1 /* 2 * Device driver optimized for the Symbios/LSI 53C896/53C895A/53C1010 3 * PCI-SCSI controllers. 4 * 5 * Copyright (C) 1999-2000 Gerard Roudier <groudier@club-internet.fr> 6 * 7 * This driver also supports the following Symbios/LSI PCI-SCSI chips: 8 * 53C810A, 53C825A, 53C860, 53C875, 53C876, 53C885, 53C895. 9 * 10 * but does not support earlier chips as the following ones: 11 * 53C810, 53C815, 53C825. 12 * 13 * This driver for FreeBSD-CAM is derived from the Linux sym53c8xx driver. 14 * Copyright (C) 1998-1999 Gerard Roudier 15 * 16 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been 17 * a port of the FreeBSD ncr driver to Linux-1.2.13. 18 * 19 * The original ncr driver has been written for 386bsd and FreeBSD by 20 * Wolfgang Stanglmeier <wolf@cologne.de> 21 * Stefan Esser <se@mi.Uni-Koeln.de> 22 * Copyright (C) 1994 Wolfgang Stanglmeier 23 * 24 * The initialisation code, and part of the code that addresses 25 * FreeBSD-CAM services is based on the aic7xxx driver for FreeBSD-CAM 26 * written by Justin T. Gibbs. 27 * 28 * Other major contributions: 29 * 30 * NVRAM detection and reading. 31 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> 32 * 33 *----------------------------------------------------------------------------- 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. The name of the author may not be used to endorse or promote products 44 * derived from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 50 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 */ 58 59 /* $FreeBSD$ */ 60 61 #ifndef SYM_DEFS_H 62 #define SYM_DEFS_H 63 64 /* 65 * Vendor. 66 */ 67 #define PCI_VENDOR_NCR 0x1000 68 69 /* 70 * PCI device identifier of SYMBIOS chips. 71 */ 72 #define PCI_ID_SYM53C810 1 73 #define PCI_ID_SYM53C810AP 5 74 #define PCI_ID_SYM53C815 4 75 #define PCI_ID_SYM53C820 2 76 #define PCI_ID_SYM53C825 3 77 #define PCI_ID_SYM53C860 6 78 #define PCI_ID_SYM53C875 0xf 79 #define PCI_ID_SYM53C875_2 0x8f 80 #define PCI_ID_SYM53C885 0xd 81 #define PCI_ID_SYM53C895 0xc 82 #define PCI_ID_SYM53C896 0xb 83 #define PCI_ID_SYM53C895A 0x12 84 #define PCI_ID_LSI53C1010 0x20 85 #define PCI_ID_LSI53C1010_2 0x21 86 #define PCI_ID_LSI53C1510D 0xa 87 88 /* 89 * SYM53C8XX device features descriptor. 90 */ 91 struct sym_pci_chip { 92 u_short device_id; 93 unsigned short revision_id; 94 char *name; 95 u_char burst_max; /* log-base-2 of max burst */ 96 u_char offset_max; 97 u_char nr_divisor; 98 u_char lp_probe_bit; 99 u_int features; 100 #define FE_LED0 (1<<0) 101 #define FE_WIDE (1<<1) /* Wide data transfers */ 102 #define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */ 103 #define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */ 104 #define FE_DBLR (1<<4) /* Clock doubler present */ 105 #define FE_QUAD (1<<5) /* Clock quadrupler present */ 106 #define FE_ERL (1<<6) /* Enable read line */ 107 #define FE_CLSE (1<<7) /* Cache line size enable */ 108 #define FE_WRIE (1<<8) /* Write & Invalidate enable */ 109 #define FE_ERMP (1<<9) /* Enable read multiple */ 110 #define FE_BOF (1<<10) /* Burst opcode fetch */ 111 #define FE_DFS (1<<11) /* DMA fifo size */ 112 #define FE_PFEN (1<<12) /* Prefetch enable */ 113 #define FE_LDSTR (1<<13) /* Load/Store supported */ 114 #define FE_RAM (1<<14) /* On chip RAM present */ 115 #define FE_CLK80 (1<<15) /* Board clock is 80 MHz */ 116 #define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */ 117 #define FE_64BIT (1<<17) /* Supports 64-bit addressing */ 118 #define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */ 119 #define FE_NOPM (1<<19) /* Scripts handles phase mismatch */ 120 #define FE_LEDC (1<<20) /* Hardware control of LED */ 121 #define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */ 122 #define FE_PCI66 (1<<22) /* 66MHz PCI support */ 123 #define FE_CRC (1<<23) /* CRC support */ 124 #define FE_DIFF (1<<24) /* SCSI HVD support */ 125 #define FE_DFBC (1<<25) /* Have DFBC register */ 126 #define FE_LCKFRQ (1<<26) /* Have LCKFRQ */ 127 #define FE_C10 (1<<27) /* Various C10 core (mis)features */ 128 #define FE_U3EN (1<<28) /* U3EN bit usable */ 129 130 #define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP) 131 #define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL) 132 #define FE_SPECIAL_SET (FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|FE_RAM) 133 }; 134 135 /* 136 * Symbios NVRAM data format 137 */ 138 #define SYMBIOS_NVRAM_SIZE 368 139 #define SYMBIOS_NVRAM_ADDRESS 0x100 140 141 struct Symbios_nvram { 142 /* Header 6 bytes */ 143 u_short type; /* 0x0000 */ 144 u_short byte_count; /* excluding header/trailer */ 145 u_short checksum; 146 147 /* Controller set up 20 bytes */ 148 u_char v_major; /* 0x00 */ 149 u_char v_minor; /* 0x30 */ 150 u32 boot_crc; 151 u_short flags; 152 #define SYMBIOS_SCAM_ENABLE (1) 153 #define SYMBIOS_PARITY_ENABLE (1<<1) 154 #define SYMBIOS_VERBOSE_MSGS (1<<2) 155 #define SYMBIOS_CHS_MAPPING (1<<3) 156 #define SYMBIOS_NO_NVRAM (1<<3) /* ??? */ 157 u_short flags1; 158 #define SYMBIOS_SCAN_HI_LO (1) 159 u_short term_state; 160 #define SYMBIOS_TERM_CANT_PROGRAM (0) 161 #define SYMBIOS_TERM_ENABLED (1) 162 #define SYMBIOS_TERM_DISABLED (2) 163 u_short rmvbl_flags; 164 #define SYMBIOS_RMVBL_NO_SUPPORT (0) 165 #define SYMBIOS_RMVBL_BOOT_DEVICE (1) 166 #define SYMBIOS_RMVBL_MEDIA_INSTALLED (2) 167 u_char host_id; 168 u_char num_hba; /* 0x04 */ 169 u_char num_devices; /* 0x10 */ 170 u_char max_scam_devices; /* 0x04 */ 171 u_char num_valid_scam_devices; /* 0x00 */ 172 u_char flags2; 173 #define SYMBIOS_AVOID_BUS_RESET (1<<2) 174 175 /* Boot order 14 bytes * 4 */ 176 struct Symbios_host{ 177 u_short type; /* 4:8xx / 0:nok */ 178 u_short device_id; /* PCI device id */ 179 u_short vendor_id; /* PCI vendor id */ 180 u_char bus_nr; /* PCI bus number */ 181 u_char device_fn; /* PCI device/function number << 3*/ 182 u_short word8; 183 u_short flags; 184 #define SYMBIOS_INIT_SCAN_AT_BOOT (1) 185 u_short io_port; /* PCI io_port address */ 186 } host[4]; 187 188 /* Targets 8 bytes * 16 */ 189 struct Symbios_target { 190 u_char flags; 191 #define SYMBIOS_DISCONNECT_ENABLE (1) 192 #define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1) 193 #define SYMBIOS_SCAN_LUNS (1<<2) 194 #define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3) 195 u_char rsvd; 196 u_char bus_width; /* 0x08/0x10 */ 197 u_char sync_offset; 198 u_short sync_period; /* 4*period factor */ 199 u_short timeout; 200 } target[16]; 201 /* Scam table 8 bytes * 4 */ 202 struct Symbios_scam { 203 u_short id; 204 u_short method; 205 #define SYMBIOS_SCAM_DEFAULT_METHOD (0) 206 #define SYMBIOS_SCAM_DONT_ASSIGN (1) 207 #define SYMBIOS_SCAM_SET_SPECIFIC_ID (2) 208 #define SYMBIOS_SCAM_USE_ORDER_GIVEN (3) 209 u_short status; 210 #define SYMBIOS_SCAM_UNKNOWN (0) 211 #define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1) 212 #define SYMBIOS_SCAM_ID_NOT_SET (2) 213 #define SYMBIOS_SCAM_ID_VALID (3) 214 u_char target_id; 215 u_char rsvd; 216 } scam[4]; 217 218 u_char spare_devices[15*8]; 219 u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */ 220 }; 221 typedef struct Symbios_nvram Symbios_nvram; 222 typedef struct Symbios_host Symbios_host; 223 typedef struct Symbios_target Symbios_target; 224 typedef struct Symbios_scam Symbios_scam; 225 226 /* 227 * Tekram NvRAM data format. 