1 #ifndef _PARISC_PDC_H 2 #define _PARISC_PDC_H 3 4 #include <uapi/asm/pdc.h> 5 6 #if !defined(__ASSEMBLY__) 7 8 extern int parisc_narrow_firmware; 9 10 extern int pdc_type; 11 extern unsigned long parisc_cell_num; /* cell number the CPU runs on (PAT) */ 12 extern unsigned long parisc_cell_loc; /* cell location of CPU (PAT) */ 13 14 /* Values for pdc_type */ 15 #define PDC_TYPE_ILLEGAL -1 16 #define PDC_TYPE_PAT 0 /* 64-bit PAT-PDC */ 17 #define PDC_TYPE_SYSTEM_MAP 1 /* 32-bit, but supports PDC_SYSTEM_MAP */ 18 #define PDC_TYPE_SNAKE 2 /* Doesn't support SYSTEM_MAP */ 19 20 struct pdc_chassis_info { /* for PDC_CHASSIS_INFO */ 21 unsigned long actcnt; /* actual number of bytes returned */ 22 unsigned long maxcnt; /* maximum number of bytes that could be returned */ 23 }; 24 25 struct pdc_coproc_cfg { /* for PDC_COPROC_CFG */ 26 unsigned long ccr_functional; 27 unsigned long ccr_present; 28 unsigned long revision; 29 unsigned long model; 30 }; 31 32 struct pdc_model { /* for PDC_MODEL */ 33 unsigned long hversion; 34 unsigned long sversion; 35 unsigned long hw_id; 36 unsigned long boot_id; 37 unsigned long sw_id; 38 unsigned long sw_cap; 39 unsigned long arch_rev; 40 unsigned long pot_key; 41 unsigned long curr_key; 42 }; 43 44 struct pdc_cache_cf { /* for PDC_CACHE (I/D-caches) */ 45 unsigned long 46 #ifdef CONFIG_64BIT 47 cc_padW:32, 48 #endif 49 cc_alias: 4, /* alias boundaries for virtual addresses */ 50 cc_block: 4, /* to determine most efficient stride */ 51 cc_line : 3, /* maximum amount written back as a result of store (multiple of 16 bytes) */ 52 cc_shift: 2, /* how much to shift cc_block left */ 53 cc_wt : 1, /* 0 = WT-Dcache, 1 = WB-Dcache */ 54 cc_sh : 2, /* 0 = separate I/D-cache, else shared I/D-cache */ 55 cc_cst : 3, /* 0 = incoherent D-cache, 1=coherent D-cache */ 56 cc_pad1 : 10, /* reserved */ 57 cc_hv : 3; /* hversion dependent */ 58 }; 59 60 struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */ 61 unsigned long tc_pad0:12, /* reserved */ 62 #ifdef CONFIG_64BIT 63 tc_padW:32, 64 #endif 65 tc_sh : 2, /* 0 = separate I/D-TLB, else shared I/D-TLB */ 66 tc_hv : 1, /* HV */ 67 tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */ 68 tc_cst : 3, /* 0 = incoherent operations, else coherent operations */ 69 tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */ 70 tc_sr : 8; /* ITLB: width of space-registers (encoded) */ 71 }; 72 73 struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */ 74 /* I-cache */ 75 unsigned long ic_size; /* size in bytes */ 76 struct pdc_cache_cf ic_conf; /* configuration */ 77 unsigned long ic_base; /* base-addr */ 78 unsigned long ic_stride; 79 unsigned long ic_count; 80 unsigned long ic_loop; 81 /* D-cache */ 82 unsigned long dc_size; /* size in bytes */ 83 struct pdc_cache_cf dc_conf; /* configuration */ 84 unsigned long dc_base; /* base-addr */ 85 unsigned long dc_stride; 86 unsigned long dc_count; 87 unsigned long dc_loop; 88 /* Instruction-TLB */ 89 unsigned long it_size; /* number of entries in I-TLB */ 90 struct pdc_tlb_cf it_conf; /* I-TLB-configuration */ 91 unsigned long it_sp_base; 92 unsigned long it_sp_stride; 93 unsigned long it_sp_count; 94 unsigned long it_off_base; 95 unsigned long it_off_stride; 96 unsigned long it_off_count; 97 unsigned long it_loop; 98 /* data-TLB */ 99 unsigned long dt_size; /* number of entries in D-TLB */ 100 struct pdc_tlb_cf dt_conf; /* D-TLB-configuration */ 101 unsigned long dt_sp_base; 102 unsigned long dt_sp_stride; 103 unsigned long dt_sp_count; 104 unsigned long dt_off_base; 105 unsigned long dt_off_stride; 106 unsigned long dt_off_count; 107 unsigned long dt_loop; 108 }; 109 110 #if 0 111 /* If you start using the next struct, you'll have to adjust it to 112 * work with 64-bit firmware I think -PB 113 */ 114 struct pdc_iodc { /* PDC_IODC */ 115 unsigned char hversion_model; 116 unsigned