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) 2005-2007 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  10  *      Derived from proprietary unpublished source code,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 #include <net/ip.h>
  44
  45 #include <asm/system.h>
  46 #include <asm/io.h>
  47 #include <asm/byteorder.h>
  48 #include <asm/uaccess.h>
  49
  50 #ifdef CONFIG_SPARC
  51 #include <asm/idprom.h>
  52 #include <asm/prom.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 #define TG3_TSO_SUPPORT 1
  62
  63 #include "tg3.h"
  64
  65 #define DRV_MODULE_NAME         "tg3"
  66 #define PFX DRV_MODULE_NAME     ": "
  67 #define DRV_MODULE_VERSION      "3.81"
  68 #define DRV_MODULE_RELDATE      "September 5, 2007"
  69
  70 #define TG3_DEF_MAC_MODE        0
  71 #define TG3_DEF_RX_MODE         0
  72 #define TG3_DEF_TX_MODE         0
  73 #define TG3_DEF_MSG_ENABLE        \
  74         (NETIF_MSG_DRV          | \
  75          NETIF_MSG_PROBE        | \
  76          NETIF_MSG_LINK         | \
  77          NETIF_MSG_TIMER        | \
  78          NETIF_MSG_IFDOWN       | \
  79          NETIF_MSG_IFUP         | \
  80          NETIF_MSG_RX_ERR       | \
  81          NETIF_MSG_TX_ERR)
  82
  83 /* length of time before we decide the hardware is borked,
  84  * and dev->tx_timeout() should be called to fix the problem
  85  */
  86 #define TG3_TX_TIMEOUT                  (5 * HZ)
  87
  88 /* hardware minimum and maximum for a single frame's data payload */
  89 #define TG3_MIN_MTU                     60
  90 #define TG3_MAX_MTU(tp) \
  91         ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  92
  93 /* These numbers seem to be hard coded in the NIC firmware somehow.
  94  * You can't change the ring sizes, but you can change where you place
  95  * them in the NIC onboard memory.
  96  */
  97 #define TG3_RX_RING_SIZE                512
  98 #define TG3_DEF_RX_RING_PENDING         200
  99 #define TG3_RX_JUMBO_RING_SIZE          256
 100 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 101
 102 /* Do not place this n-ring entries value into the tp struct itself,
 103  * we really want to expose these constants to GCC so that modulo et
 104  * al.  operations are done with shifts and masks instead of with
 105  * hw multiply/modulo instructions.  Another solution would be to
 106  * replace things like '% foo' with '& (foo - 1)'.
 107  */
 108 #define TG3_RX_RCB_RING_SIZE(tp)        \
 109         ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ?  512 : 1024)
 110
 111 #define TG3_TX_RING_SIZE                512
 112 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 113
 114 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 115                                  TG3_RX_RING_SIZE)
 116 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
 117                                  TG3_RX_JUMBO_RING_SIZE)
 118 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 119                                    TG3_RX_RCB_RING_SIZE(tp))
 120 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 121                                  TG3_TX_RING_SIZE)
 122 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 123
 124 #define RX_PKT_BUF_SZ           (1536 + tp->rx_offset + 64)
 125 #define RX_JUMBO_PKT_BUF_SZ     (9046 + tp->rx_offset + 64)
 126
 127 /* minimum number of free TX descriptors required to wake up TX process */
 128 #define TG3_TX_WAKEUP_THRESH(tp)                ((tp)->tx_pending / 4)
 129
 130 /* number of ETHTOOL_GSTATS u64's */
 131 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 132
 133 #define TG3_NUM_TEST            6
 134
 135 static char version[] __devinitdata =
 136         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 137
 138 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 139 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 140 MODULE_LICENSE("GPL");
 141 MODULE_VERSION(DRV_MODULE_VERSION);
 142
 143 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 144 module_param(tg3_debug, int, 0);
 145 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 146
 147 static struct pci_device_id tg3_pci_tbl[] = {
 148         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 149         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 150         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 151         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 152         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 153         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 154         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 155         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 156         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 157         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 158         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 159         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 160         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 161         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 208         {}
 209 };
 210
 211 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 212
 213 static const struct {
 214         const char string[ETH_GSTRING_LEN];
 215 } ethtool_stats_keys[TG3_NUM_STATS] = {
 216         { "rx_octets" },
 217         { "rx_fragments" },
 218         { "rx_ucast_packets" },
 219         { "rx_mcast_packets" },
 220         { "rx_bcast_packets" },
 221         { "rx_fcs_errors" },
 222         { "rx_align_errors" },
 223         { "rx_xon_pause_rcvd" },
 224         { "rx_xoff_pause_rcvd" },
 225         { "rx_mac_ctrl_rcvd" },
 226         { "rx_xoff_entered" },
 227         { "rx_frame_too_long_errors" },
 228         { "rx_jabbers" },
 229         { "rx_undersize_packets" },
 230         { "rx_in_length_errors" },
 231         { "rx_out_length_errors" },
 232         { "rx_64_or_less_octet_packets" },
 233         { "rx_65_to_127_octet_packets" },
 234         { "rx_128_to_255_octet_packets" },
 235         { "rx_256_to_511_octet_packets" },
 236         { "rx_512_to_1023_octet_packets" },
 237         { "rx_1024_to_1522_octet_packets" },
 238         { "rx_1523_to_2047_octet_packets" },
 239         { "rx_2048_to_4095_octet_packets" },
 240         { "rx_4096_to_8191_octet_packets" },
 241         { "rx_8192_to_9022_octet_packets" },
 242
 243         { "tx_octets" },
 244         { "tx_collisions" },
 245
 246         { "tx_xon_sent" },
 247         { "tx_xoff_sent" },
 248         { "tx_flow_control" },
 249         { "tx_mac_errors" },
 250         { "tx_single_collisions" },
 251         { "tx_mult_collisions" },
 252         { "tx_deferred" },
 253         { "tx_excessive_collisions" },
 254         { "tx_late_collisions" },
 255         { "tx_collide_2times" },
 256         { "tx_collide_3times" },
 257         { "tx_collide_4times" },
 258         { "tx_collide_5times" },
 259         { "tx_collide_6times" },
 260         { "tx_collide_7times" },
 261         { "tx_collide_8times" },
 262         { "tx_collide_9times" },
 263         { "tx_collide_10times" },
 264         { "tx_collide_11times" },
 265         { "tx_collide_12times" },
 266         { "tx_collide_13times" },
 267         { "tx_collide_14times" },
 268         { "tx_collide_15times" },
 269         { "tx_ucast_packets" },
 270         { "tx_mcast_packets" },
 271         { "tx_bcast_packets" },
 272         { "tx_carrier_sense_errors" },
 273         { "tx_discards" },
 274         { "tx_errors" },
 275
 276         { "dma_writeq_full" },
 277         { "dma_write_prioq_full" },
 278         { "rxbds_empty" },
 279         { "rx_discards" },
 280         { "rx_errors" },
 281         { "rx_threshold_hit" },
 282
 283         { "dma_readq_full" },
 284         { "dma_read_prioq_full" },
 285         { "tx_comp_queue_full" },
 286
 287         { "ring_set_send_prod_index" },
 288         { "ring_status_update" },
 289         { "nic_irqs" },
 290         { "nic_avoided_irqs" },
 291         { "nic_tx_threshold_hit" }
 292 };
 293
 294 static const struct {
 295         const char string[ETH_GSTRING_LEN];
 296 } ethtool_test_keys[TG3_NUM_TEST] = {
 297         { "nvram test     (online) " },
 298         { "link test      (online) " },
 299         { "register test  (offline)" },
 300         { "memory test    (offline)" },
 301         { "loopback test  (offline)" },
 302         { "interrupt test (offline)" },
 303 };
 304
 305 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 306 {
 307         writel(val, tp->regs + off);
 308 }
 309
 310 static u32 tg3_read32(struct tg3 *tp, u32 off)
 311 {
 312         return (readl(tp->regs + off));
 313 }
 314
 315 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 316 {
 317         unsigned long flags;
 318
 319         spin_lock_irqsave(&tp->indirect_lock, flags);
 320         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 321         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 322         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 323 }
 324
 325 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 326 {
 327         writel(val, tp->regs + off);
 328         readl(tp->regs + off);
 329 }
 330
 331 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 332 {
 333         unsigned long flags;
 334         u32 val;
 335
 336         spin_lock_irqsave(&tp->indirect_lock, flags);
 337         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 338         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 339         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 340         return val;
 341 }
 342
 343 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 344 {
 345         unsigned long flags;
 346
 347         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 348                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 349                                        TG3_64BIT_REG_LOW, val);
 350                 return;
 351         }
 352         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 353                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 354                                        TG3_64BIT_REG_LOW, val);
 355                 return;
 356         }
 357
 358         spin_lock_irqsave(&tp->indirect_lock, flags);
 359         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 360         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 361         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 362
 363         /* In indirect mode when disabling interrupts, we also need
 364          * to clear the interrupt bit in the GRC local ctrl register.
 365          */
 366         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 367             (val == 0x1)) {
 368                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 369                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 370         }
 371 }
 372
 373 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 374 {
 375         unsigned long flags;
 376         u32 val;
 377
 378         spin_lock_irqsave(&tp->indirect_lock, flags);
 379         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 380         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 381         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 382         return val;
 383 }
 384
 385 /* usec_wait specifies the wait time in usec when writing to certain registers
 386  * where it is unsafe to read back the register without some delay.
 387  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 388  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 389  */
 390 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 391 {
 392         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 393             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 394                 /* Non-posted methods */
 395                 tp->write32(tp, off, val);
 396         else {
 397                 /* Posted method */
 398                 tg3_write32(tp, off, val);
 399                 if (usec_wait)
 400                         udelay(usec_wait);
 401                 tp->read32(tp, off);
 402         }
 403         /* Wait again after the read for the posted method to guarantee that
 404          * the wait time is met.
 405          */
 406         if (usec_wait)
 407                 udelay(usec_wait);
 408 }
 409
 410 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 411 {
 412         tp->write32_mbox(tp, off, val);
 413         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 414             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 415                 tp->read32_mbox(tp, off);
 416 }
 417
 418 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 419 {
 420         void __iomem *mbox = tp->regs + off;
 421         writel(val, mbox);
 422         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 423                 writel(val, mbox);
 424         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 425                 readl(mbox);
 426 }
 427
 428 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 429 {
 430         return (readl(tp->regs + off + GRCMBOX_BASE));
 431 }
 432
 433 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 434 {
 435         writel(val, tp->regs + off + GRCMBOX_BASE);
 436 }
 437
 438 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 439 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 440 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 441 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 442 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 443
 444 #define tw32(reg,val)           tp->write32(tp, reg, val)
 445 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 446 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 447 #define tr32(reg)               tp->read32(tp, reg)
 448
 449 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 450 {
 451         unsigned long flags;
 452
 453         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 454             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 455                 return;
 456
 457         spin_lock_irqsave(&tp->indirect_lock, flags);
 458         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 459                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 460                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 461
 462                 /* Always leave this as zero. */
 463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 464         } else {
 465                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 466                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 467
 468                 /* Always leave this as zero. */
 469                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 470         }
 471         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 472 }
 473
 474 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 475 {
 476         unsigned long flags;
 477
 478         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 479             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 480                 *val = 0;
 481                 return;
 482         }
 483
 484         spin_lock_irqsave(&tp->indirect_lock, flags);
 485         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 486                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 487                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 488
 489                 /* Always leave this as zero. */
 490                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 491         } else {
 492                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 493                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 494
 495                 /* Always leave this as zero. */
 496                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 497         }
 498         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 499 }
 500
 501 static void tg3_disable_ints(struct tg3 *tp)
 502 {
 503         tw32(TG3PCI_MISC_HOST_CTRL,
 504              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 505         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 506 }
 507
 508 static inline void tg3_cond_int(struct tg3 *tp)
 509 {
 510         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 511             (tp->hw_status->status & SD_STATUS_UPDATED))
 512                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 513         else
 514                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 515                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 516 }
 517
 518 static void tg3_enable_ints(struct tg3 *tp)
 519 {
 520         tp->irq_sync = 0;
 521         wmb();
 522
 523         tw32(TG3PCI_MISC_HOST_CTRL,
 524              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 525         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 526                        (tp->last_tag << 24));
 527         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 528                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 529                                (tp->last_tag << 24));
 530         tg3_cond_int(tp);
 531 }
 532
 533 static inline unsigned int tg3_has_work(struct tg3 *tp)
 534 {
 535         struct tg3_hw_status *sblk = tp->hw_status;
 536         unsigned int work_exists = 0;
 537
 538         /* check for phy events */
 539         if (!(tp->tg3_flags &
 540               (TG3_FLAG_USE_LINKCHG_REG |
 541                TG3_FLAG_POLL_SERDES))) {
 542                 if (sblk->status & SD_STATUS_LINK_CHG)
 543                         work_exists = 1;
 544         }
 545         /* check for RX/TX work to do */
 546         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 547             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 548                 work_exists = 1;
 549
 550         return work_exists;
 551 }
 552
 553 /* tg3_restart_ints
 554  *  similar to tg3_enable_ints, but it accurately determines whether there
 555  *  is new work pending and can return without flushing the PIO write
 556  *  which reenables interrupts
 557  */
 558 static void tg3_restart_ints(struct tg3 *tp)
 559 {
 560         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 561                      tp->last_tag << 24);
 562         mmiowb();
 563
 564         /* When doing tagged status, this work check is unnecessary.
 565          * The last_tag we write above tells the chip which piece of
 566          * work we've completed.
 567          */
 568         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 569             tg3_has_work(tp))
 570                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 571                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 572 }
 573
 574 static inline void tg3_netif_stop(struct tg3 *tp)
 575 {
 576         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 577         napi_disable(&tp->napi);
 578         netif_tx_disable(tp->dev);
 579 }
 580
 581 static inline void tg3_netif_start(struct tg3 *tp)
 582 {
 583         netif_wake_queue(tp->dev);
 584         /* NOTE: unconditional netif_wake_queue is only appropriate
 585          * so long as all callers are assured to have free tx slots
 586          * (such as after tg3_init_hw)
 587          */
 588         napi_enable(&tp->napi);
 589         tp->hw_status->status |= SD_STATUS_UPDATED;
 590         tg3_enable_ints(tp);
 591 }
 592
 593 static void tg3_switch_clocks(struct tg3 *tp)
 594 {
 595         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 596         u32 orig_clock_ctrl;
 597
 598         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 599                 return;
 600
 601         orig_clock_ctrl = clock_ctrl;
 602         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 603                        CLOCK_CTRL_CLKRUN_OENABLE |
 604                        0x1f);
 605         tp->pci_clock_ctrl = clock_ctrl;
 606
 607         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 608                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 609                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 610                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 611                 }
 612         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 613                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 614                             clock_ctrl |
 615                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 616                             40);
 617                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 618                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 619                             40);
 620         }
 621         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 622 }
 623
 624 #define PHY_BUSY_LOOPS  5000
 625
 626 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 627 {
 628         u32 frame_val;
 629         unsigned int loops;
 630         int ret;
 631
 632         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 633                 tw32_f(MAC_MI_MODE,
 634                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 635                 udelay(80);
 636         }
 637
 638         *val = 0x0;
 639
 640         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 641                       MI_COM_PHY_ADDR_MASK);
 642         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 643                       MI_COM_REG_ADDR_MASK);
 644         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 645
 646         tw32_f(MAC_MI_COM, frame_val);
 647
 648         loops = PHY_BUSY_LOOPS;
 649         while (loops != 0) {
 650                 udelay(10);
 651                 frame_val = tr32(MAC_MI_COM);
 652
 653                 if ((frame_val & MI_COM_BUSY) == 0) {
 654                         udelay(5);
 655                         frame_val = tr32(MAC_MI_COM);
 656                         break;
 657                 }
 658                 loops -= 1;
 659         }
 660
 661         ret = -EBUSY;
 662         if (loops != 0) {
 663                 *val = frame_val & MI_COM_DATA_MASK;
 664                 ret = 0;
 665         }
 666
 667         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 668                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 669                 udelay(80);
 670         }
 671
 672         return ret;
 673 }
 674
 675 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 676 {
 677         u32 frame_val;
 678         unsigned int loops;
 679         int ret;
 680
 681         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 682             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 683                 return 0;
 684
 685         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 686                 tw32_f(MAC_MI_MODE,
 687                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 688                 udelay(80);
 689         }
 690
 691         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 692                       MI_COM_PHY_ADDR_MASK);
 693         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 694                       MI_COM_REG_ADDR_MASK);
 695         frame_val |= (val & MI_COM_DATA_MASK);
 696         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 697
 698         tw32_f(MAC_MI_COM, frame_val);
 699
 700         loops = PHY_BUSY_LOOPS;
 701         while (loops != 0) {
 702                 udelay(10);
 703                 frame_val = tr32(MAC_MI_COM);
 704                 if ((frame_val & MI_COM_BUSY) == 0) {
 705                         udelay(5);
 706                         frame_val = tr32(MAC_MI_COM);
 707                         break;
 708                 }
 709                 loops -= 1;
 710         }
 711
 712         ret = -EBUSY;
 713         if (loops != 0)
 714                 ret = 0;
 715
 716         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 717                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 718                 udelay(80);
 719         }
 720
 721         return ret;
 722 }
 723
 724 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
 725 {
 726         u32 phy;
 727
 728         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
 729             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
 730                 return;
 731
 732         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
 733                 u32 ephy;
 734
 735                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
 736                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
 737                                      ephy | MII_TG3_EPHY_SHADOW_EN);
 738                         if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
 739                                 if (enable)
 740                                         phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
 741                                 else
 742                                         phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
 743                                 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
 744                         }
 745                         tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
 746                 }
 747         } else {
 748                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
 749                       MII_TG3_AUXCTL_SHDWSEL_MISC;
 750                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
 751                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
 752                         if (enable)
 753                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
 754                         else
 755                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
 756                         phy |= MII_TG3_AUXCTL_MISC_WREN;
 757                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
 758                 }
 759         }
 760 }
 761
 762 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 763 {
 764         u32 val;
 765
 766         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
 767                 return;
 768
 769         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
 770             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
 771                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
 772                              (val | (1 << 15) | (1 << 4)));
 773 }
 774
 775 static int tg3_bmcr_reset(struct tg3 *tp)
 776 {
 777         u32 phy_control;
 778         int limit, err;
 779
 780         /* OK, reset it, and poll the BMCR_RESET bit until it
 781          * clears or we time out.
 782          */
 783         phy_control = BMCR_RESET;
 784         err = tg3_writephy(tp, MII_BMCR, phy_control);
 785         if (err != 0)
 786                 return -EBUSY;
 787
 788         limit = 5000;
 789         while (limit--) {
 790                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 791                 if (err != 0)
 792                         return -EBUSY;
 793
 794                 if ((phy_control & BMCR_RESET) == 0) {
 795                         udelay(40);
 796                         break;
 797                 }
 798                 udelay(10);
 799         }
 800         if (limit <= 0)
 801                 return -EBUSY;
 802
 803         return 0;
 804 }
 805
 806 static int tg3_wait_macro_done(struct tg3 *tp)
 807 {
 808         int limit = 100;
 809
 810         while (limit--) {
 811                 u32 tmp32;
 812
 813                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
 814                         if ((tmp32 & 0x1000) == 0)
 815                                 break;
 816                 }
 817         }
 818         if (limit <= 0)
 819                 return -EBUSY;
 820
 821         return 0;
 822 }
 823
 824 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
 825 {
 826         static const u32 test_pat[4][6] = {
 827         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
 828         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
 829         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
 830         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
 831         };
 832         int chan;
 833
 834         for (chan = 0; chan < 4; chan++) {
 835                 int i;
 836
 837                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 838                              (chan * 0x2000) | 0x0200);
 839                 tg3_writephy(tp, 0x16, 0x0002);
 840
 841                 for (i = 0; i < 6; i++)
 842                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
 843                                      test_pat[chan][i]);
 844
 845                 tg3_writephy(tp, 0x16, 0x0202);
 846                 if (tg3_wait_macro_done(tp)) {
 847                         *resetp = 1;
 848                         return -EBUSY;
 849                 }
 850
 851                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 852                              (chan * 0x2000) | 0x0200);
 853                 tg3_writephy(tp, 0x16, 0x0082);
 854                 if (tg3_wait_macro_done(tp)) {
 855                         *resetp = 1;
 856                         return -EBUSY;
 857                 }
 858
 859                 tg3_writephy(tp, 0x16, 0x0802);
 860                 if (tg3_wait_macro_done(tp)) {
 861                         *resetp = 1;
 862                         return -EBUSY;
 863                 }
 864
 865                 for (i = 0; i < 6; i += 2) {
 866                         u32 low, high;
 867
 868                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
 869                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
 870                             tg3_wait_macro_done(tp)) {
 871                                 *resetp = 1;
 872                                 return -EBUSY;
 873                         }
 874                         low &= 0x7fff;
 875                         high &= 0x000f;
 876                         if (low != test_pat[chan][i] ||
 877                             high != test_pat[chan][i+1]) {
 878                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
 879                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
 880                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
 881
 882                                 return -EBUSY;
 883                         }
 884                 }
 885         }
 886
 887         return 0;
 888 }
 889
 890 static int tg3_phy_reset_chanpat(struct tg3 *tp)
 891 {
 892         int chan;
 893
 894         for (chan = 0; chan < 4; chan++) {
 895                 int i;
 896
 897                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 898                              (chan * 0x2000) | 0x0200);
 899                 tg3_writephy(tp, 0x16, 0x0002);
 900                 for (i = 0; i < 6; i++)
 901                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
 902                 tg3_writephy(tp, 0x16, 0x0202);
 903                 if (tg3_wait_macro_done(tp))
 904                         return -EBUSY;
 905         }
 906
 907         return 0;
 908 }
 909
 910 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 911 {
 912         u32 reg32, phy9_orig;
 913         int retries, do_phy_reset, err;
 914
 915         retries = 10;
 916         do_phy_reset = 1;
 917         do {
 918                 if (do_phy_reset) {
 919                         err = tg3_bmcr_reset(tp);
 920                         if (err)
 921                                 return err;
 922                         do_phy_reset = 0;
 923                 }
 924
 925                 /* Disable transmitter and interrupt.  */
 926                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
 927                         continue;
 928
 929                 reg32 |= 0x3000;
 930                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 931
 932                 /* Set full-duplex, 1000 mbps.  */
 933                 tg3_writephy(tp, MII_BMCR,
 934                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
 935
 936                 /* Set to master mode.  */
 937                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
 938                         continue;
 939
 940                 tg3_writephy(tp, MII_TG3_CTRL,
 941                              (MII_TG3_CTRL_AS_MASTER |
 942                               MII_TG3_CTRL_ENABLE_AS_MASTER));
 943
 944                 /* Enable SM_DSP_CLOCK and 6dB.  */
 945                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 946
 947                 /* Block the PHY control access.  */
 948                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 949                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
 950
 951                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
 952                 if (!err)
 953                         break;
 954         } while (--retries);
 955
 956         err = tg3_phy_reset_chanpat(tp);
 957         if (err)
 958                 return err;
 959
 960         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 961         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
 962
 963         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 964         tg3_writephy(tp, 0x16, 0x0000);
 965
 966         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 967             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 968                 /* Set Extended packet length bit for jumbo frames */
 969                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
 970         }
 971         else {
 972                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 973         }
 974
 975         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
 976
 977         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
 978                 reg32 &= ~0x3000;
 979                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 980         } else if (!err)
 981                 err = -EBUSY;
 982
 983         return err;
 984 }
 985
 986 static void tg3_link_report(struct tg3 *);
 987
 988 /* This will reset the tigon3 PHY if there is no valid
 989  * link unless the FORCE argument is non-zero.
 990  */
 991 static int tg3_phy_reset(struct tg3 *tp)
 992 {
 993         u32 phy_status;
 994         int err;
 995
 996         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
 997                 u32 val;
 998
 999                 val = tr32(GRC_MISC_CFG);
1000                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1001                 udelay(40);
1002         }
1003         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1004         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1005         if (err != 0)
1006                 return -EBUSY;
1007
1008         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1009                 netif_carrier_off(tp->dev);
1010                 tg3_link_report(tp);
1011         }
1012
1013         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1014             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1015             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1016                 err = tg3_phy_reset_5703_4_5(tp);
1017                 if (err)
1018                         return err;
1019                 goto out;
1020         }
1021
1022         err = tg3_bmcr_reset(tp);
1023         if (err)
1024                 return err;
1025
1026 out:
1027         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1028                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1029                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1030                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1031                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1032                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1033                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1034         }
1035         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1036                 tg3_writephy(tp, 0x1c, 0x8d68);
1037                 tg3_writephy(tp, 0x1c, 0x8d68);
1038         }
1039         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1040                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1041                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1042                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1043                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1044                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1045                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1046                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1047                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1048         }
1049         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1050                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1051                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1052                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1053                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1054                         tg3_writephy(tp, MII_TG3_TEST1,
1055                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1056                 } else
1057                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1058                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1059         }
1060         /* Set Extended packet length bit (bit 14) on all chips that */
1061         /* support jumbo frames */
1062         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1063                 /* Cannot do read-modify-write on 5401 */
1064                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1065         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1066                 u32 phy_reg;
1067
1068                 /* Set bit 14 with read-modify-write to preserve other bits */
1069                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1070                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1071                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1072         }
1073
1074         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1075          * jumbo frames transmission.
1076          */
1077         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1078                 u32 phy_reg;
1079
1080                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1081                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1082                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1083         }
1084
1085         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1086                 /* adjust output voltage */
1087                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1088         }
1089
1090         tg3_phy_toggle_automdix(tp, 1);
1091         tg3_phy_set_wirespeed(tp);
1092         return 0;
1093 }
1094
1095 static void tg3_frob_aux_power(struct tg3 *tp)
1096 {
1097         struct tg3 *tp_peer = tp;
1098
1099         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1100                 return;
1101
1102         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1103             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1104                 struct net_device *dev_peer;
1105
1106                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1107                 /* remove_one() may have been run on the peer. */
1108                 if (!dev_peer)
1109                         tp_peer = tp;
1110                 else
1111                         tp_peer = netdev_priv(dev_peer);
1112         }
1113
1114         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1115             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1116             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1117             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1118                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1119                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1120                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1121                                     (GRC_LCLCTRL_GPIO_OE0 |
1122                                      GRC_LCLCTRL_GPIO_OE1 |
1123                                      GRC_LCLCTRL_GPIO_OE2 |
1124                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1125                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1126                                     100);
1127                 } else {
1128                         u32 no_gpio2;
1129                         u32 grc_local_ctrl = 0;
1130
1131                         if (tp_peer != tp &&
1132                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1133                                 return;
1134
1135                         /* Workaround to prevent overdrawing Amps. */
1136                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1137                             ASIC_REV_5714) {
1138                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1139                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1140                                             grc_local_ctrl, 100);
1141                         }
1142
1143                         /* On 5753 and variants, GPIO2 cannot be used. */
1144                         no_gpio2 = tp->nic_sram_data_cfg &
1145                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1146
1147                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1148                                          GRC_LCLCTRL_GPIO_OE1 |
1149                                          GRC_LCLCTRL_GPIO_OE2 |
1150                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1151                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1152                         if (no_gpio2) {
1153                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1154                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1155                         }
1156                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1157                                                     grc_local_ctrl, 100);
1158
1159                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1160
1161                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1162                                                     grc_local_ctrl, 100);
1163
1164                         if (!no_gpio2) {
1165                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1166                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1167                                             grc_local_ctrl, 100);
1168                         }
1169                 }
1170         } else {
1171                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1172                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1173                         if (tp_peer != tp &&
1174                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1175                                 return;
1176
1177                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1178                                     (GRC_LCLCTRL_GPIO_OE1 |
1179                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1180
1181                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1182                                     GRC_LCLCTRL_GPIO_OE1, 100);
1183
1184                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1185                                     (GRC_LCLCTRL_GPIO_OE1 |
1186                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1187                 }
1188         }
1189 }
1190
1191 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
1192 {
1193         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
1194                 return 1;
1195         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
1196                 if (speed != SPEED_10)
1197                         return 1;
1198         } else if (speed == SPEED_10)
1199                 return 1;
1200
1201         return 0;
1202 }
1203
1204 static int tg3_setup_phy(struct tg3 *, int);
1205
1206 #define RESET_KIND_SHUTDOWN     0
1207 #define RESET_KIND_INIT         1
1208 #define RESET_KIND_SUSPEND      2
1209
1210 static void tg3_write_sig_post_reset(struct tg3 *, int);
1211 static int tg3_halt_cpu(struct tg3 *, u32);
1212 static int tg3_nvram_lock(struct tg3 *);
1213 static void tg3_nvram_unlock(struct tg3 *);
1214
1215 static void tg3_power_down_phy(struct tg3 *tp)
1216 {
1217         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1218                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1219                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1220                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1221
1222                         sg_dig_ctrl |=
1223                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1224                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
1225                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1226                 }
1227                 return;
1228         }
1229
1230         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1231                 u32 val;
1232
1233                 tg3_bmcr_reset(tp);
1234                 val = tr32(GRC_MISC_CFG);
1235                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1236                 udelay(40);
1237                 return;
1238         } else {
1239                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1240                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1241                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1242         }
1243
1244         /* The PHY should not be powered down on some chips because
1245          * of bugs.
1246          */
1247         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1248             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1249             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1250              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1251                 return;
1252         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1253 }
1254
1255 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1256 {
1257         u32 misc_host_ctrl;
1258         u16 power_control, power_caps;
1259         int pm = tp->pm_cap;
1260
1261         /* Make sure register accesses (indirect or otherwise)
1262          * will function correctly.
1263          */
1264         pci_write_config_dword(tp->pdev,
1265                                TG3PCI_MISC_HOST_CTRL,
1266                                tp->misc_host_ctrl);
1267
1268         pci_read_config_word(tp->pdev,
1269                              pm + PCI_PM_CTRL,
1270                              &power_control);
1271         power_control |= PCI_PM_CTRL_PME_STATUS;
1272         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1273         switch (state) {
1274         case PCI_D0:
1275                 power_control |= 0;
1276                 pci_write_config_word(tp->pdev,
1277                                       pm + PCI_PM_CTRL,
1278                                       power_control);
1279                 udelay(100);    /* Delay after power state change */
1280
1281                 /* Switch out of Vaux if it is a NIC */
1282                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
1283                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1284
1285                 return 0;
1286
1287         case PCI_D1:
1288                 power_control |= 1;
1289                 break;
1290
1291         case PCI_D2:
1292                 power_control |= 2;
1293                 break;
1294
1295         case PCI_D3hot:
1296                 power_control |= 3;
1297                 break;
1298
1299         default:
1300                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1301                        "requested.\n",
1302                        tp->dev->name, state);
1303                 return -EINVAL;
1304         };
1305
1306         power_control |= PCI_PM_CTRL_PME_ENABLE;
1307
1308         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1309         tw32(TG3PCI_MISC_HOST_CTRL,
1310              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1311
1312         if (tp->link_config.phy_is_low_power == 0) {
1313                 tp->link_config.phy_is_low_power = 1;
1314                 tp->link_config.orig_speed = tp->link_config.speed;
1315                 tp->link_config.orig_duplex = tp->link_config.duplex;
1316                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1317         }
1318
1319         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1320                 tp->link_config.speed = SPEED_10;
1321                 tp->link_config.duplex = DUPLEX_HALF;
1322                 tp->link_config.autoneg = AUTONEG_ENABLE;
1323                 tg3_setup_phy(tp, 0);
1324         }
1325
1326         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1327                 u32 val;
1328
1329                 val = tr32(GRC_VCPU_EXT_CTRL);
1330                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1331         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1332                 int i;
1333                 u32 val;
1334
1335                 for (i = 0; i < 200; i++) {
1336                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1337                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1338                                 break;
1339                         msleep(1);
1340                 }
1341         }
1342         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
1343                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1344                                                      WOL_DRV_STATE_SHUTDOWN |
1345                                                      WOL_DRV_WOL |
1346                                                      WOL_SET_MAGIC_PKT);
1347
1348         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1349
1350         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1351                 u32 mac_mode;
1352
1353                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1354                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1355                         udelay(40);
1356
1357                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1358                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1359                         else
1360                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1361
1362                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
1363                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1364                             ASIC_REV_5700) {
1365                                 u32 speed = (tp->tg3_flags &
1366                                              TG3_FLAG_WOL_SPEED_100MB) ?
1367                                              SPEED_100 : SPEED_10;
1368                                 if (tg3_5700_link_polarity(tp, speed))
1369                                         mac_mode |= MAC_MODE_LINK_POLARITY;
1370                                 else
1371                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
1372                         }
1373                 } else {
1374                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1375                 }
1376
1377                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1378                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1379
1380                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1381                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1382                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1383
1384                 tw32_f(MAC_MODE, mac_mode);
1385                 udelay(100);
1386
1387                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1388                 udelay(10);
1389         }
1390
1391         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1392             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1393              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1394                 u32 base_val;
1395
1396                 base_val = tp->pci_clock_ctrl;
1397                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1398                              CLOCK_CTRL_TXCLK_DISABLE);
1399
1400                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1401                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1402         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1403                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
1404                 /* do nothing */
1405         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1406                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1407                 u32 newbits1, newbits2;
1408
1409                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1410                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1411                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1412                                     CLOCK_CTRL_TXCLK_DISABLE |
1413                                     CLOCK_CTRL_ALTCLK);
1414                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1415                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1416                         newbits1 = CLOCK_CTRL_625_CORE;
1417                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1418                 } else {
1419                         newbits1 = CLOCK_CTRL_ALTCLK;
1420                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1421                 }
1422
1423                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1424                             40);
1425
1426                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1427                             40);
1428
1429                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1430                         u32 newbits3;
1431
1432                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1433                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1434                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1435                                             CLOCK_CTRL_TXCLK_DISABLE |
1436                                             CLOCK_CTRL_44MHZ_CORE);
1437                         } else {
1438                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1439                         }
1440
1441                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1442                                     tp->pci_clock_ctrl | newbits3, 40);
1443                 }
1444         }
1445
1446         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1447             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1448                 tg3_power_down_phy(tp);
1449
1450         tg3_frob_aux_power(tp);
1451
1452         /* Workaround for unstable PLL clock */
1453         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1454             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1455                 u32 val = tr32(0x7d00);
1456
1457                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1458                 tw32(0x7d00, val);
1459                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1460                         int err;
1461
1462                         err = tg3_nvram_lock(tp);
1463                         tg3_halt_cpu(tp, RX_CPU_BASE);
1464                         if (!err)
1465                                 tg3_nvram_unlock(tp);
1466                 }
1467         }
1468
1469         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1470
1471         /* Finally, set the new power state. */
1472         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1473         udelay(100);    /* Delay after power state change */
1474
1475         return 0;
1476 }
1477
1478 static void tg3_link_report(struct tg3 *tp)
1479 {
1480         if (!netif_carrier_ok(tp->dev)) {
1481                 if (netif_msg_link(tp))
1482                         printk(KERN_INFO PFX "%s: Link is down.\n",
1483                                tp->dev->name);
1484         } else if (netif_msg_link(tp)) {
1485                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1486                        tp->dev->name,
1487                        (tp->link_config.active_speed == SPEED_1000 ?
1488                         1000 :
1489                         (tp->link_config.active_speed == SPEED_100 ?
1490                          100 : 10)),
1491                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1492                         "full" : "half"));
1493
1494                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1495                        "%s for RX.\n",
1496                        tp->dev->name,
1497                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1498                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1499         }
1500 }
1501
1502 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1503 {
1504         u32 new_tg3_flags = 0;
1505         u32 old_rx_mode = tp->rx_mode;
1506         u32 old_tx_mode = tp->tx_mode;
1507
1508         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1509
1510                 /* Convert 1000BaseX flow control bits to 1000BaseT
1511                  * bits before resolving flow control.
1512                  */
1513                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1514                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1515                                        ADVERTISE_PAUSE_ASYM);
1516                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1517
1518                         if (local_adv & ADVERTISE_1000XPAUSE)
1519                                 local_adv |= ADVERTISE_PAUSE_CAP;
1520                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1521                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1522                         if (remote_adv & LPA_1000XPAUSE)
1523                                 remote_adv |= LPA_PAUSE_CAP;
1524                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1525                                 remote_adv |= LPA_PAUSE_ASYM;
1526                 }
1527
1528                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1529                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1530                                 if (remote_adv & LPA_PAUSE_CAP)
1531                                         new_tg3_flags |=
1532                                                 (TG3_FLAG_RX_PAUSE |
1533                                                 TG3_FLAG_TX_PAUSE);
1534                                 else if (remote_adv & LPA_PAUSE_ASYM)
1535                                         new_tg3_flags |=
1536                                                 (TG3_FLAG_RX_PAUSE);
1537                         } else {
1538                                 if (remote_adv & LPA_PAUSE_CAP)
1539                                         new_tg3_flags |=
1540                                                 (TG3_FLAG_RX_PAUSE |
1541                                                 TG3_FLAG_TX_PAUSE);
1542                         }
1543                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1544                         if ((remote_adv & LPA_PAUSE_CAP) &&
1545                         (remote_adv & LPA_PAUSE_ASYM))
1546                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1547                 }
1548
1549                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1550                 tp->tg3_flags |= new_tg3_flags;
1551         } else {
1552                 new_tg3_flags = tp->tg3_flags;
1553         }
1554
1555         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1556                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1557         else
1558                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1559
1560         if (old_rx_mode != tp->rx_mode) {
1561                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1562         }
1563
1564         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1565                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1566         else
1567                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1568
1569         if (old_tx_mode != tp->tx_mode) {
1570                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1571         }
1572 }
1573
1574 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1575 {
1576         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1577         case MII_TG3_AUX_STAT_10HALF:
1578                 *speed = SPEED_10;
1579                 *duplex = DUPLEX_HALF;
1580                 break;
1581
1582         case MII_TG3_AUX_STAT_10FULL:
1583                 *speed = SPEED_10;
1584                 *duplex = DUPLEX_FULL;
1585                 break;
1586
1587         case MII_TG3_AUX_STAT_100HALF:
1588                 *speed = SPEED_100;
1589                 *duplex = DUPLEX_HALF;
1590                 break;
1591
1592         case MII_TG3_AUX_STAT_100FULL:
1593                 *speed = SPEED_100;
1594                 *duplex = DUPLEX_FULL;
1595                 break;
1596
1597         case MII_TG3_AUX_STAT_1000HALF:
1598                 *speed = SPEED_1000;
1599                 *duplex = DUPLEX_HALF;
1600                 break;
1601
1602         case MII_TG3_AUX_STAT_1000FULL:
1603                 *speed = SPEED_1000;
1604                 *duplex = DUPLEX_FULL;
1605                 break;
1606
1607         default:
1608                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1609                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1610                                  SPEED_10;
1611                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1612                                   DUPLEX_HALF;
1613                         break;
1614                 }
1615                 *speed = SPEED_INVALID;
1616                 *duplex = DUPLEX_INVALID;
1617                 break;
1618         };
1619 }
1620
1621 static void tg3_phy_copper_begin(struct tg3 *tp)
1622 {
1623         u32 new_adv;
1624         int i;
1625
1626         if (tp->link_config.phy_is_low_power) {
1627                 /* Entering low power mode.  Disable gigabit and
1628                  * 100baseT advertisements.
