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  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #define NUM_PORTS       4
  10 #define PORT_BITS       18
  11
  12 /*
  13  * This structure provides configuration information for one port pin.
  14  * We include all fields needed to initialize any of the ioports.
  15  */
  16 typedef struct {
  17     unsigned char conf:1;       /* If 1, configure this port            */
  18     unsigned char ppar:1;       /* Port Pin Assignment Register         */
  19     unsigned char psor:1;       /* Port Special Options Register        */
  20     unsigned char pdir:1;       /* Port Data Direction Register         */
  21     unsigned char podr:1;       /* Port Open Drain Register                     */
  22     unsigned char pdat:1;       /* Port Data Register                           */
  23     unsigned char pint:1;       /* Port Interrupt Register                      */
  24 } mpc8xx_iop_conf_t;
  25
  26 extern void config_mpc8xx_ioports(volatile immap_t *immr);