/arch/xtensa/platforms/xt2000/include/platform/serial.h

http://github.com/mirrors/linux · C Header · 28 lines · 11 code · 7 blank · 10 comment · 0 complexity · eb927ab19e324e542eb6f6e009a2a1cf MD5 · raw file 

    

  1. /*
    2. 

  2.  * platform/serial.h
    3. 

  3.  *
    4. 

  4.  * This file is subject to the terms and conditions of the GNU General Public
    5. 

  5.  * License.  See the file "COPYING" in the main directory of this archive
    6. 

  6.  * for more details.
    7. 

  7.  *
    8. 

  8.  * Copyright (C) 2001 Tensilica Inc.
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef _XTENSA_XT2000_SERIAL_H
    12. 

  12. #define _XTENSA_XT2000_SERIAL_H
    13. 

  13. 

  14. #include <asm/core.h>
    15. 

  15. #include <asm/io.h>
    16. 

  16. 

  17. /*  National-Semi PC16552D DUART:  */
    18. 

  18. 

  19. #define DUART16552_1_INTNUM	XCHAL_EXTINT4_NUM
    20. 

  20. #define DUART16552_2_INTNUM	XCHAL_EXTINT5_NUM
    21. 

  21. 

  22. #define DUART16552_1_ADDR	IOADDR(0x0d050020)	/* channel 1 */
    23. 

  23. #define DUART16552_2_ADDR	IOADDR(0x0d050000)	/* channel 2 */
    24. 

  24. 

  25. #define DUART16552_XTAL_FREQ	18432000	/* crystal frequency in Hz */
    26. 

  26. #define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
    27. 

  27. 

  28. #endif /* _XTENSA_XT2000_SERIAL_H */
    29.