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

Grant Likely grant.likely at secretlab.ca
Sun Aug 3 21:06:21 CEST 2008


On Sun, Aug 3, 2008 at 11:49 AM, Timur Tabi <timur at freescale.com> wrote:
> On Sun, Aug 3, 2008 at 10:47 AM, Wolfgang Denk <wd at 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.




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