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Re: Proposal: non-PC ISA bus support

To: Benjamin Herrenschmidt <bh40@calva.net>
Subject: Re: Proposal: non-PC ISA bus support
From: De Schrijver Peter <schrijvp@rc.bel.alcatel.be>
Date: Tue, 20 Jun 2000 15:25:09 +0200
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>, Linux/PPC Development <linuxppc-dev@lists.linuxppc.org>, Linux/MIPS Development <linux@cthulhu.engr.sgi.com>
In-reply-to: <20000620122329.13473@mailhost.mipsys.com>; from bh40@calva.net on Tue, Jun 20, 2000 at 02:23:29PM +0200
References: <Pine.GSO.4.10.10006201254290.8592-100000@dandelion.sonytel.be> <20000620122329.13473@mailhost.mipsys.com>
Sender: owner-linux-mips@oss.sgi.com
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Hi,

> We still can decide (and that's what I currently do in the kernel) that
> IO space is only supported on one of those 3 busses (the one on which the
> external PCI is). This prevents however use of IOs on the AGP slot, which
> is a problem for things like XFree who may try to use VGA addresses on
> the card.
> 

Is this really a problem ? I would expect AGP cards to be fully addresseable 
via 
the I/O space assigned in the PCI IO resource base ?

Peter.

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