buildroot

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

#

# uboot

#

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

​

UBOOT_VERSION = $(call qstrip,$(BR2_TARGET_UBOOT_VERSION))

UBOOT_BOARD_NAME = $(call qstrip,$(BR2_TARGET_UBOOT_BOARDNAME))

​

UBOOT_LICENSE = GPLv2+

UBOOT_LICENSE_FILES = Licenses/gpl-2.0.txt

​

UBOOT_INSTALL_IMAGES = YES

​

ifeq ($(UBOOT_VERSION),custom)

# Handle custom U-Boot tarballs as specified by the configuration

UBOOT_TARBALL = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION))

UBOOT_SITE = $(patsubst %/,%,$(dir $(UBOOT_TARBALL)))

UBOOT_SOURCE = $(notdir $(UBOOT_TARBALL))

BR_NO_CHECK_HASH_FOR += $(UBOOT_SOURCE)

else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_GIT),y)

UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))

UBOOT_SITE_METHOD = git

else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_HG),y)

UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))

UBOOT_SITE_METHOD = hg

else ifeq ($(BR2_TARGET_UBOOT_CUSTOM_SVN),y)

UBOOT_SITE = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_REPO_URL))

UBOOT_SITE_METHOD = svn

else

# Handle stable official U-Boot versions

UBOOT_SITE = ftp://ftp.denx.de/pub/u-boot

UBOOT_SOURCE = u-boot-$(UBOOT_VERSION).tar.bz2

ifeq ($(BR2_TARGET_UBOOT_CUSTOM_VERSION),y)

BR_NO_CHECK_HASH_FOR += $(UBOOT_SOURCE)

endif

endif

​

ifeq ($(BR2_TARGET_UBOOT_FORMAT_ELF),y)

UBOOT_BIN = u-boot

# To make elf usable for debuging on ARC use special target

ifeq ($(BR2_arc),y)

UBOOT_MAKE_TARGET = mdbtrick

endif

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)

UBOOT_BIN = u-boot.kwb

UBOOT_MAKE_TARGET = $(UBOOT_BIN)

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_AIS),y)

UBOOT_BIN = u-boot.ais

UBOOT_MAKE_TARGET = $(UBOOT_BIN)

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)

UBOOT_BIN = u-boot.ldr

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND_BIN),y)

UBOOT_BIN = u-boot-nand.bin

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_DTB_IMG),y)

UBOOT_BIN = u-boot-dtb.img

UBOOT_MAKE_TARGET = all $(UBOOT_BIN)

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMG),y)

UBOOT_BIN = u-boot.img

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMX),y)

UBOOT_BIN = u-boot.imx

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_SB),y)

UBOOT_BIN = u-boot.sb

UBOOT_MAKE_TARGET = $(UBOOT_BIN)

# mxsimage needs OpenSSL

UBOOT_DEPENDENCIES += host-elftosb host-openssl

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_SD),y)

# BootStream (.sb) is generated by U-Boot, we convert it to SD format

UBOOT_BIN = u-boot.sd

UBOOT_MAKE_TARGET = u-boot.sb

UBOOT_DEPENDENCIES += host-elftosb host-openssl

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_NAND),y)

UBOOT_BIN = u-boot.nand

UBOOT_MAKE_TARGET = u-boot.sb

UBOOT_DEPENDENCIES += host-elftosb host-openssl

else ifeq ($(BR2_TARGET_UBOOT_FORMAT_CUSTOM),y)

UBOOT_BIN = $(call qstrip,$(BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME))

else

UBOOT_BIN = u-boot.bin

UBOOT_BIN_IFT = $(UBOOT_BIN).ift

endif

​

# The kernel calls AArch64 'arm64', but U-Boot calls it just 'arm', so

# we have to special case it. Similar for i386/x86_64 -> x86

ifeq ($(KERNEL_ARCH),arm64)

UBOOT_ARCH = arm

else ifneq ($(filter $(KERNEL_ARCH),i386 x86_64),)

UBOOT_ARCH = x86

else

UBOOT_ARCH = $(KERNEL_ARCH)

endif

​