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[u-boot.git] / common / cmd_scsi.c
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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);
4f6aa346
SG		 85static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt,
86 void *buffer);
87static ulong scsi_write(int device, lbaint_t blknr,
758c9e69 88 lbaint_t blkcnt, const void *buffer);
e887afc9
WD		 89
90
91/*********************************************************************************
92 * (re)-scan the scsi bus and reports scsi device info
93 * to the user if mode = 1
94 */
95void scsi_scan(int mode)
96{
97 unsigned char i,perq,modi,lun;
b4c5bbce
GB		 98 lbaint_t capacity;
99 unsigned long blksz;
e887afc9
WD		 100 ccb* pccb=(ccb *)&tempccb;
101
102 if(mode==1) {
103 printf("scanning bus for devices...\n");
104 }
6d0f6bcf 105 for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) {
e887afc9
WD		 106 scsi_dev_desc[i].target=0xff;
107 scsi_dev_desc[i].lun=0xff;
108 scsi_dev_desc[i].lba=0;
109 scsi_dev_desc[i].blksz=0;
0472fbfd
EE		 110 scsi_dev_desc[i].log2blksz =
111 LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz));
e887afc9
WD		 112 scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN;
113 scsi_dev_desc[i].vendor[0]=0;
114 scsi_dev_desc[i].product[0]=0;
115 scsi_dev_desc[i].revision[0]=0;
472d5460 116 scsi_dev_desc[i].removable = false;
e887afc9
WD		 117 scsi_dev_desc[i].if_type=IF_TYPE_SCSI;
118 scsi_dev_desc[i].dev=i;
119 scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
120 scsi_dev_desc[i].block_read=scsi_read;
758c9e69 121 scsi_dev_desc[i].block_write = scsi_write;
e887afc9
WD		 122 }
123 scsi_max_devs=0;
6d0f6bcf 124 for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) {
e887afc9 125 pccb->target=i;
6d0f6bcf 126 for(lun=0;lun<CONFIG_SYS_SCSI_MAX_LUN;lun++) {
e887afc9
WD		 127 pccb->lun=lun;
128 pccb->pdata=(unsigned char *)&tempbuff;
129 pccb->datalen=512;
130 scsi_setup_inquiry(pccb);
472d5460 131 if (scsi_exec(pccb) != true) {
e887afc9 132 if(pccb->contr_stat==SCSI_SEL_TIME_OUT) {
1a344f29 133 debug ("Selection timeout ID %d\n",pccb->target);
e887afc9
WD		 134 continue; /* selection timeout => assuming no device present */
135 }
136 scsi_print_error(pccb);
137 continue;
138 }
139 perq=tempbuff[0];
140 modi=tempbuff[1];
141 if((perq & 0x1f)==0x1f) {
142 continue; /* skip unknown devices */
143 }
144 if((modi&0x80)==0x80) /* drive is removable */
472d5460 145 scsi_dev_desc[scsi_max_devs].removable=true;
e887afc9 146 /* get info for this device */
2309c130
SR		 147 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0],
148 &tempbuff[8], 8);
149 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0],
150 &tempbuff[16], 16);
151 scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0],
152 &tempbuff[32], 4);
e887afc9
WD		 153 scsi_dev_desc[scsi_max_devs].target=pccb->target;
154 scsi_dev_desc[scsi_max_devs].lun=pccb->lun;
155
156 pccb->datalen=0;
157 scsi_setup_test_unit_ready(pccb);
472d5460
YS		 158 if (scsi_exec(pccb) != true) {
159 if (scsi_dev_desc[scsi_max_devs].removable == true) {
e887afc9
WD		 160 scsi_dev_desc[scsi_max_devs].type=perq;
161 goto removable;
162 }
163 scsi_print_error(pccb);
164 continue;
165 }
