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 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  10  *      Derived from proprietary unpublished source code,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/if_vlan.h>
  36 #include <linux/ip.h>
  37 #include <linux/tcp.h>
  38 #include <linux/workqueue.h>
  39 #include <linux/prefetch.h>
  40 #include <linux/dma-mapping.h>
  41
  42 #include <net/checksum.h>
  43
  44 #include <asm/system.h>
  45 #include <asm/io.h>
  46 #include <asm/byteorder.h>
  47 #include <asm/uaccess.h>
  48
  49 #ifdef CONFIG_SPARC64
  50 #include <asm/idprom.h>
  51 #include <asm/oplib.h>
  52 #include <asm/pbm.h>
  53 #endif
  54
  55 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  56 #define TG3_VLAN_TAG_USED 1
  57 #else
  58 #define TG3_VLAN_TAG_USED 0
  59 #endif
  60
  61 #ifdef NETIF_F_TSO
  62 #define TG3_TSO_SUPPORT 1
  63 #else
  64 #define TG3_TSO_SUPPORT 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      "3.67"
  72 #define DRV_MODULE_RELDATE      "October 18, 2006"
  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 /* number of ETHTOOL_GSTATS u64's */
 135 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 136
 137 #define TG3_NUM_TEST            6
 138
 139 static char version[] __devinitdata =
 140         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 141
 142 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 143 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 144 MODULE_LICENSE("GPL");
 145 MODULE_VERSION(DRV_MODULE_VERSION);
 146
 147 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 148 module_param(tg3_debug, int, 0);
 149 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 150
 151 static struct pci_device_id tg3_pci_tbl[] = {
 152         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 153         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 154         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 155         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 156         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 157         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 158         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 159         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 160         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 161         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 211         {}
 212 };
 213
 214 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 215
 216 static const struct {
 217         const char string[ETH_GSTRING_LEN];
 218 } ethtool_stats_keys[TG3_NUM_STATS] = {
 219         { "rx_octets" },
 220         { "rx_fragments" },
 221         { "rx_ucast_packets" },
 222         { "rx_mcast_packets" },
 223         { "rx_bcast_packets" },
 224         { "rx_fcs_errors" },
 225         { "rx_align_errors" },
 226         { "rx_xon_pause_rcvd" },
 227         { "rx_xoff_pause_rcvd" },
 228         { "rx_mac_ctrl_rcvd" },
 229         { "rx_xoff_entered" },
 230         { "rx_frame_too_long_errors" },
 231         { "rx_jabbers" },
 232         { "rx_undersize_packets" },
 233         { "rx_in_length_errors" },
 234         { "rx_out_length_errors" },
 235         { "rx_64_or_less_octet_packets" },
 236         { "rx_65_to_127_octet_packets" },
 237         { "rx_128_to_255_octet_packets" },
 238         { "rx_256_to_511_octet_packets" },
 239         { "rx_512_to_1023_octet_packets" },
 240         { "rx_1024_to_1522_octet_packets" },
 241         { "rx_1523_to_2047_octet_packets" },
 242         { "rx_2048_to_4095_octet_packets" },
 243         { "rx_4096_to_8191_octet_packets" },
 244         { "rx_8192_to_9022_octet_packets" },
 245
 246         { "tx_octets" },
 247         { "tx_collisions" },
 248
 249         { "tx_xon_sent" },
 250         { "tx_xoff_sent" },
 251         { "tx_flow_control" },
 252         { "tx_mac_errors" },
 253         { "tx_single_collisions" },
 254         { "tx_mult_collisions" },
 255         { "tx_deferred" },
 256         { "tx_excessive_collisions" },
 257         { "tx_late_collisions" },
 258         { "tx_collide_2times" },
 259         { "tx_collide_3times" },
 260         { "tx_collide_4times" },
 261         { "tx_collide_5times" },
 262         { "tx_collide_6times" },
 263         { "tx_collide_7times" },
 264         { "tx_collide_8times" },
 265         { "tx_collide_9times" },
 266         { "tx_collide_10times" },
 267         { "tx_collide_11times" },
 268         { "tx_collide_12times" },
 269         { "tx_collide_13times" },
 270         { "tx_collide_14times" },
 271         { "tx_collide_15times" },
 272         { "tx_ucast_packets" },
 273         { "tx_mcast_packets" },
 274         { "tx_bcast_packets" },
 275         { "tx_carrier_sense_errors" },
 276         { "tx_discards" },
 277         { "tx_errors" },
 278
 279         { "dma_writeq_full" },
 280         { "dma_write_prioq_full" },
 281         { "rxbds_empty" },
 282         { "rx_discards" },
 283         { "rx_errors" },
 284         { "rx_threshold_hit" },
 285
 286         { "dma_readq_full" },
 287         { "dma_read_prioq_full" },
 288         { "tx_comp_queue_full" },
 289
 290         { "ring_set_send_prod_index" },
 291         { "ring_status_update" },
 292         { "nic_irqs" },
 293         { "nic_avoided_irqs" },
 294         { "nic_tx_threshold_hit" }
 295 };
 296
 297 static const struct {
 298         const char string[ETH_GSTRING_LEN];
 299 } ethtool_test_keys[TG3_NUM_TEST] = {
 300         { "nvram test     (online) " },
 301         { "link test      (online) " },
 302         { "register test  (offline)" },
 303         { "memory test    (offline)" },
 304         { "loopback test  (offline)" },
 305         { "interrupt test (offline)" },
 306 };
 307
 308 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 309 {
 310         writel(val, tp->regs + off);
 311 }
 312
 313 static u32 tg3_read32(struct tg3 *tp, u32 off)
 314 {
 315         return (readl(tp->regs + off));
 316 }
 317
 318 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 319 {
 320         unsigned long flags;
 321
 322         spin_lock_irqsave(&tp->indirect_lock, flags);
 323         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 324         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 325         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 326 }
 327
 328 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 329 {
 330         writel(val, tp->regs + off);
 331         readl(tp->regs + off);
 332 }
 333
 334 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 335 {
 336         unsigned long flags;
 337         u32 val;
 338
 339         spin_lock_irqsave(&tp->indirect_lock, flags);
 340         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 341         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 342         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 343         return val;
 344 }
 345
 346 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 347 {
 348         unsigned long flags;
 349
 350         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 351                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 352                                        TG3_64BIT_REG_LOW, val);
 353                 return;
 354         }
 355         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 356                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 357                                        TG3_64BIT_REG_LOW, val);
 358                 return;
 359         }
 360
 361         spin_lock_irqsave(&tp->indirect_lock, flags);
 362         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 363         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 364         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 365
 366         /* In indirect mode when disabling interrupts, we also need
 367          * to clear the interrupt bit in the GRC local ctrl register.
 368          */
 369         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 370             (val == 0x1)) {
 371                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 372                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 373         }
 374 }
 375
 376 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 377 {
 378         unsigned long flags;
 379         u32 val;
 380
 381         spin_lock_irqsave(&tp->indirect_lock, flags);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 383         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 384         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 385         return val;
 386 }
 387
 388 /* usec_wait specifies the wait time in usec when writing to certain registers
 389  * where it is unsafe to read back the register without some delay.
 390  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 391  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 392  */
 393 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 394 {
 395         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 396             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 397                 /* Non-posted methods */
 398                 tp->write32(tp, off, val);
 399         else {
 400                 /* Posted method */
 401                 tg3_write32(tp, off, val);
 402                 if (usec_wait)
 403                         udelay(usec_wait);
 404                 tp->read32(tp, off);
 405         }
 406         /* Wait again after the read for the posted method to guarantee that
 407          * the wait time is met.
 408          */
 409         if (usec_wait)
 410                 udelay(usec_wait);
 411 }
 412
 413 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 414 {
 415         tp->write32_mbox(tp, off, val);
 416         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 417             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 418                 tp->read32_mbox(tp, off);
 419 }
 420
 421 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 422 {
 423         void __iomem *mbox = tp->regs + off;
 424         writel(val, mbox);
 425         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 426                 writel(val, mbox);
 427         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 428                 readl(mbox);
 429 }
 430
 431 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 432 {
 433         return (readl(tp->regs + off + GRCMBOX_BASE));
 434 }
 435
 436 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 437 {
 438         writel(val, tp->regs + off + GRCMBOX_BASE);
 439 }
 440
 441 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 442 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 443 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 444 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 445 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 446
 447 #define tw32(reg,val)           tp->write32(tp, reg, val)
 448 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 449 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 450 #define tr32(reg)               tp->read32(tp, reg)
 451
 452 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 453 {
 454         unsigned long flags;
 455
 456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 457             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 458                 return;
 459
 460         spin_lock_irqsave(&tp->indirect_lock, flags);
 461         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 462                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 464
 465                 /* Always leave this as zero. */
 466                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 467         } else {
 468                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 469                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 470
 471                 /* Always leave this as zero. */
 472                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 473         }
 474         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 475 }
 476
 477 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 478 {
 479         unsigned long flags;
 480
 481         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 482             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 483                 *val = 0;
 484                 return;
 485         }
 486
 487         spin_lock_irqsave(&tp->indirect_lock, flags);
 488         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 489                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 490                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 491
 492                 /* Always leave this as zero. */
 493                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 494         } else {
 495                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 497
 498                 /* Always leave this as zero. */
 499                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         }
 501         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 502 }
 503
 504 static void tg3_disable_ints(struct tg3 *tp)
 505 {
 506         tw32(TG3PCI_MISC_HOST_CTRL,
 507              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 508         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 509 }
 510
 511 static inline void tg3_cond_int(struct tg3 *tp)
 512 {
 513         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 514             (tp->hw_status->status & SD_STATUS_UPDATED))
 515                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 516         else
 517                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 518                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 519 }
 520
 521 static void tg3_enable_ints(struct tg3 *tp)
 522 {
 523         tp->irq_sync = 0;
 524         wmb();
 525
 526         tw32(TG3PCI_MISC_HOST_CTRL,
 527              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 528         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 529                        (tp->last_tag << 24));
 530         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 531                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 532                                (tp->last_tag << 24));
 533         tg3_cond_int(tp);
 534 }
 535
 536 static inline unsigned int tg3_has_work(struct tg3 *tp)
 537 {
 538         struct tg3_hw_status *sblk = tp->hw_status;
 539         unsigned int work_exists = 0;
 540
 541         /* check for phy events */
 542         if (!(tp->tg3_flags &
 543               (TG3_FLAG_USE_LINKCHG_REG |
 544                TG3_FLAG_POLL_SERDES))) {
 545                 if (sblk->status & SD_STATUS_LINK_CHG)
 546                         work_exists = 1;
 547         }
 548         /* check for RX/TX work to do */
 549         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 550             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 551                 work_exists = 1;
 552
 553         return work_exists;
 554 }
 555
 556 /* tg3_restart_ints
 557  *  similar to tg3_enable_ints, but it accurately determines whether there
 558  *  is new work pending and can return without flushing the PIO write
 559  *  which reenables interrupts
 560  */
 561 static void tg3_restart_ints(struct tg3 *tp)
 562 {
 563         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 564                      tp->last_tag << 24);
 565         mmiowb();
 566
 567         /* When doing tagged status, this work check is unnecessary.
 568          * The last_tag we write above tells the chip which piece of
 569          * work we've completed.
 570          */
 571         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 572             tg3_has_work(tp))
 573                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 574                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 575 }
 576
 577 static inline void tg3_netif_stop(struct tg3 *tp)
 578 {
 579         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 580         netif_poll_disable(tp->dev);
 581         netif_tx_disable(tp->dev);
 582 }
 583
 584 static inline void tg3_netif_start(struct tg3 *tp)
 585 {
 586         netif_wake_queue(tp->dev);
 587         /* NOTE: unconditional netif_wake_queue is only appropriate
 588          * so long as all callers are assured to have free tx slots
 589          * (such as after tg3_init_hw)
 590          */
 591         netif_poll_enable(tp->dev);
 592         tp->hw_status->status |= SD_STATUS_UPDATED;
 593         tg3_enable_ints(tp);
 594 }
 595
 596 static void tg3_switch_clocks(struct tg3 *tp)
 597 {
 598         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 599         u32 orig_clock_ctrl;
 600
 601         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 602                 return;
 603
 604         orig_clock_ctrl = clock_ctrl;
 605         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 606                        CLOCK_CTRL_CLKRUN_OENABLE |
 607                        0x1f);
 608         tp->pci_clock_ctrl = clock_ctrl;
 609
 610         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 611                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 612                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 613                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 614                 }
 615         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 616                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 617                             clock_ctrl |
 618                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 619                             40);
 620                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 621                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 622                             40);
 623         }
 624         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 625 }
 626
 627 #define PHY_BUSY_LOOPS  5000
 628
 629 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 630 {
 631         u32 frame_val;
 632         unsigned int loops;
 633         int ret;
 634
 635         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 636                 tw32_f(MAC_MI_MODE,
 637                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 638                 udelay(80);
 639         }
 640
 641         *val = 0x0;
 642
 643         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 644                       MI_COM_PHY_ADDR_MASK);
 645         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 646                       MI_COM_REG_ADDR_MASK);
 647         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 648
 649         tw32_f(MAC_MI_COM, frame_val);
 650
 651         loops = PHY_BUSY_LOOPS;
 652         while (loops != 0) {
 653                 udelay(10);
 654                 frame_val = tr32(MAC_MI_COM);
 655
 656                 if ((frame_val & MI_COM_BUSY) == 0) {
 657                         udelay(5);
 658                         frame_val = tr32(MAC_MI_COM);
 659                         break;
 660                 }
 661                 loops -= 1;
 662         }
 663
 664         ret = -EBUSY;
 665         if (loops != 0) {
 666                 *val = frame_val & MI_COM_DATA_MASK;
 667                 ret = 0;
 668         }
 669
 670         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 671                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 672                 udelay(80);
 673         }
 674
 675         return ret;
 676 }
 677
 678 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 679 {
 680         u32 frame_val;
 681         unsigned int loops;
 682         int ret;
 683
 684         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 685             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 686                 return 0;
 687
 688         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 689                 tw32_f(MAC_MI_MODE,
 690                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 691                 udelay(80);
 692         }
 693
 694         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 695                       MI_COM_PHY_ADDR_MASK);
 696         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 697                       MI_COM_REG_ADDR_MASK);
 698         frame_val |= (val & MI_COM_DATA_MASK);
 699         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 700
 701         tw32_f(MAC_MI_COM, frame_val);
 702
 703         loops = PHY_BUSY_LOOPS;
 704         while (loops != 0) {
 705                 udelay(10);
 706                 frame_val = tr32(MAC_MI_COM);
 707                 if ((frame_val & MI_COM_BUSY) == 0) {
 708                         udelay(5);
 709                         frame_val = tr32(MAC_MI_COM);
 710                         break;
 711                 }
 712                 loops -= 1;
 713         }
 714
 715         ret = -EBUSY;
 716         if (loops != 0)
 717                 ret = 0;
 718
 719         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 720                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 721                 udelay(80);
 722         }
 723
 724         return ret;
 725 }
 726
 727 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 728 {
 729         u32 val;
 730
 731         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
 732                 return;
 733
 734         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
 735             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
 736                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
 737                              (val | (1 << 15) | (1 << 4)));
 738 }
 739
 740 static int tg3_bmcr_reset(struct tg3 *tp)
 741 {
 742         u32 phy_control;
 743         int limit, err;
 744
 745         /* OK, reset it, and poll the BMCR_RESET bit until it
 746          * clears or we time out.
 747          */
 748         phy_control = BMCR_RESET;
 749         err = tg3_writephy(tp, MII_BMCR, phy_control);
 750         if (err != 0)
 751                 return -EBUSY;
 752
 753         limit = 5000;
 754         while (limit--) {
 755                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 756                 if (err != 0)
 757                         return -EBUSY;
 758
 759                 if ((phy_control & BMCR_RESET) == 0) {
 760                         udelay(40);
 761                         break;
 762                 }
 763                 udelay(10);
 764         }
 765         if (limit <= 0)
 766                 return -EBUSY;
 767
 768         return 0;
 769 }
 770
 771 static int tg3_wait_macro_done(struct tg3 *tp)
 772 {
 773         int limit = 100;
 774
 775         while (limit--) {
 776                 u32 tmp32;
 777
 778                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
 779                         if ((tmp32 & 0x1000) == 0)
 780                                 break;
 781                 }
 782         }
 783         if (limit <= 0)
 784                 return -EBUSY;
 785
 786         return 0;
 787 }
 788
 789 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
 790 {
 791         static const u32 test_pat[4][6] = {
 792         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
 793         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
 794         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
 795         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
 796         };
 797         int chan;
 798
 799         for (chan = 0; chan < 4; chan++) {
 800                 int i;
 801
 802                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 803                              (chan * 0x2000) | 0x0200);
 804                 tg3_writephy(tp, 0x16, 0x0002);
 805
 806                 for (i = 0; i < 6; i++)
 807                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
 808                                      test_pat[chan][i]);
 809
 810                 tg3_writephy(tp, 0x16, 0x0202);
 811                 if (tg3_wait_macro_done(tp)) {
 812                         *resetp = 1;
 813                         return -EBUSY;
 814                 }
 815
 816                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 817                              (chan * 0x2000) | 0x0200);
 818                 tg3_writephy(tp, 0x16, 0x0082);
 819                 if (tg3_wait_macro_done(tp)) {
 820                         *resetp = 1;
 821                         return -EBUSY;
 822                 }
 823
 824                 tg3_writephy(tp, 0x16, 0x0802);
 825                 if (tg3_wait_macro_done(tp)) {
 826                         *resetp = 1;
 827                         return -EBUSY;
 828                 }
 829
 830                 for (i = 0; i < 6; i += 2) {
 831                         u32 low, high;
 832
 833                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
 834                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
 835                             tg3_wait_macro_done(tp)) {
 836                                 *resetp = 1;
 837                                 return -EBUSY;
 838                         }
 839                         low &= 0x7fff;
 840                         high &= 0x000f;
 841                         if (low != test_pat[chan][i] ||
 842                             high != test_pat[chan][i+1]) {
 843                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
 844                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
 845                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
 846
 847                                 return -EBUSY;
 848                         }
 849                 }
 850         }
 851
 852         return 0;
 853 }
 854
 855 static int tg3_phy_reset_chanpat(struct tg3 *tp)
 856 {
 857         int chan;
 858
 859         for (chan = 0; chan < 4; chan++) {
 860                 int i;
 861
 862                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 863                              (chan * 0x2000) | 0x0200);
 864                 tg3_writephy(tp, 0x16, 0x0002);
 865                 for (i = 0; i < 6; i++)
 866                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
 867                 tg3_writephy(tp, 0x16, 0x0202);
 868                 if (tg3_wait_macro_done(tp))
 869                         return -EBUSY;
 870         }
 871
 872         return 0;
 873 }
 874
 875 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 876 {
 877         u32 reg32, phy9_orig;
 878         int retries, do_phy_reset, err;
 879
 880         retries = 10;
 881         do_phy_reset = 1;
 882         do {
 883                 if (do_phy_reset) {
 884                         err = tg3_bmcr_reset(tp);
 885                         if (err)
 886                                 return err;
 887                         do_phy_reset = 0;
 888                 }
 889
 890                 /* Disable transmitter and interrupt.  */
 891                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
 892                         continue;
 893
 894                 reg32 |= 0x3000;
 895                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 896
 897                 /* Set full-duplex, 1000 mbps.  */
 898                 tg3_writephy(tp, MII_BMCR,
 899                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
 900
 901                 /* Set to master mode.  */
 902                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
 903                         continue;
 904
 905                 tg3_writephy(tp, MII_TG3_CTRL,
 906                              (MII_TG3_CTRL_AS_MASTER |
 907                               MII_TG3_CTRL_ENABLE_AS_MASTER));
 908
 909                 /* Enable SM_DSP_CLOCK and 6dB.  */
 910                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 911
 912                 /* Block the PHY control access.  */
 913                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 914                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
 915
 916                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
 917                 if (!err)
 918                         break;
 919         } while (--retries);
 920
 921         err = tg3_phy_reset_chanpat(tp);
 922         if (err)
 923                 return err;
 924
 925         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 926         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
 927
 928         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 929         tg3_writephy(tp, 0x16, 0x0000);
 930
 931         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 933                 /* Set Extended packet length bit for jumbo frames */
 934                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
 935         }
 936         else {
 937                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 938         }
 939
 940         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
 941
 942         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
 943                 reg32 &= ~0x3000;
 944                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 945         } else if (!err)
 946                 err = -EBUSY;
 947
 948         return err;
 949 }
 950
 951 static void tg3_link_report(struct tg3 *);
 952
 953 /* This will reset the tigon3 PHY if there is no valid
 954  * link unless the FORCE argument is non-zero.
 955  */
 956 static int tg3_phy_reset(struct tg3 *tp)
 957 {
 958         u32 phy_status;
 959         int err;
 960
 961         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
 962         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
 963         if (err != 0)
 964                 return -EBUSY;
 965
 966         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
 967                 netif_carrier_off(tp->dev);
 968                 tg3_link_report(tp);
 969         }
 970
 971         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 972             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
 973             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
 974                 err = tg3_phy_reset_5703_4_5(tp);
 975                 if (err)
 976                         return err;
 977                 goto out;
 978         }
 979
 980         err = tg3_bmcr_reset(tp);
 981         if (err)
 982                 return err;
 983
 984 out:
 985         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
 986                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 987                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
 988                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
 989                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
 990                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
 991                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 992         }
 993         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
 994                 tg3_writephy(tp, 0x1c, 0x8d68);
 995                 tg3_writephy(tp, 0x1c, 0x8d68);
 996         }
 997         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
 998                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 999                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1000                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1001                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1002                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1003                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1004                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1005                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1006         }
1007         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1008                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1009                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1010                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1011                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1012         }
1013         /* Set Extended packet length bit (bit 14) on all chips that */
1014         /* support jumbo frames */
1015         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1016                 /* Cannot do read-modify-write on 5401 */
1017                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1018         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1019                 u32 phy_reg;
1020
1021                 /* Set bit 14 with read-modify-write to preserve other bits */
1022                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1023                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1024                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1025         }
1026
1027         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1028          * jumbo frames transmission.
1029          */
1030         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1031                 u32 phy_reg;
1032
1033                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1034                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1035                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1036         }
1037
1038         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1039                 u32 phy_reg;
1040
1041                 /* adjust output voltage */
1042                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1043
1044                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1045                         u32 phy_reg2;
1046
1047                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1048                                      phy_reg | MII_TG3_EPHY_SHADOW_EN);
1049                         /* Enable auto-MDIX */
1050                         if (!tg3_readphy(tp, 0x10, &phy_reg2))
1051                                 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1052                         tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1053                 }
1054         }
1055
1056         tg3_phy_set_wirespeed(tp);
1057         return 0;
1058 }
1059
1060 static void tg3_frob_aux_power(struct tg3 *tp)
1061 {
1062         struct tg3 *tp_peer = tp;
1063
1064         if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
1065                 return;
1066
1067         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1068             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1069                 struct net_device *dev_peer;
1070
1071                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1072                 /* remove_one() may have been run on the peer. */
1073                 if (!dev_peer)
1074                         tp_peer = tp;
1075                 else
1076                         tp_peer = netdev_priv(dev_peer);
1077         }
1078
1079         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1080             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1081             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1082             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1083                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1084                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1085                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1086                                     (GRC_LCLCTRL_GPIO_OE0 |
1087                                      GRC_LCLCTRL_GPIO_OE1 |
1088                                      GRC_LCLCTRL_GPIO_OE2 |
1089                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1090                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1091                                     100);
1092                 } else {
1093                         u32 no_gpio2;
1094                         u32 grc_local_ctrl = 0;
1095
1096                         if (tp_peer != tp &&
1097                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1098                                 return;
1099
1100                         /* Workaround to prevent overdrawing Amps. */
1101                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1102                             ASIC_REV_5714) {
1103                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1104                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1105                                             grc_local_ctrl, 100);
1106                         }
1107
1108                         /* On 5753 and variants, GPIO2 cannot be used. */
1109                         no_gpio2 = tp->nic_sram_data_cfg &
1110                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1111
1112                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1113                                          GRC_LCLCTRL_GPIO_OE1 |
1114                                          GRC_LCLCTRL_GPIO_OE2 |
1115                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1116                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1117                         if (no_gpio2) {
1118                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1119                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1120                         }
1121                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1122                                                     grc_local_ctrl, 100);
1123
1124                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1125
1126                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1127                                                     grc_local_ctrl, 100);
1128
1129                         if (!no_gpio2) {
1130                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1131                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1132                                             grc_local_ctrl, 100);
1133                         }
1134                 }
1135         } else {
1136                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1137                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1138                         if (tp_peer != tp &&
1139                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1140                                 return;
1141
1142                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1143                                     (GRC_LCLCTRL_GPIO_OE1 |
1144                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1145
1146                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1147                                     GRC_LCLCTRL_GPIO_OE1, 100);
1148
1149                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1150                                     (GRC_LCLCTRL_GPIO_OE1 |
1151                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1152                 }
1153         }
1154 }
1155
1156 static int tg3_setup_phy(struct tg3 *, int);
1157
1158 #define RESET_KIND_SHUTDOWN     0
1159 #define RESET_KIND_INIT         1
1160 #define RESET_KIND_SUSPEND      2
1161
1162 static void tg3_write_sig_post_reset(struct tg3 *, int);
1163 static int tg3_halt_cpu(struct tg3 *, u32);
1164 static int tg3_nvram_lock(struct tg3 *);
1165 static void tg3_nvram_unlock(struct tg3 *);
1166
1167 static void tg3_power_down_phy(struct tg3 *tp)
1168 {
1169         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
1170                 return;
1171
1172         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1173                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1174                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1175                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1176         }
1177
1178         /* The PHY should not be powered down on some chips because
1179          * of bugs.
1180          */
1181         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1182             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1183             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1184              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1185                 return;
1186         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1187 }
1188
1189 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1190 {
1191         u32 misc_host_ctrl;
1192         u16 power_control, power_caps;
1193         int pm = tp->pm_cap;
1194
1195         /* Make sure register accesses (indirect or otherwise)
1196          * will function correctly.
1197          */
1198         pci_write_config_dword(tp->pdev,
1199                                TG3PCI_MISC_HOST_CTRL,
1200                                tp->misc_host_ctrl);
1201
1202         pci_read_config_word(tp->pdev,
1203                              pm + PCI_PM_CTRL,
1204                              &power_control);
1205         power_control |= PCI_PM_CTRL_PME_STATUS;
1206         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1207         switch (state) {
1208         case PCI_D0:
1209                 power_control |= 0;
1210                 pci_write_config_word(tp->pdev,
1211                                       pm + PCI_PM_CTRL,
1212                                       power_control);
1213                 udelay(100);    /* Delay after power state change */
1214
1215                 /* Switch out of Vaux if it is not a LOM */
1216                 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
1217                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1218
1219                 return 0;
1220
1221         case PCI_D1:
1222                 power_control |= 1;
1223                 break;
1224
1225         case PCI_D2:
1226                 power_control |= 2;
1227                 break;
1228
1229         case PCI_D3hot:
1230                 power_control |= 3;
1231                 break;
1232
1233         default:
1234                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1235                        "requested.\n",
1236                        tp->dev->name, state);
1237                 return -EINVAL;
1238         };
1239
1240         power_control |= PCI_PM_CTRL_PME_ENABLE;
1241
1242         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1243         tw32(TG3PCI_MISC_HOST_CTRL,
1244              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1245
1246         if (tp->link_config.phy_is_low_power == 0) {
1247                 tp->link_config.phy_is_low_power = 1;
1248                 tp->link_config.orig_speed = tp->link_config.speed;
1249                 tp->link_config.orig_duplex = tp->link_config.duplex;
1250                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1251         }
1252
1253         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1254                 tp->link_config.speed = SPEED_10;
1255                 tp->link_config.duplex = DUPLEX_HALF;
1256                 tp->link_config.autoneg = AUTONEG_ENABLE;
1257                 tg3_setup_phy(tp, 0);
1258         }
1259
1260         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1261                 u32 val;
1262
1263                 val = tr32(GRC_VCPU_EXT_CTRL);
1264                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1265         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1266                 int i;
1267                 u32 val;
1268
1269                 for (i = 0; i < 200; i++) {
1270                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1271                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1272                                 break;
1273                         msleep(1);
1274                 }
1275         }
1276         tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1277                                              WOL_DRV_STATE_SHUTDOWN |
1278                                              WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1279
1280         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1281
1282         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1283                 u32 mac_mode;
1284
1285                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1286                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1287                         udelay(40);
1288
1289                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1290                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1291                         else
1292                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1293
1294                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1295                             !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1296                                 mac_mode |= MAC_MODE_LINK_POLARITY;
1297                 } else {
1298                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1299                 }
1300
1301                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1302                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1303
1304                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1305                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1306                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1307
1308                 tw32_f(MAC_MODE, mac_mode);
1309                 udelay(100);
1310
1311                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1312                 udelay(10);
1313         }
1314
1315         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1316             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1317              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1318                 u32 base_val;
1319
1320                 base_val = tp->pci_clock_ctrl;
1321                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1322                              CLOCK_CTRL_TXCLK_DISABLE);
1323
1324                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1325                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1326         } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
1327                 /* do nothing */
1328         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1329                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1330                 u32 newbits1, newbits2;
1331
1332                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1333                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1334                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1335                                     CLOCK_CTRL_TXCLK_DISABLE |
1336                                     CLOCK_CTRL_ALTCLK);
1337                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1338                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1339                         newbits1 = CLOCK_CTRL_625_CORE;
1340                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1341                 } else {
1342                         newbits1 = CLOCK_CTRL_ALTCLK;
1343                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1344                 }
1345
1346                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1347                             40);
1348
1349                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1350                             40);
1351
1352                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1353                         u32 newbits3;
1354
1355                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1356                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1357                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1358                                             CLOCK_CTRL_TXCLK_DISABLE |
1359                                             CLOCK_CTRL_44MHZ_CORE);
1360                         } else {
1361                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1362                         }
1363
1364                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1365                                     tp->pci_clock_ctrl | newbits3, 40);
1366                 }
1367         }
1368
1369         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1370             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1371                 tg3_power_down_phy(tp);
1372
1373         tg3_frob_aux_power(tp);
1374
1375         /* Workaround for unstable PLL clock */
1376         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1377             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1378                 u32 val = tr32(0x7d00);
1379
1380                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1381                 tw32(0x7d00, val);
1382                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1383                         int err;
1384
1385                         err = tg3_nvram_lock(tp);
1386                         tg3_halt_cpu(tp, RX_CPU_BASE);
1387                         if (!err)
1388                                 tg3_nvram_unlock(tp);
1389                 }
1390         }
1391
1392         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1393
1394         /* Finally, set the new power state. */
1395         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1396         udelay(100);    /* Delay after power state change */
1397
1398         return 0;
1399 }
1400
1401 static void tg3_link_report(struct tg3 *tp)
1402 {
1403         if (!netif_carrier_ok(tp->dev)) {
1404                 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1405         } else {
1406                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1407                        tp->dev->name,
1408                        (tp->link_config.active_speed == SPEED_1000 ?
1409                         1000 :
1410                         (tp->link_config.active_speed == SPEED_100 ?
1411                          100 : 10)),
1412                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1413                         "full" : "half"));
1414
1415                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1416                        "%s for RX.\n",
1417                        tp->dev->name,
1418                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1419                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1420         }
1421 }
1422
1423 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1424 {
1425         u32 new_tg3_flags = 0;
1426         u32 old_rx_mode = tp->rx_mode;
1427         u32 old_tx_mode = tp->tx_mode;
1428
1429         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1430
1431                 /* Convert 1000BaseX flow control bits to 1000BaseT
1432                  * bits before resolving flow control.
1433                  */
1434                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1435                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1436                                        ADVERTISE_PAUSE_ASYM);
1437                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1438
1439                         if (local_adv & ADVERTISE_1000XPAUSE)
1440                                 local_adv |= ADVERTISE_PAUSE_CAP;
1441                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1442                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1443                         if (remote_adv & LPA_1000XPAUSE)
1444                                 remote_adv |= LPA_PAUSE_CAP;
1445                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1446                                 remote_adv |= LPA_PAUSE_ASYM;
1447                 }
1448
1449                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1450                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1451                                 if (remote_adv & LPA_PAUSE_CAP)
1452                                         new_tg3_flags |=
1453                                                 (TG3_FLAG_RX_PAUSE |
1454                                                 TG3_FLAG_TX_PAUSE);
1455                                 else if (remote_adv & LPA_PAUSE_ASYM)
1456                                         new_tg3_flags |=
1457                                                 (TG3_FLAG_RX_PAUSE);
1458                         } else {
1459                                 if (remote_adv & LPA_PAUSE_CAP)
1460                                         new_tg3_flags |=
1461                                                 (TG3_FLAG_RX_PAUSE |
1462                                                 TG3_FLAG_TX_PAUSE);
1463                         }
1464                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1465                         if ((remote_adv & LPA_PAUSE_CAP) &&
1466                         (remote_adv & LPA_PAUSE_ASYM))
1467                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1468                 }
1469
1470                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1471                 tp->tg3_flags |= new_tg3_flags;
1472         } else {
1473                 new_tg3_flags = tp->tg3_flags;
1474         }
1475
1476         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1477                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1478         else
1479                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1480
1481         if (old_rx_mode != tp->rx_mode) {
1482                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1483         }
1484
1485         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1486                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1487         else
1488                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1489
1490         if (old_tx_mode != tp->tx_mode) {
1491                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1492         }
1493 }
1494
1495 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1496 {
1497         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1498         case MII_TG3_AUX_STAT_10HALF:
1499                 *speed = SPEED_10;
1500                 *duplex = DUPLEX_HALF;
1501                 break;
1502
1503         case MII_TG3_AUX_STAT_10FULL:
1504                 *speed = SPEED_10;
1505                 *duplex = DUPLEX_FULL;
1506                 break;
1507
1508         case MII_TG3_AUX_STAT_100HALF:
1509                 *speed = SPEED_100;
1510                 *duplex = DUPLEX_HALF;
1511                 break;
1512
1513         case MII_TG3_AUX_STAT_100FULL:
1514                 *speed = SPEED_100;
1515                 *duplex = DUPLEX_FULL;
1516                 break;
1517
1518         case MII_TG3_AUX_STAT_1000HALF:
1519                 *speed = SPEED_1000;
1520                 *duplex = DUPLEX_HALF;
1521                 break;
1522
1523         case MII_TG3_AUX_STAT_1000FULL:
1524                 *speed = SPEED_1000;
1525                 *duplex = DUPLEX_FULL;
1526                 break;
1527
1528         default:
1529                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1530                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1531                                  SPEED_10;
1532                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1533                                   DUPLEX_HALF;
1534                         break;
1535                 }
1536                 *speed = SPEED_INVALID;
1537                 *duplex = DUPLEX_INVALID;
1538                 break;
1539         };
1540 }
1541
1542 static void tg3_phy_copper_begin(struct tg3 *tp)
1543 {
1544         u32 new_adv;
1545         int i;
1546
1547         if (tp->link_config.phy_is_low_power) {
1548                 /* Entering low power mode.  Disable gigabit and
1549                  * 100baseT advertisements.
1550                  */
1551                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1552
1553                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1554                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1555                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1556                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1557
1558                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1559         } else if (tp->link_config.speed == SPEED_INVALID) {
1560                 tp->link_config.advertising =
1561                         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1562                          ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1563                          ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1564                          ADVERTISED_Autoneg | ADVERTISED_MII);
1565
1566                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1567                         tp->link_config.advertising &=
1568                                 ~(ADVERTISED_1000baseT_Half |
1569                                   ADVERTISED_1000baseT_Full);
1570
1571                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1572                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1573                         new_adv |= ADVERTISE_10HALF;
1574                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1575                         new_adv |= ADVERTISE_10FULL;
1576                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1577                         new_adv |= ADVERTISE_100HALF;
1578                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1579                         new_adv |= ADVERTISE_100FULL;
1580                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1581
1582                 if (tp->link_config.advertising &
1583                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1584                         new_adv = 0;
1585                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1586                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1587                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1588                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1589                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1590                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1591                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1592                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1593                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1594                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1595                 } else {
1596                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1597                 }
1598         } else {
1599                 /* Asking for a specific link mode. */
1600                 if (tp->link_config.speed == SPEED_1000) {
1601                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1602                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1603
1604                         if (tp->link_config.duplex == DUPLEX_FULL)
1605                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1606                         else
1607                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1608                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1609                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1610                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1611                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1612                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1613                 } else {
1614                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1615
1616                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1617                         if (tp->link_config.speed == SPEED_100) {
1618                                 if (tp->link_config.duplex == DUPLEX_FULL)
1619                                         new_adv |= ADVERTISE_100FULL;
1620                                 else
1621                                         new_adv |= ADVERTISE_100HALF;
1622                         } else {
1623                                 if (tp->link_config.duplex == DUPLEX_FULL)
1624                                         new_adv |= ADVERTISE_10FULL;
1625                                 else
1626                                         new_adv |= ADVERTISE_10HALF;
1627                         }
1628                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1629                 }
1630         }
1631
1632         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1633             tp->link_config.speed != SPEED_INVALID) {
1634                 u32 bmcr, orig_bmcr;
1635
1636                 tp->link_config.active_speed = tp->link_config.speed;
1637                 tp->link_config.active_duplex = tp->link_config.duplex;
1638
1639                 bmcr = 0;
1640                 switch (tp->link_config.speed) {
1641                 default:
1642                 case SPEED_10:
1643                         break;
1644
1645                 case SPEED_100:
1646                         bmcr |= BMCR_SPEED100;
1647                         break;
1648
1649                 case SPEED_1000:
1650                         bmcr |= TG3_BMCR_SPEED1000;
1651                         break;
1652                 };
1653
1654                 if (tp->link_config.duplex == DUPLEX_FULL)
1655                         bmcr |= BMCR_FULLDPLX;
1656
1657                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1658                     (bmcr != orig_bmcr)) {
1659                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1660                         for (i = 0; i < 1500; i++) {
1661                                 u32 tmp;
1662
1663                                 udelay(10);
1664                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1665                                     tg3_readphy(tp, MII_BMSR, &tmp))
1666                                         continue;
1667                                 if (!(tmp & BMSR_LSTATUS)) {
1668                                         udelay(40);
1669                                         break;
1670                                 }
1671                         }
1672                         tg3_writephy(tp, MII_BMCR, bmcr);
1673                         udelay(40);
1674                 }
1675         } else {
1676                 tg3_writephy(tp, MII_BMCR,
1677                              BMCR_ANENABLE | BMCR_ANRESTART);
1678         }
1679 }
1680
1681 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1682 {
1683         int err;
1684
1685         /* Turn off tap power management. */
1686         /* Set Extended packet length bit */
1687         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1688
1689         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1690         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1691
1692         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1693         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1694
1695         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1696         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1697
1698         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1699         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1700
1701         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1702         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1703
1704         udelay(40);
1705
1706         return err;
1707 }
1708
1709 static int tg3_copper_is_advertising_all(struct tg3 *tp)
1710 {
1711         u32 adv_reg, all_mask;
1712
1713         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1714                 return 0;
1715
1716         all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1717                     ADVERTISE_100HALF | ADVERTISE_100FULL);
1718         if ((adv_reg & all_mask) != all_mask)
1719                 return 0;
1720         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1721                 u32 tg3_ctrl;
1722
1723                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1724                         return 0;
1725
1726                 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1727                             MII_TG3_CTRL_ADV_1000_FULL);
1728                 if ((tg3_ctrl & all_mask) != all_mask)
1729                         return 0;
1730         }
1731         return 1;
1732 }
1733
1734 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1735 {
1736         int current_link_up;
1737         u32 bmsr, dummy;
1738         u16 current_speed;
1739         u8 current_duplex;
1740         int i, err;
1741
1742         tw32(MAC_EVENT, 0);
1743
1744         tw32_f(MAC_STATUS,
1745              (MAC_STATUS_SYNC_CHANGED |
1746               MAC_STATUS_CFG_CHANGED |
1747               MAC_STATUS_MI_COMPLETION |
1748               MAC_STATUS_LNKSTATE_CHANGED));
1749         udelay(40);
1750
1751         tp->mi_mode = MAC_MI_MODE_BASE;
1752         tw32_f(MAC_MI_MODE, tp->mi_mode);
1753         udelay(80);
1754
1755         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1756
1757         /* Some third-party PHYs need to be reset on link going
1758          * down.
