Date: Sat, 10 Jul 1999 13:00:18 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com> To: "Brian F. Feldman" <green@freebsd.org> Cc: Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com>, current@freebsd.org Subject: Re: MTRR stuff Message-ID: <199907100500.NAA05937@ariadne.tensor.pgs.com> In-Reply-To: Your message of "Fri, 09 Jul 1999 13:19:15 -0400." <Pine.BSF.4.10.9907091318260.75556-100000@janus.syracuse.net>
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> What exactly are the ranges? You haven't given me enough info yet. I wrote the
> K6-* MTRR driver, so I'd like to help.
>
OK, the Linux 3dfx driver attempts to set up a write combining range starting
at the card's base address and 0x400000 bytes long. After doing this it then
sets up a range marked as uncacheable starting at the card's base address of
length 0x1000.
Stephen
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