git.sur5r.net Git - 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 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "lpc2000.h"
  25
  26 #include "flash.h"
  27 #include "target.h"
  28 #include "log.h"
  29 #include "armv4_5.h"
  30 #include "algorithm.h"
  31 #include "binarybuffer.h"
  32
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 /* flash programming support for Philips LPC2xxx devices
  37  * currently supported devices:
  38  * variant 1 (lpc2000_v1):
  39  * - 2104|5|6
  40  * - 2114|9
  41  * - 2124|9
  42  * - 2194
  43  * - 2212|4
  44  * - 2292|4
  45  *
  46  * variant 2 (lpc2000_v2):
  47  * - 213x
  48  * - 214x
  49  * - 2101|2|3
  50  * - 2364|6|8
  51  * - 2378
  52  */
  53
  54 int lpc2000_register_commands(struct command_context_s *cmd_ctx);
  55 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
  56 int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
  57 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
  58 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
  59 int lpc2000_probe(struct flash_bank_s *bank);
  60 int lpc2000_erase_check(struct flash_bank_s *bank);
  61 int lpc2000_protect_check(struct flash_bank_s *bank);
  62 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
  63
  64 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65
  66 flash_driver_t lpc2000_flash =
  67 {
  68         .name = "lpc2000",
  69         .register_commands = lpc2000_register_commands,
  70         .flash_bank_command = lpc2000_flash_bank_command,
  71         .erase = lpc2000_erase,
  72         .protect = lpc2000_protect,
  73         .write = lpc2000_write,
  74         .probe = lpc2000_probe,
  75         .auto_probe = lpc2000_probe,
  76         .erase_check = lpc2000_erase_check,
  77         .protect_check = lpc2000_protect_check,
  78         .info = lpc2000_info
  79 };
  80
  81 int lpc2000_register_commands(struct command_context_s *cmd_ctx)
  82 {
  83         command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
  84
  85         register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
  86                                          "print part id of lpc2000 flash bank <num>");
  87
  88         return ERROR_OK;
  89 }
  90
  91 int lpc2000_build_sector_list(struct flash_bank_s *bank)
  92 {
  93         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
  94
  95         if (lpc2000_info->variant == 1)
  96         {
  97                 int i = 0;
  98                 u32 offset = 0;
  99
 100                 /* variant 1 has different layout for 128kb and 256kb flashes */
 101                 if (bank->size == 128 * 1024)
 102                 {
 103                         bank->num_sectors = 16;
 104                         bank->sectors = malloc(sizeof(flash_sector_t) * 16);
 105                         for (i = 0; i < 16; i++)
 106                         {
 107                                 bank->sectors[i].offset = offset;
 108                                 bank->sectors[i].size = 8 * 1024;
 109                                 offset += bank->sectors[i].size;
 110                                 bank->sectors[i].is_erased = -1;
 111                                 bank->sectors[i].is_protected = 1;
 112                         }
 113                 }
 114                 else if (bank->size == 256 * 1024)
 115                 {
 116                         bank->num_sectors = 18;
 117                         bank->sectors = malloc(sizeof(flash_sector_t) * 18);
 118
 119                         for (i = 0; i < 8; i++)
 120                         {
 121                                 bank->sectors[i].offset = offset;
 122                                 bank->sectors[i].size = 8 * 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 = 8; i < 10; i++)
 128                         {
 129                                 bank->sectors[i].offset = offset;
 130                                 bank->sectors[i].size = 64 * 1024;
 131                                 offset += bank->sectors[i].size;
 132                                 bank->sectors[i].is_erased = -1;
 133                                 bank->sectors[i].is_protected = 1;
 134                         }
 135                         for (i = 10; i < 18; i++)
 136                         {
 137                                 bank->sectors[i].offset = offset;
 138                                 bank->sectors[i].size = 8 * 1024;
 139                                 offset += bank->sectors[i].size;
 140                                 bank->sectors[i].is_erased = -1;
 141                                 bank->sectors[i].is_protected = 1;
 142                         }
 143                 }
 144                 else
 145                 {
 146                         ERROR("BUG: unknown bank->size encountered");
 147                         exit(-1);
 148                 }
 149         }
 150         else if (lpc2000_info->variant == 2)
 151         {
 152                 int num_sectors;
 153                 int i;
 154                 u32 offset = 0;
 155
 156                 /* variant 2 has a uniform layout, only number of sectors differs */
 157                 switch (bank->size)
 158                 {
 159                         case 8 * 1024:
 160                                 num_sectors = 2;
 161                                 break;
