drivers/net/tg3.c

   1 /*
   2  * tg3.c: Broadcom Tigon3 ethernet driver.
   3  *
   4  * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
   5  * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
   6  * Copyright (C) 2004 Sun Microsystems Inc.
   7  * Copyright (C) 2005-2010 Broadcom Corporation.
   8  *
   9  * Firmware is:
  10  *      Derived from proprietary unpublished source code,
  11  *      Copyright (C) 2000-2003 Broadcom Corporation.
  12  *
  13  *      Permission is hereby granted for the distribution of this firmware
  14  *      data in hexadecimal or equivalent format, provided this copyright
  15  *      notice is accompanying it.
  16  */
  17
  18
  19 #include <linux/module.h>
  20 #include <linux/moduleparam.h>
  21 #include <linux/kernel.h>
  22 #include <linux/types.h>
  23 #include <linux/compiler.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <linux/in.h>
  27 #include <linux/init.h>
  28 #include <linux/ioport.h>
  29 #include <linux/pci.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/mii.h>
  35 #include <linux/phy.h>
  36 #include <linux/brcmphy.h>
  37 #include <linux/if_vlan.h>
  38 #include <linux/ip.h>
  39 #include <linux/tcp.h>
  40 #include <linux/workqueue.h>
  41 #include <linux/prefetch.h>
  42 #include <linux/dma-mapping.h>
  43 #include <linux/firmware.h>
  44
  45 #include <net/checksum.h>
  46 #include <net/ip.h>
  47
  48 #include <asm/system.h>
  49 #include <asm/io.h>
  50 #include <asm/byteorder.h>
  51 #include <asm/uaccess.h>
  52
  53 #ifdef CONFIG_SPARC
  54 #include <asm/idprom.h>
  55 #include <asm/prom.h>
  56 #endif
  57
  58 #define BAR_0   0
  59 #define BAR_2   2
  60
  61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  62 #define TG3_VLAN_TAG_USED 1
  63 #else
  64 #define TG3_VLAN_TAG_USED 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define DRV_MODULE_VERSION      "3.108"
  71 #define DRV_MODULE_RELDATE      "February 17, 2010"
  72
  73 #define TG3_DEF_MAC_MODE        0
  74 #define TG3_DEF_RX_MODE         0
  75 #define TG3_DEF_TX_MODE         0
  76 #define TG3_DEF_MSG_ENABLE        \
  77         (NETIF_MSG_DRV          | \
  78          NETIF_MSG_PROBE        | \
  79          NETIF_MSG_LINK         | \
  80          NETIF_MSG_TIMER        | \
  81          NETIF_MSG_IFDOWN       | \
  82          NETIF_MSG_IFUP         | \
  83          NETIF_MSG_RX_ERR       | \
  84          NETIF_MSG_TX_ERR)
  85
  86 /* length of time before we decide the hardware is borked,
  87  * and dev->tx_timeout() should be called to fix the problem
  88  */
  89 #define TG3_TX_TIMEOUT                  (5 * HZ)
  90
  91 /* hardware minimum and maximum for a single frame's data payload */
  92 #define TG3_MIN_MTU                     60
  93 #define TG3_MAX_MTU(tp) \
  94         ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
  95
  96 /* These numbers seem to be hard coded in the NIC firmware somehow.
  97  * You can't change the ring sizes, but you can change where you place
  98  * them in the NIC onboard memory.
  99  */
 100 #define TG3_RX_RING_SIZE                512
 101 #define TG3_DEF_RX_RING_PENDING         200
 102 #define TG3_RX_JUMBO_RING_SIZE          256
 103 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 104 #define TG3_RSS_INDIR_TBL_SIZE 128
 105
 106 /* Do not place this n-ring entries value into the tp struct itself,
 107  * we really want to expose these constants to GCC so that modulo et
 108  * al.  operations are done with shifts and masks instead of with
 109  * hw multiply/modulo instructions.  Another solution would be to
 110  * replace things like '% foo' with '& (foo - 1)'.
 111  */
 112 #define TG3_RX_RCB_RING_SIZE(tp)        \
 113         (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
 114           !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
 115
 116 #define TG3_TX_RING_SIZE                512
 117 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 118
 119 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 120                                  TG3_RX_RING_SIZE)
 121 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
 122                                  TG3_RX_JUMBO_RING_SIZE)
 123 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 124                                  TG3_RX_RCB_RING_SIZE(tp))
 125 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 126                                  TG3_TX_RING_SIZE)
 127 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 128
 129 #define TG3_DMA_BYTE_ENAB               64
 130
 131 #define TG3_RX_STD_DMA_SZ               1536
 132 #define TG3_RX_JMB_DMA_SZ               9046
 133
 134 #define TG3_RX_DMA_TO_MAP_SZ(x)         ((x) + TG3_DMA_BYTE_ENAB)
 135
 136 #define TG3_RX_STD_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
 137 #define TG3_RX_JMB_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
 138
 139 #define TG3_RX_STD_BUFF_RING_SIZE \
 140         (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
 141
 142 #define TG3_RX_JMB_BUFF_RING_SIZE \
 143         (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
 144
 145 /* minimum number of free TX descriptors required to wake up TX process */
 146 #define TG3_TX_WAKEUP_THRESH(tnapi)             ((tnapi)->tx_pending / 4)
 147
 148 #define TG3_RAW_IP_ALIGN 2
 149
 150 /* number of ETHTOOL_GSTATS u64's */
 151 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 152
 153 #define TG3_NUM_TEST            6
 154
 155 #define FIRMWARE_TG3            "tigon/tg3.bin"
 156 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 157 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 158
 159 static char version[] __devinitdata =
 160         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")";
 161
 162 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 163 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 164 MODULE_LICENSE("GPL");
 165 MODULE_VERSION(DRV_MODULE_VERSION);
 166 MODULE_FIRMWARE(FIRMWARE_TG3);
 167 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 168 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 169
 170 #define TG3_RSS_MIN_NUM_MSIX_VECS       2
 171
 172 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 173 module_param(tg3_debug, int, 0);
 174 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 175
 176 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 234         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 235         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 236         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 237         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
 238         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
 239         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 240         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 241         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 242         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
 243         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
 244         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
 245         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
 246         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
 247         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
 248         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
 249         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
 250         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
 251         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
 252         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 253         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 254         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 255         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 256         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 257         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 258         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 259         {}
 260 };
 261
 262 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 263
 264 static const struct {
 265         const char string[ETH_GSTRING_LEN];
 266 } ethtool_stats_keys[TG3_NUM_STATS] = {
 267         { "rx_octets" },
 268         { "rx_fragments" },
 269         { "rx_ucast_packets" },
 270         { "rx_mcast_packets" },
 271         { "rx_bcast_packets" },
 272         { "rx_fcs_errors" },
 273         { "rx_align_errors" },
 274         { "rx_xon_pause_rcvd" },
 275         { "rx_xoff_pause_rcvd" },
 276         { "rx_mac_ctrl_rcvd" },
 277         { "rx_xoff_entered" },
 278         { "rx_frame_too_long_errors" },
 279         { "rx_jabbers" },
 280         { "rx_undersize_packets" },
 281         { "rx_in_length_errors" },
 282         { "rx_out_length_errors" },
 283         { "rx_64_or_less_octet_packets" },
 284         { "rx_65_to_127_octet_packets" },
 285         { "rx_128_to_255_octet_packets" },
 286         { "rx_256_to_511_octet_packets" },
 287         { "rx_512_to_1023_octet_packets" },
 288         { "rx_1024_to_1522_octet_packets" },
 289         { "rx_1523_to_2047_octet_packets" },
 290         { "rx_2048_to_4095_octet_packets" },
 291         { "rx_4096_to_8191_octet_packets" },
 292         { "rx_8192_to_9022_octet_packets" },
 293
 294         { "tx_octets" },
 295         { "tx_collisions" },
 296
 297         { "tx_xon_sent" },
 298         { "tx_xoff_sent" },
 299         { "tx_flow_control" },
 300         { "tx_mac_errors" },
 301         { "tx_single_collisions" },
 302         { "tx_mult_collisions" },
 303         { "tx_deferred" },
 304         { "tx_excessive_collisions" },
 305         { "tx_late_collisions" },
 306         { "tx_collide_2times" },
 307         { "tx_collide_3times" },
 308         { "tx_collide_4times" },
 309         { "tx_collide_5times" },
 310         { "tx_collide_6times" },
 311         { "tx_collide_7times" },
 312         { "tx_collide_8times" },
 313         { "tx_collide_9times" },
 314         { "tx_collide_10times" },
 315         { "tx_collide_11times" },
 316         { "tx_collide_12times" },
 317         { "tx_collide_13times" },
 318         { "tx_collide_14times" },
 319         { "tx_collide_15times" },
 320         { "tx_ucast_packets" },
 321         { "tx_mcast_packets" },
 322         { "tx_bcast_packets" },
 323         { "tx_carrier_sense_errors" },
 324         { "tx_discards" },
 325         { "tx_errors" },
 326
 327         { "dma_writeq_full" },
 328         { "dma_write_prioq_full" },
 329         { "rxbds_empty" },
 330         { "rx_discards" },
 331         { "rx_errors" },
 332         { "rx_threshold_hit" },
 333
 334         { "dma_readq_full" },
 335         { "dma_read_prioq_full" },
 336         { "tx_comp_queue_full" },
 337
 338         { "ring_set_send_prod_index" },
 339         { "ring_status_update" },
 340         { "nic_irqs" },
 341         { "nic_avoided_irqs" },
 342         { "nic_tx_threshold_hit" }
 343 };
 344
 345 static const struct {
 346         const char string[ETH_GSTRING_LEN];
 347 } ethtool_test_keys[TG3_NUM_TEST] = {
 348         { "nvram test     (online) " },
 349         { "link test      (online) " },
 350         { "register test  (offline)" },
 351         { "memory test    (offline)" },
 352         { "loopback test  (offline)" },
 353         { "interrupt test (offline)" },
 354 };
 355
 356 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 357 {
 358         writel(val, tp->regs + off);
 359 }
 360
 361 static u32 tg3_read32(struct tg3 *tp, u32 off)
 362 {
 363         return (readl(tp->regs + off));
 364 }
 365
 366 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 367 {
 368         writel(val, tp->aperegs + off);
 369 }
 370
 371 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 372 {
 373         return (readl(tp->aperegs + off));
 374 }
 375
 376 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 377 {
 378         unsigned long flags;
 379
 380         spin_lock_irqsave(&tp->indirect_lock, flags);
 381         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 383         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 384 }
 385
 386 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 387 {
 388         writel(val, tp->regs + off);
 389         readl(tp->regs + off);
 390 }
 391
 392 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 393 {
 394         unsigned long flags;
 395         u32 val;
 396
 397         spin_lock_irqsave(&tp->indirect_lock, flags);
 398         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 399         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 400         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 401         return val;
 402 }
 403
 404 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 405 {
 406         unsigned long flags;
 407
 408         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 409                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 410                                        TG3_64BIT_REG_LOW, val);
 411                 return;
 412         }
 413         if (off == TG3_RX_STD_PROD_IDX_REG) {
 414                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 415                                        TG3_64BIT_REG_LOW, val);
 416                 return;
 417         }
 418
 419         spin_lock_irqsave(&tp->indirect_lock, flags);
 420         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 421         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 422         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 423
 424         /* In indirect mode when disabling interrupts, we also need
 425          * to clear the interrupt bit in the GRC local ctrl register.
 426          */
 427         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 428             (val == 0x1)) {
 429                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 430                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 431         }
 432 }
 433
 434 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 435 {
 436         unsigned long flags;
 437         u32 val;
 438
 439         spin_lock_irqsave(&tp->indirect_lock, flags);
 440         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 441         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 442         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 443         return val;
 444 }
 445
 446 /* usec_wait specifies the wait time in usec when writing to certain registers
 447  * where it is unsafe to read back the register without some delay.
 448  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 449  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 450  */
 451 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 452 {
 453         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 454             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 455                 /* Non-posted methods */
 456                 tp->write32(tp, off, val);
 457         else {
 458                 /* Posted method */
 459                 tg3_write32(tp, off, val);
 460                 if (usec_wait)
 461                         udelay(usec_wait);
 462                 tp->read32(tp, off);
 463         }
 464         /* Wait again after the read for the posted method to guarantee that
 465          * the wait time is met.
 466          */
 467         if (usec_wait)
 468                 udelay(usec_wait);
 469 }
 470
 471 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 472 {
 473         tp->write32_mbox(tp, off, val);
 474         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 475             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 476                 tp->read32_mbox(tp, off);
 477 }
 478
 479 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 480 {
 481         void __iomem *mbox = tp->regs + off;
 482         writel(val, mbox);
 483         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 484                 writel(val, mbox);
 485         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 486                 readl(mbox);
 487 }
 488
 489 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 490 {
 491         return (readl(tp->regs + off + GRCMBOX_BASE));
 492 }
 493
 494 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 495 {
 496         writel(val, tp->regs + off + GRCMBOX_BASE);
 497 }
 498
 499 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 500 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 501 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 502 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 503 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 504
 505 #define tw32(reg,val)           tp->write32(tp, reg, val)
 506 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 507 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 508 #define tr32(reg)               tp->read32(tp, reg)
 509
 510 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 511 {
 512         unsigned long flags;
 513
 514         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 515             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 516                 return;
 517
 518         spin_lock_irqsave(&tp->indirect_lock, flags);
 519         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 520                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 521                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 522
 523                 /* Always leave this as zero. */
 524                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 525         } else {
 526                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 527                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 528
 529                 /* Always leave this as zero. */
 530                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 531         }
 532         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 533 }
 534
 535 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 536 {
 537         unsigned long flags;
 538
 539         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 540             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 541                 *val = 0;
 542                 return;
 543         }
 544
 545         spin_lock_irqsave(&tp->indirect_lock, flags);
 546         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 547                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 548                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 549
 550                 /* Always leave this as zero. */
 551                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 552         } else {
 553                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 554                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 555
 556                 /* Always leave this as zero. */
 557                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 558         }
 559         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 560 }
 561
 562 static void tg3_ape_lock_init(struct tg3 *tp)
 563 {
 564         int i;
 565
 566         /* Make sure the driver hasn't any stale locks. */
 567         for (i = 0; i < 8; i++)
 568                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 569                                 APE_LOCK_GRANT_DRIVER);
 570 }
 571
 572 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 573 {
 574         int i, off;
 575         int ret = 0;
 576         u32 status;
 577
 578         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 579                 return 0;
 580
 581         switch (locknum) {
 582                 case TG3_APE_LOCK_GRC:
 583                 case TG3_APE_LOCK_MEM:
 584                         break;
 585                 default:
 586                         return -EINVAL;
 587         }
 588
 589         off = 4 * locknum;
 590
 591         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 592
 593         /* Wait for up to 1 millisecond to acquire lock. */
 594         for (i = 0; i < 100; i++) {
 595                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 596                 if (status == APE_LOCK_GRANT_DRIVER)
 597                         break;
 598                 udelay(10);
 599         }
 600
 601         if (status != APE_LOCK_GRANT_DRIVER) {
 602                 /* Revoke the lock request. */
 603                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 604                                 APE_LOCK_GRANT_DRIVER);
 605
 606                 ret = -EBUSY;
 607         }
 608
 609         return ret;
 610 }
 611
 612 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 613 {
 614         int off;
 615
 616         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 617                 return;
 618
 619         switch (locknum) {
 620                 case TG3_APE_LOCK_GRC:
 621                 case TG3_APE_LOCK_MEM:
 622                         break;
 623                 default:
 624                         return;
 625         }
 626
 627         off = 4 * locknum;
 628         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 629 }
 630
 631 static void tg3_disable_ints(struct tg3 *tp)
 632 {
 633         int i;
 634
 635         tw32(TG3PCI_MISC_HOST_CTRL,
 636              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 637         for (i = 0; i < tp->irq_max; i++)
 638                 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
 639 }
 640
 641 static void tg3_enable_ints(struct tg3 *tp)
 642 {
 643         int i;
 644
 645         tp->irq_sync = 0;
 646         wmb();
 647
 648         tw32(TG3PCI_MISC_HOST_CTRL,
 649              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 650
 651         tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
 652         for (i = 0; i < tp->irq_cnt; i++) {
 653                 struct tg3_napi *tnapi = &tp->napi[i];
 654                 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 655                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 656                         tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 657
 658                 tp->coal_now |= tnapi->coal_now;
 659         }
 660
 661         /* Force an initial interrupt */
 662         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 663             (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
 664                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 665         else
 666                 tw32(HOSTCC_MODE, tp->coal_now);
 667
 668         tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
 669 }
 670
 671 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
 672 {
 673         struct tg3 *tp = tnapi->tp;
 674         struct tg3_hw_status *sblk = tnapi->hw_status;
 675         unsigned int work_exists = 0;
 676
 677         /* check for phy events */
 678         if (!(tp->tg3_flags &
 679               (TG3_FLAG_USE_LINKCHG_REG |
 680                TG3_FLAG_POLL_SERDES))) {
 681                 if (sblk->status & SD_STATUS_LINK_CHG)
 682                         work_exists = 1;
 683         }
 684         /* check for RX/TX work to do */
 685         if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
 686             *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
 687                 work_exists = 1;
 688
 689         return work_exists;
 690 }
 691
 692 /* tg3_int_reenable
 693  *  similar to tg3_enable_ints, but it accurately determines whether there
 694  *  is new work pending and can return without flushing the PIO write
 695  *  which reenables interrupts
 696  */
 697 static void tg3_int_reenable(struct tg3_napi *tnapi)
 698 {
 699         struct tg3 *tp = tnapi->tp;
 700
 701         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
 702         mmiowb();
 703
 704         /* When doing tagged status, this work check is unnecessary.
 705          * The last_tag we write above tells the chip which piece of
 706          * work we've completed.
 707          */
 708         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 709             tg3_has_work(tnapi))
 710                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 711                      HOSTCC_MODE_ENABLE | tnapi->coal_now);
 712 }
 713
 714 static void tg3_napi_disable(struct tg3 *tp)
 715 {
 716         int i;
 717
 718         for (i = tp->irq_cnt - 1; i >= 0; i--)
 719                 napi_disable(&tp->napi[i].napi);
 720 }
 721
 722 static void tg3_napi_enable(struct tg3 *tp)
 723 {
 724         int i;
 725
 726         for (i = 0; i < tp->irq_cnt; i++)
 727                 napi_enable(&tp->napi[i].napi);
 728 }
 729
 730 static inline void tg3_netif_stop(struct tg3 *tp)
 731 {
 732         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 733         tg3_napi_disable(tp);
 734         netif_tx_disable(tp->dev);
 735 }
 736
 737 static inline void tg3_netif_start(struct tg3 *tp)
 738 {
 739         /* NOTE: unconditional netif_tx_wake_all_queues is only
 740          * appropriate so long as all callers are assured to
 741          * have free tx slots (such as after tg3_init_hw)
 742          */
 743         netif_tx_wake_all_queues(tp->dev);
 744
 745         tg3_napi_enable(tp);
 746         tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
 747         tg3_enable_ints(tp);
 748 }
 749
 750 static void tg3_switch_clocks(struct tg3 *tp)
 751 {
 752         u32 clock_ctrl;
 753         u32 orig_clock_ctrl;
 754
 755         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 756             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 757                 return;
 758
 759         clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 760
 761         orig_clock_ctrl = clock_ctrl;
 762         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 763                        CLOCK_CTRL_CLKRUN_OENABLE |
 764                        0x1f);
 765         tp->pci_clock_ctrl = clock_ctrl;
 766
 767         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 768                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 769                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 770                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 771                 }
 772         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 773                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 774                             clock_ctrl |
 775                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 776                             40);
 777                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 778                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 779                             40);
 780         }
 781         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 782 }
 783
 784 #define PHY_BUSY_LOOPS  5000
 785
 786 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 787 {
 788         u32 frame_val;
 789         unsigned int loops;
 790         int ret;
 791
 792         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 793                 tw32_f(MAC_MI_MODE,
 794                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 795                 udelay(80);
 796         }
 797
 798         *val = 0x0;
 799
 800         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 801                       MI_COM_PHY_ADDR_MASK);
 802         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 803                       MI_COM_REG_ADDR_MASK);
 804         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 805
 806         tw32_f(MAC_MI_COM, frame_val);
 807
 808         loops = PHY_BUSY_LOOPS;
 809         while (loops != 0) {
 810                 udelay(10);
 811                 frame_val = tr32(MAC_MI_COM);
 812
 813                 if ((frame_val & MI_COM_BUSY) == 0) {
 814                         udelay(5);
 815                         frame_val = tr32(MAC_MI_COM);
 816                         break;
 817                 }
 818                 loops -= 1;
 819         }
 820
 821         ret = -EBUSY;
 822         if (loops != 0) {
 823                 *val = frame_val & MI_COM_DATA_MASK;
 824                 ret = 0;
 825         }
 826
 827         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 828                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 829                 udelay(80);
 830         }
 831
 832         return ret;
 833 }
 834
 835 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 836 {
 837         u32 frame_val;
 838         unsigned int loops;
 839         int ret;
 840
 841         if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
 842             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 843                 return 0;
 844
 845         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 846                 tw32_f(MAC_MI_MODE,
 847                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 848                 udelay(80);
 849         }
 850
 851         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 852                       MI_COM_PHY_ADDR_MASK);
 853         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 854                       MI_COM_REG_ADDR_MASK);
 855         frame_val |= (val & MI_COM_DATA_MASK);
 856         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 857
 858         tw32_f(MAC_MI_COM, frame_val);
 859
 860         loops = PHY_BUSY_LOOPS;
 861         while (loops != 0) {
 862                 udelay(10);
 863                 frame_val = tr32(MAC_MI_COM);
 864                 if ((frame_val & MI_COM_BUSY) == 0) {
 865                         udelay(5);
 866                         frame_val = tr32(MAC_MI_COM);
 867                         break;
 868                 }
 869                 loops -= 1;
 870         }
 871
 872         ret = -EBUSY;
 873         if (loops != 0)
 874                 ret = 0;
 875
 876         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 877                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 878                 udelay(80);
 879         }
 880
 881         return ret;
 882 }
 883
 884 static int tg3_bmcr_reset(struct tg3 *tp)
 885 {
 886         u32 phy_control;
 887         int limit, err;
 888
 889         /* OK, reset it, and poll the BMCR_RESET bit until it
 890          * clears or we time out.
 891          */
 892         phy_control = BMCR_RESET;
 893         err = tg3_writephy(tp, MII_BMCR, phy_control);
 894         if (err != 0)
 895                 return -EBUSY;
 896
 897         limit = 5000;
 898         while (limit--) {
 899                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 900                 if (err != 0)
 901                         return -EBUSY;
 902
 903                 if ((phy_control & BMCR_RESET) == 0) {
 904                         udelay(40);
 905                         break;
 906                 }
 907                 udelay(10);
 908         }
 909         if (limit < 0)
 910                 return -EBUSY;
 911
 912         return 0;
 913 }
 914
 915 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 916 {
 917         struct tg3 *tp = bp->priv;
 918         u32 val;
 919
 920         spin_lock_bh(&tp->lock);
 921
 922         if (tg3_readphy(tp, reg, &val))
 923                 val = -EIO;
 924
 925         spin_unlock_bh(&tp->lock);
 926
 927         return val;
 928 }
 929
 930 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 931 {
 932         struct tg3 *tp = bp->priv;
 933         u32 ret = 0;
 934
 935         spin_lock_bh(&tp->lock);
 936
 937         if (tg3_writephy(tp, reg, val))
 938                 ret = -EIO;
 939
 940         spin_unlock_bh(&tp->lock);
 941
 942         return ret;
 943 }
 944
 945 static int tg3_mdio_reset(struct mii_bus *bp)
 946 {
 947         return 0;
 948 }
 949
 950 static void tg3_mdio_config_5785(struct tg3 *tp)
 951 {
 952         u32 val;
 953         struct phy_device *phydev;
 954
 955         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 956         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 957         case PHY_ID_BCM50610:
 958         case PHY_ID_BCM50610M:
 959                 val = MAC_PHYCFG2_50610_LED_MODES;
 960                 break;
 961         case PHY_ID_BCMAC131:
 962                 val = MAC_PHYCFG2_AC131_LED_MODES;
 963                 break;
 964         case PHY_ID_RTL8211C:
 965                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 966                 break;
 967         case PHY_ID_RTL8201E:
 968                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 969                 break;
 970         default:
 971                 return;
 972         }
 973
 974         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 975                 tw32(MAC_PHYCFG2, val);
 976
 977                 val = tr32(MAC_PHYCFG1);
 978                 val &= ~(MAC_PHYCFG1_RGMII_INT |
 979                          MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
 980                 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
 981                 tw32(MAC_PHYCFG1, val);
 982
 983                 return;
 984         }
 985
 986         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE))
 987                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 988                        MAC_PHYCFG2_FMODE_MASK_MASK |
 989                        MAC_PHYCFG2_GMODE_MASK_MASK |
 990                        MAC_PHYCFG2_ACT_MASK_MASK   |
 991                        MAC_PHYCFG2_QUAL_MASK_MASK |
 992                        MAC_PHYCFG2_INBAND_ENABLE;
 993
 994         tw32(MAC_PHYCFG2, val);
 995
 996         val = tr32(MAC_PHYCFG1);
 997         val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
 998                  MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
 999         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1000                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1001                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
1002                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1003                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1004         }
1005         val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1006                MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1007         tw32(MAC_PHYCFG1, val);
1008
1009         val = tr32(MAC_EXT_RGMII_MODE);
1010         val &= ~(MAC_RGMII_MODE_RX_INT_B |
1011                  MAC_RGMII_MODE_RX_QUALITY |
1012                  MAC_RGMII_MODE_RX_ACTIVITY |
1013                  MAC_RGMII_MODE_RX_ENG_DET |
1014                  MAC_RGMII_MODE_TX_ENABLE |
1015                  MAC_RGMII_MODE_TX_LOWPWR |
1016                  MAC_RGMII_MODE_TX_RESET);
1017         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1018                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1019                         val |= MAC_RGMII_MODE_RX_INT_B |
1020                                MAC_RGMII_MODE_RX_QUALITY |
1021                                MAC_RGMII_MODE_RX_ACTIVITY |
1022                                MAC_RGMII_MODE_RX_ENG_DET;
1023                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1024                         val |= MAC_RGMII_MODE_TX_ENABLE |
1025                                MAC_RGMII_MODE_TX_LOWPWR |
1026                                MAC_RGMII_MODE_TX_RESET;
1027         }
1028         tw32(MAC_EXT_RGMII_MODE, val);
1029 }
1030
1031 static void tg3_mdio_start(struct tg3 *tp)
1032 {
1033         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1034         tw32_f(MAC_MI_MODE, tp->mi_mode);
1035         udelay(80);
1036
1037         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1038             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1039                 tg3_mdio_config_5785(tp);
1040 }
1041
1042 static int tg3_mdio_init(struct tg3 *tp)
1043 {
1044         int i;
1045         u32 reg;
1046         struct phy_device *phydev;
1047
1048         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1049                 u32 funcnum, is_serdes;
1050
1051                 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1052                 if (funcnum)
1053                         tp->phy_addr = 2;
1054                 else
1055                         tp->phy_addr = 1;
1056
1057                 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1058                         is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1059                 else
1060                         is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1061                                     TG3_CPMU_PHY_STRAP_IS_SERDES;
1062                 if (is_serdes)
1063                         tp->phy_addr += 7;
1064         } else
1065                 tp->phy_addr = TG3_PHY_MII_ADDR;
1066
1067         tg3_mdio_start(tp);
1068
1069         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1070             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1071                 return 0;
1072
1073         tp->mdio_bus = mdiobus_alloc();
1074         if (tp->mdio_bus == NULL)
1075                 return -ENOMEM;
1076
1077         tp->mdio_bus->name     = "tg3 mdio bus";
1078         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1079                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1080         tp->mdio_bus->priv     = tp;
1081         tp->mdio_bus->parent   = &tp->pdev->dev;
1082         tp->mdio_bus->read     = &tg3_mdio_read;
1083         tp->mdio_bus->write    = &tg3_mdio_write;
1084         tp->mdio_bus->reset    = &tg3_mdio_reset;
1085         tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1086         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1087
1088         for (i = 0; i < PHY_MAX_ADDR; i++)
1089                 tp->mdio_bus->irq[i] = PHY_POLL;
1090
1091         /* The bus registration will look for all the PHYs on the mdio bus.
1092          * Unfortunately, it does not ensure the PHY is powered up before
1093          * accessing the PHY ID registers.  A chip reset is the
1094          * quickest way to bring the device back to an operational state..
1095          */
1096         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1097                 tg3_bmcr_reset(tp);
1098
1099         i = mdiobus_register(tp->mdio_bus);
1100         if (i) {
1101                 netdev_warn(tp->dev, "mdiobus_reg failed (0x%x)\n", i);
1102                 mdiobus_free(tp->mdio_bus);
1103                 return i;
1104         }
1105
1106         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1107
1108         if (!phydev || !phydev->drv) {
1109                 netdev_warn(tp->dev, "No PHY devices\n");
1110                 mdiobus_unregister(tp->mdio_bus);
1111                 mdiobus_free(tp->mdio_bus);
1112                 return -ENODEV;
1113         }
1114
1115         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1116         case PHY_ID_BCM57780:
1117                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1118                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1119                 break;
1120         case PHY_ID_BCM50610:
1121         case PHY_ID_BCM50610M:
1122                 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1123                                      PHY_BRCM_RX_REFCLK_UNUSED |
1124                                      PHY_BRCM_DIS_TXCRXC_NOENRGY |
1125                                      PHY_BRCM_AUTO_PWRDWN_ENABLE;
1126                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)
1127                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1128                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1129                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1130                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1131                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1132                 /* fallthru */
1133         case PHY_ID_RTL8211C:
1134                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1135                 break;
1136         case PHY_ID_RTL8201E:
1137         case PHY_ID_BCMAC131:
1138                 phydev->interface = PHY_INTERFACE_MODE_MII;
1139                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1140                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
1141                 break;
1142         }
1143
1144         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1145
1146         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1147                 tg3_mdio_config_5785(tp);
1148
1149         return 0;
1150 }
1151
1152 static void tg3_mdio_fini(struct tg3 *tp)
1153 {
1154         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1155                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1156                 mdiobus_unregister(tp->mdio_bus);
1157                 mdiobus_free(tp->mdio_bus);
1158         }
1159 }
1160
1161 /* tp->lock is held. */
1162 static inline void tg3_generate_fw_event(struct tg3 *tp)
1163 {
1164         u32 val;
1165
1166         val = tr32(GRC_RX_CPU_EVENT);
1167         val |= GRC_RX_CPU_DRIVER_EVENT;
1168         tw32_f(GRC_RX_CPU_EVENT, val);
1169
1170         tp->last_event_jiffies = jiffies;
1171 }
1172
1173 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1174
1175 /* tp->lock is held. */
1176 static void tg3_wait_for_event_ack(struct tg3 *tp)
1177 {
1178         int i;
1179         unsigned int delay_cnt;
1180         long time_remain;
1181
1182         /* If enough time has passed, no wait is necessary. */
1183         time_remain = (long)(tp->last_event_jiffies + 1 +
1184                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1185                       (long)jiffies;
1186         if (time_remain < 0)
1187                 return;
1188
1189         /* Check if we can shorten the wait time. */
1190         delay_cnt = jiffies_to_usecs(time_remain);
1191         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1192                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1193         delay_cnt = (delay_cnt >> 3) + 1;
1194
1195         for (i = 0; i < delay_cnt; i++) {
1196                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1197                         break;
1198                 udelay(8);
1199         }
1200 }
1201
1202 /* tp->lock is held. */
1203 static void tg3_ump_link_report(struct tg3 *tp)
1204 {
1205         u32 reg;
1206         u32 val;
1207
1208         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1209             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1210                 return;
1211
1212         tg3_wait_for_event_ack(tp);
1213
1214         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1215
1216         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1217
1218         val = 0;
1219         if (!tg3_readphy(tp, MII_BMCR, &reg))
1220                 val = reg << 16;
1221         if (!tg3_readphy(tp, MII_BMSR, &reg))
1222                 val |= (reg & 0xffff);
1223         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1224
1225         val = 0;
1226         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1227                 val = reg << 16;
1228         if (!tg3_readphy(tp, MII_LPA, &reg))
1229                 val |= (reg & 0xffff);
1230         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1231
1232         val = 0;
1233         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1234                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1235                         val = reg << 16;
1236                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1237                         val |= (reg & 0xffff);
1238         }
1239         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1240
1241         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1242                 val = reg << 16;
1243         else
1244                 val = 0;
1245         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1246
1247         tg3_generate_fw_event(tp);
1248 }
1249
1250 static void tg3_link_report(struct tg3 *tp)
1251 {
1252         if (!netif_carrier_ok(tp->dev)) {
1253                 netif_info(tp, link, tp->dev, "Link is down\n");
1254                 tg3_ump_link_report(tp);
1255         } else if (netif_msg_link(tp)) {
1256                 netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
1257                             (tp->link_config.active_speed == SPEED_1000 ?
1258                              1000 :
1259                              (tp->link_config.active_speed == SPEED_100 ?
1260                               100 : 10)),
1261                             (tp->link_config.active_duplex == DUPLEX_FULL ?
1262                              "full" : "half"));
1263
1264                 netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
1265                             (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1266                             "on" : "off",
1267                             (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1268                             "on" : "off");
1269                 tg3_ump_link_report(tp);
1270         }
1271 }
1272
1273 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1274 {
1275         u16 miireg;
1276
1277         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1278                 miireg = ADVERTISE_PAUSE_CAP;
1279         else if (flow_ctrl & FLOW_CTRL_TX)
1280                 miireg = ADVERTISE_PAUSE_ASYM;
1281         else if (flow_ctrl & FLOW_CTRL_RX)
1282                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1283         else
1284                 miireg = 0;
1285
1286         return miireg;
1287 }
1288
1289 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1290 {
1291         u16 miireg;
1292
1293         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1294                 miireg = ADVERTISE_1000XPAUSE;
1295         else if (flow_ctrl & FLOW_CTRL_TX)
1296                 miireg = ADVERTISE_1000XPSE_ASYM;
1297         else if (flow_ctrl & FLOW_CTRL_RX)
1298                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1299         else
1300                 miireg = 0;
1301
1302         return miireg;
1303 }
1304
1305 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1306 {
1307         u8 cap = 0;
1308
1309         if (lcladv & ADVERTISE_1000XPAUSE) {
1310                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1311                         if (rmtadv & LPA_1000XPAUSE)
1312                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1313                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1314                                 cap = FLOW_CTRL_RX;
1315                 } else {
1316                         if (rmtadv & LPA_1000XPAUSE)
1317                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1318                 }
1319         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1320                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1321                         cap = FLOW_CTRL_TX;
1322         }
1323
1324         return cap;
1325 }
1326
1327 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1328 {
1329         u8 autoneg;
1330         u8 flowctrl = 0;
1331         u32 old_rx_mode = tp->rx_mode;
1332         u32 old_tx_mode = tp->tx_mode;
1333
1334         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1335                 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1336         else
1337                 autoneg = tp->link_config.autoneg;
1338
1339         if (autoneg == AUTONEG_ENABLE &&
1340             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1341                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1342                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1343                 else
1344                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1345         } else
1346                 flowctrl = tp->link_config.flowctrl;
1347
1348         tp->link_config.active_flowctrl = flowctrl;
1349
1350         if (flowctrl & FLOW_CTRL_RX)
1351                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1352         else
1353                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1354
1355         if (old_rx_mode != tp->rx_mode)
1356                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1357
1358         if (flowctrl & FLOW_CTRL_TX)
1359                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1360         else
1361                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1362
1363         if (old_tx_mode != tp->tx_mode)
1364                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1365 }
1366
1367 static void tg3_adjust_link(struct net_device *dev)
1368 {
1369         u8 oldflowctrl, linkmesg = 0;
1370         u32 mac_mode, lcl_adv, rmt_adv;
1371         struct tg3 *tp = netdev_priv(dev);
1372         struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1373
1374         spin_lock_bh(&tp->lock);
1375
1376         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1377                                     MAC_MODE_HALF_DUPLEX);
1378
1379         oldflowctrl = tp->link_config.active_flowctrl;
1380
1381         if (phydev->link) {
1382                 lcl_adv = 0;
1383                 rmt_adv = 0;
1384
1385                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1386                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1387                 else if (phydev->speed == SPEED_1000 ||
1388                          GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1389                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1390                 else
1391                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1392
1393                 if (phydev->duplex == DUPLEX_HALF)
1394                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1395                 else {
1396                         lcl_adv = tg3_advert_flowctrl_1000T(
1397                                   tp->link_config.flowctrl);
1398
1399                         if (phydev->pause)
1400                                 rmt_adv = LPA_PAUSE_CAP;
1401                         if (phydev->asym_pause)
1402                                 rmt_adv |= LPA_PAUSE_ASYM;
1403                 }
1404
1405                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1406         } else
1407                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1408
1409         if (mac_mode != tp->mac_mode) {
1410                 tp->mac_mode = mac_mode;
1411                 tw32_f(MAC_MODE, tp->mac_mode);
1412                 udelay(40);
1413         }
1414
1415         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1416                 if (phydev->speed == SPEED_10)
1417                         tw32(MAC_MI_STAT,
1418                              MAC_MI_STAT_10MBPS_MODE |
1419                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1420                 else
1421                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1422         }
1423
1424         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1425                 tw32(MAC_TX_LENGTHS,
1426                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1427                       (6 << TX_LENGTHS_IPG_SHIFT) |
1428                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1429         else
1430                 tw32(MAC_TX_LENGTHS,
1431                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1432                       (6 << TX_LENGTHS_IPG_SHIFT) |
1433                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1434
1435         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1436             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1437             phydev->speed != tp->link_config.active_speed ||
1438             phydev->duplex != tp->link_config.active_duplex ||
1439             oldflowctrl != tp->link_config.active_flowctrl)
1440             linkmesg = 1;
1441
1442         tp->link_config.active_speed = phydev->speed;
1443         tp->link_config.active_duplex = phydev->duplex;
1444
1445         spin_unlock_bh(&tp->lock);
1446
1447         if (linkmesg)
1448                 tg3_link_report(tp);
1449 }
1450
1451 static int tg3_phy_init(struct tg3 *tp)
1452 {
1453         struct phy_device *phydev;
1454
1455         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1456                 return 0;
1457
1458         /* Bring the PHY back to a known state. */
1459         tg3_bmcr_reset(tp);
1460
1461         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1462
1463         /* Attach the MAC to the PHY. */
1464         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1465                              phydev->dev_flags, phydev->interface);
1466         if (IS_ERR(phydev)) {
1467                 netdev_err(tp->dev, "Could not attach to PHY\n");
1468                 return PTR_ERR(phydev);
1469         }
1470
1471         /* Mask with MAC supported features. */
1472         switch (phydev->interface) {
1473         case PHY_INTERFACE_MODE_GMII:
1474         case PHY_INTERFACE_MODE_RGMII:
1475                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1476                         phydev->supported &= (PHY_GBIT_FEATURES |
1477                                               SUPPORTED_Pause |
1478                                               SUPPORTED_Asym_Pause);
1479                         break;
1480                 }
1481                 /* fallthru */
1482         case PHY_INTERFACE_MODE_MII:
1483                 phydev->supported &= (PHY_BASIC_FEATURES |
1484                                       SUPPORTED_Pause |
1485                                       SUPPORTED_Asym_Pause);
1486                 break;
1487         default:
1488                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1489                 return -EINVAL;
1490         }
1491
1492         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1493
1494         phydev->advertising = phydev->supported;
1495
1496         return 0;
1497 }
1498
1499 static void tg3_phy_start(struct tg3 *tp)
1500 {
1501         struct phy_device *phydev;
1502
1503         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1504                 return;
1505
1506         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1507
1508         if (tp->link_config.phy_is_low_power) {
1509                 tp->link_config.phy_is_low_power = 0;
1510                 phydev->speed = tp->link_config.orig_speed;
1511                 phydev->duplex = tp->link_config.orig_duplex;
1512                 phydev->autoneg = tp->link_config.orig_autoneg;
1513                 phydev->advertising = tp->link_config.orig_advertising;
1514         }
1515
1516         phy_start(phydev);
1517
1518         phy_start_aneg(phydev);
1519 }
1520
1521 static void tg3_phy_stop(struct tg3 *tp)
1522 {
1523         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1524                 return;
1525
1526         phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1527 }
1528
1529 static void tg3_phy_fini(struct tg3 *tp)
1530 {
1531         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1532                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1533                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1534         }
1535 }
1536
1537 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1538 {
1539         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1540         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1541 }
1542
1543 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1544 {
1545         u32 phytest;
1546
1547         if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1548                 u32 phy;
1549
1550                 tg3_writephy(tp, MII_TG3_FET_TEST,
1551                              phytest | MII_TG3_FET_SHADOW_EN);
1552                 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1553                         if (enable)
1554                                 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1555                         else
1556                                 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1557                         tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1558                 }
1559                 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1560         }
1561 }
1562
1563 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1564 {
1565         u32 reg;
1566
1567         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1568                 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1569              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1570                 return;
1571
1572         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1573                 tg3_phy_fet_toggle_apd(tp, enable);
1574                 return;
1575         }
1576
1577         reg = MII_TG3_MISC_SHDW_WREN |
1578               MII_TG3_MISC_SHDW_SCR5_SEL |
1579               MII_TG3_MISC_SHDW_SCR5_LPED |
1580               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1581               MII_TG3_MISC_SHDW_SCR5_SDTL |
1582               MII_TG3_MISC_SHDW_SCR5_C125OE;
1583         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1584                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1585
1586         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1587
1588
1589         reg = MII_TG3_MISC_SHDW_WREN |
1590               MII_TG3_MISC_SHDW_APD_SEL |
1591               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1592         if (enable)
1593                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1594
1595         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1596 }
1597
1598 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1599 {
1600         u32 phy;
1601
1602         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1603             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1604                 return;
1605
1606         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1607                 u32 ephy;
1608
1609                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1610                         u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1611
1612                         tg3_writephy(tp, MII_TG3_FET_TEST,
1613                                      ephy | MII_TG3_FET_SHADOW_EN);
1614                         if (!tg3_readphy(tp, reg, &phy)) {
1615                                 if (enable)
1616                                         phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1617                                 else
1618                                         phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1619                                 tg3_writephy(tp, reg, phy);
1620                         }
1621                         tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1622                 }
1623         } else {
1624                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1625                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1626                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1627                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1628                         if (enable)
1629                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1630                         else
1631                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1632                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1633                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1634                 }
1635         }
1636 }
1637
1638 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1639 {
1640         u32 val;
1641
1642         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1643                 return;
1644
1645         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1646             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1647                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1648                              (val | (1 << 15) | (1 << 4)));
1649 }
1650
1651 static void tg3_phy_apply_otp(struct tg3 *tp)
1652 {
1653         u32 otp, phy;
1654
1655         if (!tp->phy_otp)
1656                 return;
1657
1658         otp = tp->phy_otp;
1659
1660         /* Enable SM_DSP clock and tx 6dB coding. */
1661         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1662               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1663               MII_TG3_AUXCTL_ACTL_TX_6DB;
1664         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1665
1666         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1667         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1668         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1669
1670         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1671               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1672         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1673
1674         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1675         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1676         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1677
1678         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1679         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1680
1681         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1682         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1683
1684         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1685               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1686         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1687
1688         /* Turn off SM_DSP clock. */
1689         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1690               MII_TG3_AUXCTL_ACTL_TX_6DB;
1691         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1692 }
1693
1694 static int tg3_wait_macro_done(struct tg3 *tp)
1695 {
1696         int limit = 100;
1697
1698         while (limit--) {
1699                 u32 tmp32;
1700
1701                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1702                         if ((tmp32 & 0x1000) == 0)
1703                                 break;
1704                 }
1705         }
1706         if (limit < 0)
1707                 return -EBUSY;
1708
1709         return 0;
1710 }
1711
1712 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1713 {
1714         static const u32 test_pat[4][6] = {
1715         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1716         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1717         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1718         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1719         };
1720         int chan;
1721
1722         for (chan = 0; chan < 4; chan++) {
1723                 int i;
1724
1725                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1726                              (chan * 0x2000) | 0x0200);
1727                 tg3_writephy(tp, 0x16, 0x0002);
1728
1729                 for (i = 0; i < 6; i++)
1730                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1731                                      test_pat[chan][i]);
1732
1733                 tg3_writephy(tp, 0x16, 0x0202);
1734                 if (tg3_wait_macro_done(tp)) {
1735                         *resetp = 1;
1736                         return -EBUSY;
1737                 }
1738
1739                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1740                              (chan * 0x2000) | 0x0200);
1741                 tg3_writephy(tp, 0x16, 0x0082);
1742                 if (tg3_wait_macro_done(tp)) {
1743                         *resetp = 1;
1744                         return -EBUSY;
1745                 }
1746
1747                 tg3_writephy(tp, 0x16, 0x0802);
1748                 if (tg3_wait_macro_done(tp)) {
1749                         *resetp = 1;
1750                         return -EBUSY;
1751                 }
1752
1753                 for (i = 0; i < 6; i += 2) {
1754                         u32 low, high;
1755
1756                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1757                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1758                             tg3_wait_macro_done(tp)) {
1759                                 *resetp = 1;
1760                                 return -EBUSY;
1761                         }
1762                         low &= 0x7fff;
1763                         high &= 0x000f;
1764                         if (low != test_pat[chan][i] ||
1765                             high != test_pat[chan][i+1]) {
1766                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1767                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1768                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1769
1770                                 return -EBUSY;
1771                         }
1772                 }
1773         }
1774
1775         return 0;
1776 }
1777
1778 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1779 {
1780         int chan;
1781
1782         for (chan = 0; chan < 4; chan++) {
1783                 int i;
1784
1785                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1786                              (chan * 0x2000) | 0x0200);
1787                 tg3_writephy(tp, 0x16, 0x0002);
1788                 for (i = 0; i < 6; i++)
1789                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1790                 tg3_writephy(tp, 0x16, 0x0202);
1791                 if (tg3_wait_macro_done(tp))
1792                         return -EBUSY;
1793         }
1794
1795         return 0;
1796 }
1797
1798 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1799 {
1800         u32 reg32, phy9_orig;
1801         int retries, do_phy_reset, err;
1802
1803         retries = 10;
1804         do_phy_reset = 1;
1805         do {
1806                 if (do_phy_reset) {
1807                         err = tg3_bmcr_reset(tp);
1808                         if (err)
1809                                 return err;
1810                         do_phy_reset = 0;
1811                 }
1812
1813                 /* Disable transmitter and interrupt.  */
1814                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1815                         continue;
1816
1817                 reg32 |= 0x3000;
1818                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1819
1820                 /* Set full-duplex, 1000 mbps.  */
1821                 tg3_writephy(tp, MII_BMCR,
1822                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1823
1824                 /* Set to master mode.  */
1825                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1826                         continue;
1827
1828                 tg3_writephy(tp, MII_TG3_CTRL,
1829                              (MII_TG3_CTRL_AS_MASTER |
1830                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1831
1832                 /* Enable SM_DSP_CLOCK and 6dB.  */
1833                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1834
1835                 /* Block the PHY control access.  */
1836                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1837                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1838
1839                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1840                 if (!err)
1841                         break;
1842         } while (--retries);
1843
1844         err = tg3_phy_reset_chanpat(tp);
1845         if (err)
1846                 return err;
1847
1848         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1849         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1850
1851         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1852         tg3_writephy(tp, 0x16, 0x0000);
1853
1854         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1855             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1856                 /* Set Extended packet length bit for jumbo frames */
1857                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1858         }
1859         else {
1860                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1861         }
1862
1863         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1864
1865         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1866                 reg32 &= ~0x3000;
1867                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1868         } else if (!err)
1869                 err = -EBUSY;
1870
1871         return err;
1872 }
1873
1874 /* This will reset the tigon3 PHY if there is no valid
1875  * link unless the FORCE argument is non-zero.
1876  */
1877 static int tg3_phy_reset(struct tg3 *tp)
1878 {
1879         u32 cpmuctrl;
1880         u32 phy_status;
1881         int err;
1882
1883         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1884                 u32 val;
1885
1886                 val = tr32(GRC_MISC_CFG);
1887                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1888                 udelay(40);
1889         }
1890         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1891         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1892         if (err != 0)
1893                 return -EBUSY;
1894
1895         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1896                 netif_carrier_off(tp->dev);
1897                 tg3_link_report(tp);
1898         }
1899
1900         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1901             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1902             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1903                 err = tg3_phy_reset_5703_4_5(tp);
1904                 if (err)
1905                         return err;
1906                 goto out;
1907         }
1908
1909         cpmuctrl = 0;
1910         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1911             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1912                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1913                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1914                         tw32(TG3_CPMU_CTRL,
1915                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1916         }
1917
1918         err = tg3_bmcr_reset(tp);
1919         if (err)
1920                 return err;
1921
1922         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1923                 u32 phy;
1924
1925                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1926                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1927
1928                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1929         }
1930
1931         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1932             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1933                 u32 val;
1934
1935                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1936                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1937                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1938                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1939                         udelay(40);
1940                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1941                 }
1942         }
1943
1944         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1945             (tp->tg3_flags2 & TG3_FLG2_MII_SERDES))
1946                 return 0;
1947
1948         tg3_phy_apply_otp(tp);
1949
1950         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1951                 tg3_phy_toggle_apd(tp, true);
1952         else
1953                 tg3_phy_toggle_apd(tp, false);
1954
1955 out:
1956         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1957                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1958                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1959                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1960                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1961                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1962                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1963         }
1964         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1965                 tg3_writephy(tp, 0x1c, 0x8d68);
1966                 tg3_writephy(tp, 0x1c, 0x8d68);
1967         }
1968         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1969                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1970                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1971                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1972                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1973                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1974                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1975                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1976                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1977         }
1978         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1979                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1980                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1981                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1982                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1983                         tg3_writephy(tp, MII_TG3_TEST1,
1984                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1985                 } else
1986                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1987                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1988         }
1989         /* Set Extended packet length bit (bit 14) on all chips that */
1990         /* support jumbo frames */
1991         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
1992                 /* Cannot do read-modify-write on 5401 */
1993                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1994         } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1995                 u32 phy_reg;
1996
1997                 /* Set bit 14 with read-modify-write to preserve other bits */
1998                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1999                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
2000                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
2001         }
2002
2003         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2004          * jumbo frames transmission.
