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wdenk5b881442002-09-18 19:52:13 +00001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * Keith Outwater, keith_outwater@mvis.com
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#define NUM_PORTS 4
26#define PORT_BITS 18
27
28/*
29 * This structure provides configuration information for one port pin.
30 * We include all fields needed to initialize any of the ioports.
31 */
32typedef struct {
33 unsigned char conf:1; /* If 1, configure this port */
34 unsigned char ppar:1; /* Port Pin Assignment Register */
35 unsigned char psor:1; /* Port Special Options Register */
36 unsigned char pdir:1; /* Port Data Direction Register */
37 unsigned char podr:1; /* Port Open Drain Register */
38 unsigned char pdat:1; /* Port Data Register */
39 unsigned char pint:1; /* Port Interrupt Register */
40} mpc8xx_iop_conf_t;
41
42extern void config_mpc8xx_ioports(volatile immap_t *immr);