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io.c revision 1.3 
      1  1.3  sakamoto /*	$NetBSD: io.c,v 1.3 1999/06/28 01:20:44 sakamoto Exp $	*/
      2  1.1  sakamoto 
      3  1.1  sakamoto /*-
      4  1.1  sakamoto  * Copyright (C) 1995-1997 Gary Thomas (gdt (at) linuxppc.org)
      5  1.1  sakamoto  * All rights reserved.
      6  1.1  sakamoto  *
      7  1.1  sakamoto  * PCI/ISA I/O support
      8  1.1  sakamoto  *
      9  1.1  sakamoto  * Redistribution and use in source and binary forms, with or without
     10  1.1  sakamoto  * modification, are permitted provided that the following conditions
     11  1.1  sakamoto  * are met:
     12  1.1  sakamoto  * 1. Redistributions of source code must retain the above copyright
     13  1.1  sakamoto  *    notice, this list of conditions and the following disclaimer.
     14  1.1  sakamoto  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.1  sakamoto  *    notice, this list of conditions and the following disclaimer in the
     16  1.1  sakamoto  *    documentation and/or other materials provided with the distribution.
     17  1.1  sakamoto  * 3. All advertising materials mentioning features or use of this software
     18  1.1  sakamoto  *    must display the following acknowledgement:
     19  1.1  sakamoto  *      This product includes software developed by Gary Thomas.
     20  1.1  sakamoto  * 4. The name of the author may not be used to endorse or promote products
     21  1.1  sakamoto  *    derived from this software without specific prior written permission.
     22  1.1  sakamoto  *
     23  1.1  sakamoto  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  1.1  sakamoto  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  1.1  sakamoto  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  1.1  sakamoto  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  1.1  sakamoto  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  1.1  sakamoto  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  1.1  sakamoto  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  1.1  sakamoto  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  1.1  sakamoto  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  1.1  sakamoto  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  1.1  sakamoto  */
     34  1.1  sakamoto 
     35  1.3  sakamoto #include <stand.h>
     36  1.3  sakamoto #include "boot.h"
     37  1.3  sakamoto 
     38  1.3  sakamoto volatile u_char *ISA_io  = (u_char *)0x80000000;
     39  1.3  sakamoto volatile u_char *ISA_mem = (u_char *)0xC0000000;
     40  1.1  sakamoto 
     41  1.1  sakamoto void
     42  1.3  sakamoto outb(port, val)
     43  1.3  sakamoto 	int port;
     44  1.3  sakamoto 	char val;
     45  1.1  sakamoto {
     46  1.1  sakamoto 	ISA_io[port] = val;
     47  1.1  sakamoto }
     48  1.1  sakamoto 
     49  1.3  sakamoto u_char
     50  1.3  sakamoto inb(port)
     51  1.3  sakamoto 	int port;
     52  1.1  sakamoto {
     53  1.1  sakamoto 	return (ISA_io[port]);
     54  1.1  sakamoto }
     55  1.1  sakamoto 
     56  1.3  sakamoto u_long
     57  1.3  sakamoto local_to_PCI(addr)
     58  1.3  sakamoto 	u_long addr;
     59  1.1  sakamoto {
     60  1.1  sakamoto 	return ((addr & 0x7FFFFFFF) | 0x80000000);
     61  1.1  sakamoto }
     62