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[openocd/genbsdl.git] / src / flash / nor / tcl.c
blobb7e80df25d9802b0e93f44cec079208172744728
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> *
3 * Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> *
4 * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
5 * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
6 * *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the *
19 * Free Software Foundation, Inc., *
20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
21 ***************************************************************************/
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25 #include "imp.h"
26 #include <helper/time_support.h>
27 #include <target/image.h>
28
29 /**
30 * @file
31 * Implements Tcl commands used to access NOR flash facilities.
32 */
33
34 COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
35 struct flash_bank **bank)
36 {
37 const char *name = CMD_ARGV[name_index];
38 *bank = get_flash_bank_by_name(name);
39 if (*bank)
40 return ERROR_OK;
41
42 unsigned bank_num;
43 COMMAND_PARSE_NUMBER(uint, name, bank_num);
44
45 *bank = get_flash_bank_by_num(bank_num);
46 if (!*bank)
47 {
48 command_print(CMD_CTX, "flash bank '%s' not found", name);
49 return ERROR_INVALID_ARGUMENTS;
50 }
51 return ERROR_OK;
52 }
53
54
55 COMMAND_HANDLER(handle_flash_info_command)
56 {
57 struct flash_bank *p;
58 uint32_t i = 0;
59 int j = 0;
60 int retval;
61
62 if (CMD_ARGC != 1)
63 return ERROR_COMMAND_SYNTAX_ERROR;
64
65 unsigned bank_nr;
66 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
67
68 for (p = flash_bank_list(); p; p = p->next, i++)
69 {
70 if (i != bank_nr)
71 continue;
72
73 char buf[1024];
74
75 /* attempt auto probe */
76 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
77 return retval;
78
79 command_print(CMD_CTX,
80 "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
81 i,
82 p->driver->name,
83 p->base,
84 p->size,
85 p->bus_width,
86 p->chip_width);
87 for (j = 0; j < p->num_sectors; j++)
88 {
89 char *protect_state;
90
91 if (p->sectors[j].is_protected == 0)
92 protect_state = "not protected";
93 else if (p->sectors[j].is_protected == 1)
94 protect_state = "protected";
95 else
96 protect_state = "protection state unknown";
97
98 command_print(CMD_CTX,
99 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
100 j,
101 p->sectors[j].offset,
102 p->sectors[j].size,
103 p->sectors[j].size >> 10,
104 protect_state);
105 }
106
107 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
108 retval = p->driver->info(p, buf, sizeof(buf));
109 command_print(CMD_CTX, "%s", buf);
110 if (retval != ERROR_OK)
111 LOG_ERROR("error retrieving flash info (%d)", retval);
112 }
113
114 return ERROR_OK;
115 }
116
117 COMMAND_HANDLER(handle_flash_probe_command)
118 {
119 int retval;
120
121 if (CMD_ARGC != 1)
122 {
123 return ERROR_COMMAND_SYNTAX_ERROR;
124 }
125
126 unsigned bank_nr;
127 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
128 struct flash_bank *p = get_flash_bank_by_num_noprobe(bank_nr);
129 if (p)
130 {
131 if ((retval = p->driver->probe(p)) == ERROR_OK)
132 {
133 command_print(CMD_CTX, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
134 }
135 else if (retval == ERROR_FLASH_BANK_INVALID)
136 {
137 command_print(CMD_CTX, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
138 CMD_ARGV[0], p->base);
139 }
140 else
141 {
142 command_print(CMD_CTX, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
143 CMD_ARGV[0], p->base);
144 }
145 }
146 else
147 {
148 command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
149 }
150
151 return ERROR_OK;
152 }
153
154 COMMAND_HANDLER(handle_flash_erase_check_command)
155 {
156 if (CMD_ARGC != 1)
157 {
158 return ERROR_COMMAND_SYNTAX_ERROR;
159 }
160
161 struct flash_bank *p;
162 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
163 if (ERROR_OK != retval)
164 return retval;
165
166 int j;
167 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
