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 ***************************************************************************/
29 #include <helper/binarybuffer.h>
30 #include <target/algorithm.h>
31 #include <target/arm_opcodes.h>
32 #include <target/armv7m.h>
36 * flash programming support for NXP LPC17xx and LPC2xxx devices.
38 * @todo Provide a way to update CCLK after declaring the flash bank.
39 * The value which is correct after chip reset will rarely still work
40 * right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
43 * currently supported devices:
44 * variant 1 (lpc2000_v1):
52 * variant 2 (lpc2000_v2):
61 * - 176x (tested with LPC1768)
71 struct lpc2000_flash_bank
73 lpc2000_variant variant;
74 struct working_area *iap_working_area;
76 int cmd51_dst_boundary;
80 uint32_t cmd51_max_buffer;
84 enum lpc2000_status_codes
86 LPC2000_CMD_SUCCESS = 0,
87 LPC2000_INVALID_COMMAND = 1,
88 LPC2000_SRC_ADDR_ERROR = 2,
89 LPC2000_DST_ADDR_ERROR = 3,
90 LPC2000_SRC_ADDR_NOT_MAPPED = 4,
91 LPC2000_DST_ADDR_NOT_MAPPED = 5,
92 LPC2000_COUNT_ERROR = 6,
93 LPC2000_INVALID_SECTOR = 7,
94 LPC2000_SECTOR_NOT_BLANK = 8,
95 LPC2000_SECTOR_NOT_PREPARED = 9,
96 LPC2000_COMPARE_ERROR = 10,
98 LPC2000_PARAM_ERROR = 12,
99 LPC2000_ADDR_ERROR = 13,
100 LPC2000_ADDR_NOT_MAPPED = 14,
101 LPC2000_CMD_NOT_LOCKED = 15,
102 LPC2000_INVALID_CODE = 16,
103 LPC2000_INVALID_BAUD_RATE = 17,
104 LPC2000_INVALID_STOP_BIT = 18,
105 LPC2000_CRP_ENABLED = 19
108 static int lpc2000_build_sector_list(struct flash_bank *bank)
110 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
114 /* default to a 4096 write buffer */
115 lpc2000_info->cmd51_max_buffer = 4096;
117 if (lpc2000_info->variant == lpc2000_v1)
119 /* variant 1 has different layout for 128kb and 256kb flashes */
120 if (bank->size == 128 * 1024)
122 bank->num_sectors = 16;
123 bank->sectors = malloc(sizeof(struct flash_sector) * 16);
124 for (i = 0; i < 16; i++)
126 bank->sectors[i].offset = offset;
127 bank->sectors[i].size = 8 * 1024;
128 offset += bank->sectors[i].size;
129 bank->sectors[i].is_erased = -1;
130 bank->sectors[i].is_protected = 1;
133 else if (bank->size == 256 * 1024)
135 bank->num_sectors = 18;
136 bank->sectors = malloc(sizeof(struct flash_sector) * 18);
138 for (i = 0; i < 8; i++)
140 bank->sectors[i].offset = offset;
141 bank->sectors[i].size = 8 * 1024;
142 offset += bank->sectors[i].size;
143 bank->sectors[i].is_erased = -1;
144 bank->sectors[i].is_protected = 1;
146 for (i = 8; i < 10; i++)
148 bank->sectors[i].offset = offset;
149 bank->sectors[i].size = 64 * 1024;
150 offset += bank->sectors[i].size;
151 bank->sectors[i].is_erased = -1;
152 bank->sectors[i].is_protected = 1;
154 for (i = 10; i < 18; i++)
156 bank->sectors[i].offset = offset;
157 bank->sectors[i].size = 8 * 1024;
158 offset += bank->sectors[i].size;
159 bank->sectors[i].is_erased = -1;
160 bank->sectors[i].is_protected = 1;
165 LOG_ERROR("BUG: unknown bank->size encountered");
169 else if (lpc2000_info->variant == lpc2000_v2)
171 /* variant 2 has a uniform layout, only number of sectors differs */
175 lpc2000_info->cmd51_max_buffer = 1024;
176 bank->num_sectors = 1;
179 lpc2000_info->cmd51_max_buffer = 1024;
180 bank->num_sectors = 2;
183 bank->num_sectors = 4;
186 bank->num_sectors = 8;
189 bank->num_sectors = 9;
192 bank->num_sectors = 11;
195 bank->num_sectors = 15;
198 bank->num_sectors = 27;
202 bank->num_sectors = 28;
205 LOG_ERROR("BUG: unknown bank->size encountered");
210 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
212 for (i = 0; i < bank->num_sectors; i++)
216 bank->sectors[i].offset = offset;
217 bank->sectors[i].size = 4 * 1024;
218 offset += bank->sectors[i].size;
219 bank->sectors[i].is_erased = -1;
220 bank->sectors[i].is_protected = 1;
224 bank->sectors[i].offset = offset;
225 bank->sectors[i].size = 32 * 1024;
226 offset += bank->sectors[i].size;
227 bank->sectors[i].is_erased = -1;
228 bank->sectors[i].is_protected = 1;
232 bank->sectors[i].offset = offset;
233 bank->sectors[i].size = 4 * 1024;
234 offset += bank->sectors[i].size;
235 bank->sectors[i].is_erased = -1;
236 bank->sectors[i].is_protected = 1;
240 else if (lpc2000_info->variant == lpc1700)
245 bank->num_sectors = 8;
248 bank->num_sectors = 16;
251 bank->num_sectors = 18;
254 bank->num_sectors = 22;
257 bank->num_sectors = 30;
260 LOG_ERROR("BUG: unknown bank->size encountered");
264 bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
266 for(i = 0; i < bank->num_sectors; i++)
268 bank->sectors[i].offset = offset;
269 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
270 bank->sectors[i].size = (i < 16)? 4 * 1024 : 32 * 1024;
271 offset += bank->sectors[i].size;
272 bank->sectors[i].is_erased = -1;
273 bank->sectors[i].is_protected = 1;
