Change in coreboot[master]: [RFC|WIP] soc/intel/skylake: replace native SGX initialization by FSP

[Pratikkumar V Prajapati (Code Review)]

Pratikkumar V Prajapati has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/44244 )

Change subject: [RFC|WIP] soc/intel/skylake: replace native SGX initialization by FSP
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Patch Set 2:

if i remember correctly, this programming sequence requirement was from cannon-lake onwards. skylake/kabylake can still use native (coreboot) sgx init flow.

From cannon-lake onwards, sgx init needs fsp for the reasons mentioned in https://review.coreboot.org/c/coreboot/+/36356/2/src/soc/intel/cannonlake/fi.... i guess mp-ppi may also be used for cannon-lake onwards. Please follow Nate's recommendation for that.

PS: I see my gmail was added earlier and that notification was in spam. Thanks for adding my @intel email. I am off next week, I’ll respond the following week if there are follow-up questions.


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Gerrit-Project: coreboot
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Gerrit-Change-Id: I4251c6f1155ae7d1f0cd9064af55cd346ec88845
Gerrit-Change-Number: 44244
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