coreboot-kgpe-d16/src/mainboard/google/panther/thermal.h

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 Google Inc.
 *
 * 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.
 */

#ifndef THERMAL_H
#define THERMAL_H

/* Fan is OFF */
#define FAN4_THRESHOLD_OFF	0
#define FAN4_THRESHOLD_ON	0
#define FAN4_PWM		0x00

/* Fan is at LOW speed */
#define FAN3_THRESHOLD_OFF	40
#define FAN3_THRESHOLD_ON	50
#define FAN3_PWM		0x5a

/* Fan is at MEDIUM speed */
#define FAN2_THRESHOLD_OFF	58
#define FAN2_THRESHOLD_ON	67
#define FAN2_PWM		0xa6

/* Fan is at HIGH speed */
#define FAN1_THRESHOLD_OFF	67
#define FAN1_THRESHOLD_ON	75
#define FAN1_PWM		0xc0

/* Fan is at FULL speed */
#define FAN0_THRESHOLD_OFF	85
#define FAN0_THRESHOLD_ON	90
#define FAN0_PWM		0xff

/* Temperature which OS will shutdown at */
#define CRITICAL_TEMPERATURE	98

/* Temperature which OS will throttle CPU */
#define PASSIVE_TEMPERATURE	90

/* Tj_max value for calculating PECI CPU temperature */
#define MAX_TEMPERATURE		100

#endif /* THERMAL_H */