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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Google Inc.
* Copyright (C) 2015 Intel Corporation
*
* 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 <gpio.h>
#include <soc/gpio.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <variant/gpio.h>
#if ENV_RAMSTAGE
#include <boot/coreboot_tables.h>
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
{GPIO_EC_IN_RW, ACTIVE_HIGH,
gpio_get(GPIO_EC_IN_RW), "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
#endif /* ENV_RAMSTAGE */
int get_write_protect_state(void)
{
/* Read PCH_WP GPIO. */
return gpio_get(GPIO_PCH_WP);
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),
};
void mainboard_chromeos_acpi_generate(void)
{
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
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