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Fix "unused variable" warnings (errors) detected with GCC 4.7.0 - trivial fixes
[openocd.git] / src / flash / nor / str9x.c
blob61a438fc96dbf7e72f6c89485e9ac58f161c555a
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2008 by Spencer Oliver *
6 * spen@spen-soft.co.uk *
7 *
8 * Copyright (C) 2008 by Oyvind Harboe *
9 * oyvind.harboe@zylin.com *
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
20 * *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
26 #ifdef HAVE_CONFIG_H
27 #include "config.h"
28 #endif
29
30 #include "imp.h"
31 #include <target/arm966e.h>
32 #include <target/algorithm.h>
33
34
35 /* Flash registers */
36
37 #define FLASH_BBSR 0x54000000 /* Boot Bank Size Register */
38 #define FLASH_NBBSR 0x54000004 /* Non-Boot Bank Size Register */
39 #define FLASH_BBADR 0x5400000C /* Boot Bank Base Address Register */
40 #define FLASH_NBBADR 0x54000010 /* Non-Boot Bank Base Address Register */
41 #define FLASH_CR 0x54000018 /* Control Register */
42 #define FLASH_SR 0x5400001C /* Status Register */
43 #define FLASH_BCE5ADDR 0x54000020 /* BC Fifth Entry Target Address Register */
44
45
46 struct str9x_flash_bank
47 {
48 uint32_t *sector_bits;
49 int variant;
50 int bank1;
51 struct working_area *write_algorithm;
52 };
53
54 enum str9x_status_codes
55 {
56 STR9X_CMD_SUCCESS = 0,
57 STR9X_INVALID_COMMAND = 1,
58 STR9X_SRC_ADDR_ERROR = 2,
59 STR9X_DST_ADDR_ERROR = 3,
60 STR9X_SRC_ADDR_NOT_MAPPED = 4,
61 STR9X_DST_ADDR_NOT_MAPPED = 5,
62 STR9X_COUNT_ERROR = 6,
63 STR9X_INVALID_SECTOR = 7,
64 STR9X_SECTOR_NOT_BLANK = 8,
65 STR9X_SECTOR_NOT_PREPARED = 9,
66 STR9X_COMPARE_ERROR = 10,
67 STR9X_BUSY = 11
68 };
69
70 static uint32_t bank1start = 0x00080000;
71
72 static int str9x_build_block_list(struct flash_bank *bank)
73 {
74 struct str9x_flash_bank *str9x_info = bank->driver_priv;
75
76 int i;
77 int num_sectors;
78 int b0_sectors = 0, b1_sectors = 0;
79 uint32_t offset = 0;
80
81 /* set if we have large flash str9 */
82 str9x_info->variant = 0;
83 str9x_info->bank1 = 0;
84
85 switch (bank->size)
86 {
87 case (256 * 1024):
88 b0_sectors = 4;
89 break;
90 case (512 * 1024):
91 b0_sectors = 8;
92 break;
93 case (1024 * 1024):
94 bank1start = 0x00100000;
95 str9x_info->variant = 1;
96 b0_sectors = 16;
97 break;
98 case (2048 * 1024):
99 bank1start = 0x00200000;
100 str9x_info->variant = 1;
101 b0_sectors = 32;
102 break;
103 case (128 * 1024):
104 str9x_info->variant = 1;
105 str9x_info->bank1 = 1;
106 b1_sectors = 8;
107 bank1start = bank->base;
108 break;
109 case (32 * 1024):
110 str9x_info->bank1 = 1;
111 b1_sectors = 4;
112 bank1start = bank->base;
113 break;
114 default:
115 LOG_ERROR("BUG: unknown bank->size encountered");
116 exit(-1);
117 }
118
119 num_sectors = b0_sectors + b1_sectors;
120
121 bank->num_sectors = num_sectors;
122 bank->sectors = malloc(sizeof(struct flash_sector) * num_sectors);
123 str9x_info->sector_bits = malloc(sizeof(uint32_t) * num_sectors);
124
125 num_sectors = 0;
126
127 for (i = 0; i < b0_sectors; i++)
128 {
129 bank->sectors[num_sectors].offset = offset;
130 bank->sectors[num_sectors].size = 0x10000;
131 offset += bank->sectors[i].size;
132 bank->sectors[num_sectors].is_erased = -1;
133 bank->sectors[num_sectors].is_protected = 1;
