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-rw-r--r--scripts/Kbuild.include6
-rw-r--r--scripts/Makefile.dtbinst51
-rw-r--r--scripts/Makefile.lib12
3 files changed, 57 insertions, 12 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 65e7b08bb2cc..5374b1bdf02f 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -179,6 +179,12 @@ build := -f $(srctree)/scripts/Makefile.build obj
# $(Q)$(MAKE) $(modbuiltin)=dir
modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
+###
+# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
+# Usage:
+# $(Q)$(MAKE) $(dtbinst)=dir
+dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj
+
# Prefix -I with $(srctree) if it is not an absolute path.
# skip if -I has no parameter
addtree = $(if $(patsubst -I%,%,$(1)), \
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
new file mode 100644
index 000000000000..909ed7a2ac61
--- /dev/null
+++ b/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 $(srctree)/$(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 = 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)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 54be19a0fa51..511755200634 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -283,18 +283,6 @@ $(obj)/%.dtb: $(src)/%.dts FORCE
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
-# Helper targets for Installing DTBs into the boot directory
-quiet_cmd_dtb_install = INSTALL $<
- cmd_dtb_install = cp $< $(2)
-
-_dtbinst_pre_:
- $(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)
-
-%.dtb_dtbinst_: $(obj)/%.dtb _dtbinst_pre_
- $(call cmd,dtb_install,$(INSTALL_DTBS_PATH))
-
# Bzip2
# ---------------------------------------------------------------------------