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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "flash.h"
  25 #include "command.h"
  26 #include "target.h"
  27 #include "time_support.h"
  28 #include "fileio.h"
  29 #include "image.h"
  30 #include "log.h"
  31
  32 #include <string.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <errno.h>
  38 #include <inttypes.h>
  39
  40 /* command handlers */
  41 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  42 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  43 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  44 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  45 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  46 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  47 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  49 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
  56
  57 /* flash drivers
  58  */
  59 extern flash_driver_t lpc2000_flash;
  60 extern flash_driver_t cfi_flash;
  61 extern flash_driver_t at91sam7_flash;
  62 extern flash_driver_t str7x_flash;
  63 extern flash_driver_t str9x_flash;
  64 extern flash_driver_t stellaris_flash;
  65 extern flash_driver_t str9xpec_flash;
  66 extern flash_driver_t stm32x_flash;
  67 extern flash_driver_t tms470_flash;
  68 extern flash_driver_t ecosflash_flash;
  69
  70 flash_driver_t *flash_drivers[] =
  71 {
  72         &lpc2000_flash,
  73         &cfi_flash,
  74         &at91sam7_flash,
  75         &str7x_flash,
  76         &str9x_flash,
  77         &stellaris_flash,
  78         &str9xpec_flash,
  79         &stm32x_flash,
  80         &tms470_flash,
  81         &ecosflash_flash,
  82         NULL,
  83 };
  84
  85 flash_bank_t *flash_banks;
  86 static  command_t *flash_cmd;
  87 static int auto_erase = 0;
  88
  89 /* wafer thin wrapper for invoking the flash driver */
  90 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
  91 {
  92         int retval;
  93
  94         retval=bank->driver->write(bank, buffer, offset, count);
  95         if (retval!=ERROR_OK)
  96         {
  97                 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
  98         }
  99
 100         return retval;
 101 }
 102
 103 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
 104 {
 105         int retval;
 106
 107         retval=bank->driver->erase(bank, first, last);
 108         if (retval!=ERROR_OK)
 109         {
 110                 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
 111         }
 112
 113         return retval;
 114 }
 115
 116 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
 117 {
 118         int retval;
 119
 120         retval=bank->driver->protect(bank, set, first, last);
 121         if (retval!=ERROR_OK)
 122         {
 123                 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
 124         }
 125
 126         return retval;
 127 }
 128
 129
 130 int flash_register_commands(struct command_context_s *cmd_ctx)
 131 {
 132         flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
 133
 134         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 ...]");
 135         register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
 136                                                  "auto erase flash sectors <on|off>");
 137         return ERROR_OK;
 138 }
 139
 140 int flash_init_drivers(struct command_context_s *cmd_ctx)
 141 {
 142         if (flash_banks)
 143         {
 144                 register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
 145                                                  "list configured flash banks ");
 146                 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
 147                                                  "print info about flash bank <num>");
 148                 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
 149                                                  "identify flash bank <num>");
 150                 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
 151                                                  "check erase state of sectors in flash bank <num>");
 152                 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
 153                                                  "check protection state of sectors in flash bank <num>");
 154                 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
 155                                                  "erase sectors at <bank> <first> <last>");
 156                 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
 157                                                  "erase address range <address> <length>");
 158
 159                 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
 160                                                  "fill with pattern <address> <word_pattern> <count>");
 161                 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
 162                                                  "fill with pattern <address> <halfword_pattern> <count>");
 163                 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
 164                                                  "fill with pattern <address> <byte_pattern> <count>");
 165
 166                 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
 167                                                  "write binary data to <bank> <file> <offset>");
 168                 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
 169                                                  "write_image <file> [offset] [type]");
 170                 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
 171                                                  "set protection of sectors at <bank> <first> <last> <on|off>");
 172         }
 173
 174         return ERROR_OK;
 175 }
 176
 177 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
 178 {
 179         flash_bank_t *p;
 180         int i = 0;
 181
 182         for (p = flash_banks; p; p = p->next)
 183         {
