1 /***************************************************************************
2 * Copyright (C) 2018 by Texas Instruments, Inc. *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
16 ***************************************************************************/
24 #include <helper/binarybuffer.h>
25 #include <helper/time_support.h>
26 #include <target/algorithm.h>
27 #include <target/armv7m.h>
28 #include <target/image.h>
30 /* MSP432P4 hardware registers */
31 #define P4_FLASH_MAIN_SIZE_REG 0xE0043020
32 #define P4_FLASH_INFO_SIZE_REG 0xE0043024
33 #define P4_DEVICE_ID_REG 0x0020100C
34 #define P4_HARDWARE_REV_REG 0x00201010
36 /* MSP432E4 hardware registers */
37 #define E4_DID0_REG 0x400FE000
38 #define E4_DID1_REG 0x400FE004
40 #define FLASH_TIMEOUT 8000
42 #define SUPPORT_MESSAGE \
43 "Your pre-production MSP432P401x silicon is not fully supported\n" \
44 "You can find more information at www.ti.com/product/MSP432P401R"
48 uint32_t hardware_rev
;
51 uint32_t sector_length
;
54 struct working_area
*working_area
;
55 struct armv7m_algorithm armv7m_info
;
58 static int msp432_auto_probe(struct flash_bank
*bank
);
60 static int msp432_device_type(uint32_t family_type
, uint32_t device_id
,
61 uint32_t hardware_rev
)
63 int device_type
= MSP432_NO_TYPE
;
65 if (MSP432E4
== family_type
) {
66 /* MSP432E4 device family */
68 if (device_id
== 0x180C0002) {
69 if (hardware_rev
== 0x102DC06E) {
71 device_type
= MSP432E401Y
;
72 } else if (hardware_rev
== 0x1032E076) {
74 device_type
= MSP432E411Y
;
76 /* Reasonable guess that this is a new variant */
77 device_type
= MSP432E4X_GUESS
;
80 /* Wild guess that this is an MSP432E4 */
81 device_type
= MSP432E4X_GUESS
;
84 /* MSP432P4 device family */
86 /* Examine the device ID and hardware revision to get the device type */
94 /* Device is definitely MSP432P401x, check hardware revision */
95 if (hardware_rev
== 0x41 || hardware_rev
== 0x42) {
96 /* Rev A or B of the silicon has been deprecated */
97 device_type
= MSP432P401X_DEPR
;
98 } else if (hardware_rev
>= 0x43 && hardware_rev
<= 0x49) {
99 /* Current and future revisions of the MSP432P401x device */
100 device_type
= MSP432P401X
;
102 /* Unknown or unanticipated hardware revision */
103 device_type
= MSP432P401X_GUESS
;
116 /* Device is definitely MSP432P411x, check hardware revision */
117 if (hardware_rev
>= 0x41 && hardware_rev
<= 0x49) {
118 /* Current and future revisions of the MSP432P411x device */
119 device_type
= MSP432P411X
;
121 /* Unknown or unanticipated hardware revision */
122 device_type
= MSP432P411X_GUESS
;
126 /* Device is very early silicon that has been deprecated */
127 device_type
= MSP432P401X_DEPR
;
130 if (device_id
< 0xA010) {
131 /* Wild guess that this is an MSP432P401x */
132 device_type
= MSP432P401X_GUESS
;
134 /* Reasonable guess that this is a new variant */
135 device_type
= MSP432P411X_GUESS
;
144 static const char *msp432_return_text(uint32_t return_code
)
146 switch (return_code
) {
150 return "FLASH_SUCCESS";
152 return "FLASH_ERROR";
153 case FLASH_TIMEOUT_ERROR
:
154 return "FLASH_TIMEOUT_ERROR";
155 case FLASH_VERIFY_ERROR
:
156 return "FLASH_VERIFY_WRONG";
157 case FLASH_WRONG_COMMAND
:
158 return "FLASH_WRONG_COMMAND";
159 case FLASH_POWER_ERROR
:
160 return "FLASH_POWER_ERROR";
162 return "UNDEFINED_RETURN_CODE";
166 static void msp432_init_params(struct msp432_algo_params
*algo_params
)
168 buf_set_u32(algo_params
->flash_command
, 0, 32, FLASH_NO_COMMAND
);
169 buf_set_u32(algo_params
