tools: MediaTek: add MTK boot header generation to mkimage
This patch adds support for MTK boot image generation.
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/Makefile b/Makefile
index aeb1c14..a4b1d1d 100644
--- a/Makefile
+++ b/Makefile
@@ -852,6 +852,8 @@
ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin
endif
+ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin
+
# Add optional build target if defined in board/cpu/soc headers
ifneq ($(CONFIG_BUILD_TARGET),)
ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
@@ -1361,6 +1363,26 @@
$(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
$(call if_changed,u-boot-elf)
+# MediaTek's ARM-based u-boot needs a header to contains its load address
+# which is parsed by the BootROM.
+# If the SPL build is enabled, the header will be added to the spl binary,
+# and the spl binary and the u-boot.img will be combined into one file.
+# Otherwise the header will be added to the u-boot.bin directly.
+
+ifeq ($(CONFIG_SPL),y)
+spl/u-boot-spl-mtk.bin: spl/u-boot-spl
+
+u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE
+ $(call if_changed,binman)
+else
+MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
+ -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
+
+u-boot-mtk.bin: u-boot.bin FORCE
+ $(call if_changed,mkimage)
+endif
+
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
# Rule to link u-boot