LTQ_ETOP_MDIO
while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
ltq_etop_w32(val, LTQ_ETOP_MDIO);
while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
ltq_etop_w32(val, LTQ_ETOP_MDIO);
while (ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_REQUEST)
val = ltq_etop_r32(LTQ_ETOP_MDIO) & MDIO_VAL_MASK;