278 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
285 /* call LPC1700/LPC2000 IAP function
286 * uses 180 bytes working area
287 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
288 * 0x8 to 0x1f: command parameter table (1+5 words)
289 * 0x20 to 0x33: command result table (1+4 words)
290 * 0x34 to 0xb3: stack (only 128b needed)
292 static int lpc2000_iap_call(struct flash_bank *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
295 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
296 struct target *target = bank->target;
297 struct mem_param mem_params[2];
298 struct reg_param reg_params[5];
299 struct arm_algorithm armv4_5_info; /* for LPC2000 */
300 struct armv7m_algorithm armv7m_info; /* for LPC1700 */
301 uint32_t status_code;
302 uint32_t iap_entry_point = 0; /* to make compiler happier */
304 /* regrab previously allocated working_area, or allocate a new one */
305 if (!lpc2000_info->iap_working_area)
307 uint8_t jump_gate[8];
309 /* make sure we have a working area */
310 if (target_alloc_working_area(target, 180, &lpc2000_info->iap_working_area) != ERROR_OK)
312 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
313 return ERROR_FLASH_OPERATION_FAILED;
316 /* write IAP code to working area */
317 switch(lpc2000_info->variant)
320 target_buffer_set_u32(target, jump_gate,
322 target_buffer_set_u32(target, jump_gate + 4,
327 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
328 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
331 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
335 if ((retval = target_write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK)
337 LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)", lpc2000_info->iap_working_area->address);
342 switch(lpc2000_info->variant)
345 armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
346 armv7m_info.core_mode = ARMV7M_MODE_ANY;
347 iap_entry_point = 0x1fff1ff1;
351 armv4_5_info.common_magic = ARM_COMMON_MAGIC;
352 armv4_5_info.core_mode = ARM_MODE_SVC;
353 armv4_5_info.core_state = ARM_STATE_ARM;
354 iap_entry_point = 0x7ffffff1;
357 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
361 /* command parameter table */
362 init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 6 * 4, PARAM_OUT);
363 target_buffer_set_u32(target, mem_params[0].value, code);
364 target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
365 target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
366 target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
367 target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
368 target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
370 init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
371 buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x08);
373 /* command result table */
374 init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
376 init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
377 buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
379 /* IAP entry point */
380 init_reg_param(®_params[2], "r12", 32, PARAM_OUT);
381 buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
383 switch(lpc2000_info->variant)
387 init_reg_param(®_params[3], "sp", 32, PARAM_OUT);
388 buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
391 init_reg_param(®_params[4], "lr", 32, PARAM_OUT);
392 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 */
394 target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, 0, 10000, &armv7m_info);
399 init_reg_param(®_params[3], "sp_svc", 32, PARAM_OUT);
400 buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
403 init_reg_param(®_params[4], "lr_svc", 32, PARAM_OUT);
404 buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x04);
406 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);
409 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
413 status_code = target_buffer_get_u32(target, mem_params[1].value);
414 result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
415 result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
416 result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
417 result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
419 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,
420 code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
422 destroy_mem_param(&mem_params[0]);
423 destroy_mem_param(&mem_params[1]);
425 destroy_reg_param(®_params[0]);
426 destroy_reg_param(®_params[1]);
427 destroy_reg_param(®_params[2]);
428 destroy_reg_param(®_params[3]);
429 destroy_reg_param(®_params[4]);
434 static int lpc2000_iap_blank_check(struct flash_bank *bank, int first, int last)
436 uint32_t param_table[5];
437 uint32_t result_table[4];
441 if ((first < 0) || (last >= bank->num_sectors))
442 return ERROR_FLASH_SECTOR_INVALID;
444 for (i = first; i <= last; i++)
