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) 2005-2009 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  10  *      Derived from proprietary unpublished source code,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 PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.98"
  72 #define DRV_MODULE_RELDATE      "February 25, 2009"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 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_flags2 & TG3_FLG2_5705_PLUS) ?  512 : 1024)
 114
 115 #define TG3_TX_RING_SIZE                512
 116 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 117
 118 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 119                                  TG3_RX_RING_SIZE)
 120 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
 121                                  TG3_RX_JUMBO_RING_SIZE)
 122 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 123                                    TG3_RX_RCB_RING_SIZE(tp))
 124 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 125                                  TG3_TX_RING_SIZE)
 126 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 127
 128 #define RX_PKT_BUF_SZ           (1536 + tp->rx_offset + 64)
 129 #define RX_JUMBO_PKT_BUF_SZ     (9046 + tp->rx_offset + 64)
 130
 131 /* minimum number of free TX descriptors required to wake up TX process */
 132 #define TG3_TX_WAKEUP_THRESH(tp)                ((tp)->tx_pending / 4)
 133
 134 #define TG3_RAW_IP_ALIGN 2
 135
 136 /* number of ETHTOOL_GSTATS u64's */
 137 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 138
 139 #define TG3_NUM_TEST            6
 140
 141 #define FIRMWARE_TG3            "tigon/tg3.bin"
 142 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 143 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 144
 145 static char version[] __devinitdata =
 146         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 147
 148 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 149 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 150 MODULE_LICENSE("GPL");
 151 MODULE_VERSION(DRV_MODULE_VERSION);
 152 MODULE_FIRMWARE(FIRMWARE_TG3);
 153 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 154 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 155
 156
 157 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 158 module_param(tg3_debug, int, 0);
 159 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 160
 161 static struct pci_device_id tg3_pci_tbl[] = {
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5785)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57720)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 234         {}
 235 };
 236
 237 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 238
 239 static const struct {
 240         const char string[ETH_GSTRING_LEN];
 241 } ethtool_stats_keys[TG3_NUM_STATS] = {
 242         { "rx_octets" },
 243         { "rx_fragments" },
 244         { "rx_ucast_packets" },
 245         { "rx_mcast_packets" },
 246         { "rx_bcast_packets" },
 247         { "rx_fcs_errors" },
 248         { "rx_align_errors" },
 249         { "rx_xon_pause_rcvd" },
 250         { "rx_xoff_pause_rcvd" },
 251         { "rx_mac_ctrl_rcvd" },
 252         { "rx_xoff_entered" },
 253         { "rx_frame_too_long_errors" },
 254         { "rx_jabbers" },
 255         { "rx_undersize_packets" },
 256         { "rx_in_length_errors" },
 257         { "rx_out_length_errors" },
 258         { "rx_64_or_less_octet_packets" },
 259         { "rx_65_to_127_octet_packets" },
 260         { "rx_128_to_255_octet_packets" },
 261         { "rx_256_to_511_octet_packets" },
 262         { "rx_512_to_1023_octet_packets" },
 263         { "rx_1024_to_1522_octet_packets" },
 264         { "rx_1523_to_2047_octet_packets" },
 265         { "rx_2048_to_4095_octet_packets" },
 266         { "rx_4096_to_8191_octet_packets" },
 267         { "rx_8192_to_9022_octet_packets" },
 268
 269         { "tx_octets" },
 270         { "tx_collisions" },
 271
 272         { "tx_xon_sent" },
 273         { "tx_xoff_sent" },
 274         { "tx_flow_control" },
 275         { "tx_mac_errors" },
 276         { "tx_single_collisions" },
 277         { "tx_mult_collisions" },
 278         { "tx_deferred" },
 279         { "tx_excessive_collisions" },
 280         { "tx_late_collisions" },
 281         { "tx_collide_2times" },
 282         { "tx_collide_3times" },
 283         { "tx_collide_4times" },
 284         { "tx_collide_5times" },
 285         { "tx_collide_6times" },
 286         { "tx_collide_7times" },
 287         { "tx_collide_8times" },
 288         { "tx_collide_9times" },
 289         { "tx_collide_10times" },
 290         { "tx_collide_11times" },
 291         { "tx_collide_12times" },
 292         { "tx_collide_13times" },
 293         { "tx_collide_14times" },
 294         { "tx_collide_15times" },
 295         { "tx_ucast_packets" },
 296         { "tx_mcast_packets" },
 297         { "tx_bcast_packets" },
 298         { "tx_carrier_sense_errors" },
 299         { "tx_discards" },
 300         { "tx_errors" },
 301
 302         { "dma_writeq_full" },
 303         { "dma_write_prioq_full" },
 304         { "rxbds_empty" },
 305         { "rx_discards" },
 306         { "rx_errors" },
 307         { "rx_threshold_hit" },
 308
 309         { "dma_readq_full" },
 310         { "dma_read_prioq_full" },
 311         { "tx_comp_queue_full" },
 312
 313         { "ring_set_send_prod_index" },
 314         { "ring_status_update" },
 315         { "nic_irqs" },
 316         { "nic_avoided_irqs" },
 317         { "nic_tx_threshold_hit" }
 318 };
 319
 320 static const struct {
 321         const char string[ETH_GSTRING_LEN];
 322 } ethtool_test_keys[TG3_NUM_TEST] = {
 323         { "nvram test     (online) " },
 324         { "link test      (online) " },
 325         { "register test  (offline)" },
 326         { "memory test    (offline)" },
 327         { "loopback test  (offline)" },
 328         { "interrupt test (offline)" },
 329 };
 330
 331 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 332 {
 333         writel(val, tp->regs + off);
 334 }
 335
 336 static u32 tg3_read32(struct tg3 *tp, u32 off)
 337 {
 338         return (readl(tp->regs + off));
 339 }
 340
 341 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 342 {
 343         writel(val, tp->aperegs + off);
 344 }
 345
 346 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 347 {
 348         return (readl(tp->aperegs + off));
 349 }
 350
 351 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 352 {
 353         unsigned long flags;
 354
 355         spin_lock_irqsave(&tp->indirect_lock, flags);
 356         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 357         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 358         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 359 }
 360
 361 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 362 {
 363         writel(val, tp->regs + off);
 364         readl(tp->regs + off);
 365 }
 366
 367 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 368 {
 369         unsigned long flags;
 370         u32 val;
 371
 372         spin_lock_irqsave(&tp->indirect_lock, flags);
 373         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 374         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 375         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 376         return val;
 377 }
 378
 379 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 380 {
 381         unsigned long flags;
 382
 383         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 384                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 385                                        TG3_64BIT_REG_LOW, val);
 386                 return;
 387         }
 388         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 389                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 390                                        TG3_64BIT_REG_LOW, val);
 391                 return;
 392         }
 393
 394         spin_lock_irqsave(&tp->indirect_lock, flags);
 395         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 396         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 397         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 398
 399         /* In indirect mode when disabling interrupts, we also need
 400          * to clear the interrupt bit in the GRC local ctrl register.
 401          */
 402         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 403             (val == 0x1)) {
 404                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 405                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 406         }
 407 }
 408
 409 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 410 {
 411         unsigned long flags;
 412         u32 val;
 413
 414         spin_lock_irqsave(&tp->indirect_lock, flags);
 415         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 416         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 417         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 418         return val;
 419 }
 420
 421 /* usec_wait specifies the wait time in usec when writing to certain registers
 422  * where it is unsafe to read back the register without some delay.
 423  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 424  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 425  */
 426 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 427 {
 428         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 429             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 430                 /* Non-posted methods */
 431                 tp->write32(tp, off, val);
 432         else {
 433                 /* Posted method */
 434                 tg3_write32(tp, off, val);
 435                 if (usec_wait)
 436                         udelay(usec_wait);
 437                 tp->read32(tp, off);
 438         }
 439         /* Wait again after the read for the posted method to guarantee that
 440          * the wait time is met.
 441          */
 442         if (usec_wait)
 443                 udelay(usec_wait);
 444 }
 445
 446 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 447 {
 448         tp->write32_mbox(tp, off, val);
 449         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 450             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 451                 tp->read32_mbox(tp, off);
 452 }
 453
 454 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 455 {
 456         void __iomem *mbox = tp->regs + off;
 457         writel(val, mbox);
 458         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 459                 writel(val, mbox);
 460         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 461                 readl(mbox);
 462 }
 463
 464 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 465 {
 466         return (readl(tp->regs + off + GRCMBOX_BASE));
 467 }
 468
 469 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 470 {
 471         writel(val, tp->regs + off + GRCMBOX_BASE);
 472 }
 473
 474 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 475 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 476 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 477 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 478 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 479
 480 #define tw32(reg,val)           tp->write32(tp, reg, val)
 481 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 482 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 483 #define tr32(reg)               tp->read32(tp, reg)
 484
 485 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 486 {
 487         unsigned long flags;
 488
 489         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 490             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 491                 return;
 492
 493         spin_lock_irqsave(&tp->indirect_lock, flags);
 494         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 495                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 497
 498                 /* Always leave this as zero. */
 499                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         } else {
 501                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 502                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 503
 504                 /* Always leave this as zero. */
 505                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 506         }
 507         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 508 }
 509
 510 static void tg3_read_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                 *val = 0;
 517                 return;
 518         }
 519
 520         spin_lock_irqsave(&tp->indirect_lock, flags);
 521         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 522                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 523                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 524
 525                 /* Always leave this as zero. */
 526                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 527         } else {
 528                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 529                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 530
 531                 /* Always leave this as zero. */
 532                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 533         }
 534         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 535 }
 536
 537 static void tg3_ape_lock_init(struct tg3 *tp)
 538 {
 539         int i;
 540
 541         /* Make sure the driver hasn't any stale locks. */
 542         for (i = 0; i < 8; i++)
 543                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 544                                 APE_LOCK_GRANT_DRIVER);
 545 }
 546
 547 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 548 {
 549         int i, off;
 550         int ret = 0;
 551         u32 status;
 552
 553         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 554                 return 0;
 555
 556         switch (locknum) {
 557                 case TG3_APE_LOCK_GRC:
 558                 case TG3_APE_LOCK_MEM:
 559                         break;
 560                 default:
 561                         return -EINVAL;
 562         }
 563
 564         off = 4 * locknum;
 565
 566         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 567
 568         /* Wait for up to 1 millisecond to acquire lock. */
 569         for (i = 0; i < 100; i++) {
 570                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 571                 if (status == APE_LOCK_GRANT_DRIVER)
 572                         break;
 573                 udelay(10);
 574         }
 575
 576         if (status != APE_LOCK_GRANT_DRIVER) {
 577                 /* Revoke the lock request. */
 578                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 579                                 APE_LOCK_GRANT_DRIVER);
 580
 581                 ret = -EBUSY;
 582         }
 583
 584         return ret;
 585 }
 586
 587 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 588 {
 589         int off;
 590
 591         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 592                 return;
 593
 594         switch (locknum) {
 595                 case TG3_APE_LOCK_GRC:
 596                 case TG3_APE_LOCK_MEM:
 597                         break;
 598                 default:
 599                         return;
 600         }
 601
 602         off = 4 * locknum;
 603         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 604 }
 605
 606 static void tg3_disable_ints(struct tg3 *tp)
 607 {
 608         tw32(TG3PCI_MISC_HOST_CTRL,
 609              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 610         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 611 }
 612
 613 static inline void tg3_cond_int(struct tg3 *tp)
 614 {
 615         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 616             (tp->hw_status->status & SD_STATUS_UPDATED))
 617                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 618         else
 619                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 620                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 621 }
 622
 623 static void tg3_enable_ints(struct tg3 *tp)
 624 {
 625         tp->irq_sync = 0;
 626         wmb();
 627
 628         tw32(TG3PCI_MISC_HOST_CTRL,
 629              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 630         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 631                        (tp->last_tag << 24));
 632         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 633                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 634                                (tp->last_tag << 24));
 635         tg3_cond_int(tp);
 636 }
 637
 638 static inline unsigned int tg3_has_work(struct tg3 *tp)
 639 {
 640         struct tg3_hw_status *sblk = tp->hw_status;
 641         unsigned int work_exists = 0;
 642
 643         /* check for phy events */
 644         if (!(tp->tg3_flags &
 645               (TG3_FLAG_USE_LINKCHG_REG |
 646                TG3_FLAG_POLL_SERDES))) {
 647                 if (sblk->status & SD_STATUS_LINK_CHG)
 648                         work_exists = 1;
 649         }
 650         /* check for RX/TX work to do */
 651         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 652             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 653                 work_exists = 1;
 654
 655         return work_exists;
 656 }
 657
 658 /* tg3_restart_ints
 659  *  similar to tg3_enable_ints, but it accurately determines whether there
 660  *  is new work pending and can return without flushing the PIO write
 661  *  which reenables interrupts
 662  */
 663 static void tg3_restart_ints(struct tg3 *tp)
 664 {
 665         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 666                      tp->last_tag << 24);
 667         mmiowb();
 668
 669         /* When doing tagged status, this work check is unnecessary.
 670          * The last_tag we write above tells the chip which piece of
 671          * work we've completed.
 672          */
 673         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 674             tg3_has_work(tp))
 675                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 676                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 677 }
 678
 679 static inline void tg3_netif_stop(struct tg3 *tp)
 680 {
 681         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 682         napi_disable(&tp->napi);
 683         netif_tx_disable(tp->dev);
 684 }
 685
 686 static inline void tg3_netif_start(struct tg3 *tp)
 687 {
 688         netif_wake_queue(tp->dev);
 689         /* NOTE: unconditional netif_wake_queue is only appropriate
 690          * so long as all callers are assured to have free tx slots
 691          * (such as after tg3_init_hw)
 692          */
 693         napi_enable(&tp->napi);
 694         tp->hw_status->status |= SD_STATUS_UPDATED;
 695         tg3_enable_ints(tp);
 696 }
 697
 698 static void tg3_switch_clocks(struct tg3 *tp)
 699 {
 700         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 701         u32 orig_clock_ctrl;
 702
 703         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 704             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 705                 return;
 706
 707         orig_clock_ctrl = clock_ctrl;
 708         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 709                        CLOCK_CTRL_CLKRUN_OENABLE |
 710                        0x1f);
 711         tp->pci_clock_ctrl = clock_ctrl;
 712
 713         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 714                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 715                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 716                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 717                 }
 718         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 719                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 720                             clock_ctrl |
 721                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 722                             40);
 723                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 724                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 725                             40);
 726         }
 727         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 728 }
 729
 730 #define PHY_BUSY_LOOPS  5000
 731
 732 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 733 {
 734         u32 frame_val;
 735         unsigned int loops;
 736         int ret;
 737
 738         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 739                 tw32_f(MAC_MI_MODE,
 740                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 741                 udelay(80);
 742         }
 743
 744         *val = 0x0;
 745
 746         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 747                       MI_COM_PHY_ADDR_MASK);
 748         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 749                       MI_COM_REG_ADDR_MASK);
 750         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 751
 752         tw32_f(MAC_MI_COM, frame_val);
 753
 754         loops = PHY_BUSY_LOOPS;
 755         while (loops != 0) {
 756                 udelay(10);
 757                 frame_val = tr32(MAC_MI_COM);
 758
 759                 if ((frame_val & MI_COM_BUSY) == 0) {
 760                         udelay(5);
 761                         frame_val = tr32(MAC_MI_COM);
 762                         break;
 763                 }
 764                 loops -= 1;
 765         }
 766
 767         ret = -EBUSY;
 768         if (loops != 0) {
 769                 *val = frame_val & MI_COM_DATA_MASK;
 770                 ret = 0;
 771         }
 772
 773         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 774                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 775                 udelay(80);
 776         }
 777
 778         return ret;
 779 }
 780
 781 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 782 {
 783         u32 frame_val;
 784         unsigned int loops;
 785         int ret;
 786
 787         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 788             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 789                 return 0;
 790
 791         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 792                 tw32_f(MAC_MI_MODE,
 793                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 794                 udelay(80);
 795         }
 796
 797         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 798                       MI_COM_PHY_ADDR_MASK);
 799         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 800                       MI_COM_REG_ADDR_MASK);
 801         frame_val |= (val & MI_COM_DATA_MASK);
 802         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 803
 804         tw32_f(MAC_MI_COM, frame_val);
 805
 806         loops = PHY_BUSY_LOOPS;
 807         while (loops != 0) {
 808                 udelay(10);
 809                 frame_val = tr32(MAC_MI_COM);
 810                 if ((frame_val & MI_COM_BUSY) == 0) {
 811                         udelay(5);
 812                         frame_val = tr32(MAC_MI_COM);
 813                         break;
 814                 }
 815                 loops -= 1;
 816         }
 817
 818         ret = -EBUSY;
 819         if (loops != 0)
 820                 ret = 0;
 821
 822         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 823                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 824                 udelay(80);
 825         }
 826
 827         return ret;
 828 }
 829
 830 static int tg3_bmcr_reset(struct tg3 *tp)
 831 {
 832         u32 phy_control;
 833         int limit, err;
 834
 835         /* OK, reset it, and poll the BMCR_RESET bit until it
 836          * clears or we time out.
 837          */
 838         phy_control = BMCR_RESET;
 839         err = tg3_writephy(tp, MII_BMCR, phy_control);
 840         if (err != 0)
 841                 return -EBUSY;
 842
 843         limit = 5000;
 844         while (limit--) {
 845                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 846                 if (err != 0)
 847                         return -EBUSY;
 848
 849                 if ((phy_control & BMCR_RESET) == 0) {
 850                         udelay(40);
 851                         break;
 852                 }
 853                 udelay(10);
 854         }
 855         if (limit < 0)
 856                 return -EBUSY;
 857
 858         return 0;
 859 }
 860
 861 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 862 {
 863         struct tg3 *tp = bp->priv;
 864         u32 val;
 865
 866         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 867                 return -EAGAIN;
 868
 869         if (tg3_readphy(tp, reg, &val))
 870                 return -EIO;
 871
 872         return val;
 873 }
 874
 875 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 876 {
 877         struct tg3 *tp = bp->priv;
 878
 879         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 880                 return -EAGAIN;
 881
 882         if (tg3_writephy(tp, reg, val))
 883                 return -EIO;
 884
 885         return 0;
 886 }
 887
 888 static int tg3_mdio_reset(struct mii_bus *bp)
 889 {
 890         return 0;
 891 }
 892
 893 static void tg3_mdio_config_5785(struct tg3 *tp)
 894 {
 895         u32 val;
 896         struct phy_device *phydev;
 897
 898         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
 899         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 900         case TG3_PHY_ID_BCM50610:
 901                 val = MAC_PHYCFG2_50610_LED_MODES;
 902                 break;
 903         case TG3_PHY_ID_BCMAC131:
 904                 val = MAC_PHYCFG2_AC131_LED_MODES;
 905                 break;
 906         case TG3_PHY_ID_RTL8211C:
 907                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 908                 break;
 909         case TG3_PHY_ID_RTL8201E:
 910                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 911                 break;
 912         default:
 913                 return;
 914         }
 915
 916         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 917                 tw32(MAC_PHYCFG2, val);
 918
 919                 val = tr32(MAC_PHYCFG1);
 920                 val &= ~MAC_PHYCFG1_RGMII_INT;
 921                 tw32(MAC_PHYCFG1, val);
 922
 923                 return;
 924         }
 925
 926         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
 927                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 928                        MAC_PHYCFG2_FMODE_MASK_MASK |
 929                        MAC_PHYCFG2_GMODE_MASK_MASK |
 930                        MAC_PHYCFG2_ACT_MASK_MASK   |
 931                        MAC_PHYCFG2_QUAL_MASK_MASK |
 932                        MAC_PHYCFG2_INBAND_ENABLE;
 933
 934         tw32(MAC_PHYCFG2, val);
 935
 936         val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
 937                                     MAC_PHYCFG1_RGMII_SND_STAT_EN);
 938         if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
 939                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 940                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
 941                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 942                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
 943         }
 944         tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);
 945
 946         val = tr32(MAC_EXT_RGMII_MODE);
 947         val &= ~(MAC_RGMII_MODE_RX_INT_B |
 948                  MAC_RGMII_MODE_RX_QUALITY |
 949                  MAC_RGMII_MODE_RX_ACTIVITY |
 950                  MAC_RGMII_MODE_RX_ENG_DET |
 951                  MAC_RGMII_MODE_TX_ENABLE |
 952                  MAC_RGMII_MODE_TX_LOWPWR |
 953                  MAC_RGMII_MODE_TX_RESET);
 954         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
 955                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 956                         val |= MAC_RGMII_MODE_RX_INT_B |
 957                                MAC_RGMII_MODE_RX_QUALITY |
 958                                MAC_RGMII_MODE_RX_ACTIVITY |
 959                                MAC_RGMII_MODE_RX_ENG_DET;
 960                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 961                         val |= MAC_RGMII_MODE_TX_ENABLE |
 962                                MAC_RGMII_MODE_TX_LOWPWR |
 963                                MAC_RGMII_MODE_TX_RESET;
 964         }
 965         tw32(MAC_EXT_RGMII_MODE, val);
 966 }
 967
 968 static void tg3_mdio_start(struct tg3 *tp)
 969 {
 970         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
 971                 mutex_lock(&tp->mdio_bus->mdio_lock);
 972                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
 973                 mutex_unlock(&tp->mdio_bus->mdio_lock);
 974         }
 975
 976         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
 977         tw32_f(MAC_MI_MODE, tp->mi_mode);
 978         udelay(80);
 979
 980         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
 981             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
 982                 tg3_mdio_config_5785(tp);
 983 }
 984
 985 static void tg3_mdio_stop(struct tg3 *tp)
 986 {
 987         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
 988                 mutex_lock(&tp->mdio_bus->mdio_lock);
 989                 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED;
 990                 mutex_unlock(&tp->mdio_bus->mdio_lock);
 991         }
 992 }
 993
 994 static int tg3_mdio_init(struct tg3 *tp)
 995 {
 996         int i;
 997         u32 reg;
 998         struct phy_device *phydev;
 999
1000         tg3_mdio_start(tp);
1001
1002         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1003             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1004                 return 0;
1005
1006         tp->mdio_bus = mdiobus_alloc();
1007         if (tp->mdio_bus == NULL)
1008                 return -ENOMEM;
1009
1010         tp->mdio_bus->name     = "tg3 mdio bus";
1011         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1012                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1013         tp->mdio_bus->priv     = tp;
1014         tp->mdio_bus->parent   = &tp->pdev->dev;
1015         tp->mdio_bus->read     = &tg3_mdio_read;
1016         tp->mdio_bus->write    = &tg3_mdio_write;
1017         tp->mdio_bus->reset    = &tg3_mdio_reset;
1018         tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
1019         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1020
1021         for (i = 0; i < PHY_MAX_ADDR; i++)
1022                 tp->mdio_bus->irq[i] = PHY_POLL;
1023
1024         /* The bus registration will look for all the PHYs on the mdio bus.
1025          * Unfortunately, it does not ensure the PHY is powered up before
1026          * accessing the PHY ID registers.  A chip reset is the
1027          * quickest way to bring the device back to an operational state..
1028          */
1029         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1030                 tg3_bmcr_reset(tp);
1031
1032         i = mdiobus_register(tp->mdio_bus);
1033         if (i) {
1034                 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1035                         tp->dev->name, i);
1036                 mdiobus_free(tp->mdio_bus);
1037                 return i;
1038         }
1039
1040         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1041
1042         if (!phydev || !phydev->drv) {
1043                 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1044                 mdiobus_unregister(tp->mdio_bus);
1045                 mdiobus_free(tp->mdio_bus);
1046                 return -ENODEV;
1047         }
1048
1049         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1050         case TG3_PHY_ID_BCM57780:
1051                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1052                 break;
1053         case TG3_PHY_ID_BCM50610:
1054                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1055                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1056                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1057                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1058                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1059                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1060                 /* fallthru */
1061         case TG3_PHY_ID_RTL8211C:
1062                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1063                 break;
1064         case TG3_PHY_ID_RTL8201E:
1065         case TG3_PHY_ID_BCMAC131:
1066                 phydev->interface = PHY_INTERFACE_MODE_MII;
1067                 break;
1068         }
1069
1070         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1071
1072         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1073                 tg3_mdio_config_5785(tp);
1074
1075         return 0;
1076 }
1077
1078 static void tg3_mdio_fini(struct tg3 *tp)
1079 {
1080         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1081                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1082                 mdiobus_unregister(tp->mdio_bus);
1083                 mdiobus_free(tp->mdio_bus);
1084                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
1085         }
1086 }
1087
1088 /* tp->lock is held. */
1089 static inline void tg3_generate_fw_event(struct tg3 *tp)
1090 {
1091         u32 val;
1092
1093         val = tr32(GRC_RX_CPU_EVENT);
1094         val |= GRC_RX_CPU_DRIVER_EVENT;
1095         tw32_f(GRC_RX_CPU_EVENT, val);
1096
1097         tp->last_event_jiffies = jiffies;
1098 }
1099
1100 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1101
1102 /* tp->lock is held. */
1103 static void tg3_wait_for_event_ack(struct tg3 *tp)
1104 {
1105         int i;
1106         unsigned int delay_cnt;
1107         long time_remain;
1108
1109         /* If enough time has passed, no wait is necessary. */
1110         time_remain = (long)(tp->last_event_jiffies + 1 +
1111                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1112                       (long)jiffies;
1113         if (time_remain < 0)
1114                 return;
1115
1116         /* Check if we can shorten the wait time. */
1117         delay_cnt = jiffies_to_usecs(time_remain);
1118         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1119                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1120         delay_cnt = (delay_cnt >> 3) + 1;
1121
1122         for (i = 0; i < delay_cnt; i++) {
1123                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1124                         break;
1125                 udelay(8);
1126         }
1127 }
1128
1129 /* tp->lock is held. */
1130 static void tg3_ump_link_report(struct tg3 *tp)
1131 {
1132         u32 reg;
1133         u32 val;
1134
1135         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1136             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1137                 return;
1138
1139         tg3_wait_for_event_ack(tp);
1140
1141         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1142
1143         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1144
1145         val = 0;
1146         if (!tg3_readphy(tp, MII_BMCR, &reg))
1147                 val = reg << 16;
1148         if (!tg3_readphy(tp, MII_BMSR, &reg))
1149                 val |= (reg & 0xffff);
1150         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1151
1152         val = 0;
1153         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1154                 val = reg << 16;
1155         if (!tg3_readphy(tp, MII_LPA, &reg))
1156                 val |= (reg & 0xffff);
1157         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1158
1159         val = 0;
1160         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1161                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1162                         val = reg << 16;
1163                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1164                         val |= (reg & 0xffff);
1165         }
1166         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1167
1168         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1169                 val = reg << 16;
1170         else
1171                 val = 0;
1172         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1173
1174         tg3_generate_fw_event(tp);
1175 }
1176
1177 static void tg3_link_report(struct tg3 *tp)
1178 {
1179         if (!netif_carrier_ok(tp->dev)) {
1180                 if (netif_msg_link(tp))
1181                         printk(KERN_INFO PFX "%s: Link is down.\n",
1182                                tp->dev->name);
1183                 tg3_ump_link_report(tp);
1184         } else if (netif_msg_link(tp)) {
1185                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1186                        tp->dev->name,
1187                        (tp->link_config.active_speed == SPEED_1000 ?
1188                         1000 :
1189                         (tp->link_config.active_speed == SPEED_100 ?
1190                          100 : 10)),
1191                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1192                         "full" : "half"));
1193
1194                 printk(KERN_INFO PFX
1195                        "%s: Flow control is %s for TX and %s for RX.\n",
1196                        tp->dev->name,
1197                        (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1198                        "on" : "off",
1199                        (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1200                        "on" : "off");
1201                 tg3_ump_link_report(tp);
1202         }
1203 }
1204
1205 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1206 {
1207         u16 miireg;
1208
1209         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1210                 miireg = ADVERTISE_PAUSE_CAP;
1211         else if (flow_ctrl & FLOW_CTRL_TX)
1212                 miireg = ADVERTISE_PAUSE_ASYM;
1213         else if (flow_ctrl & FLOW_CTRL_RX)
1214                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1215         else
1216                 miireg = 0;
1217
1218         return miireg;
1219 }
1220
1221 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1222 {
1223         u16 miireg;
1224
1225         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1226                 miireg = ADVERTISE_1000XPAUSE;
1227         else if (flow_ctrl & FLOW_CTRL_TX)
1228                 miireg = ADVERTISE_1000XPSE_ASYM;
1229         else if (flow_ctrl & FLOW_CTRL_RX)
1230                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1231         else
1232                 miireg = 0;
1233
1234         return miireg;
1235 }
1236
1237 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1238 {
1239         u8 cap = 0;
1240
1241         if (lcladv & ADVERTISE_1000XPAUSE) {
1242                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1243                         if (rmtadv & LPA_1000XPAUSE)
1244                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1245                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1246                                 cap = FLOW_CTRL_RX;
1247                 } else {
1248                         if (rmtadv & LPA_1000XPAUSE)
1249                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1250                 }
1251         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1252                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1253                         cap = FLOW_CTRL_TX;
1254         }
1255
1256         return cap;
1257 }
1258
1259 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1260 {
1261         u8 autoneg;
1262         u8 flowctrl = 0;
1263         u32 old_rx_mode = tp->rx_mode;
1264         u32 old_tx_mode = tp->tx_mode;
1265
1266         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1267                 autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
1268         else
1269                 autoneg = tp->link_config.autoneg;
1270
1271         if (autoneg == AUTONEG_ENABLE &&
1272             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1273                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1274                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1275                 else
1276                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1277         } else
1278                 flowctrl = tp->link_config.flowctrl;
1279
1280         tp->link_config.active_flowctrl = flowctrl;
1281
1282         if (flowctrl & FLOW_CTRL_RX)
1283                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1284         else
1285                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1286
1287         if (old_rx_mode != tp->rx_mode)
1288                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1289
1290         if (flowctrl & FLOW_CTRL_TX)
1291                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1292         else
1293                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1294
1295         if (old_tx_mode != tp->tx_mode)
1296                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1297 }
1298
1299 static void tg3_adjust_link(struct net_device *dev)
1300 {
1301         u8 oldflowctrl, linkmesg = 0;
1302         u32 mac_mode, lcl_adv, rmt_adv;
1303         struct tg3 *tp = netdev_priv(dev);
1304         struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1305
1306         spin_lock(&tp->lock);
1307
1308         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1309                                     MAC_MODE_HALF_DUPLEX);
1310
1311         oldflowctrl = tp->link_config.active_flowctrl;
1312
1313         if (phydev->link) {
1314                 lcl_adv = 0;
1315                 rmt_adv = 0;
1316
1317                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1318                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1319                 else
1320                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1321
1322                 if (phydev->duplex == DUPLEX_HALF)
1323                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1324                 else {
1325                         lcl_adv = tg3_advert_flowctrl_1000T(
1326                                   tp->link_config.flowctrl);
1327
1328                         if (phydev->pause)
1329                                 rmt_adv = LPA_PAUSE_CAP;
1330                         if (phydev->asym_pause)
1331                                 rmt_adv |= LPA_PAUSE_ASYM;
1332                 }
1333
1334                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1335         } else
1336                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1337
1338         if (mac_mode != tp->mac_mode) {
1339                 tp->mac_mode = mac_mode;
1340                 tw32_f(MAC_MODE, tp->mac_mode);
1341                 udelay(40);
1342         }
1343
1344         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1345                 if (phydev->speed == SPEED_10)
1346                         tw32(MAC_MI_STAT,
1347                              MAC_MI_STAT_10MBPS_MODE |
1348                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1349                 else
1350                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1351         }
1352
1353         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1354                 tw32(MAC_TX_LENGTHS,
1355                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1356                       (6 << TX_LENGTHS_IPG_SHIFT) |
1357                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1358         else
1359                 tw32(MAC_TX_LENGTHS,
1360                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1361                       (6 << TX_LENGTHS_IPG_SHIFT) |
1362                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1363
1364         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1365             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1366             phydev->speed != tp->link_config.active_speed ||
1367             phydev->duplex != tp->link_config.active_duplex ||
1368             oldflowctrl != tp->link_config.active_flowctrl)
1369             linkmesg = 1;
1370
1371         tp->link_config.active_speed = phydev->speed;
1372         tp->link_config.active_duplex = phydev->duplex;
1373
1374         spin_unlock(&tp->lock);
1375
1376         if (linkmesg)
1377                 tg3_link_report(tp);
1378 }
1379
1380 static int tg3_phy_init(struct tg3 *tp)
1381 {
1382         struct phy_device *phydev;
1383
1384         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1385                 return 0;
1386
1387         /* Bring the PHY back to a known state. */
1388         tg3_bmcr_reset(tp);
1389
1390         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1391
1392         /* Attach the MAC to the PHY. */
1393         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1394                              phydev->dev_flags, phydev->interface);
1395         if (IS_ERR(phydev)) {
1396                 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1397                 return PTR_ERR(phydev);
1398         }
1399
1400         /* Mask with MAC supported features. */
1401         switch (phydev->interface) {
1402         case PHY_INTERFACE_MODE_GMII:
1403         case PHY_INTERFACE_MODE_RGMII:
1404                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1405                         phydev->supported &= (PHY_GBIT_FEATURES |
1406                                               SUPPORTED_Pause |
1407                                               SUPPORTED_Asym_Pause);
1408                         break;
1409                 }
1410                 /* fallthru */
1411         case PHY_INTERFACE_MODE_MII:
1412                 phydev->supported &= (PHY_BASIC_FEATURES |
1413                                       SUPPORTED_Pause |
1414                                       SUPPORTED_Asym_Pause);
1415                 break;
1416         default:
1417                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1418                 return -EINVAL;
1419         }
1420
1421         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1422
1423         phydev->advertising = phydev->supported;
1424
1425         return 0;
1426 }
1427
1428 static void tg3_phy_start(struct tg3 *tp)
1429 {
1430         struct phy_device *phydev;
1431
1432         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1433                 return;
1434
1435         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1436
1437         if (tp->link_config.phy_is_low_power) {
1438                 tp->link_config.phy_is_low_power = 0;
1439                 phydev->speed = tp->link_config.orig_speed;
1440                 phydev->duplex = tp->link_config.orig_duplex;
1441                 phydev->autoneg = tp->link_config.orig_autoneg;
1442                 phydev->advertising = tp->link_config.orig_advertising;
1443         }
1444
1445         phy_start(phydev);
1446
1447         phy_start_aneg(phydev);
1448 }
1449
1450 static void tg3_phy_stop(struct tg3 *tp)
1451 {
1452         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1453                 return;
1454
1455         phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
1456 }
1457
1458 static void tg3_phy_fini(struct tg3 *tp)
1459 {
1460         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1461                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1462                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1463         }
1464 }
1465
1466 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1467 {
1468         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1469         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1470 }
1471
1472 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1473 {
1474         u32 reg;
1475
1476         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1477             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1478                 return;
1479
1480         reg = MII_TG3_MISC_SHDW_WREN |
1481               MII_TG3_MISC_SHDW_SCR5_SEL |
1482               MII_TG3_MISC_SHDW_SCR5_LPED |
1483               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1484               MII_TG3_MISC_SHDW_SCR5_SDTL |
1485               MII_TG3_MISC_SHDW_SCR5_C125OE;
1486         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1487                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1488
1489         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1490
1491
1492         reg = MII_TG3_MISC_SHDW_WREN |
1493               MII_TG3_MISC_SHDW_APD_SEL |
1494               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1495         if (enable)
1496                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1497
1498         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1499 }
1500
1501 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1502 {
1503         u32 phy;
1504
1505         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1506             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1507                 return;
1508
1509         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1510                 u32 ephy;
1511
1512                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
1513                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1514                                      ephy | MII_TG3_EPHY_SHADOW_EN);
1515                         if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
1516                                 if (enable)
1517                                         phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
1518                                 else
1519                                         phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
1520                                 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
1521                         }
1522                         tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
1523                 }
1524         } else {
1525                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1526                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1527                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1528                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1529                         if (enable)
1530                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1531                         else
1532                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1533                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1534                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1535                 }
1536         }
1537 }
1538
1539 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1540 {
1541         u32 val;
1542
1543         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1544                 return;
1545
1546         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1547             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1548                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1549                              (val | (1 << 15) | (1 << 4)));
1550 }
1551
1552 static void tg3_phy_apply_otp(struct tg3 *tp)
1553 {
1554         u32 otp, phy;
1555
1556         if (!tp->phy_otp)
1557                 return;
1558
1559         otp = tp->phy_otp;
1560
1561         /* Enable SM_DSP clock and tx 6dB coding. */
1562         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1563               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1564               MII_TG3_AUXCTL_ACTL_TX_6DB;
1565         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1566
1567         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1568         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1569         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1570
1571         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1572               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1573         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1574
1575         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1576         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1577         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1578
1579         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1580         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1581
1582         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1583         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1584
1585         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1586               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1587         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1588
1589         /* Turn off SM_DSP clock. */
1590         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1591               MII_TG3_AUXCTL_ACTL_TX_6DB;
1592         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1593 }
1594
1595 static int tg3_wait_macro_done(struct tg3 *tp)
1596 {
1597         int limit = 100;
1598
1599         while (limit--) {
1600                 u32 tmp32;
1601
1602                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1603                         if ((tmp32 & 0x1000) == 0)
1604                                 break;
1605                 }
1606         }
1607         if (limit < 0)
1608                 return -EBUSY;
1609
1610         return 0;
1611 }
1612
1613 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1614 {
1615         static const u32 test_pat[4][6] = {
1616         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1617         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1618         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1619         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1620         };
1621         int chan;
1622
1623         for (chan = 0; chan < 4; chan++) {
1624                 int i;
1625
1626                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1627                              (chan * 0x2000) | 0x0200);
1628                 tg3_writephy(tp, 0x16, 0x0002);
1629
1630                 for (i = 0; i < 6; i++)
1631                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1632                                      test_pat[chan][i]);
1633
1634                 tg3_writephy(tp, 0x16, 0x0202);
1635                 if (tg3_wait_macro_done(tp)) {
1636                         *resetp = 1;
1637                         return -EBUSY;
1638                 }
1639
1640                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1641                              (chan * 0x2000) | 0x0200);
1642                 tg3_writephy(tp, 0x16, 0x0082);
1643                 if (tg3_wait_macro_done(tp)) {
1644                         *resetp = 1;
1645                         return -EBUSY;
1646                 }
1647
1648                 tg3_writephy(tp, 0x16, 0x0802);
1649                 if (tg3_wait_macro_done(tp)) {
1650                         *resetp = 1;
1651                         return -EBUSY;
1652                 }
1653
1654                 for (i = 0; i < 6; i += 2) {
1655                         u32 low, high;
1656
1657                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1658                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1659                             tg3_wait_macro_done(tp)) {
1660                                 *resetp = 1;
1661                                 return -EBUSY;
1662                         }
1663                         low &= 0x7fff;
1664                         high &= 0x000f;
1665                         if (low != test_pat[chan][i] ||
1666                             high != test_pat[chan][i+1]) {
1667                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1668                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1669                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1670
1671                                 return -EBUSY;
1672                         }
1673                 }
1674         }
1675
1676         return 0;
1677 }
1678
1679 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1680 {
1681         int chan;
1682
1683         for (chan = 0; chan < 4; chan++) {
1684                 int i;
1685
1686                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1687                              (chan * 0x2000) | 0x0200);
1688                 tg3_writephy(tp, 0x16, 0x0002);
1689                 for (i = 0; i < 6; i++)
1690                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1691                 tg3_writephy(tp, 0x16, 0x0202);
1692                 if (tg3_wait_macro_done(tp))
1693                         return -EBUSY;
1694         }
1695
1696         return 0;
1697 }
1698
1699 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1700 {
1701         u32 reg32, phy9_orig;
1702         int retries, do_phy_reset, err;
1703
1704         retries = 10;
1705         do_phy_reset = 1;
1706         do {
1707                 if (do_phy_reset) {
1708                         err = tg3_bmcr_reset(tp);
1709                         if (err)
1710                                 return err;
1711                         do_phy_reset = 0;
1712                 }
1713
1714                 /* Disable transmitter and interrupt.  */
1715                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1716                         continue;
1717
1718                 reg32 |= 0x3000;
1719                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1720
1721                 /* Set full-duplex, 1000 mbps.  */
1722                 tg3_writephy(tp, MII_BMCR,
1723                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1724
1725                 /* Set to master mode.  */
1726                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1727                         continue;
1728
1729                 tg3_writephy(tp, MII_TG3_CTRL,
1730                              (MII_TG3_CTRL_AS_MASTER |
1731                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1732
1733                 /* Enable SM_DSP_CLOCK and 6dB.  */
1734                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1735
1736                 /* Block the PHY control access.  */
1737                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1738                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1739
1740                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1741                 if (!err)
1742                         break;
1743         } while (--retries);
1744
1745         err = tg3_phy_reset_chanpat(tp);
1746         if (err)
1747                 return err;
1748
1749         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1750         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1751
1752         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1753         tg3_writephy(tp, 0x16, 0x0000);
1754
1755         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1756             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1757                 /* Set Extended packet length bit for jumbo frames */
1758                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1759         }
1760         else {
1761                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1762         }
1763
1764         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1765
1766         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1767                 reg32 &= ~0x3000;
1768                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1769         } else if (!err)
1770                 err = -EBUSY;
1771
1772         return err;
1773 }
1774
1775 /* This will reset the tigon3 PHY if there is no valid
1776  * link unless the FORCE argument is non-zero.
1777  */
1778 static int tg3_phy_reset(struct tg3 *tp)
1779 {
1780         u32 cpmuctrl;
1781         u32 phy_status;
1782         int err;
1783
1784         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1785                 u32 val;
1786
1787                 val = tr32(GRC_MISC_CFG);
1788                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1789                 udelay(40);
1790         }
1791         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1792         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1793         if (err != 0)
1794                 return -EBUSY;
1795
1796         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1797                 netif_carrier_off(tp->dev);
1798                 tg3_link_report(tp);
1799         }
1800
1801         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1802             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1803             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1804                 err = tg3_phy_reset_5703_4_5(tp);
1805                 if (err)
1806                         return err;
1807                 goto out;
1808         }
1809
1810         cpmuctrl = 0;
1811         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1812             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1813                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1814                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1815                         tw32(TG3_CPMU_CTRL,
1816                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1817         }
1818
1819         err = tg3_bmcr_reset(tp);
1820         if (err)
1821                 return err;
1822
1823         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1824                 u32 phy;
1825
1826                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1827                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1828
1829                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1830         }
1831
1832         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1833             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1834                 u32 val;
1835
1836                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1837                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1838                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1839                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1840                         udelay(40);
1841                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1842                 }
1843         }
1844
1845         tg3_phy_apply_otp(tp);
1846
1847         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1848                 tg3_phy_toggle_apd(tp, true);
1849         else
1850                 tg3_phy_toggle_apd(tp, false);
1851
1852 out:
1853         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1854                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1855                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1856                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1857                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1858                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1859                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1860         }
1861         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1862                 tg3_writephy(tp, 0x1c, 0x8d68);
1863                 tg3_writephy(tp, 0x1c, 0x8d68);
1864         }
1865         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1866                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1867                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1868                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1869                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1870                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1871                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1872                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1873                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1874         }
1875         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1876                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1877                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1878                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1879                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1880                         tg3_writephy(tp, MII_TG3_TEST1,
1881                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1882                 } else
1883                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1884                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1885         }
1886         /* Set Extended packet length bit (bit 14) on all chips that */
1887         /* support jumbo frames */
1888         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1889                 /* Cannot do read-modify-write on 5401 */
1890                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1891         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1892                 u32 phy_reg;
1893
1894                 /* Set bit 14 with read-modify-write to preserve other bits */
1895                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1896                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1897                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1898         }
1899
1900         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1901          * jumbo frames transmission.
1902          */
1903         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1904                 u32 phy_reg;
1905
1906                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1907                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1908                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1909         }
1910
1911         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1912                 /* adjust output voltage */
1913                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1914         }
1915
1916         tg3_phy_toggle_automdix(tp, 1);
1917         tg3_phy_set_wirespeed(tp);
1918         return 0;
1919 }
1920
1921 static void tg3_frob_aux_power(struct tg3 *tp)
1922 {
1923         struct tg3 *tp_peer = tp;
1924
1925         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1926                 return;
1927
1928         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1929             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1930                 struct net_device *dev_peer;
1931
1932                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1933                 /* remove_one() may have been run on the peer. */
1934                 if (!dev_peer)
1935                         tp_peer = tp;
1936                 else
1937                         tp_peer = netdev_priv(dev_peer);
1938         }
1939
1940         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1941             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1942             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1943             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1944                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1945                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1946                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1947                                     (GRC_LCLCTRL_GPIO_OE0 |
1948                                      GRC_LCLCTRL_GPIO_OE1 |
1949                                      GRC_LCLCTRL_GPIO_OE2 |
1950                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1951                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1952                                     100);
1953                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
1954                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
1955                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
1956                                              GRC_LCLCTRL_GPIO_OE1 |
1957                                              GRC_LCLCTRL_GPIO_OE2 |
1958                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
1959                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
1960                                              tp->grc_local_ctrl;
1961                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1962
1963                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
1964                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1965
1966                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
1967                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1968                 } else {
1969                         u32 no_gpio2;
1970                         u32 grc_local_ctrl = 0;
1971
1972                         if (tp_peer != tp &&
1973                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1974                                 return;
1975
1976                         /* Workaround to prevent overdrawing Amps. */
1977                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1978                             ASIC_REV_5714) {
1979                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1980                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1981                                             grc_local_ctrl, 100);
1982                         }
1983
1984                         /* On 5753 and variants, GPIO2 cannot be used. */
1985                         no_gpio2 = tp->nic_sram_data_cfg &
1986                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1987
1988                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1989                                          GRC_LCLCTRL_GPIO_OE1 |
1990                                          GRC_LCLCTRL_GPIO_OE2 |
1991                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1992                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1993                         if (no_gpio2) {
1994                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1995                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1996                         }
1997                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1998                                                     grc_local_ctrl, 100);
1999
2000                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2001
2002                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2003                                                     grc_local_ctrl, 100);
2004
2005                         if (!no_gpio2) {
2006                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2007                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2008                                             grc_local_ctrl, 100);
2009                         }
2010                 }
2011         } else {
2012                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2013                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2014                         if (tp_peer != tp &&
2015                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2016                                 return;
2017
2018                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2019                                     (GRC_LCLCTRL_GPIO_OE1 |
2020                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2021
2022                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2023                                     GRC_LCLCTRL_GPIO_OE1, 100);
2024
2025                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2026                                     (GRC_LCLCTRL_GPIO_OE1 |
2027                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2028                 }
2029         }
2030 }
2031
2032 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2033 {
2034         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2035                 return 1;
2036         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2037                 if (speed != SPEED_10)
2038                         return 1;
2039         } else if (speed == SPEED_10)
2040                 return 1;
2041
2042         return 0;
2043 }
2044
2045 static int tg3_setup_phy(struct tg3 *, int);
2046
2047 #define RESET_KIND_SHUTDOWN     0
2048 #define RESET_KIND_INIT         1
2049 #define RESET_KIND_SUSPEND      2
2050
2051 static void tg3_write_sig_post_reset(struct tg3 *, int);
2052 static int tg3_halt_cpu(struct tg3 *, u32);
2053
2054 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2055 {
2056         u32 val;
2057
2058         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2059                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2060                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2061                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2062
2063                         sg_dig_ctrl |=
2064                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2065                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2066                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2067                 }
2068                 return;
2069         }
2070
2071         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2072                 tg3_bmcr_reset(tp);
2073                 val = tr32(GRC_MISC_CFG);
2074                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2075                 udelay(40);
2076                 return;
2077         } else if (do_low_power) {
2078                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2079                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2080
2081                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2082                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2083                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2084                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2085                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2086         }
2087
2088         /* The PHY should not be powered down on some chips because
2089          * of bugs.
