]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/tg3.c
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
[linux-2.6-omap-h63xx.git] / drivers / net / tg3.c
index 3a43426ced323753cea99f9a13b09aa0619dc27a..9034a05734efb86b503bfa01f8d6673f071ce1de 100644 (file)
@@ -64,8 +64,8 @@
 
 #define DRV_MODULE_NAME                "tg3"
 #define PFX DRV_MODULE_NAME    ": "
-#define DRV_MODULE_VERSION     "3.77"
-#define DRV_MODULE_RELDATE     "May 31, 2007"
+#define DRV_MODULE_VERSION     "3.81"
+#define DRV_MODULE_RELDATE     "September 5, 2007"
 
 #define TG3_DEF_MAC_MODE       0
 #define TG3_DEF_RX_MODE                0
@@ -721,6 +721,44 @@ static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
        return ret;
 }
 
+static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
+{
+       u32 phy;
+
+       if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
+           (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
+               return;
+
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+               u32 ephy;
+
+               if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
+                       tg3_writephy(tp, MII_TG3_EPHY_TEST,
+                                    ephy | MII_TG3_EPHY_SHADOW_EN);
+                       if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
+                               if (enable)
+                                       phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
+                               else
+                                       phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
+                               tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
+                       }
+                       tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
+               }
+       } else {
+               phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
+                     MII_TG3_AUXCTL_SHDWSEL_MISC;
+               if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
+                   !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
+                       if (enable)
+                               phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
+                       else
+                               phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
+                       phy |= MII_TG3_AUXCTL_MISC_WREN;
+                       tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
+               }
+       }
+}
+
 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 {
        u32 val;
@@ -1045,23 +1083,11 @@ out:
        }
 
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
-               u32 phy_reg;
-
                /* adjust output voltage */
                tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
-
-               if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
-                       u32 phy_reg2;
-
-                       tg3_writephy(tp, MII_TG3_EPHY_TEST,
-                                    phy_reg | MII_TG3_EPHY_SHADOW_EN);
-                       /* Enable auto-MDIX */
-                       if (!tg3_readphy(tp, 0x10, &phy_reg2))
-                               tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
-                       tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
-               }
        }
 
+       tg3_phy_toggle_automdix(tp, 1);
        tg3_phy_set_wirespeed(tp);
        return 0;
 }
@@ -1162,6 +1188,19 @@ static void tg3_frob_aux_power(struct tg3 *tp)
        }
 }
 
+static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
+{
+       if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
+               return 1;
+       else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
+               if (speed != SPEED_10)
+                       return 1;
+       } else if (speed == SPEED_10)
+               return 1;
+
+       return 0;
+}
+
 static int tg3_setup_phy(struct tg3 *, int);
 
 #define RESET_KIND_SHUTDOWN    0
@@ -1320,9 +1359,17 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
                        else
                                mac_mode = MAC_MODE_PORT_MODE_MII;
 
-                       if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
-                           !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
-                               mac_mode |= MAC_MODE_LINK_POLARITY;
+                       mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
+                       if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
+                           ASIC_REV_5700) {
+                               u32 speed = (tp->tg3_flags &
+                                            TG3_FLAG_WOL_SPEED_100MB) ?
+                                            SPEED_100 : SPEED_10;
+                               if (tg3_5700_link_polarity(tp, speed))
+                                       mac_mode |= MAC_MODE_LINK_POLARITY;
+                               else
+                                       mac_mode &= ~MAC_MODE_LINK_POLARITY;
+                       }
                } else {
                        mac_mode = MAC_MODE_PORT_MODE_TBI;
                }
@@ -1990,15 +2037,12 @@ relink:
        if (tp->link_config.active_duplex == DUPLEX_HALF)
                tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
 
-       tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
-               if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
-                   (current_link_up == 1 &&
-                    tp->link_config.active_speed == SPEED_10))
-                       tp->mac_mode |= MAC_MODE_LINK_POLARITY;
-       } else {
-               if (current_link_up == 1)
+               if (current_link_up == 1 &&
+                   tg3_5700_link_polarity(tp, tp->link_config.active_speed))
                        tp->mac_mode |= MAC_MODE_LINK_POLARITY;
+               else
+                       tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
        }
 
        /* ??? Without this setting Netgear GA302T PHY does not
@@ -2639,6 +2683,9 @@ static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
 
                tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
                udelay(40);
+
+               tw32_f(MAC_MODE, tp->mac_mode);
+               udelay(40);
        }
 
 out:
@@ -2698,10 +2745,6 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
        else
                current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
 
