[PATCH] sky2: add Yukon-EC ultra support

[linux-2.6] / drivers / net / sky2.c

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index e6f71c1232bcd2e637705c20ecba7669e7dfc63b..aff347f1ea4bd2a6516d996120f60596d3164be2 100644 (file)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -114,9 +114,11 @@ static const struct pci_device_id sky2_id_table[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) },
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) },
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) },
+       { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) },
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) },
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) },
        { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) },
+       { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) },
        { 0 }
 };
 
@@ -130,6 +132,7 @@ static const char *yukon_name[] = {
        [CHIP_ID_YUKON_LITE - CHIP_ID_YUKON] = "Lite",  /* 0xb0 */
        [CHIP_ID_YUKON_LP - CHIP_ID_YUKON] = "LP",      /* 0xb2 */
        [CHIP_ID_YUKON_XL - CHIP_ID_YUKON] = "XL",      /* 0xb3 */
+       [CHIP_ID_YUKON_EC_U - CHIP_ID_YUKON] = "EC Ultra", /* 0xb4 */
 
        [CHIP_ID_YUKON_EC - CHIP_ID_YUKON] = "EC",      /* 0xb6 */
        [CHIP_ID_YUKON_FE - CHIP_ID_YUKON] = "FE",      /* 0xb7 */
@@ -599,6 +602,18 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
        /* Configure Tx MAC FIFO */
        sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);
        sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON);
+
+       if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
+               sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8);
+               sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8);
+               if (hw->dev[port]->mtu > ETH_DATA_LEN) {
+                       /* set Tx GMAC FIFO Almost Empty Threshold */
+                       sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180);
+                       /* Disable Store & Forward mode for TX */
+                       sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS);
+               }
+       }
+
 }
 
 static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len)
@@ -984,6 +999,10 @@ static int sky2_up(struct net_device *dev)
                    RB_RST_SET);
 
        sky2_qset(hw, txqaddr[port], 0x600);
+       if (hw->chip_id == CHIP_ID_YUKON_EC_U)
+               sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0);
+
+
        sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
                           TX_RING_SIZE - 1);
 
@@ -1553,6 +1572,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
        if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
                return -EINVAL;
 
+       if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN)
+               return -EINVAL;
+
        if (!netif_running(dev)) {
                dev->mtu = new_mtu;
                return 0;
@@ -1972,6 +1994,7 @@ static inline u32 sky2_khz(const struct sky2_hw *hw)
 {
        switch (hw->chip_id) {
        case CHIP_ID_YUKON_EC:
+       case CHIP_ID_YUKON_EC_U:
                return 125000;  /* 125 Mhz */
        case CHIP_ID_YUKON_FE:
                return 100000;  /* 100 Mhz */
@@ -2796,7 +2819,9 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
 
        sky2->port = port;
 
-       dev->features |= NETIF_F_LLTX | NETIF_F_TSO;
+       dev->features |= NETIF_F_LLTX;
+       if (hw->chip_id != CHIP_ID_YUKON_EC_U)
+               dev->features |= NETIF_F_TSO;
        if (highmem)
                dev->features |= NETIF_F_HIGHDMA;
        dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;