228 */ 229 #define TEKRAM_NVRAM_SIZE 64 230 #define TEKRAM_93C46_NVRAM_ADDRESS 0 231 #define TEKRAM_24C16_NVRAM_ADDRESS 0x40 232 233 struct Tekram_nvram { 234 struct Tekram_target { 235 u_char flags; 236 #define TEKRAM_PARITY_CHECK (1) 237 #define TEKRAM_SYNC_NEGO (1<<1) 238 #define TEKRAM_DISCONNECT_ENABLE (1<<2) 239 #define TEKRAM_START_CMD (1<<3) 240 #define TEKRAM_TAGGED_COMMANDS (1<<4) 241 #define TEKRAM_WIDE_NEGO (1<<5) 242 u_char sync_index; 243 u_short word2; 244 } target[16]; 245 u_char host_id; 246 u_char flags; 247 #define TEKRAM_MORE_THAN_2_DRIVES (1) 248 #define TEKRAM_DRIVES_SUP_1GB (1<<1) 249 #define TEKRAM_RESET_ON_POWER_ON (1<<2) 250 #define TEKRAM_ACTIVE_NEGATION (1<<3) 251 #define TEKRAM_IMMEDIATE_SEEK (1<<4) 252 #define TEKRAM_SCAN_LUNS (1<<5) 253 #define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; 1: boot device; 2:all */ 254 u_char boot_delay_index; 255 u_char max_tags_index; 256 u_short flags1; 257 #define TEKRAM_F2_F6_ENABLED (1) 258 u_short spare[29]; 259 }; 260 typedef struct Tekram_nvram Tekram_nvram; 261 typedef struct Tekram_target Tekram_target; 262 263 /* 264 * SYM53C8XX IO register data structure. 265 */ 266 struct sym_reg { 267 /*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */ 268 269 /*01*/ u8 nc_scntl1; /* no reset */ 270 #define ISCON 0x10 /* connected to scsi */ 271 #define CRST 0x08 /* force reset */ 272 #define IARB 0x02 /* immediate arbitration */ 273 274 /*02*/ u8 nc_scntl2; /* no disconnect expected */ 275 #define SDU 0x80 /* cmd: disconnect will raise error */ 276 #define CHM 0x40 /* sta: chained mode */ 277 #define WSS 0x08 /* sta: wide scsi send [W]*/ 278 #define WSR 0x01 /* sta: wide scsi received [W]*/ 279 280 /*03*/ u8 nc_scntl3; /* cnf system clock dependent */ 281 #define EWS 0x08 /* cmd: enable wide scsi [W]*/ 282 #define ULTRA 0x80 /* cmd: ULTRA enable */ 283 /* bits 0-2, 7 rsvd for C1010 */ 284 285 /*04*/ u8 nc_scid; /* cnf host adapter scsi address */ 286 #define RRE 0x40 /* r/w:e enable response to resel. */ 287 #define SRE 0x20 /* r/w:e enable response to select */ 288 289 /*05*/ u8 nc_sxfer; /* ### Sync speed and count */ 290 /* bits 6-7 rsvd for C1010 */ 291 292 /*06*/ u8 nc_sdid; /* ### Destination-ID */ 293 294 /*07*/ u8 nc_gpreg; /* ??? IO-Pins */ 295 296 /*08*/ u8 nc_sfbr; /* ### First byte received */ 297 298 /*09*/ u8 nc_socl; 299 #define CREQ 0x80 /* r/w: SCSI-REQ */ 300 #define CACK 0x40 /* r/w: SCSI-ACK */ 301 #define CBSY 0x20 /* r/w: SCSI-BSY */ 302 #define CSEL 0x10 /* r/w: SCSI-SEL */ 303 #define CATN 0x08 /* r/w: SCSI-ATN */ 304 #define CMSG 0x04 /* r/w: SCSI-MSG */ 305 #define CC_D 0x02 /* r/w: SCSI-C_D */ 306 #define CI_O 0x01 /* r/w: SCSI-I_O */ 307 308 /*0a*/ u8 nc_ssid; 309 310 /*0b*/ u8 nc_sbcl; 311 312 /*0c*/ u8 nc_dstat; 313 #define DFE 0x80 /* sta: dma fifo empty */ 314 #define MDPE 0x40 /* int: master data parity error */ 315 #define BF 0x20 /* int: script: bus fault */ 316 #define ABRT 0x10 /* int: script: command aborted */ 317 #define SSI 0x08 /* int: script: single step */ 318 #define SIR 0x04 /* int: script: interrupt instruct. */ 319 #define IID 0x01 /* int: script: illegal instruct. */ 320 321 /*0d*/ u8 nc_sstat0; 322 #define ILF 0x80 /* sta: data in SIDL register lsb */ 323 #define ORF 0x40 /* sta: data in SODR register lsb */ 324 #define OLF 0x20 /* sta: data in SODL register lsb */ 325 #define AIP 0x10 /* sta: arbitration in progress */ 326 #define LOA 0x08 /* sta: arbitration lost */ 327 #define WOA 0x04 /* sta: arbitration won */ 328 #define IRST 0x02 /* sta: scsi reset signal */ 329 #define SDP 0x01 /* sta: scsi parity signal */ 330 331 /*0e*/ u8 nc_sstat1; 332 #define FF3210 0xf0 /* sta: bytes in the scsi fifo */ 333 334 /*0f*/ u8 nc_sstat2; 335 #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/ 336 #define ORF1 0x40 /* sta: data in SODR register msb[W]*/ 337 #define OLF1 0x20 /* sta: data in SODL register msb[W]*/ 