at91_rstc.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * [origin: Linux kernel include/asm-arm/arch-at91/at91_rstc.h]
  4. *
  5. * Copyright (C) 2007 Andrew Victor
  6. * Copyright (C) 2007 Atmel Corporation.
  7. *
  8. * Reset Controller (RSTC) - System peripherals regsters.
  9. * Based on AT91SAM9261 datasheet revision D.
  10. */
  11. #ifndef AT91_RSTC_H
  12. #define AT91_RSTC_H
  13. /* Reset Controller Status Register */
  14. #define AT91_ASM_RSTC_SR (ATMEL_BASE_RSTC + 0x04)
  15. #define AT91_ASM_RSTC_MR (ATMEL_BASE_RSTC + 0x08)
  16. #ifndef __ASSEMBLY__
  17. typedef struct at91_rstc {
  18. u32 cr; /* Reset Controller Control Register */
  19. u32 sr; /* Reset Controller Status Register */
  20. u32 mr; /* Reset Controller Mode Register */
  21. } at91_rstc_t;
  22. #endif /* __ASSEMBLY__ */
  23. #define AT91_RSTC_KEY 0xA5000000
  24. #define AT91_RSTC_CR_PROCRST 0x00000001
  25. #define AT91_RSTC_CR_PERRST 0x00000004
  26. #define AT91_RSTC_CR_EXTRST 0x00000008
  27. #define AT91_RSTC_MR_URSTEN 0x00000001
  28. #define AT91_RSTC_MR_URSTIEN 0x00000010
  29. #define AT91_RSTC_MR_ERSTL(x) ((x & 0xf) << 8)
  30. #define AT91_RSTC_MR_ERSTL_MASK 0x0000FF00
  31. #define AT91_RSTC_SR_NRSTL 0x00010000
  32. #define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */
  33. #define AT91_RSTC_RSTTYP_GENERAL (0 << 8)
  34. #define AT91_RSTC_RSTTYP_WAKEUP (1 << 8)
  35. #define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8)
  36. #define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8)
  37. #define AT91_RSTC_RSTTYP_USER (4 << 8)
  38. #endif