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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         .erase_check = lpc2000_erase_check,
  76         .protect_check = lpc2000_protect_check,
  77         .info = lpc2000_info
  78 };
  79
  80 int lpc2000_register_commands(struct command_context_s *cmd_ctx)
  81 {
  82         command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
  83
  84         register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
  85                                          "print part id of lpc2000 flash bank <num>");
  86
  87         return ERROR_OK;
  88 }
  89
  90 int lpc2000_build_sector_list(struct flash_bank_s *bank)
  91 {
  92         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
  93
  94         if (lpc2000_info->variant == 1)
  95         {
  96                 int i = 0;
  97                 u32 offset = 0;
  98
  99                 /* variant 1 has different layout for 128kb and 256kb flashes */
 100                 if (bank->size == 128 * 1024)
 101                 {
 102                         bank->num_sectors = 16;
 103                         bank->sectors = malloc(sizeof(flash_sector_t) * 16);
 104                         for (i = 0; i < 16; i++)
 105                         {
 106                                 bank->sectors[i].offset = offset;
 107                                 bank->sectors[i].size = 8 * 1024;
 108                                 offset += bank->sectors[i].size;
 109                                 bank->sectors[i].is_erased = -1;
 110                                 bank->sectors[i].is_protected = 1;
 111                         }
 112                 }
 113                 else if (bank->size == 256 * 1024)
 114                 {
 115                         bank->num_sectors = 18;
 116                         bank->sectors = malloc(sizeof(flash_sector_t) * 18);
 117
 118                         for (i = 0; i < 8; i++)
 119                         {
 120                                 bank->sectors[i].offset = offset;
 121                                 bank->sectors[i].size = 8 * 1024;
 122                                 offset += bank->sectors[i].size;
 123                                 bank->sectors[i].is_erased = -1;
 124                                 bank->sectors[i].is_protected = 1;
 125                         }
 126                         for (i = 8; i < 10; i++)
 127                         {
 128                                 bank->sectors[i].offset = offset;
 129                                 bank->sectors[i].size = 64 * 1024;
 130                                 offset += bank->sectors[i].size;
 131                                 bank->sectors[i].is_erased = -1;
 132                                 bank->sectors[i].is_protected = 1;
 133                         }
 134                         for (i = 10; i < 18; i++)
 135                         {
 136                                 bank->sectors[i].offset = offset;
 137                                 bank->sectors[i].size = 8 * 1024;
 138                                 offset += bank->sectors[i].size;
 139                                 bank->sectors[i].is_erased = -1;
 140                                 bank->sectors[i].is_protected = 1;
 141                         }
 142                 }
 143                 else
 144                 {
 145                         ERROR("BUG: unknown bank->size encountered");
 146                         exit(-1);
 147                 }
 148         }
 149         else if (lpc2000_info->variant == 2)
 150         {
 151                 int num_sectors;
 152                 int i;
 153                 u32 offset = 0;
 154
 155                 /* variant 2 has a uniform layout, only number of sectors differs */
 156                 switch (bank->size)
 157                 {
 158                         case 8 * 1024:
 159                                 num_sectors = 2;
 160                                 break;
 161                         case 16 * 1024:
 162                                 num_sectors = 4;
 163                                 break;
 164                         case 32 * 1024:
 165                                 num_sectors = 8;
 166                                 break;
 167                         case 64 * 1024:
 168                                 num_sectors = 9;
 169                                 break;
 170                         case 128 * 1024:
 171                                 num_sectors = 11;
 172                                 break;
 173                         case 256 * 1024:
 174                                 num_sectors = 15;
 175                                 break;
 176                         case 512 * 1024:
 177                         case 500 * 1024:
 178                                 num_sectors = 27;
 179                                 break;
 180                         default:
 181                                 ERROR("BUG: unknown bank->size encountered");
 182                                 exit(-1);
 183                                 break;
 184                 }
