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dts: support building all dtb files for a specific vendor

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This adjusts OF_UPSTREAM to behave more like the kernel by allowing for
all the devicetree files for a given vendor to be compiled. This is
useful for Qualcomm in particular as most boards are supported by a
single U-Boot build just provided with a different DT.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Amlogic boards builds
This commit is contained in:
Caleb Connolly 2024-04-18 19:39:58 +01:00 • committed by Tom Rini
parent 1ef61c338d
commit 0525cb2ae0
2 changed files with 37 additions and 0 deletions
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24
dts/Kconfig
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@ -101,6 +101,30 @@ config OF_UPSTREAM
the dts/upstream subtree, they can override this option to have the
DT build from existing U-Boot tree location instead.
config OF_UPSTREAM_BUILD_VENDOR
bool "Build all devicetree files for a particular vendor"
depends on OF_UPSTREAM
help
Enable building all devicetree files for a particular vendor. This
is useful for generic U-Boot configurations where many boards can
be supported with a single binary.
This is only available for platforms using upstream devicetree.
config OF_UPSTREAM_VENDOR
string "Vendor to build all upstream devicetree files for"
depends on OF_UPSTREAM_BUILD_VENDOR
default "qcom" if ARCH_SNAPDRAGON
default "rockchip" if ARCH_ROCKCHIP
default "amlogic" if ARCH_MESON
default "allwinner" if ARCH_SUNXI
default "mediatek" if ARCH_MEDIATEK
default "marvell" if ARCH_MVEBU || ARCH_KIRKWOOD
default "xilinx" if ARCH_VERSAL || ARCH_ZYNQ
default "nvidia" if ARCH_TEGRA
help
Select the vendor to build all devicetree files for.
choice
prompt "Provider of DTB for DT control"
depends on OF_CONTROL

13
scripts/Makefile.dts
View file

@ -1,3 +1,16 @@
# SPDX-License-Identifier: GPL-2.0+
dtb-y += $(patsubst %,%.dtb,$(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE) $(CONFIG_OF_LIST) $(CONFIG_SPL_OF_LIST)))
ifeq ($(CONFIG_OF_UPSTREAM_BUILD_VENDOR),y)
ifeq ($(CONFIG_ARM64),y)
dt_dir := $(srctree)/dts/upstream/src/arm64
else
dt_dir := $(srctree)/dts/upstream/src/$(ARCH)
endif
dtb-vendor_dts := $(patsubst %.dts,%.dtb,$(wildcard $(dt_dir)/$(subst ",,$(CONFIG_OF_UPSTREAM_VENDOR))/*.dts))
dtb-y += $(subst $(dt_dir)/,,$(dtb-vendor_dts))
endif