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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 | ||
fd9bcaa3 | 37 | #if defined(CONFIG_CMD_SCSI) |
e887afc9 WD |
38 | |
39 | #ifdef CONFIG_SCSI_SYM53C8XX | |
40 | #define SCSI_VEND_ID 0x1000 | |
41 | #ifndef CONFIG_SCSI_DEV_ID | |
42 | #define SCSI_DEV_ID 0x0001 | |
43 | #else | |
44 | #define SCSI_DEV_ID CONFIG_SCSI_DEV_ID | |
45 | #endif | |
4782ac80 JZ |
46 | #elif defined CONFIG_SATA_ULI5288 |
47 | ||
48 | #define SCSI_VEND_ID 0x10b9 | |
49 | #define SCSI_DEV_ID 0x5288 | |
50 | ||
e887afc9 | 51 | #else |
4782ac80 | 52 | #error no scsi device defined |
e887afc9 WD |
53 | #endif |
54 | ||
55 | ||
56 | static ccb tempccb; /* temporary scsi command buffer */ | |
57 | ||
58 | static unsigned char tempbuff[512]; /* temporary data buffer */ | |
59 | ||
60 | static int scsi_max_devs; /* number of highest available scsi device */ | |
61 | ||
62 | static int scsi_curr_dev; /* current device */ | |
63 | ||
64 | static block_dev_desc_t scsi_dev_desc[CFG_SCSI_MAX_DEVICE]; | |
65 | ||
66 | /******************************************************************************** | |
67 | * forward declerations of some Setup Routines | |
68 | */ | |
69 | void scsi_setup_test_unit_ready(ccb * pccb); | |
70 | void scsi_setup_read_capacity(ccb * pccb); | |
71 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks); | |
72 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks); | |
73 | void scsi_setup_inquiry(ccb * pccb); | |
74 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
75 | ||
76 | ||
eb867a76 | 77 | ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer); |
e887afc9 WD |
78 | |
79 | ||
80 | /********************************************************************************* | |
81 | * (re)-scan the scsi bus and reports scsi device info | |
82 | * to the user if mode = 1 | |
83 | */ | |
84 | void scsi_scan(int mode) | |
85 | { | |
86 | unsigned char i,perq,modi,lun; | |
87 | unsigned long capacity,blksz; | |
88 | ccb* pccb=(ccb *)&tempccb; | |
89 | ||
90 | if(mode==1) { | |
91 | printf("scanning bus for devices...\n"); | |
92 | } | |
93 | for(i=0;i<CFG_SCSI_MAX_DEVICE;i++) { | |
94 | scsi_dev_desc[i].target=0xff; | |
95 | scsi_dev_desc[i].lun=0xff; | |
96 | scsi_dev_desc[i].lba=0; | |
97 | scsi_dev_desc[i].blksz=0; | |
98 | scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN; | |
99 | scsi_dev_desc[i].vendor[0]=0; | |
100 | scsi_dev_desc[i].product[0]=0; | |
101 | scsi_dev_desc[i].revision[0]=0; | |
102 | scsi_dev_desc[i].removable=FALSE; | |
103 | scsi_dev_desc[i].if_type=IF_TYPE_SCSI; | |
104 | scsi_dev_desc[i].dev=i; | |
105 | scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
106 | scsi_dev_desc[i].block_read=scsi_read; | |
107 | } | |
108 | scsi_max_devs=0; | |
109 | for(i=0;i<CFG_SCSI_MAX_SCSI_ID;i++) { | |
110 | pccb->target=i; | |
111 | for(lun=0;lun<CFG_SCSI_MAX_LUN;lun++) { | |
112 | pccb->lun=lun; | |
113 | pccb->pdata=(unsigned char *)&tempbuff; | |
114 | pccb->datalen=512; | |
115 | scsi_setup_inquiry(pccb); | |
116 | if(scsi_exec(pccb)!=TRUE) { | |
117 | if(pccb->contr_stat==SCSI_SEL_TIME_OUT) { | |
1a344f29 | 118 | debug ("Selection timeout ID %d\n",pccb->target); |
e887afc9 WD |
119 | continue; /* selection timeout => assuming no device present */ |
120 | } | |
121 | scsi_print_error(pccb); | |
122 | continue; | |
123 | } | |
124 | perq=tempbuff[0]; | |
125 | modi=tempbuff[1]; | |