1629                  */
1630                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1631
1632                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1633                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1634                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1635                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1636
1637                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1638         } else if (tp->link_config.speed == SPEED_INVALID) {
1639                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1640                         tp->link_config.advertising &=
1641                                 ~(ADVERTISED_1000baseT_Half |
1642                                   ADVERTISED_1000baseT_Full);
1643
1644                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1645                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1646                         new_adv |= ADVERTISE_10HALF;
1647                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1648                         new_adv |= ADVERTISE_10FULL;
1649                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1650                         new_adv |= ADVERTISE_100HALF;
1651                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1652                         new_adv |= ADVERTISE_100FULL;
1653                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1654
1655                 if (tp->link_config.advertising &
1656                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1657                         new_adv = 0;
1658                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1659                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1660                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1661                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1662                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1663                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1664                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1665                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1666                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1667                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1668                 } else {
1669                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1670                 }
1671         } else {
1672                 /* Asking for a specific link mode. */
1673                 if (tp->link_config.speed == SPEED_1000) {
1674                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1675                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1676
1677                         if (tp->link_config.duplex == DUPLEX_FULL)
1678                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1679                         else
1680                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1681                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1682                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1683                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1684                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1685                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1686                 } else {
1687                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1688
1689                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1690                         if (tp->link_config.speed == SPEED_100) {
1691                                 if (tp->link_config.duplex == DUPLEX_FULL)
1692                                         new_adv |= ADVERTISE_100FULL;
1693                                 else
1694                                         new_adv |= ADVERTISE_100HALF;
1695                         } else {
1696                                 if (tp->link_config.duplex == DUPLEX_FULL)
1697                                         new_adv |= ADVERTISE_10FULL;
1698                                 else
1699                                         new_adv |= ADVERTISE_10HALF;
1700                         }
1701                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1702                 }
1703         }
1704
1705         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1706             tp->link_config.speed != SPEED_INVALID) {
1707                 u32 bmcr, orig_bmcr;
1708
1709                 tp->link_config.active_speed = tp->link_config.speed;
1710                 tp->link_config.active_duplex = tp->link_config.duplex;
1711
1712                 bmcr = 0;
1713                 switch (tp->link_config.speed) {
1714                 default:
1715                 case SPEED_10:
1716                         break;
1717
1718                 case SPEED_100:
1719                         bmcr |= BMCR_SPEED100;
1720                         break;
1721
1722                 case SPEED_1000:
1723                         bmcr |= TG3_BMCR_SPEED1000;
1724                         break;
1725                 };
1726
1727                 if (tp->link_config.duplex == DUPLEX_FULL)
1728                         bmcr |= BMCR_FULLDPLX;
1729
1730                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1731                     (bmcr != orig_bmcr)) {
1732                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1733                         for (i = 0; i < 1500; i++) {
1734                                 u32 tmp;
1735
1736                                 udelay(10);
1737                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1738                                     tg3_readphy(tp, MII_BMSR, &tmp))
1739                                         continue;
1740                                 if (!(tmp & BMSR_LSTATUS)) {
1741                                         udelay(40);
1742                                         break;
1743                                 }
1744                         }
1745                         tg3_writephy(tp, MII_BMCR, bmcr);
1746                         udelay(40);
1747                 }
1748         } else {
1749                 tg3_writephy(tp, MII_BMCR,
1750                              BMCR_ANENABLE | BMCR_ANRESTART);
1751         }
1752 }
1753
1754 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1755 {
1756         int err;
1757
1758         /* Turn off tap power management. */
1759         /* Set Extended packet length bit */
1760         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1761
1762         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1763         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1764
1765         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1766         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1767
1768         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1769         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1770
1771         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1772         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1773
1774         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1775         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1776
1777         udelay(40);
1778
1779         return err;
1780 }
1781
1782 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1783 {
1784         u32 adv_reg, all_mask = 0;
1785
1786         if (mask & ADVERTISED_10baseT_Half)
1787                 all_mask |= ADVERTISE_10HALF;
1788         if (mask & ADVERTISED_10baseT_Full)
1789                 all_mask |= ADVERTISE_10FULL;
1790         if (mask & ADVERTISED_100baseT_Half)
1791                 all_mask |= ADVERTISE_100HALF;
1792         if (mask & ADVERTISED_100baseT_Full)
1793                 all_mask |= ADVERTISE_100FULL;
1794
1795         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1796                 return 0;
1797
1798         if ((adv_reg & all_mask) != all_mask)
1799                 return 0;
1800         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1801                 u32 tg3_ctrl;
1802
1803                 all_mask = 0;
1804                 if (mask & ADVERTISED_1000baseT_Half)
1805                         all_mask |= ADVERTISE_1000HALF;
1806                 if (mask & ADVERTISED_1000baseT_Full)
1807                         all_mask |= ADVERTISE_1000FULL;
1808
1809                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1810                         return 0;
1811
1812                 if ((tg3_ctrl & all_mask) != all_mask)
1813                         return 0;
1814         }
1815         return 1;
1816 }
1817
1818 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1819 {
1820         int current_link_up;
1821         u32 bmsr, dummy;
1822         u16 current_speed;
1823         u8 current_duplex;
1824         int i, err;
1825
1826         tw32(MAC_EVENT, 0);
1827
1828         tw32_f(MAC_STATUS,
1829              (MAC_STATUS_SYNC_CHANGED |
1830               MAC_STATUS_CFG_CHANGED |
1831               MAC_STATUS_MI_COMPLETION |
1832               MAC_STATUS_LNKSTATE_CHANGED));
1833         udelay(40);
1834
1835         tp->mi_mode = MAC_MI_MODE_BASE;
1836         tw32_f(MAC_MI_MODE, tp->mi_mode);
1837         udelay(80);
1838
1839         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1840
1841         /* Some third-party PHYs need to be reset on link going
1842          * down.
1843          */
1844         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1845              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1846              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1847             netif_carrier_ok(tp->dev)) {
1848                 tg3_readphy(tp, MII_BMSR, &bmsr);
1849                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850                     !(bmsr & BMSR_LSTATUS))
1851                         force_reset = 1;
1852         }
1853         if (force_reset)
1854                 tg3_phy_reset(tp);
1855
1856         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1857                 tg3_readphy(tp, MII_BMSR, &bmsr);
1858                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1859                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1860                         bmsr = 0;
1861
1862                 if (!(bmsr & BMSR_LSTATUS)) {
1863                         err = tg3_init_5401phy_dsp(tp);
1864                         if (err)
1865                                 return err;
1866
1867                         tg3_readphy(tp, MII_BMSR, &bmsr);
1868                         for (i = 0; i < 1000; i++) {
1869                                 udelay(10);
1870                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1871                                     (bmsr & BMSR_LSTATUS)) {
1872                                         udelay(40);
1873                                         break;
1874                                 }
1875                         }
1876
1877                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1878                             !(bmsr & BMSR_LSTATUS) &&
1879                             tp->link_config.active_speed == SPEED_1000) {
1880                                 err = tg3_phy_reset(tp);
1881                                 if (!err)
1882                                         err = tg3_init_5401phy_dsp(tp);
1883                                 if (err)
1884                                         return err;
1885                         }
1886                 }
1887         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1888                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1889                 /* 5701 {A0,B0} CRC bug workaround */
1890                 tg3_writephy(tp, 0x15, 0x0a75);
1891                 tg3_writephy(tp, 0x1c, 0x8c68);
1892                 tg3_writephy(tp, 0x1c, 0x8d68);
1893                 tg3_writephy(tp, 0x1c, 0x8c68);
1894         }
1895
1896         /* Clear pending interrupts... */
1897         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1898         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1899
1900         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1901                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1902         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1903                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1904
1905         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1906             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1907                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1908                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1909                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1910                 else
1911                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1912         }
1913
1914         current_link_up = 0;
1915         current_speed = SPEED_INVALID;
1916         current_duplex = DUPLEX_INVALID;
1917
1918         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1919                 u32 val;
1920
1921                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1922                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1923                 if (!(val & (1 << 10))) {
1924                         val |= (1 << 10);
1925                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1926                         goto relink;
1927                 }
1928         }
1929
1930         bmsr = 0;
1931         for (i = 0; i < 100; i++) {
1932                 tg3_readphy(tp, MII_BMSR, &bmsr);
1933                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1934                     (bmsr & BMSR_LSTATUS))
1935                         break;
1936                 udelay(40);
1937         }
1938
1939         if (bmsr & BMSR_LSTATUS) {
1940                 u32 aux_stat, bmcr;
1941
1942                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1943                 for (i = 0; i < 2000; i++) {
1944                         udelay(10);
1945                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1946                             aux_stat)
1947                                 break;
1948                 }
1949
1950                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1951                                              &current_speed,
1952                                              &current_duplex);
1953
1954                 bmcr = 0;
1955                 for (i = 0; i < 200; i++) {
1956                         tg3_readphy(tp, MII_BMCR, &bmcr);
1957                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1958                                 continue;
1959                         if (bmcr && bmcr != 0x7fff)
1960                                 break;
1961                         udelay(10);
1962                 }
1963
1964                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1965                         if (bmcr & BMCR_ANENABLE) {
1966                                 current_link_up = 1;
1967
1968                                 /* Force autoneg restart if we are exiting
1969                                  * low power mode.
1970                                  */
1971                                 if (!tg3_copper_is_advertising_all(tp,
1972                                                 tp->link_config.advertising))
1973                                         current_link_up = 0;
1974                         } else {
1975                                 current_link_up = 0;
1976                         }
1977                 } else {
1978                         if (!(bmcr & BMCR_ANENABLE) &&
1979                             tp->link_config.speed == current_speed &&
1980                             tp->link_config.duplex == current_duplex) {
1981                                 current_link_up = 1;
1982                         } else {
1983                                 current_link_up = 0;
1984                         }
1985                 }
1986
1987                 tp->link_config.active_speed = current_speed;
1988                 tp->link_config.active_duplex = current_duplex;
1989         }
1990
1991         if (current_link_up == 1 &&
1992             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1993             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1994                 u32 local_adv, remote_adv;
1995
1996                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1997                         local_adv = 0;
1998                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1999
2000                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
2001                         remote_adv = 0;
2002
2003                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
2004
2005                 /* If we are not advertising full pause capability,
2006                  * something is wrong.  Bring the link down and reconfigure.
2007                  */
2008                 if (local_adv != ADVERTISE_PAUSE_CAP) {
2009                         current_link_up = 0;
2010                 } else {
2011                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2012                 }
2013         }
2014 relink:
2015         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
2016                 u32 tmp;
2017
2018                 tg3_phy_copper_begin(tp);
2019
2020                 tg3_readphy(tp, MII_BMSR, &tmp);
2021                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
2022                     (tmp & BMSR_LSTATUS))
2023                         current_link_up = 1;
2024         }
2025
2026         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
2027         if (current_link_up == 1) {
2028                 if (tp->link_config.active_speed == SPEED_100 ||
2029                     tp->link_config.active_speed == SPEED_10)
2030                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
2031                 else
2032                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2033         } else
2034                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2035
2036         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2037         if (tp->link_config.active_duplex == DUPLEX_HALF)
2038                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2039
2040         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
2041                 if (current_link_up == 1 &&
2042                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
2043                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
2044                 else
2045                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2046         }
2047
2048         /* ??? Without this setting Netgear GA302T PHY does not
2049          * ??? send/receive packets...
2050          */
2051         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2052             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2053                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2054                 tw32_f(MAC_MI_MODE, tp->mi_mode);
2055                 udelay(80);
2056         }
2057
2058         tw32_f(MAC_MODE, tp->mac_mode);
2059         udelay(40);
2060
2061         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2062                 /* Polled via timer. */
2063                 tw32_f(MAC_EVENT, 0);
2064         } else {
2065                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2066         }
2067         udelay(40);
2068
2069         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2070             current_link_up == 1 &&
2071             tp->link_config.active_speed == SPEED_1000 &&
2072             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2073              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2074                 udelay(120);
2075                 tw32_f(MAC_STATUS,
2076                      (MAC_STATUS_SYNC_CHANGED |
2077                       MAC_STATUS_CFG_CHANGED));
2078                 udelay(40);
2079                 tg3_write_mem(tp,
2080                               NIC_SRAM_FIRMWARE_MBOX,
2081                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2082         }
2083
2084         if (current_link_up != netif_carrier_ok(tp->dev)) {
2085                 if (current_link_up)
2086                         netif_carrier_on(tp->dev);
2087                 else
2088                         netif_carrier_off(tp->dev);
2089                 tg3_link_report(tp);
2090         }
2091
2092         return 0;
2093 }
2094
2095 struct tg3_fiber_aneginfo {
2096         int state;
2097 #define ANEG_STATE_UNKNOWN              0
2098 #define ANEG_STATE_AN_ENABLE            1
2099 #define ANEG_STATE_RESTART_INIT         2
2100 #define ANEG_STATE_RESTART              3
2101 #define ANEG_STATE_DISABLE_LINK_OK      4
2102 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2103 #define ANEG_STATE_ABILITY_DETECT       6
2104 #define ANEG_STATE_ACK_DETECT_INIT      7
2105 #define ANEG_STATE_ACK_DETECT           8
2106 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2107 #define ANEG_STATE_COMPLETE_ACK         10
2108 #define ANEG_STATE_IDLE_DETECT_INIT     11
2109 #define ANEG_STATE_IDLE_DETECT          12
2110 #define ANEG_STATE_LINK_OK              13
2111 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2112 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2113
2114         u32 flags;
2115 #define MR_AN_ENABLE            0x00000001
2116 #define MR_RESTART_AN           0x00000002
2117 #define MR_AN_COMPLETE          0x00000004
2118 #define MR_PAGE_RX              0x00000008
2119 #define MR_NP_LOADED            0x00000010
2120 #define MR_TOGGLE_TX            0x00000020
2121 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2122 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2123 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2124 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2125 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2126 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2127 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2128 #define MR_TOGGLE_RX            0x00002000
2129 #define MR_NP_RX                0x00004000
2130
2131 #define MR_LINK_OK              0x80000000
2132
2133         unsigned long link_time, cur_time;
2134
2135         u32 ability_match_cfg;
2136         int ability_match_count;
2137
2138         char ability_match, idle_match, ack_match;
2139
2140         u32 txconfig, rxconfig;
2141 #define ANEG_CFG_NP             0x00000080
2142 #define ANEG_CFG_ACK            0x00000040
2143 #define ANEG_CFG_RF2            0x00000020
2144 #define ANEG_CFG_RF1            0x00000010
2145 #define ANEG_CFG_PS2            0x00000001
2146 #define ANEG_CFG_PS1            0x00008000
2147 #define ANEG_CFG_HD             0x00004000
2148 #define ANEG_CFG_FD             0x00002000
2149 #define ANEG_CFG_INVAL          0x00001f06
2150
2151 };
2152 #define ANEG_OK         0
2153 #define ANEG_DONE       1
2154 #define ANEG_TIMER_ENAB 2
2155 #define ANEG_FAILED     -1
2156
2157 #define ANEG_STATE_SETTLE_TIME  10000
2158
2159 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2160                                    struct tg3_fiber_aneginfo *ap)
2161 {
2162         unsigned long delta;
2163         u32 rx_cfg_reg;
2164         int ret;
2165
2166         if (ap->state == ANEG_STATE_UNKNOWN) {
2167                 ap->rxconfig = 0;
2168                 ap->link_time = 0;
2169                 ap->cur_time = 0;
2170                 ap->ability_match_cfg = 0;
2171                 ap->ability_match_count = 0;
2172                 ap->ability_match = 0;
2173                 ap->idle_match = 0;
2174                 ap->ack_match = 0;
2175         }
2176         ap->cur_time++;
2177
2178         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2179                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2180
2181                 if (rx_cfg_reg != ap->ability_match_cfg) {
2182                         ap->ability_match_cfg = rx_cfg_reg;
2183                         ap->ability_match = 0;
2184                         ap->ability_match_count = 0;
2185                 } else {
2186                         if (++ap->ability_match_count > 1) {
2187                                 ap->ability_match = 1;
2188                                 ap->ability_match_cfg = rx_cfg_reg;
2189                         }
2190                 }
2191                 if (rx_cfg_reg & ANEG_CFG_ACK)
2192                         ap->ack_match = 1;
2193                 else
2194                         ap->ack_match = 0;
2195
2196                 ap->idle_match = 0;
2197         } else {
2198                 ap->idle_match = 1;
2199                 ap->ability_match_cfg = 0;
2200                 ap->ability_match_count = 0;
2201                 ap->ability_match = 0;
2202                 ap->ack_match = 0;
2203
2204                 rx_cfg_reg = 0;
2205         }
2206
2207         ap->rxconfig = rx_cfg_reg;
2208         ret = ANEG_OK;
2209
2210         switch(ap->state) {
2211         case ANEG_STATE_UNKNOWN:
2212                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2213                         ap->state = ANEG_STATE_AN_ENABLE;
2214
2215                 /* fallthru */
2216         case ANEG_STATE_AN_ENABLE:
2217                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2218                 if (ap->flags & MR_AN_ENABLE) {
2219                         ap->link_time = 0;
2220                         ap->cur_time = 0;
2221                         ap->ability_match_cfg = 0;
2222                         ap->ability_match_count = 0;
2223                         ap->ability_match = 0;
2224                         ap->idle_match = 0;
2225                         ap->ack_match = 0;
2226
2227                         ap->state = ANEG_STATE_RESTART_INIT;
2228                 } else {
2229                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2230                 }
2231                 break;
2232
2233         case ANEG_STATE_RESTART_INIT:
2234                 ap->link_time = ap->cur_time;
2235                 ap->flags &= ~(MR_NP_LOADED);
2236                 ap->txconfig = 0;
2237                 tw32(MAC_TX_AUTO_NEG, 0);
2238                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2239                 tw32_f(MAC_MODE, tp->mac_mode);
2240                 udelay(40);
2241
2242                 ret = ANEG_TIMER_ENAB;
2243                 ap->state = ANEG_STATE_RESTART;
2244
2245                 /* fallthru */
2246         case ANEG_STATE_RESTART:
2247                 delta = ap->cur_time - ap->link_time;
2248                 if (delta > ANEG_STATE_SETTLE_TIME) {
2249                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2250                 } else {
2251                         ret = ANEG_TIMER_ENAB;
2252                 }
2253                 break;
2254
2255         case ANEG_STATE_DISABLE_LINK_OK:
2256                 ret = ANEG_DONE;
2257                 break;
2258
2259         case ANEG_STATE_ABILITY_DETECT_INIT:
2260                 ap->flags &= ~(MR_TOGGLE_TX);
2261                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2262                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2263                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2264                 tw32_f(MAC_MODE, tp->mac_mode);
2265                 udelay(40);
2266
2267                 ap->state = ANEG_STATE_ABILITY_DETECT;
2268                 break;
2269
2270         case ANEG_STATE_ABILITY_DETECT:
2271                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2272                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2273                 }
2274                 break;
2275
2276         case ANEG_STATE_ACK_DETECT_INIT:
2277                 ap->txconfig |= ANEG_CFG_ACK;
2278                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2279                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2280                 tw32_f(MAC_MODE, tp->mac_mode);
2281                 udelay(40);
2282
2283                 ap->state = ANEG_STATE_ACK_DETECT;
2284
2285                 /* fallthru */
2286         case ANEG_STATE_ACK_DETECT:
2287                 if (ap->ack_match != 0) {
2288                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2289                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2290                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2291                         } else {
2292                                 ap->state = ANEG_STATE_AN_ENABLE;
2293                         }
2294                 } else if (ap->ability_match != 0 &&
2295                            ap->rxconfig == 0) {
2296                         ap->state = ANEG_STATE_AN_ENABLE;
2297                 }
2298                 break;
2299
2300         case ANEG_STATE_COMPLETE_ACK_INIT:
2301                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2302                         ret = ANEG_FAILED;
2303                         break;
2304                 }
2305                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2306                                MR_LP_ADV_HALF_DUPLEX |
2307                                MR_LP_ADV_SYM_PAUSE |
2308                                MR_LP_ADV_ASYM_PAUSE |
2309                                MR_LP_ADV_REMOTE_FAULT1 |
2310                                MR_LP_ADV_REMOTE_FAULT2 |
2311                                MR_LP_ADV_NEXT_PAGE |
2312                                MR_TOGGLE_RX |
2313                                MR_NP_RX);
2314                 if (ap->rxconfig & ANEG_CFG_FD)
2315                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2316                 if (ap->rxconfig & ANEG_CFG_HD)
2317                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2318                 if (ap->rxconfig & ANEG_CFG_PS1)
2319                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2320                 if (ap->rxconfig & ANEG_CFG_PS2)
2321                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2322                 if (ap->rxconfig & ANEG_CFG_RF1)
2323                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2324                 if (ap->rxconfig & ANEG_CFG_RF2)
2325                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2326                 if (ap->rxconfig & ANEG_CFG_NP)
2327                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2328
2329                 ap->link_time = ap->cur_time;
2330
2331                 ap->flags ^= (MR_TOGGLE_TX);
2332                 if (ap->rxconfig & 0x0008)
2333                         ap->flags |= MR_TOGGLE_RX;
2334                 if (ap->rxconfig & ANEG_CFG_NP)
2335                         ap->flags |= MR_NP_RX;
2336                 ap->flags |= MR_PAGE_RX;
2337
2338                 ap->state = ANEG_STATE_COMPLETE_ACK;
2339                 ret = ANEG_TIMER_ENAB;
2340                 break;
2341
2342         case ANEG_STATE_COMPLETE_ACK:
2343                 if (ap->ability_match != 0 &&
2344                     ap->rxconfig == 0) {
2345                         ap->state = ANEG_STATE_AN_ENABLE;
2346                         break;
2347                 }
2348                 delta = ap->cur_time - ap->link_time;
2349                 if (delta > ANEG_STATE_SETTLE_TIME) {
2350                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2351                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2352                         } else {
2353                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2354                                     !(ap->flags & MR_NP_RX)) {
2355                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2356                                 } else {
2357                                         ret = ANEG_FAILED;
2358                                 }
2359                         }
2360                 }
2361                 break;
2362
2363         case ANEG_STATE_IDLE_DETECT_INIT:
2364                 ap->link_time = ap->cur_time;
2365                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2366                 tw32_f(MAC_MODE, tp->mac_mode);
2367                 udelay(40);
2368
2369                 ap->state = ANEG_STATE_IDLE_DETECT;
2370                 ret = ANEG_TIMER_ENAB;
2371                 break;
2372
2373         case ANEG_STATE_IDLE_DETECT:
2374                 if (ap->ability_match != 0 &&
2375                     ap->rxconfig == 0) {
2376                         ap->state = ANEG_STATE_AN_ENABLE;
2377                         break;
2378                 }
2379                 delta = ap->cur_time - ap->link_time;
2380                 if (delta > ANEG_STATE_SETTLE_TIME) {
2381                         /* XXX another gem from the Broadcom driver :( */
2382                         ap->state = ANEG_STATE_LINK_OK;
2383                 }
2384                 break;
2385
2386         case ANEG_STATE_LINK_OK:
2387                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2388                 ret = ANEG_DONE;
2389                 break;
2390
2391         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2392                 /* ??? unimplemented */
2393                 break;
2394
2395         case ANEG_STATE_NEXT_PAGE_WAIT:
2396                 /* ??? unimplemented */
2397                 break;
2398
2399         default:
2400                 ret = ANEG_FAILED;
2401                 break;
2402         };
2403
2404         return ret;
2405 }
2406
2407 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2408 {
2409         int res = 0;
2410         struct tg3_fiber_aneginfo aninfo;
2411         int status = ANEG_FAILED;
2412         unsigned int tick;
2413         u32 tmp;
2414
2415         tw32_f(MAC_TX_AUTO_NEG, 0);
2416
2417         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2418         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2419         udelay(40);
2420
2421         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2422         udelay(40);
2423
2424         memset(&aninfo, 0, sizeof(aninfo));
2425         aninfo.flags |= MR_AN_ENABLE;
2426         aninfo.state = ANEG_STATE_UNKNOWN;
2427         aninfo.cur_time = 0;
2428         tick = 0;
2429         while (++tick < 195000) {
2430                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2431                 if (status == ANEG_DONE || status == ANEG_FAILED)
2432                         break;
2433
2434                 udelay(1);
2435         }
2436
2437         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2438         tw32_f(MAC_MODE, tp->mac_mode);
2439         udelay(40);
2440
2441         *flags = aninfo.flags;
2442
2443         if (status == ANEG_DONE &&
2444             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2445                              MR_LP_ADV_FULL_DUPLEX)))
2446                 res = 1;
2447
2448         return res;
2449 }
2450
2451 static void tg3_init_bcm8002(struct tg3 *tp)
2452 {
2453         u32 mac_status = tr32(MAC_STATUS);
2454         int i;
2455
2456         /* Reset when initting first time or we have a link. */
2457         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2458             !(mac_status & MAC_STATUS_PCS_SYNCED))
2459                 return;
2460
2461         /* Set PLL lock range. */
2462         tg3_writephy(tp, 0x16, 0x8007);
2463
2464         /* SW reset */
2465         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2466
2467         /* Wait for reset to complete. */
2468         /* XXX schedule_timeout() ... */
2469         for (i = 0; i < 500; i++)
2470                 udelay(10);
2471
2472         /* Config mode; select PMA/Ch 1 regs. */
2473         tg3_writephy(tp, 0x10, 0x8411);
2474
2475         /* Enable auto-lock and comdet, select txclk for tx. */
2476         tg3_writephy(tp, 0x11, 0x0a10);
2477
2478         tg3_writephy(tp, 0x18, 0x00a0);
2479         tg3_writephy(tp, 0x16, 0x41ff);
2480
2481         /* Assert and deassert POR. */
2482         tg3_writephy(tp, 0x13, 0x0400);
2483         udelay(40);
2484         tg3_writephy(tp, 0x13, 0x0000);
2485
2486         tg3_writephy(tp, 0x11, 0x0a50);
2487         udelay(40);
2488         tg3_writephy(tp, 0x11, 0x0a10);
2489
2490         /* Wait for signal to stabilize */
2491         /* XXX schedule_timeout() ... */
2492         for (i = 0; i < 15000; i++)
2493                 udelay(10);
2494
2495         /* Deselect the channel register so we can read the PHYID
2496          * later.
2497          */
2498         tg3_writephy(tp, 0x10, 0x8011);
2499 }
2500
2501 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2502 {
2503         u32 sg_dig_ctrl, sg_dig_status;
2504         u32 serdes_cfg, expected_sg_dig_ctrl;
2505         int workaround, port_a;
2506         int current_link_up;
2507
2508         serdes_cfg = 0;
2509         expected_sg_dig_ctrl = 0;
2510         workaround = 0;
2511         port_a = 1;
2512         current_link_up = 0;
2513
2514         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2515             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2516                 workaround = 1;
2517                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2518                         port_a = 0;
2519
2520                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2521                 /* preserve bits 20-23 for voltage regulator */
2522                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2523         }
2524
2525         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2526
2527         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2528                 if (sg_dig_ctrl & (1 << 31)) {
2529                         if (workaround) {
2530                                 u32 val = serdes_cfg;
2531
2532                                 if (port_a)
2533                                         val |= 0xc010000;
2534                                 else
2535                                         val |= 0x4010000;
2536                                 tw32_f(MAC_SERDES_CFG, val);
2537                         }
2538                         tw32_f(SG_DIG_CTRL, 0x01388400);
2539                 }
2540                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2541                         tg3_setup_flow_control(tp, 0, 0);
2542                         current_link_up = 1;
2543                 }
2544                 goto out;
2545         }
2546
2547         /* Want auto-negotiation.  */
2548         expected_sg_dig_ctrl = 0x81388400;
2549
2550         /* Pause capability */
2551         expected_sg_dig_ctrl |= (1 << 11);
2552
2553         /* Asymettric pause */
2554         expected_sg_dig_ctrl |= (1 << 12);
2555
2556         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2557                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2558                     tp->serdes_counter &&
2559                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2560                                     MAC_STATUS_RCVD_CFG)) ==
2561                      MAC_STATUS_PCS_SYNCED)) {
2562                         tp->serdes_counter--;
2563                         current_link_up = 1;
2564                         goto out;
2565                 }
2566 restart_autoneg:
2567                 if (workaround)
2568                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2569                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2570                 udelay(5);
2571                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2572
2573                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2574                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2575         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2576                                  MAC_STATUS_SIGNAL_DET)) {
2577                 sg_dig_status = tr32(SG_DIG_STATUS);
2578                 mac_status = tr32(MAC_STATUS);
2579
2580                 if ((sg_dig_status & (1 << 1)) &&
2581                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2582                         u32 local_adv, remote_adv;
2583
2584                         local_adv = ADVERTISE_PAUSE_CAP;
2585                         remote_adv = 0;
2586                         if (sg_dig_status & (1 << 19))
2587                                 remote_adv |= LPA_PAUSE_CAP;
2588                         if (sg_dig_status & (1 << 20))
2589                                 remote_adv |= LPA_PAUSE_ASYM;
2590
2591                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2592                         current_link_up = 1;
2593                         tp->serdes_counter = 0;
2594                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2595                 } else if (!(sg_dig_status & (1 << 1))) {
2596                         if (tp->serdes_counter)
2597                                 tp->serdes_counter--;
2598                         else {
2599                                 if (workaround) {
2600                                         u32 val = serdes_cfg;
2601
2602                                         if (port_a)
2603                                                 val |= 0xc010000;
2604                                         else
2605                                                 val |= 0x4010000;
2606
2607                                         tw32_f(MAC_SERDES_CFG, val);
2608                                 }
2609
2610                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2611                                 udelay(40);
2612
2613                                 /* Link parallel detection - link is up */
2614                                 /* only if we have PCS_SYNC and not */
2615                                 /* receiving config code words */
2616                                 mac_status = tr32(MAC_STATUS);
2617                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2618                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2619                                         tg3_setup_flow_control(tp, 0, 0);
2620                                         current_link_up = 1;
2621                                         tp->tg3_flags2 |=
2622                                                 TG3_FLG2_PARALLEL_DETECT;
2623                                         tp->serdes_counter =
2624                                                 SERDES_PARALLEL_DET_TIMEOUT;
2625                                 } else
2626                                         goto restart_autoneg;
2627                         }
2628                 }
2629         } else {
2630                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2631                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2632         }
2633
2634 out:
2635         return current_link_up;
2636 }
2637
2638 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2639 {
2640         int current_link_up = 0;
2641
2642         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
2643                 goto out;
2644
2645         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2646                 u32 flags;
2647                 int i;
2648
2649                 if (fiber_autoneg(tp, &flags)) {
2650                         u32 local_adv, remote_adv;
2651
2652                         local_adv = ADVERTISE_PAUSE_CAP;
2653                         remote_adv = 0;
2654                         if (flags & MR_LP_ADV_SYM_PAUSE)
2655                                 remote_adv |= LPA_PAUSE_CAP;
2656                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2657                                 remote_adv |= LPA_PAUSE_ASYM;
2658
2659                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2660
2661                         current_link_up = 1;
2662                 }
2663                 for (i = 0; i < 30; i++) {
2664                         udelay(20);
2665                         tw32_f(MAC_STATUS,
2666                                (MAC_STATUS_SYNC_CHANGED |
2667                                 MAC_STATUS_CFG_CHANGED));
2668                         udelay(40);
2669                         if ((tr32(MAC_STATUS) &
2670                              (MAC_STATUS_SYNC_CHANGED |
2671                               MAC_STATUS_CFG_CHANGED)) == 0)
2672                                 break;
2673                 }
2674
2675                 mac_status = tr32(MAC_STATUS);
2676                 if (current_link_up == 0 &&
2677                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2678                     !(mac_status & MAC_STATUS_RCVD_CFG))
2679                         current_link_up = 1;
2680         } else {
2681                 /* Forcing 1000FD link up. */
2682                 current_link_up = 1;
2683
2684                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2685                 udelay(40);
2686
2687                 tw32_f(MAC_MODE, tp->mac_mode);
2688                 udelay(40);
2689         }
2690
2691 out:
2692         return current_link_up;
2693 }
2694
2695 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2696 {
2697         u32 orig_pause_cfg;
2698         u16 orig_active_speed;
2699         u8 orig_active_duplex;
2700         u32 mac_status;
2701         int current_link_up;
2702         int i;
2703
2704         orig_pause_cfg =
2705                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2706                                   TG3_FLAG_TX_PAUSE));
2707         orig_active_speed = tp->link_config.active_speed;
2708         orig_active_duplex = tp->link_config.active_duplex;
2709
2710         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2711             netif_carrier_ok(tp->dev) &&
2712             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2713                 mac_status = tr32(MAC_STATUS);
2714                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2715                                MAC_STATUS_SIGNAL_DET |
2716                                MAC_STATUS_CFG_CHANGED |
2717                                MAC_STATUS_RCVD_CFG);
2718                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2719                                    MAC_STATUS_SIGNAL_DET)) {
2720                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2721                                             MAC_STATUS_CFG_CHANGED));
2722                         return 0;
2723                 }
2724         }
2725
2726         tw32_f(MAC_TX_AUTO_NEG, 0);
2727
2728         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2729         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2730         tw32_f(MAC_MODE, tp->mac_mode);
2731         udelay(40);
2732
2733         if (tp->phy_id == PHY_ID_BCM8002)
2734                 tg3_init_bcm8002(tp);
2735
2736         /* Enable link change event even when serdes polling.  */
2737         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2738         udelay(40);
2739
2740         current_link_up = 0;
2741         mac_status = tr32(MAC_STATUS);
2742
2743         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2744                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2745         else
2746                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2747
2748         tp->hw_status->status =
2749                 (SD_STATUS_UPDATED |
2750                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2751
2752         for (i = 0; i < 100; i++) {
2753                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2754                                     MAC_STATUS_CFG_CHANGED));
2755                 udelay(5);
2756                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2757                                          MAC_STATUS_CFG_CHANGED |
2758                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2759                         break;
2760         }
2761
2762         mac_status = tr32(MAC_STATUS);
2763         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2764                 current_link_up = 0;
2765                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2766                     tp->serdes_counter == 0) {
2767                         tw32_f(MAC_MODE, (tp->mac_mode |
2768                                           MAC_MODE_SEND_CONFIGS));
2769                         udelay(1);
2770                         tw32_f(MAC_MODE, tp->mac_mode);
2771                 }
2772         }
2773
2774         if (current_link_up == 1) {
2775                 tp->link_config.active_speed = SPEED_1000;
2776                 tp->link_config.active_duplex = DUPLEX_FULL;
2777                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2778                                     LED_CTRL_LNKLED_OVERRIDE |
2779                                     LED_CTRL_1000MBPS_ON));
2780         } else {
2781                 tp->link_config.active_speed = SPEED_INVALID;
2782                 tp->link_config.active_duplex = DUPLEX_INVALID;
2783                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2784                                     LED_CTRL_LNKLED_OVERRIDE |
2785                                     LED_CTRL_TRAFFIC_OVERRIDE));
2786         }
2787
2788         if (current_link_up != netif_carrier_ok(tp->dev)) {
2789                 if (current_link_up)
2790                         netif_carrier_on(tp->dev);
2791                 else
2792                         netif_carrier_off(tp->dev);
2793                 tg3_link_report(tp);
2794         } else {
2795                 u32 now_pause_cfg =
2796                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2797                                          TG3_FLAG_TX_PAUSE);
2798                 if (orig_pause_cfg != now_pause_cfg ||
2799                     orig_active_speed != tp->link_config.active_speed ||
2800                     orig_active_duplex != tp->link_config.active_duplex)
2801                         tg3_link_report(tp);
2802         }
2803
2804         return 0;
2805 }
2806
2807 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2808 {
2809         int current_link_up, err = 0;
2810         u32 bmsr, bmcr;
2811         u16 current_speed;
2812         u8 current_duplex;
2813
2814         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2815         tw32_f(MAC_MODE, tp->mac_mode);
2816         udelay(40);
2817
2818         tw32(MAC_EVENT, 0);
2819
2820         tw32_f(MAC_STATUS,
2821              (MAC_STATUS_SYNC_CHANGED |
2822               MAC_STATUS_CFG_CHANGED |
2823               MAC_STATUS_MI_COMPLETION |
2824               MAC_STATUS_LNKSTATE_CHANGED));
2825         udelay(40);
2826
2827         if (force_reset)
2828                 tg3_phy_reset(tp);
2829
2830         current_link_up = 0;
2831         current_speed = SPEED_INVALID;
2832         current_duplex = DUPLEX_INVALID;
2833
2834         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2835         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2836         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2837                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2838                         bmsr |= BMSR_LSTATUS;
2839                 else
2840                         bmsr &= ~BMSR_LSTATUS;
2841         }
2842
2843         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2844
2845         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2846             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2847                 /* do nothing, just check for link up at the end */
2848         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2849                 u32 adv, new_adv;
2850
2851                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2852                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2853                                   ADVERTISE_1000XPAUSE |
2854                                   ADVERTISE_1000XPSE_ASYM |
2855                                   ADVERTISE_SLCT);
2856
2857                 /* Always advertise symmetric PAUSE just like copper */
2858                 new_adv |= ADVERTISE_1000XPAUSE;
2859
2860                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2861                         new_adv |= ADVERTISE_1000XHALF;
2862                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2863                         new_adv |= ADVERTISE_1000XFULL;
2864
2865                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2866                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2867                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2868                         tg3_writephy(tp, MII_BMCR, bmcr);
2869
2870                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2871                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2872                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2873
2874                         return err;
2875                 }
2876         } else {
2877                 u32 new_bmcr;
2878
2879                 bmcr &= ~BMCR_SPEED1000;
2880                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2881
2882                 if (tp->link_config.duplex == DUPLEX_FULL)
2883                         new_bmcr |= BMCR_FULLDPLX;
2884
2885                 if (new_bmcr != bmcr) {
2886                         /* BMCR_SPEED1000 is a reserved bit that needs
2887                          * to be set on write.
2888                          */
2889                         new_bmcr |= BMCR_SPEED1000;
2890
2891                         /* Force a linkdown */
2892                         if (netif_carrier_ok(tp->dev)) {
2893                                 u32 adv;
2894
2895                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2896                                 adv &= ~(ADVERTISE_1000XFULL |
2897                                          ADVERTISE_1000XHALF |
2898                                          ADVERTISE_SLCT);
2899                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2900                                 tg3_writephy(tp, MII_BMCR, bmcr |
2901                                                            BMCR_ANRESTART |
2902                                                            BMCR_ANENABLE);
2903                                 udelay(10);
2904                                 netif_carrier_off(tp->dev);
2905                         }
2906                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2907                         bmcr = new_bmcr;
2908                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2909                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2910                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2911                             ASIC_REV_5714) {
2912                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2913                                         bmsr |= BMSR_LSTATUS;
2914                                 else
2915                                         bmsr &= ~BMSR_LSTATUS;
2916                         }
2917                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2918                 }
2919         }
2920
2921         if (bmsr & BMSR_LSTATUS) {
2922                 current_speed = SPEED_1000;
2923                 current_link_up = 1;
2924                 if (bmcr & BMCR_FULLDPLX)
2925                         current_duplex = DUPLEX_FULL;
2926                 else
2927                         current_duplex = DUPLEX_HALF;
2928
2929                 if (bmcr & BMCR_ANENABLE) {
2930                         u32 local_adv, remote_adv, common;
2931
2932                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2933                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2934                         common = local_adv & remote_adv;
2935                         if (common & (ADVERTISE_1000XHALF |
2936                                       ADVERTISE_1000XFULL)) {
2937                                 if (common & ADVERTISE_1000XFULL)
2938                                         current_duplex = DUPLEX_FULL;
2939                                 else
2940                                         current_duplex = DUPLEX_HALF;
2941
2942                                 tg3_setup_flow_control(tp, local_adv,
2943                                                        remote_adv);
2944                         }
2945                         else
2946                                 current_link_up = 0;
2947                 }
2948         }
2949
2950         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2951         if (tp->link_config.active_duplex == DUPLEX_HALF)
2952                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2953
2954         tw32_f(MAC_MODE, tp->mac_mode);
2955         udelay(40);
2956
2957         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2958
2959         tp->link_config.active_speed = current_speed;
2960         tp->link_config.active_duplex = current_duplex;
2961
2962         if (current_link_up != netif_carrier_ok(tp->dev)) {
2963                 if (current_link_up)
2964                         netif_carrier_on(tp->dev);
2965                 else {
2966                         netif_carrier_off(tp->dev);
2967                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2968                 }
2969                 tg3_link_report(tp);
2970         }
2971         return err;
2972 }
2973
2974 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2975 {
2976         if (tp->serdes_counter) {
2977                 /* Give autoneg time to complete. */
2978                 tp->serdes_counter--;
2979                 return;
2980         }
2981         if (!netif_carrier_ok(tp->dev) &&
2982             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2983                 u32 bmcr;
2984
2985                 tg3_readphy(tp, MII_BMCR, &bmcr);
2986                 if (bmcr & BMCR_ANENABLE) {
2987                         u32 phy1, phy2;
2988
2989                         /* Select shadow register 0x1f */
2990                         tg3_writephy(tp, 0x1c, 0x7c00);
2991                         tg3_readphy(tp, 0x1c, &phy1);
2992
2993                         /* Select expansion interrupt status register */
2994                         tg3_writephy(tp, 0x17, 0x0f01);
2995                         tg3_readphy(tp, 0x15, &phy2);
2996                         tg3_readphy(tp, 0x15, &phy2);
2997
2998                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2999                                 /* We have signal detect and not receiving
3000                                  * config code words, link is up by parallel
3001                                  * detection.
3002                                  */
3003
3004                                 bmcr &= ~BMCR_ANENABLE;
3005                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
3006                                 tg3_writephy(tp, MII_BMCR, bmcr);
3007                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
3008                         }
3009                 }
3010         }
3011         else if (netif_carrier_ok(tp->dev) &&
3012                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
3013                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3014                 u32 phy2;
3015
3016                 /* Select expansion interrupt status register */
3017                 tg3_writephy(tp, 0x17, 0x0f01);
3018                 tg3_readphy(tp, 0x15, &phy2);
3019                 if (phy2 & 0x20) {
3020                         u32 bmcr;
3021
3022                         /* Config code words received, turn on autoneg. */
3023                         tg3_readphy(tp, MII_BMCR, &bmcr);
3024                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
3025
3026                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3027
3028                 }
3029         }
3030 }
3031
3032 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
3033 {
3034         int err;
3035
3036         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
3037                 err = tg3_setup_fiber_phy(tp, force_reset);
3038         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
3039                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
3040         } else {
3041                 err = tg3_setup_copper_phy(tp, force_reset);
3042         }
3043
3044         if (tp->link_config.active_speed == SPEED_1000 &&
3045             tp->link_config.active_duplex == DUPLEX_HALF)
3046                 tw32(MAC_TX_LENGTHS,
3047                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3048                       (6 << TX_LENGTHS_IPG_SHIFT) |
3049                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3050         else
3051                 tw32(MAC_TX_LENGTHS,
3052                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3053                       (6 << TX_LENGTHS_IPG_SHIFT) |
3054                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3055
3056         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3057                 if (netif_carrier_ok(tp->dev)) {
3058                         tw32(HOSTCC_STAT_COAL_TICKS,
3059                              tp->coal.stats_block_coalesce_usecs);
3060                 } else {
3061                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
3062                 }
3063         }
3064
3065         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
3066                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
3067                 if (!netif_carrier_ok(tp->dev))
3068                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
3069                               tp->pwrmgmt_thresh;
3070                 else
3071                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
3072                 tw32(PCIE_PWR_MGMT_THRESH, val);
3073         }
3074
3075         return err;
3076 }
3077
3078 /* This is called whenever we suspect that the system chipset is re-
3079  * ordering the sequence of MMIO to the tx send mailbox. The symptom
3080  * is bogus tx completions. We try to recover by setting the
3081  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3082  * in the workqueue.
