15d9eb81c5c4ff29324124199fd33455946195fe
[openocd.git] / src / flash / nor / lpc2000.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * LPC1700 support Copyright (C) 2009 by Audrius Urmanavicius *
6 * didele.deze@gmail.com *
7 * *
8 * LPC1100 variant and auto-probing support Copyright (C) 2014 *
9 * by Cosmin Gorgovan cosmin [at] linux-geek [dot] org *
10 * *
11 * LPC800/LPC1500/LPC54100 support Copyright (C) 2013/2014 *
12 * by Nemui Trinomius *
13 * nemuisan_kawausogasuki@live.jp *
14 * *
15 * This program is free software; you can redistribute it and/or modify *
16 * it under the terms of the GNU General Public License as published by *
17 * the Free Software Foundation; either version 2 of the License, or *
18 * (at your option) any later version. *
19 * *
20 * This program is distributed in the hope that it will be useful, *
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
23 * GNU General Public License for more details. *
24 * *
25 * You should have received a copy of the GNU General Public License *
26 * along with this program; if not, write to the *
27 * Free Software Foundation, Inc., *
28 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
29 ***************************************************************************/
30
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34
35 #include "imp.h"
36 #include <helper/binarybuffer.h>
37 #include <target/algorithm.h>
38 #include <target/arm_opcodes.h>
39 #include <target/armv7m.h>
40
41 /**
42 * @file
43 * flash programming support for NXP LPC8xx,LPC1xxx,LPC4xxx,LP5410x and LPC2xxx devices.
44 *
45 * @todo Provide a way to update CCLK after declaring the flash bank. The value which is correct after chip reset will
46 * rarely still work right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
47 */
48 /*
49 * currently supported devices:
50 * variant 1 (lpc2000_v1):
51 * - 2104 | 5 | 6
52 * - 2114 | 9
53 * - 2124 | 9
54 * - 2194
55 * - 2212 | 4
56 * - 2292 | 4
57 *
58 * variant 2 (lpc2000_v2):
59 * - 213x
60 * - 214x
61 * - 2101 | 2 | 3
62 * - 2364 | 6 | 8
63 * - 2378
64 *
65 * lpc1700:
66 * - 175x
67 * - 176x (tested with LPC1768)
68 * - 177x
69 * - 178x (tested with LPC1788)
70 *
71 * lpc4000: (lpc1700's alias)
72 * - 407x
73 * - 408x (tested with LPC4088)
74 *
75 * lpc4300: (also available as lpc1800 - alias)
76 * - 43x2 | 3 | 5 | 7 (tested with LPC4337/LPC4357)
77 * - 18x2 | 3 | 5 | 7
78 *
79 * lpc800:
80 * - 810 | 1 | 2 (tested with LPC810/LPC811/LPC812)
81 * - 822 | 4 (tested with LPC824)
82 *
83 * lpc1100:
84 * - 11xx
85 * - 11Axx
86 * - 11Cxx
87 * - 11Dxx
88 * - 11Exx
89 * - 11Uxx (tested with LPC11U34)
90 * - 131x
91 * - 134x
92 *
93 * lpc1500:
94 * - 15x7 | 8 | 9 (tested with LPC1549)
95 *
96 * lpc54100:
97 * - 54101 | 2 (tested with LPC54102)
98 *
99 * The auto variant auto-detects parts from the following series:
100 * - 11xx
101 * - 11Axx
102 * - 11Cxx
103 * - 11Dxx
104 * - 11Exx
105 * - 11Uxx
106 * - 131x
107 * - 134x
108 * - 175x
109 * - 176x
110 * - 177x
111 * - 178x
112 * - 407x
113 * - 408x
114 * - 81x
115 * - 82x
116 */
117
118 /* Part IDs for autodetection */
119 /* A script which can automatically extract part ids from user manuals is available here:
120 * https://github.com/lgeek/lpc_part_ids
121 */
122 #define LPC1110_1 0x0A07102B
123 #define LPC1110_2 0x1A07102B
124 #define LPC1111_002_1 0x0A16D02B
125 #define LPC1111_002_2 0x1A16D02B
126 #define LPC1111_101_1 0x041E502B
127 #define LPC1111_101_2 0x2516D02B
128 #define LPC1111_103_1 0x00010013
129 #define LPC1111_201_1 0x0416502B
130 #define LPC1111_201_2 0x2516902B
131 #define LPC1111_203_1 0x00010012
132 #define LPC1112_101_1 0x042D502B
133 #define LPC1112_101_2 0x2524D02B
134 #define LPC1112_102_1 0x0A24902B
135 #define LPC1112_102_2 0x1A24902B
136 #define LPC1112_103_1 0x00020023
137 #define LPC1112_201_1 0x0425502B
138 #define LPC1112_201_2 0x2524902B
139 #define LPC1112_203_1 0x00020022
140 #define LPC1113_201_1 0x0434502B
141 #define LPC1113_201_2 0x2532902B
142 #define LPC1113_203_1 0x00030032
143 #define LPC1113_301_1 0x0434102B
144 #define LPC1113_301_2 0x2532102B
145 #define LPC1113_303_1 0x00030030
146 #define LPC1114_102_1 0x0A40902B
147 #define LPC1114_102_2 0x1A40902B
148 #define LPC1114_201_1 0x0444502B
149 #define LPC1114_201_2 0x2540902B
150 #define LPC1114_203_1 0x00040042
151 #define LPC1114_301_1 0x0444102B
152 #define LPC1114_301_2 0x2540102B
153 #define LPC1114_303_1 0x00040040
154 #define LPC1114_323_1 0x00040060
155 #define LPC1114_333_1 0x00040070
156 #define LPC1115_303_1 0x00050080
157
158 #define LPC11A02_1 0x4D4C802B
159 #define LPC11A04_1 0x4D80002B
160 #define LPC11A11_001_1 0x455EC02B
161 #define LPC11A12_101_1 0x4574802B
162 #define LPC11A13_201_1 0x458A402B
163 #define LPC11A14_301_1 0x35A0002B
164 #define LPC11A14_301_2 0x45A0002B
165
166 #define LPC11C12_301_1 0x1421102B
167 #define LPC11C14_301_1 0x1440102B
168 #define LPC11C22_301_1 0x1431102B
169 #define LPC11C24_301_1 0x1430102B
170
171 #define LPC11E11_101 0x293E902B
172 #define LPC11E12_201 0x2954502B
173 #define LPC11E13_301 0x296A102B
174 #define LPC11E14_401 0x2980102B
175 #define LPC11E36_501 0x00009C41
176 #define LPC11E37_401 0x00007C45
177 #define LPC11E37_501 0x00007C41
178
179 #define LPC11U12_201_1 0x095C802B
180 #define LPC11U12_201_2 0x295C802B
181 #define LPC11U13_201_1 0x097A802B
182 #define LPC11U13_201_2 0x297A802B
183 #define LPC11U14_201_1 0x0998802B
184 #define LPC11U14_201_2 0x2998802B
185 #define LPC11U23_301 0x2972402B
186 #define LPC11U24_301 0x2988402B
187 #define LPC11U24_401 0x2980002B
188 #define LPC11U34_311 0x0003D440
