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soc/intel/alderlake: Make Energy Efficient Turbo configurable

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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 <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86855
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sean Rhodes 2025-03-14 08:44:23 +00:00
commit 3ff85e5dcd
2 changed files with 4 additions and 1 deletions
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3
src/soc/intel/alderlake/chip.h
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@ -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

2
src/soc/intel/alderlake/fsp_params.c
View file

@ -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 =