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NOR: add optional "flash erase_address" sector padding
[openocd.git] / src / flash / nor / tcl.c
blobcf40a81a75e4b49145d3d7f44be6eb02af9a6b1c
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 bool do_pad = false;
207 struct target *target = get_current_target(CMD_CTX);
208
209 switch (CMD_ARGC) {
210 case 3:
211 /* Optionally pad out the address range to block/sector
212 * boundaries. We can't know if there's data in that part
213 * of the flash; only do padding if we're told to.
214 */
215 if (strcmp("pad", CMD_ARGV[0]) != 0)
216 return ERROR_COMMAND_SYNTAX_ERROR;
217 do_pad = true;
218 CMD_ARGC--;
219 CMD_ARGV++;
220 /* FALL THROUGH */
221 case 2:
222 COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], address);
223 COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], length);
224 break;
225 default:
226 return ERROR_COMMAND_SYNTAX_ERROR;
227 }
228
229 if (length <= 0)
230 {
231 command_print(CMD_CTX, "Length must be >0");
232 return ERROR_COMMAND_SYNTAX_ERROR;
233 }
234
235 p = get_flash_bank_by_addr(target, address);
236 if (p == NULL)
237 {
238 return ERROR_FAIL;
239 }
240
241 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
242 flash_set_dirty();
243
244 struct duration bench;
245 duration_start(&bench);
246
247 retval = flash_erase_address_range(target, do_pad, address, length);
248
249 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
250 {
251 command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
252 " in %fs (%0.3f kb/s)", address, length,
253 duration_elapsed(&bench), duration_kbps(&bench, length));
254 }
255
256 return retval;
257 }
258
259 COMMAND_HANDLER(handle_flash_protect_check_command)
260 {
261 if (CMD_ARGC != 1)
262 return ERROR_COMMAND_SYNTAX_ERROR;
263
264 struct flash_bank *p;
265 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
266 if (ERROR_OK != retval)
267 return retval;
268
269 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
270 {
271 command_print(CMD_CTX, "successfully checked protect state");
272 }
273 else if (retval == ERROR_FLASH_OPERATION_FAILED)
274 {
275 command_print(CMD_CTX, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
276 }
277 else
278 {
279 command_print(CMD_CTX, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
280 }
281
282 return ERROR_OK;
283 }
284
285 static int flash_check_sector_parameters(struct command_context *cmd_ctx,
286 uint32_t first, uint32_t last, uint32_t num_sectors)
287 {
288 if (!(first <= last)) {
289 command_print(cmd_ctx, "ERROR: "
290 "first sector must be <= last sector");
291 return ERROR_FAIL;
292 }
293
294 if (!(last <= (num_sectors - 1))) {
295 command_print(cmd_ctx, "ERROR: last sector must be <= %d",
296 (int) num_sectors - 1);
297 return ERROR_FAIL;
298 }
299
300 return ERROR_OK;
301 }
302
303 COMMAND_HANDLER(handle_flash_erase_command)
304 {
305 if (CMD_ARGC != 3)
306 return ERROR_COMMAND_SYNTAX_ERROR;
307
308 uint32_t bank_nr;
309 uint32_t first;
310 uint32_t last;
311
312 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
313 struct flash_bank *p = get_flash_bank_by_num(bank_nr);
314 if (!p)
315 return ERROR_OK;
316
317 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
318 if (strcmp(CMD_ARGV[2], "last") == 0)
319 last = p->num_sectors - 1;
320 else
321 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
322
323 int retval;
324 if ((retval = flash_check_sector_parameters(CMD_CTX,
325 first, last, p->num_sectors)) != ERROR_OK)
326 return retval;
327
328 struct duration bench;
329 duration_start(&bench);
330
331 retval = flash_driver_erase(p, first, last);
332
333 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
334 {
335 command_print(CMD_CTX, "erased sectors %" PRIu32 " "
336 "through %" PRIu32" on flash bank %" PRIu32 " "
337 "in %fs", first, last, bank_nr, duration_elapsed(&bench));
338 }
339
340 return ERROR_OK;
341 }
342
343 COMMAND_HANDLER(handle_flash_protect_command)
344 {
345 if (CMD_ARGC != 4)
