MII_MMD_ADDRESS_DATA
bge_mii_put16(bgep, MII_MMD_ADDRESS_DATA, MDIO_AN_EEE_ADV);
bge_mii_put16(bgep, MII_MMD_ADDRESS_DATA, mii_val);
bge_mii_put16(bgep, MII_MMD_ADDRESS_DATA,
mii_val = bge_mii_get16(bgep, MII_MMD_ADDRESS_DATA);