From 0d7685e116f0ad4440390aed605c9f372b9b547a Mon Sep 17 00:00:00 2001 From: Jamie Ryu Date: Mon, 14 Oct 2024 22:26:57 -0700 Subject: mb/google/fatcat: Disable C1 state auto-demotion for ES SoC This disables C1 state auto-demotion to run the coreboot with Panther Lake ES SoC without an issue. This configuration will be remove later once the related features are fully verified. BUG=b:373915085 TEST=Build fatcat and check the platform boots without an issue. Change-Id: I384dba2918cfd04deb90284513c204fa8c21094b Signed-off-by: Jamie Ryu Reviewed-on: https://review.coreboot.org/c/coreboot/+/84767 Reviewed-by: Dinesh Gehlot Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik Reviewed-by: Jayvik Desai --- src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mainboard/google/fatcat') diff --git a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb index f73cae1f14..01bb2d81b2 100644 --- a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb +++ b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb @@ -33,6 +33,10 @@ chip soc/intel/pantherlake # DPTF enable register "dptf_enable" = "false" + # TODO: Safe Setting. Needs to be removed later + # Disable C1 C-state auto-demotion + register "disable_c1_state_auto_demotion" = "true" + # Enable CNVi BT register "cnvi_bt_core" = "true" -- cgit v1.2.3