[U-Boot] [PATCH 1/2] arm: mvebu: fix boot from UART on ClearFog Base

[Baruch Siach]

The ClearFog Base boot from UART when setting the DIP switches to 01001.
Unfortunately, the SPL code sometimes fails to detect the UART boot
method at run-time. Add an alternative SAR UART boot value to fix this.

Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 arch/arm/mach-mvebu/include/mach/soc.h | 1 +
 arch/arm/mach-mvebu/spl.c              | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h
index 0900e4008c12..44bac63b4447 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -139,6 +139,7 @@
 #define BOOT_DEV_SEL_MASK	(0x3f << BOOT_DEV_SEL_OFFS)
 
 #define BOOT_FROM_UART		0x28
+#define BOOT_FROM_UART_ALT	0x3f
 #define BOOT_FROM_SPI		0x32
 #define BOOT_FROM_MMC		0x30
 #define BOOT_FROM_MMC_ALT	0x31
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 3cf02a54cea2..4b9c41360589 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -42,6 +42,7 @@ static u32 get_boot_device(void)
 		return BOOT_DEVICE_MMC1;
 #endif
 	case BOOT_FROM_UART:
+	case BOOT_FROM_UART_ALT:
 		return BOOT_DEVICE_UART;
 	case BOOT_FROM_SPI:
 	default:
-- 
2.14.1