Subject: Re: 3.3V support in pcmcia pcic code
To: Perry E. Metzger <perry@wasabisystems.com>
From: Warner Losh <imp@harmony.village.org>
List: tech-kern
Date: 11/07/2001 15:36:23
In message <878zdip8j4.fsf@snark.piermont.com> "Perry E. Metzger" writes:
: 
: Takahiro Kambe <taca@sky.yamashina.kyoto.jp> writes:
: > In message <200111060738.fA67cY721682@harmony.village.org>
: > 	on Tue, 06 Nov 2001 00:38:34 -0700,
: > 	Warner Losh <imp@harmony.village.org> wrote:
: > Hi, Warner,
: > 
: > > Maybe I'm being blind, but I don't see any support for 3.3V cards in
: > > the NetBSD pcmcia stack nor in the pcic driver.
: > AFAIK, sadlly you are correct.
: 
: What are the implications of all of this? Is this a serious problem
: with the world moving to CardBus?

It means that we can't use 3.3V 16-bit cards unless the bridge does
the right voltage frobbing automatically despite what we tell it.

The 32-bit cards are all 3.3V right now, and are handled automatically
in the cardbus bridges.

Warner