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);
49 extern flash_driver_t lpc2000_flash;
50 extern flash_driver_t lpc288x_flash;
51 extern flash_driver_t lpc2900_flash;
52 extern flash_driver_t cfi_flash;
53 extern flash_driver_t at91sam3_flash;
54 extern flash_driver_t at91sam7_flash;
55 extern flash_driver_t str7x_flash;
56 extern flash_driver_t str9x_flash;
57 extern flash_driver_t aduc702x_flash;
58 extern flash_driver_t stellaris_flash;
59 extern flash_driver_t str9xpec_flash;
60 extern flash_driver_t stm32x_flash;
61 extern flash_driver_t tms470_flash;
62 extern flash_driver_t ecosflash_flash;
63 extern flash_driver_t ocl_flash;
64 extern flash_driver_t pic32mx_flash;
65 extern flash_driver_t avr_flash;
67 flash_driver_t *flash_drivers[] = {
88 flash_bank_t *flash_banks;
89 static command_t *flash_cmd;
91 /* wafer thin wrapper for invoking the flash driver */
92 static int flash_driver_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
96 retval = bank->driver->write(bank, buffer, offset, count);
97 if (retval != ERROR_OK)
99 LOG_ERROR("error writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32 " (%d)",
100 bank->base, offset, retval);
106 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
110 retval = bank->driver->erase(bank, first, last);
111 if (retval != ERROR_OK)
113 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
119 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
123 retval = bank->driver->protect(bank, set, first, last);
124 if (retval != ERROR_OK)
126 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
132 int flash_register_commands(struct command_context_s *cmd_ctx)
134 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
136 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 ...]");
140 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
145 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
149 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
150 for (p = flash_banks; p; p = p->next)
152 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
154 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
155 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
156 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
157 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
158 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
159 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
160 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
161 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
162 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
163 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
165 Jim_ListAppendElement(interp, list, elem);
168 Jim_SetResult(interp, list);
173 int flash_init_drivers(struct command_context_s *cmd_ctx)
175 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
179 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
180 "print info about flash bank <num>");
181 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
182 "identify flash bank <num>");
183 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
184 "check erase state of sectors in flash bank <num>");
185 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
186 "check protection state of sectors in flash bank <num>");
187 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
188 "erase sectors at <bank> <first> <last>");
189 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
190 "erase address range <address> <length>");
192 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
193 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
194 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
195 "fill with pattern <address> <halfword_pattern> <count>");
196 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
197 "fill with pattern <address> <byte_pattern> <count>");
199 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
200 "write binary data to <bank> <file> <offset>");
201 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
202 "write_image [erase] <file> [offset] [type]");
203 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
204 "set protection of sectors at <bank> <first> <last> <on | off>");
210 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
215 for (p = flash_banks; p; p = p->next)
222 LOG_ERROR("flash bank %d does not exist", num);
226 int flash_get_bank_count(void)
230 for (p = flash_banks; p; p = p->next)
237 flash_bank_t *get_flash_bank_by_num(int num)
239 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
245 retval = p->driver->auto_probe(p);
247 if (retval != ERROR_OK)
249 LOG_ERROR("auto_probe failed %d\n", retval);
255 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
264 return ERROR_COMMAND_SYNTAX_ERROR;
267 if ((target = get_target(args[5])) == NULL)
269 LOG_ERROR("target '%s' not defined", args[5]);
273 for (i = 0; flash_drivers[i]; i++)
275 if (strcmp(args[0], flash_drivers[i]->name) == 0)
279 /* register flash specific commands */
280 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
282 LOG_ERROR("couldn't register '%s' commands", args[0]);
286 c = malloc(sizeof(flash_bank_t));
288 c->driver = flash_drivers[i];
289 c->driver_priv = NULL;
290 c->base = strtoul(args[1], NULL, 0);
291 c->size = strtoul(args[2], NULL, 0);
292 c->chip_width = strtoul(args[3], NULL, 0);