189 #define LPC11U34_421 0x0001CC40
190 #define LPC11U35_401 0x0001BC40
191 #define LPC11U35_501 0x0000BC40
192 #define LPC11U36_401 0x00019C40
193 #define LPC11U37_401 0x00017C40
194 #define LPC11U37H_401 0x00007C44
195 #define LPC11U37_501 0x00007C40
196
197 #define LPC11E66 0x0000DCC1
198 #define LPC11E67 0x0000BC81
199 #define LPC11E68 0x00007C01
200
201 #define LPC11U66 0x0000DCC8
202 #define LPC11U67_1 0x0000BC88
203 #define LPC11U67_2 0x0000BC80
204 #define LPC11U68_1 0x00007C08
205 #define LPC11U68_2 0x00007C00
206
207 #define LPC1311 0x2C42502B
208 #define LPC1311_1 0x1816902B
209 #define LPC1313 0x2C40102B
210 #define LPC1313_1 0x1830102B
211 #define LPC1315 0x3A010523
212 #define LPC1316 0x1A018524
213 #define LPC1317 0x1A020525
214 #define LPC1342 0x3D01402B
215 #define LPC1343 0x3D00002B
216 #define LPC1345 0x28010541
217 #define LPC1346 0x08018542
218 #define LPC1347 0x08020543
219
220 #define LPC1751_1 0x25001110
221 #define LPC1751_2 0x25001118
222 #define LPC1752 0x25001121
223 #define LPC1754 0x25011722
224 #define LPC1756 0x25011723
225 #define LPC1758 0x25013F37
226 #define LPC1759 0x25113737
227 #define LPC1763 0x26012033
228 #define LPC1764 0x26011922
229 #define LPC1765 0x26013733
230 #define LPC1766 0x26013F33
231 #define LPC1767 0x26012837
232 #define LPC1768 0x26013F37
233 #define LPC1769 0x26113F37
234 #define LPC1774 0x27011132
235 #define LPC1776 0x27191F43
236 #define LPC1777 0x27193747
237 #define LPC1778 0x27193F47
238 #define LPC1785 0x281D1743
239 #define LPC1786 0x281D1F43
240 #define LPC1787 0x281D3747
241 #define LPC1788 0x281D3F47
242
243 #define LPC4072 0x47011121
244 #define LPC4074 0x47011132
245 #define LPC4076 0x47191F43
246 #define LPC4078 0x47193F47
247 #define LPC4088 0x481D3F47
248
249 #define LPC810_021 0x00008100
250 #define LPC811_001 0x00008110
251 #define LPC812_101 0x00008120
252 #define LPC812_101_1 0x00008121
253 #define LPC812_101_2 0x00008122
254 #define LPC812_101_3 0x00008123
255
256 #define LPC822_101 0x00008221
257 #define LPC822_101_1 0x00008222
258 #define LPC824_201 0x00008241
259 #define LPC824_201_1 0x00008242
260
261 #define IAP_CODE_LEN 0x34
262
263 typedef enum {
264 lpc2000_v1,
265 lpc2000_v2,
266 lpc1700,
267 lpc4300,
268 lpc800,
269 lpc1100,
270 lpc1500,
271 lpc54100,
272 lpc_auto,
273 } lpc2000_variant;
274
275 struct lpc2000_flash_bank {
276 lpc2000_variant variant;
277 uint32_t cclk;
278 int cmd51_dst_boundary;
279 int calc_checksum;
280 uint32_t cmd51_max_buffer;
281 int checksum_vector;
282 uint32_t iap_max_stack;
283 uint32_t lpc4300_bank;
284 bool probed;
285 };
286
287 enum lpc2000_status_codes {
288 LPC2000_CMD_SUCCESS = 0,
289 LPC2000_INVALID_COMMAND = 1,
290 LPC2000_SRC_ADDR_ERROR = 2,
291 LPC2000_DST_ADDR_ERROR = 3,
292 LPC2000_SRC_ADDR_NOT_MAPPED = 4,
293 LPC2000_DST_ADDR_NOT_MAPPED = 5,
294 LPC2000_COUNT_ERROR = 6,
295 LPC2000_INVALID_SECTOR = 7,
296 LPC2000_SECTOR_NOT_BLANK = 8,
297 LPC2000_SECTOR_NOT_PREPARED = 9,
298 LPC2000_COMPARE_ERROR = 10,
299 LPC2000_BUSY = 11,
300 LPC2000_PARAM_ERROR = 12,
301 LPC2000_ADDR_ERROR = 13,
302 LPC2000_ADDR_NOT_MAPPED = 14,
303 LPC2000_CMD_NOT_LOCKED = 15,
304 LPC2000_INVALID_CODE = 16,
305 LPC2000_INVALID_BAUD_RATE = 17,
306 LPC2000_INVALID_STOP_BIT = 18,
307 LPC2000_CRP_ENABLED = 19,
308 LPC2000_INVALID_FLASH_UNIT = 20,
309 LPC2000_USER_CODE_CHECKSUM = 21,
310 LCP2000_ERROR_SETTING_ACTIVE_PARTITION = 22,
311 };
312
313 static int lpc2000_build_sector_list(struct flash_bank *bank)
314 {
315 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
316 uint32_t offset = 0;
317
318 /* default to a 4096 write buffer */
319 lpc2000_info->cmd51_max_buffer = 4096;
320
321 if (lpc2000_info->variant == lpc2000_v1) {
322 lpc2000_info->cmd51_dst_boundary = 512;
323 lpc2000_info->checksum_vector = 5;
324 lpc2000_info->iap_max_stack = 128;
325
326 /* variant 1 has different layout for 128kb and 256kb flashes */
327 if (bank->size == 128 * 1024) {
328 bank->num_sectors = 16;
329 bank->sectors = malloc(sizeof(struct flash_sector) * 16);
330 for (int i = 0; i < 16; i++) {
331 bank->sectors[i].offset = offset;
332 bank->sectors[i].size = 8 * 1024;
333 offset += bank->sectors[i].size;
334 bank->sectors[i].is_erased = -1;
335 bank->sectors[i].is_protected = 1;
336 }
337 } else if (bank->size == 256 * 1024) {
338 bank->num_sectors = 18;
339 bank->sectors = malloc(sizeof(struct flash_sector) * 18);
340
341 for (int i = 0; i < 8; i++) {
342 bank->sectors[i].offset = offset;
343 bank->sectors[i].size = 8 * 1024;
344 offset += bank->sectors[i].size;
345 bank->sectors[i].is_erased = -1;
346 bank->sectors[i].is_protected = 1;
347 }
348 for (int i = 8; i < 10; i++) {
349 bank->sectors[i].offset = offset;
350 bank->sectors[i].size = 64 * 1024;
351 offset += bank->sectors[i].size;
352 bank->sectors[i].is_erased = -1;
353 bank->sectors[i].is_protected = 1;
354 }
355 for (int i = 10; i < 18; i++) {
356 bank->sectors[i].offset = offset;
357 bank->sectors[i].size = 8 * 1024;
358 offset += bank->sectors[i].size;
359 bank->sectors[i].is_erased = -1;
360 bank->sectors[i].is_protected = 1;
361 }
362 } else {
363 LOG_ERROR("BUG: unknown bank->size encountered");
364 exit(-1);
365 }
366 } else if (lpc2000_info->variant == lpc2000_v2) {
367 lpc2000_info->cmd51_dst_boundary = 256;
368 lpc2000_info->checksum_vector = 5;
369 lpc2000_info->iap_max_stack = 128;
370
371 /* variant 2 has a uniform layout, only number of sectors differs */
372 switch (bank->size) {
373 case 4 * 1024:
374 lpc2000_info->cmd51_max_buffer = 1024;
375 bank->num_sectors = 1;
376 break;
377 case 8 * 1024:
378 lpc2000_info->cmd51_max_buffer = 1024;
