MCF              3075 drivers/net/ethernet/amd/xgbe/xgbe-dev.c 	XGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 1);
MCF              3201 drivers/net/ethernet/amd/xgbe/xgbe-dev.c 	XGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 0);