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Commit | Line | Data |
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e887afc9 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Denis Peter, MPL AG Switzerland | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
e887afc9 WD |
6 | */ |
7 | ||
8 | /* | |
9 | * SCSI support. | |
10 | */ | |
e887afc9 WD |
11 | #include <common.h> |
12 | #include <command.h> | |
e887afc9 WD |
13 | #include <asm/processor.h> |
14 | #include <scsi.h> | |
15 | #include <image.h> | |
e887afc9 WD |
16 | #include <pci.h> |
17 | ||
4ae5eb7c VB |
18 | #ifdef CONFIG_SCSI_DEV_LIST |
19 | #define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST | |
20 | #else | |
e887afc9 WD |
21 | #ifdef CONFIG_SCSI_SYM53C8XX |
22 | #define SCSI_VEND_ID 0x1000 | |
23 | #ifndef CONFIG_SCSI_DEV_ID | |
24 | #define SCSI_DEV_ID 0x0001 | |
25 | #else | |
26 | #define SCSI_DEV_ID CONFIG_SCSI_DEV_ID | |
27 | #endif | |
4782ac80 JZ |
28 | #elif defined CONFIG_SATA_ULI5288 |
29 | ||
30 | #define SCSI_VEND_ID 0x10b9 | |
31 | #define SCSI_DEV_ID 0x5288 | |
32 | ||
942e3143 | 33 | #elif !defined(CONFIG_SCSI_AHCI_PLAT) |
4782ac80 | 34 | #error no scsi device defined |
e887afc9 | 35 | #endif |
4ae5eb7c VB |
36 | #define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID} |
37 | #endif | |
e887afc9 | 38 | |
4ae5eb7c VB |
39 | #ifdef CONFIG_PCI |
40 | const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST }; | |
41 | #endif | |
e887afc9 WD |
42 | static ccb tempccb; /* temporary scsi command buffer */ |
43 | ||
44 | static unsigned char tempbuff[512]; /* temporary data buffer */ | |
45 | ||
46 | static int scsi_max_devs; /* number of highest available scsi device */ | |
47 | ||
48 | static int scsi_curr_dev; /* current device */ | |
49 | ||
6d0f6bcf | 50 | static block_dev_desc_t scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE]; |
e887afc9 WD |
51 | |
52 | /******************************************************************************** | |
53 | * forward declerations of some Setup Routines | |
54 | */ | |
55 | void scsi_setup_test_unit_ready(ccb * pccb); | |
e887afc9 WD |
56 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks); |
57 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks); | |
758c9e69 HTL |
58 | static void scsi_setup_write_ext(ccb *pccb, unsigned long start, |
59 | unsigned short blocks); | |
e887afc9 WD |
60 | void scsi_setup_inquiry(ccb * pccb); |
61 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
62 | ||
63 | ||
b4c5bbce GB |
64 | static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, |
65 | unsigned long *blksz); | |
4f6aa346 SG |
66 | static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt, |
67 | void *buffer); | |
68 | static ulong scsi_write(int device, lbaint_t blknr, | |
758c9e69 | 69 | lbaint_t blkcnt, const void *buffer); |
e887afc9 WD |
70 | |
71 | ||
72 | /********************************************************************************* | |
73 | * (re)-scan the scsi bus and reports scsi device info | |
74 | * to the user if mode = 1 | |
75 | */ | |
76 | void scsi_scan(int mode) | |
77 | { | |
78 | unsigned char i,perq,modi,lun; | |
