[PATCH] pcmcia: add return value to _config() functions
[safe/jmp/linux-2.6] / drivers / net / tg3.c
index a174e61..964c096 100644 (file)
@@ -24,6 +24,7 @@
 #include <linux/compiler.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/in.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
@@ -36,6 +37,8 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/workqueue.h>
+#include <linux/prefetch.h>
+#include <linux/dma-mapping.h>
 
 #include <net/checksum.h>
 
@@ -66,8 +69,8 @@
 
 #define DRV_MODULE_NAME                "tg3"
 #define PFX DRV_MODULE_NAME    ": "
-#define DRV_MODULE_VERSION     "3.38"
-#define DRV_MODULE_RELDATE     "September 1, 2005"
+#define DRV_MODULE_VERSION     "3.55"
+#define DRV_MODULE_RELDATE     "Mar 27, 2006"
 
 #define TG3_DEF_MAC_MODE       0
 #define TG3_DEF_RX_MODE                0
@@ -218,6 +221,26 @@ static struct pci_device_id tg3_pci_tbl[] = {
          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
@@ -335,6 +358,16 @@ static struct {
        { "interrupt test (offline)" },
 };
 
+static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
+{
+       writel(val, tp->regs + off);
+}
+
+static u32 tg3_read32(struct tg3 *tp, u32 off)
+{
+       return (readl(tp->regs + off)); 
+}
+
 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 {
        unsigned long flags;
@@ -405,13 +438,29 @@ static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
        return val;
 }
 
-static void _tw32_flush(struct tg3 *tp, u32 off, u32 val)
+/* usec_wait specifies the wait time in usec when writing to certain registers
+ * where it is unsafe to read back the register without some delay.
+ * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
+ * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
+ */
+static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 {
-       tp->write32(tp, off, val);
-       if (!(tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) &&
-           !(tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) &&
-           !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
-               tp->read32(tp, off);    /* flush */
+       if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
+           (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
+               /* Non-posted methods */
+               tp->write32(tp, off, val);
+       else {
+               /* Posted method */
+               tg3_write32(tp, off, val);
+               if (usec_wait)
+                       udelay(usec_wait);
+               tp->read32(tp, off);
+       }
+       /* Wait again after the read for the posted method to guarantee that
+        * the wait time is met.
+        */
+       if (usec_wait)
+               udelay(usec_wait);
 }
 
 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
@@ -432,16 +481,6 @@ static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
                readl(mbox);
 }
 
-static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
-{
-       writel(val, tp->regs + off);
-}
-
-static u32 tg3_read32(struct tg3 *tp, u32 off)
-{
-       return (readl(tp->regs + off)); 
-}
-
 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
 #define tw32_mailbox_f(reg, val)       tw32_mailbox_flush(tp, (reg), (val))
 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
@@ -449,7 +488,8 @@ static u32 tg3_read32(struct tg3 *tp, u32 off)
 #define tr32_mailbox(reg)      tp->read32_mbox(tp, reg)
 
 #define tw32(reg,val)          tp->write32(tp, reg, val)
-#define tw32_f(reg,val)                _tw32_flush(tp,(reg),(val))
+#define tw32_f(reg,val)                _tw32_flush(tp,(reg),(val), 0)
+#define tw32_wait_f(reg,val,us)        _tw32_flush(tp,(reg),(val), (us))
 #define tr32(reg)              tp->read32(tp, reg)
 
 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
@@ -457,11 +497,19 @@ static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
        unsigned long flags;
 
        spin_lock_irqsave(&tp->indirect_lock, flags);
-       pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
-       pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+       if (tp->write32 != tg3_write_indirect_reg32) {
+               tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
+               tw32_f(TG3PCI_MEM_WIN_DATA, val);
 
-       /* Always leave this as zero. */
-       pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+               /* Always leave this as zero. */
+               tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+       } else {
+               pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
+               pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+
+               /* Always leave this as zero. */
+               pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+       }
        spin_unlock_irqrestore(&tp->indirect_lock, flags);
 }
 
@@ -470,11 +518,19 @@ static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
        unsigned long flags;
 
        spin_lock_irqsave(&tp->indirect_lock, flags);
-       pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
-       pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+       if (tp->write32 != tg3_write_indirect_reg32) {
+               tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
+               *val = tr32(TG3PCI_MEM_WIN_DATA);
 
-       /* Always leave this as zero. */
-       pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+               /* Always leave this as zero. */
+               tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+       } else {
+               pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
+               pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+
+               /* Always leave this as zero. */
+               pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+       }
        spin_unlock_irqrestore(&tp->indirect_lock, flags);
 }
 
@@ -487,7 +543,8 @@ static void tg3_disable_ints(struct tg3 *tp)
 
 static inline void tg3_cond_int(struct tg3 *tp)
 {
-       if (tp->hw_status->status & SD_STATUS_UPDATED)
+       if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
+           (tp->hw_status->status & SD_STATUS_UPDATED))
                tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 }
 
@@ -500,6 +557,9 @@ static void tg3_enable_ints(struct tg3 *tp)
             (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
        tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
                       (tp->last_tag << 24));
+       if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
+               tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+                              (tp->last_tag << 24));
        tg3_cond_int(tp);
 }
 
@@ -568,7 +628,7 @@ static void tg3_switch_clocks(struct tg3 *tp)
        u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
        u32 orig_clock_ctrl;
 
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
                return;
 
        orig_clock_ctrl = clock_ctrl;
@@ -579,21 +639,19 @@ static void tg3_switch_clocks(struct tg3 *tp)
 
        if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
                if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
-                       tw32_f(TG3PCI_CLOCK_CTRL,
-                              clock_ctrl | CLOCK_CTRL_625_CORE);
-                       udelay(40);
+                       tw32_wait_f(TG3PCI_CLOCK_CTRL,
+                                   clock_ctrl | CLOCK_CTRL_625_CORE, 40);
                }
        } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
-               tw32_f(TG3PCI_CLOCK_CTRL,
-                    clock_ctrl |
-                    (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK));
-               udelay(40);
-               tw32_f(TG3PCI_CLOCK_CTRL,
-                    clock_ctrl | (CLOCK_CTRL_ALTCLK));
-               udelay(40);
+               tw32_wait_f(TG3PCI_CLOCK_CTRL,
+                           clock_ctrl |
+                           (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
+                           40);
+               tw32_wait_f(TG3PCI_CLOCK_CTRL,
+                           clock_ctrl | (CLOCK_CTRL_ALTCLK),
+                           40);
        }
-       tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl);
-       udelay(40);
+       tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 }
 
 #define PHY_BUSY_LOOPS 5000
@@ -1001,37 +1059,52 @@ static void tg3_frob_aux_power(struct tg3 *tp)
        if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
                return;
 
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
-               tp_peer = pci_get_drvdata(tp->pdev_peer);
-               if (!tp_peer)
-                       BUG();
-       }
+       if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
+           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
+               struct net_device *dev_peer;
 
+               dev_peer = pci_get_drvdata(tp->pdev_peer);
+               /* remove_one() may have been run on the peer. */
+               if (!dev_peer)
+                       tp_peer = tp;
+               else
+                       tp_peer = netdev_priv(dev_peer);
+       }
 
        if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
-           (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
+           (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
+           (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
+           (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
                if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                            (GRC_LCLCTRL_GPIO_OE0 |
-                             GRC_LCLCTRL_GPIO_OE1 |
-                             GRC_LCLCTRL_GPIO_OE2 |
-                             GRC_LCLCTRL_GPIO_OUTPUT0 |
-                             GRC_LCLCTRL_GPIO_OUTPUT1));
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                   (GRC_LCLCTRL_GPIO_OE0 |
+                                    GRC_LCLCTRL_GPIO_OE1 |
+                                    GRC_LCLCTRL_GPIO_OE2 |
+                                    GRC_LCLCTRL_GPIO_OUTPUT0 |
+                                    GRC_LCLCTRL_GPIO_OUTPUT1),
+                                   100);
                } else {
                        u32 no_gpio2;
-                       u32 grc_local_ctrl;
+                       u32 grc_local_ctrl = 0;
 
                        if (tp_peer != tp &&
                            (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
                                return;
 
+                       /* Workaround to prevent overdrawing Amps. */
+                       if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
+                           ASIC_REV_5714) {
+                               grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
+                               tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                           grc_local_ctrl, 100);
+                       }
+
                        /* On 5753 and variants, GPIO2 cannot be used. */
                        no_gpio2 = tp->nic_sram_data_cfg &
                                    NIC_SRAM_DATA_CFG_NO_GPIO2;
 
-                       grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
+                       grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
                                         GRC_LCLCTRL_GPIO_OE1 |
                                         GRC_LCLCTRL_GPIO_OE2 |
                                         GRC_LCLCTRL_GPIO_OUTPUT1 |
@@ -1040,21 +1113,18 @@ static void tg3_frob_aux_power(struct tg3 *tp)
                                grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
                                                    GRC_LCLCTRL_GPIO_OUTPUT2);
                        }
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                                               grc_local_ctrl);
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                                   grc_local_ctrl, 100);
 
                        grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
 
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                                               grc_local_ctrl);
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                                   grc_local_ctrl, 100);
 
                        if (!no_gpio2) {
                                grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
-                               tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                                      grc_local_ctrl);
-                               udelay(100);
+                               tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                           grc_local_ctrl, 100);
                        }
                }
        } else {
@@ -1064,19 +1134,16 @@ static void tg3_frob_aux_power(struct tg3 *tp)
                            (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
                                return;
 
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                            (GRC_LCLCTRL_GPIO_OE1 |
-                             GRC_LCLCTRL_GPIO_OUTPUT1));
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                   (GRC_LCLCTRL_GPIO_OE1 |
+                                    GRC_LCLCTRL_GPIO_OUTPUT1), 100);
 
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                            (GRC_LCLCTRL_GPIO_OE1));
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                   GRC_LCLCTRL_GPIO_OE1, 100);
 
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
-                            (GRC_LCLCTRL_GPIO_OE1 |
-                             GRC_LCLCTRL_GPIO_OUTPUT1));
-                       udelay(100);
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
+                                   (GRC_LCLCTRL_GPIO_OE1 |
+                                    GRC_LCLCTRL_GPIO_OUTPUT1), 100);
                }
        }
 }
@@ -1089,8 +1156,23 @@ static int tg3_setup_phy(struct tg3 *, int);
 
 static void tg3_write_sig_post_reset(struct tg3 *, int);
 static int tg3_halt_cpu(struct tg3 *, u32);
+static int tg3_nvram_lock(struct tg3 *);
+static void tg3_nvram_unlock(struct tg3 *);
+
+static void tg3_power_down_phy(struct tg3 *tp)
+{
+       /* The PHY should not be powered down on some chips because
+        * of bugs.
+        */
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
+           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
+            (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
+               return;
+       tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+}
 
-static int tg3_set_power_state(struct tg3 *tp, int state)
+static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
 {
        u32 misc_host_ctrl;
        u16 power_control, power_caps;
@@ -1109,7 +1191,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
        power_control |= PCI_PM_CTRL_PME_STATUS;
        power_control &= ~(PCI_PM_CTRL_STATE_MASK);
        switch (state) {
-       case 0:
+       case PCI_D0:
                power_control |= 0;
                pci_write_config_word(tp->pdev,
                                      pm + PCI_PM_CTRL,
@@ -1117,22 +1199,20 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                udelay(100);    /* Delay after power state change */
 
                /* Switch out of Vaux if it is not a LOM */
-               if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
-                       tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
-                       udelay(100);
-               }
+               if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
+                       tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
 
                return 0;
 
-       case 1:
+       case PCI_D1:
                power_control |= 1;
                break;
 
-       case 2:
+       case PCI_D2:
                power_control |= 2;
                break;
 
