]> git.ipfire.org Git - people/ms/u-boot.git/blame - common/cmd_scsi.c
projects / people / ms / u-boot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Tegra30: Add arch-tegra30 include files
[people/ms/u-boot.git] / common / cmd_scsi.c
CommitLineData
e887afc9
WD		 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 *
25 */
26
27/*
28 * SCSI support.
29 */
e887afc9
WD		 30#include <common.h>
31#include <command.h>
e887afc9
WD		 32#include <asm/processor.h>
33#include <scsi.h>
34#include <image.h>
e887afc9
WD		 35#include <pci.h>
36
4ae5eb7c
VB		 37#ifdef CONFIG_SCSI_DEV_LIST
38#define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST
39#else
e887afc9
WD		 40#ifdef CONFIG_SCSI_SYM53C8XX
41#define SCSI_VEND_ID 0x1000
42#ifndef CONFIG_SCSI_DEV_ID
43#define SCSI_DEV_ID 0x0001
44#else
45#define SCSI_DEV_ID CONFIG_SCSI_DEV_ID
46#endif
4782ac80
JZ		 47#elif defined CONFIG_SATA_ULI5288
48
49#define SCSI_VEND_ID 0x10b9
50#define SCSI_DEV_ID 0x5288
51
942e3143 52#elif !defined(CONFIG_SCSI_AHCI_PLAT)
4782ac80 53#error no scsi device defined
e887afc9 54#endif
4ae5eb7c
VB		 55#define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID}
56#endif
e887afc9 57
4ae5eb7c
VB		 58#ifdef CONFIG_PCI
59const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST };
60#endif
e887afc9
WD		 61static ccb tempccb; /* temporary scsi command buffer */
62
63static unsigned char tempbuff[512]; /* temporary data buffer */
64
65static int scsi_max_devs; /* number of highest available scsi device */
66
67static int scsi_curr_dev; /* current device */
68
6d0f6bcf 69static block_dev_desc_t scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE];
e887afc9
WD		 70
71/********************************************************************************
72 * forward declerations of some Setup Routines
73 */
74void scsi_setup_test_unit_ready(ccb * pccb);
e887afc9
WD		 75void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks);
76void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks);
758c9e69
HTL		 77static void scsi_setup_write_ext(ccb *pccb, unsigned long start,
78 unsigned short blocks);
e887afc9
WD		 79void scsi_setup_inquiry(ccb * pccb);
80void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
81
82
b4c5bbce
GB		 83static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity,
84 unsigned long *blksz);
758c9e69
HTL		 85static ulong scsi_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer);
86static ulong scsi_write(int device, ulong blknr,
87 lbaint_t blkcnt, const void *buffer);
e887afc9
WD		 88
89
90/*********************************************************************************
91 * (re)-scan the scsi bus and reports scsi device info
92 * to the user if mode = 1
93 */
94void scsi_scan(int mode)
95{
96 unsigned char i,perq,modi,lun;
b4c5bbce
GB		 97 lbaint_t capacity;
98 unsigned long blksz;
e887afc9
WD		 99 ccb* pccb=(ccb *)&tempccb;
100
101 if(mode==1) {
102 printf("scanning bus for devices...\n");
103 }
6d0f6bcf 104 for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) {
e887afc9
WD		 105 scsi_dev_desc[i].target=0xff;