2005          */
2006         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2007                 u32 phy_reg;
2008
2009                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
2010                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
2011                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2012         }
2013
2014         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2015                 /* adjust output voltage */
2016                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2017         }
2018
2019         tg3_phy_toggle_automdix(tp, 1);
2020         tg3_phy_set_wirespeed(tp);
2021         return 0;
2022 }
2023
2024 static void tg3_frob_aux_power(struct tg3 *tp)
2025 {
2026         struct tg3 *tp_peer = tp;
2027
2028         /* The GPIOs do something completely different on 57765. */
2029         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
2030             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
2031                 return;
2032
2033         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2034             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2035             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2036                 struct net_device *dev_peer;
2037
2038                 dev_peer = pci_get_drvdata(tp->pdev_peer);
2039                 /* remove_one() may have been run on the peer. */
2040                 if (!dev_peer)
2041                         tp_peer = tp;
2042                 else
2043                         tp_peer = netdev_priv(dev_peer);
2044         }
2045
2046         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2047             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2048             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2049             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2050                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2051                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2052                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2053                                     (GRC_LCLCTRL_GPIO_OE0 |
2054                                      GRC_LCLCTRL_GPIO_OE1 |
2055                                      GRC_LCLCTRL_GPIO_OE2 |
2056                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
2057                                      GRC_LCLCTRL_GPIO_OUTPUT1),
2058                                     100);
2059                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2060                            tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2061                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2062                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2063                                              GRC_LCLCTRL_GPIO_OE1 |
2064                                              GRC_LCLCTRL_GPIO_OE2 |
2065                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
2066                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
2067                                              tp->grc_local_ctrl;
2068                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2069
2070                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2071                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2072
2073                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2074                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2075                 } else {
2076                         u32 no_gpio2;
2077                         u32 grc_local_ctrl = 0;
2078
2079                         if (tp_peer != tp &&
2080                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2081                                 return;
2082
2083                         /* Workaround to prevent overdrawing Amps. */
2084                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2085                             ASIC_REV_5714) {
2086                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2087                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2088                                             grc_local_ctrl, 100);
2089                         }
2090
2091                         /* On 5753 and variants, GPIO2 cannot be used. */
2092                         no_gpio2 = tp->nic_sram_data_cfg &
2093                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
2094
2095                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2096                                          GRC_LCLCTRL_GPIO_OE1 |
2097                                          GRC_LCLCTRL_GPIO_OE2 |
2098                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
2099                                          GRC_LCLCTRL_GPIO_OUTPUT2;
2100                         if (no_gpio2) {
2101                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2102                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
2103                         }
2104                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2105                                                     grc_local_ctrl, 100);
2106
2107                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2108
2109                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2110                                                     grc_local_ctrl, 100);
2111
2112                         if (!no_gpio2) {
2113                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2114                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2115                                             grc_local_ctrl, 100);
2116                         }
2117                 }
2118         } else {
2119                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2120                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2121                         if (tp_peer != tp &&
2122                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2123                                 return;
2124
2125                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2126                                     (GRC_LCLCTRL_GPIO_OE1 |
2127                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2128
2129                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2130                                     GRC_LCLCTRL_GPIO_OE1, 100);
2131
2132                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2133                                     (GRC_LCLCTRL_GPIO_OE1 |
2134                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2135                 }
2136         }
2137 }
2138
2139 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2140 {
2141         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2142                 return 1;
2143         else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
2144                 if (speed != SPEED_10)
2145                         return 1;
2146         } else if (speed == SPEED_10)
2147                 return 1;
2148
2149         return 0;
2150 }
2151
2152 static int tg3_setup_phy(struct tg3 *, int);
2153
2154 #define RESET_KIND_SHUTDOWN     0
2155 #define RESET_KIND_INIT         1
2156 #define RESET_KIND_SUSPEND      2
2157
2158 static void tg3_write_sig_post_reset(struct tg3 *, int);
2159 static int tg3_halt_cpu(struct tg3 *, u32);
2160
2161 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2162 {
2163         u32 val;
2164
2165         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2166                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2167                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2168                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2169
2170                         sg_dig_ctrl |=
2171                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2172                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2173                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2174                 }
2175                 return;
2176         }
2177
2178         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2179                 tg3_bmcr_reset(tp);
2180                 val = tr32(GRC_MISC_CFG);
2181                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2182                 udelay(40);
2183                 return;
2184         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2185                 u32 phytest;
2186                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2187                         u32 phy;
2188
2189                         tg3_writephy(tp, MII_ADVERTISE, 0);
2190                         tg3_writephy(tp, MII_BMCR,
2191                                      BMCR_ANENABLE | BMCR_ANRESTART);
2192
2193                         tg3_writephy(tp, MII_TG3_FET_TEST,
2194                                      phytest | MII_TG3_FET_SHADOW_EN);
2195                         if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2196                                 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2197                                 tg3_writephy(tp,
2198                                              MII_TG3_FET_SHDW_AUXMODE4,
2199                                              phy);
2200                         }
2201                         tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2202                 }
2203                 return;
2204         } else if (do_low_power) {
2205                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2206                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2207
2208                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2209                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2210                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2211                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2212                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2213         }
2214
2215         /* The PHY should not be powered down on some chips because
2216          * of bugs.
2217          */
2218         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2219             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2220             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2221              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2222                 return;
2223
2224         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2225             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2226                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2227                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2228                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2229                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2230         }
2231
2232         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2233 }
2234
2235 /* tp->lock is held. */
2236 static int tg3_nvram_lock(struct tg3 *tp)
2237 {
2238         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2239                 int i;
2240
2241                 if (tp->nvram_lock_cnt == 0) {
2242                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2243                         for (i = 0; i < 8000; i++) {
2244                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2245                                         break;
2246                                 udelay(20);
2247                         }
2248                         if (i == 8000) {
2249                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2250                                 return -ENODEV;
2251                         }
2252                 }
2253                 tp->nvram_lock_cnt++;
2254         }
2255         return 0;
2256 }
2257
2258 /* tp->lock is held. */
2259 static void tg3_nvram_unlock(struct tg3 *tp)
2260 {
2261         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2262                 if (tp->nvram_lock_cnt > 0)
2263                         tp->nvram_lock_cnt--;
2264                 if (tp->nvram_lock_cnt == 0)
2265                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2266         }
2267 }
2268
2269 /* tp->lock is held. */
2270 static void tg3_enable_nvram_access(struct tg3 *tp)
2271 {
2272         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2273             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2274                 u32 nvaccess = tr32(NVRAM_ACCESS);
2275
2276                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2277         }
2278 }
2279
2280 /* tp->lock is held. */
2281 static void tg3_disable_nvram_access(struct tg3 *tp)
2282 {
2283         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2284             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2285                 u32 nvaccess = tr32(NVRAM_ACCESS);
2286
2287                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2288         }
2289 }
2290
2291 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2292                                         u32 offset, u32 *val)
2293 {
2294         u32 tmp;
2295         int i;
2296
2297         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2298                 return -EINVAL;
2299
2300         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2301                                         EEPROM_ADDR_DEVID_MASK |
2302                                         EEPROM_ADDR_READ);
2303         tw32(GRC_EEPROM_ADDR,
2304              tmp |
2305              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2306              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2307               EEPROM_ADDR_ADDR_MASK) |
2308              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2309
2310         for (i = 0; i < 1000; i++) {
2311                 tmp = tr32(GRC_EEPROM_ADDR);
2312
2313                 if (tmp & EEPROM_ADDR_COMPLETE)
2314                         break;
2315                 msleep(1);
2316         }
2317         if (!(tmp & EEPROM_ADDR_COMPLETE))
2318                 return -EBUSY;
2319
2320         tmp = tr32(GRC_EEPROM_DATA);
2321
2322         /*
2323          * The data will always be opposite the native endian
2324          * format.  Perform a blind byteswap to compensate.
2325          */
2326         *val = swab32(tmp);
2327
2328         return 0;
2329 }
2330
2331 #define NVRAM_CMD_TIMEOUT 10000
2332
2333 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2334 {
2335         int i;
2336
2337         tw32(NVRAM_CMD, nvram_cmd);
2338         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2339                 udelay(10);
2340                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2341                         udelay(10);
2342                         break;
2343                 }
2344         }
2345
2346         if (i == NVRAM_CMD_TIMEOUT)
2347                 return -EBUSY;
2348
2349         return 0;
2350 }
2351
2352 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2353 {
2354         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2355             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2356             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2357            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2358             (tp->nvram_jedecnum == JEDEC_ATMEL))
2359
2360                 addr = ((addr / tp->nvram_pagesize) <<
2361                         ATMEL_AT45DB0X1B_PAGE_POS) +
2362                        (addr % tp->nvram_pagesize);
2363
2364         return addr;
2365 }
2366
2367 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2368 {
2369         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2370             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2371             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2372            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2373             (tp->nvram_jedecnum == JEDEC_ATMEL))
2374
2375                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2376                         tp->nvram_pagesize) +
2377                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2378
2379         return addr;
2380 }
2381
2382 /* NOTE: Data read in from NVRAM is byteswapped according to
2383  * the byteswapping settings for all other register accesses.
2384  * tg3 devices are BE devices, so on a BE machine, the data
2385  * returned will be exactly as it is seen in NVRAM.  On a LE
2386  * machine, the 32-bit value will be byteswapped.
2387  */
2388 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2389 {
2390         int ret;
2391
2392         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2393                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2394
2395         offset = tg3_nvram_phys_addr(tp, offset);
2396
2397         if (offset > NVRAM_ADDR_MSK)
2398                 return -EINVAL;
2399
2400         ret = tg3_nvram_lock(tp);
2401         if (ret)
2402                 return ret;
2403
2404         tg3_enable_nvram_access(tp);
2405
2406         tw32(NVRAM_ADDR, offset);
2407         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2408                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2409
2410         if (ret == 0)
2411                 *val = tr32(NVRAM_RDDATA);
2412
2413         tg3_disable_nvram_access(tp);
2414
2415         tg3_nvram_unlock(tp);
2416
2417         return ret;
2418 }
2419
2420 /* Ensures NVRAM data is in bytestream format. */
2421 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2422 {
2423         u32 v;
2424         int res = tg3_nvram_read(tp, offset, &v);
2425         if (!res)
2426                 *val = cpu_to_be32(v);
2427         return res;
2428 }
2429
2430 /* tp->lock is held. */
2431 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2432 {
2433         u32 addr_high, addr_low;
2434         int i;
2435
2436         addr_high = ((tp->dev->dev_addr[0] << 8) |
2437                      tp->dev->dev_addr[1]);
2438         addr_low = ((tp->dev->dev_addr[2] << 24) |
2439                     (tp->dev->dev_addr[3] << 16) |
2440                     (tp->dev->dev_addr[4] <<  8) |
2441                     (tp->dev->dev_addr[5] <<  0));
2442         for (i = 0; i < 4; i++) {
2443                 if (i == 1 && skip_mac_1)
2444                         continue;
2445                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2446                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2447         }
2448
2449         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2450             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2451                 for (i = 0; i < 12; i++) {
2452                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2453                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2454                 }
2455         }
2456
2457         addr_high = (tp->dev->dev_addr[0] +
2458                      tp->dev->dev_addr[1] +
2459                      tp->dev->dev_addr[2] +
2460                      tp->dev->dev_addr[3] +
2461                      tp->dev->dev_addr[4] +
2462                      tp->dev->dev_addr[5]) &
2463                 TX_BACKOFF_SEED_MASK;
2464         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2465 }
2466
2467 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2468 {
2469         u32 misc_host_ctrl;
2470         bool device_should_wake, do_low_power;
2471
2472         /* Make sure register accesses (indirect or otherwise)
2473          * will function correctly.
2474          */
2475         pci_write_config_dword(tp->pdev,
2476                                TG3PCI_MISC_HOST_CTRL,
2477                                tp->misc_host_ctrl);
2478
2479         switch (state) {
2480         case PCI_D0:
2481                 pci_enable_wake(tp->pdev, state, false);
2482                 pci_set_power_state(tp->pdev, PCI_D0);
2483
2484                 /* Switch out of Vaux if it is a NIC */
2485                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2486                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2487
2488                 return 0;
2489
2490         case PCI_D1:
2491         case PCI_D2:
2492         case PCI_D3hot:
2493                 break;
2494
2495         default:
2496                 netdev_err(tp->dev, "Invalid power state (D%d) requested\n",
2497                            state);
2498                 return -EINVAL;
2499         }
2500
2501         /* Restore the CLKREQ setting. */
2502         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2503                 u16 lnkctl;
2504
2505                 pci_read_config_word(tp->pdev,
2506                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2507                                      &lnkctl);
2508                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2509                 pci_write_config_word(tp->pdev,
2510                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2511                                       lnkctl);
2512         }
2513
2514         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2515         tw32(TG3PCI_MISC_HOST_CTRL,
2516              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2517
2518         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2519                              device_may_wakeup(&tp->pdev->dev) &&
2520                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2521
2522         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2523                 do_low_power = false;
2524                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2525                     !tp->link_config.phy_is_low_power) {
2526                         struct phy_device *phydev;
2527                         u32 phyid, advertising;
2528
2529                         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2530
2531                         tp->link_config.phy_is_low_power = 1;
2532
2533                         tp->link_config.orig_speed = phydev->speed;
2534                         tp->link_config.orig_duplex = phydev->duplex;
2535                         tp->link_config.orig_autoneg = phydev->autoneg;
2536                         tp->link_config.orig_advertising = phydev->advertising;
2537
2538                         advertising = ADVERTISED_TP |
2539                                       ADVERTISED_Pause |
2540                                       ADVERTISED_Autoneg |
2541                                       ADVERTISED_10baseT_Half;
2542
2543                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2544                             device_should_wake) {
2545                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2546                                         advertising |=
2547                                                 ADVERTISED_100baseT_Half |
2548                                                 ADVERTISED_100baseT_Full |
2549                                                 ADVERTISED_10baseT_Full;
2550                                 else
2551                                         advertising |= ADVERTISED_10baseT_Full;
2552                         }
2553
2554                         phydev->advertising = advertising;
2555
2556                         phy_start_aneg(phydev);
2557
2558                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2559                         if (phyid != PHY_ID_BCMAC131) {
2560                                 phyid &= PHY_BCM_OUI_MASK;
2561                                 if (phyid == PHY_BCM_OUI_1 ||
2562                                     phyid == PHY_BCM_OUI_2 ||
2563                                     phyid == PHY_BCM_OUI_3)
2564                                         do_low_power = true;
2565                         }
2566                 }
2567         } else {
2568                 do_low_power = true;
2569
2570                 if (tp->link_config.phy_is_low_power == 0) {
2571                         tp->link_config.phy_is_low_power = 1;
2572                         tp->link_config.orig_speed = tp->link_config.speed;
2573                         tp->link_config.orig_duplex = tp->link_config.duplex;
2574                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2575                 }
2576
2577                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2578                         tp->link_config.speed = SPEED_10;
2579                         tp->link_config.duplex = DUPLEX_HALF;
2580                         tp->link_config.autoneg = AUTONEG_ENABLE;
2581                         tg3_setup_phy(tp, 0);
2582                 }
2583         }
2584
2585         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2586                 u32 val;
2587
2588                 val = tr32(GRC_VCPU_EXT_CTRL);
2589                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2590         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2591                 int i;
2592                 u32 val;
2593
2594                 for (i = 0; i < 200; i++) {
2595                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2596                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2597                                 break;
2598                         msleep(1);
2599                 }
2600         }
2601         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2602                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2603                                                      WOL_DRV_STATE_SHUTDOWN |
2604                                                      WOL_DRV_WOL |
2605                                                      WOL_SET_MAGIC_PKT);
2606
2607         if (device_should_wake) {
2608                 u32 mac_mode;
2609
2610                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2611                         if (do_low_power) {
2612                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2613                                 udelay(40);
2614                         }
2615
2616                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2617                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2618                         else
2619                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2620
2621                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2622                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2623                             ASIC_REV_5700) {
2624                                 u32 speed = (tp->tg3_flags &
2625                                              TG3_FLAG_WOL_SPEED_100MB) ?
2626                                              SPEED_100 : SPEED_10;
2627                                 if (tg3_5700_link_polarity(tp, speed))
2628                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2629                                 else
2630                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2631                         }
2632                 } else {
2633                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2634                 }
2635
2636                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2637                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2638
2639                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2640                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2641                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2642                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2643                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2644                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2645
2646                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2647                         mac_mode |= tp->mac_mode &
2648                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2649                         if (mac_mode & MAC_MODE_APE_TX_EN)
2650                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2651                 }
2652
2653                 tw32_f(MAC_MODE, mac_mode);
2654                 udelay(100);
2655
2656                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2657                 udelay(10);
2658         }
2659
2660         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2661             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2662              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2663                 u32 base_val;
2664
2665                 base_val = tp->pci_clock_ctrl;
2666                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2667                              CLOCK_CTRL_TXCLK_DISABLE);
2668
2669                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2670                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2671         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2672                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2673                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2674                 /* do nothing */
2675         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2676                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2677                 u32 newbits1, newbits2;
2678
2679                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2680                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2681                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2682                                     CLOCK_CTRL_TXCLK_DISABLE |
2683                                     CLOCK_CTRL_ALTCLK);
2684                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2685                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2686                         newbits1 = CLOCK_CTRL_625_CORE;
2687                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2688                 } else {
2689                         newbits1 = CLOCK_CTRL_ALTCLK;
2690                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2691                 }
2692
2693                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2694                             40);
2695
2696                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2697                             40);
2698
2699                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2700                         u32 newbits3;
2701
2702                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2703                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2704                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2705                                             CLOCK_CTRL_TXCLK_DISABLE |
2706                                             CLOCK_CTRL_44MHZ_CORE);
2707                         } else {
2708                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2709                         }
2710
2711                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2712                                     tp->pci_clock_ctrl | newbits3, 40);
2713                 }
2714         }
2715
2716         if (!(device_should_wake) &&
2717             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2718                 tg3_power_down_phy(tp, do_low_power);
2719
2720         tg3_frob_aux_power(tp);
2721
2722         /* Workaround for unstable PLL clock */
2723         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2724             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2725                 u32 val = tr32(0x7d00);
2726
2727                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2728                 tw32(0x7d00, val);
2729                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2730                         int err;
2731
2732                         err = tg3_nvram_lock(tp);
2733                         tg3_halt_cpu(tp, RX_CPU_BASE);
2734                         if (!err)
2735                                 tg3_nvram_unlock(tp);
2736                 }
2737         }
2738
2739         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2740
2741         if (device_should_wake)
2742                 pci_enable_wake(tp->pdev, state, true);
2743
2744         /* Finally, set the new power state. */
2745         pci_set_power_state(tp->pdev, state);
2746
2747         return 0;
2748 }
2749
2750 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2751 {
2752         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2753         case MII_TG3_AUX_STAT_10HALF:
2754                 *speed = SPEED_10;
2755                 *duplex = DUPLEX_HALF;
2756                 break;
2757
2758         case MII_TG3_AUX_STAT_10FULL:
2759                 *speed = SPEED_10;
2760                 *duplex = DUPLEX_FULL;
2761                 break;
2762
2763         case MII_TG3_AUX_STAT_100HALF:
2764                 *speed = SPEED_100;
2765                 *duplex = DUPLEX_HALF;
2766                 break;
2767
2768         case MII_TG3_AUX_STAT_100FULL:
2769                 *speed = SPEED_100;
2770                 *duplex = DUPLEX_FULL;
2771                 break;
2772
2773         case MII_TG3_AUX_STAT_1000HALF:
2774                 *speed = SPEED_1000;
2775                 *duplex = DUPLEX_HALF;
2776                 break;
2777
2778         case MII_TG3_AUX_STAT_1000FULL:
2779                 *speed = SPEED_1000;
2780                 *duplex = DUPLEX_FULL;
2781                 break;
2782
2783         default:
2784                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2785                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2786                                  SPEED_10;
2787                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2788                                   DUPLEX_HALF;
2789                         break;
2790                 }
2791                 *speed = SPEED_INVALID;
2792                 *duplex = DUPLEX_INVALID;
2793                 break;
2794         }
2795 }
2796
2797 static void tg3_phy_copper_begin(struct tg3 *tp)
2798 {
2799         u32 new_adv;
2800         int i;
2801
2802         if (tp->link_config.phy_is_low_power) {
2803                 /* Entering low power mode.  Disable gigabit and
2804                  * 100baseT advertisements.
2805                  */
2806                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2807
2808                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2809                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2810                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2811                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2812
2813                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2814         } else if (tp->link_config.speed == SPEED_INVALID) {
2815                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2816                         tp->link_config.advertising &=
2817                                 ~(ADVERTISED_1000baseT_Half |
2818                                   ADVERTISED_1000baseT_Full);
2819
2820                 new_adv = ADVERTISE_CSMA;
2821                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2822                         new_adv |= ADVERTISE_10HALF;
2823                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2824                         new_adv |= ADVERTISE_10FULL;
2825                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2826                         new_adv |= ADVERTISE_100HALF;
2827                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2828                         new_adv |= ADVERTISE_100FULL;
2829
2830                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2831
2832                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2833
2834                 if (tp->link_config.advertising &
2835                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2836                         new_adv = 0;
2837                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2838                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2839                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2840                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2841                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2842                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2843                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2844                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2845                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2846                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2847                 } else {
2848                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2849                 }
2850         } else {
2851                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2852                 new_adv |= ADVERTISE_CSMA;
2853
2854                 /* Asking for a specific link mode. */
2855                 if (tp->link_config.speed == SPEED_1000) {
2856                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2857
2858                         if (tp->link_config.duplex == DUPLEX_FULL)
2859                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2860                         else
2861                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2862                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2863                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2864                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2865                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2866                 } else {
2867                         if (tp->link_config.speed == SPEED_100) {
2868                                 if (tp->link_config.duplex == DUPLEX_FULL)
2869                                         new_adv |= ADVERTISE_100FULL;
2870                                 else
2871                                         new_adv |= ADVERTISE_100HALF;
2872                         } else {
2873                                 if (tp->link_config.duplex == DUPLEX_FULL)
2874                                         new_adv |= ADVERTISE_10FULL;
2875                                 else
2876                                         new_adv |= ADVERTISE_10HALF;
2877                         }
2878                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2879
2880                         new_adv = 0;
2881                 }
2882
2883                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2884         }
2885
2886         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2887             tp->link_config.speed != SPEED_INVALID) {
2888                 u32 bmcr, orig_bmcr;
2889
2890                 tp->link_config.active_speed = tp->link_config.speed;
2891                 tp->link_config.active_duplex = tp->link_config.duplex;
2892
2893                 bmcr = 0;
2894                 switch (tp->link_config.speed) {
2895                 default:
2896                 case SPEED_10:
2897                         break;
2898
2899                 case SPEED_100:
2900                         bmcr |= BMCR_SPEED100;
2901                         break;
2902
2903                 case SPEED_1000:
2904                         bmcr |= TG3_BMCR_SPEED1000;
2905                         break;
2906                 }
2907
2908                 if (tp->link_config.duplex == DUPLEX_FULL)
2909                         bmcr |= BMCR_FULLDPLX;
2910
2911                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2912                     (bmcr != orig_bmcr)) {
2913                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2914                         for (i = 0; i < 1500; i++) {
2915                                 u32 tmp;
2916
2917                                 udelay(10);
2918                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2919                                     tg3_readphy(tp, MII_BMSR, &tmp))
2920                                         continue;
2921                                 if (!(tmp & BMSR_LSTATUS)) {
2922                                         udelay(40);
2923                                         break;
2924                                 }
2925                         }
2926                         tg3_writephy(tp, MII_BMCR, bmcr);
2927                         udelay(40);
2928                 }
2929         } else {
2930                 tg3_writephy(tp, MII_BMCR,
2931                              BMCR_ANENABLE | BMCR_ANRESTART);
2932         }
2933 }
2934
2935 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2936 {
2937         int err;
2938
2939         /* Turn off tap power management. */
2940         /* Set Extended packet length bit */
2941         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2942
2943         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2944         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2945
2946         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2947         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2948
2949         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2950         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2951
2952         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2953         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2954
2955         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2956         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2957
2958         udelay(40);
2959
2960         return err;
2961 }
2962
2963 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2964 {
2965         u32 adv_reg, all_mask = 0;
2966
2967         if (mask & ADVERTISED_10baseT_Half)
2968                 all_mask |= ADVERTISE_10HALF;
2969         if (mask & ADVERTISED_10baseT_Full)
2970                 all_mask |= ADVERTISE_10FULL;
2971         if (mask & ADVERTISED_100baseT_Half)
2972                 all_mask |= ADVERTISE_100HALF;
2973         if (mask & ADVERTISED_100baseT_Full)
2974                 all_mask |= ADVERTISE_100FULL;
2975
2976         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2977                 return 0;
2978
2979         if ((adv_reg & all_mask) != all_mask)
2980                 return 0;
2981         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2982                 u32 tg3_ctrl;
2983
2984                 all_mask = 0;
2985                 if (mask & ADVERTISED_1000baseT_Half)
2986                         all_mask |= ADVERTISE_1000HALF;
2987                 if (mask & ADVERTISED_1000baseT_Full)
2988                         all_mask |= ADVERTISE_1000FULL;
2989
2990                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2991                         return 0;
2992
2993                 if ((tg3_ctrl & all_mask) != all_mask)
2994                         return 0;
2995         }
2996         return 1;
2997 }
2998
2999 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
3000 {
3001         u32 curadv, reqadv;
3002
3003         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
3004                 return 1;
3005
3006         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
3007         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
3008
3009         if (tp->link_config.active_duplex == DUPLEX_FULL) {
3010                 if (curadv != reqadv)
3011                         return 0;
3012
3013                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3014                         tg3_readphy(tp, MII_LPA, rmtadv);
3015         } else {
3016                 /* Reprogram the advertisement register, even if it
3017                  * does not affect the current link.  If the link
3018                  * gets renegotiated in the future, we can save an
3019                  * additional renegotiation cycle by advertising
3020                  * it correctly in the first place.
3021                  */
3022                 if (curadv != reqadv) {
3023                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3024                                      ADVERTISE_PAUSE_ASYM);
3025                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3026                 }
3027         }
3028
3029         return 1;
3030 }
3031
3032 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3033 {
3034         int current_link_up;
3035         u32 bmsr, dummy;
3036         u32 lcl_adv, rmt_adv;
3037         u16 current_speed;
3038         u8 current_duplex;
3039         int i, err;
3040
3041         tw32(MAC_EVENT, 0);
3042
3043         tw32_f(MAC_STATUS,
3044              (MAC_STATUS_SYNC_CHANGED |
3045               MAC_STATUS_CFG_CHANGED |
3046               MAC_STATUS_MI_COMPLETION |
3047               MAC_STATUS_LNKSTATE_CHANGED));
3048         udelay(40);
3049
3050         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3051                 tw32_f(MAC_MI_MODE,
3052                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3053                 udelay(80);
3054         }
3055
3056         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3057
3058         /* Some third-party PHYs need to be reset on link going
3059          * down.
3060          */
3061         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3062              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3063              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3064             netif_carrier_ok(tp->dev)) {
3065                 tg3_readphy(tp, MII_BMSR, &bmsr);
3066                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3067                     !(bmsr & BMSR_LSTATUS))
3068                         force_reset = 1;
3069         }
3070         if (force_reset)
3071                 tg3_phy_reset(tp);
3072
3073         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
3074                 tg3_readphy(tp, MII_BMSR, &bmsr);
3075                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3076                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3077                         bmsr = 0;
3078
3079                 if (!(bmsr & BMSR_LSTATUS)) {
3080                         err = tg3_init_5401phy_dsp(tp);
3081                         if (err)
3082                                 return err;
3083
3084                         tg3_readphy(tp, MII_BMSR, &bmsr);
3085                         for (i = 0; i < 1000; i++) {
3086                                 udelay(10);
3087                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3088                                     (bmsr & BMSR_LSTATUS)) {
3089                                         udelay(40);
3090                                         break;
3091                                 }
3092                         }
3093
3094                         if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
3095                             TG3_PHY_REV_BCM5401_B0 &&
3096                             !(bmsr & BMSR_LSTATUS) &&
3097                             tp->link_config.active_speed == SPEED_1000) {
3098                                 err = tg3_phy_reset(tp);
3099                                 if (!err)
3100                                         err = tg3_init_5401phy_dsp(tp);
3101                                 if (err)
3102                                         return err;
3103                         }
3104                 }
3105         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3106                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3107                 /* 5701 {A0,B0} CRC bug workaround */
3108                 tg3_writephy(tp, 0x15, 0x0a75);
3109                 tg3_writephy(tp, 0x1c, 0x8c68);
3110                 tg3_writephy(tp, 0x1c, 0x8d68);
3111                 tg3_writephy(tp, 0x1c, 0x8c68);
3112         }
3113
3114         /* Clear pending interrupts... */
3115         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3116         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3117
3118         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3119                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3120         else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
3121                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3122
3123         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3124             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3125                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3126                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
3127                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3128                 else
3129                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3130         }
3131
3132         current_link_up = 0;
3133         current_speed = SPEED_INVALID;
3134         current_duplex = DUPLEX_INVALID;
3135
3136         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3137                 u32 val;
3138
3139                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3140                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3141                 if (!(val & (1 << 10))) {
3142                         val |= (1 << 10);
3143                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3144                         goto relink;
3145                 }
3146         }
3147
3148         bmsr = 0;
3149         for (i = 0; i < 100; i++) {
3150                 tg3_readphy(tp, MII_BMSR, &bmsr);
3151                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3152                     (bmsr & BMSR_LSTATUS))
3153                         break;
3154                 udelay(40);
3155         }
3156
3157         if (bmsr & BMSR_LSTATUS) {
3158                 u32 aux_stat, bmcr;
3159
3160                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3161                 for (i = 0; i < 2000; i++) {
3162                         udelay(10);
3163                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3164                             aux_stat)
3165                                 break;
3166                 }
3167
3168                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3169                                              &current_speed,
3170                                              &current_duplex);
3171
3172                 bmcr = 0;
3173                 for (i = 0; i < 200; i++) {
3174                         tg3_readphy(tp, MII_BMCR, &bmcr);
3175                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3176                                 continue;
3177                         if (bmcr && bmcr != 0x7fff)
3178                                 break;
3179                         udelay(10);
3180                 }
3181
3182                 lcl_adv = 0;
3183                 rmt_adv = 0;
3184
3185                 tp->link_config.active_speed = current_speed;
3186                 tp->link_config.active_duplex = current_duplex;
3187
3188                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3189                         if ((bmcr & BMCR_ANENABLE) &&
3190                             tg3_copper_is_advertising_all(tp,
3191                                                 tp->link_config.advertising)) {
3192                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3193                                                                   &rmt_adv))
3194                                         current_link_up = 1;
3195                         }
3196                 } else {
3197                         if (!(bmcr & BMCR_ANENABLE) &&
3198                             tp->link_config.speed == current_speed &&
3199                             tp->link_config.duplex == current_duplex &&
3200                             tp->link_config.flowctrl ==
3201                             tp->link_config.active_flowctrl) {
3202                                 current_link_up = 1;
3203                         }
3204                 }
3205
3206                 if (current_link_up == 1 &&
3207                     tp->link_config.active_duplex == DUPLEX_FULL)
3208                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3209         }
3210
3211 relink:
3212         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3213                 u32 tmp;
3214
3215                 tg3_phy_copper_begin(tp);
3216
3217                 tg3_readphy(tp, MII_BMSR, &tmp);
3218                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3219                     (tmp & BMSR_LSTATUS))
3220                         current_link_up = 1;
3221         }
3222
3223         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3224         if (current_link_up == 1) {
3225                 if (tp->link_config.active_speed == SPEED_100 ||
3226                     tp->link_config.active_speed == SPEED_10)
3227                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3228                 else
3229                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3230         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3231                 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3232         else
3233                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3234
3235         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3236         if (tp->link_config.active_duplex == DUPLEX_HALF)
3237                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3238
3239         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3240                 if (current_link_up == 1 &&
3241                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3242                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3243                 else
3244                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3245         }
3246
3247         /* ??? Without this setting Netgear GA302T PHY does not
3248          * ??? send/receive packets...
3249          */
3250         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
3251             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3252                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3253                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3254                 udelay(80);
3255         }
3256
3257         tw32_f(MAC_MODE, tp->mac_mode);
3258         udelay(40);
3259
3260         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3261                 /* Polled via timer. */
3262                 tw32_f(MAC_EVENT, 0);
3263         } else {
3264                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3265         }
3266         udelay(40);
3267
3268         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3269             current_link_up == 1 &&
3270             tp->link_config.active_speed == SPEED_1000 &&
3271             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3272              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3273                 udelay(120);
3274                 tw32_f(MAC_STATUS,
3275                      (MAC_STATUS_SYNC_CHANGED |
3276                       MAC_STATUS_CFG_CHANGED));
3277                 udelay(40);
3278                 tg3_write_mem(tp,
3279                               NIC_SRAM_FIRMWARE_MBOX,
3280                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3281         }
3282
3283         /* Prevent send BD corruption. */
3284         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3285                 u16 oldlnkctl, newlnkctl;
3286
3287                 pci_read_config_word(tp->pdev,
3288                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3289                                      &oldlnkctl);
3290                 if (tp->link_config.active_speed == SPEED_100 ||
3291                     tp->link_config.active_speed == SPEED_10)
3292                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3293                 else
3294                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3295                 if (newlnkctl != oldlnkctl)
3296                         pci_write_config_word(tp->pdev,
3297                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3298                                               newlnkctl);
3299         }
3300
3301         if (current_link_up != netif_carrier_ok(tp->dev)) {
3302                 if (current_link_up)
3303                         netif_carrier_on(tp->dev);
3304                 else
3305                         netif_carrier_off(tp->dev);
3306                 tg3_link_report(tp);
3307         }
3308
3309         return 0;
3310 }
3311
3312 struct tg3_fiber_aneginfo {
3313         int state;
3314 #define ANEG_STATE_UNKNOWN              0
3315 #define ANEG_STATE_AN_ENABLE            1
3316 #define ANEG_STATE_RESTART_INIT         2
3317 #define ANEG_STATE_RESTART              3
3318 #define ANEG_STATE_DISABLE_LINK_OK      4
3319 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3320 #define ANEG_STATE_ABILITY_DETECT       6
3321 #define ANEG_STATE_ACK_DETECT_INIT      7
3322 #define ANEG_STATE_ACK_DETECT           8
3323 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3324 #define ANEG_STATE_COMPLETE_ACK         10
3325 #define ANEG_STATE_IDLE_DETECT_INIT     11
3326 #define ANEG_STATE_IDLE_DETECT          12
3327 #define ANEG_STATE_LINK_OK              13
3328 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3329 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3330
3331         u32 flags;
3332 #define MR_AN_ENABLE            0x00000001
3333 #define MR_RESTART_AN           0x00000002
3334 #define MR_AN_COMPLETE          0x00000004
3335 #define MR_PAGE_RX              0x00000008
3336 #define MR_NP_LOADED            0x00000010
3337 #define MR_TOGGLE_TX            0x00000020
3338 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3339 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3340 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3341 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3342 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3343 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3344 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3345 #define MR_TOGGLE_RX            0x00002000
3346 #define MR_NP_RX                0x00004000
3347
3348 #define MR_LINK_OK              0x80000000
3349
3350         unsigned long link_time, cur_time;
3351
3352         u32 ability_match_cfg;
3353         int ability_match_count;
3354
3355         char ability_match, idle_match, ack_match;
3356
3357         u32 txconfig, rxconfig;
3358 #define ANEG_CFG_NP             0x00000080
3359 #define ANEG_CFG_ACK            0x00000040
3360 #define ANEG_CFG_RF2            0x00000020
3361 #define ANEG_CFG_RF1            0x00000010
3362 #define ANEG_CFG_PS2            0x00000001
3363 #define ANEG_CFG_PS1            0x00008000
3364 #define ANEG_CFG_HD             0x00004000
3365 #define ANEG_CFG_FD             0x00002000
3366 #define ANEG_CFG_INVAL          0x00001f06
3367
3368 };
3369 #define ANEG_OK         0
3370 #define ANEG_DONE       1
3371 #define ANEG_TIMER_ENAB 2
3372 #define ANEG_FAILED     -1
3373
3374 #define ANEG_STATE_SETTLE_TIME  10000
3375
3376 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3377                                    struct tg3_fiber_aneginfo *ap)
3378 {
3379         u16 flowctrl;
3380         unsigned long delta;
3381         u32 rx_cfg_reg;
3382         int ret;
3383
3384         if (ap->state == ANEG_STATE_UNKNOWN) {
3385                 ap->rxconfig = 0;
3386                 ap->link_time = 0;
3387                 ap->cur_time = 0;
3388                 ap->ability_match_cfg = 0;
3389                 ap->ability_match_count = 0;
3390                 ap->ability_match = 0;
3391                 ap->idle_match = 0;
3392                 ap->ack_match = 0;
3393         }
3394         ap->cur_time++;
3395
3396         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3397                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3398
3399                 if (rx_cfg_reg != ap->ability_match_cfg) {
3400                         ap->ability_match_cfg = rx_cfg_reg;
3401                         ap->ability_match = 0;
3402                         ap->ability_match_count = 0;
3403                 } else {
3404                         if (++ap->ability_match_count > 1) {
3405                                 ap->ability_match = 1;
3406                                 ap->ability_match_cfg = rx_cfg_reg;
3407                         }
3408                 }
3409                 if (rx_cfg_reg & ANEG_CFG_ACK)
3410                         ap->ack_match = 1;
3411                 else
3412                         ap->ack_match = 0;
3413
3414                 ap->idle_match = 0;
3415         } else {
3416                 ap->idle_match = 1;
3417                 ap->ability_match_cfg = 0;
3418                 ap->ability_match_count = 0;
3419                 ap->ability_match = 0;
3420                 ap->ack_match = 0;
3421
3422                 rx_cfg_reg = 0;
3423         }
3424
3425         ap->rxconfig = rx_cfg_reg;
3426         ret = ANEG_OK;
3427
3428         switch(ap->state) {
3429         case ANEG_STATE_UNKNOWN:
3430                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3431                         ap->state = ANEG_STATE_AN_ENABLE;
3432
3433                 /* fallthru */
3434         case ANEG_STATE_AN_ENABLE:
3435                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3436                 if (ap->flags & MR_AN_ENABLE) {
3437                         ap->link_time = 0;
3438                         ap->cur_time = 0;
3439                         ap->ability_match_cfg = 0;
3440                         ap->ability_match_count = 0;
3441                         ap->ability_match = 0;
3442                         ap->idle_match = 0;
3443                         ap->ack_match = 0;
3444
3445                         ap->state = ANEG_STATE_RESTART_INIT;
3446                 } else {
3447                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3448                 }
3449                 break;
3450
3451         case ANEG_STATE_RESTART_INIT:
3452                 ap->link_time = ap->cur_time;
3453                 ap->flags &= ~(MR_NP_LOADED);
3454                 ap->txconfig = 0;
3455                 tw32(MAC_TX_AUTO_NEG, 0);
3456                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3457                 tw32_f(MAC_MODE, tp->mac_mode);
3458                 udelay(40);
3459
3460                 ret = ANEG_TIMER_ENAB;
3461                 ap->state = ANEG_STATE_RESTART;
3462
3463                 /* fallthru */
3464         case ANEG_STATE_RESTART:
3465                 delta = ap->cur_time - ap->link_time;
3466                 if (delta > ANEG_STATE_SETTLE_TIME) {
3467                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3468                 } else {
3469                         ret = ANEG_TIMER_ENAB;
3470                 }
3471                 break;
3472
3473         case ANEG_STATE_DISABLE_LINK_OK:
3474                 ret = ANEG_DONE;
3475                 break;
3476
3477         case ANEG_STATE_ABILITY_DETECT_INIT:
3478                 ap->flags &= ~(MR_TOGGLE_TX);
3479                 ap->txconfig = ANEG_CFG_FD;
3480                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3481                 if (flowctrl & ADVERTISE_1000XPAUSE)
3482                         ap->txconfig |= ANEG_CFG_PS1;
3483                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3484                         ap->txconfig |= ANEG_CFG_PS2;
3485                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3486                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3487                 tw32_f(MAC_MODE, tp->mac_mode);
3488                 udelay(40);
3489
3490                 ap->state = ANEG_STATE_ABILITY_DETECT;
3491                 break;
3492
3493         case ANEG_STATE_ABILITY_DETECT:
3494                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3495                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3496                 }
3497                 break;
3498
3499         case ANEG_STATE_ACK_DETECT_INIT:
3500                 ap->txconfig |= ANEG_CFG_ACK;
3501                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3502                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3503                 tw32_f(MAC_MODE, tp->mac_mode);
3504                 udelay(40);
3505
3506                 ap->state = ANEG_STATE_ACK_DETECT;
3507
3508                 /* fallthru */
3509         case ANEG_STATE_ACK_DETECT:
3510                 if (ap->ack_match != 0) {
3511                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3512                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3513                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3514                         } else {
3515                                 ap->state = ANEG_STATE_AN_ENABLE;
3516                         }
3517                 } else if (ap->ability_match != 0 &&
3518                            ap->rxconfig == 0) {
3519                         ap->state = ANEG_STATE_AN_ENABLE;
3520                 }
3521                 break;
3522
3523         case ANEG_STATE_COMPLETE_ACK_INIT:
3524                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3525                         ret = ANEG_FAILED;
3526                         break;
3527                 }
3528                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3529                                MR_LP_ADV_HALF_DUPLEX |
3530                                MR_LP_ADV_SYM_PAUSE |
3531                                MR_LP_ADV_ASYM_PAUSE |
3532                                MR_LP_ADV_REMOTE_FAULT1 |
3533                                MR_LP_ADV_REMOTE_FAULT2 |
3534                                MR_LP_ADV_NEXT_PAGE |
3535                                MR_TOGGLE_RX |
3536                                MR_NP_RX);
3537                 if (ap->rxconfig & ANEG_CFG_FD)
3538                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3539                 if (ap->rxconfig & ANEG_CFG_HD)
3540                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3541                 if (ap->rxconfig & ANEG_CFG_PS1)
3542                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3543                 if (ap->rxconfig & ANEG_CFG_PS2)
3544                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3545                 if (ap->rxconfig & ANEG_CFG_RF1)
3546                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3547                 if (ap->rxconfig & ANEG_CFG_RF2)
3548                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3549                 if (ap->rxconfig & ANEG_CFG_NP)
3550                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3551
3552                 ap->link_time = ap->cur_time;
3553
3554                 ap->flags ^= (MR_TOGGLE_TX);
3555                 if (ap->rxconfig & 0x0008)
3556                         ap->flags |= MR_TOGGLE_RX;
3557                 if (ap->rxconfig & ANEG_CFG_NP)
3558                         ap->flags |= MR_NP_RX;
3559                 ap->flags |= MR_PAGE_RX;
3560
3561                 ap->state = ANEG_STATE_COMPLETE_ACK;
3562                 ret = ANEG_TIMER_ENAB;
3563                 break;
3564
3565         case ANEG_STATE_COMPLETE_ACK:
3566                 if (ap->ability_match != 0 &&
3567                     ap->rxconfig == 0) {
3568                         ap->state = ANEG_STATE_AN_ENABLE;
3569                         break;
3570                 }
3571                 delta = ap->cur_time - ap->link_time;
3572                 if (delta > ANEG_STATE_SETTLE_TIME) {
3573                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3574                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3575                         } else {
3576                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3577                                     !(ap->flags & MR_NP_RX)) {
3578                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3579                                 } else {
3580                                         ret = ANEG_FAILED;
3581                                 }
3582                         }
3583                 }
3584                 break;
3585
3586         case ANEG_STATE_IDLE_DETECT_INIT:
3587                 ap->link_time = ap->cur_time;
3588                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3589                 tw32_f(MAC_MODE, tp->mac_mode);
3590                 udelay(40);
3591
3592                 ap->state = ANEG_STATE_IDLE_DETECT;
3593                 ret = ANEG_TIMER_ENAB;
3594                 break;
3595
3596         case ANEG_STATE_IDLE_DETECT:
3597                 if (ap->ability_match != 0 &&
3598                     ap->rxconfig == 0) {
3599                         ap->state = ANEG_STATE_AN_ENABLE;
3600                         break;
3601                 }
3602                 delta = ap->cur_time - ap->link_time;
3603                 if (delta > ANEG_STATE_SETTLE_TIME) {
3604                         /* XXX another gem from the Broadcom driver :( */
3605                         ap->state = ANEG_STATE_LINK_OK;
3606                 }
3607                 break;
3608
3609         case ANEG_STATE_LINK_OK:
3610                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3611                 ret = ANEG_DONE;
3612                 break;
3613
3614         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3615                 /* ??? unimplemented */
3616                 break;
3617
3618         case ANEG_STATE_NEXT_PAGE_WAIT:
3619                 /* ??? unimplemented */
3620                 break;
3621
3622         default:
3623                 ret = ANEG_FAILED;
3624                 break;
3625         }
3626
3627         return ret;
3628 }
3629
3630 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3631 {
3632         int res = 0;
3633         struct tg3_fiber_aneginfo aninfo;
3634         int status = ANEG_FAILED;
3635         unsigned int tick;
3636         u32 tmp;
3637
3638         tw32_f(MAC_TX_AUTO_NEG, 0);
3639
3640         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3641         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3642         udelay(40);
3643
3644         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3645         udelay(40);
3646
3647         memset(&aninfo, 0, sizeof(aninfo));
3648         aninfo.flags |= MR_AN_ENABLE;
3649         aninfo.state = ANEG_STATE_UNKNOWN;
3650         aninfo.cur_time = 0;
3651         tick = 0;
3652         while (++tick < 195000) {
3653                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3654                 if (status == ANEG_DONE || status == ANEG_FAILED)
3655                         break;
3656
3657                 udelay(1);
3658         }
3659
3660         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3661         tw32_f(MAC_MODE, tp->mac_mode);
3662         udelay(40);
3663
3664         *txflags = aninfo.txconfig;
3665         *rxflags = aninfo.flags;
3666
3667         if (status == ANEG_DONE &&
3668             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3669                              MR_LP_ADV_FULL_DUPLEX)))
3670                 res = 1;
3671
3672         return res;
3673 }
3674
3675 static void tg3_init_bcm8002(struct tg3 *tp)
3676 {
3677         u32 mac_status = tr32(MAC_STATUS);
3678         int i;
3679
3680         /* Reset when initting first time or we have a link. */
3681         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3682             !(mac_status & MAC_STATUS_PCS_SYNCED))
3683                 return;
3684
3685         /* Set PLL lock range. */
3686         tg3_writephy(tp, 0x16, 0x8007);
3687
3688         /* SW reset */
3689         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3690
3691         /* Wait for reset to complete. */
3692         /* XXX schedule_timeout() ... */
3693         for (i = 0; i < 500; i++)
3694                 udelay(10);
3695
3696         /* Config mode; select PMA/Ch 1 regs. */
3697         tg3_writephy(tp, 0x10, 0x8411);
3698
3699         /* Enable auto-lock and comdet, select txclk for tx. */
3700         tg3_writephy(tp, 0x11, 0x0a10);
3701
3702         tg3_writephy(tp, 0x18, 0x00a0);
3703         tg3_writephy(tp, 0x16, 0x41ff);
3704
3705         /* Assert and deassert POR. */
3706         tg3_writephy(tp, 0x13, 0x0400);
3707         udelay(40);
3708         tg3_writephy(tp, 0x13, 0x0000);
3709
3710         tg3_writephy(tp, 0x11, 0x0a50);
3711         udelay(40);
3712         tg3_writephy(tp, 0x11, 0x0a10);
3713
3714         /* Wait for signal to stabilize */
3715         /* XXX schedule_timeout() ... */
3716         for (i = 0; i < 15000; i++)
3717                 udelay(10);
3718
3719         /* Deselect the channel register so we can read the PHYID
3720          * later.
