Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[powerpc.git] / drivers / net / sky2.c
index a3a4ab2..7eeefa2 100644 (file)
@@ -308,7 +308,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
        }
 
        ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
-       if (hw->copper) {
+       if (sky2_is_copper(hw)) {
                if (hw->chip_id == CHIP_ID_YUKON_FE) {
                        /* enable automatic crossover */
                        ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;
@@ -325,25 +325,37 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                                ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
                        }
                }
-               gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
        } else {
                /* workaround for deviation #4.88 (CRC errors) */
                /* disable Automatic Crossover */
 
                ctrl &= ~PHY_M_PC_MDIX_MSK;
-               gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+       }
 
-               if (hw->chip_id == CHIP_ID_YUKON_XL) {
-                       /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
-                       gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
-                       ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
-                       ctrl &= ~PHY_M_MAC_MD_MSK;
-                       ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
-                       gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+       gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
 
+       /* special setup for PHY 88E1112 Fiber */
+       if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) {
+               pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+
+               /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
+               gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
+               ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+               ctrl &= ~PHY_M_MAC_MD_MSK;
+               ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
+               gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+
+               if (hw->pmd_type  == 'P') {
                        /* select page 1 to access Fiber registers */
                        gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1);
+
+                       /* for SFP-module set SIGDET polarity to low */
+                       ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+                       ctrl |= PHY_M_FIB_SIGD_POL;
+                       gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
                }
+
+               gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
        }
 
        ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);
@@ -361,7 +373,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
        reg = 0;
 
        if (sky2->autoneg == AUTONEG_ENABLE) {
-               if (hw->copper) {
+               if (sky2_is_copper(hw)) {
                        if (sky2->advertising & ADVERTISED_1000baseT_Full)
                                ct1000 |= PHY_M_1000C_AFD;
                        if (sky2->advertising & ADVERTISED_1000baseT_Half)
@@ -374,8 +386,12 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                                adv |= PHY_M_AN_10_FD;
                        if (sky2->advertising & ADVERTISED_10baseT_Half)
                                adv |= PHY_M_AN_10_HD;
-               } else          /* special defines for FIBER (88E1011S only) */
-                       adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD;
+               } else {        /* special defines for FIBER (88E1040S only) */
+                       if (sky2->advertising & ADVERTISED_1000baseT_Full)
+                               adv |= PHY_M_AN_1000X_AFD;
+                       if (sky2->advertising & ADVERTISED_1000baseT_Half)
+                               adv |= PHY_M_AN_1000X_AHD;
+               }
 
                /* Set Flow-control capabilities */
                if (sky2->tx_pause && sky2->rx_pause)
@@ -811,7 +827,7 @@ static void rx_set_checksum(struct sky2_port *sky2)
        struct sky2_rx_le *le;
 
        le = sky2_next_rx(sky2);
-       le->addr = (ETH_HLEN << 16) | ETH_HLEN;
+       le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN);
        le->ctrl = 0;
        le->opcode = OP_TCPSTART | HW_OWNER;
 
@@ -1168,7 +1184,7 @@ static unsigned tx_le_req(const struct sk_buff *skb)
        if (skb_is_gso(skb))
                ++count;
 
-       if (skb->ip_summed == CHECKSUM_HW)
+       if (skb->ip_summed == CHECKSUM_PARTIAL)
                ++count;
 
        return count;
@@ -1229,7 +1245,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
        /* Send high bits if changed or crosses boundary */
        if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) {
                le = get_tx_le(sky2);
-               le->tx.addr = cpu_to_le32(addr64);
+               le->addr = cpu_to_le32(addr64);
                le->ctrl = 0;
                le->opcode = OP_ADDR64 | HW_OWNER;
                sky2->tx_addr64 = high32(mapping + len);
@@ -1244,8 +1260,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 
                if (mss != sky2->tx_last_mss) {
                        le = get_tx_le(sky2);
-                       le->tx.tso.size = cpu_to_le16(mss);
-                       le->tx.tso.rsvd = 0;
+                       le->addr = cpu_to_le32(mss);
                        le->opcode = OP_LRGLEN | HW_OWNER;
                        le->ctrl = 0;
                        sky2->tx_last_mss = mss;
@@ -1258,7 +1273,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
        if (sky2->vlgrp && vlan_tx_tag_present(skb)) {
                if (!le) {
                        le = get_tx_le(sky2);
-                       le->tx.addr = 0;
+                       le->addr = 0;
                        le->opcode = OP_VLAN|HW_OWNER;
                        le->ctrl = 0;
                } else
@@ -1269,21 +1284,22 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 #endif
 
