Subject: Re: linear and non-cacheable mapping vs bwx
To: Chris G. Demetriou <cgd@netbsd.org>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-alpha
Date: 09/03/1999 10:26:05
On 03 Sep 1999 09:34:14 -0700
cgd@netbsd.org (Chris G. Demetriou) wrote:
> Matthias Drochner <drochner@zel459.zel.kfa-juelich.de> writes:
> > cgd@netbsd.org said:
> > > Linear access should only be allowed if the region behaves like memory
> > > from the kernel's point of view.
> >
> > Well - it _is_ memory in the particular case I had
> > to deal with (the if_ti driver).
> > It is shared memory between the adapter's CPU and PCI.
FWIW, I now have some GA-620 boards, and plan on plopping them into Alphas,
some of which (8200s) do not have BWX. So, I'll be motivated to make this
work.
-- Jason R. Thorpe <thorpej@nas.nasa.gov>