168 {
169 command_print(CMD_CTX, "successfully checked erase state");
170 }
171 else
172 {
173 command_print(CMD_CTX, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
174 CMD_ARGV[0], p->base);
175 }
176
177 for (j = 0; j < p->num_sectors; j++)
178 {
179 char *erase_state;
180
181 if (p->sectors[j].is_erased == 0)
182 erase_state = "not erased";
183 else if (p->sectors[j].is_erased == 1)
184 erase_state = "erased";
185 else
186 erase_state = "erase state unknown";
187
188 command_print(CMD_CTX,
189 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
190 j,
191 p->sectors[j].offset,
192 p->sectors[j].size,
193 p->sectors[j].size >> 10,
194 erase_state);
195 }
196
197 return ERROR_OK;
198 }
199
200 COMMAND_HANDLER(handle_flash_erase_address_command)
201 {
202 struct flash_bank *p;
203 int retval;
204 int address;
205 int length;
206
207 struct target *target = get_current_target(CMD_CTX);
208
209 if (CMD_ARGC != 2)
210 return ERROR_COMMAND_SYNTAX_ERROR;
211
212 COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], address);
213 COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], length);
214 if (length <= 0)
215 {
216 command_print(CMD_CTX, "Length must be >0");
217 return ERROR_COMMAND_SYNTAX_ERROR;
218 }
219
220 p = get_flash_bank_by_addr(target, address);
221 if (p == NULL)
222 {
223 return ERROR_FAIL;
224 }
225
226 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
227 flash_set_dirty();
228
229 struct duration bench;
230 duration_start(&bench);
231
232 retval = flash_erase_address_range(target, address, length);
233
234 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
235 {
236 command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
237 " in %fs (%0.3f kb/s)", address, length,
238 duration_elapsed(&bench), duration_kbps(&bench, length));
239 }
240
241 return retval;
242 }
243
244 COMMAND_HANDLER(handle_flash_protect_check_command)
245 {
246 if (CMD_ARGC != 1)
247 return ERROR_COMMAND_SYNTAX_ERROR;
248
249 struct flash_bank *p;
250 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
251 if (ERROR_OK != retval)
252 return retval;
253
254 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
255 {
256 command_print(CMD_CTX, "successfully checked protect state");
257 }
258 else if (retval == ERROR_FLASH_OPERATION_FAILED)
259 {
260 command_print(CMD_CTX, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
261 }
262 else
263 {
264 command_print(CMD_CTX, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
265 }
266
267 return ERROR_OK;
268 }
269
270 static int flash_check_sector_parameters(struct command_context *cmd_ctx,
271 uint32_t first, uint32_t last, uint32_t num_sectors)
272 {
273 if (!(first <= last)) {
274 command_print(cmd_ctx, "ERROR: "
275 "first sector must be <= last sector");
276 return ERROR_FAIL;
277 }
278
279 if (!(last <= (num_sectors - 1))) {
280 command_print(cmd_ctx, "ERROR: last sector must be <= %d",
281 (int) num_sectors - 1);
282 return ERROR_FAIL;
283 }
284
285 return ERROR_OK;
286 }
287
288 COMMAND_HANDLER(handle_flash_erase_command)
289 {
290 if (CMD_ARGC != 3)
291 return ERROR_COMMAND_SYNTAX_ERROR;
292
293 uint32_t bank_nr;
294 uint32_t first;
295 uint32_t last;
296
297 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
298 struct flash_bank *p = get_flash_bank_by_num(bank_nr);
299 if (!p)
300 return ERROR_OK;
301
302 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
303 if (strcmp(CMD_ARGV[2], "last") == 0)
304 last = p->num_sectors - 1;
305 else
306 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
307
308 int retval;
309 if ((retval = flash_check_sector_parameters(CMD_CTX,
310 first, last, p->num_sectors)) != ERROR_OK)
311 return retval;
312
313 struct duration bench;
314 duration_start(&bench);
315
316 retval = flash_driver_erase(p, first, last);
317
318 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
319 {
320 command_print(CMD_CTX, "erased sectors %" PRIu32 " "
