/* gpio.h -- Definition of types and structures for the GPIO code
|
/* gpio.h -- Definition of types and structures for the GPIO code
|
|
|
Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org
|
Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org
|
Copyright (C) 2008 Embecosm Limited
|
Copyright (C) 2008 Embecosm Limited
|
|
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
|
|
This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
|
This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
|
|
|
This program is free software; you can redistribute it and/or modify it
|
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
|
under the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 3 of the License, or (at your option)
|
Software Foundation; either version 3 of the License, or (at your option)
|
any later version.
|
any later version.
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
more details.
|
more details.
|
|
|
You should have received a copy of the GNU General Public License along
|
You should have received a copy of the GNU General Public License along
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
/* This program is commented throughout in a fashion suitable for processing
|
/* This program is commented throughout in a fashion suitable for processing
|
with Doxygen. */
|
with Doxygen. */
|
|
|
|
|
#ifndef GPIO__H
|
#ifndef GPIO__H
|
#define GPIO__H
|
#define GPIO__H
|
|
|
|
|
|
/* Constants also used by testbench */
|
|
|
|
/* Address space required by one GPIO */
|
|
#define GPIO_ADDR_SPACE 0x20
|
|
|
|
/* Relative Register Addresses */
|
|
#define RGPIO_IN 0x00
|
|
#define RGPIO_OUT 0x04
|
|
#define RGPIO_OE 0x08
|
|
#define RGPIO_INTE 0x0C
|
|
#define RGPIO_PTRIG 0x10
|
|
#define RGPIO_AUX 0x14
|
|
#define RGPIO_CTRL 0x18
|
|
#define RGPIO_INTS 0x1C
|
|
|
|
/* Fields inside RGPIO_CTRL */
|
|
#define RGPIO_CTRL_ECLK 0x00000001
|
|
#define RGPIO_CTRL_NEC 0x00000002
|
|
#define RGPIO_CTRL_INTE 0x00000004
|
|
#define RGPIO_CTRL_INTS 0x00000008
|
|
|
|
|
/* Function prototypes for external use */
|
/* Function prototypes for external use */
|
extern void reg_gpio_sec ();
|
extern void reg_gpio_sec ();
|
|
|
#endif /* GPIO__H */
|
#endif /* GPIO__H */
|
|
|
