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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Boaz Ben-David <boaz.bd@wellsense-tech.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: bareboxenv usage
Date: Tue, 13 Sep 2011 14:01:08 +0200	[thread overview]
Message-ID: <4E6F4604.7040501@pengutronix.de> (raw)
In-Reply-To: <4E6F270A.2040902@wellsense-tech.com>


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On 09/13/2011 11:48 AM, Boaz Ben-David wrote:
> On 09/13/11 12:14, Marc Kleine-Budde wrote:
>> On 09/13/2011 10:59 AM, Boaz Ben-David wrote:
>>> All I am asking is: do I need to use /dev/mtdblock or /dev/mtd when
>>> loading and saving envs
>> neither nor - loadenv&  saveenv are not bad block aware. In barebox you
>> use the .bb devices, which are bad block are, under linux use nandwrite
>> + nanddump to write or read data from the nand into a file. Then use
>> loadenv/saveenv.
>>
>> cheers, Marc
>>
> 
> Hi,
> 
> 
> Thanks for the reply.
> 
> First question, please tell me if these sequences are correct:

basically yes....but

> In Linux:
> 
> - Read:
> 
> 1.nanddump from the mtd device to a file.

read the nanddump help text, you need to skip bad blocks

> 2.bareboxenv -l the file dumped.
> 
> -Write:
> 
> 1.bareboxenv -s from source directory to a file
> 
> 2.nandwrite that file to the mtd device.

use padding

cheers, 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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  parent reply	other threads:[~2011-09-13 12:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-12 13:54 Boaz Ben-David
2011-09-13  8:59 ` Boaz Ben-David
2011-09-13  9:14   ` Marc Kleine-Budde
2011-09-13  9:48     ` Boaz Ben-David
2011-09-13 11:25       ` Boaz Ben-David
2011-09-13 12:00         ` Marc Kleine-Budde
2011-09-13 12:01       ` Marc Kleine-Budde [this message]
2011-09-13 12:07         ` Boaz Ben-David

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