2090          */
2091         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2092             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2093             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2094              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2095                 return;
2096
2097         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2098             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2099                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2100                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2101                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2102                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2103         }
2104
2105         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2106 }
2107
2108 /* tp->lock is held. */
2109 static int tg3_nvram_lock(struct tg3 *tp)
2110 {
2111         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2112                 int i;
2113
2114                 if (tp->nvram_lock_cnt == 0) {
2115                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2116                         for (i = 0; i < 8000; i++) {
2117                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2118                                         break;
2119                                 udelay(20);
2120                         }
2121                         if (i == 8000) {
2122                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2123                                 return -ENODEV;
2124                         }
2125                 }
2126                 tp->nvram_lock_cnt++;
2127         }
2128         return 0;
2129 }
2130
2131 /* tp->lock is held. */
2132 static void tg3_nvram_unlock(struct tg3 *tp)
2133 {
2134         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2135                 if (tp->nvram_lock_cnt > 0)
2136                         tp->nvram_lock_cnt--;
2137                 if (tp->nvram_lock_cnt == 0)
2138                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2139         }
2140 }
2141
2142 /* tp->lock is held. */
2143 static void tg3_enable_nvram_access(struct tg3 *tp)
2144 {
2145         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2146             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2147                 u32 nvaccess = tr32(NVRAM_ACCESS);
2148
2149                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2150         }
2151 }
2152
2153 /* tp->lock is held. */
2154 static void tg3_disable_nvram_access(struct tg3 *tp)
2155 {
2156         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2157             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2158                 u32 nvaccess = tr32(NVRAM_ACCESS);
2159
2160                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2161         }
2162 }
2163
2164 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2165                                         u32 offset, u32 *val)
2166 {
2167         u32 tmp;
2168         int i;
2169
2170         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2171                 return -EINVAL;
2172
2173         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2174                                         EEPROM_ADDR_DEVID_MASK |
2175                                         EEPROM_ADDR_READ);
2176         tw32(GRC_EEPROM_ADDR,
2177              tmp |
2178              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2179              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2180               EEPROM_ADDR_ADDR_MASK) |
2181              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2182
2183         for (i = 0; i < 1000; i++) {
2184                 tmp = tr32(GRC_EEPROM_ADDR);
2185
2186                 if (tmp & EEPROM_ADDR_COMPLETE)
2187                         break;
2188                 msleep(1);
2189         }
2190         if (!(tmp & EEPROM_ADDR_COMPLETE))
2191                 return -EBUSY;
2192
2193         tmp = tr32(GRC_EEPROM_DATA);
2194
2195         /*
2196          * The data will always be opposite the native endian
2197          * format.  Perform a blind byteswap to compensate.
2198          */
2199         *val = swab32(tmp);
2200
2201         return 0;
2202 }
2203
2204 #define NVRAM_CMD_TIMEOUT 10000
2205
2206 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2207 {
2208         int i;
2209
2210         tw32(NVRAM_CMD, nvram_cmd);
2211         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2212                 udelay(10);
2213                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2214                         udelay(10);
2215                         break;
2216                 }
2217         }
2218
2219         if (i == NVRAM_CMD_TIMEOUT)
2220                 return -EBUSY;
2221
2222         return 0;
2223 }
2224
2225 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2226 {
2227         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2228             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2229             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2230            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2231             (tp->nvram_jedecnum == JEDEC_ATMEL))
2232
2233                 addr = ((addr / tp->nvram_pagesize) <<
2234                         ATMEL_AT45DB0X1B_PAGE_POS) +
2235                        (addr % tp->nvram_pagesize);
2236
2237         return addr;
2238 }
2239
2240 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2241 {
2242         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2243             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2244             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2245            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2246             (tp->nvram_jedecnum == JEDEC_ATMEL))
2247
2248                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2249                         tp->nvram_pagesize) +
2250                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2251
2252         return addr;
2253 }
2254
2255 /* NOTE: Data read in from NVRAM is byteswapped according to
2256  * the byteswapping settings for all other register accesses.
2257  * tg3 devices are BE devices, so on a BE machine, the data
2258  * returned will be exactly as it is seen in NVRAM.  On a LE
2259  * machine, the 32-bit value will be byteswapped.
2260  */
2261 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2262 {
2263         int ret;
2264
2265         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2266                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2267
2268         offset = tg3_nvram_phys_addr(tp, offset);
2269
2270         if (offset > NVRAM_ADDR_MSK)
2271                 return -EINVAL;
2272
2273         ret = tg3_nvram_lock(tp);
2274         if (ret)
2275                 return ret;
2276
2277         tg3_enable_nvram_access(tp);
2278
2279         tw32(NVRAM_ADDR, offset);
2280         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2281                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2282
2283         if (ret == 0)
2284                 *val = tr32(NVRAM_RDDATA);
2285
2286         tg3_disable_nvram_access(tp);
2287
2288         tg3_nvram_unlock(tp);
2289
2290         return ret;
2291 }
2292
2293 /* Ensures NVRAM data is in bytestream format. */
2294 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2295 {
2296         u32 v;
2297         int res = tg3_nvram_read(tp, offset, &v);
2298         if (!res)
2299                 *val = cpu_to_be32(v);
2300         return res;
2301 }
2302
2303 /* tp->lock is held. */
2304 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2305 {
2306         u32 addr_high, addr_low;
2307         int i;
2308
2309         addr_high = ((tp->dev->dev_addr[0] << 8) |
2310                      tp->dev->dev_addr[1]);
2311         addr_low = ((tp->dev->dev_addr[2] << 24) |
2312                     (tp->dev->dev_addr[3] << 16) |
2313                     (tp->dev->dev_addr[4] <<  8) |
2314                     (tp->dev->dev_addr[5] <<  0));
2315         for (i = 0; i < 4; i++) {
2316                 if (i == 1 && skip_mac_1)
2317                         continue;
2318                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2319                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2320         }
2321
2322         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2323             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2324                 for (i = 0; i < 12; i++) {
2325                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2326                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2327                 }
2328         }
2329
2330         addr_high = (tp->dev->dev_addr[0] +
2331                      tp->dev->dev_addr[1] +
2332                      tp->dev->dev_addr[2] +
2333                      tp->dev->dev_addr[3] +
2334                      tp->dev->dev_addr[4] +
2335                      tp->dev->dev_addr[5]) &
2336                 TX_BACKOFF_SEED_MASK;
2337         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2338 }
2339
2340 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2341 {
2342         u32 misc_host_ctrl;
2343         bool device_should_wake, do_low_power;
2344
2345         /* Make sure register accesses (indirect or otherwise)
2346          * will function correctly.
2347          */
2348         pci_write_config_dword(tp->pdev,
2349                                TG3PCI_MISC_HOST_CTRL,
2350                                tp->misc_host_ctrl);
2351
2352         switch (state) {
2353         case PCI_D0:
2354                 pci_enable_wake(tp->pdev, state, false);
2355                 pci_set_power_state(tp->pdev, PCI_D0);
2356
2357                 /* Switch out of Vaux if it is a NIC */
2358                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2359                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2360
2361                 return 0;
2362
2363         case PCI_D1:
2364         case PCI_D2:
2365         case PCI_D3hot:
2366                 break;
2367
2368         default:
2369                 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2370                         tp->dev->name, state);
2371                 return -EINVAL;
2372         }
2373
2374         /* Restore the CLKREQ setting. */
2375         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2376                 u16 lnkctl;
2377
2378                 pci_read_config_word(tp->pdev,
2379                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2380                                      &lnkctl);
2381                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2382                 pci_write_config_word(tp->pdev,
2383                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2384                                       lnkctl);
2385         }
2386
2387         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2388         tw32(TG3PCI_MISC_HOST_CTRL,
2389              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2390
2391         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2392                              device_may_wakeup(&tp->pdev->dev) &&
2393                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2394
2395         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2396                 do_low_power = false;
2397                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2398                     !tp->link_config.phy_is_low_power) {
2399                         struct phy_device *phydev;
2400                         u32 phyid, advertising;
2401
2402                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
2403
2404                         tp->link_config.phy_is_low_power = 1;
2405
2406                         tp->link_config.orig_speed = phydev->speed;
2407                         tp->link_config.orig_duplex = phydev->duplex;
2408                         tp->link_config.orig_autoneg = phydev->autoneg;
2409                         tp->link_config.orig_advertising = phydev->advertising;
2410
2411                         advertising = ADVERTISED_TP |
2412                                       ADVERTISED_Pause |
2413                                       ADVERTISED_Autoneg |
2414                                       ADVERTISED_10baseT_Half;
2415
2416                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2417                             device_should_wake) {
2418                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2419                                         advertising |=
2420                                                 ADVERTISED_100baseT_Half |
2421                                                 ADVERTISED_100baseT_Full |
2422                                                 ADVERTISED_10baseT_Full;
2423                                 else
2424                                         advertising |= ADVERTISED_10baseT_Full;
2425                         }
2426
2427                         phydev->advertising = advertising;
2428
2429                         phy_start_aneg(phydev);
2430
2431                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2432                         if (phyid != TG3_PHY_ID_BCMAC131) {
2433                                 phyid &= TG3_PHY_OUI_MASK;
2434                                 if (phyid == TG3_PHY_OUI_1 ||
2435                                     phyid == TG3_PHY_OUI_2 ||
2436                                     phyid == TG3_PHY_OUI_3)
2437                                         do_low_power = true;
2438                         }
2439                 }
2440         } else {
2441                 do_low_power = true;
2442
2443                 if (tp->link_config.phy_is_low_power == 0) {
2444                         tp->link_config.phy_is_low_power = 1;
2445                         tp->link_config.orig_speed = tp->link_config.speed;
2446                         tp->link_config.orig_duplex = tp->link_config.duplex;
2447                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2448                 }
2449
2450                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2451                         tp->link_config.speed = SPEED_10;
2452                         tp->link_config.duplex = DUPLEX_HALF;
2453                         tp->link_config.autoneg = AUTONEG_ENABLE;
2454                         tg3_setup_phy(tp, 0);
2455                 }
2456         }
2457
2458         __tg3_set_mac_addr(tp, 0);
2459
2460         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2461                 u32 val;
2462
2463                 val = tr32(GRC_VCPU_EXT_CTRL);
2464                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2465         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2466                 int i;
2467                 u32 val;
2468
2469                 for (i = 0; i < 200; i++) {
2470                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2471                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2472                                 break;
2473                         msleep(1);
2474                 }
2475         }
2476         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2477                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2478                                                      WOL_DRV_STATE_SHUTDOWN |
2479                                                      WOL_DRV_WOL |
2480                                                      WOL_SET_MAGIC_PKT);
2481
2482         if (device_should_wake) {
2483                 u32 mac_mode;
2484
2485                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2486                         if (do_low_power) {
2487                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2488                                 udelay(40);
2489                         }
2490
2491                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2492                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2493                         else
2494                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2495
2496                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2497                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2498                             ASIC_REV_5700) {
2499                                 u32 speed = (tp->tg3_flags &
2500                                              TG3_FLAG_WOL_SPEED_100MB) ?
2501                                              SPEED_100 : SPEED_10;
2502                                 if (tg3_5700_link_polarity(tp, speed))
2503                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2504                                 else
2505                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2506                         }
2507                 } else {
2508                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2509                 }
2510
2511                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2512                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2513
2514                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2515                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2516                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2517                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2518                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2519                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2520
2521                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2522                         mac_mode |= tp->mac_mode &
2523                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2524                         if (mac_mode & MAC_MODE_APE_TX_EN)
2525                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2526                 }
2527
2528                 tw32_f(MAC_MODE, mac_mode);
2529                 udelay(100);
2530
2531                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2532                 udelay(10);
2533         }
2534
2535         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2536             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2537              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2538                 u32 base_val;
2539
2540                 base_val = tp->pci_clock_ctrl;
2541                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2542                              CLOCK_CTRL_TXCLK_DISABLE);
2543
2544                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2545                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2546         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2547                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2548                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2549                 /* do nothing */
2550         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2551                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2552                 u32 newbits1, newbits2;
2553
2554                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2555                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2556                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2557                                     CLOCK_CTRL_TXCLK_DISABLE |
2558                                     CLOCK_CTRL_ALTCLK);
2559                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2560                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2561                         newbits1 = CLOCK_CTRL_625_CORE;
2562                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2563                 } else {
2564                         newbits1 = CLOCK_CTRL_ALTCLK;
2565                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2566                 }
2567
2568                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2569                             40);
2570
2571                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2572                             40);
2573
2574                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2575                         u32 newbits3;
2576
2577                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2578                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2579                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2580                                             CLOCK_CTRL_TXCLK_DISABLE |
2581                                             CLOCK_CTRL_44MHZ_CORE);
2582                         } else {
2583                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2584                         }
2585
2586                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2587                                     tp->pci_clock_ctrl | newbits3, 40);
2588                 }
2589         }
2590
2591         if (!(device_should_wake) &&
2592             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2593                 tg3_power_down_phy(tp, do_low_power);
2594
2595         tg3_frob_aux_power(tp);
2596
2597         /* Workaround for unstable PLL clock */
2598         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2599             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2600                 u32 val = tr32(0x7d00);
2601
2602                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2603                 tw32(0x7d00, val);
2604                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2605                         int err;
2606
2607                         err = tg3_nvram_lock(tp);
2608                         tg3_halt_cpu(tp, RX_CPU_BASE);
2609                         if (!err)
2610                                 tg3_nvram_unlock(tp);
2611                 }
2612         }
2613
2614         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2615
2616         if (device_should_wake)
2617                 pci_enable_wake(tp->pdev, state, true);
2618
2619         /* Finally, set the new power state. */
2620         pci_set_power_state(tp->pdev, state);
2621
2622         return 0;
2623 }
2624
2625 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2626 {
2627         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2628         case MII_TG3_AUX_STAT_10HALF:
2629                 *speed = SPEED_10;
2630                 *duplex = DUPLEX_HALF;
2631                 break;
2632
2633         case MII_TG3_AUX_STAT_10FULL:
2634                 *speed = SPEED_10;
2635                 *duplex = DUPLEX_FULL;
2636                 break;
2637
2638         case MII_TG3_AUX_STAT_100HALF:
2639                 *speed = SPEED_100;
2640                 *duplex = DUPLEX_HALF;
2641                 break;
2642
2643         case MII_TG3_AUX_STAT_100FULL:
2644                 *speed = SPEED_100;
2645                 *duplex = DUPLEX_FULL;
2646                 break;
2647
2648         case MII_TG3_AUX_STAT_1000HALF:
2649                 *speed = SPEED_1000;
2650                 *duplex = DUPLEX_HALF;
2651                 break;
2652
2653         case MII_TG3_AUX_STAT_1000FULL:
2654                 *speed = SPEED_1000;
2655                 *duplex = DUPLEX_FULL;
2656                 break;
2657
2658         default:
2659                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2660                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2661                                  SPEED_10;
2662                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2663                                   DUPLEX_HALF;
2664                         break;
2665                 }
2666                 *speed = SPEED_INVALID;
2667                 *duplex = DUPLEX_INVALID;
2668                 break;
2669         }
2670 }
2671
2672 static void tg3_phy_copper_begin(struct tg3 *tp)
2673 {
2674         u32 new_adv;
2675         int i;
2676
2677         if (tp->link_config.phy_is_low_power) {
2678                 /* Entering low power mode.  Disable gigabit and
2679                  * 100baseT advertisements.
2680                  */
2681                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2682
2683                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2684                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2685                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2686                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2687
2688                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2689         } else if (tp->link_config.speed == SPEED_INVALID) {
2690                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2691                         tp->link_config.advertising &=
2692                                 ~(ADVERTISED_1000baseT_Half |
2693                                   ADVERTISED_1000baseT_Full);
2694
2695                 new_adv = ADVERTISE_CSMA;
2696                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2697                         new_adv |= ADVERTISE_10HALF;
2698                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2699                         new_adv |= ADVERTISE_10FULL;
2700                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2701                         new_adv |= ADVERTISE_100HALF;
2702                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2703                         new_adv |= ADVERTISE_100FULL;
2704
2705                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2706
2707                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2708
2709                 if (tp->link_config.advertising &
2710                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2711                         new_adv = 0;
2712                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2713                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2714                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2715                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2716                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2717                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2718                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2719                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2720                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2721                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2722                 } else {
2723                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2724                 }
2725         } else {
2726                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2727                 new_adv |= ADVERTISE_CSMA;
2728
2729                 /* Asking for a specific link mode. */
2730                 if (tp->link_config.speed == SPEED_1000) {
2731                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2732
2733                         if (tp->link_config.duplex == DUPLEX_FULL)
2734                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2735                         else
2736                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2737                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2738                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2739                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2740                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2741                 } else {
2742                         if (tp->link_config.speed == SPEED_100) {
2743                                 if (tp->link_config.duplex == DUPLEX_FULL)
2744                                         new_adv |= ADVERTISE_100FULL;
2745                                 else
2746                                         new_adv |= ADVERTISE_100HALF;
2747                         } else {
2748                                 if (tp->link_config.duplex == DUPLEX_FULL)
2749                                         new_adv |= ADVERTISE_10FULL;
2750                                 else
2751                                         new_adv |= ADVERTISE_10HALF;
2752                         }
2753                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2754
2755                         new_adv = 0;
2756                 }
2757
2758                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2759         }
2760
2761         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2762             tp->link_config.speed != SPEED_INVALID) {
2763                 u32 bmcr, orig_bmcr;
2764
2765                 tp->link_config.active_speed = tp->link_config.speed;
2766                 tp->link_config.active_duplex = tp->link_config.duplex;
2767
2768                 bmcr = 0;
2769                 switch (tp->link_config.speed) {
2770                 default:
2771                 case SPEED_10:
2772                         break;
2773
2774                 case SPEED_100:
2775                         bmcr |= BMCR_SPEED100;
2776                         break;
2777
2778                 case SPEED_1000:
2779                         bmcr |= TG3_BMCR_SPEED1000;
2780                         break;
2781                 }
2782
2783                 if (tp->link_config.duplex == DUPLEX_FULL)
2784                         bmcr |= BMCR_FULLDPLX;
2785
2786                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2787                     (bmcr != orig_bmcr)) {
2788                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2789                         for (i = 0; i < 1500; i++) {
2790                                 u32 tmp;
2791
2792                                 udelay(10);
2793                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2794                                     tg3_readphy(tp, MII_BMSR, &tmp))
2795                                         continue;
2796                                 if (!(tmp & BMSR_LSTATUS)) {
2797                                         udelay(40);
2798                                         break;
2799                                 }
2800                         }
2801                         tg3_writephy(tp, MII_BMCR, bmcr);
2802                         udelay(40);
2803                 }
2804         } else {
2805                 tg3_writephy(tp, MII_BMCR,
2806                              BMCR_ANENABLE | BMCR_ANRESTART);
2807         }
2808 }
2809
2810 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2811 {
2812         int err;
2813
2814         /* Turn off tap power management. */
2815         /* Set Extended packet length bit */
2816         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2817
2818         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2819         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2820
2821         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2822         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2823
2824         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2825         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2826
2827         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2828         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2829
2830         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2831         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2832
2833         udelay(40);
2834
2835         return err;
2836 }
2837
2838 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2839 {
2840         u32 adv_reg, all_mask = 0;
2841
2842         if (mask & ADVERTISED_10baseT_Half)
2843                 all_mask |= ADVERTISE_10HALF;
2844         if (mask & ADVERTISED_10baseT_Full)
2845                 all_mask |= ADVERTISE_10FULL;
2846         if (mask & ADVERTISED_100baseT_Half)
2847                 all_mask |= ADVERTISE_100HALF;
2848         if (mask & ADVERTISED_100baseT_Full)
2849                 all_mask |= ADVERTISE_100FULL;
2850
2851         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2852                 return 0;
2853
2854         if ((adv_reg & all_mask) != all_mask)
2855                 return 0;
2856         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2857                 u32 tg3_ctrl;
2858
2859                 all_mask = 0;
2860                 if (mask & ADVERTISED_1000baseT_Half)
2861                         all_mask |= ADVERTISE_1000HALF;
2862                 if (mask & ADVERTISED_1000baseT_Full)
2863                         all_mask |= ADVERTISE_1000FULL;
2864
2865                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2866                         return 0;
2867
2868                 if ((tg3_ctrl & all_mask) != all_mask)
2869                         return 0;
2870         }
2871         return 1;
2872 }
2873
2874 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2875 {
2876         u32 curadv, reqadv;
2877
2878         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2879                 return 1;
2880
2881         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2882         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2883
2884         if (tp->link_config.active_duplex == DUPLEX_FULL) {
2885                 if (curadv != reqadv)
2886                         return 0;
2887
2888                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2889                         tg3_readphy(tp, MII_LPA, rmtadv);
2890         } else {
2891                 /* Reprogram the advertisement register, even if it
2892                  * does not affect the current link.  If the link
2893                  * gets renegotiated in the future, we can save an
2894                  * additional renegotiation cycle by advertising
2895                  * it correctly in the first place.
2896                  */
2897                 if (curadv != reqadv) {
2898                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
2899                                      ADVERTISE_PAUSE_ASYM);
2900                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
2901                 }
2902         }
2903
2904         return 1;
2905 }
2906
2907 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
2908 {
2909         int current_link_up;
2910         u32 bmsr, dummy;
2911         u32 lcl_adv, rmt_adv;
2912         u16 current_speed;
2913         u8 current_duplex;
2914         int i, err;
2915
2916         tw32(MAC_EVENT, 0);
2917
2918         tw32_f(MAC_STATUS,
2919              (MAC_STATUS_SYNC_CHANGED |
2920               MAC_STATUS_CFG_CHANGED |
2921               MAC_STATUS_MI_COMPLETION |
2922               MAC_STATUS_LNKSTATE_CHANGED));
2923         udelay(40);
2924
2925         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
2926                 tw32_f(MAC_MI_MODE,
2927                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
2928                 udelay(80);
2929         }
2930
2931         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
2932
2933         /* Some third-party PHYs need to be reset on link going
2934          * down.
2935          */
2936         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2937              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2938              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
2939             netif_carrier_ok(tp->dev)) {
2940                 tg3_readphy(tp, MII_BMSR, &bmsr);
2941                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2942                     !(bmsr & BMSR_LSTATUS))
2943                         force_reset = 1;
2944         }
2945         if (force_reset)
2946                 tg3_phy_reset(tp);
2947
2948         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
2949                 tg3_readphy(tp, MII_BMSR, &bmsr);
2950                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
2951                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
2952                         bmsr = 0;
2953
2954                 if (!(bmsr & BMSR_LSTATUS)) {
2955                         err = tg3_init_5401phy_dsp(tp);
2956                         if (err)
2957                                 return err;
2958
2959                         tg3_readphy(tp, MII_BMSR, &bmsr);
2960                         for (i = 0; i < 1000; i++) {
2961                                 udelay(10);
2962                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2963                                     (bmsr & BMSR_LSTATUS)) {
2964                                         udelay(40);
2965                                         break;
2966                                 }
2967                         }
2968
2969                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
2970                             !(bmsr & BMSR_LSTATUS) &&
2971                             tp->link_config.active_speed == SPEED_1000) {
2972                                 err = tg3_phy_reset(tp);
2973                                 if (!err)
2974                                         err = tg3_init_5401phy_dsp(tp);
2975                                 if (err)
2976                                         return err;
2977                         }
2978                 }
2979         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2980                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
2981                 /* 5701 {A0,B0} CRC bug workaround */
2982                 tg3_writephy(tp, 0x15, 0x0a75);
2983                 tg3_writephy(tp, 0x1c, 0x8c68);
2984                 tg3_writephy(tp, 0x1c, 0x8d68);
2985                 tg3_writephy(tp, 0x1c, 0x8c68);
2986         }
2987
2988         /* Clear pending interrupts... */
2989         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2990         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2991
2992         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
2993                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
2994         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
2995                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
2996
2997         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2998             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2999                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3000                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
3001                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3002                 else
3003                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3004         }
3005
3006         current_link_up = 0;
3007         current_speed = SPEED_INVALID;
3008         current_duplex = DUPLEX_INVALID;
3009
3010         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3011                 u32 val;
3012
3013                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3014                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3015                 if (!(val & (1 << 10))) {
3016                         val |= (1 << 10);
3017                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3018                         goto relink;
3019                 }
3020         }
3021
3022         bmsr = 0;
3023         for (i = 0; i < 100; i++) {
3024                 tg3_readphy(tp, MII_BMSR, &bmsr);
3025                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3026                     (bmsr & BMSR_LSTATUS))
3027                         break;
3028                 udelay(40);
3029         }
3030
3031         if (bmsr & BMSR_LSTATUS) {
3032                 u32 aux_stat, bmcr;
3033
3034                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3035                 for (i = 0; i < 2000; i++) {
3036                         udelay(10);
3037                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3038                             aux_stat)
3039                                 break;
3040                 }
3041
3042                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3043                                              &current_speed,
3044                                              &current_duplex);
3045
3046                 bmcr = 0;
3047                 for (i = 0; i < 200; i++) {
3048                         tg3_readphy(tp, MII_BMCR, &bmcr);
3049                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3050                                 continue;
3051                         if (bmcr && bmcr != 0x7fff)
3052                                 break;
3053                         udelay(10);
3054                 }
3055
3056                 lcl_adv = 0;
3057                 rmt_adv = 0;
3058
3059                 tp->link_config.active_speed = current_speed;
3060                 tp->link_config.active_duplex = current_duplex;
3061
3062                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3063                         if ((bmcr & BMCR_ANENABLE) &&
3064                             tg3_copper_is_advertising_all(tp,
3065                                                 tp->link_config.advertising)) {
3066                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3067                                                                   &rmt_adv))
3068                                         current_link_up = 1;
3069                         }
3070                 } else {
3071                         if (!(bmcr & BMCR_ANENABLE) &&
3072                             tp->link_config.speed == current_speed &&
3073                             tp->link_config.duplex == current_duplex &&
3074                             tp->link_config.flowctrl ==
3075                             tp->link_config.active_flowctrl) {
3076                                 current_link_up = 1;
3077                         }
3078                 }
3079
3080                 if (current_link_up == 1 &&
3081                     tp->link_config.active_duplex == DUPLEX_FULL)
3082                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3083         }
3084
3085 relink:
3086         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3087                 u32 tmp;
3088
3089                 tg3_phy_copper_begin(tp);
3090
3091                 tg3_readphy(tp, MII_BMSR, &tmp);
3092                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3093                     (tmp & BMSR_LSTATUS))
3094                         current_link_up = 1;
3095         }
3096
3097         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3098         if (current_link_up == 1) {
3099                 if (tp->link_config.active_speed == SPEED_100 ||
3100                     tp->link_config.active_speed == SPEED_10)
3101                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3102                 else
3103                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3104         } else
3105                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3106
3107         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3108         if (tp->link_config.active_duplex == DUPLEX_HALF)
3109                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3110
3111         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3112                 if (current_link_up == 1 &&
3113                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3114                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3115                 else
3116                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3117         }
3118
3119         /* ??? Without this setting Netgear GA302T PHY does not
3120          * ??? send/receive packets...
3121          */
3122         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3123             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3124                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3125                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3126                 udelay(80);
3127         }
3128
3129         tw32_f(MAC_MODE, tp->mac_mode);
3130         udelay(40);
3131
3132         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3133                 /* Polled via timer. */
3134                 tw32_f(MAC_EVENT, 0);
3135         } else {
3136                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3137         }
3138         udelay(40);
3139
3140         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3141             current_link_up == 1 &&
3142             tp->link_config.active_speed == SPEED_1000 &&
3143             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3144              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3145                 udelay(120);
3146                 tw32_f(MAC_STATUS,
3147                      (MAC_STATUS_SYNC_CHANGED |
3148                       MAC_STATUS_CFG_CHANGED));
3149                 udelay(40);
3150                 tg3_write_mem(tp,
3151                               NIC_SRAM_FIRMWARE_MBOX,
3152                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3153         }
3154
3155         /* Prevent send BD corruption. */
3156         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3157                 u16 oldlnkctl, newlnkctl;
3158
3159                 pci_read_config_word(tp->pdev,
3160                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3161                                      &oldlnkctl);
3162                 if (tp->link_config.active_speed == SPEED_100 ||
3163                     tp->link_config.active_speed == SPEED_10)
3164                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3165                 else
3166                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3167                 if (newlnkctl != oldlnkctl)
3168                         pci_write_config_word(tp->pdev,
3169                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3170                                               newlnkctl);
3171         }
3172
3173         if (current_link_up != netif_carrier_ok(tp->dev)) {
3174                 if (current_link_up)
3175                         netif_carrier_on(tp->dev);
3176                 else
3177                         netif_carrier_off(tp->dev);
3178                 tg3_link_report(tp);
3179         }
3180
3181         return 0;
3182 }
3183
3184 struct tg3_fiber_aneginfo {
3185         int state;
3186 #define ANEG_STATE_UNKNOWN              0
3187 #define ANEG_STATE_AN_ENABLE            1
3188 #define ANEG_STATE_RESTART_INIT         2
3189 #define ANEG_STATE_RESTART              3
3190 #define ANEG_STATE_DISABLE_LINK_OK      4
3191 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3192 #define ANEG_STATE_ABILITY_DETECT       6
3193 #define ANEG_STATE_ACK_DETECT_INIT      7
3194 #define ANEG_STATE_ACK_DETECT           8
3195 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3196 #define ANEG_STATE_COMPLETE_ACK         10
3197 #define ANEG_STATE_IDLE_DETECT_INIT     11
3198 #define ANEG_STATE_IDLE_DETECT          12
3199 #define ANEG_STATE_LINK_OK              13
3200 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3201 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3202
3203         u32 flags;
3204 #define MR_AN_ENABLE            0x00000001
3205 #define MR_RESTART_AN           0x00000002
3206 #define MR_AN_COMPLETE          0x00000004
3207 #define MR_PAGE_RX              0x00000008
3208 #define MR_NP_LOADED            0x00000010
3209 #define MR_TOGGLE_TX            0x00000020
3210 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3211 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3212 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3213 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3214 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3215 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3216 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3217 #define MR_TOGGLE_RX            0x00002000
3218 #define MR_NP_RX                0x00004000
3219
3220 #define MR_LINK_OK              0x80000000
3221
3222         unsigned long link_time, cur_time;
3223
3224         u32 ability_match_cfg;
3225         int ability_match_count;
3226
3227         char ability_match, idle_match, ack_match;
3228
3229         u32 txconfig, rxconfig;
3230 #define ANEG_CFG_NP             0x00000080
3231 #define ANEG_CFG_ACK            0x00000040
3232 #define ANEG_CFG_RF2            0x00000020
3233 #define ANEG_CFG_RF1            0x00000010
3234 #define ANEG_CFG_PS2            0x00000001
3235 #define ANEG_CFG_PS1            0x00008000
3236 #define ANEG_CFG_HD             0x00004000
3237 #define ANEG_CFG_FD             0x00002000
3238 #define ANEG_CFG_INVAL          0x00001f06
3239
3240 };
3241 #define ANEG_OK         0
3242 #define ANEG_DONE       1
3243 #define ANEG_TIMER_ENAB 2
3244 #define ANEG_FAILED     -1
3245
3246 #define ANEG_STATE_SETTLE_TIME  10000
3247
3248 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3249                                    struct tg3_fiber_aneginfo *ap)
3250 {
3251         u16 flowctrl;
3252         unsigned long delta;
3253         u32 rx_cfg_reg;
3254         int ret;
3255
3256         if (ap->state == ANEG_STATE_UNKNOWN) {
3257                 ap->rxconfig = 0;
3258                 ap->link_time = 0;
3259                 ap->cur_time = 0;
3260                 ap->ability_match_cfg = 0;
3261                 ap->ability_match_count = 0;
3262                 ap->ability_match = 0;
3263                 ap->idle_match = 0;
3264                 ap->ack_match = 0;
3265         }
3266         ap->cur_time++;
3267
3268         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3269                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3270
3271                 if (rx_cfg_reg != ap->ability_match_cfg) {
3272                         ap->ability_match_cfg = rx_cfg_reg;
3273                         ap->ability_match = 0;
3274                         ap->ability_match_count = 0;
3275                 } else {
3276                         if (++ap->ability_match_count > 1) {
3277                                 ap->ability_match = 1;
3278                                 ap->ability_match_cfg = rx_cfg_reg;
3279                         }
3280                 }
3281                 if (rx_cfg_reg & ANEG_CFG_ACK)
3282                         ap->ack_match = 1;
3283                 else
3284                         ap->ack_match = 0;
3285
3286                 ap->idle_match = 0;
3287         } else {
3288                 ap->idle_match = 1;
3289                 ap->ability_match_cfg = 0;
3290                 ap->ability_match_count = 0;
3291                 ap->ability_match = 0;
3292                 ap->ack_match = 0;
3293
3294                 rx_cfg_reg = 0;
3295         }
3296
3297         ap->rxconfig = rx_cfg_reg;
3298         ret = ANEG_OK;
3299
3300         switch(ap->state) {
3301         case ANEG_STATE_UNKNOWN:
3302                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3303                         ap->state = ANEG_STATE_AN_ENABLE;
3304
3305                 /* fallthru */
3306         case ANEG_STATE_AN_ENABLE:
3307                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3308                 if (ap->flags & MR_AN_ENABLE) {
3309                         ap->link_time = 0;
3310                         ap->cur_time = 0;
3311                         ap->ability_match_cfg = 0;
3312                         ap->ability_match_count = 0;
3313                         ap->ability_match = 0;
3314                         ap->idle_match = 0;
3315                         ap->ack_match = 0;
3316
3317                         ap->state = ANEG_STATE_RESTART_INIT;
3318                 } else {
3319                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3320                 }
3321                 break;
3322
3323         case ANEG_STATE_RESTART_INIT:
3324                 ap->link_time = ap->cur_time;
3325                 ap->flags &= ~(MR_NP_LOADED);
3326                 ap->txconfig = 0;
3327                 tw32(MAC_TX_AUTO_NEG, 0);
3328                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3329                 tw32_f(MAC_MODE, tp->mac_mode);
3330                 udelay(40);
3331
3332                 ret = ANEG_TIMER_ENAB;
3333                 ap->state = ANEG_STATE_RESTART;
3334
3335                 /* fallthru */
3336         case ANEG_STATE_RESTART:
3337                 delta = ap->cur_time - ap->link_time;
3338                 if (delta > ANEG_STATE_SETTLE_TIME) {
3339                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3340                 } else {
3341                         ret = ANEG_TIMER_ENAB;
3342                 }
3343                 break;
3344
3345         case ANEG_STATE_DISABLE_LINK_OK:
3346                 ret = ANEG_DONE;
3347                 break;
3348
3349         case ANEG_STATE_ABILITY_DETECT_INIT:
3350                 ap->flags &= ~(MR_TOGGLE_TX);
3351                 ap->txconfig = ANEG_CFG_FD;
3352                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3353                 if (flowctrl & ADVERTISE_1000XPAUSE)
3354                         ap->txconfig |= ANEG_CFG_PS1;
3355                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3356                         ap->txconfig |= ANEG_CFG_PS2;
3357                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3358                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3359                 tw32_f(MAC_MODE, tp->mac_mode);
3360                 udelay(40);
3361
3362                 ap->state = ANEG_STATE_ABILITY_DETECT;
3363                 break;
3364
3365         case ANEG_STATE_ABILITY_DETECT:
3366                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3367                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3368                 }
3369                 break;
3370
3371         case ANEG_STATE_ACK_DETECT_INIT:
3372                 ap->txconfig |= ANEG_CFG_ACK;
3373                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3374                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3375                 tw32_f(MAC_MODE, tp->mac_mode);
3376                 udelay(40);
3377
3378                 ap->state = ANEG_STATE_ACK_DETECT;
3379
3380                 /* fallthru */
3381         case ANEG_STATE_ACK_DETECT:
3382                 if (ap->ack_match != 0) {
3383                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3384                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3385                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3386                         } else {
3387                                 ap->state = ANEG_STATE_AN_ENABLE;
3388                         }
3389                 } else if (ap->ability_match != 0 &&
3390                            ap->rxconfig == 0) {
3391                         ap->state = ANEG_STATE_AN_ENABLE;
3392                 }
3393                 break;
3394
3395         case ANEG_STATE_COMPLETE_ACK_INIT:
3396                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3397                         ret = ANEG_FAILED;
3398                         break;
3399                 }
3400                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3401                                MR_LP_ADV_HALF_DUPLEX |
3402                                MR_LP_ADV_SYM_PAUSE |
3403                                MR_LP_ADV_ASYM_PAUSE |
3404                                MR_LP_ADV_REMOTE_FAULT1 |
3405                                MR_LP_ADV_REMOTE_FAULT2 |
3406                                MR_LP_ADV_NEXT_PAGE |
3407                                MR_TOGGLE_RX |
3408                                MR_NP_RX);
3409                 if (ap->rxconfig & ANEG_CFG_FD)
3410                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3411                 if (ap->rxconfig & ANEG_CFG_HD)
3412                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3413                 if (ap->rxconfig & ANEG_CFG_PS1)
3414                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3415                 if (ap->rxconfig & ANEG_CFG_PS2)
3416                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3417                 if (ap->rxconfig & ANEG_CFG_RF1)
3418                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3419                 if (ap->rxconfig & ANEG_CFG_RF2)
3420                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3421                 if (ap->rxconfig & ANEG_CFG_NP)
3422                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3423
3424                 ap->link_time = ap->cur_time;
3425
3426                 ap->flags ^= (MR_TOGGLE_TX);
3427                 if (ap->rxconfig & 0x0008)
3428                         ap->flags |= MR_TOGGLE_RX;
3429                 if (ap->rxconfig & ANEG_CFG_NP)
3430                         ap->flags |= MR_NP_RX;
3431                 ap->flags |= MR_PAGE_RX;
3432
3433                 ap->state = ANEG_STATE_COMPLETE_ACK;
3434                 ret = ANEG_TIMER_ENAB;
3435                 break;
3436
3437         case ANEG_STATE_COMPLETE_ACK:
3438                 if (ap->ability_match != 0 &&
3439                     ap->rxconfig == 0) {
3440                         ap->state = ANEG_STATE_AN_ENABLE;
3441                         break;
3442                 }
3443                 delta = ap->cur_time - ap->link_time;
3444                 if (delta > ANEG_STATE_SETTLE_TIME) {
3445                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3446                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3447                         } else {
3448                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3449                                     !(ap->flags & MR_NP_RX)) {
3450                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3451                                 } else {
3452                                         ret = ANEG_FAILED;
3453                                 }
3454                         }
3455                 }
3456                 break;
3457
3458         case ANEG_STATE_IDLE_DETECT_INIT:
3459                 ap->link_time = ap->cur_time;
3460                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3461                 tw32_f(MAC_MODE, tp->mac_mode);
3462                 udelay(40);
3463
3464                 ap->state = ANEG_STATE_IDLE_DETECT;
3465                 ret = ANEG_TIMER_ENAB;
3466                 break;
3467
3468         case ANEG_STATE_IDLE_DETECT:
3469                 if (ap->ability_match != 0 &&
3470                     ap->rxconfig == 0) {
3471                         ap->state = ANEG_STATE_AN_ENABLE;
3472                         break;
3473                 }
3474                 delta = ap->cur_time - ap->link_time;
3475                 if (delta > ANEG_STATE_SETTLE_TIME) {
3476                         /* XXX another gem from the Broadcom driver :( */
3477                         ap->state = ANEG_STATE_LINK_OK;
3478                 }
3479                 break;
3480
3481         case ANEG_STATE_LINK_OK:
3482                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3483                 ret = ANEG_DONE;
3484                 break;
3485
3486         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3487                 /* ??? unimplemented */
3488                 break;
3489
3490         case ANEG_STATE_NEXT_PAGE_WAIT:
3491                 /* ??? unimplemented */
3492                 break;
3493
3494         default:
3495                 ret = ANEG_FAILED;
3496                 break;
3497         }
3498
3499         return ret;
3500 }
3501
3502 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3503 {
3504         int res = 0;
3505         struct tg3_fiber_aneginfo aninfo;
3506         int status = ANEG_FAILED;
3507         unsigned int tick;
3508         u32 tmp;
3509
3510         tw32_f(MAC_TX_AUTO_NEG, 0);
3511
3512         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3513         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3514         udelay(40);
3515
3516         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3517         udelay(40);
3518
3519         memset(&aninfo, 0, sizeof(aninfo));
3520         aninfo.flags |= MR_AN_ENABLE;
3521         aninfo.state = ANEG_STATE_UNKNOWN;
3522         aninfo.cur_time = 0;
3523         tick = 0;
3524         while (++tick < 195000) {
3525                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3526                 if (status == ANEG_DONE || status == ANEG_FAILED)
3527                         break;
3528
3529                 udelay(1);
3530         }
3531
3532         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3533         tw32_f(MAC_MODE, tp->mac_mode);
3534         udelay(40);
3535
3536         *txflags = aninfo.txconfig;
3537         *rxflags = aninfo.flags;
3538
3539         if (status == ANEG_DONE &&
3540             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3541                              MR_LP_ADV_FULL_DUPLEX)))
3542                 res = 1;
3543
3544         return res;
3545 }
3546
3547 static void tg3_init_bcm8002(struct tg3 *tp)
3548 {
3549         u32 mac_status = tr32(MAC_STATUS);
3550         int i;
3551
3552         /* Reset when initting first time or we have a link. */
3553         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3554             !(mac_status & MAC_STATUS_PCS_SYNCED))
3555                 return;
3556
3557         /* Set PLL lock range. */
3558         tg3_writephy(tp, 0x16, 0x8007);
3559
3560         /* SW reset */
3561         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3562
3563         /* Wait for reset to complete. */
3564         /* XXX schedule_timeout() ... */
3565         for (i = 0; i < 500; i++)
3566                 udelay(10);
3567
3568         /* Config mode; select PMA/Ch 1 regs. */
3569         tg3_writephy(tp, 0x10, 0x8411);
3570
3571         /* Enable auto-lock and comdet, select txclk for tx. */
3572         tg3_writephy(tp, 0x11, 0x0a10);
3573
3574         tg3_writephy(tp, 0x18, 0x00a0);
3575         tg3_writephy(tp, 0x16, 0x41ff);
3576
3577         /* Assert and deassert POR. */
3578         tg3_writephy(tp, 0x13, 0x0400);
3579         udelay(40);
3580         tg3_writephy(tp, 0x13, 0x0000);
3581
3582         tg3_writephy(tp, 0x11, 0x0a50);
3583         udelay(40);
3584         tg3_writephy(tp, 0x11, 0x0a10);
3585
3586         /* Wait for signal to stabilize */
3587         /* XXX schedule_timeout() ... */
3588         for (i = 0; i < 15000; i++)
3589                 udelay(10);
3590
3591         /* Deselect the channel register so we can read the PHYID
3592          * later.
