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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                         if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
 338                                 return retval;
 339
 340                         if ((retval = p->driver->erase_check(p)) != ERROR_OK)
 341                                 return retval;
 342
 343                         command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
 344                                                 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
 345                         for (j = 0; j < p->num_sectors; j++)
 346                         {
 347                                 char *erase_state, *protect_state;
 348
 349                                 if (p->sectors[j].is_erased == 0)
 350                                         erase_state = "not erased";
 351                                 else if (p->sectors[j].is_erased == 1)
 352                                         erase_state = "erased";
 353                                 else
 354                                         erase_state = "erase state unknown";
 355
 356                                 if (p->sectors[j].is_protected == 0)
 357                                         protect_state = "not protected";
 358                                 else if (p->sectors[j].is_protected == 1)
 359                                         protect_state = "protected";
 360                                 else
 361                                         protect_state = "protection state unknown";
 362
 363                                 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
 364                                                         j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
 365                                                         erase_state, protect_state);
 366                         }
 367
 368                         *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
 369                         retval = p->driver->info(p, buf, sizeof(buf));
 370                         command_print(cmd_ctx, "%s", buf);
 371                         if (retval != ERROR_OK)
 372                                 LOG_ERROR("error retrieving flash info (%d)", retval);
 373                 }
 374         }
 375
 376         return ERROR_OK;
 377 }
 378
 379 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 380 {
 381         flash_bank_t *p;
 382         int retval;
 383
 384         if (argc != 1)
 385         {
 386                 return ERROR_COMMAND_SYNTAX_ERROR;
 387         }
 388
 389         p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
 390         if (p)
 391         {
 392                 if ((retval = p->driver->probe(p)) == ERROR_OK)
 393                 {
 394                         command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
 395                 }
 396                 else if (retval == ERROR_FLASH_BANK_INVALID)
 397                 {
 398                         command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
 399                                                   args[0], p->base);
 400                 }
 401                 else
 402                 {
 403                         command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
 404                                                   args[0], p->base);
 405                 }
 406         }
 407         else
 408         {
 409                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 410         }
 411
 412         return ERROR_OK;
 413 }
 414
 415 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 416 {
 417         flash_bank_t *p;
 418         int retval;
 419
 420         if (argc != 1)
 421         {
 422                 return ERROR_COMMAND_SYNTAX_ERROR;
 423         }
 424
 425         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 426         if (p)
 427         {
 428                 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
 429                 {
 430                         command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
 431                 }
 432                 else
 433                 {
 434                         command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
 435                                 args[0], p->base);
 436                 }
 437         }
 438
 439         return ERROR_OK;
 440 }
 441
 442 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 443 {
 444         flash_bank_t *p;
 445         int retval;
 446         int address;
 447         int length;
 448         duration_t duration;
 449         char *duration_text;
 450
 451         target_t *target = get_current_target(cmd_ctx);
 452
 453         if (argc != 2)
 454         {
 455                 return ERROR_COMMAND_SYNTAX_ERROR;
 456         }
 457
 458         address = strtoul(args[0], NULL, 0);
 459         length = strtoul(args[1], NULL, 0);
 460         if (length <= 0)
 461         {
 462                 command_print(cmd_ctx, "Length must be >0");
 463                 return ERROR_COMMAND_SYNTAX_ERROR;
 464         }
 465
 466         p = get_flash_bank_by_addr(target, address);
 467         if (p == NULL)
 468         {
 469                 return ERROR_COMMAND_SYNTAX_ERROR;
 470         }
 471
 472         /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