 162                         case 16 * 1024:
 163                                 num_sectors = 4;
 164                                 break;
 165                         case 32 * 1024:
 166                                 num_sectors = 8;
 167                                 break;
 168                         case 64 * 1024:
 169                                 num_sectors = 9;
 170                                 break;
 171                         case 128 * 1024:
 172                                 num_sectors = 11;
 173                                 break;
 174                         case 256 * 1024:
 175                                 num_sectors = 15;
 176                                 break;
 177                         case 512 * 1024:
 178                         case 500 * 1024:
 179                                 num_sectors = 27;
 180                                 break;
 181                         default:
 182                                 ERROR("BUG: unknown bank->size encountered");
 183                                 exit(-1);
 184                                 break;
 185                 }
 186
 187                 bank->num_sectors = num_sectors;
 188                 bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
 189
 190                 for (i = 0; i < num_sectors; i++)
 191                 {
 192                         if ((i >= 0) && (i < 8))
 193                         {
 194                                 bank->sectors[i].offset = offset;
 195                                 bank->sectors[i].size = 4 * 1024;
 196                                 offset += bank->sectors[i].size;
 197                                 bank->sectors[i].is_erased = -1;
 198                                 bank->sectors[i].is_protected = 1;
 199                         }
 200                         if ((i >= 8) && (i < 22))
 201                         {
 202                                 bank->sectors[i].offset = offset;
 203                                 bank->sectors[i].size = 32 * 1024;
 204                                 offset += bank->sectors[i].size;
 205                                 bank->sectors[i].is_erased = -1;
 206                                 bank->sectors[i].is_protected = 1;
 207                         }
 208                         if ((i >= 22) && (i < 27))
 209                         {
 210                                 bank->sectors[i].offset = offset;
 211                                 bank->sectors[i].size = 4 * 1024;
 212                                 offset += bank->sectors[i].size;
 213                                 bank->sectors[i].is_erased = -1;
 214                                 bank->sectors[i].is_protected = 1;
 215                         }
 216                 }
 217         }
 218         else
 219         {
 220                 ERROR("BUG: unknown lpc2000_info->variant encountered");
 221                 exit(-1);
 222         }
 223
 224         return ERROR_OK;
 225 }
 226
 227 /* call LPC2000 IAP function
 228  * uses 172 bytes working area
 229  * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
 230  * 0x8 to 0x1f: command parameter table
 231  * 0x20 to 0x2b: command result table
 232  * 0x2c to 0xac: stack (only 128b needed)
 233  */
 234 int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
 235 {
 236         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 237         target_t *target = bank->target;
 238         mem_param_t mem_params[2];
 239         reg_param_t reg_params[5];
 240         armv4_5_algorithm_t armv4_5_info;
 241         u32 status_code;
 242
 243         /* regrab previously allocated working_area, or allocate a new one */
 244         if (!lpc2000_info->iap_working_area)
 245         {
 246                 u8 jump_gate[8];
 247
 248                 /* make sure we have a working area */
 249                 if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
 250                 {
 251                         ERROR("no working area specified, can't write LPC2000 internal flash");
 252                         return ERROR_FLASH_OPERATION_FAILED;
 253                 }
 254
 255                 /* write IAP code to working area */
 256                 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
 257                 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
 258                 target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
 259         }
 260
 261         armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
 262         armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
 263         armv4_5_info.core_state = ARMV4_5_STATE_ARM;
 264
 265         /* command parameter table */
 266         init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
 267         target_buffer_set_u32(target, mem_params[0].value, code);
 268         target_buffer_set_u32(target, mem_params[0].value + 0x4, param_table[0]);
 269         target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);
 270         target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
 271         target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
 272         target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
 273
 274         init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
 275         buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