379 bank->num_sectors = 2;
380 break;
381 case 16 * 1024:
382 bank->num_sectors = 4;
383 break;
384 case 32 * 1024:
385 bank->num_sectors = 8;
386 break;
387 case 64 * 1024:
388 bank->num_sectors = 9;
389 break;
390 case 128 * 1024:
391 bank->num_sectors = 11;
392 break;
393 case 256 * 1024:
394 bank->num_sectors = 15;
395 break;
396 case 500 * 1024:
397 bank->num_sectors = 27;
398 break;
399 case 512 * 1024:
400 case 504 * 1024:
401 bank->num_sectors = 28;
402 break;
403 default:
404 LOG_ERROR("BUG: unknown bank->size encountered");
405 exit(-1);
406 break;
407 }
408
409 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
410
411 for (int i = 0; i < bank->num_sectors; i++) {
412 if (i < 8) {
413 bank->sectors[i].offset = offset;
414 bank->sectors[i].size = 4 * 1024;
415 offset += bank->sectors[i].size;
416 bank->sectors[i].is_erased = -1;
417 bank->sectors[i].is_protected = 1;
418 } else if (i < 22) {
419 bank->sectors[i].offset = offset;
420 bank->sectors[i].size = 32 * 1024;
421 offset += bank->sectors[i].size;
422 bank->sectors[i].is_erased = -1;
423 bank->sectors[i].is_protected = 1;
424 } else if (i < 28) {
425 bank->sectors[i].offset = offset;
426 bank->sectors[i].size = 4 * 1024;
427 offset += bank->sectors[i].size;
428 bank->sectors[i].is_erased = -1;
429 bank->sectors[i].is_protected = 1;
430 }
431 }
432 } else if (lpc2000_info->variant == lpc1700) {
433 lpc2000_info->cmd51_dst_boundary = 256;
434 lpc2000_info->checksum_vector = 7;
435 lpc2000_info->iap_max_stack = 128;
436
437 switch (bank->size) {
438 case 4 * 1024:
439 lpc2000_info->cmd51_max_buffer = 256;
440 bank->num_sectors = 1;
441 break;
442 case 8 * 1024:
443 lpc2000_info->cmd51_max_buffer = 512;
444 bank->num_sectors = 2;
445 break;
446 case 16 * 1024:
447 lpc2000_info->cmd51_max_buffer = 512;
448 bank->num_sectors = 4;
449 break;
450 case 32 * 1024:
451 lpc2000_info->cmd51_max_buffer = 1024;
452 bank->num_sectors = 8;
453 break;
454 case 64 * 1024:
455 bank->num_sectors = 16;
456 break;
457 case 128 * 1024:
458 bank->num_sectors = 18;
459 break;
460 case 256 * 1024:
461 bank->num_sectors = 22;
462 break;
463 case 512 * 1024:
464 bank->num_sectors = 30;
465 break;
466 default:
467 LOG_ERROR("BUG: unknown bank->size encountered");
468 exit(-1);
469 }
470
471 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
472
473 for (int i = 0; i < bank->num_sectors; i++) {
474 bank->sectors[i].offset = offset;
475 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx/LPC40xx devices */
476 bank->sectors[i].size = (i < 16) ? 4 * 1024 : 32 * 1024;
477 offset += bank->sectors[i].size;
478 bank->sectors[i].is_erased = -1;
479 bank->sectors[i].is_protected = 1;
480 }
481 } else if (lpc2000_info->variant == lpc4300) {
482 lpc2000_info->cmd51_dst_boundary = 512;
483 lpc2000_info->checksum_vector = 7;
484 lpc2000_info->iap_max_stack = 208;
485
486 switch (bank->size) {
487 case 256 * 1024:
488 bank->num_sectors = 11;
489 break;
490 case 384 * 1024:
491 bank->num_sectors = 13;
492 break;
493 case 512 * 1024:
494 bank->num_sectors = 15;
495 break;
496 default:
497 LOG_ERROR("BUG: unknown bank->size encountered");
498 exit(-1);
499 }
500
501 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
502
503 for (int i = 0; i < bank->num_sectors; i++) {
504 bank->sectors[i].offset = offset;
505 /* sectors 0-7 are 8kB-sized, 8 and above are 64kB-sized for LPC43xx devices */
506 bank->sectors[i].size = (i < 8) ? 8 * 1024 : 64 * 1024;
507 offset += bank->sectors[i].size;
508 bank->sectors[i].is_erased = -1;
509 bank->sectors[i].is_protected = 1;
510 }
511
512 } else if (lpc2000_info->variant == lpc800) {
513 lpc2000_info->cmd51_dst_boundary = 64;
514 lpc2000_info->checksum_vector = 7;
515 lpc2000_info->iap_max_stack = 208; /* 148byte for LPC81x,208byte for LPC82x. */
516 lpc2000_info->cmd51_max_buffer = 256; /* smallest MCU in the series, LPC810, has 1 kB of SRAM */
517
518 switch (bank->size) {
519 case 4 * 1024:
520 bank->num_sectors = 4;
521 break;
522 case 8 * 1024:
523 bank->num_sectors = 8;
524 break;
525 case 16 * 1024:
526 bank->num_sectors = 16;
527 break;
528 case 32 * 1024:
529 lpc2000_info->cmd51_max_buffer = 1024; /* For LPC824, has 8kB of SRAM */
530 bank->num_sectors = 32;
531 break;
532 default:
533 LOG_ERROR("BUG: unknown bank->size encountered");
534 exit(-1);
535 }
536
537 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
538
539 for (int i = 0; i < bank->num_sectors; i++) {
540 bank->sectors[i].offset = offset;
541 /* all sectors are 1kB-sized for LPC8xx devices */
542 bank->sectors[i].size = 1 * 1024;
543 offset += bank->sectors[i].size;
544 bank->sectors[i].is_erased = -1;
545 bank->sectors[i].is_protected = 1;
546 }
547
548 } else if (lpc2000_info->variant == lpc1100) {
549 lpc2000_info->cmd51_dst_boundary = 256;
550 lpc2000_info->checksum_vector = 7;
551 lpc2000_info->iap_max_stack = 128;
552
553 if ((bank->size % (4 * 1024)) != 0) {
554 LOG_ERROR("BUG: unknown bank->size encountered,\nLPC1100 flash size must be a multiple of 4096");
555 exit(-1);
556 }
557 lpc2000_info->cmd51_max_buffer = 512; /* smallest MCU in the series, LPC1110, has 1 kB of SRAM */
558 bank->num_sectors = bank->size / 4096;
559
560 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
561
562 for (int i = 0; i < bank->num_sectors; i++) {
563 bank->sectors[i].offset = offset;
564 /* all sectors are 4kB-sized */
565 bank->sectors[i].size = 4 * 1024;
566 offset += bank->sectors[i].size;
567 bank->sectors[i].is_erased = -1;
568 bank->sectors[i].is_protected = 1;
569 }
570
571 } else if (lpc2000_info->variant == lpc1500) {
572 lpc2000_info->cmd51_dst_boundary = 256;
