[U-Boot] U-boot not finding NAND chip on imx28EVK - Gives DMA read error

Bill
2012-08-06T16:38:12Z

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

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