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>
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_build_sector_list(struct flash_bank
*bank
)
58 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
62 /* default to a 4096 write buffer */
63 lpc2000_info
->cmd51_max_buffer
= 4096;
65 if (lpc2000_info
->variant
== lpc2000_v1
)
67 /* variant 1 has different layout for 128kb and 256kb flashes */
68 if (bank
->size
== 128 * 1024)
70 bank
->num_sectors
= 16;
71 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 16);
72 for (i
= 0; i
< 16; i
++)
74 bank
->sectors
[i
].offset
= offset
;
75 bank
->sectors
[i
].size
= 8 * 1024;
76 offset
+= bank
->sectors
[i
].size
;
77 bank
->sectors
[i
].is_erased
= -1;
78 bank
->sectors
[i
].is_protected
= 1;
81 else if (bank
->size
== 256 * 1024)
83 bank
->num_sectors
= 18;
84 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 18);
86 for (i
= 0; i
< 8; i
++)
88 bank
->sectors
[i
].offset
= offset
;
89 bank
->sectors
[i
].size
= 8 * 1024;
90 offset
+= bank
->sectors
[i
].size
;
91 bank
->sectors
[i
].is_erased
= -1;
92 bank
->sectors
[i
].is_protected
= 1;
94 for (i
= 8; i
< 10; i
++)
96 bank
->sectors
[i
].offset
= offset
;
97 bank
->sectors
[i
].size
= 64 * 1024;
98 offset
+= bank
->sectors
[i
].size
;
99 bank
->sectors
[i
].is_erased
= -1;
100 bank
->sectors
[i
].is_protected
= 1;
102 for (i
= 10; i
< 18; i
++)
104 bank
->sectors
[i
].offset
= offset
;
105 bank
->sectors
[i
].size
= 8 * 1024;
106 offset
+= bank
->sectors
[i
].size
;
107 bank
->sectors
[i
].is_erased
= -1;
108 bank
->sectors
[i
].is_protected
= 1;
113 LOG_ERROR("BUG: unknown bank->size encountered");
117 else if (lpc2000_info
->variant
== lpc2000_v2
)
119 /* variant 2 has a uniform layout, only number of sectors differs */
123 lpc2000_info
->cmd51_max_buffer
= 1024;
124 bank
->num_sectors
= 1;
127 lpc2000_info
->cmd51_max_buffer
= 1024;
128 bank
->num_sectors
= 2;
131 bank
->num_sectors
= 4;
134 bank
->num_sectors
= 8;
137 bank
->num_sectors
= 9;
140 bank
->num_sectors
= 11;
143 bank
->num_sectors
= 15;
147 bank
->num_sectors
= 27;
150 LOG_ERROR("BUG: unknown bank->size encountered");
155 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
157 for (i
= 0; i
< bank
->num_sectors
; i
++)
159 if ((i
>= 0) && (i
< 8))
161 bank
->sectors
[i
].offset
= offset
;
162 bank
->sectors
[i
].size
= 4 * 1024;
163 offset
+= bank
->sectors
[i
].size
;
164 bank
->sectors
[i
].is_erased
= -1;
165 bank
->sectors
[i
].is_protected
= 1;
167 if ((i
>= 8) && (i
< 22))
169 bank
->sectors
[i
].offset
= offset
;
170 bank
->sectors
[i
].size
= 32 * 1024;
171 offset
+= bank
->sectors
[i
].size
;
172 bank
->sectors
[i
].is_erased
= -1;
173 bank
->sectors
[i
].is_protected
= 1;
175 if ((i
>= 22) && (i
< 27))
177 bank
->sectors
[i
].offset
= offset
;
178 bank
->sectors
[i
].size
= 4 * 1024;
179 offset
+= bank
->sectors
[i
].size
;
180 bank
->sectors
[i
].is_erased
= -1;
181 bank
->sectors
[i
].is_protected
= 1;
185 else if (lpc2000_info
->variant
== lpc1700
)
190 bank
->num_sectors
= 8;
193 bank
->num_sectors
= 16;
196 bank
->num_sectors
= 18;
199 bank
->num_sectors
= 22;
202 bank
->num_sectors
= 30;
205 LOG_ERROR("BUG: unknown bank->size encountered");
209 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
211 for(i
= 0; i
< bank
->num_sectors
; i
++)
213 bank
->sectors
[i
].offset
= offset
;
214 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
215 bank
->sectors
[i
].size
= (i
< 16)? 4 * 1024 : 32 * 1024;
216 offset
+= bank
->sectors
[i
].size
;
217 bank
->sectors
[i
].is_erased
= -1;
218 bank
->sectors
[i
].is_protected
= 1;
223 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
230 /* call LPC1700/LPC2000 IAP function
231 * uses 180 bytes working area
232 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
233 * 0x8 to 0x1f: command parameter table (1+5 words)
