diff options
| -rw-r--r-- | drivers/net/phy/vitesse.c | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index 5cf103e..c555979 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -49,6 +49,15 @@ #define MIIM_VSC8574_18G_QSGMII 0x80e0 #define MIIM_VSC8574_18G_CMDSTAT 0x8000 +/* Vitesse VSC8514 control register */ +#define MIIM_VSC8514_GENERAL18 0x12 +#define MIIM_VSC8514_GENERAL19 0x13 +#define MIIM_VSC8514_GENERAL23 0x17 + +/* Vitesse VSC8514 gerenal purpose register 18 */ +#define MIIM_VSC8514_18G_QSGMII 0x80e0 +#define MIIM_VSC8514_18G_CMDSTAT 0x8000 + /* CIS8201 */ static int vitesse_config(struct phy_device *phydev) { @@ -148,7 +157,7 @@ static int vsc8601_config(struct phy_device *phydev) static int vsc8574_config(struct phy_device *phydev) { u32 val; - /* configure regiser 19G for MAC */ + /* configure register 19G for MAC */ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, PHY_EXT_PAGE_ACCESS_GENERAL); @@ -188,6 +197,53 @@ static int vsc8574_config(struct phy_device *phydev) return 0; } +static int vsc8514_config(struct phy_device *phydev) +{ + u32 val; + int timeout = 1000000; + + /* configure register to access 19G */ + phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, + PHY_EXT_PAGE_ACCESS_GENERAL); + + val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL19); + if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) { + /* set bit 15:14 to '01' for QSGMII mode */ + val = (val & 0x3fff) | (1 << 14); + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_VSC8514_GENERAL19, val); + /* Enable 4 ports MAC QSGMII */ + phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18, + MIIM_VSC8514_18G_QSGMII); + } else { + /*TODO Add SGMII functionality once spec sheet + * for VSC8514 defines complete functionality + */ + } + + val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18); + /* When bit 15 is cleared the command has completed */ + while ((val & MIIM_VSC8514_18G_CMDSTAT) && timeout--) + val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18); + + if (0 == timeout) { + printf("PHY 8514 config failed\n"); + return -1; + } + + phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0); + + /* configure register to access 23 */ + val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL23); + /* set bits 10:8 to '000' */ + val = (val & 0xf8ff); + phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL23, val); + + genphy_config_aneg(phydev); + + return 0; +} + static struct phy_driver VSC8211_driver = { .name = "Vitesse VSC8211", .uid = 0xfc4b0, @@ -238,6 +294,16 @@ static struct phy_driver VSC8574_driver = { .shutdown = &genphy_shutdown, }; +static struct phy_driver VSC8514_driver = { + .name = "Vitesse VSC8514", + .uid = 0x70570, + .mask = 0xffff0, + .features = PHY_GBIT_FEATURES, + .config = &vsc8514_config, + .startup = &vitesse_startup, + .shutdown = &genphy_shutdown, +}; + static struct phy_driver VSC8601_driver = { .name = "Vitesse VSC8601", .uid = 0x70420, @@ -298,6 +364,7 @@ int phy_vitesse_init(void) phy_register(&VSC8211_driver); phy_register(&VSC8221_driver); phy_register(&VSC8574_driver); + phy_register(&VSC8514_driver); phy_register(&VSC8662_driver); phy_register(&cis8201_driver); phy_register(&cis8204_driver); |