 473         flash_set_dirty();
 474
 475         duration_start_measure(&duration);
 476
 477         if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
 478         {
 479                 duration_stop_measure(&duration, &duration_text);
 480                 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
 481                 free(duration_text);
 482         }
 483
 484         return retval;
 485 }
 486
 487 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 488 {
 489         flash_bank_t *p;
 490         int retval;
 491
 492         if (argc != 1)
 493         {
 494                 return ERROR_COMMAND_SYNTAX_ERROR;
 495         }
 496
 497         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 498         if (p)
 499         {
 500                 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
 501                 {
 502                         command_print(cmd_ctx, "successfully checked protect state");
 503                 }
 504                 else if (retval == ERROR_FLASH_OPERATION_FAILED)
 505                 {
 506                         command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
 507                 }
 508                 else
 509                 {
 510                         command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
 511                 }
 512         }
 513         else
 514         {
 515                 return ERROR_COMMAND_SYNTAX_ERROR;
 516         }
 517
 518         return ERROR_OK;
 519 }
 520
 521 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 522 {
 523         if (argc > 2)
 524         {
 525                 int first = strtoul(args[1], NULL, 0);
 526                 int last = strtoul(args[2], NULL, 0);
 527                 int retval;
 528                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 529                 duration_t duration;
 530                 char *duration_text;
 531
 532                 duration_start_measure(&duration);
 533
 534                 if (!p)
 535                 {
 536                         return ERROR_COMMAND_SYNTAX_ERROR;
 537                 }
 538
 539                 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
 540                 {
 541                         duration_stop_measure(&duration, &duration_text);
 542
 543                         command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
 544                         free(duration_text);
 545                 }
 546         }
 547         else
 548         {
 549                 return ERROR_COMMAND_SYNTAX_ERROR;
 550         }
 551
 552         return ERROR_OK;
 553 }
 554
 555 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 556 {
 557         if (argc > 3)
 558         {
 559                 int first = strtoul(args[1], NULL, 0);
 560                 int last = strtoul(args[2], NULL, 0);
 561                 int set;
 562                 int retval;
 563                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 564                 if (!p)
 565                 {
 566                         command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 567                         return ERROR_OK;
 568                 }
 569
 570                 if (strcmp(args[3], "on") == 0)
 571                         set = 1;
 572                 else if (strcmp(args[3], "off") == 0)
 573                         set = 0;
 574                 else
 575                 {
 576                         return ERROR_COMMAND_SYNTAX_ERROR;
 577                 }
 578
 579                 retval = flash_driver_protect(p, set, first, last);
 580                 if (retval == ERROR_OK)
 581                 {
 582                         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));
 583                 }
 584         }
 585         else
 586         {
 587                 return ERROR_COMMAND_SYNTAX_ERROR;
 588
 589         }
 590
 591         return ERROR_OK;
 592 }
 593
 594 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 595 {
 596         target_t *target = get_current_target(cmd_ctx);
 597
 598         image_t image;
 599         u32 written;
 600
 601         duration_t duration;
 602         char *duration_text;
 603
 604         int retval;
 605
 606         if (argc < 1)
 607         {
 608                 return ERROR_COMMAND_SYNTAX_ERROR;
 609
 610         }
 611
 612         if (!target)
 613         {
 614                 LOG_ERROR("no target selected");
 615                 return ERROR_OK;
 616         }
 617
 618         duration_start_measure(&duration);
 619
 620         if (argc >= 2)
 621         {
 622                 image.base_address_set = 1;
 623                 image.base_address = strtoul(args[1], NULL, 0);
 624         }
 625         else
 626         {
 627                 image.base_address_set = 0;
 628                 image.base_address = 0x0;
 629         }
 630
 631         image.start_address_set = 0;
 632
 633         retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
 634         if (retval != ERROR_OK)
 635         {
 636                 return retval;
 637         }
 638
 639         retval = flash_write(target, &image, &written, auto_erase);
 640
 641         if (retval != ERROR_OK)
 642         {
 643                 image_close(&image);
 644                 return retval;
 645         }
 646
