pal4_serial.h

这个linux源代码是很全面的~基本完整了~使用c编译的~由于时间问题我没有亲自测试~但就算用来做参考资料也是非常好的

/*
 * arch/ppc/platforms/pal4_serial.h
 * 
 * Definitions for SBS PalomarIV serial support 
 *
 * Author: Dan Cox
 *
 * Copyright 2002 MontaVista Software Inc.
 *
 * 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.
 */

#ifndef __PPC_PAL4_SERIAL_H
#define __PPC_PAL4_SERIAL_H

#define CPC700_SERIAL_1       0xff600300
#define CPC700_SERIAL_2       0xff600400

#define RS_TABLE_SIZE     2
#define BASE_BAUD         (33333333 / 4 / 16)

#ifdef CONFIG_SERIAL_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF)
#endif

#define SERIAL_PORT_DFNS \
      {0, BASE_BAUD, CPC700_SERIAL_1, 3, STD_COM_FLAGS, \
       iomem_base: (unsigned char *) CPC700_SERIAL_1, \
       io_type: SERIAL_IO_MEM},   /* ttyS0 */ \
      {0, BASE_BAUD, CPC700_SERIAL_2, 4, STD_COM_FLAGS, \
       iomem_base: (unsigned char *) CPC700_SERIAL_2, \
       io_type: SERIAL_IO_MEM}

#endif