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fm4: Set read callback
[openocd.git] / src / flash / nor / fm4.c
blobc348c1d61344655ec851495e2af466d210a1e3dd
1 /*
2 * Spansion FM4 flash
3 *
4 * Copyright (c) 2015 Andreas Färber
5 *
6 * Based on S6E2DH_MN709-00013 for S6E2DH/DF/D5/D3 series
7 * Based on S6E2CC_MN709-00007 for S6E2CC/C5/C4/C3/C2/C1 series
8 * Based on MB9B560R_MN709-00005 for MB9BFx66/x67/x68 series
9 * Based on MB9B560L_MN709-00006 for MB9BFx64/x65/x66 series
10 */
11
12 #ifdef HAVE_CONFIG_H
13 #include "config.h"
14 #endif
15
16 #include "imp.h"
17 #include <helper/binarybuffer.h>
18 #include <target/algorithm.h>
19 #include <target/armv7m.h>
20
21 #define FLASH_BASE 0x40000000
22 #define FASZR (FLASH_BASE + 0x000)
23 #define DFCTRLR (FLASH_BASE + 0x030)
24 #define DFCTRLR_DFE (1UL << 0)
25
26 #define WDG_BASE 0x40011000
27 #define WDG_CTL (WDG_BASE + 0x008)
28 #define WDG_LCK (WDG_BASE + 0xC00)
29
30 enum fm4_variant {
31 mb9bfx64,
32 mb9bfx65,
33 mb9bfx66,
34 mb9bfx67,
35 mb9bfx68,
36
37 s6e2cx8,
38 s6e2cx9,
39 s6e2cxa,
40
41 s6e2dx,
42 };
43
44 struct fm4_flash_bank {
45 enum fm4_variant variant;
46 int macro_nr;
47 bool probed;
48 };
49
50 static int fm4_disable_hw_watchdog(struct target *target)
51 {
52 int retval;
53
54 retval = target_write_u32(target, WDG_LCK, 0x1ACCE551);
55 if (retval != ERROR_OK)
56 return retval;
57
58 retval = target_write_u32(target, WDG_LCK, 0xE5331AAE);
59 if (retval != ERROR_OK)
60 return retval;
61
62 retval = target_write_u32(target, WDG_CTL, 0);
63 if (retval != ERROR_OK)
64 return retval;
65
66 return ERROR_OK;
67 }
68
69 static int fm4_enter_flash_cpu_programming_mode(struct target *target)
70 {
71 uint32_t u32_value;
72 int retval;
73
74 /* FASZR ASZ = CPU programming mode */
75 retval = target_write_u32(target, FASZR, 0x00000001);
76 if (retval != ERROR_OK)
77 return retval;
78 retval = target_read_u32(target, FASZR, &u32_value);
79 if (retval != ERROR_OK)
80 return retval;
81
82 return ERROR_OK;
83 }
84
85 static int fm4_enter_flash_cpu_rom_mode(struct target *target)
86 {
87 uint32_t u32_value;
88 int retval;
89
90 /* FASZR ASZ = CPU ROM mode */
91 retval = target_write_u32(target, FASZR, 0x00000002);
92 if (retval != ERROR_OK)
93 return retval;
94 retval = target_read_u32(target, FASZR, &u32_value);
95 if (retval != ERROR_OK)
96 return retval;
97
98 return ERROR_OK;
99 }
100
101 static int fm4_flash_erase(struct flash_bank *bank, int first, int last)
102 {
103 struct target *target = bank->target;
104 struct working_area *workarea;
105 struct reg_param reg_params[4];
106 struct armv7m_algorithm armv7m_algo;
107 unsigned i;
108 int retval, sector;
109 const uint8_t erase_sector_code[] = {
110 #include "../../../contrib/loaders/flash/fm4/erase.inc"
111 };
112
113 if (target->state != TARGET_HALTED) {
114 LOG_WARNING("Cannot communicate... target not halted.");
115 return ERROR_TARGET_NOT_HALTED;
116 }
117
118 LOG_DEBUG("Spansion FM4 erase sectors %d to %d", first, last);
119
120 retval = fm4_disable_hw_watchdog(target);
121 if (retval != ERROR_OK)
122 return retval;
123
124 retval = fm4_enter_flash_cpu_programming_mode(target);
125 if (retval != ERROR_OK)
126 return retval;
127
128 retval = target_alloc_working_area(target, sizeof(erase_sector_code),
129 &workarea);
130 if (retval != ERROR_OK) {
131 LOG_ERROR("No working area available.");
