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