PRR and FLOCKDN are not set

[osresearch]

trafficstars

The protected range registers and flash lockdown should be set before invoking the kexec.

[osresearch]

Discussion of this on the coreboot mailing list: https://mail.coreboot.org/pipermail/coreboot/2017-July/084766.html

[tlaurion]

@osresearch :

The finalization procedure usually doesn't lock the SPI flash. We added some options to Sandy/Ivy Bridge (mistakenly called LOCK_SPI_ON_RESUME_) but those were never ported to newer chipsets, AFAIK." SRC: https://mail.coreboot.org/pipermail/coreboot/2017-July/084770.html

[tlaurion]

#326