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flash/nor: improved API of flash_driver.info & fixed buffer overruns
[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 * LPC8N04/HNS31xx support Copyright (C) 2018 *
16 * by Jean-Christian de Rivaz jcdr [at] innodelec [dot] ch *
17 * *
18 * This program is free software; you can redistribute it and/or modify *
19 * it under the terms of the GNU General Public License as published by *
20 * the Free Software Foundation; either version 2 of the License, or *
21 * (at your option) any later version. *
22 * *
23 * This program is distributed in the hope that it will be useful, *
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
26 * GNU General Public License for more details. *
27 * *
28 * You should have received a copy of the GNU General Public License *
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
30 ***************************************************************************/
31
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include "imp.h"
37 #include <helper/binarybuffer.h>
38 #include <target/algorithm.h>
39 #include <target/arm_opcodes.h>
40 #include <target/armv7m.h>
41
42 /**
43 * @file
44 * flash programming support for NXP LPC8xx,LPC1xxx,LPC4xxx,LP5410x,LPC2xxx and NHS31xx devices.
45 *
46 * @todo Provide a way to update CCLK after declaring the flash bank. The value which is correct after chip reset will
47 * rarely still work right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
48 */
49 /*
50 * currently supported devices:
51 * variant 1 (lpc2000_v1):
52 * - 2104 | 5 | 6
53 * - 2114 | 9
54 * - 2124 | 9
55 * - 2194
56 * - 2212 | 4
57 * - 2292 | 4
58 *
59 * variant 2 (lpc2000_v2):
60 * - 213x
61 * - 214x
62 * - 2101 | 2 | 3
63 * - 2364 | 6 | 8
64 * - 2378
65 *
66 * lpc1700:
67 * - 175x
68 * - 176x (tested with LPC1768)
69 * - 177x
70 * - 178x (tested with LPC1788)
71 *
72 * lpc4000: (lpc1700's alias)
73 * - 407x
74 * - 408x (tested with LPC4088)
75 *
76 * lpc4300: (also available as lpc1800 - alias)
77 * - 43x2 | 3 | 5 | 7 (tested with LPC4337/LPC4357)
78 * - 18x2 | 3 | 5 | 7
79 *
80 * lpc800:
81 * - 810 | 1 | 2 (tested with LPC810/LPC811/LPC812)
82 * - 822 | 4 (tested with LPC824)
83 * - 8N04
84 * - NHS31xx (tested with NHS3100)
85 * - 844 | 5 (tested with LPC845)
86 *
87 * lpc1100:
88 * - 11xx
89 * - 11Axx
90 * - 11Cxx
91 * - 11Dxx
92 * - 11Exx
93 * - 11Uxx (tested with LPC11U34)
94 * - 131x
95 * - 134x
96 *
97 * lpc1500:
98 * - 15x7 | 8 | 9 (tested with LPC1549)
99 *
100 * lpc54100:
101 * - 54101 | 2 (tested with LPC54102)
102 *
103 * The auto variant auto-detects parts from the following series:
104 * - 11xx
105 * - 11Axx
106 * - 11Cxx
107 * - 11Dxx
108 * - 11Exx
109 * - 11Uxx
110 * - 131x
111 * - 134x
112 * - 175x
113 * - 176x
114 * - 177x
115 * - 178x
116 * - 407x
117 * - 408x
118 * - 81x
119 * - 82x
120 * - 8N04
121 * - NHS31xx
122 */
123
124 /* Part IDs for autodetection */
125 /* A script which can automatically extract part ids from user manuals is available here:
126 * https://github.com/lgeek/lpc_part_ids
127 */
128 #define LPC1110_1 0x0A07102B
129 #define LPC1110_2 0x1A07102B
130 #define LPC1111_002_1 0x0A16D02B
131 #define LPC1111_002_2 0x1A16D02B
132 #define LPC1111_101_1 0x041E502B
133 #define LPC1111_101_2 0x2516D02B
134 #define LPC1111_103_1 0x00010013
135 #define LPC1111_201_1 0x0416502B
136 #define LPC1111_201_2 0x2516902B
137 #define LPC1111_203_1 0x00010012
138 #define LPC1112_101_1 0x042D502B
139 #define LPC1112_101_2 0x2524D02B
140 #define LPC1112_102_1 0x0A24902B
141 #define LPC1112_102_2 0x1A24902B
142 #define LPC1112_103_1 0x00020023
143 #define LPC1112_201_1 0x0425502B
144 #define LPC1112_201_2 0x2524902B
145 #define LPC1112_203_1 0x00020022
146 #define LPC1113_201_1 0x0434502B
147 #define LPC1113_201_2 0x2532902B
148 #define LPC1113_203_1 0x00030032
149 #define LPC1113_301_1 0x0434102B
150 #define LPC1113_301_2 0x2532102B
151 #define LPC1113_303_1 0x00030030
152 #define LPC1114_102_1 0x0A40902B
153 #define LPC1114_102_2 0x1A40902B
154 #define LPC1114_201_1 0x0444502B
155 #define LPC1114_201_2 0x2540902B
156 #define LPC1114_203_1 0x00040042
157 #define LPC1114_301_1 0x0444102B
158 #define LPC1114_301_2 0x2540102B
159 #define LPC1114_303_1 0x00040040
160 #define LPC1114_323_1 0x00040060
161 #define LPC1114_333_1 0x00040070
162 #define LPC1115_303_1 0x00050080
163
164 #define LPC11A02_1 0x4D4C802B
165 #define LPC11A04_1 0x4D80002B
166 #define LPC11A11_001_1 0x455EC02B
167 #define LPC11A12_101_1 0x4574802B
168 #define LPC11A13_201_1 0x458A402B
169 #define LPC11A14_301_1 0x35A0002B
170 #define LPC11A14_301_2 0x45A0002B
171
172 #define LPC11C12_301_1 0x1421102B
173 #define LPC11C14_301_1 0x1440102B
174 #define LPC11C22_301_1 0x1431102B
175 #define LPC11C24_301_1 0x1430102B
176
177 #define LPC11E11_101 0x293E902B
178 #define LPC11E12_201 0x2954502B
179 #define LPC11E13_301 0x296A102B
180 #define LPC11E14_401 0x2980102B
181 #define LPC11E36_501 0x00009C41
182 #define LPC11E37_401 0x00007C45
183 #define LPC11E37_501 0x00007C41
184
185 #define LPC11U12_201_1 0x095C802B
186 #define LPC11U12_201_2 0x295C802B
187 #define LPC11U13_201_1 0x097A802B
188 #define LPC11U13_201_2 0x297A802B
189 #define LPC11U14_201_1 0x0998802B
190 #define LPC11U14_201_2 0x2998802B
191 #define LPC11U23_301 0x2972402B
192 #define LPC11U24_301 0x2988402B
193 #define LPC11U24_401 0x2980002B
194 #define LPC11U34_311 0x0003D440
195 #define LPC11U34_421 0x0001CC40
196 #define LPC11U35_401 0x0001BC40
197 #define LPC11U35_501 0x0000BC40
198 #define LPC11U36_401 0x00019C40
199 #define LPC11U37_401 0x00017C40
200 #define LPC11U37H_401 0x00007C44
201 #define LPC11U37_501 0x00007C40
202
203 #define LPC11E66 0x0000DCC1
204 #define LPC11E67 0x0000BC81
205 #define LPC11E68 0x00007C01
206
207 #define LPC11U66 0x0000DCC8
208 #define LPC11U67_1 0x0000BC88
