FEC_MIB_CTRLSTAT
writel(0 << 31, fep->hwp + FEC_MIB_CTRLSTAT);
FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL,
FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL,
writel(FEC_MIB_CTRLSTAT_DISABLE, fep->hwp + FEC_MIB_CTRLSTAT);
writel(0, fep->hwp + FEC_MIB_CTRLSTAT);