No NAND access on AT91SAM9G20-EK

[Marc Kleine-Budde]

On 02/17/2011 10:50 PM, Marc Kleine-Budde wrote:
> Hello Jean-Christophe,
> 
> On 02/10/2011 12:48 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>> 	which ecc did u use before?
> 
> I'm working on a at91sam9m10ek, using latest origin/next.
> 
> The ecc-mode is "hardcoded" to NAND_ECC_HW in
> arch/arm/mach-at91/at91sam9g45_devices.c. I've got the same -74 problem
> when reading from the nand.
> 
> Barebox fails to read the environment, even if barebox has written it.
> After changing the ecc mode to soft the env can be read and written
> without problems.
> 
> I ported the atmel nand driver from linux-2.6.37, which had no
> significant differences.

I just found in linux Kconfig:

> config MTD_NAND_ATMEL_ECC_HW
> 	bool "Hardware ECC"
> 	depends on ARCH_AT91SAM9263 || ARCH_AT91SAM9260 || AVR32

The sam9g45 is not listed here....Maybe we should hardcode "soft" in
barebox for the 9g45

regards,
Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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