enable optional building of u-boot for avr32

SVN-Revision: 10961

target/linux/avr32/image/Config.in

@@ -0,0 +1,13 @@
+config AVR32_UBOOT
+	bool "Build u-boot loader"
+	depends TARGET_avr32
+	default n
+
+config AVR32_UBOOT_TARGET
+	string "U-Boot Board Configuration"
+	depends TARGET_avr32
+	depends AVR32_UBOOT
+	default "atngw100"
+	help
+	  For all supported boards there are ready-to-use default
+		configurations available; just type "<board_name>".

target/linux/avr32/image/Makefile

@@ -4,9 +4,18 @@
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
+
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
+define Build/Clean
+	$(MAKE) -C u-boot clean
+endef
+
+define Build/Compile
+	$(MAKE) -C u-boot compile
+endef
+
 define Image/Prepare
 	cp $(LINUX_DIR)/arch/avr32/boot/images/uImage $(KDIR)/uImage
 endef

target/linux/avr32/image/u-boot/Makefile

@@ -0,0 +1,35 @@
+#
+# Copyright (C) 2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=u-boot
+PKG_VERSION:=1.3.2
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=ftp://ftp.denx.de/pub/u-boot
+PKG_MD5SUM:=78b1c2722d3907b5fae2cd219dbaf927
+PKG_CAT:=bzcat
+
+include $(INCLUDE_DIR)/package.mk
+
+UBOOT_CONFIG=$(strip $(subst ",, $(CONFIG_AVR32_UBOOT_TARGET)))
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) $(UBOOT_CONFIG)_config
+	export CROSS_COMPILE=$(TARGET_CROSS);
+	$(MAKE) -C $(PKG_BUILD_DIR)
+endef
+
+define Build/InstallDev
+	dd if=$(PKG_BUILD_DIR)/u-boot.bin of=$(BIN_DIR)/u-boot-$(CONFIG_AVR32_UBOOT_TARGET).bin bs=64k count=1 conv=sync
+endef
+
+$(eval $(call Build/DefaultTargets))