3721          */
3722         tg3_writephy(tp, 0x10, 0x8011);
3723 }
3724
3725 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3726 {
3727         u16 flowctrl;
3728         u32 sg_dig_ctrl, sg_dig_status;
3729         u32 serdes_cfg, expected_sg_dig_ctrl;
3730         int workaround, port_a;
3731         int current_link_up;
3732
3733         serdes_cfg = 0;
3734         expected_sg_dig_ctrl = 0;
3735         workaround = 0;
3736         port_a = 1;
3737         current_link_up = 0;
3738
3739         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3740             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3741                 workaround = 1;
3742                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3743                         port_a = 0;
3744
3745                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3746                 /* preserve bits 20-23 for voltage regulator */
3747                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3748         }
3749
3750         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3751
3752         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3753                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3754                         if (workaround) {
3755                                 u32 val = serdes_cfg;
3756
3757                                 if (port_a)
3758                                         val |= 0xc010000;
3759                                 else
3760                                         val |= 0x4010000;
3761                                 tw32_f(MAC_SERDES_CFG, val);
3762                         }
3763
3764                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3765                 }
3766                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3767                         tg3_setup_flow_control(tp, 0, 0);
3768                         current_link_up = 1;
3769                 }
3770                 goto out;
3771         }
3772
3773         /* Want auto-negotiation.  */
3774         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3775
3776         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3777         if (flowctrl & ADVERTISE_1000XPAUSE)
3778                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3779         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3780                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3781
3782         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3783                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3784                     tp->serdes_counter &&
3785                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3786                                     MAC_STATUS_RCVD_CFG)) ==
3787                      MAC_STATUS_PCS_SYNCED)) {
3788                         tp->serdes_counter--;
3789                         current_link_up = 1;
3790                         goto out;
3791                 }
3792 restart_autoneg:
3793                 if (workaround)
3794                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3795                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3796                 udelay(5);
3797                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3798
3799                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3800                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3801         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3802                                  MAC_STATUS_SIGNAL_DET)) {
3803                 sg_dig_status = tr32(SG_DIG_STATUS);
3804                 mac_status = tr32(MAC_STATUS);
3805
3806                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3807                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3808                         u32 local_adv = 0, remote_adv = 0;
3809
3810                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3811                                 local_adv |= ADVERTISE_1000XPAUSE;
3812                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3813                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3814
3815                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3816                                 remote_adv |= LPA_1000XPAUSE;
3817                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3818                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3819
3820                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3821                         current_link_up = 1;
3822                         tp->serdes_counter = 0;
3823                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3824                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3825                         if (tp->serdes_counter)
3826                                 tp->serdes_counter--;
3827                         else {
3828                                 if (workaround) {
3829                                         u32 val = serdes_cfg;
3830
3831                                         if (port_a)
3832                                                 val |= 0xc010000;
3833                                         else
3834                                                 val |= 0x4010000;
3835
3836                                         tw32_f(MAC_SERDES_CFG, val);
3837                                 }
3838
3839                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3840                                 udelay(40);
3841
3842                                 /* Link parallel detection - link is up */
3843                                 /* only if we have PCS_SYNC and not */
3844                                 /* receiving config code words */
3845                                 mac_status = tr32(MAC_STATUS);
3846                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3847                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3848                                         tg3_setup_flow_control(tp, 0, 0);
3849                                         current_link_up = 1;
3850                                         tp->tg3_flags2 |=
3851                                                 TG3_FLG2_PARALLEL_DETECT;
3852                                         tp->serdes_counter =
3853                                                 SERDES_PARALLEL_DET_TIMEOUT;
3854                                 } else
3855                                         goto restart_autoneg;
3856                         }
3857                 }
3858         } else {
3859                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3860                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3861         }
3862
3863 out:
3864         return current_link_up;
3865 }
3866
3867 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3868 {
3869         int current_link_up = 0;
3870
3871         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3872                 goto out;
3873
3874         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3875                 u32 txflags, rxflags;
3876                 int i;
3877
3878                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3879                         u32 local_adv = 0, remote_adv = 0;
3880
3881                         if (txflags & ANEG_CFG_PS1)
3882                                 local_adv |= ADVERTISE_1000XPAUSE;
3883                         if (txflags & ANEG_CFG_PS2)
3884                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3885
3886                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3887                                 remote_adv |= LPA_1000XPAUSE;
3888                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3889                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3890
3891                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3892
3893                         current_link_up = 1;
3894                 }
3895                 for (i = 0; i < 30; i++) {
3896                         udelay(20);
3897                         tw32_f(MAC_STATUS,
3898                                (MAC_STATUS_SYNC_CHANGED |
3899                                 MAC_STATUS_CFG_CHANGED));
3900                         udelay(40);
3901                         if ((tr32(MAC_STATUS) &
3902                              (MAC_STATUS_SYNC_CHANGED |
3903                               MAC_STATUS_CFG_CHANGED)) == 0)
3904                                 break;
3905                 }
3906
3907                 mac_status = tr32(MAC_STATUS);
3908                 if (current_link_up == 0 &&
3909                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3910                     !(mac_status & MAC_STATUS_RCVD_CFG))
3911                         current_link_up = 1;
3912         } else {
3913                 tg3_setup_flow_control(tp, 0, 0);
3914
3915                 /* Forcing 1000FD link up. */
3916                 current_link_up = 1;
3917
3918                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3919                 udelay(40);
3920
3921                 tw32_f(MAC_MODE, tp->mac_mode);
3922                 udelay(40);
3923         }
3924
3925 out:
3926         return current_link_up;
3927 }
3928
3929 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3930 {
3931         u32 orig_pause_cfg;
3932         u16 orig_active_speed;
3933         u8 orig_active_duplex;
3934         u32 mac_status;
3935         int current_link_up;
3936         int i;
3937
3938         orig_pause_cfg = tp->link_config.active_flowctrl;
3939         orig_active_speed = tp->link_config.active_speed;
3940         orig_active_duplex = tp->link_config.active_duplex;
3941
3942         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3943             netif_carrier_ok(tp->dev) &&
3944             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3945                 mac_status = tr32(MAC_STATUS);
3946                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3947                                MAC_STATUS_SIGNAL_DET |
3948                                MAC_STATUS_CFG_CHANGED |
3949                                MAC_STATUS_RCVD_CFG);
3950                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3951                                    MAC_STATUS_SIGNAL_DET)) {
3952                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3953                                             MAC_STATUS_CFG_CHANGED));
3954                         return 0;
3955                 }
3956         }
3957
3958         tw32_f(MAC_TX_AUTO_NEG, 0);
3959
3960         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3961         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3962         tw32_f(MAC_MODE, tp->mac_mode);
3963         udelay(40);
3964
3965         if (tp->phy_id == TG3_PHY_ID_BCM8002)
3966                 tg3_init_bcm8002(tp);
3967
3968         /* Enable link change event even when serdes polling.  */
3969         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3970         udelay(40);
3971
3972         current_link_up = 0;
3973         mac_status = tr32(MAC_STATUS);
3974
3975         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3976                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3977         else
3978                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3979
3980         tp->napi[0].hw_status->status =
3981                 (SD_STATUS_UPDATED |
3982                  (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
3983
3984         for (i = 0; i < 100; i++) {
3985                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3986                                     MAC_STATUS_CFG_CHANGED));
3987                 udelay(5);
3988                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3989                                          MAC_STATUS_CFG_CHANGED |
3990                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3991                         break;
3992         }
3993
3994         mac_status = tr32(MAC_STATUS);
3995         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3996                 current_link_up = 0;
3997                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3998                     tp->serdes_counter == 0) {
3999                         tw32_f(MAC_MODE, (tp->mac_mode |
4000                                           MAC_MODE_SEND_CONFIGS));
4001                         udelay(1);
4002                         tw32_f(MAC_MODE, tp->mac_mode);
4003                 }
4004         }
4005
4006         if (current_link_up == 1) {
4007                 tp->link_config.active_speed = SPEED_1000;
4008                 tp->link_config.active_duplex = DUPLEX_FULL;
4009                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4010                                     LED_CTRL_LNKLED_OVERRIDE |
4011                                     LED_CTRL_1000MBPS_ON));
4012         } else {
4013                 tp->link_config.active_speed = SPEED_INVALID;
4014                 tp->link_config.active_duplex = DUPLEX_INVALID;
4015                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4016                                     LED_CTRL_LNKLED_OVERRIDE |
4017                                     LED_CTRL_TRAFFIC_OVERRIDE));
4018         }
4019
4020         if (current_link_up != netif_carrier_ok(tp->dev)) {
4021                 if (current_link_up)
4022                         netif_carrier_on(tp->dev);
4023                 else
4024                         netif_carrier_off(tp->dev);
4025                 tg3_link_report(tp);
4026         } else {
4027                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4028                 if (orig_pause_cfg != now_pause_cfg ||
4029                     orig_active_speed != tp->link_config.active_speed ||
4030                     orig_active_duplex != tp->link_config.active_duplex)
4031                         tg3_link_report(tp);
4032         }
4033
4034         return 0;
4035 }
4036
4037 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4038 {
4039         int current_link_up, err = 0;
4040         u32 bmsr, bmcr;
4041         u16 current_speed;
4042         u8 current_duplex;
4043         u32 local_adv, remote_adv;
4044
4045         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4046         tw32_f(MAC_MODE, tp->mac_mode);
4047         udelay(40);
4048
4049         tw32(MAC_EVENT, 0);
4050
4051         tw32_f(MAC_STATUS,
4052              (MAC_STATUS_SYNC_CHANGED |
4053               MAC_STATUS_CFG_CHANGED |
4054               MAC_STATUS_MI_COMPLETION |
4055               MAC_STATUS_LNKSTATE_CHANGED));
4056         udelay(40);
4057
4058         if (force_reset)
4059                 tg3_phy_reset(tp);
4060
4061         current_link_up = 0;
4062         current_speed = SPEED_INVALID;
4063         current_duplex = DUPLEX_INVALID;
4064
4065         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4066         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4067         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4068                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4069                         bmsr |= BMSR_LSTATUS;
4070                 else
4071                         bmsr &= ~BMSR_LSTATUS;
4072         }
4073
4074         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4075
4076         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4077             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4078                 /* do nothing, just check for link up at the end */
4079         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4080                 u32 adv, new_adv;
4081
4082                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4083                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4084                                   ADVERTISE_1000XPAUSE |
4085                                   ADVERTISE_1000XPSE_ASYM |
4086                                   ADVERTISE_SLCT);
4087
4088                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4089
4090                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4091                         new_adv |= ADVERTISE_1000XHALF;
4092                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4093                         new_adv |= ADVERTISE_1000XFULL;
4094
4095                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4096                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
4097                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4098                         tg3_writephy(tp, MII_BMCR, bmcr);
4099
4100                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4101                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4102                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4103
4104                         return err;
4105                 }
4106         } else {
4107                 u32 new_bmcr;
4108
4109                 bmcr &= ~BMCR_SPEED1000;
4110                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4111
4112                 if (tp->link_config.duplex == DUPLEX_FULL)
4113                         new_bmcr |= BMCR_FULLDPLX;
4114
4115                 if (new_bmcr != bmcr) {
4116                         /* BMCR_SPEED1000 is a reserved bit that needs
4117                          * to be set on write.
4118                          */
4119                         new_bmcr |= BMCR_SPEED1000;
4120
4121                         /* Force a linkdown */
4122                         if (netif_carrier_ok(tp->dev)) {
4123                                 u32 adv;
4124
4125                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4126                                 adv &= ~(ADVERTISE_1000XFULL |
4127                                          ADVERTISE_1000XHALF |
4128                                          ADVERTISE_SLCT);
4129                                 tg3_writephy(tp, MII_ADVERTISE, adv);
4130                                 tg3_writephy(tp, MII_BMCR, bmcr |
4131                                                            BMCR_ANRESTART |
4132                                                            BMCR_ANENABLE);
4133                                 udelay(10);
4134                                 netif_carrier_off(tp->dev);
4135                         }
4136                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4137                         bmcr = new_bmcr;
4138                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4139                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4140                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4141                             ASIC_REV_5714) {
4142                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4143                                         bmsr |= BMSR_LSTATUS;
4144                                 else
4145                                         bmsr &= ~BMSR_LSTATUS;
4146                         }
4147                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4148                 }
4149         }
4150
4151         if (bmsr & BMSR_LSTATUS) {
4152                 current_speed = SPEED_1000;
4153                 current_link_up = 1;
4154                 if (bmcr & BMCR_FULLDPLX)
4155                         current_duplex = DUPLEX_FULL;
4156                 else
4157                         current_duplex = DUPLEX_HALF;
4158
4159                 local_adv = 0;
4160                 remote_adv = 0;
4161
4162                 if (bmcr & BMCR_ANENABLE) {
4163                         u32 common;
4164
4165                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4166                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4167                         common = local_adv & remote_adv;
4168                         if (common & (ADVERTISE_1000XHALF |
4169                                       ADVERTISE_1000XFULL)) {
4170                                 if (common & ADVERTISE_1000XFULL)
4171                                         current_duplex = DUPLEX_FULL;
4172                                 else
4173                                         current_duplex = DUPLEX_HALF;
4174                         }
4175                         else
4176                                 current_link_up = 0;
4177                 }
4178         }
4179
4180         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4181                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4182
4183         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4184         if (tp->link_config.active_duplex == DUPLEX_HALF)
4185                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4186
4187         tw32_f(MAC_MODE, tp->mac_mode);
4188         udelay(40);
4189
4190         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4191
4192         tp->link_config.active_speed = current_speed;
4193         tp->link_config.active_duplex = current_duplex;
4194
4195         if (current_link_up != netif_carrier_ok(tp->dev)) {
4196                 if (current_link_up)
4197                         netif_carrier_on(tp->dev);
4198                 else {
4199                         netif_carrier_off(tp->dev);
4200                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4201                 }
4202                 tg3_link_report(tp);
4203         }
4204         return err;
4205 }
4206
4207 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4208 {
4209         if (tp->serdes_counter) {
4210                 /* Give autoneg time to complete. */
4211                 tp->serdes_counter--;
4212                 return;
4213         }
4214         if (!netif_carrier_ok(tp->dev) &&
4215             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4216                 u32 bmcr;
4217
4218                 tg3_readphy(tp, MII_BMCR, &bmcr);
4219                 if (bmcr & BMCR_ANENABLE) {
4220                         u32 phy1, phy2;
4221
4222                         /* Select shadow register 0x1f */
4223                         tg3_writephy(tp, 0x1c, 0x7c00);
4224                         tg3_readphy(tp, 0x1c, &phy1);
4225
4226                         /* Select expansion interrupt status register */
4227                         tg3_writephy(tp, 0x17, 0x0f01);
4228                         tg3_readphy(tp, 0x15, &phy2);
4229                         tg3_readphy(tp, 0x15, &phy2);
4230
4231                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4232                                 /* We have signal detect and not receiving
4233                                  * config code words, link is up by parallel
4234                                  * detection.
4235                                  */
4236
4237                                 bmcr &= ~BMCR_ANENABLE;
4238                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4239                                 tg3_writephy(tp, MII_BMCR, bmcr);
4240                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4241                         }
4242                 }
4243         }
4244         else if (netif_carrier_ok(tp->dev) &&
4245                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4246                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4247                 u32 phy2;
4248
4249                 /* Select expansion interrupt status register */
4250                 tg3_writephy(tp, 0x17, 0x0f01);
4251                 tg3_readphy(tp, 0x15, &phy2);
4252                 if (phy2 & 0x20) {
4253                         u32 bmcr;
4254
4255                         /* Config code words received, turn on autoneg. */
4256                         tg3_readphy(tp, MII_BMCR, &bmcr);
4257                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4258
4259                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4260
4261                 }
4262         }
4263 }
4264
4265 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4266 {
4267         int err;
4268
4269         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4270                 err = tg3_setup_fiber_phy(tp, force_reset);
4271         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4272                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4273         } else {
4274                 err = tg3_setup_copper_phy(tp, force_reset);
4275         }
4276
4277         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4278                 u32 val, scale;
4279
4280                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4281                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4282                         scale = 65;
4283                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4284                         scale = 6;
4285                 else
4286                         scale = 12;
4287
4288                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4289                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4290                 tw32(GRC_MISC_CFG, val);
4291         }
4292
4293         if (tp->link_config.active_speed == SPEED_1000 &&
4294             tp->link_config.active_duplex == DUPLEX_HALF)
4295                 tw32(MAC_TX_LENGTHS,
4296                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4297                       (6 << TX_LENGTHS_IPG_SHIFT) |
4298                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4299         else
4300                 tw32(MAC_TX_LENGTHS,
4301                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4302                       (6 << TX_LENGTHS_IPG_SHIFT) |
4303                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4304
4305         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4306                 if (netif_carrier_ok(tp->dev)) {
4307                         tw32(HOSTCC_STAT_COAL_TICKS,
4308                              tp->coal.stats_block_coalesce_usecs);
4309                 } else {
4310                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4311                 }
4312         }
4313
4314         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4315                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4316                 if (!netif_carrier_ok(tp->dev))
4317                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4318                               tp->pwrmgmt_thresh;
4319                 else
4320                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4321                 tw32(PCIE_PWR_MGMT_THRESH, val);
4322         }
4323
4324         return err;
4325 }
4326
4327 /* This is called whenever we suspect that the system chipset is re-
4328  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4329  * is bogus tx completions. We try to recover by setting the
4330  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4331  * in the workqueue.
4332  */
4333 static void tg3_tx_recover(struct tg3 *tp)
4334 {
4335         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4336                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4337
4338         netdev_warn(tp->dev, "The system may be re-ordering memory-mapped I/O cycles to the network device, attempting to recover\n"
4339                     "Please report the problem to the driver maintainer and include system chipset information.\n");
4340
4341         spin_lock(&tp->lock);
4342         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4343         spin_unlock(&tp->lock);
4344 }
4345
4346 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4347 {
4348         smp_mb();
4349         return tnapi->tx_pending -
4350                ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4351 }
4352
4353 /* Tigon3 never reports partial packet sends.  So we do not
4354  * need special logic to handle SKBs that have not had all
4355  * of their frags sent yet, like SunGEM does.
4356  */
4357 static void tg3_tx(struct tg3_napi *tnapi)
4358 {
4359         struct tg3 *tp = tnapi->tp;
4360         u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4361         u32 sw_idx = tnapi->tx_cons;
4362         struct netdev_queue *txq;
4363         int index = tnapi - tp->napi;
4364
4365         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
4366                 index--;
4367
4368         txq = netdev_get_tx_queue(tp->dev, index);
4369
4370         while (sw_idx != hw_idx) {
4371                 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
4372                 struct sk_buff *skb = ri->skb;
4373                 int i, tx_bug = 0;
4374
4375                 if (unlikely(skb == NULL)) {
4376                         tg3_tx_recover(tp);
4377                         return;
4378                 }
4379
4380                 pci_unmap_single(tp->pdev,
4381                                  pci_unmap_addr(ri, mapping),
4382                                  skb_headlen(skb),
4383                                  PCI_DMA_TODEVICE);
4384
4385                 ri->skb = NULL;
4386
4387                 sw_idx = NEXT_TX(sw_idx);
4388
4389                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4390                         ri = &tnapi->tx_buffers[sw_idx];
4391                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4392                                 tx_bug = 1;
4393
4394                         pci_unmap_page(tp->pdev,
4395                                        pci_unmap_addr(ri, mapping),
4396                                        skb_shinfo(skb)->frags[i].size,
4397                                        PCI_DMA_TODEVICE);
4398                         sw_idx = NEXT_TX(sw_idx);
4399                 }
4400
4401                 dev_kfree_skb(skb);
4402
4403                 if (unlikely(tx_bug)) {
4404                         tg3_tx_recover(tp);
4405                         return;
4406                 }
4407         }
4408
4409         tnapi->tx_cons = sw_idx;
4410
4411         /* Need to make the tx_cons update visible to tg3_start_xmit()
4412          * before checking for netif_queue_stopped().  Without the
4413          * memory barrier, there is a small possibility that tg3_start_xmit()
4414          * will miss it and cause the queue to be stopped forever.
4415          */
4416         smp_mb();
4417
4418         if (unlikely(netif_tx_queue_stopped(txq) &&
4419                      (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4420                 __netif_tx_lock(txq, smp_processor_id());
4421                 if (netif_tx_queue_stopped(txq) &&
4422                     (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4423                         netif_tx_wake_queue(txq);
4424                 __netif_tx_unlock(txq);
4425         }
4426 }
4427
4428 static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4429 {
4430         if (!ri->skb)
4431                 return;
4432
4433         pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
4434                          map_sz, PCI_DMA_FROMDEVICE);
4435         dev_kfree_skb_any(ri->skb);
4436         ri->skb = NULL;
4437 }
4438
4439 /* Returns size of skb allocated or < 0 on error.
4440  *
4441  * We only need to fill in the address because the other members
4442  * of the RX descriptor are invariant, see tg3_init_rings.
4443  *
4444  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4445  * posting buffers we only dirty the first cache line of the RX
4446  * descriptor (containing the address).  Whereas for the RX status
4447  * buffers the cpu only reads the last cacheline of the RX descriptor
4448  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4449  */
4450 static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
4451                             u32 opaque_key, u32 dest_idx_unmasked)
4452 {
4453         struct tg3_rx_buffer_desc *desc;
4454         struct ring_info *map, *src_map;
4455         struct sk_buff *skb;
4456         dma_addr_t mapping;
4457         int skb_size, dest_idx;
4458
4459         src_map = NULL;
4460         switch (opaque_key) {
4461         case RXD_OPAQUE_RING_STD:
4462                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4463                 desc = &tpr->rx_std[dest_idx];
4464                 map = &tpr->rx_std_buffers[dest_idx];
4465                 skb_size = tp->rx_pkt_map_sz;
4466                 break;
4467
4468         case RXD_OPAQUE_RING_JUMBO:
4469                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4470                 desc = &tpr->rx_jmb[dest_idx].std;
4471                 map = &tpr->rx_jmb_buffers[dest_idx];
4472                 skb_size = TG3_RX_JMB_MAP_SZ;
4473                 break;
4474
4475         default:
4476                 return -EINVAL;
4477         }
4478
4479         /* Do not overwrite any of the map or rp information
4480          * until we are sure we can commit to a new buffer.
4481          *
4482          * Callers depend upon this behavior and assume that
4483          * we leave everything unchanged if we fail.
4484          */
4485         skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4486         if (skb == NULL)
4487                 return -ENOMEM;
4488
4489         skb_reserve(skb, tp->rx_offset);
4490
4491         mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4492                                  PCI_DMA_FROMDEVICE);
4493         if (pci_dma_mapping_error(tp->pdev, mapping)) {
4494                 dev_kfree_skb(skb);
4495                 return -EIO;
4496         }
4497
4498         map->skb = skb;
4499         pci_unmap_addr_set(map, mapping, mapping);
4500
4501         desc->addr_hi = ((u64)mapping >> 32);
4502         desc->addr_lo = ((u64)mapping & 0xffffffff);
4503
4504         return skb_size;
4505 }
4506
4507 /* We only need to move over in the address because the other
4508  * members of the RX descriptor are invariant.  See notes above
4509  * tg3_alloc_rx_skb for full details.
4510  */
4511 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4512                            struct tg3_rx_prodring_set *dpr,
4513                            u32 opaque_key, int src_idx,
4514                            u32 dest_idx_unmasked)
4515 {
4516         struct tg3 *tp = tnapi->tp;
4517         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4518         struct ring_info *src_map, *dest_map;
4519         int dest_idx;
4520         struct tg3_rx_prodring_set *spr = &tp->prodring[0];
4521
4522         switch (opaque_key) {
4523         case RXD_OPAQUE_RING_STD:
4524                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4525                 dest_desc = &dpr->rx_std[dest_idx];
4526                 dest_map = &dpr->rx_std_buffers[dest_idx];
4527                 src_desc = &spr->rx_std[src_idx];
4528                 src_map = &spr->rx_std_buffers[src_idx];
4529                 break;
4530
4531         case RXD_OPAQUE_RING_JUMBO:
4532                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4533                 dest_desc = &dpr->rx_jmb[dest_idx].std;
4534                 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4535                 src_desc = &spr->rx_jmb[src_idx].std;
4536                 src_map = &spr->rx_jmb_buffers[src_idx];
4537                 break;
4538
4539         default:
4540                 return;
4541         }
4542
4543         dest_map->skb = src_map->skb;
4544         pci_unmap_addr_set(dest_map, mapping,
4545                            pci_unmap_addr(src_map, mapping));
4546         dest_desc->addr_hi = src_desc->addr_hi;
4547         dest_desc->addr_lo = src_desc->addr_lo;
4548
4549         /* Ensure that the update to the skb happens after the physical
4550          * addresses have been transferred to the new BD location.
4551          */
4552         smp_wmb();
4553
4554         src_map->skb = NULL;
4555 }
4556
4557 /* The RX ring scheme is composed of multiple rings which post fresh
4558  * buffers to the chip, and one special ring the chip uses to report
4559  * status back to the host.
4560  *
4561  * The special ring reports the status of received packets to the
4562  * host.  The chip does not write into the original descriptor the
4563  * RX buffer was obtained from.  The chip simply takes the original
4564  * descriptor as provided by the host, updates the status and length
4565  * field, then writes this into the next status ring entry.
4566  *
4567  * Each ring the host uses to post buffers to the chip is described
4568  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4569  * it is first placed into the on-chip ram.  When the packet's length
4570  * is known, it walks down the TG3_BDINFO entries to select the ring.
4571  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4572  * which is within the range of the new packet's length is chosen.
4573  *
4574  * The "separate ring for rx status" scheme may sound queer, but it makes
4575  * sense from a cache coherency perspective.  If only the host writes
4576  * to the buffer post rings, and only the chip writes to the rx status
4577  * rings, then cache lines never move beyond shared-modified state.
4578  * If both the host and chip were to write into the same ring, cache line
4579  * eviction could occur since both entities want it in an exclusive state.
4580  */
4581 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4582 {
4583         struct tg3 *tp = tnapi->tp;
4584         u32 work_mask, rx_std_posted = 0;
4585         u32 std_prod_idx, jmb_prod_idx;
4586         u32 sw_idx = tnapi->rx_rcb_ptr;
4587         u16 hw_idx;
4588         int received;
4589         struct tg3_rx_prodring_set *tpr = tnapi->prodring;
4590
4591         hw_idx = *(tnapi->rx_rcb_prod_idx);
4592         /*
4593          * We need to order the read of hw_idx and the read of
4594          * the opaque cookie.
4595          */
4596         rmb();
4597         work_mask = 0;
4598         received = 0;
4599         std_prod_idx = tpr->rx_std_prod_idx;
4600         jmb_prod_idx = tpr->rx_jmb_prod_idx;
4601         while (sw_idx != hw_idx && budget > 0) {
4602                 struct ring_info *ri;
4603                 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4604                 unsigned int len;
4605                 struct sk_buff *skb;
4606                 dma_addr_t dma_addr;
4607                 u32 opaque_key, desc_idx, *post_ptr;
4608
4609                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4610                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4611                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4612                         ri = &tp->prodring[0].rx_std_buffers[desc_idx];
4613                         dma_addr = pci_unmap_addr(ri, mapping);
4614                         skb = ri->skb;
4615                         post_ptr = &std_prod_idx;
4616                         rx_std_posted++;
4617                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4618                         ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
4619                         dma_addr = pci_unmap_addr(ri, mapping);
4620                         skb = ri->skb;
4621                         post_ptr = &jmb_prod_idx;
4622                 } else
4623                         goto next_pkt_nopost;
4624
4625                 work_mask |= opaque_key;
4626
4627                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4628                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4629                 drop_it:
4630                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4631                                        desc_idx, *post_ptr);
4632                 drop_it_no_recycle:
4633                         /* Other statistics kept track of by card. */
4634                         tp->net_stats.rx_dropped++;
4635                         goto next_pkt;
4636                 }
4637
4638                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4639                       ETH_FCS_LEN;
4640
4641                 if (len > RX_COPY_THRESHOLD &&
4642                     tp->rx_offset == NET_IP_ALIGN) {
4643                     /* rx_offset will likely not equal NET_IP_ALIGN
4644                      * if this is a 5701 card running in PCI-X mode
4645                      * [see tg3_get_invariants()]
4646                      */
4647                         int skb_size;
4648
4649                         skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
4650                                                     *post_ptr);
4651                         if (skb_size < 0)
4652                                 goto drop_it;
4653
4654                         pci_unmap_single(tp->pdev, dma_addr, skb_size,
4655                                          PCI_DMA_FROMDEVICE);
4656
4657                         /* Ensure that the update to the skb happens
4658                          * after the usage of the old DMA mapping.
4659                          */
4660                         smp_wmb();
4661
4662                         ri->skb = NULL;
4663
4664                         skb_put(skb, len);
4665                 } else {
4666                         struct sk_buff *copy_skb;
4667
4668                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4669                                        desc_idx, *post_ptr);
4670
4671                         copy_skb = netdev_alloc_skb(tp->dev,
4672                                                     len + TG3_RAW_IP_ALIGN);
4673                         if (copy_skb == NULL)
4674                                 goto drop_it_no_recycle;
4675
4676                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4677                         skb_put(copy_skb, len);
4678                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4679                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4680                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4681
4682                         /* We'll reuse the original ring buffer. */
4683                         skb = copy_skb;
4684                 }
4685
4686                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4687                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4688                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4689                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4690                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4691                 else
4692                         skb->ip_summed = CHECKSUM_NONE;
4693
4694                 skb->protocol = eth_type_trans(skb, tp->dev);
4695
4696                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4697                     skb->protocol != htons(ETH_P_8021Q)) {
4698                         dev_kfree_skb(skb);
4699                         goto next_pkt;
4700                 }
4701
4702 #if TG3_VLAN_TAG_USED
4703                 if (tp->vlgrp != NULL &&
4704                     desc->type_flags & RXD_FLAG_VLAN) {
4705                         vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4706                                          desc->err_vlan & RXD_VLAN_MASK, skb);
4707                 } else
4708 #endif
4709                         napi_gro_receive(&tnapi->napi, skb);
4710
4711                 received++;
4712                 budget--;
4713
4714 next_pkt:
4715                 (*post_ptr)++;
4716
4717                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4718                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4719                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4720                                      tpr->rx_std_prod_idx);
4721                         work_mask &= ~RXD_OPAQUE_RING_STD;
4722                         rx_std_posted = 0;
4723                 }
4724 next_pkt_nopost:
4725                 sw_idx++;
4726                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4727
4728                 /* Refresh hw_idx to see if there is new work */
4729                 if (sw_idx == hw_idx) {
4730                         hw_idx = *(tnapi->rx_rcb_prod_idx);
4731                         rmb();
4732                 }
4733         }
4734
4735         /* ACK the status ring. */
4736         tnapi->rx_rcb_ptr = sw_idx;
4737         tw32_rx_mbox(tnapi->consmbox, sw_idx);
4738
4739         /* Refill RX ring(s). */
4740         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4741                 if (work_mask & RXD_OPAQUE_RING_STD) {
4742                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4743                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4744                                      tpr->rx_std_prod_idx);
4745                 }
4746                 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4747                         tpr->rx_jmb_prod_idx = jmb_prod_idx %
4748                                                TG3_RX_JUMBO_RING_SIZE;
4749                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4750                                      tpr->rx_jmb_prod_idx);
4751                 }
4752                 mmiowb();
4753         } else if (work_mask) {
4754                 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4755                  * updated before the producer indices can be updated.
4756                  */
4757                 smp_wmb();
4758
4759                 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4760                 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
4761
4762                 if (tnapi != &tp->napi[1])
4763                         napi_schedule(&tp->napi[1].napi);
4764         }
4765
4766         return received;
4767 }
4768
4769 static void tg3_poll_link(struct tg3 *tp)
4770 {
4771         /* handle link change and other phy events */
4772         if (!(tp->tg3_flags &
4773               (TG3_FLAG_USE_LINKCHG_REG |
4774                TG3_FLAG_POLL_SERDES))) {
4775                 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4776
4777                 if (sblk->status & SD_STATUS_LINK_CHG) {
4778                         sblk->status = SD_STATUS_UPDATED |
4779                                        (sblk->status & ~SD_STATUS_LINK_CHG);
4780                         spin_lock(&tp->lock);
4781                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4782                                 tw32_f(MAC_STATUS,
4783                                      (MAC_STATUS_SYNC_CHANGED |
4784                                       MAC_STATUS_CFG_CHANGED |
4785                                       MAC_STATUS_MI_COMPLETION |
4786                                       MAC_STATUS_LNKSTATE_CHANGED));
4787                                 udelay(40);
4788                         } else
4789                                 tg3_setup_phy(tp, 0);
4790                         spin_unlock(&tp->lock);
4791                 }
4792         }
4793 }
4794
4795 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4796                                 struct tg3_rx_prodring_set *dpr,
4797                                 struct tg3_rx_prodring_set *spr)
4798 {
4799         u32 si, di, cpycnt, src_prod_idx;
4800         int i, err = 0;
4801
4802         while (1) {
4803                 src_prod_idx = spr->rx_std_prod_idx;
4804
4805                 /* Make sure updates to the rx_std_buffers[] entries and the
4806                  * standard producer index are seen in the correct order.
4807                  */
4808                 smp_rmb();
4809
4810                 if (spr->rx_std_cons_idx == src_prod_idx)
4811                         break;
4812
4813                 if (spr->rx_std_cons_idx < src_prod_idx)
4814                         cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4815                 else
4816                         cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4817
4818                 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4819
4820                 si = spr->rx_std_cons_idx;
4821                 di = dpr->rx_std_prod_idx;
4822
4823                 for (i = di; i < di + cpycnt; i++) {
4824                         if (dpr->rx_std_buffers[i].skb) {
4825                                 cpycnt = i - di;
4826                                 err = -ENOSPC;
4827                                 break;
4828                         }
4829                 }
4830
4831                 if (!cpycnt)
4832                         break;
4833
4834                 /* Ensure that updates to the rx_std_buffers ring and the
4835                  * shadowed hardware producer ring from tg3_recycle_skb() are
4836                  * ordered correctly WRT the skb check above.
4837                  */
4838                 smp_rmb();
4839
4840                 memcpy(&dpr->rx_std_buffers[di],
4841                        &spr->rx_std_buffers[si],
4842                        cpycnt * sizeof(struct ring_info));
4843
4844                 for (i = 0; i < cpycnt; i++, di++, si++) {
4845                         struct tg3_rx_buffer_desc *sbd, *dbd;
4846                         sbd = &spr->rx_std[si];
4847                         dbd = &dpr->rx_std[di];
4848                         dbd->addr_hi = sbd->addr_hi;
4849                         dbd->addr_lo = sbd->addr_lo;
4850                 }
4851
4852                 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4853                                        TG3_RX_RING_SIZE;
4854                 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4855                                        TG3_RX_RING_SIZE;
4856         }
4857
4858         while (1) {
4859                 src_prod_idx = spr->rx_jmb_prod_idx;
4860
4861                 /* Make sure updates to the rx_jmb_buffers[] entries and
4862                  * the jumbo producer index are seen in the correct order.
4863                  */
4864                 smp_rmb();
4865
4866                 if (spr->rx_jmb_cons_idx == src_prod_idx)
4867                         break;
4868
4869                 if (spr->rx_jmb_cons_idx < src_prod_idx)
4870                         cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4871                 else
4872                         cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4873
4874                 cpycnt = min(cpycnt,
4875                              TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4876
4877                 si = spr->rx_jmb_cons_idx;
4878                 di = dpr->rx_jmb_prod_idx;
4879
4880                 for (i = di; i < di + cpycnt; i++) {
4881                         if (dpr->rx_jmb_buffers[i].skb) {
4882                                 cpycnt = i - di;
4883                                 err = -ENOSPC;
4884                                 break;
4885                         }
4886                 }
4887
4888                 if (!cpycnt)
4889                         break;
4890
4891                 /* Ensure that updates to the rx_jmb_buffers ring and the
4892                  * shadowed hardware producer ring from tg3_recycle_skb() are
4893                  * ordered correctly WRT the skb check above.
4894                  */
4895                 smp_rmb();
4896
4897                 memcpy(&dpr->rx_jmb_buffers[di],
4898                        &spr->rx_jmb_buffers[si],
4899                        cpycnt * sizeof(struct ring_info));
4900
4901                 for (i = 0; i < cpycnt; i++, di++, si++) {
4902                         struct tg3_rx_buffer_desc *sbd, *dbd;
4903                         sbd = &spr->rx_jmb[si].std;
4904                         dbd = &dpr->rx_jmb[di].std;
4905                         dbd->addr_hi = sbd->addr_hi;
4906                         dbd->addr_lo = sbd->addr_lo;
4907                 }
4908
4909                 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4910                                        TG3_RX_JUMBO_RING_SIZE;
4911                 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4912                                        TG3_RX_JUMBO_RING_SIZE;
4913         }
4914
4915         return err;
4916 }
4917
4918 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4919 {
4920         struct tg3 *tp = tnapi->tp;
4921
4922         /* run TX completion thread */
4923         if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4924                 tg3_tx(tnapi);
4925                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4926                         return work_done;
4927         }
4928
4929         /* run RX thread, within the bounds set by NAPI.
4930          * All RX "locking" is done by ensuring outside
4931          * code synchronizes with tg3->napi.poll()
4932          */
4933         if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4934                 work_done += tg3_rx(tnapi, budget - work_done);
4935
4936         if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4937                 struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
4938                 int i, err = 0;
4939                 u32 std_prod_idx = dpr->rx_std_prod_idx;
4940                 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
4941
4942                 for (i = 1; i < tp->irq_cnt; i++)
4943                         err |= tg3_rx_prodring_xfer(tp, dpr,
4944                                                     tp->napi[i].prodring);
4945
4946                 wmb();
4947
4948                 if (std_prod_idx != dpr->rx_std_prod_idx)
4949                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4950                                      dpr->rx_std_prod_idx);
4951
4952                 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
4953                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4954                                      dpr->rx_jmb_prod_idx);
4955
4956                 mmiowb();
4957
4958                 if (err)
4959                         tw32_f(HOSTCC_MODE, tp->coal_now);
4960         }
4961
4962         return work_done;
4963 }
4964
4965 static int tg3_poll_msix(struct napi_struct *napi, int budget)
4966 {
4967         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4968         struct tg3 *tp = tnapi->tp;
4969         int work_done = 0;
4970         struct tg3_hw_status *sblk = tnapi->hw_status;
4971
4972         while (1) {
4973                 work_done = tg3_poll_work(tnapi, work_done, budget);
4974
4975                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4976                         goto tx_recovery;
4977
4978                 if (unlikely(work_done >= budget))
4979                         break;
4980
4981                 /* tp->last_tag is used in tg3_restart_ints() below
4982                  * to tell the hw how much work has been processed,
4983                  * so we must read it before checking for more work.
4984                  */
4985                 tnapi->last_tag = sblk->status_tag;
4986                 tnapi->last_irq_tag = tnapi->last_tag;
4987                 rmb();
4988
4989                 /* check for RX/TX work to do */
4990                 if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4991                     *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
4992                         napi_complete(napi);
4993                         /* Reenable interrupts. */
4994                         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
4995                         mmiowb();
4996                         break;
4997                 }
4998         }
4999
5000         return work_done;
5001
5002 tx_recovery:
5003         /* work_done is guaranteed to be less than budget. */
5004         napi_complete(napi);
5005         schedule_work(&tp->reset_task);
5006         return work_done;
5007 }
5008
5009 static int tg3_poll(struct napi_struct *napi, int budget)
5010 {
5011         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5012         struct tg3 *tp = tnapi->tp;
5013         int work_done = 0;
5014         struct tg3_hw_status *sblk = tnapi->hw_status;
5015
5016         while (1) {
5017                 tg3_poll_link(tp);
5018
5019                 work_done = tg3_poll_work(tnapi, work_done, budget);
5020
5021                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5022                         goto tx_recovery;
5023
5024                 if (unlikely(work_done >= budget))
5025                         break;
5026
5027                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5028                         /* tp->last_tag is used in tg3_int_reenable() below
5029                          * to tell the hw how much work has been processed,
5030                          * so we must read it before checking for more work.
5031                          */
5032                         tnapi->last_tag = sblk->status_tag;
5033                         tnapi->last_irq_tag = tnapi->last_tag;
5034                         rmb();
5035                 } else
5036                         sblk->status &= ~SD_STATUS_UPDATED;
5037
5038                 if (likely(!tg3_has_work(tnapi))) {
5039                         napi_complete(napi);
5040                         tg3_int_reenable(tnapi);
5041                         break;
5042                 }
5043         }
5044
5045         return work_done;
5046
5047 tx_recovery:
5048         /* work_done is guaranteed to be less than budget. */
5049         napi_complete(napi);
5050         schedule_work(&tp->reset_task);
5051         return work_done;
5052 }
5053
5054 static void tg3_irq_quiesce(struct tg3 *tp)
5055 {
5056         int i;
5057
5058         BUG_ON(tp->irq_sync);
5059
5060         tp->irq_sync = 1;
5061         smp_mb();
5062
5063         for (i = 0; i < tp->irq_cnt; i++)
5064                 synchronize_irq(tp->napi[i].irq_vec);
5065 }
5066
5067 static inline int tg3_irq_sync(struct tg3 *tp)
5068 {
5069         return tp->irq_sync;
5070 }
5071
5072 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5073  * If irq_sync is non-zero, then the IRQ handler must be synchronized
5074  * with as well.  Most of the time, this is not necessary except when
5075  * shutting down the device.
5076  */
5077 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5078 {
5079         spin_lock_bh(&tp->lock);
5080         if (irq_sync)
5081                 tg3_irq_quiesce(tp);
5082 }
5083
5084 static inline void tg3_full_unlock(struct tg3 *tp)
5085 {
5086         spin_unlock_bh(&tp->lock);
5087 }
5088
5089 /* One-shot MSI handler - Chip automatically disables interrupt
5090  * after sending MSI so driver doesn't have to do it.
5091  */
5092 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5093 {
5094         struct tg3_napi *tnapi = dev_id;
5095         struct tg3 *tp = tnapi->tp;
5096
5097         prefetch(tnapi->hw_status);
5098         if (tnapi->rx_rcb)
5099                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5100
5101         if (likely(!tg3_irq_sync(tp)))
5102                 napi_schedule(&tnapi->napi);
5103
5104         return IRQ_HANDLED;
5105 }
5106
5107 /* MSI ISR - No need to check for interrupt sharing and no need to
5108  * flush status block and interrupt mailbox. PCI ordering rules
5109  * guarantee that MSI will arrive after the status block.
5110  */
5111 static irqreturn_t tg3_msi(int irq, void *dev_id)
5112 {
5113         struct tg3_napi *tnapi = dev_id;
5114         struct tg3 *tp = tnapi->tp;
5115
5116         prefetch(tnapi->hw_status);
5117         if (tnapi->rx_rcb)
5118                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5119         /*
5120          * Writing any value to intr-mbox-0 clears PCI INTA# and
5121          * chip-internal interrupt pending events.
5122          * Writing non-zero to intr-mbox-0 additional tells the
5123          * NIC to stop sending us irqs, engaging "in-intr-handler"
5124          * event coalescing.
5125          */
5126         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5127         if (likely(!tg3_irq_sync(tp)))
5128                 napi_schedule(&tnapi->napi);
5129
5130         return IRQ_RETVAL(1);
5131 }
5132
5133 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5134 {
5135         struct tg3_napi *tnapi = dev_id;
5136         struct tg3 *tp = tnapi->tp;
5137         struct tg3_hw_status *sblk = tnapi->hw_status;
5138         unsigned int handled = 1;
5139
5140         /* In INTx mode, it is possible for the interrupt to arrive at
5141          * the CPU before the status block posted prior to the interrupt.
5142          * Reading the PCI State register will confirm whether the
5143          * interrupt is ours and will flush the status block.
5144          */
5145         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5146                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5147                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5148                         handled = 0;
5149                         goto out;
5150                 }
5151         }
5152
5153         /*
5154          * Writing any value to intr-mbox-0 clears PCI INTA# and
5155          * chip-internal interrupt pending events.
5156          * Writing non-zero to intr-mbox-0 additional tells the
5157          * NIC to stop sending us irqs, engaging "in-intr-handler"
5158          * event coalescing.
5159          *
5160          * Flush the mailbox to de-assert the IRQ immediately to prevent
5161          * spurious interrupts.  The flush impacts performance but
5162          * excessive spurious interrupts can be worse in some cases.
5163          */
5164         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5165         if (tg3_irq_sync(tp))
5166                 goto out;
5167         sblk->status &= ~SD_STATUS_UPDATED;
5168         if (likely(tg3_has_work(tnapi))) {
5169                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5170                 napi_schedule(&tnapi->napi);
5171         } else {
5172                 /* No work, shared interrupt perhaps?  re-enable
5173                  * interrupts, and flush that PCI write
5174                  */
5175                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5176                                0x00000000);
5177         }
5178 out:
5179         return IRQ_RETVAL(handled);
5180 }
5181
5182 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5183 {
5184         struct tg3_napi *tnapi = dev_id;
5185         struct tg3 *tp = tnapi->tp;
5186         struct tg3_hw_status *sblk = tnapi->hw_status;
5187         unsigned int handled = 1;
5188
5189         /* In INTx mode, it is possible for the interrupt to arrive at
5190          * the CPU before the status block posted prior to the interrupt.
5191          * Reading the PCI State register will confirm whether the
5192          * interrupt is ours and will flush the status block.
5193          */
5194         if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5195                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5196                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5197                         handled = 0;
5198                         goto out;
5199                 }
5200         }
5201
5202         /*
5203          * writing any value to intr-mbox-0 clears PCI INTA# and
5204          * chip-internal interrupt pending events.
5205          * writing non-zero to intr-mbox-0 additional tells the
5206          * NIC to stop sending us irqs, engaging "in-intr-handler"
5207          * event coalescing.
5208          *
5209          * Flush the mailbox to de-assert the IRQ immediately to prevent
5210          * spurious interrupts.  The flush impacts performance but
5211          * excessive spurious interrupts can be worse in some cases.
5212          */
5213         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5214
5215         /*
5216          * In a shared interrupt configuration, sometimes other devices'
5217          * interrupts will scream.  We record the current status tag here
5218          * so that the above check can report that the screaming interrupts
5219          * are unhandled.  Eventually they will be silenced.
5220          */
5221         tnapi->last_irq_tag = sblk->status_tag;
5222
5223         if (tg3_irq_sync(tp))
5224                 goto out;
5225
5226         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5227
5228         napi_schedule(&tnapi->napi);
5229
5230 out:
5231         return IRQ_RETVAL(handled);
5232 }
5233
5234 /* ISR for interrupt test */
5235 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5236 {
5237         struct tg3_napi *tnapi = dev_id;
5238         struct tg3 *tp = tnapi->tp;
5239         struct tg3_hw_status *sblk = tnapi->hw_status;
5240
5241         if ((sblk->status & SD_STATUS_UPDATED) ||
5242             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5243                 tg3_disable_ints(tp);
5244                 return IRQ_RETVAL(1);
5245         }
5246         return IRQ_RETVAL(0);
5247 }
5248
5249 static int tg3_init_hw(struct tg3 *, int);
5250 static int tg3_halt(struct tg3 *, int, int);
5251
5252 /* Restart hardware after configuration changes, self-test, etc.
5253  * Invoked with tp->lock held.
5254  */
5255 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5256         __releases(tp->lock)
5257         __acquires(tp->lock)
5258 {
5259         int err;
5260
5261         err = tg3_init_hw(tp, reset_phy);
5262         if (err) {
5263                 netdev_err(tp->dev, "Failed to re-initialize device, aborting\n");
5264                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5265                 tg3_full_unlock(tp);
5266                 del_timer_sync(&tp->timer);
5267                 tp->irq_sync = 0;
5268                 tg3_napi_enable(tp);
5269                 dev_close(tp->dev);
5270                 tg3_full_lock(tp, 0);
5271         }
5272         return err;
5273 }
5274
5275 #ifdef CONFIG_NET_POLL_CONTROLLER
5276 static void tg3_poll_controller(struct net_device *dev)
5277 {
5278         int i;
5279         struct tg3 *tp = netdev_priv(dev);
5280
5281         for (i = 0; i < tp->irq_cnt; i++)
5282                 tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
5283 }
5284 #endif
5285
5286 static void tg3_reset_task(struct work_struct *work)
5287 {
5288         struct tg3 *tp = container_of(work, struct tg3, reset_task);
5289         int err;
5290         unsigned int restart_timer;
5291
5292         tg3_full_lock(tp, 0);
5293
5294         if (!netif_running(tp->dev)) {
5295                 tg3_full_unlock(tp);
5296                 return;
5297         }
5298
5299         tg3_full_unlock(tp);
5300
5301         tg3_phy_stop(tp);
5302
5303         tg3_netif_stop(tp);
5304
5305         tg3_full_lock(tp, 1);
5306
5307         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5308         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5309
5310         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5311                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5312                 tp->write32_rx_mbox = tg3_write_flush_reg32;
5313                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5314                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5315         }
5316
5317         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5318         err = tg3_init_hw(tp, 1);
5319         if (err)
5320                 goto out;
5321
5322         tg3_netif_start(tp);
5323
5324         if (restart_timer)
5325                 mod_timer(&tp->timer, jiffies + 1);
5326
5327 out:
5328         tg3_full_unlock(tp);
5329
5330         if (!err)
5331                 tg3_phy_start(tp);
5332 }
5333
5334 static void tg3_dump_short_state(struct tg3 *tp)
5335 {
5336         netdev_err(tp->dev, "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5337                    tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5338         netdev_err(tp->dev, "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5339                    tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5340 }
5341
5342 static void tg3_tx_timeout(struct net_device *dev)
5343 {
5344         struct tg3 *tp = netdev_priv(dev);
5345
5346         if (netif_msg_tx_err(tp)) {
5347                 netdev_err(dev, "transmit timed out, resetting\n");
5348                 tg3_dump_short_state(tp);
5349         }
5350
5351         schedule_work(&tp->reset_task);
5352 }
5353
5354 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5355 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5356 {
5357         u32 base = (u32) mapping & 0xffffffff;
5358
5359         return ((base > 0xffffdcc0) &&
5360                 (base + len + 8 < base));
5361 }
5362
5363 /* Test for DMA addresses > 40-bit */
5364 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5365                                           int len)
5366 {
5367 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5368         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5369                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5370         return 0;
5371 #else
5372         return 0;
5373 #endif
5374 }
5375
5376 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5377
5378 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5379 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5380                                        struct sk_buff *skb, u32 last_plus_one,
5381                                        u32 *start, u32 base_flags, u32 mss)
5382 {
5383         struct tg3 *tp = tnapi->tp;
5384         struct sk_buff *new_skb;
5385         dma_addr_t new_addr = 0;
5386         u32 entry = *start;
5387         int i, ret = 0;
5388
5389         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5390                 new_skb = skb_copy(skb, GFP_ATOMIC);
5391         else {
5392                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5393
5394                 new_skb = skb_copy_expand(skb,
5395                                           skb_headroom(skb) + more_headroom,
5396                                           skb_tailroom(skb), GFP_ATOMIC);
5397         }
5398
5399         if (!new_skb) {
5400                 ret = -1;
5401         } else {
5402                 /* New SKB is guaranteed to be linear. */
5403                 entry = *start;
5404                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5405                                           PCI_DMA_TODEVICE);
5406                 /* Make sure the mapping succeeded */
5407                 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5408                         ret = -1;
5409                         dev_kfree_skb(new_skb);
5410                         new_skb = NULL;
5411
5412                 /* Make sure new skb does not cross any 4G boundaries.
5413                  * Drop the packet if it does.
5414                  */
5415                 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5416                             tg3_4g_overflow_test(new_addr, new_skb->len)) {
5417                         pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5418                                          PCI_DMA_TODEVICE);
5419                         ret = -1;
5420                         dev_kfree_skb(new_skb);
5421                         new_skb = NULL;
5422                 } else {
5423                         tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5424                                     base_flags, 1 | (mss << 1));
5425                         *start = NEXT_TX(entry);
5426                 }
5427         }
5428
5429         /* Now clean up the sw ring entries. */
5430         i = 0;
5431         while (entry != last_plus_one) {
5432                 int len;
5433
5434                 if (i == 0)
5435                         len = skb_headlen(skb);
5436                 else
5437                         len = skb_shinfo(skb)->frags[i-1].size;
5438
5439                 pci_unmap_single(tp->pdev,
5440                                  pci_unmap_addr(&tnapi->tx_buffers[entry],
5441                                                 mapping),
5442                                  len, PCI_DMA_TODEVICE);
5443                 if (i == 0) {
5444                         tnapi->tx_buffers[entry].skb = new_skb;
5445                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5446                                            new_addr);
5447                 } else {
5448                         tnapi->tx_buffers[entry].skb = NULL;
5449                 }
5450                 entry = NEXT_TX(entry);
5451                 i++;
5452         }
5453
5454         dev_kfree_skb(skb);
5455
5456         return ret;
5457 }
5458
5459 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5460                         dma_addr_t mapping, int len, u32 flags,
5461                         u32 mss_and_is_end)
5462 {
5463         struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5464         int is_end = (mss_and_is_end & 0x1);
5465         u32 mss = (mss_and_is_end >> 1);
5466         u32 vlan_tag = 0;
5467
5468         if (is_end)
5469                 flags |= TXD_FLAG_END;
5470         if (flags & TXD_FLAG_VLAN) {
5471                 vlan_tag = flags >> 16;
5472                 flags &= 0xffff;
5473         }
5474         vlan_tag |= (mss << TXD_MSS_SHIFT);
5475
5476         txd->addr_hi = ((u64) mapping >> 32);
5477         txd->addr_lo = ((u64) mapping & 0xffffffff);
5478         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5479         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5480 }
5481
5482 /* hard_start_xmit for devices that don't have any bugs and
5483  * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5484  */
5485 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5486                                   struct net_device *dev)
5487 {
5488         struct tg3 *tp = netdev_priv(dev);
5489         u32 len, entry, base_flags, mss;
5490         dma_addr_t mapping;
5491         struct tg3_napi *tnapi;
5492         struct netdev_queue *txq;
5493         unsigned int i, last;
5494
5495
5496         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5497         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5498         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5499                 tnapi++;
5500
5501         /* We are running in BH disabled context with netif_tx_lock
5502          * and TX reclaim runs via tp->napi.poll inside of a software
5503          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5504          * no IRQ context deadlocks to worry about either.  Rejoice!
5505          */
5506         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5507                 if (!netif_tx_queue_stopped(txq)) {
5508                         netif_tx_stop_queue(txq);
5509
5510                         /* This is a hard error, log it. */
5511                         netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
5512                 }
5513                 return NETDEV_TX_BUSY;
5514         }
5515
5516         entry = tnapi->tx_prod;
5517         base_flags = 0;
5518         mss = 0;
5519         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5520                 int tcp_opt_len, ip_tcp_len;
5521                 u32 hdrlen;
5522
5523                 if (skb_header_cloned(skb) &&
5524                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5525                         dev_kfree_skb(skb);
5526                         goto out_unlock;
5527                 }
5528
5529                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5530                         hdrlen = skb_headlen(skb) - ETH_HLEN;
5531                 else {
5532                         struct iphdr *iph = ip_hdr(skb);
5533
5534                         tcp_opt_len = tcp_optlen(skb);
5535                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5536
5537                         iph->check = 0;
5538                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5539                         hdrlen = ip_tcp_len + tcp_opt_len;
5540                 }
5541
5542                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5543                         mss |= (hdrlen & 0xc) << 12;
5544                         if (hdrlen & 0x10)
5545                                 base_flags |= 0x00000010;
5546                         base_flags |= (hdrlen & 0x3e0) << 5;
5547                 } else
5548                         mss |= hdrlen << 9;
5549
5550                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5551                                TXD_FLAG_CPU_POST_DMA);
5552
5553                 tcp_hdr(skb)->check = 0;
5554
5555         }
5556         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5557                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5558 #if TG3_VLAN_TAG_USED
5559         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5560                 base_flags |= (TXD_FLAG_VLAN |
5561                                (vlan_tx_tag_get(skb) << 16));
5562 #endif
5563
5564         len = skb_headlen(skb);
5565
5566         /* Queue skb data, a.k.a. the main skb fragment. */
5567         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5568         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5569                 dev_kfree_skb(skb);
5570                 goto out_unlock;
5571         }
5572
5573         tnapi->tx_buffers[entry].skb = skb;
5574         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5575
5576         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5577             !mss && skb->len > ETH_DATA_LEN)
5578                 base_flags |= TXD_FLAG_JMB_PKT;
5579
5580         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5581                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5582
5583         entry = NEXT_TX(entry);
5584
5585         /* Now loop through additional data fragments, and queue them. */
5586         if (skb_shinfo(skb)->nr_frags > 0) {
5587                 last = skb_shinfo(skb)->nr_frags - 1;
5588                 for (i = 0; i <= last; i++) {
5589                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5590
5591                         len = frag->size;
5592                         mapping = pci_map_page(tp->pdev,
5593                                                frag->page,
5594                                                frag->page_offset,
5595                                                len, PCI_DMA_TODEVICE);
5596                         if (pci_dma_mapping_error(tp->pdev, mapping))
5597                                 goto dma_error;
5598
5599                         tnapi->tx_buffers[entry].skb = NULL;
5600                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5601                                            mapping);
5602
5603                         tg3_set_txd(tnapi, entry, mapping, len,
5604                                     base_flags, (i == last) | (mss << 1));
5605
5606                         entry = NEXT_TX(entry);
5607                 }
5608         }
5609
5610         /* Packets are ready, update Tx producer idx local and on card. */
5611         tw32_tx_mbox(tnapi->prodmbox, entry);
5612
5613         tnapi->tx_prod = entry;
5614         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5615                 netif_tx_stop_queue(txq);
5616                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5617                         netif_tx_wake_queue(txq);
5618         }
5619
5620 out_unlock:
5621         mmiowb();
5622
5623         return NETDEV_TX_OK;
5624
5625 dma_error:
5626         last = i;
5627         entry = tnapi->tx_prod;
5628         tnapi->tx_buffers[entry].skb = NULL;
5629         pci_unmap_single(tp->pdev,
5630                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5631                          skb_headlen(skb),
5632                          PCI_DMA_TODEVICE);
5633         for (i = 0; i <= last; i++) {
5634                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5635                 entry = NEXT_TX(entry);
5636
5637                 pci_unmap_page(tp->pdev,
5638                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5639                                               mapping),
5640                                frag->size, PCI_DMA_TODEVICE);
5641         }
5642
5643         dev_kfree_skb(skb);
5644         return NETDEV_TX_OK;
5645 }
5646
5647 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5648                                           struct net_device *);
5649
5650 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5651  * TSO header is greater than 80 bytes.
