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Copy *.dtbo files at arch/arm/boot/dts/overlays to boot partition, e.g, /media/boot/overlays/. Then use "fdtoverlay" tool to integrate DTB and DTBOs. Or, you also can use "fdt apply" u-boot command to prepare device tree blob at booting time. Signed-off-by: Yang Deokgyu <secugyu@gmail.com> Change-Id: I40e6a915e2149952fb548f64e7fae335ba12db18
45 lines
1.3 KiB
Makefile
45 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# ==========================================================================
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# Installing dtb files
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#
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# Installs all dtb files listed in $(dtb-y) either in the
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# INSTALL_DTBS_PATH directory or the default location:
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#
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# $INSTALL_PATH/dtbs/$KERNELRELEASE
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# ==========================================================================
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src := $(obj)
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PHONY := __dtbs_install
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__dtbs_install:
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export dtbinst_root ?= $(obj)
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include include/config/auto.conf
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include scripts/Kbuild.include
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include $(src)/Makefile
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dtbinst-files := $(sort $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS), $(dtb-)))
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dtboinst-files := $(sort $(dtbo-y) $(if $(CONFIG_OF_ALL_DTBS), $(dtb-)))
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dtbinst-dirs := $(subdir-y) $(subdir-m)
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# Helper targets for Installing DTBs into the boot directory
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quiet_cmd_dtb_install = INSTALL $<
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cmd_dtb_install = mkdir -p $(2); cp $< $(2)
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install-dir = $(patsubst $(dtbinst_root)%,$(INSTALL_DTBS_PATH)%,$(obj))
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$(dtbinst-files): %.dtb: $(obj)/%.dtb
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$(call cmd,dtb_install,$(install-dir))
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$(dtboinst-files): %.dtbo: $(obj)/%.dtbo
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$(call cmd,dtb_install,$(install-dir))
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$(dtbinst-dirs):
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$(Q)$(MAKE) $(dtbinst)=$(obj)/$@
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PHONY += $(dtbinst-files) $(dtboinst-files) $(dtbinst-dirs)
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__dtbs_install: $(dtbinst-files) $(dtboinst-files) $(dtbinst-dirs)
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.PHONY: $(PHONY)
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