3083  */
3084 static void tg3_tx_recover(struct tg3 *tp)
3085 {
3086         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3087                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3088
3089         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3090                "mapped I/O cycles to the network device, attempting to "
3091                "recover. Please report the problem to the driver maintainer "
3092                "and include system chipset information.\n", tp->dev->name);
3093
3094         spin_lock(&tp->lock);
3095         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3096         spin_unlock(&tp->lock);
3097 }
3098
3099 static inline u32 tg3_tx_avail(struct tg3 *tp)
3100 {
3101         smp_mb();
3102         return (tp->tx_pending -
3103                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3104 }
3105
3106 /* Tigon3 never reports partial packet sends.  So we do not
3107  * need special logic to handle SKBs that have not had all
3108  * of their frags sent yet, like SunGEM does.
3109  */
3110 static void tg3_tx(struct tg3 *tp)
3111 {
3112         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3113         u32 sw_idx = tp->tx_cons;
3114
3115         while (sw_idx != hw_idx) {
3116                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3117                 struct sk_buff *skb = ri->skb;
3118                 int i, tx_bug = 0;
3119
3120                 if (unlikely(skb == NULL)) {
3121                         tg3_tx_recover(tp);
3122                         return;
3123                 }
3124
3125                 pci_unmap_single(tp->pdev,
3126                                  pci_unmap_addr(ri, mapping),
3127                                  skb_headlen(skb),
3128                                  PCI_DMA_TODEVICE);
3129
3130                 ri->skb = NULL;
3131
3132                 sw_idx = NEXT_TX(sw_idx);
3133
3134                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3135                         ri = &tp->tx_buffers[sw_idx];
3136                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3137                                 tx_bug = 1;
3138
3139                         pci_unmap_page(tp->pdev,
3140                                        pci_unmap_addr(ri, mapping),
3141                                        skb_shinfo(skb)->frags[i].size,
3142                                        PCI_DMA_TODEVICE);
3143
3144                         sw_idx = NEXT_TX(sw_idx);
3145                 }
3146
3147                 dev_kfree_skb(skb);
3148
3149                 if (unlikely(tx_bug)) {
3150                         tg3_tx_recover(tp);
3151                         return;
3152                 }
3153         }
3154
3155         tp->tx_cons = sw_idx;
3156
3157         /* Need to make the tx_cons update visible to tg3_start_xmit()
3158          * before checking for netif_queue_stopped().  Without the
3159          * memory barrier, there is a small possibility that tg3_start_xmit()
3160          * will miss it and cause the queue to be stopped forever.
3161          */
3162         smp_mb();
3163
3164         if (unlikely(netif_queue_stopped(tp->dev) &&
3165                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
3166                 netif_tx_lock(tp->dev);
3167                 if (netif_queue_stopped(tp->dev) &&
3168                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
3169                         netif_wake_queue(tp->dev);
3170                 netif_tx_unlock(tp->dev);
3171         }
3172 }
3173
3174 /* Returns size of skb allocated or < 0 on error.
3175  *
3176  * We only need to fill in the address because the other members
3177  * of the RX descriptor are invariant, see tg3_init_rings.
3178  *
3179  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3180  * posting buffers we only dirty the first cache line of the RX
3181  * descriptor (containing the address).  Whereas for the RX status
3182  * buffers the cpu only reads the last cacheline of the RX descriptor
3183  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3184  */
3185 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3186                             int src_idx, u32 dest_idx_unmasked)
3187 {
3188         struct tg3_rx_buffer_desc *desc;
3189         struct ring_info *map, *src_map;
3190         struct sk_buff *skb;
3191         dma_addr_t mapping;
3192         int skb_size, dest_idx;
3193
3194         src_map = NULL;
3195         switch (opaque_key) {
3196         case RXD_OPAQUE_RING_STD:
3197                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3198                 desc = &tp->rx_std[dest_idx];
3199                 map = &tp->rx_std_buffers[dest_idx];
3200                 if (src_idx >= 0)
3201                         src_map = &tp->rx_std_buffers[src_idx];
3202                 skb_size = tp->rx_pkt_buf_sz;
3203                 break;
3204
3205         case RXD_OPAQUE_RING_JUMBO:
3206                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3207                 desc = &tp->rx_jumbo[dest_idx];
3208                 map = &tp->rx_jumbo_buffers[dest_idx];
3209                 if (src_idx >= 0)
3210                         src_map = &tp->rx_jumbo_buffers[src_idx];
3211                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3212                 break;
3213
3214         default:
3215                 return -EINVAL;
3216         };
3217
3218         /* Do not overwrite any of the map or rp information
3219          * until we are sure we can commit to a new buffer.
3220          *
3221          * Callers depend upon this behavior and assume that
3222          * we leave everything unchanged if we fail.
3223          */
3224         skb = netdev_alloc_skb(tp->dev, skb_size);
3225         if (skb == NULL)
3226                 return -ENOMEM;
3227
3228         skb_reserve(skb, tp->rx_offset);
3229
3230         mapping = pci_map_single(tp->pdev, skb->data,
3231                                  skb_size - tp->rx_offset,
3232                                  PCI_DMA_FROMDEVICE);
3233
3234         map->skb = skb;
3235         pci_unmap_addr_set(map, mapping, mapping);
3236
3237         if (src_map != NULL)
3238                 src_map->skb = NULL;
3239
3240         desc->addr_hi = ((u64)mapping >> 32);
3241         desc->addr_lo = ((u64)mapping & 0xffffffff);
3242
3243         return skb_size;
3244 }
3245
3246 /* We only need to move over in the address because the other
3247  * members of the RX descriptor are invariant.  See notes above
3248  * tg3_alloc_rx_skb for full details.
3249  */
3250 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3251                            int src_idx, u32 dest_idx_unmasked)
3252 {
3253         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3254         struct ring_info *src_map, *dest_map;
3255         int dest_idx;
3256
3257         switch (opaque_key) {
3258         case RXD_OPAQUE_RING_STD:
3259                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3260                 dest_desc = &tp->rx_std[dest_idx];
3261                 dest_map = &tp->rx_std_buffers[dest_idx];
3262                 src_desc = &tp->rx_std[src_idx];
3263                 src_map = &tp->rx_std_buffers[src_idx];
3264                 break;
3265
3266         case RXD_OPAQUE_RING_JUMBO:
3267                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3268                 dest_desc = &tp->rx_jumbo[dest_idx];
3269                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3270                 src_desc = &tp->rx_jumbo[src_idx];
3271                 src_map = &tp->rx_jumbo_buffers[src_idx];
3272                 break;
3273
3274         default:
3275                 return;
3276         };
3277
3278         dest_map->skb = src_map->skb;
3279         pci_unmap_addr_set(dest_map, mapping,
3280                            pci_unmap_addr(src_map, mapping));
3281         dest_desc->addr_hi = src_desc->addr_hi;
3282         dest_desc->addr_lo = src_desc->addr_lo;
3283
3284         src_map->skb = NULL;
3285 }
3286
3287 #if TG3_VLAN_TAG_USED
3288 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3289 {
3290         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3291 }
3292 #endif
3293
3294 /* The RX ring scheme is composed of multiple rings which post fresh
3295  * buffers to the chip, and one special ring the chip uses to report
3296  * status back to the host.
3297  *
3298  * The special ring reports the status of received packets to the
3299  * host.  The chip does not write into the original descriptor the
3300  * RX buffer was obtained from.  The chip simply takes the original
3301  * descriptor as provided by the host, updates the status and length
3302  * field, then writes this into the next status ring entry.
3303  *
3304  * Each ring the host uses to post buffers to the chip is described
3305  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3306  * it is first placed into the on-chip ram.  When the packet's length
3307  * is known, it walks down the TG3_BDINFO entries to select the ring.
3308  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3309  * which is within the range of the new packet's length is chosen.
3310  *
3311  * The "separate ring for rx status" scheme may sound queer, but it makes
3312  * sense from a cache coherency perspective.  If only the host writes
3313  * to the buffer post rings, and only the chip writes to the rx status
3314  * rings, then cache lines never move beyond shared-modified state.
3315  * If both the host and chip were to write into the same ring, cache line
3316  * eviction could occur since both entities want it in an exclusive state.
3317  */
3318 static int tg3_rx(struct tg3 *tp, int budget)
3319 {
3320         u32 work_mask, rx_std_posted = 0;
3321         u32 sw_idx = tp->rx_rcb_ptr;
3322         u16 hw_idx;
3323         int received;
3324
3325         hw_idx = tp->hw_status->idx[0].rx_producer;
3326         /*
3327          * We need to order the read of hw_idx and the read of
3328          * the opaque cookie.
3329          */
3330         rmb();
3331         work_mask = 0;
3332         received = 0;
3333         while (sw_idx != hw_idx && budget > 0) {
3334                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3335                 unsigned int len;
3336                 struct sk_buff *skb;
3337                 dma_addr_t dma_addr;
3338                 u32 opaque_key, desc_idx, *post_ptr;
3339
3340                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3341                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3342                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3343                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3344                                                   mapping);
3345                         skb = tp->rx_std_buffers[desc_idx].skb;
3346                         post_ptr = &tp->rx_std_ptr;
3347                         rx_std_posted++;
3348                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3349                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3350                                                   mapping);
3351                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3352                         post_ptr = &tp->rx_jumbo_ptr;
3353                 }
3354                 else {
3355                         goto next_pkt_nopost;
3356                 }
3357
3358                 work_mask |= opaque_key;
3359
3360                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3361                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3362                 drop_it:
3363                         tg3_recycle_rx(tp, opaque_key,
3364                                        desc_idx, *post_ptr);
3365                 drop_it_no_recycle:
3366                         /* Other statistics kept track of by card. */
3367                         tp->net_stats.rx_dropped++;
3368                         goto next_pkt;
3369                 }
3370
3371                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3372
3373                 if (len > RX_COPY_THRESHOLD
3374                         && tp->rx_offset == 2
3375                         /* rx_offset != 2 iff this is a 5701 card running
3376                          * in PCI-X mode [see tg3_get_invariants()] */
3377                 ) {
3378                         int skb_size;
3379
3380                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3381                                                     desc_idx, *post_ptr);
3382                         if (skb_size < 0)
3383                                 goto drop_it;
3384
3385                         pci_unmap_single(tp->pdev, dma_addr,
3386                                          skb_size - tp->rx_offset,
3387                                          PCI_DMA_FROMDEVICE);
3388
3389                         skb_put(skb, len);
3390                 } else {
3391                         struct sk_buff *copy_skb;
3392
3393                         tg3_recycle_rx(tp, opaque_key,
3394                                        desc_idx, *post_ptr);
3395
3396                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3397                         if (copy_skb == NULL)
3398                                 goto drop_it_no_recycle;
3399
3400                         skb_reserve(copy_skb, 2);
3401                         skb_put(copy_skb, len);
3402                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3403                         skb_copy_from_linear_data(skb, copy_skb->data, len);
3404                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3405
3406                         /* We'll reuse the original ring buffer. */
3407                         skb = copy_skb;
3408                 }
3409
3410                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3411                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3412                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3413                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3414                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3415                 else
3416                         skb->ip_summed = CHECKSUM_NONE;
3417
3418                 skb->protocol = eth_type_trans(skb, tp->dev);
3419 #if TG3_VLAN_TAG_USED
3420                 if (tp->vlgrp != NULL &&
3421                     desc->type_flags & RXD_FLAG_VLAN) {
3422                         tg3_vlan_rx(tp, skb,
3423                                     desc->err_vlan & RXD_VLAN_MASK);
3424                 } else
3425 #endif
3426                         netif_receive_skb(skb);
3427
3428                 tp->dev->last_rx = jiffies;
3429                 received++;
3430                 budget--;
3431
3432 next_pkt:
3433                 (*post_ptr)++;
3434
3435                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3436                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3437
3438                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3439                                      TG3_64BIT_REG_LOW, idx);
3440                         work_mask &= ~RXD_OPAQUE_RING_STD;
3441                         rx_std_posted = 0;
3442                 }
3443 next_pkt_nopost:
3444                 sw_idx++;
3445                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
3446
3447                 /* Refresh hw_idx to see if there is new work */
3448                 if (sw_idx == hw_idx) {
3449                         hw_idx = tp->hw_status->idx[0].rx_producer;
3450                         rmb();
3451                 }
3452         }
3453
3454         /* ACK the status ring. */
3455         tp->rx_rcb_ptr = sw_idx;
3456         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3457
3458         /* Refill RX ring(s). */
3459         if (work_mask & RXD_OPAQUE_RING_STD) {
3460                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3461                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3462                              sw_idx);
3463         }
3464         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3465                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3466                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3467                              sw_idx);
3468         }
3469         mmiowb();
3470
3471         return received;
3472 }
3473
3474 static int tg3_poll(struct napi_struct *napi, int budget)
3475 {
3476         struct tg3 *tp = container_of(napi, struct tg3, napi);
3477         struct net_device *netdev = tp->dev;
3478         struct tg3_hw_status *sblk = tp->hw_status;
3479         int work_done = 0;
3480
3481         /* handle link change and other phy events */
3482         if (!(tp->tg3_flags &
3483               (TG3_FLAG_USE_LINKCHG_REG |
3484                TG3_FLAG_POLL_SERDES))) {
3485                 if (sblk->status & SD_STATUS_LINK_CHG) {
3486                         sblk->status = SD_STATUS_UPDATED |
3487                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3488                         spin_lock(&tp->lock);
3489                         tg3_setup_phy(tp, 0);
3490                         spin_unlock(&tp->lock);
3491                 }
3492         }
3493
3494         /* run TX completion thread */
3495         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3496                 tg3_tx(tp);
3497                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3498                         netif_rx_complete(netdev, napi);
3499                         schedule_work(&tp->reset_task);
3500                         return 0;
3501                 }
3502         }
3503
3504         /* run RX thread, within the bounds set by NAPI.
3505          * All RX "locking" is done by ensuring outside
3506          * code synchronizes with tg3->napi.poll()
3507          */
3508         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
3509                 work_done = tg3_rx(tp, budget);
3510
3511         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3512                 tp->last_tag = sblk->status_tag;
3513                 rmb();
3514         } else
3515                 sblk->status &= ~SD_STATUS_UPDATED;
3516
3517         /* if no more work, tell net stack and NIC we're done */
3518         if (!tg3_has_work(tp)) {
3519                 netif_rx_complete(netdev, napi);
3520                 tg3_restart_ints(tp);
3521         }
3522
3523         return work_done;
3524 }
3525
3526 static void tg3_irq_quiesce(struct tg3 *tp)
3527 {
3528         BUG_ON(tp->irq_sync);
3529
3530         tp->irq_sync = 1;
3531         smp_mb();
3532
3533         synchronize_irq(tp->pdev->irq);
3534 }
3535
3536 static inline int tg3_irq_sync(struct tg3 *tp)
3537 {
3538         return tp->irq_sync;
3539 }
3540
3541 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3542  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3543  * with as well.  Most of the time, this is not necessary except when
3544  * shutting down the device.
3545  */
3546 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3547 {
3548         spin_lock_bh(&tp->lock);
3549         if (irq_sync)
3550                 tg3_irq_quiesce(tp);
3551 }
3552
3553 static inline void tg3_full_unlock(struct tg3 *tp)
3554 {
3555         spin_unlock_bh(&tp->lock);
3556 }
3557
3558 /* One-shot MSI handler - Chip automatically disables interrupt
3559  * after sending MSI so driver doesn't have to do it.
3560  */
3561 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3562 {
3563         struct net_device *dev = dev_id;
3564         struct tg3 *tp = netdev_priv(dev);
3565
3566         prefetch(tp->hw_status);
3567         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3568
3569         if (likely(!tg3_irq_sync(tp)))
3570                 netif_rx_schedule(dev, &tp->napi);
3571
3572         return IRQ_HANDLED;
3573 }
3574
3575 /* MSI ISR - No need to check for interrupt sharing and no need to
3576  * flush status block and interrupt mailbox. PCI ordering rules
3577  * guarantee that MSI will arrive after the status block.
3578  */
3579 static irqreturn_t tg3_msi(int irq, void *dev_id)
3580 {
3581         struct net_device *dev = dev_id;
3582         struct tg3 *tp = netdev_priv(dev);
3583
3584         prefetch(tp->hw_status);
3585         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3586         /*
3587          * Writing any value to intr-mbox-0 clears PCI INTA# and
3588          * chip-internal interrupt pending events.
3589          * Writing non-zero to intr-mbox-0 additional tells the
3590          * NIC to stop sending us irqs, engaging "in-intr-handler"
3591          * event coalescing.
3592          */
3593         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3594         if (likely(!tg3_irq_sync(tp)))
3595                 netif_rx_schedule(dev, &tp->napi);
3596
3597         return IRQ_RETVAL(1);
3598 }
3599
3600 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3601 {
3602         struct net_device *dev = dev_id;
3603         struct tg3 *tp = netdev_priv(dev);
3604         struct tg3_hw_status *sblk = tp->hw_status;
3605         unsigned int handled = 1;
3606
3607         /* In INTx mode, it is possible for the interrupt to arrive at
3608          * the CPU before the status block posted prior to the interrupt.
3609          * Reading the PCI State register will confirm whether the
3610          * interrupt is ours and will flush the status block.
3611          */
3612         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3613                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3614                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3615                         handled = 0;
3616                         goto out;
3617                 }
3618         }
3619
3620         /*
3621          * Writing any value to intr-mbox-0 clears PCI INTA# and
3622          * chip-internal interrupt pending events.
3623          * Writing non-zero to intr-mbox-0 additional tells the
3624          * NIC to stop sending us irqs, engaging "in-intr-handler"
3625          * event coalescing.
3626          *
3627          * Flush the mailbox to de-assert the IRQ immediately to prevent
3628          * spurious interrupts.  The flush impacts performance but
3629          * excessive spurious interrupts can be worse in some cases.
3630          */
3631         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3632         if (tg3_irq_sync(tp))
3633                 goto out;
3634         sblk->status &= ~SD_STATUS_UPDATED;
3635         if (likely(tg3_has_work(tp))) {
3636                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3637                 netif_rx_schedule(dev, &tp->napi);
3638         } else {
3639                 /* No work, shared interrupt perhaps?  re-enable
3640                  * interrupts, and flush that PCI write
3641                  */
3642                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3643                                0x00000000);
3644         }
3645 out:
3646         return IRQ_RETVAL(handled);
3647 }
3648
3649 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3650 {
3651         struct net_device *dev = dev_id;
3652         struct tg3 *tp = netdev_priv(dev);
3653         struct tg3_hw_status *sblk = tp->hw_status;
3654         unsigned int handled = 1;
3655
3656         /* In INTx mode, it is possible for the interrupt to arrive at
3657          * the CPU before the status block posted prior to the interrupt.
3658          * Reading the PCI State register will confirm whether the
3659          * interrupt is ours and will flush the status block.
3660          */
3661         if (unlikely(sblk->status_tag == tp->last_tag)) {
3662                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3663                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3664                         handled = 0;
3665                         goto out;
3666                 }
3667         }
3668
3669         /*
3670          * writing any value to intr-mbox-0 clears PCI INTA# and
3671          * chip-internal interrupt pending events.
3672          * writing non-zero to intr-mbox-0 additional tells the
3673          * NIC to stop sending us irqs, engaging "in-intr-handler"
3674          * event coalescing.
3675          *
3676          * Flush the mailbox to de-assert the IRQ immediately to prevent
3677          * spurious interrupts.  The flush impacts performance but
3678          * excessive spurious interrupts can be worse in some cases.
3679          */
3680         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3681         if (tg3_irq_sync(tp))
3682                 goto out;
3683         if (netif_rx_schedule_prep(dev, &tp->napi)) {
3684                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3685                 /* Update last_tag to mark that this status has been
3686                  * seen. Because interrupt may be shared, we may be
3687                  * racing with tg3_poll(), so only update last_tag
3688                  * if tg3_poll() is not scheduled.
3689                  */
3690                 tp->last_tag = sblk->status_tag;
3691                 __netif_rx_schedule(dev, &tp->napi);
3692         }
3693 out:
3694         return IRQ_RETVAL(handled);
3695 }
3696
3697 /* ISR for interrupt test */
3698 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3699 {
3700         struct net_device *dev = dev_id;
3701         struct tg3 *tp = netdev_priv(dev);
3702         struct tg3_hw_status *sblk = tp->hw_status;
3703
3704         if ((sblk->status & SD_STATUS_UPDATED) ||
3705             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3706                 tg3_disable_ints(tp);
3707                 return IRQ_RETVAL(1);
3708         }
3709         return IRQ_RETVAL(0);
3710 }
3711
3712 static int tg3_init_hw(struct tg3 *, int);
3713 static int tg3_halt(struct tg3 *, int, int);
3714
3715 /* Restart hardware after configuration changes, self-test, etc.
3716  * Invoked with tp->lock held.
3717  */
3718 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3719 {
3720         int err;
3721
3722         err = tg3_init_hw(tp, reset_phy);
3723         if (err) {
3724                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3725                        "aborting.\n", tp->dev->name);
3726                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3727                 tg3_full_unlock(tp);
3728                 del_timer_sync(&tp->timer);
3729                 tp->irq_sync = 0;
3730                 napi_enable(&tp->napi);
3731                 dev_close(tp->dev);
3732                 tg3_full_lock(tp, 0);
3733         }
3734         return err;
3735 }
3736
3737 #ifdef CONFIG_NET_POLL_CONTROLLER
3738 static void tg3_poll_controller(struct net_device *dev)
3739 {
3740         struct tg3 *tp = netdev_priv(dev);
3741
3742         tg3_interrupt(tp->pdev->irq, dev);
3743 }
3744 #endif
3745
3746 static void tg3_reset_task(struct work_struct *work)
3747 {
3748         struct tg3 *tp = container_of(work, struct tg3, reset_task);
3749         unsigned int restart_timer;
3750
3751         tg3_full_lock(tp, 0);
3752
3753         if (!netif_running(tp->dev)) {
3754                 tg3_full_unlock(tp);
3755                 return;
3756         }
3757
3758         tg3_full_unlock(tp);
3759
3760         tg3_netif_stop(tp);
3761
3762         tg3_full_lock(tp, 1);
3763
3764         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3765         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3766
3767         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3768                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3769                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3770                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3771                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3772         }
3773
3774         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3775         if (tg3_init_hw(tp, 1))
3776                 goto out;
3777
3778         tg3_netif_start(tp);
3779
3780         if (restart_timer)
3781                 mod_timer(&tp->timer, jiffies + 1);
3782
3783 out:
3784         tg3_full_unlock(tp);
3785 }
3786
3787 static void tg3_dump_short_state(struct tg3 *tp)
3788 {
3789         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3790                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3791         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3792                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3793 }
3794
3795 static void tg3_tx_timeout(struct net_device *dev)
3796 {
3797         struct tg3 *tp = netdev_priv(dev);
3798
3799         if (netif_msg_tx_err(tp)) {
3800                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3801                        dev->name);
3802                 tg3_dump_short_state(tp);
3803         }
3804
3805         schedule_work(&tp->reset_task);
3806 }
3807
3808 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3809 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3810 {
3811         u32 base = (u32) mapping & 0xffffffff;
3812
3813         return ((base > 0xffffdcc0) &&
3814                 (base + len + 8 < base));
3815 }
3816
3817 /* Test for DMA addresses > 40-bit */
3818 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3819                                           int len)
3820 {
3821 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3822         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3823                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3824         return 0;
3825 #else
3826         return 0;
3827 #endif
3828 }
3829
3830 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3831
3832 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3833 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3834                                        u32 last_plus_one, u32 *start,
3835                                        u32 base_flags, u32 mss)
3836 {
3837         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3838         dma_addr_t new_addr = 0;
3839         u32 entry = *start;
3840         int i, ret = 0;
3841
3842         if (!new_skb) {
3843                 ret = -1;
3844         } else {
3845                 /* New SKB is guaranteed to be linear. */
3846                 entry = *start;
3847                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3848                                           PCI_DMA_TODEVICE);
3849                 /* Make sure new skb does not cross any 4G boundaries.
3850                  * Drop the packet if it does.
3851                  */
3852                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3853                         ret = -1;
3854                         dev_kfree_skb(new_skb);
3855                         new_skb = NULL;
3856                 } else {
3857                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3858                                     base_flags, 1 | (mss << 1));
3859                         *start = NEXT_TX(entry);
3860                 }
3861         }
3862
3863         /* Now clean up the sw ring entries. */
3864         i = 0;
3865         while (entry != last_plus_one) {
3866                 int len;
3867
3868                 if (i == 0)
3869                         len = skb_headlen(skb);
3870                 else
3871                         len = skb_shinfo(skb)->frags[i-1].size;
3872                 pci_unmap_single(tp->pdev,
3873                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3874                                  len, PCI_DMA_TODEVICE);
3875                 if (i == 0) {
3876                         tp->tx_buffers[entry].skb = new_skb;
3877                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3878                 } else {
3879                         tp->tx_buffers[entry].skb = NULL;
3880                 }
3881                 entry = NEXT_TX(entry);
3882                 i++;
3883         }
3884
3885         dev_kfree_skb(skb);
3886
3887         return ret;
3888 }
3889
3890 static void tg3_set_txd(struct tg3 *tp, int entry,
3891                         dma_addr_t mapping, int len, u32 flags,
3892                         u32 mss_and_is_end)
3893 {
3894         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3895         int is_end = (mss_and_is_end & 0x1);
3896         u32 mss = (mss_and_is_end >> 1);
3897         u32 vlan_tag = 0;
3898
3899         if (is_end)
3900                 flags |= TXD_FLAG_END;
3901         if (flags & TXD_FLAG_VLAN) {
3902                 vlan_tag = flags >> 16;
3903                 flags &= 0xffff;
3904         }
3905         vlan_tag |= (mss << TXD_MSS_SHIFT);
3906
3907         txd->addr_hi = ((u64) mapping >> 32);
3908         txd->addr_lo = ((u64) mapping & 0xffffffff);
3909         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3910         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3911 }
3912
3913 /* hard_start_xmit for devices that don't have any bugs and
3914  * support TG3_FLG2_HW_TSO_2 only.
3915  */
3916 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3917 {
3918         struct tg3 *tp = netdev_priv(dev);
3919         dma_addr_t mapping;
3920         u32 len, entry, base_flags, mss;
3921
3922         len = skb_headlen(skb);
3923
3924         /* We are running in BH disabled context with netif_tx_lock
3925          * and TX reclaim runs via tp->napi.poll inside of a software
3926          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3927          * no IRQ context deadlocks to worry about either.  Rejoice!
3928          */
3929         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3930                 if (!netif_queue_stopped(dev)) {
3931                         netif_stop_queue(dev);
3932
3933                         /* This is a hard error, log it. */
3934                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3935                                "queue awake!\n", dev->name);
3936                 }
3937                 return NETDEV_TX_BUSY;
3938         }
3939
3940         entry = tp->tx_prod;
3941         base_flags = 0;
3942         mss = 0;
3943         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
3944                 int tcp_opt_len, ip_tcp_len;
3945
3946                 if (skb_header_cloned(skb) &&
3947                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3948                         dev_kfree_skb(skb);
3949                         goto out_unlock;
3950                 }
3951
3952                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3953                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3954                 else {
3955                         struct iphdr *iph = ip_hdr(skb);
3956
3957                         tcp_opt_len = tcp_optlen(skb);
3958                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
3959
3960                         iph->check = 0;
3961                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
3962                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3963                 }
3964
3965                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3966                                TXD_FLAG_CPU_POST_DMA);
3967
3968                 tcp_hdr(skb)->check = 0;
3969
3970         }
3971         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3972                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3973 #if TG3_VLAN_TAG_USED
3974         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3975                 base_flags |= (TXD_FLAG_VLAN |
3976                                (vlan_tx_tag_get(skb) << 16));
3977 #endif
3978
3979         /* Queue skb data, a.k.a. the main skb fragment. */
3980         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3981
3982         tp->tx_buffers[entry].skb = skb;
3983         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3984
3985         tg3_set_txd(tp, entry, mapping, len, base_flags,
3986                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3987
3988         entry = NEXT_TX(entry);
3989
3990         /* Now loop through additional data fragments, and queue them. */
3991         if (skb_shinfo(skb)->nr_frags > 0) {
3992                 unsigned int i, last;
3993
3994                 last = skb_shinfo(skb)->nr_frags - 1;
3995                 for (i = 0; i <= last; i++) {
3996                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3997
3998                         len = frag->size;
3999                         mapping = pci_map_page(tp->pdev,
4000                                                frag->page,
4001                                                frag->page_offset,
4002                                                len, PCI_DMA_TODEVICE);
4003
4004                         tp->tx_buffers[entry].skb = NULL;
4005                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4006
4007                         tg3_set_txd(tp, entry, mapping, len,
4008                                     base_flags, (i == last) | (mss << 1));
4009
4010                         entry = NEXT_TX(entry);
4011                 }
4012         }
4013
4014         /* Packets are ready, update Tx producer idx local and on card. */
4015         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4016
4017         tp->tx_prod = entry;
4018         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4019                 netif_stop_queue(dev);
4020                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4021                         netif_wake_queue(tp->dev);
4022         }
4023
4024 out_unlock:
4025         mmiowb();
4026
4027         dev->trans_start = jiffies;
4028
4029         return NETDEV_TX_OK;
4030 }
4031
4032 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
4033
4034 /* Use GSO to workaround a rare TSO bug that may be triggered when the
4035  * TSO header is greater than 80 bytes.
4036  */
4037 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
4038 {
4039         struct sk_buff *segs, *nskb;
4040
4041         /* Estimate the number of fragments in the worst case */
4042         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
4043                 netif_stop_queue(tp->dev);
4044                 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4045                         return NETDEV_TX_BUSY;
4046
4047                 netif_wake_queue(tp->dev);
4048         }
4049
4050         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4051         if (unlikely(IS_ERR(segs)))
4052                 goto tg3_tso_bug_end;
4053
4054         do {
4055                 nskb = segs;
4056                 segs = segs->next;
4057                 nskb->next = NULL;
4058                 tg3_start_xmit_dma_bug(nskb, tp->dev);
4059         } while (segs);
4060
4061 tg3_tso_bug_end:
4062         dev_kfree_skb(skb);
4063
4064         return NETDEV_TX_OK;
4065 }
4066
4067 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4068  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4069  */
4070 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
4071 {
4072         struct tg3 *tp = netdev_priv(dev);
4073         dma_addr_t mapping;
4074         u32 len, entry, base_flags, mss;
4075         int would_hit_hwbug;
4076
4077         len = skb_headlen(skb);
4078
4079         /* We are running in BH disabled context with netif_tx_lock
4080          * and TX reclaim runs via tp->napi.poll inside of a software
4081          * interrupt.  Furthermore, IRQ processing runs lockless so we have
4082          * no IRQ context deadlocks to worry about either.  Rejoice!
4083          */
4084         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
4085                 if (!netif_queue_stopped(dev)) {
4086                         netif_stop_queue(dev);
4087
4088                         /* This is a hard error, log it. */
4089                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4090                                "queue awake!\n", dev->name);
4091                 }
4092                 return NETDEV_TX_BUSY;
4093         }
4094
4095         entry = tp->tx_prod;
4096         base_flags = 0;
4097         if (skb->ip_summed == CHECKSUM_PARTIAL)
4098                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4099         mss = 0;
4100         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
4101                 struct iphdr *iph;
4102                 int tcp_opt_len, ip_tcp_len, hdr_len;
4103
4104                 if (skb_header_cloned(skb) &&
4105                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4106                         dev_kfree_skb(skb);
4107                         goto out_unlock;
4108                 }
4109
4110                 tcp_opt_len = tcp_optlen(skb);
4111                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
4112
4113                 hdr_len = ip_tcp_len + tcp_opt_len;
4114                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4115                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
4116                         return (tg3_tso_bug(tp, skb));
4117
4118                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4119                                TXD_FLAG_CPU_POST_DMA);
4120
4121                 iph = ip_hdr(skb);
4122                 iph->check = 0;
4123                 iph->tot_len = htons(mss + hdr_len);
4124                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4125                         tcp_hdr(skb)->check = 0;
4126                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4127                 } else
4128                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4129                                                                  iph->daddr, 0,
4130                                                                  IPPROTO_TCP,
4131                                                                  0);
4132
4133                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4134                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4135                         if (tcp_opt_len || iph->ihl > 5) {
4136                                 int tsflags;
4137
4138                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
4139                                 mss |= (tsflags << 11);
4140                         }
4141                 } else {
4142                         if (tcp_opt_len || iph->ihl > 5) {
4143                                 int tsflags;
4144
4145                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
4146                                 base_flags |= tsflags << 12;
4147                         }
4148                 }
4149         }
4150 #if TG3_VLAN_TAG_USED
4151         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4152                 base_flags |= (TXD_FLAG_VLAN |
4153                                (vlan_tx_tag_get(skb) << 16));
4154 #endif
4155
4156         /* Queue skb data, a.k.a. the main skb fragment. */
4157         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4158
4159         tp->tx_buffers[entry].skb = skb;
4160         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4161
4162         would_hit_hwbug = 0;
4163
4164         if (tg3_4g_overflow_test(mapping, len))
4165                 would_hit_hwbug = 1;
4166
4167         tg3_set_txd(tp, entry, mapping, len, base_flags,
4168                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4169
4170         entry = NEXT_TX(entry);
4171
4172         /* Now loop through additional data fragments, and queue them. */
4173         if (skb_shinfo(skb)->nr_frags > 0) {
4174                 unsigned int i, last;
4175
4176                 last = skb_shinfo(skb)->nr_frags - 1;
4177                 for (i = 0; i <= last; i++) {
4178                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4179
4180                         len = frag->size;
4181                         mapping = pci_map_page(tp->pdev,
4182                                                frag->page,
4183                                                frag->page_offset,
4184                                                len, PCI_DMA_TODEVICE);
4185
4186                         tp->tx_buffers[entry].skb = NULL;
4187                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4188
4189                         if (tg3_4g_overflow_test(mapping, len))
4190                                 would_hit_hwbug = 1;
4191
4192                         if (tg3_40bit_overflow_test(tp, mapping, len))
4193                                 would_hit_hwbug = 1;
4194
4195                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4196                                 tg3_set_txd(tp, entry, mapping, len,
4197                                             base_flags, (i == last)|(mss << 1));
4198                         else
4199                                 tg3_set_txd(tp, entry, mapping, len,
4200                                             base_flags, (i == last));
4201
4202                         entry = NEXT_TX(entry);
4203                 }
4204         }
4205
4206         if (would_hit_hwbug) {
4207                 u32 last_plus_one = entry;
4208                 u32 start;
4209
4210                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4211                 start &= (TG3_TX_RING_SIZE - 1);
4212
4213                 /* If the workaround fails due to memory/mapping
4214                  * failure, silently drop this packet.
4215                  */
4216                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4217                                                 &start, base_flags, mss))
4218                         goto out_unlock;
4219
4220                 entry = start;
4221         }
4222
4223         /* Packets are ready, update Tx producer idx local and on card. */
4224         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4225
4226         tp->tx_prod = entry;
4227         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4228                 netif_stop_queue(dev);
4229                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4230                         netif_wake_queue(tp->dev);
4231         }
4232
4233 out_unlock:
4234         mmiowb();
4235
4236         dev->trans_start = jiffies;
4237
4238         return NETDEV_TX_OK;
4239 }
4240
4241 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4242                                int new_mtu)
4243 {
4244         dev->mtu = new_mtu;
4245
4246         if (new_mtu > ETH_DATA_LEN) {
4247                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4248                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4249                         ethtool_op_set_tso(dev, 0);
4250                 }
4251                 else
4252                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4253         } else {
4254                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4255                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4256                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4257         }
4258 }
4259
4260 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4261 {
4262         struct tg3 *tp = netdev_priv(dev);
4263         int err;
4264
4265         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4266                 return -EINVAL;
4267
4268         if (!netif_running(dev)) {
4269                 /* We'll just catch it later when the
4270                  * device is up'd.
4271                  */
4272                 tg3_set_mtu(dev, tp, new_mtu);
4273                 return 0;
4274         }
4275
4276         tg3_netif_stop(tp);
4277
4278         tg3_full_lock(tp, 1);
4279
4280         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4281
4282         tg3_set_mtu(dev, tp, new_mtu);
4283
4284         err = tg3_restart_hw(tp, 0);
4285
4286         if (!err)
4287                 tg3_netif_start(tp);
4288
4289         tg3_full_unlock(tp);
4290
4291         return err;
4292 }
4293
4294 /* Free up pending packets in all rx/tx rings.
4295  *
4296  * The chip has been shut down and the driver detached from
4297  * the networking, so no interrupts or new tx packets will
4298  * end up in the driver.  tp->{tx,}lock is not held and we are not
4299  * in an interrupt context and thus may sleep.
4300  */
4301 static void tg3_free_rings(struct tg3 *tp)
4302 {
4303         struct ring_info *rxp;
4304         int i;
4305
4306         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4307                 rxp = &tp->rx_std_buffers[i];
4308
4309                 if (rxp->skb == NULL)
4310                         continue;
4311                 pci_unmap_single(tp->pdev,
4312                                  pci_unmap_addr(rxp, mapping),
4313                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4314                                  PCI_DMA_FROMDEVICE);
4315                 dev_kfree_skb_any(rxp->skb);
4316                 rxp->skb = NULL;
4317         }
4318
4319         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4320                 rxp = &tp->rx_jumbo_buffers[i];
4321
4322                 if (rxp->skb == NULL)
4323                         continue;
4324                 pci_unmap_single(tp->pdev,
4325                                  pci_unmap_addr(rxp, mapping),
4326                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4327                                  PCI_DMA_FROMDEVICE);
4328                 dev_kfree_skb_any(rxp->skb);
4329                 rxp->skb = NULL;
4330         }
4331
4332         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4333                 struct tx_ring_info *txp;
4334                 struct sk_buff *skb;
4335                 int j;
4336
4337                 txp = &tp->tx_buffers[i];
4338                 skb = txp->skb;
4339
4340                 if (skb == NULL) {
4341                         i++;
4342                         continue;
4343                 }
4344
4345                 pci_unmap_single(tp->pdev,
4346                                  pci_unmap_addr(txp, mapping),
4347                                  skb_headlen(skb),
4348                                  PCI_DMA_TODEVICE);
4349                 txp->skb = NULL;
4350
4351                 i++;
4352
4353                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4354                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4355                         pci_unmap_page(tp->pdev,
4356                                        pci_unmap_addr(txp, mapping),
4357                                        skb_shinfo(skb)->frags[j].size,
4358                                        PCI_DMA_TODEVICE);
4359                         i++;
4360                 }
4361
4362                 dev_kfree_skb_any(skb);
4363         }
4364 }
4365
4366 /* Initialize tx/rx rings for packet processing.
4367  *
4368  * The chip has been shut down and the driver detached from
4369  * the networking, so no interrupts or new tx packets will
4370  * end up in the driver.  tp->{tx,}lock are held and thus
4371  * we may not sleep.
4372  */
4373 static int tg3_init_rings(struct tg3 *tp)
4374 {
4375         u32 i;
4376
4377         /* Free up all the SKBs. */
4378         tg3_free_rings(tp);
4379
4380         /* Zero out all descriptors. */
4381         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4382         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4383         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4384         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4385
4386         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4387         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4388             (tp->dev->mtu > ETH_DATA_LEN))
4389                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4390
4391         /* Initialize invariants of the rings, we only set this
4392          * stuff once.  This works because the card does not
4393          * write into the rx buffer posting rings.
4394          */
4395         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4396                 struct tg3_rx_buffer_desc *rxd;
4397
4398                 rxd = &tp->rx_std[i];
4399                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4400                         << RXD_LEN_SHIFT;
4401                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4402                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4403                                (i << RXD_OPAQUE_INDEX_SHIFT));
4404         }
4405
4406         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4407                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4408                         struct tg3_rx_buffer_desc *rxd;
4409
4410                         rxd = &tp->rx_jumbo[i];
4411                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4412                                 << RXD_LEN_SHIFT;
4413                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4414                                 RXD_FLAG_JUMBO;
4415                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4416                                (i << RXD_OPAQUE_INDEX_SHIFT));
4417                 }
4418         }
4419
4420         /* Now allocate fresh SKBs for each rx ring. */
4421         for (i = 0; i < tp->rx_pending; i++) {
4422                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4423                         printk(KERN_WARNING PFX
4424                                "%s: Using a smaller RX standard ring, "
4425                                "only %d out of %d buffers were allocated "
4426                                "successfully.\n",
4427                                tp->dev->name, i, tp->rx_pending);
4428                         if (i == 0)
4429                                 return -ENOMEM;
4430                         tp->rx_pending = i;
4431                         break;
4432                 }
4433         }
4434
4435         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4436                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4437                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4438                                              -1, i) < 0) {
4439                                 printk(KERN_WARNING PFX
4440                                        "%s: Using a smaller RX jumbo ring, "
4441                                        "only %d out of %d buffers were "
4442                                        "allocated successfully.\n",
4443                                        tp->dev->name, i, tp->rx_jumbo_pending);
4444                                 if (i == 0) {
4445                                         tg3_free_rings(tp);
4446                                         return -ENOMEM;
4447                                 }
4448                                 tp->rx_jumbo_pending = i;
4449                                 break;
4450                         }
4451                 }
4452         }
4453         return 0;
4454 }
4455
4456 /*
4457  * Must not be invoked with interrupt sources disabled and
4458  * the hardware shutdown down.