3593          */
3594         tg3_writephy(tp, 0x10, 0x8011);
3595 }
3596
3597 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3598 {
3599         u16 flowctrl;
3600         u32 sg_dig_ctrl, sg_dig_status;
3601         u32 serdes_cfg, expected_sg_dig_ctrl;
3602         int workaround, port_a;
3603         int current_link_up;
3604
3605         serdes_cfg = 0;
3606         expected_sg_dig_ctrl = 0;
3607         workaround = 0;
3608         port_a = 1;
3609         current_link_up = 0;
3610
3611         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3612             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3613                 workaround = 1;
3614                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3615                         port_a = 0;
3616
3617                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3618                 /* preserve bits 20-23 for voltage regulator */
3619                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3620         }
3621
3622         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3623
3624         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3625                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3626                         if (workaround) {
3627                                 u32 val = serdes_cfg;
3628
3629                                 if (port_a)
3630                                         val |= 0xc010000;
3631                                 else
3632                                         val |= 0x4010000;
3633                                 tw32_f(MAC_SERDES_CFG, val);
3634                         }
3635
3636                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3637                 }
3638                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3639                         tg3_setup_flow_control(tp, 0, 0);
3640                         current_link_up = 1;
3641                 }
3642                 goto out;
3643         }
3644
3645         /* Want auto-negotiation.  */
3646         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3647
3648         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3649         if (flowctrl & ADVERTISE_1000XPAUSE)
3650                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3651         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3652                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3653
3654         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3655                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3656                     tp->serdes_counter &&
3657                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3658                                     MAC_STATUS_RCVD_CFG)) ==
3659                      MAC_STATUS_PCS_SYNCED)) {
3660                         tp->serdes_counter--;
3661                         current_link_up = 1;
3662                         goto out;
3663                 }
3664 restart_autoneg:
3665                 if (workaround)
3666                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3667                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3668                 udelay(5);
3669                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3670
3671                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3672                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3673         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3674                                  MAC_STATUS_SIGNAL_DET)) {
3675                 sg_dig_status = tr32(SG_DIG_STATUS);
3676                 mac_status = tr32(MAC_STATUS);
3677
3678                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3679                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3680                         u32 local_adv = 0, remote_adv = 0;
3681
3682                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3683                                 local_adv |= ADVERTISE_1000XPAUSE;
3684                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3685                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3686
3687                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3688                                 remote_adv |= LPA_1000XPAUSE;
3689                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3690                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3691
3692                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3693                         current_link_up = 1;
3694                         tp->serdes_counter = 0;
3695                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3696                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3697                         if (tp->serdes_counter)
3698                                 tp->serdes_counter--;
3699                         else {
3700                                 if (workaround) {
3701                                         u32 val = serdes_cfg;
3702
3703                                         if (port_a)
3704                                                 val |= 0xc010000;
3705                                         else
3706                                                 val |= 0x4010000;
3707
3708                                         tw32_f(MAC_SERDES_CFG, val);
3709                                 }
3710
3711                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3712                                 udelay(40);
3713
3714                                 /* Link parallel detection - link is up */
3715                                 /* only if we have PCS_SYNC and not */
3716                                 /* receiving config code words */
3717                                 mac_status = tr32(MAC_STATUS);
3718                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3719                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3720                                         tg3_setup_flow_control(tp, 0, 0);
3721                                         current_link_up = 1;
3722                                         tp->tg3_flags2 |=
3723                                                 TG3_FLG2_PARALLEL_DETECT;
3724                                         tp->serdes_counter =
3725                                                 SERDES_PARALLEL_DET_TIMEOUT;
3726                                 } else
3727                                         goto restart_autoneg;
3728                         }
3729                 }
3730         } else {
3731                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3732                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3733         }
3734
3735 out:
3736         return current_link_up;
3737 }
3738
3739 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3740 {
3741         int current_link_up = 0;
3742
3743         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3744                 goto out;
3745
3746         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3747                 u32 txflags, rxflags;
3748                 int i;
3749
3750                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3751                         u32 local_adv = 0, remote_adv = 0;
3752
3753                         if (txflags & ANEG_CFG_PS1)
3754                                 local_adv |= ADVERTISE_1000XPAUSE;
3755                         if (txflags & ANEG_CFG_PS2)
3756                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3757
3758                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3759                                 remote_adv |= LPA_1000XPAUSE;
3760                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3761                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3762
3763                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3764
3765                         current_link_up = 1;
3766                 }
3767                 for (i = 0; i < 30; i++) {
3768                         udelay(20);
3769                         tw32_f(MAC_STATUS,
3770                                (MAC_STATUS_SYNC_CHANGED |
3771                                 MAC_STATUS_CFG_CHANGED));
3772                         udelay(40);
3773                         if ((tr32(MAC_STATUS) &
3774                              (MAC_STATUS_SYNC_CHANGED |
3775                               MAC_STATUS_CFG_CHANGED)) == 0)
3776                                 break;
3777                 }
3778
3779                 mac_status = tr32(MAC_STATUS);
3780                 if (current_link_up == 0 &&
3781                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3782                     !(mac_status & MAC_STATUS_RCVD_CFG))
3783                         current_link_up = 1;
3784         } else {
3785                 tg3_setup_flow_control(tp, 0, 0);
3786
3787                 /* Forcing 1000FD link up. */
3788                 current_link_up = 1;
3789
3790                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3791                 udelay(40);
3792
3793                 tw32_f(MAC_MODE, tp->mac_mode);
3794                 udelay(40);
3795         }
3796
3797 out:
3798         return current_link_up;
3799 }
3800
3801 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3802 {
3803         u32 orig_pause_cfg;
3804         u16 orig_active_speed;
3805         u8 orig_active_duplex;
3806         u32 mac_status;
3807         int current_link_up;
3808         int i;
3809
3810         orig_pause_cfg = tp->link_config.active_flowctrl;
3811         orig_active_speed = tp->link_config.active_speed;
3812         orig_active_duplex = tp->link_config.active_duplex;
3813
3814         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3815             netif_carrier_ok(tp->dev) &&
3816             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3817                 mac_status = tr32(MAC_STATUS);
3818                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3819                                MAC_STATUS_SIGNAL_DET |
3820                                MAC_STATUS_CFG_CHANGED |
3821                                MAC_STATUS_RCVD_CFG);
3822                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3823                                    MAC_STATUS_SIGNAL_DET)) {
3824                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3825                                             MAC_STATUS_CFG_CHANGED));
3826                         return 0;
3827                 }
3828         }
3829
3830         tw32_f(MAC_TX_AUTO_NEG, 0);
3831
3832         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3833         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3834         tw32_f(MAC_MODE, tp->mac_mode);
3835         udelay(40);
3836
3837         if (tp->phy_id == PHY_ID_BCM8002)
3838                 tg3_init_bcm8002(tp);
3839
3840         /* Enable link change event even when serdes polling.  */
3841         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3842         udelay(40);
3843
3844         current_link_up = 0;
3845         mac_status = tr32(MAC_STATUS);
3846
3847         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3848                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3849         else
3850                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3851
3852         tp->hw_status->status =
3853                 (SD_STATUS_UPDATED |
3854                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
3855
3856         for (i = 0; i < 100; i++) {
3857                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3858                                     MAC_STATUS_CFG_CHANGED));
3859                 udelay(5);
3860                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3861                                          MAC_STATUS_CFG_CHANGED |
3862                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3863                         break;
3864         }
3865
3866         mac_status = tr32(MAC_STATUS);
3867         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3868                 current_link_up = 0;
3869                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3870                     tp->serdes_counter == 0) {
3871                         tw32_f(MAC_MODE, (tp->mac_mode |
3872                                           MAC_MODE_SEND_CONFIGS));
3873                         udelay(1);
3874                         tw32_f(MAC_MODE, tp->mac_mode);
3875                 }
3876         }
3877
3878         if (current_link_up == 1) {
3879                 tp->link_config.active_speed = SPEED_1000;
3880                 tp->link_config.active_duplex = DUPLEX_FULL;
3881                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3882                                     LED_CTRL_LNKLED_OVERRIDE |
3883                                     LED_CTRL_1000MBPS_ON));
3884         } else {
3885                 tp->link_config.active_speed = SPEED_INVALID;
3886                 tp->link_config.active_duplex = DUPLEX_INVALID;
3887                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3888                                     LED_CTRL_LNKLED_OVERRIDE |
3889                                     LED_CTRL_TRAFFIC_OVERRIDE));
3890         }
3891
3892         if (current_link_up != netif_carrier_ok(tp->dev)) {
3893                 if (current_link_up)
3894                         netif_carrier_on(tp->dev);
3895                 else
3896                         netif_carrier_off(tp->dev);
3897                 tg3_link_report(tp);
3898         } else {
3899                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
3900                 if (orig_pause_cfg != now_pause_cfg ||
3901                     orig_active_speed != tp->link_config.active_speed ||
3902                     orig_active_duplex != tp->link_config.active_duplex)
3903                         tg3_link_report(tp);
3904         }
3905
3906         return 0;
3907 }
3908
3909 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
3910 {
3911         int current_link_up, err = 0;
3912         u32 bmsr, bmcr;
3913         u16 current_speed;
3914         u8 current_duplex;
3915         u32 local_adv, remote_adv;
3916
3917         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3918         tw32_f(MAC_MODE, tp->mac_mode);
3919         udelay(40);
3920
3921         tw32(MAC_EVENT, 0);
3922
3923         tw32_f(MAC_STATUS,
3924              (MAC_STATUS_SYNC_CHANGED |
3925               MAC_STATUS_CFG_CHANGED |
3926               MAC_STATUS_MI_COMPLETION |
3927               MAC_STATUS_LNKSTATE_CHANGED));
3928         udelay(40);
3929
3930         if (force_reset)
3931                 tg3_phy_reset(tp);
3932
3933         current_link_up = 0;
3934         current_speed = SPEED_INVALID;
3935         current_duplex = DUPLEX_INVALID;
3936
3937         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3938         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3939         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
3940                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
3941                         bmsr |= BMSR_LSTATUS;
3942                 else
3943                         bmsr &= ~BMSR_LSTATUS;
3944         }
3945
3946         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
3947
3948         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
3949             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3950                 /* do nothing, just check for link up at the end */
3951         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3952                 u32 adv, new_adv;
3953
3954                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3955                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
3956                                   ADVERTISE_1000XPAUSE |
3957                                   ADVERTISE_1000XPSE_ASYM |
3958                                   ADVERTISE_SLCT);
3959
3960                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3961
3962                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
3963                         new_adv |= ADVERTISE_1000XHALF;
3964                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
3965                         new_adv |= ADVERTISE_1000XFULL;
3966
3967                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
3968                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
3969                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
3970                         tg3_writephy(tp, MII_BMCR, bmcr);
3971
3972                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3973                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
3974                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3975
3976                         return err;
3977                 }
3978         } else {
3979                 u32 new_bmcr;
3980
3981                 bmcr &= ~BMCR_SPEED1000;
3982                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
3983
3984                 if (tp->link_config.duplex == DUPLEX_FULL)
3985                         new_bmcr |= BMCR_FULLDPLX;
3986
3987                 if (new_bmcr != bmcr) {
3988                         /* BMCR_SPEED1000 is a reserved bit that needs
3989                          * to be set on write.
3990                          */
3991                         new_bmcr |= BMCR_SPEED1000;
3992
3993                         /* Force a linkdown */
3994                         if (netif_carrier_ok(tp->dev)) {
3995                                 u32 adv;
3996
3997                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3998                                 adv &= ~(ADVERTISE_1000XFULL |
3999                                          ADVERTISE_1000XHALF |
4000                                          ADVERTISE_SLCT);
4001                                 tg3_writephy(tp, MII_ADVERTISE, adv);
4002                                 tg3_writephy(tp, MII_BMCR, bmcr |
4003                                                            BMCR_ANRESTART |
4004                                                            BMCR_ANENABLE);
4005                                 udelay(10);
4006                                 netif_carrier_off(tp->dev);
4007                         }
4008                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4009                         bmcr = new_bmcr;
4010                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4011                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4012                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4013                             ASIC_REV_5714) {
4014                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4015                                         bmsr |= BMSR_LSTATUS;
4016                                 else
4017                                         bmsr &= ~BMSR_LSTATUS;
4018                         }
4019                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4020                 }
4021         }
4022
4023         if (bmsr & BMSR_LSTATUS) {
4024                 current_speed = SPEED_1000;
4025                 current_link_up = 1;
4026                 if (bmcr & BMCR_FULLDPLX)
4027                         current_duplex = DUPLEX_FULL;
4028                 else
4029                         current_duplex = DUPLEX_HALF;
4030
4031                 local_adv = 0;
4032                 remote_adv = 0;
4033
4034                 if (bmcr & BMCR_ANENABLE) {
4035                         u32 common;
4036
4037                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4038                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4039                         common = local_adv & remote_adv;
4040                         if (common & (ADVERTISE_1000XHALF |
4041                                       ADVERTISE_1000XFULL)) {
4042                                 if (common & ADVERTISE_1000XFULL)
4043                                         current_duplex = DUPLEX_FULL;
4044                                 else
4045                                         current_duplex = DUPLEX_HALF;
4046                         }
4047                         else
4048                                 current_link_up = 0;
4049                 }
4050         }
4051
4052         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4053                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4054
4055         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4056         if (tp->link_config.active_duplex == DUPLEX_HALF)
4057                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4058
4059         tw32_f(MAC_MODE, tp->mac_mode);
4060         udelay(40);
4061
4062         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4063
4064         tp->link_config.active_speed = current_speed;
4065         tp->link_config.active_duplex = current_duplex;
4066
4067         if (current_link_up != netif_carrier_ok(tp->dev)) {
4068                 if (current_link_up)
4069                         netif_carrier_on(tp->dev);
4070                 else {
4071                         netif_carrier_off(tp->dev);
4072                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4073                 }
4074                 tg3_link_report(tp);
4075         }
4076         return err;
4077 }
4078
4079 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4080 {
4081         if (tp->serdes_counter) {
4082                 /* Give autoneg time to complete. */
4083                 tp->serdes_counter--;
4084                 return;
4085         }
4086         if (!netif_carrier_ok(tp->dev) &&
4087             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4088                 u32 bmcr;
4089
4090                 tg3_readphy(tp, MII_BMCR, &bmcr);
4091                 if (bmcr & BMCR_ANENABLE) {
4092                         u32 phy1, phy2;
4093
4094                         /* Select shadow register 0x1f */
4095                         tg3_writephy(tp, 0x1c, 0x7c00);
4096                         tg3_readphy(tp, 0x1c, &phy1);
4097
4098                         /* Select expansion interrupt status register */
4099                         tg3_writephy(tp, 0x17, 0x0f01);
4100                         tg3_readphy(tp, 0x15, &phy2);
4101                         tg3_readphy(tp, 0x15, &phy2);
4102
4103                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4104                                 /* We have signal detect and not receiving
4105                                  * config code words, link is up by parallel
4106                                  * detection.
4107                                  */
4108
4109                                 bmcr &= ~BMCR_ANENABLE;
4110                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4111                                 tg3_writephy(tp, MII_BMCR, bmcr);
4112                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4113                         }
4114                 }
4115         }
4116         else if (netif_carrier_ok(tp->dev) &&
4117                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4118                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4119                 u32 phy2;
4120
4121                 /* Select expansion interrupt status register */
4122                 tg3_writephy(tp, 0x17, 0x0f01);
4123                 tg3_readphy(tp, 0x15, &phy2);
4124                 if (phy2 & 0x20) {
4125                         u32 bmcr;
4126
4127                         /* Config code words received, turn on autoneg. */
4128                         tg3_readphy(tp, MII_BMCR, &bmcr);
4129                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4130
4131                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4132
4133                 }
4134         }
4135 }
4136
4137 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4138 {
4139         int err;
4140
4141         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4142                 err = tg3_setup_fiber_phy(tp, force_reset);
4143         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4144                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4145         } else {
4146                 err = tg3_setup_copper_phy(tp, force_reset);
4147         }
4148
4149         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4150                 u32 val, scale;
4151
4152                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4153                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4154                         scale = 65;
4155                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4156                         scale = 6;
4157                 else
4158                         scale = 12;
4159
4160                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4161                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4162                 tw32(GRC_MISC_CFG, val);
4163         }
4164
4165         if (tp->link_config.active_speed == SPEED_1000 &&
4166             tp->link_config.active_duplex == DUPLEX_HALF)
4167                 tw32(MAC_TX_LENGTHS,
4168                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4169                       (6 << TX_LENGTHS_IPG_SHIFT) |
4170                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4171         else
4172                 tw32(MAC_TX_LENGTHS,
4173                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4174                       (6 << TX_LENGTHS_IPG_SHIFT) |
4175                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4176
4177         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4178                 if (netif_carrier_ok(tp->dev)) {
4179                         tw32(HOSTCC_STAT_COAL_TICKS,
4180                              tp->coal.stats_block_coalesce_usecs);
4181                 } else {
4182                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4183                 }
4184         }
4185
4186         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4187                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4188                 if (!netif_carrier_ok(tp->dev))
4189                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4190                               tp->pwrmgmt_thresh;
4191                 else
4192                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4193                 tw32(PCIE_PWR_MGMT_THRESH, val);
4194         }
4195
4196         return err;
4197 }
4198
4199 /* This is called whenever we suspect that the system chipset is re-
4200  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4201  * is bogus tx completions. We try to recover by setting the
4202  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4203  * in the workqueue.
4204  */
4205 static void tg3_tx_recover(struct tg3 *tp)
4206 {
4207         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4208                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4209
4210         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4211                "mapped I/O cycles to the network device, attempting to "
4212                "recover. Please report the problem to the driver maintainer "
4213                "and include system chipset information.\n", tp->dev->name);
4214
4215         spin_lock(&tp->lock);
4216         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4217         spin_unlock(&tp->lock);
4218 }
4219
4220 static inline u32 tg3_tx_avail(struct tg3 *tp)
4221 {
4222         smp_mb();
4223         return (tp->tx_pending -
4224                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
4225 }
4226
4227 /* Tigon3 never reports partial packet sends.  So we do not
4228  * need special logic to handle SKBs that have not had all
4229  * of their frags sent yet, like SunGEM does.
4230  */
4231 static void tg3_tx(struct tg3 *tp)
4232 {
4233         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
4234         u32 sw_idx = tp->tx_cons;
4235
4236         while (sw_idx != hw_idx) {
4237                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
4238                 struct sk_buff *skb = ri->skb;
4239                 int i, tx_bug = 0;
4240
4241                 if (unlikely(skb == NULL)) {
4242                         tg3_tx_recover(tp);
4243                         return;
4244                 }
4245
4246                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
4247
4248                 ri->skb = NULL;
4249
4250                 sw_idx = NEXT_TX(sw_idx);
4251
4252                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4253                         ri = &tp->tx_buffers[sw_idx];
4254                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4255                                 tx_bug = 1;
4256                         sw_idx = NEXT_TX(sw_idx);
4257                 }
4258
4259                 dev_kfree_skb(skb);
4260
4261                 if (unlikely(tx_bug)) {
4262                         tg3_tx_recover(tp);
4263                         return;
4264                 }
4265         }
4266
4267         tp->tx_cons = sw_idx;
4268
4269         /* Need to make the tx_cons update visible to tg3_start_xmit()
4270          * before checking for netif_queue_stopped().  Without the
4271          * memory barrier, there is a small possibility that tg3_start_xmit()
4272          * will miss it and cause the queue to be stopped forever.
4273          */
4274         smp_mb();
4275
4276         if (unlikely(netif_queue_stopped(tp->dev) &&
4277                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
4278                 netif_tx_lock(tp->dev);
4279                 if (netif_queue_stopped(tp->dev) &&
4280                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
4281                         netif_wake_queue(tp->dev);
4282                 netif_tx_unlock(tp->dev);
4283         }
4284 }
4285
4286 /* Returns size of skb allocated or < 0 on error.
4287  *
4288  * We only need to fill in the address because the other members
4289  * of the RX descriptor are invariant, see tg3_init_rings.
4290  *
4291  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4292  * posting buffers we only dirty the first cache line of the RX
4293  * descriptor (containing the address).  Whereas for the RX status
4294  * buffers the cpu only reads the last cacheline of the RX descriptor
4295  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4296  */
4297 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
4298                             int src_idx, u32 dest_idx_unmasked)
4299 {
4300         struct tg3_rx_buffer_desc *desc;
4301         struct ring_info *map, *src_map;
4302         struct sk_buff *skb;
4303         dma_addr_t mapping;
4304         int skb_size, dest_idx;
4305
4306         src_map = NULL;
4307         switch (opaque_key) {
4308         case RXD_OPAQUE_RING_STD:
4309                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4310                 desc = &tp->rx_std[dest_idx];
4311                 map = &tp->rx_std_buffers[dest_idx];
4312                 if (src_idx >= 0)
4313                         src_map = &tp->rx_std_buffers[src_idx];
4314                 skb_size = tp->rx_pkt_buf_sz;
4315                 break;
4316
4317         case RXD_OPAQUE_RING_JUMBO:
4318                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4319                 desc = &tp->rx_jumbo[dest_idx];
4320                 map = &tp->rx_jumbo_buffers[dest_idx];
4321                 if (src_idx >= 0)
4322                         src_map = &tp->rx_jumbo_buffers[src_idx];
4323                 skb_size = RX_JUMBO_PKT_BUF_SZ;
4324                 break;
4325
4326         default:
4327                 return -EINVAL;
4328         }
4329
4330         /* Do not overwrite any of the map or rp information
4331          * until we are sure we can commit to a new buffer.
4332          *
4333          * Callers depend upon this behavior and assume that
4334          * we leave everything unchanged if we fail.
4335          */
4336         skb = netdev_alloc_skb(tp->dev, skb_size);
4337         if (skb == NULL)
4338                 return -ENOMEM;
4339
4340         skb_reserve(skb, tp->rx_offset);
4341
4342         mapping = pci_map_single(tp->pdev, skb->data,
4343                                  skb_size - tp->rx_offset,
4344                                  PCI_DMA_FROMDEVICE);
4345
4346         map->skb = skb;
4347         pci_unmap_addr_set(map, mapping, mapping);
4348
4349         if (src_map != NULL)
4350                 src_map->skb = NULL;
4351
4352         desc->addr_hi = ((u64)mapping >> 32);
4353         desc->addr_lo = ((u64)mapping & 0xffffffff);
4354
4355         return skb_size;
4356 }
4357
4358 /* We only need to move over in the address because the other
4359  * members of the RX descriptor are invariant.  See notes above
4360  * tg3_alloc_rx_skb for full details.
4361  */
4362 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
4363                            int src_idx, u32 dest_idx_unmasked)
4364 {
4365         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4366         struct ring_info *src_map, *dest_map;
4367         int dest_idx;
4368
4369         switch (opaque_key) {
4370         case RXD_OPAQUE_RING_STD:
4371                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4372                 dest_desc = &tp->rx_std[dest_idx];
4373                 dest_map = &tp->rx_std_buffers[dest_idx];
4374                 src_desc = &tp->rx_std[src_idx];
4375                 src_map = &tp->rx_std_buffers[src_idx];
4376                 break;
4377
4378         case RXD_OPAQUE_RING_JUMBO:
4379                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4380                 dest_desc = &tp->rx_jumbo[dest_idx];
4381                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
4382                 src_desc = &tp->rx_jumbo[src_idx];
4383                 src_map = &tp->rx_jumbo_buffers[src_idx];
4384                 break;
4385
4386         default:
4387                 return;
4388         }
4389
4390         dest_map->skb = src_map->skb;
4391         pci_unmap_addr_set(dest_map, mapping,
4392                            pci_unmap_addr(src_map, mapping));
4393         dest_desc->addr_hi = src_desc->addr_hi;
4394         dest_desc->addr_lo = src_desc->addr_lo;
4395
4396         src_map->skb = NULL;
4397 }
4398
4399 #if TG3_VLAN_TAG_USED
4400 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
4401 {
4402         return vlan_gro_receive(&tp->napi, tp->vlgrp, vlan_tag, skb);
4403 }
4404 #endif
4405
4406 /* The RX ring scheme is composed of multiple rings which post fresh
4407  * buffers to the chip, and one special ring the chip uses to report
4408  * status back to the host.
4409  *
4410  * The special ring reports the status of received packets to the
4411  * host.  The chip does not write into the original descriptor the
4412  * RX buffer was obtained from.  The chip simply takes the original
4413  * descriptor as provided by the host, updates the status and length
4414  * field, then writes this into the next status ring entry.
4415  *
4416  * Each ring the host uses to post buffers to the chip is described
4417  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4418  * it is first placed into the on-chip ram.  When the packet's length
4419  * is known, it walks down the TG3_BDINFO entries to select the ring.
4420  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4421  * which is within the range of the new packet's length is chosen.
4422  *
4423  * The "separate ring for rx status" scheme may sound queer, but it makes
4424  * sense from a cache coherency perspective.  If only the host writes
4425  * to the buffer post rings, and only the chip writes to the rx status
4426  * rings, then cache lines never move beyond shared-modified state.
4427  * If both the host and chip were to write into the same ring, cache line
4428  * eviction could occur since both entities want it in an exclusive state.
4429  */
4430 static int tg3_rx(struct tg3 *tp, int budget)
4431 {
4432         u32 work_mask, rx_std_posted = 0;
4433         u32 sw_idx = tp->rx_rcb_ptr;
4434         u16 hw_idx;
4435         int received;
4436
4437         hw_idx = tp->hw_status->idx[0].rx_producer;
4438         /*
4439          * We need to order the read of hw_idx and the read of
4440          * the opaque cookie.
4441          */
4442         rmb();
4443         work_mask = 0;
4444         received = 0;
4445         while (sw_idx != hw_idx && budget > 0) {
4446                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
4447                 unsigned int len;
4448                 struct sk_buff *skb;
4449                 dma_addr_t dma_addr;
4450                 u32 opaque_key, desc_idx, *post_ptr;
4451
4452                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4453                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4454                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4455                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
4456                                                   mapping);
4457                         skb = tp->rx_std_buffers[desc_idx].skb;
4458                         post_ptr = &tp->rx_std_ptr;
4459                         rx_std_posted++;
4460                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4461                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
4462                                                   mapping);
4463                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
4464                         post_ptr = &tp->rx_jumbo_ptr;
4465                 }
4466                 else {
4467                         goto next_pkt_nopost;
4468                 }
4469
4470                 work_mask |= opaque_key;
4471
4472                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4473                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4474                 drop_it:
4475                         tg3_recycle_rx(tp, opaque_key,
4476                                        desc_idx, *post_ptr);
4477                 drop_it_no_recycle:
4478                         /* Other statistics kept track of by card. */
4479                         tp->net_stats.rx_dropped++;
4480                         goto next_pkt;
4481                 }
4482
4483                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4484                       ETH_FCS_LEN;
4485
4486                 if (len > RX_COPY_THRESHOLD
4487                         && tp->rx_offset == NET_IP_ALIGN
4488                         /* rx_offset will likely not equal NET_IP_ALIGN
4489                          * if this is a 5701 card running in PCI-X mode
4490                          * [see tg3_get_invariants()]
4491                          */
4492                 ) {
4493                         int skb_size;
4494
4495                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
4496                                                     desc_idx, *post_ptr);
4497                         if (skb_size < 0)
4498                                 goto drop_it;
4499
4500                         pci_unmap_single(tp->pdev, dma_addr,
4501                                          skb_size - tp->rx_offset,
4502                                          PCI_DMA_FROMDEVICE);
4503
4504                         skb_put(skb, len);
4505                 } else {
4506                         struct sk_buff *copy_skb;
4507
4508                         tg3_recycle_rx(tp, opaque_key,
4509                                        desc_idx, *post_ptr);
4510
4511                         copy_skb = netdev_alloc_skb(tp->dev,
4512                                                     len + TG3_RAW_IP_ALIGN);
4513                         if (copy_skb == NULL)
4514                                 goto drop_it_no_recycle;
4515
4516                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4517                         skb_put(copy_skb, len);
4518                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4519                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4520                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4521
4522                         /* We'll reuse the original ring buffer. */
4523                         skb = copy_skb;
4524                 }
4525
4526                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4527                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4528                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4529                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4530                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4531                 else
4532                         skb->ip_summed = CHECKSUM_NONE;
4533
4534                 skb->protocol = eth_type_trans(skb, tp->dev);
4535
4536                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4537                     skb->protocol != htons(ETH_P_8021Q)) {
4538                         dev_kfree_skb(skb);
4539                         goto next_pkt;
4540                 }
4541
4542 #if TG3_VLAN_TAG_USED
4543                 if (tp->vlgrp != NULL &&
4544                     desc->type_flags & RXD_FLAG_VLAN) {
4545                         tg3_vlan_rx(tp, skb,
4546                                     desc->err_vlan & RXD_VLAN_MASK);
4547                 } else
4548 #endif
4549                         napi_gro_receive(&tp->napi, skb);
4550
4551                 received++;
4552                 budget--;
4553
4554 next_pkt:
4555                 (*post_ptr)++;
4556
4557                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4558                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4559
4560                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4561                                      TG3_64BIT_REG_LOW, idx);
4562                         work_mask &= ~RXD_OPAQUE_RING_STD;
4563                         rx_std_posted = 0;
4564                 }
4565 next_pkt_nopost:
4566                 sw_idx++;
4567                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4568
4569                 /* Refresh hw_idx to see if there is new work */
4570                 if (sw_idx == hw_idx) {
4571                         hw_idx = tp->hw_status->idx[0].rx_producer;
4572                         rmb();
4573                 }
4574         }
4575
4576         /* ACK the status ring. */
4577         tp->rx_rcb_ptr = sw_idx;
4578         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
4579
4580         /* Refill RX ring(s). */
4581         if (work_mask & RXD_OPAQUE_RING_STD) {
4582                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
4583                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4584                              sw_idx);
4585         }
4586         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4587                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
4588                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4589                              sw_idx);
4590         }
4591         mmiowb();
4592
4593         return received;
4594 }
4595
4596 static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
4597 {
4598         struct tg3_hw_status *sblk = tp->hw_status;
4599
4600         /* handle link change and other phy events */
4601         if (!(tp->tg3_flags &
4602               (TG3_FLAG_USE_LINKCHG_REG |
4603                TG3_FLAG_POLL_SERDES))) {
4604                 if (sblk->status & SD_STATUS_LINK_CHG) {
4605                         sblk->status = SD_STATUS_UPDATED |
4606                                 (sblk->status & ~SD_STATUS_LINK_CHG);
4607                         spin_lock(&tp->lock);
4608                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4609                                 tw32_f(MAC_STATUS,
4610                                      (MAC_STATUS_SYNC_CHANGED |
4611                                       MAC_STATUS_CFG_CHANGED |
4612                                       MAC_STATUS_MI_COMPLETION |
4613                                       MAC_STATUS_LNKSTATE_CHANGED));
4614                                 udelay(40);
4615                         } else
4616                                 tg3_setup_phy(tp, 0);
4617                         spin_unlock(&tp->lock);
4618                 }
4619         }
4620
4621         /* run TX completion thread */
4622         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
4623                 tg3_tx(tp);
4624                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4625                         return work_done;
4626         }
4627
4628         /* run RX thread, within the bounds set by NAPI.
4629          * All RX "locking" is done by ensuring outside
4630          * code synchronizes with tg3->napi.poll()
4631          */
4632         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
4633                 work_done += tg3_rx(tp, budget - work_done);
4634
4635         return work_done;
4636 }
4637
4638 static int tg3_poll(struct napi_struct *napi, int budget)
4639 {
4640         struct tg3 *tp = container_of(napi, struct tg3, napi);
4641         int work_done = 0;
4642         struct tg3_hw_status *sblk = tp->hw_status;
4643
4644         while (1) {
4645                 work_done = tg3_poll_work(tp, work_done, budget);
4646
4647                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4648                         goto tx_recovery;
4649
4650                 if (unlikely(work_done >= budget))
4651                         break;
4652
4653                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
4654                         /* tp->last_tag is used in tg3_restart_ints() below
4655                          * to tell the hw how much work has been processed,
4656                          * so we must read it before checking for more work.
4657                          */
4658                         tp->last_tag = sblk->status_tag;
4659                         rmb();
4660                 } else
4661                         sblk->status &= ~SD_STATUS_UPDATED;
4662
4663                 if (likely(!tg3_has_work(tp))) {
4664                         napi_complete(napi);
4665                         tg3_restart_ints(tp);
4666                         break;
4667                 }
4668         }
4669
4670         return work_done;
4671
4672 tx_recovery:
4673         /* work_done is guaranteed to be less than budget. */
4674         napi_complete(napi);
4675         schedule_work(&tp->reset_task);
4676         return work_done;
4677 }
4678
4679 static void tg3_irq_quiesce(struct tg3 *tp)
4680 {
4681         BUG_ON(tp->irq_sync);
4682
4683         tp->irq_sync = 1;
4684         smp_mb();
4685
4686         synchronize_irq(tp->pdev->irq);
4687 }
4688
4689 static inline int tg3_irq_sync(struct tg3 *tp)
4690 {
4691         return tp->irq_sync;
4692 }
4693
4694 /* Fully shutdown all tg3 driver activity elsewhere in the system.
4695  * If irq_sync is non-zero, then the IRQ handler must be synchronized
4696  * with as well.  Most of the time, this is not necessary except when
4697  * shutting down the device.
4698  */
4699 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4700 {
4701         spin_lock_bh(&tp->lock);
4702         if (irq_sync)
4703                 tg3_irq_quiesce(tp);
4704 }
4705
4706 static inline void tg3_full_unlock(struct tg3 *tp)
4707 {
4708         spin_unlock_bh(&tp->lock);
4709 }
4710
4711 /* One-shot MSI handler - Chip automatically disables interrupt
4712  * after sending MSI so driver doesn't have to do it.
4713  */
4714 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
4715 {
4716         struct net_device *dev = dev_id;
4717         struct tg3 *tp = netdev_priv(dev);
4718
4719         prefetch(tp->hw_status);
4720         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4721
4722         if (likely(!tg3_irq_sync(tp)))
4723                 napi_schedule(&tp->napi);
4724
4725         return IRQ_HANDLED;
4726 }
4727
4728 /* MSI ISR - No need to check for interrupt sharing and no need to
4729  * flush status block and interrupt mailbox. PCI ordering rules
4730  * guarantee that MSI will arrive after the status block.
4731  */
4732 static irqreturn_t tg3_msi(int irq, void *dev_id)
4733 {
4734         struct net_device *dev = dev_id;
4735         struct tg3 *tp = netdev_priv(dev);
4736
4737         prefetch(tp->hw_status);
4738         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4739         /*
4740          * Writing any value to intr-mbox-0 clears PCI INTA# and
4741          * chip-internal interrupt pending events.
4742          * Writing non-zero to intr-mbox-0 additional tells the
4743          * NIC to stop sending us irqs, engaging "in-intr-handler"
4744          * event coalescing.
4745          */
4746         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4747         if (likely(!tg3_irq_sync(tp)))
4748                 napi_schedule(&tp->napi);
4749
4750         return IRQ_RETVAL(1);
4751 }
4752
4753 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
4754 {
4755         struct net_device *dev = dev_id;
4756         struct tg3 *tp = netdev_priv(dev);
4757         struct tg3_hw_status *sblk = tp->hw_status;
4758         unsigned int handled = 1;
4759
4760         /* In INTx mode, it is possible for the interrupt to arrive at
4761          * the CPU before the status block posted prior to the interrupt.
4762          * Reading the PCI State register will confirm whether the
4763          * interrupt is ours and will flush the status block.
4764          */
4765         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4766                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4767                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4768                         handled = 0;
4769                         goto out;
4770                 }
4771         }
4772
4773         /*
4774          * Writing any value to intr-mbox-0 clears PCI INTA# and
4775          * chip-internal interrupt pending events.
4776          * Writing non-zero to intr-mbox-0 additional tells the
4777          * NIC to stop sending us irqs, engaging "in-intr-handler"
4778          * event coalescing.
4779          *
4780          * Flush the mailbox to de-assert the IRQ immediately to prevent
4781          * spurious interrupts.  The flush impacts performance but
4782          * excessive spurious interrupts can be worse in some cases.
4783          */
4784         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4785         if (tg3_irq_sync(tp))
4786                 goto out;
4787         sblk->status &= ~SD_STATUS_UPDATED;
4788         if (likely(tg3_has_work(tp))) {
4789                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4790                 napi_schedule(&tp->napi);
4791         } else {
4792                 /* No work, shared interrupt perhaps?  re-enable
4793                  * interrupts, and flush that PCI write
4794                  */
4795                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4796                                0x00000000);
4797         }
4798 out:
4799         return IRQ_RETVAL(handled);
4800 }
4801
4802 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
4803 {
4804         struct net_device *dev = dev_id;
4805         struct tg3 *tp = netdev_priv(dev);
4806         struct tg3_hw_status *sblk = tp->hw_status;
4807         unsigned int handled = 1;
4808
4809         /* In INTx mode, it is possible for the interrupt to arrive at
4810          * the CPU before the status block posted prior to the interrupt.
4811          * Reading the PCI State register will confirm whether the
4812          * interrupt is ours and will flush the status block.
4813          */
4814         if (unlikely(sblk->status_tag == tp->last_tag)) {
4815                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4816                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4817                         handled = 0;
4818                         goto out;
4819                 }
4820         }
4821
4822         /*
4823          * writing any value to intr-mbox-0 clears PCI INTA# and
4824          * chip-internal interrupt pending events.
4825          * writing non-zero to intr-mbox-0 additional tells the
4826          * NIC to stop sending us irqs, engaging "in-intr-handler"
4827          * event coalescing.
4828          *
4829          * Flush the mailbox to de-assert the IRQ immediately to prevent
4830          * spurious interrupts.  The flush impacts performance but
4831          * excessive spurious interrupts can be worse in some cases.
4832          */
4833         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4834         if (tg3_irq_sync(tp))
4835                 goto out;
4836         if (napi_schedule_prep(&tp->napi)) {
4837                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4838                 /* Update last_tag to mark that this status has been
4839                  * seen. Because interrupt may be shared, we may be
4840                  * racing with tg3_poll(), so only update last_tag
4841                  * if tg3_poll() is not scheduled.
4842                  */
4843                 tp->last_tag = sblk->status_tag;
4844                 __napi_schedule(&tp->napi);
4845         }
4846 out:
4847         return IRQ_RETVAL(handled);
4848 }
4849
4850 /* ISR for interrupt test */
4851 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
4852 {
4853         struct net_device *dev = dev_id;
4854         struct tg3 *tp = netdev_priv(dev);
4855         struct tg3_hw_status *sblk = tp->hw_status;
4856
4857         if ((sblk->status & SD_STATUS_UPDATED) ||
4858             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4859                 tg3_disable_ints(tp);
4860                 return IRQ_RETVAL(1);
4861         }
4862         return IRQ_RETVAL(0);
4863 }
4864
4865 static int tg3_init_hw(struct tg3 *, int);
4866 static int tg3_halt(struct tg3 *, int, int);
4867
4868 /* Restart hardware after configuration changes, self-test, etc.
4869  * Invoked with tp->lock held.
4870  */
4871 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
4872         __releases(tp->lock)
4873         __acquires(tp->lock)
4874 {
4875         int err;
4876
4877         err = tg3_init_hw(tp, reset_phy);
4878         if (err) {
4879                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
4880                        "aborting.\n", tp->dev->name);
4881                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4882                 tg3_full_unlock(tp);
4883                 del_timer_sync(&tp->timer);
4884                 tp->irq_sync = 0;
4885                 napi_enable(&tp->napi);
4886                 dev_close(tp->dev);
4887                 tg3_full_lock(tp, 0);
4888         }
4889         return err;
4890 }
4891
4892 #ifdef CONFIG_NET_POLL_CONTROLLER
4893 static void tg3_poll_controller(struct net_device *dev)
4894 {
4895         struct tg3 *tp = netdev_priv(dev);
4896
4897         tg3_interrupt(tp->pdev->irq, dev);
4898 }
4899 #endif
4900
4901 static void tg3_reset_task(struct work_struct *work)
4902 {
4903         struct tg3 *tp = container_of(work, struct tg3, reset_task);
4904         int err;
4905         unsigned int restart_timer;
4906
4907         tg3_full_lock(tp, 0);
4908
4909         if (!netif_running(tp->dev)) {
4910                 tg3_full_unlock(tp);
4911                 return;
4912         }
4913
4914         tg3_full_unlock(tp);
4915
4916         tg3_phy_stop(tp);
4917
4918         tg3_netif_stop(tp);
4919
4920         tg3_full_lock(tp, 1);
4921
4922         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
4923         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
4924
4925         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
4926                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
4927                 tp->write32_rx_mbox = tg3_write_flush_reg32;
4928                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
4929                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
4930         }
4931
4932         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
4933         err = tg3_init_hw(tp, 1);
4934         if (err)
4935                 goto out;
4936
4937         tg3_netif_start(tp);
4938
4939         if (restart_timer)
4940                 mod_timer(&tp->timer, jiffies + 1);
4941
4942 out:
4943         tg3_full_unlock(tp);
4944
4945         if (!err)
4946                 tg3_phy_start(tp);
4947 }
4948
4949 static void tg3_dump_short_state(struct tg3 *tp)
4950 {
4951         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
4952                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
4953         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
4954                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
4955 }
4956
4957 static void tg3_tx_timeout(struct net_device *dev)
4958 {
4959         struct tg3 *tp = netdev_priv(dev);
4960
4961         if (netif_msg_tx_err(tp)) {
4962                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
4963                        dev->name);
4964                 tg3_dump_short_state(tp);
4965         }
4966
4967         schedule_work(&tp->reset_task);
4968 }
4969
4970 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
4971 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
4972 {
4973         u32 base = (u32) mapping & 0xffffffff;
4974
4975         return ((base > 0xffffdcc0) &&
4976                 (base + len + 8 < base));
4977 }
4978
4979 /* Test for DMA addresses > 40-bit */
4980 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
4981                                           int len)
4982 {
4983 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
4984         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
4985                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
4986         return 0;
4987 #else
4988         return 0;
4989 #endif
4990 }
4991
4992 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
4993
4994 /* Workaround 4GB and 40-bit hardware DMA bugs. */
4995 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
4996                                        u32 last_plus_one, u32 *start,
4997                                        u32 base_flags, u32 mss)
4998 {
4999         struct sk_buff *new_skb;
5000         dma_addr_t new_addr = 0;
5001         u32 entry = *start;
5002         int i, ret = 0;
5003
5004         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5005                 new_skb = skb_copy(skb, GFP_ATOMIC);
5006         else {
5007                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5008
5009                 new_skb = skb_copy_expand(skb,
5010                                           skb_headroom(skb) + more_headroom,
5011                                           skb_tailroom(skb), GFP_ATOMIC);
5012         }
5013
5014         if (!new_skb) {
5015                 ret = -1;
5016         } else {
5017                 /* New SKB is guaranteed to be linear. */
5018                 entry = *start;
5019                 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
5020                 new_addr = skb_shinfo(new_skb)->dma_maps[0];
5021
5022                 /* Make sure new skb does not cross any 4G boundaries.
5023                  * Drop the packet if it does.
5024                  */
5025                 if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
5026                         if (!ret)
5027                                 skb_dma_unmap(&tp->pdev->dev, new_skb,
5028                                               DMA_TO_DEVICE);
5029                         ret = -1;
5030                         dev_kfree_skb(new_skb);
5031                         new_skb = NULL;
5032                 } else {
5033                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
5034                                     base_flags, 1 | (mss << 1));
5035                         *start = NEXT_TX(entry);
5036                 }
5037         }
5038
5039         /* Now clean up the sw ring entries. */
5040         i = 0;
5041         while (entry != last_plus_one) {
5042                 if (i == 0) {
5043                         tp->tx_buffers[entry].skb = new_skb;
5044                 } else {
5045                         tp->tx_buffers[entry].skb = NULL;
5046                 }
5047                 entry = NEXT_TX(entry);
5048                 i++;
5049         }
5050
5051         skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5052         dev_kfree_skb(skb);
5053
5054         return ret;
5055 }
5056
5057 static void tg3_set_txd(struct tg3 *tp, int entry,
5058                         dma_addr_t mapping, int len, u32 flags,
5059                         u32 mss_and_is_end)
5060 {
5061         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
5062         int is_end = (mss_and_is_end & 0x1);
5063         u32 mss = (mss_and_is_end >> 1);
5064         u32 vlan_tag = 0;
5065
5066         if (is_end)
5067                 flags |= TXD_FLAG_END;
5068         if (flags & TXD_FLAG_VLAN) {
5069                 vlan_tag = flags >> 16;
5070                 flags &= 0xffff;
5071         }
5072         vlan_tag |= (mss << TXD_MSS_SHIFT);
5073
5074         txd->addr_hi = ((u64) mapping >> 32);
5075         txd->addr_lo = ((u64) mapping & 0xffffffff);
5076         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5077         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5078 }
5079
5080 /* hard_start_xmit for devices that don't have any bugs and
5081  * support TG3_FLG2_HW_TSO_2 only.
5082  */
5083 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5084 {
5085         struct tg3 *tp = netdev_priv(dev);
5086         u32 len, entry, base_flags, mss;
5087         struct skb_shared_info *sp;
5088         dma_addr_t mapping;
5089
5090         len = skb_headlen(skb);
5091
5092         /* We are running in BH disabled context with netif_tx_lock
5093          * and TX reclaim runs via tp->napi.poll inside of a software
5094          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5095          * no IRQ context deadlocks to worry about either.  Rejoice!
5096          */
5097         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5098                 if (!netif_queue_stopped(dev)) {
5099                         netif_stop_queue(dev);
5100
5101                         /* This is a hard error, log it. */
5102                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5103                                "queue awake!\n", dev->name);
5104                 }
5105                 return NETDEV_TX_BUSY;
5106         }
5107
5108         entry = tp->tx_prod;
5109         base_flags = 0;
5110         mss = 0;
5111         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5112                 int tcp_opt_len, ip_tcp_len;
5113
5114                 if (skb_header_cloned(skb) &&
5115                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5116                         dev_kfree_skb(skb);
5117                         goto out_unlock;
5118                 }
5119
5120                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5121                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
5122                 else {
5123                         struct iphdr *iph = ip_hdr(skb);
5124
5125                         tcp_opt_len = tcp_optlen(skb);
5126                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5127
5128                         iph->check = 0;
5129                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5130                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
5131                 }
5132
5133                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5134                                TXD_FLAG_CPU_POST_DMA);
5135
5136                 tcp_hdr(skb)->check = 0;
5137
5138         }
5139         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5140                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5141 #if TG3_VLAN_TAG_USED
5142         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5143                 base_flags |= (TXD_FLAG_VLAN |
5144                                (vlan_tx_tag_get(skb) << 16));
5145 #endif
5146
5147         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5148                 dev_kfree_skb(skb);
5149                 goto out_unlock;
5150         }
5151
5152         sp = skb_shinfo(skb);
5153
5154         mapping = sp->dma_maps[0];
5155
5156         tp->tx_buffers[entry].skb = skb;
5157
5158         tg3_set_txd(tp, entry, mapping, len, base_flags,
5159                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5160
5161         entry = NEXT_TX(entry);
5162
5163         /* Now loop through additional data fragments, and queue them. */
5164         if (skb_shinfo(skb)->nr_frags > 0) {
5165                 unsigned int i, last;
5166
5167                 last = skb_shinfo(skb)->nr_frags - 1;
5168                 for (i = 0; i <= last; i++) {
5169                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5170
5171                         len = frag->size;
5172                         mapping = sp->dma_maps[i + 1];
5173                         tp->tx_buffers[entry].skb = NULL;
5174
5175                         tg3_set_txd(tp, entry, mapping, len,
5176                                     base_flags, (i == last) | (mss << 1));
5177
5178                         entry = NEXT_TX(entry);
5179                 }
5180         }
5181
5182         /* Packets are ready, update Tx producer idx local and on card. */
5183         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5184
5185         tp->tx_prod = entry;
5186         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5187                 netif_stop_queue(dev);
5188                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5189                         netif_wake_queue(tp->dev);
5190         }
5191
5192 out_unlock:
5193         mmiowb();
5194
5195         dev->trans_start = jiffies;
5196
5197         return NETDEV_TX_OK;
5198 }
5199
5200 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
5201
5202 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5203  * TSO header is greater than 80 bytes.