-       case 3:
+       case PCI_D3hot:
                power_control |= 3;
                break;
 
@@ -1163,6 +1243,21 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                tg3_setup_phy(tp, 0);
        }
 
+       if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+               int i;
+               u32 val;
+
+               for (i = 0; i < 200; i++) {
+                       tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
+                       if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
+                               break;
+                       msleep(1);
+               }
+       }
+       tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
+                                            WOL_DRV_STATE_SHUTDOWN |
+                                            WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
+
        pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
 
        if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
@@ -1204,11 +1299,9 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
                             CLOCK_CTRL_TXCLK_DISABLE);
 
-               tw32_f(TG3PCI_CLOCK_CTRL, base_val |
-                    CLOCK_CTRL_ALTCLK |
-                    CLOCK_CTRL_PWRDOWN_PLL133);
-               udelay(40);
-       } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+               tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
+                           CLOCK_CTRL_PWRDOWN_PLL133, 40);
+       } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
                /* do nothing */
        } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
                     (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
@@ -1228,11 +1321,11 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                        newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
                }
 
-               tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1);
-               udelay(40);
+               tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
+                           40);
 
-               tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2);
-               udelay(40);
+               tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
+                           40);
 
                if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
                        u32 newbits3;
@@ -1246,9 +1339,19 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                                newbits3 = CLOCK_CTRL_44MHZ_CORE;
                        }
 
-                       tw32_f(TG3PCI_CLOCK_CTRL,
-                                        tp->pci_clock_ctrl | newbits3);
-                       udelay(40);
+                       tw32_wait_f(TG3PCI_CLOCK_CTRL,
+                                   tp->pci_clock_ctrl | newbits3, 40);
+               }
+       }
+
+       if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
+           !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+               /* Turn off the PHY */
+               if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
+                       tg3_writephy(tp, MII_TG3_EXT_CTRL,
+                                    MII_TG3_EXT_CTRL_FORCE_LED_OFF);
+                       tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
+                       tg3_power_down_phy(tp);
                }
        }
 
@@ -1261,16 +1364,22 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
 
                val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
                tw32(0x7d00, val);
-               if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
+               if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+                       int err;
+
+                       err = tg3_nvram_lock(tp);
                        tg3_halt_cpu(tp, RX_CPU_BASE);
+                       if (!err)
+                               tg3_nvram_unlock(tp);
+               }
        }
 
+       tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
+
        /* Finally, set the new power state. */
        pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
        udelay(100);    /* Delay after power state change */
 
-       tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
-
        return 0;
 }
 
@@ -1796,7 +1905,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
                }
        }
 relink:
-       if (current_link_up == 0) {
+       if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
                u32 tmp;
 
                tg3_phy_copper_begin(tp);
@@ -2611,6 +2720,12 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
 
        err |= tg3_readphy(tp, MII_BMSR, &bmsr);
        err |= tg3_readphy(tp, MII_BMSR, &bmsr);
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
+               if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
+                       bmsr |= BMSR_LSTATUS;
+               else
+                       bmsr &= ~BMSR_LSTATUS;
+       }
 
        err |= tg3_readphy(tp, MII_BMCR, &bmcr);
 
@@ -2679,6 +2794,13 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
                        bmcr = new_bmcr;
                        err |= tg3_readphy(tp, MII_BMSR, &bmsr);
                        err |= tg3_readphy(tp, MII_BMSR, &bmsr);
+                       if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
+                           ASIC_REV_5714) {
+                               if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
+                                       bmsr |= BMSR_LSTATUS;
+                               else
+                                       bmsr &= ~BMSR_LSTATUS;
+                       }
                        tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
                }
        }
@@ -3219,18 +3341,17 @@ static int tg3_poll(struct net_device *netdev, int *budget)
                netdev->quota -= work_done;
        }
 
-       if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+       if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
                tp->last_tag = sblk->status_tag;
-       rmb();
-       sblk->status &= ~SD_STATUS_UPDATED;
+               rmb();
+       } else
+               sblk->status &= ~SD_STATUS_UPDATED;
 
        /* if no more work, tell net stack and NIC we're done */
        done = !tg3_has_work(tp);
        if (done) {
-               spin_lock(&tp->lock);
                netif_rx_complete(netdev);
                tg3_restart_ints(tp);
-               spin_unlock(&tp->lock);
        }
 
        return (done ? 0 : 1);
@@ -3270,6 +3391,23 @@ static inline void tg3_full_unlock(struct tg3 *tp)
        spin_unlock_bh(&tp->lock);
 }
 
+/* One-shot MSI handler - Chip automatically disables interrupt
+ * after sending MSI so driver doesn't have to do it.
+ */
+static irqreturn_t tg3_msi_1shot(int irq, void *dev_id, struct pt_regs *regs)
+{
+       struct net_device *dev = dev_id;
+       struct tg3 *tp = netdev_priv(dev);
+
+       prefetch(tp->hw_status);
+       prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+
+       if (likely(!tg3_irq_sync(tp)))
+               netif_rx_schedule(dev);         /* schedule NAPI poll */
+
+       return IRQ_HANDLED;
+}
+
 /* MSI ISR - No need to check for interrupt sharing and no need to
  * flush status block and interrupt mailbox. PCI ordering rules
  * guarantee that MSI will arrive after the status block.
@@ -3278,8 +3416,9 @@ static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
 {
        struct net_device *dev = dev_id;
        struct tg3 *tp = netdev_priv(dev);
-       struct tg3_hw_status *sblk = tp->hw_status;
 
+       prefetch(tp->hw_status);
+       prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
        /*
         * Writing any value to intr-mbox-0 clears PCI INTA# and
         * chip-internal interrupt pending events.
@@ -3288,19 +3427,9 @@ static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
         * event coalescing.
         */
        tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
-       tp->last_tag = sblk->status_tag;
-       rmb();
-       if (tg3_irq_sync(tp))
-               goto out;
-       sblk->status &= ~SD_STATUS_UPDATED;
-       if (likely(tg3_has_work(tp)))
+       if (likely(!tg3_irq_sync(tp)))
                netif_rx_schedule(dev);         /* schedule NAPI poll */
-       else {
-               /* No work, re-enable interrupts.  */
-               tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
-                            tp->last_tag << 24);
-       }
-out:
+
        return IRQ_RETVAL(1);
 }
 
@@ -3330,9 +3459,10 @@ static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                if (tg3_irq_sync(tp))
                        goto out;
                sblk->status &= ~SD_STATUS_UPDATED;
-               if (likely(tg3_has_work(tp)))
+               if (likely(tg3_has_work(tp))) {
+                       prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
                        netif_rx_schedule(dev);         /* schedule NAPI poll */
-               else {
+               else {
                        /* No work, shared interrupt perhaps?  re-enable
                         * interrupts, and flush that PCI write
                         */
@@ -3358,7 +3488,7 @@ static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *r
         * Reading the PCI State register will confirm whether the
         * interrupt is ours and will flush the status block.
         */
-       if ((sblk->status & SD_STATUS_UPDATED) ||
+       if ((sblk->status_tag != tp->last_tag) ||
            !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
                /*
                 * writing any value to intr-mbox-0 clears PCI INTA# and
@@ -3369,19 +3499,17 @@ static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *r
                 */
                tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
                             0x00000001);
-               tp->last_tag = sblk->status_tag;
-               rmb();
                if (tg3_irq_sync(tp))
                        goto out;
-               sblk->status &= ~SD_STATUS_UPDATED;
-               if (likely(tg3_has_work(tp)))
-                       netif_rx_schedule(dev);         /* schedule NAPI poll */
-               else {
-                       /* no work, shared interrupt perhaps?  re-enable
-                        * interrupts, and flush that PCI write
+               if (netif_rx_schedule_prep(dev)) {
+                       prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+                       /* Update last_tag to mark that this status has been
+                        * seen. Because interrupt may be shared, we may be
+                        * racing with tg3_poll(), so only update last_tag
+                        * if tg3_poll() is not scheduled.
                         */
-                       tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
-                                      tp->last_tag << 24);
+                       tp->last_tag = sblk->status_tag;
+                       __netif_rx_schedule(dev);
                }
        } else {        /* shared interrupt */
                handled = 0;
@@ -3398,7 +3526,8 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
        struct tg3 *tp = netdev_priv(dev);
        struct tg3_hw_status *sblk = tp->hw_status;
 
-       if (sblk->status & SD_STATUS_UPDATED) {
+       if ((sblk->status & SD_STATUS_UPDATED) ||
+           !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
                tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
                             0x00000001);
                return IRQ_RETVAL(1);
@@ -3423,6 +3552,17 @@ static void tg3_reset_task(void *_data)
        struct tg3 *tp = _data;
        unsigned int restart_timer;
 
+       tg3_full_lock(tp, 0);
+       tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
+
+       if (!netif_running(tp->dev)) {
+               tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
+               tg3_full_unlock(tp);
+               return;
+       }
+
+       tg3_full_unlock(tp);
+
        tg3_netif_stop(tp);
 
        tg3_full_lock(tp, 1);
@@ -3435,10 +3575,12 @@ static void tg3_reset_task(void *_data)
 
        tg3_netif_start(tp);
 
-       tg3_full_unlock(tp);
-
        if (restart_timer)
                mod_timer(&tp->timer, jiffies + 1);
+
+       tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
+
+       tg3_full_unlock(tp);
 }
 
 static void tg3_tx_timeout(struct net_device *dev)
@@ -3451,31 +3593,61 @@ static void tg3_tx_timeout(struct net_device *dev)
        schedule_work(&tp->reset_task);
 }
 
+/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
+static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
+{
+       u32 base = (u32) mapping & 0xffffffff;
+
+       return ((base > 0xffffdcc0) &&
+               (base + len + 8 < base));
+}
+
+/* Test for DMA addresses > 40-bit */
+static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
+                                         int len)
+{
+#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
+       if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
+               return (((u64) mapping + len) > DMA_40BIT_MASK);
+       return 0;
+#else
+       return 0;
+#endif
+}
+
 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
 
-static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
-                                      u32 guilty_entry, int guilty_len,
-                                      u32 last_plus_one, u32 *start, u32 mss)
+/* Workaround 4GB and 40-bit hardware DMA bugs. */
+static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
+                                      u32 last_plus_one, u32 *start,
+                                      u32 base_flags, u32 mss)
 {
        struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
-       dma_addr_t new_addr;
+       dma_addr_t new_addr = 0;
        u32 entry = *start;
-       int i;
+       int i, ret = 0;
 
        if (!new_skb) {
-               dev_kfree_skb(skb);
-               return -1;
+               ret = -1;
+       } else {
+               /* New SKB is guaranteed to be linear. */
+               entry = *start;
+               new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
+                                         PCI_DMA_TODEVICE);
+               /* Make sure new skb does not cross any 4G boundaries.
+                * Drop the packet if it does.
+                */
+               if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
+                       ret = -1;
+                       dev_kfree_skb(new_skb);
+                       new_skb = NULL;
+               } else {
+                       tg3_set_txd(tp, entry, new_addr, new_skb->len,
+                                   base_flags, 1 | (mss << 1));
+                       *start = NEXT_TX(entry);
+               }
        }
 
-       /* New SKB is guaranteed to be linear. */
-       entry = *start;
-       new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
-                                 PCI_DMA_TODEVICE);
-       tg3_set_txd(tp, entry, new_addr, new_skb->len,
-                   (skb->ip_summed == CHECKSUM_HW) ?
-                   TXD_FLAG_TCPUDP_CSUM : 0, 1 | (mss << 1));
-       *start = NEXT_TX(entry);
-
        /* Now clean up the sw ring entries. */
        i = 0;
        while (entry != last_plus_one) {
@@ -3500,7 +3672,7 @@ static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
 
        dev_kfree_skb(skb);
 
