Re: RW_MRC_CACHE always displays needs update and boot time is more

Hi Paul,
>
> Thanks for your reply.
>
> I figured out the issue.
>
> The ME CPU replayed option is printing as YES, and this forces the MRC
> training on each reset.
>
> Updated the ME firmware, and the issue was solved.
>
> Regards,
> Moorthi S
> On Wed, Jul 31, 2024, 12:02 Paul Menzel <[email protected]> wrote:
>
>> Dear Moorthi,
>>
>>
>> Welcome to coreboot.
>>
>> Am 31.07.24 um 07:45 schrieb Moorthi M.s:
>>
>> > I am developing coreboot (ver 4.17) along with UEFI payload for a custom
>> > board derived from CFL H RVP11 CRB.
>> >
>> > I included the CACHE_MRC_SETTINGS to reduce the boot time on subsequent
>> > power on.
>> >
>> > But the time was not reducing and on every power on, around 18 seconds
>> are
>> > taking between post code 0x92 (Ram Init) and 0x98 (Ram Init Exit). And
>> > always prints as " MRC: cache data 'RW_MRC_CACHE' needs update".
>> >
>> > Because of this coreboot takes around 45 secs to boot.
>> >
>> > Why every time the MRC cache data is changing? Why the processor is not
>> > using the MRC cached data?
>>
>> Without knowing the code you are using, nobody knows. Did you dump the
>> cache data to compare?
>>
>> > Is there any other configurations needs to be done?
>> Unfortunately, you did not provide enough information to answer your
>> question. Please provide at least your configuration and the verbose
>> logs. Best would be to upload your code (and the schematics).
>>
>> Also, why do you use coreboot 4.17? 24.05 is the latest release.
>>
>>
>> Kind regards,
>>
>> Paul
>>
>>
>> PS: Just to mention it, there are coreboot consultants [1], that might
>> save you some time in the end.
>>
>>
>> [1]: https://coreboot.org/consulting.html
>>
>

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