RGEPHY_PS
page = PHY_READ(sc, RGEPHY_PS);
PHY_WRITE(sc, RGEPHY_PS, RGEPHY_PS_PAGE_MII);
PHY_WRITE(sc, RGEPHY_PS, page);
ret_val = em_write_phy_reg_ex(hw, RGEPHY_PS, phy_data);
ret_val = em_write_phy_reg_ex(hw, RGEPHY_PS, phy_data);