RGEPHY_MII_BMCR
if (PHY_READ(sc, RGEPHY_MII_BMCR) & RGEPHY_BMCR_AUTOEN)
PHY_WRITE(sc, RGEPHY_MII_BMCR, speed);
bmcr = PHY_READ(sc, RGEPHY_MII_BMCR);
PHY_WRITE(sc, RGEPHY_MII_BMCR,
PHY_WRITE(sc, RGEPHY_MII_BMCR, RGEPHY_BMCR_PDOWN);
PHY_WRITE(sc, RGEPHY_MII_BMCR, RGEPHY_BMCR_RESET |