1 /* 2 * (C) Copyright 2001 3 * Denis Peter, MPL AG Switzerland 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 /* 9 * SCSI support. 10 */ 11 #include <common.h> 12 #include <command.h> 13 #include <inttypes.h> 14 #include <asm/processor.h> 15 #include <scsi.h> 16 #include <image.h> 17 #include <pci.h> 18 19 #ifdef CONFIG_SCSI_DEV_LIST 20 #define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST 21 #else 22 #ifdef CONFIG_SCSI_SYM53C8XX 23 #define SCSI_VEND_ID 0x1000 24 #ifndef CONFIG_SCSI_DEV_ID 25 #define SCSI_DEV_ID 0x0001 26 #else 27 #define SCSI_DEV_ID CONFIG_SCSI_DEV_ID 28 #endif 29 #elif defined CONFIG_SATA_ULI5288 30 31 #define SCSI_VEND_ID 0x10b9 32 #define SCSI_DEV_ID 0x5288 33 34 #elif !defined(CONFIG_SCSI_AHCI_PLAT) 35 #error no scsi device defined 36 #endif 37 #define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID} 38 #endif 39 40 #if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT) 41 const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST }; 42 #endif 43 static ccb tempccb; /* temporary scsi command buffer */ 44 45 static unsigned char tempbuff[512]; /* temporary data buffer */ 46 47 static int scsi_max_devs; /* number of highest available scsi device */ 48 49 static int scsi_curr_dev; /* current device */ 50 51 static struct blk_desc scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE]; 52 53 /******************************************************************************** 54 * forward declerations of some Setup Routines 55 */ 56 void scsi_setup_test_unit_ready(ccb * pccb); 57 void scsi_setup_read6(ccb * pccb, lbaint_t start, unsigned short blocks); 58 void scsi_setup_read_ext(ccb * pccb, lbaint_t start, unsigned short blocks); 59 void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks); 60 61 static void scsi_setup_write_ext(ccb *pccb, lbaint_t start, 62 unsigned short blocks); 63 void scsi_setup_inquiry(ccb * pccb); 64 void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); 65 66 67 static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, 68 unsigned long *blksz); 69 static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr, 70 lbaint_t blkcnt, void *buffer); 71 static ulong scsi_write(struct blk_desc *block_dev, lbaint_t blknr, 72 lbaint_t blkcnt, const void *buffer); 73 74 75 /********************************************************************************* 76 * (re)-scan the scsi bus and reports scsi device info 77 * to the user if mode = 1 78 */ 79 void scsi_scan(int mode) 80 { 81 unsigned char i,perq,modi,lun; 82 lbaint_t capacity; 83 unsigned long blksz; 84 ccb* pccb=(ccb *)&tempccb; 85 86 if(mode==1) { 87 printf("scanning bus for devices...\n"); 88 } 89 for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) { 90 scsi_dev_desc[i].target=0xff; 91 scsi_dev_desc[i].lun=0xff; 92 scsi_dev_desc[i].lba=0; 93 scsi_dev_desc[i].blksz=0; 94 scsi_dev_desc[i].log2blksz = 95 LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz)); 96 scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN; 97 scsi_dev_desc[i].vendor[0]=0; 98 scsi_dev_desc[i].product[0]=0; 99 scsi_dev_desc[i].revision[0]=0; 100 scsi_dev_desc[i].removable = false; 101 scsi_dev_desc[i].if_type=IF_TYPE_SCSI; 