mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 00:04:15 +08:00
62c4f0a2d5
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
|
|
* linux/include/asm-arm/serial.h
|
|
*
|
|
* Copyright (C) 1996 Russell King.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Changelog:
|
|
* 15-10-1996 RMK Created
|
|
*/
|
|
|
|
#ifndef __ASM_SERIAL_H
|
|
#define __ASM_SERIAL_H
|
|
|
|
|
|
/*
|
|
* This assumes you have a 1.8432 MHz clock for your UART.
|
|
*
|
|
* It'd be nice if someone built a serial card with a 24.576 MHz
|
|
* clock, since the 16550A is capable of handling a top speed of 1.5
|
|
* megabits/second; but this requires the faster clock.
|
|
*/
|
|
#define BASE_BAUD (1843200 / 16)
|
|
|
|
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
|
|
|
|
#if defined(CONFIG_ARCH_A5K)
|
|
/* UART CLK PORT IRQ FLAGS */
|
|
|
|
#define SERIAL_PORT_DFNS \
|
|
{ 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS }, /* ttyS0 */ \
|
|
{ 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS }, /* ttyS1 */
|
|
|
|
#else
|
|
|
|
#define SERIAL_PORT_DFNS \
|
|
{ 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS0 */ \
|
|
{ 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS1 */
|
|
|
|
#endif
|
|
|
|
#endif
|