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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 int retval = get_flash_bank_by_name(name, bank);
39 if (retval != ERROR_OK)
45 COMMAND_PARSE_NUMBER(uint, name, bank_num);
47 return get_flash_bank_by_num(bank_num, bank);
50 COMMAND_HANDLER(handle_flash_info_command)
57 return ERROR_COMMAND_SYNTAX_ERROR;
59 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
60 if (retval != ERROR_OK)
66 /* attempt auto probe */
67 retval = p->driver->auto_probe(p);
68 if (retval != ERROR_OK)
71 /* We must query the hardware to avoid printing stale information! */
72 retval = p->driver->protect_check(p);
73 if (retval != ERROR_OK)
76 command_print(CMD_CTX,
77 "#%" PRIu32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32
78 ", buswidth %i, chipwidth %i",
85 for (j = 0; j < p->num_sectors; j++) {
88 if (p->sectors[j].is_protected == 0)
89 protect_state = "not protected";
90 else if (p->sectors[j].is_protected == 1)
91 protect_state = "protected";
93 protect_state = "protection state unknown";
95 command_print(CMD_CTX,
96 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
100 p->sectors[j].size >> 10,
104 if (p->driver->info != NULL) {
105 retval = p->driver->info(p, buf, sizeof(buf));
106 if (retval == ERROR_OK)
107 command_print(CMD_CTX, "%s", buf);
109 LOG_ERROR("error retrieving flash info");
116 COMMAND_HANDLER(handle_flash_probe_command)
118 struct flash_bank *p;
122 return ERROR_COMMAND_SYNTAX_ERROR;
124 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
125 if (retval != ERROR_OK)
129 retval = p->driver->probe(p);
130 if (retval == ERROR_OK)
131 command_print(CMD_CTX,
132 "flash '%s' found at 0x%8.8" PRIx32,
136 command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
143 COMMAND_HANDLER(handle_flash_erase_check_command)
146 return ERROR_COMMAND_SYNTAX_ERROR;
148 struct flash_bank *p;
149 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
150 if (ERROR_OK != retval)
154 retval = p->driver->erase_check(p);
155 if (retval == ERROR_OK)
156 command_print(CMD_CTX, "successfully checked erase state");
158 command_print(CMD_CTX,
159 "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
164 for (j = 0; j < p->num_sectors; j++) {
167 if (p->sectors[j].is_erased == 0)
168 erase_state = "not erased";
169 else if (p->sectors[j].is_erased == 1)
170 erase_state = "erased";
172 erase_state = "erase state unknown";
174 command_print(CMD_CTX,
175 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
177 p->sectors[j].offset,
179 p->sectors[j].size >> 10,
186 COMMAND_HANDLER(handle_flash_erase_address_command)
188 struct flash_bank *p;
189 int retval = ERROR_OK;
193 bool do_unlock = false;
194 struct target *target = get_current_target(CMD_CTX);
196 while (CMD_ARGC >= 3) {
197 /* Optionally pad out the address range to block/sector
198 * boundaries. We can't know if there's data in that part
199 * of the flash; only do padding if we're told to.
