MII_MMDACR
PHY_WRITE(sc, MII_MMDACR, MMDACR_FN_ADDRESS |
PHY_WRITE(sc, MII_MMDACR, MMDACR_FN_DATANPI |
PHY_WRITE(sc, MII_MMDACR, 0x0000);
PHY_WR(sc, MII_MMDACR, MMDACR_DADDRMASK | MMDACR_FN_DATANPI); \
PHY_WR(sc, MII_MMDACR, MMDACR_DADDRMASK); \