b4c5bbce 166 if (scsi_read_capacity(pccb, &capacity, &blksz)) {
e887afc9
WD		 167 scsi_print_error(pccb);
168 continue;
169 }
e887afc9
WD		 170 scsi_dev_desc[scsi_max_devs].lba=capacity;
171 scsi_dev_desc[scsi_max_devs].blksz=blksz;
0472fbfd
EE		 172 scsi_dev_desc[scsi_max_devs].log2blksz =
173 LOG2(scsi_dev_desc[scsi_max_devs].blksz);
e887afc9
WD		 174 scsi_dev_desc[scsi_max_devs].type=perq;
175 init_part(&scsi_dev_desc[scsi_max_devs]);
176removable:
177 if(mode==1) {
178 printf (" Device %d: ", scsi_max_devs);
179 dev_print(&scsi_dev_desc[scsi_max_devs]);
180 } /* if mode */
181 scsi_max_devs++;
182 } /* next LUN */
183 }
184 if(scsi_max_devs>0)
185 scsi_curr_dev=0;
186 else
d0ff51ba 187 scsi_curr_dev = -1;
447c031b
SR		 188
189 printf("Found %d device(s).\n", scsi_max_devs);
190 setenv_ulong("scsidevs", scsi_max_devs);
191}
192
193int scsi_get_disk_count(void)
194{
195 return scsi_max_devs;
e887afc9
WD		 196}
197
942e3143 198#ifdef CONFIG_PCI
e887afc9
WD		 199void scsi_init(void)
200{
201 int busdevfunc;
4ae5eb7c
VB		 202 int i;
203 /*
204 * Find a device from the list, this driver will support a single
205 * controller.
206 */
207 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
208 /* get PCI Device ID */
209 busdevfunc = pci_find_device(scsi_device_list[i].vendor,
210 scsi_device_list[i].device,
211 0);
212 if (busdevfunc != -1)
213 break;
214 }
e887afc9 215
4ae5eb7c
VB		 216 if (busdevfunc == -1) {
217 printf("Error: SCSI Controller(s) ");
218 for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
219 printf("%04X:%04X ",
220 scsi_device_list[i].vendor,
221 scsi_device_list[i].device);
222 }
223 printf("not found\n");
e887afc9
WD		 224 return;
225 }
226#ifdef DEBUG
227 else {
4ae5eb7c
VB		 228 printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",
229 scsi_device_list[i].vendor,
230 scsi_device_list[i].device,
231 (busdevfunc >> 16) & 0xFF,
232 (busdevfunc >> 11) & 0x1F,
233 (busdevfunc >> 8) & 0x7);
e887afc9
WD		 234 }
235#endif
236 scsi_low_level_init(busdevfunc);
237 scsi_scan(1);
238}
942e3143 239#endif
e887afc9 240
df3fc526 241#ifdef CONFIG_PARTITIONS
e887afc9
WD		 242block_dev_desc_t * scsi_get_dev(int dev)
243{
6d0f6bcf 244 return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
e887afc9 245}
df3fc526 246#endif
e887afc9 247
e887afc9
WD		 248/******************************************************************************
249 * scsi boot command intepreter. Derived from diskboot
250 */
54841ab5 251int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
e887afc9 252{
7405a133 253 return common_diskboot(cmdtp, "scsi", argc, argv);
e887afc9
WD		 254}
255
256/*********************************************************************************
257 * scsi command intepreter
258 */
54841ab5 259int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
e887afc9
WD		 260{
261 switch (argc) {
4c12eeb8
SG		 262 case 0:
263 case 1:
264 return CMD_RET_USAGE;
47e26b1b 265
4c12eeb8 266 case 2:
e887afc9
WD		 267 if (strncmp(argv[1],"res",3) == 0) {
268 printf("\nReset SCSI\n");
269 scsi_bus_reset();
270 scsi_scan(1);
271 return 0;
272 }
273 if (strncmp(argv[1],"inf",3) == 0) {
274 int i;
6d0f6bcf 275 for (i=0; i<CONFIG_SYS_SCSI_MAX_DEVICE; ++i) {
e887afc9
