hardware.h 4.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _PARISC_HARDWARE_H
  3. #define _PARISC_HARDWARE_H
  4. #include <linux/mod_devicetable.h>
  5. #define HWTYPE_ANY_ID PA_HWTYPE_ANY_ID
  6. #define HVERSION_ANY_ID PA_HVERSION_ANY_ID
  7. #define HVERSION_REV_ANY_ID PA_HVERSION_REV_ANY_ID
  8. #define SVERSION_ANY_ID PA_SVERSION_ANY_ID
  9. struct hp_hardware {
  10. unsigned int hw_type:8; /* HPHW_xxx */
  11. unsigned int hversion:12;
  12. unsigned int sversion:12;
  13. unsigned char opt;
  14. unsigned char name[59]; /* The hardware description */
  15. } __packed;
  16. struct parisc_device;
  17. enum cpu_type {
  18. pcx = 0, /* pa7000 pa 1.0 */
  19. pcxs = 1, /* pa7000 pa 1.1a */
  20. pcxt = 2, /* pa7100 pa 1.1b */
  21. pcxt_ = 3, /* pa7200 (t') pa 1.1c */
  22. pcxl = 4, /* pa7100lc pa 1.1d */
  23. pcxl2 = 5, /* pa7300lc pa 1.1e */
  24. pcxu = 6, /* pa8000 pa 2.0 */
  25. pcxu_ = 7, /* pa8200 (u+) pa 2.0 */
  26. pcxw = 8, /* pa8500 pa 2.0 */
  27. pcxw_ = 9, /* pa8600 (w+) pa 2.0 */
  28. pcxw2 = 10, /* pa8700 pa 2.0 */
  29. mako = 11, /* pa8800 pa 2.0 */
  30. mako2 = 12 /* pa8900 pa 2.0 */
  31. };
  32. extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */
  33. struct parisc_driver;
  34. struct io_module {
  35. volatile uint32_t nothing; /* reg 0 */
  36. volatile uint32_t io_eim;
  37. volatile uint32_t io_dc_adata;
  38. volatile uint32_t io_ii_cdata;
  39. volatile uint32_t io_dma_link; /* reg 4 */
  40. volatile uint32_t io_dma_command;
  41. volatile uint32_t io_dma_address;
  42. volatile uint32_t io_dma_count;
  43. volatile uint32_t io_flex; /* reg 8 */
  44. volatile uint32_t io_spa_address;
  45. volatile uint32_t reserved1[2];
  46. volatile uint32_t io_command; /* reg 12 */
  47. volatile uint32_t io_status;
  48. volatile uint32_t io_control;
  49. volatile uint32_t io_data;
  50. volatile uint32_t reserved2; /* reg 16 */
  51. volatile uint32_t chain_addr;
  52. volatile uint32_t sub_mask_clr;
  53. volatile uint32_t reserved3[13];
  54. volatile uint32_t undefined[480];
  55. volatile uint32_t unpriv[512];
  56. };
  57. struct bc_module {
  58. volatile uint32_t unused1[12];
  59. volatile uint32_t io_command;
  60. volatile uint32_t io_status;
  61. volatile uint32_t io_control;
  62. volatile uint32_t unused2[1];
  63. volatile uint32_t io_err_resp;
  64. volatile uint32_t io_err_info;
  65. volatile uint32_t io_err_req;
  66. volatile uint32_t unused3[11];
  67. volatile uint32_t io_io_low;
  68. volatile uint32_t io_io_high;
  69. };
  70. #define HPHW_NPROC 0
  71. #define HPHW_MEMORY 1
  72. #define HPHW_B_DMA 2
  73. #define HPHW_OBSOLETE 3
  74. #define HPHW_A_DMA 4
  75. #define HPHW_A_DIRECT 5
  76. #define HPHW_OTHER 6
  77. #define HPHW_BCPORT 7
  78. #define HPHW_CIO 8
  79. #define HPHW_CONSOLE 9
  80. #define HPHW_FIO 10
  81. #define HPHW_BA 11
  82. #define HPHW_IOA 12
  83. #define HPHW_BRIDGE 13
  84. #define HPHW_FABRIC 14
  85. #define HPHW_MC 15
  86. #define HPHW_FAULTY 31
  87. struct parisc_device_id;
  88. /* hardware.c: */
  89. extern const char *parisc_hardware_description(struct parisc_device_id *id);
  90. extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
  91. struct pci_dev;
  92. struct hardware_path;
  93. /* drivers.c: */
  94. extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
  95. struct hardware_path *path);
  96. extern int register_parisc_device(struct parisc_device *dev);
  97. extern int register_parisc_driver(struct parisc_driver *driver);
  98. extern int count_parisc_driver(struct parisc_driver *driver);
  99. extern int unregister_parisc_driver(struct parisc_driver *driver);
  100. extern void walk_central_bus(void);
  101. extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
  102. extern void print_parisc_devices(void);
  103. extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
  104. extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
  105. extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
  106. extern void init_parisc_bus(void);
  107. extern struct device *hwpath_to_device(struct hardware_path *modpath);
  108. extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
  109. extern int machine_has_merced_bus(void);
  110. /* inventory.c: */
  111. extern void do_memory_inventory(void);
  112. extern void do_device_inventory(void);
  113. #endif /* _PARISC_HARDWARE_H */