132 retval = ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
133 goto err_alloc_code;
134 }
135 retval = target_write_buffer(target, workarea->address,
136 sizeof(erase_sector_code), erase_sector_code);
137 if (retval != ERROR_OK)
138 goto err_write_code;
139
140 armv7m_algo.common_magic = ARMV7M_COMMON_MAGIC;
141 armv7m_algo.core_mode = ARM_MODE_THREAD;
142
143 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
144 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
145 init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
146 init_reg_param(&reg_params[3], "r3", 32, PARAM_IN);
147
148 for (sector = first; sector <= last; sector++) {
149 uint32_t addr = bank->base + bank->sectors[sector].offset;
150 uint32_t result;
151
152 buf_set_u32(reg_params[0].value, 0, 32, (addr & ~0xffff) | 0xAA8);
153 buf_set_u32(reg_params[1].value, 0, 32, (addr & ~0xffff) | 0x554);
154 buf_set_u32(reg_params[2].value, 0, 32, addr);
155
156 retval = target_run_algorithm(target,
157 0, NULL,
158 ARRAY_SIZE(reg_params), reg_params,
159 workarea->address, 0,
160 1000, &armv7m_algo);
161 if (retval != ERROR_OK) {
162 LOG_ERROR("Error executing flash sector erase "
163 "programming algorithm");
164 retval = ERROR_FLASH_OPERATION_FAILED;
165 goto err_run;
166 }
167
168 result = buf_get_u32(reg_params[3].value, 0, 32);
169 if (result == 2) {
170 LOG_ERROR("Timeout error from flash sector erase programming algorithm");
171 retval = ERROR_FLASH_OPERATION_FAILED;
172 goto err_run_ret;
173 } else if (result != 0) {
174 LOG_ERROR("Unexpected error %d from flash sector erase programming algorithm", result);
175 retval = ERROR_FLASH_OPERATION_FAILED;
176 goto err_run_ret;
177 } else
178 retval = ERROR_OK;
179
180 bank->sectors[sector].is_erased = 1;
181 }
182
183 err_run_ret:
184 err_run:
185 for (i = 0; i < ARRAY_SIZE(reg_params); i++)
186 destroy_reg_param(&reg_params[i]);
187
188 err_write_code:
189 target_free_working_area(target, workarea);
190
191 err_alloc_code:
192 if (retval != ERROR_OK)
193 fm4_enter_flash_cpu_rom_mode(target);
194 else
195 retval = fm4_enter_flash_cpu_rom_mode(target);
196
197 return retval;
198 }
199
200 static int fm4_flash_write(struct flash_bank *bank, const uint8_t *buffer,
201 uint32_t offset, uint32_t byte_count)
202 {
203 struct target *target = bank->target;
204 struct working_area *code_workarea, *data_workarea;
205 struct reg_param reg_params[6];
206 struct armv7m_algorithm armv7m_algo;
207 uint32_t halfword_count = DIV_ROUND_UP(byte_count, 2);
208 uint32_t result;
209 unsigned i;
210 int retval;
211 const uint8_t write_block_code[] = {
212 #include "../../../contrib/loaders/flash/fm4/write.inc"
213 };
214
215 LOG_DEBUG("Spansion FM4 write at 0x%08" PRIx32 " (%" PRId32 " bytes)",
216 offset, byte_count);
217
218 if (offset & 0x1) {
219 LOG_ERROR("offset 0x%" PRIx32 " breaks required 2-byte alignment",
220 offset);
221 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
222 }
223 if (byte_count & 0x1) {
224 LOG_WARNING("length %" PRId32 " is not 2-byte aligned, rounding up",
225 byte_count);
226 }
227
228 if (target->state != TARGET_HALTED) {
229 LOG_WARNING("Cannot communicate... target not halted.");
230 return ERROR_TARGET_NOT_HALTED;
231 }
232
233 retval = fm4_disable_hw_watchdog(target);
234 if (retval != ERROR_OK)
235 return retval;
236
237 retval = target_alloc_working_area(target, sizeof(write_block_code),
