2011/6/28 Mark Marshall <[email protected]>: > On 28/06/2011 13:45, Martin Kielhorn wrote: >> >> 2011/6/28 Timothy Normand Miller<[email protected]>: >>> >>> The reference might be wrong. We've had two different ones. > > I think Tim's correct. The board has two xtal's on it, one connected to the > XP10 and the other to the S3. The S3 clock is the 133 MHz, this has never > really changed (as far as I know). The XP10 clock has been either 125MHz or > 156.25 MHz (5/4 * 125). (the XP10 clock gets fed into the S3, and it's the > S3 that generates the video timing). > > I'd check very carefully (with a magnifying lens) what sort of xtal's are on > your board. I'd then check to see what are the numbers that the build > scripts think you have for these xtals. If you look in > rtl/include/registers.txt you will find three places where there are > different numbers for production and pre-production boards. >
I'll look at the hardware the next time I open the system. For now I solved the problem by supplying different clock divider settings. ([sel=1 pre=28 post=1] instead of [sel=1 pre=35 post=1]) Regards, Martin _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