209 #define LPC11U67_2 0x0000BC80
210 #define LPC11U68_1 0x00007C08
211 #define LPC11U68_2 0x00007C00
212
213 #define LPC1311 0x2C42502B
214 #define LPC1311_1 0x1816902B
215 #define LPC1313 0x2C40102B
216 #define LPC1313_1 0x1830102B
217 #define LPC1315 0x3A010523
218 #define LPC1316 0x1A018524
219 #define LPC1317 0x1A020525
220 #define LPC1342 0x3D01402B
221 #define LPC1343 0x3D00002B
222 #define LPC1343_1 0x3000002B
223 #define LPC1345 0x28010541
224 #define LPC1346 0x08018542
225 #define LPC1347 0x08020543
226
227 #define LPC1751_1 0x25001110
228 #define LPC1751_2 0x25001118
229 #define LPC1752 0x25001121
230 #define LPC1754 0x25011722
231 #define LPC1756 0x25011723
232 #define LPC1758 0x25013F37
233 #define LPC1759 0x25113737
234 #define LPC1763 0x26012033
235 #define LPC1764 0x26011922
236 #define LPC1765 0x26013733
237 #define LPC1766 0x26013F33
238 #define LPC1767 0x26012837
239 #define LPC1768 0x26013F37
240 #define LPC1769 0x26113F37
241 #define LPC1774 0x27011132
242 #define LPC1776 0x27191F43
243 #define LPC1777 0x27193747
244 #define LPC1778 0x27193F47
245 #define LPC1785 0x281D1743
246 #define LPC1786 0x281D1F43
247 #define LPC1787 0x281D3747
248 #define LPC1788 0x281D3F47
249
250 #define LPC4072 0x47011121
251 #define LPC4074 0x47011132
252 #define LPC4076 0x47191F43
253 #define LPC4078 0x47193F47
254 #define LPC4088 0x481D3F47
255
256 #define LPC810_021 0x00008100
257 #define LPC811_001 0x00008110
258 #define LPC812_101 0x00008120
259 #define LPC812_101_1 0x00008121
260 #define LPC812_101_2 0x00008122
261 #define LPC812_101_3 0x00008123
262
263 #define LPC822_101 0x00008221
264 #define LPC822_101_1 0x00008222
265 #define LPC824_201 0x00008241
266 #define LPC824_201_1 0x00008242
267
268 #define LPC8N04 0x00008A04
269 #define NHS3100 0x4e310020
270 #define NHS3152 0x4e315220
271 #define NHS3153 0x4e315320 /* Only specified in Rev.1 of the datasheet */
272
273 #define LPC844_201 0x00008441
274 #define LPC844_201_1 0x00008442
275 #define LPC844_201_2 0x00008444
276
277 #define LPC845_301 0x00008451
278 #define LPC845_301_1 0x00008452
279 #define LPC845_301_2 0x00008453
280 #define LPC845_301_3 0x00008454
281
282 #define IAP_CODE_LEN 0x34
283
284 #define LPC11xx_REG_SECTORS 24
285
286 typedef enum {
287 lpc2000_v1,
288 lpc2000_v2,
289 lpc1700,
290 lpc4300,
291 lpc800,
292 lpc1100,
293 lpc1500,
294 lpc54100,
295 lpc_auto,
296 } lpc2000_variant;
297
298 struct lpc2000_flash_bank {
299 lpc2000_variant variant;
300 uint32_t cclk;
301 int cmd51_dst_boundary;
302 int calc_checksum;
303 uint32_t cmd51_max_buffer;
304 int checksum_vector;
305 uint32_t iap_max_stack;
306 uint32_t lpc4300_bank;
307 uint32_t iap_entry_alternative;
308 bool probed;
309 };
310
311 enum lpc2000_status_codes {
312 LPC2000_CMD_SUCCESS = 0,
313 LPC2000_INVALID_COMMAND = 1,
314 LPC2000_SRC_ADDR_ERROR = 2,
315 LPC2000_DST_ADDR_ERROR = 3,
316 LPC2000_SRC_ADDR_NOT_MAPPED = 4,
317 LPC2000_DST_ADDR_NOT_MAPPED = 5,
318 LPC2000_COUNT_ERROR = 6,
319 LPC2000_INVALID_SECTOR = 7,
320 LPC2000_SECTOR_NOT_BLANK = 8,
321 LPC2000_SECTOR_NOT_PREPARED = 9,
322 LPC2000_COMPARE_ERROR = 10,
323 LPC2000_BUSY = 11,
324 LPC2000_PARAM_ERROR = 12,
325 LPC2000_ADDR_ERROR = 13,
326 LPC2000_ADDR_NOT_MAPPED = 14,
327 LPC2000_CMD_NOT_LOCKED = 15,
328 LPC2000_INVALID_CODE = 16,
329 LPC2000_INVALID_BAUD_RATE = 17,
330 LPC2000_INVALID_STOP_BIT = 18,
331 LPC2000_CRP_ENABLED = 19,
332 LPC2000_INVALID_FLASH_UNIT = 20,
333 LPC2000_USER_CODE_CHECKSUM = 21,
334 LCP2000_ERROR_SETTING_ACTIVE_PARTITION = 22,
335 };
336
337 static int lpc2000_build_sector_list(struct flash_bank *bank)
338 {
339 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
340 uint32_t offset = 0;
341
342 /* default to a 4096 write buffer */
343 lpc2000_info->cmd51_max_buffer = 4096;
344
345 if (lpc2000_info->variant == lpc2000_v1) {
346 lpc2000_info->cmd51_dst_boundary = 512;
347 lpc2000_info->checksum_vector = 5;
348 lpc2000_info->iap_max_stack = 128;
349
350 /* variant 1 has different layout for 128kb and 256kb flashes */
351 if (bank->size == 128 * 1024) {
352 bank->num_sectors = 16;
353 bank->sectors = malloc(sizeof(struct flash_sector) * 16);
354 for (int i = 0; i < 16; i++) {
355 bank->sectors[i].offset = offset;
356 bank->sectors[i].size = 8 * 1024;
357 offset += bank->sectors[i].size;
358 bank->sectors[i].is_erased = -1;
359 bank->sectors[i].is_protected = 1;
360 }
361 } else if (bank->size == 256 * 1024) {
362 bank->num_sectors = 18;
363 bank->sectors = malloc(sizeof(struct flash_sector) * 18);
364
365 for (int i = 0; i < 8; i++) {
366 bank->sectors[i].offset = offset;
367 bank->sectors[i].size = 8 * 1024;
368 offset += bank->sectors[i].size;
369 bank->sectors[i].is_erased = -1;
370 bank->sectors[i].is_protected = 1;
371 }
372 for (int i = 8; i < 10; i++) {
373 bank->sectors[i].offset = offset;
374 bank->sectors[i].size = 64 * 1024;
375 offset += bank->sectors[i].size;
376 bank->sectors[i].is_erased = -1;
377 bank->sectors[i].is_protected = 1;
378 }
379 for (int i = 10; i < 18; i++) {
380 bank->sectors[i].offset = offset;
381 bank->sectors[i].size = 8 * 1024;
382 offset += bank->sectors[i].size;
383 bank->sectors[i].is_erased = -1;
384 bank->sectors[i].is_protected = 1;
385 }
386 } else {
387 LOG_ERROR("BUG: unknown bank->size encountered");
388 exit(-1);
389 }
390 } else if (lpc2000_info->variant == lpc2000_v2) {
391 lpc2000_info->cmd51_dst_boundary = 256;
392 lpc2000_info->checksum_vector = 5;
393 lpc2000_info->iap_max_stack = 128;
394
395 /* variant 2 has a uniform layout, only number of sectors differs */
396 switch (bank->size) {
397 case 4 * 1024:
398 lpc2000_info->cmd51_max_buffer = 1024;
399 bank->num_sectors = 1;
400 break;
401 case 8 * 1024:
402 lpc2000_info->cmd51_max_buffer = 1024;
403 bank->num_sectors = 2;
404 break;
405 case 16 * 1024:
406 bank->num_sectors = 4;
407 break;
408 case 32 * 1024:
409 bank->num_sectors = 8;