b4c5bbce GB |
79 | lbaint_t capacity; |
80 | unsigned long blksz; | |
e887afc9 WD |
81 | ccb* pccb=(ccb *)&tempccb; |
82 | ||
83 | if(mode==1) { | |
84 | printf("scanning bus for devices...\n"); | |
85 | } | |
6d0f6bcf | 86 | for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) { |
e887afc9 WD |
87 | scsi_dev_desc[i].target=0xff; |
88 | scsi_dev_desc[i].lun=0xff; | |
89 | scsi_dev_desc[i].lba=0; | |
90 | scsi_dev_desc[i].blksz=0; | |
0472fbfd EE |
91 | scsi_dev_desc[i].log2blksz = |
92 | LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz)); | |
e887afc9 WD |
93 | scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN; |
94 | scsi_dev_desc[i].vendor[0]=0; | |
95 | scsi_dev_desc[i].product[0]=0; | |
96 | scsi_dev_desc[i].revision[0]=0; | |
472d5460 | 97 | scsi_dev_desc[i].removable = false; |
e887afc9 WD |
98 | scsi_dev_desc[i].if_type=IF_TYPE_SCSI; |
99 | scsi_dev_desc[i].dev=i; | |
100 | scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
101 | scsi_dev_desc[i].block_read=scsi_read; | |
758c9e69 | 102 | scsi_dev_desc[i].block_write = scsi_write; |
e887afc9 WD |
103 | } |
104 | scsi_max_devs=0; | |
6d0f6bcf | 105 | for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) { |
e887afc9 | 106 | pccb->target=i; |
6d0f6bcf | 107 | for(lun=0;lun<CONFIG_SYS_SCSI_MAX_LUN;lun++) { |
e887afc9 WD |
108 | pccb->lun=lun; |
109 | pccb->pdata=(unsigned char *)&tempbuff; | |
110 | pccb->datalen=512; | |
111 | scsi_setup_inquiry(pccb); | |
472d5460 | 112 | if (scsi_exec(pccb) != true) { |
e887afc9 | 113 | if(pccb->contr_stat==SCSI_SEL_TIME_OUT) { |
1a344f29 | 114 | debug ("Selection timeout ID %d\n",pccb->target); |
e887afc9 WD |
115 | continue; /* selection timeout => assuming no device present */ |
116 | } | |
117 | scsi_print_error(pccb); | |
118 | continue; | |
119 | } | |
120 | perq=tempbuff[0]; | |
121 | modi=tempbuff[1]; | |
122 | if((perq & 0x1f)==0x1f) { | |
123 | continue; /* skip unknown devices */ | |
124 | } | |
125 | if((modi&0x80)==0x80) /* drive is removable */ | |
472d5460 | 126 | scsi_dev_desc[scsi_max_devs].removable=true; |
e887afc9 | 127 | /* get info for this device */ |
2309c130 SR |
128 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0], |
129 | &tempbuff[8], 8); | |
130 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0], | |
131 | &tempbuff[16], 16); | |
132 | scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0], | |
133 | &tempbuff[32], 4); | |
e887afc9 WD |
134 | scsi_dev_desc[scsi_max_devs].target=pccb->target; |
135 | scsi_dev_desc[scsi_max_devs].lun=pccb->lun; | |
136 | ||
137 | pccb->datalen=0; | |
138 | scsi_setup_test_unit_ready(pccb); | |
472d5460 YS |
139 | if (scsi_exec(pccb) != true) { |
140 | if (scsi_dev_desc[scsi_max_devs].removable == true) { | |
e887afc9 WD |
141 | scsi_dev_desc[scsi_max_devs].type=perq; |
142 | goto removable; | |
143 | } | |
144 | scsi_print_error(pccb); | |
145 | continue; | |
146 | } | |
b4c5bbce | 147 | if (scsi_read_capacity(pccb, &capacity, &blksz)) { |
e887afc9 WD |
148 | scsi_print_error(pccb); |
149 | continue; | |
150 | } | |
e887afc9 WD |
151 | scsi_dev_desc[scsi_max_devs].lba=capacity; |
152 | scsi_dev_desc[scsi_max_devs].blksz=blksz; | |
