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

Fabio Estevam festevam at gmail.com
Tue May 10 22:43:18 CEST 2016


Hi Sebastien,

On Thu, Apr 21, 2016 at 2:37 PM, Sebastien Bourdelin
<sebastien.bourdelin at 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 at savoirfairelinux.com>

Does this issue only happen with eMMC and not with SD card? mx51evk
boots fine without this config option.

As this change affects only ts4800.h I think it is safer to apply for
this release:

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>


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