git.gag.com Git - fw/openocd/blob - src/flash/lpc2000.c

   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 #include "lpc2000.h"
  21
  22 #include "flash.h"
  23 #include "target.h"
  24 #include "log.h"
  25 #include "armv4_5.h"
  26 #include "algorithm.h"
  27 #include "binarybuffer.h"
  28
  29 #include <stdlib.h>
  30 #include <string.h>
  31
  32 /* flash programming support for Philips LPC2xxx devices
  33  * currently supported devices:
  34  * variant 1 (lpc2000_v1):
  35  * - 2104|5|6
  36  * - 2114|9
  37  * - 2124|9
  38  * - 2194
  39  * - 2212|4
  40  * - 2292|4
  41  *
  42  * variant 2 (lpc2000_v2):
  43  * - 213x
  44  * - 214x
  45  */
  46
  47 int lpc2000_register_commands(struct command_context_s *cmd_ctx);
  48 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
  49 int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
  50 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
  51 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
  52 int lpc2000_probe(struct flash_bank_s *bank);
  53 int lpc2000_erase_check(struct flash_bank_s *bank);
  54 int lpc2000_protect_check(struct flash_bank_s *bank);
  55 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
  56
  57 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58
  59 flash_driver_t lpc2000_flash =
  60 {
  61         .name = "lpc2000",
  62         .register_commands = lpc2000_register_commands,
  63         .flash_bank_command = lpc2000_flash_bank_command,
  64         .erase = lpc2000_erase,
  65         .protect = lpc2000_protect,
  66         .write = lpc2000_write,
  67         .probe = lpc2000_probe,
  68         .erase_check = lpc2000_erase_check,
  69         .protect_check = lpc2000_protect_check,
  70         .info = lpc2000_info
  71 };
  72
  73 int lpc2000_register_commands(struct command_context_s *cmd_ctx)
  74 {
  75         command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
  76
  77         register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
  78                                          "print part id of lpc2000 flash bank <num>");
  79
  80         return ERROR_OK;
  81 }
  82
  83 int lpc2000_build_sector_list(struct flash_bank_s *bank)
  84 {
  85         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
  86
  87         if (lpc2000_info->variant == 1)
  88         {
  89                 int i = 0;
  90                 u32 offset = 0;
  91
  92                 /* variant 1 has different layout for 128kb and 256kb flashes */
  93                 if (bank->size == 128 * 1024)
  94                 {
  95                         bank->num_sectors = 16;
  96                         bank->sectors = malloc(sizeof(flash_sector_t) * 16);
  97                         for (i = 0; i < 16; i++)
  98                         {
  99                                 bank->sectors[i].offset = offset;
 100                                 bank->sectors[i].size = 8 * 1024;
 101                                 offset += bank->sectors[i].size;
 102                                 bank->sectors[i].is_erased = -1;
 103                                 bank->sectors[i].is_protected = 1;
 104                         }
 105                 }
 106                 else if (bank->size == 256 * 1024)
 107                 {
 108                         bank->num_sectors = 18;
 109                         bank->sectors = malloc(sizeof(flash_sector_t) * 18);
 110
 111                         for (i = 0; i < 8; i++)
 112                         {
 113                                 bank->sectors[i].offset = offset;
 114                                 bank->sectors[i].size = 8 * 1024;
 115                                 offset += bank->sectors[i].size;
 116                                 bank->sectors[i].is_erased = -1;
 117                                 bank->sectors[i].is_protected = 1;
 118                         }
 119                         for (i = 8; i < 10; i++)
 120                         {
 121                                 bank->sectors[i].offset = offset;
 122                                 bank->sectors[i].size = 64 * 1024;
 123                                 offset += bank->sectors[i].size;
 124                                 bank->sectors[i].is_erased = -1;
 125                                 bank->sectors[i].is_protected = 1;
 126                         }
 127                         for (i = 10; i < 18; i++)
 128                         {
 129                                 bank->sectors[i].offset = offset;
 130                                 bank->sectors[i].size = 8 * 1024;
 131                                 offset += bank->sectors[i].size;
 132                                 bank->sectors[i].is_erased = -1;
 133                                 bank->sectors[i].is_protected = 1;
 134                         }
 135                 }
 136                 else
 137                 {
 138                         ERROR("BUG: unknown bank->size encountered");
 139                         exit(-1);
 140                 }
 141         }
 142         else if (lpc2000_info->variant == 2)
 143         {
 144                 int num_sectors;
 145                 int i;
 146                 u32 offset = 0;
 147
 148                 /* variant 2 has a uniform layout, only number of sectors differs */
 149                 switch (bank->size)
 150                 {
 151                         case 32 * 1024:
