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[openocd.git] / src / flash / lpc2000.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "lpc2000.h"
25
26 #include "flash.h"
27 #include "target.h"
28 #include "log.h"
29 #include "armv4_5.h"
30 #include "algorithm.h"
31 #include "binarybuffer.h"
32
33 #include <stdlib.h>
34 #include <string.h>
35
36 /* flash programming support for Philips LPC2xxx devices
37 * currently supported devices:
38 * variant 1 (lpc2000_v1):
39 * - 2104|5|6
40 * - 2114|9
41 * - 2124|9
42 * - 2194
43 * - 2212|4
44 * - 2292|4
45 *
46 * variant 2 (lpc2000_v2):
47 * - 213x
48 * - 214x
49 * - 2101|2|3
50 * - 2364|6|8
51 * - 2378
52 */
53
54 int lpc2000_register_commands(struct command_context_s *cmd_ctx);
55 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
56 int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
57 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
58 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
59 int lpc2000_probe(struct flash_bank_s *bank);
60 int lpc2000_erase_check(struct flash_bank_s *bank);
61 int lpc2000_protect_check(struct flash_bank_s *bank);
62 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
63
64 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65
66 flash_driver_t lpc2000_flash =
67 {
68 .name = "lpc2000",
69 .register_commands = lpc2000_register_commands,
70 .flash_bank_command = lpc2000_flash_bank_command,
71 .erase = lpc2000_erase,
72 .protect = lpc2000_protect,
73 .write = lpc2000_write,
74 .probe = lpc2000_probe,
75 .auto_probe = lpc2000_probe,
76 .erase_check = lpc2000_erase_check,
77 .protect_check = lpc2000_protect_check,
78 .info = lpc2000_info
79 };
80
81 int lpc2000_register_commands(struct command_context_s *cmd_ctx)
82 {
83 command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
84
85 register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
86 "print part id of lpc2000 flash bank <num>");
87
88 return ERROR_OK;
89 }
90
91 int lpc2000_build_sector_list(struct flash_bank_s *bank)
92 {
93 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
94
95 /* default to a 4096 write buffer */
96 lpc2000_info->cmd51_max_buffer = 4096;
97
98 if (lpc2000_info->variant == 1)
99 {
100 int i = 0;
101 u32 offset = 0;
102
103 /* variant 1 has different layout for 128kb and 256kb flashes */
104 if (bank->size == 128 * 1024)
105 {
106 bank->num_sectors = 16;
107 bank->sectors = malloc(sizeof(flash_sector_t) * 16);
108 for (i = 0; i < 16; i++)
109 {
110 bank->sectors[i].offset = offset;
111 bank->sectors[i].size = 8 * 1024;
112 offset += bank->sectors[i].size;
113 bank->sectors[i].is_erased = -1;
114 bank->sectors[i].is_protected = 1;
115 }
116 }
117 else if (bank->size == 256 * 1024)
118 {
119 bank->num_sectors = 18;
120 bank->sectors = malloc(sizeof(flash_sector_t) * 18);
121
122 for (i = 0; i < 8; i++)
123 {
124 bank->sectors[i].offset = offset;
125 bank->sectors[i].size = 8 * 1024;
126 offset += bank->sectors[i].size;
127 bank->sectors[i].is_erased = -1;
128 bank->sectors[i].is_protected = 1;
129 }
130 for (i = 8; i < 10; i++)
131 {
132 bank->sectors[i].offset = offset;
133 bank->sectors[i].size = 64 * 1024;
134 offset += bank->sectors[i].size;
135 bank->sectors[i].is_erased = -1;
136 bank->sectors[i].is_protected = 1;
137 }
138 for (i = 10; i < 18; i++)
139 {
140 bank->sectors[i].offset = offset;
141 bank->sectors[i].size = 8 * 1024;
142 offset += bank->sectors[i].size;
143 bank->sectors[i].is_erased = -1;
144 bank->sectors[i].is_protected = 1;
145 }
146 }
147 else
148 {
149 LOG_ERROR("BUG: unknown bank->size encountered");
150 exit(-1);
151 }
152 }
153 else if (lpc2000_info->variant == 2)
154 {
155 int num_sectors;
156 int i;
157 u32 offset = 0;
158
159 /* variant 2 has a uniform layout, only number of sectors differs */
160 switch (bank->size)
161 {
162 case 4 * 1024:
163 lpc2000_info->cmd51_max_buffer = 1024;
164 num_sectors = 1;
165 break;
166 case 8 * 1024:
167 lpc2000_info->cmd51_max_buffer = 1024;
168 num_sectors = 2;
169 break;
170 case 16 * 1024:
171 num_sectors = 4;
172 break;
173 case 32 * 1024:
174 num_sectors = 8;
175 break;
176 case 64 * 1024:
177 num_sectors = 9;
178 break;
179 case 128 * 1024:
180 num_sectors = 11;
181 break;
182 case 256 * 1024:
183 num_sectors = 15;
184 break;
185 case 512 * 1024:
186 case 500 * 1024:
187 num_sectors = 27;
188 break;
189 default:
190 LOG_ERROR("BUG: unknown bank->size encountered");
191 exit(-1);
192 break;
193 }
194
195 bank->num_sectors = num_sectors;
196 bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
197
198 for (i = 0; i < num_sectors; i++)
199 {
200 if ((i >= 0) && (i < 8))
201 {
