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mb/google/fatcat: Increase Fast VMode I_TRIP threshold to 63A

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Change I_TRIP value from 38A to 63A.
Reference: Intel doc 861712

Bug=none
TEST=Boot to OS and verify I_TRIP value via boot logs

Before: IccLimit[0] : 0x98

After: IccLimit[0] : 0xFC

Change-Id: I88687bd481f6e8fc7ef0c9289e7066e59b2a8ea5
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89125
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Bora Guvendik 2025-09-09 11:41:50 -07:00 • committed by Matt DeVillier
commit 2b1809e026
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb
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@ -91,7 +91,7 @@ chip soc/intel/pantherlake
[VR_DOMAIN_SA] = 38 * 4
}"
register "fast_vmode_i_trip[PTL_U_2_CORE]" = "{
[VR_DOMAIN_IA] = 38 * 4,
[VR_DOMAIN_IA] = 63 * 4,
[VR_DOMAIN_GT] = 38 * 4,
[VR_DOMAIN_SA] = 38 * 4
}"