/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Keith Outwater, keith_outwater@mvis.com * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #define NUM_PORTS 4 #define PORT_BITS 18 /* * This structure provides configuration information for one port pin. * We include all fields needed to initialize any of the ioports. */ typedef struct { unsigned char conf:1; /* If 1, configure this port */ unsigned char ppar:1; /* Port Pin Assignment Register */ unsigned char psor:1; /* Port Special Options Register */ unsigned char pdir:1; /* Port Data Direction Register */ unsigned char podr:1; /* Port Open Drain Register */ unsigned char pdat:1; /* Port Data Register */ unsigned char pint:1; /* Port Interrupt Register */ } mpc8xx_iop_conf_t; extern void config_mpc8xx_ioports(volatile immap_t *immr);