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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: No NAND access on AT91SAM9G20-EK
Date: Thu, 17 Feb 2011 23:45:58 +0100	[thread overview]
Message-ID: <4D5DA526.1070801@pengutronix.de> (raw)
In-Reply-To: <4D5D9821.6070500@pengutronix.de>


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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     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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  reply	other threads:[~2011-02-17 22:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-10 11:09 Mickael Chazaux
2011-02-10 11:48 ` Jean-Christophe PLAGNIOL-VILLARD
2011-02-10 13:47   ` Mickael Chazaux
2011-02-17 21:50   ` Marc Kleine-Budde
2011-02-17 22:45     ` Marc Kleine-Budde [this message]
2011-02-18  8:55       ` Jean-Christophe PLAGNIOL-VILLARD

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