NDCR_DWIDTH_C
NDCR_DWIDTH_M | NDCR_DWIDTH_C))
marvell_nand->ndcr |= NDCR_DWIDTH_M | NDCR_DWIDTH_C;
ndcr &= ~(NDCR_DWIDTH_M | NDCR_DWIDTH_C);
ndcr |= NDCR_DWIDTH_M | NDCR_DWIDTH_C;