1759          */
1760         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1761              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1762              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1763             netif_carrier_ok(tp->dev)) {
1764                 tg3_readphy(tp, MII_BMSR, &bmsr);
1765                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1766                     !(bmsr & BMSR_LSTATUS))
1767                         force_reset = 1;
1768         }
1769         if (force_reset)
1770                 tg3_phy_reset(tp);
1771
1772         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1773                 tg3_readphy(tp, MII_BMSR, &bmsr);
1774                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1775                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1776                         bmsr = 0;
1777
1778                 if (!(bmsr & BMSR_LSTATUS)) {
1779                         err = tg3_init_5401phy_dsp(tp);
1780                         if (err)
1781                                 return err;
1782
1783                         tg3_readphy(tp, MII_BMSR, &bmsr);
1784                         for (i = 0; i < 1000; i++) {
1785                                 udelay(10);
1786                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1787                                     (bmsr & BMSR_LSTATUS)) {
1788                                         udelay(40);
1789                                         break;
1790                                 }
1791                         }
1792
1793                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1794                             !(bmsr & BMSR_LSTATUS) &&
1795                             tp->link_config.active_speed == SPEED_1000) {
1796                                 err = tg3_phy_reset(tp);
1797                                 if (!err)
1798                                         err = tg3_init_5401phy_dsp(tp);
1799                                 if (err)
1800                                         return err;
1801                         }
1802                 }
1803         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1804                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1805                 /* 5701 {A0,B0} CRC bug workaround */
1806                 tg3_writephy(tp, 0x15, 0x0a75);
1807                 tg3_writephy(tp, 0x1c, 0x8c68);
1808                 tg3_writephy(tp, 0x1c, 0x8d68);
1809                 tg3_writephy(tp, 0x1c, 0x8c68);
1810         }
1811
1812         /* Clear pending interrupts... */
1813         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1814         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1815
1816         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1817                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1818         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1819                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1820
1821         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1822             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1823                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1824                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1825                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1826                 else
1827                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1828         }
1829
1830         current_link_up = 0;
1831         current_speed = SPEED_INVALID;
1832         current_duplex = DUPLEX_INVALID;
1833
1834         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1835                 u32 val;
1836
1837                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1838                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1839                 if (!(val & (1 << 10))) {
1840                         val |= (1 << 10);
1841                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1842                         goto relink;
1843                 }
1844         }
1845
1846         bmsr = 0;
1847         for (i = 0; i < 100; i++) {
1848                 tg3_readphy(tp, MII_BMSR, &bmsr);
1849                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850                     (bmsr & BMSR_LSTATUS))
1851                         break;
1852                 udelay(40);
1853         }
1854
1855         if (bmsr & BMSR_LSTATUS) {
1856                 u32 aux_stat, bmcr;
1857
1858                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1859                 for (i = 0; i < 2000; i++) {
1860                         udelay(10);
1861                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1862                             aux_stat)
1863                                 break;
1864                 }
1865
1866                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1867                                              &current_speed,
1868                                              &current_duplex);
1869
1870                 bmcr = 0;
1871                 for (i = 0; i < 200; i++) {
1872                         tg3_readphy(tp, MII_BMCR, &bmcr);
1873                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1874                                 continue;
1875                         if (bmcr && bmcr != 0x7fff)
1876                                 break;
1877                         udelay(10);
1878                 }
1879
1880                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1881                         if (bmcr & BMCR_ANENABLE) {
1882                                 current_link_up = 1;
1883
1884                                 /* Force autoneg restart if we are exiting
1885                                  * low power mode.
1886                                  */
1887                                 if (!tg3_copper_is_advertising_all(tp))
1888                                         current_link_up = 0;
1889                         } else {
1890                                 current_link_up = 0;
1891                         }
1892                 } else {
1893                         if (!(bmcr & BMCR_ANENABLE) &&
1894                             tp->link_config.speed == current_speed &&
1895                             tp->link_config.duplex == current_duplex) {
1896                                 current_link_up = 1;
1897                         } else {
1898                                 current_link_up = 0;
1899                         }
1900                 }
1901
1902                 tp->link_config.active_speed = current_speed;
1903                 tp->link_config.active_duplex = current_duplex;
1904         }
1905
1906         if (current_link_up == 1 &&
1907             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1908             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1909                 u32 local_adv, remote_adv;
1910
1911                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1912                         local_adv = 0;
1913                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1914
1915                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1916                         remote_adv = 0;
1917
1918                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1919
1920                 /* If we are not advertising full pause capability,
1921                  * something is wrong.  Bring the link down and reconfigure.
1922                  */
1923                 if (local_adv != ADVERTISE_PAUSE_CAP) {
1924                         current_link_up = 0;
1925                 } else {
1926                         tg3_setup_flow_control(tp, local_adv, remote_adv);
1927                 }
1928         }
1929 relink:
1930         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1931                 u32 tmp;
1932
1933                 tg3_phy_copper_begin(tp);
1934
1935                 tg3_readphy(tp, MII_BMSR, &tmp);
1936                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1937                     (tmp & BMSR_LSTATUS))
1938                         current_link_up = 1;
1939         }
1940
1941         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1942         if (current_link_up == 1) {
1943                 if (tp->link_config.active_speed == SPEED_100 ||
1944                     tp->link_config.active_speed == SPEED_10)
1945                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1946                 else
1947                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1948         } else
1949                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1950
1951         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1952         if (tp->link_config.active_duplex == DUPLEX_HALF)
1953                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1954
1955         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1956         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1957                 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1958                     (current_link_up == 1 &&
1959                      tp->link_config.active_speed == SPEED_10))
1960                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1961         } else {
1962                 if (current_link_up == 1)
1963                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1964         }
1965
1966         /* ??? Without this setting Netgear GA302T PHY does not
1967          * ??? send/receive packets...
1968          */
1969         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1970             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1971                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1972                 tw32_f(MAC_MI_MODE, tp->mi_mode);
1973                 udelay(80);
1974         }
1975
1976         tw32_f(MAC_MODE, tp->mac_mode);
1977         udelay(40);
1978
1979         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1980                 /* Polled via timer. */
1981                 tw32_f(MAC_EVENT, 0);
1982         } else {
1983                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1984         }
1985         udelay(40);
1986
1987         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1988             current_link_up == 1 &&
1989             tp->link_config.active_speed == SPEED_1000 &&
1990             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1991              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1992                 udelay(120);
1993                 tw32_f(MAC_STATUS,
1994                      (MAC_STATUS_SYNC_CHANGED |
1995                       MAC_STATUS_CFG_CHANGED));
1996                 udelay(40);
1997                 tg3_write_mem(tp,
1998                               NIC_SRAM_FIRMWARE_MBOX,
1999                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2000         }
2001
2002         if (current_link_up != netif_carrier_ok(tp->dev)) {
2003                 if (current_link_up)
2004                         netif_carrier_on(tp->dev);
2005                 else
2006                         netif_carrier_off(tp->dev);
2007                 tg3_link_report(tp);
2008         }
2009
2010         return 0;
2011 }
2012
2013 struct tg3_fiber_aneginfo {
2014         int state;
2015 #define ANEG_STATE_UNKNOWN              0
2016 #define ANEG_STATE_AN_ENABLE            1
2017 #define ANEG_STATE_RESTART_INIT         2
2018 #define ANEG_STATE_RESTART              3
2019 #define ANEG_STATE_DISABLE_LINK_OK      4
2020 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2021 #define ANEG_STATE_ABILITY_DETECT       6
2022 #define ANEG_STATE_ACK_DETECT_INIT      7
2023 #define ANEG_STATE_ACK_DETECT           8
2024 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2025 #define ANEG_STATE_COMPLETE_ACK         10
2026 #define ANEG_STATE_IDLE_DETECT_INIT     11
2027 #define ANEG_STATE_IDLE_DETECT          12
2028 #define ANEG_STATE_LINK_OK              13
2029 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2030 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2031
2032         u32 flags;
2033 #define MR_AN_ENABLE            0x00000001
2034 #define MR_RESTART_AN           0x00000002
2035 #define MR_AN_COMPLETE          0x00000004
2036 #define MR_PAGE_RX              0x00000008
2037 #define MR_NP_LOADED            0x00000010
2038 #define MR_TOGGLE_TX            0x00000020
2039 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2040 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2041 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2042 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2043 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2044 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2045 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2046 #define MR_TOGGLE_RX            0x00002000
2047 #define MR_NP_RX                0x00004000
2048
2049 #define MR_LINK_OK              0x80000000
2050
2051         unsigned long link_time, cur_time;
2052
2053         u32 ability_match_cfg;
2054         int ability_match_count;
2055
2056         char ability_match, idle_match, ack_match;
2057
2058         u32 txconfig, rxconfig;
2059 #define ANEG_CFG_NP             0x00000080
2060 #define ANEG_CFG_ACK            0x00000040
2061 #define ANEG_CFG_RF2            0x00000020
2062 #define ANEG_CFG_RF1            0x00000010
2063 #define ANEG_CFG_PS2            0x00000001
2064 #define ANEG_CFG_PS1            0x00008000
2065 #define ANEG_CFG_HD             0x00004000
2066 #define ANEG_CFG_FD             0x00002000
2067 #define ANEG_CFG_INVAL          0x00001f06
2068
2069 };
2070 #define ANEG_OK         0
2071 #define ANEG_DONE       1
2072 #define ANEG_TIMER_ENAB 2
2073 #define ANEG_FAILED     -1
2074
2075 #define ANEG_STATE_SETTLE_TIME  10000
2076
2077 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2078                                    struct tg3_fiber_aneginfo *ap)
2079 {
2080         unsigned long delta;
2081         u32 rx_cfg_reg;
2082         int ret;
2083
2084         if (ap->state == ANEG_STATE_UNKNOWN) {
2085                 ap->rxconfig = 0;
2086                 ap->link_time = 0;
2087                 ap->cur_time = 0;
2088                 ap->ability_match_cfg = 0;
2089                 ap->ability_match_count = 0;
2090                 ap->ability_match = 0;
2091                 ap->idle_match = 0;
2092                 ap->ack_match = 0;
2093         }
2094         ap->cur_time++;
2095
2096         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2097                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2098
2099                 if (rx_cfg_reg != ap->ability_match_cfg) {
2100                         ap->ability_match_cfg = rx_cfg_reg;
2101                         ap->ability_match = 0;
2102                         ap->ability_match_count = 0;
2103                 } else {
2104                         if (++ap->ability_match_count > 1) {
2105                                 ap->ability_match = 1;
2106                                 ap->ability_match_cfg = rx_cfg_reg;
2107                         }
2108                 }
2109                 if (rx_cfg_reg & ANEG_CFG_ACK)
2110                         ap->ack_match = 1;
2111                 else
2112                         ap->ack_match = 0;
2113
2114                 ap->idle_match = 0;
2115         } else {
2116                 ap->idle_match = 1;
2117                 ap->ability_match_cfg = 0;
2118                 ap->ability_match_count = 0;
2119                 ap->ability_match = 0;
2120                 ap->ack_match = 0;
2121
2122                 rx_cfg_reg = 0;
2123         }
2124
2125         ap->rxconfig = rx_cfg_reg;
2126         ret = ANEG_OK;
2127
2128         switch(ap->state) {
2129         case ANEG_STATE_UNKNOWN:
2130                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2131                         ap->state = ANEG_STATE_AN_ENABLE;
2132
2133                 /* fallthru */
2134         case ANEG_STATE_AN_ENABLE:
2135                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2136                 if (ap->flags & MR_AN_ENABLE) {
2137                         ap->link_time = 0;
2138                         ap->cur_time = 0;
2139                         ap->ability_match_cfg = 0;
2140                         ap->ability_match_count = 0;
2141                         ap->ability_match = 0;
2142                         ap->idle_match = 0;
2143                         ap->ack_match = 0;
2144
2145                         ap->state = ANEG_STATE_RESTART_INIT;
2146                 } else {
2147                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2148                 }
2149                 break;
2150
2151         case ANEG_STATE_RESTART_INIT:
2152                 ap->link_time = ap->cur_time;
2153                 ap->flags &= ~(MR_NP_LOADED);
2154                 ap->txconfig = 0;
2155                 tw32(MAC_TX_AUTO_NEG, 0);
2156                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2157                 tw32_f(MAC_MODE, tp->mac_mode);
2158                 udelay(40);
2159
2160                 ret = ANEG_TIMER_ENAB;
2161                 ap->state = ANEG_STATE_RESTART;
2162
2163                 /* fallthru */
2164         case ANEG_STATE_RESTART:
2165                 delta = ap->cur_time - ap->link_time;
2166                 if (delta > ANEG_STATE_SETTLE_TIME) {
2167                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2168                 } else {
2169                         ret = ANEG_TIMER_ENAB;
2170                 }
2171                 break;
2172
2173         case ANEG_STATE_DISABLE_LINK_OK:
2174                 ret = ANEG_DONE;
2175                 break;
2176
2177         case ANEG_STATE_ABILITY_DETECT_INIT:
2178                 ap->flags &= ~(MR_TOGGLE_TX);
2179                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2180                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2181                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2182                 tw32_f(MAC_MODE, tp->mac_mode);
2183                 udelay(40);
2184
2185                 ap->state = ANEG_STATE_ABILITY_DETECT;
2186                 break;
2187
2188         case ANEG_STATE_ABILITY_DETECT:
2189                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2190                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2191                 }
2192                 break;
2193
2194         case ANEG_STATE_ACK_DETECT_INIT:
2195                 ap->txconfig |= ANEG_CFG_ACK;
2196                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2197                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2198                 tw32_f(MAC_MODE, tp->mac_mode);
2199                 udelay(40);
2200
2201                 ap->state = ANEG_STATE_ACK_DETECT;
2202
2203                 /* fallthru */
2204         case ANEG_STATE_ACK_DETECT:
2205                 if (ap->ack_match != 0) {
2206                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2207                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2208                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2209                         } else {
2210                                 ap->state = ANEG_STATE_AN_ENABLE;
2211                         }
2212                 } else if (ap->ability_match != 0 &&
2213                            ap->rxconfig == 0) {
2214                         ap->state = ANEG_STATE_AN_ENABLE;
2215                 }
2216                 break;
2217
2218         case ANEG_STATE_COMPLETE_ACK_INIT:
2219                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2220                         ret = ANEG_FAILED;
2221                         break;
2222                 }
2223                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2224                                MR_LP_ADV_HALF_DUPLEX |
2225                                MR_LP_ADV_SYM_PAUSE |
2226                                MR_LP_ADV_ASYM_PAUSE |
2227                                MR_LP_ADV_REMOTE_FAULT1 |
2228                                MR_LP_ADV_REMOTE_FAULT2 |
2229                                MR_LP_ADV_NEXT_PAGE |
2230                                MR_TOGGLE_RX |
2231                                MR_NP_RX);
2232                 if (ap->rxconfig & ANEG_CFG_FD)
2233                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2234                 if (ap->rxconfig & ANEG_CFG_HD)
2235                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2236                 if (ap->rxconfig & ANEG_CFG_PS1)
2237                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2238                 if (ap->rxconfig & ANEG_CFG_PS2)
2239                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2240                 if (ap->rxconfig & ANEG_CFG_RF1)
2241                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2242                 if (ap->rxconfig & ANEG_CFG_RF2)
2243                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2244                 if (ap->rxconfig & ANEG_CFG_NP)
2245                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2246
2247                 ap->link_time = ap->cur_time;
2248
2249                 ap->flags ^= (MR_TOGGLE_TX);
2250                 if (ap->rxconfig & 0x0008)
2251                         ap->flags |= MR_TOGGLE_RX;
2252                 if (ap->rxconfig & ANEG_CFG_NP)
2253                         ap->flags |= MR_NP_RX;
2254                 ap->flags |= MR_PAGE_RX;
2255
2256                 ap->state = ANEG_STATE_COMPLETE_ACK;
2257                 ret = ANEG_TIMER_ENAB;
2258                 break;
2259
2260         case ANEG_STATE_COMPLETE_ACK:
2261                 if (ap->ability_match != 0 &&
2262                     ap->rxconfig == 0) {
2263                         ap->state = ANEG_STATE_AN_ENABLE;
2264                         break;
2265                 }
2266                 delta = ap->cur_time - ap->link_time;
2267                 if (delta > ANEG_STATE_SETTLE_TIME) {
2268                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2269                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2270                         } else {
2271                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2272                                     !(ap->flags & MR_NP_RX)) {
2273                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2274                                 } else {
2275                                         ret = ANEG_FAILED;
2276                                 }
2277                         }
2278                 }
2279                 break;
2280
2281         case ANEG_STATE_IDLE_DETECT_INIT:
2282                 ap->link_time = ap->cur_time;
2283                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2284                 tw32_f(MAC_MODE, tp->mac_mode);
2285                 udelay(40);
2286
2287                 ap->state = ANEG_STATE_IDLE_DETECT;
2288                 ret = ANEG_TIMER_ENAB;
2289                 break;
2290
2291         case ANEG_STATE_IDLE_DETECT:
2292                 if (ap->ability_match != 0 &&
2293                     ap->rxconfig == 0) {
2294                         ap->state = ANEG_STATE_AN_ENABLE;
2295                         break;
2296                 }
2297                 delta = ap->cur_time - ap->link_time;
2298                 if (delta > ANEG_STATE_SETTLE_TIME) {
2299                         /* XXX another gem from the Broadcom driver :( */
2300                         ap->state = ANEG_STATE_LINK_OK;
2301                 }
2302                 break;
2303
2304         case ANEG_STATE_LINK_OK:
2305                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2306                 ret = ANEG_DONE;
2307                 break;
2308
2309         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2310                 /* ??? unimplemented */
2311                 break;
2312
2313         case ANEG_STATE_NEXT_PAGE_WAIT:
2314                 /* ??? unimplemented */
2315                 break;
2316
2317         default:
2318                 ret = ANEG_FAILED;
2319                 break;
2320         };
2321
2322         return ret;
2323 }
2324
2325 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2326 {
2327         int res = 0;
2328         struct tg3_fiber_aneginfo aninfo;
2329         int status = ANEG_FAILED;
2330         unsigned int tick;
2331         u32 tmp;
2332
2333         tw32_f(MAC_TX_AUTO_NEG, 0);
2334
2335         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2336         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2337         udelay(40);
2338
2339         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2340         udelay(40);
2341
2342         memset(&aninfo, 0, sizeof(aninfo));
2343         aninfo.flags |= MR_AN_ENABLE;
2344         aninfo.state = ANEG_STATE_UNKNOWN;
2345         aninfo.cur_time = 0;
2346         tick = 0;
2347         while (++tick < 195000) {
2348                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2349                 if (status == ANEG_DONE || status == ANEG_FAILED)
2350                         break;
2351
2352                 udelay(1);
2353         }
2354
2355         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2356         tw32_f(MAC_MODE, tp->mac_mode);
2357         udelay(40);
2358
2359         *flags = aninfo.flags;
2360
2361         if (status == ANEG_DONE &&
2362             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2363                              MR_LP_ADV_FULL_DUPLEX)))
2364                 res = 1;
2365
2366         return res;
2367 }
2368
2369 static void tg3_init_bcm8002(struct tg3 *tp)
2370 {
2371         u32 mac_status = tr32(MAC_STATUS);
2372         int i;
2373
2374         /* Reset when initting first time or we have a link. */
2375         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2376             !(mac_status & MAC_STATUS_PCS_SYNCED))
2377                 return;
2378
2379         /* Set PLL lock range. */
2380         tg3_writephy(tp, 0x16, 0x8007);
2381
2382         /* SW reset */
2383         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2384
2385         /* Wait for reset to complete. */
2386         /* XXX schedule_timeout() ... */
2387         for (i = 0; i < 500; i++)
2388                 udelay(10);
2389
2390         /* Config mode; select PMA/Ch 1 regs. */
2391         tg3_writephy(tp, 0x10, 0x8411);
2392
2393         /* Enable auto-lock and comdet, select txclk for tx. */
2394         tg3_writephy(tp, 0x11, 0x0a10);
2395
2396         tg3_writephy(tp, 0x18, 0x00a0);
2397         tg3_writephy(tp, 0x16, 0x41ff);
2398
2399         /* Assert and deassert POR. */
2400         tg3_writephy(tp, 0x13, 0x0400);
2401         udelay(40);
2402         tg3_writephy(tp, 0x13, 0x0000);
2403
2404         tg3_writephy(tp, 0x11, 0x0a50);
2405         udelay(40);
2406         tg3_writephy(tp, 0x11, 0x0a10);
2407
2408         /* Wait for signal to stabilize */
2409         /* XXX schedule_timeout() ... */
2410         for (i = 0; i < 15000; i++)
2411                 udelay(10);
2412
2413         /* Deselect the channel register so we can read the PHYID
2414          * later.
2415          */
2416         tg3_writephy(tp, 0x10, 0x8011);
2417 }
2418
2419 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2420 {
2421         u32 sg_dig_ctrl, sg_dig_status;
2422         u32 serdes_cfg, expected_sg_dig_ctrl;
2423         int workaround, port_a;
2424         int current_link_up;
2425
2426         serdes_cfg = 0;
2427         expected_sg_dig_ctrl = 0;
2428         workaround = 0;
2429         port_a = 1;
2430         current_link_up = 0;
2431
2432         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2433             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2434                 workaround = 1;
2435                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2436                         port_a = 0;
2437
2438                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2439                 /* preserve bits 20-23 for voltage regulator */
2440                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2441         }
2442
2443         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2444
2445         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2446                 if (sg_dig_ctrl & (1 << 31)) {
2447                         if (workaround) {
2448                                 u32 val = serdes_cfg;
2449
2450                                 if (port_a)
2451                                         val |= 0xc010000;
2452                                 else
2453                                         val |= 0x4010000;
2454                                 tw32_f(MAC_SERDES_CFG, val);
2455                         }
2456                         tw32_f(SG_DIG_CTRL, 0x01388400);
2457                 }
2458                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2459                         tg3_setup_flow_control(tp, 0, 0);
2460                         current_link_up = 1;
2461                 }
2462                 goto out;
2463         }
2464
2465         /* Want auto-negotiation.  */
2466         expected_sg_dig_ctrl = 0x81388400;
2467
2468         /* Pause capability */
2469         expected_sg_dig_ctrl |= (1 << 11);
2470
2471         /* Asymettric pause */
2472         expected_sg_dig_ctrl |= (1 << 12);
2473
2474         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2475                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2476                     tp->serdes_counter &&
2477                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2478                                     MAC_STATUS_RCVD_CFG)) ==
2479                      MAC_STATUS_PCS_SYNCED)) {
2480                         tp->serdes_counter--;
2481                         current_link_up = 1;
2482                         goto out;
2483                 }
2484 restart_autoneg:
2485                 if (workaround)
2486                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2487                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2488                 udelay(5);
2489                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2490
2491                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2492                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2493         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2494                                  MAC_STATUS_SIGNAL_DET)) {
2495                 sg_dig_status = tr32(SG_DIG_STATUS);
2496                 mac_status = tr32(MAC_STATUS);
2497
2498                 if ((sg_dig_status & (1 << 1)) &&
2499                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2500                         u32 local_adv, remote_adv;
2501
2502                         local_adv = ADVERTISE_PAUSE_CAP;
2503                         remote_adv = 0;
2504                         if (sg_dig_status & (1 << 19))
2505                                 remote_adv |= LPA_PAUSE_CAP;
2506                         if (sg_dig_status & (1 << 20))
2507                                 remote_adv |= LPA_PAUSE_ASYM;
2508
2509                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2510                         current_link_up = 1;
2511                         tp->serdes_counter = 0;
2512                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2513                 } else if (!(sg_dig_status & (1 << 1))) {
2514                         if (tp->serdes_counter)
2515                                 tp->serdes_counter--;
2516                         else {
2517                                 if (workaround) {
2518                                         u32 val = serdes_cfg;
2519
2520                                         if (port_a)
2521                                                 val |= 0xc010000;
2522                                         else
2523                                                 val |= 0x4010000;
2524
2525                                         tw32_f(MAC_SERDES_CFG, val);
2526                                 }
2527
2528                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2529                                 udelay(40);
2530
2531                                 /* Link parallel detection - link is up */
2532                                 /* only if we have PCS_SYNC and not */
2533                                 /* receiving config code words */
2534                                 mac_status = tr32(MAC_STATUS);
2535                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2536                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2537                                         tg3_setup_flow_control(tp, 0, 0);
2538                                         current_link_up = 1;
2539                                         tp->tg3_flags2 |=
2540                                                 TG3_FLG2_PARALLEL_DETECT;
2541                                         tp->serdes_counter =
2542                                                 SERDES_PARALLEL_DET_TIMEOUT;
2543                                 } else
2544                                         goto restart_autoneg;
2545                         }
2546                 }
2547         } else {
2548                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2549                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2550         }
2551
2552 out:
2553         return current_link_up;
2554 }
2555
2556 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2557 {
2558         int current_link_up = 0;
2559
2560         if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2561                 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2562                 goto out;
2563         }
2564
2565         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2566                 u32 flags;
2567                 int i;
2568
2569                 if (fiber_autoneg(tp, &flags)) {
2570                         u32 local_adv, remote_adv;
2571
2572                         local_adv = ADVERTISE_PAUSE_CAP;
2573                         remote_adv = 0;
2574                         if (flags & MR_LP_ADV_SYM_PAUSE)
2575                                 remote_adv |= LPA_PAUSE_CAP;
2576                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2577                                 remote_adv |= LPA_PAUSE_ASYM;
2578
2579                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2580
2581                         tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2582                         current_link_up = 1;
2583                 }
2584                 for (i = 0; i < 30; i++) {
2585                         udelay(20);
2586                         tw32_f(MAC_STATUS,
2587                                (MAC_STATUS_SYNC_CHANGED |
2588                                 MAC_STATUS_CFG_CHANGED));
2589                         udelay(40);
2590                         if ((tr32(MAC_STATUS) &
2591                              (MAC_STATUS_SYNC_CHANGED |
2592                               MAC_STATUS_CFG_CHANGED)) == 0)
2593                                 break;
2594                 }
2595
2596                 mac_status = tr32(MAC_STATUS);
2597                 if (current_link_up == 0 &&
2598                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2599                     !(mac_status & MAC_STATUS_RCVD_CFG))
2600                         current_link_up = 1;
2601         } else {
2602                 /* Forcing 1000FD link up. */
2603                 current_link_up = 1;
2604                 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2605
2606                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2607                 udelay(40);
2608         }
2609
2610 out:
2611         return current_link_up;
2612 }
2613
2614 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2615 {
2616         u32 orig_pause_cfg;
2617         u16 orig_active_speed;
2618         u8 orig_active_duplex;
2619         u32 mac_status;
2620         int current_link_up;
2621         int i;
2622
2623         orig_pause_cfg =
2624                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2625                                   TG3_FLAG_TX_PAUSE));
2626         orig_active_speed = tp->link_config.active_speed;
2627         orig_active_duplex = tp->link_config.active_duplex;
2628
2629         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2630             netif_carrier_ok(tp->dev) &&
2631             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2632                 mac_status = tr32(MAC_STATUS);
2633                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2634                                MAC_STATUS_SIGNAL_DET |
2635                                MAC_STATUS_CFG_CHANGED |
2636                                MAC_STATUS_RCVD_CFG);
2637                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2638                                    MAC_STATUS_SIGNAL_DET)) {
2639                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2640                                             MAC_STATUS_CFG_CHANGED));
2641                         return 0;
2642                 }
2643         }
2644
2645         tw32_f(MAC_TX_AUTO_NEG, 0);
2646
2647         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2648         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2649         tw32_f(MAC_MODE, tp->mac_mode);
2650         udelay(40);
2651
2652         if (tp->phy_id == PHY_ID_BCM8002)
2653                 tg3_init_bcm8002(tp);
2654
2655         /* Enable link change event even when serdes polling.  */
2656         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2657         udelay(40);
2658
2659         current_link_up = 0;
2660         mac_status = tr32(MAC_STATUS);
2661
2662         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2663                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2664         else
2665                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2666
2667         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2668         tw32_f(MAC_MODE, tp->mac_mode);
2669         udelay(40);
2670
2671         tp->hw_status->status =
2672                 (SD_STATUS_UPDATED |
2673                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2674
2675         for (i = 0; i < 100; i++) {
2676                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2677                                     MAC_STATUS_CFG_CHANGED));
2678                 udelay(5);
2679                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2680                                          MAC_STATUS_CFG_CHANGED |
2681                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2682                         break;
2683         }
2684
2685         mac_status = tr32(MAC_STATUS);
2686         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2687                 current_link_up = 0;
2688                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2689                     tp->serdes_counter == 0) {
2690                         tw32_f(MAC_MODE, (tp->mac_mode |
2691                                           MAC_MODE_SEND_CONFIGS));
2692                         udelay(1);
2693                         tw32_f(MAC_MODE, tp->mac_mode);
2694                 }
2695         }
2696
2697         if (current_link_up == 1) {
2698                 tp->link_config.active_speed = SPEED_1000;
2699                 tp->link_config.active_duplex = DUPLEX_FULL;
2700                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2701                                     LED_CTRL_LNKLED_OVERRIDE |
2702                                     LED_CTRL_1000MBPS_ON));
2703         } else {
2704                 tp->link_config.active_speed = SPEED_INVALID;
2705                 tp->link_config.active_duplex = DUPLEX_INVALID;
2706                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2707                                     LED_CTRL_LNKLED_OVERRIDE |
2708                                     LED_CTRL_TRAFFIC_OVERRIDE));
2709         }
2710
2711         if (current_link_up != netif_carrier_ok(tp->dev)) {
2712                 if (current_link_up)
2713                         netif_carrier_on(tp->dev);
2714                 else
2715                         netif_carrier_off(tp->dev);
2716                 tg3_link_report(tp);
2717         } else {
2718                 u32 now_pause_cfg =
2719                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2720                                          TG3_FLAG_TX_PAUSE);
2721                 if (orig_pause_cfg != now_pause_cfg ||
2722                     orig_active_speed != tp->link_config.active_speed ||
2723                     orig_active_duplex != tp->link_config.active_duplex)
2724                         tg3_link_report(tp);
2725         }
2726
2727         return 0;
2728 }
2729
2730 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2731 {
2732         int current_link_up, err = 0;
2733         u32 bmsr, bmcr;
2734         u16 current_speed;
2735         u8 current_duplex;
2736
2737         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2738         tw32_f(MAC_MODE, tp->mac_mode);
2739         udelay(40);
2740
2741         tw32(MAC_EVENT, 0);
2742
2743         tw32_f(MAC_STATUS,
2744              (MAC_STATUS_SYNC_CHANGED |
2745               MAC_STATUS_CFG_CHANGED |
2746               MAC_STATUS_MI_COMPLETION |
2747               MAC_STATUS_LNKSTATE_CHANGED));
2748         udelay(40);
2749
2750         if (force_reset)
2751                 tg3_phy_reset(tp);
2752
2753         current_link_up = 0;
2754         current_speed = SPEED_INVALID;
2755         current_duplex = DUPLEX_INVALID;
2756
2757         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2758         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2759         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2760                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2761                         bmsr |= BMSR_LSTATUS;
2762                 else
2763                         bmsr &= ~BMSR_LSTATUS;
2764         }
2765
2766         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2767
2768         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2769             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2770                 /* do nothing, just check for link up at the end */
2771         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2772                 u32 adv, new_adv;
2773
2774                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2775                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2776                                   ADVERTISE_1000XPAUSE |
2777                                   ADVERTISE_1000XPSE_ASYM |
2778                                   ADVERTISE_SLCT);
2779
2780                 /* Always advertise symmetric PAUSE just like copper */
2781                 new_adv |= ADVERTISE_1000XPAUSE;
2782
2783                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2784                         new_adv |= ADVERTISE_1000XHALF;
2785                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2786                         new_adv |= ADVERTISE_1000XFULL;
2787
2788                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2789                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2790                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2791                         tg3_writephy(tp, MII_BMCR, bmcr);
2792
2793                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2794                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2795                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2796
2797                         return err;
2798                 }
2799         } else {
2800                 u32 new_bmcr;
2801
2802                 bmcr &= ~BMCR_SPEED1000;
2803                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2804
2805                 if (tp->link_config.duplex == DUPLEX_FULL)
2806                         new_bmcr |= BMCR_FULLDPLX;
2807
2808                 if (new_bmcr != bmcr) {
2809                         /* BMCR_SPEED1000 is a reserved bit that needs
2810                          * to be set on write.
2811                          */
2812                         new_bmcr |= BMCR_SPEED1000;
2813
2814                         /* Force a linkdown */
2815                         if (netif_carrier_ok(tp->dev)) {
2816                                 u32 adv;
2817
2818                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2819                                 adv &= ~(ADVERTISE_1000XFULL |
2820                                          ADVERTISE_1000XHALF |
2821                                          ADVERTISE_SLCT);
2822                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2823                                 tg3_writephy(tp, MII_BMCR, bmcr |
2824                                                            BMCR_ANRESTART |
2825                                                            BMCR_ANENABLE);
2826                                 udelay(10);
2827                                 netif_carrier_off(tp->dev);
2828                         }
2829                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2830                         bmcr = new_bmcr;
2831                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2832                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2833                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2834                             ASIC_REV_5714) {
2835                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2836                                         bmsr |= BMSR_LSTATUS;
2837                                 else
2838                                         bmsr &= ~BMSR_LSTATUS;
2839                         }
2840                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2841                 }
2842         }
2843
2844         if (bmsr & BMSR_LSTATUS) {
2845                 current_speed = SPEED_1000;
2846                 current_link_up = 1;
2847                 if (bmcr & BMCR_FULLDPLX)
2848                         current_duplex = DUPLEX_FULL;
2849                 else
2850                         current_duplex = DUPLEX_HALF;
2851
2852                 if (bmcr & BMCR_ANENABLE) {
2853                         u32 local_adv, remote_adv, common;
2854
2855                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2856                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2857                         common = local_adv & remote_adv;
2858                         if (common & (ADVERTISE_1000XHALF |
2859                                       ADVERTISE_1000XFULL)) {
2860                                 if (common & ADVERTISE_1000XFULL)
2861                                         current_duplex = DUPLEX_FULL;
2862                                 else
2863                                         current_duplex = DUPLEX_HALF;
2864
2865                                 tg3_setup_flow_control(tp, local_adv,
2866                                                        remote_adv);
2867                         }
2868                         else
2869                                 current_link_up = 0;
2870                 }
2871         }
2872
2873         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2874         if (tp->link_config.active_duplex == DUPLEX_HALF)
2875                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2876
2877         tw32_f(MAC_MODE, tp->mac_mode);
2878         udelay(40);
2879
2880         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2881
2882         tp->link_config.active_speed = current_speed;
2883         tp->link_config.active_duplex = current_duplex;
2884
2885         if (current_link_up != netif_carrier_ok(tp->dev)) {
2886                 if (current_link_up)
2887                         netif_carrier_on(tp->dev);
2888                 else {
2889                         netif_carrier_off(tp->dev);
2890                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2891                 }
2892                 tg3_link_report(tp);
2893         }
2894         return err;
2895 }
2896
2897 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2898 {
2899         if (tp->serdes_counter) {
2900                 /* Give autoneg time to complete. */
2901                 tp->serdes_counter--;
2902                 return;
2903         }
2904         if (!netif_carrier_ok(tp->dev) &&
2905             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2906                 u32 bmcr;
2907
2908                 tg3_readphy(tp, MII_BMCR, &bmcr);
2909                 if (bmcr & BMCR_ANENABLE) {
2910                         u32 phy1, phy2;
2911
2912                         /* Select shadow register 0x1f */
2913                         tg3_writephy(tp, 0x1c, 0x7c00);
2914                         tg3_readphy(tp, 0x1c, &phy1);
2915
2916                         /* Select expansion interrupt status register */
2917                         tg3_writephy(tp, 0x17, 0x0f01);
2918                         tg3_readphy(tp, 0x15, &phy2);
2919                         tg3_readphy(tp, 0x15, &phy2);
2920
2921                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2922                                 /* We have signal detect and not receiving
2923                                  * config code words, link is up by parallel
2924                                  * detection.
2925                                  */
2926
2927                                 bmcr &= ~BMCR_ANENABLE;
2928                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2929                                 tg3_writephy(tp, MII_BMCR, bmcr);
2930                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2931                         }
2932                 }
2933         }
2934         else if (netif_carrier_ok(tp->dev) &&
2935                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2936                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2937                 u32 phy2;
2938
2939                 /* Select expansion interrupt status register */
2940                 tg3_writephy(tp, 0x17, 0x0f01);
2941                 tg3_readphy(tp, 0x15, &phy2);
2942                 if (phy2 & 0x20) {
2943                         u32 bmcr;
2944
2945                         /* Config code words received, turn on autoneg. */
2946                         tg3_readphy(tp, MII_BMCR, &bmcr);
2947                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2948
2949                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2950
2951                 }
2952         }
2953 }
2954
2955 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2956 {
2957         int err;
2958
2959         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2960                 err = tg3_setup_fiber_phy(tp, force_reset);
2961         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2962                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
2963         } else {
2964                 err = tg3_setup_copper_phy(tp, force_reset);
2965         }
2966
2967         if (tp->link_config.active_speed == SPEED_1000 &&
2968             tp->link_config.active_duplex == DUPLEX_HALF)
2969                 tw32(MAC_TX_LENGTHS,
2970                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2971                       (6 << TX_LENGTHS_IPG_SHIFT) |
2972                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2973         else
2974                 tw32(MAC_TX_LENGTHS,
2975                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2976                       (6 << TX_LENGTHS_IPG_SHIFT) |
2977                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2978
2979         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2980                 if (netif_carrier_ok(tp->dev)) {
2981                         tw32(HOSTCC_STAT_COAL_TICKS,
2982                              tp->coal.stats_block_coalesce_usecs);
2983                 } else {
2984                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
2985                 }
2986         }
2987
2988         return err;
2989 }
2990
2991 /* This is called whenever we suspect that the system chipset is re-
2992  * ordering the sequence of MMIO to the tx send mailbox. The symptom
2993  * is bogus tx completions. We try to recover by setting the
2994  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
2995  * in the workqueue.
2996  */
2997 static void tg3_tx_recover(struct tg3 *tp)
2998 {
2999         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3000                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3001
3002         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3003                "mapped I/O cycles to the network device, attempting to "
3004                "recover. Please report the problem to the driver maintainer "
3005                "and include system chipset information.\n", tp->dev->name);
3006
3007         spin_lock(&tp->lock);
3008         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3009         spin_unlock(&tp->lock);
3010 }
3011
3012 static inline u32 tg3_tx_avail(struct tg3 *tp)
3013 {
3014         smp_mb();
3015         return (tp->tx_pending -
3016                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3017 }
3018
3019 /* Tigon3 never reports partial packet sends.  So we do not
3020  * need special logic to handle SKBs that have not had all
3021  * of their frags sent yet, like SunGEM does.
3022  */
3023 static void tg3_tx(struct tg3 *tp)
3024 {
3025         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3026         u32 sw_idx = tp->tx_cons;
3027
3028         while (sw_idx != hw_idx) {
3029                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3030                 struct sk_buff *skb = ri->skb;
3031                 int i, tx_bug = 0;
3032
3033                 if (unlikely(skb == NULL)) {
3034                         tg3_tx_recover(tp);
3035                         return;
3036                 }
3037
3038                 pci_unmap_single(tp->pdev,
3039                                  pci_unmap_addr(ri, mapping),
3040                                  skb_headlen(skb),
3041                                  PCI_DMA_TODEVICE);
3042
3043                 ri->skb = NULL;
3044
3045                 sw_idx = NEXT_TX(sw_idx);
3046
3047                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3048                         ri = &tp->tx_buffers[sw_idx];
3049                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3050                                 tx_bug = 1;
3051
3052                         pci_unmap_page(tp->pdev,
3053                                        pci_unmap_addr(ri, mapping),
3054                                        skb_shinfo(skb)->frags[i].size,
3055                                        PCI_DMA_TODEVICE);
3056
3057                         sw_idx = NEXT_TX(sw_idx);
3058                 }
3059
3060                 dev_kfree_skb(skb);
3061
3062                 if (unlikely(tx_bug)) {
3063                         tg3_tx_recover(tp);
3064                         return;
3065                 }
3066         }
3067
3068         tp->tx_cons = sw_idx;
3069
3070         /* Need to make the tx_cons update visible to tg3_start_xmit()
3071          * before checking for netif_queue_stopped().  Without the
3072          * memory barrier, there is a small possibility that tg3_start_xmit()
3073          * will miss it and cause the queue to be stopped forever.
3074          */
3075         smp_mb();
3076
3077         if (unlikely(netif_queue_stopped(tp->dev) &&
3078                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
3079                 netif_tx_lock(tp->dev);
3080                 if (netif_queue_stopped(tp->dev) &&
3081                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
3082                         netif_wake_queue(tp->dev);
3083                 netif_tx_unlock(tp->dev);
3084         }
3085 }
3086
3087 /* Returns size of skb allocated or < 0 on error.
