LXR uboot/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 */
  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);
  43