Add support for Sandybridge based Samsung ChromeBook

Change-Id: I8bf439bc903c1ec105016866753c7cb9ccfe5974
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/952
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/mainboard/samsung/lumpy/ec.c b/src/mainboard/samsung/lumpy/ec.c
new file mode 100644
index 0000000000..40d831987d
--- /dev/null
+++ b/src/mainboard/samsung/lumpy/ec.c
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/acpi.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <types.h>
+#include <console/console.h>
+#include <ec/smsc/mec1308/ec.h>
+#include "ec.h"
+
+void lumpy_ec_init(void)
+{
+	printk(BIOS_DEBUG, "lumpy_ec_init\n");
+
+	if (acpi_slp_type == 3)
+		return;
+
+	/*
+	 * Enable EC control of fan speed.
+	 *
+	 * This will be changed to OS control in ACPI EC _REG
+	 * method when the OS is ready to control the fan.
+	 */
+	ec_write(EC_FAN_SPEED, 0);
+
+	send_ec_command_data(EC_BATTERY_MODE, EC_BATTERY_MODE_NORMAL);
+	send_ec_command_data(EC_POWER_BUTTON_MODE, EC_POWER_BUTTON_MODE_OS);
+}