regs-i2c.h 1.6 KB

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  1. /*
  2. * PKUnity Inter-integrated Circuit (I2C) Registers
  3. */
  4. /*
  5. * Control Reg I2C_CON.
  6. */
  7. #define I2C_CON (PKUNITY_I2C_BASE + 0x0000)
  8. /*
  9. * Target Address Reg I2C_TAR.
  10. */
  11. #define I2C_TAR (PKUNITY_I2C_BASE + 0x0004)
  12. /*
  13. * Data buffer and command Reg I2C_DATACMD.
  14. */
  15. #define I2C_DATACMD (PKUNITY_I2C_BASE + 0x0010)
  16. /*
  17. * Enable Reg I2C_ENABLE.
  18. */
  19. #define I2C_ENABLE (PKUNITY_I2C_BASE + 0x006C)
  20. /*
  21. * Status Reg I2C_STATUS.
  22. */
  23. #define I2C_STATUS (PKUNITY_I2C_BASE + 0x0070)
  24. /*
  25. * Tx FIFO Length Reg I2C_TXFLR.
  26. */
  27. #define I2C_TXFLR (PKUNITY_I2C_BASE + 0x0074)
  28. /*
  29. * Rx FIFO Length Reg I2C_RXFLR.
  30. */
  31. #define I2C_RXFLR (PKUNITY_I2C_BASE + 0x0078)
  32. /*
  33. * Enable Status Reg I2C_ENSTATUS.
  34. */
  35. #define I2C_ENSTATUS (PKUNITY_I2C_BASE + 0x009C)
  36. #define I2C_CON_MASTER FIELD(1, 1, 0)
  37. #define I2C_CON_SPEED_STD FIELD(1, 2, 1)
  38. #define I2C_CON_SPEED_FAST FIELD(2, 2, 1)
  39. #define I2C_CON_RESTART FIELD(1, 1, 5)
  40. #define I2C_CON_SLAVEDISABLE FIELD(1, 1, 6)
  41. #define I2C_DATACMD_READ FIELD(1, 1, 8)
  42. #define I2C_DATACMD_WRITE FIELD(0, 1, 8)
  43. #define I2C_DATACMD_DAT_MASK FMASK(8, 0)
  44. #define I2C_DATACMD_DAT(v) FIELD((v), 8, 0)
  45. #define I2C_ENABLE_ENABLE FIELD(1, 1, 0)
  46. #define I2C_ENABLE_DISABLE FIELD(0, 1, 0)
  47. #define I2C_STATUS_RFF FIELD(1, 1, 4)
  48. #define I2C_STATUS_RFNE FIELD(1, 1, 3)
  49. #define I2C_STATUS_TFE FIELD(1, 1, 2)
  50. #define I2C_STATUS_TFNF FIELD(1, 1, 1)
  51. #define I2C_STATUS_ACTIVITY FIELD(1, 1, 0)
  52. #define I2C_ENSTATUS_ENABLE FIELD(1, 1, 0)
  53. #define I2C_TAR_THERMAL 0x4f
  54. #define I2C_TAR_SPD 0x50
  55. #define I2C_TAR_PWIC 0x55
  56. #define I2C_TAR_EEPROM 0x57