[U-Boot-Users] using a flat device tree to drive u-boot config

Grant Likely
2008-08-03T19:06:21Z

On Sun, Aug 3, 2008 at 11:49 AM, Timur Tabi <timur@freescale.com> wrote:
> On Sun, Aug 3, 2008 at 10:47 AM, Wolfgang Denk <wd@denx.de> wrote:
>
>> If the DTB can be at any
>> flash location, you can for example have a fall-back version which is
>> used to bring up U-Boot in a minimal configuration for recovery mode
>> if the new DTB fails to work.
>
> I think that a "recovery DTB" would have to be part of U-Boot itself
> to be effective. If the normal DTB is not available, then it's likely
> the backup one would also be unavailable.

Better to just not depend on the DTB at all for basic operation. ie.
don't brick the board if the DTB is unavailable.

g.

--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.