5652  */
5653 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5654 {
5655         struct sk_buff *segs, *nskb;
5656         u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5657
5658         /* Estimate the number of fragments in the worst case */
5659         if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5660                 netif_stop_queue(tp->dev);
5661                 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5662                         return NETDEV_TX_BUSY;
5663
5664                 netif_wake_queue(tp->dev);
5665         }
5666
5667         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5668         if (IS_ERR(segs))
5669                 goto tg3_tso_bug_end;
5670
5671         do {
5672                 nskb = segs;
5673                 segs = segs->next;
5674                 nskb->next = NULL;
5675                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5676         } while (segs);
5677
5678 tg3_tso_bug_end:
5679         dev_kfree_skb(skb);
5680
5681         return NETDEV_TX_OK;
5682 }
5683
5684 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5685  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5686  */
5687 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5688                                           struct net_device *dev)
5689 {
5690         struct tg3 *tp = netdev_priv(dev);
5691         u32 len, entry, base_flags, mss;
5692         int would_hit_hwbug;
5693         dma_addr_t mapping;
5694         struct tg3_napi *tnapi;
5695         struct netdev_queue *txq;
5696         unsigned int i, last;
5697
5698
5699         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5700         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5701         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5702                 tnapi++;
5703
5704         /* We are running in BH disabled context with netif_tx_lock
5705          * and TX reclaim runs via tp->napi.poll inside of a software
5706          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5707          * no IRQ context deadlocks to worry about either.  Rejoice!
5708          */
5709         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5710                 if (!netif_tx_queue_stopped(txq)) {
5711                         netif_tx_stop_queue(txq);
5712
5713                         /* This is a hard error, log it. */
5714                         netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
5715                 }
5716                 return NETDEV_TX_BUSY;
5717         }
5718
5719         entry = tnapi->tx_prod;
5720         base_flags = 0;
5721         if (skb->ip_summed == CHECKSUM_PARTIAL)
5722                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5723
5724         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5725                 struct iphdr *iph;
5726                 u32 tcp_opt_len, ip_tcp_len, hdr_len;
5727
5728                 if (skb_header_cloned(skb) &&
5729                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5730                         dev_kfree_skb(skb);
5731                         goto out_unlock;
5732                 }
5733
5734                 tcp_opt_len = tcp_optlen(skb);
5735                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5736
5737                 hdr_len = ip_tcp_len + tcp_opt_len;
5738                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5739                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5740                         return (tg3_tso_bug(tp, skb));
5741
5742                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5743                                TXD_FLAG_CPU_POST_DMA);
5744
5745                 iph = ip_hdr(skb);
5746                 iph->check = 0;
5747                 iph->tot_len = htons(mss + hdr_len);
5748                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5749                         tcp_hdr(skb)->check = 0;
5750                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5751                 } else
5752                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5753                                                                  iph->daddr, 0,
5754                                                                  IPPROTO_TCP,
5755                                                                  0);
5756
5757                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5758                         mss |= (hdr_len & 0xc) << 12;
5759                         if (hdr_len & 0x10)
5760                                 base_flags |= 0x00000010;
5761                         base_flags |= (hdr_len & 0x3e0) << 5;
5762                 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5763                         mss |= hdr_len << 9;
5764                 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5765                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5766                         if (tcp_opt_len || iph->ihl > 5) {
5767                                 int tsflags;
5768
5769                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5770                                 mss |= (tsflags << 11);
5771                         }
5772                 } else {
5773                         if (tcp_opt_len || iph->ihl > 5) {
5774                                 int tsflags;
5775
5776                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5777                                 base_flags |= tsflags << 12;
5778                         }
5779                 }
5780         }
5781 #if TG3_VLAN_TAG_USED
5782         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5783                 base_flags |= (TXD_FLAG_VLAN |
5784                                (vlan_tx_tag_get(skb) << 16));
5785 #endif
5786
5787         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5788             !mss && skb->len > ETH_DATA_LEN)
5789                 base_flags |= TXD_FLAG_JMB_PKT;
5790
5791         len = skb_headlen(skb);
5792
5793         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5794         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5795                 dev_kfree_skb(skb);
5796                 goto out_unlock;
5797         }
5798
5799         tnapi->tx_buffers[entry].skb = skb;
5800         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5801
5802         would_hit_hwbug = 0;
5803
5804         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5805                 would_hit_hwbug = 1;
5806
5807         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5808             tg3_4g_overflow_test(mapping, len))
5809                 would_hit_hwbug = 1;
5810
5811         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5812             tg3_40bit_overflow_test(tp, mapping, len))
5813                 would_hit_hwbug = 1;
5814
5815         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5816                 would_hit_hwbug = 1;
5817
5818         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5819                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5820
5821         entry = NEXT_TX(entry);
5822
5823         /* Now loop through additional data fragments, and queue them. */
5824         if (skb_shinfo(skb)->nr_frags > 0) {
5825                 last = skb_shinfo(skb)->nr_frags - 1;
5826                 for (i = 0; i <= last; i++) {
5827                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5828
5829                         len = frag->size;
5830                         mapping = pci_map_page(tp->pdev,
5831                                                frag->page,
5832                                                frag->page_offset,
5833                                                len, PCI_DMA_TODEVICE);
5834
5835                         tnapi->tx_buffers[entry].skb = NULL;
5836                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5837                                            mapping);
5838                         if (pci_dma_mapping_error(tp->pdev, mapping))
5839                                 goto dma_error;
5840
5841                         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5842                             len <= 8)
5843                                 would_hit_hwbug = 1;
5844
5845                         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5846                             tg3_4g_overflow_test(mapping, len))
5847                                 would_hit_hwbug = 1;
5848
5849                         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5850                             tg3_40bit_overflow_test(tp, mapping, len))
5851                                 would_hit_hwbug = 1;
5852
5853                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5854                                 tg3_set_txd(tnapi, entry, mapping, len,
5855                                             base_flags, (i == last)|(mss << 1));
5856                         else
5857                                 tg3_set_txd(tnapi, entry, mapping, len,
5858                                             base_flags, (i == last));
5859
5860                         entry = NEXT_TX(entry);
5861                 }
5862         }
5863
5864         if (would_hit_hwbug) {
5865                 u32 last_plus_one = entry;
5866                 u32 start;
5867
5868                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5869                 start &= (TG3_TX_RING_SIZE - 1);
5870
5871                 /* If the workaround fails due to memory/mapping
5872                  * failure, silently drop this packet.
5873                  */
5874                 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5875                                                 &start, base_flags, mss))
5876                         goto out_unlock;
5877
5878                 entry = start;
5879         }
5880
5881         /* Packets are ready, update Tx producer idx local and on card. */
5882         tw32_tx_mbox(tnapi->prodmbox, entry);
5883
5884         tnapi->tx_prod = entry;
5885         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5886                 netif_tx_stop_queue(txq);
5887                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5888                         netif_tx_wake_queue(txq);
5889         }
5890
5891 out_unlock:
5892         mmiowb();
5893
5894         return NETDEV_TX_OK;
5895
5896 dma_error:
5897         last = i;
5898         entry = tnapi->tx_prod;
5899         tnapi->tx_buffers[entry].skb = NULL;
5900         pci_unmap_single(tp->pdev,
5901                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5902                          skb_headlen(skb),
5903                          PCI_DMA_TODEVICE);
5904         for (i = 0; i <= last; i++) {
5905                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5906                 entry = NEXT_TX(entry);
5907
5908                 pci_unmap_page(tp->pdev,
5909                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5910                                               mapping),
5911                                frag->size, PCI_DMA_TODEVICE);
5912         }
5913
5914         dev_kfree_skb(skb);
5915         return NETDEV_TX_OK;
5916 }
5917
5918 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5919                                int new_mtu)
5920 {
5921         dev->mtu = new_mtu;
5922
5923         if (new_mtu > ETH_DATA_LEN) {
5924                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5925                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5926                         ethtool_op_set_tso(dev, 0);
5927                 }
5928                 else
5929                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5930         } else {
5931                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5932                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5933                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5934         }
5935 }
5936
5937 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5938 {
5939         struct tg3 *tp = netdev_priv(dev);
5940         int err;
5941
5942         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5943                 return -EINVAL;
5944
5945         if (!netif_running(dev)) {
5946                 /* We'll just catch it later when the
5947                  * device is up'd.
5948                  */
5949                 tg3_set_mtu(dev, tp, new_mtu);
5950                 return 0;
5951         }
5952
5953         tg3_phy_stop(tp);
5954
5955         tg3_netif_stop(tp);
5956
5957         tg3_full_lock(tp, 1);
5958
5959         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5960
5961         tg3_set_mtu(dev, tp, new_mtu);
5962
5963         err = tg3_restart_hw(tp, 0);
5964
5965         if (!err)
5966                 tg3_netif_start(tp);
5967
5968         tg3_full_unlock(tp);
5969
5970         if (!err)
5971                 tg3_phy_start(tp);
5972
5973         return err;
5974 }
5975
5976 static void tg3_rx_prodring_free(struct tg3 *tp,
5977                                  struct tg3_rx_prodring_set *tpr)
5978 {
5979         int i;
5980
5981         if (tpr != &tp->prodring[0]) {
5982                 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
5983                      i = (i + 1) % TG3_RX_RING_SIZE)
5984                         tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5985                                         tp->rx_pkt_map_sz);
5986
5987                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5988                         for (i = tpr->rx_jmb_cons_idx;
5989                              i != tpr->rx_jmb_prod_idx;
5990                              i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
5991                                 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
5992                                                 TG3_RX_JMB_MAP_SZ);
5993                         }
5994                 }
5995
5996                 return;
5997         }
5998
5999         for (i = 0; i < TG3_RX_RING_SIZE; i++)
6000                 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6001                                 tp->rx_pkt_map_sz);
6002
6003         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6004                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
6005                         tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6006                                         TG3_RX_JMB_MAP_SZ);
6007         }
6008 }
6009
6010 /* Initialize tx/rx rings for packet processing.
6011  *
6012  * The chip has been shut down and the driver detached from
6013  * the networking, so no interrupts or new tx packets will
6014  * end up in the driver.  tp->{tx,}lock are held and thus
6015  * we may not sleep.
6016  */
6017 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6018                                  struct tg3_rx_prodring_set *tpr)
6019 {
6020         u32 i, rx_pkt_dma_sz;
6021
6022         tpr->rx_std_cons_idx = 0;
6023         tpr->rx_std_prod_idx = 0;
6024         tpr->rx_jmb_cons_idx = 0;
6025         tpr->rx_jmb_prod_idx = 0;
6026
6027         if (tpr != &tp->prodring[0]) {
6028                 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
6029                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6030                         memset(&tpr->rx_jmb_buffers[0], 0,
6031                                TG3_RX_JMB_BUFF_RING_SIZE);
6032                 goto done;
6033         }
6034
6035         /* Zero out all descriptors. */
6036         memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
6037
6038         rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6039         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6040             tp->dev->mtu > ETH_DATA_LEN)
6041                 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6042         tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6043
6044         /* Initialize invariants of the rings, we only set this
6045          * stuff once.  This works because the card does not
6046          * write into the rx buffer posting rings.
6047          */
6048         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
6049                 struct tg3_rx_buffer_desc *rxd;
6050
6051                 rxd = &tpr->rx_std[i];
6052                 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6053                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6054                 rxd->opaque = (RXD_OPAQUE_RING_STD |
6055                                (i << RXD_OPAQUE_INDEX_SHIFT));
6056         }
6057
6058         /* Now allocate fresh SKBs for each rx ring. */
6059         for (i = 0; i < tp->rx_pending; i++) {
6060                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6061                         netdev_warn(tp->dev, "Using a smaller RX standard ring, only %d out of %d buffers were allocated successfully\n",
6062                                     i, tp->rx_pending);
6063                         if (i == 0)
6064                                 goto initfail;
6065                         tp->rx_pending = i;
6066                         break;
6067                 }
6068         }
6069
6070         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6071                 goto done;
6072
6073         memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
6074
6075         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
6076                 goto done;
6077
6078         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6079                 struct tg3_rx_buffer_desc *rxd;
6080
6081                 rxd = &tpr->rx_jmb[i].std;
6082                 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6083                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6084                                   RXD_FLAG_JUMBO;
6085                 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6086                        (i << RXD_OPAQUE_INDEX_SHIFT));
6087         }
6088
6089         for (i = 0; i < tp->rx_jumbo_pending; i++) {
6090                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) {
6091                         netdev_warn(tp->dev, "Using a smaller RX jumbo ring, only %d out of %d buffers were allocated successfully\n",
6092                                     i, tp->rx_jumbo_pending);
6093                         if (i == 0)
6094                                 goto initfail;
6095                         tp->rx_jumbo_pending = i;
6096                         break;
6097                 }
6098         }
6099
6100 done:
6101         return 0;
6102
6103 initfail:
6104         tg3_rx_prodring_free(tp, tpr);
6105         return -ENOMEM;
6106 }
6107
6108 static void tg3_rx_prodring_fini(struct tg3 *tp,
6109                                  struct tg3_rx_prodring_set *tpr)
6110 {
6111         kfree(tpr->rx_std_buffers);
6112         tpr->rx_std_buffers = NULL;
6113         kfree(tpr->rx_jmb_buffers);
6114         tpr->rx_jmb_buffers = NULL;
6115         if (tpr->rx_std) {
6116                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
6117                                     tpr->rx_std, tpr->rx_std_mapping);
6118                 tpr->rx_std = NULL;
6119         }
6120         if (tpr->rx_jmb) {
6121                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
6122                                     tpr->rx_jmb, tpr->rx_jmb_mapping);
6123                 tpr->rx_jmb = NULL;
6124         }
6125 }
6126
6127 static int tg3_rx_prodring_init(struct tg3 *tp,
6128                                 struct tg3_rx_prodring_set *tpr)
6129 {
6130         tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
6131         if (!tpr->rx_std_buffers)
6132                 return -ENOMEM;
6133
6134         tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6135                                            &tpr->rx_std_mapping);
6136         if (!tpr->rx_std)
6137                 goto err_out;
6138
6139         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6140                 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
6141                                               GFP_KERNEL);
6142                 if (!tpr->rx_jmb_buffers)
6143                         goto err_out;
6144
6145                 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6146                                                    TG3_RX_JUMBO_RING_BYTES,
6147                                                    &tpr->rx_jmb_mapping);
6148                 if (!tpr->rx_jmb)
6149                         goto err_out;
6150         }
6151
6152         return 0;
6153
6154 err_out:
6155         tg3_rx_prodring_fini(tp, tpr);
6156         return -ENOMEM;
6157 }
6158
6159 /* Free up pending packets in all rx/tx rings.
6160  *
6161  * The chip has been shut down and the driver detached from
6162  * the networking, so no interrupts or new tx packets will
6163  * end up in the driver.  tp->{tx,}lock is not held and we are not
6164  * in an interrupt context and thus may sleep.
6165  */
6166 static void tg3_free_rings(struct tg3 *tp)
6167 {
6168         int i, j;
6169
6170         for (j = 0; j < tp->irq_cnt; j++) {
6171                 struct tg3_napi *tnapi = &tp->napi[j];
6172
6173                 if (!tnapi->tx_buffers)
6174                         continue;
6175
6176                 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6177                         struct ring_info *txp;
6178                         struct sk_buff *skb;
6179                         unsigned int k;
6180
6181                         txp = &tnapi->tx_buffers[i];
6182                         skb = txp->skb;
6183
6184                         if (skb == NULL) {
6185                                 i++;
6186                                 continue;
6187                         }
6188
6189                         pci_unmap_single(tp->pdev,
6190                                          pci_unmap_addr(txp, mapping),
6191                                          skb_headlen(skb),
6192                                          PCI_DMA_TODEVICE);
6193                         txp->skb = NULL;
6194
6195                         i++;
6196
6197                         for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6198                                 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6199                                 pci_unmap_page(tp->pdev,
6200                                                pci_unmap_addr(txp, mapping),
6201                                                skb_shinfo(skb)->frags[k].size,
6202                                                PCI_DMA_TODEVICE);
6203                                 i++;
6204                         }
6205
6206                         dev_kfree_skb_any(skb);
6207                 }
6208
6209                 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6210         }
6211 }
6212
6213 /* Initialize tx/rx rings for packet processing.
6214  *
6215  * The chip has been shut down and the driver detached from
6216  * the networking, so no interrupts or new tx packets will
6217  * end up in the driver.  tp->{tx,}lock are held and thus
6218  * we may not sleep.
6219  */
6220 static int tg3_init_rings(struct tg3 *tp)
6221 {
6222         int i;
6223
6224         /* Free up all the SKBs. */
6225         tg3_free_rings(tp);
6226
6227         for (i = 0; i < tp->irq_cnt; i++) {
6228                 struct tg3_napi *tnapi = &tp->napi[i];
6229
6230                 tnapi->last_tag = 0;
6231                 tnapi->last_irq_tag = 0;
6232                 tnapi->hw_status->status = 0;
6233                 tnapi->hw_status->status_tag = 0;
6234                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6235
6236                 tnapi->tx_prod = 0;
6237                 tnapi->tx_cons = 0;
6238                 if (tnapi->tx_ring)
6239                         memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6240
6241                 tnapi->rx_rcb_ptr = 0;
6242                 if (tnapi->rx_rcb)
6243                         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6244
6245                 if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
6246                         tg3_free_rings(tp);
6247                         return -ENOMEM;
6248                 }
6249         }
6250
6251         return 0;
6252 }
6253
6254 /*
6255  * Must not be invoked with interrupt sources disabled and
6256  * the hardware shutdown down.
6257  */
6258 static void tg3_free_consistent(struct tg3 *tp)
6259 {
6260         int i;
6261
6262         for (i = 0; i < tp->irq_cnt; i++) {
6263                 struct tg3_napi *tnapi = &tp->napi[i];
6264
6265                 if (tnapi->tx_ring) {
6266                         pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6267                                 tnapi->tx_ring, tnapi->tx_desc_mapping);
6268                         tnapi->tx_ring = NULL;
6269                 }
6270
6271                 kfree(tnapi->tx_buffers);
6272                 tnapi->tx_buffers = NULL;
6273
6274                 if (tnapi->rx_rcb) {
6275                         pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6276                                             tnapi->rx_rcb,
6277                                             tnapi->rx_rcb_mapping);
6278                         tnapi->rx_rcb = NULL;
6279                 }
6280
6281                 if (tnapi->hw_status) {
6282                         pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6283                                             tnapi->hw_status,
6284                                             tnapi->status_mapping);
6285                         tnapi->hw_status = NULL;
6286                 }
6287         }
6288
6289         if (tp->hw_stats) {
6290                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6291                                     tp->hw_stats, tp->stats_mapping);
6292                 tp->hw_stats = NULL;
6293         }
6294
6295         for (i = 0; i < tp->irq_cnt; i++)
6296                 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
6297 }
6298
6299 /*
6300  * Must not be invoked with interrupt sources disabled and
6301  * the hardware shutdown down.  Can sleep.
6302  */
6303 static int tg3_alloc_consistent(struct tg3 *tp)
6304 {
6305         int i;
6306
6307         for (i = 0; i < tp->irq_cnt; i++) {
6308                 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6309                         goto err_out;
6310         }
6311
6312         tp->hw_stats = pci_alloc_consistent(tp->pdev,
6313                                             sizeof(struct tg3_hw_stats),
6314                                             &tp->stats_mapping);
6315         if (!tp->hw_stats)
6316                 goto err_out;
6317
6318         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6319
6320         for (i = 0; i < tp->irq_cnt; i++) {
6321                 struct tg3_napi *tnapi = &tp->napi[i];
6322                 struct tg3_hw_status *sblk;
6323
6324                 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6325                                                         TG3_HW_STATUS_SIZE,
6326                                                         &tnapi->status_mapping);
6327                 if (!tnapi->hw_status)
6328                         goto err_out;
6329
6330                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6331                 sblk = tnapi->hw_status;
6332
6333                 /* If multivector TSS is enabled, vector 0 does not handle
6334                  * tx interrupts.  Don't allocate any resources for it.
6335                  */
6336                 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6337                     (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6338                         tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6339                                                     TG3_TX_RING_SIZE,
6340                                                     GFP_KERNEL);
6341                         if (!tnapi->tx_buffers)
6342                                 goto err_out;
6343
6344                         tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6345                                                               TG3_TX_RING_BYTES,
6346                                                        &tnapi->tx_desc_mapping);
6347                         if (!tnapi->tx_ring)
6348                                 goto err_out;
6349                 }
6350
6351                 /*
6352                  * When RSS is enabled, the status block format changes
6353                  * slightly.  The "rx_jumbo_consumer", "reserved",
6354                  * and "rx_mini_consumer" members get mapped to the
6355                  * other three rx return ring producer indexes.
6356                  */
6357                 switch (i) {
6358                 default:
6359                         tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6360                         break;
6361                 case 2:
6362                         tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6363                         break;
6364                 case 3:
6365                         tnapi->rx_rcb_prod_idx = &sblk->reserved;
6366                         break;
6367                 case 4:
6368                         tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6369                         break;
6370                 }
6371
6372                 tnapi->prodring = &tp->prodring[i];
6373
6374                 /*
6375                  * If multivector RSS is enabled, vector 0 does not handle
6376                  * rx or tx interrupts.  Don't allocate any resources for it.
6377                  */
6378                 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6379                         continue;
6380
6381                 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6382                                                      TG3_RX_RCB_RING_BYTES(tp),
6383                                                      &tnapi->rx_rcb_mapping);
6384                 if (!tnapi->rx_rcb)
6385                         goto err_out;
6386
6387                 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6388         }
6389
6390         return 0;
6391
6392 err_out:
6393         tg3_free_consistent(tp);
6394         return -ENOMEM;
6395 }
6396
6397 #define MAX_WAIT_CNT 1000
6398
6399 /* To stop a block, clear the enable bit and poll till it
6400  * clears.  tp->lock is held.
6401  */
6402 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6403 {
6404         unsigned int i;
6405         u32 val;
6406
6407         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6408                 switch (ofs) {
6409                 case RCVLSC_MODE:
6410                 case DMAC_MODE:
6411                 case MBFREE_MODE:
6412                 case BUFMGR_MODE:
6413                 case MEMARB_MODE:
6414                         /* We can't enable/disable these bits of the
6415                          * 5705/5750, just say success.
6416                          */
6417                         return 0;
6418
6419                 default:
6420                         break;
6421                 }
6422         }
6423
6424         val = tr32(ofs);
6425         val &= ~enable_bit;
6426         tw32_f(ofs, val);
6427
6428         for (i = 0; i < MAX_WAIT_CNT; i++) {
6429                 udelay(100);
6430                 val = tr32(ofs);
6431                 if ((val & enable_bit) == 0)
6432                         break;
6433         }
6434
6435         if (i == MAX_WAIT_CNT && !silent) {
6436                 pr_err("tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
6437                        ofs, enable_bit);
6438                 return -ENODEV;
6439         }
6440
6441         return 0;
6442 }
6443
6444 /* tp->lock is held. */
6445 static int tg3_abort_hw(struct tg3 *tp, int silent)
6446 {
6447         int i, err;
6448
6449         tg3_disable_ints(tp);
6450
6451         tp->rx_mode &= ~RX_MODE_ENABLE;
6452         tw32_f(MAC_RX_MODE, tp->rx_mode);
6453         udelay(10);
6454
6455         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6456         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6457         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6458         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6459         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6460         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6461
6462         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6463         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6464         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6465         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6466         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6467         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6468         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6469
6470         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6471         tw32_f(MAC_MODE, tp->mac_mode);
6472         udelay(40);
6473
6474         tp->tx_mode &= ~TX_MODE_ENABLE;
6475         tw32_f(MAC_TX_MODE, tp->tx_mode);
6476
6477         for (i = 0; i < MAX_WAIT_CNT; i++) {
6478                 udelay(100);
6479                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6480                         break;
6481         }
6482         if (i >= MAX_WAIT_CNT) {
6483                 netdev_err(tp->dev, "%s timed out, TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6484                            __func__, tr32(MAC_TX_MODE));
6485                 err |= -ENODEV;
6486         }
6487
6488         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6489         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6490         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6491
6492         tw32(FTQ_RESET, 0xffffffff);
6493         tw32(FTQ_RESET, 0x00000000);
6494
6495         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6496         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6497
6498         for (i = 0; i < tp->irq_cnt; i++) {
6499                 struct tg3_napi *tnapi = &tp->napi[i];
6500                 if (tnapi->hw_status)
6501                         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6502         }
6503         if (tp->hw_stats)
6504                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6505
6506         return err;
6507 }
6508
6509 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6510 {
6511         int i;
6512         u32 apedata;
6513
6514         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6515         if (apedata != APE_SEG_SIG_MAGIC)
6516                 return;
6517
6518         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6519         if (!(apedata & APE_FW_STATUS_READY))
6520                 return;
6521
6522         /* Wait for up to 1 millisecond for APE to service previous event. */
6523         for (i = 0; i < 10; i++) {
6524                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6525                         return;
6526
6527                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6528
6529                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6530                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6531                                         event | APE_EVENT_STATUS_EVENT_PENDING);
6532
6533                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6534
6535                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6536                         break;
6537
6538                 udelay(100);
6539         }
6540
6541         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6542                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6543 }
6544
6545 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6546 {
6547         u32 event;
6548         u32 apedata;
6549
6550         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6551                 return;
6552
6553         switch (kind) {
6554                 case RESET_KIND_INIT:
6555                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6556                                         APE_HOST_SEG_SIG_MAGIC);
6557                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6558                                         APE_HOST_SEG_LEN_MAGIC);
6559                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6560                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6561                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6562                                         APE_HOST_DRIVER_ID_MAGIC);
6563                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6564                                         APE_HOST_BEHAV_NO_PHYLOCK);
6565
6566                         event = APE_EVENT_STATUS_STATE_START;
6567                         break;
6568                 case RESET_KIND_SHUTDOWN:
6569                         /* With the interface we are currently using,
6570                          * APE does not track driver state.  Wiping
6571                          * out the HOST SEGMENT SIGNATURE forces
6572                          * the APE to assume OS absent status.
6573                          */
6574                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6575
6576                         event = APE_EVENT_STATUS_STATE_UNLOAD;
6577                         break;
6578                 case RESET_KIND_SUSPEND:
6579                         event = APE_EVENT_STATUS_STATE_SUSPEND;
6580                         break;
6581                 default:
6582                         return;
6583         }
6584
6585         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6586
6587         tg3_ape_send_event(tp, event);
6588 }
6589
6590 /* tp->lock is held. */
6591 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6592 {
6593         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6594                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6595
6596         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6597                 switch (kind) {
6598                 case RESET_KIND_INIT:
6599                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6600                                       DRV_STATE_START);
6601                         break;
6602
6603                 case RESET_KIND_SHUTDOWN:
6604                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6605                                       DRV_STATE_UNLOAD);
6606                         break;
6607
6608                 case RESET_KIND_SUSPEND:
6609                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6610                                       DRV_STATE_SUSPEND);
6611                         break;
6612
6613                 default:
6614                         break;
6615                 }
6616         }
6617
6618         if (kind == RESET_KIND_INIT ||
6619             kind == RESET_KIND_SUSPEND)
6620                 tg3_ape_driver_state_change(tp, kind);
6621 }
6622
6623 /* tp->lock is held. */
6624 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6625 {
6626         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6627                 switch (kind) {
6628                 case RESET_KIND_INIT:
6629                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6630                                       DRV_STATE_START_DONE);
6631                         break;
6632
6633                 case RESET_KIND_SHUTDOWN:
6634                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6635                                       DRV_STATE_UNLOAD_DONE);
6636                         break;
6637
6638                 default:
6639                         break;
6640                 }
6641         }
6642
6643         if (kind == RESET_KIND_SHUTDOWN)
6644                 tg3_ape_driver_state_change(tp, kind);
6645 }
6646
6647 /* tp->lock is held. */
6648 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6649 {
6650         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6651                 switch (kind) {
6652                 case RESET_KIND_INIT:
6653                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6654                                       DRV_STATE_START);
6655                         break;
6656
6657                 case RESET_KIND_SHUTDOWN:
6658                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6659                                       DRV_STATE_UNLOAD);
6660                         break;
6661
6662                 case RESET_KIND_SUSPEND:
6663                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6664                                       DRV_STATE_SUSPEND);
6665                         break;
6666
6667                 default:
6668                         break;
6669                 }
6670         }
6671 }
6672
6673 static int tg3_poll_fw(struct tg3 *tp)
6674 {
6675         int i;
6676         u32 val;
6677
6678         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6679                 /* Wait up to 20ms for init done. */
6680                 for (i = 0; i < 200; i++) {
6681                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6682                                 return 0;
6683                         udelay(100);
6684                 }
6685                 return -ENODEV;
6686         }
6687
6688         /* Wait for firmware initialization to complete. */
6689         for (i = 0; i < 100000; i++) {
6690                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6691                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6692                         break;
6693                 udelay(10);
6694         }
6695
6696         /* Chip might not be fitted with firmware.  Some Sun onboard
6697          * parts are configured like that.  So don't signal the timeout
6698          * of the above loop as an error, but do report the lack of
6699          * running firmware once.
6700          */
6701         if (i >= 100000 &&
6702             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6703                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6704
6705                 netdev_info(tp->dev, "No firmware running\n");
6706         }
6707
6708         if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6709                 /* The 57765 A0 needs a little more
6710                  * time to do some important work.
6711                  */
6712                 mdelay(10);
6713         }
6714
6715         return 0;
6716 }
6717
6718 /* Save PCI command register before chip reset */
6719 static void tg3_save_pci_state(struct tg3 *tp)
6720 {
6721         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6722 }
6723
6724 /* Restore PCI state after chip reset */
6725 static void tg3_restore_pci_state(struct tg3 *tp)
6726 {
6727         u32 val;
6728
6729         /* Re-enable indirect register accesses. */
6730         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6731                                tp->misc_host_ctrl);
6732
6733         /* Set MAX PCI retry to zero. */
6734         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6735         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6736             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6737                 val |= PCISTATE_RETRY_SAME_DMA;
6738         /* Allow reads and writes to the APE register and memory space. */
6739         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6740                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6741                        PCISTATE_ALLOW_APE_SHMEM_WR;
6742         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6743
6744         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6745
6746         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6747                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6748                         pcie_set_readrq(tp->pdev, 4096);
6749                 else {
6750                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6751                                               tp->pci_cacheline_sz);
6752                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6753                                               tp->pci_lat_timer);
6754                 }
6755         }
6756
6757         /* Make sure PCI-X relaxed ordering bit is clear. */
6758         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6759                 u16 pcix_cmd;
6760
6761                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6762                                      &pcix_cmd);
6763                 pcix_cmd &= ~PCI_X_CMD_ERO;
6764                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6765                                       pcix_cmd);
6766         }
6767
6768         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6769
6770                 /* Chip reset on 5780 will reset MSI enable bit,
6771                  * so need to restore it.
6772                  */
6773                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6774                         u16 ctrl;
6775
6776                         pci_read_config_word(tp->pdev,
6777                                              tp->msi_cap + PCI_MSI_FLAGS,
6778                                              &ctrl);
6779                         pci_write_config_word(tp->pdev,
6780                                               tp->msi_cap + PCI_MSI_FLAGS,
6781                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6782                         val = tr32(MSGINT_MODE);
6783                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6784                 }
6785         }
6786 }
6787
6788 static void tg3_stop_fw(struct tg3 *);
6789
6790 /* tp->lock is held. */
6791 static int tg3_chip_reset(struct tg3 *tp)
6792 {
6793         u32 val;
6794         void (*write_op)(struct tg3 *, u32, u32);
6795         int i, err;
6796
6797         tg3_nvram_lock(tp);
6798
6799         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6800
6801         /* No matching tg3_nvram_unlock() after this because
6802          * chip reset below will undo the nvram lock.
6803          */
6804         tp->nvram_lock_cnt = 0;
6805
6806         /* GRC_MISC_CFG core clock reset will clear the memory
6807          * enable bit in PCI register 4 and the MSI enable bit
6808          * on some chips, so we save relevant registers here.
6809          */
6810         tg3_save_pci_state(tp);
6811
6812         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6813             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6814                 tw32(GRC_FASTBOOT_PC, 0);
6815
6816         /*
6817          * We must avoid the readl() that normally takes place.
6818          * It locks machines, causes machine checks, and other
6819          * fun things.  So, temporarily disable the 5701
6820          * hardware workaround, while we do the reset.
6821          */
6822         write_op = tp->write32;
6823         if (write_op == tg3_write_flush_reg32)
6824                 tp->write32 = tg3_write32;
6825
6826         /* Prevent the irq handler from reading or writing PCI registers
6827          * during chip reset when the memory enable bit in the PCI command
6828          * register may be cleared.  The chip does not generate interrupt
6829          * at this time, but the irq handler may still be called due to irq
6830          * sharing or irqpoll.
6831          */
6832         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6833         for (i = 0; i < tp->irq_cnt; i++) {
6834                 struct tg3_napi *tnapi = &tp->napi[i];
6835                 if (tnapi->hw_status) {
6836                         tnapi->hw_status->status = 0;
6837                         tnapi->hw_status->status_tag = 0;
6838                 }
6839                 tnapi->last_tag = 0;
6840                 tnapi->last_irq_tag = 0;
6841         }
6842         smp_mb();
6843
6844         for (i = 0; i < tp->irq_cnt; i++)
6845                 synchronize_irq(tp->napi[i].irq_vec);
6846
6847         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6848                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6849                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6850         }
6851
6852         /* do the reset */
6853         val = GRC_MISC_CFG_CORECLK_RESET;
6854
6855         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6856                 if (tr32(0x7e2c) == 0x60) {
6857                         tw32(0x7e2c, 0x20);
6858                 }
6859                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6860                         tw32(GRC_MISC_CFG, (1 << 29));
6861                         val |= (1 << 29);
6862                 }
6863         }
6864
6865         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6866                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6867                 tw32(GRC_VCPU_EXT_CTRL,
6868                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6869         }
6870
6871         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6872                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6873         tw32(GRC_MISC_CFG, val);
6874
6875         /* restore 5701 hardware bug workaround write method */
6876         tp->write32 = write_op;
6877
6878         /* Unfortunately, we have to delay before the PCI read back.
6879          * Some 575X chips even will not respond to a PCI cfg access
6880          * when the reset command is given to the chip.
6881          *
6882          * How do these hardware designers expect things to work
6883          * properly if the PCI write is posted for a long period
6884          * of time?  It is always necessary to have some method by
6885          * which a register read back can occur to push the write
6886          * out which does the reset.
6887          *
6888          * For most tg3 variants the trick below was working.
6889          * Ho hum...
6890          */
6891         udelay(120);
6892
6893         /* Flush PCI posted writes.  The normal MMIO registers
6894          * are inaccessible at this time so this is the only
6895          * way to make this reliably (actually, this is no longer
6896          * the case, see above).  I tried to use indirect
6897          * register read/write but this upset some 5701 variants.
6898          */
6899         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6900
6901         udelay(120);
6902
6903         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6904                 u16 val16;
6905
6906                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6907                         int i;
6908                         u32 cfg_val;
6909
6910                         /* Wait for link training to complete.  */
6911                         for (i = 0; i < 5000; i++)
6912                                 udelay(100);
6913
6914                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6915                         pci_write_config_dword(tp->pdev, 0xc4,
6916                                                cfg_val | (1 << 15));
6917                 }
6918
6919                 /* Clear the "no snoop" and "relaxed ordering" bits. */
6920                 pci_read_config_word(tp->pdev,
6921                                      tp->pcie_cap + PCI_EXP_DEVCTL,
6922                                      &val16);
6923                 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6924                            PCI_EXP_DEVCTL_NOSNOOP_EN);
6925                 /*
6926                  * Older PCIe devices only support the 128 byte
6927                  * MPS setting.  Enforce the restriction.
6928                  */
6929                 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6930                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6931                         val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6932                 pci_write_config_word(tp->pdev,
6933                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6934                                       val16);
6935
6936                 pcie_set_readrq(tp->pdev, 4096);
6937
6938                 /* Clear error status */
6939                 pci_write_config_word(tp->pdev,
6940                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6941                                       PCI_EXP_DEVSTA_CED |
6942                                       PCI_EXP_DEVSTA_NFED |
6943                                       PCI_EXP_DEVSTA_FED |
6944                                       PCI_EXP_DEVSTA_URD);
6945         }
6946
6947         tg3_restore_pci_state(tp);
6948
6949         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6950
6951         val = 0;
6952         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6953                 val = tr32(MEMARB_MODE);
6954         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6955
6956         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6957                 tg3_stop_fw(tp);
6958                 tw32(0x5000, 0x400);
6959         }
6960
6961         tw32(GRC_MODE, tp->grc_mode);
6962
6963         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6964                 val = tr32(0xc4);
6965
6966                 tw32(0xc4, val | (1 << 15));
6967         }
6968
6969         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6970             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6971                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6972                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6973                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6974                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6975         }
6976
6977         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6978                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6979                 tw32_f(MAC_MODE, tp->mac_mode);
6980         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6981                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6982                 tw32_f(MAC_MODE, tp->mac_mode);
6983         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6984                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6985                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6986                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6987                 tw32_f(MAC_MODE, tp->mac_mode);
6988         } else
6989                 tw32_f(MAC_MODE, 0);
6990         udelay(40);
6991
6992         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6993
6994         err = tg3_poll_fw(tp);
6995         if (err)
6996                 return err;
6997
6998         tg3_mdio_start(tp);
6999
7000         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7001                 u8 phy_addr;
7002
7003                 phy_addr = tp->phy_addr;
7004                 tp->phy_addr = TG3_PHY_PCIE_ADDR;
7005
7006                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7007                              TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
7008                 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
7009                       TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
7010                       TG3_PCIEPHY_TX0CTRL1_NB_EN;
7011                 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
7012                 udelay(10);
7013
7014                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7015                              TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
7016                 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
7017                       TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
7018                 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
7019                 udelay(10);
7020
7021                 tp->phy_addr = phy_addr;
7022         }
7023
7024         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7025             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7026             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7027             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
7028             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
7029                 val = tr32(0x7c00);
7030
7031                 tw32(0x7c00, val | (1 << 25));
7032         }
7033
7034         /* Reprobe ASF enable state.  */
7035         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7036         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7037         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7038         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7039                 u32 nic_cfg;
7040
7041                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7042                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7043                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7044                         tp->last_event_jiffies = jiffies;
7045                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7046                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7047                 }
7048         }
7049
7050         return 0;
7051 }
7052
7053 /* tp->lock is held. */
7054 static void tg3_stop_fw(struct tg3 *tp)
7055 {
7056         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7057            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7058                 /* Wait for RX cpu to ACK the previous event. */
7059                 tg3_wait_for_event_ack(tp);
7060
7061                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7062
7063                 tg3_generate_fw_event(tp);
7064
7065                 /* Wait for RX cpu to ACK this event. */
7066                 tg3_wait_for_event_ack(tp);
7067         }
7068 }
7069
7070 /* tp->lock is held. */
7071 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7072 {
7073         int err;
7074
7075         tg3_stop_fw(tp);
7076
7077         tg3_write_sig_pre_reset(tp, kind);
7078
7079         tg3_abort_hw(tp, silent);
7080         err = tg3_chip_reset(tp);
7081
7082         __tg3_set_mac_addr(tp, 0);
7083
7084         tg3_write_sig_legacy(tp, kind);
7085         tg3_write_sig_post_reset(tp, kind);
7086
7087         if (err)
7088                 return err;
7089
7090         return 0;
7091 }
7092
7093 #define RX_CPU_SCRATCH_BASE     0x30000
7094 #define RX_CPU_SCRATCH_SIZE     0x04000
7095 #define TX_CPU_SCRATCH_BASE     0x34000
7096 #define TX_CPU_SCRATCH_SIZE     0x04000
7097
7098 /* tp->lock is held. */
7099 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7100 {
7101         int i;
7102
7103         BUG_ON(offset == TX_CPU_BASE &&
7104             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7105
7106         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7107                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7108
7109                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7110                 return 0;
7111         }
7112         if (offset == RX_CPU_BASE) {
7113                 for (i = 0; i < 10000; i++) {
7114                         tw32(offset + CPU_STATE, 0xffffffff);
7115                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7116                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7117                                 break;
7118                 }
7119
7120                 tw32(offset + CPU_STATE, 0xffffffff);
7121                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
7122                 udelay(10);
7123         } else {
7124                 for (i = 0; i < 10000; i++) {
7125                         tw32(offset + CPU_STATE, 0xffffffff);
7126                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7127                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7128                                 break;
7129                 }
7130         }
7131
7132         if (i >= 10000) {
7133                 netdev_err(tp->dev, "%s timed out, %s CPU\n",
7134                            __func__, offset == RX_CPU_BASE ? "RX" : "TX");
7135                 return -ENODEV;
7136         }
7137
7138         /* Clear firmware's nvram arbitration. */
7139         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7140                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7141         return 0;
7142 }
7143
7144 struct fw_info {
7145         unsigned int fw_base;
7146         unsigned int fw_len;
7147         const __be32 *fw_data;
7148 };
7149
7150 /* tp->lock is held. */
7151 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7152                                  int cpu_scratch_size, struct fw_info *info)
7153 {
7154         int err, lock_err, i;
7155         void (*write_op)(struct tg3 *, u32, u32);
7156
7157         if (cpu_base == TX_CPU_BASE &&
7158             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7159                 netdev_err(tp->dev, "%s: Trying to load TX cpu firmware which is 5705\n",
7160                            __func__);
7161                 return -EINVAL;
7162         }
7163
7164         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7165                 write_op = tg3_write_mem;
7166         else
7167                 write_op = tg3_write_indirect_reg32;
7168
7169         /* It is possible that bootcode is still loading at this point.
7170          * Get the nvram lock first before halting the cpu.
7171          */
7172         lock_err = tg3_nvram_lock(tp);
7173         err = tg3_halt_cpu(tp, cpu_base);
7174         if (!lock_err)
7175                 tg3_nvram_unlock(tp);
7176         if (err)
7177                 goto out;
7178
7179         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7180                 write_op(tp, cpu_scratch_base + i, 0);
7181         tw32(cpu_base + CPU_STATE, 0xffffffff);
7182         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7183         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7184                 write_op(tp, (cpu_scratch_base +
7185                               (info->fw_base & 0xffff) +
7186                               (i * sizeof(u32))),
7187                               be32_to_cpu(info->fw_data[i]));
7188
7189         err = 0;
7190
7191 out:
7192         return err;
7193 }
7194
7195 /* tp->lock is held. */
7196 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7197 {
7198         struct fw_info info;
7199         const __be32 *fw_data;
7200         int err, i;
7201
7202         fw_data = (void *)tp->fw->data;
7203
7204         /* Firmware blob starts with version numbers, followed by
7205            start address and length. We are setting complete length.
7206            length = end_address_of_bss - start_address_of_text.
7207            Remainder is the blob to be loaded contiguously
7208            from start address. */
7209
7210         info.fw_base = be32_to_cpu(fw_data[1]);
7211         info.fw_len = tp->fw->size - 12;
7212         info.fw_data = &fw_data[3];
7213
7214         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7215                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7216                                     &info);
7217         if (err)
7218                 return err;
7219
7220         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7221                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7222                                     &info);
7223         if (err)
7224                 return err;
7225
7226         /* Now startup only the RX cpu. */
7227         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7228         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7229
7230         for (i = 0; i < 5; i++) {
7231                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7232                         break;
7233                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7234                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
7235                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7236                 udelay(1000);
7237         }
7238         if (i >= 5) {
7239                 netdev_err(tp->dev, "tg3_load_firmware fails to set RX CPU PC, is %08x should be %08x\n",
7240                            tr32(RX_CPU_BASE + CPU_PC), info.fw_base);
7241                 return -ENODEV;
7242         }
7243         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7244         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
7245
7246         return 0;
7247 }
7248
7249 /* 5705 needs a special version of the TSO firmware.  */
7250
7251 /* tp->lock is held. */
7252 static int tg3_load_tso_firmware(struct tg3 *tp)
7253 {
7254         struct fw_info info;
7255         const __be32 *fw_data;
7256         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7257         int err, i;
7258
7259         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7260                 return 0;
7261
7262         fw_data = (void *)tp->fw->data;
7263
7264         /* Firmware blob starts with version numbers, followed by
7265            start address and length. We are setting complete length.
7266            length = end_address_of_bss - start_address_of_text.
7267            Remainder is the blob to be loaded contiguously
7268            from start address. */
7269
7270         info.fw_base = be32_to_cpu(fw_data[1]);
7271         cpu_scratch_size = tp->fw_len;
7272         info.fw_len = tp->fw->size - 12;
7273         info.fw_data = &fw_data[3];
7274
7275         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7276                 cpu_base = RX_CPU_BASE;
7277                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7278         } else {
7279                 cpu_base = TX_CPU_BASE;
7280                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7281                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7282         }
7283
7284         err = tg3_load_firmware_cpu(tp, cpu_base,
7285                                     cpu_scratch_base, cpu_scratch_size,
7286                                     &info);
7287         if (err)
7288                 return err;
7289
7290         /* Now startup the cpu. */
7291         tw32(cpu_base + CPU_STATE, 0xffffffff);
7292         tw32_f(cpu_base + CPU_PC, info.fw_base);
7293
7294         for (i = 0; i < 5; i++) {
7295                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7296                         break;
7297                 tw32(cpu_base + CPU_STATE, 0xffffffff);
7298                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
7299                 tw32_f(cpu_base + CPU_PC, info.fw_base);
7300                 udelay(1000);
7301         }
7302         if (i >= 5) {
7303                 netdev_err(tp->dev, "%s fails to set CPU PC, is %08x should be %08x\n",
7304                            __func__, tr32(cpu_base + CPU_PC), info.fw_base);
7305                 return -ENODEV;
7306         }
7307         tw32(cpu_base + CPU_STATE, 0xffffffff);
7308         tw32_f(cpu_base + CPU_MODE,  0x00000000);
7309         return 0;
7310 }
7311
7312
7313 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7314 {
7315         struct tg3 *tp = netdev_priv(dev);
7316         struct sockaddr *addr = p;
7317         int err = 0, skip_mac_1 = 0;
7318
7319         if (!is_valid_ether_addr(addr->sa_data))
7320                 return -EINVAL;
7321
7322         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7323
7324         if (!netif_running(dev))
7325                 return 0;
7326
7327         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7328                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7329
7330                 addr0_high = tr32(MAC_ADDR_0_HIGH);
7331                 addr0_low = tr32(MAC_ADDR_0_LOW);
7332                 addr1_high = tr32(MAC_ADDR_1_HIGH);
7333                 addr1_low = tr32(MAC_ADDR_1_LOW);
7334
7335                 /* Skip MAC addr 1 if ASF is using it. */
7336                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7337                     !(addr1_high == 0 && addr1_low == 0))
7338                         skip_mac_1 = 1;
7339         }
7340         spin_lock_bh(&tp->lock);
7341         __tg3_set_mac_addr(tp, skip_mac_1);
7342         spin_unlock_bh(&tp->lock);
7343
7344         return err;
7345 }
7346
7347 /* tp->lock is held. */
7348 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7349                            dma_addr_t mapping, u32 maxlen_flags,
7350                            u32 nic_addr)
7351 {
7352         tg3_write_mem(tp,
7353                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7354                       ((u64) mapping >> 32));
7355         tg3_write_mem(tp,
7356                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7357                       ((u64) mapping & 0xffffffff));
7358         tg3_write_mem(tp,
7359                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7360                        maxlen_flags);
7361
7362         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7363                 tg3_write_mem(tp,
7364                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7365                               nic_addr);
7366 }
7367
7368 static void __tg3_set_rx_mode(struct net_device *);
7369 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7370 {
7371         int i;
7372
7373         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7374                 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7375                 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7376                 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7377         } else {
7378                 tw32(HOSTCC_TXCOL_TICKS, 0);
7379                 tw32(HOSTCC_TXMAX_FRAMES, 0);
7380                 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7381         }
7382
7383         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7384                 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7385                 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7386                 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7387         } else {
7388                 tw32(HOSTCC_RXCOL_TICKS, 0);
7389                 tw32(HOSTCC_RXMAX_FRAMES, 0);
7390                 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7391         }
7392
7393         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7394                 u32 val = ec->stats_block_coalesce_usecs;
7395
7396                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7397                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7398
7399                 if (!netif_carrier_ok(tp->dev))
7400                         val = 0;
7401
7402                 tw32(HOSTCC_STAT_COAL_TICKS, val);
7403         }
7404
7405         for (i = 0; i < tp->irq_cnt - 1; i++) {
7406                 u32 reg;
7407
7408                 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7409                 tw32(reg, ec->rx_coalesce_usecs);
7410                 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7411                 tw32(reg, ec->rx_max_coalesced_frames);
7412                 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7413                 tw32(reg, ec->rx_max_coalesced_frames_irq);
7414
7415                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7416                         reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7417                         tw32(reg, ec->tx_coalesce_usecs);
7418                         reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7419                         tw32(reg, ec->tx_max_coalesced_frames);
7420                         reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7421                         tw32(reg, ec->tx_max_coalesced_frames_irq);
7422                 }
7423         }
7424
7425         for (; i < tp->irq_max - 1; i++) {
7426                 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7427                 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7428                 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7429
7430                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7431                         tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7432                         tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7433                         tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7434                 }
7435         }
7436 }
7437
7438 /* tp->lock is held. */
7439 static void tg3_rings_reset(struct tg3 *tp)
7440 {
7441         int i;
7442         u32 stblk, txrcb, rxrcb, limit;
7443         struct tg3_napi *tnapi = &tp->napi[0];
7444
7445         /* Disable all transmit rings but the first. */
7446         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7447                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7448         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7449                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7450         else
7451                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7452
7453         for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7454              txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7455                 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7456                               BDINFO_FLAGS_DISABLED);
7457
7458
7459         /* Disable all receive return rings but the first. */
7460         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7461                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7462         else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7463                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7464         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7465                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7466                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7467         else
7468                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7469
7470         for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7471              rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7472                 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7473                               BDINFO_FLAGS_DISABLED);
7474
7475         /* Disable interrupts */
7476         tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7477
7478         /* Zero mailbox registers. */
7479         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7480                 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7481                         tp->napi[i].tx_prod = 0;
7482                         tp->napi[i].tx_cons = 0;
7483                         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7484                                 tw32_mailbox(tp->napi[i].prodmbox, 0);
7485                         tw32_rx_mbox(tp->napi[i].consmbox, 0);
7486                         tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7487                 }
7488                 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7489                         tw32_mailbox(tp->napi[0].prodmbox, 0);
7490         } else {
7491                 tp->napi[0].tx_prod = 0;
7492                 tp->napi[0].tx_cons = 0;
7493                 tw32_mailbox(tp->napi[0].prodmbox, 0);
7494                 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7495         }
7496
7497         /* Make sure the NIC-based send BD rings are disabled. */
7498         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7499                 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7500                 for (i = 0; i < 16; i++)
7501                         tw32_tx_mbox(mbox + i * 8, 0);
7502         }
7503
7504         txrcb = NIC_SRAM_SEND_RCB;
7505         rxrcb = NIC_SRAM_RCV_RET_RCB;
7506
7507         /* Clear status block in ram. */
7508         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7509
7510         /* Set status block DMA address */
7511         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7512              ((u64) tnapi->status_mapping >> 32));
7513         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7514              ((u64) tnapi->status_mapping & 0xffffffff));
7515
7516         if (tnapi->tx_ring) {
7517                 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7518                                (TG3_TX_RING_SIZE <<
7519                                 BDINFO_FLAGS_MAXLEN_SHIFT),
7520                                NIC_SRAM_TX_BUFFER_DESC);
7521                 txrcb += TG3_BDINFO_SIZE;
7522         }
7523
7524         if (tnapi->rx_rcb) {
7525                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7526                                (TG3_RX_RCB_RING_SIZE(tp) <<
7527                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7528                 rxrcb += TG3_BDINFO_SIZE;
7529         }
7530
7531         stblk = HOSTCC_STATBLCK_RING1;
7532
7533         for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7534                 u64 mapping = (u64)tnapi->status_mapping;
7535                 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7536                 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7537
7538                 /* Clear status block in ram. */
7539                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7540
7541                 if (tnapi->tx_ring) {
7542                         tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7543                                        (TG3_TX_RING_SIZE <<
7544                                         BDINFO_FLAGS_MAXLEN_SHIFT),
7545                                        NIC_SRAM_TX_BUFFER_DESC);
7546                         txrcb += TG3_BDINFO_SIZE;
7547                 }
7548
7549                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7550                                (TG3_RX_RCB_RING_SIZE(tp) <<
7551                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7552
7553                 stblk += 8;
7554                 rxrcb += TG3_BDINFO_SIZE;
7555         }
7556 }
7557
7558 /* tp->lock is held. */
7559 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7560 {
7561         u32 val, rdmac_mode;
7562         int i, err, limit;
7563         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7564
7565         tg3_disable_ints(tp);
7566
7567         tg3_stop_fw(tp);
7568
7569         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7570
7571         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
7572                 tg3_abort_hw(tp, 1);
7573         }
7574
7575         if (reset_phy)
7576                 tg3_phy_reset(tp);
7577
7578         err = tg3_chip_reset(tp);
7579         if (err)
7580                 return err;
7581
7582         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7583
7584         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7585                 val = tr32(TG3_CPMU_CTRL);
7586                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7587                 tw32(TG3_CPMU_CTRL, val);
7588
7589                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7590                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7591                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7592                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7593
7594                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7595                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7596                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7597                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7598
7599                 val = tr32(TG3_CPMU_HST_ACC);
7600                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7601                 val |= CPMU_HST_ACC_MACCLK_6_25;
7602                 tw32(TG3_CPMU_HST_ACC, val);
7603         }
7604
7605         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7606                 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7607                 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7608                        PCIE_PWR_MGMT_L1_THRESH_4MS;
7609                 tw32(PCIE_PWR_MGMT_THRESH, val);
7610
7611                 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7612                 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7613
7614                 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7615
7616                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7617                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7618         }
7619
7620         if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7621                 u32 grc_mode = tr32(GRC_MODE);
7622
7623                 /* Access the lower 1K of PL PCIE block registers. */
7624                 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7625                 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7626
7627                 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7628                 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7629                      val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7630
7631                 tw32(GRC_MODE, grc_mode);
7632         }
7633
7634         /* This works around an issue with Athlon chipsets on
7635          * B3 tigon3 silicon.  This bit has no effect on any
7636          * other revision.  But do not set this on PCI Express
7637          * chips and don't even touch the clocks if the CPMU is present.