410 break;
411 case 64 * 1024:
412 bank->num_sectors = 9;
413 break;
414 case 128 * 1024:
415 bank->num_sectors = 11;
416 break;
417 case 256 * 1024:
418 bank->num_sectors = 15;
419 break;
420 case 500 * 1024:
421 bank->num_sectors = 27;
422 break;
423 case 512 * 1024:
424 case 504 * 1024:
425 bank->num_sectors = 28;
426 break;
427 default:
428 LOG_ERROR("BUG: unknown bank->size encountered");
429 exit(-1);
430 break;
431 }
432
433 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
434
435 for (unsigned int i = 0; i < bank->num_sectors; i++) {
436 if (i < 8) {
437 bank->sectors[i].offset = offset;
438 bank->sectors[i].size = 4 * 1024;
439 offset += bank->sectors[i].size;
440 bank->sectors[i].is_erased = -1;
441 bank->sectors[i].is_protected = 1;
442 } else if (i < 22) {
443 bank->sectors[i].offset = offset;
444 bank->sectors[i].size = 32 * 1024;
445 offset += bank->sectors[i].size;
446 bank->sectors[i].is_erased = -1;
447 bank->sectors[i].is_protected = 1;
448 } else if (i < 28) {
449 bank->sectors[i].offset = offset;
450 bank->sectors[i].size = 4 * 1024;
451 offset += bank->sectors[i].size;
452 bank->sectors[i].is_erased = -1;
453 bank->sectors[i].is_protected = 1;
454 }
455 }
456 } else if (lpc2000_info->variant == lpc1700) {
457 lpc2000_info->cmd51_dst_boundary = 256;
458 lpc2000_info->checksum_vector = 7;
459 lpc2000_info->iap_max_stack = 128;
460
461 switch (bank->size) {
462 case 4 * 1024:
463 lpc2000_info->cmd51_max_buffer = 256;
464 bank->num_sectors = 1;
465 break;
466 case 8 * 1024:
467 lpc2000_info->cmd51_max_buffer = 512;
468 bank->num_sectors = 2;
469 break;
470 case 16 * 1024:
471 lpc2000_info->cmd51_max_buffer = 512;
472 bank->num_sectors = 4;
473 break;
474 case 32 * 1024:
475 lpc2000_info->cmd51_max_buffer = 1024;
476 bank->num_sectors = 8;
477 break;
478 case 64 * 1024:
479 bank->num_sectors = 16;
480 break;
481 case 128 * 1024:
482 bank->num_sectors = 18;
483 break;
484 case 256 * 1024:
485 bank->num_sectors = 22;
486 break;
487 case 512 * 1024:
488 bank->num_sectors = 30;
489 break;
490 default:
491 LOG_ERROR("BUG: unknown bank->size encountered");
492 exit(-1);
493 }
494
495 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
496
497 for (unsigned int i = 0; i < bank->num_sectors; i++) {
498 bank->sectors[i].offset = offset;
499 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx/LPC40xx devices */
500 bank->sectors[i].size = (i < 16) ? 4 * 1024 : 32 * 1024;
501 offset += bank->sectors[i].size;
502 bank->sectors[i].is_erased = -1;
503 bank->sectors[i].is_protected = 1;
504 }
505 } else if (lpc2000_info->variant == lpc4300) {
506 lpc2000_info->cmd51_dst_boundary = 512;
507 lpc2000_info->checksum_vector = 7;
508 lpc2000_info->iap_max_stack = 208;
509
510 switch (bank->size) {
511 case 256 * 1024:
512 bank->num_sectors = 11;
513 break;
514 case 384 * 1024:
515 bank->num_sectors = 13;
516 break;
517 case 512 * 1024:
518 bank->num_sectors = 15;
519 break;
520 default:
521 LOG_ERROR("BUG: unknown bank->size encountered");
522 exit(-1);
523 }
524
525 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
526
527 for (unsigned int i = 0; i < bank->num_sectors; i++) {
528 bank->sectors[i].offset = offset;
529 /* sectors 0-7 are 8kB-sized, 8 and above are 64kB-sized for LPC43xx devices */
530 bank->sectors[i].size = (i < 8) ? 8 * 1024 : 64 * 1024;
531 offset += bank->sectors[i].size;
532 bank->sectors[i].is_erased = -1;
533 bank->sectors[i].is_protected = 1;
534 }
535
536 } else if (lpc2000_info->variant == lpc800) {
537 lpc2000_info->cmd51_dst_boundary = 64;
538 lpc2000_info->checksum_vector = 7;
539 lpc2000_info->iap_max_stack = 208; /* 148byte for LPC81x,208byte for LPC82x. */
540 lpc2000_info->cmd51_max_buffer = 256; /* smallest MCU in the series, LPC810, has 1 kB of SRAM */
541
542 switch (bank->size) {
543 case 4 * 1024:
544 bank->num_sectors = 4;
545 break;
546 case 8 * 1024:
547 bank->num_sectors = 8;
548 break;
549 case 16 * 1024:
550 bank->num_sectors = 16;
551 break;
552 case 30 * 1024:
553 lpc2000_info->cmd51_max_buffer = 1024; /* For LPC8N04 and NHS31xx, have 8kB of SRAM */
554 bank->num_sectors = 30; /* There have only 30kB of writable Flash out of 32kB */
555 break;
556 case 32 * 1024:
557 lpc2000_info->cmd51_max_buffer = 1024; /* For LPC824, has 8kB of SRAM */
558 bank->num_sectors = 32;
559 break;
560 case 64 * 1024:
561 lpc2000_info->cmd51_max_buffer = 1024; /* For LPC844, has 8kB of SRAM */
562 bank->num_sectors = 64;
563 break;
564 default:
565 LOG_ERROR("BUG: unknown bank->size encountered");
566 exit(-1);
567 }
568
569 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
570
571 for (unsigned int i = 0; i < bank->num_sectors; i++) {
572 bank->sectors[i].offset = offset;
573 /* all sectors are 1kB-sized for LPC8xx devices */
574 bank->sectors[i].size = 1 * 1024;
575 offset += bank->sectors[i].size;
576 bank->sectors[i].is_erased = -1;
577 bank->sectors[i].is_protected = 1;
578 }
579
580 } else if (lpc2000_info->variant == lpc1100) {
581 lpc2000_info->cmd51_dst_boundary = 256;
582 lpc2000_info->checksum_vector = 7;
583 lpc2000_info->iap_max_stack = 128;
584
585 if ((bank->size % (4 * 1024)) != 0) {
586 LOG_ERROR("BUG: unknown bank->size encountered,\nLPC1100 flash size must be a multiple of 4096");
587 exit(-1);
588 }
589 lpc2000_info->cmd51_max_buffer = 512; /* smallest MCU in the series, LPC1110, has 1 kB of SRAM */
590 unsigned int large_sectors = 0;
591 unsigned int normal_sectors = bank->size / 4096;
592
593 if (normal_sectors > LPC11xx_REG_SECTORS) {
594 large_sectors = (normal_sectors - LPC11xx_REG_SECTORS) / 8;
595 normal_sectors = LPC11xx_REG_SECTORS;
596 }
597
598 bank->num_sectors = normal_sectors + large_sectors;
599
600 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
601
602 for (unsigned int i = 0; i < bank->num_sectors; i++) {
603 bank->sectors[i].offset = offset;