4459  */
4460 static void tg3_free_consistent(struct tg3 *tp)
4461 {
4462         kfree(tp->rx_std_buffers);
4463         tp->rx_std_buffers = NULL;
4464         if (tp->rx_std) {
4465                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4466                                     tp->rx_std, tp->rx_std_mapping);
4467                 tp->rx_std = NULL;
4468         }
4469         if (tp->rx_jumbo) {
4470                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4471                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4472                 tp->rx_jumbo = NULL;
4473         }
4474         if (tp->rx_rcb) {
4475                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4476                                     tp->rx_rcb, tp->rx_rcb_mapping);
4477                 tp->rx_rcb = NULL;
4478         }
4479         if (tp->tx_ring) {
4480                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4481                         tp->tx_ring, tp->tx_desc_mapping);
4482                 tp->tx_ring = NULL;
4483         }
4484         if (tp->hw_status) {
4485                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4486                                     tp->hw_status, tp->status_mapping);
4487                 tp->hw_status = NULL;
4488         }
4489         if (tp->hw_stats) {
4490                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4491                                     tp->hw_stats, tp->stats_mapping);
4492                 tp->hw_stats = NULL;
4493         }
4494 }
4495
4496 /*
4497  * Must not be invoked with interrupt sources disabled and
4498  * the hardware shutdown down.  Can sleep.
4499  */
4500 static int tg3_alloc_consistent(struct tg3 *tp)
4501 {
4502         tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
4503                                       (TG3_RX_RING_SIZE +
4504                                        TG3_RX_JUMBO_RING_SIZE)) +
4505                                      (sizeof(struct tx_ring_info) *
4506                                       TG3_TX_RING_SIZE),
4507                                      GFP_KERNEL);
4508         if (!tp->rx_std_buffers)
4509                 return -ENOMEM;
4510
4511         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4512         tp->tx_buffers = (struct tx_ring_info *)
4513                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4514
4515         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4516                                           &tp->rx_std_mapping);
4517         if (!tp->rx_std)
4518                 goto err_out;
4519
4520         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4521                                             &tp->rx_jumbo_mapping);
4522
4523         if (!tp->rx_jumbo)
4524                 goto err_out;
4525
4526         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4527                                           &tp->rx_rcb_mapping);
4528         if (!tp->rx_rcb)
4529                 goto err_out;
4530
4531         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4532                                            &tp->tx_desc_mapping);
4533         if (!tp->tx_ring)
4534                 goto err_out;
4535
4536         tp->hw_status = pci_alloc_consistent(tp->pdev,
4537                                              TG3_HW_STATUS_SIZE,
4538                                              &tp->status_mapping);
4539         if (!tp->hw_status)
4540                 goto err_out;
4541
4542         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4543                                             sizeof(struct tg3_hw_stats),
4544                                             &tp->stats_mapping);
4545         if (!tp->hw_stats)
4546                 goto err_out;
4547
4548         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4549         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4550
4551         return 0;
4552
4553 err_out:
4554         tg3_free_consistent(tp);
4555         return -ENOMEM;
4556 }
4557
4558 #define MAX_WAIT_CNT 1000
4559
4560 /* To stop a block, clear the enable bit and poll till it
4561  * clears.  tp->lock is held.
4562  */
4563 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4564 {
4565         unsigned int i;
4566         u32 val;
4567
4568         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4569                 switch (ofs) {
4570                 case RCVLSC_MODE:
4571                 case DMAC_MODE:
4572                 case MBFREE_MODE:
4573                 case BUFMGR_MODE:
4574                 case MEMARB_MODE:
4575                         /* We can't enable/disable these bits of the
4576                          * 5705/5750, just say success.
4577                          */
4578                         return 0;
4579
4580                 default:
4581                         break;
4582                 };
4583         }
4584
4585         val = tr32(ofs);
4586         val &= ~enable_bit;
4587         tw32_f(ofs, val);
4588
4589         for (i = 0; i < MAX_WAIT_CNT; i++) {
4590                 udelay(100);
4591                 val = tr32(ofs);
4592                 if ((val & enable_bit) == 0)
4593                         break;
4594         }
4595
4596         if (i == MAX_WAIT_CNT && !silent) {
4597                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4598                        "ofs=%lx enable_bit=%x\n",
4599                        ofs, enable_bit);
4600                 return -ENODEV;
4601         }
4602
4603         return 0;
4604 }
4605
4606 /* tp->lock is held. */
4607 static int tg3_abort_hw(struct tg3 *tp, int silent)
4608 {
4609         int i, err;
4610
4611         tg3_disable_ints(tp);
4612
4613         tp->rx_mode &= ~RX_MODE_ENABLE;
4614         tw32_f(MAC_RX_MODE, tp->rx_mode);
4615         udelay(10);
4616
4617         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4618         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4619         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4620         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4621         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4622         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4623
4624         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4625         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4626         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4627         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4628         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4629         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4630         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4631
4632         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4633         tw32_f(MAC_MODE, tp->mac_mode);
4634         udelay(40);
4635
4636         tp->tx_mode &= ~TX_MODE_ENABLE;
4637         tw32_f(MAC_TX_MODE, tp->tx_mode);
4638
4639         for (i = 0; i < MAX_WAIT_CNT; i++) {
4640                 udelay(100);
4641                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4642                         break;
4643         }
4644         if (i >= MAX_WAIT_CNT) {
4645                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4646                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4647                        tp->dev->name, tr32(MAC_TX_MODE));
4648                 err |= -ENODEV;
4649         }
4650
4651         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4652         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4653         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4654
4655         tw32(FTQ_RESET, 0xffffffff);
4656         tw32(FTQ_RESET, 0x00000000);
4657
4658         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4659         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4660
4661         if (tp->hw_status)
4662                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4663         if (tp->hw_stats)
4664                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4665
4666         return err;
4667 }
4668
4669 /* tp->lock is held. */
4670 static int tg3_nvram_lock(struct tg3 *tp)
4671 {
4672         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4673                 int i;
4674
4675                 if (tp->nvram_lock_cnt == 0) {
4676                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4677                         for (i = 0; i < 8000; i++) {
4678                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4679                                         break;
4680                                 udelay(20);
4681                         }
4682                         if (i == 8000) {
4683                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4684                                 return -ENODEV;
4685                         }
4686                 }
4687                 tp->nvram_lock_cnt++;
4688         }
4689         return 0;
4690 }
4691
4692 /* tp->lock is held. */
4693 static void tg3_nvram_unlock(struct tg3 *tp)
4694 {
4695         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4696                 if (tp->nvram_lock_cnt > 0)
4697                         tp->nvram_lock_cnt--;
4698                 if (tp->nvram_lock_cnt == 0)
4699                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4700         }
4701 }
4702
4703 /* tp->lock is held. */
4704 static void tg3_enable_nvram_access(struct tg3 *tp)
4705 {
4706         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4707             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4708                 u32 nvaccess = tr32(NVRAM_ACCESS);
4709
4710                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4711         }
4712 }
4713
4714 /* tp->lock is held. */
4715 static void tg3_disable_nvram_access(struct tg3 *tp)
4716 {
4717         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4718             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4719                 u32 nvaccess = tr32(NVRAM_ACCESS);
4720
4721                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4722         }
4723 }
4724
4725 /* tp->lock is held. */
4726 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4727 {
4728         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4729                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4730
4731         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4732                 switch (kind) {
4733                 case RESET_KIND_INIT:
4734                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4735                                       DRV_STATE_START);
4736                         break;
4737
4738                 case RESET_KIND_SHUTDOWN:
4739                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4740                                       DRV_STATE_UNLOAD);
4741                         break;
4742
4743                 case RESET_KIND_SUSPEND:
4744                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4745                                       DRV_STATE_SUSPEND);
4746                         break;
4747
4748                 default:
4749                         break;
4750                 };
4751         }
4752 }
4753
4754 /* tp->lock is held. */
4755 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4756 {
4757         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4758                 switch (kind) {
4759                 case RESET_KIND_INIT:
4760                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4761                                       DRV_STATE_START_DONE);
4762                         break;
4763
4764                 case RESET_KIND_SHUTDOWN:
4765                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4766                                       DRV_STATE_UNLOAD_DONE);
4767                         break;
4768
4769                 default:
4770                         break;
4771                 };
4772         }
4773 }
4774
4775 /* tp->lock is held. */
4776 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4777 {
4778         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4779                 switch (kind) {
4780                 case RESET_KIND_INIT:
4781                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4782                                       DRV_STATE_START);
4783                         break;
4784
4785                 case RESET_KIND_SHUTDOWN:
4786                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4787                                       DRV_STATE_UNLOAD);
4788                         break;
4789
4790                 case RESET_KIND_SUSPEND:
4791                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4792                                       DRV_STATE_SUSPEND);
4793                         break;
4794
4795                 default:
4796                         break;
4797                 };
4798         }
4799 }
4800
4801 static int tg3_poll_fw(struct tg3 *tp)
4802 {
4803         int i;
4804         u32 val;
4805
4806         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4807                 /* Wait up to 20ms for init done. */
4808                 for (i = 0; i < 200; i++) {
4809                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4810                                 return 0;
4811                         udelay(100);
4812                 }
4813                 return -ENODEV;
4814         }
4815
4816         /* Wait for firmware initialization to complete. */
4817         for (i = 0; i < 100000; i++) {
4818                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4819                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4820                         break;
4821                 udelay(10);
4822         }
4823
4824         /* Chip might not be fitted with firmware.  Some Sun onboard
4825          * parts are configured like that.  So don't signal the timeout
4826          * of the above loop as an error, but do report the lack of
4827          * running firmware once.
4828          */
4829         if (i >= 100000 &&
4830             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4831                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4832
4833                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4834                        tp->dev->name);
4835         }
4836
4837         return 0;
4838 }
4839
4840 /* Save PCI command register before chip reset */
4841 static void tg3_save_pci_state(struct tg3 *tp)
4842 {
4843         u32 val;
4844
4845         pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
4846         tp->pci_cmd = val;
4847 }
4848
4849 /* Restore PCI state after chip reset */
4850 static void tg3_restore_pci_state(struct tg3 *tp)
4851 {
4852         u32 val;
4853
4854         /* Re-enable indirect register accesses. */
4855         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4856                                tp->misc_host_ctrl);
4857
4858         /* Set MAX PCI retry to zero. */
4859         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4860         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4861             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4862                 val |= PCISTATE_RETRY_SAME_DMA;
4863         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4864
4865         pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
4866
4867         /* Make sure PCI-X relaxed ordering bit is clear. */
4868         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4869         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4870         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4871
4872         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4873
4874                 /* Chip reset on 5780 will reset MSI enable bit,
4875                  * so need to restore it.
4876                  */
4877                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4878                         u16 ctrl;
4879
4880                         pci_read_config_word(tp->pdev,
4881                                              tp->msi_cap + PCI_MSI_FLAGS,
4882                                              &ctrl);
4883                         pci_write_config_word(tp->pdev,
4884                                               tp->msi_cap + PCI_MSI_FLAGS,
4885                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4886                         val = tr32(MSGINT_MODE);
4887                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4888                 }
4889         }
4890 }
4891
4892 static void tg3_stop_fw(struct tg3 *);
4893
4894 /* tp->lock is held. */
4895 static int tg3_chip_reset(struct tg3 *tp)
4896 {
4897         u32 val;
4898         void (*write_op)(struct tg3 *, u32, u32);
4899         int err;
4900
4901         tg3_nvram_lock(tp);
4902
4903         /* No matching tg3_nvram_unlock() after this because
4904          * chip reset below will undo the nvram lock.
4905          */
4906         tp->nvram_lock_cnt = 0;
4907
4908         /* GRC_MISC_CFG core clock reset will clear the memory
4909          * enable bit in PCI register 4 and the MSI enable bit
4910          * on some chips, so we save relevant registers here.
4911          */
4912         tg3_save_pci_state(tp);
4913
4914         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4915             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4916             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4917                 tw32(GRC_FASTBOOT_PC, 0);
4918
4919         /*
4920          * We must avoid the readl() that normally takes place.
4921          * It locks machines, causes machine checks, and other
4922          * fun things.  So, temporarily disable the 5701
4923          * hardware workaround, while we do the reset.
4924          */
4925         write_op = tp->write32;
4926         if (write_op == tg3_write_flush_reg32)
4927                 tp->write32 = tg3_write32;
4928
4929         /* Prevent the irq handler from reading or writing PCI registers
4930          * during chip reset when the memory enable bit in the PCI command
4931          * register may be cleared.  The chip does not generate interrupt
4932          * at this time, but the irq handler may still be called due to irq
4933          * sharing or irqpoll.
4934          */
4935         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
4936         if (tp->hw_status) {
4937                 tp->hw_status->status = 0;
4938                 tp->hw_status->status_tag = 0;
4939         }
4940         tp->last_tag = 0;
4941         smp_mb();
4942         synchronize_irq(tp->pdev->irq);
4943
4944         /* do the reset */
4945         val = GRC_MISC_CFG_CORECLK_RESET;
4946
4947         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4948                 if (tr32(0x7e2c) == 0x60) {
4949                         tw32(0x7e2c, 0x20);
4950                 }
4951                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4952                         tw32(GRC_MISC_CFG, (1 << 29));
4953                         val |= (1 << 29);
4954                 }
4955         }
4956
4957         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4958                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4959                 tw32(GRC_VCPU_EXT_CTRL,
4960                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4961         }
4962
4963         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4964                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4965         tw32(GRC_MISC_CFG, val);
4966
4967         /* restore 5701 hardware bug workaround write method */
4968         tp->write32 = write_op;
4969
4970         /* Unfortunately, we have to delay before the PCI read back.
4971          * Some 575X chips even will not respond to a PCI cfg access
4972          * when the reset command is given to the chip.
4973          *
4974          * How do these hardware designers expect things to work
4975          * properly if the PCI write is posted for a long period
4976          * of time?  It is always necessary to have some method by
4977          * which a register read back can occur to push the write
4978          * out which does the reset.
4979          *
4980          * For most tg3 variants the trick below was working.
4981          * Ho hum...
4982          */
4983         udelay(120);
4984
4985         /* Flush PCI posted writes.  The normal MMIO registers
4986          * are inaccessible at this time so this is the only
4987          * way to make this reliably (actually, this is no longer
4988          * the case, see above).  I tried to use indirect
4989          * register read/write but this upset some 5701 variants.
4990          */
4991         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4992
4993         udelay(120);
4994
4995         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4996                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4997                         int i;
4998                         u32 cfg_val;
4999
5000                         /* Wait for link training to complete.  */
5001                         for (i = 0; i < 5000; i++)
5002                                 udelay(100);
5003
5004                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
5005                         pci_write_config_dword(tp->pdev, 0xc4,
5006                                                cfg_val | (1 << 15));
5007                 }
5008                 /* Set PCIE max payload size and clear error status.  */
5009                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
5010         }
5011
5012         tg3_restore_pci_state(tp);
5013
5014         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
5015
5016         val = 0;
5017         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5018                 val = tr32(MEMARB_MODE);
5019         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
5020
5021         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
5022                 tg3_stop_fw(tp);
5023                 tw32(0x5000, 0x400);
5024         }
5025
5026         tw32(GRC_MODE, tp->grc_mode);
5027
5028         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
5029                 val = tr32(0xc4);
5030
5031                 tw32(0xc4, val | (1 << 15));
5032         }
5033
5034         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
5035             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5036                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
5037                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
5038                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
5039                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5040         }
5041
5042         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5043                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
5044                 tw32_f(MAC_MODE, tp->mac_mode);
5045         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
5046                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
5047                 tw32_f(MAC_MODE, tp->mac_mode);
5048         } else
5049                 tw32_f(MAC_MODE, 0);
5050         udelay(40);
5051
5052         err = tg3_poll_fw(tp);
5053         if (err)
5054                 return err;
5055
5056         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
5057             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
5058                 val = tr32(0x7c00);
5059
5060                 tw32(0x7c00, val | (1 << 25));
5061         }
5062
5063         /* Reprobe ASF enable state.  */
5064         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5065         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5066         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5067         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5068                 u32 nic_cfg;
5069
5070                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5071                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5072                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
5073                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
5074                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5075                 }
5076         }
5077
5078         return 0;
5079 }
5080
5081 /* tp->lock is held. */
5082 static void tg3_stop_fw(struct tg3 *tp)
5083 {
5084         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5085                 u32 val;
5086                 int i;
5087
5088                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5089                 val = tr32(GRC_RX_CPU_EVENT);
5090                 val |= (1 << 14);
5091                 tw32(GRC_RX_CPU_EVENT, val);
5092
5093                 /* Wait for RX cpu to ACK the event.  */
5094                 for (i = 0; i < 100; i++) {
5095                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5096                                 break;
5097                         udelay(1);
5098                 }
5099         }
5100 }
5101
5102 /* tp->lock is held. */
5103 static int tg3_halt(struct tg3 *tp, int kind, int silent)
5104 {
5105         int err;
5106
5107         tg3_stop_fw(tp);
5108
5109         tg3_write_sig_pre_reset(tp, kind);
5110
5111         tg3_abort_hw(tp, silent);
5112         err = tg3_chip_reset(tp);
5113
5114         tg3_write_sig_legacy(tp, kind);
5115         tg3_write_sig_post_reset(tp, kind);
5116
5117         if (err)
5118                 return err;
5119
5120         return 0;
5121 }
5122
5123 #define TG3_FW_RELEASE_MAJOR    0x0
5124 #define TG3_FW_RELASE_MINOR     0x0
5125 #define TG3_FW_RELEASE_FIX      0x0
5126 #define TG3_FW_START_ADDR       0x08000000
5127 #define TG3_FW_TEXT_ADDR        0x08000000
5128 #define TG3_FW_TEXT_LEN         0x9c0
5129 #define TG3_FW_RODATA_ADDR      0x080009c0
5130 #define TG3_FW_RODATA_LEN       0x60
5131 #define TG3_FW_DATA_ADDR        0x08000a40
5132 #define TG3_FW_DATA_LEN         0x20
5133 #define TG3_FW_SBSS_ADDR        0x08000a60
5134 #define TG3_FW_SBSS_LEN         0xc
5135 #define TG3_FW_BSS_ADDR         0x08000a70
5136 #define TG3_FW_BSS_LEN          0x10
5137
5138 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5139         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5140         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5141         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5142         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5143         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5144         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5145         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5146         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5147         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5148         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5149         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5150         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5151         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5152         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5153         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5154         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5155         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5156         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5157         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5158         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5159         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5160         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5161         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5162         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5163         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5164         0, 0, 0, 0, 0, 0,
5165         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5166         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5167         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5168         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5169         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5170         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5171         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5172         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5173         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5174         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5175         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5176         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5177         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5178         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5179         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5180         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5181         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5182         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5183         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5184         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5185         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5186         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5187         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5188         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5189         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5190         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5191         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5192         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5193         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5194         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5195         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5196         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5197         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5198         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5199         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5200         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5201         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5202         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5203         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5204         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5205         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5206         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5207         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5208         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5209         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5210         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5211         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5212         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5213         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5214         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5215         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5216         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5217         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5218         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5219         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5220         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5221         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5222         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5223         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5224         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5225         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5226         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5227         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5228         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5229         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5230 };
5231
5232 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5233         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5234         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5235         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5236         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5237         0x00000000
5238 };
5239
5240 #if 0 /* All zeros, don't eat up space with it. */
5241 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5242         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5243         0x00000000, 0x00000000, 0x00000000, 0x00000000
5244 };
5245 #endif
5246
5247 #define RX_CPU_SCRATCH_BASE     0x30000
5248 #define RX_CPU_SCRATCH_SIZE     0x04000
5249 #define TX_CPU_SCRATCH_BASE     0x34000
5250 #define TX_CPU_SCRATCH_SIZE     0x04000
5251
5252 /* tp->lock is held. */
5253 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5254 {
5255         int i;
5256
5257         BUG_ON(offset == TX_CPU_BASE &&
5258             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5259
5260         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5261                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5262
5263                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5264                 return 0;
5265         }
5266         if (offset == RX_CPU_BASE) {
5267                 for (i = 0; i < 10000; i++) {
5268                         tw32(offset + CPU_STATE, 0xffffffff);
5269                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5270                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5271                                 break;
5272                 }
5273
5274                 tw32(offset + CPU_STATE, 0xffffffff);
5275                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5276                 udelay(10);
5277         } else {
5278                 for (i = 0; i < 10000; i++) {
5279                         tw32(offset + CPU_STATE, 0xffffffff);
5280                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5281                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5282                                 break;
5283                 }
5284         }
5285
5286         if (i >= 10000) {
5287                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5288                        "and %s CPU\n",
5289                        tp->dev->name,
5290                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5291                 return -ENODEV;
5292         }
5293
5294         /* Clear firmware's nvram arbitration. */
5295         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5296                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5297         return 0;
5298 }
5299
5300 struct fw_info {
5301         unsigned int text_base;
5302         unsigned int text_len;
5303         const u32 *text_data;
5304         unsigned int rodata_base;
5305         unsigned int rodata_len;
5306         const u32 *rodata_data;
5307         unsigned int data_base;
5308         unsigned int data_len;
5309         const u32 *data_data;
5310 };
5311
5312 /* tp->lock is held. */
5313 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5314                                  int cpu_scratch_size, struct fw_info *info)
5315 {
5316         int err, lock_err, i;
5317         void (*write_op)(struct tg3 *, u32, u32);
5318
5319         if (cpu_base == TX_CPU_BASE &&
5320             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5321                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5322                        "TX cpu firmware on %s which is 5705.\n",
5323                        tp->dev->name);
5324                 return -EINVAL;
5325         }
5326
5327         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5328                 write_op = tg3_write_mem;
5329         else
5330                 write_op = tg3_write_indirect_reg32;
5331
5332         /* It is possible that bootcode is still loading at this point.
5333          * Get the nvram lock first before halting the cpu.
5334          */
5335         lock_err = tg3_nvram_lock(tp);
5336         err = tg3_halt_cpu(tp, cpu_base);
5337         if (!lock_err)
5338                 tg3_nvram_unlock(tp);
5339         if (err)
5340                 goto out;
5341
5342         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5343                 write_op(tp, cpu_scratch_base + i, 0);
5344         tw32(cpu_base + CPU_STATE, 0xffffffff);
5345         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5346         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5347                 write_op(tp, (cpu_scratch_base +
5348                               (info->text_base & 0xffff) +
5349                               (i * sizeof(u32))),
5350                          (info->text_data ?
5351                           info->text_data[i] : 0));
5352         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5353                 write_op(tp, (cpu_scratch_base +
5354                               (info->rodata_base & 0xffff) +
5355                               (i * sizeof(u32))),
5356                          (info->rodata_data ?
5357                           info->rodata_data[i] : 0));
5358         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5359                 write_op(tp, (cpu_scratch_base +
5360                               (info->data_base & 0xffff) +
5361                               (i * sizeof(u32))),
5362                          (info->data_data ?
5363                           info->data_data[i] : 0));
5364
5365         err = 0;
5366
5367 out:
5368         return err;
5369 }
5370
5371 /* tp->lock is held. */
5372 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5373 {
5374         struct fw_info info;
5375         int err, i;
5376
5377         info.text_base = TG3_FW_TEXT_ADDR;
5378         info.text_len = TG3_FW_TEXT_LEN;
5379         info.text_data = &tg3FwText[0];
5380         info.rodata_base = TG3_FW_RODATA_ADDR;
5381         info.rodata_len = TG3_FW_RODATA_LEN;
5382         info.rodata_data = &tg3FwRodata[0];
5383         info.data_base = TG3_FW_DATA_ADDR;
5384         info.data_len = TG3_FW_DATA_LEN;
5385         info.data_data = NULL;
5386
5387         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5388                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5389                                     &info);
5390         if (err)
5391                 return err;
5392
5393         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5394                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5395                                     &info);
5396         if (err)
5397                 return err;
5398
5399         /* Now startup only the RX cpu. */
5400         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5401         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5402
5403         for (i = 0; i < 5; i++) {
5404                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5405                         break;
5406                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5407                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5408                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5409                 udelay(1000);
5410         }
5411         if (i >= 5) {
5412                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5413                        "to set RX CPU PC, is %08x should be %08x\n",
5414                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5415                        TG3_FW_TEXT_ADDR);
5416                 return -ENODEV;
5417         }
5418         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5419         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5420
5421         return 0;
5422 }
5423
5424
5425 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5426 #define TG3_TSO_FW_RELASE_MINOR         0x6
5427 #define TG3_TSO_FW_RELEASE_FIX          0x0
5428 #define TG3_TSO_FW_START_ADDR           0x08000000
5429 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5430 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5431 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5432 #define TG3_TSO_FW_RODATA_LEN           0x60
5433 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5434 #define TG3_TSO_FW_DATA_LEN             0x30
5435 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5436 #define TG3_TSO_FW_SBSS_LEN             0x2c
5437 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5438 #define TG3_TSO_FW_BSS_LEN              0x894
5439
5440 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5441         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5442         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5443         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5444         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5445         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5446         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5447         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5448         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5449         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5450         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5451         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5452         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5453         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5454         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5455         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5456         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5457         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5458         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5459         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5460         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5461         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5462         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5463         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5464         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5465         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5466         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5467         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5468         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5469         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5470         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5471         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5472         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5473         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5474         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5475         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5476         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5477         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5478         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5479         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5480         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5481         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5482         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5483         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5484         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5485         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5486         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5487         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5488         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5489         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5490         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5491         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5492         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5493         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5494         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5495         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5496         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5497         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5498         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5499         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5500         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5501         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5502         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5503         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5504         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5505         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5506         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5507         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5508         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5509         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5510         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5511         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5512         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5513         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5514         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5515         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5516         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5517         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5518         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5519         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5520         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5521         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5522         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5523         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5524         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5525         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5526         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5527         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5528         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5529         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5530         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5531         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5532         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5533         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5534         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5535         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5536         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5537         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5538         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5539         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5540         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5541         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5542         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5543         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5544         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5545         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5546         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5547         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5548         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5549         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5550         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5551         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5552         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5553         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5554         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5555         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5556         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5557         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5558         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5559         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5560         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5561         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5562         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5563         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5564         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5565         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5566         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5567         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5568         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5569         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5570         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5571         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5572         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5573         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5574         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5575         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5576         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5577         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5578         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5579         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5580         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5581         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5582         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5583         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5584         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5585         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5586         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5587         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5588         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5589         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5590         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5591         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5592         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5593         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5594         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5595         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5596         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5597         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5598         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5599         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5600         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5601         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5602         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5603         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5604         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5605         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5606         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5607         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5608         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5609         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5610         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5611         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5612         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5613         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5614         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5615         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5616         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5617         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5618         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5619         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5620         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5621         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5622         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5623         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5624         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5625         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5626         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5627         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5628         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5629         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5630         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5631         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5632         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5633         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5634         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5635         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5636         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5637         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5638         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5639         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5640         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5641         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5642         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5643         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5644         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5645         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5646         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5647         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5648         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5649         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5650         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5651         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5652         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5653         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5654         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5655         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5656         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5657         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5658         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5659         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5660         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5661         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5662         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5663         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5664         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5665         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5666         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5667         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5668         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5669         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5670         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5671         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5672         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5673         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5674         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5675         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5676         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5677         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5678         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5679         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5680         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5681         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5682         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5683         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5684         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5685         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5686         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5687         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5688         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5689         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5690         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5691         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5692         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5693         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5694         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5695         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5696         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5697         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5698         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5699         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5700         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5701         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5702         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5703         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5704         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5705         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5706         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5707         0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5708         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5709         0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5710         0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5711         0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5712         0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5713         0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5714         0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5715         0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5716         0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5717         0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5718         0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5719         0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5720         0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5721         0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5722         0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5723         0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5724         0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5725 };
5726
5727 static const u32 tg3TsoFwRodata[] = {
5728         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5729         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5730         0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5731         0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5732         0x00000000,
5733 };
5734
5735 static const u32 tg3TsoFwData[] = {
5736         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5737         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5738         0x00000000,
5739 };
5740
5741 /* 5705 needs a special version of the TSO firmware.  */
5742 #define TG3_TSO5_FW_RELEASE_MAJOR       0x1
5743 #define TG3_TSO5_FW_RELASE_MINOR        0x2
5744 #define TG3_TSO5_FW_RELEASE_FIX         0x0
5745 #define TG3_TSO5_FW_START_ADDR          0x00010000
5746 #define TG3_TSO5_FW_TEXT_ADDR           0x00010000
5747 #define TG3_TSO5_FW_TEXT_LEN            0xe90
5748 #define TG3_TSO5_FW_RODATA_ADDR         0x00010e90
5749 #define TG3_TSO5_FW_RODATA_LEN          0x50
5750 #define TG3_TSO5_FW_DATA_ADDR           0x00010f00
5751 #define TG3_TSO5_FW_DATA_LEN            0x20
5752 #define TG3_TSO5_FW_SBSS_ADDR           0x00010f20
5753 #define TG3_TSO5_FW_SBSS_LEN            0x28
5754 #define TG3_TSO5_FW_BSS_ADDR            0x00010f50
5755 #define TG3_TSO5_FW_BSS_LEN             0x88
5756
5757 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5758         0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5759         0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5760         0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5761         0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5762         0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5763         0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5764         0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5765         0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5766         0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5767         0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5768         0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5769         0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5770         0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5771         0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5772         0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5773         0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5774         0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5775         0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5776         0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5777         0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5778         0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5779         0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5780         0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5781         0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5782         0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5783         0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5784         0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5785         0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5786         0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5787         0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5788         0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5789         0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5790         0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5791         0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5792         0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5793         0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5794         0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5795         0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5796         0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5797         0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5798         0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5799         0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5800         0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5801         0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5802         0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5803         0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5804         0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5805         0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5806         0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5807         0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5808         0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5809         0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5810         0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5811         0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5812         0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5813         0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5814         0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5815         0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5816         0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5817         0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5818         0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5819         0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5820         0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5821         0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5822         0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5823         0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5824         0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5825         0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5826         0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5827         0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5828         0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5829         0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5830         0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5831         0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5832         0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5833         0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5834         0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5835         0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5836         0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5837         0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5838         0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5839         0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5840         0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5841         0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5842         0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5843         0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5844         0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5845         0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5846         0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5847         0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5848         0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5849         0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5850         0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5851         0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5852         0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5853         0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5854         0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5855         0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5856         0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5857         0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5858         0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5859         0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5860         0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5861         0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5862         0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5863         0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5864         0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5865         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5866         0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5867         0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5868         0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5869         0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5870         0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5871         0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5872         0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5873         0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5874         0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5875         0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5876         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5877         0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5878         0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5879         0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5880         0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5881         0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5882         0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5883         0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5884         0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5885         0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5886         0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5887         0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5888         0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5889         0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5890         0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5891         0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5892         0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5893         0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5894         0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5895         0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5896         0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5897         0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5898         0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5899         0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5900         0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5901         0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5902         0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5903         0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5904         0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5905         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5906         0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5907         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5908         0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5909         0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5910         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5911         0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5912         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5913         0x00000000, 0x00000000, 0x00000000,
5914 };
5915
5916 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5917         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5918         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5919         0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5920         0x00000000, 0x00000000, 0x00000000,
5921 };
5922
5923 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5924         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5925         0x00000000, 0x00000000, 0x00000000,
5926 };
5927
5928 /* tp->lock is held. */
5929 static int tg3_load_tso_firmware(struct tg3 *tp)
5930 {
5931         struct fw_info info;
5932         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5933         int err, i;
5934
5935         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5936                 return 0;
5937
5938         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5939                 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5940                 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5941                 info.text_data = &tg3Tso5FwText[0];
5942                 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5943                 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5944                 info.rodata_data = &tg3Tso5FwRodata[0];
5945                 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5946                 info.data_len = TG3_TSO5_FW_DATA_LEN;
5947                 info.data_data = &tg3Tso5FwData[0];
5948                 cpu_base = RX_CPU_BASE;
5949                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5950                 cpu_scratch_size = (info.text_len +
5951                                     info.rodata_len +
5952                                     info.data_len +
5953                                     TG3_TSO5_FW_SBSS_LEN +
5954                                     TG3_TSO5_FW_BSS_LEN);
5955         } else {
5956                 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5957                 info.text_len = TG3_TSO_FW_TEXT_LEN;
5958                 info.text_data = &tg3TsoFwText[0];
5959                 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5960                 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5961                 info.rodata_data = &tg3TsoFwRodata[0];
5962                 info.data_base = TG3_TSO_FW_DATA_ADDR;
5963                 info.data_len = TG3_TSO_FW_DATA_LEN;
5964                 info.data_data = &tg3TsoFwData[0];
5965                 cpu_base = TX_CPU_BASE;
5966                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5967                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5968         }
5969
5970         err = tg3_load_firmware_cpu(tp, cpu_base,
5971                                     cpu_scratch_base, cpu_scratch_size,
5972                                     &info);
5973         if (err)
5974                 return err;
5975
5976         /* Now startup the cpu. */
5977         tw32(cpu_base + CPU_STATE, 0xffffffff);
5978         tw32_f(cpu_base + CPU_PC,    info.text_base);
5979
5980         for (i = 0; i < 5; i++) {
5981                 if (tr32(cpu_base + CPU_PC) == info.text_base)
5982                         break;
5983                 tw32(cpu_base + CPU_STATE, 0xffffffff);
5984                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
5985                 tw32_f(cpu_base + CPU_PC,    info.text_base);
5986                 udelay(1000);
5987         }
5988         if (i >= 5) {
5989                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5990                        "to set CPU PC, is %08x should be %08x\n",
5991                        tp->dev->name, tr32(cpu_base + CPU_PC),
5992                        info.text_base);
5993                 return -ENODEV;
5994         }
5995         tw32(cpu_base + CPU_STATE, 0xffffffff);
5996         tw32_f(cpu_base + CPU_MODE,  0x00000000);
5997         return 0;
5998 }
5999
6000
6001 /* tp->lock is held. */
6002 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
6003 {
6004         u32 addr_high, addr_low;
6005         int i;
6006
6007         addr_high = ((tp->dev->dev_addr[0] << 8) |
6008                      tp->dev->dev_addr[1]);
6009         addr_low = ((tp->dev->dev_addr[2] << 24) |
6010                     (tp->dev->dev_addr[3] << 16) |
6011                     (tp->dev->dev_addr[4] <<  8) |
6012                     (tp->dev->dev_addr[5] <<  0));
6013         for (i = 0; i < 4; i++) {
6014                 if (i == 1 && skip_mac_1)
6015                         continue;
6016                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
6017                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
6018         }
6019
6020         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
6021             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6022                 for (i = 0; i < 12; i++) {
6023                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
6024                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
6025                 }
6026         }
6027
6028         addr_high = (tp->dev->dev_addr[0] +
6029                      tp->dev->dev_addr[1] +
6030                      tp->dev->dev_addr[2] +
6031                      tp->dev->dev_addr[3] +
6032                      tp->dev->dev_addr[4] +
6033                      tp->dev->dev_addr[5]) &
6034                 TX_BACKOFF_SEED_MASK;
6035         tw32(MAC_TX_BACKOFF_SEED, addr_high);
6036 }
6037
6038 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6039 {
6040         struct tg3 *tp = netdev_priv(dev);
6041         struct sockaddr *addr = p;
6042         int err = 0, skip_mac_1 = 0;
6043
6044         if (!is_valid_ether_addr(addr->sa_data))
6045                 return -EINVAL;
6046
6047         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6048
6049         if (!netif_running(dev))
6050                 return 0;
6051
6052         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6053                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6054
6055                 addr0_high = tr32(MAC_ADDR_0_HIGH);
6056                 addr0_low = tr32(MAC_ADDR_0_LOW);
6057                 addr1_high = tr32(MAC_ADDR_1_HIGH);
6058                 addr1_low = tr32(MAC_ADDR_1_LOW);
6059
6060                 /* Skip MAC addr 1 if ASF is using it. */
6061                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6062                     !(addr1_high == 0 && addr1_low == 0))
6063                         skip_mac_1 = 1;
6064         }
6065         spin_lock_bh(&tp->lock);
6066         __tg3_set_mac_addr(tp, skip_mac_1);
6067         spin_unlock_bh(&tp->lock);
6068
6069         return err;
6070 }
6071
6072 /* tp->lock is held. */
6073 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6074                            dma_addr_t mapping, u32 maxlen_flags,
6075                            u32 nic_addr)
6076 {
6077         tg3_write_mem(tp,
6078                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6079                       ((u64) mapping >> 32));
6080         tg3_write_mem(tp,
6081                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6082                       ((u64) mapping & 0xffffffff));
6083         tg3_write_mem(tp,
6084                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6085                        maxlen_flags);
6086
6087         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6088                 tg3_write_mem(tp,
6089                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6090                               nic_addr);
6091 }
6092
6093 static void __tg3_set_rx_mode(struct net_device *);
6094 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6095 {
6096         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6097         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6098         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6099         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6100         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6101                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6102                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6103         }
6104         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6105         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6106         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6107                 u32 val = ec->stats_block_coalesce_usecs;
6108
6109                 if (!netif_carrier_ok(tp->dev))
6110                         val = 0;
6111
6112                 tw32(HOSTCC_STAT_COAL_TICKS, val);
6113         }
6114 }
6115
6116 /* tp->lock is held. */
6117 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6118 {
6119         u32 val, rdmac_mode;
6120         int i, err, limit;
6121
6122         tg3_disable_ints(tp);
6123
6124         tg3_stop_fw(tp);
6125
6126         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6127
6128         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6129                 tg3_abort_hw(tp, 1);
6130         }
6131
6132         if (reset_phy)
6133                 tg3_phy_reset(tp);
6134
6135         err = tg3_chip_reset(tp);
6136         if (err)
6137                 return err;
6138
6139         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6140
6141         /* This works around an issue with Athlon chipsets on
6142          * B3 tigon3 silicon.  This bit has no effect on any
6143          * other revision.  But do not set this on PCI Express
6144          * chips.
6145          */
6146         if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6147                 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6148         tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6149
6150         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6151             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6152                 val = tr32(TG3PCI_PCISTATE);
6153                 val |= PCISTATE_RETRY_SAME_DMA;
6154                 tw32(TG3PCI_PCISTATE, val);
6155         }
6156
6157         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6158                 /* Enable some hw fixes.  */
6159                 val = tr32(TG3PCI_MSI_DATA);
6160                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6161                 tw32(TG3PCI_MSI_DATA, val);
6162         }
6163
6164         /* Descriptor ring init may make accesses to the
6165          * NIC SRAM area to setup the TX descriptors, so we
6166          * can only do this after the hardware has been
6167          * successfully reset.
6168          */
6169         err = tg3_init_rings(tp);
6170         if (err)
6171                 return err;
6172
6173         /* This value is determined during the probe time DMA
6174          * engine test, tg3_test_dma.
6175          */
6176         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6177
6178         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6179                           GRC_MODE_4X_NIC_SEND_RINGS |
6180                           GRC_MODE_NO_TX_PHDR_CSUM |
6181                           GRC_MODE_NO_RX_PHDR_CSUM);
6182         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6183
6184         /* Pseudo-header checksum is done by hardware logic and not
6185          * the offload processers, so make the chip do the pseudo-
6186          * header checksums on receive.  For transmit it is more
6187          * convenient to do the pseudo-header checksum in software
6188          * as Linux does that on transmit for us in all cases.
6189          */
6190         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6191
6192         tw32(GRC_MODE,
6193              tp->grc_mode |
6194              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6195
6196         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6197         val = tr32(GRC_MISC_CFG);
6198         val &= ~0xff;
6199         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6200         tw32(GRC_MISC_CFG, val);
6201
6202         /* Initialize MBUF/DESC pool. */
6203         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6204                 /* Do nothing.  */
6205         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6206                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6207                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6208                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6209                 else
6210                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6211                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6212                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6213         }
6214         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6215                 int fw_len;
6216
6217                 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6218                           TG3_TSO5_FW_RODATA_LEN +
6219                           TG3_TSO5_FW_DATA_LEN +
6220                           TG3_TSO5_FW_SBSS_LEN +
6221                           TG3_TSO5_FW_BSS_LEN);
6222                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6223                 tw32(BUFMGR_MB_POOL_ADDR,
6224                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6225                 tw32(BUFMGR_MB_POOL_SIZE,
6226                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6227         }
6228
6229         if (tp->dev->mtu <= ETH_DATA_LEN) {
6230                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6231                      tp->bufmgr_config.mbuf_read_dma_low_water);
6232                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6233                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6234                 tw32(BUFMGR_MB_HIGH_WATER,
6235                      tp->bufmgr_config.mbuf_high_water);
6236         } else {
6237                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6238                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6239                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6240                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6241                 tw32(BUFMGR_MB_HIGH_WATER,
6242                      tp->bufmgr_config.mbuf_high_water_jumbo);
6243         }
6244         tw32(BUFMGR_DMA_LOW_WATER,
6245              tp->bufmgr_config.dma_low_water);
6246         tw32(BUFMGR_DMA_HIGH_WATER,
6247              tp->bufmgr_config.dma_high_water);
6248
6249         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6250         for (i = 0; i < 2000; i++) {
6251                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6252                         break;
6253                 udelay(10);
6254         }
6255         if (i >= 2000) {
6256                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6257                        tp->dev->name);
6258                 return -ENODEV;
6259         }
6260
6261         /* Setup replenish threshold. */
6262         val = tp->rx_pending / 8;
6263         if (val == 0)
6264                 val = 1;
6265         else if (val > tp->rx_std_max_post)
6266                 val = tp->rx_std_max_post;
6267         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6268                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6269                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6270
6271                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6272                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6273         }
6274
6275         tw32(RCVBDI_STD_THRESH, val);
6276
6277         /* Initialize TG3_BDINFO's at:
6278          *  RCVDBDI_STD_BD:     standard eth size rx ring
6279          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6280          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6281          *
6282          * like so:
6283          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6284          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6285          *                              ring attribute flags
6286          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6287          *
6288          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6289          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6290          *
6291          * The size of each ring is fixed in the firmware, but the location is
6292          * configurable.
