1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
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. *
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. *
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 ***************************************************************************/
32 #include "time_support.h"
34 /* command handlers */
35 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
36 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
37 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
38 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
39 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
40 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
41 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
42 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
44 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
45 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
46 static int flash_write_unlock(target_t *target, image_t *image, uint32_t *written, int erase, bool unlock);
50 extern flash_driver_t lpc2000_flash;
51 extern flash_driver_t lpc288x_flash;
52 extern flash_driver_t lpc2900_flash;
53 extern flash_driver_t cfi_flash;
54 extern flash_driver_t at91sam3_flash;
55 extern flash_driver_t at91sam7_flash;
56 extern flash_driver_t str7x_flash;
57 extern flash_driver_t str9x_flash;
58 extern flash_driver_t aduc702x_flash;
59 extern flash_driver_t stellaris_flash;
60 extern flash_driver_t str9xpec_flash;
61 extern flash_driver_t stm32x_flash;
62 extern flash_driver_t tms470_flash;
63 extern flash_driver_t ecosflash_flash;
64 extern flash_driver_t ocl_flash;
65 extern flash_driver_t pic32mx_flash;
66 extern flash_driver_t avr_flash;
67 extern flash_driver_t faux_flash;
69 flash_driver_t *flash_drivers[] = {
91 flash_bank_t *flash_banks;
92 static command_t *flash_cmd;
94 /* wafer thin wrapper for invoking the flash driver */
95 static int flash_driver_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
99 retval = bank->driver->write(bank, buffer, offset, count);
100 if (retval != ERROR_OK)
102 LOG_ERROR("error writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32 " (%d)",
103 bank->base, offset, retval);
109 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
113 retval = bank->driver->erase(bank, first, last);
114 if (retval != ERROR_OK)
116 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
122 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
126 retval = bank->driver->protect(bank, set, first, last);
127 if (retval != ERROR_OK)
129 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
135 int flash_register_commands(struct command_context_s *cmd_ctx)
137 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
139 register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
143 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
148 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
152 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
153 for (p = flash_banks; p; p = p->next)
155 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
157 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
158 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
159 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
160 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
161 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
162 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
163 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
164 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
165 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
166 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
168 Jim_ListAppendElement(interp, list, elem);
171 Jim_SetResult(interp, list);
176 int flash_init_drivers(struct command_context_s *cmd_ctx)
178 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
182 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
183 "print info about flash bank <num>");
184 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
185 "identify flash bank <num>");
186 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
187 "check erase state of sectors in flash bank <num>");
188 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
189 "check protection state of sectors in flash bank <num>");
190 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
191 "erase sectors at <bank> <first> <last>");
192 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
193 "erase address range <address> <length>");
195 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
196 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
197 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