293 c->bus_width = strtoul(args[4], NULL, 0);
298 if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
300 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
305 /* put flash bank in linked list */
309 /* find last flash bank */
310 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
313 c->bank_number = bank_num + 1;
325 /* no matching flash driver found */
328 LOG_ERROR("flash driver '%s' not found", args[0]);
335 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
344 return ERROR_COMMAND_SYNTAX_ERROR;
347 for (p = flash_banks; p; p = p->next, i++)
349 if (i == strtoul(args[0], NULL, 0))
353 /* attempt auto probe */
354 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
357 command_print(cmd_ctx,
358 "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
365 for (j = 0; j < p->num_sectors; j++)
369 if (p->sectors[j].is_protected == 0)
370 protect_state = "not protected";
371 else if (p->sectors[j].is_protected == 1)
372 protect_state = "protected";
374 protect_state = "protection state unknown";
376 command_print(cmd_ctx,
377 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
379 p->sectors[j].offset,
381 p->sectors[j].size >> 10,
385 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
386 retval = p->driver->info(p, buf, sizeof(buf));
387 command_print(cmd_ctx, "%s", buf);
388 if (retval != ERROR_OK)
389 LOG_ERROR("error retrieving flash info (%d)", retval);
396 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
403 return ERROR_COMMAND_SYNTAX_ERROR;
406 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
409 if ((retval = p->driver->probe(p)) == ERROR_OK)
411 command_print(cmd_ctx, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
413 else if (retval == ERROR_FLASH_BANK_INVALID)
415 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
420 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
426 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
432 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
439 return ERROR_COMMAND_SYNTAX_ERROR;
442 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
446 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
448 command_print(cmd_ctx, "successfully checked erase state");
452 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
456 for (j = 0; j < p->num_sectors; j++)
460 if (p->sectors[j].is_erased == 0)
461 erase_state = "not erased";
462 else if (p->sectors[j].is_erased == 1)
463 erase_state = "erased";
465 erase_state = "erase state unknown";
467 command_print(cmd_ctx,
468 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
470 p->sectors[j].offset,
472 p->sectors[j].size >> 10,
480 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
489 target_t *target = get_current_target(cmd_ctx);
493 return ERROR_COMMAND_SYNTAX_ERROR;
496 address = strtoul(args[0], NULL, 0);
497 length = strtoul(args[1], NULL, 0);
500 command_print(cmd_ctx, "Length must be >0");
501 return ERROR_COMMAND_SYNTAX_ERROR;
504 p = get_flash_bank_by_addr(target, address);
510 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
513 duration_start_measure(&duration);
515 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
517 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
521 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
528 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
535 return ERROR_COMMAND_SYNTAX_ERROR;
538 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
541 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
543 command_print(cmd_ctx, "successfully checked protect state");
545 else if (retval == ERROR_FLASH_OPERATION_FAILED)
547 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
551 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
556 return ERROR_COMMAND_SYNTAX_ERROR;
562 static int flash_check_sector_parameters(struct command_context_s *cmd_ctx,
563 uint32_t first, uint32_t last, uint32_t num_sectors)
565 if (!(first <= last)) {
566 command_print(cmd_ctx, "ERROR: "
567 "first sector must be <= last sector");
571 if (!(last <= (num_sectors - 1))) {
572 command_print(cmd_ctx, "ERROR: "
573 "last sector must be <= %d", num_sectors - 1);
580 static int handle_flash_erase_command(struct command_context_s *cmd_ctx,
581 char *cmd, char **args, int argc)
590 if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
593 flash_bank_t *p = get_flash_bank_by_num(bank_nr);
597 if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
599 if (strcmp(args[2], "last") == 0)
600 last = p->num_sectors - 1;
602 if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
605 if ((retval = flash_check_sector_parameters(cmd_ctx,
606 first, last, p->num_sectors)) != ERROR_OK)
611 duration_start_measure(&duration);
613 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) {
614 if ((retval = duration_stop_measure(&duration,
615 &duration_text)) != ERROR_OK)
617 command_print(cmd_ctx, "erased sectors %i through %i "
618 "on flash bank %i in %s",
619 first, last, bank_nr, duration_text);
624 return ERROR_COMMAND_SYNTAX_ERROR;
629 static int handle_flash_protect_command(struct command_context_s *cmd_ctx,
630 char *cmd, char **args, int argc)
640 if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
643 flash_bank_t *p = get_flash_bank_by_num(bank_nr);
647 if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