->return_code
, 0, 32, 0);
170 buf_set_u32(algo_params
->_reserved0
, 0, 32, 0);
171 buf_set_u32(algo_params
->address
, 0, 32, 0);
172 buf_set_u32(algo_params
->length
, 0, 32, 0);
173 buf_set_u32(algo_params
->buffer1_status
, 0, 32, BUFFER_INACTIVE
);
174 buf_set_u32(algo_params
->buffer2_status
, 0, 32, BUFFER_INACTIVE
);
175 buf_set_u32(algo_params
->erase_param
, 0, 32, FLASH_ERASE_MAIN
);
176 buf_set_u32(algo_params
->unlock_bsl
, 0, 32, FLASH_LOCK_BSL
);
179 static int msp432_exec_cmd(struct target
*target
, struct msp432_algo_params
180 *algo_params
, uint32_t command
)
184 /* Make sure the given params do not include the command */
185 buf_set_u32(algo_params
->flash_command
, 0, 32, FLASH_NO_COMMAND
);
186 buf_set_u32(algo_params
->return_code
, 0, 32, 0);
187 buf_set_u32(algo_params
->buffer1_status
, 0, 32, BUFFER_INACTIVE
);
188 buf_set_u32(algo_params
->buffer2_status
, 0, 32, BUFFER_INACTIVE
);
190 /* Write out parameters to target memory */
191 retval
= target_write_buffer(target
, ALGO_PARAMS_BASE_ADDR
,
192 sizeof(struct msp432_algo_params
), (uint8_t *)algo_params
);
193 if (ERROR_OK
!= retval
)
196 /* Write out command to target memory */
197 retval
= target_write_buffer(target
, ALGO_FLASH_COMMAND_ADDR
,
198 sizeof(command
), (uint8_t *)&command
);
203 static int msp432_wait_return_code(struct target
*target
)
205 uint32_t return_code
= 0;
207 long long elapsed_ms
;
209 int retval
= ERROR_OK
;
211 start_ms
= timeval_ms();
212 while ((0 == return_code
) || (FLASH_BUSY
== return_code
)) {
213 retval
= target_read_buffer(target
, ALGO_RETURN_CODE_ADDR
,
214 sizeof(return_code
), (uint8_t *)&return_code
);
215 if (ERROR_OK
!= retval
)
218 elapsed_ms
= timeval_ms() - start_ms
;
219 if (elapsed_ms
> 500)
221 if (elapsed_ms
> FLASH_TIMEOUT
)
225 if (FLASH_SUCCESS
!= return_code
) {
226 LOG_ERROR("msp432: Flash operation failed: %s",
227 msp432_return_text(return_code
));
234 static int msp432_wait_inactive(struct target
*target
, uint32_t buffer
)
236 uint32_t status_code
= BUFFER_ACTIVE
;
237 uint32_t status_addr
;
239 long long elapsed_ms
;
244 case 1: /* Buffer 1 */
245 status_addr
= ALGO_BUFFER1_STATUS_ADDR
;
247 case 2: /* Buffer 2 */
248 status_addr
= ALGO_BUFFER2_STATUS_ADDR
;
254 start_ms
= timeval_ms();
255 while (BUFFER_INACTIVE
!= status_code
) {
256 retval
= target_read_buffer(target
, status_addr
, sizeof(status_code
),
257 (uint8_t *)&status_code
);
258 if (ERROR_OK
!= retval
)
261 elapsed_ms
= timeval_ms() - start_ms
;
262 if (elapsed_ms
> 500)
264 if (elapsed_ms
> FLASH_TIMEOUT
)
268 if (BUFFER_INACTIVE
!= status_code
) {
270 "msp432: Flash operation failed: buffer not written to flash");
277 static int msp432_init(struct flash_bank
*bank
)
279 struct target
*target
= bank
->target
;
280 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
281 struct msp432_algo_params algo_params
;
282 struct reg_param reg_params
[1];
284 const uint8_t *loader_code
;
285 uint32_t loader_size
;
286 uint32_t algo_entry_addr
;
289 /* Make sure we've probed the flash to get the device and size */
290 retval
= msp432_auto_probe(bank
);
291 if (ERROR_OK
!= retval
)
294 /* Choose appropriate flash helper algorithm */
295 switch (msp432_bank
->device_type
) {
297 case MSP432P401X_DEPR
:
298 case MSP432P401X_GUESS
:
300 loader_code
= msp432p401x_algo
;
301 loader_size
= sizeof(msp432p401x_algo
);
302 algo_entry_addr
= P4_ALGO_ENTRY_ADDR
;
305 case MSP432P411X_GUESS
:
306 loader_code
= msp432p411x_algo
;
307 loader_size