346 return ERROR_COMMAND_SYNTAX_ERROR;
347
348 uint32_t bank_nr;
349 uint32_t first;
350 uint32_t last;
351
352 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
353 struct flash_bank *p = get_flash_bank_by_num(bank_nr);
354 if (!p)
355 return ERROR_OK;
356
357 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
358 if (strcmp(CMD_ARGV[2], "last") == 0)
359 last = p->num_sectors - 1;
360 else
361 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
362
363 bool set;
364 COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
365
366 int retval;
367 if ((retval = flash_check_sector_parameters(CMD_CTX,
368 first, last, p->num_sectors)) != ERROR_OK)
369 return retval;
370
371 retval = flash_driver_protect(p, set, first, last);
372 if (retval == ERROR_OK) {
373 command_print(CMD_CTX, "%s protection for sectors %i "
374 "through %i on flash bank %i",
375 (set) ? "set" : "cleared", (int) first,
376 (int) last, (int) bank_nr);
377 }
378
379 return ERROR_OK;
380 }
381
382 COMMAND_HANDLER(handle_flash_write_image_command)
383 {
384 struct target *target = get_current_target(CMD_CTX);
385
386 struct image image;
387 uint32_t written;
388
389 int retval;
390
391 if (CMD_ARGC < 1)
392 {
393 return ERROR_COMMAND_SYNTAX_ERROR;
394 }
395
396 /* flash auto-erase is disabled by default*/
397 int auto_erase = 0;
398 bool auto_unlock = false;
399
400 for (;;)
401 {
402 if (strcmp(CMD_ARGV[0], "erase") == 0)
403 {
404 auto_erase = 1;
405 CMD_ARGV++;
406 CMD_ARGC--;
407 command_print(CMD_CTX, "auto erase enabled");
408 } else if (strcmp(CMD_ARGV[0], "unlock") == 0)
409 {
410 auto_unlock = true;
411 CMD_ARGV++;
412 CMD_ARGC--;
413 command_print(CMD_CTX, "auto unlock enabled");
414 } else
415 {
416 break;
417 }
418 }
419
420 if (CMD_ARGC < 1)
421 {
422 return ERROR_COMMAND_SYNTAX_ERROR;
423 }
424
425 if (!target)
426 {
427 LOG_ERROR("no target selected");
428 return ERROR_FAIL;
429 }
430
431 struct duration bench;
432 duration_start(&bench);
433
434 if (CMD_ARGC >= 2)
435 {
436 image.base_address_set = 1;
437 COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], image.base_address);
438 }
439 else
440 {
441 image.base_address_set = 0;
442 image.base_address = 0x0;
443 }
444
445 image.start_address_set = 0;
446
447 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
448 if (retval != ERROR_OK)
449 {
450 return retval;
451 }
452
453 retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
454 if (retval != ERROR_OK)
455 {
456 image_close(&image);
457 return retval;
458 }
459
460 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
461 {
462 command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
463 "in %fs (%0.3f kb/s)", written, CMD_ARGV[0],
464 duration_elapsed(&bench), duration_kbps(&bench, written));
465 }
466
467 image_close(&image);
468
469 return retval;
470 }
471
472 COMMAND_HANDLER(handle_flash_fill_command)
473 {
474 int err = ERROR_OK;
475 uint32_t address;
476 uint32_t pattern;
477 uint32_t count;
478 uint32_t wrote = 0;
479 uint32_t cur_size = 0;
480 uint32_t chunk_count;
481 struct target *target = get_current_target(CMD_CTX);
482 uint32_t i;
483 uint32_t wordsize;
484 int retval = ERROR_OK;
485
486 static size_t const chunksize = 1024;
487 uint8_t *chunk = malloc(chunksize);
488 if (chunk == NULL)
489 return ERROR_FAIL;
490
491 uint8_t *readback = malloc(chunksize);
492 if (readback == NULL)
493 {
494 free(chunk);
495 return ERROR_FAIL;
496 }
497
498
499 if (CMD_ARGC != 3)
500 {
501 retval = ERROR_COMMAND_SYNTAX_ERROR;
502 goto done;
503 }
504
505
506 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
507 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
508 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
509
510 if (count == 0)
511 goto done;
512
513 switch (CMD_NAME[4])
514 {
515 case 'w':
516 wordsize = 4;
517 break;
518 case 'h':
519 wordsize = 2;
520 break;
521 case 'b':
522 wordsize = 1;
523 break;
524 default:
525 retval = ERROR_COMMAND_SYNTAX_ERROR;
