On 12/04/2015 01:37 AM, Yuan Yao wrote:
> As the errata A008336 and A008514 do not apply to all LS series SoCs
> (such as LS1021A, LS1043A) we move them to an soc specific file
>
> Signed-off-by: Yuan Yao <yao.y...@freescale.com>
> ---
> Changed in v2:
> Update the patch commit message.
> ---
>
> arch/arm/cpu/armv8/fsl-layerscape/soc.c | 37
> +++++++++++++++++++++++++++++++++
> drivers/ddr/fsl/fsl_ddr_gen4.c | 34 ------------------------------
> 2 files changed, 37 insertions(+), 34 deletions(-)
>
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> index 8896b70..738b113 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> @@ -14,6 +14,41 @@
> DECLARE_GLOBAL_DATA_PTR;
>
> #if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A)
> +/*
> + * This erratum requires setting a value to eddrtqcr1 to
> + * optimal the DDR performance.
> + */
> +static void erratum_a008336(void)
> +{
> + u32 *eddrtqcr1;
> +
> +#ifdef CONFIG_SYS_FSL_ERRATUM_A008336
> +#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
> + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
> + out_le32(eddrtqcr1, 0x63b30002);
> +#endif
> +#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
> + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
> + out_le32(eddrtqcr1, 0x63b30002);
> +#endif
> +#endif
> +}
> +
> +/*
> + * This erratum requires a register write before being Memory
> + * controller 3 being enabled.
> + */
> +static void erratum_a008514(void)
> +{
> + u32 *eddrtqcr1;
> +
> +#ifdef CONFIG_SYS_FSL_ERRATUM_A008514
> +#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
I believe this is a typo. It should be CONFIG_SYS_FSL_DCSR_DDR3_ADDR.
> + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
> + out_le32(eddrtqcr1, 0x63b20002);
> +#endif
> +#endif
> +}
> #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
> #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
>
> @@ -118,6 +153,8 @@ void fsl_lsch3_early_init_f(void)
> erratum_rcw_src();
> init_early_memctl_regs(); /* tighten IFC timing */
> erratum_a009203();
> + erratum_a008514();
> + erratum_a008336();
> }
>
> #elif defined(CONFIG_LS1043A)
York
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