1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> *
3 * Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> *
4 * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
5 * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the *
19 * Free Software Foundation, Inc., *
20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
21 ***************************************************************************/
26 #include <helper/time_support.h>
27 #include <target/image.h>
31 * Implements Tcl commands used to access NOR flash facilities.
34 COMMAND_HELPER(flash_command_get_bank
, unsigned name_index
,
35 struct flash_bank
**bank
)
37 const char *name
= CMD_ARGV
[name_index
];
38 *bank
= get_flash_bank_by_name(name
);
43 COMMAND_PARSE_NUMBER(uint
, name
, bank_num
);
45 return get_flash_bank_by_num(bank_num
, bank
);
49 COMMAND_HANDLER(handle_flash_info_command
)
56 return ERROR_COMMAND_SYNTAX_ERROR
;
58 retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
59 if (retval
!= ERROR_OK
)
66 /* attempt auto probe */
67 if ((retval
= p
->driver
->auto_probe(p
)) != ERROR_OK
)
70 /* We must query the hardware to avoid printing stale information! */
71 retval
= p
->driver
->protect_check(p
);
72 if (retval
!= ERROR_OK
)
75 command_print(CMD_CTX
,
76 "#%" PRIu32
" : %s at 0x%8.8" PRIx32
", size 0x%8.8" PRIx32
", buswidth %i, chipwidth %i",
83 for (j
= 0; j
< p
->num_sectors
; j
++)
87 if (p
->sectors
[j
].is_protected
== 0)
88 protect_state
= "not protected";
89 else if (p
->sectors
[j
].is_protected
== 1)
90 protect_state
= "protected";
92 protect_state
= "protection state unknown";
94 command_print(CMD_CTX
,
95 "\t#%3i: 0x%8.8" PRIx32
" (0x%" PRIx32
" %" PRIi32
"kB) %s",
99 p
->sectors
[j
].size
>> 10,
103 *buf
= '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
104 retval
= p
->driver
->info(p
, buf
, sizeof(buf
));
105 command_print(CMD_CTX
, "%s", buf
);
106 if (retval
!= ERROR_OK
)
107 LOG_ERROR("error retrieving flash info (%d)", retval
);
113 COMMAND_HANDLER(handle_flash_probe_command
)
115 struct flash_bank
*p
;
120 return ERROR_COMMAND_SYNTAX_ERROR
;
123 retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
124 if (retval
!= ERROR_OK
)
129 if ((retval
= p
->driver
->probe(p
)) == ERROR_OK
)
131 command_print(CMD_CTX
, "flash '%s' found at 0x%8.8" PRIx32
, p
->driver
->name
, p
->base
);
133 else if (retval
== ERROR_FLASH_BANK_INVALID
)
135 command_print(CMD_CTX
, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32
,
136 CMD_ARGV
[0], p
->base
);
140 command_print(CMD_CTX
, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32
,
141 CMD_ARGV
[0], p
->base
);
146 command_print(CMD_CTX
, "flash bank '#%s' is out of bounds", CMD_ARGV
[0]);
152 COMMAND_HANDLER(handle_flash_erase_check_command
)
156 return ERROR_COMMAND_SYNTAX_ERROR
;
159 struct flash_bank
*p
;
160 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
161 if (ERROR_OK
!= retval
)
165 if ((retval
= p
->driver
->erase_check(p
)) == ERROR_OK
)
167 command_print(CMD_CTX
, "successfully checked erase state");
171 command_print(CMD_CTX
, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32
,
172 CMD_ARGV
[0], p
->base
);
175 for (j
= 0; j
< p
->num_sectors
; j
++)
179 if (p
->sectors
[j
].is_erased
== 0)
180 erase_state
= "not erased";
181 else if (p
->sectors
[j
].is_erased
== 1)
182 erase_state
= "erased";
184 erase_state
= "erase state unknown";
186 command_print(CMD_CTX
,
187 "\t#%3i: 0x%8.8" PRIx32
" (0x%" PRIx32
" %" PRIi32
"kB) %s",
189 p
->sectors
[j
].offset
,
191 p
->sectors
[j
].size
>> 10,
198 COMMAND_HANDLER(handle_flash_erase_address_command
)
200 struct flash_bank
*p
;
201 int retval
= ERROR_OK
;
205 bool do_unlock
= false;
206 struct target
*target
= get_current_target(CMD_CTX
);
208 while (CMD_ARGC
>= 3)
210 /* Optionally pad out the address range to block/sector
211 * boundaries. We can't know if there's data in that part
212 * of the flash; only do padding if we're told to.