102 scsi_dev_desc[i].devnum = i; 103 scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN; 104 scsi_dev_desc[i].block_read=scsi_read; 105 scsi_dev_desc[i].block_write = scsi_write; 106 } 107 scsi_max_devs=0; 108 for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) { 109 pccb->target=i; 110 for(lun=0;lun<CONFIG_SYS_SCSI_MAX_LUN;lun++) { 111 pccb->lun=lun; 112 pccb->pdata=(unsigned char *)&tempbuff; 113 pccb->datalen=512; 114 scsi_setup_inquiry(pccb); 115 if (scsi_exec(pccb) != true) { 116 if(pccb->contr_stat==SCSI_SEL_TIME_OUT) { 117 debug ("Selection timeout ID %d\n",pccb->target); 118 continue; /* selection timeout => assuming no device present */ 119 } 120 scsi_print_error(pccb); 121 continue; 122 } 123 perq=tempbuff[0]; 124 modi=tempbuff[1]; 125 if((perq & 0x1f)==0x1f) { 126 continue; /* skip unknown devices */ 127 } 128 if((modi&0x80)==0x80) /* drive is removable */ 129 scsi_dev_desc[scsi_max_devs].removable=true; 130 /* get info for this device */ 131 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0], 132 &tempbuff[8], 8); 133 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0], 134 &tempbuff[16], 16); 135 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0], 136 &tempbuff[32], 4); 137 scsi_dev_desc[scsi_max_devs].target=pccb->target; 138 scsi_dev_desc[scsi_max_devs].lun=pccb->lun; 139 140 pccb->datalen=0; 141 scsi_setup_test_unit_ready(pccb); 142 if (scsi_exec(pccb) != true) { 143 if (scsi_dev_desc[scsi_max_devs].removable == true) { 144 scsi_dev_desc[scsi_max_devs].type=perq; 145 goto removable; 146 } 147 scsi_print_error(pccb); 148 continue; 149 } 150 if (scsi_read_capacity(pccb, &capacity, &blksz)) { 151 scsi_print_error(pccb); 152 continue; 153 } 154 scsi_dev_desc[scsi_max_devs].lba=capacity; 155 scsi_dev_desc[scsi_max_devs].blksz=blksz; 156 scsi_dev_desc[scsi_max_devs].log2blksz = 157 LOG2(scsi_dev_desc[scsi_max_devs].blksz); 158 scsi_dev_desc[scsi_max_devs].type=perq; 159 part_init(&scsi_dev_desc[scsi_max_devs]); 160 removable: 161 if(mode==1) { 162 printf (" Device %d: ", scsi_max_devs); 163 dev_print(&scsi_dev_desc[scsi_max_devs]); 164 } /* if mode */ 165 scsi_max_devs++; 166 } /* next LUN */ 167 } 168 if(scsi_max_devs>0) 169 scsi_curr_dev=0; 170 else 171 scsi_curr_dev = -1; 172 173 printf("Found %d device(s).\n", scsi_max_devs); 174 #ifndef CONFIG_SPL_BUILD 175 setenv_ulong("scsidevs", scsi_max_devs); 176 #endif 177 } 178 179 int scsi_get_disk_count(void) 180 { 181 return scsi_max_devs; 182 } 183 184 #if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT) 185 void scsi_init(void) 186 { 187 int busdevfunc = -1; 188 int i; 189 /* 190 * Find a device from the list, this driver will support a single 191 * controller. 192 */ 193 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) { 194 /* get PCI Device ID */ 195 #ifdef CONFIG_DM_PCI 196 struct udevice *dev; 197 int ret; 198 199 ret = dm_pci_find_device(scsi_device_list[i].vendor, 200 scsi_device_list[i].device, 0, &dev); 201 if (!ret) { 202 busdevfunc = dm_pci_get_bdf(dev); 203 break; 204 } 205 #else 206 busdevfunc = pci_find_device(scsi_device_list[i].vendor, 207 scsi_device_list[i].device, 208 0); 209 #endif 210 if (busdevfunc != -1) 211 break; 212 } 213 214 if (busdevfunc == -1) { 215 printf("Error: SCSI Controller(s) "); 216 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) { 217 printf("%04X:%04X ", 218 scsi_device_list[i].vendor, 219 scsi_device_list[i].device); 220 } 221 printf("not found\n"); 222 return; 223 } 224 #ifdef DEBUG 225 else { 226 printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n", 227 scsi_device_list[i].vendor, 228 scsi_device_list[i].device, 229 (busdevfunc >> 16) & 0xFF, 230 (busdevfunc >> 11) & 0x1F, 231 (busdevfunc >> 8) & 0x7); 232 } 233 #endif 234 bootstage_start(BOOTSTAGE_ID_ACCUM_SCSI, "ahci"); 235 scsi_low_level_init(busdevfunc); 236 scsi_scan(1); 237 bootstage_accum(BOOTSTAGE_ID_ACCUM_SCSI); 238 } 239 #endif 240 241 #ifdef CONFIG_PARTITIONS 242 struct blk_desc *scsi_get_dev(int dev) 243 { 244 return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL; 245 } 246 #endif 247 248 #ifndef CONFIG_SPL_BUILD 249 /****************************************************************************** 250 * scsi boot command intepreter. Derived from diskboot 251 */ 252 int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 253 { 254 return common_diskboot(cmdtp, "scsi", argc, argv); 255 } 256 257 /********************************************************************************* 258 * scsi command intepreter 259 */ 260 int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 261 { 262 switch (argc) { 263 case 0: 264 case 1: 265 return CMD_RET_USAGE; 266 267 case 2: 268 if (strncmp(argv[1],"res",3) == 0) { 269 printf("\nReset SCSI\n"); 270 scsi_bus_reset(); 271 scsi_scan(1); 272 return 0; 273 } 274 if (strncmp(argv[1],"inf",3) == 0) { 275 int i; 276 for (i=0; i<CONFIG_SYS_SCSI_MAX_DEVICE; ++i) { 277 if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN) 278 continue; /* list only known devices */ 279 printf ("SCSI dev. %d: ", i); 280 dev_print(&scsi_dev_desc[i]); 281 } 282 return 0; 283 } 284 if (strncmp(argv[1],"dev",3) == 0) { 285 if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) { 286 printf("\nno SCSI devices available\n"); 287 return 1; 288 } 289 printf ("\n Device %d: ", scsi_curr_dev); 290 dev_print(&scsi_dev_desc[scsi_curr_dev]); 291 return 0; 292 } 293 if (strncmp(argv[1],"scan",4) == 0) { 294 scsi_scan(1); 295 return 0; 296 } 297 if (strncmp(argv[1],"part",4) == 0) { 298 int dev, ok; 299 for (ok=0, dev=0; dev<CONFIG_SYS_SCSI_MAX_DEVICE; ++dev) { 300 if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) { 301 ok++; 302 if (dev) 303 printf("\n"); 304 debug ("print_part of %x\n",dev); 305 part_print(&scsi_dev_desc[dev]); 306 } 307 } 308 if (!ok) 309 printf("\nno SCSI devices available\n"); 310 return 1; 311 } 312 return CMD_RET_USAGE; 313 case 3: 314 if (strncmp(argv[1],"dev",3) == 0) { 315 int dev = (int)simple_strtoul(argv[2], NULL, 10); 316 printf ("\nSCSI device %d: ", dev); 317 if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) { 318 printf("unknown device\n"); 319 return 1; 320 } 321 printf ("\n Device %d: ", dev); 322 dev_print(&scsi_dev_desc[dev]); 323 if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { 324 return 1; 325 } 326 scsi_curr_dev = dev; 327 printf("... is now current device\n"); 328 return 0; 329 } 330 if (strncmp(argv[1],"part",4) == 0) { 331 int dev = (int)simple_strtoul(argv[2], NULL, 10); 332 if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) { 333 part_print(&scsi_dev_desc[dev]); 334 } 335 else { 336 printf ("\nSCSI device %d not available\n", dev); 337 } 338 return 1; 339 } 340 return CMD_RET_USAGE; 341 default: 342 /* at least 4 args */ 343 if (strcmp(argv[1],"read") == 0) { 344 ulong addr = simple_strtoul(argv[2], NULL, 16); 345 ulong blk = simple_strtoul(argv[3], NULL, 16); 346 ulong cnt = simple_strtoul(argv[4], NULL, 16); 347 ulong n; 348 printf ("\nSCSI read: device %d block # %ld, count %ld ... ", 349 scsi_curr_dev, blk, cnt); 350 n = scsi_read(&scsi_dev_desc[scsi_curr_dev], 351 blk, cnt, (ulong *)addr); 352 printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR"); 353 return 0; 354 } else if (strcmp(argv[1], "write") == 0) { 355 ulong addr = simple_strtoul(argv[2], NULL, 16); 356 ulong blk = simple_strtoul(argv[3], NULL, 16); 357 ulong cnt = simple_strtoul(argv[4], NULL, 16); 358 ulong n; 359 printf("\nSCSI write: device %d block # %ld, " 360 "count %ld ... ", 361 scsi_curr_dev, blk, cnt); 362 n = scsi_write(&scsi_dev_desc[scsi_curr_dev], 363 blk, cnt, (ulong *)addr); 364 printf("%ld blocks written: %s\n", n, 365 (n == cnt) ? "OK" : "ERROR"); 366 return 0; 367 } 368 } /* switch */ 369 return CMD_RET_USAGE; 370 } 371 372 U_BOOT_CMD( 373 scsi, 5, 1, do_scsi, 374 "SCSI sub-system", 375 "reset - reset SCSI controller\n" 376 "scsi info - show available SCSI devices\n" 377 "scsi scan - (re-)scan SCSI bus\n" 378 "scsi device [dev] - show or set current device\n" 379 "scsi part [dev] - print partition table of one or all SCSI devices\n" 380 "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" 381 " to memory address `addr'\n" 382 "scsi write addr blk# cnt - write `cnt' blocks starting at block\n" 383 " `blk#' from memory address `addr'" 384 ); 385 386 U_BOOT_CMD( 387 scsiboot, 3, 1, do_scsiboot, 388 "boot from SCSI device", 389 "loadAddr dev:part" 390 ); 391 #endif 392 393 /**************************************************************************************** 394 * scsi_read 395 */ 396 397 /* almost the maximum amount of the scsi_ext command.. */ 398 #define SCSI_MAX_READ_BLK 0xFFFF 399 #define SCSI_LBA48_READ 0xFFFFFFF 400 401 static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr, 402 lbaint_t blkcnt, void *buffer) 403 { 404 int device = block_dev->devnum; 405 lbaint_t start, blks; 406 uintptr_t buf_addr; 407 unsigned short smallblks = 0; 408 ccb* pccb=(ccb *)&tempccb; 409 device&=0xff; 410 /* Setup device 411 */ 412 pccb->target=scsi_dev_desc[device].target; 413 pccb->lun=scsi_dev_desc[device].lun; 414 buf_addr=(unsigned long)buffer; 415 start=blknr; 416 blks=blkcnt; 417 debug("\nscsi_read: dev %d startblk " LBAF 418 ", blccnt " LBAF " buffer %lx\n", 419 device, start, blks, (unsigned long)buffer); 420 do { 421 pccb->pdata=(unsigned char *)buf_addr; 422 #ifdef CONFIG_SYS_64BIT_LBA 423 if (start > SCSI_LBA48_READ) { 424 unsigned long blocks; 425 blocks = min_t(lbaint_t, blks, SCSI_MAX_READ_BLK); 426 pccb->datalen = scsi_dev_desc[device].blksz * blocks; 427 scsi_setup_read16(pccb, start, blocks); 428 start += blocks; 429 blks -= blocks; 430 } else 431 #endif 432 if (blks > SCSI_MAX_READ_BLK) { 433 pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK; 434 smallblks=SCSI_MAX_READ_BLK; 435 scsi_setup_read_ext(pccb,start,smallblks); 436 start+=SCSI_MAX_READ_BLK; 437 blks-=SCSI_MAX_READ_BLK; 438 } 439 else { 440 pccb->datalen=scsi_dev_desc[device].blksz * blks; 441 smallblks=(unsigned short) blks; 442 scsi_setup_read_ext(pccb,start,smallblks); 443 start+=blks; 444 blks=0; 445 } 446 debug("scsi_read_ext: startblk " LBAF 447 ", blccnt %x buffer %" PRIXPTR "\n", 448 start, smallblks, buf_addr); 449 if (scsi_exec(pccb) != true) { 450 scsi_print_error(pccb); 451 blkcnt-=blks; 452 break; 453 } 454 buf_addr+=pccb->datalen; 455 } while(blks!=0); 456 debug("scsi_read_ext: end startblk " LBAF 457 ", blccnt %x buffer %" PRIXPTR "\n", start, smallblks, buf_addr); 458 return(blkcnt); 459 } 460 461 /******************************************************************************* 462 * scsi_write 463 */ 464 465 /* Almost the maximum amount of the scsi_ext command.. */ 466 #define SCSI_MAX_WRITE_BLK 0xFFFF 467 468 static ulong scsi_write(struct blk_desc *block_dev, lbaint_t blknr, 469 lbaint_t blkcnt, const void *buffer) 470 { 471 int device = block_dev->devnum; 472 lbaint_t start, blks; 473 uintptr_t buf_addr; 474 unsigned short smallblks; 475 ccb* pccb = (ccb *)&tempccb; 476 device &= 0xff; 477 /* Setup device 478 */ 479 pccb->target = scsi_dev_desc[device].target; 480 pccb->lun = scsi_dev_desc[device].lun; 481 buf_addr = (unsigned long)buffer; 482 start = blknr; 483 blks = blkcnt; 484 debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n", 485 __func__, device, start, blks, (unsigned long)buffer); 486 do { 487 pccb->pdata = (unsigned char *)buf_addr; 488 if (blks > SCSI_MAX_WRITE_BLK) { 489 pccb->datalen = (scsi_dev_desc[device].blksz * 490 SCSI_MAX_WRITE_BLK); 491 smallblks = SCSI_MAX_WRITE_BLK; 492 scsi_setup_write_ext(pccb, start, smallblks); 493 start += SCSI_MAX_WRITE_BLK; 494 blks -= SCSI_MAX_WRITE_BLK; 495 } else { 496 pccb->datalen = scsi_dev_desc[device].blksz * blks; 497 smallblks = (unsigned short)blks; 498 scsi_setup_write_ext(pccb, start, smallblks); 499 start += blks; 500 blks = 0; 501 } 502 debug("%s: startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n", 503 __func__, start, smallblks, buf_addr); 504 if (scsi_exec(pccb) != true) { 505 scsi_print_error(pccb); 506 blkcnt -= blks; 507 break; 508 } 509 buf_addr += pccb->datalen; 510 } while (blks != 0); 511 debug("%s: end startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n", 512 __func__, start, smallblks, buf_addr); 513 return blkcnt; 514 } 515 516 /* copy src to dest, skipping leading and trailing blanks 517 * and null terminate the string 518 */ 519 void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) 520 { 521 int start,end; 522 523 start=0; 524 while(start<len) { 525 if(src[start]!=' ') 526 break; 527 start++; 528 } 529 end=len-1; 530 while(end>start) { 531 if(src[end]!