        /* Handle TCP checksum offload */
-       if (skb->ip_summed == CHECKSUM_HW) {
-               u16 hdr = skb->h.raw - skb->data;
-               u16 offset = hdr + skb->csum;
+       if (skb->ip_summed == CHECKSUM_PARTIAL) {
+               unsigned offset = skb->h.raw - skb->data;
+               u32 tcpsum;
+
+               tcpsum = offset << 16;          /* sum start */
+               tcpsum |= offset + skb->csum;   /* sum write */
 
                ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
                if (skb->nh.iph->protocol == IPPROTO_UDP)
                        ctrl |= UDPTCP;
 
-               if (hdr != sky2->tx_csum_start || offset != sky2->tx_csum_offset) {
-                       sky2->tx_csum_start = hdr;
-                       sky2->tx_csum_offset = offset;
+               if (tcpsum != sky2->tx_tcpsum) {
+                       sky2->tx_tcpsum = tcpsum;
 
                        le = get_tx_le(sky2);
-                       le->tx.csum.start = cpu_to_le16(hdr);
-                       le->tx.csum.offset = cpu_to_le16(offset);
+                       le->addr = cpu_to_le32(tcpsum);
                        le->length = 0; /* initial checksum value */
                        le->ctrl = 1;   /* one packet */
                        le->opcode = OP_TCPLISW | HW_OWNER;
@@ -1291,7 +1307,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
        }
 
        le = get_tx_le(sky2);
-       le->tx.addr = cpu_to_le32((u32) mapping);
+       le->addr = cpu_to_le32((u32) mapping);
        le->length = cpu_to_le16(len);
        le->ctrl = ctrl;
        le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER);
@@ -1309,14 +1325,14 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
                addr64 = high32(mapping);
                if (addr64 != sky2->tx_addr64) {
                        le = get_tx_le(sky2);
-                       le->tx.addr = cpu_to_le32(addr64);
+                       le->addr = cpu_to_le32(addr64);
                        le->ctrl = 0;
                        le->opcode = OP_ADDR64 | HW_OWNER;
                        sky2->tx_addr64 = addr64;
                }
 
                le = get_tx_le(sky2);
-               le->tx.addr = cpu_to_le32((u32) mapping);
+               le->addr = cpu_to_le32((u32) mapping);
                le->length = cpu_to_le16(frag->size);
                le->ctrl = ctrl;
                le->opcode = OP_BUFFER | HW_OWNER;
@@ -1496,7 +1512,7 @@ static int sky2_down(struct net_device *dev)
 
 static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux)
 {
-       if (!hw->copper)
+       if (!sky2_is_copper(hw))
                return SPEED_1000;
 
        if (hw->chip_id == CHIP_ID_YUKON_FE)
@@ -1922,8 +1938,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
                dev = hw->dev[le->link];
 
                sky2 = netdev_priv(dev);
-               length = le->length;
-               status = le->status;
+               length = le16_to_cpu(le->length);
+               status = le32_to_cpu(le->status);
 
                switch (le->opcode & ~HW_OWNER) {
                case OP_RXSTAT:
@@ -1966,8 +1982,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 #endif
                case OP_RXCHKS:
                        skb = sky2->rx_ring[sky2->rx_next].skb;
-                       skb->ip_summed = CHECKSUM_HW;
-                       skb->csum = le16_to_cpu(status);
+                       skb->ip_summed = CHECKSUM_COMPLETE;
+                       skb->csum = status & 0xffff;
                        break;
 
                case OP_TXINDEXLE:
@@ -2269,7 +2285,7 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
 static int sky2_reset(struct sky2_hw *hw)
 {
        u16 status;
-       u8 t8, pmd_type;
+       u8 t8;
        int i;
 
        sky2_write8(hw, B0_CTST, CS_RST_CLR);
@@ -2315,9 +2331,7 @@ static int sky2_reset(struct sky2_hw *hw)
                sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL);
 
