coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
thermal.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #ifndef THERMAL_H
4 #define THERMAL_H
5 
6 /*
7  * Picasso Thermal Requirements
8  * TDP (W) 15
9  * T die,max (°C) 105
10  * T ctl,max 105
11  * T die,lmt (default) 100
12  * T ctl,lmt (default) 100
13  */
14 
15 /* Control TDP Settings */
16 #define CTL_TDP_SENSOR_ID 2 /* EC TIN2 */
17 
18 /* Temperature which OS will shutdown at */
19 #define CRITICAL_TEMPERATURE 104
20 
21 /* Temperature which OS will throttle CPU */
22 #define PASSIVE_TEMPERATURE 95
23 
24 #endif