134 str9x_info->sector_bits[num_sectors++] = (1 << i);
135 }
136
137 for (i = 0; i < b1_sectors; i++)
138 {
139 bank->sectors[num_sectors].offset = offset;
140 bank->sectors[num_sectors].size = str9x_info->variant == 0 ? 0x2000 : 0x4000;
141 offset += bank->sectors[i].size;
142 bank->sectors[num_sectors].is_erased = -1;
143 bank->sectors[num_sectors].is_protected = 1;
144 if (str9x_info->variant)
145 str9x_info->sector_bits[num_sectors++] = (1 << i);
146 else
147 str9x_info->sector_bits[num_sectors++] = (1 << (i + 8));
148 }
149
150 return ERROR_OK;
151 }
152
153 /* flash bank str9x <base> <size> 0 0 <target#>
154 */
155 FLASH_BANK_COMMAND_HANDLER(str9x_flash_bank_command)
156 {
157 struct str9x_flash_bank *str9x_info;
158
159 if (CMD_ARGC < 6)
160 {
161 LOG_WARNING("incomplete flash_bank str9x configuration");
162 return ERROR_FLASH_BANK_INVALID;
163 }
164
165 str9x_info = malloc(sizeof(struct str9x_flash_bank));
166 bank->driver_priv = str9x_info;
167
168 str9x_build_block_list(bank);
169
170 str9x_info->write_algorithm = NULL;
171
172 return ERROR_OK;
173 }
174
175 static int str9x_protect_check(struct flash_bank *bank)
176 {
177 int retval;
178 struct str9x_flash_bank *str9x_info = bank->driver_priv;
179 struct target *target = bank->target;
180
181 int i;
182 uint32_t adr;
183 uint32_t status = 0;
184 uint16_t hstatus = 0;
185
186 if (bank->target->state != TARGET_HALTED)
187 {
188 LOG_ERROR("Target not halted");
189 return ERROR_TARGET_NOT_HALTED;
190 }
191
192 /* read level one protection */
193
194 if (str9x_info->variant)
195 {
196 if (str9x_info->bank1)
197 {
198 adr = bank1start + 0x18;
199 if ((retval = target_write_u16(target, adr, 0x90)) != ERROR_OK)
200 {
201 return retval;
202 }
203 if ((retval = target_read_u16(target, adr, &hstatus)) != ERROR_OK)
204 {
205 return retval;
206 }
207 status = hstatus;
208 }
209 else
210 {
211 adr = bank1start + 0x14;
212 if ((retval = target_write_u16(target, adr, 0x90)) != ERROR_OK)
213 {
214 return retval;
215 }
216 if ((retval = target_read_u32(target, adr, &status)) != ERROR_OK)
217 {
218 return retval;
219 }
220 }
221 }
222 else
223 {
224 adr = bank1start + 0x10;
225 if ((retval = target_write_u16(target, adr, 0x90)) != ERROR_OK)
226 {
227 return retval;
228 }
229 if ((retval = target_read_u16(target, adr, &hstatus)) != ERROR_OK)
230 {
231 return retval;
232 }
233 status = hstatus;
234 }
235
236 /* read array command */
237 if ((retval = target_write_u16(target, adr, 0xFF)) != ERROR_OK)
238 {
239 return retval;
240 }
241
242 for (i = 0; i < bank->num_sectors; i++)
243 {
244 if (status & str9x_info->sector_bits[i])
245 bank->sectors[i].is_protected = 1;
246 else
247 bank->sectors[i].is_protected = 0;
248 }
249
250 return ERROR_OK;
251 }
252
253 static int str9x_erase(struct flash_bank *bank, int first, int last)
254 {
255 struct target *target = bank->target;
256 int i;
257 uint32_t adr;
258 uint8_t status;
259 uint8_t erase_cmd;
260 int total_timeout;
261
262 if (bank->target->state != TARGET_HALTED)
263 {
264 LOG_ERROR("Target not halted");
265 return ERROR_TARGET_NOT_HALTED;
266 }
267
268 /* Check if we can erase whole bank */
269 if ((first == 0) && (last == (bank->num_sectors - 1)))
270 {
271 /* Optimize to run erase bank command instead of sector */
272 erase_cmd = 0x80;
273 /* Add timeout duration since erase bank takes more time */
