at91_wdt.h 996 B

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  1. /*
  2. * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
  3. *
  4. * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
  5. * Copyright (C) 2007 Andrew Victor
  6. * Copyright (C) 2007 Atmel Corporation.
  7. *
  8. * Watchdog Timer (WDT) - System peripherals regsters.
  9. * Based on AT91SAM9261 datasheet revision D.
  10. *
  11. * SPDX-License-Identifier: GPL-2.0+
  12. */
  13. #ifndef AT91_WDT_H
  14. #define AT91_WDT_H
  15. #ifdef __ASSEMBLY__
  16. #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04)
  17. #else
  18. typedef struct at91_wdt {
  19. u32 cr;
  20. u32 mr;
  21. u32 sr;
  22. } at91_wdt_t;
  23. #endif
  24. #define AT91_WDT_CR_WDRSTT 1
  25. #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */
  26. #define AT91_WDT_MR_WDV(x) (x & 0xfff)
  27. #define AT91_WDT_MR_WDFIEN 0x00001000
  28. #define AT91_WDT_MR_WDRSTEN 0x00002000
  29. #define AT91_WDT_MR_WDRPROC 0x00004000
  30. #define AT91_WDT_MR_WDDIS 0x00008000
  31. #define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16)
  32. #define AT91_WDT_MR_WDDBGHLT 0x10000000
  33. #define AT91_WDT_MR_WDIDLEHLT 0x20000000
  34. #endif