5204  */
5205 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5206 {
5207         struct sk_buff *segs, *nskb;
5208
5209         /* Estimate the number of fragments in the worst case */
5210         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
5211                 netif_stop_queue(tp->dev);
5212                 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
5213                         return NETDEV_TX_BUSY;
5214
5215                 netif_wake_queue(tp->dev);
5216         }
5217
5218         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5219         if (IS_ERR(segs))
5220                 goto tg3_tso_bug_end;
5221
5222         do {
5223                 nskb = segs;
5224                 segs = segs->next;
5225                 nskb->next = NULL;
5226                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5227         } while (segs);
5228
5229 tg3_tso_bug_end:
5230         dev_kfree_skb(skb);
5231
5232         return NETDEV_TX_OK;
5233 }
5234
5235 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5236  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5237  */
5238 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
5239 {
5240         struct tg3 *tp = netdev_priv(dev);
5241         u32 len, entry, base_flags, mss;
5242         struct skb_shared_info *sp;
5243         int would_hit_hwbug;
5244         dma_addr_t mapping;
5245
5246         len = skb_headlen(skb);
5247
5248         /* We are running in BH disabled context with netif_tx_lock
5249          * and TX reclaim runs via tp->napi.poll inside of a software
5250          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5251          * no IRQ context deadlocks to worry about either.  Rejoice!
5252          */
5253         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5254                 if (!netif_queue_stopped(dev)) {
5255                         netif_stop_queue(dev);
5256
5257                         /* This is a hard error, log it. */
5258                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5259                                "queue awake!\n", dev->name);
5260                 }
5261                 return NETDEV_TX_BUSY;
5262         }
5263
5264         entry = tp->tx_prod;
5265         base_flags = 0;
5266         if (skb->ip_summed == CHECKSUM_PARTIAL)
5267                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5268         mss = 0;
5269         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5270                 struct iphdr *iph;
5271                 int tcp_opt_len, ip_tcp_len, hdr_len;
5272
5273                 if (skb_header_cloned(skb) &&
5274                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5275                         dev_kfree_skb(skb);
5276                         goto out_unlock;
5277                 }
5278
5279                 tcp_opt_len = tcp_optlen(skb);
5280                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5281
5282                 hdr_len = ip_tcp_len + tcp_opt_len;
5283                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5284                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5285                         return (tg3_tso_bug(tp, skb));
5286
5287                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5288                                TXD_FLAG_CPU_POST_DMA);
5289
5290                 iph = ip_hdr(skb);
5291                 iph->check = 0;
5292                 iph->tot_len = htons(mss + hdr_len);
5293                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5294                         tcp_hdr(skb)->check = 0;
5295                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5296                 } else
5297                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5298                                                                  iph->daddr, 0,
5299                                                                  IPPROTO_TCP,
5300                                                                  0);
5301
5302                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
5303                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
5304                         if (tcp_opt_len || iph->ihl > 5) {
5305                                 int tsflags;
5306
5307                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5308                                 mss |= (tsflags << 11);
5309                         }
5310                 } else {
5311                         if (tcp_opt_len || iph->ihl > 5) {
5312                                 int tsflags;
5313
5314                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5315                                 base_flags |= tsflags << 12;
5316                         }
5317                 }
5318         }
5319 #if TG3_VLAN_TAG_USED
5320         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5321                 base_flags |= (TXD_FLAG_VLAN |
5322                                (vlan_tx_tag_get(skb) << 16));
5323 #endif
5324
5325         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5326                 dev_kfree_skb(skb);
5327                 goto out_unlock;
5328         }
5329
5330         sp = skb_shinfo(skb);
5331
5332         mapping = sp->dma_maps[0];
5333
5334         tp->tx_buffers[entry].skb = skb;
5335
5336         would_hit_hwbug = 0;
5337
5338         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5339                 would_hit_hwbug = 1;
5340         else if (tg3_4g_overflow_test(mapping, len))
5341                 would_hit_hwbug = 1;
5342
5343         tg3_set_txd(tp, entry, mapping, len, base_flags,
5344                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5345
5346         entry = NEXT_TX(entry);
5347
5348         /* Now loop through additional data fragments, and queue them. */
5349         if (skb_shinfo(skb)->nr_frags > 0) {
5350                 unsigned int i, last;
5351
5352                 last = skb_shinfo(skb)->nr_frags - 1;
5353                 for (i = 0; i <= last; i++) {
5354                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5355
5356                         len = frag->size;
5357                         mapping = sp->dma_maps[i + 1];
5358
5359                         tp->tx_buffers[entry].skb = NULL;
5360
5361                         if (tg3_4g_overflow_test(mapping, len))
5362                                 would_hit_hwbug = 1;
5363
5364                         if (tg3_40bit_overflow_test(tp, mapping, len))
5365                                 would_hit_hwbug = 1;
5366
5367                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5368                                 tg3_set_txd(tp, entry, mapping, len,
5369                                             base_flags, (i == last)|(mss << 1));
5370                         else
5371                                 tg3_set_txd(tp, entry, mapping, len,
5372                                             base_flags, (i == last));
5373
5374                         entry = NEXT_TX(entry);
5375                 }
5376         }
5377
5378         if (would_hit_hwbug) {
5379                 u32 last_plus_one = entry;
5380                 u32 start;
5381
5382                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5383                 start &= (TG3_TX_RING_SIZE - 1);
5384
5385                 /* If the workaround fails due to memory/mapping
5386                  * failure, silently drop this packet.
5387                  */
5388                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
5389                                                 &start, base_flags, mss))
5390                         goto out_unlock;
5391
5392                 entry = start;
5393         }
5394
5395         /* Packets are ready, update Tx producer idx local and on card. */
5396         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5397
5398         tp->tx_prod = entry;
5399         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5400                 netif_stop_queue(dev);
5401                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5402                         netif_wake_queue(tp->dev);
5403         }
5404
5405 out_unlock:
5406         mmiowb();
5407
5408         dev->trans_start = jiffies;
5409
5410         return NETDEV_TX_OK;
5411 }
5412
5413 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5414                                int new_mtu)
5415 {
5416         dev->mtu = new_mtu;
5417
5418         if (new_mtu > ETH_DATA_LEN) {
5419                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5420                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5421                         ethtool_op_set_tso(dev, 0);
5422                 }
5423                 else
5424                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5425         } else {
5426                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5427                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5428                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5429         }
5430 }
5431
5432 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5433 {
5434         struct tg3 *tp = netdev_priv(dev);
5435         int err;
5436
5437         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5438                 return -EINVAL;
5439
5440         if (!netif_running(dev)) {
5441                 /* We'll just catch it later when the
5442                  * device is up'd.
5443                  */
5444                 tg3_set_mtu(dev, tp, new_mtu);
5445                 return 0;
5446         }
5447
5448         tg3_phy_stop(tp);
5449
5450         tg3_netif_stop(tp);
5451
5452         tg3_full_lock(tp, 1);
5453
5454         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5455
5456         tg3_set_mtu(dev, tp, new_mtu);
5457
5458         err = tg3_restart_hw(tp, 0);
5459
5460         if (!err)
5461                 tg3_netif_start(tp);
5462
5463         tg3_full_unlock(tp);
5464
5465         if (!err)
5466                 tg3_phy_start(tp);
5467
5468         return err;
5469 }
5470
5471 /* Free up pending packets in all rx/tx rings.
5472  *
5473  * The chip has been shut down and the driver detached from
5474  * the networking, so no interrupts or new tx packets will
5475  * end up in the driver.  tp->{tx,}lock is not held and we are not
5476  * in an interrupt context and thus may sleep.
5477  */
5478 static void tg3_free_rings(struct tg3 *tp)
5479 {
5480         struct ring_info *rxp;
5481         int i;
5482
5483         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5484                 rxp = &tp->rx_std_buffers[i];
5485
5486                 if (rxp->skb == NULL)
5487                         continue;
5488                 pci_unmap_single(tp->pdev,
5489                                  pci_unmap_addr(rxp, mapping),
5490                                  tp->rx_pkt_buf_sz - tp->rx_offset,
5491                                  PCI_DMA_FROMDEVICE);
5492                 dev_kfree_skb_any(rxp->skb);
5493                 rxp->skb = NULL;
5494         }
5495
5496         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5497                 rxp = &tp->rx_jumbo_buffers[i];
5498
5499                 if (rxp->skb == NULL)
5500                         continue;
5501                 pci_unmap_single(tp->pdev,
5502                                  pci_unmap_addr(rxp, mapping),
5503                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
5504                                  PCI_DMA_FROMDEVICE);
5505                 dev_kfree_skb_any(rxp->skb);
5506                 rxp->skb = NULL;
5507         }
5508
5509         for (i = 0; i < TG3_TX_RING_SIZE; ) {
5510                 struct tx_ring_info *txp;
5511                 struct sk_buff *skb;
5512
5513                 txp = &tp->tx_buffers[i];
5514                 skb = txp->skb;
5515
5516                 if (skb == NULL) {
5517                         i++;
5518                         continue;
5519                 }
5520
5521                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5522
5523                 txp->skb = NULL;
5524
5525                 i += skb_shinfo(skb)->nr_frags + 1;
5526
5527                 dev_kfree_skb_any(skb);
5528         }
5529 }
5530
5531 /* Initialize tx/rx rings for packet processing.
5532  *
5533  * The chip has been shut down and the driver detached from
5534  * the networking, so no interrupts or new tx packets will
5535  * end up in the driver.  tp->{tx,}lock are held and thus
5536  * we may not sleep.
5537  */
5538 static int tg3_init_rings(struct tg3 *tp)
5539 {
5540         u32 i;
5541
5542         /* Free up all the SKBs. */
5543         tg3_free_rings(tp);
5544
5545         /* Zero out all descriptors. */
5546         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
5547         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
5548         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5549         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
5550
5551         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
5552         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
5553             (tp->dev->mtu > ETH_DATA_LEN))
5554                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
5555
5556         /* Initialize invariants of the rings, we only set this
5557          * stuff once.  This works because the card does not
5558          * write into the rx buffer posting rings.
5559          */
5560         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5561                 struct tg3_rx_buffer_desc *rxd;
5562
5563                 rxd = &tp->rx_std[i];
5564                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
5565                         << RXD_LEN_SHIFT;
5566                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5567                 rxd->opaque = (RXD_OPAQUE_RING_STD |
5568                                (i << RXD_OPAQUE_INDEX_SHIFT));
5569         }
5570
5571         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5572                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5573                         struct tg3_rx_buffer_desc *rxd;
5574
5575                         rxd = &tp->rx_jumbo[i];
5576                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
5577                                 << RXD_LEN_SHIFT;
5578                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5579                                 RXD_FLAG_JUMBO;
5580                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5581                                (i << RXD_OPAQUE_INDEX_SHIFT));
5582                 }
5583         }
5584
5585         /* Now allocate fresh SKBs for each rx ring. */
5586         for (i = 0; i < tp->rx_pending; i++) {
5587                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
5588                         printk(KERN_WARNING PFX
5589                                "%s: Using a smaller RX standard ring, "
5590                                "only %d out of %d buffers were allocated "
5591                                "successfully.\n",
5592                                tp->dev->name, i, tp->rx_pending);
5593                         if (i == 0)
5594                                 return -ENOMEM;
5595                         tp->rx_pending = i;
5596                         break;
5597                 }
5598         }
5599
5600         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5601                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
5602                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
5603                                              -1, i) < 0) {
5604                                 printk(KERN_WARNING PFX
5605                                        "%s: Using a smaller RX jumbo ring, "
5606                                        "only %d out of %d buffers were "
5607                                        "allocated successfully.\n",
5608                                        tp->dev->name, i, tp->rx_jumbo_pending);
5609                                 if (i == 0) {
5610                                         tg3_free_rings(tp);
5611                                         return -ENOMEM;
5612                                 }
5613                                 tp->rx_jumbo_pending = i;
5614                                 break;
5615                         }
5616                 }
5617         }
5618         return 0;
5619 }
5620
5621 /*
5622  * Must not be invoked with interrupt sources disabled and
5623  * the hardware shutdown down.
5624  */
5625 static void tg3_free_consistent(struct tg3 *tp)
5626 {
5627         kfree(tp->rx_std_buffers);
5628         tp->rx_std_buffers = NULL;
5629         if (tp->rx_std) {
5630                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
5631                                     tp->rx_std, tp->rx_std_mapping);
5632                 tp->rx_std = NULL;
5633         }
5634         if (tp->rx_jumbo) {
5635                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5636                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
5637                 tp->rx_jumbo = NULL;
5638         }
5639         if (tp->rx_rcb) {
5640                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5641                                     tp->rx_rcb, tp->rx_rcb_mapping);
5642                 tp->rx_rcb = NULL;
5643         }
5644         if (tp->tx_ring) {
5645                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5646                         tp->tx_ring, tp->tx_desc_mapping);
5647                 tp->tx_ring = NULL;
5648         }
5649         if (tp->hw_status) {
5650                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5651                                     tp->hw_status, tp->status_mapping);
5652                 tp->hw_status = NULL;
5653         }
5654         if (tp->hw_stats) {
5655                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5656                                     tp->hw_stats, tp->stats_mapping);
5657                 tp->hw_stats = NULL;
5658         }
5659 }
5660
5661 /*
5662  * Must not be invoked with interrupt sources disabled and
5663  * the hardware shutdown down.  Can sleep.
5664  */
5665 static int tg3_alloc_consistent(struct tg3 *tp)
5666 {
5667         tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
5668                                       (TG3_RX_RING_SIZE +
5669                                        TG3_RX_JUMBO_RING_SIZE)) +
5670                                      (sizeof(struct tx_ring_info) *
5671                                       TG3_TX_RING_SIZE),
5672                                      GFP_KERNEL);
5673         if (!tp->rx_std_buffers)
5674                 return -ENOMEM;
5675
5676         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
5677         tp->tx_buffers = (struct tx_ring_info *)
5678                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
5679
5680         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5681                                           &tp->rx_std_mapping);
5682         if (!tp->rx_std)
5683                 goto err_out;
5684
5685         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5686                                             &tp->rx_jumbo_mapping);
5687
5688         if (!tp->rx_jumbo)
5689                 goto err_out;
5690
5691         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5692                                           &tp->rx_rcb_mapping);
5693         if (!tp->rx_rcb)
5694                 goto err_out;
5695
5696         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
5697                                            &tp->tx_desc_mapping);
5698         if (!tp->tx_ring)
5699                 goto err_out;
5700
5701         tp->hw_status = pci_alloc_consistent(tp->pdev,
5702                                              TG3_HW_STATUS_SIZE,
5703                                              &tp->status_mapping);
5704         if (!tp->hw_status)
5705                 goto err_out;
5706
5707         tp->hw_stats = pci_alloc_consistent(tp->pdev,
5708                                             sizeof(struct tg3_hw_stats),
5709                                             &tp->stats_mapping);
5710         if (!tp->hw_stats)
5711                 goto err_out;
5712
5713         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5714         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5715
5716         return 0;
5717
5718 err_out:
5719         tg3_free_consistent(tp);
5720         return -ENOMEM;
5721 }
5722
5723 #define MAX_WAIT_CNT 1000
5724
5725 /* To stop a block, clear the enable bit and poll till it
5726  * clears.  tp->lock is held.
5727  */
5728 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
5729 {
5730         unsigned int i;
5731         u32 val;
5732
5733         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5734                 switch (ofs) {
5735                 case RCVLSC_MODE:
5736                 case DMAC_MODE:
5737                 case MBFREE_MODE:
5738                 case BUFMGR_MODE:
5739                 case MEMARB_MODE:
5740                         /* We can't enable/disable these bits of the
5741                          * 5705/5750, just say success.
5742                          */
5743                         return 0;
5744
5745                 default:
5746                         break;
5747                 }
5748         }
5749
5750         val = tr32(ofs);
5751         val &= ~enable_bit;
5752         tw32_f(ofs, val);
5753
5754         for (i = 0; i < MAX_WAIT_CNT; i++) {
5755                 udelay(100);
5756                 val = tr32(ofs);
5757                 if ((val & enable_bit) == 0)
5758                         break;
5759         }
5760
5761         if (i == MAX_WAIT_CNT && !silent) {
5762                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
5763                        "ofs=%lx enable_bit=%x\n",
5764                        ofs, enable_bit);
5765                 return -ENODEV;
5766         }
5767
5768         return 0;
5769 }
5770
5771 /* tp->lock is held. */
5772 static int tg3_abort_hw(struct tg3 *tp, int silent)
5773 {
5774         int i, err;
5775
5776         tg3_disable_ints(tp);
5777
5778         tp->rx_mode &= ~RX_MODE_ENABLE;
5779         tw32_f(MAC_RX_MODE, tp->rx_mode);
5780         udelay(10);
5781
5782         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
5783         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
5784         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
5785         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
5786         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
5787         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
5788
5789         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
5790         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
5791         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
5792         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
5793         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
5794         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
5795         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
5796
5797         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
5798         tw32_f(MAC_MODE, tp->mac_mode);
5799         udelay(40);
5800
5801         tp->tx_mode &= ~TX_MODE_ENABLE;
5802         tw32_f(MAC_TX_MODE, tp->tx_mode);
5803
5804         for (i = 0; i < MAX_WAIT_CNT; i++) {
5805                 udelay(100);
5806                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
5807                         break;
5808         }
5809         if (i >= MAX_WAIT_CNT) {
5810                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
5811                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
5812                        tp->dev->name, tr32(MAC_TX_MODE));
5813                 err |= -ENODEV;
5814         }
5815
5816         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
5817         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
5818         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
5819
5820         tw32(FTQ_RESET, 0xffffffff);
5821         tw32(FTQ_RESET, 0x00000000);
5822
5823         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
5824         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
5825
5826         if (tp->hw_status)
5827                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5828         if (tp->hw_stats)
5829                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5830
5831         return err;
5832 }
5833
5834 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
5835 {
5836         int i;
5837         u32 apedata;
5838
5839         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
5840         if (apedata != APE_SEG_SIG_MAGIC)
5841                 return;
5842
5843         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
5844         if (!(apedata & APE_FW_STATUS_READY))
5845                 return;
5846
5847         /* Wait for up to 1 millisecond for APE to service previous event. */
5848         for (i = 0; i < 10; i++) {
5849                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
5850                         return;
5851
5852                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
5853
5854                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5855                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
5856                                         event | APE_EVENT_STATUS_EVENT_PENDING);
5857
5858                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
5859
5860                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5861                         break;
5862
5863                 udelay(100);
5864         }
5865
5866         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5867                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
5868 }
5869
5870 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
5871 {
5872         u32 event;
5873         u32 apedata;
5874
5875         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
5876                 return;
5877
5878         switch (kind) {
5879                 case RESET_KIND_INIT:
5880                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
5881                                         APE_HOST_SEG_SIG_MAGIC);
5882                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
5883                                         APE_HOST_SEG_LEN_MAGIC);
5884                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
5885                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
5886                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
5887                                         APE_HOST_DRIVER_ID_MAGIC);
5888                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
5889                                         APE_HOST_BEHAV_NO_PHYLOCK);
5890
5891                         event = APE_EVENT_STATUS_STATE_START;
5892                         break;
5893                 case RESET_KIND_SHUTDOWN:
5894                         /* With the interface we are currently using,
5895                          * APE does not track driver state.  Wiping
5896                          * out the HOST SEGMENT SIGNATURE forces
5897                          * the APE to assume OS absent status.
5898                          */
5899                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
5900
5901                         event = APE_EVENT_STATUS_STATE_UNLOAD;
5902                         break;
5903                 case RESET_KIND_SUSPEND:
5904                         event = APE_EVENT_STATUS_STATE_SUSPEND;
5905                         break;
5906                 default:
5907                         return;
5908         }
5909
5910         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
5911
5912         tg3_ape_send_event(tp, event);
5913 }
5914
5915 /* tp->lock is held. */
5916 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
5917 {
5918         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
5919                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
5920
5921         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5922                 switch (kind) {
5923                 case RESET_KIND_INIT:
5924                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5925                                       DRV_STATE_START);
5926                         break;
5927
5928                 case RESET_KIND_SHUTDOWN:
5929                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5930                                       DRV_STATE_UNLOAD);
5931                         break;
5932
5933                 case RESET_KIND_SUSPEND:
5934                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5935                                       DRV_STATE_SUSPEND);
5936                         break;
5937
5938                 default:
5939                         break;
5940                 }
5941         }
5942
5943         if (kind == RESET_KIND_INIT ||
5944             kind == RESET_KIND_SUSPEND)
5945                 tg3_ape_driver_state_change(tp, kind);
5946 }
5947
5948 /* tp->lock is held. */
5949 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
5950 {
5951         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5952                 switch (kind) {
5953                 case RESET_KIND_INIT:
5954                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5955                                       DRV_STATE_START_DONE);
5956                         break;
5957
5958                 case RESET_KIND_SHUTDOWN:
5959                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5960                                       DRV_STATE_UNLOAD_DONE);
5961                         break;
5962
5963                 default:
5964                         break;
5965                 }
5966         }
5967
5968         if (kind == RESET_KIND_SHUTDOWN)
5969                 tg3_ape_driver_state_change(tp, kind);
5970 }
5971
5972 /* tp->lock is held. */
5973 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
5974 {
5975         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5976                 switch (kind) {
5977                 case RESET_KIND_INIT:
5978                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5979                                       DRV_STATE_START);
5980                         break;
5981
5982                 case RESET_KIND_SHUTDOWN:
5983                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5984                                       DRV_STATE_UNLOAD);
5985                         break;
5986
5987                 case RESET_KIND_SUSPEND:
5988                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5989                                       DRV_STATE_SUSPEND);
5990                         break;
5991
5992                 default:
5993                         break;
5994                 }
5995         }
5996 }
5997
5998 static int tg3_poll_fw(struct tg3 *tp)
5999 {
6000         int i;
6001         u32 val;
6002
6003         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6004                 /* Wait up to 20ms for init done. */
6005                 for (i = 0; i < 200; i++) {
6006                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6007                                 return 0;
6008                         udelay(100);
6009                 }
6010                 return -ENODEV;
6011         }
6012
6013         /* Wait for firmware initialization to complete. */
6014         for (i = 0; i < 100000; i++) {
6015                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6016                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6017                         break;
6018                 udelay(10);
6019         }
6020
6021         /* Chip might not be fitted with firmware.  Some Sun onboard
6022          * parts are configured like that.  So don't signal the timeout
6023          * of the above loop as an error, but do report the lack of
6024          * running firmware once.
6025          */
6026         if (i >= 100000 &&
6027             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6028                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6029
6030                 printk(KERN_INFO PFX "%s: No firmware running.\n",
6031                        tp->dev->name);
6032         }
6033
6034         return 0;
6035 }
6036
6037 /* Save PCI command register before chip reset */
6038 static void tg3_save_pci_state(struct tg3 *tp)
6039 {
6040         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6041 }
6042
6043 /* Restore PCI state after chip reset */
6044 static void tg3_restore_pci_state(struct tg3 *tp)
6045 {
6046         u32 val;
6047
6048         /* Re-enable indirect register accesses. */
6049         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6050                                tp->misc_host_ctrl);
6051
6052         /* Set MAX PCI retry to zero. */
6053         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6054         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6055             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6056                 val |= PCISTATE_RETRY_SAME_DMA;
6057         /* Allow reads and writes to the APE register and memory space. */
6058         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6059                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6060                        PCISTATE_ALLOW_APE_SHMEM_WR;
6061         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6062
6063         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6064
6065         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6066                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6067                         pcie_set_readrq(tp->pdev, 4096);
6068                 else {
6069                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6070                                               tp->pci_cacheline_sz);
6071                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6072                                               tp->pci_lat_timer);
6073                 }
6074         }
6075
6076         /* Make sure PCI-X relaxed ordering bit is clear. */
6077         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6078                 u16 pcix_cmd;
6079
6080                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6081                                      &pcix_cmd);
6082                 pcix_cmd &= ~PCI_X_CMD_ERO;
6083                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6084                                       pcix_cmd);
6085         }
6086
6087         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6088
6089                 /* Chip reset on 5780 will reset MSI enable bit,
6090                  * so need to restore it.
6091                  */
6092                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6093                         u16 ctrl;
6094
6095                         pci_read_config_word(tp->pdev,
6096                                              tp->msi_cap + PCI_MSI_FLAGS,
6097                                              &ctrl);
6098                         pci_write_config_word(tp->pdev,
6099                                               tp->msi_cap + PCI_MSI_FLAGS,
6100                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6101                         val = tr32(MSGINT_MODE);
6102                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6103                 }
6104         }
6105 }
6106
6107 static void tg3_stop_fw(struct tg3 *);
6108
6109 /* tp->lock is held. */
6110 static int tg3_chip_reset(struct tg3 *tp)
6111 {
6112         u32 val;
6113         void (*write_op)(struct tg3 *, u32, u32);
6114         int err;
6115
6116         tg3_nvram_lock(tp);
6117
6118         tg3_mdio_stop(tp);
6119
6120         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6121
6122         /* No matching tg3_nvram_unlock() after this because
6123          * chip reset below will undo the nvram lock.
6124          */
6125         tp->nvram_lock_cnt = 0;
6126
6127         /* GRC_MISC_CFG core clock reset will clear the memory
6128          * enable bit in PCI register 4 and the MSI enable bit
6129          * on some chips, so we save relevant registers here.
6130          */
6131         tg3_save_pci_state(tp);
6132
6133         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6134             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6135                 tw32(GRC_FASTBOOT_PC, 0);
6136
6137         /*
6138          * We must avoid the readl() that normally takes place.
6139          * It locks machines, causes machine checks, and other
6140          * fun things.  So, temporarily disable the 5701
6141          * hardware workaround, while we do the reset.
6142          */
6143         write_op = tp->write32;
6144         if (write_op == tg3_write_flush_reg32)
6145                 tp->write32 = tg3_write32;
6146
6147         /* Prevent the irq handler from reading or writing PCI registers
6148          * during chip reset when the memory enable bit in the PCI command
6149          * register may be cleared.  The chip does not generate interrupt
6150          * at this time, but the irq handler may still be called due to irq
6151          * sharing or irqpoll.
6152          */
6153         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6154         if (tp->hw_status) {
6155                 tp->hw_status->status = 0;
6156                 tp->hw_status->status_tag = 0;
6157         }
6158         tp->last_tag = 0;
6159         smp_mb();
6160         synchronize_irq(tp->pdev->irq);
6161
6162         /* do the reset */
6163         val = GRC_MISC_CFG_CORECLK_RESET;
6164
6165         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6166                 if (tr32(0x7e2c) == 0x60) {
6167                         tw32(0x7e2c, 0x20);
6168                 }
6169                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6170                         tw32(GRC_MISC_CFG, (1 << 29));
6171                         val |= (1 << 29);
6172                 }
6173         }
6174
6175         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6176                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6177                 tw32(GRC_VCPU_EXT_CTRL,
6178                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6179         }
6180
6181         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6182                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6183         tw32(GRC_MISC_CFG, val);
6184
6185         /* restore 5701 hardware bug workaround write method */
6186         tp->write32 = write_op;
6187
6188         /* Unfortunately, we have to delay before the PCI read back.
6189          * Some 575X chips even will not respond to a PCI cfg access
6190          * when the reset command is given to the chip.
6191          *
6192          * How do these hardware designers expect things to work
6193          * properly if the PCI write is posted for a long period
6194          * of time?  It is always necessary to have some method by
6195          * which a register read back can occur to push the write
6196          * out which does the reset.
6197          *
6198          * For most tg3 variants the trick below was working.
6199          * Ho hum...
6200          */
6201         udelay(120);
6202
6203         /* Flush PCI posted writes.  The normal MMIO registers
6204          * are inaccessible at this time so this is the only
6205          * way to make this reliably (actually, this is no longer
6206          * the case, see above).  I tried to use indirect
6207          * register read/write but this upset some 5701 variants.
6208          */
6209         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6210
6211         udelay(120);
6212
6213         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6214                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6215                         int i;
6216                         u32 cfg_val;
6217
6218                         /* Wait for link training to complete.  */
6219                         for (i = 0; i < 5000; i++)
6220                                 udelay(100);
6221
6222                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6223                         pci_write_config_dword(tp->pdev, 0xc4,
6224                                                cfg_val | (1 << 15));
6225                 }
6226
6227                 /* Set PCIE max payload size to 128 bytes and
6228                  * clear the "no snoop" and "relaxed ordering" bits.
6229                  */
6230                 pci_write_config_word(tp->pdev,
6231                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6232                                       0);
6233
6234                 pcie_set_readrq(tp->pdev, 4096);
6235
6236                 /* Clear error status */
6237                 pci_write_config_word(tp->pdev,
6238                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6239                                       PCI_EXP_DEVSTA_CED |
6240                                       PCI_EXP_DEVSTA_NFED |
6241                                       PCI_EXP_DEVSTA_FED |
6242                                       PCI_EXP_DEVSTA_URD);
6243         }
6244
6245         tg3_restore_pci_state(tp);
6246
6247         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6248
6249         val = 0;
6250         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6251                 val = tr32(MEMARB_MODE);
6252         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6253
6254         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6255                 tg3_stop_fw(tp);
6256                 tw32(0x5000, 0x400);
6257         }
6258
6259         tw32(GRC_MODE, tp->grc_mode);
6260
6261         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6262                 val = tr32(0xc4);
6263
6264                 tw32(0xc4, val | (1 << 15));
6265         }
6266
6267         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6268             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6269                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6270                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6271                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6272                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6273         }
6274
6275         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6276                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6277                 tw32_f(MAC_MODE, tp->mac_mode);
6278         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6279                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6280                 tw32_f(MAC_MODE, tp->mac_mode);
6281         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6282                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6283                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6284                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6285                 tw32_f(MAC_MODE, tp->mac_mode);
6286         } else
6287                 tw32_f(MAC_MODE, 0);
6288         udelay(40);
6289
6290         tg3_mdio_start(tp);
6291
6292         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6293
6294         err = tg3_poll_fw(tp);
6295         if (err)
6296                 return err;
6297
6298         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
6299             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6300                 val = tr32(0x7c00);
6301
6302                 tw32(0x7c00, val | (1 << 25));
6303         }
6304
6305         /* Reprobe ASF enable state.  */
6306         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6307         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6308         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6309         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6310                 u32 nic_cfg;
6311
6312                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6313                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6314                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
6315                         tp->last_event_jiffies = jiffies;
6316                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
6317                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6318                 }
6319         }
6320
6321         return 0;
6322 }
6323
6324 /* tp->lock is held. */
6325 static void tg3_stop_fw(struct tg3 *tp)
6326 {
6327         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6328            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
6329                 /* Wait for RX cpu to ACK the previous event. */
6330                 tg3_wait_for_event_ack(tp);
6331
6332                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
6333
6334                 tg3_generate_fw_event(tp);
6335
6336                 /* Wait for RX cpu to ACK this event. */
6337                 tg3_wait_for_event_ack(tp);
6338         }
6339 }
6340
6341 /* tp->lock is held. */
6342 static int tg3_halt(struct tg3 *tp, int kind, int silent)
6343 {
6344         int err;
6345
6346         tg3_stop_fw(tp);
6347
6348         tg3_write_sig_pre_reset(tp, kind);
6349
6350         tg3_abort_hw(tp, silent);
6351         err = tg3_chip_reset(tp);
6352
6353         tg3_write_sig_legacy(tp, kind);
6354         tg3_write_sig_post_reset(tp, kind);
6355
6356         if (err)
6357                 return err;
6358
6359         return 0;
6360 }
6361
6362 #define RX_CPU_SCRATCH_BASE     0x30000
6363 #define RX_CPU_SCRATCH_SIZE     0x04000
6364 #define TX_CPU_SCRATCH_BASE     0x34000
6365 #define TX_CPU_SCRATCH_SIZE     0x04000
6366
6367 /* tp->lock is held. */
6368 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6369 {
6370         int i;
6371
6372         BUG_ON(offset == TX_CPU_BASE &&
6373             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
6374
6375         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6376                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6377
6378                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6379                 return 0;
6380         }
6381         if (offset == RX_CPU_BASE) {
6382                 for (i = 0; i < 10000; i++) {
6383                         tw32(offset + CPU_STATE, 0xffffffff);
6384                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6385                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6386                                 break;
6387                 }
6388
6389                 tw32(offset + CPU_STATE, 0xffffffff);
6390                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
6391                 udelay(10);
6392         } else {
6393                 for (i = 0; i < 10000; i++) {
6394                         tw32(offset + CPU_STATE, 0xffffffff);
6395                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6396                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6397                                 break;
6398                 }
6399         }
6400
6401         if (i >= 10000) {
6402                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6403                        "and %s CPU\n",
6404                        tp->dev->name,
6405                        (offset == RX_CPU_BASE ? "RX" : "TX"));
6406                 return -ENODEV;
6407         }
6408
6409         /* Clear firmware's nvram arbitration. */
6410         if (tp->tg3_flags & TG3_FLAG_NVRAM)
6411                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
6412         return 0;
6413 }
6414
6415 struct fw_info {
6416         unsigned int fw_base;
6417         unsigned int fw_len;
6418         const __be32 *fw_data;
6419 };
6420
6421 /* tp->lock is held. */
6422 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6423                                  int cpu_scratch_size, struct fw_info *info)
6424 {
6425         int err, lock_err, i;
6426         void (*write_op)(struct tg3 *, u32, u32);
6427
6428         if (cpu_base == TX_CPU_BASE &&
6429             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6430                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6431                        "TX cpu firmware on %s which is 5705.\n",
6432                        tp->dev->name);
6433                 return -EINVAL;
6434         }
6435
6436         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6437                 write_op = tg3_write_mem;
6438         else
6439                 write_op = tg3_write_indirect_reg32;
6440
6441         /* It is possible that bootcode is still loading at this point.
6442          * Get the nvram lock first before halting the cpu.
6443          */
6444         lock_err = tg3_nvram_lock(tp);
6445         err = tg3_halt_cpu(tp, cpu_base);
6446         if (!lock_err)
6447                 tg3_nvram_unlock(tp);
6448         if (err)
6449                 goto out;
6450
6451         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6452                 write_op(tp, cpu_scratch_base + i, 0);
6453         tw32(cpu_base + CPU_STATE, 0xffffffff);
6454         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
6455         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
6456                 write_op(tp, (cpu_scratch_base +
6457                               (info->fw_base & 0xffff) +
6458                               (i * sizeof(u32))),
6459                               be32_to_cpu(info->fw_data[i]));
6460
6461         err = 0;
6462
6463 out:
6464         return err;
6465 }
6466
6467 /* tp->lock is held. */
6468 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6469 {
6470         struct fw_info info;
6471         const __be32 *fw_data;
6472         int err, i;
6473
6474         fw_data = (void *)tp->fw->data;
6475
6476         /* Firmware blob starts with version numbers, followed by
6477            start address and length. We are setting complete length.
6478            length = end_address_of_bss - start_address_of_text.
6479            Remainder is the blob to be loaded contiguously
6480            from start address. */
6481
6482         info.fw_base = be32_to_cpu(fw_data[1]);
6483         info.fw_len = tp->fw->size - 12;
6484         info.fw_data = &fw_data[3];
6485
6486         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6487                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6488                                     &info);
6489         if (err)
6490                 return err;
6491
6492         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6493                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6494                                     &info);
6495         if (err)
6496                 return err;
6497
6498         /* Now startup only the RX cpu. */
6499         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6500         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6501
6502         for (i = 0; i < 5; i++) {
6503                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
6504                         break;
6505                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6506                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
6507                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6508                 udelay(1000);
6509         }
6510         if (i >= 5) {
6511                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6512                        "to set RX CPU PC, is %08x should be %08x\n",
6513                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
6514                        info.fw_base);
6515                 return -ENODEV;
6516         }
6517         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6518         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
6519
6520         return 0;
6521 }
6522
6523 /* 5705 needs a special version of the TSO firmware.  */
6524
6525 /* tp->lock is held. */
6526 static int tg3_load_tso_firmware(struct tg3 *tp)
6527 {
6528         struct fw_info info;
6529         const __be32 *fw_data;
6530         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6531         int err, i;
6532
6533         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6534                 return 0;
6535
6536         fw_data = (void *)tp->fw->data;
6537
6538         /* Firmware blob starts with version numbers, followed by
6539            start address and length. We are setting complete length.
6540            length = end_address_of_bss - start_address_of_text.
6541            Remainder is the blob to be loaded contiguously
6542            from start address. */
6543
6544         info.fw_base = be32_to_cpu(fw_data[1]);
6545         cpu_scratch_size = tp->fw_len;
6546         info.fw_len = tp->fw->size - 12;
6547         info.fw_data = &fw_data[3];
6548
6549         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6550                 cpu_base = RX_CPU_BASE;
6551                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6552         } else {
6553                 cpu_base = TX_CPU_BASE;
6554                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6555                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6556         }
6557
6558         err = tg3_load_firmware_cpu(tp, cpu_base,
6559                                     cpu_scratch_base, cpu_scratch_size,
6560                                     &info);
6561         if (err)
6562                 return err;
6563
6564         /* Now startup the cpu. */
6565         tw32(cpu_base + CPU_STATE, 0xffffffff);
6566         tw32_f(cpu_base + CPU_PC, info.fw_base);
6567
6568         for (i = 0; i < 5; i++) {
6569                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
6570                         break;
6571                 tw32(cpu_base + CPU_STATE, 0xffffffff);
6572                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
6573                 tw32_f(cpu_base + CPU_PC, info.fw_base);
6574                 udelay(1000);
6575         }
6576         if (i >= 5) {
6577                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6578                        "to set CPU PC, is %08x should be %08x\n",
6579                        tp->dev->name, tr32(cpu_base + CPU_PC),
6580                        info.fw_base);
6581                 return -ENODEV;
6582         }
6583         tw32(cpu_base + CPU_STATE, 0xffffffff);
6584         tw32_f(cpu_base + CPU_MODE,  0x00000000);
6585         return 0;
6586 }
6587
6588
6589 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6590 {
6591         struct tg3 *tp = netdev_priv(dev);
6592         struct sockaddr *addr = p;
6593         int err = 0, skip_mac_1 = 0;
6594
6595         if (!is_valid_ether_addr(addr->sa_data))
6596                 return -EINVAL;
6597
6598         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6599
6600         if (!netif_running(dev))
6601                 return 0;
6602
6603         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6604                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6605
6606                 addr0_high = tr32(MAC_ADDR_0_HIGH);
6607                 addr0_low = tr32(MAC_ADDR_0_LOW);
6608                 addr1_high = tr32(MAC_ADDR_1_HIGH);
6609                 addr1_low = tr32(MAC_ADDR_1_LOW);
6610
6611                 /* Skip MAC addr 1 if ASF is using it. */
6612                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6613                     !(addr1_high == 0 && addr1_low == 0))
6614                         skip_mac_1 = 1;
6615         }
6616         spin_lock_bh(&tp->lock);
6617         __tg3_set_mac_addr(tp, skip_mac_1);
6618         spin_unlock_bh(&tp->lock);
6619
6620         return err;
6621 }
6622
6623 /* tp->lock is held. */
6624 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6625                            dma_addr_t mapping, u32 maxlen_flags,
6626                            u32 nic_addr)
6627 {
6628         tg3_write_mem(tp,
6629                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6630                       ((u64) mapping >> 32));
6631         tg3_write_mem(tp,
6632                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6633                       ((u64) mapping & 0xffffffff));
6634         tg3_write_mem(tp,
6635                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6636                        maxlen_flags);
6637
6638         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6639                 tg3_write_mem(tp,
6640                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6641                               nic_addr);
6642 }
6643
6644 static void __tg3_set_rx_mode(struct net_device *);
6645 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6646 {
6647         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6648         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6649         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6650         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6651         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6652                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6653                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6654         }
6655         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6656         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6657         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6658                 u32 val = ec->stats_block_coalesce_usecs;
6659
6660                 if (!netif_carrier_ok(tp->dev))
6661                         val = 0;
6662
6663                 tw32(HOSTCC_STAT_COAL_TICKS, val);
6664         }
6665 }
6666
6667 /* tp->lock is held. */
6668 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6669 {
6670         u32 val, rdmac_mode;
6671         int i, err, limit;
6672
6673         tg3_disable_ints(tp);
6674
6675         tg3_stop_fw(tp);
6676
6677         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6678
6679         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6680                 tg3_abort_hw(tp, 1);
6681         }
6682
6683         if (reset_phy &&
6684             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
6685                 tg3_phy_reset(tp);
6686
6687         err = tg3_chip_reset(tp);
6688         if (err)
6689                 return err;
6690
6691         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6692
6693         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
6694                 val = tr32(TG3_CPMU_CTRL);
6695                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6696                 tw32(TG3_CPMU_CTRL, val);
6697
6698                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
6699                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
6700                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
6701                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
6702
6703                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
6704                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
6705                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
6706                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
6707
6708                 val = tr32(TG3_CPMU_HST_ACC);
6709                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
6710                 val |= CPMU_HST_ACC_MACCLK_6_25;
6711                 tw32(TG3_CPMU_HST_ACC, val);
6712         }
6713
6714         /* This works around an issue with Athlon chipsets on
6715          * B3 tigon3 silicon.  This bit has no effect on any
6716          * other revision.  But do not set this on PCI Express
6717          * chips and don't even touch the clocks if the CPMU is present.
6718          */
6719         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6720                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6721                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6722                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6723         }
6724
6725         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6726             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6727                 val = tr32(TG3PCI_PCISTATE);
6728                 val |= PCISTATE_RETRY_SAME_DMA;
6729                 tw32(TG3PCI_PCISTATE, val);
6730         }
6731
6732         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6733                 /* Allow reads and writes to the
6734                  * APE register and memory space.
6735                  */
6736                 val = tr32(TG3PCI_PCISTATE);
6737                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6738                        PCISTATE_ALLOW_APE_SHMEM_WR;
6739                 tw32(TG3PCI_PCISTATE, val);
6740         }
6741
6742         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6743                 /* Enable some hw fixes.  */
6744                 val = tr32(TG3PCI_MSI_DATA);
6745                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6746                 tw32(TG3PCI_MSI_DATA, val);
6747         }
6748
6749         /* Descriptor ring init may make accesses to the
6750          * NIC SRAM area to setup the TX descriptors, so we
6751          * can only do this after the hardware has been
6752          * successfully reset.
6753          */
6754         err = tg3_init_rings(tp);
6755         if (err)
6756                 return err;
6757
6758         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
6759             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
6760                 /* This value is determined during the probe time DMA
6761                  * engine test, tg3_test_dma.
6762                  */
6763                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6764         }
6765
6766         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6767                           GRC_MODE_4X_NIC_SEND_RINGS |
6768                           GRC_MODE_NO_TX_PHDR_CSUM |
6769                           GRC_MODE_NO_RX_PHDR_CSUM);
6770         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6771
6772         /* Pseudo-header checksum is done by hardware logic and not
6773          * the offload processers, so make the chip do the pseudo-
6774          * header checksums on receive.  For transmit it is more
6775          * convenient to do the pseudo-header checksum in software
6776          * as Linux does that on transmit for us in all cases.
6777          */
6778         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6779
6780         tw32(GRC_MODE,
6781              tp->grc_mode |
6782              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6783
6784         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6785         val = tr32(GRC_MISC_CFG);
6786         val &= ~0xff;
6787         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6788         tw32(GRC_MISC_CFG, val);
6789
6790         /* Initialize MBUF/DESC pool. */
6791         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6792                 /* Do nothing.  */
6793         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6794                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6795                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6796                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6797                 else
6798                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6799                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6800                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6801         }
6802         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6803                 int fw_len;
6804
6805                 fw_len = tp->fw_len;
6806                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6807                 tw32(BUFMGR_MB_POOL_ADDR,
6808                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6809                 tw32(BUFMGR_MB_POOL_SIZE,
6810                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6811         }
6812
6813         if (tp->dev->mtu <= ETH_DATA_LEN) {
6814                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6815                      tp->bufmgr_config.mbuf_read_dma_low_water);
6816                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6817                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6818                 tw32(BUFMGR_MB_HIGH_WATER,
6819                      tp->bufmgr_config.mbuf_high_water);
6820         } else {
6821                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6822                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6823                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6824                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6825                 tw32(BUFMGR_MB_HIGH_WATER,
6826                      tp->bufmgr_config.mbuf_high_water_jumbo);
6827         }
6828         tw32(BUFMGR_DMA_LOW_WATER,
6829              tp->bufmgr_config.dma_low_water);
6830         tw32(BUFMGR_DMA_HIGH_WATER,
6831              tp->bufmgr_config.dma_high_water);
6832
6833         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6834         for (i = 0; i < 2000; i++) {
6835                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6836                         break;
6837                 udelay(10);
6838         }
6839         if (i >= 2000) {
6840                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6841                        tp->dev->name);
6842                 return -ENODEV;
6843         }
6844
6845         /* Setup replenish threshold. */
6846         val = tp->rx_pending / 8;
6847         if (val == 0)
6848                 val = 1;
6849         else if (val > tp->rx_std_max_post)
6850                 val = tp->rx_std_max_post;
6851         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6852                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6853                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6854
6855                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6856                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6857         }
6858
6859         tw32(RCVBDI_STD_THRESH, val);
6860
6861         /* Initialize TG3_BDINFO's at:
6862          *  RCVDBDI_STD_BD:     standard eth size rx ring
6863          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6864          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6865          *
6866          * like so:
6867          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6868          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6869          *                              ring attribute flags
6870          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6871          *
6872          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6873          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6874          *
6875          * The size of each ring is fixed in the firmware, but the location is
6876          * configurable.
6877          */
6878         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6879              ((u64) tp->rx_std_mapping >> 32));
6880         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6881              ((u64) tp->rx_std_mapping & 0xffffffff));
6882         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6883              NIC_SRAM_RX_BUFFER_DESC);
6884
6885         /* Don't even try to program the JUMBO/MINI buffer descriptor
6886          * configs on 5705.
6887          */
6888         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6889                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6890                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6891         } else {
6892                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6893                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6894
6895                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6896                      BDINFO_FLAGS_DISABLED);
6897
6898                 /* Setup replenish threshold. */
6899                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6900
6901                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6902                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6903                              ((u64) tp->rx_jumbo_mapping >> 32));
6904                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6905                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6906                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6907                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6908                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6909                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6910                 } else {
6911                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6912                              BDINFO_FLAGS_DISABLED);
6913                 }
6914
6915         }
6916
6917         /* There is only one send ring on 5705/5750, no need to explicitly
6918          * disable the others.