274 total_timeout = 1000 * bank->num_sectors;
275 }
276 else
277 {
278 /* Erase sector command */
279 erase_cmd = 0x20;
280 total_timeout = 1000;
281 }
282
283 for (i = first; i <= last; i++)
284 {
285 int retval;
286 adr = bank->base + bank->sectors[i].offset;
287
288 /* erase sectors or block */
289 if ((retval = target_write_u16(target, adr, erase_cmd)) != ERROR_OK)
290 {
291 return retval;
292 }
293 if ((retval = target_write_u16(target, adr, 0xD0)) != ERROR_OK)
294 {
295 return retval;
296 }
297
298 /* get status */
299 if ((retval = target_write_u16(target, adr, 0x70)) != ERROR_OK)
300 {
301 return retval;
302 }
303
304 int timeout;
305 for (timeout = 0; timeout < total_timeout; timeout++)
306 {
307 if ((retval = target_read_u8(target, adr, &status)) != ERROR_OK)
308 {
309 return retval;
310 }
311 if (status & 0x80)
312 break;
313 alive_sleep(1);
314 }
315 if (timeout == total_timeout)
316 {
317 LOG_ERROR("erase timed out");
318 return ERROR_FAIL;
319 }
320
321 /* clear status, also clear read array */
322 if ((retval = target_write_u16(target, adr, 0x50)) != ERROR_OK)
323 {
324 return retval;
325 }
326
327 /* read array command */
328 if ((retval = target_write_u16(target, adr, 0xFF)) != ERROR_OK)
329 {
330 return retval;
331 }
332
333 if (status & 0x22)
334 {
335 LOG_ERROR("error erasing flash bank, status: 0x%x", status);
336 return ERROR_FLASH_OPERATION_FAILED;
337 }
338
339 /* If we ran erase bank command, we are finished */
340 if (erase_cmd == 0x80)
341 break;
342 }
343
344 for (i = first; i <= last; i++)
345 bank->sectors[i].is_erased = 1;
346
347 return ERROR_OK;
348 }
349
350 static int str9x_protect(struct flash_bank *bank,
351 int set, int first, int last)
352 {
353 struct target *target = bank->target;
354 int i;
355 uint32_t adr;
356 uint8_t status;
357
358 if (bank->target->state != TARGET_HALTED)
359 {
360 LOG_ERROR("Target not halted");
361 return ERROR_TARGET_NOT_HALTED;
362 }
363
364 for (i = first; i <= last; i++)
365 {
366 /* Level One Protection */
367
368 adr = bank->base + bank->sectors[i].offset;
369
370 target_write_u16(target, adr, 0x60);
371 if (set)
372 target_write_u16(target, adr, 0x01);
373 else
374 target_write_u16(target, adr, 0xD0);
375
376 /* query status */
377 target_read_u8(target, adr, &status);
378
379 /* clear status, also clear read array */
380 target_write_u16(target, adr, 0x50);
381
382 /* read array command */
383 target_write_u16(target, adr, 0xFF);
384 }
385
386 return ERROR_OK;
387 }
388
389 static int str9x_write_block(struct flash_bank *bank,
390 uint8_t *buffer, uint32_t offset, uint32_t count)
391 {
392 struct str9x_flash_bank *str9x_info = bank->driver_priv;
393 struct target *target = bank->target;
394 uint32_t buffer_size = 32768;
395 struct working_area *source;
396 uint32_t address = bank->base + offset;
397 struct reg_param reg_params[4];
398 struct arm_algorithm armv4_5_info;
399 int retval = ERROR_OK;
400
401 /* see contib/loaders/flash/str9x.s for src */
402
403 static const uint32_t str9x_flash_write_code[] = {
404 /* write: */
405 0xe3c14003, /* bic r4, r1, #3 */
406 0xe3a03040, /* mov r3, #0x40 */
407 0xe1c430b0, /* strh r3, [r4, #0] */
408 0xe0d030b2, /* ldrh r3, [r0], #2 */
409 0xe0c130b2, /* strh r3, [r1], #2 */
410 0xe3a03070, /* mov r3, #0x70 */