321 "through %" PRIu32" on flash bank %" PRIu32 " "
322 "in %fs", first, last, bank_nr, duration_elapsed(&bench));
323 }
324
325 return ERROR_OK;
326 }
327
328 COMMAND_HANDLER(handle_flash_protect_command)
329 {
330 if (CMD_ARGC != 4)
331 return ERROR_COMMAND_SYNTAX_ERROR;
332
333 uint32_t bank_nr;
334 uint32_t first;
335 uint32_t last;
336
337 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
338 struct flash_bank *p = get_flash_bank_by_num(bank_nr);
339 if (!p)
340 return ERROR_OK;
341
342 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
343 if (strcmp(CMD_ARGV[2], "last") == 0)
344 last = p->num_sectors - 1;
345 else
346 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
347
348 bool set;
349 COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
350
351 int retval;
352 if ((retval = flash_check_sector_parameters(CMD_CTX,
353 first, last, p->num_sectors)) != ERROR_OK)
354 return retval;
355
356 retval = flash_driver_protect(p, set, first, last);
357 if (retval == ERROR_OK) {
358 command_print(CMD_CTX, "%s protection for sectors %i "
359 "through %i on flash bank %i",
360 (set) ? "set" : "cleared", (int) first,
361 (int) last, (int) bank_nr);
362 }
363
364 return ERROR_OK;
365 }
366
367 COMMAND_HANDLER(handle_flash_write_image_command)
368 {
369 struct target *target = get_current_target(CMD_CTX);
370
371 struct image image;
372 uint32_t written;
373
374 int retval;
375
376 if (CMD_ARGC < 1)
377 {
378 return ERROR_COMMAND_SYNTAX_ERROR;
379 }
380
381 /* flash auto-erase is disabled by default*/
382 int auto_erase = 0;
383 bool auto_unlock = false;
384
385 for (;;)
386 {
387 if (strcmp(CMD_ARGV[0], "erase") == 0)
388 {
389 auto_erase = 1;
390 CMD_ARGV++;
391 CMD_ARGC--;
392 command_print(CMD_CTX, "auto erase enabled");
393 } else if (strcmp(CMD_ARGV[0], "unlock") == 0)
394 {
395 auto_unlock = true;
396 CMD_ARGV++;
397 CMD_ARGC--;
398 command_print(CMD_CTX, "auto unlock enabled");
399 } else
400 {
401 break;
402 }
403 }
404
405 if (CMD_ARGC < 1)
406 {
407 return ERROR_COMMAND_SYNTAX_ERROR;
408 }
409
410 if (!target)
411 {
412 LOG_ERROR("no target selected");
413 return ERROR_FAIL;
414 }
415
416 struct duration bench;
417 duration_start(&bench);
418
419 if (CMD_ARGC >= 2)
420 {
421 image.base_address_set = 1;
422 COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], image.base_address);
423 }
424 else
425 {
426 image.base_address_set = 0;
427 image.base_address = 0x0;
428 }
429
430 image.start_address_set = 0;
431
432 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
433 if (retval != ERROR_OK)
434 {
435 return retval;
436 }
437
438 retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
439 if (retval != ERROR_OK)
440 {
441 image_close(&image);
442 return retval;
443 }
444
445 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
446 {
447 command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
448 "in %fs (%0.3f kb/s)", written, CMD_ARGV[0],
449 duration_elapsed(&bench), duration_kbps(&bench, written));
450 }
451
452 image_close(&image);
453
454 return retval;
455 }
456
457 COMMAND_HANDLER(handle_flash_fill_command)
458 {
459 int err = ERROR_OK;
460 uint32_t address;
461 uint32_t pattern;
462 uint32_t count;
463 uint32_t wrote = 0;
464 uint32_t cur_size = 0;
465 uint32_t chunk_count;
466 struct target *target = get_current_target(CMD_CTX);
467 uint32_t i;
468 uint32_t wordsize;
469 int retval = ERROR_OK;
470
471 static size_t const chunksize = 1024;
472 uint8_t *chunk = malloc(chunksize);
473 if (chunk == NULL)
474 return ERROR_FAIL;
475
476 uint8_t *readback = malloc(chunksize);
477 if (readback == NULL)
478 {
479 free(chunk);
480 return ERROR_FAIL;
481 }
482
483
484 if (CMD_ARGC != 3)
485 {
486 retval = ERROR_COMMAND_SYNTAX_ERROR;
487 goto done;
488 }
489
490
491 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
492 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
493 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
494
495 if (count == 0)
496 goto done;
