summaryrefslogtreecommitdiff
path: root/src/mainboard/google/guado/thermal.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/google/guado/thermal.h')
-rw-r--r--src/mainboard/google/guado/thermal.h55
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