Re: embedding dtb file into kernel

On Thu, Feb 12, 2015 at 9:33 PM, K Richard Pixley
<[email protected]> wrote:
> I'm having trouble figuring out how to embed a dtb file into my kernel.  I'm
> thinking that there should be a standard, architecture independent facility
> for this akin to initramfs, yes?
>
> Could someone please either point me to the standard facility, relevant doc,
> a currently building board that uses the standard facility, or outline what
> needs to be done to do this with a new board?
>
> If it matters, (I can't think why it would), I'm working with powerpc on a
> 3.10 kernel.  But if there are better facilities in other versions I'd
> appreciate hearing about that too.
>
> Thank you in advance.
>
> --rich
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Look into Documentation/powerpc/bootwrapper.txt.
It reveals that there is "wrapper" script which does the trick and
this script should be used
via Makefile. Both "wrapper" script and Makefile resides in
arch/powerpc/boot/ directory.
I think you can figure out how to use it properly from that documentation.