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boot/optee-os: add out-of-source OPTEE-OS device tree support

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Similarly to U-Boot, this patch adds the ability to copy in and build
out-of-source device tree sources during an OPTEE-OS build. To build
the external device tree source file, the OP-TEE OS configuration must
refer to it with the CFG_EMBED_DTB_SOURCE_FILE option and no platform
flavor needs to be specified.

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Kory Maincent 2022-12-13 12:11:54 +01:00 committed by Thomas Petazzoni
parent c96b2b21f7
commit 46306d135e
2 changed files with 16 additions and 0 deletions
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11
boot/optee-os/Config.in
View File

@ -130,6 +130,17 @@ config BR2_TARGET_OPTEE_OS_PLATFORM_FLAVOR
Value for the optional PLATFORM_FLAVOR build directive
provided to OP-TEE OS.
config BR2_TARGET_OPTEE_OS_CUSTOM_DTS_PATH
string "Device Tree Source file paths"
help
Space-separated list of paths to device tree source files
that will be copied to core/arch/arm/dts/ before starting the
build.
To use this device tree source file, the OP-TEE OS configuration
must refer to it with the CFG_EMBED_DTB_SOURCE_FILE option and
no platform flavor needs to be specified.
config BR2_TARGET_OPTEE_OS_ADDITIONAL_VARIABLES
string "Additional build variables"
help

5
boot/optee-os/optee-os.mk
View File

@ -84,6 +84,8 @@ endif
OPTEE_OS_IMAGE_FILES = $(call qstrip,$(BR2_TARGET_OPTEE_OS_CORE_IMAGES))
OPTEE_OS_CUSTOM_DTS_PATH = $(call qstrip,$(BR2_TARGET_OPTEE_OS_CUSTOM_DTS_PATH))
ifeq ($(BR2_TARGET_OPTEE_OS_CORE),y)
define OPTEE_OS_BUILD_CORE
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) O=$(OPTEE_OS_BUILDDIR_OUT) \
@ -120,6 +122,9 @@ endef
endif # BR2_TARGET_OPTEE_OS_SDK
define OPTEE_OS_BUILD_CMDS
$(if $(OPTEE_OS_CUSTOM_DTS_PATH),
cp -f $(OPTEE_OS_CUSTOM_DTS_PATH) $(@D)/core/arch/arm/dts/
)
$(OPTEE_OS_BUILD_CORE)
$(OPTEE_OS_BUILD_SDK)
endef