include/asm-i386/voyager.h

   1 /* Copyright (C) 1999,2001
   2  *
   3  * Author: J.E.J.Bottomley@HansenPartnership.com
   4  *
   5  * Standard include definitions for the NCR Voyager system */
   6
   7 #undef  VOYAGER_DEBUG
   8 #undef  VOYAGER_CAT_DEBUG
   9
  10 #ifdef VOYAGER_DEBUG
  11 #define VDEBUG(x)       printk x
  12 #else
  13 #define VDEBUG(x)
  14 #endif
  15
  16 /* There are three levels of voyager machine: 3,4 and 5. The rule is
  17  * if it's less than 3435 it's a Level 3 except for a 3360 which is
  18  * a level 4.  A 3435 or above is a Level 5 */
  19 #define VOYAGER_LEVEL5_AND_ABOVE        0x3435
  20 #define VOYAGER_LEVEL4                  0x3360
  21
  22 /* The L4 DINO ASIC */
  23 #define VOYAGER_DINO                    0x43
  24
  25 /* voyager ports in standard I/O space */
  26 #define VOYAGER_MC_SETUP        0x96
  27
  28
  29 #define VOYAGER_CAT_CONFIG_PORT                 0x97
  30 #       define VOYAGER_CAT_DESELECT             0xff
  31 #define VOYAGER_SSPB_RELOCATION_PORT            0x98
  32
  33 /* Valid CAT controller commands */
  34 /* start instruction register cycle */
  35 #define VOYAGER_CAT_IRCYC                       0x01
  36 /* start data register cycle */
  37 #define VOYAGER_CAT_DRCYC                       0x02
  38 /* move to execute state */
  39 #define VOYAGER_CAT_RUN                         0x0F
  40 /* end operation */
  41 #define VOYAGER_CAT_END                         0x80
  42 /* hold in idle state */
  43 #define VOYAGER_CAT_HOLD                        0x90
  44 /* single step an "intest" vector */
  45 #define VOYAGER_CAT_STEP                        0xE0
  46 /* return cat controller to CLEMSON mode */
  47 #define VOYAGER_CAT_CLEMSON                     0xFF
  48
  49 /* the default cat command header */
  50 #define VOYAGER_CAT_HEADER                      0x7F
  51
  52 /* the range of possible CAT module ids in the system */
  53 #define VOYAGER_MIN_MODULE                      0x10
  54 #define VOYAGER_MAX_MODULE                      0x1f
  55
  56 /* The voyager registers per asic */
  57 #define VOYAGER_ASIC_ID_REG                     0x00
  58 #define VOYAGER_ASIC_TYPE_REG                   0x01
  59 /* the sub address registers can be made auto incrementing on reads */
  60 #define VOYAGER_AUTO_INC_REG                    0x02
  61 #       define VOYAGER_AUTO_INC                 0x04
  62 #       define VOYAGER_NO_AUTO_INC              0xfb
  63 #define VOYAGER_SUBADDRDATA                     0x03
  64 #define VOYAGER_SCANPATH                        0x05
  65 #       define VOYAGER_CONNECT_ASIC             0x01
  66 #       define VOYAGER_DISCONNECT_ASIC          0xfe
  67 #define VOYAGER_SUBADDRLO                       0x06
  68 #define VOYAGER_SUBADDRHI                       0x07
  69 #define VOYAGER_SUBMODSELECT                    0x08
  70 #define VOYAGER_SUBMODPRESENT                   0x09
  71
  72 #define VOYAGER_SUBADDR_LO                      0xff
  73 #define VOYAGER_SUBADDR_HI                      0xffff
  74
  75 /* the maximum size of a scan path -- used to form instructions */
  76 #define VOYAGER_MAX_SCAN_PATH                   0x100
  77 /* the biggest possible register size (in bytes) */
  78 #define VOYAGER_MAX_REG_SIZE                    4
  79
  80 /* Total number of possible modules (including submodules) */
  81 #define VOYAGER_MAX_MODULES                     16
  82 /* Largest number of asics per module */
  83 #define VOYAGER_MAX_ASICS_PER_MODULE            7
  84
  85 /* the CAT asic of each module is always the first one */
  86 #define VOYAGER_CAT_ID                          0
