arch/parisc/include/asm/pdc.h

   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_pad1 : 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 */