126 | if((perq & 0x1f)==0x1f) { | |
127 | continue; /* skip unknown devices */ | |
128 | } | |
129 | if((modi&0x80)==0x80) /* drive is removable */ | |
130 | scsi_dev_desc[scsi_max_devs].removable=TRUE; | |
131 | /* get info for this device */ | |
2309c130 SR |
132 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0], |
133 | &tempbuff[8], 8); | |
134 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0], | |
135 | &tempbuff[16], 16); | |
136 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0], | |
137 | &tempbuff[32], 4); | |
e887afc9 WD |
138 | scsi_dev_desc[scsi_max_devs].target=pccb->target; |
139 | scsi_dev_desc[scsi_max_devs].lun=pccb->lun; | |
140 | ||
141 | pccb->datalen=0; | |
142 | scsi_setup_test_unit_ready(pccb); | |
143 | if(scsi_exec(pccb)!=TRUE) { | |
144 | if(scsi_dev_desc[scsi_max_devs].removable==TRUE) { | |
145 | scsi_dev_desc[scsi_max_devs].type=perq; | |
146 | goto removable; | |
147 | } | |
148 | scsi_print_error(pccb); | |
149 | continue; | |
150 | } | |
151 | pccb->datalen=8; | |
152 | scsi_setup_read_capacity(pccb); | |
153 | if(scsi_exec(pccb)!=TRUE) { | |
154 | scsi_print_error(pccb); | |
155 | continue; | |
156 | } | |
157 | capacity=((unsigned long)tempbuff[0]<<24)|((unsigned long)tempbuff[1]<<16)| | |
158 | ((unsigned long)tempbuff[2]<<8)|((unsigned long)tempbuff[3]); | |
159 | blksz=((unsigned long)tempbuff[4]<<24)|((unsigned long)tempbuff[5]<<16)| | |
160 | ((unsigned long)tempbuff[6]<<8)|((unsigned long)tempbuff[7]); | |
161 | scsi_dev_desc[scsi_max_devs].lba=capacity; | |
162 | scsi_dev_desc[scsi_max_devs].blksz=blksz; | |
163 | scsi_dev_desc[scsi_max_devs].type=perq; | |
164 | init_part(&scsi_dev_desc[scsi_max_devs]); | |
165 | removable: | |
166 | if(mode==1) { | |
167 | printf (" Device %d: ", scsi_max_devs); | |
168 | dev_print(&scsi_dev_desc[scsi_max_devs]); | |
169 | } /* if mode */ | |
170 | scsi_max_devs++; | |
171 | } /* next LUN */ | |
172 | } | |
173 | if(scsi_max_devs>0) | |
174 | scsi_curr_dev=0; | |
175 | else | |
176 | scsi_curr_dev=-1; | |
177 | } | |
178 | ||
179 | ||
e887afc9 WD |
180 | void scsi_init(void) |
181 | { | |
182 | int busdevfunc; | |
183 | ||
184 | busdevfunc=pci_find_device(SCSI_VEND_ID,SCSI_DEV_ID,0); /* get PCI Device ID */ | |
185 | if(busdevfunc==-1) { | |
186 | printf("Error SCSI Controller (%04X,%04X) not found\n",SCSI_VEND_ID,SCSI_DEV_ID); | |
187 | return; | |
188 | } | |
189 | #ifdef DEBUG | |
190 | else { | |
191 | printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",SCSI_VEND_ID,SCSI_DEV_ID,(busdevfunc>>16)&0xFF,(busdevfunc>>11)&0x1F,(busdevfunc>>8)&0x7); | |
192 | } | |
193 | #endif | |
194 | scsi_low_level_init(busdevfunc); | |
195 | scsi_scan(1); | |
196 | } | |
197 | ||
198 | block_dev_desc_t * scsi_get_dev(int dev) | |
199 | { | |
735dd97b | 200 | return (dev < CFG_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL; |
e887afc9 WD |
201 | } |
202 | ||
203 | ||
e887afc9 WD |
204 | /****************************************************************************** |
205 | * scsi boot command intepreter. Derived from diskboot | |
206 | */ | |
207 | int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
208 | { | |
209 | char *boot_device = NULL; | |
210 | char *ep; | |
211 | int dev, part = 0; | |
1a344f29 | 212 | ulong addr, cnt, checksum; |
e887afc9 WD |
213 | disk_partition_t info; |
214 | image_header_t *hdr; | |
215 | int rcode = 0; | |
216 | ||
