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authorRob Herring <rob.herring@calxeda.com>2011-07-25 09:52:12 -0600
committerGrant Likely <grant.likely@secretlab.ca>2011-07-25 09:52:12 -0600
commit5fd1a2ed0ec6fb5449c71a988cc15edb8671b3d0 (patch)
tree82d49394874271f1dcaa7c38775c1dab0b71d87f
parent2b4180af3faaf6088162d8a6b8d3f571bd7c2004 (diff)
arm/dt: Add dtb make rule
Add a make rule to compile dt blobs for ARM. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Shawn Guo <shawn.guo@freescale.com> Tested-by: Jason Liu <jason.hui@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
-rw-r--r--arch/arm/Makefile7
-rw-r--r--arch/arm/boot/Makefile6
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f5b2b390c8f2..f7135595eb70 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -281,6 +281,12 @@ zImage Image xipImage bootpImage uImage: vmlinux
zinstall uinstall install: vmlinux
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
+%.dtb:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
+dtbs:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
@@ -297,6 +303,7 @@ define archhelp
echo ' uImage - U-Boot wrapped zImage'
echo ' bootpImage - Combined zImage and initial RAM disk'
echo ' (supply initrd image via make variable INITRD=<path>)'
+ echo ' dtbs - Build device tree blobs for enabled boards'
echo ' install - Install uncompressed kernel'
echo ' zinstall - Install compressed kernel'
echo ' uinstall - Install U-Boot wrapped compressed kernel'
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 9128fddf1109..a1edfd5a129a 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -59,6 +59,12 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
endif
+# Rule to build device tree blobs
+$(obj)/%.dtb: $(src)/dts/%.dts
+ $(call cmd,dtc)
+
+$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
+
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
-C none -a $(LOADADDR) -e $(STARTADDR) \