BRGPHY_MII_PHY_EXTCTL
PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL, &val);
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL, ®);
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,