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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Sneek peek: https://plus.google.com/102344295024422039483/posts/6Z4mixQGRcH 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 > > _______________________________________________ > 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" >
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