[U-Boot] qemu-x86 issues

[Pavel Machek]

Hi!

> > Bah, lemme correct myself.  MIPS* and PowerPC fail due to sleep taking
> > slightly too long.  x86 is the only one where it's just way too fast.
> > But this is not true once Linux itself is up.
> >
> 
> U-Boot uses x86 TSC timer as the delay timer. Right now the timer
> frequency is hard-coded in device tree. Auto-calibration does not work
> on QEMU. I need have another check to see if we can do
> auto-calibration.

TSC is not really suitable for delays on x86. (Actually, TSC is pretty
much not suitable for anything :-) ). PIT should be easy to use and
work everywhere...

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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