[U-Boot-Users] MPC83xx SPI driver

Ben Warren bwarren at qstreams.com
Thu Dec 7 23:43:23 CET 2006

On Thu, 2006-12-07 at 23:31 +0100, Joakim Tjernlund wrote:

> > Doubtful, since the 834x and 8313 don't have QUICC engines.  While the
> > control registers appear to be common among all 83xx chips, on these
> > ones transmit and receive are handled by dedicated 32-bit registers
> > rather than the RAM-based descriptor types found in CPMs.
> Ahh, that's probably why the 83xx spi driver in linux won't work
> on 8321 either. Could you comment on that?

Yes, that's correct.  I don't know for sure, but it looks to me that the
SPI engine on the 8321/8360 chips has more in common with the
traditional PowerQUICC chips like 8xx and 82xx.  Maybe there's a Linux
driver for them that you could tweak?


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