drivers/net/tg3.c

   1 /*
   2  * tg3.c: Broadcom Tigon3 ethernet driver.
   3  *
   4  * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
   5  * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
   6  * Copyright (C) 2004 Sun Microsystems Inc.
   7  * Copyright (C) 2005 Broadcom Corporation.
   8  *
   9  * Firmware is:
  10  *      Derived from proprietary unpublished source code,
  11  *      Copyright (C) 2000-2003 Broadcom Corporation.
  12  *
  13  *      Permission is hereby granted for the distribution of this firmware
  14  *      data in hexadecimal or equivalent format, provided this copyright
  15  *      notice is accompanying it.
  16  */
  17
  18
  19 #include <linux/module.h>
  20 #include <linux/moduleparam.h>
  21 #include <linux/kernel.h>
  22 #include <linux/types.h>
  23 #include <linux/compiler.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <linux/in.h>
  27 #include <linux/init.h>
  28 #include <linux/ioport.h>
  29 #include <linux/pci.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/mii.h>
  35 #include <linux/if_vlan.h>
  36 #include <linux/ip.h>
  37 #include <linux/tcp.h>
  38 #include <linux/workqueue.h>
  39 #include <linux/prefetch.h>
  40 #include <linux/dma-mapping.h>
  41
  42 #include <net/checksum.h>
  43
  44 #include <asm/system.h>
  45 #include <asm/io.h>
  46 #include <asm/byteorder.h>
  47 #include <asm/uaccess.h>
  48
  49 #ifdef CONFIG_SPARC64
  50 #include <asm/idprom.h>
  51 #include <asm/oplib.h>
  52 #include <asm/pbm.h>
  53 #endif
  54
  55 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  56 #define TG3_VLAN_TAG_USED 1
  57 #else
  58 #define TG3_VLAN_TAG_USED 0
  59 #endif
  60
  61 #ifdef NETIF_F_TSO
  62 #define TG3_TSO_SUPPORT 1
  63 #else
  64 #define TG3_TSO_SUPPORT 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.66"
  72 #define DRV_MODULE_RELDATE      "September 23, 2006"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 105
 106 /* Do not place this n-ring entries value into the tp struct itself,
 107  * we really want to expose these constants to GCC so that modulo et
 108  * al.  operations are done with shifts and masks instead of with
 109  * hw multiply/modulo instructions.  Another solution would be to
 110  * replace things like '% foo' with '& (foo - 1)'.
 111  */
 112 #define TG3_RX_RCB_RING_SIZE(tp)        \
 113         ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ?  512 : 1024)
 114
 115 #define TG3_TX_RING_SIZE                512
 116 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 117
 118 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 119                                  TG3_RX_RING_SIZE)
 120 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
 121                                  TG3_RX_JUMBO_RING_SIZE)
 122 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 123                                    TG3_RX_RCB_RING_SIZE(tp))
 124 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 125                                  TG3_TX_RING_SIZE)
 126 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 127
 128 #define RX_PKT_BUF_SZ           (1536 + tp->rx_offset + 64)
 129 #define RX_JUMBO_PKT_BUF_SZ     (9046 + tp->rx_offset + 64)
 130
 131 /* minimum number of free TX descriptors required to wake up TX process */
 132 #define TG3_TX_WAKEUP_THRESH            (TG3_TX_RING_SIZE / 4)
 133
 134 /* number of ETHTOOL_GSTATS u64's */
 135 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 136
 137 #define TG3_NUM_TEST            6
 138
 139 static char version[] __devinitdata =
 140         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 141
 142 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 143 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 144 MODULE_LICENSE("GPL");
 145 MODULE_VERSION(DRV_MODULE_VERSION);
 146
 147 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 148 module_param(tg3_debug, int, 0);
 149 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 150
 151 static struct pci_device_id tg3_pci_tbl[] = {
 152         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 153         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 154         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 155         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 156         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 157         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 158         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 159         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 160         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 161         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 211         {}
 212 };
 213
 214 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 215
 216 static const struct {
 217         const char string[ETH_GSTRING_LEN];
 218 } ethtool_stats_keys[TG3_NUM_STATS] = {
 219         { "rx_octets" },
 220         { "rx_fragments" },
 221         { "rx_ucast_packets" },
 222         { "rx_mcast_packets" },
 223         { "rx_bcast_packets" },
 224         { "rx_fcs_errors" },
 225         { "rx_align_errors" },
 226         { "rx_xon_pause_rcvd" },
 227         { "rx_xoff_pause_rcvd" },
 228         { "rx_mac_ctrl_rcvd" },
 229         { "rx_xoff_entered" },
 230         { "rx_frame_too_long_errors" },
 231         { "rx_jabbers" },
 232         { "rx_undersize_packets" },
 233         { "rx_in_length_errors" },
 234         { "rx_out_length_errors" },
 235         { "rx_64_or_less_octet_packets" },
 236         { "rx_65_to_127_octet_packets" },
 237         { "rx_128_to_255_octet_packets" },
 238         { "rx_256_to_511_octet_packets" },
 239         { "rx_512_to_1023_octet_packets" },
 240         { "rx_1024_to_1522_octet_packets" },
 241         { "rx_1523_to_2047_octet_packets" },
 242         { "rx_2048_to_4095_octet_packets" },
 243         { "rx_4096_to_8191_octet_packets" },
 244         { "rx_8192_to_9022_octet_packets" },
 245
 246         { "tx_octets" },
 247         { "tx_collisions" },
 248
 249         { "tx_xon_sent" },
 250         { "tx_xoff_sent" },
 251         { "tx_flow_control" },
 252         { "tx_mac_errors" },
 253         { "tx_single_collisions" },
 254         { "tx_mult_collisions" },
 255         { "tx_deferred" },
 256         { "tx_excessive_collisions" },
 257         { "tx_late_collisions" },
 258         { "tx_collide_2times" },
 259         { "tx_collide_3times" },
 260         { "tx_collide_4times" },
 261         { "tx_collide_5times" },
 262         { "tx_collide_6times" },
 263         { "tx_collide_7times" },
 264         { "tx_collide_8times" },
 265         { "tx_collide_9times" },
 266         { "tx_collide_10times" },
 267         { "tx_collide_11times" },
 268         { "tx_collide_12times" },
 269         { "tx_collide_13times" },
 270         { "tx_collide_14times" },
 271         { "tx_collide_15times" },
 272         { "tx_ucast_packets" },
 273         { "tx_mcast_packets" },
 274         { "tx_bcast_packets" },
 275         { "tx_carrier_sense_errors" },
 276         { "tx_discards" },
 277         { "tx_errors" },
 278
 279         { "dma_writeq_full" },
 280         { "dma_write_prioq_full" },
 281         { "rxbds_empty" },
 282         { "rx_discards" },
 283         { "rx_errors" },
 284         { "rx_threshold_hit" },
 285
 286         { "dma_readq_full" },
 287         { "dma_read_prioq_full" },
 288         { "tx_comp_queue_full" },
 289
 290         { "ring_set_send_prod_index" },
 291         { "ring_status_update" },
 292         { "nic_irqs" },
 293         { "nic_avoided_irqs" },
 294         { "nic_tx_threshold_hit" }
 295 };
 296
 297 static const struct {
 298         const char string[ETH_GSTRING_LEN];
 299 } ethtool_test_keys[TG3_NUM_TEST] = {
 300         { "nvram test     (online) " },
 301         { "link test      (online) " },
 302         { "register test  (offline)" },
 303         { "memory test    (offline)" },
 304         { "loopback test  (offline)" },
 305         { "interrupt test (offline)" },
 306 };
 307
 308 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 309 {
 310         writel(val, tp->regs + off);
 311 }
 312
 313 static u32 tg3_read32(struct tg3 *tp, u32 off)
 314 {
 315         return (readl(tp->regs + off));
 316 }
 317
 318 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 319 {
 320         unsigned long flags;
 321
 322         spin_lock_irqsave(&tp->indirect_lock, flags);
 323         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 324         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 325         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 326 }
 327
 328 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 329 {
 330         writel(val, tp->regs + off);
 331         readl(tp->regs + off);
 332 }
 333
 334 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 335 {
 336         unsigned long flags;
 337         u32 val;
 338
 339         spin_lock_irqsave(&tp->indirect_lock, flags);
 340         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 341         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 342         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 343         return val;
 344 }
 345
 346 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 347 {
 348         unsigned long flags;
 349
 350         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 351                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 352                                        TG3_64BIT_REG_LOW, val);
 353                 return;
 354         }
 355         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 356                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 357                                        TG3_64BIT_REG_LOW, val);
 358                 return;
 359         }
 360
 361         spin_lock_irqsave(&tp->indirect_lock, flags);
 362         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 363         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 364         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 365
 366         /* In indirect mode when disabling interrupts, we also need
 367          * to clear the interrupt bit in the GRC local ctrl register.
 368          */
 369         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 370             (val == 0x1)) {
 371                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 372                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 373         }
 374 }
 375
 376 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 377 {
 378         unsigned long flags;
 379         u32 val;
 380
 381         spin_lock_irqsave(&tp->indirect_lock, flags);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 383         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 384         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 385         return val;
 386 }
 387
 388 /* usec_wait specifies the wait time in usec when writing to certain registers
 389  * where it is unsafe to read back the register without some delay.
 390  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 391  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 392  */
 393 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 394 {
 395         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 396             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 397                 /* Non-posted methods */
 398                 tp->write32(tp, off, val);
 399         else {
 400                 /* Posted method */
 401                 tg3_write32(tp, off, val);
 402                 if (usec_wait)
 403                         udelay(usec_wait);
 404                 tp->read32(tp, off);
 405         }
 406         /* Wait again after the read for the posted method to guarantee that
 407          * the wait time is met.
 408          */
 409         if (usec_wait)
 410                 udelay(usec_wait);
 411 }
 412
 413 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 414 {
 415         tp->write32_mbox(tp, off, val);
 416         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 417             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 418                 tp->read32_mbox(tp, off);
 419 }
 420
 421 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 422 {
 423         void __iomem *mbox = tp->regs + off;
 424         writel(val, mbox);
 425         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 426                 writel(val, mbox);
 427         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 428                 readl(mbox);
 429 }
 430
 431 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 432 {
 433         return (readl(tp->regs + off + GRCMBOX_BASE));
 434 }
 435
 436 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 437 {
 438         writel(val, tp->regs + off + GRCMBOX_BASE);
 439 }
 440
 441 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 442 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 443 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 444 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 445 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 446
 447 #define tw32(reg,val)           tp->write32(tp, reg, val)
 448 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 449 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 450 #define tr32(reg)               tp->read32(tp, reg)
 451
 452 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 453 {
 454         unsigned long flags;
 455
 456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 457             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 458                 return;
 459
 460         spin_lock_irqsave(&tp->indirect_lock, flags);
 461         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 462                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 464
 465                 /* Always leave this as zero. */
 466                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 467         } else {
 468                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 469                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 470
 471                 /* Always leave this as zero. */
 472                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 473         }
 474         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 475 }
 476
 477 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 478 {
 479         unsigned long flags;
 480
 481         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 482             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 483                 *val = 0;
 484                 return;
 485         }
 486
 487         spin_lock_irqsave(&tp->indirect_lock, flags);
 488         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 489                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 490                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 491
 492                 /* Always leave this as zero. */
 493                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 494         } else {
 495                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 497
 498                 /* Always leave this as zero. */
 499                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         }
 501         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 502 }
 503
 504 static void tg3_disable_ints(struct tg3 *tp)
 505 {
 506         tw32(TG3PCI_MISC_HOST_CTRL,
 507              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 508         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 509 }
 510
 511 static inline void tg3_cond_int(struct tg3 *tp)
 512 {
 513         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 514             (tp->hw_status->status & SD_STATUS_UPDATED))
 515                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 516         else
 517                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 518                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 519 }
 520
 521 static void tg3_enable_ints(struct tg3 *tp)
 522 {
 523         tp->irq_sync = 0;
 524         wmb();
 525
 526         tw32(TG3PCI_MISC_HOST_CTRL,
 527              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 528         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 529                        (tp->last_tag << 24));
 530         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 531                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 532                                (tp->last_tag << 24));
 533         tg3_cond_int(tp);
 534 }
 535
 536 static inline unsigned int tg3_has_work(struct tg3 *tp)
 537 {
 538         struct tg3_hw_status *sblk = tp->hw_status;
 539         unsigned int work_exists = 0;
 540
 541         /* check for phy events */
 542         if (!(tp->tg3_flags &
 543               (TG3_FLAG_USE_LINKCHG_REG |
 544                TG3_FLAG_POLL_SERDES))) {
 545                 if (sblk->status & SD_STATUS_LINK_CHG)
 546                         work_exists = 1;
 547         }
 548         /* check for RX/TX work to do */
 549         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 550             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 551                 work_exists = 1;
 552
 553         return work_exists;
 554 }
 555
 556 /* tg3_restart_ints
 557  *  similar to tg3_enable_ints, but it accurately determines whether there
 558  *  is new work pending and can return without flushing the PIO write
 559  *  which reenables interrupts
 560  */
 561 static void tg3_restart_ints(struct tg3 *tp)
 562 {
 563         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 564                      tp->last_tag << 24);
 565         mmiowb();
 566
 567         /* When doing tagged status, this work check is unnecessary.
 568          * The last_tag we write above tells the chip which piece of
 569          * work we've completed.
 570          */
 571         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 572             tg3_has_work(tp))
 573                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 574                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 575 }
 576
 577 static inline void tg3_netif_stop(struct tg3 *tp)
 578 {
 579         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 580         netif_poll_disable(tp->dev);
 581         netif_tx_disable(tp->dev);
 582 }
 583
 584 static inline void tg3_netif_start(struct tg3 *tp)
 585 {
 586         netif_wake_queue(tp->dev);
 587         /* NOTE: unconditional netif_wake_queue is only appropriate
 588          * so long as all callers are assured to have free tx slots
 589          * (such as after tg3_init_hw)
 590          */
 591         netif_poll_enable(tp->dev);
 592         tp->hw_status->status |= SD_STATUS_UPDATED;
 593         tg3_enable_ints(tp);
 594 }
 595
 596 static void tg3_switch_clocks(struct tg3 *tp)
 597 {
 598         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 599         u32 orig_clock_ctrl;
 600
 601         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 602                 return;
 603
 604         orig_clock_ctrl = clock_ctrl;
 605         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 606                        CLOCK_CTRL_CLKRUN_OENABLE |
 607                        0x1f);
 608         tp->pci_clock_ctrl = clock_ctrl;
 609
 610         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 611                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 612                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 613                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 614                 }
 615         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 616                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 617                             clock_ctrl |
 618                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 619                             40);
 620                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 621                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 622                             40);
 623         }
 624         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 625 }
 626
 627 #define PHY_BUSY_LOOPS  5000
 628
 629 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 630 {
 631         u32 frame_val;
 632         unsigned int loops;
 633         int ret;
 634
 635         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 636                 tw32_f(MAC_MI_MODE,
 637                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 638                 udelay(80);
 639         }
 640
 641         *val = 0x0;
 642
 643         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 644                       MI_COM_PHY_ADDR_MASK);
 645         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 646                       MI_COM_REG_ADDR_MASK);
 647         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 648
 649         tw32_f(MAC_MI_COM, frame_val);
 650
 651         loops = PHY_BUSY_LOOPS;
 652         while (loops != 0) {
 653                 udelay(10);
 654                 frame_val = tr32(MAC_MI_COM);
 655
 656                 if ((frame_val & MI_COM_BUSY) == 0) {
 657                         udelay(5);
 658                         frame_val = tr32(MAC_MI_COM);
 659                         break;
 660                 }
 661                 loops -= 1;
 662         }
 663
 664         ret = -EBUSY;
 665         if (loops != 0) {
 666                 *val = frame_val & MI_COM_DATA_MASK;
 667                 ret = 0;
 668         }
 669
 670         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 671                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 672                 udelay(80);
 673         }
 674
 675         return ret;
 676 }
 677
 678 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 679 {
 680         u32 frame_val;
 681         unsigned int loops;
 682         int ret;
 683
 684         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 685             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 686                 return 0;
 687
 688         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 689                 tw32_f(MAC_MI_MODE,
 690                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 691                 udelay(80);
 692         }
 693
 694         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 695                       MI_COM_PHY_ADDR_MASK);
 696         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 697                       MI_COM_REG_ADDR_MASK);
 698         frame_val |= (val & MI_COM_DATA_MASK);
 699         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 700
 701         tw32_f(MAC_MI_COM, frame_val);
 702
 703         loops = PHY_BUSY_LOOPS;
 704         while (loops != 0) {
 705                 udelay(10);
 706                 frame_val = tr32(MAC_MI_COM);
 707                 if ((frame_val & MI_COM_BUSY) == 0) {
 708                         udelay(5);
 709                         frame_val = tr32(MAC_MI_COM);
 710                         break;
 711                 }
 712                 loops -= 1;
 713         }
 714
 715         ret = -EBUSY;
 716         if (loops != 0)
 717                 ret = 0;
 718
 719         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 720                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 721                 udelay(80);
 722         }
 723
 724         return ret;
 725 }
 726
 727 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 728 {
 729         u32 val;
 730
 731         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
 732                 return;
 733
 734         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
 735             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
 736                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
 737                              (val | (1 << 15) | (1 << 4)));
 738 }
 739
 740 static int tg3_bmcr_reset(struct tg3 *tp)
 741 {
 742         u32 phy_control;
 743         int limit, err;
 744
 745         /* OK, reset it, and poll the BMCR_RESET bit until it
 746          * clears or we time out.
 747          */
 748         phy_control = BMCR_RESET;
 749         err = tg3_writephy(tp, MII_BMCR, phy_control);
 750         if (err != 0)
 751                 return -EBUSY;
 752
 753         limit = 5000;
 754         while (limit--) {
 755                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 756                 if (err != 0)
 757                         return -EBUSY;
 758
 759                 if ((phy_control & BMCR_RESET) == 0) {
 760                         udelay(40);
 761                         break;
 762                 }
 763                 udelay(10);
 764         }
 765         if (limit <= 0)
 766                 return -EBUSY;
 767
 768         return 0;
 769 }
 770
 771 static int tg3_wait_macro_done(struct tg3 *tp)
 772 {
 773         int limit = 100;
 774
 775         while (limit--) {
 776                 u32 tmp32;
 777
 778                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
 779                         if ((tmp32 & 0x1000) == 0)
 780                                 break;
 781                 }
 782         }
 783         if (limit <= 0)
 784                 return -EBUSY;
 785
 786         return 0;
 787 }
 788
 789 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
 790 {
 791         static const u32 test_pat[4][6] = {
 792         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
 793         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
 794         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
 795         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
 796         };
 797         int chan;
 798
 799         for (chan = 0; chan < 4; chan++) {
 800                 int i;
 801
 802                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 803                              (chan * 0x2000) | 0x0200);
 804                 tg3_writephy(tp, 0x16, 0x0002);
 805
 806                 for (i = 0; i < 6; i++)
 807                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
 808                                      test_pat[chan][i]);
 809
 810                 tg3_writephy(tp, 0x16, 0x0202);
 811                 if (tg3_wait_macro_done(tp)) {
 812                         *resetp = 1;
 813                         return -EBUSY;
 814                 }
 815
 816                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 817                              (chan * 0x2000) | 0x0200);
 818                 tg3_writephy(tp, 0x16, 0x0082);
 819                 if (tg3_wait_macro_done(tp)) {
 820                         *resetp = 1;
 821                         return -EBUSY;
 822                 }
 823
 824                 tg3_writephy(tp, 0x16, 0x0802);
 825                 if (tg3_wait_macro_done(tp)) {
 826                         *resetp = 1;
 827                         return -EBUSY;
 828                 }
 829
 830                 for (i = 0; i < 6; i += 2) {
 831                         u32 low, high;
 832
 833                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
 834                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
 835                             tg3_wait_macro_done(tp)) {
 836                                 *resetp = 1;
 837                                 return -EBUSY;
 838                         }
 839                         low &= 0x7fff;
 840                         high &= 0x000f;
 841                         if (low != test_pat[chan][i] ||
 842                             high != test_pat[chan][i+1]) {
 843                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
 844                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
 845                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
 846
 847                                 return -EBUSY;
 848                         }
 849                 }
 850         }
 851
 852         return 0;
 853 }
 854
 855 static int tg3_phy_reset_chanpat(struct tg3 *tp)
 856 {
 857         int chan;
 858
 859         for (chan = 0; chan < 4; chan++) {
 860                 int i;
 861
 862                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 863                              (chan * 0x2000) | 0x0200);
 864                 tg3_writephy(tp, 0x16, 0x0002);
 865                 for (i = 0; i < 6; i++)
 866                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
 867                 tg3_writephy(tp, 0x16, 0x0202);
 868                 if (tg3_wait_macro_done(tp))
 869                         return -EBUSY;
 870         }
 871
 872         return 0;
 873 }
 874
 875 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 876 {
 877         u32 reg32, phy9_orig;
 878         int retries, do_phy_reset, err;
 879
 880         retries = 10;
 881         do_phy_reset = 1;
 882         do {
 883                 if (do_phy_reset) {
 884                         err = tg3_bmcr_reset(tp);
 885                         if (err)
 886                                 return err;
 887                         do_phy_reset = 0;
 888                 }
 889
 890                 /* Disable transmitter and interrupt.  */
 891                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
 892                         continue;
 893
 894                 reg32 |= 0x3000;
 895                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 896
 897                 /* Set full-duplex, 1000 mbps.  */
 898                 tg3_writephy(tp, MII_BMCR,
 899                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
 900
 901                 /* Set to master mode.  */
 902                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
 903                         continue;
 904
 905                 tg3_writephy(tp, MII_TG3_CTRL,
 906                              (MII_TG3_CTRL_AS_MASTER |
 907                               MII_TG3_CTRL_ENABLE_AS_MASTER));
 908
 909                 /* Enable SM_DSP_CLOCK and 6dB.  */
 910                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 911
 912                 /* Block the PHY control access.  */
 913                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 914                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
 915
 916                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
 917                 if (!err)
 918                         break;
 919         } while (--retries);
 920
 921         err = tg3_phy_reset_chanpat(tp);
 922         if (err)
 923                 return err;
 924
 925         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 926         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
 927
 928         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 929         tg3_writephy(tp, 0x16, 0x0000);
 930
 931         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 933                 /* Set Extended packet length bit for jumbo frames */
 934                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
 935         }
 936         else {
 937                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 938         }
 939
 940         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
 941
 942         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
 943                 reg32 &= ~0x3000;
 944                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 945         } else if (!err)
 946                 err = -EBUSY;
 947
 948         return err;
 949 }
 950
 951 static void tg3_link_report(struct tg3 *);
 952
 953 /* This will reset the tigon3 PHY if there is no valid
 954  * link unless the FORCE argument is non-zero.
 955  */
 956 static int tg3_phy_reset(struct tg3 *tp)
 957 {
 958         u32 phy_status;
 959         int err;
 960
 961         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
 962         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
 963         if (err != 0)
 964                 return -EBUSY;
 965
 966         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
 967                 netif_carrier_off(tp->dev);
 968                 tg3_link_report(tp);
 969         }
 970
 971         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 972             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
 973             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
 974                 err = tg3_phy_reset_5703_4_5(tp);
 975                 if (err)
 976                         return err;
 977                 goto out;
 978         }
 979
 980         err = tg3_bmcr_reset(tp);
 981         if (err)
 982                 return err;
 983
 984 out:
 985         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
 986                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 987                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
 988                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
 989                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
 990                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
 991                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 992         }
 993         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
 994                 tg3_writephy(tp, 0x1c, 0x8d68);
 995                 tg3_writephy(tp, 0x1c, 0x8d68);
 996         }
 997         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
 998                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 999                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1000                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1001                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1002                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1003                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1004                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1005                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1006         }
1007         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1008                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1009                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1010                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1011                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1012         }
1013         /* Set Extended packet length bit (bit 14) on all chips that */
1014         /* support jumbo frames */
1015         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1016                 /* Cannot do read-modify-write on 5401 */
1017                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1018         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1019                 u32 phy_reg;
1020
1021                 /* Set bit 14 with read-modify-write to preserve other bits */
1022                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1023                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1024                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1025         }
1026
1027         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1028          * jumbo frames transmission.
1029          */
1030         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1031                 u32 phy_reg;
1032
1033                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1034                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1035                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1036         }
1037
1038         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1039                 u32 phy_reg;
1040
1041                 /* adjust output voltage */
1042                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1043
1044                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1045                         u32 phy_reg2;
1046
1047                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1048                                      phy_reg | MII_TG3_EPHY_SHADOW_EN);
1049                         /* Enable auto-MDIX */
1050                         if (!tg3_readphy(tp, 0x10, &phy_reg2))
1051                                 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1052                         tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1053                 }
1054         }
1055
1056         tg3_phy_set_wirespeed(tp);
1057         return 0;
1058 }
1059
1060 static void tg3_frob_aux_power(struct tg3 *tp)
1061 {
1062         struct tg3 *tp_peer = tp;
1063
1064         if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
1065                 return;
1066
1067         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1068             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1069                 struct net_device *dev_peer;
1070
1071                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1072                 /* remove_one() may have been run on the peer. */
1073                 if (!dev_peer)
1074                         tp_peer = tp;
1075                 else
1076                         tp_peer = netdev_priv(dev_peer);
1077         }
1078
1079         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1080             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1081             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1082             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1083                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1084                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1085                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1086                                     (GRC_LCLCTRL_GPIO_OE0 |
1087                                      GRC_LCLCTRL_GPIO_OE1 |
1088                                      GRC_LCLCTRL_GPIO_OE2 |
1089                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1090                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1091                                     100);
1092                 } else {
1093                         u32 no_gpio2;
1094                         u32 grc_local_ctrl = 0;
1095
1096                         if (tp_peer != tp &&
1097                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1098                                 return;
1099
1100                         /* Workaround to prevent overdrawing Amps. */
1101                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1102                             ASIC_REV_5714) {
1103                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1104                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1105                                             grc_local_ctrl, 100);
1106                         }
1107
1108                         /* On 5753 and variants, GPIO2 cannot be used. */
1109                         no_gpio2 = tp->nic_sram_data_cfg &
1110                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1111
1112                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1113                                          GRC_LCLCTRL_GPIO_OE1 |
1114                                          GRC_LCLCTRL_GPIO_OE2 |
1115                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1116                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1117                         if (no_gpio2) {
1118                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1119                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1120                         }
1121                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1122                                                     grc_local_ctrl, 100);
1123
1124                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1125
1126                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1127                                                     grc_local_ctrl, 100);
1128
1129                         if (!no_gpio2) {
1130                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1131                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1132                                             grc_local_ctrl, 100);
1133                         }
1134                 }
1135         } else {
1136                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1137                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1138                         if (tp_peer != tp &&
1139                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1140                                 return;
1141
1142                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1143                                     (GRC_LCLCTRL_GPIO_OE1 |
1144                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1145
1146                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1147                                     GRC_LCLCTRL_GPIO_OE1, 100);
1148
1149                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1150                                     (GRC_LCLCTRL_GPIO_OE1 |
1151                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1152                 }
1153         }
1154 }
1155
1156 static int tg3_setup_phy(struct tg3 *, int);
1157
1158 #define RESET_KIND_SHUTDOWN     0
1159 #define RESET_KIND_INIT         1
1160 #define RESET_KIND_SUSPEND      2
1161
1162 static void tg3_write_sig_post_reset(struct tg3 *, int);
1163 static int tg3_halt_cpu(struct tg3 *, u32);
1164 static int tg3_nvram_lock(struct tg3 *);
1165 static void tg3_nvram_unlock(struct tg3 *);
1166
1167 static void tg3_power_down_phy(struct tg3 *tp)
1168 {
1169         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
1170                 return;
1171
1172         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1173                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1174                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1175                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1176         }
1177
1178         /* The PHY should not be powered down on some chips because
1179          * of bugs.
1180          */
1181         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1182             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1183             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1184              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1185                 return;
1186         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1187 }
1188
1189 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1190 {
1191         u32 misc_host_ctrl;
1192         u16 power_control, power_caps;
1193         int pm = tp->pm_cap;
1194
1195         /* Make sure register accesses (indirect or otherwise)
1196          * will function correctly.
1197          */
1198         pci_write_config_dword(tp->pdev,
1199                                TG3PCI_MISC_HOST_CTRL,
1200                                tp->misc_host_ctrl);
1201
1202         pci_read_config_word(tp->pdev,
1203                              pm + PCI_PM_CTRL,
1204                              &power_control);
1205         power_control |= PCI_PM_CTRL_PME_STATUS;
1206         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1207         switch (state) {
1208         case PCI_D0:
1209                 power_control |= 0;
1210                 pci_write_config_word(tp->pdev,
1211                                       pm + PCI_PM_CTRL,
1212                                       power_control);
1213                 udelay(100);    /* Delay after power state change */
1214
1215                 /* Switch out of Vaux if it is not a LOM */
1216                 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
1217                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1218
1219                 return 0;
1220
1221         case PCI_D1:
1222                 power_control |= 1;
1223                 break;
1224
1225         case PCI_D2:
1226                 power_control |= 2;
1227                 break;
1228
1229         case PCI_D3hot:
1230                 power_control |= 3;
1231                 break;
1232
1233         default:
1234                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1235                        "requested.\n",
1236                        tp->dev->name, state);
1237                 return -EINVAL;
1238         };
1239
1240         power_control |= PCI_PM_CTRL_PME_ENABLE;
1241
1242         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1243         tw32(TG3PCI_MISC_HOST_CTRL,
1244              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1245
1246         if (tp->link_config.phy_is_low_power == 0) {
1247                 tp->link_config.phy_is_low_power = 1;
1248                 tp->link_config.orig_speed = tp->link_config.speed;
1249                 tp->link_config.orig_duplex = tp->link_config.duplex;
1250                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1251         }
1252
1253         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1254                 tp->link_config.speed = SPEED_10;
1255                 tp->link_config.duplex = DUPLEX_HALF;
1256                 tp->link_config.autoneg = AUTONEG_ENABLE;
1257                 tg3_setup_phy(tp, 0);
1258         }
1259
1260         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1261                 u32 val;
1262
1263                 val = tr32(GRC_VCPU_EXT_CTRL);
1264                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1265         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1266                 int i;
1267                 u32 val;
1268
1269                 for (i = 0; i < 200; i++) {
1270                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1271                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1272                                 break;
1273                         msleep(1);
1274                 }
1275         }
1276         tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1277                                              WOL_DRV_STATE_SHUTDOWN |
1278                                              WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1279
1280         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1281
1282         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1283                 u32 mac_mode;
1284
1285                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1286                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1287                         udelay(40);
1288
1289                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1290                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1291                         else
1292                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1293
1294                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1295                             !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1296                                 mac_mode |= MAC_MODE_LINK_POLARITY;
1297                 } else {
1298                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1299                 }
1300
1301                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1302                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1303
1304                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1305                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1306                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1307
1308                 tw32_f(MAC_MODE, mac_mode);
1309                 udelay(100);
1310
1311                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1312                 udelay(10);
1313         }
1314
1315         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1316             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1317              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1318                 u32 base_val;
1319
1320                 base_val = tp->pci_clock_ctrl;
1321                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1322                              CLOCK_CTRL_TXCLK_DISABLE);
1323
1324                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1325                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1326         } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
1327                 /* do nothing */
1328         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1329                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1330                 u32 newbits1, newbits2;
1331
1332                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1333                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1334                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1335                                     CLOCK_CTRL_TXCLK_DISABLE |
1336                                     CLOCK_CTRL_ALTCLK);
1337                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1338                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1339                         newbits1 = CLOCK_CTRL_625_CORE;
1340                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1341                 } else {
1342                         newbits1 = CLOCK_CTRL_ALTCLK;
1343                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1344                 }
1345
1346                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1347                             40);
1348
1349                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1350                             40);
1351
1352                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1353                         u32 newbits3;
1354
1355                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1356                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1357                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1358                                             CLOCK_CTRL_TXCLK_DISABLE |
1359                                             CLOCK_CTRL_44MHZ_CORE);
1360                         } else {
1361                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1362                         }
1363
1364                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1365                                     tp->pci_clock_ctrl | newbits3, 40);
1366                 }
1367         }
1368
1369         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1370             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1371                 tg3_power_down_phy(tp);
1372
1373         tg3_frob_aux_power(tp);
1374
1375         /* Workaround for unstable PLL clock */
1376         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1377             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1378                 u32 val = tr32(0x7d00);
1379
1380                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1381                 tw32(0x7d00, val);
1382                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1383                         int err;
1384
1385                         err = tg3_nvram_lock(tp);
1386                         tg3_halt_cpu(tp, RX_CPU_BASE);
1387                         if (!err)
1388                                 tg3_nvram_unlock(tp);
1389                 }
1390         }
1391
1392         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1393
1394         /* Finally, set the new power state. */
1395         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1396         udelay(100);    /* Delay after power state change */
1397
1398         return 0;
1399 }
1400
1401 static void tg3_link_report(struct tg3 *tp)
1402 {
1403         if (!netif_carrier_ok(tp->dev)) {
1404                 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1405         } else {
1406                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1407                        tp->dev->name,
1408                        (tp->link_config.active_speed == SPEED_1000 ?
1409                         1000 :
1410                         (tp->link_config.active_speed == SPEED_100 ?
1411                          100 : 10)),
1412                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1413                         "full" : "half"));
1414
1415                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1416                        "%s for RX.\n",
1417                        tp->dev->name,
1418                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1419                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1420         }
1421 }
1422
1423 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1424 {
1425         u32 new_tg3_flags = 0;
1426         u32 old_rx_mode = tp->rx_mode;
1427         u32 old_tx_mode = tp->tx_mode;
1428
1429         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1430
1431                 /* Convert 1000BaseX flow control bits to 1000BaseT
1432                  * bits before resolving flow control.
1433                  */
1434                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1435                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1436                                        ADVERTISE_PAUSE_ASYM);
1437                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1438
1439                         if (local_adv & ADVERTISE_1000XPAUSE)
1440                                 local_adv |= ADVERTISE_PAUSE_CAP;
1441                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1442                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1443                         if (remote_adv & LPA_1000XPAUSE)
1444                                 remote_adv |= LPA_PAUSE_CAP;
1445                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1446                                 remote_adv |= LPA_PAUSE_ASYM;
1447                 }
1448
1449                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1450                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1451                                 if (remote_adv & LPA_PAUSE_CAP)
1452                                         new_tg3_flags |=
1453                                                 (TG3_FLAG_RX_PAUSE |
1454                                                 TG3_FLAG_TX_PAUSE);
1455                                 else if (remote_adv & LPA_PAUSE_ASYM)
1456                                         new_tg3_flags |=
1457                                                 (TG3_FLAG_RX_PAUSE);
1458                         } else {
1459                                 if (remote_adv & LPA_PAUSE_CAP)
1460                                         new_tg3_flags |=
1461                                                 (TG3_FLAG_RX_PAUSE |
1462                                                 TG3_FLAG_TX_PAUSE);
1463                         }
1464                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1465                         if ((remote_adv & LPA_PAUSE_CAP) &&
1466                         (remote_adv & LPA_PAUSE_ASYM))
1467                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1468                 }
1469
1470                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1471                 tp->tg3_flags |= new_tg3_flags;
1472         } else {
1473                 new_tg3_flags = tp->tg3_flags;
1474         }
1475
1476         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1477                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1478         else
1479                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1480
1481         if (old_rx_mode != tp->rx_mode) {
1482                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1483         }
1484
1485         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1486                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1487         else
1488                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1489
1490         if (old_tx_mode != tp->tx_mode) {
1491                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1492         }
1493 }
1494
1495 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1496 {
1497         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1498         case MII_TG3_AUX_STAT_10HALF:
1499                 *speed = SPEED_10;
1500                 *duplex = DUPLEX_HALF;
1501                 break;
1502
1503         case MII_TG3_AUX_STAT_10FULL:
1504                 *speed = SPEED_10;
1505                 *duplex = DUPLEX_FULL;
1506                 break;
1507
1508         case MII_TG3_AUX_STAT_100HALF:
1509                 *speed = SPEED_100;
1510                 *duplex = DUPLEX_HALF;
1511                 break;
1512
1513         case MII_TG3_AUX_STAT_100FULL:
1514                 *speed = SPEED_100;
1515                 *duplex = DUPLEX_FULL;
1516                 break;
1517
1518         case MII_TG3_AUX_STAT_1000HALF:
1519                 *speed = SPEED_1000;
1520                 *duplex = DUPLEX_HALF;
1521                 break;
1522
1523         case MII_TG3_AUX_STAT_1000FULL:
1524                 *speed = SPEED_1000;
1525                 *duplex = DUPLEX_FULL;
1526                 break;
1527
1528         default:
1529                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1530                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1531                                  SPEED_10;
1532                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1533                                   DUPLEX_HALF;
1534                         break;
1535                 }
1536                 *speed = SPEED_INVALID;
1537                 *duplex = DUPLEX_INVALID;
1538                 break;
1539         };
1540 }
1541
1542 static void tg3_phy_copper_begin(struct tg3 *tp)
1543 {
1544         u32 new_adv;
1545         int i;
1546
1547         if (tp->link_config.phy_is_low_power) {
1548                 /* Entering low power mode.  Disable gigabit and
1549                  * 100baseT advertisements.
1550                  */
1551                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1552
1553                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1554                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1555                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1556                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1557
1558                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1559         } else if (tp->link_config.speed == SPEED_INVALID) {
1560                 tp->link_config.advertising =
1561                         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1562                          ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1563                          ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1564                          ADVERTISED_Autoneg | ADVERTISED_MII);
1565
1566                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1567                         tp->link_config.advertising &=
1568                                 ~(ADVERTISED_1000baseT_Half |
1569                                   ADVERTISED_1000baseT_Full);
1570
1571                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1572                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1573                         new_adv |= ADVERTISE_10HALF;
1574                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1575                         new_adv |= ADVERTISE_10FULL;
1576                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1577                         new_adv |= ADVERTISE_100HALF;
1578                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1579                         new_adv |= ADVERTISE_100FULL;
1580                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1581
1582                 if (tp->link_config.advertising &
1583                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1584                         new_adv = 0;
1585                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1586                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1587                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1588                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1589                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1590                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1591                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1592                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1593                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1594                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1595                 } else {
1596                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1597                 }
1598         } else {
1599                 /* Asking for a specific link mode. */
1600                 if (tp->link_config.speed == SPEED_1000) {
1601                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1602                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1603
1604                         if (tp->link_config.duplex == DUPLEX_FULL)
1605                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1606                         else
1607                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1608                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1609                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1610                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1611                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1612                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1613                 } else {
1614                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1615
1616                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1617                         if (tp->link_config.speed == SPEED_100) {
1618                                 if (tp->link_config.duplex == DUPLEX_FULL)
1619                                         new_adv |= ADVERTISE_100FULL;
1620                                 else
1621                                         new_adv |= ADVERTISE_100HALF;
1622                         } else {
1623                                 if (tp->link_config.duplex == DUPLEX_FULL)
1624                                         new_adv |= ADVERTISE_10FULL;
1625                                 else
1626                                         new_adv |= ADVERTISE_10HALF;
1627                         }
1628                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1629                 }
1630         }
1631
1632         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1633             tp->link_config.speed != SPEED_INVALID) {
1634                 u32 bmcr, orig_bmcr;
1635
1636                 tp->link_config.active_speed = tp->link_config.speed;
1637                 tp->link_config.active_duplex = tp->link_config.duplex;
1638
1639                 bmcr = 0;
1640                 switch (tp->link_config.speed) {
1641                 default:
1642                 case SPEED_10:
1643                         break;
1644
1645                 case SPEED_100:
1646                         bmcr |= BMCR_SPEED100;
1647                         break;
1648
1649                 case SPEED_1000:
1650                         bmcr |= TG3_BMCR_SPEED1000;
1651                         break;
1652                 };
1653
1654                 if (tp->link_config.duplex == DUPLEX_FULL)
1655                         bmcr |= BMCR_FULLDPLX;
1656
1657                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1658                     (bmcr != orig_bmcr)) {
1659                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1660                         for (i = 0; i < 1500; i++) {
1661                                 u32 tmp;
1662
1663                                 udelay(10);
1664                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1665                                     tg3_readphy(tp, MII_BMSR, &tmp))
1666                                         continue;
1667                                 if (!(tmp & BMSR_LSTATUS)) {
1668                                         udelay(40);
1669                                         break;
1670                                 }
1671                         }
1672                         tg3_writephy(tp, MII_BMCR, bmcr);
1673                         udelay(40);
1674                 }
1675         } else {
1676                 tg3_writephy(tp, MII_BMCR,
1677                              BMCR_ANENABLE | BMCR_ANRESTART);
1678         }
1679 }
1680
1681 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1682 {
1683         int err;
1684
1685         /* Turn off tap power management. */
1686         /* Set Extended packet length bit */
1687         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1688
1689         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1690         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1691
1692         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1693         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1694
1695         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1696         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1697
1698         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1699         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1700
1701         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1702         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1703
1704         udelay(40);
1705
1706         return err;
1707 }
1708
1709 static int tg3_copper_is_advertising_all(struct tg3 *tp)
1710 {
1711         u32 adv_reg, all_mask;
1712
1713         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1714                 return 0;
1715
1716         all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1717                     ADVERTISE_100HALF | ADVERTISE_100FULL);
1718         if ((adv_reg & all_mask) != all_mask)
1719                 return 0;
1720         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1721                 u32 tg3_ctrl;
1722
1723                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1724                         return 0;
1725
1726                 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1727                             MII_TG3_CTRL_ADV_1000_FULL);
1728                 if ((tg3_ctrl & all_mask) != all_mask)
1729                         return 0;
1730         }
1731         return 1;
1732 }
1733
1734 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1735 {
1736         int current_link_up;
1737         u32 bmsr, dummy;
1738         u16 current_speed;
1739         u8 current_duplex;
1740         int i, err;
1741
1742         tw32(MAC_EVENT, 0);
1743
1744         tw32_f(MAC_STATUS,
1745              (MAC_STATUS_SYNC_CHANGED |
1746               MAC_STATUS_CFG_CHANGED |
1747               MAC_STATUS_MI_COMPLETION |
1748               MAC_STATUS_LNKSTATE_CHANGED));
1749         udelay(40);
1750
1751         tp->mi_mode = MAC_MI_MODE_BASE;
1752         tw32_f(MAC_MI_MODE, tp->mi_mode);
1753         udelay(80);
1754
1755         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1756
1757         /* Some third-party PHYs need to be reset on link going
1758          * down.