604 bank->sectors[i].size = (i < LPC11xx_REG_SECTORS ? 4 : 32) * 1024;
605 offset += bank->sectors[i].size;
606 bank->sectors[i].is_erased = -1;
607 bank->sectors[i].is_protected = 1;
608 }
609
610 } else if (lpc2000_info->variant == lpc1500) {
611 lpc2000_info->cmd51_dst_boundary = 256;
612 lpc2000_info->checksum_vector = 7;
613 lpc2000_info->iap_max_stack = 128;
614
615 switch (bank->size) {
616 case 64 * 1024:
617 bank->num_sectors = 16;
618 break;
619 case 128 * 1024:
620 bank->num_sectors = 32;
621 break;
622 case 256 * 1024:
623 bank->num_sectors = 64;
624 break;
625 default:
626 LOG_ERROR("BUG: unknown bank->size encountered");
627 exit(-1);
628 }
629
630 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
631
632 for (unsigned int i = 0; i < bank->num_sectors; i++) {
633 bank->sectors[i].offset = offset;
634 /* all sectors are 4kB-sized */
635 bank->sectors[i].size = 4 * 1024;
636 offset += bank->sectors[i].size;
637 bank->sectors[i].is_erased = -1;
638 bank->sectors[i].is_protected = 1;
639 }
640
641 } else if (lpc2000_info->variant == lpc54100) {
642 lpc2000_info->cmd51_dst_boundary = 256;
643 lpc2000_info->checksum_vector = 7;
644 lpc2000_info->iap_max_stack = 128;
645
646 switch (bank->size) {
647 case 256 * 1024:
648 bank->num_sectors = 8;
649 break;
650 case 512 * 1024:
651 bank->num_sectors = 16;
652 break;
653 default:
654 LOG_ERROR("BUG: unknown bank->size encountered");
655 exit(-1);
656 }
657
658 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
659
660 for (unsigned int i = 0; i < bank->num_sectors; i++) {
661 bank->sectors[i].offset = offset;
662 /* all sectors are 32kB-sized */
663 bank->sectors[i].size = 32 * 1024;
664 offset += bank->sectors[i].size;
665 bank->sectors[i].is_erased = -1;
666 bank->sectors[i].is_protected = 1;
667 }
668
669 } else {
670 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
671 exit(-1);
672 }
673
674 return ERROR_OK;
675 }
676
677 /* this function allocates and initializes working area used for IAP algorithm
678 * uses 52 + max IAP stack bytes working area
679 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
680 * 0x8 to 0x1f: command parameter table (1+5 words)
681 * 0x20 to 0x33: command result table (1+4 words)
682 * 0x34 to 0xb3|0x104: stack
683 * (128b needed for lpc1xxx/2000/5410x, 208b for lpc43xx/lpc82x and 148b for lpc81x)
684 */
685
686 static int lpc2000_iap_working_area_init(struct flash_bank *bank, struct working_area **iap_working_area)
687 {
688 struct target *target = bank->target;
689 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
690
691 if (target_alloc_working_area(target, IAP_CODE_LEN + lpc2000_info->iap_max_stack, iap_working_area) != ERROR_OK) {
692 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
693 return ERROR_FLASH_OPERATION_FAILED;
694 }
695
696 uint8_t jump_gate[8];
697
698 /* write IAP code to working area */
699 switch (lpc2000_info->variant) {
700 case lpc800:
701 case lpc1100:
702 case lpc1500:
703 case lpc1700:
704 case lpc4300:
705 case lpc54100:
706 case lpc_auto:
707 target_buffer_set_u32(target, jump_gate, ARMV4_5_T_BX(12));
708 target_buffer_set_u32(target, jump_gate + 4, ARMV5_T_BKPT(0));
709 break;
710 case lpc2000_v1:
711 case lpc2000_v2:
712 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
713 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
714 break;
715 default:
716 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
717 exit(-1);
718 }
719
720 int retval = target_write_memory(target, (*iap_working_area)->address, 4, 2, jump_gate);
721 if (retval != ERROR_OK) {
722 LOG_ERROR("Write memory at address " TARGET_ADDR_FMT " failed (check work_area definition)",
723 (*iap_working_area)->address);
724 target_free_working_area(target, *iap_working_area);
725 }
726
727 return retval;
728 }
729
730 /* call LPC8xx/LPC1xxx/LPC4xxx/LPC5410x/LPC2000 IAP function */
731
732 static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_working_area, int code,
733 uint32_t param_table[5], uint32_t result_table[4])
734 {
735 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
736 struct target *target = bank->target;
737
738 struct arm_algorithm arm_algo; /* for LPC2000 */
739 struct armv7m_algorithm armv7m_info; /* for LPC8xx/LPC1xxx/LPC4xxx/LPC5410x */
740 uint32_t iap_entry_point = 0; /* to make compiler happier */
741
742 switch (lpc2000_info->variant) {
743 case lpc800:
744 case lpc1100:
745 case lpc1700:
746 case lpc_auto:
747 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
748 armv7m_info.core_mode = ARM_MODE_THREAD;
749 iap_entry_point = 0x1fff1ff1;
750 break;
751 case lpc1500:
752 case lpc54100:
753 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
754 armv7m_info.core_mode = ARM_MODE_THREAD;
755 iap_entry_point = 0x03000205;
756 break;
757 case lpc2000_v1:
758 case lpc2000_v2:
759 arm_algo.common_magic = ARM_COMMON_MAGIC;
760 arm_algo.core_mode = ARM_MODE_SVC;
761 arm_algo.core_state = ARM_STATE_ARM;
762 iap_entry_point = 0x7ffffff1;
763 break;
764 case lpc4300:
765 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
766 armv7m_info.core_mode = ARM_MODE_THREAD;
767 /* read out IAP entry point from ROM driver table at 0x10400100 */
768 target_read_u32(target, 0x10400100, &iap_entry_point);
769 break;
770 default:
771 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
772 exit(-1);
773 }
774
775 if (lpc2000_info->iap_entry_alternative != 0x0)
776 iap_entry_point = lpc2000_info->iap_entry_alternative;
777
778 struct mem_param mem_params[2];
779
780 /* command parameter table */
781 init_mem_param(&mem_params[0], iap_working_area->address + 8, 6 * 4, PARAM_OUT);
782 target_buffer_set_u32(target, mem_params[0].value, code);
783 target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
784 target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
785 target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
