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>
37 * flash programming support for NXP LPC17xx and LPC2xxx devices.
39 * @todo Provide a way to update CCLK after declaring the flash bank.
40 * The value which is correct after chip reset will rarely still work
41 * right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
44 * currently supported devices:
45 * variant 1 (lpc2000_v1):
53 * variant 2 (lpc2000_v2):
62 * - 176x (tested with LPC1768)
72 struct lpc2000_flash_bank
74 lpc2000_variant variant
;
75 struct working_area
*iap_working_area
;
77 int cmd51_dst_boundary
;
81 uint32_t cmd51_max_buffer
;
85 enum lpc2000_status_codes
87 LPC2000_CMD_SUCCESS
= 0,
88 LPC2000_INVALID_COMMAND
= 1,
89 LPC2000_SRC_ADDR_ERROR
= 2,
90 LPC2000_DST_ADDR_ERROR
= 3,
91 LPC2000_SRC_ADDR_NOT_MAPPED
= 4,
92 LPC2000_DST_ADDR_NOT_MAPPED
= 5,
93 LPC2000_COUNT_ERROR
= 6,
94 LPC2000_INVALID_SECTOR
= 7,
95 LPC2000_SECTOR_NOT_BLANK
= 8,
96 LPC2000_SECTOR_NOT_PREPARED
= 9,
97 LPC2000_COMPARE_ERROR
= 10,
99 LPC2000_PARAM_ERROR
= 12,
100 LPC2000_ADDR_ERROR
= 13,
101 LPC2000_ADDR_NOT_MAPPED
= 14,
102 LPC2000_CMD_NOT_LOCKED
= 15,
103 LPC2000_INVALID_CODE
= 16,
104 LPC2000_INVALID_BAUD_RATE
= 17,
105 LPC2000_INVALID_STOP_BIT
= 18,
106 LPC2000_CRP_ENABLED
= 19
110 static int lpc2000_build_sector_list(struct flash_bank
*bank
)
112 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
116 /* default to a 4096 write buffer */
117 lpc2000_info
->cmd51_max_buffer
= 4096;
119 if (lpc2000_info
->variant
== lpc2000_v1
)
121 /* variant 1 has different layout for 128kb and 256kb flashes */
122 if (bank
->size
== 128 * 1024)
124 bank
->num_sectors
= 16;
125 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 16);
126 for (i
= 0; i
< 16; i
++)
128 bank
->sectors
[i
].offset
= offset
;
129 bank
->sectors
[i
].size
= 8 * 1024;
130 offset
+= bank
->sectors
[i
].size
;
131 bank
->sectors
[i
].is_erased
= -1;
132 bank
->sectors
[i
].is_protected
= 1;
135 else if (bank
->size
== 256 * 1024)
137 bank
->num_sectors
= 18;
138 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 18);
140 for (i
= 0; i
< 8; i
++)
142 bank
->sectors
[i
].offset
= offset
;
143 bank
->sectors
[i
].size
= 8 * 1024;
144 offset
+= bank
->sectors
[i
].size
;
145 bank
->sectors
[i
].is_erased
= -1;
146 bank
->sectors
[i
].is_protected
= 1;
148 for (i
= 8; i
< 10; i
++)
150 bank
->sectors
[i
].offset
= offset
;
151 bank
->sectors
[i
].size
= 64 * 1024;
152 offset
+= bank
->sectors
[i
].size
;
153 bank
->sectors
[i
].is_erased
= -1;
154 bank
->sectors
[i
].is_protected
= 1;
156 for (i
= 10; i
< 18; i
++)
158 bank
->sectors
[i
].offset
= offset
;
159 bank
->sectors
[i
].size
= 8 * 1024;
160 offset
+= bank
->sectors
[i
].size
;
161 bank
->sectors
[i
].is_erased
= -1;
162 bank
->sectors
[i
].is_protected
= 1;
167 LOG_ERROR("BUG: unknown bank->size encountered");
171 else if (lpc2000_info
->variant
== lpc2000_v2
)
173 /* variant 2 has a uniform layout, only number of sectors differs */
177 lpc2000_info
->cmd51_max_buffer
= 1024;
178 bank
->num_sectors
= 1;
181 lpc2000_info
->cmd51_max_buffer
= 1024;
182 bank
->num_sectors
= 2;
185 bank
->num_sectors
= 4;
188 bank
->num_sectors
= 8;
191 bank
->num_sectors
= 9;
194 bank
->num_sectors
= 11;
197 bank
->num_sectors
= 15;
201 bank
->num_sectors
= 27;
204 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 if ((i
>= 0) && (i
< 8))
215 bank
->sectors
[i
].offset
= offset
;
216 bank
->sectors
[i
].size
= 4 * 1024;
217 offset
+= bank
->sectors
[i
].size
;
218 bank
->sectors
[i
].is_erased
= -1;
219 bank
->sectors
[i
].is_protected
= 1;
221 if ((i
>= 8) && (i
< 22))
223 bank
->sectors
[i
].offset
= offset
;
224 bank
->sectors
[i
].size
= 32 * 1024;
225 offset
+= bank
->sectors
[i
].size
;
226 bank
->sectors