217 | switch (argc) { | |
218 | case 1: | |
219 | addr = CFG_LOAD_ADDR; | |
220 | boot_device = getenv ("bootdevice"); | |
221 | break; | |
222 | case 2: | |
223 | addr = simple_strtoul(argv[1], NULL, 16); | |
224 | boot_device = getenv ("bootdevice"); | |
225 | break; | |
226 | case 3: | |
227 | addr = simple_strtoul(argv[1], NULL, 16); | |
228 | boot_device = argv[2]; | |
229 | break; | |
230 | default: | |
231 | printf ("Usage:\n%s\n", cmdtp->usage); | |
232 | return 1; | |
233 | } | |
234 | ||
235 | if (!boot_device) { | |
236 | puts ("\n** No boot device **\n"); | |
237 | return 1; | |
238 | } | |
239 | ||
240 | dev = simple_strtoul(boot_device, &ep, 16); | |
241 | printf("booting from dev %d\n",dev); | |
242 | if (scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
243 | printf ("\n** Device %d not available\n", dev); | |
244 | return 1; | |
245 | } | |
246 | ||
247 | if (*ep) { | |
248 | if (*ep != ':') { | |
249 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
250 | return 1; | |
251 | } | |
252 | part = simple_strtoul(++ep, NULL, 16); | |
253 | } | |
7882751c | 254 | if (get_partition_info (&scsi_dev_desc[dev], part, &info)) { |
e887afc9 WD |
255 | printf("error reading partinfo\n"); |
256 | return 1; | |
257 | } | |
77ddac94 WD |
258 | if ((strncmp((char *)(info.type), BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
259 | (strncmp((char *)(info.type), BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
e887afc9 WD |
260 | printf ("\n** Invalid partition type \"%.32s\"" |
261 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
262 | info.type); | |
263 | return 1; | |
264 | } | |
265 | ||
266 | printf ("\nLoading from SCSI device %d, partition %d: " | |
267 | "Name: %.32s Type: %.32s\n", | |
268 | dev, part, info.name, info.type); | |
269 | ||
1a344f29 | 270 | debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", |
e887afc9 WD |
271 | info.start, info.size, info.blksz); |
272 | ||
273 | if (scsi_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
274 | printf ("** Read error on %d:%d\n", dev, part); | |
275 | return 1; | |
276 | } | |
277 | ||
278 | hdr = (image_header_t *)addr; | |
279 | ||
f8883cb1 | 280 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { |
e887afc9 WD |
281 | printf("\n** Bad Magic Number **\n"); |
282 | return 1; | |
283 | } | |
284 | ||
1a344f29 WD |
285 | checksum = ntohl(hdr->ih_hcrc); |
286 | hdr->ih_hcrc = 0; | |
287 | ||
77ddac94 | 288 | if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) { |
1a344f29 WD |
289 | puts ("\n** Bad Header Checksum **\n"); |
290 | return 1; | |
291 | } | |
2f916943 | 292 | hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */ |
1a344f29 WD |
293 | |
294 | print_image_hdr (hdr); | |
f8883cb1 | 295 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); |
1a344f29 WD |
296 | cnt += info.blksz - 1; |
297 | cnt /= info.blksz; | |
298 | cnt -= 1; | |
299 | ||
e887afc9 WD |
300 | if (scsi_read (dev, info.start+1, cnt, |
301 | (ulong *)(addr+info.blksz)) != cnt) { | |
302 | printf ("** Read error on %d:%d\n", dev, part); | |
303 | return 1; | |
304 | } | |
305 | /* Loading ok, update default load address */ | |
306 | load_addr = addr; | |
307 | ||
308 | flush_cache (addr, (cnt+1)*info.blksz); | |
309 | ||
310 | /* Check if we should attempt an auto-start */ | |
311 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
312 | char *local_args[2]; | |
