MMDACR_DADDRMASK
(MMDACR_DADDRMASK & RGEPHY_F_MMD_DEV_7));
PHY_WR(sc, MII_MMDACR, MMDACR_DADDRMASK | MMDACR_FN_DATANPI); \
PHY_WR(sc, MII_MMDACR, MMDACR_DADDRMASK); \