BRGPHY_MII_BMCR
PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
PHY_WRITE(sc, BRGPHY_MII_BMCR,
bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_AUTOEN |
PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET);
if ((PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_RESET) == 0)
BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET);