MII_1000BASETCONTROL
adv = sungem_phy_read(phy, MII_1000BASETCONTROL);
sungem_phy_write(phy, MII_1000BASETCONTROL, adv);
sungem_phy_write(phy, MII_1000BASETCONTROL, adv);
sungem_phy_write(phy, MII_1000BASETCONTROL, ctl2);