3088  *
3089  * We only need to fill in the address because the other members
3090  * of the RX descriptor are invariant, see tg3_init_rings.
3091  *
3092  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3093  * posting buffers we only dirty the first cache line of the RX
3094  * descriptor (containing the address).  Whereas for the RX status
3095  * buffers the cpu only reads the last cacheline of the RX descriptor
3096  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3097  */
3098 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3099                             int src_idx, u32 dest_idx_unmasked)
3100 {
3101         struct tg3_rx_buffer_desc *desc;
3102         struct ring_info *map, *src_map;
3103         struct sk_buff *skb;
3104         dma_addr_t mapping;
3105         int skb_size, dest_idx;
3106
3107         src_map = NULL;
3108         switch (opaque_key) {
3109         case RXD_OPAQUE_RING_STD:
3110                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3111                 desc = &tp->rx_std[dest_idx];
3112                 map = &tp->rx_std_buffers[dest_idx];
3113                 if (src_idx >= 0)
3114                         src_map = &tp->rx_std_buffers[src_idx];
3115                 skb_size = tp->rx_pkt_buf_sz;
3116                 break;
3117
3118         case RXD_OPAQUE_RING_JUMBO:
3119                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3120                 desc = &tp->rx_jumbo[dest_idx];
3121                 map = &tp->rx_jumbo_buffers[dest_idx];
3122                 if (src_idx >= 0)
3123                         src_map = &tp->rx_jumbo_buffers[src_idx];
3124                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3125                 break;
3126
3127         default:
3128                 return -EINVAL;
3129         };
3130
3131         /* Do not overwrite any of the map or rp information
3132          * until we are sure we can commit to a new buffer.
3133          *
3134          * Callers depend upon this behavior and assume that
3135          * we leave everything unchanged if we fail.
3136          */
3137         skb = netdev_alloc_skb(tp->dev, skb_size);
3138         if (skb == NULL)
3139                 return -ENOMEM;
3140
3141         skb_reserve(skb, tp->rx_offset);
3142
3143         mapping = pci_map_single(tp->pdev, skb->data,
3144                                  skb_size - tp->rx_offset,
3145                                  PCI_DMA_FROMDEVICE);
3146
3147         map->skb = skb;
3148         pci_unmap_addr_set(map, mapping, mapping);
3149
3150         if (src_map != NULL)
3151                 src_map->skb = NULL;
3152
3153         desc->addr_hi = ((u64)mapping >> 32);
3154         desc->addr_lo = ((u64)mapping & 0xffffffff);
3155
3156         return skb_size;
3157 }
3158
3159 /* We only need to move over in the address because the other
3160  * members of the RX descriptor are invariant.  See notes above
3161  * tg3_alloc_rx_skb for full details.
3162  */
3163 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3164                            int src_idx, u32 dest_idx_unmasked)
3165 {
3166         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3167         struct ring_info *src_map, *dest_map;
3168         int dest_idx;
3169
3170         switch (opaque_key) {
3171         case RXD_OPAQUE_RING_STD:
3172                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3173                 dest_desc = &tp->rx_std[dest_idx];
3174                 dest_map = &tp->rx_std_buffers[dest_idx];
3175                 src_desc = &tp->rx_std[src_idx];
3176                 src_map = &tp->rx_std_buffers[src_idx];
3177                 break;
3178
3179         case RXD_OPAQUE_RING_JUMBO:
3180                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3181                 dest_desc = &tp->rx_jumbo[dest_idx];
3182                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3183                 src_desc = &tp->rx_jumbo[src_idx];
3184                 src_map = &tp->rx_jumbo_buffers[src_idx];
3185                 break;
3186
3187         default:
3188                 return;
3189         };
3190
3191         dest_map->skb = src_map->skb;
3192         pci_unmap_addr_set(dest_map, mapping,
3193                            pci_unmap_addr(src_map, mapping));
3194         dest_desc->addr_hi = src_desc->addr_hi;
3195         dest_desc->addr_lo = src_desc->addr_lo;
3196
3197         src_map->skb = NULL;
3198 }
3199
3200 #if TG3_VLAN_TAG_USED
3201 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3202 {
3203         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3204 }
3205 #endif
3206
3207 /* The RX ring scheme is composed of multiple rings which post fresh
3208  * buffers to the chip, and one special ring the chip uses to report
3209  * status back to the host.
3210  *
3211  * The special ring reports the status of received packets to the
3212  * host.  The chip does not write into the original descriptor the
3213  * RX buffer was obtained from.  The chip simply takes the original
3214  * descriptor as provided by the host, updates the status and length
3215  * field, then writes this into the next status ring entry.
3216  *
3217  * Each ring the host uses to post buffers to the chip is described
3218  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3219  * it is first placed into the on-chip ram.  When the packet's length
3220  * is known, it walks down the TG3_BDINFO entries to select the ring.
3221  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3222  * which is within the range of the new packet's length is chosen.
3223  *
3224  * The "separate ring for rx status" scheme may sound queer, but it makes
3225  * sense from a cache coherency perspective.  If only the host writes
3226  * to the buffer post rings, and only the chip writes to the rx status
3227  * rings, then cache lines never move beyond shared-modified state.
3228  * If both the host and chip were to write into the same ring, cache line
3229  * eviction could occur since both entities want it in an exclusive state.
3230  */
3231 static int tg3_rx(struct tg3 *tp, int budget)
3232 {
3233         u32 work_mask, rx_std_posted = 0;
3234         u32 sw_idx = tp->rx_rcb_ptr;
3235         u16 hw_idx;
3236         int received;
3237
3238         hw_idx = tp->hw_status->idx[0].rx_producer;
3239         /*
3240          * We need to order the read of hw_idx and the read of
3241          * the opaque cookie.
3242          */
3243         rmb();
3244         work_mask = 0;
3245         received = 0;
3246         while (sw_idx != hw_idx && budget > 0) {
3247                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3248                 unsigned int len;
3249                 struct sk_buff *skb;
3250                 dma_addr_t dma_addr;
3251                 u32 opaque_key, desc_idx, *post_ptr;
3252
3253                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3254                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3255                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3256                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3257                                                   mapping);
3258                         skb = tp->rx_std_buffers[desc_idx].skb;
3259                         post_ptr = &tp->rx_std_ptr;
3260                         rx_std_posted++;
3261                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3262                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3263                                                   mapping);
3264                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3265                         post_ptr = &tp->rx_jumbo_ptr;
3266                 }
3267                 else {
3268                         goto next_pkt_nopost;
3269                 }
3270
3271                 work_mask |= opaque_key;
3272
3273                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3274                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3275                 drop_it:
3276                         tg3_recycle_rx(tp, opaque_key,
3277                                        desc_idx, *post_ptr);
3278                 drop_it_no_recycle:
3279                         /* Other statistics kept track of by card. */
3280                         tp->net_stats.rx_dropped++;
3281                         goto next_pkt;
3282                 }
3283
3284                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3285
3286                 if (len > RX_COPY_THRESHOLD
3287                         && tp->rx_offset == 2
3288                         /* rx_offset != 2 iff this is a 5701 card running
3289                          * in PCI-X mode [see tg3_get_invariants()] */
3290                 ) {
3291                         int skb_size;
3292
3293                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3294                                                     desc_idx, *post_ptr);
3295                         if (skb_size < 0)
3296                                 goto drop_it;
3297
3298                         pci_unmap_single(tp->pdev, dma_addr,
3299                                          skb_size - tp->rx_offset,
3300                                          PCI_DMA_FROMDEVICE);
3301
3302                         skb_put(skb, len);
3303                 } else {
3304                         struct sk_buff *copy_skb;
3305
3306                         tg3_recycle_rx(tp, opaque_key,
3307                                        desc_idx, *post_ptr);
3308
3309                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3310                         if (copy_skb == NULL)
3311                                 goto drop_it_no_recycle;
3312
3313                         skb_reserve(copy_skb, 2);
3314                         skb_put(copy_skb, len);
3315                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3316                         memcpy(copy_skb->data, skb->data, len);
3317                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3318
3319                         /* We'll reuse the original ring buffer. */
3320                         skb = copy_skb;
3321                 }
3322
3323                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3324                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3325                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3326                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3327                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3328                 else
3329                         skb->ip_summed = CHECKSUM_NONE;
3330
3331                 skb->protocol = eth_type_trans(skb, tp->dev);
3332 #if TG3_VLAN_TAG_USED
3333                 if (tp->vlgrp != NULL &&
3334                     desc->type_flags & RXD_FLAG_VLAN) {
3335                         tg3_vlan_rx(tp, skb,
3336                                     desc->err_vlan & RXD_VLAN_MASK);
3337                 } else
3338 #endif
3339                         netif_receive_skb(skb);
3340
3341                 tp->dev->last_rx = jiffies;
3342                 received++;
3343                 budget--;
3344
3345 next_pkt:
3346                 (*post_ptr)++;
3347
3348                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3349                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3350
3351                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3352                                      TG3_64BIT_REG_LOW, idx);
3353                         work_mask &= ~RXD_OPAQUE_RING_STD;
3354                         rx_std_posted = 0;
3355                 }
3356 next_pkt_nopost:
3357                 sw_idx++;
3358                 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
3359
3360                 /* Refresh hw_idx to see if there is new work */
3361                 if (sw_idx == hw_idx) {
3362                         hw_idx = tp->hw_status->idx[0].rx_producer;
3363                         rmb();
3364                 }
3365         }
3366
3367         /* ACK the status ring. */
3368         tp->rx_rcb_ptr = sw_idx;
3369         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3370
3371         /* Refill RX ring(s). */
3372         if (work_mask & RXD_OPAQUE_RING_STD) {
3373                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3374                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3375                              sw_idx);
3376         }
3377         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3378                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3379                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3380                              sw_idx);
3381         }
3382         mmiowb();
3383
3384         return received;
3385 }
3386
3387 static int tg3_poll(struct net_device *netdev, int *budget)
3388 {
3389         struct tg3 *tp = netdev_priv(netdev);
3390         struct tg3_hw_status *sblk = tp->hw_status;
3391         int done;
3392
3393         /* handle link change and other phy events */
3394         if (!(tp->tg3_flags &
3395               (TG3_FLAG_USE_LINKCHG_REG |
3396                TG3_FLAG_POLL_SERDES))) {
3397                 if (sblk->status & SD_STATUS_LINK_CHG) {
3398                         sblk->status = SD_STATUS_UPDATED |
3399                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3400                         spin_lock(&tp->lock);
3401                         tg3_setup_phy(tp, 0);
3402                         spin_unlock(&tp->lock);
3403                 }
3404         }
3405
3406         /* run TX completion thread */
3407         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3408                 tg3_tx(tp);
3409                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3410                         netif_rx_complete(netdev);
3411                         schedule_work(&tp->reset_task);
3412                         return 0;
3413                 }
3414         }
3415
3416         /* run RX thread, within the bounds set by NAPI.
3417          * All RX "locking" is done by ensuring outside
3418          * code synchronizes with dev->poll()
3419          */
3420         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3421                 int orig_budget = *budget;
3422                 int work_done;
3423
3424                 if (orig_budget > netdev->quota)
3425                         orig_budget = netdev->quota;
3426
3427                 work_done = tg3_rx(tp, orig_budget);
3428
3429                 *budget -= work_done;
3430                 netdev->quota -= work_done;
3431         }
3432
3433         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3434                 tp->last_tag = sblk->status_tag;
3435                 rmb();
3436         } else
3437                 sblk->status &= ~SD_STATUS_UPDATED;
3438
3439         /* if no more work, tell net stack and NIC we're done */
3440         done = !tg3_has_work(tp);
3441         if (done) {
3442                 netif_rx_complete(netdev);
3443                 tg3_restart_ints(tp);
3444         }
3445
3446         return (done ? 0 : 1);
3447 }
3448
3449 static void tg3_irq_quiesce(struct tg3 *tp)
3450 {
3451         BUG_ON(tp->irq_sync);
3452
3453         tp->irq_sync = 1;
3454         smp_mb();
3455
3456         synchronize_irq(tp->pdev->irq);
3457 }
3458
3459 static inline int tg3_irq_sync(struct tg3 *tp)
3460 {
3461         return tp->irq_sync;
3462 }
3463
3464 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3465  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3466  * with as well.  Most of the time, this is not necessary except when
3467  * shutting down the device.
3468  */
3469 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3470 {
3471         if (irq_sync)
3472                 tg3_irq_quiesce(tp);
3473         spin_lock_bh(&tp->lock);
3474 }
3475
3476 static inline void tg3_full_unlock(struct tg3 *tp)
3477 {
3478         spin_unlock_bh(&tp->lock);
3479 }
3480
3481 /* One-shot MSI handler - Chip automatically disables interrupt
3482  * after sending MSI so driver doesn't have to do it.
3483  */
3484 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3485 {
3486         struct net_device *dev = dev_id;
3487         struct tg3 *tp = netdev_priv(dev);
3488
3489         prefetch(tp->hw_status);
3490         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3491
3492         if (likely(!tg3_irq_sync(tp)))
3493                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3494
3495         return IRQ_HANDLED;
3496 }
3497
3498 /* MSI ISR - No need to check for interrupt sharing and no need to
3499  * flush status block and interrupt mailbox. PCI ordering rules
3500  * guarantee that MSI will arrive after the status block.
3501  */
3502 static irqreturn_t tg3_msi(int irq, void *dev_id)
3503 {
3504         struct net_device *dev = dev_id;
3505         struct tg3 *tp = netdev_priv(dev);
3506
3507         prefetch(tp->hw_status);
3508         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3509         /*
3510          * Writing any value to intr-mbox-0 clears PCI INTA# and
3511          * chip-internal interrupt pending events.
3512          * Writing non-zero to intr-mbox-0 additional tells the
3513          * NIC to stop sending us irqs, engaging "in-intr-handler"
3514          * event coalescing.
3515          */
3516         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3517         if (likely(!tg3_irq_sync(tp)))
3518                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3519
3520         return IRQ_RETVAL(1);
3521 }
3522
3523 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3524 {
3525         struct net_device *dev = dev_id;
3526         struct tg3 *tp = netdev_priv(dev);
3527         struct tg3_hw_status *sblk = tp->hw_status;
3528         unsigned int handled = 1;
3529
3530         /* In INTx mode, it is possible for the interrupt to arrive at
3531          * the CPU before the status block posted prior to the interrupt.
3532          * Reading the PCI State register will confirm whether the
3533          * interrupt is ours and will flush the status block.
3534          */
3535         if ((sblk->status & SD_STATUS_UPDATED) ||
3536             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3537                 /*
3538                  * Writing any value to intr-mbox-0 clears PCI INTA# and
3539                  * chip-internal interrupt pending events.
3540                  * Writing non-zero to intr-mbox-0 additional tells the
3541                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3542                  * event coalescing.
3543                  */
3544                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3545                              0x00000001);
3546                 if (tg3_irq_sync(tp))
3547                         goto out;
3548                 sblk->status &= ~SD_STATUS_UPDATED;
3549                 if (likely(tg3_has_work(tp))) {
3550                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3551                         netif_rx_schedule(dev);         /* schedule NAPI poll */
3552                 } else {
3553                         /* No work, shared interrupt perhaps?  re-enable
3554                          * interrupts, and flush that PCI write
3555                          */
3556                         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3557                                 0x00000000);
3558                 }
3559         } else {        /* shared interrupt */
3560                 handled = 0;
3561         }
3562 out:
3563         return IRQ_RETVAL(handled);
3564 }
3565
3566 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3567 {
3568         struct net_device *dev = dev_id;
3569         struct tg3 *tp = netdev_priv(dev);
3570         struct tg3_hw_status *sblk = tp->hw_status;
3571         unsigned int handled = 1;
3572
3573         /* In INTx mode, it is possible for the interrupt to arrive at
3574          * the CPU before the status block posted prior to the interrupt.
3575          * Reading the PCI State register will confirm whether the
3576          * interrupt is ours and will flush the status block.
3577          */
3578         if ((sblk->status_tag != tp->last_tag) ||
3579             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3580                 /*
3581                  * writing any value to intr-mbox-0 clears PCI INTA# and
3582                  * chip-internal interrupt pending events.
3583                  * writing non-zero to intr-mbox-0 additional tells the
3584                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3585                  * event coalescing.
3586                  */
3587                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3588                              0x00000001);
3589                 if (tg3_irq_sync(tp))
3590                         goto out;
3591                 if (netif_rx_schedule_prep(dev)) {
3592                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3593                         /* Update last_tag to mark that this status has been
3594                          * seen. Because interrupt may be shared, we may be
3595                          * racing with tg3_poll(), so only update last_tag
3596                          * if tg3_poll() is not scheduled.
3597                          */
3598                         tp->last_tag = sblk->status_tag;
3599                         __netif_rx_schedule(dev);
3600                 }
3601         } else {        /* shared interrupt */
3602                 handled = 0;
3603         }
3604 out:
3605         return IRQ_RETVAL(handled);
3606 }
3607
3608 /* ISR for interrupt test */
3609 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3610 {
3611         struct net_device *dev = dev_id;
3612         struct tg3 *tp = netdev_priv(dev);
3613         struct tg3_hw_status *sblk = tp->hw_status;
3614
3615         if ((sblk->status & SD_STATUS_UPDATED) ||
3616             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3617                 tg3_disable_ints(tp);
3618                 return IRQ_RETVAL(1);
3619         }
3620         return IRQ_RETVAL(0);
3621 }
3622
3623 static int tg3_init_hw(struct tg3 *, int);
3624 static int tg3_halt(struct tg3 *, int, int);
3625
3626 /* Restart hardware after configuration changes, self-test, etc.
3627  * Invoked with tp->lock held.
3628  */
3629 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3630 {
3631         int err;
3632
3633         err = tg3_init_hw(tp, reset_phy);
3634         if (err) {
3635                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3636                        "aborting.\n", tp->dev->name);
3637                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3638                 tg3_full_unlock(tp);
3639                 del_timer_sync(&tp->timer);
3640                 tp->irq_sync = 0;
3641                 netif_poll_enable(tp->dev);
3642                 dev_close(tp->dev);
3643                 tg3_full_lock(tp, 0);
3644         }
3645         return err;
3646 }
3647
3648 #ifdef CONFIG_NET_POLL_CONTROLLER
3649 static void tg3_poll_controller(struct net_device *dev)
3650 {
3651         struct tg3 *tp = netdev_priv(dev);
3652
3653         tg3_interrupt(tp->pdev->irq, dev);
3654 }
3655 #endif
3656
3657 static void tg3_reset_task(void *_data)
3658 {
3659         struct tg3 *tp = _data;
3660         unsigned int restart_timer;
3661
3662         tg3_full_lock(tp, 0);
3663         tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3664
3665         if (!netif_running(tp->dev)) {
3666                 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3667                 tg3_full_unlock(tp);
3668                 return;
3669         }
3670
3671         tg3_full_unlock(tp);
3672
3673         tg3_netif_stop(tp);
3674
3675         tg3_full_lock(tp, 1);
3676
3677         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3678         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3679
3680         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3681                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3682                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3683                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3684                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3685         }
3686
3687         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3688         if (tg3_init_hw(tp, 1))
3689                 goto out;
3690
3691         tg3_netif_start(tp);
3692
3693         if (restart_timer)
3694                 mod_timer(&tp->timer, jiffies + 1);
3695
3696 out:
3697         tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3698
3699         tg3_full_unlock(tp);
3700 }
3701
3702 static void tg3_tx_timeout(struct net_device *dev)
3703 {
3704         struct tg3 *tp = netdev_priv(dev);
3705
3706         printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3707                dev->name);
3708
3709         schedule_work(&tp->reset_task);
3710 }
3711
3712 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3713 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3714 {
3715         u32 base = (u32) mapping & 0xffffffff;
3716
3717         return ((base > 0xffffdcc0) &&
3718                 (base + len + 8 < base));
3719 }
3720
3721 /* Test for DMA addresses > 40-bit */
3722 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3723                                           int len)
3724 {
3725 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3726         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3727                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3728         return 0;
3729 #else
3730         return 0;
3731 #endif
3732 }
3733
3734 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3735
3736 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3737 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3738                                        u32 last_plus_one, u32 *start,
3739                                        u32 base_flags, u32 mss)
3740 {
3741         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3742         dma_addr_t new_addr = 0;
3743         u32 entry = *start;
3744         int i, ret = 0;
3745
3746         if (!new_skb) {
3747                 ret = -1;
3748         } else {
3749                 /* New SKB is guaranteed to be linear. */
3750                 entry = *start;
3751                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3752                                           PCI_DMA_TODEVICE);
3753                 /* Make sure new skb does not cross any 4G boundaries.
3754                  * Drop the packet if it does.
3755                  */
3756                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3757                         ret = -1;
3758                         dev_kfree_skb(new_skb);
3759                         new_skb = NULL;
3760                 } else {
3761                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3762                                     base_flags, 1 | (mss << 1));
3763                         *start = NEXT_TX(entry);
3764                 }
3765         }
3766
3767         /* Now clean up the sw ring entries. */
3768         i = 0;
3769         while (entry != last_plus_one) {
3770                 int len;
3771
3772                 if (i == 0)
3773                         len = skb_headlen(skb);
3774                 else
3775                         len = skb_shinfo(skb)->frags[i-1].size;
3776                 pci_unmap_single(tp->pdev,
3777                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3778                                  len, PCI_DMA_TODEVICE);
3779                 if (i == 0) {
3780                         tp->tx_buffers[entry].skb = new_skb;
3781                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3782                 } else {
3783                         tp->tx_buffers[entry].skb = NULL;
3784                 }
3785                 entry = NEXT_TX(entry);
3786                 i++;
3787         }
3788
3789         dev_kfree_skb(skb);
3790
3791         return ret;
3792 }
3793
3794 static void tg3_set_txd(struct tg3 *tp, int entry,
3795                         dma_addr_t mapping, int len, u32 flags,
3796                         u32 mss_and_is_end)
3797 {
3798         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3799         int is_end = (mss_and_is_end & 0x1);
3800         u32 mss = (mss_and_is_end >> 1);
3801         u32 vlan_tag = 0;
3802
3803         if (is_end)
3804                 flags |= TXD_FLAG_END;
3805         if (flags & TXD_FLAG_VLAN) {
3806                 vlan_tag = flags >> 16;
3807                 flags &= 0xffff;
3808         }
3809         vlan_tag |= (mss << TXD_MSS_SHIFT);
3810
3811         txd->addr_hi = ((u64) mapping >> 32);
3812         txd->addr_lo = ((u64) mapping & 0xffffffff);
3813         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3814         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3815 }
3816
3817 /* hard_start_xmit for devices that don't have any bugs and
3818  * support TG3_FLG2_HW_TSO_2 only.
3819  */
3820 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3821 {
3822         struct tg3 *tp = netdev_priv(dev);
3823         dma_addr_t mapping;
3824         u32 len, entry, base_flags, mss;
3825
3826         len = skb_headlen(skb);
3827
3828         /* We are running in BH disabled context with netif_tx_lock
3829          * and TX reclaim runs via tp->poll inside of a software
3830          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3831          * no IRQ context deadlocks to worry about either.  Rejoice!
3832          */
3833         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3834                 if (!netif_queue_stopped(dev)) {
3835                         netif_stop_queue(dev);
3836
3837                         /* This is a hard error, log it. */
3838                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3839                                "queue awake!\n", dev->name);
3840                 }
3841                 return NETDEV_TX_BUSY;
3842         }
3843
3844         entry = tp->tx_prod;
3845         base_flags = 0;
3846 #if TG3_TSO_SUPPORT != 0
3847         mss = 0;
3848         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3849             (mss = skb_shinfo(skb)->gso_size) != 0) {
3850                 int tcp_opt_len, ip_tcp_len;
3851
3852                 if (skb_header_cloned(skb) &&
3853                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3854                         dev_kfree_skb(skb);
3855                         goto out_unlock;
3856                 }
3857
3858                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3859                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3860                 else {
3861                         tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3862                         ip_tcp_len = (skb->nh.iph->ihl * 4) +
3863                                      sizeof(struct tcphdr);
3864
3865                         skb->nh.iph->check = 0;
3866                         skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3867                                                      tcp_opt_len);
3868                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3869                 }
3870
3871                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3872                                TXD_FLAG_CPU_POST_DMA);
3873
3874                 skb->h.th->check = 0;
3875
3876         }
3877         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3878                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3879 #else
3880         mss = 0;
3881         if (skb->ip_summed == CHECKSUM_PARTIAL)
3882                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3883 #endif
3884 #if TG3_VLAN_TAG_USED
3885         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3886                 base_flags |= (TXD_FLAG_VLAN |
3887                                (vlan_tx_tag_get(skb) << 16));
3888 #endif
3889
3890         /* Queue skb data, a.k.a. the main skb fragment. */
3891         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3892
3893         tp->tx_buffers[entry].skb = skb;
3894         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3895
3896         tg3_set_txd(tp, entry, mapping, len, base_flags,
3897                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3898
3899         entry = NEXT_TX(entry);
3900
3901         /* Now loop through additional data fragments, and queue them. */
3902         if (skb_shinfo(skb)->nr_frags > 0) {
3903                 unsigned int i, last;
3904
3905                 last = skb_shinfo(skb)->nr_frags - 1;
3906                 for (i = 0; i <= last; i++) {
3907                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3908
3909                         len = frag->size;
3910                         mapping = pci_map_page(tp->pdev,
3911                                                frag->page,
3912                                                frag->page_offset,
3913                                                len, PCI_DMA_TODEVICE);
3914
3915                         tp->tx_buffers[entry].skb = NULL;
3916                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3917
3918                         tg3_set_txd(tp, entry, mapping, len,
3919                                     base_flags, (i == last) | (mss << 1));
3920
3921                         entry = NEXT_TX(entry);
3922                 }
3923         }
3924
3925         /* Packets are ready, update Tx producer idx local and on card. */
3926         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3927
3928         tp->tx_prod = entry;
3929         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
3930                 netif_stop_queue(dev);
3931                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
3932                         netif_wake_queue(tp->dev);
3933         }
3934
3935 out_unlock:
3936         mmiowb();
3937
3938         dev->trans_start = jiffies;
3939
3940         return NETDEV_TX_OK;
3941 }
3942
3943 #if TG3_TSO_SUPPORT != 0
3944 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3945
3946 /* Use GSO to workaround a rare TSO bug that may be triggered when the
3947  * TSO header is greater than 80 bytes.
3948  */
3949 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3950 {
3951         struct sk_buff *segs, *nskb;
3952
3953         /* Estimate the number of fragments in the worst case */
3954         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
3955                 netif_stop_queue(tp->dev);
3956                 return NETDEV_TX_BUSY;
3957         }
3958
3959         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
3960         if (unlikely(IS_ERR(segs)))
3961                 goto tg3_tso_bug_end;
3962
3963         do {
3964                 nskb = segs;
3965                 segs = segs->next;
3966                 nskb->next = NULL;
3967                 tg3_start_xmit_dma_bug(nskb, tp->dev);
3968         } while (segs);
3969
3970 tg3_tso_bug_end:
3971         dev_kfree_skb(skb);
3972
3973         return NETDEV_TX_OK;
3974 }
3975 #endif
3976
3977 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
3978  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
3979  */
3980 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
3981 {
3982         struct tg3 *tp = netdev_priv(dev);
3983         dma_addr_t mapping;
3984         u32 len, entry, base_flags, mss;
3985         int would_hit_hwbug;
3986
3987         len = skb_headlen(skb);
3988
3989         /* We are running in BH disabled context with netif_tx_lock
3990          * and TX reclaim runs via tp->poll inside of a software
3991          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3992          * no IRQ context deadlocks to worry about either.  Rejoice!
3993          */
3994         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3995                 if (!netif_queue_stopped(dev)) {
3996                         netif_stop_queue(dev);
3997
3998                         /* This is a hard error, log it. */
3999                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4000                                "queue awake!\n", dev->name);
4001                 }
4002                 return NETDEV_TX_BUSY;
4003         }
4004
4005         entry = tp->tx_prod;
4006         base_flags = 0;
4007         if (skb->ip_summed == CHECKSUM_PARTIAL)
4008                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4009 #if TG3_TSO_SUPPORT != 0
4010         mss = 0;
4011         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
4012             (mss = skb_shinfo(skb)->gso_size) != 0) {
4013                 int tcp_opt_len, ip_tcp_len, hdr_len;
4014
4015                 if (skb_header_cloned(skb) &&
4016                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4017                         dev_kfree_skb(skb);
4018                         goto out_unlock;
4019                 }
4020
4021                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4022                 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4023
4024                 hdr_len = ip_tcp_len + tcp_opt_len;
4025                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4026                              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
4027                         return (tg3_tso_bug(tp, skb));
4028
4029                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4030                                TXD_FLAG_CPU_POST_DMA);
4031
4032                 skb->nh.iph->check = 0;
4033                 skb->nh.iph->tot_len = htons(mss + hdr_len);
4034                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4035                         skb->h.th->check = 0;
4036                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4037                 }
4038                 else {
4039                         skb->h.th->check =
4040                                 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4041                                                    skb->nh.iph->daddr,
4042                                                    0, IPPROTO_TCP, 0);
4043                 }
4044
4045                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4046                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4047                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4048                                 int tsflags;
4049
4050                                 tsflags = ((skb->nh.iph->ihl - 5) +
4051                                            (tcp_opt_len >> 2));
4052                                 mss |= (tsflags << 11);
4053                         }
4054                 } else {
4055                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4056                                 int tsflags;
4057
4058                                 tsflags = ((skb->nh.iph->ihl - 5) +
4059                                            (tcp_opt_len >> 2));
4060                                 base_flags |= tsflags << 12;
4061                         }
4062                 }
4063         }
4064 #else
4065         mss = 0;
4066 #endif
4067 #if TG3_VLAN_TAG_USED
4068         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4069                 base_flags |= (TXD_FLAG_VLAN |
4070                                (vlan_tx_tag_get(skb) << 16));
4071 #endif
4072
4073         /* Queue skb data, a.k.a. the main skb fragment. */
4074         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4075
4076         tp->tx_buffers[entry].skb = skb;
4077         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4078
4079         would_hit_hwbug = 0;
4080
4081         if (tg3_4g_overflow_test(mapping, len))
4082                 would_hit_hwbug = 1;
4083
4084         tg3_set_txd(tp, entry, mapping, len, base_flags,
4085                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4086
4087         entry = NEXT_TX(entry);
4088
4089         /* Now loop through additional data fragments, and queue them. */
4090         if (skb_shinfo(skb)->nr_frags > 0) {
4091                 unsigned int i, last;
4092
4093                 last = skb_shinfo(skb)->nr_frags - 1;
4094                 for (i = 0; i <= last; i++) {
4095                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4096
4097                         len = frag->size;
4098                         mapping = pci_map_page(tp->pdev,
4099                                                frag->page,
4100                                                frag->page_offset,
4101                                                len, PCI_DMA_TODEVICE);
4102
4103                         tp->tx_buffers[entry].skb = NULL;
4104                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4105
4106                         if (tg3_4g_overflow_test(mapping, len))
4107                                 would_hit_hwbug = 1;
4108
4109                         if (tg3_40bit_overflow_test(tp, mapping, len))
4110                                 would_hit_hwbug = 1;
4111
4112                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4113                                 tg3_set_txd(tp, entry, mapping, len,
4114                                             base_flags, (i == last)|(mss << 1));
4115                         else
4116                                 tg3_set_txd(tp, entry, mapping, len,
4117                                             base_flags, (i == last));
4118
4119                         entry = NEXT_TX(entry);
4120                 }
4121         }
4122
4123         if (would_hit_hwbug) {
4124                 u32 last_plus_one = entry;
4125                 u32 start;
4126
4127                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4128                 start &= (TG3_TX_RING_SIZE - 1);
4129
4130                 /* If the workaround fails due to memory/mapping
4131                  * failure, silently drop this packet.
4132                  */
4133                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4134                                                 &start, base_flags, mss))
4135                         goto out_unlock;
4136
4137                 entry = start;
4138         }
4139
4140         /* Packets are ready, update Tx producer idx local and on card. */
4141         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4142
4143         tp->tx_prod = entry;
4144         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4145                 netif_stop_queue(dev);
4146                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4147                         netif_wake_queue(tp->dev);
4148         }
4149
4150 out_unlock:
4151         mmiowb();
4152
4153         dev->trans_start = jiffies;
4154
4155         return NETDEV_TX_OK;
4156 }
4157
4158 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4159                                int new_mtu)
4160 {
4161         dev->mtu = new_mtu;
4162
4163         if (new_mtu > ETH_DATA_LEN) {
4164                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4165                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4166                         ethtool_op_set_tso(dev, 0);
4167                 }
4168                 else
4169                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4170         } else {
4171                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4172                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4173                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4174         }
4175 }
4176
4177 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4178 {
4179         struct tg3 *tp = netdev_priv(dev);
4180         int err;
4181
4182         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4183                 return -EINVAL;
4184
4185         if (!netif_running(dev)) {
4186                 /* We'll just catch it later when the
4187                  * device is up'd.
4188                  */
4189                 tg3_set_mtu(dev, tp, new_mtu);
4190                 return 0;
4191         }
4192
4193         tg3_netif_stop(tp);
4194
4195         tg3_full_lock(tp, 1);
4196
4197         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4198
4199         tg3_set_mtu(dev, tp, new_mtu);
4200
4201         err = tg3_restart_hw(tp, 0);
4202
4203         if (!err)
4204                 tg3_netif_start(tp);
4205
4206         tg3_full_unlock(tp);
4207
4208         return err;
4209 }
4210
4211 /* Free up pending packets in all rx/tx rings.
4212  *
4213  * The chip has been shut down and the driver detached from
4214  * the networking, so no interrupts or new tx packets will
4215  * end up in the driver.  tp->{tx,}lock is not held and we are not
4216  * in an interrupt context and thus may sleep.
4217  */
4218 static void tg3_free_rings(struct tg3 *tp)
4219 {
4220         struct ring_info *rxp;
4221         int i;
4222
4223         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4224                 rxp = &tp->rx_std_buffers[i];
4225
4226                 if (rxp->skb == NULL)
4227                         continue;
4228                 pci_unmap_single(tp->pdev,
4229                                  pci_unmap_addr(rxp, mapping),
4230                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4231                                  PCI_DMA_FROMDEVICE);
4232                 dev_kfree_skb_any(rxp->skb);
4233                 rxp->skb = NULL;
4234         }
4235
4236         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4237                 rxp = &tp->rx_jumbo_buffers[i];
4238
4239                 if (rxp->skb == NULL)
4240                         continue;
4241                 pci_unmap_single(tp->pdev,
4242                                  pci_unmap_addr(rxp, mapping),
4243                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4244                                  PCI_DMA_FROMDEVICE);
4245                 dev_kfree_skb_any(rxp->skb);
4246                 rxp->skb = NULL;
4247         }
4248
4249         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4250                 struct tx_ring_info *txp;
4251                 struct sk_buff *skb;
4252                 int j;
4253
4254                 txp = &tp->tx_buffers[i];
4255                 skb = txp->skb;
4256
4257                 if (skb == NULL) {
4258                         i++;
4259                         continue;
4260                 }
4261
4262                 pci_unmap_single(tp->pdev,
4263                                  pci_unmap_addr(txp, mapping),
4264                                  skb_headlen(skb),
4265                                  PCI_DMA_TODEVICE);
4266                 txp->skb = NULL;
4267
4268                 i++;
4269
4270                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4271                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4272                         pci_unmap_page(tp->pdev,
4273                                        pci_unmap_addr(txp, mapping),
4274                                        skb_shinfo(skb)->frags[j].size,
4275                                        PCI_DMA_TODEVICE);
4276                         i++;
4277                 }
4278
4279                 dev_kfree_skb_any(skb);
4280         }
4281 }
4282
4283 /* Initialize tx/rx rings for packet processing.
4284  *
4285  * The chip has been shut down and the driver detached from
4286  * the networking, so no interrupts or new tx packets will
4287  * end up in the driver.  tp->{tx,}lock are held and thus
4288  * we may not sleep.
4289  */
4290 static int tg3_init_rings(struct tg3 *tp)
4291 {
4292         u32 i;
4293
4294         /* Free up all the SKBs. */
4295         tg3_free_rings(tp);
4296
4297         /* Zero out all descriptors. */
4298         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4299         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4300         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4301         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4302
4303         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4304         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4305             (tp->dev->mtu > ETH_DATA_LEN))
4306                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4307
4308         /* Initialize invariants of the rings, we only set this
4309          * stuff once.  This works because the card does not
4310          * write into the rx buffer posting rings.
4311          */
4312         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4313                 struct tg3_rx_buffer_desc *rxd;
4314
4315                 rxd = &tp->rx_std[i];
4316                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4317                         << RXD_LEN_SHIFT;
4318                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4319                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4320                                (i << RXD_OPAQUE_INDEX_SHIFT));
4321         }
4322
4323         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4324                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4325                         struct tg3_rx_buffer_desc *rxd;
4326
4327                         rxd = &tp->rx_jumbo[i];
4328                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4329                                 << RXD_LEN_SHIFT;
4330                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4331                                 RXD_FLAG_JUMBO;
4332                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4333                                (i << RXD_OPAQUE_INDEX_SHIFT));
4334                 }
4335         }
4336
4337         /* Now allocate fresh SKBs for each rx ring. */
4338         for (i = 0; i < tp->rx_pending; i++) {
4339                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4340                         printk(KERN_WARNING PFX
4341                                "%s: Using a smaller RX standard ring, "
4342                                "only %d out of %d buffers were allocated "
4343                                "successfully.\n",
4344                                tp->dev->name, i, tp->rx_pending);
4345                         if (i == 0)
4346                                 return -ENOMEM;
4347                         tp->rx_pending = i;
4348                         break;
4349                 }
4350         }
4351
4352         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4353                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4354                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4355                                              -1, i) < 0) {
4356                                 printk(KERN_WARNING PFX
4357                                        "%s: Using a smaller RX jumbo ring, "
4358                                        "only %d out of %d buffers were "
4359                                        "allocated successfully.\n",
4360                                        tp->dev->name, i, tp->rx_jumbo_pending);
4361                                 if (i == 0) {
4362                                         tg3_free_rings(tp);
4363                                         return -ENOMEM;
4364                                 }
4365                                 tp->rx_jumbo_pending = i;
4366                                 break;
4367                         }
4368                 }
4369         }
4370         return 0;
4371 }
4372
4373 /*
4374  * Must not be invoked with interrupt sources disabled and
4375  * the hardware shutdown down.
4376  */
4377 static void tg3_free_consistent(struct tg3 *tp)
4378 {
4379         kfree(tp->rx_std_buffers);
4380         tp->rx_std_buffers = NULL;
4381         if (tp->rx_std) {
4382                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4383                                     tp->rx_std, tp->rx_std_mapping);
4384                 tp->rx_std = NULL;
4385         }
4386         if (tp->rx_jumbo) {
4387                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4388                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4389                 tp->rx_jumbo = NULL;
4390         }
4391         if (tp->rx_rcb) {
4392                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4393                                     tp->rx_rcb, tp->rx_rcb_mapping);
4394                 tp->rx_rcb = NULL;
4395         }
4396         if (tp->tx_ring) {
4397                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4398                         tp->tx_ring, tp->tx_desc_mapping);
4399                 tp->tx_ring = NULL;
4400         }
4401         if (tp->hw_status) {
4402                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4403                                     tp->hw_status, tp->status_mapping);
4404                 tp->hw_status = NULL;
4405         }
4406         if (tp->hw_stats) {
4407                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4408                                     tp->hw_stats, tp->stats_mapping);
4409                 tp->hw_stats = NULL;
4410         }
4411 }
4412
4413 /*
4414  * Must not be invoked with interrupt sources disabled and
4415  * the hardware shutdown down.  Can sleep.
