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flash: fix error handling
[openocd/cortex.git] / src / flash / nor / tcl.c
blob8604b4b33a66eb07d9d0e191dec78e0d827956c1
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 int retval = get_flash_bank_by_name(name, bank);
39 if (retval != ERROR_OK)
40 return retval;
41 if (*bank)
42 return ERROR_OK;
43
44 unsigned bank_num;
45 COMMAND_PARSE_NUMBER(uint, name, bank_num);
46
47 return get_flash_bank_by_num(bank_num, bank);
48 }
49
50
51 COMMAND_HANDLER(handle_flash_info_command)
52 {
53 struct flash_bank *p;
54 int j = 0;
55 int retval;
56
57 if (CMD_ARGC != 1)
58 return ERROR_COMMAND_SYNTAX_ERROR;
59
60 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
61 if (retval != ERROR_OK)
62 return retval;
63
64 if (p != NULL)
65 {
66 char buf[1024];
67
68 /* attempt auto probe */
69 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
70 return retval;
71
72 /* We must query the hardware to avoid printing stale information! */
73 retval = p->driver->protect_check(p);
74 if (retval != ERROR_OK)
75 return retval;
76
77 command_print(CMD_CTX,
78 "#%" PRIu32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
79 p->bank_number,
80 p->driver->name,
81 p->base,
82 p->size,
83 p->bus_width,
84 p->chip_width);
85 for (j = 0; j < p->num_sectors; j++)
86 {
87 char *protect_state;
88
89 if (p->sectors[j].is_protected == 0)
90 protect_state = "not protected";
91 else if (p->sectors[j].is_protected == 1)
92 protect_state = "protected";
93 else
94 protect_state = "protection state unknown";
95
96 command_print(CMD_CTX,
97 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
98 j,
99 p->sectors[j].offset,
100 p->sectors[j].size,
101 p->sectors[j].size >> 10,
102 protect_state);
103 }
104
105 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
106 retval = p->driver->info(p, buf, sizeof(buf));
107 command_print(CMD_CTX, "%s", buf);
108 if (retval != ERROR_OK)
109 LOG_ERROR("error retrieving flash info (%d)", retval);
110 }
111
112 return ERROR_OK;
113 }
114
115 COMMAND_HANDLER(handle_flash_probe_command)
116 {
117 struct flash_bank *p;
118 int retval;
119
120 if (CMD_ARGC != 1)
121 {
122 return ERROR_COMMAND_SYNTAX_ERROR;
123 }
124
125 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
126 if (retval != ERROR_OK)
127 return retval;
128
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 }
136 else
137 {
138 command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
139 retval = ERROR_FAIL;
140 }
141
142 return retval;
143 }
144
145 COMMAND_HANDLER(handle_flash_erase_check_command)
146 {
147 if (CMD_ARGC != 1)
148 {
149 return ERROR_COMMAND_SYNTAX_ERROR;
150 }
151
152 struct flash_bank *p;
153 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
154 if (ERROR_OK != retval)
155 return retval;
156
157 int j;
158 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
159 {
160 command_print(CMD_CTX, "successfully checked erase state");
161 }
162 else
163 {
164 command_print(CMD_CTX, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
165 CMD_ARGV[0], p->base);
166 }
167
168 for (j = 0; j < p->num_sectors; j++)
169 {
170 char *erase_state;
171
172 if (p->sectors[j].is_erased == 0)
173 erase_state = "not erased";
174 else if (p->sectors[j].is_erased == 1)
175 erase_state = "erased";
176 else
177 erase_state = "erase state unknown";
178
179 command_print(CMD_CTX,
180 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
181 j,
182 p->sectors[j].offset,
183 p->sectors[j].size,
184 p->sectors[j].size >> 10,
185 erase_state);
186 }
187
188 return ERROR_OK;
189 }
190
191 COMMAND_HANDLER(handle_flash_erase_address_command)
192 {
193 struct flash_bank *p;
194 int retval = ERROR_OK;
195 uint32_t address;
196 uint32_t length;
197 bool do_pad = false;
198 bool do_unlock = false;
199 struct target *target = get_current_target(CMD_CTX);
200
201 while (CMD_ARGC >= 3)
202 {
203 /* Optionally pad out the address range to block/sector
204 * boundaries. We can't know if there's data in that part
205 * of the flash; only do padding if we're told to.
