diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 018d14fc8130486f6c366a1788d79d1a690d2c0b..5894fcc4a8eedece6232fb3b8562fda9d9d10e77 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -431,7 +431,16 @@ static void find_valid_banks(struct denali_nand_info *denali)
 static void detect_max_banks(struct denali_nand_info *denali)
 {
 	uint32_t features = readl(denali->flash_reg + FEATURES);
-	denali->max_banks = 2 << (features & FEATURES__N_BANKS);
+	/*
+	 * Read the revision register, so we can calculate the max_banks
+	 * properly: the encoding changed from rev 5.0 to 5.1
+	 */
+	u32 revision = MAKE_COMPARABLE_REVISION(
+				readl(denali->flash_reg + REVISION));
+	if (revision < REVISION_5_1)
+		denali->max_banks = 2 << (features & FEATURES__N_BANKS);
+	else
+		denali->max_banks = 1 << (features & FEATURES__N_BANKS);
 }
 
 static void detect_partition_feature(struct denali_nand_info *denali)
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index 93b57259d6125cd117160f7eaa3dcdc5362afb67..db1457a680eef809e282f2175c52ea5b3d99c803 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -166,6 +166,8 @@
 
 #define REVISION				0x370
 #define     REVISION__VALUE				0xffff
+#define MAKE_COMPARABLE_REVISION(x)		swab16((x) & REVISION__VALUE)
+#define REVISION_5_1				0x00000501
 
 #define ONFI_DEVICE_FEATURES			0x380
 #define     ONFI_DEVICE_FEATURES__VALUE			0x003f