526 goto done;
527 }
528
529 chunk_count = MIN(count, (chunksize / wordsize));
530 switch (wordsize)
531 {
532 case 4:
533 for (i = 0; i < chunk_count; i++)
534 {
535 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
536 }
537 break;
538 case 2:
539 for (i = 0; i < chunk_count; i++)
540 {
541 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
542 }
543 break;
544 case 1:
545 memset(chunk, pattern, chunk_count);
546 break;
547 default:
548 LOG_ERROR("BUG: can't happen");
549 exit(-1);
550 }
551
552 struct duration bench;
553 duration_start(&bench);
554
555 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
556 {
557 struct flash_bank *bank;
558
559 bank = get_flash_bank_by_addr(target, address);
560 if (bank == NULL)
561 {
562 retval = ERROR_FAIL;
563 goto done;
564 }
565
566 cur_size = MIN((count * wordsize - wrote), chunksize);
567 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
568 if (err != ERROR_OK)
569 {
570 retval = err;
571 goto done;
572 }
573
574 err = target_read_buffer(target, address + wrote, cur_size, readback);
575 if (err != ERROR_OK)
576 {
577 retval = err;
578 goto done;
579 }
580
581 unsigned i;
582 for (i = 0; i < cur_size; i++)
583 {
584 if (readback[i]!=chunk[i])
585 {
586 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
587 address + wrote + i, readback[i], chunk[i]);
588 retval = ERROR_FAIL;
589 goto done;
590 }
591 }
592 }
593
594 if (duration_measure(&bench) == ERROR_OK)
595 {
596 command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
597 " in %fs (%0.3f kb/s)", wrote, address,
598 duration_elapsed(&bench), duration_kbps(&bench, wrote));
599 }
600
601 done:
602 free(readback);
603 free(chunk);
604
605 return retval;
606 }
607
608 COMMAND_HANDLER(handle_flash_write_bank_command)
609 {
610 uint32_t offset;
611 uint8_t *buffer;
612 struct fileio fileio;
613
614 if (CMD_ARGC != 3)
615 return ERROR_COMMAND_SYNTAX_ERROR;
616
617 struct duration bench;
618 duration_start(&bench);
619
620 struct flash_bank *p;
621 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
622 if (ERROR_OK != retval)
623 return retval;
624
625 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
626
627 if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
628 {
629 return ERROR_OK;
630 }
631
632 buffer = malloc(fileio.size);
633 size_t buf_cnt;
634 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
635 {
636 free(buffer);
637 fileio_close(&fileio);
638 return ERROR_OK;
639 }
640
641 retval = flash_driver_write(p, buffer, offset, buf_cnt);
642
643 free(buffer);
644 buffer = NULL;
645
646 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
647 {
648 command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
649 " at offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
650 (long)fileio.size, CMD_ARGV[1], p->bank_number, offset,
651 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
652 }
653
654 fileio_close(&fileio);
655
656 return retval;
657 }
658
659 void flash_set_dirty(void)
660 {
661 struct flash_bank *c;
662 int i;
663
664 /* set all flash to require erasing */
665 for (c = flash_bank_list(); c; c = c->next)
666 {
667 for (i = 0; i < c->num_sectors; i++)
668 {
669 c->sectors[i].is_erased = 0;
670 }
671 }
672 }
673
674 static const struct command_registration flash_exec_command_handlers[] = {
675 {
676 .name = "probe",
677 .handler = handle_flash_probe_command,
678 .mode = COMMAND_EXEC,
679 .usage = "bank_id",
680 .help = "Identify a flash bank.",
681 },
682 {
683 .name = "info",
684 .handler = handle_flash_info_command,
685 .mode = COMMAND_EXEC,
686 .usage = "bank_id",
687 .help = "Print information about a flash bank.",
688 },
689 {
690 .name = "erase_check",
691 .handler = handle_flash_erase_check_command,
692 .mode = COMMAND_EXEC,
693 .usage = "bank_id",
694 .help = "Check erase state of all blocks in a "
695 "flash bank.",
696 },
697 {
698 .name = "protect_check",
699 .handler = handle_flash_protect_check_command,
700 .mode = COMMAND_EXEC,
