arch/parisc/include/asm/hardware.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _PARISC_HARDWARE_H
   3 #define _PARISC_HARDWARE_H
   4
   5 #include <linux/mod_devicetable.h>
   6
   7 #define HWTYPE_ANY_ID           PA_HWTYPE_ANY_ID
   8 #define HVERSION_ANY_ID         PA_HVERSION_ANY_ID
   9 #define HVERSION_REV_ANY_ID     PA_HVERSION_REV_ANY_ID
  10 #define SVERSION_ANY_ID         PA_SVERSION_ANY_ID
  11
  12 struct hp_hardware {
  13         unsigned short  hw_type:5;      /* HPHW_xxx */
  14         unsigned short  hversion;
  15         unsigned long   sversion:28;
  16         unsigned short  opt;
  17         const char      name[80];       /* The hardware description */
  18 };
  19
  20 struct parisc_device;
  21
  22 enum cpu_type {
  23         pcx     = 0, /* pa7000          pa 1.0  */
  24         pcxs    = 1, /* pa7000          pa 1.1a */
  25         pcxt    = 2, /* pa7100          pa 1.1b */
  26         pcxt_   = 3, /* pa7200  (t')    pa 1.1c */
  27         pcxl    = 4, /* pa7100lc        pa 1.1d */
  28         pcxl2   = 5, /* pa7300lc        pa 1.1e */
  29         pcxu    = 6, /* pa8000          pa 2.0  */
  30         pcxu_   = 7, /* pa8200  (u+)    pa 2.0  */
  31         pcxw    = 8, /* pa8500          pa 2.0  */
  32         pcxw_   = 9, /* pa8600  (w+)    pa 2.0  */
  33         pcxw2   = 10, /* pa8700         pa 2.0  */
  34         mako    = 11, /* pa8800         pa 2.0  */
  35         mako2   = 12  /* pa8900         pa 2.0  */
  36 };
  37
  38 extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */
  39
  40 struct parisc_driver;
  41
  42 struct io_module {
  43         volatile uint32_t nothing;              /* reg 0 */
  44         volatile uint32_t io_eim;
  45         volatile uint32_t io_dc_adata;
  46         volatile uint32_t io_ii_cdata;
  47         volatile uint32_t io_dma_link;          /* reg 4 */
  48         volatile uint32_t io_dma_command;
  49         volatile uint32_t io_dma_address;
  50         volatile uint32_t io_dma_count;
  51         volatile uint32_t io_flex;              /* reg 8 */
  52         volatile uint32_t io_spa_address;
  53         volatile uint32_t reserved1[2];
  54         volatile uint32_t io_command;           /* reg 12 */
  55         volatile uint32_t io_status;
  56         volatile uint32_t io_control;
  57         volatile uint32_t io_data;
  58         volatile uint32_t reserved2;            /* reg 16 */
  59         volatile uint32_t chain_addr;
  60         volatile uint32_t sub_mask_clr;
  61         volatile uint32_t reserved3[13];
  62         volatile uint32_t undefined[480];
  63         volatile uint32_t unpriv[512];
  64 };
  65
  66 struct bc_module {
  67         volatile uint32_t unused1[12];
  68         volatile uint32_t io_command;
  69         volatile uint32_t io_status;
  70         volatile uint32_t io_control;
  71         volatile uint32_t unused2[1];
  72         volatile uint32_t io_err_resp;
  73         volatile uint32_t io_err_info;
  74         volatile uint32_t io_err_req;
  75         volatile uint32_t unused3[11];
  76         volatile uint32_t io_io_low;
  77         volatile uint32_t io_io_high;
  78 };
  79
  80 #define HPHW_NPROC     0
  81 #define HPHW_MEMORY    1
  82 #define HPHW_B_DMA     2
  83 #define HPHW_OBSOLETE  3
  84 #define HPHW_A_DMA     4
  85 #define HPHW_A_DIRECT  5
  86 #define HPHW_OTHER     6
  87 #define HPHW_BCPORT    7
  88 #define HPHW_CIO       8
  89 #define HPHW_CONSOLE   9
  90 #define HPHW_FIO       10
  91 #define HPHW_BA        11
  92 #define HPHW_IOA       12
  93 #define HPHW_BRIDGE    13
  94 #define HPHW_FABRIC    14
  95 #define HPHW_MC        15
  96 #define HPHW_FAULTY    31
  97
  98 struct parisc_device_id;
  99
 100 /* hardware.c: */
 101 extern const char *parisc_hardware_description(struct parisc_device_id *id);
 102 extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
 103
 104 struct pci_dev;
 105 struct hardware_path;
 106
 107 /* drivers.c: */
 108 extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
 109                 struct hardware_path *path);
 110 extern int register_parisc_device(struct parisc_device *dev);
 111 extern int register_parisc_driver(struct parisc_driver *driver);
 112 extern int count_parisc_driver(struct parisc_driver *driver);
 113 extern int unregister_parisc_driver(struct parisc_driver *driver);
 114 extern void walk_central_bus(void);
 115 extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
 116 extern void print_parisc_devices(void);
 117 extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
 118 extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
 119 extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
 120 extern void init_parisc_bus(void);
 121 extern struct device *hwpath_to_device(struct hardware_path *modpath);
 122 extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
 123 extern int machine_has_merced_bus(void);
 124
 125 /* inventory.c: */
 126 extern void do_memory_inventory(void);
 127 extern void do_device_inventory(void);
 128
 129 #endif /* _PARISC_HARDWARE_H */