dual head r128

[Geert Uytterhoeven]

On Tue, 17 Oct 2000, Benjamin Herrenschmidt wrote:
> >Could someone fill me in on why we need legacy I/O to the AGP bus?
>
> Some display cards (like voodoo) AFAIK, need us to tweak with the VGA IO
> registers. The interest in having something like ioportremap or similar
> is that we can have the platform specific code return a different base
> for VGA than other legacy devices, thus allowing us to have, for example,
> such a VGA card in the AGP slot and a legacy serial card in the PCI slots.
                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Do these exist? I'm aware of legacy serial cards for ISA slots only.
AFAIK all PCI serial cards use PCI configuration and are handled separately by
serial.c.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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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