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Diffstat (limited to 'src/mainboard/google/guado/thermal.h')
| -rw-r--r-- | src/mainboard/google/guado/thermal.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/mainboard/google/guado/thermal.h b/src/mainboard/google/guado/thermal.h new file mode 100644 index 0000000000..685b988ecd --- /dev/null +++ b/src/mainboard/google/guado/thermal.h @@ -0,0 +1,55 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 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 + +#define TEMPERATURE_SENSOR_ID 0 /* PECI */ + +/* 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 0x55 + +/* Fan is at MEDIUM speed */ +#define FAN2_THRESHOLD_OFF 55 +#define FAN2_THRESHOLD_ON 67 +#define FAN2_PWM 0xa6 + +/* Fan is at HIGH speed */ +#define FAN1_THRESHOLD_OFF 65 +#define FAN1_THRESHOLD_ON 70 +#define FAN1_PWM 0xc0 + +/* Fan is at FULL speed */ +#define FAN0_THRESHOLD_OFF 90 +#define FAN0_THRESHOLD_ON 100 +#define FAN0_PWM 0xff + +/* Temperature which OS will shutdown at */ +#define CRITICAL_TEMPERATURE 104 + +/* Temperature which OS will throttle CPU */ +#define PASSIVE_TEMPERATURE 95 + +/* Tj_max value for calculating PECI CPU temperature */ +#define MAX_TEMPERATURE 105 + +#endif |