234 * 0x20 to 0x33: command result table (1+4 words)
235 * 0x34 to 0xb3: stack (only 128b needed)
237 static int lpc2000_iap_call(struct flash_bank
*bank
, int code
, uint32_t param_table
[5], uint32_t result_table
[4])
240 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
241 struct target
*target
= bank
->target
;
242 struct mem_param mem_params
[2];
243 struct reg_param reg_params
[5];
244 struct armv4_5_algorithm armv4_5_info
; /* for LPC2000 */
245 struct armv7m_algorithm armv7m_info
; /* for LPC1700 */
246 uint32_t status_code
;
247 uint32_t iap_entry_point
= 0; /* to make compiler happier */
249 /* regrab previously allocated working_area, or allocate a new one */
250 if (!lpc2000_info
->iap_working_area
)
252 uint8_t jump_gate
[8];
254 /* make sure we have a working area */
255 if (target_alloc_working_area(target
, 180, &lpc2000_info
->iap_working_area
) != ERROR_OK
)
257 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
258 return ERROR_FLASH_OPERATION_FAILED
;
261 /* write IAP code to working area */
262 switch(lpc2000_info
->variant
)
265 target_buffer_set_u32(target
, jump_gate
, ARMV7M_T_BX(12));
266 target_buffer_set_u32(target
, jump_gate
+ 4, ARMV7M_T_B(0xfffffe));
270 target_buffer_set_u32(target
, jump_gate
, ARMV4_5_BX(12));
271 target_buffer_set_u32(target
, jump_gate
+ 4, ARMV4_5_B(0xfffffe, 0));
274 LOG_ERROR("BUG: unknown bank->size encountered");
278 if ((retval
= target_write_memory(target
, lpc2000_info
->iap_working_area
->address
, 4, 2, jump_gate
)) != ERROR_OK
)
280 LOG_ERROR("Write memory at address 0x%8.8" PRIx32
" failed (check work_area definition)", lpc2000_info
->iap_working_area
->address
);
285 switch(lpc2000_info
->variant
)
288 armv7m_info
.common_magic
= ARMV7M_COMMON_MAGIC
;
289 armv7m_info
.core_mode
= ARMV7M_MODE_ANY
;
290 iap_entry_point
= 0x1fff1ff1;
294 armv4_5_info
.common_magic
= ARMV4_5_COMMON_MAGIC
;
295 armv4_5_info
.core_mode
= ARMV4_5_MODE_SVC
;
296 armv4_5_info
.core_state
= ARMV4_5_STATE_ARM
;
297 iap_entry_point
= 0x7ffffff1;
300 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
304 /* command parameter table */
305 init_mem_param(&mem_params
[0], lpc2000_info
->iap_working_area
->address
+ 8, 6 * 4, PARAM_OUT
);
306 target_buffer_set_u32(target
, mem_params
[0].value
, code
);
307 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x04, param_table
[0]);
308 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x08, param_table
[1]);
309 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x0c, param_table
[2]);
310 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x10, param_table
[3]);
311 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x14, param_table
[4]);
313 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
314 buf_set_u32(reg_params
[0].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x08);
316 /* command result table */
317 init_mem_param(&mem_params
[1], lpc2000_info
->iap_working_area
->address
+ 0x20, 5 * 4, PARAM_IN
);
319 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
320 buf_set_u32(reg_params
[1].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x20);
322 /* IAP entry point */
323 init_reg_param(®_params
[2], "r12", 32, PARAM_OUT
);
324 buf_set_u32(reg_params
[2].value
, 0, 32, iap_entry_point
);
326 switch(lpc2000_info
->variant
)
330 init_reg_param(®_params
[3], "sp", 32, PARAM_OUT
);
331 buf_set_u32(reg_params
[3].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0xb4);
334 init_reg_param(®_params
[4], "lr", 32, PARAM_OUT
);
335 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 */
337 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
);
342 init_reg_param(®_params
[3], "r13_svc", 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_svc", 32, PARAM_OUT
);
347 buf_set_u32(reg_params
[4].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x04);
