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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 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.
*
* 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 <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <arch/io.h>
#ifdef __PRE_RAM__
#include <arch/romcc_io.h>
#else
#include <device/device.h>
#include <device/pci.h>
#endif
#include <southbridge/intel/lynxpoint/pch.h>
#ifndef __PRE_RAM__
#include <boot/coreboot_tables.h>
#include <arch/coreboot_tables.h>
#define GPIO_COUNT 6
#define ACTIVE_LOW 0
#define ACTIVE_HIGH 1
static void fill_lb_gpio(struct lb_gpio *gpio, int num,
int polarity, const char *name, int force)
{
memset(gpio, 0, sizeof(*gpio));
gpio->port = num;
gpio->polarity = polarity;
if (force >= 0)
gpio->value = force;
else if (num >= 0)
gpio->value = get_gpio(num);
strncpy((char *)gpio->name, name, GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *gpio;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
gpio = gpios->gpios;
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery", 0); // force off
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer", 1); // force on
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", 1); // force open
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", oprom_is_loaded);
}
#endif
int get_developer_mode_switch(void)
{
return 1; // force on
}
int get_recovery_mode_switch(void)
{
return 0; // force off
}
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