1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * LPC1700 support Copyright (C) 2009 by Audrius Urmanavicius *
6 * didele.deze@gmail.com *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
31 #include "binarybuffer.h"
34 /* flash programming support for NXP LPC17xx and LPC2xxx devices
35 * currently supported devices:
36 * variant 1 (lpc2000_v1):
44 * variant 2 (lpc2000_v2):
53 * - 176x (tested with LPC1768)
56 static int lpc2000_register_commands(struct command_context_s *cmd_ctx);
57 static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
58 static int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
59 static int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
60 static int lpc2000_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
61 static int lpc2000_probe(struct flash_bank_s *bank);
62 static int lpc2000_erase_check(struct flash_bank_s *bank);
63 static int lpc2000_protect_check(struct flash_bank_s *bank);
64 static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
66 static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 flash_driver_t lpc2000_flash =
71 .register_commands = lpc2000_register_commands,
72 .flash_bank_command = lpc2000_flash_bank_command,
73 .erase = lpc2000_erase,
74 .protect = lpc2000_protect,
75 .write = lpc2000_write,
76 .probe = lpc2000_probe,
77 .auto_probe = lpc2000_probe,
78 .erase_check = lpc2000_erase_check,
79 .protect_check = lpc2000_protect_check,
83 static int lpc2000_register_commands(struct command_context_s *cmd_ctx)
85 command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
87 register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
88 "print part id of lpc2000 flash bank <num>");
93 static int lpc2000_build_sector_list(struct flash_bank_s *bank)
95 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
99 /* default to a 4096 write buffer */
100 lpc2000_info->cmd51_max_buffer = 4096;
102 if (lpc2000_info->variant == lpc2000_v1)
104 /* variant 1 has different layout for 128kb and 256kb flashes */
105 if (bank->size == 128 * 1024)
107 bank->num_sectors = 16;
108 bank->sectors = malloc(sizeof(flash_sector_t) * 16);
109 for (i = 0; i < 16; i++)
111 bank->sectors[i].offset = offset;
112 bank->sectors[i].size = 8 * 1024;
113 offset += bank->sectors[i].size;
114 bank->sectors[i].is_erased = -1;
115 bank->sectors[i].is_protected = 1;
118 else if (bank->size == 256 * 1024)
120 bank->num_sectors = 18;
121 bank->sectors = malloc(sizeof(flash_sector_t) * 18);
123 for (i = 0; i < 8; i++)
125 bank->sectors[i].offset = offset;
126 bank->sectors[i].size = 8 * 1024;
127 offset += bank->sectors[i].size;
128 bank->sectors[i].is_erased = -1;
129 bank->sectors[i].is_protected = 1;
131 for (i = 8; i < 10; i++)
133 bank->sectors[i].offset = offset;
134 bank->sectors[i].size = 64 * 1024;
135 offset += bank->sectors[i].size;
136 bank->sectors[i].is_erased = -1;
137 bank->sectors[i].is_protected = 1;
139 for (i = 10; i < 18; i++)
141 bank->sectors[i].offset = offset;
142 bank->sectors[i].size = 8 * 1024;
143 offset += bank->sectors[i].size;
144 bank->sectors[i].is_erased = -1;
145 bank->sectors[i].is_protected = 1;
150 LOG_ERROR("BUG: unknown bank->size encountered");
154 else if (lpc2000_info->variant == lpc2000_v2)
156 /* variant 2 has a uniform layout, only number of sectors differs */
160 lpc2000_info->cmd51_max_buffer = 1024;
161 bank->num_sectors = 1;
164 lpc2000_info->cmd51_max_buffer = 1024;
165 bank->num_sectors = 2;
168 bank->num_sectors = 4;
171 bank->num_sectors = 8;
174 bank->num_sectors = 9;
177 bank->num_sectors = 11;
180 bank->num_sectors = 15;
184 bank->num_sectors = 27;
187 LOG_ERROR("BUG: unknown bank->size encountered");
192 bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
194 for (i = 0; i < bank->num_sectors; i++)
196 if ((i >= 0) && (i < 8))
198 bank->sectors[i].offset = offset;
199 bank->sectors[i].size = 4 * 1024;
200 offset += bank->sectors[i].size;
201 bank->sectors[i].is_erased = -1;
202 bank->sectors[i].is_protected = 1;
204 if ((i >= 8) && (i < 22))
206 bank->sectors[i].offset = offset;
207 bank->sectors[i].size = 32 * 1024;
208 offset += bank->sectors[i].size;
209 bank->sectors[i].is_erased = -1;
210 bank->sectors[i].is_protected = 1;
212 if ((i >= 22) && (i < 27))
214 bank->sectors[i].offset = offset;
215 bank->sectors[i].size = 4 * 1024;
216 offset += bank->sectors[i].size;
217 bank->sectors[i].is_erased = -1;
218 bank->sectors[i].is_protected = 1;
222 else if (lpc2000_info->variant == lpc1700)
227 bank->num_sectors = 8;
230 bank->num_sectors = 16;
233 bank->num_sectors = 18;
236 bank->num_sectors = 22;
239 bank->num_sectors = 30;
242 LOG_ERROR("BUG: unknown bank->size encountered");
