1 --- a/drivers/net/phy/at803x.c
2 +++ b/drivers/net/phy/at803x.c
4 #define AT803X_DEBUG_ADDR 0x1D
5 #define AT803X_DEBUG_DATA 0x1E
7 +#define AT803X_REG_CHIP_CONFIG 0x1f
8 +#define AT803X_BT_BX_REG_SEL 0x8000
9 +#define AT803X_SGMII_ANEG_EN 0x1000
11 #define AT803X_MODE_CFG_MASK 0x0F
12 #define AT803X_MODE_CFG_SGMII 0x01
14 @@ -295,6 +299,27 @@ static int at803x_config_init(struct phy
16 struct at803x_platform_data *pdata;
20 + if (phydev->drv->phy_id == ATH8031_PHY_ID &&
21 + phydev->interface == PHY_INTERFACE_MODE_SGMII)
23 + v = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
24 + /* select SGMII/fiber page */
25 + ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
26 + v & ~AT803X_BT_BX_REG_SEL);
29 + /* enable SGMII autonegotiation */
30 + ret = phy_write(phydev, MII_BMCR, AT803X_SGMII_ANEG_EN);
33 + /* select copper page */
34 + ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
35 + v | AT803X_BT_BX_REG_SEL);
40 ret = genphy_config_init(phydev);