 185
 186                 bank->num_sectors = num_sectors;
 187                 bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
 188
 189                 for (i = 0; i < num_sectors; i++)
 190                 {
 191                         if ((i >= 0) && (i < 8))
 192                         {
 193                                 bank->sectors[i].offset = offset;
 194                                 bank->sectors[i].size = 4 * 1024;
 195                                 offset += bank->sectors[i].size;
 196                                 bank->sectors[i].is_erased = -1;
 197                                 bank->sectors[i].is_protected = 1;
 198                         }
 199                         if ((i >= 8) && (i < 22))
 200                         {
 201                                 bank->sectors[i].offset = offset;
 202                                 bank->sectors[i].size = 32 * 1024;
 203                                 offset += bank->sectors[i].size;
 204                                 bank->sectors[i].is_erased = -1;
 205                                 bank->sectors[i].is_protected = 1;
 206                         }
 207                         if ((i >= 22) && (i < 27))
 208                         {
 209                                 bank->sectors[i].offset = offset;
 210                                 bank->sectors[i].size = 4 * 1024;
 211                                 offset += bank->sectors[i].size;
 212                                 bank->sectors[i].is_erased = -1;
 213                                 bank->sectors[i].is_protected = 1;
 214                         }
 215                 }
 216         }
 217         else
 218         {
 219                 ERROR("BUG: unknown lpc2000_info->variant encountered");
 220                 exit(-1);
 221         }
 222
 223         return ERROR_OK;
 224 }
 225
 226 /* call LPC2000 IAP function
 227  * uses 172 bytes working area
 228  * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
 229  * 0x8 to 0x1f: command parameter table
 230  * 0x20 to 0x2b: command result table
 231  * 0x2c to 0xac: stack (only 128b needed)
 232  */
 233 int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
 234 {
 235         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 236         target_t *target = bank->target;
 237         mem_param_t mem_params[2];
 238         reg_param_t reg_params[5];
 239         armv4_5_algorithm_t armv4_5_info;
 240         u32 status_code;
 241
 242         /* regrab previously allocated working_area, or allocate a new one */
 243         if (!lpc2000_info->iap_working_area)
 244         {
 245                 u8 jump_gate[8];
 246
 247                 /* make sure we have a working area */
 248                 if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
 249                 {
 250                         ERROR("no working area specified, can't write LPC2000 internal flash");
 251                         return ERROR_FLASH_OPERATION_FAILED;
 252                 }
 253
 254                 /* write IAP code to working area */
 255                 target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
 256                 target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
 257                 target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
 258         }
 259
 260         armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
 261         armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
 262         armv4_5_info.core_state = ARMV4_5_STATE_ARM;
 263
 264         /* command parameter table */
 265         init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
 266         target_buffer_set_u32(target, mem_params[0].value, code);
 267         target_buffer_set_u32(target, mem_params[0].value + 0x4, param_table[0]);
 268         target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);
 269         target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
 270         target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
 271         target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
 272
 273         init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
 274         buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
 275
 276         /* command result table */
 277         init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
 278
 279         init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
 280         buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
 281
 282         /* IAP entry point */
 283         init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
 284         buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
 285
 286         /* IAP stack */
 287         init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
 288         buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
 289
 290         /* return address */
 291         init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
 292         buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
 293
 294         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);
