[U-Boot] [PATCH] armv8/ls1043a: Add the OCRAM initialization

[york sun]

On 10/24/2016 09:30 PM, Calvin Johnson wrote:

>>>> I wonder why we don't see ECC errors before this patch. We have
>>>> LS1043A boots on NAND, SD.
>>>>
>>>
>>> OCRAM has a requirement of initializing before first time "read".
>>> If user reads OCRAM before **initializing**; ECC error will come.  (u-boot is not handling this error for now).
>>>
>>> I can only guess the reason of not seeing this error as OCRAM never read before any write.
>>> Even in case of Stack, data is first written and then read.
>>>
>>
>> Is there a case you want to read from OCRAM before writing anything to it? Why don't we need to do so for SPL or LSCH3?
>
> This issue will be seen ONLY in secure boot. It was reproduced on LS1043A also.
>

How about LSCH3? We have LS2080A secure boot.

York