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. The value which is correct after chip reset will
39 * rarely still work right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
42 * currently supported devices:
43 * variant 1 (lpc2000_v1):
51 * variant 2 (lpc2000_v2):
60 * - 176x (tested with LPC1768)
69 struct lpc2000_flash_bank
{
70 lpc2000_variant variant
;
72 int cmd51_dst_boundary
;
76 uint32_t cmd51_max_buffer
;
80 enum lpc2000_status_codes
{
81 LPC2000_CMD_SUCCESS
= 0,
82 LPC2000_INVALID_COMMAND
= 1,
83 LPC2000_SRC_ADDR_ERROR
= 2,
84 LPC2000_DST_ADDR_ERROR
= 3,
85 LPC2000_SRC_ADDR_NOT_MAPPED
= 4,
86 LPC2000_DST_ADDR_NOT_MAPPED
= 5,
87 LPC2000_COUNT_ERROR
= 6,
88 LPC2000_INVALID_SECTOR
= 7,
89 LPC2000_SECTOR_NOT_BLANK
= 8,
90 LPC2000_SECTOR_NOT_PREPARED
= 9,
91 LPC2000_COMPARE_ERROR
= 10,
93 LPC2000_PARAM_ERROR
= 12,
94 LPC2000_ADDR_ERROR
= 13,
95 LPC2000_ADDR_NOT_MAPPED
= 14,
96 LPC2000_CMD_NOT_LOCKED
= 15,
97 LPC2000_INVALID_CODE
= 16,
98 LPC2000_INVALID_BAUD_RATE
= 17,
99 LPC2000_INVALID_STOP_BIT
= 18,
100 LPC2000_CRP_ENABLED
= 19
103 static int lpc2000_build_sector_list(struct flash_bank
*bank
)
105 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
108 /* default to a 4096 write buffer */
109 lpc2000_info
->cmd51_max_buffer
= 4096;
111 if (lpc2000_info
->variant
== lpc2000_v1
) {
112 /* variant 1 has different layout for 128kb and 256kb flashes */
113 if (bank
->size
== 128 * 1024) {
114 bank
->num_sectors
= 16;
115 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 16);
116 for (int i
= 0; i
< 16; i
++) {
117 bank
->sectors
[i
].offset
= offset
;
118 bank
->sectors
[i
].size
= 8 * 1024;
119 offset
+= bank
->sectors
[i
].size
;
120 bank
->sectors
[i
].is_erased
= -1;
121 bank
->sectors
[i
].is_protected
= 1;
123 } else if (bank
->size
== 256 * 1024) {
124 bank
->num_sectors
= 18;
125 bank
->sectors
= malloc(sizeof(struct flash_sector
) * 18);
127 for (int i
= 0; i
< 8; 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;
134 for (int i
= 8; i
< 10; i
++) {
135 bank
->sectors
[i
].offset
= offset
;
136 bank
->sectors
[i
].size
= 64 * 1024;
137 offset
+= bank
->sectors
[i
].size
;
138 bank
->sectors
[i
].is_erased
= -1;
139 bank
->sectors
[i
].is_protected
= 1;
141 for (int i
= 10; i
< 18; 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;
149 LOG_ERROR("BUG: unknown bank->size encountered");
152 } else if (lpc2000_info
->variant
== lpc2000_v2
) {
153 /* variant 2 has a uniform layout, only number of sectors differs */
154 switch (bank
->size
) {
156 lpc2000_info
->cmd51_max_buffer
= 1024;
157 bank
->num_sectors
= 1;
160 lpc2000_info
->cmd51_max_buffer
= 1024;
161 bank
->num_sectors
= 2;
164 bank
->num_sectors
= 4;
167 bank
->num_sectors
= 8;
170 bank
->num_sectors
= 9;
173 bank
->num_sectors
= 11;
176 bank
->num_sectors
= 15;
179 bank
->num_sectors
= 27;
183 bank
->num_sectors
= 28;
186 LOG_ERROR("BUG: unknown bank->size encountered");
191 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
193 for (int i
= 0; i
< bank
->num_sectors
; i
++) {
195 bank
->sectors
[i
].offset
= offset
;
196 bank
->sectors
[i
].size
= 4 * 1024;
197 offset
+= bank
->sectors
[i
].size
;
198 bank
->sectors
[i
].is_erased
= -1;
199 bank
->sectors
[i
].is_protected
= 1;
201 bank
->sectors
[i
].offset
= offset
;
202 bank
->sectors
[i
].size
= 32 * 1024;
203 offset
+= bank
->sectors
[i
].size
;
204 bank
->sectors
[i
].is_erased
= -1;
205 bank
->sectors
[i
].is_protected
= 1;
207 bank
->sectors
[i
].offset
= offset
;
208 bank
->sectors
[i
].size
= 4 * 1024;
209 offset
+= bank
->sectors
[i
].size
;
210 bank
->sectors
[i