0472fbfd EE |
153 | scsi_dev_desc[scsi_max_devs].log2blksz = |
154 | LOG2(scsi_dev_desc[scsi_max_devs].blksz); | |
e887afc9 WD |
155 | scsi_dev_desc[scsi_max_devs].type=perq; |
156 | init_part(&scsi_dev_desc[scsi_max_devs]); | |
157 | removable: | |
158 | if(mode==1) { | |
159 | printf (" Device %d: ", scsi_max_devs); | |
160 | dev_print(&scsi_dev_desc[scsi_max_devs]); | |
161 | } /* if mode */ | |
162 | scsi_max_devs++; | |
163 | } /* next LUN */ | |
164 | } | |
165 | if(scsi_max_devs>0) | |
166 | scsi_curr_dev=0; | |
167 | else | |
d0ff51ba | 168 | scsi_curr_dev = -1; |
447c031b SR |
169 | |
170 | printf("Found %d device(s).\n", scsi_max_devs); | |
fff40a7e | 171 | #ifndef CONFIG_SPL_BUILD |
447c031b | 172 | setenv_ulong("scsidevs", scsi_max_devs); |
fff40a7e | 173 | #endif |
447c031b SR |
174 | } |
175 | ||
176 | int scsi_get_disk_count(void) | |
177 | { | |
178 | return scsi_max_devs; | |
e887afc9 WD |
179 | } |
180 | ||
942e3143 | 181 | #ifdef CONFIG_PCI |
e887afc9 WD |
182 | void scsi_init(void) |
183 | { | |
184 | int busdevfunc; | |
4ae5eb7c VB |
185 | int i; |
186 | /* | |
187 | * Find a device from the list, this driver will support a single | |
188 | * controller. | |
189 | */ | |
190 | for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) { | |
191 | /* get PCI Device ID */ | |
192 | busdevfunc = pci_find_device(scsi_device_list[i].vendor, | |
193 | scsi_device_list[i].device, | |
194 | 0); | |
195 | if (busdevfunc != -1) | |
196 | break; | |
197 | } | |
e887afc9 | 198 | |
4ae5eb7c VB |
199 | if (busdevfunc == -1) { |
200 | printf("Error: SCSI Controller(s) "); | |
201 | for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) { | |
202 | printf("%04X:%04X ", | |
203 | scsi_device_list[i].vendor, | |
204 | scsi_device_list[i].device); | |
205 | } | |
206 | printf("not found\n"); | |
e887afc9 WD |
207 | return; |
208 | } | |
209 | #ifdef DEBUG | |
210 | else { | |
4ae5eb7c VB |
211 | printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n", |
212 | scsi_device_list[i].vendor, | |
213 | scsi_device_list[i].device, | |
214 | (busdevfunc >> 16) & 0xFF, | |
215 | (busdevfunc >> 11) & 0x1F, | |
216 | (busdevfunc >> 8) & 0x7); | |
e887afc9 WD |
217 | } |
218 | #endif | |
219 | scsi_low_level_init(busdevfunc); | |
220 | scsi_scan(1); | |
221 | } | |
942e3143 | 222 | #endif |
e887afc9 | 223 | |
df3fc526 | 224 | #ifdef CONFIG_PARTITIONS |
e887afc9 WD |
225 | block_dev_desc_t * scsi_get_dev(int dev) |
226 | { | |
6d0f6bcf | 227 | return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL; |
e887afc9 | 228 | } |
df3fc526 | 229 | #endif |
e887afc9 | 230 | |
e887afc9 WD |
231 | /****************************************************************************** |
232 | * scsi boot command intepreter. Derived from diskboot | |
233 | */ | |
54841ab5 | 234 | int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
e887afc9 | 235 | { |
7405a133 | 236 | return common_diskboot(cmdtp, "scsi", argc, argv); |
e887afc9 WD |
237 | } |
238 | ||
239 | /********************************************************************************* | |
240 | * scsi command intepreter | |
241 | */ | |
54841ab5 | 242 | int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