=' ') 532 break; 533 end--; 534 } 535 for( ; start<=end; start++) { 536 *dest++=src[start]; 537 } 538 *dest='\0'; 539 } 540 541 542 /* Trim trailing blanks, and NUL-terminate string 543 */ 544 void scsi_trim_trail (unsigned char *str, unsigned int len) 545 { 546 unsigned char *p = str + len - 1; 547 548 while (len-- > 0) { 549 *p-- = '\0'; 550 if (*p != ' ') { 551 return; 552 } 553 } 554 } 555 556 int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz) 557 { 558 *capacity = 0; 559 560 memset(pccb->cmd, 0, sizeof(pccb->cmd)); 561 pccb->cmd[0] = SCSI_RD_CAPAC10; 562 pccb->cmd[1] = pccb->lun << 5; 563 pccb->cmdlen = 10; 564 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ 565 566 pccb->datalen = 8; 567 if (scsi_exec(pccb) != true) 568 return 1; 569 570 *capacity = ((lbaint_t)pccb->pdata[0] << 24) | 571 ((lbaint_t)pccb->pdata[1] << 16) | 572 ((lbaint_t)pccb->pdata[2] << 8) | 573 ((lbaint_t)pccb->pdata[3]); 574 575 if (*capacity != 0xffffffff) { 576 /* Read capacity (10) was sufficient for this drive. */ 577 *blksz = ((unsigned long)pccb->pdata[4] << 24) | 578 ((unsigned long)pccb->pdata[5] << 16) | 579 ((unsigned long)pccb->pdata[6] << 8) | 580 ((unsigned long)pccb->pdata[7]); 581 return 0; 582 } 583 584 /* Read capacity (10) was insufficient. Use read capacity (16). */ 585 586 memset(pccb->cmd, 0, sizeof(pccb->cmd)); 587 pccb->cmd[0] = SCSI_RD_CAPAC16; 588 pccb->cmd[1] = 0x10; 589 pccb->cmdlen = 16; 590 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ 591 592 pccb->datalen = 16; 593 if (scsi_exec(pccb) != true) 594 return 1; 595 596 *capacity = ((uint64_t)pccb->pdata[0] << 56) | 597 ((uint64_t)pccb->pdata[1] << 48) | 598 ((uint64_t)pccb->pdata[2] << 40) | 599 ((uint64_t)pccb->pdata[3] << 32) | 600 ((uint64_t)pccb->pdata[4] << 24) | 601 ((uint64_t)pccb->pdata[5] << 16) | 602 ((uint64_t)pccb->pdata[6] << 8) | 603 ((uint64_t)pccb->pdata[7]); 604 605 *blksz = ((uint64_t)pccb->pdata[8] << 56) | 606 ((uint64_t)pccb->pdata[9] << 48) | 607 ((uint64_t)pccb->pdata[10] << 40) | 608 ((uint64_t)pccb->pdata[11] << 32) | 609 ((uint64_t)pccb->pdata[12] << 24) | 610 ((uint64_t)pccb->pdata[13] << 16) | 611 ((uint64_t)pccb->pdata[14] << 8) | 612 ((uint64_t)pccb->pdata[15]); 613 614 return 0; 615 } 616 617 618 /************************************************************************************ 619 * Some setup (fill-in) routines 620 */ 621 void scsi_setup_test_unit_ready(ccb * pccb) 622 { 623 pccb->cmd[0]=SCSI_TST_U_RDY; 624 pccb->cmd[1]=pccb->lun<<5; 625 pccb->cmd[2]=0; 626 pccb->cmd[3]=0; 627 pccb->cmd[4]=0; 628 pccb->cmd[5]=0; 629 pccb->cmdlen=6; 630 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ 631 } 632 633 #ifdef CONFIG_SYS_64BIT_LBA 634 void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks) 635 { 636 pccb->cmd[0] = SCSI_READ16; 637 pccb->cmd[1] = pccb->lun<<5; 638 pccb->cmd[2] = ((unsigned char) (start >> 56)) & 0xff; 639 pccb->cmd[3] = ((unsigned char) (start >> 48)) & 0xff; 640 pccb->cmd[4] = ((unsigned char) (start >> 40)) & 0xff; 641 pccb->cmd[5] = ((unsigned char) (start >> 32)) & 0xff; 642 pccb->cmd[6] = ((unsigned char) (start >> 24)) & 0xff; 643 pccb->cmd[7] = ((unsigned char) (start >> 16)) & 0xff; 644 pccb->cmd[8] = ((unsigned char) (start >> 8)) & 0xff; 645 pccb->cmd[9] = ((unsigned char) (start)) & 0xff; 646 pccb->cmd[10] = 0; 647 pccb->cmd[11] = ((unsigned char) (blocks >> 24)) & 0xff; 648 pccb->cmd[12] = ((unsigned