diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2008-03-25 09:52:46 +1100 |
|---|---|---|
| committer | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2008-04-02 20:29:11 -0500 |
| commit | e04018e8e49c8c78cebd627ea9b5d02b807662ad (patch) | |
| tree | 294182f218ef80c9a94d3f7beecd6a41afd97f59 | |
| parent | 1e5ef43e8c206128560eb6c32a19a7951033a3c3 (diff) | |
[POWERPC] add target for building .dtb files
Call dtc from the Makefile instead of the wrapper script so that the dt
blobs can be generated with a simple make invocation.
Using this patch allows board ports to trigger automatic building of .dtb
files by adding them to the image-y target list.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
| -rw-r--r-- | arch/powerpc/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/boot/Makefile | 26 |
2 files changed, 16 insertions, 12 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index ab5cfe8ef988..dd8082522da3 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -164,7 +164,7 @@ boot := arch/$(ARCH)/boot $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) -bootwrapper_install: +bootwrapper_install %.dtb: $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) define archhelp diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 73f3fd8ba21e..a31d4e12b910 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -287,11 +287,11 @@ $(obj)/zImage.%: vmlinux $(wrapperbits) $(call if_changed,wrap,$*) # dtbImage% - a dtbImage is a zImage with an embedded device tree blob -$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(dtstree)/%.dts - $(call if_changed,wrap,$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) +$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/%.dtb + $(call if_changed,wrap,$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(dtstree)/%.dts - $(call if_changed,wrap,$*,$(dtstree)/$*.dts) +$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb + $(call if_changed,wrap,$*,,$(obj)/$*.dtb) # This cannot be in the root of $(src) as the zImage rule always adds a $(obj) # prefix @@ -304,14 +304,18 @@ $(obj)/zImage.iseries: vmlinux $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -$(obj)/cuImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,cuboot-$*,$(dtstree)/$*.dts) +$(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb) -$(obj)/treeImage.initrd.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) +$(obj)/treeImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/treeImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts) +$(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb) + +# Rule to build device tree blobs +$(obj)/%.dtb: $(dtstree)/%.dts $(obj)/dtc + $(obj)/dtc -O dtb -o $(obj)/$*.dtb -b 0 $(DTS_FLAGS) $(dtstree)/$*.dts # If there isn't a platform selected then just strip the vmlinux. ifeq (,$(image-y)) @@ -328,7 +332,7 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) # anything not in $(targets) clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \ - otheros.bld + otheros.bld *.dtb # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin |