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| author | Luca Ceresoli <luca@lucaceresoli.net> | 2012-05-17 10:11:31 +0000 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2012-05-19 22:33:48 +0200 |
| commit | 721247949235d5750fb482cc8bfa791f4957d7be (patch) | |
| tree | 24bb798711548a87834fe0e0e7c180655d69e8c3 | |
| parent | 761dc51bdb39963c0b99bb78ce9733762b42c5d7 (diff) | |
| download | buildroot-novena-721247949235d5750fb482cc8bfa791f4957d7be.tar.gz buildroot-novena-721247949235d5750fb482cc8bfa791f4957d7be.zip | |
u-boot: build signed image for OMAP processors
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
| -rw-r--r-- | boot/uboot/Config.in | 32 | ||||
| -rw-r--r-- | boot/uboot/uboot.mk | 25 |
2 files changed, 57 insertions, 0 deletions
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in index f83cf4b51..afc2f917a 100644 --- a/boot/uboot/Config.in +++ b/boot/uboot/Config.in @@ -99,6 +99,38 @@ config BR2_TARGET_UBOOT_FORMAT_LDR endchoice +config BR2_TARGET_UBOOT_OMAP_IFT + depends on BR2_TARGET_UBOOT_FORMAT_BIN + depends on BR2_arm || BR2_armeb + select BR2_PACKAGE_HOST_OMAP_U_BOOT_UTILS + bool "produce a .ift signed image (OMAP)" + help + Use gpsign to produce an image of u-boot.bin signed with + a Configuration Header for booting on OMAP processors. + This allows U-Boot to boot without the need for an + intermediate bootloader (e.g. x-loader) if it is written + on the first sector of the boot medium. + This only works for some media, such as NAND. Check your + chip documentation for details. You might also want to + read the documentation of gpsign, the tool that generates + the .ift image, at: + https://github.com/nmenon/omap-u-boot-utils/blob/master/README + +if BR2_TARGET_UBOOT_OMAP_IFT + +config BR2_TARGET_UBOOT_OMAP_IFT_CONFIG + string "gpsign Configuration Header config file" + help + The Configuration Header (CH) config file defines the + desired content of the CH for the signed image. + It usually contains external RAM settings and + possibly other external devices initialization. + The omap-u-boot-utils software contains example + configuration files for some boards: + https://github.com/nmenon/omap-u-boot-utils/tree/master/configs + +endif + menuconfig BR2_TARGET_UBOOT_NETWORK bool "Custom Network Settings" help diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk index 31190922f..486773aa7 100644 --- a/boot/uboot/uboot.mk +++ b/boot/uboot/uboot.mk @@ -33,6 +33,7 @@ else ifeq ($(BR2_TARGET_UBOOT_FORMAT_IMG),y) UBOOT_BIN = u-boot.img else UBOOT_BIN = u-boot.bin +UBOOT_BIN_IFT = $(UBOOT_BIN).ift endif UBOOT_ARCH=$(KERNEL_ARCH) @@ -88,12 +89,36 @@ define UBOOT_BUILD_CMDS $(UBOOT_MAKE_TARGET) endef +define UBOOT_BUILD_OMAP_IFT + $(HOST_DIR)/usr/bin/gpsign -f $(@D)/u-boot.bin \ + -c $(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG)) +endef + define UBOOT_INSTALL_IMAGES_CMDS cp -dpf $(@D)/$(UBOOT_BIN) $(BINARIES_DIR)/ $(if $(BR2_TARGET_UBOOT_SPL), cp -dpf $(@D)/$(BR2_TARGET_UBOOT_SPL_NAME) $(BINARIES_DIR)/) endef +define UBOOT_INSTALL_OMAP_IFT_IMAGE + cp -dpf $(@D)/$(UBOOT_BIN_IFT) $(BINARIES_DIR)/ +endef + +ifeq ($(BR2_TARGET_UBOOT_OMAP_IFT),y) +# we NEED a config file unless we're at make source +ifeq ($(filter source,$(MAKECMDGOALS)),) +ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG)),) +$(error No gpsign config file. Check your BR2_TARGET_UBOOT_OMAP_IFT_CONFIG setting) +endif +ifeq ($(wildcard $(call qstrip,$(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG))),) +$(error gpsign config file $(BR2_TARGET_UBOOT_OMAP_IFT_CONFIG) not found. Check your BR2_TARGET_UBOOT_OMAP_IFT_CONFIG setting) +endif +endif +UBOOT_DEPENDENCIES += host-omap-u-boot-utils +UBOOT_POST_BUILD_HOOKS += UBOOT_BUILD_OMAP_IFT +UBOOT_POST_INSTALL_IMAGES_HOOKS += UBOOT_INSTALL_OMAP_IFT_IMAGE +endif + $(eval $(call GENTARGETS)) ifeq ($(BR2_TARGET_UBOOT),y) |