 276
 277         /* command result table */
 278         init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
 279
 280         init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
 281         buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
 282
 283         /* IAP entry point */
 284         init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
 285         buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
 286
 287         /* IAP stack */
 288         init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
 289         buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
 290
 291         /* return address */
 292         init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
 293         buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
 294
 295         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);
 296
 297         status_code = buf_get_u32(mem_params[1].value, 0, 32);
 298         result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
 299         result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
 300
 301         destroy_mem_param(&mem_params[0]);
 302         destroy_mem_param(&mem_params[1]);
 303
 304         destroy_reg_param(&reg_params[0]);
 305         destroy_reg_param(&reg_params[1]);
 306         destroy_reg_param(&reg_params[2]);
 307         destroy_reg_param(&reg_params[3]);
 308         destroy_reg_param(&reg_params[4]);
 309
 310         return status_code;
 311 }
 312
 313 int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
 314 {
 315         u32 param_table[5];
 316         u32 result_table[2];
 317         int status_code;
 318         int i;
 319
 320         if ((first < 0) || (last > bank->num_sectors))
 321                 return ERROR_FLASH_SECTOR_INVALID;
 322
 323         for (i = first; i <= last; i++)
 324         {
 325                 /* check single sector */
 326                 param_table[0] = param_table[1] = i;
 327                 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
 328
 329                 switch (status_code)
 330                 {
 331                         case ERROR_FLASH_OPERATION_FAILED:
 332                                 return ERROR_FLASH_OPERATION_FAILED;
 333                         case LPC2000_CMD_SUCCESS:
 334                                 bank->sectors[i].is_erased = 1;
 335                                 break;
 336                         case LPC2000_SECTOR_NOT_BLANK:
 337                                 bank->sectors[i].is_erased = 0;
 338                                 break;
 339                         case LPC2000_INVALID_SECTOR:
 340                                 bank->sectors[i].is_erased = 0;
 341                                 break;
 342                         case LPC2000_BUSY:
 343                                 return ERROR_FLASH_BUSY;
 344                                 break;
 345                         default:
 346                                 ERROR("BUG: unknown LPC2000 status code");
 347                                 exit(-1);
 348                 }
 349         }
 350
 351         return ERROR_OK;
 352 }
 353
 354 /* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
 355  */
 356 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 357 {
 358         lpc2000_flash_bank_t *lpc2000_info;
 359
 360         if (argc < 8)
 361         {
 362                 WARNING("incomplete flash_bank lpc2000 configuration");
 363                 return ERROR_FLASH_BANK_INVALID;
 364         }
 365
 366         lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
 367         bank->driver_priv = lpc2000_info;
 368
 369         if (strcmp(args[6], "lpc2000_v1") == 0)
 370         {
 371                 lpc2000_info->variant = 1;
 372                 lpc2000_info->cmd51_dst_boundary = 512;
 373                 lpc2000_info->cmd51_can_256b = 0;
 374                 lpc2000_info->cmd51_can_8192b = 1;
 375         }
 376         else if (strcmp(args[6], "lpc2000_v2") == 0)
 377         {
 378                 lpc2000_info->variant = 2;
 379                 lpc2000_info->cmd51_dst_boundary = 256;
 380                 lpc2000_info->cmd51_can_256b = 1;
 381                 lpc2000_info->cmd51_can_8192b = 0;
 382         }
 383         else
 384         {
 385                 ERROR("unknown LPC2000 variant");
 386                 free(lpc2000_info);
 387                 return ERROR_FLASH_BANK_INVALID;
 388         }
 389
 390         lpc2000_info->iap_working_area = NULL;
 391         lpc2000_info->cclk = strtoul(args[7], NULL, 0);
 392         lpc2000_info->calc_checksum = 0;
 393         lpc2000_build_sector_list(bank);
 394
 395         if (argc >= 9)
 396         {
 397                 if (strcmp(args[8], "calc_checksum") == 0)
 398                         lpc2000_info->calc_checksum = 1;
 399         }
 400
 401         return ERROR_OK;
 402 }
 403
 404 int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
 405 {
 406         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 407         u32 param_table[5];
 408         u32 result_table[2];
 409         int status_code;
 410
 411         if (bank->target->state != TARGET_HALTED)
 412         {
 413                 return ERROR_TARGET_NOT_HALTED;
 414         }
 415
 416         if ((first < 0) || (last < first) || (last >= bank->num_sectors))