214 if (strcmp("pad", CMD_ARGV
[0]) == 0)
217 } else if (strcmp("unlock", CMD_ARGV
[0]) == 0)
222 return ERROR_COMMAND_SYNTAX_ERROR
;
229 return ERROR_COMMAND_SYNTAX_ERROR
;
232 COMMAND_PARSE_NUMBER(int, CMD_ARGV
[0], address
);
233 COMMAND_PARSE_NUMBER(int, CMD_ARGV
[1], length
);
237 command_print(CMD_CTX
, "Length must be >0");
238 return ERROR_COMMAND_SYNTAX_ERROR
;
241 p
= get_flash_bank_by_addr(target
, address
);
247 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
250 struct duration bench
;
251 duration_start(&bench
);
255 retval
= flash_unlock_address_range(target
, address
, length
);
258 if (retval
== ERROR_OK
)
260 retval
= flash_erase_address_range(target
, do_pad
, address
, length
);
263 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
265 command_print(CMD_CTX
, "erased address 0x%8.8x (length %i)"
266 " in %fs (%0.3f KiB/s)", address
, length
,
267 duration_elapsed(&bench
), duration_kbps(&bench
, length
));
273 static int flash_check_sector_parameters(struct command_context
*cmd_ctx
,
274 uint32_t first
, uint32_t last
, uint32_t num_sectors
)
276 if (!(first
<= last
)) {
277 command_print(cmd_ctx
, "ERROR: "
278 "first sector must be <= last sector");
282 if (!(last
<= (num_sectors
- 1))) {
283 command_print(cmd_ctx
, "ERROR: last sector must be <= %d",
284 (int) num_sectors
- 1);
291 COMMAND_HANDLER(handle_flash_erase_command
)
294 return ERROR_COMMAND_SYNTAX_ERROR
;
299 struct flash_bank
*p
;
302 retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
303 if (retval
!= ERROR_OK
)
306 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], first
);
307 if (strcmp(CMD_ARGV
[2], "last") == 0)
308 last
= p
->num_sectors
- 1;
310 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], last
);
312 if ((retval
= flash_check_sector_parameters(CMD_CTX
,
313 first
, last
, p
->num_sectors
)) != ERROR_OK
)
316 struct duration bench
;
317 duration_start(&bench
);
319 retval
= flash_driver_erase(p
, first
, last
);
321 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
323 command_print(CMD_CTX
, "erased sectors %" PRIu32
" "
324 "through %" PRIu32
" on flash bank %" PRIu32
" "
325 "in %fs", first
, last
, p
->bank_number
, duration_elapsed(&bench
));
331 COMMAND_HANDLER(handle_flash_protect_command
)
334 return ERROR_COMMAND_SYNTAX_ERROR
;
339 struct flash_bank
*p
;
342 retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
343 if (retval
!= ERROR_OK
)
346 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], first
);
347 if (strcmp(CMD_ARGV
[2], "last") == 0)
348 last
= p
->num_sectors
- 1;
350 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], last
);
353 COMMAND_PARSE_ON_OFF(CMD_ARGV
[3], set
);
355 if ((retval
= flash_check_sector_parameters(CMD_CTX
,
356 first
, last
, p
->num_sectors
)) != ERROR_OK
)
359 retval
= flash_driver_protect(p
, set
, first
, last
);
360 if (retval
== ERROR_OK
) {
361 command_print(CMD_CTX
, "%s protection for sectors %i "
362 "through %i on flash bank %" PRIu32
"",
363 (set
) ? "set" : "cleared", (int) first
,
364 (int) last
, p
->bank_number
);
370 COMMAND_HANDLER(handle_flash_write_image_command
)
372 struct target
*target
= get_current_target(CMD_CTX
);
381 return ERROR_COMMAND_SYNTAX_ERROR
;
384 /* flash auto-erase is disabled by default*/
386 bool auto_unlock
= false;
390 if (strcmp(CMD_ARGV
[0], "erase") == 0)
395 command_print(CMD_CTX
, "auto erase enabled");
396 } else if (strcmp(CMD_ARGV
[0], "unlock") == 0)
401 command_print(CMD_CTX
, "auto unlock enabled");
410 return ERROR_COMMAND_SYNTAX_ERROR
;
415 LOG_ERROR("no target selected");
419 struct duration bench
;
420 duration_start(&bench
);
424 image
.base_address_set
= 1;
425 COMMAND_PARSE_NUMBER(llong
, CMD_ARGV
[1], image
.base_address
);
429 image