char hversion; 117 unsigned char spa; 118 unsigned char type; 119 unsigned int sversion_rev:4; 120 unsigned int sversion_model:19; 121 unsigned int sversion_opt:8; 122 unsigned char rev; 123 unsigned char dep; 124 unsigned char features; 125 unsigned char pad1; 126 unsigned int checksum:16; 127 unsigned int length:16; 128 unsigned int pad[15]; 129 } __attribute__((aligned(8))) ; 130 #endif 131 132 #ifndef CONFIG_PA20 133 /* no BLTBs in pa2.0 processors */ 134 struct pdc_btlb_info_range { 135 __u8 res00; 136 __u8 num_i; 137 __u8 num_d; 138 __u8 num_comb; 139 }; 140 141 struct pdc_btlb_info { /* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */ 142 unsigned int min_size; /* minimum size of BTLB in pages */ 143 unsigned int max_size; /* maximum size of BTLB in pages */ 144 struct pdc_btlb_info_range fixed_range_info; 145 struct pdc_btlb_info_range variable_range_info; 146 }; 147 148 #endif /* !CONFIG_PA20 */ 149 150 struct pdc_mem_retinfo { /* PDC_MEM/PDC_MEM_MEMINFO (return info) */ 151 unsigned long pdt_size; 152 unsigned long pdt_entries; 153 unsigned long pdt_status; 154 unsigned long first_dbe_loc; 155 unsigned long good_mem; 156 }; 157 158 struct pdc_mem_read_pdt { /* PDC_MEM/PDC_MEM_READ_PDT (return info) */ 159 unsigned long pdt_entries; 160 }; 161 162 #ifdef CONFIG_64BIT 163 struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */ 164 unsigned long entries_returned; 165 unsigned long entries_total; 166 }; 167 168 struct pdc_memory_table { /* PDC_MEM/PDC_MEM_TABLE (arguments) */ 169 unsigned long paddr; 170 unsigned int pages; 171 unsigned int reserved; 172 }; 173 #endif /* CONFIG_64BIT */ 174 175 struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */ 176 unsigned long mod_addr; 177 unsigned long mod_pgs; 178 unsigned long add_addrs; 179 }; 180 181 struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */ 182 unsigned long mod_addr; 183 unsigned long mod_pgs; 184 }; 185 186 struct pdc_initiator { /* PDC_INITIATOR */ 187 int host_id; 188 int factor; 189 int width; 190 int mode; 191 }; 192 193 struct hardware_path { 194 char flags; /* see bit definitions below */ 195 char bc[6]; /* Bus Converter routing info to a specific */ 196 /* I/O adaptor (< 0 means none, > 63 resvd) */ 197 char mod; /* fixed field of specified module */ 198 }; 199 200 /* 201 * Device path specifications used by PDC. 202 */ 203 struct pdc_module_path { 204 struct hardware_path path; 205 unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */ 206 }; 207 208 #ifndef CONFIG_PA20 209 /* Only used on some pre-PA2.0 boxes */ 210 struct pdc_memory_map { /* PDC_MEMORY_MAP */ 211 unsigned long hpa; /* mod's register set address */ 212 unsigned long more_pgs; /* number of additional I/O pgs */ 213 }; 214 #endif 215 216 struct pdc_tod { 217 unsigned long tod_sec; 218 unsigned long tod_usec; 219 }; 220 221 /* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */ 222 223 struct pdc_hpmc_pim_11 { /* PDC_PIM */ 224 __u32 gr[32]; 225 __u32 cr[32]; 226 __u32 sr[8]; 227 __u32 iasq_back; 228 __u32 iaoq_back; 229 __u32 check_type; 230 __u32 cpu_state; 231 __u32 rsvd1; 232 __u32 cache_check; 233 __u32 tlb_check; 234 __u32 bus_check; 235 __u32 assists_check; 236 __u32 rsvd2; 237 __u32 assist_state; 238 __u32 responder_addr; 239 __u32 requestor_addr; 240 __u32 path_info; 241 __u64 fr[32]; 242 }; 243 244 /* 245 * architected results from PDC_PIM/transfer hpmc on a PA2.0 machine 246 * 247 * Note that PDC_PIM doesn't care whether or not wide mode was enabled 248 * so the results are different on PA1.1 vs. PA2.0 when in narrow mode. 249 * 250 * Note also that there are unarchitected results available, which 251 * are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since 252 * the firmware is probably the best way of printing hversion dependent 253 * data. 254 */ 255 256 struct pdc_hpmc_pim_20 { /* PDC_PIM */ 257 __u64 