497
498 switch (CMD_NAME[4])
499 {
500 case 'w':
501 wordsize = 4;
502 break;
503 case 'h':
504 wordsize = 2;
505 break;
506 case 'b':
507 wordsize = 1;
508 break;
509 default:
510 retval = ERROR_COMMAND_SYNTAX_ERROR;
511 goto done;
512 }
513
514 chunk_count = MIN(count, (chunksize / wordsize));
515 switch (wordsize)
516 {
517 case 4:
518 for (i = 0; i < chunk_count; i++)
519 {
520 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
521 }
522 break;
523 case 2:
524 for (i = 0; i < chunk_count; i++)
525 {
526 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
527 }
528 break;
529 case 1:
530 memset(chunk, pattern, chunk_count);
531 break;
532 default:
533 LOG_ERROR("BUG: can't happen");
534 exit(-1);
535 }
536
537 struct duration bench;
538 duration_start(&bench);
539
540 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
541 {
542 struct flash_bank *bank;
543
544 bank = get_flash_bank_by_addr(target, address);
545 if (bank == NULL)
546 {
547 retval = ERROR_FAIL;
548 goto done;
549 }
550
551 cur_size = MIN((count * wordsize - wrote), chunksize);
552 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
553 if (err != ERROR_OK)
554 {
555 retval = err;
556 goto done;
557 }
558
559 err = target_read_buffer(target, address + wrote, cur_size, readback);
560 if (err != ERROR_OK)
561 {
562 retval = err;
563 goto done;
564 }
565
566 unsigned i;
567 for (i = 0; i < cur_size; i++)
568 {
569 if (readback[i]!=chunk[i])
570 {
571 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
572 address + wrote + i, readback[i], chunk[i]);
573 retval = ERROR_FAIL;
574 goto done;
575 }
576 }
577 }
578
579 if (duration_measure(&bench) == ERROR_OK)
580 {
581 command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
582 " in %fs (%0.3f kb/s)", wrote, address,
583 duration_elapsed(&bench), duration_kbps(&bench, wrote));
584 }
585
586 done:
587 free(readback);
588 free(chunk);
589
590 return retval;
591 }
592
593 COMMAND_HANDLER(handle_flash_write_bank_command)
594 {
595 uint32_t offset;
596 uint8_t *buffer;
597 struct fileio fileio;
598
599 if (CMD_ARGC != 3)
600 return ERROR_COMMAND_SYNTAX_ERROR;
601
602 struct duration bench;
603 duration_start(&bench);
604
605 struct flash_bank *p;
606 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
607 if (ERROR_OK != retval)
608 return retval;
609
610 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
611
612 if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
613 {
614 return ERROR_OK;
615 }
616
617 buffer = malloc(fileio.size);
618 size_t buf_cnt;
619 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
620 {
621 free(buffer);
622 fileio_close(&fileio);
623 return ERROR_OK;
624 }
625
626 retval = flash_driver_write(p, buffer, offset, buf_cnt);
627
628 free(buffer);
629 buffer = NULL;
630
631 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
632 {
633 command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
634 " at offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
635 (long)fileio.size, CMD_ARGV[1], p->bank_number, offset,
636 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
637 }
638
639 fileio_close(&fileio);
640
641 return retval;
642 }
643
644 void flash_set_dirty(void)
645 {
646 struct flash_bank *c;
647 int i;
648
649 /* set all flash to require erasing */
650 for (c = flash_bank_list(); c; c = c->next)
651 {
652 for (i = 0; i < c->num_sectors; i++)
653 {
654 c->sectors[i].is_erased = 0;
655 }
656 }
657 }
658
659 static const struct command_registration flash_exec_command_handlers[] = {
660 {
661 .name = "probe",
662 .handler = handle_flash_probe_command,
663 .mode = COMMAND_EXEC,
664 .usage = "bank_id",
665 .help = "Identify a flash bank.",
666 },
667 {
668 .name = "info",
669 .handler = handle_flash_info_command,
670 .mode = COMMAND_EXEC,
671 .usage = "bank_id",
672 .help = "Print information about a flash bank.",
673 },
674 {
675 .name = "erase_check",
676 .handler = handle_flash_erase_check_command,
677 .mode = COMMAND_EXEC,