  87 #define VOYAGER_PSI                             0x1a
  88
  89 /* voyager instruction operations and registers */
  90 #define VOYAGER_READ_CONFIG                     0x1
  91 #define VOYAGER_WRITE_CONFIG                    0x2
  92 #define VOYAGER_BYPASS                          0xff
  93
  94 typedef struct voyager_asic
  95 {
  96         __u8    asic_addr;      /* ASIC address; Level 4 */
  97         __u8    asic_type;      /* ASIC type */
  98         __u8    asic_id;        /* ASIC id */
  99         __u8    jtag_id[4];     /* JTAG id */
 100         __u8    asic_location;  /* Location within scan path; start w/ 0 */
 101         __u8    bit_location;   /* Location within bit stream; start w/ 0 */
 102         __u8    ireg_length;    /* Instruction register length */
 103         __u16   subaddr;        /* Amount of sub address space */
 104         struct voyager_asic *next;      /* Next asic in linked list */
 105 } voyager_asic_t;
 106
 107 typedef struct voyager_module {
 108         __u8    module_addr;            /* Module address */
 109         __u8    scan_path_connected;    /* Scan path connected */
 110         __u16   ee_size;                /* Size of the EEPROM */
 111         __u16   num_asics;              /* Number of Asics */
 112         __u16   inst_bits;              /* Instruction bits in the scan path */
 113         __u16   largest_reg;            /* Largest register in the scan path */
 114         __u16   smallest_reg;           /* Smallest register in the scan path */
 115         voyager_asic_t   *asic;         /* First ASIC in scan path (CAT_I) */
 116         struct   voyager_module *submodule;     /* Submodule pointer */
 117         struct   voyager_module *next;          /* Next module in linked list */
 118 } voyager_module_t;
 119
 120 typedef struct voyager_eeprom_hdr {
 121          __u8  module_id[4];
 122          __u8  version_id;
 123          __u8  config_id;
 124          __u16 boundry_id;      /* boundary scan id */
 125          __u16 ee_size;         /* size of EEPROM */
 126          __u8  assembly[11];    /* assembly # */
 127          __u8  assembly_rev;    /* assembly rev */
 128          __u8  tracer[4];       /* tracer number */
 129          __u16 assembly_cksum;  /* asm checksum */
 130          __u16 power_consump;   /* pwr requirements */
 131          __u16 num_asics;       /* number of asics */
 132          __u16 bist_time;       /* min. bist time */
 133          __u16 err_log_offset;  /* error log offset */
 134          __u16 scan_path_offset;/* scan path offset */
 135          __u16 cct_offset;
 136          __u16 log_length;      /* length of err log */
 137          __u16 xsum_end;        /* offset to end of
 138                                                            checksum */
 139          __u8  reserved[4];
 140          __u8  sflag;           /* starting sentinal */
 141          __u8  part_number[13]; /* prom part number */
 142          __u8  version[10];     /* version number */
 143          __u8  signature[8];
 144          __u16 eeprom_chksum;
 145          __u32  data_stamp_offset;
 146          __u8  eflag ;           /* ending sentinal */
 147 } __attribute__((packed)) voyager_eprom_hdr_t;
 148
 149
 150
 151 #define VOYAGER_EPROM_SIZE_OFFSET   ((__u16)(&(((voyager_eprom_hdr_t *)0)->ee_size)))
 152 #define VOYAGER_XSUM_END_OFFSET         0x2a
 153
 154 /* the following three definitions are for internal table layouts
 155  * in the module EPROMs.  We really only care about the IDs and
 156  * offsets */
 157 typedef struct voyager_sp_table {
 158         __u8 asic_id;
