ftsdmc020.h 2.4 KB

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  1. /*
  2. * (C) Copyright 2009 Faraday Technology
  3. * Po-Yu Chuang <ratbert@faraday-tech.com>
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. /*
  8. * SDRAM Controller
  9. */
  10. #ifndef __FTSDMC020_H
  11. #define __FTSDMC020_H
  12. #define FTSDMC020_OFFSET_TP0 0x00
  13. #define FTSDMC020_OFFSET_TP1 0x04
  14. #define FTSDMC020_OFFSET_CR 0x08
  15. #define FTSDMC020_OFFSET_BANK0_BSR 0x0C
  16. #define FTSDMC020_OFFSET_BANK1_BSR 0x10
  17. #define FTSDMC020_OFFSET_BANK2_BSR 0x14
  18. #define FTSDMC020_OFFSET_BANK3_BSR 0x18
  19. #define FTSDMC020_OFFSET_BANK4_BSR 0x1C
  20. #define FTSDMC020_OFFSET_BANK5_BSR 0x20
  21. #define FTSDMC020_OFFSET_BANK6_BSR 0x24
  22. #define FTSDMC020_OFFSET_BANK7_BSR 0x28
  23. #define FTSDMC020_OFFSET_ACR 0x34
  24. /*
  25. * Timing Parametet 0 Register
  26. */
  27. #define FTSDMC020_TP0_TCL(x) ((x) & 0x3)
  28. #define FTSDMC020_TP0_TWR(x) (((x) & 0x3) << 4)
  29. #define FTSDMC020_TP0_TRF(x) (((x) & 0xf) << 8)
  30. #define FTSDMC020_TP0_TRCD(x) (((x) & 0x7) << 12)
  31. #define FTSDMC020_TP0_TRP(x) (((x) & 0xf) << 16)
  32. #define FTSDMC020_TP0_TRAS(x) (((x) & 0xf) << 20)
  33. /*
  34. * Timing Parametet 1 Register
  35. */
  36. #define FTSDMC020_TP1_REF_INTV(x) ((x) & 0xffff)
  37. #define FTSDMC020_TP1_INI_REFT(x) (((x) & 0xf) << 16)
  38. #define FTSDMC020_TP1_INI_PREC(x) (((x) & 0xf) << 20)
  39. /*
  40. * Configuration Register
  41. */
  42. #define FTSDMC020_CR_SREF (1 << 0)
  43. #define FTSDMC020_CR_PWDN (1 << 1)
  44. #define FTSDMC020_CR_ISMR (1 << 2)
  45. #define FTSDMC020_CR_IREF (1 << 3)
  46. #define FTSDMC020_CR_IPREC (1 << 4)
  47. #define FTSDMC020_CR_REFTYPE (1 << 5)
  48. /*
  49. * SDRAM External Bank Base/Size Register
  50. */
  51. #define FTSDMC020_BANK_ENABLE (1 << 28)
  52. #define FTSDMC020_BANK_BASE(addr) (((addr) >> 20) << 16)
  53. #define FTSDMC020_BANK_DDW_X4 (0 << 12)
  54. #define FTSDMC020_BANK_DDW_X8 (1 << 12)
  55. #define FTSDMC020_BANK_DDW_X16 (2 << 12)
  56. #define FTSDMC020_BANK_DDW_X32 (3 << 12)
  57. #define FTSDMC020_BANK_DSZ_16M (0 << 8)
  58. #define FTSDMC020_BANK_DSZ_64M (1 << 8)
  59. #define FTSDMC020_BANK_DSZ_128M (2 << 8)
  60. #define FTSDMC020_BANK_DSZ_256M (3 << 8)
  61. #define FTSDMC020_BANK_MBW_8 (0 << 4)
  62. #define FTSDMC020_BANK_MBW_16 (1 << 4)
  63. #define FTSDMC020_BANK_MBW_32 (2 << 4)
  64. #define FTSDMC020_BANK_SIZE_1M 0x0
  65. #define FTSDMC020_BANK_SIZE_2M 0x1
  66. #define FTSDMC020_BANK_SIZE_4M 0x2
  67. #define FTSDMC020_BANK_SIZE_8M 0x3
  68. #define FTSDMC020_BANK_SIZE_16M 0x4
  69. #define FTSDMC020_BANK_SIZE_32M 0x5
  70. #define FTSDMC020_BANK_SIZE_64M 0x6
  71. #define FTSDMC020_BANK_SIZE_128M 0x7
  72. #define FTSDMC020_BANK_SIZE_256M 0x8
  73. /*
  74. * Arbiter Control Register
  75. */
  76. #define FTSDMC020_ACR_TOC(x) ((x) & 0x1f)
  77. #define FTSDMC020_ACR_TOE (1 << 8)
  78. #endif /* __FTSDMC020_H */