6919          */
6920         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6921                 /* Clear out send RCB ring in SRAM. */
6922                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6923                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6924                                       BDINFO_FLAGS_DISABLED);
6925         }
6926
6927         tp->tx_prod = 0;
6928         tp->tx_cons = 0;
6929         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6930         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6931
6932         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6933                        tp->tx_desc_mapping,
6934                        (TG3_TX_RING_SIZE <<
6935                         BDINFO_FLAGS_MAXLEN_SHIFT),
6936                        NIC_SRAM_TX_BUFFER_DESC);
6937
6938         /* There is only one receive return ring on 5705/5750, no need
6939          * to explicitly disable the others.
6940          */
6941         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6942                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6943                      i += TG3_BDINFO_SIZE) {
6944                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6945                                       BDINFO_FLAGS_DISABLED);
6946                 }
6947         }
6948
6949         tp->rx_rcb_ptr = 0;
6950         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6951
6952         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6953                        tp->rx_rcb_mapping,
6954                        (TG3_RX_RCB_RING_SIZE(tp) <<
6955                         BDINFO_FLAGS_MAXLEN_SHIFT),
6956                        0);
6957
6958         tp->rx_std_ptr = tp->rx_pending;
6959         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6960                      tp->rx_std_ptr);
6961
6962         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6963                                                 tp->rx_jumbo_pending : 0;
6964         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6965                      tp->rx_jumbo_ptr);
6966
6967         /* Initialize MAC address and backoff seed. */
6968         __tg3_set_mac_addr(tp, 0);
6969
6970         /* MTU + ethernet header + FCS + optional VLAN tag */
6971         tw32(MAC_RX_MTU_SIZE,
6972              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
6973
6974         /* The slot time is changed by tg3_setup_phy if we
6975          * run at gigabit with half duplex.
6976          */
6977         tw32(MAC_TX_LENGTHS,
6978              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6979              (6 << TX_LENGTHS_IPG_SHIFT) |
6980              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6981
6982         /* Receive rules. */
6983         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6984         tw32(RCVLPC_CONFIG, 0x0181);
6985
6986         /* Calculate RDMAC_MODE setting early, we need it to determine
6987          * the RCVLPC_STATE_ENABLE mask.
6988          */
6989         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6990                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6991                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6992                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6993                       RDMAC_MODE_LNGREAD_ENAB);
6994
6995         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
6996             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
6997             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
6998                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
6999                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7000                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7001
7002         /* If statement applies to 5705 and 5750 PCI devices only */
7003         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7004              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7005             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7006                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7007                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7008                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7009                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7010                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7011                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7012                 }
7013         }
7014
7015         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7016                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7017
7018         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7019                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7020
7021         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7022             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7023                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7024
7025         /* Receive/send statistics. */
7026         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7027                 val = tr32(RCVLPC_STATS_ENABLE);
7028                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7029                 tw32(RCVLPC_STATS_ENABLE, val);
7030         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7031                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7032                 val = tr32(RCVLPC_STATS_ENABLE);
7033                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7034                 tw32(RCVLPC_STATS_ENABLE, val);
7035         } else {
7036                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7037         }
7038         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7039         tw32(SNDDATAI_STATSENAB, 0xffffff);
7040         tw32(SNDDATAI_STATSCTRL,
7041              (SNDDATAI_SCTRL_ENABLE |
7042               SNDDATAI_SCTRL_FASTUPD));
7043
7044         /* Setup host coalescing engine. */
7045         tw32(HOSTCC_MODE, 0);
7046         for (i = 0; i < 2000; i++) {
7047                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7048                         break;
7049                 udelay(10);
7050         }
7051
7052         __tg3_set_coalesce(tp, &tp->coal);
7053
7054         /* set status block DMA address */
7055         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7056              ((u64) tp->status_mapping >> 32));
7057         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7058              ((u64) tp->status_mapping & 0xffffffff));
7059
7060         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7061                 /* Status/statistics block address.  See tg3_timer,
7062                  * the tg3_periodic_fetch_stats call there, and
7063                  * tg3_get_stats to see how this works for 5705/5750 chips.
7064                  */
7065                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7066                      ((u64) tp->stats_mapping >> 32));
7067                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7068                      ((u64) tp->stats_mapping & 0xffffffff));
7069                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7070                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7071         }
7072
7073         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7074
7075         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7076         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7077         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7078                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7079
7080         /* Clear statistics/status block in chip, and status block in ram. */
7081         for (i = NIC_SRAM_STATS_BLK;
7082              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7083              i += sizeof(u32)) {
7084                 tg3_write_mem(tp, i, 0);
7085                 udelay(40);
7086         }
7087         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
7088
7089         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7090                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7091                 /* reset to prevent losing 1st rx packet intermittently */
7092                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7093                 udelay(10);
7094         }
7095
7096         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7097                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7098         else
7099                 tp->mac_mode = 0;
7100         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7101                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7102         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7103             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7104             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7105                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
7106         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7107         udelay(40);
7108
7109         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
7110          * If TG3_FLG2_IS_NIC is zero, we should read the
7111          * register to preserve the GPIO settings for LOMs. The GPIOs,
7112          * whether used as inputs or outputs, are set by boot code after
7113          * reset.
7114          */
7115         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
7116                 u32 gpio_mask;
7117
7118                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7119                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7120                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
7121
7122                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7123                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7124                                      GRC_LCLCTRL_GPIO_OUTPUT3;
7125
7126                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7127                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7128
7129                 tp->grc_local_ctrl &= ~gpio_mask;
7130                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7131
7132                 /* GPIO1 must be driven high for eeprom write protect */
7133                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7134                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7135                                                GRC_LCLCTRL_GPIO_OUTPUT1);
7136         }
7137         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7138         udelay(100);
7139
7140         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
7141         tp->last_tag = 0;
7142
7143         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7144                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7145                 udelay(40);
7146         }
7147
7148         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7149                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7150                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7151                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7152                WDMAC_MODE_LNGREAD_ENAB);
7153
7154         /* If statement applies to 5705 and 5750 PCI devices only */
7155         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7156              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7157             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7158                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
7159                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7160                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7161                         /* nothing */
7162                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7163                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7164                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7165                         val |= WDMAC_MODE_RX_ACCEL;
7166                 }
7167         }
7168
7169         /* Enable host coalescing bug fix */
7170         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7171                 val |= WDMAC_MODE_STATUS_TAG_FIX;
7172
7173         tw32_f(WDMAC_MODE, val);
7174         udelay(40);
7175
7176         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7177                 u16 pcix_cmd;
7178
7179                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7180                                      &pcix_cmd);
7181                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
7182                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7183                         pcix_cmd |= PCI_X_CMD_READ_2K;
7184                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
7185                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7186                         pcix_cmd |= PCI_X_CMD_READ_2K;
7187                 }
7188                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7189                                       pcix_cmd);
7190         }
7191
7192         tw32_f(RDMAC_MODE, rdmac_mode);
7193         udelay(40);
7194
7195         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7196         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7197                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
7198
7199         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7200                 tw32(SNDDATAC_MODE,
7201                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7202         else
7203                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7204
7205         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7206         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7207         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7208         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
7209         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7210                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
7211         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
7212         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7213
7214         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7215                 err = tg3_load_5701_a0_firmware_fix(tp);
7216                 if (err)
7217                         return err;
7218         }
7219
7220         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7221                 err = tg3_load_tso_firmware(tp);
7222                 if (err)
7223                         return err;
7224         }
7225
7226         tp->tx_mode = TX_MODE_ENABLE;
7227         tw32_f(MAC_TX_MODE, tp->tx_mode);
7228         udelay(100);
7229
7230         tp->rx_mode = RX_MODE_ENABLE;
7231         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7232                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7233
7234         tw32_f(MAC_RX_MODE, tp->rx_mode);
7235         udelay(10);
7236
7237         tw32(MAC_LED_CTRL, tp->led_ctrl);
7238
7239         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
7240         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7241                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7242                 udelay(10);
7243         }
7244         tw32_f(MAC_RX_MODE, tp->rx_mode);
7245         udelay(10);
7246
7247         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7248                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7249                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7250                         /* Set drive transmission level to 1.2V  */
7251                         /* only if the signal pre-emphasis bit is not set  */
7252                         val = tr32(MAC_SERDES_CFG);
7253                         val &= 0xfffff000;
7254                         val |= 0x880;
7255                         tw32(MAC_SERDES_CFG, val);
7256                 }
7257                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7258                         tw32(MAC_SERDES_CFG, 0x616000);
7259         }
7260
7261         /* Prevent chip from dropping frames when flow control
7262          * is enabled.
7263          */
7264         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7265
7266         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7267             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7268                 /* Use hardware link auto-negotiation */
7269                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7270         }
7271
7272         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7273             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7274                 u32 tmp;
7275
7276                 tmp = tr32(SERDES_RX_CTRL);
7277                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7278                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7279                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7280                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7281         }
7282
7283         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7284                 if (tp->link_config.phy_is_low_power) {
7285                         tp->link_config.phy_is_low_power = 0;
7286                         tp->link_config.speed = tp->link_config.orig_speed;
7287                         tp->link_config.duplex = tp->link_config.orig_duplex;
7288                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
7289                 }
7290
7291                 err = tg3_setup_phy(tp, 0);
7292                 if (err)
7293                         return err;
7294
7295                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7296                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
7297                         u32 tmp;
7298
7299                         /* Clear CRC stats. */
7300                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7301                                 tg3_writephy(tp, MII_TG3_TEST1,
7302                                              tmp | MII_TG3_TEST1_CRC_EN);
7303                                 tg3_readphy(tp, 0x14, &tmp);
7304                         }
7305                 }
7306         }
7307
7308         __tg3_set_rx_mode(tp->dev);
7309
7310         /* Initialize receive rules. */
7311         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
7312         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7313         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
7314         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7315
7316         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7317             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
7318                 limit = 8;
7319         else
7320                 limit = 16;
7321         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7322                 limit -= 4;
7323         switch (limit) {
7324         case 16:
7325                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
7326         case 15:
7327                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
7328         case 14:
7329                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
7330         case 13:
7331                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
7332         case 12:
7333                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
7334         case 11:
7335                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
7336         case 10:
7337                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
7338         case 9:
7339                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
7340         case 8:
7341                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
7342         case 7:
7343                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
7344         case 6:
7345                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
7346         case 5:
7347                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
7348         case 4:
7349                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
7350         case 3:
7351                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
7352         case 2:
7353         case 1:
7354
7355         default:
7356                 break;
7357         }
7358
7359         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7360                 /* Write our heartbeat update interval to APE. */
7361                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7362                                 APE_HOST_HEARTBEAT_INT_DISABLE);
7363
7364         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7365
7366         return 0;
7367 }
7368
7369 /* Called at device open time to get the chip ready for
7370  * packet processing.  Invoked with tp->lock held.
7371  */
7372 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7373 {
7374         tg3_switch_clocks(tp);
7375
7376         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7377
7378         return tg3_reset_hw(tp, reset_phy);
7379 }
7380
7381 #define TG3_STAT_ADD32(PSTAT, REG) \
7382 do {    u32 __val = tr32(REG); \
7383         (PSTAT)->low += __val; \
7384         if ((PSTAT)->low < __val) \
7385                 (PSTAT)->high += 1; \
7386 } while (0)
7387
7388 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7389 {
7390         struct tg3_hw_stats *sp = tp->hw_stats;
7391
7392         if (!netif_carrier_ok(tp->dev))
7393                 return;
7394
7395         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7396         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7397         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7398         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7399         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7400         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7401         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7402         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7403         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7404         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7405         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7406         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7407         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7408
7409         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7410         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7411         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7412         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7413         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7414         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7415         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7416         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7417         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7418         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7419         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7420         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7421         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7422         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
7423
7424         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7425         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7426         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
7427 }
7428
7429 static void tg3_timer(unsigned long __opaque)
7430 {
7431         struct tg3 *tp = (struct tg3 *) __opaque;
7432
7433         if (tp->irq_sync)
7434                 goto restart_timer;
7435
7436         spin_lock(&tp->lock);
7437
7438         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7439                 /* All of this garbage is because when using non-tagged
7440                  * IRQ status the mailbox/status_block protocol the chip
7441                  * uses with the cpu is race prone.
7442                  */
7443                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
7444                         tw32(GRC_LOCAL_CTRL,
7445                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7446                 } else {
7447                         tw32(HOSTCC_MODE, tp->coalesce_mode |
7448                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
7449                 }
7450
7451                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7452                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
7453                         spin_unlock(&tp->lock);
7454                         schedule_work(&tp->reset_task);
7455                         return;
7456                 }
7457         }
7458
7459         /* This part only runs once per second. */
7460         if (!--tp->timer_counter) {
7461                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7462                         tg3_periodic_fetch_stats(tp);
7463
7464                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7465                         u32 mac_stat;
7466                         int phy_event;
7467
7468                         mac_stat = tr32(MAC_STATUS);
7469
7470                         phy_event = 0;
7471                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7472                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7473                                         phy_event = 1;
7474                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7475                                 phy_event = 1;
7476
7477                         if (phy_event)
7478                                 tg3_setup_phy(tp, 0);
7479                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7480                         u32 mac_stat = tr32(MAC_STATUS);
7481                         int need_setup = 0;
7482
7483                         if (netif_carrier_ok(tp->dev) &&
7484                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7485                                 need_setup = 1;
7486                         }
7487                         if (! netif_carrier_ok(tp->dev) &&
7488                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
7489                                          MAC_STATUS_SIGNAL_DET))) {
7490                                 need_setup = 1;
7491                         }
7492                         if (need_setup) {
7493                                 if (!tp->serdes_counter) {
7494                                         tw32_f(MAC_MODE,
7495                                              (tp->mac_mode &
7496                                               ~MAC_MODE_PORT_MODE_MASK));
7497                                         udelay(40);
7498                                         tw32_f(MAC_MODE, tp->mac_mode);
7499                                         udelay(40);
7500                                 }
7501                                 tg3_setup_phy(tp, 0);
7502                         }
7503                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7504                         tg3_serdes_parallel_detect(tp);
7505
7506                 tp->timer_counter = tp->timer_multiplier;
7507         }
7508
7509         /* Heartbeat is only sent once every 2 seconds.
7510          *
7511          * The heartbeat is to tell the ASF firmware that the host
7512          * driver is still alive.  In the event that the OS crashes,
7513          * ASF needs to reset the hardware to free up the FIFO space
7514          * that may be filled with rx packets destined for the host.
7515          * If the FIFO is full, ASF will no longer function properly.
7516          *
7517          * Unintended resets have been reported on real time kernels
7518          * where the timer doesn't run on time.  Netpoll will also have
7519          * same problem.
7520          *
7521          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7522          * to check the ring condition when the heartbeat is expiring
7523          * before doing the reset.  This will prevent most unintended
7524          * resets.
7525          */
7526         if (!--tp->asf_counter) {
7527                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7528                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7529                         tg3_wait_for_event_ack(tp);
7530
7531                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
7532                                       FWCMD_NICDRV_ALIVE3);
7533                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
7534                         /* 5 seconds timeout */
7535                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
7536
7537                         tg3_generate_fw_event(tp);
7538                 }
7539                 tp->asf_counter = tp->asf_multiplier;
7540         }
7541
7542         spin_unlock(&tp->lock);
7543
7544 restart_timer:
7545         tp->timer.expires = jiffies + tp->timer_offset;
7546         add_timer(&tp->timer);
7547 }
7548
7549 static int tg3_request_irq(struct tg3 *tp)
7550 {
7551         irq_handler_t fn;
7552         unsigned long flags;
7553         struct net_device *dev = tp->dev;
7554
7555         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7556                 fn = tg3_msi;
7557                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7558                         fn = tg3_msi_1shot;
7559                 flags = IRQF_SAMPLE_RANDOM;
7560         } else {
7561                 fn = tg3_interrupt;
7562                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7563                         fn = tg3_interrupt_tagged;
7564                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
7565         }
7566         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
7567 }
7568
7569 static int tg3_test_interrupt(struct tg3 *tp)
7570 {
7571         struct net_device *dev = tp->dev;
7572         int err, i, intr_ok = 0;
7573
7574         if (!netif_running(dev))
7575                 return -ENODEV;
7576
7577         tg3_disable_ints(tp);
7578
7579         free_irq(tp->pdev->irq, dev);
7580
7581         err = request_irq(tp->pdev->irq, tg3_test_isr,
7582                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7583         if (err)
7584                 return err;
7585
7586         tp->hw_status->status &= ~SD_STATUS_UPDATED;
7587         tg3_enable_ints(tp);
7588
7589         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7590                HOSTCC_MODE_NOW);
7591
7592         for (i = 0; i < 5; i++) {
7593                 u32 int_mbox, misc_host_ctrl;
7594
7595                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
7596                                         TG3_64BIT_REG_LOW);
7597                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7598
7599                 if ((int_mbox != 0) ||
7600                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7601                         intr_ok = 1;
7602                         break;
7603                 }
7604
7605                 msleep(10);
7606         }
7607
7608         tg3_disable_ints(tp);
7609
7610         free_irq(tp->pdev->irq, dev);
7611
7612         err = tg3_request_irq(tp);
7613
7614         if (err)
7615                 return err;
7616
7617         if (intr_ok)
7618                 return 0;
7619
7620         return -EIO;
7621 }
7622
7623 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7624  * successfully restored
7625  */
7626 static int tg3_test_msi(struct tg3 *tp)
7627 {
7628         struct net_device *dev = tp->dev;
7629         int err;
7630         u16 pci_cmd;
7631
7632         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7633                 return 0;
7634
7635         /* Turn off SERR reporting in case MSI terminates with Master
7636          * Abort.
7637          */
7638         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7639         pci_write_config_word(tp->pdev, PCI_COMMAND,
7640                               pci_cmd & ~PCI_COMMAND_SERR);
7641
7642         err = tg3_test_interrupt(tp);
7643
7644         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7645
7646         if (!err)
7647                 return 0;
7648
7649         /* other failures */
7650         if (err != -EIO)
7651                 return err;
7652
7653         /* MSI test failed, go back to INTx mode */
7654         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7655                "switching to INTx mode. Please report this failure to "
7656                "the PCI maintainer and include system chipset information.\n",
7657                        tp->dev->name);
7658
7659         free_irq(tp->pdev->irq, dev);
7660         pci_disable_msi(tp->pdev);
7661
7662         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7663
7664         err = tg3_request_irq(tp);
7665         if (err)
7666                 return err;
7667
7668         /* Need to reset the chip because the MSI cycle may have terminated
7669          * with Master Abort.
7670          */
7671         tg3_full_lock(tp, 1);
7672
7673         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7674         err = tg3_init_hw(tp, 1);
7675
7676         tg3_full_unlock(tp);
7677
7678         if (err)
7679                 free_irq(tp->pdev->irq, dev);
7680
7681         return err;
7682 }
7683
7684 static int tg3_request_firmware(struct tg3 *tp)
7685 {
7686         const __be32 *fw_data;
7687
7688         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
7689                 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
7690                        tp->dev->name, tp->fw_needed);
7691                 return -ENOENT;
7692         }
7693
7694         fw_data = (void *)tp->fw->data;
7695
7696         /* Firmware blob starts with version numbers, followed by
7697          * start address and _full_ length including BSS sections
7698          * (which must be longer than the actual data, of course
7699          */
7700
7701         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
7702         if (tp->fw_len < (tp->fw->size - 12)) {
7703                 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
7704                        tp->dev->name, tp->fw_len, tp->fw_needed);
7705                 release_firmware(tp->fw);
7706                 tp->fw = NULL;
7707                 return -EINVAL;
7708         }
7709
7710         /* We no longer need firmware; we have it. */
7711         tp->fw_needed = NULL;
7712         return 0;
7713 }
7714
7715 static int tg3_open(struct net_device *dev)
7716 {
7717         struct tg3 *tp = netdev_priv(dev);
7718         int err;
7719
7720         if (tp->fw_needed) {
7721                 err = tg3_request_firmware(tp);
7722                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7723                         if (err)
7724                                 return err;
7725                 } else if (err) {
7726                         printk(KERN_WARNING "%s: TSO capability disabled.\n",
7727                                tp->dev->name);
7728                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
7729                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7730                         printk(KERN_NOTICE "%s: TSO capability restored.\n",
7731                                tp->dev->name);
7732                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
7733                 }
7734         }
7735
7736         netif_carrier_off(tp->dev);
7737
7738         err = tg3_set_power_state(tp, PCI_D0);
7739         if (err)
7740                 return err;
7741
7742         tg3_full_lock(tp, 0);
7743
7744         tg3_disable_ints(tp);
7745         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7746
7747         tg3_full_unlock(tp);
7748
7749         /* The placement of this call is tied
7750          * to the setup and use of Host TX descriptors.
7751          */
7752         err = tg3_alloc_consistent(tp);
7753         if (err)
7754                 return err;
7755
7756         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
7757                 /* All MSI supporting chips should support tagged
7758                  * status.  Assert that this is the case.
7759                  */
7760                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7761                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7762                                "Not using MSI.\n", tp->dev->name);
7763                 } else if (pci_enable_msi(tp->pdev) == 0) {
7764                         u32 msi_mode;
7765
7766                         msi_mode = tr32(MSGINT_MODE);
7767                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7768                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7769                 }
7770         }
7771         err = tg3_request_irq(tp);
7772
7773         if (err) {
7774                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7775                         pci_disable_msi(tp->pdev);
7776                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7777                 }
7778                 tg3_free_consistent(tp);
7779                 return err;
7780         }
7781
7782         napi_enable(&tp->napi);
7783
7784         tg3_full_lock(tp, 0);
7785
7786         err = tg3_init_hw(tp, 1);
7787         if (err) {
7788                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7789                 tg3_free_rings(tp);
7790         } else {
7791                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7792                         tp->timer_offset = HZ;
7793                 else
7794                         tp->timer_offset = HZ / 10;
7795
7796                 BUG_ON(tp->timer_offset > HZ);
7797                 tp->timer_counter = tp->timer_multiplier =
7798                         (HZ / tp->timer_offset);
7799                 tp->asf_counter = tp->asf_multiplier =
7800                         ((HZ / tp->timer_offset) * 2);
7801
7802                 init_timer(&tp->timer);
7803                 tp->timer.expires = jiffies + tp->timer_offset;
7804                 tp->timer.data = (unsigned long) tp;
7805                 tp->timer.function = tg3_timer;
7806         }
7807
7808         tg3_full_unlock(tp);
7809
7810         if (err) {
7811                 napi_disable(&tp->napi);
7812                 free_irq(tp->pdev->irq, dev);
7813                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7814                         pci_disable_msi(tp->pdev);
7815                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7816                 }
7817                 tg3_free_consistent(tp);
7818                 return err;
7819         }
7820
7821         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7822                 err = tg3_test_msi(tp);
7823
7824                 if (err) {
7825                         tg3_full_lock(tp, 0);
7826
7827                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7828                                 pci_disable_msi(tp->pdev);
7829                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7830                         }
7831                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7832                         tg3_free_rings(tp);
7833                         tg3_free_consistent(tp);
7834
7835                         tg3_full_unlock(tp);
7836
7837                         napi_disable(&tp->napi);
7838
7839                         return err;
7840                 }
7841
7842                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7843                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7844                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7845
7846                                 tw32(PCIE_TRANSACTION_CFG,
7847                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7848                         }
7849                 }
7850         }
7851
7852         tg3_phy_start(tp);
7853
7854         tg3_full_lock(tp, 0);
7855
7856         add_timer(&tp->timer);
7857         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7858         tg3_enable_ints(tp);
7859
7860         tg3_full_unlock(tp);
7861
7862         netif_start_queue(dev);
7863
7864         return 0;
7865 }
7866
7867 #if 0
7868 /*static*/ void tg3_dump_state(struct tg3 *tp)
7869 {
7870         u32 val32, val32_2, val32_3, val32_4, val32_5;
7871         u16 val16;
7872         int i;
7873
7874         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7875         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7876         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7877                val16, val32);
7878
7879         /* MAC block */
7880         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7881                tr32(MAC_MODE), tr32(MAC_STATUS));
7882         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7883                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7884         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7885                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7886         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7887                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7888
7889         /* Send data initiator control block */
7890         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7891                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7892         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7893                tr32(SNDDATAI_STATSCTRL));
7894
7895         /* Send data completion control block */
7896         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7897
7898         /* Send BD ring selector block */
7899         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7900                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7901
7902         /* Send BD initiator control block */
7903         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7904                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7905
7906         /* Send BD completion control block */
7907         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7908
7909         /* Receive list placement control block */
7910         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7911                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7912         printk("       RCVLPC_STATSCTRL[%08x]\n",
7913                tr32(RCVLPC_STATSCTRL));
7914
7915         /* Receive data and receive BD initiator control block */
7916         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7917                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7918
7919         /* Receive data completion control block */
7920         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7921                tr32(RCVDCC_MODE));
7922
7923         /* Receive BD initiator control block */
7924         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7925                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7926
7927         /* Receive BD completion control block */
7928         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7929                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7930
7931         /* Receive list selector control block */
7932         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7933                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7934
7935         /* Mbuf cluster free block */
7936         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7937                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7938
7939         /* Host coalescing control block */
7940         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7941                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7942         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7943                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7944                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7945         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7946                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7947                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7948         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7949                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7950         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7951                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7952
7953         /* Memory arbiter control block */
7954         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7955                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7956
7957         /* Buffer manager control block */
7958         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7959                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7960         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7961                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7962         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7963                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7964                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7965                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7966
7967         /* Read DMA control block */
7968         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7969                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7970
7971         /* Write DMA control block */
7972         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7973                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7974
7975         /* DMA completion block */
7976         printk("DEBUG: DMAC_MODE[%08x]\n",
7977                tr32(DMAC_MODE));
7978
7979         /* GRC block */
7980         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7981                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7982         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7983                tr32(GRC_LOCAL_CTRL));
7984
7985         /* TG3_BDINFOs */
7986         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7987                tr32(RCVDBDI_JUMBO_BD + 0x0),
7988                tr32(RCVDBDI_JUMBO_BD + 0x4),
7989                tr32(RCVDBDI_JUMBO_BD + 0x8),
7990                tr32(RCVDBDI_JUMBO_BD + 0xc));
7991         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7992                tr32(RCVDBDI_STD_BD + 0x0),
7993                tr32(RCVDBDI_STD_BD + 0x4),
7994                tr32(RCVDBDI_STD_BD + 0x8),
7995                tr32(RCVDBDI_STD_BD + 0xc));
7996         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7997                tr32(RCVDBDI_MINI_BD + 0x0),
7998                tr32(RCVDBDI_MINI_BD + 0x4),
7999                tr32(RCVDBDI_MINI_BD + 0x8),
8000                tr32(RCVDBDI_MINI_BD + 0xc));
8001
8002         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8003         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8004         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8005         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8006         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8007                val32, val32_2, val32_3, val32_4);
8008
8009         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8010         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8011         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8012         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8013         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8014                val32, val32_2, val32_3, val32_4);
8015
8016         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8017         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8018         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8019         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8020         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8021         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8022                val32, val32_2, val32_3, val32_4, val32_5);
8023
8024         /* SW status block */
8025         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8026                tp->hw_status->status,
8027                tp->hw_status->status_tag,
8028                tp->hw_status->rx_jumbo_consumer,
8029                tp->hw_status->rx_consumer,
8030                tp->hw_status->rx_mini_consumer,
8031                tp->hw_status->idx[0].rx_producer,
8032                tp->hw_status->idx[0].tx_consumer);
8033
8034         /* SW statistics block */
8035         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8036                ((u32 *)tp->hw_stats)[0],
8037                ((u32 *)tp->hw_stats)[1],
8038                ((u32 *)tp->hw_stats)[2],
8039                ((u32 *)tp->hw_stats)[3]);
8040
8041         /* Mailboxes */
8042         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
8043                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8044                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8045                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8046                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
8047
8048         /* NIC side send descriptors. */
8049         for (i = 0; i < 6; i++) {
8050                 unsigned long txd;
8051
8052                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8053                         + (i * sizeof(struct tg3_tx_buffer_desc));
8054                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8055                        i,
8056                        readl(txd + 0x0), readl(txd + 0x4),
8057                        readl(txd + 0x8), readl(txd + 0xc));
8058         }
8059
8060         /* NIC side RX descriptors. */
8061         for (i = 0; i < 6; i++) {
8062                 unsigned long rxd;
8063
8064                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8065                         + (i * sizeof(struct tg3_rx_buffer_desc));
8066                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8067                        i,
8068                        readl(rxd + 0x0), readl(rxd + 0x4),
8069                        readl(rxd + 0x8), readl(rxd + 0xc));
8070                 rxd += (4 * sizeof(u32));
8071                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8072                        i,
8073                        readl(rxd + 0x0), readl(rxd + 0x4),
8074                        readl(rxd + 0x8), readl(rxd + 0xc));
8075         }
8076
8077         for (i = 0; i < 6; i++) {
8078                 unsigned long rxd;
8079
8080                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8081                         + (i * sizeof(struct tg3_rx_buffer_desc));
8082                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8083                        i,
8084                        readl(rxd + 0x0), readl(rxd + 0x4),
8085                        readl(rxd + 0x8), readl(rxd + 0xc));
8086                 rxd += (4 * sizeof(u32));
8087                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8088                        i,
8089                        readl(rxd + 0x0), readl(rxd + 0x4),
8090                        readl(rxd + 0x8), readl(rxd + 0xc));
8091         }
8092 }
8093 #endif
8094
8095 static struct net_device_stats *tg3_get_stats(struct net_device *);
8096 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8097
8098 static int tg3_close(struct net_device *dev)
8099 {
8100         struct tg3 *tp = netdev_priv(dev);
8101
8102         napi_disable(&tp->napi);
8103         cancel_work_sync(&tp->reset_task);
8104
8105         netif_stop_queue(dev);
8106
8107         del_timer_sync(&tp->timer);
8108
8109         tg3_full_lock(tp, 1);
8110 #if 0
8111         tg3_dump_state(tp);
8112 #endif
8113
8114         tg3_disable_ints(tp);
8115
8116         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8117         tg3_free_rings(tp);
8118         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8119
8120         tg3_full_unlock(tp);
8121
8122         free_irq(tp->pdev->irq, dev);
8123         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8124                 pci_disable_msi(tp->pdev);
8125                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8126         }
8127
8128         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8129                sizeof(tp->net_stats_prev));
8130         memcpy(&tp->estats_prev, tg3_get_estats(tp),
8131                sizeof(tp->estats_prev));
8132
8133         tg3_free_consistent(tp);
8134
8135         tg3_set_power_state(tp, PCI_D3hot);
8136
8137         netif_carrier_off(tp->dev);
8138
8139         return 0;
8140 }
8141
8142 static inline unsigned long get_stat64(tg3_stat64_t *val)
8143 {
8144         unsigned long ret;
8145
8146 #if (BITS_PER_LONG == 32)
8147         ret = val->low;
8148 #else
8149         ret = ((u64)val->high << 32) | ((u64)val->low);
8150 #endif
8151         return ret;
8152 }
8153
8154 static inline u64 get_estat64(tg3_stat64_t *val)
8155 {
8156        return ((u64)val->high << 32) | ((u64)val->low);
8157 }
8158
8159 static unsigned long calc_crc_errors(struct tg3 *tp)
8160 {
8161         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8162
8163         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8164             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8165              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
8166                 u32 val;
8167
8168                 spin_lock_bh(&tp->lock);
8169                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8170                         tg3_writephy(tp, MII_TG3_TEST1,
8171                                      val | MII_TG3_TEST1_CRC_EN);
8172                         tg3_readphy(tp, 0x14, &val);
8173                 } else
8174                         val = 0;
8175                 spin_unlock_bh(&tp->lock);
8176
8177                 tp->phy_crc_errors += val;
8178
8179                 return tp->phy_crc_errors;
8180         }
8181
8182         return get_stat64(&hw_stats->rx_fcs_errors);
8183 }
8184
8185 #define ESTAT_ADD(member) \
8186         estats->member =        old_estats->member + \
8187                                 get_estat64(&hw_stats->member)
8188
8189 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8190 {
8191         struct tg3_ethtool_stats *estats = &tp->estats;
8192         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8193         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8194
8195         if (!hw_stats)
8196                 return old_estats;
8197
8198         ESTAT_ADD(rx_octets);
8199         ESTAT_ADD(rx_fragments);
8200         ESTAT_ADD(rx_ucast_packets);
8201         ESTAT_ADD(rx_mcast_packets);
8202         ESTAT_ADD(rx_bcast_packets);
8203         ESTAT_ADD(rx_fcs_errors);
8204         ESTAT_ADD(rx_align_errors);
8205         ESTAT_ADD(rx_xon_pause_rcvd);
8206         ESTAT_ADD(rx_xoff_pause_rcvd);
8207         ESTAT_ADD(rx_mac_ctrl_rcvd);
8208         ESTAT_ADD(rx_xoff_entered);
8209         ESTAT_ADD(rx_frame_too_long_errors);
8210         ESTAT_ADD(rx_jabbers);
8211         ESTAT_ADD(rx_undersize_packets);
8212         ESTAT_ADD(rx_in_length_errors);
8213         ESTAT_ADD(rx_out_length_errors);
8214         ESTAT_ADD(rx_64_or_less_octet_packets);
8215         ESTAT_ADD(rx_65_to_127_octet_packets);
8216         ESTAT_ADD(rx_128_to_255_octet_packets);
8217         ESTAT_ADD(rx_256_to_511_octet_packets);
8218         ESTAT_ADD(rx_512_to_1023_octet_packets);
8219         ESTAT_ADD(rx_1024_to_1522_octet_packets);
8220         ESTAT_ADD(rx_1523_to_2047_octet_packets);
8221         ESTAT_ADD(rx_2048_to_4095_octet_packets);
8222         ESTAT_ADD(rx_4096_to_8191_octet_packets);
8223         ESTAT_ADD(rx_8192_to_9022_octet_packets);
8224
8225         ESTAT_ADD(tx_octets);
8226         ESTAT_ADD(tx_collisions);
8227         ESTAT_ADD(tx_xon_sent);
8228         ESTAT_ADD(tx_xoff_sent);
8229         ESTAT_ADD(tx_flow_control);
8230         ESTAT_ADD(tx_mac_errors);
8231         ESTAT_ADD(tx_single_collisions);
8232         ESTAT_ADD(tx_mult_collisions);
8233         ESTAT_ADD(tx_deferred);
8234         ESTAT_ADD(tx_excessive_collisions);
8235         ESTAT_ADD(tx_late_collisions);
8236         ESTAT_ADD(tx_collide_2times);
8237         ESTAT_ADD(tx_collide_3times);
8238         ESTAT_ADD(tx_collide_4times);
8239         ESTAT_ADD(tx_collide_5times);
8240         ESTAT_ADD(tx_collide_6times);
8241         ESTAT_ADD(tx_collide_7times);
8242         ESTAT_ADD(tx_collide_8times);
8243         ESTAT_ADD(tx_collide_9times);
8244         ESTAT_ADD(tx_collide_10times);
8245         ESTAT_ADD(tx_collide_11times);
8246         ESTAT_ADD(tx_collide_12times);
8247         ESTAT_ADD(tx_collide_13times);
8248         ESTAT_ADD(tx_collide_14times);
8249         ESTAT_ADD(tx_collide_15times);
8250         ESTAT_ADD(tx_ucast_packets);
8251         ESTAT_ADD(tx_mcast_packets);
8252         ESTAT_ADD(tx_bcast_packets);
8253         ESTAT_ADD(tx_carrier_sense_errors);
8254         ESTAT_ADD(tx_discards);
8255         ESTAT_ADD(tx_errors);
8256
8257         ESTAT_ADD(dma_writeq_full);
8258         ESTAT_ADD(dma_write_prioq_full);
8259         ESTAT_ADD(rxbds_empty);
8260         ESTAT_ADD(rx_discards);
8261         ESTAT_ADD(rx_errors);
8262         ESTAT_ADD(rx_threshold_hit);
8263
8264         ESTAT_ADD(dma_readq_full);
8265         ESTAT_ADD(dma_read_prioq_full);
8266         ESTAT_ADD(tx_comp_queue_full);
8267
8268         ESTAT_ADD(ring_set_send_prod_index);
8269         ESTAT_ADD(ring_status_update);
8270         ESTAT_ADD(nic_irqs);
8271         ESTAT_ADD(nic_avoided_irqs);
8272         ESTAT_ADD(nic_tx_threshold_hit);
8273
8274         return estats;
8275 }
8276
8277 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8278 {
8279         struct tg3 *tp = netdev_priv(dev);
8280         struct net_device_stats *stats = &tp->net_stats;
8281         struct net_device_stats *old_stats = &tp->net_stats_prev;
8282         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8283
8284         if (!hw_stats)
8285                 return old_stats;
8286
8287         stats->rx_packets = old_stats->rx_packets +
8288                 get_stat64(&hw_stats->rx_ucast_packets) +
8289                 get_stat64(&hw_stats->rx_mcast_packets) +
8290                 get_stat64(&hw_stats->rx_bcast_packets);
8291
8292         stats->tx_packets = old_stats->tx_packets +
8293                 get_stat64(&hw_stats->tx_ucast_packets) +
8294                 get_stat64(&hw_stats->tx_mcast_packets) +
8295                 get_stat64(&hw_stats->tx_bcast_packets);
8296
8297         stats->rx_bytes = old_stats->rx_bytes +
8298                 get_stat64(&hw_stats->rx_octets);
8299         stats->tx_bytes = old_stats->tx_bytes +
8300                 get_stat64(&hw_stats->tx_octets);
8301
8302         stats->rx_errors = old_stats->rx_errors +
8303                 get_stat64(&hw_stats->rx_errors);
8304         stats->tx_errors = old_stats->tx_errors +
8305                 get_stat64(&hw_stats->tx_errors) +
8306                 get_stat64(&hw_stats->tx_mac_errors) +
8307                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
8308                 get_stat64(&hw_stats->tx_discards);
8309
8310         stats->multicast = old_stats->multicast +
8311                 get_stat64(&hw_stats->rx_mcast_packets);
8312         stats->collisions = old_stats->collisions +
8313                 get_stat64(&hw_stats->tx_collisions);
8314
8315         stats->rx_length_errors = old_stats->rx_length_errors +
8316                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
8317                 get_stat64(&hw_stats->rx_undersize_packets);
8318
8319         stats->rx_over_errors = old_stats->rx_over_errors +
8320                 get_stat64(&hw_stats->rxbds_empty);
8321         stats->rx_frame_errors = old_stats->rx_frame_errors +
8322                 get_stat64(&hw_stats->rx_align_errors);
8323         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
8324                 get_stat64(&hw_stats->tx_discards);
8325         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
8326                 get_stat64(&hw_stats->tx_carrier_sense_errors);
8327
8328         stats->rx_crc_errors = old_stats->rx_crc_errors +
8329                 calc_crc_errors(tp);
8330
8331         stats->rx_missed_errors = old_stats->rx_missed_errors +
8332                 get_stat64(&hw_stats->rx_discards);
8333
8334         return stats;
8335 }
8336
8337 static inline u32 calc_crc(unsigned char *buf, int len)
8338 {
8339         u32 reg;
8340         u32 tmp;
8341         int j, k;
8342
8343         reg = 0xffffffff;
8344
8345         for (j = 0; j < len; j++) {
8346                 reg ^= buf[j];
8347
8348                 for (k = 0; k < 8; k++) {
8349                         tmp = reg & 0x01;
8350
8351                         reg >>= 1;
8352
8353                         if (tmp) {
8354                                 reg ^= 0xedb88320;
8355                         }
8356                 }
8357         }
8358
8359         return ~reg;
8360 }
8361
8362 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
8363 {
8364         /* accept or reject all multicast frames */
8365         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
8366         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
8367         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
8368         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
8369 }
8370
8371 static void __tg3_set_rx_mode(struct net_device *dev)
8372 {
8373         struct tg3 *tp = netdev_priv(dev);
8374         u32 rx_mode;
8375
8376         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
8377                                   RX_MODE_KEEP_VLAN_TAG);
8378
8379         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
8380          * flag clear.
8381          */
8382 #if TG3_VLAN_TAG_USED
8383         if (!tp->vlgrp &&
8384             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8385                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8386 #else
8387         /* By definition, VLAN is disabled always in this
8388          * case.
