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 ***************************************************************************/
30 #include <helper/binarybuffer.h>
31 #include <target/algorithm.h>
32 #include <target/arm_opcodes.h>
33 #include <target/armv7m.h>
38 * flash programming support for NXP LPC17xx and LPC2xxx devices.
40 * @todo Provide a way to update CCLK after declaring the flash bank.
41 * The value which is correct after chip reset will rarely still work
42 * right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
45 * currently supported devices:
46 * variant 1 (lpc2000_v1):
54 * variant 2 (lpc2000_v2):
63 * - 176x (tested with LPC1768)
66 static int lpc2000_build_sector_list(struct flash_bank
*bank
)
68 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
72 /* default to a 4096 write buffer */
73 lpc2000_info
->cmd51_max_buffer
= 4096;
75 if (lpc2000_info
->variant
== lpc2000_v1
)
77 /* variant 1 has different layout for 128kb and 256kb flashes */
78 if (bank
->size
== 128 * 1024)
80 bank
->num_sectors
= 16;
81 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 16);
82 for (i
= 0; i
< 16; i
++)
84 bank
->sectors
[i
].offset
= offset
;
85 bank
->sectors
[i
].size
= 8 * 1024;
86 offset
+= bank
->sectors
[i
].size
;
87 bank
->sectors
[i
].is_erased
= -1;
88 bank
->sectors
[i
].is_protected
= 1;
91 else if (bank
->size
== 256 * 1024)
93 bank
->num_sectors
= 18;
94 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 18);
96 for (i
= 0; i
< 8; i
++)
98 bank
->sectors
[i
].offset
= offset
;
99 bank
->sectors
[i
].size
= 8 * 1024;
100 offset
+= bank
->sectors
[i
].size
;
101 bank
->sectors
[i
].is_erased
= -1;
102 bank
->sectors
[i
].is_protected
= 1;
104 for (i
= 8; i
< 10; i
++)
106 bank
->sectors
[i
].offset
= offset
;
107 bank
->sectors
[i
].size
= 64 * 1024;
108 offset
+= bank
->sectors
[i
].size
;
109 bank
->sectors
[i
].is_erased
= -1;
110 bank
->sectors
[i
].is_protected
= 1;
112 for (i
= 10; i
< 18; i
++)
114 bank
->sectors
[i
].offset
= offset
;
115 bank
->sectors
[i
].size
= 8 * 1024;
116 offset
+= bank
->sectors
[i
].size
;
117 bank
->sectors
[i
].is_erased
= -1;
118 bank
->sectors
[i
].is_protected
= 1;
123 LOG_ERROR("BUG: unknown bank->size encountered");
127 else if (lpc2000_info
->variant
== lpc2000_v2
)
129 /* variant 2 has a uniform layout, only number of sectors differs */
133 lpc2000_info
->cmd51_max_buffer
= 1024;
134 bank
->num_sectors
= 1;
137 lpc2000_info
->cmd51_max_buffer
= 1024;
138 bank
->num_sectors
= 2;
141 bank
->num_sectors
= 4;
144 bank
->num_sectors
= 8;
147 bank
->num_sectors
= 9;
150 bank
->num_sectors
= 11;
153 bank
->num_sectors
= 15;
157 bank
->num_sectors
= 27;
160 LOG_ERROR("BUG: unknown bank->size encountered");
165 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
167 for (i
= 0; i
< bank
->num_sectors
; i
++)
169 if ((i
>= 0) && (i
< 8))
171 bank
->sectors
[i
].offset
= offset
;
172 bank
->sectors
[i
].size
= 4 * 1024;
173 offset
+= bank
->sectors
[i
].size
;
174 bank
->sectors
[i
].is_erased
= -1;
175 bank
->sectors
[i
].is_protected
= 1;
177 if ((i
>= 8) && (i
< 22))
179 bank
->sectors
[i
].offset
= offset
;
180 bank
->sectors
[i
].size
= 32 * 1024;
181 offset
+= bank
->sectors
[i
].size
;
182 bank
->sectors
[i
].is_erased
= -1;
183 bank
->sectors
[i
].is_protected
= 1;
185 if ((i