[i
].is_erased
= -1;
227 bank
->sectors
[i
].is_protected
= 1;
229 if ((i
>= 22) && (i
< 27))
231 bank
->sectors
[i
].offset
= offset
;
232 bank
->sectors
[i
].size
= 4 * 1024;
233 offset
+= bank
->sectors
[i
].size
;
234 bank
->sectors
[i
].is_erased
= -1;
235 bank
->sectors
[i
].is_protected
= 1;
239 else if (lpc2000_info
->variant
== lpc1700
)
244 bank
->num_sectors
= 8;
247 bank
->num_sectors
= 16;
250 bank
->num_sectors
= 18;
253 bank
->num_sectors
= 22;
256 bank
->num_sectors
= 30;
259 LOG_ERROR("BUG: unknown bank->size encountered");
263 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
265 for(i
= 0; i
< bank
->num_sectors
; i
++)
267 bank
->sectors
[i
].offset
= offset
;
268 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
269 bank
->sectors
[i
].size
= (i
< 16)? 4 * 1024 : 32 * 1024;
270 offset
+= bank
->sectors
[i
].size
;
271 bank
->sectors
[i
].is_erased
= -1;
272 bank
->sectors
[i
].is_protected
= 1;
277 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
284 /* call LPC1700/LPC2000 IAP function
285 * uses 180 bytes working area
286 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
287 * 0x8 to 0x1f: command parameter table (1+5 words)
288 * 0x20 to 0x33: command result table (1+4 words)
289 * 0x34 to 0xb3: stack (only 128b needed)
291 static int lpc2000_iap_call(struct flash_bank
*bank
, int code
, uint32_t param_table
[5], uint32_t result_table
[4])
294 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
295 struct target
*target
= bank
->target
;
296 struct mem_param mem_params
[2];
297 struct reg_param reg_params
[5];
298 struct arm_algorithm armv4_5_info
; /* for LPC2000 */
299 struct armv7m_algorithm armv7m_info
; /* for LPC1700 */
300 uint32_t status_code
;
301 uint32_t iap_entry_point
= 0; /* to make compiler happier */
303 /* regrab previously allocated working_area, or allocate a new one */
304 if (!lpc2000_info
->iap_working_area
)
306 uint8_t jump_gate
[8];
308 /* make sure we have a working area */
309 if (target_alloc_working_area(target
, 180, &lpc2000_info
->iap_working_area
) != ERROR_OK
)
311 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
312 return ERROR_FLASH_OPERATION_FAILED
;
315 /* write IAP code to working area */
316 switch(lpc2000_info
->variant
)
319 target_buffer_set_u32(target
, jump_gate
,
321 target_buffer_set_u32(target
, jump_gate
+ 4,
326 target_buffer_set_u32(target
, jump_gate
, ARMV4_5_BX(12));
327 target_buffer_set_u32(target
, jump_gate
+ 4, ARMV4_5_B(0xfffffe, 0));
330 LOG_ERROR("BUG: unknown bank->size encountered");
334 if ((retval
= target_write_memory(target
, lpc2000_info
->iap_working_area
->address
, 4, 2, jump_gate
)) != ERROR_OK
)
336 LOG_ERROR("Write memory at address 0x%8.8" PRIx32
" failed (check work_area definition)", lpc2000_info
->iap_working_area
->address
);
341 switch(lpc2000_info
->variant
)
344 armv7m_info
.common_magic
= ARMV7M_COMMON_MAGIC
;
345 armv7m_info
.core_mode
= ARMV7M_MODE_ANY
;
346 iap_entry_point
= 0x1fff1ff1;
350 armv4_5_info
.common_magic
= ARM_COMMON_MAGIC
;
351 armv4_5_info
.core_mode
= ARM_MODE_SVC
;
352 armv4_5_info
.core_state
= ARM_STATE_ARM
;
353 iap_entry_point
= 0x7ffffff1;
356 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
360 /* command parameter table */
361 init_mem_param(&mem_params
[0], lpc2000_info
->iap_working_area
->address
+ 8, 6 * 4, PARAM_OUT
);
362 target_buffer_set_u32(target
, mem_params
[0].value
, code
);
363 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x04, param_table
[0]);
364 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x08, param_table
[1]);
365 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x0c, param_table
[2]);
366 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x10, param_table
[3]);