313 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
314 | local_args[0] = argv[0]; | |
315 | local_args[1] = NULL; | |
316 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
317 | rcode = do_bootm (cmdtp, 0, 1, local_args); | |
318 | } | |
319 | return rcode; | |
320 | } | |
321 | ||
322 | /********************************************************************************* | |
323 | * scsi command intepreter | |
324 | */ | |
325 | int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
326 | { | |
327 | switch (argc) { | |
328 | case 0: | |
329 | case 1: printf ("Usage:\n%s\n", cmdtp->usage); return 1; | |
330 | case 2: | |
331 | if (strncmp(argv[1],"res",3) == 0) { | |
332 | printf("\nReset SCSI\n"); | |
333 | scsi_bus_reset(); | |
334 | scsi_scan(1); | |
335 | return 0; | |
336 | } | |
337 | if (strncmp(argv[1],"inf",3) == 0) { | |
338 | int i; | |
339 | for (i=0; i<CFG_SCSI_MAX_DEVICE; ++i) { | |
340 | if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN) | |
341 | continue; /* list only known devices */ | |
342 | printf ("SCSI dev. %d: ", i); | |
343 | dev_print(&scsi_dev_desc[i]); | |
344 | } | |
345 | return 0; | |
346 | } | |
347 | if (strncmp(argv[1],"dev",3) == 0) { | |
348 | if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CFG_SCSI_MAX_DEVICE)) { | |
349 | printf("\nno SCSI devices available\n"); | |
350 | return 1; | |
351 | } | |
352 | printf ("\n Device %d: ", scsi_curr_dev); | |
353 | dev_print(&scsi_dev_desc[scsi_curr_dev]); | |
354 | return 0; | |
355 | } | |
356 | if (strncmp(argv[1],"scan",4) == 0) { | |
357 | scsi_scan(1); | |
358 | return 0; | |
359 | } | |
360 | if (strncmp(argv[1],"part",4) == 0) { | |
361 | int dev, ok; | |
362 | for (ok=0, dev=0; dev<CFG_SCSI_MAX_DEVICE; ++dev) { | |
363 | if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) { | |
364 | ok++; | |
365 | if (dev) | |
366 | printf("\n"); | |
1a344f29 | 367 | debug ("print_part of %x\n",dev); |
e887afc9 WD |
368 | print_part(&scsi_dev_desc[dev]); |
369 | } | |
370 | } | |
371 | if (!ok) | |
372 | printf("\nno SCSI devices available\n"); | |
373 | return 1; | |
374 | } | |
375 | printf ("Usage:\n%s\n", cmdtp->usage); | |
376 | return 1; | |
377 | case 3: | |
378 | if (strncmp(argv[1],"dev",3) == 0) { | |
379 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
380 | printf ("\nSCSI device %d: ", dev); | |
381 | if (dev >= CFG_SCSI_MAX_DEVICE) { | |
382 | printf("unknown device\n"); | |
383 | return 1; | |
384 | } | |
385 | printf ("\n Device %d: ", dev); | |
386 | dev_print(&scsi_dev_desc[dev]); | |
387 | if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
388 | return 1; | |
389 | } | |
390 | scsi_curr_dev = dev; | |
391 | printf("... is now current device\n"); | |
392 | return 0; | |
393 | } | |
394 | if (strncmp(argv[1],"part",4) == 0) { | |
395 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
396 | if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) { | |
397 | print_part(&scsi_dev_desc[dev]); | |
398 | } | |
399 | else { | |
400 | printf ("\nSCSI device %d not available\n", dev); | |
401 | } | |
402 | return 1; | |
403 | } | |
404 | printf ("Usage:\n%s\n", cmdtp->usage); | |
405 | return 1; | |
406 | default: | |
407 | /* at least 4 args */ | |
408 | if (strcmp(argv[1],"read") == 0) { | |
409 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
410 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