206 */
207 if (strcmp("pad", CMD_ARGV[0]) == 0)
208 {
209 do_pad = true;
210 } else if (strcmp("unlock", CMD_ARGV[0]) == 0)
211 {
212 do_unlock = true;
213 } else
214 {
215 return ERROR_COMMAND_SYNTAX_ERROR;
216 }
217 CMD_ARGC--;
218 CMD_ARGV++;
219 }
220 if (CMD_ARGC != 2)
221 {
222 return ERROR_COMMAND_SYNTAX_ERROR;
223 }
224
225 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
226 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
227
228 if (length <= 0)
229 {
230 command_print(CMD_CTX, "Length must be >0");
231 return ERROR_COMMAND_SYNTAX_ERROR;
232 }
233
234 retval = get_flash_bank_by_addr(target, address, true, &p);
235 if (retval != ERROR_OK)
236 return retval;
237
238 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
239 flash_set_dirty();
240
241 struct duration bench;
242 duration_start(&bench);
243
244 if (do_unlock)
245 {
246 retval = flash_unlock_address_range(target, address, length);
247 }
248
249 if (retval == ERROR_OK)
250 {
251 retval = flash_erase_address_range(target, do_pad, address, length);
252 }
253
254 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
255 {
256 command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
257 " in %fs (%0.3f KiB/s)", address, length,
258 duration_elapsed(&bench), duration_kbps(&bench, length));
259 }
260
261 return retval;
262 }
263
264 static int flash_check_sector_parameters(struct command_context *cmd_ctx,
265 uint32_t first, uint32_t last, uint32_t num_sectors)
266 {
267 if (!(first <= last)) {
268 command_print(cmd_ctx, "ERROR: "
269 "first sector must be <= last sector");
270 return ERROR_FAIL;
271 }
272
273 if (!(last <= (num_sectors - 1))) {
274 command_print(cmd_ctx, "ERROR: last sector must be <= %d",
275 (int) num_sectors - 1);
276 return ERROR_FAIL;
277 }
278
279 return ERROR_OK;
280 }
281
282 COMMAND_HANDLER(handle_flash_erase_command)
283 {
284 if (CMD_ARGC != 3)
285 return ERROR_COMMAND_SYNTAX_ERROR;
286
287 uint32_t first;
288 uint32_t last;
289
290 struct flash_bank *p;
291 int retval;
292
293 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
294 if (retval != ERROR_OK)
295 return retval;
296
297 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
298 if (strcmp(CMD_ARGV[2], "last") == 0)
299 last = p->num_sectors - 1;
300 else
301 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
302
303 if ((retval = flash_check_sector_parameters(CMD_CTX,
304 first, last, p->num_sectors)) != ERROR_OK)
305 return retval;
306
307 struct duration bench;
308 duration_start(&bench);
309
310 retval = flash_driver_erase(p, first, last);
311
312 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
313 {
314 command_print(CMD_CTX, "erased sectors %" PRIu32 " "
315 "through %" PRIu32" on flash bank %" PRIu32 " "
316 "in %fs", first, last, p->bank_number, duration_elapsed(&bench));
317 }
318
319 return ERROR_OK;
320 }
321
322 COMMAND_HANDLER(handle_flash_protect_command)
323 {
324 if (CMD_ARGC != 4)
325 return ERROR_COMMAND_SYNTAX_ERROR;
326
327 uint32_t first;
328 uint32_t last;
329
330 struct flash_bank *p;
331 int retval;
332
333 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
334 if (retval != ERROR_OK)
335 return retval;
336
337 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
338 if (strcmp(CMD_ARGV[2], "last") == 0)
339 last = p->num_sectors - 1;
340 else
341 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
342
343 bool set;
344 COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
345
346 if ((retval = flash_check_sector_parameters(CMD_CTX,
347 first, last, p->num_sectors)) != ERROR_OK)
348 return retval;
349
350 retval = flash_driver_protect(p, set, first, last);
351 if (retval == ERROR_OK) {
352 command_print(CMD_CTX, "%s protection for sectors %i "
353 "through %i on flash bank %" PRIu32 "",