106 scsi_dev_desc[i].lun=0xff;
107 scsi_dev_desc[i].lba=0;
108 scsi_dev_desc[i].blksz=0;
109 scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN;
110 scsi_dev_desc[i].vendor[0]=0;
111 scsi_dev_desc[i].product[0]=0;
112 scsi_dev_desc[i].revision[0]=0;
113 scsi_dev_desc[i].removable=FALSE;
114 scsi_dev_desc[i].if_type=IF_TYPE_SCSI;
115 scsi_dev_desc[i].dev=i;
116 scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
117 scsi_dev_desc[i].block_read=scsi_read;
758c9e69 118 scsi_dev_desc[i].block_write = scsi_write;
e887afc9
WD		 119 }
120 scsi_max_devs=0;
6d0f6bcf 121 for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) {
e887afc9 122 pccb->target=i;
6d0f6bcf 123 for(lun=0;lun<CONFIG_SYS_SCSI_MAX_LUN;lun++) {
e887afc9
WD		 124 pccb->lun=lun;
125 pccb->pdata=(unsigned char *)&tempbuff;
126 pccb->datalen=512;
127 scsi_setup_inquiry(pccb);
128 if(scsi_exec(pccb)!=TRUE) {
129 if(pccb->contr_stat==SCSI_SEL_TIME_OUT) {
1a344f29 130 debug ("Selection timeout ID %d\n",pccb->target);
e887afc9
WD		 131 continue; /* selection timeout => assuming no device present */
132 }
133 scsi_print_error(pccb);
134 continue;
135 }
136 perq=tempbuff[0];
137 modi=tempbuff[1];
138 if((perq & 0x1f)==0x1f) {
139 continue; /* skip unknown devices */
140 }
141 if((modi&0x80)==0x80) /* drive is removable */
142 scsi_dev_desc[scsi_max_devs].removable=TRUE;
143 /* get info for this device */
2309c130
SR		 144 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0],
145 &tempbuff[8], 8);
146 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0],
147 &tempbuff[16], 16);
148 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0],
149 &tempbuff[32], 4);
e887afc9
WD		 150 scsi_dev_desc[scsi_max_devs].target=pccb->target;
151 scsi_dev_desc[scsi_max_devs].lun=pccb->lun;
152
153 pccb->datalen=0;
154 scsi_setup_test_unit_ready(pccb);
155 if(scsi_exec(pccb)!=TRUE) {
156 if(scsi_dev_desc[scsi_max_devs].removable==TRUE) {
157 scsi_dev_desc[scsi_max_devs].type=perq;
158 goto removable;
159 }
160 scsi_print_error(pccb);
161 continue;
162 }
b4c5bbce 163 if (scsi_read_capacity(pccb, &capacity, &blksz)) {
e887afc9
WD		 164 scsi_print_error(pccb);
165 continue;
166 }
e887afc9
WD		 167 scsi_dev_desc[scsi_max_devs].lba=capacity;
168 scsi_dev_desc[scsi_max_devs].blksz=blksz;
169 scsi_dev_desc[scsi_max_devs].type=perq;
170 init_part(&scsi_dev_desc[scsi_max_devs]);
171removable:
172 if(mode==1) {
173 printf (" Device %d: ", scsi_max_devs);
174 dev_print(&scsi_dev_desc[scsi_max_devs]);
175 } /* if mode */
176 scsi_max_devs++;
177 } /* next LUN */
178 }
179 if(scsi_max_devs>0)
180 scsi_curr_dev=0;
181 else
d0ff51ba 182 scsi_curr_dev = -1;
447c031b
SR		 183
184 printf("Found %d device(s).\n", scsi_max_devs);
185 setenv_ulong("scsidevs", scsi_max_devs);
186}
187
188int scsi_get_disk_count(void)
189{
190 return scsi_max_devs;
e887afc9
WD		 191}
192
942e3143 193#ifdef CONFIG_PCI
e887afc9
WD		 194void scsi_init(void)
195{
196 int busdevfunc;
4ae5eb7c
VB		 197 int i;
198 /*
199 * Find a device from the list, this driver will support a single
200 * controller.