WD		 276 if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN)
277 continue; /* list only known devices */
278 printf ("SCSI dev. %d: ", i);
279 dev_print(&scsi_dev_desc[i]);
280 }
281 return 0;
282 }
283 if (strncmp(argv[1],"dev",3) == 0) {
6d0f6bcf 284 if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) {
e887afc9
WD		 285 printf("\nno SCSI devices available\n");
286 return 1;
287 }
288 printf ("\n Device %d: ", scsi_curr_dev);
289 dev_print(&scsi_dev_desc[scsi_curr_dev]);
290 return 0;
291 }
292 if (strncmp(argv[1],"scan",4) == 0) {
293 scsi_scan(1);
294 return 0;
295 }
296 if (strncmp(argv[1],"part",4) == 0) {
297 int dev, ok;
6d0f6bcf 298 for (ok=0, dev=0; dev<CONFIG_SYS_SCSI_MAX_DEVICE; ++dev) {
e887afc9
WD		 299 if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) {
300 ok++;
301 if (dev)
302 printf("\n");
1a344f29 303 debug ("print_part of %x\n",dev);
e887afc9
WD		 304 print_part(&scsi_dev_desc[dev]);
305 }
306 }
307 if (!ok)
308 printf("\nno SCSI devices available\n");
309 return 1;
310 }
4c12eeb8 311 return CMD_RET_USAGE;
53677ef1 312 case 3:
e887afc9
WD		 313 if (strncmp(argv[1],"dev",3) == 0) {
314 int dev = (int)simple_strtoul(argv[2], NULL, 10);
315 printf ("\nSCSI device %d: ", dev);
6d0f6bcf 316 if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) {
e887afc9
WD		 317 printf("unknown device\n");
318 return 1;
319 }
320 printf ("\n Device %d: ", dev);
321 dev_print(&scsi_dev_desc[dev]);
322 if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
323 return 1;
324 }
325 scsi_curr_dev = dev;
326 printf("... is now current device\n");
327 return 0;
328 }
329 if (strncmp(argv[1],"part",4) == 0) {
330 int dev = (int)simple_strtoul(argv[2], NULL, 10);
331 if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) {
332 print_part(&scsi_dev_desc[dev]);
333 }
334 else {
335 printf ("\nSCSI device %d not available\n", dev);
336 }
337 return 1;
338 }
4c12eeb8 339 return CMD_RET_USAGE;
e887afc9
WD		 340 default:
341 /* at least 4 args */
342 if (strcmp(argv[1],"read") == 0) {
343 ulong addr = simple_strtoul(argv[2], NULL, 16);
344 ulong blk = simple_strtoul(argv[3], NULL, 16);
345 ulong cnt = simple_strtoul(argv[4], NULL, 16);
346 ulong n;
347 printf ("\nSCSI read: device %d block # %ld, count %ld ... ",
348 scsi_curr_dev, blk, cnt);
349 n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr);
350 printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR");
351 return 0;
758c9e69
HTL		 352 } else if (strcmp(argv[1], "write") == 0) {
353 ulong addr = simple_strtoul(argv[2], NULL, 16);
354 ulong blk = simple_strtoul(argv[3], NULL, 16);
355 ulong cnt = simple_strtoul(argv[4], NULL, 16);
356 ulong n;
357 printf("\nSCSI write: device %d block # %ld, "
358 "count %ld ... ",
359 scsi_curr_dev, blk, cnt);
360 n = scsi_write(scsi_curr_dev, blk, cnt,
361 (ulong *)addr);
362 printf("%ld blocks written: %s\n", n,
363 (n == cnt) ? "OK" : "ERROR");
364 return 0;
e887afc9
WD		 365 }
366 } /* switch */
4c12eeb8 367 return CMD_RET_USAGE;
e887afc9
WD		 368}
369
370/****************************************************************************************
371 * scsi_read
372 */
373
374#define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
375
4f6aa346
SG		 376static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt,
