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/* gpio.h -- Definition of types and structures for the GPIO code
   Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org
 
   This file is part of OpenRISC 1000 Architectural Simulator.
 
   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
 
#ifndef __OR1KSIM_PERIPHERAL_GPIO_H
#define __OR1KSIM_PERIPHERAL_GPIO_H
 
/* Exported function prototypes */
void gpio_reset( void );
void gpio_clock( void );
void gpio_status( void );
 
 
/* Address space required by one Ethernet MAC */
#define GPIO_ADDR_SPACE 0x20
 
/* Relative Register Addresses */
#define RGPIO_IN        (4 * 0x00)
#define RGPIO_OUT       (4 * 0x01)
#define RGPIO_OE        (4 * 0x02)
#define RGPIO_INTE      (4 * 0x03)
#define RGPIO_PTRIG     (4 * 0x04)
#define RGPIO_AUX       (4 * 0x05)
#define RGPIO_CTRL      (4 * 0x06)
 
/* Fields inside RGPIO_CTRL */
#define RGPIO_CTRL_ECLK      0x00000001
#define RGPIO_CTRL_NEC       0x00000002
#define RGPIO_CTRL_INTE      0x00000004
#define RGPIO_CTRL_INT       0x00000008
 
 
#endif /* __OR1KSIM_PERIPHERAL_GPIO_H */