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mb/google/brya: Disable SaGV support for agah variant 

agah proto boards with i7 silicon face boot issues due to high power
consumption during MRC training.

This patch is a temporary WA to run in SAGV disabled mode while the
thermal issue is being investigated.

BUG=b:234402102
BRANCH=firmware-brya-14505.B
TEST=Build CB image and boot on agah board.

Change-Id: I431d233b23fb4f5c68117ea380fdec5646b88346
Signed-off-by: Anil Kumar <anil.kumar.k@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65300
Reviewed-by: Selma Bensaid <selma.bensaid@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
This commit is contained in:
Anil Kumar 2022-06-21 11:41:56 -07:00 committed by Felix Held
parent 75926254b6
commit f136ddb9fa
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/brya/variants/agah/overridetree.cb
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@ -30,7 +30,7 @@ chip soc/intel/alderlake
},
}"
register "sagv" = "SaGv_Enabled"
register "sagv" = "SaGv_Disabled"
register "tcss_aux_ori" = "0x10"
register "typec_aux_bias_pads[2]" = "{.pad_auxp_dc = GPP_E22, .pad_auxn_dc = GPP_E23}"