6293          */
6294         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6295              ((u64) tp->rx_std_mapping >> 32));
6296         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6297              ((u64) tp->rx_std_mapping & 0xffffffff));
6298         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6299              NIC_SRAM_RX_BUFFER_DESC);
6300
6301         /* Don't even try to program the JUMBO/MINI buffer descriptor
6302          * configs on 5705.
6303          */
6304         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6305                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6306                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6307         } else {
6308                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6309                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6310
6311                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6312                      BDINFO_FLAGS_DISABLED);
6313
6314                 /* Setup replenish threshold. */
6315                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6316
6317                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6318                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6319                              ((u64) tp->rx_jumbo_mapping >> 32));
6320                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6321                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6322                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6323                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6324                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6325                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6326                 } else {
6327                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6328                              BDINFO_FLAGS_DISABLED);
6329                 }
6330
6331         }
6332
6333         /* There is only one send ring on 5705/5750, no need to explicitly
6334          * disable the others.
6335          */
6336         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6337                 /* Clear out send RCB ring in SRAM. */
6338                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6339                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6340                                       BDINFO_FLAGS_DISABLED);
6341         }
6342
6343         tp->tx_prod = 0;
6344         tp->tx_cons = 0;
6345         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6346         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6347
6348         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6349                        tp->tx_desc_mapping,
6350                        (TG3_TX_RING_SIZE <<
6351                         BDINFO_FLAGS_MAXLEN_SHIFT),
6352                        NIC_SRAM_TX_BUFFER_DESC);
6353
6354         /* There is only one receive return ring on 5705/5750, no need
6355          * to explicitly disable the others.
6356          */
6357         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6358                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6359                      i += TG3_BDINFO_SIZE) {
6360                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6361                                       BDINFO_FLAGS_DISABLED);
6362                 }
6363         }
6364
6365         tp->rx_rcb_ptr = 0;
6366         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6367
6368         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6369                        tp->rx_rcb_mapping,
6370                        (TG3_RX_RCB_RING_SIZE(tp) <<
6371                         BDINFO_FLAGS_MAXLEN_SHIFT),
6372                        0);
6373
6374         tp->rx_std_ptr = tp->rx_pending;
6375         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6376                      tp->rx_std_ptr);
6377
6378         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6379                                                 tp->rx_jumbo_pending : 0;
6380         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6381                      tp->rx_jumbo_ptr);
6382
6383         /* Initialize MAC address and backoff seed. */
6384         __tg3_set_mac_addr(tp, 0);
6385
6386         /* MTU + ethernet header + FCS + optional VLAN tag */
6387         tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6388
6389         /* The slot time is changed by tg3_setup_phy if we
6390          * run at gigabit with half duplex.
6391          */
6392         tw32(MAC_TX_LENGTHS,
6393              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6394              (6 << TX_LENGTHS_IPG_SHIFT) |
6395              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6396
6397         /* Receive rules. */
6398         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6399         tw32(RCVLPC_CONFIG, 0x0181);
6400
6401         /* Calculate RDMAC_MODE setting early, we need it to determine
6402          * the RCVLPC_STATE_ENABLE mask.
6403          */
6404         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6405                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6406                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6407                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6408                       RDMAC_MODE_LNGREAD_ENAB);
6409
6410         /* If statement applies to 5705 and 5750 PCI devices only */
6411         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6412              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6413             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6414                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6415                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6416                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6417                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6418                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6419                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6420                 }
6421         }
6422
6423         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6424                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6425
6426         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6427                 rdmac_mode |= (1 << 27);
6428
6429         /* Receive/send statistics. */
6430         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6431                 val = tr32(RCVLPC_STATS_ENABLE);
6432                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6433                 tw32(RCVLPC_STATS_ENABLE, val);
6434         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6435                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6436                 val = tr32(RCVLPC_STATS_ENABLE);
6437                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6438                 tw32(RCVLPC_STATS_ENABLE, val);
6439         } else {
6440                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6441         }
6442         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6443         tw32(SNDDATAI_STATSENAB, 0xffffff);
6444         tw32(SNDDATAI_STATSCTRL,
6445              (SNDDATAI_SCTRL_ENABLE |
6446               SNDDATAI_SCTRL_FASTUPD));
6447
6448         /* Setup host coalescing engine. */
6449         tw32(HOSTCC_MODE, 0);
6450         for (i = 0; i < 2000; i++) {
6451                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6452                         break;
6453                 udelay(10);
6454         }
6455
6456         __tg3_set_coalesce(tp, &tp->coal);
6457
6458         /* set status block DMA address */
6459         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6460              ((u64) tp->status_mapping >> 32));
6461         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6462              ((u64) tp->status_mapping & 0xffffffff));
6463
6464         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6465                 /* Status/statistics block address.  See tg3_timer,
6466                  * the tg3_periodic_fetch_stats call there, and
6467                  * tg3_get_stats to see how this works for 5705/5750 chips.
6468                  */
6469                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6470                      ((u64) tp->stats_mapping >> 32));
6471                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6472                      ((u64) tp->stats_mapping & 0xffffffff));
6473                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6474                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6475         }
6476
6477         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6478
6479         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6480         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6481         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6482                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6483
6484         /* Clear statistics/status block in chip, and status block in ram. */
6485         for (i = NIC_SRAM_STATS_BLK;
6486              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6487              i += sizeof(u32)) {
6488                 tg3_write_mem(tp, i, 0);
6489                 udelay(40);
6490         }
6491         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6492
6493         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6494                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6495                 /* reset to prevent losing 1st rx packet intermittently */
6496                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6497                 udelay(10);
6498         }
6499
6500         tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6501                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6502         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6503             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6504             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
6505                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
6506         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6507         udelay(40);
6508
6509         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6510          * If TG3_FLG2_IS_NIC is zero, we should read the
6511          * register to preserve the GPIO settings for LOMs. The GPIOs,
6512          * whether used as inputs or outputs, are set by boot code after
6513          * reset.
6514          */
6515         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
6516                 u32 gpio_mask;
6517
6518                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6519                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6520                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
6521
6522                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6523                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6524                                      GRC_LCLCTRL_GPIO_OUTPUT3;
6525
6526                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6527                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6528
6529                 tp->grc_local_ctrl &= ~gpio_mask;
6530                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6531
6532                 /* GPIO1 must be driven high for eeprom write protect */
6533                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6534                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6535                                                GRC_LCLCTRL_GPIO_OUTPUT1);
6536         }
6537         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6538         udelay(100);
6539
6540         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6541         tp->last_tag = 0;
6542
6543         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6544                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6545                 udelay(40);
6546         }
6547
6548         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6549                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6550                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6551                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6552                WDMAC_MODE_LNGREAD_ENAB);
6553
6554         /* If statement applies to 5705 and 5750 PCI devices only */
6555         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6556              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6557             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6558                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6559                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6560                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6561                         /* nothing */
6562                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6563                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6564                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6565                         val |= WDMAC_MODE_RX_ACCEL;
6566                 }
6567         }
6568
6569         /* Enable host coalescing bug fix */
6570         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6571             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
6572                 val |= (1 << 29);
6573
6574         tw32_f(WDMAC_MODE, val);
6575         udelay(40);
6576
6577         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6578                 val = tr32(TG3PCI_X_CAPS);
6579                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6580                         val &= ~PCIX_CAPS_BURST_MASK;
6581                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6582                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6583                         val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6584                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6585                 }
6586                 tw32(TG3PCI_X_CAPS, val);
6587         }
6588
6589         tw32_f(RDMAC_MODE, rdmac_mode);
6590         udelay(40);
6591
6592         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6593         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6594                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6595         tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6596         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6597         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6598         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6599         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6600         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6601                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6602         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6603         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6604
6605         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6606                 err = tg3_load_5701_a0_firmware_fix(tp);
6607                 if (err)
6608                         return err;
6609         }
6610
6611         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6612                 err = tg3_load_tso_firmware(tp);
6613                 if (err)
6614                         return err;
6615         }
6616
6617         tp->tx_mode = TX_MODE_ENABLE;
6618         tw32_f(MAC_TX_MODE, tp->tx_mode);
6619         udelay(100);
6620
6621         tp->rx_mode = RX_MODE_ENABLE;
6622         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6623                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6624
6625         tw32_f(MAC_RX_MODE, tp->rx_mode);
6626         udelay(10);
6627
6628         if (tp->link_config.phy_is_low_power) {
6629                 tp->link_config.phy_is_low_power = 0;
6630                 tp->link_config.speed = tp->link_config.orig_speed;
6631                 tp->link_config.duplex = tp->link_config.orig_duplex;
6632                 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6633         }
6634
6635         tp->mi_mode = MAC_MI_MODE_BASE;
6636         tw32_f(MAC_MI_MODE, tp->mi_mode);
6637         udelay(80);
6638
6639         tw32(MAC_LED_CTRL, tp->led_ctrl);
6640
6641         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6642         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6643                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6644                 udelay(10);
6645         }
6646         tw32_f(MAC_RX_MODE, tp->rx_mode);
6647         udelay(10);
6648
6649         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6650                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6651                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6652                         /* Set drive transmission level to 1.2V  */
6653                         /* only if the signal pre-emphasis bit is not set  */
6654                         val = tr32(MAC_SERDES_CFG);
6655                         val &= 0xfffff000;
6656                         val |= 0x880;
6657                         tw32(MAC_SERDES_CFG, val);
6658                 }
6659                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6660                         tw32(MAC_SERDES_CFG, 0x616000);
6661         }
6662
6663         /* Prevent chip from dropping frames when flow control
6664          * is enabled.
6665          */
6666         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6667
6668         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6669             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6670                 /* Use hardware link auto-negotiation */
6671                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6672         }
6673
6674         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6675             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6676                 u32 tmp;
6677
6678                 tmp = tr32(SERDES_RX_CTRL);
6679                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6680                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6681                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6682                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6683         }
6684
6685         err = tg3_setup_phy(tp, 0);
6686         if (err)
6687                 return err;
6688
6689         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6690             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6691                 u32 tmp;
6692
6693                 /* Clear CRC stats. */
6694                 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6695                         tg3_writephy(tp, MII_TG3_TEST1,
6696                                      tmp | MII_TG3_TEST1_CRC_EN);
6697                         tg3_readphy(tp, 0x14, &tmp);
6698                 }
6699         }
6700
6701         __tg3_set_rx_mode(tp->dev);
6702
6703         /* Initialize receive rules. */
6704         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
6705         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6706         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
6707         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6708
6709         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6710             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6711                 limit = 8;
6712         else
6713                 limit = 16;
6714         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6715                 limit -= 4;
6716         switch (limit) {
6717         case 16:
6718                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
6719         case 15:
6720                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
6721         case 14:
6722                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
6723         case 13:
6724                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
6725         case 12:
6726                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
6727         case 11:
6728                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
6729         case 10:
6730                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
6731         case 9:
6732                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
6733         case 8:
6734                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
6735         case 7:
6736                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
6737         case 6:
6738                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
6739         case 5:
6740                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
6741         case 4:
6742                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
6743         case 3:
6744                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
6745         case 2:
6746         case 1:
6747
6748         default:
6749                 break;
6750         };
6751
6752         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6753
6754         return 0;
6755 }
6756
6757 /* Called at device open time to get the chip ready for
6758  * packet processing.  Invoked with tp->lock held.
6759  */
6760 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
6761 {
6762         int err;
6763
6764         /* Force the chip into D0. */
6765         err = tg3_set_power_state(tp, PCI_D0);
6766         if (err)
6767                 goto out;
6768
6769         tg3_switch_clocks(tp);
6770
6771         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6772
6773         err = tg3_reset_hw(tp, reset_phy);
6774
6775 out:
6776         return err;
6777 }
6778
6779 #define TG3_STAT_ADD32(PSTAT, REG) \
6780 do {    u32 __val = tr32(REG); \
6781         (PSTAT)->low += __val; \
6782         if ((PSTAT)->low < __val) \
6783                 (PSTAT)->high += 1; \
6784 } while (0)
6785
6786 static void tg3_periodic_fetch_stats(struct tg3 *tp)
6787 {
6788         struct tg3_hw_stats *sp = tp->hw_stats;
6789
6790         if (!netif_carrier_ok(tp->dev))
6791                 return;
6792
6793         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6794         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6795         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6796         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6797         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6798         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6799         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6800         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6801         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6802         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6803         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6804         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6805         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6806
6807         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6808         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6809         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6810         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6811         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6812         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6813         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6814         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6815         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6816         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6817         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6818         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6819         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6820         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6821
6822         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6823         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6824         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
6825 }
6826
6827 static void tg3_timer(unsigned long __opaque)
6828 {
6829         struct tg3 *tp = (struct tg3 *) __opaque;
6830
6831         if (tp->irq_sync)
6832                 goto restart_timer;
6833
6834         spin_lock(&tp->lock);
6835
6836         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6837                 /* All of this garbage is because when using non-tagged
6838                  * IRQ status the mailbox/status_block protocol the chip
6839                  * uses with the cpu is race prone.
6840                  */
6841                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6842                         tw32(GRC_LOCAL_CTRL,
6843                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6844                 } else {
6845                         tw32(HOSTCC_MODE, tp->coalesce_mode |
6846                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6847                 }
6848
6849                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6850                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
6851                         spin_unlock(&tp->lock);
6852                         schedule_work(&tp->reset_task);
6853                         return;
6854                 }
6855         }
6856
6857         /* This part only runs once per second. */
6858         if (!--tp->timer_counter) {
6859                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6860                         tg3_periodic_fetch_stats(tp);
6861
6862                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6863                         u32 mac_stat;
6864                         int phy_event;
6865
6866                         mac_stat = tr32(MAC_STATUS);
6867
6868                         phy_event = 0;
6869                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6870                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6871                                         phy_event = 1;
6872                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6873                                 phy_event = 1;
6874
6875                         if (phy_event)
6876                                 tg3_setup_phy(tp, 0);
6877                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6878                         u32 mac_stat = tr32(MAC_STATUS);
6879                         int need_setup = 0;
6880
6881                         if (netif_carrier_ok(tp->dev) &&
6882                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6883                                 need_setup = 1;
6884                         }
6885                         if (! netif_carrier_ok(tp->dev) &&
6886                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
6887                                          MAC_STATUS_SIGNAL_DET))) {
6888                                 need_setup = 1;
6889                         }
6890                         if (need_setup) {
6891                                 if (!tp->serdes_counter) {
6892                                         tw32_f(MAC_MODE,
6893                                              (tp->mac_mode &
6894                                               ~MAC_MODE_PORT_MODE_MASK));
6895                                         udelay(40);
6896                                         tw32_f(MAC_MODE, tp->mac_mode);
6897                                         udelay(40);
6898                                 }
6899                                 tg3_setup_phy(tp, 0);
6900                         }
6901                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6902                         tg3_serdes_parallel_detect(tp);
6903
6904                 tp->timer_counter = tp->timer_multiplier;
6905         }
6906
6907         /* Heartbeat is only sent once every 2 seconds.
6908          *
6909          * The heartbeat is to tell the ASF firmware that the host
6910          * driver is still alive.  In the event that the OS crashes,
6911          * ASF needs to reset the hardware to free up the FIFO space
6912          * that may be filled with rx packets destined for the host.
6913          * If the FIFO is full, ASF will no longer function properly.
6914          *
6915          * Unintended resets have been reported on real time kernels
6916          * where the timer doesn't run on time.  Netpoll will also have
6917          * same problem.
6918          *
6919          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6920          * to check the ring condition when the heartbeat is expiring
6921          * before doing the reset.  This will prevent most unintended
6922          * resets.
6923          */
6924         if (!--tp->asf_counter) {
6925                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6926                         u32 val;
6927
6928                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
6929                                       FWCMD_NICDRV_ALIVE3);
6930                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6931                         /* 5 seconds timeout */
6932                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
6933                         val = tr32(GRC_RX_CPU_EVENT);
6934                         val |= (1 << 14);
6935                         tw32(GRC_RX_CPU_EVENT, val);
6936                 }
6937                 tp->asf_counter = tp->asf_multiplier;
6938         }
6939
6940         spin_unlock(&tp->lock);
6941
6942 restart_timer:
6943         tp->timer.expires = jiffies + tp->timer_offset;
6944         add_timer(&tp->timer);
6945 }
6946
6947 static int tg3_request_irq(struct tg3 *tp)
6948 {
6949         irq_handler_t fn;
6950         unsigned long flags;
6951         struct net_device *dev = tp->dev;
6952
6953         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6954                 fn = tg3_msi;
6955                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6956                         fn = tg3_msi_1shot;
6957                 flags = IRQF_SAMPLE_RANDOM;
6958         } else {
6959                 fn = tg3_interrupt;
6960                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6961                         fn = tg3_interrupt_tagged;
6962                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
6963         }
6964         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6965 }
6966
6967 static int tg3_test_interrupt(struct tg3 *tp)
6968 {
6969         struct net_device *dev = tp->dev;
6970         int err, i, intr_ok = 0;
6971
6972         if (!netif_running(dev))
6973                 return -ENODEV;
6974
6975         tg3_disable_ints(tp);
6976
6977         free_irq(tp->pdev->irq, dev);
6978
6979         err = request_irq(tp->pdev->irq, tg3_test_isr,
6980                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
6981         if (err)
6982                 return err;
6983
6984         tp->hw_status->status &= ~SD_STATUS_UPDATED;
6985         tg3_enable_ints(tp);
6986
6987         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6988                HOSTCC_MODE_NOW);
6989
6990         for (i = 0; i < 5; i++) {
6991                 u32 int_mbox, misc_host_ctrl;
6992
6993                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6994                                         TG3_64BIT_REG_LOW);
6995                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6996
6997                 if ((int_mbox != 0) ||
6998                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6999                         intr_ok = 1;
7000                         break;
7001                 }
7002
7003                 msleep(10);
7004         }
7005
7006         tg3_disable_ints(tp);
7007
7008         free_irq(tp->pdev->irq, dev);
7009
7010         err = tg3_request_irq(tp);
7011
7012         if (err)
7013                 return err;
7014
7015         if (intr_ok)
7016                 return 0;
7017
7018         return -EIO;
7019 }
7020
7021 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7022  * successfully restored
7023  */
7024 static int tg3_test_msi(struct tg3 *tp)
7025 {
7026         struct net_device *dev = tp->dev;
7027         int err;
7028         u16 pci_cmd;
7029
7030         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7031                 return 0;
7032
7033         /* Turn off SERR reporting in case MSI terminates with Master
7034          * Abort.
7035          */
7036         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7037         pci_write_config_word(tp->pdev, PCI_COMMAND,
7038                               pci_cmd & ~PCI_COMMAND_SERR);
7039
7040         err = tg3_test_interrupt(tp);
7041
7042         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7043
7044         if (!err)
7045                 return 0;
7046
7047         /* other failures */
7048         if (err != -EIO)
7049                 return err;
7050
7051         /* MSI test failed, go back to INTx mode */
7052         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7053                "switching to INTx mode. Please report this failure to "
7054                "the PCI maintainer and include system chipset information.\n",
7055                        tp->dev->name);
7056
7057         free_irq(tp->pdev->irq, dev);
7058         pci_disable_msi(tp->pdev);
7059
7060         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7061
7062         err = tg3_request_irq(tp);
7063         if (err)
7064                 return err;
7065
7066         /* Need to reset the chip because the MSI cycle may have terminated
7067          * with Master Abort.
7068          */
7069         tg3_full_lock(tp, 1);
7070
7071         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7072         err = tg3_init_hw(tp, 1);
7073
7074         tg3_full_unlock(tp);
7075
7076         if (err)
7077                 free_irq(tp->pdev->irq, dev);
7078
7079         return err;
7080 }
7081
7082 static int tg3_open(struct net_device *dev)
7083 {
7084         struct tg3 *tp = netdev_priv(dev);
7085         int err;
7086
7087         netif_carrier_off(tp->dev);
7088
7089         tg3_full_lock(tp, 0);
7090
7091         err = tg3_set_power_state(tp, PCI_D0);
7092         if (err) {
7093                 tg3_full_unlock(tp);
7094                 return err;
7095         }
7096
7097         tg3_disable_ints(tp);
7098         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7099
7100         tg3_full_unlock(tp);
7101
7102         /* The placement of this call is tied
7103          * to the setup and use of Host TX descriptors.
7104          */
7105         err = tg3_alloc_consistent(tp);
7106         if (err)
7107                 return err;
7108
7109         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
7110                 /* All MSI supporting chips should support tagged
7111                  * status.  Assert that this is the case.
7112                  */
7113                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7114                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7115                                "Not using MSI.\n", tp->dev->name);
7116                 } else if (pci_enable_msi(tp->pdev) == 0) {
7117                         u32 msi_mode;
7118
7119                         /* Hardware bug - MSI won't work if INTX disabled. */
7120                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
7121                                 pci_intx(tp->pdev, 1);
7122
7123                         msi_mode = tr32(MSGINT_MODE);
7124                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7125                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7126                 }
7127         }
7128         err = tg3_request_irq(tp);
7129
7130         if (err) {
7131                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7132                         pci_disable_msi(tp->pdev);
7133                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7134                 }
7135                 tg3_free_consistent(tp);
7136                 return err;
7137         }
7138
7139         napi_enable(&tp->napi);
7140
7141         tg3_full_lock(tp, 0);
7142
7143         err = tg3_init_hw(tp, 1);
7144         if (err) {
7145                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7146                 tg3_free_rings(tp);
7147         } else {
7148                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7149                         tp->timer_offset = HZ;
7150                 else
7151                         tp->timer_offset = HZ / 10;
7152
7153                 BUG_ON(tp->timer_offset > HZ);
7154                 tp->timer_counter = tp->timer_multiplier =
7155                         (HZ / tp->timer_offset);
7156                 tp->asf_counter = tp->asf_multiplier =
7157                         ((HZ / tp->timer_offset) * 2);
7158
7159                 init_timer(&tp->timer);
7160                 tp->timer.expires = jiffies + tp->timer_offset;
7161                 tp->timer.data = (unsigned long) tp;
7162                 tp->timer.function = tg3_timer;
7163         }
7164
7165         tg3_full_unlock(tp);
7166
7167         if (err) {
7168                 napi_disable(&tp->napi);
7169                 free_irq(tp->pdev->irq, dev);
7170                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7171                         pci_disable_msi(tp->pdev);
7172                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7173                 }
7174                 tg3_free_consistent(tp);
7175                 return err;
7176         }
7177
7178         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7179                 err = tg3_test_msi(tp);
7180
7181                 if (err) {
7182                         tg3_full_lock(tp, 0);
7183
7184                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7185                                 pci_disable_msi(tp->pdev);
7186                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7187                         }
7188                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7189                         tg3_free_rings(tp);
7190                         tg3_free_consistent(tp);
7191
7192                         tg3_full_unlock(tp);
7193
7194                         napi_disable(&tp->napi);
7195
7196                         return err;
7197                 }
7198
7199                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7200                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7201                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7202
7203                                 tw32(PCIE_TRANSACTION_CFG,
7204                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7205                         }
7206                 }
7207         }
7208
7209         tg3_full_lock(tp, 0);
7210
7211         add_timer(&tp->timer);
7212         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7213         tg3_enable_ints(tp);
7214
7215         tg3_full_unlock(tp);
7216
7217         netif_start_queue(dev);
7218
7219         return 0;
7220 }
7221
7222 #if 0
7223 /*static*/ void tg3_dump_state(struct tg3 *tp)
7224 {
7225         u32 val32, val32_2, val32_3, val32_4, val32_5;
7226         u16 val16;
7227         int i;
7228
7229         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7230         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7231         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7232                val16, val32);
7233
7234         /* MAC block */
7235         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7236                tr32(MAC_MODE), tr32(MAC_STATUS));
7237         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7238                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7239         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7240                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7241         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7242                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7243
7244         /* Send data initiator control block */
7245         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7246                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7247         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7248                tr32(SNDDATAI_STATSCTRL));
7249
7250         /* Send data completion control block */
7251         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7252
7253         /* Send BD ring selector block */
7254         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7255                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7256
7257         /* Send BD initiator control block */
7258         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7259                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7260
7261         /* Send BD completion control block */
7262         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7263
7264         /* Receive list placement control block */
7265         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7266                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7267         printk("       RCVLPC_STATSCTRL[%08x]\n",
7268                tr32(RCVLPC_STATSCTRL));
7269
7270         /* Receive data and receive BD initiator control block */
7271         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7272                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7273
7274         /* Receive data completion control block */
7275         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7276                tr32(RCVDCC_MODE));
7277
7278         /* Receive BD initiator control block */
7279         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7280                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7281
7282         /* Receive BD completion control block */
7283         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7284                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7285
7286         /* Receive list selector control block */
7287         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7288                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7289
7290         /* Mbuf cluster free block */
7291         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7292                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7293
7294         /* Host coalescing control block */
7295         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7296                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7297         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7298                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7299                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7300         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7301                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7302                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7303         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7304                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7305         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7306                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7307
7308         /* Memory arbiter control block */
7309         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7310                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7311
7312         /* Buffer manager control block */
7313         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7314                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7315         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7316                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7317         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7318                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7319                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7320                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7321
7322         /* Read DMA control block */
7323         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7324                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7325
7326         /* Write DMA control block */
7327         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7328                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7329
7330         /* DMA completion block */
7331         printk("DEBUG: DMAC_MODE[%08x]\n",
7332                tr32(DMAC_MODE));
7333
7334         /* GRC block */
7335         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7336                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7337         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7338                tr32(GRC_LOCAL_CTRL));
7339
7340         /* TG3_BDINFOs */
7341         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7342                tr32(RCVDBDI_JUMBO_BD + 0x0),
7343                tr32(RCVDBDI_JUMBO_BD + 0x4),
7344                tr32(RCVDBDI_JUMBO_BD + 0x8),
7345                tr32(RCVDBDI_JUMBO_BD + 0xc));
7346         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7347                tr32(RCVDBDI_STD_BD + 0x0),
7348                tr32(RCVDBDI_STD_BD + 0x4),
7349                tr32(RCVDBDI_STD_BD + 0x8),
7350                tr32(RCVDBDI_STD_BD + 0xc));
7351         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7352                tr32(RCVDBDI_MINI_BD + 0x0),
7353                tr32(RCVDBDI_MINI_BD + 0x4),
7354                tr32(RCVDBDI_MINI_BD + 0x8),
7355                tr32(RCVDBDI_MINI_BD + 0xc));
7356
7357         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7358         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7359         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7360         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7361         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7362                val32, val32_2, val32_3, val32_4);
7363
7364         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7365         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7366         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7367         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7368         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7369                val32, val32_2, val32_3, val32_4);
7370
7371         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7372         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7373         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7374         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7375         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7376         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7377                val32, val32_2, val32_3, val32_4, val32_5);
7378
7379         /* SW status block */
7380         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7381                tp->hw_status->status,
7382                tp->hw_status->status_tag,
7383                tp->hw_status->rx_jumbo_consumer,
7384                tp->hw_status->rx_consumer,
7385                tp->hw_status->rx_mini_consumer,
7386                tp->hw_status->idx[0].rx_producer,
7387                tp->hw_status->idx[0].tx_consumer);
7388
7389         /* SW statistics block */
7390         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7391                ((u32 *)tp->hw_stats)[0],
7392                ((u32 *)tp->hw_stats)[1],
7393                ((u32 *)tp->hw_stats)[2],
7394                ((u32 *)tp->hw_stats)[3]);
7395
7396         /* Mailboxes */
7397         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7398                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7399                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7400                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7401                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7402
7403         /* NIC side send descriptors. */
7404         for (i = 0; i < 6; i++) {
7405                 unsigned long txd;
7406
7407                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7408                         + (i * sizeof(struct tg3_tx_buffer_desc));
7409                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7410                        i,
7411                        readl(txd + 0x0), readl(txd + 0x4),
7412                        readl(txd + 0x8), readl(txd + 0xc));
7413         }
7414
7415         /* NIC side RX descriptors. */
7416         for (i = 0; i < 6; i++) {
7417                 unsigned long rxd;
7418
7419                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7420                         + (i * sizeof(struct tg3_rx_buffer_desc));
7421                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7422                        i,
7423                        readl(rxd + 0x0), readl(rxd + 0x4),
7424                        readl(rxd + 0x8), readl(rxd + 0xc));
7425                 rxd += (4 * sizeof(u32));
7426                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7427                        i,
7428                        readl(rxd + 0x0), readl(rxd + 0x4),
7429                        readl(rxd + 0x8), readl(rxd + 0xc));
7430         }
7431
7432         for (i = 0; i < 6; i++) {
7433                 unsigned long rxd;
7434
7435                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7436                         + (i * sizeof(struct tg3_rx_buffer_desc));
7437                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7438                        i,
7439                        readl(rxd + 0x0), readl(rxd + 0x4),
7440                        readl(rxd + 0x8), readl(rxd + 0xc));
7441                 rxd += (4 * sizeof(u32));
7442                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7443                        i,
7444                        readl(rxd + 0x0), readl(rxd + 0x4),
7445                        readl(rxd + 0x8), readl(rxd + 0xc));
7446         }
7447 }
7448 #endif
7449
7450 static struct net_device_stats *tg3_get_stats(struct net_device *);
7451 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7452
7453 static int tg3_close(struct net_device *dev)
7454 {
7455         struct tg3 *tp = netdev_priv(dev);
7456
7457         napi_disable(&tp->napi);
7458         cancel_work_sync(&tp->reset_task);
7459
7460         netif_stop_queue(dev);
7461
7462         del_timer_sync(&tp->timer);
7463
7464         tg3_full_lock(tp, 1);
7465 #if 0
7466         tg3_dump_state(tp);
7467 #endif
7468
7469         tg3_disable_ints(tp);
7470
7471         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7472         tg3_free_rings(tp);
7473         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7474
7475         tg3_full_unlock(tp);
7476
7477         free_irq(tp->pdev->irq, dev);
7478         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7479                 pci_disable_msi(tp->pdev);
7480                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7481         }
7482
7483         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7484                sizeof(tp->net_stats_prev));
7485         memcpy(&tp->estats_prev, tg3_get_estats(tp),
7486                sizeof(tp->estats_prev));
7487
7488         tg3_free_consistent(tp);
7489
7490         tg3_set_power_state(tp, PCI_D3hot);
7491
7492         netif_carrier_off(tp->dev);
7493
7494         return 0;
7495 }
7496
7497 static inline unsigned long get_stat64(tg3_stat64_t *val)
7498 {
7499         unsigned long ret;
7500
7501 #if (BITS_PER_LONG == 32)
7502         ret = val->low;
7503 #else
7504         ret = ((u64)val->high << 32) | ((u64)val->low);
7505 #endif
7506         return ret;
7507 }
7508
7509 static unsigned long calc_crc_errors(struct tg3 *tp)
7510 {
7511         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7512
7513         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7514             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7515              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7516                 u32 val;
7517
7518                 spin_lock_bh(&tp->lock);
7519                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7520                         tg3_writephy(tp, MII_TG3_TEST1,
7521                                      val | MII_TG3_TEST1_CRC_EN);
7522                         tg3_readphy(tp, 0x14, &val);
7523                 } else
7524                         val = 0;
7525                 spin_unlock_bh(&tp->lock);
7526
7527                 tp->phy_crc_errors += val;
7528
7529                 return tp->phy_crc_errors;
7530         }
7531
7532         return get_stat64(&hw_stats->rx_fcs_errors);
7533 }
7534
7535 #define ESTAT_ADD(member) \
7536         estats->member =        old_estats->member + \
7537                                 get_stat64(&hw_stats->member)
7538
7539 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7540 {
7541         struct tg3_ethtool_stats *estats = &tp->estats;
7542         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7543         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7544
7545         if (!hw_stats)
7546                 return old_estats;
7547
7548         ESTAT_ADD(rx_octets);
7549         ESTAT_ADD(rx_fragments);
7550         ESTAT_ADD(rx_ucast_packets);
7551         ESTAT_ADD(rx_mcast_packets);
7552         ESTAT_ADD(rx_bcast_packets);
7553         ESTAT_ADD(rx_fcs_errors);
7554         ESTAT_ADD(rx_align_errors);
7555         ESTAT_ADD(rx_xon_pause_rcvd);
7556         ESTAT_ADD(rx_xoff_pause_rcvd);
7557         ESTAT_ADD(rx_mac_ctrl_rcvd);
7558         ESTAT_ADD(rx_xoff_entered);
7559         ESTAT_ADD(rx_frame_too_long_errors);
7560         ESTAT_ADD(rx_jabbers);
7561         ESTAT_ADD(rx_undersize_packets);
7562         ESTAT_ADD(rx_in_length_errors);
7563         ESTAT_ADD(rx_out_length_errors);
7564         ESTAT_ADD(rx_64_or_less_octet_packets);
7565         ESTAT_ADD(rx_65_to_127_octet_packets);
7566         ESTAT_ADD(rx_128_to_255_octet_packets);
7567         ESTAT_ADD(rx_256_to_511_octet_packets);
7568         ESTAT_ADD(rx_512_to_1023_octet_packets);
7569         ESTAT_ADD(rx_1024_to_1522_octet_packets);
7570         ESTAT_ADD(rx_1523_to_2047_octet_packets);
7571         ESTAT_ADD(rx_2048_to_4095_octet_packets);
7572         ESTAT_ADD(rx_4096_to_8191_octet_packets);
7573         ESTAT_ADD(rx_8192_to_9022_octet_packets);
7574
7575         ESTAT_ADD(tx_octets);
7576         ESTAT_ADD(tx_collisions);
7577         ESTAT_ADD(tx_xon_sent);
7578         ESTAT_ADD(tx_xoff_sent);
7579         ESTAT_ADD(tx_flow_control);
7580         ESTAT_ADD(tx_mac_errors);
7581         ESTAT_ADD(tx_single_collisions);
7582         ESTAT_ADD(tx_mult_collisions);
7583         ESTAT_ADD(tx_deferred);
7584         ESTAT_ADD(tx_excessive_collisions);
7585         ESTAT_ADD(tx_late_collisions);
7586         ESTAT_ADD(tx_collide_2times);
7587         ESTAT_ADD(tx_collide_3times);
7588         ESTAT_ADD(tx_collide_4times);
7589         ESTAT_ADD(tx_collide_5times);
7590         ESTAT_ADD(tx_collide_6times);
7591         ESTAT_ADD(tx_collide_7times);
7592         ESTAT_ADD(tx_collide_8times);
7593         ESTAT_ADD(tx_collide_9times);
7594         ESTAT_ADD(tx_collide_10times);
7595         ESTAT_ADD(tx_collide_11times);
7596         ESTAT_ADD(tx_collide_12times);
7597         ESTAT_ADD(tx_collide_13times);
7598         ESTAT_ADD(tx_collide_14times);
7599         ESTAT_ADD(tx_collide_15times);
7600         ESTAT_ADD(tx_ucast_packets);
7601         ESTAT_ADD(tx_mcast_packets);
7602         ESTAT_ADD(tx_bcast_packets);
7603         ESTAT_ADD(tx_carrier_sense_errors);
7604         ESTAT_ADD(tx_discards);
7605         ESTAT_ADD(tx_errors);
7606
7607         ESTAT_ADD(dma_writeq_full);
7608         ESTAT_ADD(dma_write_prioq_full);
7609         ESTAT_ADD(rxbds_empty);
7610         ESTAT_ADD(rx_discards);
7611         ESTAT_ADD(rx_errors);
7612         ESTAT_ADD(rx_threshold_hit);
7613
7614         ESTAT_ADD(dma_readq_full);
7615         ESTAT_ADD(dma_read_prioq_full);
7616         ESTAT_ADD(tx_comp_queue_full);
7617
7618         ESTAT_ADD(ring_set_send_prod_index);
7619         ESTAT_ADD(ring_status_update);
7620         ESTAT_ADD(nic_irqs);
7621         ESTAT_ADD(nic_avoided_irqs);
7622         ESTAT_ADD(nic_tx_threshold_hit);
7623
7624         return estats;
7625 }
7626
7627 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7628 {
7629         struct tg3 *tp = netdev_priv(dev);
7630         struct net_device_stats *stats = &tp->net_stats;
7631         struct net_device_stats *old_stats = &tp->net_stats_prev;
7632         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7633
7634         if (!hw_stats)
7635                 return old_stats;
7636
7637         stats->rx_packets = old_stats->rx_packets +
7638                 get_stat64(&hw_stats->rx_ucast_packets) +
7639                 get_stat64(&hw_stats->rx_mcast_packets) +
7640                 get_stat64(&hw_stats->rx_bcast_packets);
7641
7642         stats->tx_packets = old_stats->tx_packets +
7643                 get_stat64(&hw_stats->tx_ucast_packets) +
7644                 get_stat64(&hw_stats->tx_mcast_packets) +
7645                 get_stat64(&hw_stats->tx_bcast_packets);
7646
7647         stats->rx_bytes = old_stats->rx_bytes +
7648                 get_stat64(&hw_stats->rx_octets);
7649         stats->tx_bytes = old_stats->tx_bytes +
7650                 get_stat64(&hw_stats->tx_octets);
7651
7652         stats->rx_errors = old_stats->rx_errors +
7653                 get_stat64(&hw_stats->rx_errors);
7654         stats->tx_errors = old_stats->tx_errors +
7655                 get_stat64(&hw_stats->tx_errors) +
7656                 get_stat64(&hw_stats->tx_mac_errors) +
7657                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7658                 get_stat64(&hw_stats->tx_discards);
7659
7660         stats->multicast = old_stats->multicast +
7661                 get_stat64(&hw_stats->rx_mcast_packets);
7662         stats->collisions = old_stats->collisions +
7663                 get_stat64(&hw_stats->tx_collisions);
7664
7665         stats->rx_length_errors = old_stats->rx_length_errors +
7666                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7667                 get_stat64(&hw_stats->rx_undersize_packets);
7668
7669         stats->rx_over_errors = old_stats->rx_over_errors +
7670                 get_stat64(&hw_stats->rxbds_empty);
7671         stats->rx_frame_errors = old_stats->rx_frame_errors +
7672                 get_stat64(&hw_stats->rx_align_errors);
7673         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7674                 get_stat64(&hw_stats->tx_discards);
7675         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7676                 get_stat64(&hw_stats->tx_carrier_sense_errors);
7677
7678         stats->rx_crc_errors = old_stats->rx_crc_errors +
7679                 calc_crc_errors(tp);
7680
7681         stats->rx_missed_errors = old_stats->rx_missed_errors +
7682                 get_stat64(&hw_stats->rx_discards);
7683
7684         return stats;
7685 }
7686
7687 static inline u32 calc_crc(unsigned char *buf, int len)
7688 {
7689         u32 reg;
7690         u32 tmp;
7691         int j, k;
7692
7693         reg = 0xffffffff;
7694
7695         for (j = 0; j < len; j++) {
7696                 reg ^= buf[j];
7697
7698                 for (k = 0; k < 8; k++) {
7699                         tmp = reg & 0x01;
7700
7701                         reg >>= 1;
7702
7703                         if (tmp) {
7704                                 reg ^= 0xedb88320;
7705                         }
7706                 }
7707         }
7708
7709         return ~reg;
7710 }
7711
7712 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7713 {
7714         /* accept or reject all multicast frames */
7715         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7716         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7717         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7718         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7719 }
7720
7721 static void __tg3_set_rx_mode(struct net_device *dev)
7722 {
7723         struct tg3 *tp = netdev_priv(dev);
7724         u32 rx_mode;
7725
7726         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7727                                   RX_MODE_KEEP_VLAN_TAG);
7728
7729         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7730          * flag clear.
7731          */
7732 #if TG3_VLAN_TAG_USED
7733         if (!tp->vlgrp &&
7734             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7735                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7736 #else
7737         /* By definition, VLAN is disabled always in this
7738          * case.
