#
# Copyright (C) 2016 Ben Whitten <ben.whitten@gmail.com>
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk

PKG_NAME:=u-boot
PKG_VERSION:=2016.05
PKG_RELEASE:=1

PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:= \
	http://mirror2.openwrt.org/sources \
	ftp://ftp.denx.de/pub/u-boot
PKG_HASH:=87d02275615aaf0cd007b54cbe9fbadceef2bee7c79e6c323ea1ae8956dcb171

PKG_LICENSE:=GPL-2.0 GPL-2.0+
PKG_LICENSE_FILES:=Licenses/README

PKG_BUILD_PARALLEL:=1

include $(INCLUDE_DIR)/package.mk

define uboot/Default
  TITLE:=
endef

define uboot/at91sam9m10g45ek_nandflash
  TITLE:=U-Boot for the AT91SAM9M10G45-EK board (NandFlash)
endef

define uboot/at91sam9x5ek_nandflash
  TITLE:=U-Boot for the AT91SAM9X5-EK board (NandFlash)
endef

UBOOTS := \
	at91sam9m10g45ek_nandflash \
	at91sam9x5ek_nandflash

define Package/uboot/template
define Package/uboot-at91-$(1)
  SECTION:=boot
  CATEGORY:=Boot Loaders
  DEPENDS:=@TARGET_at91
  TITLE:=$(2)
  URL:=http://www.denx.de/wiki/U-Boot
  VARIANT:=$(1)
  MAINTAINER:=Ben Whitten <ben.whitten@gmail.com>
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),lede-$(BOARD)-$(BUILD_VARIANT)-u-boot.bin)
endif

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

define Build/Compile
	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
		CROSS_COMPILE=$(TARGET_CROSS) \
		KCFLAGS="$(filter-out -fstack-protector, $(TARGET_CFLAGS))"
endef

define Package/uboot/install/default
	$(INSTALL_DIR) $(BIN_DIR)/uboot-$(BOARD)-$(1)

	$(CP) $(PKG_BUILD_DIR)/u-boot.bin \
		$(BIN_DIR)/uboot-$(BOARD)-$(1)/u-boot.bin

	$(CP) $(PKG_BUILD_DIR)/boot.bin \
		$(BIN_DIR)/uboot-$(BOARD)-$(1)/boot.bin
endef

define Package/uboot/install/template
define Package/uboot-at91-$(1)/install
	$(call Package/uboot/install/default,$(2))
endef
endef

$(foreach u,$(UBOOTS), \
	$(eval $(call Package/uboot/install/template,$(u),$(u))) \
)

$(foreach u,$(UBOOTS), \
	$(eval $(call BuildUBootPackage,$(u))) \
	$(eval $(call BuildPackage,uboot-at91-$(u))) \
)