8389          */
8390         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8391                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8392 #endif
8393
8394         if (dev->flags & IFF_PROMISC) {
8395                 /* Promiscuous mode. */
8396                 rx_mode |= RX_MODE_PROMISC;
8397         } else if (dev->flags & IFF_ALLMULTI) {
8398                 /* Accept all multicast. */
8399                 tg3_set_multi (tp, 1);
8400         } else if (dev->mc_count < 1) {
8401                 /* Reject all multicast. */
8402                 tg3_set_multi (tp, 0);
8403         } else {
8404                 /* Accept one or more multicast(s). */
8405                 struct dev_mc_list *mclist;
8406                 unsigned int i;
8407                 u32 mc_filter[4] = { 0, };
8408                 u32 regidx;
8409                 u32 bit;
8410                 u32 crc;
8411
8412                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8413                      i++, mclist = mclist->next) {
8414
8415                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8416                         bit = ~crc & 0x7f;
8417                         regidx = (bit & 0x60) >> 5;
8418                         bit &= 0x1f;
8419                         mc_filter[regidx] |= (1 << bit);
8420                 }
8421
8422                 tw32(MAC_HASH_REG_0, mc_filter[0]);
8423                 tw32(MAC_HASH_REG_1, mc_filter[1]);
8424                 tw32(MAC_HASH_REG_2, mc_filter[2]);
8425                 tw32(MAC_HASH_REG_3, mc_filter[3]);
8426         }
8427
8428         if (rx_mode != tp->rx_mode) {
8429                 tp->rx_mode = rx_mode;
8430                 tw32_f(MAC_RX_MODE, rx_mode);
8431                 udelay(10);
8432         }
8433 }
8434
8435 static void tg3_set_rx_mode(struct net_device *dev)
8436 {
8437         struct tg3 *tp = netdev_priv(dev);
8438
8439         if (!netif_running(dev))
8440                 return;
8441
8442         tg3_full_lock(tp, 0);
8443         __tg3_set_rx_mode(dev);
8444         tg3_full_unlock(tp);
8445 }
8446
8447 #define TG3_REGDUMP_LEN         (32 * 1024)
8448
8449 static int tg3_get_regs_len(struct net_device *dev)
8450 {
8451         return TG3_REGDUMP_LEN;
8452 }
8453
8454 static void tg3_get_regs(struct net_device *dev,
8455                 struct ethtool_regs *regs, void *_p)
8456 {
8457         u32 *p = _p;
8458         struct tg3 *tp = netdev_priv(dev);
8459         u8 *orig_p = _p;
8460         int i;
8461
8462         regs->version = 0;
8463
8464         memset(p, 0, TG3_REGDUMP_LEN);
8465
8466         if (tp->link_config.phy_is_low_power)
8467                 return;
8468
8469         tg3_full_lock(tp, 0);
8470
8471 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
8472 #define GET_REG32_LOOP(base,len)                \
8473 do {    p = (u32 *)(orig_p + (base));           \
8474         for (i = 0; i < len; i += 4)            \
8475                 __GET_REG32((base) + i);        \
8476 } while (0)
8477 #define GET_REG32_1(reg)                        \
8478 do {    p = (u32 *)(orig_p + (reg));            \
8479         __GET_REG32((reg));                     \
8480 } while (0)
8481
8482         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8483         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8484         GET_REG32_LOOP(MAC_MODE, 0x4f0);
8485         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8486         GET_REG32_1(SNDDATAC_MODE);
8487         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8488         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8489         GET_REG32_1(SNDBDC_MODE);
8490         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8491         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8492         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8493         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8494         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8495         GET_REG32_1(RCVDCC_MODE);
8496         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8497         GET_REG32_LOOP(RCVCC_MODE, 0x14);
8498         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8499         GET_REG32_1(MBFREE_MODE);
8500         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8501         GET_REG32_LOOP(MEMARB_MODE, 0x10);
8502         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8503         GET_REG32_LOOP(RDMAC_MODE, 0x08);
8504         GET_REG32_LOOP(WDMAC_MODE, 0x08);
8505         GET_REG32_1(RX_CPU_MODE);
8506         GET_REG32_1(RX_CPU_STATE);
8507         GET_REG32_1(RX_CPU_PGMCTR);
8508         GET_REG32_1(RX_CPU_HWBKPT);
8509         GET_REG32_1(TX_CPU_MODE);
8510         GET_REG32_1(TX_CPU_STATE);
8511         GET_REG32_1(TX_CPU_PGMCTR);
8512         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8513         GET_REG32_LOOP(FTQ_RESET, 0x120);
8514         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8515         GET_REG32_1(DMAC_MODE);
8516         GET_REG32_LOOP(GRC_MODE, 0x4c);
8517         if (tp->tg3_flags & TG3_FLAG_NVRAM)
8518                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8519
8520 #undef __GET_REG32
8521 #undef GET_REG32_LOOP
8522 #undef GET_REG32_1
8523
8524         tg3_full_unlock(tp);
8525 }
8526
8527 static int tg3_get_eeprom_len(struct net_device *dev)
8528 {
8529         struct tg3 *tp = netdev_priv(dev);
8530
8531         return tp->nvram_size;
8532 }
8533
8534 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8535 {
8536         struct tg3 *tp = netdev_priv(dev);
8537         int ret;
8538         u8  *pd;
8539         u32 i, offset, len, b_offset, b_count;
8540         __be32 val;
8541
8542         if (tp->link_config.phy_is_low_power)
8543                 return -EAGAIN;
8544
8545         offset = eeprom->offset;
8546         len = eeprom->len;
8547         eeprom->len = 0;
8548
8549         eeprom->magic = TG3_EEPROM_MAGIC;
8550
8551         if (offset & 3) {
8552                 /* adjustments to start on required 4 byte boundary */
8553                 b_offset = offset & 3;
8554                 b_count = 4 - b_offset;
8555                 if (b_count > len) {
8556                         /* i.e. offset=1 len=2 */
8557                         b_count = len;
8558                 }
8559                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
8560                 if (ret)
8561                         return ret;
8562                 memcpy(data, ((char*)&val) + b_offset, b_count);
8563                 len -= b_count;
8564                 offset += b_count;
8565                 eeprom->len += b_count;
8566         }
8567
8568         /* read bytes upto the last 4 byte boundary */
8569         pd = &data[eeprom->len];
8570         for (i = 0; i < (len - (len & 3)); i += 4) {
8571                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
8572                 if (ret) {
8573                         eeprom->len += i;
8574                         return ret;
8575                 }
8576                 memcpy(pd + i, &val, 4);
8577         }
8578         eeprom->len += i;
8579
8580         if (len & 3) {
8581                 /* read last bytes not ending on 4 byte boundary */
8582                 pd = &data[eeprom->len];
8583                 b_count = len & 3;
8584                 b_offset = offset + len - b_count;
8585                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
8586                 if (ret)
8587                         return ret;
8588                 memcpy(pd, &val, b_count);
8589                 eeprom->len += b_count;
8590         }
8591         return 0;
8592 }
8593
8594 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
8595
8596 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8597 {
8598         struct tg3 *tp = netdev_priv(dev);
8599         int ret;
8600         u32 offset, len, b_offset, odd_len;
8601         u8 *buf;
8602         __be32 start, end;
8603
8604         if (tp->link_config.phy_is_low_power)
8605                 return -EAGAIN;
8606
8607         if (eeprom->magic != TG3_EEPROM_MAGIC)
8608                 return -EINVAL;
8609
8610         offset = eeprom->offset;
8611         len = eeprom->len;
8612
8613         if ((b_offset = (offset & 3))) {
8614                 /* adjustments to start on required 4 byte boundary */
8615                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
8616                 if (ret)
8617                         return ret;
8618                 len += b_offset;
8619                 offset &= ~3;
8620                 if (len < 4)
8621                         len = 4;
8622         }
8623
8624         odd_len = 0;
8625         if (len & 3) {
8626                 /* adjustments to end on required 4 byte boundary */
8627                 odd_len = 1;
8628                 len = (len + 3) & ~3;
8629                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
8630                 if (ret)
8631                         return ret;
8632         }
8633
8634         buf = data;
8635         if (b_offset || odd_len) {
8636                 buf = kmalloc(len, GFP_KERNEL);
8637                 if (!buf)
8638                         return -ENOMEM;
8639                 if (b_offset)
8640                         memcpy(buf, &start, 4);
8641                 if (odd_len)
8642                         memcpy(buf+len-4, &end, 4);
8643                 memcpy(buf + b_offset, data, eeprom->len);
8644         }
8645
8646         ret = tg3_nvram_write_block(tp, offset, len, buf);
8647
8648         if (buf != data)
8649                 kfree(buf);
8650
8651         return ret;
8652 }
8653
8654 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8655 {
8656         struct tg3 *tp = netdev_priv(dev);
8657
8658         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8659                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8660                         return -EAGAIN;
8661                 return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8662         }
8663
8664         cmd->supported = (SUPPORTED_Autoneg);
8665
8666         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8667                 cmd->supported |= (SUPPORTED_1000baseT_Half |
8668                                    SUPPORTED_1000baseT_Full);
8669
8670         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8671                 cmd->supported |= (SUPPORTED_100baseT_Half |
8672                                   SUPPORTED_100baseT_Full |
8673                                   SUPPORTED_10baseT_Half |
8674                                   SUPPORTED_10baseT_Full |
8675                                   SUPPORTED_TP);
8676                 cmd->port = PORT_TP;
8677         } else {
8678                 cmd->supported |= SUPPORTED_FIBRE;
8679                 cmd->port = PORT_FIBRE;
8680         }
8681
8682         cmd->advertising = tp->link_config.advertising;
8683         if (netif_running(dev)) {
8684                 cmd->speed = tp->link_config.active_speed;
8685                 cmd->duplex = tp->link_config.active_duplex;
8686         }
8687         cmd->phy_address = PHY_ADDR;
8688         cmd->transceiver = XCVR_INTERNAL;
8689         cmd->autoneg = tp->link_config.autoneg;
8690         cmd->maxtxpkt = 0;
8691         cmd->maxrxpkt = 0;
8692         return 0;
8693 }
8694
8695 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8696 {
8697         struct tg3 *tp = netdev_priv(dev);
8698
8699         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8700                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8701                         return -EAGAIN;
8702                 return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8703         }
8704
8705         if (cmd->autoneg != AUTONEG_ENABLE &&
8706             cmd->autoneg != AUTONEG_DISABLE)
8707                 return -EINVAL;
8708
8709         if (cmd->autoneg == AUTONEG_DISABLE &&
8710             cmd->duplex != DUPLEX_FULL &&
8711             cmd->duplex != DUPLEX_HALF)
8712                 return -EINVAL;
8713
8714         if (cmd->autoneg == AUTONEG_ENABLE) {
8715                 u32 mask = ADVERTISED_Autoneg |
8716                            ADVERTISED_Pause |
8717                            ADVERTISED_Asym_Pause;
8718
8719                 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8720                         mask |= ADVERTISED_1000baseT_Half |
8721                                 ADVERTISED_1000baseT_Full;
8722
8723                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
8724                         mask |= ADVERTISED_100baseT_Half |
8725                                 ADVERTISED_100baseT_Full |
8726                                 ADVERTISED_10baseT_Half |
8727                                 ADVERTISED_10baseT_Full |
8728                                 ADVERTISED_TP;
8729                 else
8730                         mask |= ADVERTISED_FIBRE;
8731
8732                 if (cmd->advertising & ~mask)
8733                         return -EINVAL;
8734
8735                 mask &= (ADVERTISED_1000baseT_Half |
8736                          ADVERTISED_1000baseT_Full |
8737                          ADVERTISED_100baseT_Half |
8738                          ADVERTISED_100baseT_Full |
8739                          ADVERTISED_10baseT_Half |
8740                          ADVERTISED_10baseT_Full);
8741
8742                 cmd->advertising &= mask;
8743         } else {
8744                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
8745                         if (cmd->speed != SPEED_1000)
8746                                 return -EINVAL;
8747
8748                         if (cmd->duplex != DUPLEX_FULL)
8749                                 return -EINVAL;
8750                 } else {
8751                         if (cmd->speed != SPEED_100 &&
8752                             cmd->speed != SPEED_10)
8753                                 return -EINVAL;
8754                 }
8755         }
8756
8757         tg3_full_lock(tp, 0);
8758
8759         tp->link_config.autoneg = cmd->autoneg;
8760         if (cmd->autoneg == AUTONEG_ENABLE) {
8761                 tp->link_config.advertising = (cmd->advertising |
8762                                               ADVERTISED_Autoneg);
8763                 tp->link_config.speed = SPEED_INVALID;
8764                 tp->link_config.duplex = DUPLEX_INVALID;
8765         } else {
8766                 tp->link_config.advertising = 0;
8767                 tp->link_config.speed = cmd->speed;
8768                 tp->link_config.duplex = cmd->duplex;
8769         }
8770
8771         tp->link_config.orig_speed = tp->link_config.speed;
8772         tp->link_config.orig_duplex = tp->link_config.duplex;
8773         tp->link_config.orig_autoneg = tp->link_config.autoneg;
8774
8775         if (netif_running(dev))
8776                 tg3_setup_phy(tp, 1);
8777
8778         tg3_full_unlock(tp);
8779
8780         return 0;
8781 }
8782
8783 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8784 {
8785         struct tg3 *tp = netdev_priv(dev);
8786
8787         strcpy(info->driver, DRV_MODULE_NAME);
8788         strcpy(info->version, DRV_MODULE_VERSION);
8789         strcpy(info->fw_version, tp->fw_ver);
8790         strcpy(info->bus_info, pci_name(tp->pdev));
8791 }
8792
8793 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8794 {
8795         struct tg3 *tp = netdev_priv(dev);
8796
8797         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
8798             device_can_wakeup(&tp->pdev->dev))
8799                 wol->supported = WAKE_MAGIC;
8800         else
8801                 wol->supported = 0;
8802         wol->wolopts = 0;
8803         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
8804             device_can_wakeup(&tp->pdev->dev))
8805                 wol->wolopts = WAKE_MAGIC;
8806         memset(&wol->sopass, 0, sizeof(wol->sopass));
8807 }
8808
8809 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8810 {
8811         struct tg3 *tp = netdev_priv(dev);
8812         struct device *dp = &tp->pdev->dev;
8813
8814         if (wol->wolopts & ~WAKE_MAGIC)
8815                 return -EINVAL;
8816         if ((wol->wolopts & WAKE_MAGIC) &&
8817             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
8818                 return -EINVAL;
8819
8820         spin_lock_bh(&tp->lock);
8821         if (wol->wolopts & WAKE_MAGIC) {
8822                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8823                 device_set_wakeup_enable(dp, true);
8824         } else {
8825                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8826                 device_set_wakeup_enable(dp, false);
8827         }
8828         spin_unlock_bh(&tp->lock);
8829
8830         return 0;
8831 }
8832
8833 static u32 tg3_get_msglevel(struct net_device *dev)
8834 {
8835         struct tg3 *tp = netdev_priv(dev);
8836         return tp->msg_enable;
8837 }
8838
8839 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8840 {
8841         struct tg3 *tp = netdev_priv(dev);
8842         tp->msg_enable = value;
8843 }
8844
8845 static int tg3_set_tso(struct net_device *dev, u32 value)
8846 {
8847         struct tg3 *tp = netdev_priv(dev);
8848
8849         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8850                 if (value)
8851                         return -EINVAL;
8852                 return 0;
8853         }
8854         if ((dev->features & NETIF_F_IPV6_CSUM) &&
8855             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
8856                 if (value) {
8857                         dev->features |= NETIF_F_TSO6;
8858                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
8859                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
8860                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
8861                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8862                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8863                                 dev->features |= NETIF_F_TSO_ECN;
8864                 } else
8865                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
8866         }
8867         return ethtool_op_set_tso(dev, value);
8868 }
8869
8870 static int tg3_nway_reset(struct net_device *dev)
8871 {
8872         struct tg3 *tp = netdev_priv(dev);
8873         int r;
8874
8875         if (!netif_running(dev))
8876                 return -EAGAIN;
8877
8878         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8879                 return -EINVAL;
8880
8881         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8882                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8883                         return -EAGAIN;
8884                 r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
8885         } else {
8886                 u32 bmcr;
8887
8888                 spin_lock_bh(&tp->lock);
8889                 r = -EINVAL;
8890                 tg3_readphy(tp, MII_BMCR, &bmcr);
8891                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8892                     ((bmcr & BMCR_ANENABLE) ||
8893                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8894                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8895                                                    BMCR_ANENABLE);
8896                         r = 0;
8897                 }
8898                 spin_unlock_bh(&tp->lock);
8899         }
8900
8901         return r;
8902 }
8903
8904 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8905 {
8906         struct tg3 *tp = netdev_priv(dev);
8907
8908         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8909         ering->rx_mini_max_pending = 0;
8910         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8911                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8912         else
8913                 ering->rx_jumbo_max_pending = 0;
8914
8915         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8916
8917         ering->rx_pending = tp->rx_pending;
8918         ering->rx_mini_pending = 0;
8919         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8920                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8921         else
8922                 ering->rx_jumbo_pending = 0;
8923
8924         ering->tx_pending = tp->tx_pending;
8925 }
8926
8927 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8928 {
8929         struct tg3 *tp = netdev_priv(dev);
8930         int irq_sync = 0, err = 0;
8931
8932         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8933             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8934             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8935             (ering->tx_pending <= MAX_SKB_FRAGS) ||
8936             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
8937              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8938                 return -EINVAL;
8939
8940         if (netif_running(dev)) {
8941                 tg3_phy_stop(tp);
8942                 tg3_netif_stop(tp);
8943                 irq_sync = 1;
8944         }
8945
8946         tg3_full_lock(tp, irq_sync);
8947
8948         tp->rx_pending = ering->rx_pending;
8949
8950         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8951             tp->rx_pending > 63)
8952                 tp->rx_pending = 63;
8953         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8954         tp->tx_pending = ering->tx_pending;
8955
8956         if (netif_running(dev)) {
8957                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8958                 err = tg3_restart_hw(tp, 1);
8959                 if (!err)
8960                         tg3_netif_start(tp);
8961         }
8962
8963         tg3_full_unlock(tp);
8964
8965         if (irq_sync && !err)
8966                 tg3_phy_start(tp);
8967
8968         return err;
8969 }
8970
8971 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8972 {
8973         struct tg3 *tp = netdev_priv(dev);
8974
8975         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8976
8977         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
8978                 epause->rx_pause = 1;
8979         else
8980                 epause->rx_pause = 0;
8981
8982         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
8983                 epause->tx_pause = 1;
8984         else
8985                 epause->tx_pause = 0;
8986 }
8987
8988 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8989 {
8990         struct tg3 *tp = netdev_priv(dev);
8991         int err = 0;
8992
8993         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8994                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8995                         return -EAGAIN;
8996
8997                 if (epause->autoneg) {
8998                         u32 newadv;
8999                         struct phy_device *phydev;
9000
9001                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
9002
9003                         if (epause->rx_pause) {
9004                                 if (epause->tx_pause)
9005                                         newadv = ADVERTISED_Pause;
9006                                 else
9007                                         newadv = ADVERTISED_Pause |
9008                                                  ADVERTISED_Asym_Pause;
9009                         } else if (epause->tx_pause) {
9010                                 newadv = ADVERTISED_Asym_Pause;
9011                         } else
9012                                 newadv = 0;
9013
9014                         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9015                                 u32 oldadv = phydev->advertising &
9016                                              (ADVERTISED_Pause |
9017                                               ADVERTISED_Asym_Pause);
9018                                 if (oldadv != newadv) {
9019                                         phydev->advertising &=
9020                                                 ~(ADVERTISED_Pause |
9021                                                   ADVERTISED_Asym_Pause);
9022                                         phydev->advertising |= newadv;
9023                                         err = phy_start_aneg(phydev);
9024                                 }
9025                         } else {
9026                                 tp->link_config.advertising &=
9027                                                 ~(ADVERTISED_Pause |
9028                                                   ADVERTISED_Asym_Pause);
9029                                 tp->link_config.advertising |= newadv;
9030                         }
9031                 } else {
9032                         if (epause->rx_pause)
9033                                 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9034                         else
9035                                 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9036
9037                         if (epause->tx_pause)
9038                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9039                         else
9040                                 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9041
9042                         if (netif_running(dev))
9043                                 tg3_setup_flow_control(tp, 0, 0);
9044                 }
9045         } else {
9046                 int irq_sync = 0;
9047
9048                 if (netif_running(dev)) {
9049                         tg3_netif_stop(tp);
9050                         irq_sync = 1;
9051                 }
9052
9053                 tg3_full_lock(tp, irq_sync);
9054
9055                 if (epause->autoneg)
9056                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9057                 else
9058                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9059                 if (epause->rx_pause)
9060                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
9061                 else
9062                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9063                 if (epause->tx_pause)
9064                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
9065                 else
9066                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9067
9068                 if (netif_running(dev)) {
9069                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9070                         err = tg3_restart_hw(tp, 1);
9071                         if (!err)
9072                                 tg3_netif_start(tp);
9073                 }
9074
9075                 tg3_full_unlock(tp);
9076         }
9077
9078         return err;
9079 }
9080
9081 static u32 tg3_get_rx_csum(struct net_device *dev)
9082 {
9083         struct tg3 *tp = netdev_priv(dev);
9084         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9085 }
9086
9087 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9088 {
9089         struct tg3 *tp = netdev_priv(dev);
9090
9091         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9092                 if (data != 0)
9093                         return -EINVAL;
9094                 return 0;
9095         }
9096
9097         spin_lock_bh(&tp->lock);
9098         if (data)
9099                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9100         else
9101                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9102         spin_unlock_bh(&tp->lock);
9103
9104         return 0;
9105 }
9106
9107 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9108 {
9109         struct tg3 *tp = netdev_priv(dev);
9110
9111         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9112                 if (data != 0)
9113                         return -EINVAL;
9114                 return 0;
9115         }
9116
9117         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9118                 ethtool_op_set_tx_ipv6_csum(dev, data);
9119         else
9120                 ethtool_op_set_tx_csum(dev, data);
9121
9122         return 0;
9123 }
9124
9125 static int tg3_get_sset_count (struct net_device *dev, int sset)
9126 {
9127         switch (sset) {
9128         case ETH_SS_TEST:
9129                 return TG3_NUM_TEST;
9130         case ETH_SS_STATS:
9131                 return TG3_NUM_STATS;
9132         default:
9133                 return -EOPNOTSUPP;
9134         }
9135 }
9136
9137 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9138 {
9139         switch (stringset) {
9140         case ETH_SS_STATS:
9141                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
9142                 break;
9143         case ETH_SS_TEST:
9144                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
9145                 break;
9146         default:
9147                 WARN_ON(1);     /* we need a WARN() */
9148                 break;
9149         }
9150 }
9151
9152 static int tg3_phys_id(struct net_device *dev, u32 data)
9153 {
9154         struct tg3 *tp = netdev_priv(dev);
9155         int i;
9156
9157         if (!netif_running(tp->dev))
9158                 return -EAGAIN;
9159
9160         if (data == 0)
9161                 data = UINT_MAX / 2;
9162
9163         for (i = 0; i < (data * 2); i++) {
9164                 if ((i % 2) == 0)
9165                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9166                                            LED_CTRL_1000MBPS_ON |
9167                                            LED_CTRL_100MBPS_ON |
9168                                            LED_CTRL_10MBPS_ON |
9169                                            LED_CTRL_TRAFFIC_OVERRIDE |
9170                                            LED_CTRL_TRAFFIC_BLINK |
9171                                            LED_CTRL_TRAFFIC_LED);
9172
9173                 else
9174                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9175                                            LED_CTRL_TRAFFIC_OVERRIDE);
9176
9177                 if (msleep_interruptible(500))
9178                         break;
9179         }
9180         tw32(MAC_LED_CTRL, tp->led_ctrl);
9181         return 0;
9182 }
9183
9184 static void tg3_get_ethtool_stats (struct net_device *dev,
9185                                    struct ethtool_stats *estats, u64 *tmp_stats)
9186 {
9187         struct tg3 *tp = netdev_priv(dev);
9188         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9189 }
9190
9191 #define NVRAM_TEST_SIZE 0x100
9192 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
9193 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
9194 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
9195 #define NVRAM_SELFBOOT_HW_SIZE 0x20
9196 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
9197
9198 static int tg3_test_nvram(struct tg3 *tp)
9199 {
9200         u32 csum, magic;
9201         __be32 *buf;
9202         int i, j, k, err = 0, size;
9203
9204         if (tg3_nvram_read(tp, 0, &magic) != 0)
9205                 return -EIO;
9206
9207         if (magic == TG3_EEPROM_MAGIC)
9208                 size = NVRAM_TEST_SIZE;
9209         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
9210                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9211                     TG3_EEPROM_SB_FORMAT_1) {
9212                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9213                         case TG3_EEPROM_SB_REVISION_0:
9214                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9215                                 break;
9216                         case TG3_EEPROM_SB_REVISION_2:
9217                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9218                                 break;
9219                         case TG3_EEPROM_SB_REVISION_3:
9220                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9221                                 break;
9222                         default:
9223                                 return 0;
9224                         }
9225                 } else
9226                         return 0;
9227         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9228                 size = NVRAM_SELFBOOT_HW_SIZE;
9229         else
9230                 return -EIO;
9231
9232         buf = kmalloc(size, GFP_KERNEL);
9233         if (buf == NULL)
9234                 return -ENOMEM;
9235
9236         err = -EIO;
9237         for (i = 0, j = 0; i < size; i += 4, j++) {
9238                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9239                 if (err)
9240                         break;
9241         }
9242         if (i < size)
9243                 goto out;
9244
9245         /* Selfboot format */
9246         magic = be32_to_cpu(buf[0]);
9247         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
9248             TG3_EEPROM_MAGIC_FW) {
9249                 u8 *buf8 = (u8 *) buf, csum8 = 0;
9250
9251                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
9252                     TG3_EEPROM_SB_REVISION_2) {
9253                         /* For rev 2, the csum doesn't include the MBA. */
9254                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9255                                 csum8 += buf8[i];
9256                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9257                                 csum8 += buf8[i];
9258                 } else {
9259                         for (i = 0; i < size; i++)
9260                                 csum8 += buf8[i];
9261                 }
9262
9263                 if (csum8 == 0) {
9264                         err = 0;
9265                         goto out;
9266                 }
9267
9268                 err = -EIO;
9269                 goto out;
9270         }
9271
9272         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
9273             TG3_EEPROM_MAGIC_HW) {
9274                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
9275                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
9276                 u8 *buf8 = (u8 *) buf;
9277
9278                 /* Separate the parity bits and the data bytes.  */
9279                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
9280                         if ((i == 0) || (i == 8)) {
9281                                 int l;
9282                                 u8 msk;
9283
9284                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
9285                                         parity[k++] = buf8[i] & msk;
9286                                 i++;
9287                         }
9288                         else if (i == 16) {
9289                                 int l;
9290                                 u8 msk;
9291
9292                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
9293                                         parity[k++] = buf8[i] & msk;
9294                                 i++;
9295
9296                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
9297                                         parity[k++] = buf8[i] & msk;
9298                                 i++;
9299                         }
9300                         data[j++] = buf8[i];
9301                 }
9302
9303                 err = -EIO;
9304                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
9305                         u8 hw8 = hweight8(data[i]);
9306
9307                         if ((hw8 & 0x1) && parity[i])
9308                                 goto out;
9309                         else if (!(hw8 & 0x1) && !parity[i])
9310                                 goto out;
9311                 }
9312                 err = 0;
9313                 goto out;
9314         }
9315
9316         /* Bootstrap checksum at offset 0x10 */
9317         csum = calc_crc((unsigned char *) buf, 0x10);
9318         if (csum != be32_to_cpu(buf[0x10/4]))
9319                 goto out;
9320
9321         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
9322         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
9323         if (csum != be32_to_cpu(buf[0xfc/4]))
9324                 goto out;
9325
9326         err = 0;
9327
9328 out:
9329         kfree(buf);
9330         return err;
9331 }
9332
9333 #define TG3_SERDES_TIMEOUT_SEC  2
9334 #define TG3_COPPER_TIMEOUT_SEC  6
9335
9336 static int tg3_test_link(struct tg3 *tp)
9337 {
9338         int i, max;
9339
9340         if (!netif_running(tp->dev))
9341                 return -ENODEV;
9342
9343         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
9344                 max = TG3_SERDES_TIMEOUT_SEC;
9345         else
9346                 max = TG3_COPPER_TIMEOUT_SEC;
9347
9348         for (i = 0; i < max; i++) {
9349                 if (netif_carrier_ok(tp->dev))
9350                         return 0;
9351
9352                 if (msleep_interruptible(1000))
9353                         break;
9354         }
9355
9356         return -EIO;
9357 }
9358
9359 /* Only test the commonly used registers */
9360 static int tg3_test_registers(struct tg3 *tp)
9361 {
9362         int i, is_5705, is_5750;
9363         u32 offset, read_mask, write_mask, val, save_val, read_val;
9364         static struct {
9365                 u16 offset;
9366                 u16 flags;
9367 #define TG3_FL_5705     0x1
9368 #define TG3_FL_NOT_5705 0x2
9369 #define TG3_FL_NOT_5788 0x4
9370 #define TG3_FL_NOT_5750 0x8
9371                 u32 read_mask;
9372                 u32 write_mask;
9373         } reg_tbl[] = {
9374                 /* MAC Control Registers */
9375                 { MAC_MODE, TG3_FL_NOT_5705,
9376                         0x00000000, 0x00ef6f8c },
9377                 { MAC_MODE, TG3_FL_5705,
9378                         0x00000000, 0x01ef6b8c },
9379                 { MAC_STATUS, TG3_FL_NOT_5705,
9380                         0x03800107, 0x00000000 },
9381                 { MAC_STATUS, TG3_FL_5705,
9382                         0x03800100, 0x00000000 },
9383                 { MAC_ADDR_0_HIGH, 0x0000,
9384                         0x00000000, 0x0000ffff },
9385                 { MAC_ADDR_0_LOW, 0x0000,
9386                         0x00000000, 0xffffffff },
9387                 { MAC_RX_MTU_SIZE, 0x0000,
9388                         0x00000000, 0x0000ffff },
9389                 { MAC_TX_MODE, 0x0000,
9390                         0x00000000, 0x00000070 },
9391                 { MAC_TX_LENGTHS, 0x0000,
9392                         0x00000000, 0x00003fff },
9393                 { MAC_RX_MODE, TG3_FL_NOT_5705,
9394                         0x00000000, 0x000007fc },
9395                 { MAC_RX_MODE, TG3_FL_5705,
9396                         0x00000000, 0x000007dc },
9397                 { MAC_HASH_REG_0, 0x0000,
9398                         0x00000000, 0xffffffff },
9399                 { MAC_HASH_REG_1, 0x0000,
9400                         0x00000000, 0xffffffff },
9401                 { MAC_HASH_REG_2, 0x0000,
9402                         0x00000000, 0xffffffff },
9403                 { MAC_HASH_REG_3, 0x0000,
9404                         0x00000000, 0xffffffff },
9405
9406                 /* Receive Data and Receive BD Initiator Control Registers. */
9407                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
9408                         0x00000000, 0xffffffff },
9409                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
9410                         0x00000000, 0xffffffff },
9411                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
9412                         0x00000000, 0x00000003 },
9413                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
9414                         0x00000000, 0xffffffff },
9415                 { RCVDBDI_STD_BD+0, 0x0000,
9416                         0x00000000, 0xffffffff },
9417                 { RCVDBDI_STD_BD+4, 0x0000,
9418                         0x00000000, 0xffffffff },
9419                 { RCVDBDI_STD_BD+8, 0x0000,
9420                         0x00000000, 0xffff0002 },
9421                 { RCVDBDI_STD_BD+0xc, 0x0000,
9422                         0x00000000, 0xffffffff },
9423
9424                 /* Receive BD Initiator Control Registers. */
9425                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
9426                         0x00000000, 0xffffffff },
9427                 { RCVBDI_STD_THRESH, TG3_FL_5705,
9428                         0x00000000, 0x000003ff },
9429                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
9430                         0x00000000, 0xffffffff },
9431
9432                 /* Host Coalescing Control Registers. */
9433                 { HOSTCC_MODE, TG3_FL_NOT_5705,
9434                         0x00000000, 0x00000004 },
9435                 { HOSTCC_MODE, TG3_FL_5705,
9436                         0x00000000, 0x000000f6 },
9437                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
9438                         0x00000000, 0xffffffff },
9439                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
9440                         0x00000000, 0x000003ff },
9441                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
9442                         0x00000000, 0xffffffff },
9443                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
9444                         0x00000000, 0x000003ff },
9445                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
9446                         0x00000000, 0xffffffff },
9447                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9448                         0x00000000, 0x000000ff },
9449                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
9450                         0x00000000, 0xffffffff },
9451                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9452                         0x00000000, 0x000000ff },
9453                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
9454                         0x00000000, 0xffffffff },
9455                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
9456                         0x00000000, 0xffffffff },
9457                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9458                         0x00000000, 0xffffffff },
9459                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9460                         0x00000000, 0x000000ff },
9461                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9462                         0x00000000, 0xffffffff },
9463                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9464                         0x00000000, 0x000000ff },
9465                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
9466                         0x00000000, 0xffffffff },
9467                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
9468                         0x00000000, 0xffffffff },
9469                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
9470                         0x00000000, 0xffffffff },
9471                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
9472                         0x00000000, 0xffffffff },
9473                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
9474                         0x00000000, 0xffffffff },
9475                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
9476                         0xffffffff, 0x00000000 },
9477                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
9478                         0xffffffff, 0x00000000 },
9479
9480                 /* Buffer Manager Control Registers. */
9481                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
9482                         0x00000000, 0x007fff80 },
9483                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
9484                         0x00000000, 0x007fffff },
9485                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
9486                         0x00000000, 0x0000003f },
9487                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
9488                         0x00000000, 0x000001ff },
9489                 { BUFMGR_MB_HIGH_WATER, 0x0000,
9490                         0x00000000, 0x000001ff },
9491                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
9492                         0xffffffff, 0x00000000 },
9493                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
9494                         0xffffffff, 0x00000000 },
9495
9496                 /* Mailbox Registers */
9497                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
9498                         0x00000000, 0x000001ff },
9499                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
9500                         0x00000000, 0x000001ff },
9501                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
9502                         0x00000000, 0x000007ff },
9503                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
9504                         0x00000000, 0x000001ff },
9505
9506                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
9507         };
9508
9509         is_5705 = is_5750 = 0;
9510         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9511                 is_5705 = 1;
9512                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
9513                         is_5750 = 1;
9514         }
9515
9516         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
9517                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
9518                         continue;
9519
9520                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
9521                         continue;
9522
9523                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9524                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
9525                         continue;
9526
9527                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
9528                         continue;
9529
9530                 offset = (u32) reg_tbl[i].offset;
9531                 read_mask = reg_tbl[i].read_mask;
9532                 write_mask = reg_tbl[i].write_mask;
9533
9534                 /* Save the original register content */
9535                 save_val = tr32(offset);
9536
9537                 /* Determine the read-only value. */
9538                 read_val = save_val & read_mask;
9539
9540                 /* Write zero to the register, then make sure the read-only bits
9541                  * are not changed and the read/write bits are all zeros.
9542                  */
9543                 tw32(offset, 0);
9544
9545                 val = tr32(offset);
9546
9547                 /* Test the read-only and read/write bits. */
9548                 if (((val & read_mask) != read_val) || (val & write_mask))
9549                         goto out;
9550
9551                 /* Write ones to all the bits defined by RdMask and WrMask, then
9552                  * make sure the read-only bits are not changed and the
9553                  * read/write bits are all ones.
9554                  */
9555                 tw32(offset, read_mask | write_mask);
9556
9557                 val = tr32(offset);
9558
9559                 /* Test the read-only bits. */
9560                 if ((val & read_mask) != read_val)
9561                         goto out;
9562
9563                 /* Test the read/write bits. */
9564                 if ((val & write_mask) != write_mask)
9565                         goto out;
9566
9567                 tw32(offset, save_val);
9568         }
9569
9570         return 0;
9571
9572 out:
9573         if (netif_msg_hw(tp))
9574                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9575                        offset);
9576         tw32(offset, save_val);
9577         return -EIO;
9578 }
9579
9580 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9581 {
9582         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
9583         int i;
9584         u32 j;
9585
9586         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
9587                 for (j = 0; j < len; j += 4) {
9588                         u32 val;
9589
9590                         tg3_write_mem(tp, offset + j, test_pattern[i]);
9591                         tg3_read_mem(tp, offset + j, &val);
9592                         if (val != test_pattern[i])
9593                                 return -EIO;
9594                 }
9595         }
9596         return 0;
9597 }
9598
9599 static int tg3_test_memory(struct tg3 *tp)
9600 {
9601         static struct mem_entry {
9602                 u32 offset;
9603                 u32 len;
9604         } mem_tbl_570x[] = {
9605                 { 0x00000000, 0x00b50},
9606                 { 0x00002000, 0x1c000},
9607                 { 0xffffffff, 0x00000}
9608         }, mem_tbl_5705[] = {
9609                 { 0x00000100, 0x0000c},
9610                 { 0x00000200, 0x00008},
9611                 { 0x00004000, 0x00800},
9612                 { 0x00006000, 0x01000},
9613                 { 0x00008000, 0x02000},
9614                 { 0x00010000, 0x0e000},
9615                 { 0xffffffff, 0x00000}
9616         }, mem_tbl_5755[] = {
9617                 { 0x00000200, 0x00008},
9618                 { 0x00004000, 0x00800},
9619                 { 0x00006000, 0x00800},
9620                 { 0x00008000, 0x02000},
9621                 { 0x00010000, 0x0c000},
9622                 { 0xffffffff, 0x00000}
9623         }, mem_tbl_5906[] = {
9624                 { 0x00000200, 0x00008},
9625                 { 0x00004000, 0x00400},
9626                 { 0x00006000, 0x00400},
9627                 { 0x00008000, 0x01000},
9628                 { 0x00010000, 0x01000},
9629                 { 0xffffffff, 0x00000}
9630         };
9631         struct mem_entry *mem_tbl;
9632         int err = 0;
9633         int i;
9634
9635         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9636                 mem_tbl = mem_tbl_5755;
9637         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9638                 mem_tbl = mem_tbl_5906;
9639         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
9640                 mem_tbl = mem_tbl_5705;
9641         else
9642                 mem_tbl = mem_tbl_570x;
9643
9644         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9645                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9646                     mem_tbl[i].len)) != 0)
9647                         break;
9648         }
9649
9650         return err;
9651 }
9652
9653 #define TG3_MAC_LOOPBACK        0
9654 #define TG3_PHY_LOOPBACK        1
9655
9656 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
9657 {
9658         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
9659         u32 desc_idx;
9660         struct sk_buff *skb, *rx_skb;
9661         u8 *tx_data;
9662         dma_addr_t map;
9663         int num_pkts, tx_len, rx_len, i, err;
9664         struct tg3_rx_buffer_desc *desc;
9665
9666         if (loopback_mode == TG3_MAC_LOOPBACK) {
9667                 /* HW errata - mac loopback fails in some cases on 5780.
9668                  * Normal traffic and PHY loopback are not affected by
9669                  * errata.
9670                  */
9671                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9672                         return 0;
9673
9674                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
9675                            MAC_MODE_PORT_INT_LPBACK;
9676                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9677                         mac_mode |= MAC_MODE_LINK_POLARITY;
9678                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9679                         mac_mode |= MAC_MODE_PORT_MODE_MII;
9680                 else
9681                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
9682                 tw32(MAC_MODE, mac_mode);
9683         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
9684                 u32 val;
9685
9686                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9687                         u32 phytest;
9688
9689                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
9690                                 u32 phy;
9691
9692                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
9693                                              phytest | MII_TG3_EPHY_SHADOW_EN);
9694                                 if (!tg3_readphy(tp, 0x1b, &phy))
9695                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
9696                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
9697                         }
9698                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9699                 } else
9700                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
9701
9702                 tg3_phy_toggle_automdix(tp, 0);
9703
9704                 tg3_writephy(tp, MII_BMCR, val);
9705                 udelay(40);
9706
9707                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
9708                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9709                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
9710                         mac_mode |= MAC_MODE_PORT_MODE_MII;
9711                 } else
9712                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
9713
9714                 /* reset to prevent losing 1st rx packet intermittently */
9715                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
9716                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
9717                         udelay(10);
9718                         tw32_f(MAC_RX_MODE, tp->rx_mode);
9719                 }
9720                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
9721                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
9722                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
9723                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
9724                                 mac_mode |= MAC_MODE_LINK_POLARITY;
9725                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
9726                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
9727                 }
9728                 tw32(MAC_MODE, mac_mode);
9729         }
9730         else
9731                 return -EINVAL;
9732
9733         err = -EIO;
9734
9735         tx_len = 1514;
9736         skb = netdev_alloc_skb(tp->dev, tx_len);
9737         if (!skb)
9738                 return -ENOMEM;
9739
9740         tx_data = skb_put(skb, tx_len);
9741         memcpy(tx_data, tp->dev->dev_addr, 6);
9742         memset(tx_data + 6, 0x0, 8);
9743
9744         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
9745
9746         for (i = 14; i < tx_len; i++)
9747                 tx_data[i] = (u8) (i & 0xff);
9748
9749         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
9750
9751         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9752              HOSTCC_MODE_NOW);
9753
9754         udelay(10);
9755
9756         rx_start_idx = tp->hw_status->idx[0].rx_producer;
9757
9758         num_pkts = 0;
9759
9760         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
9761
9762         tp->tx_prod++;
9763         num_pkts++;
9764
9765         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
9766                      tp->tx_prod);
9767         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
9768
9769         udelay(10);
9770
9771         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
9772         for (i = 0; i < 25; i++) {
9773                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9774                        HOSTCC_MODE_NOW);
9775
9776                 udelay(10);
9777
9778                 tx_idx = tp->hw_status->idx[0].tx_consumer;
9779                 rx_idx = tp->hw_status->idx[0].rx_producer;
9780                 if ((tx_idx == tp->tx_prod) &&
9781                     (rx_idx == (rx_start_idx + num_pkts)))
9782                         break;
9783         }
9784
9785         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
9786         dev_kfree_skb(skb);
9787
9788         if (tx_idx != tp->tx_prod)
9789                 goto out;
9790
9791         if (rx_idx != rx_start_idx + num_pkts)
9792                 goto out;
9793
9794         desc = &tp->rx_rcb[rx_start_idx];
9795         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
9796         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9797         if (opaque_key != RXD_OPAQUE_RING_STD)
9798                 goto out;
9799
9800         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9801             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9802                 goto out;
9803
9804         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9805         if (rx_len != tx_len)
9806                 goto out;
9807
9808         rx_skb = tp->rx_std_buffers[desc_idx].skb;
9809
9810         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9811         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9812
9813         for (i = 14; i < tx_len; i++) {
9814                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9815                         goto out;
9816         }
9817         err = 0;
9818
9819         /* tg3_free_rings will unmap and free the rx_skb */
9820 out:
9821         return err;
9822 }
9823
9824 #define TG3_MAC_LOOPBACK_FAILED         1
9825 #define TG3_PHY_LOOPBACK_FAILED         2
9826 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
9827                                          TG3_PHY_LOOPBACK_FAILED)
9828
9829 static int tg3_test_loopback(struct tg3 *tp)
9830 {
9831         int err = 0;
9832         u32 cpmuctrl = 0;
9833
9834         if (!netif_running(tp->dev))
9835                 return TG3_LOOPBACK_FAILED;
9836
9837         err = tg3_reset_hw(tp, 1);
9838         if (err)
9839                 return TG3_LOOPBACK_FAILED;
9840
9841         /* Turn off gphy autopowerdown. */
9842         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9843                 tg3_phy_toggle_apd(tp, false);
9844
9845         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9846                 int i;
9847                 u32 status;
9848
9849                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
9850
9851                 /* Wait for up to 40 microseconds to acquire lock. */
9852                 for (i = 0; i < 4; i++) {
9853                         status = tr32(TG3_CPMU_MUTEX_GNT);
9854                         if (status == CPMU_MUTEX_GNT_DRIVER)
9855                                 break;
9856                         udelay(10);
9857                 }
9858
9859                 if (status != CPMU_MUTEX_GNT_DRIVER)
9860                         return TG3_LOOPBACK_FAILED;
9861
9862                 /* Turn off link-based power management. */
9863                 cpmuctrl = tr32(TG3_CPMU_CTRL);
9864                 tw32(TG3_CPMU_CTRL,
9865                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
9866                                   CPMU_CTRL_LINK_AWARE_MODE));
9867         }
9868
9869         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9870                 err |= TG3_MAC_LOOPBACK_FAILED;
9871
9872         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9873                 tw32(TG3_CPMU_CTRL, cpmuctrl);
9874
9875                 /* Release the mutex */
9876                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
9877         }
9878
9879         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9880             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
9881                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9882                         err |= TG3_PHY_LOOPBACK_FAILED;
9883         }
9884
9885         /* Re-enable gphy autopowerdown. */
9886         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9887                 tg3_phy_toggle_apd(tp, true);
9888
9889         return err;
9890 }
9891
9892 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9893                           u64 *data)
9894 {
9895         struct tg3 *tp = netdev_priv(dev);
9896
9897         if (tp->link_config.phy_is_low_power)
9898                 tg3_set_power_state(tp, PCI_D0);
9899
9900         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9901
9902         if (tg3_test_nvram(tp) != 0) {
9903                 etest->flags |= ETH_TEST_FL_FAILED;
9904                 data[0] = 1;
9905         }
9906         if (tg3_test_link(tp) != 0) {
9907                 etest->flags |= ETH_TEST_FL_FAILED;
9908                 data[1] = 1;
9909         }
9910         if (etest->flags & ETH_TEST_FL_OFFLINE) {
9911                 int err, err2 = 0, irq_sync = 0;
9912
9913                 if (netif_running(dev)) {
9914                         tg3_phy_stop(tp);
9915                         tg3_netif_stop(tp);
9916                         irq_sync = 1;
9917                 }
9918
9919                 tg3_full_lock(tp, irq_sync);
9920
9921                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
9922                 err = tg3_nvram_lock(tp);
9923                 tg3_halt_cpu(tp, RX_CPU_BASE);
9924                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9925                         tg3_halt_cpu(tp, TX_CPU_BASE);
9926                 if (!err)
9927                         tg3_nvram_unlock(tp);
9928
9929                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9930                         tg3_phy_reset(tp);
9931
9932                 if (tg3_test_registers(tp) != 0) {
9933                         etest->flags |= ETH_TEST_FL_FAILED;
9934                         data[2] = 1;
9935                 }
9936                 if (tg3_test_memory(tp) != 0) {
9937                         etest->flags |= ETH_TEST_FL_FAILED;
9938                         data[3] = 1;
9939                 }
9940                 if ((data[4] = tg3_test_loopback(tp)) != 0)
9941                         etest->flags |= ETH_TEST_FL_FAILED;
9942
9943                 tg3_full_unlock(tp);
9944
9945                 if (tg3_test_interrupt(tp) != 0) {
9946                         etest->flags |= ETH_TEST_FL_FAILED;
9947                         data[5] = 1;
9948                 }
9949
9950                 tg3_full_lock(tp, 0);
9951
9952                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9953                 if (netif_running(dev)) {
9954                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9955                         err2 = tg3_restart_hw(tp, 1);
9956                         if (!err2)
9957                                 tg3_netif_start(tp);
9958                 }
9959
9960                 tg3_full_unlock(tp);
9961
9962                 if (irq_sync && !err2)
9963                         tg3_phy_start(tp);
9964         }
9965         if (tp->link_config.phy_is_low_power)
9966                 tg3_set_power_state(tp, PCI_D3hot);
9967
9968 }
9969
9970 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9971 {
9972         struct mii_ioctl_data *data = if_mii(ifr);
9973         struct tg3 *tp = netdev_priv(dev);
9974         int err;
9975
9976         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9977                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9978                         return -EAGAIN;
9979                 return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
9980         }
9981
9982         switch(cmd) {
9983         case SIOCGMIIPHY:
9984                 data->phy_id = PHY_ADDR;
9985
9986                 /* fallthru */
9987         case SIOCGMIIREG: {
9988                 u32 mii_regval;
9989
9990                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9991                         break;                  /* We have no PHY */
9992
9993                 if (tp->link_config.phy_is_low_power)
9994                         return -EAGAIN;
9995
9996                 spin_lock_bh(&tp->lock);
9997                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9998                 spin_unlock_bh(&tp->lock);
9999
10000                 data->val_out = mii_regval;
10001
10002                 return err;
10003         }
10004
10005         case SIOCSMIIREG:
10006                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10007                         break;                  /* We have no PHY */
10008
10009                 if (!capable(CAP_NET_ADMIN))
10010                         return -EPERM;
10011
10012                 if (tp->link_config.phy_is_low_power)
10013                         return -EAGAIN;
10014
10015                 spin_lock_bh(&tp->lock);
10016                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10017                 spin_unlock_bh(&tp->lock);
10018
10019                 return err;
10020
10021         default:
10022                 /* do nothing */
10023                 break;
10024         }
10025         return -EOPNOTSUPP;
10026 }
10027
10028 #if TG3_VLAN_TAG_USED
10029 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10030 {
10031         struct tg3 *tp = netdev_priv(dev);
10032
10033         if (!netif_running(dev)) {
10034                 tp->vlgrp = grp;
10035                 return;
10036         }
10037
10038         tg3_netif_stop(tp);
10039
10040         tg3_full_lock(tp, 0);
10041
10042         tp->vlgrp = grp;
10043
10044         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10045         __tg3_set_rx_mode(dev);
10046
10047         tg3_netif_start(tp);
10048
10049         tg3_full_unlock(tp);
10050 }
10051 #endif
10052
10053 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10054 {
10055         struct tg3 *tp = netdev_priv(dev);
10056
10057         memcpy(ec, &tp->coal, sizeof(*ec));
10058         return 0;
10059 }
10060
10061 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10062 {
10063         struct tg3 *tp = netdev_priv(dev);
10064         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10065         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10066
10067         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10068                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10069                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10070                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10071                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10072         }
10073
10074         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10075             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10076             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10077             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10078             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10079             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10080             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10081             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10082             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10083             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10084                 return -EINVAL;
10085
10086         /* No rx interrupts will be generated if both are zero */
10087         if ((ec->rx_coalesce_usecs == 0) &&
10088             (ec->rx_max_coalesced_frames == 0))
10089                 return -EINVAL;
10090
10091         /* No tx interrupts will be generated if both are zero */
10092         if ((ec->tx_coalesce_usecs == 0) &&
10093             (ec->tx_max_coalesced_frames == 0))
10094                 return -EINVAL;
10095
10096         /* Only copy relevant parameters, ignore all others. */
10097         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10098         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10099         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10100         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10101         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10102         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10103         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10104         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10105         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10106
10107         if (netif_running(dev)) {
10108                 tg3_full_lock(tp, 0);
10109                 __tg3_set_coalesce(tp, &tp->coal);
10110                 tg3_full_unlock(tp);
10111         }
10112         return 0;
10113 }
10114
10115 static const struct ethtool_ops tg3_ethtool_ops = {
10116         .get_settings           = tg3_get_settings,
10117         .set_settings           = tg3_set_settings,
10118         .get_drvinfo            = tg3_get_drvinfo,
10119         .get_regs_len           = tg3_get_regs_len,
10120         .get_regs               = tg3_get_regs,
10121         .get_wol                = tg3_get_wol,
10122         .set_wol                = tg3_set_wol,
10123         .get_msglevel           = tg3_get_msglevel,
10124         .set_msglevel           = tg3_set_msglevel,
10125         .nway_reset             = tg3_nway_reset,
10126         .get_link               = ethtool_op_get_link,
10127         .get_eeprom_len         = tg3_get_eeprom_len,
10128         .get_eeprom             = tg3_get_eeprom,
10129         .set_eeprom             = tg3_set_eeprom,
10130         .get_ringparam          = tg3_get_ringparam,
10131         .set_ringparam          = tg3_set_ringparam,
10132         .get_pauseparam         = tg3_get_pauseparam,
10133         .set_pauseparam         = tg3_set_pauseparam,
10134         .get_rx_csum            = tg3_get_rx_csum,
10135         .set_rx_csum            = tg3_set_rx_csum,
10136         .set_tx_csum            = tg3_set_tx_csum,
10137         .set_sg                 = ethtool_op_set_sg,
10138         .set_tso                = tg3_set_tso,
10139         .self_test              = tg3_self_test,
10140         .get_strings            = tg3_get_strings,
10141         .phys_id                = tg3_phys_id,
10142         .get_ethtool_stats      = tg3_get_ethtool_stats,
10143         .get_coalesce           = tg3_get_coalesce,
10144         .set_coalesce           = tg3_set_coalesce,
10145         .get_sset_count         = tg3_get_sset_count,
10146 };
10147
10148 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10149 {
10150         u32 cursize, val, magic;
10151
10152         tp->nvram_size = EEPROM_CHIP_SIZE;
10153
10154         if (tg3_nvram_read(tp, 0, &magic) != 0)
10155                 return;
10156
10157         if ((magic != TG3_EEPROM_MAGIC) &&
10158             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10159             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
10160                 return;
10161
10162         /*
10163          * Size the chip by reading offsets at increasing powers of two.