354 (set) ? "set" : "cleared", (int) first,
355 (int) last, p->bank_number);
356 }
357
358 return ERROR_OK;
359 }
360
361 COMMAND_HANDLER(handle_flash_write_image_command)
362 {
363 struct target *target = get_current_target(CMD_CTX);
364
365 struct image image;
366 uint32_t written;
367
368 int retval;
369
370 if (CMD_ARGC < 1)
371 {
372 return ERROR_COMMAND_SYNTAX_ERROR;
373 }
374
375 /* flash auto-erase is disabled by default*/
376 int auto_erase = 0;
377 bool auto_unlock = false;
378
379 for (;;)
380 {
381 if (strcmp(CMD_ARGV[0], "erase") == 0)
382 {
383 auto_erase = 1;
384 CMD_ARGV++;
385 CMD_ARGC--;
386 command_print(CMD_CTX, "auto erase enabled");
387 } else if (strcmp(CMD_ARGV[0], "unlock") == 0)
388 {
389 auto_unlock = true;
390 CMD_ARGV++;
391 CMD_ARGC--;
392 command_print(CMD_CTX, "auto unlock enabled");
393 } else
394 {
395 break;
396 }
397 }
398
399 if (CMD_ARGC < 1)
400 {
401 return ERROR_COMMAND_SYNTAX_ERROR;
402 }
403
404 if (!target)
405 {
406 LOG_ERROR("no target selected");
407 return ERROR_FAIL;
408 }
409
410 struct duration bench;
411 duration_start(&bench);
412
413 if (CMD_ARGC >= 2)
414 {
415 image.base_address_set = 1;
416 COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
417 }
418 else
419 {
420 image.base_address_set = 0;
421 image.base_address = 0x0;
422 }
423
424 image.start_address_set = 0;
425
426 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
427 if (retval != ERROR_OK)
428 {
429 return retval;
430 }
431
432 retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
433 if (retval != ERROR_OK)
434 {
435 image_close(&image);
436 return retval;
437 }
438
439 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
440 {
441 command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
442 "in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
443 duration_elapsed(&bench), duration_kbps(&bench, written));
444 }
445
446 image_close(&image);
447
448 return retval;
449 }
450
451 COMMAND_HANDLER(handle_flash_fill_command)
452 {
453 int err = ERROR_OK;
454 uint32_t address;
455 uint32_t pattern;
456 uint32_t count;
457 uint32_t wrote = 0;
458 uint32_t cur_size = 0;
459 uint32_t chunk_count;
460 struct target *target = get_current_target(CMD_CTX);
461 unsigned i;
462 uint32_t wordsize;
463 int retval = ERROR_OK;
464
465 static size_t const chunksize = 1024;
466 uint8_t *chunk = malloc(chunksize);
467 if (chunk == NULL)
468 return ERROR_FAIL;
469
470 uint8_t *readback = malloc(chunksize);
471 if (readback == NULL)
472 {
473 free(chunk);
474 return ERROR_FAIL;
475 }
476
477
478 if (CMD_ARGC != 3)
479 {
480 retval = ERROR_COMMAND_SYNTAX_ERROR;
481 goto done;
482 }
483
484
485 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
486 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
487 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
488
489 if (count == 0)
490 goto done;
491
492 switch (CMD_NAME[4])
493 {
494 case 'w':
495 wordsize = 4;
496 break;
497 case 'h':
498 wordsize = 2;
499 break;
500 case 'b':
501 wordsize = 1;
502 break;
503 default:
504 retval = ERROR_COMMAND_SYNTAX_ERROR;
505 goto done;
506 }
507
508 chunk_count = MIN(count, (chunksize / wordsize));
509 switch (wordsize)
510 {
511 case 4:
512 for (i = 0; i < chunk_count; i++)
513 {
514 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
515 }
516 break;
517 case 2:
518 for (i = 0; i < chunk_count; i++)
519 {
520 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
521 }
522 break;
523 case 1:
524 memset(chunk, pattern, chunk_count);
525 break;
526 default:
527 LOG_ERROR("BUG: can't happen");
528 exit(-1);
529 }
530
531 struct duration bench;
532 duration_start(&bench);
533
534 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
535 {
536 struct flash_bank *bank;
537
