Re: [9fans] sheevaplug SD card driver

[Skip Tavakkolian <skip.tavakkolian@gmail.com>]

Thanks!!!  I plan to try it out on sheeva and guru later today.

On Thu, Oct 18, 2012 at 5:42 AM, Richard Miller <9fans@hamnavoe.com> wrote:
> As a side effect of the raspberry pi work, I've produced an SD card
> driver for the sheevaplug (and presumably other kirkwood platforms).
> It's in two sections: the top layer does the card protocol and is
> identical between rpi and kw (could go into /sys/src/9/port?), while
> the lower layer does the host sdio interface.  The two layers link via
> the usual table of functions, so if we encounter a platform with more
> than one sd host interface [anybody seen one?] it won't be hard to
> cope with.
>
> Would anyone with a sheevaplug or similar, and a collection of SD
> cards, like to try it out before I submit a patch?  Source is in
> /n/sources/contrib/miller/9/kw, and if you haven't pulled kernel
> sources recently you'll need to update /sys/src/9/port/sd.h as well.
> The drive appears as '#S/sdM0', and a FAT-formatted SD card can be
> mounted simply by doing "diskparts; dosmnt 1 /n/sd".  You can of
> course hot-swap cards without rebooting, but don't forget to unmount
> first.
>
> Although the driver is called sdmmc.c, it handles only SD cards and
> not the older MMC standard.  I think it's only a matter of slightly
> different initialisation, but I haven't got an actual MMC card to
> test it with.  If anyone cares enough to send me one, I'll see if
> I can make that work too.
>
>