202 bank->sectors[i].offset = offset;
203 bank->sectors[i].size = 4 * 1024;
204 offset += bank->sectors[i].size;
205 bank->sectors[i].is_erased = -1;
206 bank->sectors[i].is_protected = 1;
207 }
208 if ((i >= 8) && (i < 22))
209 {
210 bank->sectors[i].offset = offset;
211 bank->sectors[i].size = 32 * 1024;
212 offset += bank->sectors[i].size;
213 bank->sectors[i].is_erased = -1;
214 bank->sectors[i].is_protected = 1;
215 }
216 if ((i >= 22) && (i < 27))
217 {
218 bank->sectors[i].offset = offset;
219 bank->sectors[i].size = 4 * 1024;
220 offset += bank->sectors[i].size;
221 bank->sectors[i].is_erased = -1;
222 bank->sectors[i].is_protected = 1;
223 }
224 }
225 }
226 else
227 {
228 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
229 exit(-1);
230 }
231
232 return ERROR_OK;
233 }
234
235 /* call LPC2000 IAP function
236 * uses 172 bytes working area
237 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
238 * 0x8 to 0x1f: command parameter table
239 * 0x20 to 0x2b: command result table
240 * 0x2c to 0xac: stack (only 128b needed)
241 */
242 int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
243 {
244 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
245 target_t *target = bank->target;
246 mem_param_t mem_params[2];
247 reg_param_t reg_params[5];
248 armv4_5_algorithm_t armv4_5_info;
249 u32 status_code;
250
251 /* regrab previously allocated working_area, or allocate a new one */
252 if (!lpc2000_info->iap_working_area)
253 {
254 u8 jump_gate[8];
255
256 /* make sure we have a working area */
257 if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
258 {
259 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
260 return ERROR_FLASH_OPERATION_FAILED;
261 }
262
263 /* write IAP code to working area */
264 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
265 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
266 target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
267 }
268
269 armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
270 armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
271 armv4_5_info.core_state = ARMV4_5_STATE_ARM;
272
273 /* command parameter table */
274 init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
275 target_buffer_set_u32(target, mem_params[0].value, code);
276 target_buffer_set_u32(target, mem_params[0].value + 0x4, param_table[0]);
277 target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);
278 target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
279 target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
280 target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
281
282 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
283 buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
284
285 /* command result table */
286 init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
287
288 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
289 buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
290
291 /* IAP entry point */
292 init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
293 buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
294
295 /* IAP stack */
296 init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
297 buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
298
299 /* return address */
300 init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
301 buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
302
303 target->type->run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
304
305 status_code = buf_get_u32(mem_params[1].value, 0, 32);
306 result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
307 result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
308
309 destroy_mem_param(&mem_params[0]);
310 destroy_mem_param(&mem_params[1]);
311
312 destroy_reg_param(&reg_params[0]);
313 destroy_reg_param(&reg_params[1]);
314 destroy_reg_param(&reg_params[2]);
315 destroy_reg_param(&reg_params[3]);
316 destroy_reg_param(&reg_params[4]);
317
318 return status_code;
319 }
320
321 int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
322 {
323 u32 param_table[5];
324 u32 result_table[2];
325 int status_code;
326 int i;
327
328 if ((first < 0) || (last > bank->num_sectors))
329 return ERROR_FLASH_SECTOR_INVALID;
330
331 for (i = first; i <= last; i++)
332 {
333 /* check single sector */
334 param_table[0] = param_table[1] = i;
335 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
336
337 switch (status_code)
338 {
339 case ERROR_FLASH_OPERATION_FAILED:
340 return ERROR_FLASH_OPERATION_FAILED;
341 case LPC2000_CMD_SUCCESS:
342 bank->sectors[i].is_erased = 1;
343 break;
344 case LPC2000_SECTOR_NOT_BLANK:
