From owner-freebsd-embedded@FreeBSD.ORG Wed May 28 15:08:29 2008 Return-Path: Delivered-To: freebsd-embedded@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EF99A1065678 for ; Wed, 28 May 2008 15:08:29 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id C1BBC8FC22 for ; Wed, 28 May 2008 15:08:29 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from compute2.internal (compute2.internal [10.202.2.42]) by out1.messagingengine.com (Postfix) with ESMTP id 0389610F6AD; Wed, 28 May 2008 11:08:29 -0400 (EDT) Received: from heartbeat1.messagingengine.com ([10.202.2.160]) by compute2.internal (MEProxy); Wed, 28 May 2008 11:08:29 -0400 X-Sasl-enc: SzGlTDCulusTvMUdbdweRHGqF2m65zVHkwDZXCfvaqOE 1211987308 Received: from empiric.lon.incunabulum.net (82-35-112-254.cable.ubr07.dals.blueyonder.co.uk [82.35.112.254]) by mail.messagingengine.com (Postfix) with ESMTPSA id 37A9B2A0D; Wed, 28 May 2008 11:08:28 -0400 (EDT) Message-ID: <483D756B.50403@incunabulum.net> Date: Wed, 28 May 2008 16:08:27 +0100 From: Bruce M Simpson User-Agent: Thunderbird 2.0.0.14 (X11/20080514) MIME-Version: 1.0 To: "M. Warner Losh" References: <483C6CC5.9010005@incunabulum.net> <20080527.144129.-1962638113.imp@bsdimp.com> <483CE242.3080500@incunabulum.net> <20080528.080542.-1749738850.imp@bsdimp.com> In-Reply-To: <20080528.080542.-1749738850.imp@bsdimp.com> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-embedded@FreeBSD.org Subject: Re: Linksys NSLU2 attempt X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 May 2008 15:08:30 -0000 M. Warner Losh wrote: > : Can you point at this stuff? I had a look in freebsd-imp and arm but > : didn't see anything that jumped out at me. > > Right, they are in the p4 tree on my laptop right now... > Care to share? :-) > : It would be very cool to get stuff up on this NSLU2 because then I can > : start to think about things like MTD, flash, etc. > > MTD and flash are the same thing. And we have a driver for them in > the tree now, but I've not tried to write a bridge drive for the > xscale. > I see there are already some drivers for low level access to the whole flash device. The distinction: I was referring to the Linux model for flash partitioning; I'm thinking GEOM is the way to go here. It would be good to have MTD support so FreeBSD can be dropped on top of existing devices which have supported Linux.