On Sun, 2003-02-16 at 19:42, paubert wrote: > > Well... There might be a bigger problem if the kernel reports 53Mhz > > on boot (that means upon frequency switch, the kernel internal timing > > delays may be incorrectly adjusted). > > I'm still wondering why the timebase is not used to perform these > delays. I know that the 601 will add a slightc omplication, but > at least I don't know of any system in which the bus frequency, > and therefore the timebase frequency, varies.
I'm wondering the same thing actually ;) At least for 6xx/7xx/7xxx since other CPUs types have different timebase facilities (if any). Probably just nobody bothered doing it yet. Ben.