].is_erased
= -1;
211 bank
->sectors
[i
].is_protected
= 1;
214 } else if (lpc2000_info
->variant
== lpc1700
) {
215 switch (bank
->size
) {
217 bank
->num_sectors
= 8;
220 bank
->num_sectors
= 16;
223 bank
->num_sectors
= 18;
226 bank
->num_sectors
= 22;
229 bank
->num_sectors
= 30;
232 LOG_ERROR("BUG: unknown bank->size encountered");
236 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
238 for (int i
= 0; i
< bank
->num_sectors
; i
++) {
239 bank
->sectors
[i
].offset
= offset
;
240 /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
241 bank
->sectors
[i
].size
= (i
< 16) ? 4 * 1024 : 32 * 1024;
242 offset
+= bank
->sectors
[i
].size
;
243 bank
->sectors
[i
].is_erased
= -1;
244 bank
->sectors
[i
].is_protected
= 1;
247 LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
254 /* this function allocates and initializes working area used for IAP algorithm
255 * uses 180 bytes working area
256 * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
257 * 0x8 to 0x1f: command parameter table (1+5 words)
258 * 0x20 to 0x33: command result table (1+4 words)
259 * 0x34 to 0xb3: stack (only 128b needed)
262 static int lpc2000_iap_working_area_init(struct flash_bank
*bank
, struct working_area
**iap_working_area
)
264 struct target
*target
= bank
->target
;
266 if (target_alloc_working_area(target
, 180, 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 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
272 uint8_t jump_gate
[8];
274 /* write IAP code to working area */
275 switch (lpc2000_info
->variant
) {
277 target_buffer_set_u32(target
, jump_gate
, ARMV4_5_T_BX(12));
278 target_buffer_set_u32(target
, jump_gate
+ 4, ARMV5_T_BKPT(0));
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 lpc2000_info->variant encountered");
290 int retval
= target_write_memory(target
, (*iap_working_area
)->address
, 4, 2, jump_gate
);
291 if (retval
!= ERROR_OK
)
292 LOG_ERROR("Write memory at address 0x%8.8" PRIx32
" failed (check work_area definition)",
293 (*iap_working_area
)->address
);
298 /* call LPC1700/LPC2000 IAP function */
300 static int lpc2000_iap_call(struct flash_bank
*bank
, struct working_area
*iap_working_area
, int code
,
301 uint32_t param_table
[5], uint32_t result_table
[4])
303 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
305 struct arm_algorithm arm_algo
; /* for LPC2000 */
306 struct armv7m_algorithm armv7m_info
; /* for LPC1700 */
307 uint32_t iap_entry_point
= 0; /* to make compiler happier */
309 switch (lpc2000_info
->variant
) {
311 armv7m_info
.common_magic
= ARMV7M_COMMON_MAGIC
;
312 armv7m_info
.core_mode
= ARM_MODE_ANY
;
313 iap_entry_point
= 0x1fff1ff1;
317 arm_algo
.common_magic
= ARM_COMMON_MAGIC
;
318 arm_algo
.core_mode
= ARM_MODE_SVC
;
319 arm_algo
.core_state
= ARM_STATE_ARM
;
320 iap_entry_point
= 0x7ffffff1;
323 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
327 struct target
*target
= bank
->target
;
328 struct mem_param mem_params
[2];
330 /* command parameter table */
331 init_mem_param(&mem_params
[0], iap_working_area
->address
+ 8, 6 * 4, PARAM_OUT
);
332 target_buffer_set_u32(target
, mem_params
[0].value
, code
);
333 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x04, param_table
[0]);
334 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x08, param_table
[1]);
335 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x0c, param_table
[2]);
336 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x10, param_table
[3]);
337 target_buffer_set_u32(target
, mem_params
[0].value
+ 0x14, param_table
[4]);
339 struct reg_param reg_params
[5];
