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 int hw_type:8; /* HPHW_xxx */ 14 unsigned int hversion:12; 15 unsigned int sversion:12; 16 unsigned char opt; 17 unsigned char name[59]; /* The hardware description */ 18 } __packed; 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 */ 130