Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261258AbVDDPlq (ORCPT ); Mon, 4 Apr 2005 11:41:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261261AbVDDPlq (ORCPT ); Mon, 4 Apr 2005 11:41:46 -0400 Received: from webapps.arcom.com ([194.200.159.168]:16906 "EHLO webapps.arcom.com") by vger.kernel.org with ESMTP id S261258AbVDDPlp (ORCPT ); Mon, 4 Apr 2005 11:41:45 -0400 Message-ID: <42516034.7000802@arcom.com> Date: Mon, 04 Apr 2005 16:41:40 +0100 From: David Vrabel User-Agent: Debian Thunderbird 1.0.2 (X11/20050329) X-Accept-Language: en-us, en MIME-Version: 1.0 To: James Bottomley CC: Benjamin Herrenschmidt , "David S. Miller" , matthew@wil.cx, Linux Kernel list Subject: Re: iomapping a big endian area References: <1112475134.5786.29.camel@mulgrave> <20050403013757.GB24234@parcelfarce.linux.theplanet.co.uk> <20050402183805.20a0cf49.davem@davemloft.net> <20050403031000.GC24234@parcelfarce.linux.theplanet.co.uk> <1112499639.5786.34.camel@mulgrave> <20050402200858.37347bec.davem@davemloft.net> <1112502477.5786.38.camel@mulgrave> <1112601039.26086.49.camel@gaston> <1112623143.5813.5.camel@mulgrave> In-Reply-To: <1112623143.5813.5.camel@mulgrave> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Apr 2005 15:48:34.0218 (UTC) FILETIME=[C211B8A0:01C5392D] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 817 Lines: 20 James Bottomley wrote: > so can you provide an example of a BE bus (or device) used on a LE > platform that would actually benefit from this abstraction? The Network Processing Engines in the Intel IXP425 are big-endian and its XScale core may be run in little-endian mode. There's a bunch of gotchas related to running in little-endian mode so you typically run the IXP425 in big-endian mode, though. David Vrabel -- David Vrabel, Design Engineer Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233 Cambridge CB1 7EA, UK Web: http://www.arcom.com/ - 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/