1 /* 2 * (C) Copyright 2001 3 * Denis Peter, MPL AG Switzerland 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 * 23 * 24 * Most of these definitions are derived from 25 * linux/drivers/scsi/sym53c8xx_defs.h 26 * 27 */ 28 29 #ifndef _SYM53C8XX_DEFS_H 30 #define _SYM53C8XX_DEFS_H 31 32 33 #define SCNTL0 0x00 /* full arb., ena parity, par->ATN */ 34 35 #define SCNTL1 0x01 /* no reset */ 36 #define ISCON 0x10 /* connected to scsi */ 37 #define CRST 0x08 /* force reset */ 38 #define IARB 0x02 /* immediate arbitration */ 39 40 #define SCNTL2 0x02 /* no disconnect expected */ 41 #define SDU 0x80 /* cmd: disconnect will raise error */ 42 #define CHM 0x40 /* sta: chained mode */ 43 #define WSS 0x08 /* sta: wide scsi send [W]*/ 44 #define WSR 0x01 /* sta: wide scsi received [W]*/ 45 46 #define SCNTL3 0x03 /* cnf system clock dependent */ 47 #define EWS 0x08 /* cmd: enable wide scsi [W]*/ 48 #define ULTRA 0x80 /* cmd: ULTRA enable */ 49 /* bits 0-2, 7 rsvd for C1010 */ 50 51 #define SCID 0x04 /* cnf host adapter scsi address */ 52 #define RRE 0x40 /* r/w:e enable response to resel. */ 53 #define SRE 0x20 /* r/w:e enable response to select */ 54 55 #define SXFER 0x05 /* ### Sync speed and count */ 56 /* bits 6-7 rsvd for C1010 */ 57 58 #define SDID 0x06 /* ### Destination-ID */ 59 60 #define GPREG 0x07 /* ??? IO-Pins */ 61 62 #define SFBR 0x08 /* ### First byte in phase */ 63 64 #define SOCL 0x09 65 #define CREQ 0x80 /* r/w: SCSI-REQ */ 66 #define CACK 0x40 /* r/w: SCSI-ACK */ 67 #define CBSY 0x20 /* r/w: SCSI-BSY */ 68 #define CSEL 0x10 /* r/w: SCSI-SEL */ 69 #define CATN 0x08 /* r/w: SCSI-ATN */ 70 #define CMSG 0x04 /* r/w: SCSI-MSG */ 71 #define CC_D 0x02 /* r/w: SCSI-C_D */ 72 #define CI_O 0x01 /* r/w: SCSI-I_O */ 73 74 #define SSID 0x0a 75 76 #define SBCL 0x0b 77 78 #define DSTAT 0x0c 79 #define DFE 0x80 /* sta: dma fifo empty */ 80 #define MDPE 0x40 /* int: master data parity error */ 81 #define BF 0x20 /* int: script: bus fault */ 82 #define ABRT 0x10 /* int: script: command aborted */ 83 #define SSI 0x08 /* int: script: single step */ 84 #define SIR 0x04 /* int: script: interrupt instruct. */ 85 #define IID 0x01 /* int: script: illegal instruct. */ 86 87 #define SSTAT0 0x0d 88 #define ILF 0x80 /* sta: data in SIDL register lsb */ 89 #define ORF 0x40 /* sta: data in SODR register lsb */ 90 #define OLF 0x20 /* sta: data in SODL register lsb */ 91 #define AIP 0x10 /* sta: arbitration in progress */ 92 #define LOA 0x08 /* sta: arbitration lost */ 93 #define WOA 0x04 /* sta: arbitration won */ 94 #define IRST 0x02 /* sta: scsi reset signal */ 95 #define SDP 0x01 /* sta: scsi parity signal */ 96 97 #define SSTAT1 0x0e 98 #define FF3210 0xf0 /* sta: bytes in the scsi fifo */ 99 100 #define SSTAT2 0x0f 101 #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/ 102 #define ORF1 0x40 /* sta: data in SODR register msb[W]*/ 103 #define OLF1 0x20 /* sta: data in SODL register msb[W]*/ 104 #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */ 105 #define LDSC 0x02 /* sta: disconnect & reconnect */ 106 107 #define DSA 0x10 /* --> Base page */ 108 #define DSA1 0x11 109 #define DSA2 0x12 110 #define DSA3 0x13 111 112 #define ISTAT 0x14 /* --> Main Command and status */ 113 #define CABRT 0x80 /* cmd: abort current operation */ 114 #define SRST 0x40 /* mod: reset chip */ 115 #define SIGP 0x20 /* r/w: message from host to ncr */ 116 #define SEM 0x10 /* r/w: message between host + ncr */ 117 #define CON 0x08 /* sta: connected to scsi */ 118 #define INTF 0x04 /* sta: int on the fly (reset by wr)*/ 119 #define SIP 0x02 /* sta: scsi-interrupt */ 120 #define DIP 0x01 /* sta: host/script interrupt */ 121 122 123 #define CTEST0 0x18 124 #define CTEST1 0x19 125 #define CTEST2 0x1a 126 #define CSIGP 0x40 127 /* bits 0-2,7 rsvd for C1010 */ 128 129 #define CTEST3 0x1b 130 #define FLF 0x08 /* cmd: flush dma fifo */ 131 #define CLF 0x04 /* cmd: clear dma fifo */ 132 #define FM 0x02 /* mod: fetch pin mode */ 133 #define WRIE 0x01 /* mod: write and invalidate enable */ 134 /* bits 4-7 rsvd for C1010 */ 135 136 #define DFIFO 0x20 137 #define CTEST4 0x21 138 #define BDIS 0x80 /* mod: burst disable */ 139 #define MPEE 0x08 /* mod: master parity error enable */ 140 141 #define CTEST5 0x22 142 #define DFS 0x20 /* mod: dma fifo size */ 143 /* bits 0-1, 3-7 rsvd for C1010 */ 144 #define CTEST6 0x23 145 146 #define DBC 0x24 /* ### Byte count and command */ 147 #define DNAD 0x28 /* ### Next command register */ 148 #define DSP 0x2c /* --> Script Pointer */ 149 #define DSPS 0x30 /* --> Script pointer save/opcode#2 */ 150 151 #define SCRATCHA 0x34 /* Temporary register a */ 152 #define SCRATCHA1 0x35 153 #define SCRATCHA2 0x36 154 #define SCRATCHA3 0x37 155 156 #define DMODE 0x38 157 #define BL_2 0x80 /* mod: burst length shift value +2 */ 158 #define BL_1 0x40 /* mod: burst length shift value +1 */ 159 #define ERL 0x08 /* mod: enable read line */ 160 #define ERMP 0x04 /* mod: enable read multiple */ 161 #define BOF 0x02 /* mod: burst op code fetch */ 162 #define MAN 0x01 /* mod: manual start */ 163 164 #define DIEN 0x39 165 #define SBR 0x3a 166 167 #define DCNTL 0x3b /* --> Script execution control */ 168 #define CLSE 0x80 /* mod: cache line size enable */ 169 #define PFF 0x40 /* cmd: pre-fetch flush */ 170 #define PFEN 0x20 /* mod: pre-fetch enable */ 171 #define SSM 0x10 /* mod: single step mode */ 172 #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */ 173 #define STD 0x04 /* cmd: start dma mode */ 174 #define IRQD 0x02 /* mod: irq disable */ 175 #define NOCOM 0x01 /* cmd: protect sfbr while reselect */ 176 /* bits 0-1 rsvd for C1010 */ 177 178 #define ADDER 0x3c 179 180 #define SIEN 0x40 /* -->: interrupt enable */ 181 #define SIST 0x42 /* <--: interrupt status */ 182 #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */ 183 #define STO 0x0400/* sta: timeout (select) */ 184 #define GEN 0x0200/* sta: timeout (general) */ 185 #define HTH 0x0100/* sta: timeout (handshake) */ 186 #define MA 0x80 /* sta: phase mismatch */ 187 #define CMP 0x40 /* sta: arbitration complete */ 188 #define SEL 0x20 /* sta: selected by another device */ 189 #define RSL 0x10 /* sta: reselected by another device*/ 190 #define SGE 0x08 /* sta: gross error (over/underflow)*/ 191 #define UDC 0x04 /* sta: unexpected disconnect */ 192 #define RST 0x02 /* sta: scsi bus reset detected */ 193 #define PAR 0x01 /* sta: scsi parity error */ 194 195 #define SLPAR 0x44 196 #define SWIDE 0x45 197 #define MACNTL 0x46 198 #define GPCNTL 0x47 199 #define STIME0 0x48 /* cmd: timeout for select&handshake*/ 200 #define STIME1 0x49 /* cmd: timeout user defined */ 201 #define RESPID 0x4a /* sta: Reselect-IDs */ 202 203 #define STEST0 0x4c 204 205 #define STEST1 0x4d 206 #define SCLK 0x80 /* Use the PCI clock as SCSI clock */ 207 #define DBLEN 0x08 /* clock doubler running */ 208 #define DBLSEL 0x04 /* clock doubler selected */ 209 210 211 #define STEST2 0x4e 212 #define ROF 0x40 /* reset scsi offset (after