mvebu: support UART boot image
The kwboot utility can use the generated image to boot mvebu SoCs from
UART.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index e1b70c5..d1f7133 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -193,6 +193,9 @@
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 d907fac..ee2eca9 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -35,6 +35,9 @@
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