[U-Boot] [PATCH] fsl/ddr: Add workaround for ERRATUM_A009942

[york sun]

On 01/05/2016 07:34 PM, Shengzhou Liu wrote:
> During the receive data training, the DDRC may complete on a
> non-optimal setting that could lead to data corruption or
> initialization failure.
> 
> Workaround: before setting MEM_EN, set DEBUG_29 register with
> specific value for different data rates.
> 
> Signed-off-by: Shengzhou Liu <Shengzhou.Liu at freescale.com>
> ---
>  arch/arm/include/asm/arch-fsl-layerscape/config.h |  1 +
>  drivers/ddr/fsl/fsl_ddr_gen4.c                    | 18 ++++++++++++++++++
>  2 files changed, 19 insertions(+)
> 

Applied to u-boot-fsl-qoriq master. Awaiting upstream.

Thanks.

York