[U-Boot] eMMC Partitons handling

[Lei Wen]

Hi Ulrich,

On Fri, Oct 21, 2011 at 5:53 AM, Ulrich Prinz
<ulrich.prinz at googlemail.com> wrote:
> Hi all!
>
> Is there any support for (e)MMC PARTITION handling in U-Boot anywhere?
> I have an eMMC supporting Version 4.41 of JEDEC MMC specification and
> I'd like to have PARTITION support to protect some of the MMCs areas
> against access from other areas. It interconnects with Reliable Write
> and Write Reliability, also from Version 4.x of the JEDEC spec.
>
> I hope U-Boot already supports this by some console commands?
>

The partition support is added already, you may use the m2011.09 release.
And the command is like "mmc dev <dev num> <partition num>".

E.X: if you want to switch to the partition 1 of the first device. You
could use as:
mmc dev 0 1

Best regards,
Lei