198 "fill with pattern <address> <halfword_pattern> <count>");
199 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
200 "fill with pattern <address> <byte_pattern> <count>");
202 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
203 "write binary data to <bank> <file> <offset>");
204 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
205 "write_image [erase] [unlock] <file> [offset] [type]");
206 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
207 "set protection of sectors at <bank> <first> <last> <on | off>");
213 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
218 for (p = flash_banks; p; p = p->next)
225 LOG_ERROR("flash bank %d does not exist", num);
229 int flash_get_bank_count(void)
233 for (p = flash_banks; p; p = p->next)
240 flash_bank_t *get_flash_bank_by_num(int num)
242 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
248 retval = p->driver->auto_probe(p);
250 if (retval != ERROR_OK)
252 LOG_ERROR("auto_probe failed %d\n", retval);
258 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
267 return ERROR_COMMAND_SYNTAX_ERROR;
270 if ((target = get_target(args[5])) == NULL)
272 LOG_ERROR("target '%s' not defined", args[5]);
276 for (i = 0; flash_drivers[i]; i++)
278 if (strcmp(args[0], flash_drivers[i]->name) == 0)
282 /* register flash specific commands */
283 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
285 LOG_ERROR("couldn't register '%s' commands", args[0]);
289 c = malloc(sizeof(flash_bank_t));
291 c->driver = flash_drivers[i];
292 c->driver_priv = NULL;
293 c->base = strtoul(args[1], NULL, 0);
294 c->size = strtoul(args[2], NULL, 0);
295 c->chip_width = strtoul(args[3], NULL, 0);
296 c->bus_width = strtoul(args[4], NULL, 0);
301 if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
303 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
308 /* put flash bank in linked list */
312 /* find last flash bank */
313 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
316 c->bank_number = bank_num + 1;
328 /* no matching flash driver found */
331 LOG_ERROR("flash driver '%s' not found", args[0]);
338 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
347 return ERROR_COMMAND_SYNTAX_ERROR;
350 for (p = flash_banks; p; p = p->next, i++)
352 if (i == strtoul(args[0], NULL, 0))
356 /* attempt auto probe */
357 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
360 command_print(cmd_ctx,
361 "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
368 for (j = 0; j < p->num_sectors; j++)
372 if (p->sectors[j].is_protected == 0)
373 protect_state = "not protected";
374 else if (p->sectors[j].is_protected == 1)
375 protect_state = "protected";
377 protect_state = "protection state unknown";
379 command_print(cmd_ctx,
380 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
382 p->sectors[j].offset,
384 p->sectors[j].size >> 10,
388 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
389 retval = p->driver->info(p, buf, sizeof(buf));
390 command_print(cmd_ctx, "%s", buf);
391 if (retval != ERROR_OK)
392 LOG_ERROR("error retrieving flash info (%d)", retval);
399 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
406 return ERROR_COMMAND_SYNTAX_ERROR;
409 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
412 if ((retval = p->driver->probe(p)) == ERROR_OK)
414 command_print(cmd_ctx, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
416 else if (retval == ERROR_FLASH_BANK_INVALID)
418 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
423 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
429 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
435 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
442 return ERROR_COMMAND_SYNTAX_ERROR;
445 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
449 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
451 command_print(cmd_ctx, "successfully checked erase state");
455 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
459 for (j = 0; j < p->num_sectors; j++)
463 if (p->sectors[j].is_erased == 0)
464 erase_state = "not erased";
465 else if (p->sectors[j].is_erased == 1)
466 erase_state = "erased";
468 erase_state = "erase state unknown";
470 command_print(cmd_ctx,
471 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
473 p->sectors[j].offset,
475 p->sectors[j].size >> 10,
483 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
492 target_t *target = get_current_target(cmd_ctx);
496 return ERROR_COMMAND_SYNTAX_ERROR;
499 address = strtoul(args[0], NULL, 0);
500 length = strtoul(args[1], NULL, 0);
503 command_print(cmd_ctx, "Length must be >0");
504 return ERROR_COMMAND_SYNTAX_ERROR;
