[U-Boot] [PATCH] ts4800: add CONFIG_SYS_FSL_ERRATUM_ESDHC_A001

Sebastien Bourdelin
2016-05-20T20:13:07Z

Hi Fabio,

On 05/10/2016 04:43 PM, Fabio Estevam wrote:
> Hi Sebastien,
>
> On Thu, Apr 21, 2016 at 2:37 PM, Sebastien Bourdelin
> <sebastien.bourdelin@savoirfairelinux.com> wrote:
>> This commit fixes the MMC data transactions timeout problem on the
>> TS4800.
>>
>> The changes introduced in the commit e978a31 on the timeout calculation
>> for the MMC data transactions has revealed there is something wrong with
>> the timeout setting of the eSDHC controller used in the IMX51.
>>
>> The IMX51 seems to be concerned by this erratum and without this change
>> the MMC driver is unable to do any transactions.
>>
>> Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
> Does this issue only happen with eMMC and not with SD card? mx51evk
> boots fine without this config option.
This issue happen with the SD card, i currently didn't found the time to
try with eMMC.

Best Regards,
Sebastien.
> As this change affects only ts4800.h I think it is safer to apply for
> this release:
>
> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>