building RaspPi Images

[Warner Losh]

On Feb 10, 2013, at 11:11 PM, Tim Kientzle wrote:

>> 
>>>> The stand alone interface should, in theory, provide us with the DTB, but the code that is in ubldr doesn't seem to be reliably getitng this image.
>>> 
>>> I don't think anyone has spent time on this.  We've
>>> just been focused on "making it work" and the compiled-in
>>> DTB does work for any single board.
>> 
>> Ah, that makes sense. I just know the theory, not the practice.  I haven't had time for armv6 stuff…
> 
> I started taking a look at this tonight.  It appears
> we can get the FDT through the U-Boot API.

Cool!

> In particular, U-Boot exposes an environment
> variable "fdtaddr" with the address of the FDT
> blob in memory.  The attached (entirely untested)
> patch might do the trick.

That's really cool!  It looks good to me, but I don't know how well the docs match the code :)

> Hopefully I'll have time this week to rebuild all
> the boot bits and test this.
> 
> Cheers,
> 
> Tim
> 
> <t.diff>
>