4416  */
4417 static int tg3_alloc_consistent(struct tg3 *tp)
4418 {
4419         tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
4420                                       (TG3_RX_RING_SIZE +
4421                                        TG3_RX_JUMBO_RING_SIZE)) +
4422                                      (sizeof(struct tx_ring_info) *
4423                                       TG3_TX_RING_SIZE),
4424                                      GFP_KERNEL);
4425         if (!tp->rx_std_buffers)
4426                 return -ENOMEM;
4427
4428         memset(tp->rx_std_buffers, 0,
4429                (sizeof(struct ring_info) *
4430                 (TG3_RX_RING_SIZE +
4431                  TG3_RX_JUMBO_RING_SIZE)) +
4432                (sizeof(struct tx_ring_info) *
4433                 TG3_TX_RING_SIZE));
4434
4435         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4436         tp->tx_buffers = (struct tx_ring_info *)
4437                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4438
4439         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4440                                           &tp->rx_std_mapping);
4441         if (!tp->rx_std)
4442                 goto err_out;
4443
4444         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4445                                             &tp->rx_jumbo_mapping);
4446
4447         if (!tp->rx_jumbo)
4448                 goto err_out;
4449
4450         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4451                                           &tp->rx_rcb_mapping);
4452         if (!tp->rx_rcb)
4453                 goto err_out;
4454
4455         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4456                                            &tp->tx_desc_mapping);
4457         if (!tp->tx_ring)
4458                 goto err_out;
4459
4460         tp->hw_status = pci_alloc_consistent(tp->pdev,
4461                                              TG3_HW_STATUS_SIZE,
4462                                              &tp->status_mapping);
4463         if (!tp->hw_status)
4464                 goto err_out;
4465
4466         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4467                                             sizeof(struct tg3_hw_stats),
4468                                             &tp->stats_mapping);
4469         if (!tp->hw_stats)
4470                 goto err_out;
4471
4472         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4473         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4474
4475         return 0;
4476
4477 err_out:
4478         tg3_free_consistent(tp);
4479         return -ENOMEM;
4480 }
4481
4482 #define MAX_WAIT_CNT 1000
4483
4484 /* To stop a block, clear the enable bit and poll till it
4485  * clears.  tp->lock is held.
4486  */
4487 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4488 {
4489         unsigned int i;
4490         u32 val;
4491
4492         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4493                 switch (ofs) {
4494                 case RCVLSC_MODE:
4495                 case DMAC_MODE:
4496                 case MBFREE_MODE:
4497                 case BUFMGR_MODE:
4498                 case MEMARB_MODE:
4499                         /* We can't enable/disable these bits of the
4500                          * 5705/5750, just say success.
4501                          */
4502                         return 0;
4503
4504                 default:
4505                         break;
4506                 };
4507         }
4508
4509         val = tr32(ofs);
4510         val &= ~enable_bit;
4511         tw32_f(ofs, val);
4512
4513         for (i = 0; i < MAX_WAIT_CNT; i++) {
4514                 udelay(100);
4515                 val = tr32(ofs);
4516                 if ((val & enable_bit) == 0)
4517                         break;
4518         }
4519
4520         if (i == MAX_WAIT_CNT && !silent) {
4521                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4522                        "ofs=%lx enable_bit=%x\n",
4523                        ofs, enable_bit);
4524                 return -ENODEV;
4525         }
4526
4527         return 0;
4528 }
4529
4530 /* tp->lock is held. */
4531 static int tg3_abort_hw(struct tg3 *tp, int silent)
4532 {
4533         int i, err;
4534
4535         tg3_disable_ints(tp);
4536
4537         tp->rx_mode &= ~RX_MODE_ENABLE;
4538         tw32_f(MAC_RX_MODE, tp->rx_mode);
4539         udelay(10);
4540
4541         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4542         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4543         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4544         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4545         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4546         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4547
4548         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4549         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4550         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4551         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4552         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4553         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4554         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4555
4556         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4557         tw32_f(MAC_MODE, tp->mac_mode);
4558         udelay(40);
4559
4560         tp->tx_mode &= ~TX_MODE_ENABLE;
4561         tw32_f(MAC_TX_MODE, tp->tx_mode);
4562
4563         for (i = 0; i < MAX_WAIT_CNT; i++) {
4564                 udelay(100);
4565                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4566                         break;
4567         }
4568         if (i >= MAX_WAIT_CNT) {
4569                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4570                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4571                        tp->dev->name, tr32(MAC_TX_MODE));
4572                 err |= -ENODEV;
4573         }
4574
4575         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4576         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4577         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4578
4579         tw32(FTQ_RESET, 0xffffffff);
4580         tw32(FTQ_RESET, 0x00000000);
4581
4582         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4583         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4584
4585         if (tp->hw_status)
4586                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4587         if (tp->hw_stats)
4588                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4589
4590         return err;
4591 }
4592
4593 /* tp->lock is held. */
4594 static int tg3_nvram_lock(struct tg3 *tp)
4595 {
4596         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4597                 int i;
4598
4599                 if (tp->nvram_lock_cnt == 0) {
4600                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4601                         for (i = 0; i < 8000; i++) {
4602                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4603                                         break;
4604                                 udelay(20);
4605                         }
4606                         if (i == 8000) {
4607                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4608                                 return -ENODEV;
4609                         }
4610                 }
4611                 tp->nvram_lock_cnt++;
4612         }
4613         return 0;
4614 }
4615
4616 /* tp->lock is held. */
4617 static void tg3_nvram_unlock(struct tg3 *tp)
4618 {
4619         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4620                 if (tp->nvram_lock_cnt > 0)
4621                         tp->nvram_lock_cnt--;
4622                 if (tp->nvram_lock_cnt == 0)
4623                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4624         }
4625 }
4626
4627 /* tp->lock is held. */
4628 static void tg3_enable_nvram_access(struct tg3 *tp)
4629 {
4630         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4631             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4632                 u32 nvaccess = tr32(NVRAM_ACCESS);
4633
4634                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4635         }
4636 }
4637
4638 /* tp->lock is held. */
4639 static void tg3_disable_nvram_access(struct tg3 *tp)
4640 {
4641         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4642             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4643                 u32 nvaccess = tr32(NVRAM_ACCESS);
4644
4645                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4646         }
4647 }
4648
4649 /* tp->lock is held. */
4650 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4651 {
4652         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4653                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4654
4655         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4656                 switch (kind) {
4657                 case RESET_KIND_INIT:
4658                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4659                                       DRV_STATE_START);
4660                         break;
4661
4662                 case RESET_KIND_SHUTDOWN:
4663                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4664                                       DRV_STATE_UNLOAD);
4665                         break;
4666
4667                 case RESET_KIND_SUSPEND:
4668                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4669                                       DRV_STATE_SUSPEND);
4670                         break;
4671
4672                 default:
4673                         break;
4674                 };
4675         }
4676 }
4677
4678 /* tp->lock is held. */
4679 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4680 {
4681         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4682                 switch (kind) {
4683                 case RESET_KIND_INIT:
4684                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4685                                       DRV_STATE_START_DONE);
4686                         break;
4687
4688                 case RESET_KIND_SHUTDOWN:
4689                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4690                                       DRV_STATE_UNLOAD_DONE);
4691                         break;
4692
4693                 default:
4694                         break;
4695                 };
4696         }
4697 }
4698
4699 /* tp->lock is held. */
4700 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4701 {
4702         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4703                 switch (kind) {
4704                 case RESET_KIND_INIT:
4705                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4706                                       DRV_STATE_START);
4707                         break;
4708
4709                 case RESET_KIND_SHUTDOWN:
4710                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4711                                       DRV_STATE_UNLOAD);
4712                         break;
4713
4714                 case RESET_KIND_SUSPEND:
4715                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4716                                       DRV_STATE_SUSPEND);
4717                         break;
4718
4719                 default:
4720                         break;
4721                 };
4722         }
4723 }
4724
4725 static int tg3_poll_fw(struct tg3 *tp)
4726 {
4727         int i;
4728         u32 val;
4729
4730         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4731                 for (i = 0; i < 400; i++) {
4732                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4733                                 return 0;
4734                         udelay(10);
4735                 }
4736                 return -ENODEV;
4737         }
4738
4739         /* Wait for firmware initialization to complete. */
4740         for (i = 0; i < 100000; i++) {
4741                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4742                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4743                         break;
4744                 udelay(10);
4745         }
4746
4747         /* Chip might not be fitted with firmware.  Some Sun onboard
4748          * parts are configured like that.  So don't signal the timeout
4749          * of the above loop as an error, but do report the lack of
4750          * running firmware once.
4751          */
4752         if (i >= 100000 &&
4753             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4754                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4755
4756                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4757                        tp->dev->name);
4758         }
4759
4760         return 0;
4761 }
4762
4763 static void tg3_stop_fw(struct tg3 *);
4764
4765 /* tp->lock is held. */
4766 static int tg3_chip_reset(struct tg3 *tp)
4767 {
4768         u32 val;
4769         void (*write_op)(struct tg3 *, u32, u32);
4770         int err;
4771
4772         tg3_nvram_lock(tp);
4773
4774         /* No matching tg3_nvram_unlock() after this because
4775          * chip reset below will undo the nvram lock.
4776          */
4777         tp->nvram_lock_cnt = 0;
4778
4779         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4780             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4781             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4782                 tw32(GRC_FASTBOOT_PC, 0);
4783
4784         /*
4785          * We must avoid the readl() that normally takes place.
4786          * It locks machines, causes machine checks, and other
4787          * fun things.  So, temporarily disable the 5701
4788          * hardware workaround, while we do the reset.
4789          */
4790         write_op = tp->write32;
4791         if (write_op == tg3_write_flush_reg32)
4792                 tp->write32 = tg3_write32;
4793
4794         /* do the reset */
4795         val = GRC_MISC_CFG_CORECLK_RESET;
4796
4797         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4798                 if (tr32(0x7e2c) == 0x60) {
4799                         tw32(0x7e2c, 0x20);
4800                 }
4801                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4802                         tw32(GRC_MISC_CFG, (1 << 29));
4803                         val |= (1 << 29);
4804                 }
4805         }
4806
4807         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4808                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4809                 tw32(GRC_VCPU_EXT_CTRL,
4810                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4811         }
4812
4813         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4814                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4815         tw32(GRC_MISC_CFG, val);
4816
4817         /* restore 5701 hardware bug workaround write method */
4818         tp->write32 = write_op;
4819
4820         /* Unfortunately, we have to delay before the PCI read back.
4821          * Some 575X chips even will not respond to a PCI cfg access
4822          * when the reset command is given to the chip.
4823          *
4824          * How do these hardware designers expect things to work
4825          * properly if the PCI write is posted for a long period
4826          * of time?  It is always necessary to have some method by
4827          * which a register read back can occur to push the write
4828          * out which does the reset.
4829          *
4830          * For most tg3 variants the trick below was working.
4831          * Ho hum...
4832          */
4833         udelay(120);
4834
4835         /* Flush PCI posted writes.  The normal MMIO registers
4836          * are inaccessible at this time so this is the only
4837          * way to make this reliably (actually, this is no longer
4838          * the case, see above).  I tried to use indirect
4839          * register read/write but this upset some 5701 variants.
4840          */
4841         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4842
4843         udelay(120);
4844
4845         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4846                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4847                         int i;
4848                         u32 cfg_val;
4849
4850                         /* Wait for link training to complete.  */
4851                         for (i = 0; i < 5000; i++)
4852                                 udelay(100);
4853
4854                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4855                         pci_write_config_dword(tp->pdev, 0xc4,
4856                                                cfg_val | (1 << 15));
4857                 }
4858                 /* Set PCIE max payload size and clear error status.  */
4859                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4860         }
4861
4862         /* Re-enable indirect register accesses. */
4863         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4864                                tp->misc_host_ctrl);
4865
4866         /* Set MAX PCI retry to zero. */
4867         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4868         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4869             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4870                 val |= PCISTATE_RETRY_SAME_DMA;
4871         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4872
4873         pci_restore_state(tp->pdev);
4874
4875         /* Make sure PCI-X relaxed ordering bit is clear. */
4876         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4877         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4878         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4879
4880         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4881                 u32 val;
4882
4883                 /* Chip reset on 5780 will reset MSI enable bit,
4884                  * so need to restore it.
4885                  */
4886                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4887                         u16 ctrl;
4888
4889                         pci_read_config_word(tp->pdev,
4890                                              tp->msi_cap + PCI_MSI_FLAGS,
4891                                              &ctrl);
4892                         pci_write_config_word(tp->pdev,
4893                                               tp->msi_cap + PCI_MSI_FLAGS,
4894                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4895                         val = tr32(MSGINT_MODE);
4896                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4897                 }
4898
4899                 val = tr32(MEMARB_MODE);
4900                 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4901
4902         } else
4903                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4904
4905         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4906                 tg3_stop_fw(tp);
4907                 tw32(0x5000, 0x400);
4908         }
4909
4910         tw32(GRC_MODE, tp->grc_mode);
4911
4912         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4913                 u32 val = tr32(0xc4);
4914
4915                 tw32(0xc4, val | (1 << 15));
4916         }
4917
4918         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4919             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4920                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4921                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4922                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4923                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4924         }
4925
4926         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4927                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4928                 tw32_f(MAC_MODE, tp->mac_mode);
4929         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4930                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4931                 tw32_f(MAC_MODE, tp->mac_mode);
4932         } else
4933                 tw32_f(MAC_MODE, 0);
4934         udelay(40);
4935
4936         err = tg3_poll_fw(tp);
4937         if (err)
4938                 return err;
4939
4940         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4941             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4942                 u32 val = tr32(0x7c00);
4943
4944                 tw32(0x7c00, val | (1 << 25));
4945         }
4946
4947         /* Reprobe ASF enable state.  */
4948         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4949         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4950         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4951         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4952                 u32 nic_cfg;
4953
4954                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4955                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4956                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4957                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
4958                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4959                 }
4960         }
4961
4962         return 0;
4963 }
4964
4965 /* tp->lock is held. */
4966 static void tg3_stop_fw(struct tg3 *tp)
4967 {
4968         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4969                 u32 val;
4970                 int i;
4971
4972                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4973                 val = tr32(GRC_RX_CPU_EVENT);
4974                 val |= (1 << 14);
4975                 tw32(GRC_RX_CPU_EVENT, val);
4976
4977                 /* Wait for RX cpu to ACK the event.  */
4978                 for (i = 0; i < 100; i++) {
4979                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4980                                 break;
4981                         udelay(1);
4982                 }
4983         }
4984 }
4985
4986 /* tp->lock is held. */
4987 static int tg3_halt(struct tg3 *tp, int kind, int silent)
4988 {
4989         int err;
4990
4991         tg3_stop_fw(tp);
4992
4993         tg3_write_sig_pre_reset(tp, kind);
4994
4995         tg3_abort_hw(tp, silent);
4996         err = tg3_chip_reset(tp);
4997
4998         tg3_write_sig_legacy(tp, kind);
4999         tg3_write_sig_post_reset(tp, kind);
5000
5001         if (err)
5002                 return err;
5003
5004         return 0;
5005 }
5006
5007 #define TG3_FW_RELEASE_MAJOR    0x0
5008 #define TG3_FW_RELASE_MINOR     0x0
5009 #define TG3_FW_RELEASE_FIX      0x0
5010 #define TG3_FW_START_ADDR       0x08000000
5011 #define TG3_FW_TEXT_ADDR        0x08000000
5012 #define TG3_FW_TEXT_LEN         0x9c0
5013 #define TG3_FW_RODATA_ADDR      0x080009c0
5014 #define TG3_FW_RODATA_LEN       0x60
5015 #define TG3_FW_DATA_ADDR        0x08000a40
5016 #define TG3_FW_DATA_LEN         0x20
5017 #define TG3_FW_SBSS_ADDR        0x08000a60
5018 #define TG3_FW_SBSS_LEN         0xc
5019 #define TG3_FW_BSS_ADDR         0x08000a70
5020 #define TG3_FW_BSS_LEN          0x10
5021
5022 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5023         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5024         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5025         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5026         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5027         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5028         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5029         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5030         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5031         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5032         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5033         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5034         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5035         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5036         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5037         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5038         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5039         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5040         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5041         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5042         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5043         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5044         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5045         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5046         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5047         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5048         0, 0, 0, 0, 0, 0,
5049         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5050         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5051         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5052         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5053         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5054         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5055         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5056         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5057         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5058         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5059         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5060         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5061         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5062         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5063         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5064         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5065         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5066         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5067         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5068         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5069         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5070         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5071         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5072         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5073         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5074         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5075         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5076         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5077         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5078         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5079         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5080         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5081         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5082         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5083         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5084         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5085         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5086         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5087         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5088         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5089         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5090         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5091         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5092         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5093         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5094         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5095         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5096         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5097         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5098         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5099         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5100         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5101         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5102         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5103         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5104         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5105         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5106         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5107         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5108         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5109         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5110         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5111         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5112         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5113         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5114 };
5115
5116 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5117         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5118         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5119         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5120         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5121         0x00000000
5122 };
5123
5124 #if 0 /* All zeros, don't eat up space with it. */
5125 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5126         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5127         0x00000000, 0x00000000, 0x00000000, 0x00000000
5128 };
5129 #endif
5130
5131 #define RX_CPU_SCRATCH_BASE     0x30000
5132 #define RX_CPU_SCRATCH_SIZE     0x04000
5133 #define TX_CPU_SCRATCH_BASE     0x34000
5134 #define TX_CPU_SCRATCH_SIZE     0x04000
5135
5136 /* tp->lock is held. */
5137 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5138 {
5139         int i;
5140
5141         BUG_ON(offset == TX_CPU_BASE &&
5142             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5143
5144         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5145                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5146
5147                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5148                 return 0;
5149         }
5150         if (offset == RX_CPU_BASE) {
5151                 for (i = 0; i < 10000; i++) {
5152                         tw32(offset + CPU_STATE, 0xffffffff);
5153                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5154                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5155                                 break;
5156                 }
5157
5158                 tw32(offset + CPU_STATE, 0xffffffff);
5159                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5160                 udelay(10);
5161         } else {
5162                 for (i = 0; i < 10000; i++) {
5163                         tw32(offset + CPU_STATE, 0xffffffff);
5164                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5165                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5166                                 break;
5167                 }
5168         }
5169
5170         if (i >= 10000) {
5171                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5172                        "and %s CPU\n",
5173                        tp->dev->name,
5174                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5175                 return -ENODEV;
5176         }
5177
5178         /* Clear firmware's nvram arbitration. */
5179         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5180                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5181         return 0;
5182 }
5183
5184 struct fw_info {
5185         unsigned int text_base;
5186         unsigned int text_len;
5187         const u32 *text_data;
5188         unsigned int rodata_base;
5189         unsigned int rodata_len;
5190         const u32 *rodata_data;
5191         unsigned int data_base;
5192         unsigned int data_len;
5193         const u32 *data_data;
5194 };
5195
5196 /* tp->lock is held. */
5197 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5198                                  int cpu_scratch_size, struct fw_info *info)
5199 {
5200         int err, lock_err, i;
5201         void (*write_op)(struct tg3 *, u32, u32);
5202
5203         if (cpu_base == TX_CPU_BASE &&
5204             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5205                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5206                        "TX cpu firmware on %s which is 5705.\n",
5207                        tp->dev->name);
5208                 return -EINVAL;
5209         }
5210
5211         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5212                 write_op = tg3_write_mem;
5213         else
5214                 write_op = tg3_write_indirect_reg32;
5215
5216         /* It is possible that bootcode is still loading at this point.
5217          * Get the nvram lock first before halting the cpu.
5218          */
5219         lock_err = tg3_nvram_lock(tp);
5220         err = tg3_halt_cpu(tp, cpu_base);
5221         if (!lock_err)
5222                 tg3_nvram_unlock(tp);
5223         if (err)
5224                 goto out;
5225
5226         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5227                 write_op(tp, cpu_scratch_base + i, 0);
5228         tw32(cpu_base + CPU_STATE, 0xffffffff);
5229         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5230         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5231                 write_op(tp, (cpu_scratch_base +
5232                               (info->text_base & 0xffff) +
5233                               (i * sizeof(u32))),
5234                          (info->text_data ?
5235                           info->text_data[i] : 0));
5236         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5237                 write_op(tp, (cpu_scratch_base +
5238                               (info->rodata_base & 0xffff) +
5239                               (i * sizeof(u32))),
5240                          (info->rodata_data ?
5241                           info->rodata_data[i] : 0));
5242         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5243                 write_op(tp, (cpu_scratch_base +
5244                               (info->data_base & 0xffff) +
5245                               (i * sizeof(u32))),
5246                          (info->data_data ?
5247                           info->data_data[i] : 0));
5248
5249         err = 0;
5250
5251 out:
5252         return err;
5253 }
5254
5255 /* tp->lock is held. */
5256 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5257 {
5258         struct fw_info info;
5259         int err, i;
5260
5261         info.text_base = TG3_FW_TEXT_ADDR;
5262         info.text_len = TG3_FW_TEXT_LEN;
5263         info.text_data = &tg3FwText[0];
5264         info.rodata_base = TG3_FW_RODATA_ADDR;
5265         info.rodata_len = TG3_FW_RODATA_LEN;
5266         info.rodata_data = &tg3FwRodata[0];
5267         info.data_base = TG3_FW_DATA_ADDR;
5268         info.data_len = TG3_FW_DATA_LEN;
5269         info.data_data = NULL;
5270
5271         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5272                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5273                                     &info);
5274         if (err)
5275                 return err;
5276
5277         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5278                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5279                                     &info);
5280         if (err)
5281                 return err;
5282
5283         /* Now startup only the RX cpu. */
5284         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5285         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5286
5287         for (i = 0; i < 5; i++) {
5288                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5289                         break;
5290                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5291                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5292                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5293                 udelay(1000);
5294         }
5295         if (i >= 5) {
5296                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5297                        "to set RX CPU PC, is %08x should be %08x\n",
5298                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5299                        TG3_FW_TEXT_ADDR);
5300                 return -ENODEV;
5301         }
5302         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5303         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5304
5305         return 0;
5306 }
5307
5308 #if TG3_TSO_SUPPORT != 0
5309
5310 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5311 #define TG3_TSO_FW_RELASE_MINOR         0x6
5312 #define TG3_TSO_FW_RELEASE_FIX          0x0
5313 #define TG3_TSO_FW_START_ADDR           0x08000000
5314 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5315 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5316 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5317 #define TG3_TSO_FW_RODATA_LEN           0x60
5318 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5319 #define TG3_TSO_FW_DATA_LEN             0x30
5320 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5321 #define TG3_TSO_FW_SBSS_LEN             0x2c
5322 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5323 #define TG3_TSO_FW_BSS_LEN              0x894
5324
5325 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5326         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5327         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5328         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5329         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5330         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5331         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5332         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5333         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5334         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5335         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5336         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5337         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5338         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5339         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5340         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5341         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5342         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5343         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5344         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5345         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5346         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5347         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5348         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5349         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5350         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5351         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5352         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5353         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5354         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5355         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5356         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5357         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5358         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5359         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5360         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5361         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5362         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5363         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5364         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5365         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5366         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5367         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5368         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5369         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5370         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5371         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5372         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5373         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5374         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5375         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5376         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5377         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5378         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5379         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5380         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5381         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5382         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5383         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5384         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5385         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5386         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5387         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5388         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5389         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5390         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5391         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5392         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5393         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5394         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5395         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5396         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5397         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5398         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5399         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5400         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5401         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5402         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5403         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5404         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5405         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5406         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5407         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5408         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5409         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5410         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5411         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5412         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5413         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5414         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5415         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5416         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5417         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5418         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5419         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5420         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5421         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5422         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5423         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5424         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5425         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5426         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5427         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5428         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5429         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5430         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5431         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5432         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5433         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5434         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5435         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5436         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5437         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5438         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5439         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5440         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5441         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5442         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5443         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5444         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5445         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5446         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5447         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5448         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5449         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5450         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5451         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5452         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5453         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5454         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5455         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5456         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5457         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5458         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5459         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5460         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5461         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5462         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5463         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5464         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5465         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5466         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5467         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5468         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5469         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5470         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5471         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5472         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5473         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5474         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5475         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5476         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5477         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5478         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5479         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5480         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5481         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5482         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5483         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5484         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5485         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5486         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5487         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5488         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5489         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5490         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5491         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5492         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5493         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5494         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5495         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5496         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5497         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5498         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5499         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5500         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5501         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5502         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5503         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5504         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5505         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5506         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5507         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5508         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5509         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5510         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5511         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5512         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5513         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5514         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5515         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5516         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5517         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5518         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5519         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5520         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5521         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5522         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5523         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5524         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5525         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5526         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5527         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5528         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5529         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5530         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5531         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5532         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5533         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5534         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5535         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5536         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5537         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5538         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5539         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5540         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5541         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5542         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5543         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5544         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5545         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5546         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5547         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5548         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5549         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5550         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5551         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5552         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5553         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5554         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5555         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5556         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5557         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5558         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5559         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5560         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5561         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5562         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5563         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5564         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5565         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5566         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5567         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5568         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5569         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5570         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5571         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5572         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5573         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5574         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5575         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5576         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5577         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5578         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5579         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5580         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5581         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5582         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5583         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5584         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5585         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5586         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5587         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5588         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5589         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5590         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5591         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5592         0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5593         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5594         0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5595         0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5596         0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5597         0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5598         0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5599         0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5600         0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5601         0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5602         0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5603         0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5604         0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5605         0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5606         0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5607         0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5608         0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5609         0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5610 };
5611
5612 static const u32 tg3TsoFwRodata[] = {
5613         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5614         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5615         0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5616         0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5617         0x00000000,
5618 };
5619
5620 static const u32 tg3TsoFwData[] = {
5621         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5622         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5623         0x00000000,
5624 };
5625
5626 /* 5705 needs a special version of the TSO firmware.  */
5627 #define TG3_TSO5_FW_RELEASE_MAJOR       0x1
5628 #define TG3_TSO5_FW_RELASE_MINOR        0x2
5629 #define TG3_TSO5_FW_RELEASE_FIX         0x0
5630 #define TG3_TSO5_FW_START_ADDR          0x00010000
5631 #define TG3_TSO5_FW_TEXT_ADDR           0x00010000
5632 #define TG3_TSO5_FW_TEXT_LEN            0xe90
5633 #define TG3_TSO5_FW_RODATA_ADDR         0x00010e90
5634 #define TG3_TSO5_FW_RODATA_LEN          0x50
5635 #define TG3_TSO5_FW_DATA_ADDR           0x00010f00
5636 #define TG3_TSO5_FW_DATA_LEN            0x20
5637 #define TG3_TSO5_FW_SBSS_ADDR           0x00010f20
5638 #define TG3_TSO5_FW_SBSS_LEN            0x28
5639 #define TG3_TSO5_FW_BSS_ADDR            0x00010f50
5640 #define TG3_TSO5_FW_BSS_LEN             0x88
5641
5642 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5643         0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5644         0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5645         0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5646         0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5647         0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5648         0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5649         0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5650         0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5651         0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5652         0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5653         0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5654         0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5655         0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5656         0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5657         0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5658         0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5659         0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5660         0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5661         0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5662         0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5663         0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5664         0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5665         0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5666         0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5667         0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5668         0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5669         0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5670         0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5671         0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5672         0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5673         0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5674         0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5675         0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5676         0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5677         0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5678         0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5679         0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5680         0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5681         0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5682         0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5683         0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5684         0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5685         0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5686         0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5687         0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5688         0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5689         0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5690         0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5691         0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5692         0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5693         0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5694         0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5695         0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5696         0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5697         0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5698         0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5699         0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5700         0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5701         0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5702         0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5703         0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5704         0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5705         0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5706         0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5707         0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5708         0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5709         0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5710         0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5711         0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5712         0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5713         0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5714         0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5715         0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5716         0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5717         0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5718         0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5719         0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5720         0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5721         0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5722         0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5723         0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5724         0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5725         0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5726         0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5727         0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5728         0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5729         0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5730         0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5731         0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5732         0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5733         0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5734         0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5735         0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5736         0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5737         0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5738         0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5739         0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5740         0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5741         0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5742         0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5743         0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5744         0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5745         0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5746         0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5747         0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5748         0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5749         0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5750         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5751         0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5752         0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5753         0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5754         0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5755         0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5756         0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5757         0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5758         0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5759         0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5760         0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5761         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5762         0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5763         0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5764         0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5765         0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5766         0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5767         0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5768         0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5769         0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5770         0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5771         0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5772         0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5773         0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5774         0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5775         0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5776         0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5777         0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5778         0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5779         0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5780         0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5781         0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5782         0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5783         0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5784         0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5785         0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5786         0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5787         0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5788         0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5789         0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5790         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5791         0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5792         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5793         0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5794         0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5795         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5796         0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5797         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5798         0x00000000, 0x00000000, 0x00000000,
5799 };
5800
5801 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5802         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5803         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5804         0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5805         0x00000000, 0x00000000, 0x00000000,
5806 };
5807
5808 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5809         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5810         0x00000000, 0x00000000, 0x00000000,
5811 };
5812
5813 /* tp->lock is held. */
5814 static int tg3_load_tso_firmware(struct tg3 *tp)
5815 {
5816         struct fw_info info;
5817         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5818         int err, i;
5819
5820         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5821                 return 0;
5822
5823         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5824                 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5825                 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5826                 info.text_data = &tg3Tso5FwText[0];
5827                 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5828                 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5829                 info.rodata_data = &tg3Tso5FwRodata[0];
5830                 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5831                 info.data_len = TG3_TSO5_FW_DATA_LEN;
5832                 info.data_data = &tg3Tso5FwData[0];
5833                 cpu_base = RX_CPU_BASE;
5834                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5835                 cpu_scratch_size = (info.text_len +
5836                                     info.rodata_len +
5837                                     info.data_len +
5838                                     TG3_TSO5_FW_SBSS_LEN +
5839                                     TG3_TSO5_FW_BSS_LEN);
5840         } else {
5841                 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5842                 info.text_len = TG3_TSO_FW_TEXT_LEN;
5843                 info.text_data = &tg3TsoFwText[0];
5844                 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5845                 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5846                 info.rodata_data = &tg3TsoFwRodata[0];
5847                 info.data_base = TG3_TSO_FW_DATA_ADDR;
5848                 info.data_len = TG3_TSO_FW_DATA_LEN;
5849                 info.data_data = &tg3TsoFwData[0];
5850                 cpu_base = TX_CPU_BASE;
5851                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5852                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5853         }
5854
5855         err = tg3_load_firmware_cpu(tp, cpu_base,
5856                                     cpu_scratch_base, cpu_scratch_size,
5857                                     &info);
5858         if (err)
5859                 return err;
5860
5861         /* Now startup the cpu. */
5862         tw32(cpu_base + CPU_STATE, 0xffffffff);
5863         tw32_f(cpu_base + CPU_PC,    info.text_base);
5864
5865         for (i = 0; i < 5; i++) {
5866                 if (tr32(cpu_base + CPU_PC) == info.text_base)
5867                         break;
5868                 tw32(cpu_base + CPU_STATE, 0xffffffff);
5869                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
5870                 tw32_f(cpu_base + CPU_PC,    info.text_base);
5871                 udelay(1000);
5872         }
5873         if (i >= 5) {
5874                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5875                        "to set CPU PC, is %08x should be %08x\n",
5876                        tp->dev->name, tr32(cpu_base + CPU_PC),
5877                        info.text_base);
5878                 return -ENODEV;
5879         }
5880         tw32(cpu_base + CPU_STATE, 0xffffffff);
5881         tw32_f(cpu_base + CPU_MODE,  0x00000000);
5882         return 0;
5883 }
5884
5885 #endif /* TG3_TSO_SUPPORT != 0 */
5886
5887 /* tp->lock is held. */
5888 static void __tg3_set_mac_addr(struct tg3 *tp)
5889 {
5890         u32 addr_high, addr_low;
5891         int i;
5892
5893         addr_high = ((tp->dev->dev_addr[0] << 8) |
5894                      tp->dev->dev_addr[1]);
5895         addr_low = ((tp->dev->dev_addr[2] << 24) |
5896                     (tp->dev->dev_addr[3] << 16) |
5897                     (tp->dev->dev_addr[4] <<  8) |
5898                     (tp->dev->dev_addr[5] <<  0));
5899         for (i = 0; i < 4; i++) {
5900                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5901                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5902         }
5903
5904         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5905             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5906                 for (i = 0; i < 12; i++) {
5907                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5908                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5909                 }
5910         }
5911
5912         addr_high = (tp->dev->dev_addr[0] +
5913                      tp->dev->dev_addr[1] +
5914                      tp->dev->dev_addr[2] +
5915                      tp->dev->dev_addr[3] +
5916                      tp->dev->dev_addr[4] +
5917                      tp->dev->dev_addr[5]) &
5918                 TX_BACKOFF_SEED_MASK;
5919         tw32(MAC_TX_BACKOFF_SEED, addr_high);
5920 }
5921
5922 static int tg3_set_mac_addr(struct net_device *dev, void *p)
5923 {
5924         struct tg3 *tp = netdev_priv(dev);
5925         struct sockaddr *addr = p;
5926         int err = 0;
5927
5928         if (!is_valid_ether_addr(addr->sa_data))
5929                 return -EINVAL;
5930
5931         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5932
5933         if (!netif_running(dev))
5934                 return 0;
5935
5936         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5937                 /* Reset chip so that ASF can re-init any MAC addresses it
5938                  * needs.
5939                  */
5940                 tg3_netif_stop(tp);
5941                 tg3_full_lock(tp, 1);
5942
5943                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5944                 err = tg3_restart_hw(tp, 0);
5945                 if (!err)
5946                         tg3_netif_start(tp);
5947                 tg3_full_unlock(tp);
5948         } else {
5949                 spin_lock_bh(&tp->lock);
5950                 __tg3_set_mac_addr(tp);
5951                 spin_unlock_bh(&tp->lock);
5952         }
5953
5954         return err;
5955 }
5956
5957 /* tp->lock is held. */
5958 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5959                            dma_addr_t mapping, u32 maxlen_flags,
5960                            u32 nic_addr)
5961 {
5962         tg3_write_mem(tp,
5963                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5964                       ((u64) mapping >> 32));
5965         tg3_write_mem(tp,
5966                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5967                       ((u64) mapping & 0xffffffff));
5968         tg3_write_mem(tp,
5969                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5970                        maxlen_flags);
5971
5972         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5973                 tg3_write_mem(tp,
5974                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5975                               nic_addr);
5976 }
5977
5978 static void __tg3_set_rx_mode(struct net_device *);
5979 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
5980 {
5981         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5982         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5983         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5984         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5985         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5986                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5987                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5988         }
5989         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5990         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5991         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5992                 u32 val = ec->stats_block_coalesce_usecs;
5993
5994                 if (!netif_carrier_ok(tp->dev))
5995                         val = 0;
5996
5997                 tw32(HOSTCC_STAT_COAL_TICKS, val);
5998         }
5999 }
6000
6001 /* tp->lock is held. */
6002 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6003 {
6004         u32 val, rdmac_mode;
6005         int i, err, limit;
6006
6007         tg3_disable_ints(tp);
6008
6009         tg3_stop_fw(tp);
6010
6011         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6012
6013         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6014                 tg3_abort_hw(tp, 1);
6015         }
6016
6017         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) && reset_phy)
6018                 tg3_phy_reset(tp);
6019
6020         err = tg3_chip_reset(tp);
6021         if (err)
6022                 return err;
6023
6024         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6025
6026         /* This works around an issue with Athlon chipsets on
6027          * B3 tigon3 silicon.  This bit has no effect on any
6028          * other revision.  But do not set this on PCI Express
6029          * chips.
6030          */
6031         if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6032                 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6033         tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6034
6035         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6036             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6037                 val = tr32(TG3PCI_PCISTATE);
6038                 val |= PCISTATE_RETRY_SAME_DMA;
6039                 tw32(TG3PCI_PCISTATE, val);
6040         }
6041
6042         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6043                 /* Enable some hw fixes.  */
6044                 val = tr32(TG3PCI_MSI_DATA);
6045                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6046                 tw32(TG3PCI_MSI_DATA, val);
6047         }
6048
6049         /* Descriptor ring init may make accesses to the
6050          * NIC SRAM area to setup the TX descriptors, so we
6051          * can only do this after the hardware has been
6052          * successfully reset.
6053          */
6054         err = tg3_init_rings(tp);
6055         if (err)
6056                 return err;
6057
6058         /* This value is determined during the probe time DMA
6059          * engine test, tg3_test_dma.
6060          */
6061         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6062
6063         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6064                           GRC_MODE_4X_NIC_SEND_RINGS |
6065                           GRC_MODE_NO_TX_PHDR_CSUM |
6066                           GRC_MODE_NO_RX_PHDR_CSUM);
6067         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6068
6069         /* Pseudo-header checksum is done by hardware logic and not
6070          * the offload processers, so make the chip do the pseudo-
6071          * header checksums on receive.  For transmit it is more
6072          * convenient to do the pseudo-header checksum in software
6073          * as Linux does that on transmit for us in all cases.
6074          */
6075         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6076
6077         tw32(GRC_MODE,
6078              tp->grc_mode |
6079              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6080
6081         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6082         val = tr32(GRC_MISC_CFG);
6083         val &= ~0xff;
6084         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6085         tw32(GRC_MISC_CFG, val);
6086
6087         /* Initialize MBUF/DESC pool. */
6088         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6089                 /* Do nothing.  */
6090         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6091                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6092                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6093                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6094                 else
6095                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6096                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6097                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6098         }
6099 #if TG3_TSO_SUPPORT != 0
6100         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6101                 int fw_len;
6102
6103                 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6104                           TG3_TSO5_FW_RODATA_LEN +
6105                           TG3_TSO5_FW_DATA_LEN +
6106                           TG3_TSO5_FW_SBSS_LEN +
6107                           TG3_TSO5_FW_BSS_LEN);
6108                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6109                 tw32(BUFMGR_MB_POOL_ADDR,
6110                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6111                 tw32(BUFMGR_MB_POOL_SIZE,
6112                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6113         }
6114 #endif
6115
6116         if (tp->dev->mtu <= ETH_DATA_LEN) {
6117                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6118                      tp->bufmgr_config.mbuf_read_dma_low_water);
6119                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6120                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6121                 tw32(BUFMGR_MB_HIGH_WATER,
6122                      tp->bufmgr_config.mbuf_high_water);
6123         } else {
6124                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6125                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6126                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6127                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6128                 tw32(BUFMGR_MB_HIGH_WATER,
6129                      tp->bufmgr_config.mbuf_high_water_jumbo);
6130         }
6131         tw32(BUFMGR_DMA_LOW_WATER,
6132              tp->bufmgr_config.dma_low_water);
6133         tw32(BUFMGR_DMA_HIGH_WATER,
6134              tp->bufmgr_config.dma_high_water);
6135
6136         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6137         for (i = 0; i < 2000; i++) {
6138                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6139                         break;
6140                 udelay(10);
6141         }
6142         if (i >= 2000) {
6143                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6144                        tp->dev->name);
6145                 return -ENODEV;
6146         }
6147
6148         /* Setup replenish threshold. */
6149         val = tp->rx_pending / 8;
6150         if (val == 0)
6151                 val = 1;
6152         else if (val > tp->rx_std_max_post)
6153                 val = tp->rx_std_max_post;
6154         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6155                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6156                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6157
6158                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6159                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6160         }
6161
6162         tw32(RCVBDI_STD_THRESH, val);
6163
6164         /* Initialize TG3_BDINFO's at:
6165          *  RCVDBDI_STD_BD:     standard eth size rx ring
6166          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6167          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6168          *
6169          * like so:
6170          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6171          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6172          *                              ring attribute flags
6173          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6174          *
6175          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6176          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6177          *
6178          * The size of each ring is fixed in the firmware, but the location is
6179          * configurable.
6180          */
6181         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6182              ((u64) tp->rx_std_mapping >> 32));
6183         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6184              ((u64) tp->rx_std_mapping & 0xffffffff));
6185         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6186              NIC_SRAM_RX_BUFFER_DESC);
6187
6188         /* Don't even try to program the JUMBO/MINI buffer descriptor
6189          * configs on 5705.
6190          */
6191         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6192                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6193                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6194         } else {
6195                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6196                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6197
6198                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6199                      BDINFO_FLAGS_DISABLED);
6200
6201                 /* Setup replenish threshold. */
6202                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6203
6204                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6205                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6206                              ((u64) tp->rx_jumbo_mapping >> 32));
6207                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6208                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6209                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6210                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6211                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6212                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6213                 } else {
6214                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6215                              BDINFO_FLAGS_DISABLED);
6216                 }
6217
6218         }
6219
6220         /* There is only one send ring on 5705/5750, no need to explicitly
6221          * disable the others.
6222          */
6223         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6224                 /* Clear out send RCB ring in SRAM. */
6225                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6226                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6227                                       BDINFO_FLAGS_DISABLED);
6228         }
6229
6230         tp->tx_prod = 0;
6231         tp->tx_cons = 0;
6232         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6233         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6234
6235         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6236                        tp->tx_desc_mapping,
6237                        (TG3_TX_RING_SIZE <<
6238                         BDINFO_FLAGS_MAXLEN_SHIFT),
6239                        NIC_SRAM_TX_BUFFER_DESC);
6240
6241         /* There is only one receive return ring on 5705/5750, no need
6242          * to explicitly disable the others.
