Re: embedding dtb file into kernel
K Richard Pixley <[email protected]>
| Newsgroups | org.kernel.vger.linux-embedded |
|---|---|
| Message-ID | <[email protected]> |
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