[U-Boot-Users] AT91 NAND om AT91SAM9260EK
Stefan Roese
sr at denx.de
Thu Feb 8 07:06:48 CET 2007
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
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