gr[32]; 258 __u64 cr[32]; 259 __u64 sr[8]; 260 __u64 iasq_back; 261 __u64 iaoq_back; 262 __u32 check_type; 263 __u32 cpu_state; 264 __u32 cache_check; 265 __u32 tlb_check; 266 __u32 bus_check; 267 __u32 assists_check; 268 __u32 assist_state; 269 __u32 path_info; 270 __u64 responder_addr; 271 __u64 requestor_addr; 272 __u64 fr[32]; 273 }; 274 275 void pdc_console_init(void); /* in pdc_console.c */ 276 void pdc_console_restart(void); 277 278 void setup_pdc(void); /* in inventory.c */ 279 280 /* wrapper-functions from pdc.c */ 281 282 int pdc_add_valid(unsigned long address); 283 int pdc_instr(unsigned int *instr); 284 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len); 285 int pdc_chassis_disp(unsigned long disp); 286 int pdc_chassis_warn(unsigned long *warn); 287 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info); 288 int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info); 289 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index, 290 void *iodc_data, unsigned int iodc_data_size); 291 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info, 292 struct pdc_module_path *mod_path, long mod_index); 293 int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info, 294 long mod_index, long addr_index); 295 int pdc_model_info(struct pdc_model *model); 296 int pdc_model_sysmodel(char *name); 297 int pdc_model_cpuid(unsigned long *cpu_id); 298 int pdc_model_versions(unsigned long *versions, int id); 299 int pdc_model_capabilities(unsigned long *capabilities); 300 int pdc_cache_info(struct pdc_cache_info *cache); 301 int pdc_spaceid_bits(unsigned long *space_bits); 302 #ifndef CONFIG_PA20 303 int pdc_btlb_info(struct pdc_btlb_info *btlb); 304 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path); 305 #endif /* !CONFIG_PA20 */ 306 int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa); 307 308 int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count); 309 int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count); 310 int pdc_stable_get_size(unsigned long *size); 311 int pdc_stable_verify_contents(void); 312 int pdc_stable_initialize(void); 313 314 int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa); 315 int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl); 316 317 int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *); 318 int pdc_tod_read(struct pdc_tod *tod); 319 int pdc_tod_set(unsigned long sec, unsigned long usec); 320 321 void pdc_pdt_init(void); /* in pdt.c */ 322 int pdc_mem_pdt_info(struct pdc_mem_retinfo *rinfo); 323 int pdc_mem_pdt_read_entries(struct pdc_mem_read_pdt *rpdt_read, 324 unsigned long *pdt_entries_ptr); 325 #ifdef CONFIG_64BIT 326 int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, 327 struct pdc_memory_table *tbl, unsigned long entries); 328 #endif 329 330 void set_firmware_width(void); 331 void set_firmware_width_unlocked(void); 332 int pdc_do_firm_test_reset(unsigned long ftc_bitmap); 333 int pdc_do_reset(void); 334 int pdc_soft_power_info(unsigned long *power_reg); 335 int pdc_soft_power_button(int sw_control); 336 void pdc_io_reset(void); 337 void pdc_io_reset_devices(void); 338 int pdc_iodc_getc(void); 339 int pdc_iodc_print(const unsigned char *str, unsigned count); 340 341 void pdc_emergency_unlock(void); 342 int pdc_sti_call(unsigned long func, unsigned long flags, 343 unsigned long inptr, unsigned long outputr, 344 unsigned long glob_cfg); 345 346 static inline char * os_id_to_string(u16 os_id) { 347 switch(os_id) { 348 case OS_ID_NONE: return "No OS"; 349 case OS_ID_HPUX: return "HP-UX"; 350 case OS_ID_MPEXL: return "MPE-iX"; 351 case OS_ID_OSF: return "OSF"; 352 case OS_ID_HPRT: return "HP-RT"; 353 case OS_ID_NOVEL: return "Novell Netware"; 354 case OS_ID_LINUX: return "Linux"; 355 default: return "Unknown"; 356 } 357 } 358 359 #endif /* !defined(__ASSEMBLY__) */ 360 #endif /* _PARISC_PDC_H */ 361