e887afc9 WD |
243 | { |
244 | switch (argc) { | |
4c12eeb8 SG |
245 | case 0: |
246 | case 1: | |
247 | return CMD_RET_USAGE; | |
47e26b1b | 248 | |
4c12eeb8 | 249 | case 2: |
e887afc9 WD |
250 | if (strncmp(argv[1],"res",3) == 0) { |
251 | printf("\nReset SCSI\n"); | |
252 | scsi_bus_reset(); | |
253 | scsi_scan(1); | |
254 | return 0; | |
255 | } | |
256 | if (strncmp(argv[1],"inf",3) == 0) { | |
257 | int i; | |
6d0f6bcf | 258 | for (i=0; i<CONFIG_SYS_SCSI_MAX_DEVICE; ++i) { |
e887afc9 WD |
259 | if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN) |
260 | continue; /* list only known devices */ | |
261 | printf ("SCSI dev. %d: ", i); | |
262 | dev_print(&scsi_dev_desc[i]); | |
263 | } | |
264 | return 0; | |
265 | } | |
266 | if (strncmp(argv[1],"dev",3) == 0) { | |
6d0f6bcf | 267 | if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) { |
e887afc9 WD |
268 | printf("\nno SCSI devices available\n"); |
269 | return 1; | |
270 | } | |
271 | printf ("\n Device %d: ", scsi_curr_dev); | |
272 | dev_print(&scsi_dev_desc[scsi_curr_dev]); | |
273 | return 0; | |
274 | } | |
275 | if (strncmp(argv[1],"scan",4) == 0) { | |
276 | scsi_scan(1); | |
277 | return 0; | |
278 | } | |
279 | if (strncmp(argv[1],"part",4) == 0) { | |
280 | int dev, ok; | |
6d0f6bcf | 281 | for (ok=0, dev=0; dev<CONFIG_SYS_SCSI_MAX_DEVICE; ++dev) { |
e887afc9 WD |
282 | if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) { |
283 | ok++; | |
284 | if (dev) | |
285 | printf("\n"); | |
1a344f29 | 286 | debug ("print_part of %x\n",dev); |
e887afc9 WD |
287 | print_part(&scsi_dev_desc[dev]); |
288 | } | |
289 | } | |
290 | if (!ok) | |
291 | printf("\nno SCSI devices available\n"); | |
292 | return 1; | |
293 | } | |
4c12eeb8 | 294 | return CMD_RET_USAGE; |
53677ef1 | 295 | case 3: |
e887afc9 WD |
296 | if (strncmp(argv[1],"dev",3) == 0) { |
297 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
298 | printf ("\nSCSI device %d: ", dev); | |
6d0f6bcf | 299 | if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) { |
e887afc9 WD |
300 | printf("unknown device\n"); |
301 | return 1; | |
302 | } | |
303 | printf ("\n Device %d: ", dev); | |
304 | dev_print(&scsi_dev_desc[dev]); | |
305 | if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
306 | return 1; | |
307 | } | |
308 | scsi_curr_dev = dev; | |
309 | printf("... is now current device\n"); | |
310 | return 0; | |
311 | } | |
312 | if (strncmp(argv[1],"part",4) == 0) { | |
313 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
314 | if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) { | |
315 | print_part(&scsi_dev_desc[dev]); | |
316 | } | |
317 | else { | |
318 | printf ("\nSCSI device %d not available\n", dev); | |
319 | } | |
320 | return 1; | |
321 | } | |
4c12eeb8 | 322 | return CMD_RET_USAGE; |
e887afc9 WD |
323 | default: |
324 | /* at least 4 args */ | |
325 | if (strcmp(argv[1],"read") == 0) { | |
326 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
327 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
328 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
329 | ulong n; | |
330 | printf ("\nSCSI read: device %d block # %ld, count %ld ... ", | |
