u-boot: allow specification of custom Git repo as source

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

boot/uboot/Config.in

@@ -34,6 +34,9 @@ config BR2_TARGET_UBOOT_2010_03
 config BR2_TARGET_UBOOT_CUSTOM_TARBALL
 	bool "Custom tarball"
 
+config BR2_TARGET_UBOOT_CUSTOM_GIT
+	bool "Custom Git repository"
+
 endchoice
 
 if BR2_TARGET_UBOOT_CUSTOM_TARBALL
@@ -51,6 +54,7 @@ config BR2_TARGET_UBOOT_VERSION
 	default "2010.06"	if BR2_TARGET_UBOOT_2010_06
 	default "2010.03"	if BR2_TARGET_UBOOT_2010_03
 	default "custom"	if BR2_TARGET_UBOOT_CUSTOM_TARBALL
+	default $BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION if BR2_TARGET_UBOOT_CUSTOM_GIT
 
 config BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR
 	string "custom patch dir"
@@ -61,6 +65,16 @@ config BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR
 
 	  Most users may leave this empty
 
+if BR2_TARGET_UBOOT_CUSTOM_GIT
+
+config BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL
+	string "URL of custom Git repository"
+
+config BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION
+	string "Custom Git version"
+
+endif
+
 choice
 	prompt "U-Boot binary format"
 

boot/uboot/uboot.mk

@@ -13,6 +13,9 @@ ifeq ($(UBOOT_VERSION),custom)
 UBOOT_TARBALL = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION))
 UBOOT_SITE    = $(dir $(UBOOT_TARBALL))
 UBOOT_SOURCE  = $(notdir $(UBOOT_TARBALL))
+else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_GIT),y)
+UBOOT_SITE        = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL))
+UBOOT_SITE_METHOD = git
 else
 # Handle stable official U-Boot versions
 UBOOT_SITE    = ftp://ftp.denx.de/pub/u-boot