411 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
412 | ulong n; | |
413 | printf ("\nSCSI read: device %d block # %ld, count %ld ... ", | |
414 | scsi_curr_dev, blk, cnt); | |
415 | n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr); | |
416 | printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR"); | |
417 | return 0; | |
418 | } | |
419 | } /* switch */ | |
420 | printf ("Usage:\n%s\n", cmdtp->usage); | |
421 | return 1; | |
422 | } | |
423 | ||
424 | /**************************************************************************************** | |
425 | * scsi_read | |
426 | */ | |
427 | ||
428 | #define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */ | |
429 | ||
eb867a76 | 430 | ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer) |
e887afc9 WD |
431 | { |
432 | ulong start,blks, buf_addr; | |
433 | unsigned short smallblks; | |
434 | ccb* pccb=(ccb *)&tempccb; | |
435 | device&=0xff; | |
436 | /* Setup device | |
437 | */ | |
438 | pccb->target=scsi_dev_desc[device].target; | |
439 | pccb->lun=scsi_dev_desc[device].lun; | |
440 | buf_addr=(unsigned long)buffer; | |
441 | start=blknr; | |
442 | blks=blkcnt; | |
1a344f29 | 443 | debug ("\nscsi_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks,(unsigned long)buffer); |
e887afc9 WD |
444 | do { |
445 | pccb->pdata=(unsigned char *)buf_addr; | |
446 | if(blks>SCSI_MAX_READ_BLK) { | |
447 | pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK; | |
448 | smallblks=SCSI_MAX_READ_BLK; | |
449 | scsi_setup_read_ext(pccb,start,smallblks); | |
450 | start+=SCSI_MAX_READ_BLK; | |
451 | blks-=SCSI_MAX_READ_BLK; | |
452 | } | |
453 | else { | |
454 | pccb->datalen=scsi_dev_desc[device].blksz * blks; | |
455 | smallblks=(unsigned short) blks; | |
456 | scsi_setup_read_ext(pccb,start,smallblks); | |
457 | start+=blks; | |
458 | blks=0; | |
459 | } | |
1a344f29 | 460 | debug ("scsi_read_ext: startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); |
e887afc9 WD |
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); | |
1a344f29 | 468 | debug ("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); |
e887afc9 WD |
469 | return(blkcnt); |
470 | } | |
471 | ||
472 | /* copy src to dest, skipping leading and trailing blanks | |
473 | * and null terminate the string | |
474 | */ | |
475 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) | |
476 | { | |
477 | int start,end; | |
478 | ||
479 | start=0; | |
480 | while(start<len) { | |
481 | if(src[start]!=' ') | |
482 | break; | |
483 | start++; | |
484 | } | |
485 | end=len-1; | |
486 | while(end>start) { | |
487 | if(src[end]!=' ') | |
488 | break; | |
489 | end--; | |
490 | } | |
491 | for( ; start<=end; start++) { | |
492 | *dest++=src[start]; | |
493 | } | |
494 | *dest='\0'; | |
495 | } | |
496 | ||
497 | ||
e887afc9 WD |
498 | /* Trim trailing blanks, and NUL-terminate string |
499 | */ | |
500 | void scsi_trim_trail (unsigned char *str, unsigned int len) | |
501 | { | |
502 | unsigned char *p = str + len - 1; | |
503 | ||
504 | while (len-- > 0) { | |
505 | *p-- = '\0'; | |
506 | if (*p != ' ') { | |
507 | return; | |
508 | } | |
509 | } | |
510 | } | |
511 | ||
512 | ||
513 | /************************************************************************************ | |
514 | * Some setup (fill-in) routines | |
515 | */ | |
516 | void scsi_setup_test_unit_ready(ccb * pccb) | |
517 | { | |
518 | pccb->cmd[0]=SCSI_TST_U_RDY; | |
519 | pccb->cmd[1]=pccb->lun<<5; | |