10164          * When we encounter our validation signature, we know the addressing
10165          * has wrapped around, and thus have our chip size.
10166          */
10167         cursize = 0x10;
10168
10169         while (cursize < tp->nvram_size) {
10170                 if (tg3_nvram_read(tp, cursize, &val) != 0)
10171                         return;
10172
10173                 if (val == magic)
10174                         break;
10175
10176                 cursize <<= 1;
10177         }
10178
10179         tp->nvram_size = cursize;
10180 }
10181
10182 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10183 {
10184         u32 val;
10185
10186         if (tg3_nvram_read(tp, 0, &val) != 0)
10187                 return;
10188
10189         /* Selfboot format */
10190         if (val != TG3_EEPROM_MAGIC) {
10191                 tg3_get_eeprom_size(tp);
10192                 return;
10193         }
10194
10195         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
10196                 if (val != 0) {
10197                         /* This is confusing.  We want to operate on the
10198                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
10199                          * call will read from NVRAM and byteswap the data
10200                          * according to the byteswapping settings for all
10201                          * other register accesses.  This ensures the data we
10202                          * want will always reside in the lower 16-bits.
10203                          * However, the data in NVRAM is in LE format, which
10204                          * means the data from the NVRAM read will always be
10205                          * opposite the endianness of the CPU.  The 16-bit
10206                          * byteswap then brings the data to CPU endianness.
10207                          */
10208                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
10209                         return;
10210                 }
10211         }
10212         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10213 }
10214
10215 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10216 {
10217         u32 nvcfg1;
10218
10219         nvcfg1 = tr32(NVRAM_CFG1);
10220         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10221                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10222         }
10223         else {
10224                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10225                 tw32(NVRAM_CFG1, nvcfg1);
10226         }
10227
10228         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
10229             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10230                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
10231                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10232                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10233                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10234                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10235                                 break;
10236                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10237                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10238                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10239                                 break;
10240                         case FLASH_VENDOR_ATMEL_EEPROM:
10241                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10242                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10243                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10244                                 break;
10245                         case FLASH_VENDOR_ST:
10246                                 tp->nvram_jedecnum = JEDEC_ST;
10247                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10248                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10249                                 break;
10250                         case FLASH_VENDOR_SAIFUN:
10251                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
10252                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10253                                 break;
10254                         case FLASH_VENDOR_SST_SMALL:
10255                         case FLASH_VENDOR_SST_LARGE:
10256                                 tp->nvram_jedecnum = JEDEC_SST;
10257                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10258                                 break;
10259                 }
10260         }
10261         else {
10262                 tp->nvram_jedecnum = JEDEC_ATMEL;
10263                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10264                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10265         }
10266 }
10267
10268 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
10269 {
10270         u32 nvcfg1;
10271
10272         nvcfg1 = tr32(NVRAM_CFG1);
10273
10274         /* NVRAM protection for TPM */
10275         if (nvcfg1 & (1 << 27))
10276                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10277
10278         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10279                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
10280                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
10281                         tp->nvram_jedecnum = JEDEC_ATMEL;
10282                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10283                         break;
10284                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10285                         tp->nvram_jedecnum = JEDEC_ATMEL;
10286                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10287                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10288                         break;
10289                 case FLASH_5752VENDOR_ST_M45PE10:
10290                 case FLASH_5752VENDOR_ST_M45PE20:
10291                 case FLASH_5752VENDOR_ST_M45PE40:
10292                         tp->nvram_jedecnum = JEDEC_ST;
10293                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10294                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10295                         break;
10296         }
10297
10298         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
10299                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10300                         case FLASH_5752PAGE_SIZE_256:
10301                                 tp->nvram_pagesize = 256;
10302                                 break;
10303                         case FLASH_5752PAGE_SIZE_512:
10304                                 tp->nvram_pagesize = 512;
10305                                 break;
10306                         case FLASH_5752PAGE_SIZE_1K:
10307                                 tp->nvram_pagesize = 1024;
10308                                 break;
10309                         case FLASH_5752PAGE_SIZE_2K:
10310                                 tp->nvram_pagesize = 2048;
10311                                 break;
10312                         case FLASH_5752PAGE_SIZE_4K:
10313                                 tp->nvram_pagesize = 4096;
10314                                 break;
10315                         case FLASH_5752PAGE_SIZE_264:
10316                                 tp->nvram_pagesize = 264;
10317                                 break;
10318                 }
10319         }
10320         else {
10321                 /* For eeprom, set pagesize to maximum eeprom size */
10322                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10323
10324                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10325                 tw32(NVRAM_CFG1, nvcfg1);
10326         }
10327 }
10328
10329 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
10330 {
10331         u32 nvcfg1, protect = 0;
10332
10333         nvcfg1 = tr32(NVRAM_CFG1);
10334
10335         /* NVRAM protection for TPM */
10336         if (nvcfg1 & (1 << 27)) {
10337                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10338                 protect = 1;
10339         }
10340
10341         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10342         switch (nvcfg1) {
10343                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10344                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10345                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10346                 case FLASH_5755VENDOR_ATMEL_FLASH_5:
10347                         tp->nvram_jedecnum = JEDEC_ATMEL;
10348                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10349                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10350                         tp->nvram_pagesize = 264;
10351                         if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
10352                             nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
10353                                 tp->nvram_size = (protect ? 0x3e200 :
10354                                                   TG3_NVRAM_SIZE_512KB);
10355                         else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
10356                                 tp->nvram_size = (protect ? 0x1f200 :
10357                                                   TG3_NVRAM_SIZE_256KB);
10358                         else
10359                                 tp->nvram_size = (protect ? 0x1f200 :
10360                                                   TG3_NVRAM_SIZE_128KB);
10361                         break;
10362                 case FLASH_5752VENDOR_ST_M45PE10:
10363                 case FLASH_5752VENDOR_ST_M45PE20:
10364                 case FLASH_5752VENDOR_ST_M45PE40:
10365                         tp->nvram_jedecnum = JEDEC_ST;
10366                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10367                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10368                         tp->nvram_pagesize = 256;
10369                         if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
10370                                 tp->nvram_size = (protect ?
10371                                                   TG3_NVRAM_SIZE_64KB :
10372                                                   TG3_NVRAM_SIZE_128KB);
10373                         else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
10374                                 tp->nvram_size = (protect ?
10375                                                   TG3_NVRAM_SIZE_64KB :
10376                                                   TG3_NVRAM_SIZE_256KB);
10377                         else
10378                                 tp->nvram_size = (protect ?
10379                                                   TG3_NVRAM_SIZE_128KB :
10380                                                   TG3_NVRAM_SIZE_512KB);
10381                         break;
10382         }
10383 }
10384
10385 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
10386 {
10387         u32 nvcfg1;
10388
10389         nvcfg1 = tr32(NVRAM_CFG1);
10390
10391         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10392                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
10393                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10394                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
10395                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10396                         tp->nvram_jedecnum = JEDEC_ATMEL;
10397                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10398                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10399
10400                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10401                         tw32(NVRAM_CFG1, nvcfg1);
10402                         break;
10403                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10404                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10405                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10406                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10407                         tp->nvram_jedecnum = JEDEC_ATMEL;
10408                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10409                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10410                         tp->nvram_pagesize = 264;
10411                         break;
10412                 case FLASH_5752VENDOR_ST_M45PE10:
10413                 case FLASH_5752VENDOR_ST_M45PE20:
10414                 case FLASH_5752VENDOR_ST_M45PE40:
10415                         tp->nvram_jedecnum = JEDEC_ST;
10416                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10417                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10418                         tp->nvram_pagesize = 256;
10419                         break;
10420         }
10421 }
10422
10423 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
10424 {
10425         u32 nvcfg1, protect = 0;
10426
10427         nvcfg1 = tr32(NVRAM_CFG1);
10428
10429         /* NVRAM protection for TPM */
10430         if (nvcfg1 & (1 << 27)) {
10431                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10432                 protect = 1;
10433         }
10434
10435         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10436         switch (nvcfg1) {
10437                 case FLASH_5761VENDOR_ATMEL_ADB021D:
10438                 case FLASH_5761VENDOR_ATMEL_ADB041D:
10439                 case FLASH_5761VENDOR_ATMEL_ADB081D:
10440                 case FLASH_5761VENDOR_ATMEL_ADB161D:
10441                 case FLASH_5761VENDOR_ATMEL_MDB021D:
10442                 case FLASH_5761VENDOR_ATMEL_MDB041D:
10443                 case FLASH_5761VENDOR_ATMEL_MDB081D:
10444                 case FLASH_5761VENDOR_ATMEL_MDB161D:
10445                         tp->nvram_jedecnum = JEDEC_ATMEL;
10446                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10447                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10448                         tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10449                         tp->nvram_pagesize = 256;
10450                         break;
10451                 case FLASH_5761VENDOR_ST_A_M45PE20:
10452                 case FLASH_5761VENDOR_ST_A_M45PE40:
10453                 case FLASH_5761VENDOR_ST_A_M45PE80:
10454                 case FLASH_5761VENDOR_ST_A_M45PE16:
10455                 case FLASH_5761VENDOR_ST_M_M45PE20:
10456                 case FLASH_5761VENDOR_ST_M_M45PE40:
10457                 case FLASH_5761VENDOR_ST_M_M45PE80:
10458                 case FLASH_5761VENDOR_ST_M_M45PE16:
10459                         tp->nvram_jedecnum = JEDEC_ST;
10460                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10461                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10462                         tp->nvram_pagesize = 256;
10463                         break;
10464         }
10465
10466         if (protect) {
10467                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
10468         } else {
10469                 switch (nvcfg1) {
10470                         case FLASH_5761VENDOR_ATMEL_ADB161D:
10471                         case FLASH_5761VENDOR_ATMEL_MDB161D:
10472                         case FLASH_5761VENDOR_ST_A_M45PE16:
10473                         case FLASH_5761VENDOR_ST_M_M45PE16:
10474                                 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
10475                                 break;
10476                         case FLASH_5761VENDOR_ATMEL_ADB081D:
10477                         case FLASH_5761VENDOR_ATMEL_MDB081D:
10478                         case FLASH_5761VENDOR_ST_A_M45PE80:
10479                         case FLASH_5761VENDOR_ST_M_M45PE80:
10480                                 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
10481                                 break;
10482                         case FLASH_5761VENDOR_ATMEL_ADB041D:
10483                         case FLASH_5761VENDOR_ATMEL_MDB041D:
10484                         case FLASH_5761VENDOR_ST_A_M45PE40:
10485                         case FLASH_5761VENDOR_ST_M_M45PE40:
10486                                 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10487                                 break;
10488                         case FLASH_5761VENDOR_ATMEL_ADB021D:
10489                         case FLASH_5761VENDOR_ATMEL_MDB021D:
10490                         case FLASH_5761VENDOR_ST_A_M45PE20:
10491                         case FLASH_5761VENDOR_ST_M_M45PE20:
10492                                 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10493                                 break;
10494                 }
10495         }
10496 }
10497
10498 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
10499 {
10500         tp->nvram_jedecnum = JEDEC_ATMEL;
10501         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10502         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10503 }
10504
10505 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
10506 {
10507         u32 nvcfg1;
10508
10509         nvcfg1 = tr32(NVRAM_CFG1);
10510
10511         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10512         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10513         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10514                 tp->nvram_jedecnum = JEDEC_ATMEL;
10515                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10516                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10517
10518                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10519                 tw32(NVRAM_CFG1, nvcfg1);
10520                 return;
10521         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10522         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10523         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10524         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10525         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10526         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10527         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10528                 tp->nvram_jedecnum = JEDEC_ATMEL;
10529                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10530                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10531
10532                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10533                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10534                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10535                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10536                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10537                         break;
10538                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10539                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10540                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10541                         break;
10542                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10543                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10544                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10545                         break;
10546                 }
10547                 break;
10548         case FLASH_5752VENDOR_ST_M45PE10:
10549         case FLASH_5752VENDOR_ST_M45PE20:
10550         case FLASH_5752VENDOR_ST_M45PE40:
10551                 tp->nvram_jedecnum = JEDEC_ST;
10552                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10553                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10554
10555                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10556                 case FLASH_5752VENDOR_ST_M45PE10:
10557                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10558                         break;
10559                 case FLASH_5752VENDOR_ST_M45PE20:
10560                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10561                         break;
10562                 case FLASH_5752VENDOR_ST_M45PE40:
10563                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10564                         break;
10565                 }
10566                 break;
10567         default:
10568                 return;
10569         }
10570
10571         switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10572         case FLASH_5752PAGE_SIZE_256:
10573                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10574                 tp->nvram_pagesize = 256;
10575                 break;
10576         case FLASH_5752PAGE_SIZE_512:
10577                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10578                 tp->nvram_pagesize = 512;
10579                 break;
10580         case FLASH_5752PAGE_SIZE_1K:
10581                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10582                 tp->nvram_pagesize = 1024;
10583                 break;
10584         case FLASH_5752PAGE_SIZE_2K:
10585                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10586                 tp->nvram_pagesize = 2048;
10587                 break;
10588         case FLASH_5752PAGE_SIZE_4K:
10589                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10590                 tp->nvram_pagesize = 4096;
10591                 break;
10592         case FLASH_5752PAGE_SIZE_264:
10593                 tp->nvram_pagesize = 264;
10594                 break;
10595         case FLASH_5752PAGE_SIZE_528:
10596                 tp->nvram_pagesize = 528;
10597                 break;
10598         }
10599 }
10600
10601 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
10602 static void __devinit tg3_nvram_init(struct tg3 *tp)
10603 {
10604         tw32_f(GRC_EEPROM_ADDR,
10605              (EEPROM_ADDR_FSM_RESET |
10606               (EEPROM_DEFAULT_CLOCK_PERIOD <<
10607                EEPROM_ADDR_CLKPERD_SHIFT)));
10608
10609         msleep(1);
10610
10611         /* Enable seeprom accesses. */
10612         tw32_f(GRC_LOCAL_CTRL,
10613              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
10614         udelay(100);
10615
10616         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
10617             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
10618                 tp->tg3_flags |= TG3_FLAG_NVRAM;
10619
10620                 if (tg3_nvram_lock(tp)) {
10621                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
10622                                "tg3_nvram_init failed.\n", tp->dev->name);
10623                         return;
10624                 }
10625                 tg3_enable_nvram_access(tp);
10626
10627                 tp->nvram_size = 0;
10628
10629                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10630                         tg3_get_5752_nvram_info(tp);
10631                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10632                         tg3_get_5755_nvram_info(tp);
10633                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10634                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
10635                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10636                         tg3_get_5787_nvram_info(tp);
10637                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
10638                         tg3_get_5761_nvram_info(tp);
10639                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10640                         tg3_get_5906_nvram_info(tp);
10641                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
10642                         tg3_get_57780_nvram_info(tp);
10643                 else
10644                         tg3_get_nvram_info(tp);
10645
10646                 if (tp->nvram_size == 0)
10647                         tg3_get_nvram_size(tp);
10648
10649                 tg3_disable_nvram_access(tp);
10650                 tg3_nvram_unlock(tp);
10651
10652         } else {
10653                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
10654
10655                 tg3_get_eeprom_size(tp);
10656         }
10657 }
10658
10659 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10660                                     u32 offset, u32 len, u8 *buf)
10661 {
10662         int i, j, rc = 0;
10663         u32 val;
10664
10665         for (i = 0; i < len; i += 4) {
10666                 u32 addr;
10667                 __be32 data;
10668
10669                 addr = offset + i;
10670
10671                 memcpy(&data, buf + i, 4);
10672
10673                 /*
10674                  * The SEEPROM interface expects the data to always be opposite
10675                  * the native endian format.  We accomplish this by reversing
10676                  * all the operations that would have been performed on the
10677                  * data from a call to tg3_nvram_read_be32().
10678                  */
10679                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
10680
10681                 val = tr32(GRC_EEPROM_ADDR);
10682                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10683
10684                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10685                         EEPROM_ADDR_READ);
10686                 tw32(GRC_EEPROM_ADDR, val |
10687                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
10688                         (addr & EEPROM_ADDR_ADDR_MASK) |
10689                         EEPROM_ADDR_START |
10690                         EEPROM_ADDR_WRITE);
10691
10692                 for (j = 0; j < 1000; j++) {
10693                         val = tr32(GRC_EEPROM_ADDR);
10694
10695                         if (val & EEPROM_ADDR_COMPLETE)
10696                                 break;
10697                         msleep(1);
10698                 }
10699                 if (!(val & EEPROM_ADDR_COMPLETE)) {
10700                         rc = -EBUSY;
10701                         break;
10702                 }
10703         }
10704
10705         return rc;
10706 }
10707
10708 /* offset and length are dword aligned */
10709 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
10710                 u8 *buf)
10711 {
10712         int ret = 0;
10713         u32 pagesize = tp->nvram_pagesize;
10714         u32 pagemask = pagesize - 1;
10715         u32 nvram_cmd;
10716         u8 *tmp;
10717
10718         tmp = kmalloc(pagesize, GFP_KERNEL);
10719         if (tmp == NULL)
10720                 return -ENOMEM;
10721
10722         while (len) {
10723                 int j;
10724                 u32 phy_addr, page_off, size;
10725
10726                 phy_addr = offset & ~pagemask;
10727
10728                 for (j = 0; j < pagesize; j += 4) {
10729                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
10730                                                   (__be32 *) (tmp + j));
10731                         if (ret)
10732                                 break;
10733                 }
10734                 if (ret)
10735                         break;
10736
10737                 page_off = offset & pagemask;
10738                 size = pagesize;
10739                 if (len < size)
10740                         size = len;
10741
10742                 len -= size;
10743
10744                 memcpy(tmp + page_off, buf, size);
10745
10746                 offset = offset + (pagesize - page_off);
10747
10748                 tg3_enable_nvram_access(tp);
10749
10750                 /*
10751                  * Before we can erase the flash page, we need
10752                  * to issue a special "write enable" command.
10753                  */
10754                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10755
10756                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10757                         break;
10758
10759                 /* Erase the target page */
10760                 tw32(NVRAM_ADDR, phy_addr);
10761
10762                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
10763                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
10764
10765                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10766                         break;
10767
10768                 /* Issue another write enable to start the write. */
10769                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10770
10771                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10772                         break;
10773
10774                 for (j = 0; j < pagesize; j += 4) {
10775                         __be32 data;
10776
10777                         data = *((__be32 *) (tmp + j));
10778
10779                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
10780
10781                         tw32(NVRAM_ADDR, phy_addr + j);
10782
10783                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
10784                                 NVRAM_CMD_WR;
10785
10786                         if (j == 0)
10787                                 nvram_cmd |= NVRAM_CMD_FIRST;
10788                         else if (j == (pagesize - 4))
10789                                 nvram_cmd |= NVRAM_CMD_LAST;
10790
10791                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10792                                 break;
10793                 }
10794                 if (ret)
10795                         break;
10796         }
10797
10798         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10799         tg3_nvram_exec_cmd(tp, nvram_cmd);
10800
10801         kfree(tmp);
10802
10803         return ret;
10804 }
10805
10806 /* offset and length are dword aligned */
10807 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
10808                 u8 *buf)
10809 {
10810         int i, ret = 0;
10811
10812         for (i = 0; i < len; i += 4, offset += 4) {
10813                 u32 page_off, phy_addr, nvram_cmd;
10814                 __be32 data;
10815
10816                 memcpy(&data, buf + i, 4);
10817                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
10818
10819                 page_off = offset % tp->nvram_pagesize;
10820
10821                 phy_addr = tg3_nvram_phys_addr(tp, offset);
10822
10823                 tw32(NVRAM_ADDR, phy_addr);
10824
10825                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
10826
10827                 if ((page_off == 0) || (i == 0))
10828                         nvram_cmd |= NVRAM_CMD_FIRST;
10829                 if (page_off == (tp->nvram_pagesize - 4))
10830                         nvram_cmd |= NVRAM_CMD_LAST;
10831
10832                 if (i == (len - 4))
10833                         nvram_cmd |= NVRAM_CMD_LAST;
10834
10835                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10836                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
10837                     (tp->nvram_jedecnum == JEDEC_ST) &&
10838                     (nvram_cmd & NVRAM_CMD_FIRST)) {
10839
10840                         if ((ret = tg3_nvram_exec_cmd(tp,
10841                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
10842                                 NVRAM_CMD_DONE)))
10843
10844                                 break;
10845                 }
10846                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10847                         /* We always do complete word writes to eeprom. */
10848                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
10849                 }
10850
10851                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10852                         break;
10853         }
10854         return ret;
10855 }
10856
10857 /* offset and length are dword aligned */
10858 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
10859 {
10860         int ret;
10861
10862         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10863                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
10864                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
10865                 udelay(40);
10866         }
10867
10868         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
10869                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
10870         }
10871         else {
10872                 u32 grc_mode;
10873
10874                 ret = tg3_nvram_lock(tp);
10875                 if (ret)
10876                         return ret;
10877
10878                 tg3_enable_nvram_access(tp);
10879                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
10880                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
10881                         tw32(NVRAM_WRITE1, 0x406);
10882
10883                 grc_mode = tr32(GRC_MODE);
10884                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
10885
10886                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
10887                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10888
10889                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
10890                                 buf);
10891                 }
10892                 else {
10893                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
10894                                 buf);
10895                 }
10896
10897                 grc_mode = tr32(GRC_MODE);
10898                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
10899
10900                 tg3_disable_nvram_access(tp);
10901                 tg3_nvram_unlock(tp);
10902         }
10903
10904         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10905                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10906                 udelay(40);
10907         }
10908
10909         return ret;
10910 }
10911
10912 struct subsys_tbl_ent {
10913         u16 subsys_vendor, subsys_devid;
10914         u32 phy_id;
10915 };
10916
10917 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
10918         /* Broadcom boards. */
10919         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
10920         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
10921         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
10922         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
10923         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
10924         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
10925         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
10926         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
10927         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
10928         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
10929         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
10930
10931         /* 3com boards. */
10932         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10933         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10934         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
10935         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10936         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10937
10938         /* DELL boards. */
10939         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10940         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10941         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10942         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10943
10944         /* Compaq boards. */
10945         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10946         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10947         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
10948         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10949         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10950
10951         /* IBM boards. */
10952         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10953 };
10954
10955 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10956 {
10957         int i;
10958
10959         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10960                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10961                      tp->pdev->subsystem_vendor) &&
10962                     (subsys_id_to_phy_id[i].subsys_devid ==
10963                      tp->pdev->subsystem_device))
10964                         return &subsys_id_to_phy_id[i];
10965         }
10966         return NULL;
10967 }
10968
10969 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
10970 {
10971         u32 val;
10972         u16 pmcsr;
10973
10974         /* On some early chips the SRAM cannot be accessed in D3hot state,
10975          * so need make sure we're in D0.
10976          */
10977         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10978         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10979         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10980         msleep(1);
10981
10982         /* Make sure register accesses (indirect or otherwise)
10983          * will function correctly.
10984          */
10985         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10986                                tp->misc_host_ctrl);
10987
10988         /* The memory arbiter has to be enabled in order for SRAM accesses
10989          * to succeed.  Normally on powerup the tg3 chip firmware will make
10990          * sure it is enabled, but other entities such as system netboot
10991          * code might disable it.
10992          */
10993         val = tr32(MEMARB_MODE);
10994         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10995
10996         tp->phy_id = PHY_ID_INVALID;
10997         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10998
10999         /* Assume an onboard device and WOL capable by default.  */
11000         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
11001
11002         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11003                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
11004                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11005                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11006                 }
11007                 val = tr32(VCPU_CFGSHDW);
11008                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
11009                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11010                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
11011                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
11012                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11013                 goto done;
11014         }
11015
11016         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11017         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11018                 u32 nic_cfg, led_cfg;
11019                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
11020                 int eeprom_phy_serdes = 0;
11021
11022                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11023                 tp->nic_sram_data_cfg = nic_cfg;
11024
11025                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11026                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11027                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11028                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11029                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11030                     (ver > 0) && (ver < 0x100))
11031                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11032
11033                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11034                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11035
11036                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11037                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11038                         eeprom_phy_serdes = 1;
11039
11040                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11041                 if (nic_phy_id != 0) {
11042                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11043                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11044
11045                         eeprom_phy_id  = (id1 >> 16) << 10;
11046                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
11047                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
11048                 } else
11049                         eeprom_phy_id = 0;
11050
11051                 tp->phy_id = eeprom_phy_id;
11052                 if (eeprom_phy_serdes) {
11053                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
11054                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11055                         else
11056                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11057                 }
11058
11059                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11060                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11061                                     SHASTA_EXT_LED_MODE_MASK);
11062                 else
11063                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11064
11065                 switch (led_cfg) {
11066                 default:
11067                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11068                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11069                         break;
11070
11071                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11072                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11073                         break;
11074
11075                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11076                         tp->led_ctrl = LED_CTRL_MODE_MAC;
11077
11078                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11079                          * read on some older 5700/5701 bootcode.
11080                          */
11081                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11082                             ASIC_REV_5700 ||
11083                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
11084                             ASIC_REV_5701)
11085                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11086
11087                         break;
11088
11089                 case SHASTA_EXT_LED_SHARED:
11090                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
11091                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11092                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11093                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11094                                                  LED_CTRL_MODE_PHY_2);
11095                         break;
11096
11097                 case SHASTA_EXT_LED_MAC:
11098                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11099                         break;
11100
11101                 case SHASTA_EXT_LED_COMBO:
11102                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
11103                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11104                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11105                                                  LED_CTRL_MODE_PHY_2);
11106                         break;
11107
11108                 }
11109
11110                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11111                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11112                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11113                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11114
11115                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11116                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11117
11118                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
11119                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
11120                         if ((tp->pdev->subsystem_vendor ==
11121                              PCI_VENDOR_ID_ARIMA) &&
11122                             (tp->pdev->subsystem_device == 0x205a ||
11123                              tp->pdev->subsystem_device == 0x2063))
11124                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11125                 } else {
11126                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11127                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11128                 }
11129
11130                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11131                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
11132                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11133                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11134                 }
11135
11136                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11137                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11138                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
11139
11140                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11141                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11142                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
11143
11144                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
11145                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
11146                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11147
11148                 if (cfg2 & (1 << 17))
11149                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11150
11151                 /* serdes signal pre-emphasis in register 0x590 set by */
11152                 /* bootcode if bit 18 is set */
11153                 if (cfg2 & (1 << 18))
11154                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
11155
11156                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11157                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
11158                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11159                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11160
11161                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11162                         u32 cfg3;
11163
11164                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11165                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11166                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11167                 }
11168
11169                 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11170                         tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11171                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11172                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11173                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11174                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
11175         }
11176 done:
11177         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11178         device_set_wakeup_enable(&tp->pdev->dev,
11179                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
11180 }
11181
11182 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11183 {
11184         int i;
11185         u32 val;
11186
11187         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11188         tw32(OTP_CTRL, cmd);
11189
11190         /* Wait for up to 1 ms for command to execute. */
11191         for (i = 0; i < 100; i++) {
11192                 val = tr32(OTP_STATUS);
11193                 if (val & OTP_STATUS_CMD_DONE)
11194                         break;
11195                 udelay(10);
11196         }
11197
11198         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11199 }
11200
11201 /* Read the gphy configuration from the OTP region of the chip.  The gphy
11202  * configuration is a 32-bit value that straddles the alignment boundary.
11203  * We do two 32-bit reads and then shift and merge the results.
11204  */
11205 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11206 {
11207         u32 bhalf_otp, thalf_otp;
11208
11209         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
11210
11211         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
11212                 return 0;
11213
11214         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
11215
11216         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11217                 return 0;
11218
11219         thalf_otp = tr32(OTP_READ_DATA);
11220
11221         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
11222
11223         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11224                 return 0;
11225
11226         bhalf_otp = tr32(OTP_READ_DATA);
11227
11228         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
11229 }
11230
11231 static int __devinit tg3_phy_probe(struct tg3 *tp)
11232 {
11233         u32 hw_phy_id_1, hw_phy_id_2;
11234         u32 hw_phy_id, hw_phy_id_masked;
11235         int err;
11236
11237         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
11238                 return tg3_phy_init(tp);
11239
11240         /* Reading the PHY ID register can conflict with ASF
11241          * firmware access to the PHY hardware.
11242          */
11243         err = 0;
11244         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11245             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
11246                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
11247         } else {
11248                 /* Now read the physical PHY_ID from the chip and verify
11249                  * that it is sane.  If it doesn't look good, we fall back
11250                  * to either the hard-coded table based PHY_ID and failing
11251                  * that the value found in the eeprom area.
11252                  */
11253                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
11254                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
11255
11256                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
11257                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
11258                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
11259
11260                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
11261         }
11262
11263         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
11264                 tp->phy_id = hw_phy_id;
11265                 if (hw_phy_id_masked == PHY_ID_BCM8002)
11266                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11267                 else
11268                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
11269         } else {
11270                 if (tp->phy_id != PHY_ID_INVALID) {
11271                         /* Do nothing, phy ID already set up in
11272                          * tg3_get_eeprom_hw_cfg().
11273                          */
11274                 } else {
11275                         struct subsys_tbl_ent *p;
11276
11277                         /* No eeprom signature?  Try the hardcoded
11278                          * subsys device table.
11279                          */
11280                         p = lookup_by_subsys(tp);
11281                         if (!p)
11282                                 return -ENODEV;
11283
11284                         tp->phy_id = p->phy_id;
11285                         if (!tp->phy_id ||
11286                             tp->phy_id == PHY_ID_BCM8002)
11287                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11288                 }
11289         }
11290
11291         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
11292             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
11293             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
11294                 u32 bmsr, adv_reg, tg3_ctrl, mask;
11295
11296                 tg3_readphy(tp, MII_BMSR, &bmsr);
11297                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
11298                     (bmsr & BMSR_LSTATUS))
11299                         goto skip_phy_reset;
11300
11301                 err = tg3_phy_reset(tp);
11302                 if (err)
11303                         return err;
11304
11305                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
11306                            ADVERTISE_100HALF | ADVERTISE_100FULL |
11307                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
11308                 tg3_ctrl = 0;
11309                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
11310                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
11311                                     MII_TG3_CTRL_ADV_1000_FULL);
11312                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11313                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
11314                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
11315                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
11316                 }
11317
11318                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11319                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11320                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
11321                 if (!tg3_copper_is_advertising_all(tp, mask)) {
11322                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11323
11324                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11325                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11326
11327                         tg3_writephy(tp, MII_BMCR,
11328                                      BMCR_ANENABLE | BMCR_ANRESTART);
11329                 }
11330                 tg3_phy_set_wirespeed(tp);
11331
11332                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11333                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11334                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11335         }
11336
11337 skip_phy_reset:
11338         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
11339                 err = tg3_init_5401phy_dsp(tp);
11340                 if (err)
11341                         return err;
11342         }
11343
11344         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
11345                 err = tg3_init_5401phy_dsp(tp);
11346         }
11347
11348         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
11349                 tp->link_config.advertising =
11350                         (ADVERTISED_1000baseT_Half |
11351                          ADVERTISED_1000baseT_Full |
11352                          ADVERTISED_Autoneg |
11353                          ADVERTISED_FIBRE);
11354         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
11355                 tp->link_config.advertising &=
11356                         ~(ADVERTISED_1000baseT_Half |
11357                           ADVERTISED_1000baseT_Full);
11358
11359         return err;
11360 }
11361
11362 static void __devinit tg3_read_partno(struct tg3 *tp)
11363 {
11364         unsigned char vpd_data[256];   /* in little-endian format */
11365         unsigned int i;
11366         u32 magic;
11367
11368         if (tg3_nvram_read(tp, 0x0, &magic))
11369                 goto out_not_found;
11370
11371         if (magic == TG3_EEPROM_MAGIC) {
11372                 for (i = 0; i < 256; i += 4) {
11373                         u32 tmp;
11374
11375                         /* The data is in little-endian format in NVRAM.
11376                          * Use the big-endian read routines to preserve
11377                          * the byte order as it exists in NVRAM.
11378                          */
11379                         if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
11380                                 goto out_not_found;
11381
11382                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
11383                 }
11384         } else {
11385                 int vpd_cap;
11386
11387                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
11388                 for (i = 0; i < 256; i += 4) {
11389                         u32 tmp, j = 0;
11390                         __le32 v;
11391                         u16 tmp16;
11392
11393                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
11394                                               i);
11395                         while (j++ < 100) {
11396                                 pci_read_config_word(tp->pdev, vpd_cap +
11397                                                      PCI_VPD_ADDR, &tmp16);
11398                                 if (tmp16 & 0x8000)
11399                                         break;
11400                                 msleep(1);
11401                         }
11402                         if (!(tmp16 & 0x8000))
11403                                 goto out_not_found;
11404
11405                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
11406                                               &tmp);
11407                         v = cpu_to_le32(tmp);
11408                         memcpy(&vpd_data[i], &v, sizeof(v));
11409                 }
11410         }
11411
11412         /* Now parse and find the part number. */
11413         for (i = 0; i < 254; ) {
11414                 unsigned char val = vpd_data[i];
11415                 unsigned int block_end;
11416
11417                 if (val == 0x82 || val == 0x91) {
11418                         i = (i + 3 +
11419                              (vpd_data[i + 1] +
11420                               (vpd_data[i + 2] << 8)));
11421                         continue;
11422                 }
11423
11424                 if (val != 0x90)
11425                         goto out_not_found;
11426
11427                 block_end = (i + 3 +
11428                              (vpd_data[i + 1] +
11429                               (vpd_data[i + 2] << 8)));
11430                 i += 3;
11431
11432                 if (block_end > 256)
11433                         goto out_not_found;
11434
11435                 while (i < (block_end - 2)) {
11436                         if (vpd_data[i + 0] == 'P' &&
11437                             vpd_data[i + 1] == 'N') {
11438                                 int partno_len = vpd_data[i + 2];
11439
11440                                 i += 3;
11441                                 if (partno_len > 24 || (partno_len + i) > 256)
11442                                         goto out_not_found;
11443
11444                                 memcpy(tp->board_part_number,
11445                                        &vpd_data[i], partno_len);
11446
11447                                 /* Success. */
11448                                 return;
11449                         }
11450                         i += 3 + vpd_data[i + 2];
11451                 }
11452
11453                 /* Part number not found. */
11454                 goto out_not_found;
11455         }
11456
11457 out_not_found:
11458         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11459                 strcpy(tp->board_part_number, "BCM95906");
11460         else
11461                 strcpy(tp->board_part_number, "none");
11462 }
11463
11464 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
11465 {
11466         u32 val;
11467
11468         if (tg3_nvram_read(tp, offset, &val) ||
11469             (val & 0xfc000000) != 0x0c000000 ||
11470             tg3_nvram_read(tp, offset + 4, &val) ||
11471             val != 0)
11472                 return 0;
11473
11474         return 1;
11475 }
11476
11477 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
11478 {
11479         u32 val, offset, start, ver_offset;
11480         int i;
11481         bool newver = false;
11482
11483         if (tg3_nvram_read(tp, 0xc, &offset) ||
11484             tg3_nvram_read(tp, 0x4, &start))
11485                 return;
11486
11487         offset = tg3_nvram_logical_addr(tp, offset);
11488
11489         if (tg3_nvram_read(tp, offset, &val))
11490                 return;
11491
11492         if ((val & 0xfc000000) == 0x0c000000) {
11493                 if (tg3_nvram_read(tp, offset + 4, &val))
11494                         return;
11495
11496                 if (val == 0)
11497                         newver = true;
11498         }
11499
11500         if (newver) {
11501                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
11502                         return;
11503
11504                 offset = offset + ver_offset - start;
11505                 for (i = 0; i < 16; i += 4) {
11506                         __be32 v;
11507                         if (tg3_nvram_read_be32(tp, offset + i, &v))
11508                                 return;
11509
11510                         memcpy(tp->fw_ver + i, &v, sizeof(v));
11511                 }
11512         } else {
11513                 u32 major, minor;
11514
11515                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
11516                         return;
11517
11518                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
11519                         TG3_NVM_BCVER_MAJSFT;
11520                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
11521                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
11522         }
11523 }
11524
11525 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
11526 {
11527         u32 val, major, minor;
11528
11529         /* Use native endian representation */
11530         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
11531                 return;
11532
11533         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
11534                 TG3_NVM_HWSB_CFG1_MAJSFT;
11535         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
11536                 TG3_NVM_HWSB_CFG1_MINSFT;
11537
11538         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
11539 }
11540
11541 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
11542 {
11543         u32 offset, major, minor, build;
11544
11545         tp->fw_ver[0] = 's';
11546         tp->fw_ver[1] = 'b';
11547         tp->fw_ver[2] = '\0';
11548
11549         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
11550                 return;
11551
11552         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
11553         case TG3_EEPROM_SB_REVISION_0:
11554                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
11555                 break;
11556         case TG3_EEPROM_SB_REVISION_2:
11557                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
11558                 break;
11559         case TG3_EEPROM_SB_REVISION_3:
11560                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
11561                 break;
11562         default:
11563                 return;
11564         }
11565
11566         if (tg3_nvram_read(tp, offset, &val))
11567                 return;
11568
11569         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
11570                 TG3_EEPROM_SB_EDH_BLD_SHFT;
11571         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
11572                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
11573         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
11574
11575         if (minor > 99 || build > 26)
11576                 return;
11577
11578         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
11579
11580         if (build > 0) {
11581                 tp->fw_ver[8] = 'a' + build - 1;
11582                 tp->fw_ver[9] = '\0';
11583         }
11584 }
11585
11586 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
11587 {
11588         u32 val, offset, start;
11589         int i, vlen;
11590
11591         for (offset = TG3_NVM_DIR_START;
11592              offset < TG3_NVM_DIR_END;
11593              offset += TG3_NVM_DIRENT_SIZE) {
11594                 if (tg3_nvram_read(tp, offset, &val))
11595                         return;
11596
11597                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
11598                         break;
11599         }
11600
11601         if (offset == TG3_NVM_DIR_END)
11602                 return;
11603
11604         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11605                 start = 0x08000000;
11606         else if (tg3_nvram_read(tp, offset - 4, &start))
11607                 return;
11608
11609         if (tg3_nvram_read(tp, offset + 4, &offset) ||
11610             !tg3_fw_img_is_valid(tp, offset) ||
11611             tg3_nvram_read(tp, offset + 8, &val))
11612                 return;
11613
11614         offset += val - start;
11615
11616         vlen = strlen(tp->fw_ver);
11617
11618         tp->fw_ver[vlen++] = ',';
11619         tp->fw_ver[vlen++] = ' ';
11620
11621         for (i = 0; i < 4; i++) {
11622                 __be32 v;
11623                 if (tg3_nvram_read_be32(tp, offset, &v))
11624                         return;
11625
11626                 offset += sizeof(v);
11627
11628                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
11629                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
11630                         break;
11631                 }
11632
11633                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
11634                 vlen += sizeof(v);
11635         }
11636 }
11637
11638 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
11639 {
11640         int vlen;
11641         u32 apedata;
11642
11643         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
11644             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
11645                 return;
11646
11647         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
11648         if (apedata != APE_SEG_SIG_MAGIC)
11649                 return;
11650
11651         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
11652         if (!(apedata & APE_FW_STATUS_READY))
11653                 return;
11654
11655         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
11656
11657         vlen = strlen(tp->fw_ver);
11658
11659         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
11660                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
11661                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
11662                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
11663                  (apedata & APE_FW_VERSION_BLDMSK));
11664 }
11665
11666 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
11667 {
11668         u32 val;
11669
11670         if (tg3_nvram_read(tp, 0, &val))
11671                 return;
11672
11673         if (val == TG3_EEPROM_MAGIC)
11674                 tg3_read_bc_ver(tp);
11675         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
11676                 tg3_read_sb_ver(tp, val);
11677         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
11678                 tg3_read_hwsb_ver(tp);
11679         else
11680                 return;
11681
11682         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11683              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
11684                 return;
11685
11686         tg3_read_mgmtfw_ver(tp);
11687
11688         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
11689 }
11690
11691 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
11692
11693 static int __devinit tg3_get_invariants(struct tg3 *tp)
11694 {
11695         static struct pci_device_id write_reorder_chipsets[] = {
11696                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11697                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
11698                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11699                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
11700                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
11701                              PCI_DEVICE_ID_VIA_8385_0) },
11702                 { },
11703         };
11704         u32 misc_ctrl_reg;
11705         u32 pci_state_reg, grc_misc_cfg;
11706         u32 val;
11707         u16 pci_cmd;
11708         int err;
11709
11710         /* Force memory write invalidate off.  If we leave it on,
11711          * then on 5700_BX chips we have to enable a workaround.
11712          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
11713          * to match the cacheline size.  The Broadcom driver have this
11714          * workaround but turns MWI off all the times so never uses
11715          * it.  This seems to suggest that the workaround is insufficient.
11716          */
11717         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11718         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
11719         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11720
11721         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
11722          * has the register indirect write enable bit set before
11723          * we try to access any of the MMIO registers.  It is also
11724          * critical that the PCI-X hw workaround situation is decided
11725          * before that as well.
11726          */
11727         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11728                               &misc_ctrl_reg);
11729
11730         tp->pci_chip_rev_id = (misc_ctrl_reg >>
11731                                MISC_HOST_CTRL_CHIPREV_SHIFT);
11732         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
11733                 u32 prod_id_asic_rev;
11734
11735                 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
11736                                       &prod_id_asic_rev);
11737                 tp->pci_chip_rev_id = prod_id_asic_rev;
11738         }
11739
11740         /* Wrong chip ID in 5752 A0. This code can be removed later
11741          * as A0 is not in production.
11742          */
11743         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
11744                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
11745
11746         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
11747          * we need to disable memory and use config. cycles
11748          * only to access all registers. The 5702/03 chips
11749          * can mistakenly decode the special cycles from the
11750          * ICH chipsets as memory write cycles, causing corruption
11751          * of register and memory space. Only certain ICH bridges
11752          * will drive special cycles with non-zero data during the
11753          * address phase which can fall within the 5703's address
11754          * range. This is not an ICH bug as the PCI spec allows
11755          * non-zero address during special cycles. However, only
11756          * these ICH bridges are known to drive non-zero addresses
11757          * during special cycles.
11758          *
11759          * Since special cycles do not cross PCI bridges, we only
11760          * enable this workaround if the 5703 is on the secondary
11761          * bus of these ICH bridges.
11762          */
11763         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
11764             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
11765                 static struct tg3_dev_id {
11766                         u32     vendor;
11767                         u32     device;
11768                         u32     rev;
11769                 } ich_chipsets[] = {
11770                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
11771                           PCI_ANY_ID },
11772                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
11773                           PCI_ANY_ID },
11774                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
11775                           0xa },
11776                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
11777                           PCI_ANY_ID },
11778                         { },
11779                 };
11780                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
11781                 struct pci_dev *bridge = NULL;
11782
11783                 while (pci_id->vendor != 0) {
11784                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
11785                                                 bridge);
11786                         if (!bridge) {
11787                                 pci_id++;
11788                                 continue;
11789                         }
11790                         if (pci_id->rev != PCI_ANY_ID) {
11791                                 if (bridge->revision > pci_id->rev)
11792                                         continue;
11793                         }
11794                         if (bridge->subordinate &&
11795                             (bridge->subordinate->number ==
11796                              tp->pdev->bus->number)) {
11797
11798                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
11799                                 pci_dev_put(bridge);
11800                                 break;
11801                         }
11802                 }
11803         }
11804
11805         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
11806                 static struct tg3_dev_id {
11807                         u32     vendor;
11808                         u32     device;
11809                 } bridge_chipsets[] = {
11810                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
11811                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
11812                         { },
11813                 };
11814                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
11815                 struct pci_dev *bridge = NULL;
11816
11817                 while (pci_id->vendor != 0) {
11818                         bridge = pci_get_device(pci_id->vendor,
11819                                                 pci_id->device,
11820                                                 bridge);
11821                         if (!bridge) {
11822                                 pci_id++;
11823                                 continue;
11824                         }
11825                         if (bridge->subordinate &&
11826                             (bridge->subordinate->number <=
11827                              tp->pdev->bus->number) &&
11828                             (bridge->subordinate->subordinate >=
11829                              tp->pdev->bus->number)) {
11830                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
11831                                 pci_dev_put(bridge);
11832                                 break;
11833                         }
11834                 }
11835         }
11836
11837         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
11838          * DMA addresses > 40-bit. This bridge may have other additional
11839          * 57xx devices behind it in some 4-port NIC designs for example.
11840          * Any tg3 device found behind the bridge will also need the 40-bit
11841          * DMA workaround.
11842          */
11843         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
11844             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11845                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
11846                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11847                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
11848         }
11849         else {
11850                 struct pci_dev *bridge = NULL;
11851
11852                 do {
11853                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
11854                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
11855                                                 bridge);
11856                         if (bridge && bridge->subordinate &&
11857                             (bridge->subordinate->number <=
11858                              tp->pdev->bus->number) &&
11859                             (bridge->subordinate->subordinate >=
11860                              tp->pdev->bus->number)) {
11861                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11862                                 pci_dev_put(bridge);
11863                                 break;
11864                         }
11865                 } while (bridge);
11866         }
11867
11868         /* Initialize misc host control in PCI block. */
11869         tp->misc_host_ctrl |= (misc_ctrl_reg &
11870                                MISC_HOST_CTRL_CHIPREV);
11871         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11872                                tp->misc_host_ctrl);
11873
11874         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11875             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11876                 tp->pdev_peer = tg3_find_peer(tp);
11877
11878         /* Intentionally exclude ASIC_REV_5906 */
11879         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11880             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11881             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11882             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11883             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
11884             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11885                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
11886
11887         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11888             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11889             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11890             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11891             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11892                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
11893
11894         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
11895             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11896                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
11897
11898         /* 5700 B0 chips do not support checksumming correctly due
11899          * to hardware bugs.