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, &armv4_5_info
);
352 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
357 status_code
= target_buffer_get_u32(target
, mem_params
[1].value
);
358 result_table
[0] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x04);
359 result_table
[1] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x08);
360 result_table
[2] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x0c);
361 result_table
[3] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x10);
363 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
,
364 code
, param_table
[0], param_table
[1], param_table
[2], param_table
[3], param_table
[4], status_code
);
366 destroy_mem_param(&mem_params
[0]);
367 destroy_mem_param(&mem_params
[1]);
369 destroy_reg_param(®_params
[0]);
370 destroy_reg_param(®_params
[1]);
371 destroy_reg_param(®_params
[2]);
372 destroy_reg_param(®_params
[3]);
373 destroy_reg_param(®_params
[4]);
378 static int lpc2000_iap_blank_check(struct flash_bank
*bank
, int first
, int last
)
380 uint32_t param_table
[5];
381 uint32_t result_table
[4];
385 if ((first
< 0) || (last
>= bank
->num_sectors
))
386 return ERROR_FLASH_SECTOR_INVALID
;
388 for (i
= first
; i
<= last
; i
++)
390 /* check single sector */
391 param_table
[0] = param_table
[1] = i
;
392 status_code
= lpc2000_iap_call(bank
, 53, param_table
, result_table
);
396 case ERROR_FLASH_OPERATION_FAILED
:
397 return ERROR_FLASH_OPERATION_FAILED
;
398 case LPC2000_CMD_SUCCESS
:
399 bank
->sectors
[i
].is_erased
= 1;
401 case LPC2000_SECTOR_NOT_BLANK
:
402 bank
->sectors
[i
].is_erased
= 0;
404 case LPC2000_INVALID_SECTOR
:
405 bank
->sectors
[i
].is_erased
= 0;
408 return ERROR_FLASH_BUSY
;
411 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code
);
420 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
422 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command
)
424 struct lpc2000_flash_bank
*lpc2000_info
;
428 LOG_WARNING("incomplete flash_bank lpc2000 configuration");
429 return ERROR_FLASH_BANK_INVALID
;
432 lpc2000_info
= malloc(sizeof(struct lpc2000_flash_bank
));
433 bank
->driver_priv
= lpc2000_info
;
435 if (strcmp(CMD_ARGV
[6], "lpc2000_v1") == 0)
437 lpc2000_info
->variant
= lpc2000_v1
;
438 lpc2000_info
->cmd51_dst_boundary
= 512;
439 lpc2000_info
->cmd51_can_256b
= 0;
440 lpc2000_info
->cmd51_can_8192b
= 1;
441 lpc2000_info
->checksum_vector
= 5;
443 else if (strcmp(CMD_ARGV
[6], "lpc2000_v2") == 0)
445 lpc2000_info
->variant
= lpc2000_v2
;
446 lpc2000_info
->cmd51_dst_boundary
= 256;
447 lpc2000_info
->cmd51_can_256b
= 1;
448 lpc2000_info
->cmd51_can_8192b
= 0;
449 lpc2000_info
->checksum_vector
= 5;
451 else if (strcmp(CMD_ARGV
[6], "lpc1700") == 0)
453 lpc2000_info
->variant
= lpc1700
;
454 lpc2000_info
->cmd51_dst_boundary
= 256;
455 lpc2000_info
->cmd51_can_256b
= 1;
456 lpc2000_info
->cmd51_can_8192b
= 0;
457 lpc2000_info
->checksum_vector
= 7;
461 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV
[6]);
463 return ERROR_FLASH_BANK_INVALID
;
466 lpc2000_info
->iap_working_area
= NULL
;
467 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[7], lpc2000_info
->cclk
);
468 lpc2000_info
->calc_checksum
= 0;
469 lpc2000_build_sector_list(bank
);
473 if (strcmp(CMD_ARGV
[8], "calc_checksum") == 0)
474 lpc2000_info
->calc_checksum
= 1;
480 static int lpc2000_erase(struct flash_bank
*bank
, int first
, int last
)
482 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
483 uint32_t param_table
[5];
484 uint32_t result_table
[4];
487 if (bank
->target
->state
!= TARGET_HALTED
)
489 LOG_ERROR("Target not halted");
490 return ERROR_TARGET_NOT_HALTED
;
493 param_table
[0] = first
;
494 param_table
[1] = last
;
495 param_table
[2] = lpc2000_info
->cclk
;
497 /* Prepare sectors */
498 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
501 case ERROR_FLASH_OPERATION_FAILED
:
502 return ERROR_FLASH_OPERATION_FAILED
;
503 case LPC2000_CMD_SUCCESS
:
505 case LPC2000_INVALID_SECTOR
:
506 return ERROR_FLASH_SECTOR_INVALID
;
509 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
510 return ERROR_FLASH_OPERATION_FAILED
;
514 status_code
= lpc2000_iap_call(bank
, 52, param_table
, result_table
);
517 case ERROR_FLASH_OPERATION_FAILED
:
518 return ERROR_FLASH_OPERATION_FAILED
;
519 case LPC2000_CMD_SUCCESS
:
521 case LPC2000_INVALID_SECTOR
:
522 return ERROR_FLASH_SECTOR_INVALID
;
525 LOG_WARNING("lpc2000 erase sectors returned %i", status_code
);
526 return ERROR_FLASH_OPERATION_FAILED
;
532 static int lpc2000_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
534 /* can't protect/unprotect on the lpc2000 */
538 static int lpc2000_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
540 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
541 struct target
*target
= bank
->target
;
542 uint32_t dst_min_alignment
;
543 uint32_t bytes_remaining
= count
;
544 uint32_t bytes_written
= 0;
545 int first_sector
= 0;
547 uint32_t param_table
[5];
548 uint32_t result_table
[4];
551 struct working_area
*download_area
;
552 int retval
= ERROR_OK
;
554 if (bank
->target
->state
!= TARGET_HALTED
)
556 LOG_ERROR("Target not halted");
557 return ERROR_TARGET_NOT_HALTED
;
560 if (offset
+ count
> bank
->size
)
561 return ERROR_FLASH_DST_OUT_OF_BANK
;
563 dst_min_alignment
= lpc2000_info
->cmd51_dst_boundary
;
565 if (offset
% dst_min_alignment
)
567 LOG_WARNING("offset 0x%" PRIx32
" breaks required alignment 0x%" PRIx32
, offset
, dst_min_alignment
);
568 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
571 for (i
= 0; i
< bank
->num_sectors
; i
++)
573 if (offset
>= bank
->sectors
[i
].offset
)
575 if (offset
+ DIV_ROUND_UP(count
, dst_min_alignment
) * dst_min_alignment
> bank
->sectors
[i
].offset
)
579 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector
, last_sector
);
581 /* check if exception vectors should be flashed */
582 if ((offset
== 0) && (count
>= 0x20) && lpc2000_info
->calc_checksum
)
584 uint32_t checksum
= 0;
586 for (i
= 0; i
< 8; i
++)
588 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32
, i
* 4, buf_get_u32(buffer
+ (i
* 4), 0, 32));
589 if (i
!= lpc2000_info
->checksum_vector
)
590 checksum
+= buf_get_u32(buffer
+ (i
* 4), 0, 32);
592 checksum
= 0 - checksum
;
593 LOG_DEBUG("checksum: 0x%8.8" PRIx32
, checksum
);
595 uint32_t original_value
= buf_get_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32);
596 if (original_value
!= checksum
)
598 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
").",
599 original_value
, checksum
);
600 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
603 buf_set_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32, checksum
);
606 /* allocate a working area */
607 if (target_alloc_working_area(target
, lpc2000_info
->cmd51_max_buffer
, &download_area
) != ERROR_OK
)
609 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
610 return ERROR_FLASH_OPERATION_FAILED
;
613 while (bytes_remaining
> 0)
615 uint32_t thisrun_bytes
;
616 if (bytes_remaining
>= lpc2000_info
->cmd51_max_buffer
)
617 thisrun_bytes
= lpc2000_info
->cmd51_max_buffer
;
618 else if (bytes_remaining
>= 1024)
619 thisrun_bytes
= 1024;
620 else if ((bytes_remaining
>= 512) || (!lpc2000_info
->cmd51_can_256b
))
625 /* Prepare sectors */
626 param_table
[0] = first_sector
;
627 param_table
[1] = last_sector
;
628 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
631 case ERROR_FLASH_OPERATION_FAILED
:
632 retval
= ERROR_FLASH_OPERATION_FAILED
;
634 case LPC2000_CMD_SUCCESS
:
636 case LPC2000_INVALID_SECTOR
:
637 retval
= ERROR_FLASH_SECTOR_INVALID
;
640 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
641 retval
= ERROR_FLASH_OPERATION_FAILED
;
645 /* Exit if error occured */
646 if (retval
!= ERROR_OK
