[coreboot-gerrit] Change in coreboot[master]: lib/fmap: Cache FMAP in cbmem

[Aaron Durbin (Code Review)]

Aaron Durbin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/35377 )

Change subject: lib/fmap: Cache FMAP in cbmem
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Patch Set 13:
> Patch Set 13:
>
> This change is very likely causing an issue. Testing drallion FW R79-12542 .. R79-12546 on moffett arcada_cml, dut is not booting up to dev screen:
>
> Wipe memory regions:
>    [0x00000000001000, 0x000000000a0000)
>    [0x00000000100000, 0x00000030000000)
>    [0x00000032639b60, 0x00000099a3e000)
>    [0x00000100000000, 0x0000025c800000)
> EC: disable power button
> Calling VbSelectAndLoadKernel().
> cr50 TPM 2.0 (i2c 0x50 id 0x28)
> tpm_get_response: command 0x14e, return code 0x0
> ReadSpaceKernel: TPM: read secdata_kernel: 02 4c 57 52 47 01 00 01 00 00 00 00 55
> RollbackKernelRead: TPM: RollbackKernelRead 0x10001
> tpm_get_response: command 0x14e, return code 0x28b
> RollbackFwmpRead: TPM: no FWMP space
> VbSelectAndLoadKernel: GBB flags are 0x2b9
> vb2_developer_ui: Entering
> vboot_draw_screen: screen=0x101 locale=0
> Bad signature on the FMAP.

There's a fix here: https://review.coreboot.org/c/coreboot/+/35639