 417         {
 418                 return ERROR_FLASH_SECTOR_INVALID;
 419         }
 420
 421         param_table[0] = first;
 422         param_table[1] = last;
 423         param_table[2] = lpc2000_info->cclk;
 424
 425         /* Prepare sectors */
 426         status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 427         switch (status_code)
 428         {
 429                 case ERROR_FLASH_OPERATION_FAILED:
 430                         return ERROR_FLASH_OPERATION_FAILED;
 431                 case LPC2000_CMD_SUCCESS:
 432                         break;
 433                 case LPC2000_INVALID_SECTOR:
 434                         return ERROR_FLASH_SECTOR_INVALID;
 435                         break;
 436                 default:
 437                         WARNING("lpc2000 prepare sectors returned %i", status_code);
 438                         return ERROR_FLASH_OPERATION_FAILED;
 439         }
 440
 441         /* Erase sectors */
 442         status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
 443         switch (status_code)
 444         {
 445                 case ERROR_FLASH_OPERATION_FAILED:
 446                         return ERROR_FLASH_OPERATION_FAILED;
 447                 case LPC2000_CMD_SUCCESS:
 448                         break;
 449                 case LPC2000_INVALID_SECTOR:
 450                         return ERROR_FLASH_SECTOR_INVALID;
 451                         break;
 452                 default:
 453                         WARNING("lpc2000 erase sectors returned %i", status_code);
 454                         return ERROR_FLASH_OPERATION_FAILED;
 455         }
 456
 457         return ERROR_OK;
 458 }
 459
 460 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
 461 {
 462         /* can't protect/unprotect on the lpc2000 */
 463         return ERROR_OK;
 464 }
 465
 466 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
 467 {
 468         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 469         target_t *target = bank->target;
 470         u32 dst_min_alignment;
 471         u32 bytes_remaining = count;
 472         u32 bytes_written = 0;
 473         int first_sector = 0;
 474         int last_sector = 0;
 475         u32 param_table[5];
 476         u32 result_table[2];
 477         int status_code;
 478         int i;
 479         working_area_t *download_area;
 480
 481         if (bank->target->state != TARGET_HALTED)
 482         {
 483                 return ERROR_TARGET_NOT_HALTED;
 484         }
 485
 486         /* allocate a working area */
 487         if (target_alloc_working_area(target, 4096, &download_area) != ERROR_OK)
 488         {
 489                 ERROR("no working area specified, can't write LPC2000 internal flash");
 490                 return ERROR_FLASH_OPERATION_FAILED;
 491         }
 492
 493         if (offset + count > bank->size)
 494                 return ERROR_FLASH_DST_OUT_OF_BANK;
 495
 496         if (lpc2000_info->cmd51_can_256b)
 497                 dst_min_alignment = 256;
 498         else
 499                 dst_min_alignment = 512;
 500
 501         if (offset % dst_min_alignment)
 502         {
 503                 WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
 504                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 505         }
 506
 507         for (i = 0; i < bank->num_sectors; i++)
 508         {
 509                 if (offset >= bank->sectors[i].offset)
 510                         first_sector = i;
 511                 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
 512                         last_sector = i;
 513         }
 514
 515         DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
 516
 517         /* check if exception vectors should be flashed */
 518         if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
 519         {
 520                 u32 checksum = 0;
 521                 int i = 0;
 522                 for (i = 0; i < 8; i++)
 523                 {
 524                         DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
 525                         if (i != 5)
 526                                 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
 527                 }
 528                 checksum = 0 - checksum;
 529                 DEBUG("checksum: 0x%8.8x", checksum);
 530                 buf_set_u32(buffer + 0x14, 0, 32, checksum);
 531         }
 532
 533         while (bytes_remaining > 0)
 534         {
 535                 u32 thisrun_bytes;
 536                 if (bytes_remaining >= 4096)
 537                         thisrun_bytes = 4096;
 538                 else if (bytes_remaining >= 1024)
 539                         thisrun_bytes = 1024;
 540                 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
 541                         thisrun_bytes = 512;
 542                 else
 543                         thisrun_bytes = 256;
 544
 545                 /* Prepare sectors */
 546                 param_table[0] = first_sector;
 547                 param_table[1] = last_sector;
 548                 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 549                 switch (status_code)
 550                 {
 551                         case ERROR_FLASH_OPERATION_FAILED:
 552                                 return ERROR_FLASH_OPERATION_FAILED;
