serial.h

linux-2.4.29操作系统的源码

/*
 *  linux/include/asm-arm/arch-epxa10db/serial.h
 *
 *  Copyright (C) 1999 ARM Limited
 *  Copyright (C) 2001 Altera Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H

#include <asm/arch/platform.h>
#include <asm/irq.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 (1 / 16)

#define _SER_IRQ0	IRQ_UARTINT0
#define _SER_IRQ1	IRQ_UARTINT1

#define RS_TABLE_SIZE	2

#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)

     /* UART CLK        PORT  IRQ     FLAGS        */
#define STD_SERIAL_PORT_DEFNS \
	{ 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS },	/* ttyS0 */	\
	{ 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS },	/* ttyS1 */

#define EXTRA_SERIAL_PORT_DEFNS

#endif