 184                 if (i++ == num)
 185                 {
 186                         return p;
 187                 }
 188         }
 189         LOG_ERROR("flash bank %d does not exist", num);
 190         return NULL;
 191 }
 192
 193 int flash_get_bank_count()
 194 {
 195         flash_bank_t *p;
 196         int i = 0;
 197         for (p = flash_banks; p; p = p->next)
 198         {
 199                 i++;
 200         }
 201         return i;
 202 }
 203
 204 flash_bank_t *get_flash_bank_by_num(int num)
 205 {
 206         flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
 207         int retval;
 208
 209         if (p == NULL)
 210                 return NULL;
 211
 212         retval = p->driver->auto_probe(p);
 213
 214         if (retval != ERROR_OK)
 215         {
 216                 LOG_ERROR("auto_probe failed %d\n", retval);
 217                 return NULL;
 218         }
 219         return p;
 220 }
 221
 222 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 223 {
 224         int i;
 225         int found = 0;
 226         target_t *target;
 227
 228         if (argc < 6)
 229         {
 230                 return ERROR_COMMAND_SYNTAX_ERROR;
 231         }
 232
 233         if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
 234         {
 235                 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
 236                 return ERROR_OK;
 237         }
 238
 239         for (i = 0; flash_drivers[i]; i++)
 240         {
 241                 if (strcmp(args[0], flash_drivers[i]->name) == 0)
 242                 {
 243                         flash_bank_t *p, *c;
 244
 245                         /* register flash specific commands */
 246                         if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
 247                         {
 248                                 LOG_ERROR("couldn't register '%s' commands", args[0]);
 249                                 exit(-1);
 250                         }
 251
 252                         c = malloc(sizeof(flash_bank_t));
 253                         c->target = target;
 254                         c->driver = flash_drivers[i];
 255                         c->driver_priv = NULL;
 256                         c->base = strtoul(args[1], NULL, 0);
 257                         c->size = strtoul(args[2], NULL, 0);
 258                         c->chip_width = strtoul(args[3], NULL, 0);
 259                         c->bus_width = strtoul(args[4], NULL, 0);
 260                         c->num_sectors = 0;
 261                         c->sectors = NULL;
 262                         c->next = NULL;
 263
 264                         if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
 265                         {
 266                                 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
 267                                 free(c);
 268                                 return ERROR_OK;
 269                         }
 270
 271                         /* put flash bank in linked list */
 272                         if (flash_banks)
 273                         {
 274                                 /* find last flash bank */
 275                                 for (p = flash_banks; p && p->next; p = p->next);
 276                                 if (p)
 277                                         p->next = c;
 278                         }
 279                         else
 280                         {
 281                                 flash_banks = c;
 282                         }
 283
 284                         found = 1;
 285                 }
 286         }
 287
 288         /* no matching flash driver found */
 289         if (!found)
 290         {
 291                 LOG_ERROR("flash driver '%s' not found", args[0]);
 292                 exit(-1);
 293         }
 294
 295         return ERROR_OK;
 296 }
 297
 298 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 299 {
 300         flash_bank_t *p;
 301         int i = 0;
 302
 303         if (!flash_banks)
 304         {
 305                 command_print(cmd_ctx, "no flash banks configured");
 306                 return ERROR_OK;
 307         }
 308
 309         for (p = flash_banks; p; p = p->next)
 310         {
 311                 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
 312                                           i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
 313         }
 314
 315         return ERROR_OK;
 316 }
 317
 318 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 319 {
 320         flash_bank_t *p;
 321         int i = 0;
 322         int j = 0;
 323         int retval;
 324
 325         if (argc != 1)
 326         {
 327                 return ERROR_COMMAND_SYNTAX_ERROR;
 328         }
 329
 330         for (p = flash_banks; p; p = p->next, i++)
 331         {
 332                 if (i == strtoul(args[0], NULL, 0))
 333                 {
 334                         char buf[1024];
 335
 336                         /* attempt auto probe */
 337                         p->driver->auto_probe(p);
 338
 339                         command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
 340                                                 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
 341                         for (j = 0; j < p->num_sectors; j++)
 342                         {
 343                                 char *erase_state, *protect_state;
 344
 345                                 if (p->sectors[j].is_erased == 0)
 346                                         erase_state = "not erased";
 347                                 else if (p->sectors[j].is_erased == 1)
 348                                         erase_state = "erased";
 349                                 else
 350                                         erase_state = "erase state unknown";
 351
 352                                 if (p->sectors[j].is_protected == 0)
 353                                         protect_state = "not protected";