>= 22) && (i
< 27))
187 bank
->sectors
[i
].offset
= offset
;
188 bank
->sectors
[i
].size
= 4 * 1024;
189 offset
+= bank
->sectors
[i
].size
;
190 bank
->sectors
[i
].is_erased
= -1;
191 bank
->sectors
[i
].is_protected
= 1;
195 else if (lpc2000_info
->variant
== lpc1700
)
200 bank
->num_sectors
= 8;
203 bank
->num_sectors
= 16;
206 bank
->num_sectors
= 18;
209 bank
->num_sectors
= 22;
212 bank
->num_sectors
= 30;
215 LOG_ERROR("BUG: unknown bank->size encountered");
219 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
221 for(i
= 0; i
< bank
->num_sectors
; i
++)
223 bank
->sectors
[i
].offset
= offset
;
224 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
225 bank
->sectors
[i
].size
= (i
< 16)? 4 * 1024 : 32 * 1024;
226 offset
+= bank
->sectors
[i
].size
;
227 bank
->sectors
[i
].is_erased
= -1;
228 bank
->sectors
[i
].is_protected
= 1;
233 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
240 /* call LPC1700/LPC2000 IAP function
241 * uses 180 bytes working area
242 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
243 * 0x8 to 0x1f: command parameter table (1+5 words)
244 * 0x20 to 0x33: command result table (1+4 words)
245 * 0x34 to 0xb3: stack (only 128b needed)
247 static int lpc2000_iap_call(struct flash_bank
*bank
, int code
, uint32_t param_table
[5], uint32_t result_table
[4])
250 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
251 struct target
*target
= bank
->target
;
252 struct mem_param mem_params
[2];
253 struct reg_param reg_params
[5];
254 struct arm_algorithm armv4_5_info
; /* for LPC2000 */
255 struct armv7m_algorithm armv7m_info
; /* for LPC1700 */
256 uint32_t status_code
;
257 uint32_t iap_entry_point
= 0; /* to make compiler happier */
259 /* regrab previously allocated working_area, or allocate a new one */
260 if (!lpc2000_info
->iap_working_area
)
262 uint8_t jump_gate
[8];
264 /* make sure we have a working area */
265 if (target_alloc_working_area(target
, 180, &lpc2000_info
->iap_working_area
) != ERROR_OK
)
267 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
268 return ERROR_FLASH_OPERATION_FAILED
;
271 /* write IAP code to working area */
272 switch(lpc2000_info
->variant
)
275 target_buffer_set_u32(target
, jump_gate
,
277 target_buffer_set_u32(target
, jump_gate
+ 4,
282 target_buffer_set_u32(target
, jump_gate
, ARMV4_5_BX(12));
283 target_buffer_set_u32(target
, jump_gate
+ 4, ARMV4_5_B(0xfffffe, 0));
286 LOG_ERROR("BUG: unknown bank->size encountered");
290 if ((retval
= target_write_memory(target
, lpc2000_info
->iap_working_area
->address
, 4, 2, jump_gate
)) != ERROR_OK
)
292 LOG_ERROR("Write memory at address 0x%8.8" PRIx32
" failed (check work_area definition)", lpc2000_info
->iap_working_area
->address
);
297 switch(lpc2000_info
->variant
)
300 armv7m_info
.common_magic
= ARMV7M_COMMON_MAGIC
;
301 armv7m_info
.core_mode
= ARMV7M_MODE_ANY
;
302 iap_entry_point
= 0x1fff1ff1;
306 armv4_5_info
.common_magic
= ARM_COMMON_MAGIC
;
307 armv4_5_info
.core_mode
= ARM_MODE_SVC
;
308 armv4_5_info
.core_state
= ARM_STATE_ARM
;
309 iap_entry_point
= 0x7ffffff1;
312 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
316 /* command parameter table */
317 init_mem_param(&mem_params
[0], lpc2000_info
->iap_working_area
->address
+ 8, 6 * 4, PARAM_OUT
);
318 target_buffer_set_u32(target
, mem_params