-       tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
-       tw32_f(MAC_MODE, tp->mac_mode);
-       udelay(40);
-
        tp->hw_status->status =
                (SD_STATUS_UPDATED |
                 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
@@ -3512,9 +3555,9 @@ static inline int tg3_irq_sync(struct tg3 *tp)
  */
 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
 {
+       spin_lock_bh(&tp->lock);
        if (irq_sync)
                tg3_irq_quiesce(tp);
-       spin_lock_bh(&tp->lock);
 }
 
 static inline void tg3_full_unlock(struct tg3 *tp)
@@ -4804,6 +4847,59 @@ static int tg3_poll_fw(struct tg3 *tp)
        return 0;
 }
 
+/* Save PCI command register before chip reset */
+static void tg3_save_pci_state(struct tg3 *tp)
+{
+       u32 val;
+
+       pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
+       tp->pci_cmd = val;
+}
+
+/* Restore PCI state after chip reset */
+static void tg3_restore_pci_state(struct tg3 *tp)
+{
+       u32 val;
+
+       /* Re-enable indirect register accesses. */
+       pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
+                              tp->misc_host_ctrl);
+
+       /* Set MAX PCI retry to zero. */
+       val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
+       if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
+           (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
+               val |= PCISTATE_RETRY_SAME_DMA;
+       pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
+
+       pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
+
+       /* Make sure PCI-X relaxed ordering bit is clear. */
+       pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
+       val &= ~PCIX_CAPS_RELAXED_ORDERING;
+       pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
+
+       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
+               u32 val;
+
+               /* Chip reset on 5780 will reset MSI enable bit,
+                * so need to restore it.
+                */
+               if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+                       u16 ctrl;
+
+                       pci_read_config_word(tp->pdev,
+                                            tp->msi_cap + PCI_MSI_FLAGS,
+                                            &ctrl);
+                       pci_write_config_word(tp->pdev,
+                                             tp->msi_cap + PCI_MSI_FLAGS,
+                                             ctrl | PCI_MSI_FLAGS_ENABLE);
+                       val = tr32(MSGINT_MODE);
+                       tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
+               }
+       }
+}
+
 static void tg3_stop_fw(struct tg3 *);
 
 /* tp->lock is held. */
@@ -4820,6 +4916,12 @@ static int tg3_chip_reset(struct tg3 *tp)
         */
        tp->nvram_lock_cnt = 0;
 
+       /* GRC_MISC_CFG core clock reset will clear the memory
+        * enable bit in PCI register 4 and the MSI enable bit
+        * on some chips, so we save relevant registers here.
+        */
+       tg3_save_pci_state(tp);
+
        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)
@@ -4918,50 +5020,14 @@ static int tg3_chip_reset(struct tg3 *tp)
                pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
        }
 
-       /* Re-enable indirect register accesses. */
-       pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
-                              tp->misc_host_ctrl);
-
-       /* Set MAX PCI retry to zero. */
-       val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
-       if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
-           (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
-               val |= PCISTATE_RETRY_SAME_DMA;
-       pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
-
-       pci_restore_state(tp->pdev);
+       tg3_restore_pci_state(tp);
 
        tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
 
-       /* Make sure PCI-X relaxed ordering bit is clear. */
-       pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
-       val &= ~PCIX_CAPS_RELAXED_ORDERING;
-       pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
-
-       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
-               u32 val;
-
-               /* Chip reset on 5780 will reset MSI enable bit,
-                * so need to restore it.
-                */
-               if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
-                       u16 ctrl;
-
-                       pci_read_config_word(tp->pdev,
-                                            tp->msi_cap + PCI_MSI_FLAGS,
-                                            &ctrl);
-                       pci_write_config_word(tp->pdev,
-                                             tp->msi_cap + PCI_MSI_FLAGS,
-                                             ctrl | PCI_MSI_FLAGS_ENABLE);
-                       val = tr32(MSGINT_MODE);
-                       tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
-               }
-
+       val = 0;
+       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
                val = tr32(MEMARB_MODE);
-               tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
-
-       } else
-               tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
+       tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
 
        if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
                tg3_stop_fw(tp);
@@ -6444,6 +6510,10 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 
        tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
                MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
+       if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+           !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
+           GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
+               tp->mac_mode |= MAC_MODE_LINK_POLARITY;
        tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
        udelay(40);
 
@@ -7057,6 +7127,10 @@ static int tg3_open(struct net_device *dev)
                } else if (pci_enable_msi(tp->pdev) == 0) {
                        u32 msi_mode;
 
+                       /* Hardware bug - MSI won't work if INTX disabled. */
+                       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
+                               pci_intx(tp->pdev, 1);
+
                        msi_mode = tr32(MSGINT_MODE);
                        tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
                        tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
@@ -8271,7 +8345,7 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
 
        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);
+               ethtool_op_set_tx_ipv6_csum(dev, data);
        else
                ethtool_op_set_tx_csum(dev, data);
 
