source: trunk/libs/newlib/src/libgloss/pa/w89k.h @ 630

Last change on this file since 630 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.0 KB
Line 
1/* Copyright (c) 1995 Cygnus Support
2 *
3 * The authors hereby grant permission to use, copy, modify, distribute,
4 * and license this software and its documentation for any purpose, provided
5 * that existing copyright notices are retained in all copies and that this
6 * notice is included verbatim in any distributions. No written agreement,
7 * license, or royalty fee is required for any of the authorized uses.
8 * Modifications to this software may be copyrighted by their authors
9 * and need not follow the licensing terms described here, provided that
10 * the new terms are clearly indicated on the first page of each file where
11 * they apply.
12 *
13 * The w89k uses a memory mapped I/O scheme as well as a PC style ISA bus.
14 * All I/O accesses are via a port.
15 */
16#define IOSPACE         0xf0000000
17#define outp(port,val)  *((volatile unsigned char*)(IOSPACE+port))=val
18#define inp(port)       *((volatile unsigned char*)(IOSPACE+port))
19#define RS232PORT       0x3f8
20#define COM1_LSR        (0x3f8 + 5)
21#define COM1_DATA       (0x3f8 + 0)
22
23#define RS232REG        0x3fd
24#define TRANSMIT        0x20
25#define RECEIVE         0x01
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