= sizeof(msp432p411x_algo
);
308 algo_entry_addr
= P4_ALGO_ENTRY_ADDR
;
312 case MSP432E4X_GUESS
:
313 loader_code
= msp432e4x_algo
;
314 loader_size
= sizeof(msp432e4x_algo
);
315 algo_entry_addr
= E4_ALGO_ENTRY_ADDR
;
319 /* Issue warnings if this is a device we may not be able to flash */
320 if (MSP432P401X_GUESS
== msp432_bank
->device_type
||
321 MSP432P411X_GUESS
== msp432_bank
->device_type
) {
322 /* Explicit device type check failed. Report this. */
324 "msp432: Unrecognized MSP432P4 Device ID and Hardware "
325 "Rev (%04X, %02X)", msp432_bank
->device_id
,
326 msp432_bank
->hardware_rev
);
327 } else if (MSP432P401X_DEPR
== msp432_bank
->device_type
) {
329 "msp432: MSP432P401x pre-production device (deprecated "
330 "silicon)\n" SUPPORT_MESSAGE
);
331 } else if (MSP432E4X_GUESS
== msp432_bank
->device_type
) {
332 /* Explicit device type check failed. Report this. */
334 "msp432: Unrecognized MSP432E4 DID0 and DID1 values "
335 "(%08X, %08X)", msp432_bank
->device_id
,
336 msp432_bank
->hardware_rev
);
339 /* Check for working area to use for flash helper algorithm */
340 if (NULL
!= msp432_bank
->working_area
)
341 target_free_working_area(target
, msp432_bank
->working_area
);
342 retval
= target_alloc_working_area(target
, ALGO_WORKING_SIZE
,
343 &msp432_bank
->working_area
);
344 if (ERROR_OK
!= retval
)
347 /* Confirm the defined working address is the area we need to use */
348 if (ALGO_BASE_ADDR
!= msp432_bank
->working_area
->address
)
349 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
351 /* Write flash helper algorithm into target memory */
352 retval
= target_write_buffer(target
, ALGO_BASE_ADDR
, loader_size
,
354 if (ERROR_OK
!= retval
)
357 /* Initialize the ARMv7 specific info to run the algorithm */
358 msp432_bank
->armv7m_info
.common_magic
= ARMV7M_COMMON_MAGIC
;
359 msp432_bank
->armv7m_info
.core_mode
= ARM_MODE_THREAD
;
361 /* Initialize algorithm parameters to default values */
362 msp432_init_params(&algo_params
);
364 /* Write out parameters to target memory */
365 retval
= target_write_buffer(target
, ALGO_PARAMS_BASE_ADDR
,
366 sizeof(algo_params
), (uint8_t *)&algo_params
);
367 if (ERROR_OK
!= retval
)
370 /* Initialize stack pointer for flash helper algorithm */
371 init_reg_param(®_params
[0], "sp", 32, PARAM_OUT
);
372 buf_set_u32(reg_params
[0].value
, 0, 32, ALGO_STACK_POINTER_ADDR
);
374 /* Begin executing the flash helper algorithm */
375 retval
= target_start_algorithm(target
, 0, 0, 1, reg_params
,
376 algo_entry_addr
, 0, &msp432_bank
->armv7m_info
);
377 destroy_reg_param(®_params
[0]);
378 if (ERROR_OK
!= retval
) {
379 LOG_ERROR("msp432: Failed to start flash helper algorithm");
384 * At this point, the algorithm is running on the target and
385 * ready to receive commands and data to flash the target
388 /* Issue the init command to the flash helper algorithm */
389 retval
= msp432_exec_cmd(target
, &algo_params
, FLASH_INIT
);
390 if (ERROR_OK
!= retval
)
393 retval
= msp432_wait_return_code(target
);
398 static int msp432_quit(struct flash_bank
*bank
)
400 struct target
*target
= bank
->target
;
401 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
402 struct msp432_algo_params algo_params
;
406 /* Initialize algorithm parameters to default values */
407 msp432_init_params(&algo_params
);
409 /* Issue the exit command to the flash helper algorithm */
410 retval
= msp432_exec_cmd(target
, &algo_params
, FLASH_EXIT
);
411 if (ERROR_OK
!= retval
)
414 (void)msp432_wait_return_code(target