338 #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */ 339 #define LDSC 0x02 /* sta: disconnect & reconnect */ 340 341 /*10*/ u8 nc_dsa; /* --> Base page */ 342 /*11*/ u8 nc_dsa1; 343 /*12*/ u8 nc_dsa2; 344 /*13*/ u8 nc_dsa3; 345 346 /*14*/ u8 nc_istat; /* --> Main Command and status */ 347 #define CABRT 0x80 /* cmd: abort current operation */ 348 #define SRST 0x40 /* mod: reset chip */ 349 #define SIGP 0x20 /* r/w: message from host to script */ 350 #define SEM 0x10 /* r/w: message between host + script */ 351 #define CON 0x08 /* sta: connected to scsi */ 352 #define INTF 0x04 /* sta: int on the fly (reset by wr)*/ 353 #define SIP 0x02 /* sta: scsi-interrupt */ 354 #define DIP 0x01 /* sta: host/script interrupt */ 355 356 /*15*/ u8 nc_istat1; /* 896 only */ 357 /*16*/ u8 nc_mbox0; /* 896 only */ 358 /*17*/ u8 nc_mbox1; /* 896 only */ 359 360 /*18*/ u8 nc_ctest0; 361 /*19*/ u8 nc_ctest1; 362 363 /*1a*/ u8 nc_ctest2; 364 #define CSIGP 0x40 365 /* bits 0-2,7 rsvd for C1010 */ 366 367 /*1b*/ u8 nc_ctest3; 368 #define FLF 0x08 /* cmd: flush dma fifo */ 369 #define CLF 0x04 /* cmd: clear dma fifo */ 370 #define FM 0x02 /* mod: fetch pin mode */ 371 #define WRIE 0x01 /* mod: write and invalidate enable */ 372 /* bits 4-7 rsvd for C1010 */ 373 374 /*1c*/ u32 nc_temp; /* ### Temporary stack */ 375 376 /*20*/ u8 nc_dfifo; 377 /*21*/ u8 nc_ctest4; 378 #define BDIS 0x80 /* mod: burst disable */ 379 #define MPEE 0x08 /* mod: master parity error enable */ 380 381 /*22*/ u8 nc_ctest5; 382 #define DFS 0x20 /* mod: dma fifo size */ 383 /* bits 0-1, 3-7 rsvd for C1010 */ 384 385 /*23*/ u8 nc_ctest6; 386 387 /*24*/ u32 nc_dbc; /* ### Byte count and command */ 388 /*28*/ u32 nc_dnad; /* ### Next command register */ 389 /*2c*/ u32 nc_dsp; /* --> Script Pointer */ 390 /*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */ 391 392 /*34*/ u8 nc_scratcha; /* Temporary register a */ 393 /*35*/ u8 nc_scratcha1; 394 /*36*/ u8 nc_scratcha2; 395 /*37*/ u8 nc_scratcha3; 396 397 /*38*/ u8 nc_dmode; 398 #define BL_2 0x80 /* mod: burst length shift value +2 */ 399 #define BL_1 0x40 /* mod: burst length shift value +1 */ 400 #define ERL 0x08 /* mod: enable read line */ 401 #define ERMP 0x04 /* mod: enable read multiple */ 402 #define BOF 0x02 /* mod: burst op code fetch */ 403 404 /*39*/ u8 nc_dien; 405 /*3a*/ u8 nc_sbr; 406 407 /*3b*/ u8 nc_dcntl; /* --> Script execution control */ 408 #define CLSE 0x80 /* mod: cache line size enable */ 409 #define PFF 0x40 /* cmd: pre-fetch flush */ 410 #define PFEN 0x20 /* mod: pre-fetch enable */ 411 #define SSM 0x10 /* mod: single step mode */ 412 #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */ 413 #define STD 0x04 /* cmd: start dma mode */ 414 #define IRQD 0x02 /* mod: irq disable */ 415 #define NOCOM 0x01 /* cmd: protect sfbr while reselect */ 416 /* bits 0-1 rsvd for C1010 */ 417 418 /*3c*/ u32 nc_adder; 419 420 /*40*/ u16 nc_sien; /* -->: interrupt enable */ 421 /*42*/ u16 nc_sist; /* <--: interrupt status */ 422 #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */ 423 #define STO 0x0400/* sta: timeout (select) */ 424 #define GEN 0x0200/* sta: timeout (general) */ 425 #define HTH 0x0100/* sta: timeout (handshake) */ 426 #define MA 0x80 /* sta: phase mismatch */ 427 #define CMP 0x40 /* sta: arbitration complete */ 428 #define SEL 0x20 /* sta: selected by another device */ 429 #define RSL 0x10 /* sta: reselected by another device*/ 430 #define SGE 0x08 /* sta: gross error (over/underflow)*/ 431 #define UDC 0x04 /* sta: unexpected disconnect */ 432 #define RST 0x02 /* sta: scsi bus reset detected */ 433 #define PAR 0x01 /* sta: scsi parity error */ 434 435 /*44*/ u8 nc_slpar; 436 /*45*/ u8 nc_swide; 437 /*46*/ u8 nc_macntl; 438 /*47*/ u8 nc_gpcntl; 439 /*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/ 440 /*49*/ u8 nc_stime1; /* cmd: timeout user defined */ 441 /*4a*/ u16 nc_respid; /* sta: Reselect-IDs */ 442 443 /*4c*/ u8 nc_stest0; 444 445 /*4d*/ u8 nc_stest1; 446 #define SCLK 0x80 /* Use the PCI clock as SCSI clock */ 447 #define DBLEN 0x08 /* clock doubler running */ 448 #define DBLSEL 0x04 /* clock doubler selected */ 449 450 451 /*4e*/ u8 nc_stest2; 452 #define ROF 0x40 /* reset scsi offset (after gross error!) */ 453 #define EXT 0x02 /* extended filtering */ 454 455 /*4f*/ u8 nc_stest3; 456 #define TE 0x80 /* c: tolerAnt enable */ 457 #define HSC 0x20 /* c: Halt SCSI Clock */ 458 #define CSF 0x02 /* c: clear scsi fifo */ 459 460 /*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */ 461 /*52*/ u8 nc_stest4; 462 #define SMODE 0xc0 /* SCSI bus mode (895/6 only) */ 463 #define SMODE_HVD 0x40 /* High Voltage Differential */ 464 #define SMODE_SE 0x80 /* Single Ended */ 465 #define SMODE_LVD 0xc0 /* Low Voltage Differential */ 466 #define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */ 467 /* bits 0-5 rsvd for C1010 */ 468 469 /*53*/ u8 nc_53_; 470 /*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */ 471 /*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */ 472 #define ENPMJ 0x80 /* Enable Phase Mismatch Jump */ 473 #define PMJCTL 0x40 /* Phase Mismatch Jump Control */ 474 #define ENNDJ 0x20 /* Enable Non Data PM Jump */ 475 #define DISFC 0x10 /* Disable Auto FIFO Clear */ 476 #define DILS 0x02 /* Disable Internal Load/Store */ 477 #define DPR 0x01 /* Disable Pipe Req */ 478 479 /*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */ 480 #define ZMOD 0x80 /* High Impedance Mode */ 481 #define DDAC 0x08 /* Disable Dual Address Cycle */ 482 #define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */ 483 #define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */ 484 #define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */ 485 486 /*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */ 487 /*5a*/ u16 nc_5a_; 488 489 /*5c*/ u8 nc_scr0; /* Working register B */ 490 /*5d*/ u8 nc_scr1; 491 /*5e*/ u8 nc_scr2; 492 /*5f*/ u8 nc_scr3; 493 494 /*60*/ u8 nc_scrx[64]; /* Working register C-R */ 495 /*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */ 496 /*a4*/ u32 nc_mmws; /* Memory Move Write Selector */ 497 /*a8*/ u32 nc_sfs; /* Script Fetch Selector */ 498 /*ac*/ u32 nc_drs; /* DSA Relative Selector */ 499 /*b0*/ u32 nc_sbms; /* Static Block Move Selector */ 500 /*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */ 501 /*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */ 502 /*bc*/ u16 nc_scntl4; /* C1010 only */ 503 #define U3EN 0x80 /* Enable Ultra 3 */ 504 #define AIPEN 0x40 /* Allow check upper byte lanes */ 505 #define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */ 506 #define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */ 507 #define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */ 508 #define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */ 509 /*be*/ u16 nc_aipcntl; /* Epat Control 1 C1010 only */ 510 /*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */ 511 /*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */ 512 /*c8*/ u8 nc_rbc; /* Remaining Byte Count */ 513 /*c9*/ u8 nc_rbc1; 514 /*ca*/ u8 nc_rbc2; 515 /*cb*/ u8 nc_rbc3; 516 517 /*cc*/ u8 nc_ua; /* Updated Address */ 518 /*cd*/ u8 nc_ua1; 519 /*ce*/ u8 nc_ua2; 520 /*cf*/ u8 nc_ua3; 521 /*d0*/ u32 nc_esa; /* Entry Storage Address */ 522 /*d4*/ u8 nc_ia; /* Instruction Address */ 523 /*d5*/ u8 nc_ia1; 524 /*d6*/ u8 nc_ia2; 525 /*d7*/ u8 nc_ia3; 526 /*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */ 527 /*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */ 528 /* Following for C1010 only */ 529 /*e0*/ u16 nc_crcpad; /* CRC Value */ 530 /*e2*/ u8 nc_crccntl0; /* CRC control register */ 531 #define SNDCRC 0x10 /* Send CRC Request */ 532 /*e3*/ u8 nc_crccntl1; /* CRC control register */ 533 /*e4*/ u32 nc_crcdata; /* CRC data register */ 534 /*e8*/ u32 nc_e8_; 535 /*ec*/ u32 nc_ec_; 536 /*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */ 537 }; 538 539 /*----------------------------------------------------------- 540 * 541 * Utility macros for the script. 