From: Rob Herring rob.herring@calxeda.com

Add a make rule to compile dt blobs for ARM.

Signed-off-by: Rob Herring rob.herring@calxeda.com --- arch/arm/Makefile | 3 +++ arch/arm/boot/Makefile | 6 ++++++ 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile index b49dea6..566763f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -284,6 +284,9 @@ zImage Image xipImage bootpImage uImage: vmlinux zinstall install: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@

+%.dtb: + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index dcf323d..bb63922 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -13,6 +13,8 @@

MKIMAGE := $(srctree)/scripts/mkuboot.sh

+DTC_FLAGS := -p 1024 + ifneq ($(MACHINE),) include $(srctree)/$(MACHINE)/Makefile.boot endif @@ -59,6 +61,10 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE

endif

+# Rule to build device tree blobs +$(obj)/%.dtb: $(src)/dts/%.dts + $(call cmd,dtc) + quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(LOADADDR) -e $(STARTADDR) \