507 p = get_flash_bank_by_addr(target, address);
513 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
516 duration_start_measure(&duration);
518 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
520 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
524 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
531 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
538 return ERROR_COMMAND_SYNTAX_ERROR;
541 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
544 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
546 command_print(cmd_ctx, "successfully checked protect state");
548 else if (retval == ERROR_FLASH_OPERATION_FAILED)
550 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
554 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
559 return ERROR_COMMAND_SYNTAX_ERROR;
565 static int flash_check_sector_parameters(struct command_context_s *cmd_ctx,
566 uint32_t first, uint32_t last, uint32_t num_sectors)
568 if (!(first <= last)) {
569 command_print(cmd_ctx, "ERROR: "
570 "first sector must be <= last sector");
574 if (!(last <= (num_sectors - 1))) {
575 command_print(cmd_ctx, "ERROR: last sector must be <= %d",
576 (int) num_sectors - 1);
583 static int handle_flash_erase_command(struct command_context_s *cmd_ctx,
584 char *cmd, char **args, int argc)
593 if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
596 flash_bank_t *p = get_flash_bank_by_num(bank_nr);
600 if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
602 if (strcmp(args[2], "last") == 0)
603 last = p->num_sectors - 1;
605 if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
608 if ((retval = flash_check_sector_parameters(cmd_ctx,
609 first, last, p->num_sectors)) != ERROR_OK)
614 duration_start_measure(&duration);
616 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) {
617 if ((retval = duration_stop_measure(&duration,
618 &duration_text)) != ERROR_OK)
620 command_print(cmd_ctx, "erased sectors %i through %i "
621 "on flash bank %i in %s",
622 (int) first, (int) last, (int) bank_nr,
628 return ERROR_COMMAND_SYNTAX_ERROR;
633 static int handle_flash_protect_command(struct command_context_s *cmd_ctx,
634 char *cmd, char **args, int argc)
644 if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
647 flash_bank_t *p = get_flash_bank_by_num(bank_nr);
651 if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
653 if (strcmp(args[2], "last") == 0)
654 last = p->num_sectors - 1;
656 if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
659 if (strcmp(args[3], "on") == 0)
661 else if (strcmp(args[3], "off") == 0)
664 return ERROR_COMMAND_SYNTAX_ERROR;
666 if ((retval = flash_check_sector_parameters(cmd_ctx,
667 first, last, p->num_sectors)) != ERROR_OK)
670 retval = flash_driver_protect(p, set, first, last);
671 if (retval == ERROR_OK) {
672 command_print(cmd_ctx, "%s protection for sectors %i "
673 "through %i on flash bank %i",
674 (set) ? "set" : "cleared", (int) first,
675 (int) last, (int) bank_nr);
679 return ERROR_COMMAND_SYNTAX_ERROR;
684 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
686 target_t *target = get_current_target(cmd_ctx);
694 int retval, retvaltemp;
698 return ERROR_COMMAND_SYNTAX_ERROR;
701 /* flash auto-erase is disabled by default*/
703 bool auto_unlock = false;
707 if (strcmp(args[0], "erase") == 0)
712 command_print(cmd_ctx, "auto erase enabled");
713 } else if (strcmp(args[0], "unlock") == 0)
718 command_print(cmd_ctx, "auto unlock enabled");
727 return ERROR_COMMAND_SYNTAX_ERROR;
732 LOG_ERROR("no target selected");
736 duration_start_measure(&duration);
740 image.base_address_set = 1;
741 image.base_address = strtoul(args[1], NULL, 0);
745 image.base_address_set = 0;
746 image.base_address = 0x0;
749 image.start_address_set = 0;
751 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
752 if (retval != ERROR_OK)
757 retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
758 if (retval != ERROR_OK)
764 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
772 speed = written / 1024.0;
773 speed /= ((float)duration.duration.tv_sec
774 + ((float)duration.duration.tv_usec / 1000000.0));
775 command_print(cmd_ctx,
776 "wrote %" PRIu32 " byte from file %s in %s (%f kb/s)",
777 written, args[0], duration_text, speed);
786 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
788 int err = ERROR_OK, retval;
793 uint8_t readback[1024];
795 uint32_t cur_size = 0;
796 uint32_t chunk_count;
799 target_t *target = get_current_target(cmd_ctx);
805 return ERROR_COMMAND_SYNTAX_ERROR;
808 address = strtoul(args[0], NULL, 0);
809 pattern = strtoul(args[1], NULL, 0);
810 count = strtoul(args[2], NULL, 0);
827 return ERROR_COMMAND_SYNTAX_ERROR;