238 &code_workarea);
239 if (retval != ERROR_OK) {
240 LOG_ERROR("No working area available for write code.");
241 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
242 }
243 retval = target_write_buffer(target, code_workarea->address,
244 sizeof(write_block_code), write_block_code);
245 if (retval != ERROR_OK)
246 goto err_write_code;
247
248 retval = target_alloc_working_area(target,
249 MIN(halfword_count * 2, target_get_working_area_avail(target)),
250 &data_workarea);
251 if (retval != ERROR_OK) {
252 LOG_ERROR("No working area available for write data.");
253 retval = ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
254 goto err_alloc_data;
255 }
256
257 armv7m_algo.common_magic = ARMV7M_COMMON_MAGIC;
258 armv7m_algo.core_mode = ARM_MODE_THREAD;
259
260 init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
261 init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
262 init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
263 init_reg_param(&reg_params[3], "r3", 32, PARAM_OUT);
264 init_reg_param(&reg_params[4], "r4", 32, PARAM_OUT);
265 init_reg_param(&reg_params[5], "r5", 32, PARAM_IN);
266
267 retval = fm4_enter_flash_cpu_programming_mode(target);
268 if (retval != ERROR_OK)
269 goto err_flash_mode;
270
271 while (byte_count > 0) {
272 uint32_t halfwords = MIN(halfword_count, data_workarea->size / 2);
273 uint32_t addr = bank->base + offset;
274
275 LOG_DEBUG("copying %" PRId32 " bytes to SRAM 0x%08" PRIx32,
276 MIN(halfwords * 2, byte_count), data_workarea->address);
277
278 retval = target_write_buffer(target, data_workarea->address,
279 MIN(halfwords * 2, byte_count), buffer);
280 if (retval != ERROR_OK) {
281 LOG_ERROR("Error writing data buffer");
282 retval = ERROR_FLASH_OPERATION_FAILED;
283 goto err_write_data;
284 }
285
286 LOG_DEBUG("writing 0x%08" PRIx32 "-0x%08" PRIx32 " (%" PRId32 "x)",
287 addr, addr + halfwords * 2 - 1, halfwords);
288
289 buf_set_u32(reg_params[0].value, 0, 32, (addr & ~0xffff) | 0xAA8);
290 buf_set_u32(reg_params[1].value, 0, 32, (addr & ~0xffff) | 0x554);
291 buf_set_u32(reg_params[2].value, 0, 32, addr);
292 buf_set_u32(reg_params[3].value, 0, 32, data_workarea->address);
293 buf_set_u32(reg_params[4].value, 0, 32, halfwords);
294
295 retval = target_run_algorithm(target,
296 0, NULL,
297 ARRAY_SIZE(reg_params), reg_params,
298 code_workarea->address, 0,
299 5 * 60 * 1000, &armv7m_algo);
300 if (retval != ERROR_OK) {
301 LOG_ERROR("Error executing flash sector erase "
302 "programming algorithm");
303 retval = ERROR_FLASH_OPERATION_FAILED;
304 goto err_run;
305 }
306
307 result = buf_get_u32(reg_params[5].value, 0, 32);
308 if (result == 2) {
309 LOG_ERROR("Timeout error from flash write "
310 "programming algorithm");
311 retval = ERROR_FLASH_OPERATION_FAILED;
312 goto err_run_ret;
313 } else if (result != 0) {
314 LOG_ERROR("Unexpected error %d from flash write "
315 "programming algorithm", result);
316 retval = ERROR_FLASH_OPERATION_FAILED;
317 goto err_run_ret;
318 } else
319 retval = ERROR_OK;
320
321 halfword_count -= halfwords;
322 offset += halfwords * 2;
323 buffer += halfwords * 2;
324 byte_count -= MIN(halfwords * 2, byte_count);
325 }
326
327 err_run_ret:
328 err_run:
329 err_write_data:
330 retval = fm4_enter_flash_cpu_rom_mode(target);
331
332 err_flash_mode:
333 for (i = 0; i < ARRAY_SIZE(reg_params); i++)
