From owner-freebsd-current@FreeBSD.ORG  Tue Aug 12 18:55:18 2003
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C799E37B401
	for <freebsd-current@freebsd.org>;
	Tue, 12 Aug 2003 18:55:18 -0700 (PDT)
Received: from smtp.mho.com (smtp.mho.net [64.58.4.6])
	by mx1.FreeBSD.org (Postfix) with SMTP id D6C7D43F3F
	for <freebsd-current@freebsd.org>;
	Tue, 12 Aug 2003 18:55:17 -0700 (PDT)
	(envelope-from scottl@freebsd.org)
Received: (qmail 11179 invoked by uid 1002); 13 Aug 2003 01:55:16 -0000
Received: from unknown (HELO freebsd.org) (64.58.1.252)
  by smtp.mho.net with SMTP; 13 Aug 2003 01:55:16 -0000
Message-ID: <3F399A8A.8070605@freebsd.org>
Date: Tue, 12 Aug 2003 19:55:22 -0600
From: Scott Long <scottl@freebsd.org>
User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US;
	rv:1.4) Gecko/20030624
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Doug White <dwhite@gumbysoft.com>
References: <02b701c360de$ed311950$812a40c1@PETEX31>
	<20030812161353.F85404@carver.gumbysoft.com>
In-Reply-To: <20030812161353.F85404@carver.gumbysoft.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
cc: freebsd-current@freebsd.org
cc: Petri Helenius <pete@he.iki.fi>
Subject: Re: pci configuration
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 13 Aug 2003 01:55:19 -0000

Doug White wrote:
> On Tue, 12 Aug 2003, Petri Helenius wrote:
> 
> 
>>Is there way to view PCI / PCI-X configuration with bus-width and clock
>>values when FreeBSD has already booted?
> 
> 
> If you know where in PCI config space to look you could use pciconf to
> query it.  Can't say I've heard of PCI speed negotiation issues, though.
> 

I'm not aware of any registers in the standard PCI config space that
will tell you the speed of the bus.  Some PCI devices will make that
information available, but not in a standard way.  The BIOS of some
higher-end systems might also tell you this information.

Scott