 159         __u8 bypass_flag;
 160         __u16 asic_data_offset;
 161         __u16 config_data_offset;
 162 } __attribute__((packed)) voyager_sp_table_t;
 163
 164 typedef struct voyager_jtag_table {
 165         __u8 icode[4];
 166         __u8 runbist[4];
 167         __u8 intest[4];
 168         __u8 samp_preld[4];
 169         __u8 ireg_len;
 170 } __attribute__((packed)) voyager_jtt_t;
 171
 172 typedef struct voyager_asic_data_table {
 173         __u8 jtag_id[4];
 174         __u16 length_bsr;
 175         __u16 length_bist_reg;
 176         __u32 bist_clk;
 177         __u16 subaddr_bits;
 178         __u16 seed_bits;
 179         __u16 sig_bits;
 180         __u16 jtag_offset;
 181 } __attribute__((packed)) voyager_at_t;
 182
 183 /* Voyager Interrupt Controller (VIC) registers */
 184
 185 /* Base to add to Cross Processor Interrupts (CPIs) when triggering
 186  * the CPU IRQ line */
 187 /* register defines for the WCBICs (one per processor) */
 188 #define VOYAGER_WCBIC0  0x41            /* bus A node P1 processor 0 */
 189 #define VOYAGER_WCBIC1  0x49            /* bus A node P1 processor 1 */
 190 #define VOYAGER_WCBIC2  0x51            /* bus A node P2 processor 0 */
 191 #define VOYAGER_WCBIC3  0x59            /* bus A node P2 processor 1 */
 192 #define VOYAGER_WCBIC4  0x61            /* bus B node P1 processor 0 */
 193 #define VOYAGER_WCBIC5  0x69            /* bus B node P1 processor 1 */
 194 #define VOYAGER_WCBIC6  0x71            /* bus B node P2 processor 0 */
 195 #define VOYAGER_WCBIC7  0x79            /* bus B node P2 processor 1 */
 196
 197
 198 /* top of memory registers */
 199 #define VOYAGER_WCBIC_TOM_L     0x4
 200 #define VOYAGER_WCBIC_TOM_H     0x5
 201
 202 /* register defines for Voyager Memory Contol (VMC)
 203  * these are present on L4 machines only */
 204 #define VOYAGER_VMC1            0x81
 205 #define VOYAGER_VMC2            0x91
 206 #define VOYAGER_VMC3            0xa1
 207 #define VOYAGER_VMC4            0xb1
 208
 209 /* VMC Ports */
 210 #define VOYAGER_VMC_MEMORY_SETUP        0x9
 211 #       define VMC_Interleaving         0x01
 212 #       define VMC_4Way                 0x02
 213 #       define VMC_EvenCacheLines       0x04
 214 #       define VMC_HighLine             0x08
 215 #       define VMC_Start0_Enable        0x20
 216 #       define VMC_Start1_Enable        0x40
 217 #       define VMC_Vremap               0x80
 218 #define VOYAGER_VMC_BANK_DENSITY        0xa
 219 #       define  VMC_BANK_EMPTY          0
 220 #       define  VMC_BANK_4MB            1
 221 #       define  VMC_BANK_16MB           2
 222 #       define  VMC_BANK_64MB           3
 223 #       define  VMC_BANK0_MASK          0x03
 224 #       define  VMC_BANK1_MASK          0x0C
 225 #       define  VMC_BANK2_MASK          0x30
 226 #       define  VMC_BANK3_MASK          0xC0
 227
 228 /* Magellan Memory Controller (MMC) defines - present on L5 */
 229 #define VOYAGER_MMC_ASIC_ID             1
 230 /* the two memory modules corresponding to memory cards in the system */
 231 #define VOYAGER_MMC_MEMORY0_MODULE      0x14
 232 #define VOYAGER_MMC_MEMORY1_MODULE      0x15
 233 /* the Magellan Memory Address (MMA) defines */
 234 #define VOYAGER_MMA_ASIC_ID             2
 235
 236 /* Submodule number for the Quad Baseboard */
 237 #define VOYAGER_QUAD_BASEBOARD          1
 238
 239 /* ASIC defines for the Quad Baseboard */
 240 #define VOYAGER_QUAD_QDATA0             1
 241 #define VOYAGER_QUAD_QDATA1             2
 242 #define VOYAGER_QUAD_QABC               3
 243
 244 /* Useful areas in extended CMOS */
 245 #define VOYAGER_PROCESSOR_PRESENT_MASK  0x88a