);
416 /* Regardless of the return code, attempt to halt the target */
417 (void)target_halt(target
);
419 /* Now confirm target halted and clean up from flash helper algorithm */
420 retval
= target_wait_algorithm(target
, 0, NULL
, 0, NULL
, 0, FLASH_TIMEOUT
,
421 &msp432_bank
->armv7m_info
);
423 target_free_working_area(target
, msp432_bank
->working_area
);
424 msp432_bank
->working_area
= NULL
;
429 static int msp432_mass_erase(struct flash_bank
*bank
, bool all
)
431 struct target
*target
= bank
->target
;
432 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
433 struct msp432_algo_params algo_params
;
437 if (TARGET_HALTED
!= target
->state
) {
438 LOG_ERROR("Target not halted");
439 return ERROR_TARGET_NOT_HALTED
;
442 retval
= msp432_init(bank
);
443 if (ERROR_OK
!= retval
)
446 /* Initialize algorithm parameters to default values */
447 msp432_init_params(&algo_params
);
449 buf_set_u32(algo_params
.erase_param
, 0, 32,
450 FLASH_ERASE_MAIN
| FLASH_ERASE_INFO
);
451 if (msp432_bank
->unlock_bsl
)
452 buf_set_u32(algo_params
.unlock_bsl
, 0, 32, FLASH_UNLOCK_BSL
);
455 /* Issue the mass erase command to the flash helper algorithm */
456 retval
= msp432_exec_cmd(target
, &algo_params
, FLASH_MASS_ERASE
);
457 if (ERROR_OK
!= retval
) {
458 (void)msp432_quit(bank
);
462 retval
= msp432_wait_return_code(target
);
463 if (ERROR_OK
!= retval
) {
464 (void)msp432_quit(bank
);
468 retval
= msp432_quit(bank
);
469 if (ERROR_OK
!= retval
)
475 COMMAND_HANDLER(msp432_mass_erase_command
)
477 struct flash_bank
*bank
;
478 struct msp432_bank
*msp432_bank
;
484 } else if (1 == CMD_ARGC
) {
485 /* Check argument for how much to erase */
486 if (0 == strcmp(CMD_ARGV
[0], "main"))
488 else if (0 == strcmp(CMD_ARGV
[0], "all"))
491 return ERROR_COMMAND_SYNTAX_ERROR
;
493 return ERROR_COMMAND_SYNTAX_ERROR
;
496 retval
= get_flash_bank_by_num(0, &bank
);
497 if (ERROR_OK
!= retval
)
500 msp432_bank
= bank
->driver_priv
;
502 if (MSP432E4
== msp432_bank
->family_type
) {
503 /* MSP432E4 does not have main vs info regions, ignore "all" */
507 retval
= msp432_mass_erase(bank
, all
);
508 if (ERROR_OK
!= retval
)
511 if (MSP432E4
== msp432_bank
->family_type
) {
512 /* MSP432E4 does not have main vs info regions */
513 LOG_INFO("msp432: Mass erase of flash is complete");
515 LOG_INFO("msp432: Mass erase of %s is complete",
516 all
? "main + info flash" : "main flash");
522 COMMAND_HANDLER(msp432_bsl_command
)
524 struct flash_bank
*bank
;
525 struct msp432_bank
*msp432_bank
;
529 return ERROR_COMMAND_SYNTAX_ERROR
;
531 retval
= get_flash_bank_by_num(0, &bank
);
532 if (ERROR_OK
!= retval
)
535 msp432_bank
= bank
->driver_priv
;
537 if (MSP432E4
== msp432_bank
->family_type
) {
538 LOG_WARNING("msp432: MSP432E4 does not have a BSL region");
543 if (0 == strcmp(CMD_ARGV
[0], "lock"))
544 msp432_bank
->unlock_bsl
= false;
545 else if (0 == strcmp(CMD_ARGV
[0], "unlock"))
546 msp432_bank
->unlock_bsl
= true;
548 return ERROR_COMMAND_SYNTAX_ERROR
;
551 LOG_INFO("msp432: BSL flash region is currently %slocked",
552 msp432_bank
->unlock_bsl
? "un" : "");
557 FLASH_BANK_COMMAND_HANDLER(msp432_flash_bank_command
)
559 struct msp432_bank
*msp432_bank
;
562 return ERROR_COMMAND_SYNTAX_ERROR
;
564 msp432_bank
= malloc(sizeof(struct msp432_bank
));
565 if (NULL
== msp432_bank
)
568 /* Initialize private flash information */
569 msp432_bank
->device_id
= 0;
570 msp432_bank
->hardware_rev
= 0;
571 msp432_bank
->family_type
= MSP432_NO_FAMILY
