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authorZheng Bao <fishbaozi@gmail.com>2024-08-29 15:49:17 +0800
committerFelix Held <felix-coreboot@felixheld.de>2024-09-09 12:57:50 +0000
commitb23382c54b3f33133c12e2ce8fe826f306761b1d (patch)
treefe6ee31d6f4a23cb32c48148fa63d1f5e6d36da9 /tests/drivers
parent2c16092a21da83b89ea61b459eecc387966caf8c (diff)
soc/amd/cezanne: Add an option to enable A/B recovery scheme
Extracted from NDA spec #56995: "The A/B recovery scheme formally separates the SPI flash space into different partitions; a primary, “A” and secondary, “B”, which hold the same set of system firmware. Under this scheme, the partitions A and B can hold identical contents initially, but each partition can be updated individually. Normally the system boots from partition A, but if the A partition is found to be corrupted, the system will switch to partition B and boot. The OEM BIOS can then choose to continue the boot from partition B, or repair partition A using contents from partition B." The Cezanne platform supports both A/B recovery and no recovery method. It needs this flag passed to amdfwtool to enable the A/B recovery layout. Change-Id: Id1c8028faee9c544628d65fd77be2a378ed7eab6 Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/84195 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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