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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "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         /* default to a 4096 write buffer */
  96         lpc2000_info->cmd51_max_buffer = 4096;
  97
  98         if (lpc2000_info->variant == 1)
  99         {
 100                 int i = 0;
 101                 u32 offset = 0;
 102
 103                 /* variant 1 has different layout for 128kb and 256kb flashes */
 104                 if (bank->size == 128 * 1024)
 105                 {
 106                         bank->num_sectors = 16;
 107                         bank->sectors = malloc(sizeof(flash_sector_t) * 16);
 108                         for (i = 0; i < 16; i++)
 109                         {
 110                                 bank->sectors[i].offset = offset;
 111                                 bank->sectors[i].size = 8 * 1024;
 112                                 offset += bank->sectors[i].size;
 113                                 bank->sectors[i].is_erased = -1;
 114                                 bank->sectors[i].is_protected = 1;
 115                         }
 116                 }
 117                 else if (bank->size == 256 * 1024)
 118                 {
 119                         bank->num_sectors = 18;
 120                         bank->sectors = malloc(sizeof(flash_sector_t) * 18);
 121
 122                         for (i = 0; i < 8; i++)
 123                         {
 124                                 bank->sectors[i].offset = offset;
 125                                 bank->sectors[i].size = 8 * 1024;
 126                                 offset += bank->sectors[i].size;
 127                                 bank->sectors[i].is_erased = -1;
 128                                 bank->sectors[i].is_protected = 1;
 129                         }
 130                         for (i = 8; i < 10; i++)
 131                         {
 132                                 bank->sectors[i].offset = offset;
 133                                 bank->sectors[i].size = 64 * 1024;
 134                                 offset += bank->sectors[i].size;
 135                                 bank->sectors[i].is_erased = -1;
 136                                 bank->sectors[i].is_protected = 1;
 137                         }
 138                         for (i = 10; i < 18; i++)
 139                         {
 140                                 bank->sectors[i].offset = offset;
 141                                 bank->sectors[i].size = 8 * 1024;
 142                                 offset += bank->sectors[i].size;
 143                                 bank->sectors[i].is_erased = -1;
 144                                 bank->sectors[i].is_protected = 1;
 145                         }
 146                 }
 147                 else
 148                 {
 149                         ERROR("BUG: unknown bank->size encountered");
 150                         exit(-1);
 151                 }
 152         }
 153         else if (lpc2000_info->variant == 2)
 154         {
 155                 int num_sectors;
 156                 int i;
 157                 u32 offset = 0;
 158
 159                 /* variant 2 has a uniform layout, only number of sectors differs */
 160                 switch (bank->size)
 161                 {
 162                         case 4 * 1024:
 163                                 lpc2000_info->cmd51_max_buffer = 1024;
 164                                 num_sectors = 1;
 165                                 break;
 166                         case 8 * 1024:
 167                                 lpc2000_info->cmd51_max_buffer = 1024;
 168                                 num_sectors = 2;
 169                                 break;
 170                         case 16 * 1024:
 171                                 num_sectors = 4;
 172                                 break;
 173                         case 32 * 1024:
 174                                 num_sectors = 8;
 175                                 break;
 176                         case 64 * 1024:
 177                                 num_sectors = 9;
 178                                 break;
 179                         case 128 * 1024:
 180                                 num_sectors = 11;
 181                                 break;
 182                         case 256 * 1024:
 183                                 num_sectors = 15;
 184                                 break;
 185                         case 512 * 1024:
 186                         case 500 * 1024:
 187                                 num_sectors = 27;
 188                                 break;
 189                         default:
 190                                 ERROR("BUG: unknown bank->size encountered");
 191                                 exit(-1);
 192                                 break;
 193                 }
 194
 195                 bank->num_sectors = num_sectors;
 196                 bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
 197
 198                 for (i = 0; i < num_sectors; i++)
 199                 {
 200                         if ((i >= 0) && (i < 8))
 201                         {
 202                                 bank->sectors[i].offset = offset;
 203                                 bank->sectors[i].size = 4 * 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 >= 8) && (i < 22))
 209                         {
 210                                 bank->sectors[i].offset = offset;
 211                                 bank->sectors[i].size = 32 * 1024;
 212                                 offset += bank->sectors[i].size;
 213                                 bank->sectors[i].is_erased = -1;
 214                                 bank->sectors[i].is_protected = 1;
 215                         }
 216                         if ((i >= 22) && (i < 27))
 217                         {
 218                                 bank->sectors[i].offset = offset;
 219                                 bank->sectors[i].size = 4 * 1024;
 220                                 offset += bank->sectors[i].size;