201 */
202 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
203 /* get PCI Device ID */
204 busdevfunc = pci_find_device(scsi_device_list[i].vendor,
205 scsi_device_list[i].device,
206 0);
207 if (busdevfunc != -1)
208 break;
209 }
e887afc9 210
4ae5eb7c
VB		 211 if (busdevfunc == -1) {
212 printf("Error: SCSI Controller(s) ");
213 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
214 printf("%04X:%04X ",
215 scsi_device_list[i].vendor,
216 scsi_device_list[i].device);
217 }
218 printf("not found\n");
e887afc9
WD		 219 return;
220 }
221#ifdef DEBUG
222 else {
4ae5eb7c
VB		 223 printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",
224 scsi_device_list[i].vendor,
225 scsi_device_list[i].device,
226 (busdevfunc >> 16) & 0xFF,
227 (busdevfunc >> 11) & 0x1F,
228 (busdevfunc >> 8) & 0x7);
e887afc9
WD		 229 }
230#endif
231 scsi_low_level_init(busdevfunc);
232 scsi_scan(1);
233}
942e3143 234#endif
e887afc9 235
df3fc526 236#ifdef CONFIG_PARTITIONS
e887afc9
WD		 237block_dev_desc_t * scsi_get_dev(int dev)
238{
6d0f6bcf 239 return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
e887afc9 240}
df3fc526 241#endif
e887afc9 242
e887afc9
WD		 243/******************************************************************************
244 * scsi boot command intepreter. Derived from diskboot
245 */
54841ab5 246int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
e887afc9 247{
7405a133 248 return common_diskboot(cmdtp, "scsi", argc, argv);
e887afc9
WD		 249}
250
251/*********************************************************************************
252 * scsi command intepreter
253 */
54841ab5 254int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
e887afc9
WD		 255{
256 switch (argc) {
4c12eeb8
SG		 257 case 0:
258 case 1:
259 return CMD_RET_USAGE;
47e26b1b 260
4c12eeb8 261 case 2:
e887afc9
WD		 262 if (strncmp(argv[1],"res",3) == 0) {
263 printf("\nReset SCSI\n");
264 scsi_bus_reset();
265 scsi_scan(1);
266 return 0;
267 }
268 if (strncmp(argv[1],"inf",3) == 0) {
269 int i;
6d0f6bcf 270 for (i=0; i<CONFIG_SYS_SCSI_MAX_DEVICE; ++i) {
e887afc9
WD		 271 if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN)
272 continue; /* list only known devices */
273 printf ("SCSI dev. %d: ", i);
274 dev_print(&scsi_dev_desc[i]);
275 }
276 return 0;
277 }
278 if (strncmp(argv[1],"dev",3) == 0) {
6d0f6bcf 279 if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) {
e887afc9
WD		 280 printf("\nno SCSI devices available\n");
281 return 1;
282 }
283 printf ("\n Device %d: ", scsi_curr_dev);
284 dev_print(&scsi_dev_desc[scsi_curr_dev]);
285 return 0;
286 }
287 if (strncmp(argv[1],"scan",4) == 0) {
288 scsi_scan(1);
289 return 0;
290 }
291 if (strncmp(argv[1],"part",4) == 0) {
292 int dev, ok;
6d0f6bcf 293 for (ok=0, dev=0; dev<CONFIG_SYS_SCSI_MAX_DEVICE; ++dev) {
e887afc9
WD		 294 if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) {
295 ok++;
296 if (dev)
297 printf("\n");
1a344f29 298 debug ("print_part of %x\n",dev);
e887afc9
WD		 299 print_part(&scsi_dev_desc[dev]);
300 }
301 }
302 if (!ok)
303 printf("\nno SCSI devices available\n");
304 return 1;
305 }
4c12eeb8 306 return CMD_RET_USAGE;
53677ef1 307 case 3:
e887afc9
WD		 308 if (strncmp(argv[1],"dev",3) == 0) {
309 int dev = (int)simple_strtoul(argv[2], NULL, 10);
310 printf ("\nSCSI device %d: ", dev);
6d0f6bcf 311 if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) {
e887afc9
WD		 312 printf("unknown device\n");
313 return 1;
314 }
315 printf ("\n Device %d: ", dev);
316 dev_print(&scsi_dev_desc[dev]);
317 if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
318 return 1;
319 }
320 scsi_curr_dev = dev;
321 printf("... is now current device\n");
322 return 0;
323 }
324 if (strncmp(argv[1],"part",4) == 0) {