411 0xe1c430b0, /* strh r3, [r4, #0] */
412 /* busy: */
413 0xe5d43000, /* ldrb r3, [r4, #0] */
414 0xe3130080, /* tst r3, #0x80 */
415 0x0afffffc, /* beq busy */
416 0xe3a05050, /* mov r5, #0x50 */
417 0xe1c450b0, /* strh r5, [r4, #0] */
418 0xe3a050ff, /* mov r5, #0xFF */
419 0xe1c450b0, /* strh r5, [r4, #0] */
420 0xe3130012, /* tst r3, #0x12 */
421 0x1a000001, /* bne exit */
422 0xe2522001, /* subs r2, r2, #1 */
423 0x1affffed, /* bne write */
424 /* exit: */
425 0xe1200070, /* bkpt #0 */
426 };
427
428 /* flash write code */
429 if (target_alloc_working_area(target, sizeof(str9x_flash_write_code),
430 &str9x_info->write_algorithm) != ERROR_OK)
431 {
432 LOG_WARNING("no working area available, can't do block memory writes");
433 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
434 };
435
436 target_write_buffer(target, str9x_info->write_algorithm->address,
437 sizeof(str9x_flash_write_code),
438 (uint8_t*)str9x_flash_write_code);
439
440 /* memory buffer */
441 while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK)
442 {
443 buffer_size /= 2;
444 if (buffer_size <= 256)
445 {
446 /* if we already allocated the writing code, but failed to get a
447 * buffer, free the algorithm */
448 if (str9x_info->write_algorithm)
449 target_free_working_area(target, str9x_info->write_algorithm);
450
451 LOG_WARNING("no large enough working area available, can't do block memory writes");
452 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
453 }
454 }
455
456 armv4_5_info.common_magic = ARM_COMMON_MAGIC;
457 armv4_5_info.core_mode = ARM_MODE_SVC;
458 armv4_5_info.core_state = ARM_STATE_ARM;
459
460 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
461 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
462 init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
463 init_reg_param(&reg_params[3], "r3", 32, PARAM_IN);
464
465 while (count > 0)
466 {
467 uint32_t thisrun_count = (count > (buffer_size / 2)) ? (buffer_size / 2) : count;
468
469 target_write_buffer(target, source->address, thisrun_count * 2, buffer);
470
471 buf_set_u32(reg_params[0].value, 0, 32, source->address);
472 buf_set_u32(reg_params[1].value, 0, 32, address);
473 buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
474
475 if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
476 str9x_info->write_algorithm->address,
477 0, 10000, &armv4_5_info)) != ERROR_OK)
478 {
479 LOG_ERROR("error executing str9x flash write algorithm");
480 retval = ERROR_FLASH_OPERATION_FAILED;
481 break;
482 }
483
484 if (buf_get_u32(reg_params[3].value, 0, 32) != 0x80)
485 {
486 retval = ERROR_FLASH_OPERATION_FAILED;
487 break;
488 }
489
490 buffer += thisrun_count * 2;
491 address += thisrun_count * 2;
492 count -= thisrun_count;
493 }
494
495 target_free_working_area(target, source);
496 target_free_working_area(target, str9x_info->write_algorithm);
497
498 destroy_reg_param(&reg_params[0]);
499 destroy_reg_param(&reg_params[1]);
500 destroy_reg_param(&reg_params[2]);
501 destroy_reg_param(&reg_params[3]);
502
503 return retval;
504 }
505
506 static int str9x_write(struct flash_bank *bank,
507 uint8_t *buffer, uint32_t offset, uint32_t count)
508 {
509 struct target *target = bank->target;
510 uint32_t words_remaining = (count / 2);
511 uint32_t bytes_remaining = (count & 0x00000001);
