On 10/25/2016 12:03 AM, Suresh Gupta wrote:
> USB High Speed (HS) EYE Height Adjustment
> USB HS speed eye diagram fails with the default value at
> many corners, particularly at a high temperature
>
> Optimal eye at TXVREFTUNE value to 1001 is observed, change
> set the same vale.
>
> Signed-off-by: Sriram Dash <sriram.d...@nxp.com>
> Signed-off-by: Rajesh Bhagat <rajesh.bha...@nxp.com>
> ---
> arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 6 ++++++
> arch/arm/cpu/armv8/fsl-layerscape/soc.c | 25
> ++++++++++++++++++++++
> .../include/asm/arch-fsl-layerscape/immap_lsch2.h | 6 ++++++
> .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 1 +
> 4 files changed, 38 insertions(+)
>
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> index 94ec8d5..ec3e50d 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
> @@ -12,6 +12,7 @@ config ARCH_LS1043A
> select SYS_FSL_DDR_VER_50
> select SYS_FSL_ERRATUM_A010315
> select SYS_FSL_ERRATUM_A010539
> + select SYS_FSL_ERRATUM_A009008
>
> config ARCH_LS1046A
> bool
> @@ -21,6 +22,7 @@ config ARCH_LS1046A
> select SYS_FSL_DDR_VER_50
> select SYS_FSL_ERRATUM_A010539
> select SYS_FSL_SRDS_2
> + select SYS_FSL_ERRATUM_A009008
>
> config ARCH_LS2080A
> bool
> @@ -30,6 +32,7 @@ config ARCH_LS2080A
> select SYS_FSL_DDR_VER_50
> select SYS_FSL_HAS_DP_DDR
> select SYS_FSL_SRDS_2
> + select SYS_FSL_ERRATUM_A009008
>
> config FSL_LSCH2
> bool
> @@ -53,6 +56,9 @@ config SYS_FSL_ERRATUM_A010315
> config SYS_FSL_ERRATUM_A010539
> bool "Workaround for PIN MUX erratum A010539"
>
> +config SYS_FSL_ERRATUM_A009008
> + bool "Workaround for USB PHY erratum A009008"
> +
> config MAX_CPUS
> int "Maximum number of CPUs permitted for Layerscape"
> default 4 if ARCH_LS1043A
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> index d68eeba..88cced1 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> @@ -26,6 +26,29 @@
>
> DECLARE_GLOBAL_DATA_PTR;
>
> +static void erratum_a009008(void)
> +{
> +#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
> +#if defined(CONFIG_LS1043A) || defined(CONFIG_LS1046A)
I think it is better use CONFIG_ARCH_LS1046A which is defined by
Kconfig. The old macros are defined in header file. We will convert them
to use Kconfig eventually. Agree?
York
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