text: /*
   * platform/serial.h
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2001 Tensilica Inc.
   */
  
  #ifndef _XTENSA_XT2000_SERIAL_H
  #define _XTENSA_XT2000_SERIAL_H
  
  #include <asm/core.h>
  #include <asm/io.h>
  
  /*  National-Semi PC16552D DUART:  */
  
  #define DUART16552_1_INTNUM	XCHAL_EXTINT4_NUM
  #define DUART16552_2_INTNUM	XCHAL_EXTINT5_NUM
  
  #define DUART16552_1_ADDR	IOADDR(0x0d050020)	/* channel 1 */
  #define DUART16552_2_ADDR	IOADDR(0x0d050000)	/* channel 2 */
  
  #define DUART16552_XTAL_FREQ	18432000	/* crystal frequency in Hz */
  #define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
  
  #endif /* _XTENSA_XT2000_SERIAL_H */
  