Re: [iPAQ] MMC driver development f. H3900 iPAQ difficult because of ASIC?

On Fri, 2003-12-05 at 09:10, Alexander Balka wrote:
> Hello,
>
> I am trying to develop a MMC driver for the H3950 iPAQ. With my test driver
> I can
> communicate with the MMC controller but don't get a response by the FIFO
> queue.
>
> I was told that there is a H3900 specific ASIC which is handling the
> communication with
> the MMC instead of the built-in MMC controller. The controller were more or
> less deactivated
> (this would explain the trouble I have).
> In addition, there were no specification for this ASIC available at the
> moment.
>
> Can anyone confirm that?

Yes, that is true. None of the iPAQs use the PXA's built-in MMC
controller. Also, the spec for the ASIC containing the MMC controller
on the H39xx and H191x is unavailable.
Received on Fri Dec 05 14:20:38 2003