[U-Boot] [PATCH 5/6] mvebu: support UART boot image

[Baruch Siach]

The kwboot utility can use the generated image to boot mvebu SoCs from
UART.

Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 arch/arm/mach-mvebu/Kconfig  | 3 +++
 arch/arm/mach-mvebu/Makefile | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 2ee01e9cff81..38eacb24b388 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -193,6 +193,9 @@ config MVEBU_SPL_BOOT_DEVICE_MMC
 	bool "SDIO/MMC card"
 	select SPL_LIBDISK_SUPPORT
 
+config MVEBU_SPL_BOOT_DEVICE_UART
+	bool "UART"
+
 endchoice
 
 config MVEBU_EFUSE
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index d907fac3752d..ee2eca913484 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -35,6 +35,9 @@ endif
 ifneq ($(CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC),)
 	KWB_CFG_BOOT_FROM=sdio
 endif
+ifneq ($(CONFIG_MVEBU_SPL_BOOT_DEVICE_UART),)
+	KWB_CFG_BOOT_FROM=uart
+endif
 
 ifneq ($(CONFIG_SECURED_MODE_IMAGE),)
 KWB_REPLACE += CSK_INDEX
-- 
2.17.1