From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Tue, 22 May 2012 12:56:31 -0500
Subject: [U-Boot] Nand flash R/W,saveenv issue..
In-Reply-To: <201205221615.07965.marex@denx.de>
References: <1337677828.2382.30.camel@Manukumar>
	<201205221615.07965.marex@denx.de>
Message-ID: <4FBBD34F.5010501@freescale.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

On 05/22/2012 09:15 AM, Marek Vasut wrote:
> Dear Manukumar,
> 
>> Hello,
> 
> CCing someone who might actually help you, CCing the uboot mailing list, please 
> keep it that way.
> 
>> i can able to detect nand flash.
>> but i had an issue that i could not do operation(Read/write)
>> on nand flash.
>> i tried to erase the nand flash i got the error as below:
>>
>>  NAND 32MiB 3,3V 8-bit: MTD Erase failure: -5
>>  NAND 32MiB 3,3V 8-bit: MTD Erase failure: -5
>>  NAND 32MiB 3,3V 8-bit: MTD Erase failure: -5
>>  NAND 32MiB 3,3V 8-bit: MTD Erase failure: -5
>>
>> even if i try to saveenv then also is not saving the envionment
>> variables
>>
>> processor used: P1012
>> nand flash: samsung K9F5608U0D
>>
>> please reply ASAP.
>>
>> manukumar
>> signal-networks

What version of U-Boot is this?

How are you configuring BRn/ORn for this chipselect?

Could you define VERBOSE_DEBUG at the top of
drivers/mtd/nand/fsl_elbc_nand.c?

-Scott