538 retval = get_flash_bank_by_addr(target, address, true, &bank );
539 if (retval != ERROR_OK)
540 goto done;
541
542 cur_size = MIN((count * wordsize - wrote), chunksize);
543 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
544 if (err != ERROR_OK)
545 {
546 retval = err;
547 goto done;
548 }
549
550 err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size);
551 if (err != ERROR_OK)
552 {
553 retval = err;
554 goto done;
555 }
556
557 for (i = 0; i < cur_size; i++)
558 {
559 if (readback[i]!=chunk[i])
560 {
561 LOG_ERROR("Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
562 address + wrote + i, readback[i], chunk[i]);
563 retval = ERROR_FAIL;
564 goto done;
565 }
566 }
567 }
568
569 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK))
570 {
571 command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
572 " in %fs (%0.3f KiB/s)", wrote, address,
573 duration_elapsed(&bench), duration_kbps(&bench, wrote));
574 }
575
576 done:
577 free(readback);
578 free(chunk);
579
580 return retval;
581 }
582
583 COMMAND_HANDLER(handle_flash_write_bank_command)
584 {
585 uint32_t offset;
586 uint8_t *buffer;
587 struct fileio fileio;
588
589 if (CMD_ARGC != 3)
590 return ERROR_COMMAND_SYNTAX_ERROR;
591
592 struct duration bench;
593 duration_start(&bench);
594
595 struct flash_bank *p;
596 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
597 if (ERROR_OK != retval)
598 return retval;
599
600 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
601
602 if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
603 {
604 return ERROR_OK;
605 }
606
607 buffer = malloc(fileio.size);
608 size_t buf_cnt;
609 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
610 {
611 free(buffer);
612 fileio_close(&fileio);
613 return ERROR_OK;
614 }
615
616 retval = flash_driver_write(p, buffer, offset, buf_cnt);
617
618 free(buffer);
619 buffer = NULL;
620
621 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
622 {
623 command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
624 " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
625 (long)fileio.size, CMD_ARGV[1], p->bank_number, offset,
626 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
627 }
628
629 fileio_close(&fileio);
630
631 return retval;
632 }
633
634 void flash_set_dirty(void)
635 {
636 struct flash_bank *c;
637 int i;
638
639 /* set all flash to require erasing */
640 for (c = flash_bank_list(); c; c = c->next)
641 {
642 for (i = 0; i < c->num_sectors; i++)
643 {
644 c->sectors[i].is_erased = 0;
645 }
646 }
647 }
648
649 static const struct command_registration flash_exec_command_handlers[] = {
650 {
651 .name = "probe",
652 .handler = handle_flash_probe_command,
653 .mode = COMMAND_EXEC,
654 .usage = "bank_id",
655 .help = "Identify a flash bank.",
656 },
657 {
658 .name = "info",
659 .handler = handle_flash_info_command,
660 .mode = COMMAND_EXEC,
661 .usage = "bank_id",
662 .help = "Print information about a flash bank.",
663 },
664 {
665 .name = "erase_check",
666 .handler = handle_flash_erase_check_command,
667 .mode = COMMAND_EXEC,
668 .usage = "bank_id",
669 .help = "Check erase state of all blocks in a "
670 "flash bank.",
671 },
672 {
673 .name = "erase_sector",
674 .handler = handle_flash_erase_command,
675 .mode = COMMAND_EXEC,
676 .usage = "bank_id first_sector_num last_sector_num",
677 .help = "Erase a range of sectors in a flash bank.",
678 },
679 {
680 .name = "erase_address",
681 .handler = handle_flash_erase_address_command,
682 .mode = COMMAND_EXEC,
683 .usage = "['pad'] ['unlock'] address length",
684 .help = "Erase flash sectors starting at address and "
685 "continuing for length bytes. If 'pad' is specified, "
686 "data outside that range may also be erased: the start "
687 "address may be decreased, and length increased, so "