512 uint32_t address = bank->base + offset;
513 uint32_t bytes_written = 0;
514 uint8_t status;
515 int retval;
516 uint32_t check_address = offset;
517 uint32_t bank_adr;
518 int i;
519
520 if (bank->target->state != TARGET_HALTED)
521 {
522 LOG_ERROR("Target not halted");
523 return ERROR_TARGET_NOT_HALTED;
524 }
525
526 if (offset & 0x1)
527 {
528 LOG_WARNING("offset 0x%" PRIx32 " breaks required 2-byte alignment", offset);
529 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
530 }
531
532 for (i = 0; i < bank->num_sectors; i++)
533 {
534 uint32_t sec_start = bank->sectors[i].offset;
535 uint32_t sec_end = sec_start + bank->sectors[i].size;
536
537 /* check if destination falls within the current sector */
538 if ((check_address >= sec_start) && (check_address < sec_end))
539 {
540 /* check if destination ends in the current sector */
541 if (offset + count < sec_end)
542 check_address = offset + count;
543 else
544 check_address = sec_end;
545 }
546 }
547
548 if (check_address != offset + count)
549 return ERROR_FLASH_DST_OUT_OF_BANK;
550
551 /* multiple half words (2-byte) to be programmed? */
552 if (words_remaining > 0)
553 {
554 /* try using a block write */
555 if ((retval = str9x_write_block(bank, buffer, offset, words_remaining)) != ERROR_OK)
556 {
557 if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
558 {
559 /* if block write failed (no sufficient working area),
560 * we use normal (slow) single dword accesses */
561 LOG_WARNING("couldn't use block writes, falling back to single memory accesses");
562 }
563 else if (retval == ERROR_FLASH_OPERATION_FAILED)
564 {
565 LOG_ERROR("flash writing failed");
566 return ERROR_FLASH_OPERATION_FAILED;
567 }
568 }
569 else
570 {
571 buffer += words_remaining * 2;
572 address += words_remaining * 2;
573 words_remaining = 0;
574 }
575 }
576
577 while (words_remaining > 0)
578 {
579 bank_adr = address & ~0x03;
580
581 /* write data command */
582 target_write_u16(target, bank_adr, 0x40);
583 target_write_memory(target, address, 2, 1, buffer + bytes_written);
584
585 /* get status command */
586 target_write_u16(target, bank_adr, 0x70);
587
588 int timeout;
589 for (timeout = 0; timeout < 1000; timeout++)
590 {
591 target_read_u8(target, bank_adr, &status);
592 if (status & 0x80)
593 break;
594 alive_sleep(1);
595 }
596 if (timeout == 1000)
597 {
598 LOG_ERROR("write timed out");
599 return ERROR_FAIL;
600 }
601
602 /* clear status reg and read array */
603 target_write_u16(target, bank_adr, 0x50);
604 target_write_u16(target, bank_adr, 0xFF);
605
606 if (status & 0x10)
607 return ERROR_FLASH_OPERATION_FAILED;
608 else if (status & 0x02)
609 return ERROR_FLASH_OPERATION_FAILED;
610
611 bytes_written += 2;
612 words_remaining--;
613 address += 2;
614 }
615
616 if (bytes_remaining)
617 {
618 uint8_t last_halfword[2] = {0xff, 0xff};
619 i = 0;
620
621 while (bytes_remaining > 0)
622 {
623 last_halfword[i++] = *(buffer + bytes_written);
624 bytes_remaining--;
625 bytes_written++;
626 }
627
628 bank_adr = address & ~0x03;
629
630 /* write data command */
631 target_write_u16(target, bank_adr, 0x40);
632 target_write_memory(target, address, 2, 1, last_halfword);
633
634 /* query status command */
635 target_write_u16(target, bank_adr, 0x70);
636
637 int timeout;
638 for (timeout = 0; timeout < 1000; timeout++)
