Subversion Repositories openrisc_2011-10-31

/* Copyright (c) 1995 Cygnus Support

 *

 * The authors hereby grant permission to use, copy, modify, distribute,

 * and license this software and its documentation for any purpose, provided

 * that existing copyright notices are retained in all copies and that this

 * notice is included verbatim in any distributions. No written agreement,

 * license, or royalty fee is required for any of the authorized uses.

 * Modifications to this software may be copyrighted by their authors

 * and need not follow the licensing terms described here, provided that

 * the new terms are clearly indicated on the first page of each file where

 * they apply.

 *

 * The w89k uses a memory mapped I/O scheme as well as a PC style ISA bus.

 * All I/O accesses are via a port.

 */

#define IOSPACE         0xf0000000

#define outp(port,val)  *((volatile unsigned char*)(IOSPACE+port))=val

#define inp(port)       *((volatile unsigned char*)(IOSPACE+port))

#define RS232PORT       0x3f8

#define COM1_LSR        (0x3f8 + 5)

#define COM1_DATA       (0x3f8 + 0)

#define RS232REG        0x3fd

#define TRANSMIT        0x20

#define RECEIVE         0x01