-       return 0;
+       return ret;
 }
 
 static void tg3_set_txd(struct tg3 *tp, int entry,
@@ -3526,21 +3698,14 @@ static void tg3_set_txd(struct tg3 *tp, int entry,
        txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
 }
 
-static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
-{
-       u32 base = (u32) mapping & 0xffffffff;
-
-       return ((base > 0xffffdcc0) &&
-               (base + len + 8 < base));
-}
-
+/* hard_start_xmit for devices that don't have any bugs and
+ * support TG3_FLG2_HW_TSO_2 only.
+ */
 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        struct tg3 *tp = netdev_priv(dev);
        dma_addr_t mapping;
-       unsigned int i;
        u32 len, entry, base_flags, mss;
-       int would_hit_hwbug;
 
        len = skb_headlen(skb);
 
@@ -3550,21 +3715,22 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
         * no IRQ context deadlocks to worry about either.  Rejoice!
         */
        if (!spin_trylock(&tp->tx_lock))
-               return NETDEV_TX_LOCKED; 
+               return NETDEV_TX_LOCKED;
 
-       /* This is a hard error, log it. */
        if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
-               netif_stop_queue(dev);
+               if (!netif_queue_stopped(dev)) {
+                       netif_stop_queue(dev);
+
+                       /* This is a hard error, log it. */
+                       printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
+                              "queue awake!\n", dev->name);
+               }
                spin_unlock(&tp->tx_lock);
-               printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
-                      dev->name);
                return NETDEV_TX_BUSY;
        }
 
        entry = tp->tx_prod;
        base_flags = 0;
-       if (skb->ip_summed == CHECKSUM_HW)
-               base_flags |= TXD_FLAG_TCPUDP_CSUM;
 #if TG3_TSO_SUPPORT != 0
        mss = 0;
        if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
@@ -3584,39 +3750,18 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
                               TXD_FLAG_CPU_POST_DMA);
 
                skb->nh.iph->check = 0;
-               skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
-               if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
-                       skb->h.th->check = 0;
-                       base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
-               }
-               else {
-                       skb->h.th->check =
-                               ~csum_tcpudp_magic(skb->nh.iph->saddr,
-                                                  skb->nh.iph->daddr,
-                                                  0, IPPROTO_TCP, 0);
-               }
-
-               if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
-                   (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
-                       if (tcp_opt_len || skb->nh.iph->ihl > 5) {
-                               int tsflags;
+               skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
 
-                               tsflags = ((skb->nh.iph->ihl - 5) +
-                                          (tcp_opt_len >> 2));
-                               mss |= (tsflags << 11);
-                       }
-               } else {
-                       if (tcp_opt_len || skb->nh.iph->ihl > 5) {
-                               int tsflags;
+               skb->h.th->check = 0;
 
-                               tsflags = ((skb->nh.iph->ihl - 5) +
-                                          (tcp_opt_len >> 2));
-                               base_flags |= tsflags << 12;
-                       }
-               }
+               mss |= (ip_tcp_len + tcp_opt_len) << 9;
        }
+       else if (skb->ip_summed == CHECKSUM_HW)
+               base_flags |= TXD_FLAG_TCPUDP_CSUM;
 #else
        mss = 0;
+       if (skb->ip_summed == CHECKSUM_HW)
+               base_flags |= TXD_FLAG_TCPUDP_CSUM;
 #endif
 #if TG3_VLAN_TAG_USED
        if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
@@ -3630,11 +3775,6 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
        tp->tx_buffers[entry].skb = skb;
        pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
 
-       would_hit_hwbug = 0;
-
-       if (tg3_4g_overflow_test(mapping, len))
-               would_hit_hwbug = entry + 1;
-
        tg3_set_txd(tp, entry, mapping, len, base_flags,
                    (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
 
@@ -3657,58 +3797,192 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        tp->tx_buffers[entry].skb = NULL;
                        pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
 
-                       if (tg3_4g_overflow_test(mapping, len)) {
-                               /* Only one should match. */
-                               if (would_hit_hwbug)
-                                       BUG();
-                               would_hit_hwbug = entry + 1;
-                       }
-
-                       if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
-                               tg3_set_txd(tp, entry, mapping, len,
-                                           base_flags, (i == last)|(mss << 1));
-                       else
-                               tg3_set_txd(tp, entry, mapping, len,
-                                           base_flags, (i == last));
-
-                       entry = NEXT_TX(entry);
-               }
-       }
-
-       if (would_hit_hwbug) {
-               u32 last_plus_one = entry;
-               u32 start;
-               unsigned int len = 0;
-
-               would_hit_hwbug -= 1;
-               entry = entry - 1 - skb_shinfo(skb)->nr_frags;
-               entry &= (TG3_TX_RING_SIZE - 1);
-               start = entry;
-               i = 0;
-               while (entry != last_plus_one) {
-                       if (i == 0)
-                               len = skb_headlen(skb);
-                       else
-                               len = skb_shinfo(skb)->frags[i-1].size;
-
-                       if (entry == would_hit_hwbug)
-                               break;
+                       tg3_set_txd(tp, entry, mapping, len,
+                                   base_flags, (i == last) | (mss << 1));
 
-                       i++;
                        entry = NEXT_TX(entry);
-
                }
-
-               /* If the workaround fails due to memory/mapping
-                * failure, silently drop this packet.
-                */
-               if (tigon3_4gb_hwbug_workaround(tp, skb,
-                                               entry, len,
-                                               last_plus_one,
-                                               &start, mss))
-                       goto out_unlock;
-
-               entry = start;
+       }
+
+       /* Packets are ready, update Tx producer idx local and on card. */
+       tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
+
+       tp->tx_prod = entry;
+       if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) {
+               netif_stop_queue(dev);
+               if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH)
+                       netif_wake_queue(tp->dev);
+       }
+
+out_unlock:
+       mmiowb();
+       spin_unlock(&tp->tx_lock);
+
+       dev->trans_start = jiffies;
+
+       return NETDEV_TX_OK;
+}
+
+/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
+ * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
+ */
+static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
+{
+       struct tg3 *tp = netdev_priv(dev);
+       dma_addr_t mapping;
+       u32 len, entry, base_flags, mss;
+       int would_hit_hwbug;
+
+       len = skb_headlen(skb);
+
+       /* No BH disabling for tx_lock here.  We are running in BH disabled
+        * context and TX reclaim runs via tp->poll inside of a software
+        * interrupt.  Furthermore, IRQ processing runs lockless so we have
+        * no IRQ context deadlocks to worry about either.  Rejoice!
+        */
+       if (!spin_trylock(&tp->tx_lock))
+               return NETDEV_TX_LOCKED; 
+
+       if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
+               if (!netif_queue_stopped(dev)) {
+                       netif_stop_queue(dev);
+
+                       /* This is a hard error, log it. */
+                       printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
+                              "queue awake!\n", dev->name);
+               }
+               spin_unlock(&tp->tx_lock);
+               return NETDEV_TX_BUSY;
+       }
+
+       entry = tp->tx_prod;
+       base_flags = 0;
+       if (skb->ip_summed == CHECKSUM_HW)
+               base_flags |= TXD_FLAG_TCPUDP_CSUM;
+#if TG3_TSO_SUPPORT != 0
+       mss = 0;
+       if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
+           (mss = skb_shinfo(skb)->tso_size) != 0) {
+               int tcp_opt_len, ip_tcp_len;
+
+               if (skb_header_cloned(skb) &&
+                   pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
+                       dev_kfree_skb(skb);
+                       goto out_unlock;
+               }
+
+               tcp_opt_len = ((skb->h.th->doff - 5) * 4);
+               ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
+
+               base_flags |= (TXD_FLAG_CPU_PRE_DMA |
+                              TXD_FLAG_CPU_POST_DMA);
+
+               skb->nh.iph->check = 0;
+               skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
+               if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
+                       skb->h.th->check = 0;
+                       base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
+               }
+               else {
+                       skb->h.th->check =
+                               ~csum_tcpudp_magic(skb->nh.iph->saddr,
+                                                  skb->nh.iph->daddr,
+                                                  0, IPPROTO_TCP, 0);
+               }
+
+               if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
+                   (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
+                       if (tcp_opt_len || skb->nh.iph->ihl > 5) {
+                               int tsflags;
+
+                               tsflags = ((skb->nh.iph->ihl - 5) +
+                                          (tcp_opt_len >> 2));
+                               mss |= (tsflags << 11);
+                       }
+               } else {
+                       if (tcp_opt_len || skb->nh.iph->ihl > 5) {
+                               int tsflags;
+
+                               tsflags = ((skb->nh.iph->ihl - 5) +
+                                          (tcp_opt_len >> 2));
+                               base_flags |= tsflags << 12;
+                       }
+               }
+       }
+#else
+       mss = 0;
+#endif
+#if TG3_VLAN_TAG_USED
+       if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
+               base_flags |= (TXD_FLAG_VLAN |
+                              (vlan_tx_tag_get(skb) << 16));
+#endif
+
+       /* Queue skb data, a.k.a. the main skb fragment. */
+       mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+
+       tp->tx_buffers[entry].skb = skb;
+       pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
+
+       would_hit_hwbug = 0;
+
+       if (tg3_4g_overflow_test(mapping, len))
+               would_hit_hwbug = 1;
+
+       tg3_set_txd(tp, entry, mapping, len, base_flags,
+                   (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
+
+       entry = NEXT_TX(entry);
+
+       /* Now loop through additional data fragments, and queue them. */
+       if (skb_shinfo(skb)->nr_frags > 0) {
+               unsigned int i, last;
+
+               last = skb_shinfo(skb)->nr_frags - 1;
+               for (i = 0; i <= last; i++) {
+                       skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+                       len = frag->size;
+                       mapping = pci_map_page(tp->pdev,
+                                              frag->page,
+                                              frag->page_offset,
+                                              len, PCI_DMA_TODEVICE);
+
+                       tp->tx_buffers[entry].skb = NULL;
+                       pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
+
+                       if (tg3_4g_overflow_test(mapping, len))
+                               would_hit_hwbug = 1;
+
+                       if (tg3_40bit_overflow_test(tp, mapping, len))
+                               would_hit_hwbug = 1;
+
+                       if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
+                               tg3_set_txd(tp, entry, mapping, len,
+                                           base_flags, (i == last)|(mss << 1));
+                       else
+                               tg3_set_txd(tp, entry, mapping, len,
+                                           base_flags, (i == last));
+
+                       entry = NEXT_TX(entry);
+               }
+       }
+
+       if (would_hit_hwbug) {
+               u32 last_plus_one = entry;
+               u32 start;
+
+               start = entry - 1 - skb_shinfo(skb)->nr_frags;
+               start &= (TG3_TX_RING_SIZE - 1);
+
+               /* If the workaround fails due to memory/mapping
+                * failure, silently drop this packet.
+                */
+               if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
+                                               &start, base_flags, mss))
+                       goto out_unlock;
+
+               entry = start;
        }
 
        /* Packets are ready, update Tx producer idx local and on card. */
@@ -3736,14 +4010,14 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
        dev->mtu = new_mtu;
 
        if (new_mtu > ETH_DATA_LEN) {
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+               if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
                        tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
                        ethtool_op_set_tso(dev, 0);
                }
                else
                        tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
        } else {
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+               if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
                        tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
                tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
        }
@@ -3874,7 +4148,7 @@ static void tg3_init_rings(struct tg3 *tp)
        memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
 
        tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
-       if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) &&
+       if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
            (tp->dev->mtu > ETH_DATA_LEN))
                tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
 
