Hello,
>>> Now, how do I compile sdcard.o for my kernel, or better
>>> make it compiled into the kernel, not as a module.
>> The SD card driver is only available as a binary module. The reason
>> being is Technologic Systems had to sign an NDA to join the SD
>> association which gave them access to the SD card specs. Part of the NDA
>> stated no source code can be shared that is used to access the SD card.
>> Due to these constraints Technologic Systems can only provide binary
>> drivers for the SD card.
>
> Perhaps you can answer or comment on the following ... :)
>
> I believe the reason TS signed on for the SD card spec, was so
> that it could access the faster parallel interface to the SD card.
Correct.
> However, there is also support for SPI-like serial mode for
> these cards.
>
> The following link was posted in the LPC microcontroller group
> a few days ago:
>
> Check out the SD simplified specification, directly from sdcard.org
> http://www.sdcard.org/about/memory_card/pls/
>
> I haven't looked at the spec or cards in detail.
>
> However, it would seem likely that someone could generate
> an open-source SD-card interface for the TS boards. The
> caveat of course would be that the interface was slower.
> But perhaps this would not be an issue for some people.
>
> Just wondering if anyone has played with this alternative
> interface.
I'm not aware of anyone writing a core for this, although it would be
possible.
--
Best Regards,
________________________________________________________________
Eddie Dawydiuk, Technologic Systems | voice: (480) 837-5200
16610 East Laser Drive Suite 10 | fax: (480) 837-5300
Fountain Hills, AZ 85268 | web: www.embeddedARM.com
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