367 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x14, param_table
[4]);
369 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
370 buf_set_u32(reg_params
[0].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x08);
372 /* command result table */
373 init_mem_param(&mem_params
[1], lpc2000_info
->iap_working_area
->address
+ 0x20, 5 * 4, PARAM_IN
);
375 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
376 buf_set_u32(reg_params
[1].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x20);
378 /* IAP entry point */
379 init_reg_param(®_params
[2], "r12", 32, PARAM_OUT
);
380 buf_set_u32(reg_params
[2].value
, 0, 32, iap_entry_point
);
382 switch(lpc2000_info
->variant
)
386 init_reg_param(®_params
[3], "sp", 32, PARAM_OUT
);
387 buf_set_u32(reg_params
[3].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0xb4);
390 init_reg_param(®_params
[4], "lr", 32, PARAM_OUT
);
391 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 */
393 target_run_algorithm(target
, 2, mem_params
, 5, reg_params
, lpc2000_info
->iap_working_area
->address
, 0, 10000, &armv7m_info
);
398 init_reg_param(®_params
[3], "sp_svc", 32, PARAM_OUT
);
399 buf_set_u32(reg_params
[3].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0xb4);
402 init_reg_param(®_params
[4], "lr_svc", 32, PARAM_OUT
);
403 buf_set_u32(reg_params
[4].value
, 0, 32, lpc2000_info
->iap_working_area
->address
+ 0x04);
405 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
);
408 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 LOG_WARNING("incomplete flash_bank lpc2000 configuration");
485 return ERROR_FLASH_BANK_INVALID
;
488 lpc2000_info
= malloc(sizeof(struct lpc2000_flash_bank
));
489 bank
->driver_priv
= lpc2000_info
;
491 if (strcmp(CMD_ARGV
[6], "lpc2000_v1") == 0)
493 lpc2000_info
->variant
= lpc2000_v1
;
494 lpc2000_info
->cmd51_dst_boundary
= 512;
495 lpc2000_info
->cmd51_can_256b
= 0;
496 lpc2000_info
->cmd51_can_8192b
= 1;
497 lpc2000_info
->checksum_vector
= 5;
499 else if (strcmp(CMD_ARGV
[6], "lpc2000_v2") == 0)
501 lpc2000_info
->variant
= lpc2000_v2
;
502 lpc2000_info
->cmd51_dst_boundary
= 256;
503 lpc2000_info
->cmd51_can_256b
= 1;
504 lpc2000_info
->cmd51_can_8192b
= 0;
505 lpc2000_info
->checksum_vector
= 5;
507 else if (strcmp(CMD_ARGV
[6], "lpc1700") == 0)
509 lpc2000_info
->variant
= lpc1700
;
510 lpc2000_info
->cmd51_dst_boundary
= 256;
511 lpc2000_info
->cmd51_can_256b
= 1;
512 lpc2000_info
->cmd51_can_8192b
= 0;
513 lpc2000_info
->checksum_vector
= 7;
517 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV
[6]);
519 return ERROR_FLASH_BANK_INVALID
;
522 lpc2000_info
->iap_working_area
= NULL
;
523 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[7], lpc2000_info
->cclk
);
524 lpc2000_info
->calc_checksum
= 0;
525 lpc2000_build_sector_list(bank
);
529 if (strcmp(CMD_ARGV
[8], "calc_checksum") == 0)
530 lpc2000_info
->calc_checksum
= 1;
536 static int lpc2000_erase(struct flash_bank
*bank
, int first
, int last
)
538 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
539 uint32_t param_table
[5];
540 uint32_t result_table
[4];
543 if (bank
->target
->state
!= TARGET_HALTED
)
545 LOG_ERROR("Target not halted");
546 return ERROR_TARGET_NOT_HALTED
;
549 param_table
[0] = first
;
550 param_table
[1] = last
;
551 param_table
[2] = lpc2000_info
->cclk
;
553 /* Prepare sectors */
554 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
557 case ERROR_FLASH_OPERATION_FAILED
:
558 return ERROR_FLASH_OPERATION_FAILED
;
559 case LPC2000_CMD_SUCCESS
:
561 case LPC2000_INVALID_SECTOR
:
562 return ERROR_FLASH_SECTOR_INVALID
;
565 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
566 return ERROR_FLASH_OPERATION_FAILED
;
570 status_code
= lpc2000_iap_call(bank
, 52, param_table
, result_table