7739          */
7740         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7741                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7742 #endif
7743
7744         if (dev->flags & IFF_PROMISC) {
7745                 /* Promiscuous mode. */
7746                 rx_mode |= RX_MODE_PROMISC;
7747         } else if (dev->flags & IFF_ALLMULTI) {
7748                 /* Accept all multicast. */
7749                 tg3_set_multi (tp, 1);
7750         } else if (dev->mc_count < 1) {
7751                 /* Reject all multicast. */
7752                 tg3_set_multi (tp, 0);
7753         } else {
7754                 /* Accept one or more multicast(s). */
7755                 struct dev_mc_list *mclist;
7756                 unsigned int i;
7757                 u32 mc_filter[4] = { 0, };
7758                 u32 regidx;
7759                 u32 bit;
7760                 u32 crc;
7761
7762                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7763                      i++, mclist = mclist->next) {
7764
7765                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7766                         bit = ~crc & 0x7f;
7767                         regidx = (bit & 0x60) >> 5;
7768                         bit &= 0x1f;
7769                         mc_filter[regidx] |= (1 << bit);
7770                 }
7771
7772                 tw32(MAC_HASH_REG_0, mc_filter[0]);
7773                 tw32(MAC_HASH_REG_1, mc_filter[1]);
7774                 tw32(MAC_HASH_REG_2, mc_filter[2]);
7775                 tw32(MAC_HASH_REG_3, mc_filter[3]);
7776         }
7777
7778         if (rx_mode != tp->rx_mode) {
7779                 tp->rx_mode = rx_mode;
7780                 tw32_f(MAC_RX_MODE, rx_mode);
7781                 udelay(10);
7782         }
7783 }
7784
7785 static void tg3_set_rx_mode(struct net_device *dev)
7786 {
7787         struct tg3 *tp = netdev_priv(dev);
7788
7789         if (!netif_running(dev))
7790                 return;
7791
7792         tg3_full_lock(tp, 0);
7793         __tg3_set_rx_mode(dev);
7794         tg3_full_unlock(tp);
7795 }
7796
7797 #define TG3_REGDUMP_LEN         (32 * 1024)
7798
7799 static int tg3_get_regs_len(struct net_device *dev)
7800 {
7801         return TG3_REGDUMP_LEN;
7802 }
7803
7804 static void tg3_get_regs(struct net_device *dev,
7805                 struct ethtool_regs *regs, void *_p)
7806 {
7807         u32 *p = _p;
7808         struct tg3 *tp = netdev_priv(dev);
7809         u8 *orig_p = _p;
7810         int i;
7811
7812         regs->version = 0;
7813
7814         memset(p, 0, TG3_REGDUMP_LEN);
7815
7816         if (tp->link_config.phy_is_low_power)
7817                 return;
7818
7819         tg3_full_lock(tp, 0);
7820
7821 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
7822 #define GET_REG32_LOOP(base,len)                \
7823 do {    p = (u32 *)(orig_p + (base));           \
7824         for (i = 0; i < len; i += 4)            \
7825                 __GET_REG32((base) + i);        \
7826 } while (0)
7827 #define GET_REG32_1(reg)                        \
7828 do {    p = (u32 *)(orig_p + (reg));            \
7829         __GET_REG32((reg));                     \
7830 } while (0)
7831
7832         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7833         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7834         GET_REG32_LOOP(MAC_MODE, 0x4f0);
7835         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7836         GET_REG32_1(SNDDATAC_MODE);
7837         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7838         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7839         GET_REG32_1(SNDBDC_MODE);
7840         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7841         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7842         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7843         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7844         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7845         GET_REG32_1(RCVDCC_MODE);
7846         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7847         GET_REG32_LOOP(RCVCC_MODE, 0x14);
7848         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7849         GET_REG32_1(MBFREE_MODE);
7850         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7851         GET_REG32_LOOP(MEMARB_MODE, 0x10);
7852         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7853         GET_REG32_LOOP(RDMAC_MODE, 0x08);
7854         GET_REG32_LOOP(WDMAC_MODE, 0x08);
7855         GET_REG32_1(RX_CPU_MODE);
7856         GET_REG32_1(RX_CPU_STATE);
7857         GET_REG32_1(RX_CPU_PGMCTR);
7858         GET_REG32_1(RX_CPU_HWBKPT);
7859         GET_REG32_1(TX_CPU_MODE);
7860         GET_REG32_1(TX_CPU_STATE);
7861         GET_REG32_1(TX_CPU_PGMCTR);
7862         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7863         GET_REG32_LOOP(FTQ_RESET, 0x120);
7864         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7865         GET_REG32_1(DMAC_MODE);
7866         GET_REG32_LOOP(GRC_MODE, 0x4c);
7867         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7868                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7869
7870 #undef __GET_REG32
7871 #undef GET_REG32_LOOP
7872 #undef GET_REG32_1
7873
7874         tg3_full_unlock(tp);
7875 }
7876
7877 static int tg3_get_eeprom_len(struct net_device *dev)
7878 {
7879         struct tg3 *tp = netdev_priv(dev);
7880
7881         return tp->nvram_size;
7882 }
7883
7884 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7885 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
7886
7887 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7888 {
7889         struct tg3 *tp = netdev_priv(dev);
7890         int ret;
7891         u8  *pd;
7892         u32 i, offset, len, val, b_offset, b_count;
7893
7894         if (tp->link_config.phy_is_low_power)
7895                 return -EAGAIN;
7896
7897         offset = eeprom->offset;
7898         len = eeprom->len;
7899         eeprom->len = 0;
7900
7901         eeprom->magic = TG3_EEPROM_MAGIC;
7902
7903         if (offset & 3) {
7904                 /* adjustments to start on required 4 byte boundary */
7905                 b_offset = offset & 3;
7906                 b_count = 4 - b_offset;
7907                 if (b_count > len) {
7908                         /* i.e. offset=1 len=2 */
7909                         b_count = len;
7910                 }
7911                 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7912                 if (ret)
7913                         return ret;
7914                 val = cpu_to_le32(val);
7915                 memcpy(data, ((char*)&val) + b_offset, b_count);
7916                 len -= b_count;
7917                 offset += b_count;
7918                 eeprom->len += b_count;
7919         }
7920
7921         /* read bytes upto the last 4 byte boundary */
7922         pd = &data[eeprom->len];
7923         for (i = 0; i < (len - (len & 3)); i += 4) {
7924                 ret = tg3_nvram_read(tp, offset + i, &val);
7925                 if (ret) {
7926                         eeprom->len += i;
7927                         return ret;
7928                 }
7929                 val = cpu_to_le32(val);
7930                 memcpy(pd + i, &val, 4);
7931         }
7932         eeprom->len += i;
7933
7934         if (len & 3) {
7935                 /* read last bytes not ending on 4 byte boundary */
7936                 pd = &data[eeprom->len];
7937                 b_count = len & 3;
7938                 b_offset = offset + len - b_count;
7939                 ret = tg3_nvram_read(tp, b_offset, &val);
7940                 if (ret)
7941                         return ret;
7942                 val = cpu_to_le32(val);
7943                 memcpy(pd, ((char*)&val), b_count);
7944                 eeprom->len += b_count;
7945         }
7946         return 0;
7947 }
7948
7949 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7950
7951 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7952 {
7953         struct tg3 *tp = netdev_priv(dev);
7954         int ret;
7955         u32 offset, len, b_offset, odd_len, start, end;
7956         u8 *buf;
7957
7958         if (tp->link_config.phy_is_low_power)
7959                 return -EAGAIN;
7960
7961         if (eeprom->magic != TG3_EEPROM_MAGIC)
7962                 return -EINVAL;
7963
7964         offset = eeprom->offset;
7965         len = eeprom->len;
7966
7967         if ((b_offset = (offset & 3))) {
7968                 /* adjustments to start on required 4 byte boundary */
7969                 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7970                 if (ret)
7971                         return ret;
7972                 start = cpu_to_le32(start);
7973                 len += b_offset;
7974                 offset &= ~3;
7975                 if (len < 4)
7976                         len = 4;
7977         }
7978
7979         odd_len = 0;
7980         if (len & 3) {
7981                 /* adjustments to end on required 4 byte boundary */
7982                 odd_len = 1;
7983                 len = (len + 3) & ~3;
7984                 ret = tg3_nvram_read(tp, offset+len-4, &end);
7985                 if (ret)
7986                         return ret;
7987                 end = cpu_to_le32(end);
7988         }
7989
7990         buf = data;
7991         if (b_offset || odd_len) {
7992                 buf = kmalloc(len, GFP_KERNEL);
7993                 if (!buf)
7994                         return -ENOMEM;
7995                 if (b_offset)
7996                         memcpy(buf, &start, 4);
7997                 if (odd_len)
7998                         memcpy(buf+len-4, &end, 4);
7999                 memcpy(buf + b_offset, data, eeprom->len);
8000         }
8001
8002         ret = tg3_nvram_write_block(tp, offset, len, buf);
8003
8004         if (buf != data)
8005                 kfree(buf);
8006
8007         return ret;
8008 }
8009
8010 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8011 {
8012         struct tg3 *tp = netdev_priv(dev);
8013
8014         cmd->supported = (SUPPORTED_Autoneg);
8015
8016         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8017                 cmd->supported |= (SUPPORTED_1000baseT_Half |
8018                                    SUPPORTED_1000baseT_Full);
8019
8020         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8021                 cmd->supported |= (SUPPORTED_100baseT_Half |
8022                                   SUPPORTED_100baseT_Full |
8023                                   SUPPORTED_10baseT_Half |
8024                                   SUPPORTED_10baseT_Full |
8025                                   SUPPORTED_MII);
8026                 cmd->port = PORT_TP;
8027         } else {
8028                 cmd->supported |= SUPPORTED_FIBRE;
8029                 cmd->port = PORT_FIBRE;
8030         }
8031
8032         cmd->advertising = tp->link_config.advertising;
8033         if (netif_running(dev)) {
8034                 cmd->speed = tp->link_config.active_speed;
8035                 cmd->duplex = tp->link_config.active_duplex;
8036         }
8037         cmd->phy_address = PHY_ADDR;
8038         cmd->transceiver = 0;
8039         cmd->autoneg = tp->link_config.autoneg;
8040         cmd->maxtxpkt = 0;
8041         cmd->maxrxpkt = 0;
8042         return 0;
8043 }
8044
8045 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8046 {
8047         struct tg3 *tp = netdev_priv(dev);
8048
8049         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
8050                 /* These are the only valid advertisement bits allowed.  */
8051                 if (cmd->autoneg == AUTONEG_ENABLE &&
8052                     (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
8053                                           ADVERTISED_1000baseT_Full |
8054                                           ADVERTISED_Autoneg |
8055                                           ADVERTISED_FIBRE)))
8056                         return -EINVAL;
8057                 /* Fiber can only do SPEED_1000.  */
8058                 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8059                          (cmd->speed != SPEED_1000))
8060                         return -EINVAL;
8061         /* Copper cannot force SPEED_1000.  */
8062         } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8063                    (cmd->speed == SPEED_1000))
8064                 return -EINVAL;
8065         else if ((cmd->speed == SPEED_1000) &&
8066                  (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8067                 return -EINVAL;
8068
8069         tg3_full_lock(tp, 0);
8070
8071         tp->link_config.autoneg = cmd->autoneg;
8072         if (cmd->autoneg == AUTONEG_ENABLE) {
8073                 tp->link_config.advertising = cmd->advertising;
8074                 tp->link_config.speed = SPEED_INVALID;
8075                 tp->link_config.duplex = DUPLEX_INVALID;
8076         } else {
8077                 tp->link_config.advertising = 0;
8078                 tp->link_config.speed = cmd->speed;
8079                 tp->link_config.duplex = cmd->duplex;
8080         }
8081
8082         tp->link_config.orig_speed = tp->link_config.speed;
8083         tp->link_config.orig_duplex = tp->link_config.duplex;
8084         tp->link_config.orig_autoneg = tp->link_config.autoneg;
8085
8086         if (netif_running(dev))
8087                 tg3_setup_phy(tp, 1);
8088
8089         tg3_full_unlock(tp);
8090
8091         return 0;
8092 }
8093
8094 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8095 {
8096         struct tg3 *tp = netdev_priv(dev);
8097
8098         strcpy(info->driver, DRV_MODULE_NAME);
8099         strcpy(info->version, DRV_MODULE_VERSION);
8100         strcpy(info->fw_version, tp->fw_ver);
8101         strcpy(info->bus_info, pci_name(tp->pdev));
8102 }
8103
8104 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8105 {
8106         struct tg3 *tp = netdev_priv(dev);
8107
8108         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
8109                 wol->supported = WAKE_MAGIC;
8110         else
8111                 wol->supported = 0;
8112         wol->wolopts = 0;
8113         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8114                 wol->wolopts = WAKE_MAGIC;
8115         memset(&wol->sopass, 0, sizeof(wol->sopass));
8116 }
8117
8118 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8119 {
8120         struct tg3 *tp = netdev_priv(dev);
8121
8122         if (wol->wolopts & ~WAKE_MAGIC)
8123                 return -EINVAL;
8124         if ((wol->wolopts & WAKE_MAGIC) &&
8125             !(tp->tg3_flags & TG3_FLAG_WOL_CAP))
8126                 return -EINVAL;
8127
8128         spin_lock_bh(&tp->lock);
8129         if (wol->wolopts & WAKE_MAGIC)
8130                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8131         else
8132                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8133         spin_unlock_bh(&tp->lock);
8134
8135         return 0;
8136 }
8137
8138 static u32 tg3_get_msglevel(struct net_device *dev)
8139 {
8140         struct tg3 *tp = netdev_priv(dev);
8141         return tp->msg_enable;
8142 }
8143
8144 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8145 {
8146         struct tg3 *tp = netdev_priv(dev);
8147         tp->msg_enable = value;
8148 }
8149
8150 static int tg3_set_tso(struct net_device *dev, u32 value)
8151 {
8152         struct tg3 *tp = netdev_priv(dev);
8153
8154         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8155                 if (value)
8156                         return -EINVAL;
8157                 return 0;
8158         }
8159         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8160             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8161                 if (value)
8162                         dev->features |= NETIF_F_TSO6;
8163                 else
8164                         dev->features &= ~NETIF_F_TSO6;
8165         }
8166         return ethtool_op_set_tso(dev, value);
8167 }
8168
8169 static int tg3_nway_reset(struct net_device *dev)
8170 {
8171         struct tg3 *tp = netdev_priv(dev);
8172         u32 bmcr;
8173         int r;
8174
8175         if (!netif_running(dev))
8176                 return -EAGAIN;
8177
8178         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8179                 return -EINVAL;
8180
8181         spin_lock_bh(&tp->lock);
8182         r = -EINVAL;
8183         tg3_readphy(tp, MII_BMCR, &bmcr);
8184         if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8185             ((bmcr & BMCR_ANENABLE) ||
8186              (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8187                 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8188                                            BMCR_ANENABLE);
8189                 r = 0;
8190         }
8191         spin_unlock_bh(&tp->lock);
8192
8193         return r;
8194 }
8195
8196 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8197 {
8198         struct tg3 *tp = netdev_priv(dev);
8199
8200         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8201         ering->rx_mini_max_pending = 0;
8202         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8203                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8204         else
8205                 ering->rx_jumbo_max_pending = 0;
8206
8207         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8208
8209         ering->rx_pending = tp->rx_pending;
8210         ering->rx_mini_pending = 0;
8211         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8212                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8213         else
8214                 ering->rx_jumbo_pending = 0;
8215
8216         ering->tx_pending = tp->tx_pending;
8217 }
8218
8219 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8220 {
8221         struct tg3 *tp = netdev_priv(dev);
8222         int irq_sync = 0, err = 0;
8223
8224         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8225             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8226             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8227             (ering->tx_pending <= MAX_SKB_FRAGS) ||
8228             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
8229              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8230                 return -EINVAL;
8231
8232         if (netif_running(dev)) {
8233                 tg3_netif_stop(tp);
8234                 irq_sync = 1;
8235         }
8236
8237         tg3_full_lock(tp, irq_sync);
8238
8239         tp->rx_pending = ering->rx_pending;
8240
8241         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8242             tp->rx_pending > 63)
8243                 tp->rx_pending = 63;
8244         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8245         tp->tx_pending = ering->tx_pending;
8246
8247         if (netif_running(dev)) {
8248                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8249                 err = tg3_restart_hw(tp, 1);
8250                 if (!err)
8251                         tg3_netif_start(tp);
8252         }
8253
8254         tg3_full_unlock(tp);
8255
8256         return err;
8257 }
8258
8259 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8260 {
8261         struct tg3 *tp = netdev_priv(dev);
8262
8263         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8264         epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8265         epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8266 }
8267
8268 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8269 {
8270         struct tg3 *tp = netdev_priv(dev);
8271         int irq_sync = 0, err = 0;
8272
8273         if (netif_running(dev)) {
8274                 tg3_netif_stop(tp);
8275                 irq_sync = 1;
8276         }
8277
8278         tg3_full_lock(tp, irq_sync);
8279
8280         if (epause->autoneg)
8281                 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8282         else
8283                 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8284         if (epause->rx_pause)
8285                 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8286         else
8287                 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8288         if (epause->tx_pause)
8289                 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8290         else
8291                 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8292
8293         if (netif_running(dev)) {
8294                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8295                 err = tg3_restart_hw(tp, 1);
8296                 if (!err)
8297                         tg3_netif_start(tp);
8298         }
8299
8300         tg3_full_unlock(tp);
8301
8302         return err;
8303 }
8304
8305 static u32 tg3_get_rx_csum(struct net_device *dev)
8306 {
8307         struct tg3 *tp = netdev_priv(dev);
8308         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8309 }
8310
8311 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8312 {
8313         struct tg3 *tp = netdev_priv(dev);
8314
8315         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8316                 if (data != 0)
8317                         return -EINVAL;
8318                 return 0;
8319         }
8320
8321         spin_lock_bh(&tp->lock);
8322         if (data)
8323                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8324         else
8325                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8326         spin_unlock_bh(&tp->lock);
8327
8328         return 0;
8329 }
8330
8331 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8332 {
8333         struct tg3 *tp = netdev_priv(dev);
8334
8335         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8336                 if (data != 0)
8337                         return -EINVAL;
8338                 return 0;
8339         }
8340
8341         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8342             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8343                 ethtool_op_set_tx_ipv6_csum(dev, data);
8344         else
8345                 ethtool_op_set_tx_csum(dev, data);
8346
8347         return 0;
8348 }
8349
8350 static int tg3_get_stats_count (struct net_device *dev)
8351 {
8352         return TG3_NUM_STATS;
8353 }
8354
8355 static int tg3_get_test_count (struct net_device *dev)
8356 {
8357         return TG3_NUM_TEST;
8358 }
8359
8360 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8361 {
8362         switch (stringset) {
8363         case ETH_SS_STATS:
8364                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8365                 break;
8366         case ETH_SS_TEST:
8367                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8368                 break;
8369         default:
8370                 WARN_ON(1);     /* we need a WARN() */
8371                 break;
8372         }
8373 }
8374
8375 static int tg3_phys_id(struct net_device *dev, u32 data)
8376 {
8377         struct tg3 *tp = netdev_priv(dev);
8378         int i;
8379
8380         if (!netif_running(tp->dev))
8381                 return -EAGAIN;
8382
8383         if (data == 0)
8384                 data = 2;
8385
8386         for (i = 0; i < (data * 2); i++) {
8387                 if ((i % 2) == 0)
8388                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8389                                            LED_CTRL_1000MBPS_ON |
8390                                            LED_CTRL_100MBPS_ON |
8391                                            LED_CTRL_10MBPS_ON |
8392                                            LED_CTRL_TRAFFIC_OVERRIDE |
8393                                            LED_CTRL_TRAFFIC_BLINK |
8394                                            LED_CTRL_TRAFFIC_LED);
8395
8396                 else
8397                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8398                                            LED_CTRL_TRAFFIC_OVERRIDE);
8399
8400                 if (msleep_interruptible(500))
8401                         break;
8402         }
8403         tw32(MAC_LED_CTRL, tp->led_ctrl);
8404         return 0;
8405 }
8406
8407 static void tg3_get_ethtool_stats (struct net_device *dev,
8408                                    struct ethtool_stats *estats, u64 *tmp_stats)
8409 {
8410         struct tg3 *tp = netdev_priv(dev);
8411         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8412 }
8413
8414 #define NVRAM_TEST_SIZE 0x100
8415 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8416 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8417 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8418
8419 static int tg3_test_nvram(struct tg3 *tp)
8420 {
8421         u32 *buf, csum, magic;
8422         int i, j, k, err = 0, size;
8423
8424         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8425                 return -EIO;
8426
8427         if (magic == TG3_EEPROM_MAGIC)
8428                 size = NVRAM_TEST_SIZE;
8429         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8430                 if ((magic & 0xe00000) == 0x200000)
8431                         size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8432                 else
8433                         return 0;
8434         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8435                 size = NVRAM_SELFBOOT_HW_SIZE;
8436         else
8437                 return -EIO;
8438
8439         buf = kmalloc(size, GFP_KERNEL);
8440         if (buf == NULL)
8441                 return -ENOMEM;
8442
8443         err = -EIO;
8444         for (i = 0, j = 0; i < size; i += 4, j++) {
8445                 u32 val;
8446
8447                 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8448                         break;
8449                 buf[j] = cpu_to_le32(val);
8450         }
8451         if (i < size)
8452                 goto out;
8453
8454         /* Selfboot format */
8455         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8456             TG3_EEPROM_MAGIC_FW) {
8457                 u8 *buf8 = (u8 *) buf, csum8 = 0;
8458
8459                 for (i = 0; i < size; i++)
8460                         csum8 += buf8[i];
8461
8462                 if (csum8 == 0) {
8463                         err = 0;
8464                         goto out;
8465                 }
8466
8467                 err = -EIO;
8468                 goto out;
8469         }
8470
8471         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8472             TG3_EEPROM_MAGIC_HW) {
8473                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8474                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8475                 u8 *buf8 = (u8 *) buf;
8476
8477                 /* Separate the parity bits and the data bytes.  */
8478                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8479                         if ((i == 0) || (i == 8)) {
8480                                 int l;
8481                                 u8 msk;
8482
8483                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8484                                         parity[k++] = buf8[i] & msk;
8485                                 i++;
8486                         }
8487                         else if (i == 16) {
8488                                 int l;
8489                                 u8 msk;
8490
8491                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8492                                         parity[k++] = buf8[i] & msk;
8493                                 i++;
8494
8495                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8496                                         parity[k++] = buf8[i] & msk;
8497                                 i++;
8498                         }
8499                         data[j++] = buf8[i];
8500                 }
8501
8502                 err = -EIO;
8503                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8504                         u8 hw8 = hweight8(data[i]);
8505
8506                         if ((hw8 & 0x1) && parity[i])
8507                                 goto out;
8508                         else if (!(hw8 & 0x1) && !parity[i])
8509                                 goto out;
8510                 }
8511                 err = 0;
8512                 goto out;
8513         }
8514
8515         /* Bootstrap checksum at offset 0x10 */
8516         csum = calc_crc((unsigned char *) buf, 0x10);
8517         if(csum != cpu_to_le32(buf[0x10/4]))
8518                 goto out;
8519
8520         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8521         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8522         if (csum != cpu_to_le32(buf[0xfc/4]))
8523                  goto out;
8524
8525         err = 0;
8526
8527 out:
8528         kfree(buf);
8529         return err;
8530 }
8531
8532 #define TG3_SERDES_TIMEOUT_SEC  2
8533 #define TG3_COPPER_TIMEOUT_SEC  6
8534
8535 static int tg3_test_link(struct tg3 *tp)
8536 {
8537         int i, max;
8538
8539         if (!netif_running(tp->dev))
8540                 return -ENODEV;
8541
8542         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8543                 max = TG3_SERDES_TIMEOUT_SEC;
8544         else
8545                 max = TG3_COPPER_TIMEOUT_SEC;
8546
8547         for (i = 0; i < max; i++) {
8548                 if (netif_carrier_ok(tp->dev))
8549                         return 0;
8550
8551                 if (msleep_interruptible(1000))
8552                         break;
8553         }
8554
8555         return -EIO;
8556 }
8557
8558 /* Only test the commonly used registers */
8559 static int tg3_test_registers(struct tg3 *tp)
8560 {
8561         int i, is_5705, is_5750;
8562         u32 offset, read_mask, write_mask, val, save_val, read_val;
8563         static struct {
8564                 u16 offset;
8565                 u16 flags;
8566 #define TG3_FL_5705     0x1
8567 #define TG3_FL_NOT_5705 0x2
8568 #define TG3_FL_NOT_5788 0x4
8569 #define TG3_FL_NOT_5750 0x8
8570                 u32 read_mask;
8571                 u32 write_mask;
8572         } reg_tbl[] = {
8573                 /* MAC Control Registers */
8574                 { MAC_MODE, TG3_FL_NOT_5705,
8575                         0x00000000, 0x00ef6f8c },
8576                 { MAC_MODE, TG3_FL_5705,
8577                         0x00000000, 0x01ef6b8c },
8578                 { MAC_STATUS, TG3_FL_NOT_5705,
8579                         0x03800107, 0x00000000 },
8580                 { MAC_STATUS, TG3_FL_5705,
8581                         0x03800100, 0x00000000 },
8582                 { MAC_ADDR_0_HIGH, 0x0000,
8583                         0x00000000, 0x0000ffff },
8584                 { MAC_ADDR_0_LOW, 0x0000,
8585                         0x00000000, 0xffffffff },
8586                 { MAC_RX_MTU_SIZE, 0x0000,
8587                         0x00000000, 0x0000ffff },
8588                 { MAC_TX_MODE, 0x0000,
8589                         0x00000000, 0x00000070 },
8590                 { MAC_TX_LENGTHS, 0x0000,
8591                         0x00000000, 0x00003fff },
8592                 { MAC_RX_MODE, TG3_FL_NOT_5705,
8593                         0x00000000, 0x000007fc },
8594                 { MAC_RX_MODE, TG3_FL_5705,
8595                         0x00000000, 0x000007dc },
8596                 { MAC_HASH_REG_0, 0x0000,
8597                         0x00000000, 0xffffffff },
8598                 { MAC_HASH_REG_1, 0x0000,
8599                         0x00000000, 0xffffffff },
8600                 { MAC_HASH_REG_2, 0x0000,
8601                         0x00000000, 0xffffffff },
8602                 { MAC_HASH_REG_3, 0x0000,
8603                         0x00000000, 0xffffffff },
8604
8605                 /* Receive Data and Receive BD Initiator Control Registers. */
8606                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8607                         0x00000000, 0xffffffff },
8608                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8609                         0x00000000, 0xffffffff },
8610                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8611                         0x00000000, 0x00000003 },
8612                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8613                         0x00000000, 0xffffffff },
8614                 { RCVDBDI_STD_BD+0, 0x0000,
8615                         0x00000000, 0xffffffff },
8616                 { RCVDBDI_STD_BD+4, 0x0000,
8617                         0x00000000, 0xffffffff },
8618                 { RCVDBDI_STD_BD+8, 0x0000,
8619                         0x00000000, 0xffff0002 },
8620                 { RCVDBDI_STD_BD+0xc, 0x0000,
8621                         0x00000000, 0xffffffff },
8622
8623                 /* Receive BD Initiator Control Registers. */
8624                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8625                         0x00000000, 0xffffffff },
8626                 { RCVBDI_STD_THRESH, TG3_FL_5705,
8627                         0x00000000, 0x000003ff },
8628                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8629                         0x00000000, 0xffffffff },
8630
8631                 /* Host Coalescing Control Registers. */
8632                 { HOSTCC_MODE, TG3_FL_NOT_5705,
8633                         0x00000000, 0x00000004 },
8634                 { HOSTCC_MODE, TG3_FL_5705,
8635                         0x00000000, 0x000000f6 },
8636                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8637                         0x00000000, 0xffffffff },
8638                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8639                         0x00000000, 0x000003ff },
8640                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8641                         0x00000000, 0xffffffff },
8642                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8643                         0x00000000, 0x000003ff },
8644                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8645                         0x00000000, 0xffffffff },
8646                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8647                         0x00000000, 0x000000ff },
8648                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8649                         0x00000000, 0xffffffff },
8650                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8651                         0x00000000, 0x000000ff },
8652                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8653                         0x00000000, 0xffffffff },
8654                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8655                         0x00000000, 0xffffffff },
8656                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8657                         0x00000000, 0xffffffff },
8658                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8659                         0x00000000, 0x000000ff },
8660                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8661                         0x00000000, 0xffffffff },
8662                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8663                         0x00000000, 0x000000ff },
8664                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8665                         0x00000000, 0xffffffff },
8666                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8667                         0x00000000, 0xffffffff },
8668                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8669                         0x00000000, 0xffffffff },
8670                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8671                         0x00000000, 0xffffffff },
8672                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8673                         0x00000000, 0xffffffff },
8674                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8675                         0xffffffff, 0x00000000 },
8676                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8677                         0xffffffff, 0x00000000 },
8678
8679                 /* Buffer Manager Control Registers. */
8680                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8681                         0x00000000, 0x007fff80 },
8682                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8683                         0x00000000, 0x007fffff },
8684                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8685                         0x00000000, 0x0000003f },
8686                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8687                         0x00000000, 0x000001ff },
8688                 { BUFMGR_MB_HIGH_WATER, 0x0000,
8689                         0x00000000, 0x000001ff },
8690                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8691                         0xffffffff, 0x00000000 },
8692                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8693                         0xffffffff, 0x00000000 },
8694
8695                 /* Mailbox Registers */
8696                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8697                         0x00000000, 0x000001ff },
8698                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8699                         0x00000000, 0x000001ff },
8700                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8701                         0x00000000, 0x000007ff },
8702                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8703                         0x00000000, 0x000001ff },
8704
8705                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8706         };
8707
8708         is_5705 = is_5750 = 0;
8709         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8710                 is_5705 = 1;
8711                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8712                         is_5750 = 1;
8713         }
8714
8715         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8716                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8717                         continue;
8718
8719                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8720                         continue;
8721
8722                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8723                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
8724                         continue;
8725
8726                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8727                         continue;
8728
8729                 offset = (u32) reg_tbl[i].offset;
8730                 read_mask = reg_tbl[i].read_mask;
8731                 write_mask = reg_tbl[i].write_mask;
8732
8733                 /* Save the original register content */
8734                 save_val = tr32(offset);
8735
8736                 /* Determine the read-only value. */
8737                 read_val = save_val & read_mask;
8738
8739                 /* Write zero to the register, then make sure the read-only bits
8740                  * are not changed and the read/write bits are all zeros.
8741                  */
8742                 tw32(offset, 0);
8743
8744                 val = tr32(offset);
8745
8746                 /* Test the read-only and read/write bits. */
8747                 if (((val & read_mask) != read_val) || (val & write_mask))
8748                         goto out;
8749
8750                 /* Write ones to all the bits defined by RdMask and WrMask, then
8751                  * make sure the read-only bits are not changed and the
8752                  * read/write bits are all ones.
8753                  */
8754                 tw32(offset, read_mask | write_mask);
8755
8756                 val = tr32(offset);
8757
8758                 /* Test the read-only bits. */
8759                 if ((val & read_mask) != read_val)
8760                         goto out;
8761
8762                 /* Test the read/write bits. */
8763                 if ((val & write_mask) != write_mask)
8764                         goto out;
8765
8766                 tw32(offset, save_val);
8767         }
8768
8769         return 0;
8770
8771 out:
8772         if (netif_msg_hw(tp))
8773                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
8774                        offset);
8775         tw32(offset, save_val);
8776         return -EIO;
8777 }
8778
8779 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8780 {
8781         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
8782         int i;
8783         u32 j;
8784
8785         for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8786                 for (j = 0; j < len; j += 4) {
8787                         u32 val;
8788
8789                         tg3_write_mem(tp, offset + j, test_pattern[i]);
8790                         tg3_read_mem(tp, offset + j, &val);
8791                         if (val != test_pattern[i])
8792                                 return -EIO;
8793                 }
8794         }
8795         return 0;
8796 }
8797
8798 static int tg3_test_memory(struct tg3 *tp)
8799 {
8800         static struct mem_entry {
8801                 u32 offset;
8802                 u32 len;
8803         } mem_tbl_570x[] = {
8804                 { 0x00000000, 0x00b50},
8805                 { 0x00002000, 0x1c000},
8806                 { 0xffffffff, 0x00000}
8807         }, mem_tbl_5705[] = {
8808                 { 0x00000100, 0x0000c},
8809                 { 0x00000200, 0x00008},
8810                 { 0x00004000, 0x00800},
8811                 { 0x00006000, 0x01000},
8812                 { 0x00008000, 0x02000},
8813                 { 0x00010000, 0x0e000},
8814                 { 0xffffffff, 0x00000}
8815         }, mem_tbl_5755[] = {
8816                 { 0x00000200, 0x00008},
8817                 { 0x00004000, 0x00800},
8818                 { 0x00006000, 0x00800},
8819                 { 0x00008000, 0x02000},
8820                 { 0x00010000, 0x0c000},
8821                 { 0xffffffff, 0x00000}
8822         }, mem_tbl_5906[] = {
8823                 { 0x00000200, 0x00008},
8824                 { 0x00004000, 0x00400},
8825                 { 0x00006000, 0x00400},
8826                 { 0x00008000, 0x01000},
8827                 { 0x00010000, 0x01000},
8828                 { 0xffffffff, 0x00000}
8829         };
8830         struct mem_entry *mem_tbl;
8831         int err = 0;
8832         int i;
8833
8834         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8835                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8836                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8837                         mem_tbl = mem_tbl_5755;
8838                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8839                         mem_tbl = mem_tbl_5906;
8840                 else
8841                         mem_tbl = mem_tbl_5705;
8842         } else
8843                 mem_tbl = mem_tbl_570x;
8844
8845         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8846                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8847                     mem_tbl[i].len)) != 0)
8848                         break;
8849         }
8850
8851         return err;
8852 }
8853
8854 #define TG3_MAC_LOOPBACK        0
8855 #define TG3_PHY_LOOPBACK        1
8856
8857 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
8858 {
8859         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
8860         u32 desc_idx;
8861         struct sk_buff *skb, *rx_skb;
8862         u8 *tx_data;
8863         dma_addr_t map;
8864         int num_pkts, tx_len, rx_len, i, err;
8865         struct tg3_rx_buffer_desc *desc;
8866
8867         if (loopback_mode == TG3_MAC_LOOPBACK) {
8868                 /* HW errata - mac loopback fails in some cases on 5780.
8869                  * Normal traffic and PHY loopback are not affected by
8870                  * errata.
8871                  */
8872                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8873                         return 0;
8874
8875                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8876                            MAC_MODE_PORT_INT_LPBACK;
8877                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8878                         mac_mode |= MAC_MODE_LINK_POLARITY;
8879                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8880                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8881                 else
8882                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8883                 tw32(MAC_MODE, mac_mode);
8884         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
8885                 u32 val;
8886
8887                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8888                         u32 phytest;
8889
8890                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8891                                 u32 phy;
8892
8893                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8894                                              phytest | MII_TG3_EPHY_SHADOW_EN);
8895                                 if (!tg3_readphy(tp, 0x1b, &phy))
8896                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
8897                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8898                         }
8899                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8900                 } else
8901                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
8902
8903                 tg3_phy_toggle_automdix(tp, 0);
8904
8905                 tg3_writephy(tp, MII_BMCR, val);
8906                 udelay(40);
8907
8908                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
8909                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8910                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
8911                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8912                 } else
8913                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8914
8915                 /* reset to prevent losing 1st rx packet intermittently */
8916                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8917                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8918                         udelay(10);
8919                         tw32_f(MAC_RX_MODE, tp->rx_mode);
8920                 }
8921                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
8922                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
8923                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
8924                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
8925                                 mac_mode |= MAC_MODE_LINK_POLARITY;
8926                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
8927                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8928                 }
8929                 tw32(MAC_MODE, mac_mode);
8930         }
8931         else
8932                 return -EINVAL;
8933
8934         err = -EIO;
8935
8936         tx_len = 1514;
8937         skb = netdev_alloc_skb(tp->dev, tx_len);
8938         if (!skb)
8939                 return -ENOMEM;
8940
8941         tx_data = skb_put(skb, tx_len);
8942         memcpy(tx_data, tp->dev->dev_addr, 6);
8943         memset(tx_data + 6, 0x0, 8);
8944
8945         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8946
8947         for (i = 14; i < tx_len; i++)
8948                 tx_data[i] = (u8) (i & 0xff);
8949
8950         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8951
8952         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8953              HOSTCC_MODE_NOW);
8954
8955         udelay(10);
8956
8957         rx_start_idx = tp->hw_status->idx[0].rx_producer;
8958
8959         num_pkts = 0;
8960
8961         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
8962
8963         tp->tx_prod++;
8964         num_pkts++;
8965
8966         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8967                      tp->tx_prod);
8968         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
8969
8970         udelay(10);
8971
8972         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
8973         for (i = 0; i < 25; i++) {
8974                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8975                        HOSTCC_MODE_NOW);
8976
8977                 udelay(10);
8978
8979                 tx_idx = tp->hw_status->idx[0].tx_consumer;
8980                 rx_idx = tp->hw_status->idx[0].rx_producer;
8981                 if ((tx_idx == tp->tx_prod) &&
8982                     (rx_idx == (rx_start_idx + num_pkts)))
8983                         break;
8984         }
8985
8986         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8987         dev_kfree_skb(skb);
8988
8989         if (tx_idx != tp->tx_prod)
8990                 goto out;
8991
8992         if (rx_idx != rx_start_idx + num_pkts)
8993                 goto out;
8994
8995         desc = &tp->rx_rcb[rx_start_idx];
8996         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8997         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8998         if (opaque_key != RXD_OPAQUE_RING_STD)
8999                 goto out;
9000
9001         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9002             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9003                 goto out;
9004
9005         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9006         if (rx_len != tx_len)
9007                 goto out;
9008
9009         rx_skb = tp->rx_std_buffers[desc_idx].skb;
9010
9011         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9012         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9013
9014         for (i = 14; i < tx_len; i++) {
9015                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9016                         goto out;
9017         }
9018         err = 0;
9019
9020         /* tg3_free_rings will unmap and free the rx_skb */
9021 out:
9022         return err;
9023 }
9024
9025 #define TG3_MAC_LOOPBACK_FAILED         1
9026 #define TG3_PHY_LOOPBACK_FAILED         2
9027 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
9028                                          TG3_PHY_LOOPBACK_FAILED)
9029
9030 static int tg3_test_loopback(struct tg3 *tp)
9031 {
9032         int err = 0;
9033
9034         if (!netif_running(tp->dev))
9035                 return TG3_LOOPBACK_FAILED;
9036
9037         err = tg3_reset_hw(tp, 1);
9038         if (err)
9039                 return TG3_LOOPBACK_FAILED;
9040
9041         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9042                 err |= TG3_MAC_LOOPBACK_FAILED;
9043         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
9044                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9045                         err |= TG3_PHY_LOOPBACK_FAILED;
9046         }
9047
9048         return err;
9049 }
9050
9051 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9052                           u64 *data)
9053 {
9054         struct tg3 *tp = netdev_priv(dev);
9055
9056         if (tp->link_config.phy_is_low_power)
9057                 tg3_set_power_state(tp, PCI_D0);
9058
9059         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9060
9061         if (tg3_test_nvram(tp) != 0) {
9062                 etest->flags |= ETH_TEST_FL_FAILED;
9063                 data[0] = 1;
9064         }
9065         if (tg3_test_link(tp) != 0) {
9066                 etest->flags |= ETH_TEST_FL_FAILED;
9067                 data[1] = 1;
9068         }
9069         if (etest->flags & ETH_TEST_FL_OFFLINE) {
9070                 int err, irq_sync = 0;
9071
9072                 if (netif_running(dev)) {
9073                         tg3_netif_stop(tp);
9074                         irq_sync = 1;
9075                 }
9076
9077                 tg3_full_lock(tp, irq_sync);
9078
9079                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
9080                 err = tg3_nvram_lock(tp);
9081                 tg3_halt_cpu(tp, RX_CPU_BASE);
9082                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9083                         tg3_halt_cpu(tp, TX_CPU_BASE);
9084                 if (!err)
9085                         tg3_nvram_unlock(tp);
9086
9087                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9088                         tg3_phy_reset(tp);
9089
9090                 if (tg3_test_registers(tp) != 0) {
9091                         etest->flags |= ETH_TEST_FL_FAILED;
9092                         data[2] = 1;
9093                 }
9094                 if (tg3_test_memory(tp) != 0) {
9095                         etest->flags |= ETH_TEST_FL_FAILED;
9096                         data[3] = 1;
9097                 }
9098                 if ((data[4] = tg3_test_loopback(tp)) != 0)
9099                         etest->flags |= ETH_TEST_FL_FAILED;
9100
9101                 tg3_full_unlock(tp);
9102
9103                 if (tg3_test_interrupt(tp) != 0) {
9104                         etest->flags |= ETH_TEST_FL_FAILED;
9105                         data[5] = 1;
9106                 }
9107
9108                 tg3_full_lock(tp, 0);
9109
9110                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9111                 if (netif_running(dev)) {
9112                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9113                         if (!tg3_restart_hw(tp, 1))
9114                                 tg3_netif_start(tp);
9115                 }
9116
9117                 tg3_full_unlock(tp);
9118         }
9119         if (tp->link_config.phy_is_low_power)
9120                 tg3_set_power_state(tp, PCI_D3hot);
9121
9122 }
9123
9124 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9125 {
9126         struct mii_ioctl_data *data = if_mii(ifr);
9127         struct tg3 *tp = netdev_priv(dev);
9128         int err;
9129
9130         switch(cmd) {
9131         case SIOCGMIIPHY:
9132                 data->phy_id = PHY_ADDR;
9133
9134                 /* fallthru */
9135         case SIOCGMIIREG: {
9136                 u32 mii_regval;
9137
9138                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9139                         break;                  /* We have no PHY */
9140
9141                 if (tp->link_config.phy_is_low_power)
9142                         return -EAGAIN;
9143
9144                 spin_lock_bh(&tp->lock);
9145                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9146                 spin_unlock_bh(&tp->lock);
9147
9148                 data->val_out = mii_regval;
9149
9150                 return err;
9151         }
9152
9153         case SIOCSMIIREG:
9154                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9155                         break;                  /* We have no PHY */
9156
9157                 if (!capable(CAP_NET_ADMIN))
9158                         return -EPERM;
9159
9160                 if (tp->link_config.phy_is_low_power)
9161                         return -EAGAIN;
9162
9163                 spin_lock_bh(&tp->lock);
9164                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9165                 spin_unlock_bh(&tp->lock);
9166
9167                 return err;
9168
9169         default:
9170                 /* do nothing */
9171                 break;
9172         }
9173         return -EOPNOTSUPP;
9174 }
9175
9176 #if TG3_VLAN_TAG_USED
9177 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9178 {
9179         struct tg3 *tp = netdev_priv(dev);
9180
9181         if (netif_running(dev))
9182                 tg3_netif_stop(tp);
9183
9184         tg3_full_lock(tp, 0);
9185
9186         tp->vlgrp = grp;
9187
9188         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9189         __tg3_set_rx_mode(dev);
9190
9191         if (netif_running(dev))
9192                 tg3_netif_start(tp);
9193
9194         tg3_full_unlock(tp);
9195 }
9196 #endif
9197
9198 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9199 {
9200         struct tg3 *tp = netdev_priv(dev);
9201
9202         memcpy(ec, &tp->coal, sizeof(*ec));
9203         return 0;
9204 }
9205
9206 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9207 {
9208         struct tg3 *tp = netdev_priv(dev);
9209         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9210         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9211
9212         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9213                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9214                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9215                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9216                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9217         }
9218
9219         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9220             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9221             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9222             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9223             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9224             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9225             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9226             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9227             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9228             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9229                 return -EINVAL;
9230
9231         /* No rx interrupts will be generated if both are zero */
9232         if ((ec->rx_coalesce_usecs == 0) &&
9233             (ec->rx_max_coalesced_frames == 0))
9234                 return -EINVAL;
9235
9236         /* No tx interrupts will be generated if both are zero */
9237         if ((ec->tx_coalesce_usecs == 0) &&
9238             (ec->tx_max_coalesced_frames == 0))
9239                 return -EINVAL;
9240
9241         /* Only copy relevant parameters, ignore all others. */
9242         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9243         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9244         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9245         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9246         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9247         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9248         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9249         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9250         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9251
9252         if (netif_running(dev)) {
9253                 tg3_full_lock(tp, 0);
9254                 __tg3_set_coalesce(tp, &tp->coal);
9255                 tg3_full_unlock(tp);
9256         }
9257         return 0;
9258 }
9259
9260 static const struct ethtool_ops tg3_ethtool_ops = {
9261         .get_settings           = tg3_get_settings,
9262         .set_settings           = tg3_set_settings,
9263         .get_drvinfo            = tg3_get_drvinfo,
9264         .get_regs_len           = tg3_get_regs_len,
9265         .get_regs               = tg3_get_regs,
9266         .get_wol                = tg3_get_wol,
9267         .set_wol                = tg3_set_wol,
9268         .get_msglevel           = tg3_get_msglevel,
9269         .set_msglevel           = tg3_set_msglevel,
9270         .nway_reset             = tg3_nway_reset,
9271         .get_link               = ethtool_op_get_link,
9272         .get_eeprom_len         = tg3_get_eeprom_len,
9273         .get_eeprom             = tg3_get_eeprom,
9274         .set_eeprom             = tg3_set_eeprom,
9275         .get_ringparam          = tg3_get_ringparam,
9276         .set_ringparam          = tg3_set_ringparam,
9277         .get_pauseparam         = tg3_get_pauseparam,
9278         .set_pauseparam         = tg3_set_pauseparam,
9279         .get_rx_csum            = tg3_get_rx_csum,
9280         .set_rx_csum            = tg3_set_rx_csum,
9281         .get_tx_csum            = ethtool_op_get_tx_csum,
9282         .set_tx_csum            = tg3_set_tx_csum,
9283         .get_sg                 = ethtool_op_get_sg,
9284         .set_sg                 = ethtool_op_set_sg,
9285         .get_tso                = ethtool_op_get_tso,
9286         .set_tso                = tg3_set_tso,
9287         .self_test_count        = tg3_get_test_count,
9288         .self_test              = tg3_self_test,
9289         .get_strings            = tg3_get_strings,
9290         .phys_id                = tg3_phys_id,
9291         .get_stats_count        = tg3_get_stats_count,
9292         .get_ethtool_stats      = tg3_get_ethtool_stats,
9293         .get_coalesce           = tg3_get_coalesce,
9294         .set_coalesce           = tg3_set_coalesce,
9295 };
9296
9297 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9298 {
9299         u32 cursize, val, magic;
9300
9301         tp->nvram_size = EEPROM_CHIP_SIZE;
9302
9303         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9304                 return;
9305
9306         if ((magic != TG3_EEPROM_MAGIC) &&
9307             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9308             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9309                 return;
9310
9311         /*
9312          * Size the chip by reading offsets at increasing powers of two.
