tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/include/asm-arm/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 */
13
14#ifndef __ASM_SERIAL_H
15#define __ASM_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#if defined(CONFIG_ARCH_A5K)
31 /* UART CLK PORT IRQ FLAGS */
32
33#define SERIAL_PORT_DFNS \
34 { 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS }, /* ttyS0 */ \
35 { 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS }, /* ttyS1 */
36
37#else
38
39#define SERIAL_PORT_DFNS \
40 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS0 */ \
41 { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS1 */
42
43#endif
44
45#endif