);
573 case ERROR_FLASH_OPERATION_FAILED
:
574 return ERROR_FLASH_OPERATION_FAILED
;
575 case LPC2000_CMD_SUCCESS
:
577 case LPC2000_INVALID_SECTOR
:
578 return ERROR_FLASH_SECTOR_INVALID
;
581 LOG_WARNING("lpc2000 erase sectors returned %i", status_code
);
582 return ERROR_FLASH_OPERATION_FAILED
;
588 static int lpc2000_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
590 /* can't protect/unprotect on the lpc2000 */
594 static int lpc2000_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
596 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
597 struct target
*target
= bank
->target
;
598 uint32_t dst_min_alignment
;
599 uint32_t bytes_remaining
= count
;
600 uint32_t bytes_written
= 0;
601 int first_sector
= 0;
603 uint32_t param_table
[5];
604 uint32_t result_table
[4];
607 struct working_area
*download_area
;
608 int retval
= ERROR_OK
;
610 if (bank
->target
->state
!= TARGET_HALTED
)
612 LOG_ERROR("Target not halted");
613 return ERROR_TARGET_NOT_HALTED
;
616 if (offset
+ count
> bank
->size
)
617 return ERROR_FLASH_DST_OUT_OF_BANK
;
619 dst_min_alignment
= lpc2000_info
->cmd51_dst_boundary
;
621 if (offset
% dst_min_alignment
)
623 LOG_WARNING("offset 0x%" PRIx32
" breaks required alignment 0x%" PRIx32
, offset
, dst_min_alignment
);
624 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
627 for (i
= 0; i
< bank
->num_sectors
; i
++)
629 if (offset
>= bank
->sectors
[i
].offset
)
631 if (offset
+ DIV_ROUND_UP(count
, dst_min_alignment
) * dst_min_alignment
> bank
->sectors
[i
].offset
)
635 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector
, last_sector
);
637 /* check if exception vectors should be flashed */
638 if ((offset
== 0) && (count
>= 0x20) && lpc2000_info
->calc_checksum
)
640 uint32_t checksum
= 0;
641 for (i
= 0; i
< 8; i
++)
643 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32
, i
* 4, buf_get_u32(buffer
+ (i
* 4), 0, 32));
644 if (i
!= lpc2000_info
->checksum_vector
)
645 checksum
+= buf_get_u32(buffer
+ (i
* 4), 0, 32);
647 checksum
= 0 - checksum
;
648 LOG_DEBUG("checksum: 0x%8.8" PRIx32
, checksum
);
650 uint32_t original_value
= buf_get_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32);
651 if (original_value
!= checksum
)
653 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
").",
654 original_value
, checksum
);
655 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
658 buf_set_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32, checksum
);
661 /* allocate a working area */
662 if (target_alloc_working_area(target
, lpc2000_info
->cmd51_max_buffer
, &download_area
) != ERROR_OK
)
664 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
665 return ERROR_FLASH_OPERATION_FAILED
;
668 while (bytes_remaining
> 0)
670 uint32_t thisrun_bytes
;
671 if (bytes_remaining
>= lpc2000_info
->cmd51_max_buffer
)
672 thisrun_bytes
= lpc2000_info
->cmd51_max_buffer
;
673 else if (bytes_remaining
>= 1024)
674 thisrun_bytes
= 1024;
675 else if ((bytes_remaining
>= 512) || (!lpc2000_info
->cmd51_can_256b
))
680 /* Prepare sectors */
681 param_table
[0] = first_sector
;
682 param_table
[1] = last_sector
;
683 status_code
= lpc2000_iap_call(bank
, 50, param_table
, result_table
);
686 case ERROR_FLASH_OPERATION_FAILED
:
687 retval
= ERROR_FLASH_OPERATION_FAILED
;
689 case LPC2000_CMD_SUCCESS
:
691 case LPC2000_INVALID_SECTOR
:
692 retval
= ERROR_FLASH_SECTOR_INVALID
;
695 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
696 retval
= ERROR_FLASH_OPERATION_FAILED
;
700 /* Exit if error occured */
701 if (retval
!= ERROR_OK
)
704 if (bytes_remaining
>= thisrun_bytes
)
706 if ((retval
= target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, buffer
+ bytes_written
)) != ERROR_OK
)
708 retval
= ERROR_FLASH_OPERATION_FAILED