573 lpc2000_info->checksum_vector = 7;
574 lpc2000_info->iap_max_stack = 128;
575
576 switch (bank->size) {
577 case 64 * 1024:
578 bank->num_sectors = 16;
579 break;
580 case 128 * 1024:
581 bank->num_sectors = 32;
582 break;
583 case 256 * 1024:
584 bank->num_sectors = 64;
585 break;
586 default:
587 LOG_ERROR("BUG: unknown bank->size encountered");
588 exit(-1);
589 }
590
591 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
592
593 for (int i = 0; i < bank->num_sectors; i++) {
594 bank->sectors[i].offset = offset;
595 /* all sectors are 4kB-sized */
596 bank->sectors[i].size = 4 * 1024;
597 offset += bank->sectors[i].size;
598 bank->sectors[i].is_erased = -1;
599 bank->sectors[i].is_protected = 1;
600 }
601
602 } else if (lpc2000_info->variant == lpc54100) {
603 lpc2000_info->cmd51_dst_boundary = 256;
604 lpc2000_info->checksum_vector = 7;
605 lpc2000_info->iap_max_stack = 128;
606
607 switch (bank->size) {
608 case 256 * 1024:
609 bank->num_sectors = 8;
610 break;
611 case 512 * 1024:
612 bank->num_sectors = 16;
613 break;
614 default:
615 LOG_ERROR("BUG: unknown bank->size encountered");
616 exit(-1);
617 }
618
619 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
620
621 for (int i = 0; i < bank->num_sectors; i++) {
622 bank->sectors[i].offset = offset;
623 /* all sectors are 32kB-sized */
624 bank->sectors[i].size = 32 * 1024;
625 offset += bank->sectors[i].size;
626 bank->sectors[i].is_erased = -1;
627 bank->sectors[i].is_protected = 1;
628 }
629
630 } else {
631 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
632 exit(-1);
633 }
634
635 return ERROR_OK;
636 }
637
638 /* this function allocates and initializes working area used for IAP algorithm
639 * uses 52 + max IAP stack bytes working area
640 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
641 * 0x8 to 0x1f: command parameter table (1+5 words)
642 * 0x20 to 0x33: command result table (1+4 words)
643 * 0x34 to 0xb3|0x104: stack
644 * (128b needed for lpc1xxx/2000/5410x, 208b for lpc43xx/lpc82x and 148b for lpc81x)
645 */
646
647 static int lpc2000_iap_working_area_init(struct flash_bank *bank, struct working_area **iap_working_area)
648 {
649 struct target *target = bank->target;
650 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
651
652 if (target_alloc_working_area(target, IAP_CODE_LEN + lpc2000_info->iap_max_stack, iap_working_area) != ERROR_OK) {
653 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
654 return ERROR_FLASH_OPERATION_FAILED;
655 }
656
657 uint8_t jump_gate[8];
658
659 /* write IAP code to working area */
660 switch (lpc2000_info->variant) {
661 case lpc800:
662 case lpc1100:
663 case lpc1500:
664 case lpc1700:
665 case lpc4300:
666 case lpc54100:
667 case lpc_auto:
668 target_buffer_set_u32(target, jump_gate, ARMV4_5_T_BX(12));
669 target_buffer_set_u32(target, jump_gate + 4, ARMV5_T_BKPT(0));
670 break;
671 case lpc2000_v1:
672 case lpc2000_v2:
673 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
674 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
675 break;
676 default:
677 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
678 exit(-1);
679 }
680
681 int retval = target_write_memory(target, (*iap_working_area)->address, 4, 2, jump_gate);
682 if (retval != ERROR_OK)
683 LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)",
684 (*iap_working_area)->address);
685
686 return retval;
687 }
688
689 /* call LPC8xx/LPC1xxx/LPC4xxx/LPC5410x/LPC2000 IAP function */
690
691 static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_working_area, int code,
692 uint32_t param_table[5], uint32_t result_table[4])
693 {
694 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
695 struct target *target = bank->target;
696
697 struct arm_algorithm arm_algo; /* for LPC2000 */
698 struct armv7m_algorithm armv7m_info; /* for LPC8xx/LPC1xxx/LPC4xxx/LPC5410x */
699 uint32_t iap_entry_point = 0; /* to make compiler happier */
700
701 switch (lpc2000_info->variant) {
702 case lpc800:
703 case lpc1100:
704 case lpc1700:
705 case lpc_auto:
706 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
707 armv7m_info.core_mode = ARM_MODE_THREAD;
708 iap_entry_point = 0x1fff1ff1;
709 break;
710 case lpc1500:
711 case lpc54100:
712 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
713 armv7m_info.core_mode = ARM_MODE_THREAD;
714 iap_entry_point = 0x03000205;
715 break;
716 case lpc2000_v1:
717 case lpc2000_v2:
718 arm_algo.common_magic = ARM_COMMON_MAGIC;
719 arm_algo.core_mode = ARM_MODE_SVC;
720 arm_algo.core_state = ARM_STATE_ARM;
721 iap_entry_point = 0x7ffffff1;
722 break;
723 case lpc4300:
724 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
725 armv7m_info.core_mode = ARM_MODE_THREAD;
726 /* read out IAP entry point from ROM driver table at 0x10400100 */
727 target_read_u32(target, 0x10400100, &iap_entry_point);
728 break;
729 default:
730 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
731 exit(-1);
732 }
733
734 struct mem_param mem_params[2];
735
736 /* command parameter table */
737 init_mem_param(&mem_params[0], iap_working_area->address + 8, 6 * 4, PARAM_OUT);
738 target_buffer_set_u32(target, mem_params[0].value, code);
739 target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
740 target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
741 target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
742 target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
743 target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
744
745 struct reg_param reg_params[5];
746
747 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
