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