 354                                 else if (p->sectors[j].is_protected == 1)
 355                                         protect_state = "protected";
 356                                 else
 357                                         protect_state = "protection state unknown";
 358
 359                                 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
 360                                                         j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
 361                                                         erase_state, protect_state);
 362                         }
 363
 364                         *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
 365                         retval = p->driver->info(p, buf, sizeof(buf));
 366                         command_print(cmd_ctx, "%s", buf);
 367                         if (retval != ERROR_OK)
 368                                 LOG_ERROR("error retrieving flash info (%d)", retval);
 369                 }
 370         }
 371
 372         return ERROR_OK;
 373 }
 374
 375 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 376 {
 377         flash_bank_t *p;
 378         int retval;
 379
 380         if (argc != 1)
 381         {
 382                 return ERROR_COMMAND_SYNTAX_ERROR;
 383         }
 384
 385         p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
 386         if (p)
 387         {
 388                 if ((retval = p->driver->probe(p)) == ERROR_OK)
 389                 {
 390                         command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
 391                 }
 392                 else if (retval == ERROR_FLASH_BANK_INVALID)
 393                 {
 394                         command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
 395                                                   args[0], p->base);
 396                 }
 397                 else
 398                 {
 399                         command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
 400                                                   args[0], p->base);
 401                 }
 402         }
 403         else
 404         {
 405                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 406         }
 407
 408         return ERROR_OK;
 409 }
 410
 411 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 412 {
 413         flash_bank_t *p;
 414         int retval;
 415
 416         if (argc != 1)
 417         {
 418                 return ERROR_COMMAND_SYNTAX_ERROR;
 419         }
 420
 421         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 422         if (p)
 423         {
 424                 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
 425                 {
 426                         command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
 427                 }
 428                 else
 429                 {
 430                         command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
 431                                 args[0], p->base);
 432                 }
 433         }
 434
 435         return ERROR_OK;
 436 }
 437
 438 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 439 {
 440         flash_bank_t *p;
 441         int retval;
 442         int address;
 443         int length;
 444         duration_t duration;
 445         char *duration_text;
 446
 447         target_t *target = get_current_target(cmd_ctx);
 448
 449         if (argc != 2)
 450         {
 451                 return ERROR_COMMAND_SYNTAX_ERROR;
 452         }
 453
 454         address = strtoul(args[0], NULL, 0);
 455         length = strtoul(args[1], NULL, 0);
 456         if (length <= 0)
 457         {
 458                 command_print(cmd_ctx, "Length must be >0");
 459                 return ERROR_COMMAND_SYNTAX_ERROR;
 460         }
 461
 462         p = get_flash_bank_by_addr(target, address);
 463         if (p == NULL)
 464         {
 465                 return ERROR_COMMAND_SYNTAX_ERROR;
 466         }
 467
 468         /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
 469         flash_set_dirty();
 470
 471         duration_start_measure(&duration);
 472
 473         if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
 474         {
 475                 duration_stop_measure(&duration, &duration_text);
 476                 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
 477                 free(duration_text);
 478         }
 479
 480         return retval;
 481 }
 482
 483 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 484 {
 485         flash_bank_t *p;
 486         int retval;
 487
 488         if (argc != 1)
 489         {
 490                 return ERROR_COMMAND_SYNTAX_ERROR;
 491         }
 492
 493         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 494         if (p)
 495         {
 496                 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
 497                 {
 498                         command_print(cmd_ctx, "successfully checked protect state");
 499                 }
 500                 else if (retval == ERROR_FLASH_OPERATION_FAILED)
 501                 {
 502                         command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
 503                 }
 504                 else
 505                 {
 506                         command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
 507                 }
 508         }
 509         else
 510         {
 511                 return ERROR_COMMAND_SYNTAX_ERROR;
 512         }
 513
 514         return ERROR_OK;
 515 }
 516
 517 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 518 {
 519         if (argc > 2)
 520         {
 521                 int first = strtoul(args[1], NULL, 0);
 522                 int last = strtoul(args[2], NULL, 0);
 523                 int retval;
 524                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 525                 duration_t duration;
 526                 char *duration_text;