6243          */
6244         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6245                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6246                      i += TG3_BDINFO_SIZE) {
6247                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6248                                       BDINFO_FLAGS_DISABLED);
6249                 }
6250         }
6251
6252         tp->rx_rcb_ptr = 0;
6253         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6254
6255         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6256                        tp->rx_rcb_mapping,
6257                        (TG3_RX_RCB_RING_SIZE(tp) <<
6258                         BDINFO_FLAGS_MAXLEN_SHIFT),
6259                        0);
6260
6261         tp->rx_std_ptr = tp->rx_pending;
6262         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6263                      tp->rx_std_ptr);
6264
6265         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6266                                                 tp->rx_jumbo_pending : 0;
6267         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6268                      tp->rx_jumbo_ptr);
6269
6270         /* Initialize MAC address and backoff seed. */
6271         __tg3_set_mac_addr(tp);
6272
6273         /* MTU + ethernet header + FCS + optional VLAN tag */
6274         tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6275
6276         /* The slot time is changed by tg3_setup_phy if we
6277          * run at gigabit with half duplex.
6278          */
6279         tw32(MAC_TX_LENGTHS,
6280              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6281              (6 << TX_LENGTHS_IPG_SHIFT) |
6282              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6283
6284         /* Receive rules. */
6285         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6286         tw32(RCVLPC_CONFIG, 0x0181);
6287
6288         /* Calculate RDMAC_MODE setting early, we need it to determine
6289          * the RCVLPC_STATE_ENABLE mask.
6290          */
6291         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6292                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6293                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6294                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6295                       RDMAC_MODE_LNGREAD_ENAB);
6296         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6297                 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
6298
6299         /* If statement applies to 5705 and 5750 PCI devices only */
6300         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6301              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6302             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6303                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6304                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6305                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6306                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6307                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6308                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6309                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6310                 }
6311         }
6312
6313         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6314                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6315
6316 #if TG3_TSO_SUPPORT != 0
6317         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6318                 rdmac_mode |= (1 << 27);
6319 #endif
6320
6321         /* Receive/send statistics. */
6322         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6323                 val = tr32(RCVLPC_STATS_ENABLE);
6324                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6325                 tw32(RCVLPC_STATS_ENABLE, val);
6326         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6327                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6328                 val = tr32(RCVLPC_STATS_ENABLE);
6329                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6330                 tw32(RCVLPC_STATS_ENABLE, val);
6331         } else {
6332                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6333         }
6334         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6335         tw32(SNDDATAI_STATSENAB, 0xffffff);
6336         tw32(SNDDATAI_STATSCTRL,
6337              (SNDDATAI_SCTRL_ENABLE |
6338               SNDDATAI_SCTRL_FASTUPD));
6339
6340         /* Setup host coalescing engine. */
6341         tw32(HOSTCC_MODE, 0);
6342         for (i = 0; i < 2000; i++) {
6343                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6344                         break;
6345                 udelay(10);
6346         }
6347
6348         __tg3_set_coalesce(tp, &tp->coal);
6349
6350         /* set status block DMA address */
6351         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6352              ((u64) tp->status_mapping >> 32));
6353         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6354              ((u64) tp->status_mapping & 0xffffffff));
6355
6356         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6357                 /* Status/statistics block address.  See tg3_timer,
6358                  * the tg3_periodic_fetch_stats call there, and
6359                  * tg3_get_stats to see how this works for 5705/5750 chips.
6360                  */
6361                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6362                      ((u64) tp->stats_mapping >> 32));
6363                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6364                      ((u64) tp->stats_mapping & 0xffffffff));
6365                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6366                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6367         }
6368
6369         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6370
6371         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6372         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6373         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6374                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6375
6376         /* Clear statistics/status block in chip, and status block in ram. */
6377         for (i = NIC_SRAM_STATS_BLK;
6378              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6379              i += sizeof(u32)) {
6380                 tg3_write_mem(tp, i, 0);
6381                 udelay(40);
6382         }
6383         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6384
6385         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6386                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6387                 /* reset to prevent losing 1st rx packet intermittently */
6388                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6389                 udelay(10);
6390         }
6391
6392         tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6393                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6394         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6395         udelay(40);
6396
6397         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6398          * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
6399          * register to preserve the GPIO settings for LOMs. The GPIOs,
6400          * whether used as inputs or outputs, are set by boot code after
6401          * reset.
6402          */
6403         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
6404                 u32 gpio_mask;
6405
6406                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
6407                             GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
6408
6409                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6410                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6411                                      GRC_LCLCTRL_GPIO_OUTPUT3;
6412
6413                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6414                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6415
6416                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6417
6418                 /* GPIO1 must be driven high for eeprom write protect */
6419                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6420                                        GRC_LCLCTRL_GPIO_OUTPUT1);
6421         }
6422         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6423         udelay(100);
6424
6425         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6426         tp->last_tag = 0;
6427
6428         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6429                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6430                 udelay(40);
6431         }
6432
6433         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6434                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6435                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6436                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6437                WDMAC_MODE_LNGREAD_ENAB);
6438
6439         /* If statement applies to 5705 and 5750 PCI devices only */
6440         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6441              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6442             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6443                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6444                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6445                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6446                         /* nothing */
6447                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6448                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6449                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6450                         val |= WDMAC_MODE_RX_ACCEL;
6451                 }
6452         }
6453
6454         /* Enable host coalescing bug fix */
6455         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6456             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
6457                 val |= (1 << 29);
6458
6459         tw32_f(WDMAC_MODE, val);
6460         udelay(40);
6461
6462         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6463                 val = tr32(TG3PCI_X_CAPS);
6464                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6465                         val &= ~PCIX_CAPS_BURST_MASK;
6466                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6467                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6468                         val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6469                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6470                         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6471                                 val |= (tp->split_mode_max_reqs <<
6472                                         PCIX_CAPS_SPLIT_SHIFT);
6473                 }
6474                 tw32(TG3PCI_X_CAPS, val);
6475         }
6476
6477         tw32_f(RDMAC_MODE, rdmac_mode);
6478         udelay(40);
6479
6480         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6481         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6482                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6483         tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6484         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6485         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6486         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6487         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6488 #if TG3_TSO_SUPPORT != 0
6489         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6490                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6491 #endif
6492         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6493         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6494
6495         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6496                 err = tg3_load_5701_a0_firmware_fix(tp);
6497                 if (err)
6498                         return err;
6499         }
6500
6501 #if TG3_TSO_SUPPORT != 0
6502         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6503                 err = tg3_load_tso_firmware(tp);
6504                 if (err)
6505                         return err;
6506         }
6507 #endif
6508
6509         tp->tx_mode = TX_MODE_ENABLE;
6510         tw32_f(MAC_TX_MODE, tp->tx_mode);
6511         udelay(100);
6512
6513         tp->rx_mode = RX_MODE_ENABLE;
6514         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6515                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6516
6517         tw32_f(MAC_RX_MODE, tp->rx_mode);
6518         udelay(10);
6519
6520         if (tp->link_config.phy_is_low_power) {
6521                 tp->link_config.phy_is_low_power = 0;
6522                 tp->link_config.speed = tp->link_config.orig_speed;
6523                 tp->link_config.duplex = tp->link_config.orig_duplex;
6524                 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6525         }
6526
6527         tp->mi_mode = MAC_MI_MODE_BASE;
6528         tw32_f(MAC_MI_MODE, tp->mi_mode);
6529         udelay(80);
6530
6531         tw32(MAC_LED_CTRL, tp->led_ctrl);
6532
6533         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6534         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6535                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6536                 udelay(10);
6537         }
6538         tw32_f(MAC_RX_MODE, tp->rx_mode);
6539         udelay(10);
6540
6541         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6542                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6543                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6544                         /* Set drive transmission level to 1.2V  */
6545                         /* only if the signal pre-emphasis bit is not set  */
6546                         val = tr32(MAC_SERDES_CFG);
6547                         val &= 0xfffff000;
6548                         val |= 0x880;
6549                         tw32(MAC_SERDES_CFG, val);
6550                 }
6551                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6552                         tw32(MAC_SERDES_CFG, 0x616000);
6553         }
6554
6555         /* Prevent chip from dropping frames when flow control
6556          * is enabled.
6557          */
6558         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6559
6560         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6561             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6562                 /* Use hardware link auto-negotiation */
6563                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6564         }
6565
6566         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6567             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6568                 u32 tmp;
6569
6570                 tmp = tr32(SERDES_RX_CTRL);
6571                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6572                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6573                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6574                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6575         }
6576
6577         err = tg3_setup_phy(tp, reset_phy);
6578         if (err)
6579                 return err;
6580
6581         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6582             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6583                 u32 tmp;
6584
6585                 /* Clear CRC stats. */
6586                 if (!tg3_readphy(tp, 0x1e, &tmp)) {
6587                         tg3_writephy(tp, 0x1e, tmp | 0x8000);
6588                         tg3_readphy(tp, 0x14, &tmp);
6589                 }
6590         }
6591
6592         __tg3_set_rx_mode(tp->dev);
6593
6594         /* Initialize receive rules. */
6595         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
6596         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6597         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
6598         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6599
6600         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6601             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6602                 limit = 8;
6603         else
6604                 limit = 16;
6605         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6606                 limit -= 4;
6607         switch (limit) {
6608         case 16:
6609                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
6610         case 15:
6611                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
6612         case 14:
6613                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
6614         case 13:
6615                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
6616         case 12:
6617                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
6618         case 11:
6619                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
6620         case 10:
6621                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
6622         case 9:
6623                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
6624         case 8:
6625                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
6626         case 7:
6627                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
6628         case 6:
6629                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
6630         case 5:
6631                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
6632         case 4:
6633                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
6634         case 3:
6635                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
6636         case 2:
6637         case 1:
6638
6639         default:
6640                 break;
6641         };
6642
6643         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6644
6645         return 0;
6646 }
6647
6648 /* Called at device open time to get the chip ready for
6649  * packet processing.  Invoked with tp->lock held.
6650  */
6651 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
6652 {
6653         int err;
6654
6655         /* Force the chip into D0. */
6656         err = tg3_set_power_state(tp, PCI_D0);
6657         if (err)
6658                 goto out;
6659
6660         tg3_switch_clocks(tp);
6661
6662         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6663
6664         err = tg3_reset_hw(tp, reset_phy);
6665
6666 out:
6667         return err;
6668 }
6669
6670 #define TG3_STAT_ADD32(PSTAT, REG) \
6671 do {    u32 __val = tr32(REG); \
6672         (PSTAT)->low += __val; \
6673         if ((PSTAT)->low < __val) \
6674                 (PSTAT)->high += 1; \
6675 } while (0)
6676
6677 static void tg3_periodic_fetch_stats(struct tg3 *tp)
6678 {
6679         struct tg3_hw_stats *sp = tp->hw_stats;
6680
6681         if (!netif_carrier_ok(tp->dev))
6682                 return;
6683
6684         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6685         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6686         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6687         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6688         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6689         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6690         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6691         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6692         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6693         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6694         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6695         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6696         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6697
6698         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6699         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6700         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6701         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6702         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6703         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6704         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6705         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6706         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6707         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6708         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6709         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6710         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6711         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6712
6713         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6714         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6715         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
6716 }
6717
6718 static void tg3_timer(unsigned long __opaque)
6719 {
6720         struct tg3 *tp = (struct tg3 *) __opaque;
6721
6722         if (tp->irq_sync)
6723                 goto restart_timer;
6724
6725         spin_lock(&tp->lock);
6726
6727         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6728                 /* All of this garbage is because when using non-tagged
6729                  * IRQ status the mailbox/status_block protocol the chip
6730                  * uses with the cpu is race prone.
6731                  */
6732                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6733                         tw32(GRC_LOCAL_CTRL,
6734                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6735                 } else {
6736                         tw32(HOSTCC_MODE, tp->coalesce_mode |
6737                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6738                 }
6739
6740                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6741                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
6742                         spin_unlock(&tp->lock);
6743                         schedule_work(&tp->reset_task);
6744                         return;
6745                 }
6746         }
6747
6748         /* This part only runs once per second. */
6749         if (!--tp->timer_counter) {
6750                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6751                         tg3_periodic_fetch_stats(tp);
6752
6753                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6754                         u32 mac_stat;
6755                         int phy_event;
6756
6757                         mac_stat = tr32(MAC_STATUS);
6758
6759                         phy_event = 0;
6760                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6761                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6762                                         phy_event = 1;
6763                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6764                                 phy_event = 1;
6765
6766                         if (phy_event)
6767                                 tg3_setup_phy(tp, 0);
6768                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6769                         u32 mac_stat = tr32(MAC_STATUS);
6770                         int need_setup = 0;
6771
6772                         if (netif_carrier_ok(tp->dev) &&
6773                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6774                                 need_setup = 1;
6775                         }
6776                         if (! netif_carrier_ok(tp->dev) &&
6777                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
6778                                          MAC_STATUS_SIGNAL_DET))) {
6779                                 need_setup = 1;
6780                         }
6781                         if (need_setup) {
6782                                 if (!tp->serdes_counter) {
6783                                         tw32_f(MAC_MODE,
6784                                              (tp->mac_mode &
6785                                               ~MAC_MODE_PORT_MODE_MASK));
6786                                         udelay(40);
6787                                         tw32_f(MAC_MODE, tp->mac_mode);
6788                                         udelay(40);
6789                                 }
6790                                 tg3_setup_phy(tp, 0);
6791                         }
6792                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6793                         tg3_serdes_parallel_detect(tp);
6794
6795                 tp->timer_counter = tp->timer_multiplier;
6796         }
6797
6798         /* Heartbeat is only sent once every 2 seconds.
6799          *
6800          * The heartbeat is to tell the ASF firmware that the host
6801          * driver is still alive.  In the event that the OS crashes,
6802          * ASF needs to reset the hardware to free up the FIFO space
6803          * that may be filled with rx packets destined for the host.
6804          * If the FIFO is full, ASF will no longer function properly.
6805          *
6806          * Unintended resets have been reported on real time kernels
6807          * where the timer doesn't run on time.  Netpoll will also have
6808          * same problem.
6809          *
6810          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6811          * to check the ring condition when the heartbeat is expiring
6812          * before doing the reset.  This will prevent most unintended
6813          * resets.
6814          */
6815         if (!--tp->asf_counter) {
6816                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6817                         u32 val;
6818
6819                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
6820                                       FWCMD_NICDRV_ALIVE3);
6821                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6822                         /* 5 seconds timeout */
6823                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
6824                         val = tr32(GRC_RX_CPU_EVENT);
6825                         val |= (1 << 14);
6826                         tw32(GRC_RX_CPU_EVENT, val);
6827                 }
6828                 tp->asf_counter = tp->asf_multiplier;
6829         }
6830
6831         spin_unlock(&tp->lock);
6832
6833 restart_timer:
6834         tp->timer.expires = jiffies + tp->timer_offset;
6835         add_timer(&tp->timer);
6836 }
6837
6838 static int tg3_request_irq(struct tg3 *tp)
6839 {
6840         irq_handler_t fn;
6841         unsigned long flags;
6842         struct net_device *dev = tp->dev;
6843
6844         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6845                 fn = tg3_msi;
6846                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6847                         fn = tg3_msi_1shot;
6848                 flags = IRQF_SAMPLE_RANDOM;
6849         } else {
6850                 fn = tg3_interrupt;
6851                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6852                         fn = tg3_interrupt_tagged;
6853                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
6854         }
6855         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6856 }
6857
6858 static int tg3_test_interrupt(struct tg3 *tp)
6859 {
6860         struct net_device *dev = tp->dev;
6861         int err, i, intr_ok = 0;
6862
6863         if (!netif_running(dev))
6864                 return -ENODEV;
6865
6866         tg3_disable_ints(tp);
6867
6868         free_irq(tp->pdev->irq, dev);
6869
6870         err = request_irq(tp->pdev->irq, tg3_test_isr,
6871                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
6872         if (err)
6873                 return err;
6874
6875         tp->hw_status->status &= ~SD_STATUS_UPDATED;
6876         tg3_enable_ints(tp);
6877
6878         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6879                HOSTCC_MODE_NOW);
6880
6881         for (i = 0; i < 5; i++) {
6882                 u32 int_mbox, misc_host_ctrl;
6883
6884                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6885                                         TG3_64BIT_REG_LOW);
6886                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6887
6888                 if ((int_mbox != 0) ||
6889                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6890                         intr_ok = 1;
6891                         break;
6892                 }
6893
6894                 msleep(10);
6895         }
6896
6897         tg3_disable_ints(tp);
6898
6899         free_irq(tp->pdev->irq, dev);
6900
6901         err = tg3_request_irq(tp);
6902
6903         if (err)
6904                 return err;
6905
6906         if (intr_ok)
6907                 return 0;
6908
6909         return -EIO;
6910 }
6911
6912 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6913  * successfully restored
6914  */
6915 static int tg3_test_msi(struct tg3 *tp)
6916 {
6917         struct net_device *dev = tp->dev;
6918         int err;
6919         u16 pci_cmd;
6920
6921         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6922                 return 0;
6923
6924         /* Turn off SERR reporting in case MSI terminates with Master
6925          * Abort.
6926          */
6927         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6928         pci_write_config_word(tp->pdev, PCI_COMMAND,
6929                               pci_cmd & ~PCI_COMMAND_SERR);
6930
6931         err = tg3_test_interrupt(tp);
6932
6933         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6934
6935         if (!err)
6936                 return 0;
6937
6938         /* other failures */
6939         if (err != -EIO)
6940                 return err;
6941
6942         /* MSI test failed, go back to INTx mode */
6943         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6944                "switching to INTx mode. Please report this failure to "
6945                "the PCI maintainer and include system chipset information.\n",
6946                        tp->dev->name);
6947
6948         free_irq(tp->pdev->irq, dev);
6949         pci_disable_msi(tp->pdev);
6950
6951         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6952
6953         err = tg3_request_irq(tp);
6954         if (err)
6955                 return err;
6956
6957         /* Need to reset the chip because the MSI cycle may have terminated
6958          * with Master Abort.
6959          */
6960         tg3_full_lock(tp, 1);
6961
6962         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6963         err = tg3_init_hw(tp, 1);
6964
6965         tg3_full_unlock(tp);
6966
6967         if (err)
6968                 free_irq(tp->pdev->irq, dev);
6969
6970         return err;
6971 }
6972
6973 static int tg3_open(struct net_device *dev)
6974 {
6975         struct tg3 *tp = netdev_priv(dev);
6976         int err;
6977
6978         tg3_full_lock(tp, 0);
6979
6980         err = tg3_set_power_state(tp, PCI_D0);
6981         if (err)
6982                 return err;
6983
6984         tg3_disable_ints(tp);
6985         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6986
6987         tg3_full_unlock(tp);
6988
6989         /* The placement of this call is tied
6990          * to the setup and use of Host TX descriptors.
6991          */
6992         err = tg3_alloc_consistent(tp);
6993         if (err)
6994                 return err;
6995
6996         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
6997             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
6998             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
6999             !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7000               (tp->pdev_peer == tp->pdev))) {
7001                 /* All MSI supporting chips should support tagged
7002                  * status.  Assert that this is the case.
7003                  */
7004                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7005                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7006                                "Not using MSI.\n", tp->dev->name);
7007                 } else if (pci_enable_msi(tp->pdev) == 0) {
7008                         u32 msi_mode;
7009
7010                         msi_mode = tr32(MSGINT_MODE);
7011                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7012                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7013                 }
7014         }
7015         err = tg3_request_irq(tp);
7016
7017         if (err) {
7018                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7019                         pci_disable_msi(tp->pdev);
7020                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7021                 }
7022                 tg3_free_consistent(tp);
7023                 return err;
7024         }
7025
7026         tg3_full_lock(tp, 0);
7027
7028         err = tg3_init_hw(tp, 1);
7029         if (err) {
7030                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7031                 tg3_free_rings(tp);
7032         } else {
7033                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7034                         tp->timer_offset = HZ;
7035                 else
7036                         tp->timer_offset = HZ / 10;
7037
7038                 BUG_ON(tp->timer_offset > HZ);
7039                 tp->timer_counter = tp->timer_multiplier =
7040                         (HZ / tp->timer_offset);
7041                 tp->asf_counter = tp->asf_multiplier =
7042                         ((HZ / tp->timer_offset) * 2);
7043
7044                 init_timer(&tp->timer);
7045                 tp->timer.expires = jiffies + tp->timer_offset;
7046                 tp->timer.data = (unsigned long) tp;
7047                 tp->timer.function = tg3_timer;
7048         }
7049
7050         tg3_full_unlock(tp);
7051
7052         if (err) {
7053                 free_irq(tp->pdev->irq, dev);
7054                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7055                         pci_disable_msi(tp->pdev);
7056                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7057                 }
7058                 tg3_free_consistent(tp);
7059                 return err;
7060         }
7061
7062         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7063                 err = tg3_test_msi(tp);
7064
7065                 if (err) {
7066                         tg3_full_lock(tp, 0);
7067
7068                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7069                                 pci_disable_msi(tp->pdev);
7070                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7071                         }
7072                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7073                         tg3_free_rings(tp);
7074                         tg3_free_consistent(tp);
7075
7076                         tg3_full_unlock(tp);
7077
7078                         return err;
7079                 }
7080
7081                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7082                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7083                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7084
7085                                 tw32(PCIE_TRANSACTION_CFG,
7086                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7087                         }
7088                 }
7089         }
7090
7091         tg3_full_lock(tp, 0);
7092
7093         add_timer(&tp->timer);
7094         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7095         tg3_enable_ints(tp);
7096
7097         tg3_full_unlock(tp);
7098
7099         netif_start_queue(dev);
7100
7101         return 0;
7102 }
7103
7104 #if 0
7105 /*static*/ void tg3_dump_state(struct tg3 *tp)
7106 {
7107         u32 val32, val32_2, val32_3, val32_4, val32_5;
7108         u16 val16;
7109         int i;
7110
7111         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7112         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7113         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7114                val16, val32);
7115
7116         /* MAC block */
7117         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7118                tr32(MAC_MODE), tr32(MAC_STATUS));
7119         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7120                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7121         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7122                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7123         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7124                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7125
7126         /* Send data initiator control block */
7127         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7128                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7129         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7130                tr32(SNDDATAI_STATSCTRL));
7131
7132         /* Send data completion control block */
7133         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7134
7135         /* Send BD ring selector block */
7136         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7137                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7138
7139         /* Send BD initiator control block */
7140         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7141                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7142
7143         /* Send BD completion control block */
7144         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7145
7146         /* Receive list placement control block */
7147         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7148                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7149         printk("       RCVLPC_STATSCTRL[%08x]\n",
7150                tr32(RCVLPC_STATSCTRL));
7151
7152         /* Receive data and receive BD initiator control block */
7153         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7154                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7155
7156         /* Receive data completion control block */
7157         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7158                tr32(RCVDCC_MODE));
7159
7160         /* Receive BD initiator control block */
7161         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7162                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7163
7164         /* Receive BD completion control block */
7165         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7166                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7167
7168         /* Receive list selector control block */
7169         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7170                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7171
7172         /* Mbuf cluster free block */
7173         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7174                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7175
7176         /* Host coalescing control block */
7177         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7178                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7179         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7180                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7181                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7182         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7183                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7184                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7185         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7186                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7187         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7188                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7189
7190         /* Memory arbiter control block */
7191         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7192                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7193
7194         /* Buffer manager control block */
7195         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7196                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7197         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7198                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7199         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7200                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7201                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7202                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7203
7204         /* Read DMA control block */
7205         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7206                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7207
7208         /* Write DMA control block */
7209         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7210                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7211
7212         /* DMA completion block */
7213         printk("DEBUG: DMAC_MODE[%08x]\n",
7214                tr32(DMAC_MODE));
7215
7216         /* GRC block */
7217         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7218                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7219         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7220                tr32(GRC_LOCAL_CTRL));
7221
7222         /* TG3_BDINFOs */
7223         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7224                tr32(RCVDBDI_JUMBO_BD + 0x0),
7225                tr32(RCVDBDI_JUMBO_BD + 0x4),
7226                tr32(RCVDBDI_JUMBO_BD + 0x8),
7227                tr32(RCVDBDI_JUMBO_BD + 0xc));
7228         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7229                tr32(RCVDBDI_STD_BD + 0x0),
7230                tr32(RCVDBDI_STD_BD + 0x4),
7231                tr32(RCVDBDI_STD_BD + 0x8),
7232                tr32(RCVDBDI_STD_BD + 0xc));
7233         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7234                tr32(RCVDBDI_MINI_BD + 0x0),
7235                tr32(RCVDBDI_MINI_BD + 0x4),
7236                tr32(RCVDBDI_MINI_BD + 0x8),
7237                tr32(RCVDBDI_MINI_BD + 0xc));
7238
7239         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7240         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7241         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7242         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7243         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7244                val32, val32_2, val32_3, val32_4);
7245
7246         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7247         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7248         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7249         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7250         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7251                val32, val32_2, val32_3, val32_4);
7252
7253         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7254         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7255         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7256         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7257         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7258         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7259                val32, val32_2, val32_3, val32_4, val32_5);
7260
7261         /* SW status block */
7262         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7263                tp->hw_status->status,
7264                tp->hw_status->status_tag,
7265                tp->hw_status->rx_jumbo_consumer,
7266                tp->hw_status->rx_consumer,
7267                tp->hw_status->rx_mini_consumer,
7268                tp->hw_status->idx[0].rx_producer,
7269                tp->hw_status->idx[0].tx_consumer);
7270
7271         /* SW statistics block */
7272         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7273                ((u32 *)tp->hw_stats)[0],
7274                ((u32 *)tp->hw_stats)[1],
7275                ((u32 *)tp->hw_stats)[2],
7276                ((u32 *)tp->hw_stats)[3]);
7277
7278         /* Mailboxes */
7279         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7280                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7281                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7282                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7283                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7284
7285         /* NIC side send descriptors. */
7286         for (i = 0; i < 6; i++) {
7287                 unsigned long txd;
7288
7289                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7290                         + (i * sizeof(struct tg3_tx_buffer_desc));
7291                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7292                        i,
7293                        readl(txd + 0x0), readl(txd + 0x4),
7294                        readl(txd + 0x8), readl(txd + 0xc));
7295         }
7296
7297         /* NIC side RX descriptors. */
7298         for (i = 0; i < 6; i++) {
7299                 unsigned long rxd;
7300
7301                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7302                         + (i * sizeof(struct tg3_rx_buffer_desc));
7303                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7304                        i,
7305                        readl(rxd + 0x0), readl(rxd + 0x4),
7306                        readl(rxd + 0x8), readl(rxd + 0xc));
7307                 rxd += (4 * sizeof(u32));
7308                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7309                        i,
7310                        readl(rxd + 0x0), readl(rxd + 0x4),
7311                        readl(rxd + 0x8), readl(rxd + 0xc));
7312         }
7313
7314         for (i = 0; i < 6; i++) {
7315                 unsigned long rxd;
7316
7317                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7318                         + (i * sizeof(struct tg3_rx_buffer_desc));
7319                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7320                        i,
7321                        readl(rxd + 0x0), readl(rxd + 0x4),
7322                        readl(rxd + 0x8), readl(rxd + 0xc));
7323                 rxd += (4 * sizeof(u32));
7324                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7325                        i,
7326                        readl(rxd + 0x0), readl(rxd + 0x4),
7327                        readl(rxd + 0x8), readl(rxd + 0xc));
7328         }
7329 }
7330 #endif
7331
7332 static struct net_device_stats *tg3_get_stats(struct net_device *);
7333 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7334
7335 static int tg3_close(struct net_device *dev)
7336 {
7337         struct tg3 *tp = netdev_priv(dev);
7338
7339         /* Calling flush_scheduled_work() may deadlock because
7340          * linkwatch_event() may be on the workqueue and it will try to get
7341          * the rtnl_lock which we are holding.
7342          */
7343         while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7344                 msleep(1);
7345
7346         netif_stop_queue(dev);
7347
7348         del_timer_sync(&tp->timer);
7349
7350         tg3_full_lock(tp, 1);
7351 #if 0
7352         tg3_dump_state(tp);
7353 #endif
7354
7355         tg3_disable_ints(tp);
7356
7357         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7358         tg3_free_rings(tp);
7359         tp->tg3_flags &=
7360                 ~(TG3_FLAG_INIT_COMPLETE |
7361                   TG3_FLAG_GOT_SERDES_FLOWCTL);
7362
7363         tg3_full_unlock(tp);
7364
7365         free_irq(tp->pdev->irq, dev);
7366         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7367                 pci_disable_msi(tp->pdev);
7368                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7369         }
7370
7371         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7372                sizeof(tp->net_stats_prev));
7373         memcpy(&tp->estats_prev, tg3_get_estats(tp),
7374                sizeof(tp->estats_prev));
7375
7376         tg3_free_consistent(tp);
7377
7378         tg3_set_power_state(tp, PCI_D3hot);
7379
7380         netif_carrier_off(tp->dev);
7381
7382         return 0;
7383 }
7384
7385 static inline unsigned long get_stat64(tg3_stat64_t *val)
7386 {
7387         unsigned long ret;
7388
7389 #if (BITS_PER_LONG == 32)
7390         ret = val->low;
7391 #else
7392         ret = ((u64)val->high << 32) | ((u64)val->low);
7393 #endif
7394         return ret;
7395 }
7396
7397 static unsigned long calc_crc_errors(struct tg3 *tp)
7398 {
7399         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7400
7401         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7402             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7403              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7404                 u32 val;
7405
7406                 spin_lock_bh(&tp->lock);
7407                 if (!tg3_readphy(tp, 0x1e, &val)) {
7408                         tg3_writephy(tp, 0x1e, val | 0x8000);
7409                         tg3_readphy(tp, 0x14, &val);
7410                 } else
7411                         val = 0;
7412                 spin_unlock_bh(&tp->lock);
7413
7414                 tp->phy_crc_errors += val;
7415
7416                 return tp->phy_crc_errors;
7417         }
7418
7419         return get_stat64(&hw_stats->rx_fcs_errors);
7420 }
7421
7422 #define ESTAT_ADD(member) \
7423         estats->member =        old_estats->member + \
7424                                 get_stat64(&hw_stats->member)
7425
7426 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7427 {
7428         struct tg3_ethtool_stats *estats = &tp->estats;
7429         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7430         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7431
7432         if (!hw_stats)
7433                 return old_estats;
7434
7435         ESTAT_ADD(rx_octets);
7436         ESTAT_ADD(rx_fragments);
7437         ESTAT_ADD(rx_ucast_packets);
7438         ESTAT_ADD(rx_mcast_packets);
7439         ESTAT_ADD(rx_bcast_packets);
7440         ESTAT_ADD(rx_fcs_errors);
7441         ESTAT_ADD(rx_align_errors);
7442         ESTAT_ADD(rx_xon_pause_rcvd);
7443         ESTAT_ADD(rx_xoff_pause_rcvd);
7444         ESTAT_ADD(rx_mac_ctrl_rcvd);
7445         ESTAT_ADD(rx_xoff_entered);
7446         ESTAT_ADD(rx_frame_too_long_errors);
7447         ESTAT_ADD(rx_jabbers);
7448         ESTAT_ADD(rx_undersize_packets);
7449         ESTAT_ADD(rx_in_length_errors);
7450         ESTAT_ADD(rx_out_length_errors);
7451         ESTAT_ADD(rx_64_or_less_octet_packets);
7452         ESTAT_ADD(rx_65_to_127_octet_packets);
7453         ESTAT_ADD(rx_128_to_255_octet_packets);
7454         ESTAT_ADD(rx_256_to_511_octet_packets);
7455         ESTAT_ADD(rx_512_to_1023_octet_packets);
7456         ESTAT_ADD(rx_1024_to_1522_octet_packets);
7457         ESTAT_ADD(rx_1523_to_2047_octet_packets);
7458         ESTAT_ADD(rx_2048_to_4095_octet_packets);
7459         ESTAT_ADD(rx_4096_to_8191_octet_packets);
7460         ESTAT_ADD(rx_8192_to_9022_octet_packets);
7461
7462         ESTAT_ADD(tx_octets);
7463         ESTAT_ADD(tx_collisions);
7464         ESTAT_ADD(tx_xon_sent);
7465         ESTAT_ADD(tx_xoff_sent);
7466         ESTAT_ADD(tx_flow_control);
7467         ESTAT_ADD(tx_mac_errors);
7468         ESTAT_ADD(tx_single_collisions);
7469         ESTAT_ADD(tx_mult_collisions);
7470         ESTAT_ADD(tx_deferred);
7471         ESTAT_ADD(tx_excessive_collisions);
7472         ESTAT_ADD(tx_late_collisions);
7473         ESTAT_ADD(tx_collide_2times);
7474         ESTAT_ADD(tx_collide_3times);
7475         ESTAT_ADD(tx_collide_4times);
7476         ESTAT_ADD(tx_collide_5times);
7477         ESTAT_ADD(tx_collide_6times);
7478         ESTAT_ADD(tx_collide_7times);
7479         ESTAT_ADD(tx_collide_8times);
7480         ESTAT_ADD(tx_collide_9times);
7481         ESTAT_ADD(tx_collide_10times);
7482         ESTAT_ADD(tx_collide_11times);
7483         ESTAT_ADD(tx_collide_12times);
7484         ESTAT_ADD(tx_collide_13times);
7485         ESTAT_ADD(tx_collide_14times);
7486         ESTAT_ADD(tx_collide_15times);
7487         ESTAT_ADD(tx_ucast_packets);
7488         ESTAT_ADD(tx_mcast_packets);
7489         ESTAT_ADD(tx_bcast_packets);
7490         ESTAT_ADD(tx_carrier_sense_errors);
7491         ESTAT_ADD(tx_discards);
7492         ESTAT_ADD(tx_errors);
7493
7494         ESTAT_ADD(dma_writeq_full);
7495         ESTAT_ADD(dma_write_prioq_full);
7496         ESTAT_ADD(rxbds_empty);
7497         ESTAT_ADD(rx_discards);
7498         ESTAT_ADD(rx_errors);
7499         ESTAT_ADD(rx_threshold_hit);
7500
7501         ESTAT_ADD(dma_readq_full);
7502         ESTAT_ADD(dma_read_prioq_full);
7503         ESTAT_ADD(tx_comp_queue_full);
7504
7505         ESTAT_ADD(ring_set_send_prod_index);
7506         ESTAT_ADD(ring_status_update);
7507         ESTAT_ADD(nic_irqs);
7508         ESTAT_ADD(nic_avoided_irqs);
7509         ESTAT_ADD(nic_tx_threshold_hit);
7510
7511         return estats;
7512 }
7513
7514 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7515 {
7516         struct tg3 *tp = netdev_priv(dev);
7517         struct net_device_stats *stats = &tp->net_stats;
7518         struct net_device_stats *old_stats = &tp->net_stats_prev;
7519         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7520
7521         if (!hw_stats)
7522                 return old_stats;
7523
7524         stats->rx_packets = old_stats->rx_packets +
7525                 get_stat64(&hw_stats->rx_ucast_packets) +
7526                 get_stat64(&hw_stats->rx_mcast_packets) +
7527                 get_stat64(&hw_stats->rx_bcast_packets);
7528
7529         stats->tx_packets = old_stats->tx_packets +
7530                 get_stat64(&hw_stats->tx_ucast_packets) +
7531                 get_stat64(&hw_stats->tx_mcast_packets) +
7532                 get_stat64(&hw_stats->tx_bcast_packets);
7533
7534         stats->rx_bytes = old_stats->rx_bytes +
7535                 get_stat64(&hw_stats->rx_octets);
7536         stats->tx_bytes = old_stats->tx_bytes +
7537                 get_stat64(&hw_stats->tx_octets);
7538
7539         stats->rx_errors = old_stats->rx_errors +
7540                 get_stat64(&hw_stats->rx_errors);
7541         stats->tx_errors = old_stats->tx_errors +
7542                 get_stat64(&hw_stats->tx_errors) +
7543                 get_stat64(&hw_stats->tx_mac_errors) +
7544                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7545                 get_stat64(&hw_stats->tx_discards);
7546
7547         stats->multicast = old_stats->multicast +
7548                 get_stat64(&hw_stats->rx_mcast_packets);
7549         stats->collisions = old_stats->collisions +
7550                 get_stat64(&hw_stats->tx_collisions);
7551
7552         stats->rx_length_errors = old_stats->rx_length_errors +
7553                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7554                 get_stat64(&hw_stats->rx_undersize_packets);
7555
7556         stats->rx_over_errors = old_stats->rx_over_errors +
7557                 get_stat64(&hw_stats->rxbds_empty);
7558         stats->rx_frame_errors = old_stats->rx_frame_errors +
7559                 get_stat64(&hw_stats->rx_align_errors);
7560         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7561                 get_stat64(&hw_stats->tx_discards);
7562         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7563                 get_stat64(&hw_stats->tx_carrier_sense_errors);
7564
7565         stats->rx_crc_errors = old_stats->rx_crc_errors +
7566                 calc_crc_errors(tp);
7567
7568         stats->rx_missed_errors = old_stats->rx_missed_errors +
7569                 get_stat64(&hw_stats->rx_discards);
7570
7571         return stats;
7572 }
7573
7574 static inline u32 calc_crc(unsigned char *buf, int len)
7575 {
7576         u32 reg;
7577         u32 tmp;
7578         int j, k;
7579
7580         reg = 0xffffffff;
7581
7582         for (j = 0; j < len; j++) {
7583                 reg ^= buf[j];
7584
7585                 for (k = 0; k < 8; k++) {
7586                         tmp = reg & 0x01;
7587
7588                         reg >>= 1;
7589
7590                         if (tmp) {
7591                                 reg ^= 0xedb88320;
7592                         }
7593                 }
7594         }
7595
7596         return ~reg;
7597 }
7598
7599 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7600 {
7601         /* accept or reject all multicast frames */
7602         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7603         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7604         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7605         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7606 }
7607
7608 static void __tg3_set_rx_mode(struct net_device *dev)
7609 {
7610         struct tg3 *tp = netdev_priv(dev);
7611         u32 rx_mode;
7612
7613         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7614                                   RX_MODE_KEEP_VLAN_TAG);
7615
7616         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7617          * flag clear.
7618          */
7619 #if TG3_VLAN_TAG_USED
7620         if (!tp->vlgrp &&
7621             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7622                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7623 #else
7624         /* By definition, VLAN is disabled always in this
7625          * case.
