[U-Boot] Upgrading U-Boot stops Linux booting.

[Simon Glass]

Hi Ben,

On 30 April 2015 at 00:27, Ben Hewson <ben at frazer-nash.com> wrote:
> Hi Simon,
>
> Thanks for the suggestion.
> I actually sorted it out late yesterday. A stupid error I suppose, but one
> that I completely over looked.
>
> I turned on CONFIG_DEBUG_LL in the kernel, tried again and it complained about
> the machine id not matching.
>
> I just needed to change CONFIG_MACH_TYPE to the correct number in U-Boot.
>
> I didn't realise until after some googling that this was done. I just assumed
> U-Boot did a jump to the kernel start and that was it. Still live and learn !
>
> The only issue I have now, is that if I enable CONFIG_ENV_IS_IN_FAT U-Boot
> tries to load the environment before the SATA is initialised and fails.
> If I do  sata init at the U-Boot prompt, I can save the environment, but that
> is not much use if it isnt loaded at boot.
>
> I can probably live without being able to save the environment, but would be
> nice to have the option. I did notice after having a quick look through the
> code that there appears to be a late load option for the environment. Can't
> remember exactly what it was.

OK, I'm not sure about environment on SATA. It looks like initr_env()
is called before initr_pci() and initr_scsi() so you might be out of
luck for now.

Regards,
Simon

[snip]