830 chunk_count = MIN(count, (1024 / wordsize));
834 for (i = 0; i < chunk_count; i++)
836 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
840 for (i = 0; i < chunk_count; i++)
842 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
846 memset(chunk, pattern, chunk_count);
849 LOG_ERROR("BUG: can't happen");
853 duration_start_measure(&duration);
855 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
857 cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
859 bank = get_flash_bank_by_addr(target, address);
864 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
868 err = target_read_buffer(target, address + wrote, cur_size, readback);
873 for (i = 0; i < cur_size; i++)
875 if (readback[i]!=chunk[i])
877 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
878 address + wrote + i, readback[i], chunk[i]);
885 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
892 speed = wrote / 1024.0;
893 speed /= ((float)duration.duration.tv_sec
894 + ((float)duration.duration.tv_usec / 1000000.0));
895 command_print(cmd_ctx,
896 "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 " in %s (%f kb/s)",
897 wrote, address, duration_text, speed);
903 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
914 int retval, retvaltemp;
919 return ERROR_COMMAND_SYNTAX_ERROR;
922 duration_start_measure(&duration);
924 offset = strtoul(args[2], NULL, 0);
925 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
928 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
932 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
937 buffer = malloc(fileio.size);
938 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
941 fileio_close(&fileio);
945 retval = flash_driver_write(p, buffer, offset, buf_cnt);
950 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
952 fileio_close(&fileio);
955 if (retval == ERROR_OK)
957 command_print(cmd_ctx,
958 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32 " in %s (%f kb/s)",
961 strtoul(args[0], NULL, 0),
964 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
968 fileio_close(&fileio);
973 void flash_set_dirty(void)
978 /* set all flash to require erasing */
979 for (c = flash_banks; c; c = c->next)
981 for (i = 0; i < c->num_sectors; i++)
983 c->sectors[i].is_erased = 0;
988 /* lookup flash bank by address */
989 flash_bank_t *get_flash_bank_by_addr(target_t *target, uint32_t addr)
993 /* cycle through bank list */
994 for (c = flash_banks; c; c = c->next)
997 retval = c->driver->auto_probe(c);
999 if (retval != ERROR_OK)
1001 LOG_ERROR("auto_probe failed %d\n", retval);
1004 /* check whether address belongs to this flash bank */
1005 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
1008 LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
1012 /* erase given flash region, selects proper bank according to target and address */
1013 static int flash_iterate_address_range(target_t *target, uint32_t addr, uint32_t length,
1014 int (*callback)(struct flash_bank_s *bank, int first, int last))
1021 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
1022 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
1024 if (c->size == 0 || c->num_sectors == 0)
1026 LOG_ERROR("Bank is invalid");
1027 return ERROR_FLASH_BANK_INVALID;
1032 /* special case, erase whole bank when length is zero */
1033 if (addr != c->base)
1034 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1036 return callback(c, 0, c->num_sectors - 1);
1039 /* check whether it fits */
1040 if (addr + length - 1 > c->base + c->size - 1)
1041 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1045 for (i = 0; i < c->num_sectors; i++)
1047 /* check whether sector overlaps with the given range and is not yet erased */
1048 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
1049 /* if first is not set yet then this is the first sector */
1052 last = i; /* and it is the last one so far in any case */
1056 if (first == -1 || last == -1)
1059 return callback(c, first, last);
1064 int flash_erase_address_range(target_t *target, uint32_t addr, uint32_t length)
1066 return flash_iterate_address_range(target, addr, length, &flash_driver_erase);
1069 static int flash_driver_unprotect(struct flash_bank_s *bank, int first, int last)
1071 return flash_driver_protect(bank, 0, first, last);
1074 static int flash_unlock_address_range(target_t *target, uint32_t addr, uint32_t length)
1076 return flash_iterate_address_range(target, addr, length, &flash_driver_unprotect);
1080 /* write (optional verify) an image to flash memory of the given target */
1081 static int flash_write_unlock(target_t *target, image_t *image, uint32_t *written, int erase, bool unlock)
