diff options
Diffstat (limited to 'drivers/net/phy/marvell.c')
| -rw-r--r-- | drivers/net/phy/marvell.c | 113 |
1 files changed, 107 insertions, 6 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index bd1cdc4..e51e799 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -43,6 +43,24 @@ #define MIIM_88E1111_PHY_LED_DIRECT 0x4100 #define MIIM_88E1111_PHY_LED_COMBINE 0x411C +/* 88E1111 Extended PHY Specific Control Register */ +#define MIIM_88E1111_PHY_EXT_CR 0x14 +#define MIIM_88E1111_RX_DELAY 0x80 +#define MIIM_88E1111_TX_DELAY 0x2 + +/* 88E1111 Extended PHY Specific Status Register */ +#define MIIM_88E1111_PHY_EXT_SR 0x1b +#define MIIM_88E1111_HWCFG_MODE_MASK 0xf +#define MIIM_88E1111_HWCFG_MODE_COPPER_RGMII 0xb +#define MIIM_88E1111_HWCFG_MODE_FIBER_RGMII 0x3 +#define MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK 0x4 +#define MIIM_88E1111_HWCFG_MODE_COPPER_RTBI 0x9 +#define MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO 0x8000 +#define MIIM_88E1111_HWCFG_FIBER_COPPER_RES 0x2000 + +#define MIIM_88E1111_COPPER 0 +#define MIIM_88E1111_FIBER 1 + /* 88E1118 PHY defines */ #define MIIM_88E1118_PHY_PAGE 22 #define MIIM_88E1118_PHY_LED_PAGE 3 @@ -162,19 +180,102 @@ static int m88e1011s_startup(struct phy_device *phydev) static int m88e1111s_config(struct phy_device *phydev) { int reg; + int timeout; if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { - reg = phy_read(phydev, MDIO_DEVAD_NONE, 0x1b); - reg = (reg & 0xfff0) | 0xb; - phy_write(phydev, MDIO_DEVAD_NONE, 0x1b, reg); - } else { - phy_write(phydev, MDIO_DEVAD_NONE, 0x1b, 0x1f); + reg = phy_read(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR); + if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) { + reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY); + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { + reg &= ~MIIM_88E1111_TX_DELAY; + reg |= MIIM_88E1111_RX_DELAY; + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { + reg &= ~MIIM_88E1111_RX_DELAY; + reg |= MIIM_88E1111_TX_DELAY; + } + + phy_write(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg); + + reg = phy_read(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR); + + reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK); + + if (reg & MIIM_88E1111_HWCFG_FIBER_COPPER_RES) + reg |= MIIM_88E1111_HWCFG_MODE_FIBER_RGMII; + else + reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RGMII; + + phy_write(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR, reg); } - phy_write(phydev, MDIO_DEVAD_NONE, 0x14, 0x0cd2); + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + reg = phy_read(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR); + + reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK); + reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK; + reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO; + + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_88E1111_PHY_EXT_SR, reg); + } + + if (phydev->interface == PHY_INTERFACE_MODE_RTBI) { + reg = phy_read(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR); + reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY); + phy_write(phydev, + MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg); + + reg = phy_read(phydev, MDIO_DEVAD_NONE, + MIIM_88E1111_PHY_EXT_SR); + reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK | + MIIM_88E1111_HWCFG_FIBER_COPPER_RES); + reg |= 0x7 | MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO; + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_88E1111_PHY_EXT_SR, reg); + + /* soft reset */ + timeout = 1000; + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); + udelay(1000); + reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + while ((reg & BMCR_RESET) && --timeout) { + udelay(1000); + reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + } + if (!timeout) + printf("%s: phy soft reset timeout\n", __func__); + + reg = phy_read(phydev, MDIO_DEVAD_NONE, + MIIM_88E1111_PHY_EXT_SR); + reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK | + MIIM_88E1111_HWCFG_FIBER_COPPER_RES); + reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RTBI | + MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO; + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_88E1111_PHY_EXT_SR, reg); + } + + /* soft reset */ + timeout = 1000; + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); + udelay(1000); + reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + while ((reg & BMCR_RESET) && --timeout) { + udelay(1000); + reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + } + if (!timeout) + printf("%s: phy soft reset timeout\n", __func__); genphy_config_aneg(phydev); |