639 {
640 target_read_u8(target, bank_adr, &status);
641 if (status & 0x80)
642 break;
643 alive_sleep(1);
644 }
645 if (timeout == 1000)
646 {
647 LOG_ERROR("write timed out");
648 return ERROR_FAIL;
649 }
650
651 /* clear status reg and read array */
652 target_write_u16(target, bank_adr, 0x50);
653 target_write_u16(target, bank_adr, 0xFF);
654
655 if (status & 0x10)
656 return ERROR_FLASH_OPERATION_FAILED;
657 else if (status & 0x02)
658 return ERROR_FLASH_OPERATION_FAILED;
659 }
660
661 return ERROR_OK;
662 }
663
664 static int str9x_probe(struct flash_bank *bank)
665 {
666 return ERROR_OK;
667 }
668
669 #if 0
670 COMMAND_HANDLER(str9x_handle_part_id_command)
671 {
672 return ERROR_OK;
673 }
674 #endif
675
676 static int get_str9x_info(struct flash_bank *bank, char *buf, int buf_size)
677 {
678 snprintf(buf, buf_size, "str9x flash driver info");
679 return ERROR_OK;
680 }
681
682 COMMAND_HANDLER(str9x_handle_flash_config_command)
683 {
684 struct target *target = NULL;
685
686 if (CMD_ARGC < 5)
687 {
688 return ERROR_COMMAND_SYNTAX_ERROR;
689 }
690
691 struct flash_bank *bank;
692 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
693 if (ERROR_OK != retval)
694 return retval;
695
696 uint32_t bbsr, nbbsr, bbadr, nbbadr;
697 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], bbsr);
698 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], nbbsr);
699 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], bbadr);
700 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], nbbadr);
701
702 target = bank->target;
703
704 if (bank->target->state != TARGET_HALTED)
705 {
706 LOG_ERROR("Target not halted");
707 return ERROR_TARGET_NOT_HALTED;
708 }
709
710 /* config flash controller */
711 target_write_u32(target, FLASH_BBSR, bbsr);
712 target_write_u32(target, FLASH_NBBSR, nbbsr);
713 target_write_u32(target, FLASH_BBADR, bbadr >> 2);
714 target_write_u32(target, FLASH_NBBADR, nbbadr >> 2);
715
716 /* set bit 18 instruction TCM order as per flash programming manual */
717 arm966e_write_cp15(target, 62, 0x40000);
718
719 /* enable flash bank 1 */
720 target_write_u32(target, FLASH_CR, 0x18);
721 return ERROR_OK;
722 }
723
724 static const struct command_registration str9x_config_command_handlers[] = {
725 {
726 .name = "flash_config",
727 .handler = str9x_handle_flash_config_command,
728 .mode = COMMAND_EXEC,
729 .help = "Configure str9x flash controller, prior to "
730 "programming the flash.",
731 .usage = "bank_id BBSR NBBSR BBADR NBBADR",
732 },
733 COMMAND_REGISTRATION_DONE
734 };
735
736 static const struct command_registration str9x_command_handlers[] = {
737 {
738 .name = "str9x",
739 .mode = COMMAND_ANY,
740 .help = "str9x flash command group",
741 .chain = str9x_config_command_handlers,
742 },
743 COMMAND_REGISTRATION_DONE
744 };
745
746 struct flash_driver str9x_flash = {
747 .name = "str9x",
748 .commands = str9x_command_handlers,
749 .flash_bank_command = str9x_flash_bank_command,
750 .erase = str9x_erase,
751 .protect = str9x_protect,
752 .write = str9x_write,
753 .read = default_flash_read,
754 .probe = str9x_probe,
755 .auto_probe = str9x_probe,
756 .erase_check = default_flash_blank_check,
757 .protect_check = str9x_protect_check,
758 .info = get_str9x_info,
759 };
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