coreboot-kgpe-d16/src/mainboard/samsung/lumpy/ec.c
Stefan Reinauer 155e9b5533 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>
2012-04-30 23:09:10 +02:00

44 lines
1.4 KiB
C

/*
* 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);
}