BRGPHY_MII_IMR
PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
BRGPHY_MII_IMR, BRGPHY_INTRS);
SK_PHYADDR_BCOM, BRGPHY_MII_IMR, 0xFF00);
SK_PHYADDR_BCOM, BRGPHY_MII_IMR, 0xFFF0);