MVGBE_RQC
MVGBE_WRITE(sc, MVGBE_RQC, MVGBE_RQC_ENQ(0));
MVGBE_WRITE(sc, MVGBE_RQC, MVGBE_RQC_DISQ(0));
MVGBE_WRITE(sc, MVGBE_RQC, MVGBE_RQC_ENQ(0));
reg = MVGBE_READ(sc, MVGBE_RQC);
MVGBE_WRITE(sc, MVGBE_RQC, MVGBE_RQC_DISQ_DISABLE(reg));
reg = MVGBE_READ(sc, MVGBE_RQC);