 246 #define VOYAGER_MEMORY_CLICKMAP         0xa23
 247 #define VOYAGER_DUMP_LOCATION           0xb1a
 248
 249 /* SUS In Control bit - used to tell SUS that we don't need to be
 250  * babysat anymore */
 251 #define VOYAGER_SUS_IN_CONTROL_PORT     0x3ff
 252 #       define VOYAGER_IN_CONTROL_FLAG  0x80
 253
 254 /* Voyager PSI defines */
 255 #define VOYAGER_PSI_STATUS_REG          0x08
 256 #       define PSI_DC_FAIL              0x01
 257 #       define PSI_MON                  0x02
 258 #       define PSI_FAULT                0x04
 259 #       define PSI_ALARM                0x08
 260 #       define PSI_CURRENT              0x10
 261 #       define PSI_DVM                  0x20
 262 #       define PSI_PSCFAULT             0x40
 263 #       define PSI_STAT_CHG             0x80
 264
 265 #define VOYAGER_PSI_SUPPLY_REG          0x8000
 266         /* read */
 267 #       define PSI_FAIL_DC              0x01
 268 #       define PSI_FAIL_AC              0x02
 269 #       define PSI_MON_INT              0x04
 270 #       define PSI_SWITCH_OFF           0x08
 271 #       define PSI_HX_OFF               0x10
 272 #       define PSI_SECURITY             0x20
 273 #       define PSI_CMOS_BATT_LOW        0x40
 274 #       define PSI_CMOS_BATT_FAIL       0x80
 275         /* write */
 276 #       define PSI_CLR_SWITCH_OFF       0x13
 277 #       define PSI_CLR_HX_OFF           0x14
 278 #       define PSI_CLR_CMOS_BATT_FAIL   0x17
 279
 280 #define VOYAGER_PSI_MASK                0x8001
 281 #       define PSI_MASK_MASK            0x10
 282
 283 #define VOYAGER_PSI_AC_FAIL_REG         0x8004
 284 #define AC_FAIL_STAT_CHANGE             0x80
 285
 286 #define VOYAGER_PSI_GENERAL_REG         0x8007
 287         /* read */
 288 #       define PSI_SWITCH_ON            0x01
 289 #       define PSI_SWITCH_ENABLED       0x02
 290 #       define PSI_ALARM_ENABLED        0x08
 291 #       define PSI_SECURE_ENABLED       0x10
 292 #       define PSI_COLD_RESET           0x20
 293 #       define PSI_COLD_START           0x80
 294         /* write */
 295 #       define PSI_POWER_DOWN           0x10
 296 #       define PSI_SWITCH_DISABLE       0x01
 297 #       define PSI_SWITCH_ENABLE        0x11
 298 #       define PSI_CLEAR                0x12
 299 #       define PSI_ALARM_DISABLE        0x03
 300 #       define PSI_ALARM_ENABLE         0x13
 301 #       define PSI_CLEAR_COLD_RESET     0x05
 302 #       define PSI_SET_COLD_RESET       0x15
 303 #       define PSI_CLEAR_COLD_START     0x07
 304 #       define PSI_SET_COLD_START       0x17
 305
 306
 307
 308 struct voyager_bios_info {
 309         __u8    len;
 310         __u8    major;
 311         __u8    minor;
 312         __u8    debug;
 313         __u8    num_classes;
 314         __u8    class_1;
 315         __u8    class_2;
 316 };
 317
 318 /* The following structures and definitions are for the Kernel/SUS
 319  * interface these are needed to find out how SUS initialised any Quad
 320  * boards in the system */
 321
 322 #define NUMBER_OF_MC_BUSSES     2
 323 #define SLOTS_PER_MC_BUS        8
 324 #define MAX_CPUS                16      /* 16 way CPU system */
 325 #define MAX_PROCESSOR_BOARDS    4       /* 4 processor slot system */
 326 #define MAX_CACHE_LEVELS        4       /* # of cache levels supported */
 327 #define MAX_SHARED_CPUS         4       /* # of CPUs that can share a LARC */
 328 #define NUMBER_OF_POS_REGS      8
 329
 330 typedef struct {
 331         __u8    MC_Slot;
 332         __u8    POS_Values[NUMBER_OF_POS_REGS];
 333 } __attribute__((packed)) MC_SlotInformation_t;
 334
 335 struct QuadDescription {