748 buf_set_u32(reg_params[0].value, 0, 32, iap_working_area->address + 0x08);
749
750 /* command result table */
751 init_mem_param(&mem_params[1], iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
752
753 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
754 buf_set_u32(reg_params[1].value, 0, 32, iap_working_area->address + 0x20);
755
756 /* IAP entry point */
757 init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
758 buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
759
760 switch (lpc2000_info->variant) {
761 case lpc800:
762 case lpc1100:
763 case lpc1500:
764 case lpc1700:
765 case lpc4300:
766 case lpc54100:
767 case lpc_auto:
768 /* IAP stack */
769 init_reg_param(&reg_params[3], "sp", 32, PARAM_OUT);
770 buf_set_u32(reg_params[3].value, 0, 32,
771 iap_working_area->address + IAP_CODE_LEN + lpc2000_info->iap_max_stack);
772
773 /* return address */
774 init_reg_param(&reg_params[4], "lr", 32, PARAM_OUT);
775 buf_set_u32(reg_params[4].value, 0, 32, (iap_working_area->address + 0x04) | 1);
776 /* bit0 of LR = 1 to return in Thumb mode */
777
778 target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address, 0, 10000,
779 &armv7m_info);
780 break;
781 case lpc2000_v1:
782 case lpc2000_v2:
783 /* IAP stack */
784 init_reg_param(&reg_params[3], "sp_svc", 32, PARAM_OUT);
785 buf_set_u32(reg_params[3].value, 0, 32,
786 iap_working_area->address + IAP_CODE_LEN + lpc2000_info->iap_max_stack);
787
788 /* return address */
789 init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
790 buf_set_u32(reg_params[4].value, 0, 32, iap_working_area->address + 0x04);
791
792 target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address,
793 iap_working_area->address + 0x4, 10000, &arm_algo);
794 break;
795 default:
796 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
797 exit(-1);
798 }
799
800 int status_code = target_buffer_get_u32(target, mem_params[1].value);
801 result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
802 result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
803 result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
804 result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
805
806 LOG_DEBUG("IAP command = %i (0x%8.8" PRIx32 ", 0x%8.8" PRIx32 ", 0x%8.8" PRIx32 ", 0x%8.8" PRIx32 ", 0x%8.8" PRIx32
807 ") completed with result = %8.8x",
808 code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
809
810 destroy_mem_param(&mem_params[0]);
811 destroy_mem_param(&mem_params[1]);
812
813 destroy_reg_param(&reg_params[0]);
814 destroy_reg_param(&reg_params[1]);
815 destroy_reg_param(&reg_params[2]);
816 destroy_reg_param(&reg_params[3]);
817 destroy_reg_param(&reg_params[4]);
818
819 return status_code;
820 }
821
822 static int lpc2000_iap_blank_check(struct flash_bank *bank, int first, int last)
823 {
824 if ((first < 0) || (last >= bank->num_sectors))
825 return ERROR_FLASH_SECTOR_INVALID;
826
827 uint32_t param_table[5] = {0};
828 uint32_t result_table[4];
829 struct working_area *iap_working_area;
830
831 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
832
833 if (retval != ERROR_OK)
834 return retval;
835
836 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
837 if (lpc2000_info->variant == lpc4300)
838 param_table[2] = lpc2000_info->lpc4300_bank;
839
840 for (int i = first; i <= last && retval == ERROR_OK; i++) {
841 /* check single sector */
842 param_table[0] = param_table[1] = i;
843 int status_code = lpc2000_iap_call(bank, iap_working_area, 53, param_table, result_table);
844
845 switch (status_code) {
846 case ERROR_FLASH_OPERATION_FAILED:
847 retval = ERROR_FLASH_OPERATION_FAILED;
848 break;
849 case LPC2000_CMD_SUCCESS:
850 bank->sectors[i].is_erased = 1;
851 break;
852 case LPC2000_SECTOR_NOT_BLANK:
853 bank->sectors[i].is_erased = 0;
854 break;
855 case LPC2000_INVALID_SECTOR:
856 bank->sectors[i].is_erased = 0;
857 break;
858 case LPC2000_BUSY:
859 retval = ERROR_FLASH_BUSY;
860 break;
861 default:
862 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
863 exit(-1);
864 }
865 }
866
867 struct target *target = bank->target;
868 target_free_working_area(target, iap_working_area);
869
870 return retval;
871 }
872
873 /*
874 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
875 */
876 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
877 {
878 if (CMD_ARGC < 8)
879 return ERROR_COMMAND_SYNTAX_ERROR;
880
881 struct lpc2000_flash_bank *lpc2000_info = calloc(1, sizeof(*lpc2000_info));
882 lpc2000_info->probed = false;
883
884 bank->driver_priv = lpc2000_info;
885
886 if (strcmp(CMD_ARGV[6], "lpc2000_v1") == 0) {
887 lpc2000_info->variant = lpc2000_v1;
888 } else if (strcmp(CMD_ARGV[6], "lpc2000_v2") == 0) {
889 lpc2000_info->variant = lpc2000_v2;
890 } else if (strcmp(CMD_ARGV[6], "lpc1700") == 0 || strcmp(CMD_ARGV[6], "lpc4000") == 0) {
891 lpc2000_info->variant = lpc1700;
892 } else if (strcmp(CMD_ARGV[6], "lpc1800") == 0 || strcmp(CMD_ARGV[6], "lpc4300") == 0) {
893 lpc2000_info->variant = lpc4300;
894 } else if (strcmp(CMD_ARGV[6], "lpc800") == 0) {
895 lpc2000_info->variant = lpc800;
896 } else if (strcmp(CMD_ARGV[6], "lpc1100") == 0) {
897 lpc2000_info->variant = lpc1100;
898 } else if (strcmp(CMD_ARGV[6], "lpc1500") == 0) {
899 lpc2000_info->variant = lpc1500;
900 } else if (strcmp(CMD_ARGV[6], "lpc54100") == 0) {
901 lpc2000_info->variant = lpc54100;
902 } else if (strcmp(CMD_ARGV[6], "auto") == 0) {
903 lpc2000_info->variant = lpc_auto;
904 } else {
905 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
906 free(lpc2000_info);
907 return ERROR_FLASH_BANK_INVALID;
908 }
909
910 /* Maximum size required for the IAP stack.