 
-       pmd_type = sky2_read8(hw, B2_PMD_TYP);
-       hw->copper = !(pmd_type == 'L' || pmd_type == 'S');
-
+       hw->pmd_type = sky2_read8(hw, B2_PMD_TYP);
        hw->ports = 1;
        t8 = sky2_read8(hw, B2_Y2_HW_RES);
        if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) {
@@ -2414,21 +2428,22 @@ static int sky2_reset(struct sky2_hw *hw)
 
 static u32 sky2_supported_modes(const struct sky2_hw *hw)
 {
-       u32 modes;
-       if (hw->copper) {
-               modes = SUPPORTED_10baseT_Half
-                   | SUPPORTED_10baseT_Full
-                   | SUPPORTED_100baseT_Half
-                   | SUPPORTED_100baseT_Full
-                   | SUPPORTED_Autoneg | SUPPORTED_TP;
+       if (sky2_is_copper(hw)) {
+               u32 modes = SUPPORTED_10baseT_Half
+                       | SUPPORTED_10baseT_Full
+                       | SUPPORTED_100baseT_Half
+                       | SUPPORTED_100baseT_Full
+                       | SUPPORTED_Autoneg | SUPPORTED_TP;
 
                if (hw->chip_id != CHIP_ID_YUKON_FE)
                        modes |= SUPPORTED_1000baseT_Half
-                           | SUPPORTED_1000baseT_Full;
+                               | SUPPORTED_1000baseT_Full;
+               return modes;
        } else
-               modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
-                   | SUPPORTED_Autoneg;
-       return modes;
+               return  SUPPORTED_1000baseT_Half
+                       | SUPPORTED_1000baseT_Full
+                       | SUPPORTED_Autoneg
+                       | SUPPORTED_FIBRE;
 }
 
 static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
@@ -2439,7 +2454,7 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
        ecmd->transceiver = XCVR_INTERNAL;
        ecmd->supported = sky2_supported_modes(hw);
        ecmd->phy_address = PHY_ADDR_MARV;
-       if (hw->copper) {
+       if (sky2_is_copper(hw)) {
                ecmd->supported = SUPPORTED_10baseT_Half
                    | SUPPORTED_10baseT_Full
                    | SUPPORTED_100baseT_Half
@@ -2448,12 +2463,14 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
                    | SUPPORTED_1000baseT_Full
                    | SUPPORTED_Autoneg | SUPPORTED_TP;
                ecmd->port = PORT_TP;
-       } else
+               ecmd->speed = sky2->speed;
+       } else {
+               ecmd->speed = SPEED_1000;
                ecmd->port = PORT_FIBRE;
+       }
 
        ecmd->advertising = sky2->advertising;
        ecmd->autoneg = sky2->autoneg;
-       ecmd->speed = sky2->speed;
        ecmd->duplex = sky2->duplex;
        return 0;
 }
@@ -3016,7 +3033,7 @@ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs,
                      regs->len - B3_RI_WTO_R1);
 }
 
-static struct ethtool_ops sky2_ethtool_ops = {
+static const struct ethtool_ops sky2_ethtool_ops = {
        .get_settings = sky2_get_settings,
        .set_settings = sky2_set_settings,
        .get_drvinfo = sky2_get_drvinfo,
@@ -3269,12 +3286,13 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
        hw->pm_cap = pm_cap;
 
 #ifdef __BIG_ENDIAN
-       /* byte swap descriptors in hardware */
+       /* The sk98lin vendor driver uses hardware byte swapping but
+        * this driver uses software swapping.
+        */
        {
                u32 reg;
-
                reg = sky2_pci_read32(hw, PCI_DEV_REG2);
-               reg |= PCI_REV_DESC;
+               reg &= ~PCI_REV_DESC;
                sky2_pci_write32(hw, PCI_DEV_REG2, reg);
        }
 #endif