 336         __u8  Type;     /* for type 0 (DYADIC or MONADIC) all fields
 337                          * will be zero except for slot */
 338         __u8 StructureVersion;
 339         __u32 CPI_BaseAddress;
 340         __u32  LARC_BankSize;
 341         __u32 LocalMemoryStateBits;
 342         __u8  Slot; /* Processor slots 1 - 4 */
 343 } __attribute__((packed));
 344
 345 struct ProcBoardInfo {
 346         __u8 Type;
 347         __u8 StructureVersion;
 348         __u8 NumberOfBoards;
 349         struct QuadDescription QuadData[MAX_PROCESSOR_BOARDS];
 350 } __attribute__((packed));
 351
 352 struct CacheDescription {
 353         __u8 Level;
 354         __u32 TotalSize;
 355         __u16 LineSize;
 356         __u8  Associativity;
 357         __u8  CacheType;
 358         __u8  WriteType;
 359         __u8  Number_CPUs_SharedBy;
 360         __u8  Shared_CPUs_Hardware_IDs[MAX_SHARED_CPUS];
 361
 362 } __attribute__((packed));
 363
 364 struct CPU_Description {
 365         __u8 CPU_HardwareId;
 366         char *FRU_String;
 367         __u8 NumberOfCacheLevels;
 368         struct CacheDescription CacheLevelData[MAX_CACHE_LEVELS];
 369 } __attribute__((packed));
 370
 371 struct CPU_Info {
 372         __u8 Type;
 373         __u8 StructureVersion;
 374         __u8 NumberOf_CPUs;
 375         struct CPU_Description CPU_Data[MAX_CPUS];
 376 } __attribute__((packed));
 377
 378
 379 /*
 380  * This structure will be used by SUS and the OS.
 381  * The assumption about this structure is that no blank space is
 382  * packed in it by our friend the compiler.
 383  */
 384 typedef struct {
 385         __u8    Mailbox_SUS;            /* Written to by SUS to give commands/response to the OS */
 386         __u8    Mailbox_OS;             /* Written to by the OS to give commands/response to SUS */
 387         __u8    SUS_MailboxVersion;     /* Tells the OS which iteration of the interface SUS supports */
 388         __u8    OS_MailboxVersion;      /* Tells SUS which iteration of the interface the OS supports */
 389         __u32   OS_Flags;               /* Flags set by the OS as info for SUS */
 390         __u32   SUS_Flags;              /* Flags set by SUS as info for the OS */
 391         __u32   WatchDogPeriod;         /* Watchdog period (in seconds) which the DP uses to see if the OS is dead */
 392         __u32   WatchDogCount;          /* Updated by the OS on every tic. */
 393         __u32   MemoryFor_SUS_ErrorLog; /* Flat 32 bit address which tells SUS where to stuff the SUS error log on a dump */
 394         MC_SlotInformation_t  MC_SlotInfo[NUMBER_OF_MC_BUSSES*SLOTS_PER_MC_BUS];        /* Storage for MCA POS data */
 395         /* All new SECOND_PASS_INTERFACE fields added from this point */
 396         struct ProcBoardInfo    *BoardData;
 397         struct CPU_Info         *CPU_Data;
 398         /* All new fields must be added from this point */
 399 } Voyager_KernelSUS_Mbox_t;
 400
 401 /* structure for finding the right memory address to send a QIC CPI to */
 402 struct voyager_qic_cpi {
 403         /* Each cache line (32 bytes) can trigger a cpi.  The cpi
 404          * read/write may occur anywhere in the cache line---pick the
 405          * middle to be safe */
 406         struct  {
 407                 __u32 pad1[3];
 408                 __u32 cpi;
 409                 __u32 pad2[4];
 410         } qic_cpi[8];
 411 };
 412
 413 struct voyager_status {
 414         __u32   power_fail:1;
 415         __u32   switch_off:1;
 416         __u32   request_from_kernel:1;
 417 };
 418
 419 struct voyager_psi_regs {
