[coreboot] MRC saving for apollolake
Antony AbeePrakash X V
AntonyAbee.PrakashXV at LntTechservices.com
Mon Sep 10 15:28:18 CEST 2018
We are developing coreboot for Apollo lake custom board.
We would like to reduce the boot time. For this,
* Enabled "MRC training data save" in FSP2_0 using Binary configuration tool.
But we are receiving the following logs:
NVM Write Failed. Update is lost. If repeatedly encountered, clear GPP4 and try again
Saved MRC training data with status (0x80000007)
We would like to get clarification for the following:
1. Can we cache and save MRC training data for Apollo lake platform ?
2. Will it be done through CSE using HECI interface or through the SPI read/write operation in the NVRAM ?
3. Do we need to add Mrc.bin file with coreboot? If yes, where can we get the same ?
Thanks & Regards,
L&T Technology Services Ltd
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