 553                         case LPC2000_CMD_SUCCESS:
 554                                 break;
 555                         case LPC2000_INVALID_SECTOR:
 556                                 return ERROR_FLASH_SECTOR_INVALID;
 557                                 break;
 558                         default:
 559                                 WARNING("lpc2000 prepare sectors returned %i", status_code);
 560                                 return ERROR_FLASH_OPERATION_FAILED;
 561                 }
 562
 563                 if (bytes_remaining >= thisrun_bytes)
 564                 {
 565                         if (target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)
 566                         {
 567                                 target_free_working_area(target, download_area);
 568                                 return ERROR_FLASH_OPERATION_FAILED;
 569                         }
 570                 }
 571                 else
 572                 {
 573                         u8 *last_buffer = malloc(thisrun_bytes);
 574                         int i;
 575                         memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
 576                         for (i = bytes_remaining; i < thisrun_bytes; i++)
 577                                 last_buffer[i] = 0xff;
 578                         target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
 579                         free(last_buffer);
 580                 }
 581
 582                 DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
 583
 584                 /* Write data */
 585                 param_table[0] = bank->base + offset + bytes_written;
 586                 param_table[1] = download_area->address;
 587                 param_table[2] = thisrun_bytes;
 588                 param_table[3] = lpc2000_info->cclk;
 589                 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
 590                 switch (status_code)
 591                 {
 592                         case ERROR_FLASH_OPERATION_FAILED:
 593                                 return ERROR_FLASH_OPERATION_FAILED;
 594                         case LPC2000_CMD_SUCCESS:
 595                                 break;
 596                         case LPC2000_INVALID_SECTOR:
 597                                 return ERROR_FLASH_SECTOR_INVALID;
 598                                 break;
 599                         default:
 600                                 WARNING("lpc2000 returned %i", status_code);
 601                                 return ERROR_FLASH_OPERATION_FAILED;
 602                 }
 603
 604                 if (bytes_remaining > thisrun_bytes)
 605                         bytes_remaining -= thisrun_bytes;
 606                 else
 607                         bytes_remaining = 0;
 608                 bytes_written += thisrun_bytes;
 609         }
 610
 611         target_free_working_area(target, download_area);
 612
 613         return ERROR_OK;
 614 }
 615
 616 int lpc2000_probe(struct flash_bank_s *bank)
 617 {
 618         /* we can't probe on an lpc2000
 619          * if this is an lpc2xxx, it has the configured flash
 620          */
 621         return ERROR_OK;
 622 }
 623
 624 int lpc2000_erase_check(struct flash_bank_s *bank)
 625 {
 626         if (bank->target->state != TARGET_HALTED)
 627         {
 628                 return ERROR_TARGET_NOT_HALTED;
 629         }
 630
 631         return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
 632 }
 633
 634 int lpc2000_protect_check(struct flash_bank_s *bank)
 635 {
 636         /* sectors are always protected */
 637         return ERROR_OK;
 638 }
 639
 640 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
 641 {
 642         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 643
 644         snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
 645
 646         return ERROR_OK;
 647 }
 648
 649 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 650 {
 651         flash_bank_t *bank;
 652         u32 param_table[5];
 653         u32 result_table[2];
 654         int status_code;
 655         lpc2000_flash_bank_t *lpc2000_info;
 656
 657         if (argc < 1)
 658         {
 659                 command_print(cmd_ctx, "usage: lpc2000 part_id <num>");
 660                 return ERROR_OK;
 661         }
 662
 663         bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 664         if (!bank)
 665         {
 666                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 667                 return ERROR_OK;
 668         }
 669
 670         lpc2000_info = bank->driver_priv;
 671         if (bank->target->state != TARGET_HALTED)
 672         {
 673                 return ERROR_TARGET_NOT_HALTED;
 674         }
 675
 676         if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
 677         {
 678                 if (status_code == ERROR_FLASH_OPERATION_FAILED)
 679                 {
 680                         command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
 681                         return ERROR_OK;
 682                 }
 683                 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
 684         }
 685         else
 686         {
 687                 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
 688         }
 689
 690         return ERROR_OK;
 691 }