786 target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
787 target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
788
789 struct reg_param reg_params[5];
790
791 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
792 buf_set_u32(reg_params[0].value, 0, 32, iap_working_area->address + 0x08);
793
794 /* command result table */
795 init_mem_param(&mem_params[1], iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
796
797 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
798 buf_set_u32(reg_params[1].value, 0, 32, iap_working_area->address + 0x20);
799
800 /* IAP entry point */
801 init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
802 buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
803
804 switch (lpc2000_info->variant) {
805 case lpc800:
806 case lpc1100:
807 case lpc1500:
808 case lpc1700:
809 case lpc4300:
810 case lpc54100:
811 case lpc_auto:
812 /* IAP stack */
813 init_reg_param(&reg_params[3], "sp", 32, PARAM_OUT);
814 buf_set_u32(reg_params[3].value, 0, 32,
815 iap_working_area->address + IAP_CODE_LEN + lpc2000_info->iap_max_stack);
816
817 /* return address */
818 init_reg_param(&reg_params[4], "lr", 32, PARAM_OUT);
819 buf_set_u32(reg_params[4].value, 0, 32, (iap_working_area->address + 0x04) | 1);
820 /* bit0 of LR = 1 to return in Thumb mode */
821
822 target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address, 0, 10000,
823 &armv7m_info);
824 break;
825 case lpc2000_v1:
826 case lpc2000_v2:
827 /* IAP stack */
828 init_reg_param(&reg_params[3], "sp_svc", 32, PARAM_OUT);
829 buf_set_u32(reg_params[3].value, 0, 32,
830 iap_working_area->address + IAP_CODE_LEN + lpc2000_info->iap_max_stack);
831
832 /* return address */
833 init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
834 buf_set_u32(reg_params[4].value, 0, 32, iap_working_area->address + 0x04);
835
836 target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address,
837 iap_working_area->address + 0x4, 10000, &arm_algo);
838 break;
839 default:
840 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
841 exit(-1);
842 }
843
844 int status_code = target_buffer_get_u32(target, mem_params[1].value);
845 result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
846 result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
847 result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
848 result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
849
850 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
851 ") completed with result = %8.8x",
852 code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
853
854 destroy_mem_param(&mem_params[0]);
855 destroy_mem_param(&mem_params[1]);
856
857 destroy_reg_param(&reg_params[0]);
858 destroy_reg_param(&reg_params[1]);
859 destroy_reg_param(&reg_params[2]);
860 destroy_reg_param(&reg_params[3]);
861 destroy_reg_param(&reg_params[4]);
862
863 return status_code;
864 }
865
866 static int lpc2000_iap_blank_check(struct flash_bank *bank, unsigned int first,
867 unsigned int last)
868 {
869 if (last >= bank->num_sectors)
870 return ERROR_FLASH_SECTOR_INVALID;
871
872 uint32_t param_table[5] = {0};
873 uint32_t result_table[4];
874 struct working_area *iap_working_area;
875
876 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
877
878 if (retval != ERROR_OK)
879 return retval;
880
881 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
882 if (lpc2000_info->variant == lpc4300)
883 param_table[2] = lpc2000_info->lpc4300_bank;
884
885 for (unsigned int i = first; i <= last && retval == ERROR_OK; i++) {
886 /* check single sector */
887 param_table[0] = param_table[1] = i;
888 int status_code = lpc2000_iap_call(bank, iap_working_area, 53, param_table, result_table);
889
890 switch (status_code) {
891 case ERROR_FLASH_OPERATION_FAILED:
892 retval = ERROR_FLASH_OPERATION_FAILED;
893 break;
894 case LPC2000_CMD_SUCCESS:
895 bank->sectors[i].is_erased = 1;
896 break;
897 case LPC2000_SECTOR_NOT_BLANK:
898 bank->sectors[i].is_erased = 0;
899 break;
900 case LPC2000_INVALID_SECTOR:
901 bank->sectors[i].is_erased = 0;
902 break;
903 case LPC2000_BUSY:
904 retval = ERROR_FLASH_BUSY;
905 break;
906 default:
907 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
908 exit(-1);
909 }
910 }
911
912 struct target *target = bank->target;
913 target_free_working_area(target, iap_working_area);
914
915 return retval;
916 }
917
918 /*
919 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
920 */
921 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
922 {
923 if (CMD_ARGC < 8)
924 return ERROR_COMMAND_SYNTAX_ERROR;
925
926 struct lpc2000_flash_bank *lpc2000_info = calloc(1, sizeof(*lpc2000_info));
927 lpc2000_info->probed = false;
928
929 bank->driver_priv = lpc2000_info;
930
931 if (strcmp(CMD_ARGV[6], "lpc2000_v1") == 0) {
932 lpc2000_info->variant = lpc2000_v1;
933 } else if (strcmp(CMD_ARGV[6], "lpc2000_v2") == 0) {
934 lpc2000_info->variant = lpc2000_v2;
935 } else if (strcmp(CMD_ARGV[6], "lpc1700") == 0 || strcmp(CMD_ARGV[6], "lpc4000") == 0) {
936 lpc2000_info->variant = lpc1700;
937 } else if (strcmp(CMD_ARGV[6], "lpc1800") == 0 || strcmp(CMD_ARGV[6], "lpc4300") == 0) {
938 lpc2000_info->variant = lpc4300;
939 } else if (strcmp(CMD_ARGV[6], "lpc800") == 0) {
940 lpc2000_info->variant = lpc800;
941 } else if (strcmp(CMD_ARGV[6], "lpc1100") == 0) {
942 lpc2000_info->variant = lpc1100;
943 } else if (strcmp(CMD_ARGV[6], "lpc1500") == 0) {
944 lpc2000_info->variant = lpc1500;
945 } else if (strcmp(CMD_ARGV[6], "lpc54100") == 0) {
946 lpc2000_info->variant = lpc54100;
947 } else if (strcmp(CMD_ARGV[6], "auto") == 0) {
948 lpc2000_info->variant = lpc_auto;
949 } else {
950 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
951 free(lpc2000_info);
952 return ERROR_FLASH_BANK_INVALID;
953 }
954
955 /* Maximum size required for the IAP stack.