341 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
342 buf_set_u32(reg_params
[0].value
, 0, 32, iap_working_area
->address
+ 0x08);
344 /* command result table */
345 init_mem_param(&mem_params
[1], iap_working_area
->address
+ 0x20, 5 * 4, PARAM_IN
);
347 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
348 buf_set_u32(reg_params
[1].value
, 0, 32, iap_working_area
->address
+ 0x20);
350 /* IAP entry point */
351 init_reg_param(®_params
[2], "r12", 32, PARAM_OUT
);
352 buf_set_u32(reg_params
[2].value
, 0, 32, iap_entry_point
);
354 switch (lpc2000_info
->variant
) {
357 init_reg_param(®_params
[3], "sp", 32, PARAM_OUT
);
358 buf_set_u32(reg_params
[3].value
, 0, 32, iap_working_area
->address
+ 0xb4);
361 init_reg_param(®_params
[4], "lr", 32, PARAM_OUT
);
362 buf_set_u32(reg_params
[4].value
, 0, 32, (iap_working_area
->address
+ 0x04) | 1);
363 /* bit0 of LR = 1 to return in Thumb mode */
365 target_run_algorithm(target
, 2, mem_params
, 5, reg_params
, iap_working_area
->address
, 0, 10000,
371 init_reg_param(®_params
[3], "sp_svc", 32, PARAM_OUT
);
372 buf_set_u32(reg_params
[3].value
, 0, 32, iap_working_area
->address
+ 0xb4);
375 init_reg_param(®_params
[4], "lr_svc", 32, PARAM_OUT
);
376 buf_set_u32(reg_params
[4].value
, 0, 32, iap_working_area
->address
+ 0x04);
378 target_run_algorithm(target
, 2, mem_params
, 5, reg_params
, iap_working_area
->address
,
379 iap_working_area
->address
+ 0x4, 10000, &arm_algo
);
382 LOG_ERROR("BUG: unknown lpc2000->variant encountered");
386 int status_code
= target_buffer_get_u32(target
, mem_params
[1].value
);
387 result_table
[0] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x04);
388 result_table
[1] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x08);
389 result_table
[2] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x0c);
390 result_table
[3] = target_buffer_get_u32(target
, mem_params
[1].value
+ 0x10);
392 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
393 ") completed with result = %8.8" PRIx32
,
394 code
, param_table
[0], param_table
[1], param_table
[2], param_table
[3], param_table
[4], status_code
);
396 destroy_mem_param(&mem_params
[0]);
397 destroy_mem_param(&mem_params
[1]);
399 destroy_reg_param(®_params
[0]);
400 destroy_reg_param(®_params
[1]);
401 destroy_reg_param(®_params
[2]);
402 destroy_reg_param(®_params
[3]);
403 destroy_reg_param(®_params
[4]);
408 static int lpc2000_iap_blank_check(struct flash_bank
*bank
, int first
, int last
)
410 if ((first
< 0) || (last
>= bank
->num_sectors
))
411 return ERROR_FLASH_SECTOR_INVALID
;
413 uint32_t param_table
[5] = {0};
414 uint32_t result_table
[4];
415 struct working_area
*iap_working_area
;
417 int retval
= lpc2000_iap_working_area_init(bank
, &iap_working_area
);
419 if (retval
!= ERROR_OK
)
422 for (int i
= first
; i
<= last
&& retval
== ERROR_OK
; i
++) {
423 /* check single sector */
424 param_table
[0] = param_table
[1] = i
;
425 int status_code
= lpc2000_iap_call(bank
, iap_working_area
, 53, param_table
, result_table
);
427 switch (status_code
) {
428 case ERROR_FLASH_OPERATION_FAILED
:
429 retval
= ERROR_FLASH_OPERATION_FAILED
;
431 case LPC2000_CMD_SUCCESS
:
432 bank
->sectors
[i
].is_erased
= 1;
434 case LPC2000_SECTOR_NOT_BLANK
:
435 bank
->sectors
[i
].is_erased
= 0;
437 case LPC2000_INVALID_SECTOR
:
438 bank
->sectors
[i
].is_erased
= 0;
441 retval
= ERROR_FLASH_BUSY
;
444 LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code
);
449 struct target
*target
= bank
->target
;
450 target_free_working_area(target
, iap_working_area
);
456 * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