1759          */
1760         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1761              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1762              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1763             netif_carrier_ok(tp->dev)) {
1764                 tg3_readphy(tp, MII_BMSR, &bmsr);
1765                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1766                     !(bmsr & BMSR_LSTATUS))
1767                         force_reset = 1;
1768         }
1769         if (force_reset)
1770                 tg3_phy_reset(tp);
1771
1772         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1773                 tg3_readphy(tp, MII_BMSR, &bmsr);
1774                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1775                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1776                         bmsr = 0;
1777
1778                 if (!(bmsr & BMSR_LSTATUS)) {
1779                         err = tg3_init_5401phy_dsp(tp);
1780                         if (err)
1781                                 return err;
1782
1783                         tg3_readphy(tp, MII_BMSR, &bmsr);
1784                         for (i = 0; i < 1000; i++) {
1785                                 udelay(10);
1786                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1787                                     (bmsr & BMSR_LSTATUS)) {
1788                                         udelay(40);
1789                                         break;
1790                                 }
1791                         }
1792
1793                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1794                             !(bmsr & BMSR_LSTATUS) &&
1795                             tp->link_config.active_speed == SPEED_1000) {
1796                                 err = tg3_phy_reset(tp);
1797                                 if (!err)
1798                                         err = tg3_init_5401phy_dsp(tp);
1799                                 if (err)
1800                                         return err;
1801                         }
1802                 }
1803         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1804                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1805                 /* 5701 {A0,B0} CRC bug workaround */
1806                 tg3_writephy(tp, 0x15, 0x0a75);
1807                 tg3_writephy(tp, 0x1c, 0x8c68);
1808                 tg3_writephy(tp, 0x1c, 0x8d68);
1809                 tg3_writephy(tp, 0x1c, 0x8c68);
1810         }
1811
1812         /* Clear pending interrupts... */
1813         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1814         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1815
1816         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1817                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1818         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1819                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1820
1821         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1822             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1823                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1824                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1825                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1826                 else
1827                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1828         }
1829
1830         current_link_up = 0;
1831         current_speed = SPEED_INVALID;
1832         current_duplex = DUPLEX_INVALID;
1833
1834         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1835                 u32 val;
1836
1837                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1838                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1839                 if (!(val & (1 << 10))) {
1840                         val |= (1 << 10);
1841                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1842                         goto relink;
1843                 }
1844         }
1845
1846         bmsr = 0;
1847         for (i = 0; i < 100; i++) {
1848                 tg3_readphy(tp, MII_BMSR, &bmsr);
1849                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850                     (bmsr & BMSR_LSTATUS))
1851                         break;
1852                 udelay(40);
1853         }
1854
1855         if (bmsr & BMSR_LSTATUS) {
1856                 u32 aux_stat, bmcr;
1857
1858                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1859                 for (i = 0; i < 2000; i++) {
1860                         udelay(10);
1861                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1862                             aux_stat)
1863                                 break;
1864                 }
1865
1866                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1867                                              &current_speed,
1868                                              &current_duplex);
1869
1870                 bmcr = 0;
1871                 for (i = 0; i < 200; i++) {
1872                         tg3_readphy(tp, MII_BMCR, &bmcr);
1873                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1874                                 continue;
1875                         if (bmcr && bmcr != 0x7fff)
1876                                 break;
1877                         udelay(10);
1878                 }
1879
1880                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1881                         if (bmcr & BMCR_ANENABLE) {
1882                                 current_link_up = 1;
1883
1884                                 /* Force autoneg restart if we are exiting
1885                                  * low power mode.
1886                                  */
1887                                 if (!tg3_copper_is_advertising_all(tp))
1888                                         current_link_up = 0;
1889                         } else {
1890                                 current_link_up = 0;
1891                         }
1892                 } else {
1893                         if (!(bmcr & BMCR_ANENABLE) &&
1894                             tp->link_config.speed == current_speed &&
1895                             tp->link_config.duplex == current_duplex) {
1896                                 current_link_up = 1;
1897                         } else {
1898                                 current_link_up = 0;
1899                         }
1900                 }
1901
1902                 tp->link_config.active_speed = current_speed;
1903                 tp->link_config.active_duplex = current_duplex;
1904         }
1905
1906         if (current_link_up == 1 &&
1907             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1908             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1909                 u32 local_adv, remote_adv;
1910
1911                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1912                         local_adv = 0;
1913                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1914
1915                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1916                         remote_adv = 0;
1917
1918                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1919
1920                 /* If we are not advertising full pause capability,
1921                  * something is wrong.  Bring the link down and reconfigure.
1922                  */
1923                 if (local_adv != ADVERTISE_PAUSE_CAP) {
1924                         current_link_up = 0;
1925                 } else {
1926                         tg3_setup_flow_control(tp, local_adv, remote_adv);
1927                 }
1928         }
1929 relink:
1930         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1931                 u32 tmp;
1932
1933                 tg3_phy_copper_begin(tp);
1934
1935                 tg3_readphy(tp, MII_BMSR, &tmp);
1936                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1937                     (tmp & BMSR_LSTATUS))
1938                         current_link_up = 1;
1939         }
1940
1941         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1942         if (current_link_up == 1) {
1943                 if (tp->link_config.active_speed == SPEED_100 ||
1944                     tp->link_config.active_speed == SPEED_10)
1945                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1946                 else
1947                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1948         } else
1949                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1950
1951         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1952         if (tp->link_config.active_duplex == DUPLEX_HALF)
1953                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1954
1955         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1956         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1957                 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1958                     (current_link_up == 1 &&
1959                      tp->link_config.active_speed == SPEED_10))
1960                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1961         } else {
1962                 if (current_link_up == 1)
1963                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1964         }
1965
1966         /* ??? Without this setting Netgear GA302T PHY does not
1967          * ??? send/receive packets...
1968          */
1969         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1970             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1971                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1972                 tw32_f(MAC_MI_MODE, tp->mi_mode);
1973                 udelay(80);
1974         }
1975
1976         tw32_f(MAC_MODE, tp->mac_mode);
1977         udelay(40);
1978
1979         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1980                 /* Polled via timer. */
1981                 tw32_f(MAC_EVENT, 0);
1982         } else {
1983                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1984         }
1985         udelay(40);
1986
1987         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1988             current_link_up == 1 &&
1989             tp->link_config.active_speed == SPEED_1000 &&
1990             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1991              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1992                 udelay(120);
1993                 tw32_f(MAC_STATUS,
1994                      (MAC_STATUS_SYNC_CHANGED |
1995                       MAC_STATUS_CFG_CHANGED));
1996                 udelay(40);
1997                 tg3_write_mem(tp,
1998                               NIC_SRAM_FIRMWARE_MBOX,
1999                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2000         }
2001
2002         if (current_link_up != netif_carrier_ok(tp->dev)) {
2003                 if (current_link_up)
2004                         netif_carrier_on(tp->dev);
2005                 else
2006                         netif_carrier_off(tp->dev);
2007                 tg3_link_report(tp);
2008         }
2009
2010         return 0;
2011 }
2012
2013 struct tg3_fiber_aneginfo {
2014         int state;
2015 #define ANEG_STATE_UNKNOWN              0
2016 #define ANEG_STATE_AN_ENABLE            1
2017 #define ANEG_STATE_RESTART_INIT         2
2018 #define ANEG_STATE_RESTART              3
2019 #define ANEG_STATE_DISABLE_LINK_OK      4
2020 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2021 #define ANEG_STATE_ABILITY_DETECT       6
2022 #define ANEG_STATE_ACK_DETECT_INIT      7
2023 #define ANEG_STATE_ACK_DETECT           8
2024 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2025 #define ANEG_STATE_COMPLETE_ACK         10
2026 #define ANEG_STATE_IDLE_DETECT_INIT     11
2027 #define ANEG_STATE_IDLE_DETECT          12
2028 #define ANEG_STATE_LINK_OK              13
2029 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2030 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2031
2032         u32 flags;
2033 #define MR_AN_ENABLE            0x00000001
2034 #define MR_RESTART_AN           0x00000002
2035 #define MR_AN_COMPLETE          0x00000004
2036 #define MR_PAGE_RX              0x00000008
2037 #define MR_NP_LOADED            0x00000010
2038 #define MR_TOGGLE_TX            0x00000020
2039 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2040 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2041 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2042 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2043 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2044 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2045 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2046 #define MR_TOGGLE_RX            0x00002000
2047 #define MR_NP_RX                0x00004000
2048
2049 #define MR_LINK_OK              0x80000000
2050
2051         unsigned long link_time, cur_time;
2052
2053         u32 ability_match_cfg;
2054         int ability_match_count;
2055
2056         char ability_match, idle_match, ack_match;
2057
2058         u32 txconfig, rxconfig;
2059 #define ANEG_CFG_NP             0x00000080
2060 #define ANEG_CFG_ACK            0x00000040
2061 #define ANEG_CFG_RF2            0x00000020
2062 #define ANEG_CFG_RF1            0x00000010
2063 #define ANEG_CFG_PS2            0x00000001
2064 #define ANEG_CFG_PS1            0x00008000
2065 #define ANEG_CFG_HD             0x00004000
2066 #define ANEG_CFG_FD             0x00002000
2067 #define ANEG_CFG_INVAL          0x00001f06
2068
2069 };
2070 #define ANEG_OK         0
2071 #define ANEG_DONE       1
2072 #define ANEG_TIMER_ENAB 2
2073 #define ANEG_FAILED     -1
2074
2075 #define ANEG_STATE_SETTLE_TIME  10000
2076
2077 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2078                                    struct tg3_fiber_aneginfo *ap)
2079 {
2080         unsigned long delta;
2081         u32 rx_cfg_reg;
2082         int ret;
2083
2084         if (ap->state == ANEG_STATE_UNKNOWN) {
2085                 ap->rxconfig = 0;
2086                 ap->link_time = 0;
2087                 ap->cur_time = 0;
2088                 ap->ability_match_cfg = 0;
2089                 ap->ability_match_count = 0;
2090                 ap->ability_match = 0;
2091                 ap->idle_match = 0;
2092                 ap->ack_match = 0;
2093         }
2094         ap->cur_time++;
2095
2096         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2097                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2098
2099                 if (rx_cfg_reg != ap->ability_match_cfg) {
2100                         ap->ability_match_cfg = rx_cfg_reg;
2101                         ap->ability_match = 0;
2102                         ap->ability_match_count = 0;
2103                 } else {
2104                         if (++ap->ability_match_count > 1) {
2105                                 ap->ability_match = 1;
2106                                 ap->ability_match_cfg = rx_cfg_reg;
2107                         }
2108                 }
2109                 if (rx_cfg_reg & ANEG_CFG_ACK)
2110                         ap->ack_match = 1;
2111                 else
2112                         ap->ack_match = 0;
2113
2114                 ap->idle_match = 0;
2115         } else {
2116                 ap->idle_match = 1;
2117                 ap->ability_match_cfg = 0;
2118                 ap->ability_match_count = 0;
2119                 ap->ability_match = 0;
2120                 ap->ack_match = 0;
2121
2122                 rx_cfg_reg = 0;
2123         }
2124
2125         ap->rxconfig = rx_cfg_reg;
2126         ret = ANEG_OK;
2127
2128         switch(ap->state) {
2129         case ANEG_STATE_UNKNOWN:
2130                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2131                         ap->state = ANEG_STATE_AN_ENABLE;
2132
2133                 /* fallthru */
2134         case ANEG_STATE_AN_ENABLE:
2135                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2136                 if (ap->flags & MR_AN_ENABLE) {
2137                         ap->link_time = 0;
2138                         ap->cur_time = 0;
2139                         ap->ability_match_cfg = 0;
2140                         ap->ability_match_count = 0;
2141                         ap->ability_match = 0;
2142                         ap->idle_match = 0;
2143                         ap->ack_match = 0;
2144
2145                         ap->state = ANEG_STATE_RESTART_INIT;
2146                 } else {
2147                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2148                 }
2149                 break;
2150
2151         case ANEG_STATE_RESTART_INIT:
2152                 ap->link_time = ap->cur_time;
2153                 ap->flags &= ~(MR_NP_LOADED);
2154                 ap->txconfig = 0;
2155                 tw32(MAC_TX_AUTO_NEG, 0);
2156                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2157                 tw32_f(MAC_MODE, tp->mac_mode);
2158                 udelay(40);
2159
2160                 ret = ANEG_TIMER_ENAB;
2161                 ap->state = ANEG_STATE_RESTART;
2162
2163                 /* fallthru */
2164         case ANEG_STATE_RESTART:
2165                 delta = ap->cur_time - ap->link_time;
2166                 if (delta > ANEG_STATE_SETTLE_TIME) {
2167                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2168                 } else {
2169                         ret = ANEG_TIMER_ENAB;
2170                 }
2171                 break;
2172
2173         case ANEG_STATE_DISABLE_LINK_OK:
2174                 ret = ANEG_DONE;
2175                 break;
2176
2177         case ANEG_STATE_ABILITY_DETECT_INIT:
2178                 ap->flags &= ~(MR_TOGGLE_TX);
2179                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2180                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2181                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2182                 tw32_f(MAC_MODE, tp->mac_mode);
2183                 udelay(40);
2184
2185                 ap->state = ANEG_STATE_ABILITY_DETECT;
2186                 break;
2187
2188         case ANEG_STATE_ABILITY_DETECT:
2189                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2190                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2191                 }
2192                 break;
2193
2194         case ANEG_STATE_ACK_DETECT_INIT:
2195                 ap->txconfig |= ANEG_CFG_ACK;
2196                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2197                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2198                 tw32_f(MAC_MODE, tp->mac_mode);
2199                 udelay(40);
2200
2201                 ap->state = ANEG_STATE_ACK_DETECT;
2202
2203                 /* fallthru */
2204         case ANEG_STATE_ACK_DETECT:
2205                 if (ap->ack_match != 0) {
2206                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2207                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2208                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2209                         } else {
2210                                 ap->state = ANEG_STATE_AN_ENABLE;
2211                         }
2212                 } else if (ap->ability_match != 0 &&
2213                            ap->rxconfig == 0) {
2214                         ap->state = ANEG_STATE_AN_ENABLE;
2215                 }
2216                 break;
2217
2218         case ANEG_STATE_COMPLETE_ACK_INIT:
2219                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2220                         ret = ANEG_FAILED;
2221                         break;
2222                 }
2223                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2224                                MR_LP_ADV_HALF_DUPLEX |
2225                                MR_LP_ADV_SYM_PAUSE |
2226                                MR_LP_ADV_ASYM_PAUSE |
2227                                MR_LP_ADV_REMOTE_FAULT1 |
2228                                MR_LP_ADV_REMOTE_FAULT2 |
2229                                MR_LP_ADV_NEXT_PAGE |
2230                                MR_TOGGLE_RX |
2231                                MR_NP_RX);
2232                 if (ap->rxconfig & ANEG_CFG_FD)
2233                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2234                 if (ap->rxconfig & ANEG_CFG_HD)
2235                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2236                 if (ap->rxconfig & ANEG_CFG_PS1)
2237                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2238                 if (ap->rxconfig & ANEG_CFG_PS2)
2239                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2240                 if (ap->rxconfig & ANEG_CFG_RF1)
2241                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2242                 if (ap->rxconfig & ANEG_CFG_RF2)
2243                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2244                 if (ap->rxconfig & ANEG_CFG_NP)
2245                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2246
2247                 ap->link_time = ap->cur_time;
2248
2249                 ap->flags ^= (MR_TOGGLE_TX);
2250                 if (ap->rxconfig & 0x0008)
2251                         ap->flags |= MR_TOGGLE_RX;
2252                 if (ap->rxconfig & ANEG_CFG_NP)
2253                         ap->flags |= MR_NP_RX;
2254                 ap->flags |= MR_PAGE_RX;
2255
2256                 ap->state = ANEG_STATE_COMPLETE_ACK;
2257                 ret = ANEG_TIMER_ENAB;
2258                 break;
2259
2260         case ANEG_STATE_COMPLETE_ACK:
2261                 if (ap->ability_match != 0 &&
2262                     ap->rxconfig == 0) {
2263                         ap->state = ANEG_STATE_AN_ENABLE;
2264                         break;
2265                 }
2266                 delta = ap->cur_time - ap->link_time;
2267                 if (delta > ANEG_STATE_SETTLE_TIME) {
2268                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2269                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2270                         } else {
2271                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2272                                     !(ap->flags & MR_NP_RX)) {
2273                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2274                                 } else {
2275                                         ret = ANEG_FAILED;
2276                                 }
2277                         }
2278                 }
2279                 break;
2280
2281         case ANEG_STATE_IDLE_DETECT_INIT:
2282                 ap->link_time = ap->cur_time;
2283                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2284                 tw32_f(MAC_MODE, tp->mac_mode);
2285                 udelay(40);
2286
2287                 ap->state = ANEG_STATE_IDLE_DETECT;
2288                 ret = ANEG_TIMER_ENAB;
2289                 break;
2290
2291         case ANEG_STATE_IDLE_DETECT:
2292                 if (ap->ability_match != 0 &&
2293                     ap->rxconfig == 0) {
2294                         ap->state = ANEG_STATE_AN_ENABLE;
2295                         break;
2296                 }
2297                 delta = ap->cur_time - ap->link_time;
2298                 if (delta > ANEG_STATE_SETTLE_TIME) {
2299                         /* XXX another gem from the Broadcom driver :( */
2300                         ap->state = ANEG_STATE_LINK_OK;
2301                 }
2302                 break;
2303
2304         case ANEG_STATE_LINK_OK:
2305                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2306                 ret = ANEG_DONE;
2307                 break;
2308
2309         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2310                 /* ??? unimplemented */
2311                 break;
2312
2313         case ANEG_STATE_NEXT_PAGE_WAIT:
2314                 /* ??? unimplemented */
2315                 break;
2316
2317         default:
2318                 ret = ANEG_FAILED;
2319                 break;
2320         };
2321
2322         return ret;
2323 }
2324
2325 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2326 {
2327         int res = 0;
2328         struct tg3_fiber_aneginfo aninfo;
2329         int status = ANEG_FAILED;
2330         unsigned int tick;
2331         u32 tmp;
2332
2333         tw32_f(MAC_TX_AUTO_NEG, 0);
2334
2335         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2336         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2337         udelay(40);
2338
2339         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2340         udelay(40);
2341
2342         memset(&aninfo, 0, sizeof(aninfo));
2343         aninfo.flags |= MR_AN_ENABLE;
2344         aninfo.state = ANEG_STATE_UNKNOWN;
2345         aninfo.cur_time = 0;
2346         tick = 0;
2347         while (++tick < 195000) {
2348                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2349                 if (status == ANEG_DONE || status == ANEG_FAILED)
2350                         break;
2351
2352                 udelay(1);
2353         }
2354
2355         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2356         tw32_f(MAC_MODE, tp->mac_mode);
2357         udelay(40);
2358
2359         *flags = aninfo.flags;
2360
2361         if (status == ANEG_DONE &&
2362             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2363                              MR_LP_ADV_FULL_DUPLEX)))
2364                 res = 1;
2365
2366         return res;
2367 }
2368
2369 static void tg3_init_bcm8002(struct tg3 *tp)
2370 {
2371         u32 mac_status = tr32(MAC_STATUS);
2372         int i;
2373
2374         /* Reset when initting first time or we have a link. */
2375         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2376             !(mac_status & MAC_STATUS_PCS_SYNCED))
2377                 return;
2378
2379         /* Set PLL lock range. */
2380         tg3_writephy(tp, 0x16, 0x8007);
2381
2382         /* SW reset */
2383         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2384
2385         /* Wait for reset to complete. */
2386         /* XXX schedule_timeout() ... */
2387         for (i = 0; i < 500; i++)
2388                 udelay(10);
2389
2390         /* Config mode; select PMA/Ch 1 regs. */
2391         tg3_writephy(tp, 0x10, 0x8411);
2392
2393         /* Enable auto-lock and comdet, select txclk for tx. */
2394         tg3_writephy(tp, 0x11, 0x0a10);
2395
2396         tg3_writephy(tp, 0x18, 0x00a0);
2397         tg3_writephy(tp, 0x16, 0x41ff);
2398
2399         /* Assert and deassert POR. */
2400         tg3_writephy(tp, 0x13, 0x0400);
2401         udelay(40);
2402         tg3_writephy(tp, 0x13, 0x0000);
2403
2404         tg3_writephy(tp, 0x11, 0x0a50);
2405         udelay(40);
2406         tg3_writephy(tp, 0x11, 0x0a10);
2407
2408         /* Wait for signal to stabilize */
2409         /* XXX schedule_timeout() ... */
2410         for (i = 0; i < 15000; i++)
2411                 udelay(10);
2412
2413         /* Deselect the channel register so we can read the PHYID
2414          * later.
2415          */
2416         tg3_writephy(tp, 0x10, 0x8011);
2417 }
2418
2419 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2420 {
2421         u32 sg_dig_ctrl, sg_dig_status;
2422         u32 serdes_cfg, expected_sg_dig_ctrl;
2423         int workaround, port_a;
2424         int current_link_up;
2425
2426         serdes_cfg = 0;
2427         expected_sg_dig_ctrl = 0;
2428         workaround = 0;
2429         port_a = 1;
2430         current_link_up = 0;
2431
2432         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2433             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2434                 workaround = 1;
2435                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2436                         port_a = 0;
2437
2438                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2439                 /* preserve bits 20-23 for voltage regulator */
2440                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2441         }
2442
2443         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2444
2445         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2446                 if (sg_dig_ctrl & (1 << 31)) {
2447                         if (workaround) {
2448                                 u32 val = serdes_cfg;
2449
2450                                 if (port_a)
2451                                         val |= 0xc010000;
2452                                 else
2453                                         val |= 0x4010000;
2454                                 tw32_f(MAC_SERDES_CFG, val);
2455                         }
2456                         tw32_f(SG_DIG_CTRL, 0x01388400);
2457                 }
2458                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2459                         tg3_setup_flow_control(tp, 0, 0);
2460                         current_link_up = 1;
2461                 }
2462                 goto out;
2463         }
2464
2465         /* Want auto-negotiation.  */
2466         expected_sg_dig_ctrl = 0x81388400;
2467
2468         /* Pause capability */
2469         expected_sg_dig_ctrl |= (1 << 11);
2470
2471         /* Asymettric pause */
2472         expected_sg_dig_ctrl |= (1 << 12);
2473
2474         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2475                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2476                     tp->serdes_counter &&
2477                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2478                                     MAC_STATUS_RCVD_CFG)) ==
2479                      MAC_STATUS_PCS_SYNCED)) {
2480                         tp->serdes_counter--;
2481                         current_link_up = 1;
2482                         goto out;
2483                 }
2484 restart_autoneg:
2485                 if (workaround)
2486                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2487                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2488                 udelay(5);
2489                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2490
2491                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2492                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2493         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2494                                  MAC_STATUS_SIGNAL_DET)) {
2495                 sg_dig_status = tr32(SG_DIG_STATUS);
2496                 mac_status = tr32(MAC_STATUS);
2497
2498                 if ((sg_dig_status & (1 << 1)) &&
2499                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2500                         u32 local_adv, remote_adv;
2501
2502                         local_adv = ADVERTISE_PAUSE_CAP;
2503                         remote_adv = 0;
2504                         if (sg_dig_status & (1 << 19))
2505                                 remote_adv |= LPA_PAUSE_CAP;
2506                         if (sg_dig_status & (1 << 20))
2507                                 remote_adv |= LPA_PAUSE_ASYM;
2508
2509                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2510                         current_link_up = 1;
2511                         tp->serdes_counter = 0;
2512                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2513                 } else if (!(sg_dig_status & (1 << 1))) {
2514                         if (tp->serdes_counter)
2515                                 tp->serdes_counter--;
2516                         else {
2517                                 if (workaround) {
2518                                         u32 val = serdes_cfg;
2519
2520                                         if (port_a)
2521                                                 val |= 0xc010000;
2522                                         else
2523                                                 val |= 0x4010000;
2524
2525                                         tw32_f(MAC_SERDES_CFG, val);
2526                                 }
2527
2528                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2529                                 udelay(40);
2530
2531                                 /* Link parallel detection - link is up */
2532                                 /* only if we have PCS_SYNC and not */
2533                                 /* receiving config code words */
2534                                 mac_status = tr32(MAC_STATUS);
2535                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2536                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2537                                         tg3_setup_flow_control(tp, 0, 0);
2538                                         current_link_up = 1;
2539                                         tp->tg3_flags2 |=
2540                                                 TG3_FLG2_PARALLEL_DETECT;
2541                                         tp->serdes_counter =
2542                                                 SERDES_PARALLEL_DET_TIMEOUT;
2543                                 } else
2544                                         goto restart_autoneg;
2545                         }
2546                 }
2547         } else {
2548                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2549                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2550         }
2551
2552 out:
2553         return current_link_up;
2554 }
2555
2556 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2557 {
2558         int current_link_up = 0;
2559
2560         if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2561                 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2562                 goto out;
2563         }
2564
2565         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2566                 u32 flags;
2567                 int i;
2568
2569                 if (fiber_autoneg(tp, &flags)) {
2570                         u32 local_adv, remote_adv;
2571
2572                         local_adv = ADVERTISE_PAUSE_CAP;
2573                         remote_adv = 0;
2574                         if (flags & MR_LP_ADV_SYM_PAUSE)
2575                                 remote_adv |= LPA_PAUSE_CAP;
2576                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2577                                 remote_adv |= LPA_PAUSE_ASYM;
2578
2579                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2580
2581                         tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2582                         current_link_up = 1;
2583                 }
2584                 for (i = 0; i < 30; i++) {
2585                         udelay(20);
2586                         tw32_f(MAC_STATUS,
2587                                (MAC_STATUS_SYNC_CHANGED |
2588                                 MAC_STATUS_CFG_CHANGED));
2589                         udelay(40);
2590                         if ((tr32(MAC_STATUS) &
2591                              (MAC_STATUS_SYNC_CHANGED |
2592                               MAC_STATUS_CFG_CHANGED)) == 0)
2593                                 break;
2594                 }
2595
2596                 mac_status = tr32(MAC_STATUS);
2597                 if (current_link_up == 0 &&
2598                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2599                     !(mac_status & MAC_STATUS_RCVD_CFG))
2600                         current_link_up = 1;
2601         } else {
2602                 /* Forcing 1000FD link up. */
2603                 current_link_up = 1;
2604                 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2605
2606                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2607                 udelay(40);
2608         }
2609
2610 out:
2611         return current_link_up;
2612 }
2613
2614 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2615 {
2616         u32 orig_pause_cfg;
2617         u16 orig_active_speed;
2618         u8 orig_active_duplex;
2619         u32 mac_status;
2620         int current_link_up;
2621         int i;
2622
2623         orig_pause_cfg =
2624                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2625                                   TG3_FLAG_TX_PAUSE));
2626         orig_active_speed = tp->link_config.active_speed;
2627         orig_active_duplex = tp->link_config.active_duplex;
2628
2629         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2630             netif_carrier_ok(tp->dev) &&
2631             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2632                 mac_status = tr32(MAC_STATUS);
2633                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2634                                MAC_STATUS_SIGNAL_DET |
2635                                MAC_STATUS_CFG_CHANGED |
2636                                MAC_STATUS_RCVD_CFG);
2637                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2638                                    MAC_STATUS_SIGNAL_DET)) {
2639                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2640                                             MAC_STATUS_CFG_CHANGED));
2641                         return 0;
2642                 }
2643         }
2644
2645         tw32_f(MAC_TX_AUTO_NEG, 0);
2646
2647         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2648         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2649         tw32_f(MAC_MODE, tp->mac_mode);
2650         udelay(40);
2651
2652         if (tp->phy_id == PHY_ID_BCM8002)
2653                 tg3_init_bcm8002(tp);
2654
2655         /* Enable link change event even when serdes polling.  */
2656         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2657         udelay(40);
2658
2659         current_link_up = 0;
2660         mac_status = tr32(MAC_STATUS);
2661
2662         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2663                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2664         else
2665                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2666
2667         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2668         tw32_f(MAC_MODE, tp->mac_mode);
2669         udelay(40);
2670
2671         tp->hw_status->status =
2672                 (SD_STATUS_UPDATED |
2673                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2674
2675         for (i = 0; i < 100; i++) {
2676                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2677                                     MAC_STATUS_CFG_CHANGED));
2678                 udelay(5);
2679                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2680                                          MAC_STATUS_CFG_CHANGED |
2681                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2682                         break;
2683         }
2684
2685         mac_status = tr32(MAC_STATUS);
2686         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2687                 current_link_up = 0;
2688                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2689                     tp->serdes_counter == 0) {
2690                         tw32_f(MAC_MODE, (tp->mac_mode |
2691                                           MAC_MODE_SEND_CONFIGS));
2692                         udelay(1);
2693                         tw32_f(MAC_MODE, tp->mac_mode);
2694                 }
2695         }
2696
2697         if (current_link_up == 1) {
2698                 tp->link_config.active_speed = SPEED_1000;
2699                 tp->link_config.active_duplex = DUPLEX_FULL;
2700                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2701                                     LED_CTRL_LNKLED_OVERRIDE |
2702                                     LED_CTRL_1000MBPS_ON));
2703         } else {
2704                 tp->link_config.active_speed = SPEED_INVALID;
2705                 tp->link_config.active_duplex = DUPLEX_INVALID;
2706                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2707                                     LED_CTRL_LNKLED_OVERRIDE |
2708                                     LED_CTRL_TRAFFIC_OVERRIDE));
2709         }
2710
2711         if (current_link_up != netif_carrier_ok(tp->dev)) {
2712                 if (current_link_up)
2713                         netif_carrier_on(tp->dev);
2714                 else
2715                         netif_carrier_off(tp->dev);
2716                 tg3_link_report(tp);
2717         } else {
2718                 u32 now_pause_cfg =
2719                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2720                                          TG3_FLAG_TX_PAUSE);
2721                 if (orig_pause_cfg != now_pause_cfg ||
2722                     orig_active_speed != tp->link_config.active_speed ||
2723                     orig_active_duplex != tp->link_config.active_duplex)
2724                         tg3_link_report(tp);
2725         }
2726
2727         return 0;
2728 }
2729
2730 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2731 {
2732         int current_link_up, err = 0;
2733         u32 bmsr, bmcr;
2734         u16 current_speed;
2735         u8 current_duplex;
2736
2737         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2738         tw32_f(MAC_MODE, tp->mac_mode);
2739         udelay(40);
2740
2741         tw32(MAC_EVENT, 0);
2742
2743         tw32_f(MAC_STATUS,
2744              (MAC_STATUS_SYNC_CHANGED |
2745               MAC_STATUS_CFG_CHANGED |
2746               MAC_STATUS_MI_COMPLETION |
2747               MAC_STATUS_LNKSTATE_CHANGED));
2748         udelay(40);
2749
2750         if (force_reset)
2751                 tg3_phy_reset(tp);
2752
2753         current_link_up = 0;
2754         current_speed = SPEED_INVALID;
2755         current_duplex = DUPLEX_INVALID;
2756
2757         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2758         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2759         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2760                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2761                         bmsr |= BMSR_LSTATUS;
2762                 else
2763                         bmsr &= ~BMSR_LSTATUS;
2764         }
2765
2766         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2767
2768         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2769             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2770                 /* do nothing, just check for link up at the end */
2771         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2772                 u32 adv, new_adv;
2773
2774                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2775                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2776                                   ADVERTISE_1000XPAUSE |
2777                                   ADVERTISE_1000XPSE_ASYM |
2778                                   ADVERTISE_SLCT);
2779
2780                 /* Always advertise symmetric PAUSE just like copper */
2781                 new_adv |= ADVERTISE_1000XPAUSE;
2782
2783                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2784                         new_adv |= ADVERTISE_1000XHALF;
2785                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2786                         new_adv |= ADVERTISE_1000XFULL;
2787
2788                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2789                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2790                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2791                         tg3_writephy(tp, MII_BMCR, bmcr);
2792
2793                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2794                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2795                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2796
2797                         return err;
2798                 }
2799         } else {
2800                 u32 new_bmcr;
2801
2802                 bmcr &= ~BMCR_SPEED1000;
2803                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2804
2805                 if (tp->link_config.duplex == DUPLEX_FULL)
2806                         new_bmcr |= BMCR_FULLDPLX;
2807
2808                 if (new_bmcr != bmcr) {
2809                         /* BMCR_SPEED1000 is a reserved bit that needs
2810                          * to be set on write.
2811                          */
2812                         new_bmcr |= BMCR_SPEED1000;
2813
2814                         /* Force a linkdown */
2815                         if (netif_carrier_ok(tp->dev)) {
2816                                 u32 adv;
2817
2818                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2819                                 adv &= ~(ADVERTISE_1000XFULL |
2820                                          ADVERTISE_1000XHALF |
2821                                          ADVERTISE_SLCT);
2822                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2823                                 tg3_writephy(tp, MII_BMCR, bmcr |
2824                                                            BMCR_ANRESTART |
2825                                                            BMCR_ANENABLE);
2826                                 udelay(10);
2827                                 netif_carrier_off(tp->dev);
2828                         }
2829                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2830                         bmcr = new_bmcr;
2831                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2832                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2833                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2834                             ASIC_REV_5714) {
2835                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2836                                         bmsr |= BMSR_LSTATUS;
2837                                 else
2838                                         bmsr &= ~BMSR_LSTATUS;
2839                         }
2840                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2841                 }
2842         }
2843
2844         if (bmsr & BMSR_LSTATUS) {
2845                 current_speed = SPEED_1000;
2846                 current_link_up = 1;
2847                 if (bmcr & BMCR_FULLDPLX)
2848                         current_duplex = DUPLEX_FULL;
2849                 else
2850                         current_duplex = DUPLEX_HALF;
2851
2852                 if (bmcr & BMCR_ANENABLE) {
2853                         u32 local_adv, remote_adv, common;
2854
2855                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2856                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2857                         common = local_adv & remote_adv;
2858                         if (common & (ADVERTISE_1000XHALF |
2859                                       ADVERTISE_1000XFULL)) {
2860                                 if (common & ADVERTISE_1000XFULL)
2861                                         current_duplex = DUPLEX_FULL;
2862                                 else
2863                                         current_duplex = DUPLEX_HALF;
2864
2865                                 tg3_setup_flow_control(tp, local_adv,
2866                                                        remote_adv);
2867                         }
2868                         else
2869                                 current_link_up = 0;
2870                 }
2871         }
2872
2873         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2874         if (tp->link_config.active_duplex == DUPLEX_HALF)
2875                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2876
2877         tw32_f(MAC_MODE, tp->mac_mode);
2878         udelay(40);
2879
2880         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2881
2882         tp->link_config.active_speed = current_speed;
2883         tp->link_config.active_duplex = current_duplex;
2884
2885         if (current_link_up != netif_carrier_ok(tp->dev)) {
2886                 if (current_link_up)
2887                         netif_carrier_on(tp->dev);
2888                 else {
2889                         netif_carrier_off(tp->dev);
2890                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2891                 }
2892                 tg3_link_report(tp);
2893         }
2894         return err;
2895 }
2896
2897 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2898 {
2899         if (tp->serdes_counter) {
2900                 /* Give autoneg time to complete. */
2901                 tp->serdes_counter--;
2902                 return;
2903         }
2904         if (!netif_carrier_ok(tp->dev) &&
2905             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2906                 u32 bmcr;
2907
2908                 tg3_readphy(tp, MII_BMCR, &bmcr);
2909                 if (bmcr & BMCR_ANENABLE) {
2910                         u32 phy1, phy2;
2911
2912                         /* Select shadow register 0x1f */
2913                         tg3_writephy(tp, 0x1c, 0x7c00);
2914                         tg3_readphy(tp, 0x1c, &phy1);
2915
2916                         /* Select expansion interrupt status register */
2917                         tg3_writephy(tp, 0x17, 0x0f01);
2918                         tg3_readphy(tp, 0x15, &phy2);
2919                         tg3_readphy(tp, 0x15, &phy2);
2920
2921                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2922                                 /* We have signal detect and not receiving
2923                                  * config code words, link is up by parallel
2924                                  * detection.
2925                                  */
2926
2927                                 bmcr &= ~BMCR_ANENABLE;
2928                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2929                                 tg3_writephy(tp, MII_BMCR, bmcr);
2930                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2931                         }
2932                 }
2933         }
2934         else if (netif_carrier_ok(tp->dev) &&
2935                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2936                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2937                 u32 phy2;
2938
2939                 /* Select expansion interrupt status register */
2940                 tg3_writephy(tp, 0x17, 0x0f01);
2941                 tg3_readphy(tp, 0x15, &phy2);
2942                 if (phy2 & 0x20) {
2943                         u32 bmcr;
2944
2945                         /* Config code words received, turn on autoneg. */
2946                         tg3_readphy(tp, MII_BMCR, &bmcr);
2947                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2948
2949                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2950
2951                 }
2952         }
2953 }
2954
2955 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2956 {
2957         int err;
2958
2959         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2960                 err = tg3_setup_fiber_phy(tp, force_reset);
2961         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2962                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
2963         } else {
2964                 err = tg3_setup_copper_phy(tp, force_reset);
2965         }
2966
2967         if (tp->link_config.active_speed == SPEED_1000 &&
2968             tp->link_config.active_duplex == DUPLEX_HALF)
2969                 tw32(MAC_TX_LENGTHS,
2970                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2971                       (6 << TX_LENGTHS_IPG_SHIFT) |
2972                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2973         else
2974                 tw32(MAC_TX_LENGTHS,
2975                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2976                       (6 << TX_LENGTHS_IPG_SHIFT) |
2977                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2978
2979         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2980                 if (netif_carrier_ok(tp->dev)) {
2981                         tw32(HOSTCC_STAT_COAL_TICKS,
2982                              tp->coal.stats_block_coalesce_usecs);
2983                 } else {
2984                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
2985                 }
2986         }
2987
2988         return err;
2989 }
2990
2991 /* This is called whenever we suspect that the system chipset is re-
2992  * ordering the sequence of MMIO to the tx send mailbox. The symptom
2993  * is bogus tx completions. We try to recover by setting the
2994  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
2995  * in the workqueue.
2996  */
2997 static void tg3_tx_recover(struct tg3 *tp)
2998 {
2999         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3000                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3001
3002         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3003                "mapped I/O cycles to the network device, attempting to "
3004                "recover. Please report the problem to the driver maintainer "
3005                "and include system chipset information.\n", tp->dev->name);
3006
3007         spin_lock(&tp->lock);
3008         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3009         spin_unlock(&tp->lock);
3010 }
3011
3012 static inline u32 tg3_tx_avail(struct tg3 *tp)
3013 {
3014         smp_mb();
3015         return (tp->tx_pending -
3016                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3017 }
3018
3019 /* Tigon3 never reports partial packet sends.  So we do not
3020  * need special logic to handle SKBs that have not had all
3021  * of their frags sent yet, like SunGEM does.
