Yenta socket and mmc/sd slot

[Stephan Wienczny]

Am Mittwoch, 31. August 2005 12:05 schrieb Russell King:
> On Wed, Aug 31, 2005 at 11:52:44AM +0200, Stephan Wienczny wrote:
>
> The data sheet for the device only documents the PCMCIA functions.
>
> Devices which have MMC/SD support appear to have an additional
> "firmware" interface, which isn't documented except for the standard
> PCI registers.
>
> My guess is that the SD card interface is internal to the device,
> which means that only the firmware can directly access the SD slot.
> This means that without the firmware or the programming information
> for this interface, it's going to be very very difficult to get it
> working.
>
> However, I have no direct access to this hardware, so I'm unable to
> play with it to confirm this - eg, the firmware might be already
> loaded by the BIOS and present an obvious interface.
>
> (Even if I did have such hardware, I do not have enough spare time
> to indulge myself in such an investigation at present.)

What would you do to investigate this? I'm not (yet) familiar with the 
pcmcia-subsystem. If you told me what you would do, I could try to get the 
needed information.

Rgds Stephan

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