[flashrom] [PATCH 3/4] sbxxx: Add support for new AMD SPI controller.

Stefan Tauner stefan.tauner at student.tuwien.ac.at
Fri Aug 9 08:41:28 CEST 2013


On Thu, 8 Aug 2013 17:15:01 -0700
Wei Hu <wei at aristanetworks.com> wrote:

> Thanks for your great work. I just tested it on AMD Olive Hill, and
> found a few issues.
> 
> 1. Your patch defaults SPI clock to 16.5 MHz, which didn't work. I
> also found none of 22, 33, 100 MHz worked. Only passing -p
> internal:spispeed="66 MHz" worked.

Please be more specific and/or attach logs. Did the parsing of the
value not work or did the actual register changes not work?
 
> 2. Reading is much faster than my/Carl's patch, but some bits were
> incorrect. The speedup must have come from your use of the now longer
> FIFO, but why is it reading bad values?

Yes, the speedup is from the new FIFO, and I think your problems stems
from the 66 MHz.

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner




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