649 if (strcmp(args[2], "last") == 0)
650 last = p->num_sectors - 1;
652 if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
655 if (strcmp(args[3], "on") == 0)
657 else if (strcmp(args[3], "off") == 0)
660 return ERROR_COMMAND_SYNTAX_ERROR;
662 if ((retval = flash_check_sector_parameters(cmd_ctx,
663 first, last, p->num_sectors)) != ERROR_OK)
666 retval = flash_driver_protect(p, set, first, last);
667 if (retval == ERROR_OK) {
668 command_print(cmd_ctx, "%s protection for sectors %i "
669 "through %i on flash bank %i",
670 (set) ? "set" : "cleared", first,
675 return ERROR_COMMAND_SYNTAX_ERROR;
680 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
682 target_t *target = get_current_target(cmd_ctx);
690 int retval, retvaltemp;
694 return ERROR_COMMAND_SYNTAX_ERROR;
697 /* flash auto-erase is disabled by default*/
700 if (strcmp(args[0], "erase") == 0)
705 command_print(cmd_ctx, "auto erase enabled");
710 return ERROR_COMMAND_SYNTAX_ERROR;
715 LOG_ERROR("no target selected");
719 duration_start_measure(&duration);
723 image.base_address_set = 1;
724 image.base_address = strtoul(args[1], NULL, 0);
728 image.base_address_set = 0;
729 image.base_address = 0x0;
732 image.start_address_set = 0;
734 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
735 if (retval != ERROR_OK)
740 retval = flash_write(target, &image, &written, auto_erase);
741 if (retval != ERROR_OK)
747 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
755 speed = written / 1024.0;
756 speed /= ((float)duration.duration.tv_sec
757 + ((float)duration.duration.tv_usec / 1000000.0));
758 command_print(cmd_ctx,
759 "wrote %" PRIu32 " byte from file %s in %s (%f kb/s)",
760 written, args[0], duration_text, speed);
769 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
771 int err = ERROR_OK, retval;
776 uint8_t readback[1024];
778 uint32_t cur_size = 0;
779 uint32_t chunk_count;
782 target_t *target = get_current_target(cmd_ctx);
788 return ERROR_COMMAND_SYNTAX_ERROR;
791 address = strtoul(args[0], NULL, 0);
792 pattern = strtoul(args[1], NULL, 0);
793 count = strtoul(args[2], NULL, 0);
810 return ERROR_COMMAND_SYNTAX_ERROR;
813 chunk_count = MIN(count, (1024 / wordsize));
817 for (i = 0; i < chunk_count; i++)
819 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
823 for (i = 0; i < chunk_count; i++)
825 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
829 memset(chunk, pattern, chunk_count);
832 LOG_ERROR("BUG: can't happen");
836 duration_start_measure(&duration);
838 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
840 cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
842 bank = get_flash_bank_by_addr(target, address);
847 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
851 err = target_read_buffer(target, address + wrote, cur_size, readback);
856 for (i = 0; i < cur_size; i++)
858 if (readback[i]!=chunk[i])
860 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
861 address + wrote + i, readback[i], chunk[i]);
868 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
875 speed = wrote / 1024.0;
876 speed /= ((float)duration.duration.tv_sec
877 + ((float)duration.duration.tv_usec / 1000000.0));
878 command_print(cmd_ctx,
879 "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 " in %s (%f kb/s)",
880 wrote, address, duration_text, speed);
886 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
897 int retval, retvaltemp;
902 return ERROR_COMMAND_SYNTAX_ERROR;
905 duration_start_measure(&duration);
907 offset = strtoul(args[2], NULL, 0);
908 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
911 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
915 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
920 buffer = malloc(fileio.size);
921 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
924 fileio_close(&fileio);
928 retval = flash_driver_write(p, buffer, offset, buf_cnt);
933 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
935 fileio_close(&fileio);
938 if (retval == ERROR_OK)
940 command_print(cmd_ctx,
941 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32 " in %s (%f kb/s)",
944 strtoul(args[0], NULL, 0),
947 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
951 fileio_close(&fileio);
956 void flash_set_dirty(void)
961 /* set all flash to require erasing */
962 for (c = flash_banks; c; c = c->next)
964 for (i = 0; i < c->num_sectors; i++)
966 c->sectors[i].is_erased = 0;
971 /* lookup flash bank by address */
972 flash_bank_t *get_flash_bank_by_addr(target_t *target, uint32_t addr)
976 /* cycle through bank list */
977 for (c = flash_banks; c; c = c->next)
980 retval = c->driver->auto_probe(c);
982 if (retval != ERROR_OK)
984 LOG_ERROR("auto_probe failed %d\n", retval);
987 /* check whether address belongs to this flash bank */
988 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
991 LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
995 /* erase given flash region, selects proper bank according to target and address */
996 int flash_erase_address_range(target_t *target, uint32_t addr, uint32_t length)
1003 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
1004 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
1006 if (c->size == 0 || c->num_sectors == 0)
1008 LOG_ERROR("Bank is invalid");
