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authorAnil Kumar <anil.kumar.k@intel.com>2023-05-01 11:44:47 -0700
committerSubrata Banik <subratabanik@google.com>2023-10-04 05:51:19 +0000
commita2d10bb029e7da6d18f50cc694b9da54deb462b2 (patch)
treeef295b496e9403c6c8e297db37b456abd4720099 /src/cpu/qemu-power8
parent7b2edc3b6b5ecd37112d5e07f4601b68b2aea038 (diff)
soc/intel/cse: Check PSR bit before issuing PSR backup command
Get PSR bit state using MKHI_FWCAPS_GET_FW_FEATURE_STATE HECI command Use this bit info to check if SKU supports PSR and consequently issue PSR_HECI_FW_DOWNGRADE_BACKUP command for PSR data backup during downgrade. BUG=b:273207144 TEST=build CB image and boot on google/rex board. Check for "PSR is supported in this SKU" message in coreboot logs to confirm that PSR bit is set in SKU Signed-off-by: Anil Kumar <anil.kumar.k@intel.com> Change-Id: I6e92341a9dc799146eb8f1a70b3a4a16fd1aa0ae Reviewed-on: https://review.coreboot.org/c/coreboot/+/74874 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/cpu/qemu-power8')
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