 647         duration_stop_measure(&duration, &duration_text);
 648         if (retval == ERROR_OK)
 649         {
 650         command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
 651                 written, args[0], duration_text,
 652                 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 653         }
 654         free(duration_text);
 655
 656         image_close(&image);
 657
 658         return retval;
 659 }
 660
 661 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 662 {
 663         int err = ERROR_OK;
 664         u32 address;
 665         u32 pattern;
 666         u32 count;
 667         u8 chunk[1024];
 668         u32 wrote = 0;
 669         int chunk_count;
 670         char *duration_text;
 671         duration_t duration;
 672         target_t *target = get_current_target(cmd_ctx);
 673         u32 i;
 674         int wordsize;
 675
 676         if (argc != 3)
 677         {
 678                 return ERROR_COMMAND_SYNTAX_ERROR;
 679         }
 680
 681         address = strtoul(args[0], NULL, 0);
 682         pattern = strtoul(args[1], NULL, 0);
 683         count   = strtoul(args[2], NULL, 0);
 684
 685         if(count == 0)
 686                 return ERROR_OK;
 687
 688
 689         switch(cmd[4])
 690         {
 691         case 'w':
 692                 wordsize=4;
 693                 break;
 694         case 'h':
 695                 wordsize=2;
 696                 break;
 697         case 'b':
 698                 wordsize=1;
 699                 break;
 700         default:
 701                 return ERROR_COMMAND_SYNTAX_ERROR;
 702         }
 703
 704         chunk_count = MIN(count, (1024 / wordsize));
 705         switch(wordsize)
 706         {
 707         case 4:
 708                 for(i = 0; i < chunk_count; i++)
 709                 {
 710                         target_buffer_set_u32(target, chunk + i * wordsize, pattern);
 711                 }
 712                 break;
 713         case 2:
 714                 for(i = 0; i < chunk_count; i++)
 715                 {
 716                         target_buffer_set_u16(target, chunk + i * wordsize, pattern);
 717                 }
 718                 break;
 719         case 1:
 720                 memset(chunk, pattern, chunk_count);
 721                 break;
 722         default:
 723                 LOG_ERROR("BUG: can't happen");
 724                 exit(-1);
 725         }
 726
 727         duration_start_measure(&duration);
 728
 729         flash_set_dirty();
 730         err = flash_erase_address_range( target, address, count*wordsize );
 731         if (err == ERROR_OK)
 732         {
 733                 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
 734                 {
 735                         int cur_size = MIN( (count*wordsize - wrote) , 1024 );
 736                         if (err == ERROR_OK)
 737                         {
 738                                 flash_bank_t *bank;
 739                                 bank = get_flash_bank_by_addr(target, address);
 740                                 if(bank == NULL)
 741                                 {
 742                                         err = ERROR_FAIL;
 743                                         break;
 744                                 }
 745                                 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
 746                                 wrote += cur_size;
 747                         }
 748                         if (err!=ERROR_OK)
 749                                 break;
 750                 }
 751         }
 752
 753         duration_stop_measure(&duration, &duration_text);
 754
 755         if(err == ERROR_OK)
 756         {
 757                 float speed;
 758                 speed=wrote / 1024.0;
 759                 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
 760                 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
 761                         count*wordsize, address, duration_text,
 762                         speed);
 763         }
 764         free(duration_text);
 765         return ERROR_OK;
 766 }
 767
 768 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 769 {
 770         u32 offset;
 771         u8 *buffer;
 772         u32 buf_cnt;
 773
 774         fileio_t fileio;
 775
 776         duration_t duration;
 777         char *duration_text;
 778
 779         int retval;
 780         flash_bank_t *p;
 781
 782         if (argc != 3)
 783         {
 784                 return ERROR_COMMAND_SYNTAX_ERROR;
 785         }
 786
 787         duration_start_measure(&duration);
 788
 789         offset = strtoul(args[2], NULL, 0);
 790         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 791         if (!p)
 792         {
 793                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 794                 return ERROR_OK;
 795         }
 796
 797         if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
 798         {
 799                 return ERROR_OK;
 800         }
 801
 802         buffer = malloc(fileio.size);
 803         if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
 804         {
 805                 return ERROR_OK;
 806         }
 807
 808         retval = flash_driver_write(p, buffer, offset, buf_cnt);
 809
 810         free(buffer);
 811
 812         duration_stop_measure(&duration, &duration_text);
 813         if (retval!=ERROR_OK)
