tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: 1024bytes/sect microSD support



Hi! Paul,


From: Paul Fleischer <paul%xpg.dk@localhost>
Date: Fri, 27 Nov 2009 10:50:49 +0100

> As far as I can read from the SD Simplified Physical Layer
> Specification[1] page 19, the 2Gb cards are bit of an exception as
> their CSD announces a block size of 1024, but the actual block size to
> use is 512kb.
> 
> I have patched dev/sdmmc/sdmmc_mem.c to follow this exception. I bet
> the patch can be made more pretty, but it seems to work.

Your patch works to my microSD on GUMSTIX.
A lot of people will think this patch to be necessary.

Thanks,
--
kiyohara


Home | Main Index | Thread Index | Old Index