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Diffstat (limited to 'u-boot/board/gen860t/ioport.h')
| -rw-r--r-- | u-boot/board/gen860t/ioport.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/u-boot/board/gen860t/ioport.h b/u-boot/board/gen860t/ioport.h new file mode 100644 index 0000000..3af0bc9 --- /dev/null +++ b/u-boot/board/gen860t/ioport.h @@ -0,0 +1,42 @@ +/* + * (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); |