From 155e9b5533131f4b944ebb7e5714a871a1294dda Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Fri, 27 Apr 2012 23:19:58 +0200 Subject: Add support for Sandybridge based Samsung ChromeBook Change-Id: I8bf439bc903c1ec105016866753c7cb9ccfe5974 Signed-off-by: Stefan Reinauer Reviewed-on: http://review.coreboot.org/952 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich --- src/mainboard/samsung/lumpy/ec.c | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/mainboard/samsung/lumpy/ec.c (limited to 'src/mainboard/samsung/lumpy/ec.c') 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 +#include +#include +#include +#include +#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); +} -- cgit v1.2.3