If a mainboard has RECOVERY_MRC_CACHE and the recovery mode is enabled,
then use APOB data from that section and make any updates to that
section. Otherwise continue to use DEFAULT_MRC_CACHE section.
BUG=b:270569389
TEST=Build and boot to OS in Skyrim.
When in normal mode, DEFAULT_MRC_CACHE is used.
Normal Mode Boot1:
------------------
[DEBUG] FMAP: area RW_MRC_CACHE found @ 0 (122880 bytes)
[INFO ] APOB RAM hash differs from flash
[SPEW ] Copy APOB from RAM 0x02001000/0x1db18 to flash 0x0/0x1e000
[DEBUG] FMAP: area RW_MRC_CACHE found @ 0 (122880 bytes)
[DEBUG] SF: Successfully erased 122880 bytes @ 0x0
[INFO ] Updated APOB in flash
Normal Mode Boot2:
-----------------
[DEBUG] FMAP: area RW_MRC_CACHE found @ 0 (122880 bytes)
[DEBUG] APOB hash matches flash
When the device is in recovery mode, RECOVERY_MRC_CACHE is used.
Recovery Mode Boot1:
--------------------
[DEBUG] FMAP: area RECOVERY_MRC_CACHE found @ 650000 (122880 bytes)
[INFO ] APOB RAM hash differs from flash
[SPEW ] Copy APOB from RAM 0x02001000/0x1db18 to flash 0x650000/0x1e000
[DEBUG] FMAP: area RECOVERY_MRC_CACHE found @ 650000 (122880 bytes)
[DEBUG] SF: Successfully erased 122880 bytes @ 0x650000
[INFO ] Updated APOB in flash
Recovery Mode Boot2:
--------------------
[DEBUG] FMAP: area RECOVERY_MRC_CACHE found @ 650000 (122880 bytes)
[DEBUG] APOB hash matches flash
Switch from Recovery Mode to Normal Mode:
-----------------------------------------
[DEBUG] FMAP: area RW_MRC_CACHE found @ 0 (122880 bytes)
[DEBUG] APOB hash matches flash
Switch from Normal Mode to Recovery Mode:
-----------------------------------------
[DEBUG] FMAP: area RECOVERY_MRC_CACHE found @ 650000 (122880 bytes)
[DEBUG] APOB hash matches flash
Change-Id: I93f357e407c98b6e5fca495f4f779fad54a3430f
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73168
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
674b07247e