678 .usage = "bank_id",
679 .help = "Check erase state of all blocks in a "
680 "flash bank.",
681 },
682 {
683 .name = "protect_check",
684 .handler = handle_flash_protect_check_command,
685 .mode = COMMAND_EXEC,
686 .usage = "bank_id",
687 .help = "Check protection state of all blocks in a "
688 "flash bank.",
689 },
690 {
691 .name = "erase_sector",
692 .handler = handle_flash_erase_command,
693 .mode = COMMAND_EXEC,
694 .usage = "bank_id first_sector_num last_sector_num",
695 .help = "Erase a range of sectors in a flash bank.",
696 },
697 {
698 .name = "erase_address",
699 .handler = handle_flash_erase_address_command,
700 .mode = COMMAND_EXEC,
701 .usage = "address length",
702 .help = "Erase flash blocks starting at address "
703 "and continuing for length bytes.",
704 },
705 {
706 .name = "fillw",
707 .handler = handle_flash_fill_command,
708 .mode = COMMAND_EXEC,
709 .usage = "address value n",
710 .help = "Fill n words with 32-bit value, starting at "
711 "word address. (No autoerase.)",
712 },
713 {
714 .name = "fillh",
715 .handler = handle_flash_fill_command,
716 .mode = COMMAND_EXEC,
717 .usage = "address value n",
718 .help = "Fill n halfwords with 16-bit value, starting at "
719 "word address. (No autoerase.)",
720 },
721 {
722 .name = "fillb",
723 .handler = handle_flash_fill_command,
724 .mode = COMMAND_EXEC,
725 .usage = "address value n",
726 .help = "Fill n bytes with 8-bit value, starting at "
727 "word address. (No autoerase.)",
728 },
729 {
730 .name = "write_bank",
731 .handler = handle_flash_write_bank_command,
732 .mode = COMMAND_EXEC,
733 .usage = "bank_id filename offset",
734 .help = "Write binary data from file to flash bank, "
735 "starting at specified byte offset from the "
736 "beginning of the bank.",
737 },
738 {
739 .name = "write_image",
740 .handler = handle_flash_write_image_command,
741 .mode = COMMAND_EXEC,
742 .usage = "[erase] [unlock] filename [offset [file_type]]",
743 .help = "Write an image to flash. Optionally first unprotect "
744 "and/or erase the region to be used. Allow optional "
745 "offset from beginning of bank (defaults to zero)",
746 },
747 {
748 .name = "protect",
749 .handler = handle_flash_protect_command,
750 .mode = COMMAND_EXEC,
751 .usage = "bank_id first_sector [last_sector|'last'] "
752 "('on'|'off')",
753 .help = "Turn protection on or off for a range of sectors "
754 "in a given flash bank.",
755 },
756 COMMAND_REGISTRATION_DONE
757 };
758
759 int flash_init_drivers(struct command_context *cmd_ctx)
760 {
761 if (!flash_bank_list())
762 return ERROR_OK;
763
764 struct command *parent = command_find_in_context(cmd_ctx, "flash");
765 return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
766 }
767
768
769 COMMAND_HANDLER(handle_flash_bank_command)
770 {
771 if (CMD_ARGC < 7)
772 {
773 LOG_ERROR("usage: flash bank <name> <driver> "
774 "<base> <size> <chip_width> <bus_width>");
775 return ERROR_COMMAND_SYNTAX_ERROR;
776 }
777 // save bank name and advance arguments for compatibility
778 const char *bank_name = *CMD_ARGV++;
779 CMD_ARGC--;
780
781 struct target *target;
782 if ((target = get_target(CMD_ARGV[5])) == NULL)
783 {
784 LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
785 return ERROR_FAIL;
786 }
787
788 const char *driver_name = CMD_ARGV[0];
789 struct flash_driver *driver = flash_driver_find_by_name(driver_name);
790 if (NULL == driver)
791 {
792 /* no matching flash driver found */
793 LOG_ERROR("flash driver '%s' not found", driver_name);
794 return ERROR_FAIL;
795 }
796
797 /* register flash specific commands */
798 if (NULL != driver->commands)
799 {
800 int retval = register_commands(CMD_CTX, NULL,
801 driver->commands);
802 if (ERROR_OK != retval)
803 {
804 LOG_ERROR("couldn't register '%s' commands",
805 driver_name);
806 return ERROR_FAIL;
807 }
808 }
809
810 struct flash_bank *c = malloc(sizeof(*c));
811 c->name = strdup(bank_name);
812 c->target = target;
813 c->driver = driver;