956 This value only gets used when probing, only for auto, lpc1100 and lpc1700.
957 We use the maximum size for any part supported by the driver(!) to be safe
958 in case the auto variant is mistakenly used on a MCU from one of the series
959 for which we don't support auto-probing. */
960 lpc2000_info->iap_max_stack = 208;
961
962 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
963 lpc2000_info->calc_checksum = 0;
964
965 uint32_t temp_base = 0;
966 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], temp_base);
967 if (temp_base >= 0x1B000000)
968 lpc2000_info->lpc4300_bank = 1; /* bank B */
969 else
970 lpc2000_info->lpc4300_bank = 0; /* bank A */
971
972 if (CMD_ARGC >= 9) {
973 if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
974 lpc2000_info->calc_checksum = 1;
975 }
976 if (CMD_ARGC >= 10 && !lpc2000_info->iap_entry_alternative)
977 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[9], lpc2000_info->iap_entry_alternative);
978
979 return ERROR_OK;
980 }
981
982 static int lpc2000_erase(struct flash_bank *bank, unsigned int first,
983 unsigned int last)
984 {
985 if (bank->target->state != TARGET_HALTED) {
986 LOG_ERROR("Target not halted");
987 return ERROR_TARGET_NOT_HALTED;
988 }
989
990 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
991 uint32_t param_table[5] = {0};
992
993 param_table[0] = first;
994 param_table[1] = last;
995
996 if (lpc2000_info->variant == lpc4300)
997 param_table[2] = lpc2000_info->lpc4300_bank;
998 else
999 param_table[2] = lpc2000_info->cclk;
1000
1001 uint32_t result_table[4];
1002 struct working_area *iap_working_area;
1003
1004 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
1005
1006 if (retval != ERROR_OK)
1007 return retval;
1008
1009 if (lpc2000_info->variant == lpc4300)
1010 /* Init IAP Anyway */
1011 lpc2000_iap_call(bank, iap_working_area, 49, param_table, result_table);
1012
1013 /* Prepare sectors */
1014 int status_code = lpc2000_iap_call(bank, iap_working_area, 50, param_table, result_table);
1015 switch (status_code) {
1016 case ERROR_FLASH_OPERATION_FAILED:
1017 retval = ERROR_FLASH_OPERATION_FAILED;
1018 break;
1019 case LPC2000_CMD_SUCCESS:
1020 break;
1021 case LPC2000_INVALID_SECTOR:
1022 retval = ERROR_FLASH_SECTOR_INVALID;
1023 break;
1024 default:
1025 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
1026 retval = ERROR_FLASH_OPERATION_FAILED;
1027 break;
1028 }
1029
1030 if (retval == ERROR_OK) {
1031 /* Erase sectors */
1032 param_table[2] = lpc2000_info->cclk;
1033 if (lpc2000_info->variant == lpc4300)
1034 param_table[3] = lpc2000_info->lpc4300_bank;
1035
1036 status_code = lpc2000_iap_call(bank, iap_working_area, 52, param_table, result_table);
1037 switch (status_code) {
1038 case ERROR_FLASH_OPERATION_FAILED:
1039 retval = ERROR_FLASH_OPERATION_FAILED;
1040 break;
1041 case LPC2000_CMD_SUCCESS:
1042 break;
1043 case LPC2000_INVALID_SECTOR:
1044 retval = ERROR_FLASH_SECTOR_INVALID;
1045 break;
1046 default:
1047 LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
1048 retval = ERROR_FLASH_OPERATION_FAILED;
1049 break;
1050 }
1051 }
1052
1053 struct target *target = bank->target;
1054 target_free_working_area(target, iap_working_area);
1055
1056 return retval;
1057 }
1058
1059 static int lpc2000_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
1060 {
1061 struct target *target = bank->target;
1062
1063 if (bank->target->state != TARGET_HALTED) {
1064 LOG_ERROR("Target not halted");
1065 return ERROR_TARGET_NOT_HALTED;
1066 }
1067
1068 if (offset + count > bank->size)
1069 return ERROR_FLASH_DST_OUT_OF_BANK;
1070
1071 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1072
1073 uint32_t dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
1074
1075 if (offset % dst_min_alignment) {
1076 LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
1077 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1078 }
1079
1080 int first_sector = 0;
1081 int last_sector = 0;
1082
1083 for (unsigned int i = 0; i < bank->num_sectors; i++) {
1084 if (offset >= bank->sectors[i].offset)
1085 first_sector = i;
1086 if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
1087 last_sector = i;
1088 }
1089
1090 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
1091
1092 /* check if exception vectors should be flashed */
1093 if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum) {
1094 assert(lpc2000_info->checksum_vector < 8);
1095 uint32_t checksum = 0;
1096 for (int i = 0; i < 8; i++) {
1097 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
1098 if (i != lpc2000_info->checksum_vector)
1099 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
1100 }
1101 checksum = 0 - checksum;
1102 LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
1103
1104 uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
1105 if (original_value != checksum) {
1106 LOG_WARNING("Boot verification checksum in image (0x%8.8" PRIx32 ") to be written to flash is "
1107 "different from calculated vector checksum (0x%8.8" PRIx32 ").", original_value, checksum);
1108 LOG_WARNING("OpenOCD will write the correct checksum. To remove this warning modify build tools on developer PC to inject correct LPC vector "
1109 "checksum.");
1110 }
1111
1112 /* FIXME: WARNING! This code is broken because it modifies the callers buffer in place. */
1113 buf_set_u32((uint8_t *)buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
1114 }
1115
1116 struct working_area *iap_working_area;
1117
1118 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
1119
1120 if (retval != ERROR_OK)
1121 return retval;
1122
1123 struct working_area *download_area;
1124
1125 /* allocate a working area */
1126 if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK) {
1127 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
1128 target_free_working_area(target, iap_working_area);
1129 return ERROR_FLASH_OPERATION_FAILED;
1130 }
1131
1132 uint32_t bytes_remaining = count;
1133 uint32_t bytes_written = 0;
1134 uint32_t param_table[5] = {0};
1135 uint32_t result_table[4];
1136
1137 if (lpc2000_info->variant == lpc4300)
1138 /* Init IAP Anyway */
1139 lpc2000_iap_call(bank, iap_working_area, 49, param_table, result_table);
1140
1141 while (bytes_remaining > 0) {
1142 uint32_t thisrun_bytes;
1143 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