 152                                 num_sectors = 8;
 153                                 break;
 154                         case 64 * 1024:
 155                                 num_sectors = 9;
 156                                 break;
 157                         case 128 * 1024:
 158                                 num_sectors = 11;
 159                                 break;
 160                         case 256 * 1024:
 161                                 num_sectors = 15;
 162                                 break;
 163                         case 500 * 1024:
 164                                 num_sectors = 27;
 165                                 break;
 166                         default:
 167                                 ERROR("BUG: unknown bank->size encountered");
 168                                 exit(-1);
 169                                 break;
 170                 }
 171
 172                 bank->num_sectors = num_sectors;
 173                 bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
 174
 175                 for (i = 0; i < num_sectors; i++)
 176                 {
 177                         if ((i >= 0) && (i < 8))
 178                         {
 179                                 bank->sectors[i].offset = offset;
 180                                 bank->sectors[i].size = 4 * 1024;
 181                                 offset += bank->sectors[i].size;
 182                                 bank->sectors[i].is_erased = -1;
 183                                 bank->sectors[i].is_protected = 1;
 184                         }
 185                         if ((i >= 8) && (i < 22))
 186                         {
 187                                 bank->sectors[i].offset = offset;
 188                                 bank->sectors[i].size = 32 * 1024;
 189                                 offset += bank->sectors[i].size;
 190                                 bank->sectors[i].is_erased = -1;
 191                                 bank->sectors[i].is_protected = 1;
 192                         }
 193                         if ((i >= 22) && (i < 27))
 194                         {
 195                                 bank->sectors[i].offset = offset;
 196                                 bank->sectors[i].size = 4 * 1024;
 197                                 offset += bank->sectors[i].size;
 198                                 bank->sectors[i].is_erased = -1;
 199                                 bank->sectors[i].is_protected = 1;
 200                         }
 201                 }
 202         }
 203         else
 204         {
 205                 ERROR("BUG: unknown lpc2000_info->variant encountered");
 206                 exit(-1);
 207         }
 208
 209         return ERROR_OK;
 210 }
 211
 212 /* call LPC2000 IAP function
 213  * uses 172 bytes working area
 214  * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
 215  * 0x8 to 0x1f: command parameter table
 216  * 0x20 to 0x2b: command result table
 217  * 0x2c to 0xac: stack (only 128b needed)
 218  */
 219 int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
 220 {
 221         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 222         target_t *target = lpc2000_info->target;
 223         mem_param_t mem_params[2];
 224         reg_param_t reg_params[5];
 225         armv4_5_algorithm_t armv4_5_info;
 226         u32 status_code;
 227
 228         /* regrab previously allocated working_area, or allocate a new one */
 229         if (!lpc2000_info->iap_working_area)
 230         {
 231                 u8 jump_gate[8];
 232
 233                 /* make sure we have a working area */
 234                 if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
 235                 {
 236                         ERROR("no working area specified, can't write LPC2000 internal flash");
 237                         return ERROR_FLASH_OPERATION_FAILED;
 238                 }
 239
 240                 /* write IAP code to working area */
 241                 buf_set_u32(jump_gate, 0, 32, ARMV4_5_BX(12));
 242                 buf_set_u32(jump_gate, 32, 32, 0xeafffffe);
 243                 target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, (u8*)jump_gate);
 244         }
 245
 246         armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
 247         armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
 248         armv4_5_info.core_state = ARMV4_5_STATE_ARM;
 249
 250         /* command parameter table */
 251         init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
 252         buf_set_u32(mem_params[0].value, 0, 32, code);
 253         buf_set_u32(mem_params[0].value, 32, 32, param_table[0]);
 254         buf_set_u32(mem_params[0].value, 64, 32, param_table[1]);
 255         buf_set_u32(mem_params[0].value, 96, 32, param_table[2]);
 256         buf_set_u32(mem_params[0].value, 128, 32, param_table[3]);
 257         buf_set_u32(mem_params[0].value, 160, 32, param_table[4]);
 258
 259         init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
 260         buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
 261
 262         /* command result table */
 263         init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
 264
 265         init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
 266         buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
 267
 268         /* IAP entry point */