 420         __u8 cat_id;
 421         __u8 cat_dev;
 422         __u8 cat_control;
 423         __u8 subaddr;
 424         __u8 dummy4;
 425         __u8 checkbit;
 426         __u8 subaddr_low;
 427         __u8 subaddr_high;
 428         __u8 intstatus;
 429         __u8 stat1;
 430         __u8 stat3;
 431         __u8 fault;
 432         __u8 tms;
 433         __u8 gen;
 434         __u8 sysconf;
 435         __u8 dummy15;
 436 };
 437
 438 struct voyager_psi_subregs {
 439         __u8 supply;
 440         __u8 mask;
 441         __u8 present;
 442         __u8 DCfail;
 443         __u8 ACfail;
 444         __u8 fail;
 445         __u8 UPSfail;
 446         __u8 genstatus;
 447 };
 448
 449 struct voyager_psi {
 450         struct voyager_psi_regs regs;
 451         struct voyager_psi_subregs subregs;
 452 };
 453
 454 struct voyager_SUS {
 455 #define VOYAGER_DUMP_BUTTON_NMI         0x1
 456 #define VOYAGER_SUS_VALID               0x2
 457 #define VOYAGER_SYSINT_COMPLETE         0x3
 458         __u8    SUS_mbox;
 459 #define VOYAGER_NO_COMMAND              0x0
 460 #define VOYAGER_IGNORE_DUMP             0x1
 461 #define VOYAGER_DO_DUMP                 0x2
 462 #define VOYAGER_SYSINT_HANDSHAKE        0x3
 463 #define VOYAGER_DO_MEM_DUMP             0x4
 464 #define VOYAGER_SYSINT_WAS_RECOVERED    0x5
 465         __u8    kernel_mbox;
 466 #define VOYAGER_MAILBOX_VERSION         0x10
 467         __u8    SUS_version;
 468         __u8    kernel_version;
 469 #define VOYAGER_OS_HAS_SYSINT           0x1
 470 #define VOYAGER_OS_IN_PROGRESS          0x2
 471 #define VOYAGER_UPDATING_WDPERIOD       0x4
 472         __u32   kernel_flags;
 473 #define VOYAGER_SUS_BOOTING             0x1
 474 #define VOYAGER_SUS_IN_PROGRESS         0x2
 475         __u32   SUS_flags;
 476         __u32   watchdog_period;
 477         __u32   watchdog_count;
 478         __u32   SUS_errorlog;
 479         /* lots of system configuration stuff under here */
 480 };
 481
 482 /* Variables exported by voyager_smp */
 483 extern __u32 voyager_extended_vic_processors;
 484 extern __u32 voyager_allowed_boot_processors;
 485 extern __u32 voyager_quad_processors;
 486 extern struct voyager_qic_cpi *voyager_quad_cpi_addr[NR_CPUS];
 487 extern struct voyager_SUS *voyager_SUS;
 488
 489 /* variables exported always */
 490 extern struct task_struct *voyager_thread;
 491 extern int voyager_level;
 492 extern struct voyager_status voyager_status;
 493
 494 /* functions exported by the voyager and voyager_smp modules */
 495 extern int voyager_cat_readb(__u8 module, __u8 asic, int reg);
 496 extern void voyager_cat_init(void);
 497 extern void voyager_detect(struct voyager_bios_info *);
 498 extern void voyager_trap_init(void);
 499 extern void voyager_setup_irqs(void);
 500 extern int voyager_memory_detect(int region, __u32 *addr, __u32 *length);
 501 extern void voyager_smp_intr_init(void);
 502 extern __u8 voyager_extended_cmos_read(__u16 cmos_address);
 503 extern void voyager_smp_dump(void);
 504 extern void voyager_timer_interrupt(void);
 505 extern void smp_local_timer_interrupt(void);
 506 extern void voyager_power_off(void);
 507 extern void smp_voyager_power_off(void *dummy);
 508 extern void voyager_restart(void);
 509 extern void voyager_cat_power_off(void);
 510 extern void voyager_cat_do_common_interrupt(void);
 511 extern void voyager_handle_nmi(void);
 512 /* Commands for the following are */
 513 #define VOYAGER_PSI_READ        0
 514 #define VOYAGER_PSI_WRITE       1
 515 #define VOYAGER_PSI_SUBREAD     2
 516 #define VOYAGER_PSI_SUBWRITE    3
 517 extern void voyager_cat_psi(__u8, __u16, __u8 *);