diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index 1904fdf..cdb65d4 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -215,7 +215,7 @@
 	csa = at91_sys_read(AT91_MATRIX_EBICSA);
 	at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
 
-	cap9adk_nand_data.bus_width_16 = !board_have_nand_8bit();
+	cap9adk_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (cap9adk_nand_data.bus_width_16)
 		cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index d600dc1..5c24074 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -214,7 +214,7 @@
 
 static void __init ek_add_device_nand(void)
 {
-	ek_nand_data.bus_width_16 = !board_have_nand_8bit();
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (ek_nand_data.bus_width_16)
 		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index f897f84..b60c22b 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -220,7 +220,7 @@
 
 static void __init ek_add_device_nand(void)
 {
-	ek_nand_data.bus_width_16 = !board_have_nand_8bit();
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (ek_nand_data.bus_width_16)
 		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 605b26f..9bbdc92 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -221,7 +221,7 @@
 
 static void __init ek_add_device_nand(void)
 {
-	ek_nand_data.bus_width_16 = !board_have_nand_8bit();
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (ek_nand_data.bus_width_16)
 		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 7624cf0..1325a50 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -198,7 +198,7 @@
 
 static void __init ek_add_device_nand(void)
 {
-	ek_nand_data.bus_width_16 = !board_have_nand_8bit();
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (ek_nand_data.bus_width_16)
 		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 063c95d..33eaa13 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -178,7 +178,7 @@
 
 static void __init ek_add_device_nand(void)
 {
-	ek_nand_data.bus_width_16 = !board_have_nand_8bit();
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
 	/* setup bus-width (8 or 16) */
 	if (ek_nand_data.bus_width_16)
 		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h
index b855ee7..8f48660 100644
--- a/arch/arm/mach-at91/include/mach/system_rev.h
+++ b/arch/arm/mach-at91/include/mach/system_rev.h
@@ -13,13 +13,13 @@
  * the 16-31 bit are reserved for at91 generic information
  *
  * bit 31:
- *	0 => nand 16 bit
- *	1 => nand 8 bit
+ *	0 => nand 8 bit
+ *	1 => nand 16 bit
  */
-#define BOARD_HAVE_NAND_8BIT	(1 << 31)
-static int inline board_have_nand_8bit(void)
+#define BOARD_HAVE_NAND_16BIT	(1 << 31)
+static inline int board_have_nand_16bit(void)
 {
-	return system_rev & BOARD_HAVE_NAND_8BIT;
+	return system_rev & BOARD_HAVE_NAND_16BIT;
 }
 
 #endif /* __ARCH_SYSTEM_REV_H__ */