.base_address_set
= 0;
430 image
.base_address
= 0x0;
433 image
.start_address_set
= 0;
435 retval
= image_open(&image
, CMD_ARGV
[0], (CMD_ARGC
== 3) ? CMD_ARGV
[2] : NULL
);
436 if (retval
!= ERROR_OK
)
441 retval
= flash_write_unlock(target
, &image
, &written
, auto_erase
, auto_unlock
);
442 if (retval
!= ERROR_OK
)
448 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
450 command_print(CMD_CTX
, "wrote %" PRIu32
" bytes from file %s "
451 "in %fs (%0.3f KiB/s)", written
, CMD_ARGV
[0],
452 duration_elapsed(&bench
), duration_kbps(&bench
, written
));
460 COMMAND_HANDLER(handle_flash_fill_command
)
467 uint32_t cur_size
= 0;
468 uint32_t chunk_count
;
469 struct target
*target
= get_current_target(CMD_CTX
);
472 int retval
= ERROR_OK
;
474 static size_t const chunksize
= 1024;
475 uint8_t *chunk
= malloc(chunksize
);
479 uint8_t *readback
= malloc(chunksize
);
480 if (readback
== NULL
)
489 retval
= ERROR_COMMAND_SYNTAX_ERROR
;
494 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], address
);
495 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], pattern
);
496 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], count
);
513 retval
= ERROR_COMMAND_SYNTAX_ERROR
;
517 chunk_count
= MIN(count
, (chunksize
/ wordsize
));
521 for (i
= 0; i
< chunk_count
; i
++)
523 target_buffer_set_u32(target
, chunk
+ i
* wordsize
, pattern
);
527 for (i
= 0; i
< chunk_count
; i
++)
529 target_buffer_set_u16(target
, chunk
+ i
* wordsize
, pattern
);
533 memset(chunk
, pattern
, chunk_count
);
536 LOG_ERROR("BUG: can't happen");
540 struct duration bench
;
541 duration_start(&bench
);
543 for (wrote
= 0; wrote
< (count
*wordsize
); wrote
+= cur_size
)
545 struct flash_bank
*bank
;
547 bank
= get_flash_bank_by_addr(target
, address
);
554 cur_size
= MIN((count
* wordsize
- wrote
), chunksize
);
555 err
= flash_driver_write(bank
, chunk
, address
- bank
->base
+ wrote
, cur_size
);
562 err
= flash_driver_read(bank
, readback
, address
- bank
->base
+ wrote
, cur_size
);
570 for (i
= 0; i
< cur_size
; i
++)
572 if (readback
[i
]!=chunk
[i
])
574 LOG_ERROR("Verification error address 0x%08" PRIx32
", read back 0x%02x, expected 0x%02x",
575 address
+ wrote
+ i
, readback
[i
], chunk
[i
]);
582 if (duration_measure(&bench
) == ERROR_OK
)
584 command_print(CMD_CTX
, "wrote %" PRIu32
" bytes to 0x%8.8" PRIx32
585 " in %fs (%0.3f KiB/s)", wrote
, address
,
586 duration_elapsed(&bench
), duration_kbps(&bench
, wrote
));
596 COMMAND_HANDLER(handle_flash_write_bank_command
)
600 struct fileio fileio
;
603 return ERROR_COMMAND_SYNTAX_ERROR
;
605 struct duration bench
;
606 duration_start(&bench
);
608 struct flash_bank
*p
;
609 int retval
= CALL_COMMAND_HANDLER(flash_command_get_bank
, 0, &p
);
610 if (ERROR_OK
!= retval
)
613 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], offset
);
615 if (fileio_open(&fileio
, CMD_ARGV
[1], FILEIO_READ
, FILEIO_BINARY
) != ERROR_OK
)
620 buffer
= malloc(fileio
.size
);
622 if (fileio_read(&fileio
, fileio
.size
, buffer
, &buf_cnt
) != ERROR_OK
)
625 fileio_close(&fileio
);
629 retval
= flash_driver_write(p
, buffer
, offset
, buf_cnt
);
634 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
636 command_print(CMD_CTX
, "wrote %ld bytes from file %s to flash bank %u"
637 " at offset 0x%8.8" PRIx32
" in %fs (%0.3f KiB/s)",
638 (long)fileio
.size
, CMD_ARGV
[1], p
->bank_number
, offset
,
639 duration_elapsed(&bench
), duration_kbps(&bench
, fileio
.size
));
642 fileio_close(&fileio
);
647 void flash_set_dirty(void)
649 struct flash_bank
*c
;
652 /* set all flash to require erasing */
653 for (c
= flash_bank_list(); c
; c
= c
->next
)
655 for (i
= 0; i
< c
->num_sectors
; i
++)
657 c
->sectors
[i
].is_erased
= 0;