;
572 msp432_bank
->device_type
= MSP432_NO_TYPE
;
573 msp432_bank
->sector_length
= 0x1000;
574 msp432_bank
->probed
[0] = false;
575 msp432_bank
->probed
[1] = false;
576 msp432_bank
->unlock_bsl
= false;
577 msp432_bank
->working_area
= NULL
;
579 /* Finish initialization of bank 0 (main flash) */
580 bank
->driver_priv
= msp432_bank
;
586 static int msp432_erase(struct flash_bank
*bank
, int first
, int last
)
588 struct target
*target
= bank
->target
;
589 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
590 struct msp432_algo_params algo_params
;
594 if (TARGET_HALTED
!= target
->state
) {
595 LOG_ERROR("Target not halted");
596 return ERROR_TARGET_NOT_HALTED
;
599 /* Do a mass erase if user requested all sectors of main flash */
600 if ((0 == bank
->bank_number
) && (first
== 0) &&
601 (last
== (bank
->num_sectors
- 1))) {
602 /* Request mass erase of main flash */
603 return msp432_mass_erase(bank
, false);
606 retval
= msp432_init(bank
);
607 if (ERROR_OK
!= retval
)
610 /* Initialize algorithm parameters to default values */
611 msp432_init_params(&algo_params
);
613 /* Adjust params if this is the info bank */
614 if (1 == bank
->bank_number
) {
615 buf_set_u32(algo_params
.erase_param
, 0, 32, FLASH_ERASE_INFO
);
616 /* And flag if BSL is unlocked */
617 if (msp432_bank
->unlock_bsl
)
618 buf_set_u32(algo_params
.unlock_bsl
, 0, 32, FLASH_UNLOCK_BSL
);
621 /* Erase requested sectors one by one */
622 for (int i
= first
; i
<= last
; i
++) {
624 /* Skip TVL (read-only) sector of the info bank */
625 if (1 == bank
->bank_number
&& 1 == i
)
628 /* Skip BSL sectors of info bank if locked */
629 if (1 == bank
->bank_number
&& (2 == i
|| 3 == i
) &&
630 !msp432_bank
->unlock_bsl
)
633 /* Convert sector number to starting address of sector */
634 buf_set_u32(algo_params
.address
, 0, 32, bank
->base
+
635 (i
* msp432_bank
->sector_length
));
637 /* Issue the sector erase command to the flash helper algorithm */
638 retval
= msp432_exec_cmd(target
, &algo_params
, FLASH_SECTOR_ERASE
);
639 if (ERROR_OK
!= retval
) {
640 (void)msp432_quit(bank
);
644 retval
= msp432_wait_return_code(target
);
645 if (ERROR_OK
!= retval
) {
646 (void)msp432_quit(bank
);
651 retval
= msp432_quit(bank
);
652 if (ERROR_OK
!= retval
)
658 static int msp432_protect(struct flash_bank
*bank
, int set
, int first
,
664 static int msp432_write(struct flash_bank
*bank
, const uint8_t *buffer
,
665 uint32_t offset
, uint32_t count
)
667 struct target
*target
= bank
->target
;
668 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
669 struct msp432_algo_params algo_params
;
671 uint32_t data_ready
= BUFFER_DATA_READY
;
673 long long elapsed_ms
;
677 if (TARGET_HALTED
!= target
->state
) {
678 LOG_ERROR("Target not halted");
679 return ERROR_TARGET_NOT_HALTED
;
683 * Block attempts to write to read-only sectors of flash
684 * The TVL region in sector 1 of the info flash is always read-only
685 * The BSL region in sectors 2 and 3 of the info flash may be unlocked
686 * The helper algorithm will hang on attempts to write to TVL
688 if (1 == bank
->bank_number
) {
689 /* Set read-only start to TVL sector */
690 uint32_t start
= 0x1000;
691 /* Set read-only end after BSL region if locked */
692 uint32_t end
= (msp432_bank
->unlock_bsl
) ? 0x2000 : 0x4000;
693 /* Check if request includes anything in read-only sectors */
694 if ((offset
+ count
- 1) < start
|| offset
>= end
) {
695 /* The request includes no bytes in read-only sectors */
