tree 4549d53e7560f22d023d3eda0448b45411a276f1
parent 9629f94c4e7acd50a198cdec90418e3a2405127c
author Subrata Banik <subratabanik@google.com> 1680787083 +0530
committer Subrata Banik <subratabanik@google.com> 1681213123 +0000

mb/intel/mtlrvp: Update Flash Layout to fit WP_RO within 4MB

This patch updates the MTLRVP flash layout to optimize WP_RO to 4MB.

Changes for chromeos.fmd:

SI_BIOS:
     RW_SECTION_A/B: Reduce to 7MB.
     RW_LEGACY: Reduce to 1MB.
     RW_MISC: Increased to 1MB.
     RW_UNUSED: 3MB (reserved)
     WP_RO: Reduce to 4MB

Additionally, ensure RW_SECTION_B region starts at 16MB boundary in the
SPI Flash.

BUG=b:277143384
TEST=Able to build and boot intel/mtlrvp with FSP release and debug image.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Ibd1ea7a3a2cd21928b8e33473c7bdddfad17c636
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74252
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>