662 static const struct command_registration flash_exec_command_handlers
[] = {
665 .handler
= handle_flash_probe_command
,
666 .mode
= COMMAND_EXEC
,
668 .help
= "Identify a flash bank.",
672 .handler
= handle_flash_info_command
,
673 .mode
= COMMAND_EXEC
,
675 .help
= "Print information about a flash bank.",
678 .name
= "erase_check",
679 .handler
= handle_flash_erase_check_command
,
680 .mode
= COMMAND_EXEC
,
682 .help
= "Check erase state of all blocks in a "
686 .name
= "erase_sector",
687 .handler
= handle_flash_erase_command
,
688 .mode
= COMMAND_EXEC
,
689 .usage
= "bank_id first_sector_num last_sector_num",
690 .help
= "Erase a range of sectors in a flash bank.",
693 .name
= "erase_address",
694 .handler
= handle_flash_erase_address_command
,
695 .mode
= COMMAND_EXEC
,
696 .usage
= "['pad'] ['unlock'] address length",
697 .help
= "Erase flash sectors starting at address and "
698 "continuing for length bytes. If 'pad' is specified, "
699 "data outside that range may also be erased: the start "
700 "address may be decreased, and length increased, so "
701 "that all of the first and last sectors are erased. "
702 "If 'unlock' is specified, then the flash is unprotected "
708 .handler
= handle_flash_fill_command
,
709 .mode
= COMMAND_EXEC
,
710 .usage
= "address value n",
711 .help
= "Fill n words with 32-bit value, starting at "
712 "word address. (No autoerase.)",
716 .handler
= handle_flash_fill_command
,
717 .mode
= COMMAND_EXEC
,
718 .usage
= "address value n",
719 .help
= "Fill n halfwords with 16-bit value, starting at "
720 "word address. (No autoerase.)",
724 .handler
= handle_flash_fill_command
,
725 .mode
= COMMAND_EXEC
,
726 .usage
= "address value n",
727 .help
= "Fill n bytes with 8-bit value, starting at "
728 "word address. (No autoerase.)",
731 .name
= "write_bank",
732 .handler
= handle_flash_write_bank_command
,
733 .mode
= COMMAND_EXEC
,
734 .usage
= "bank_id filename offset",
735 .help
= "Write binary data from file to flash bank, "
736 "starting at specified byte offset from the "
737 "beginning of the bank.",
740 .name
= "write_image",
741 .handler
= handle_flash_write_image_command
,
742 .mode
= COMMAND_EXEC
,
743 .usage
= "[erase] [unlock] filename [offset [file_type]]",
744 .help
= "Write an image to flash. Optionally first unprotect "
745 "and/or erase the region to be used. Allow optional "
746 "offset from beginning of bank (defaults to zero)",
750 .handler
= handle_flash_protect_command
,
751 .mode
= COMMAND_EXEC
,
752 .usage
= "bank_id first_sector [last_sector|'last'] "
754 .help
= "Turn protection on or off for a range of sectors "
755 "in a given flash bank.",
757 COMMAND_REGISTRATION_DONE
760 static int flash_init_drivers(struct command_context
*cmd_ctx
)
762 if (!flash_bank_list())
765 struct command
*parent
= command_find_in_context(cmd_ctx
, "flash");
766 return register_commands(cmd_ctx
, parent
, flash_exec_command_handlers
);
770 COMMAND_HANDLER(handle_flash_bank_command
)
774 LOG_ERROR("usage: flash bank <name> <driver> "
775 "<base> <size> <chip_width> <bus_width> <target>");
776 return ERROR_COMMAND_SYNTAX_ERROR
;
778 // save bank name and advance arguments for compatibility
779 const char *bank_name
= *CMD_ARGV
++;
782 struct target
*target
;
783 if ((target
= get_target(CMD_ARGV
[5])) == NULL
)
785 LOG_ERROR("target '%s' not defined", CMD_ARGV
[5]);
789 const char *driver_name
= CMD_ARGV
[0];
790 struct flash_driver
*driver
= flash_driver_find_by_name(driver_name
);
793 /* no matching flash driver found */
794 LOG_ERROR("flash driver '%s' not found", driver_name
);
798 /* check the flash bank name is unique */
799 if (get_flash_bank_by_name(bank_name
) != NULL
)
801 /* flash bank name already exists */
802 LOG_ERROR("flash bank name '%s' already exists", bank_name
