On 10/21/2016 04:37 PM, york sun wrote:
> On 10/18/2016 07:48 PM, Hamish Martin wrote:
>> This erratum is already implemented for other ARM based QorIQ
>> platforms with the Gen4 DDR controller. Port the fix to the Gen3
>> controller and enable it for T2080 and T2081.
>>
>> Reviewed-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
>> Signed-off-by: Hamish Martin <hamish.mar...@alliedtelesis.co.nz>
>> Cc: York Sun <york....@nxp.com>
>> ---
>> arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 +++
>> arch/powerpc/include/asm/config_mpc85xx.h | 1 +
>> drivers/ddr/fsl/mpc85xx_ddr_gen3.c | 17 +++++++++++++++++
>> 3 files changed, 21 insertions(+)
>>
>> diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
>> b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
>> index 3b06ae42e4bc..94b6dcca96b6 100644
>> --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
>> +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
>> @@ -329,6 +329,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int
>> argc, char * const argv[])
>> #ifdef CONFIG_SYS_FSL_ERRATUM_A009663
>> puts("Work-around for Erratum A009663 enabled\n");
>> #endif
>> +#ifdef CONFIG_SYS_FSL_ERRATUM_A009942
>> + puts("Work-around for Erratum A009942 enabled\n");
>> +#endif
>>
>> return 0;
>> }
>> diff --git a/arch/powerpc/include/asm/config_mpc85xx.h
>> b/arch/powerpc/include/asm/config_mpc85xx.h
>> index 6d845e859f4a..9e1cd80e16e0 100644
>> --- a/arch/powerpc/include/asm/config_mpc85xx.h
>> +++ b/arch/powerpc/include/asm/config_mpc85xx.h
>> @@ -910,6 +910,7 @@ defined(CONFIG_PPC_T1014) || defined(CONFIG_PPC_T1013)
>> #define CONFIG_SYS_FSL_ERRATUM_A006593
>> #define CONFIG_SYS_FSL_ERRATUM_A007186
>> #define CONFIG_SYS_FSL_ERRATUM_A006379
>> +#define CONFIG_SYS_FSL_ERRATUM_A009942
>> #define ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE
>> #define CONFIG_SYS_FSL_SFP_VER_3_0
>>
>
> Thanks for fixing it. Please also enable this workaround for T1024,
> T2080, T1040, B4420, B4860, T4240 (and change the subject accordingly).
A second thought, NXP is updating this erratum workaround. A new patch
will be sent out. Thanks for bring it up.
York
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