[U-Boot] [PATCH] MCI support for AT91 family processors.

Sami Kantoluoto sami.kantoluoto at embedtronics.fi
Tue Sep 1 15:59:51 CEST 2009


On Mon, Aug 31, 2009 at 01:39:26PM +0200, Albin Tonnerre wrote:
> On Mon, Aug 31, 2009 at 02:22:47PM +0300, Sami Kantoluoto wrote :
> > On Sun, Aug 30, 2009 at 01:08:27AM +0200, Albin Tonnerre wrote:
> > > On Sat, Aug 29, 2009 at 08:18:32PM +0300, Sami Kantoluoto wrote :
> > > > Fixed to parse CSD correctly on little endian processors as gcc orders
> > > > bitfields differently between big and little endian ones.
> > > 
> > > Please also see this patch, which will fix those bugs as weel, while switching
> > > to the new GENRIC_MMC API:
> > > http://lists.denx.de/pipermail/u-boot/2009-August/059456.html
> > > I'd highly appreciate if you could test it, to get some feedback
> > 
> > Thanks, I'll test when I get some time later this week but I think (by 
> > reading the patch so I probably missed something) it won't solve the CSD
> > problem. The real reason of the "CSD problem" of course is that how the
> > mmc_csd structure is defined (host byte order not taken in account or
> > at least how gcc handles bitfields).
> > 
> 
> drivers/mmc/mmc.c does not actually use the bitfield to parse the csd struct,
> and got fixed a while back to work no matter what endianness you're using, so it
> should solve it anyway.

I just tested the patch (+ your at91_mci patch + my new patches) and this
seems to work just find.

Thanks!


Best Regards,

    -sk


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