AE_PHY_DBG_DATA
val = AE_PHY_READ(sc, AE_PHY_DBG_DATA);
AE_PHY_WRITE(sc, AE_PHY_DBG_DATA, val);
val = AE_PHY_READ(sc, AE_PHY_DBG_DATA);
AE_PHY_WRITE(sc, AE_PHY_DBG_DATA, 0x3000);
AE_PHY_WRITE(sc, AE_PHY_DBG_DATA, 0);