3022  */
3023 static void tg3_tx(struct tg3 *tp)
3024 {
3025         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3026         u32 sw_idx = tp->tx_cons;
3027
3028         while (sw_idx != hw_idx) {
3029                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3030                 struct sk_buff *skb = ri->skb;
3031                 int i, tx_bug = 0;
3032
3033                 if (unlikely(skb == NULL)) {
3034                         tg3_tx_recover(tp);
3035                         return;
3036                 }
3037
3038                 pci_unmap_single(tp->pdev,
3039                                  pci_unmap_addr(ri, mapping),
3040                                  skb_headlen(skb),
3041                                  PCI_DMA_TODEVICE);
3042
3043                 ri->skb = NULL;
3044
3045                 sw_idx = NEXT_TX(sw_idx);
3046
3047                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3048                         ri = &tp->tx_buffers[sw_idx];
3049                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3050                                 tx_bug = 1;
3051
3052                         pci_unmap_page(tp->pdev,
3053                                        pci_unmap_addr(ri, mapping),
3054                                        skb_shinfo(skb)->frags[i].size,
3055                                        PCI_DMA_TODEVICE);
3056
3057                         sw_idx = NEXT_TX(sw_idx);
3058                 }
3059
3060                 dev_kfree_skb(skb);
3061
3062                 if (unlikely(tx_bug)) {
3063                         tg3_tx_recover(tp);
3064                         return;
3065                 }
3066         }
3067
3068         tp->tx_cons = sw_idx;
3069
3070         /* Need to make the tx_cons update visible to tg3_start_xmit()
3071          * before checking for netif_queue_stopped().  Without the
3072          * memory barrier, there is a small possibility that tg3_start_xmit()
3073          * will miss it and cause the queue to be stopped forever.
3074          */
3075         smp_mb();
3076
3077         if (unlikely(netif_queue_stopped(tp->dev) &&
3078                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH))) {
3079                 netif_tx_lock(tp->dev);
3080                 if (netif_queue_stopped(tp->dev) &&
3081                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH))
3082                         netif_wake_queue(tp->dev);
3083                 netif_tx_unlock(tp->dev);
3084         }
3085 }
3086
3087 /* Returns size of skb allocated or < 0 on error.
3088  *
3089  * We only need to fill in the address because the other members
3090  * of the RX descriptor are invariant, see tg3_init_rings.
3091  *
3092  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3093  * posting buffers we only dirty the first cache line of the RX
3094  * descriptor (containing the address).  Whereas for the RX status
3095  * buffers the cpu only reads the last cacheline of the RX descriptor
3096  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3097  */
3098 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3099                             int src_idx, u32 dest_idx_unmasked)
3100 {
3101         struct tg3_rx_buffer_desc *desc;
3102         struct ring_info *map, *src_map;
3103         struct sk_buff *skb;
3104         dma_addr_t mapping;
3105         int skb_size, dest_idx;
3106
3107         src_map = NULL;
3108         switch (opaque_key) {
3109         case RXD_OPAQUE_RING_STD:
3110                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3111                 desc = &tp->rx_std[dest_idx];
3112                 map = &tp->rx_std_buffers[dest_idx];
3113                 if (src_idx >= 0)
3114                         src_map = &tp->rx_std_buffers[src_idx];
3115                 skb_size = tp->rx_pkt_buf_sz;
3116                 break;
3117
3118         case RXD_OPAQUE_RING_JUMBO:
3119                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3120                 desc = &tp->rx_jumbo[dest_idx];
3121                 map = &tp->rx_jumbo_buffers[dest_idx];
3122                 if (src_idx >= 0)
3123                         src_map = &tp->rx_jumbo_buffers[src_idx];
3124                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3125                 break;
3126
3127         default:
3128                 return -EINVAL;
3129         };
3130
3131         /* Do not overwrite any of the map or rp information
3132          * until we are sure we can commit to a new buffer.
3133          *
3134          * Callers depend upon this behavior and assume that
3135          * we leave everything unchanged if we fail.
3136          */
3137         skb = netdev_alloc_skb(tp->dev, skb_size);
3138         if (skb == NULL)
3139                 return -ENOMEM;
3140
3141         skb_reserve(skb, tp->rx_offset);
3142
3143         mapping = pci_map_single(tp->pdev, skb->data,
3144                                  skb_size - tp->rx_offset,
3145                                  PCI_DMA_FROMDEVICE);
3146
3147         map->skb = skb;
3148         pci_unmap_addr_set(map, mapping, mapping);
3149
3150         if (src_map != NULL)
3151                 src_map->skb = NULL;
3152
3153         desc->addr_hi = ((u64)mapping >> 32);
3154         desc->addr_lo = ((u64)mapping & 0xffffffff);
3155
3156         return skb_size;
3157 }
3158
3159 /* We only need to move over in the address because the other
3160  * members of the RX descriptor are invariant.  See notes above
3161  * tg3_alloc_rx_skb for full details.
3162  */
3163 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3164                            int src_idx, u32 dest_idx_unmasked)
3165 {
3166         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3167         struct ring_info *src_map, *dest_map;
3168         int dest_idx;
3169
3170         switch (opaque_key) {
3171         case RXD_OPAQUE_RING_STD:
3172                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3173                 dest_desc = &tp->rx_std[dest_idx];
3174                 dest_map = &tp->rx_std_buffers[dest_idx];
3175                 src_desc = &tp->rx_std[src_idx];
3176                 src_map = &tp->rx_std_buffers[src_idx];
3177                 break;
3178
3179         case RXD_OPAQUE_RING_JUMBO:
3180                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3181                 dest_desc = &tp->rx_jumbo[dest_idx];
3182                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3183                 src_desc = &tp->rx_jumbo[src_idx];
3184                 src_map = &tp->rx_jumbo_buffers[src_idx];
3185                 break;
3186
3187         default:
3188                 return;
3189         };
3190
3191         dest_map->skb = src_map->skb;
3192         pci_unmap_addr_set(dest_map, mapping,
3193                            pci_unmap_addr(src_map, mapping));
3194         dest_desc->addr_hi = src_desc->addr_hi;
3195         dest_desc->addr_lo = src_desc->addr_lo;
3196
3197         src_map->skb = NULL;
3198 }
3199
3200 #if TG3_VLAN_TAG_USED
3201 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3202 {
3203         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3204 }
3205 #endif
3206
3207 /* The RX ring scheme is composed of multiple rings which post fresh
3208  * buffers to the chip, and one special ring the chip uses to report
3209  * status back to the host.
3210  *
3211  * The special ring reports the status of received packets to the
3212  * host.  The chip does not write into the original descriptor the
3213  * RX buffer was obtained from.  The chip simply takes the original
3214  * descriptor as provided by the host, updates the status and length
3215  * field, then writes this into the next status ring entry.
3216  *
3217  * Each ring the host uses to post buffers to the chip is described
3218  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3219  * it is first placed into the on-chip ram.  When the packet's length
3220  * is known, it walks down the TG3_BDINFO entries to select the ring.
3221  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3222  * which is within the range of the new packet's length is chosen.
3223  *
3224  * The "separate ring for rx status" scheme may sound queer, but it makes
3225  * sense from a cache coherency perspective.  If only the host writes
3226  * to the buffer post rings, and only the chip writes to the rx status
3227  * rings, then cache lines never move beyond shared-modified state.
3228  * If both the host and chip were to write into the same ring, cache line
3229  * eviction could occur since both entities want it in an exclusive state.
3230  */
3231 static int tg3_rx(struct tg3 *tp, int budget)
3232 {
3233         u32 work_mask, rx_std_posted = 0;
3234         u32 sw_idx = tp->rx_rcb_ptr;
3235         u16 hw_idx;
3236         int received;
3237
3238         hw_idx = tp->hw_status->idx[0].rx_producer;
3239         /*
3240          * We need to order the read of hw_idx and the read of
3241          * the opaque cookie.
3242          */
3243         rmb();
3244         work_mask = 0;
3245         received = 0;
3246         while (sw_idx != hw_idx && budget > 0) {
3247                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3248                 unsigned int len;
3249                 struct sk_buff *skb;
3250                 dma_addr_t dma_addr;
3251                 u32 opaque_key, desc_idx, *post_ptr;
3252
3253                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3254                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3255                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3256                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3257                                                   mapping);
3258                         skb = tp->rx_std_buffers[desc_idx].skb;
3259                         post_ptr = &tp->rx_std_ptr;
3260                         rx_std_posted++;
3261                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3262                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3263                                                   mapping);
3264                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3265                         post_ptr = &tp->rx_jumbo_ptr;
3266                 }
3267                 else {
3268                         goto next_pkt_nopost;
3269                 }
3270
3271                 work_mask |= opaque_key;
3272
3273                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3274                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3275                 drop_it:
3276                         tg3_recycle_rx(tp, opaque_key,
3277                                        desc_idx, *post_ptr);
3278                 drop_it_no_recycle:
3279                         /* Other statistics kept track of by card. */
3280                         tp->net_stats.rx_dropped++;
3281                         goto next_pkt;
3282                 }
3283
3284                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3285
3286                 if (len > RX_COPY_THRESHOLD
3287                         && tp->rx_offset == 2
3288                         /* rx_offset != 2 iff this is a 5701 card running
3289                          * in PCI-X mode [see tg3_get_invariants()] */
3290                 ) {
3291                         int skb_size;
3292
3293                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3294                                                     desc_idx, *post_ptr);
3295                         if (skb_size < 0)
3296                                 goto drop_it;
3297
3298                         pci_unmap_single(tp->pdev, dma_addr,
3299                                          skb_size - tp->rx_offset,
3300                                          PCI_DMA_FROMDEVICE);
3301
3302                         skb_put(skb, len);
3303                 } else {
3304                         struct sk_buff *copy_skb;
3305
3306                         tg3_recycle_rx(tp, opaque_key,
3307                                        desc_idx, *post_ptr);
3308
3309                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3310                         if (copy_skb == NULL)
3311                                 goto drop_it_no_recycle;
3312
3313                         skb_reserve(copy_skb, 2);
3314                         skb_put(copy_skb, len);
3315                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3316                         memcpy(copy_skb->data, skb->data, len);
3317                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3318
3319                         /* We'll reuse the original ring buffer. */
3320                         skb = copy_skb;
3321                 }
3322
3323                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3324                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3325                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3326                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3327                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3328                 else
3329                         skb->ip_summed = CHECKSUM_NONE;
3330
3331                 skb->protocol = eth_type_trans(skb, tp->dev);
3332 #if TG3_VLAN_TAG_USED
3333                 if (tp->vlgrp != NULL &&
3334                     desc->type_flags & RXD_FLAG_VLAN) {
3335                         tg3_vlan_rx(tp, skb,
3336                                     desc->err_vlan & RXD_VLAN_MASK);
3337                 } else
3338 #endif
3339                         netif_receive_skb(skb);
3340
3341                 tp->dev->last_rx = jiffies;
3342                 received++;
3343                 budget--;
3344
3345 next_pkt:
3346                 (*post_ptr)++;
3347
3348                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3349                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3350
3351                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3352                                      TG3_64BIT_REG_LOW, idx);
3353                         work_mask &= ~RXD_OPAQUE_RING_STD;
3354                         rx_std_posted = 0;
3355                 }
3356 next_pkt_nopost:
3357                 sw_idx++;
3358                 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
3359
3360                 /* Refresh hw_idx to see if there is new work */
3361                 if (sw_idx == hw_idx) {
3362                         hw_idx = tp->hw_status->idx[0].rx_producer;
3363                         rmb();
3364                 }
3365         }
3366
3367         /* ACK the status ring. */
3368         tp->rx_rcb_ptr = sw_idx;
3369         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3370
3371         /* Refill RX ring(s). */
3372         if (work_mask & RXD_OPAQUE_RING_STD) {
3373                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3374                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3375                              sw_idx);
3376         }
3377         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3378                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3379                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3380                              sw_idx);
3381         }
3382         mmiowb();
3383
3384         return received;
3385 }
3386
3387 static int tg3_poll(struct net_device *netdev, int *budget)
3388 {
3389         struct tg3 *tp = netdev_priv(netdev);
3390         struct tg3_hw_status *sblk = tp->hw_status;
3391         int done;
3392
3393         /* handle link change and other phy events */
3394         if (!(tp->tg3_flags &
3395               (TG3_FLAG_USE_LINKCHG_REG |
3396                TG3_FLAG_POLL_SERDES))) {
3397                 if (sblk->status & SD_STATUS_LINK_CHG) {
3398                         sblk->status = SD_STATUS_UPDATED |
3399                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3400                         spin_lock(&tp->lock);
3401                         tg3_setup_phy(tp, 0);
3402                         spin_unlock(&tp->lock);
3403                 }
3404         }
3405
3406         /* run TX completion thread */
3407         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3408                 tg3_tx(tp);
3409                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3410                         netif_rx_complete(netdev);
3411                         schedule_work(&tp->reset_task);
3412                         return 0;
3413                 }
3414         }
3415
3416         /* run RX thread, within the bounds set by NAPI.
3417          * All RX "locking" is done by ensuring outside
3418          * code synchronizes with dev->poll()
3419          */
3420         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3421                 int orig_budget = *budget;
3422                 int work_done;
3423
3424                 if (orig_budget > netdev->quota)
3425                         orig_budget = netdev->quota;
3426
3427                 work_done = tg3_rx(tp, orig_budget);
3428
3429                 *budget -= work_done;
3430                 netdev->quota -= work_done;
3431         }
3432
3433         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3434                 tp->last_tag = sblk->status_tag;
3435                 rmb();
3436         } else
3437                 sblk->status &= ~SD_STATUS_UPDATED;
3438
3439         /* if no more work, tell net stack and NIC we're done */
3440         done = !tg3_has_work(tp);
3441         if (done) {
3442                 netif_rx_complete(netdev);
3443                 tg3_restart_ints(tp);
3444         }
3445
3446         return (done ? 0 : 1);
3447 }
3448
3449 static void tg3_irq_quiesce(struct tg3 *tp)
3450 {
3451         BUG_ON(tp->irq_sync);
3452
3453         tp->irq_sync = 1;
3454         smp_mb();
3455
3456         synchronize_irq(tp->pdev->irq);
3457 }
3458
3459 static inline int tg3_irq_sync(struct tg3 *tp)
3460 {
3461         return tp->irq_sync;
3462 }
3463
3464 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3465  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3466  * with as well.  Most of the time, this is not necessary except when
3467  * shutting down the device.
3468  */
3469 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3470 {
3471         if (irq_sync)
3472                 tg3_irq_quiesce(tp);
3473         spin_lock_bh(&tp->lock);
3474 }
3475
3476 static inline void tg3_full_unlock(struct tg3 *tp)
3477 {
3478         spin_unlock_bh(&tp->lock);
3479 }
3480
3481 /* One-shot MSI handler - Chip automatically disables interrupt
3482  * after sending MSI so driver doesn't have to do it.
3483  */
3484 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3485 {
3486         struct net_device *dev = dev_id;
3487         struct tg3 *tp = netdev_priv(dev);
3488
3489         prefetch(tp->hw_status);
3490         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3491
3492         if (likely(!tg3_irq_sync(tp)))
3493                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3494
3495         return IRQ_HANDLED;
3496 }
3497
3498 /* MSI ISR - No need to check for interrupt sharing and no need to
3499  * flush status block and interrupt mailbox. PCI ordering rules
3500  * guarantee that MSI will arrive after the status block.
3501  */
3502 static irqreturn_t tg3_msi(int irq, void *dev_id)
3503 {
3504         struct net_device *dev = dev_id;
3505         struct tg3 *tp = netdev_priv(dev);
3506
3507         prefetch(tp->hw_status);
3508         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3509         /*
3510          * Writing any value to intr-mbox-0 clears PCI INTA# and
3511          * chip-internal interrupt pending events.
3512          * Writing non-zero to intr-mbox-0 additional tells the
3513          * NIC to stop sending us irqs, engaging "in-intr-handler"
3514          * event coalescing.
3515          */
3516         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3517         if (likely(!tg3_irq_sync(tp)))
3518                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3519
3520         return IRQ_RETVAL(1);
3521 }
3522
3523 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3524 {
3525         struct net_device *dev = dev_id;
3526         struct tg3 *tp = netdev_priv(dev);
3527         struct tg3_hw_status *sblk = tp->hw_status;
3528         unsigned int handled = 1;
3529
3530         /* In INTx mode, it is possible for the interrupt to arrive at
3531          * the CPU before the status block posted prior to the interrupt.
3532          * Reading the PCI State register will confirm whether the
3533          * interrupt is ours and will flush the status block.
3534          */
3535         if ((sblk->status & SD_STATUS_UPDATED) ||
3536             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3537                 /*
3538                  * Writing any value to intr-mbox-0 clears PCI INTA# and
3539                  * chip-internal interrupt pending events.
3540                  * Writing non-zero to intr-mbox-0 additional tells the
3541                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3542                  * event coalescing.
3543                  */
3544                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3545                              0x00000001);
3546                 if (tg3_irq_sync(tp))
3547                         goto out;
3548                 sblk->status &= ~SD_STATUS_UPDATED;
3549                 if (likely(tg3_has_work(tp))) {
3550                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3551                         netif_rx_schedule(dev);         /* schedule NAPI poll */
3552                 } else {
3553                         /* No work, shared interrupt perhaps?  re-enable
3554                          * interrupts, and flush that PCI write
3555                          */
3556                         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3557                                 0x00000000);
3558                 }
3559         } else {        /* shared interrupt */
3560                 handled = 0;
3561         }
3562 out:
3563         return IRQ_RETVAL(handled);
3564 }
3565
3566 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3567 {
3568         struct net_device *dev = dev_id;
3569         struct tg3 *tp = netdev_priv(dev);
3570         struct tg3_hw_status *sblk = tp->hw_status;
3571         unsigned int handled = 1;
3572
3573         /* In INTx mode, it is possible for the interrupt to arrive at
3574          * the CPU before the status block posted prior to the interrupt.
3575          * Reading the PCI State register will confirm whether the
3576          * interrupt is ours and will flush the status block.
3577          */
3578         if ((sblk->status_tag != tp->last_tag) ||
3579             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3580                 /*
3581                  * writing any value to intr-mbox-0 clears PCI INTA# and
3582                  * chip-internal interrupt pending events.
3583                  * writing non-zero to intr-mbox-0 additional tells the
3584                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3585                  * event coalescing.
3586                  */
3587                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3588                              0x00000001);
3589                 if (tg3_irq_sync(tp))
3590                         goto out;
3591                 if (netif_rx_schedule_prep(dev)) {
3592                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3593                         /* Update last_tag to mark that this status has been
3594                          * seen. Because interrupt may be shared, we may be
3595                          * racing with tg3_poll(), so only update last_tag
3596                          * if tg3_poll() is not scheduled.
3597                          */
3598                         tp->last_tag = sblk->status_tag;
3599                         __netif_rx_schedule(dev);
3600                 }
3601         } else {        /* shared interrupt */
3602                 handled = 0;
3603         }
3604 out:
3605         return IRQ_RETVAL(handled);
3606 }
3607
3608 /* ISR for interrupt test */
3609 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3610 {
3611         struct net_device *dev = dev_id;
3612         struct tg3 *tp = netdev_priv(dev);
3613         struct tg3_hw_status *sblk = tp->hw_status;
3614
3615         if ((sblk->status & SD_STATUS_UPDATED) ||
3616             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3617                 tg3_disable_ints(tp);
3618                 return IRQ_RETVAL(1);
3619         }
3620         return IRQ_RETVAL(0);
3621 }
3622
3623 static int tg3_init_hw(struct tg3 *, int);
3624 static int tg3_halt(struct tg3 *, int, int);
3625
3626 /* Restart hardware after configuration changes, self-test, etc.
3627  * Invoked with tp->lock held.
3628  */
3629 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3630 {
3631         int err;
3632
3633         err = tg3_init_hw(tp, reset_phy);
3634         if (err) {
3635                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3636                        "aborting.\n", tp->dev->name);
3637                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3638                 tg3_full_unlock(tp);
3639                 del_timer_sync(&tp->timer);
3640                 tp->irq_sync = 0;
3641                 netif_poll_enable(tp->dev);
3642                 dev_close(tp->dev);
3643                 tg3_full_lock(tp, 0);
3644         }
3645         return err;
3646 }
3647
3648 #ifdef CONFIG_NET_POLL_CONTROLLER
3649 static void tg3_poll_controller(struct net_device *dev)
3650 {
3651         struct tg3 *tp = netdev_priv(dev);
3652
3653         tg3_interrupt(tp->pdev->irq, dev);
3654 }
3655 #endif
3656
3657 static void tg3_reset_task(void *_data)
3658 {
3659         struct tg3 *tp = _data;
3660         unsigned int restart_timer;
3661
3662         tg3_full_lock(tp, 0);
3663         tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3664
3665         if (!netif_running(tp->dev)) {
3666                 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3667                 tg3_full_unlock(tp);
3668                 return;
3669         }
3670
3671         tg3_full_unlock(tp);
3672
3673         tg3_netif_stop(tp);
3674
3675         tg3_full_lock(tp, 1);
3676
3677         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3678         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3679
3680         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3681                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3682                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3683                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3684                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3685         }
3686
3687         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3688         if (tg3_init_hw(tp, 1))
3689                 goto out;
3690
3691         tg3_netif_start(tp);
3692
3693         if (restart_timer)
3694                 mod_timer(&tp->timer, jiffies + 1);
3695
3696 out:
3697         tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3698
3699         tg3_full_unlock(tp);
3700 }
3701
3702 static void tg3_tx_timeout(struct net_device *dev)
3703 {
3704         struct tg3 *tp = netdev_priv(dev);
3705
3706         printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3707                dev->name);
3708
3709         schedule_work(&tp->reset_task);
3710 }
3711
3712 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3713 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3714 {
3715         u32 base = (u32) mapping & 0xffffffff;
3716
3717         return ((base > 0xffffdcc0) &&
3718                 (base + len + 8 < base));
3719 }
3720
3721 /* Test for DMA addresses > 40-bit */
3722 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3723                                           int len)
3724 {
3725 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3726         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3727                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3728         return 0;
3729 #else
3730         return 0;
3731 #endif
3732 }
3733
3734 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3735
3736 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3737 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3738                                        u32 last_plus_one, u32 *start,
3739                                        u32 base_flags, u32 mss)
3740 {
3741         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3742         dma_addr_t new_addr = 0;
3743         u32 entry = *start;
3744         int i, ret = 0;
3745
3746         if (!new_skb) {
3747                 ret = -1;
3748         } else {
3749                 /* New SKB is guaranteed to be linear. */
3750                 entry = *start;
3751                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3752                                           PCI_DMA_TODEVICE);
3753                 /* Make sure new skb does not cross any 4G boundaries.
3754                  * Drop the packet if it does.
3755                  */
3756                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3757                         ret = -1;
3758                         dev_kfree_skb(new_skb);
3759                         new_skb = NULL;
3760                 } else {
3761                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3762                                     base_flags, 1 | (mss << 1));
3763                         *start = NEXT_TX(entry);
3764                 }
3765         }
3766
3767         /* Now clean up the sw ring entries. */
3768         i = 0;
3769         while (entry != last_plus_one) {
3770                 int len;
3771
3772                 if (i == 0)
3773                         len = skb_headlen(skb);
3774                 else
3775                         len = skb_shinfo(skb)->frags[i-1].size;
3776                 pci_unmap_single(tp->pdev,
3777                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3778                                  len, PCI_DMA_TODEVICE);
3779                 if (i == 0) {
3780                         tp->tx_buffers[entry].skb = new_skb;
3781                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3782                 } else {
3783                         tp->tx_buffers[entry].skb = NULL;
3784                 }
3785                 entry = NEXT_TX(entry);
3786                 i++;
3787         }
3788
3789         dev_kfree_skb(skb);
3790
3791         return ret;
3792 }
3793
3794 static void tg3_set_txd(struct tg3 *tp, int entry,
3795                         dma_addr_t mapping, int len, u32 flags,
3796                         u32 mss_and_is_end)
3797 {
3798         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3799         int is_end = (mss_and_is_end & 0x1);
3800         u32 mss = (mss_and_is_end >> 1);
3801         u32 vlan_tag = 0;
3802
3803         if (is_end)
3804                 flags |= TXD_FLAG_END;
3805         if (flags & TXD_FLAG_VLAN) {
3806                 vlan_tag = flags >> 16;
3807                 flags &= 0xffff;
3808         }
3809         vlan_tag |= (mss << TXD_MSS_SHIFT);
3810
3811         txd->addr_hi = ((u64) mapping >> 32);
3812         txd->addr_lo = ((u64) mapping & 0xffffffff);
3813         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3814         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3815 }
3816
3817 /* hard_start_xmit for devices that don't have any bugs and
3818  * support TG3_FLG2_HW_TSO_2 only.
3819  */
3820 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3821 {
3822         struct tg3 *tp = netdev_priv(dev);
3823         dma_addr_t mapping;
3824         u32 len, entry, base_flags, mss;
3825
3826         len = skb_headlen(skb);
3827
3828         /* We are running in BH disabled context with netif_tx_lock
3829          * and TX reclaim runs via tp->poll inside of a software
3830          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3831          * no IRQ context deadlocks to worry about either.  Rejoice!
3832          */
3833         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3834                 if (!netif_queue_stopped(dev)) {
3835                         netif_stop_queue(dev);
3836
3837                         /* This is a hard error, log it. */
3838                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3839                                "queue awake!\n", dev->name);
3840                 }
3841                 return NETDEV_TX_BUSY;
3842         }
3843
3844         entry = tp->tx_prod;
3845         base_flags = 0;
3846 #if TG3_TSO_SUPPORT != 0
3847         mss = 0;
3848         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3849             (mss = skb_shinfo(skb)->gso_size) != 0) {
3850                 int tcp_opt_len, ip_tcp_len;
3851
3852                 if (skb_header_cloned(skb) &&
3853                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3854                         dev_kfree_skb(skb);
3855                         goto out_unlock;
3856                 }
3857
3858                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3859                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3860                 else {
3861                         tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3862                         ip_tcp_len = (skb->nh.iph->ihl * 4) +
3863                                      sizeof(struct tcphdr);
3864
3865                         skb->nh.iph->check = 0;
3866                         skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3867                                                      tcp_opt_len);
3868                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3869                 }
3870
3871                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3872                                TXD_FLAG_CPU_POST_DMA);
3873
3874                 skb->h.th->check = 0;
3875
3876         }
3877         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3878                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3879 #else
3880         mss = 0;
3881         if (skb->ip_summed == CHECKSUM_PARTIAL)
3882                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3883 #endif
3884 #if TG3_VLAN_TAG_USED
3885         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3886                 base_flags |= (TXD_FLAG_VLAN |
3887                                (vlan_tx_tag_get(skb) << 16));
3888 #endif
3889
3890         /* Queue skb data, a.k.a. the main skb fragment. */
3891         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3892
3893         tp->tx_buffers[entry].skb = skb;
3894         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3895
3896         tg3_set_txd(tp, entry, mapping, len, base_flags,
3897                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3898
3899         entry = NEXT_TX(entry);
3900
3901         /* Now loop through additional data fragments, and queue them. */
3902         if (skb_shinfo(skb)->nr_frags > 0) {
3903                 unsigned int i, last;
3904
3905                 last = skb_shinfo(skb)->nr_frags - 1;
3906                 for (i = 0; i <= last; i++) {
3907                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3908
3909                         len = frag->size;
3910                         mapping = pci_map_page(tp->pdev,
3911                                                frag->page,
3912                                                frag->page_offset,
3913                                                len, PCI_DMA_TODEVICE);
3914
3915                         tp->tx_buffers[entry].skb = NULL;
3916                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3917
3918                         tg3_set_txd(tp, entry, mapping, len,
3919                                     base_flags, (i == last) | (mss << 1));
3920
3921                         entry = NEXT_TX(entry);
3922                 }
3923         }
3924
3925         /* Packets are ready, update Tx producer idx local and on card. */
3926         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3927
3928         tp->tx_prod = entry;
3929         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
3930                 netif_stop_queue(dev);
3931                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH)
3932                         netif_wake_queue(tp->dev);
3933         }
3934
3935 out_unlock:
3936         mmiowb();
3937
3938         dev->trans_start = jiffies;
3939
3940         return NETDEV_TX_OK;
3941 }
3942
3943 #if TG3_TSO_SUPPORT != 0
3944 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3945
3946 /* Use GSO to workaround a rare TSO bug that may be triggered when the
3947  * TSO header is greater than 80 bytes.
3948  */
3949 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3950 {
3951         struct sk_buff *segs, *nskb;
3952
3953         /* Estimate the number of fragments in the worst case */
3954         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
3955                 netif_stop_queue(tp->dev);
3956                 return NETDEV_TX_BUSY;
3957         }
3958
3959         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
3960         if (unlikely(IS_ERR(segs)))
3961                 goto tg3_tso_bug_end;
3962
3963         do {
3964                 nskb = segs;
3965                 segs = segs->next;
3966                 nskb->next = NULL;
3967                 tg3_start_xmit_dma_bug(nskb, tp->dev);
3968         } while (segs);
3969
3970 tg3_tso_bug_end:
3971         dev_kfree_skb(skb);
3972
3973         return NETDEV_TX_OK;
3974 }
3975 #endif
3976
3977 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
3978  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
3979  */
3980 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
3981 {
3982         struct tg3 *tp = netdev_priv(dev);
3983         dma_addr_t mapping;
3984         u32 len, entry, base_flags, mss;
3985         int would_hit_hwbug;
3986
3987         len = skb_headlen(skb);
3988
3989         /* We are running in BH disabled context with netif_tx_lock
3990          * and TX reclaim runs via tp->poll inside of a software
3991          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3992          * no IRQ context deadlocks to worry about either.  Rejoice!
3993          */
3994         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3995                 if (!netif_queue_stopped(dev)) {
3996                         netif_stop_queue(dev);
3997
3998                         /* This is a hard error, log it. */
3999                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4000                                "queue awake!\n", dev->name);
4001                 }
4002                 return NETDEV_TX_BUSY;
4003         }
4004
4005         entry = tp->tx_prod;
4006         base_flags = 0;
4007         if (skb->ip_summed == CHECKSUM_PARTIAL)
4008                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4009 #if TG3_TSO_SUPPORT != 0
4010         mss = 0;
4011         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
4012             (mss = skb_shinfo(skb)->gso_size) != 0) {
4013                 int tcp_opt_len, ip_tcp_len, hdr_len;
4014
4015                 if (skb_header_cloned(skb) &&
4016                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4017                         dev_kfree_skb(skb);
4018                         goto out_unlock;
4019                 }
4020
4021                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4022                 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4023
4024                 hdr_len = ip_tcp_len + tcp_opt_len;
4025                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4026                              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
4027                         return (tg3_tso_bug(tp, skb));
4028
4029                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4030                                TXD_FLAG_CPU_POST_DMA);
4031
4032                 skb->nh.iph->check = 0;
4033                 skb->nh.iph->tot_len = htons(mss + hdr_len);
4034                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4035                         skb->h.th->check = 0;
4036                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4037                 }
4038                 else {
4039                         skb->h.th->check =
4040                                 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4041                                                    skb->nh.iph->daddr,
4042                                                    0, IPPROTO_TCP, 0);
4043                 }
4044
4045                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4046                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4047                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4048                                 int tsflags;
4049
4050                                 tsflags = ((skb->nh.iph->ihl - 5) +
4051                                            (tcp_opt_len >> 2));
4052                                 mss |= (tsflags << 11);
4053                         }
4054                 } else {
4055                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4056                                 int tsflags;
4057
4058                                 tsflags = ((skb->nh.iph->ihl - 5) +
4059                                            (tcp_opt_len >> 2));
4060                                 base_flags |= tsflags << 12;
4061                         }
4062                 }
4063         }
4064 #else
4065         mss = 0;
4066 #endif
4067 #if TG3_VLAN_TAG_USED
4068         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4069                 base_flags |= (TXD_FLAG_VLAN |
4070                                (vlan_tx_tag_get(skb) << 16));
4071 #endif
4072
4073         /* Queue skb data, a.k.a. the main skb fragment. */
4074         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4075
4076         tp->tx_buffers[entry].skb = skb;
4077         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4078
4079         would_hit_hwbug = 0;
4080
4081         if (tg3_4g_overflow_test(mapping, len))
4082                 would_hit_hwbug = 1;
4083
4084         tg3_set_txd(tp, entry, mapping, len, base_flags,
4085                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4086
4087         entry = NEXT_TX(entry);
4088
4089         /* Now loop through additional data fragments, and queue them. */
4090         if (skb_shinfo(skb)->nr_frags > 0) {
4091                 unsigned int i, last;
4092
4093                 last = skb_shinfo(skb)->nr_frags - 1;
4094                 for (i = 0; i <= last; i++) {
4095                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4096
4097                         len = frag->size;
4098                         mapping = pci_map_page(tp->pdev,
4099                                                frag->page,
4100                                                frag->page_offset,
4101                                                len, PCI_DMA_TODEVICE);
4102
4103                         tp->tx_buffers[entry].skb = NULL;
4104                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4105
4106                         if (tg3_4g_overflow_test(mapping, len))
4107                                 would_hit_hwbug = 1;
4108
4109                         if (tg3_40bit_overflow_test(tp, mapping, len))
4110                                 would_hit_hwbug = 1;
4111
4112                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4113                                 tg3_set_txd(tp, entry, mapping, len,
4114                                             base_flags, (i == last)|(mss << 1));
4115                         else
4116                                 tg3_set_txd(tp, entry, mapping, len,
4117                                             base_flags, (i == last));
4118
4119                         entry = NEXT_TX(entry);
4120                 }
4121         }
4122
4123         if (would_hit_hwbug) {
4124                 u32 last_plus_one = entry;
4125                 u32 start;
4126
4127                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4128                 start &= (TG3_TX_RING_SIZE - 1);
4129
4130                 /* If the workaround fails due to memory/mapping
4131                  * failure, silently drop this packet.
4132                  */
4133                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4134                                                 &start, base_flags, mss))
4135                         goto out_unlock;
4136
4137                 entry = start;
4138         }
4139
4140         /* Packets are ready, update Tx producer idx local and on card. */
4141         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4142
4143         tp->tx_prod = entry;
4144         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4145                 netif_stop_queue(dev);
4146                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH)
4147                         netif_wake_queue(tp->dev);
4148         }
4149
4150 out_unlock:
4151         mmiowb();
4152
4153         dev->trans_start = jiffies;
4154
4155         return NETDEV_TX_OK;
4156 }
4157
4158 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4159                                int new_mtu)
4160 {
4161         dev->mtu = new_mtu;
4162
4163         if (new_mtu > ETH_DATA_LEN) {
4164                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4165                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4166                         ethtool_op_set_tso(dev, 0);
4167                 }
4168                 else
4169                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4170         } else {
4171                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4172                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4173                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4174         }
4175 }
4176
4177 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4178 {
4179         struct tg3 *tp = netdev_priv(dev);
4180         int err;
4181
4182         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4183                 return -EINVAL;
4184
4185         if (!netif_running(dev)) {
4186                 /* We'll just catch it later when the
4187                  * device is up'd.
4188                  */
4189                 tg3_set_mtu(dev, tp, new_mtu);
4190                 return 0;
4191         }
4192
4193         tg3_netif_stop(tp);
4194
4195         tg3_full_lock(tp, 1);
4196
4197         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4198
4199         tg3_set_mtu(dev, tp, new_mtu);
4200
4201         err = tg3_restart_hw(tp, 0);
4202
4203         if (!err)
4204                 tg3_netif_start(tp);
4205
4206         tg3_full_unlock(tp);
4207
4208         return err;
4209 }
4210
4211 /* Free up pending packets in all rx/tx rings.
4212  *
4213  * The chip has been shut down and the driver detached from
4214  * the networking, so no interrupts or new tx packets will
4215  * end up in the driver.  tp->{tx,}lock is not held and we are not
4216  * in an interrupt context and thus may sleep.
4217  */
4218 static void tg3_free_rings(struct tg3 *tp)
4219 {
4220         struct ring_info *rxp;
4221         int i;
4222
4223         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4224                 rxp = &tp->rx_std_buffers[i];
4225
4226                 if (rxp->skb == NULL)
4227                         continue;
4228                 pci_unmap_single(tp->pdev,
4229                                  pci_unmap_addr(rxp, mapping),
4230                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4231                                  PCI_DMA_FROMDEVICE);
4232                 dev_kfree_skb_any(rxp->skb);
4233                 rxp->skb = NULL;
4234         }
4235
4236         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4237                 rxp = &tp->rx_jumbo_buffers[i];
4238
4239                 if (rxp->skb == NULL)
4240                         continue;
4241                 pci_unmap_single(tp->pdev,
4242                                  pci_unmap_addr(rxp, mapping),
4243                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4244                                  PCI_DMA_FROMDEVICE);
4245                 dev_kfree_skb_any(rxp->skb);
4246                 rxp->skb = NULL;
4247         }
4248
4249         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4250                 struct tx_ring_info *txp;
4251                 struct sk_buff *skb;
4252                 int j;
4253
4254                 txp = &tp->tx_buffers[i];
4255                 skb = txp->skb;
4256
4257                 if (skb == NULL) {
4258                         i++;
4259                         continue;
4260                 }
4261
4262                 pci_unmap_single(tp->pdev,
4263                                  pci_unmap_addr(txp, mapping),
4264                                  skb_headlen(skb),
4265                                  PCI_DMA_TODEVICE);
4266                 txp->skb = NULL;
4267
4268                 i++;
4269
4270                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4271                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4272                         pci_unmap_page(tp->pdev,
4273                                        pci_unmap_addr(txp, mapping),
4274                                        skb_shinfo(skb)->frags[j].size,
4275                                        PCI_DMA_TODEVICE);
4276                         i++;
4277                 }
4278
4279                 dev_kfree_skb_any(skb);
4280         }
4281 }
4282
4283 /* Initialize tx/rx rings for packet processing.
4284  *
4285  * The chip has been shut down and the driver detached from
4286  * the networking, so no interrupts or new tx packets will
4287  * end up in the driver.  tp->{tx,}lock are held and thus
4288  * we may not sleep.
4289  */
4290 static int tg3_init_rings(struct tg3 *tp)
4291 {
4292         u32 i;
4293
4294         /* Free up all the SKBs. */
4295         tg3_free_rings(tp);
4296
4297         /* Zero out all descriptors. */
4298         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4299         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4300         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4301         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4302
4303         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4304         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4305             (tp->dev->mtu > ETH_DATA_LEN))
4306                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4307
4308         /* Initialize invariants of the rings, we only set this
4309          * stuff once.  This works because the card does not
4310          * write into the rx buffer posting rings.
4311          */
4312         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4313                 struct tg3_rx_buffer_desc *rxd;
4314
4315                 rxd = &tp->rx_std[i];
4316                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4317                         << RXD_LEN_SHIFT;
4318                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4319                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4320                                (i << RXD_OPAQUE_INDEX_SHIFT));
4321         }
4322
4323         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4324                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4325                         struct tg3_rx_buffer_desc *rxd;
4326
4327                         rxd = &tp->rx_jumbo[i];
4328                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4329                                 << RXD_LEN_SHIFT;
4330                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4331                                 RXD_FLAG_JUMBO;
4332                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4333                                (i << RXD_OPAQUE_INDEX_SHIFT));
4334                 }
4335         }
4336
4337         /* Now allocate fresh SKBs for each rx ring. */
4338         for (i = 0; i < tp->rx_pending; i++) {
4339                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4340                         printk(KERN_WARNING PFX
4341                                "%s: Using a smaller RX standard ring, "
4342                                "only %d out of %d buffers were allocated "
4343                                "successfully.\n",
4344                                tp->dev->name, i, tp->rx_pending);
4345                         if (i == 0)
4346                                 return -ENOMEM;
4347                         tp->rx_pending = i;
4348                         break;
4349                 }
4350         }
4351
4352         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4353                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4354                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4355                                              -1, i) < 0) {
4356                                 printk(KERN_WARNING PFX
4357                                        "%s: Using a smaller RX jumbo ring, "
4358                                        "only %d out of %d buffers were "
4359                                        "allocated successfully.\n",
4360                                        tp->dev->name, i, tp->rx_jumbo_pending);
4361                                 if (i == 0) {
4362                                         tg3_free_rings(tp);
4363                                         return -ENOMEM;
4364                                 }
4365                                 tp->rx_jumbo_pending = i;
4366                                 break;
4367                         }
4368                 }
4369         }
4370         return 0;
4371 }
4372
4373 /*
4374  * Must not be invoked with interrupt sources disabled and
4375  * the hardware shutdown down.