[0].value
, code
);
319 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x04, param_table
[0]);
320 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x08, param_table
[1]);
321 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x0c, param_table
[2]);
322 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x10, param_table
[3]);
323 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x14, param_table
[4]);
325 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
326 buf_set_u32(reg_params
[0].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x08);
328 /* command result table */
329 init_mem_param(&mem_params
[1], lpc2000_info
->iap_working_area
->address
+ 0x20, 5 * 4, PARAM_IN
);
331 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
332 buf_set_u32(reg_params
[1].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x20);
334 /* IAP entry point */
335 init_reg_param(®_params
[2], "r12", 32, PARAM_OUT
);
336 buf_set_u32(reg_params
[2].value
, 0, 32, iap_entry_point
);
338 switch(lpc2000_info
->variant
)
342 init_reg_param(®_params
[3], "sp", 32, PARAM_OUT
);
343 buf_set_u32(reg_params
[3].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0xb4);
346 init_reg_param(®_params
[4], "lr", 32, PARAM_OUT
);
347 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 */
349 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
);
354 init_reg_param(®_params
[3], "sp_svc", 32, PARAM_OUT
);
355 buf_set_u32(reg_params
[3].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0xb4);
358 init_reg_param(®_params
[4], "lr_svc", 32, PARAM_OUT
);
359 buf_set_u32(reg_params
[4].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x04);
361 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
);
364 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
369 status_code
= target_buffer_get_u32(target
, mem_params
[1].value
);
370 result_table
[0] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x04);
371 result_table
[1] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x08);
372 result_table
[2] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x0c);
373 result_table
[3] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x10);
375 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
,
376 code
, param_table
[0], param_table
[1], param_table
[2], param_table
[3], param_table
[4], status_code
);
378 destroy_mem_param(&mem_params
[0]);
379 destroy_mem_param(&mem_params
[1]);
381 destroy_reg_param(®_params
[0]);
382 destroy_reg_param(®_params
[1]);
383 destroy_reg_param(®_params
[2]);
384 destroy_reg_param(®_params
[3]);
385 destroy_reg_param(®_params
[4]);
390 static int lpc2000_iap_blank_check(struct flash_bank
*bank
, int first
, int last
)
392 uint32_t param_table
[5];
393 uint32_t result_table
[4];
397 if ((first
< 0) || (last
>= bank
->num_sectors
))
398 return ERROR_FLASH_SECTOR_INVALID
;
400 for (i
= first
; i
<= last
; i
++)
402 /* check single sector */
403 param_table
[0] = param_table
[1] = i
;
404 status_code
= lpc2000_iap_call(bank
, 53, param_table
, result_table
);
408 case ERROR_FLASH_OPERATION_FAILED
:
409 return ERROR_FLASH_OPERATION_FAILED
;
410 case LPC2000_CMD_SUCCESS
:
411 bank
->sectors
[i
].is_erased
= 1;
413 case LPC2000_SECTOR_NOT_BLANK
:
414 bank
->sectors
[i
].is_erased
= 0;
416 case LPC2000_INVALID_SECTOR
:
417 bank