446 /* check single sector */
447 param_table[0] = param_table[1] = i;
448 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
452 case ERROR_FLASH_OPERATION_FAILED:
453 return ERROR_FLASH_OPERATION_FAILED;
454 case LPC2000_CMD_SUCCESS:
455 bank->sectors[i].is_erased = 1;
457 case LPC2000_SECTOR_NOT_BLANK:
458 bank->sectors[i].is_erased = 0;
460 case LPC2000_INVALID_SECTOR:
461 bank->sectors[i].is_erased = 0;
464 return ERROR_FLASH_BUSY;
467 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
476 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
478 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
480 struct lpc2000_flash_bank *lpc2000_info;
484 return ERROR_COMMAND_SYNTAX_ERROR;
487 lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
488 bank->driver_priv = lpc2000_info;
490 if (strcmp(CMD_ARGV[6], "lpc2000_v1") == 0)
492 lpc2000_info->variant = lpc2000_v1;
493 lpc2000_info->cmd51_dst_boundary = 512;
494 lpc2000_info->cmd51_can_256b = 0;
495 lpc2000_info->cmd51_can_8192b = 1;
496 lpc2000_info->checksum_vector = 5;
498 else if (strcmp(CMD_ARGV[6], "lpc2000_v2") == 0)
500 lpc2000_info->variant = lpc2000_v2;
501 lpc2000_info->cmd51_dst_boundary = 256;
502 lpc2000_info->cmd51_can_256b = 1;
503 lpc2000_info->cmd51_can_8192b = 0;
504 lpc2000_info->checksum_vector = 5;
506 else if (strcmp(CMD_ARGV[6], "lpc1700") == 0)
508 lpc2000_info->variant = lpc1700;
509 lpc2000_info->cmd51_dst_boundary = 256;
510 lpc2000_info->cmd51_can_256b = 1;
511 lpc2000_info->cmd51_can_8192b = 0;
512 lpc2000_info->checksum_vector = 7;
516 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
518 return ERROR_FLASH_BANK_INVALID;
521 lpc2000_info->iap_working_area = NULL;
522 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
523 lpc2000_info->calc_checksum = 0;
524 lpc2000_build_sector_list(bank);
528 if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
529 lpc2000_info->calc_checksum = 1;
535 static int lpc2000_erase(struct flash_bank *bank, int first, int last)
537 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
538 uint32_t param_table[5];
539 uint32_t result_table[4];
542 if (bank->target->state != TARGET_HALTED)
544 LOG_ERROR("Target not halted");
545 return ERROR_TARGET_NOT_HALTED;
548 param_table[0] = first;
549 param_table[1] = last;
550 param_table[2] = lpc2000_info->cclk;
552 /* Prepare sectors */
553 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
556 case ERROR_FLASH_OPERATION_FAILED:
557 return ERROR_FLASH_OPERATION_FAILED;
558 case LPC2000_CMD_SUCCESS:
560 case LPC2000_INVALID_SECTOR:
561 return ERROR_FLASH_SECTOR_INVALID;
564 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
565 return ERROR_FLASH_OPERATION_FAILED;
569 status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
572 case ERROR_FLASH_OPERATION_FAILED:
573 return ERROR_FLASH_OPERATION_FAILED;
574 case LPC2000_CMD_SUCCESS:
576 case LPC2000_INVALID_SECTOR:
577 return ERROR_FLASH_SECTOR_INVALID;
580 LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
581 return ERROR_FLASH_OPERATION_FAILED;
587 static int lpc2000_protect(struct flash_bank *bank, int set, int first, int last)
589 /* can't protect/unprotect on the lpc2000 */
593 static int lpc2000_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
595 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
596 struct target *target = bank->target;
597 uint32_t dst_min_alignment;
598 uint32_t bytes_remaining = count;
599 uint32_t bytes_written = 0;
600 int first_sector = 0;
602 uint32_t param_table[5];
603 uint32_t result_table[4];
606 struct working_area *download_area;
607 int retval = ERROR_OK;
609 if (bank->target->state != TARGET_HALTED)
611 LOG_ERROR("Target not halted");
612 return ERROR_TARGET_NOT_HALTED;
615 if (offset + count > bank->size)
616 return ERROR_FLASH_DST_OUT_OF_BANK;
618 dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
620 if (offset % dst_min_alignment)
622 LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
623 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
626 for (i = 0; i < bank->num_sectors; i++)
628 if (offset >= bank->sectors[i].offset)
630 if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
634 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
636 /* check if exception vectors should be flashed */
637 if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
639 uint32_t checksum = 0;
640 for (i = 0; i < 8; i++)
642 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
643 if (i != lpc2000_info->checksum_vector)
644 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
646 checksum = 0 - checksum;
647 LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
649 uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
650 if (original_value != checksum)
652 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 ").",