458 FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command
)
461 return ERROR_COMMAND_SYNTAX_ERROR
;
463 struct lpc2000_flash_bank
*lpc2000_info
= malloc(sizeof(struct lpc2000_flash_bank
));
464 bank
->driver_priv
= lpc2000_info
;
466 if (strcmp(CMD_ARGV
[6], "lpc2000_v1") == 0) {
467 lpc2000_info
->variant
= lpc2000_v1
;
468 lpc2000_info
->cmd51_dst_boundary
= 512;
469 lpc2000_info
->cmd51_can_256b
= 0;
470 lpc2000_info
->cmd51_can_8192b
= 1;
471 lpc2000_info
->checksum_vector
= 5;
472 } else if (strcmp(CMD_ARGV
[6], "lpc2000_v2") == 0) {
473 lpc2000_info
->variant
= lpc2000_v2
;
474 lpc2000_info
->cmd51_dst_boundary
= 256;
475 lpc2000_info
->cmd51_can_256b
= 1;
476 lpc2000_info
->cmd51_can_8192b
= 0;
477 lpc2000_info
->checksum_vector
= 5;
478 } else if (strcmp(CMD_ARGV
[6], "lpc1700") == 0) {
479 lpc2000_info
->variant
= lpc1700
;
480 lpc2000_info
->cmd51_dst_boundary
= 256;
481 lpc2000_info
->cmd51_can_256b
= 1;
482 lpc2000_info
->cmd51_can_8192b
= 0;
483 lpc2000_info
->checksum_vector
= 7;
485 LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV
[6]);
487 return ERROR_FLASH_BANK_INVALID
;
490 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[7], lpc2000_info
->cclk
);
491 lpc2000_info
->calc_checksum
= 0;
492 lpc2000_build_sector_list(bank
);
495 if (strcmp(CMD_ARGV
[8], "calc_checksum") == 0)
496 lpc2000_info
->calc_checksum
= 1;
502 static int lpc2000_erase(struct flash_bank
*bank
, int first
, int last
)
504 if (bank
->target
->state
!= TARGET_HALTED
) {
505 LOG_ERROR("Target not halted");
506 return ERROR_TARGET_NOT_HALTED
;
509 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
510 uint32_t param_table
[5] = {0};
512 param_table
[0] = first
;
513 param_table
[1] = last
;
514 param_table
[2] = lpc2000_info
->cclk
;
516 uint32_t result_table
[4];
517 struct working_area
*iap_working_area
;
519 int retval
= lpc2000_iap_working_area_init(bank
, &iap_working_area
);
521 if (retval
!= ERROR_OK
)
524 /* Prepare sectors */
525 int status_code
= lpc2000_iap_call(bank
, iap_working_area
, 50, param_table
, result_table
);
526 switch (status_code
) {
527 case ERROR_FLASH_OPERATION_FAILED
:
528 retval
= ERROR_FLASH_OPERATION_FAILED
;
530 case LPC2000_CMD_SUCCESS
:
532 case LPC2000_INVALID_SECTOR
:
533 retval
= ERROR_FLASH_SECTOR_INVALID
;
536 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
537 retval
= ERROR_FLASH_OPERATION_FAILED
;
541 if (retval
== ERROR_OK
) {
543 status_code
= lpc2000_iap_call(bank
, iap_working_area
, 52, param_table
, result_table
);
544 switch (status_code
) {
545 case ERROR_FLASH_OPERATION_FAILED
:
546 retval
= ERROR_FLASH_OPERATION_FAILED
;
548 case LPC2000_CMD_SUCCESS
:
550 case LPC2000_INVALID_SECTOR
:
551 retval
= ERROR_FLASH_SECTOR_INVALID
;
554 LOG_WARNING("lpc2000 erase sectors returned %i", status_code
);
555 retval
= ERROR_FLASH_OPERATION_FAILED
;
560 struct target
*target
= bank
->target
;
561 target_free_working_area(target
, iap_working_area
);
566 static int lpc2000_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
568 /* can't protect/unprotect on the lpc2000 */
572 static int lpc2000_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
574 struct target
*target
= bank
->target
;
576 if (bank
->target
->state
!= TARGET_HALTED
) {
577 LOG_ERROR("Target not halted");
578 return ERROR_TARGET_NOT_HALTED
;
581 if (offset
+ count
> bank
->size
)
582 return ERROR_FLASH_DST_OUT_OF_BANK
;
584 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
586 uint32_t dst_min_alignment
= lpc2000_info
->cmd51_dst_boundary
;
588 if (offset
% dst_min_alignment
) {