246 bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
248 for(i = 0; i < bank->num_sectors; i++)
250 bank->sectors[i].offset = offset;
251 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
252 bank->sectors[i].size = (i < 16)? 4 * 1024 : 32 * 1024;
253 offset += bank->sectors[i].size;
254 bank->sectors[i].is_erased = -1;
255 bank->sectors[i].is_protected = 1;
260 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
267 /* call LPC1700/LPC2000 IAP function
268 * uses 180 bytes working area
269 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
270 * 0x8 to 0x1f: command parameter table (1+5 words)
271 * 0x20 to 0x33: command result table (1+4 words)
272 * 0x34 to 0xb3: stack (only 128b needed)
274 static int lpc2000_iap_call(flash_bank_t *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
277 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
278 target_t *target = bank->target;
279 mem_param_t mem_params[2];
280 reg_param_t reg_params[5];
281 armv4_5_algorithm_t armv4_5_info; /* for LPC2000 */
282 armv7m_algorithm_t armv7m_info; /* for LPC1700 */
283 uint32_t status_code;
284 uint32_t iap_entry_point = 0; /* to make compiler happier */
286 /* regrab previously allocated working_area, or allocate a new one */
287 if (!lpc2000_info->iap_working_area)
289 uint8_t jump_gate[8];
291 /* make sure we have a working area */
292 if (target_alloc_working_area(target, 180, &lpc2000_info->iap_working_area) != ERROR_OK)
294 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
295 return ERROR_FLASH_OPERATION_FAILED;
298 /* write IAP code to working area */
299 switch(lpc2000_info->variant)
302 target_buffer_set_u32(target, jump_gate, ARMV7M_T_BX(12));
303 target_buffer_set_u32(target, jump_gate + 4, ARMV7M_T_B(0xfffffe));
307 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
308 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
311 LOG_ERROR("BUG: unknown bank->size encountered");
315 if ((retval = target_write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK)
317 LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)", lpc2000_info->iap_working_area->address);
322 switch(lpc2000_info->variant)
325 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
326 armv7m_info.core_mode = ARMV7M_MODE_ANY;
327 iap_entry_point = 0x1fff1ff1;
331 armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
332 armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
333 armv4_5_info.core_state = ARMV4_5_STATE_ARM;
334 iap_entry_point = 0x7ffffff1;
337 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
341 /* command parameter table */
342 init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 6 * 4, PARAM_OUT);
343 target_buffer_set_u32(target, mem_params[0].value, code);
344 target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
345 target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
346 target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
347 target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
348 target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
350 init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
351 buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x08);
353 /* command result table */
354 init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
356 init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
357 buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
359 /* IAP entry point */
360 init_reg_param(®_params[2], "r12", 32, PARAM_OUT);
361 buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
363 switch(lpc2000_info->variant)
367 init_reg_param(®_params[3], "sp", 32, PARAM_OUT);
368 buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
371 init_reg_param(®_params[4], "lr", 32, PARAM_OUT);
372 buf_set_u32(reg_params[4].value, 0, 32, (lpc2000_info->iap_working_area->address + 0x04) | 1); /* bit0 of LR = 1 to return in Thumb mode */
374 target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv7m_info);
379 init_reg_param(®_params[3], "r13_svc", 32, PARAM_OUT);
380 buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
383 init_reg_param(®_params[4], "lr_svc", 32, PARAM_OUT);
384 buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x04);
386 target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
389 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
394 status_code = target_buffer_get_u32(target, mem_params[1].value);
395 result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
396 result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
397 result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
398 result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
