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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] AT91 NAND om AT91SAM9260EK
Date: Thu, 8 Feb 2007 07:06:48 +0100	[thread overview]
Message-ID: <200702080706.48809.sr@denx.de> (raw)
In-Reply-To: <03d701c74b14$07ec1510$c58e11d4@atmel.com>

On Thursday 08 February 2007 00:17, Ulf Samuelsson wrote:
> > Has anyone used the at91_nand driver on the AT91SAM9260EK?
> >
> > I get bad erase blocks on every block that contaions data (written to
> > nand flash with SAM-BA).  Seems like the read_oob (read out of bounds
> > area) function is returning data from the in bounds area.
> >
> > U-boot configs the nand flash to use hw ecc (syndrome) whereas the
> > at91_nand seems to be setup to use soft ecc.
>
> According to recent conversations on U-Boot mailing list
> U-boot can do a raw copy of a flash file system, but nothing more.
> (Correct me if I have misunderstood)

Yes. But this copy is bad block aware.

> This means that if there are faulty pages in the NAND flash, you are dead.

No. Bad blocks are handled correctly.

Best regards,
Stefan

=====================================================================
DENX Software Engineering GmbH, HRB 165235 Munich, CEO: Wolfgang Denk
Office:  Kirchenstr. 5,       D-82194 Groebenzell,            Germany
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  reply	other threads:[~2007-02-08  6:06 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <c88e466f0702050752t16c18251gcddf40a7ec95469@mail.gmail.com>
2007-02-07 23:17 ` [U-Boot-Users] AT91 NAND om AT91SAM9260EK Ulf Samuelsson
2007-02-08  6:06   ` Stefan Roese [this message]
2007-02-08  8:34     ` Michel Benoit
2007-02-08 19:25       ` Ulf Samuelsson
2007-02-08 20:58         ` Haavard Skinnemoen
2007-02-08 22:20           ` Ulf Samuelsson
2007-02-09 15:45             ` Haavard Skinnemoen
2007-02-09 19:11               ` Ulf Samuelsson
2007-02-09 19:54                 ` Haavard Skinnemoen
2007-02-09 19:39               ` Wolfgang Denk
2007-02-09 22:18                 ` Ulf Samuelsson
2007-02-09 22:58                   ` Haavard Skinnemoen
2007-02-09 23:20                     ` Ulf Samuelsson
2007-02-09 23:42                       ` Haavard Skinnemoen
2007-02-10  0:10                         ` Ulf Samuelsson
2007-02-10  1:18                       ` Wolfgang Denk
2007-02-10  9:05                         ` Ulf Samuelsson
2007-02-10  7:23                     ` Stefan Roese
2007-02-10  1:15                   ` Wolfgang Denk
2007-02-10  7:32                     ` Stefan Roese
2007-02-10  9:29                     ` Ulf Samuelsson
2007-02-10  1:53       ` Ken Watson
     [not found] <mailman.5069.1170973304.16820.u-boot-users@lists.sourceforge.net>
2007-02-08 22:57 ` Ivan Kuten
     [not found] <mailman.12584.1171099992.16820.u-boot-users@lists.sourceforge.net>
2007-02-10 20:31 ` Ivan Kuten
2007-02-11 16:43   ` Ulf Samuelsson
2007-02-11 18:04     ` Haavard Skinnemoen
2007-02-11 19:42       ` Ulf Samuelsson
2007-02-11 20:23         ` Haavard Skinnemoen
2007-02-11 20:29           ` Ulf Samuelsson
2007-02-11 20:54             ` Haavard Skinnemoen
2007-02-11 21:10           ` Wolfgang Denk
2007-02-11 21:39             ` Ulf Samuelsson
2007-02-11 23:45               ` Wolfgang Denk
2007-02-12  0:26                 ` Ulf Samuelsson
2007-02-12 15:18                   ` Haavard Skinnemoen
2007-02-12 18:40                     ` Ulf Samuelsson
2007-02-12 19:36                       ` Stefan Roese
2007-02-12 19:37                       ` Haavard Skinnemoen
2007-02-12 20:05                         ` Ulf Samuelsson
2007-02-11 21:54       ` Ulf Samuelsson
2007-02-11 11:49 Michel Benoit
2007-02-11 16:20 ` Ulf Samuelsson

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