345 bank->sectors[i].is_erased = 0;
346 break;
347 case LPC2000_INVALID_SECTOR:
348 bank->sectors[i].is_erased = 0;
349 break;
350 case LPC2000_BUSY:
351 return ERROR_FLASH_BUSY;
352 break;
353 default:
354 LOG_ERROR("BUG: unknown LPC2000 status code");
355 exit(-1);
356 }
357 }
358
359 return ERROR_OK;
360 }
361
362 /* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
363 */
364 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
365 {
366 lpc2000_flash_bank_t *lpc2000_info;
367
368 if (argc < 8)
369 {
370 LOG_WARNING("incomplete flash_bank lpc2000 configuration");
371 return ERROR_FLASH_BANK_INVALID;
372 }
373
374 lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
375 bank->driver_priv = lpc2000_info;
376
377 if (strcmp(args[6], "lpc2000_v1") == 0)
378 {
379 lpc2000_info->variant = 1;
380 lpc2000_info->cmd51_dst_boundary = 512;
381 lpc2000_info->cmd51_can_256b = 0;
382 lpc2000_info->cmd51_can_8192b = 1;
383 }
384 else if (strcmp(args[6], "lpc2000_v2") == 0)
385 {
386 lpc2000_info->variant = 2;
387 lpc2000_info->cmd51_dst_boundary = 256;
388 lpc2000_info->cmd51_can_256b = 1;
389 lpc2000_info->cmd51_can_8192b = 0;
390 }
391 else
392 {
393 LOG_ERROR("unknown LPC2000 variant");
394 free(lpc2000_info);
395 return ERROR_FLASH_BANK_INVALID;
396 }
397
398 lpc2000_info->iap_working_area = NULL;
399 lpc2000_info->cclk = strtoul(args[7], NULL, 0);
400 lpc2000_info->calc_checksum = 0;
401 lpc2000_build_sector_list(bank);
402
403 if (argc >= 9)
404 {
405 if (strcmp(args[8], "calc_checksum") == 0)
406 lpc2000_info->calc_checksum = 1;
407 }
408
409 return ERROR_OK;
410 }
411
412 int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
413 {
414 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
415 u32 param_table[5];
416 u32 result_table[2];
417 int status_code;
418
419 if (bank->target->state != TARGET_HALTED)
420 {
421 LOG_ERROR("Target not halted");
422 return ERROR_TARGET_NOT_HALTED;
423 }
424
425 param_table[0] = first;
426 param_table[1] = last;
427 param_table[2] = lpc2000_info->cclk;
428
429 /* Prepare sectors */
430 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
431 switch (status_code)
432 {
433 case ERROR_FLASH_OPERATION_FAILED:
434 return ERROR_FLASH_OPERATION_FAILED;
435 case LPC2000_CMD_SUCCESS:
436 break;
437 case LPC2000_INVALID_SECTOR:
438 return ERROR_FLASH_SECTOR_INVALID;
439 break;
440 default:
441 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
442 return ERROR_FLASH_OPERATION_FAILED;
443 }
444
445 /* Erase sectors */
446 status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
447 switch (status_code)
448 {
449 case ERROR_FLASH_OPERATION_FAILED:
450 return ERROR_FLASH_OPERATION_FAILED;
451 case LPC2000_CMD_SUCCESS:
452 break;
453 case LPC2000_INVALID_SECTOR:
454 return ERROR_FLASH_SECTOR_INVALID;
455 break;
456 default:
457 LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
458 return ERROR_FLASH_OPERATION_FAILED;
459 }
460
461 return ERROR_OK;
462 }
463
464 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
465 {
466 /* can't protect/unprotect on the lpc2000 */
467 return ERROR_OK;
468 }
469
470 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
471 {
472 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
473 target_t *target = bank->target;
474 u32 dst_min_alignment;
475 u32 bytes_remaining = count;
476 u32 bytes_written = 0;
477 int first_sector = 0;
478 int last_sector = 0;
479 u32 param_table[5];
480 u32 result_table[2];
481 int status_code;
482 int i;
483 working_area_t *download_area;
484 int retval = ERROR_OK;
485
486 if (bank->target->state != TARGET_HALTED)
487 {
488 LOG_ERROR("Target not halted");
489 return ERROR_TARGET_NOT_HALTED;
490 }
491
492 if (offset + count > bank->size)
493 return ERROR_FLASH_DST_OUT_OF_BANK;
494
495 if (lpc2000_info->cmd51_can_256b)
496 dst_min_alignment = 256;
497 else
498 dst_min_alignment = 512;
499
500 if (offset % dst_min_alignment)
501 {
502 LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
503 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
504 }
505
506 for (i = 0; i < bank->num_sectors; i++)
507 {
508 if (offset >= bank->sectors[i].offset)
509 first_sector = i;
510 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
511 last_sector = i;
512 }
513
514 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
515
516 /* check if exception vectors should be flashed */
517 if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
518 {
519 u32 checksum = 0;
520 int i = 0;
521 for (i = 0; i < 8; i++)
522 {
523 LOG_DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
524 if (i != 5)
525 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
