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