7638          */
7639         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7640                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7641                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7642                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7643         }
7644
7645         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7646             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7647                 val = tr32(TG3PCI_PCISTATE);
7648                 val |= PCISTATE_RETRY_SAME_DMA;
7649                 tw32(TG3PCI_PCISTATE, val);
7650         }
7651
7652         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7653                 /* Allow reads and writes to the
7654                  * APE register and memory space.
7655                  */
7656                 val = tr32(TG3PCI_PCISTATE);
7657                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7658                        PCISTATE_ALLOW_APE_SHMEM_WR;
7659                 tw32(TG3PCI_PCISTATE, val);
7660         }
7661
7662         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7663                 /* Enable some hw fixes.  */
7664                 val = tr32(TG3PCI_MSI_DATA);
7665                 val |= (1 << 26) | (1 << 28) | (1 << 29);
7666                 tw32(TG3PCI_MSI_DATA, val);
7667         }
7668
7669         /* Descriptor ring init may make accesses to the
7670          * NIC SRAM area to setup the TX descriptors, so we
7671          * can only do this after the hardware has been
7672          * successfully reset.
7673          */
7674         err = tg3_init_rings(tp);
7675         if (err)
7676                 return err;
7677
7678         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7679             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7680                 val = tr32(TG3PCI_DMA_RW_CTRL) &
7681                       ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7682                 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7683         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7684                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7685                 /* This value is determined during the probe time DMA
7686                  * engine test, tg3_test_dma.
7687                  */
7688                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7689         }
7690
7691         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7692                           GRC_MODE_4X_NIC_SEND_RINGS |
7693                           GRC_MODE_NO_TX_PHDR_CSUM |
7694                           GRC_MODE_NO_RX_PHDR_CSUM);
7695         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7696
7697         /* Pseudo-header checksum is done by hardware logic and not
7698          * the offload processers, so make the chip do the pseudo-
7699          * header checksums on receive.  For transmit it is more
7700          * convenient to do the pseudo-header checksum in software
7701          * as Linux does that on transmit for us in all cases.
7702          */
7703         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7704
7705         tw32(GRC_MODE,
7706              tp->grc_mode |
7707              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7708
7709         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
7710         val = tr32(GRC_MISC_CFG);
7711         val &= ~0xff;
7712         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7713         tw32(GRC_MISC_CFG, val);
7714
7715         /* Initialize MBUF/DESC pool. */
7716         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7717                 /* Do nothing.  */
7718         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7719                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7720                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7721                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7722                 else
7723                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7724                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7725                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7726         }
7727         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7728                 int fw_len;
7729
7730                 fw_len = tp->fw_len;
7731                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7732                 tw32(BUFMGR_MB_POOL_ADDR,
7733                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7734                 tw32(BUFMGR_MB_POOL_SIZE,
7735                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7736         }
7737
7738         if (tp->dev->mtu <= ETH_DATA_LEN) {
7739                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7740                      tp->bufmgr_config.mbuf_read_dma_low_water);
7741                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7742                      tp->bufmgr_config.mbuf_mac_rx_low_water);
7743                 tw32(BUFMGR_MB_HIGH_WATER,
7744                      tp->bufmgr_config.mbuf_high_water);
7745         } else {
7746                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7747                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7748                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7749                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7750                 tw32(BUFMGR_MB_HIGH_WATER,
7751                      tp->bufmgr_config.mbuf_high_water_jumbo);
7752         }
7753         tw32(BUFMGR_DMA_LOW_WATER,
7754              tp->bufmgr_config.dma_low_water);
7755         tw32(BUFMGR_DMA_HIGH_WATER,
7756              tp->bufmgr_config.dma_high_water);
7757
7758         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7759         for (i = 0; i < 2000; i++) {
7760                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7761                         break;
7762                 udelay(10);
7763         }
7764         if (i >= 2000) {
7765                 netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
7766                 return -ENODEV;
7767         }
7768
7769         /* Setup replenish threshold. */
7770         val = tp->rx_pending / 8;
7771         if (val == 0)
7772                 val = 1;
7773         else if (val > tp->rx_std_max_post)
7774                 val = tp->rx_std_max_post;
7775         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7776                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7777                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7778
7779                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7780                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7781         }
7782
7783         tw32(RCVBDI_STD_THRESH, val);
7784
7785         /* Initialize TG3_BDINFO's at:
7786          *  RCVDBDI_STD_BD:     standard eth size rx ring
7787          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
7788          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
7789          *
7790          * like so:
7791          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
7792          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
7793          *                              ring attribute flags
7794          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
7795          *
7796          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7797          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7798          *
7799          * The size of each ring is fixed in the firmware, but the location is
7800          * configurable.
7801          */
7802         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7803              ((u64) tpr->rx_std_mapping >> 32));
7804         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7805              ((u64) tpr->rx_std_mapping & 0xffffffff));
7806         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7807                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7808                      NIC_SRAM_RX_BUFFER_DESC);
7809
7810         /* Disable the mini ring */
7811         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7812                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7813                      BDINFO_FLAGS_DISABLED);
7814
7815         /* Program the jumbo buffer descriptor ring control
7816          * blocks on those devices that have them.
7817          */
7818         if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7819             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7820                 /* Setup replenish threshold. */
7821                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7822
7823                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7824                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7825                              ((u64) tpr->rx_jmb_mapping >> 32));
7826                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7827                              ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7828                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7829                              (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7830                              BDINFO_FLAGS_USE_EXT_RECV);
7831                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7832                                 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7833                                      NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7834                 } else {
7835                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7836                              BDINFO_FLAGS_DISABLED);
7837                 }
7838
7839                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7840                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7841                         val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7842                               (RX_STD_MAX_SIZE << 2);
7843                 else
7844                         val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7845         } else
7846                 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7847
7848         tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7849
7850         tpr->rx_std_prod_idx = tp->rx_pending;
7851         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
7852
7853         tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7854                           tp->rx_jumbo_pending : 0;
7855         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
7856
7857         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7858             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7859                 tw32(STD_REPLENISH_LWM, 32);
7860                 tw32(JMB_REPLENISH_LWM, 16);
7861         }
7862
7863         tg3_rings_reset(tp);
7864
7865         /* Initialize MAC address and backoff seed. */
7866         __tg3_set_mac_addr(tp, 0);
7867
7868         /* MTU + ethernet header + FCS + optional VLAN tag */
7869         tw32(MAC_RX_MTU_SIZE,
7870              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7871
7872         /* The slot time is changed by tg3_setup_phy if we
7873          * run at gigabit with half duplex.
7874          */
7875         tw32(MAC_TX_LENGTHS,
7876              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7877              (6 << TX_LENGTHS_IPG_SHIFT) |
7878              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7879
7880         /* Receive rules. */
7881         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7882         tw32(RCVLPC_CONFIG, 0x0181);
7883
7884         /* Calculate RDMAC_MODE setting early, we need it to determine
7885          * the RCVLPC_STATE_ENABLE mask.
7886          */
7887         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7888                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7889                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7890                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7891                       RDMAC_MODE_LNGREAD_ENAB);
7892
7893         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7894                 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
7895
7896         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7897             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7898             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7899                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7900                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7901                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7902
7903         /* If statement applies to 5705 and 5750 PCI devices only */
7904         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7905              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7906             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7907                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7908                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7909                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7910                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7911                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7912                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7913                 }
7914         }
7915
7916         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7917                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7918
7919         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7920                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7921
7922         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7923             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7924             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7925                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7926
7927         /* Receive/send statistics. */
7928         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7929                 val = tr32(RCVLPC_STATS_ENABLE);
7930                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7931                 tw32(RCVLPC_STATS_ENABLE, val);
7932         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7933                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7934                 val = tr32(RCVLPC_STATS_ENABLE);
7935                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7936                 tw32(RCVLPC_STATS_ENABLE, val);
7937         } else {
7938                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7939         }
7940         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7941         tw32(SNDDATAI_STATSENAB, 0xffffff);
7942         tw32(SNDDATAI_STATSCTRL,
7943              (SNDDATAI_SCTRL_ENABLE |
7944               SNDDATAI_SCTRL_FASTUPD));
7945
7946         /* Setup host coalescing engine. */
7947         tw32(HOSTCC_MODE, 0);
7948         for (i = 0; i < 2000; i++) {
7949                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7950                         break;
7951                 udelay(10);
7952         }
7953
7954         __tg3_set_coalesce(tp, &tp->coal);
7955
7956         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7957                 /* Status/statistics block address.  See tg3_timer,
7958                  * the tg3_periodic_fetch_stats call there, and
7959                  * tg3_get_stats to see how this works for 5705/5750 chips.
7960                  */
7961                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7962                      ((u64) tp->stats_mapping >> 32));
7963                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7964                      ((u64) tp->stats_mapping & 0xffffffff));
7965                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7966
7967                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7968
7969                 /* Clear statistics and status block memory areas */
7970                 for (i = NIC_SRAM_STATS_BLK;
7971                      i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7972                      i += sizeof(u32)) {
7973                         tg3_write_mem(tp, i, 0);
7974                         udelay(40);
7975                 }
7976         }
7977
7978         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7979
7980         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7981         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7982         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7983                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7984
7985         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7986                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7987                 /* reset to prevent losing 1st rx packet intermittently */
7988                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7989                 udelay(10);
7990         }
7991
7992         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7993                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7994         else
7995                 tp->mac_mode = 0;
7996         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7997                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7998         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7999             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8000             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8001                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8002         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8003         udelay(40);
8004
8005         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8006          * If TG3_FLG2_IS_NIC is zero, we should read the
8007          * register to preserve the GPIO settings for LOMs. The GPIOs,
8008          * whether used as inputs or outputs, are set by boot code after
8009          * reset.
8010          */
8011         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8012                 u32 gpio_mask;
8013
8014                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8015                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8016                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8017
8018                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8019                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8020                                      GRC_LCLCTRL_GPIO_OUTPUT3;
8021
8022                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8023                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8024
8025                 tp->grc_local_ctrl &= ~gpio_mask;
8026                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8027
8028                 /* GPIO1 must be driven high for eeprom write protect */
8029                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8030                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8031                                                GRC_LCLCTRL_GPIO_OUTPUT1);
8032         }
8033         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8034         udelay(100);
8035
8036         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8037                 val = tr32(MSGINT_MODE);
8038                 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8039                 tw32(MSGINT_MODE, val);
8040         }
8041
8042         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8043                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8044                 udelay(40);
8045         }
8046
8047         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8048                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8049                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8050                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8051                WDMAC_MODE_LNGREAD_ENAB);
8052
8053         /* If statement applies to 5705 and 5750 PCI devices only */
8054         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8055              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8056             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8057                 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8058                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8059                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8060                         /* nothing */
8061                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8062                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8063                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8064                         val |= WDMAC_MODE_RX_ACCEL;
8065                 }
8066         }
8067
8068         /* Enable host coalescing bug fix */
8069         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8070                 val |= WDMAC_MODE_STATUS_TAG_FIX;
8071
8072         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8073                 val |= WDMAC_MODE_BURST_ALL_DATA;
8074
8075         tw32_f(WDMAC_MODE, val);
8076         udelay(40);
8077
8078         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8079                 u16 pcix_cmd;
8080
8081                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8082                                      &pcix_cmd);
8083                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8084                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8085                         pcix_cmd |= PCI_X_CMD_READ_2K;
8086                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8087                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8088                         pcix_cmd |= PCI_X_CMD_READ_2K;
8089                 }
8090                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8091                                       pcix_cmd);
8092         }
8093
8094         tw32_f(RDMAC_MODE, rdmac_mode);
8095         udelay(40);
8096
8097         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8098         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8099                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8100
8101         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8102                 tw32(SNDDATAC_MODE,
8103                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8104         else
8105                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8106
8107         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8108         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8109         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8110         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8111         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8112                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8113         val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8114         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8115                 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8116         tw32(SNDBDI_MODE, val);
8117         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8118
8119         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8120                 err = tg3_load_5701_a0_firmware_fix(tp);
8121                 if (err)
8122                         return err;
8123         }
8124
8125         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8126                 err = tg3_load_tso_firmware(tp);
8127                 if (err)
8128                         return err;
8129         }
8130
8131         tp->tx_mode = TX_MODE_ENABLE;
8132         tw32_f(MAC_TX_MODE, tp->tx_mode);
8133         udelay(100);
8134
8135         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8136                 u32 reg = MAC_RSS_INDIR_TBL_0;
8137                 u8 *ent = (u8 *)&val;
8138
8139                 /* Setup the indirection table */
8140                 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8141                         int idx = i % sizeof(val);
8142
8143                         ent[idx] = i % (tp->irq_cnt - 1);
8144                         if (idx == sizeof(val) - 1) {
8145                                 tw32(reg, val);
8146                                 reg += 4;
8147                         }
8148                 }
8149
8150                 /* Setup the "secret" hash key. */
8151                 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8152                 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8153                 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8154                 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8155                 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8156                 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8157                 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8158                 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8159                 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8160                 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8161         }
8162
8163         tp->rx_mode = RX_MODE_ENABLE;
8164         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8165                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8166
8167         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8168                 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8169                                RX_MODE_RSS_ITBL_HASH_BITS_7 |
8170                                RX_MODE_RSS_IPV6_HASH_EN |
8171                                RX_MODE_RSS_TCP_IPV6_HASH_EN |
8172                                RX_MODE_RSS_IPV4_HASH_EN |
8173                                RX_MODE_RSS_TCP_IPV4_HASH_EN;
8174
8175         tw32_f(MAC_RX_MODE, tp->rx_mode);
8176         udelay(10);
8177
8178         tw32(MAC_LED_CTRL, tp->led_ctrl);
8179
8180         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8181         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8182                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8183                 udelay(10);
8184         }
8185         tw32_f(MAC_RX_MODE, tp->rx_mode);
8186         udelay(10);
8187
8188         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8189                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8190                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
8191                         /* Set drive transmission level to 1.2V  */
8192                         /* only if the signal pre-emphasis bit is not set  */
8193                         val = tr32(MAC_SERDES_CFG);
8194                         val &= 0xfffff000;
8195                         val |= 0x880;
8196                         tw32(MAC_SERDES_CFG, val);
8197                 }
8198                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8199                         tw32(MAC_SERDES_CFG, 0x616000);
8200         }
8201
8202         /* Prevent chip from dropping frames when flow control
8203          * is enabled.
8204          */
8205         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8206                 val = 1;
8207         else
8208                 val = 2;
8209         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8210
8211         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8212             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8213                 /* Use hardware link auto-negotiation */
8214                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8215         }
8216
8217         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
8218             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8219                 u32 tmp;
8220
8221                 tmp = tr32(SERDES_RX_CTRL);
8222                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8223                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8224                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8225                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8226         }
8227
8228         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8229                 if (tp->link_config.phy_is_low_power) {
8230                         tp->link_config.phy_is_low_power = 0;
8231                         tp->link_config.speed = tp->link_config.orig_speed;
8232                         tp->link_config.duplex = tp->link_config.orig_duplex;
8233                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
8234                 }
8235
8236                 err = tg3_setup_phy(tp, 0);
8237                 if (err)
8238                         return err;
8239
8240                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8241                     !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
8242                         u32 tmp;
8243
8244                         /* Clear CRC stats. */
8245                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8246                                 tg3_writephy(tp, MII_TG3_TEST1,
8247                                              tmp | MII_TG3_TEST1_CRC_EN);
8248                                 tg3_readphy(tp, 0x14, &tmp);
8249                         }
8250                 }
8251         }
8252
8253         __tg3_set_rx_mode(tp->dev);
8254
8255         /* Initialize receive rules. */
8256         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
8257         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8258         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
8259         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8260
8261         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8262             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8263                 limit = 8;
8264         else
8265                 limit = 16;
8266         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8267                 limit -= 4;
8268         switch (limit) {
8269         case 16:
8270                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
8271         case 15:
8272                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
8273         case 14:
8274                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
8275         case 13:
8276                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
8277         case 12:
8278                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
8279         case 11:
8280                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
8281         case 10:
8282                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
8283         case 9:
8284                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
8285         case 8:
8286                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
8287         case 7:
8288                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
8289         case 6:
8290                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
8291         case 5:
8292                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
8293         case 4:
8294                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
8295         case 3:
8296                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
8297         case 2:
8298         case 1:
8299
8300         default:
8301                 break;
8302         }
8303
8304         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8305                 /* Write our heartbeat update interval to APE. */
8306                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8307                                 APE_HOST_HEARTBEAT_INT_DISABLE);
8308
8309         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8310
8311         return 0;
8312 }
8313
8314 /* Called at device open time to get the chip ready for
8315  * packet processing.  Invoked with tp->lock held.
8316  */
8317 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8318 {
8319         tg3_switch_clocks(tp);
8320
8321         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8322
8323         return tg3_reset_hw(tp, reset_phy);
8324 }
8325
8326 #define TG3_STAT_ADD32(PSTAT, REG) \
8327 do {    u32 __val = tr32(REG); \
8328         (PSTAT)->low += __val; \
8329         if ((PSTAT)->low < __val) \
8330                 (PSTAT)->high += 1; \
8331 } while (0)
8332
8333 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8334 {
8335         struct tg3_hw_stats *sp = tp->hw_stats;
8336
8337         if (!netif_carrier_ok(tp->dev))
8338                 return;
8339
8340         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8341         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8342         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8343         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8344         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8345         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8346         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8347         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8348         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8349         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8350         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8351         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8352         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8353
8354         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8355         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8356         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8357         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8358         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8359         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8360         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8361         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8362         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8363         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8364         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8365         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8366         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8367         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8368
8369         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8370         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8371         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8372 }
8373
8374 static void tg3_timer(unsigned long __opaque)
8375 {
8376         struct tg3 *tp = (struct tg3 *) __opaque;
8377
8378         if (tp->irq_sync)
8379                 goto restart_timer;
8380
8381         spin_lock(&tp->lock);
8382
8383         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8384                 /* All of this garbage is because when using non-tagged
8385                  * IRQ status the mailbox/status_block protocol the chip
8386                  * uses with the cpu is race prone.
8387                  */
8388                 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8389                         tw32(GRC_LOCAL_CTRL,
8390                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8391                 } else {
8392                         tw32(HOSTCC_MODE, tp->coalesce_mode |
8393                              HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8394                 }
8395
8396                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8397                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8398                         spin_unlock(&tp->lock);
8399                         schedule_work(&tp->reset_task);
8400                         return;
8401                 }
8402         }
8403
8404         /* This part only runs once per second. */
8405         if (!--tp->timer_counter) {
8406                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8407                         tg3_periodic_fetch_stats(tp);
8408
8409                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8410                         u32 mac_stat;
8411                         int phy_event;
8412
8413                         mac_stat = tr32(MAC_STATUS);
8414
8415                         phy_event = 0;
8416                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8417                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8418                                         phy_event = 1;
8419                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8420                                 phy_event = 1;
8421
8422                         if (phy_event)
8423                                 tg3_setup_phy(tp, 0);
8424                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8425                         u32 mac_stat = tr32(MAC_STATUS);
8426                         int need_setup = 0;
8427
8428                         if (netif_carrier_ok(tp->dev) &&
8429                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8430                                 need_setup = 1;
8431                         }
8432                         if (! netif_carrier_ok(tp->dev) &&
8433                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
8434                                          MAC_STATUS_SIGNAL_DET))) {
8435                                 need_setup = 1;
8436                         }
8437                         if (need_setup) {
8438                                 if (!tp->serdes_counter) {
8439                                         tw32_f(MAC_MODE,
8440                                              (tp->mac_mode &
8441                                               ~MAC_MODE_PORT_MODE_MASK));
8442                                         udelay(40);
8443                                         tw32_f(MAC_MODE, tp->mac_mode);
8444                                         udelay(40);
8445                                 }
8446                                 tg3_setup_phy(tp, 0);
8447                         }
8448                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8449                         tg3_serdes_parallel_detect(tp);
8450
8451                 tp->timer_counter = tp->timer_multiplier;
8452         }
8453
8454         /* Heartbeat is only sent once every 2 seconds.
8455          *
8456          * The heartbeat is to tell the ASF firmware that the host
8457          * driver is still alive.  In the event that the OS crashes,
8458          * ASF needs to reset the hardware to free up the FIFO space
8459          * that may be filled with rx packets destined for the host.
8460          * If the FIFO is full, ASF will no longer function properly.
8461          *
8462          * Unintended resets have been reported on real time kernels
8463          * where the timer doesn't run on time.  Netpoll will also have
8464          * same problem.
8465          *
8466          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8467          * to check the ring condition when the heartbeat is expiring
8468          * before doing the reset.  This will prevent most unintended
8469          * resets.
8470          */
8471         if (!--tp->asf_counter) {
8472                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8473                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8474                         tg3_wait_for_event_ack(tp);
8475
8476                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8477                                       FWCMD_NICDRV_ALIVE3);
8478                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8479                         /* 5 seconds timeout */
8480                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
8481
8482                         tg3_generate_fw_event(tp);
8483                 }
8484                 tp->asf_counter = tp->asf_multiplier;
8485         }
8486
8487         spin_unlock(&tp->lock);
8488
8489 restart_timer:
8490         tp->timer.expires = jiffies + tp->timer_offset;
8491         add_timer(&tp->timer);
8492 }
8493
8494 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8495 {
8496         irq_handler_t fn;
8497         unsigned long flags;
8498         char *name;
8499         struct tg3_napi *tnapi = &tp->napi[irq_num];
8500
8501         if (tp->irq_cnt == 1)
8502                 name = tp->dev->name;
8503         else {
8504                 name = &tnapi->irq_lbl[0];
8505                 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8506                 name[IFNAMSIZ-1] = 0;
8507         }
8508
8509         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8510                 fn = tg3_msi;
8511                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8512                         fn = tg3_msi_1shot;
8513                 flags = IRQF_SAMPLE_RANDOM;
8514         } else {
8515                 fn = tg3_interrupt;
8516                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8517                         fn = tg3_interrupt_tagged;
8518                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8519         }
8520
8521         return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8522 }
8523
8524 static int tg3_test_interrupt(struct tg3 *tp)
8525 {
8526         struct tg3_napi *tnapi = &tp->napi[0];
8527         struct net_device *dev = tp->dev;
8528         int err, i, intr_ok = 0;
8529         u32 val;
8530
8531         if (!netif_running(dev))
8532                 return -ENODEV;
8533
8534         tg3_disable_ints(tp);
8535
8536         free_irq(tnapi->irq_vec, tnapi);
8537
8538         /*
8539          * Turn off MSI one shot mode.  Otherwise this test has no
8540          * observable way to know whether the interrupt was delivered.
8541          */
8542         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8543              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8544             (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8545                 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8546                 tw32(MSGINT_MODE, val);
8547         }
8548
8549         err = request_irq(tnapi->irq_vec, tg3_test_isr,
8550                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8551         if (err)
8552                 return err;
8553
8554         tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8555         tg3_enable_ints(tp);
8556
8557         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8558                tnapi->coal_now);
8559
8560         for (i = 0; i < 5; i++) {
8561                 u32 int_mbox, misc_host_ctrl;
8562
8563                 int_mbox = tr32_mailbox(tnapi->int_mbox);
8564                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8565
8566                 if ((int_mbox != 0) ||
8567                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8568                         intr_ok = 1;
8569                         break;
8570                 }
8571
8572                 msleep(10);
8573         }
8574
8575         tg3_disable_ints(tp);
8576
8577         free_irq(tnapi->irq_vec, tnapi);
8578
8579         err = tg3_request_irq(tp, 0);
8580
8581         if (err)
8582                 return err;
8583
8584         if (intr_ok) {
8585                 /* Reenable MSI one shot mode. */
8586                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8587                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8588                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8589                         val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8590                         tw32(MSGINT_MODE, val);
8591                 }
8592                 return 0;
8593         }
8594
8595         return -EIO;
8596 }
8597
8598 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8599  * successfully restored
8600  */
8601 static int tg3_test_msi(struct tg3 *tp)
8602 {
8603         int err;
8604         u16 pci_cmd;
8605
8606         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8607                 return 0;
8608
8609         /* Turn off SERR reporting in case MSI terminates with Master
8610          * Abort.
8611          */
8612         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8613         pci_write_config_word(tp->pdev, PCI_COMMAND,
8614                               pci_cmd & ~PCI_COMMAND_SERR);
8615
8616         err = tg3_test_interrupt(tp);
8617
8618         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8619
8620         if (!err)
8621                 return 0;
8622
8623         /* other failures */
8624         if (err != -EIO)
8625                 return err;
8626
8627         /* MSI test failed, go back to INTx mode */
8628         netdev_warn(tp->dev, "No interrupt was generated using MSI, switching to INTx mode\n"
8629                     "Please report this failure to the PCI maintainer and include system chipset information\n");
8630
8631         free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8632
8633         pci_disable_msi(tp->pdev);
8634
8635         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8636         tp->napi[0].irq_vec = tp->pdev->irq;
8637
8638         err = tg3_request_irq(tp, 0);
8639         if (err)
8640                 return err;
8641
8642         /* Need to reset the chip because the MSI cycle may have terminated
8643          * with Master Abort.
8644          */
8645         tg3_full_lock(tp, 1);
8646
8647         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8648         err = tg3_init_hw(tp, 1);
8649
8650         tg3_full_unlock(tp);
8651
8652         if (err)
8653                 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8654
8655         return err;
8656 }
8657
8658 static int tg3_request_firmware(struct tg3 *tp)
8659 {
8660         const __be32 *fw_data;
8661
8662         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8663                 netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
8664                            tp->fw_needed);
8665                 return -ENOENT;
8666         }
8667
8668         fw_data = (void *)tp->fw->data;
8669
8670         /* Firmware blob starts with version numbers, followed by
8671          * start address and _full_ length including BSS sections
8672          * (which must be longer than the actual data, of course
8673          */
8674
8675         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
8676         if (tp->fw_len < (tp->fw->size - 12)) {
8677                 netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
8678                            tp->fw_len, tp->fw_needed);
8679                 release_firmware(tp->fw);
8680                 tp->fw = NULL;
8681                 return -EINVAL;
8682         }
8683
8684         /* We no longer need firmware; we have it. */
8685         tp->fw_needed = NULL;
8686         return 0;
8687 }
8688
8689 static bool tg3_enable_msix(struct tg3 *tp)
8690 {
8691         int i, rc, cpus = num_online_cpus();
8692         struct msix_entry msix_ent[tp->irq_max];
8693
8694         if (cpus == 1)
8695                 /* Just fallback to the simpler MSI mode. */
8696                 return false;
8697
8698         /*
8699          * We want as many rx rings enabled as there are cpus.
8700          * The first MSIX vector only deals with link interrupts, etc,
8701          * so we add one to the number of vectors we are requesting.
8702          */
8703         tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8704
8705         for (i = 0; i < tp->irq_max; i++) {
8706                 msix_ent[i].entry  = i;
8707                 msix_ent[i].vector = 0;
8708         }
8709
8710         rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8711         if (rc != 0) {
8712                 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8713                         return false;
8714                 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8715                         return false;
8716                 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
8717                               tp->irq_cnt, rc);
8718                 tp->irq_cnt = rc;
8719         }
8720
8721         tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8722
8723         for (i = 0; i < tp->irq_max; i++)
8724                 tp->napi[i].irq_vec = msix_ent[i].vector;
8725
8726         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8727                 tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
8728                 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8729         } else
8730                 tp->dev->real_num_tx_queues = 1;
8731
8732         return true;
8733 }
8734
8735 static void tg3_ints_init(struct tg3 *tp)
8736 {
8737         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8738             !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8739                 /* All MSI supporting chips should support tagged
8740                  * status.  Assert that this is the case.
8741                  */
8742                 netdev_warn(tp->dev, "MSI without TAGGED? Not using MSI\n");
8743                 goto defcfg;
8744         }
8745
8746         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8747                 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8748         else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8749                  pci_enable_msi(tp->pdev) == 0)
8750                 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8751
8752         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8753                 u32 msi_mode = tr32(MSGINT_MODE);
8754                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8755                         msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8756                 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8757         }
8758 defcfg:
8759         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8760                 tp->irq_cnt = 1;
8761                 tp->napi[0].irq_vec = tp->pdev->irq;
8762                 tp->dev->real_num_tx_queues = 1;
8763         }
8764 }
8765
8766 static void tg3_ints_fini(struct tg3 *tp)
8767 {
8768         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8769                 pci_disable_msix(tp->pdev);
8770         else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8771                 pci_disable_msi(tp->pdev);
8772         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8773         tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
8774 }
8775
8776 static int tg3_open(struct net_device *dev)
8777 {
8778         struct tg3 *tp = netdev_priv(dev);
8779         int i, err;
8780
8781         if (tp->fw_needed) {
8782                 err = tg3_request_firmware(tp);
8783                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8784                         if (err)
8785                                 return err;
8786                 } else if (err) {
8787                         netdev_warn(tp->dev, "TSO capability disabled\n");
8788                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8789                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8790                         netdev_notice(tp->dev, "TSO capability restored\n");
8791                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8792                 }
8793         }
8794
8795         netif_carrier_off(tp->dev);
8796
8797         err = tg3_set_power_state(tp, PCI_D0);
8798         if (err)
8799                 return err;
8800
8801         tg3_full_lock(tp, 0);
8802
8803         tg3_disable_ints(tp);
8804         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8805
8806         tg3_full_unlock(tp);
8807
8808         /*
8809          * Setup interrupts first so we know how
8810          * many NAPI resources to allocate
8811          */
8812         tg3_ints_init(tp);
8813
8814         /* The placement of this call is tied
8815          * to the setup and use of Host TX descriptors.
8816          */
8817         err = tg3_alloc_consistent(tp);
8818         if (err)
8819                 goto err_out1;
8820
8821         tg3_napi_enable(tp);
8822
8823         for (i = 0; i < tp->irq_cnt; i++) {
8824                 struct tg3_napi *tnapi = &tp->napi[i];
8825                 err = tg3_request_irq(tp, i);
8826                 if (err) {
8827                         for (i--; i >= 0; i--)
8828                                 free_irq(tnapi->irq_vec, tnapi);
8829                         break;
8830                 }
8831         }
8832
8833         if (err)
8834                 goto err_out2;
8835
8836         tg3_full_lock(tp, 0);
8837
8838         err = tg3_init_hw(tp, 1);
8839         if (err) {
8840                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8841                 tg3_free_rings(tp);
8842         } else {
8843                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8844                         tp->timer_offset = HZ;
8845                 else
8846                         tp->timer_offset = HZ / 10;
8847
8848                 BUG_ON(tp->timer_offset > HZ);
8849                 tp->timer_counter = tp->timer_multiplier =
8850                         (HZ / tp->timer_offset);
8851                 tp->asf_counter = tp->asf_multiplier =
8852                         ((HZ / tp->timer_offset) * 2);
8853
8854                 init_timer(&tp->timer);
8855                 tp->timer.expires = jiffies + tp->timer_offset;
8856                 tp->timer.data = (unsigned long) tp;
8857                 tp->timer.function = tg3_timer;
8858         }
8859
8860         tg3_full_unlock(tp);
8861
8862         if (err)
8863                 goto err_out3;
8864
8865         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8866                 err = tg3_test_msi(tp);
8867
8868                 if (err) {
8869                         tg3_full_lock(tp, 0);
8870                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8871                         tg3_free_rings(tp);
8872                         tg3_full_unlock(tp);
8873
8874                         goto err_out2;
8875                 }
8876
8877                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8878                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 &&
8879                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8880                     (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8881                         u32 val = tr32(PCIE_TRANSACTION_CFG);
8882
8883                         tw32(PCIE_TRANSACTION_CFG,
8884                              val | PCIE_TRANS_CFG_1SHOT_MSI);
8885                 }
8886         }
8887
8888         tg3_phy_start(tp);
8889
8890         tg3_full_lock(tp, 0);
8891
8892         add_timer(&tp->timer);
8893         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8894         tg3_enable_ints(tp);
8895
8896         tg3_full_unlock(tp);
8897
8898         netif_tx_start_all_queues(dev);
8899
8900         return 0;
8901
8902 err_out3:
8903         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8904                 struct tg3_napi *tnapi = &tp->napi[i];
8905                 free_irq(tnapi->irq_vec, tnapi);
8906         }
8907
8908 err_out2:
8909         tg3_napi_disable(tp);
8910         tg3_free_consistent(tp);
8911
8912 err_out1:
8913         tg3_ints_fini(tp);
8914         return err;
8915 }
8916
8917 #if 0
8918 /*static*/ void tg3_dump_state(struct tg3 *tp)
8919 {
8920         u32 val32, val32_2, val32_3, val32_4, val32_5;
8921         u16 val16;
8922         int i;
8923         struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
8924
8925         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8926         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8927         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8928                val16, val32);
8929
8930         /* MAC block */
8931         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8932                tr32(MAC_MODE), tr32(MAC_STATUS));
8933         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8934                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8935         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8936                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8937         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8938                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8939
8940         /* Send data initiator control block */
8941         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8942                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8943         printk("       SNDDATAI_STATSCTRL[%08x]\n",
8944                tr32(SNDDATAI_STATSCTRL));
8945
8946         /* Send data completion control block */
8947         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8948
8949         /* Send BD ring selector block */
8950         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8951                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8952
8953         /* Send BD initiator control block */
8954         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8955                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8956
8957         /* Send BD completion control block */
8958         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8959
8960         /* Receive list placement control block */
8961         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8962                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8963         printk("       RCVLPC_STATSCTRL[%08x]\n",
8964                tr32(RCVLPC_STATSCTRL));
8965
8966         /* Receive data and receive BD initiator control block */
8967         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8968                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8969
8970         /* Receive data completion control block */
8971         printk("DEBUG: RCVDCC_MODE[%08x]\n",
8972                tr32(RCVDCC_MODE));
8973
8974         /* Receive BD initiator control block */
8975         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
8976                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
8977
8978         /* Receive BD completion control block */
8979         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
8980                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
8981
8982         /* Receive list selector control block */
8983         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
8984                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
8985
8986         /* Mbuf cluster free block */
8987         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
8988                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
8989
8990         /* Host coalescing control block */
8991         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
8992                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
8993         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
8994                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8995                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8996         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
8997                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8998                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8999         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
9000                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
9001         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
9002                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
9003
9004         /* Memory arbiter control block */
9005         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
9006                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
9007
9008         /* Buffer manager control block */
9009         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
9010                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
9011         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
9012                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
9013         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
9014                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
9015                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
9016                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
9017
9018         /* Read DMA control block */
9019         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
9020                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
9021
9022         /* Write DMA control block */
9023         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
9024                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
9025
9026         /* DMA completion block */
9027         printk("DEBUG: DMAC_MODE[%08x]\n",
9028                tr32(DMAC_MODE));
9029
9030         /* GRC block */
9031         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
9032                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
9033         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
9034                tr32(GRC_LOCAL_CTRL));
9035
9036         /* TG3_BDINFOs */
9037         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
9038                tr32(RCVDBDI_JUMBO_BD + 0x0),
9039                tr32(RCVDBDI_JUMBO_BD + 0x4),
9040                tr32(RCVDBDI_JUMBO_BD + 0x8),
9041                tr32(RCVDBDI_JUMBO_BD + 0xc));
9042         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
9043                tr32(RCVDBDI_STD_BD + 0x0),
9044                tr32(RCVDBDI_STD_BD + 0x4),
9045                tr32(RCVDBDI_STD_BD + 0x8),
9046                tr32(RCVDBDI_STD_BD + 0xc));
9047         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
9048                tr32(RCVDBDI_MINI_BD + 0x0),
9049                tr32(RCVDBDI_MINI_BD + 0x4),
9050                tr32(RCVDBDI_MINI_BD + 0x8),
9051                tr32(RCVDBDI_MINI_BD + 0xc));
9052
9053         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
9054         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
9055         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
9056         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
9057         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
9058                val32, val32_2, val32_3, val32_4);
9059
9060         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
9061         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
9062         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
9063         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
9064         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
9065                val32, val32_2, val32_3, val32_4);
9066
9067         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
9068         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
9069         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
9070         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
9071         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
9072         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
9073                val32, val32_2, val32_3, val32_4, val32_5);
9074
9075         /* SW status block */
9076         printk(KERN_DEBUG
9077          "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
9078                sblk->status,
9079                sblk->status_tag,
9080                sblk->rx_jumbo_consumer,
9081                sblk->rx_consumer,
9082                sblk->rx_mini_consumer,
9083                sblk->idx[0].rx_producer,
9084                sblk->idx[0].tx_consumer);
9085
9086         /* SW statistics block */
9087         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
9088                ((u32 *)tp->hw_stats)[0],
9089                ((u32 *)tp->hw_stats)[1],
9090                ((u32 *)tp->hw_stats)[2],
9091                ((u32 *)tp->hw_stats)[3]);
9092
9093         /* Mailboxes */
9094         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
9095                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
9096                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
9097                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
9098                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
9099
9100         /* NIC side send descriptors. */
9101         for (i = 0; i < 6; i++) {
9102                 unsigned long txd;
9103
9104                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
9105                         + (i * sizeof(struct tg3_tx_buffer_desc));
9106                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
9107                        i,
9108                        readl(txd + 0x0), readl(txd + 0x4),
9109                        readl(txd + 0x8), readl(txd + 0xc));
9110         }
9111
9112         /* NIC side RX descriptors. */
9113         for (i = 0; i < 6; i++) {
9114                 unsigned long rxd;
9115
9116                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
9117                         + (i * sizeof(struct tg3_rx_buffer_desc));
9118                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
9119                        i,
9120                        readl(rxd + 0x0), readl(rxd + 0x4),
9121                        readl(rxd + 0x8), readl(rxd + 0xc));
9122                 rxd += (4 * sizeof(u32));
9123                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
9124                        i,
9125                        readl(rxd + 0x0), readl(rxd + 0x4),
9126                        readl(rxd + 0x8), readl(rxd + 0xc));
9127         }
9128
9129         for (i = 0; i < 6; i++) {
9130                 unsigned long rxd;
9131
9132                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
9133                         + (i * sizeof(struct tg3_rx_buffer_desc));
9134                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
9135                        i,
9136                        readl(rxd + 0x0), readl(rxd + 0x4),
9137                        readl(rxd + 0x8), readl(rxd + 0xc));
9138                 rxd += (4 * sizeof(u32));
9139                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
9140                        i,
9141                        readl(rxd + 0x0), readl(rxd + 0x4),
9142                        readl(rxd + 0x8), readl(rxd + 0xc));
9143         }
9144 }
9145 #endif
9146
9147 static struct net_device_stats *tg3_get_stats(struct net_device *);
9148 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9149
9150 static int tg3_close(struct net_device *dev)
9151 {
9152         int i;
9153         struct tg3 *tp = netdev_priv(dev);
9154
9155         tg3_napi_disable(tp);
9156         cancel_work_sync(&tp->reset_task);
9157
9158         netif_tx_stop_all_queues(dev);
9159
9160         del_timer_sync(&tp->timer);
9161
9162         tg3_phy_stop(tp);
9163
9164         tg3_full_lock(tp, 1);
9165 #if 0
9166         tg3_dump_state(tp);
9167 #endif
9168
9169         tg3_disable_ints(tp);
9170
9171         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9172         tg3_free_rings(tp);
9173         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9174
9175         tg3_full_unlock(tp);
9176
9177         for (i = tp->irq_cnt - 1; i >= 0; i--) {
9178                 struct tg3_napi *tnapi = &tp->napi[i];
9179                 free_irq(tnapi->irq_vec, tnapi);
9180         }
9181
9182         tg3_ints_fini(tp);
9183
9184         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
9185                sizeof(tp->net_stats_prev));
9186         memcpy(&tp->estats_prev, tg3_get_estats(tp),
9187                sizeof(tp->estats_prev));
9188
9189         tg3_free_consistent(tp);
9190
9191         tg3_set_power_state(tp, PCI_D3hot);
9192
9193         netif_carrier_off(tp->dev);
9194
9195         return 0;
9196 }
9197
9198 static inline unsigned long get_stat64(tg3_stat64_t *val)
9199 {
9200         unsigned long ret;
9201
9202 #if (BITS_PER_LONG == 32)
9203         ret = val->low;
9204 #else
9205         ret = ((u64)val->high << 32) | ((u64)val->low);
9206 #endif
9207         return ret;
9208 }
9209
9210 static inline u64 get_estat64(tg3_stat64_t *val)
9211 {
9212        return ((u64)val->high << 32) | ((u64)val->low);
9213 }
9214
9215 static unsigned long calc_crc_errors(struct tg3 *tp)
9216 {
9217         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9218
9219         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9220             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9221              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9222                 u32 val;
9223
9224                 spin_lock_bh(&tp->lock);
9225                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9226                         tg3_writephy(tp, MII_TG3_TEST1,
9227                                      val | MII_TG3_TEST1_CRC_EN);
9228                         tg3_readphy(tp, 0x14, &val);
9229                 } else
9230                         val = 0;
9231                 spin_unlock_bh(&tp->lock);
9232
9233                 tp->phy_crc_errors += val;
9234
9235                 return tp->phy_crc_errors;
9236         }
9237
9238         return get_stat64(&hw_stats->rx_fcs_errors);
9239 }
9240
9241 #define ESTAT_ADD(member) \
9242         estats->member =        old_estats->member + \
9243                                 get_estat64(&hw_stats->member)
9244
9245 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9246 {
9247         struct tg3_ethtool_stats *estats = &tp->estats;
9248         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9249         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9250
9251         if (!hw_stats)
9252                 return old_estats;
9253
9254         ESTAT_ADD(rx_octets);
9255         ESTAT_ADD(rx_fragments);
9256         ESTAT_ADD(rx_ucast_packets);
9257         ESTAT_ADD(rx_mcast_packets);
9258         ESTAT_ADD(rx_bcast_packets);
9259         ESTAT_ADD(rx_fcs_errors);
9260         ESTAT_ADD(rx_align_errors);
9261         ESTAT_ADD(rx_xon_pause_rcvd);
9262         ESTAT_ADD(rx_xoff_pause_rcvd);
9263         ESTAT_ADD(rx_mac_ctrl_rcvd);
9264         ESTAT_ADD(rx_xoff_entered);
9265         ESTAT_ADD(rx_frame_too_long_errors);
9266         ESTAT_ADD(rx_jabbers);
9267         ESTAT_ADD(rx_undersize_packets);
9268         ESTAT_ADD(rx_in_length_errors);
9269         ESTAT_ADD(rx_out_length_errors);
9270         ESTAT_ADD(rx_64_or_less_octet_packets);
9271         ESTAT_ADD(rx_65_to_127_octet_packets);
9272         ESTAT_ADD(rx_128_to_255_octet_packets);
9273         ESTAT_ADD(rx_256_to_511_octet_packets);
9274         ESTAT_ADD(rx_512_to_1023_octet_packets);
9275         ESTAT_ADD(rx_1024_to_1522_octet_packets);
9276         ESTAT_ADD(rx_1523_to_2047_octet_packets);
9277         ESTAT_ADD(rx_2048_to_4095_octet_packets);
9278         ESTAT_ADD(rx_4096_to_8191_octet_packets);
9279         ESTAT_ADD(rx_8192_to_9022_octet_packets);
9280
9281         ESTAT_ADD(tx_octets);
9282         ESTAT_ADD(tx_collisions);
9283         ESTAT_ADD(tx_xon_sent);
9284         ESTAT_ADD(tx_xoff_sent);
9285         ESTAT_ADD(tx_flow_control);
9286         ESTAT_ADD(tx_mac_errors);
9287         ESTAT_ADD(tx_single_collisions);
9288         ESTAT_ADD(tx_mult_collisions);
9289         ESTAT_ADD(tx_deferred);
9290         ESTAT_ADD(tx_excessive_collisions);
9291         ESTAT_ADD(tx_late_collisions);
9292         ESTAT_ADD(tx_collide_2times);
9293         ESTAT_ADD(tx_collide_3times);
9294         ESTAT_ADD(tx_collide_4times);
9295         ESTAT_ADD(tx_collide_5times);
9296         ESTAT_ADD(tx_collide_6times);
9297         ESTAT_ADD(tx_collide_7times);
9298         ESTAT_ADD(tx_collide_8times);
9299         ESTAT_ADD(tx_collide_9times);
9300         ESTAT_ADD(tx_collide_10times);
9301         ESTAT_ADD(tx_collide_11times);
9302         ESTAT_ADD(tx_collide_12times);
9303         ESTAT_ADD(tx_collide_13times);
9304         ESTAT_ADD(tx_collide_14times);
9305         ESTAT_ADD(tx_collide_15times);
9306         ESTAT_ADD(tx_ucast_packets);
9307         ESTAT_ADD(tx_mcast_packets);
9308         ESTAT_ADD(tx_bcast_packets);
9309         ESTAT_ADD(tx_carrier_sense_errors);
9310         ESTAT_ADD(tx_discards);
9311         ESTAT_ADD(tx_errors);
9312
9313         ESTAT_ADD(dma_writeq_full);
9314         ESTAT_ADD(dma_write_prioq_full);
9315         ESTAT_ADD(rxbds_empty);
9316         ESTAT_ADD(rx_discards);
9317         ESTAT_ADD(rx_errors);
9318         ESTAT_ADD(rx_threshold_hit);
9319
9320         ESTAT_ADD(dma_readq_full);
9321         ESTAT_ADD(dma_read_prioq_full);
9322         ESTAT_ADD(tx_comp_queue_full);
9323
9324         ESTAT_ADD(ring_set_send_prod_index);
9325         ESTAT_ADD(ring_status_update);
9326         ESTAT_ADD(nic_irqs);
9327         ESTAT_ADD(nic_avoided_irqs);
9328         ESTAT_ADD(nic_tx_threshold_hit);
9329
9330         return estats;
9331 }
9332
9333 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
9334 {
9335         struct tg3 *tp = netdev_priv(dev);
9336         struct net_device_stats *stats = &tp->net_stats;
9337         struct net_device_stats *old_stats = &tp->net_stats_prev;
9338         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9339
9340         if (!hw_stats)
9341                 return old_stats;
9342
9343         stats->rx_packets = old_stats->rx_packets +
9344                 get_stat64(&hw_stats->rx_ucast_packets) +
9345                 get_stat64(&hw_stats->rx_mcast_packets) +
9346                 get_stat64(&hw_stats->rx_bcast_packets);
9347
9348         stats->tx_packets = old_stats->tx_packets +
9349                 get_stat64(&hw_stats->tx_ucast_packets) +
9350                 get_stat64(&hw_stats->tx_mcast_packets) +
9351                 get_stat64(&hw_stats->tx_bcast_packets);
9352
9353         stats->rx_bytes = old_stats->rx_bytes +
9354                 get_stat64(&hw_stats->rx_octets);
9355         stats->tx_bytes = old_stats->tx_bytes +
9356                 get_stat64(&hw_stats->tx_octets);
9357
9358         stats->rx_errors = old_stats->rx_errors +
9359                 get_stat64(&hw_stats->rx_errors);
9360         stats->tx_errors = old_stats->tx_errors +
9361                 get_stat64(&hw_stats->tx_errors) +
9362                 get_stat64(&hw_stats->tx_mac_errors) +
9363                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9364                 get_stat64(&hw_stats->tx_discards);
9365
9366         stats->multicast = old_stats->multicast +
9367                 get_stat64(&hw_stats->rx_mcast_packets);
9368         stats->collisions = old_stats->collisions +
9369                 get_stat64(&hw_stats->tx_collisions);
9370
9371         stats->rx_length_errors = old_stats->rx_length_errors +
9372                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9373                 get_stat64(&hw_stats->rx_undersize_packets);
9374
9375         stats->rx_over_errors = old_stats->rx_over_errors +
9376                 get_stat64(&hw_stats->rxbds_empty);
9377         stats->rx_frame_errors = old_stats->rx_frame_errors +
9378                 get_stat64(&hw_stats->rx_align_errors);
9379         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9380                 get_stat64(&hw_stats->tx_discards);
9381         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9382                 get_stat64(&hw_stats->tx_carrier_sense_errors);
9383
9384         stats->rx_crc_errors = old_stats->rx_crc_errors +
9385                 calc_crc_errors(tp);
9386
9387         stats->rx_missed_errors = old_stats->rx_missed_errors +
9388                 get_stat64(&hw_stats->rx_discards);
9389
9390         return stats;
9391 }
9392
9393 static inline u32 calc_crc(unsigned char *buf, int len)
9394 {
9395         u32 reg;
9396         u32 tmp;
9397         int j, k;
9398
9399         reg = 0xffffffff;
9400
9401         for (j = 0; j < len; j++) {
9402                 reg ^= buf[j];
9403
9404                 for (k = 0; k < 8; k++) {
9405                         tmp = reg & 0x01;
9406
9407                         reg >>= 1;
9408
9409                         if (tmp) {
9410                                 reg ^= 0xedb88320;
9411                         }
9412                 }
9413         }
9414
9415         return ~reg;
9416 }
9417
9418 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9419 {
9420         /* accept or reject all multicast frames */
9421         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9422         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9423         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9424         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9425 }
9426
9427 static void __tg3_set_rx_mode(struct net_device *dev)
9428 {
9429         struct tg3 *tp = netdev_priv(dev);
9430         u32 rx_mode;
9431
9432         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9433                                   RX_MODE_KEEP_VLAN_TAG);
9434
9435         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9436          * flag clear.
