[PATCH v2 12/19] ARM: i.MX: boot: Share code to detect NAND as a boot source

[Andrey Smirnov]

Share code to detect NAND as a boot source between i.MX53 and i.MX6
which behave the same in that aspect.

Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
 arch/arm/mach-imx/boot.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
index 61ac8dadf..a5dff77df 100644
--- a/arch/arm/mach-imx/boot.c
+++ b/arch/arm/mach-imx/boot.c
@@ -204,6 +204,11 @@ static int imx53_bootsource_internal(uint32_t r)
 	return FIELD_GET(BOOT_CFG1(7, 4), r);
 }
 
+static bool imx53_bootsource_nand(uint32_t r)
+{
+	return FIELD_GET(BOOT_CFG1_7, r);
+}
+
 void imx53_get_boot_source(enum bootsource *src, int *instance)
 {
 	void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR);
@@ -235,7 +240,7 @@ void imx53_get_boot_source(enum bootsource *src, int *instance)
 		break;
 	}
 
-	if (cfg1 & (1 << 7))
+	if (imx53_bootsource_nand(cfg1))
 		*src = BOOTSOURCE_NAND;
 
 
@@ -319,8 +324,7 @@ void imx6_get_boot_source(enum bootsource *src, int *instance)
 		break;
 	}
 
-	/* BOOT_CFG1[7:0] */
-	if (sbmr1 & (1 << 7))
+	if (imx53_bootsource_nand(sbmr1))
 		*src = BOOTSOURCE_NAND;
 }
 
-- 
2.14.3