 269         init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
 270         buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
 271
 272         /* IAP stack */
 273         init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
 274         buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
 275
 276         /* return address */
 277         init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
 278         buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
 279
 280         target->type->run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
 281
 282         status_code = buf_get_u32(mem_params[1].value, 0, 32);
 283         result_table[0] = buf_get_u32(mem_params[1].value, 32, 32);
 284         result_table[1] = buf_get_u32(mem_params[1].value, 64, 32);
 285
 286         destroy_mem_param(&mem_params[0]);
 287         destroy_mem_param(&mem_params[1]);
 288
 289         destroy_reg_param(&reg_params[0]);
 290         destroy_reg_param(&reg_params[1]);
 291         destroy_reg_param(&reg_params[2]);
 292         destroy_reg_param(&reg_params[3]);
 293         destroy_reg_param(&reg_params[4]);
 294
 295         return status_code;
 296 }
 297
 298 int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
 299 {
 300         u32 param_table[5];
 301         u32 result_table[2];
 302         int status_code;
 303         int i;
 304
 305         if ((first < 0) || (last > bank->num_sectors))
 306                 return ERROR_FLASH_SECTOR_INVALID;
 307
 308         for (i = first; i <= last; i++)
 309         {
 310                 /* check single sector */
 311                 param_table[0] = param_table[1] = i;
 312                 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
 313
 314                 switch (status_code)
 315                 {
 316                         case ERROR_FLASH_OPERATION_FAILED:
 317                                 return ERROR_FLASH_OPERATION_FAILED;
 318                         case LPC2000_CMD_SUCCESS:
 319                                 bank->sectors[i].is_erased = 1;
 320                                 break;
 321                         case LPC2000_SECTOR_NOT_BLANK:
 322                                 bank->sectors[i].is_erased = 0;
 323                                 break;
 324                         case LPC2000_INVALID_SECTOR:
 325                                 bank->sectors[i].is_erased = 0;
 326                                 break;
 327                         case LPC2000_BUSY:
 328                                 return ERROR_FLASH_BUSY;
 329                                 break;
 330                         default:
 331                                 ERROR("BUG: unknown LPC2000 status code");
 332                                 exit(-1);
 333                 }
 334         }
 335
 336         return ERROR_OK;
 337 }
 338
 339 /* flash_bank lpc2000 <base> <size> 0 0 <lpc_variant> <target#> <cclk> [calc_checksum]
 340  */
 341 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 342 {
 343         lpc2000_flash_bank_t *lpc2000_info;
 344
 345         if (argc < 8)
 346         {
 347                 WARNING("incomplete flash_bank lpc2000 configuration");
 348                 return ERROR_FLASH_BANK_INVALID;
 349         }
 350
 351         lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
 352         bank->driver_priv = lpc2000_info;
 353
 354         if (strcmp(args[5], "lpc2000_v1") == 0)
 355         {
 356                 lpc2000_info->variant = 1;
 357                 lpc2000_info->cmd51_dst_boundary = 512;
 358                 lpc2000_info->cmd51_can_256b = 0;
 359                 lpc2000_info->cmd51_can_8192b = 1;
 360         }
 361         else if (strcmp(args[5], "lpc2000_v2") == 0)
 362         {
 363                 lpc2000_info->variant = 2;
 364                 lpc2000_info->cmd51_dst_boundary = 256;
 365                 lpc2000_info->cmd51_can_256b = 1;
 366                 lpc2000_info->cmd51_can_8192b = 0;
 367         }
 368         else
 369         {
 370                 ERROR("unknown LPC2000 variant");
 371                 free(lpc2000_info);
 372                 return ERROR_FLASH_BANK_INVALID;
 373         }
 374
 375         lpc2000_info->target = get_target_by_num(strtoul(args[6], NULL, 0));
 376         if (!lpc2000_info->target)
 377         {
 378                 ERROR("no target '%s' configured", args[6]);
 379                 exit(-1);
 380         }
 381         lpc2000_info->iap_working_area = NULL;
 382         lpc2000_info->cclk = strtoul(args[7], NULL, 0);
 383         lpc2000_info->calc_checksum = 0;
 384         lpc2000_build_sector_list(bank);
 385
 386
 387         if (argc >= 9)
 388         {
 389                 if (strcmp(args[8], "calc_checksum") == 0)
 390                         lpc2000_info->calc_checksum = 1;
 391         }
 392
 393         return ERROR_OK;
 394 }
 395
 396 int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
 397 {
 398         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 399         u32 param_table[5];
 400         u32 result_table[2];
 401         int status_code;
 402
 403         if (lpc2000_info->target->state != TARGET_HALTED)
 404         {
 405                 return ERROR_TARGET_NOT_HALTED;
 406         }
 407
 408         if ((first < 0) || (last < first) || (last >= bank->num_sectors))
 409         {