9437          */
9438 #if TG3_VLAN_TAG_USED
9439         if (!tp->vlgrp &&
9440             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9441                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9442 #else
9443         /* By definition, VLAN is disabled always in this
9444          * case.
9445          */
9446         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9447                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9448 #endif
9449
9450         if (dev->flags & IFF_PROMISC) {
9451                 /* Promiscuous mode. */
9452                 rx_mode |= RX_MODE_PROMISC;
9453         } else if (dev->flags & IFF_ALLMULTI) {
9454                 /* Accept all multicast. */
9455                 tg3_set_multi (tp, 1);
9456         } else if (netdev_mc_empty(dev)) {
9457                 /* Reject all multicast. */
9458                 tg3_set_multi (tp, 0);
9459         } else {
9460                 /* Accept one or more multicast(s). */
9461                 struct dev_mc_list *mclist;
9462                 u32 mc_filter[4] = { 0, };
9463                 u32 regidx;
9464                 u32 bit;
9465                 u32 crc;
9466
9467                 netdev_for_each_mc_addr(mclist, dev) {
9468                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9469                         bit = ~crc & 0x7f;
9470                         regidx = (bit & 0x60) >> 5;
9471                         bit &= 0x1f;
9472                         mc_filter[regidx] |= (1 << bit);
9473                 }
9474
9475                 tw32(MAC_HASH_REG_0, mc_filter[0]);
9476                 tw32(MAC_HASH_REG_1, mc_filter[1]);
9477                 tw32(MAC_HASH_REG_2, mc_filter[2]);
9478                 tw32(MAC_HASH_REG_3, mc_filter[3]);
9479         }
9480
9481         if (rx_mode != tp->rx_mode) {
9482                 tp->rx_mode = rx_mode;
9483                 tw32_f(MAC_RX_MODE, rx_mode);
9484                 udelay(10);
9485         }
9486 }
9487
9488 static void tg3_set_rx_mode(struct net_device *dev)
9489 {
9490         struct tg3 *tp = netdev_priv(dev);
9491
9492         if (!netif_running(dev))
9493                 return;
9494
9495         tg3_full_lock(tp, 0);
9496         __tg3_set_rx_mode(dev);
9497         tg3_full_unlock(tp);
9498 }
9499
9500 #define TG3_REGDUMP_LEN         (32 * 1024)
9501
9502 static int tg3_get_regs_len(struct net_device *dev)
9503 {
9504         return TG3_REGDUMP_LEN;
9505 }
9506
9507 static void tg3_get_regs(struct net_device *dev,
9508                 struct ethtool_regs *regs, void *_p)
9509 {
9510         u32 *p = _p;
9511         struct tg3 *tp = netdev_priv(dev);
9512         u8 *orig_p = _p;
9513         int i;
9514
9515         regs->version = 0;
9516
9517         memset(p, 0, TG3_REGDUMP_LEN);
9518
9519         if (tp->link_config.phy_is_low_power)
9520                 return;
9521
9522         tg3_full_lock(tp, 0);
9523
9524 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
9525 #define GET_REG32_LOOP(base,len)                \
9526 do {    p = (u32 *)(orig_p + (base));           \
9527         for (i = 0; i < len; i += 4)            \
9528                 __GET_REG32((base) + i);        \
9529 } while (0)
9530 #define GET_REG32_1(reg)                        \
9531 do {    p = (u32 *)(orig_p + (reg));            \
9532         __GET_REG32((reg));                     \
9533 } while (0)
9534
9535         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9536         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9537         GET_REG32_LOOP(MAC_MODE, 0x4f0);
9538         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9539         GET_REG32_1(SNDDATAC_MODE);
9540         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9541         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9542         GET_REG32_1(SNDBDC_MODE);
9543         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9544         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9545         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9546         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9547         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9548         GET_REG32_1(RCVDCC_MODE);
9549         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9550         GET_REG32_LOOP(RCVCC_MODE, 0x14);
9551         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9552         GET_REG32_1(MBFREE_MODE);
9553         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9554         GET_REG32_LOOP(MEMARB_MODE, 0x10);
9555         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9556         GET_REG32_LOOP(RDMAC_MODE, 0x08);
9557         GET_REG32_LOOP(WDMAC_MODE, 0x08);
9558         GET_REG32_1(RX_CPU_MODE);
9559         GET_REG32_1(RX_CPU_STATE);
9560         GET_REG32_1(RX_CPU_PGMCTR);
9561         GET_REG32_1(RX_CPU_HWBKPT);
9562         GET_REG32_1(TX_CPU_MODE);
9563         GET_REG32_1(TX_CPU_STATE);
9564         GET_REG32_1(TX_CPU_PGMCTR);
9565         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9566         GET_REG32_LOOP(FTQ_RESET, 0x120);
9567         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9568         GET_REG32_1(DMAC_MODE);
9569         GET_REG32_LOOP(GRC_MODE, 0x4c);
9570         if (tp->tg3_flags & TG3_FLAG_NVRAM)
9571                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9572
9573 #undef __GET_REG32
9574 #undef GET_REG32_LOOP
9575 #undef GET_REG32_1
9576
9577         tg3_full_unlock(tp);
9578 }
9579
9580 static int tg3_get_eeprom_len(struct net_device *dev)
9581 {
9582         struct tg3 *tp = netdev_priv(dev);
9583
9584         return tp->nvram_size;
9585 }
9586
9587 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9588 {
9589         struct tg3 *tp = netdev_priv(dev);
9590         int ret;
9591         u8  *pd;
9592         u32 i, offset, len, b_offset, b_count;
9593         __be32 val;
9594
9595         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9596                 return -EINVAL;
9597
9598         if (tp->link_config.phy_is_low_power)
9599                 return -EAGAIN;
9600
9601         offset = eeprom->offset;
9602         len = eeprom->len;
9603         eeprom->len = 0;
9604
9605         eeprom->magic = TG3_EEPROM_MAGIC;
9606
9607         if (offset & 3) {
9608                 /* adjustments to start on required 4 byte boundary */
9609                 b_offset = offset & 3;
9610                 b_count = 4 - b_offset;
9611                 if (b_count > len) {
9612                         /* i.e. offset=1 len=2 */
9613                         b_count = len;
9614                 }
9615                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9616                 if (ret)
9617                         return ret;
9618                 memcpy(data, ((char*)&val) + b_offset, b_count);
9619                 len -= b_count;
9620                 offset += b_count;
9621                 eeprom->len += b_count;
9622         }
9623
9624         /* read bytes upto the last 4 byte boundary */
9625         pd = &data[eeprom->len];
9626         for (i = 0; i < (len - (len & 3)); i += 4) {
9627                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9628                 if (ret) {
9629                         eeprom->len += i;
9630                         return ret;
9631                 }
9632                 memcpy(pd + i, &val, 4);
9633         }
9634         eeprom->len += i;
9635
9636         if (len & 3) {
9637                 /* read last bytes not ending on 4 byte boundary */
9638                 pd = &data[eeprom->len];
9639                 b_count = len & 3;
9640                 b_offset = offset + len - b_count;
9641                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9642                 if (ret)
9643                         return ret;
9644                 memcpy(pd, &val, b_count);
9645                 eeprom->len += b_count;
9646         }
9647         return 0;
9648 }
9649
9650 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9651
9652 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9653 {
9654         struct tg3 *tp = netdev_priv(dev);
9655         int ret;
9656         u32 offset, len, b_offset, odd_len;
9657         u8 *buf;
9658         __be32 start, end;
9659
9660         if (tp->link_config.phy_is_low_power)
9661                 return -EAGAIN;
9662
9663         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9664             eeprom->magic != TG3_EEPROM_MAGIC)
9665                 return -EINVAL;
9666
9667         offset = eeprom->offset;
9668         len = eeprom->len;
9669
9670         if ((b_offset = (offset & 3))) {
9671                 /* adjustments to start on required 4 byte boundary */
9672                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9673                 if (ret)
9674                         return ret;
9675                 len += b_offset;
9676                 offset &= ~3;
9677                 if (len < 4)
9678                         len = 4;
9679         }
9680
9681         odd_len = 0;
9682         if (len & 3) {
9683                 /* adjustments to end on required 4 byte boundary */
9684                 odd_len = 1;
9685                 len = (len + 3) & ~3;
9686                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9687                 if (ret)
9688                         return ret;
9689         }
9690
9691         buf = data;
9692         if (b_offset || odd_len) {
9693                 buf = kmalloc(len, GFP_KERNEL);
9694                 if (!buf)
9695                         return -ENOMEM;
9696                 if (b_offset)
9697                         memcpy(buf, &start, 4);
9698                 if (odd_len)
9699                         memcpy(buf+len-4, &end, 4);
9700                 memcpy(buf + b_offset, data, eeprom->len);
9701         }
9702
9703         ret = tg3_nvram_write_block(tp, offset, len, buf);
9704
9705         if (buf != data)
9706                 kfree(buf);
9707
9708         return ret;
9709 }
9710
9711 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9712 {
9713         struct tg3 *tp = netdev_priv(dev);
9714
9715         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9716                 struct phy_device *phydev;
9717                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9718                         return -EAGAIN;
9719                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9720                 return phy_ethtool_gset(phydev, cmd);
9721         }
9722
9723         cmd->supported = (SUPPORTED_Autoneg);
9724
9725         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9726                 cmd->supported |= (SUPPORTED_1000baseT_Half |
9727                                    SUPPORTED_1000baseT_Full);
9728
9729         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
9730                 cmd->supported |= (SUPPORTED_100baseT_Half |
9731                                   SUPPORTED_100baseT_Full |
9732                                   SUPPORTED_10baseT_Half |
9733                                   SUPPORTED_10baseT_Full |
9734                                   SUPPORTED_TP);
9735                 cmd->port = PORT_TP;
9736         } else {
9737                 cmd->supported |= SUPPORTED_FIBRE;
9738                 cmd->port = PORT_FIBRE;
9739         }
9740
9741         cmd->advertising = tp->link_config.advertising;
9742         if (netif_running(dev)) {
9743                 cmd->speed = tp->link_config.active_speed;
9744                 cmd->duplex = tp->link_config.active_duplex;
9745         }
9746         cmd->phy_address = tp->phy_addr;
9747         cmd->transceiver = XCVR_INTERNAL;
9748         cmd->autoneg = tp->link_config.autoneg;
9749         cmd->maxtxpkt = 0;
9750         cmd->maxrxpkt = 0;
9751         return 0;
9752 }
9753
9754 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9755 {
9756         struct tg3 *tp = netdev_priv(dev);
9757
9758         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9759                 struct phy_device *phydev;
9760                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9761                         return -EAGAIN;
9762                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9763                 return phy_ethtool_sset(phydev, cmd);
9764         }
9765
9766         if (cmd->autoneg != AUTONEG_ENABLE &&
9767             cmd->autoneg != AUTONEG_DISABLE)
9768                 return -EINVAL;
9769
9770         if (cmd->autoneg == AUTONEG_DISABLE &&
9771             cmd->duplex != DUPLEX_FULL &&
9772             cmd->duplex != DUPLEX_HALF)
9773                 return -EINVAL;
9774
9775         if (cmd->autoneg == AUTONEG_ENABLE) {
9776                 u32 mask = ADVERTISED_Autoneg |
9777                            ADVERTISED_Pause |
9778                            ADVERTISED_Asym_Pause;
9779
9780                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9781                         mask |= ADVERTISED_1000baseT_Half |
9782                                 ADVERTISED_1000baseT_Full;
9783
9784                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9785                         mask |= ADVERTISED_100baseT_Half |
9786                                 ADVERTISED_100baseT_Full |
9787                                 ADVERTISED_10baseT_Half |
9788                                 ADVERTISED_10baseT_Full |
9789                                 ADVERTISED_TP;
9790                 else
9791                         mask |= ADVERTISED_FIBRE;
9792
9793                 if (cmd->advertising & ~mask)
9794                         return -EINVAL;
9795
9796                 mask &= (ADVERTISED_1000baseT_Half |
9797                          ADVERTISED_1000baseT_Full |
9798                          ADVERTISED_100baseT_Half |
9799                          ADVERTISED_100baseT_Full |
9800                          ADVERTISED_10baseT_Half |
9801                          ADVERTISED_10baseT_Full);
9802
9803                 cmd->advertising &= mask;
9804         } else {
9805                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9806                         if (cmd->speed != SPEED_1000)
9807                                 return -EINVAL;
9808
9809                         if (cmd->duplex != DUPLEX_FULL)
9810                                 return -EINVAL;
9811                 } else {
9812                         if (cmd->speed != SPEED_100 &&
9813                             cmd->speed != SPEED_10)
9814                                 return -EINVAL;
9815                 }
9816         }
9817
9818         tg3_full_lock(tp, 0);
9819
9820         tp->link_config.autoneg = cmd->autoneg;
9821         if (cmd->autoneg == AUTONEG_ENABLE) {
9822                 tp->link_config.advertising = (cmd->advertising |
9823                                               ADVERTISED_Autoneg);
9824                 tp->link_config.speed = SPEED_INVALID;
9825                 tp->link_config.duplex = DUPLEX_INVALID;
9826         } else {
9827                 tp->link_config.advertising = 0;
9828                 tp->link_config.speed = cmd->speed;
9829                 tp->link_config.duplex = cmd->duplex;
9830         }
9831
9832         tp->link_config.orig_speed = tp->link_config.speed;
9833         tp->link_config.orig_duplex = tp->link_config.duplex;
9834         tp->link_config.orig_autoneg = tp->link_config.autoneg;
9835
9836         if (netif_running(dev))
9837                 tg3_setup_phy(tp, 1);
9838
9839         tg3_full_unlock(tp);
9840
9841         return 0;
9842 }
9843
9844 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9845 {
9846         struct tg3 *tp = netdev_priv(dev);
9847
9848         strcpy(info->driver, DRV_MODULE_NAME);
9849         strcpy(info->version, DRV_MODULE_VERSION);
9850         strcpy(info->fw_version, tp->fw_ver);
9851         strcpy(info->bus_info, pci_name(tp->pdev));
9852 }
9853
9854 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9855 {
9856         struct tg3 *tp = netdev_priv(dev);
9857
9858         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9859             device_can_wakeup(&tp->pdev->dev))
9860                 wol->supported = WAKE_MAGIC;
9861         else
9862                 wol->supported = 0;
9863         wol->wolopts = 0;
9864         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9865             device_can_wakeup(&tp->pdev->dev))
9866                 wol->wolopts = WAKE_MAGIC;
9867         memset(&wol->sopass, 0, sizeof(wol->sopass));
9868 }
9869
9870 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9871 {
9872         struct tg3 *tp = netdev_priv(dev);
9873         struct device *dp = &tp->pdev->dev;
9874
9875         if (wol->wolopts & ~WAKE_MAGIC)
9876                 return -EINVAL;
9877         if ((wol->wolopts & WAKE_MAGIC) &&
9878             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9879                 return -EINVAL;
9880
9881         spin_lock_bh(&tp->lock);
9882         if (wol->wolopts & WAKE_MAGIC) {
9883                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9884                 device_set_wakeup_enable(dp, true);
9885         } else {
9886                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9887                 device_set_wakeup_enable(dp, false);
9888         }
9889         spin_unlock_bh(&tp->lock);
9890
9891         return 0;
9892 }
9893
9894 static u32 tg3_get_msglevel(struct net_device *dev)
9895 {
9896         struct tg3 *tp = netdev_priv(dev);
9897         return tp->msg_enable;
9898 }
9899
9900 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9901 {
9902         struct tg3 *tp = netdev_priv(dev);
9903         tp->msg_enable = value;
9904 }
9905
9906 static int tg3_set_tso(struct net_device *dev, u32 value)
9907 {
9908         struct tg3 *tp = netdev_priv(dev);
9909
9910         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9911                 if (value)
9912                         return -EINVAL;
9913                 return 0;
9914         }
9915         if ((dev->features & NETIF_F_IPV6_CSUM) &&
9916             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9917              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9918                 if (value) {
9919                         dev->features |= NETIF_F_TSO6;
9920                         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9921                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9922                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9923                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9924                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9925                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9926                                 dev->features |= NETIF_F_TSO_ECN;
9927                 } else
9928                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9929         }
9930         return ethtool_op_set_tso(dev, value);
9931 }
9932
9933 static int tg3_nway_reset(struct net_device *dev)
9934 {
9935         struct tg3 *tp = netdev_priv(dev);
9936         int r;
9937
9938         if (!netif_running(dev))
9939                 return -EAGAIN;
9940
9941         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9942                 return -EINVAL;
9943
9944         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9945                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9946                         return -EAGAIN;
9947                 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9948         } else {
9949                 u32 bmcr;
9950
9951                 spin_lock_bh(&tp->lock);
9952                 r = -EINVAL;
9953                 tg3_readphy(tp, MII_BMCR, &bmcr);
9954                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9955                     ((bmcr & BMCR_ANENABLE) ||
9956                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9957                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9958                                                    BMCR_ANENABLE);
9959                         r = 0;
9960                 }
9961                 spin_unlock_bh(&tp->lock);
9962         }
9963
9964         return r;
9965 }
9966
9967 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9968 {
9969         struct tg3 *tp = netdev_priv(dev);
9970
9971         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9972         ering->rx_mini_max_pending = 0;
9973         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9974                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9975         else
9976                 ering->rx_jumbo_max_pending = 0;
9977
9978         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
9979
9980         ering->rx_pending = tp->rx_pending;
9981         ering->rx_mini_pending = 0;
9982         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9983                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9984         else
9985                 ering->rx_jumbo_pending = 0;
9986
9987         ering->tx_pending = tp->napi[0].tx_pending;
9988 }
9989
9990 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9991 {
9992         struct tg3 *tp = netdev_priv(dev);
9993         int i, irq_sync = 0, err = 0;
9994
9995         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9996             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
9997             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9998             (ering->tx_pending <= MAX_SKB_FRAGS) ||
9999             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
10000              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
10001                 return -EINVAL;
10002
10003         if (netif_running(dev)) {
10004                 tg3_phy_stop(tp);
10005                 tg3_netif_stop(tp);
10006                 irq_sync = 1;
10007         }
10008
10009         tg3_full_lock(tp, irq_sync);
10010
10011         tp->rx_pending = ering->rx_pending;
10012
10013         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
10014             tp->rx_pending > 63)
10015                 tp->rx_pending = 63;
10016         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
10017
10018         for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
10019                 tp->napi[i].tx_pending = ering->tx_pending;
10020
10021         if (netif_running(dev)) {
10022                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10023                 err = tg3_restart_hw(tp, 1);
10024                 if (!err)
10025                         tg3_netif_start(tp);
10026         }
10027
10028         tg3_full_unlock(tp);
10029
10030         if (irq_sync && !err)
10031                 tg3_phy_start(tp);
10032
10033         return err;
10034 }
10035
10036 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10037 {
10038         struct tg3 *tp = netdev_priv(dev);
10039
10040         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
10041
10042         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
10043                 epause->rx_pause = 1;
10044         else
10045                 epause->rx_pause = 0;
10046
10047         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
10048                 epause->tx_pause = 1;
10049         else
10050                 epause->tx_pause = 0;
10051 }
10052
10053 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10054 {
10055         struct tg3 *tp = netdev_priv(dev);
10056         int err = 0;
10057
10058         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10059                 u32 newadv;
10060                 struct phy_device *phydev;
10061
10062                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10063
10064                 if (!(phydev->supported & SUPPORTED_Pause) ||
10065                     (!(phydev->supported & SUPPORTED_Asym_Pause) &&
10066                      ((epause->rx_pause && !epause->tx_pause) ||
10067                       (!epause->rx_pause && epause->tx_pause))))
10068                         return -EINVAL;
10069
10070                 tp->link_config.flowctrl = 0;
10071                 if (epause->rx_pause) {
10072                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
10073
10074                         if (epause->tx_pause) {
10075                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10076                                 newadv = ADVERTISED_Pause;
10077                         } else
10078                                 newadv = ADVERTISED_Pause |
10079                                          ADVERTISED_Asym_Pause;
10080                 } else if (epause->tx_pause) {
10081                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
10082                         newadv = ADVERTISED_Asym_Pause;
10083                 } else
10084                         newadv = 0;
10085
10086                 if (epause->autoneg)
10087                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10088                 else
10089                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10090
10091                 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
10092                         u32 oldadv = phydev->advertising &
10093                                      (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
10094                         if (oldadv != newadv) {
10095                                 phydev->advertising &=
10096                                         ~(ADVERTISED_Pause |
10097                                           ADVERTISED_Asym_Pause);
10098                                 phydev->advertising |= newadv;
10099                                 if (phydev->autoneg) {
10100                                         /*
10101                                          * Always renegotiate the link to
10102                                          * inform our link partner of our
10103                                          * flow control settings, even if the
10104                                          * flow control is forced.  Let
10105                                          * tg3_adjust_link() do the final
10106                                          * flow control setup.
10107                                          */
10108                                         return phy_start_aneg(phydev);
10109                                 }
10110                         }
10111
10112                         if (!epause->autoneg)
10113                                 tg3_setup_flow_control(tp, 0, 0);
10114                 } else {
10115                         tp->link_config.orig_advertising &=
10116                                         ~(ADVERTISED_Pause |
10117                                           ADVERTISED_Asym_Pause);
10118                         tp->link_config.orig_advertising |= newadv;
10119                 }
10120         } else {
10121                 int irq_sync = 0;
10122
10123                 if (netif_running(dev)) {
10124                         tg3_netif_stop(tp);
10125                         irq_sync = 1;
10126                 }
10127
10128                 tg3_full_lock(tp, irq_sync);
10129
10130                 if (epause->autoneg)
10131                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10132                 else
10133                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10134                 if (epause->rx_pause)
10135                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
10136                 else
10137                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10138                 if (epause->tx_pause)
10139                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
10140                 else
10141                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10142
10143                 if (netif_running(dev)) {
10144                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10145                         err = tg3_restart_hw(tp, 1);
10146                         if (!err)
10147                                 tg3_netif_start(tp);
10148                 }
10149
10150                 tg3_full_unlock(tp);
10151         }
10152
10153         return err;
10154 }
10155
10156 static u32 tg3_get_rx_csum(struct net_device *dev)
10157 {
10158         struct tg3 *tp = netdev_priv(dev);
10159         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10160 }
10161
10162 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10163 {
10164         struct tg3 *tp = netdev_priv(dev);
10165
10166         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10167                 if (data != 0)
10168                         return -EINVAL;
10169                 return 0;
10170         }
10171
10172         spin_lock_bh(&tp->lock);
10173         if (data)
10174                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10175         else
10176                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10177         spin_unlock_bh(&tp->lock);
10178
10179         return 0;
10180 }
10181
10182 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10183 {
10184         struct tg3 *tp = netdev_priv(dev);
10185
10186         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10187                 if (data != 0)
10188                         return -EINVAL;
10189                 return 0;
10190         }
10191
10192         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10193                 ethtool_op_set_tx_ipv6_csum(dev, data);
10194         else
10195                 ethtool_op_set_tx_csum(dev, data);
10196
10197         return 0;
10198 }
10199
10200 static int tg3_get_sset_count (struct net_device *dev, int sset)
10201 {
10202         switch (sset) {
10203         case ETH_SS_TEST:
10204                 return TG3_NUM_TEST;
10205         case ETH_SS_STATS:
10206                 return TG3_NUM_STATS;
10207         default:
10208                 return -EOPNOTSUPP;
10209         }
10210 }
10211
10212 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
10213 {
10214         switch (stringset) {
10215         case ETH_SS_STATS:
10216                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
10217                 break;
10218         case ETH_SS_TEST:
10219                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
10220                 break;
10221         default:
10222                 WARN_ON(1);     /* we need a WARN() */
10223                 break;
10224         }
10225 }
10226
10227 static int tg3_phys_id(struct net_device *dev, u32 data)
10228 {
10229         struct tg3 *tp = netdev_priv(dev);
10230         int i;
10231
10232         if (!netif_running(tp->dev))
10233                 return -EAGAIN;
10234
10235         if (data == 0)
10236                 data = UINT_MAX / 2;
10237
10238         for (i = 0; i < (data * 2); i++) {
10239                 if ((i % 2) == 0)
10240                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10241                                            LED_CTRL_1000MBPS_ON |
10242                                            LED_CTRL_100MBPS_ON |
10243                                            LED_CTRL_10MBPS_ON |
10244                                            LED_CTRL_TRAFFIC_OVERRIDE |
10245                                            LED_CTRL_TRAFFIC_BLINK |
10246                                            LED_CTRL_TRAFFIC_LED);
10247
10248                 else
10249                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10250                                            LED_CTRL_TRAFFIC_OVERRIDE);
10251
10252                 if (msleep_interruptible(500))
10253                         break;
10254         }
10255         tw32(MAC_LED_CTRL, tp->led_ctrl);
10256         return 0;
10257 }
10258
10259 static void tg3_get_ethtool_stats (struct net_device *dev,
10260                                    struct ethtool_stats *estats, u64 *tmp_stats)
10261 {
10262         struct tg3 *tp = netdev_priv(dev);
10263         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10264 }
10265
10266 #define NVRAM_TEST_SIZE 0x100
10267 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
10268 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
10269 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
10270 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10271 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10272
10273 static int tg3_test_nvram(struct tg3 *tp)
10274 {
10275         u32 csum, magic;
10276         __be32 *buf;
10277         int i, j, k, err = 0, size;
10278
10279         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10280                 return 0;
10281
10282         if (tg3_nvram_read(tp, 0, &magic) != 0)
10283                 return -EIO;
10284
10285         if (magic == TG3_EEPROM_MAGIC)
10286                 size = NVRAM_TEST_SIZE;
10287         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10288                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10289                     TG3_EEPROM_SB_FORMAT_1) {
10290                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10291                         case TG3_EEPROM_SB_REVISION_0:
10292                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10293                                 break;
10294                         case TG3_EEPROM_SB_REVISION_2:
10295                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10296                                 break;
10297                         case TG3_EEPROM_SB_REVISION_3:
10298                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10299                                 break;
10300                         default:
10301                                 return 0;
10302                         }
10303                 } else
10304                         return 0;
10305         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10306                 size = NVRAM_SELFBOOT_HW_SIZE;
10307         else
10308                 return -EIO;
10309
10310         buf = kmalloc(size, GFP_KERNEL);
10311         if (buf == NULL)
10312                 return -ENOMEM;
10313
10314         err = -EIO;
10315         for (i = 0, j = 0; i < size; i += 4, j++) {
10316                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10317                 if (err)
10318                         break;
10319         }
10320         if (i < size)
10321                 goto out;
10322
10323         /* Selfboot format */
10324         magic = be32_to_cpu(buf[0]);
10325         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10326             TG3_EEPROM_MAGIC_FW) {
10327                 u8 *buf8 = (u8 *) buf, csum8 = 0;
10328
10329                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10330                     TG3_EEPROM_SB_REVISION_2) {
10331                         /* For rev 2, the csum doesn't include the MBA. */
10332                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10333                                 csum8 += buf8[i];
10334                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10335                                 csum8 += buf8[i];
10336                 } else {
10337                         for (i = 0; i < size; i++)
10338                                 csum8 += buf8[i];
10339                 }
10340
10341                 if (csum8 == 0) {
10342                         err = 0;
10343                         goto out;
10344                 }
10345
10346                 err = -EIO;
10347                 goto out;
10348         }
10349
10350         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10351             TG3_EEPROM_MAGIC_HW) {
10352                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10353                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10354                 u8 *buf8 = (u8 *) buf;
10355
10356                 /* Separate the parity bits and the data bytes.  */
10357                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10358                         if ((i == 0) || (i == 8)) {
10359                                 int l;
10360                                 u8 msk;
10361
10362                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10363                                         parity[k++] = buf8[i] & msk;
10364                                 i++;
10365                         }
10366                         else if (i == 16) {
10367                                 int l;
10368                                 u8 msk;
10369
10370                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10371                                         parity[k++] = buf8[i] & msk;
10372                                 i++;
10373
10374                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10375                                         parity[k++] = buf8[i] & msk;
10376                                 i++;
10377                         }
10378                         data[j++] = buf8[i];
10379                 }
10380
10381                 err = -EIO;
10382                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10383                         u8 hw8 = hweight8(data[i]);
10384
10385                         if ((hw8 & 0x1) && parity[i])
10386                                 goto out;
10387                         else if (!(hw8 & 0x1) && !parity[i])
10388                                 goto out;
10389                 }
10390                 err = 0;
10391                 goto out;
10392         }
10393
10394         /* Bootstrap checksum at offset 0x10 */
10395         csum = calc_crc((unsigned char *) buf, 0x10);
10396         if (csum != be32_to_cpu(buf[0x10/4]))
10397                 goto out;
10398
10399         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10400         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10401         if (csum != be32_to_cpu(buf[0xfc/4]))
10402                 goto out;
10403
10404         err = 0;
10405
10406 out:
10407         kfree(buf);
10408         return err;
10409 }
10410
10411 #define TG3_SERDES_TIMEOUT_SEC  2
10412 #define TG3_COPPER_TIMEOUT_SEC  6
10413
10414 static int tg3_test_link(struct tg3 *tp)
10415 {
10416         int i, max;
10417
10418         if (!netif_running(tp->dev))
10419                 return -ENODEV;
10420
10421         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10422                 max = TG3_SERDES_TIMEOUT_SEC;
10423         else
10424                 max = TG3_COPPER_TIMEOUT_SEC;
10425
10426         for (i = 0; i < max; i++) {
10427                 if (netif_carrier_ok(tp->dev))
10428                         return 0;
10429
10430                 if (msleep_interruptible(1000))
10431                         break;
10432         }
10433
10434         return -EIO;
10435 }
10436
10437 /* Only test the commonly used registers */
10438 static int tg3_test_registers(struct tg3 *tp)
10439 {
10440         int i, is_5705, is_5750;
10441         u32 offset, read_mask, write_mask, val, save_val, read_val;
10442         static struct {
10443                 u16 offset;
10444                 u16 flags;
10445 #define TG3_FL_5705     0x1
10446 #define TG3_FL_NOT_5705 0x2
10447 #define TG3_FL_NOT_5788 0x4
10448 #define TG3_FL_NOT_5750 0x8
10449                 u32 read_mask;
10450                 u32 write_mask;
10451         } reg_tbl[] = {
10452                 /* MAC Control Registers */
10453                 { MAC_MODE, TG3_FL_NOT_5705,
10454                         0x00000000, 0x00ef6f8c },
10455                 { MAC_MODE, TG3_FL_5705,
10456                         0x00000000, 0x01ef6b8c },
10457                 { MAC_STATUS, TG3_FL_NOT_5705,
10458                         0x03800107, 0x00000000 },
10459                 { MAC_STATUS, TG3_FL_5705,
10460                         0x03800100, 0x00000000 },
10461                 { MAC_ADDR_0_HIGH, 0x0000,
10462                         0x00000000, 0x0000ffff },
10463                 { MAC_ADDR_0_LOW, 0x0000,
10464                         0x00000000, 0xffffffff },
10465                 { MAC_RX_MTU_SIZE, 0x0000,
10466                         0x00000000, 0x0000ffff },
10467                 { MAC_TX_MODE, 0x0000,
10468                         0x00000000, 0x00000070 },
10469                 { MAC_TX_LENGTHS, 0x0000,
10470                         0x00000000, 0x00003fff },
10471                 { MAC_RX_MODE, TG3_FL_NOT_5705,
10472                         0x00000000, 0x000007fc },
10473                 { MAC_RX_MODE, TG3_FL_5705,
10474                         0x00000000, 0x000007dc },
10475                 { MAC_HASH_REG_0, 0x0000,
10476                         0x00000000, 0xffffffff },
10477                 { MAC_HASH_REG_1, 0x0000,
10478                         0x00000000, 0xffffffff },
10479                 { MAC_HASH_REG_2, 0x0000,
10480                         0x00000000, 0xffffffff },
10481                 { MAC_HASH_REG_3, 0x0000,
10482                         0x00000000, 0xffffffff },
10483
10484                 /* Receive Data and Receive BD Initiator Control Registers. */
10485                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10486                         0x00000000, 0xffffffff },
10487                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10488                         0x00000000, 0xffffffff },
10489                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10490                         0x00000000, 0x00000003 },
10491                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10492                         0x00000000, 0xffffffff },
10493                 { RCVDBDI_STD_BD+0, 0x0000,
10494                         0x00000000, 0xffffffff },
10495                 { RCVDBDI_STD_BD+4, 0x0000,
10496                         0x00000000, 0xffffffff },
10497                 { RCVDBDI_STD_BD+8, 0x0000,
10498                         0x00000000, 0xffff0002 },
10499                 { RCVDBDI_STD_BD+0xc, 0x0000,
10500                         0x00000000, 0xffffffff },
10501
10502                 /* Receive BD Initiator Control Registers. */
10503                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10504                         0x00000000, 0xffffffff },
10505                 { RCVBDI_STD_THRESH, TG3_FL_5705,
10506                         0x00000000, 0x000003ff },
10507                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10508                         0x00000000, 0xffffffff },
10509
10510                 /* Host Coalescing Control Registers. */
10511                 { HOSTCC_MODE, TG3_FL_NOT_5705,
10512                         0x00000000, 0x00000004 },
10513                 { HOSTCC_MODE, TG3_FL_5705,
10514                         0x00000000, 0x000000f6 },
10515                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10516                         0x00000000, 0xffffffff },
10517                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10518                         0x00000000, 0x000003ff },
10519                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10520                         0x00000000, 0xffffffff },
10521                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10522                         0x00000000, 0x000003ff },
10523                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10524                         0x00000000, 0xffffffff },
10525                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10526                         0x00000000, 0x000000ff },
10527                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10528                         0x00000000, 0xffffffff },
10529                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10530                         0x00000000, 0x000000ff },
10531                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10532                         0x00000000, 0xffffffff },
10533                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10534                         0x00000000, 0xffffffff },
10535                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10536                         0x00000000, 0xffffffff },
10537                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10538                         0x00000000, 0x000000ff },
10539                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10540                         0x00000000, 0xffffffff },
10541                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10542                         0x00000000, 0x000000ff },
10543                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10544                         0x00000000, 0xffffffff },
10545                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10546                         0x00000000, 0xffffffff },
10547                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10548                         0x00000000, 0xffffffff },
10549                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10550                         0x00000000, 0xffffffff },
10551                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10552                         0x00000000, 0xffffffff },
10553                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10554                         0xffffffff, 0x00000000 },
10555                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10556                         0xffffffff, 0x00000000 },
10557
10558                 /* Buffer Manager Control Registers. */
10559                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10560                         0x00000000, 0x007fff80 },
10561                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10562                         0x00000000, 0x007fffff },
10563                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10564                         0x00000000, 0x0000003f },
10565                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10566                         0x00000000, 0x000001ff },
10567                 { BUFMGR_MB_HIGH_WATER, 0x0000,
10568                         0x00000000, 0x000001ff },
10569                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10570                         0xffffffff, 0x00000000 },
10571                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10572                         0xffffffff, 0x00000000 },
10573
10574                 /* Mailbox Registers */
10575                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10576                         0x00000000, 0x000001ff },
10577                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10578                         0x00000000, 0x000001ff },
10579                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10580                         0x00000000, 0x000007ff },
10581                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10582                         0x00000000, 0x000001ff },
10583
10584                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10585         };
10586
10587         is_5705 = is_5750 = 0;
10588         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10589                 is_5705 = 1;
10590                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10591                         is_5750 = 1;
10592         }
10593
10594         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10595                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10596                         continue;
10597
10598                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10599                         continue;
10600
10601                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10602                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
10603                         continue;
10604
10605                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10606                         continue;
10607
10608                 offset = (u32) reg_tbl[i].offset;
10609                 read_mask = reg_tbl[i].read_mask;
10610                 write_mask = reg_tbl[i].write_mask;
10611
10612                 /* Save the original register content */
10613                 save_val = tr32(offset);
10614
10615                 /* Determine the read-only value. */
10616                 read_val = save_val & read_mask;
10617
10618                 /* Write zero to the register, then make sure the read-only bits
10619                  * are not changed and the read/write bits are all zeros.
10620                  */
10621                 tw32(offset, 0);
10622
10623                 val = tr32(offset);
10624
10625                 /* Test the read-only and read/write bits. */
10626                 if (((val & read_mask) != read_val) || (val & write_mask))
10627                         goto out;
10628
10629                 /* Write ones to all the bits defined by RdMask and WrMask, then
10630                  * make sure the read-only bits are not changed and the
10631                  * read/write bits are all ones.
10632                  */
10633                 tw32(offset, read_mask | write_mask);
10634
10635                 val = tr32(offset);
10636
10637                 /* Test the read-only bits. */
10638                 if ((val & read_mask) != read_val)
10639                         goto out;
10640
10641                 /* Test the read/write bits. */
10642                 if ((val & write_mask) != write_mask)
10643                         goto out;
10644
10645                 tw32(offset, save_val);
10646         }
10647
10648         return 0;
10649
10650 out:
10651         if (netif_msg_hw(tp))
10652                 pr_err("Register test failed at offset %x\n", offset);
10653         tw32(offset, save_val);
10654         return -EIO;
10655 }
10656
10657 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10658 {
10659         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10660         int i;
10661         u32 j;
10662
10663         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10664                 for (j = 0; j < len; j += 4) {
10665                         u32 val;
10666
10667                         tg3_write_mem(tp, offset + j, test_pattern[i]);
10668                         tg3_read_mem(tp, offset + j, &val);
10669                         if (val != test_pattern[i])
10670                                 return -EIO;
10671                 }
10672         }
10673         return 0;
10674 }
10675
10676 static int tg3_test_memory(struct tg3 *tp)
10677 {
10678         static struct mem_entry {
10679                 u32 offset;
10680                 u32 len;
10681         } mem_tbl_570x[] = {
10682                 { 0x00000000, 0x00b50},
10683                 { 0x00002000, 0x1c000},
10684                 { 0xffffffff, 0x00000}
10685         }, mem_tbl_5705[] = {
10686                 { 0x00000100, 0x0000c},
10687                 { 0x00000200, 0x00008},
10688                 { 0x00004000, 0x00800},
10689                 { 0x00006000, 0x01000},
10690                 { 0x00008000, 0x02000},
10691                 { 0x00010000, 0x0e000},
10692                 { 0xffffffff, 0x00000}
10693         }, mem_tbl_5755[] = {
10694                 { 0x00000200, 0x00008},
10695                 { 0x00004000, 0x00800},
10696                 { 0x00006000, 0x00800},
10697                 { 0x00008000, 0x02000},
10698                 { 0x00010000, 0x0c000},
10699                 { 0xffffffff, 0x00000}
10700         }, mem_tbl_5906[] = {
10701                 { 0x00000200, 0x00008},
10702                 { 0x00004000, 0x00400},
10703                 { 0x00006000, 0x00400},
10704                 { 0x00008000, 0x01000},
10705                 { 0x00010000, 0x01000},
10706                 { 0xffffffff, 0x00000}
10707         }, mem_tbl_5717[] = {
10708                 { 0x00000200, 0x00008},
10709                 { 0x00010000, 0x0a000},
10710                 { 0x00020000, 0x13c00},
10711                 { 0xffffffff, 0x00000}
10712         }, mem_tbl_57765[] = {
10713                 { 0x00000200, 0x00008},
10714                 { 0x00004000, 0x00800},
10715                 { 0x00006000, 0x09800},
10716                 { 0x00010000, 0x0a000},
10717                 { 0xffffffff, 0x00000}
10718         };
10719         struct mem_entry *mem_tbl;
10720         int err = 0;
10721         int i;
10722
10723         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
10724                 mem_tbl = mem_tbl_5717;
10725         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10726                 mem_tbl = mem_tbl_57765;
10727         else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10728                 mem_tbl = mem_tbl_5755;
10729         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10730                 mem_tbl = mem_tbl_5906;
10731         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10732                 mem_tbl = mem_tbl_5705;
10733         else
10734                 mem_tbl = mem_tbl_570x;
10735
10736         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10737                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10738                     mem_tbl[i].len)) != 0)
10739                         break;
10740         }
10741
10742         return err;
10743 }
10744
10745 #define TG3_MAC_LOOPBACK        0
10746 #define TG3_PHY_LOOPBACK        1
10747
10748 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10749 {
10750         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10751         u32 desc_idx, coal_now;
10752         struct sk_buff *skb, *rx_skb;
10753         u8 *tx_data;
10754         dma_addr_t map;
10755         int num_pkts, tx_len, rx_len, i, err;
10756         struct tg3_rx_buffer_desc *desc;
10757         struct tg3_napi *tnapi, *rnapi;
10758         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10759
10760         tnapi = &tp->napi[0];
10761         rnapi = &tp->napi[0];
10762         if (tp->irq_cnt > 1) {
10763                 rnapi = &tp->napi[1];
10764                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
10765                         tnapi = &tp->napi[1];
10766         }
10767         coal_now = tnapi->coal_now | rnapi->coal_now;
10768
10769         if (loopback_mode == TG3_MAC_LOOPBACK) {
10770                 /* HW errata - mac loopback fails in some cases on 5780.
10771                  * Normal traffic and PHY loopback are not affected by
10772                  * errata.
10773                  */
10774                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10775                         return 0;
10776
10777                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10778                            MAC_MODE_PORT_INT_LPBACK;
10779                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10780                         mac_mode |= MAC_MODE_LINK_POLARITY;
10781                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10782                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10783                 else
10784                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10785                 tw32(MAC_MODE, mac_mode);
10786         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10787                 u32 val;
10788
10789                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10790                         tg3_phy_fet_toggle_apd(tp, false);
10791                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10792                 } else
10793                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10794
10795                 tg3_phy_toggle_automdix(tp, 0);
10796
10797                 tg3_writephy(tp, MII_BMCR, val);
10798                 udelay(40);
10799
10800                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10801                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10802                         tg3_writephy(tp, MII_TG3_FET_PTEST,
10803                                      MII_TG3_FET_PTEST_FRC_TX_LINK |
10804                                      MII_TG3_FET_PTEST_FRC_TX_LOCK);
10805                         /* The write needs to be flushed for the AC131 */
10806                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10807                                 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
10808                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10809                 } else
10810                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10811
10812                 /* reset to prevent losing 1st rx packet intermittently */
10813                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10814                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10815                         udelay(10);
10816                         tw32_f(MAC_RX_MODE, tp->rx_mode);
10817                 }
10818                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10819                         u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
10820                         if (masked_phy_id == TG3_PHY_ID_BCM5401)
10821                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10822                         else if (masked_phy_id == TG3_PHY_ID_BCM5411)
10823                                 mac_mode |= MAC_MODE_LINK_POLARITY;
10824                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
10825                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10826                 }
10827                 tw32(MAC_MODE, mac_mode);
10828         }
10829         else
10830                 return -EINVAL;
10831
10832         err = -EIO;
10833
10834         tx_len = 1514;
10835         skb = netdev_alloc_skb(tp->dev, tx_len);
10836         if (!skb)
10837                 return -ENOMEM;
10838
10839         tx_data = skb_put(skb, tx_len);
10840         memcpy(tx_data, tp->dev->dev_addr, 6);
10841         memset(tx_data + 6, 0x0, 8);
10842
10843         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10844
10845         for (i = 14; i < tx_len; i++)
10846                 tx_data[i] = (u8) (i & 0xff);
10847
10848         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10849         if (pci_dma_mapping_error(tp->pdev, map)) {
10850                 dev_kfree_skb(skb);
10851                 return -EIO;
10852         }
10853
10854         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10855                rnapi->coal_now);
10856
10857         udelay(10);
10858
10859         rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10860
10861         num_pkts = 0;
10862
10863         tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10864
10865         tnapi->tx_prod++;
10866         num_pkts++;
10867
10868         tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10869         tr32_mailbox(tnapi->prodmbox);
10870
10871         udelay(10);
10872
10873         /* 350 usec to allow enough time on some 10/100 Mbps devices.  */
10874         for (i = 0; i < 35; i++) {
10875                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10876                        coal_now);
10877
10878                 udelay(10);
10879
10880                 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10881                 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10882                 if ((tx_idx == tnapi->tx_prod) &&
10883                     (rx_idx == (rx_start_idx + num_pkts)))
10884                         break;
10885         }
10886
10887         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10888         dev_kfree_skb(skb);
10889
10890         if (tx_idx != tnapi->tx_prod)
10891                 goto out;
10892
10893         if (rx_idx != rx_start_idx + num_pkts)
10894                 goto out;
10895
10896         desc = &rnapi->rx_rcb[rx_start_idx];
10897         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10898         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10899         if (opaque_key != RXD_OPAQUE_RING_STD)
10900                 goto out;
10901
10902         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10903             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10904                 goto out;
10905
10906         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10907         if (rx_len != tx_len)
10908                 goto out;
10909
10910         rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10911
10912         map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10913         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10914
10915         for (i = 14; i < tx_len; i++) {
10916                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10917                         goto out;
10918         }
10919         err = 0;
10920
10921         /* tg3_free_rings will unmap and free the rx_skb */
10922 out:
10923         return err;
10924 }
10925
10926 #define TG3_MAC_LOOPBACK_FAILED         1
10927 #define TG3_PHY_LOOPBACK_FAILED         2
10928 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
10929                                          TG3_PHY_LOOPBACK_FAILED)
10930
10931 static int tg3_test_loopback(struct tg3 *tp)
10932 {
10933         int err = 0;
10934         u32 cpmuctrl = 0;
10935
10936         if (!netif_running(tp->dev))
10937                 return TG3_LOOPBACK_FAILED;
10938
10939         err = tg3_reset_hw(tp, 1);
10940         if (err)
10941                 return TG3_LOOPBACK_FAILED;
10942
10943         /* Turn off gphy autopowerdown. */
10944         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10945                 tg3_phy_toggle_apd(tp, false);
10946
10947         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10948                 int i;
10949                 u32 status;
10950
10951                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10952
10953                 /* Wait for up to 40 microseconds to acquire lock. */
10954                 for (i = 0; i < 4; i++) {
10955                         status = tr32(TG3_CPMU_MUTEX_GNT);
10956                         if (status == CPMU_MUTEX_GNT_DRIVER)
10957                                 break;
10958                         udelay(10);
10959                 }
10960
10961                 if (status != CPMU_MUTEX_GNT_DRIVER)
10962                         return TG3_LOOPBACK_FAILED;
10963
10964                 /* Turn off link-based power management. */
10965                 cpmuctrl = tr32(TG3_CPMU_CTRL);
10966                 tw32(TG3_CPMU_CTRL,
10967                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10968                                   CPMU_CTRL_LINK_AWARE_MODE));
10969         }
10970
10971         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10972                 err |= TG3_MAC_LOOPBACK_FAILED;
10973
10974         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10975                 tw32(TG3_CPMU_CTRL, cpmuctrl);
10976
10977                 /* Release the mutex */
10978                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10979         }
10980
10981         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10982             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
10983                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10984                         err |= TG3_PHY_LOOPBACK_FAILED;
10985         }
10986
10987         /* Re-enable gphy autopowerdown. */
10988         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10989                 tg3_phy_toggle_apd(tp, true);
10990
10991         return err;
10992 }
10993
10994 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10995                           u64 *data)
10996 {
10997         struct tg3 *tp = netdev_priv(dev);
10998
10999         if (tp->link_config.phy_is_low_power)
11000                 tg3_set_power_state(tp, PCI_D0);
11001
11002         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
11003
11004         if (tg3_test_nvram(tp) != 0) {
11005                 etest->flags |= ETH_TEST_FL_FAILED;
11006                 data[0] = 1;
11007         }
11008         if (tg3_test_link(tp) != 0) {
11009                 etest->flags |= ETH_TEST_FL_FAILED;
11010                 data[1] = 1;
11011         }
11012         if (etest->flags & ETH_TEST_FL_OFFLINE) {
11013                 int err, err2 = 0, irq_sync = 0;
11014
11015                 if (netif_running(dev)) {
11016                         tg3_phy_stop(tp);
11017                         tg3_netif_stop(tp);
11018                         irq_sync = 1;
11019                 }
11020
11021                 tg3_full_lock(tp, irq_sync);
11022
11023                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
11024                 err = tg3_nvram_lock(tp);
11025                 tg3_halt_cpu(tp, RX_CPU_BASE);
11026                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11027                         tg3_halt_cpu(tp, TX_CPU_BASE);
11028                 if (!err)
11029                         tg3_nvram_unlock(tp);
11030
11031                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
11032                         tg3_phy_reset(tp);
11033
11034                 if (tg3_test_registers(tp) != 0) {
11035                         etest->flags |= ETH_TEST_FL_FAILED;
11036                         data[2] = 1;
11037                 }
11038                 if (tg3_test_memory(tp) != 0) {
11039                         etest->flags |= ETH_TEST_FL_FAILED;
11040                         data[3] = 1;
11041                 }
11042                 if ((data[4] = tg3_test_loopback(tp)) != 0)
11043                         etest->flags |= ETH_TEST_FL_FAILED;
11044
11045                 tg3_full_unlock(tp);
11046
11047                 if (tg3_test_interrupt(tp) != 0) {
11048                         etest->flags |= ETH_TEST_FL_FAILED;
11049                         data[5] = 1;
11050                 }
11051
11052                 tg3_full_lock(tp, 0);
11053
11054                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11055                 if (netif_running(dev)) {
11056                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11057                         err2 = tg3_restart_hw(tp, 1);
11058                         if (!err2)
11059                                 tg3_netif_start(tp);
11060                 }
11061
11062                 tg3_full_unlock(tp);
11063
11064                 if (irq_sync && !err2)
11065                         tg3_phy_start(tp);
11066         }
11067         if (tp->link_config.phy_is_low_power)
11068                 tg3_set_power_state(tp, PCI_D3hot);
11069
11070 }
11071
11072 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11073 {
11074         struct mii_ioctl_data *data = if_mii(ifr);
11075         struct tg3 *tp = netdev_priv(dev);
11076         int err;
11077
11078         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
11079                 struct phy_device *phydev;
11080                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
11081                         return -EAGAIN;
11082                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
11083                 return phy_mii_ioctl(phydev, data, cmd);
11084         }
11085
11086         switch(cmd) {
11087         case SIOCGMIIPHY:
11088                 data->phy_id = tp->phy_addr;
11089
11090                 /* fallthru */
11091         case SIOCGMIIREG: {
11092                 u32 mii_regval;
11093
11094                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11095                         break;                  /* We have no PHY */
11096
11097                 if (tp->link_config.phy_is_low_power)
11098                         return -EAGAIN;
11099
11100                 spin_lock_bh(&tp->lock);
11101                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
11102                 spin_unlock_bh(&tp->lock);
11103
11104                 data->val_out = mii_regval;
11105
11106                 return err;
11107         }
11108
11109         case SIOCSMIIREG:
11110                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11111                         break;                  /* We have no PHY */
11112
11113                 if (tp->link_config.phy_is_low_power)
11114                         return -EAGAIN;
11115
11116                 spin_lock_bh(&tp->lock);
11117                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
11118                 spin_unlock_bh(&tp->lock);
11119
11120                 return err;
11121
11122         default:
11123                 /* do nothing */
11124                 break;
11125         }
11126         return -EOPNOTSUPP;
11127 }
11128
11129 #if TG3_VLAN_TAG_USED
11130 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11131 {
11132         struct tg3 *tp = netdev_priv(dev);
11133
11134         if (!netif_running(dev)) {
11135                 tp->vlgrp = grp;
11136                 return;
11137         }
11138
11139         tg3_netif_stop(tp);
11140
11141         tg3_full_lock(tp, 0);
11142
11143         tp->vlgrp = grp;
11144
11145         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11146         __tg3_set_rx_mode(dev);
11147
11148         tg3_netif_start(tp);
11149
11150         tg3_full_unlock(tp);
11151 }
11152 #endif
11153
11154 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11155 {
11156         struct tg3 *tp = netdev_priv(dev);
11157
11158         memcpy(ec, &tp->coal, sizeof(*ec));
11159         return 0;
11160 }
11161
11162 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11163 {
11164         struct tg3 *tp = netdev_priv(dev);
11165         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11166         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11167
11168         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11169                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11170                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11171                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11172                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11173         }
11174
11175         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11176             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11177             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11178             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11179             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11180             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11181             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11182             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11183             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11184             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11185                 return -EINVAL;
11186
11187         /* No rx interrupts will be generated if both are zero */
11188         if ((ec->rx_coalesce_usecs == 0) &&
11189             (ec->rx_max_coalesced_frames == 0))
11190                 return -EINVAL;
11191
11192         /* No tx interrupts will be generated if both are zero */
11193         if ((ec->tx_coalesce_usecs == 0) &&
11194             (ec->tx_max_coalesced_frames == 0))
11195                 return -EINVAL;
11196
11197         /* Only copy relevant parameters, ignore all others. */
11198         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11199         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11200         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11201         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11202         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11203         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11204         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11205         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11206         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11207
11208         if (netif_running(dev)) {
11209                 tg3_full_lock(tp, 0);
11210                 __tg3_set_coalesce(tp, &tp->coal);
11211                 tg3_full_unlock(tp);
11212         }
11213         return 0;
11214 }
11215
11216 static const struct ethtool_ops tg3_ethtool_ops = {
11217         .get_settings           = tg3_get_settings,
11218         .set_settings           = tg3_set_settings,
11219         .get_drvinfo            = tg3_get_drvinfo,
11220         .get_regs_len           = tg3_get_regs_len,
11221         .get_regs               = tg3_get_regs,
11222         .get_wol                = tg3_get_wol,
11223         .set_wol                = tg3_set_wol,
11224         .get_msglevel           = tg3_get_msglevel,
11225         .set_msglevel           = tg3_set_msglevel,
11226         .nway_reset             = tg3_nway_reset,
11227         .get_link               = ethtool_op_get_link,
11228         .get_eeprom_len         = tg3_get_eeprom_len,
11229         .get_eeprom             = tg3_get_eeprom,
11230         .set_eeprom             = tg3_set_eeprom,
11231         .get_ringparam          = tg3_get_ringparam,
11232         .set_ringparam          = tg3_set_ringparam,
11233         .get_pauseparam         = tg3_get_pauseparam,
11234         .set_pauseparam         = tg3_set_pauseparam,
11235         .get_rx_csum            = tg3_get_rx_csum,
11236         .set_rx_csum            = tg3_set_rx_csum,
11237         .set_tx_csum            = tg3_set_tx_csum,
11238         .set_sg                 = ethtool_op_set_sg,
11239         .set_tso                = tg3_set_tso,
11240         .self_test              = tg3_self_test,
11241         .get_strings            = tg3_get_strings,
11242         .phys_id                = tg3_phys_id,
11243         .get_ethtool_stats      = tg3_get_ethtool_stats,
11244         .get_coalesce           = tg3_get_coalesce,
11245         .set_coalesce           = tg3_set_coalesce,
11246         .get_sset_count         = tg3_get_sset_count,
11247 };
11248
11249 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11250 {
11251         u32 cursize, val, magic;
11252
11253         tp->nvram_size = EEPROM_CHIP_SIZE;
11254
11255         if (tg3_nvram_read(tp, 0, &magic) != 0)
11256                 return;
11257
11258         if ((magic != TG3_EEPROM_MAGIC) &&
11259             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11260             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11261                 return;
11262
11263         /*
11264          * Size the chip by reading offsets at increasing powers of two.