400 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") completed with result = %8.8" PRIx32,
401 code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
403 destroy_mem_param(&mem_params[0]);
404 destroy_mem_param(&mem_params[1]);
406 destroy_reg_param(®_params[0]);
407 destroy_reg_param(®_params[1]);
408 destroy_reg_param(®_params[2]);
409 destroy_reg_param(®_params[3]);
410 destroy_reg_param(®_params[4]);
415 static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
417 uint32_t param_table[5];
418 uint32_t result_table[4];
422 if ((first < 0) || (last >= bank->num_sectors))
423 return ERROR_FLASH_SECTOR_INVALID;
425 for (i = first; i <= last; i++)
427 /* check single sector */
428 param_table[0] = param_table[1] = i;
429 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
433 case ERROR_FLASH_OPERATION_FAILED:
434 return ERROR_FLASH_OPERATION_FAILED;
435 case LPC2000_CMD_SUCCESS:
436 bank->sectors[i].is_erased = 1;
438 case LPC2000_SECTOR_NOT_BLANK:
439 bank->sectors[i].is_erased = 0;
441 case LPC2000_INVALID_SECTOR:
442 bank->sectors[i].is_erased = 0;
445 return ERROR_FLASH_BUSY;
448 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
457 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
459 static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
461 lpc2000_flash_bank_t *lpc2000_info;
465 LOG_WARNING("incomplete flash_bank lpc2000 configuration");
466 return ERROR_FLASH_BANK_INVALID;
469 lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
470 bank->driver_priv = lpc2000_info;
472 if (strcmp(args[6], "lpc2000_v1") == 0)
474 lpc2000_info->variant = lpc2000_v1;
475 lpc2000_info->cmd51_dst_boundary = 512;
476 lpc2000_info->cmd51_can_256b = 0;
477 lpc2000_info->cmd51_can_8192b = 1;
478 lpc2000_info->checksum_vector = 5;
480 else if (strcmp(args[6], "lpc2000_v2") == 0)
482 lpc2000_info->variant = lpc2000_v2;
483 lpc2000_info->cmd51_dst_boundary = 256;
484 lpc2000_info->cmd51_can_256b = 1;
485 lpc2000_info->cmd51_can_8192b = 0;
486 lpc2000_info->checksum_vector = 5;
488 else if (strcmp(args[6], "lpc1700") == 0)
490 lpc2000_info->variant = lpc1700;
491 lpc2000_info->cmd51_dst_boundary = 256;
492 lpc2000_info->cmd51_can_256b = 1;
493 lpc2000_info->cmd51_can_8192b = 0;
494 lpc2000_info->checksum_vector = 7;
498 LOG_ERROR("unknown LPC2000 variant: %s", args[6]);
500 return ERROR_FLASH_BANK_INVALID;
503 lpc2000_info->iap_working_area = NULL;
504 lpc2000_info->cclk = strtoul(args[7], NULL, 0);
505 lpc2000_info->calc_checksum = 0;
506 lpc2000_build_sector_list(bank);
510 if (strcmp(args[8], "calc_checksum") == 0)
511 lpc2000_info->calc_checksum = 1;
517 static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
519 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
520 uint32_t param_table[5];
521 uint32_t result_table[4];
524 if (bank->target->state != TARGET_HALTED)
526 LOG_ERROR("Target not halted");
527 return ERROR_TARGET_NOT_HALTED;
530 param_table[0] = first;
531 param_table[1] = last;
532 param_table[2] = lpc2000_info->cclk;
534 /* Prepare sectors */
535 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
538 case ERROR_FLASH_OPERATION_FAILED:
539 return ERROR_FLASH_OPERATION_FAILED;
540 case LPC2000_CMD_SUCCESS:
542 case LPC2000_INVALID_SECTOR:
543 return ERROR_FLASH_SECTOR_INVALID;
546 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
547 return ERROR_FLASH_OPERATION_FAILED;
551 status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
554 case ERROR_FLASH_OPERATION_FAILED:
555 return ERROR_FLASH_OPERATION_FAILED;
556 case LPC2000_CMD_SUCCESS:
558 case LPC2000_INVALID_SECTOR:
559 return ERROR_FLASH_SECTOR_INVALID;
562 LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
563 return ERROR_FLASH_OPERATION_FAILED;
569 static int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
571 /* can't protect/unprotect on the lpc2000 */
575 static int lpc2000_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
577 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
578 target_t *target = bank->target;
579 uint32_t dst_min_alignment;
580 uint32_t bytes_remaining = count;
581 uint32_t bytes_written = 0;
582 int first_sector = 0;
584 uint32_t param_table[5];
585 uint32_t result_table[4];
588 working_area_t *download_area;
589 int retval = ERROR_OK;
591 if (bank->target->state != TARGET_HALTED)
593 LOG_ERROR("Target not halted");
594 return ERROR_TARGET_NOT_HALTED;
597 if (offset + count > bank->size)
598 return ERROR_FLASH_DST_OUT_OF_BANK;
600 dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
602 if (offset % dst_min_alignment)
604 LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
605 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
608 for (i = 0; i < bank->num_sectors; i++)