1144 thisrun_bytes = lpc2000_info->cmd51_max_buffer;
1145 else
1146 thisrun_bytes = lpc2000_info->cmd51_dst_boundary;
1147
1148 /* Prepare sectors */
1149 param_table[0] = first_sector;
1150 param_table[1] = last_sector;
1151
1152 if (lpc2000_info->variant == lpc4300)
1153 param_table[2] = lpc2000_info->lpc4300_bank;
1154 else
1155 param_table[2] = lpc2000_info->cclk;
1156
1157 int status_code = lpc2000_iap_call(bank, iap_working_area, 50, 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 prepare sectors returned %i", status_code);
1169 retval = ERROR_FLASH_OPERATION_FAILED;
1170 break;
1171 }
1172
1173 /* Exit if error occurred */
1174 if (retval != ERROR_OK)
1175 break;
1176
1177 if (bytes_remaining >= thisrun_bytes) {
1178 retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written);
1179 if (retval != ERROR_OK) {
1180 retval = ERROR_FLASH_OPERATION_FAILED;
1181 break;
1182 }
1183 } else {
1184 uint8_t *last_buffer = malloc(thisrun_bytes);
1185 memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
1186 memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
1187 target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
1188 free(last_buffer);
1189 }
1190
1191 LOG_DEBUG("writing 0x%" PRIx32 " bytes to address " TARGET_ADDR_FMT,
1192 thisrun_bytes, bank->base + offset + bytes_written);
1193
1194 /* Write data */
1195 param_table[0] = bank->base + offset + bytes_written;
1196 param_table[1] = download_area->address;
1197 param_table[2] = thisrun_bytes;
1198 param_table[3] = lpc2000_info->cclk;
1199 status_code = lpc2000_iap_call(bank, iap_working_area, 51, param_table, result_table);
1200 switch (status_code) {
1201 case ERROR_FLASH_OPERATION_FAILED:
1202 retval = ERROR_FLASH_OPERATION_FAILED;
1203 break;
1204 case LPC2000_CMD_SUCCESS:
1205 break;
1206 case LPC2000_INVALID_SECTOR:
1207 retval = ERROR_FLASH_SECTOR_INVALID;
1208 break;
1209 default:
1210 LOG_WARNING("lpc2000 returned %i", status_code);
1211 retval = ERROR_FLASH_OPERATION_FAILED;
1212 break;
1213 }
1214
1215 /* Exit if error occurred */
1216 if (retval != ERROR_OK)
1217 break;
1218
1219 if (bytes_remaining > thisrun_bytes)
1220 bytes_remaining -= thisrun_bytes;
1221 else
1222 bytes_remaining = 0;
1223 bytes_written += thisrun_bytes;
1224 }
1225
1226 target_free_working_area(target, iap_working_area);
1227 target_free_working_area(target, download_area);
1228
1229 return retval;
1230 }
1231
1232 static int get_lpc2000_part_id(struct flash_bank *bank, uint32_t *part_id)
1233 {
1234 if (bank->target->state != TARGET_HALTED) {
1235 LOG_ERROR("Target not halted");
1236 return ERROR_TARGET_NOT_HALTED;
1237 }
1238
1239 uint32_t param_table[5] = {0};
1240 uint32_t result_table[4];
1241 struct working_area *iap_working_area;
1242
1243 int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
1244
1245 if (retval != ERROR_OK)
1246 return retval;
1247
1248 /* The status seems to be bogus with the part ID command on some IAP
1249 firmwares, so ignore it. */
1250 lpc2000_iap_call(bank, iap_working_area, 54, param_table, result_table);
1251
1252 struct target *target = bank->target;
1253 target_free_working_area(target, iap_working_area);
1254
1255 /* If the result is zero, the command probably didn't work out. */
1256 if (result_table[0] == 0)
1257 return LPC2000_INVALID_COMMAND;
1258
1259 *part_id = result_table[0];
1260 return LPC2000_CMD_SUCCESS;
1261 }
1262
1263 static int lpc2000_auto_probe_flash(struct flash_bank *bank)
1264 {
1265 uint32_t part_id;
1266 int retval;
1267 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1268
1269 if (bank->target->state != TARGET_HALTED) {
1270 LOG_ERROR("Target not halted");
1271 return ERROR_TARGET_NOT_HALTED;
1272 }
1273
1274 retval = get_lpc2000_part_id(bank, &part_id);
1275 if (retval != LPC2000_CMD_SUCCESS) {
1276 LOG_ERROR("Could not get part ID");
1277 return retval;
1278 }
1279
1280 switch (part_id) {
1281 case LPC1110_1:
1282 case LPC1110_2:
1283 lpc2000_info->variant = lpc1100;
1284 bank->size = 4 * 1024;
1285 break;
1286
1287 case LPC1111_002_1:
1288 case LPC1111_002_2:
1289 case LPC1111_101_1:
1290 case LPC1111_101_2:
1291 case LPC1111_103_1:
1292 case LPC1111_201_1:
1293 case LPC1111_201_2:
1294 case LPC1111_203_1:
1295 case LPC11A11_001_1:
1296 case LPC11E11_101:
1297 case LPC1311:
1298 case LPC1311_1:
1299 lpc2000_info->variant = lpc1100;
1300 bank->size = 8 * 1024;
1301 break;
1302
1303 case LPC1112_101_1:
1304 case LPC1112_101_2:
1305 case LPC1112_102_1:
1306 case LPC1112_102_2:
1307 case LPC1112_103_1:
1308 case LPC1112_201_1:
1309 case LPC1112_201_2:
1310 case LPC1112_203_1:
1311 case LPC11A02_1:
1312 case LPC11C12_301_1:
1313 case LPC11C22_301_1:
1314 case LPC11A12_101_1:
1315 case LPC11E12_201:
1316 case LPC11U12_201_1:
1317 case LPC11U12_201_2:
1318 case LPC1342:
1319 lpc2000_info->variant = lpc1100;
1320 bank->size = 16 * 1024;
1321 break;
1322
1323 case LPC1113_201_1:
1324 case LPC1113_201_2:
1325 case LPC1113_203_1:
1326 case LPC1113_301_1:
1327 case LPC1113_301_2:
1328 case LPC1113_303_1:
1329 case LPC11A13_201_1:
1330 case LPC11E13_301:
1331 case LPC11U13_201_1:
1332 case LPC11U13_201_2:
1333 case LPC11U23_301:
1334 lpc2000_info->variant = lpc1100;
1335 bank->size = 24 * 1024;
1336 break;
1337
1338 case LPC1114_102_1:
1339 case LPC1114_102_2:
1340 case LPC1114_201_1:
1341 case LPC1114_201_2:
1342 case LPC1114_203_1:
1343 case LPC1114_301_1:
1344 case LPC1114_301_2:
1345 case LPC1114_303_1:
1346 case LPC11A04_1:
1347 case LPC11A14_301_1:
1348 case LPC11A14_301_2:
1349 case LPC11C14_301_1:
1350 case LPC11C24_301_1:
1351 case LPC11E14_401:
1352 case LPC11U14_201_1:
1353 case LPC11U14_201_2:
1354 case LPC11U24_301:
1355 case LPC11U24_401:
1356 case LPC1313:
1357 case LPC1313_1:
1358 case LPC1315:
1359 case LPC1343:
1360 case LPC1343_1:
1361 case LPC1345:
1362 lpc2000_info->variant = lpc1100;
1363 bank->size = 32 * 1024;
1364 break;
1365
1366 case LPC1751_1:
1367 case LPC1751_2:
1368 lpc2000_info->variant = lpc1700;
1369 bank->size = 32 * 1024;
1370 break;
1371
1372 case LPC11U34_311:
1373 lpc2000_info->variant = lpc1100;
1374 bank->size = 40 * 1024;
1375 break;
1376
1377 case LPC1114_323_1:
1378 case LPC11U34_421:
1379 case LPC1316:
1380 case LPC1346:
1381 lpc2000_info->variant = lpc1100;
1382 bank->size = 48 * 1024;
