[U-Boot] Backup Booting

[Pawel Pastuszak]

Where do i find the manual?

On Tue, Jan 27, 2009 at 10:41 AM, Wolfgang Denk <wd at denx.de> wrote:

> Dear Pawel Pastuszak,
>
> In message <8ff29df80901270734h2791b9f3qf72b99830860cf4d at mail.gmail.com>
> you wrote:
> >
> > I was wondering if there is any think like backup booting and secondary
> > image for example lets say i am booting an image and it fails CRC check
> > etc... i want to to validate that the backup image is good and then
> > overwrite the current image with the backup image  and be able to boot of
> > the backup image.
>
> Yes, there is such a thing, and you would know it if you had read the
> manual.
>
> >  Second option of failure is image start booting and it fails in middle
> of
> > booting maybe watchdog kicks in and reset the board. Is there a way to
> tell
> > image fail booting and uses back instead.
>
> Yes, there is such a thing, and you would know it if you had read the
> manual.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> "Nobody will ever need more than 640k RAM!"       -- Bill Gates, 1981
> "Windows 95 needs at least 8 MB RAM."             -- Bill Gates, 1996
> "Nobody will ever need Windows 95."             -- logical conclusion
>