610 if (offset >= bank->sectors[i].offset)
612 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
616 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
618 /* check if exception vectors should be flashed */
619 if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
621 uint32_t checksum = 0;
623 for (i = 0; i < 8; i++)
625 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
626 if (i != lpc2000_info->checksum_vector)
627 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
629 checksum = 0 - checksum;
630 LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
632 uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
633 if (original_value != checksum)
635 LOG_WARNING("Verification will fail since checksum in image (0x%8.8" PRIx32 ") to be written to flash is different from calculated vector checksum (0x%8.8" PRIx32 ").",
636 original_value, checksum);
637 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
640 buf_set_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
643 /* allocate a working area */
644 if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
646 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
647 return ERROR_FLASH_OPERATION_FAILED;
650 while (bytes_remaining > 0)
652 uint32_t thisrun_bytes;
653 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
654 thisrun_bytes = lpc2000_info->cmd51_max_buffer;
655 else if (bytes_remaining >= 1024)
656 thisrun_bytes = 1024;
657 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
662 /* Prepare sectors */
663 param_table[0] = first_sector;
664 param_table[1] = last_sector;
665 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
668 case ERROR_FLASH_OPERATION_FAILED:
669 retval = ERROR_FLASH_OPERATION_FAILED;
671 case LPC2000_CMD_SUCCESS:
673 case LPC2000_INVALID_SECTOR:
674 retval = ERROR_FLASH_SECTOR_INVALID;
677 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
678 retval = ERROR_FLASH_OPERATION_FAILED;
682 /* Exit if error occured */
683 if (retval != ERROR_OK)
686 if (bytes_remaining >= thisrun_bytes)
688 if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
690 retval = ERROR_FLASH_OPERATION_FAILED;
696 uint8_t *last_buffer = malloc(thisrun_bytes);
697 memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
698 memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
699 target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
703 LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32 , thisrun_bytes, bank->base + offset + bytes_written);
706 param_table[0] = bank->base + offset + bytes_written;
707 param_table[1] = download_area->address;
708 param_table[2] = thisrun_bytes;
709 param_table[3] = lpc2000_info->cclk;
710 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
713 case ERROR_FLASH_OPERATION_FAILED:
714 retval = ERROR_FLASH_OPERATION_FAILED;
716 case LPC2000_CMD_SUCCESS:
718 case LPC2000_INVALID_SECTOR:
719 retval = ERROR_FLASH_SECTOR_INVALID;
722 LOG_WARNING("lpc2000 returned %i", status_code);
723 retval = ERROR_FLASH_OPERATION_FAILED;
727 /* Exit if error occured */
728 if (retval != ERROR_OK)
731 if (bytes_remaining > thisrun_bytes)
732 bytes_remaining -= thisrun_bytes;
735 bytes_written += thisrun_bytes;
738 target_free_working_area(target, download_area);
743 static int lpc2000_probe(struct flash_bank_s *bank)
745 /* we can't probe on an lpc2000
746 * if this is an lpc2xxx, it has the configured flash
751 static int lpc2000_erase_check(struct flash_bank_s *bank)
753 if (bank->target->state != TARGET_HALTED)
755 LOG_ERROR("Target not halted");
756 return ERROR_TARGET_NOT_HALTED;
759 return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
762 static int lpc2000_protect_check(struct flash_bank_s *bank)
764 /* sectors are always protected */
768 static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
770 lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
772 snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz" , lpc2000_info->variant, lpc2000_info->cclk);
777 static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
780 uint32_t param_table[5];
781 uint32_t result_table[4];
786 return ERROR_COMMAND_SYNTAX_ERROR;
789 bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
792 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
796 if (bank->target->state != TARGET_HALTED)
798 LOG_ERROR("Target not halted");
799 return ERROR_TARGET_NOT_HALTED;
802 if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
804 if (status_code == ERROR_FLASH_OPERATION_FAILED)
806 command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
809 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
813 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8" PRIx32 , result_table[0]);