589 LOG_WARNING("offset 0x%" PRIx32
" breaks required alignment 0x%" PRIx32
, offset
, dst_min_alignment
);
590 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
593 int first_sector
= 0;
596 for (int i
= 0; i
< bank
->num_sectors
; i
++) {
597 if (offset
>= bank
->sectors
[i
].offset
)
599 if (offset
+ DIV_ROUND_UP(count
, dst_min_alignment
) * dst_min_alignment
> bank
->sectors
[i
].offset
)
603 LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector
, last_sector
);
605 /* check if exception vectors should be flashed */
606 if ((offset
== 0) && (count
>= 0x20) && lpc2000_info
->calc_checksum
) {
607 uint32_t checksum
= 0;
608 for (int i
= 0; i
< 8; i
++) {
609 LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32
, i
* 4, buf_get_u32(buffer
+ (i
* 4), 0, 32));
610 if (i
!= lpc2000_info
->checksum_vector
)
611 checksum
+= buf_get_u32(buffer
+ (i
* 4), 0, 32);
613 checksum
= 0 - checksum
;
614 LOG_DEBUG("checksum: 0x%8.8" PRIx32
, checksum
);
616 uint32_t original_value
= buf_get_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32);
617 if (original_value
!= checksum
) {
618 LOG_WARNING("Verification will fail since checksum in image (0x%8.8" PRIx32
") to be written to flash is "
619 "different from calculated vector checksum (0x%8.8" PRIx32
").", original_value
, checksum
);
620 LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector "
624 buf_set_u32(buffer
+ (lpc2000_info
->checksum_vector
* 4), 0, 32, checksum
);
627 struct working_area
*iap_working_area
;
629 int retval
= lpc2000_iap_working_area_init(bank
, &iap_working_area
);
631 if (retval
!= ERROR_OK
)
634 struct working_area
*download_area
;
636 /* allocate a working area */
637 if (target_alloc_working_area(target
, lpc2000_info
->cmd51_max_buffer
, &download_area
) != ERROR_OK
) {
638 LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
639 target_free_working_area(target
, iap_working_area
);
640 return ERROR_FLASH_OPERATION_FAILED
;
643 uint32_t bytes_remaining
= count
;
644 uint32_t bytes_written
= 0;
645 uint32_t param_table
[5] = {0};
646 uint32_t result_table
[4];
648 while (bytes_remaining
> 0) {
649 uint32_t thisrun_bytes
;
650 if (bytes_remaining
>= lpc2000_info
->cmd51_max_buffer
)
651 thisrun_bytes
= lpc2000_info
->cmd51_max_buffer
;
652 else if (bytes_remaining
>= 1024)
653 thisrun_bytes
= 1024;
654 else if ((bytes_remaining
>= 512) || (!lpc2000_info
->cmd51_can_256b
))
659 /* Prepare sectors */
660 param_table
[0] = first_sector
;
661 param_table
[1] = last_sector
;
662 int status_code
= lpc2000_iap_call(bank
, iap_working_area
, 50, param_table
, result_table
);
663 switch (status_code
) {
664 case ERROR_FLASH_OPERATION_FAILED
:
665 retval
= ERROR_FLASH_OPERATION_FAILED
;
667 case LPC2000_CMD_SUCCESS
:
669 case LPC2000_INVALID_SECTOR
:
670 retval
= ERROR_FLASH_SECTOR_INVALID
;
673 LOG_WARNING("lpc2000 prepare sectors returned %i", status_code
);
674 retval
= ERROR_FLASH_OPERATION_FAILED
;
678 /* Exit if error occured */
679 if (retval
!= ERROR_OK
)
682 if (bytes_remaining
>= thisrun_bytes
) {
683 retval
= target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, buffer
+ bytes_written
);
684 if (retval
!= ERROR_OK
) {
685 retval
= ERROR_FLASH_OPERATION_FAILED
;
689 uint8_t *last_buffer
= malloc(thisrun_bytes
);
690 memcpy(last_buffer
, buffer
+ bytes_written
, bytes_remaining
);
691 memset(last_buffer
+ bytes_remaining
, 0xff, thisrun_bytes
- bytes_remaining
);
692 target_write_buffer(bank
->target
, download_area
->address
, thisrun_bytes
, last_buffer
);
696 LOG_DEBUG("writing 0x%" PRIx32
" bytes to address 0x%" PRIx32
, thisrun_bytes