331 | scsi_curr_dev, blk, cnt); | |
332 | n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr); | |
333 | printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR"); | |
334 | return 0; | |
758c9e69 HTL |
335 | } else if (strcmp(argv[1], "write") == 0) { |
336 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
337 | ulong blk = simple_strtoul(argv[3], NULL, 16); | |
338 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
339 | ulong n; | |
340 | printf("\nSCSI write: device %d block # %ld, " | |
341 | "count %ld ... ", | |
342 | scsi_curr_dev, blk, cnt); | |
343 | n = scsi_write(scsi_curr_dev, blk, cnt, | |
344 | (ulong *)addr); | |
345 | printf("%ld blocks written: %s\n", n, | |
346 | (n == cnt) ? "OK" : "ERROR"); | |
347 | return 0; | |
e887afc9 WD |
348 | } |
349 | } /* switch */ | |
4c12eeb8 | 350 | return CMD_RET_USAGE; |
e887afc9 WD |
351 | } |
352 | ||
353 | /**************************************************************************************** | |
354 | * scsi_read | |
355 | */ | |
356 | ||
357 | #define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */ | |
358 | ||
4f6aa346 SG |
359 | static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt, |
360 | void *buffer) | |
e887afc9 | 361 | { |
758c9e69 HTL |
362 | lbaint_t start, blks; |
363 | uintptr_t buf_addr; | |
e887afc9 WD |
364 | unsigned short smallblks; |
365 | ccb* pccb=(ccb *)&tempccb; | |
366 | device&=0xff; | |
367 | /* Setup device | |
368 | */ | |
369 | pccb->target=scsi_dev_desc[device].target; | |
370 | pccb->lun=scsi_dev_desc[device].lun; | |
371 | buf_addr=(unsigned long)buffer; | |
372 | start=blknr; | |
373 | blks=blkcnt; | |
758c9e69 HTL |
374 | debug("\nscsi_read: dev %d startblk " LBAF |
375 | ", blccnt " LBAF " buffer %lx\n", | |
376 | device, start, blks, (unsigned long)buffer); | |
e887afc9 WD |
377 | do { |
378 | pccb->pdata=(unsigned char *)buf_addr; | |
379 | if(blks>SCSI_MAX_READ_BLK) { | |
380 | pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK; | |
381 | smallblks=SCSI_MAX_READ_BLK; | |
382 | scsi_setup_read_ext(pccb,start,smallblks); | |
383 | start+=SCSI_MAX_READ_BLK; | |
384 | blks-=SCSI_MAX_READ_BLK; | |
385 | } | |
386 | else { | |
387 | pccb->datalen=scsi_dev_desc[device].blksz * blks; | |
388 | smallblks=(unsigned short) blks; | |
389 | scsi_setup_read_ext(pccb,start,smallblks); | |
390 | start+=blks; | |
391 | blks=0; | |
392 | } | |
758c9e69 HTL |
393 | debug("scsi_read_ext: startblk " LBAF |
394 | ", blccnt %x buffer %lx\n", | |
395 | start, smallblks, buf_addr); | |
472d5460 | 396 | if (scsi_exec(pccb) != true) { |
e887afc9 WD |
397 | scsi_print_error(pccb); |
398 | blkcnt-=blks; | |
399 | break; | |
400 | } | |
401 | buf_addr+=pccb->datalen; | |
402 | } while(blks!=0); | |
758c9e69 HTL |
403 | debug("scsi_read_ext: end startblk " LBAF |
404 | ", blccnt %x buffer %lx\n", start, smallblks, buf_addr); | |
e887afc9 WD |
405 | return(blkcnt); |
406 | } | |
407 | ||
758c9e69 HTL |
408 | /******************************************************************************* |
409 | * scsi_write | |
410 | */ | |
411 | ||
412 | /* Almost the maximum amount of the scsi_ext command.. */ | |
