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