;
714 uint8_t *last_buffer
= malloc(thisrun_bytes
);
715 memcpy(last_buffer
, buffer
+ bytes_written
, bytes_remaining
);
716 memset(last_buffer
+ bytes_remaining
, 0xff, thisrun_bytes
- bytes_remaining
);
717 target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, last_buffer
);
721 LOG_DEBUG("writing 0x%" PRIx32
" bytes to address 0x%" PRIx32
, thisrun_bytes
, bank
->base
+ offset
+ bytes_written
);
724 param_table
[0] = bank
->base
+ offset
+ bytes_written
;
725 param_table
[1] = download_area
->address
;
726 param_table
[2] = thisrun_bytes
;
727 param_table
[3] = lpc2000_info
->cclk
;
728 status_code
= lpc2000_iap_call(bank
, 51, param_table
, result_table
);
731 case ERROR_FLASH_OPERATION_FAILED
:
732 retval
= ERROR_FLASH_OPERATION_FAILED
;
734 case LPC2000_CMD_SUCCESS
:
736 case LPC2000_INVALID_SECTOR
:
737 retval
= ERROR_FLASH_SECTOR_INVALID
;
740 LOG_WARNING("lpc2000 returned %i", status_code
);
741 retval
= ERROR_FLASH_OPERATION_FAILED
;
745 /* Exit if error occured */
746 if (retval
!= ERROR_OK
)
749 if (bytes_remaining
> thisrun_bytes
)
750 bytes_remaining
-= thisrun_bytes
;
753 bytes_written
+= thisrun_bytes
;
756 target_free_working_area(target
, download_area
);
761 static int lpc2000_probe(struct flash_bank
*bank
)
763 /* we can't probe on an lpc2000
764 * if this is an lpc2xxx, it has the configured flash
769 static int lpc2000_erase_check(struct flash_bank
*bank
)
771 if (bank
->target
->state
!= TARGET_HALTED
)
773 LOG_ERROR("Target not halted");
774 return ERROR_TARGET_NOT_HALTED
;
777 return lpc2000_iap_blank_check(bank
, 0, bank
->num_sectors
- 1);
780 static int lpc2000_protect_check(struct flash_bank
*bank
)
782 /* sectors are always protected */
786 static int get_lpc2000_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
788 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
790 snprintf(buf
, buf_size
, "lpc2000 flash driver variant: %i, clk: %" PRIi32
"kHz" , lpc2000_info
->variant
, lpc2000_info
->cclk
);
795 COMMAND_HANDLER(lpc2000_handle_part_id_command
)
797 uint32_t param_table
[5];
798 uint32_t result_table
[4];
803 return ERROR_COMMAND_SYNTAX_ERROR
;
806 struct flash_bank
*bank
;
807 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &bank
);
808 if (ERROR_OK
!= retval
)
811 if (bank
->target
->state
!= TARGET_HALTED
)
813 LOG_ERROR("Target not halted");
814 return ERROR_TARGET_NOT_HALTED
;
817 if ((status_code
= lpc2000_iap_call(bank
, 54, param_table
, result_table
)) != 0x0)
819 if (status_code
== ERROR_FLASH_OPERATION_FAILED
)
821 command_print(CMD_CTX
, "no sufficient working area specified, can't access LPC2000 IAP interface");
824 command_print(CMD_CTX
, "lpc2000 IAP returned status code %i", status_code
);
828 command_print(CMD_CTX
, "lpc2000 part id: 0x%8.8" PRIx32
, result_table
[0]);
834 static const struct command_registration lpc2000_exec_command_handlers
[] = {
837 .handler
= lpc2000_handle_part_id_command
,
838 .mode
= COMMAND_EXEC
,
839 .help
= "print part id of lpc2000 flash bank <num>",
841 COMMAND_REGISTRATION_DONE
843 static const struct command_registration lpc2000_command_handlers
[] = {
847 .help
= "lpc2000 flash command group",
848 .chain
= lpc2000_exec_command_handlers
,
850 COMMAND_REGISTRATION_DONE
853 struct flash_driver lpc2000_flash
= {
855 .commands
= lpc2000_command_handlers
,
856 .flash_bank_command
= lpc2000_flash_bank_command
,
857 .erase
= lpc2000_erase
,
858 .protect
= lpc2000_protect
,
859 .write
= lpc2000_write
,
860 .read
= default_flash_read
,
861 .probe
= lpc2000_probe
,
862 .auto_probe
= lpc2000_probe
,
863 .erase_check
= lpc2000_erase_check
,
864 .protect_check
= lpc2000_protect_check
,
865 .info
= get_lpc2000_info
,
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