 221                                 bank->sectors[i].is_erased = -1;
 222                                 bank->sectors[i].is_protected = 1;
 223                         }
 224                 }
 225         }
 226         else
 227         {
 228                 ERROR("BUG: unknown lpc2000_info->variant encountered");
 229                 exit(-1);
 230         }
 231
 232         return ERROR_OK;
 233 }
 234
 235 /* call LPC2000 IAP function
 236  * uses 172 bytes working area
 237  * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
 238  * 0x8 to 0x1f: command parameter table
 239  * 0x20 to 0x2b: command result table
 240  * 0x2c to 0xac: stack (only 128b needed)
 241  */
 242 int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
 243 {
 244         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 245         target_t *target = bank->target;
 246         mem_param_t mem_params[2];
 247         reg_param_t reg_params[5];
 248         armv4_5_algorithm_t armv4_5_info;
 249         u32 status_code;
 250
 251         /* regrab previously allocated working_area, or allocate a new one */
 252         if (!lpc2000_info->iap_working_area)
 253         {
 254                 u8 jump_gate[8];
 255
 256                 /* make sure we have a working area */
 257                 if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
 258                 {
 259                         ERROR("no working area specified, can't write LPC2000 internal flash");
 260                         return ERROR_FLASH_OPERATION_FAILED;
 261                 }
 262
 263                 /* write IAP code to working area */
 264                 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
 265                 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
 266                 target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
 267         }
 268
 269         armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
 270         armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
 271         armv4_5_info.core_state = ARMV4_5_STATE_ARM;
 272
 273         /* command parameter table */
 274         init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
 275         target_buffer_set_u32(target, mem_params[0].value, code);
 276         target_buffer_set_u32(target, mem_params[0].value + 0x4, param_table[0]);
 277         target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);
 278         target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
 279         target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
 280         target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
 281
 282         init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
 283         buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
 284
 285         /* command result table */
 286         init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
 287
 288         init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
 289         buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
 290
 291         /* IAP entry point */
 292         init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
 293         buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
 294
 295         /* IAP stack */
 296         init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
 297         buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
 298
 299         /* return address */
 300         init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
 301         buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
 302
 303         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);
 304
 305         status_code = buf_get_u32(mem_params[1].value, 0, 32);
 306         result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
 307         result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
 308
 309         destroy_mem_param(&mem_params[0]);
 310         destroy_mem_param(&mem_params[1]);
 311
 312         destroy_reg_param(&reg_params[0]);
 313         destroy_reg_param(&reg_params[1]);
 314         destroy_reg_param(&reg_params[2]);
 315         destroy_reg_param(&reg_params[3]);
 316         destroy_reg_param(&reg_params[4]);
 317
 318         return status_code;
 319 }
 320
 321 int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
 322 {
 323         u32 param_table[5];
 324         u32 result_table[2];
 325         int status_code;
 326         int i;
 327
 328         if ((first < 0) || (last > bank->num_sectors))
 329                 return ERROR_FLASH_SECTOR_INVALID;
 330
 331         for (i = first; i <= last; i++)
 332         {
 333                 /* check single sector */
 334                 param_table[0] = param_table[1] = i;
 335                 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
 336
 337                 switch (status_code)
 338                 {
 339                         case ERROR_FLASH_OPERATION_FAILED:
 340                                 return ERROR_FLASH_OPERATION_FAILED;
 341                         case LPC2000_CMD_SUCCESS:
 342                                 bank->sectors[i].is_erased = 1;
 343                                 break;
 344                         case LPC2000_SECTOR_NOT_BLANK:
 345                                 bank->sectors[i].is_erased = 0;
 346                                 break;
 347                         case LPC2000_INVALID_SECTOR:
 348                                 bank->sectors[i].is_erased = 0;
 349                                 break;
 350                         case LPC2000_BUSY:
 351                                 return ERROR_FLASH_BUSY;
 352                                 break;
 353                         default:
 354                                 ERROR("BUG: unknown LPC2000 status code");
 355                                 exit(-1);
 356                 }
 357         }
 358
 359         return ERROR_OK;
 360 }
 361
 362 /* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
 363  */
 364 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 365 {
 366         lpc2000_flash_bank_t *lpc2000_info;
 367
 368         if (argc < 8)