->sectors
[i
].is_erased
= 0;
420 return ERROR_FLASH_BUSY
;
423 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code
);
432 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
434 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command
)
436 struct lpc2000_flash_bank
*lpc2000_info
;
440 LOG_WARNING("incomplete flash_bank lpc2000 configuration");
441 return ERROR_FLASH_BANK_INVALID
;
444 lpc2000_info
= malloc(sizeof(struct lpc2000_flash_bank
));
445 bank
->driver_priv
= lpc2000_info
;
447 if (strcmp(CMD_ARGV
[6], "lpc2000_v1") == 0)
449 lpc2000_info
->variant
= lpc2000_v1
;
450 lpc2000_info
->cmd51_dst_boundary
= 512;
451 lpc2000_info
->cmd51_can_256b
= 0;
452 lpc2000_info
->cmd51_can_8192b
= 1;
453 lpc2000_info
->checksum_vector
= 5;
455 else if (strcmp(CMD_ARGV
[6], "lpc2000_v2") == 0)
457 lpc2000_info
->variant
= lpc2000_v2
;
458 lpc2000_info
->cmd51_dst_boundary
= 256;
459 lpc2000_info
->cmd51_can_256b
= 1;
460 lpc2000_info
->cmd51_can_8192b
= 0;
461 lpc2000_info
->checksum_vector
= 5;
463 else if (strcmp(CMD_ARGV
[6], "lpc1700") == 0)
465 lpc2000_info
->variant
= lpc1700
;
466 lpc2000_info
->cmd51_dst_boundary
= 256;
467 lpc2000_info
->cmd51_can_256b
= 1;
468 lpc2000_info
->cmd51_can_8192b
= 0;
469 lpc2000_info
->checksum_vector
= 7;
473 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV
[6]);
475 return ERROR_FLASH_BANK_INVALID
;
478 lpc2000_info
->iap_working_area
= NULL
;
479 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[7], lpc2000_info
->cclk
);
480 lpc2000_info
->calc_checksum
= 0;
481 lpc2000_build_sector_list(bank
);
485 if (strcmp(CMD_ARGV
[8], "calc_checksum") == 0)
486 lpc2000_info
->calc_checksum
= 1;
492 static int lpc2000_erase(struct flash_bank
*bank
, int first
, int last
)
494 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
495 uint32_t param_table
[5];
496 uint32_t result_table
[4];
499 if (bank
->target
->state
!= TARGET_HALTED
)
501 LOG_ERROR("Target not halted");
502 return ERROR_TARGET_NOT_HALTED
;
505 param_table
[0] = first
;
506 param_table
[1] = last
;
507 param_table
[2] = lpc2000_info
->cclk
;
509 /* Prepare sectors */
510 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
513 case ERROR_FLASH_OPERATION_FAILED
:
514 return ERROR_FLASH_OPERATION_FAILED
;
515 case LPC2000_CMD_SUCCESS
:
517 case LPC2000_INVALID_SECTOR
:
518 return ERROR_FLASH_SECTOR_INVALID
;
521 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
522 return ERROR_FLASH_OPERATION_FAILED
;
526 status_code
= lpc2000_iap_call(bank
, 52, param_table
, result_table
);
529 case ERROR_FLASH_OPERATION_FAILED
:
530 return ERROR_FLASH_OPERATION_FAILED
;
531 case LPC2000_CMD_SUCCESS
:
533 case LPC2000_INVALID_SECTOR
:
534 return ERROR_FLASH_SECTOR_INVALID
;
537 LOG_WARNING("lpc2000 erase sectors returned %i", status_code
);
538 return ERROR_FLASH_OPERATION_FAILED
;
544 static int lpc2000_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
546 /* can't protect/unprotect on the lpc2000 */
550 static int lpc2000_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
552 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
553 struct target
*target
= bank
->target
;
554 uint32_t dst_min_alignment
;
555 uint32_t bytes_remaining
= count
;
556 uint32_t bytes_written
= 0;
557 int first_sector
= 0;
559 uint32_t param_table
[5];
560 uint32_t result_table