696 /* Fall out and process the request normally */
698 /* Send a request for anything before read-only sectors */
699 if (offset
< start
) {
700 uint32_t start_count
= MIN(start
- offset
, count
);
701 retval
= msp432_write(bank
, buffer
, offset
, start_count
);
702 if (ERROR_OK
!= retval
)
705 /* Send a request for anything after read-only sectors */
706 if ((offset
+ count
- 1) >= end
) {
707 uint32_t skip
= end
- offset
;
711 return msp432_write(bank
, buffer
, offset
, count
);
713 /* Request is entirely in read-only sectors */
719 retval
= msp432_init(bank
);
720 if (ERROR_OK
!= retval
)
723 /* Initialize algorithm parameters to default values */
724 msp432_init_params(&algo_params
);
726 /* Set up parameters for requested flash write operation */
727 buf_set_u32(algo_params
.address
, 0, 32, bank
->base
+ offset
);
728 buf_set_u32(algo_params
.length
, 0, 32, count
);
730 /* Check if this is the info bank */
731 if (1 == bank
->bank_number
) {
732 /* And flag if BSL is unlocked */
733 if (msp432_bank
->unlock_bsl
)
734 buf_set_u32(algo_params
.unlock_bsl
, 0, 32, FLASH_UNLOCK_BSL
);
737 /* Set up flash helper algorithm to continuous flash mode */
738 retval
= msp432_exec_cmd(target
, &algo_params
, FLASH_CONTINUOUS
);
739 if (ERROR_OK
!= retval
) {
740 (void)msp432_quit(bank
);
744 /* Write requested data, one buffer at a time */
745 start_ms
= timeval_ms();
748 if (count
> ALGO_BUFFER_SIZE
)
749 size
= ALGO_BUFFER_SIZE
;
753 /* Put next block of data to flash into buffer */
754 retval
= target_write_buffer(target
, ALGO_BUFFER1_ADDR
, size
, buffer
);
755 if (ERROR_OK
!= retval
) {
756 LOG_ERROR("Unable to write data to target memory");
757 (void)msp432_quit(bank
);
758 return ERROR_FLASH_OPERATION_FAILED
;
761 /* Signal the flash helper algorithm that data is ready to flash */
762 retval
= target_write_buffer(target
, ALGO_BUFFER1_STATUS_ADDR
,
763 sizeof(data_ready
), (uint8_t *)&data_ready
);
764 if (ERROR_OK
!= retval
) {
765 (void)msp432_quit(bank
);
766 return ERROR_FLASH_OPERATION_FAILED
;
769 retval
= msp432_wait_inactive(target
, 1);
770 if (ERROR_OK
!= retval
) {
771 (void)msp432_quit(bank
);
778 elapsed_ms
= timeval_ms() - start_ms
;
779 if (elapsed_ms
> 500)
783 /* Confirm that the flash helper algorithm is finished */
784 retval
= msp432_wait_return_code(target
);
785 if (ERROR_OK
!= retval
) {
786 (void)msp432_quit(bank
);
790 retval
= msp432_quit(bank
);
791 if (ERROR_OK
!= retval
)
797 static int msp432_probe(struct flash_bank
*bank
)
799 struct target
*target
= bank
->target
;
800 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
805 uint32_t hardware_rev
;
808 uint32_t sector_length
;
815 bank_id
= bank
->bank_number
;
817 /* Read the flash size register to determine this is a P4 or not */
818 /* MSP432P4s will return the size of flash. MSP432E4s will return zero */
819 retval
= target_read_u32(target
, P4_FLASH_MAIN_SIZE_REG
, &size
);
820 if (ERROR_OK
!= retval
)
824 /* This is likely an MSP432E4 */
825 msp432_bank
->family_type
= MSP432E4
;
827 retval
= target_read_u32(target
, E4_DID0_REG
, &device_id
);
828 if (ERROR_OK
!= retval
)
831 msp432_bank
->device_id
= device_id
;
833 retval
= target_read_u32(target
, E4_DID1_REG
, &hardware_rev
);
834 if (ERROR_OK
!= retval
)
837 msp432_bank
->hardware_rev
= hardware_rev
;
839 /* This is likely an MSP432P4 */
840 msp432_bank
->family_type
= MSP432P4
;
842 retval
= target_read_u32(target
, P4_DEVICE_ID_REG
, &device_id
);
843 if (ERROR_OK
!= retval
)
846 msp432_bank
->device_id