334 destroy_reg_param(&reg_params[i]);
335
336 target_free_working_area(target, data_workarea);
337 err_alloc_data:
338 err_write_code:
339 target_free_working_area(target, code_workarea);
340
341 return retval;
342 }
343
344 static int mb9bf_probe(struct flash_bank *bank)
345 {
346 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
347 uint32_t flash_addr = bank->base;
348 int i;
349
350 switch (fm4_bank->variant) {
351 case mb9bfx64:
352 bank->num_sectors = 8;
353 break;
354 case mb9bfx65:
355 bank->num_sectors = 10;
356 break;
357 case mb9bfx66:
358 bank->num_sectors = 12;
359 break;
360 case mb9bfx67:
361 bank->num_sectors = 16;
362 break;
363 case mb9bfx68:
364 bank->num_sectors = 20;
365 break;
366 default:
367 return ERROR_FLASH_OPER_UNSUPPORTED;
368 }
369
370 LOG_DEBUG("%d sectors", bank->num_sectors);
371 bank->sectors = calloc(bank->num_sectors,
372 sizeof(struct flash_sector));
373 for (i = 0; i < bank->num_sectors; i++) {
374 if (i < 4)
375 bank->sectors[i].size = 8 * 1024;
376 else if (i == 4)
377 bank->sectors[i].size = 32 * 1024;
378 else
379 bank->sectors[i].size = 64 * 1024;
380 bank->sectors[i].offset = flash_addr - bank->base;
381 bank->sectors[i].is_erased = -1;
382 bank->sectors[i].is_protected = -1;
383
384 bank->size += bank->sectors[i].size;
385 flash_addr += bank->sectors[i].size;
386 }
387
388 return ERROR_OK;
389 }
390
391 static void s6e2cc_init_sector(struct flash_sector *sector, int sa)
392 {
393 if (sa < 8)
394 sector->size = 8 * 1024;
395 else if (sa == 8)
396 sector->size = 32 * 1024;
397 else
398 sector->size = 64 * 1024;
399
400 sector->is_erased = -1;
401 sector->is_protected = -1;
402 }
403
404 static int s6e2cc_probe(struct flash_bank *bank)
405 {
406 struct target *target = bank->target;
407 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
408 uint32_t u32_value;
409 uint32_t flash_addr = bank->base;
410 int i, retval, num_sectors, num_extra_sectors;
411
412 retval = target_read_u32(target, DFCTRLR, &u32_value);
413 if (retval != ERROR_OK)
414 return retval;
415 if (u32_value & DFCTRLR_DFE) {
416 LOG_WARNING("Dual Flash mode is not implemented.");
417 return ERROR_FLASH_OPER_UNSUPPORTED;
418 }
419
420 switch (fm4_bank->variant) {
421 case s6e2cx8:
422 num_sectors = (fm4_bank->macro_nr == 0) ? 20 : 0;
423 break;
424 case s6e2cx9:
425 num_sectors = (fm4_bank->macro_nr == 0) ? 20 : 12;
426 break;
427 case s6e2cxa:
428 num_sectors = 20;
429 break;
430 default:
431 return ERROR_FLASH_OPER_UNSUPPORTED;
432 }
433 num_extra_sectors = (fm4_bank->macro_nr == 0) ? 1 : 4;
434 bank->num_sectors = num_sectors + num_extra_sectors;
435
436 LOG_DEBUG("%d sectors", bank->num_sectors);
437 bank->sectors = calloc(bank->num_sectors,
438 sizeof(struct flash_sector));
439 for (i = 0; i < num_sectors; i++) {
440 int sa = 4 + i;
441 bank->sectors[i].offset = flash_addr - bank->base;
442 s6e2cc_init_sector(&bank->sectors[i], sa);
443
444 bank->size += bank->sectors[i].size;
445 flash_addr += bank->sectors[i].size;
446 }
447
448 flash_addr = (fm4_bank->macro_nr == 0) ? 0x00406000 : 0x00408000;
449 for (; i < bank->num_sectors; i++) {
450 int sa = 4 - num_extra_sectors + (i - num_sectors);
451 bank->sectors[i].offset = flash_addr - bank->base;
452 s6e2cc_init_sector(&bank->sectors[i], sa);
453
454 /*
455 * Don't increase bank->size for these sectors
456 * to avoid an overlap between Flash Macros #0 and #1.