4376  */
4377 static void tg3_free_consistent(struct tg3 *tp)
4378 {
4379         kfree(tp->rx_std_buffers);
4380         tp->rx_std_buffers = NULL;
4381         if (tp->rx_std) {
4382                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4383                                     tp->rx_std, tp->rx_std_mapping);
4384                 tp->rx_std = NULL;
4385         }
4386         if (tp->rx_jumbo) {
4387                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4388                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4389                 tp->rx_jumbo = NULL;
4390         }
4391         if (tp->rx_rcb) {
4392                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4393                                     tp->rx_rcb, tp->rx_rcb_mapping);
4394                 tp->rx_rcb = NULL;
4395         }
4396         if (tp->tx_ring) {
4397                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4398                         tp->tx_ring, tp->tx_desc_mapping);
4399                 tp->tx_ring = NULL;
4400         }
4401         if (tp->hw_status) {
4402                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4403                                     tp->hw_status, tp->status_mapping);
4404                 tp->hw_status = NULL;
4405         }
4406         if (tp->hw_stats) {
4407                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4408                                     tp->hw_stats, tp->stats_mapping);
4409                 tp->hw_stats = NULL;
4410         }
4411 }
4412
4413 /*
4414  * Must not be invoked with interrupt sources disabled and
4415  * the hardware shutdown down.  Can sleep.
4416  */
4417 static int tg3_alloc_consistent(struct tg3 *tp)
4418 {
4419         tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
4420                                       (TG3_RX_RING_SIZE +
4421                                        TG3_RX_JUMBO_RING_SIZE)) +
4422                                      (sizeof(struct tx_ring_info) *
4423                                       TG3_TX_RING_SIZE),
4424                                      GFP_KERNEL);
4425         if (!tp->rx_std_buffers)
4426                 return -ENOMEM;
4427
4428         memset(tp->rx_std_buffers, 0,
4429                (sizeof(struct ring_info) *
4430                 (TG3_RX_RING_SIZE +
4431                  TG3_RX_JUMBO_RING_SIZE)) +
4432                (sizeof(struct tx_ring_info) *
4433                 TG3_TX_RING_SIZE));
4434
4435         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4436         tp->tx_buffers = (struct tx_ring_info *)
4437                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4438
4439         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4440                                           &tp->rx_std_mapping);
4441         if (!tp->rx_std)
4442                 goto err_out;
4443
4444         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4445                                             &tp->rx_jumbo_mapping);
4446
4447         if (!tp->rx_jumbo)
4448                 goto err_out;
4449
4450         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4451                                           &tp->rx_rcb_mapping);
4452         if (!tp->rx_rcb)
4453                 goto err_out;
4454
4455         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4456                                            &tp->tx_desc_mapping);
4457         if (!tp->tx_ring)
4458                 goto err_out;
4459
4460         tp->hw_status = pci_alloc_consistent(tp->pdev,
4461                                              TG3_HW_STATUS_SIZE,
4462                                              &tp->status_mapping);
4463         if (!tp->hw_status)
4464                 goto err_out;
4465
4466         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4467                                             sizeof(struct tg3_hw_stats),
4468                                             &tp->stats_mapping);
4469         if (!tp->hw_stats)
4470                 goto err_out;
4471
4472         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4473         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4474
4475         return 0;
4476
4477 err_out:
4478         tg3_free_consistent(tp);
4479         return -ENOMEM;
4480 }
4481
4482 #define MAX_WAIT_CNT 1000
4483
4484 /* To stop a block, clear the enable bit and poll till it
4485  * clears.  tp->lock is held.
4486  */
4487 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4488 {
4489         unsigned int i;
4490         u32 val;
4491
4492         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4493                 switch (ofs) {
4494                 case RCVLSC_MODE:
4495                 case DMAC_MODE:
4496                 case MBFREE_MODE:
4497                 case BUFMGR_MODE:
4498                 case MEMARB_MODE:
4499                         /* We can't enable/disable these bits of the
4500                          * 5705/5750, just say success.
4501                          */
4502                         return 0;
4503
4504                 default:
4505                         break;
4506                 };
4507         }
4508
4509         val = tr32(ofs);
4510         val &= ~enable_bit;
4511         tw32_f(ofs, val);
4512
4513         for (i = 0; i < MAX_WAIT_CNT; i++) {
4514                 udelay(100);
4515                 val = tr32(ofs);
4516                 if ((val & enable_bit) == 0)
4517                         break;
4518         }
4519
4520         if (i == MAX_WAIT_CNT && !silent) {
4521                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4522                        "ofs=%lx enable_bit=%x\n",
4523                        ofs, enable_bit);
4524                 return -ENODEV;
4525         }
4526
4527         return 0;
4528 }
4529
4530 /* tp->lock is held. */
4531 static int tg3_abort_hw(struct tg3 *tp, int silent)
4532 {
4533         int i, err;
4534
4535         tg3_disable_ints(tp);
4536
4537         tp->rx_mode &= ~RX_MODE_ENABLE;
4538         tw32_f(MAC_RX_MODE, tp->rx_mode);
4539         udelay(10);
4540
4541         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4542         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4543         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4544         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4545         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4546         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4547
4548         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4549         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4550         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4551         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4552         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4553         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4554         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4555
4556         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4557         tw32_f(MAC_MODE, tp->mac_mode);
4558         udelay(40);
4559
4560         tp->tx_mode &= ~TX_MODE_ENABLE;
4561         tw32_f(MAC_TX_MODE, tp->tx_mode);
4562
4563         for (i = 0; i < MAX_WAIT_CNT; i++) {
4564                 udelay(100);
4565                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4566                         break;
4567         }
4568         if (i >= MAX_WAIT_CNT) {
4569                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4570                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4571                        tp->dev->name, tr32(MAC_TX_MODE));
4572                 err |= -ENODEV;
4573         }
4574
4575         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4576         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4577         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4578
4579         tw32(FTQ_RESET, 0xffffffff);
4580         tw32(FTQ_RESET, 0x00000000);
4581
4582         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4583         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4584
4585         if (tp->hw_status)
4586                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4587         if (tp->hw_stats)
4588                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4589
4590         return err;
4591 }
4592
4593 /* tp->lock is held. */
4594 static int tg3_nvram_lock(struct tg3 *tp)
4595 {
4596         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4597                 int i;
4598
4599                 if (tp->nvram_lock_cnt == 0) {
4600                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4601                         for (i = 0; i < 8000; i++) {
4602                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4603                                         break;
4604                                 udelay(20);
4605                         }
4606                         if (i == 8000) {
4607                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4608                                 return -ENODEV;
4609                         }
4610                 }
4611                 tp->nvram_lock_cnt++;
4612         }
4613         return 0;
4614 }
4615
4616 /* tp->lock is held. */
4617 static void tg3_nvram_unlock(struct tg3 *tp)
4618 {
4619         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4620                 if (tp->nvram_lock_cnt > 0)
4621                         tp->nvram_lock_cnt--;
4622                 if (tp->nvram_lock_cnt == 0)
4623                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4624         }
4625 }
4626
4627 /* tp->lock is held. */
4628 static void tg3_enable_nvram_access(struct tg3 *tp)
4629 {
4630         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4631             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4632                 u32 nvaccess = tr32(NVRAM_ACCESS);
4633
4634                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4635         }
4636 }
4637
4638 /* tp->lock is held. */
4639 static void tg3_disable_nvram_access(struct tg3 *tp)
4640 {
4641         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4642             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4643                 u32 nvaccess = tr32(NVRAM_ACCESS);
4644
4645                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4646         }
4647 }
4648
4649 /* tp->lock is held. */
4650 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4651 {
4652         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4653                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4654
4655         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4656                 switch (kind) {
4657                 case RESET_KIND_INIT:
4658                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4659                                       DRV_STATE_START);
4660                         break;
4661
4662                 case RESET_KIND_SHUTDOWN:
4663                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4664                                       DRV_STATE_UNLOAD);
4665                         break;
4666
4667                 case RESET_KIND_SUSPEND:
4668                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4669                                       DRV_STATE_SUSPEND);
4670                         break;
4671
4672                 default:
4673                         break;
4674                 };
4675         }
4676 }
4677
4678 /* tp->lock is held. */
4679 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4680 {
4681         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4682                 switch (kind) {
4683                 case RESET_KIND_INIT:
4684                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4685                                       DRV_STATE_START_DONE);
4686                         break;
4687
4688                 case RESET_KIND_SHUTDOWN:
4689                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4690                                       DRV_STATE_UNLOAD_DONE);
4691                         break;
4692
4693                 default:
4694                         break;
4695                 };
4696         }
4697 }
4698
4699 /* tp->lock is held. */
4700 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4701 {
4702         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4703                 switch (kind) {
4704                 case RESET_KIND_INIT:
4705                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4706                                       DRV_STATE_START);
4707                         break;
4708
4709                 case RESET_KIND_SHUTDOWN:
4710                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4711                                       DRV_STATE_UNLOAD);
4712                         break;
4713
4714                 case RESET_KIND_SUSPEND:
4715                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4716                                       DRV_STATE_SUSPEND);
4717                         break;
4718
4719                 default:
4720                         break;
4721                 };
4722         }
4723 }
4724
4725 static int tg3_poll_fw(struct tg3 *tp)
4726 {
4727         int i;
4728         u32 val;
4729
4730         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4731                 for (i = 0; i < 400; i++) {
4732                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4733                                 return 0;
4734                         udelay(10);
4735                 }
4736                 return -ENODEV;
4737         }
4738
4739         /* Wait for firmware initialization to complete. */
4740         for (i = 0; i < 100000; i++) {
4741                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4742                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4743                         break;
4744                 udelay(10);
4745         }
4746
4747         /* Chip might not be fitted with firmware.  Some Sun onboard
4748          * parts are configured like that.  So don't signal the timeout
4749          * of the above loop as an error, but do report the lack of
4750          * running firmware once.
4751          */
4752         if (i >= 100000 &&
4753             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4754                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4755
4756                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4757                        tp->dev->name);
4758         }
4759
4760         return 0;
4761 }
4762
4763 static void tg3_stop_fw(struct tg3 *);
4764
4765 /* tp->lock is held. */
4766 static int tg3_chip_reset(struct tg3 *tp)
4767 {
4768         u32 val;
4769         void (*write_op)(struct tg3 *, u32, u32);
4770         int err;
4771
4772         tg3_nvram_lock(tp);
4773
4774         /* No matching tg3_nvram_unlock() after this because
4775          * chip reset below will undo the nvram lock.
4776          */
4777         tp->nvram_lock_cnt = 0;
4778
4779         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4780             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4781             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4782                 tw32(GRC_FASTBOOT_PC, 0);
4783
4784         /*
4785          * We must avoid the readl() that normally takes place.
4786          * It locks machines, causes machine checks, and other
4787          * fun things.  So, temporarily disable the 5701
4788          * hardware workaround, while we do the reset.
4789          */
4790         write_op = tp->write32;
4791         if (write_op == tg3_write_flush_reg32)
4792                 tp->write32 = tg3_write32;
4793
4794         /* do the reset */
4795         val = GRC_MISC_CFG_CORECLK_RESET;
4796
4797         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4798                 if (tr32(0x7e2c) == 0x60) {
4799                         tw32(0x7e2c, 0x20);
4800                 }
4801                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4802                         tw32(GRC_MISC_CFG, (1 << 29));
4803                         val |= (1 << 29);
4804                 }
4805         }
4806
4807         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4808                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4809                 tw32(GRC_VCPU_EXT_CTRL,
4810                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4811         }
4812
4813         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4814                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4815         tw32(GRC_MISC_CFG, val);
4816
4817         /* restore 5701 hardware bug workaround write method */
4818         tp->write32 = write_op;
4819
4820         /* Unfortunately, we have to delay before the PCI read back.
4821          * Some 575X chips even will not respond to a PCI cfg access
4822          * when the reset command is given to the chip.
4823          *
4824          * How do these hardware designers expect things to work
4825          * properly if the PCI write is posted for a long period
4826          * of time?  It is always necessary to have some method by
4827          * which a register read back can occur to push the write
4828          * out which does the reset.
4829          *
4830          * For most tg3 variants the trick below was working.
4831          * Ho hum...
4832          */
4833         udelay(120);
4834
4835         /* Flush PCI posted writes.  The normal MMIO registers
4836          * are inaccessible at this time so this is the only
4837          * way to make this reliably (actually, this is no longer
4838          * the case, see above).  I tried to use indirect
4839          * register read/write but this upset some 5701 variants.
4840          */
4841         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4842
4843         udelay(120);
4844
4845         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4846                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4847                         int i;
4848                         u32 cfg_val;
4849
4850                         /* Wait for link training to complete.  */
4851                         for (i = 0; i < 5000; i++)
4852                                 udelay(100);
4853
4854                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4855                         pci_write_config_dword(tp->pdev, 0xc4,
4856                                                cfg_val | (1 << 15));
4857                 }
4858                 /* Set PCIE max payload size and clear error status.  */
4859                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4860         }
4861
4862         /* Re-enable indirect register accesses. */
4863         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4864                                tp->misc_host_ctrl);
4865
4866         /* Set MAX PCI retry to zero. */
4867         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4868         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4869             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4870                 val |= PCISTATE_RETRY_SAME_DMA;
4871         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4872
4873         pci_restore_state(tp->pdev);
4874
4875         /* Make sure PCI-X relaxed ordering bit is clear. */
4876         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4877         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4878         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4879
4880         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4881                 u32 val;
4882
4883                 /* Chip reset on 5780 will reset MSI enable bit,
4884                  * so need to restore it.
4885                  */
4886                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4887                         u16 ctrl;
4888
4889                         pci_read_config_word(tp->pdev,
4890                                              tp->msi_cap + PCI_MSI_FLAGS,
4891                                              &ctrl);
4892                         pci_write_config_word(tp->pdev,
4893                                               tp->msi_cap + PCI_MSI_FLAGS,
4894                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4895                         val = tr32(MSGINT_MODE);
4896                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4897                 }
4898
4899                 val = tr32(MEMARB_MODE);
4900                 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4901
4902         } else
4903                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4904
4905         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4906                 tg3_stop_fw(tp);
4907                 tw32(0x5000, 0x400);
4908         }
4909
4910         tw32(GRC_MODE, tp->grc_mode);
4911
4912         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4913                 u32 val = tr32(0xc4);
4914
4915                 tw32(0xc4, val | (1 << 15));
4916         }
4917
4918         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4919             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4920                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4921                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4922                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4923                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4924         }
4925
4926         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4927                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4928                 tw32_f(MAC_MODE, tp->mac_mode);
4929         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4930                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4931                 tw32_f(MAC_MODE, tp->mac_mode);
4932         } else
4933                 tw32_f(MAC_MODE, 0);
4934         udelay(40);
4935
4936         err = tg3_poll_fw(tp);
4937         if (err)
4938                 return err;
4939
4940         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4941             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4942                 u32 val = tr32(0x7c00);
4943
4944                 tw32(0x7c00, val | (1 << 25));
4945         }
4946
4947         /* Reprobe ASF enable state.  */
4948         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4949         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4950         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4951         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4952                 u32 nic_cfg;
4953
4954                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4955                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4956                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4957                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
4958                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4959                 }
4960         }
4961
4962         return 0;
4963 }
4964
4965 /* tp->lock is held. */
4966 static void tg3_stop_fw(struct tg3 *tp)
4967 {
4968         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4969                 u32 val;
4970                 int i;
4971
4972                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4973                 val = tr32(GRC_RX_CPU_EVENT);
4974                 val |= (1 << 14);
4975                 tw32(GRC_RX_CPU_EVENT, val);
4976
4977                 /* Wait for RX cpu to ACK the event.  */
4978                 for (i = 0; i < 100; i++) {
4979                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4980                                 break;
4981                         udelay(1);
4982                 }
4983         }
4984 }
4985
4986 /* tp->lock is held. */
4987 static int tg3_halt(struct tg3 *tp, int kind, int silent)
4988 {
4989         int err;
4990
4991         tg3_stop_fw(tp);
4992
4993         tg3_write_sig_pre_reset(tp, kind);
4994
4995         tg3_abort_hw(tp, silent);
4996         err = tg3_chip_reset(tp);
4997
4998         tg3_write_sig_legacy(tp, kind);
4999         tg3_write_sig_post_reset(tp, kind);
5000
5001         if (err)
5002                 return err;
5003
5004         return 0;
5005 }
5006
5007 #define TG3_FW_RELEASE_MAJOR    0x0
5008 #define TG3_FW_RELASE_MINOR     0x0
5009 #define TG3_FW_RELEASE_FIX      0x0
5010 #define TG3_FW_START_ADDR       0x08000000
5011 #define TG3_FW_TEXT_ADDR        0x08000000
5012 #define TG3_FW_TEXT_LEN         0x9c0
5013 #define TG3_FW_RODATA_ADDR      0x080009c0
5014 #define TG3_FW_RODATA_LEN       0x60
5015 #define TG3_FW_DATA_ADDR        0x08000a40
5016 #define TG3_FW_DATA_LEN         0x20
5017 #define TG3_FW_SBSS_ADDR        0x08000a60
5018 #define TG3_FW_SBSS_LEN         0xc
5019 #define TG3_FW_BSS_ADDR         0x08000a70
5020 #define TG3_FW_BSS_LEN          0x10
5021
5022 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5023         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5024         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5025         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5026         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5027         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5028         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5029         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5030         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5031         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5032         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5033         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5034         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5035         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5036         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5037         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5038         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5039         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5040         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5041         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5042         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5043         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5044         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5045         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5046         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5047         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5048         0, 0, 0, 0, 0, 0,
5049         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5050         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5051         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5052         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5053         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5054         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5055         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5056         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5057         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5058         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5059         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5060         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5061         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5062         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5063         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5064         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5065         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5066         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5067         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5068         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5069         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5070         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5071         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5072         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5073         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5074         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5075         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5076         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5077         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5078         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5079         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5080         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5081         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5082         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5083         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5084         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5085         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5086         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5087         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5088         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5089         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5090         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5091         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5092         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5093         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5094         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5095         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5096         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5097         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5098         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5099         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5100         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5101         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5102         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5103         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5104         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5105         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5106         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5107         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5108         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5109         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5110         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5111         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5112         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5113         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5114 };
5115
5116 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5117         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5118         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5119         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5120         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5121         0x00000000
5122 };
5123
5124 #if 0 /* All zeros, don't eat up space with it. */
5125 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5126         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5127         0x00000000, 0x00000000, 0x00000000, 0x00000000
5128 };
5129 #endif
5130
5131 #define RX_CPU_SCRATCH_BASE     0x30000
5132 #define RX_CPU_SCRATCH_SIZE     0x04000
5133 #define TX_CPU_SCRATCH_BASE     0x34000
5134 #define TX_CPU_SCRATCH_SIZE     0x04000
5135
5136 /* tp->lock is held. */
5137 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5138 {
5139         int i;
5140
5141         BUG_ON(offset == TX_CPU_BASE &&
5142             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5143
5144         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5145                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5146
5147                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5148                 return 0;
5149         }
5150         if (offset == RX_CPU_BASE) {
5151                 for (i = 0; i < 10000; i++) {
5152                         tw32(offset + CPU_STATE, 0xffffffff);
5153                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5154                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5155                                 break;
5156                 }
5157
5158                 tw32(offset + CPU_STATE, 0xffffffff);
5159                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5160                 udelay(10);
5161         } else {
5162                 for (i = 0; i < 10000; i++) {
5163                         tw32(offset + CPU_STATE, 0xffffffff);
5164                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5165                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5166                                 break;
5167                 }
5168         }
5169
5170         if (i >= 10000) {
5171                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5172                        "and %s CPU\n",
5173                        tp->dev->name,
5174                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5175                 return -ENODEV;
5176         }
5177
5178         /* Clear firmware's nvram arbitration. */
5179         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5180                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5181         return 0;
5182 }
5183
5184 struct fw_info {
5185         unsigned int text_base;
5186         unsigned int text_len;
5187         const u32 *text_data;
5188         unsigned int rodata_base;
5189         unsigned int rodata_len;
5190         const u32 *rodata_data;
5191         unsigned int data_base;
5192         unsigned int data_len;
5193         const u32 *data_data;
5194 };
5195
5196 /* tp->lock is held. */
5197 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5198                                  int cpu_scratch_size, struct fw_info *info)
5199 {
5200         int err, lock_err, i;
5201         void (*write_op)(struct tg3 *, u32, u32);
5202
5203         if (cpu_base == TX_CPU_BASE &&
5204             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5205                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5206                        "TX cpu firmware on %s which is 5705.\n",
5207                        tp->dev->name);
5208                 return -EINVAL;
5209         }
5210
5211         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5212                 write_op = tg3_write_mem;
5213         else
5214                 write_op = tg3_write_indirect_reg32;
5215
5216         /* It is possible that bootcode is still loading at this point.
5217          * Get the nvram lock first before halting the cpu.
5218          */
5219         lock_err = tg3_nvram_lock(tp);
5220         err = tg3_halt_cpu(tp, cpu_base);
5221         if (!lock_err)
5222                 tg3_nvram_unlock(tp);
5223         if (err)
5224                 goto out;
5225
5226         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5227                 write_op(tp, cpu_scratch_base + i, 0);
5228         tw32(cpu_base + CPU_STATE, 0xffffffff);
5229         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5230         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5231                 write_op(tp, (cpu_scratch_base +
5232                               (info->text_base & 0xffff) +
5233                               (i * sizeof(u32))),
5234                          (info->text_data ?
5235                           info->text_data[i] : 0));
5236         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5237                 write_op(tp, (cpu_scratch_base +
5238                               (info->rodata_base & 0xffff) +
5239                               (i * sizeof(u32))),
5240                          (info->rodata_data ?
5241                           info->rodata_data[i] : 0));
5242         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5243                 write_op(tp, (cpu_scratch_base +
5244                               (info->data_base & 0xffff) +
5245                               (i * sizeof(u32))),
5246                          (info->data_data ?
5247                           info->data_data[i] : 0));
5248
5249         err = 0;
5250
5251 out:
5252         return err;
5253 }
5254
5255 /* tp->lock is held. */
5256 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5257 {
5258         struct fw_info info;
5259         int err, i;
5260
5261         info.text_base = TG3_FW_TEXT_ADDR;
5262         info.text_len = TG3_FW_TEXT_LEN;
5263         info.text_data = &tg3FwText[0];
5264         info.rodata_base = TG3_FW_RODATA_ADDR;
5265         info.rodata_len = TG3_FW_RODATA_LEN;
5266         info.rodata_data = &tg3FwRodata[0];
5267         info.data_base = TG3_FW_DATA_ADDR;
5268         info.data_len = TG3_FW_DATA_LEN;
5269         info.data_data = NULL;
5270
5271         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5272                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5273                                     &info);
5274         if (err)
5275                 return err;
5276
5277         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5278                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5279                                     &info);
5280         if (err)
5281                 return err;
5282
5283         /* Now startup only the RX cpu. */
5284         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5285         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5286
5287         for (i = 0; i < 5; i++) {
5288                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5289                         break;
5290                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5291                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5292                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5293                 udelay(1000);
5294         }
5295         if (i >= 5) {
5296                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5297                        "to set RX CPU PC, is %08x should be %08x\n",
5298                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5299                        TG3_FW_TEXT_ADDR);
5300                 return -ENODEV;
5301         }
5302         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5303         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5304
5305         return 0;
5306 }
5307
5308 #if TG3_TSO_SUPPORT != 0
5309
5310 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5311 #define TG3_TSO_FW_RELASE_MINOR         0x6
5312 #define TG3_TSO_FW_RELEASE_FIX          0x0
5313 #define TG3_TSO_FW_START_ADDR           0x08000000
5314 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5315 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5316 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5317 #define TG3_TSO_FW_RODATA_LEN           0x60
5318 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5319 #define TG3_TSO_FW_DATA_LEN             0x30
5320 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5321 #define TG3_TSO_FW_SBSS_LEN             0x2c
5322 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5323 #define TG3_TSO_FW_BSS_LEN              0x894
5324
5325 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5326         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5327         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5328         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5329         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5330         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5331         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5332         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5333         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5334         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5335         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5336         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5337         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5338         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5339         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5340         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5341         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5342         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5343         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5344         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5345         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5346         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5347         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5348         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5349         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5350         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5351         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5352         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5353         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5354         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5355         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5356         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5357         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5358         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5359         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5360         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5361         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5362         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5363         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5364         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5365         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5366         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5367         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5368         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5369         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5370         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5371         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5372         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5373         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5374         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5375         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5376         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5377         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5378         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5379         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5380         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5381         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5382         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5383         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5384         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5385         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5386         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5387         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5388         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5389         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5390         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5391         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5392         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5393         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5394         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5395         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5396         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5397         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5398         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5399         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5400         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5401         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5402         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5403         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5404         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5405         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5406         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5407         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5408         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5409         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5410         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5411         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5412         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5413         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5414         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5415         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5416         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5417         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5418         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5419         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5420         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5421         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5422         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5423         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5424         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5425         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5426         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5427         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5428         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5429         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5430         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5431         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5432         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5433         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5434         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5435         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5436         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5437         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5438         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5439         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5440         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5441         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5442         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5443         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5444         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5445         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5446         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5447         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5448         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5449         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5450         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5451         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5452         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5453         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5454         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5455         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5456         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5457         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5458         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5459         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5460         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5461         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5462         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5463         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5464         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5465         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5466         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5467         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5468         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5469         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5470         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5471         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5472         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5473         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5474         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5475         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5476         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5477         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5478         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5479         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5480         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5481         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5482         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5483         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5484         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5485         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5486         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5487         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5488         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5489         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5490         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5491         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5492         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5493         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5494         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5495         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5496         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5497         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5498         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5499         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5500         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5501         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5502         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5503         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5504         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5505         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5506         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5507         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5508         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5509         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5510         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5511         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5512         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5513         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5514         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5515         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5516         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5517         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5518         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5519         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5520         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5521         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5522         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5523         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5524         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5525         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5526         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5527         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5528         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5529         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5530         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5531         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5532         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5533         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5534         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5535         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5536         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5537         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5538         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5539         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5540         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5541         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5542         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5543         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5544         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5545         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5546         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5547         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5548         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5549         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5550         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5551         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5552         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5553         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5554         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5555         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5556         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5557         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5558         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5559         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5560         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5561         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5562         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5563         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5564         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5565         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5566         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5567         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5568         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5569         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5570         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5571         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5572         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5573         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5574         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5575         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5576         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5577         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5578         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5579         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5580         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5581         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5582         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5583         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5584         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5585         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5586         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5587         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5588         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5589         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5590         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5591         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5592         0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5593         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5594         0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5595         0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5596         0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5597         0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5598         0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5599         0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5600         0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5601         0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5602         0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5603         0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5604         0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5605         0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5606         0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5607         0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5608         0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5609         0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5610 };
5611
5612 static const u32 tg3TsoFwRodata[] = {
5613         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5614         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5615         0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5616         0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5617         0x00000000,
5618 };
5619
5620 static const u32 tg3TsoFwData[] = {
5621         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5622         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5623         0x00000000,
5624 };
5625
5626 /* 5705 needs a special version of the TSO firmware.  */
5627 #define TG3_TSO5_FW_RELEASE_MAJOR       0x1
5628 #define TG3_TSO5_FW_RELASE_MINOR        0x2
5629 #define TG3_TSO5_FW_RELEASE_FIX         0x0
5630 #define TG3_TSO5_FW_START_ADDR          0x00010000
5631 #define TG3_TSO5_FW_TEXT_ADDR           0x00010000
5632 #define TG3_TSO5_FW_TEXT_LEN            0xe90
5633 #define TG3_TSO5_FW_RODATA_ADDR         0x00010e90
5634 #define TG3_TSO5_FW_RODATA_LEN          0x50
5635 #define TG3_TSO5_FW_DATA_ADDR           0x00010f00
5636 #define TG3_TSO5_FW_DATA_LEN            0x20
5637 #define TG3_TSO5_FW_SBSS_ADDR           0x00010f20
5638 #define TG3_TSO5_FW_SBSS_LEN            0x28
5639 #define TG3_TSO5_FW_BSS_ADDR            0x00010f50
5640 #define TG3_TSO5_FW_BSS_LEN             0x88
5641
5642 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5643         0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5644         0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5645         0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5646         0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5647         0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5648         0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5649         0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5650         0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5651         0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5652         0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5653         0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5654         0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5655         0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5656         0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5657         0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5658         0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5659         0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5660         0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5661         0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5662         0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5663         0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5664         0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5665         0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5666         0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5667         0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5668         0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5669         0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5670         0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5671         0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5672         0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5673         0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5674         0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5675         0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5676         0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5677         0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5678         0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5679         0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5680         0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5681         0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5682         0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5683         0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5684         0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5685         0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5686         0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5687         0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5688         0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5689         0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5690         0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5691         0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5692         0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5693         0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5694         0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5695         0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5696         0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5697         0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5698         0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5699         0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5700         0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5701         0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5702         0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5703         0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5704         0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5705         0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5706         0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5707         0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5708         0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5709         0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5710         0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5711         0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5712         0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5713         0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5714         0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5715         0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5716         0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5717         0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5718         0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5719         0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5720         0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5721         0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5722         0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5723         0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5724         0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5725         0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5726         0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5727         0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5728         0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5729         0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5730         0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5731         0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5732         0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5733         0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5734         0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5735         0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5736         0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5737         0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5738         0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5739         0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5740         0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5741         0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5742         0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5743         0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5744         0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5745         0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5746         0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5747         0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5748         0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5749         0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5750         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5751         0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5752         0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5753         0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5754         0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5755         0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5756         0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5757         0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5758         0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5759         0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5760         0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5761         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5762         0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5763         0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5764         0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5765         0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5766         0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5767         0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5768         0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5769         0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5770         0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5771         0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5772         0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5773         0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5774         0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5775         0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5776         0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5777         0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5778         0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5779         0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5780         0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5781         0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5782         0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5783         0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5784         0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5785         0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5786         0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5787         0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5788         0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5789         0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5790         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5791         0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5792         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5793         0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5794         0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5795         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5796         0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5797         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5798         0x00000000, 0x00000000, 0x00000000,
5799 };
5800
5801 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5802         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5803         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5804         0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5805         0x00000000, 0x00000000, 0x00000000,
5806 };
5807
5808 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5809         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5810         0x00000000, 0x00000000, 0x00000000,
5811 };
5812
5813 /* tp->lock is held. */
5814 static int tg3_load_tso_firmware(struct tg3 *tp)
5815 {
5816         struct fw_info info;
5817         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5818         int err, i;
5819
5820         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5821                 return 0;
5822
5823         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5824                 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5825                 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5826                 info.text_data = &tg3Tso5FwText[0];
5827                 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5828                 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5829                 info.rodata_data = &tg3Tso5FwRodata[0];
5830                 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5831                 info.data_len = TG3_TSO5_FW_DATA_LEN;
5832                 info.data_data = &tg3Tso5FwData[0];
5833                 cpu_base = RX_CPU_BASE;
5834                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5835                 cpu_scratch_size = (info.text_len +
5836                                     info.rodata_len +
5837                                     info.data_len +
5838                                     TG3_TSO5_FW_SBSS_LEN +
5839                                     TG3_TSO5_FW_BSS_LEN);
5840         } else {
5841                 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5842                 info.text_len = TG3_TSO_FW_TEXT_LEN;
5843                 info.text_data = &tg3TsoFwText[0];
5844                 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5845                 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5846                 info.rodata_data = &tg3TsoFwRodata[0];
5847                 info.data_base = TG3_TSO_FW_DATA_ADDR;
5848                 info.data_len = TG3_TSO_FW_DATA_LEN;
5849                 info.data_data = &tg3TsoFwData[0];
5850                 cpu_base = TX_CPU_BASE;
5851                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5852                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5853         }
5854
5855         err = tg3_load_firmware_cpu(tp, cpu_base,
5856                                     cpu_scratch_base, cpu_scratch_size,
5857                                     &info);
5858         if (err)
5859                 return err;
5860
5861         /* Now startup the cpu. */
5862         tw32(cpu_base + CPU_STATE, 0xffffffff);
5863         tw32_f(cpu_base + CPU_PC,    info.text_base);
5864
5865         for (i = 0; i < 5; i++) {
5866                 if (tr32(cpu_base + CPU_PC) == info.text_base)
5867                         break;
5868                 tw32(cpu_base + CPU_STATE, 0xffffffff);
5869                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
5870                 tw32_f(cpu_base + CPU_PC,    info.text_base);
5871                 udelay(1000);
5872         }
5873         if (i >= 5) {
5874                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5875                        "to set CPU PC, is %08x should be %08x\n",
5876                        tp->dev->name, tr32(cpu_base + CPU_PC),
5877                        info.text_base);
5878                 return -ENODEV;
5879         }
5880         tw32(cpu_base + CPU_STATE, 0xffffffff);
5881         tw32_f(cpu_base + CPU_MODE,  0x00000000);
5882         return 0;
5883 }
5884
5885 #endif /* TG3_TSO_SUPPORT != 0 */
5886
5887 /* tp->lock is held. */
5888 static void __tg3_set_mac_addr(struct tg3 *tp)
5889 {
5890         u32 addr_high, addr_low;
5891         int i;
5892
5893         addr_high = ((tp->dev->dev_addr[0] << 8) |
5894                      tp->dev->dev_addr[1]);
5895         addr_low = ((tp->dev->dev_addr[2] << 24) |
5896                     (tp->dev->dev_addr[3] << 16) |
5897                     (tp->dev->dev_addr[4] <<  8) |
5898                     (tp->dev->dev_addr[5] <<  0));
5899         for (i = 0; i < 4; i++) {
5900                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5901                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5902         }
5903
5904         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5905             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5906                 for (i = 0; i < 12; i++) {
5907                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5908                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5909                 }
5910         }
5911
5912         addr_high = (tp->dev->dev_addr[0] +
5913                      tp->dev->dev_addr[1] +
5914                      tp->dev->dev_addr[2] +
5915                      tp->dev->dev_addr[3] +
5916                      tp->dev->dev_addr[4] +
5917                      tp->dev->dev_addr[5]) &
5918                 TX_BACKOFF_SEED_MASK;
5919         tw32(MAC_TX_BACKOFF_SEED, addr_high);
5920 }
5921
5922 static int tg3_set_mac_addr(struct net_device *dev, void *p)
5923 {
5924         struct tg3 *tp = netdev_priv(dev);
5925         struct sockaddr *addr = p;
5926         int err = 0;
5927
5928         if (!is_valid_ether_addr(addr->sa_data))
5929                 return -EINVAL;
5930
5931         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5932
5933         if (!netif_running(dev))
5934                 return 0;
5935
5936         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5937                 /* Reset chip so that ASF can re-init any MAC addresses it
5938                  * needs.
5939                  */
5940                 tg3_netif_stop(tp);
5941                 tg3_full_lock(tp, 1);
5942
5943                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5944                 err = tg3_restart_hw(tp, 0);
5945                 if (!err)
5946                         tg3_netif_start(tp);
5947                 tg3_full_unlock(tp);
5948         } else {
5949                 spin_lock_bh(&tp->lock);
5950                 __tg3_set_mac_addr(tp);
5951                 spin_unlock_bh(&tp->lock);
5952         }
5953
5954         return err;
5955 }
5956
5957 /* tp->lock is held. */
5958 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5959                            dma_addr_t mapping, u32 maxlen_flags,
5960                            u32 nic_addr)
5961 {
5962         tg3_write_mem(tp,
5963                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5964                       ((u64) mapping >> 32));
5965         tg3_write_mem(tp,
5966                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5967                       ((u64) mapping & 0xffffffff));
5968         tg3_write_mem(tp,
5969                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5970                        maxlen_flags);
5971
5972         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5973                 tg3_write_mem(tp,
5974                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5975                               nic_addr);
5976 }
5977
5978 static void __tg3_set_rx_mode(struct net_device *);
5979 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
5980 {
5981         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5982         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5983         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5984         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5985         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5986                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5987                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5988         }
5989         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5990         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5991         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5992                 u32 val = ec->stats_block_coalesce_usecs;
5993
5994                 if (!netif_carrier_ok(tp->dev))
5995                         val = 0;
5996
5997                 tw32(HOSTCC_STAT_COAL_TICKS, val);
5998         }
5999 }
6000
6001 /* tp->lock is held. */
6002 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6003 {
6004         u32 val, rdmac_mode;
6005         int i, err, limit;
6006
6007         tg3_disable_ints(tp);
6008
6009         tg3_stop_fw(tp);
6010
6011         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6012
6013         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6014                 tg3_abort_hw(tp, 1);
6015         }
6016
6017         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) && reset_phy)
6018                 tg3_phy_reset(tp);
6019
6020         err = tg3_chip_reset(tp);
6021         if (err)
6022                 return err;
6023
6024         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6025
6026         /* This works around an issue with Athlon chipsets on
6027          * B3 tigon3 silicon.  This bit has no effect on any
6028          * other revision.  But do not set this on PCI Express
6029          * chips.
6030          */
6031         if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6032                 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6033         tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6034
6035         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6036             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6037                 val = tr32(TG3PCI_PCISTATE);
6038                 val |= PCISTATE_RETRY_SAME_DMA;
6039                 tw32(TG3PCI_PCISTATE, val);
6040         }
6041
6042         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6043                 /* Enable some hw fixes.  */
6044                 val = tr32(TG3PCI_MSI_DATA);
6045                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6046                 tw32(TG3PCI_MSI_DATA, val);
6047         }
6048
6049         /* Descriptor ring init may make accesses to the
6050          * NIC SRAM area to setup the TX descriptors, so we
6051          * can only do this after the hardware has been
6052          * successfully reset.
6053          */
6054         err = tg3_init_rings(tp);
6055         if (err)
6056                 return err;
6057
6058         /* This value is determined during the probe time DMA
6059          * engine test, tg3_test_dma.
6060          */
6061         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6062
6063         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6064                           GRC_MODE_4X_NIC_SEND_RINGS |
6065                           GRC_MODE_NO_TX_PHDR_CSUM |
6066                           GRC_MODE_NO_RX_PHDR_CSUM);
6067         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6068
6069         /* Pseudo-header checksum is done by hardware logic and not
6070          * the offload processers, so make the chip do the pseudo-
6071          * header checksums on receive.  For transmit it is more
6072          * convenient to do the pseudo-header checksum in software
6073          * as Linux does that on transmit for us in all cases.
6074          */
6075         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6076
6077         tw32(GRC_MODE,
6078              tp->grc_mode |
6079              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6080
6081         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6082         val = tr32(GRC_MISC_CFG);
6083         val &= ~0xff;
6084         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6085         tw32(GRC_MISC_CFG, val);
6086
6087         /* Initialize MBUF/DESC pool. */
6088         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6089                 /* Do nothing.  */
6090         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6091                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6092                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6093                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6094                 else
6095                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6096                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6097                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6098         }
6099 #if TG3_TSO_SUPPORT != 0
6100         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6101                 int fw_len;
6102
6103                 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6104                           TG3_TSO5_FW_RODATA_LEN +
6105                           TG3_TSO5_FW_DATA_LEN +
6106                           TG3_TSO5_FW_SBSS_LEN +
6107                           TG3_TSO5_FW_BSS_LEN);
6108                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6109                 tw32(BUFMGR_MB_POOL_ADDR,
6110                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6111                 tw32(BUFMGR_MB_POOL_SIZE,
6112                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6113         }
6114 #endif
6115
6116         if (tp->dev->mtu <= ETH_DATA_LEN) {
6117                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6118                      tp->bufmgr_config.mbuf_read_dma_low_water);
6119                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6120                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6121                 tw32(BUFMGR_MB_HIGH_WATER,
6122                      tp->bufmgr_config.mbuf_high_water);
6123         } else {
6124                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6125                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6126                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6127                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6128                 tw32(BUFMGR_MB_HIGH_WATER,
6129                      tp->bufmgr_config.mbuf_high_water_jumbo);
6130         }
6131         tw32(BUFMGR_DMA_LOW_WATER,
6132              tp->bufmgr_config.dma_low_water);
6133         tw32(BUFMGR_DMA_HIGH_WATER,
6134              tp->bufmgr_config.dma_high_water);
6135
6136         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6137         for (i = 0; i < 2000; i++) {
6138                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6139                         break;
6140                 udelay(10);
6141         }
6142         if (i >= 2000) {
6143                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6144                        tp->dev->name);
6145                 return -ENODEV;
6146         }
6147
6148         /* Setup replenish threshold. */
6149         val = tp->rx_pending / 8;
6150         if (val == 0)
6151                 val = 1;
6152         else if (val > tp->rx_std_max_post)
6153                 val = tp->rx_std_max_post;
6154         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6155                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6156                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6157
6158                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6159                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6160         }
6161
6162         tw32(RCVBDI_STD_THRESH, val);
6163
6164         /* Initialize TG3_BDINFO's at:
6165          *  RCVDBDI_STD_BD:     standard eth size rx ring
6166          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6167          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6168          *
6169          * like so:
6170          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6171          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6172          *                              ring attribute flags
6173          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6174          *
6175          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6176          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6177          *
6178          * The size of each ring is fixed in the firmware, but the location is
6179          * configurable.
6180          */
6181         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6182              ((u64) tp->rx_std_mapping >> 32));
6183         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6184              ((u64) tp->rx_std_mapping & 0xffffffff));
6185         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6186              NIC_SRAM_RX_BUFFER_DESC);
6187
6188         /* Don't even try to program the JUMBO/MINI buffer descriptor
6189          * configs on 5705.