325 int dev = (int)simple_strtoul(argv[2], NULL, 10);
326 if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) {
327 print_part(&scsi_dev_desc[dev]);
328 }
329 else {
330 printf ("\nSCSI device %d not available\n", dev);
331 }
332 return 1;
333 }
4c12eeb8 334 return CMD_RET_USAGE;
e887afc9
WD		 335 default:
336 /* at least 4 args */
337 if (strcmp(argv[1],"read") == 0) {
338 ulong addr = simple_strtoul(argv[2], NULL, 16);
339 ulong blk = simple_strtoul(argv[3], NULL, 16);
340 ulong cnt = simple_strtoul(argv[4], NULL, 16);
341 ulong n;
342 printf ("\nSCSI read: device %d block # %ld, count %ld ... ",
343 scsi_curr_dev, blk, cnt);
344 n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr);
345 printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR");
346 return 0;
758c9e69
HTL		 347 } else if (strcmp(argv[1], "write") == 0) {
348 ulong addr = simple_strtoul(argv[2], NULL, 16);
349 ulong blk = simple_strtoul(argv[3], NULL, 16);
350 ulong cnt = simple_strtoul(argv[4], NULL, 16);
351 ulong n;
352 printf("\nSCSI write: device %d block # %ld, "
353 "count %ld ... ",
354 scsi_curr_dev, blk, cnt);
355 n = scsi_write(scsi_curr_dev, blk, cnt,
356 (ulong *)addr);
357 printf("%ld blocks written: %s\n", n,
358 (n == cnt) ? "OK" : "ERROR");
359 return 0;
e887afc9
WD		 360 }
361 } /* switch */
4c12eeb8 362 return CMD_RET_USAGE;
e887afc9
WD		 363}
364
365/****************************************************************************************
366 * scsi_read
367 */
368
369#define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
370
758c9e69 371static ulong scsi_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer)
e887afc9 372{
758c9e69
HTL		 373 lbaint_t start, blks;
374 uintptr_t buf_addr;
e887afc9
WD		 375 unsigned short smallblks;
376 ccb* pccb=(ccb *)&tempccb;
377 device&=0xff;
378 /* Setup device
379 */
380 pccb->target=scsi_dev_desc[device].target;
381 pccb->lun=scsi_dev_desc[device].lun;
382 buf_addr=(unsigned long)buffer;
383 start=blknr;
384 blks=blkcnt;
758c9e69
HTL		 385 debug("\nscsi_read: dev %d startblk " LBAF
386 ", blccnt " LBAF " buffer %lx\n",
387 device, start, blks, (unsigned long)buffer);
e887afc9
WD		 388 do {
389 pccb->pdata=(unsigned char *)buf_addr;
390 if(blks>SCSI_MAX_READ_BLK) {
391 pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK;
392 smallblks=SCSI_MAX_READ_BLK;
393 scsi_setup_read_ext(pccb,start,smallblks);
394 start+=SCSI_MAX_READ_BLK;
395 blks-=SCSI_MAX_READ_BLK;
396 }
397 else {
398 pccb->datalen=scsi_dev_desc[device].blksz * blks;
399 smallblks=(unsigned short) blks;
400 scsi_setup_read_ext(pccb,start,smallblks);
401 start+=blks;
402 blks=0;
403 }
758c9e69
HTL		 404 debug("scsi_read_ext: startblk " LBAF
405 ", blccnt %x buffer %lx\n",
406 start, smallblks, buf_addr);
e887afc9
WD		 407 if(scsi_exec(pccb)!=TRUE) {
408 scsi_print_error(pccb);
409 blkcnt-=blks;
410 break;
411 }
412 buf_addr+=pccb->datalen;
413 } while(blks!=0);
758c9e69
HTL		 414 debug("scsi_read_ext: end startblk " LBAF
415 ", blccnt %x buffer %lx\n", start, smallblks, buf_addr);
e887afc9
WD		 416 return(blkcnt);
417}
418
758c9e69
HTL		 419/*******************************************************************************
420 * scsi_write
421 */
422
423/* Almost the maximum amount of the scsi_ext command.. */
424#define SCSI_MAX_WRITE_BLK 0xFFFF
425
426static ulong scsi_write(int device, ulong blknr,
427 lbaint_t blkcnt, const void *buffer)
428{
429 lbaint_t start, blks;
430 uintptr_t buf_addr;
431 unsigned short smallblks;
432 ccb* pccb = (ccb *)&tempccb;
433 device &= 0xff;
434 /* Setup device
435 */
436 pccb->target = scsi_dev_desc[device].target;
437 pccb->lun = scsi_dev_desc[device].lun;
438 buf_addr = (unsigned long)buffer;
439 start = blknr;