377 void *buffer)
e887afc9 378{
758c9e69
HTL		 379 lbaint_t start, blks;
380 uintptr_t buf_addr;
e887afc9
WD		 381 unsigned short smallblks;
382 ccb* pccb=(ccb *)&tempccb;
383 device&=0xff;
384 /* Setup device
385 */
386 pccb->target=scsi_dev_desc[device].target;
387 pccb->lun=scsi_dev_desc[device].lun;
388 buf_addr=(unsigned long)buffer;
389 start=blknr;
390 blks=blkcnt;
758c9e69
HTL		 391 debug("\nscsi_read: dev %d startblk " LBAF
392 ", blccnt " LBAF " buffer %lx\n",
393 device, start, blks, (unsigned long)buffer);
e887afc9
WD		 394 do {
395 pccb->pdata=(unsigned char *)buf_addr;
396 if(blks>SCSI_MAX_READ_BLK) {
397 pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK;
398 smallblks=SCSI_MAX_READ_BLK;
399 scsi_setup_read_ext(pccb,start,smallblks);
400 start+=SCSI_MAX_READ_BLK;
401 blks-=SCSI_MAX_READ_BLK;
402 }
403 else {
404 pccb->datalen=scsi_dev_desc[device].blksz * blks;
405 smallblks=(unsigned short) blks;
406 scsi_setup_read_ext(pccb,start,smallblks);
407 start+=blks;
408 blks=0;
409 }
758c9e69
HTL		 410 debug("scsi_read_ext: startblk " LBAF
411 ", blccnt %x buffer %lx\n",
412 start, smallblks, buf_addr);
472d5460 413 if (scsi_exec(pccb) != true) {
e887afc9
WD		 414 scsi_print_error(pccb);
415 blkcnt-=blks;
416 break;
417 }
418 buf_addr+=pccb->datalen;
419 } while(blks!=0);
758c9e69
HTL		 420 debug("scsi_read_ext: end startblk " LBAF
421 ", blccnt %x buffer %lx\n", start, smallblks, buf_addr);
e887afc9
WD		 422 return(blkcnt);
423}
424
758c9e69
HTL		 425/*******************************************************************************
426 * scsi_write
427 */
428
429/* Almost the maximum amount of the scsi_ext command.. */
430#define SCSI_MAX_WRITE_BLK 0xFFFF
431
4f6aa346 432static ulong scsi_write(int device, lbaint_t blknr,
758c9e69
HTL		 433 lbaint_t blkcnt, const void *buffer)
434{
435 lbaint_t start, blks;
436 uintptr_t buf_addr;
437 unsigned short smallblks;
438 ccb* pccb = (ccb *)&tempccb;
439 device &= 0xff;
440 /* Setup device
441 */
442 pccb->target = scsi_dev_desc[device].target;
443 pccb->lun = scsi_dev_desc[device].lun;
444 buf_addr = (unsigned long)buffer;
445 start = blknr;
446 blks = blkcnt;
447 debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
448 __func__, device, start, blks, (unsigned long)buffer);
449 do {
450 pccb->pdata = (unsigned char *)buf_addr;
451 if (blks > SCSI_MAX_WRITE_BLK) {
452 pccb->datalen = (scsi_dev_desc[device].blksz *
453 SCSI_MAX_WRITE_BLK);
454 smallblks = SCSI_MAX_WRITE_BLK;
455 scsi_setup_write_ext(pccb, start, smallblks);
456 start += SCSI_MAX_WRITE_BLK;
457 blks -= SCSI_MAX_WRITE_BLK;
458 } else {
459 pccb->datalen = scsi_dev_desc[device].blksz * blks;
460 smallblks = (unsigned short)blks;
461 scsi_setup_write_ext(pccb, start, smallblks);
462 start += blks;
463 blks = 0;
464 }
465 debug("%s: startblk " LBAF ", blccnt %x buffer %lx\n",
466 __func__, start, smallblks, buf_addr);
472d5460 467 if (scsi_exec(pccb) != true) {
758c9e69
HTL		 468 scsi_print_error(pccb);
469 blkcnt -= blks;
470 break;
471 }
472 buf_addr += pccb->datalen;
473 } while (blks != 0);
474 debug("%s: end startblk " LBAF ", blccnt %x buffer %lx\n",
475 __func__, start, smallblks, buf_addr);
476 return blkcnt;
477}
478
e887afc9