@@ -3929,10 +4203,8 @@ static void tg3_init_rings(struct tg3 *tp)
  */
 static void tg3_free_consistent(struct tg3 *tp)
 {
-       if (tp->rx_std_buffers) {
-               kfree(tp->rx_std_buffers);
-               tp->rx_std_buffers = NULL;
-       }
+       kfree(tp->rx_std_buffers);
+       tp->rx_std_buffers = NULL;
        if (tp->rx_std) {
                pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
                                    tp->rx_std, tp->rx_std_mapping);
@@ -4151,14 +4423,19 @@ static int tg3_nvram_lock(struct tg3 *tp)
        if (tp->tg3_flags & TG3_FLAG_NVRAM) {
                int i;
 
-               tw32(NVRAM_SWARB, SWARB_REQ_SET1);
-               for (i = 0; i < 8000; i++) {
-                       if (tr32(NVRAM_SWARB) & SWARB_GNT1)
-                               break;
-                       udelay(20);
+               if (tp->nvram_lock_cnt == 0) {
+                       tw32(NVRAM_SWARB, SWARB_REQ_SET1);
+                       for (i = 0; i < 8000; i++) {
+                               if (tr32(NVRAM_SWARB) & SWARB_GNT1)
+                                       break;
+                               udelay(20);
+                       }
+                       if (i == 8000) {
+                               tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
+                               return -ENODEV;
+                       }
                }
-               if (i == 8000)
-                       return -ENODEV;
+               tp->nvram_lock_cnt++;
        }
        return 0;
 }
@@ -4166,8 +4443,12 @@ static int tg3_nvram_lock(struct tg3 *tp)
 /* tp->lock is held. */
 static void tg3_nvram_unlock(struct tg3 *tp)
 {
-       if (tp->tg3_flags & TG3_FLAG_NVRAM)
-               tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
+       if (tp->tg3_flags & TG3_FLAG_NVRAM) {
+               if (tp->nvram_lock_cnt > 0)
+                       tp->nvram_lock_cnt--;
+               if (tp->nvram_lock_cnt == 0)
+                       tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
+       }
 }
 
 /* tp->lock is held. */
@@ -4278,8 +4559,18 @@ static int tg3_chip_reset(struct tg3 *tp)
        void (*write_op)(struct tg3 *, u32, u32);
        int i;
 
-       if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
+       if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
                tg3_nvram_lock(tp);
+               /* No matching tg3_nvram_unlock() after this because
+                * chip reset below will undo the nvram lock.
+                */
+               tp->nvram_lock_cnt = 0;
+       }
+
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+               tw32(GRC_FASTBOOT_PC, 0);
 
        /*
         * We must avoid the readl() that normally takes place.
@@ -4371,7 +4662,7 @@ static int tg3_chip_reset(struct tg3 *tp)
        val &= ~PCIX_CAPS_RELAXED_ORDERING;
        pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
 
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
                u32 val;
 
                /* Chip reset on 5780 will reset MSI enable bit,
@@ -4675,6 +4966,10 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
                       (offset == RX_CPU_BASE ? "RX" : "TX"));
                return -ENODEV;
        }
+
+       /* Clear firmware's nvram arbitration. */
+       if (tp->tg3_flags & TG3_FLAG_NVRAM)
+               tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
        return 0;
 }
 
@@ -4694,7 +4989,7 @@ struct fw_info {
 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
                                 int cpu_scratch_size, struct fw_info *info)
 {
-       int err, i;
+       int err, lock_err, i;
        void (*write_op)(struct tg3 *, u32, u32);
 
        if (cpu_base == TX_CPU_BASE &&
@@ -4713,9 +5008,10 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_b
        /* It is possible that bootcode is still loading at this point.
         * Get the nvram lock first before halting the cpu.
         */
-       tg3_nvram_lock(tp);
+       lock_err = tg3_nvram_lock(tp);
        err = tg3_halt_cpu(tp, cpu_base);
-       tg3_nvram_unlock(tp);
+       if (!lock_err)
+               tg3_nvram_unlock(tp);
        if (err)
                goto out;
 
@@ -5420,8 +5716,14 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
        struct tg3 *tp = netdev_priv(dev);
        struct sockaddr *addr = p;
 
+       if (!is_valid_ether_addr(addr->sa_data))
+               return -EINVAL;
+
        memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 
+       if (!netif_running(dev))
+               return 0;
+
        spin_lock_bh(&tp->lock);
        __tg3_set_mac_addr(tp);
        spin_unlock_bh(&tp->lock);
@@ -5489,6 +5791,9 @@ static int tg3_reset_hw(struct tg3 *tp)
                tg3_abort_hw(tp, 1);
        }
 
+       if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+               tg3_phy_reset(tp);
+
        err = tg3_chip_reset(tp);
        if (err)
                return err;
@@ -5831,6 +6136,13 @@ static int tg3_reset_hw(struct tg3 *tp)
        }
        memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
 
+       if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
+               tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
+               /* reset to prevent losing 1st rx packet intermittently */
+               tw32_f(MAC_RX_MODE, RX_MODE_RESET);
+               udelay(10);
+       }
+
        tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
                MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
        tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
@@ -5852,6 +6164,9 @@ static int tg3_reset_hw(struct tg3 *tp)
                        gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
                                     GRC_LCLCTRL_GPIO_OUTPUT3;
 
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+                       gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
+
                tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
 
                /* GPIO1 must be driven high for eeprom write protect */
@@ -5890,6 +6205,11 @@ static int tg3_reset_hw(struct tg3 *tp)
                }
        }
 
+       /* Enable host coalescing bug fix */
+       if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
+           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
+               val |= (1 << 29);
+
        tw32_f(WDMAC_MODE, val);
        udelay(40);
 
@@ -5945,6 +6265,9 @@ static int tg3_reset_hw(struct tg3 *tp)
        udelay(100);
 
        tp->rx_mode = RX_MODE_ENABLE;
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+               tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
+
        tw32_f(MAC_RX_MODE, tp->rx_mode);
        udelay(10);
 
@@ -5962,7 +6285,7 @@ static int tg3_reset_hw(struct tg3 *tp)
        tw32(MAC_LED_CTRL, tp->led_ctrl);
 
        tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
-       if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
+       if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
                tw32_f(MAC_RX_MODE, RX_MODE_RESET);
                udelay(10);
        }
@@ -5994,6 +6317,17 @@ static int tg3_reset_hw(struct tg3 *tp)
                tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
        }
 
+       if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
+           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
+               u32 tmp;
+
+               tmp = tr32(SERDES_RX_CTRL);
+               tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
+               tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
+               tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
+               tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
+       }
+
        err = tg3_setup_phy(tp, 1);
        if (err)
                return err;
@@ -6017,7 +6351,7 @@ static int tg3_reset_hw(struct tg3 *tp)
        tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
 
        if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
-           (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780))
+           !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
                limit = 8;
        else
                limit = 16;
@@ -6072,7 +6406,7 @@ static int tg3_init_hw(struct tg3 *tp)
        int err;
 
        /* Force the chip into D0. */
-       err = tg3_set_power_state(tp, 0);
+       err = tg3_set_power_state(tp, PCI_D0);
        if (err)
                goto out;
 
@@ -6134,6 +6468,9 @@ static void tg3_timer(unsigned long __opaque)
 {
        struct tg3 *tp = (struct tg3 *) __opaque;
 
+       if (tp->irq_sync)
+               goto restart_timer;
+
        spin_lock(&tp->lock);
 
        if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
@@ -6205,14 +6542,16 @@ static void tg3_timer(unsigned long __opaque)
                tp->timer_counter = tp->timer_multiplier;
        }
 
-       /* Heartbeat is only sent once every 120 seconds.  */
+       /* Heartbeat is only sent once every 2 seconds.  */
        if (!--tp->asf_counter) {
                if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
                        u32 val;
 
-                       tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_ALIVE);
+                       tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
+                                     FWCMD_NICDRV_ALIVE2);
                        tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
-                       tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 3);
+                       /* 5 seconds timeout */
+                       tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
                        val = tr32(GRC_RX_CPU_EVENT);
                        val |= (1 << 14);
                        tw32(GRC_RX_CPU_EVENT, val);
@@ -6222,10 +6561,31 @@ static void tg3_timer(unsigned long __opaque)
 
        spin_unlock(&tp->lock);
 
+restart_timer:
        tp->timer.expires = jiffies + tp->timer_offset;
        add_timer(&tp->timer);
 }
 
+static int tg3_request_irq(struct tg3 *tp)
+{
+       irqreturn_t (*fn)(int, void *, struct pt_regs *);
+       unsigned long flags;
+       struct net_device *dev = tp->dev;
+
+       if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+               fn = tg3_msi;
+               if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
+                       fn = tg3_msi_1shot;
+               flags = SA_SAMPLE_RANDOM;
+       } else {
+               fn = tg3_interrupt;
+               if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+                       fn = tg3_interrupt_tagged;
+               flags = SA_SHIRQ | SA_SAMPLE_RANDOM;
+       }
+       return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
+}
+
 static int tg3_test_interrupt(struct tg3 *tp)
 {
        struct net_device *dev = tp->dev;
@@ -6244,6 +6604,7 @@ static int tg3_test_interrupt(struct tg3 *tp)
        if (err)
                return err;
 
+       tp->hw_status->status &= ~SD_STATUS_UPDATED;
        tg3_enable_ints(tp);
 
        tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
@@ -6261,16 +6622,7 @@ static int tg3_test_interrupt(struct tg3 *tp)
 
        free_irq(tp->pdev->irq, dev);
        
-       if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
-               err = request_irq(tp->pdev->irq, tg3_msi,
-                                 SA_SAMPLE_RANDOM, dev->name, dev);
-       else {
-               irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
-               if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
-                       fn = tg3_interrupt_tagged;
-               err = request_irq(tp->pdev->irq, fn,
-                                 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
-       }
+       err = tg3_request_irq(tp);
 
        if (err)
                return err;
@@ -6322,14 +6674,7 @@ static int tg3_test_msi(struct tg3 *tp)
 
        tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
 
-       {
-               irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
-               if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
-                       fn = tg3_interrupt_tagged;
-
-               err = request_irq(tp->pdev->irq, fn,
-                                 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
-       }
+       err = tg3_request_irq(tp);
        if (err)
                return err;
 
@@ -6356,6 +6701,10 @@ static int tg3_open(struct net_device *dev)
 
        tg3_full_lock(tp, 0);
 
+       err = tg3_set_power_state(tp, PCI_D0);
+       if (err)
+               return err;
+
        tg3_disable_ints(tp);
        tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
 
@@ -6370,7 +6719,9 @@ static int tg3_open(struct net_device *dev)
 
        if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
            (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
-           (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
+           (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
+           !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
+             (tp->pdev_peer == tp->pdev))) {
                /* All MSI supporting chips should support tagged
                 * status.  Assert that this is the case.
                 */
@@ -6385,17 +6736,7 @@ static int tg3_open(struct net_device *dev)
                        tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
                }
        }
-       if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
-               err = request_irq(tp->pdev->irq, tg3_msi,
-                                 SA_SAMPLE_RANDOM, dev->name, dev);
-       else {
-               irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
-               if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
-                       fn = tg3_interrupt_tagged;
-
-               err = request_irq(tp->pdev->irq, fn,
-                                 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
-       }
+       err = tg3_request_irq(tp);
 
        if (err) {
                if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
@@ -6422,7 +6763,7 @@ static int tg3_open(struct net_device *dev)
                tp->timer_counter = tp->timer_multiplier =
                        (HZ / tp->timer_offset);
                tp->asf_counter = tp->asf_multiplier =
-                       ((HZ / tp->timer_offset) * 120);
+                       ((HZ / tp->timer_offset) * 2);
 
                init_timer(&tp->timer);
                tp->timer.expires = jiffies + tp->timer_offset;
@@ -6460,6 +6801,14 @@ static int tg3_open(struct net_device *dev)
 
