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arch
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sh
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include
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cpu-sh4
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cpu
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watchdog.h

watchdog.h 1.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0
    2. 

  2.  *
    3. 

  3.  * include/asm-sh/cpu-sh4/watchdog.h
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2002, 2003 Paul Mundt
    6. 

  6.  * Copyright (C) 2009 Siemens AG
    7. 

  7.  * Copyright (C) 2009 Sitdikov Valentin
    8. 

  8.  */
    9. 

  9. #ifndef __ASM_CPU_SH4_WATCHDOG_H
    10. 

  10. #define __ASM_CPU_SH4_WATCHDOG_H
    11. 

  11. 

  12. #if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780)
    13. 

  13. /* Prefix definition */
    14. 

  14. #define WTBST_HIGH	0x55
    15. 

  15. /* Register definitions */
    16. 

  16. #define WTCNT_R		0xffcc0010 /*WDTCNT*/
    17. 

  17. #define WTCSR		0xffcc0004 /*WDTCSR*/
    18. 

  18. #define WTCNT		0xffcc0000 /*WDTST*/
    19. 

  19. #define WTST		WTCNT
    20. 

  20. #define WTBST		0xffcc0008 /*WDTBST*/
    21. 

  21. /* Register definitions */
    22. 

  22. #elif	defined(CONFIG_CPU_SUBTYPE_SH7722) || \
    23. 

  23. 	defined(CONFIG_CPU_SUBTYPE_SH7723) || \
    24. 

  24. 	defined(CONFIG_CPU_SUBTYPE_SH7724)
    25. 

  25. #define WTCNT		0xa4520000
    26. 

  26. #define WTCSR		0xa4520004
    27. 

  27. #else
    28. 

  28. /* Register definitions */
    29. 

  29. #define WTCNT		0xffc00008
    30. 

  30. #define WTCSR		0xffc0000c
    31. 

  31. #endif
    32. 

  32. 

  33. /* Bit definitions */
    34. 

  34. #define WTCSR_TME	0x80
    35. 

  35. #define WTCSR_WT	0x40
    36. 

  36. #define WTCSR_RSTS	0x20
    37. 

  37. #define WTCSR_WOVF	0x10
    38. 

  38. #define WTCSR_IOVF	0x08
    39. 

  39. 

  40. #endif /* __ASM_CPU_SH4_WATCHDOG_H */
    41. 

  41.