@@ -8805,7 +8879,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
                        return 0;
 
                mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
-                          MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
+                          MAC_MODE_PORT_INT_LPBACK;
+               if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+                       mac_mode |= MAC_MODE_LINK_POLARITY;
                if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
                        mac_mode |= MAC_MODE_PORT_MODE_MII;
                else
@@ -8824,19 +8900,18 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
                                             phytest | MII_TG3_EPHY_SHADOW_EN);
                                if (!tg3_readphy(tp, 0x1b, &phy))
                                        tg3_writephy(tp, 0x1b, phy & ~0x20);
-                               if (!tg3_readphy(tp, 0x10, &phy))
-                                       tg3_writephy(tp, 0x10, phy & ~0x4000);
                                tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
                        }
                        val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
                } else
                        val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
 
+               tg3_phy_toggle_automdix(tp, 0);
+
                tg3_writephy(tp, MII_BMCR, val);
                udelay(40);
 
-               mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
-                          MAC_MODE_LINK_POLARITY;
+               mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
                if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
                        tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
                        mac_mode |= MAC_MODE_PORT_MODE_MII;
@@ -8849,8 +8924,11 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
                        udelay(10);
                        tw32_f(MAC_RX_MODE, tp->rx_mode);
                }
-               if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
-                       mac_mode &= ~MAC_MODE_LINK_POLARITY;
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
+                       if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
+                               mac_mode &= ~MAC_MODE_LINK_POLARITY;
+                       else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
+                               mac_mode |= MAC_MODE_LINK_POLARITY;
                        tg3_writephy(tp, MII_TG3_EXT_CTRL,
                                     MII_TG3_EXT_CTRL_LNK3_LED_MODE);
                }
@@ -9116,10 +9194,10 @@ static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
        /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
        __tg3_set_rx_mode(dev);
 
-       tg3_full_unlock(tp);
-
        if (netif_running(dev))
                tg3_netif_start(tp);
+
+       tg3_full_unlock(tp);
 }
 #endif
 
@@ -9220,7 +9298,6 @@ static const 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)
@@ -9410,11 +9487,13 @@ static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
                case FLASH_5755VENDOR_ATMEL_FLASH_1:
                case FLASH_5755VENDOR_ATMEL_FLASH_2:
                case FLASH_5755VENDOR_ATMEL_FLASH_3:
+               case FLASH_5755VENDOR_ATMEL_FLASH_5:
                        tp->nvram_jedecnum = JEDEC_ATMEL;
                        tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
                        tp->tg3_flags2 |= TG3_FLG2_FLASH;
                        tp->nvram_pagesize = 264;
-                       if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1)
+                       if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
+                           nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
                                tp->nvram_size = (protect ? 0x3e200 : 0x80000);
                        else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
                                tp->nvram_size = (protect ? 0x1f200 : 0x40000);
@@ -10498,11 +10577,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                                continue;
                        }
                        if (pci_id->rev != PCI_ANY_ID) {
-                               u8 rev;
-
-                               pci_read_config_byte(bridge, PCI_REVISION_ID,
-                                                    &rev);
-                               if (rev > pci_id->rev)
+                               if (bridge->revision > pci_id->rev)
                                        continue;
                        }
                        if (bridge->subordinate &&
@@ -11929,7 +12004,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         */
        if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
            (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
-               pci_save_state(tp->pdev);
                tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
        }
@@ -11958,12 +12032,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 
        tg3_init_coal(tp);
 
-       /* Now that we have fully setup the chip, save away a snapshot
-        * of the PCI config space.  We need to restore this after
-        * GRC_MISC_CFG core clock resets and some resume events.
-        */
-       pci_save_state(tp->pdev);
-
        pci_set_drvdata(pdev, dev);
 
        err = register_netdev(dev);
@@ -12047,6 +12115,12 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
        struct tg3 *tp = netdev_priv(dev);
        int err;
 
+       /* PCI register 4 needs to be saved whether netif_running() or not.
+        * MSI address and data need to be saved if using MSI and
+        * netif_running().
+        */
+       pci_save_state(pdev);
+
        if (!netif_running(dev))
                return 0;
 
@@ -12066,9 +12140,6 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
        tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
        tg3_full_unlock(tp);
 
-       /* Save MSI address and data for resume.  */
-       pci_save_state(pdev);
-
        err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
        if (err) {
                tg3_full_lock(tp, 0);
@@ -12096,15 +12167,20 @@ static int tg3_resume(struct pci_dev *pdev)
        struct tg3 *tp = netdev_priv(dev);
        int err;
 
+       pci_restore_state(tp->pdev);
+
        if (!netif_running(dev))
                return 0;
 
-       pci_restore_state(tp->pdev);
-
        err = tg3_set_power_state(tp, PCI_D0);
        if (err)
                return err;
 
+       /* Hardware bug - MSI won't work if INTX disabled. */
+       if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
+           (tp->tg3_flags2 & TG3_FLG2_USING_MSI))
+               pci_intx(tp->pdev, 1);
+
        netif_device_attach(dev);
 
        tg3_full_lock(tp, 0);