)
649 if (bytes_remaining
>= thisrun_bytes
)
651 if ((retval
= target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, buffer
+ bytes_written
)) != ERROR_OK
)
653 retval
= ERROR_FLASH_OPERATION_FAILED
;
659 uint8_t *last_buffer
= malloc(thisrun_bytes
);
660 memcpy(last_buffer
, buffer
+ bytes_written
, bytes_remaining
);
661 memset(last_buffer
+ bytes_remaining
, 0xff, thisrun_bytes
- bytes_remaining
);
662 target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, last_buffer
);
666 LOG_DEBUG("writing 0x%" PRIx32
" bytes to address 0x%" PRIx32
, thisrun_bytes
, bank
->base
+ offset
+ bytes_written
);
669 param_table
[0] = bank
->base
+ offset
+ bytes_written
;
670 param_table
[1] = download_area
->address
;
671 param_table
[2] = thisrun_bytes
;
672 param_table
[3] = lpc2000_info
->cclk
;
673 status_code
= lpc2000_iap_call(bank
, 51, param_table
, result_table
);
676 case ERROR_FLASH_OPERATION_FAILED
:
677 retval
= ERROR_FLASH_OPERATION_FAILED
;
679 case LPC2000_CMD_SUCCESS
:
681 case LPC2000_INVALID_SECTOR
:
682 retval
= ERROR_FLASH_SECTOR_INVALID
;
685 LOG_WARNING("lpc2000 returned %i", status_code
);
686 retval
= ERROR_FLASH_OPERATION_FAILED
;
690 /* Exit if error occured */
691 if (retval
!= ERROR_OK
)
694 if (bytes_remaining
> thisrun_bytes
)
695 bytes_remaining
-= thisrun_bytes
;
698 bytes_written
+= thisrun_bytes
;
701 target_free_working_area(target
, download_area
);
706 static int lpc2000_probe(struct flash_bank
*bank
)
708 /* we can't probe on an lpc2000
709 * if this is an lpc2xxx, it has the configured flash
714 static int lpc2000_erase_check(struct flash_bank
*bank
)
716 if (bank
->target
->state
!= TARGET_HALTED
)
718 LOG_ERROR("Target not halted");
719 return ERROR_TARGET_NOT_HALTED
;
722 return lpc2000_iap_blank_check(bank
, 0, bank
->num_sectors
- 1);
725 static int lpc2000_protect_check(struct flash_bank
*bank
)
727 /* sectors are always protected */
731 static int lpc2000_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
733 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
735 snprintf(buf
, buf_size
, "lpc2000 flash driver variant: %i, clk: %" PRIi32
"kHz" , lpc2000_info
->variant
, lpc2000_info
->cclk
);
740 COMMAND_HANDLER(lpc2000_handle_part_id_command
)
742 uint32_t param_table
[5];
743 uint32_t result_table
[4];
748 return ERROR_COMMAND_SYNTAX_ERROR
;
751 struct flash_bank
*bank
;
752 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &bank
);
753 if (ERROR_OK
!= retval
)
756 if (bank
->target
->state
!= TARGET_HALTED
)
758 LOG_ERROR("Target not halted");
759 return ERROR_TARGET_NOT_HALTED
;
762 if ((status_code
= lpc2000_iap_call(bank
, 54, param_table
, result_table
)) != 0x0)
764 if (status_code
== ERROR_FLASH_OPERATION_FAILED
)
766 command_print(CMD_CTX
, "no sufficient working area specified, can't access LPC2000 IAP interface");
769 command_print(CMD_CTX
, "lpc2000 IAP returned status code %i", status_code
);
773 command_print(CMD_CTX
, "lpc2000 part id: 0x%8.8" PRIx32
, result_table
[0]);
779 static const struct command_registration lpc2000_exec_command_handlers
[] = {
782 .handler
= &lpc2000_handle_part_id_command
,
783 .mode
= COMMAND_EXEC
,
784 .help
= "print part id of lpc2000 flash bank <num>",
786 COMMAND_REGISTRATION_DONE
788 static const struct command_registration lpc2000_command_handlers
[] = {
792 .help
= "lpc2000 flash command group",
793 .chain
= lpc2000_exec_command_handlers
,
795 COMMAND_REGISTRATION_DONE
798 struct flash_driver lpc2000_flash
= {
800 .commands
= lpc2000_command_handlers
,
801 .flash_bank_command
= &lpc2000_flash_bank_command
,
802 .erase
= &lpc2000_erase
,
803 .protect
= &lpc2000_protect
,
804 .write
= &lpc2000_write
,
805 .probe
= &lpc2000_probe
,
806 .auto_probe
= &lpc2000_probe
,
807 .erase_check
= &lpc2000_erase_check
,
808 .protect_check
= &lpc2000_protect_check
,
809 .info
= &lpc2000_info
,