201 if (strcmp("pad", CMD_ARGV[0]) == 0)
203 else if (strcmp("unlock", CMD_ARGV[0]) == 0)
206 return ERROR_COMMAND_SYNTAX_ERROR;
211 return ERROR_COMMAND_SYNTAX_ERROR;
213 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
214 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
217 command_print(CMD_CTX, "Length must be >0");
218 return ERROR_COMMAND_SYNTAX_ERROR;
221 retval = get_flash_bank_by_addr(target, address, true, &p);
222 if (retval != ERROR_OK)
225 /* We can't know if we did a resume + halt, in which case we no longer know the erased state
229 struct duration bench;
230 duration_start(&bench);
233 retval = flash_unlock_address_range(target, address, length);
235 if (retval == ERROR_OK)
236 retval = flash_erase_address_range(target, do_pad, address, length);
238 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
239 command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
240 " in %fs (%0.3f KiB/s)", address, length,
241 duration_elapsed(&bench), duration_kbps(&bench, length));
247 static int flash_check_sector_parameters(struct command_context *cmd_ctx,
248 uint32_t first, uint32_t last, uint32_t num_sectors)
250 if (!(first <= last)) {
251 command_print(cmd_ctx, "ERROR: "
252 "first sector must be <= last sector");
256 if (!(last <= (num_sectors - 1))) {
257 command_print(cmd_ctx, "ERROR: last sector must be <= %d",
258 (int) num_sectors - 1);
265 COMMAND_HANDLER(handle_flash_erase_command)
268 return ERROR_COMMAND_SYNTAX_ERROR;
273 struct flash_bank *p;
276 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
277 if (retval != ERROR_OK)
280 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
281 if (strcmp(CMD_ARGV[2], "last") == 0)
282 last = p->num_sectors - 1;
284 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
286 retval = flash_check_sector_parameters(CMD_CTX, first, last, p->num_sectors);
287 if (retval != ERROR_OK)
290 struct duration bench;
291 duration_start(&bench);
293 retval = flash_driver_erase(p, first, last);
295 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
296 command_print(CMD_CTX, "erased sectors %" PRIu32 " "
297 "through %" PRIu32 " on flash bank %" PRIu32 " "
298 "in %fs", first, last, p->bank_number, duration_elapsed(&bench));
304 COMMAND_HANDLER(handle_flash_protect_command)
307 return ERROR_COMMAND_SYNTAX_ERROR;
312 struct flash_bank *p;
315 retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
316 if (retval != ERROR_OK)
319 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
320 if (strcmp(CMD_ARGV[2], "last") == 0)
321 last = p->num_sectors - 1;
323 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
326 COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
328 retval = flash_check_sector_parameters(CMD_CTX, first, last, p->num_sectors);
329 if (retval != ERROR_OK)
332 retval = flash_driver_protect(p, set, first, last);
333 if (retval == ERROR_OK) {
334 command_print(CMD_CTX, "%s protection for sectors %i "
335 "through %i on flash bank %" PRIu32 "",
336 (set) ? "set" : "cleared", (int) first,
337 (int) last, p->bank_number);
343 COMMAND_HANDLER(handle_flash_write_image_command)
345 struct target *target = get_current_target(CMD_CTX);
353 return ERROR_COMMAND_SYNTAX_ERROR;
355 /* flash auto-erase is disabled by default*/
357 bool auto_unlock = false;
360 if (strcmp(CMD_ARGV[0], "erase") == 0) {
364 command_print(CMD_CTX, "auto erase enabled");
365 } else if (strcmp(CMD_ARGV[0], "unlock") == 0) {
369 command_print(CMD_CTX, "auto unlock enabled");
375 return ERROR_COMMAND_SYNTAX_ERROR;
378 LOG_ERROR("no target selected");
382 struct duration bench;
383 duration_start(&bench);
386 image.base_address_set = 1;
387 COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
389 image.base_address_set = 0;
390 image.base_address = 0x0;
393 image.start_address_set = 0;
395 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
396 if (retval != ERROR_OK)
399 retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
400 if (retval != ERROR_OK) {
405 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
406 command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
407 "in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
408 duration_elapsed(&bench), duration_kbps(&bench, written));
416 COMMAND_HANDLER(handle_flash_fill_command)
423 uint32_t cur_size = 0;
424 uint32_t chunk_count;
425 struct target *target = get_current_target(CMD_CTX);
428 int retval = ERROR_OK;
430 static size_t const chunksize = 1024;
431 uint8_t *chunk = NULL, *readback = NULL;
434 retval = ERROR_COMMAND_SYNTAX_ERROR;
438 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
439 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
440 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
442 chunk = malloc(chunksize);
446 readback = malloc(chunksize);
447 if (readback == NULL) {
455 switch (CMD_NAME[4]) {
466 retval = ERROR_COMMAND_SYNTAX_ERROR;
470 chunk_count = MIN(count, (chunksize / wordsize));