gross error!) */ 213 #define EXT 0x02 /* extended filtering */ 214 215 #define STEST3 0x4f 216 #define TE 0x80 /* c: tolerAnt enable */ 217 #define HSC 0x20 /* c: Halt SCSI Clock */ 218 #define CSF 0x02 /* c: clear scsi fifo */ 219 220 #define SIDL 0x50 /* Lowlevel: latched from scsi data */ 221 #define STEST4 0x52 222 #define SMODE 0xc0 /* SCSI bus mode (895/6 only) */ 223 #define SMODE_HVD 0x40 /* High Voltage Differential */ 224 #define SMODE_SE 0x80 /* Single Ended */ 225 #define SMODE_LVD 0xc0 /* Low Voltage Differential */ 226 #define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */ 227 /* bits 0-5 rsvd for C1010 */ 228 229 #define SODL 0x54 /* Lowlevel: data out to scsi data */ 230 231 #define SBDL 0x58 /* Lowlevel: data from scsi data */ 232 233 234 /*----------------------------------------------------------- 235 ** 236 ** Utility macros for the script. 237 ** 238 **----------------------------------------------------------- 239 */ 240 241 #define REG(r) (r) 242 243 /*----------------------------------------------------------- 244 ** 245 ** SCSI phases 246 ** 247 ** DT phases illegal for ncr driver. 248 ** 249 **----------------------------------------------------------- 250 */ 251 252 #define SCR_DATA_OUT 0x00000000 253 #define SCR_DATA_IN 0x01000000 254 #define SCR_COMMAND 0x02000000 255 #define SCR_STATUS 0x03000000 256 #define SCR_DT_DATA_OUT 0x04000000 257 #define SCR_DT_DATA_IN 0x05000000 258 #define SCR_MSG_OUT 0x06000000 259 #define SCR_MSG_IN 0x07000000 260 261 #define SCR_ILG_OUT 0x04000000 262 #define SCR_ILG_IN 0x05000000 263 264 /*----------------------------------------------------------- 265 ** 266 ** Data transfer via SCSI. 267 ** 268 **----------------------------------------------------------- 269 ** 270 ** MOVE_ABS (LEN) 271 ** <<start address>> 272 ** 273 ** MOVE_IND (LEN) 274 ** <<dnad_offset>> 275 ** 276 ** MOVE_TBL 277 ** <<dnad_offset>> 278 ** 279 **----------------------------------------------------------- 280 */ 281 282 #define OPC_MOVE 0x08000000 283 284 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l)) 285 #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) 286 #define SCR_MOVE_TBL (0x10000000 | OPC_MOVE) 287 288 #define SCR_CHMOV_ABS(l) ((0x00000000) | (l)) 289 #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) 290 #define SCR_CHMOV_TBL (0x10000000) 291 292 293 /*----------------------------------------------------------- 294 ** 295 ** Selection 296 ** 297 **----------------------------------------------------------- 298 ** 299 ** SEL_ABS | SCR_ID (0..15) [ | REL_JMP] 300 ** <<alternate_address>> 301 ** 302 ** SEL_TBL | << dnad_offset>> [ | REL_JMP] 303 ** <<alternate_address>> 304 ** 305 **----------------------------------------------------------- 306 */ 307 308 #define SCR_SEL_ABS 0x40000000 309 #define SCR_SEL_ABS_ATN 0x41000000 310 #define SCR_SEL_TBL 0x42000000 311 #define SCR_SEL_TBL_ATN 0x43000000 312 313 314 #define SCR_JMP_REL 0x04000000 315 #define SCR_ID(id) (((unsigned long)(id)) << 16) 316 317 /*----------------------------------------------------------- 318 ** 319 ** Waiting for Disconnect or Reselect 320 ** 321 **----------------------------------------------------------- 322 ** 323 ** WAIT_DISC 324 ** dummy: <<alternate_address>> 325 ** 326 ** WAIT_RESEL 327 ** <<alternate_address>> 328 ** 329 **----------------------------------------------------------- 330 */ 331 332 #define SCR_WAIT_DISC 0x48000000 333 #define SCR_WAIT_RESEL 0x50000000 334 