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SubjectRe: reserve legacy io regions on powermac
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

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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