From owner-freebsd-current Thu Oct 5 8: 7:46 2000 Delivered-To: freebsd-current@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id CD7F837B502 for ; Thu, 5 Oct 2000 08:07:44 -0700 (PDT) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id LAA64837; Thu, 5 Oct 2000 11:07:29 -0400 (EDT) (envelope-from wollman) Date: Thu, 5 Oct 2000 11:07:29 -0400 (EDT) From: Garrett Wollman Message-Id: <200010051507.LAA64837@khavrinen.lcs.mit.edu> To: Blaz Zupan Cc: freebsd-current@FreeBSD.ORG Subject: TI1225 CardBus controller In-Reply-To: References: Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG < said: > From reading the mailing list archives, I figured that the TI1225 > driver does actually work in some laptops, because the BIOS does > some magic initialization which the driver misses when running on a > non-laptop box. It's not necessarily just because of what the BIOS does. I am of the belief that the PCI card only works under the CardBus programming model. The reason should be obvious: the IRQ lines that the PC-Card interface needs aren't available on the PCI connector. When that chip is used in a laptop, it's connected directly to the PIIX so that it can get the full ISA functionality it needs in order to implement the Intel PCIC programming model. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message