Commit 6cc9d936 authored by Thomas Petazzoni's avatar Thomas Petazzoni
Browse files

Add support for the Barebox bootloader 



Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent ef81363d

boot/Config.in

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menu "Bootloaders"



source "boot/barebox/Config.in"

source "boot/grub/Config.in"

source "boot/grub2/Config.in"

source "boot/syslinux/Config.in"

boot/barebox/Config.in

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menuconfig BR2_TARGET_BAREBOX

	bool "Barebox"

	help

	  The Barebox bootloader, formerly known as U-Boot v2.



	  http://www.barebox.org



if BR2_TARGET_BAREBOX

config BR2_TARGET_BAREBOX_BOARD_DEFCONFIG

	string "board defconfig"

	help

	  Name of the board for which Barebox should be built, without

	  the _defconfig suffix.

endif

boot/barebox/barebox.mk

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#############################################################

#

# Barebox

#

#############################################################



BAREBOX_VERSION:=2010.05.0

BAREBOX_SOURCE:=barebox-$(BAREBOX_VERSION).tar.bz2

BAREBOX_SITE:=http://www.barebox.org/download/

BAREBOX_DIR:=$(BUILD_DIR)/barebox-$(BAREBOX_VERSION)

BAREBOX_CAT:=$(BZCAT)

BAREBOX_BOARD_DEFCONFIG:=$(call qstrip,$(BR2_TARGET_BAREBOX_BOARD_DEFCONFIG))



ifeq ($(KERNEL_ARCH),i386)

BAREBOX_ARCH=x86

else ifeq ($(KERNEL_ARCH),powerpc)

BAREBOX_ARCH=ppc

else

BAREBOX_ARCH=$(KERNEL_ARCH)

endif



BAREBOX_MAKE_FLAGS = ARCH=$(BAREBOX_ARCH) CROSS_COMPILE=$(TARGET_CROSS)



$(DL_DIR)/$(BAREBOX_SOURCE):

	 $(call DOWNLOAD,$(BAREBOX_SITE),$(BAREBOX_SOURCE))



$(BAREBOX_DIR)/.unpacked: $(DL_DIR)/$(BAREBOX_SOURCE)

	mkdir -p $(@D)

	$(INFLATE$(suffix $(BAREBOX_SOURCE))) $(DL_DIR)/$(BAREBOX_SOURCE) \

		| tar $(TAR_STRIP_COMPONENTS)=1 -C $(@D) $(TAR_OPTIONS) -

	touch $@



$(BAREBOX_DIR)/.patched: $(BAREBOX_DIR)/.unpacked

	toolchain/patch-kernel.sh $(BAREBOX_DIR) boot/barebox \

		barebox-$(BAREBOX_VERSION)-\*.patch \

		barebox-$(BAREBOX_VERSION)-\*.patch.$(ARCH)

	touch $@



$(BAREBOX_DIR)/.configured: $(BAREBOX_DIR)/.patched

	$(MAKE) $(BAREBOX_MAKE_FLAGS) -C $(BAREBOX_DIR) $(BAREBOX_BOARD_DEFCONFIG)_defconfig

	touch $@



$(BAREBOX_DIR)/.built: $(BAREBOX_DIR)/.configured

	$(MAKE) $(BAREBOX_MAKE_FLAGS) -C $(BAREBOX_DIR)

	touch $@



$(BAREBOX_DIR)/.installed: $(BAREBOX_DIR)/.built

	cp $(BAREBOX_DIR)/barebox.bin $(BINARIES_DIR)

	touch $@



barebox: $(BAREBOX_DIR)/.installed



ifeq ($(BR2_TARGET_BAREBOX),y)

TARGETS+=barebox



# we NEED a board defconfig file

ifeq ($(BAREBOX_BOARD_DEFCONFIG),)

$(error No Barebox defconfig file. Check your BR2_TARGET_BAREBOX_BOARD_DEFCONFIG setting)

endif



endif