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Date:      Mon, 11 Mar 2013 18:37:21 +0800
From:      Alie Tan <alie@affle.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Tim Kientzle <tim@kientzle.com>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org>, Brett Wynkoop <wynkoop@wynn.com>, "george@ceetonetechnology.com" <george@ceetonetechnology.com>
Subject:   Re: The Next BeagleBone Better & Faster for Less!
Message-ID:  <CANuCnH9NO6DONu9mLaOpNyYWd5ru_yjGkB=%2BnaaR%2BwexSj31Rw@mail.gmail.com>
In-Reply-To: <5B57B232-3DEE-42A4-9623-58E7D75291B9@bsdimp.com>
References:  <CANuCnH9XP3Jn30EWCuZ0AmQF6MA4q4U9GUB7LU=XXZEdp7ZJ8g@mail.gmail.com> <5125A73F.10802@ceetonetechnology.com> <20130221011346.3c376117@ivory.wynn.com> <48679DB0-7A2B-4617-BAA3-30C21F3CD61B@bsdimp.com> <1361458105.1185.19.camel@revolution.hippie.lan> <B71C80C0-0835-403C-B196-5343AD3247FC@bsdimp.com> <1361459858.1185.25.camel@revolution.hippie.lan> <A4D0270C-35C0-4B4B-87C0-D8990490A8B9@kientzle.com> <5B57B232-3DEE-42A4-9623-58E7D75291B9@bsdimp.com>

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On Fri, Feb 22, 2013 at 1:01 AM, Warner Losh <imp@bsdimp.com> 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 <george@ceetonetechnology.com> 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
>
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