526 }
527 checksum = 0 - checksum;
528 LOG_DEBUG("checksum: 0x%8.8x", checksum);
529 buf_set_u32(buffer + 0x14, 0, 32, checksum);
530 }
531
532 /* allocate a working area */
533 if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
534 {
535 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
536 return ERROR_FLASH_OPERATION_FAILED;
537 }
538
539 while (bytes_remaining > 0)
540 {
541 u32 thisrun_bytes;
542 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
543 thisrun_bytes = lpc2000_info->cmd51_max_buffer;
544 else if (bytes_remaining >= 1024)
545 thisrun_bytes = 1024;
546 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
547 thisrun_bytes = 512;
548 else
549 thisrun_bytes = 256;
550
551 /* Prepare sectors */
552 param_table[0] = first_sector;
553 param_table[1] = last_sector;
554 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
555 switch (status_code)
556 {
557 case ERROR_FLASH_OPERATION_FAILED:
558 retval = ERROR_FLASH_OPERATION_FAILED;
559 break;
560 case LPC2000_CMD_SUCCESS:
561 break;
562 case LPC2000_INVALID_SECTOR:
563 retval = ERROR_FLASH_SECTOR_INVALID;
564 break;
565 default:
566 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
567 retval = ERROR_FLASH_OPERATION_FAILED;
568 break;
569 }
570
571 /* Exit if error occured */
572 if (retval != ERROR_OK)
573 break;
574
575 if (bytes_remaining >= thisrun_bytes)
576 {
577 if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
578 {
579 retval = ERROR_FLASH_OPERATION_FAILED;
580 break;
581 }
582 }
583 else
584 {
585 u8 *last_buffer = malloc(thisrun_bytes);
586 int i;
587 memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
588 for (i = bytes_remaining; i < thisrun_bytes; i++)
589 last_buffer[i] = 0xff;
590 target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
591 free(last_buffer);
592 }
593
594 LOG_DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
595
596 /* Write data */
597 param_table[0] = bank->base + offset + bytes_written;
598 param_table[1] = download_area->address;
599 param_table[2] = thisrun_bytes;
600 param_table[3] = lpc2000_info->cclk;
601 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
602 switch (status_code)
603 {
604 case ERROR_FLASH_OPERATION_FAILED:
605 retval = ERROR_FLASH_OPERATION_FAILED;
606 break;
607 case LPC2000_CMD_SUCCESS:
608 break;
609 case LPC2000_INVALID_SECTOR:
610 retval = ERROR_FLASH_SECTOR_INVALID;
611 break;
612 default:
613 LOG_WARNING("lpc2000 returned %i", status_code);
614 retval = ERROR_FLASH_OPERATION_FAILED;
615 break;
616 }
617
618 /* Exit if error occured */
619 if (retval != ERROR_OK)
620 break;
621
622 if (bytes_remaining > thisrun_bytes)
623 bytes_remaining -= thisrun_bytes;
624 else
625 bytes_remaining = 0;
626 bytes_written += thisrun_bytes;
627 }
628
629 target_free_working_area(target, download_area);
630
631 return retval;
632 }
633
634 int lpc2000_probe(struct flash_bank_s *bank)
635 {
636 /* we can't probe on an lpc2000
637 * if this is an lpc2xxx, it has the configured flash
638 */
639 return ERROR_OK;
640 }
641
642 int lpc2000_erase_check(struct flash_bank_s *bank)
643 {
644 if (bank->target->state != TARGET_HALTED)
645 {
646 LOG_ERROR("Target not halted");
647 return ERROR_TARGET_NOT_HALTED;
648 }
649
650 return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
651 }
652
653 int lpc2000_protect_check(struct flash_bank_s *bank)
654 {
655 /* sectors are always protected */
656 return ERROR_OK;
657 }
658
659 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
660 {
661 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
662
663 snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
664
665 return ERROR_OK;
666 }
667
668 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
669 {
670 flash_bank_t *bank;
671 u32 param_table[5];
672 u32 result_table[2];
673 int status_code;
674
675 if (argc < 1)
676 {
677 return ERROR_COMMAND_SYNTAX_ERROR;
678 }
679
680 bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
681 if (!bank)
682 {
683 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
684 return ERROR_OK;
685 }
686
687 if (bank->target->state != TARGET_HALTED)
688 {
689 LOG_ERROR("Target not halted");
690 return ERROR_TARGET_NOT_HALTED;
691 }
692
693 if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
694 {
695 if (status_code == ERROR_FLASH_OPERATION_FAILED)
696 {
697 command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
698 return ERROR_OK;
699 }
700 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
701 }
702 else
703 {
704 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
705 }
706
707 return ERROR_OK;
708 }
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