 369         {
 370                 WARNING("incomplete flash_bank lpc2000 configuration");
 371                 return ERROR_FLASH_BANK_INVALID;
 372         }
 373
 374         lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
 375         bank->driver_priv = lpc2000_info;
 376
 377         if (strcmp(args[6], "lpc2000_v1") == 0)
 378         {
 379                 lpc2000_info->variant = 1;
 380                 lpc2000_info->cmd51_dst_boundary = 512;
 381                 lpc2000_info->cmd51_can_256b = 0;
 382                 lpc2000_info->cmd51_can_8192b = 1;
 383         }
 384         else if (strcmp(args[6], "lpc2000_v2") == 0)
 385         {
 386                 lpc2000_info->variant = 2;
 387                 lpc2000_info->cmd51_dst_boundary = 256;
 388                 lpc2000_info->cmd51_can_256b = 1;
 389                 lpc2000_info->cmd51_can_8192b = 0;
 390         }
 391         else
 392         {
 393                 ERROR("unknown LPC2000 variant");
 394                 free(lpc2000_info);
 395                 return ERROR_FLASH_BANK_INVALID;
 396         }
 397
 398         lpc2000_info->iap_working_area = NULL;
 399         lpc2000_info->cclk = strtoul(args[7], NULL, 0);
 400         lpc2000_info->calc_checksum = 0;
 401         lpc2000_build_sector_list(bank);
 402
 403         if (argc >= 9)
 404         {
 405                 if (strcmp(args[8], "calc_checksum") == 0)
 406                         lpc2000_info->calc_checksum = 1;
 407         }
 408
 409         return ERROR_OK;
 410 }
 411
 412 int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
 413 {
 414         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 415         u32 param_table[5];
 416         u32 result_table[2];
 417         int status_code;
 418
 419         if (bank->target->state != TARGET_HALTED)
 420         {
 421                 return ERROR_TARGET_NOT_HALTED;
 422         }
 423
 424         if ((first < 0) || (last < first) || (last >= bank->num_sectors))
 425         {
 426                 return ERROR_FLASH_SECTOR_INVALID;
 427         }
 428
 429         param_table[0] = first;
 430         param_table[1] = last;
 431         param_table[2] = lpc2000_info->cclk;
 432
 433         /* Prepare sectors */
 434         status_code = lpc2000_iap_call(bank, 50, 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 prepare sectors returned %i", status_code);
 446                         return ERROR_FLASH_OPERATION_FAILED;
 447         }
 448
 449         /* Erase sectors */
 450         status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
 451         switch (status_code)
 452         {
 453                 case ERROR_FLASH_OPERATION_FAILED:
 454                         return ERROR_FLASH_OPERATION_FAILED;
 455                 case LPC2000_CMD_SUCCESS:
 456                         break;
 457                 case LPC2000_INVALID_SECTOR:
 458                         return ERROR_FLASH_SECTOR_INVALID;
 459                         break;
 460                 default:
 461                         WARNING("lpc2000 erase sectors returned %i", status_code);
 462                         return ERROR_FLASH_OPERATION_FAILED;
 463         }
 464
 465         return ERROR_OK;
 466 }
 467
 468 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
 469 {
 470         /* can't protect/unprotect on the lpc2000 */
 471         return ERROR_OK;
 472 }
 473
 474 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
 475 {
 476         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 477         target_t *target = bank->target;
 478         u32 dst_min_alignment;
 479         u32 bytes_remaining = count;
 480         u32 bytes_written = 0;
 481         int first_sector = 0;
 482         int last_sector = 0;
 483         u32 param_table[5];
 484         u32 result_table[2];
 485         int status_code;
 486         int i;
 487         working_area_t *download_area;
 488
 489         if (bank->target->state != TARGET_HALTED)
 490         {
 491                 return ERROR_TARGET_NOT_HALTED;
 492         }
 493
 494         /* allocate a working area */
 495         if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
 496         {
 497                 ERROR("no working area specified, can't write LPC2000 internal flash");
 498                 return ERROR_FLASH_OPERATION_FAILED;
 499         }
 500
 501         if (offset + count > bank->size)
 502                 return ERROR_FLASH_DST_OUT_OF_BANK;
 503
 504         if (lpc2000_info->cmd51_can_256b)
 505                 dst_min_alignment = 256;
 506         else
 507                 dst_min_alignment = 512;
 508
 509         if (offset % dst_min_alignment)
 510         {
 511                 WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
 512                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 513         }
 514
 515         for (i = 0; i < bank->num_sectors; i++)
 516         {
 517                 if (offset >= bank->sectors[i].offset)
 518                         first_sector = i;
 519                 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
 520                         last_sector = i;
 521         }
 522
 523         DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
 524
 525         /* check if exception vectors should be flashed */
 526         if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
 527         {
 528                 u32 checksum = 0;
 529                 int i = 0;
 530                 for (i = 0; i < 8; i++)
 531                 {
 532                         DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
 533                         if (i != 5)
 534                                 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
 535                 }
 536                 checksum = 0 - checksum;
 537                 DEBUG("checksum: 0x%8.8x", checksum);
 538                 buf_set_u32(buffer + 0x14, 0, 32, checksum);
 539         }
 540
 541         while (bytes_remaining > 0)
 542         {
 543                 u32 thisrun_bytes;
 544                 if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