WD		 479/* copy src to dest, skipping leading and trailing blanks
480 * and null terminate the string
481 */
482void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
483{
484 int start,end;
485
486 start=0;
487 while(start<len) {
488 if(src[start]!=' ')
489 break;
490 start++;
491 }
492 end=len-1;
493 while(end>start) {
494 if(src[end]!=' ')
495 break;
496 end--;
497 }
498 for( ; start<=end; start++) {
499 *dest++=src[start];
500 }
501 *dest='\0';
502}
503
504
e887afc9
WD		 505/* Trim trailing blanks, and NUL-terminate string
506 */
507void scsi_trim_trail (unsigned char *str, unsigned int len)
508{
509 unsigned char *p = str + len - 1;
510
511 while (len-- > 0) {
512 *p-- = '\0';
513 if (*p != ' ') {
514 return;
515 }
516 }
517}
518
b4c5bbce
GB		 519int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz)
520{
521 *capacity = 0;
522
523 memset(pccb->cmd, 0, sizeof(pccb->cmd));
524 pccb->cmd[0] = SCSI_RD_CAPAC10;
525 pccb->cmd[1] = pccb->lun << 5;
526 pccb->cmdlen = 10;
527 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
528
529 pccb->datalen = 8;
472d5460 530 if (scsi_exec(pccb) != true)
b4c5bbce
GB		 531 return 1;
532
533 *capacity = ((lbaint_t)pccb->pdata[0] << 24) |
534 ((lbaint_t)pccb->pdata[1] << 16) |
535 ((lbaint_t)pccb->pdata[2] << 8) |
536 ((lbaint_t)pccb->pdata[3]);
537
538 if (*capacity != 0xffffffff) {
539 /* Read capacity (10) was sufficient for this drive. */
540 *blksz = ((unsigned long)pccb->pdata[4] << 24) |
541 ((unsigned long)pccb->pdata[5] << 16) |
542 ((unsigned long)pccb->pdata[6] << 8) |
543 ((unsigned long)pccb->pdata[7]);
544 return 0;
545 }
546
547 /* Read capacity (10) was insufficient. Use read capacity (16). */
548
549 memset(pccb->cmd, 0, sizeof(pccb->cmd));
550 pccb->cmd[0] = SCSI_RD_CAPAC16;
551 pccb->cmd[1] = 0x10;
552 pccb->cmdlen = 16;
553 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
554
555 pccb->datalen = 16;
472d5460 556 if (scsi_exec(pccb) != true)
b4c5bbce
GB		 557 return 1;
558
559 *capacity = ((uint64_t)pccb->pdata[0] << 56) |
560 ((uint64_t)pccb->pdata[1] << 48) |
561 ((uint64_t)pccb->pdata[2] << 40) |
562 ((uint64_t)pccb->pdata[3] << 32) |
563 ((uint64_t)pccb->pdata[4] << 24) |
564 ((uint64_t)pccb->pdata[5] << 16) |
565 ((uint64_t)pccb->pdata[6] << 8) |
566 ((uint64_t)pccb->pdata[7]);
567
568 *blksz = ((uint64_t)pccb->pdata[8] << 56) |
569 ((uint64_t)pccb->pdata[9] << 48) |
570 ((uint64_t)pccb->pdata[10] << 40) |
571 ((uint64_t)pccb->pdata[11] << 32) |
572 ((uint64_t)pccb->pdata[12] << 24) |
573 ((uint64_t)pccb->pdata[13] << 16) |
574 ((uint64_t)pccb->pdata[14] << 8) |
575 ((uint64_t)pccb->pdata[15]);
576
577 return 0;
578}
579
e887afc9
WD		 580
581/************************************************************************************
582 * Some setup (fill-in) routines
583 */
584void scsi_setup_test_unit_ready(ccb * pccb)
585{
586 pccb->cmd[0]=SCSI_TST_U_RDY;
587 pccb->cmd[1]=pccb->lun<<5;
588 pccb->cmd[2]=0;
589 pccb->cmd[3]=0;
590 pccb->cmd[4]=0;
591 pccb->cmd[5]=0;
592 pccb->cmdlen=6;
593 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
594}
595
e887afc9
WD		 596void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks)
597{
598 pccb->cmd[0]=SCSI_READ10;
599 pccb->cmd[1]=pccb->lun<<5;
