Messages in this thread | | | Date | Wed, 21 Jul 2004 17:48:54 +0200 (MEST) | From | Geert Uytterhoeven <> | Subject | Re: reserve legacy io regions on powermac |
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On Wed, 21 Jul 2004, Olaf Hering wrote: > On Wed, Jul 21, Benjamin Herrenschmidt wrote: > > On Wed, 2004-07-21 at 05:12, Olaf Hering wrote: > > > I think the simplest fix for 2.6 is a request_region of the problematic > > > areas. > > > > Note that this is still all workarounds... Nothing prevents you (and some > > people actually do that) to put a PCI card with legacy serial ports on it > > inside a pmac.... > > Sure, but will that use the same io ports? I dont have one to verify it.
If it's a `clean' PCI card, it will use the PCI BARs, and there's no problem.
> How does it look on a pccard modem?
PCMCIA is hidden ISA. You can e.g. put the PCMCIA CD-ROM drive that came with my Vaio (it behaves like a legacy second IDE card) in a Mac laptop.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
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