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/arch/xtensa/platforms/xt2000/include/platform/serial.h

http://github.com/mirrors/linux
C Header | 28 lines | 11 code | 7 blank | 10 comment | 0 complexity | eb927ab19e324e542eb6f6e009a2a1cf MD5 | raw file
 1/*
 2 * platform/serial.h
 3 *
 4 * This file is subject to the terms and conditions of the GNU General Public
 5 * License.  See the file "COPYING" in the main directory of this archive
 6 * for more details.
 7 *
 8 * Copyright (C) 2001 Tensilica Inc.
 9 */
10
11#ifndef _XTENSA_XT2000_SERIAL_H
12#define _XTENSA_XT2000_SERIAL_H
13
14#include <asm/core.h>
15#include <asm/io.h>
16
17/*  National-Semi PC16552D DUART:  */
18
19#define DUART16552_1_INTNUM	XCHAL_EXTINT4_NUM
20#define DUART16552_2_INTNUM	XCHAL_EXTINT5_NUM
21
22#define DUART16552_1_ADDR	IOADDR(0x0d050020)	/* channel 1 */
23#define DUART16552_2_ADDR	IOADDR(0x0d050000)	/* channel 2 */
24
25#define DUART16552_XTAL_FREQ	18432000	/* crystal frequency in Hz */
26#define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
27
28#endif /* _XTENSA_XT2000_SERIAL_H */