335 /*----------------------------------------------------------- 336 ** 337 ** Bit Set / Reset 338 ** 339 **----------------------------------------------------------- 340 ** 341 ** SET (flags {|.. }) 342 ** 343 ** CLR (flags {|.. }) 344 ** 345 **----------------------------------------------------------- 346 */ 347 348 #define SCR_SET(f) (0x58000000 | (f)) 349 #define SCR_CLR(f) (0x60000000 | (f)) 350 351 #define SCR_CARRY 0x00000400 352 #define SCR_TRG 0x00000200 353 #define SCR_ACK 0x00000040 354 #define SCR_ATN 0x00000008 355 356 357 /*----------------------------------------------------------- 358 ** 359 ** Memory to memory move 360 ** 361 **----------------------------------------------------------- 362 ** 363 ** COPY (bytecount) 364 ** << source_address >> 365 ** << destination_address >> 366 ** 367 ** SCR_COPY sets the NO FLUSH option by default. 368 ** SCR_COPY_F does not set this option. 369 ** 370 ** For chips which do not support this option, 371 ** ncr_copy_and_bind() will remove this bit. 372 **----------------------------------------------------------- 373 */ 374 375 #define SCR_NO_FLUSH 0x01000000 376 377 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n)) 378 #define SCR_COPY_F(n) (0xc0000000 | (n)) 379 380 /*----------------------------------------------------------- 381 ** 382 ** Register move and binary operations 383 ** 384 **----------------------------------------------------------- 385 ** 386 ** SFBR_REG (reg, op, data) reg = SFBR op data 387 ** << 0 >> 388 ** 389 ** REG_SFBR (reg, op, data) SFBR = reg op data 390 ** << 0 >> 391 ** 392 ** REG_REG (reg, op, data) reg = reg op data 393 ** << 0 >> 394 ** 395 **----------------------------------------------------------- 396 ** On 810A, 860, 825A, 875, 895 and 896 chips the content 397 ** of SFBR register can be used as data (SCR_SFBR_DATA). 398 ** The 896 has additionnal IO registers starting at 399 ** offset 0x80. Bit 7 of register offset is stored in 400 ** bit 7 of the SCRIPTS instruction first DWORD. 401 **----------------------------------------------------------- 402 */ 403 404 #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul)) /* + ((ofs) & 0x80)) */ 405 406 #define SCR_SFBR_REG(reg,op,data) \ 407 (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 408 409 #define SCR_REG_SFBR(reg,op,data) \ 410 (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 411 412 #define SCR_REG_REG(reg,op,data) \ 413 (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) 414 415 416 #define SCR_LOAD 0x00000000 417 #define SCR_SHL 0x01000000 418 #define SCR_OR 0x02000000 419 #define SCR_XOR 0x03000000 420 #define SCR_AND 0x04000000 421 #define SCR_SHR 0x05000000 422 #define SCR_ADD 0x06000000 423 #define SCR_ADDC 0x07000000 424 425 #define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */ 426 427 /*----------------------------------------------------------- 428 ** 429 ** FROM_REG (reg) SFBR = reg 430 ** << 0 >> 431 ** 432 ** TO_REG (reg) reg = SFBR 433 ** << 0 >> 434 ** 435 ** LOAD_REG (reg, data) reg = <data> 436 ** << 0 >> 437 ** 438 ** LOAD_SFBR(data) SFBR = <data> 439 ** << 0 >> 440 ** 441 **----------------------------------------------------------- 442 */ 443 444 #define SCR_FROM_REG(reg) \ 445 SCR_REG_SFBR(reg,SCR_OR,0) 446 447 #define SCR_TO_REG(reg) \ 448 SCR_SFBR_REG(reg,SCR_OR,0) 449 450 #define SCR_LOAD_REG(reg,data) \ 451 SCR_REG_REG(reg,SCR_LOAD,data) 452 453 #define SCR_LOAD_SFBR(data) \ 454 (SCR_REG_SFBR (gpreg, SCR_LOAD, data)) 455 456 /*----------------------------------------------------------- 457 ** 458 ** LOAD from memory to register. 