413 | #define SCSI_MAX_WRITE_BLK 0xFFFF | |
414 | ||
4f6aa346 | 415 | static ulong scsi_write(int device, lbaint_t blknr, |
758c9e69 HTL |
416 | lbaint_t blkcnt, const void *buffer) |
417 | { | |
418 | lbaint_t start, blks; | |
419 | uintptr_t buf_addr; | |
420 | unsigned short smallblks; | |
421 | ccb* pccb = (ccb *)&tempccb; | |
422 | device &= 0xff; | |
423 | /* Setup device | |
424 | */ | |
425 | pccb->target = scsi_dev_desc[device].target; | |
426 | pccb->lun = scsi_dev_desc[device].lun; | |
427 | buf_addr = (unsigned long)buffer; | |
428 | start = blknr; | |
429 | blks = blkcnt; | |
430 | debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n", | |
431 | __func__, device, start, blks, (unsigned long)buffer); | |
432 | do { | |
433 | pccb->pdata = (unsigned char *)buf_addr; | |
434 | if (blks > SCSI_MAX_WRITE_BLK) { | |
435 | pccb->datalen = (scsi_dev_desc[device].blksz * | |
436 | SCSI_MAX_WRITE_BLK); | |
437 | smallblks = SCSI_MAX_WRITE_BLK; | |
438 | scsi_setup_write_ext(pccb, start, smallblks); | |
439 | start += SCSI_MAX_WRITE_BLK; | |
440 | blks -= SCSI_MAX_WRITE_BLK; | |
441 | } else { | |
442 | pccb->datalen = scsi_dev_desc[device].blksz * blks; | |
443 | smallblks = (unsigned short)blks; | |
444 | scsi_setup_write_ext(pccb, start, smallblks); | |
445 | start += blks; | |
446 | blks = 0; | |
447 | } | |
448 | debug("%s: startblk " LBAF ", blccnt %x buffer %lx\n", | |
449 | __func__, start, smallblks, buf_addr); | |
472d5460 | 450 | if (scsi_exec(pccb) != true) { |
758c9e69 HTL |
451 | scsi_print_error(pccb); |
452 | blkcnt -= blks; | |
453 | break; | |
454 | } | |
455 | buf_addr += pccb->datalen; | |
456 | } while (blks != 0); | |
457 | debug("%s: end startblk " LBAF ", blccnt %x buffer %lx\n", | |
458 | __func__, start, smallblks, buf_addr); | |
459 | return blkcnt; | |
460 | } | |
461 | ||
e887afc9 WD |
462 | /* copy src to dest, skipping leading and trailing blanks |
463 | * and null terminate the string | |
464 | */ | |
465 | void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len) | |
466 | { | |
467 | int start,end; | |
468 | ||
469 | start=0; | |
470 | while(start<len) { | |
471 | if(src[start]!=' ') | |
472 | break; | |
473 | start++; | |
474 | } | |
475 | end=len-1; | |
476 | while(end>start) { | |
477 | if(src[end]!=' ') | |
478 | break; | |
479 | end--; | |
480 | } | |
481 | for( ; start<=end; start++) { | |
482 | *dest++=src[start]; | |
483 | } | |
484 | *dest='\0'; | |
485 | } | |
486 | ||
487 | ||
e887afc9 WD |
488 | /* Trim trailing blanks, and NUL-terminate string |
489 | */ | |
490 | void scsi_trim_trail (unsigned char *str, unsigned int len) | |
491 | { | |
492 | unsigned char *p = str + len - 1; | |
493 | ||
494 | while (len-- > 0) { | |
495 | *p-- = '\0'; | |
496 | if (*p != ' ') { | |
497 | return; | |
498 | } | |
499 | } | |
500 | } | |
501 | ||
b4c5bbce GB |
502 | int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz) |
503 | { | |
504 | *capacity = 0; | |
505 | ||
506 | memset(pccb->cmd, 0, sizeof(pccb->cmd)); | |
507 | pccb->cmd[0] = SCSI_RD_CAPAC10; | |
508 | pccb->cmd[1] = pccb->lun << 5; | |
509 | pccb->cmdlen = 10; | |
510 | pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ | |
511 | ||
512 | pccb->datalen = 8; | |
472d5460 | 513 | if (scsi_exec(pccb) != true) |
b4c5bbce GB |
514 | return 1; |
515 | ||
516 | *capacity = ((lbaint_t)pccb->pdata[0] << 24) | | |
517 | ((lbaint_t)pccb->pdata[1] << 16) | | |
518 | ((lbaint_t)pccb->pdata[2] << 8) | | |
519 | ((lbaint_t)pccb->pdata[3]); | |
520 | ||
521 | if (*capacity != 0xffffffff) { | |
522 | /* Read capacity (10) was sufficient for this drive. */ | |
523 | *blksz = ((unsigned long)pccb->pdata[4] << 24) | | |
524 | ((unsigned long)pccb->pdata[5] << 16) | | |
525 | ((unsigned long)pccb->pdata[6] << 8) | | |
526 | ((unsigned long)pccb->pdata[7]); | |
527 | return 0; | |
528 | } | |
529 | ||
530 | /* Read capacity (10) was insufficient. Use read capacity (16). */ | |
531 | ||
532 | memset(pccb->cmd, 0, sizeof(pccb->cmd)); | |
533 | pccb->cmd[0] = SCSI_RD_CAPAC16; | |
534 | pccb->cmd[1] = 0x10; | |
535 | pccb->cmdlen = 16; | |
536 | pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ | |
537 | ||
538 | pccb->datalen = 16; | |
472d5460 | 539 | if (scsi_exec(pccb) != true) |
b4c5bbce GB |
540 | return 1; |
541 | ||
542 | *capacity = ((uint64_t)pccb->pdata[0] << 56) | | |
543 | ((uint64_t)pccb->pdata[1] << 48) | | |
544 | ((uint64_t)pccb->pdata[2] << 40) | | |
545 | ((uint64_t)pccb->pdata[3] << 32) | | |
546 | ((uint64_t)pccb->pdata[4] << 24) | | |
547 | ((uint64_t)pccb->pdata[5] << 16) | | |
548 | ((uint64_t)pccb->pdata[6] << 8) | | |
549 | ((uint64_t)pccb->pdata[7]); | |
550 | ||
551 | *blksz = ((uint64_t)pccb->pdata[8] << 56) | | |
552 | ((uint64_t)pccb->pdata[9] << 48) | | |
553 | ((uint64_t)pccb->pdata[10] << 40) | | |
554 | ((uint64_t)pccb->pdata[11] << 32) | | |
555 | ((uint64_t)pccb->pdata[12] << 24) | | |
556 | ((uint64_t)pccb->pdata[13] << 16) | | |
557 | ((uint64_t)pccb->pdata[14] << 8) | | |
558 | ((uint64_t)pccb->pdata[15]); | |
559 | ||
560 | return 0; | |
561 | } | |
562 | ||
e887afc9 WD |
563 | |
564 | /************************************************************************************ | |
565 | * Some setup (fill-in) routines | |
566 | */ | |
567 | void scsi_setup_test_unit_ready(ccb * pccb) | |
568 | { | |
569 | pccb->cmd[0]=SCSI_TST_U_RDY; | |
570 | pccb->cmd[1]=pccb->lun<<5; | |
571 | pccb->cmd[2]=0; | |
572 | pccb->cmd[3]=0; | |
573 | pccb->cmd[4]=0; | |
574 | pccb->cmd[5]=0; | |
575 | pccb->cmdlen=6; | |
576 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
577 | } | |
578 | ||
e887afc9 WD |
579 | void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks) |
580 | { | |
581 | pccb->cmd[0]=SCSI_READ10; | |
582 | pccb->cmd[1]=pccb->lun<<5; | |
583 | pccb->cmd[2]=((unsigned char) (start>>24))&0xff; | |
584 | pccb->cmd[3]=((unsigned char) (start>>16))&0xff; | |
585 | pccb->cmd[4]=((unsigned char) (start>>8))&0xff; | |
586 | pccb->cmd[5]=((unsigned char) (start))&0xff; | |
587 | pccb->cmd[6]=0; | |
588 | pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff; | |
589 | pccb->cmd[8]=(unsigned char) blocks & 0xff; | |
590 | pccb->cmd[6]=0; | |
591 | pccb->cmdlen=10; | |
592 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
1a344f29 | 593 | debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", |