                        return err;
                }
+
+               if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+                       if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
+                               u32 val = tr32(0x7c04);
+
+                               tw32(0x7c04, val | (1 << 29));
+                       }
+               }
        }
 
        tg3_full_lock(tp, 0);
@@ -6710,6 +7059,13 @@ static int tg3_close(struct net_device *dev)
 {
        struct tg3 *tp = netdev_priv(dev);
 
+       /* Calling flush_scheduled_work() may deadlock because
+        * linkwatch_event() may be on the workqueue and it will try to get
+        * the rtnl_lock which we are holding.
+        */
+       while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
+               msleep(1);
+
        netif_stop_queue(dev);
 
        del_timer_sync(&tp->timer);
@@ -6726,7 +7082,6 @@ static int tg3_close(struct net_device *dev)
        tp->tg3_flags &=
                ~(TG3_FLAG_INIT_COMPLETE |
                  TG3_FLAG_GOT_SERDES_FLOWCTL);
-       netif_carrier_off(tp->dev);
 
        tg3_full_unlock(tp);
 
@@ -6743,6 +7098,10 @@ static int tg3_close(struct net_device *dev)
 
        tg3_free_consistent(tp);
 
+       tg3_set_power_state(tp, PCI_D3hot);
+
+       netif_carrier_off(tp->dev);
+
        return 0;
 }
 
@@ -6901,8 +7260,7 @@ static struct net_device_stats *tg3_get_stats(struct net_device *dev)
                get_stat64(&hw_stats->tx_octets);
 
        stats->rx_errors = old_stats->rx_errors +
-               get_stat64(&hw_stats->rx_errors) +
-               get_stat64(&hw_stats->rx_discards);
+               get_stat64(&hw_stats->rx_errors);
        stats->tx_errors = old_stats->tx_errors +
                get_stat64(&hw_stats->tx_errors) +
                get_stat64(&hw_stats->tx_mac_errors) +
@@ -6930,6 +7288,9 @@ static struct net_device_stats *tg3_get_stats(struct net_device *dev)
        stats->rx_crc_errors = old_stats->rx_crc_errors +
                calc_crc_errors(tp);
 
+       stats->rx_missed_errors = old_stats->rx_missed_errors +
+               get_stat64(&hw_stats->rx_discards);
+
        return stats;
 }
 
@@ -7035,6 +7396,9 @@ static void tg3_set_rx_mode(struct net_device *dev)
 {
        struct tg3 *tp = netdev_priv(dev);
 
+       if (!netif_running(dev))
+               return;
+
        tg3_full_lock(tp, 0);
        __tg3_set_rx_mode(dev);
        tg3_full_unlock(tp);
@@ -7059,6 +7423,9 @@ static void tg3_get_regs(struct net_device *dev,
 
        memset(p, 0, TG3_REGDUMP_LEN);
 
+       if (tp->link_config.phy_is_low_power)
+               return;
+
        tg3_full_lock(tp, 0);
 
 #define __GET_REG32(reg)       (*(p)++ = tr32(reg))
@@ -7095,8 +7462,13 @@ do {     p = (u32 *)(orig_p + (reg));            \
        GET_REG32_LOOP(BUFMGR_MODE, 0x58);
        GET_REG32_LOOP(RDMAC_MODE, 0x08);
        GET_REG32_LOOP(WDMAC_MODE, 0x08);
-       GET_REG32_LOOP(RX_CPU_BASE, 0x280);
-       GET_REG32_LOOP(TX_CPU_BASE, 0x280);
+       GET_REG32_1(RX_CPU_MODE);
+       GET_REG32_1(RX_CPU_STATE);
+       GET_REG32_1(RX_CPU_PGMCTR);
+       GET_REG32_1(RX_CPU_HWBKPT);
+       GET_REG32_1(TX_CPU_MODE);
+       GET_REG32_1(TX_CPU_STATE);
+       GET_REG32_1(TX_CPU_PGMCTR);
        GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
        GET_REG32_LOOP(FTQ_RESET, 0x120);
        GET_REG32_LOOP(MSGINT_MODE, 0x0c);
@@ -7120,6 +7492,7 @@ static int tg3_get_eeprom_len(struct net_device *dev)
 }
 
 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
+static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
 
 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
 {
@@ -7128,6 +7501,9 @@ static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
        u8  *pd;
        u32 i, offset, len, val, b_offset, b_count;
 
+       if (tp->link_config.phy_is_low_power)
+               return -EAGAIN;
+
        offset = eeprom->offset;
        len = eeprom->len;
        eeprom->len = 0;
@@ -7189,6 +7565,9 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
        u32 offset, len, b_offset, odd_len, start, end;
        u8 *buf;
 
+       if (tp->link_config.phy_is_low_power)
+               return -EAGAIN;
+
        if (eeprom->magic != TG3_EEPROM_MAGIC)
                return -EINVAL;
 
@@ -7248,7 +7627,7 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                cmd->supported |= (SUPPORTED_1000baseT_Half |
                                   SUPPORTED_1000baseT_Full);
 
-       if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES))
+       if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
                cmd->supported |= (SUPPORTED_100baseT_Half |
                                  SUPPORTED_100baseT_Full |
                                  SUPPORTED_10baseT_Half |
@@ -7275,7 +7654,7 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
        struct tg3 *tp = netdev_priv(dev);
   
-       if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
+       if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) { 
                /* These are the only valid advertisement bits allowed.  */
                if (cmd->autoneg == AUTONEG_ENABLE &&
                    (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
@@ -7283,7 +7662,17 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                                          ADVERTISED_Autoneg |
                                          ADVERTISED_FIBRE)))
                        return -EINVAL;
-       }
+               /* Fiber can only do SPEED_1000.  */
+               else if ((cmd->autoneg != AUTONEG_ENABLE) &&
+                        (cmd->speed != SPEED_1000))
+                       return -EINVAL;
+       /* Copper cannot force SPEED_1000.  */
+       } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
+                  (cmd->speed == SPEED_1000))
+               return -EINVAL;
+       else if ((cmd->speed == SPEED_1000) &&
+                (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
+               return -EINVAL;
 
        tg3_full_lock(tp, 0);
 
@@ -7312,6 +7701,7 @@ static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info
   
        strcpy(info->driver, DRV_MODULE_NAME);
        strcpy(info->version, DRV_MODULE_VERSION);
+       strcpy(info->fw_version, tp->fw_ver);
        strcpy(info->bus_info, pci_name(tp->pdev));
 }
   
@@ -7382,12 +7772,17 @@ static int tg3_nway_reset(struct net_device *dev)
        if (!netif_running(dev))
                return -EAGAIN;
 
+       if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
+               return -EINVAL;
+
        spin_lock_bh(&tp->lock);
        r = -EINVAL;
        tg3_readphy(tp, MII_BMCR, &bmcr);
        if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
-           (bmcr & BMCR_ANENABLE)) {
-               tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART);
+           ((bmcr & BMCR_ANENABLE) ||
+            (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
+               tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
+                                          BMCR_ANENABLE);
                r = 0;
        }
        spin_unlock_bh(&tp->lock);
@@ -7401,11 +7796,20 @@ static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *
   
        ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
        ering->rx_mini_max_pending = 0;
-       ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+       if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
+               ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+       else
+               ering->rx_jumbo_max_pending = 0;
+
+       ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
 
        ering->rx_pending = tp->rx_pending;
        ering->rx_mini_pending = 0;
-       ering->rx_jumbo_pending = tp->rx_jumbo_pending;
+       if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
+               ering->rx_jumbo_pending = tp->rx_jumbo_pending;
+       else
+               ering->rx_jumbo_pending = 0;
+
        ering->tx_pending = tp->tx_pending;
 }
   
@@ -7526,10 +7930,11 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
                return 0;
        }
   
-       if (data)
-               dev->features |= NETIF_F_IP_CSUM;
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+               ethtool_op_set_tx_hw_csum(dev, data);
        else
-               dev->features &= ~NETIF_F_IP_CSUM;
+               ethtool_op_set_tx_csum(dev, data);
 
        return 0;
 }
@@ -7599,29 +8004,52 @@ static void tg3_get_ethtool_stats (struct net_device *dev,
 }
 
 #define NVRAM_TEST_SIZE 0x100
+#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
 
 static int tg3_test_nvram(struct tg3 *tp)
 {
-       u32 *buf, csum;
-       int i, j, err = 0;
+       u32 *buf, csum, magic;
+       int i, j, err = 0, size;
 
-       buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
+       if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
+               return -EIO;
+
+       if (magic == TG3_EEPROM_MAGIC)
+               size = NVRAM_TEST_SIZE;
+       else if ((magic & 0xff000000) == 0xa5000000) {
+               if ((magic & 0xe00000) == 0x200000)
+                       size = NVRAM_SELFBOOT_FORMAT1_SIZE;
+               else
+                       return 0;
+       } else
+               return -EIO;
+
+       buf = kmalloc(size, GFP_KERNEL);
        if (buf == NULL)
                return -ENOMEM;
 
-       for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
+       err = -EIO;
+       for (i = 0, j = 0; i < size; i += 4, j++) {
                u32 val;
 
                if ((err = tg3_nvram_read(tp, i, &val)) != 0)
                        break;
                buf[j] = cpu_to_le32(val);
        }
-       if (i < NVRAM_TEST_SIZE)
+       if (i < size)
                goto out;
 
-       err = -EIO;
-       if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
-               goto out;
+       /* Selfboot format */
+       if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC) {
+               u8 *buf8 = (u8 *) buf, csum8 = 0;
+
+               for (i = 0; i < size; i++)
+                       csum8 += buf8[i];
+
+               if (csum8 == 0)
+                       return 0;
+               return -EIO;
+       }
 
        /* Bootstrap checksum at offset 0x10 */
        csum = calc_crc((unsigned char *) buf, 0x10);
@@ -7881,7 +8309,7 @@ out:
 
 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
 {
-       static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
+       static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
        int i;
        u32 j;
 
@@ -7904,26 +8332,36 @@ static int tg3_test_memory(struct tg3 *tp)
                u32 offset;
                u32 len;
        } mem_tbl_570x[] = {
-               { 0x00000000, 0x01000},
+               { 0x00000000, 0x00b50},
                { 0x00002000, 0x1c000},
                { 0xffffffff, 0x00000}
        }, mem_tbl_5705[] = {
                { 0x00000100, 0x0000c},
                { 0x00000200, 0x00008},
-               { 0x00000b50, 0x00400},
                { 0x00004000, 0x00800},
                { 0x00006000, 0x01000},
                { 0x00008000, 0x02000},
                { 0x00010000, 0x0e000},
                { 0xffffffff, 0x00000}
+       }, mem_tbl_5755[] = {
+               { 0x00000200, 0x00008},
+               { 0x00004000, 0x00800},
+               { 0x00006000, 0x00800},
+               { 0x00008000, 0x02000},
+               { 0x00010000, 0x0c000},
+               { 0xffffffff, 0x00000}
        };
        struct mem_entry *mem_tbl;
        int err = 0;
        int i;
 