 527
 528                 duration_start_measure(&duration);
 529
 530                 if (!p)
 531                 {
 532                         return ERROR_COMMAND_SYNTAX_ERROR;
 533                 }
 534
 535                 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
 536                 {
 537                         duration_stop_measure(&duration, &duration_text);
 538
 539                         command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
 540                         free(duration_text);
 541                 }
 542         }
 543         else
 544         {
 545                 return ERROR_COMMAND_SYNTAX_ERROR;
 546         }
 547
 548         return ERROR_OK;
 549 }
 550
 551 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 552 {
 553         if (argc > 3)
 554         {
 555                 int first = strtoul(args[1], NULL, 0);
 556                 int last = strtoul(args[2], NULL, 0);
 557                 int set;
 558                 int retval;
 559                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 560                 if (!p)
 561                 {
 562                         command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 563                         return ERROR_OK;
 564                 }
 565
 566                 if (strcmp(args[3], "on") == 0)
 567                         set = 1;
 568                 else if (strcmp(args[3], "off") == 0)
 569                         set = 0;
 570                 else
 571                 {
 572                         return ERROR_COMMAND_SYNTAX_ERROR;
 573                 }
 574
 575                 retval = flash_driver_protect(p, set, first, last);
 576                 if (retval == ERROR_OK)
 577                 {
 578                         command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %i", (set) ? "set" : "cleared", first, last, strtoul(args[0], 0, 0));
 579                 }
 580         }
 581         else
 582         {
 583                 return ERROR_COMMAND_SYNTAX_ERROR;
 584
 585         }
 586
 587         return ERROR_OK;
 588 }
 589
 590 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 591 {
 592         target_t *target = get_current_target(cmd_ctx);
 593
 594         image_t image;
 595         u32 written;
 596
 597         duration_t duration;
 598         char *duration_text;
 599
 600         int retval;
 601
 602         if (argc < 1)
 603         {
 604                 return ERROR_COMMAND_SYNTAX_ERROR;
 605
 606         }
 607
 608         if (!target)
 609         {
 610                 LOG_ERROR("no target selected");
 611                 return ERROR_OK;
 612         }
 613
 614         duration_start_measure(&duration);
 615
 616         if (argc >= 2)
 617         {
 618                 image.base_address_set = 1;
 619                 image.base_address = strtoul(args[1], NULL, 0);
 620         }
 621         else
 622         {
 623                 image.base_address_set = 0;
 624                 image.base_address = 0x0;
 625         }
 626
 627         image.start_address_set = 0;
 628
 629         retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
 630         if (retval != ERROR_OK)
 631         {
 632                 return retval;
 633         }
 634
 635         retval = flash_write(target, &image, &written, auto_erase);
 636
 637         if (retval != ERROR_OK)
 638         {
 639                 image_close(&image);
 640                 return retval;
 641         }
 642
 643         duration_stop_measure(&duration, &duration_text);
 644         if (retval == ERROR_OK)
 645         {
 646         command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
 647                 written, args[0], duration_text,
 648                 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 649         }
 650         free(duration_text);
 651
 652         image_close(&image);
 653
 654         return retval;
 655 }
 656
 657 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 658 {
 659         int err = ERROR_OK;
 660         u32 address;
 661         u32 pattern;
 662         u32 count;
 663         u8 chunk[1024];
 664         u32 wrote = 0;
 665         int chunk_count;
 666         char *duration_text;
 667         duration_t duration;
 668         target_t *target = get_current_target(cmd_ctx);
 669         u32 i;
 670         int wordsize;
 671
 672         if (argc != 3)
 673         {
 674                 return ERROR_COMMAND_SYNTAX_ERROR;
 675         }
 676
 677         address = strtoul(args[0], NULL, 0);
 678         pattern = strtoul(args[1], NULL, 0);
 679         count   = strtoul(args[2], NULL, 0);
 680
 681         if(count == 0)
 682                 return ERROR_OK;
 683
 684
 685         switch(cmd[4])
 686         {
 687         case 'w':
 688                 wordsize=4;
 689                 break;
 690         case 'h':
 691                 wordsize=2;
 692                 break;
 693         case 'b':
 694                 wordsize=1;
 695                 break;
 696         default:
 697                 return ERROR_COMMAND_SYNTAX_ERROR;
 698         }
 699
 700         chunk_count = MIN(count, (1024 / wordsize));
 701         switch(wordsize)
 702         {
 703         case 4:
 704                 for(i = 0; i < chunk_count; i++)
 705                 {
 706                         target_buffer_set_u32(target, chunk + i * wordsize, pattern);
 707                 }
 708                 break;
 709         case 2:
 710                 for(i = 0; i < chunk_count; i++)
 711                 {
 712                         target_buffer_set_u16(target, chunk + i * wordsize, pattern);
 713                 }
 714                 break;
 715         case 1:
 716                 memset(chunk, pattern, chunk_count);
 717                 break;
 718         default:
 719                 LOG_ERROR("BUG: can't happen");
 720                 exit(-1);
 721         }
 722
 723         duration_start_measure(&duration);
 724