11265          * When we encounter our validation signature, we know the addressing
11266          * has wrapped around, and thus have our chip size.
11267          */
11268         cursize = 0x10;
11269
11270         while (cursize < tp->nvram_size) {
11271                 if (tg3_nvram_read(tp, cursize, &val) != 0)
11272                         return;
11273
11274                 if (val == magic)
11275                         break;
11276
11277                 cursize <<= 1;
11278         }
11279
11280         tp->nvram_size = cursize;
11281 }
11282
11283 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11284 {
11285         u32 val;
11286
11287         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11288             tg3_nvram_read(tp, 0, &val) != 0)
11289                 return;
11290
11291         /* Selfboot format */
11292         if (val != TG3_EEPROM_MAGIC) {
11293                 tg3_get_eeprom_size(tp);
11294                 return;
11295         }
11296
11297         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11298                 if (val != 0) {
11299                         /* This is confusing.  We want to operate on the
11300                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
11301                          * call will read from NVRAM and byteswap the data
11302                          * according to the byteswapping settings for all
11303                          * other register accesses.  This ensures the data we
11304                          * want will always reside in the lower 16-bits.
11305                          * However, the data in NVRAM is in LE format, which
11306                          * means the data from the NVRAM read will always be
11307                          * opposite the endianness of the CPU.  The 16-bit
11308                          * byteswap then brings the data to CPU endianness.
11309                          */
11310                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11311                         return;
11312                 }
11313         }
11314         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11315 }
11316
11317 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11318 {
11319         u32 nvcfg1;
11320
11321         nvcfg1 = tr32(NVRAM_CFG1);
11322         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11323                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11324         } else {
11325                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11326                 tw32(NVRAM_CFG1, nvcfg1);
11327         }
11328
11329         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11330             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11331                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11332                 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11333                         tp->nvram_jedecnum = JEDEC_ATMEL;
11334                         tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11335                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11336                         break;
11337                 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11338                         tp->nvram_jedecnum = JEDEC_ATMEL;
11339                         tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11340                         break;
11341                 case FLASH_VENDOR_ATMEL_EEPROM:
11342                         tp->nvram_jedecnum = JEDEC_ATMEL;
11343                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11344                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11345                         break;
11346                 case FLASH_VENDOR_ST:
11347                         tp->nvram_jedecnum = JEDEC_ST;
11348                         tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11349                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11350                         break;
11351                 case FLASH_VENDOR_SAIFUN:
11352                         tp->nvram_jedecnum = JEDEC_SAIFUN;
11353                         tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11354                         break;
11355                 case FLASH_VENDOR_SST_SMALL:
11356                 case FLASH_VENDOR_SST_LARGE:
11357                         tp->nvram_jedecnum = JEDEC_SST;
11358                         tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11359                         break;
11360                 }
11361         } else {
11362                 tp->nvram_jedecnum = JEDEC_ATMEL;
11363                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11364                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11365         }
11366 }
11367
11368 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11369 {
11370         switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11371         case FLASH_5752PAGE_SIZE_256:
11372                 tp->nvram_pagesize = 256;
11373                 break;
11374         case FLASH_5752PAGE_SIZE_512:
11375                 tp->nvram_pagesize = 512;
11376                 break;
11377         case FLASH_5752PAGE_SIZE_1K:
11378                 tp->nvram_pagesize = 1024;
11379                 break;
11380         case FLASH_5752PAGE_SIZE_2K:
11381                 tp->nvram_pagesize = 2048;
11382                 break;
11383         case FLASH_5752PAGE_SIZE_4K:
11384                 tp->nvram_pagesize = 4096;
11385                 break;
11386         case FLASH_5752PAGE_SIZE_264:
11387                 tp->nvram_pagesize = 264;
11388                 break;
11389         case FLASH_5752PAGE_SIZE_528:
11390                 tp->nvram_pagesize = 528;
11391                 break;
11392         }
11393 }
11394
11395 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11396 {
11397         u32 nvcfg1;
11398
11399         nvcfg1 = tr32(NVRAM_CFG1);
11400
11401         /* NVRAM protection for TPM */
11402         if (nvcfg1 & (1 << 27))
11403                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11404
11405         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11406         case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11407         case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11408                 tp->nvram_jedecnum = JEDEC_ATMEL;
11409                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11410                 break;
11411         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11412                 tp->nvram_jedecnum = JEDEC_ATMEL;
11413                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11414                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11415                 break;
11416         case FLASH_5752VENDOR_ST_M45PE10:
11417         case FLASH_5752VENDOR_ST_M45PE20:
11418         case FLASH_5752VENDOR_ST_M45PE40:
11419                 tp->nvram_jedecnum = JEDEC_ST;
11420                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11421                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11422                 break;
11423         }
11424
11425         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11426                 tg3_nvram_get_pagesize(tp, nvcfg1);
11427         } else {
11428                 /* For eeprom, set pagesize to maximum eeprom size */
11429                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11430
11431                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11432                 tw32(NVRAM_CFG1, nvcfg1);
11433         }
11434 }
11435
11436 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11437 {
11438         u32 nvcfg1, protect = 0;
11439
11440         nvcfg1 = tr32(NVRAM_CFG1);
11441
11442         /* NVRAM protection for TPM */
11443         if (nvcfg1 & (1 << 27)) {
11444                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11445                 protect = 1;
11446         }
11447
11448         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11449         switch (nvcfg1) {
11450         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11451         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11452         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11453         case FLASH_5755VENDOR_ATMEL_FLASH_5:
11454                 tp->nvram_jedecnum = JEDEC_ATMEL;
11455                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11456                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11457                 tp->nvram_pagesize = 264;
11458                 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11459                     nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11460                         tp->nvram_size = (protect ? 0x3e200 :
11461                                           TG3_NVRAM_SIZE_512KB);
11462                 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11463                         tp->nvram_size = (protect ? 0x1f200 :
11464                                           TG3_NVRAM_SIZE_256KB);
11465                 else
11466                         tp->nvram_size = (protect ? 0x1f200 :
11467                                           TG3_NVRAM_SIZE_128KB);
11468                 break;
11469         case FLASH_5752VENDOR_ST_M45PE10:
11470         case FLASH_5752VENDOR_ST_M45PE20:
11471         case FLASH_5752VENDOR_ST_M45PE40:
11472                 tp->nvram_jedecnum = JEDEC_ST;
11473                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11474                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11475                 tp->nvram_pagesize = 256;
11476                 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11477                         tp->nvram_size = (protect ?
11478                                           TG3_NVRAM_SIZE_64KB :
11479                                           TG3_NVRAM_SIZE_128KB);
11480                 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11481                         tp->nvram_size = (protect ?
11482                                           TG3_NVRAM_SIZE_64KB :
11483                                           TG3_NVRAM_SIZE_256KB);
11484                 else
11485                         tp->nvram_size = (protect ?
11486                                           TG3_NVRAM_SIZE_128KB :
11487                                           TG3_NVRAM_SIZE_512KB);
11488                 break;
11489         }
11490 }
11491
11492 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11493 {
11494         u32 nvcfg1;
11495
11496         nvcfg1 = tr32(NVRAM_CFG1);
11497
11498         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11499         case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11500         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11501         case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11502         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11503                 tp->nvram_jedecnum = JEDEC_ATMEL;
11504                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11505                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11506
11507                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11508                 tw32(NVRAM_CFG1, nvcfg1);
11509                 break;
11510         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11511         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11512         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11513         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11514                 tp->nvram_jedecnum = JEDEC_ATMEL;
11515                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11516                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11517                 tp->nvram_pagesize = 264;
11518                 break;
11519         case FLASH_5752VENDOR_ST_M45PE10:
11520         case FLASH_5752VENDOR_ST_M45PE20:
11521         case FLASH_5752VENDOR_ST_M45PE40:
11522                 tp->nvram_jedecnum = JEDEC_ST;
11523                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11524                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11525                 tp->nvram_pagesize = 256;
11526                 break;
11527         }
11528 }
11529
11530 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11531 {
11532         u32 nvcfg1, protect = 0;
11533
11534         nvcfg1 = tr32(NVRAM_CFG1);
11535
11536         /* NVRAM protection for TPM */
11537         if (nvcfg1 & (1 << 27)) {
11538                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11539                 protect = 1;
11540         }
11541
11542         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11543         switch (nvcfg1) {
11544         case FLASH_5761VENDOR_ATMEL_ADB021D:
11545         case FLASH_5761VENDOR_ATMEL_ADB041D:
11546         case FLASH_5761VENDOR_ATMEL_ADB081D:
11547         case FLASH_5761VENDOR_ATMEL_ADB161D:
11548         case FLASH_5761VENDOR_ATMEL_MDB021D:
11549         case FLASH_5761VENDOR_ATMEL_MDB041D:
11550         case FLASH_5761VENDOR_ATMEL_MDB081D:
11551         case FLASH_5761VENDOR_ATMEL_MDB161D:
11552                 tp->nvram_jedecnum = JEDEC_ATMEL;
11553                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11554                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11555                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11556                 tp->nvram_pagesize = 256;
11557                 break;
11558         case FLASH_5761VENDOR_ST_A_M45PE20:
11559         case FLASH_5761VENDOR_ST_A_M45PE40:
11560         case FLASH_5761VENDOR_ST_A_M45PE80:
11561         case FLASH_5761VENDOR_ST_A_M45PE16:
11562         case FLASH_5761VENDOR_ST_M_M45PE20:
11563         case FLASH_5761VENDOR_ST_M_M45PE40:
11564         case FLASH_5761VENDOR_ST_M_M45PE80:
11565         case FLASH_5761VENDOR_ST_M_M45PE16:
11566                 tp->nvram_jedecnum = JEDEC_ST;
11567                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11568                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11569                 tp->nvram_pagesize = 256;
11570                 break;
11571         }
11572
11573         if (protect) {
11574                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11575         } else {
11576                 switch (nvcfg1) {
11577                 case FLASH_5761VENDOR_ATMEL_ADB161D:
11578                 case FLASH_5761VENDOR_ATMEL_MDB161D:
11579                 case FLASH_5761VENDOR_ST_A_M45PE16:
11580                 case FLASH_5761VENDOR_ST_M_M45PE16:
11581                         tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11582                         break;
11583                 case FLASH_5761VENDOR_ATMEL_ADB081D:
11584                 case FLASH_5761VENDOR_ATMEL_MDB081D:
11585                 case FLASH_5761VENDOR_ST_A_M45PE80:
11586                 case FLASH_5761VENDOR_ST_M_M45PE80:
11587                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11588                         break;
11589                 case FLASH_5761VENDOR_ATMEL_ADB041D:
11590                 case FLASH_5761VENDOR_ATMEL_MDB041D:
11591                 case FLASH_5761VENDOR_ST_A_M45PE40:
11592                 case FLASH_5761VENDOR_ST_M_M45PE40:
11593                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11594                         break;
11595                 case FLASH_5761VENDOR_ATMEL_ADB021D:
11596                 case FLASH_5761VENDOR_ATMEL_MDB021D:
11597                 case FLASH_5761VENDOR_ST_A_M45PE20:
11598                 case FLASH_5761VENDOR_ST_M_M45PE20:
11599                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11600                         break;
11601                 }
11602         }
11603 }
11604
11605 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11606 {
11607         tp->nvram_jedecnum = JEDEC_ATMEL;
11608         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11609         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11610 }
11611
11612 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11613 {
11614         u32 nvcfg1;
11615
11616         nvcfg1 = tr32(NVRAM_CFG1);
11617
11618         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11619         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11620         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11621                 tp->nvram_jedecnum = JEDEC_ATMEL;
11622                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11623                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11624
11625                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11626                 tw32(NVRAM_CFG1, nvcfg1);
11627                 return;
11628         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11629         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11630         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11631         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11632         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11633         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11634         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11635                 tp->nvram_jedecnum = JEDEC_ATMEL;
11636                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11637                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11638
11639                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11640                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11641                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11642                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11643                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11644                         break;
11645                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11646                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11647                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11648                         break;
11649                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11650                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11651                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11652                         break;
11653                 }
11654                 break;
11655         case FLASH_5752VENDOR_ST_M45PE10:
11656         case FLASH_5752VENDOR_ST_M45PE20:
11657         case FLASH_5752VENDOR_ST_M45PE40:
11658                 tp->nvram_jedecnum = JEDEC_ST;
11659                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11660                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11661
11662                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11663                 case FLASH_5752VENDOR_ST_M45PE10:
11664                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11665                         break;
11666                 case FLASH_5752VENDOR_ST_M45PE20:
11667                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11668                         break;
11669                 case FLASH_5752VENDOR_ST_M45PE40:
11670                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11671                         break;
11672                 }
11673                 break;
11674         default:
11675                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11676                 return;
11677         }
11678
11679         tg3_nvram_get_pagesize(tp, nvcfg1);
11680         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11681                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11682 }
11683
11684
11685 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11686 {
11687         u32 nvcfg1;
11688
11689         nvcfg1 = tr32(NVRAM_CFG1);
11690
11691         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11692         case FLASH_5717VENDOR_ATMEL_EEPROM:
11693         case FLASH_5717VENDOR_MICRO_EEPROM:
11694                 tp->nvram_jedecnum = JEDEC_ATMEL;
11695                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11696                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11697
11698                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11699                 tw32(NVRAM_CFG1, nvcfg1);
11700                 return;
11701         case FLASH_5717VENDOR_ATMEL_MDB011D:
11702         case FLASH_5717VENDOR_ATMEL_ADB011B:
11703         case FLASH_5717VENDOR_ATMEL_ADB011D:
11704         case FLASH_5717VENDOR_ATMEL_MDB021D:
11705         case FLASH_5717VENDOR_ATMEL_ADB021B:
11706         case FLASH_5717VENDOR_ATMEL_ADB021D:
11707         case FLASH_5717VENDOR_ATMEL_45USPT:
11708                 tp->nvram_jedecnum = JEDEC_ATMEL;
11709                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11710                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11711
11712                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11713                 case FLASH_5717VENDOR_ATMEL_MDB021D:
11714                 case FLASH_5717VENDOR_ATMEL_ADB021B:
11715                 case FLASH_5717VENDOR_ATMEL_ADB021D:
11716                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11717                         break;
11718                 default:
11719                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11720                         break;
11721                 }
11722                 break;
11723         case FLASH_5717VENDOR_ST_M_M25PE10:
11724         case FLASH_5717VENDOR_ST_A_M25PE10:
11725         case FLASH_5717VENDOR_ST_M_M45PE10:
11726         case FLASH_5717VENDOR_ST_A_M45PE10:
11727         case FLASH_5717VENDOR_ST_M_M25PE20:
11728         case FLASH_5717VENDOR_ST_A_M25PE20:
11729         case FLASH_5717VENDOR_ST_M_M45PE20:
11730         case FLASH_5717VENDOR_ST_A_M45PE20:
11731         case FLASH_5717VENDOR_ST_25USPT:
11732         case FLASH_5717VENDOR_ST_45USPT:
11733                 tp->nvram_jedecnum = JEDEC_ST;
11734                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11735                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11736
11737                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11738                 case FLASH_5717VENDOR_ST_M_M25PE20:
11739                 case FLASH_5717VENDOR_ST_A_M25PE20:
11740                 case FLASH_5717VENDOR_ST_M_M45PE20:
11741                 case FLASH_5717VENDOR_ST_A_M45PE20:
11742                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11743                         break;
11744                 default:
11745                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11746                         break;
11747                 }
11748                 break;
11749         default:
11750                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11751                 return;
11752         }
11753
11754         tg3_nvram_get_pagesize(tp, nvcfg1);
11755         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11756                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11757 }
11758
11759 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11760 static void __devinit tg3_nvram_init(struct tg3 *tp)
11761 {
11762         tw32_f(GRC_EEPROM_ADDR,
11763              (EEPROM_ADDR_FSM_RESET |
11764               (EEPROM_DEFAULT_CLOCK_PERIOD <<
11765                EEPROM_ADDR_CLKPERD_SHIFT)));
11766
11767         msleep(1);
11768
11769         /* Enable seeprom accesses. */
11770         tw32_f(GRC_LOCAL_CTRL,
11771              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11772         udelay(100);
11773
11774         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11775             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11776                 tp->tg3_flags |= TG3_FLAG_NVRAM;
11777
11778                 if (tg3_nvram_lock(tp)) {
11779                         netdev_warn(tp->dev, "Cannot get nvram lock, %s failed\n",
11780                                     __func__);
11781                         return;
11782                 }
11783                 tg3_enable_nvram_access(tp);
11784
11785                 tp->nvram_size = 0;
11786
11787                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11788                         tg3_get_5752_nvram_info(tp);
11789                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11790                         tg3_get_5755_nvram_info(tp);
11791                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11792                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11793                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11794                         tg3_get_5787_nvram_info(tp);
11795                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11796                         tg3_get_5761_nvram_info(tp);
11797                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11798                         tg3_get_5906_nvram_info(tp);
11799                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11800                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11801                         tg3_get_57780_nvram_info(tp);
11802                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11803                         tg3_get_5717_nvram_info(tp);
11804                 else
11805                         tg3_get_nvram_info(tp);
11806
11807                 if (tp->nvram_size == 0)
11808                         tg3_get_nvram_size(tp);
11809
11810                 tg3_disable_nvram_access(tp);
11811                 tg3_nvram_unlock(tp);
11812
11813         } else {
11814                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11815
11816                 tg3_get_eeprom_size(tp);
11817         }
11818 }
11819
11820 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11821                                     u32 offset, u32 len, u8 *buf)
11822 {
11823         int i, j, rc = 0;
11824         u32 val;
11825
11826         for (i = 0; i < len; i += 4) {
11827                 u32 addr;
11828                 __be32 data;
11829
11830                 addr = offset + i;
11831
11832                 memcpy(&data, buf + i, 4);
11833
11834                 /*
11835                  * The SEEPROM interface expects the data to always be opposite
11836                  * the native endian format.  We accomplish this by reversing
11837                  * all the operations that would have been performed on the
11838                  * data from a call to tg3_nvram_read_be32().
11839                  */
11840                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11841
11842                 val = tr32(GRC_EEPROM_ADDR);
11843                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11844
11845                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11846                         EEPROM_ADDR_READ);
11847                 tw32(GRC_EEPROM_ADDR, val |
11848                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
11849                         (addr & EEPROM_ADDR_ADDR_MASK) |
11850                         EEPROM_ADDR_START |
11851                         EEPROM_ADDR_WRITE);
11852
11853                 for (j = 0; j < 1000; j++) {
11854                         val = tr32(GRC_EEPROM_ADDR);
11855
11856                         if (val & EEPROM_ADDR_COMPLETE)
11857                                 break;
11858                         msleep(1);
11859                 }
11860                 if (!(val & EEPROM_ADDR_COMPLETE)) {
11861                         rc = -EBUSY;
11862                         break;
11863                 }
11864         }
11865
11866         return rc;
11867 }
11868
11869 /* offset and length are dword aligned */
11870 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11871                 u8 *buf)
11872 {
11873         int ret = 0;
11874         u32 pagesize = tp->nvram_pagesize;
11875         u32 pagemask = pagesize - 1;
11876         u32 nvram_cmd;
11877         u8 *tmp;
11878
11879         tmp = kmalloc(pagesize, GFP_KERNEL);
11880         if (tmp == NULL)
11881                 return -ENOMEM;
11882
11883         while (len) {
11884                 int j;
11885                 u32 phy_addr, page_off, size;
11886
11887                 phy_addr = offset & ~pagemask;
11888
11889                 for (j = 0; j < pagesize; j += 4) {
11890                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
11891                                                   (__be32 *) (tmp + j));
11892                         if (ret)
11893                                 break;
11894                 }
11895                 if (ret)
11896                         break;
11897
11898                 page_off = offset & pagemask;
11899                 size = pagesize;
11900                 if (len < size)
11901                         size = len;
11902
11903                 len -= size;
11904
11905                 memcpy(tmp + page_off, buf, size);
11906
11907                 offset = offset + (pagesize - page_off);
11908
11909                 tg3_enable_nvram_access(tp);
11910
11911                 /*
11912                  * Before we can erase the flash page, we need
11913                  * to issue a special "write enable" command.
11914                  */
11915                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11916
11917                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11918                         break;
11919
11920                 /* Erase the target page */
11921                 tw32(NVRAM_ADDR, phy_addr);
11922
11923                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11924                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11925
11926                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11927                         break;
11928
11929                 /* Issue another write enable to start the write. */
11930                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11931
11932                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11933                         break;
11934
11935                 for (j = 0; j < pagesize; j += 4) {
11936                         __be32 data;
11937
11938                         data = *((__be32 *) (tmp + j));
11939
11940                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
11941
11942                         tw32(NVRAM_ADDR, phy_addr + j);
11943
11944                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11945                                 NVRAM_CMD_WR;
11946
11947                         if (j == 0)
11948                                 nvram_cmd |= NVRAM_CMD_FIRST;
11949                         else if (j == (pagesize - 4))
11950                                 nvram_cmd |= NVRAM_CMD_LAST;
11951
11952                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11953                                 break;
11954                 }
11955                 if (ret)
11956                         break;
11957         }
11958
11959         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11960         tg3_nvram_exec_cmd(tp, nvram_cmd);
11961
11962         kfree(tmp);
11963
11964         return ret;
11965 }
11966
11967 /* offset and length are dword aligned */
11968 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11969                 u8 *buf)
11970 {
11971         int i, ret = 0;
11972
11973         for (i = 0; i < len; i += 4, offset += 4) {
11974                 u32 page_off, phy_addr, nvram_cmd;
11975                 __be32 data;
11976
11977                 memcpy(&data, buf + i, 4);
11978                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11979
11980                 page_off = offset % tp->nvram_pagesize;
11981
11982                 phy_addr = tg3_nvram_phys_addr(tp, offset);
11983
11984                 tw32(NVRAM_ADDR, phy_addr);
11985
11986                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11987
11988                 if ((page_off == 0) || (i == 0))
11989                         nvram_cmd |= NVRAM_CMD_FIRST;
11990                 if (page_off == (tp->nvram_pagesize - 4))
11991                         nvram_cmd |= NVRAM_CMD_LAST;
11992
11993                 if (i == (len - 4))
11994                         nvram_cmd |= NVRAM_CMD_LAST;
11995
11996                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11997                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
11998                     (tp->nvram_jedecnum == JEDEC_ST) &&
11999                     (nvram_cmd & NVRAM_CMD_FIRST)) {
12000
12001                         if ((ret = tg3_nvram_exec_cmd(tp,
12002                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
12003                                 NVRAM_CMD_DONE)))
12004
12005                                 break;
12006                 }
12007                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12008                         /* We always do complete word writes to eeprom. */
12009                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
12010                 }
12011
12012                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
12013                         break;
12014         }
12015         return ret;
12016 }
12017
12018 /* offset and length are dword aligned */
12019 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
12020 {
12021         int ret;
12022
12023         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12024                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
12025                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
12026                 udelay(40);
12027         }
12028
12029         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
12030                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
12031         }
12032         else {
12033                 u32 grc_mode;
12034
12035                 ret = tg3_nvram_lock(tp);
12036                 if (ret)
12037                         return ret;
12038
12039                 tg3_enable_nvram_access(tp);
12040                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
12041                     !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
12042                         tw32(NVRAM_WRITE1, 0x406);
12043
12044                 grc_mode = tr32(GRC_MODE);
12045                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
12046
12047                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
12048                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12049
12050                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
12051                                 buf);
12052                 }
12053                 else {
12054                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
12055                                 buf);
12056                 }
12057
12058                 grc_mode = tr32(GRC_MODE);
12059                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
12060
12061                 tg3_disable_nvram_access(tp);
12062                 tg3_nvram_unlock(tp);
12063         }
12064
12065         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12066                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
12067                 udelay(40);
12068         }
12069
12070         return ret;
12071 }
12072
12073 struct subsys_tbl_ent {
12074         u16 subsys_vendor, subsys_devid;
12075         u32 phy_id;
12076 };
12077
12078 static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = {
12079         /* Broadcom boards. */
12080         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12081           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
12082         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12083           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
12084         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12085           TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
12086         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12087           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
12088         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12089           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
12090         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12091           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
12092         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12093           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
12094         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12095           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
12096         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12097           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
12098         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12099           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
12100         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12101           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
12102
12103         /* 3com boards. */
12104         { TG3PCI_SUBVENDOR_ID_3COM,
12105           TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
12106         { TG3PCI_SUBVENDOR_ID_3COM,
12107           TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
12108         { TG3PCI_SUBVENDOR_ID_3COM,
12109           TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
12110         { TG3PCI_SUBVENDOR_ID_3COM,
12111           TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
12112         { TG3PCI_SUBVENDOR_ID_3COM,
12113           TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
12114
12115         /* DELL boards. */
12116         { TG3PCI_SUBVENDOR_ID_DELL,
12117           TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
12118         { TG3PCI_SUBVENDOR_ID_DELL,
12119           TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
12120         { TG3PCI_SUBVENDOR_ID_DELL,
12121           TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
12122         { TG3PCI_SUBVENDOR_ID_DELL,
12123           TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
12124
12125         /* Compaq boards. */
12126         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12127           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
12128         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12129           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
12130         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12131           TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
12132         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12133           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
12134         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12135           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
12136
12137         /* IBM boards. */
12138         { TG3PCI_SUBVENDOR_ID_IBM,
12139           TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
12140 };
12141
12142 static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp)
12143 {
12144         int i;
12145
12146         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12147                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12148                      tp->pdev->subsystem_vendor) &&
12149                     (subsys_id_to_phy_id[i].subsys_devid ==
12150                      tp->pdev->subsystem_device))
12151                         return &subsys_id_to_phy_id[i];
12152         }
12153         return NULL;
12154 }
12155
12156 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
12157 {
12158         u32 val;
12159         u16 pmcsr;
12160
12161         /* On some early chips the SRAM cannot be accessed in D3hot state,
12162          * so need make sure we're in D0.
12163          */
12164         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12165         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12166         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12167         msleep(1);
12168
12169         /* Make sure register accesses (indirect or otherwise)
12170          * will function correctly.
12171          */
12172         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12173                                tp->misc_host_ctrl);
12174
12175         /* The memory arbiter has to be enabled in order for SRAM accesses
12176          * to succeed.  Normally on powerup the tg3 chip firmware will make
12177          * sure it is enabled, but other entities such as system netboot
12178          * code might disable it.
12179          */
12180         val = tr32(MEMARB_MODE);
12181         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12182
12183         tp->phy_id = TG3_PHY_ID_INVALID;
12184         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12185
12186         /* Assume an onboard device and WOL capable by default.  */
12187         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
12188
12189         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12190                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
12191                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12192                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12193                 }
12194                 val = tr32(VCPU_CFGSHDW);
12195                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
12196                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12197                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
12198                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
12199                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12200                 goto done;
12201         }
12202
12203         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12204         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12205                 u32 nic_cfg, led_cfg;
12206                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12207                 int eeprom_phy_serdes = 0;
12208
12209                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12210                 tp->nic_sram_data_cfg = nic_cfg;
12211
12212                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12213                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12214                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12215                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12216                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12217                     (ver > 0) && (ver < 0x100))
12218                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12219
12220                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12221                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12222
12223                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12224                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12225                         eeprom_phy_serdes = 1;
12226
12227                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12228                 if (nic_phy_id != 0) {
12229                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12230                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12231
12232                         eeprom_phy_id  = (id1 >> 16) << 10;
12233                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
12234                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
12235                 } else
12236                         eeprom_phy_id = 0;
12237
12238                 tp->phy_id = eeprom_phy_id;
12239                 if (eeprom_phy_serdes) {
12240                         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12241                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12242                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
12243                         else
12244                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12245                 }
12246
12247                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12248                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12249                                     SHASTA_EXT_LED_MODE_MASK);
12250                 else
12251                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12252
12253                 switch (led_cfg) {
12254                 default:
12255                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12256                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12257                         break;
12258
12259                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12260                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12261                         break;
12262
12263                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12264                         tp->led_ctrl = LED_CTRL_MODE_MAC;
12265
12266                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12267                          * read on some older 5700/5701 bootcode.
12268                          */
12269                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12270                             ASIC_REV_5700 ||
12271                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
12272                             ASIC_REV_5701)
12273                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12274
12275                         break;
12276
12277                 case SHASTA_EXT_LED_SHARED:
12278                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
12279                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12280                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12281                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12282                                                  LED_CTRL_MODE_PHY_2);
12283                         break;
12284
12285                 case SHASTA_EXT_LED_MAC:
12286                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12287                         break;
12288
12289                 case SHASTA_EXT_LED_COMBO:
12290                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
12291                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12292                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12293                                                  LED_CTRL_MODE_PHY_2);
12294                         break;
12295
12296                 }
12297
12298                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12299                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12300                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12301                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12302
12303                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12304                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12305
12306                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12307                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12308                         if ((tp->pdev->subsystem_vendor ==
12309                              PCI_VENDOR_ID_ARIMA) &&
12310                             (tp->pdev->subsystem_device == 0x205a ||
12311                              tp->pdev->subsystem_device == 0x2063))
12312                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12313                 } else {
12314                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12315                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12316                 }
12317
12318                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12319                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12320                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12321                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12322                 }
12323
12324                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12325                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12326                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12327
12328                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
12329                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12330                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12331
12332                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12333                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12334                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12335
12336                 if (cfg2 & (1 << 17))
12337                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
12338
12339                 /* serdes signal pre-emphasis in register 0x590 set by */
12340                 /* bootcode if bit 18 is set */
12341                 if (cfg2 & (1 << 18))
12342                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
12343
12344                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12345                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12346                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12347                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
12348
12349                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12350                         u32 cfg3;
12351
12352                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12353                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12354                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12355                 }
12356
12357                 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
12358                         tp->tg3_flags3 |= TG3_FLG3_RGMII_INBAND_DISABLE;
12359                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12360                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12361                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12362                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12363         }
12364 done:
12365         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12366         device_set_wakeup_enable(&tp->pdev->dev,
12367                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12368 }
12369
12370 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12371 {
12372         int i;
12373         u32 val;
12374
12375         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12376         tw32(OTP_CTRL, cmd);
12377
12378         /* Wait for up to 1 ms for command to execute. */
12379         for (i = 0; i < 100; i++) {
12380                 val = tr32(OTP_STATUS);
12381                 if (val & OTP_STATUS_CMD_DONE)
12382                         break;
12383                 udelay(10);
12384         }
12385
12386         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12387 }
12388
12389 /* Read the gphy configuration from the OTP region of the chip.  The gphy
12390  * configuration is a 32-bit value that straddles the alignment boundary.
12391  * We do two 32-bit reads and then shift and merge the results.
12392  */
12393 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12394 {
12395         u32 bhalf_otp, thalf_otp;
12396
12397         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12398
12399         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12400                 return 0;
12401
12402         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12403
12404         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12405                 return 0;
12406
12407         thalf_otp = tr32(OTP_READ_DATA);
12408
12409         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12410
12411         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12412                 return 0;
12413
12414         bhalf_otp = tr32(OTP_READ_DATA);
12415
12416         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12417 }
12418
12419 static int __devinit tg3_phy_probe(struct tg3 *tp)
12420 {
12421         u32 hw_phy_id_1, hw_phy_id_2;
12422         u32 hw_phy_id, hw_phy_id_masked;
12423         int err;
12424
12425         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12426                 return tg3_phy_init(tp);
12427
12428         /* Reading the PHY ID register can conflict with ASF
12429          * firmware access to the PHY hardware.
12430          */
12431         err = 0;
12432         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12433             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12434                 hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
12435         } else {
12436                 /* Now read the physical PHY_ID from the chip and verify
12437                  * that it is sane.  If it doesn't look good, we fall back
12438                  * to either the hard-coded table based PHY_ID and failing
12439                  * that the value found in the eeprom area.
12440                  */
12441                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12442                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12443
12444                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
12445                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12446                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
12447
12448                 hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
12449         }
12450
12451         if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
12452                 tp->phy_id = hw_phy_id;
12453                 if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
12454                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12455                 else
12456                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
12457         } else {
12458                 if (tp->phy_id != TG3_PHY_ID_INVALID) {
12459                         /* Do nothing, phy ID already set up in
12460                          * tg3_get_eeprom_hw_cfg().
12461                          */
12462                 } else {
12463                         struct subsys_tbl_ent *p;
12464
12465                         /* No eeprom signature?  Try the hardcoded
12466                          * subsys device table.
12467                          */
12468                         p = tg3_lookup_by_subsys(tp);
12469                         if (!p)
12470                                 return -ENODEV;
12471
12472                         tp->phy_id = p->phy_id;
12473                         if (!tp->phy_id ||
12474                             tp->phy_id == TG3_PHY_ID_BCM8002)
12475                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12476                 }
12477         }
12478
12479         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
12480             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12481             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12482                 u32 bmsr, adv_reg, tg3_ctrl, mask;
12483
12484                 tg3_readphy(tp, MII_BMSR, &bmsr);
12485                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12486                     (bmsr & BMSR_LSTATUS))
12487                         goto skip_phy_reset;
12488
12489                 err = tg3_phy_reset(tp);
12490                 if (err)
12491                         return err;
12492
12493                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12494                            ADVERTISE_100HALF | ADVERTISE_100FULL |
12495                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12496                 tg3_ctrl = 0;
12497                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12498                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12499                                     MII_TG3_CTRL_ADV_1000_FULL);
12500                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12501                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12502                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12503                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
12504                 }
12505
12506                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12507                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12508                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12509                 if (!tg3_copper_is_advertising_all(tp, mask)) {
12510                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12511
12512                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12513                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12514
12515                         tg3_writephy(tp, MII_BMCR,
12516                                      BMCR_ANENABLE | BMCR_ANRESTART);
12517                 }
12518                 tg3_phy_set_wirespeed(tp);
12519
12520                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12521                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12522                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12523         }
12524
12525 skip_phy_reset:
12526         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
12527                 err = tg3_init_5401phy_dsp(tp);
12528                 if (err)
12529                         return err;
12530
12531                 err = tg3_init_5401phy_dsp(tp);
12532         }
12533
12534         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
12535                 tp->link_config.advertising =
12536                         (ADVERTISED_1000baseT_Half |
12537                          ADVERTISED_1000baseT_Full |
12538                          ADVERTISED_Autoneg |
12539                          ADVERTISED_FIBRE);
12540         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12541                 tp->link_config.advertising &=
12542                         ~(ADVERTISED_1000baseT_Half |
12543                           ADVERTISED_1000baseT_Full);
12544
12545         return err;
12546 }
12547
12548 static void __devinit tg3_read_partno(struct tg3 *tp)
12549 {
12550         unsigned char vpd_data[TG3_NVM_VPD_LEN];   /* in little-endian format */
12551         unsigned int block_end, rosize, len;
12552         int i = 0;
12553         u32 magic;
12554
12555         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12556             tg3_nvram_read(tp, 0x0, &magic))
12557                 goto out_not_found;
12558
12559         if (magic == TG3_EEPROM_MAGIC) {
12560                 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12561                         u32 tmp;
12562
12563                         /* The data is in little-endian format in NVRAM.
12564                          * Use the big-endian read routines to preserve
12565                          * the byte order as it exists in NVRAM.
12566                          */
12567                         if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12568                                 goto out_not_found;
12569
12570                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12571                 }
12572         } else {
12573                 ssize_t cnt;
12574                 unsigned int pos = 0;
12575
12576                 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12577                         cnt = pci_read_vpd(tp->pdev, pos,
12578                                            TG3_NVM_VPD_LEN - pos,
12579                                            &vpd_data[pos]);
12580                         if (cnt == -ETIMEDOUT || -EINTR)
12581                                 cnt = 0;
12582                         else if (cnt < 0)
12583                                 goto out_not_found;
12584                 }
12585                 if (pos != TG3_NVM_VPD_LEN)
12586                         goto out_not_found;
12587         }
12588
12589         i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN,
12590                              PCI_VPD_LRDT_RO_DATA);
12591         if (i < 0)
12592                 goto out_not_found;
12593
12594         rosize = pci_vpd_lrdt_size(&vpd_data[i]);
12595         block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
12596         i += PCI_VPD_LRDT_TAG_SIZE;
12597
12598         if (block_end > TG3_NVM_VPD_LEN)
12599                 goto out_not_found;
12600
12601         i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12602                                       PCI_VPD_RO_KEYWORD_PARTNO);
12603         if (i < 0)
12604                 goto out_not_found;
12605
12606         len = pci_vpd_info_field_size(&vpd_data[i]);
12607
12608         i += PCI_VPD_INFO_FLD_HDR_SIZE;
12609         if (len > TG3_BPN_SIZE ||
12610             (len + i) > TG3_NVM_VPD_LEN)
12611                 goto out_not_found;
12612
12613         memcpy(tp->board_part_number, &vpd_data[i], len);
12614
12615         return;
12616
12617 out_not_found:
12618         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12619                 strcpy(tp->board_part_number, "BCM95906");
12620         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12621                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12622                 strcpy(tp->board_part_number, "BCM57780");
12623         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12624                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12625                 strcpy(tp->board_part_number, "BCM57760");
12626         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12627                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12628                 strcpy(tp->board_part_number, "BCM57790");
12629         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12630                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12631                 strcpy(tp->board_part_number, "BCM57788");
12632         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12633                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
12634                 strcpy(tp->board_part_number, "BCM57761");
12635         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12636                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
12637                 strcpy(tp->board_part_number, "BCM57765");
12638         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12639                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
12640                 strcpy(tp->board_part_number, "BCM57781");
12641         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12642                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
12643                 strcpy(tp->board_part_number, "BCM57785");
12644         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12645                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
12646                 strcpy(tp->board_part_number, "BCM57791");
12647         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12648                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12649                 strcpy(tp->board_part_number, "BCM57795");
12650         else
12651                 strcpy(tp->board_part_number, "none");
12652 }
12653
12654 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12655 {
12656         u32 val;
12657
12658         if (tg3_nvram_read(tp, offset, &val) ||
12659             (val & 0xfc000000) != 0x0c000000 ||
12660             tg3_nvram_read(tp, offset + 4, &val) ||
12661             val != 0)
12662                 return 0;
12663
12664         return 1;
12665 }
12666
12667 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12668 {
12669         u32 val, offset, start, ver_offset;
12670         int i;
12671         bool newver = false;
12672
12673         if (tg3_nvram_read(tp, 0xc, &offset) ||
12674             tg3_nvram_read(tp, 0x4, &start))
12675                 return;
12676
12677         offset = tg3_nvram_logical_addr(tp, offset);
12678
12679         if (tg3_nvram_read(tp, offset, &val))
12680                 return;
12681
12682         if ((val & 0xfc000000) == 0x0c000000) {
12683                 if (tg3_nvram_read(tp, offset + 4, &val))
12684                         return;
12685
12686                 if (val == 0)
12687                         newver = true;
12688         }
12689
12690         if (newver) {
12691                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12692                         return;
12693
12694                 offset = offset + ver_offset - start;
12695                 for (i = 0; i < 16; i += 4) {
12696                         __be32 v;
12697                         if (tg3_nvram_read_be32(tp, offset + i, &v))
12698                                 return;
12699
12700                         memcpy(tp->fw_ver + i, &v, sizeof(v));
12701                 }
12702         } else {
12703                 u32 major, minor;
12704
12705                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12706                         return;
12707
12708                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12709                         TG3_NVM_BCVER_MAJSFT;
12710                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12711                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
12712         }
12713 }
12714
12715 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12716 {
12717         u32 val, major, minor;
12718
12719         /* Use native endian representation */
12720         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12721                 return;
12722
12723         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12724                 TG3_NVM_HWSB_CFG1_MAJSFT;
12725         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12726                 TG3_NVM_HWSB_CFG1_MINSFT;
12727
12728         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12729 }
12730
12731 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12732 {
12733         u32 offset, major, minor, build;
12734
12735         tp->fw_ver[0] = 's';
12736         tp->fw_ver[1] = 'b';
12737         tp->fw_ver[2] = '\0';
12738
12739         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12740                 return;
12741
12742         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12743         case TG3_EEPROM_SB_REVISION_0:
12744                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12745                 break;
12746         case TG3_EEPROM_SB_REVISION_2:
12747                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12748                 break;
12749         case TG3_EEPROM_SB_REVISION_3:
12750                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12751                 break;
12752         case TG3_EEPROM_SB_REVISION_4:
12753                 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
12754                 break;
12755         case TG3_EEPROM_SB_REVISION_5:
12756                 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
12757                 break;
12758         default:
12759                 return;
12760         }
12761
12762         if (tg3_nvram_read(tp, offset, &val))
12763                 return;
12764
12765         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12766                 TG3_EEPROM_SB_EDH_BLD_SHFT;
12767         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12768                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12769         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
12770
12771         if (minor > 99 || build > 26)
12772                 return;
12773
12774         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12775
12776         if (build > 0) {
12777                 tp->fw_ver[8] = 'a' + build - 1;
12778                 tp->fw_ver[9] = '\0';
12779         }
12780 }
12781
12782 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12783 {
12784         u32 val, offset, start;
12785         int i, vlen;
12786
12787         for (offset = TG3_NVM_DIR_START;
12788              offset < TG3_NVM_DIR_END;
12789              offset += TG3_NVM_DIRENT_SIZE) {
12790                 if (tg3_nvram_read(tp, offset, &val))
12791                         return;
12792
12793                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12794                         break;
12795         }
12796
12797         if (offset == TG3_NVM_DIR_END)
12798                 return;
12799
12800         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12801                 start = 0x08000000;
12802         else if (tg3_nvram_read(tp, offset - 4, &start))
12803                 return;
12804
12805         if (tg3_nvram_read(tp, offset + 4, &offset) ||
12806             !tg3_fw_img_is_valid(tp, offset) ||
12807             tg3_nvram_read(tp, offset + 8, &val))
12808                 return;
12809
12810         offset += val - start;
12811
12812         vlen = strlen(tp->fw_ver);
12813
12814         tp->fw_ver[vlen++] = ',';
12815         tp->fw_ver[vlen++] = ' ';
12816
12817         for (i = 0; i < 4; i++) {
12818                 __be32 v;
12819                 if (tg3_nvram_read_be32(tp, offset, &v))
12820                         return;
12821
12822                 offset += sizeof(v);
12823
12824                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12825                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12826                         break;
12827                 }
12828
12829                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12830                 vlen += sizeof(v);
12831         }
12832 }
12833
12834 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12835 {
12836         int vlen;
12837         u32 apedata;
12838
12839         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12840             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
12841                 return;
12842
12843         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12844         if (apedata != APE_SEG_SIG_MAGIC)
12845                 return;
12846
12847         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12848         if (!(apedata & APE_FW_STATUS_READY))
12849                 return;
12850
12851         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12852
12853         vlen = strlen(tp->fw_ver);
12854
12855         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12856                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12857                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12858                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12859                  (apedata & APE_FW_VERSION_BLDMSK));
12860 }
12861
12862 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12863 {
12864         u32 val;
12865
12866         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12867                 tp->fw_ver[0] = 's';
12868                 tp->fw_ver[1] = 'b';
12869                 tp->fw_ver[2] = '\0';
12870
12871                 return;
12872         }
12873
12874         if (tg3_nvram_read(tp, 0, &val))
12875                 return;
12876
12877         if (val == TG3_EEPROM_MAGIC)
12878                 tg3_read_bc_ver(tp);
12879         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12880                 tg3_read_sb_ver(tp, val);
12881         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12882                 tg3_read_hwsb_ver(tp);
12883         else
12884                 return;
12885
12886         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12887              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12888                 return;
12889
12890         tg3_read_mgmtfw_ver(tp);
12891
12892         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12893 }
12894
12895 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12896
12897 static int __devinit tg3_get_invariants(struct tg3 *tp)
12898 {
12899         static struct pci_device_id write_reorder_chipsets[] = {
12900                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12901                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12902                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12903                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12904                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12905                              PCI_DEVICE_ID_VIA_8385_0) },
12906                 { },
12907         };
12908         u32 misc_ctrl_reg;
12909         u32 pci_state_reg, grc_misc_cfg;
12910         u32 val;
12911         u16 pci_cmd;
12912         int err;
12913
12914         /* Force memory write invalidate off.  If we leave it on,
12915          * then on 5700_BX chips we have to enable a workaround.
12916          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12917          * to match the cacheline size.  The Broadcom driver have this
12918          * workaround but turns MWI off all the times so never uses
12919          * it.  This seems to suggest that the workaround is insufficient.
12920          */
12921         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12922         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12923         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12924
12925         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12926          * has the register indirect write enable bit set before
12927          * we try to access any of the MMIO registers.  It is also
12928          * critical that the PCI-X hw workaround situation is decided
12929          * before that as well.
12930          */
12931         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12932                               &misc_ctrl_reg);
12933
12934         tp->pci_chip_rev_id = (misc_ctrl_reg >>
12935                                MISC_HOST_CTRL_CHIPREV_SHIFT);
12936         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12937                 u32 prod_id_asic_rev;
12938
12939                 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12940                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12941                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
12942                         pci_read_config_dword(tp->pdev,
12943                                               TG3PCI_GEN2_PRODID_ASICREV,
12944                                               &prod_id_asic_rev);
12945                 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
12946                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
12947                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
12948                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
12949                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
12950                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12951                         pci_read_config_dword(tp->pdev,
12952                                               TG3PCI_GEN15_PRODID_ASICREV,
12953                                               &prod_id_asic_rev);
12954                 else
12955                         pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12956                                               &prod_id_asic_rev);
12957
12958                 tp->pci_chip_rev_id = prod_id_asic_rev;
12959         }
12960
12961         /* Wrong chip ID in 5752 A0. This code can be removed later
12962          * as A0 is not in production.
12963          */
12964         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12965                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12966
12967         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12968          * we need to disable memory and use config. cycles
12969          * only to access all registers. The 5702/03 chips
12970          * can mistakenly decode the special cycles from the
12971          * ICH chipsets as memory write cycles, causing corruption
12972          * of register and memory space. Only certain ICH bridges
12973          * will drive special cycles with non-zero data during the
12974          * address phase which can fall within the 5703's address
12975          * range. This is not an ICH bug as the PCI spec allows
12976          * non-zero address during special cycles. However, only
12977          * these ICH bridges are known to drive non-zero addresses
12978          * during special cycles.
12979          *
12980          * Since special cycles do not cross PCI bridges, we only
12981          * enable this workaround if the 5703 is on the secondary
12982          * bus of these ICH bridges.