 814         {
 815         command_print(cmd_ctx, "wrote  %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
 816                 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
 817                 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 818         }
 819         free(duration_text);
 820
 821         fileio_close(&fileio);
 822
 823         return retval;
 824 }
 825
 826 void flash_set_dirty(void)
 827 {
 828         flash_bank_t *c;
 829         int i;
 830
 831         /* set all flash to require erasing */
 832         for (c = flash_banks; c; c = c->next)
 833         {
 834                 for (i = 0; i < c->num_sectors; i++)
 835                 {
 836                         c->sectors[i].is_erased = 0;
 837                 }
 838         }
 839 }
 840
 841 /* lookup flash bank by address */
 842 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
 843 {
 844         flash_bank_t *c;
 845
 846         /* cycle through bank list */
 847         for (c = flash_banks; c; c = c->next)
 848         {
 849                 int retval;
 850                 retval = c->driver->auto_probe(c);
 851
 852                 if (retval != ERROR_OK)
 853                 {
 854                         LOG_ERROR("auto_probe failed %d\n", retval);
 855                         return NULL;
 856                 }
 857                 /* check whether address belongs to this flash bank */
 858                 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
 859                         return c;
 860         }
 861         LOG_ERROR("No flash at address 0x%08x\n", addr);
 862         return NULL;
 863 }
 864
 865 /* erase given flash region, selects proper bank according to target and address */
 866 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
 867 {
 868         flash_bank_t *c;
 869         int first = -1;
 870         int last = -1;
 871         int i;
 872
 873         if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
 874                 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
 875
 876         if (c->size == 0 || c->num_sectors == 0)
 877                 return ERROR_FLASH_BANK_INVALID;
 878
 879         if (length == 0)
 880         {
 881                 /* special case, erase whole bank when length is zero */
 882                 if (addr != c->base)
 883                         return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 884
 885                 return flash_driver_erase(c, 0, c->num_sectors - 1);
 886         }
 887
 888         /* check whether it fits */
 889         if (addr + length > c->base + c->size)
 890                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 891
 892         addr -= c->base;
 893
 894         for (i = 0; i < c->num_sectors; i++)
 895         {
 896                 /* check whether sector overlaps with the given range and is not yet erased */
 897                 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
 898                         /* if first is not set yet then this is the first sector */
 899                         if (first == -1)
 900                                 first = i;
 901                         last = i; /* and it is the last one so far in any case */
 902                 }
 903         }
 904
 905         if( first == -1 || last == -1 )
 906                 return ERROR_OK;
 907
 908         return flash_driver_erase(c, first, last);
 909 }
 910
 911 /* write (optional verify) an image to flash memory of the given target */
 912 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
 913 {
 914         int retval;
 915
 916         int section;
 917         u32 section_offset;
 918         flash_bank_t *c;
 919
 920         section = 0;
 921         section_offset = 0;
 922
 923         if (written)
 924                 *written = 0;
 925
 926         if (erase)
 927         {
 928                 /* assume all sectors need erasing - stops any problems
 929                  * when flash_write is called multiple times */
 930
 931                 flash_set_dirty();
 932         }
 933
 934         /* loop until we reach end of the image */
 935         while (section < image->num_sections)
 936         {
 937                 u32 buffer_size;
 938                 u8 *buffer;
 939                 int section_first;
 940                 int section_last;
 941                 u32 run_address = image->sections[section].base_address + section_offset;
 942                 u32 run_size = image->sections[section].size - section_offset;
 943
 944                 if (image->sections[section].size ==  0)
 945                 {
 946                         LOG_WARNING("empty section %d", section);
 947                         section++;
 948                         section_offset = 0;
 949                         continue;
 950                 }
 951
 952                 /* find the corresponding flash bank */
 953                 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
 954                 {
 955                         section++; /* and skip it */
 956                         section_offset = 0;
 957                         continue;
 958                 }
 959
 960                 /* collect consecutive sections which fall into the same bank */
 961                 section_first = section;
 962                 section_last = section;
