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: last sector must be <= %d",
573 (int) 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 (int) first, (int) last, (int) bank_nr,
625 return ERROR_COMMAND_SYNTAX_ERROR;
630 static int handle_flash_protect_command(struct command_context_s *cmd_ctx,
631 char *cmd, char **args, int argc)
641 if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
644 flash_bank_t *p = get_flash_bank_by_num(bank_nr);
648 if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
650 if (strcmp(args[2], "last") == 0)
651 last = p->num_sectors - 1;
653 if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
656 if (strcmp(args[3], "on") == 0)
658 else if (strcmp(args[3], "off") == 0)
661 return ERROR_COMMAND_SYNTAX_ERROR;
663 if ((retval = flash_check_sector_parameters(cmd_ctx,
664 first, last, p->num_sectors)) != ERROR_OK)
667 retval = flash_driver_protect(p, set, first, last);
668 if (retval == ERROR_OK) {
669 command_print(cmd_ctx, "%s protection for sectors %i "
670 "through %i on flash bank %i",
671 (set) ? "set" : "cleared", (int) first,
672 (int) last, (int) bank_nr);
676 return ERROR_COMMAND_SYNTAX_ERROR;
681 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
683 target_t *target = get_current_target(cmd_ctx);
691 int retval, retvaltemp;
695 return ERROR_COMMAND_SYNTAX_ERROR;
698 /* flash auto-erase is disabled by default*/
701 if (strcmp(args[0], "erase") == 0)
706 command_print(cmd_ctx, "auto erase enabled");
711 return ERROR_COMMAND_SYNTAX_ERROR;
716 LOG_ERROR("no target selected");
720 duration_start_measure(&duration);
724 image.base_address_set = 1;
725 image.base_address = strtoul(args[1], NULL, 0);
729 image.base_address_set = 0;
730 image.base_address = 0x0;
733 image.start_address_set = 0;
735 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
736 if (retval != ERROR_OK)
741 retval = flash_write(target, &image, &written, auto_erase);
742 if (retval != ERROR_OK)
748 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
756 speed = written / 1024.0;
757 speed /= ((float)duration.duration.tv_sec
758 + ((float)duration.duration.tv_usec / 1000000.0));
759 command_print(cmd_ctx,
760 "wrote %" PRIu32 " byte from file %s in %s (%f kb/s)",
761 written, args[0], duration_text, speed);
770 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
772 int err = ERROR_OK, retval;
777 uint8_t readback[1024];
779 uint32_t cur_size = 0;
780 uint32_t chunk_count;
783 target_t *target = get_current_target(cmd_ctx);
789 return ERROR_COMMAND_SYNTAX_ERROR;
792 address = strtoul(args[0], NULL, 0);
793 pattern = strtoul(args[1], NULL, 0);
794 count = strtoul(args[2], NULL, 0);
811 return ERROR_COMMAND_SYNTAX_ERROR;
814 chunk_count = MIN(count, (1024 / wordsize));
818 for (i = 0; i < chunk_count; i++)
820 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
824 for (i = 0; i < chunk_count; i++)
826 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
830 memset(chunk, pattern, chunk_count);
833 LOG_ERROR("BUG: can't happen");
837 duration_start_measure(&duration);
839 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
841 cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
843 bank = get_flash_bank_by_addr(target, address);
848 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
852 err = target_read_buffer(target, address + wrote, cur_size, readback);
857 for (i = 0; i < cur_size; i++)
859 if (readback[i]!=chunk[i])
861 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
862 address + wrote + i, readback[i], chunk[i]);
869 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
876 speed = wrote / 1024.0;
877 speed /= ((float)duration.duration.tv_sec
878 + ((float)duration.duration.tv_usec / 1000000.0));
879 command_print(cmd_ctx,
880 "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 " in %s (%f kb/s)",
881 wrote, address, duration_text, speed);
887 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
898 int retval, retvaltemp;
903 return ERROR_COMMAND_SYNTAX_ERROR;
906 duration_start_measure(&duration);
908 offset = strtoul(args[2], NULL, 0);
909 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
912 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
916 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
921 buffer = malloc(fileio.size);
922 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
925 fileio_close(&fileio);
929 retval = flash_driver_write(p, buffer, offset, buf_cnt);
934 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
936 fileio_close(&fileio);
939 if (retval == ERROR_OK)
941 command_print(cmd_ctx,
942 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32 " in %s (%f kb/s)",
945 strtoul(args[0], NULL, 0),
948 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
952 fileio_close(&fileio);
957 void flash_set_dirty(void)
962 /* set all flash to require erasing */
963 for (c = flash_banks; c; c = c->next)
965 for (i = 0; i < c->num_sectors; i++)
967 c->sectors[i].is_erased = 0;
972 /* lookup flash bank by address */
973 flash_bank_t *get_flash_bank_by_addr(target_t *target, uint32_t addr)
977 /* cycle through bank list */
978 for (c = flash_banks; c; c = c->next)
981 retval = c->driver->auto_probe(c);
983 if (retval != ERROR_OK)
985 LOG_ERROR("auto_probe failed %d\n", retval);
988 /* check whether address belongs to this flash bank */
989 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
992 LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
996 /* erase given flash region, selects proper bank according to target and address */
