Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756839AbXIFJwn (ORCPT ); Thu, 6 Sep 2007 05:52:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751668AbXIFJwf (ORCPT ); Thu, 6 Sep 2007 05:52:35 -0400 Received: from terminus.zytor.com ([198.137.202.10]:39262 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751639AbXIFJwf (ORCPT ); Thu, 6 Sep 2007 05:52:35 -0400 Message-ID: <46DFCCD9.2010306@zytor.com> Date: Thu, 06 Sep 2007 10:48:09 +0100 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Arne Georg Gleditsch CC: Yinghai Lu , Andreas Herrmann , Robert Richter , Arjan van de Ven , patches@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona References: <20070903081736.288288000@amd.com> <20070903013157.72c94891@laptopd505.fenrus.org> <20070903091718.GB22144@alberich.amd.com> <20070903043319.7573875b@laptopd505.fenrus.org> <20070903154734.GC22086@alberich.amd.com> <46DE45A2.40403@zytor.com> <20070905084427.GE6409@erda.amd.com> <46DE80F0.4000706@zytor.com> <20070905161300.GE22086@alberich.amd.com> <86802c440709051542w1950e28bhb21cf5c380527a6e@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 915 Lines: 22 Arne Georg Gleditsch wrote: > "Yinghai Lu" writes: >> mmconfig is set in NB ( in new CPU), Do we still need to set mmconfig >> in SB like mcp55? > > I wasn't aware that the family 10h-chips had MSRs for setting the > mmconfig address space directly in the NB (core?). Please disregard > my previous comment... > Well, to a first order of approximations, *all* northbridges have some sort of hardware registers to set mmconfig. We were talking yesterday that it might just make more sense to have code for various northbridges to configure mmconfig directly, just like we do for IRQ routing (we can't trust the BIOS there, either.) -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/