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
,
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