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,
        }
 
        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);
 
                        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 */
        }
 
        /* Enable host coalescing bug fix */
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+       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(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);
 
                return 0;
        }
   
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+       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
                ethtool_op_set_tx_csum(dev, data);
        int i;
 
        if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+               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;
                        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)) {
 
        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_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;
                tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
 
        if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
+               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
        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_5755 &&
            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787)
                tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
 
        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, PCI_D0);
        if (err) {
                tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
 
        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;
 
        /* All chips before 5787 can get confused if TX buffers
         * straddle the 4GB address boundary in some cases.
         */
-       if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+       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;
        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";
         * checksumming.
         */
        if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+               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;
 
 #define   ASIC_REV_5752                         0x06
 #define   ASIC_REV_5780                         0x08
 #define   ASIC_REV_5714                         0x09
+#define   ASIC_REV_5755                         0x0a
 #define   ASIC_REV_5787                         0x0b
 #define  GET_CHIP_REV(CHIP_REV_ID)     ((CHIP_REV_ID) >> 8)
 #define   CHIPREV_5700_AX               0x70
 #define  RX_MODE_PROMISC                0x00000100
 #define  RX_MODE_NO_CRC_CHECK           0x00000200
 #define  RX_MODE_KEEP_VLAN_TAG          0x00000400
+#define  RX_MODE_IPV6_CSUM_ENABLE       0x01000000
 #define MAC_RX_STATUS                  0x0000046c
 #define  RX_STATUS_REMOTE_TX_XOFFED     0x00000001
 #define  RX_STATUS_XOFF_RCVD            0x00000002
 #define  GRC_LCLCTRL_CLEARINT          0x00000002
 #define  GRC_LCLCTRL_SETINT            0x00000004
 #define  GRC_LCLCTRL_INT_ON_ATTN       0x00000008
+#define  GRC_LCLCTRL_GPIO_UART_SEL     0x00000010      /* 5755 only */
 #define  GRC_LCLCTRL_USE_SIG_DETECT    0x00000010      /* 5714/5780 only */
 #define  GRC_LCLCTRL_USE_EXT_SIG_DETECT        0x00000020      /* 5714/5780 only */
 #define  GRC_LCLCTRL_GPIO_INPUT3       0x00000020
 #define PHY_ID_BCM5752                 0x60008100
 #define PHY_ID_BCM5714                 0x60008340
 #define PHY_ID_BCM5780                 0x60008350
+#define PHY_ID_BCM5755                 0xbc050cc0
 #define PHY_ID_BCM5787                 0xbc050ce0
 #define PHY_ID_BCM8002                 0x60010140
 #define PHY_ID_INVALID                 0xffffffff
         (X) == PHY_ID_BCM5705 || (X) == PHY_ID_BCM5750 || \
         (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5714 || \
         (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
-        (X) == PHY_ID_BCM8002)
+        (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM8002)
 
        struct tg3_hw_stats             *hw_stats;
        dma_addr_t                      stats_mapping;