911 This value only gets used when probing, only for auto, lpc1100 and lpc1700.
912 We use the maximum size for any part supported by the driver(!) to be safe
913 in case the auto variant is mistakenly used on a MCU from one of the series
914 for which we don't support auto-probing. */
915 lpc2000_info->iap_max_stack = 208;
916
917 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
918 lpc2000_info->calc_checksum = 0;
919
920 uint32_t temp_base = 0;
921 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], temp_base);
922 if (temp_base >= 0x1B000000)
923 lpc2000_info->lpc4300_bank = 1; /* bank B */
924 else
925 lpc2000_info->lpc4300_bank = 0; /* bank A */
926
927 if (CMD_ARGC >= 9) {
928 if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
929 lpc2000_info->calc_checksum = 1;
930 }
931
932 return ERROR_OK;
933 }
934
935 static int lpc2000_erase(struct flash_bank *bank, int first, int last)
936 {
937 if (bank->target->state != TARGET_HALTED) {
938 LOG_ERROR("Target not halted");
939 return ERROR_TARGET_NOT_HALTED;
940 }
941
942 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
943 uint32_t param_table[5] = {0};
944
945 param_table[0] = first;
946 param_table[1] = last;
947
948 if (lpc2000_info->variant == lpc4300)
949 param_table[2] = lpc2000_info->lpc4300_bank;
950 else
951 param_table[2] = lpc2000_info->cclk;
952
953 uint32_t result_table[4];
954 struct working_area *iap_working_area;
955
956 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
957
958 if (retval != ERROR_OK)
959 return retval;
960
961 if (lpc2000_info->variant == lpc4300)
962 /* Init IAP Anyway */
963 lpc2000_iap_call(bank, iap_working_area, 49, param_table, result_table);
964
965 /* Prepare sectors */
966 int status_code = lpc2000_iap_call(bank, iap_working_area, 50, param_table, result_table);
967 switch (status_code) {
968 case ERROR_FLASH_OPERATION_FAILED:
969 retval = ERROR_FLASH_OPERATION_FAILED;
970 break;
971 case LPC2000_CMD_SUCCESS:
972 break;
973 case LPC2000_INVALID_SECTOR:
974 retval = ERROR_FLASH_SECTOR_INVALID;
975 break;
976 default:
977 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
978 retval = ERROR_FLASH_OPERATION_FAILED;
979 break;
980 }
981
982 if (retval == ERROR_OK) {
983 /* Erase sectors */
984 param_table[2] = lpc2000_info->cclk;
985 if (lpc2000_info->variant == lpc4300)
986 param_table[3] = lpc2000_info->lpc4300_bank;
987
988 status_code = lpc2000_iap_call(bank, iap_working_area, 52, param_table, result_table);
989 switch (status_code) {
990 case ERROR_FLASH_OPERATION_FAILED:
991 retval = ERROR_FLASH_OPERATION_FAILED;
992 break;
993 case LPC2000_CMD_SUCCESS:
994 break;
995 case LPC2000_INVALID_SECTOR:
996 retval = ERROR_FLASH_SECTOR_INVALID;
997 break;
998 default:
999 LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
1000 retval = ERROR_FLASH_OPERATION_FAILED;
1001 break;
1002 }
1003 }
1004
1005 struct target *target = bank->target;
1006 target_free_working_area(target, iap_working_area);
1007
1008 return retval;
1009 }
1010
1011 static int lpc2000_protect(struct flash_bank *bank, int set, int first, int last)
1012 {
1013 /* can't protect/unprotect on the lpc2000 */
1014 return ERROR_OK;
1015 }
1016
1017 static int lpc2000_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
1018 {
1019 struct target *target = bank->target;
1020
1021 if (bank->target->state != TARGET_HALTED) {
1022 LOG_ERROR("Target not halted");
1023 return ERROR_TARGET_NOT_HALTED;
1024 }
1025
1026 if (offset + count > bank->size)
1027 return ERROR_FLASH_DST_OUT_OF_BANK;
1028
1029 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1030
1031 uint32_t dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
1032
1033 if (offset % dst_min_alignment) {
1034 LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
1035 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1036 }
1037
1038 int first_sector = 0;
1039 int last_sector = 0;
1040
1041 for (int i = 0; i < bank->num_sectors; i++) {
1042 if (offset >= bank->sectors[i].offset)
1043 first_sector = i;
1044 if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
1045 last_sector = i;
1046 }
1047
1048 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
1049
1050 /* check if exception vectors should be flashed */
1051 if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum) {
1052 assert(lpc2000_info->checksum_vector < 8);
1053 uint32_t checksum = 0;
1054 for (int i = 0; i < 8; i++) {
1055 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
1056 if (i != lpc2000_info->checksum_vector)
1057 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
1058 }
1059 checksum = 0 - checksum;
1060 LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
1061
1062 uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
1063 if (original_value != checksum) {
1064 LOG_WARNING("Verification will fail since checksum in image (0x%8.8" PRIx32 ") to be written to flash is "
1065 "different from calculated vector checksum (0x%8.8" PRIx32 ").", original_value, checksum);
1066 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector "
1067 "checksum.");
1068 }
1069
1070 /* FIXME: WARNING! This code is broken because it modifies the callers buffer in place. */
1071 buf_set_u32((uint8_t *)buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
1072 }
1073
1074 struct working_area *iap_working_area;
1075
1076 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
1077
1078 if (retval != ERROR_OK)
1079 return retval;
1080
1081 struct working_area *download_area;
1082
1083 /* allocate a working area */
1084 if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK) {
1085 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
1086 target_free_working_area(target, iap_working_area);
1087 return ERROR_FLASH_OPERATION_FAILED;
1088 }
1089
1090 uint32_t bytes_remaining = count;
1091 uint32_t bytes_written = 0;
1092 uint32_t param_table[5] = {0};
1093 uint32_t result_table[4];
1094
1095 if (lpc2000_info->variant == lpc4300)
1096 /* Init IAP Anyway */
1097 lpc2000_iap_call(bank, iap_working_area, 49, param_table, result_table);
1098
1099 while (bytes_remaining > 0) {
1100 uint32_t thisrun_bytes;
1101 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
1102 thisrun_bytes = lpc2000_info->cmd51_max_buffer;