7626          */
7627         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7628                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7629 #endif
7630
7631         if (dev->flags & IFF_PROMISC) {
7632                 /* Promiscuous mode. */
7633                 rx_mode |= RX_MODE_PROMISC;
7634         } else if (dev->flags & IFF_ALLMULTI) {
7635                 /* Accept all multicast. */
7636                 tg3_set_multi (tp, 1);
7637         } else if (dev->mc_count < 1) {
7638                 /* Reject all multicast. */
7639                 tg3_set_multi (tp, 0);
7640         } else {
7641                 /* Accept one or more multicast(s). */
7642                 struct dev_mc_list *mclist;
7643                 unsigned int i;
7644                 u32 mc_filter[4] = { 0, };
7645                 u32 regidx;
7646                 u32 bit;
7647                 u32 crc;
7648
7649                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7650                      i++, mclist = mclist->next) {
7651
7652                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7653                         bit = ~crc & 0x7f;
7654                         regidx = (bit & 0x60) >> 5;
7655                         bit &= 0x1f;
7656                         mc_filter[regidx] |= (1 << bit);
7657                 }
7658
7659                 tw32(MAC_HASH_REG_0, mc_filter[0]);
7660                 tw32(MAC_HASH_REG_1, mc_filter[1]);
7661                 tw32(MAC_HASH_REG_2, mc_filter[2]);
7662                 tw32(MAC_HASH_REG_3, mc_filter[3]);
7663         }
7664
7665         if (rx_mode != tp->rx_mode) {
7666                 tp->rx_mode = rx_mode;
7667                 tw32_f(MAC_RX_MODE, rx_mode);
7668                 udelay(10);
7669         }
7670 }
7671
7672 static void tg3_set_rx_mode(struct net_device *dev)
7673 {
7674         struct tg3 *tp = netdev_priv(dev);
7675
7676         if (!netif_running(dev))
7677                 return;
7678
7679         tg3_full_lock(tp, 0);
7680         __tg3_set_rx_mode(dev);
7681         tg3_full_unlock(tp);
7682 }
7683
7684 #define TG3_REGDUMP_LEN         (32 * 1024)
7685
7686 static int tg3_get_regs_len(struct net_device *dev)
7687 {
7688         return TG3_REGDUMP_LEN;
7689 }
7690
7691 static void tg3_get_regs(struct net_device *dev,
7692                 struct ethtool_regs *regs, void *_p)
7693 {
7694         u32 *p = _p;
7695         struct tg3 *tp = netdev_priv(dev);
7696         u8 *orig_p = _p;
7697         int i;
7698
7699         regs->version = 0;
7700
7701         memset(p, 0, TG3_REGDUMP_LEN);
7702
7703         if (tp->link_config.phy_is_low_power)
7704                 return;
7705
7706         tg3_full_lock(tp, 0);
7707
7708 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
7709 #define GET_REG32_LOOP(base,len)                \
7710 do {    p = (u32 *)(orig_p + (base));           \
7711         for (i = 0; i < len; i += 4)            \
7712                 __GET_REG32((base) + i);        \
7713 } while (0)
7714 #define GET_REG32_1(reg)                        \
7715 do {    p = (u32 *)(orig_p + (reg));            \
7716         __GET_REG32((reg));                     \
7717 } while (0)
7718
7719         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7720         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7721         GET_REG32_LOOP(MAC_MODE, 0x4f0);
7722         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7723         GET_REG32_1(SNDDATAC_MODE);
7724         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7725         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7726         GET_REG32_1(SNDBDC_MODE);
7727         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7728         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7729         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7730         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7731         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7732         GET_REG32_1(RCVDCC_MODE);
7733         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7734         GET_REG32_LOOP(RCVCC_MODE, 0x14);
7735         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7736         GET_REG32_1(MBFREE_MODE);
7737         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7738         GET_REG32_LOOP(MEMARB_MODE, 0x10);
7739         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7740         GET_REG32_LOOP(RDMAC_MODE, 0x08);
7741         GET_REG32_LOOP(WDMAC_MODE, 0x08);
7742         GET_REG32_1(RX_CPU_MODE);
7743         GET_REG32_1(RX_CPU_STATE);
7744         GET_REG32_1(RX_CPU_PGMCTR);
7745         GET_REG32_1(RX_CPU_HWBKPT);
7746         GET_REG32_1(TX_CPU_MODE);
7747         GET_REG32_1(TX_CPU_STATE);
7748         GET_REG32_1(TX_CPU_PGMCTR);
7749         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7750         GET_REG32_LOOP(FTQ_RESET, 0x120);
7751         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7752         GET_REG32_1(DMAC_MODE);
7753         GET_REG32_LOOP(GRC_MODE, 0x4c);
7754         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7755                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7756
7757 #undef __GET_REG32
7758 #undef GET_REG32_LOOP
7759 #undef GET_REG32_1
7760
7761         tg3_full_unlock(tp);
7762 }
7763
7764 static int tg3_get_eeprom_len(struct net_device *dev)
7765 {
7766         struct tg3 *tp = netdev_priv(dev);
7767
7768         return tp->nvram_size;
7769 }
7770
7771 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7772 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
7773
7774 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7775 {
7776         struct tg3 *tp = netdev_priv(dev);
7777         int ret;
7778         u8  *pd;
7779         u32 i, offset, len, val, b_offset, b_count;
7780
7781         if (tp->link_config.phy_is_low_power)
7782                 return -EAGAIN;
7783
7784         offset = eeprom->offset;
7785         len = eeprom->len;
7786         eeprom->len = 0;
7787
7788         eeprom->magic = TG3_EEPROM_MAGIC;
7789
7790         if (offset & 3) {
7791                 /* adjustments to start on required 4 byte boundary */
7792                 b_offset = offset & 3;
7793                 b_count = 4 - b_offset;
7794                 if (b_count > len) {
7795                         /* i.e. offset=1 len=2 */
7796                         b_count = len;
7797                 }
7798                 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7799                 if (ret)
7800                         return ret;
7801                 val = cpu_to_le32(val);
7802                 memcpy(data, ((char*)&val) + b_offset, b_count);
7803                 len -= b_count;
7804                 offset += b_count;
7805                 eeprom->len += b_count;
7806         }
7807
7808         /* read bytes upto the last 4 byte boundary */
7809         pd = &data[eeprom->len];
7810         for (i = 0; i < (len - (len & 3)); i += 4) {
7811                 ret = tg3_nvram_read(tp, offset + i, &val);
7812                 if (ret) {
7813                         eeprom->len += i;
7814                         return ret;
7815                 }
7816                 val = cpu_to_le32(val);
7817                 memcpy(pd + i, &val, 4);
7818         }
7819         eeprom->len += i;
7820
7821         if (len & 3) {
7822                 /* read last bytes not ending on 4 byte boundary */
7823                 pd = &data[eeprom->len];
7824                 b_count = len & 3;
7825                 b_offset = offset + len - b_count;
7826                 ret = tg3_nvram_read(tp, b_offset, &val);
7827                 if (ret)
7828                         return ret;
7829                 val = cpu_to_le32(val);
7830                 memcpy(pd, ((char*)&val), b_count);
7831                 eeprom->len += b_count;
7832         }
7833         return 0;
7834 }
7835
7836 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7837
7838 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7839 {
7840         struct tg3 *tp = netdev_priv(dev);
7841         int ret;
7842         u32 offset, len, b_offset, odd_len, start, end;
7843         u8 *buf;
7844
7845         if (tp->link_config.phy_is_low_power)
7846                 return -EAGAIN;
7847
7848         if (eeprom->magic != TG3_EEPROM_MAGIC)
7849                 return -EINVAL;
7850
7851         offset = eeprom->offset;
7852         len = eeprom->len;
7853
7854         if ((b_offset = (offset & 3))) {
7855                 /* adjustments to start on required 4 byte boundary */
7856                 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7857                 if (ret)
7858                         return ret;
7859                 start = cpu_to_le32(start);
7860                 len += b_offset;
7861                 offset &= ~3;
7862                 if (len < 4)
7863                         len = 4;
7864         }
7865
7866         odd_len = 0;
7867         if (len & 3) {
7868                 /* adjustments to end on required 4 byte boundary */
7869                 odd_len = 1;
7870                 len = (len + 3) & ~3;
7871                 ret = tg3_nvram_read(tp, offset+len-4, &end);
7872                 if (ret)
7873                         return ret;
7874                 end = cpu_to_le32(end);
7875         }
7876
7877         buf = data;
7878         if (b_offset || odd_len) {
7879                 buf = kmalloc(len, GFP_KERNEL);
7880                 if (buf == 0)
7881                         return -ENOMEM;
7882                 if (b_offset)
7883                         memcpy(buf, &start, 4);
7884                 if (odd_len)
7885                         memcpy(buf+len-4, &end, 4);
7886                 memcpy(buf + b_offset, data, eeprom->len);
7887         }
7888
7889         ret = tg3_nvram_write_block(tp, offset, len, buf);
7890
7891         if (buf != data)
7892                 kfree(buf);
7893
7894         return ret;
7895 }
7896
7897 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7898 {
7899         struct tg3 *tp = netdev_priv(dev);
7900
7901         cmd->supported = (SUPPORTED_Autoneg);
7902
7903         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7904                 cmd->supported |= (SUPPORTED_1000baseT_Half |
7905                                    SUPPORTED_1000baseT_Full);
7906
7907         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
7908                 cmd->supported |= (SUPPORTED_100baseT_Half |
7909                                   SUPPORTED_100baseT_Full |
7910                                   SUPPORTED_10baseT_Half |
7911                                   SUPPORTED_10baseT_Full |
7912                                   SUPPORTED_MII);
7913                 cmd->port = PORT_TP;
7914         } else {
7915                 cmd->supported |= SUPPORTED_FIBRE;
7916                 cmd->port = PORT_FIBRE;
7917         }
7918
7919         cmd->advertising = tp->link_config.advertising;
7920         if (netif_running(dev)) {
7921                 cmd->speed = tp->link_config.active_speed;
7922                 cmd->duplex = tp->link_config.active_duplex;
7923         }
7924         cmd->phy_address = PHY_ADDR;
7925         cmd->transceiver = 0;
7926         cmd->autoneg = tp->link_config.autoneg;
7927         cmd->maxtxpkt = 0;
7928         cmd->maxrxpkt = 0;
7929         return 0;
7930 }
7931
7932 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7933 {
7934         struct tg3 *tp = netdev_priv(dev);
7935
7936         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
7937                 /* These are the only valid advertisement bits allowed.  */
7938                 if (cmd->autoneg == AUTONEG_ENABLE &&
7939                     (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7940                                           ADVERTISED_1000baseT_Full |
7941                                           ADVERTISED_Autoneg |
7942                                           ADVERTISED_FIBRE)))
7943                         return -EINVAL;
7944                 /* Fiber can only do SPEED_1000.  */
7945                 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7946                          (cmd->speed != SPEED_1000))
7947                         return -EINVAL;
7948         /* Copper cannot force SPEED_1000.  */
7949         } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7950                    (cmd->speed == SPEED_1000))
7951                 return -EINVAL;
7952         else if ((cmd->speed == SPEED_1000) &&
7953                  (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7954                 return -EINVAL;
7955
7956         tg3_full_lock(tp, 0);
7957
7958         tp->link_config.autoneg = cmd->autoneg;
7959         if (cmd->autoneg == AUTONEG_ENABLE) {
7960                 tp->link_config.advertising = cmd->advertising;
7961                 tp->link_config.speed = SPEED_INVALID;
7962                 tp->link_config.duplex = DUPLEX_INVALID;
7963         } else {
7964                 tp->link_config.advertising = 0;
7965                 tp->link_config.speed = cmd->speed;
7966                 tp->link_config.duplex = cmd->duplex;
7967         }
7968
7969         if (netif_running(dev))
7970                 tg3_setup_phy(tp, 1);
7971
7972         tg3_full_unlock(tp);
7973
7974         return 0;
7975 }
7976
7977 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7978 {
7979         struct tg3 *tp = netdev_priv(dev);
7980
7981         strcpy(info->driver, DRV_MODULE_NAME);
7982         strcpy(info->version, DRV_MODULE_VERSION);
7983         strcpy(info->fw_version, tp->fw_ver);
7984         strcpy(info->bus_info, pci_name(tp->pdev));
7985 }
7986
7987 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7988 {
7989         struct tg3 *tp = netdev_priv(dev);
7990
7991         wol->supported = WAKE_MAGIC;
7992         wol->wolopts = 0;
7993         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
7994                 wol->wolopts = WAKE_MAGIC;
7995         memset(&wol->sopass, 0, sizeof(wol->sopass));
7996 }
7997
7998 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7999 {
8000         struct tg3 *tp = netdev_priv(dev);
8001
8002         if (wol->wolopts & ~WAKE_MAGIC)
8003                 return -EINVAL;
8004         if ((wol->wolopts & WAKE_MAGIC) &&
8005             tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
8006             !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8007                 return -EINVAL;
8008
8009         spin_lock_bh(&tp->lock);
8010         if (wol->wolopts & WAKE_MAGIC)
8011                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8012         else
8013                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8014         spin_unlock_bh(&tp->lock);
8015
8016         return 0;
8017 }
8018
8019 static u32 tg3_get_msglevel(struct net_device *dev)
8020 {
8021         struct tg3 *tp = netdev_priv(dev);
8022         return tp->msg_enable;
8023 }
8024
8025 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8026 {
8027         struct tg3 *tp = netdev_priv(dev);
8028         tp->msg_enable = value;
8029 }
8030
8031 #if TG3_TSO_SUPPORT != 0
8032 static int tg3_set_tso(struct net_device *dev, u32 value)
8033 {
8034         struct tg3 *tp = netdev_priv(dev);
8035
8036         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8037                 if (value)
8038                         return -EINVAL;
8039                 return 0;
8040         }
8041         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8042             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8043                 if (value)
8044                         dev->features |= NETIF_F_TSO6;
8045                 else
8046                         dev->features &= ~NETIF_F_TSO6;
8047         }
8048         return ethtool_op_set_tso(dev, value);
8049 }
8050 #endif
8051
8052 static int tg3_nway_reset(struct net_device *dev)
8053 {
8054         struct tg3 *tp = netdev_priv(dev);
8055         u32 bmcr;
8056         int r;
8057
8058         if (!netif_running(dev))
8059                 return -EAGAIN;
8060
8061         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8062                 return -EINVAL;
8063
8064         spin_lock_bh(&tp->lock);
8065         r = -EINVAL;
8066         tg3_readphy(tp, MII_BMCR, &bmcr);
8067         if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8068             ((bmcr & BMCR_ANENABLE) ||
8069              (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8070                 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8071                                            BMCR_ANENABLE);
8072                 r = 0;
8073         }
8074         spin_unlock_bh(&tp->lock);
8075
8076         return r;
8077 }
8078
8079 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8080 {
8081         struct tg3 *tp = netdev_priv(dev);
8082
8083         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8084         ering->rx_mini_max_pending = 0;
8085         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8086                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8087         else
8088                 ering->rx_jumbo_max_pending = 0;
8089
8090         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8091
8092         ering->rx_pending = tp->rx_pending;
8093         ering->rx_mini_pending = 0;
8094         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8095                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8096         else
8097                 ering->rx_jumbo_pending = 0;
8098
8099         ering->tx_pending = tp->tx_pending;
8100 }
8101
8102 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8103 {
8104         struct tg3 *tp = netdev_priv(dev);
8105         int irq_sync = 0, err = 0;
8106
8107         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8108             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8109             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8110             (ering->tx_pending <= MAX_SKB_FRAGS) ||
8111             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG) &&
8112              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8113                 return -EINVAL;
8114
8115         if (netif_running(dev)) {
8116                 tg3_netif_stop(tp);
8117                 irq_sync = 1;
8118         }
8119
8120         tg3_full_lock(tp, irq_sync);
8121
8122         tp->rx_pending = ering->rx_pending;
8123
8124         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8125             tp->rx_pending > 63)
8126                 tp->rx_pending = 63;
8127         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8128         tp->tx_pending = ering->tx_pending;
8129
8130         if (netif_running(dev)) {
8131                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8132                 err = tg3_restart_hw(tp, 1);
8133                 if (!err)
8134                         tg3_netif_start(tp);
8135         }
8136
8137         tg3_full_unlock(tp);
8138
8139         return err;
8140 }
8141
8142 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8143 {
8144         struct tg3 *tp = netdev_priv(dev);
8145
8146         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8147         epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8148         epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8149 }
8150
8151 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8152 {
8153         struct tg3 *tp = netdev_priv(dev);
8154         int irq_sync = 0, err = 0;
8155
8156         if (netif_running(dev)) {
8157                 tg3_netif_stop(tp);
8158                 irq_sync = 1;
8159         }
8160
8161         tg3_full_lock(tp, irq_sync);
8162
8163         if (epause->autoneg)
8164                 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8165         else
8166                 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8167         if (epause->rx_pause)
8168                 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8169         else
8170                 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8171         if (epause->tx_pause)
8172                 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8173         else
8174                 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8175
8176         if (netif_running(dev)) {
8177                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8178                 err = tg3_restart_hw(tp, 1);
8179                 if (!err)
8180                         tg3_netif_start(tp);
8181         }
8182
8183         tg3_full_unlock(tp);
8184
8185         return err;
8186 }
8187
8188 static u32 tg3_get_rx_csum(struct net_device *dev)
8189 {
8190         struct tg3 *tp = netdev_priv(dev);
8191         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8192 }
8193
8194 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8195 {
8196         struct tg3 *tp = netdev_priv(dev);
8197
8198         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8199                 if (data != 0)
8200                         return -EINVAL;
8201                 return 0;
8202         }
8203
8204         spin_lock_bh(&tp->lock);
8205         if (data)
8206                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8207         else
8208                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8209         spin_unlock_bh(&tp->lock);
8210
8211         return 0;
8212 }
8213
8214 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8215 {
8216         struct tg3 *tp = netdev_priv(dev);
8217
8218         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8219                 if (data != 0)
8220                         return -EINVAL;
8221                 return 0;
8222         }
8223
8224         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8225             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8226                 ethtool_op_set_tx_hw_csum(dev, data);
8227         else
8228                 ethtool_op_set_tx_csum(dev, data);
8229
8230         return 0;
8231 }
8232
8233 static int tg3_get_stats_count (struct net_device *dev)
8234 {
8235         return TG3_NUM_STATS;
8236 }
8237
8238 static int tg3_get_test_count (struct net_device *dev)
8239 {
8240         return TG3_NUM_TEST;
8241 }
8242
8243 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8244 {
8245         switch (stringset) {
8246         case ETH_SS_STATS:
8247                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8248                 break;
8249         case ETH_SS_TEST:
8250                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8251                 break;
8252         default:
8253                 WARN_ON(1);     /* we need a WARN() */
8254                 break;
8255         }
8256 }
8257
8258 static int tg3_phys_id(struct net_device *dev, u32 data)
8259 {
8260         struct tg3 *tp = netdev_priv(dev);
8261         int i;
8262
8263         if (!netif_running(tp->dev))
8264                 return -EAGAIN;
8265
8266         if (data == 0)
8267                 data = 2;
8268
8269         for (i = 0; i < (data * 2); i++) {
8270                 if ((i % 2) == 0)
8271                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8272                                            LED_CTRL_1000MBPS_ON |
8273                                            LED_CTRL_100MBPS_ON |
8274                                            LED_CTRL_10MBPS_ON |
8275                                            LED_CTRL_TRAFFIC_OVERRIDE |
8276                                            LED_CTRL_TRAFFIC_BLINK |
8277                                            LED_CTRL_TRAFFIC_LED);
8278
8279                 else
8280                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8281                                            LED_CTRL_TRAFFIC_OVERRIDE);
8282
8283                 if (msleep_interruptible(500))
8284                         break;
8285         }
8286         tw32(MAC_LED_CTRL, tp->led_ctrl);
8287         return 0;
8288 }
8289
8290 static void tg3_get_ethtool_stats (struct net_device *dev,
8291                                    struct ethtool_stats *estats, u64 *tmp_stats)
8292 {
8293         struct tg3 *tp = netdev_priv(dev);
8294         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8295 }
8296
8297 #define NVRAM_TEST_SIZE 0x100
8298 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8299 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8300 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8301
8302 static int tg3_test_nvram(struct tg3 *tp)
8303 {
8304         u32 *buf, csum, magic;
8305         int i, j, err = 0, size;
8306
8307         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8308                 return -EIO;
8309
8310         if (magic == TG3_EEPROM_MAGIC)
8311                 size = NVRAM_TEST_SIZE;
8312         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8313                 if ((magic & 0xe00000) == 0x200000)
8314                         size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8315                 else
8316                         return 0;
8317         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8318                 size = NVRAM_SELFBOOT_HW_SIZE;
8319         else
8320                 return -EIO;
8321
8322         buf = kmalloc(size, GFP_KERNEL);
8323         if (buf == NULL)
8324                 return -ENOMEM;
8325
8326         err = -EIO;
8327         for (i = 0, j = 0; i < size; i += 4, j++) {
8328                 u32 val;
8329
8330                 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8331                         break;
8332                 buf[j] = cpu_to_le32(val);
8333         }
8334         if (i < size)
8335                 goto out;
8336
8337         /* Selfboot format */
8338         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8339             TG3_EEPROM_MAGIC_FW) {
8340                 u8 *buf8 = (u8 *) buf, csum8 = 0;
8341
8342                 for (i = 0; i < size; i++)
8343                         csum8 += buf8[i];
8344
8345                 if (csum8 == 0) {
8346                         err = 0;
8347                         goto out;
8348                 }
8349
8350                 err = -EIO;
8351                 goto out;
8352         }
8353
8354         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8355             TG3_EEPROM_MAGIC_HW) {
8356                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8357                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8358                 u8 *buf8 = (u8 *) buf;
8359                 int j, k;
8360
8361                 /* Separate the parity bits and the data bytes.  */
8362                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8363                         if ((i == 0) || (i == 8)) {
8364                                 int l;
8365                                 u8 msk;
8366
8367                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8368                                         parity[k++] = buf8[i] & msk;
8369                                 i++;
8370                         }
8371                         else if (i == 16) {
8372                                 int l;
8373                                 u8 msk;
8374
8375                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8376                                         parity[k++] = buf8[i] & msk;
8377                                 i++;
8378
8379                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8380                                         parity[k++] = buf8[i] & msk;
8381                                 i++;
8382                         }
8383                         data[j++] = buf8[i];
8384                 }
8385
8386                 err = -EIO;
8387                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8388                         u8 hw8 = hweight8(data[i]);
8389
8390                         if ((hw8 & 0x1) && parity[i])
8391                                 goto out;
8392                         else if (!(hw8 & 0x1) && !parity[i])
8393                                 goto out;
8394                 }
8395                 err = 0;
8396                 goto out;
8397         }
8398
8399         /* Bootstrap checksum at offset 0x10 */
8400         csum = calc_crc((unsigned char *) buf, 0x10);
8401         if(csum != cpu_to_le32(buf[0x10/4]))
8402                 goto out;
8403
8404         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8405         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8406         if (csum != cpu_to_le32(buf[0xfc/4]))
8407                  goto out;
8408
8409         err = 0;
8410
8411 out:
8412         kfree(buf);
8413         return err;
8414 }
8415
8416 #define TG3_SERDES_TIMEOUT_SEC  2
8417 #define TG3_COPPER_TIMEOUT_SEC  6
8418
8419 static int tg3_test_link(struct tg3 *tp)
8420 {
8421         int i, max;
8422
8423         if (!netif_running(tp->dev))
8424                 return -ENODEV;
8425
8426         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8427                 max = TG3_SERDES_TIMEOUT_SEC;
8428         else
8429                 max = TG3_COPPER_TIMEOUT_SEC;
8430
8431         for (i = 0; i < max; i++) {
8432                 if (netif_carrier_ok(tp->dev))
8433                         return 0;
8434
8435                 if (msleep_interruptible(1000))
8436                         break;
8437         }
8438
8439         return -EIO;
8440 }
8441
8442 /* Only test the commonly used registers */
8443 static int tg3_test_registers(struct tg3 *tp)
8444 {
8445         int i, is_5705, is_5750;
8446         u32 offset, read_mask, write_mask, val, save_val, read_val;
8447         static struct {
8448                 u16 offset;
8449                 u16 flags;
8450 #define TG3_FL_5705     0x1
8451 #define TG3_FL_NOT_5705 0x2
8452 #define TG3_FL_NOT_5788 0x4
8453 #define TG3_FL_NOT_5750 0x8
8454                 u32 read_mask;
8455                 u32 write_mask;
8456         } reg_tbl[] = {
8457                 /* MAC Control Registers */
8458                 { MAC_MODE, TG3_FL_NOT_5705,
8459                         0x00000000, 0x00ef6f8c },
8460                 { MAC_MODE, TG3_FL_5705,
8461                         0x00000000, 0x01ef6b8c },
8462                 { MAC_STATUS, TG3_FL_NOT_5705,
8463                         0x03800107, 0x00000000 },
8464                 { MAC_STATUS, TG3_FL_5705,
8465                         0x03800100, 0x00000000 },
8466                 { MAC_ADDR_0_HIGH, 0x0000,
8467                         0x00000000, 0x0000ffff },
8468                 { MAC_ADDR_0_LOW, 0x0000,
8469                         0x00000000, 0xffffffff },
8470                 { MAC_RX_MTU_SIZE, 0x0000,
8471                         0x00000000, 0x0000ffff },
8472                 { MAC_TX_MODE, 0x0000,
8473                         0x00000000, 0x00000070 },
8474                 { MAC_TX_LENGTHS, 0x0000,
8475                         0x00000000, 0x00003fff },
8476                 { MAC_RX_MODE, TG3_FL_NOT_5705,
8477                         0x00000000, 0x000007fc },
8478                 { MAC_RX_MODE, TG3_FL_5705,
8479                         0x00000000, 0x000007dc },
8480                 { MAC_HASH_REG_0, 0x0000,
8481                         0x00000000, 0xffffffff },
8482                 { MAC_HASH_REG_1, 0x0000,
8483                         0x00000000, 0xffffffff },
8484                 { MAC_HASH_REG_2, 0x0000,
8485                         0x00000000, 0xffffffff },
8486                 { MAC_HASH_REG_3, 0x0000,
8487                         0x00000000, 0xffffffff },
8488
8489                 /* Receive Data and Receive BD Initiator Control Registers. */
8490                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8491                         0x00000000, 0xffffffff },
8492                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8493                         0x00000000, 0xffffffff },
8494                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8495                         0x00000000, 0x00000003 },
8496                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8497                         0x00000000, 0xffffffff },
8498                 { RCVDBDI_STD_BD+0, 0x0000,
8499                         0x00000000, 0xffffffff },
8500                 { RCVDBDI_STD_BD+4, 0x0000,
8501                         0x00000000, 0xffffffff },
8502                 { RCVDBDI_STD_BD+8, 0x0000,
8503                         0x00000000, 0xffff0002 },
8504                 { RCVDBDI_STD_BD+0xc, 0x0000,
8505                         0x00000000, 0xffffffff },
8506
8507                 /* Receive BD Initiator Control Registers. */
8508                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8509                         0x00000000, 0xffffffff },
8510                 { RCVBDI_STD_THRESH, TG3_FL_5705,
8511                         0x00000000, 0x000003ff },
8512                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8513                         0x00000000, 0xffffffff },
8514
8515                 /* Host Coalescing Control Registers. */
8516                 { HOSTCC_MODE, TG3_FL_NOT_5705,
8517                         0x00000000, 0x00000004 },
8518                 { HOSTCC_MODE, TG3_FL_5705,
8519                         0x00000000, 0x000000f6 },
8520                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8521                         0x00000000, 0xffffffff },
8522                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8523                         0x00000000, 0x000003ff },
8524                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8525                         0x00000000, 0xffffffff },
8526                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8527                         0x00000000, 0x000003ff },
8528                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8529                         0x00000000, 0xffffffff },
8530                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8531                         0x00000000, 0x000000ff },
8532                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8533                         0x00000000, 0xffffffff },
8534                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8535                         0x00000000, 0x000000ff },
8536                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8537                         0x00000000, 0xffffffff },
8538                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8539                         0x00000000, 0xffffffff },
8540                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8541                         0x00000000, 0xffffffff },
8542                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8543                         0x00000000, 0x000000ff },
8544                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8545                         0x00000000, 0xffffffff },
8546                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8547                         0x00000000, 0x000000ff },
8548                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8549                         0x00000000, 0xffffffff },
8550                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8551                         0x00000000, 0xffffffff },
8552                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8553                         0x00000000, 0xffffffff },
8554                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8555                         0x00000000, 0xffffffff },
8556                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8557                         0x00000000, 0xffffffff },
8558                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8559                         0xffffffff, 0x00000000 },
8560                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8561                         0xffffffff, 0x00000000 },
8562
8563                 /* Buffer Manager Control Registers. */
8564                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8565                         0x00000000, 0x007fff80 },
8566                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8567                         0x00000000, 0x007fffff },
8568                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8569                         0x00000000, 0x0000003f },
8570                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8571                         0x00000000, 0x000001ff },
8572                 { BUFMGR_MB_HIGH_WATER, 0x0000,
8573                         0x00000000, 0x000001ff },
8574                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8575                         0xffffffff, 0x00000000 },
8576                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8577                         0xffffffff, 0x00000000 },
8578
8579                 /* Mailbox Registers */
8580                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8581                         0x00000000, 0x000001ff },
8582                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8583                         0x00000000, 0x000001ff },
8584                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8585                         0x00000000, 0x000007ff },
8586                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8587                         0x00000000, 0x000001ff },
8588
8589                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8590         };
8591
8592         is_5705 = is_5750 = 0;
8593         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8594                 is_5705 = 1;
8595                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8596                         is_5750 = 1;
8597         }
8598
8599         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8600                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8601                         continue;
8602
8603                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8604                         continue;
8605
8606                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8607                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
8608                         continue;
8609
8610                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8611                         continue;
8612
8613                 offset = (u32) reg_tbl[i].offset;
8614                 read_mask = reg_tbl[i].read_mask;
8615                 write_mask = reg_tbl[i].write_mask;
8616
8617                 /* Save the original register content */
8618                 save_val = tr32(offset);
8619
8620                 /* Determine the read-only value. */
8621                 read_val = save_val & read_mask;
8622
8623                 /* Write zero to the register, then make sure the read-only bits
8624                  * are not changed and the read/write bits are all zeros.
8625                  */
8626                 tw32(offset, 0);
8627
8628                 val = tr32(offset);
8629
8630                 /* Test the read-only and read/write bits. */
8631                 if (((val & read_mask) != read_val) || (val & write_mask))
8632                         goto out;
8633
8634                 /* Write ones to all the bits defined by RdMask and WrMask, then
8635                  * make sure the read-only bits are not changed and the
8636                  * read/write bits are all ones.
8637                  */
8638                 tw32(offset, read_mask | write_mask);
8639
8640                 val = tr32(offset);
8641
8642                 /* Test the read-only bits. */
8643                 if ((val & read_mask) != read_val)
8644                         goto out;
8645
8646                 /* Test the read/write bits. */
8647                 if ((val & write_mask) != write_mask)
8648                         goto out;
8649
8650                 tw32(offset, save_val);
8651         }
8652
8653         return 0;
8654
8655 out:
8656         printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
8657         tw32(offset, save_val);
8658         return -EIO;
8659 }
8660
8661 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8662 {
8663         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
8664         int i;
8665         u32 j;
8666
8667         for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8668                 for (j = 0; j < len; j += 4) {
8669                         u32 val;
8670
8671                         tg3_write_mem(tp, offset + j, test_pattern[i]);
8672                         tg3_read_mem(tp, offset + j, &val);
8673                         if (val != test_pattern[i])
8674                                 return -EIO;
8675                 }
8676         }
8677         return 0;
8678 }
8679
8680 static int tg3_test_memory(struct tg3 *tp)
8681 {
8682         static struct mem_entry {
8683                 u32 offset;
8684                 u32 len;
8685         } mem_tbl_570x[] = {
8686                 { 0x00000000, 0x00b50},
8687                 { 0x00002000, 0x1c000},
8688                 { 0xffffffff, 0x00000}
8689         }, mem_tbl_5705[] = {
8690                 { 0x00000100, 0x0000c},
8691                 { 0x00000200, 0x00008},
8692                 { 0x00004000, 0x00800},
8693                 { 0x00006000, 0x01000},
8694                 { 0x00008000, 0x02000},
8695                 { 0x00010000, 0x0e000},
8696                 { 0xffffffff, 0x00000}
8697         }, mem_tbl_5755[] = {
8698                 { 0x00000200, 0x00008},
8699                 { 0x00004000, 0x00800},
8700                 { 0x00006000, 0x00800},
8701                 { 0x00008000, 0x02000},
8702                 { 0x00010000, 0x0c000},
8703                 { 0xffffffff, 0x00000}
8704         }, mem_tbl_5906[] = {
8705                 { 0x00000200, 0x00008},
8706                 { 0x00004000, 0x00400},
8707                 { 0x00006000, 0x00400},
8708                 { 0x00008000, 0x01000},
8709                 { 0x00010000, 0x01000},
8710                 { 0xffffffff, 0x00000}
8711         };
8712         struct mem_entry *mem_tbl;
8713         int err = 0;
8714         int i;
8715
8716         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8717                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8718                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8719                         mem_tbl = mem_tbl_5755;
8720                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8721                         mem_tbl = mem_tbl_5906;
8722                 else
8723                         mem_tbl = mem_tbl_5705;
8724         } else
8725                 mem_tbl = mem_tbl_570x;
8726
8727         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8728                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8729                     mem_tbl[i].len)) != 0)
8730                         break;
8731         }
8732
8733         return err;
8734 }
8735
8736 #define TG3_MAC_LOOPBACK        0
8737 #define TG3_PHY_LOOPBACK        1
8738
8739 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
8740 {
8741         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
8742         u32 desc_idx;
8743         struct sk_buff *skb, *rx_skb;
8744         u8 *tx_data;
8745         dma_addr_t map;
8746         int num_pkts, tx_len, rx_len, i, err;
8747         struct tg3_rx_buffer_desc *desc;
8748
8749         if (loopback_mode == TG3_MAC_LOOPBACK) {
8750                 /* HW errata - mac loopback fails in some cases on 5780.
8751                  * Normal traffic and PHY loopback are not affected by
8752                  * errata.
8753                  */
8754                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8755                         return 0;
8756
8757                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8758                            MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8759                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8760                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8761                 else
8762                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8763                 tw32(MAC_MODE, mac_mode);
8764         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
8765                 u32 val;
8766
8767                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8768                         u32 phytest;
8769
8770                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8771                                 u32 phy;
8772
8773                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8774                                              phytest | MII_TG3_EPHY_SHADOW_EN);
8775                                 if (!tg3_readphy(tp, 0x1b, &phy))
8776                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
8777                                 if (!tg3_readphy(tp, 0x10, &phy))
8778                                         tg3_writephy(tp, 0x10, phy & ~0x4000);
8779                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8780                         }
8781                 }
8782                 val = BMCR_LOOPBACK | BMCR_FULLDPLX;
8783                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8784                         val |= BMCR_SPEED100;
8785                 else
8786                         val |= BMCR_SPEED1000;
8787
8788                 tg3_writephy(tp, MII_BMCR, val);
8789                 udelay(40);
8790                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8791                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
8792
8793                 /* reset to prevent losing 1st rx packet intermittently */
8794                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8795                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8796                         udelay(10);
8797                         tw32_f(MAC_RX_MODE, tp->rx_mode);
8798                 }
8799                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8800                            MAC_MODE_LINK_POLARITY;
8801                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8802                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8803                 else
8804                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8805                 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
8806                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
8807                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
8808                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8809                 }
8810                 tw32(MAC_MODE, mac_mode);
8811         }
8812         else
8813                 return -EINVAL;
8814
8815         err = -EIO;
8816
8817         tx_len = 1514;
8818         skb = netdev_alloc_skb(tp->dev, tx_len);
8819         if (!skb)
8820                 return -ENOMEM;
8821
8822         tx_data = skb_put(skb, tx_len);
8823         memcpy(tx_data, tp->dev->dev_addr, 6);
8824         memset(tx_data + 6, 0x0, 8);
8825
8826         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8827
8828         for (i = 14; i < tx_len; i++)
8829                 tx_data[i] = (u8) (i & 0xff);
8830
8831         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8832
8833         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8834              HOSTCC_MODE_NOW);
8835
8836         udelay(10);
8837
8838         rx_start_idx = tp->hw_status->idx[0].rx_producer;
8839
8840         num_pkts = 0;
8841
8842         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
8843
8844         tp->tx_prod++;
8845         num_pkts++;
8846
8847         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8848                      tp->tx_prod);
8849         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
8850
8851         udelay(10);
8852
8853         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
8854         for (i = 0; i < 25; i++) {
8855                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8856                        HOSTCC_MODE_NOW);
8857
8858                 udelay(10);
8859
8860                 tx_idx = tp->hw_status->idx[0].tx_consumer;
8861                 rx_idx = tp->hw_status->idx[0].rx_producer;
8862                 if ((tx_idx == tp->tx_prod) &&
8863                     (rx_idx == (rx_start_idx + num_pkts)))
8864                         break;
8865         }
8866
8867         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8868         dev_kfree_skb(skb);
8869
8870         if (tx_idx != tp->tx_prod)
8871                 goto out;
8872
8873         if (rx_idx != rx_start_idx + num_pkts)
8874                 goto out;
8875
8876         desc = &tp->rx_rcb[rx_start_idx];
8877         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8878         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8879         if (opaque_key != RXD_OPAQUE_RING_STD)
8880                 goto out;
8881
8882         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8883             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8884                 goto out;
8885
8886         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8887         if (rx_len != tx_len)
8888                 goto out;
8889
8890         rx_skb = tp->rx_std_buffers[desc_idx].skb;
8891
8892         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8893         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8894
8895         for (i = 14; i < tx_len; i++) {
8896                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8897                         goto out;
8898         }
8899         err = 0;
8900
8901         /* tg3_free_rings will unmap and free the rx_skb */
8902 out:
8903         return err;
8904 }
8905
8906 #define TG3_MAC_LOOPBACK_FAILED         1
8907 #define TG3_PHY_LOOPBACK_FAILED         2
8908 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
8909                                          TG3_PHY_LOOPBACK_FAILED)
8910
8911 static int tg3_test_loopback(struct tg3 *tp)
8912 {
8913         int err = 0;
8914
8915         if (!netif_running(tp->dev))
8916                 return TG3_LOOPBACK_FAILED;
8917
8918         err = tg3_reset_hw(tp, 1);
8919         if (err)
8920                 return TG3_LOOPBACK_FAILED;
8921
8922         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8923                 err |= TG3_MAC_LOOPBACK_FAILED;
8924         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8925                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8926                         err |= TG3_PHY_LOOPBACK_FAILED;
8927         }
8928
8929         return err;
8930 }
8931
8932 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8933                           u64 *data)
8934 {
8935         struct tg3 *tp = netdev_priv(dev);
8936
8937         if (tp->link_config.phy_is_low_power)
8938                 tg3_set_power_state(tp, PCI_D0);
8939
8940         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8941
8942         if (tg3_test_nvram(tp) != 0) {
8943                 etest->flags |= ETH_TEST_FL_FAILED;
8944                 data[0] = 1;
8945         }
8946         if (tg3_test_link(tp) != 0) {
8947                 etest->flags |= ETH_TEST_FL_FAILED;
8948                 data[1] = 1;
8949         }
8950         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8951                 int err, irq_sync = 0;
8952
8953                 if (netif_running(dev)) {
8954                         tg3_netif_stop(tp);
8955                         irq_sync = 1;
8956                 }
8957
8958                 tg3_full_lock(tp, irq_sync);
8959
8960                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
8961                 err = tg3_nvram_lock(tp);
8962                 tg3_halt_cpu(tp, RX_CPU_BASE);
8963                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8964                         tg3_halt_cpu(tp, TX_CPU_BASE);
8965                 if (!err)
8966                         tg3_nvram_unlock(tp);
8967
8968                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8969                         tg3_phy_reset(tp);
8970
8971                 if (tg3_test_registers(tp) != 0) {
8972                         etest->flags |= ETH_TEST_FL_FAILED;
8973                         data[2] = 1;
8974                 }
8975                 if (tg3_test_memory(tp) != 0) {
8976                         etest->flags |= ETH_TEST_FL_FAILED;
8977                         data[3] = 1;
8978                 }
8979                 if ((data[4] = tg3_test_loopback(tp)) != 0)
8980                         etest->flags |= ETH_TEST_FL_FAILED;
8981
8982                 tg3_full_unlock(tp);
8983
8984                 if (tg3_test_interrupt(tp) != 0) {
8985                         etest->flags |= ETH_TEST_FL_FAILED;
8986                         data[5] = 1;
8987                 }
8988
8989                 tg3_full_lock(tp, 0);
8990
8991                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8992                 if (netif_running(dev)) {
8993                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8994                         if (!tg3_restart_hw(tp, 1))
8995                                 tg3_netif_start(tp);
8996                 }
8997
8998                 tg3_full_unlock(tp);
8999         }
9000         if (tp->link_config.phy_is_low_power)
9001                 tg3_set_power_state(tp, PCI_D3hot);
9002
9003 }
9004
9005 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9006 {
9007         struct mii_ioctl_data *data = if_mii(ifr);
9008         struct tg3 *tp = netdev_priv(dev);
9009         int err;
9010
9011         switch(cmd) {
9012         case SIOCGMIIPHY:
9013                 data->phy_id = PHY_ADDR;
9014
9015                 /* fallthru */
9016         case SIOCGMIIREG: {
9017                 u32 mii_regval;
9018
9019                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9020                         break;                  /* We have no PHY */
9021
9022                 if (tp->link_config.phy_is_low_power)
9023                         return -EAGAIN;
9024
9025                 spin_lock_bh(&tp->lock);
9026                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9027                 spin_unlock_bh(&tp->lock);
9028
9029                 data->val_out = mii_regval;
9030
9031                 return err;
9032         }
9033
9034         case SIOCSMIIREG:
9035                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9036                         break;                  /* We have no PHY */
9037
9038                 if (!capable(CAP_NET_ADMIN))
9039                         return -EPERM;
9040
9041                 if (tp->link_config.phy_is_low_power)
9042                         return -EAGAIN;
9043
9044                 spin_lock_bh(&tp->lock);
9045                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9046                 spin_unlock_bh(&tp->lock);
9047
9048                 return err;
9049
9050         default:
9051                 /* do nothing */
9052                 break;
9053         }
9054         return -EOPNOTSUPP;
9055 }
9056
9057 #if TG3_VLAN_TAG_USED
9058 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9059 {
9060         struct tg3 *tp = netdev_priv(dev);
9061
9062         if (netif_running(dev))
9063                 tg3_netif_stop(tp);
9064
9065         tg3_full_lock(tp, 0);
9066
9067         tp->vlgrp = grp;
9068
9069         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9070         __tg3_set_rx_mode(dev);
9071
9072         tg3_full_unlock(tp);
9073
9074         if (netif_running(dev))
9075                 tg3_netif_start(tp);
9076 }
9077
9078 static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9079 {
9080         struct tg3 *tp = netdev_priv(dev);
9081
9082         if (netif_running(dev))
9083                 tg3_netif_stop(tp);
9084
9085         tg3_full_lock(tp, 0);
9086         if (tp->vlgrp)
9087                 tp->vlgrp->vlan_devices[vid] = NULL;
9088         tg3_full_unlock(tp);
9089
9090         if (netif_running(dev))
9091                 tg3_netif_start(tp);
9092 }
9093 #endif
9094
9095 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9096 {
9097         struct tg3 *tp = netdev_priv(dev);
9098
9099         memcpy(ec, &tp->coal, sizeof(*ec));
9100         return 0;
9101 }
9102
9103 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9104 {
9105         struct tg3 *tp = netdev_priv(dev);
9106         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9107         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9108
9109         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9110                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9111                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9112                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9113                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9114         }
9115
9116         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9117             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9118             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9119             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9120             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9121             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9122             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9123             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9124             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9125             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9126                 return -EINVAL;
9127
9128         /* No rx interrupts will be generated if both are zero */
9129         if ((ec->rx_coalesce_usecs == 0) &&
9130             (ec->rx_max_coalesced_frames == 0))
9131                 return -EINVAL;
9132
9133         /* No tx interrupts will be generated if both are zero */
9134         if ((ec->tx_coalesce_usecs == 0) &&
9135             (ec->tx_max_coalesced_frames == 0))
9136                 return -EINVAL;
9137
9138         /* Only copy relevant parameters, ignore all others. */
9139         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9140         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9141         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9142         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9143         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9144         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9145         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9146         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9147         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9148
9149         if (netif_running(dev)) {
9150                 tg3_full_lock(tp, 0);
9151                 __tg3_set_coalesce(tp, &tp->coal);
9152                 tg3_full_unlock(tp);
9153         }
9154         return 0;
9155 }
9156
9157 static const struct ethtool_ops tg3_ethtool_ops = {
9158         .get_settings           = tg3_get_settings,
9159         .set_settings           = tg3_set_settings,
9160         .get_drvinfo            = tg3_get_drvinfo,
9161         .get_regs_len           = tg3_get_regs_len,
9162         .get_regs               = tg3_get_regs,
9163         .get_wol                = tg3_get_wol,
9164         .set_wol                = tg3_set_wol,
9165         .get_msglevel           = tg3_get_msglevel,
9166         .set_msglevel           = tg3_set_msglevel,
9167         .nway_reset             = tg3_nway_reset,
9168         .get_link               = ethtool_op_get_link,
9169         .get_eeprom_len         = tg3_get_eeprom_len,
9170         .get_eeprom             = tg3_get_eeprom,
9171         .set_eeprom             = tg3_set_eeprom,
9172         .get_ringparam          = tg3_get_ringparam,
9173         .set_ringparam          = tg3_set_ringparam,
9174         .get_pauseparam         = tg3_get_pauseparam,
9175         .set_pauseparam         = tg3_set_pauseparam,
9176         .get_rx_csum            = tg3_get_rx_csum,
9177         .set_rx_csum            = tg3_set_rx_csum,
9178         .get_tx_csum            = ethtool_op_get_tx_csum,
9179         .set_tx_csum            = tg3_set_tx_csum,
9180         .get_sg                 = ethtool_op_get_sg,
9181         .set_sg                 = ethtool_op_set_sg,
9182 #if TG3_TSO_SUPPORT != 0
9183         .get_tso                = ethtool_op_get_tso,
9184         .set_tso                = tg3_set_tso,
9185 #endif
9186         .self_test_count        = tg3_get_test_count,
9187         .self_test              = tg3_self_test,
9188         .get_strings            = tg3_get_strings,
9189         .phys_id                = tg3_phys_id,
9190         .get_stats_count        = tg3_get_stats_count,
9191         .get_ethtool_stats      = tg3_get_ethtool_stats,
9192         .get_coalesce           = tg3_get_coalesce,
9193         .set_coalesce           = tg3_set_coalesce,
9194         .get_perm_addr          = ethtool_op_get_perm_addr,
9195 };
9196
9197 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9198 {
9199         u32 cursize, val, magic;
9200
9201         tp->nvram_size = EEPROM_CHIP_SIZE;
9202
9203         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9204                 return;
9205
9206         if ((magic != TG3_EEPROM_MAGIC) &&
9207             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9208             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9209                 return;
9210
9211         /*
9212          * Size the chip by reading offsets at increasing powers of two.