520 | pccb->cmd[2]=0; | |
521 | pccb->cmd[3]=0; | |
522 | pccb->cmd[4]=0; | |
523 | pccb->cmd[5]=0; | |
524 | pccb->cmdlen=6; | |
525 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
526 | } | |
527 | ||
528 | void scsi_setup_read_capacity(ccb * pccb) | |
529 | { | |
530 | pccb->cmd[0]=SCSI_RD_CAPAC; | |
531 | pccb->cmd[1]=pccb->lun<<5; | |
532 | pccb->cmd[2]=0; | |
533 | pccb->cmd[3]=0; | |
534 | pccb->cmd[4]=0; | |
535 | pccb->cmd[5]=0; | |
536 | pccb->cmd[6]=0; | |
537 | pccb->cmd[7]=0; | |
538 | pccb->cmd[8]=0; | |
539 | pccb->cmd[9]=0; | |
540 | pccb->cmdlen=10; | |
541 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
542 | ||
543 | } | |
544 | ||
545 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks) | |
546 | { | |
547 | pccb->cmd[0]=SCSI_READ10; | |
548 | pccb->cmd[1]=pccb->lun<<5; | |
549 | pccb->cmd[2]=((unsigned char) (start>>24))&0xff; | |
550 | pccb->cmd[3]=((unsigned char) (start>>16))&0xff; | |
551 | pccb->cmd[4]=((unsigned char) (start>>8))&0xff; | |
552 | pccb->cmd[5]=((unsigned char) (start))&0xff; | |
553 | pccb->cmd[6]=0; | |
554 | pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff; | |
555 | pccb->cmd[8]=(unsigned char) blocks & 0xff; | |
556 | pccb->cmd[6]=0; | |
557 | pccb->cmdlen=10; | |
558 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
1a344f29 | 559 | debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", |
e887afc9 WD |
560 | pccb->cmd[0],pccb->cmd[1], |
561 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], | |
562 | pccb->cmd[7],pccb->cmd[8]); | |
563 | } | |
564 | ||
565 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks) | |
566 | { | |
567 | pccb->cmd[0]=SCSI_READ6; | |
568 | pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f); | |
569 | pccb->cmd[2]=((unsigned char) (start>>8))&0xff; | |
570 | pccb->cmd[3]=((unsigned char) (start))&0xff; | |
571 | pccb->cmd[4]=(unsigned char) blocks & 0xff; | |
572 | pccb->cmd[5]=0; | |
573 | pccb->cmdlen=6; | |
574 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
1a344f29 | 575 | debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", |
e887afc9 WD |
576 | pccb->cmd[0],pccb->cmd[1], |
577 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]); | |
578 | } | |
579 | ||
580 | ||
581 | void scsi_setup_inquiry(ccb * pccb) | |
582 | { | |
583 | pccb->cmd[0]=SCSI_INQUIRY; | |
584 | pccb->cmd[1]=pccb->lun<<5; | |
585 | pccb->cmd[2]=0; | |
586 | pccb->cmd[3]=0; | |
587 | if(pccb->datalen>255) | |
588 | pccb->cmd[4]=255; | |
589 | else | |
590 | pccb->cmd[4]=(unsigned char)pccb->datalen; | |
591 | pccb->cmd[5]=0; | |
592 | pccb->cmdlen=6; | |
593 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
594 | } | |
595 | ||
460c322f WD |
596 | |
597 | U_BOOT_CMD( | |
598 | scsi, 5, 1, do_scsi, | |
599 | "scsi - SCSI sub-system\n", | |
600 | "reset - reset SCSI controller\n" | |
601 | "scsi info - show available SCSI devices\n" | |
602 | "scsi scan - (re-)scan SCSI bus\n" | |
603 | "scsi device [dev] - show or set current device\n" | |
604 | "scsi part [dev] - print partition table of one or all SCSI devices\n" | |
605 | "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" | |
606 | " to memory address `addr'\n" | |
607 | ); | |
608 | ||
609 | U_BOOT_CMD( | |
610 | scsiboot, 3, 1, do_scsiboot, | |
611 | "scsiboot- boot from SCSI device\n", | |
612 | "loadAddr dev:part\n" | |
613 | ); | |
614 | ||
fd9bcaa3 | 615 | #endif |