-       if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
-               mem_tbl = mem_tbl_5705;
-       else
+       if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+                   GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+                       mem_tbl = mem_tbl_5755;
+               else
+                       mem_tbl = mem_tbl_5705;
+       } else
                mem_tbl = mem_tbl_570x;
 
        for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
@@ -7949,19 +8387,35 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
        struct tg3_rx_buffer_desc *desc;
 
        if (loopback_mode == TG3_MAC_LOOPBACK) {
+               /* HW errata - mac loopback fails in some cases on 5780.
+                * Normal traffic and PHY loopback are not affected by
+                * errata.
+                */
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+                       return 0;
+
                mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
                           MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY |
                           MAC_MODE_PORT_MODE_GMII;
                tw32(MAC_MODE, mac_mode);
        } else if (loopback_mode == TG3_PHY_LOOPBACK) {
+               tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
+                                          BMCR_SPEED1000);
+               udelay(40);
+               /* reset to prevent losing 1st rx packet intermittently */
+               if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
+                       tw32_f(MAC_RX_MODE, RX_MODE_RESET);
+                       udelay(10);
+                       tw32_f(MAC_RX_MODE, tp->rx_mode);
+               }
                mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
                           MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII;
-               if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
+               if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
                        mac_mode &= ~MAC_MODE_LINK_POLARITY;
+                       tg3_writephy(tp, MII_TG3_EXT_CTRL,
+                                    MII_TG3_EXT_CTRL_LNK3_LED_MODE);
+               }
                tw32(MAC_MODE, mac_mode);
-
-               tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
-                                          BMCR_SPEED1000);
        }
        else
                return -EINVAL;
@@ -8082,6 +8536,9 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
 {
        struct tg3 *tp = netdev_priv(dev);
 
+       if (tp->link_config.phy_is_low_power)
+               tg3_set_power_state(tp, PCI_D0);
+
        memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
 
        if (tg3_test_nvram(tp) != 0) {
@@ -8093,7 +8550,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
                data[1] = 1;
        }
        if (etest->flags & ETH_TEST_FL_OFFLINE) {
-               int irq_sync = 0;
+               int err, irq_sync = 0;
 
                if (netif_running(dev)) {
                        tg3_netif_stop(tp);
@@ -8103,11 +8560,15 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
                tg3_full_lock(tp, irq_sync);
 
                tg3_halt(tp, RESET_KIND_SUSPEND, 1);
-               tg3_nvram_lock(tp);
+               err = tg3_nvram_lock(tp);
                tg3_halt_cpu(tp, RX_CPU_BASE);
                if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
                        tg3_halt_cpu(tp, TX_CPU_BASE);
-               tg3_nvram_unlock(tp);
+               if (!err)
+                       tg3_nvram_unlock(tp);
+
+               if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+                       tg3_phy_reset(tp);
 
                if (tg3_test_registers(tp) != 0) {
                        etest->flags |= ETH_TEST_FL_FAILED;
@@ -8138,6 +8599,9 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
 
                tg3_full_unlock(tp);
        }
+       if (tp->link_config.phy_is_low_power)
+               tg3_set_power_state(tp, PCI_D3hot);
+
 }
 
 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -8157,6 +8621,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
                        break;                  /* We have no PHY */
 
+               if (tp->link_config.phy_is_low_power)
+                       return -EAGAIN;
+
                spin_lock_bh(&tp->lock);
                err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
                spin_unlock_bh(&tp->lock);
@@ -8173,6 +8640,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                if (!capable(CAP_NET_ADMIN))
                        return -EPERM;
 
+               if (tp->link_config.phy_is_low_power)
+                       return -EAGAIN;
+
                spin_lock_bh(&tp->lock);
                err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
                spin_unlock_bh(&tp->lock);
@@ -8311,18 +8781,19 @@ static struct ethtool_ops tg3_ethtool_ops = {
        .get_ethtool_stats      = tg3_get_ethtool_stats,
        .get_coalesce           = tg3_get_coalesce,
        .set_coalesce           = tg3_set_coalesce,
+       .get_perm_addr          = ethtool_op_get_perm_addr,
 };
 
 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
 {
-       u32 cursize, val;
+       u32 cursize, val, magic;
 
        tp->nvram_size = EEPROM_CHIP_SIZE;
 
-       if (tg3_nvram_read(tp, 0, &val) != 0)
+       if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
                return;
 
-       if (swab32(val) != TG3_EEPROM_MAGIC)
+       if ((magic != TG3_EEPROM_MAGIC) && ((magic & 0xff000000) != 0xa5000000))
                return;
 
        /*
@@ -8330,13 +8801,13 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
         * When we encounter our validation signature, we know the addressing
         * has wrapped around, and thus have our chip size.
         */
-       cursize = 0x800;
+       cursize = 0x10;
 
        while (cursize < tp->nvram_size) {
-               if (tg3_nvram_read(tp, cursize, &val) != 0)
+               if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
                        return;
 
-               if (swab32(val) == TG3_EEPROM_MAGIC)
+               if (val == magic)
                        break;
 
                cursize <<= 1;
@@ -8349,6 +8820,15 @@ static void __devinit tg3_get_nvram_size(struct tg3 *tp)
 {
        u32 val;
 
+       if (tg3_nvram_read_swab(tp, 0, &val) != 0)
+               return;
+
+       /* Selfboot format */
+       if (val != TG3_EEPROM_MAGIC) {
+               tg3_get_eeprom_size(tp);
+               return;
+       }
+
        if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
                if (val != 0) {
                        tp->nvram_size = (val >> 16) * 1024;
@@ -8372,7 +8852,7 @@ static void __devinit tg3_get_nvram_info(struct tg3 *tp)
        }
 
        if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
-           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)) {
+           (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
                switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
                        case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
                                tp->nvram_jedecnum = JEDEC_ATMEL;
@@ -8472,6 +8952,85 @@ static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
        }
 }
 
+static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
+{
+       u32 nvcfg1;
+
+       nvcfg1 = tr32(NVRAM_CFG1);
+
+       /* NVRAM protection for TPM */
+       if (nvcfg1 & (1 << 27))
+               tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+
+       switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
+               case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
+               case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
+                       tp->nvram_jedecnum = JEDEC_ATMEL;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+
+                       nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+                       tw32(NVRAM_CFG1, nvcfg1);
+                       break;
+               case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
+               case FLASH_5755VENDOR_ATMEL_FLASH_1:
+               case FLASH_5755VENDOR_ATMEL_FLASH_2:
+               case FLASH_5755VENDOR_ATMEL_FLASH_3:
+               case FLASH_5755VENDOR_ATMEL_FLASH_4:
+                       tp->nvram_jedecnum = JEDEC_ATMEL;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                       tp->nvram_pagesize = 264;
+                       break;
+               case FLASH_5752VENDOR_ST_M45PE10:
+               case FLASH_5752VENDOR_ST_M45PE20:
+               case FLASH_5752VENDOR_ST_M45PE40:
+                       tp->nvram_jedecnum = JEDEC_ST;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                       tp->nvram_pagesize = 256;
+                       break;
+       }
+}
+
+static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
+{
+       u32 nvcfg1;
+
+       nvcfg1 = tr32(NVRAM_CFG1);
+
+       switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
+               case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
+               case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
+               case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
+               case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
+                       tp->nvram_jedecnum = JEDEC_ATMEL;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+
+                       nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+                       tw32(NVRAM_CFG1, nvcfg1);
+                       break;
+               case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
+               case FLASH_5755VENDOR_ATMEL_FLASH_1:
+               case FLASH_5755VENDOR_ATMEL_FLASH_2:
+               case FLASH_5755VENDOR_ATMEL_FLASH_3:
+                       tp->nvram_jedecnum = JEDEC_ATMEL;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                       tp->nvram_pagesize = 264;
+                       break;
+               case FLASH_5752VENDOR_ST_M45PE10:
+               case FLASH_5752VENDOR_ST_M45PE20:
+               case FLASH_5752VENDOR_ST_M45PE40:
+                       tp->nvram_jedecnum = JEDEC_ST;
+                       tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                       tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                       tp->nvram_pagesize = 256;
+                       break;
+       }
+}
+
 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
 static void __devinit tg3_nvram_init(struct tg3 *tp)
 {
@@ -8498,16 +9057,26 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
                tp->tg3_flags |= TG3_FLAG_NVRAM;
 
+               if (tg3_nvram_lock(tp)) {
+                       printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
+                              "tg3_nvram_init failed.\n", tp->dev->name);
+                       return;
+               }
                tg3_enable_nvram_access(tp);
 
                if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
                        tg3_get_5752_nvram_info(tp);
+               else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+                       tg3_get_5755_nvram_info(tp);
+               else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+                       tg3_get_5787_nvram_info(tp);
                else
                        tg3_get_nvram_info(tp);
 
                tg3_get_nvram_size(tp);
 
                tg3_disable_nvram_access(tp);
+               tg3_nvram_unlock(tp);
 
        } else {
                tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
@@ -8570,6 +9139,34 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
        return 0;
 }
 
+static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
+{
+       if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
+           (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
+           (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+           (tp->nvram_jedecnum == JEDEC_ATMEL))
+
+               addr = ((addr / tp->nvram_pagesize) <<
+                       ATMEL_AT45DB0X1B_PAGE_POS) +
+                      (addr % tp->nvram_pagesize);
+
+       return addr;
+}
+
+static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
+{
+       if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
+           (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
+           (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+           (tp->nvram_jedecnum == JEDEC_ATMEL))
+
+               addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
+                       tp->nvram_pagesize) +
+                      (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
+
+       return addr;
+}
+
 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
 {
        int ret;
@@ -8582,19 +9179,14 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
        if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
                return tg3_nvram_read_using_eeprom(tp, offset, val);
 
-       if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
-               (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
-               (tp->nvram_jedecnum == JEDEC_ATMEL)) {
-
-               offset = ((offset / tp->nvram_pagesize) <<
-                         ATMEL_AT45DB0X1B_PAGE_POS) +
-                       (offset % tp->nvram_pagesize);
-       }
+       offset = tg3_nvram_phys_addr(tp, offset);
 
        if (offset > NVRAM_ADDR_MSK)
                return -EINVAL;
 
-       tg3_nvram_lock(tp);
+       ret = tg3_nvram_lock(tp);
+       if (ret)
+               return ret;
 
        tg3_enable_nvram_access(tp);
 
@@ -8605,13 +9197,23 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
        if (ret == 0)
                *val = swab32(tr32(NVRAM_RDDATA));
 
-       tg3_nvram_unlock(tp);
-
        tg3_disable_nvram_access(tp);
 
+       tg3_nvram_unlock(tp);
+
        return ret;
 }
 
+static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
+{
+       int err;
+       u32 tmp;
+
+       err = tg3_nvram_read(tp, offset, &tmp);
+       *val = swab32(tmp);
+       return err;
+}
+
 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
                                    u32 offset, u32 len, u8 *buf)
 {
@@ -8764,15 +9366,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
 
                page_off = offset % tp->nvram_pagesize;
 
-               if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
-                       (tp->nvram_jedecnum == JEDEC_ATMEL)) {
-
-                       phy_addr = ((offset / tp->nvram_pagesize) <<
-                                   ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
-               }
-               else {
-                       phy_addr = offset;
-               }
+               phy_addr = tg3_nvram_phys_addr(tp, offset);
 
                tw32(NVRAM_ADDR, phy_addr);
 
@@ -8787,6 +9381,8 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
                        nvram_cmd |= NVRAM_CMD_LAST;
 
                if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
+                   (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
+                   (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
                    (tp->nvram_jedecnum == JEDEC_ST) &&
                    (nvram_cmd & NVRAM_CMD_FIRST)) {
 
@@ -8829,7 +9425,9 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
        else {
                u32 grc_mode;
 
-               tg3_nvram_lock(tp);
+               ret = tg3_nvram_lock(tp);
+               if (ret)
+                       return ret;
 
                tg3_enable_nvram_access(tp);
                if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
@@ -8922,12 +9520,18 @@ static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
        return NULL;
 }
 
-/* Since this function may be called in D3-hot power state during
- * tg3_init_one(), only config cycles are allowed.
- */
 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
 {
        u32 val;
+       u16 pmcsr;
+
+       /* On some early chips the SRAM cannot be accessed in D3hot state,
+        * so need make sure we're in D0.
+        */
+       pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
+       pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+       pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
+       msleep(1);
 