9313          * When we encounter our validation signature, we know the addressing
9314          * has wrapped around, and thus have our chip size.
9315          */
9316         cursize = 0x10;
9317
9318         while (cursize < tp->nvram_size) {
9319                 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9320                         return;
9321
9322                 if (val == magic)
9323                         break;
9324
9325                 cursize <<= 1;
9326         }
9327
9328         tp->nvram_size = cursize;
9329 }
9330
9331 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9332 {
9333         u32 val;
9334
9335         if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9336                 return;
9337
9338         /* Selfboot format */
9339         if (val != TG3_EEPROM_MAGIC) {
9340                 tg3_get_eeprom_size(tp);
9341                 return;
9342         }
9343
9344         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9345                 if (val != 0) {
9346                         tp->nvram_size = (val >> 16) * 1024;
9347                         return;
9348                 }
9349         }
9350         tp->nvram_size = 0x80000;
9351 }
9352
9353 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9354 {
9355         u32 nvcfg1;
9356
9357         nvcfg1 = tr32(NVRAM_CFG1);
9358         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9359                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9360         }
9361         else {
9362                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9363                 tw32(NVRAM_CFG1, nvcfg1);
9364         }
9365
9366         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9367             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9368                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9369                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9370                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9371                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9372                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9373                                 break;
9374                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9375                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9376                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9377                                 break;
9378                         case FLASH_VENDOR_ATMEL_EEPROM:
9379                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9380                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9381                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9382                                 break;
9383                         case FLASH_VENDOR_ST:
9384                                 tp->nvram_jedecnum = JEDEC_ST;
9385                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9386                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9387                                 break;
9388                         case FLASH_VENDOR_SAIFUN:
9389                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
9390                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9391                                 break;
9392                         case FLASH_VENDOR_SST_SMALL:
9393                         case FLASH_VENDOR_SST_LARGE:
9394                                 tp->nvram_jedecnum = JEDEC_SST;
9395                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9396                                 break;
9397                 }
9398         }
9399         else {
9400                 tp->nvram_jedecnum = JEDEC_ATMEL;
9401                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9402                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9403         }
9404 }
9405
9406 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9407 {
9408         u32 nvcfg1;
9409
9410         nvcfg1 = tr32(NVRAM_CFG1);
9411
9412         /* NVRAM protection for TPM */
9413         if (nvcfg1 & (1 << 27))
9414                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9415
9416         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9417                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9418                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9419                         tp->nvram_jedecnum = JEDEC_ATMEL;
9420                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9421                         break;
9422                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9423                         tp->nvram_jedecnum = JEDEC_ATMEL;
9424                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9425                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9426                         break;
9427                 case FLASH_5752VENDOR_ST_M45PE10:
9428                 case FLASH_5752VENDOR_ST_M45PE20:
9429                 case FLASH_5752VENDOR_ST_M45PE40:
9430                         tp->nvram_jedecnum = JEDEC_ST;
9431                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9432                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9433                         break;
9434         }
9435
9436         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9437                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9438                         case FLASH_5752PAGE_SIZE_256:
9439                                 tp->nvram_pagesize = 256;
9440                                 break;
9441                         case FLASH_5752PAGE_SIZE_512:
9442                                 tp->nvram_pagesize = 512;
9443                                 break;
9444                         case FLASH_5752PAGE_SIZE_1K:
9445                                 tp->nvram_pagesize = 1024;
9446                                 break;
9447                         case FLASH_5752PAGE_SIZE_2K:
9448                                 tp->nvram_pagesize = 2048;
9449                                 break;
9450                         case FLASH_5752PAGE_SIZE_4K:
9451                                 tp->nvram_pagesize = 4096;
9452                                 break;
9453                         case FLASH_5752PAGE_SIZE_264:
9454                                 tp->nvram_pagesize = 264;
9455                                 break;
9456                 }
9457         }
9458         else {
9459                 /* For eeprom, set pagesize to maximum eeprom size */
9460                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9461
9462                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9463                 tw32(NVRAM_CFG1, nvcfg1);
9464         }
9465 }
9466
9467 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9468 {
9469         u32 nvcfg1, protect = 0;
9470
9471         nvcfg1 = tr32(NVRAM_CFG1);
9472
9473         /* NVRAM protection for TPM */
9474         if (nvcfg1 & (1 << 27)) {
9475                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9476                 protect = 1;
9477         }
9478
9479         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9480         switch (nvcfg1) {
9481                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9482                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9483                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9484                 case FLASH_5755VENDOR_ATMEL_FLASH_5:
9485                         tp->nvram_jedecnum = JEDEC_ATMEL;
9486                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9487                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9488                         tp->nvram_pagesize = 264;
9489                         if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
9490                             nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
9491                                 tp->nvram_size = (protect ? 0x3e200 : 0x80000);
9492                         else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
9493                                 tp->nvram_size = (protect ? 0x1f200 : 0x40000);
9494                         else
9495                                 tp->nvram_size = (protect ? 0x1f200 : 0x20000);
9496                         break;
9497                 case FLASH_5752VENDOR_ST_M45PE10:
9498                 case FLASH_5752VENDOR_ST_M45PE20:
9499                 case FLASH_5752VENDOR_ST_M45PE40:
9500                         tp->nvram_jedecnum = JEDEC_ST;
9501                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9502                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9503                         tp->nvram_pagesize = 256;
9504                         if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
9505                                 tp->nvram_size = (protect ? 0x10000 : 0x20000);
9506                         else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
9507                                 tp->nvram_size = (protect ? 0x10000 : 0x40000);
9508                         else
9509                                 tp->nvram_size = (protect ? 0x20000 : 0x80000);
9510                         break;
9511         }
9512 }
9513
9514 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9515 {
9516         u32 nvcfg1;
9517
9518         nvcfg1 = tr32(NVRAM_CFG1);
9519
9520         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9521                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9522                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9523                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9524                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9525                         tp->nvram_jedecnum = JEDEC_ATMEL;
9526                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9527                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9528
9529                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9530                         tw32(NVRAM_CFG1, nvcfg1);
9531                         break;
9532                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9533                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9534                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9535                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9536                         tp->nvram_jedecnum = JEDEC_ATMEL;
9537                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9538                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9539                         tp->nvram_pagesize = 264;
9540                         break;
9541                 case FLASH_5752VENDOR_ST_M45PE10:
9542                 case FLASH_5752VENDOR_ST_M45PE20:
9543                 case FLASH_5752VENDOR_ST_M45PE40:
9544                         tp->nvram_jedecnum = JEDEC_ST;
9545                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9546                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9547                         tp->nvram_pagesize = 256;
9548                         break;
9549         }
9550 }
9551
9552 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9553 {
9554         tp->nvram_jedecnum = JEDEC_ATMEL;
9555         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9556         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9557 }
9558
9559 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9560 static void __devinit tg3_nvram_init(struct tg3 *tp)
9561 {
9562         tw32_f(GRC_EEPROM_ADDR,
9563              (EEPROM_ADDR_FSM_RESET |
9564               (EEPROM_DEFAULT_CLOCK_PERIOD <<
9565                EEPROM_ADDR_CLKPERD_SHIFT)));
9566
9567         msleep(1);
9568
9569         /* Enable seeprom accesses. */
9570         tw32_f(GRC_LOCAL_CTRL,
9571              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9572         udelay(100);
9573
9574         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9575             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9576                 tp->tg3_flags |= TG3_FLAG_NVRAM;
9577
9578                 if (tg3_nvram_lock(tp)) {
9579                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9580                                "tg3_nvram_init failed.\n", tp->dev->name);
9581                         return;
9582                 }
9583                 tg3_enable_nvram_access(tp);
9584
9585                 tp->nvram_size = 0;
9586
9587                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9588                         tg3_get_5752_nvram_info(tp);
9589                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9590                         tg3_get_5755_nvram_info(tp);
9591                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9592                         tg3_get_5787_nvram_info(tp);
9593                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9594                         tg3_get_5906_nvram_info(tp);
9595                 else
9596                         tg3_get_nvram_info(tp);
9597
9598                 if (tp->nvram_size == 0)
9599                         tg3_get_nvram_size(tp);
9600
9601                 tg3_disable_nvram_access(tp);
9602                 tg3_nvram_unlock(tp);
9603
9604         } else {
9605                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9606
9607                 tg3_get_eeprom_size(tp);
9608         }
9609 }
9610
9611 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9612                                         u32 offset, u32 *val)
9613 {
9614         u32 tmp;
9615         int i;
9616
9617         if (offset > EEPROM_ADDR_ADDR_MASK ||
9618             (offset % 4) != 0)
9619                 return -EINVAL;
9620
9621         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9622                                         EEPROM_ADDR_DEVID_MASK |
9623                                         EEPROM_ADDR_READ);
9624         tw32(GRC_EEPROM_ADDR,
9625              tmp |
9626              (0 << EEPROM_ADDR_DEVID_SHIFT) |
9627              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9628               EEPROM_ADDR_ADDR_MASK) |
9629              EEPROM_ADDR_READ | EEPROM_ADDR_START);
9630
9631         for (i = 0; i < 1000; i++) {
9632                 tmp = tr32(GRC_EEPROM_ADDR);
9633
9634                 if (tmp & EEPROM_ADDR_COMPLETE)
9635                         break;
9636                 msleep(1);
9637         }
9638         if (!(tmp & EEPROM_ADDR_COMPLETE))
9639                 return -EBUSY;
9640
9641         *val = tr32(GRC_EEPROM_DATA);
9642         return 0;
9643 }
9644
9645 #define NVRAM_CMD_TIMEOUT 10000
9646
9647 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9648 {
9649         int i;
9650
9651         tw32(NVRAM_CMD, nvram_cmd);
9652         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9653                 udelay(10);
9654                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9655                         udelay(10);
9656                         break;
9657                 }
9658         }
9659         if (i == NVRAM_CMD_TIMEOUT) {
9660                 return -EBUSY;
9661         }
9662         return 0;
9663 }
9664
9665 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9666 {
9667         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9668             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9669             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9670             (tp->nvram_jedecnum == JEDEC_ATMEL))
9671
9672                 addr = ((addr / tp->nvram_pagesize) <<
9673                         ATMEL_AT45DB0X1B_PAGE_POS) +
9674                        (addr % tp->nvram_pagesize);
9675
9676         return addr;
9677 }
9678
9679 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9680 {
9681         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9682             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9683             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9684             (tp->nvram_jedecnum == JEDEC_ATMEL))
9685
9686                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9687                         tp->nvram_pagesize) +
9688                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9689
9690         return addr;
9691 }
9692
9693 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9694 {
9695         int ret;
9696
9697         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9698                 return tg3_nvram_read_using_eeprom(tp, offset, val);
9699
9700         offset = tg3_nvram_phys_addr(tp, offset);
9701
9702         if (offset > NVRAM_ADDR_MSK)
9703                 return -EINVAL;
9704
9705         ret = tg3_nvram_lock(tp);
9706         if (ret)
9707                 return ret;
9708
9709         tg3_enable_nvram_access(tp);
9710
9711         tw32(NVRAM_ADDR, offset);
9712         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9713                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9714
9715         if (ret == 0)
9716                 *val = swab32(tr32(NVRAM_RDDATA));
9717
9718         tg3_disable_nvram_access(tp);
9719
9720         tg3_nvram_unlock(tp);
9721
9722         return ret;
9723 }
9724
9725 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9726 {
9727         int err;
9728         u32 tmp;
9729
9730         err = tg3_nvram_read(tp, offset, &tmp);
9731         *val = swab32(tmp);
9732         return err;
9733 }
9734
9735 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9736                                     u32 offset, u32 len, u8 *buf)
9737 {
9738         int i, j, rc = 0;
9739         u32 val;
9740
9741         for (i = 0; i < len; i += 4) {
9742                 u32 addr, data;
9743
9744                 addr = offset + i;
9745
9746                 memcpy(&data, buf + i, 4);
9747
9748                 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9749
9750                 val = tr32(GRC_EEPROM_ADDR);
9751                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9752
9753                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9754                         EEPROM_ADDR_READ);
9755                 tw32(GRC_EEPROM_ADDR, val |
9756                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
9757                         (addr & EEPROM_ADDR_ADDR_MASK) |
9758                         EEPROM_ADDR_START |
9759                         EEPROM_ADDR_WRITE);
9760
9761                 for (j = 0; j < 1000; j++) {
9762                         val = tr32(GRC_EEPROM_ADDR);
9763
9764                         if (val & EEPROM_ADDR_COMPLETE)
9765                                 break;
9766                         msleep(1);
9767                 }
9768                 if (!(val & EEPROM_ADDR_COMPLETE)) {
9769                         rc = -EBUSY;
9770                         break;
9771                 }
9772         }
9773
9774         return rc;
9775 }
9776
9777 /* offset and length are dword aligned */
9778 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9779                 u8 *buf)
9780 {
9781         int ret = 0;
9782         u32 pagesize = tp->nvram_pagesize;
9783         u32 pagemask = pagesize - 1;
9784         u32 nvram_cmd;
9785         u8 *tmp;
9786
9787         tmp = kmalloc(pagesize, GFP_KERNEL);
9788         if (tmp == NULL)
9789                 return -ENOMEM;
9790
9791         while (len) {
9792                 int j;
9793                 u32 phy_addr, page_off, size;
9794
9795                 phy_addr = offset & ~pagemask;
9796
9797                 for (j = 0; j < pagesize; j += 4) {
9798                         if ((ret = tg3_nvram_read(tp, phy_addr + j,
9799                                                 (u32 *) (tmp + j))))
9800                                 break;
9801                 }
9802                 if (ret)
9803                         break;
9804
9805                 page_off = offset & pagemask;
9806                 size = pagesize;
9807                 if (len < size)
9808                         size = len;
9809
9810                 len -= size;
9811
9812                 memcpy(tmp + page_off, buf, size);
9813
9814                 offset = offset + (pagesize - page_off);
9815
9816                 tg3_enable_nvram_access(tp);
9817
9818                 /*
9819                  * Before we can erase the flash page, we need
9820                  * to issue a special "write enable" command.
9821                  */
9822                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9823
9824                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9825                         break;
9826
9827                 /* Erase the target page */
9828                 tw32(NVRAM_ADDR, phy_addr);
9829
9830                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9831                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9832
9833                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9834                         break;
9835
9836                 /* Issue another write enable to start the write. */
9837                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9838
9839                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9840                         break;
9841
9842                 for (j = 0; j < pagesize; j += 4) {
9843                         u32 data;
9844
9845                         data = *((u32 *) (tmp + j));
9846                         tw32(NVRAM_WRDATA, cpu_to_be32(data));
9847
9848                         tw32(NVRAM_ADDR, phy_addr + j);
9849
9850                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9851                                 NVRAM_CMD_WR;
9852
9853                         if (j == 0)
9854                                 nvram_cmd |= NVRAM_CMD_FIRST;
9855                         else if (j == (pagesize - 4))
9856                                 nvram_cmd |= NVRAM_CMD_LAST;
9857
9858                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9859                                 break;
9860                 }
9861                 if (ret)
9862                         break;
9863         }
9864
9865         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9866         tg3_nvram_exec_cmd(tp, nvram_cmd);
9867
9868         kfree(tmp);
9869
9870         return ret;
9871 }
9872
9873 /* offset and length are dword aligned */
9874 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9875                 u8 *buf)
9876 {
9877         int i, ret = 0;
9878
9879         for (i = 0; i < len; i += 4, offset += 4) {
9880                 u32 data, page_off, phy_addr, nvram_cmd;
9881
9882                 memcpy(&data, buf + i, 4);
9883                 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9884
9885                 page_off = offset % tp->nvram_pagesize;
9886
9887                 phy_addr = tg3_nvram_phys_addr(tp, offset);
9888
9889                 tw32(NVRAM_ADDR, phy_addr);
9890
9891                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9892
9893                 if ((page_off == 0) || (i == 0))
9894                         nvram_cmd |= NVRAM_CMD_FIRST;
9895                 if (page_off == (tp->nvram_pagesize - 4))
9896                         nvram_cmd |= NVRAM_CMD_LAST;
9897
9898                 if (i == (len - 4))
9899                         nvram_cmd |= NVRAM_CMD_LAST;
9900
9901                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
9902                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
9903                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
9904                     (tp->nvram_jedecnum == JEDEC_ST) &&
9905                     (nvram_cmd & NVRAM_CMD_FIRST)) {
9906
9907                         if ((ret = tg3_nvram_exec_cmd(tp,
9908                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9909                                 NVRAM_CMD_DONE)))
9910
9911                                 break;
9912                 }
9913                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9914                         /* We always do complete word writes to eeprom. */
9915                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9916                 }
9917
9918                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9919                         break;
9920         }
9921         return ret;
9922 }
9923
9924 /* offset and length are dword aligned */
9925 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9926 {
9927         int ret;
9928
9929         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9930                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9931                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
9932                 udelay(40);
9933         }
9934
9935         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9936                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9937         }
9938         else {
9939                 u32 grc_mode;
9940
9941                 ret = tg3_nvram_lock(tp);
9942                 if (ret)
9943                         return ret;
9944
9945                 tg3_enable_nvram_access(tp);
9946                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9947                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
9948                         tw32(NVRAM_WRITE1, 0x406);
9949
9950                 grc_mode = tr32(GRC_MODE);
9951                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9952
9953                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9954                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9955
9956                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
9957                                 buf);
9958                 }
9959                 else {
9960                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9961                                 buf);
9962                 }
9963
9964                 grc_mode = tr32(GRC_MODE);
9965                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9966
9967                 tg3_disable_nvram_access(tp);
9968                 tg3_nvram_unlock(tp);
9969         }
9970
9971         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9972                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
9973                 udelay(40);
9974         }
9975
9976         return ret;
9977 }
9978
9979 struct subsys_tbl_ent {
9980         u16 subsys_vendor, subsys_devid;
9981         u32 phy_id;
9982 };
9983
9984 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9985         /* Broadcom boards. */
9986         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9987         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9988         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9989         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
9990         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9991         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9992         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
9993         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9994         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9995         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9996         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9997
9998         /* 3com boards. */
9999         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10000         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10001         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
10002         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10003         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10004
10005         /* DELL boards. */
10006         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10007         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10008         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10009         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10010
10011         /* Compaq boards. */
10012         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10013         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10014         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
10015         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10016         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10017
10018         /* IBM boards. */
10019         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10020 };
10021
10022 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10023 {
10024         int i;
10025
10026         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10027                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10028                      tp->pdev->subsystem_vendor) &&
10029                     (subsys_id_to_phy_id[i].subsys_devid ==
10030                      tp->pdev->subsystem_device))
10031                         return &subsys_id_to_phy_id[i];
10032         }
10033         return NULL;
10034 }
10035
10036 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
10037 {
10038         u32 val;
10039         u16 pmcsr;
10040
10041         /* On some early chips the SRAM cannot be accessed in D3hot state,
10042          * so need make sure we're in D0.
10043          */
10044         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10045         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10046         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10047         msleep(1);
10048
10049         /* Make sure register accesses (indirect or otherwise)
10050          * will function correctly.
10051          */
10052         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10053                                tp->misc_host_ctrl);
10054
10055         /* The memory arbiter has to be enabled in order for SRAM accesses
10056          * to succeed.  Normally on powerup the tg3 chip firmware will make
10057          * sure it is enabled, but other entities such as system netboot
10058          * code might disable it.
10059          */
10060         val = tr32(MEMARB_MODE);
10061         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10062
10063         tp->phy_id = PHY_ID_INVALID;
10064         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10065
10066         /* Assume an onboard device and WOL capable by default.  */
10067         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
10068
10069         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10070                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
10071                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10072                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10073                 }
10074                 if (tr32(VCPU_CFGSHDW) & VCPU_CFGSHDW_ASPM_DBNC)
10075                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10076                 return;
10077         }
10078
10079         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
10080         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
10081                 u32 nic_cfg, led_cfg;
10082                 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10083                 int eeprom_phy_serdes = 0;
10084
10085                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10086                 tp->nic_sram_data_cfg = nic_cfg;
10087
10088                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10089                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10090                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10091                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10092                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10093                     (ver > 0) && (ver < 0x100))
10094                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10095
10096                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10097                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10098                         eeprom_phy_serdes = 1;
10099
10100                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10101                 if (nic_phy_id != 0) {
10102                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10103                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10104
10105                         eeprom_phy_id  = (id1 >> 16) << 10;
10106                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
10107                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
10108                 } else
10109                         eeprom_phy_id = 0;
10110
10111                 tp->phy_id = eeprom_phy_id;
10112                 if (eeprom_phy_serdes) {
10113                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10114                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10115                         else
10116                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10117                 }
10118
10119                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10120                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10121                                     SHASTA_EXT_LED_MODE_MASK);
10122                 else
10123                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10124
10125                 switch (led_cfg) {
10126                 default:
10127                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10128                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10129                         break;
10130
10131                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10132                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10133                         break;
10134
10135                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10136                         tp->led_ctrl = LED_CTRL_MODE_MAC;
10137
10138                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10139                          * read on some older 5700/5701 bootcode.
10140                          */
10141                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10142                             ASIC_REV_5700 ||
10143                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
10144                             ASIC_REV_5701)
10145                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10146
10147                         break;
10148
10149                 case SHASTA_EXT_LED_SHARED:
10150                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
10151                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10152                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10153                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10154                                                  LED_CTRL_MODE_PHY_2);
10155                         break;
10156
10157                 case SHASTA_EXT_LED_MAC:
10158                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10159                         break;
10160
10161                 case SHASTA_EXT_LED_COMBO:
10162                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
10163                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10164                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10165                                                  LED_CTRL_MODE_PHY_2);
10166                         break;
10167
10168                 };
10169
10170                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10171                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10172                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10173                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10174
10175                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
10176                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10177                         if ((tp->pdev->subsystem_vendor ==
10178                              PCI_VENDOR_ID_ARIMA) &&
10179                             (tp->pdev->subsystem_device == 0x205a ||
10180                              tp->pdev->subsystem_device == 0x2063))
10181                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10182                 } else {
10183                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10184                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10185                 }
10186
10187                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10188                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10189                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10190                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10191                 }
10192                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
10193                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
10194                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
10195
10196                 if (cfg2 & (1 << 17))
10197                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10198
10199                 /* serdes signal pre-emphasis in register 0x590 set by */
10200                 /* bootcode if bit 18 is set */
10201                 if (cfg2 & (1 << 18))
10202                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10203
10204                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10205                         u32 cfg3;
10206
10207                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
10208                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
10209                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10210                 }
10211         }
10212 }
10213
10214 static int __devinit tg3_phy_probe(struct tg3 *tp)
10215 {
10216         u32 hw_phy_id_1, hw_phy_id_2;
10217         u32 hw_phy_id, hw_phy_id_masked;
10218         int err;
10219
10220         /* Reading the PHY ID register can conflict with ASF
10221          * firwmare access to the PHY hardware.
10222          */
10223         err = 0;
10224         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10225                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10226         } else {
10227                 /* Now read the physical PHY_ID from the chip and verify
10228                  * that it is sane.  If it doesn't look good, we fall back
10229                  * to either the hard-coded table based PHY_ID and failing
10230                  * that the value found in the eeprom area.
10231                  */
10232                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10233                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10234
10235                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
10236                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10237                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
10238
10239                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10240         }
10241
10242         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10243                 tp->phy_id = hw_phy_id;
10244                 if (hw_phy_id_masked == PHY_ID_BCM8002)
10245                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10246                 else
10247                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10248         } else {
10249                 if (tp->phy_id != PHY_ID_INVALID) {
10250                         /* Do nothing, phy ID already set up in
10251                          * tg3_get_eeprom_hw_cfg().
10252                          */
10253                 } else {
10254                         struct subsys_tbl_ent *p;
10255
10256                         /* No eeprom signature?  Try the hardcoded
10257                          * subsys device table.
10258                          */
10259                         p = lookup_by_subsys(tp);
10260                         if (!p)
10261                                 return -ENODEV;
10262
10263                         tp->phy_id = p->phy_id;
10264                         if (!tp->phy_id ||
10265                             tp->phy_id == PHY_ID_BCM8002)
10266                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10267                 }
10268         }
10269
10270         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10271             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10272                 u32 bmsr, adv_reg, tg3_ctrl, mask;
10273
10274                 tg3_readphy(tp, MII_BMSR, &bmsr);
10275                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10276                     (bmsr & BMSR_LSTATUS))
10277                         goto skip_phy_reset;
10278
10279                 err = tg3_phy_reset(tp);
10280                 if (err)
10281                         return err;
10282
10283                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10284                            ADVERTISE_100HALF | ADVERTISE_100FULL |
10285                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10286                 tg3_ctrl = 0;
10287                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10288                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10289                                     MII_TG3_CTRL_ADV_1000_FULL);
10290                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10291                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10292                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10293                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
10294                 }
10295
10296                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10297                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10298                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10299                 if (!tg3_copper_is_advertising_all(tp, mask)) {
10300                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10301
10302                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10303                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10304
10305                         tg3_writephy(tp, MII_BMCR,
10306                                      BMCR_ANENABLE | BMCR_ANRESTART);
10307                 }
10308                 tg3_phy_set_wirespeed(tp);
10309
10310                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10311                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10312                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10313         }
10314
10315 skip_phy_reset:
10316         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10317                 err = tg3_init_5401phy_dsp(tp);
10318                 if (err)
10319                         return err;
10320         }
10321
10322         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10323                 err = tg3_init_5401phy_dsp(tp);
10324         }
10325
10326         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10327                 tp->link_config.advertising =
10328                         (ADVERTISED_1000baseT_Half |
10329                          ADVERTISED_1000baseT_Full |
10330                          ADVERTISED_Autoneg |
10331                          ADVERTISED_FIBRE);
10332         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10333                 tp->link_config.advertising &=
10334                         ~(ADVERTISED_1000baseT_Half |
10335                           ADVERTISED_1000baseT_Full);
10336
10337         return err;
10338 }
10339
10340 static void __devinit tg3_read_partno(struct tg3 *tp)
10341 {
10342         unsigned char vpd_data[256];
10343         unsigned int i;
10344         u32 magic;
10345
10346         if (tg3_nvram_read_swab(tp, 0x0, &magic))
10347                 goto out_not_found;
10348
10349         if (magic == TG3_EEPROM_MAGIC) {
10350                 for (i = 0; i < 256; i += 4) {
10351                         u32 tmp;
10352
10353                         if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10354                                 goto out_not_found;
10355
10356                         vpd_data[i + 0] = ((tmp >>  0) & 0xff);
10357                         vpd_data[i + 1] = ((tmp >>  8) & 0xff);
10358                         vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10359                         vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10360                 }
10361         } else {
10362                 int vpd_cap;
10363
10364                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10365                 for (i = 0; i < 256; i += 4) {
10366                         u32 tmp, j = 0;
10367                         u16 tmp16;
10368
10369                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10370                                               i);
10371                         while (j++ < 100) {
10372                                 pci_read_config_word(tp->pdev, vpd_cap +
10373                                                      PCI_VPD_ADDR, &tmp16);
10374                                 if (tmp16 & 0x8000)
10375                                         break;
10376                                 msleep(1);
10377                         }
10378                         if (!(tmp16 & 0x8000))
10379                                 goto out_not_found;
10380
10381                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10382                                               &tmp);
10383                         tmp = cpu_to_le32(tmp);
10384                         memcpy(&vpd_data[i], &tmp, 4);
10385                 }
10386         }
10387
10388         /* Now parse and find the part number. */
10389         for (i = 0; i < 254; ) {
10390                 unsigned char val = vpd_data[i];
10391                 unsigned int block_end;
10392
10393                 if (val == 0x82 || val == 0x91) {
10394                         i = (i + 3 +
10395                              (vpd_data[i + 1] +
10396                               (vpd_data[i + 2] << 8)));
10397                         continue;
10398                 }
10399
10400                 if (val != 0x90)
10401                         goto out_not_found;
10402
10403                 block_end = (i + 3 +
10404                              (vpd_data[i + 1] +
10405                               (vpd_data[i + 2] << 8)));
10406                 i += 3;
10407
10408                 if (block_end > 256)
10409                         goto out_not_found;
10410
10411                 while (i < (block_end - 2)) {
10412                         if (vpd_data[i + 0] == 'P' &&
10413                             vpd_data[i + 1] == 'N') {
10414                                 int partno_len = vpd_data[i + 2];
10415
10416                                 i += 3;
10417                                 if (partno_len > 24 || (partno_len + i) > 256)
10418                                         goto out_not_found;
10419
10420                                 memcpy(tp->board_part_number,
10421                                        &vpd_data[i], partno_len);
10422
10423                                 /* Success. */
10424                                 return;
10425                         }
10426                         i += 3 + vpd_data[i + 2];
10427                 }
10428
10429                 /* Part number not found. */
10430                 goto out_not_found;
10431         }
10432
10433 out_not_found:
10434         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10435                 strcpy(tp->board_part_number, "BCM95906");
10436         else
10437                 strcpy(tp->board_part_number, "none");
10438 }
10439
10440 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10441 {
10442         u32 val, offset, start;
10443
10444         if (tg3_nvram_read_swab(tp, 0, &val))
10445                 return;
10446
10447         if (val != TG3_EEPROM_MAGIC)
10448                 return;
10449
10450         if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10451             tg3_nvram_read_swab(tp, 0x4, &start))
10452                 return;
10453
10454         offset = tg3_nvram_logical_addr(tp, offset);
10455         if (tg3_nvram_read_swab(tp, offset, &val))
10456                 return;
10457
10458         if ((val & 0xfc000000) == 0x0c000000) {
10459                 u32 ver_offset, addr;
10460                 int i;
10461
10462                 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10463                     tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10464                         return;
10465
10466                 if (val != 0)
10467                         return;
10468
10469                 addr = offset + ver_offset - start;
10470                 for (i = 0; i < 16; i += 4) {
10471                         if (tg3_nvram_read(tp, addr + i, &val))
10472                                 return;
10473
10474                         val = cpu_to_le32(val);
10475                         memcpy(tp->fw_ver + i, &val, 4);
10476                 }
10477         }
10478 }
10479
10480 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
10481
10482 static int __devinit tg3_get_invariants(struct tg3 *tp)
10483 {
10484         static struct pci_device_id write_reorder_chipsets[] = {
10485                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10486                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10487                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10488                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10489                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10490                              PCI_DEVICE_ID_VIA_8385_0) },
10491                 { },
10492         };
10493         u32 misc_ctrl_reg;
10494         u32 cacheline_sz_reg;
10495         u32 pci_state_reg, grc_misc_cfg;
10496         u32 val;
10497         u16 pci_cmd;
10498         int err, pcie_cap;
10499
10500         /* Force memory write invalidate off.  If we leave it on,
10501          * then on 5700_BX chips we have to enable a workaround.
10502          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10503          * to match the cacheline size.  The Broadcom driver have this
10504          * workaround but turns MWI off all the times so never uses
10505          * it.  This seems to suggest that the workaround is insufficient.
10506          */
10507         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10508         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10509         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10510
10511         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10512          * has the register indirect write enable bit set before
10513          * we try to access any of the MMIO registers.  It is also
10514          * critical that the PCI-X hw workaround situation is decided
10515          * before that as well.
10516          */
10517         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10518                               &misc_ctrl_reg);
10519
10520         tp->pci_chip_rev_id = (misc_ctrl_reg >>
10521                                MISC_HOST_CTRL_CHIPREV_SHIFT);
10522
10523         /* Wrong chip ID in 5752 A0. This code can be removed later
10524          * as A0 is not in production.
10525          */
10526         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10527                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10528
10529         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10530          * we need to disable memory and use config. cycles
10531          * only to access all registers. The 5702/03 chips
10532          * can mistakenly decode the special cycles from the
10533          * ICH chipsets as memory write cycles, causing corruption
10534          * of register and memory space. Only certain ICH bridges
10535          * will drive special cycles with non-zero data during the
10536          * address phase which can fall within the 5703's address
10537          * range. This is not an ICH bug as the PCI spec allows
10538          * non-zero address during special cycles. However, only
10539          * these ICH bridges are known to drive non-zero addresses
10540          * during special cycles.
10541          *
10542          * Since special cycles do not cross PCI bridges, we only
10543          * enable this workaround if the 5703 is on the secondary
10544          * bus of these ICH bridges.
10545          */
10546         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10547             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10548                 static struct tg3_dev_id {
10549                         u32     vendor;
10550                         u32     device;
10551                         u32     rev;
10552                 } ich_chipsets[] = {
10553                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10554                           PCI_ANY_ID },
10555                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10556                           PCI_ANY_ID },
10557                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10558                           0xa },
10559                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10560                           PCI_ANY_ID },
10561                         { },
10562                 };
10563                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10564                 struct pci_dev *bridge = NULL;
10565
10566                 while (pci_id->vendor != 0) {
10567                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
10568                                                 bridge);
10569                         if (!bridge) {
10570                                 pci_id++;
10571                                 continue;
10572                         }
10573                         if (pci_id->rev != PCI_ANY_ID) {
10574                                 if (bridge->revision > pci_id->rev)
10575                                         continue;
10576                         }
10577                         if (bridge->subordinate &&
10578                             (bridge->subordinate->number ==
10579                              tp->pdev->bus->number)) {
10580
10581                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10582                                 pci_dev_put(bridge);
10583                                 break;
10584                         }
10585                 }
10586         }
10587
10588         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10589          * DMA addresses > 40-bit. This bridge may have other additional
10590          * 57xx devices behind it in some 4-port NIC designs for example.
10591          * Any tg3 device found behind the bridge will also need the 40-bit
10592          * DMA workaround.
10593          */
10594         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10595             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10596                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10597                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10598                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10599         }
10600         else {
10601                 struct pci_dev *bridge = NULL;
10602
10603                 do {
10604                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10605                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
10606                                                 bridge);
10607                         if (bridge && bridge->subordinate &&
10608                             (bridge->subordinate->number <=
10609                              tp->pdev->bus->number) &&
10610                             (bridge->subordinate->subordinate >=
10611                              tp->pdev->bus->number)) {
10612                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10613                                 pci_dev_put(bridge);
10614                                 break;
10615                         }
10616                 } while (bridge);
10617         }
10618
10619         /* Initialize misc host control in PCI block. */
10620         tp->misc_host_ctrl |= (misc_ctrl_reg &
10621                                MISC_HOST_CTRL_CHIPREV);
10622         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10623                                tp->misc_host_ctrl);
10624
10625         pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10626                               &cacheline_sz_reg);
10627
10628         tp->pci_cacheline_sz = (cacheline_sz_reg >>  0) & 0xff;
10629         tp->pci_lat_timer    = (cacheline_sz_reg >>  8) & 0xff;
10630         tp->pci_hdr_type     = (cacheline_sz_reg >> 16) & 0xff;
10631         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
10632
10633         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10634             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
10635                 tp->pdev_peer = tg3_find_peer(tp);
10636
10637         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10638             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10639             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10640             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10641             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
10642             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10643                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10644
10645         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10646             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10647                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10648
10649         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
10650                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
10651                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
10652                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
10653                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
10654                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
10655                      tp->pdev_peer == tp->pdev))
10656                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
10657
10658                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10659                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10660                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10661                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
10662                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
10663                 } else {
10664                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
10665                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10666                                 ASIC_REV_5750 &&
10667                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10668                                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
10669                 }
10670         }
10671
10672         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10673             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
10674             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10675             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
10676             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10677             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10678                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10679
10680         pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10681         if (pcie_cap != 0) {
10682                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
10683                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10684                         u16 lnkctl;
10685
10686                         pci_read_config_word(tp->pdev,
10687                                              pcie_cap + PCI_EXP_LNKCTL,
10688                                              &lnkctl);
10689                         if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10690                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10691                 }
10692         }
10693
10694         /* If we have an AMD 762 or VIA K8T800 chipset, write
10695          * reordering to the mailbox registers done by the host
10696          * controller can cause major troubles.  We read back from
10697          * every mailbox register write to force the writes to be
10698          * posted to the chip in order.
10699          */
10700         if (pci_dev_present(write_reorder_chipsets) &&
10701             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10702                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10703
10704         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10705             tp->pci_lat_timer < 64) {
10706                 tp->pci_lat_timer = 64;
10707
10708                 cacheline_sz_reg  = ((tp->pci_cacheline_sz & 0xff) <<  0);
10709                 cacheline_sz_reg |= ((tp->pci_lat_timer    & 0xff) <<  8);
10710                 cacheline_sz_reg |= ((tp->pci_hdr_type     & 0xff) << 16);
10711                 cacheline_sz_reg |= ((tp->pci_bist         & 0xff) << 24);
10712
10713                 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10714                                        cacheline_sz_reg);
10715         }
10716
10717         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10718                               &pci_state_reg);
10719
10720         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10721                 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10722
10723                 /* If this is a 5700 BX chipset, and we are in PCI-X
10724                  * mode, enable register write workaround.
