From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 12 Apr 2005 11:58:44 +0100 (BST) Received: from extgw-uk.mips.com ([IPv6:::ffff:62.254.210.129]:55560 "EHLO bacchus.net.dhis.org") by linux-mips.org with ESMTP id ; Tue, 12 Apr 2005 11:58:29 +0100 Received: from dea.linux-mips.net (localhost.localdomain [127.0.0.1]) by bacchus.net.dhis.org (8.13.1/8.13.1) with ESMTP id j3CAwGJQ019059; Tue, 12 Apr 2005 11:58:16 +0100 Received: (from ralf@localhost) by dea.linux-mips.net (8.13.1/8.13.1/Submit) id j3CAwGWZ019058; Tue, 12 Apr 2005 11:58:16 +0100 Date: Tue, 12 Apr 2005 11:58:15 +0100 From: Ralf Baechle To: Paul Chapman Cc: linux-mips@linux-mips.org Subject: Re: ip27 PCI devices Message-ID: <20050412105815.GC5573@linux-mips.org> References: <1113251422.21580.33.camel@paul.dev.brocku.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1113251422.21580.33.camel@paul.dev.brocku.ca> User-Agent: Mutt/1.4.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 7699 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Mon, Apr 11, 2005 at 04:30:22PM -0400, Paul Chapman wrote: > I've been experimenting with trying various PCI cards I have lying > around in my Origin 200, to see if I can make any of them work. The current Linux implementation limits IP27 to cards with 64-bit addressing capability. > So far, I've had no luck: all of them have resource collisions with the > IOC3 (presumably because of its address decoding). They're detected > fine in /proc/pci. What kernel version are you trying? > So: has anyone had any luck with anything they've tried? In particular, > I'm looking for an ethernet card that works (and is readily available), > since the performance of the IOC3 is pretty wretched. That actually also seems to be more of a limitation of how the IP27 code is setting up RRBs for PCI devices, so any driver is expected to deliver a somewhat modest (understatement!) performance. Fixing fortunately isn't too hard ... Ralf