src/mainboard/google/jecht/thermal.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2014 Google Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef THERMAL_H
  17 #define THERMAL_H
  18
  19 #define TEMPERATURE_SENSOR_ID           0       /* PECI */
  20
  21 /* Fan is OFF */
  22 #define FAN4_THRESHOLD_OFF      0
  23 #define FAN4_THRESHOLD_ON       0
  24 #define FAN4_PWM                0x00
  25
  26 /* Fan is at LOW speed */
  27 #define FAN3_THRESHOLD_OFF      50
  28 #define FAN3_THRESHOLD_ON       55
  29 #define FAN3_PWM                0x76
  30
  31 /* Fan is at MEDIUM speed */
  32 #define FAN2_THRESHOLD_OFF      59
  33 #define FAN2_THRESHOLD_ON       65
  34 #define FAN2_PWM                0x98
  35
  36 /* Fan is at HIGH speed */
  37 #define FAN1_THRESHOLD_OFF      68
  38 #define FAN1_THRESHOLD_ON       75
  39 #define FAN1_PWM                0xbf
  40
  41 /* Fan is at FULL speed */
  42 #define FAN0_THRESHOLD_OFF      80
  43 #define FAN0_THRESHOLD_ON       86
  44 #define FAN0_PWM                0xdc
  45
  46 /* Temperature which OS will shutdown at */
  47 #define CRITICAL_TEMPERATURE            98
  48
  49 /* Temperature which OS will throttle CPU */
  50 #define PASSIVE_TEMPERATURE             95
  51
  52 /* Tj_max value for calculating PECI CPU temperature */
  53 #define MAX_TEMPERATURE                 105
  54
  55 #endif