997 int flash_erase_address_range(target_t *target, uint32_t addr, uint32_t length)
1004 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
1005 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
1007 if (c->size == 0 || c->num_sectors == 0)
1009 LOG_ERROR("Bank is invalid");
1010 return ERROR_FLASH_BANK_INVALID;
1015 /* special case, erase whole bank when length is zero */
1016 if (addr != c->base)
1017 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1019 return flash_driver_erase(c, 0, c->num_sectors - 1);
1022 /* check whether it fits */
1023 if (addr + length - 1 > c->base + c->size - 1)
1024 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
1028 for (i = 0; i < c->num_sectors; i++)
1030 /* check whether sector overlaps with the given range and is not yet erased */
1031 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
1032 /* if first is not set yet then this is the first sector */
1035 last = i; /* and it is the last one so far in any case */
1039 if (first == -1 || last == -1)
1042 return flash_driver_erase(c, first, last);
1045 /* write (optional verify) an image to flash memory of the given target */
1046 int flash_write(target_t *target, image_t *image, uint32_t *written, int erase)
1048 int retval = ERROR_OK;
1051 uint32_t section_offset;
1063 /* assume all sectors need erasing - stops any problems
1064 * when flash_write is called multiple times */
1069 /* allocate padding array */
1070 padding = malloc(image->num_sections * sizeof(padding));
1072 /* loop until we reach end of the image */
1073 while (section < image->num_sections)
1075 uint32_t buffer_size;
1079 uint32_t run_address = image->sections[section].base_address + section_offset;
1080 uint32_t run_size = image->sections[section].size - section_offset;
1083 if (image->sections[section].size == 0)
1085 LOG_WARNING("empty section %d", section);
1091 /* find the corresponding flash bank */
1092 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1094 section++; /* and skip it */
1099 /* collect consecutive sections which fall into the same bank */
1100 section_first = section;
1101 section_last = section;
1102 padding[section] = 0;
1103 while ((run_address + run_size - 1 < c->base + c->size - 1)
1104 && (section_last + 1 < image->num_sections))
1106 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1108 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1111 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1112 * attempt to rebuild a consecutive buffer for the flash loader */
1113 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1114 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1116 padding[section_last] = pad_bytes;
1117 run_size += image->sections[++section_last].size;
1118 run_size += pad_bytes;
1119 padding[section_last] = 0;
1121 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
1124 /* fit the run into bank constraints */
1125 if (run_address + run_size - 1 > c->base + c->size - 1)
1127 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1128 (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
1129 run_size = c->base + c->size - run_address;
1132 /* allocate buffer */
1133 buffer = malloc(run_size);
1136 /* read sections to the buffer */
1137 while (buffer_size < run_size)
1141 size_read = run_size - buffer_size;
1142 if (size_read > image->sections[section].size - section_offset)
1143 size_read = image->sections[section].size - section_offset;
1145 if ((retval = image_read_section(image, section, section_offset,
1146 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1153 /* see if we need to pad the section */
1154 while (padding[section]--)
1155 (buffer + buffer_size)[size_read++] = 0xff;
1157 buffer_size += size_read;
1158 section_offset += size_read;
1160 if (section_offset >= image->sections[section].size)
1171 /* calculate and erase sectors */
1172 retval = flash_erase_address_range(target, run_address, run_size);
1175 if (retval == ERROR_OK)
1177 /* write flash sectors */
1178 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1183 if (retval != ERROR_OK)
1186 return retval; /* abort operation */
1189 if (written != NULL)
1190 *written += run_size; /* add run size to total written counter */
1198 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1200 target_t *target = bank->target;
1201 uint8_t buffer[1024];
1202 int buffer_size = sizeof(buffer);
1206 if (bank->target->state != TARGET_HALTED)
1208 LOG_ERROR("Target not halted");
1209 return ERROR_TARGET_NOT_HALTED;
1212 for (i = 0; i < bank->num_sectors; i++)
1215 bank->sectors[i].is_erased = 1;
1217 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1221 chunk = buffer_size;
1222 if (chunk > (j - bank->sectors[i].size))
1224 chunk = (j - bank->sectors[i].size);
1227 retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1228 if (retval != ERROR_OK)
1231 for (nBytes = 0; nBytes < chunk; nBytes++)
1233 if (buffer[nBytes] != 0xFF)
1235 bank->sectors[i].is_erased = 0;
1245 int default_flash_blank_check(struct flash_bank_s *bank)
1247 target_t *target = bank->target;
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++)
1261 uint32_t address = bank->base + bank->sectors[i].offset;
1262 uint32_t size = bank->sectors[i].size;
1264 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1270 bank->sectors[i].is_erased = 1;
1272 bank->sectors[i].is_erased = 0;
1278 LOG_USER("Running slow fallback erase check - add working memory");
1279 return default_flash_mem_blank_check(bank);