[U-Boot] uboot redundancy.

[Sagar Heroorkar]

Wolfgang,

Appriciate & Thanks for your reply.

Is there any other way to make the u-boot redundant  other than what i have
sent in the email earliar.

Your reply will help me to decide in what direction i should go.

-Sagar

On Wed, Jul 21, 2010 at 2:25 PM, Wolfgang Denk <wd at denx.de> wrote:

> Dear Sagar Heroorkar,
>
> In message <AANLkTil0NvpGAegE9G05JvepTqKTPKNvARfkG-tED3SF at mail.gmail.com>
> you wrote:
> >
> > 1)G-boot picks up uboot1/uboot2 based on environment variable. Basically
> we
> > jumps to that uboot and start booting it from there.
>
> You should not do that. Environment is not reliable enough for such a
> thing.
>
> You should use a boot counter in combination with a hardware watchdog.
> After N failing attempts to boot image 1 you switch to image 2.
>
> > * As i will have 2 uboots which resides into seperate partitions. This
> > requies to build 2 uboots with different relotate_code logic/something .
>
> Actually you will have 3 of these.
>
> I told you before that I consider this approach screwed.
>
> > I would really appriciate if anyone replies (especially Wolfgang ) about
> > whether to go head with this approach before i spent much time on this.
>
> I've sent a few replies in the past; I have little or nothing new to
> add.
>
>
> Viele Grüße,
>
> 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
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> path and leave a trail.
>