[4];
563 struct working_area
*download_area
;
564 int retval
= ERROR_OK
;
566 if (bank
->target
->state
!= TARGET_HALTED
)
568 LOG_ERROR("Target not halted");
569 return ERROR_TARGET_NOT_HALTED
;
572 if (offset
+ count
> bank
->size
)
573 return ERROR_FLASH_DST_OUT_OF_BANK
;
575 dst_min_alignment
= lpc2000_info
->cmd51_dst_boundary
;
577 if (offset
% dst_min_alignment
)
579 LOG_WARNING("offset 0x%" PRIx32
" breaks required alignment 0x%" PRIx32
, offset
, dst_min_alignment
);
580 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
583 for (i
= 0; i
< bank
->num_sectors
; i
++)
585 if (offset
>= bank
->sectors
[i
].offset
)
587 if (offset
+ DIV_ROUND_UP(count
, dst_min_alignment
) * dst_min_alignment
> bank
->sectors
[i
].offset
)
591 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector
, last_sector
);
593 /* check if exception vectors should be flashed */
594 if ((offset
== 0) && (count
>= 0x20) && lpc2000_info
->calc_checksum
)
596 uint32_t checksum
= 0;
597 for (i
= 0; i
< 8; i
++)
599 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32
, i
* 4, buf_get_u32(buffer
+ (i
* 4), 0, 32));
600 if (i
!= lpc2000_info
->checksum_vector
)
601 checksum
+= buf_get_u32(buffer
+ (i
* 4), 0, 32);
603 checksum
= 0 - checksum
;
604 LOG_DEBUG("checksum: 0x%8.8" PRIx32
, checksum
);
606 uint32_t original_value
= buf_get_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32);
607 if (original_value
!= checksum
)
609 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
").",
610 original_value
, checksum
);
611 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
614 buf_set_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32, checksum
);
617 /* allocate a working area */
618 if (target_alloc_working_area(target
, lpc2000_info
->cmd51_max_buffer
, &download_area
) != ERROR_OK
)
620 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
621 return ERROR_FLASH_OPERATION_FAILED
;
624 while (bytes_remaining
> 0)
626 uint32_t thisrun_bytes
;
627 if (bytes_remaining
>= lpc2000_info
->cmd51_max_buffer
)
628 thisrun_bytes
= lpc2000_info
->cmd51_max_buffer
;
629 else if (bytes_remaining
>= 1024)
630 thisrun_bytes
= 1024;
631 else if ((bytes_remaining
>= 512) || (!lpc2000_info
->cmd51_can_256b
))
636 /* Prepare sectors */
637 param_table
[0] = first_sector
;
638 param_table
[1] = last_sector
;
639 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
642 case ERROR_FLASH_OPERATION_FAILED
:
643 retval
= ERROR_FLASH_OPERATION_FAILED
;
645 case LPC2000_CMD_SUCCESS
:
647 case LPC2000_INVALID_SECTOR
:
648 retval
= ERROR_FLASH_SECTOR_INVALID
;
651 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
652 retval
= ERROR_FLASH_OPERATION_FAILED
;
656 /* Exit if error occured */
657 if (retval
!= ERROR_OK
)
660 if (bytes_remaining
>= thisrun_bytes
)
662 if ((retval
= target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, buffer
+ bytes_written
)) != ERROR_OK
)
664 retval
= ERROR_FLASH_OPERATION_FAILED
;
670 uint8_t *last_buffer
= malloc(thisrun_bytes
);
671 memcpy(last_buffer
, buffer
+ bytes_written
, bytes_remaining
);
672 memset(last_buffer
+ bytes_remaining
, 0xff, thisrun_bytes
- bytes_remaining
);
673 target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, last_buffer
);
677 LOG_DEBUG("writing 0x%" PRIx32
" bytes to address 0x%" PRIx32