1083 int retval = ERROR_OK;
1086 uint32_t section_offset;
1098 /* assume all sectors need erasing - stops any problems
1099 * when flash_write is called multiple times */
1104 /* allocate padding array */
1105 padding = malloc(image->num_sections * sizeof(padding));
1107 /* loop until we reach end of the image */
1108 while (section < image->num_sections)
1110 uint32_t buffer_size;
1114 uint32_t run_address = image->sections[section].base_address + section_offset;
1115 uint32_t run_size = image->sections[section].size - section_offset;
1118 if (image->sections[section].size == 0)
1120 LOG_WARNING("empty section %d", section);
1126 /* find the corresponding flash bank */
1127 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1129 section++; /* and skip it */
1134 /* collect consecutive sections which fall into the same bank */
1135 section_first = section;
1136 section_last = section;
1137 padding[section] = 0;
1138 while ((run_address + run_size - 1 < c->base + c->size - 1)
1139 && (section_last + 1 < image->num_sections))
1141 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1143 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1146 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1147 * attempt to rebuild a consecutive buffer for the flash loader */
1148 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1149 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1151 padding[section_last] = pad_bytes;
1152 run_size += image->sections[++section_last].size;
1153 run_size += pad_bytes;
1154 padding[section_last] = 0;
1156 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
1159 /* fit the run into bank constraints */
1160 if (run_address + run_size - 1 > c->base + c->size - 1)
1162 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1163 (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
1164 run_size = c->base + c->size - run_address;
1167 /* allocate buffer */
1168 buffer = malloc(run_size);
1171 /* read sections to the buffer */
1172 while (buffer_size < run_size)
1176 size_read = run_size - buffer_size;
1177 if (size_read > image->sections[section].size - section_offset)
1178 size_read = image->sections[section].size - section_offset;
1180 if ((retval = image_read_section(image, section, section_offset,
1181 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1188 /* see if we need to pad the section */
1189 while (padding[section]--)
1190 (buffer + buffer_size)[size_read++] = 0xff;
1192 buffer_size += size_read;
1193 section_offset += size_read;
1195 if (section_offset >= image->sections[section].size)
1206 retval = flash_unlock_address_range(target, run_address, run_size);
1208 if (retval == ERROR_OK)
1212 /* calculate and erase sectors */
1213 retval = flash_erase_address_range(target, run_address, run_size);
1217 if (retval == ERROR_OK)
1219 /* write flash sectors */
1220 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1225 if (retval != ERROR_OK)
1228 return retval; /* abort operation */
1231 if (written != NULL)
1232 *written += run_size; /* add run size to total written counter */
1240 int flash_write(target_t *target, image_t *image, uint32_t *written, int erase)
1242 return flash_write_unlock(target, image, written, erase, false);
1245 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1247 target_t *target = bank->target;
1248 uint8_t buffer[1024];
1249 int buffer_size = sizeof(buffer);
1253 if (bank->target->state != TARGET_HALTED)
1255 LOG_ERROR("Target not halted");
1256 return ERROR_TARGET_NOT_HALTED;
1259 for (i = 0; i < bank->num_sectors; i++)
1262 bank->sectors[i].is_erased = 1;
1264 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1268 chunk = buffer_size;
1269 if (chunk > (j - bank->sectors[i].size))
1271 chunk = (j - bank->sectors[i].size);
1274 retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1275 if (retval != ERROR_OK)
1278 for (nBytes = 0; nBytes < chunk; nBytes++)
1280 if (buffer[nBytes] != 0xFF)
1282 bank->sectors[i].is_erased = 0;
1292 int default_flash_blank_check(struct flash_bank_s *bank)
1294 target_t *target = bank->target;
1300 if (bank->target->state != TARGET_HALTED)
1302 LOG_ERROR("Target not halted");
1303 return ERROR_TARGET_NOT_HALTED;
1306 for (i = 0; i < bank->num_sectors; i++)
1308 uint32_t address = bank->base + bank->sectors[i].offset;
1309 uint32_t size = bank->sectors[i].size;
1311 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1317 bank->sectors[i].is_erased = 1;
1319 bank->sectors[i].is_erased = 0;
1325 LOG_USER("Running slow fallback erase check - add working memory");
1326 return default_flash_mem_blank_check(bank);