[U-Boot] [PATCH 1/5][v2] powerpc/mpc85xx:No NOR boot, do not compile IFC errata A003399
Prabhakar Kushwaha
prabhakar at freescale.com
Sat Apr 6 04:28:14 CEST 2013
On 04/06/2013 02:03 AM, Scott Wood wrote:
> On 03/22/2013 02:07:48 AM, Prabhakar Kushwaha wrote:
>> IFC errata A003399 is valid for IFC NOR boot i.e.if no on-board NOR
>> flash or
>> no NOR boot, do not compile its workaround.
>>
>> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
>> ---
>> Based upon git://git.denx.de/u-boot.git branch master
>> Changes for v2:
>> - Add CONFIG_A003399_NOR_WORKAROUND for errata workaround
>> - Add CONFIG_A003399_NOR_WORKAROUND in README
>>
>> README | 4 ++++
>> arch/powerpc/cpu/mpc85xx/cpu_init_early.c | 9 ++++++---
>> arch/powerpc/cpu/mpc8xxx/fsl_ifc.c | 2 +-
>> 3 files changed, 11 insertions(+), 4 deletions(-)
>>
>> diff --git a/README b/README
>> index 7f2506a..c4ad69d 100644
>> --- a/README
>> +++ b/README
>> @@ -414,6 +414,10 @@ The following options need to be configured:
>> See Freescale App Note 4493 for more information about
>> this erratum.
>>
>> + CONFIG_A003399_NOR_WORKAROUND
>> + Enables a workaround for IFC erratum A003399. It is only
>> + requred during NOR boot.
>> +
>> CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY
>>
>> This is the value to write into CCSR offset 0x18600
>> diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
>> b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
>> index dacfdd1..3a4bfc5 100644
>> --- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
>> +++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
>> @@ -25,7 +25,8 @@
>>
>> DECLARE_GLOBAL_DATA_PTR;
>>
>> -#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) &&
>> !defined(CONFIG_SYS_RAMBOOT)
>> +#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399)\
>> + && defined(CONFIG_A003399_NOR_WORKAROUND)
>
> Why would CONFIG_A003399_NOR_WORKAROUND be enabled if
> CONFIG_SYS_FSL_ERRATUM_IFC_A003399 isn't?
originally i tried the same but it did not work. As P1010RDB.h does not
include config_mpc85xx.h. Only arch/powerpc/cpu/mpc85xx/*.c files
includes both P1010RDB.h and config_mpc85xx.h
Regards,
Prabhakar
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