 545                         thisrun_bytes = lpc2000_info->cmd51_max_buffer;
 546                 else if (bytes_remaining >= 1024)
 547                         thisrun_bytes = 1024;
 548                 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
 549                         thisrun_bytes = 512;
 550                 else
 551                         thisrun_bytes = 256;
 552
 553                 /* Prepare sectors */
 554                 param_table[0] = first_sector;
 555                 param_table[1] = last_sector;
 556                 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 557                 switch (status_code)
 558                 {
 559                         case ERROR_FLASH_OPERATION_FAILED:
 560                                 return ERROR_FLASH_OPERATION_FAILED;
 561                         case LPC2000_CMD_SUCCESS:
 562                                 break;
 563                         case LPC2000_INVALID_SECTOR:
 564                                 return ERROR_FLASH_SECTOR_INVALID;
 565                                 break;
 566                         default:
 567                                 WARNING("lpc2000 prepare sectors returned %i", status_code);
 568                                 return ERROR_FLASH_OPERATION_FAILED;
 569                 }
 570
 571                 if (bytes_remaining >= thisrun_bytes)
 572                 {
 573                         if (target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)
 574                         {
 575                                 target_free_working_area(target, download_area);
 576                                 return ERROR_FLASH_OPERATION_FAILED;
 577                         }
 578                 }
 579                 else
 580                 {
 581                         u8 *last_buffer = malloc(thisrun_bytes);
 582                         int i;
 583                         memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
 584                         for (i = bytes_remaining; i < thisrun_bytes; i++)
 585                                 last_buffer[i] = 0xff;
 586                         target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
 587                         free(last_buffer);
 588                 }
 589
 590                 DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
 591
 592                 /* Write data */
 593                 param_table[0] = bank->base + offset + bytes_written;
 594                 param_table[1] = download_area->address;
 595                 param_table[2] = thisrun_bytes;
 596                 param_table[3] = lpc2000_info->cclk;
 597                 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
 598                 switch (status_code)
 599                 {
 600                         case ERROR_FLASH_OPERATION_FAILED:
 601                                 return ERROR_FLASH_OPERATION_FAILED;
 602                         case LPC2000_CMD_SUCCESS:
 603                                 break;
 604                         case LPC2000_INVALID_SECTOR:
 605                                 return ERROR_FLASH_SECTOR_INVALID;
 606                                 break;
 607                         default:
 608                                 WARNING("lpc2000 returned %i", status_code);
 609                                 return ERROR_FLASH_OPERATION_FAILED;
 610                 }
 611
 612                 if (bytes_remaining > thisrun_bytes)
 613                         bytes_remaining -= thisrun_bytes;
 614                 else
 615                         bytes_remaining = 0;
 616                 bytes_written += thisrun_bytes;
 617         }
 618
 619         target_free_working_area(target, download_area);
 620
 621         return ERROR_OK;
 622 }
 623
 624 int lpc2000_probe(struct flash_bank_s *bank)
 625 {
 626         /* we can't probe on an lpc2000
 627          * if this is an lpc2xxx, it has the configured flash
 628          */
 629         return ERROR_OK;
 630 }
 631
 632 int lpc2000_erase_check(struct flash_bank_s *bank)
 633 {
 634         if (bank->target->state != TARGET_HALTED)
 635         {
 636                 return ERROR_TARGET_NOT_HALTED;
 637         }
 638
 639         return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
 640 }
 641
 642 int lpc2000_protect_check(struct flash_bank_s *bank)
 643 {
 644         /* sectors are always protected */
 645         return ERROR_OK;
 646 }
 647
 648 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
 649 {
 650         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 651
 652         snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
 653
 654         return ERROR_OK;
 655 }
 656
 657 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 658 {
 659         flash_bank_t *bank;
 660         u32 param_table[5];
 661         u32 result_table[2];
 662         int status_code;
 663         lpc2000_flash_bank_t *lpc2000_info;
 664
 665         if (argc < 1)
 666         {
 667                 command_print(cmd_ctx, "usage: lpc2000 part_id <num>");
 668                 return ERROR_OK;
 669         }
 670
 671         bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 672         if (!bank)
 673         {
 674                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 675                 return ERROR_OK;
 676         }
 677
 678         lpc2000_info = bank->driver_priv;
 679         if (bank->target->state != TARGET_HALTED)
 680         {
 681                 return ERROR_TARGET_NOT_HALTED;
 682         }
 683
 684         if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
 685         {
 686                 if (status_code == ERROR_FLASH_OPERATION_FAILED)
 687                 {
 688                         command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
 689                         return ERROR_OK;
 690                 }
 691                 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
 692         }
 693         else
 694         {
 695                 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
 696         }
 697
 698         return ERROR_OK;
 699 }