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/*
* 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.
*/
/* VR Settings for each domain */
#ifndef _SOC_VR_CONFIG_H_
#define _SOC_VR_CONFIG_H_
#include <fsp/api.h>
struct vr_config {
/* The below settings will take effect when this is set to 1
* for that domain. */
uint8_t vr_config_enable;
/* Power State X current cuttof in 1/4 Amp increments
* Range is 0-128A */
uint16_t psi1threshold;
uint16_t psi2threshold;
uint16_t psi3threshold;
/* Enable power state 3/4 for different domains */
uint8_t psi3enable;
uint8_t psi4enable;
/* Imon slope correction. Specified in 1/100 increment
* values. Range is 0-200. 125 = 1.25 */
uint8_t imon_slope;
/* Imon offset correction. Units 1/1000, Range 0-63999
* For an offset = 12.580, use 12580. 0 = Auto */
uint8_t imon_offset;
/* VR Icc Max limit. 0-255A in 1/4 A units. 400 = 100A */
uint16_t icc_max;
/* VR Voltage Limit. Range is 0-7999mV */
uint16_t voltage_limit;
/* AC and DC Loadline in 1/100 mOhms. Range is 0-6249 */
uint16_t ac_loadline;
uint16_t dc_loadline;
};
/* VrConfig Settings for 4 domains
* 0 = System Agent, 1 = IA Core,
* 2 = GT unsliced, 3 = GT sliced */
enum vr_domain {
VR_SYSTEM_AGENT,
VR_IA_CORE,
VR_GT_UNSLICED,
VR_GT_SLICED,
NUM_VR_DOMAINS
};
#endif
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