Primary Bootloader (before u-boot) in sysmoBTSv2
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/*
* gpio.h - Gpio specific platform definitions
*
* Copyright (C) 2008 Hugo Villeneuve <hugo@hugovil.com>
*
* Based on TI DaVinci Flash and Boot Utilities, original copyright follows:
* Copyright 2008 Texas Instruments, Inc. <www.ti.com>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#ifndef _GPIO_H_
#define _GPIO_H_
#include "common.h"
#define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */
int
gpio_direction_in(unsigned gpio);
int
gpio_direction_out(unsigned gpio, int initial_value);
void
gpio_set(unsigned gpio, int state);
#endif /* _GPIO_H_ */