[U-Boot] [PATCH 2/3] powerpc/p1010rdb: SECURE BOOT- enable workaround for IFC errata A003399

[aneesh.bansal at freescale.com]

>> The workaround for IFC errata A003399 was not enabled
>> in case of secure boot. So, secure boot from NOR was not
>> working.
>>
>> Signed-off-by: Aneesh Bansal <aneesh.bansal at freescale.com>
>> ---
>>  include/configs/P1010RDB.h | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
>> index c21cf07..b0e51fb 100644
>> --- a/include/configs/P1010RDB.h
>> +++ b/include/configs/P1010RDB.h
>> @@ -455,8 +455,7 @@ extern unsigned long get_sdram_size(void);
>>  #endif
>>
>>  #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A003399
>> -#if !defined(CONFIG_SPL) && !defined(CONFIG_SYS_RAMBOOT)\
>> -     && !defined(CONFIG_SECURE_BOOT)
>> +#if !defined(CONFIG_SPL) && !defined(CONFIG_SYS_RAMBOOT)
>>  #define CONFIG_A003399_NOR_WORKAROUND
>>  #endif
>>  #endif
>
>Why do you need the workaround?  Doesn't secure boot involve the bootrom
>loading U-Boot into SRAM, rather than execute-in-place from NOR?
>
>-Scott

The Boot ROM code does not copy the U-boot from NOR into SRAM. In case of secure boot from NOR, it is executed as an execute-in-place memory and so this workaround is required.

Regards,
Aneesh Bansal