= device_id
& 0xFFFF;
848 retval
= target_read_u32(target
, P4_HARDWARE_REV_REG
, &hardware_rev
);
849 if (ERROR_OK
!= retval
)
852 msp432_bank
->hardware_rev
= hardware_rev
& 0xFF;
855 msp432_bank
->device_type
= msp432_device_type(msp432_bank
->family_type
,
856 msp432_bank
->device_id
, msp432_bank
->hardware_rev
);
858 /* If not already allocated, create the info bank for MSP432P4 */
859 /* We could not determine it was needed until device was probed */
860 if (MSP432P4
== msp432_bank
->family_type
) {
861 /* If we've been given bank 1, then this was already done */
863 /* And only allocate it if it doesn't exist yet */
864 if (NULL
== bank
->next
) {
865 struct flash_bank
*info_bank
;
866 info_bank
= malloc(sizeof(struct flash_bank
));
867 if (NULL
== info_bank
)
870 name
= malloc(strlen(bank
->name
)+1);
875 strcpy(name
, bank
->name
);
877 /* Initialize bank 1 (info region) */
878 info_bank
->name
= name
;
879 info_bank
->target
= bank
->target
;
880 info_bank
->driver
= bank
->driver
;
881 info_bank
->driver_priv
= bank
->driver_priv
;
882 info_bank
->bank_number
= 1;
883 info_bank
->base
= 0x00200000;
885 info_bank
->chip_width
= 0;
886 info_bank
->bus_width
= 0;
887 info_bank
->erased_value
= 0xff;
888 info_bank
->default_padded_value
= 0xff;
889 info_bank
->write_start_alignment
= 0;
890 info_bank
->write_end_alignment
= 0;
891 info_bank
->minimal_write_gap
= FLASH_WRITE_GAP_SECTOR
;
892 info_bank
->num_sectors
= 0;
893 info_bank
->sectors
= NULL
;
894 info_bank
->num_prot_blocks
= 0;
895 info_bank
->prot_blocks
= NULL
;
896 info_bank
->next
= NULL
;
898 /* Enable the new bank */
899 bank
->next
= info_bank
;
904 if (MSP432P4
== msp432_bank
->family_type
) {
905 /* Set up MSP432P4 specific flash parameters */
907 retval
= target_read_u32(target
, P4_FLASH_MAIN_SIZE_REG
, &size
);
908 if (ERROR_OK
!= retval
)
911 base
= P4_FLASH_MAIN_BASE
;
912 sector_length
= P4_SECTOR_LENGTH
;
913 num_sectors
= size
/ sector_length
;
914 } else if (1 == bank_id
) {
915 if (msp432_bank
->device_type
== MSP432P411X
||
916 msp432_bank
->device_type
== MSP432P411X_GUESS
) {
917 /* MSP432P411x has an info size register, use that for size */
918 retval
= target_read_u32(target
, P4_FLASH_INFO_SIZE_REG
, &size
);
919 if (ERROR_OK
!= retval
)
922 /* All other MSP432P401x devices have fixed info region size */
923 size
= 0x4000; /* 16 KB info region */
925 base
= P4_FLASH_INFO_BASE
;
926 sector_length
= P4_SECTOR_LENGTH
;
927 num_sectors
= size
/ sector_length
;
929 /* Invalid bank number somehow */
933 /* Set up MSP432E4 specific flash parameters */
934 base
= E4_FLASH_BASE
;
935 size
= E4_FLASH_SIZE
;
936 sector_length
= E4_SECTOR_LENGTH
;
937 num_sectors
= size
/ sector_length
;
940 if (NULL
!= bank
->sectors
) {
942 bank
->sectors
= NULL
;
945 bank
->sectors
= malloc(sizeof(struct flash_sector
) * num_sectors
);
946 if (NULL
== bank
->sectors
)
951 bank
->write_start_alignment
= 0;
952 bank
->write_end_alignment
= 0;
953 bank
->num_sectors
= num_sectors
;
954 msp432_bank
->sector_length
= sector_length
;
956 for (int i
= 0; i
< num_sectors
; i
++) {
957 bank
->sectors
[i
].offset
= i
* sector_length
;
958 bank
->sectors
[i
].size
= sector_length
;
959 bank
->sectors
[i
].is_erased
= -1;
960 bank
->sectors
[i
].is_protected
= 0;
963 /* We've successfully determined the stats on this flash bank */
964 msp432_bank
->probed
[bank_id
] = true;
966 /* If we fall through to here, then all went well */
971 static int msp432_auto_probe(struct flash_bank