1383 break;
1384
1385 case LPC1114_333_1:
1386 lpc2000_info->variant = lpc1100;
1387 bank->size = 56 * 1024;
1388 break;
1389
1390 case LPC1115_303_1:
1391 case LPC11U35_401:
1392 case LPC11U35_501:
1393 case LPC11E66:
1394 case LPC11U66:
1395 case LPC1317:
1396 case LPC1347:
1397 lpc2000_info->variant = lpc1100;
1398 bank->size = 64 * 1024;
1399 break;
1400
1401 case LPC1752:
1402 case LPC4072:
1403 lpc2000_info->variant = lpc1700;
1404 bank->size = 64 * 1024;
1405 break;
1406
1407 case LPC11E36_501:
1408 case LPC11U36_401:
1409 lpc2000_info->variant = lpc1100;
1410 bank->size = 96 * 1024;
1411 break;
1412
1413 case LPC11E37_401:
1414 case LPC11E37_501:
1415 case LPC11U37_401:
1416 case LPC11U37H_401:
1417 case LPC11U37_501:
1418 case LPC11E67:
1419 case LPC11E68:
1420 case LPC11U67_1:
1421 case LPC11U67_2:
1422 lpc2000_info->variant = lpc1100;
1423 bank->size = 128 * 1024;
1424 break;
1425
1426 case LPC1754:
1427 case LPC1764:
1428 case LPC1774:
1429 case LPC4074:
1430 lpc2000_info->variant = lpc1700;
1431 bank->size = 128 * 1024;
1432 break;
1433
1434 case LPC11U68_1:
1435 case LPC11U68_2:
1436 lpc2000_info->variant = lpc1100;
1437 bank->size = 256 * 1024;
1438 break;
1439
1440 case LPC1756:
1441 case LPC1763:
1442 case LPC1765:
1443 case LPC1766:
1444 case LPC1776:
1445 case LPC1785:
1446 case LPC1786:
1447 case LPC4076:
1448 lpc2000_info->variant = lpc1700;
1449 bank->size = 256 * 1024;
1450 break;
1451
1452 case LPC1758:
1453 case LPC1759:
1454 case LPC1767:
1455 case LPC1768:
1456 case LPC1769:
1457 case LPC1777:
1458 case LPC1778:
1459 case LPC1787:
1460 case LPC1788:
1461 case LPC4078:
1462 case LPC4088:
1463 lpc2000_info->variant = lpc1700;
1464 bank->size = 512 * 1024;
1465 break;
1466
1467 case LPC810_021:
1468 lpc2000_info->variant = lpc800;
1469 bank->size = 4 * 1024;
1470 break;
1471
1472 case LPC811_001:
1473 lpc2000_info->variant = lpc800;
1474 bank->size = 8 * 1024;
1475 break;
1476
1477 case LPC812_101:
1478 case LPC812_101_1:
1479 case LPC812_101_2:
1480 case LPC812_101_3:
1481 case LPC822_101:
1482 case LPC822_101_1:
1483 lpc2000_info->variant = lpc800;
1484 bank->size = 16 * 1024;
1485 break;
1486
1487 case LPC824_201:
1488 case LPC824_201_1:
1489 lpc2000_info->variant = lpc800;
1490 bank->size = 32 * 1024;
1491 break;
1492
1493 case LPC8N04:
1494 case NHS3100:
1495 case NHS3152:
1496 case NHS3153:
1497 lpc2000_info->variant = lpc800;
1498 bank->size = 30 * 1024;
1499 break;
1500
1501 case LPC844_201:
1502 case LPC844_201_1:
1503 case LPC844_201_2:
1504 case LPC845_301:
1505 case LPC845_301_1:
1506 case LPC845_301_2:
1507 case LPC845_301_3:
1508 lpc2000_info->variant = lpc800;
1509 bank->size = 64 * 1024;
1510 break;
1511
1512 default:
1513 LOG_ERROR("BUG: unknown Part ID encountered: 0x%" PRIx32, part_id);
1514 exit(-1);
1515 }
1516
1517 return ERROR_OK;
1518 }
1519
1520 static int lpc2000_probe(struct flash_bank *bank)
1521 {
1522 int status;
1523 uint32_t part_id;
1524 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1525
1526 if (!lpc2000_info->probed) {
1527 if (lpc2000_info->variant == lpc_auto) {
1528 status = lpc2000_auto_probe_flash(bank);
1529 if (status != ERROR_OK)
1530 return status;
1531 } else if (lpc2000_info->variant == lpc1100 || lpc2000_info->variant == lpc1700) {
1532 status = get_lpc2000_part_id(bank, &part_id);
1533 if (status == LPC2000_CMD_SUCCESS)
1534 LOG_INFO("If auto-detection fails for this part, please email "
1535 "openocd-devel@lists.sourceforge.net, citing part id 0x%" PRIx32 ".\n", part_id);
1536 }
1537
1538 lpc2000_build_sector_list(bank);
1539 lpc2000_info->probed = true;
1540 }
1541
1542 return ERROR_OK;
1543 }
1544
1545 static int lpc2000_erase_check(struct flash_bank *bank)
1546 {
1547 if (bank->target->state != TARGET_HALTED) {
1548 LOG_ERROR("Target not halted");
1549 return ERROR_TARGET_NOT_HALTED;
1550 }
1551
1552 return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
1553 }
1554
1555 static int get_lpc2000_info(struct flash_bank *bank, struct command_invocation *cmd)
1556 {
1557 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
1558
1559 command_print_sameline(cmd, "lpc2000 flash driver variant: %i, clk: %" PRIu32 "kHz",
1560 lpc2000_info->variant, lpc2000_info->cclk);
1561
1562 return ERROR_OK;
1563 }
1564
1565 COMMAND_HANDLER(lpc2000_handle_part_id_command)
1566 {
1567 if (CMD_ARGC < 1)
1568 return ERROR_COMMAND_SYNTAX_ERROR;
1569
1570 struct flash_bank *bank;
1571 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
1572 if (ERROR_OK != retval)
1573 return retval;
1574
1575 if (bank->target->state != TARGET_HALTED) {
1576 LOG_ERROR("Target not halted");
1577 return ERROR_TARGET_NOT_HALTED;
1578 }
1579
1580 uint32_t part_id;
1581 int status_code = get_lpc2000_part_id(bank, &part_id);
1582 if (status_code != 0x0) {
1583 if (status_code == ERROR_FLASH_OPERATION_FAILED) {
1584 command_print(CMD, "no sufficient working area specified, can't access LPC2000 IAP interface");
1585 } else
1586 command_print(CMD, "lpc2000 IAP returned status code %i", status_code);
1587 } else
1588 command_print(CMD, "lpc2000 part id: 0x%8.8" PRIx32, part_id);
1589
1590 return retval;
1591 }
1592
1593 static const struct command_registration lpc2000_exec_command_handlers[] = {
1594 {
1595 .name = "part_id",
1596 .handler = lpc2000_handle_part_id_command,
1597 .mode = COMMAND_EXEC,
1598 .help = "print part id of lpc2000 flash bank <num>",
1599 .usage = "<bank>",
1600 },
1601 COMMAND_REGISTRATION_DONE
1602 };
1603 static const struct command_registration lpc2000_command_handlers[] = {
1604 {
1605 .name = "lpc2000",
1606 .mode = COMMAND_ANY,
1607 .help = "lpc2000 flash command group",
1608 .usage = "",
1609 .chain = lpc2000_exec_command_handlers,
1610 },
1611 COMMAND_REGISTRATION_DONE
1612 };
1613
1614 const struct flash_driver lpc2000_flash = {
1615 .name = "lpc2000",
1616 .commands = lpc2000_command_handlers,
1617 .flash_bank_command = lpc2000_flash_bank_command,
1618 .erase = lpc2000_erase,
1619 .write = lpc2000_write,
1620 .read = default_flash_read,
1621 .probe = lpc2000_probe,
1622 .auto_probe = lpc2000_probe,
1623 .erase_check = lpc2000_erase_check,
1624 .info = get_lpc2000_info,
1625 .free_driver_priv = default_flash_free_driver_priv,
1626 };
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