600 pccb->cmd[2]=((unsigned char) (start>>24))&0xff;
601 pccb->cmd[3]=((unsigned char) (start>>16))&0xff;
602 pccb->cmd[4]=((unsigned char) (start>>8))&0xff;
603 pccb->cmd[5]=((unsigned char) (start))&0xff;
604 pccb->cmd[6]=0;
605 pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff;
606 pccb->cmd[8]=(unsigned char) blocks & 0xff;
607 pccb->cmd[6]=0;
608 pccb->cmdlen=10;
609 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
1a344f29 610 debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
e887afc9
WD		 611 pccb->cmd[0],pccb->cmd[1],
612 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5],
613 pccb->cmd[7],pccb->cmd[8]);
614}
615
758c9e69
HTL		 616void scsi_setup_write_ext(ccb *pccb, unsigned long start, unsigned short blocks)
617{
618 pccb->cmd[0] = SCSI_WRITE10;
619 pccb->cmd[1] = pccb->lun << 5;
620 pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff;
621 pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff;
622 pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff;
623 pccb->cmd[5] = ((unsigned char) (start)) & 0xff;
624 pccb->cmd[6] = 0;
625 pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff;
626 pccb->cmd[8] = (unsigned char)blocks & 0xff;
627 pccb->cmd[9] = 0;
628 pccb->cmdlen = 10;
629 pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
630 debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
631 __func__,
632 pccb->cmd[0], pccb->cmd[1],
633 pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
634 pccb->cmd[7], pccb->cmd[8]);
635}
636
e887afc9
WD		 637void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks)
638{
639 pccb->cmd[0]=SCSI_READ6;
640 pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f);
641 pccb->cmd[2]=((unsigned char) (start>>8))&0xff;
642 pccb->cmd[3]=((unsigned char) (start))&0xff;
643 pccb->cmd[4]=(unsigned char) blocks & 0xff;
644 pccb->cmd[5]=0;
645 pccb->cmdlen=6;
646 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
1a344f29 647 debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n",
e887afc9
WD		 648 pccb->cmd[0],pccb->cmd[1],
649 pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]);
650}
651
652
653void scsi_setup_inquiry(ccb * pccb)
654{
655 pccb->cmd[0]=SCSI_INQUIRY;
656 pccb->cmd[1]=pccb->lun<<5;
657 pccb->cmd[2]=0;
658 pccb->cmd[3]=0;
659 if(pccb->datalen>255)
660 pccb->cmd[4]=255;
661 else
662 pccb->cmd[4]=(unsigned char)pccb->datalen;
663 pccb->cmd[5]=0;
664 pccb->cmdlen=6;
665 pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
666}
667
460c322f
WD		 668
669U_BOOT_CMD(
670 scsi, 5, 1, do_scsi,
2fb2604d 671 "SCSI sub-system",
460c322f
WD		 672 "reset - reset SCSI controller\n"
673 "scsi info - show available SCSI devices\n"
674 "scsi scan - (re-)scan SCSI bus\n"
675 "scsi device [dev] - show or set current device\n"
676 "scsi part [dev] - print partition table of one or all SCSI devices\n"
677 "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
758c9e69
HTL		 678 " to memory address `addr'\n"
679 "scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
680 " `blk#' from memory address `addr'"
460c322f
WD		 681);
682
683U_BOOT_CMD(
684 scsiboot, 3, 1, do_scsiboot,
2fb2604d 685 "boot from SCSI device",
a89c33db 686 "loadAddr dev:part"
460c322f 687);
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