[coreboot-gerrit] Change in coreboot[master]: nb/amd/agesa: select ROMSTAGE_CACHED_CBMEM

[Kyösti Mälkki (Code Review)]

Kyösti Mälkki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37198 )

Change subject: nb/amd/agesa: select ROMSTAGE_CACHED_CBMEM
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Patch Set 7:

That AGESA (or any blob) manipulates MTRRs is discouraged and I understand such behaviour was removed for amd/stoneyridge.

Also, src/vendorcode/amd/agesa/f14/Legacy/Proc/hobTransfer.c shows there is some back-and-forth copying of AGESA heap. The code is form of CAR migration with intermediate buffer kept as uncacheable.