e887afc9 WD |
594 | pccb->cmd[0],pccb->cmd[1], |
595 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], | |
596 | pccb->cmd[7],pccb->cmd[8]); | |
597 | } | |
598 | ||
758c9e69 HTL |
599 | void scsi_setup_write_ext(ccb *pccb, unsigned long start, unsigned short blocks) |
600 | { | |
601 | pccb->cmd[0] = SCSI_WRITE10; | |
602 | pccb->cmd[1] = pccb->lun << 5; | |
603 | pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff; | |
604 | pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff; | |
605 | pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff; | |
606 | pccb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
607 | pccb->cmd[6] = 0; | |
608 | pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff; | |
609 | pccb->cmd[8] = (unsigned char)blocks & 0xff; | |
610 | pccb->cmd[9] = 0; | |
611 | pccb->cmdlen = 10; | |
612 | pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ | |
613 | debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", | |
614 | __func__, | |
615 | pccb->cmd[0], pccb->cmd[1], | |
616 | pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5], | |
617 | pccb->cmd[7], pccb->cmd[8]); | |
618 | } | |
619 | ||
e887afc9 WD |
620 | void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks) |
621 | { | |
622 | pccb->cmd[0]=SCSI_READ6; | |
623 | pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f); | |
624 | pccb->cmd[2]=((unsigned char) (start>>8))&0xff; | |
625 | pccb->cmd[3]=((unsigned char) (start))&0xff; | |
626 | pccb->cmd[4]=(unsigned char) blocks & 0xff; | |
627 | pccb->cmd[5]=0; | |
628 | pccb->cmdlen=6; | |
629 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
1a344f29 | 630 | debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", |
e887afc9 WD |
631 | pccb->cmd[0],pccb->cmd[1], |
632 | pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]); | |
633 | } | |
634 | ||
635 | ||
636 | void scsi_setup_inquiry(ccb * pccb) | |
637 | { | |
638 | pccb->cmd[0]=SCSI_INQUIRY; | |
639 | pccb->cmd[1]=pccb->lun<<5; | |
640 | pccb->cmd[2]=0; | |
641 | pccb->cmd[3]=0; | |
642 | if(pccb->datalen>255) | |
643 | pccb->cmd[4]=255; | |
644 | else | |
645 | pccb->cmd[4]=(unsigned char)pccb->datalen; | |
646 | pccb->cmd[5]=0; | |
647 | pccb->cmdlen=6; | |
648 | pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ | |
649 | } | |
650 | ||
460c322f WD |
651 | |
652 | U_BOOT_CMD( | |
653 | scsi, 5, 1, do_scsi, | |
2fb2604d | 654 | "SCSI sub-system", |
460c322f WD |
655 | "reset - reset SCSI controller\n" |
656 | "scsi info - show available SCSI devices\n" | |
657 | "scsi scan - (re-)scan SCSI bus\n" | |
658 | "scsi device [dev] - show or set current device\n" | |
659 | "scsi part [dev] - print partition table of one or all SCSI devices\n" | |
660 | "scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" | |
758c9e69 HTL |
661 | " to memory address `addr'\n" |
662 | "scsi write addr blk# cnt - write `cnt' blocks starting at block\n" | |
663 | " `blk#' from memory address `addr'" | |
460c322f WD |
664 | ); |
665 | ||
666 | U_BOOT_CMD( | |
667 | scsiboot, 3, 1, do_scsiboot, | |
2fb2604d | 668 | "boot from SCSI device", |
a89c33db | 669 | "loadAddr dev:part" |
460c322f | 670 | ); |