> -----Original Message----- > From: Simon Kagstrom [mailto:simon.kagst...@netinsight.net] > Sent: Tuesday, August 25, 2009 1:00 PM > To: U-Boot ML > Cc: Prafulla Wadaskar; Nicolas Pitre > Subject: Re: [U-Boot] U-boot environment on Sheevaplug > > Hi again! > > I just wanted to check if there has been any progress on the issue > below (4-bit ECC support to read for the kernel / U-boot) during the > summer. Hi Simon
I am restarting work on this issue for u-boot, Does anybody have any suggestions? Those are welcomed.. Regards.. Prafulla . . > > On Wed, 8 Jul 2009 15:59:27 +0200 > Simon Kagstrom <simon.kagst...@netinsight.net> wrote: > > > Hi Prafulla (and the list)! > > > > I'm wondering a bit how Sheevaplug handles the U-boot > environment area. > > On OpenRD base it's stored on the NAND flash, and is protected by a > > 4-bit ECC as required when read by the boot prom - it just goes > > together with the rest of the u-boot image. > > > > The Marvell-supplied 1.1.4 version has code to handle this > (basically > > switches to Reed-Solomon when reading/saving the > environment), but it > > doesn't work with upstream U-boot. If I disable ECC altogether (in > > kirkwood_nand.c) I can read the environment, but since > U-boot doesn't > > use Reed-Solomon, the soft ECC option doesn't cut it. > > > > > > Is the situation the same with sheevaplug? I see there are > patches for > > OpenOCD to handle the same thing there, > > > > > http://lists.berlios.de/pipermail/openocd-development/2009-May > /006413.html > > > > so perhaps something similar is bound for U-boot as well? > > // Simon > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
