Re: embedding dtb file into kernel

[K Richard Pixley <rpixley@graphitesystems.com>]

On 2/12/15 14:01 , Tim Bird wrote:
> On 02/12/2015 11:33 AM, K Richard Pixley 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.
> The normal method is just to cat the two files together, like so:
>   $ cat zImage <filename>.dtb > zImage_w_dtb
>
> See https://community.freescale.com/thread/315543 for one example, on ARM.
> I'm not sure what the status is for appended DTBs on powerpc, but it's
> easy enough you can just try it and see what happens.
>   -- Tim

Thanks!

How do I tell the kernel where to find that dtb?  Is there a relevant 
config option?

--rich