701 .usage = "bank_id",
702 .help = "Check protection state of all blocks in a "
703 "flash bank.",
704 },
705 {
706 .name = "erase_sector",
707 .handler = handle_flash_erase_command,
708 .mode = COMMAND_EXEC,
709 .usage = "bank_id first_sector_num last_sector_num",
710 .help = "Erase a range of sectors in a flash bank.",
711 },
712 {
713 .name = "erase_address",
714 .handler = handle_flash_erase_address_command,
715 .mode = COMMAND_EXEC,
716 .usage = "['pad'] address length",
717 .help = "Erase flash sectors starting at address and "
718 "continuing for length bytes. If 'pad' is specified, "
719 "data outside that range may also be erased: the start "
720 "address may be decreased, and length increased, so "
721 "that all of the first and last sectors are erased.",
722 },
723 {
724 .name = "fillw",
725 .handler = handle_flash_fill_command,
726 .mode = COMMAND_EXEC,
727 .usage = "address value n",
728 .help = "Fill n words with 32-bit value, starting at "
729 "word address. (No autoerase.)",
730 },
731 {
732 .name = "fillh",
733 .handler = handle_flash_fill_command,
734 .mode = COMMAND_EXEC,
735 .usage = "address value n",
736 .help = "Fill n halfwords with 16-bit value, starting at "
737 "word address. (No autoerase.)",
738 },
739 {
740 .name = "fillb",
741 .handler = handle_flash_fill_command,
742 .mode = COMMAND_EXEC,
743 .usage = "address value n",
744 .help = "Fill n bytes with 8-bit value, starting at "
745 "word address. (No autoerase.)",
746 },
747 {
748 .name = "write_bank",
749 .handler = handle_flash_write_bank_command,
750 .mode = COMMAND_EXEC,
751 .usage = "bank_id filename offset",
752 .help = "Write binary data from file to flash bank, "
753 "starting at specified byte offset from the "
754 "beginning of the bank.",
755 },
756 {
757 .name = "write_image",
758 .handler = handle_flash_write_image_command,
759 .mode = COMMAND_EXEC,
760 .usage = "[erase] [unlock] filename [offset [file_type]]",
761 .help = "Write an image to flash. Optionally first unprotect "
762 "and/or erase the region to be used. Allow optional "
763 "offset from beginning of bank (defaults to zero)",
764 },
765 {
766 .name = "protect",
767 .handler = handle_flash_protect_command,
768 .mode = COMMAND_EXEC,
769 .usage = "bank_id first_sector [last_sector|'last'] "
770 "('on'|'off')",
771 .help = "Turn protection on or off for a range of sectors "
772 "in a given flash bank.",
773 },
774 COMMAND_REGISTRATION_DONE
775 };
776
777 int flash_init_drivers(struct command_context *cmd_ctx)
778 {
779 if (!flash_bank_list())
780 return ERROR_OK;
781
782 struct command *parent = command_find_in_context(cmd_ctx, "flash");
783 return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
784 }
785
786
787 COMMAND_HANDLER(handle_flash_bank_command)
788 {
789 if (CMD_ARGC < 7)
790 {
791 LOG_ERROR("usage: flash bank <name> <driver> "
792 "<base> <size> <chip_width> <bus_width>");
793 return ERROR_COMMAND_SYNTAX_ERROR;
794 }
795 // save bank name and advance arguments for compatibility
796 const char *bank_name = *CMD_ARGV++;
797 CMD_ARGC--;
798
799 struct target *target;
800 if ((target = get_target(CMD_ARGV[5])) == NULL)
801 {
802 LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
803 return ERROR_FAIL;
804 }
805
806 const char *driver_name = CMD_ARGV[0];
807 struct flash_driver *driver = flash_driver_find_by_name(driver_name);
808 if (NULL == driver)
809 {
810 /* no matching flash driver found */
811 LOG_ERROR("flash driver '%s' not found", driver_name);
812 return ERROR_FAIL;
813 }
814
815 /* register flash specific commands */
816 if (NULL != driver->commands)
817 {
818 int retval = register_commands(CMD_CTX, NULL,
819 driver->commands);
820 if (ERROR_OK != retval)
821 {
822 LOG_ERROR("couldn't register '%s' commands",
823 driver_name);
824 return ERROR_FAIL;
825 }
826 }
827
828 struct flash_bank *c = malloc(sizeof(*c));
829 c->name = strdup(bank_name);
830 c->target = target;
831 c->driver = driver;
