uboot: add support for generating U-Boot boot scripts
More and more of our defconfigs need to generate a U-Boot boot script. It's a simple call to mkimage, but we already have 12 instances of this logic in board/, and there are patch series waiting in patchwork adding 3 more boards that need this. So let's add an option in the U-Boot package to generate such a boot script image easily. Note that we assume a single script needs to be generated, and the output file name is boot.scr. The only platform for which it seems to not be the case are the Boundary Devices platforms: they generate two boot scripts, 6x_bootscript and 6x_upgrade, but they are anyway installed inside TARGET_DIR, not BINARIES_DIR. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -407,6 +407,22 @@ config BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT
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endif # BR2_TARGET_UBOOT_ENVIMAGE
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config BR2_TARGET_UBOOT_BOOT_SCRIPT
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bool "Generate a U-Boot boot script"
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help
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Generate a U-Boot boot script, given a file listing U-Boot
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commands to be executed at boot time. The generated boot
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script will be called 'boot.scr'.
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if BR2_TARGET_UBOOT_BOOT_SCRIPT
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config BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE
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string "U-Boot boot script source"
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help
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Source file to generate the U-Boot boot script.
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endif
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if BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG
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config BR2_TARGET_UBOOT_CUSTOM_DTS_PATH
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@ -235,6 +235,10 @@ define UBOOT_INSTALL_IMAGES_CMDS
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$(if $(BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT),-r) \
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$(if $(filter BIG,$(BR2_ENDIAN)),-b) \
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-o $(BINARIES_DIR)/uboot-env.bin -)
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$(if $(BR2_TARGET_UBOOT_BOOT_SCRIPT),
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$(HOST_DIR)/usr/bin/mkimage -C none -A $(MKIMAGE_ARCH) -T script \
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-d $(call qstrip,$(BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE)) \
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$(BINARIES_DIR)/boot.scr)
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endef
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define UBOOT_INSTALL_OMAP_IFT_IMAGE
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@ -298,6 +302,15 @@ endif
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UBOOT_DEPENDENCIES += host-uboot-tools
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endif
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ifeq ($(BR2_TARGET_UBOOT_BOOT_SCRIPT),y)
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ifeq ($(BR_BUILDING),y)
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ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE)),)
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$(error Please define a source file for Uboot boot script (BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE setting))
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endif
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endif
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UBOOT_DEPENDENCIES += host-uboot-tools
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endif
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ifeq ($(BR2_TARGET_UBOOT)$(BR_BUILDING),yy)
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#
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