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linux-arkmicro
/
u-boot
/
arch
/
arm
/
mach-exynos
/
include
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mach
/
watchdog.h

watchdog.h 946 B
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  1. /* SPDX-License-Identifier: GPL-2.0+ */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2011 Samsung Electronics
    4. 

  4.  * Heungjun Kim <riverful.kim@samsung.com>
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef __ASM_ARM_ARCH_WATCHDOG_H_
    8. 

  8. #define __ASM_ARM_ARCH_WATCHDOG_H_
    9. 

  9. 

  10. #define WTCON_RESET_OFFSET	0
    11. 

  11. #define WTCON_INTEN_OFFSET	2
    12. 

  12. #define WTCON_CLKSEL_OFFSET	3
    13. 

  13. #define WTCON_EN_OFFSET		5
    14. 

  14. #define WTCON_PRE_OFFSET	8
    15. 

  15. 

  16. #define WTCON_CLK_16		0x0
    17. 

  17. #define WTCON_CLK_32		0x1
    18. 

  18. #define WTCON_CLK_64		0x2
    19. 

  19. #define WTCON_CLK_128		0x3
    20. 

  20. 

  21. #define WTCON_CLK(x)		((x & 0x3) << WTCON_CLKSEL_OFFSET)
    22. 

  22. #define WTCON_PRESCALER(x)	((x) << WTCON_PRE_OFFSET)
    23. 

  23. #define WTCON_EN		(0x1 << WTCON_EN_OFFSET)
    24. 

  24. #define WTCON_RESET		(0x1 << WTCON_RESET_OFFSET)
    25. 

  25. #define WTCON_INT		(0x1 << WTCON_INTEN_OFFSET)
    26. 

  26. 

  27. #ifndef __ASSEMBLY__
    28. 

  28. struct s5p_watchdog {
    29. 

  29. 	unsigned int wtcon;
    30. 

  30. 	unsigned int wtdat;
    31. 

  31. 	unsigned int wtcnt;
    32. 

  32. 	unsigned int wtclrint;
    33. 

  33. };
    34. 

  34. 

  35. /* functions */
    36. 

  36. void wdt_stop(void);
    37. 

  37. void wdt_start(unsigned int timeout);
    38. 

  38. #endif	/* __ASSEMBLY__ */
    39. 

  39. 

  40. #endif
    41.