688 "that all of the first and last sectors are erased. "
689 "If 'unlock' is specified, then the flash is unprotected "
690 "before erasing.",
691
692 },
693 {
694 .name = "fillw",
695 .handler = handle_flash_fill_command,
696 .mode = COMMAND_EXEC,
697 .usage = "address value n",
698 .help = "Fill n words with 32-bit value, starting at "
699 "word address. (No autoerase.)",
700 },
701 {
702 .name = "fillh",
703 .handler = handle_flash_fill_command,
704 .mode = COMMAND_EXEC,
705 .usage = "address value n",
706 .help = "Fill n halfwords with 16-bit value, starting at "
707 "word address. (No autoerase.)",
708 },
709 {
710 .name = "fillb",
711 .handler = handle_flash_fill_command,
712 .mode = COMMAND_EXEC,
713 .usage = "address value n",
714 .help = "Fill n bytes with 8-bit value, starting at "
715 "word address. (No autoerase.)",
716 },
717 {
718 .name = "write_bank",
719 .handler = handle_flash_write_bank_command,
720 .mode = COMMAND_EXEC,
721 .usage = "bank_id filename offset",
722 .help = "Write binary data from file to flash bank, "
723 "starting at specified byte offset from the "
724 "beginning of the bank.",
725 },
726 {
727 .name = "write_image",
728 .handler = handle_flash_write_image_command,
729 .mode = COMMAND_EXEC,
730 .usage = "[erase] [unlock] filename [offset [file_type]]",
731 .help = "Write an image to flash. Optionally first unprotect "
732 "and/or erase the region to be used. Allow optional "
733 "offset from beginning of bank (defaults to zero)",
734 },
735 {
736 .name = "protect",
737 .handler = handle_flash_protect_command,
738 .mode = COMMAND_EXEC,
739 .usage = "bank_id first_sector [last_sector|'last'] "
740 "('on'|'off')",
741 .help = "Turn protection on or off for a range of sectors "
742 "in a given flash bank.",
743 },
744 COMMAND_REGISTRATION_DONE
745 };
746
747 static int flash_init_drivers(struct command_context *cmd_ctx)
748 {
749 if (!flash_bank_list())
750 return ERROR_OK;
751
752 struct command *parent = command_find_in_context(cmd_ctx, "flash");
753 return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
754 }
755
756
757 COMMAND_HANDLER(handle_flash_bank_command)
758 {
759 if (CMD_ARGC < 7)
760 {
761 LOG_ERROR("usage: flash bank <name> <driver> "
762 "<base> <size> <chip_width> <bus_width> <target>");
763 return ERROR_COMMAND_SYNTAX_ERROR;
764 }
765 // save bank name and advance arguments for compatibility
766 const char *bank_name = *CMD_ARGV++;
767 CMD_ARGC--;
768
769 struct target *target;
770 if ((target = get_target(CMD_ARGV[5])) == NULL)
771 {
772 LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
773 return ERROR_FAIL;
774 }
775
776 const char *driver_name = CMD_ARGV[0];
777 struct flash_driver *driver = flash_driver_find_by_name(driver_name);
778 if (NULL == driver)
779 {
780 /* no matching flash driver found */
781 LOG_ERROR("flash driver '%s' not found", driver_name);
782 return ERROR_FAIL;
783 }
784
785 /* check the flash bank name is unique */
786 if (get_flash_bank_by_name_noprobe(bank_name) != NULL)
787 {
788 /* flash bank name already exists */
789 LOG_ERROR("flash bank name '%s' already exists", bank_name);
790 return ERROR_FAIL;
791 }
792
793 /* register flash specific commands */
794 if (NULL != driver->commands)
795 {
796 int retval = register_commands(CMD_CTX, NULL,
797 driver->commands);
798 if (ERROR_OK != retval)
799 {
800 LOG_ERROR("couldn't register '%s' commands",
801 driver_name);
802 return ERROR_FAIL;
803 }
804 }
805
806 struct flash_bank *c = malloc(sizeof(*c));
807 c->name = strdup(bank_name);
808 c->target = target;
809 c->driver = driver;
810 c->driver_priv = NULL;
811 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
812 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
813 COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