        /* Make sure register accesses (indirect or otherwise)
         * will function correctly.
@@ -8938,6 +9542,10 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
        tp->phy_id = PHY_ID_INVALID;
        tp->led_ctrl = LED_CTRL_MODE_PHY_1;
 
+       /* Do not even try poking around in here on Sun parts.  */
+       if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
+               return;
+
        tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
        if (val == NIC_SRAM_DATA_SIG_MAGIC) {
                u32 nic_cfg, led_cfg;
@@ -8972,7 +9580,7 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
 
                tp->phy_id = eeprom_phy_id;
                if (eeprom_phy_serdes) {
-                       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+                       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
                                tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
                        else
                                tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
@@ -9184,6 +9792,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 {
        unsigned char vpd_data[256];
        int i;
+       u32 magic;
 
        if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
                /* Sun decided not to put the necessary bits in the
@@ -9193,16 +9802,43 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
                return;
        }
 
-       for (i = 0; i < 256; i += 4) {
-               u32 tmp;
+       if (tg3_nvram_read_swab(tp, 0x0, &magic))
+               return;
 
-               if (tg3_nvram_read(tp, 0x100 + i, &tmp))
-                       goto out_not_found;
+       if (magic == TG3_EEPROM_MAGIC) {
+               for (i = 0; i < 256; i += 4) {
+                       u32 tmp;
+
+                       if (tg3_nvram_read(tp, 0x100 + i, &tmp))
+                               goto out_not_found;
 
-               vpd_data[i + 0] = ((tmp >>  0) & 0xff);
-               vpd_data[i + 1] = ((tmp >>  8) & 0xff);
-               vpd_data[i + 2] = ((tmp >> 16) & 0xff);
-               vpd_data[i + 3] = ((tmp >> 24) & 0xff);
+                       vpd_data[i + 0] = ((tmp >>  0) & 0xff);
+                       vpd_data[i + 1] = ((tmp >>  8) & 0xff);
+                       vpd_data[i + 2] = ((tmp >> 16) & 0xff);
+                       vpd_data[i + 3] = ((tmp >> 24) & 0xff);
+               }
+       } else {
+               int vpd_cap;
+
+               vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
+               for (i = 0; i < 256; i += 4) {
+                       u32 tmp, j = 0;
+                       u16 tmp16;
+
+                       pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
+                                             i);
+                       while (j++ < 100) {
+                               pci_read_config_word(tp->pdev, vpd_cap +
+                                                    PCI_VPD_ADDR, &tmp16);
+                               if (tmp16 & 0x8000)
+                                       break;
+                               msleep(1);
+                       }
+                       pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
+                                             &tmp);
+                       tmp = cpu_to_le32(tmp);
+                       memcpy(&vpd_data[i], &tmp, 4);
+               }
        }
 
        /* Now parse and find the part number. */
@@ -9249,6 +9885,46 @@ out_not_found:
        strcpy(tp->board_part_number, "none");
 }
 
+static void __devinit tg3_read_fw_ver(struct tg3 *tp)
+{
+       u32 val, offset, start;
+
+       if (tg3_nvram_read_swab(tp, 0, &val))
+               return;
+
+       if (val != TG3_EEPROM_MAGIC)
+               return;
+
+       if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
+           tg3_nvram_read_swab(tp, 0x4, &start))
+               return;
+
+       offset = tg3_nvram_logical_addr(tp, offset);
+       if (tg3_nvram_read_swab(tp, offset, &val))
+               return;
+
+       if ((val & 0xfc000000) == 0x0c000000) {
+               u32 ver_offset, addr;
+               int i;
+
+               if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
+                   tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+                       return;
+
+               if (val != 0)
+                       return;
+
+               addr = offset + ver_offset - start;
+               for (i = 0; i < 16; i += 4) {
+                       if (tg3_nvram_read(tp, addr + i, &val))
+                               return;
+
+                       val = cpu_to_le32(val);
+                       memcpy(tp->fw_ver + i, &val, 4);
+               }
+       }
+}
+
 #ifdef CONFIG_SPARC64
 static int __devinit tg3_is_sun_570X(struct tg3 *tp)
 {
@@ -9266,6 +9942,15 @@ static int __devinit tg3_is_sun_570X(struct tg3 *tp)
                        return 0;
                if (venid == PCI_VENDOR_ID_SUN)
                        return 1;
+
+               /* TG3 chips onboard the SunBlade-2500 don't have the
+                * subsystem-vendor-id set to PCI_VENDOR_ID_SUN but they
+                * are distinguishable from non-Sun variants by being
+                * named "network" by the firmware.  Non-Sun cards will
+                * show up as being named "ethernet".
+                */
+               if (!strcmp(pcp->prom_name, "network"))
+                       return 1;
        }
        return 0;
 }
@@ -9276,6 +9961,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        static struct pci_device_id write_reorder_chipsets[] = {
                { PCI_DEVICE(PCI_VENDOR_ID_AMD,
                             PCI_DEVICE_ID_AMD_FE_GATE_700C) },
+               { PCI_DEVICE(PCI_VENDOR_ID_VIA,
+                            PCI_DEVICE_ID_VIA_8385_0) },
                { },
        };
        u32 misc_ctrl_reg;
@@ -9290,15 +9977,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
 #endif
 
-       /* If we have an AMD 762 chipset, write
-        * reordering to the mailbox registers done by the host
-        * controller can cause major troubles.  We read back from
-        * every mailbox register write to force the writes to be
-        * posted to the chip in order.
-        */
-       if (pci_dev_present(write_reorder_chipsets))
-               tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
-
        /* Force memory write invalidate off.  If we leave it on,
         * then on 5700_BX chips we have to enable a workaround.
         * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
@@ -9391,9 +10069,36 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                }
        }
 
-       /* Find msi capability. */
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+       /* The EPB bridge inside 5714, 5715, and 5780 cannot support
+        * DMA addresses > 40-bit. This bridge may have other additional
+        * 57xx devices behind it in some 4-port NIC designs for example.
+        * Any tg3 device found behind the bridge will also need the 40-bit
+        * DMA workaround.
+        */
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
+               tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
+               tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
                tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
+       }
+       else {
+               struct pci_dev *bridge = NULL;
+
+               do {
+                       bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
+                                               PCI_DEVICE_ID_SERVERWORKS_EPB,
+                                               bridge);
+                       if (bridge && bridge->subordinate &&
+                           (bridge->subordinate->number <=
+                            tp->pdev->bus->number) &&
+                           (bridge->subordinate->subordinate >=
+                            tp->pdev->bus->number)) {
+                               tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
+                               pci_dev_put(bridge);
+                               break;
+                       }
+               } while (bridge);
+       }
 
        /* Initialize misc host control in PCI block. */
        tp->misc_host_ctrl |= (misc_ctrl_reg &
@@ -9411,24 +10116,44 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
-           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
+           (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
                tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
 
        if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
            (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
                tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
 
-       if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
-               tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
+       if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+                   GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
+                       tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
+                       tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
+               } else
+                       tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1;
+       }
 
        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
-           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
+           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
+           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
+           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787)
                tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
 
        if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
                tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
 
+       /* If we have an AMD 762 or VIA K8T800 chipset, write
+        * reordering to the mailbox registers done by the host
+        * controller can cause major troubles.  We read back from
+        * every mailbox register write to force the writes to be
+        * posted to the chip in order.
+        */
+       if (pci_dev_present(write_reorder_chipsets) &&
+           !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
+               tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
+
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
            tp->pci_lat_timer < 64) {
                tp->pci_lat_timer = 64;
@@ -9537,7 +10262,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                tp->write32_rx_mbox = tg3_write_indirect_mbox;
 
                iounmap(tp->regs);
-               tp->regs = 0;
+               tp->regs = NULL;
 
                pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
                pci_cmd &= ~PCI_COMMAND_MEMORY;
@@ -9569,8 +10294,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
                tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
 
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+               tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
+
        /* Force the chip into D0. */
-       err = tg3_set_power_state(tp, 0);
+       err = tg3_set_power_state(tp, PCI_D0);
        if (err) {
                printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
                       pci_name(tp->pdev));
@@ -9596,7 +10324,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         * ether_setup() via the alloc_etherdev() call
         */
        if (tp->dev->mtu > ETH_DATA_LEN &&
-           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780)
+           !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
                tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
 
        /* Determine WakeOnLan speed to use. */
@@ -9623,7 +10351,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
                tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
 
-       if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+       if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+           (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
+           (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787))
                tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
 
        tp->coalesce_mode = 0;
@@ -9723,6 +10453,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        }
 
        tg3_read_partno(tp);
+       tg3_read_fw_ver(tp);
 
        if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
                tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
@@ -9758,10 +10489,14 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        else
                tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
 
-       /* It seems all chips can get confused if TX buffers
+       /* All chips before 5787 can get confused if TX buffers
         * straddle the 4GB address boundary in some cases.
         */
-       tp->dev->hard_start_xmit = tg3_start_xmit;
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+               tp->dev->hard_start_xmit = tg3_start_xmit;
+       else
+               tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
 
        tp->rx_offset = 2;
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
@@ -9789,6 +10524,7 @@ static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
                if (prom_getproplen(node, "local-mac-address") == 6) {
                        prom_getproperty(node, "local-mac-address",
                                         dev->dev_addr, 6);
+                       memcpy(dev->perm_addr, dev->dev_addr, 6);
                        return 0;
                }
        }
@@ -9800,6 +10536,7 @@ static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
        struct net_device *dev = tp->dev;
 
        memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
+       memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
        return 0;
 }
 #endif
@@ -9808,6 +10545,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
 {
        struct net_device *dev = tp->dev;
        u32 hi, lo, mac_offset;
+       int addr_ok = 0;
 
 #ifdef CONFIG_SPARC64
        if (!tg3_get_macaddr_sparc(tp))
@@ -9817,7 +10555,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
        mac_offset = 0x7c;
        if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
             !(tp->tg3_flags & TG3_FLG2_SUN_570X)) ||
-           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+           (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
                if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
                        mac_offset = 0xcc;
                if (tg3_nvram_lock(tp))
@@ -9837,29 +10575,34 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
                dev->dev_addr[3] = (lo >> 16) & 0xff;
                dev->dev_addr[4] = (lo >>  8) & 0xff;
                dev->dev_addr[5] = (lo >>  0) & 0xff;
-       }
-       /* Next, try NVRAM. */
-       else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
-                !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
-                !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
-               dev->dev_addr[0] = ((hi >> 16) & 0xff);
-               dev->dev_addr[1] = ((hi >> 24) & 0xff);
-               dev->dev_addr[2] = ((lo >>  0) & 0xff);
-               dev->dev_addr[3] = ((lo >>  8) & 0xff);
-               dev->dev_addr[4] = ((lo >> 16) & 0xff);
-               dev->dev_addr[5] = ((lo >> 24) & 0xff);
-       }
-       /* Finally just fetch it out of the MAC control regs. */
-       else {
-               hi = tr32(MAC_ADDR_0_HIGH);
-               lo = tr32(MAC_ADDR_0_LOW);
 