 963                 while ((run_address + run_size < c->base + c->size)
 964                                 && (section_last + 1 < image->num_sections))
 965                 {
 966                         if (image->sections[section_last + 1].base_address < (run_address + run_size))
 967                         {
 968                                 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
 969                                 break;
 970                         }
 971                         if (image->sections[section_last + 1].base_address != (run_address + run_size))
 972                                 break;
 973                         run_size += image->sections[++section_last].size;
 974                 }
 975
 976                 /* fit the run into bank constraints */
 977                 if (run_address + run_size > c->base + c->size)
 978                         run_size = c->base + c->size - run_address;
 979
 980                 /* allocate buffer */
 981                 buffer = malloc(run_size);
 982                 buffer_size = 0;
 983
 984                 /* read sections to the buffer */
 985                 while (buffer_size < run_size)
 986                 {
 987                         u32 size_read;
 988
 989                         if (buffer_size - run_size <= image->sections[section].size - section_offset)
 990                                 size_read = buffer_size - run_size;
 991                         else
 992                                 size_read = image->sections[section].size - section_offset;
 993
 994                         if ((retval = image_read_section(image, section, section_offset,
 995                                         size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
 996                         {
 997                                 free(buffer);
 998
 999                                 return retval;
1000                         }
1001
1002                         buffer_size += size_read;
1003                         section_offset += size_read;
1004
1005                         if (section_offset >= image->sections[section].size)
1006                         {
1007                                 section++;
1008                                 section_offset = 0;
1009                         }
1010                 }
1011
1012                 retval = ERROR_OK;
1013
1014                 if (erase)
1015                 {
1016                         /* calculate and erase sectors */
1017                         retval = flash_erase_address_range( target, run_address, run_size );
1018                 }
1019
1020                 if (retval == ERROR_OK)
1021                 {
1022                         /* write flash sectors */
1023                         retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1024                 }
1025
1026                 free(buffer);
1027
1028                 if (retval != ERROR_OK)
1029                 {
1030                                 return retval; /* abort operation */
1031                         }
1032
1033                 if (written != NULL)
1034                         *written += run_size; /* add run size to total written counter */
1035         }
1036
1037         return ERROR_OK;
1038 }
1039
1040 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1041 {
1042         if (argc != 1)
1043         {
1044                 return ERROR_COMMAND_SYNTAX_ERROR;
1045         }
1046
1047         if (strcmp(args[0], "on") == 0)
1048                 auto_erase = 1;
1049         else if (strcmp(args[0], "off") == 0)
1050                 auto_erase = 0;
1051         else
1052                 return ERROR_COMMAND_SYNTAX_ERROR;
1053
1054         return ERROR_OK;
1055 }
1056
1057
1058 int default_flash_blank_check(struct flash_bank_s *bank)
1059 {
1060         target_t *target = bank->target;
1061         u8 buffer[1024];
1062         int buffer_size=sizeof(buffer);
1063         int i;
1064         int nBytes;
1065
1066         if (bank->target->state != TARGET_HALTED)
1067         {
1068                 return ERROR_TARGET_NOT_HALTED;
1069         }
1070
1071
1072         for (i = 0; i < bank->num_sectors; i++)
1073         {
1074                 int j;
1075                 bank->sectors[i].is_erased = 1;
1076
1077                 for (j=0; j<bank->sectors[i].size; j+=buffer_size)
1078                 {
1079                         int chunk;
1080                         int retval;
1081                         chunk=buffer_size;
1082                         if (chunk>(j-bank->sectors[i].size))
1083                         {
1084                                 chunk=(j-bank->sectors[i].size);
1085                         }
1086
1087                         retval=target->type->read_memory(target, bank->base + bank->sectors[i].offset, 4, chunk/4, buffer);
1088                         if (retval!=ERROR_OK)
1089                                 return retval;
1090
1091                         for (nBytes = 0; nBytes < chunk; nBytes++)
1092                         {
1093                                 if (buffer[nBytes] != 0xFF)
1094                                 {
1095                                         bank->sectors[i].is_erased = 0;
1096                                         break;
1097                                 }
1098                         }
1099                 }
1100         }
1101
1102         return ERROR_OK;
1103 }