at91sam9_smc.h 3.5 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576
  1. /*
  2. * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9_smc.h]
  3. *
  4. * Copyright (C) 2007 Andrew Victor
  5. * Copyright (C) 2007 Atmel Corporation.
  6. *
  7. * Static Memory Controllers (SMC) - System peripherals registers.
  8. * Based on AT91SAM9261 datasheet revision D.
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (at your option) any later version.
  14. */
  15. #ifndef AT91SAM9_SMC_H
  16. #define AT91SAM9_SMC_H
  17. #define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
  18. #define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */
  19. #define AT91_SMC_NWESETUP_(x) ((x) << 0)
  20. #define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */
  21. #define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8)
  22. #define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */
  23. #define AT91_SMC_NRDSETUP_(x) ((x) << 16)
  24. #define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */
  25. #define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24)
  26. #define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
  27. #define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */
  28. #define AT91_SMC_NWEPULSE_(x) ((x) << 0)
  29. #define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */
  30. #define AT91_SMC_NCS_WRPULSE_(x)((x) << 8)
  31. #define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */
  32. #define AT91_SMC_NRDPULSE_(x) ((x) << 16)
  33. #define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */
  34. #define AT91_SMC_NCS_RDPULSE_(x)((x) << 24)
  35. #define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
  36. #define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */
  37. #define AT91_SMC_NWECYCLE_(x) ((x) << 0)
  38. #define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */
  39. #define AT91_SMC_NRDCYCLE_(x) ((x) << 16)
  40. #define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
  41. #define AT91_SMC_READMODE (1 << 0) /* Read Mode */
  42. #define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */
  43. #define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */
  44. #define AT91_SMC_EXNWMODE_DISABLE (0 << 4)
  45. #define AT91_SMC_EXNWMODE_FROZEN (2 << 4)
  46. #define AT91_SMC_EXNWMODE_READY (3 << 4)
  47. #define AT91_SMC_BAT (1 << 8) /* Byte Access Type */
  48. #define AT91_SMC_BAT_SELECT (0 << 8)
  49. #define AT91_SMC_BAT_WRITE (1 << 8)
  50. #define AT91_SMC_DBW (3 << 12) /* Data Bus Width */
  51. #define AT91_SMC_DBW_8 (0 << 12)
  52. #define AT91_SMC_DBW_16 (1 << 12)
  53. #define AT91_SMC_DBW_32 (2 << 12)
  54. #define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */
  55. #define AT91_SMC_TDF_(x) ((x) << 16)
  56. #define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */
  57. #define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */
  58. #define AT91_SMC_PS (3 << 28) /* Page Size */
  59. #define AT91_SMC_PS_4 (0 << 28)
  60. #define AT91_SMC_PS_8 (1 << 28)
  61. #define AT91_SMC_PS_16 (2 << 28)
  62. #define AT91_SMC_PS_32 (3 << 28)
  63. #if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */
  64. #define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
  65. #define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
  66. #define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
  67. #define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
  68. #endif
  69. #endif