[U-Boot] mx28: Saving env vars on MMC

[Fabio Estevam]

On Fri, Nov 25, 2011 at 6:13 AM, Marek Vasut <marek.vasut at gmail.com> wrote:

> You have to be careful on the imx28 about the following:
>
> 1) sector 0 / first 512 bytes : That's where MBR is
> 2) sector 2048 + ... : That's where U-Boot is located
>
> But it's strange, there's about 1MB of space between MBR and U-Boot ... can you
> actually check the first 2MB of the card and run binary diff on the good and bad
> card ? That way you'll see what changed.

What I see is that when I do a 'save' the env variables are written to
0 and this causes the boot to fail.

Has the mxsmmc driver been tested?

Regards,

Fabio Estevam