From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.5/8.12.5) with ESMTP id g6OEjMRw019984 for ; Wed, 24 Jul 2002 07:45:22 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.5/8.12.3/Submit) id g6OEjMtU019983 for linux-mips-outgoing; Wed, 24 Jul 2002 07:45:22 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from dea.linux-mips.net (shaft17-f182.dialo.tiscali.de [62.246.17.182]) by oss.sgi.com (8.12.5/8.12.5) with SMTP id g6OEjFRw019974 for ; Wed, 24 Jul 2002 07:45:17 -0700 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.6) id g6OEk2Y28316; Wed, 24 Jul 2002 16:46:02 +0200 Date: Wed, 24 Jul 2002 16:46:02 +0200 From: Ralf Baechle To: "Maciej W. Rozycki" Cc: Jun Sun , linux-mips@oss.sgi.com Subject: Re: [PATCH] make PIIX4 ide driver available for MIPS Message-ID: <20020724164602.E28010@dea.linux-mips.net> References: <3D3DF04E.7070401@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from macro@ds2.pg.gda.pl on Wed, Jul 24, 2002 at 04:43:39PM +0200 X-Accept-Language: de,en,fr X-Spam-Status: No, hits=-4.4 required=5.0 tests=IN_REP_TO version=2.20 X-Spam-Level: Sender: owner-linux-mips@oss.sgi.com Precedence: bulk On Wed, Jul 24, 2002 at 04:43:39PM +0200, Maciej W. Rozycki wrote: > > Malta uses this chip. The native driver does provide significant gain in > > performance. See attached bonnie++ test results. > > It's actually weird there are any CPU conditionals there at all. The > PIIX4 is a generic PCI-ISA bridge after all, so it can be used on any > system equipped with a PCI bus. DEC Alpha systems used to use Intel's > bridges for EISA and ISA busses as well. I bet it's historical reasons and the whole architecture conditional plain should go away ... Ralf