| wdenk | 5b88144 | 2002-09-18 19:52:13 +0000 | [diff] [blame] | 1 | /* |
| 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 | */ |
| 32 | typedef 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 | |
| 42 | extern void config_mpc8xx_ioports(volatile immap_t *immr); |