, thisrun_bytes
, bank
->base
+ offset
+ bytes_written
);
680 param_table
[0] = bank
->base
+ offset
+ bytes_written
;
681 param_table
[1] = download_area
->address
;
682 param_table
[2] = thisrun_bytes
;
683 param_table
[3] = lpc2000_info
->cclk
;
684 status_code
= lpc2000_iap_call(bank
, 51, param_table
, result_table
);
687 case ERROR_FLASH_OPERATION_FAILED
:
688 retval
= ERROR_FLASH_OPERATION_FAILED
;
690 case LPC2000_CMD_SUCCESS
:
692 case LPC2000_INVALID_SECTOR
:
693 retval
= ERROR_FLASH_SECTOR_INVALID
;
696 LOG_WARNING("lpc2000 returned %i", status_code
);
697 retval
= ERROR_FLASH_OPERATION_FAILED
;
701 /* Exit if error occured */
702 if (retval
!= ERROR_OK
)
705 if (bytes_remaining
> thisrun_bytes
)
706 bytes_remaining
-= thisrun_bytes
;
709 bytes_written
+= thisrun_bytes
;
712 target_free_working_area(target
, download_area
);
717 static int lpc2000_probe(struct flash_bank
*bank
)
719 /* we can't probe on an lpc2000
720 * if this is an lpc2xxx, it has the configured flash
725 static int lpc2000_erase_check(struct flash_bank
*bank
)
727 if (bank
->target
->state
!= TARGET_HALTED
)
729 LOG_ERROR("Target not halted");
730 return ERROR_TARGET_NOT_HALTED
;
733 return lpc2000_iap_blank_check(bank
, 0, bank
->num_sectors
- 1);
736 static int lpc2000_protect_check(struct flash_bank
*bank
)
738 /* sectors are always protected */
742 static int get_lpc2000_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
744 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
746 snprintf(buf
, buf_size
, "lpc2000 flash driver variant: %i, clk: %" PRIi32
"kHz" , lpc2000_info
->variant
, lpc2000_info
->cclk
);
751 COMMAND_HANDLER(lpc2000_handle_part_id_command
)
753 uint32_t param_table
[5];
754 uint32_t result_table
[4];
759 return ERROR_COMMAND_SYNTAX_ERROR
;
762 struct flash_bank
*bank
;
763 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &bank
);
764 if (ERROR_OK
!= retval
)
767 if (bank
->target
->state
!= TARGET_HALTED
)
769 LOG_ERROR("Target not halted");
770 return ERROR_TARGET_NOT_HALTED
;
773 if ((status_code
= lpc2000_iap_call(bank
, 54, param_table
, result_table
)) != 0x0)
775 if (status_code
== ERROR_FLASH_OPERATION_FAILED
)
777 command_print(CMD_CTX
, "no sufficient working area specified, can't access LPC2000 IAP interface");
780 command_print(CMD_CTX
, "lpc2000 IAP returned status code %i", status_code
);
784 command_print(CMD_CTX
, "lpc2000 part id: 0x%8.8" PRIx32
, result_table
[0]);
790 static const struct command_registration lpc2000_exec_command_handlers
[] = {
793 .handler
= lpc2000_handle_part_id_command
,
794 .mode
= COMMAND_EXEC
,
795 .help
= "print part id of lpc2000 flash bank <num>",
797 COMMAND_REGISTRATION_DONE
799 static const struct command_registration lpc2000_command_handlers
[] = {
803 .help
= "lpc2000 flash command group",
804 .chain
= lpc2000_exec_command_handlers
,
806 COMMAND_REGISTRATION_DONE
809 struct flash_driver lpc2000_flash
= {
811 .commands
= lpc2000_command_handlers
,
812 .flash_bank_command
= lpc2000_flash_bank_command
,
813 .erase
= lpc2000_erase
,
814 .protect
= lpc2000_protect
,
815 .write
= lpc2000_write
,
816 .read
= default_flash_read
,
817 .probe
= lpc2000_probe
,
818 .auto_probe
= lpc2000_probe
,
819 .erase_check
= lpc2000_erase_check
,
820 .protect_check
= lpc2000_protect_check
,
821 .info
= get_lpc2000_info
,