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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
* Copyright (c) 2015, NVIDIA CORPORATION. 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.
*/
#include <boot/coreboot_tables.h>
#include <ec/google/chromeec/ec.h>
#include <ec/google/chromeec/ec_commands.h>
#include <gpio.h>
#include <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
void fill_lb_gpios(struct lb_gpios *gpios)
{
/* TBD(twarren@nvidia.com): Any analogs for these on Foster-FFD? */
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: active low */
{-1, ACTIVE_LOW, !get_write_protect_state(), "write protect"},
/* Recovery: active high */
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
/* TODO: Power: active low / high depending on board id */
{GPIO(X5), ACTIVE_LOW, -1, "power"},
/* TODO: Reset: active low (output) */
{GPIO(I5), ACTIVE_LOW, -1, "reset"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_recovery_mode_switch(void)
{
#if CONFIG(EC_GOOGLE_CHROMEEC)
uint64_t ec_events;
ec_events = google_chromeec_get_events_b();
return !!(ec_events &
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
#else
return 0;
#endif
}
int get_write_protect_state(void)
{
return 0;
}
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