Re: siisata at cardbus

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sat, Dec 13, 2008 at 10:50:46PM +0900, KIYOHARA Takashi wrote:
> Hi! Manuel,
> 
> 
> From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
> Date: Sat, 13 Dec 2008 14:21:25 +0100
> 
> > On Sat, Dec 13, 2008 at 10:10:29PM +0900, KIYOHARA Takashi wrote:
> 
> > > From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
> > > Date: Fri, 12 Dec 2008 17:40:31 +0100
> > > 
> > > > On Tue, Dec 09, 2008 at 06:52:11PM +0900, KIYOHARA Takashi wrote:
> 
> > > > Also, how hard would it be to make the cardbus framework able to map
> > > > 64bits BAR ? 
> > > 
> > > hmm...
> > > I think that CardBus can treat only data and the address of 32bit maybe.
> > 
> > So how can your cardbus sii adapter work with 64bits BAR, if the underlying
> > hardware doesn't support it ?
> 
> The initial values of high of BAR0/BAR1(PCI config 0x14/0x1c) is 0.  We
> set only low of BAR0/BAR1(0x10/0x18).  Maybe it is OK.

OK, but I can't see why the hardware maker would have used 64bit BARS here
if it can't work on cardbus. So I guess it's supported by cardbus
(but I didn't check the specs), and if so it's better to add support for this
to the cardbus framework.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--