board/gen860t/ioport.h

   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);
  43
  44 /* vim: set ts=4 tw=78 sw=4: */