6190          */
6191         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6192                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6193                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6194         } else {
6195                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6196                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6197
6198                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6199                      BDINFO_FLAGS_DISABLED);
6200
6201                 /* Setup replenish threshold. */
6202                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6203
6204                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6205                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6206                              ((u64) tp->rx_jumbo_mapping >> 32));
6207                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6208                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6209                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6210                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6211                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6212                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6213                 } else {
6214                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6215                              BDINFO_FLAGS_DISABLED);
6216                 }
6217
6218         }
6219
6220         /* There is only one send ring on 5705/5750, no need to explicitly
6221          * disable the others.
6222          */
6223         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6224                 /* Clear out send RCB ring in SRAM. */
6225                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6226                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6227                                       BDINFO_FLAGS_DISABLED);
6228         }
6229
6230         tp->tx_prod = 0;
6231         tp->tx_cons = 0;
6232         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6233         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6234
6235         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6236                        tp->tx_desc_mapping,
6237                        (TG3_TX_RING_SIZE <<
6238                         BDINFO_FLAGS_MAXLEN_SHIFT),
6239                        NIC_SRAM_TX_BUFFER_DESC);
6240
6241         /* There is only one receive return ring on 5705/5750, no need
6242          * to explicitly disable the others.
6243          */
6244         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6245                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6246                      i += TG3_BDINFO_SIZE) {
6247                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6248                                       BDINFO_FLAGS_DISABLED);
6249                 }
6250         }
6251
6252         tp->rx_rcb_ptr = 0;
6253         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6254
6255         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6256                        tp->rx_rcb_mapping,
6257                        (TG3_RX_RCB_RING_SIZE(tp) <<
6258                         BDINFO_FLAGS_MAXLEN_SHIFT),
6259                        0);
6260
6261         tp->rx_std_ptr = tp->rx_pending;
6262         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6263                      tp->rx_std_ptr);
6264
6265         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6266                                                 tp->rx_jumbo_pending : 0;
6267         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6268                      tp->rx_jumbo_ptr);
6269
6270         /* Initialize MAC address and backoff seed. */
6271         __tg3_set_mac_addr(tp);
6272
6273         /* MTU + ethernet header + FCS + optional VLAN tag */
6274         tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6275
6276         /* The slot time is changed by tg3_setup_phy if we
6277          * run at gigabit with half duplex.
6278          */
6279         tw32(MAC_TX_LENGTHS,
6280              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6281              (6 << TX_LENGTHS_IPG_SHIFT) |
6282              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6283
6284         /* Receive rules. */
6285         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6286         tw32(RCVLPC_CONFIG, 0x0181);
6287
6288         /* Calculate RDMAC_MODE setting early, we need it to determine
6289          * the RCVLPC_STATE_ENABLE mask.
6290          */
6291         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6292                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6293                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6294                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6295                       RDMAC_MODE_LNGREAD_ENAB);
6296         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6297                 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
6298
6299         /* If statement applies to 5705 and 5750 PCI devices only */
6300         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6301              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6302             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6303                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6304                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6305                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6306                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6307                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6308                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6309                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6310                 }
6311         }
6312
6313         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6314                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6315
6316 #if TG3_TSO_SUPPORT != 0
6317         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6318                 rdmac_mode |= (1 << 27);
6319 #endif
6320
6321         /* Receive/send statistics. */
6322         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6323                 val = tr32(RCVLPC_STATS_ENABLE);
6324                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6325                 tw32(RCVLPC_STATS_ENABLE, val);
6326         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6327                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6328                 val = tr32(RCVLPC_STATS_ENABLE);
6329                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6330                 tw32(RCVLPC_STATS_ENABLE, val);
6331         } else {
6332                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6333         }
6334         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6335         tw32(SNDDATAI_STATSENAB, 0xffffff);
6336         tw32(SNDDATAI_STATSCTRL,
6337              (SNDDATAI_SCTRL_ENABLE |
6338               SNDDATAI_SCTRL_FASTUPD));
6339
6340         /* Setup host coalescing engine. */
6341         tw32(HOSTCC_MODE, 0);
6342         for (i = 0; i < 2000; i++) {
6343                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6344                         break;
6345                 udelay(10);
6346         }
6347
6348         __tg3_set_coalesce(tp, &tp->coal);
6349
6350         /* set status block DMA address */
6351         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6352              ((u64) tp->status_mapping >> 32));
6353         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6354              ((u64) tp->status_mapping & 0xffffffff));
6355
6356         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6357                 /* Status/statistics block address.  See tg3_timer,
6358                  * the tg3_periodic_fetch_stats call there, and
6359                  * tg3_get_stats to see how this works for 5705/5750 chips.
6360                  */
6361                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6362                      ((u64) tp->stats_mapping >> 32));
6363                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6364                      ((u64) tp->stats_mapping & 0xffffffff));
6365                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6366                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6367         }
6368
6369         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6370
6371         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6372         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6373         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6374                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6375
6376         /* Clear statistics/status block in chip, and status block in ram. */
6377         for (i = NIC_SRAM_STATS_BLK;
6378              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6379              i += sizeof(u32)) {
6380                 tg3_write_mem(tp, i, 0);
6381                 udelay(40);
6382         }
6383         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6384
6385         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6386                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6387                 /* reset to prevent losing 1st rx packet intermittently */
6388                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6389                 udelay(10);
6390         }
6391
6392         tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6393                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6394         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6395         udelay(40);
6396
6397         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6398          * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
6399          * register to preserve the GPIO settings for LOMs. The GPIOs,
6400          * whether used as inputs or outputs, are set by boot code after
6401          * reset.
6402          */
6403         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
6404                 u32 gpio_mask;
6405
6406                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
6407                             GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
6408
6409                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6410                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6411                                      GRC_LCLCTRL_GPIO_OUTPUT3;
6412
6413                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6414                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6415
6416                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6417
6418                 /* GPIO1 must be driven high for eeprom write protect */
6419                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6420                                        GRC_LCLCTRL_GPIO_OUTPUT1);
6421         }
6422         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6423         udelay(100);
6424
6425         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6426         tp->last_tag = 0;
6427
6428         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6429                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6430                 udelay(40);
6431         }
6432
6433         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6434                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6435                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6436                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6437                WDMAC_MODE_LNGREAD_ENAB);
6438
6439         /* If statement applies to 5705 and 5750 PCI devices only */
6440         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6441              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6442             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6443                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6444                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6445                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6446                         /* nothing */
6447                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6448                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6449                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6450                         val |= WDMAC_MODE_RX_ACCEL;
6451                 }
6452         }
6453
6454         /* Enable host coalescing bug fix */
6455         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6456             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
6457                 val |= (1 << 29);
6458
6459         tw32_f(WDMAC_MODE, val);
6460         udelay(40);
6461
6462         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6463                 val = tr32(TG3PCI_X_CAPS);
6464                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6465                         val &= ~PCIX_CAPS_BURST_MASK;
6466                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6467                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6468                         val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6469                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6470                         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6471                                 val |= (tp->split_mode_max_reqs <<
6472                                         PCIX_CAPS_SPLIT_SHIFT);
6473                 }
6474                 tw32(TG3PCI_X_CAPS, val);
6475         }
6476
6477         tw32_f(RDMAC_MODE, rdmac_mode);
6478         udelay(40);
6479
6480         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6481         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6482                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6483         tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6484         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6485         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6486         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6487         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6488 #if TG3_TSO_SUPPORT != 0
6489         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6490                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6491 #endif
6492         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6493         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6494
6495         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6496                 err = tg3_load_5701_a0_firmware_fix(tp);
6497                 if (err)
6498                         return err;
6499         }
6500
6501 #if TG3_TSO_SUPPORT != 0
6502         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6503                 err = tg3_load_tso_firmware(tp);
6504                 if (err)
6505                         return err;
6506         }
6507 #endif
6508
6509         tp->tx_mode = TX_MODE_ENABLE;
6510         tw32_f(MAC_TX_MODE, tp->tx_mode);
6511         udelay(100);
6512
6513         tp->rx_mode = RX_MODE_ENABLE;
6514         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6515                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6516
6517         tw32_f(MAC_RX_MODE, tp->rx_mode);
6518         udelay(10);
6519
6520         if (tp->link_config.phy_is_low_power) {
6521                 tp->link_config.phy_is_low_power = 0;
6522                 tp->link_config.speed = tp->link_config.orig_speed;
6523                 tp->link_config.duplex = tp->link_config.orig_duplex;
6524                 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6525         }
6526
6527         tp->mi_mode = MAC_MI_MODE_BASE;
6528         tw32_f(MAC_MI_MODE, tp->mi_mode);
6529         udelay(80);
6530
6531         tw32(MAC_LED_CTRL, tp->led_ctrl);
6532
6533         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6534         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6535                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6536                 udelay(10);
6537         }
6538         tw32_f(MAC_RX_MODE, tp->rx_mode);
6539         udelay(10);
6540
6541         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6542                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6543                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6544                         /* Set drive transmission level to 1.2V  */
6545                         /* only if the signal pre-emphasis bit is not set  */
6546                         val = tr32(MAC_SERDES_CFG);
6547                         val &= 0xfffff000;
6548                         val |= 0x880;
6549                         tw32(MAC_SERDES_CFG, val);
6550                 }
6551                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6552                         tw32(MAC_SERDES_CFG, 0x616000);
6553         }
6554
6555         /* Prevent chip from dropping frames when flow control
6556          * is enabled.
6557          */
6558         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6559
6560         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6561             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6562                 /* Use hardware link auto-negotiation */
6563                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6564         }
6565
6566         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6567             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6568                 u32 tmp;
6569
6570                 tmp = tr32(SERDES_RX_CTRL);
6571                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6572                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6573                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6574                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6575         }
6576
6577         err = tg3_setup_phy(tp, reset_phy);
6578         if (err)
6579                 return err;
6580
6581         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6582             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6583                 u32 tmp;
6584
6585                 /* Clear CRC stats. */
6586                 if (!tg3_readphy(tp, 0x1e, &tmp)) {
6587                         tg3_writephy(tp, 0x1e, tmp | 0x8000);
6588                         tg3_readphy(tp, 0x14, &tmp);
6589                 }
6590         }
6591
6592         __tg3_set_rx_mode(tp->dev);
6593
6594         /* Initialize receive rules. */
6595         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
6596         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6597         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
6598         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6599
6600         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6601             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6602                 limit = 8;
6603         else
6604                 limit = 16;
6605         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6606                 limit -= 4;
6607         switch (limit) {
6608         case 16:
6609                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
6610         case 15:
6611                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
6612         case 14:
6613                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
6614         case 13:
6615                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
6616         case 12:
6617                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
6618         case 11:
6619                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
6620         case 10:
6621                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
6622         case 9:
6623                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
6624         case 8:
6625                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
6626         case 7:
6627                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
6628         case 6:
6629                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
6630         case 5:
6631                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
6632         case 4:
6633                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
6634         case 3:
6635                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
6636         case 2:
6637         case 1:
6638
6639         default:
6640                 break;
6641         };
6642
6643         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6644
6645         return 0;
6646 }
6647
6648 /* Called at device open time to get the chip ready for
6649  * packet processing.  Invoked with tp->lock held.
6650  */
6651 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
6652 {
6653         int err;
6654
6655         /* Force the chip into D0. */
6656         err = tg3_set_power_state(tp, PCI_D0);
6657         if (err)
6658                 goto out;
6659
6660         tg3_switch_clocks(tp);
6661
6662         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6663
6664         err = tg3_reset_hw(tp, reset_phy);
6665
6666 out:
6667         return err;
6668 }
6669
6670 #define TG3_STAT_ADD32(PSTAT, REG) \
6671 do {    u32 __val = tr32(REG); \
6672         (PSTAT)->low += __val; \
6673         if ((PSTAT)->low < __val) \
6674                 (PSTAT)->high += 1; \
6675 } while (0)
6676
6677 static void tg3_periodic_fetch_stats(struct tg3 *tp)
6678 {
6679         struct tg3_hw_stats *sp = tp->hw_stats;
6680
6681         if (!netif_carrier_ok(tp->dev))
6682                 return;
6683
6684         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6685         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6686         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6687         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6688         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6689         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6690         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6691         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6692         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6693         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6694         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6695         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6696         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6697
6698         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6699         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6700         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6701         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6702         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6703         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6704         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6705         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6706         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6707         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6708         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6709         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6710         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6711         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6712
6713         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6714         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6715         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
6716 }
6717
6718 static void tg3_timer(unsigned long __opaque)
6719 {
6720         struct tg3 *tp = (struct tg3 *) __opaque;
6721
6722         if (tp->irq_sync)
6723                 goto restart_timer;
6724
6725         spin_lock(&tp->lock);
6726
6727         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6728                 /* All of this garbage is because when using non-tagged
6729                  * IRQ status the mailbox/status_block protocol the chip
6730                  * uses with the cpu is race prone.
6731                  */
6732                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6733                         tw32(GRC_LOCAL_CTRL,
6734                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6735                 } else {
6736                         tw32(HOSTCC_MODE, tp->coalesce_mode |
6737                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6738                 }
6739
6740                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6741                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
6742                         spin_unlock(&tp->lock);
6743                         schedule_work(&tp->reset_task);
6744                         return;
6745                 }
6746         }
6747
6748         /* This part only runs once per second. */
6749         if (!--tp->timer_counter) {
6750                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6751                         tg3_periodic_fetch_stats(tp);
6752
6753                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6754                         u32 mac_stat;
6755                         int phy_event;
6756
6757                         mac_stat = tr32(MAC_STATUS);
6758
6759                         phy_event = 0;
6760                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6761                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6762                                         phy_event = 1;
6763                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6764                                 phy_event = 1;
6765
6766                         if (phy_event)
6767                                 tg3_setup_phy(tp, 0);
6768                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6769                         u32 mac_stat = tr32(MAC_STATUS);
6770                         int need_setup = 0;
6771
6772                         if (netif_carrier_ok(tp->dev) &&
6773                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6774                                 need_setup = 1;
6775                         }
6776                         if (! netif_carrier_ok(tp->dev) &&
6777                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
6778                                          MAC_STATUS_SIGNAL_DET))) {
6779                                 need_setup = 1;
6780                         }
6781                         if (need_setup) {
6782                                 if (!tp->serdes_counter) {
6783                                         tw32_f(MAC_MODE,
6784                                              (tp->mac_mode &
6785                                               ~MAC_MODE_PORT_MODE_MASK));
6786                                         udelay(40);
6787                                         tw32_f(MAC_MODE, tp->mac_mode);
6788                                         udelay(40);
6789                                 }
6790                                 tg3_setup_phy(tp, 0);
6791                         }
6792                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6793                         tg3_serdes_parallel_detect(tp);
6794
6795                 tp->timer_counter = tp->timer_multiplier;
6796         }
6797
6798         /* Heartbeat is only sent once every 2 seconds.
6799          *
6800          * The heartbeat is to tell the ASF firmware that the host
6801          * driver is still alive.  In the event that the OS crashes,
6802          * ASF needs to reset the hardware to free up the FIFO space
6803          * that may be filled with rx packets destined for the host.
6804          * If the FIFO is full, ASF will no longer function properly.
6805          *
6806          * Unintended resets have been reported on real time kernels
6807          * where the timer doesn't run on time.  Netpoll will also have
6808          * same problem.
6809          *
6810          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6811          * to check the ring condition when the heartbeat is expiring
6812          * before doing the reset.  This will prevent most unintended
6813          * resets.
6814          */
6815         if (!--tp->asf_counter) {
6816                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6817                         u32 val;
6818
6819                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
6820                                       FWCMD_NICDRV_ALIVE3);
6821                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6822                         /* 5 seconds timeout */
6823                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
6824                         val = tr32(GRC_RX_CPU_EVENT);
6825                         val |= (1 << 14);
6826                         tw32(GRC_RX_CPU_EVENT, val);
6827                 }
6828                 tp->asf_counter = tp->asf_multiplier;
6829         }
6830
6831         spin_unlock(&tp->lock);
6832
6833 restart_timer:
6834         tp->timer.expires = jiffies + tp->timer_offset;
6835         add_timer(&tp->timer);
6836 }
6837
6838 static int tg3_request_irq(struct tg3 *tp)
6839 {
6840         irq_handler_t fn;
6841         unsigned long flags;
6842         struct net_device *dev = tp->dev;
6843
6844         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6845                 fn = tg3_msi;
6846                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6847                         fn = tg3_msi_1shot;
6848                 flags = IRQF_SAMPLE_RANDOM;
6849         } else {
6850                 fn = tg3_interrupt;
6851                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6852                         fn = tg3_interrupt_tagged;
6853                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
6854         }
6855         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6856 }
6857
6858 static int tg3_test_interrupt(struct tg3 *tp)
6859 {
6860         struct net_device *dev = tp->dev;
6861         int err, i, intr_ok = 0;
6862
6863         if (!netif_running(dev))
6864                 return -ENODEV;
6865
6866         tg3_disable_ints(tp);
6867
6868         free_irq(tp->pdev->irq, dev);
6869
6870         err = request_irq(tp->pdev->irq, tg3_test_isr,
6871                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
6872         if (err)
6873                 return err;
6874
6875         tp->hw_status->status &= ~SD_STATUS_UPDATED;
6876         tg3_enable_ints(tp);
6877
6878         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6879                HOSTCC_MODE_NOW);
6880
6881         for (i = 0; i < 5; i++) {
6882                 u32 int_mbox, misc_host_ctrl;
6883
6884                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6885                                         TG3_64BIT_REG_LOW);
6886                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6887
6888                 if ((int_mbox != 0) ||
6889                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6890                         intr_ok = 1;
6891                         break;
6892                 }
6893
6894                 msleep(10);
6895         }
6896
6897         tg3_disable_ints(tp);
6898
6899         free_irq(tp->pdev->irq, dev);
6900
6901         err = tg3_request_irq(tp);
6902
6903         if (err)
6904                 return err;
6905
6906         if (intr_ok)
6907                 return 0;
6908
6909         return -EIO;
6910 }
6911
6912 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6913  * successfully restored
6914  */
6915 static int tg3_test_msi(struct tg3 *tp)
6916 {
6917         struct net_device *dev = tp->dev;
6918         int err;
6919         u16 pci_cmd;
6920
6921         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6922                 return 0;
6923
6924         /* Turn off SERR reporting in case MSI terminates with Master
6925          * Abort.
6926          */
6927         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6928         pci_write_config_word(tp->pdev, PCI_COMMAND,
6929                               pci_cmd & ~PCI_COMMAND_SERR);
6930
6931         err = tg3_test_interrupt(tp);
6932
6933         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6934
6935         if (!err)
6936                 return 0;
6937
6938         /* other failures */
6939         if (err != -EIO)
6940                 return err;
6941
6942         /* MSI test failed, go back to INTx mode */
6943         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6944                "switching to INTx mode. Please report this failure to "
6945                "the PCI maintainer and include system chipset information.\n",
6946                        tp->dev->name);
6947
6948         free_irq(tp->pdev->irq, dev);
6949         pci_disable_msi(tp->pdev);
6950
6951         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6952
6953         err = tg3_request_irq(tp);
6954         if (err)
6955                 return err;
6956
6957         /* Need to reset the chip because the MSI cycle may have terminated
6958          * with Master Abort.
6959          */
6960         tg3_full_lock(tp, 1);
6961
6962         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6963         err = tg3_init_hw(tp, 1);
6964
6965         tg3_full_unlock(tp);
6966
6967         if (err)
6968                 free_irq(tp->pdev->irq, dev);
6969
6970         return err;
6971 }
6972
6973 static int tg3_open(struct net_device *dev)
6974 {
6975         struct tg3 *tp = netdev_priv(dev);
6976         int err;
6977
6978         tg3_full_lock(tp, 0);
6979
6980         err = tg3_set_power_state(tp, PCI_D0);
6981         if (err)
6982                 return err;
6983
6984         tg3_disable_ints(tp);
6985         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6986
6987         tg3_full_unlock(tp);
6988
6989         /* The placement of this call is tied
6990          * to the setup and use of Host TX descriptors.
6991          */
6992         err = tg3_alloc_consistent(tp);
6993         if (err)
6994                 return err;
6995
6996         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
6997             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
6998             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
6999             !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7000               (tp->pdev_peer == tp->pdev))) {
7001                 /* All MSI supporting chips should support tagged
7002                  * status.  Assert that this is the case.
7003                  */
7004                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7005                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7006                                "Not using MSI.\n", tp->dev->name);
7007                 } else if (pci_enable_msi(tp->pdev) == 0) {
7008                         u32 msi_mode;
7009
7010                         msi_mode = tr32(MSGINT_MODE);
7011                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7012                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7013                 }
7014         }
7015         err = tg3_request_irq(tp);
7016
7017         if (err) {
7018                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7019                         pci_disable_msi(tp->pdev);
7020                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7021                 }
7022                 tg3_free_consistent(tp);
7023                 return err;
7024         }
7025
7026         tg3_full_lock(tp, 0);
7027
7028         err = tg3_init_hw(tp, 1);
7029         if (err) {
7030                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7031                 tg3_free_rings(tp);
7032         } else {
7033                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7034                         tp->timer_offset = HZ;
7035                 else
7036                         tp->timer_offset = HZ / 10;
7037
7038                 BUG_ON(tp->timer_offset > HZ);
7039                 tp->timer_counter = tp->timer_multiplier =
7040                         (HZ / tp->timer_offset);
7041                 tp->asf_counter = tp->asf_multiplier =
7042                         ((HZ / tp->timer_offset) * 2);
7043
7044                 init_timer(&tp->timer);
7045                 tp->timer.expires = jiffies + tp->timer_offset;
7046                 tp->timer.data = (unsigned long) tp;
7047                 tp->timer.function = tg3_timer;
7048         }
7049
7050         tg3_full_unlock(tp);
7051
7052         if (err) {
7053                 free_irq(tp->pdev->irq, dev);
7054                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7055                         pci_disable_msi(tp->pdev);
7056                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7057                 }
7058                 tg3_free_consistent(tp);
7059                 return err;
7060         }
7061
7062         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7063                 err = tg3_test_msi(tp);
7064
7065                 if (err) {
7066                         tg3_full_lock(tp, 0);
7067
7068                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7069                                 pci_disable_msi(tp->pdev);
7070                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7071                         }
7072                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7073                         tg3_free_rings(tp);
7074                         tg3_free_consistent(tp);
7075
7076                         tg3_full_unlock(tp);
7077
7078                         return err;
7079                 }
7080
7081                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7082                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7083                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7084
7085                                 tw32(PCIE_TRANSACTION_CFG,
7086                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7087                         }
7088                 }
7089         }
7090
7091         tg3_full_lock(tp, 0);
7092
7093         add_timer(&tp->timer);
7094         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7095         tg3_enable_ints(tp);
7096
7097         tg3_full_unlock(tp);
7098
7099         netif_start_queue(dev);
7100
7101         return 0;
7102 }
7103
7104 #if 0
7105 /*static*/ void tg3_dump_state(struct tg3 *tp)
7106 {
7107         u32 val32, val32_2, val32_3, val32_4, val32_5;
7108         u16 val16;
7109         int i;
7110
7111         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7112         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7113         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7114                val16, val32);
7115
7116         /* MAC block */
7117         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7118                tr32(MAC_MODE), tr32(MAC_STATUS));
7119         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7120                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7121         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7122                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7123         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7124                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7125
7126         /* Send data initiator control block */
7127         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7128                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7129         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7130                tr32(SNDDATAI_STATSCTRL));
7131
7132         /* Send data completion control block */
7133         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7134
7135         /* Send BD ring selector block */
7136         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7137                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7138
7139         /* Send BD initiator control block */
7140         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7141                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7142
7143         /* Send BD completion control block */
7144         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7145
7146         /* Receive list placement control block */
7147         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7148                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7149         printk("       RCVLPC_STATSCTRL[%08x]\n",
7150                tr32(RCVLPC_STATSCTRL));
7151
7152         /* Receive data and receive BD initiator control block */
7153         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7154                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7155
7156         /* Receive data completion control block */
7157         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7158                tr32(RCVDCC_MODE));
7159
7160         /* Receive BD initiator control block */
7161         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7162                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7163
7164         /* Receive BD completion control block */
7165         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7166                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7167
7168         /* Receive list selector control block */
7169         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7170                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7171
7172         /* Mbuf cluster free block */
7173         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7174                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7175
7176         /* Host coalescing control block */
7177         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7178                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7179         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7180                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7181                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7182         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7183                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7184                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7185         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7186                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7187         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7188                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7189
7190         /* Memory arbiter control block */
7191         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7192                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7193
7194         /* Buffer manager control block */
7195         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7196                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7197         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7198                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7199         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7200                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7201                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7202                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7203
7204         /* Read DMA control block */
7205         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7206                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7207
7208         /* Write DMA control block */
7209         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7210                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7211
7212         /* DMA completion block */
7213         printk("DEBUG: DMAC_MODE[%08x]\n",
7214                tr32(DMAC_MODE));
7215
7216         /* GRC block */
7217         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7218                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7219         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7220                tr32(GRC_LOCAL_CTRL));
7221
7222         /* TG3_BDINFOs */
7223         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7224                tr32(RCVDBDI_JUMBO_BD + 0x0),
7225                tr32(RCVDBDI_JUMBO_BD + 0x4),
7226                tr32(RCVDBDI_JUMBO_BD + 0x8),
7227                tr32(RCVDBDI_JUMBO_BD + 0xc));
7228         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7229                tr32(RCVDBDI_STD_BD + 0x0),
7230                tr32(RCVDBDI_STD_BD + 0x4),
7231                tr32(RCVDBDI_STD_BD + 0x8),
7232                tr32(RCVDBDI_STD_BD + 0xc));
7233         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7234                tr32(RCVDBDI_MINI_BD + 0x0),
7235                tr32(RCVDBDI_MINI_BD + 0x4),
7236                tr32(RCVDBDI_MINI_BD + 0x8),
7237                tr32(RCVDBDI_MINI_BD + 0xc));
7238
7239         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7240         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7241         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7242         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7243         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7244                val32, val32_2, val32_3, val32_4);
7245
7246         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7247         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7248         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7249         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7250         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7251                val32, val32_2, val32_3, val32_4);
7252
7253         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7254         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7255         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7256         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7257         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7258         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7259                val32, val32_2, val32_3, val32_4, val32_5);
7260
7261         /* SW status block */
7262         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7263                tp->hw_status->status,
7264                tp->hw_status->status_tag,
7265                tp->hw_status->rx_jumbo_consumer,
7266                tp->hw_status->rx_consumer,
7267                tp->hw_status->rx_mini_consumer,
7268                tp->hw_status->idx[0].rx_producer,
7269                tp->hw_status->idx[0].tx_consumer);
7270
7271         /* SW statistics block */
7272         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7273                ((u32 *)tp->hw_stats)[0],
7274                ((u32 *)tp->hw_stats)[1],
7275                ((u32 *)tp->hw_stats)[2],
7276                ((u32 *)tp->hw_stats)[3]);
7277
7278         /* Mailboxes */
7279         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7280                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7281                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7282                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7283                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7284
7285         /* NIC side send descriptors. */
7286         for (i = 0; i < 6; i++) {
7287                 unsigned long txd;
7288
7289                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7290                         + (i * sizeof(struct tg3_tx_buffer_desc));
7291                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7292                        i,
7293                        readl(txd + 0x0), readl(txd + 0x4),
7294                        readl(txd + 0x8), readl(txd + 0xc));
7295         }
7296
7297         /* NIC side RX descriptors. */
7298         for (i = 0; i < 6; i++) {
7299                 unsigned long rxd;
7300
7301                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7302                         + (i * sizeof(struct tg3_rx_buffer_desc));
7303                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7304                        i,
7305                        readl(rxd + 0x0), readl(rxd + 0x4),
7306                        readl(rxd + 0x8), readl(rxd + 0xc));
7307                 rxd += (4 * sizeof(u32));
7308                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7309                        i,
7310                        readl(rxd + 0x0), readl(rxd + 0x4),
7311                        readl(rxd + 0x8), readl(rxd + 0xc));
7312         }
7313
7314         for (i = 0; i < 6; i++) {
7315                 unsigned long rxd;
7316
7317                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7318                         + (i * sizeof(struct tg3_rx_buffer_desc));
7319                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7320                        i,
7321                        readl(rxd + 0x0), readl(rxd + 0x4),
7322                        readl(rxd + 0x8), readl(rxd + 0xc));
7323                 rxd += (4 * sizeof(u32));
7324                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7325                        i,
7326                        readl(rxd + 0x0), readl(rxd + 0x4),
7327                        readl(rxd + 0x8), readl(rxd + 0xc));
7328         }
7329 }
7330 #endif
7331
7332 static struct net_device_stats *tg3_get_stats(struct net_device *);
7333 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7334
7335 static int tg3_close(struct net_device *dev)
7336 {
7337         struct tg3 *tp = netdev_priv(dev);
7338
7339         /* Calling flush_scheduled_work() may deadlock because
7340          * linkwatch_event() may be on the workqueue and it will try to get
7341          * the rtnl_lock which we are holding.
7342          */
7343         while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7344                 msleep(1);
7345
7346         netif_stop_queue(dev);
7347
7348         del_timer_sync(&tp->timer);
7349
7350         tg3_full_lock(tp, 1);
7351 #if 0
7352         tg3_dump_state(tp);
7353 #endif
7354
7355         tg3_disable_ints(tp);
7356
7357         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7358         tg3_free_rings(tp);
7359         tp->tg3_flags &=
7360                 ~(TG3_FLAG_INIT_COMPLETE |
7361                   TG3_FLAG_GOT_SERDES_FLOWCTL);
7362
7363         tg3_full_unlock(tp);
7364
7365         free_irq(tp->pdev->irq, dev);
7366         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7367                 pci_disable_msi(tp->pdev);
7368                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7369         }
7370
7371         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7372                sizeof(tp->net_stats_prev));
7373         memcpy(&tp->estats_prev, tg3_get_estats(tp),
7374                sizeof(tp->estats_prev));
7375
7376         tg3_free_consistent(tp);
7377
7378         tg3_set_power_state(tp, PCI_D3hot);
7379
7380         netif_carrier_off(tp->dev);
7381
7382         return 0;
7383 }
7384
7385 static inline unsigned long get_stat64(tg3_stat64_t *val)
7386 {
7387         unsigned long ret;
7388
7389 #if (BITS_PER_LONG == 32)
7390         ret = val->low;
7391 #else
7392         ret = ((u64)val->high << 32) | ((u64)val->low);
7393 #endif
7394         return ret;
7395 }
7396
7397 static unsigned long calc_crc_errors(struct tg3 *tp)
7398 {
7399         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7400
7401         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7402             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7403              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7404                 u32 val;
7405
7406                 spin_lock_bh(&tp->lock);
7407                 if (!tg3_readphy(tp, 0x1e, &val)) {
7408                         tg3_writephy(tp, 0x1e, val | 0x8000);
7409                         tg3_readphy(tp, 0x14, &val);
7410                 } else
7411                         val = 0;
7412                 spin_unlock_bh(&tp->lock);
7413
7414                 tp->phy_crc_errors += val;
7415
7416                 return tp->phy_crc_errors;
7417         }
7418
7419         return get_stat64(&hw_stats->rx_fcs_errors);
7420 }
7421
7422 #define ESTAT_ADD(member) \
7423         estats->member =        old_estats->member + \
7424                                 get_stat64(&hw_stats->member)
7425
7426 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7427 {
7428         struct tg3_ethtool_stats *estats = &tp->estats;
7429         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7430         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7431
7432         if (!hw_stats)
7433                 return old_estats;
7434
7435         ESTAT_ADD(rx_octets);
7436         ESTAT_ADD(rx_fragments);
7437         ESTAT_ADD(rx_ucast_packets);
7438         ESTAT_ADD(rx_mcast_packets);
7439         ESTAT_ADD(rx_bcast_packets);
7440         ESTAT_ADD(rx_fcs_errors);
7441         ESTAT_ADD(rx_align_errors);
7442         ESTAT_ADD(rx_xon_pause_rcvd);
7443         ESTAT_ADD(rx_xoff_pause_rcvd);
7444         ESTAT_ADD(rx_mac_ctrl_rcvd);
7445         ESTAT_ADD(rx_xoff_entered);
7446         ESTAT_ADD(rx_frame_too_long_errors);
7447         ESTAT_ADD(rx_jabbers);
7448         ESTAT_ADD(rx_undersize_packets);
7449         ESTAT_ADD(rx_in_length_errors);
7450         ESTAT_ADD(rx_out_length_errors);
7451         ESTAT_ADD(rx_64_or_less_octet_packets);
7452         ESTAT_ADD(rx_65_to_127_octet_packets);
7453         ESTAT_ADD(rx_128_to_255_octet_packets);
7454         ESTAT_ADD(rx_256_to_511_octet_packets);
7455         ESTAT_ADD(rx_512_to_1023_octet_packets);
7456         ESTAT_ADD(rx_1024_to_1522_octet_packets);
7457         ESTAT_ADD(rx_1523_to_2047_octet_packets);
7458         ESTAT_ADD(rx_2048_to_4095_octet_packets);
7459         ESTAT_ADD(rx_4096_to_8191_octet_packets);
7460         ESTAT_ADD(rx_8192_to_9022_octet_packets);
7461
7462         ESTAT_ADD(tx_octets);
7463         ESTAT_ADD(tx_collisions);
7464         ESTAT_ADD(tx_xon_sent);
7465         ESTAT_ADD(tx_xoff_sent);
7466         ESTAT_ADD(tx_flow_control);
7467         ESTAT_ADD(tx_mac_errors);
7468         ESTAT_ADD(tx_single_collisions);
7469         ESTAT_ADD(tx_mult_collisions);
7470         ESTAT_ADD(tx_deferred);
7471         ESTAT_ADD(tx_excessive_collisions);
7472         ESTAT_ADD(tx_late_collisions);
7473         ESTAT_ADD(tx_collide_2times);
7474         ESTAT_ADD(tx_collide_3times);
7475         ESTAT_ADD(tx_collide_4times);
7476         ESTAT_ADD(tx_collide_5times);
7477         ESTAT_ADD(tx_collide_6times);
7478         ESTAT_ADD(tx_collide_7times);
7479         ESTAT_ADD(tx_collide_8times);
7480         ESTAT_ADD(tx_collide_9times);
7481         ESTAT_ADD(tx_collide_10times);
7482         ESTAT_ADD(tx_collide_11times);
7483         ESTAT_ADD(tx_collide_12times);
7484         ESTAT_ADD(tx_collide_13times);
7485         ESTAT_ADD(tx_collide_14times);
7486         ESTAT_ADD(tx_collide_15times);
7487         ESTAT_ADD(tx_ucast_packets);
7488         ESTAT_ADD(tx_mcast_packets);
7489         ESTAT_ADD(tx_bcast_packets);
7490         ESTAT_ADD(tx_carrier_sense_errors);
7491         ESTAT_ADD(tx_discards);
7492         ESTAT_ADD(tx_errors);
7493
7494         ESTAT_ADD(dma_writeq_full);
7495         ESTAT_ADD(dma_write_prioq_full);
7496         ESTAT_ADD(rxbds_empty);
7497         ESTAT_ADD(rx_discards);
7498         ESTAT_ADD(rx_errors);
7499         ESTAT_ADD(rx_threshold_hit);
7500
7501         ESTAT_ADD(dma_readq_full);
7502         ESTAT_ADD(dma_read_prioq_full);
7503         ESTAT_ADD(tx_comp_queue_full);
7504
7505         ESTAT_ADD(ring_set_send_prod_index);
7506         ESTAT_ADD(ring_status_update);
7507         ESTAT_ADD(nic_irqs);
7508         ESTAT_ADD(nic_avoided_irqs);
7509         ESTAT_ADD(nic_tx_threshold_hit);
7510
7511         return estats;
7512 }
7513
7514 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7515 {
7516         struct tg3 *tp = netdev_priv(dev);
7517         struct net_device_stats *stats = &tp->net_stats;
7518         struct net_device_stats *old_stats = &tp->net_stats_prev;
7519         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7520
7521         if (!hw_stats)
7522                 return old_stats;
7523
7524         stats->rx_packets = old_stats->rx_packets +
7525                 get_stat64(&hw_stats->rx_ucast_packets) +
7526                 get_stat64(&hw_stats->rx_mcast_packets) +
7527                 get_stat64(&hw_stats->rx_bcast_packets);
7528
7529         stats->tx_packets = old_stats->tx_packets +
7530                 get_stat64(&hw_stats->tx_ucast_packets) +
7531                 get_stat64(&hw_stats->tx_mcast_packets) +
7532                 get_stat64(&hw_stats->tx_bcast_packets);
7533
7534         stats->rx_bytes = old_stats->rx_bytes +
7535                 get_stat64(&hw_stats->rx_octets);
7536         stats->tx_bytes = old_stats->tx_bytes +
7537                 get_stat64(&hw_stats->tx_octets);
7538
7539         stats->rx_errors = old_stats->rx_errors +
7540                 get_stat64(&hw_stats->rx_errors);
7541         stats->tx_errors = old_stats->tx_errors +
7542                 get_stat64(&hw_stats->tx_errors) +
7543                 get_stat64(&hw_stats->tx_mac_errors) +
7544                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7545                 get_stat64(&hw_stats->tx_discards);
7546
7547         stats->multicast = old_stats->multicast +
7548                 get_stat64(&hw_stats->rx_mcast_packets);
7549         stats->collisions = old_stats->collisions +
7550                 get_stat64(&hw_stats->tx_collisions);
7551
7552         stats->rx_length_errors = old_stats->rx_length_errors +
7553                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7554                 get_stat64(&hw_stats->rx_undersize_packets);
7555
7556         stats->rx_over_errors = old_stats->rx_over_errors +
7557                 get_stat64(&hw_stats->rxbds_empty);
7558         stats->rx_frame_errors = old_stats->rx_frame_errors +
7559                 get_stat64(&hw_stats->rx_align_errors);
7560         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7561                 get_stat64(&hw_stats->tx_discards);
7562         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7563                 get_stat64(&hw_stats->tx_carrier_sense_errors);
7564
7565         stats->rx_crc_errors = old_stats->rx_crc_errors +
7566                 calc_crc_errors(tp);
7567
7568         stats->rx_missed_errors = old_stats->rx_missed_errors +
7569                 get_stat64(&hw_stats->rx_discards);
7570
7571         return stats;
7572 }
7573
7574 static inline u32 calc_crc(unsigned char *buf, int len)
7575 {
7576         u32 reg;
7577         u32 tmp;
7578         int j, k;
7579
7580         reg = 0xffffffff;
7581
7582         for (j = 0; j < len; j++) {
7583                 reg ^= buf[j];
7584
7585                 for (k = 0; k < 8; k++) {
7586                         tmp = reg & 0x01;
7587
7588                         reg >>= 1;
7589
7590                         if (tmp) {
7591                                 reg ^= 0xedb88320;
7592                         }
7593                 }
7594         }
7595
7596         return ~reg;
7597 }
7598
7599 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7600 {
7601         /* accept or reject all multicast frames */
7602         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7603         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7604         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7605         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7606 }
7607
7608 static void __tg3_set_rx_mode(struct net_device *dev)
7609 {
7610         struct tg3 *tp = netdev_priv(dev);
7611         u32 rx_mode;
7612
7613         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7614                                   RX_MODE_KEEP_VLAN_TAG);
7615
7616         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7617          * flag clear.
7618          */
7619 #if TG3_VLAN_TAG_USED
7620         if (!tp->vlgrp &&
7621             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7622                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7623 #else
7624         /* By definition, VLAN is disabled always in this
7625          * case.
