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Commit 47c6fb9e authored by Shashank Mittal's avatar Shashank Mittal
Browse files

scripts: Makefile: add support to use external DTC 



Add support to use external DTC to compile device tree blobs.

Change-Id: I268d2332d5328c3b0050b35c96f91e8ef9e1f6f8
Signed-off-by: default avatarShashank Mittal <mittals@codeaurora.org>
parent 18a3ceeb

scripts/Makefile.lib

+7 −1
Original line number Diff line number Diff line
@@ -287,10 +287,16 @@ cmd_dt_S_dtb= \ 
$(obj)/%.dtb.S: $(obj)/%.dtb

	$(call cmd,dt_S_dtb)



ifneq ($(DTC_EXT),)

DTC = $(DTC_EXT)

else

DTC = $(objtree)/scripts/dtc/dtc

endif



quiet_cmd_dtc = DTC     $@

cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \

	$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \

	$(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \

	$(DTC) -O dtb -o $@ -b 0 \

		-i $(dir $<) $(DTC_FLAGS) \

		-d $(depfile).dtc.tmp $(dtc-tmp) ; \

	cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)

scripts/dtc/Makefile

+2 −0
Original line number Diff line number Diff line 
# scripts/dtc makefile



hostprogs-y	:= dtc

ifeq ($(DTC_EXT),)

always		:= $(hostprogs-y)

endif



dtc-objs	:= dtc.o flattree.o fstree.o data.o livetree.o treesource.o \

		   srcpos.o checks.o util.o