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-rw-r--r--kernel/scripts/Makefile.dtbinst51
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/scripts/Makefile.dtbinst b/kernel/scripts/Makefile.dtbinst
new file mode 100644
index 000000000..1c15717e0
--- /dev/null
+++ b/kernel/scripts/Makefile.dtbinst
@@ -0,0 +1,51 @@
+# ==========================================================================
+# Installing dtb files
+#
+# Installs all dtb files listed in $(dtb-y) either in the
+# INSTALL_DTBS_PATH directory or the default location:
+#
+# $INSTALL_PATH/dtbs/$KERNELRELEASE
+#
+# Traverse through subdirectories listed in $(dts-dirs).
+# ==========================================================================
+
+src := $(obj)
+
+PHONY := __dtbs_install
+__dtbs_install:
+
+export dtbinst-root ?= $(obj)
+
+include include/config/auto.conf
+include scripts/Kbuild.include
+include $(src)/Makefile
+
+PHONY += __dtbs_install_prep
+__dtbs_install_prep:
+ifeq ("$(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 = mkdir -p $(2); cp $< $(2)
+
+install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj))
+
+$(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)