7626          */
7627         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7628                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7629 #endif
7630
7631         if (dev->flags & IFF_PROMISC) {
7632                 /* Promiscuous mode. */
7633                 rx_mode |= RX_MODE_PROMISC;
7634         } else if (dev->flags & IFF_ALLMULTI) {
7635                 /* Accept all multicast. */
7636                 tg3_set_multi (tp, 1);
7637         } else if (dev->mc_count < 1) {
7638                 /* Reject all multicast. */
7639                 tg3_set_multi (tp, 0);
7640         } else {
7641                 /* Accept one or more multicast(s). */
7642                 struct dev_mc_list *mclist;
7643                 unsigned int i;
7644                 u32 mc_filter[4] = { 0, };
7645                 u32 regidx;
7646                 u32 bit;
7647                 u32 crc;
7648
7649                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7650                      i++, mclist = mclist->next) {
7651
7652                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7653                         bit = ~crc & 0x7f;
7654                         regidx = (bit & 0x60) >> 5;
7655                         bit &= 0x1f;
7656                         mc_filter[regidx] |= (1 << bit);
7657                 }
7658
7659                 tw32(MAC_HASH_REG_0, mc_filter[0]);
7660                 tw32(MAC_HASH_REG_1, mc_filter[1]);
7661                 tw32(MAC_HASH_REG_2, mc_filter[2]);
7662                 tw32(MAC_HASH_REG_3, mc_filter[3]);
7663         }
7664
7665         if (rx_mode != tp->rx_mode) {
7666                 tp->rx_mode = rx_mode;
7667                 tw32_f(MAC_RX_MODE, rx_mode);
7668                 udelay(10);
7669         }
7670 }
7671
7672 static void tg3_set_rx_mode(struct net_device *dev)
7673 {
7674         struct tg3 *tp = netdev_priv(dev);
7675
7676         if (!netif_running(dev))
7677                 return;
7678
7679         tg3_full_lock(tp, 0);
7680         __tg3_set_rx_mode(dev);
7681         tg3_full_unlock(tp);
7682 }
7683
7684 #define TG3_REGDUMP_LEN         (32 * 1024)
7685
7686 static int tg3_get_regs_len(struct net_device *dev)
7687 {
7688         return TG3_REGDUMP_LEN;
7689 }
7690
7691 static void tg3_get_regs(struct net_device *dev,
7692                 struct ethtool_regs *regs, void *_p)
7693 {
7694         u32 *p = _p;
7695         struct tg3 *tp = netdev_priv(dev);
7696         u8 *orig_p = _p;
7697         int i;
7698
7699         regs->version = 0;
7700
7701         memset(p, 0, TG3_REGDUMP_LEN);
7702
7703         if (tp->link_config.phy_is_low_power)
7704                 return;
7705
7706         tg3_full_lock(tp, 0);
7707
7708 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
7709 #define GET_REG32_LOOP(base,len)                \
7710 do {    p = (u32 *)(orig_p + (base));           \
7711         for (i = 0; i < len; i += 4)            \
7712                 __GET_REG32((base) + i);        \
7713 } while (0)
7714 #define GET_REG32_1(reg)                        \
7715 do {    p = (u32 *)(orig_p + (reg));            \
7716         __GET_REG32((reg));                     \
7717 } while (0)
7718
7719         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7720         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7721         GET_REG32_LOOP(MAC_MODE, 0x4f0);
7722         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7723         GET_REG32_1(SNDDATAC_MODE);
7724         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7725         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7726         GET_REG32_1(SNDBDC_MODE);
7727         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7728         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7729         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7730         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7731         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7732         GET_REG32_1(RCVDCC_MODE);
7733         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7734         GET_REG32_LOOP(RCVCC_MODE, 0x14);
7735         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7736         GET_REG32_1(MBFREE_MODE);
7737         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7738         GET_REG32_LOOP(MEMARB_MODE, 0x10);
7739         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7740         GET_REG32_LOOP(RDMAC_MODE, 0x08);
7741         GET_REG32_LOOP(WDMAC_MODE, 0x08);
7742         GET_REG32_1(RX_CPU_MODE);
7743         GET_REG32_1(RX_CPU_STATE);
7744         GET_REG32_1(RX_CPU_PGMCTR);
7745         GET_REG32_1(RX_CPU_HWBKPT);
7746         GET_REG32_1(TX_CPU_MODE);
7747         GET_REG32_1(TX_CPU_STATE);
7748         GET_REG32_1(TX_CPU_PGMCTR);
7749         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7750         GET_REG32_LOOP(FTQ_RESET, 0x120);
7751         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7752         GET_REG32_1(DMAC_MODE);
7753         GET_REG32_LOOP(GRC_MODE, 0x4c);
7754         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7755                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7756
7757 #undef __GET_REG32
7758 #undef GET_REG32_LOOP
7759 #undef GET_REG32_1
7760
7761         tg3_full_unlock(tp);
7762 }
7763
7764 static int tg3_get_eeprom_len(struct net_device *dev)
7765 {
7766         struct tg3 *tp = netdev_priv(dev);
7767
7768         return tp->nvram_size;
7769 }
7770
7771 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7772 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
7773
7774 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7775 {
7776         struct tg3 *tp = netdev_priv(dev);
7777         int ret;
7778         u8  *pd;
7779         u32 i, offset, len, val, b_offset, b_count;
7780
7781         if (tp->link_config.phy_is_low_power)
7782                 return -EAGAIN;
7783
7784         offset = eeprom->offset;
7785         len = eeprom->len;
7786         eeprom->len = 0;
7787
7788         eeprom->magic = TG3_EEPROM_MAGIC;
7789
7790         if (offset & 3) {
7791                 /* adjustments to start on required 4 byte boundary */
7792                 b_offset = offset & 3;
7793                 b_count = 4 - b_offset;
7794                 if (b_count > len) {
7795                         /* i.e. offset=1 len=2 */
7796                         b_count = len;
7797                 }
7798                 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7799                 if (ret)
7800                         return ret;
7801                 val = cpu_to_le32(val);
7802                 memcpy(data, ((char*)&val) + b_offset, b_count);
7803                 len -= b_count;
7804                 offset += b_count;
7805                 eeprom->len += b_count;
7806         }
7807
7808         /* read bytes upto the last 4 byte boundary */
7809         pd = &data[eeprom->len];
7810         for (i = 0; i < (len - (len & 3)); i += 4) {
7811                 ret = tg3_nvram_read(tp, offset + i, &val);
7812                 if (ret) {
7813                         eeprom->len += i;
7814                         return ret;
7815                 }
7816                 val = cpu_to_le32(val);
7817                 memcpy(pd + i, &val, 4);
7818         }
7819         eeprom->len += i;
7820
7821         if (len & 3) {
7822                 /* read last bytes not ending on 4 byte boundary */
7823                 pd = &data[eeprom->len];
7824                 b_count = len & 3;
7825                 b_offset = offset + len - b_count;
7826                 ret = tg3_nvram_read(tp, b_offset, &val);
7827                 if (ret)
7828                         return ret;
7829                 val = cpu_to_le32(val);
7830                 memcpy(pd, ((char*)&val), b_count);
7831                 eeprom->len += b_count;
7832         }
7833         return 0;
7834 }
7835
7836 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7837
7838 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7839 {
7840         struct tg3 *tp = netdev_priv(dev);
7841         int ret;
7842         u32 offset, len, b_offset, odd_len, start, end;
7843         u8 *buf;
7844
7845         if (tp->link_config.phy_is_low_power)
7846                 return -EAGAIN;
7847
7848         if (eeprom->magic != TG3_EEPROM_MAGIC)
7849                 return -EINVAL;
7850
7851         offset = eeprom->offset;
7852         len = eeprom->len;
7853
7854         if ((b_offset = (offset & 3))) {
7855                 /* adjustments to start on required 4 byte boundary */
7856                 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7857                 if (ret)
7858                         return ret;
7859                 start = cpu_to_le32(start);
7860                 len += b_offset;
7861                 offset &= ~3;
7862                 if (len < 4)
7863                         len = 4;
7864         }
7865
7866         odd_len = 0;
7867         if (len & 3) {
7868                 /* adjustments to end on required 4 byte boundary */
7869                 odd_len = 1;
7870                 len = (len + 3) & ~3;
7871                 ret = tg3_nvram_read(tp, offset+len-4, &end);
7872                 if (ret)
7873                         return ret;
7874                 end = cpu_to_le32(end);
7875         }
7876
7877         buf = data;
7878         if (b_offset || odd_len) {
7879                 buf = kmalloc(len, GFP_KERNEL);
7880                 if (buf == 0)
7881                         return -ENOMEM;
7882                 if (b_offset)
7883                         memcpy(buf, &start, 4);
7884                 if (odd_len)
7885                         memcpy(buf+len-4, &end, 4);
7886                 memcpy(buf + b_offset, data, eeprom->len);
7887         }
7888
7889         ret = tg3_nvram_write_block(tp, offset, len, buf);
7890
7891         if (buf != data)
7892                 kfree(buf);
7893
7894         return ret;
7895 }
7896
7897 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7898 {
7899         struct tg3 *tp = netdev_priv(dev);
7900
7901         cmd->supported = (SUPPORTED_Autoneg);
7902
7903         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7904                 cmd->supported |= (SUPPORTED_1000baseT_Half |
7905                                    SUPPORTED_1000baseT_Full);
7906
7907         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
7908                 cmd->supported |= (SUPPORTED_100baseT_Half |
7909                                   SUPPORTED_100baseT_Full |
7910                                   SUPPORTED_10baseT_Half |
7911                                   SUPPORTED_10baseT_Full |
7912                                   SUPPORTED_MII);
7913                 cmd->port = PORT_TP;
7914         } else {
7915                 cmd->supported |= SUPPORTED_FIBRE;
7916                 cmd->port = PORT_FIBRE;
7917         }
7918
7919         cmd->advertising = tp->link_config.advertising;
7920         if (netif_running(dev)) {
7921                 cmd->speed = tp->link_config.active_speed;
7922                 cmd->duplex = tp->link_config.active_duplex;
7923         }
7924         cmd->phy_address = PHY_ADDR;
7925         cmd->transceiver = 0;
7926         cmd->autoneg = tp->link_config.autoneg;
7927         cmd->maxtxpkt = 0;
7928         cmd->maxrxpkt = 0;
7929         return 0;
7930 }
7931
7932 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7933 {
7934         struct tg3 *tp = netdev_priv(dev);
7935
7936         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
7937                 /* These are the only valid advertisement bits allowed.  */
7938                 if (cmd->autoneg == AUTONEG_ENABLE &&
7939                     (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7940                                           ADVERTISED_1000baseT_Full |
7941                                           ADVERTISED_Autoneg |
7942                                           ADVERTISED_FIBRE)))
7943                         return -EINVAL;
7944                 /* Fiber can only do SPEED_1000.  */
7945                 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7946                          (cmd->speed != SPEED_1000))
7947                         return -EINVAL;
7948         /* Copper cannot force SPEED_1000.  */
7949         } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7950                    (cmd->speed == SPEED_1000))
7951                 return -EINVAL;
7952         else if ((cmd->speed == SPEED_1000) &&
7953                  (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7954                 return -EINVAL;
7955
7956         tg3_full_lock(tp, 0);
7957
7958         tp->link_config.autoneg = cmd->autoneg;
7959         if (cmd->autoneg == AUTONEG_ENABLE) {
7960                 tp->link_config.advertising = cmd->advertising;
7961                 tp->link_config.speed = SPEED_INVALID;
7962                 tp->link_config.duplex = DUPLEX_INVALID;
7963         } else {
7964                 tp->link_config.advertising = 0;
7965                 tp->link_config.speed = cmd->speed;
7966                 tp->link_config.duplex = cmd->duplex;
7967         }
7968
7969         if (netif_running(dev))
7970                 tg3_setup_phy(tp, 1);
7971
7972         tg3_full_unlock(tp);
7973
7974         return 0;
7975 }
7976
7977 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7978 {
7979         struct tg3 *tp = netdev_priv(dev);
7980
7981         strcpy(info->driver, DRV_MODULE_NAME);
7982         strcpy(info->version, DRV_MODULE_VERSION);
7983         strcpy(info->fw_version, tp->fw_ver);
7984         strcpy(info->bus_info, pci_name(tp->pdev));
7985 }
7986
7987 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7988 {
7989         struct tg3 *tp = netdev_priv(dev);
7990
7991         wol->supported = WAKE_MAGIC;
7992         wol->wolopts = 0;
7993         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
7994                 wol->wolopts = WAKE_MAGIC;
7995         memset(&wol->sopass, 0, sizeof(wol->sopass));
7996 }
7997
7998 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7999 {
8000         struct tg3 *tp = netdev_priv(dev);
8001
8002         if (wol->wolopts & ~WAKE_MAGIC)
8003                 return -EINVAL;
8004         if ((wol->wolopts & WAKE_MAGIC) &&
8005             tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
8006             !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8007                 return -EINVAL;
8008
8009         spin_lock_bh(&tp->lock);
8010         if (wol->wolopts & WAKE_MAGIC)
8011                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8012         else
8013                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8014         spin_unlock_bh(&tp->lock);
8015
8016         return 0;
8017 }
8018
8019 static u32 tg3_get_msglevel(struct net_device *dev)
8020 {
8021         struct tg3 *tp = netdev_priv(dev);
8022         return tp->msg_enable;
8023 }
8024
8025 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8026 {
8027         struct tg3 *tp = netdev_priv(dev);
8028         tp->msg_enable = value;
8029 }
8030
8031 #if TG3_TSO_SUPPORT != 0
8032 static int tg3_set_tso(struct net_device *dev, u32 value)
8033 {
8034         struct tg3 *tp = netdev_priv(dev);
8035
8036         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8037                 if (value)
8038                         return -EINVAL;
8039                 return 0;
8040         }
8041         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8042             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8043                 if (value)
8044                         dev->features |= NETIF_F_TSO6;
8045                 else
8046                         dev->features &= ~NETIF_F_TSO6;
8047         }
8048         return ethtool_op_set_tso(dev, value);
8049 }
8050 #endif
8051
8052 static int tg3_nway_reset(struct net_device *dev)
8053 {
8054         struct tg3 *tp = netdev_priv(dev);
8055         u32 bmcr;
8056         int r;
8057
8058         if (!netif_running(dev))
8059                 return -EAGAIN;
8060
8061         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8062                 return -EINVAL;
8063
8064         spin_lock_bh(&tp->lock);
8065         r = -EINVAL;
8066         tg3_readphy(tp, MII_BMCR, &bmcr);
8067         if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8068             ((bmcr & BMCR_ANENABLE) ||
8069              (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8070                 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8071                                            BMCR_ANENABLE);
8072                 r = 0;
8073         }
8074         spin_unlock_bh(&tp->lock);
8075
8076         return r;
8077 }
8078
8079 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8080 {
8081         struct tg3 *tp = netdev_priv(dev);
8082
8083         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8084         ering->rx_mini_max_pending = 0;
8085         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8086                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8087         else
8088                 ering->rx_jumbo_max_pending = 0;
8089
8090         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8091
8092         ering->rx_pending = tp->rx_pending;
8093         ering->rx_mini_pending = 0;
8094         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8095                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8096         else
8097                 ering->rx_jumbo_pending = 0;
8098
8099         ering->tx_pending = tp->tx_pending;
8100 }
8101
8102 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8103 {
8104         struct tg3 *tp = netdev_priv(dev);
8105         int irq_sync = 0, err = 0;
8106
8107         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8108             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8109             (ering->tx_pending > TG3_TX_RING_SIZE - 1))
8110                 return -EINVAL;
8111
8112         if (netif_running(dev)) {
8113                 tg3_netif_stop(tp);
8114                 irq_sync = 1;
8115         }
8116
8117         tg3_full_lock(tp, irq_sync);
8118
8119         tp->rx_pending = ering->rx_pending;
8120
8121         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8122             tp->rx_pending > 63)
8123                 tp->rx_pending = 63;
8124         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8125         tp->tx_pending = ering->tx_pending;
8126
8127         if (netif_running(dev)) {
8128                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8129                 err = tg3_restart_hw(tp, 1);
8130                 if (!err)
8131                         tg3_netif_start(tp);
8132         }
8133
8134         tg3_full_unlock(tp);
8135
8136         return err;
8137 }
8138
8139 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8140 {
8141         struct tg3 *tp = netdev_priv(dev);
8142
8143         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8144         epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8145         epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8146 }
8147
8148 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8149 {
8150         struct tg3 *tp = netdev_priv(dev);
8151         int irq_sync = 0, err = 0;
8152
8153         if (netif_running(dev)) {
8154                 tg3_netif_stop(tp);
8155                 irq_sync = 1;
8156         }
8157
8158         tg3_full_lock(tp, irq_sync);
8159
8160         if (epause->autoneg)
8161                 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8162         else
8163                 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8164         if (epause->rx_pause)
8165                 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8166         else
8167                 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8168         if (epause->tx_pause)
8169                 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8170         else
8171                 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8172
8173         if (netif_running(dev)) {
8174                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8175                 err = tg3_restart_hw(tp, 1);
8176                 if (!err)
8177                         tg3_netif_start(tp);
8178         }
8179
8180         tg3_full_unlock(tp);
8181
8182         return err;
8183 }
8184
8185 static u32 tg3_get_rx_csum(struct net_device *dev)
8186 {
8187         struct tg3 *tp = netdev_priv(dev);
8188         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8189 }
8190
8191 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8192 {
8193         struct tg3 *tp = netdev_priv(dev);
8194
8195         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8196                 if (data != 0)
8197                         return -EINVAL;
8198                 return 0;
8199         }
8200
8201         spin_lock_bh(&tp->lock);
8202         if (data)
8203                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8204         else
8205                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8206         spin_unlock_bh(&tp->lock);
8207
8208         return 0;
8209 }
8210
8211 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8212 {
8213         struct tg3 *tp = netdev_priv(dev);
8214
8215         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8216                 if (data != 0)
8217                         return -EINVAL;
8218                 return 0;
8219         }
8220
8221         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8222             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8223                 ethtool_op_set_tx_hw_csum(dev, data);
8224         else
8225                 ethtool_op_set_tx_csum(dev, data);
8226
8227         return 0;
8228 }
8229
8230 static int tg3_get_stats_count (struct net_device *dev)
8231 {
8232         return TG3_NUM_STATS;
8233 }
8234
8235 static int tg3_get_test_count (struct net_device *dev)
8236 {
8237         return TG3_NUM_TEST;
8238 }
8239
8240 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8241 {
8242         switch (stringset) {
8243         case ETH_SS_STATS:
8244                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8245                 break;
8246         case ETH_SS_TEST:
8247                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8248                 break;
8249         default:
8250                 WARN_ON(1);     /* we need a WARN() */
8251                 break;
8252         }
8253 }
8254
8255 static int tg3_phys_id(struct net_device *dev, u32 data)
8256 {
8257         struct tg3 *tp = netdev_priv(dev);
8258         int i;
8259
8260         if (!netif_running(tp->dev))
8261                 return -EAGAIN;
8262
8263         if (data == 0)
8264                 data = 2;
8265
8266         for (i = 0; i < (data * 2); i++) {
8267                 if ((i % 2) == 0)
8268                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8269                                            LED_CTRL_1000MBPS_ON |
8270                                            LED_CTRL_100MBPS_ON |
8271                                            LED_CTRL_10MBPS_ON |
8272                                            LED_CTRL_TRAFFIC_OVERRIDE |
8273                                            LED_CTRL_TRAFFIC_BLINK |
8274                                            LED_CTRL_TRAFFIC_LED);
8275
8276                 else
8277                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8278                                            LED_CTRL_TRAFFIC_OVERRIDE);
8279
8280                 if (msleep_interruptible(500))
8281                         break;
8282         }
8283         tw32(MAC_LED_CTRL, tp->led_ctrl);
8284         return 0;
8285 }
8286
8287 static void tg3_get_ethtool_stats (struct net_device *dev,
8288                                    struct ethtool_stats *estats, u64 *tmp_stats)
8289 {
8290         struct tg3 *tp = netdev_priv(dev);
8291         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8292 }
8293
8294 #define NVRAM_TEST_SIZE 0x100
8295 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8296 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8297 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8298
8299 static int tg3_test_nvram(struct tg3 *tp)
8300 {
8301         u32 *buf, csum, magic;
8302         int i, j, err = 0, size;
8303
8304         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8305                 return -EIO;
8306
8307         if (magic == TG3_EEPROM_MAGIC)
8308                 size = NVRAM_TEST_SIZE;
8309         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8310                 if ((magic & 0xe00000) == 0x200000)
8311                         size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8312                 else
8313                         return 0;
8314         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8315                 size = NVRAM_SELFBOOT_HW_SIZE;
8316         else
8317                 return -EIO;
8318
8319         buf = kmalloc(size, GFP_KERNEL);
8320         if (buf == NULL)
8321                 return -ENOMEM;
8322
8323         err = -EIO;
8324         for (i = 0, j = 0; i < size; i += 4, j++) {
8325                 u32 val;
8326
8327                 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8328                         break;
8329                 buf[j] = cpu_to_le32(val);
8330         }
8331         if (i < size)
8332                 goto out;
8333
8334         /* Selfboot format */
8335         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8336             TG3_EEPROM_MAGIC_FW) {
8337                 u8 *buf8 = (u8 *) buf, csum8 = 0;
8338
8339                 for (i = 0; i < size; i++)
8340                         csum8 += buf8[i];
8341
8342                 if (csum8 == 0) {
8343                         err = 0;
8344                         goto out;
8345                 }
8346
8347                 err = -EIO;
8348                 goto out;
8349         }
8350
8351         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8352             TG3_EEPROM_MAGIC_HW) {
8353                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8354                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8355                 u8 *buf8 = (u8 *) buf;
8356                 int j, k;
8357
8358                 /* Separate the parity bits and the data bytes.  */
8359                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8360                         if ((i == 0) || (i == 8)) {
8361                                 int l;
8362                                 u8 msk;
8363
8364                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8365                                         parity[k++] = buf8[i] & msk;
8366                                 i++;
8367                         }
8368                         else if (i == 16) {
8369                                 int l;
8370                                 u8 msk;
8371
8372                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8373                                         parity[k++] = buf8[i] & msk;
8374                                 i++;
8375
8376                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8377                                         parity[k++] = buf8[i] & msk;
8378                                 i++;
8379                         }
8380                         data[j++] = buf8[i];
8381                 }
8382
8383                 err = -EIO;
8384                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8385                         u8 hw8 = hweight8(data[i]);
8386
8387                         if ((hw8 & 0x1) && parity[i])
8388                                 goto out;
8389                         else if (!(hw8 & 0x1) && !parity[i])
8390                                 goto out;
8391                 }
8392                 err = 0;
8393                 goto out;
8394         }
8395
8396         /* Bootstrap checksum at offset 0x10 */
8397         csum = calc_crc((unsigned char *) buf, 0x10);
8398         if(csum != cpu_to_le32(buf[0x10/4]))
8399                 goto out;
8400
8401         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8402         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8403         if (csum != cpu_to_le32(buf[0xfc/4]))
8404                  goto out;
8405
8406         err = 0;
8407
8408 out:
8409         kfree(buf);
8410         return err;
8411 }
8412
8413 #define TG3_SERDES_TIMEOUT_SEC  2
8414 #define TG3_COPPER_TIMEOUT_SEC  6
8415
8416 static int tg3_test_link(struct tg3 *tp)
8417 {
8418         int i, max;
8419
8420         if (!netif_running(tp->dev))
8421                 return -ENODEV;
8422
8423         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8424                 max = TG3_SERDES_TIMEOUT_SEC;
8425         else
8426                 max = TG3_COPPER_TIMEOUT_SEC;
8427
8428         for (i = 0; i < max; i++) {
8429                 if (netif_carrier_ok(tp->dev))
8430                         return 0;
8431
8432                 if (msleep_interruptible(1000))
8433                         break;
8434         }
8435
8436         return -EIO;
8437 }
8438
8439 /* Only test the commonly used registers */
8440 static int tg3_test_registers(struct tg3 *tp)
8441 {
8442         int i, is_5705, is_5750;
8443         u32 offset, read_mask, write_mask, val, save_val, read_val;
8444         static struct {
8445                 u16 offset;
8446                 u16 flags;
8447 #define TG3_FL_5705     0x1
8448 #define TG3_FL_NOT_5705 0x2
8449 #define TG3_FL_NOT_5788 0x4
8450 #define TG3_FL_NOT_5750 0x8
8451                 u32 read_mask;
8452                 u32 write_mask;
8453         } reg_tbl[] = {
8454                 /* MAC Control Registers */
8455                 { MAC_MODE, TG3_FL_NOT_5705,
8456                         0x00000000, 0x00ef6f8c },
8457                 { MAC_MODE, TG3_FL_5705,
8458                         0x00000000, 0x01ef6b8c },
8459                 { MAC_STATUS, TG3_FL_NOT_5705,
8460                         0x03800107, 0x00000000 },
8461                 { MAC_STATUS, TG3_FL_5705,
8462                         0x03800100, 0x00000000 },
8463                 { MAC_ADDR_0_HIGH, 0x0000,
8464                         0x00000000, 0x0000ffff },
8465                 { MAC_ADDR_0_LOW, 0x0000,
8466                         0x00000000, 0xffffffff },
8467                 { MAC_RX_MTU_SIZE, 0x0000,
8468                         0x00000000, 0x0000ffff },
8469                 { MAC_TX_MODE, 0x0000,
8470                         0x00000000, 0x00000070 },
8471                 { MAC_TX_LENGTHS, 0x0000,
8472                         0x00000000, 0x00003fff },
8473                 { MAC_RX_MODE, TG3_FL_NOT_5705,
8474                         0x00000000, 0x000007fc },
8475                 { MAC_RX_MODE, TG3_FL_5705,
8476                         0x00000000, 0x000007dc },
8477                 { MAC_HASH_REG_0, 0x0000,
8478                         0x00000000, 0xffffffff },
8479                 { MAC_HASH_REG_1, 0x0000,
8480                         0x00000000, 0xffffffff },
8481                 { MAC_HASH_REG_2, 0x0000,
8482                         0x00000000, 0xffffffff },
8483                 { MAC_HASH_REG_3, 0x0000,
8484                         0x00000000, 0xffffffff },
8485
8486                 /* Receive Data and Receive BD Initiator Control Registers. */
8487                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8488                         0x00000000, 0xffffffff },
8489                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8490                         0x00000000, 0xffffffff },
8491                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8492                         0x00000000, 0x00000003 },
8493                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8494                         0x00000000, 0xffffffff },
8495                 { RCVDBDI_STD_BD+0, 0x0000,
8496                         0x00000000, 0xffffffff },
8497                 { RCVDBDI_STD_BD+4, 0x0000,
8498                         0x00000000, 0xffffffff },
8499                 { RCVDBDI_STD_BD+8, 0x0000,
8500                         0x00000000, 0xffff0002 },
8501                 { RCVDBDI_STD_BD+0xc, 0x0000,
8502                         0x00000000, 0xffffffff },
8503
8504                 /* Receive BD Initiator Control Registers. */
8505                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8506                         0x00000000, 0xffffffff },
8507                 { RCVBDI_STD_THRESH, TG3_FL_5705,
8508                         0x00000000, 0x000003ff },
8509                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8510                         0x00000000, 0xffffffff },
8511
8512                 /* Host Coalescing Control Registers. */
8513                 { HOSTCC_MODE, TG3_FL_NOT_5705,
8514                         0x00000000, 0x00000004 },
8515                 { HOSTCC_MODE, TG3_FL_5705,
8516                         0x00000000, 0x000000f6 },
8517                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8518                         0x00000000, 0xffffffff },
8519                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8520                         0x00000000, 0x000003ff },
8521                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8522                         0x00000000, 0xffffffff },
8523                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8524                         0x00000000, 0x000003ff },
8525                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8526                         0x00000000, 0xffffffff },
8527                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8528                         0x00000000, 0x000000ff },
8529                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8530                         0x00000000, 0xffffffff },
8531                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8532                         0x00000000, 0x000000ff },
8533                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8534                         0x00000000, 0xffffffff },
8535                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8536                         0x00000000, 0xffffffff },
8537                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8538                         0x00000000, 0xffffffff },
8539                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8540                         0x00000000, 0x000000ff },
8541                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8542                         0x00000000, 0xffffffff },
8543                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8544                         0x00000000, 0x000000ff },
8545                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8546                         0x00000000, 0xffffffff },
8547                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8548                         0x00000000, 0xffffffff },
8549                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8550                         0x00000000, 0xffffffff },
8551                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8552                         0x00000000, 0xffffffff },
8553                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8554                         0x00000000, 0xffffffff },
8555                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8556                         0xffffffff, 0x00000000 },
8557                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8558                         0xffffffff, 0x00000000 },
8559
8560                 /* Buffer Manager Control Registers. */
8561                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8562                         0x00000000, 0x007fff80 },
8563                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8564                         0x00000000, 0x007fffff },
8565                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8566                         0x00000000, 0x0000003f },
8567                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8568                         0x00000000, 0x000001ff },
8569                 { BUFMGR_MB_HIGH_WATER, 0x0000,
8570                         0x00000000, 0x000001ff },
8571                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8572                         0xffffffff, 0x00000000 },
8573                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8574                         0xffffffff, 0x00000000 },
8575
8576                 /* Mailbox Registers */
8577                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8578                         0x00000000, 0x000001ff },
8579                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8580                         0x00000000, 0x000001ff },
8581                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8582                         0x00000000, 0x000007ff },
8583                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8584                         0x00000000, 0x000001ff },
8585
8586                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8587         };
8588
8589         is_5705 = is_5750 = 0;
8590         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8591                 is_5705 = 1;
8592                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8593                         is_5750 = 1;
8594         }
8595
8596         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8597                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8598                         continue;
8599
8600                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8601                         continue;
8602
8603                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8604                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
8605                         continue;
8606
8607                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8608                         continue;
8609
8610                 offset = (u32) reg_tbl[i].offset;
8611                 read_mask = reg_tbl[i].read_mask;
8612                 write_mask = reg_tbl[i].write_mask;
8613
8614                 /* Save the original register content */
8615                 save_val = tr32(offset);
8616
8617                 /* Determine the read-only value. */
8618                 read_val = save_val & read_mask;
8619
8620                 /* Write zero to the register, then make sure the read-only bits
8621                  * are not changed and the read/write bits are all zeros.
8622                  */
8623                 tw32(offset, 0);
8624
8625                 val = tr32(offset);
8626
8627                 /* Test the read-only and read/write bits. */
8628                 if (((val & read_mask) != read_val) || (val & write_mask))
8629                         goto out;
8630
8631                 /* Write ones to all the bits defined by RdMask and WrMask, then
8632                  * make sure the read-only bits are not changed and the
8633                  * read/write bits are all ones.
8634                  */
8635                 tw32(offset, read_mask | write_mask);
8636
8637                 val = tr32(offset);
8638
8639                 /* Test the read-only bits. */
8640                 if ((val & read_mask) != read_val)
8641                         goto out;
8642
8643                 /* Test the read/write bits. */
8644                 if ((val & write_mask) != write_mask)
8645                         goto out;
8646
8647                 tw32(offset, save_val);
8648         }
8649
8650         return 0;
8651
8652 out:
8653         printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
8654         tw32(offset, save_val);
8655         return -EIO;
8656 }
8657
8658 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8659 {
8660         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
8661         int i;
8662         u32 j;
8663
8664         for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8665                 for (j = 0; j < len; j += 4) {
8666                         u32 val;
8667
8668                         tg3_write_mem(tp, offset + j, test_pattern[i]);
8669                         tg3_read_mem(tp, offset + j, &val);
8670                         if (val != test_pattern[i])
8671                                 return -EIO;
8672                 }
8673         }
8674         return 0;
8675 }
8676
8677 static int tg3_test_memory(struct tg3 *tp)
8678 {
8679         static struct mem_entry {
8680                 u32 offset;
8681                 u32 len;
8682         } mem_tbl_570x[] = {
8683                 { 0x00000000, 0x00b50},
8684                 { 0x00002000, 0x1c000},
8685                 { 0xffffffff, 0x00000}
8686         }, mem_tbl_5705[] = {
8687                 { 0x00000100, 0x0000c},
8688                 { 0x00000200, 0x00008},
8689                 { 0x00004000, 0x00800},
8690                 { 0x00006000, 0x01000},
8691                 { 0x00008000, 0x02000},
8692                 { 0x00010000, 0x0e000},
8693                 { 0xffffffff, 0x00000}
8694         }, mem_tbl_5755[] = {
8695                 { 0x00000200, 0x00008},
8696                 { 0x00004000, 0x00800},
8697                 { 0x00006000, 0x00800},
8698                 { 0x00008000, 0x02000},
8699                 { 0x00010000, 0x0c000},
8700                 { 0xffffffff, 0x00000}
8701         }, mem_tbl_5906[] = {
8702                 { 0x00000200, 0x00008},
8703                 { 0x00004000, 0x00400},
8704                 { 0x00006000, 0x00400},
8705                 { 0x00008000, 0x01000},
8706                 { 0x00010000, 0x01000},
8707                 { 0xffffffff, 0x00000}
8708         };
8709         struct mem_entry *mem_tbl;
8710         int err = 0;
8711         int i;
8712
8713         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8714                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8715                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8716                         mem_tbl = mem_tbl_5755;
8717                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8718                         mem_tbl = mem_tbl_5906;
8719                 else
8720                         mem_tbl = mem_tbl_5705;
8721         } else
8722                 mem_tbl = mem_tbl_570x;
8723
8724         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8725                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8726                     mem_tbl[i].len)) != 0)
8727                         break;
8728         }
8729
8730         return err;
8731 }
8732
8733 #define TG3_MAC_LOOPBACK        0
8734 #define TG3_PHY_LOOPBACK        1
8735
8736 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
8737 {
8738         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
8739         u32 desc_idx;
8740         struct sk_buff *skb, *rx_skb;
8741         u8 *tx_data;
8742         dma_addr_t map;
8743         int num_pkts, tx_len, rx_len, i, err;
8744         struct tg3_rx_buffer_desc *desc;
8745
8746         if (loopback_mode == TG3_MAC_LOOPBACK) {
8747                 /* HW errata - mac loopback fails in some cases on 5780.
8748                  * Normal traffic and PHY loopback are not affected by
8749                  * errata.
8750                  */
8751                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8752                         return 0;
8753
8754                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8755                            MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8756                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8757                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8758                 else
8759                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8760                 tw32(MAC_MODE, mac_mode);
8761         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
8762                 u32 val;
8763
8764                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8765                         u32 phytest;
8766
8767                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8768                                 u32 phy;
8769
8770                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8771                                              phytest | MII_TG3_EPHY_SHADOW_EN);
8772                                 if (!tg3_readphy(tp, 0x1b, &phy))
8773                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
8774                                 if (!tg3_readphy(tp, 0x10, &phy))
8775                                         tg3_writephy(tp, 0x10, phy & ~0x4000);
8776                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8777                         }
8778                 }
8779                 val = BMCR_LOOPBACK | BMCR_FULLDPLX;
8780                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8781                         val |= BMCR_SPEED100;
8782                 else
8783                         val |= BMCR_SPEED1000;
8784
8785                 tg3_writephy(tp, MII_BMCR, val);
8786                 udelay(40);
8787                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8788                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
8789
8790                 /* reset to prevent losing 1st rx packet intermittently */
8791                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8792                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8793                         udelay(10);
8794                         tw32_f(MAC_RX_MODE, tp->rx_mode);
8795                 }
8796                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8797                            MAC_MODE_LINK_POLARITY;
8798                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8799                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8800                 else
8801                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8802                 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
8803                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
8804                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
8805                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8806                 }
8807                 tw32(MAC_MODE, mac_mode);
8808         }
8809         else
8810                 return -EINVAL;
8811
8812         err = -EIO;
8813
8814         tx_len = 1514;
8815         skb = netdev_alloc_skb(tp->dev, tx_len);
8816         if (!skb)
8817                 return -ENOMEM;
8818
8819         tx_data = skb_put(skb, tx_len);
8820         memcpy(tx_data, tp->dev->dev_addr, 6);
8821         memset(tx_data + 6, 0x0, 8);
8822
8823         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8824
8825         for (i = 14; i < tx_len; i++)
8826                 tx_data[i] = (u8) (i & 0xff);
8827
8828         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8829
8830         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8831              HOSTCC_MODE_NOW);
8832
8833         udelay(10);
8834
8835         rx_start_idx = tp->hw_status->idx[0].rx_producer;
8836
8837         num_pkts = 0;
8838
8839         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
8840
8841         tp->tx_prod++;
8842         num_pkts++;
8843
8844         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8845                      tp->tx_prod);
8846         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
8847
8848         udelay(10);
8849
8850         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
8851         for (i = 0; i < 25; i++) {
8852                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8853                        HOSTCC_MODE_NOW);
8854
8855                 udelay(10);
8856
8857                 tx_idx = tp->hw_status->idx[0].tx_consumer;
8858                 rx_idx = tp->hw_status->idx[0].rx_producer;
8859                 if ((tx_idx == tp->tx_prod) &&
8860                     (rx_idx == (rx_start_idx + num_pkts)))
8861                         break;
8862         }
8863
8864         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8865         dev_kfree_skb(skb);
8866
8867         if (tx_idx != tp->tx_prod)
8868                 goto out;
8869
8870         if (rx_idx != rx_start_idx + num_pkts)
8871                 goto out;
8872
8873         desc = &tp->rx_rcb[rx_start_idx];
8874         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8875         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8876         if (opaque_key != RXD_OPAQUE_RING_STD)
8877                 goto out;
8878
8879         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8880             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8881                 goto out;
8882
8883         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8884         if (rx_len != tx_len)
8885                 goto out;
8886
8887         rx_skb = tp->rx_std_buffers[desc_idx].skb;
8888
8889         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8890         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8891
8892         for (i = 14; i < tx_len; i++) {
8893                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8894                         goto out;
8895         }
8896         err = 0;
8897
8898         /* tg3_free_rings will unmap and free the rx_skb */
8899 out:
8900         return err;
8901 }
8902
8903 #define TG3_MAC_LOOPBACK_FAILED         1
8904 #define TG3_PHY_LOOPBACK_FAILED         2
8905 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
8906                                          TG3_PHY_LOOPBACK_FAILED)
8907
8908 static int tg3_test_loopback(struct tg3 *tp)
8909 {
8910         int err = 0;
8911
8912         if (!netif_running(tp->dev))
8913                 return TG3_LOOPBACK_FAILED;
8914
8915         err = tg3_reset_hw(tp, 1);
8916         if (err)
8917                 return TG3_LOOPBACK_FAILED;
8918
8919         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8920                 err |= TG3_MAC_LOOPBACK_FAILED;
8921         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8922                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8923                         err |= TG3_PHY_LOOPBACK_FAILED;
8924         }
8925
8926         return err;
8927 }
8928
8929 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8930                           u64 *data)
8931 {
8932         struct tg3 *tp = netdev_priv(dev);
8933
8934         if (tp->link_config.phy_is_low_power)
8935                 tg3_set_power_state(tp, PCI_D0);
8936
8937         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8938
8939         if (tg3_test_nvram(tp) != 0) {
8940                 etest->flags |= ETH_TEST_FL_FAILED;
8941                 data[0] = 1;
8942         }
8943         if (tg3_test_link(tp) != 0) {
8944                 etest->flags |= ETH_TEST_FL_FAILED;
8945                 data[1] = 1;
8946         }
8947         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8948                 int err, irq_sync = 0;
8949
8950                 if (netif_running(dev)) {
8951                         tg3_netif_stop(tp);
8952                         irq_sync = 1;
8953                 }
8954
8955                 tg3_full_lock(tp, irq_sync);
8956
8957                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
8958                 err = tg3_nvram_lock(tp);
8959                 tg3_halt_cpu(tp, RX_CPU_BASE);
8960                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8961                         tg3_halt_cpu(tp, TX_CPU_BASE);
8962                 if (!err)
8963                         tg3_nvram_unlock(tp);
8964
8965                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8966                         tg3_phy_reset(tp);
8967
8968                 if (tg3_test_registers(tp) != 0) {
8969                         etest->flags |= ETH_TEST_FL_FAILED;
8970                         data[2] = 1;
8971                 }
8972                 if (tg3_test_memory(tp) != 0) {
8973                         etest->flags |= ETH_TEST_FL_FAILED;
8974                         data[3] = 1;
8975                 }
8976                 if ((data[4] = tg3_test_loopback(tp)) != 0)
8977                         etest->flags |= ETH_TEST_FL_FAILED;
8978
8979                 tg3_full_unlock(tp);
8980
8981                 if (tg3_test_interrupt(tp) != 0) {
8982                         etest->flags |= ETH_TEST_FL_FAILED;
8983                         data[5] = 1;
8984                 }
8985
8986                 tg3_full_lock(tp, 0);
8987
8988                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8989                 if (netif_running(dev)) {
8990                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8991                         if (!tg3_restart_hw(tp, 1))
8992                                 tg3_netif_start(tp);
8993                 }
8994
8995                 tg3_full_unlock(tp);
8996         }
8997         if (tp->link_config.phy_is_low_power)
8998                 tg3_set_power_state(tp, PCI_D3hot);
8999
9000 }
9001
9002 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9003 {
9004         struct mii_ioctl_data *data = if_mii(ifr);
9005         struct tg3 *tp = netdev_priv(dev);
9006         int err;
9007
9008         switch(cmd) {
9009         case SIOCGMIIPHY:
9010                 data->phy_id = PHY_ADDR;
9011
9012                 /* fallthru */
9013         case SIOCGMIIREG: {
9014                 u32 mii_regval;
9015
9016                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9017                         break;                  /* We have no PHY */
9018
9019                 if (tp->link_config.phy_is_low_power)
9020                         return -EAGAIN;
9021
9022                 spin_lock_bh(&tp->lock);
9023                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9024                 spin_unlock_bh(&tp->lock);
9025
9026                 data->val_out = mii_regval;
9027
9028                 return err;
9029         }
9030
9031         case SIOCSMIIREG:
9032                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9033                         break;                  /* We have no PHY */
9034
9035                 if (!capable(CAP_NET_ADMIN))
9036                         return -EPERM;
9037
9038                 if (tp->link_config.phy_is_low_power)
9039                         return -EAGAIN;
9040
9041                 spin_lock_bh(&tp->lock);
9042                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9043                 spin_unlock_bh(&tp->lock);
9044
9045                 return err;
9046
9047         default:
9048                 /* do nothing */
9049                 break;
9050         }
9051         return -EOPNOTSUPP;
9052 }
9053
9054 #if TG3_VLAN_TAG_USED
9055 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9056 {
9057         struct tg3 *tp = netdev_priv(dev);
9058
9059         if (netif_running(dev))
9060                 tg3_netif_stop(tp);
9061
9062         tg3_full_lock(tp, 0);
9063
9064         tp->vlgrp = grp;
9065
9066         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9067         __tg3_set_rx_mode(dev);
9068
9069         tg3_full_unlock(tp);
9070
9071         if (netif_running(dev))
9072                 tg3_netif_start(tp);
9073 }
9074
9075 static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9076 {
9077         struct tg3 *tp = netdev_priv(dev);
9078
9079         if (netif_running(dev))
9080                 tg3_netif_stop(tp);
9081
9082         tg3_full_lock(tp, 0);
9083         if (tp->vlgrp)
9084                 tp->vlgrp->vlan_devices[vid] = NULL;
9085         tg3_full_unlock(tp);
9086
9087         if (netif_running(dev))
9088                 tg3_netif_start(tp);
9089 }
9090 #endif
9091
9092 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9093 {
9094         struct tg3 *tp = netdev_priv(dev);
9095
9096         memcpy(ec, &tp->coal, sizeof(*ec));
9097         return 0;
9098 }
9099
9100 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9101 {
9102         struct tg3 *tp = netdev_priv(dev);
9103         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9104         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9105
9106         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9107                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9108                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9109                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9110                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9111         }
9112
9113         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9114             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9115             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9116             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9117             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9118             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9119             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9120             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9121             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9122             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9123                 return -EINVAL;
9124
9125         /* No rx interrupts will be generated if both are zero */
9126         if ((ec->rx_coalesce_usecs == 0) &&
9127             (ec->rx_max_coalesced_frames == 0))
9128                 return -EINVAL;
9129
9130         /* No tx interrupts will be generated if both are zero */
9131         if ((ec->tx_coalesce_usecs == 0) &&
9132             (ec->tx_max_coalesced_frames == 0))
9133                 return -EINVAL;
9134
9135         /* Only copy relevant parameters, ignore all others. */
9136         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9137         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9138         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9139         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9140         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9141         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9142         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9143         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9144         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9145
9146         if (netif_running(dev)) {
9147                 tg3_full_lock(tp, 0);
9148                 __tg3_set_coalesce(tp, &tp->coal);
9149                 tg3_full_unlock(tp);
9150         }
9151         return 0;
9152 }
9153
9154 static const struct ethtool_ops tg3_ethtool_ops = {
9155         .get_settings           = tg3_get_settings,
9156         .set_settings           = tg3_set_settings,
9157         .get_drvinfo            = tg3_get_drvinfo,
9158         .get_regs_len           = tg3_get_regs_len,
9159         .get_regs               = tg3_get_regs,
9160         .get_wol                = tg3_get_wol,
9161         .set_wol                = tg3_set_wol,
9162         .get_msglevel           = tg3_get_msglevel,
9163         .set_msglevel           = tg3_set_msglevel,
9164         .nway_reset             = tg3_nway_reset,
9165         .get_link               = ethtool_op_get_link,
9166         .get_eeprom_len         = tg3_get_eeprom_len,
9167         .get_eeprom             = tg3_get_eeprom,
9168         .set_eeprom             = tg3_set_eeprom,
9169         .get_ringparam          = tg3_get_ringparam,
9170         .set_ringparam          = tg3_set_ringparam,
9171         .get_pauseparam         = tg3_get_pauseparam,
9172         .set_pauseparam         = tg3_set_pauseparam,
9173         .get_rx_csum            = tg3_get_rx_csum,
9174         .set_rx_csum            = tg3_set_rx_csum,
9175         .get_tx_csum            = ethtool_op_get_tx_csum,
9176         .set_tx_csum            = tg3_set_tx_csum,
9177         .get_sg                 = ethtool_op_get_sg,
9178         .set_sg                 = ethtool_op_set_sg,
9179 #if TG3_TSO_SUPPORT != 0
9180         .get_tso                = ethtool_op_get_tso,
9181         .set_tso                = tg3_set_tso,
9182 #endif
9183         .self_test_count        = tg3_get_test_count,
9184         .self_test              = tg3_self_test,
9185         .get_strings            = tg3_get_strings,
9186         .phys_id                = tg3_phys_id,
9187         .get_stats_count        = tg3_get_stats_count,
9188         .get_ethtool_stats      = tg3_get_ethtool_stats,
9189         .get_coalesce           = tg3_get_coalesce,
9190         .set_coalesce           = tg3_set_coalesce,
9191         .get_perm_addr          = ethtool_op_get_perm_addr,
9192 };
9193
9194 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9195 {
9196         u32 cursize, val, magic;
9197
9198         tp->nvram_size = EEPROM_CHIP_SIZE;
9199
9200         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9201                 return;
9202
9203         if ((magic != TG3_EEPROM_MAGIC) &&
9204             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9205             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9206                 return;
9207
9208         /*
9209          * Size the chip by reading offsets at increasing powers of two.