char) (blocks >> 16)) & 0xff; 649 pccb->cmd[13] = ((unsigned char) (blocks >> 8)) & 0xff; 650 pccb->cmd[14] = (unsigned char) blocks & 0xff; 651 pccb->cmd[15] = 0; 652 pccb->cmdlen = 16; 653 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ 654 debug ("scsi_setup_read16: cmd: %02X %02X " 655 "startblk %02X%02X%02X%02X%02X%02X%02X%02X " 656 "blccnt %02X%02X%02X%02X\n", 657 pccb->cmd[0], pccb->cmd[1], 658 pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5], 659 pccb->cmd[6], pccb->cmd[7], pccb->cmd[8], pccb->cmd[9], 660 pccb->cmd[11], pccb->cmd[12], pccb->cmd[13], pccb->cmd[14]); 661 } 662 #endif 663 664 void scsi_setup_read_ext(ccb * pccb, lbaint_t start, unsigned short blocks) 665 { 666 pccb->cmd[0]=SCSI_READ10; 667 pccb->cmd[1]=pccb->lun<<5; 668 pccb->cmd[2]=((unsigned char) (start>>24))&0xff; 669 pccb->cmd[3]=((unsigned char) (start>>16))&0xff; 670 pccb->cmd[4]=((unsigned char) (start>>8))&0xff; 671 pccb->cmd[5]=((unsigned char) (start))&0xff; 672 pccb->cmd[6]=0; 673 pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff; 674 pccb->cmd[8]=(unsigned char) blocks & 0xff; 675 pccb->cmd[6]=0; 676 pccb->cmdlen=10; 677 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ 678 debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", 679 pccb->cmd[0],pccb->cmd[1], 680 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], 681 pccb->cmd[7],pccb->cmd[8]); 682 } 683 684 void scsi_setup_write_ext(ccb *pccb, lbaint_t start, unsigned short blocks) 685 { 686 pccb->cmd[0] = SCSI_WRITE10; 687 pccb->cmd[1] = pccb->lun << 5; 688 pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff; 689 pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff; 690 pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff; 691 pccb->cmd[5] = ((unsigned char) (start)) & 0xff; 692 pccb->cmd[6] = 0; 693 pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff; 694 pccb->cmd[8] = (unsigned char)blocks & 0xff; 695 pccb->cmd[9] = 0; 696 pccb->cmdlen = 10; 697 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ 698 debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", 699 __func__, 700 pccb->cmd[0], pccb->cmd[1], 701 pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5], 702 pccb->cmd[7], pccb->cmd[8]); 703 } 704 705 void scsi_setup_read6(ccb * pccb, lbaint_t start, unsigned short blocks) 706 { 707 pccb->cmd[0]=SCSI_READ6; 708 pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f); 709 pccb->cmd[2]=((unsigned char) (start>>8))&0xff; 710 pccb->cmd[3]=((unsigned char) (start))&0xff; 711 pccb->cmd[4]=(unsigned char) blocks & 0xff; 712 pccb->cmd[5]=0; 713 pccb->cmdlen=6; 714 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ 715 debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", 716 pccb->cmd[0],pccb->cmd[1], 717 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]); 718 } 719 720 721 void scsi_setup_inquiry(ccb * pccb) 722 { 723 pccb->cmd[0]=SCSI_INQUIRY; 724 pccb->cmd[1]=pccb->lun<<5; 725 pccb->cmd[2]=0; 726 pccb->cmd[3]=0; 727 if(pccb->datalen>255) 728 pccb->cmd[4]=255; 729 else 730 pccb->cmd[4]=(unsigned char)pccb->datalen; 731 pccb->cmd[5]=0; 732 pccb->cmdlen=6; 733 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ 734 } 735