From 3ff85e5dcd23ec7c77b9338fb59102d85942a933 Mon Sep 17 00:00:00 2001 From: Sean Rhodes Date: Fri, 14 Mar 2025 08:44:23 +0000 Subject: [PATCH] soc/intel/alderlake: Make Energy Efficient Turbo configurable Hook up Energy Efficient Turbo to devicetree so it can be configured. The default value of 0 will ensure this doesn't change existing boards. Change-Id: I58a9877371ec66e71cee15aced2413a282416b5c Signed-off-by: Sean Rhodes Reviewed-on: https://review.coreboot.org/c/coreboot/+/86855 Reviewed-by: Matt DeVillier Tested-by: build bot (Jenkins) --- src/soc/intel/alderlake/chip.h | 3 +++ src/soc/intel/alderlake/fsp_params.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index 5b1dabb1a0..6a95918d54 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -596,6 +596,9 @@ struct soc_intel_alderlake_config { */ bool dmi_power_optimize_disable; + /* Enable/Disable Energy Efficient Turbo */ + bool energy_efficient_turbo; + /* * Used to communicate the power delivery design capability of the board. This * value is an enum of the available power delivery segments that are defined in diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c index 6b652f65fd..caa4b98807 100644 --- a/src/soc/intel/alderlake/fsp_params.c +++ b/src/soc/intel/alderlake/fsp_params.c @@ -1011,7 +1011,7 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg, s_cfg->PkgCStateLimit = LIMIT_AUTO; /* Disable Energy Efficient Turbo mode */ - s_cfg->EnergyEfficientTurbo = 0; + s_cfg->EnergyEfficientTurbo = config->energy_efficient_turbo; /* VccIn Aux Imon IccMax. Values are in 1/4 Amp increments and range is 0-512. */ s_cfg->VccInAuxImonIccImax =