9210          * When we encounter our validation signature, we know the addressing
9211          * has wrapped around, and thus have our chip size.
9212          */
9213         cursize = 0x10;
9214
9215         while (cursize < tp->nvram_size) {
9216                 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9217                         return;
9218
9219                 if (val == magic)
9220                         break;
9221
9222                 cursize <<= 1;
9223         }
9224
9225         tp->nvram_size = cursize;
9226 }
9227
9228 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9229 {
9230         u32 val;
9231
9232         if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9233                 return;
9234
9235         /* Selfboot format */
9236         if (val != TG3_EEPROM_MAGIC) {
9237                 tg3_get_eeprom_size(tp);
9238                 return;
9239         }
9240
9241         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9242                 if (val != 0) {
9243                         tp->nvram_size = (val >> 16) * 1024;
9244                         return;
9245                 }
9246         }
9247         tp->nvram_size = 0x20000;
9248 }
9249
9250 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9251 {
9252         u32 nvcfg1;
9253
9254         nvcfg1 = tr32(NVRAM_CFG1);
9255         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9256                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9257         }
9258         else {
9259                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9260                 tw32(NVRAM_CFG1, nvcfg1);
9261         }
9262
9263         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9264             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9265                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9266                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9267                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9268                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9269                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9270                                 break;
9271                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9272                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9273                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9274                                 break;
9275                         case FLASH_VENDOR_ATMEL_EEPROM:
9276                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9277                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9278                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9279                                 break;
9280                         case FLASH_VENDOR_ST:
9281                                 tp->nvram_jedecnum = JEDEC_ST;
9282                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9283                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9284                                 break;
9285                         case FLASH_VENDOR_SAIFUN:
9286                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
9287                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9288                                 break;
9289                         case FLASH_VENDOR_SST_SMALL:
9290                         case FLASH_VENDOR_SST_LARGE:
9291                                 tp->nvram_jedecnum = JEDEC_SST;
9292                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9293                                 break;
9294                 }
9295         }
9296         else {
9297                 tp->nvram_jedecnum = JEDEC_ATMEL;
9298                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9299                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9300         }
9301 }
9302
9303 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9304 {
9305         u32 nvcfg1;
9306
9307         nvcfg1 = tr32(NVRAM_CFG1);
9308
9309         /* NVRAM protection for TPM */
9310         if (nvcfg1 & (1 << 27))
9311                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9312
9313         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9314                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9315                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9316                         tp->nvram_jedecnum = JEDEC_ATMEL;
9317                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9318                         break;
9319                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9320                         tp->nvram_jedecnum = JEDEC_ATMEL;
9321                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9322                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9323                         break;
9324                 case FLASH_5752VENDOR_ST_M45PE10:
9325                 case FLASH_5752VENDOR_ST_M45PE20:
9326                 case FLASH_5752VENDOR_ST_M45PE40:
9327                         tp->nvram_jedecnum = JEDEC_ST;
9328                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9329                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9330                         break;
9331         }
9332
9333         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9334                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9335                         case FLASH_5752PAGE_SIZE_256:
9336                                 tp->nvram_pagesize = 256;
9337                                 break;
9338                         case FLASH_5752PAGE_SIZE_512:
9339                                 tp->nvram_pagesize = 512;
9340                                 break;
9341                         case FLASH_5752PAGE_SIZE_1K:
9342                                 tp->nvram_pagesize = 1024;
9343                                 break;
9344                         case FLASH_5752PAGE_SIZE_2K:
9345                                 tp->nvram_pagesize = 2048;
9346                                 break;
9347                         case FLASH_5752PAGE_SIZE_4K:
9348                                 tp->nvram_pagesize = 4096;
9349                                 break;
9350                         case FLASH_5752PAGE_SIZE_264:
9351                                 tp->nvram_pagesize = 264;
9352                                 break;
9353                 }
9354         }
9355         else {
9356                 /* For eeprom, set pagesize to maximum eeprom size */
9357                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9358
9359                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9360                 tw32(NVRAM_CFG1, nvcfg1);
9361         }
9362 }
9363
9364 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9365 {
9366         u32 nvcfg1;
9367
9368         nvcfg1 = tr32(NVRAM_CFG1);
9369
9370         /* NVRAM protection for TPM */
9371         if (nvcfg1 & (1 << 27))
9372                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9373
9374         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9375                 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9376                 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9377                         tp->nvram_jedecnum = JEDEC_ATMEL;
9378                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9379                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9380
9381                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9382                         tw32(NVRAM_CFG1, nvcfg1);
9383                         break;
9384                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9385                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9386                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9387                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9388                 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9389                         tp->nvram_jedecnum = JEDEC_ATMEL;
9390                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9391                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9392                         tp->nvram_pagesize = 264;
9393                         break;
9394                 case FLASH_5752VENDOR_ST_M45PE10:
9395                 case FLASH_5752VENDOR_ST_M45PE20:
9396                 case FLASH_5752VENDOR_ST_M45PE40:
9397                         tp->nvram_jedecnum = JEDEC_ST;
9398                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9399                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9400                         tp->nvram_pagesize = 256;
9401                         break;
9402         }
9403 }
9404
9405 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9406 {
9407         u32 nvcfg1;
9408
9409         nvcfg1 = tr32(NVRAM_CFG1);
9410
9411         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9412                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9413                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9414                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9415                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9416                         tp->nvram_jedecnum = JEDEC_ATMEL;
9417                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9418                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9419
9420                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9421                         tw32(NVRAM_CFG1, nvcfg1);
9422                         break;
9423                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9424                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9425                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9426                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9427                         tp->nvram_jedecnum = JEDEC_ATMEL;
9428                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9429                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9430                         tp->nvram_pagesize = 264;
9431                         break;
9432                 case FLASH_5752VENDOR_ST_M45PE10:
9433                 case FLASH_5752VENDOR_ST_M45PE20:
9434                 case FLASH_5752VENDOR_ST_M45PE40:
9435                         tp->nvram_jedecnum = JEDEC_ST;
9436                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9437                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9438                         tp->nvram_pagesize = 256;
9439                         break;
9440         }
9441 }
9442
9443 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9444 {
9445         tp->nvram_jedecnum = JEDEC_ATMEL;
9446         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9447         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9448 }
9449
9450 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9451 static void __devinit tg3_nvram_init(struct tg3 *tp)
9452 {
9453         int j;
9454
9455         tw32_f(GRC_EEPROM_ADDR,
9456              (EEPROM_ADDR_FSM_RESET |
9457               (EEPROM_DEFAULT_CLOCK_PERIOD <<
9458                EEPROM_ADDR_CLKPERD_SHIFT)));
9459
9460         /* XXX schedule_timeout() ... */
9461         for (j = 0; j < 100; j++)
9462                 udelay(10);
9463
9464         /* Enable seeprom accesses. */
9465         tw32_f(GRC_LOCAL_CTRL,
9466              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9467         udelay(100);
9468
9469         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9470             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9471                 tp->tg3_flags |= TG3_FLAG_NVRAM;
9472
9473                 if (tg3_nvram_lock(tp)) {
9474                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9475                                "tg3_nvram_init failed.\n", tp->dev->name);
9476                         return;
9477                 }
9478                 tg3_enable_nvram_access(tp);
9479
9480                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9481                         tg3_get_5752_nvram_info(tp);
9482                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9483                         tg3_get_5755_nvram_info(tp);
9484                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9485                         tg3_get_5787_nvram_info(tp);
9486                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9487                         tg3_get_5906_nvram_info(tp);
9488                 else
9489                         tg3_get_nvram_info(tp);
9490
9491                 tg3_get_nvram_size(tp);
9492
9493                 tg3_disable_nvram_access(tp);
9494                 tg3_nvram_unlock(tp);
9495
9496         } else {
9497                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9498
9499                 tg3_get_eeprom_size(tp);
9500         }
9501 }
9502
9503 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9504                                         u32 offset, u32 *val)
9505 {
9506         u32 tmp;
9507         int i;
9508
9509         if (offset > EEPROM_ADDR_ADDR_MASK ||
9510             (offset % 4) != 0)
9511                 return -EINVAL;
9512
9513         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9514                                         EEPROM_ADDR_DEVID_MASK |
9515                                         EEPROM_ADDR_READ);
9516         tw32(GRC_EEPROM_ADDR,
9517              tmp |
9518              (0 << EEPROM_ADDR_DEVID_SHIFT) |
9519              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9520               EEPROM_ADDR_ADDR_MASK) |
9521              EEPROM_ADDR_READ | EEPROM_ADDR_START);
9522
9523         for (i = 0; i < 10000; i++) {
9524                 tmp = tr32(GRC_EEPROM_ADDR);
9525
9526                 if (tmp & EEPROM_ADDR_COMPLETE)
9527                         break;
9528                 udelay(100);
9529         }
9530         if (!(tmp & EEPROM_ADDR_COMPLETE))
9531                 return -EBUSY;
9532
9533         *val = tr32(GRC_EEPROM_DATA);
9534         return 0;
9535 }
9536
9537 #define NVRAM_CMD_TIMEOUT 10000
9538
9539 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9540 {
9541         int i;
9542
9543         tw32(NVRAM_CMD, nvram_cmd);
9544         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9545                 udelay(10);
9546                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9547                         udelay(10);
9548                         break;
9549                 }
9550         }
9551         if (i == NVRAM_CMD_TIMEOUT) {
9552                 return -EBUSY;
9553         }
9554         return 0;
9555 }
9556
9557 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9558 {
9559         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9560             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9561             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9562             (tp->nvram_jedecnum == JEDEC_ATMEL))
9563
9564                 addr = ((addr / tp->nvram_pagesize) <<
9565                         ATMEL_AT45DB0X1B_PAGE_POS) +
9566                        (addr % tp->nvram_pagesize);
9567
9568         return addr;
9569 }
9570
9571 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9572 {
9573         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9574             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9575             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9576             (tp->nvram_jedecnum == JEDEC_ATMEL))
9577
9578                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9579                         tp->nvram_pagesize) +
9580                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9581
9582         return addr;
9583 }
9584
9585 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9586 {
9587         int ret;
9588
9589         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9590                 return tg3_nvram_read_using_eeprom(tp, offset, val);
9591
9592         offset = tg3_nvram_phys_addr(tp, offset);
9593
9594         if (offset > NVRAM_ADDR_MSK)
9595                 return -EINVAL;
9596
9597         ret = tg3_nvram_lock(tp);
9598         if (ret)
9599                 return ret;
9600
9601         tg3_enable_nvram_access(tp);
9602
9603         tw32(NVRAM_ADDR, offset);
9604         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9605                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9606
9607         if (ret == 0)
9608                 *val = swab32(tr32(NVRAM_RDDATA));
9609
9610         tg3_disable_nvram_access(tp);
9611
9612         tg3_nvram_unlock(tp);
9613
9614         return ret;
9615 }
9616
9617 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9618 {
9619         int err;
9620         u32 tmp;
9621
9622         err = tg3_nvram_read(tp, offset, &tmp);
9623         *val = swab32(tmp);
9624         return err;
9625 }
9626
9627 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9628                                     u32 offset, u32 len, u8 *buf)
9629 {
9630         int i, j, rc = 0;
9631         u32 val;
9632
9633         for (i = 0; i < len; i += 4) {
9634                 u32 addr, data;
9635
9636                 addr = offset + i;
9637
9638                 memcpy(&data, buf + i, 4);
9639
9640                 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9641
9642                 val = tr32(GRC_EEPROM_ADDR);
9643                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9644
9645                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9646                         EEPROM_ADDR_READ);
9647                 tw32(GRC_EEPROM_ADDR, val |
9648                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
9649                         (addr & EEPROM_ADDR_ADDR_MASK) |
9650                         EEPROM_ADDR_START |
9651                         EEPROM_ADDR_WRITE);
9652
9653                 for (j = 0; j < 10000; j++) {
9654                         val = tr32(GRC_EEPROM_ADDR);
9655
9656                         if (val & EEPROM_ADDR_COMPLETE)
9657                                 break;
9658                         udelay(100);
9659                 }
9660                 if (!(val & EEPROM_ADDR_COMPLETE)) {
9661                         rc = -EBUSY;
9662                         break;
9663                 }
9664         }
9665
9666         return rc;
9667 }
9668
9669 /* offset and length are dword aligned */
9670 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9671                 u8 *buf)
9672 {
9673         int ret = 0;
9674         u32 pagesize = tp->nvram_pagesize;
9675         u32 pagemask = pagesize - 1;
9676         u32 nvram_cmd;
9677         u8 *tmp;
9678
9679         tmp = kmalloc(pagesize, GFP_KERNEL);
9680         if (tmp == NULL)
9681                 return -ENOMEM;
9682
9683         while (len) {
9684                 int j;
9685                 u32 phy_addr, page_off, size;
9686
9687                 phy_addr = offset & ~pagemask;
9688
9689                 for (j = 0; j < pagesize; j += 4) {
9690                         if ((ret = tg3_nvram_read(tp, phy_addr + j,
9691                                                 (u32 *) (tmp + j))))
9692                                 break;
9693                 }
9694                 if (ret)
9695                         break;
9696
9697                 page_off = offset & pagemask;
9698                 size = pagesize;
9699                 if (len < size)
9700                         size = len;
9701
9702                 len -= size;
9703
9704                 memcpy(tmp + page_off, buf, size);
9705
9706                 offset = offset + (pagesize - page_off);
9707
9708                 tg3_enable_nvram_access(tp);
9709
9710                 /*
9711                  * Before we can erase the flash page, we need
9712                  * to issue a special "write enable" command.
9713                  */
9714                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9715
9716                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9717                         break;
9718
9719                 /* Erase the target page */
9720                 tw32(NVRAM_ADDR, phy_addr);
9721
9722                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9723                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9724
9725                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9726                         break;
9727
9728                 /* Issue another write enable to start the write. */
9729                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9730
9731                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9732                         break;
9733
9734                 for (j = 0; j < pagesize; j += 4) {
9735                         u32 data;
9736
9737                         data = *((u32 *) (tmp + j));
9738                         tw32(NVRAM_WRDATA, cpu_to_be32(data));
9739
9740                         tw32(NVRAM_ADDR, phy_addr + j);
9741
9742                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9743                                 NVRAM_CMD_WR;
9744
9745                         if (j == 0)
9746                                 nvram_cmd |= NVRAM_CMD_FIRST;
9747                         else if (j == (pagesize - 4))
9748                                 nvram_cmd |= NVRAM_CMD_LAST;
9749
9750                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9751                                 break;
9752                 }
9753                 if (ret)
9754                         break;
9755         }
9756
9757         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9758         tg3_nvram_exec_cmd(tp, nvram_cmd);
9759
9760         kfree(tmp);
9761
9762         return ret;
9763 }
9764
9765 /* offset and length are dword aligned */
9766 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9767                 u8 *buf)
9768 {
9769         int i, ret = 0;
9770
9771         for (i = 0; i < len; i += 4, offset += 4) {
9772                 u32 data, page_off, phy_addr, nvram_cmd;
9773
9774                 memcpy(&data, buf + i, 4);
9775                 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9776
9777                 page_off = offset % tp->nvram_pagesize;
9778
9779                 phy_addr = tg3_nvram_phys_addr(tp, offset);
9780
9781                 tw32(NVRAM_ADDR, phy_addr);
9782
9783                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9784
9785                 if ((page_off == 0) || (i == 0))
9786                         nvram_cmd |= NVRAM_CMD_FIRST;
9787                 if (page_off == (tp->nvram_pagesize - 4))
9788                         nvram_cmd |= NVRAM_CMD_LAST;
9789
9790                 if (i == (len - 4))
9791                         nvram_cmd |= NVRAM_CMD_LAST;
9792
9793                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
9794                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
9795                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
9796                     (tp->nvram_jedecnum == JEDEC_ST) &&
9797                     (nvram_cmd & NVRAM_CMD_FIRST)) {
9798
9799                         if ((ret = tg3_nvram_exec_cmd(tp,
9800                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9801                                 NVRAM_CMD_DONE)))
9802
9803                                 break;
9804                 }
9805                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9806                         /* We always do complete word writes to eeprom. */
9807                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9808                 }
9809
9810                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9811                         break;
9812         }
9813         return ret;
9814 }
9815
9816 /* offset and length are dword aligned */
9817 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9818 {
9819         int ret;
9820
9821         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9822                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9823                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
9824                 udelay(40);
9825         }
9826
9827         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9828                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9829         }
9830         else {
9831                 u32 grc_mode;
9832
9833                 ret = tg3_nvram_lock(tp);
9834                 if (ret)
9835                         return ret;
9836
9837                 tg3_enable_nvram_access(tp);
9838                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9839                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
9840                         tw32(NVRAM_WRITE1, 0x406);
9841
9842                 grc_mode = tr32(GRC_MODE);
9843                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9844
9845                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9846                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9847
9848                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
9849                                 buf);
9850                 }
9851                 else {
9852                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9853                                 buf);
9854                 }
9855
9856                 grc_mode = tr32(GRC_MODE);
9857                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9858
9859                 tg3_disable_nvram_access(tp);
9860                 tg3_nvram_unlock(tp);
9861         }
9862
9863         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9864                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
9865                 udelay(40);
9866         }
9867
9868         return ret;
9869 }
9870
9871 struct subsys_tbl_ent {
9872         u16 subsys_vendor, subsys_devid;
9873         u32 phy_id;
9874 };
9875
9876 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9877         /* Broadcom boards. */
9878         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9879         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9880         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9881         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
9882         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9883         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9884         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
9885         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9886         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9887         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9888         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9889
9890         /* 3com boards. */
9891         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9892         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9893         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
9894         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9895         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9896
9897         /* DELL boards. */
9898         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9899         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9900         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9901         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9902
9903         /* Compaq boards. */
9904         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9905         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9906         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
9907         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9908         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9909
9910         /* IBM boards. */
9911         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9912 };
9913
9914 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9915 {
9916         int i;
9917
9918         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9919                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9920                      tp->pdev->subsystem_vendor) &&
9921                     (subsys_id_to_phy_id[i].subsys_devid ==
9922                      tp->pdev->subsystem_device))
9923                         return &subsys_id_to_phy_id[i];
9924         }
9925         return NULL;
9926 }
9927
9928 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
9929 {
9930         u32 val;
9931         u16 pmcsr;
9932
9933         /* On some early chips the SRAM cannot be accessed in D3hot state,
9934          * so need make sure we're in D0.
9935          */
9936         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9937         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9938         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9939         msleep(1);
9940
9941         /* Make sure register accesses (indirect or otherwise)
9942          * will function correctly.
9943          */
9944         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9945                                tp->misc_host_ctrl);
9946
9947         /* The memory arbiter has to be enabled in order for SRAM accesses
9948          * to succeed.  Normally on powerup the tg3 chip firmware will make
9949          * sure it is enabled, but other entities such as system netboot
9950          * code might disable it.
9951          */
9952         val = tr32(MEMARB_MODE);
9953         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9954
9955         tp->phy_id = PHY_ID_INVALID;
9956         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9957
9958         /* Assume an onboard device by default.  */
9959         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9960
9961         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9962                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM))
9963                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9964                 return;
9965         }
9966
9967         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9968         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9969                 u32 nic_cfg, led_cfg;
9970                 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9971                 int eeprom_phy_serdes = 0;
9972
9973                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9974                 tp->nic_sram_data_cfg = nic_cfg;
9975
9976                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9977                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9978                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9979                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9980                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9981                     (ver > 0) && (ver < 0x100))
9982                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
9983
9984                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
9985                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
9986                         eeprom_phy_serdes = 1;
9987
9988                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
9989                 if (nic_phy_id != 0) {
9990                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
9991                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
9992
9993                         eeprom_phy_id  = (id1 >> 16) << 10;
9994                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
9995                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
9996                 } else
9997                         eeprom_phy_id = 0;
9998
9999                 tp->phy_id = eeprom_phy_id;
10000                 if (eeprom_phy_serdes) {
10001                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10002                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10003                         else
10004                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10005                 }
10006
10007                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10008                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10009                                     SHASTA_EXT_LED_MODE_MASK);
10010                 else
10011                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10012
10013                 switch (led_cfg) {
10014                 default:
10015                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10016                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10017                         break;
10018
10019                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10020                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10021                         break;
10022
10023                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10024                         tp->led_ctrl = LED_CTRL_MODE_MAC;
10025
10026                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10027                          * read on some older 5700/5701 bootcode.
10028                          */
10029                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10030                             ASIC_REV_5700 ||
10031                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
10032                             ASIC_REV_5701)
10033                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10034
10035                         break;
10036
10037                 case SHASTA_EXT_LED_SHARED:
10038                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
10039                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10040                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10041                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10042                                                  LED_CTRL_MODE_PHY_2);
10043                         break;
10044
10045                 case SHASTA_EXT_LED_MAC:
10046                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10047                         break;
10048
10049                 case SHASTA_EXT_LED_COMBO:
10050                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
10051                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10052                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10053                                                  LED_CTRL_MODE_PHY_2);
10054                         break;
10055
10056                 };
10057
10058                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10059                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10060                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10061                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10062
10063                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)
10064                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10065                 else
10066                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10067
10068                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10069                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10070                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10071                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10072                 }
10073                 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10074                         tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10075
10076                 if (cfg2 & (1 << 17))
10077                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10078
10079                 /* serdes signal pre-emphasis in register 0x590 set by */
10080                 /* bootcode if bit 18 is set */
10081                 if (cfg2 & (1 << 18))
10082                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10083         }
10084 }
10085
10086 static int __devinit tg3_phy_probe(struct tg3 *tp)
10087 {
10088         u32 hw_phy_id_1, hw_phy_id_2;
10089         u32 hw_phy_id, hw_phy_id_masked;
10090         int err;
10091
10092         /* Reading the PHY ID register can conflict with ASF
10093          * firwmare access to the PHY hardware.
10094          */
10095         err = 0;
10096         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10097                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10098         } else {
10099                 /* Now read the physical PHY_ID from the chip and verify
10100                  * that it is sane.  If it doesn't look good, we fall back
10101                  * to either the hard-coded table based PHY_ID and failing
10102                  * that the value found in the eeprom area.
10103                  */
10104                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10105                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10106
10107                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
10108                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10109                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
10110
10111                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10112         }
10113
10114         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10115                 tp->phy_id = hw_phy_id;
10116                 if (hw_phy_id_masked == PHY_ID_BCM8002)
10117                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10118                 else
10119                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10120         } else {
10121                 if (tp->phy_id != PHY_ID_INVALID) {
10122                         /* Do nothing, phy ID already set up in
10123                          * tg3_get_eeprom_hw_cfg().
10124                          */
10125                 } else {
10126                         struct subsys_tbl_ent *p;
10127
10128                         /* No eeprom signature?  Try the hardcoded
10129                          * subsys device table.
10130                          */
10131                         p = lookup_by_subsys(tp);
10132                         if (!p)
10133                                 return -ENODEV;
10134
10135                         tp->phy_id = p->phy_id;
10136                         if (!tp->phy_id ||
10137                             tp->phy_id == PHY_ID_BCM8002)
10138                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10139                 }
10140         }
10141
10142         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10143             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10144                 u32 bmsr, adv_reg, tg3_ctrl;
10145
10146                 tg3_readphy(tp, MII_BMSR, &bmsr);
10147                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10148                     (bmsr & BMSR_LSTATUS))
10149                         goto skip_phy_reset;
10150
10151                 err = tg3_phy_reset(tp);
10152                 if (err)
10153                         return err;
10154
10155                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10156                            ADVERTISE_100HALF | ADVERTISE_100FULL |
10157                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10158                 tg3_ctrl = 0;
10159                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10160                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10161                                     MII_TG3_CTRL_ADV_1000_FULL);
10162                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10163                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10164                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10165                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
10166                 }
10167
10168                 if (!tg3_copper_is_advertising_all(tp)) {
10169                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10170
10171                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10172                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10173
10174                         tg3_writephy(tp, MII_BMCR,
10175                                      BMCR_ANENABLE | BMCR_ANRESTART);
10176                 }
10177                 tg3_phy_set_wirespeed(tp);
10178
10179                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10180                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10181                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10182         }
10183
10184 skip_phy_reset:
10185         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10186                 err = tg3_init_5401phy_dsp(tp);
10187                 if (err)
10188                         return err;
10189         }
10190
10191         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10192                 err = tg3_init_5401phy_dsp(tp);
10193         }
10194
10195         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10196                 tp->link_config.advertising =
10197                         (ADVERTISED_1000baseT_Half |
10198                          ADVERTISED_1000baseT_Full |
10199                          ADVERTISED_Autoneg |
10200                          ADVERTISED_FIBRE);
10201         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10202                 tp->link_config.advertising &=
10203                         ~(ADVERTISED_1000baseT_Half |
10204                           ADVERTISED_1000baseT_Full);
10205
10206         return err;
10207 }
10208
10209 static void __devinit tg3_read_partno(struct tg3 *tp)
10210 {
10211         unsigned char vpd_data[256];
10212         int i;
10213         u32 magic;
10214
10215         if (tg3_nvram_read_swab(tp, 0x0, &magic))
10216                 goto out_not_found;
10217
10218         if (magic == TG3_EEPROM_MAGIC) {
10219                 for (i = 0; i < 256; i += 4) {
10220                         u32 tmp;
10221
10222                         if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10223                                 goto out_not_found;
10224
10225                         vpd_data[i + 0] = ((tmp >>  0) & 0xff);
10226                         vpd_data[i + 1] = ((tmp >>  8) & 0xff);
10227                         vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10228                         vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10229                 }
10230         } else {
10231                 int vpd_cap;
10232
10233                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10234                 for (i = 0; i < 256; i += 4) {
10235                         u32 tmp, j = 0;
10236                         u16 tmp16;
10237
10238                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10239                                               i);
10240                         while (j++ < 100) {
10241                                 pci_read_config_word(tp->pdev, vpd_cap +
10242                                                      PCI_VPD_ADDR, &tmp16);
10243                                 if (tmp16 & 0x8000)
10244                                         break;
10245                                 msleep(1);
10246                         }
10247                         if (!(tmp16 & 0x8000))
10248                                 goto out_not_found;
10249
10250                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10251                                               &tmp);
10252                         tmp = cpu_to_le32(tmp);
10253                         memcpy(&vpd_data[i], &tmp, 4);
10254                 }
10255         }
10256
10257         /* Now parse and find the part number. */
10258         for (i = 0; i < 256; ) {
10259                 unsigned char val = vpd_data[i];
10260                 int block_end;
10261
10262                 if (val == 0x82 || val == 0x91) {
10263                         i = (i + 3 +
10264                              (vpd_data[i + 1] +
10265                               (vpd_data[i + 2] << 8)));
10266                         continue;
10267                 }
10268
10269                 if (val != 0x90)
10270                         goto out_not_found;
10271
10272                 block_end = (i + 3 +
10273                              (vpd_data[i + 1] +
10274                               (vpd_data[i + 2] << 8)));
10275                 i += 3;
10276                 while (i < block_end) {
10277                         if (vpd_data[i + 0] == 'P' &&
10278                             vpd_data[i + 1] == 'N') {
10279                                 int partno_len = vpd_data[i + 2];
10280
10281                                 if (partno_len > 24)
10282                                         goto out_not_found;
10283
10284                                 memcpy(tp->board_part_number,
10285                                        &vpd_data[i + 3],
10286                                        partno_len);
10287
10288                                 /* Success. */
10289                                 return;
10290                         }
10291                 }
10292
10293                 /* Part number not found. */
10294                 goto out_not_found;
10295         }
10296
10297 out_not_found:
10298         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10299                 strcpy(tp->board_part_number, "BCM95906");
10300         else
10301                 strcpy(tp->board_part_number, "none");
10302 }
10303
10304 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10305 {
10306         u32 val, offset, start;
10307
10308         if (tg3_nvram_read_swab(tp, 0, &val))
10309                 return;
10310
10311         if (val != TG3_EEPROM_MAGIC)
10312                 return;
10313
10314         if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10315             tg3_nvram_read_swab(tp, 0x4, &start))
10316                 return;
10317
10318         offset = tg3_nvram_logical_addr(tp, offset);
10319         if (tg3_nvram_read_swab(tp, offset, &val))
10320                 return;
10321
10322         if ((val & 0xfc000000) == 0x0c000000) {
10323                 u32 ver_offset, addr;
10324                 int i;
10325
10326                 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10327                     tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10328                         return;
10329
10330                 if (val != 0)
10331                         return;
10332
10333                 addr = offset + ver_offset - start;
10334                 for (i = 0; i < 16; i += 4) {
10335                         if (tg3_nvram_read(tp, addr + i, &val))
10336                                 return;
10337
10338                         val = cpu_to_le32(val);
10339                         memcpy(tp->fw_ver + i, &val, 4);
10340                 }
10341         }
10342 }
10343
10344 static int __devinit tg3_get_invariants(struct tg3 *tp)
10345 {
10346         static struct pci_device_id write_reorder_chipsets[] = {
10347                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10348                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10349                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10350                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10351                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10352                              PCI_DEVICE_ID_VIA_8385_0) },
10353                 { },
10354         };
10355         u32 misc_ctrl_reg;
10356         u32 cacheline_sz_reg;
10357         u32 pci_state_reg, grc_misc_cfg;
10358         u32 val;
10359         u16 pci_cmd;
10360         int err;
10361
10362         /* Force memory write invalidate off.  If we leave it on,
10363          * then on 5700_BX chips we have to enable a workaround.
10364          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10365          * to match the cacheline size.  The Broadcom driver have this
10366          * workaround but turns MWI off all the times so never uses
10367          * it.  This seems to suggest that the workaround is insufficient.
10368          */
10369         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10370         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10371         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10372
10373         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10374          * has the register indirect write enable bit set before
10375          * we try to access any of the MMIO registers.  It is also
10376          * critical that the PCI-X hw workaround situation is decided
10377          * before that as well.
10378          */
10379         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10380                               &misc_ctrl_reg);
10381
10382         tp->pci_chip_rev_id = (misc_ctrl_reg >>
10383                                MISC_HOST_CTRL_CHIPREV_SHIFT);
10384
10385         /* Wrong chip ID in 5752 A0. This code can be removed later
10386          * as A0 is not in production.
10387          */
10388         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10389                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10390
10391         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10392          * we need to disable memory and use config. cycles
10393          * only to access all registers. The 5702/03 chips
10394          * can mistakenly decode the special cycles from the
10395          * ICH chipsets as memory write cycles, causing corruption
10396          * of register and memory space. Only certain ICH bridges
10397          * will drive special cycles with non-zero data during the
10398          * address phase which can fall within the 5703's address
10399          * range. This is not an ICH bug as the PCI spec allows
10400          * non-zero address during special cycles. However, only
10401          * these ICH bridges are known to drive non-zero addresses
10402          * during special cycles.
10403          *
10404          * Since special cycles do not cross PCI bridges, we only
10405          * enable this workaround if the 5703 is on the secondary
10406          * bus of these ICH bridges.
10407          */
10408         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10409             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10410                 static struct tg3_dev_id {
10411                         u32     vendor;
10412                         u32     device;
10413                         u32     rev;
10414                 } ich_chipsets[] = {
10415                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10416                           PCI_ANY_ID },
10417                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10418                           PCI_ANY_ID },
10419                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10420                           0xa },
10421                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10422                           PCI_ANY_ID },
10423                         { },
10424                 };
10425                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10426                 struct pci_dev *bridge = NULL;
10427
10428                 while (pci_id->vendor != 0) {
10429                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
10430                                                 bridge);
10431                         if (!bridge) {
10432                                 pci_id++;
10433                                 continue;
10434                         }
10435                         if (pci_id->rev != PCI_ANY_ID) {
10436                                 u8 rev;
10437
10438                                 pci_read_config_byte(bridge, PCI_REVISION_ID,
10439                                                      &rev);
10440                                 if (rev > pci_id->rev)
10441                                         continue;
10442                         }
10443                         if (bridge->subordinate &&
10444                             (bridge->subordinate->number ==
10445                              tp->pdev->bus->number)) {
10446
10447                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10448                                 pci_dev_put(bridge);
10449                                 break;
10450                         }
10451                 }
10452         }
10453
10454         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10455          * DMA addresses > 40-bit. This bridge may have other additional
10456          * 57xx devices behind it in some 4-port NIC designs for example.
10457          * Any tg3 device found behind the bridge will also need the 40-bit
10458          * DMA workaround.
10459          */
10460         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10461             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10462                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10463                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10464                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10465         }
10466         else {
10467                 struct pci_dev *bridge = NULL;
10468
10469                 do {
10470                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10471                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
10472                                                 bridge);
10473                         if (bridge && bridge->subordinate &&
10474                             (bridge->subordinate->number <=
10475                              tp->pdev->bus->number) &&
10476                             (bridge->subordinate->subordinate >=
10477                              tp->pdev->bus->number)) {
10478                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10479                                 pci_dev_put(bridge);
10480                                 break;
10481                         }
10482                 } while (bridge);
10483         }
10484
10485         /* Initialize misc host control in PCI block. */
10486         tp->misc_host_ctrl |= (misc_ctrl_reg &
10487                                MISC_HOST_CTRL_CHIPREV);
10488         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10489                                tp->misc_host_ctrl);
10490
10491         pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10492                               &cacheline_sz_reg);
10493
10494         tp->pci_cacheline_sz = (cacheline_sz_reg >>  0) & 0xff;
10495         tp->pci_lat_timer    = (cacheline_sz_reg >>  8) & 0xff;
10496         tp->pci_hdr_type     = (cacheline_sz_reg >> 16) & 0xff;
10497         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
10498
10499         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10500             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10501             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10502             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10503             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
10504             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10505                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10506
10507         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10508             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10509                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10510
10511         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
10512                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10513                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10514                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10515                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
10516                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
10517                 } else {
10518                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
10519                                           TG3_FLG2_HW_TSO_1_BUG;
10520                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10521                                 ASIC_REV_5750 &&
10522                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10523                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
10524                 }
10525         }
10526
10527         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10528             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
10529             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10530             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
10531             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10532             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10533                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10534
10535         if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
10536                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
10537
10538         /* If we have an AMD 762 or VIA K8T800 chipset, write
10539          * reordering to the mailbox registers done by the host
10540          * controller can cause major troubles.  We read back from
10541          * every mailbox register write to force the writes to be
10542          * posted to the chip in order.
10543          */
10544         if (pci_dev_present(write_reorder_chipsets) &&
10545             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10546                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10547
10548         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10549             tp->pci_lat_timer < 64) {
10550                 tp->pci_lat_timer = 64;
10551
10552                 cacheline_sz_reg  = ((tp->pci_cacheline_sz & 0xff) <<  0);
10553                 cacheline_sz_reg |= ((tp->pci_lat_timer    & 0xff) <<  8);
10554                 cacheline_sz_reg |= ((tp->pci_hdr_type     & 0xff) << 16);
10555                 cacheline_sz_reg |= ((tp->pci_bist         & 0xff) << 24);
10556
10557                 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10558                                        cacheline_sz_reg);
10559         }
10560
10561         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10562                               &pci_state_reg);
10563
10564         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10565                 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10566
10567                 /* If this is a 5700 BX chipset, and we are in PCI-X
10568                  * mode, enable register write workaround.
10569                  *
10570                  * The workaround is to use indirect register accesses
10571                  * for all chip writes not to mailbox registers.
10572                  */
10573                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10574                         u32 pm_reg;
10575                         u16 pci_cmd;
10576
10577                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10578
10579                         /* The chip can have it's power management PCI config
10580                          * space registers clobbered due to this bug.
10581                          * So explicitly force the chip into D0 here.
