NetBSD/sys/arch/bebox/stand/boot/io.c

62 lines
2.1 KiB
C

/* $NetBSD: io.c,v 1.3 1999/06/28 01:20:44 sakamoto Exp $ */
/*-
* Copyright (C) 1995-1997 Gary Thomas (gdt@linuxppc.org)
* All rights reserved.
*
* PCI/ISA I/O support
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Gary Thomas.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stand.h>
#include "boot.h"
volatile u_char *ISA_io = (u_char *)0x80000000;
volatile u_char *ISA_mem = (u_char *)0xC0000000;
void
outb(port, val)
int port;
char val;
{
ISA_io[port] = val;
}
u_char
inb(port)
int port;
{
return (ISA_io[port]);
}
u_long
local_to_PCI(addr)
u_long addr;
{
return ((addr & 0x7FFFFFFF) | 0x80000000);
}