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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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.
*/
#include <string.h>
#include <bootmode.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include <vendorcode/google/chromeos/chromeos.h>
#ifndef __PRE_RAM__
#include <boot/coreboot_tables.h>
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO57 = PCH_SPI_WP_D */
{57, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
/* Lid: the "switch" comes from the EC */
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button: hard-coded as not pressed; we'll detect later
* presses via SMI. */
{-1, ACTIVE_HIGH, 0, "power"},
/* Did we load the VGA Option ROM? */
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif
int get_write_protect_state(void)
{
return get_gpio(57);
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(9, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AH(57, CROS_GPIO_DEVICE_NAME),
};
void mainboard_chromeos_acpi_generate(void)
{
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
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