10582                          */
10583                         pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10584                                               &pm_reg);
10585                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10586                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10587                         pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10588                                                pm_reg);
10589
10590                         /* Also, force SERR#/PERR# in PCI command. */
10591                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10592                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10593                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10594                 }
10595         }
10596
10597         /* 5700 BX chips need to have their TX producer index mailboxes
10598          * written twice to workaround a bug.
10599          */
10600         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10601                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10602
10603         /* Back to back register writes can cause problems on this chip,
10604          * the workaround is to read back all reg writes except those to
10605          * mailbox regs.  See tg3_write_indirect_reg32().
10606          *
10607          * PCI Express 5750_A0 rev chips need this workaround too.
10608          */
10609         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10610             ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10611              tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10612                 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10613
10614         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10615                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10616         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10617                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10618
10619         /* Chip-specific fixup from Broadcom driver */
10620         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10621             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10622                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10623                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10624         }
10625
10626         /* Default fast path register access methods */
10627         tp->read32 = tg3_read32;
10628         tp->write32 = tg3_write32;
10629         tp->read32_mbox = tg3_read32;
10630         tp->write32_mbox = tg3_write32;
10631         tp->write32_tx_mbox = tg3_write32;
10632         tp->write32_rx_mbox = tg3_write32;
10633
10634         /* Various workaround register access methods */
10635         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10636                 tp->write32 = tg3_write_indirect_reg32;
10637         else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10638                 tp->write32 = tg3_write_flush_reg32;
10639
10640         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10641             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10642                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10643                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10644                         tp->write32_rx_mbox = tg3_write_flush_reg32;
10645         }
10646
10647         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10648                 tp->read32 = tg3_read_indirect_reg32;
10649                 tp->write32 = tg3_write_indirect_reg32;
10650                 tp->read32_mbox = tg3_read_indirect_mbox;
10651                 tp->write32_mbox = tg3_write_indirect_mbox;
10652                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10653                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10654
10655                 iounmap(tp->regs);
10656                 tp->regs = NULL;
10657
10658                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10659                 pci_cmd &= ~PCI_COMMAND_MEMORY;
10660                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10661         }
10662         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10663                 tp->read32_mbox = tg3_read32_mbox_5906;
10664                 tp->write32_mbox = tg3_write32_mbox_5906;
10665                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10666                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10667         }
10668
10669         if (tp->write32 == tg3_write_indirect_reg32 ||
10670             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10671              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10672               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
10673                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10674
10675         /* Get eeprom hw config before calling tg3_set_power_state().
10676          * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
10677          * determined before calling tg3_set_power_state() so that
10678          * we know whether or not to switch out of Vaux power.
10679          * When the flag is set, it means that GPIO1 is used for eeprom
10680          * write protect and also implies that it is a LOM where GPIOs
10681          * are not used to switch power.
10682          */
10683         tg3_get_eeprom_hw_cfg(tp);
10684
10685         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10686          * GPIO1 driven high will bring 5700's external PHY out of reset.
10687          * It is also used as eeprom write protect on LOMs.
10688          */
10689         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10690         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10691             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10692                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10693                                        GRC_LCLCTRL_GPIO_OUTPUT1);
10694         /* Unused GPIO3 must be driven as output on 5752 because there
10695          * are no pull-up resistors on unused GPIO pins.
10696          */
10697         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10698                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
10699
10700         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10701                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10702
10703         /* Force the chip into D0. */
10704         err = tg3_set_power_state(tp, PCI_D0);
10705         if (err) {
10706                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10707                        pci_name(tp->pdev));
10708                 return err;
10709         }
10710
10711         /* 5700 B0 chips do not support checksumming correctly due
10712          * to hardware bugs.
10713          */
10714         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10715                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10716
10717         /* Derive initial jumbo mode from MTU assigned in
10718          * ether_setup() via the alloc_etherdev() call
10719          */
10720         if (tp->dev->mtu > ETH_DATA_LEN &&
10721             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10722                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
10723
10724         /* Determine WakeOnLan speed to use. */
10725         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10726             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10727             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10728             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10729                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10730         } else {
10731                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10732         }
10733
10734         /* A few boards don't want Ethernet@WireSpeed phy feature */
10735         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10736             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10737              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
10738              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
10739             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
10740             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
10741                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10742
10743         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10744             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10745                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10746         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10747                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10748
10749         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10750                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10751                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
10752                         tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
10753                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10754                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10755         }
10756
10757         tp->coalesce_mode = 0;
10758         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10759             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10760                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10761
10762         /* Initialize MAC MI mode, polling disabled. */
10763         tw32_f(MAC_MI_MODE, tp->mi_mode);
10764         udelay(80);
10765
10766         /* Initialize data/descriptor byte/word swapping. */
10767         val = tr32(GRC_MODE);
10768         val &= GRC_MODE_HOST_STACKUP;
10769         tw32(GRC_MODE, val | tp->grc_mode);
10770
10771         tg3_switch_clocks(tp);
10772
10773         /* Clear this out for sanity. */
10774         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10775
10776         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10777                               &pci_state_reg);
10778         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10779             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10780                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10781
10782                 if (chiprevid == CHIPREV_ID_5701_A0 ||
10783                     chiprevid == CHIPREV_ID_5701_B0 ||
10784                     chiprevid == CHIPREV_ID_5701_B2 ||
10785                     chiprevid == CHIPREV_ID_5701_B5) {
10786                         void __iomem *sram_base;
10787
10788                         /* Write some dummy words into the SRAM status block
10789                          * area, see if it reads back correctly.  If the return
10790                          * value is bad, force enable the PCIX workaround.
10791                          */
10792                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10793
10794                         writel(0x00000000, sram_base);
10795                         writel(0x00000000, sram_base + 4);
10796                         writel(0xffffffff, sram_base + 4);
10797                         if (readl(sram_base) != 0x00000000)
10798                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10799                 }
10800         }
10801
10802         udelay(50);
10803         tg3_nvram_init(tp);
10804
10805         grc_misc_cfg = tr32(GRC_MISC_CFG);
10806         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10807
10808         /* Broadcom's driver says that CIOBE multisplit has a bug */
10809 #if 0
10810         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10811             grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10812                 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10813                 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10814         }
10815 #endif
10816         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10817             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10818              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10819                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10820
10821         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10822             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10823                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10824         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10825                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10826                                       HOSTCC_MODE_CLRTICK_TXBD);
10827
10828                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10829                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10830                                        tp->misc_host_ctrl);
10831         }
10832
10833         /* these are limited to 10/100 only */
10834         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10835              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10836             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10837              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10838              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10839               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10840               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10841             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10842              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
10843               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)) ||
10844             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10845                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10846
10847         err = tg3_phy_probe(tp);
10848         if (err) {
10849                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10850                        pci_name(tp->pdev), err);
10851                 /* ... but do not return immediately ... */
10852         }
10853
10854         tg3_read_partno(tp);
10855         tg3_read_fw_ver(tp);
10856
10857         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10858                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10859         } else {
10860                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10861                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10862                 else
10863                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10864         }
10865
10866         /* 5700 {AX,BX} chips have a broken status block link
10867          * change bit implementation, so we must use the
10868          * status register in those cases.
10869          */
10870         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10871                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10872         else
10873                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10874
10875         /* The led_ctrl is set during tg3_phy_probe, here we might
10876          * have to force the link status polling mechanism based
10877          * upon subsystem IDs.
10878          */
10879         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10880             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10881                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10882                                   TG3_FLAG_USE_LINKCHG_REG);
10883         }
10884
10885         /* For all SERDES we poll the MAC status register. */
10886         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10887                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10888         else
10889                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10890
10891         /* All chips before 5787 can get confused if TX buffers
10892          * straddle the 4GB address boundary in some cases.
10893          */
10894         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10895             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10896             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10897                 tp->dev->hard_start_xmit = tg3_start_xmit;
10898         else
10899                 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
10900
10901         tp->rx_offset = 2;
10902         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10903             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10904                 tp->rx_offset = 0;
10905
10906         tp->rx_std_max_post = TG3_RX_RING_SIZE;
10907
10908         /* Increment the rx prod index on the rx std ring by at most
10909          * 8 for these chips to workaround hw errata.
10910          */
10911         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10912             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10913             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10914                 tp->rx_std_max_post = 8;
10915
10916         /* By default, disable wake-on-lan.  User can change this
10917          * using ETHTOOL_SWOL.
10918          */
10919         tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10920
10921         return err;
10922 }
10923
10924 #ifdef CONFIG_SPARC64
10925 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10926 {
10927         struct net_device *dev = tp->dev;
10928         struct pci_dev *pdev = tp->pdev;
10929         struct pcidev_cookie *pcp = pdev->sysdata;
10930
10931         if (pcp != NULL) {
10932                 unsigned char *addr;
10933                 int len;
10934
10935                 addr = of_get_property(pcp->prom_node, "local-mac-address",
10936                                         &len);
10937                 if (addr && len == 6) {
10938                         memcpy(dev->dev_addr, addr, 6);
10939                         memcpy(dev->perm_addr, dev->dev_addr, 6);
10940                         return 0;
10941                 }
10942         }
10943         return -ENODEV;
10944 }
10945
10946 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
10947 {
10948         struct net_device *dev = tp->dev;
10949
10950         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
10951         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
10952         return 0;
10953 }
10954 #endif
10955
10956 static int __devinit tg3_get_device_address(struct tg3 *tp)
10957 {
10958         struct net_device *dev = tp->dev;
10959         u32 hi, lo, mac_offset;
10960         int addr_ok = 0;
10961
10962 #ifdef CONFIG_SPARC64
10963         if (!tg3_get_macaddr_sparc(tp))
10964                 return 0;
10965 #endif
10966
10967         mac_offset = 0x7c;
10968         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10969             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10970                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
10971                         mac_offset = 0xcc;
10972                 if (tg3_nvram_lock(tp))
10973                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
10974                 else
10975                         tg3_nvram_unlock(tp);
10976         }
10977         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10978                 mac_offset = 0x10;
10979
10980         /* First try to get it from MAC address mailbox. */
10981         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
10982         if ((hi >> 16) == 0x484b) {
10983                 dev->dev_addr[0] = (hi >>  8) & 0xff;
10984                 dev->dev_addr[1] = (hi >>  0) & 0xff;
10985
10986                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
10987                 dev->dev_addr[2] = (lo >> 24) & 0xff;
10988                 dev->dev_addr[3] = (lo >> 16) & 0xff;
10989                 dev->dev_addr[4] = (lo >>  8) & 0xff;
10990                 dev->dev_addr[5] = (lo >>  0) & 0xff;
10991
10992                 /* Some old bootcode may report a 0 MAC address in SRAM */
10993                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
10994         }
10995         if (!addr_ok) {
10996                 /* Next, try NVRAM. */
10997                 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
10998                     !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
10999                         dev->dev_addr[0] = ((hi >> 16) & 0xff);
11000                         dev->dev_addr[1] = ((hi >> 24) & 0xff);
11001                         dev->dev_addr[2] = ((lo >>  0) & 0xff);
11002                         dev->dev_addr[3] = ((lo >>  8) & 0xff);
11003                         dev->dev_addr[4] = ((lo >> 16) & 0xff);
11004                         dev->dev_addr[5] = ((lo >> 24) & 0xff);
11005                 }
11006                 /* Finally just fetch it out of the MAC control regs. */
11007                 else {
11008                         hi = tr32(MAC_ADDR_0_HIGH);
11009                         lo = tr32(MAC_ADDR_0_LOW);
11010
11011                         dev->dev_addr[5] = lo & 0xff;
11012                         dev->dev_addr[4] = (lo >> 8) & 0xff;
11013                         dev->dev_addr[3] = (lo >> 16) & 0xff;
11014                         dev->dev_addr[2] = (lo >> 24) & 0xff;
11015                         dev->dev_addr[1] = hi & 0xff;
11016                         dev->dev_addr[0] = (hi >> 8) & 0xff;
11017                 }
11018         }
11019
11020         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11021 #ifdef CONFIG_SPARC64
11022                 if (!tg3_get_default_macaddr_sparc(tp))
11023                         return 0;
11024 #endif
11025                 return -EINVAL;
11026         }
11027         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11028         return 0;
11029 }
11030
11031 #define BOUNDARY_SINGLE_CACHELINE       1
11032 #define BOUNDARY_MULTI_CACHELINE        2
11033
11034 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11035 {
11036         int cacheline_size;
11037         u8 byte;
11038         int goal;
11039
11040         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11041         if (byte == 0)
11042                 cacheline_size = 1024;
11043         else
11044                 cacheline_size = (int) byte * 4;
11045
11046         /* On 5703 and later chips, the boundary bits have no
11047          * effect.
11048          */
11049         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11050             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11051             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11052                 goto out;
11053
11054 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11055         goal = BOUNDARY_MULTI_CACHELINE;
11056 #else
11057 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11058         goal = BOUNDARY_SINGLE_CACHELINE;
11059 #else
11060         goal = 0;
11061 #endif
11062 #endif
11063
11064         if (!goal)
11065                 goto out;
11066
11067         /* PCI controllers on most RISC systems tend to disconnect
11068          * when a device tries to burst across a cache-line boundary.
11069          * Therefore, letting tg3 do so just wastes PCI bandwidth.
11070          *
11071          * Unfortunately, for PCI-E there are only limited
11072          * write-side controls for this, and thus for reads
11073          * we will still get the disconnects.  We'll also waste
11074          * these PCI cycles for both read and write for chips
11075          * other than 5700 and 5701 which do not implement the
11076          * boundary bits.
11077          */
11078         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11079             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11080                 switch (cacheline_size) {
11081                 case 16:
11082                 case 32:
11083                 case 64:
11084                 case 128:
11085                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11086                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11087                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11088                         } else {
11089                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11090                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11091                         }
11092                         break;
11093
11094                 case 256:
11095                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11096                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11097                         break;
11098
11099                 default:
11100                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11101                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11102                         break;
11103                 };
11104         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11105                 switch (cacheline_size) {
11106                 case 16:
11107                 case 32:
11108                 case 64:
11109                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11110                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11111                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11112                                 break;
11113                         }
11114                         /* fallthrough */
11115                 case 128:
11116                 default:
11117                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11118                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11119                         break;
11120                 };
11121         } else {
11122                 switch (cacheline_size) {
11123                 case 16:
11124                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11125                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11126                                         DMA_RWCTRL_WRITE_BNDRY_16);
11127                                 break;
11128                         }
11129                         /* fallthrough */
11130                 case 32:
11131                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11132                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11133                                         DMA_RWCTRL_WRITE_BNDRY_32);
11134                                 break;
11135                         }
11136                         /* fallthrough */
11137                 case 64:
11138                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11139                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11140                                         DMA_RWCTRL_WRITE_BNDRY_64);
11141                                 break;
11142                         }
11143                         /* fallthrough */
11144                 case 128:
11145                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11146                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11147                                         DMA_RWCTRL_WRITE_BNDRY_128);
11148                                 break;
11149                         }
11150                         /* fallthrough */
11151                 case 256:
11152                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
11153                                 DMA_RWCTRL_WRITE_BNDRY_256);
11154                         break;
11155                 case 512:
11156                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
11157                                 DMA_RWCTRL_WRITE_BNDRY_512);
11158                         break;
11159                 case 1024:
11160                 default:
11161                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11162                                 DMA_RWCTRL_WRITE_BNDRY_1024);
11163                         break;
11164                 };
11165         }
11166
11167 out:
11168         return val;
11169 }
11170
11171 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11172 {
11173         struct tg3_internal_buffer_desc test_desc;
11174         u32 sram_dma_descs;
11175         int i, ret;
11176
11177         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11178
11179         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11180         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11181         tw32(RDMAC_STATUS, 0);
11182         tw32(WDMAC_STATUS, 0);
11183
11184         tw32(BUFMGR_MODE, 0);
11185         tw32(FTQ_RESET, 0);
11186
11187         test_desc.addr_hi = ((u64) buf_dma) >> 32;
11188         test_desc.addr_lo = buf_dma & 0xffffffff;
11189         test_desc.nic_mbuf = 0x00002100;
11190         test_desc.len = size;
11191
11192         /*
11193          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11194          * the *second* time the tg3 driver was getting loaded after an
11195          * initial scan.
11196          *
11197          * Broadcom tells me:
11198          *   ...the DMA engine is connected to the GRC block and a DMA
11199          *   reset may affect the GRC block in some unpredictable way...
11200          *   The behavior of resets to individual blocks has not been tested.
11201          *
11202          * Broadcom noted the GRC reset will also reset all sub-components.
11203          */
11204         if (to_device) {
11205                 test_desc.cqid_sqid = (13 << 8) | 2;
11206
11207                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11208                 udelay(40);
11209         } else {
11210                 test_desc.cqid_sqid = (16 << 8) | 7;
11211
11212                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11213                 udelay(40);
11214         }
11215         test_desc.flags = 0x00000005;
11216
11217         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11218                 u32 val;
11219
11220                 val = *(((u32 *)&test_desc) + i);
11221                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11222                                        sram_dma_descs + (i * sizeof(u32)));
11223                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11224         }
11225         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11226
11227         if (to_device) {
11228                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11229         } else {
11230                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11231         }
11232
11233         ret = -ENODEV;
11234         for (i = 0; i < 40; i++) {
11235                 u32 val;
11236
11237                 if (to_device)
11238                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11239                 else
11240                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11241                 if ((val & 0xffff) == sram_dma_descs) {
11242                         ret = 0;
11243                         break;
11244                 }
11245
11246                 udelay(100);
11247         }
11248
11249         return ret;
11250 }
11251
11252 #define TEST_BUFFER_SIZE        0x2000
11253
11254 static int __devinit tg3_test_dma(struct tg3 *tp)
11255 {
11256         dma_addr_t buf_dma;
11257         u32 *buf, saved_dma_rwctrl;
11258         int ret;
11259
11260         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11261         if (!buf) {
11262                 ret = -ENOMEM;
11263                 goto out_nofree;
11264         }
11265
11266         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11267                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11268
11269         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11270
11271         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11272                 /* DMA read watermark not used on PCIE */
11273                 tp->dma_rwctrl |= 0x00180000;
11274         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11275                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11276                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11277                         tp->dma_rwctrl |= 0x003f0000;
11278                 else
11279                         tp->dma_rwctrl |= 0x003f000f;
11280         } else {
11281                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11282                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11283                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11284
11285                         /* If the 5704 is behind the EPB bridge, we can
11286                          * do the less restrictive ONE_DMA workaround for
11287                          * better performance.
11288                          */
11289                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11290                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11291                                 tp->dma_rwctrl |= 0x8000;
11292                         else if (ccval == 0x6 || ccval == 0x7)
11293                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11294
11295                         /* Set bit 23 to enable PCIX hw bug fix */
11296                         tp->dma_rwctrl |= 0x009f0000;
11297                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11298                         /* 5780 always in PCIX mode */
11299                         tp->dma_rwctrl |= 0x00144000;
11300                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11301                         /* 5714 always in PCIX mode */
11302                         tp->dma_rwctrl |= 0x00148000;
11303                 } else {
11304                         tp->dma_rwctrl |= 0x001b000f;
11305                 }
11306         }
11307
11308         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11309             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11310                 tp->dma_rwctrl &= 0xfffffff0;
11311
11312         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11313             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11314                 /* Remove this if it causes problems for some boards. */
11315                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11316
11317                 /* On 5700/5701 chips, we need to set this bit.
11318                  * Otherwise the chip will issue cacheline transactions
11319                  * to streamable DMA memory with not all the byte
11320                  * enables turned on.  This is an error on several
11321                  * RISC PCI controllers, in particular sparc64.
11322                  *
11323                  * On 5703/5704 chips, this bit has been reassigned
11324                  * a different meaning.  In particular, it is used
11325                  * on those chips to enable a PCI-X workaround.
11326                  */
11327                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11328         }
11329
11330         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11331
11332 #if 0
11333         /* Unneeded, already done by tg3_get_invariants.  */
11334         tg3_switch_clocks(tp);
11335 #endif
11336
11337         ret = 0;
11338         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11339             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11340                 goto out;
11341
11342         /* It is best to perform DMA test with maximum write burst size
11343          * to expose the 5700/5701 write DMA bug.
11344          */
11345         saved_dma_rwctrl = tp->dma_rwctrl;
11346         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11347         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11348
11349         while (1) {
11350                 u32 *p = buf, i;
11351
11352                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11353                         p[i] = i;
11354
11355                 /* Send the buffer to the chip. */
11356                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11357                 if (ret) {
11358                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11359                         break;
11360                 }
11361
11362 #if 0
11363                 /* validate data reached card RAM correctly. */
11364                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11365                         u32 val;
11366                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
11367                         if (le32_to_cpu(val) != p[i]) {
11368                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
11369                                 /* ret = -ENODEV here? */
11370                         }
11371                         p[i] = 0;
11372                 }
11373 #endif
11374                 /* Now read it back. */
11375                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11376                 if (ret) {
11377                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11378
11379                         break;
11380                 }
11381
11382                 /* Verify it. */
11383                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11384                         if (p[i] == i)
11385                                 continue;
11386
11387                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11388                             DMA_RWCTRL_WRITE_BNDRY_16) {
11389                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11390                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11391                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11392                                 break;
11393                         } else {
11394                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11395                                 ret = -ENODEV;
11396                                 goto out;
11397                         }
11398                 }
11399
11400                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11401                         /* Success. */
11402                         ret = 0;
11403                         break;
11404                 }
11405         }
11406         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11407             DMA_RWCTRL_WRITE_BNDRY_16) {
11408                 static struct pci_device_id dma_wait_state_chipsets[] = {
11409                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11410                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11411                         { },
11412                 };
11413
11414                 /* DMA test passed without adjusting DMA boundary,
11415                  * now look for chipsets that are known to expose the
11416                  * DMA bug without failing the test.
11417                  */
11418                 if (pci_dev_present(dma_wait_state_chipsets)) {
11419                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11420                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11421                 }
11422                 else
11423                         /* Safe to use the calculated DMA boundary. */
11424                         tp->dma_rwctrl = saved_dma_rwctrl;
11425
11426                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11427         }
11428
11429 out:
11430         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11431 out_nofree:
11432         return ret;
11433 }
11434
11435 static void __devinit tg3_init_link_config(struct tg3 *tp)
11436 {
11437         tp->link_config.advertising =
11438                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11439                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11440                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11441                  ADVERTISED_Autoneg | ADVERTISED_MII);
11442         tp->link_config.speed = SPEED_INVALID;
11443         tp->link_config.duplex = DUPLEX_INVALID;
11444         tp->link_config.autoneg = AUTONEG_ENABLE;
11445         tp->link_config.active_speed = SPEED_INVALID;
11446         tp->link_config.active_duplex = DUPLEX_INVALID;
11447         tp->link_config.phy_is_low_power = 0;
11448         tp->link_config.orig_speed = SPEED_INVALID;
11449         tp->link_config.orig_duplex = DUPLEX_INVALID;
11450         tp->link_config.orig_autoneg = AUTONEG_INVALID;
11451 }
11452
11453 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11454 {
11455         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11456                 tp->bufmgr_config.mbuf_read_dma_low_water =
11457                         DEFAULT_MB_RDMA_LOW_WATER_5705;
11458                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11459                         DEFAULT_MB_MACRX_LOW_WATER_5705;
11460                 tp->bufmgr_config.mbuf_high_water =
11461                         DEFAULT_MB_HIGH_WATER_5705;
11462                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11463                         tp->bufmgr_config.mbuf_mac_rx_low_water =
11464                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
11465                         tp->bufmgr_config.mbuf_high_water =
11466                                 DEFAULT_MB_HIGH_WATER_5906;
11467                 }
11468
11469                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11470                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11471                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11472                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11473                 tp->bufmgr_config.mbuf_high_water_jumbo =
11474                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11475         } else {
11476                 tp->bufmgr_config.mbuf_read_dma_low_water =
11477                         DEFAULT_MB_RDMA_LOW_WATER;
11478                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11479                         DEFAULT_MB_MACRX_LOW_WATER;
11480                 tp->bufmgr_config.mbuf_high_water =
11481                         DEFAULT_MB_HIGH_WATER;
11482
11483                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11484                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11485                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11486                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11487                 tp->bufmgr_config.mbuf_high_water_jumbo =
11488                         DEFAULT_MB_HIGH_WATER_JUMBO;
11489         }
11490
11491         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11492         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11493 }
11494
11495 static char * __devinit tg3_phy_string(struct tg3 *tp)
11496 {
11497         switch (tp->phy_id & PHY_ID_MASK) {
11498         case PHY_ID_BCM5400:    return "5400";
11499         case PHY_ID_BCM5401:    return "5401";
11500         case PHY_ID_BCM5411:    return "5411";
11501         case PHY_ID_BCM5701:    return "5701";
11502         case PHY_ID_BCM5703:    return "5703";
11503         case PHY_ID_BCM5704:    return "5704";
11504         case PHY_ID_BCM5705:    return "5705";
11505         case PHY_ID_BCM5750:    return "5750";
11506         case PHY_ID_BCM5752:    return "5752";
11507         case PHY_ID_BCM5714:    return "5714";
11508         case PHY_ID_BCM5780:    return "5780";
11509         case PHY_ID_BCM5755:    return "5755";
11510         case PHY_ID_BCM5787:    return "5787";
11511         case PHY_ID_BCM5756:    return "5722/5756";
11512         case PHY_ID_BCM5906:    return "5906";
11513         case PHY_ID_BCM8002:    return "8002/serdes";
11514         case 0:                 return "serdes";
11515         default:                return "unknown";
11516         };
11517 }
11518
11519 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11520 {
11521         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11522                 strcpy(str, "PCI Express");
11523                 return str;
11524         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11525                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11526
11527                 strcpy(str, "PCIX:");
11528
11529                 if ((clock_ctrl == 7) ||
11530                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11531                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11532                         strcat(str, "133MHz");
11533                 else if (clock_ctrl == 0)
11534                         strcat(str, "33MHz");
11535                 else if (clock_ctrl == 2)
11536                         strcat(str, "50MHz");
11537                 else if (clock_ctrl == 4)
11538                         strcat(str, "66MHz");
11539                 else if (clock_ctrl == 6)
11540                         strcat(str, "100MHz");
11541         } else {
11542                 strcpy(str, "PCI:");
11543                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11544                         strcat(str, "66MHz");
11545                 else
11546                         strcat(str, "33MHz");
11547         }
11548         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11549                 strcat(str, ":32-bit");
11550         else
11551                 strcat(str, ":64-bit");
11552         return str;
11553 }
11554
11555 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
11556 {
11557         struct pci_dev *peer;
11558         unsigned int func, devnr = tp->pdev->devfn & ~7;
11559
11560         for (func = 0; func < 8; func++) {
11561                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11562                 if (peer && peer != tp->pdev)
11563                         break;
11564                 pci_dev_put(peer);
11565         }
11566         /* 5704 can be configured in single-port mode, set peer to
11567          * tp->pdev in that case.
11568          */
11569         if (!peer) {
11570                 peer = tp->pdev;
11571                 return peer;
11572         }
11573
11574         /*
11575          * We don't need to keep the refcount elevated; there's no way
11576          * to remove one half of this device without removing the other
11577          */
11578         pci_dev_put(peer);
11579
11580         return peer;
11581 }
11582
11583 static void __devinit tg3_init_coal(struct tg3 *tp)
11584 {
11585         struct ethtool_coalesce *ec = &tp->coal;
11586
11587         memset(ec, 0, sizeof(*ec));
11588         ec->cmd = ETHTOOL_GCOALESCE;
11589         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11590         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11591         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11592         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11593         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11594         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11595         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11596         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11597         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11598
11599         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11600                                  HOSTCC_MODE_CLRTICK_TXBD)) {
11601                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11602                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11603                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11604                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11605         }
11606
11607         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11608                 ec->rx_coalesce_usecs_irq = 0;
11609                 ec->tx_coalesce_usecs_irq = 0;
11610                 ec->stats_block_coalesce_usecs = 0;
11611         }
11612 }
11613
11614 static int __devinit tg3_init_one(struct pci_dev *pdev,
11615                                   const struct pci_device_id *ent)
11616 {
11617         static int tg3_version_printed = 0;
11618         unsigned long tg3reg_base, tg3reg_len;
11619         struct net_device *dev;
11620         struct tg3 *tp;
11621         int i, err, pm_cap;
11622         char str[40];
11623         u64 dma_mask, persist_dma_mask;
11624
11625         if (tg3_version_printed++ == 0)
11626                 printk(KERN_INFO "%s", version);
11627
11628         err = pci_enable_device(pdev);
11629         if (err) {
11630                 printk(KERN_ERR PFX "Cannot enable PCI device, "
11631                        "aborting.\n");
11632                 return err;
11633         }
11634
11635         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11636                 printk(KERN_ERR PFX "Cannot find proper PCI device "
11637                        "base address, aborting.\n");
11638                 err = -ENODEV;
11639                 goto err_out_disable_pdev;
11640         }
11641
11642         err = pci_request_regions(pdev, DRV_MODULE_NAME);
11643         if (err) {
11644                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11645                        "aborting.\n");
11646                 goto err_out_disable_pdev;
11647         }
11648
11649         pci_set_master(pdev);
11650
11651         /* Find power-management capability. */
11652         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11653         if (pm_cap == 0) {
11654                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11655                        "aborting.\n");
11656                 err = -EIO;
11657                 goto err_out_free_res;
11658         }
11659
11660         tg3reg_base = pci_resource_start(pdev, 0);
11661         tg3reg_len = pci_resource_len(pdev, 0);
11662
11663         dev = alloc_etherdev(sizeof(*tp));
11664         if (!dev) {
11665                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11666                 err = -ENOMEM;
11667                 goto err_out_free_res;
11668         }
11669
11670         SET_MODULE_OWNER(dev);
11671         SET_NETDEV_DEV(dev, &pdev->dev);
11672
11673 #if TG3_VLAN_TAG_USED
11674         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11675         dev->vlan_rx_register = tg3_vlan_rx_register;
11676         dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11677 #endif
11678
11679         tp = netdev_priv(dev);
11680         tp->pdev = pdev;
11681         tp->dev = dev;
11682         tp->pm_cap = pm_cap;
11683         tp->mac_mode = TG3_DEF_MAC_MODE;
11684         tp->rx_mode = TG3_DEF_RX_MODE;
11685         tp->tx_mode = TG3_DEF_TX_MODE;
11686         tp->mi_mode = MAC_MI_MODE_BASE;
11687         if (tg3_debug > 0)
11688                 tp->msg_enable = tg3_debug;
11689         else
11690                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11691
11692         /* The word/byte swap controls here control register access byte
11693          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
11694          * setting below.
11695          */
11696         tp->misc_host_ctrl =
11697                 MISC_HOST_CTRL_MASK_PCI_INT |
11698                 MISC_HOST_CTRL_WORD_SWAP |
11699                 MISC_HOST_CTRL_INDIR_ACCESS |
11700                 MISC_HOST_CTRL_PCISTATE_RW;
11701
11702         /* The NONFRM (non-frame) byte/word swap controls take effect
11703          * on descriptor entries, anything which isn't packet data.
11704          *
11705          * The StrongARM chips on the board (one for tx, one for rx)
11706          * are running in big-endian mode.
11707          */
11708         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11709                         GRC_MODE_WSWAP_NONFRM_DATA);
11710 #ifdef __BIG_ENDIAN
11711         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11712 #endif
11713         spin_lock_init(&tp->lock);
11714         spin_lock_init(&tp->indirect_lock);
11715         INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
11716
11717         tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11718         if (tp->regs == 0UL) {
11719                 printk(KERN_ERR PFX "Cannot map device registers, "
11720                        "aborting.\n");
11721                 err = -ENOMEM;
11722                 goto err_out_free_dev;
11723         }
11724
11725         tg3_init_link_config(tp);
11726
11727         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11728         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11729         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11730
11731         dev->open = tg3_open;
11732         dev->stop = tg3_close;
11733         dev->get_stats = tg3_get_stats;
11734         dev->set_multicast_list = tg3_set_rx_mode;
11735         dev->set_mac_address = tg3_set_mac_addr;
11736         dev->do_ioctl = tg3_ioctl;
11737         dev->tx_timeout = tg3_tx_timeout;
11738         dev->poll = tg3_poll;
11739         dev->ethtool_ops = &tg3_ethtool_ops;
11740         dev->weight = 64;
11741         dev->watchdog_timeo = TG3_TX_TIMEOUT;
11742         dev->change_mtu = tg3_change_mtu;
11743         dev->irq = pdev->irq;
11744 #ifdef CONFIG_NET_POLL_CONTROLLER
11745         dev->poll_controller = tg3_poll_controller;
11746 #endif
11747
11748         err = tg3_get_invariants(tp);
11749         if (err) {
11750                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11751                        "aborting.\n");
11752                 goto err_out_iounmap;
11753         }
11754
11755         /* The EPB bridge inside 5714, 5715, and 5780 and any
11756          * device behind the EPB cannot support DMA addresses > 40-bit.
11757          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11758          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11759          * do DMA address check in tg3_start_xmit().
11760          */
11761         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11762                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11763         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
11764                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11765 #ifdef CONFIG_HIGHMEM
11766                 dma_mask = DMA_64BIT_MASK;
11767 #endif
11768         } else
11769                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11770
11771         /* Configure DMA attributes. */
11772         if (dma_mask > DMA_32BIT_MASK) {
11773                 err = pci_set_dma_mask(pdev, dma_mask);
11774                 if (!err) {
11775                         dev->features |= NETIF_F_HIGHDMA;
11776                         err = pci_set_consistent_dma_mask(pdev,
11777                                                           persist_dma_mask);
11778                         if (err < 0) {
11779                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11780                                        "DMA for consistent allocations\n");
11781                                 goto err_out_iounmap;
11782                         }
11783                 }
11784         }
11785         if (err || dma_mask == DMA_32BIT_MASK) {
11786                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11787                 if (err) {
11788                         printk(KERN_ERR PFX "No usable DMA configuration, "
11789                                "aborting.\n");
11790                         goto err_out_iounmap;
11791                 }
11792         }
11793
11794         tg3_init_bufmgr_config(tp);
11795
11796 #if TG3_TSO_SUPPORT != 0
11797         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11798                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11799         }
11800         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11801             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11802             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
11803             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11804                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11805         } else {
11806                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11807         }
11808
11809         /* TSO is on by default on chips that support hardware TSO.
11810          * Firmware TSO on older chips gives lower performance, so it
11811          * is off by default, but can be enabled using ethtool.
11812          */
11813         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11814                 dev->features |= NETIF_F_TSO;
11815                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11816                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
11817                         dev->features |= NETIF_F_TSO6;
11818         }
11819
11820 #endif
11821
11822         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11823             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11824             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11825                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11826                 tp->rx_pending = 63;
11827         }
11828
11829         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11830             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11831                 tp->pdev_peer = tg3_find_peer(tp);
11832
11833         err = tg3_get_device_address(tp);
11834         if (err) {
11835                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11836                        "aborting.\n");
11837                 goto err_out_iounmap;
11838         }
11839
11840         /*
11841          * Reset chip in case UNDI or EFI driver did not shutdown
11842          * DMA self test will enable WDMAC and we'll see (spurious)
11843          * pending DMA on the PCI bus at that point.
11844          */
11845         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11846             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11847                 pci_save_state(tp->pdev);
11848                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
11849                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11850         }
11851
11852         err = tg3_test_dma(tp);
11853         if (err) {
11854                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11855                 goto err_out_iounmap;
11856         }
11857
11858         /* Tigon3 can do ipv4 only... and some chips have buggy
11859          * checksumming.
11860          */
11861         if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
11862                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11863                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
11864                         dev->features |= NETIF_F_HW_CSUM;
11865                 else
11866                         dev->features |= NETIF_F_IP_CSUM;
11867                 dev->features |= NETIF_F_SG;
11868                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11869         } else
11870                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11871
11872         /* flow control autonegotiation is default behavior */
11873         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11874
11875         tg3_init_coal(tp);
11876
11877         /* Now that we have fully setup the chip, save away a snapshot
11878          * of the PCI config space.  We need to restore this after
11879          * GRC_MISC_CFG core clock resets and some resume events.
11880          */
11881         pci_save_state(tp->pdev);
11882
11883         err = register_netdev(dev);
11884         if (err) {
11885                 printk(KERN_ERR PFX "Cannot register net device, "
11886                        "aborting.\n");
11887                 goto err_out_iounmap;
11888         }
11889
11890         pci_set_drvdata(pdev, dev);
11891
11892         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
11893                dev->name,
11894                tp->board_part_number,
11895                tp->pci_chip_rev_id,
11896                tg3_phy_string(tp),
11897                tg3_bus_string(tp, str),
11898                (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
11899
11900         for (i = 0; i < 6; i++)
11901                 printk("%2.2x%c", dev->dev_addr[i],
11902                        i == 5 ? '\n' : ':');
11903
11904         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11905                "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11906                "TSOcap[%d] \n",
11907                dev->name,
11908                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11909                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11910                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11911                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11912                (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11913                (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11914                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
11915         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11916                dev->name, tp->dma_rwctrl,
11917                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11918                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
11919
11920         netif_carrier_off(tp->dev);
11921
11922         return 0;
11923
11924 err_out_iounmap:
11925         if (tp->regs) {
11926                 iounmap(tp->regs);
11927                 tp->regs = NULL;
11928         }
11929
11930 err_out_free_dev:
11931         free_netdev(dev);
11932
11933 err_out_free_res:
11934         pci_release_regions(pdev);
11935
11936 err_out_disable_pdev:
11937         pci_disable_device(pdev);
11938         pci_set_drvdata(pdev, NULL);
11939         return err;
11940 }
11941
11942 static void __devexit tg3_remove_one(struct pci_dev *pdev)
11943 {
11944         struct net_device *dev = pci_get_drvdata(pdev);
11945
11946         if (dev) {
11947                 struct tg3 *tp = netdev_priv(dev);
11948
11949                 flush_scheduled_work();
11950                 unregister_netdev(dev);
11951                 if (tp->regs) {
11952                         iounmap(tp->regs);
11953                         tp->regs = NULL;
11954                 }
11955                 free_netdev(dev);
11956                 pci_release_regions(pdev);
11957                 pci_disable_device(pdev);
11958                 pci_set_drvdata(pdev, NULL);
11959         }
11960 }
11961
11962 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
11963 {
11964         struct net_device *dev = pci_get_drvdata(pdev);
11965         struct tg3 *tp = netdev_priv(dev);
11966         int err;
11967
11968         if (!netif_running(dev))
11969                 return 0;
11970
11971         flush_scheduled_work();
11972         tg3_netif_stop(tp);
11973
11974         del_timer_sync(&tp->timer);
11975
11976         tg3_full_lock(tp, 1);
11977         tg3_disable_ints(tp);
11978         tg3_full_unlock(tp);
11979
11980         netif_device_detach(dev);
11981
11982         tg3_full_lock(tp, 0);
11983         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11984         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
11985         tg3_full_unlock(tp);
11986
11987         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
11988         if (err) {
11989                 tg3_full_lock(tp, 0);
11990
11991                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11992                 if (tg3_restart_hw(tp, 1))
11993                         goto out;
11994
11995                 tp->timer.expires = jiffies + tp->timer_offset;
11996                 add_timer(&tp->timer);
11997
11998                 netif_device_attach(dev);
11999                 tg3_netif_start(tp);
12000
12001 out:
12002                 tg3_full_unlock(tp);
12003         }
12004
12005         return err;
12006 }
12007
12008 static int tg3_resume(struct pci_dev *pdev)
12009 {
12010         struct net_device *dev = pci_get_drvdata(pdev);
12011         struct tg3 *tp = netdev_priv(dev);
12012         int err;
12013
12014         if (!netif_running(dev))
12015                 return 0;
12016
12017         pci_restore_state(tp->pdev);
12018
12019         err = tg3_set_power_state(tp, PCI_D0);
12020         if (err)
12021                 return err;
12022
12023         netif_device_attach(dev);
12024
12025         tg3_full_lock(tp, 0);
12026
12027         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12028         err = tg3_restart_hw(tp, 1);
12029         if (err)
12030                 goto out;
12031
12032         tp->timer.expires = jiffies + tp->timer_offset;
12033         add_timer(&tp->timer);
12034
12035         tg3_netif_start(tp);
12036
12037 out:
12038         tg3_full_unlock(tp);
12039
12040         return err;
12041 }
12042
12043 static struct pci_driver tg3_driver = {
12044         .name           = DRV_MODULE_NAME,
12045         .id_table       = tg3_pci_tbl,
12046         .probe          = tg3_init_one,
12047         .remove         = __devexit_p(tg3_remove_one),
12048         .suspend        = tg3_suspend,
12049         .resume         = tg3_resume
12050 };
12051
12052 static int __init tg3_init(void)
12053 {
12054         return pci_register_driver(&tg3_driver);
12055 }
12056
12057 static void __exit tg3_cleanup(void)
12058 {
12059         pci_unregister_driver(&tg3_driver);
12060 }
12061
12062 module_init(tg3_init);
12063 module_exit(tg3_cleanup);