X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=dts%2FMakefile;h=a7a604303cc63ae836b8c4c16635514c24e6c3ef;hb=2ec3d25f8faab51c2334174a582a96ad28d96344;hp=e59550c9d2e6e06a8fb9f1f729db10358480ff64;hpb=519fdde9e6a6ebce7dc743b4f5621503d25b7a45;p=oweals%2Fu-boot.git

diff --git a/dts/Makefile b/dts/Makefile
index e59550c9d2..a7a604303c 100644
--- 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.
@@ -12,17 +10,28 @@ ifeq ($(DEVICE_TREE),)
 DEVICE_TREE := unset
 endif
 
-DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb
+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)
+endif
 
-quiet_cmd_copy = COPY    $@
-      cmd_copy = cp $< $@
+$(obj)/dt-spl.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE
+	$(call if_changed,fdtgrep)
 
 $(obj)/dt.dtb: $(DTB) FORCE
-	$(call if_changed,copy)
+	$(call if_changed,shipped)
 
-targets += dt.dtb
+targets += dt.dtb dt-spl.dtb
 
-$(DTB): arch-dtbs
+$(DTB): $(dtb_depends)
+ifeq ($(EXT_DTB),)
+	$(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
+endif
 	$(Q)test -e $@ || (						\
 	echo >&2;							\
 	echo >&2 "Device Tree Source is not correctly specified.";	\
@@ -32,16 +41,21 @@ $(DTB): arch-dtbs
 	/bin/false)
 
 arch-dtbs:
-	$(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs
-
-.SECONDARY: $(obj)/dt.dtb.S
-
+	$(Q)$(MAKE) $(build)=$(ARCH_PATH) 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/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