tools: MediaTek: add MTK boot header generation to mkimage

This patch adds support for MTK boot image generation. Signed-off-by: Weijie Gao <[email protected]> Signed-off-by: Ryder Lee <[email protected]> Reviewed-by: Simon Glass <[email protected]>
OYTIS · Nov 29, 2018 · 3b975a1 · 3b975a1
1 parent 67cf22c
commit 3b975a1
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Showing 7 changed files with 984 additions and 0 deletions.
diff --git a/Makefile b/Makefile
@@ -852,6 +852,8 @@ ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin
 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 @@ u-boot.elf: u-boot.bin
 	$(Q)$(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

diff --git a/common/image.c b/common/image.c
@@ -166,6 +166,7 @@ static const table_entry_t uimage_type[] = {
 	{	IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
 	{       IH_TYPE_PMMC,        "pmmc",        "TI Power Management Micro-Controller Firmware",},
 	{	IH_TYPE_STM32IMAGE, "stm32image", "STMicroelectronics STM32 Image" },
+	{	IH_TYPE_MTKIMAGE,   "mtk_image",   "MediaTek BootROM loadable Image" },
 	{	-1,		    "",		  "",			},
 };
 

diff --git a/include/image.h b/include/image.h
@@ -278,6 +278,7 @@ enum {
 	IH_TYPE_PMMC,            /* TI Power Management Micro-Controller Firmware */
 	IH_TYPE_STM32IMAGE,		/* STMicroelectronics STM32 Image */
 	IH_TYPE_SOCFPGAIMAGE_V1,	/* Altera SOCFPGA A10 Preloader	*/
+	IH_TYPE_MTKIMAGE,		/* MediaTek BootROM loadable Image */
 
 	IH_TYPE_COUNT,			/* Number of image types */
 };

diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
@@ -219,6 +219,8 @@ ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
 ALL-$(CONFIG_ARCH_ZYNQ)		+= $(obj)/boot.bin
 ALL-$(CONFIG_ARCH_ZYNQMP)	+= $(obj)/boot.bin
 
+ALL-$(CONFIG_ARCH_MEDIATEK)	+= $(obj)/u-boot-spl-mtk.bin
+
 all:	$(ALL-y)
 
 quiet_cmd_cat = CAT     $@
@@ -349,6 +351,15 @@ cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 	$(call if_changed,sunxi_spl_image_builder)
 
+
+# MediaTek's specific SPL build
+MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
+	-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
+	-n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
+
+$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
+	$(call if_changed,mkimage)
+
 # Rule to link u-boot-spl
 # May be overridden by arch/$(ARCH)/config.mk
 quiet_cmd_u-boot-spl ?= LD      $@

diff --git a/tools/Makefile b/tools/Makefile
@@ -116,6 +116,7 @@ dumpimage-mkimage-objs := aisimage.o \
 			$(LIBFDT_OBJS) \
 			gpimage.o \
 			gpimage-common.o \
+			mtk_image.o \
 			$(RSA_OBJS-y)
 
 dumpimage-objs := $(dumpimage-mkimage-objs) dumpimage.o