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_5780,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+       { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
        { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
        u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
        u32 orig_clock_ctrl;
 
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+               return;
+
        orig_clock_ctrl = clock_ctrl;
        clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
                       CLOCK_CTRL_CLKRUN_OENABLE |
                     CLOCK_CTRL_ALTCLK |
                     CLOCK_CTRL_PWRDOWN_PLL133);
                udelay(40);
+       } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+               /* do nothing */
        } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
                     (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
                u32 newbits1, newbits2;
        val &= ~PCIX_CAPS_RELAXED_ORDERING;
        pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
 
-       tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+               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 = tr32(MEMARB_MODE);
+               tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
+
+       } else
+               tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
 
        if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
                tg3_stop_fw(tp);
        tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
        tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
 
-       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_5780))
                limit = 8;
        else
                limit = 16;
        if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
                tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
 
+       /* Find msi capability. */
+       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+               tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
+
        /* Initialize misc host control in PCI block. */
        tp->misc_host_ctrl |= (misc_ctrl_reg &
                               MISC_HOST_CTRL_CHIPREV);
        tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
 
        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_5752 ||
+           GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
                tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
 
        if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
 #endif
 
        mac_offset = 0x7c;
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
-           !(tp->tg3_flags & TG3_FLG2_SUN_570X)) {
+       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) {
                if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
                        mac_offset = 0xcc;
                if (tg3_nvram_lock(tp))
 
                        /* Set bit 23 to enable PCIX hw bug fix */
                        tp->dma_rwctrl |= 0x009f0000;
+               } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+                       /* 5780 always in PCIX mode */
+                       tp->dma_rwctrl |= 0x00144000;
                } else {
                        tp->dma_rwctrl |= 0x001b000f;
                }
        case PHY_ID_BCM5705:    return "5705";
        case PHY_ID_BCM5750:    return "5750";
        case PHY_ID_BCM5752:    return "5752";
+       case PHY_ID_BCM5780:    return "5780";
        case PHY_ID_BCM8002:    return "8002/serdes";
        case 0:                 return "serdes";
        default:                return "unknown";