440 blks = blkcnt;
441 debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
442 __func__, device, start, blks, (unsigned long)buffer);
443 do {
444 pccb->pdata = (unsigned char *)buf_addr;
445 if (blks > SCSI_MAX_WRITE_BLK) {
446 pccb->datalen = (scsi_dev_desc[device].blksz *
447 SCSI_MAX_WRITE_BLK);
448 smallblks = SCSI_MAX_WRITE_BLK;
449 scsi_setup_write_ext(pccb, start, smallblks);
450 start += SCSI_MAX_WRITE_BLK;
451 blks -= SCSI_MAX_WRITE_BLK;
452 } else {
453 pccb->datalen = scsi_dev_desc[device].blksz * blks;
454 smallblks = (unsigned short)blks;
455 scsi_setup_write_ext(pccb, start, smallblks);
456 start += blks;
457 blks = 0;
458 }
459 debug("%s: startblk " LBAF ", blccnt %x buffer %lx\n",
460 __func__, start, smallblks, buf_addr);
461 if (scsi_exec(pccb) != TRUE) {
462 scsi_print_error(pccb);
463 blkcnt -= blks;
464 break;
465 }
466 buf_addr += pccb->datalen;
467 } while (blks != 0);
468 debug("%s: end startblk " LBAF ", blccnt %x buffer %lx\n",
469 __func__, start, smallblks, buf_addr);
470 return blkcnt;
471}
472
e887afc9
WD		 473/* copy src to dest, skipping leading and trailing blanks
474 * and null terminate the string
475 */
476void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
477{
478 int start,end;
479
480 start=0;
481 while(start<len) {
482 if(src[start]!=' ')
483 break;
484 start++;
485 }
486 end=len-1;
487 while(end>start) {
488 if(src[end]!=' ')
489 break;
490 end--;
491 }
492 for( ; start<=end; start++) {
493 *dest++=src[start];
494 }
495 *dest='\0';
496}
497
498
e887afc9
WD		 499/* Trim trailing blanks, and NUL-terminate string
500 */
501void scsi_trim_trail (unsigned char *str, unsigned int len)
502{
503 unsigned char *p = str + len - 1;
504
505 while (len-- > 0) {
506 *p-- = '\0';
507 if (*p != ' ') {
508 return;
509 }
510 }
511}
512
b4c5bbce
GB		 513int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz)
514{
515 *capacity = 0;
516
517 memset(pccb->cmd, 0, sizeof(pccb->cmd));
518 pccb->cmd[0] = SCSI_RD_CAPAC10;
519 pccb->cmd[1] = pccb->lun << 5;
520 pccb->cmdlen = 10;
521 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
522
523 pccb->datalen = 8;
524 if (scsi_exec(pccb) != TRUE)
525 return 1;
526
527 *capacity = ((lbaint_t)pccb->pdata[0] << 24) |
528 ((lbaint_t)pccb->pdata[1] << 16) |
529 ((lbaint_t)pccb->pdata[2] << 8) |
530 ((lbaint_t)pccb->pdata[3]);
531
532 if (*capacity != 0xffffffff) {
533 /* Read capacity (10) was sufficient for this drive. */
534 *blksz = ((unsigned long)pccb->pdata[4] << 24) |
535 ((unsigned long)pccb->pdata[5] << 16) |
536 ((unsigned long)pccb->pdata[6] << 8) |
537 ((unsigned long)pccb->pdata[7]);
538 return 0;
539 }
540
541 /* Read capacity (10) was insufficient. Use read capacity (16). */
542
543 memset(pccb->cmd, 0, sizeof(pccb->cmd));
544 pccb->cmd[0] = SCSI_RD_CAPAC16;
545 pccb->cmd[1] = 0x10;
546 pccb->cmdlen = 16;
547 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
548
549 pccb->datalen = 16;
550 if (scsi_exec(pccb) != TRUE)
551 return 1;
552
553 *capacity = ((uint64_t)pccb->pdata[0] << 56) |
554 ((uint64_t)pccb->pdata[1] << 48) |
555 ((uint64_t)pccb->pdata[2] << 40) |
556 ((uint64_t)pccb->pdata[3] << 32) |
557 ((uint64_t)pccb->pdata[4] << 24) |
558 ((uint64_t)pccb->pdata[5] << 16) |
559 ((uint64_t)pccb->pdata[6] << 8) |
560 ((uint64_t)pccb->pdata[7]);
561
562 *blksz = ((uint64_t)pccb->pdata[8] << 56) |
563 ((uint64_t)pccb->pdata[9] << 48) |
564 ((uint64_t)pccb->pdata[10] << 40) |
565 ((uint64_t)pccb->pdata[11] << 32) |
566 ((uint64_t)pccb->pdata[12] << 24) |
567 ((uint64_t)pccb->pdata[13] << 16) |
568 ((uint64_t)pccb->pdata[14] << 8) |
569 ((uint64_t)pccb->pdata[15]);
570
571 return 0;
572}
573
e887afc9
WD		 574
575/************************************************************************************