473 for (i = 0; i < chunk_count; i++)
474 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
477 for (i = 0; i < chunk_count; i++)
478 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
481 memset(chunk, pattern, chunk_count);
484 LOG_ERROR("BUG: can't happen");
488 struct duration bench;
489 duration_start(&bench);
491 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size) {
492 struct flash_bank *bank;
494 retval = get_flash_bank_by_addr(target, address, true, &bank);
495 if (retval != ERROR_OK)
498 cur_size = MIN((count * wordsize - wrote), chunksize);
499 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
500 if (err != ERROR_OK) {
505 err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size);
506 if (err != ERROR_OK) {
511 for (i = 0; i < cur_size; i++) {
512 if (readback[i] != chunk[i]) {
514 "Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
524 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
525 command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
526 " in %fs (%0.3f KiB/s)", wrote, address,
527 duration_elapsed(&bench), duration_kbps(&bench, wrote));
537 COMMAND_HANDLER(handle_flash_write_bank_command)
541 struct fileio fileio;
544 return ERROR_COMMAND_SYNTAX_ERROR;
546 struct duration bench;
547 duration_start(&bench);
549 struct flash_bank *p;
550 int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
551 if (ERROR_OK != retval)
554 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
556 if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
560 retval = fileio_size(&fileio, &filesize);
561 if (retval != ERROR_OK) {
562 fileio_close(&fileio);
566 buffer = malloc(filesize);
567 if (buffer == NULL) {
568 fileio_close(&fileio);
569 LOG_ERROR("Out of memory");
573 if (fileio_read(&fileio, filesize, buffer, &buf_cnt) != ERROR_OK) {
575 fileio_close(&fileio);
579 retval = flash_driver_write(p, buffer, offset, buf_cnt);
584 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
585 command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
586 " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
587 (long)filesize, CMD_ARGV[1], p->bank_number, offset,
588 duration_elapsed(&bench), duration_kbps(&bench, filesize));
591 fileio_close(&fileio);
596 void flash_set_dirty(void)
598 struct flash_bank *c;
601 /* set all flash to require erasing */
602 for (c = flash_bank_list(); c; c = c->next) {
603 for (i = 0; i < c->num_sectors; i++)
604 c->sectors[i].is_erased = 0;
608 static const struct command_registration flash_exec_command_handlers[] = {
611 .handler = handle_flash_probe_command,
612 .mode = COMMAND_EXEC,
614 .help = "Identify a flash bank.",
618 .handler = handle_flash_info_command,
619 .mode = COMMAND_EXEC,
621 .help = "Print information about a flash bank.",
624 .name = "erase_check",
625 .handler = handle_flash_erase_check_command,
626 .mode = COMMAND_EXEC,
628 .help = "Check erase state of all blocks in a "
632 .name = "erase_sector",
633 .handler = handle_flash_erase_command,
634 .mode = COMMAND_EXEC,
635 .usage = "bank_id first_sector_num last_sector_num",
636 .help = "Erase a range of sectors in a flash bank.",
639 .name = "erase_address",
640 .handler = handle_flash_erase_address_command,
641 .mode = COMMAND_EXEC,
642 .usage = "['pad'] ['unlock'] address length",
643 .help = "Erase flash sectors starting at address and "
644 "continuing for length bytes. If 'pad' is specified, "
645 "data outside that range may also be erased: the start "
646 "address may be decreased, and length increased, so "
647 "that all of the first and last sectors are erased. "
648 "If 'unlock' is specified, then the flash is unprotected "
654 .handler = handle_flash_fill_command,
655 .mode = COMMAND_EXEC,
656 .usage = "address value n",
657 .help = "Fill n words with 32-bit value, starting at "
658 "word address. (No autoerase.)",
662 .handler = handle_flash_fill_command,
663 .mode = COMMAND_EXEC,
664 .usage = "address value n",
665 .help = "Fill n halfwords with 16-bit value, starting at "
666 "word address. (No autoerase.)",
670 .handler = handle_flash_fill_command,
671 .mode = COMMAND_EXEC,
672 .usage = "address value n",
673 .help = "Fill n bytes with 8-bit value, starting at "
674 "word address. (No autoerase.)",
677 .name = "write_bank",
678 .handler = handle_flash_write_bank_command,
679 .mode = COMMAND_EXEC,
680 .usage = "bank_id filename offset",
681 .help = "Write binary data from file to flash bank, "
682 "starting at specified byte offset from the "
683 "beginning of the bank.",
686 .name = "write_image",
687 .handler = handle_flash_write_image_command,
688 .mode = COMMAND_EXEC,
689 .usage = "[erase] [unlock] filename [offset [file_type]]",
690 .help = "Write an image to flash. Optionally first unprotect "
691 "and/or erase the region to be used. Allow optional "
692 "offset from beginning of bank (defaults to zero)",
696 .handler = handle_flash_protect_command,
