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From: Bill <bsousan@techsi.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] U-boot not finding NAND chip on imx28EVK - Gives DMA read error
Date: Mon, 06 Aug 2012 11:38:12 -0500	[thread overview]
Message-ID: <501FF2F4.30406@techsi.com> (raw)
In-Reply-To: <CAOMZO5A88MpOGxh+DXqae=355dCGDcqcu79+TpTKEsJhs3Q21Q@mail.gmail.com>

Thanks.  That did it - grabbed recent version and it works.

Best,
Bill


On 8/6/2012 10:34 AM, Fabio Estevam wrote:
> Bill,
>
> On Mon, Aug 6, 2012 at 11:34 AM, Bill<bsousan@techsi.com>  wrote:
>> All,
>>
>>         I enabled my U-boot for NAND support for my imx28EVK and I get the
>> following error when U-Boot starts:
>>
>>
>> NAND:  MXS NAND: Error sending command
>> MXS NAND: Error sending command
>> MXS NAND: DMA read error
>> MXS NAND: DMA read error
>> MXS NAND: Error sending command
>> ...
>>
>>      I am using U-boot version  U-Boot 2012.07-rc1.   I also have the NAND
>> support enabled in /include/configs/mx28evk.h  by adding  CONFIG_CMD_NAND.
>>      The NAND chip I am using is:  Micron  MT29F1G08ABADA.
> I have just tried the most recent u-boot-imx git, enabled
> CONFIG_CMD_NAND in the mx28evk.h and the NAND is detected fine:
>
> U-Boot 2012.07-08388-g9ce4714-dirty (Aug 06 2012 - 12:26:16)
>
> CPU:   Freescale i.MX28 rev1.2 at 454 MHz
> BOOT:  SSP SD/MMC #0, 3V3
> I2C:   ready
> DRAM:  128 MiB
> NAND:  2048 MiB
> MMC:   MXS MMC: 0
> In:    serial
> Out:   serial
> Err:   serial
> Net:   FEC0, FEC1
> Hit any key to stop autoboot:  0
>
> MX28EVK U-Boot>  nand info
>
> Device 0: nand0, sector size 256 KiB
>    Page size      2048 b
>    OOB size         64 b
>    Erase size   262144 b
> MX28EVK U-Boot>
>
> The NAND I am using is K9LAG08U0M.
>
> Regards,
>
> Fabio Estevam

-- 
William (Bill) L. Sousan, Ph.D.
(w) 402.331.4977 ext. 4002
bsousan at techsi.com
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      reply	other threads:[~2012-08-06 16:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-06 14:34 [U-Boot] U-boot not finding NAND chip on imx28EVK - Gives DMA read error Bill
2012-08-06 15:34 ` Fabio Estevam
2012-08-06 16:38   ` Bill [this message]

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