,
697 bank
->base
+ offset
+ bytes_written
);
700 param_table
[0] = bank
->base
+ offset
+ bytes_written
;
701 param_table
[1] = download_area
->address
;
702 param_table
[2] = thisrun_bytes
;
703 param_table
[3] = lpc2000_info
->cclk
;
704 status_code
= lpc2000_iap_call(bank
, iap_working_area
, 51, param_table
, result_table
);
705 switch (status_code
) {
706 case ERROR_FLASH_OPERATION_FAILED
:
707 retval
= ERROR_FLASH_OPERATION_FAILED
;
709 case LPC2000_CMD_SUCCESS
:
711 case LPC2000_INVALID_SECTOR
:
712 retval
= ERROR_FLASH_SECTOR_INVALID
;
715 LOG_WARNING("lpc2000 returned %i", status_code
);
716 retval
= ERROR_FLASH_OPERATION_FAILED
;
720 /* Exit if error occured */
721 if (retval
!= ERROR_OK
)
724 if (bytes_remaining
> thisrun_bytes
)
725 bytes_remaining
-= thisrun_bytes
;
728 bytes_written
+= thisrun_bytes
;
731 target_free_working_area(target
, iap_working_area
);
732 target_free_working_area(target
, download_area
);
737 static int lpc2000_probe(struct flash_bank
*bank
)
739 /* we can't probe on an lpc2000 if this is an lpc2xxx, it has the configured flash */
743 static int lpc2000_erase_check(struct flash_bank
*bank
)
745 if (bank
->target
->state
!= TARGET_HALTED
) {
746 LOG_ERROR("Target not halted");
747 return ERROR_TARGET_NOT_HALTED
;
750 return lpc2000_iap_blank_check(bank
, 0, bank
->num_sectors
- 1);
753 static int lpc2000_protect_check(struct flash_bank
*bank
)
755 /* sectors are always protected */
759 static int get_lpc2000_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
761 struct lpc2000_flash_bank
*lpc2000_info
= bank
->driver_priv
;
763 snprintf(buf
, buf_size
, "lpc2000 flash driver variant: %i, clk: %" PRIi32
"kHz", lpc2000_info
->variant
,
769 COMMAND_HANDLER(lpc2000_handle_part_id_command
)
772 return ERROR_COMMAND_SYNTAX_ERROR
;
774 struct flash_bank
*bank
;
775 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &bank
);
776 if (ERROR_OK
!= retval
)
779 if (bank
->target
->state
!= TARGET_HALTED
) {
780 LOG_ERROR("Target not halted");
781 return ERROR_TARGET_NOT_HALTED
;
784 uint32_t param_table
[5] = {0};
785 uint32_t result_table
[4];
786 struct working_area
*iap_working_area
;
788 retval
= lpc2000_iap_working_area_init(bank
, &iap_working_area
);
790 if (retval
!= ERROR_OK
)
793 int status_code
= lpc2000_iap_call(bank
, iap_working_area
, 54, param_table
, result_table
);
794 if (status_code
!= 0x0) {
795 if (status_code
== ERROR_FLASH_OPERATION_FAILED
) {
796 command_print(CMD_CTX
, "no sufficient working area specified, can't access LPC2000 IAP interface");
798 command_print(CMD_CTX
, "lpc2000 IAP returned status code %i", status_code
);
800 command_print(CMD_CTX
, "lpc2000 part id: 0x%8.8" PRIx32
, result_table
[0]);
805 static const struct command_registration lpc2000_exec_command_handlers
[] = {
808 .handler
= lpc2000_handle_part_id_command
,
809 .mode
= COMMAND_EXEC
,
810 .help
= "print part id of lpc2000 flash bank <num>",
813 COMMAND_REGISTRATION_DONE
815 static const struct command_registration lpc2000_command_handlers
[] = {
819 .help
= "lpc2000 flash command group",
821 .chain
= lpc2000_exec_command_handlers
,
823 COMMAND_REGISTRATION_DONE
826 struct flash_driver lpc2000_flash
= {
828 .commands
= lpc2000_command_handlers
,
829 .flash_bank_command
= lpc2000_flash_bank_command
,
830 .erase
= lpc2000_erase
,
831 .protect
= lpc2000_protect
,
832 .write
= lpc2000_write
,
833 .read
= default_flash_read
,
834 .probe
= lpc2000_probe
,
835 .auto_probe
= lpc2000_probe
,
836 .erase_check
= lpc2000_erase_check
,
837 .protect_check
= lpc2000_protect_check
,
838 .info
= get_lpc2000_info
,