 410                 return ERROR_FLASH_SECTOR_INVALID;
 411         }
 412
 413         param_table[0] = first;
 414         param_table[1] = last;
 415         param_table[2] = lpc2000_info->cclk;
 416
 417         /* Prepare sectors */
 418         status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 419         switch (status_code)
 420         {
 421                 case ERROR_FLASH_OPERATION_FAILED:
 422                         return ERROR_FLASH_OPERATION_FAILED;
 423                 case LPC2000_CMD_SUCCESS:
 424                         break;
 425                 case LPC2000_INVALID_SECTOR:
 426                         return ERROR_FLASH_SECTOR_INVALID;
 427                         break;
 428                 default:
 429                         WARNING("lpc2000 prepare sectors returned %i", status_code);
 430                         return ERROR_FLASH_OPERATION_FAILED;
 431         }
 432
 433         /* Erase sectors */
 434         status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
 435         switch (status_code)
 436         {
 437                 case ERROR_FLASH_OPERATION_FAILED:
 438                         return ERROR_FLASH_OPERATION_FAILED;
 439                 case LPC2000_CMD_SUCCESS:
 440                         break;
 441                 case LPC2000_INVALID_SECTOR:
 442                         return ERROR_FLASH_SECTOR_INVALID;
 443                         break;
 444                 default:
 445                         WARNING("lpc2000 erase sectors returned %i", status_code);
 446                         return ERROR_FLASH_OPERATION_FAILED;
 447         }
 448
 449         return ERROR_OK;
 450 }
 451
 452 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
 453 {
 454         /* can't protect/unprotect on the lpc2000 */
 455         return ERROR_OK;
 456 }
 457
 458 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
 459 {
 460         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 461         target_t *target = lpc2000_info->target;
 462         u32 dst_min_alignment;
 463         u32 bytes_remaining = count;
 464         u32 bytes_written = 0;
 465         int first_sector = 0;
 466         int last_sector = 0;
 467         u32 param_table[5];
 468         u32 result_table[2];
 469         int status_code;
 470         int i;
 471         working_area_t *download_area;
 472
 473         if (lpc2000_info->target->state != TARGET_HALTED)
 474         {
 475                 return ERROR_TARGET_NOT_HALTED;
 476         }
 477
 478         /* allocate a working area */
 479         if (target_alloc_working_area(target, 4096, &download_area) != ERROR_OK)
 480         {
 481                 ERROR("no working area specified, can't write LPC2000 internal flash");
 482                 return ERROR_FLASH_OPERATION_FAILED;
 483         }
 484
 485         if (offset + count > bank->size)
 486                 return ERROR_FLASH_DST_OUT_OF_BANK;
 487
 488         if (lpc2000_info->cmd51_can_256b)
 489                 dst_min_alignment = 256;
 490         else
 491                 dst_min_alignment = 512;
 492
 493         if (offset % dst_min_alignment)
 494         {
 495                 WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
 496                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 497         }
 498
 499         for (i = 0; i < bank->num_sectors; i++)
 500         {
 501                 if (offset >= bank->sectors[i].offset)
 502                         first_sector = i;
 503                 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
 504                         last_sector = i;
 505         }
 506
 507         DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
 508
 509         /* check if exception vectors should be flashed */
 510         if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
 511         {
 512                 u32 checksum = 0;
 513                 int i = 0;
 514                 for (i = 0; i < 8; i++)
 515                 {
 516                         DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
 517                         if (i != 5)
 518                                 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
 519                 }
 520                 checksum = 0 - checksum;
 521                 DEBUG("checksum: 0x%8.8x", checksum);
 522                 buf_set_u32(buffer + 0x14, 0, 32, checksum);
 523         }
 524
 525         while (bytes_remaining > 0)
 526         {
 527                 u32 thisrun_bytes;
 528                 if (bytes_remaining >= 4096)
 529                         thisrun_bytes = 4096;
 530                 else if (bytes_remaining >= 1024)
 531                         thisrun_bytes = 1024;
 532                 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
 533                         thisrun_bytes = 512;
 534                 else
 535                         thisrun_bytes = 256;
 536
 537                 /* Prepare sectors */
 538                 param_table[0] = first_sector;
 539                 param_table[1] = last_sector;
 540                 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 541                 switch (status_code)
 542                 {
 543                         case ERROR_FLASH_OPERATION_FAILED:
 544                                 return ERROR_FLASH_OPERATION_FAILED;
 545                         case LPC2000_CMD_SUCCESS:
 546                                 break;