9213          * When we encounter our validation signature, we know the addressing
9214          * has wrapped around, and thus have our chip size.
9215          */
9216         cursize = 0x10;
9217
9218         while (cursize < tp->nvram_size) {
9219                 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9220                         return;
9221
9222                 if (val == magic)
9223                         break;
9224
9225                 cursize <<= 1;
9226         }
9227
9228         tp->nvram_size = cursize;
9229 }
9230
9231 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9232 {
9233         u32 val;
9234
9235         if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9236                 return;
9237
9238         /* Selfboot format */
9239         if (val != TG3_EEPROM_MAGIC) {
9240                 tg3_get_eeprom_size(tp);
9241                 return;
9242         }
9243
9244         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9245                 if (val != 0) {
9246                         tp->nvram_size = (val >> 16) * 1024;
9247                         return;
9248                 }
9249         }
9250         tp->nvram_size = 0x20000;
9251 }
9252
9253 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9254 {
9255         u32 nvcfg1;
9256
9257         nvcfg1 = tr32(NVRAM_CFG1);
9258         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9259                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9260         }
9261         else {
9262                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9263                 tw32(NVRAM_CFG1, nvcfg1);
9264         }
9265
9266         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9267             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9268                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9269                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9270                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9271                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9272                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9273                                 break;
9274                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9275                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9276                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9277                                 break;
9278                         case FLASH_VENDOR_ATMEL_EEPROM:
9279                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9280                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9281                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9282                                 break;
9283                         case FLASH_VENDOR_ST:
9284                                 tp->nvram_jedecnum = JEDEC_ST;
9285                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9286                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9287                                 break;
9288                         case FLASH_VENDOR_SAIFUN:
9289                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
9290                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9291                                 break;
9292                         case FLASH_VENDOR_SST_SMALL:
9293                         case FLASH_VENDOR_SST_LARGE:
9294                                 tp->nvram_jedecnum = JEDEC_SST;
9295                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9296                                 break;
9297                 }
9298         }
9299         else {
9300                 tp->nvram_jedecnum = JEDEC_ATMEL;
9301                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9302                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9303         }
9304 }
9305
9306 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9307 {
9308         u32 nvcfg1;
9309
9310         nvcfg1 = tr32(NVRAM_CFG1);
9311
9312         /* NVRAM protection for TPM */
9313         if (nvcfg1 & (1 << 27))
9314                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9315
9316         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9317                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9318                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9319                         tp->nvram_jedecnum = JEDEC_ATMEL;
9320                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9321                         break;
9322                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9323                         tp->nvram_jedecnum = JEDEC_ATMEL;
9324                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9325                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9326                         break;
9327                 case FLASH_5752VENDOR_ST_M45PE10:
9328                 case FLASH_5752VENDOR_ST_M45PE20:
9329                 case FLASH_5752VENDOR_ST_M45PE40:
9330                         tp->nvram_jedecnum = JEDEC_ST;
9331                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9332                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9333                         break;
9334         }
9335
9336         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9337                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9338                         case FLASH_5752PAGE_SIZE_256:
9339                                 tp->nvram_pagesize = 256;
9340                                 break;
9341                         case FLASH_5752PAGE_SIZE_512:
9342                                 tp->nvram_pagesize = 512;
9343                                 break;
9344                         case FLASH_5752PAGE_SIZE_1K:
9345                                 tp->nvram_pagesize = 1024;
9346                                 break;
9347                         case FLASH_5752PAGE_SIZE_2K:
9348                                 tp->nvram_pagesize = 2048;
9349                                 break;
9350                         case FLASH_5752PAGE_SIZE_4K:
9351                                 tp->nvram_pagesize = 4096;
9352                                 break;
9353                         case FLASH_5752PAGE_SIZE_264:
9354                                 tp->nvram_pagesize = 264;
9355                                 break;
9356                 }
9357         }
9358         else {
9359                 /* For eeprom, set pagesize to maximum eeprom size */
9360                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9361
9362                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9363                 tw32(NVRAM_CFG1, nvcfg1);
9364         }
9365 }
9366
9367 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9368 {
9369         u32 nvcfg1;
9370
9371         nvcfg1 = tr32(NVRAM_CFG1);
9372
9373         /* NVRAM protection for TPM */
9374         if (nvcfg1 & (1 << 27))
9375                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9376
9377         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9378                 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9379                 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9380                         tp->nvram_jedecnum = JEDEC_ATMEL;
9381                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9382                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9383
9384                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9385                         tw32(NVRAM_CFG1, nvcfg1);
9386                         break;
9387                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9388                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9389                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9390                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9391                 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9392                         tp->nvram_jedecnum = JEDEC_ATMEL;
9393                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9394                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9395                         tp->nvram_pagesize = 264;
9396                         break;
9397                 case FLASH_5752VENDOR_ST_M45PE10:
9398                 case FLASH_5752VENDOR_ST_M45PE20:
9399                 case FLASH_5752VENDOR_ST_M45PE40:
9400                         tp->nvram_jedecnum = JEDEC_ST;
9401                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9402                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9403                         tp->nvram_pagesize = 256;
9404                         break;
9405         }
9406 }
9407
9408 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9409 {
9410         u32 nvcfg1;
9411
9412         nvcfg1 = tr32(NVRAM_CFG1);
9413
9414         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9415                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9416                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9417                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9418                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9419                         tp->nvram_jedecnum = JEDEC_ATMEL;
9420                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9421                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9422
9423                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9424                         tw32(NVRAM_CFG1, nvcfg1);
9425                         break;
9426                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9427                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9428                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9429                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9430                         tp->nvram_jedecnum = JEDEC_ATMEL;
9431                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9432                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9433                         tp->nvram_pagesize = 264;
9434                         break;
9435                 case FLASH_5752VENDOR_ST_M45PE10:
9436                 case FLASH_5752VENDOR_ST_M45PE20:
9437                 case FLASH_5752VENDOR_ST_M45PE40:
9438                         tp->nvram_jedecnum = JEDEC_ST;
9439                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9440                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9441                         tp->nvram_pagesize = 256;
9442                         break;
9443         }
9444 }
9445
9446 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9447 {
9448         tp->nvram_jedecnum = JEDEC_ATMEL;
9449         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9450         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9451 }
9452
9453 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9454 static void __devinit tg3_nvram_init(struct tg3 *tp)
9455 {
9456         int j;
9457
9458         tw32_f(GRC_EEPROM_ADDR,
9459              (EEPROM_ADDR_FSM_RESET |
9460               (EEPROM_DEFAULT_CLOCK_PERIOD <<
9461                EEPROM_ADDR_CLKPERD_SHIFT)));
9462
9463         /* XXX schedule_timeout() ... */
9464         for (j = 0; j < 100; j++)
9465                 udelay(10);
9466
9467         /* Enable seeprom accesses. */
9468         tw32_f(GRC_LOCAL_CTRL,
9469              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9470         udelay(100);
9471
9472         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9473             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9474                 tp->tg3_flags |= TG3_FLAG_NVRAM;
9475
9476                 if (tg3_nvram_lock(tp)) {
9477                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9478                                "tg3_nvram_init failed.\n", tp->dev->name);
9479                         return;
9480                 }
9481                 tg3_enable_nvram_access(tp);
9482
9483                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9484                         tg3_get_5752_nvram_info(tp);
9485                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9486                         tg3_get_5755_nvram_info(tp);
9487                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9488                         tg3_get_5787_nvram_info(tp);
9489                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9490                         tg3_get_5906_nvram_info(tp);
9491                 else
9492                         tg3_get_nvram_info(tp);
9493
9494                 tg3_get_nvram_size(tp);
9495
9496                 tg3_disable_nvram_access(tp);
9497                 tg3_nvram_unlock(tp);
9498
9499         } else {
9500                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9501
9502                 tg3_get_eeprom_size(tp);
9503         }
9504 }
9505
9506 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9507                                         u32 offset, u32 *val)
9508 {
9509         u32 tmp;
9510         int i;
9511
9512         if (offset > EEPROM_ADDR_ADDR_MASK ||
9513             (offset % 4) != 0)
9514                 return -EINVAL;
9515
9516         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9517                                         EEPROM_ADDR_DEVID_MASK |
9518                                         EEPROM_ADDR_READ);
9519         tw32(GRC_EEPROM_ADDR,
9520              tmp |
9521              (0 << EEPROM_ADDR_DEVID_SHIFT) |
9522              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9523               EEPROM_ADDR_ADDR_MASK) |
9524              EEPROM_ADDR_READ | EEPROM_ADDR_START);
9525
9526         for (i = 0; i < 10000; i++) {
9527                 tmp = tr32(GRC_EEPROM_ADDR);
9528
9529                 if (tmp & EEPROM_ADDR_COMPLETE)
9530                         break;
9531                 udelay(100);
9532         }
9533         if (!(tmp & EEPROM_ADDR_COMPLETE))
9534                 return -EBUSY;
9535
9536         *val = tr32(GRC_EEPROM_DATA);
9537         return 0;
9538 }
9539
9540 #define NVRAM_CMD_TIMEOUT 10000
9541
9542 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9543 {
9544         int i;
9545
9546         tw32(NVRAM_CMD, nvram_cmd);
9547         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9548                 udelay(10);
9549                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9550                         udelay(10);
9551                         break;
9552                 }
9553         }
9554         if (i == NVRAM_CMD_TIMEOUT) {
9555                 return -EBUSY;
9556         }
9557         return 0;
9558 }
9559
9560 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9561 {
9562         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9563             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9564             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9565             (tp->nvram_jedecnum == JEDEC_ATMEL))
9566
9567                 addr = ((addr / tp->nvram_pagesize) <<
9568                         ATMEL_AT45DB0X1B_PAGE_POS) +
9569                        (addr % tp->nvram_pagesize);
9570
9571         return addr;
9572 }
9573
9574 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9575 {
9576         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9577             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9578             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9579             (tp->nvram_jedecnum == JEDEC_ATMEL))
9580
9581                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9582                         tp->nvram_pagesize) +
9583                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9584
9585         return addr;
9586 }
9587
9588 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9589 {
9590         int ret;
9591
9592         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9593                 return tg3_nvram_read_using_eeprom(tp, offset, val);
9594
9595         offset = tg3_nvram_phys_addr(tp, offset);
9596
9597         if (offset > NVRAM_ADDR_MSK)
9598                 return -EINVAL;
9599
9600         ret = tg3_nvram_lock(tp);
9601         if (ret)
9602                 return ret;
9603
9604         tg3_enable_nvram_access(tp);
9605
9606         tw32(NVRAM_ADDR, offset);
9607         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9608                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9609
9610         if (ret == 0)
9611                 *val = swab32(tr32(NVRAM_RDDATA));
9612
9613         tg3_disable_nvram_access(tp);
9614
9615         tg3_nvram_unlock(tp);
9616
9617         return ret;
9618 }
9619
9620 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9621 {
9622         int err;
9623         u32 tmp;
9624
9625         err = tg3_nvram_read(tp, offset, &tmp);
9626         *val = swab32(tmp);
9627         return err;
9628 }
9629
9630 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9631                                     u32 offset, u32 len, u8 *buf)
9632 {
9633         int i, j, rc = 0;
9634         u32 val;
9635
9636         for (i = 0; i < len; i += 4) {
9637                 u32 addr, data;
9638
9639                 addr = offset + i;
9640
9641                 memcpy(&data, buf + i, 4);
9642
9643                 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9644
9645                 val = tr32(GRC_EEPROM_ADDR);
9646                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9647
9648                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9649                         EEPROM_ADDR_READ);
9650                 tw32(GRC_EEPROM_ADDR, val |
9651                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
9652                         (addr & EEPROM_ADDR_ADDR_MASK) |
9653                         EEPROM_ADDR_START |
9654                         EEPROM_ADDR_WRITE);
9655
9656                 for (j = 0; j < 10000; j++) {
9657                         val = tr32(GRC_EEPROM_ADDR);
9658
9659                         if (val & EEPROM_ADDR_COMPLETE)
9660                                 break;
9661                         udelay(100);
9662                 }
9663                 if (!(val & EEPROM_ADDR_COMPLETE)) {
9664                         rc = -EBUSY;
9665                         break;
9666                 }
9667         }
9668
9669         return rc;
9670 }
9671
9672 /* offset and length are dword aligned */
9673 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9674                 u8 *buf)
9675 {
9676         int ret = 0;
9677         u32 pagesize = tp->nvram_pagesize;
9678         u32 pagemask = pagesize - 1;
9679         u32 nvram_cmd;
9680         u8 *tmp;
9681
9682         tmp = kmalloc(pagesize, GFP_KERNEL);
9683         if (tmp == NULL)
9684                 return -ENOMEM;
9685
9686         while (len) {
9687                 int j;
9688                 u32 phy_addr, page_off, size;
9689
9690                 phy_addr = offset & ~pagemask;
9691
9692                 for (j = 0; j < pagesize; j += 4) {
9693                         if ((ret = tg3_nvram_read(tp, phy_addr + j,
9694                                                 (u32 *) (tmp + j))))
9695                                 break;
9696                 }
9697                 if (ret)
9698                         break;
9699
9700                 page_off = offset & pagemask;
9701                 size = pagesize;
9702                 if (len < size)
9703                         size = len;
9704
9705                 len -= size;
9706
9707                 memcpy(tmp + page_off, buf, size);
9708
9709                 offset = offset + (pagesize - page_off);
9710
9711                 tg3_enable_nvram_access(tp);
9712
9713                 /*
9714                  * Before we can erase the flash page, we need
9715                  * to issue a special "write enable" command.
9716                  */
9717                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9718
9719                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9720                         break;
9721
9722                 /* Erase the target page */
9723                 tw32(NVRAM_ADDR, phy_addr);
9724
9725                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9726                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9727
9728                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9729                         break;
9730
9731                 /* Issue another write enable to start the write. */
9732                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9733
9734                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9735                         break;
9736
9737                 for (j = 0; j < pagesize; j += 4) {
9738                         u32 data;
9739
9740                         data = *((u32 *) (tmp + j));
9741                         tw32(NVRAM_WRDATA, cpu_to_be32(data));
9742
9743                         tw32(NVRAM_ADDR, phy_addr + j);
9744
9745                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9746                                 NVRAM_CMD_WR;
9747
9748                         if (j == 0)
9749                                 nvram_cmd |= NVRAM_CMD_FIRST;
9750                         else if (j == (pagesize - 4))
9751                                 nvram_cmd |= NVRAM_CMD_LAST;
9752
9753                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9754                                 break;
9755                 }
9756                 if (ret)
9757                         break;
9758         }
9759
9760         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9761         tg3_nvram_exec_cmd(tp, nvram_cmd);
9762
9763         kfree(tmp);
9764
9765         return ret;
9766 }
9767
9768 /* offset and length are dword aligned */
9769 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9770                 u8 *buf)
9771 {
9772         int i, ret = 0;
9773
9774         for (i = 0; i < len; i += 4, offset += 4) {
9775                 u32 data, page_off, phy_addr, nvram_cmd;
9776
9777                 memcpy(&data, buf + i, 4);
9778                 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9779
9780                 page_off = offset % tp->nvram_pagesize;
9781
9782                 phy_addr = tg3_nvram_phys_addr(tp, offset);
9783
9784                 tw32(NVRAM_ADDR, phy_addr);
9785
9786                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9787
9788                 if ((page_off == 0) || (i == 0))
9789                         nvram_cmd |= NVRAM_CMD_FIRST;
9790                 if (page_off == (tp->nvram_pagesize - 4))
9791                         nvram_cmd |= NVRAM_CMD_LAST;
9792
9793                 if (i == (len - 4))
9794                         nvram_cmd |= NVRAM_CMD_LAST;
9795
9796                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
9797                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
9798                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
9799                     (tp->nvram_jedecnum == JEDEC_ST) &&
9800                     (nvram_cmd & NVRAM_CMD_FIRST)) {
9801
9802                         if ((ret = tg3_nvram_exec_cmd(tp,
9803                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9804                                 NVRAM_CMD_DONE)))
9805
9806                                 break;
9807                 }
9808                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9809                         /* We always do complete word writes to eeprom. */
9810                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9811                 }
9812
9813                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9814                         break;
9815         }
9816         return ret;
9817 }
9818
9819 /* offset and length are dword aligned */
9820 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9821 {
9822         int ret;
9823
9824         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9825                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9826                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
9827                 udelay(40);
9828         }
9829
9830         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9831                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9832         }
9833         else {
9834                 u32 grc_mode;
9835
9836                 ret = tg3_nvram_lock(tp);
9837                 if (ret)
9838                         return ret;
9839
9840                 tg3_enable_nvram_access(tp);
9841                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9842                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
9843                         tw32(NVRAM_WRITE1, 0x406);
9844
9845                 grc_mode = tr32(GRC_MODE);
9846                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9847
9848                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9849                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9850
9851                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
9852                                 buf);
9853                 }
9854                 else {
9855                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9856                                 buf);
9857                 }
9858
9859                 grc_mode = tr32(GRC_MODE);
9860                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9861
9862                 tg3_disable_nvram_access(tp);
9863                 tg3_nvram_unlock(tp);
9864         }
9865
9866         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9867                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
9868                 udelay(40);
9869         }
9870
9871         return ret;
9872 }
9873
9874 struct subsys_tbl_ent {
9875         u16 subsys_vendor, subsys_devid;
9876         u32 phy_id;
9877 };
9878
9879 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9880         /* Broadcom boards. */
9881         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9882         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9883         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9884         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
9885         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9886         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9887         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
9888         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9889         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9890         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9891         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9892
9893         /* 3com boards. */
9894         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9895         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9896         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
9897         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9898         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9899
9900         /* DELL boards. */
9901         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9902         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9903         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9904         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9905
9906         /* Compaq boards. */
9907         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9908         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9909         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
9910         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9911         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9912
9913         /* IBM boards. */
9914         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9915 };
9916
9917 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9918 {
9919         int i;
9920
9921         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9922                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9923                      tp->pdev->subsystem_vendor) &&
9924                     (subsys_id_to_phy_id[i].subsys_devid ==
9925                      tp->pdev->subsystem_device))
9926                         return &subsys_id_to_phy_id[i];
9927         }
9928         return NULL;
9929 }
9930
9931 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
9932 {
9933         u32 val;
9934         u16 pmcsr;
9935
9936         /* On some early chips the SRAM cannot be accessed in D3hot state,
9937          * so need make sure we're in D0.
9938          */
9939         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9940         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9941         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9942         msleep(1);
9943
9944         /* Make sure register accesses (indirect or otherwise)
9945          * will function correctly.
9946          */
9947         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9948                                tp->misc_host_ctrl);
9949
9950         /* The memory arbiter has to be enabled in order for SRAM accesses
9951          * to succeed.  Normally on powerup the tg3 chip firmware will make
9952          * sure it is enabled, but other entities such as system netboot
9953          * code might disable it.
9954          */
9955         val = tr32(MEMARB_MODE);
9956         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9957
9958         tp->phy_id = PHY_ID_INVALID;
9959         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9960
9961         /* Assume an onboard device by default.  */
9962         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9963
9964         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9965                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM))
9966                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9967                 return;
9968         }
9969
9970         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9971         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9972                 u32 nic_cfg, led_cfg;
9973                 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9974                 int eeprom_phy_serdes = 0;
9975
9976                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9977                 tp->nic_sram_data_cfg = nic_cfg;
9978
9979                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9980                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9981                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9982                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9983                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9984                     (ver > 0) && (ver < 0x100))
9985                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
9986
9987                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
9988                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
9989                         eeprom_phy_serdes = 1;
9990
9991                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
9992                 if (nic_phy_id != 0) {
9993                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
9994                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
9995
9996                         eeprom_phy_id  = (id1 >> 16) << 10;
9997                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
9998                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
9999                 } else
10000                         eeprom_phy_id = 0;
10001
10002                 tp->phy_id = eeprom_phy_id;
10003                 if (eeprom_phy_serdes) {
10004                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10005                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10006                         else
10007                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10008                 }
10009
10010                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10011                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10012                                     SHASTA_EXT_LED_MODE_MASK);
10013                 else
10014                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10015
10016                 switch (led_cfg) {
10017                 default:
10018                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10019                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10020                         break;
10021
10022                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10023                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10024                         break;
10025
10026                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10027                         tp->led_ctrl = LED_CTRL_MODE_MAC;
10028
10029                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10030                          * read on some older 5700/5701 bootcode.
10031                          */
10032                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10033                             ASIC_REV_5700 ||
10034                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
10035                             ASIC_REV_5701)
10036                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10037
10038                         break;
10039
10040                 case SHASTA_EXT_LED_SHARED:
10041                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
10042                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10043                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10044                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10045                                                  LED_CTRL_MODE_PHY_2);
10046                         break;
10047
10048                 case SHASTA_EXT_LED_MAC:
10049                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10050                         break;
10051
10052                 case SHASTA_EXT_LED_COMBO:
10053                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
10054                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10055                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10056                                                  LED_CTRL_MODE_PHY_2);
10057                         break;
10058
10059                 };
10060
10061                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10062                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10063                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10064                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10065
10066                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)
10067                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10068                 else
10069                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10070
10071                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10072                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10073                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10074                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10075                 }
10076                 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10077                         tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10078
10079                 if (cfg2 & (1 << 17))
10080                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10081
10082                 /* serdes signal pre-emphasis in register 0x590 set by */
10083                 /* bootcode if bit 18 is set */
10084                 if (cfg2 & (1 << 18))
10085                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10086         }
10087 }
10088
10089 static int __devinit tg3_phy_probe(struct tg3 *tp)
10090 {
10091         u32 hw_phy_id_1, hw_phy_id_2;
10092         u32 hw_phy_id, hw_phy_id_masked;
10093         int err;
10094
10095         /* Reading the PHY ID register can conflict with ASF
10096          * firwmare access to the PHY hardware.
10097          */
10098         err = 0;
10099         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10100                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10101         } else {
10102                 /* Now read the physical PHY_ID from the chip and verify
10103                  * that it is sane.  If it doesn't look good, we fall back
10104                  * to either the hard-coded table based PHY_ID and failing
10105                  * that the value found in the eeprom area.
10106                  */
10107                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10108                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10109
10110                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
10111                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10112                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
10113
10114                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10115         }
10116
10117         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10118                 tp->phy_id = hw_phy_id;
10119                 if (hw_phy_id_masked == PHY_ID_BCM8002)
10120                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10121                 else
10122                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10123         } else {
10124                 if (tp->phy_id != PHY_ID_INVALID) {
10125                         /* Do nothing, phy ID already set up in
10126                          * tg3_get_eeprom_hw_cfg().
10127                          */
10128                 } else {
10129                         struct subsys_tbl_ent *p;
10130
10131                         /* No eeprom signature?  Try the hardcoded
10132                          * subsys device table.
10133                          */
10134                         p = lookup_by_subsys(tp);
10135                         if (!p)
10136                                 return -ENODEV;
10137
10138                         tp->phy_id = p->phy_id;
10139                         if (!tp->phy_id ||
10140                             tp->phy_id == PHY_ID_BCM8002)
10141                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10142                 }
10143         }
10144
10145         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10146             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10147                 u32 bmsr, adv_reg, tg3_ctrl;
10148
10149                 tg3_readphy(tp, MII_BMSR, &bmsr);
10150                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10151                     (bmsr & BMSR_LSTATUS))
10152                         goto skip_phy_reset;
10153
10154                 err = tg3_phy_reset(tp);
10155                 if (err)
10156                         return err;
10157
10158                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10159                            ADVERTISE_100HALF | ADVERTISE_100FULL |
10160                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10161                 tg3_ctrl = 0;
10162                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10163                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10164                                     MII_TG3_CTRL_ADV_1000_FULL);
10165                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10166                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10167                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10168                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
10169                 }
10170
10171                 if (!tg3_copper_is_advertising_all(tp)) {
10172                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10173
10174                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10175                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10176
10177                         tg3_writephy(tp, MII_BMCR,
10178                                      BMCR_ANENABLE | BMCR_ANRESTART);
10179                 }
10180                 tg3_phy_set_wirespeed(tp);
10181
10182                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10183                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10184                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10185         }
10186
10187 skip_phy_reset:
10188         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10189                 err = tg3_init_5401phy_dsp(tp);
10190                 if (err)
10191                         return err;
10192         }
10193
10194         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10195                 err = tg3_init_5401phy_dsp(tp);
10196         }
10197
10198         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10199                 tp->link_config.advertising =
10200                         (ADVERTISED_1000baseT_Half |
10201                          ADVERTISED_1000baseT_Full |
10202                          ADVERTISED_Autoneg |
10203                          ADVERTISED_FIBRE);
10204         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10205                 tp->link_config.advertising &=
10206                         ~(ADVERTISED_1000baseT_Half |
10207                           ADVERTISED_1000baseT_Full);
10208
10209         return err;
10210 }
10211
10212 static void __devinit tg3_read_partno(struct tg3 *tp)
10213 {
10214         unsigned char vpd_data[256];
10215         int i;
10216         u32 magic;
10217
10218         if (tg3_nvram_read_swab(tp, 0x0, &magic))
10219                 goto out_not_found;
10220
10221         if (magic == TG3_EEPROM_MAGIC) {
10222                 for (i = 0; i < 256; i += 4) {
10223                         u32 tmp;
10224
10225                         if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10226                                 goto out_not_found;
10227
10228                         vpd_data[i + 0] = ((tmp >>  0) & 0xff);
10229                         vpd_data[i + 1] = ((tmp >>  8) & 0xff);
10230                         vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10231                         vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10232                 }
10233         } else {
10234                 int vpd_cap;
10235
10236                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10237                 for (i = 0; i < 256; i += 4) {
10238                         u32 tmp, j = 0;
10239                         u16 tmp16;
10240
10241                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10242                                               i);
10243                         while (j++ < 100) {
10244                                 pci_read_config_word(tp->pdev, vpd_cap +
10245                                                      PCI_VPD_ADDR, &tmp16);
10246                                 if (tmp16 & 0x8000)
10247                                         break;
10248                                 msleep(1);
10249                         }
10250                         if (!(tmp16 & 0x8000))
10251                                 goto out_not_found;
10252
10253                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10254                                               &tmp);
10255                         tmp = cpu_to_le32(tmp);
10256                         memcpy(&vpd_data[i], &tmp, 4);
10257                 }
10258         }
10259
10260         /* Now parse and find the part number. */
10261         for (i = 0; i < 256; ) {
10262                 unsigned char val = vpd_data[i];
10263                 int block_end;
10264
10265                 if (val == 0x82 || val == 0x91) {
10266                         i = (i + 3 +
10267                              (vpd_data[i + 1] +
10268                               (vpd_data[i + 2] << 8)));
10269                         continue;
10270                 }
10271
10272                 if (val != 0x90)
10273                         goto out_not_found;
10274
10275                 block_end = (i + 3 +
10276                              (vpd_data[i + 1] +
10277                               (vpd_data[i + 2] << 8)));
10278                 i += 3;
10279                 while (i < block_end) {
10280                         if (vpd_data[i + 0] == 'P' &&
10281                             vpd_data[i + 1] == 'N') {
10282                                 int partno_len = vpd_data[i + 2];
10283
10284                                 if (partno_len > 24)
10285                                         goto out_not_found;
10286
10287                                 memcpy(tp->board_part_number,
10288                                        &vpd_data[i + 3],
10289                                        partno_len);
10290
10291                                 /* Success. */
10292                                 return;
10293                         }
10294                 }
10295
10296                 /* Part number not found. */
10297                 goto out_not_found;
10298         }
10299
10300 out_not_found:
10301         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10302                 strcpy(tp->board_part_number, "BCM95906");
10303         else
10304                 strcpy(tp->board_part_number, "none");
10305 }
10306
10307 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10308 {
10309         u32 val, offset, start;
10310
10311         if (tg3_nvram_read_swab(tp, 0, &val))
10312                 return;
10313
10314         if (val != TG3_EEPROM_MAGIC)
10315                 return;
10316
10317         if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10318             tg3_nvram_read_swab(tp, 0x4, &start))
10319                 return;
10320
10321         offset = tg3_nvram_logical_addr(tp, offset);
10322         if (tg3_nvram_read_swab(tp, offset, &val))
10323                 return;
10324
10325         if ((val & 0xfc000000) == 0x0c000000) {
10326                 u32 ver_offset, addr;
10327                 int i;
10328
10329                 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10330                     tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10331                         return;
10332
10333                 if (val != 0)
10334                         return;
10335
10336                 addr = offset + ver_offset - start;
10337                 for (i = 0; i < 16; i += 4) {
10338                         if (tg3_nvram_read(tp, addr + i, &val))
10339                                 return;
10340
10341                         val = cpu_to_le32(val);
10342                         memcpy(tp->fw_ver + i, &val, 4);
10343                 }
10344         }
10345 }
10346
10347 static int __devinit tg3_get_invariants(struct tg3 *tp)
10348 {
10349         static struct pci_device_id write_reorder_chipsets[] = {
10350                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10351                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10352                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10353                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10354                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10355                              PCI_DEVICE_ID_VIA_8385_0) },
10356                 { },
10357         };
10358         u32 misc_ctrl_reg;
10359         u32 cacheline_sz_reg;
10360         u32 pci_state_reg, grc_misc_cfg;
10361         u32 val;
10362         u16 pci_cmd;
10363         int err;
10364
10365         /* Force memory write invalidate off.  If we leave it on,
10366          * then on 5700_BX chips we have to enable a workaround.
10367          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10368          * to match the cacheline size.  The Broadcom driver have this
10369          * workaround but turns MWI off all the times so never uses
10370          * it.  This seems to suggest that the workaround is insufficient.
10371          */
10372         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10373         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10374         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10375
10376         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10377          * has the register indirect write enable bit set before
10378          * we try to access any of the MMIO registers.  It is also
10379          * critical that the PCI-X hw workaround situation is decided
10380          * before that as well.
10381          */
10382         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10383                               &misc_ctrl_reg);
10384
10385         tp->pci_chip_rev_id = (misc_ctrl_reg >>
10386                                MISC_HOST_CTRL_CHIPREV_SHIFT);
10387
10388         /* Wrong chip ID in 5752 A0. This code can be removed later
10389          * as A0 is not in production.
10390          */
10391         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10392                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10393
10394         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10395          * we need to disable memory and use config. cycles
10396          * only to access all registers. The 5702/03 chips
10397          * can mistakenly decode the special cycles from the
10398          * ICH chipsets as memory write cycles, causing corruption
10399          * of register and memory space. Only certain ICH bridges
10400          * will drive special cycles with non-zero data during the
10401          * address phase which can fall within the 5703's address
10402          * range. This is not an ICH bug as the PCI spec allows
10403          * non-zero address during special cycles. However, only
10404          * these ICH bridges are known to drive non-zero addresses
10405          * during special cycles.
10406          *
10407          * Since special cycles do not cross PCI bridges, we only
10408          * enable this workaround if the 5703 is on the secondary
10409          * bus of these ICH bridges.
10410          */
10411         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10412             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10413                 static struct tg3_dev_id {
10414                         u32     vendor;
10415                         u32     device;
10416                         u32     rev;
10417                 } ich_chipsets[] = {
10418                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10419                           PCI_ANY_ID },
10420                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10421                           PCI_ANY_ID },
10422                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10423                           0xa },
10424                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10425                           PCI_ANY_ID },
10426                         { },
10427                 };
10428                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10429                 struct pci_dev *bridge = NULL;
10430
10431                 while (pci_id->vendor != 0) {
10432                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
10433                                                 bridge);
10434                         if (!bridge) {
10435                                 pci_id++;
10436                                 continue;
10437                         }
10438                         if (pci_id->rev != PCI_ANY_ID) {
10439                                 u8 rev;
10440
10441                                 pci_read_config_byte(bridge, PCI_REVISION_ID,
10442                                                      &rev);
10443                                 if (rev > pci_id->rev)
10444                                         continue;
10445                         }
10446                         if (bridge->subordinate &&
10447                             (bridge->subordinate->number ==
10448                              tp->pdev->bus->number)) {
10449
10450                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10451                                 pci_dev_put(bridge);
10452                                 break;
10453                         }
10454                 }
10455         }
10456
10457         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10458          * DMA addresses > 40-bit. This bridge may have other additional
10459          * 57xx devices behind it in some 4-port NIC designs for example.
10460          * Any tg3 device found behind the bridge will also need the 40-bit
10461          * DMA workaround.
10462          */
10463         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10464             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10465                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10466                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10467                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10468         }
10469         else {
10470                 struct pci_dev *bridge = NULL;
10471
10472                 do {
10473                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10474                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
10475                                                 bridge);
10476                         if (bridge && bridge->subordinate &&
10477                             (bridge->subordinate->number <=
10478                              tp->pdev->bus->number) &&
10479                             (bridge->subordinate->subordinate >=
10480                              tp->pdev->bus->number)) {
10481                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10482                                 pci_dev_put(bridge);
10483                                 break;
10484                         }
10485                 } while (bridge);
10486         }
10487
10488         /* Initialize misc host control in PCI block. */
10489         tp->misc_host_ctrl |= (misc_ctrl_reg &
10490                                MISC_HOST_CTRL_CHIPREV);
10491         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10492                                tp->misc_host_ctrl);
10493
10494         pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10495                               &cacheline_sz_reg);
10496
10497         tp->pci_cacheline_sz = (cacheline_sz_reg >>  0) & 0xff;
10498         tp->pci_lat_timer    = (cacheline_sz_reg >>  8) & 0xff;
10499         tp->pci_hdr_type     = (cacheline_sz_reg >> 16) & 0xff;
10500         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
10501
10502         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10503             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10504             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10505             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10506             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
10507             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10508                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10509
10510         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10511             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10512                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10513
10514         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
10515                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10516                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10517                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10518                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
10519                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
10520                 } else {
10521                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
10522                                           TG3_FLG2_HW_TSO_1_BUG;
10523                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10524                                 ASIC_REV_5750 &&
10525                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10526                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
10527                 }
10528         }
10529
10530         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10531             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
10532             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10533             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
10534             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10535             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10536                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10537
10538         if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
10539                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
10540
10541         /* If we have an AMD 762 or VIA K8T800 chipset, write
10542          * reordering to the mailbox registers done by the host
10543          * controller can cause major troubles.  We read back from
10544          * every mailbox register write to force the writes to be
10545          * posted to the chip in order.
10546          */
10547         if (pci_dev_present(write_reorder_chipsets) &&
10548             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10549                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10550
10551         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10552             tp->pci_lat_timer < 64) {
10553                 tp->pci_lat_timer = 64;
10554
10555                 cacheline_sz_reg  = ((tp->pci_cacheline_sz & 0xff) <<  0);
10556                 cacheline_sz_reg |= ((tp->pci_lat_timer    & 0xff) <<  8);
10557                 cacheline_sz_reg |= ((tp->pci_hdr_type     & 0xff) << 16);
10558                 cacheline_sz_reg |= ((tp->pci_bist         & 0xff) << 24);
10559
10560                 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10561                                        cacheline_sz_reg);
10562         }
10563
10564         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10565                               &pci_state_reg);
10566
10567         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10568                 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10569
10570                 /* If this is a 5700 BX chipset, and we are in PCI-X
10571                  * mode, enable register write workaround.
10572                  *
10573                  * The workaround is to use indirect register accesses
10574                  * for all chip writes not to mailbox registers.
10575                  */
10576                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10577                         u32 pm_reg;
10578                         u16 pci_cmd;
10579
10580                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10581
10582                         /* The chip can have it's power management PCI config
10583                          * space registers clobbered due to this bug.
10584                          * So explicitly force the chip into D0 here.
10585                          */
10586                         pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10587                                               &pm_reg);
10588                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10589                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10590                         pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10591                                                pm_reg);
10592
10593                         /* Also, force SERR#/PERR# in PCI command. */
10594                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10595                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10596                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10597                 }
10598         }
10599
10600         /* 5700 BX chips need to have their TX producer index mailboxes
10601          * written twice to workaround a bug.