697 .mode = COMMAND_EXEC,
698 .usage = "bank_id first_sector [last_sector|'last'] "
700 .help = "Turn protection on or off for a range of sectors "
701 "in a given flash bank.",
703 COMMAND_REGISTRATION_DONE
706 static int flash_init_drivers(struct command_context *cmd_ctx)
708 if (!flash_bank_list())
711 struct command *parent = command_find_in_context(cmd_ctx, "flash");
712 return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
716 COMMAND_HANDLER(handle_flash_bank_command)
719 LOG_ERROR("usage: flash bank <name> <driver> "
720 "<base> <size> <chip_width> <bus_width> <target>");
721 return ERROR_COMMAND_SYNTAX_ERROR;
723 /* save bank name and advance arguments for compatibility */
724 const char *bank_name = *CMD_ARGV++;
727 struct target *target = get_target(CMD_ARGV[5]);
728 if (target == NULL) {
729 LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
733 const char *driver_name = CMD_ARGV[0];
734 struct flash_driver *driver = flash_driver_find_by_name(driver_name);
735 if (NULL == driver) {
736 /* no matching flash driver found */
737 LOG_ERROR("flash driver '%s' not found", driver_name);
741 /* check the flash bank name is unique */
742 if (get_flash_bank_by_name_noprobe(bank_name) != NULL) {
743 /* flash bank name already exists */
744 LOG_ERROR("flash bank name '%s' already exists", bank_name);
748 /* register flash specific commands */
749 if (NULL != driver->commands) {
750 int retval = register_commands(CMD_CTX, NULL,
752 if (ERROR_OK != retval) {
753 LOG_ERROR("couldn't register '%s' commands",
759 struct flash_bank *c = malloc(sizeof(*c));
760 c->name = strdup(bank_name);
763 c->driver_priv = NULL;
764 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
765 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
766 COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
767 COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
773 retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
774 if (ERROR_OK != retval) {
775 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 "Usage %s",
776 driver_name, c->base, driver->usage);
781 if (driver->usage == NULL)
782 LOG_DEBUG("'%s' driver usage field missing", driver_name);
789 COMMAND_HANDLER(handle_flash_banks_command)
792 return ERROR_COMMAND_SYNTAX_ERROR;
795 for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++) {
796 LOG_USER("#%" PRIu32 " : %s (%s) at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
797 "buswidth %u, chipwidth %u", p->bank_number,
798 p->name, p->driver->name, p->base, p->size,
799 p->bus_width, p->chip_width);
804 static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
807 Jim_WrongNumArgs(interp, 1, argv,
808 "no arguments to 'flash list' command");
812 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
814 for (struct flash_bank *p = flash_bank_list(); p; p = p->next) {
815 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
817 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
818 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
819 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
820 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
821 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
822 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
823 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
824 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
825 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
826 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
828 Jim_ListAppendElement(interp, list, elem);
831 Jim_SetResult(interp, list);
836 COMMAND_HANDLER(handle_flash_init_command)
839 return ERROR_COMMAND_SYNTAX_ERROR;
841 static bool flash_initialized;
842 if (flash_initialized) {
843 LOG_INFO("'flash init' has already been called");
846 flash_initialized = true;
848 LOG_DEBUG("Initializing flash devices...");
849 return flash_init_drivers(CMD_CTX);
852 static const struct command_registration flash_config_command_handlers[] = {
855 .handler = handle_flash_bank_command,
856 .mode = COMMAND_CONFIG,
857 .usage = "bank_id driver_name base_address size_bytes "
858 "chip_width_bytes bus_width_bytes target "
859 "[driver_options ...]",
860 .help = "Define a new bank with the given name, "
861 "using the specified NOR flash driver.",
865 .mode = COMMAND_CONFIG,
866 .handler = handle_flash_init_command,
867 .help = "Initialize flash devices.",
872 .handler = handle_flash_banks_command,
873 .help = "Display table with information about flash banks.",
878 .jim_handler = jim_flash_list,
879 .help = "Returns a list of details about the flash banks.",
881 COMMAND_REGISTRATION_DONE
883 static const struct command_registration flash_command_handlers[] = {
887 .help = "NOR flash command group",
888 .chain = flash_config_command_handlers,
890 COMMAND_REGISTRATION_DONE
893 int flash_register_commands(struct command_context *cmd_ctx)
895 return register_commands(cmd_ctx, NULL, flash_command_handlers);