 725         flash_set_dirty();
 726         err = flash_erase_address_range( target, address, count*wordsize );
 727         if (err == ERROR_OK)
 728         {
 729                 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
 730                 {
 731                         int cur_size = MIN( (count*wordsize - wrote) , 1024 );
 732                         if (err == ERROR_OK)
 733                         {
 734                                 flash_bank_t *bank;
 735                                 bank = get_flash_bank_by_addr(target, address);
 736                                 if(bank == NULL)
 737                                 {
 738                                         err = ERROR_FAIL;
 739                                         break;
 740                                 }
 741                                 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
 742                                 wrote += cur_size;
 743                         }
 744                         if (err!=ERROR_OK)
 745                                 break;
 746                 }
 747         }
 748
 749         duration_stop_measure(&duration, &duration_text);
 750
 751         if(err == ERROR_OK)
 752         {
 753                 float speed;
 754                 speed=wrote / 1024.0;
 755                 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
 756                 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
 757                         count*wordsize, address, duration_text,
 758                         speed);
 759         }
 760         free(duration_text);
 761         return ERROR_OK;
 762 }
 763
 764 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 765 {
 766         u32 offset;
 767         u8 *buffer;
 768         u32 buf_cnt;
 769
 770         fileio_t fileio;
 771
 772         duration_t duration;
 773         char *duration_text;
 774
 775         int retval;
 776         flash_bank_t *p;
 777
 778         if (argc != 3)
 779         {
 780                 return ERROR_COMMAND_SYNTAX_ERROR;
 781         }
 782
 783         duration_start_measure(&duration);
 784
 785         offset = strtoul(args[2], NULL, 0);
 786         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 787         if (!p)
 788         {
 789                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 790                 return ERROR_OK;
 791         }
 792
 793         if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
 794         {
 795                 return ERROR_OK;
 796         }
 797
 798         buffer = malloc(fileio.size);
 799         if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
 800         {
 801                 return ERROR_OK;
 802         }
 803
 804         retval = flash_driver_write(p, buffer, offset, buf_cnt);
 805
 806         free(buffer);
 807
 808         duration_stop_measure(&duration, &duration_text);
 809         if (retval!=ERROR_OK)
 810         {
 811         command_print(cmd_ctx, "wrote  %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
 812                 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
 813                 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 814         }
 815         free(duration_text);
 816
 817         fileio_close(&fileio);
 818
 819         return retval;
 820 }
 821
 822 void flash_set_dirty(void)
 823 {
 824         flash_bank_t *c;
 825         int i;
 826
 827         /* set all flash to require erasing */
 828         for (c = flash_banks; c; c = c->next)
 829         {
 830                 for (i = 0; i < c->num_sectors; i++)
 831                 {
 832                         c->sectors[i].is_erased = 0;
 833                 }
 834         }
 835 }
 836
 837 /* lookup flash bank by address */
 838 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
 839 {
 840         flash_bank_t *c;
 841
 842         /* cycle through bank list */
 843         for (c = flash_banks; c; c = c->next)
 844         {
 845                 int retval;
 846                 retval = c->driver->auto_probe(c);
 847
 848                 if (retval != ERROR_OK)
 849                 {
 850                         LOG_ERROR("auto_probe failed %d\n", retval);
 851                         return NULL;
 852                 }
 853                 /* check whether address belongs to this flash bank */
 854                 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
 855                         return c;
 856         }
 857         LOG_ERROR("No flash at address 0x%08x\n", addr);
 858         return NULL;
 859 }
 860
 861 /* erase given flash region, selects proper bank according to target and address */
 862 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
 863 {
 864         flash_bank_t *c;
 865         int first = -1;
 866         int last = -1;
 867         int i;
 868
 869         if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
 870                 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
 871
 872         if (c->size == 0 || c->num_sectors == 0)
 873                 return ERROR_FLASH_BANK_INVALID;
 874
 875         if (length == 0)
 876         {
 877                 /* special case, erase whole bank when length is zero */
 878                 if (addr != c->base)
 879                         return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 880
 881                 return flash_driver_erase(c, 0, c->num_sectors - 1);
 882         }
 883
 884         /* check whether it fits */
 885         if (addr + length > c->base + c->size)
 886                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 887
 888         addr -= c->base;
 889
 890         for (i = 0; i < c->num_sectors; i++)
 891         {
 892                 /* check whether sector overlaps with the given range and is not yet erased */
 893                 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
 894                         /* if first is not set yet then this is the first sector */