832 c->driver_priv = NULL;
833 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
834 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
835 COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
836 COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
837 c->num_sectors = 0;
838 c->sectors = NULL;
839 c->next = NULL;
840
841 int retval;
842 retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
843 if (ERROR_OK != retval)
844 {
845 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
846 driver_name, c->base);
847 free(c);
848 return retval;
849 }
850
851 flash_bank_add(c);
852
853 return ERROR_OK;
854 }
855
856 COMMAND_HANDLER(handle_flash_banks_command)
857 {
858 if (CMD_ARGC != 0)
859 return ERROR_INVALID_ARGUMENTS;
860
861 unsigned n = 0;
862 for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++)
863 {
864 LOG_USER("#%u: %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
865 "buswidth %u, chipwidth %u", n,
866 p->driver->name, p->base, p->size,
867 p->bus_width, p->chip_width);
868 }
869 return ERROR_OK;
870 }
871
872 static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
873 {
874 if (argc != 1)
875 {
876 Jim_WrongNumArgs(interp, 1, argv,
877 "no arguments to 'flash list' command");
878 return JIM_ERR;
879 }
880
881 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
882
883 for (struct flash_bank *p = flash_bank_list(); p; p = p->next)
884 {
885 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
886
887 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
888 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
889 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
890 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
891 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
892 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
893 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
894 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
895 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
896 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
897
898 Jim_ListAppendElement(interp, list, elem);
899 }
900
901 Jim_SetResult(interp, list);
902
903 return JIM_OK;
904 }
905
906
907 COMMAND_HANDLER(handle_flash_init_command)
908 {
909 if (CMD_ARGC != 0)
910 return ERROR_COMMAND_SYNTAX_ERROR;
911
912 static bool flash_initialized = false;
913 if (flash_initialized)
914 {
915 LOG_INFO("'flash init' has already been called");
916 return ERROR_OK;
917 }
918 flash_initialized = true;
919
920 LOG_DEBUG("Initializing flash devices...");
921 return flash_init_drivers(CMD_CTX);
922 }
923
924 static const struct command_registration flash_config_command_handlers[] = {
925 {
926 .name = "bank",
927 .handler = &handle_flash_bank_command,
928 .mode = COMMAND_CONFIG,
929 .usage = "bank_id driver_name base_address size_bytes "
930 "chip_width_bytes bus_width_bytes target "
931 "[driver_options ...]",
932 .help = "Define a new bank with the given name, "
933 "using the specified NOR flash driver.",
934 },
935 {
936 .name = "init",
937 .mode = COMMAND_CONFIG,
938 .handler = &handle_flash_init_command,
939 .help = "Initialize flash devices.",
940 },
941 {
942 .name = "banks",
943 .mode = COMMAND_ANY,
944 .handler = &handle_flash_banks_command,
945 .help = "Display table with information about flash banks.",
946 },
947 {
948 .name = "list",
949 .mode = COMMAND_ANY,
950 .jim_handler = &jim_flash_list,
951 .help = "Returns a list of details about the flash banks.",
952 },
953 COMMAND_REGISTRATION_DONE
954 };
955 static const struct command_registration flash_command_handlers[] = {
956 {
957 .name = "flash",
958 .mode = COMMAND_ANY,
959 .help = "NOR flash command group",
960 .chain = flash_config_command_handlers,
961 },
962 COMMAND_REGISTRATION_DONE
963 };
964
965 int flash_register_commands(struct command_context *cmd_ctx)
966 {
967 return register_commands(cmd_ctx, NULL, flash_command_handlers);
968 }
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