814 c->driver_priv = NULL;
815 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
816 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
817 COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
818 COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
819 c->num_sectors = 0;
820 c->sectors = NULL;
821 c->next = NULL;
822
823 int retval;
824 retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
825 if (ERROR_OK != retval)
826 {
827 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
828 driver_name, c->base);
829 free(c);
830 return retval;
831 }
832
833 flash_bank_add(c);
834
835 return ERROR_OK;
836 }
837
838 COMMAND_HANDLER(handle_flash_banks_command)
839 {
840 if (CMD_ARGC != 0)
841 return ERROR_INVALID_ARGUMENTS;
842
843 unsigned n = 0;
844 for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++)
845 {
846 LOG_USER("#%u: %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
847 "buswidth %u, chipwidth %u", n,
848 p->driver->name, p->base, p->size,
849 p->bus_width, p->chip_width);
850 }
851 return ERROR_OK;
852 }
853
854 static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
855 {
856 if (argc != 1)
857 {
858 Jim_WrongNumArgs(interp, 1, argv,
859 "no arguments to 'flash list' command");
860 return JIM_ERR;
861 }
862
863 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
864
865 for (struct flash_bank *p = flash_bank_list(); p; p = p->next)
866 {
867 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
868
869 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
870 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
871 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
872 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
873 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
874 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
875 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
876 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
877 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
878 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
879
880 Jim_ListAppendElement(interp, list, elem);
881 }
882
883 Jim_SetResult(interp, list);
884
885 return JIM_OK;
886 }
887
888
889 COMMAND_HANDLER(handle_flash_init_command)
890 {
891 if (CMD_ARGC != 0)
892 return ERROR_COMMAND_SYNTAX_ERROR;
893
894 static bool flash_initialized = false;
895 if (flash_initialized)
896 {
897 LOG_INFO("'flash init' has already been called");
898 return ERROR_OK;
899 }
900 flash_initialized = true;
901
902 LOG_DEBUG("Initializing flash devices...");
903 return flash_init_drivers(CMD_CTX);
904 }
905
906 static const struct command_registration flash_config_command_handlers[] = {
907 {
908 .name = "bank",
909 .handler = &handle_flash_bank_command,
910 .mode = COMMAND_CONFIG,
911 .usage = "bank_id driver_name base_address size_bytes "
912 "chip_width_bytes bus_width_bytes target "
913 "[driver_options ...]",
914 .help = "Define a new bank with the given name, "
915 "using the specified NOR flash driver.",
916 },
917 {
918 .name = "init",
919 .mode = COMMAND_CONFIG,
920 .handler = &handle_flash_init_command,
921 .help = "Initialize flash devices.",
922 },
923 {
924 .name = "banks",
925 .mode = COMMAND_ANY,
926 .handler = &handle_flash_banks_command,
927 .help = "Display table with information about flash banks.",
928 },
929 {
930 .name = "list",
931 .mode = COMMAND_ANY,
932 .jim_handler = &jim_flash_list,
933 .help = "Returns a list of details about the flash banks.",
934 },
935 COMMAND_REGISTRATION_DONE
936 };
937 static const struct command_registration flash_command_handlers[] = {
938 {
939 .name = "flash",
940 .mode = COMMAND_ANY,
941 .help = "NOR flash command group",
942 .chain = flash_config_command_handlers,
943 },
944 COMMAND_REGISTRATION_DONE
945 };
946
947 int flash_register_commands(struct command_context *cmd_ctx)
948 {
949 return register_commands(cmd_ctx, NULL, flash_command_handlers);
950 }
Generic flash access through boundary scans