/arch/arm/mach-l7200/include/mach/gp_timers.h

https://bitbucket.org/sammyz/iscream_thunderc-2.6.35-rebase · C++ Header · 42 lines · 22 code · 5 blank · 15 comment · 0 complexity · 9d38c8496207e6e3332447d0877d39c7 MD5 · raw file 

    

  1. /*
    2. 

  2.  * arch/arm/mach-l7200/include/mach/gp_timers.h
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
    5. 

  5.  *
    6. 

  6.  * Changelog:
    7. 

  7.  *   07-28-2000	SJH	Created file
    8. 

  8.  *   08-02-2000	SJH	Used structure for registers
    9. 

  9.  */
    10. 

  10. #ifndef _ASM_ARCH_GPTIMERS_H
    11. 

  11. #define _ASM_ARCH_GPTIMERS_H
    12. 

  12. 

  13. #include <mach/hardware.h>
    14. 

  14. 

  15. /*
    16. 

  16.  * Layout of L7200 general purpose timer registers
    17. 

  17.  */
    18. 

  18. struct GPT_Regs {
    19. 

  19. 	unsigned int TIMERLOAD;
    20. 

  20. 	unsigned int TIMERVALUE;
    21. 

  21. 	unsigned int TIMERCONTROL;
    22. 

  22. 	unsigned int TIMERCLEAR;
    23. 

  23. };
    24. 

  24. 

  25. #define GPT_BASE		(IO_BASE_2 + 0x3000)
    26. 

  26. #define l7200_timer1_regs	((volatile struct GPT_Regs *) (GPT_BASE))
    27. 

  27. #define l7200_timer2_regs	((volatile struct GPT_Regs *) (GPT_BASE + 0x20))
    28. 

  28. 

  29. /*
    30. 

  30.  * General register values
    31. 

  31.  */
    32. 

  32. #define	GPT_PRESCALE_1		0x00000000
    33. 

  33. #define	GPT_PRESCALE_16		0x00000004
    34. 

  34. #define	GPT_PRESCALE_256	0x00000008
    35. 

  35. #define GPT_MODE_FREERUN	0x00000000
    36. 

  36. #define GPT_MODE_PERIODIC	0x00000040
    37. 

  37. #define GPT_ENABLE		0x00000080
    38. 

  38. #define GPT_BZTOG		0x00000100
    39. 

  39. #define GPT_BZMOD		0x00000200
    40. 

  40. #define GPT_LOAD_MASK 		0x0000ffff
    41. 

  41. 

  42. #endif
    43.