 547                         case LPC2000_INVALID_SECTOR:
 548                                 return ERROR_FLASH_SECTOR_INVALID;
 549                                 break;
 550                         default:
 551                                 WARNING("lpc2000 prepare sectors returned %i", status_code);
 552                                 return ERROR_FLASH_OPERATION_FAILED;
 553                 }
 554
 555                 if (bytes_remaining >= thisrun_bytes)
 556                 {
 557                         if (target_write_buffer(lpc2000_info->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)
 558                         {
 559                                 target_free_working_area(target, download_area);
 560                                 return ERROR_FLASH_OPERATION_FAILED;
 561                         }
 562                 }
 563                 else
 564                 {
 565                         u8 *last_buffer = malloc(thisrun_bytes);
 566                         int i;
 567                         memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
 568                         for (i = bytes_remaining; i < thisrun_bytes; i++)
 569                                 last_buffer[i] = 0xff;
 570                         target_write_buffer(lpc2000_info->target, download_area->address, thisrun_bytes, last_buffer);
 571                         free(last_buffer);
 572                 }
 573
 574                 DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
 575
 576                 /* Write data */
 577                 param_table[0] = bank->base + offset + bytes_written;
 578                 param_table[1] = download_area->address;
 579                 param_table[2] = thisrun_bytes;
 580                 param_table[3] = lpc2000_info->cclk;
 581                 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
 582                 switch (status_code)
 583                 {
 584                         case ERROR_FLASH_OPERATION_FAILED:
 585                                 return ERROR_FLASH_OPERATION_FAILED;
 586                         case LPC2000_CMD_SUCCESS:
 587                                 break;
 588                         case LPC2000_INVALID_SECTOR:
 589                                 return ERROR_FLASH_SECTOR_INVALID;
 590                                 break;
 591                         default:
 592                                 WARNING("lpc2000 returned %i", status_code);
 593                                 return ERROR_FLASH_OPERATION_FAILED;
 594                 }
 595
 596                 if (bytes_remaining > thisrun_bytes)
 597                         bytes_remaining -= thisrun_bytes;
 598                 else
 599                         bytes_remaining = 0;
 600                 bytes_written += thisrun_bytes;
 601         }
 602
 603         target_free_working_area(target, download_area);
 604
 605         return ERROR_OK;
 606 }
 607
 608 int lpc2000_probe(struct flash_bank_s *bank)
 609 {
 610         /* we can't probe on an lpc2000
 611          * if this is an lpc2xxx, it has the configured flash
 612          */
 613         return ERROR_OK;
 614 }
 615
 616 int lpc2000_erase_check(struct flash_bank_s *bank)
 617 {
 618         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 619
 620         if (lpc2000_info->target->state != TARGET_HALTED)
 621         {
 622                 return ERROR_TARGET_NOT_HALTED;
 623         }
 624
 625         return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
 626 }
 627
 628 int lpc2000_protect_check(struct flash_bank_s *bank)
 629 {
 630         /* sectors are always protected */
 631         return ERROR_OK;
 632 }
 633
 634 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
 635 {
 636         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 637
 638         snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
 639
 640         return ERROR_OK;
 641 }
 642
 643 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 644 {
 645         flash_bank_t *bank;
 646         u32 param_table[5];
 647         u32 result_table[2];
 648         int status_code;
 649         lpc2000_flash_bank_t *lpc2000_info;
 650
 651         if (argc < 1)
 652         {
 653                 command_print(cmd_ctx, "usage: lpc2000 part_id <num>");
 654                 return ERROR_OK;
 655         }
 656
 657         bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 658         if (!bank)
 659         {
 660                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 661                 return ERROR_OK;
 662         }
 663
 664         lpc2000_info = bank->driver_priv;
 665         if (lpc2000_info->target->state != TARGET_HALTED)
 666         {
 667                 return ERROR_TARGET_NOT_HALTED;
 668         }
 669
 670         if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
 671         {
 672                 if (status_code == ERROR_FLASH_OPERATION_FAILED)
 673                 {
 674                         command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
 675                         return ERROR_OK;
 676                 }
 677                 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
 678         }
 679         else
 680         {
 681                 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
 682         }
 683
 684         return ERROR_OK;
 685 }