#
# Copyright (C) 2010 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:=2012.10-rc2
PKG_RELEASE:=1

PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=ftp://ftp.denx.de/pub/u-boot
PKG_MD5SUM:=
PKG_TARGETS:=bin

include $(INCLUDE_DIR)/package.mk

define uboot/Default
  TITLE:=
  CONFIG:=
  IMAGE:=
endef

define uboot/qi_lb60
  TITLE:=U-boot for the qi_lb60 board
endef

UBOOTS:=qi_lb60

define Package/uboot/template
define Package/uboot-xburst-$(1)
  SECTION:=boot
  CATEGORY:=Boot Loaders
  DEPENDS:=@TARGET_xburst
  TITLE:=$(2)
  URL:=http://www.denx.de/wiki/UBoot/WebHome
  VARIANT:=$(1)
endef
endef

define BuildUbootPackage
	$(eval $(uboot/Default))
	$(eval $(uboot/$(1)))
	$(call Package/uboot/template,$(1),$(TITLE))
endef


ifdef BUILD_VARIANT
$(eval $(call uboot/$(BUILD_VARIANT)))
UBOOT_CONFIG:=$(if $(CONFIG),$(CONFIG),$(BUILD_VARIANT))
UBOOT_IMAGE:=$(if $(IMAGE),$(IMAGE),openwrt-$(BOARD)-$(BUILD_BARIANT)-u-boot.bin)
endif

define Build/Configure
	$(MAKE) -C $(PKG_BUILD_DIR) \
		$(UBOOT_CONFIG)_config
endef

define Build/Compile
	$(MAKE) -C $(PKG_BUILD_DIR) \
		CROSS_COMPILE=$(TARGET_CROSS)
	$(MAKE) -C $(PKG_BUILD_DIR) \
		CROSS_COMPILE=$(TARGET_CROSS) spl/u-boot-spl.bin
	dd if=$(PKG_BUILD_DIR)/spl/u-boot-spl.bin of=$(PKG_BUILD_DIR)/u-boot-spl-tmp.bin conv=sync bs=8192 count=1
	dd if=$(PKG_BUILD_DIR)/spl/u-boot-spl.bin of=$(PKG_BUILD_DIR)/u-boot-spl-tmp.bin conv=sync,notrunc oflag=append bs=8192 count=1
	tr '\0' '\377' < /dev/zero | dd of=$(PKG_BUILD_DIR)/u-boot-spl-tmp.bin conv=sync,notrunc oflag=append bs=16384 count=1
	cat $(PKG_BUILD_DIR)/u-boot-spl-tmp.bin $(PKG_BUILD_DIR)/u-boot.bin > $(PKG_BUILD_DIR)/u-boot-nand.bin
endef

define Package/uboot/install/template
define Package/uboot-xburst-$(1)/install
	$(CP) $(PKG_BUILD_DIR)/u-boot-nand.bin $(BIN_DIR)/$(2)
	rmdir $$(1)
endef
endef

$(foreach u,$(UBOOTS), \
	$(eval $(call Package/uboot/install/template,$(u),openwrt-$(BOARD)-$(u)-u-boot.bin)) \
)

$(foreach u,$(UBOOTS), \
	$(eval $(call BuildUbootPackage,$(u))) \
	$(eval $(call BuildPackage,uboot-xburst-$(u))) \
)