[coreboot] [Haswell i7-4600U]: How can I decide which MRC.bin match my board

Zheng Bao fishbaoz at hotmail.com
Wed Jan 24 16:12:56 CET 2018


Or, I can ask my quesion in another way.

After extract the shellball of chromebook, how can I know what the processor exactly is?


Zheng

________________________________
From: coreboot <coreboot-bounces at coreboot.org> on behalf of Zheng Bao <fishbaoz at hotmail.com>
Sent: Wednesday, January 24, 2018 2:53 PM
To: Robert Reeves
Cc: coreboot at coreboot.org
Subject: Re: [coreboot] [Haswell i7-4600U]: How can I decide which MRC.bin match my board


But it seems that ifdtool can only get ME, not MRC.




Zheng


________________________________
From: Robert Reeves <xiinc37 at gmail.com>
Sent: Wednesday, January 24, 2018 1:35 PM
To: Zheng Bao
Cc: coreboot at coreboot.org
Subject: Re: [coreboot] [Haswell i7-4600U]: How can I decide which MRC.bin match my board

They might not be the same. I would try using ifdtool to get an mrc.bin from a rom for your specific board.

Rob

On Jan 24, 2018 5:53 AM, Zheng Bao <fishbaoz at hotmail.com> wrote:
>
> Hi, All,
> The output of my board is attached below. The MRC.bin is extracted from panther, which I assume matches my board.
> But the meminit fails. Do all the haswell use the same MRC, or how can I decide which mrc.bin is the one I should extract?
>
> Thanks.
>
> Zheng
>
> coreboot-4.6-894-ga26344d-dirty Wed Jan 24 05:38:45 UTC 2018 romstage starting...
> Disabling Watchdog reboot... done.
> SMBus controller enabled.
> Setting up static northbridge registers... done.
> Initializing Graphics...
> Back from haswell_early_initialization()
> CPU id(40651) ucode:0000001c Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz
> AES supported, TXT supported, VT supported
> PCH type: LP Premium, device id: 9c43, rev id 4
> Starting UEFI PEI System Agent ___
> CBFS: 'Master Header Locator' located CBFS at [300100:3fffc0)
> CBFS: Locating 'mrc.cache'
> CBFS: Found @ offset fec0 size 10000
> find_current_mrc_cache_local: No valid MRC cache found.
> CBFS: 'Master Header Locator' located CBFS at [300100:3fffc0)
> CBFS: Locating 'mrc.bin'
> CBFS: Found @ offset 9fec0 size 2eb04
> System Agent: Starting up...
> System Agent: Initializing PCH
> install_ppi: overwrite GUID {ed097352-9041-445a-80b6-b29d509e8845}
> install_ppi: overwrite GUID {908c7f8b-5c48-47fb-8357-f5fd4e235276}
> System Agent: Initializing PCH (SMBUS)
> System Agent: Initializing PCH (USB)
> System Agent: Initializing PCH (SA Init)
> System Agent: Initializing PCH (Me UMA)
> System Agent: Initializing Memory
> System Agent: Done.
> Sanity checking heap.
> sdram_initialize,153: rv=0
> here.
> sdram_initialize,186
> sdram_initialize,189
> ME: FW Partition Table      : OK
> ME: Bringup Loader Failure  : NO
> ME: Firmware Init Complete  : NO
> ME: Manufacturing Mode      : YES
> ME: Boot Options Present    : NO
> ME: Update In Progress      : NO
> ME: Current Working State   : Normal
> ME: Current Operation State : Bring up
> ME: Current Operation Mode  : Security Override via Jumper
> ME: Error Code              : No Error
> ME: Progress Phase          : BUP Phase
> ME: Power Management Event  : Pseudo-global reset
> ME: Progress Phase State    : 0x66
> RAM INIT FAILURE!
>
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