NDCR_ND_ARB_EN     51 arch/arm/mach-pxa/pxa3xx.c #define NDCR_ND_ARB_EN		(1 << 12)
NDCR_ND_ARB_EN    128 drivers/mtd/nand/raw/marvell_nand.c #define NDCR_ND_ARB_EN		BIT(12)