 895                         if (first == -1)
 896                                 first = i;
 897                         last = i; /* and it is the last one so far in any case */
 898                 }
 899         }
 900
 901         if( first == -1 || last == -1 )
 902                 return ERROR_OK;
 903
 904         return flash_driver_erase(c, first, last);
 905 }
 906
 907 /* write (optional verify) an image to flash memory of the given target */
 908 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
 909 {
 910         int retval;
 911
 912         int section;
 913         u32 section_offset;
 914         flash_bank_t *c;
 915
 916         section = 0;
 917         section_offset = 0;
 918
 919         if (written)
 920                 *written = 0;
 921
 922         if (erase)
 923         {
 924                 /* assume all sectors need erasing - stops any problems
 925                  * when flash_write is called multiple times */
 926
 927                 flash_set_dirty();
 928         }
 929
 930         /* loop until we reach end of the image */
 931         while (section < image->num_sections)
 932         {
 933                 u32 buffer_size;
 934                 u8 *buffer;
 935                 int section_first;
 936                 int section_last;
 937                 u32 run_address = image->sections[section].base_address + section_offset;
 938                 u32 run_size = image->sections[section].size - section_offset;
 939
 940                 if (image->sections[section].size ==  0)
 941                 {
 942                         LOG_WARNING("empty section %d", section);
 943                         section++;
 944                         section_offset = 0;
 945                         continue;
 946                 }
 947
 948                 /* find the corresponding flash bank */
 949                 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
 950                 {
 951                         section++; /* and skip it */
 952                         section_offset = 0;
 953                         continue;
 954                 }
 955
 956                 /* collect consecutive sections which fall into the same bank */
 957                 section_first = section;
 958                 section_last = section;
 959                 while ((run_address + run_size < c->base + c->size)
 960                                 && (section_last + 1 < image->num_sections))
 961                 {
 962                         if (image->sections[section_last + 1].base_address < (run_address + run_size))
 963                         {
 964                                 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
 965                                 break;
 966                         }
 967                         if (image->sections[section_last + 1].base_address != (run_address + run_size))
 968                                 break;
 969                         run_size += image->sections[++section_last].size;
 970                 }
 971
 972                 /* fit the run into bank constraints */
 973                 if (run_address + run_size > c->base + c->size)
 974                         run_size = c->base + c->size - run_address;
 975
 976                 /* allocate buffer */
 977                 buffer = malloc(run_size);
 978                 buffer_size = 0;
 979
 980                 /* read sections to the buffer */
 981                 while (buffer_size < run_size)
 982                 {
 983                         u32 size_read;
 984
 985                         if (buffer_size - run_size <= image->sections[section].size - section_offset)
 986                                 size_read = buffer_size - run_size;
 987                         else
 988                                 size_read = image->sections[section].size - section_offset;
 989
 990                         if ((retval = image_read_section(image, section, section_offset,
 991                                         size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
 992                         {
 993                                 free(buffer);
 994
 995                                 return retval;
 996                         }
 997
 998                         buffer_size += size_read;
 999                         section_offset += size_read;
1000
1001                         if (section_offset >= image->sections[section].size)
1002                         {
1003                                 section++;
1004                                 section_offset = 0;
1005                         }
1006                 }
1007
1008                 retval = ERROR_OK;
1009
1010                 if (erase)
1011                 {
1012                         /* calculate and erase sectors */
1013                         retval = flash_erase_address_range( target, run_address, run_size );
1014                 }
1015
1016                 if (retval == ERROR_OK)
1017                 {
1018                         /* write flash sectors */
1019                         retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1020                 }
1021
1022                 free(buffer);
1023
1024                 if (retval != ERROR_OK)
1025                 {
1026                                 return retval; /* abort operation */
1027                         }
1028
1029                 if (written != NULL)
1030                         *written += run_size; /* add run size to total written counter */
1031         }
1032
1033         return ERROR_OK;
1034 }
1035
1036 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1037 {
1038         if (argc != 1)
1039         {
1040                 return ERROR_COMMAND_SYNTAX_ERROR;
1041         }
1042
1043         if (strcmp(args[0], "on") == 0)
1044                 auto_erase = 1;
1045         else if (strcmp(args[0], "off") == 0)
1046                 auto_erase = 0;
1047         else
1048                 return ERROR_COMMAND_SYNTAX_ERROR;
1049
1050         return ERROR_OK;
1051 }