From owner-freebsd-arm@FreeBSD.ORG Mon Mar 11 10:44:21 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 1D573CFF for ; Mon, 11 Mar 2013 10:44:21 +0000 (UTC) (envelope-from alie@affle.com) Received: from mail-qc0-x236.google.com (mail-qc0-x236.google.com [IPv6:2607:f8b0:400d:c01::236]) by mx1.freebsd.org (Postfix) with ESMTP id D1605654 for ; Mon, 11 Mar 2013 10:44:20 +0000 (UTC) Received: by mail-qc0-f182.google.com with SMTP id k19so1404252qcs.41 for ; Mon, 11 Mar 2013 03:44:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:x-gm-message-state; bh=qb8G4GGvhGN7hngBfmsOAPLW3xv8yTlCxm621aOQczU=; b=eGVnf3IyKwraYJywDHgdQQujoiwItd/IZ7SUzd9WviuVYP5ygTMOsa7VZAuBMV8wER GljNG1xIkj1lQDfrKMZqi8kqfwuaQJhnTilammlX/cc9OAmOJ7bdbtNq06lwuwbySb/r +SBYfRccNO2tDXIFcnpgF0FhhZrHQIjM7jYd6qjF5esOEu97YIEbUDQH0K0P3eKRgOyG +0tGeGYI2V/G9tJcmL1QBJ4ojE6R66+XkTfoSkcGfcVj8oE6JZVdAz+ym2PI4T4r3fr7 sUt2TIx6mZ5HYJfFAcfjdcPPZwYIypfl5dtWA5DRoVfPx2jFb5A56OLZ9oY3yFn6OyJp Jkyg== MIME-Version: 1.0 X-Received: by 10.49.95.138 with SMTP id dk10mr18262571qeb.43.1362998242112; Mon, 11 Mar 2013 03:37:22 -0700 (PDT) Received: by 10.49.87.193 with HTTP; Mon, 11 Mar 2013 03:37:21 -0700 (PDT) In-Reply-To: <5B57B232-3DEE-42A4-9623-58E7D75291B9@bsdimp.com> References: <5125A73F.10802@ceetonetechnology.com> <20130221011346.3c376117@ivory.wynn.com> <48679DB0-7A2B-4617-BAA3-30C21F3CD61B@bsdimp.com> <1361458105.1185.19.camel@revolution.hippie.lan> <1361459858.1185.25.camel@revolution.hippie.lan> <5B57B232-3DEE-42A4-9623-58E7D75291B9@bsdimp.com> Date: Mon, 11 Mar 2013 18:37:21 +0800 Message-ID: Subject: Re: The Next BeagleBone Better & Faster for Less! From: Alie Tan To: Warner Losh X-Gm-Message-State: ALoCoQnSdBmll8kkVw+aI+AJPearLkn+sINgwZoQzQ3r3ezAcBAvacTK6Hm7dZdz02Ue5il/2Tq5 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Tim Kientzle , "freebsd-arm@freebsd.org" , Ian Lepore , Brett Wynkoop , "george@ceetonetechnology.com" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2013 10:44:21 -0000 Sneek peek: https://plus.google.com/102344295024422039483/posts/6Z4mixQGRcH On Fri, Feb 22, 2013 at 1:01 AM, Warner Losh wrote: > > On Feb 21, 2013, at 9:58 AM, Tim Kientzle wrote: > > > > > On Feb 21, 2013, at 7:17 AM, Ian Lepore wrote: > > > >> On Thu, 2013-02-21 at 07:58 -0700, Warner Losh wrote: > >>> On Feb 21, 2013, at 7:48 AM, Ian Lepore wrote: > >>> > >>>> On Wed, 2013-02-20 at 23:49 -0700, Warner Losh wrote: > >>>>> On Feb 20, 2013, at 11:13 PM, Brett Wynkoop wrote: > >>>>> > >>>>>> On Wed, 20 Feb 2013 23:49:03 -0500 > >>>>>> George Rosamond wrote: > >>>>>> > >>>>>>> On 02/20/13 23:27, Alie Tan wrote: > >>>>>>>> Just got a news about new Beaglebone: > >>>>>>>> > >>>>>>>> http://beagleboard.org/unzipped/ > >>>>>>> > >>>>>>> Wow. Although personally, I could do without the HDMI. > >>>>>>> > >>>>>>> It would be ideal there was a stock FBSD image for them to provid= e > for > >>>>>>> purchasers... as in official on their www site as an alternative = to > >>>>>>> Linux. > >>>>>>> > >>>>>>> g > >>>>>> > >>>>>> Greeting- > >>>>>> > >>>>>> We need working USB support to contribute that to their site. > >>>>>> > >>>>>> Is this new bone going to be the same as the old bone, but with > video, > >>>>>> in other words will current kernels run or will the hard core kern= el > >>>>>> folks have to rework things? > >>>>> > >>>>> We'll likely have to rework thing, at least if we want to run out o= f > flash on the card. it has a new flash chip that has micron markings on it= . > Sure would be nice to know what, exactly, that chip is=85 > > > > I haven't found what SoC the new BeagleBone is > > using, but the AM3359 used on the original BeagleBone > > does support hardware ECC in the memory controller. > > > > "Section 7.1.1.1 GPMC (General Purpose Memory Controller) Features > > =85 > > =95 Up to 16-bit ECC support for NAND flash using BCH code (t=3D4, 8 > > or 16) or Hamming code for 8-bit or 16-bit NAND-flash, organized > > with page size of 512 bytes, 1K bytes, or more." > > > > There is also an "Error Location Module" documented in Section 7.4 > > of the TRM which seems to be the component that actually > > implements the ECC coding and works with the GPMC. > > > > Definitely a chunk of work to integrate, but it doesn't appear > > to require that we implement software ECC. > > Software BCH is very slow in comparison to hardware.. > > Warner > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >