1/*
2 *  linux/include/asm-arm/arch-arc/serial.h
3 *
4 *  Copyright (C) 1996 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 *  Changelog:
11 *   15-10-1996	RMK	Created
12 *   04-04-1998	PJB	Merged `arc' and `a5k' architectures
13 */
14#ifndef __ASM_ARCH_SERIAL_H
15#define __ASM_ARCH_SERIAL_H
16
17#include <linux/config.h>
18
19/*
20 * This assumes you have a 1.8432 MHz clock for your UART.
21 *
22 * It'd be nice if someone built a serial card with a 24.576 MHz
23 * clock, since the 16550A is capable of handling a top speed of 1.5
24 * megabits/second; but this requires the faster clock.
25 */
26#define BASE_BAUD (1843200 / 16)
27
28#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
29
30#define RS_TABLE_SIZE	16
31
32#if defined(CONFIG_ARCH_A5K)
33     /* UART CLK        PORT  IRQ     FLAGS        */
34
35#define STD_SERIAL_PORT_DEFNS						\
36	{ 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS },	/* ttyS0 */	\
37	{ 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS },	/* ttyS1 */
38
39#else
40
41#define STD_SERIAL_PORT_DEFNS						\
42	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS0 */	\
43	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS1 */
44
45#endif
46
47#define EXTRA_SERIAL_PORT_DEFNS \
48	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS2 */	\
49	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS3 */	\
50	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS }, 	/* ttyS4 */	\
51	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS5 */	\
52	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS6 */	\
53	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS7 */	\
54	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS8 */	\
55	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS9 */	\
56	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS10 */	\
57	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS11 */	\
58	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS12 */	\
59	{ 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },	/* ttyS13 */
60
61#endif
62