457 */
458 flash_addr += bank->sectors[i].size;
459 }
460
461 return ERROR_OK;
462 }
463
464 static int s6e2dh_probe(struct flash_bank *bank)
465 {
466 uint32_t flash_addr = bank->base;
467 int i;
468
469 bank->num_sectors = 10;
470 bank->sectors = calloc(bank->num_sectors,
471 sizeof(struct flash_sector));
472 for (i = 0; i < bank->num_sectors; i++) {
473 if (i < 4)
474 bank->sectors[i].size = 8 * 1024;
475 else if (i == 4)
476 bank->sectors[i].size = 32 * 1024;
477 else
478 bank->sectors[i].size = 64 * 1024;
479 bank->sectors[i].offset = flash_addr - bank->base;
480 bank->sectors[i].is_erased = -1;
481 bank->sectors[i].is_protected = -1;
482
483 bank->size += bank->sectors[i].size;
484 flash_addr += bank->sectors[i].size;
485 }
486
487 return ERROR_OK;
488 }
489
490 static int fm4_probe(struct flash_bank *bank)
491 {
492 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
493 int retval;
494
495 if (fm4_bank->probed)
496 return ERROR_OK;
497
498 if (bank->target->state != TARGET_HALTED) {
499 LOG_WARNING("Cannot communicate... target not halted.");
500 return ERROR_TARGET_NOT_HALTED;
501 }
502
503 switch (fm4_bank->variant) {
504 case mb9bfx64:
505 case mb9bfx65:
506 case mb9bfx66:
507 case mb9bfx67:
508 case mb9bfx68:
509 retval = mb9bf_probe(bank);
510 break;
511 case s6e2cx8:
512 case s6e2cx9:
513 case s6e2cxa:
514 retval = s6e2cc_probe(bank);
515 break;
516 case s6e2dx:
517 retval = s6e2dh_probe(bank);
518 break;
519 default:
520 return ERROR_FLASH_OPER_UNSUPPORTED;
521 }
522 if (retval != ERROR_OK)
523 return retval;
524
525 fm4_bank->probed = true;
526
527 return ERROR_OK;
528 }
529
530 static int fm4_auto_probe(struct flash_bank *bank)
531 {
532 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
533
534 if (fm4_bank->probed)
535 return ERROR_OK;
536
537 return fm4_probe(bank);
538 }
539
540 static int fm4_protect_check(struct flash_bank *bank)
541 {
542 return ERROR_OK;
543 }
544
545 static int fm4_get_info_command(struct flash_bank *bank, char *buf, int buf_size)
546 {
547 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
548 const char *name;
549
550 if (bank->target->state != TARGET_HALTED) {
551 LOG_WARNING("Cannot communicate... target not halted.");
552 return ERROR_TARGET_NOT_HALTED;
553 }
554
555 switch (fm4_bank->variant) {
556 case mb9bfx64:
557 name = "MB9BFx64";
558 break;
559 case mb9bfx65:
560 name = "MB9BFx65";
561 break;
562 case mb9bfx66:
563 name = "MB9BFx66";
564 break;
565 case mb9bfx67:
566 name = "MB9BFx67";
567 break;
568 case mb9bfx68:
569 name = "MB9BFx68";
570 break;
571 case s6e2cx8:
572 name = "S6E2Cx8";
573 break;
574 case s6e2cx9:
575 name = "S6E2Cx9";
576 break;
577 case s6e2cxa:
578 name = "S6E2CxA";
579 break;
580 case s6e2dx:
581 name = "S6E2Dx";
582 break;
583 default:
584 name = "unknown";
585 break;
586 }
587
588 switch (fm4_bank->variant) {
589 case s6e2cx8:
590 case s6e2cx9:
591 case s6e2cxa:
592 snprintf(buf, buf_size, "%s MainFlash Macro #%i",
593 name, fm4_bank->macro_nr);
594 break;
595 default:
596 snprintf(buf, buf_size, "%s MainFlash", name);
597 break;
598 }
599
600 return ERROR_OK;
601 }
602
603 static bool fm4_name_match(const char *s, const char *pattern)
604 {
605 int i = 0;
606
607 while (s[i]) {
608 /* If the match string is shorter, ignore excess */