576 * Some setup (fill-in) routines
577 */
578void scsi_setup_test_unit_ready(ccb * pccb)
579{
580 pccb->cmd[0]=SCSI_TST_U_RDY;
581 pccb->cmd[1]=pccb->lun<<5;
582 pccb->cmd[2]=0;
583 pccb->cmd[3]=0;
584 pccb->cmd[4]=0;
585 pccb->cmd[5]=0;
586 pccb->cmdlen=6;
587 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
588}
589
e887afc9
WD		 590void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks)
591{
592 pccb->cmd[0]=SCSI_READ10;
593 pccb->cmd[1]=pccb->lun<<5;
594 pccb->cmd[2]=((unsigned char) (start>>24))&0xff;
595 pccb->cmd[3]=((unsigned char) (start>>16))&0xff;
596 pccb->cmd[4]=((unsigned char) (start>>8))&0xff;
597 pccb->cmd[5]=((unsigned char) (start))&0xff;
598 pccb->cmd[6]=0;
599 pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff;
600 pccb->cmd[8]=(unsigned char) blocks & 0xff;
601 pccb->cmd[6]=0;
602 pccb->cmdlen=10;
603 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
1a344f29 604 debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
e887afc9
WD		 605 pccb->cmd[0],pccb->cmd[1],
606 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5],
607 pccb->cmd[7],pccb->cmd[8]);
608}
609
758c9e69
HTL		 610void scsi_setup_write_ext(ccb *pccb, unsigned long start, unsigned short blocks)
611{
612 pccb->cmd[0] = SCSI_WRITE10;
613 pccb->cmd[1] = pccb->lun << 5;
614 pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff;
615 pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff;
616 pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff;
617 pccb->cmd[5] = ((unsigned char) (start)) & 0xff;
618 pccb->cmd[6] = 0;
619 pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff;
620 pccb->cmd[8] = (unsigned char)blocks & 0xff;
621 pccb->cmd[9] = 0;
622 pccb->cmdlen = 10;
623 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
624 debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
625 __func__,
626 pccb->cmd[0], pccb->cmd[1],
627 pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
628 pccb->cmd[7], pccb->cmd[8]);
629}
630
e887afc9
WD		 631void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks)
632{
633 pccb->cmd[0]=SCSI_READ6;
634 pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f);
635 pccb->cmd[2]=((unsigned char) (start>>8))&0xff;
636 pccb->cmd[3]=((unsigned char) (start))&0xff;
637 pccb->cmd[4]=(unsigned char) blocks & 0xff;
638 pccb->cmd[5]=0;
639 pccb->cmdlen=6;
640 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
1a344f29 641 debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n",
e887afc9
WD		 642 pccb->cmd[0],pccb->cmd[1],
643 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]);
644}
645
646
647void scsi_setup_inquiry(ccb * pccb)
648{
649 pccb->cmd[0]=SCSI_INQUIRY;
650 pccb->cmd[1]=pccb->lun<<5;
651 pccb->cmd[2]=0;
652 pccb->cmd[3]=0;
653 if(pccb->datalen>255)
654 pccb->cmd[4]=255;
655 else
656 pccb->cmd[4]=(unsigned char)pccb->datalen;
657 pccb->cmd[5]=0;
658 pccb->cmdlen=6;
659 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
660}
661
460c322f
WD		 662
663U_BOOT_CMD(
664 scsi, 5, 1, do_scsi,
2fb2604d 665 "SCSI sub-system",
460c322f
WD		 666 "reset - reset SCSI controller\n"
667 "scsi info - show available SCSI devices\n"
668 "scsi scan - (re-)scan SCSI bus\n"
669 "scsi device [dev] - show or set current device\n"
670 "scsi part [dev] - print partition table of one or all SCSI devices\n"
671 "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
758c9e69
HTL		 672 " to memory address `addr'\n"
673 "scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
674 " `blk#' from memory address `addr'"
460c322f
WD		 675);
676
677U_BOOT_CMD(
678 scsiboot, 3, 1, do_scsiboot,
2fb2604d 679 "boot from SCSI device",
a89c33db 680 "loadAddr dev:part"
460c322f 681);
"Das U-Boot" Source Tree