542 * 543 *----------------------------------------------------------- 544 */ 545 546 #define REGJ(p,r) (offsetof(struct sym_reg, p ## r)) 547 #define REG(r) REGJ (nc_, r) 548 549 typedef u32 symcmd; 550 551 /*----------------------------------------------------------- 552 * 553 * SCSI phases 554 * 555 *----------------------------------------------------------- 556 */ 557 558 #define SCR_DATA_OUT 0x00000000 559 #define SCR_DATA_IN 0x01000000 560 #define SCR_COMMAND 0x02000000 561 #define SCR_STATUS 0x03000000 562 #define SCR_DT_DATA_OUT 0x04000000 563 #define SCR_DT_DATA_IN 0x05000000 564 #define SCR_MSG_OUT 0x06000000 565 #define SCR_MSG_IN 0x07000000 566 /* DT phases are illegal for non Ultra3 mode */ 567 #define SCR_ILG_OUT 0x04000000 568 #define SCR_ILG_IN 0x05000000 569 570 /*----------------------------------------------------------- 571 * 572 * Data transfer via SCSI. 573 * 574 *----------------------------------------------------------- 575 * 576 * MOVE_ABS (LEN) 577 * <<start address>> 578 * 579 * MOVE_IND (LEN) 580 * <<dnad_offset>> 581 * 582 * MOVE_TBL 583 * <<dnad_offset>> 584 * 585 *----------------------------------------------------------- 586 */ 587 588 #define OPC_MOVE 0x08000000 589 590 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l)) 591 #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) 592 #define SCR_MOVE_TBL (0x10000000 | OPC_MOVE) 593 594 #define SCR_CHMOV_ABS(l) ((0x00000000) | (l)) 595 #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) 596 #define SCR_CHMOV_TBL (0x10000000) 597 598 struct sym_tblmove { 599 u32 size; 600 u32 addr; 601 }; 602 603 /*----------------------------------------------------------- 604 * 605 * Selection 606 * 607 *----------------------------------------------------------- 608 * 609 * SEL_ABS | SCR_ID (0..15) [ | REL_JMP] 610 * <<alternate_address>> 611 * 612 * SEL_TBL | << dnad_offset>> [ | REL_JMP] 613 * <<alternate_address>> 614 * 615 *----------------------------------------------------------- 616 */ 617 618 #define SCR_SEL_ABS 0x40000000 619 #define SCR_SEL_ABS_ATN 0x41000000 620 #define SCR_SEL_TBL 0x42000000 621 #define SCR_SEL_TBL_ATN 0x43000000 622 623 struct sym_tblsel { 624 u_char sel_scntl4; /* C1010 only */ 625 u_char sel_sxfer; 626 u_char sel_id; 627 u_char sel_scntl3; 628 }; 629 630 #define SCR_JMP_REL 0x04000000 631 #define SCR_ID(id) (((u32)(id)) << 16) 632 633 /*----------------------------------------------------------- 634 * 635 * Waiting for Disconnect or Reselect 636 * 637 *----------------------------------------------------------- 638 * 639 * WAIT_DISC 640 * dummy: <<alternate_address>> 641 * 642 * WAIT_RESEL 643 * <<alternate_address>> 644 * 645 *----------------------------------------------------------- 646 */ 647 648 #define SCR_WAIT_DISC 0x48000000 649 #define SCR_WAIT_RESEL 0x50000000 650 651 /*----------------------------------------------------------- 652 * 653 * Bit Set / Reset 654 * 655 *----------------------------------------------------------- 656 * 657 * SET (flags {|.. }) 658 * 659 * CLR (flags {|.. }) 660 * 661 *----------------------------------------------------------- 662 */ 663 664 #define SCR_SET(f) (0x58000000 | (f)) 665 #define SCR_CLR(f) (0x60000000 | (f)) 666 667 #define SCR_CARRY 0x00000400 668 #define SCR_TRG 0x00000200 669 #define SCR_ACK 0x00000040 670 #define SCR_ATN 0x00000008 671 672 673 /*----------------------------------------------------------- 674 * 675 * Memory to memory move 676 * 677 *----------------------------------------------------------- 678 * 679 * COPY (bytecount) 680 * << source_address >> 681 * << destination_address >> 682 * 683 * SCR_COPY sets the NO FLUSH option by default. 