609 if (!pattern[i])
610 return true;
611 /* Use x as wildcard */
612 if (pattern[i] != 'x' && tolower(s[i]) != tolower(pattern[i]))
613 return false;
614 i++;
615 }
616 return true;
617 }
618
619 static int mb9bf_bank_setup(struct flash_bank *bank, const char *variant)
620 {
621 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
622
623 if (fm4_name_match(variant, "MB9BFx64")) {
624 fm4_bank->variant = mb9bfx64;
625 } else if (fm4_name_match(variant, "MB9BFx65")) {
626 fm4_bank->variant = mb9bfx65;
627 } else if (fm4_name_match(variant, "MB9BFx66")) {
628 fm4_bank->variant = mb9bfx66;
629 } else if (fm4_name_match(variant, "MB9BFx67")) {
630 fm4_bank->variant = mb9bfx67;
631 } else if (fm4_name_match(variant, "MB9BFx68")) {
632 fm4_bank->variant = mb9bfx68;
633 } else {
634 LOG_WARNING("MB9BF variant %s not recognized.", variant);
635 return ERROR_FLASH_OPER_UNSUPPORTED;
636 }
637
638 return ERROR_OK;
639 }
640
641 static int s6e2cc_bank_setup(struct flash_bank *bank, const char *variant)
642 {
643 struct fm4_flash_bank *fm4_bank = bank->driver_priv;
644
645 if (fm4_name_match(variant, "S6E2Cx8")) {
646 fm4_bank->variant = s6e2cx8;
647 } else if (fm4_name_match(variant, "S6E2Cx9")) {
648 fm4_bank->variant = s6e2cx9;
649 } else if (fm4_name_match(variant, "S6E2CxA")) {
650 fm4_bank->variant = s6e2cxa;
651 } else {
652 LOG_WARNING("S6E2CC variant %s not recognized.", variant);
653 return ERROR_FLASH_OPER_UNSUPPORTED;
654 }
655
656 return ERROR_OK;
657 }
658
659 FLASH_BANK_COMMAND_HANDLER(fm4_flash_bank_command)
660 {
661 struct fm4_flash_bank *fm4_bank;
662 const char *variant;
663 int ret;
664
665 if (CMD_ARGC < 7)
666 return ERROR_COMMAND_SYNTAX_ERROR;
667
668 variant = CMD_ARGV[6];
669
670 fm4_bank = malloc(sizeof(struct fm4_flash_bank));
671 if (!fm4_bank)
672 return ERROR_FLASH_OPERATION_FAILED;
673
674 fm4_bank->probed = false;
675 fm4_bank->macro_nr = (bank->base == 0x00000000) ? 0 : 1;
676
677 bank->driver_priv = fm4_bank;
678
679 if (fm4_name_match(variant, "MB9BF"))
680 ret = mb9bf_bank_setup(bank, variant);
681 else if (fm4_name_match(variant, "S6E2Cx"))
682 ret = s6e2cc_bank_setup(bank, variant);
683 else if (fm4_name_match(variant, "S6E2Dx")) {
684 fm4_bank->variant = s6e2dx;
685 ret = ERROR_OK;
686 } else {
687 LOG_WARNING("Family %s not recognized.", variant);
688 ret = ERROR_FLASH_OPER_UNSUPPORTED;
689 }
690 if (ret != ERROR_OK)
691 free(fm4_bank);
692 return ret;
693 }
694
695 static const struct command_registration fm4_exec_command_handlers[] = {
696 COMMAND_REGISTRATION_DONE
697 };
698
699 static const struct command_registration fm4_command_handlers[] = {
700 {
701 .name = "fm4",
702 .mode = COMMAND_ANY,
703 .help = "fm4 flash command group",
704 .usage = "",
705 .chain = fm4_exec_command_handlers,
706 },
707 COMMAND_REGISTRATION_DONE
708 };
709
710 struct flash_driver fm4_flash = {
711 .name = "fm4",
712 .commands = fm4_command_handlers,
713 .flash_bank_command = fm4_flash_bank_command,
714 .info = fm4_get_info_command,
715 .probe = fm4_probe,
716 .auto_probe = fm4_auto_probe,
717 .protect_check = fm4_protect_check,
718 .read = default_flash_read,
719 .erase = fm4_flash_erase,
720 .erase_check = default_flash_blank_check,
721 .write = fm4_flash_write,
722 };
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