forked from Minki/linux
[PATCH] sky2: fiber support
Fix the support for fiber connected gigabit boards. Allow half duplex gigabit to be configured. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger
Jeff Garzik
parent
2eaba1a280
commit
b89165f2b7
@ -308,7 +308,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
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}
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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if (hw->copper) {
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if (sky2_is_copper(hw)) {
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if (hw->chip_id == CHIP_ID_YUKON_FE) {
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/* enable automatic crossover */
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ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;
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@ -325,25 +325,37 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
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ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
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}
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}
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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} else {
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/* workaround for deviation #4.88 (CRC errors) */
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/* disable Automatic Crossover */
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ctrl &= ~PHY_M_PC_MDIX_MSK;
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}
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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/* special setup for PHY 88E1112 Fiber */
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if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) {
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pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
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/* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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ctrl &= ~PHY_M_MAC_MD_MSK;
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ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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if (hw->chip_id == CHIP_ID_YUKON_XL) {
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/* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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ctrl &= ~PHY_M_MAC_MD_MSK;
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ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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if (hw->pmd_type == 'P') {
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/* select page 1 to access Fiber registers */
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1);
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/* for SFP-module set SIGDET polarity to low */
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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ctrl |= PHY_M_FIB_SIGD_POL;
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gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
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}
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
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}
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ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);
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@ -361,7 +373,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
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reg = 0;
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if (sky2->autoneg == AUTONEG_ENABLE) {
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if (hw->copper) {
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if (sky2_is_copper(hw)) {
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if (sky2->advertising & ADVERTISED_1000baseT_Full)
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ct1000 |= PHY_M_1000C_AFD;
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if (sky2->advertising & ADVERTISED_1000baseT_Half)
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@ -374,8 +386,12 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
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adv |= PHY_M_AN_10_FD;
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if (sky2->advertising & ADVERTISED_10baseT_Half)
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adv |= PHY_M_AN_10_HD;
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} else /* special defines for FIBER (88E1011S only) */
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adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD;
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} else { /* special defines for FIBER (88E1040S only) */
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if (sky2->advertising & ADVERTISED_1000baseT_Full)
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adv |= PHY_M_AN_1000X_AFD;
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if (sky2->advertising & ADVERTISED_1000baseT_Half)
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adv |= PHY_M_AN_1000X_AHD;
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}
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/* Set Flow-control capabilities */
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if (sky2->tx_pause && sky2->rx_pause)
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@ -1496,7 +1512,7 @@ static int sky2_down(struct net_device *dev)
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static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux)
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{
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if (!hw->copper)
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if (!sky2_is_copper(hw))
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return SPEED_1000;
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if (hw->chip_id == CHIP_ID_YUKON_FE)
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@ -2269,7 +2285,7 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
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static int sky2_reset(struct sky2_hw *hw)
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{
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u16 status;
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u8 t8, pmd_type;
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u8 t8;
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int i;
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sky2_write8(hw, B0_CTST, CS_RST_CLR);
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@ -2315,9 +2331,7 @@ static int sky2_reset(struct sky2_hw *hw)
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sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL);
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pmd_type = sky2_read8(hw, B2_PMD_TYP);
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hw->copper = !(pmd_type == 'L' || pmd_type == 'S');
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hw->pmd_type = sky2_read8(hw, B2_PMD_TYP);
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hw->ports = 1;
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t8 = sky2_read8(hw, B2_Y2_HW_RES);
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if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) {
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@ -2414,21 +2428,22 @@ static int sky2_reset(struct sky2_hw *hw)
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static u32 sky2_supported_modes(const struct sky2_hw *hw)
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{
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u32 modes;
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if (hw->copper) {
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modes = SUPPORTED_10baseT_Half
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| SUPPORTED_10baseT_Full
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| SUPPORTED_100baseT_Half
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| SUPPORTED_100baseT_Full
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| SUPPORTED_Autoneg | SUPPORTED_TP;
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if (sky2_is_copper(hw)) {
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u32 modes = SUPPORTED_10baseT_Half
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| SUPPORTED_10baseT_Full
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| SUPPORTED_100baseT_Half
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| SUPPORTED_100baseT_Full
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| SUPPORTED_Autoneg | SUPPORTED_TP;
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if (hw->chip_id != CHIP_ID_YUKON_FE)
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modes |= SUPPORTED_1000baseT_Half
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| SUPPORTED_1000baseT_Full;
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| SUPPORTED_1000baseT_Full;
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return modes;
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} else
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modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
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| SUPPORTED_Autoneg;
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return modes;
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return SUPPORTED_1000baseT_Half
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| SUPPORTED_1000baseT_Full
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| SUPPORTED_Autoneg
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| SUPPORTED_FIBRE;
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}
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static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
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@ -2439,7 +2454,7 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
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ecmd->transceiver = XCVR_INTERNAL;
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ecmd->supported = sky2_supported_modes(hw);
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ecmd->phy_address = PHY_ADDR_MARV;
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if (hw->copper) {
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if (sky2_is_copper(hw)) {
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ecmd->supported = SUPPORTED_10baseT_Half
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| SUPPORTED_10baseT_Full
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| SUPPORTED_100baseT_Half
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@ -2448,12 +2463,14 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
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| SUPPORTED_1000baseT_Full
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| SUPPORTED_Autoneg | SUPPORTED_TP;
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ecmd->port = PORT_TP;
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} else
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ecmd->speed = sky2->speed;
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} else {
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ecmd->speed = SPEED_1000;
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ecmd->port = PORT_FIBRE;
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}
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ecmd->advertising = sky2->advertising;
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ecmd->autoneg = sky2->autoneg;
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ecmd->speed = sky2->speed;
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ecmd->duplex = sky2->duplex;
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return 0;
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}
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@ -1317,6 +1317,14 @@ enum {
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PHY_M_FESC_SEL_CL_A = 1<<0, /* Select Class A driver (100B-TX) */
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};
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/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
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/***** PHY_MARV_PHY_CTRL (page 1) 16 bit r/w Fiber Specific Ctrl *****/
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enum {
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PHY_M_FIB_FORCE_LNK = 1<<10,/* Force Link Good */
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PHY_M_FIB_SIGD_POL = 1<<9, /* SIGDET Polarity */
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PHY_M_FIB_TX_DIS = 1<<3, /* Transmitter Disable */
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};
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/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
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/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/
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enum {
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@ -1880,7 +1888,7 @@ struct sky2_hw {
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int pm_cap;
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u8 chip_id;
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u8 chip_rev;
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u8 copper;
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u8 pmd_type;
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u8 ports;
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struct sky2_status_le *st_le;
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@ -1892,6 +1900,11 @@ struct sky2_hw {
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wait_queue_head_t msi_wait;
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};
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static inline int sky2_is_copper(const struct sky2_hw *hw)
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{
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return !(hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P');
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}
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/* Register accessor for memory mapped device */
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static inline u32 sky2_read32(const struct sky2_hw *hw, unsigned reg)
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{
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