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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