684 * SCR_COPY_F does not set this option. 685 * 686 * For chips which do not support this option, 687 * sym_copy_and_bind() will remove this bit. 688 * 689 *----------------------------------------------------------- 690 */ 691 692 #define SCR_NO_FLUSH 0x01000000 693 694 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n)) 695 #define SCR_COPY_F(n) (0xc0000000 | (n)) 696 697 /*----------------------------------------------------------- 698 * 699 * Register move and binary operations 700 * 701 *----------------------------------------------------------- 702 * 703 * SFBR_REG (reg, op, data) reg = SFBR op data 704 * << 0 >> 705 * 706 * REG_SFBR (reg, op, data) SFBR = reg op data 707 * << 0 >> 708 * 709 * REG_REG (reg, op, data) reg = reg op data 710 * << 0 >> 711 * 712 *----------------------------------------------------------- 713 * 714 * On 825A, 875, 895 and 896 chips the content 715 * of SFBR register can be used as data (SCR_SFBR_DATA). 716 * The 896 has additionnal IO registers starting at 717 * offset 0x80. Bit 7 of register offset is stored in 718 * bit 7 of the SCRIPTS instruction first DWORD. 719 * 720 *----------------------------------------------------------- 721 */ 722 723 #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80)) 724 725 #define SCR_SFBR_REG(reg,op,data) \ 726 (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 727 728 #define SCR_REG_SFBR(reg,op,data) \ 729 (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 730 731 #define SCR_REG_REG(reg,op,data) \ 732 (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 733 734 735 #define SCR_LOAD 0x00000000 736 #define SCR_SHL 0x01000000 737 #define SCR_OR 0x02000000 738 #define SCR_XOR 0x03000000 739 #define SCR_AND 0x04000000 740 #define SCR_SHR 0x05000000 741 #define SCR_ADD 0x06000000 742 #define SCR_ADDC 0x07000000 743 744 #define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */ 745 746 /*----------------------------------------------------------- 747 * 748 * FROM_REG (reg) SFBR = reg 749 * << 0 >> 750 * 751 * TO_REG (reg) reg = SFBR 752 * << 0 >> 753 * 754 * LOAD_REG (reg, data) reg = <data> 755 * << 0 >> 756 * 757 * LOAD_SFBR(data) SFBR = <data> 758 * << 0 >> 759 * 760 *----------------------------------------------------------- 761 */ 762 763 #define SCR_FROM_REG(reg) \ 764 SCR_REG_SFBR(reg,SCR_OR,0) 765 766 #define SCR_TO_REG(reg) \ 767 SCR_SFBR_REG(reg,SCR_OR,0) 768 769 #define SCR_LOAD_REG(reg,data) \ 770 SCR_REG_REG(reg,SCR_LOAD,data) 771 772 #define SCR_LOAD_SFBR(data) \ 773 (SCR_REG_SFBR (gpreg, SCR_LOAD, data)) 774 775 /*----------------------------------------------------------- 776 * 777 * LOAD from memory to register. 778 * STORE from register to memory. 779 * 780 * Only supported by 810A, 860, 825A, 875, 895 and 896. 