653 original_value, checksum);
654 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
657 buf_set_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
660 /* allocate a working area */
661 if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
663 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
664 return ERROR_FLASH_OPERATION_FAILED;
667 while (bytes_remaining > 0)
669 uint32_t thisrun_bytes;
670 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
671 thisrun_bytes = lpc2000_info->cmd51_max_buffer;
672 else if (bytes_remaining >= 1024)
673 thisrun_bytes = 1024;
674 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
679 /* Prepare sectors */
680 param_table[0] = first_sector;
681 param_table[1] = last_sector;
682 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
685 case ERROR_FLASH_OPERATION_FAILED:
686 retval = ERROR_FLASH_OPERATION_FAILED;
688 case LPC2000_CMD_SUCCESS:
690 case LPC2000_INVALID_SECTOR:
691 retval = ERROR_FLASH_SECTOR_INVALID;
694 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
695 retval = ERROR_FLASH_OPERATION_FAILED;
699 /* Exit if error occured */
700 if (retval != ERROR_OK)
703 if (bytes_remaining >= thisrun_bytes)
705 if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
707 retval = ERROR_FLASH_OPERATION_FAILED;
713 uint8_t *last_buffer = malloc(thisrun_bytes);
714 memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
715 memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
716 target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
720 LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32 , thisrun_bytes, bank->base + offset + bytes_written);
723 param_table[0] = bank->base + offset + bytes_written;
724 param_table[1] = download_area->address;
725 param_table[2] = thisrun_bytes;
726 param_table[3] = lpc2000_info->cclk;
727 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
730 case ERROR_FLASH_OPERATION_FAILED:
731 retval = ERROR_FLASH_OPERATION_FAILED;
733 case LPC2000_CMD_SUCCESS:
735 case LPC2000_INVALID_SECTOR:
736 retval = ERROR_FLASH_SECTOR_INVALID;
739 LOG_WARNING("lpc2000 returned %i", status_code);
740 retval = ERROR_FLASH_OPERATION_FAILED;
744 /* Exit if error occured */
745 if (retval != ERROR_OK)
748 if (bytes_remaining > thisrun_bytes)
749 bytes_remaining -= thisrun_bytes;
752 bytes_written += thisrun_bytes;
755 target_free_working_area(target, download_area);
760 static int lpc2000_probe(struct flash_bank *bank)
762 /* we can't probe on an lpc2000
763 * if this is an lpc2xxx, it has the configured flash
768 static int lpc2000_erase_check(struct flash_bank *bank)
770 if (bank->target->state != TARGET_HALTED)
772 LOG_ERROR("Target not halted");
773 return ERROR_TARGET_NOT_HALTED;
776 return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
779 static int lpc2000_protect_check(struct flash_bank *bank)
781 /* sectors are always protected */
785 static int get_lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
787 struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
789 snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz" , lpc2000_info->variant, lpc2000_info->cclk);
794 COMMAND_HANDLER(lpc2000_handle_part_id_command)
796 uint32_t param_table[5];
797 uint32_t result_table[4];
802 return ERROR_COMMAND_SYNTAX_ERROR;
805 struct flash_bank *bank;
806 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
807 if (ERROR_OK != retval)
810 if (bank->target->state != TARGET_HALTED)
812 LOG_ERROR("Target not halted");
813 return ERROR_TARGET_NOT_HALTED;
816 if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
818 if (status_code == ERROR_FLASH_OPERATION_FAILED)
820 command_print(CMD_CTX, "no sufficient working area specified, can't access LPC2000 IAP interface");
823 command_print(CMD_CTX, "lpc2000 IAP returned status code %i", status_code);
827 command_print(CMD_CTX, "lpc2000 part id: 0x%8.8" PRIx32 , result_table[0]);
833 static const struct command_registration lpc2000_exec_command_handlers[] = {
836 .handler = lpc2000_handle_part_id_command,
837 .mode = COMMAND_EXEC,
838 .help = "print part id of lpc2000 flash bank <num>",
840 COMMAND_REGISTRATION_DONE
842 static const struct command_registration lpc2000_command_handlers[] = {
846 .help = "lpc2000 flash command group",
847 .chain = lpc2000_exec_command_handlers,
849 COMMAND_REGISTRATION_DONE
852 struct flash_driver lpc2000_flash = {
854 .commands = lpc2000_command_handlers,
855 .flash_bank_command = lpc2000_flash_bank_command,
856 .erase = lpc2000_erase,
857 .protect = lpc2000_protect,
858 .write = lpc2000_write,
859 .read = default_flash_read,
860 .probe = lpc2000_probe,
861 .auto_probe = lpc2000_probe,
862 .erase_check = lpc2000_erase_check,
863 .protect_check = lpc2000_protect_check,
864 .info = get_lpc2000_info,