12983          */
12984         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12985             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12986                 static struct tg3_dev_id {
12987                         u32     vendor;
12988                         u32     device;
12989                         u32     rev;
12990                 } ich_chipsets[] = {
12991                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12992                           PCI_ANY_ID },
12993                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12994                           PCI_ANY_ID },
12995                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12996                           0xa },
12997                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12998                           PCI_ANY_ID },
12999                         { },
13000                 };
13001                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
13002                 struct pci_dev *bridge = NULL;
13003
13004                 while (pci_id->vendor != 0) {
13005                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
13006                                                 bridge);
13007                         if (!bridge) {
13008                                 pci_id++;
13009                                 continue;
13010                         }
13011                         if (pci_id->rev != PCI_ANY_ID) {
13012                                 if (bridge->revision > pci_id->rev)
13013                                         continue;
13014                         }
13015                         if (bridge->subordinate &&
13016                             (bridge->subordinate->number ==
13017                              tp->pdev->bus->number)) {
13018
13019                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
13020                                 pci_dev_put(bridge);
13021                                 break;
13022                         }
13023                 }
13024         }
13025
13026         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
13027                 static struct tg3_dev_id {
13028                         u32     vendor;
13029                         u32     device;
13030                 } bridge_chipsets[] = {
13031                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
13032                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
13033                         { },
13034                 };
13035                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
13036                 struct pci_dev *bridge = NULL;
13037
13038                 while (pci_id->vendor != 0) {
13039                         bridge = pci_get_device(pci_id->vendor,
13040                                                 pci_id->device,
13041                                                 bridge);
13042                         if (!bridge) {
13043                                 pci_id++;
13044                                 continue;
13045                         }
13046                         if (bridge->subordinate &&
13047                             (bridge->subordinate->number <=
13048                              tp->pdev->bus->number) &&
13049                             (bridge->subordinate->subordinate >=
13050                              tp->pdev->bus->number)) {
13051                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
13052                                 pci_dev_put(bridge);
13053                                 break;
13054                         }
13055                 }
13056         }
13057
13058         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
13059          * DMA addresses > 40-bit. This bridge may have other additional
13060          * 57xx devices behind it in some 4-port NIC designs for example.
13061          * Any tg3 device found behind the bridge will also need the 40-bit
13062          * DMA workaround.
13063          */
13064         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
13065             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13066                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
13067                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13068                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
13069         }
13070         else {
13071                 struct pci_dev *bridge = NULL;
13072
13073                 do {
13074                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
13075                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
13076                                                 bridge);
13077                         if (bridge && bridge->subordinate &&
13078                             (bridge->subordinate->number <=
13079                              tp->pdev->bus->number) &&
13080                             (bridge->subordinate->subordinate >=
13081                              tp->pdev->bus->number)) {
13082                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13083                                 pci_dev_put(bridge);
13084                                 break;
13085                         }
13086                 } while (bridge);
13087         }
13088
13089         /* Initialize misc host control in PCI block. */
13090         tp->misc_host_ctrl |= (misc_ctrl_reg &
13091                                MISC_HOST_CTRL_CHIPREV);
13092         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13093                                tp->misc_host_ctrl);
13094
13095         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
13096             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
13097             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13098                 tp->pdev_peer = tg3_find_peer(tp);
13099
13100         /* Intentionally exclude ASIC_REV_5906 */
13101         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13102             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13103             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13104             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13105             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13106             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13107             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13108             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13109                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
13110
13111         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13112             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13113             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13114             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13115             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13116                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
13117
13118         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
13119             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
13120                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
13121
13122         /* 5700 B0 chips do not support checksumming correctly due
13123          * to hardware bugs.
13124          */
13125         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
13126                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
13127         else {
13128                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
13129                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
13130                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
13131                         tp->dev->features |= NETIF_F_IPV6_CSUM;
13132         }
13133
13134         /* Determine TSO capabilities */
13135         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13136             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13137                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13138         else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13139                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13140                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13141         else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13142                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13143                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13144                     tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13145                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13146         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13147                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13148                    tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13149                 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13150                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13151                         tp->fw_needed = FIRMWARE_TG3TSO5;
13152                 else
13153                         tp->fw_needed = FIRMWARE_TG3TSO;
13154         }
13155
13156         tp->irq_max = 1;
13157
13158         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13159                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13160                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13161                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13162                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13163                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13164                      tp->pdev_peer == tp->pdev))
13165                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13166
13167                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13168                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13169                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
13170                 }
13171
13172                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13173                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13174                         tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13175                         tp->irq_max = TG3_IRQ_MAX_VECS;
13176                 }
13177         }
13178
13179         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13180             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13181                 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13182         else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13183                 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13184                 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13185         }
13186
13187         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13188             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13189                 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13190
13191         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13192              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13193                  (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13194                 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13195
13196         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13197                               &pci_state_reg);
13198
13199         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13200         if (tp->pcie_cap != 0) {
13201                 u16 lnkctl;
13202
13203                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13204
13205                 pcie_set_readrq(tp->pdev, 4096);
13206
13207                 pci_read_config_word(tp->pdev,
13208                                      tp->pcie_cap + PCI_EXP_LNKCTL,
13209                                      &lnkctl);
13210                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13211                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13212                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13213                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13214                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13215                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13216                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13217                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13218                 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13219                         tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13220                 }
13221         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13222                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13223         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13224                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13225                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13226                 if (!tp->pcix_cap) {
13227                         pr_err("Cannot find PCI-X capability, aborting\n");
13228                         return -EIO;
13229                 }
13230
13231                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13232                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13233         }
13234
13235         /* If we have an AMD 762 or VIA K8T800 chipset, write
13236          * reordering to the mailbox registers done by the host
13237          * controller can cause major troubles.  We read back from
13238          * every mailbox register write to force the writes to be
13239          * posted to the chip in order.
13240          */
13241         if (pci_dev_present(write_reorder_chipsets) &&
13242             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13243                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13244
13245         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13246                              &tp->pci_cacheline_sz);
13247         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13248                              &tp->pci_lat_timer);
13249         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13250             tp->pci_lat_timer < 64) {
13251                 tp->pci_lat_timer = 64;
13252                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13253                                       tp->pci_lat_timer);
13254         }
13255
13256         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13257                 /* 5700 BX chips need to have their TX producer index
13258                  * mailboxes written twice to workaround a bug.
13259                  */
13260                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13261
13262                 /* If we are in PCI-X mode, enable register write workaround.
13263                  *
13264                  * The workaround is to use indirect register accesses
13265                  * for all chip writes not to mailbox registers.
13266                  */
13267                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13268                         u32 pm_reg;
13269
13270                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13271
13272                         /* The chip can have it's power management PCI config
13273                          * space registers clobbered due to this bug.
13274                          * So explicitly force the chip into D0 here.
13275                          */
13276                         pci_read_config_dword(tp->pdev,
13277                                               tp->pm_cap + PCI_PM_CTRL,
13278                                               &pm_reg);
13279                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13280                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13281                         pci_write_config_dword(tp->pdev,
13282                                                tp->pm_cap + PCI_PM_CTRL,
13283                                                pm_reg);
13284
13285                         /* Also, force SERR#/PERR# in PCI command. */
13286                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13287                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13288                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13289                 }
13290         }
13291
13292         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13293                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13294         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13295                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13296
13297         /* Chip-specific fixup from Broadcom driver */
13298         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13299             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13300                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13301                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13302         }
13303
13304         /* Default fast path register access methods */
13305         tp->read32 = tg3_read32;
13306         tp->write32 = tg3_write32;
13307         tp->read32_mbox = tg3_read32;
13308         tp->write32_mbox = tg3_write32;
13309         tp->write32_tx_mbox = tg3_write32;
13310         tp->write32_rx_mbox = tg3_write32;
13311
13312         /* Various workaround register access methods */
13313         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13314                 tp->write32 = tg3_write_indirect_reg32;
13315         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13316                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13317                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13318                 /*
13319                  * Back to back register writes can cause problems on these
13320                  * chips, the workaround is to read back all reg writes
13321                  * except those to mailbox regs.
13322                  *
13323                  * See tg3_write_indirect_reg32().
13324                  */
13325                 tp->write32 = tg3_write_flush_reg32;
13326         }
13327
13328         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13329             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13330                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13331                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13332                         tp->write32_rx_mbox = tg3_write_flush_reg32;
13333         }
13334
13335         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13336                 tp->read32 = tg3_read_indirect_reg32;
13337                 tp->write32 = tg3_write_indirect_reg32;
13338                 tp->read32_mbox = tg3_read_indirect_mbox;
13339                 tp->write32_mbox = tg3_write_indirect_mbox;
13340                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13341                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13342
13343                 iounmap(tp->regs);
13344                 tp->regs = NULL;
13345
13346                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13347                 pci_cmd &= ~PCI_COMMAND_MEMORY;
13348                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13349         }
13350         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13351                 tp->read32_mbox = tg3_read32_mbox_5906;
13352                 tp->write32_mbox = tg3_write32_mbox_5906;
13353                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13354                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13355         }
13356
13357         if (tp->write32 == tg3_write_indirect_reg32 ||
13358             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13359              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13360               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13361                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13362
13363         /* Get eeprom hw config before calling tg3_set_power_state().
13364          * In particular, the TG3_FLG2_IS_NIC flag must be
13365          * determined before calling tg3_set_power_state() so that
13366          * we know whether or not to switch out of Vaux power.
13367          * When the flag is set, it means that GPIO1 is used for eeprom
13368          * write protect and also implies that it is a LOM where GPIOs
13369          * are not used to switch power.
13370          */
13371         tg3_get_eeprom_hw_cfg(tp);
13372
13373         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13374                 /* Allow reads and writes to the
13375                  * APE register and memory space.
13376                  */
13377                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13378                                  PCISTATE_ALLOW_APE_SHMEM_WR;
13379                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13380                                        pci_state_reg);
13381         }
13382
13383         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13384             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13385             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13386             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13387             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13388             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13389                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13390
13391         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13392          * GPIO1 driven high will bring 5700's external PHY out of reset.
13393          * It is also used as eeprom write protect on LOMs.
13394          */
13395         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13396         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13397             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13398                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13399                                        GRC_LCLCTRL_GPIO_OUTPUT1);
13400         /* Unused GPIO3 must be driven as output on 5752 because there
13401          * are no pull-up resistors on unused GPIO pins.
13402          */
13403         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13404                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13405
13406         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13407             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13408             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13409                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13410
13411         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13412             tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13413                 /* Turn off the debug UART. */
13414                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13415                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13416                         /* Keep VMain power. */
13417                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13418                                               GRC_LCLCTRL_GPIO_OUTPUT0;
13419         }
13420
13421         /* Force the chip into D0. */
13422         err = tg3_set_power_state(tp, PCI_D0);
13423         if (err) {
13424                 pr_err("(%s) transition to D0 failed\n", pci_name(tp->pdev));
13425                 return err;
13426         }
13427
13428         /* Derive initial jumbo mode from MTU assigned in
13429          * ether_setup() via the alloc_etherdev() call
13430          */
13431         if (tp->dev->mtu > ETH_DATA_LEN &&
13432             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13433                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13434
13435         /* Determine WakeOnLan speed to use. */
13436         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13437             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13438             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13439             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13440                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13441         } else {
13442                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13443         }
13444
13445         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13446                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13447
13448         /* A few boards don't want Ethernet@WireSpeed phy feature */
13449         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13450             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13451              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13452              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13453             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
13454             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
13455                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13456
13457         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13458             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13459                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13460         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13461                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13462
13463         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13464             !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
13465             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13466             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13467             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
13468             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
13469                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13470                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13471                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13472                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13473                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13474                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13475                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
13476                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13477                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
13478                 } else
13479                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13480         }
13481
13482         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13483             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13484                 tp->phy_otp = tg3_read_otp_phycfg(tp);
13485                 if (tp->phy_otp == 0)
13486                         tp->phy_otp = TG3_OTP_DEFAULT;
13487         }
13488
13489         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13490                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13491         else
13492                 tp->mi_mode = MAC_MI_MODE_BASE;
13493
13494         tp->coalesce_mode = 0;
13495         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13496             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13497                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13498
13499         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13500             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13501                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13502
13503         err = tg3_mdio_init(tp);
13504         if (err)
13505                 return err;
13506
13507         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
13508             (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0 ||
13509                  (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
13510                 return -ENOTSUPP;
13511
13512         /* Initialize data/descriptor byte/word swapping. */
13513         val = tr32(GRC_MODE);
13514         val &= GRC_MODE_HOST_STACKUP;
13515         tw32(GRC_MODE, val | tp->grc_mode);
13516
13517         tg3_switch_clocks(tp);
13518
13519         /* Clear this out for sanity. */
13520         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13521
13522         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13523                               &pci_state_reg);
13524         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13525             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13526                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13527
13528                 if (chiprevid == CHIPREV_ID_5701_A0 ||
13529                     chiprevid == CHIPREV_ID_5701_B0 ||
13530                     chiprevid == CHIPREV_ID_5701_B2 ||
13531                     chiprevid == CHIPREV_ID_5701_B5) {
13532                         void __iomem *sram_base;
13533
13534                         /* Write some dummy words into the SRAM status block
13535                          * area, see if it reads back correctly.  If the return
13536                          * value is bad, force enable the PCIX workaround.
13537                          */
13538                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13539
13540                         writel(0x00000000, sram_base);
13541                         writel(0x00000000, sram_base + 4);
13542                         writel(0xffffffff, sram_base + 4);
13543                         if (readl(sram_base) != 0x00000000)
13544                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13545                 }
13546         }
13547
13548         udelay(50);
13549         tg3_nvram_init(tp);
13550
13551         grc_misc_cfg = tr32(GRC_MISC_CFG);
13552         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13553
13554         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13555             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13556              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13557                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13558
13559         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13560             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13561                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13562         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13563                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13564                                       HOSTCC_MODE_CLRTICK_TXBD);
13565
13566                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13567                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13568                                        tp->misc_host_ctrl);
13569         }
13570
13571         /* Preserve the APE MAC_MODE bits */
13572         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13573                 tp->mac_mode = tr32(MAC_MODE) |
13574                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13575         else
13576                 tp->mac_mode = TG3_DEF_MAC_MODE;
13577
13578         /* these are limited to 10/100 only */
13579         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13580              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13581             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13582              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13583              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13584               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13585               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13586             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13587              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13588               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13589               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13590             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13591             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13592             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
13593             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
13594                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13595
13596         err = tg3_phy_probe(tp);
13597         if (err) {
13598                 pr_err("(%s) phy probe failed, err %d\n",
13599                        pci_name(tp->pdev), err);
13600                 /* ... but do not return immediately ... */
13601                 tg3_mdio_fini(tp);
13602         }
13603
13604         tg3_read_partno(tp);
13605         tg3_read_fw_ver(tp);
13606
13607         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13608                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13609         } else {
13610                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13611                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13612                 else
13613                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13614         }
13615
13616         /* 5700 {AX,BX} chips have a broken status block link
13617          * change bit implementation, so we must use the
13618          * status register in those cases.
13619          */
13620         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13621                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13622         else
13623                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13624
13625         /* The led_ctrl is set during tg3_phy_probe, here we might
13626          * have to force the link status polling mechanism based
13627          * upon subsystem IDs.
13628          */
13629         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13630             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13631             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13632                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13633                                   TG3_FLAG_USE_LINKCHG_REG);
13634         }
13635
13636         /* For all SERDES we poll the MAC status register. */
13637         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13638                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13639         else
13640                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13641
13642         tp->rx_offset = NET_IP_ALIGN;
13643         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13644             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13645                 tp->rx_offset = 0;
13646
13647         tp->rx_std_max_post = TG3_RX_RING_SIZE;
13648
13649         /* Increment the rx prod index on the rx std ring by at most
13650          * 8 for these chips to workaround hw errata.
13651          */
13652         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13653             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13654             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13655                 tp->rx_std_max_post = 8;
13656
13657         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13658                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13659                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
13660
13661         return err;
13662 }
13663
13664 #ifdef CONFIG_SPARC
13665 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13666 {
13667         struct net_device *dev = tp->dev;
13668         struct pci_dev *pdev = tp->pdev;
13669         struct device_node *dp = pci_device_to_OF_node(pdev);
13670         const unsigned char *addr;
13671         int len;
13672
13673         addr = of_get_property(dp, "local-mac-address", &len);
13674         if (addr && len == 6) {
13675                 memcpy(dev->dev_addr, addr, 6);
13676                 memcpy(dev->perm_addr, dev->dev_addr, 6);
13677                 return 0;
13678         }
13679         return -ENODEV;
13680 }
13681
13682 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13683 {
13684         struct net_device *dev = tp->dev;
13685
13686         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13687         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13688         return 0;
13689 }
13690 #endif
13691
13692 static int __devinit tg3_get_device_address(struct tg3 *tp)
13693 {
13694         struct net_device *dev = tp->dev;
13695         u32 hi, lo, mac_offset;
13696         int addr_ok = 0;
13697
13698 #ifdef CONFIG_SPARC
13699         if (!tg3_get_macaddr_sparc(tp))
13700                 return 0;
13701 #endif
13702
13703         mac_offset = 0x7c;
13704         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13705             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13706                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13707                         mac_offset = 0xcc;
13708                 if (tg3_nvram_lock(tp))
13709                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13710                 else
13711                         tg3_nvram_unlock(tp);
13712         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13713                 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13714                         mac_offset = 0xcc;
13715         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13716                 mac_offset = 0x10;
13717
13718         /* First try to get it from MAC address mailbox. */
13719         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13720         if ((hi >> 16) == 0x484b) {
13721                 dev->dev_addr[0] = (hi >>  8) & 0xff;
13722                 dev->dev_addr[1] = (hi >>  0) & 0xff;
13723
13724                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13725                 dev->dev_addr[2] = (lo >> 24) & 0xff;
13726                 dev->dev_addr[3] = (lo >> 16) & 0xff;
13727                 dev->dev_addr[4] = (lo >>  8) & 0xff;
13728                 dev->dev_addr[5] = (lo >>  0) & 0xff;
13729
13730                 /* Some old bootcode may report a 0 MAC address in SRAM */
13731                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13732         }
13733         if (!addr_ok) {
13734                 /* Next, try NVRAM. */
13735                 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13736                     !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13737                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13738                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13739                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13740                 }
13741                 /* Finally just fetch it out of the MAC control regs. */
13742                 else {
13743                         hi = tr32(MAC_ADDR_0_HIGH);
13744                         lo = tr32(MAC_ADDR_0_LOW);
13745
13746                         dev->dev_addr[5] = lo & 0xff;
13747                         dev->dev_addr[4] = (lo >> 8) & 0xff;
13748                         dev->dev_addr[3] = (lo >> 16) & 0xff;
13749                         dev->dev_addr[2] = (lo >> 24) & 0xff;
13750                         dev->dev_addr[1] = hi & 0xff;
13751                         dev->dev_addr[0] = (hi >> 8) & 0xff;
13752                 }
13753         }
13754
13755         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13756 #ifdef CONFIG_SPARC
13757                 if (!tg3_get_default_macaddr_sparc(tp))
13758                         return 0;
13759 #endif
13760                 return -EINVAL;
13761         }
13762         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13763         return 0;
13764 }
13765
13766 #define BOUNDARY_SINGLE_CACHELINE       1
13767 #define BOUNDARY_MULTI_CACHELINE        2
13768
13769 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13770 {
13771         int cacheline_size;
13772         u8 byte;
13773         int goal;
13774
13775         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13776         if (byte == 0)
13777                 cacheline_size = 1024;
13778         else
13779                 cacheline_size = (int) byte * 4;
13780
13781         /* On 5703 and later chips, the boundary bits have no
13782          * effect.
13783          */
13784         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13785             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13786             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13787                 goto out;
13788
13789 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13790         goal = BOUNDARY_MULTI_CACHELINE;
13791 #else
13792 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13793         goal = BOUNDARY_SINGLE_CACHELINE;
13794 #else
13795         goal = 0;
13796 #endif
13797 #endif
13798
13799         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13800             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13801                 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13802                 goto out;
13803         }
13804
13805         if (!goal)
13806                 goto out;
13807
13808         /* PCI controllers on most RISC systems tend to disconnect
13809          * when a device tries to burst across a cache-line boundary.
13810          * Therefore, letting tg3 do so just wastes PCI bandwidth.
13811          *
13812          * Unfortunately, for PCI-E there are only limited
13813          * write-side controls for this, and thus for reads
13814          * we will still get the disconnects.  We'll also waste
13815          * these PCI cycles for both read and write for chips
13816          * other than 5700 and 5701 which do not implement the
13817          * boundary bits.
13818          */
13819         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13820             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13821                 switch (cacheline_size) {
13822                 case 16:
13823                 case 32:
13824                 case 64:
13825                 case 128:
13826                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13827                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13828                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13829                         } else {
13830                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13831                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13832                         }
13833                         break;
13834
13835                 case 256:
13836                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13837                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13838                         break;
13839
13840                 default:
13841                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13842                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13843                         break;
13844                 }
13845         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13846                 switch (cacheline_size) {
13847                 case 16:
13848                 case 32:
13849                 case 64:
13850                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13851                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13852                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13853                                 break;
13854                         }
13855                         /* fallthrough */
13856                 case 128:
13857                 default:
13858                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13859                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13860                         break;
13861                 }
13862         } else {
13863                 switch (cacheline_size) {
13864                 case 16:
13865                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13866                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13867                                         DMA_RWCTRL_WRITE_BNDRY_16);
13868                                 break;
13869                         }
13870                         /* fallthrough */
13871                 case 32:
13872                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13873                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13874                                         DMA_RWCTRL_WRITE_BNDRY_32);
13875                                 break;
13876                         }
13877                         /* fallthrough */
13878                 case 64:
13879                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13880                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13881                                         DMA_RWCTRL_WRITE_BNDRY_64);
13882                                 break;
13883                         }
13884                         /* fallthrough */
13885                 case 128:
13886                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13887                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13888                                         DMA_RWCTRL_WRITE_BNDRY_128);
13889                                 break;
13890                         }
13891                         /* fallthrough */
13892                 case 256:
13893                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
13894                                 DMA_RWCTRL_WRITE_BNDRY_256);
13895                         break;
13896                 case 512:
13897                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
13898                                 DMA_RWCTRL_WRITE_BNDRY_512);
13899                         break;
13900                 case 1024:
13901                 default:
13902                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13903                                 DMA_RWCTRL_WRITE_BNDRY_1024);
13904                         break;
13905                 }
13906         }
13907
13908 out:
13909         return val;
13910 }
13911
13912 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13913 {
13914         struct tg3_internal_buffer_desc test_desc;
13915         u32 sram_dma_descs;
13916         int i, ret;
13917
13918         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13919
13920         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13921         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13922         tw32(RDMAC_STATUS, 0);
13923         tw32(WDMAC_STATUS, 0);
13924
13925         tw32(BUFMGR_MODE, 0);
13926         tw32(FTQ_RESET, 0);
13927
13928         test_desc.addr_hi = ((u64) buf_dma) >> 32;
13929         test_desc.addr_lo = buf_dma & 0xffffffff;
13930         test_desc.nic_mbuf = 0x00002100;
13931         test_desc.len = size;
13932
13933         /*
13934          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13935          * the *second* time the tg3 driver was getting loaded after an
13936          * initial scan.
13937          *
13938          * Broadcom tells me:
13939          *   ...the DMA engine is connected to the GRC block and a DMA
13940          *   reset may affect the GRC block in some unpredictable way...
13941          *   The behavior of resets to individual blocks has not been tested.
13942          *
13943          * Broadcom noted the GRC reset will also reset all sub-components.
13944          */
13945         if (to_device) {
13946                 test_desc.cqid_sqid = (13 << 8) | 2;
13947
13948                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13949                 udelay(40);
13950         } else {
13951                 test_desc.cqid_sqid = (16 << 8) | 7;
13952
13953                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13954                 udelay(40);
13955         }
13956         test_desc.flags = 0x00000005;
13957
13958         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13959                 u32 val;
13960
13961                 val = *(((u32 *)&test_desc) + i);
13962                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13963                                        sram_dma_descs + (i * sizeof(u32)));
13964                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13965         }
13966         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13967
13968         if (to_device) {
13969                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13970         } else {
13971                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13972         }
13973
13974         ret = -ENODEV;
13975         for (i = 0; i < 40; i++) {
13976                 u32 val;
13977
13978                 if (to_device)
13979                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13980                 else
13981                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13982                 if ((val & 0xffff) == sram_dma_descs) {
13983                         ret = 0;
13984                         break;
13985                 }
13986
13987                 udelay(100);
13988         }
13989
13990         return ret;
13991 }
13992
13993 #define TEST_BUFFER_SIZE        0x2000
13994
13995 static int __devinit tg3_test_dma(struct tg3 *tp)
13996 {
13997         dma_addr_t buf_dma;
13998         u32 *buf, saved_dma_rwctrl;
13999         int ret = 0;
14000
14001         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
14002         if (!buf) {
14003                 ret = -ENOMEM;
14004                 goto out_nofree;
14005         }
14006
14007         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
14008                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
14009
14010         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
14011
14012         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14013             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
14014                 goto out;
14015
14016         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14017                 /* DMA read watermark not used on PCIE */
14018                 tp->dma_rwctrl |= 0x00180000;
14019         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
14020                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
14021                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
14022                         tp->dma_rwctrl |= 0x003f0000;
14023                 else
14024                         tp->dma_rwctrl |= 0x003f000f;
14025         } else {
14026                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14027                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
14028                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
14029                         u32 read_water = 0x7;
14030
14031                         /* If the 5704 is behind the EPB bridge, we can
14032                          * do the less restrictive ONE_DMA workaround for
14033                          * better performance.
14034                          */
14035                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
14036                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14037                                 tp->dma_rwctrl |= 0x8000;
14038                         else if (ccval == 0x6 || ccval == 0x7)
14039                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
14040
14041                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
14042                                 read_water = 4;
14043                         /* Set bit 23 to enable PCIX hw bug fix */
14044                         tp->dma_rwctrl |=
14045                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
14046                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
14047                                 (1 << 23);
14048                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
14049                         /* 5780 always in PCIX mode */
14050                         tp->dma_rwctrl |= 0x00144000;
14051                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
14052                         /* 5714 always in PCIX mode */
14053                         tp->dma_rwctrl |= 0x00148000;
14054                 } else {
14055                         tp->dma_rwctrl |= 0x001b000f;
14056                 }
14057         }
14058
14059         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14060             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14061                 tp->dma_rwctrl &= 0xfffffff0;
14062
14063         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
14064             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
14065                 /* Remove this if it causes problems for some boards. */
14066                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
14067
14068                 /* On 5700/5701 chips, we need to set this bit.
14069                  * Otherwise the chip will issue cacheline transactions
14070                  * to streamable DMA memory with not all the byte
14071                  * enables turned on.  This is an error on several
14072                  * RISC PCI controllers, in particular sparc64.
14073                  *
14074                  * On 5703/5704 chips, this bit has been reassigned
14075                  * a different meaning.  In particular, it is used
14076                  * on those chips to enable a PCI-X workaround.
14077                  */
14078                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
14079         }
14080
14081         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14082
14083 #if 0
14084         /* Unneeded, already done by tg3_get_invariants.  */
14085         tg3_switch_clocks(tp);
14086 #endif
14087
14088         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
14089             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
14090                 goto out;
14091
14092         /* It is best to perform DMA test with maximum write burst size
14093          * to expose the 5700/5701 write DMA bug.
14094          */
14095         saved_dma_rwctrl = tp->dma_rwctrl;
14096         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14097         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14098
14099         while (1) {
14100                 u32 *p = buf, i;
14101
14102                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
14103                         p[i] = i;
14104
14105                 /* Send the buffer to the chip. */
14106                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
14107                 if (ret) {
14108                         pr_err("tg3_test_dma() Write the buffer failed %d\n",
14109                                ret);
14110                         break;
14111                 }
14112
14113 #if 0
14114                 /* validate data reached card RAM correctly. */
14115                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14116                         u32 val;
14117                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
14118                         if (le32_to_cpu(val) != p[i]) {
14119                                 pr_err("  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n",
14120                                        val, i);
14121                                 /* ret = -ENODEV here? */
14122                         }
14123                         p[i] = 0;
14124                 }
14125 #endif
14126                 /* Now read it back. */
14127                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
14128                 if (ret) {
14129                         pr_err("tg3_test_dma() Read the buffer failed %d\n",
14130                                ret);
14131
14132                         break;
14133                 }
14134
14135                 /* Verify it. */
14136                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14137                         if (p[i] == i)
14138                                 continue;
14139
14140                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14141                             DMA_RWCTRL_WRITE_BNDRY_16) {
14142                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14143                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14144                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14145                                 break;
14146                         } else {
14147                                 pr_err("tg3_test_dma() buffer corrupted on read back! (%d != %d)\n",
14148                                        p[i], i);
14149                                 ret = -ENODEV;
14150                                 goto out;
14151                         }
14152                 }
14153
14154                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14155                         /* Success. */
14156                         ret = 0;
14157                         break;
14158                 }
14159         }
14160         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14161             DMA_RWCTRL_WRITE_BNDRY_16) {
14162                 static struct pci_device_id dma_wait_state_chipsets[] = {
14163                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14164                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14165                         { },
14166                 };
14167
14168                 /* DMA test passed without adjusting DMA boundary,
14169                  * now look for chipsets that are known to expose the
14170                  * DMA bug without failing the test.
14171                  */
14172                 if (pci_dev_present(dma_wait_state_chipsets)) {
14173                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14174                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14175                 }
14176                 else
14177                         /* Safe to use the calculated DMA boundary. */
14178                         tp->dma_rwctrl = saved_dma_rwctrl;
14179
14180                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14181         }
14182
14183 out:
14184         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14185 out_nofree:
14186         return ret;
14187 }
14188
14189 static void __devinit tg3_init_link_config(struct tg3 *tp)
14190 {
14191         tp->link_config.advertising =
14192                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14193                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14194                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14195                  ADVERTISED_Autoneg | ADVERTISED_MII);
14196         tp->link_config.speed = SPEED_INVALID;
14197         tp->link_config.duplex = DUPLEX_INVALID;
14198         tp->link_config.autoneg = AUTONEG_ENABLE;
14199         tp->link_config.active_speed = SPEED_INVALID;
14200         tp->link_config.active_duplex = DUPLEX_INVALID;
14201         tp->link_config.phy_is_low_power = 0;
14202         tp->link_config.orig_speed = SPEED_INVALID;
14203         tp->link_config.orig_duplex = DUPLEX_INVALID;
14204         tp->link_config.orig_autoneg = AUTONEG_INVALID;
14205 }
14206
14207 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14208 {
14209         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14210             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
14211                 tp->bufmgr_config.mbuf_read_dma_low_water =
14212                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14213                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14214                         DEFAULT_MB_MACRX_LOW_WATER_57765;
14215                 tp->bufmgr_config.mbuf_high_water =
14216                         DEFAULT_MB_HIGH_WATER_57765;
14217
14218                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14219                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14220                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14221                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14222                 tp->bufmgr_config.mbuf_high_water_jumbo =
14223                         DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14224         } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14225                 tp->bufmgr_config.mbuf_read_dma_low_water =
14226                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14227                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14228                         DEFAULT_MB_MACRX_LOW_WATER_5705;
14229                 tp->bufmgr_config.mbuf_high_water =
14230                         DEFAULT_MB_HIGH_WATER_5705;
14231                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14232                         tp->bufmgr_config.mbuf_mac_rx_low_water =
14233                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
14234                         tp->bufmgr_config.mbuf_high_water =
14235                                 DEFAULT_MB_HIGH_WATER_5906;
14236                 }
14237
14238                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14239                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14240                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14241                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14242                 tp->bufmgr_config.mbuf_high_water_jumbo =
14243                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14244         } else {
14245                 tp->bufmgr_config.mbuf_read_dma_low_water =
14246                         DEFAULT_MB_RDMA_LOW_WATER;
14247                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14248                         DEFAULT_MB_MACRX_LOW_WATER;
14249                 tp->bufmgr_config.mbuf_high_water =
14250                         DEFAULT_MB_HIGH_WATER;
14251
14252                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14253                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14254                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14255                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14256                 tp->bufmgr_config.mbuf_high_water_jumbo =
14257                         DEFAULT_MB_HIGH_WATER_JUMBO;
14258         }
14259
14260         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14261         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14262 }
14263
14264 static char * __devinit tg3_phy_string(struct tg3 *tp)
14265 {
14266         switch (tp->phy_id & TG3_PHY_ID_MASK) {
14267         case TG3_PHY_ID_BCM5400:        return "5400";
14268         case TG3_PHY_ID_BCM5401:        return "5401";
14269         case TG3_PHY_ID_BCM5411:        return "5411";
14270         case TG3_PHY_ID_BCM5701:        return "5701";
14271         case TG3_PHY_ID_BCM5703:        return "5703";
14272         case TG3_PHY_ID_BCM5704:        return "5704";
14273         case TG3_PHY_ID_BCM5705:        return "5705";
14274         case TG3_PHY_ID_BCM5750:        return "5750";
14275         case TG3_PHY_ID_BCM5752:        return "5752";
14276         case TG3_PHY_ID_BCM5714:        return "5714";
14277         case TG3_PHY_ID_BCM5780:        return "5780";
14278         case TG3_PHY_ID_BCM5755:        return "5755";
14279         case TG3_PHY_ID_BCM5787:        return "5787";
14280         case TG3_PHY_ID_BCM5784:        return "5784";
14281         case TG3_PHY_ID_BCM5756:        return "5722/5756";
14282         case TG3_PHY_ID_BCM5906:        return "5906";
14283         case TG3_PHY_ID_BCM5761:        return "5761";
14284         case TG3_PHY_ID_BCM5718C:       return "5718C";
14285         case TG3_PHY_ID_BCM5718S:       return "5718S";
14286         case TG3_PHY_ID_BCM57765:       return "57765";
14287         case TG3_PHY_ID_BCM8002:        return "8002/serdes";
14288         case 0:                 return "serdes";
14289         default:                return "unknown";
14290         }
14291 }
14292
14293 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14294 {
14295         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14296                 strcpy(str, "PCI Express");
14297                 return str;
14298         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14299                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14300
14301                 strcpy(str, "PCIX:");
14302
14303                 if ((clock_ctrl == 7) ||
14304                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14305                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14306                         strcat(str, "133MHz");
14307                 else if (clock_ctrl == 0)
14308                         strcat(str, "33MHz");
14309                 else if (clock_ctrl == 2)
14310                         strcat(str, "50MHz");
14311                 else if (clock_ctrl == 4)
14312                         strcat(str, "66MHz");
14313                 else if (clock_ctrl == 6)
14314                         strcat(str, "100MHz");
14315         } else {
14316                 strcpy(str, "PCI:");
14317                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14318                         strcat(str, "66MHz");
14319                 else
14320                         strcat(str, "33MHz");
14321         }
14322         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14323                 strcat(str, ":32-bit");
14324         else
14325                 strcat(str, ":64-bit");
14326         return str;
14327 }
14328
14329 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14330 {
14331         struct pci_dev *peer;
14332         unsigned int func, devnr = tp->pdev->devfn & ~7;
14333
14334         for (func = 0; func < 8; func++) {
14335                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14336                 if (peer && peer != tp->pdev)
14337                         break;
14338                 pci_dev_put(peer);
14339         }
14340         /* 5704 can be configured in single-port mode, set peer to
14341          * tp->pdev in that case.
14342          */
14343         if (!peer) {
14344                 peer = tp->pdev;
14345                 return peer;
14346         }
14347
14348         /*
14349          * We don't need to keep the refcount elevated; there's no way
14350          * to remove one half of this device without removing the other
14351          */
14352         pci_dev_put(peer);
14353
14354         return peer;
14355 }
14356
14357 static void __devinit tg3_init_coal(struct tg3 *tp)
14358 {
14359         struct ethtool_coalesce *ec = &tp->coal;
14360
14361         memset(ec, 0, sizeof(*ec));
14362         ec->cmd = ETHTOOL_GCOALESCE;
14363         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14364         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14365         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14366         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14367         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14368         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14369         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14370         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14371         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14372
14373         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14374                                  HOSTCC_MODE_CLRTICK_TXBD)) {
14375                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14376                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14377                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14378                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14379         }
14380
14381         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14382                 ec->rx_coalesce_usecs_irq = 0;
14383                 ec->tx_coalesce_usecs_irq = 0;
14384                 ec->stats_block_coalesce_usecs = 0;
14385         }
14386 }
14387
14388 static const struct net_device_ops tg3_netdev_ops = {
14389         .ndo_open               = tg3_open,
14390         .ndo_stop               = tg3_close,
14391         .ndo_start_xmit         = tg3_start_xmit,
14392         .ndo_get_stats          = tg3_get_stats,
14393         .ndo_validate_addr      = eth_validate_addr,
14394         .ndo_set_multicast_list = tg3_set_rx_mode,
14395         .ndo_set_mac_address    = tg3_set_mac_addr,
14396         .ndo_do_ioctl           = tg3_ioctl,
14397         .ndo_tx_timeout         = tg3_tx_timeout,
14398         .ndo_change_mtu         = tg3_change_mtu,
14399 #if TG3_VLAN_TAG_USED
14400         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14401 #endif
14402 #ifdef CONFIG_NET_POLL_CONTROLLER
14403         .ndo_poll_controller    = tg3_poll_controller,
14404 #endif
14405 };
14406
14407 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14408         .ndo_open               = tg3_open,
14409         .ndo_stop               = tg3_close,
14410         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
14411         .ndo_get_stats          = tg3_get_stats,
14412         .ndo_validate_addr      = eth_validate_addr,
14413         .ndo_set_multicast_list = tg3_set_rx_mode,
14414         .ndo_set_mac_address    = tg3_set_mac_addr,
14415         .ndo_do_ioctl           = tg3_ioctl,
14416         .ndo_tx_timeout         = tg3_tx_timeout,
14417         .ndo_change_mtu         = tg3_change_mtu,
14418 #if TG3_VLAN_TAG_USED
14419         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14420 #endif
14421 #ifdef CONFIG_NET_POLL_CONTROLLER
14422         .ndo_poll_controller    = tg3_poll_controller,
14423 #endif
14424 };
14425
14426 static int __devinit tg3_init_one(struct pci_dev *pdev,
14427                                   const struct pci_device_id *ent)
14428 {
14429         struct net_device *dev;
14430         struct tg3 *tp;
14431         int i, err, pm_cap;
14432         u32 sndmbx, rcvmbx, intmbx;
14433         char str[40];
14434         u64 dma_mask, persist_dma_mask;
14435
14436         printk_once(KERN_INFO "%s\n", version);
14437
14438         err = pci_enable_device(pdev);
14439         if (err) {
14440                 pr_err("Cannot enable PCI device, aborting\n");
14441                 return err;
14442         }
14443
14444         err = pci_request_regions(pdev, DRV_MODULE_NAME);
14445         if (err) {
14446                 pr_err("Cannot obtain PCI resources, aborting\n");
14447                 goto err_out_disable_pdev;
14448         }
14449
14450         pci_set_master(pdev);
14451
14452         /* Find power-management capability. */
14453         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14454         if (pm_cap == 0) {
14455                 pr_err("Cannot find PowerManagement capability, aborting\n");
14456                 err = -EIO;
14457                 goto err_out_free_res;
14458         }
14459
14460         dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14461         if (!dev) {
14462                 pr_err("Etherdev alloc failed, aborting\n");
14463                 err = -ENOMEM;
14464                 goto err_out_free_res;
14465         }
14466
14467         SET_NETDEV_DEV(dev, &pdev->dev);
14468
14469 #if TG3_VLAN_TAG_USED
14470         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14471 #endif
14472
14473         tp = netdev_priv(dev);
14474         tp->pdev = pdev;
14475         tp->dev = dev;
14476         tp->pm_cap = pm_cap;
14477         tp->rx_mode = TG3_DEF_RX_MODE;
14478         tp->tx_mode = TG3_DEF_TX_MODE;
14479
14480         if (tg3_debug > 0)
14481                 tp->msg_enable = tg3_debug;
14482         else
14483                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14484
14485         /* The word/byte swap controls here control register access byte
14486          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
14487          * setting below.
14488          */
14489         tp->misc_host_ctrl =
14490                 MISC_HOST_CTRL_MASK_PCI_INT |
14491                 MISC_HOST_CTRL_WORD_SWAP |
14492                 MISC_HOST_CTRL_INDIR_ACCESS |
14493                 MISC_HOST_CTRL_PCISTATE_RW;
14494
14495         /* The NONFRM (non-frame) byte/word swap controls take effect
14496          * on descriptor entries, anything which isn't packet data.
14497          *
14498          * The StrongARM chips on the board (one for tx, one for rx)
14499          * are running in big-endian mode.
14500          */
14501         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14502                         GRC_MODE_WSWAP_NONFRM_DATA);
14503 #ifdef __BIG_ENDIAN
14504         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14505 #endif
14506         spin_lock_init(&tp->lock);
14507         spin_lock_init(&tp->indirect_lock);
14508         INIT_WORK(&tp->reset_task, tg3_reset_task);
14509
14510         tp->regs = pci_ioremap_bar(pdev, BAR_0);
14511         if (!tp->regs) {
14512                 netdev_err(dev, "Cannot map device registers, aborting\n");
14513                 err = -ENOMEM;
14514                 goto err_out_free_dev;
14515         }
14516
14517         tg3_init_link_config(tp);
14518
14519         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14520         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14521
14522         dev->ethtool_ops = &tg3_ethtool_ops;
14523         dev->watchdog_timeo = TG3_TX_TIMEOUT;
14524         dev->irq = pdev->irq;
14525
14526         err = tg3_get_invariants(tp);
14527         if (err) {
14528                 netdev_err(dev, "Problem fetching invariants of chip, aborting\n");
14529                 goto err_out_iounmap;
14530         }
14531
14532         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14533             tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
14534                 dev->netdev_ops = &tg3_netdev_ops;
14535         else
14536                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14537
14538
14539         /* The EPB bridge inside 5714, 5715, and 5780 and any
14540          * device behind the EPB cannot support DMA addresses > 40-bit.
14541          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14542          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14543          * do DMA address check in tg3_start_xmit().
14544          */
14545         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14546                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14547         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14548                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14549 #ifdef CONFIG_HIGHMEM
14550                 dma_mask = DMA_BIT_MASK(64);
14551 #endif
14552         } else
14553                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14554
14555         /* Configure DMA attributes. */
14556         if (dma_mask > DMA_BIT_MASK(32)) {
14557                 err = pci_set_dma_mask(pdev, dma_mask);
14558                 if (!err) {
14559                         dev->features |= NETIF_F_HIGHDMA;
14560                         err = pci_set_consistent_dma_mask(pdev,
14561                                                           persist_dma_mask);
14562                         if (err < 0) {
14563                                 netdev_err(dev, "Unable to obtain 64 bit DMA for consistent allocations\n");
14564                                 goto err_out_iounmap;
14565                         }
14566                 }
14567         }
14568         if (err || dma_mask == DMA_BIT_MASK(32)) {
14569                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14570                 if (err) {
14571                         netdev_err(dev, "No usable DMA configuration, aborting\n");
14572                         goto err_out_iounmap;
14573                 }
14574         }
14575
14576         tg3_init_bufmgr_config(tp);
14577
14578         /* Selectively allow TSO based on operating conditions */
14579         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14580             (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14581                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14582         else {
14583                 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14584                 tp->fw_needed = NULL;
14585         }
14586
14587         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14588                 tp->fw_needed = FIRMWARE_TG3;
14589
14590         /* TSO is on by default on chips that support hardware TSO.
14591          * Firmware TSO on older chips gives lower performance, so it
14592          * is off by default, but can be enabled using ethtool.
14593          */
14594         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14595             (dev->features & NETIF_F_IP_CSUM))
14596                 dev->features |= NETIF_F_TSO;
14597
14598         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14599             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14600                 if (dev->features & NETIF_F_IPV6_CSUM)
14601                         dev->features |= NETIF_F_TSO6;
14602                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14603                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14604                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14605                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14606                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14607                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
14608                         dev->features |= NETIF_F_TSO_ECN;
14609         }
14610
14611         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14612             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14613             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14614                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14615                 tp->rx_pending = 63;
14616         }
14617
14618         err = tg3_get_device_address(tp);
14619         if (err) {
14620                 netdev_err(dev, "Could not obtain valid ethernet address, aborting\n");
14621                 goto err_out_iounmap;
14622         }
14623
14624         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14625                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14626                 if (!tp->aperegs) {
14627                         netdev_err(dev, "Cannot map APE registers, aborting\n");
14628                         err = -ENOMEM;
14629                         goto err_out_iounmap;
14630                 }
14631
14632                 tg3_ape_lock_init(tp);
14633
14634                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14635                         tg3_read_dash_ver(tp);
14636         }
14637
14638         /*
14639          * Reset chip in case UNDI or EFI driver did not shutdown
14640          * DMA self test will enable WDMAC and we'll see (spurious)
14641          * pending DMA on the PCI bus at that point.
14642          */
14643         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14644             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14645                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14646                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14647         }
14648
14649         err = tg3_test_dma(tp);
14650         if (err) {
14651                 netdev_err(dev, "DMA engine test failed, aborting\n");
14652                 goto err_out_apeunmap;
14653         }
14654
14655         /* flow control autonegotiation is default behavior */
14656         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14657         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14658
14659         intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14660         rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14661         sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14662         for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14663                 struct tg3_napi *tnapi = &tp->napi[i];
14664
14665                 tnapi->tp = tp;
14666                 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14667
14668                 tnapi->int_mbox = intmbx;
14669                 if (i < 4)
14670                         intmbx += 0x8;
14671                 else
14672                         intmbx += 0x4;
14673
14674                 tnapi->consmbox = rcvmbx;
14675                 tnapi->prodmbox = sndmbx;
14676
14677                 if (i) {
14678                         tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14679                         netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14680                 } else {
14681                         tnapi->coal_now = HOSTCC_MODE_NOW;
14682                         netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14683                 }
14684
14685                 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14686                         break;
14687
14688                 /*
14689                  * If we support MSIX, we'll be using RSS.  If we're using
14690                  * RSS, the first vector only handles link interrupts and the
14691                  * remaining vectors handle rx and tx interrupts.  Reuse the
14692                  * mailbox values for the next iteration.  The values we setup
14693                  * above are still useful for the single vectored mode.
14694                  */
14695                 if (!i)
14696                         continue;
14697
14698                 rcvmbx += 0x8;
14699
14700                 if (sndmbx & 0x4)
14701                         sndmbx -= 0x4;
14702                 else
14703                         sndmbx += 0xc;
14704         }
14705
14706         tg3_init_coal(tp);
14707
14708         pci_set_drvdata(pdev, dev);
14709
14710         err = register_netdev(dev);
14711         if (err) {
14712                 netdev_err(dev, "Cannot register net device, aborting\n");
14713                 goto err_out_apeunmap;
14714         }
14715
14716         netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14717                     tp->board_part_number,
14718                     tp->pci_chip_rev_id,
14719                     tg3_bus_string(tp, str),
14720                     dev->dev_addr);
14721
14722         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14723                 struct phy_device *phydev;
14724                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14725                 netdev_info(dev, "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14726                             phydev->drv->name, dev_name(&phydev->dev));
14727         } else
14728                 netdev_info(dev, "attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14729                             tg3_phy_string(tp),
14730                             ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14731                              ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14732                               "10/100/1000Base-T")),
14733                             (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14734
14735         netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14736                     (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14737                     (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14738                     (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14739                     (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14740                     (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14741         netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14742                     tp->dma_rwctrl,
14743                     pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
14744                     ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
14745
14746         return 0;
14747
14748 err_out_apeunmap:
14749         if (tp->aperegs) {
14750                 iounmap(tp->aperegs);
14751                 tp->aperegs = NULL;
14752         }
14753
14754 err_out_iounmap:
14755         if (tp->regs) {
14756                 iounmap(tp->regs);
14757                 tp->regs = NULL;
14758         }
14759
14760 err_out_free_dev:
14761         free_netdev(dev);
14762
14763 err_out_free_res:
14764         pci_release_regions(pdev);
14765
14766 err_out_disable_pdev:
14767         pci_disable_device(pdev);
14768         pci_set_drvdata(pdev, NULL);
14769         return err;
14770 }
14771
14772 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14773 {
14774         struct net_device *dev = pci_get_drvdata(pdev);
14775
14776         if (dev) {
14777                 struct tg3 *tp = netdev_priv(dev);
14778
14779                 if (tp->fw)
14780                         release_firmware(tp->fw);
14781
14782                 flush_scheduled_work();
14783
14784                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14785                         tg3_phy_fini(tp);
14786                         tg3_mdio_fini(tp);
14787                 }
14788
14789                 unregister_netdev(dev);
14790                 if (tp->aperegs) {
14791                         iounmap(tp->aperegs);
14792                         tp->aperegs = NULL;
14793                 }
14794                 if (tp->regs) {
14795                         iounmap(tp->regs);
14796                         tp->regs = NULL;
14797                 }
14798                 free_netdev(dev);
14799                 pci_release_regions(pdev);
14800                 pci_disable_device(pdev);
14801                 pci_set_drvdata(pdev, NULL);
14802         }
14803 }
14804
14805 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14806 {
14807         struct net_device *dev = pci_get_drvdata(pdev);
14808         struct tg3 *tp = netdev_priv(dev);
14809         pci_power_t target_state;
14810         int err;
14811
14812         /* PCI register 4 needs to be saved whether netif_running() or not.
14813          * MSI address and data need to be saved if using MSI and
14814          * netif_running().
14815          */
14816         pci_save_state(pdev);
14817
14818         if (!netif_running(dev))
14819                 return 0;
14820
14821         flush_scheduled_work();
14822         tg3_phy_stop(tp);
14823         tg3_netif_stop(tp);
14824
14825         del_timer_sync(&tp->timer);
14826
14827         tg3_full_lock(tp, 1);
14828         tg3_disable_ints(tp);
14829         tg3_full_unlock(tp);
14830
14831         netif_device_detach(dev);
14832
14833         tg3_full_lock(tp, 0);
14834         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14835         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14836         tg3_full_unlock(tp);
14837
14838         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14839
14840         err = tg3_set_power_state(tp, target_state);
14841         if (err) {
14842                 int err2;
14843
14844                 tg3_full_lock(tp, 0);
14845
14846                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14847                 err2 = tg3_restart_hw(tp, 1);
14848                 if (err2)
14849                         goto out;
14850
14851                 tp->timer.expires = jiffies + tp->timer_offset;
14852                 add_timer(&tp->timer);
14853
14854                 netif_device_attach(dev);
14855                 tg3_netif_start(tp);
14856
14857 out:
14858                 tg3_full_unlock(tp);
14859
14860                 if (!err2)
14861                         tg3_phy_start(tp);
14862         }
14863
14864         return err;
14865 }
14866
14867 static int tg3_resume(struct pci_dev *pdev)
14868 {
14869         struct net_device *dev = pci_get_drvdata(pdev);
14870         struct tg3 *tp = netdev_priv(dev);
14871         int err;
14872
14873         pci_restore_state(tp->pdev);
14874
14875         if (!netif_running(dev))
14876                 return 0;
14877
14878         err = tg3_set_power_state(tp, PCI_D0);
14879         if (err)
14880                 return err;
14881
14882         netif_device_attach(dev);
14883
14884         tg3_full_lock(tp, 0);
14885
14886         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14887         err = tg3_restart_hw(tp, 1);
14888         if (err)
14889                 goto out;
14890
14891         tp->timer.expires = jiffies + tp->timer_offset;
14892         add_timer(&tp->timer);
14893
14894         tg3_netif_start(tp);
14895
14896 out:
14897         tg3_full_unlock(tp);
14898
14899         if (!err)
14900                 tg3_phy_start(tp);
14901
14902         return err;
14903 }
14904
14905 static struct pci_driver tg3_driver = {
14906         .name           = DRV_MODULE_NAME,
14907         .id_table       = tg3_pci_tbl,
14908         .probe          = tg3_init_one,
14909         .remove         = __devexit_p(tg3_remove_one),
14910         .suspend        = tg3_suspend,
14911         .resume         = tg3_resume
14912 };
14913
14914 static int __init tg3_init(void)
14915 {
14916         return pci_register_driver(&tg3_driver);
14917 }
14918
14919 static void __exit tg3_cleanup(void)
14920 {
14921         pci_unregister_driver(&tg3_driver);
14922 }
14923
14924 module_init(tg3_init);
14925 module_exit(tg3_cleanup);