1009 return ERROR_FLASH_BANK_INVALID;
1014 /* special case, erase whole bank when length is zero */
1015 if (addr != c->base)
1016 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1018 return flash_driver_erase(c, 0, c->num_sectors - 1);
1021 /* check whether it fits */
1022 if (addr + length - 1 > c->base + c->size - 1)
1023 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1027 for (i = 0; i < c->num_sectors; i++)
1029 /* check whether sector overlaps with the given range and is not yet erased */
1030 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
1031 /* if first is not set yet then this is the first sector */
1034 last = i; /* and it is the last one so far in any case */
1038 if (first == -1 || last == -1)
1041 return flash_driver_erase(c, first, last);
1044 /* write (optional verify) an image to flash memory of the given target */
1045 int flash_write(target_t *target, image_t *image, uint32_t *written, int erase)
1047 int retval = ERROR_OK;
1050 uint32_t section_offset;
1062 /* assume all sectors need erasing - stops any problems
1063 * when flash_write is called multiple times */
1068 /* allocate padding array */
1069 padding = malloc(image->num_sections * sizeof(padding));
1071 /* loop until we reach end of the image */
1072 while (section < image->num_sections)
1074 uint32_t buffer_size;
1078 uint32_t run_address = image->sections[section].base_address + section_offset;
1079 uint32_t run_size = image->sections[section].size - section_offset;
1082 if (image->sections[section].size == 0)
1084 LOG_WARNING("empty section %d", section);
1090 /* find the corresponding flash bank */
1091 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1093 section++; /* and skip it */
1098 /* collect consecutive sections which fall into the same bank */
1099 section_first = section;
1100 section_last = section;
1101 padding[section] = 0;
1102 while ((run_address + run_size - 1 < c->base + c->size - 1)
1103 && (section_last + 1 < image->num_sections))
1105 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1107 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1110 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1111 * attempt to rebuild a consecutive buffer for the flash loader */
1112 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1113 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1115 padding[section_last] = pad_bytes;
1116 run_size += image->sections[++section_last].size;
1117 run_size += pad_bytes;
1118 padding[section_last] = 0;
1120 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
1123 /* fit the run into bank constraints */
1124 if (run_address + run_size - 1 > c->base + c->size - 1)
1126 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1127 (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
1128 run_size = c->base + c->size - run_address;
1131 /* allocate buffer */
1132 buffer = malloc(run_size);
1135 /* read sections to the buffer */
1136 while (buffer_size < run_size)
1140 size_read = run_size - buffer_size;
1141 if (size_read > image->sections[section].size - section_offset)
1142 size_read = image->sections[section].size - section_offset;
1144 if ((retval = image_read_section(image, section, section_offset,
1145 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1152 /* see if we need to pad the section */
1153 while (padding[section]--)
1154 (buffer + buffer_size)[size_read++] = 0xff;
1156 buffer_size += size_read;
1157 section_offset += size_read;
1159 if (section_offset >= image->sections[section].size)
1170 /* calculate and erase sectors */
1171 retval = flash_erase_address_range(target, run_address, run_size);
1174 if (retval == ERROR_OK)
1176 /* write flash sectors */
1177 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1182 if (retval != ERROR_OK)
1185 return retval; /* abort operation */
1188 if (written != NULL)
1189 *written += run_size; /* add run size to total written counter */
1197 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1199 target_t *target = bank->target;
1200 uint8_t buffer[1024];
1201 int buffer_size = sizeof(buffer);
1205 if (bank->target->state != TARGET_HALTED)
1207 LOG_ERROR("Target not halted");
1208 return ERROR_TARGET_NOT_HALTED;
1211 for (i = 0; i < bank->num_sectors; i++)
1214 bank->sectors[i].is_erased = 1;
1216 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1220 chunk = buffer_size;
1221 if (chunk > (j - bank->sectors[i].size))
1223 chunk = (j - bank->sectors[i].size);
1226 retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1227 if (retval != ERROR_OK)
1230 for (nBytes = 0; nBytes < chunk; nBytes++)
1232 if (buffer[nBytes] != 0xFF)
1234 bank->sectors[i].is_erased = 0;
1244 int default_flash_blank_check(struct flash_bank_s *bank)
1246 target_t *target = bank->target;
1252 if (bank->target->state != TARGET_HALTED)
1254 LOG_ERROR("Target not halted");
1255 return ERROR_TARGET_NOT_HALTED;
1258 for (i = 0; i < bank->num_sectors; i++)
1260 uint32_t address = bank->base + bank->sectors[i].offset;
1261 uint32_t size = bank->sectors[i].size;
1263 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1269 bank->sectors[i].is_erased = 1;
1271 bank->sectors[i].is_erased = 0;
1277 LOG_USER("Running slow fallback erase check - add working memory");
1278 return default_flash_mem_blank_check(bank);