11900          */
11901         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
11902                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
11903         else {
11904                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11905                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
11906                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
11907                         tp->dev->features |= NETIF_F_IPV6_CSUM;
11908         }
11909
11910         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
11911                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
11912                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
11913                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
11914                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
11915                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
11916                      tp->pdev_peer == tp->pdev))
11917                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
11918
11919                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11920                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11921                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
11922                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
11923                 } else {
11924                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
11925                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11926                                 ASIC_REV_5750 &&
11927                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
11928                                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
11929                 }
11930         }
11931
11932         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11933              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11934                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
11935
11936         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11937                               &pci_state_reg);
11938
11939         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
11940         if (tp->pcie_cap != 0) {
11941                 u16 lnkctl;
11942
11943                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11944
11945                 pcie_set_readrq(tp->pdev, 4096);
11946
11947                 pci_read_config_word(tp->pdev,
11948                                      tp->pcie_cap + PCI_EXP_LNKCTL,
11949                                      &lnkctl);
11950                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
11951                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11952                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
11953                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11954                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11955                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11956                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
11957                 }
11958         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
11959                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11960         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11961                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11962                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
11963                 if (!tp->pcix_cap) {
11964                         printk(KERN_ERR PFX "Cannot find PCI-X "
11965                                             "capability, aborting.\n");
11966                         return -EIO;
11967                 }
11968
11969                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
11970                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
11971         }
11972
11973         /* If we have an AMD 762 or VIA K8T800 chipset, write
11974          * reordering to the mailbox registers done by the host
11975          * controller can cause major troubles.  We read back from
11976          * every mailbox register write to force the writes to be
11977          * posted to the chip in order.
11978          */
11979         if (pci_dev_present(write_reorder_chipsets) &&
11980             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11981                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
11982
11983         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
11984                              &tp->pci_cacheline_sz);
11985         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
11986                              &tp->pci_lat_timer);
11987         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11988             tp->pci_lat_timer < 64) {
11989                 tp->pci_lat_timer = 64;
11990                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
11991                                       tp->pci_lat_timer);
11992         }
11993
11994         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
11995                 /* 5700 BX chips need to have their TX producer index
11996                  * mailboxes written twice to workaround a bug.
11997                  */
11998                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
11999
12000                 /* If we are in PCI-X mode, enable register write workaround.
12001                  *
12002                  * The workaround is to use indirect register accesses
12003                  * for all chip writes not to mailbox registers.
12004                  */
12005                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12006                         u32 pm_reg;
12007
12008                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12009
12010                         /* The chip can have it's power management PCI config
12011                          * space registers clobbered due to this bug.
12012                          * So explicitly force the chip into D0 here.
12013                          */
12014                         pci_read_config_dword(tp->pdev,
12015                                               tp->pm_cap + PCI_PM_CTRL,
12016                                               &pm_reg);
12017                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12018                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
12019                         pci_write_config_dword(tp->pdev,
12020                                                tp->pm_cap + PCI_PM_CTRL,
12021                                                pm_reg);
12022
12023                         /* Also, force SERR#/PERR# in PCI command. */
12024                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12025                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12026                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12027                 }
12028         }
12029
12030         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12031                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12032         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12033                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12034
12035         /* Chip-specific fixup from Broadcom driver */
12036         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12037             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12038                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12039                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12040         }
12041
12042         /* Default fast path register access methods */
12043         tp->read32 = tg3_read32;
12044         tp->write32 = tg3_write32;
12045         tp->read32_mbox = tg3_read32;
12046         tp->write32_mbox = tg3_write32;
12047         tp->write32_tx_mbox = tg3_write32;
12048         tp->write32_rx_mbox = tg3_write32;
12049
12050         /* Various workaround register access methods */
12051         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12052                 tp->write32 = tg3_write_indirect_reg32;
12053         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12054                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12055                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12056                 /*
12057                  * Back to back register writes can cause problems on these
12058                  * chips, the workaround is to read back all reg writes
12059                  * except those to mailbox regs.
12060                  *
12061                  * See tg3_write_indirect_reg32().
12062                  */
12063                 tp->write32 = tg3_write_flush_reg32;
12064         }
12065
12066
12067         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12068             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12069                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12070                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12071                         tp->write32_rx_mbox = tg3_write_flush_reg32;
12072         }
12073
12074         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12075                 tp->read32 = tg3_read_indirect_reg32;
12076                 tp->write32 = tg3_write_indirect_reg32;
12077                 tp->read32_mbox = tg3_read_indirect_mbox;
12078                 tp->write32_mbox = tg3_write_indirect_mbox;
12079                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12080                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12081
12082                 iounmap(tp->regs);
12083                 tp->regs = NULL;
12084
12085                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12086                 pci_cmd &= ~PCI_COMMAND_MEMORY;
12087                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12088         }
12089         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12090                 tp->read32_mbox = tg3_read32_mbox_5906;
12091                 tp->write32_mbox = tg3_write32_mbox_5906;
12092                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12093                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12094         }
12095
12096         if (tp->write32 == tg3_write_indirect_reg32 ||
12097             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12098              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12099               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
12100                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12101
12102         /* Get eeprom hw config before calling tg3_set_power_state().
12103          * In particular, the TG3_FLG2_IS_NIC flag must be
12104          * determined before calling tg3_set_power_state() so that
12105          * we know whether or not to switch out of Vaux power.
12106          * When the flag is set, it means that GPIO1 is used for eeprom
12107          * write protect and also implies that it is a LOM where GPIOs
12108          * are not used to switch power.
12109          */
12110         tg3_get_eeprom_hw_cfg(tp);
12111
12112         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12113                 /* Allow reads and writes to the
12114                  * APE register and memory space.
12115                  */
12116                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12117                                  PCISTATE_ALLOW_APE_SHMEM_WR;
12118                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12119                                        pci_state_reg);
12120         }
12121
12122         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12123             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12124             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12125             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12126                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12127
12128         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12129          * GPIO1 driven high will bring 5700's external PHY out of reset.
12130          * It is also used as eeprom write protect on LOMs.
12131          */
12132         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12133         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12134             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12135                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12136                                        GRC_LCLCTRL_GPIO_OUTPUT1);
12137         /* Unused GPIO3 must be driven as output on 5752 because there
12138          * are no pull-up resistors on unused GPIO pins.
12139          */
12140         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12141                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
12142
12143         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12144             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12145                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12146
12147         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
12148                 /* Turn off the debug UART. */
12149                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12150                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
12151                         /* Keep VMain power. */
12152                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
12153                                               GRC_LCLCTRL_GPIO_OUTPUT0;
12154         }
12155
12156         /* Force the chip into D0. */
12157         err = tg3_set_power_state(tp, PCI_D0);
12158         if (err) {
12159                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
12160                        pci_name(tp->pdev));
12161                 return err;
12162         }
12163
12164         /* Derive initial jumbo mode from MTU assigned in
12165          * ether_setup() via the alloc_etherdev() call
12166          */
12167         if (tp->dev->mtu > ETH_DATA_LEN &&
12168             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12169                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
12170
12171         /* Determine WakeOnLan speed to use. */
12172         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12173             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12174             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
12175             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
12176                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
12177         } else {
12178                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
12179         }
12180
12181         /* A few boards don't want Ethernet@WireSpeed phy feature */
12182         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12183             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
12184              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
12185              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
12186             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
12187             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
12188                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
12189
12190         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
12191             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
12192                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
12193         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
12194                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
12195
12196         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
12197             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906 &&
12198             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12199             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780) {
12200                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12201                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12202                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12203                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
12204                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
12205                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
12206                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
12207                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
12208                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
12209                 } else
12210                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
12211         }
12212
12213         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12214             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
12215                 tp->phy_otp = tg3_read_otp_phycfg(tp);
12216                 if (tp->phy_otp == 0)
12217                         tp->phy_otp = TG3_OTP_DEFAULT;
12218         }
12219
12220         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
12221                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
12222         else
12223                 tp->mi_mode = MAC_MI_MODE_BASE;
12224
12225         tp->coalesce_mode = 0;
12226         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
12227             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
12228                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
12229
12230         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12231             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12232                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
12233
12234         err = tg3_mdio_init(tp);
12235         if (err)
12236                 return err;
12237
12238         /* Initialize data/descriptor byte/word swapping. */
12239         val = tr32(GRC_MODE);
12240         val &= GRC_MODE_HOST_STACKUP;
12241         tw32(GRC_MODE, val | tp->grc_mode);
12242
12243         tg3_switch_clocks(tp);
12244
12245         /* Clear this out for sanity. */
12246         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
12247
12248         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12249                               &pci_state_reg);
12250         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
12251             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
12252                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
12253
12254                 if (chiprevid == CHIPREV_ID_5701_A0 ||
12255                     chiprevid == CHIPREV_ID_5701_B0 ||
12256                     chiprevid == CHIPREV_ID_5701_B2 ||
12257                     chiprevid == CHIPREV_ID_5701_B5) {
12258                         void __iomem *sram_base;
12259
12260                         /* Write some dummy words into the SRAM status block
12261                          * area, see if it reads back correctly.  If the return
12262                          * value is bad, force enable the PCIX workaround.
12263                          */
12264                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
12265
12266                         writel(0x00000000, sram_base);
12267                         writel(0x00000000, sram_base + 4);
12268                         writel(0xffffffff, sram_base + 4);
12269                         if (readl(sram_base) != 0x00000000)
12270                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12271                 }
12272         }
12273
12274         udelay(50);
12275         tg3_nvram_init(tp);
12276
12277         grc_misc_cfg = tr32(GRC_MISC_CFG);
12278         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
12279
12280         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12281             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
12282              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
12283                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
12284
12285         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
12286             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
12287                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
12288         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
12289                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
12290                                       HOSTCC_MODE_CLRTICK_TXBD);
12291
12292                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
12293                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12294                                        tp->misc_host_ctrl);
12295         }
12296
12297         /* Preserve the APE MAC_MODE bits */
12298         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
12299                 tp->mac_mode = tr32(MAC_MODE) |
12300                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
12301         else
12302                 tp->mac_mode = TG3_DEF_MAC_MODE;
12303
12304         /* these are limited to 10/100 only */
12305         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12306              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
12307             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12308              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12309              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
12310               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
12311               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
12312             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12313              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
12314               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
12315               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
12316             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
12317             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12318                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
12319
12320         err = tg3_phy_probe(tp);
12321         if (err) {
12322                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
12323                        pci_name(tp->pdev), err);
12324                 /* ... but do not return immediately ... */
12325                 tg3_mdio_fini(tp);
12326         }
12327
12328         tg3_read_partno(tp);
12329         tg3_read_fw_ver(tp);
12330
12331         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
12332                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12333         } else {
12334                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12335                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
12336                 else
12337                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12338         }
12339
12340         /* 5700 {AX,BX} chips have a broken status block link
12341          * change bit implementation, so we must use the
12342          * status register in those cases.
12343          */
12344         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12345                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
12346         else
12347                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
12348
12349         /* The led_ctrl is set during tg3_phy_probe, here we might
12350          * have to force the link status polling mechanism based
12351          * upon subsystem IDs.
12352          */
12353         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
12354             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12355             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
12356                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
12357                                   TG3_FLAG_USE_LINKCHG_REG);
12358         }
12359
12360         /* For all SERDES we poll the MAC status register. */
12361         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
12362                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
12363         else
12364                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
12365
12366         tp->rx_offset = NET_IP_ALIGN;
12367         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12368             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
12369                 tp->rx_offset = 0;
12370
12371         tp->rx_std_max_post = TG3_RX_RING_SIZE;
12372
12373         /* Increment the rx prod index on the rx std ring by at most
12374          * 8 for these chips to workaround hw errata.
12375          */
12376         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12377             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12378             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
12379                 tp->rx_std_max_post = 8;
12380
12381         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
12382                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
12383                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
12384
12385         return err;
12386 }
12387
12388 #ifdef CONFIG_SPARC
12389 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
12390 {
12391         struct net_device *dev = tp->dev;
12392         struct pci_dev *pdev = tp->pdev;
12393         struct device_node *dp = pci_device_to_OF_node(pdev);
12394         const unsigned char *addr;
12395         int len;
12396
12397         addr = of_get_property(dp, "local-mac-address", &len);
12398         if (addr && len == 6) {
12399                 memcpy(dev->dev_addr, addr, 6);
12400                 memcpy(dev->perm_addr, dev->dev_addr, 6);
12401                 return 0;
12402         }
12403         return -ENODEV;
12404 }
12405
12406 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
12407 {
12408         struct net_device *dev = tp->dev;
12409
12410         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
12411         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
12412         return 0;
12413 }
12414 #endif
12415
12416 static int __devinit tg3_get_device_address(struct tg3 *tp)
12417 {
12418         struct net_device *dev = tp->dev;
12419         u32 hi, lo, mac_offset;
12420         int addr_ok = 0;
12421
12422 #ifdef CONFIG_SPARC
12423         if (!tg3_get_macaddr_sparc(tp))
12424                 return 0;
12425 #endif
12426
12427         mac_offset = 0x7c;
12428         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
12429             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12430                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
12431                         mac_offset = 0xcc;
12432                 if (tg3_nvram_lock(tp))
12433                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
12434                 else
12435                         tg3_nvram_unlock(tp);
12436         }
12437         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12438                 mac_offset = 0x10;
12439
12440         /* First try to get it from MAC address mailbox. */
12441         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
12442         if ((hi >> 16) == 0x484b) {
12443                 dev->dev_addr[0] = (hi >>  8) & 0xff;
12444                 dev->dev_addr[1] = (hi >>  0) & 0xff;
12445
12446                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
12447                 dev->dev_addr[2] = (lo >> 24) & 0xff;
12448                 dev->dev_addr[3] = (lo >> 16) & 0xff;
12449                 dev->dev_addr[4] = (lo >>  8) & 0xff;
12450                 dev->dev_addr[5] = (lo >>  0) & 0xff;
12451
12452                 /* Some old bootcode may report a 0 MAC address in SRAM */
12453                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
12454         }
12455         if (!addr_ok) {
12456                 /* Next, try NVRAM. */
12457                 if (!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
12458                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
12459                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
12460                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
12461                 }
12462                 /* Finally just fetch it out of the MAC control regs. */
12463                 else {
12464                         hi = tr32(MAC_ADDR_0_HIGH);
12465                         lo = tr32(MAC_ADDR_0_LOW);
12466
12467                         dev->dev_addr[5] = lo & 0xff;
12468                         dev->dev_addr[4] = (lo >> 8) & 0xff;
12469                         dev->dev_addr[3] = (lo >> 16) & 0xff;
12470                         dev->dev_addr[2] = (lo >> 24) & 0xff;
12471                         dev->dev_addr[1] = hi & 0xff;
12472                         dev->dev_addr[0] = (hi >> 8) & 0xff;
12473                 }
12474         }
12475
12476         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
12477 #ifdef CONFIG_SPARC
12478                 if (!tg3_get_default_macaddr_sparc(tp))
12479                         return 0;
12480 #endif
12481                 return -EINVAL;
12482         }
12483         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
12484         return 0;
12485 }
12486
12487 #define BOUNDARY_SINGLE_CACHELINE       1
12488 #define BOUNDARY_MULTI_CACHELINE        2
12489
12490 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
12491 {
12492         int cacheline_size;
12493         u8 byte;
12494         int goal;
12495
12496         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
12497         if (byte == 0)
12498                 cacheline_size = 1024;
12499         else
12500                 cacheline_size = (int) byte * 4;
12501
12502         /* On 5703 and later chips, the boundary bits have no
12503          * effect.
12504          */
12505         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12506             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12507             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12508                 goto out;
12509
12510 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
12511         goal = BOUNDARY_MULTI_CACHELINE;
12512 #else
12513 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
12514         goal = BOUNDARY_SINGLE_CACHELINE;
12515 #else
12516         goal = 0;
12517 #endif
12518 #endif
12519
12520         if (!goal)
12521                 goto out;
12522
12523         /* PCI controllers on most RISC systems tend to disconnect
12524          * when a device tries to burst across a cache-line boundary.
12525          * Therefore, letting tg3 do so just wastes PCI bandwidth.
12526          *
12527          * Unfortunately, for PCI-E there are only limited
12528          * write-side controls for this, and thus for reads
12529          * we will still get the disconnects.  We'll also waste
12530          * these PCI cycles for both read and write for chips
12531          * other than 5700 and 5701 which do not implement the
12532          * boundary bits.
12533          */
12534         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12535             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
12536                 switch (cacheline_size) {
12537                 case 16:
12538                 case 32:
12539                 case 64:
12540                 case 128:
12541                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12542                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
12543                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
12544                         } else {
12545                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12546                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12547                         }
12548                         break;
12549
12550                 case 256:
12551                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
12552                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
12553                         break;
12554
12555                 default:
12556                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12557                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12558                         break;
12559                 }
12560         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12561                 switch (cacheline_size) {
12562                 case 16:
12563                 case 32:
12564                 case 64:
12565                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12566                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12567                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
12568                                 break;
12569                         }
12570                         /* fallthrough */
12571                 case 128:
12572                 default:
12573                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12574                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
12575                         break;
12576                 }
12577         } else {
12578                 switch (cacheline_size) {
12579                 case 16:
12580                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12581                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
12582                                         DMA_RWCTRL_WRITE_BNDRY_16);
12583                                 break;
12584                         }
12585                         /* fallthrough */
12586                 case 32:
12587                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12588                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
12589                                         DMA_RWCTRL_WRITE_BNDRY_32);
12590                                 break;
12591                         }
12592                         /* fallthrough */
12593                 case 64:
12594                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12595                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
12596                                         DMA_RWCTRL_WRITE_BNDRY_64);
12597                                 break;
12598                         }
12599                         /* fallthrough */
12600                 case 128:
12601                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12602                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
12603                                         DMA_RWCTRL_WRITE_BNDRY_128);
12604                                 break;
12605                         }
12606                         /* fallthrough */
12607                 case 256:
12608                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
12609                                 DMA_RWCTRL_WRITE_BNDRY_256);
12610                         break;
12611                 case 512:
12612                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
12613                                 DMA_RWCTRL_WRITE_BNDRY_512);
12614                         break;
12615                 case 1024:
12616                 default:
12617                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
12618                                 DMA_RWCTRL_WRITE_BNDRY_1024);
12619                         break;
12620                 }
12621         }
12622
12623 out:
12624         return val;
12625 }
12626
12627 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
12628 {
12629         struct tg3_internal_buffer_desc test_desc;
12630         u32 sram_dma_descs;
12631         int i, ret;
12632
12633         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
12634
12635         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
12636         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
12637         tw32(RDMAC_STATUS, 0);
12638         tw32(WDMAC_STATUS, 0);
12639
12640         tw32(BUFMGR_MODE, 0);
12641         tw32(FTQ_RESET, 0);
12642
12643         test_desc.addr_hi = ((u64) buf_dma) >> 32;
12644         test_desc.addr_lo = buf_dma & 0xffffffff;
12645         test_desc.nic_mbuf = 0x00002100;
12646         test_desc.len = size;
12647
12648         /*
12649          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
12650          * the *second* time the tg3 driver was getting loaded after an
12651          * initial scan.
12652          *
12653          * Broadcom tells me:
12654          *   ...the DMA engine is connected to the GRC block and a DMA
12655          *   reset may affect the GRC block in some unpredictable way...
12656          *   The behavior of resets to individual blocks has not been tested.
12657          *
12658          * Broadcom noted the GRC reset will also reset all sub-components.
12659          */
12660         if (to_device) {
12661                 test_desc.cqid_sqid = (13 << 8) | 2;
12662
12663                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
12664                 udelay(40);
12665         } else {
12666                 test_desc.cqid_sqid = (16 << 8) | 7;
12667
12668                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
12669                 udelay(40);
12670         }
12671         test_desc.flags = 0x00000005;
12672
12673         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
12674                 u32 val;
12675
12676                 val = *(((u32 *)&test_desc) + i);
12677                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
12678                                        sram_dma_descs + (i * sizeof(u32)));
12679                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
12680         }
12681         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
12682
12683         if (to_device) {
12684                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
12685         } else {
12686                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
12687         }
12688
12689         ret = -ENODEV;
12690         for (i = 0; i < 40; i++) {
12691                 u32 val;
12692
12693                 if (to_device)
12694                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
12695                 else
12696                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
12697                 if ((val & 0xffff) == sram_dma_descs) {
12698                         ret = 0;
12699                         break;
12700                 }
12701
12702                 udelay(100);
12703         }
12704
12705         return ret;
12706 }
12707
12708 #define TEST_BUFFER_SIZE        0x2000
12709
12710 static int __devinit tg3_test_dma(struct tg3 *tp)
12711 {
12712         dma_addr_t buf_dma;
12713         u32 *buf, saved_dma_rwctrl;
12714         int ret;
12715
12716         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
12717         if (!buf) {
12718                 ret = -ENOMEM;
12719                 goto out_nofree;
12720         }
12721
12722         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
12723                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
12724
12725         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
12726
12727         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12728                 /* DMA read watermark not used on PCIE */
12729                 tp->dma_rwctrl |= 0x00180000;
12730         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
12731                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
12732                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
12733                         tp->dma_rwctrl |= 0x003f0000;
12734                 else
12735                         tp->dma_rwctrl |= 0x003f000f;
12736         } else {
12737                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12738                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
12739                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
12740                         u32 read_water = 0x7;
12741
12742                         /* If the 5704 is behind the EPB bridge, we can
12743                          * do the less restrictive ONE_DMA workaround for
12744                          * better performance.
12745                          */
12746                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
12747                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12748                                 tp->dma_rwctrl |= 0x8000;
12749                         else if (ccval == 0x6 || ccval == 0x7)
12750                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
12751
12752                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
12753                                 read_water = 4;
12754                         /* Set bit 23 to enable PCIX hw bug fix */
12755                         tp->dma_rwctrl |=
12756                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
12757                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
12758                                 (1 << 23);
12759                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
12760                         /* 5780 always in PCIX mode */
12761                         tp->dma_rwctrl |= 0x00144000;
12762                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12763                         /* 5714 always in PCIX mode */
12764                         tp->dma_rwctrl |= 0x00148000;
12765                 } else {
12766                         tp->dma_rwctrl |= 0x001b000f;
12767                 }
12768         }
12769
12770         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12771             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12772                 tp->dma_rwctrl &= 0xfffffff0;
12773
12774         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12775             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
12776                 /* Remove this if it causes problems for some boards. */
12777                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
12778
12779                 /* On 5700/5701 chips, we need to set this bit.
12780                  * Otherwise the chip will issue cacheline transactions
12781                  * to streamable DMA memory with not all the byte
12782                  * enables turned on.  This is an error on several
12783                  * RISC PCI controllers, in particular sparc64.
12784                  *
12785                  * On 5703/5704 chips, this bit has been reassigned
12786                  * a different meaning.  In particular, it is used
12787                  * on those chips to enable a PCI-X workaround.
12788                  */
12789                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
12790         }
12791
12792         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12793
12794 #if 0
12795         /* Unneeded, already done by tg3_get_invariants.  */
12796         tg3_switch_clocks(tp);
12797 #endif
12798
12799         ret = 0;
12800         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12801             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
12802                 goto out;
12803
12804         /* It is best to perform DMA test with maximum write burst size
12805          * to expose the 5700/5701 write DMA bug.
12806          */
12807         saved_dma_rwctrl = tp->dma_rwctrl;
12808         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12809         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12810
12811         while (1) {
12812                 u32 *p = buf, i;
12813
12814                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
12815                         p[i] = i;
12816
12817                 /* Send the buffer to the chip. */
12818                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
12819                 if (ret) {
12820                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
12821                         break;
12822                 }
12823
12824 #if 0
12825                 /* validate data reached card RAM correctly. */
12826                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12827                         u32 val;
12828                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
12829                         if (le32_to_cpu(val) != p[i]) {
12830                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
12831                                 /* ret = -ENODEV here? */
12832                         }
12833                         p[i] = 0;
12834                 }
12835 #endif
12836                 /* Now read it back. */
12837                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
12838                 if (ret) {
12839                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
12840
12841                         break;
12842                 }
12843
12844                 /* Verify it. */
12845                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12846                         if (p[i] == i)
12847                                 continue;
12848
12849                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12850                             DMA_RWCTRL_WRITE_BNDRY_16) {
12851                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12852                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12853                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12854                                 break;
12855                         } else {
12856                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
12857                                 ret = -ENODEV;
12858                                 goto out;
12859                         }
12860                 }
12861
12862                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
12863                         /* Success. */
12864                         ret = 0;
12865                         break;
12866                 }
12867         }
12868         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12869             DMA_RWCTRL_WRITE_BNDRY_16) {
12870                 static struct pci_device_id dma_wait_state_chipsets[] = {
12871                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
12872                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
12873                         { },
12874                 };
12875
12876                 /* DMA test passed without adjusting DMA boundary,
12877                  * now look for chipsets that are known to expose the
12878                  * DMA bug without failing the test.
12879                  */
12880                 if (pci_dev_present(dma_wait_state_chipsets)) {
12881                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12882                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12883                 }
12884                 else
12885                         /* Safe to use the calculated DMA boundary. */
12886                         tp->dma_rwctrl = saved_dma_rwctrl;
12887
12888                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12889         }
12890
12891 out:
12892         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
12893 out_nofree:
12894         return ret;
12895 }
12896
12897 static void __devinit tg3_init_link_config(struct tg3 *tp)
12898 {
12899         tp->link_config.advertising =
12900                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12901                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12902                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
12903                  ADVERTISED_Autoneg | ADVERTISED_MII);
12904         tp->link_config.speed = SPEED_INVALID;
12905         tp->link_config.duplex = DUPLEX_INVALID;
12906         tp->link_config.autoneg = AUTONEG_ENABLE;
12907         tp->link_config.active_speed = SPEED_INVALID;
12908         tp->link_config.active_duplex = DUPLEX_INVALID;
12909         tp->link_config.phy_is_low_power = 0;
12910         tp->link_config.orig_speed = SPEED_INVALID;
12911         tp->link_config.orig_duplex = DUPLEX_INVALID;
12912         tp->link_config.orig_autoneg = AUTONEG_INVALID;
12913 }
12914
12915 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
12916 {
12917         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12918                 tp->bufmgr_config.mbuf_read_dma_low_water =
12919                         DEFAULT_MB_RDMA_LOW_WATER_5705;
12920                 tp->bufmgr_config.mbuf_mac_rx_low_water =
12921                         DEFAULT_MB_MACRX_LOW_WATER_5705;
12922                 tp->bufmgr_config.mbuf_high_water =
12923                         DEFAULT_MB_HIGH_WATER_5705;
12924                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12925                         tp->bufmgr_config.mbuf_mac_rx_low_water =
12926                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
12927                         tp->bufmgr_config.mbuf_high_water =
12928                                 DEFAULT_MB_HIGH_WATER_5906;
12929                 }
12930
12931                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12932                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
12933                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12934                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
12935                 tp->bufmgr_config.mbuf_high_water_jumbo =
12936                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
12937         } else {
12938                 tp->bufmgr_config.mbuf_read_dma_low_water =
12939                         DEFAULT_MB_RDMA_LOW_WATER;
12940                 tp->bufmgr_config.mbuf_mac_rx_low_water =
12941                         DEFAULT_MB_MACRX_LOW_WATER;
12942                 tp->bufmgr_config.mbuf_high_water =
12943                         DEFAULT_MB_HIGH_WATER;
12944
12945                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12946                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
12947                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12948                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
12949                 tp->bufmgr_config.mbuf_high_water_jumbo =
12950                         DEFAULT_MB_HIGH_WATER_JUMBO;
12951         }
12952
12953         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
12954         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
12955 }
12956
12957 static char * __devinit tg3_phy_string(struct tg3 *tp)
12958 {
12959         switch (tp->phy_id & PHY_ID_MASK) {
12960         case PHY_ID_BCM5400:    return "5400";
12961         case PHY_ID_BCM5401:    return "5401";
12962         case PHY_ID_BCM5411:    return "5411";
12963         case PHY_ID_BCM5701:    return "5701";
12964         case PHY_ID_BCM5703:    return "5703";
12965         case PHY_ID_BCM5704:    return "5704";
12966         case PHY_ID_BCM5705:    return "5705";
12967         case PHY_ID_BCM5750:    return "5750";
12968         case PHY_ID_BCM5752:    return "5752";
12969         case PHY_ID_BCM5714:    return "5714";
12970         case PHY_ID_BCM5780:    return "5780";
12971         case PHY_ID_BCM5755:    return "5755";
12972         case PHY_ID_BCM5787:    return "5787";
12973         case PHY_ID_BCM5784:    return "5784";
12974         case PHY_ID_BCM5756:    return "5722/5756";
12975         case PHY_ID_BCM5906:    return "5906";
12976         case PHY_ID_BCM5761:    return "5761";
12977         case PHY_ID_BCM8002:    return "8002/serdes";
12978         case 0:                 return "serdes";
12979         default:                return "unknown";
12980         }
12981 }
12982
12983 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
12984 {
12985         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12986                 strcpy(str, "PCI Express");
12987                 return str;
12988         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12989                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
12990
12991                 strcpy(str, "PCIX:");
12992
12993                 if ((clock_ctrl == 7) ||
12994                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
12995                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
12996                         strcat(str, "133MHz");
12997                 else if (clock_ctrl == 0)
12998                         strcat(str, "33MHz");
12999                 else if (clock_ctrl == 2)
13000                         strcat(str, "50MHz");
13001                 else if (clock_ctrl == 4)
13002                         strcat(str, "66MHz");
13003                 else if (clock_ctrl == 6)
13004                         strcat(str, "100MHz");
13005         } else {
13006                 strcpy(str, "PCI:");
13007                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
13008                         strcat(str, "66MHz");
13009                 else
13010                         strcat(str, "33MHz");
13011         }
13012         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13013                 strcat(str, ":32-bit");
13014         else
13015                 strcat(str, ":64-bit");
13016         return str;
13017 }
13018
13019 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
13020 {
13021         struct pci_dev *peer;
13022         unsigned int func, devnr = tp->pdev->devfn & ~7;
13023
13024         for (func = 0; func < 8; func++) {
13025                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13026                 if (peer && peer != tp->pdev)
13027                         break;
13028                 pci_dev_put(peer);
13029         }
13030         /* 5704 can be configured in single-port mode, set peer to
13031          * tp->pdev in that case.
13032          */
13033         if (!peer) {
13034                 peer = tp->pdev;
13035                 return peer;
13036         }
13037
13038         /*
13039          * We don't need to keep the refcount elevated; there's no way
13040          * to remove one half of this device without removing the other
13041          */
13042         pci_dev_put(peer);
13043
13044         return peer;
13045 }
13046
13047 static void __devinit tg3_init_coal(struct tg3 *tp)
13048 {
13049         struct ethtool_coalesce *ec = &tp->coal;
13050
13051         memset(ec, 0, sizeof(*ec));
13052         ec->cmd = ETHTOOL_GCOALESCE;
13053         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13054         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13055         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13056         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13057         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13058         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13059         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13060         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13061         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13062
13063         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13064                                  HOSTCC_MODE_CLRTICK_TXBD)) {
13065                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13066                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13067                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13068                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13069         }
13070
13071         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13072                 ec->rx_coalesce_usecs_irq = 0;
13073                 ec->tx_coalesce_usecs_irq = 0;
13074                 ec->stats_block_coalesce_usecs = 0;
13075         }
13076 }
13077
13078 static const struct net_device_ops tg3_netdev_ops = {
13079         .ndo_open               = tg3_open,
13080         .ndo_stop               = tg3_close,
13081         .ndo_start_xmit         = tg3_start_xmit,
13082         .ndo_get_stats          = tg3_get_stats,
13083         .ndo_validate_addr      = eth_validate_addr,
13084         .ndo_set_multicast_list = tg3_set_rx_mode,
13085         .ndo_set_mac_address    = tg3_set_mac_addr,
13086         .ndo_do_ioctl           = tg3_ioctl,
13087         .ndo_tx_timeout         = tg3_tx_timeout,
13088         .ndo_change_mtu         = tg3_change_mtu,
13089 #if TG3_VLAN_TAG_USED
13090         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13091 #endif
13092 #ifdef CONFIG_NET_POLL_CONTROLLER
13093         .ndo_poll_controller    = tg3_poll_controller,
13094 #endif
13095 };
13096
13097 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13098         .ndo_open               = tg3_open,
13099         .ndo_stop               = tg3_close,
13100         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
13101         .ndo_get_stats          = tg3_get_stats,
13102         .ndo_validate_addr      = eth_validate_addr,
13103         .ndo_set_multicast_list = tg3_set_rx_mode,
13104         .ndo_set_mac_address    = tg3_set_mac_addr,
13105         .ndo_do_ioctl           = tg3_ioctl,
13106         .ndo_tx_timeout         = tg3_tx_timeout,
13107         .ndo_change_mtu         = tg3_change_mtu,
13108 #if TG3_VLAN_TAG_USED
13109         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13110 #endif
13111 #ifdef CONFIG_NET_POLL_CONTROLLER
13112         .ndo_poll_controller    = tg3_poll_controller,
13113 #endif
13114 };
13115
13116 static int __devinit tg3_init_one(struct pci_dev *pdev,
13117                                   const struct pci_device_id *ent)
13118 {
13119         static int tg3_version_printed = 0;
13120         struct net_device *dev;
13121         struct tg3 *tp;
13122         int err, pm_cap;
13123         char str[40];
13124         u64 dma_mask, persist_dma_mask;
13125
13126         if (tg3_version_printed++ == 0)
13127                 printk(KERN_INFO "%s", version);
13128
13129         err = pci_enable_device(pdev);
13130         if (err) {
13131                 printk(KERN_ERR PFX "Cannot enable PCI device, "
13132                        "aborting.\n");
13133                 return err;
13134         }
13135
13136         err = pci_request_regions(pdev, DRV_MODULE_NAME);
13137         if (err) {
13138                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
13139                        "aborting.\n");
13140                 goto err_out_disable_pdev;
13141         }
13142
13143         pci_set_master(pdev);
13144
13145         /* Find power-management capability. */
13146         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
13147         if (pm_cap == 0) {
13148                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
13149                        "aborting.\n");
13150                 err = -EIO;
13151                 goto err_out_free_res;
13152         }
13153
13154         dev = alloc_etherdev(sizeof(*tp));
13155         if (!dev) {
13156                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
13157                 err = -ENOMEM;
13158                 goto err_out_free_res;
13159         }
13160
13161         SET_NETDEV_DEV(dev, &pdev->dev);
13162
13163 #if TG3_VLAN_TAG_USED
13164         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
13165 #endif
13166
13167         tp = netdev_priv(dev);
13168         tp->pdev = pdev;
13169         tp->dev = dev;
13170         tp->pm_cap = pm_cap;
13171         tp->rx_mode = TG3_DEF_RX_MODE;
13172         tp->tx_mode = TG3_DEF_TX_MODE;
13173
13174         if (tg3_debug > 0)
13175                 tp->msg_enable = tg3_debug;
13176         else
13177                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
13178
13179         /* The word/byte swap controls here control register access byte
13180          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
13181          * setting below.
13182          */
13183         tp->misc_host_ctrl =
13184                 MISC_HOST_CTRL_MASK_PCI_INT |
13185                 MISC_HOST_CTRL_WORD_SWAP |
13186                 MISC_HOST_CTRL_INDIR_ACCESS |
13187                 MISC_HOST_CTRL_PCISTATE_RW;
13188
13189         /* The NONFRM (non-frame) byte/word swap controls take effect
13190          * on descriptor entries, anything which isn't packet data.
13191          *
13192          * The StrongARM chips on the board (one for tx, one for rx)
13193          * are running in big-endian mode.
13194          */
13195         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
13196                         GRC_MODE_WSWAP_NONFRM_DATA);
13197 #ifdef __BIG_ENDIAN
13198         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
13199 #endif
13200         spin_lock_init(&tp->lock);
13201         spin_lock_init(&tp->indirect_lock);
13202         INIT_WORK(&tp->reset_task, tg3_reset_task);
13203
13204         tp->regs = pci_ioremap_bar(pdev, BAR_0);
13205         if (!tp->regs) {
13206                 printk(KERN_ERR PFX "Cannot map device registers, "
13207                        "aborting.\n");
13208                 err = -ENOMEM;
13209                 goto err_out_free_dev;
13210         }
13211
13212         tg3_init_link_config(tp);
13213
13214         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
13215         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
13216         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
13217
13218         netif_napi_add(dev, &tp->napi, tg3_poll, 64);
13219         dev->ethtool_ops = &tg3_ethtool_ops;
13220         dev->watchdog_timeo = TG3_TX_TIMEOUT;
13221         dev->irq = pdev->irq;
13222
13223         err = tg3_get_invariants(tp);
13224         if (err) {
13225                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
13226                        "aborting.\n");
13227                 goto err_out_iounmap;
13228         }
13229
13230         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13231             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13232                 dev->netdev_ops = &tg3_netdev_ops;
13233         else
13234                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
13235
13236
13237         /* The EPB bridge inside 5714, 5715, and 5780 and any
13238          * device behind the EPB cannot support DMA addresses > 40-bit.
13239          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
13240          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
13241          * do DMA address check in tg3_start_xmit().
13242          */
13243         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
13244                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
13245         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
13246                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
13247 #ifdef CONFIG_HIGHMEM
13248                 dma_mask = DMA_BIT_MASK(64);
13249 #endif
13250         } else
13251                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
13252
13253         /* Configure DMA attributes. */
13254         if (dma_mask > DMA_BIT_MASK(32)) {
13255                 err = pci_set_dma_mask(pdev, dma_mask);
13256                 if (!err) {
13257                         dev->features |= NETIF_F_HIGHDMA;
13258                         err = pci_set_consistent_dma_mask(pdev,
13259                                                           persist_dma_mask);
13260                         if (err < 0) {
13261                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
13262                                        "DMA for consistent allocations\n");
13263                                 goto err_out_iounmap;
13264                         }
13265                 }
13266         }
13267         if (err || dma_mask == DMA_BIT_MASK(32)) {
13268                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
13269                 if (err) {
13270                         printk(KERN_ERR PFX "No usable DMA configuration, "
13271                                "aborting.\n");
13272                         goto err_out_iounmap;
13273                 }
13274         }
13275
13276         tg3_init_bufmgr_config(tp);
13277
13278         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
13279                 tp->fw_needed = FIRMWARE_TG3;
13280
13281         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13282                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
13283         }
13284         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13285             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13286             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
13287             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13288             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
13289                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
13290         } else {
13291                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
13292                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13293                         tp->fw_needed = FIRMWARE_TG3TSO5;
13294                 else
13295                         tp->fw_needed = FIRMWARE_TG3TSO;
13296         }
13297
13298         /* TSO is on by default on chips that support hardware TSO.
13299          * Firmware TSO on older chips gives lower performance, so it
13300          * is off by default, but can be enabled using ethtool.
13301          */
13302         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13303                 if (dev->features & NETIF_F_IP_CSUM)
13304                         dev->features |= NETIF_F_TSO;
13305                 if ((dev->features & NETIF_F_IPV6_CSUM) &&
13306                     (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
13307                         dev->features |= NETIF_F_TSO6;
13308                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13309                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13310                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
13311                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13312                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13313                         dev->features |= NETIF_F_TSO_ECN;
13314         }
13315
13316
13317         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
13318             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
13319             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
13320                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
13321                 tp->rx_pending = 63;
13322         }
13323
13324         err = tg3_get_device_address(tp);
13325         if (err) {
13326                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
13327                        "aborting.\n");
13328                 goto err_out_fw;
13329         }
13330
13331         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13332                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
13333                 if (!tp->aperegs) {
13334                         printk(KERN_ERR PFX "Cannot map APE registers, "
13335                                "aborting.\n");
13336                         err = -ENOMEM;
13337                         goto err_out_fw;
13338                 }
13339
13340                 tg3_ape_lock_init(tp);
13341
13342                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
13343                         tg3_read_dash_ver(tp);
13344         }
13345
13346         /*
13347          * Reset chip in case UNDI or EFI driver did not shutdown
13348          * DMA self test will enable WDMAC and we'll see (spurious)
13349          * pending DMA on the PCI bus at that point.
13350          */
13351         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
13352             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
13353                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
13354                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13355         }
13356
13357         err = tg3_test_dma(tp);
13358         if (err) {
13359                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
13360                 goto err_out_apeunmap;
13361         }
13362
13363         /* flow control autonegotiation is default behavior */
13364         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
13365         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
13366
13367         tg3_init_coal(tp);
13368
13369         pci_set_drvdata(pdev, dev);
13370
13371         err = register_netdev(dev);
13372         if (err) {
13373                 printk(KERN_ERR PFX "Cannot register net device, "
13374                        "aborting.\n");
13375                 goto err_out_apeunmap;
13376         }
13377
13378         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
13379                dev->name,
13380                tp->board_part_number,
13381                tp->pci_chip_rev_id,
13382                tg3_bus_string(tp, str),
13383                dev->dev_addr);
13384
13385         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
13386                 printk(KERN_INFO
13387                        "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
13388                        tp->dev->name,
13389                        tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
13390                        dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
13391         else
13392                 printk(KERN_INFO
13393                        "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
13394                        tp->dev->name, tg3_phy_string(tp),
13395                        ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
13396                         ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
13397                          "10/100/1000Base-T")),
13398                        (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
13399
13400         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
13401                dev->name,
13402                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
13403                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
13404                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
13405                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
13406                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
13407         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
13408                dev->name, tp->dma_rwctrl,
13409                (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
13410                 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
13411
13412         return 0;
13413
13414 err_out_apeunmap:
13415         if (tp->aperegs) {
13416                 iounmap(tp->aperegs);
13417                 tp->aperegs = NULL;
13418         }
13419
13420 err_out_fw:
13421         if (tp->fw)
13422                 release_firmware(tp->fw);
13423
13424 err_out_iounmap:
13425         if (tp->regs) {
13426                 iounmap(tp->regs);
13427                 tp->regs = NULL;
13428         }
13429
13430 err_out_free_dev:
13431         free_netdev(dev);
13432
13433 err_out_free_res:
13434         pci_release_regions(pdev);
13435
13436 err_out_disable_pdev:
13437         pci_disable_device(pdev);
13438         pci_set_drvdata(pdev, NULL);
13439         return err;
13440 }
13441
13442 static void __devexit tg3_remove_one(struct pci_dev *pdev)
13443 {
13444         struct net_device *dev = pci_get_drvdata(pdev);
13445
13446         if (dev) {
13447                 struct tg3 *tp = netdev_priv(dev);
13448
13449                 if (tp->fw)
13450                         release_firmware(tp->fw);
13451
13452                 flush_scheduled_work();
13453
13454                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
13455                         tg3_phy_fini(tp);
13456                         tg3_mdio_fini(tp);
13457                 }
13458
13459                 unregister_netdev(dev);
13460                 if (tp->aperegs) {
13461                         iounmap(tp->aperegs);
13462                         tp->aperegs = NULL;
13463                 }
13464                 if (tp->regs) {
13465                         iounmap(tp->regs);
13466                         tp->regs = NULL;
13467                 }
13468                 free_netdev(dev);
13469                 pci_release_regions(pdev);
13470                 pci_disable_device(pdev);
13471                 pci_set_drvdata(pdev, NULL);
13472         }
13473 }
13474
13475 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
13476 {
13477         struct net_device *dev = pci_get_drvdata(pdev);
13478         struct tg3 *tp = netdev_priv(dev);
13479         pci_power_t target_state;
13480         int err;
13481
13482         /* PCI register 4 needs to be saved whether netif_running() or not.
13483          * MSI address and data need to be saved if using MSI and
13484          * netif_running().
13485          */
13486         pci_save_state(pdev);
13487
13488         if (!netif_running(dev))
13489                 return 0;
13490
13491         flush_scheduled_work();
13492         tg3_phy_stop(tp);
13493         tg3_netif_stop(tp);
13494
13495         del_timer_sync(&tp->timer);
13496
13497         tg3_full_lock(tp, 1);
13498         tg3_disable_ints(tp);
13499         tg3_full_unlock(tp);
13500
13501         netif_device_detach(dev);
13502
13503         tg3_full_lock(tp, 0);
13504         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13505         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
13506         tg3_full_unlock(tp);
13507
13508         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
13509
13510         err = tg3_set_power_state(tp, target_state);
13511         if (err) {
13512                 int err2;
13513
13514                 tg3_full_lock(tp, 0);
13515
13516                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13517                 err2 = tg3_restart_hw(tp, 1);
13518                 if (err2)
13519                         goto out;
13520
13521                 tp->timer.expires = jiffies + tp->timer_offset;
13522                 add_timer(&tp->timer);
13523
13524                 netif_device_attach(dev);
13525                 tg3_netif_start(tp);
13526
13527 out:
13528                 tg3_full_unlock(tp);
13529
13530                 if (!err2)
13531                         tg3_phy_start(tp);
13532         }
13533
13534         return err;
13535 }
13536
13537 static int tg3_resume(struct pci_dev *pdev)
13538 {
13539         struct net_device *dev = pci_get_drvdata(pdev);
13540         struct tg3 *tp = netdev_priv(dev);
13541         int err;
13542
13543         pci_restore_state(tp->pdev);
13544
13545         if (!netif_running(dev))
13546                 return 0;
13547
13548         err = tg3_set_power_state(tp, PCI_D0);
13549         if (err)
13550                 return err;
13551
13552         netif_device_attach(dev);
13553
13554         tg3_full_lock(tp, 0);
13555
13556         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13557         err = tg3_restart_hw(tp, 1);
13558         if (err)
13559                 goto out;
13560
13561         tp->timer.expires = jiffies + tp->timer_offset;
13562         add_timer(&tp->timer);
13563
13564         tg3_netif_start(tp);
13565
13566 out:
13567         tg3_full_unlock(tp);
13568
13569         if (!err)
13570                 tg3_phy_start(tp);
13571
13572         return err;
13573 }
13574
13575 static struct pci_driver tg3_driver = {
13576         .name           = DRV_MODULE_NAME,
13577         .id_table       = tg3_pci_tbl,
13578         .probe          = tg3_init_one,
13579         .remove         = __devexit_p(tg3_remove_one),
13580         .suspend        = tg3_suspend,
13581         .resume         = tg3_resume
13582 };
13583
13584 static int __init tg3_init(void)
13585 {
13586         return pci_register_driver(&tg3_driver);
13587 }
13588
13589 static void __exit tg3_cleanup(void)
13590 {
13591         pci_unregister_driver(&tg3_driver);
13592 }
13593
13594 module_init(tg3_init);
13595 module_exit(tg3_cleanup);