Hi all,
After commit 986d9deb3b24bc72e9e7ecf93affbc3f188bb926 ("build: allow
calling append-dtb from image build commands"), layerscape targets do
not build correctly anymore.
The failure is on DTB compilation, where an attempt is made to place the
DTB in a non-existent path:
make[5]: Entering directory
'/home/matt/lede-source/target/linux/layerscape/image'
make[5]: Nothing to be done for 'compile'.
aarch64-openwrt-linux-musl-cpp -nostdinc -x assembler-with-cpp
-I/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/linux-4.9.58/arch/arm64/boot/dts
-I/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/linux-4.9.58/arch/arm64/boot/dts/include
-I/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/linux-4.9.58/include/
-undef -D__DTS__ -o
/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/image-../../../arm64/boot/dts/freescale/fsl-ls1043a-rdb-sdk.dtb.tmp
/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/linux-4.9.58/arch/arm64/boot/dts/../../../arm64/boot/dts/freescale/fsl-ls1043a-rdb-sdk.dts
cc1: fatal error: opening output file
/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/image-../../../arm64/boot/dts/freescale/fsl-ls1043a-rdb-sdk.dtb.tmp:
No such file or directory
compilation terminated.
Makefile:112: recipe for target
'/home/matt/lede-source/build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/image-../../../arm64/boot/dts/freescale/fsl-ls1043a-rdb-sdk.dtb'
failed
image.mk wants the compiled DTB to be at
$(KDIR)/image-$(DEVICE_DTS).dtb, but this does not work on arm64
targets, as the boot/dts structure is organized by vendor, i.e
arch/arm64/boot/dts/freescale,..boot/dts/marvell/ etc, instead of having
everything in one directory like arch/arm/boot/dts/
I have managed to work around this by setting under the
(target/layerscape/image.mk) Device/default:
DEVICE_DTS_DIR := $(LINUX_DIR)/arch/arm64/boot/dts/freescale
DTS_DIR := $$(DEVICE_DTS_DIR)
And for each target:
DEVICE_DTS = fsl-ls1043a-rdb-sdk
DEVICE_DTS = fsl-ls1046a-rdb-sdk
(I tried DEVICE_DTS = freescale/fsl-ls1043a-rdb-sdk but this also fails,
it tries to generate
build_dir/target-aarch64_generic_musl/linux-layerscape_armv8_64b/image-freescale/fsl-ls1043a-rdb-sdk.dtb.tmp
)
I'm not sure setting DEVICE_DTS_DIR and DTS_DIR to point to
dts/freescale is the best approach, yet alone the need to force the path
to be under $(LINUX_DIR).
Does anyone have suggestions on how this could be (better) handled?
Regards,
Matt
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