814 COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
815 c->num_sectors = 0;
816 c->sectors = NULL;
817 c->next = NULL;
818
819 int retval;
820 retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
821 if (ERROR_OK != retval)
822 {
823 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
824 driver_name, c->base);
825 free(c);
826 return retval;
827 }
828
829 flash_bank_add(c);
830
831 return ERROR_OK;
832 }
833
834 COMMAND_HANDLER(handle_flash_banks_command)
835 {
836 if (CMD_ARGC != 0)
837 return ERROR_INVALID_ARGUMENTS;
838
839 unsigned n = 0;
840 for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++)
841 {
842 LOG_USER("#%" PRIu32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
843 "buswidth %u, chipwidth %u", p->bank_number,
844 p->driver->name, p->base, p->size,
845 p->bus_width, p->chip_width);
846 }
847 return ERROR_OK;
848 }
849
850 static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
851 {
852 if (argc != 1)
853 {
854 Jim_WrongNumArgs(interp, 1, argv,
855 "no arguments to 'flash list' command");
856 return JIM_ERR;
857 }
858
859 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
860
861 for (struct flash_bank *p = flash_bank_list(); p; p = p->next)
862 {
863 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
864
865 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
866 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
867 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
868 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
869 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
870 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
871 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
872 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
873 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
874 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
875
876 Jim_ListAppendElement(interp, list, elem);
877 }
878
879 Jim_SetResult(interp, list);
880
881 return JIM_OK;
882 }
883
884
885 COMMAND_HANDLER(handle_flash_init_command)
886 {
887 if (CMD_ARGC != 0)
888 return ERROR_COMMAND_SYNTAX_ERROR;
889
890 static bool flash_initialized = false;
891 if (flash_initialized)
892 {
893 LOG_INFO("'flash init' has already been called");
894 return ERROR_OK;
895 }
896 flash_initialized = true;
897
898 LOG_DEBUG("Initializing flash devices...");
899 return flash_init_drivers(CMD_CTX);
900 }
901
902 static const struct command_registration flash_config_command_handlers[] = {
903 {
904 .name = "bank",
905 .handler = handle_flash_bank_command,
906 .mode = COMMAND_CONFIG,
907 .usage = "bank_id driver_name base_address size_bytes "
908 "chip_width_bytes bus_width_bytes target "
909 "[driver_options ...]",
910 .help = "Define a new bank with the given name, "
911 "using the specified NOR flash driver.",
912 },
913 {
914 .name = "init",
915 .mode = COMMAND_CONFIG,
916 .handler = handle_flash_init_command,
917 .help = "Initialize flash devices.",
918 },
919 {
920 .name = "banks",
921 .mode = COMMAND_ANY,
922 .handler = handle_flash_banks_command,
923 .help = "Display table with information about flash banks.",
924 },
925 {
926 .name = "list",
927 .mode = COMMAND_ANY,
928 .jim_handler = jim_flash_list,
929 .help = "Returns a list of details about the flash banks.",
930 },
931 COMMAND_REGISTRATION_DONE
932 };
933 static const struct command_registration flash_command_handlers[] = {
934 {
935 .name = "flash",
936 .mode = COMMAND_ANY,
937 .help = "NOR flash command group",
938 .chain = flash_config_command_handlers,
939 },
940 COMMAND_REGISTRATION_DONE
941 };
942
943 int flash_register_commands(struct command_context *cmd_ctx)
944 {
945 return register_commands(cmd_ctx, NULL, flash_command_handlers);
946 }
Marex's Cortex A8 development branch