[PATCH] arm/dt: Add a make rule to build dtb for enabled platform

[Rob Herring]

Shawn,

On 04/02/2011 05:39 AM, Shawn Guo wrote:
> It's based on commit fe8e6d0b0e601ca0a63fe768d4b812d5a45a9da7
> "arm/dt: Add dtb make rule" from Rob Herring.
>
> With 'make ARCH=arm dtb', it builds Device Tree Blobs for those
> platforms enabled by CONFIG.
>
> Signed-off-by: Shawn Guo<shawn.guo at linaro.org>
> ---
> This patch works against Linaro kernel tree.  But it needs to go
> through mainline review before it gets applied.
>
>   arch/arm/Makefile      |    3 +++
>   arch/arm/boot/Makefile |   14 ++++++++++++++
>   2 files changed, 17 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index d51ab6c..7fd2af9 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -292,6 +292,9 @@ zinstall uinstall install: vmlinux
>   %.dtb:
>   	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
>
> +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 08fc37f..dcea984 100644
> --- a/arch/arm/boot/Makefile
> +++ b/arch/arm/boot/Makefile
> @@ -63,6 +63,20 @@ endif
>   $(obj)/%.dtb: $(src)/dts/%.dts
>   	$(call cmd,dtc)
>
> +dtb-$(CONFIG_MACH_HARMONY) += tegra-harmony.dtb
> +dtb-$(CONFIG_MACH_MX51_BABBAGE) += mx51-babbage.dtb
> +dtb-$(CONFIG_MACH_MX51_EFIKAMX) += genesi-efikamx.dtb
> +dtb-$(CONFIG_MACH_MX51_EFIKASB) += genesi-efikasb.dtb
> +dtb-$(CONFIG_MACH_MX53_LOCO) += mx53-loco.dtb
> +dtb-$(CONFIG_MACH_OMAP3_BEAGLE) += omap3-beagle.dtb
> +dtb-$(CONFIG_MACH_OMAP4_PANDA) += omap4-panda.dtb
> +dtb-$(CONFIG_MACH_OVERO) += omap3-overo.dtb
> +dtb-$(CONFIG_MACH_SMDKV310) += exynos4-smdkv310.dtb
> +dtb-$(CONFIG_ARCH_VERSATILE_PB) += versatile-pb.dtb
> +dtb-$(CONFIG_MACH_VERSATILE_AB) += versatile-ab.dtb

And now this file has to be touched for every platform added. Perhaps 
this can pick-up the dts name from Makefile.boot. Although Makefile.boot 
could possibly be removed on some platforms.

Rob