On Tue, Feb 19, 2013 at 3:22 PM, Chaves, Kevin
<kevin.cha...@thermofisher.com> wrote:
> It's not so much a faster boot I'm looking for but just relying less on uboot 
> to initialize the device. The initial idea by my superiors is make an 
> infallible way to update uboot, since they think they'll screw it up and have 
> to support a field update. So we wanted to make two images with 
> uboot/kernel/rfs, one for recovery and have a way to switch the settings on 
> startup. That way we have a small first stage boot that won't ever need to be 
> updated so long as it can boot from two different partitions.
>
> I realized it probably wasn't that useful to keep uboot around since the 
> spl+falcon will increase the boot time. Figured I could kill two birds with 
> one stone here. Faster boot, and no need to update the bootloader in the 
> field, or at least minimize how much could change in its start up procedure 
> so there is less to "fix" in the future.

If you just want the fallback and upgrade mode, you can get it with
current u-boot + whatdog + bootcount and fw_env in target (or kexec).

Regards,

-- 
Otavio Salvador                             O.S. Systems
E-mail: ota...@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br
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