1103 else
1104 thisrun_bytes = lpc2000_info->cmd51_dst_boundary;
1105
1106 /* Prepare sectors */
1107 param_table[0] = first_sector;
1108 param_table[1] = last_sector;
1109
1110 if (lpc2000_info->variant == lpc4300)
1111 param_table[2] = lpc2000_info->lpc4300_bank;
1112 else
1113 param_table[2] = lpc2000_info->cclk;
1114
1115 int status_code = lpc2000_iap_call(bank, iap_working_area, 50, param_table, result_table);
1116 switch (status_code) {
1117 case ERROR_FLASH_OPERATION_FAILED:
1118 retval = ERROR_FLASH_OPERATION_FAILED;
1119 break;
1120 case LPC2000_CMD_SUCCESS:
1121 break;
1122 case LPC2000_INVALID_SECTOR:
1123 retval = ERROR_FLASH_SECTOR_INVALID;
1124 break;
1125 default:
1126 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
1127 retval = ERROR_FLASH_OPERATION_FAILED;
1128 break;
1129 }
1130
1131 /* Exit if error occured */
1132 if (retval != ERROR_OK)
1133 break;
1134
1135 if (bytes_remaining >= thisrun_bytes) {
1136 retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written);
1137 if (retval != ERROR_OK) {
1138 retval = ERROR_FLASH_OPERATION_FAILED;
1139 break;
1140 }
1141 } else {
1142 uint8_t *last_buffer = malloc(thisrun_bytes);
1143 memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
1144 memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
1145 target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
1146 free(last_buffer);
1147 }
1148
1149 LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32, thisrun_bytes,
1150 bank->base + offset + bytes_written);
1151
1152 /* Write data */
1153 param_table[0] = bank->base + offset + bytes_written;
1154 param_table[1] = download_area->address;
1155 param_table[2] = thisrun_bytes;
1156 param_table[3] = lpc2000_info->cclk;
1157 status_code = lpc2000_iap_call(bank, iap_working_area, 51, param_table, result_table);
1158 switch (status_code) {
1159 case ERROR_FLASH_OPERATION_FAILED:
1160 retval = ERROR_FLASH_OPERATION_FAILED;
1161 break;
1162 case LPC2000_CMD_SUCCESS:
1163 break;
1164 case LPC2000_INVALID_SECTOR:
1165 retval = ERROR_FLASH_SECTOR_INVALID;
1166 break;
1167 default:
1168 LOG_WARNING("lpc2000 returned %i", status_code);
1169 retval = ERROR_FLASH_OPERATION_FAILED;
1170 break;
1171 }
1172
1173 /* Exit if error occured */
1174 if (retval != ERROR_OK)
1175 break;
1176
1177 if (bytes_remaining > thisrun_bytes)
1178 bytes_remaining -= thisrun_bytes;
1179 else
1180 bytes_remaining = 0;
1181 bytes_written += thisrun_bytes;
1182 }
1183
1184 target_free_working_area(target, iap_working_area);
1185 target_free_working_area(target, download_area);
1186
1187 return retval;
1188 }
1189
1190 static int get_lpc2000_part_id(struct flash_bank *bank, uint32_t *part_id)
1191 {
1192 if (bank->target->state != TARGET_HALTED) {
1193 LOG_ERROR("Target not halted");
1194 return ERROR_TARGET_NOT_HALTED;
1195 }
1196
1197 uint32_t param_table[5] = {0};
1198 uint32_t result_table[4];
1199 struct working_area *iap_working_area;
1200
1201 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
1202
1203 if (retval != ERROR_OK)
1204 return retval;
1205
1206 /* The status seems to be bogus with the part ID command on some IAP
1207 firmwares, so ignore it. */
1208 lpc2000_iap_call(bank, iap_working_area, 54, param_table, result_table);
1209
1210 struct target *target = bank->target;
1211 target_free_working_area(target, iap_working_area);
1212
1213 /* If the result is zero, the command probably didn't work out. */
1214 if (result_table[0] == 0)
1215 return LPC2000_INVALID_COMMAND;
1216
1217 *part_id = result_table[0];
1218 return LPC2000_CMD_SUCCESS;
1219 }
1220
1221 static int lpc2000_auto_probe_flash(struct flash_bank *bank)
1222 {
1223 uint32_t part_id;
1224 int retval;
1225 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1226
1227 if (bank->target->state != TARGET_HALTED) {
1228 LOG_ERROR("Target not halted");
1229 return ERROR_TARGET_NOT_HALTED;
1230 }
1231
1232 retval = get_lpc2000_part_id(bank, &part_id);
1233 if (retval != LPC2000_CMD_SUCCESS) {
1234 LOG_ERROR("Could not get part ID");
1235 return retval;
1236 }
1237
1238 switch (part_id) {
1239 case LPC1110_1:
1240 case LPC1110_2:
1241 lpc2000_info->variant = lpc1100;
1242 bank->size = 4 * 1024;
1243 break;
1244
1245 case LPC1111_002_1:
1246 case LPC1111_002_2:
1247 case LPC1111_101_1:
1248 case LPC1111_101_2:
1249 case LPC1111_103_1:
1250 case LPC1111_201_1:
1251 case LPC1111_201_2:
1252 case LPC1111_203_1:
1253 case LPC11A11_001_1:
1254 case LPC11E11_101:
1255 case LPC1311:
1256 case LPC1311_1:
1257 lpc2000_info->variant = lpc1100;
1258 bank->size = 8 * 1024;
1259 break;
1260
1261 case LPC1112_101_1:
1262 case LPC1112_101_2:
1263 case LPC1112_102_1:
1264 case LPC1112_102_2:
1265 case LPC1112_103_1:
1266 case LPC1112_201_1:
1267 case LPC1112_201_2:
1268 case LPC1112_203_1:
1269 case LPC11A02_1:
1270 case LPC11C12_301_1:
1271 case LPC11C22_301_1:
1272 case LPC11A12_101_1:
1273 case LPC11E12_201:
1274 case LPC11U12_201_1:
1275 case LPC11U12_201_2:
1276 case LPC1342:
1277 lpc2000_info->variant = lpc1100;
1278 bank->size = 16 * 1024;
1279 break;
1280
1281 case LPC1113_201_1:
1282 case LPC1113_201_2:
1283 case LPC1113_203_1:
1284 case LPC1113_301_1:
1285 case LPC1113_301_2:
1286 case LPC1113_303_1:
1287 case LPC11A13_201_1:
1288 case LPC11E13_301:
1289 case LPC11U13_201_1:
1290 case LPC11U13_201_2:
1291 case LPC11U23_301:
1292 lpc2000_info->variant = lpc1100;
1293 bank->size = 24 * 1024;
1294 break;
1295
1296 case LPC1114_102_1:
1297 case LPC1114_102_2:
1298 case LPC1114_201_1:
1299 case LPC1114_201_2:
1300 case LPC1114_203_1:
1301 case LPC1114_301_1:
1302 case LPC1114_301_2:
1303 case LPC1114_303_1:
1304 case LPC11A04_1:
1305 case LPC11A14_301_1:
1306 case LPC11A14_301_2:
1307 case LPC11C14_301_1:
1308 case LPC11C24_301_1:
1309 case LPC11E14_401:
1310 case LPC11U14_201_1:
1311 case LPC11U14_201_2:
1312 case LPC11U24_301:
1313 case LPC11U24_401:
1314 case LPC1313:
1315 case LPC1313_1:
1316 case LPC1315:
1317 case LPC1343:
1318 case LPC1345:
1319 lpc2000_info->variant = lpc1100;
1320 bank->size = 32 * 1024;
1321 break;
1322
1323 case LPC1751_1:
1324 case LPC1751_2:
1325 lpc2000_info->variant = lpc1700;
1326 bank->size = 32 * 1024;
1327 break;
1328
1329 case LPC11U34_311:
1330 lpc2000_info->variant = lpc1100;
1331 bank->size = 40 * 1024;
1332 break;
1333
1334 case LPC1114_323_1:
1335 case LPC11U34_421:
1336 case LPC1316:
1337 case LPC1346:
1338 lpc2000_info->variant = lpc1100;
1339 bank->size = 48 * 1024;
1340 break;
1341
1342 case LPC1114_333_1:
1343 lpc2000_info->variant = lpc1100;
1344 bank->size = 56 * 1024;
1345 break;
1346
1347 case LPC1115_303_1:
1348 case LPC11U35_401:
1349 case LPC11U35_501:
1350 case LPC11E66:
1351 case LPC11U66:
1352 case LPC1317:
1353 case LPC1347:
1354 lpc2000_info->variant = lpc1100;
1355 bank->size = 64 * 1024;
1356 break;
1357
1358 case LPC1752:
1359 case LPC4072:
1360 lpc2000_info->variant = lpc1700;
1361 bank->size = 64 * 1024;
1362 break;
1363
1364 case LPC11E36_501:
1365 case LPC11U36_401:
1366 lpc2000_info->variant = lpc1100;
1367 bank->size = 96 * 1024;
1368 break;
1369
1370 case LPC11E37_401:
1371 case LPC11E37_501:
1372 case LPC11U37_401:
1373 case LPC11U37H_401:
1374 case LPC11U37_501:
1375 case LPC11E67:
1376 case LPC11E68:
1377 case LPC11U67_1:
1378 case LPC11U67_2:
1379 lpc2000_info->variant = lpc1100;
1380 bank->size = 128 * 1024;
1381 break;
1382
1383 case LPC1754:
1384 case LPC1764:
1385 case LPC1774:
1386 case LPC4074:
1387 lpc2000_info->variant = lpc1700;
1388 bank->size = 128 * 1024;
1389 break;
1390
1391 case LPC11U68_1:
1392 case LPC11U68_2:
1393 lpc2000_info->variant = lpc1100;
1394 bank->size = 256 * 1024;
1395 break;
1396
1397 case LPC1756:
1398 case LPC1763:
1399 case LPC1765:
1400 case LPC1766:
1401 case LPC1776:
1402 case LPC1785:
1403 case LPC1786:
1404 case LPC4076:
1405 lpc2000_info->variant = lpc1700;
1406 bank->size = 256 * 1024;
1407 break;
1408
1409 case LPC1758:
1410 case LPC1759:
1411 case LPC1767:
1412 case LPC1768:
1413 case LPC1769:
1414 case LPC1777:
1415 case LPC1778:
1416 case LPC1787:
1417 case LPC1788:
1418 case LPC4078:
1419 case LPC4088:
1420 lpc2000_info->variant = lpc1700;
1421 bank->size = 512 * 1024;
1422 break;
1423
1424 case LPC810_021:
1425 lpc2000_info->variant = lpc800;
1426 bank->size = 4 * 1024;
1427 break;
1428
1429 case LPC811_001:
1430 lpc2000_info->variant = lpc800;
1431 bank->size = 8 * 1024;
1432 break;
1433
1434 case LPC812_101:
1435 case LPC812_101_1:
1436 case LPC812_101_2:
1437 case LPC812_101_3:
1438 case LPC822_101:
1439 case LPC822_101_1:
1440 lpc2000_info->variant = lpc800;
1441 bank->size = 16 * 1024;
1442 break;
1443
1444 case LPC824_201:
1445 case LPC824_201_1:
1446 lpc2000_info->variant = lpc800;
1447 bank->size = 32 * 1024;
1448 break;
1449
1450 default:
1451 LOG_ERROR("BUG: unknown Part ID encountered: 0x%x", part_id);
1452 exit(-1);
1453 }
1454
1455 return ERROR_OK;
1456 }
1457
1458 static int lpc2000_probe(struct flash_bank *bank)
1459 {
1460 int status;
1461 uint32_t part_id;
1462 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1463
1464 if (!lpc2000_info->probed) {
1465 if (lpc2000_info->variant == lpc_auto) {
1466 status = lpc2000_auto_probe_flash(bank);
1467 if (status != ERROR_OK)
1468 return status;
1469 } else if (lpc2000_info->variant == lpc1100 || lpc2000_info->variant == lpc1700) {
1470 status = get_lpc2000_part_id(bank, &part_id);
1471 if (status == LPC2000_CMD_SUCCESS)
1472 LOG_INFO("If auto-detection fails for this part, please email "
1473 "openocd-devel@lists.sourceforge.net, citing part id 0x%x.\n", part_id);
1474 }
1475
1476 lpc2000_build_sector_list(bank);
1477 lpc2000_info->probed = true;
1478 }
1479
1480 return ERROR_OK;
1481 }
1482
1483 static int lpc2000_erase_check(struct flash_bank *bank)
1484 {
1485 if (bank->target->state != TARGET_HALTED) {
1486 LOG_ERROR("Target not halted");
1487 return ERROR_TARGET_NOT_HALTED;
1488 }
1489
1490 return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
1491 }
1492
1493 static int lpc2000_protect_check(struct flash_bank *bank)
1494 {
1495 /* sectors are always protected */
1496 return ERROR_OK;
1497 }
1498
1499 static int get_lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
1500 {
1501 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1502
1503 snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz", lpc2000_info->variant,
1504 lpc2000_info->cclk);
1505
1506 return ERROR_OK;
1507 }
1508
1509 COMMAND_HANDLER(lpc2000_handle_part_id_command)
1510 {
1511 if (CMD_ARGC < 1)
1512 return ERROR_COMMAND_SYNTAX_ERROR;
1513
1514 struct flash_bank *bank;
1515 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
1516 if (ERROR_OK != retval)
1517 return retval;
1518
1519 if (bank->target->state != TARGET_HALTED) {
1520 LOG_ERROR("Target not halted");
1521 return ERROR_TARGET_NOT_HALTED;
1522 }
1523
1524 uint32_t part_id;
1525 int status_code = get_lpc2000_part_id(bank, &part_id);
1526 if (status_code != 0x0) {
1527 if (status_code == ERROR_FLASH_OPERATION_FAILED) {
1528 command_print(CMD_CTX, "no sufficient working area specified, can't access LPC2000 IAP interface");
1529 } else
1530 command_print(CMD_CTX, "lpc2000 IAP returned status code %i", status_code);
1531 } else
1532 command_print(CMD_CTX, "lpc2000 part id: 0x%8.8" PRIx32, part_id);
1533
1534 return retval;
1535 }
1536
1537 static const struct command_registration lpc2000_exec_command_handlers[] = {
1538 {
1539 .name = "part_id",
1540 .handler = lpc2000_handle_part_id_command,
1541 .mode = COMMAND_EXEC,
1542 .help = "print part id of lpc2000 flash bank <num>",
1543 .usage = "<bank>",
1544 },
1545 COMMAND_REGISTRATION_DONE
1546 };
1547 static const struct command_registration lpc2000_command_handlers[] = {
1548 {
1549 .name = "lpc2000",
1550 .mode = COMMAND_ANY,
1551 .help = "lpc2000 flash command group",
1552 .usage = "",
1553 .chain = lpc2000_exec_command_handlers,
1554 },
1555 COMMAND_REGISTRATION_DONE
1556 };
1557
1558 struct flash_driver lpc2000_flash = {
1559 .name = "lpc2000",
1560 .commands = lpc2000_command_handlers,
1561 .flash_bank_command = lpc2000_flash_bank_command,
1562 .erase = lpc2000_erase,
1563 .protect = lpc2000_protect,
1564 .write = lpc2000_write,
1565 .read = default_flash_read,
1566 .probe = lpc2000_probe,
1567 .auto_probe = lpc2000_probe,
1568 .erase_check = lpc2000_erase_check,
1569 .protect_check = lpc2000_protect_check,
1570 .info = get_lpc2000_info,
1571 };

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