);
806 /* register flash specific commands */
807 if (NULL
!= driver
->commands
)
809 int retval
= register_commands(CMD_CTX
, NULL
,
811 if (ERROR_OK
!= retval
)
813 LOG_ERROR("couldn't register '%s' commands",
819 struct flash_bank
*c
= malloc(sizeof(*c
));
820 c
->name
= strdup(bank_name
);
823 c
->driver_priv
= NULL
;
824 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], c
->base
);
825 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], c
->size
);
826 COMMAND_PARSE_NUMBER(int, CMD_ARGV
[3], c
->chip_width
);
827 COMMAND_PARSE_NUMBER(int, CMD_ARGV
[4], c
->bus_width
);
833 retval
= CALL_COMMAND_HANDLER(driver
->flash_bank_command
, c
);
834 if (ERROR_OK
!= retval
)
836 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32
,
837 driver_name
, c
->base
);
847 COMMAND_HANDLER(handle_flash_banks_command
)
850 return ERROR_INVALID_ARGUMENTS
;
853 for (struct flash_bank
*p
= flash_bank_list(); p
; p
= p
->next
, n
++)
855 LOG_USER("#%" PRIu32
" : %s at 0x%8.8" PRIx32
", size 0x%8.8" PRIx32
", "
856 "buswidth %u, chipwidth %u", p
->bank_number
,
857 p
->driver
->name
, p
->base
, p
->size
,
858 p
->bus_width
, p
->chip_width
);
863 static int jim_flash_list(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
867 Jim_WrongNumArgs(interp
, 1, argv
,
868 "no arguments to 'flash list' command");
872 Jim_Obj
*list
= Jim_NewListObj(interp
, NULL
, 0);
874 for (struct flash_bank
*p
= flash_bank_list(); p
; p
= p
->next
)
876 Jim_Obj
*elem
= Jim_NewListObj(interp
, NULL
, 0);
878 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "name", -1));
879 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, p
->driver
->name
, -1));
880 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "base", -1));
881 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->base
));
882 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "size", -1));
883 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->size
));
884 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "bus_width", -1));
885 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->bus_width
));
886 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "chip_width", -1));
887 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->chip_width
));
889 Jim_ListAppendElement(interp
, list
, elem
);
892 Jim_SetResult(interp
, list
);
898 COMMAND_HANDLER(handle_flash_init_command
)
901 return ERROR_COMMAND_SYNTAX_ERROR
;
903 static bool flash_initialized
= false;
904 if (flash_initialized
)
906 LOG_INFO("'flash init' has already been called");
909 flash_initialized
= true;
911 LOG_DEBUG("Initializing flash devices...");
912 return flash_init_drivers(CMD_CTX
);
915 static const struct command_registration flash_config_command_handlers
[] = {
918 .handler
= handle_flash_bank_command
,
919 .mode
= COMMAND_CONFIG
,
920 .usage
= "bank_id driver_name base_address size_bytes "
921 "chip_width_bytes bus_width_bytes target "
922 "[driver_options ...]",
923 .help
= "Define a new bank with the given name, "
924 "using the specified NOR flash driver.",
928 .mode
= COMMAND_CONFIG
,
929 .handler
= handle_flash_init_command
,
930 .help
= "Initialize flash devices.",
935 .handler
= handle_flash_banks_command
,
936 .help
= "Display table with information about flash banks.",
941 .jim_handler
= jim_flash_list
,
942 .help
= "Returns a list of details about the flash banks.",
944 COMMAND_REGISTRATION_DONE
946 static const struct command_registration flash_command_handlers
[] = {
950 .help
= "NOR flash command group",
951 .chain
= flash_config_command_handlers
,
953 COMMAND_REGISTRATION_DONE
956 int flash_register_commands(struct command_context
*cmd_ctx
)
958 return register_commands(cmd_ctx
, NULL
, flash_command_handlers
);