781 * 782 *----------------------------------------------------------- 783 * 784 * LOAD_ABS (LEN) 785 * <<start address>> 786 * 787 * LOAD_REL (LEN) (DSA relative) 788 * <<dsa_offset>> 789 * 790 *----------------------------------------------------------- 791 */ 792 793 #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul) 794 #define SCR_NO_FLUSH2 0x02000000 795 #define SCR_DSA_REL2 0x10000000 796 797 #define SCR_LOAD_R(reg, how, n) \ 798 (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) 799 800 #define SCR_STORE_R(reg, how, n) \ 801 (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) 802 803 #define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n) 804 #define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n) 805 #define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n) 806 #define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n) 807 808 #define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n) 809 #define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n) 810 #define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n) 811 #define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n) 812 813 814 /*----------------------------------------------------------- 815 * 816 * Waiting for Disconnect or Reselect 817 * 818 *----------------------------------------------------------- 819 * 820 * JUMP [ | IFTRUE/IFFALSE ( ... ) ] 821 * <<address>> 822 * 823 * JUMPR [ | IFTRUE/IFFALSE ( ... ) ] 824 * <<distance>> 825 * 826 * CALL [ | IFTRUE/IFFALSE ( ... ) ] 827 * <<address>> 828 * 829 * CALLR [ | IFTRUE/IFFALSE ( ... ) ] 830 * <<distance>> 831 * 832 * RETURN [ | IFTRUE/IFFALSE ( ... ) ] 833 * <<dummy>> 834 * 835 * INT [ | IFTRUE/IFFALSE ( ... ) ] 836 * <<ident>> 837 * 838 * INT_FLY [ | IFTRUE/IFFALSE ( ... ) ] 839 * <<ident>> 840 * 841 * Conditions: 842 * WHEN (phase) 843 * IF (phase) 844 * CARRYSET 845 * DATA (data, mask) 846 * 847 *----------------------------------------------------------- 848 */ 849 850 #define SCR_NO_OP 0x80000000 851 #define SCR_JUMP 0x80080000 852 #define SCR_JUMP64 0x80480000 853 #define SCR_JUMPR 0x80880000 854 #define SCR_CALL 0x88080000 855 #define SCR_CALLR 0x88880000 856 #define SCR_RETURN 0x90080000 857 #define SCR_INT 0x98080000 858 #define SCR_INT_FLY 0x98180000 859 860 #define IFFALSE(arg) (0x00080000 | (arg)) 861 #define IFTRUE(arg) (0x00000000 | (arg)) 862 863 #define WHEN(phase) (0x00030000 | (phase)) 864 #define IF(phase) (0x00020000 | (phase)) 865 866 #define DATA(D) (0x00040000 | ((D) & 0xff)) 867 #define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff)) 868 869 #define CARRYSET (0x00200000) 870 871 /*----------------------------------------------------------- 872 * 873 * SCSI constants. 874 * 875 *----------------------------------------------------------- 876 */ 877 878 /* 879 * Messages 880 */ 881 882 #define M_COMPLETE (0x00) 883 #define M_EXTENDED (0x01) 884 #define M_SAVE_DP (0x02) 885 #define M_RESTORE_DP (0x03) 886 #define M_DISCONNECT (0x04) 887 #define M_ID_ERROR (0x05) 888 #define M_ABORT (0x06) 889 #define M_REJECT (0x07) 890 #define M_NOOP (0x08) 891 #define M_PARITY (0x09) 892 #define M_LCOMPLETE (0x0a) 893 #define M_FCOMPLETE (0x0b) 894 #define M_RESET (0x0c) 895 #define M_ABORT_TAG (0x0d) 896 #define M_CLEAR_QUEUE (0x0e) 897 #define M_INIT_REC (0x0f) 898 #define M_REL_REC (0x10) 899 #define M_TERMINATE (0x11) 900 #define M_SIMPLE_TAG (0x20) 901 #define M_HEAD_TAG (0x21) 902 #define M_ORDERED_TAG (0x22) 903 #define M_IGN_RESIDUE (0x23) 904 #define M_IDENTIFY (0x80) 905 906 #define M_X_MODIFY_DP (0x00) 907 #define M_X_SYNC_REQ (0x01) 908 #define M_X_WIDE_REQ (0x03) 909 #define M_X_PPR_REQ (0x04) 910 911 /* 912 * PPR protocol options 913 */ 914 #define PPR_OPT_IU (0x01) 915 #define PPR_OPT_DT (0x02) 916 #define PPR_OPT_QAS (0x04) 917 #define PPR_OPT_MASK (0x07) 918 919 /* 920 * Status 921 */ 922 923 #define S_GOOD (0x00) 924 #define S_CHECK_COND (0x02) 925 #define S_COND_MET (0x04) 926 #define S_BUSY (0x08) 927 #define S_INT (0x10) 928 #define S_INT_COND_MET (0x14) 929 #define S_CONFLICT (0x18) 930 #define S_TERMINATED (0x20) 931 #define S_QUEUE_FULL (0x28) 932 #define S_ILLEGAL (0xff) 933 934 #endif /* defined SYM_DEFS_H */ 935