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dts, kbuild: Implement support for dtb vendor subdirs

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This patch adds support of vendor sub directories for dtb files.
Subdirectories can be specified in $(dts-dirs). Kbuild traverses over
all directories while building and installing dtb files. The directory
tree is also reflected in the install path.

Tested-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
This commit is contained in:
Robert Richter 2014-09-03 16:17:02 +02:00
parent d38726c485
commit 323a028d39
2 changed files with 19 additions and 5 deletions
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1
arch/arm64/boot/dts/Makefile
View file

@ -3,4 +3,5 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb foundation-v8.dtb
dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)
clean-files := *.dtb

23
scripts/Makefile.dtbinst
View file

@ -6,6 +6,7 @@
#
# $INSTALL_PATH/dtbs/$KERNELRELEASE
#
# Traverse through subdirectories listed in $(dts-dirs).
# ==========================================================================
src := $(obj)
@ -13,26 +14,38 @@ src := $(obj)
PHONY := __dtbs_install
__dtbs_install:
export dtbinst-root ?= $(obj)
include include/config/auto.conf
include scripts/Kbuild.include
include $(srctree)/$(obj)/Makefile
PHONY += __dtbs_install_prep
__dtbs_install_prep:
ifeq ("$(dtbinst-root)", "$(obj)")
$(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi
$(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi
$(Q)mkdir -p $(INSTALL_DTBS_PATH)
endif
dtbinst-files := $(dtb-y)
dtbinst-dirs := $(dts-dirs)
# Helper targets for Installing DTBs into the boot directory
quiet_cmd_dtb_install = INSTALL $<
cmd_dtb_install = cp $< $(2)
cmd_dtb_install = mkdir -p $(2); cp $< $(2)
$(dtbinst-files): %.dtb: $(obj)/%.dtb | __dtbs_install_prep
$(call cmd,dtb_install,$(INSTALL_DTBS_PATH))
install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj))
PHONY += $(dtbinst-files)
__dtbs_install: $(dtbinst-files)
$(dtbinst-files) $(dtbinst-dirs): | __dtbs_install_prep
$(dtbinst-files): %.dtb: $(obj)/%.dtb
$(call cmd,dtb_install,$(install-dir))
$(dtbinst-dirs):
$(Q)$(MAKE) $(dtbinst)=$(obj)/$@
PHONY += $(dtbinst-files) $(dtbinst-dirs)
__dtbs_install: $(dtbinst-files) $(dtbinst-dirs)
.PHONY: $(PHONY)