diff options
Diffstat (limited to 'src/soc/intel/cannonlake/vr_config.c')
| -rw-r--r-- | src/soc/intel/cannonlake/vr_config.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/vr_config.c b/src/soc/intel/cannonlake/vr_config.c new file mode 100644 index 0000000000..fff68c7e18 --- /dev/null +++ b/src/soc/intel/cannonlake/vr_config.c @@ -0,0 +1,52 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <fsp/api.h> +#include <soc/ramstage.h> +#include <soc/vr_config.h> + +static const struct vr_config default_configs[NUM_VR_DOMAINS] = { + /* TODO: define this*/ +}; + +void fill_vr_domain_config(void *params, + int domain, const struct vr_config *chip_cfg) +{ + FSP_S_CONFIG *vr_params = (FSP_S_CONFIG *)params; + const struct vr_config *cfg; + + if (domain < 0 || domain >= NUM_VR_DOMAINS) + return; + + /* Use device tree override if requested. */ + if (chip_cfg->vr_config_enable) + cfg = chip_cfg; + else + cfg = &default_configs[domain]; + + vr_params->VrConfigEnable[domain] = cfg->vr_config_enable; + vr_params->Psi1Threshold[domain] = cfg->psi1threshold; + vr_params->Psi2Threshold[domain] = cfg->psi2threshold; + vr_params->Psi3Threshold[domain] = cfg->psi3threshold; + vr_params->Psi3Enable[domain] = cfg->psi3enable; + vr_params->Psi4Enable[domain] = cfg->psi4enable; + vr_params->ImonSlope[domain] = cfg->imon_slope; + vr_params->ImonOffset[domain] = cfg->imon_offset; + vr_params->IccMax[domain] = cfg->icc_max; + vr_params->VrVoltageLimit[domain] = cfg->voltage_limit; + vr_params->AcLoadline[domain] = cfg->ac_loadline; + vr_params->DcLoadline[domain] = cfg->dc_loadline; +} |