*bank
)
973 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
975 int retval
= ERROR_OK
;
977 if (bank
->bank_number
< 0 || bank
->bank_number
> 1) {
978 /* Invalid bank number somehow */
982 if (!msp432_bank
->probed
[bank
->bank_number
])
983 retval
= msp432_probe(bank
);
988 static int msp432_protect_check(struct flash_bank
*bank
)
993 static int msp432_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
995 struct msp432_bank
*msp432_bank
= bank
->driver_priv
;
998 switch (msp432_bank
->device_type
) {
999 case MSP432P401X_DEPR
:
1000 if (0xFFFF == msp432_bank
->device_id
) {
1001 /* Very early pre-production silicon currently deprecated */
1002 printed
= snprintf(buf
, buf_size
,
1003 "MSP432P401x pre-production device (deprecated silicon)\n"
1006 /* Revision A or B silicon, also deprecated */
1007 printed
= snprintf(buf
, buf_size
,
1008 "MSP432P401x Device Rev %c (deprecated silicon)\n"
1009 SUPPORT_MESSAGE
, (char)msp432_bank
->hardware_rev
);
1013 printed
= snprintf(buf
, buf_size
,
1014 "MSP432P401x Device Rev %c\n",
1015 (char)msp432_bank
->hardware_rev
);
1018 printed
= snprintf(buf
, buf_size
,
1019 "MSP432P411x Device Rev %c\n",
1020 (char)msp432_bank
->hardware_rev
);
1023 printed
= snprintf(buf
, buf_size
, "MSP432E401Y Device\n");
1026 printed
= snprintf(buf
, buf_size
, "MSP432E411Y Device\n");
1028 case MSP432E4X_GUESS
:
1029 printed
= snprintf(buf
, buf_size
,
1030 "Unrecognized MSP432E4 DID0 and DID1 IDs (%08X, %08X)",
1031 msp432_bank
->device_id
, msp432_bank
->hardware_rev
);
1033 case MSP432P401X_GUESS
:
1034 case MSP432P411X_GUESS
:
1036 printed
= snprintf(buf
, buf_size
,
1037 "Unrecognized MSP432P4 Device ID and Hardware Rev (%04X, %02X)",
1038 msp432_bank
->device_id
, msp432_bank
->hardware_rev
);
1042 buf_size
-= printed
;
1045 return ERROR_BUF_TOO_SMALL
;
1050 static void msp432_flash_free_driver_priv(struct flash_bank
*bank
)
1052 /* A single private struct is shared between main and info banks */
1053 /* Only free it on the call for main bank (#0) */
1054 if ((0 == bank
->bank_number
) && (NULL
!= bank
->driver_priv
))
1055 free(bank
->driver_priv
);
1056 /* Forget about the private struct on both main and info banks */
1057 bank
->driver_priv
= NULL
;
1060 static const struct command_registration msp432_exec_command_handlers
[] = {
1062 .name
= "mass_erase",
1063 .handler
= msp432_mass_erase_command
,
1064 .mode
= COMMAND_EXEC
,
1065 .help
= "Erase entire flash memory on device.",
1066 .usage
= "['main' | 'all']",
1070 .handler
= msp432_bsl_command
,
1071 .mode
= COMMAND_EXEC
,
1072 .help
= "Allow BSL to be erased or written by flash commands.",
1073 .usage
= "['unlock' | 'lock']",
1075 COMMAND_REGISTRATION_DONE
1078 static const struct command_registration msp432_command_handlers
[] = {
1081 .mode
= COMMAND_EXEC
,
1082 .help
= "MSP432 flash command group",
1084 .chain
= msp432_exec_command_handlers
,
1086 COMMAND_REGISTRATION_DONE
1089 struct flash_driver msp432_flash
= {
1091 .commands
= msp432_command_handlers
,
1092 .flash_bank_command
= msp432_flash_bank_command
,
1093 .erase
= msp432_erase
,
1094 .protect
= msp432_protect
,
1095 .write
= msp432_write
,
1096 .read
= default_flash_read
,
1097 .probe
= msp432_probe
,
1098 .auto_probe
= msp432_auto_probe
,
1099 .erase_check
= default_flash_blank_check
,
1100 .protect_check
= msp432_protect_check
,
1101 .info
= msp432_info
,
1102 .free_driver_priv
= msp432_flash_free_driver_priv
,
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