dts: add property removal option CONFIG_OF_REMOVE_PROPS

[oweals/u-boot.git] / dts / Makefile

diff --git a/dts/Makefile b/dts/Makefile
index 3a93dafb5164ed6e8e4318071cd6612350b09b27..a20930eb9a5e656bbdedf924e4f754c7da7552e4 100644 (file)
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (c) 2011 The Chromium OS Authors.
-#
-# SPDX-License-Identifier:     GPL-2.0+
-#
 
 # This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
 # enabled. See doc/README.fdt-control for more details.
@@ -12,25 +10,26 @@ ifeq ($(DEVICE_TREE),)
 DEVICE_TREE := unset
 endif
 
-ARCH_PATH := arch/$(ARCH)/dts
-dtb_depends := arch-dtbs
-
 ifneq ($(EXT_DTB),)
 DTB := $(EXT_DTB)
 else
-DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb
-dtb_depends += $(DTB:.dtb=.dts)
+DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb
 endif
 
+$(obj)/dt-spl.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE
+       $(call if_changed,fdtgrep)
+
+ifeq ($(CONFIG_OF_DTB_PROPS_REMOVE),y)
+$(obj)/dt.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE
+       $(call if_changed,fdt_rm_props)
+else
 $(obj)/dt.dtb: $(DTB) FORCE
        $(call if_changed,shipped)
+endif
 
-targets += dt.dtb
+targets += dt.dtb dt-spl.dtb
 
-$(DTB): $(dtb_depends)
-ifeq ($(EXT_DTB),)
-       $(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
-endif
+$(DTB): arch-dtbs
        $(Q)test -e $@ || (                                             \
        echo >&2;                                                       \
        echo >&2 "Device Tree Source is not correctly specified.";      \
@@ -39,17 +38,23 @@ endif
        echo >&2;                                                       \
        /bin/false)
 
+PHONY += arch-dtbs
 arch-dtbs:
-       $(Q)$(MAKE) $(build)=$(ARCH_PATH) dtbs
-
-.SECONDARY: $(obj)/dt.dtb.S
+       $(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs
 
+ifeq ($(CONFIG_SPL_BUILD),y)
+obj-$(CONFIG_OF_EMBED) := dt-spl.dtb.o
+# support "out-of-tree" build for dtb-spl
+$(obj)/dt-spl.dtb.o: $(obj)/dt-spl.dtb.S FORCE
+       $(call if_changed_dep,as_o_S)
+else
 obj-$(CONFIG_OF_EMBED) := dt.dtb.o
+endif
 
-dtbs: $(obj)/dt.dtb
+dtbs: $(obj)/dt.dtb $(obj)/dt-spl.dtb
        @:
 
-clean-files := dt.dtb.S
+clean-files := dt.dtb.S dt-spl.dtb.S
 
 # Let clean descend into dts directories
-subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts
+subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts ../arch/powerpc/dts ../arch/riscv/dts