459 ** STORE from register to memory. 460 ** 461 ** Only supported by 810A, 860, 825A, 875, 895 and 896. 462 ** 463 **----------------------------------------------------------- 464 ** 465 ** LOAD_ABS (LEN) 466 ** <<start address>> 467 ** 468 ** LOAD_REL (LEN) (DSA relative) 469 ** <<dsa_offset>> 470 ** 471 **----------------------------------------------------------- 472 */ 473 474 #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul) 475 #define SCR_NO_FLUSH2 0x02000000 476 #define SCR_DSA_REL2 0x10000000 477 478 #define SCR_LOAD_R(reg, how, n) \ 479 (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) 480 481 #define SCR_STORE_R(reg, how, n) \ 482 (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) 483 484 #define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n) 485 #define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n) 486 #define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n) 487 #define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n) 488 489 #define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n) 490 #define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n) 491 #define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n) 492 #define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n) 493 494 495 /*----------------------------------------------------------- 496 ** 497 ** Waiting for Disconnect or Reselect 498 ** 499 **----------------------------------------------------------- 500 ** 501 ** JUMP [ | IFTRUE/IFFALSE ( ... ) ] 502 ** <<address>> 503 ** 504 ** JUMPR [ | IFTRUE/IFFALSE ( ... ) ] 505 ** <<distance>> 506 ** 507 ** CALL [ | IFTRUE/IFFALSE ( ... ) ] 508 ** <<address>> 509 ** 510 ** CALLR [ | IFTRUE/IFFALSE ( ... ) ] 511 ** <<distance>> 512 ** 513 ** RETURN [ | IFTRUE/IFFALSE ( ... ) ] 514 ** <<dummy>> 515 ** 516 ** INT [ | IFTRUE/IFFALSE ( ... ) ] 517 ** <<ident>> 518 ** 519 ** INT_FLY [ | IFTRUE/IFFALSE ( ... ) ] 520 ** <<ident>> 521 ** 522 ** Conditions: 523 ** WHEN (phase) 524 ** IF (phase) 525 ** CARRYSET 526 ** DATA (data, mask) 527 ** 528 **----------------------------------------------------------- 529 */ 530 531 #define SCR_NO_OP 0x80000000 532 #define SCR_JUMP 0x80080000 533 #define SCR_JUMP64 0x80480000 534 #define SCR_JUMPR 0x80880000 535 #define SCR_CALL 0x88080000 536 #define SCR_CALLR 0x88880000 537 #define SCR_RETURN 0x90080000 538 #define SCR_INT 0x98080000 539 #define SCR_INT_FLY 0x98180000 540 541 #define IFFALSE(arg) (0x00080000 | (arg)) 542 #define IFTRUE(arg) (0x00000000 | (arg)) 543 544 #define WHEN(phase) (0x00030000 | (phase)) 545 #define IF(phase) (0x00020000 | (phase)) 546 547 #define DATA(D) (0x00040000 | ((D) & 0xff)) 548 #define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff)) 549 550 #define CARRYSET (0x00200000) 551 552 553 #define SIR_COMPLETE 0x10000000 554 /* script errors */ 555 #define SIR_SEL_ATN_NO_MSG_OUT 0x00000001 556 #define SIR_CMD_OUT_ILL_PH 0x00000002 557 #define SIR_STATUS_ILL_PH 0x00000003 558 #define SIR_MSG_RECEIVED 0x00000004 559 #define SIR_DATA_IN_ERR 0x00000005 560 #define SIR_DATA_OUT_ERR 0x00000006 561 #define SIR_SCRIPT_ERROR 0x00000007 562 #define SIR_MSG_OUT_NO_CMD 0x00000008 563 #define SIR_MSG_OVER7 0x00000009 564 /* Fly interrupt */ 565 #define INT_ON_FY 0x00000080 566 567 /* Hardware errors are defined in scsi.h */ 568 569 #define SCSI_IDENTIFY 0xC0 570 571 #endif 572