10725                  *
10726                  * The workaround is to use indirect register accesses
10727                  * for all chip writes not to mailbox registers.
10728                  */
10729                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10730                         u32 pm_reg;
10731
10732                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10733
10734                         /* The chip can have it's power management PCI config
10735                          * space registers clobbered due to this bug.
10736                          * So explicitly force the chip into D0 here.
10737                          */
10738                         pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10739                                               &pm_reg);
10740                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10741                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10742                         pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10743                                                pm_reg);
10744
10745                         /* Also, force SERR#/PERR# in PCI command. */
10746                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10747                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10748                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10749                 }
10750         }
10751
10752         /* 5700 BX chips need to have their TX producer index mailboxes
10753          * written twice to workaround a bug.
10754          */
10755         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10756                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10757
10758         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10759                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10760         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10761                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10762
10763         /* Chip-specific fixup from Broadcom driver */
10764         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10765             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10766                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10767                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10768         }
10769
10770         /* Default fast path register access methods */
10771         tp->read32 = tg3_read32;
10772         tp->write32 = tg3_write32;
10773         tp->read32_mbox = tg3_read32;
10774         tp->write32_mbox = tg3_write32;
10775         tp->write32_tx_mbox = tg3_write32;
10776         tp->write32_rx_mbox = tg3_write32;
10777
10778         /* Various workaround register access methods */
10779         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10780                 tp->write32 = tg3_write_indirect_reg32;
10781         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10782                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10783                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
10784                 /*
10785                  * Back to back register writes can cause problems on these
10786                  * chips, the workaround is to read back all reg writes
10787                  * except those to mailbox regs.
10788                  *
10789                  * See tg3_write_indirect_reg32().
10790                  */
10791                 tp->write32 = tg3_write_flush_reg32;
10792         }
10793
10794
10795         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10796             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10797                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10798                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10799                         tp->write32_rx_mbox = tg3_write_flush_reg32;
10800         }
10801
10802         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10803                 tp->read32 = tg3_read_indirect_reg32;
10804                 tp->write32 = tg3_write_indirect_reg32;
10805                 tp->read32_mbox = tg3_read_indirect_mbox;
10806                 tp->write32_mbox = tg3_write_indirect_mbox;
10807                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10808                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10809
10810                 iounmap(tp->regs);
10811                 tp->regs = NULL;
10812
10813                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10814                 pci_cmd &= ~PCI_COMMAND_MEMORY;
10815                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10816         }
10817         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10818                 tp->read32_mbox = tg3_read32_mbox_5906;
10819                 tp->write32_mbox = tg3_write32_mbox_5906;
10820                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10821                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10822         }
10823
10824         if (tp->write32 == tg3_write_indirect_reg32 ||
10825             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10826              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10827               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
10828                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10829
10830         /* Get eeprom hw config before calling tg3_set_power_state().
10831          * In particular, the TG3_FLG2_IS_NIC flag must be
10832          * determined before calling tg3_set_power_state() so that
10833          * we know whether or not to switch out of Vaux power.
10834          * When the flag is set, it means that GPIO1 is used for eeprom
10835          * write protect and also implies that it is a LOM where GPIOs
10836          * are not used to switch power.
10837          */
10838         tg3_get_eeprom_hw_cfg(tp);
10839
10840         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10841          * GPIO1 driven high will bring 5700's external PHY out of reset.
10842          * It is also used as eeprom write protect on LOMs.
10843          */
10844         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10845         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10846             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10847                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10848                                        GRC_LCLCTRL_GPIO_OUTPUT1);
10849         /* Unused GPIO3 must be driven as output on 5752 because there
10850          * are no pull-up resistors on unused GPIO pins.
10851          */
10852         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10853                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
10854
10855         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10856                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10857
10858         /* Force the chip into D0. */
10859         err = tg3_set_power_state(tp, PCI_D0);
10860         if (err) {
10861                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10862                        pci_name(tp->pdev));
10863                 return err;
10864         }
10865
10866         /* 5700 B0 chips do not support checksumming correctly due
10867          * to hardware bugs.
10868          */
10869         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10870                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10871
10872         /* Derive initial jumbo mode from MTU assigned in
10873          * ether_setup() via the alloc_etherdev() call
10874          */
10875         if (tp->dev->mtu > ETH_DATA_LEN &&
10876             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10877                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
10878
10879         /* Determine WakeOnLan speed to use. */
10880         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10881             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10882             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10883             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10884                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10885         } else {
10886                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10887         }
10888
10889         /* A few boards don't want Ethernet@WireSpeed phy feature */
10890         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10891             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10892              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
10893              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
10894             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
10895             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
10896                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10897
10898         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10899             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10900                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10901         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10902                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10903
10904         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10905                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10906                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
10907                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
10908                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
10909                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
10910                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
10911                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
10912                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10913                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10914         }
10915
10916         tp->coalesce_mode = 0;
10917         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10918             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10919                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10920
10921         /* Initialize MAC MI mode, polling disabled. */
10922         tw32_f(MAC_MI_MODE, tp->mi_mode);
10923         udelay(80);
10924
10925         /* Initialize data/descriptor byte/word swapping. */
10926         val = tr32(GRC_MODE);
10927         val &= GRC_MODE_HOST_STACKUP;
10928         tw32(GRC_MODE, val | tp->grc_mode);
10929
10930         tg3_switch_clocks(tp);
10931
10932         /* Clear this out for sanity. */
10933         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10934
10935         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10936                               &pci_state_reg);
10937         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10938             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10939                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10940
10941                 if (chiprevid == CHIPREV_ID_5701_A0 ||
10942                     chiprevid == CHIPREV_ID_5701_B0 ||
10943                     chiprevid == CHIPREV_ID_5701_B2 ||
10944                     chiprevid == CHIPREV_ID_5701_B5) {
10945                         void __iomem *sram_base;
10946
10947                         /* Write some dummy words into the SRAM status block
10948                          * area, see if it reads back correctly.  If the return
10949                          * value is bad, force enable the PCIX workaround.
10950                          */
10951                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10952
10953                         writel(0x00000000, sram_base);
10954                         writel(0x00000000, sram_base + 4);
10955                         writel(0xffffffff, sram_base + 4);
10956                         if (readl(sram_base) != 0x00000000)
10957                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10958                 }
10959         }
10960
10961         udelay(50);
10962         tg3_nvram_init(tp);
10963
10964         grc_misc_cfg = tr32(GRC_MISC_CFG);
10965         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10966
10967         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10968             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10969              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10970                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10971
10972         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10973             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10974                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10975         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10976                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10977                                       HOSTCC_MODE_CLRTICK_TXBD);
10978
10979                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10980                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10981                                        tp->misc_host_ctrl);
10982         }
10983
10984         /* these are limited to 10/100 only */
10985         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10986              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10987             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10988              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10989              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10990               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10991               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10992             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10993              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
10994               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
10995               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
10996             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10997                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10998
10999         err = tg3_phy_probe(tp);
11000         if (err) {
11001                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
11002                        pci_name(tp->pdev), err);
11003                 /* ... but do not return immediately ... */
11004         }
11005
11006         tg3_read_partno(tp);
11007         tg3_read_fw_ver(tp);
11008
11009         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
11010                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11011         } else {
11012                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11013                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
11014                 else
11015                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11016         }
11017
11018         /* 5700 {AX,BX} chips have a broken status block link
11019          * change bit implementation, so we must use the
11020          * status register in those cases.
11021          */
11022         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11023                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
11024         else
11025                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
11026
11027         /* The led_ctrl is set during tg3_phy_probe, here we might
11028          * have to force the link status polling mechanism based
11029          * upon subsystem IDs.
11030          */
11031         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
11032             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11033             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
11034                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
11035                                   TG3_FLAG_USE_LINKCHG_REG);
11036         }
11037
11038         /* For all SERDES we poll the MAC status register. */
11039         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11040                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
11041         else
11042                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
11043
11044         /* All chips before 5787 can get confused if TX buffers
11045          * straddle the 4GB address boundary in some cases.
11046          */
11047         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11048             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11049             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11050                 tp->dev->hard_start_xmit = tg3_start_xmit;
11051         else
11052                 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
11053
11054         tp->rx_offset = 2;
11055         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11056             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
11057                 tp->rx_offset = 0;
11058
11059         tp->rx_std_max_post = TG3_RX_RING_SIZE;
11060
11061         /* Increment the rx prod index on the rx std ring by at most
11062          * 8 for these chips to workaround hw errata.
11063          */
11064         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11065             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11066             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11067                 tp->rx_std_max_post = 8;
11068
11069         /* By default, disable wake-on-lan.  User can change this
11070          * using ETHTOOL_SWOL.
11071          */
11072         tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
11073
11074         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
11075                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
11076                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
11077
11078         return err;
11079 }
11080
11081 #ifdef CONFIG_SPARC
11082 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
11083 {
11084         struct net_device *dev = tp->dev;
11085         struct pci_dev *pdev = tp->pdev;
11086         struct device_node *dp = pci_device_to_OF_node(pdev);
11087         const unsigned char *addr;
11088         int len;
11089
11090         addr = of_get_property(dp, "local-mac-address", &len);
11091         if (addr && len == 6) {
11092                 memcpy(dev->dev_addr, addr, 6);
11093                 memcpy(dev->perm_addr, dev->dev_addr, 6);
11094                 return 0;
11095         }
11096         return -ENODEV;
11097 }
11098
11099 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11100 {
11101         struct net_device *dev = tp->dev;
11102
11103         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
11104         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
11105         return 0;
11106 }
11107 #endif
11108
11109 static int __devinit tg3_get_device_address(struct tg3 *tp)
11110 {
11111         struct net_device *dev = tp->dev;
11112         u32 hi, lo, mac_offset;
11113         int addr_ok = 0;
11114
11115 #ifdef CONFIG_SPARC
11116         if (!tg3_get_macaddr_sparc(tp))
11117                 return 0;
11118 #endif
11119
11120         mac_offset = 0x7c;
11121         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11122             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11123                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11124                         mac_offset = 0xcc;
11125                 if (tg3_nvram_lock(tp))
11126                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11127                 else
11128                         tg3_nvram_unlock(tp);
11129         }
11130         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11131                 mac_offset = 0x10;
11132
11133         /* First try to get it from MAC address mailbox. */
11134         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11135         if ((hi >> 16) == 0x484b) {
11136                 dev->dev_addr[0] = (hi >>  8) & 0xff;
11137                 dev->dev_addr[1] = (hi >>  0) & 0xff;
11138
11139                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11140                 dev->dev_addr[2] = (lo >> 24) & 0xff;
11141                 dev->dev_addr[3] = (lo >> 16) & 0xff;
11142                 dev->dev_addr[4] = (lo >>  8) & 0xff;
11143                 dev->dev_addr[5] = (lo >>  0) & 0xff;
11144
11145                 /* Some old bootcode may report a 0 MAC address in SRAM */
11146                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11147         }
11148         if (!addr_ok) {
11149                 /* Next, try NVRAM. */
11150                 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
11151                     !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11152                         dev->dev_addr[0] = ((hi >> 16) & 0xff);
11153                         dev->dev_addr[1] = ((hi >> 24) & 0xff);
11154                         dev->dev_addr[2] = ((lo >>  0) & 0xff);
11155                         dev->dev_addr[3] = ((lo >>  8) & 0xff);
11156                         dev->dev_addr[4] = ((lo >> 16) & 0xff);
11157                         dev->dev_addr[5] = ((lo >> 24) & 0xff);
11158                 }
11159                 /* Finally just fetch it out of the MAC control regs. */
11160                 else {
11161                         hi = tr32(MAC_ADDR_0_HIGH);
11162                         lo = tr32(MAC_ADDR_0_LOW);
11163
11164                         dev->dev_addr[5] = lo & 0xff;
11165                         dev->dev_addr[4] = (lo >> 8) & 0xff;
11166                         dev->dev_addr[3] = (lo >> 16) & 0xff;
11167                         dev->dev_addr[2] = (lo >> 24) & 0xff;
11168                         dev->dev_addr[1] = hi & 0xff;
11169                         dev->dev_addr[0] = (hi >> 8) & 0xff;
11170                 }
11171         }
11172
11173         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11174 #ifdef CONFIG_SPARC64
11175                 if (!tg3_get_default_macaddr_sparc(tp))
11176                         return 0;
11177 #endif
11178                 return -EINVAL;
11179         }
11180         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11181         return 0;
11182 }
11183
11184 #define BOUNDARY_SINGLE_CACHELINE       1
11185 #define BOUNDARY_MULTI_CACHELINE        2
11186
11187 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11188 {
11189         int cacheline_size;
11190         u8 byte;
11191         int goal;
11192
11193         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11194         if (byte == 0)
11195                 cacheline_size = 1024;
11196         else
11197                 cacheline_size = (int) byte * 4;
11198
11199         /* On 5703 and later chips, the boundary bits have no
11200          * effect.
11201          */
11202         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11203             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11204             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11205                 goto out;
11206
11207 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11208         goal = BOUNDARY_MULTI_CACHELINE;
11209 #else
11210 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11211         goal = BOUNDARY_SINGLE_CACHELINE;
11212 #else
11213         goal = 0;
11214 #endif
11215 #endif
11216
11217         if (!goal)
11218                 goto out;
11219
11220         /* PCI controllers on most RISC systems tend to disconnect
11221          * when a device tries to burst across a cache-line boundary.
11222          * Therefore, letting tg3 do so just wastes PCI bandwidth.
11223          *
11224          * Unfortunately, for PCI-E there are only limited
11225          * write-side controls for this, and thus for reads
11226          * we will still get the disconnects.  We'll also waste
11227          * these PCI cycles for both read and write for chips
11228          * other than 5700 and 5701 which do not implement the
11229          * boundary bits.
11230          */
11231         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11232             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11233                 switch (cacheline_size) {
11234                 case 16:
11235                 case 32:
11236                 case 64:
11237                 case 128:
11238                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11239                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11240                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11241                         } else {
11242                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11243                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11244                         }
11245                         break;
11246
11247                 case 256:
11248                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11249                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11250                         break;
11251
11252                 default:
11253                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11254                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11255                         break;
11256                 };
11257         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11258                 switch (cacheline_size) {
11259                 case 16:
11260                 case 32:
11261                 case 64:
11262                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11263                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11264                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11265                                 break;
11266                         }
11267                         /* fallthrough */
11268                 case 128:
11269                 default:
11270                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11271                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11272                         break;
11273                 };
11274         } else {
11275                 switch (cacheline_size) {
11276                 case 16:
11277                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11278                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11279                                         DMA_RWCTRL_WRITE_BNDRY_16);
11280                                 break;
11281                         }
11282                         /* fallthrough */
11283                 case 32:
11284                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11285                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11286                                         DMA_RWCTRL_WRITE_BNDRY_32);
11287                                 break;
11288                         }
11289                         /* fallthrough */
11290                 case 64:
11291                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11292                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11293                                         DMA_RWCTRL_WRITE_BNDRY_64);
11294                                 break;
11295                         }
11296                         /* fallthrough */
11297                 case 128:
11298                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11299                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11300                                         DMA_RWCTRL_WRITE_BNDRY_128);
11301                                 break;
11302                         }
11303                         /* fallthrough */
11304                 case 256:
11305                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
11306                                 DMA_RWCTRL_WRITE_BNDRY_256);
11307                         break;
11308                 case 512:
11309                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
11310                                 DMA_RWCTRL_WRITE_BNDRY_512);
11311                         break;
11312                 case 1024:
11313                 default:
11314                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11315                                 DMA_RWCTRL_WRITE_BNDRY_1024);
11316                         break;
11317                 };
11318         }
11319
11320 out:
11321         return val;
11322 }
11323
11324 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11325 {
11326         struct tg3_internal_buffer_desc test_desc;
11327         u32 sram_dma_descs;
11328         int i, ret;
11329
11330         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11331
11332         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11333         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11334         tw32(RDMAC_STATUS, 0);
11335         tw32(WDMAC_STATUS, 0);
11336
11337         tw32(BUFMGR_MODE, 0);
11338         tw32(FTQ_RESET, 0);
11339
11340         test_desc.addr_hi = ((u64) buf_dma) >> 32;
11341         test_desc.addr_lo = buf_dma & 0xffffffff;
11342         test_desc.nic_mbuf = 0x00002100;
11343         test_desc.len = size;
11344
11345         /*
11346          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11347          * the *second* time the tg3 driver was getting loaded after an
11348          * initial scan.
11349          *
11350          * Broadcom tells me:
11351          *   ...the DMA engine is connected to the GRC block and a DMA
11352          *   reset may affect the GRC block in some unpredictable way...
11353          *   The behavior of resets to individual blocks has not been tested.
11354          *
11355          * Broadcom noted the GRC reset will also reset all sub-components.
11356          */
11357         if (to_device) {
11358                 test_desc.cqid_sqid = (13 << 8) | 2;
11359
11360                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11361                 udelay(40);
11362         } else {
11363                 test_desc.cqid_sqid = (16 << 8) | 7;
11364
11365                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11366                 udelay(40);
11367         }
11368         test_desc.flags = 0x00000005;
11369
11370         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11371                 u32 val;
11372
11373                 val = *(((u32 *)&test_desc) + i);
11374                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11375                                        sram_dma_descs + (i * sizeof(u32)));
11376                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11377         }
11378         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11379
11380         if (to_device) {
11381                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11382         } else {
11383                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11384         }
11385
11386         ret = -ENODEV;
11387         for (i = 0; i < 40; i++) {
11388                 u32 val;
11389
11390                 if (to_device)
11391                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11392                 else
11393                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11394                 if ((val & 0xffff) == sram_dma_descs) {
11395                         ret = 0;
11396                         break;
11397                 }
11398
11399                 udelay(100);
11400         }
11401
11402         return ret;
11403 }
11404
11405 #define TEST_BUFFER_SIZE        0x2000
11406
11407 static int __devinit tg3_test_dma(struct tg3 *tp)
11408 {
11409         dma_addr_t buf_dma;
11410         u32 *buf, saved_dma_rwctrl;
11411         int ret;
11412
11413         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11414         if (!buf) {
11415                 ret = -ENOMEM;
11416                 goto out_nofree;
11417         }
11418
11419         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11420                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11421
11422         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11423
11424         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11425                 /* DMA read watermark not used on PCIE */
11426                 tp->dma_rwctrl |= 0x00180000;
11427         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11428                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11429                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11430                         tp->dma_rwctrl |= 0x003f0000;
11431                 else
11432                         tp->dma_rwctrl |= 0x003f000f;
11433         } else {
11434                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11435                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11436                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11437                         u32 read_water = 0x7;
11438
11439                         /* If the 5704 is behind the EPB bridge, we can
11440                          * do the less restrictive ONE_DMA workaround for
11441                          * better performance.
11442                          */
11443                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11444                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11445                                 tp->dma_rwctrl |= 0x8000;
11446                         else if (ccval == 0x6 || ccval == 0x7)
11447                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11448
11449                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11450                                 read_water = 4;
11451                         /* Set bit 23 to enable PCIX hw bug fix */
11452                         tp->dma_rwctrl |=
11453                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11454                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11455                                 (1 << 23);
11456                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11457                         /* 5780 always in PCIX mode */
11458                         tp->dma_rwctrl |= 0x00144000;
11459                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11460                         /* 5714 always in PCIX mode */
11461                         tp->dma_rwctrl |= 0x00148000;
11462                 } else {
11463                         tp->dma_rwctrl |= 0x001b000f;
11464                 }
11465         }
11466
11467         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11468             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11469                 tp->dma_rwctrl &= 0xfffffff0;
11470
11471         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11472             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11473                 /* Remove this if it causes problems for some boards. */
11474                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11475
11476                 /* On 5700/5701 chips, we need to set this bit.
11477                  * Otherwise the chip will issue cacheline transactions
11478                  * to streamable DMA memory with not all the byte
11479                  * enables turned on.  This is an error on several
11480                  * RISC PCI controllers, in particular sparc64.
11481                  *
11482                  * On 5703/5704 chips, this bit has been reassigned
11483                  * a different meaning.  In particular, it is used
11484                  * on those chips to enable a PCI-X workaround.
11485                  */
11486                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11487         }
11488
11489         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11490
11491 #if 0
11492         /* Unneeded, already done by tg3_get_invariants.  */
11493         tg3_switch_clocks(tp);
11494 #endif
11495
11496         ret = 0;
11497         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11498             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11499                 goto out;
11500
11501         /* It is best to perform DMA test with maximum write burst size
11502          * to expose the 5700/5701 write DMA bug.
11503          */
11504         saved_dma_rwctrl = tp->dma_rwctrl;
11505         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11506         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11507
11508         while (1) {
11509                 u32 *p = buf, i;
11510
11511                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11512                         p[i] = i;
11513
11514                 /* Send the buffer to the chip. */
11515                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11516                 if (ret) {
11517                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11518                         break;
11519                 }
11520
11521 #if 0
11522                 /* validate data reached card RAM correctly. */
11523                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11524                         u32 val;
11525                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
11526                         if (le32_to_cpu(val) != p[i]) {
11527                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
11528                                 /* ret = -ENODEV here? */
11529                         }
11530                         p[i] = 0;
11531                 }
11532 #endif
11533                 /* Now read it back. */
11534                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11535                 if (ret) {
11536                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11537
11538                         break;
11539                 }
11540
11541                 /* Verify it. */
11542                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11543                         if (p[i] == i)
11544                                 continue;
11545
11546                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11547                             DMA_RWCTRL_WRITE_BNDRY_16) {
11548                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11549                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11550                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11551                                 break;
11552                         } else {
11553                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11554                                 ret = -ENODEV;
11555                                 goto out;
11556                         }
11557                 }
11558
11559                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11560                         /* Success. */
11561                         ret = 0;
11562                         break;
11563                 }
11564         }
11565         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11566             DMA_RWCTRL_WRITE_BNDRY_16) {
11567                 static struct pci_device_id dma_wait_state_chipsets[] = {
11568                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11569                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11570                         { },
11571                 };
11572
11573                 /* DMA test passed without adjusting DMA boundary,
11574                  * now look for chipsets that are known to expose the
11575                  * DMA bug without failing the test.
11576                  */
11577                 if (pci_dev_present(dma_wait_state_chipsets)) {
11578                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11579                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11580                 }
11581                 else
11582                         /* Safe to use the calculated DMA boundary. */
11583                         tp->dma_rwctrl = saved_dma_rwctrl;
11584
11585                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11586         }
11587
11588 out:
11589         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11590 out_nofree:
11591         return ret;
11592 }
11593
11594 static void __devinit tg3_init_link_config(struct tg3 *tp)
11595 {
11596         tp->link_config.advertising =
11597                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11598                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11599                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11600                  ADVERTISED_Autoneg | ADVERTISED_MII);
11601         tp->link_config.speed = SPEED_INVALID;
11602         tp->link_config.duplex = DUPLEX_INVALID;
11603         tp->link_config.autoneg = AUTONEG_ENABLE;
11604         tp->link_config.active_speed = SPEED_INVALID;
11605         tp->link_config.active_duplex = DUPLEX_INVALID;
11606         tp->link_config.phy_is_low_power = 0;
11607         tp->link_config.orig_speed = SPEED_INVALID;
11608         tp->link_config.orig_duplex = DUPLEX_INVALID;
11609         tp->link_config.orig_autoneg = AUTONEG_INVALID;
11610 }
11611
11612 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11613 {
11614         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11615                 tp->bufmgr_config.mbuf_read_dma_low_water =
11616                         DEFAULT_MB_RDMA_LOW_WATER_5705;
11617                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11618                         DEFAULT_MB_MACRX_LOW_WATER_5705;
11619                 tp->bufmgr_config.mbuf_high_water =
11620                         DEFAULT_MB_HIGH_WATER_5705;
11621                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11622                         tp->bufmgr_config.mbuf_mac_rx_low_water =
11623                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
11624                         tp->bufmgr_config.mbuf_high_water =
11625                                 DEFAULT_MB_HIGH_WATER_5906;
11626                 }
11627
11628                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11629                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11630                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11631                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11632                 tp->bufmgr_config.mbuf_high_water_jumbo =
11633                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11634         } else {
11635                 tp->bufmgr_config.mbuf_read_dma_low_water =
11636                         DEFAULT_MB_RDMA_LOW_WATER;
11637                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11638                         DEFAULT_MB_MACRX_LOW_WATER;
11639                 tp->bufmgr_config.mbuf_high_water =
11640                         DEFAULT_MB_HIGH_WATER;
11641
11642                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11643                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11644                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11645                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11646                 tp->bufmgr_config.mbuf_high_water_jumbo =
11647                         DEFAULT_MB_HIGH_WATER_JUMBO;
11648         }
11649
11650         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11651         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11652 }
11653
11654 static char * __devinit tg3_phy_string(struct tg3 *tp)
11655 {
11656         switch (tp->phy_id & PHY_ID_MASK) {
11657         case PHY_ID_BCM5400:    return "5400";
11658         case PHY_ID_BCM5401:    return "5401";
11659         case PHY_ID_BCM5411:    return "5411";
11660         case PHY_ID_BCM5701:    return "5701";
11661         case PHY_ID_BCM5703:    return "5703";
11662         case PHY_ID_BCM5704:    return "5704";
11663         case PHY_ID_BCM5705:    return "5705";
11664         case PHY_ID_BCM5750:    return "5750";
11665         case PHY_ID_BCM5752:    return "5752";
11666         case PHY_ID_BCM5714:    return "5714";
11667         case PHY_ID_BCM5780:    return "5780";
11668         case PHY_ID_BCM5755:    return "5755";
11669         case PHY_ID_BCM5787:    return "5787";
11670         case PHY_ID_BCM5756:    return "5722/5756";
11671         case PHY_ID_BCM5906:    return "5906";
11672         case PHY_ID_BCM8002:    return "8002/serdes";
11673         case 0:                 return "serdes";
11674         default:                return "unknown";
11675         };
11676 }
11677
11678 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11679 {
11680         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11681                 strcpy(str, "PCI Express");
11682                 return str;
11683         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11684                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11685
11686                 strcpy(str, "PCIX:");
11687
11688                 if ((clock_ctrl == 7) ||
11689                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11690                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11691                         strcat(str, "133MHz");
11692                 else if (clock_ctrl == 0)
11693                         strcat(str, "33MHz");
11694                 else if (clock_ctrl == 2)
11695                         strcat(str, "50MHz");
11696                 else if (clock_ctrl == 4)
11697                         strcat(str, "66MHz");
11698                 else if (clock_ctrl == 6)
11699                         strcat(str, "100MHz");
11700         } else {
11701                 strcpy(str, "PCI:");
11702                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11703                         strcat(str, "66MHz");
11704                 else
11705                         strcat(str, "33MHz");
11706         }
11707         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11708                 strcat(str, ":32-bit");
11709         else
11710                 strcat(str, ":64-bit");
11711         return str;
11712 }
11713
11714 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
11715 {
11716         struct pci_dev *peer;
11717         unsigned int func, devnr = tp->pdev->devfn & ~7;
11718
11719         for (func = 0; func < 8; func++) {
11720                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11721                 if (peer && peer != tp->pdev)
11722                         break;
11723                 pci_dev_put(peer);
11724         }
11725         /* 5704 can be configured in single-port mode, set peer to
11726          * tp->pdev in that case.
11727          */
11728         if (!peer) {
11729                 peer = tp->pdev;
11730                 return peer;
11731         }
11732
11733         /*
11734          * We don't need to keep the refcount elevated; there's no way
11735          * to remove one half of this device without removing the other
11736          */
11737         pci_dev_put(peer);
11738
11739         return peer;
11740 }
11741
11742 static void __devinit tg3_init_coal(struct tg3 *tp)
11743 {
11744         struct ethtool_coalesce *ec = &tp->coal;
11745
11746         memset(ec, 0, sizeof(*ec));
11747         ec->cmd = ETHTOOL_GCOALESCE;
11748         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11749         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11750         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11751         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11752         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11753         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11754         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11755         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11756         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11757
11758         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11759                                  HOSTCC_MODE_CLRTICK_TXBD)) {
11760                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11761                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11762                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11763                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11764         }
11765
11766         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11767                 ec->rx_coalesce_usecs_irq = 0;
11768                 ec->tx_coalesce_usecs_irq = 0;
11769                 ec->stats_block_coalesce_usecs = 0;
11770         }
11771 }
11772
11773 static int __devinit tg3_init_one(struct pci_dev *pdev,
11774                                   const struct pci_device_id *ent)
11775 {
11776         static int tg3_version_printed = 0;
11777         unsigned long tg3reg_base, tg3reg_len;
11778         struct net_device *dev;
11779         struct tg3 *tp;
11780         int i, err, pm_cap;
11781         char str[40];
11782         u64 dma_mask, persist_dma_mask;
11783
11784         if (tg3_version_printed++ == 0)
11785                 printk(KERN_INFO "%s", version);
11786
11787         err = pci_enable_device(pdev);
11788         if (err) {
11789                 printk(KERN_ERR PFX "Cannot enable PCI device, "
11790                        "aborting.\n");
11791                 return err;
11792         }
11793
11794         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11795                 printk(KERN_ERR PFX "Cannot find proper PCI device "
11796                        "base address, aborting.\n");
11797                 err = -ENODEV;
11798                 goto err_out_disable_pdev;
11799         }
11800
11801         err = pci_request_regions(pdev, DRV_MODULE_NAME);
11802         if (err) {
11803                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11804                        "aborting.\n");
11805                 goto err_out_disable_pdev;
11806         }
11807
11808         pci_set_master(pdev);
11809
11810         /* Find power-management capability. */
11811         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11812         if (pm_cap == 0) {
11813                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11814                        "aborting.\n");
11815                 err = -EIO;
11816                 goto err_out_free_res;
11817         }
11818
11819         tg3reg_base = pci_resource_start(pdev, 0);
11820         tg3reg_len = pci_resource_len(pdev, 0);
11821
11822         dev = alloc_etherdev(sizeof(*tp));
11823         if (!dev) {
11824                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11825                 err = -ENOMEM;
11826                 goto err_out_free_res;
11827         }
11828
11829         SET_MODULE_OWNER(dev);
11830         SET_NETDEV_DEV(dev, &pdev->dev);
11831
11832 #if TG3_VLAN_TAG_USED
11833         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11834         dev->vlan_rx_register = tg3_vlan_rx_register;
11835 #endif
11836
11837         tp = netdev_priv(dev);
11838         tp->pdev = pdev;
11839         tp->dev = dev;
11840         tp->pm_cap = pm_cap;
11841         tp->mac_mode = TG3_DEF_MAC_MODE;
11842         tp->rx_mode = TG3_DEF_RX_MODE;
11843         tp->tx_mode = TG3_DEF_TX_MODE;
11844         tp->mi_mode = MAC_MI_MODE_BASE;
11845         if (tg3_debug > 0)
11846                 tp->msg_enable = tg3_debug;
11847         else
11848                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11849
11850         /* The word/byte swap controls here control register access byte
11851          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
11852          * setting below.
11853          */
11854         tp->misc_host_ctrl =
11855                 MISC_HOST_CTRL_MASK_PCI_INT |
11856                 MISC_HOST_CTRL_WORD_SWAP |
11857                 MISC_HOST_CTRL_INDIR_ACCESS |
11858                 MISC_HOST_CTRL_PCISTATE_RW;
11859
11860         /* The NONFRM (non-frame) byte/word swap controls take effect
11861          * on descriptor entries, anything which isn't packet data.
11862          *
11863          * The StrongARM chips on the board (one for tx, one for rx)
11864          * are running in big-endian mode.
11865          */
11866         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11867                         GRC_MODE_WSWAP_NONFRM_DATA);
11868 #ifdef __BIG_ENDIAN
11869         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11870 #endif
11871         spin_lock_init(&tp->lock);
11872         spin_lock_init(&tp->indirect_lock);
11873         INIT_WORK(&tp->reset_task, tg3_reset_task);
11874
11875         tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11876         if (!tp->regs) {
11877                 printk(KERN_ERR PFX "Cannot map device registers, "
11878                        "aborting.\n");
11879                 err = -ENOMEM;
11880                 goto err_out_free_dev;
11881         }
11882
11883         tg3_init_link_config(tp);
11884
11885         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11886         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11887         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11888
11889         dev->open = tg3_open;
11890         dev->stop = tg3_close;
11891         dev->get_stats = tg3_get_stats;
11892         dev->set_multicast_list = tg3_set_rx_mode;
11893         dev->set_mac_address = tg3_set_mac_addr;
11894         dev->do_ioctl = tg3_ioctl;
11895         dev->tx_timeout = tg3_tx_timeout;
11896         netif_napi_add(dev, &tp->napi, tg3_poll, 64);
11897         dev->ethtool_ops = &tg3_ethtool_ops;
11898         dev->watchdog_timeo = TG3_TX_TIMEOUT;
11899         dev->change_mtu = tg3_change_mtu;
11900         dev->irq = pdev->irq;
11901 #ifdef CONFIG_NET_POLL_CONTROLLER
11902         dev->poll_controller = tg3_poll_controller;
11903 #endif
11904
11905         err = tg3_get_invariants(tp);
11906         if (err) {
11907                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11908                        "aborting.\n");
11909                 goto err_out_iounmap;
11910         }
11911
11912         /* The EPB bridge inside 5714, 5715, and 5780 and any
11913          * device behind the EPB cannot support DMA addresses > 40-bit.
11914          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11915          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11916          * do DMA address check in tg3_start_xmit().
11917          */
11918         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11919                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11920         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
11921                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11922 #ifdef CONFIG_HIGHMEM
11923                 dma_mask = DMA_64BIT_MASK;
11924 #endif
11925         } else
11926                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11927
11928         /* Configure DMA attributes. */
11929         if (dma_mask > DMA_32BIT_MASK) {
11930                 err = pci_set_dma_mask(pdev, dma_mask);
11931                 if (!err) {
11932                         dev->features |= NETIF_F_HIGHDMA;
11933                         err = pci_set_consistent_dma_mask(pdev,
11934                                                           persist_dma_mask);
11935                         if (err < 0) {
11936                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11937                                        "DMA for consistent allocations\n");
11938                                 goto err_out_iounmap;
11939                         }
11940                 }
11941         }
11942         if (err || dma_mask == DMA_32BIT_MASK) {
11943                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11944                 if (err) {
11945                         printk(KERN_ERR PFX "No usable DMA configuration, "
11946                                "aborting.\n");
11947                         goto err_out_iounmap;
11948                 }
11949         }
11950
11951         tg3_init_bufmgr_config(tp);
11952
11953         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11954                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11955         }
11956         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11957             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11958             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
11959             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11960             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11961                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11962         } else {
11963                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
11964         }
11965
11966         /* TSO is on by default on chips that support hardware TSO.
11967          * Firmware TSO on older chips gives lower performance, so it
11968          * is off by default, but can be enabled using ethtool.
11969          */
11970         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11971                 dev->features |= NETIF_F_TSO;
11972                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11973                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
11974                         dev->features |= NETIF_F_TSO6;
11975         }
11976
11977
11978         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11979             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11980             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11981                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11982                 tp->rx_pending = 63;
11983         }
11984
11985         err = tg3_get_device_address(tp);
11986         if (err) {
11987                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11988                        "aborting.\n");
11989                 goto err_out_iounmap;
11990         }
11991
11992         /*
11993          * Reset chip in case UNDI or EFI driver did not shutdown
11994          * DMA self test will enable WDMAC and we'll see (spurious)
11995          * pending DMA on the PCI bus at that point.
11996          */
11997         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11998             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11999                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
12000                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
12001         }
12002
12003         err = tg3_test_dma(tp);
12004         if (err) {
12005                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
12006                 goto err_out_iounmap;
12007         }
12008
12009         /* Tigon3 can do ipv4 only... and some chips have buggy
12010          * checksumming.
12011          */
12012         if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
12013                 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12014                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12015                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
12016                         dev->features |= NETIF_F_IPV6_CSUM;
12017
12018                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12019         } else
12020                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
12021
12022         /* flow control autonegotiation is default behavior */
12023         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
12024
12025         tg3_init_coal(tp);
12026
12027         pci_set_drvdata(pdev, dev);
12028
12029         err = register_netdev(dev);
12030         if (err) {
12031                 printk(KERN_ERR PFX "Cannot register net device, "
12032                        "aborting.\n");
12033                 goto err_out_iounmap;
12034         }
12035
12036         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
12037                dev->name,
12038                tp->board_part_number,
12039                tp->pci_chip_rev_id,
12040                tg3_phy_string(tp),
12041                tg3_bus_string(tp, str),
12042                ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
12043                 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
12044                  "10/100/1000Base-T")));
12045
12046         for (i = 0; i < 6; i++)
12047                 printk("%2.2x%c", dev->dev_addr[i],
12048                        i == 5 ? '\n' : ':');
12049
12050         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
12051                "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
12052                dev->name,
12053                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
12054                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
12055                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
12056                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
12057                (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
12058                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
12059         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
12060                dev->name, tp->dma_rwctrl,
12061                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
12062                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
12063
12064         return 0;
12065
12066 err_out_iounmap:
12067         if (tp->regs) {
12068                 iounmap(tp->regs);
12069                 tp->regs = NULL;
12070         }
12071
12072 err_out_free_dev:
12073         free_netdev(dev);
12074
12075 err_out_free_res:
12076         pci_release_regions(pdev);
12077
12078 err_out_disable_pdev:
12079         pci_disable_device(pdev);
12080         pci_set_drvdata(pdev, NULL);
12081         return err;
12082 }
12083
12084 static void __devexit tg3_remove_one(struct pci_dev *pdev)
12085 {
12086         struct net_device *dev = pci_get_drvdata(pdev);
12087
12088         if (dev) {
12089                 struct tg3 *tp = netdev_priv(dev);
12090
12091                 flush_scheduled_work();
12092                 unregister_netdev(dev);
12093                 if (tp->regs) {
12094                         iounmap(tp->regs);
12095                         tp->regs = NULL;
12096                 }
12097                 free_netdev(dev);
12098                 pci_release_regions(pdev);
12099                 pci_disable_device(pdev);
12100                 pci_set_drvdata(pdev, NULL);
12101         }
12102 }
12103
12104 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12105 {
12106         struct net_device *dev = pci_get_drvdata(pdev);
12107         struct tg3 *tp = netdev_priv(dev);
12108         int err;
12109
12110         /* PCI register 4 needs to be saved whether netif_running() or not.
12111          * MSI address and data need to be saved if using MSI and
12112          * netif_running().
12113          */
12114         pci_save_state(pdev);
12115
12116         if (!netif_running(dev))
12117                 return 0;
12118
12119         flush_scheduled_work();
12120         tg3_netif_stop(tp);
12121
12122         del_timer_sync(&tp->timer);
12123
12124         tg3_full_lock(tp, 1);
12125         tg3_disable_ints(tp);
12126         tg3_full_unlock(tp);
12127
12128         netif_device_detach(dev);
12129
12130         tg3_full_lock(tp, 0);
12131         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
12132         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
12133         tg3_full_unlock(tp);
12134
12135         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12136         if (err) {
12137                 tg3_full_lock(tp, 0);
12138
12139                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12140                 if (tg3_restart_hw(tp, 1))
12141                         goto out;
12142
12143                 tp->timer.expires = jiffies + tp->timer_offset;
12144                 add_timer(&tp->timer);
12145
12146                 netif_device_attach(dev);
12147                 tg3_netif_start(tp);
12148
12149 out:
12150                 tg3_full_unlock(tp);
12151         }
12152
12153         return err;
12154 }
12155
12156 static int tg3_resume(struct pci_dev *pdev)
12157 {
12158         struct net_device *dev = pci_get_drvdata(pdev);
12159         struct tg3 *tp = netdev_priv(dev);
12160         int err;
12161
12162         pci_restore_state(tp->pdev);
12163
12164         if (!netif_running(dev))
12165                 return 0;
12166
12167         err = tg3_set_power_state(tp, PCI_D0);
12168         if (err)
12169                 return err;
12170
12171         /* Hardware bug - MSI won't work if INTX disabled. */
12172         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
12173             (tp->tg3_flags2 & TG3_FLG2_USING_MSI))
12174                 pci_intx(tp->pdev, 1);
12175
12176         netif_device_attach(dev);
12177
12178         tg3_full_lock(tp, 0);
12179
12180         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12181         err = tg3_restart_hw(tp, 1);
12182         if (err)
12183                 goto out;
12184
12185         tp->timer.expires = jiffies + tp->timer_offset;
12186         add_timer(&tp->timer);
12187
12188         tg3_netif_start(tp);
12189
12190 out:
12191         tg3_full_unlock(tp);
12192
12193         return err;
12194 }
12195
12196 static struct pci_driver tg3_driver = {
12197         .name           = DRV_MODULE_NAME,
12198         .id_table       = tg3_pci_tbl,
12199         .probe          = tg3_init_one,
12200         .remove         = __devexit_p(tg3_remove_one),
12201         .suspend        = tg3_suspend,
12202         .resume         = tg3_resume
12203 };
12204
12205 static int __init tg3_init(void)
12206 {
12207         return pci_register_driver(&tg3_driver);
12208 }
12209
12210 static void __exit tg3_cleanup(void)
12211 {
12212         pci_unregister_driver(&tg3_driver);
12213 }
12214
12215 module_init(tg3_init);
12216 module_exit(tg3_cleanup);