10602          */
10603         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10604                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10605
10606         /* Back to back register writes can cause problems on this chip,
10607          * the workaround is to read back all reg writes except those to
10608          * mailbox regs.  See tg3_write_indirect_reg32().
10609          *
10610          * PCI Express 5750_A0 rev chips need this workaround too.
10611          */
10612         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10613             ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10614              tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10615                 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10616
10617         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10618                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10619         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10620                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10621
10622         /* Chip-specific fixup from Broadcom driver */
10623         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10624             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10625                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10626                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10627         }
10628
10629         /* Default fast path register access methods */
10630         tp->read32 = tg3_read32;
10631         tp->write32 = tg3_write32;
10632         tp->read32_mbox = tg3_read32;
10633         tp->write32_mbox = tg3_write32;
10634         tp->write32_tx_mbox = tg3_write32;
10635         tp->write32_rx_mbox = tg3_write32;
10636
10637         /* Various workaround register access methods */
10638         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10639                 tp->write32 = tg3_write_indirect_reg32;
10640         else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10641                 tp->write32 = tg3_write_flush_reg32;
10642
10643         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10644             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10645                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10646                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10647                         tp->write32_rx_mbox = tg3_write_flush_reg32;
10648         }
10649
10650         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10651                 tp->read32 = tg3_read_indirect_reg32;
10652                 tp->write32 = tg3_write_indirect_reg32;
10653                 tp->read32_mbox = tg3_read_indirect_mbox;
10654                 tp->write32_mbox = tg3_write_indirect_mbox;
10655                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10656                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10657
10658                 iounmap(tp->regs);
10659                 tp->regs = NULL;
10660
10661                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10662                 pci_cmd &= ~PCI_COMMAND_MEMORY;
10663                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10664         }
10665         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10666                 tp->read32_mbox = tg3_read32_mbox_5906;
10667                 tp->write32_mbox = tg3_write32_mbox_5906;
10668                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10669                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10670         }
10671
10672         if (tp->write32 == tg3_write_indirect_reg32 ||
10673             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10674              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10675               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
10676                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10677
10678         /* Get eeprom hw config before calling tg3_set_power_state().
10679          * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
10680          * determined before calling tg3_set_power_state() so that
10681          * we know whether or not to switch out of Vaux power.
10682          * When the flag is set, it means that GPIO1 is used for eeprom
10683          * write protect and also implies that it is a LOM where GPIOs
10684          * are not used to switch power.
10685          */
10686         tg3_get_eeprom_hw_cfg(tp);
10687
10688         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10689          * GPIO1 driven high will bring 5700's external PHY out of reset.
10690          * It is also used as eeprom write protect on LOMs.
10691          */
10692         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10693         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10694             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10695                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10696                                        GRC_LCLCTRL_GPIO_OUTPUT1);
10697         /* Unused GPIO3 must be driven as output on 5752 because there
10698          * are no pull-up resistors on unused GPIO pins.
10699          */
10700         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10701                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
10702
10703         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10704                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10705
10706         /* Force the chip into D0. */
10707         err = tg3_set_power_state(tp, PCI_D0);
10708         if (err) {
10709                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10710                        pci_name(tp->pdev));
10711                 return err;
10712         }
10713
10714         /* 5700 B0 chips do not support checksumming correctly due
10715          * to hardware bugs.
10716          */
10717         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10718                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10719
10720         /* Derive initial jumbo mode from MTU assigned in
10721          * ether_setup() via the alloc_etherdev() call
10722          */
10723         if (tp->dev->mtu > ETH_DATA_LEN &&
10724             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10725                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
10726
10727         /* Determine WakeOnLan speed to use. */
10728         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10729             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10730             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10731             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10732                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10733         } else {
10734                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10735         }
10736
10737         /* A few boards don't want Ethernet@WireSpeed phy feature */
10738         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10739             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10740              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
10741              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
10742             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
10743             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
10744                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10745
10746         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10747             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10748                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10749         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10750                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10751
10752         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10753                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10754                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
10755                         tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
10756                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10757                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10758         }
10759
10760         tp->coalesce_mode = 0;
10761         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10762             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10763                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10764
10765         /* Initialize MAC MI mode, polling disabled. */
10766         tw32_f(MAC_MI_MODE, tp->mi_mode);
10767         udelay(80);
10768
10769         /* Initialize data/descriptor byte/word swapping. */
10770         val = tr32(GRC_MODE);
10771         val &= GRC_MODE_HOST_STACKUP;
10772         tw32(GRC_MODE, val | tp->grc_mode);
10773
10774         tg3_switch_clocks(tp);
10775
10776         /* Clear this out for sanity. */
10777         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10778
10779         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10780                               &pci_state_reg);
10781         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10782             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10783                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10784
10785                 if (chiprevid == CHIPREV_ID_5701_A0 ||
10786                     chiprevid == CHIPREV_ID_5701_B0 ||
10787                     chiprevid == CHIPREV_ID_5701_B2 ||
10788                     chiprevid == CHIPREV_ID_5701_B5) {
10789                         void __iomem *sram_base;
10790
10791                         /* Write some dummy words into the SRAM status block
10792                          * area, see if it reads back correctly.  If the return
10793                          * value is bad, force enable the PCIX workaround.
10794                          */
10795                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10796
10797                         writel(0x00000000, sram_base);
10798                         writel(0x00000000, sram_base + 4);
10799                         writel(0xffffffff, sram_base + 4);
10800                         if (readl(sram_base) != 0x00000000)
10801                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10802                 }
10803         }
10804
10805         udelay(50);
10806         tg3_nvram_init(tp);
10807
10808         grc_misc_cfg = tr32(GRC_MISC_CFG);
10809         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10810
10811         /* Broadcom's driver says that CIOBE multisplit has a bug */
10812 #if 0
10813         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10814             grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10815                 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10816                 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10817         }
10818 #endif
10819         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10820             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10821              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10822                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10823
10824         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10825             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10826                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10827         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10828                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10829                                       HOSTCC_MODE_CLRTICK_TXBD);
10830
10831                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10832                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10833                                        tp->misc_host_ctrl);
10834         }
10835
10836         /* these are limited to 10/100 only */
10837         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10838              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10839             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10840              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10841              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10842               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10843               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10844             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10845              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
10846               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)) ||
10847             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10848                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10849
10850         err = tg3_phy_probe(tp);
10851         if (err) {
10852                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10853                        pci_name(tp->pdev), err);
10854                 /* ... but do not return immediately ... */
10855         }
10856
10857         tg3_read_partno(tp);
10858         tg3_read_fw_ver(tp);
10859
10860         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10861                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10862         } else {
10863                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10864                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10865                 else
10866                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10867         }
10868
10869         /* 5700 {AX,BX} chips have a broken status block link
10870          * change bit implementation, so we must use the
10871          * status register in those cases.
10872          */
10873         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10874                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10875         else
10876                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10877
10878         /* The led_ctrl is set during tg3_phy_probe, here we might
10879          * have to force the link status polling mechanism based
10880          * upon subsystem IDs.
10881          */
10882         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10883             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10884                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10885                                   TG3_FLAG_USE_LINKCHG_REG);
10886         }
10887
10888         /* For all SERDES we poll the MAC status register. */
10889         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10890                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10891         else
10892                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10893
10894         /* All chips before 5787 can get confused if TX buffers
10895          * straddle the 4GB address boundary in some cases.
10896          */
10897         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10898             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10899             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10900                 tp->dev->hard_start_xmit = tg3_start_xmit;
10901         else
10902                 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
10903
10904         tp->rx_offset = 2;
10905         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10906             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10907                 tp->rx_offset = 0;
10908
10909         tp->rx_std_max_post = TG3_RX_RING_SIZE;
10910
10911         /* Increment the rx prod index on the rx std ring by at most
10912          * 8 for these chips to workaround hw errata.
10913          */
10914         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10915             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10916             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10917                 tp->rx_std_max_post = 8;
10918
10919         /* By default, disable wake-on-lan.  User can change this
10920          * using ETHTOOL_SWOL.
10921          */
10922         tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10923
10924         return err;
10925 }
10926
10927 #ifdef CONFIG_SPARC64
10928 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10929 {
10930         struct net_device *dev = tp->dev;
10931         struct pci_dev *pdev = tp->pdev;
10932         struct pcidev_cookie *pcp = pdev->sysdata;
10933
10934         if (pcp != NULL) {
10935                 unsigned char *addr;
10936                 int len;
10937
10938                 addr = of_get_property(pcp->prom_node, "local-mac-address",
10939                                         &len);
10940                 if (addr && len == 6) {
10941                         memcpy(dev->dev_addr, addr, 6);
10942                         memcpy(dev->perm_addr, dev->dev_addr, 6);
10943                         return 0;
10944                 }
10945         }
10946         return -ENODEV;
10947 }
10948
10949 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
10950 {
10951         struct net_device *dev = tp->dev;
10952
10953         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
10954         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
10955         return 0;
10956 }
10957 #endif
10958
10959 static int __devinit tg3_get_device_address(struct tg3 *tp)
10960 {
10961         struct net_device *dev = tp->dev;
10962         u32 hi, lo, mac_offset;
10963         int addr_ok = 0;
10964
10965 #ifdef CONFIG_SPARC64
10966         if (!tg3_get_macaddr_sparc(tp))
10967                 return 0;
10968 #endif
10969
10970         mac_offset = 0x7c;
10971         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10972             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10973                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
10974                         mac_offset = 0xcc;
10975                 if (tg3_nvram_lock(tp))
10976                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
10977                 else
10978                         tg3_nvram_unlock(tp);
10979         }
10980         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10981                 mac_offset = 0x10;
10982
10983         /* First try to get it from MAC address mailbox. */
10984         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
10985         if ((hi >> 16) == 0x484b) {
10986                 dev->dev_addr[0] = (hi >>  8) & 0xff;
10987                 dev->dev_addr[1] = (hi >>  0) & 0xff;
10988
10989                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
10990                 dev->dev_addr[2] = (lo >> 24) & 0xff;
10991                 dev->dev_addr[3] = (lo >> 16) & 0xff;
10992                 dev->dev_addr[4] = (lo >>  8) & 0xff;
10993                 dev->dev_addr[5] = (lo >>  0) & 0xff;
10994
10995                 /* Some old bootcode may report a 0 MAC address in SRAM */
10996                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
10997         }
10998         if (!addr_ok) {
10999                 /* Next, try NVRAM. */
11000                 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
11001                     !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11002                         dev->dev_addr[0] = ((hi >> 16) & 0xff);
11003                         dev->dev_addr[1] = ((hi >> 24) & 0xff);
11004                         dev->dev_addr[2] = ((lo >>  0) & 0xff);
11005                         dev->dev_addr[3] = ((lo >>  8) & 0xff);
11006                         dev->dev_addr[4] = ((lo >> 16) & 0xff);
11007                         dev->dev_addr[5] = ((lo >> 24) & 0xff);
11008                 }
11009                 /* Finally just fetch it out of the MAC control regs. */
11010                 else {
11011                         hi = tr32(MAC_ADDR_0_HIGH);
11012                         lo = tr32(MAC_ADDR_0_LOW);
11013
11014                         dev->dev_addr[5] = lo & 0xff;
11015                         dev->dev_addr[4] = (lo >> 8) & 0xff;
11016                         dev->dev_addr[3] = (lo >> 16) & 0xff;
11017                         dev->dev_addr[2] = (lo >> 24) & 0xff;
11018                         dev->dev_addr[1] = hi & 0xff;
11019                         dev->dev_addr[0] = (hi >> 8) & 0xff;
11020                 }
11021         }
11022
11023         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11024 #ifdef CONFIG_SPARC64
11025                 if (!tg3_get_default_macaddr_sparc(tp))
11026                         return 0;
11027 #endif
11028                 return -EINVAL;
11029         }
11030         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11031         return 0;
11032 }
11033
11034 #define BOUNDARY_SINGLE_CACHELINE       1
11035 #define BOUNDARY_MULTI_CACHELINE        2
11036
11037 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11038 {
11039         int cacheline_size;
11040         u8 byte;
11041         int goal;
11042
11043         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11044         if (byte == 0)
11045                 cacheline_size = 1024;
11046         else
11047                 cacheline_size = (int) byte * 4;
11048
11049         /* On 5703 and later chips, the boundary bits have no
11050          * effect.
11051          */
11052         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11053             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11054             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11055                 goto out;
11056
11057 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11058         goal = BOUNDARY_MULTI_CACHELINE;
11059 #else
11060 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11061         goal = BOUNDARY_SINGLE_CACHELINE;
11062 #else
11063         goal = 0;
11064 #endif
11065 #endif
11066
11067         if (!goal)
11068                 goto out;
11069
11070         /* PCI controllers on most RISC systems tend to disconnect
11071          * when a device tries to burst across a cache-line boundary.
11072          * Therefore, letting tg3 do so just wastes PCI bandwidth.
11073          *
11074          * Unfortunately, for PCI-E there are only limited
11075          * write-side controls for this, and thus for reads
11076          * we will still get the disconnects.  We'll also waste
11077          * these PCI cycles for both read and write for chips
11078          * other than 5700 and 5701 which do not implement the
11079          * boundary bits.
11080          */
11081         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11082             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11083                 switch (cacheline_size) {
11084                 case 16:
11085                 case 32:
11086                 case 64:
11087                 case 128:
11088                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11089                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11090                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11091                         } else {
11092                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11093                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11094                         }
11095                         break;
11096
11097                 case 256:
11098                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11099                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11100                         break;
11101
11102                 default:
11103                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11104                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11105                         break;
11106                 };
11107         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11108                 switch (cacheline_size) {
11109                 case 16:
11110                 case 32:
11111                 case 64:
11112                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11113                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11114                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11115                                 break;
11116                         }
11117                         /* fallthrough */
11118                 case 128:
11119                 default:
11120                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11121                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11122                         break;
11123                 };
11124         } else {
11125                 switch (cacheline_size) {
11126                 case 16:
11127                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11128                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11129                                         DMA_RWCTRL_WRITE_BNDRY_16);
11130                                 break;
11131                         }
11132                         /* fallthrough */
11133                 case 32:
11134                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11135                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11136                                         DMA_RWCTRL_WRITE_BNDRY_32);
11137                                 break;
11138                         }
11139                         /* fallthrough */
11140                 case 64:
11141                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11142                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11143                                         DMA_RWCTRL_WRITE_BNDRY_64);
11144                                 break;
11145                         }
11146                         /* fallthrough */
11147                 case 128:
11148                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11149                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11150                                         DMA_RWCTRL_WRITE_BNDRY_128);
11151                                 break;
11152                         }
11153                         /* fallthrough */
11154                 case 256:
11155                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
11156                                 DMA_RWCTRL_WRITE_BNDRY_256);
11157                         break;
11158                 case 512:
11159                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
11160                                 DMA_RWCTRL_WRITE_BNDRY_512);
11161                         break;
11162                 case 1024:
11163                 default:
11164                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11165                                 DMA_RWCTRL_WRITE_BNDRY_1024);
11166                         break;
11167                 };
11168         }
11169
11170 out:
11171         return val;
11172 }
11173
11174 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11175 {
11176         struct tg3_internal_buffer_desc test_desc;
11177         u32 sram_dma_descs;
11178         int i, ret;
11179
11180         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11181
11182         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11183         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11184         tw32(RDMAC_STATUS, 0);
11185         tw32(WDMAC_STATUS, 0);
11186
11187         tw32(BUFMGR_MODE, 0);
11188         tw32(FTQ_RESET, 0);
11189
11190         test_desc.addr_hi = ((u64) buf_dma) >> 32;
11191         test_desc.addr_lo = buf_dma & 0xffffffff;
11192         test_desc.nic_mbuf = 0x00002100;
11193         test_desc.len = size;
11194
11195         /*
11196          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11197          * the *second* time the tg3 driver was getting loaded after an
11198          * initial scan.
11199          *
11200          * Broadcom tells me:
11201          *   ...the DMA engine is connected to the GRC block and a DMA
11202          *   reset may affect the GRC block in some unpredictable way...
11203          *   The behavior of resets to individual blocks has not been tested.
11204          *
11205          * Broadcom noted the GRC reset will also reset all sub-components.
11206          */
11207         if (to_device) {
11208                 test_desc.cqid_sqid = (13 << 8) | 2;
11209
11210                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11211                 udelay(40);
11212         } else {
11213                 test_desc.cqid_sqid = (16 << 8) | 7;
11214
11215                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11216                 udelay(40);
11217         }
11218         test_desc.flags = 0x00000005;
11219
11220         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11221                 u32 val;
11222
11223                 val = *(((u32 *)&test_desc) + i);
11224                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11225                                        sram_dma_descs + (i * sizeof(u32)));
11226                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11227         }
11228         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11229
11230         if (to_device) {
11231                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11232         } else {
11233                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11234         }
11235
11236         ret = -ENODEV;
11237         for (i = 0; i < 40; i++) {
11238                 u32 val;
11239
11240                 if (to_device)
11241                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11242                 else
11243                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11244                 if ((val & 0xffff) == sram_dma_descs) {
11245                         ret = 0;
11246                         break;
11247                 }
11248
11249                 udelay(100);
11250         }
11251
11252         return ret;
11253 }
11254
11255 #define TEST_BUFFER_SIZE        0x2000
11256
11257 static int __devinit tg3_test_dma(struct tg3 *tp)
11258 {
11259         dma_addr_t buf_dma;
11260         u32 *buf, saved_dma_rwctrl;
11261         int ret;
11262
11263         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11264         if (!buf) {
11265                 ret = -ENOMEM;
11266                 goto out_nofree;
11267         }
11268
11269         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11270                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11271
11272         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11273
11274         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11275                 /* DMA read watermark not used on PCIE */
11276                 tp->dma_rwctrl |= 0x00180000;
11277         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11278                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11279                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11280                         tp->dma_rwctrl |= 0x003f0000;
11281                 else
11282                         tp->dma_rwctrl |= 0x003f000f;
11283         } else {
11284                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11285                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11286                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11287
11288                         /* If the 5704 is behind the EPB bridge, we can
11289                          * do the less restrictive ONE_DMA workaround for
11290                          * better performance.
11291                          */
11292                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11293                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11294                                 tp->dma_rwctrl |= 0x8000;
11295                         else if (ccval == 0x6 || ccval == 0x7)
11296                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11297
11298                         /* Set bit 23 to enable PCIX hw bug fix */
11299                         tp->dma_rwctrl |= 0x009f0000;
11300                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11301                         /* 5780 always in PCIX mode */
11302                         tp->dma_rwctrl |= 0x00144000;
11303                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11304                         /* 5714 always in PCIX mode */
11305                         tp->dma_rwctrl |= 0x00148000;
11306                 } else {
11307                         tp->dma_rwctrl |= 0x001b000f;
11308                 }
11309         }
11310
11311         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11312             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11313                 tp->dma_rwctrl &= 0xfffffff0;
11314
11315         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11316             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11317                 /* Remove this if it causes problems for some boards. */
11318                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11319
11320                 /* On 5700/5701 chips, we need to set this bit.
11321                  * Otherwise the chip will issue cacheline transactions
11322                  * to streamable DMA memory with not all the byte
11323                  * enables turned on.  This is an error on several
11324                  * RISC PCI controllers, in particular sparc64.
11325                  *
11326                  * On 5703/5704 chips, this bit has been reassigned
11327                  * a different meaning.  In particular, it is used
11328                  * on those chips to enable a PCI-X workaround.
11329                  */
11330                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11331         }
11332
11333         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11334
11335 #if 0
11336         /* Unneeded, already done by tg3_get_invariants.  */
11337         tg3_switch_clocks(tp);
11338 #endif
11339
11340         ret = 0;
11341         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11342             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11343                 goto out;
11344
11345         /* It is best to perform DMA test with maximum write burst size
11346          * to expose the 5700/5701 write DMA bug.
11347          */
11348         saved_dma_rwctrl = tp->dma_rwctrl;
11349         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11350         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11351
11352         while (1) {
11353                 u32 *p = buf, i;
11354
11355                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11356                         p[i] = i;
11357
11358                 /* Send the buffer to the chip. */
11359                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11360                 if (ret) {
11361                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11362                         break;
11363                 }
11364
11365 #if 0
11366                 /* validate data reached card RAM correctly. */
11367                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11368                         u32 val;
11369                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
11370                         if (le32_to_cpu(val) != p[i]) {
11371                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
11372                                 /* ret = -ENODEV here? */
11373                         }
11374                         p[i] = 0;
11375                 }
11376 #endif
11377                 /* Now read it back. */
11378                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11379                 if (ret) {
11380                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11381
11382                         break;
11383                 }
11384
11385                 /* Verify it. */
11386                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11387                         if (p[i] == i)
11388                                 continue;
11389
11390                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11391                             DMA_RWCTRL_WRITE_BNDRY_16) {
11392                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11393                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11394                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11395                                 break;
11396                         } else {
11397                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11398                                 ret = -ENODEV;
11399                                 goto out;
11400                         }
11401                 }
11402
11403                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11404                         /* Success. */
11405                         ret = 0;
11406                         break;
11407                 }
11408         }
11409         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11410             DMA_RWCTRL_WRITE_BNDRY_16) {
11411                 static struct pci_device_id dma_wait_state_chipsets[] = {
11412                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11413                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11414                         { },
11415                 };
11416
11417                 /* DMA test passed without adjusting DMA boundary,
11418                  * now look for chipsets that are known to expose the
11419                  * DMA bug without failing the test.
11420                  */
11421                 if (pci_dev_present(dma_wait_state_chipsets)) {
11422                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11423                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11424                 }
11425                 else
11426                         /* Safe to use the calculated DMA boundary. */
11427                         tp->dma_rwctrl = saved_dma_rwctrl;
11428
11429                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11430         }
11431
11432 out:
11433         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11434 out_nofree:
11435         return ret;
11436 }
11437
11438 static void __devinit tg3_init_link_config(struct tg3 *tp)
11439 {
11440         tp->link_config.advertising =
11441                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11442                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11443                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11444                  ADVERTISED_Autoneg | ADVERTISED_MII);
11445         tp->link_config.speed = SPEED_INVALID;
11446         tp->link_config.duplex = DUPLEX_INVALID;
11447         tp->link_config.autoneg = AUTONEG_ENABLE;
11448         tp->link_config.active_speed = SPEED_INVALID;
11449         tp->link_config.active_duplex = DUPLEX_INVALID;
11450         tp->link_config.phy_is_low_power = 0;
11451         tp->link_config.orig_speed = SPEED_INVALID;
11452         tp->link_config.orig_duplex = DUPLEX_INVALID;
11453         tp->link_config.orig_autoneg = AUTONEG_INVALID;
11454 }
11455
11456 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11457 {
11458         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11459                 tp->bufmgr_config.mbuf_read_dma_low_water =
11460                         DEFAULT_MB_RDMA_LOW_WATER_5705;
11461                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11462                         DEFAULT_MB_MACRX_LOW_WATER_5705;
11463                 tp->bufmgr_config.mbuf_high_water =
11464                         DEFAULT_MB_HIGH_WATER_5705;
11465                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11466                         tp->bufmgr_config.mbuf_mac_rx_low_water =
11467                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
11468                         tp->bufmgr_config.mbuf_high_water =
11469                                 DEFAULT_MB_HIGH_WATER_5906;
11470                 }
11471
11472                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11473                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11474                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11475                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11476                 tp->bufmgr_config.mbuf_high_water_jumbo =
11477                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11478         } else {
11479                 tp->bufmgr_config.mbuf_read_dma_low_water =
11480                         DEFAULT_MB_RDMA_LOW_WATER;
11481                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11482                         DEFAULT_MB_MACRX_LOW_WATER;
11483                 tp->bufmgr_config.mbuf_high_water =
11484                         DEFAULT_MB_HIGH_WATER;
11485
11486                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11487                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11488                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11489                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11490                 tp->bufmgr_config.mbuf_high_water_jumbo =
11491                         DEFAULT_MB_HIGH_WATER_JUMBO;
11492         }
11493
11494         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11495         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11496 }
11497
11498 static char * __devinit tg3_phy_string(struct tg3 *tp)
11499 {
11500         switch (tp->phy_id & PHY_ID_MASK) {
11501         case PHY_ID_BCM5400:    return "5400";
11502         case PHY_ID_BCM5401:    return "5401";
11503         case PHY_ID_BCM5411:    return "5411";
11504         case PHY_ID_BCM5701:    return "5701";
11505         case PHY_ID_BCM5703:    return "5703";
11506         case PHY_ID_BCM5704:    return "5704";
11507         case PHY_ID_BCM5705:    return "5705";
11508         case PHY_ID_BCM5750:    return "5750";
11509         case PHY_ID_BCM5752:    return "5752";
11510         case PHY_ID_BCM5714:    return "5714";
11511         case PHY_ID_BCM5780:    return "5780";
11512         case PHY_ID_BCM5755:    return "5755";
11513         case PHY_ID_BCM5787:    return "5787";
11514         case PHY_ID_BCM5756:    return "5722/5756";
11515         case PHY_ID_BCM5906:    return "5906";
11516         case PHY_ID_BCM8002:    return "8002/serdes";
11517         case 0:                 return "serdes";
11518         default:                return "unknown";
11519         };
11520 }
11521
11522 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11523 {
11524         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11525                 strcpy(str, "PCI Express");
11526                 return str;
11527         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11528                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11529
11530                 strcpy(str, "PCIX:");
11531
11532                 if ((clock_ctrl == 7) ||
11533                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11534                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11535                         strcat(str, "133MHz");
11536                 else if (clock_ctrl == 0)
11537                         strcat(str, "33MHz");
11538                 else if (clock_ctrl == 2)
11539                         strcat(str, "50MHz");
11540                 else if (clock_ctrl == 4)
11541                         strcat(str, "66MHz");
11542                 else if (clock_ctrl == 6)
11543                         strcat(str, "100MHz");
11544         } else {
11545                 strcpy(str, "PCI:");
11546                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11547                         strcat(str, "66MHz");
11548                 else
11549                         strcat(str, "33MHz");
11550         }
11551         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11552                 strcat(str, ":32-bit");
11553         else
11554                 strcat(str, ":64-bit");
11555         return str;
11556 }
11557
11558 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
11559 {
11560         struct pci_dev *peer;
11561         unsigned int func, devnr = tp->pdev->devfn & ~7;
11562
11563         for (func = 0; func < 8; func++) {
11564                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11565                 if (peer && peer != tp->pdev)
11566                         break;
11567                 pci_dev_put(peer);
11568         }
11569         /* 5704 can be configured in single-port mode, set peer to
11570          * tp->pdev in that case.
11571          */
11572         if (!peer) {
11573                 peer = tp->pdev;
11574                 return peer;
11575         }
11576
11577         /*
11578          * We don't need to keep the refcount elevated; there's no way
11579          * to remove one half of this device without removing the other
11580          */
11581         pci_dev_put(peer);
11582
11583         return peer;
11584 }
11585
11586 static void __devinit tg3_init_coal(struct tg3 *tp)
11587 {
11588         struct ethtool_coalesce *ec = &tp->coal;
11589
11590         memset(ec, 0, sizeof(*ec));
11591         ec->cmd = ETHTOOL_GCOALESCE;
11592         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11593         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11594         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11595         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11596         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11597         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11598         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11599         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11600         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11601
11602         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11603                                  HOSTCC_MODE_CLRTICK_TXBD)) {
11604                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11605                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11606                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11607                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11608         }
11609
11610         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11611                 ec->rx_coalesce_usecs_irq = 0;
11612                 ec->tx_coalesce_usecs_irq = 0;
11613                 ec->stats_block_coalesce_usecs = 0;
11614         }
11615 }
11616
11617 static int __devinit tg3_init_one(struct pci_dev *pdev,
11618                                   const struct pci_device_id *ent)
11619 {
11620         static int tg3_version_printed = 0;
11621         unsigned long tg3reg_base, tg3reg_len;
11622         struct net_device *dev;
11623         struct tg3 *tp;
11624         int i, err, pm_cap;
11625         char str[40];
11626         u64 dma_mask, persist_dma_mask;
11627
11628         if (tg3_version_printed++ == 0)
11629                 printk(KERN_INFO "%s", version);
11630
11631         err = pci_enable_device(pdev);
11632         if (err) {
11633                 printk(KERN_ERR PFX "Cannot enable PCI device, "
11634                        "aborting.\n");
11635                 return err;
11636         }
11637
11638         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11639                 printk(KERN_ERR PFX "Cannot find proper PCI device "
11640                        "base address, aborting.\n");
11641                 err = -ENODEV;
11642                 goto err_out_disable_pdev;
11643         }
11644
11645         err = pci_request_regions(pdev, DRV_MODULE_NAME);
11646         if (err) {
11647                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11648                        "aborting.\n");
11649                 goto err_out_disable_pdev;
11650         }
11651
11652         pci_set_master(pdev);
11653
11654         /* Find power-management capability. */
11655         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11656         if (pm_cap == 0) {
11657                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11658                        "aborting.\n");
11659                 err = -EIO;
11660                 goto err_out_free_res;
11661         }
11662
11663         tg3reg_base = pci_resource_start(pdev, 0);
11664         tg3reg_len = pci_resource_len(pdev, 0);
11665
11666         dev = alloc_etherdev(sizeof(*tp));
11667         if (!dev) {
11668                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11669                 err = -ENOMEM;
11670                 goto err_out_free_res;
11671         }
11672
11673         SET_MODULE_OWNER(dev);
11674         SET_NETDEV_DEV(dev, &pdev->dev);
11675
11676 #if TG3_VLAN_TAG_USED
11677         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11678         dev->vlan_rx_register = tg3_vlan_rx_register;
11679         dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11680 #endif
11681
11682         tp = netdev_priv(dev);
11683         tp->pdev = pdev;
11684         tp->dev = dev;
11685         tp->pm_cap = pm_cap;
11686         tp->mac_mode = TG3_DEF_MAC_MODE;
11687         tp->rx_mode = TG3_DEF_RX_MODE;
11688         tp->tx_mode = TG3_DEF_TX_MODE;
11689         tp->mi_mode = MAC_MI_MODE_BASE;
11690         if (tg3_debug > 0)
11691                 tp->msg_enable = tg3_debug;
11692         else
11693                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11694
11695         /* The word/byte swap controls here control register access byte
11696          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
11697          * setting below.
11698          */
11699         tp->misc_host_ctrl =
11700                 MISC_HOST_CTRL_MASK_PCI_INT |
11701                 MISC_HOST_CTRL_WORD_SWAP |
11702                 MISC_HOST_CTRL_INDIR_ACCESS |
11703                 MISC_HOST_CTRL_PCISTATE_RW;
11704
11705         /* The NONFRM (non-frame) byte/word swap controls take effect
11706          * on descriptor entries, anything which isn't packet data.
11707          *
11708          * The StrongARM chips on the board (one for tx, one for rx)
11709          * are running in big-endian mode.
11710          */
11711         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11712                         GRC_MODE_WSWAP_NONFRM_DATA);
11713 #ifdef __BIG_ENDIAN
11714         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11715 #endif
11716         spin_lock_init(&tp->lock);
11717         spin_lock_init(&tp->indirect_lock);
11718         INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
11719
11720         tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11721         if (tp->regs == 0UL) {
11722                 printk(KERN_ERR PFX "Cannot map device registers, "
11723                        "aborting.\n");
11724                 err = -ENOMEM;
11725                 goto err_out_free_dev;
11726         }
11727
11728         tg3_init_link_config(tp);
11729
11730         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11731         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11732         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11733
11734         dev->open = tg3_open;
11735         dev->stop = tg3_close;
11736         dev->get_stats = tg3_get_stats;
11737         dev->set_multicast_list = tg3_set_rx_mode;
11738         dev->set_mac_address = tg3_set_mac_addr;
11739         dev->do_ioctl = tg3_ioctl;
11740         dev->tx_timeout = tg3_tx_timeout;
11741         dev->poll = tg3_poll;
11742         dev->ethtool_ops = &tg3_ethtool_ops;
11743         dev->weight = 64;
11744         dev->watchdog_timeo = TG3_TX_TIMEOUT;
11745         dev->change_mtu = tg3_change_mtu;
11746         dev->irq = pdev->irq;
11747 #ifdef CONFIG_NET_POLL_CONTROLLER
11748         dev->poll_controller = tg3_poll_controller;
11749 #endif
11750
11751         err = tg3_get_invariants(tp);
11752         if (err) {
11753                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11754                        "aborting.\n");
11755                 goto err_out_iounmap;
11756         }
11757
11758         /* The EPB bridge inside 5714, 5715, and 5780 and any
11759          * device behind the EPB cannot support DMA addresses > 40-bit.
11760          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11761          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11762          * do DMA address check in tg3_start_xmit().
11763          */
11764         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11765                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11766         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
11767                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11768 #ifdef CONFIG_HIGHMEM
11769                 dma_mask = DMA_64BIT_MASK;
11770 #endif
11771         } else
11772                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11773
11774         /* Configure DMA attributes. */
11775         if (dma_mask > DMA_32BIT_MASK) {
11776                 err = pci_set_dma_mask(pdev, dma_mask);
11777                 if (!err) {
11778                         dev->features |= NETIF_F_HIGHDMA;
11779                         err = pci_set_consistent_dma_mask(pdev,
11780                                                           persist_dma_mask);
11781                         if (err < 0) {
11782                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11783                                        "DMA for consistent allocations\n");
11784                                 goto err_out_iounmap;
11785                         }
11786                 }
11787         }
11788         if (err || dma_mask == DMA_32BIT_MASK) {
11789                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11790                 if (err) {
11791                         printk(KERN_ERR PFX "No usable DMA configuration, "
11792                                "aborting.\n");
11793                         goto err_out_iounmap;
11794                 }
11795         }
11796
11797         tg3_init_bufmgr_config(tp);
11798
11799 #if TG3_TSO_SUPPORT != 0
11800         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11801                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11802         }
11803         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11804             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11805             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
11806             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11807                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11808         } else {
11809                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11810         }
11811
11812         /* TSO is on by default on chips that support hardware TSO.
11813          * Firmware TSO on older chips gives lower performance, so it
11814          * is off by default, but can be enabled using ethtool.
11815          */
11816         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11817                 dev->features |= NETIF_F_TSO;
11818                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11819                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
11820                         dev->features |= NETIF_F_TSO6;
11821         }
11822
11823 #endif
11824
11825         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11826             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11827             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11828                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11829                 tp->rx_pending = 63;
11830         }
11831
11832         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11833             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11834                 tp->pdev_peer = tg3_find_peer(tp);
11835
11836         err = tg3_get_device_address(tp);
11837         if (err) {
11838                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11839                        "aborting.\n");
11840                 goto err_out_iounmap;
11841         }
11842
11843         /*
11844          * Reset chip in case UNDI or EFI driver did not shutdown
11845          * DMA self test will enable WDMAC and we'll see (spurious)
11846          * pending DMA on the PCI bus at that point.
11847          */
11848         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11849             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11850                 pci_save_state(tp->pdev);
11851                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
11852                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11853         }
11854
11855         err = tg3_test_dma(tp);
11856         if (err) {
11857                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11858                 goto err_out_iounmap;
11859         }
11860
11861         /* Tigon3 can do ipv4 only... and some chips have buggy
11862          * checksumming.
11863          */
11864         if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
11865                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11866                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
11867                         dev->features |= NETIF_F_HW_CSUM;
11868                 else
11869                         dev->features |= NETIF_F_IP_CSUM;
11870                 dev->features |= NETIF_F_SG;
11871                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11872         } else
11873                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11874
11875         /* flow control autonegotiation is default behavior */
11876         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11877
11878         tg3_init_coal(tp);
11879
11880         /* Now that we have fully setup the chip, save away a snapshot
11881          * of the PCI config space.  We need to restore this after
11882          * GRC_MISC_CFG core clock resets and some resume events.
11883          */
11884         pci_save_state(tp->pdev);
11885
11886         err = register_netdev(dev);
11887         if (err) {
11888                 printk(KERN_ERR PFX "Cannot register net device, "
11889                        "aborting.\n");
11890                 goto err_out_iounmap;
11891         }
11892
11893         pci_set_drvdata(pdev, dev);
11894
11895         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
11896                dev->name,
11897                tp->board_part_number,
11898                tp->pci_chip_rev_id,
11899                tg3_phy_string(tp),
11900                tg3_bus_string(tp, str),
11901                (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
11902
11903         for (i = 0; i < 6; i++)
11904                 printk("%2.2x%c", dev->dev_addr[i],
11905                        i == 5 ? '\n' : ':');
11906
11907         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11908                "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11909                "TSOcap[%d] \n",
11910                dev->name,
11911                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11912                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11913                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11914                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11915                (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11916                (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11917                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
11918         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11919                dev->name, tp->dma_rwctrl,
11920                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11921                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
11922
11923         netif_carrier_off(tp->dev);
11924
11925         return 0;
11926
11927 err_out_iounmap:
11928         if (tp->regs) {
11929                 iounmap(tp->regs);
11930                 tp->regs = NULL;
11931         }
11932
11933 err_out_free_dev:
11934         free_netdev(dev);
11935
11936 err_out_free_res:
11937         pci_release_regions(pdev);
11938
11939 err_out_disable_pdev:
11940         pci_disable_device(pdev);
11941         pci_set_drvdata(pdev, NULL);
11942         return err;
11943 }
11944
11945 static void __devexit tg3_remove_one(struct pci_dev *pdev)
11946 {
11947         struct net_device *dev = pci_get_drvdata(pdev);
11948
11949         if (dev) {
11950                 struct tg3 *tp = netdev_priv(dev);
11951
11952                 flush_scheduled_work();
11953                 unregister_netdev(dev);
11954                 if (tp->regs) {
11955                         iounmap(tp->regs);
11956                         tp->regs = NULL;
11957                 }
11958                 free_netdev(dev);
11959                 pci_release_regions(pdev);
11960                 pci_disable_device(pdev);
11961                 pci_set_drvdata(pdev, NULL);
11962         }
11963 }
11964
11965 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
11966 {
11967         struct net_device *dev = pci_get_drvdata(pdev);
11968         struct tg3 *tp = netdev_priv(dev);
11969         int err;
11970
11971         if (!netif_running(dev))
11972                 return 0;
11973
11974         flush_scheduled_work();
11975         tg3_netif_stop(tp);
11976
11977         del_timer_sync(&tp->timer);
11978
11979         tg3_full_lock(tp, 1);
11980         tg3_disable_ints(tp);
11981         tg3_full_unlock(tp);
11982
11983         netif_device_detach(dev);
11984
11985         tg3_full_lock(tp, 0);
11986         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11987         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
11988         tg3_full_unlock(tp);
11989
11990         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
11991         if (err) {
11992                 tg3_full_lock(tp, 0);
11993
11994                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11995                 if (tg3_restart_hw(tp, 1))
11996                         goto out;
11997
11998                 tp->timer.expires = jiffies + tp->timer_offset;
11999                 add_timer(&tp->timer);
12000
12001                 netif_device_attach(dev);
12002                 tg3_netif_start(tp);
12003
12004 out:
12005                 tg3_full_unlock(tp);
12006         }
12007
12008         return err;
12009 }
12010
12011 static int tg3_resume(struct pci_dev *pdev)
12012 {
12013         struct net_device *dev = pci_get_drvdata(pdev);
12014         struct tg3 *tp = netdev_priv(dev);
12015         int err;
12016
12017         if (!netif_running(dev))
12018                 return 0;
12019
12020         pci_restore_state(tp->pdev);
12021
12022         err = tg3_set_power_state(tp, PCI_D0);
12023         if (err)
12024                 return err;
12025
12026         netif_device_attach(dev);
12027
12028         tg3_full_lock(tp, 0);
12029
12030         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12031         err = tg3_restart_hw(tp, 1);
12032         if (err)
12033                 goto out;
12034
12035         tp->timer.expires = jiffies + tp->timer_offset;
12036         add_timer(&tp->timer);
12037
12038         tg3_netif_start(tp);
12039
12040 out:
12041         tg3_full_unlock(tp);
12042
12043         return err;
12044 }
12045
12046 static struct pci_driver tg3_driver = {
12047         .name           = DRV_MODULE_NAME,
12048         .id_table       = tg3_pci_tbl,
12049         .probe          = tg3_init_one,
12050         .remove         = __devexit_p(tg3_remove_one),
12051         .suspend        = tg3_suspend,
12052         .resume         = tg3_resume
12053 };
12054
12055 static int __init tg3_init(void)
12056 {
12057         return pci_register_driver(&tg3_driver);
12058 }
12059
12060 static void __exit tg3_cleanup(void)
12061 {
12062         pci_unregister_driver(&tg3_driver);
12063 }
12064
12065 module_init(tg3_init);
12066 module_exit(tg3_cleanup);