reg_8xx.h 2.8 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Contains register definitions common to PowerPC 8xx CPUs. Notice
  4. */
  5. #ifndef _ASM_POWERPC_REG_8xx_H
  6. #define _ASM_POWERPC_REG_8xx_H
  7. /* Cache control on the MPC8xx is provided through some additional
  8. * special purpose registers.
  9. */
  10. #define SPRN_IC_CST 560 /* Instruction cache control/status */
  11. #define SPRN_IC_ADR 561 /* Address needed for some commands */
  12. #define SPRN_IC_DAT 562 /* Read-only data register */
  13. #define SPRN_DC_CST 568 /* Data cache control/status */
  14. #define SPRN_DC_ADR 569 /* Address needed for some commands */
  15. #define SPRN_DC_DAT 570 /* Read-only data register */
  16. /* Misc Debug */
  17. #define SPRN_DPDR 630
  18. #define SPRN_MI_CAM 816
  19. #define SPRN_MI_RAM0 817
  20. #define SPRN_MI_RAM1 818
  21. #define SPRN_MD_CAM 824
  22. #define SPRN_MD_RAM0 825
  23. #define SPRN_MD_RAM1 826
  24. /* Special MSR manipulation registers */
  25. #define SPRN_EIE 80 /* External interrupt enable (EE=1, RI=1) */
  26. #define SPRN_EID 81 /* External interrupt disable (EE=0, RI=1) */
  27. #define SPRN_NRI 82 /* Non recoverable interrupt (EE=0, RI=0) */
  28. /* Debug registers */
  29. #define SPRN_CMPA 144
  30. #define SPRN_COUNTA 150
  31. #define SPRN_CMPE 152
  32. #define SPRN_CMPF 153
  33. #define SPRN_LCTRL1 156
  34. #define LCTRL1_CTE_GT 0xc0000000
  35. #define LCTRL1_CTF_LT 0x14000000
  36. #define LCTRL1_CRWE_RW 0x00000000
  37. #define LCTRL1_CRWE_RO 0x00040000
  38. #define LCTRL1_CRWE_WO 0x000c0000
  39. #define LCTRL1_CRWF_RW 0x00000000
  40. #define LCTRL1_CRWF_RO 0x00010000
  41. #define LCTRL1_CRWF_WO 0x00030000
  42. #define SPRN_LCTRL2 157
  43. #define LCTRL2_LW0EN 0x80000000
  44. #define LCTRL2_LW0LA_E 0x00000000
  45. #define LCTRL2_LW0LA_F 0x04000000
  46. #define LCTRL2_LW0LA_EandF 0x08000000
  47. #define LCTRL2_LW0LADC 0x02000000
  48. #define LCTRL2_SLW0EN 0x00000002
  49. #ifdef CONFIG_PPC_8xx
  50. #define SPRN_ICTRL 158
  51. #endif
  52. #define SPRN_BAR 159
  53. /* Commands. Only the first few are available to the instruction cache.
  54. */
  55. #define IDC_ENABLE 0x02000000 /* Cache enable */
  56. #define IDC_DISABLE 0x04000000 /* Cache disable */
  57. #define IDC_LDLCK 0x06000000 /* Load and lock */
  58. #define IDC_UNLINE 0x08000000 /* Unlock line */
  59. #define IDC_UNALL 0x0a000000 /* Unlock all */
  60. #define IDC_INVALL 0x0c000000 /* Invalidate all */
  61. #define DC_FLINE 0x0e000000 /* Flush data cache line */
  62. #define DC_SFWT 0x01000000 /* Set forced writethrough mode */
  63. #define DC_CFWT 0x03000000 /* Clear forced writethrough mode */
  64. #define DC_SLES 0x05000000 /* Set little endian swap mode */
  65. #define DC_CLES 0x07000000 /* Clear little endian swap mode */
  66. /* Status.
  67. */
  68. #define IDC_ENABLED 0x80000000 /* Cache is enabled */
  69. #define IDC_CERR1 0x00200000 /* Cache error 1 */
  70. #define IDC_CERR2 0x00100000 /* Cache error 2 */
  71. #define IDC_CERR3 0x00080000 /* Cache error 3 */
  72. #define DC_DFWT 0x40000000 /* Data cache is forced write through */
  73. #define DC_LES 0x20000000 /* Caches are little endian mode */
  74. #endif /* _ASM_POWERPC_REG_8xx_H */