-               dev->dev_addr[5] = lo & 0xff;
-               dev->dev_addr[4] = (lo >> 8) & 0xff;
-               dev->dev_addr[3] = (lo >> 16) & 0xff;
-               dev->dev_addr[2] = (lo >> 24) & 0xff;
-               dev->dev_addr[1] = hi & 0xff;
-               dev->dev_addr[0] = (hi >> 8) & 0xff;
+               /* Some old bootcode may report a 0 MAC address in SRAM */
+               addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
+       }
+       if (!addr_ok) {
+               /* Next, try NVRAM. */
+               if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
+                   !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
+                   !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
+                       dev->dev_addr[0] = ((hi >> 16) & 0xff);
+                       dev->dev_addr[1] = ((hi >> 24) & 0xff);
+                       dev->dev_addr[2] = ((lo >>  0) & 0xff);
+                       dev->dev_addr[3] = ((lo >>  8) & 0xff);
+                       dev->dev_addr[4] = ((lo >> 16) & 0xff);
+                       dev->dev_addr[5] = ((lo >> 24) & 0xff);
+               }
+               /* Finally just fetch it out of the MAC control regs. */
+               else {
+                       hi = tr32(MAC_ADDR_0_HIGH);
+                       lo = tr32(MAC_ADDR_0_LOW);
+
+                       dev->dev_addr[5] = lo & 0xff;
+                       dev->dev_addr[4] = (lo >> 8) & 0xff;
+                       dev->dev_addr[3] = (lo >> 16) & 0xff;
+                       dev->dev_addr[2] = (lo >> 24) & 0xff;
+                       dev->dev_addr[1] = hi & 0xff;
+                       dev->dev_addr[0] = (hi >> 8) & 0xff;
+               }
        }
 
        if (!is_valid_ether_addr(&dev->dev_addr[0])) {
@@ -9869,6 +10612,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
 #endif
                return -EINVAL;
        }
+       memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
        return 0;
 }
 
@@ -10126,7 +10870,14 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
                        u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
 
-                       if (ccval == 0x6 || ccval == 0x7)
+                       /* If the 5704 is behind the EPB bridge, we can
+                        * do the less restrictive ONE_DMA workaround for
+                        * better performance.
+                        */
+                       if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
+                           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
+                               tp->dma_rwctrl |= 0x8000;
+                       else if (ccval == 0x6 || ccval == 0x7)
                                tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
 
                        /* Set bit 23 to enable PCIX hw bug fix */
@@ -10134,6 +10885,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
                } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
                        /* 5780 always in PCIX mode */
                        tp->dma_rwctrl |= 0x00144000;
+               } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
+                       /* 5714 always in PCIX mode */
+                       tp->dma_rwctrl |= 0x00148000;
                } else {
                        tp->dma_rwctrl |= 0x001b000f;
                }
@@ -10276,7 +11030,6 @@ static void __devinit tg3_init_link_config(struct tg3 *tp)
        tp->link_config.speed = SPEED_INVALID;
        tp->link_config.duplex = DUPLEX_INVALID;
        tp->link_config.autoneg = AUTONEG_ENABLE;
-       netif_carrier_off(tp->dev);
        tp->link_config.active_speed = SPEED_INVALID;
        tp->link_config.active_duplex = DUPLEX_INVALID;
        tp->link_config.phy_is_low_power = 0;
@@ -10333,14 +11086,53 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
        case PHY_ID_BCM5705:    return "5705";
        case PHY_ID_BCM5750:    return "5750";
        case PHY_ID_BCM5752:    return "5752";
+       case PHY_ID_BCM5714:    return "5714";
        case PHY_ID_BCM5780:    return "5780";
+       case PHY_ID_BCM5755:    return "5755";
+       case PHY_ID_BCM5787:    return "5787";
        case PHY_ID_BCM8002:    return "8002/serdes";
        case 0:                 return "serdes";
        default:                return "unknown";
        };
 }
 
-static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
+static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
+{
+       if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
+               strcpy(str, "PCI Express");
+               return str;
+       } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
+               u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
+
+               strcpy(str, "PCIX:");
+
+               if ((clock_ctrl == 7) ||
+                   ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
+                    GRC_MISC_CFG_BOARD_ID_5704CIOBE))
+                       strcat(str, "133MHz");
+               else if (clock_ctrl == 0)
+                       strcat(str, "33MHz");
+               else if (clock_ctrl == 2)
+                       strcat(str, "50MHz");
+               else if (clock_ctrl == 4)
+                       strcat(str, "66MHz");
+               else if (clock_ctrl == 6)
+                       strcat(str, "100MHz");
+       } else {
+               strcpy(str, "PCI:");
+               if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
+                       strcat(str, "66MHz");
+               else
+                       strcat(str, "33MHz");
+       }
+       if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
+               strcat(str, ":32-bit");
+       else
+               strcat(str, ":64-bit");
+       return str;
+}
+
+static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
 {
        struct pci_dev *peer;
        unsigned int func, devnr = tp->pdev->devfn & ~7;
@@ -10351,8 +11143,13 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
                        break;
                pci_dev_put(peer);
        }
-       if (!peer || peer == tp->pdev)
-               BUG();
+       /* 5704 can be configured in single-port mode, set peer to
+        * tp->pdev in that case.
+        */
+       if (!peer) {
+               peer = tp->pdev;
+               return peer;
+       }
 
        /*
         * We don't need to keep the refcount elevated; there's no way
@@ -10401,7 +11198,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
        unsigned long tg3reg_base, tg3reg_len;
        struct net_device *dev;
        struct tg3 *tp;
-       int i, err, pci_using_dac, pm_cap;
+       int i, err, pm_cap;
+       char str[40];
+       u64 dma_mask, persist_dma_mask;
 
        if (tg3_version_printed++ == 0)
                printk(KERN_INFO "%s", version);
@@ -10438,26 +11237,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                goto err_out_free_res;
        }
 
-       /* Configure DMA attributes. */
-       err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
-       if (!err) {
-               pci_using_dac = 1;
-               err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
-               if (err < 0) {
-                       printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
-                              "for consistent allocations\n");
-                       goto err_out_free_res;
-               }
-       } else {
-               err = pci_set_dma_mask(pdev, 0xffffffffULL);
-               if (err) {
-                       printk(KERN_ERR PFX "No usable DMA configuration, "
-                              "aborting.\n");
-                       goto err_out_free_res;
-               }
-               pci_using_dac = 0;
-       }
-
        tg3reg_base = pci_resource_start(pdev, 0);
        tg3reg_len = pci_resource_len(pdev, 0);
 
@@ -10471,8 +11250,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
        SET_MODULE_OWNER(dev);
        SET_NETDEV_DEV(dev, &pdev->dev);
 
-       if (pci_using_dac)
-               dev->features |= NETIF_F_HIGHDMA;
        dev->features |= NETIF_F_LLTX;
 #if TG3_VLAN_TAG_USED
        dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
@@ -10557,6 +11334,45 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                goto err_out_iounmap;
        }
 
+       /* The EPB bridge inside 5714, 5715, and 5780 and any
+        * device behind the EPB cannot support DMA addresses > 40-bit.
+        * On 64-bit systems with IOMMU, use 40-bit dma_mask.
+        * On 64-bit systems without IOMMU, use 64-bit dma_mask and
+        * do DMA address check in tg3_start_xmit().
+        */
+       if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
+               persist_dma_mask = dma_mask = DMA_32BIT_MASK;
+       else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
+               persist_dma_mask = dma_mask = DMA_40BIT_MASK;
+#ifdef CONFIG_HIGHMEM
+               dma_mask = DMA_64BIT_MASK;
+#endif
+       } else
+               persist_dma_mask = dma_mask = DMA_64BIT_MASK;
+
+       /* Configure DMA attributes. */
+       if (dma_mask > DMA_32BIT_MASK) {
+               err = pci_set_dma_mask(pdev, dma_mask);
+               if (!err) {
+                       dev->features |= NETIF_F_HIGHDMA;
+                       err = pci_set_consistent_dma_mask(pdev,
+                                                         persist_dma_mask);
+                       if (err < 0) {
+                               printk(KERN_ERR PFX "Unable to obtain 64 bit "
+                                      "DMA for consistent allocations\n");
+                               goto err_out_iounmap;
+                       }
+               }
+       }
+       if (err || dma_mask == DMA_32BIT_MASK) {
+               err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+               if (err) {
+                       printk(KERN_ERR PFX "No usable DMA configuration, "
+                              "aborting.\n");
+                       goto err_out_iounmap;
+               }
+       }
+
        tg3_init_bufmgr_config(tp);
 
 #if TG3_TSO_SUPPORT != 0
@@ -10572,11 +11388,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
        }
 
-       /* TSO is off by default, user can enable using ethtool.  */
-#if 0
-       if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
+       /* TSO is on by default on chips that support hardware TSO.
+        * Firmware TSO on older chips gives lower performance, so it
+        * is off by default, but can be enabled using ethtool.
+        */
+       if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
                dev->features |= NETIF_F_TSO;
-#endif
 
 #endif
 
@@ -10587,8 +11404,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                tp->rx_pending = 63;
        }
 
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
-               tp->pdev_peer = tg3_find_5704_peer(tp);
+       if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
+           (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
+               tp->pdev_peer = tg3_find_peer(tp);
 
        err = tg3_get_device_address(tp);
        if (err) {
@@ -10619,14 +11437,16 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         * checksumming.
         */
        if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
-               dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+                   GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+                       dev->features |= NETIF_F_HW_CSUM;
+               else
+                       dev->features |= NETIF_F_IP_CSUM;
+               dev->features |= NETIF_F_SG;
                tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
        } else
                tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
 
-       if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
-               dev->features &= ~NETIF_F_HIGHDMA;
-
        /* flow control autonegotiation is default behavior */
        tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
 
@@ -10647,16 +11467,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 
        pci_set_drvdata(pdev, dev);
 
-       printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (PCI%s:%s:%s) %sBaseT Ethernet ",
+       printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
               dev->name,
               tp->board_part_number,
               tp->pci_chip_rev_id,
               tg3_phy_string(tp),
-              ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""),
-              ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ?
-               ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") :
-               ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")),
-              ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit"),
+              tg3_bus_string(tp, str),
               (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
 
        for (i = 0; i < 6; i++)
@@ -10674,15 +11490,19 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
               (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
               (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
               (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
-       printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
-              dev->name, tp->dma_rwctrl);
+       printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
+              dev->name, tp->dma_rwctrl,
+              (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
+               (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
+
+       netif_carrier_off(tp->dev);
 
        return 0;
 
 err_out_iounmap:
        if (tp->regs) {
                iounmap(tp->regs);
-               tp->regs = 0;
+               tp->regs = NULL;
        }
 
 err_out_free_dev:
@@ -10704,10 +11524,11 @@ static void __devexit tg3_remove_one(struct pci_dev *pdev)
        if (dev) {
                struct tg3 *tp = netdev_priv(dev);
 
+               flush_scheduled_work();
                unregister_netdev(dev);
                if (tp->regs) {
                        iounmap(tp->regs);
-                       tp->regs = 0;
+                       tp->regs = NULL;
                }
                free_netdev(dev);
                pci_release_regions(pdev);
@@ -10725,6 +11546,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
        if (!netif_running(dev))
                return 0;
 
+       flush_scheduled_work();
        tg3_netif_stop(tp);
 
        del_timer_sync(&tp->timer);
@@ -10737,12 +11559,14 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
 
        tg3_full_lock(tp, 0);
        tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+       tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
        tg3_full_unlock(tp);
 
        err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
        if (err) {
                tg3_full_lock(tp, 0);
 
+               tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
                tg3_init_hw(tp);
 
                tp->timer.expires = jiffies + tp->timer_offset;
@@ -10768,7 +11592,7 @@ static int tg3_resume(struct pci_dev *pdev)
 
        pci_restore_state(tp->pdev);
 
-       err = tg3_set_power_state(tp, 0);
+       err = tg3_set_power_state(tp, PCI_D0);
        if (err)
                return err;
 
@@ -10776,6 +11600,7 @@ static int tg3_resume(struct pci_dev *pdev)
 
        tg3_full_lock(tp, 0);
 
+       tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
        tg3_init_hw(tp);
 
        tp->timer.expires = jiffies + tp->timer_offset;