1 files changed, 47 insertions, 0 deletions
diff --git a/board/quawks/thermal_shutdown.c b/board/quawks/thermal_shutdown.c
new file mode 100644
index 0000000000..9730363d9e
--- /dev/null
+++ b/board/quawks/thermal_shutdown.c
@@ -0,0 +1,47 @@
+/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/*
+ * Pure hardware thermal shutdown via TMP432 for Quawks.
+ */
+
+#include "board.h"
+#include "console.h"
+#include "hooks.h"
+#include "tmp432.h"
+#include "i2c.h"
+
+#define CPRINTF(format, args...) cprintf(CC_THERMAL, format, ## args)
+
+#define THERMAL_SHUTDOWN_TEMP 76
+
+/**
+ * Set pure hardware thermal shutdown temperature via TMP432.
+ *
+ * The target temperature value is set in board.h.
+ */
+static void set_pure_hardware_thermal_shutdown_temp(void)
+{
+	int value;
+
+	if ( i2c_write8(
+			I2C_PORT_THERMAL,
+			TMP432_I2C_ADDR,
+			TMP432_LOCAL_THERM_LIMIT, THERMAL_SHUTDOWN_TEMP) >= 0 &&
+		 i2c_read8(
+			I2C_PORT_THERMAL,
+			TMP432_I2C_ADDR,
+			TMP432_LOCAL_THERM_LIMIT, &value) >= 0)
+	{
+		CPRINTF("[%T TMP432_LOCAL_THERM_LIMIT now = %dC]\n", value);
+	}
+	else
+	{
+		CPRINTF("[%T Failed to set shutdown temp!!]\n");
+	}
+}
+DECLARE_HOOK( HOOK_CHIPSET_STARTUP,
+		set_pure_hardware_thermal_shutdown_temp,
+		HOOK_PRIO_DEFAULT);