 295
 296         status_code = buf_get_u32(mem_params[1].value, 0, 32);
 297         result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
 298         result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
 299
 300         destroy_mem_param(&mem_params[0]);
 301         destroy_mem_param(&mem_params[1]);
 302
 303         destroy_reg_param(&reg_params[0]);
 304         destroy_reg_param(&reg_params[1]);
 305         destroy_reg_param(&reg_params[2]);
 306         destroy_reg_param(&reg_params[3]);
 307         destroy_reg_param(&reg_params[4]);
 308
 309         return status_code;
 310 }
 311
 312 int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
 313 {
 314         u32 param_table[5];
 315         u32 result_table[2];
 316         int status_code;
 317         int i;
 318
 319         if ((first < 0) || (last > bank->num_sectors))
 320                 return ERROR_FLASH_SECTOR_INVALID;
 321
 322         for (i = first; i <= last; i++)
 323         {
 324                 /* check single sector */
 325                 param_table[0] = param_table[1] = i;
 326                 status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
 327
 328                 switch (status_code)
 329                 {
 330                         case ERROR_FLASH_OPERATION_FAILED:
 331                                 return ERROR_FLASH_OPERATION_FAILED;
 332                         case LPC2000_CMD_SUCCESS:
 333                                 bank->sectors[i].is_erased = 1;
 334                                 break;
 335                         case LPC2000_SECTOR_NOT_BLANK:
 336                                 bank->sectors[i].is_erased = 0;
 337                                 break;
 338                         case LPC2000_INVALID_SECTOR:
 339                                 bank->sectors[i].is_erased = 0;
 340                                 break;
 341                         case LPC2000_BUSY:
 342                                 return ERROR_FLASH_BUSY;
 343                                 break;
 344                         default:
 345                                 ERROR("BUG: unknown LPC2000 status code");
 346                                 exit(-1);
 347                 }
 348         }
 349
 350         return ERROR_OK;
 351 }
 352
 353 /* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
 354  */
 355 int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 356 {
 357         lpc2000_flash_bank_t *lpc2000_info;
 358
 359         if (argc < 8)
 360         {
 361                 WARNING("incomplete flash_bank lpc2000 configuration");
 362                 return ERROR_FLASH_BANK_INVALID;
 363         }
 364
 365         lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
 366         bank->driver_priv = lpc2000_info;
 367
 368         if (strcmp(args[6], "lpc2000_v1") == 0)
 369         {
 370                 lpc2000_info->variant = 1;
 371                 lpc2000_info->cmd51_dst_boundary = 512;
 372                 lpc2000_info->cmd51_can_256b = 0;
 373                 lpc2000_info->cmd51_can_8192b = 1;
 374         }
 375         else if (strcmp(args[6], "lpc2000_v2") == 0)
 376         {
 377                 lpc2000_info->variant = 2;
 378                 lpc2000_info->cmd51_dst_boundary = 256;
 379                 lpc2000_info->cmd51_can_256b = 1;
 380                 lpc2000_info->cmd51_can_8192b = 0;
 381         }
 382         else
 383         {
 384                 ERROR("unknown LPC2000 variant");
 385                 free(lpc2000_info);
 386                 return ERROR_FLASH_BANK_INVALID;
 387         }
 388
 389         lpc2000_info->iap_working_area = NULL;
 390         lpc2000_info->cclk = strtoul(args[7], NULL, 0);
 391         lpc2000_info->calc_checksum = 0;
 392         lpc2000_build_sector_list(bank);
 393
 394         if (argc >= 9)
 395         {
 396                 if (strcmp(args[8], "calc_checksum") == 0)
 397                         lpc2000_info->calc_checksum = 1;
 398         }
 399
 400         return ERROR_OK;
 401 }
 402
 403 int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
 404 {
 405         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 406         u32 param_table[5];
 407         u32 result_table[2];
 408         int status_code;
 409
 410         if (bank->target->state != TARGET_HALTED)
 411         {
 412                 return ERROR_TARGET_NOT_HALTED;
 413         }
 414
 415         if ((first < 0) || (last < first) || (last >= bank->num_sectors))
 416         {
 417                 return ERROR_FLASH_SECTOR_INVALID;
 418         }
 419
 420         param_table[0] = first;
 421         param_table[1] = last;
 422         param_table[2] = lpc2000_info->cclk;
 423
 424         /* Prepare sectors */
 425         status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 426         switch (status_code)
 427         {
 428                 case ERROR_FLASH_OPERATION_FAILED:
 429                         return ERROR_FLASH_OPERATION_FAILED;
 430                 case LPC2000_CMD_SUCCESS:
 431                         break;
 432                 case LPC2000_INVALID_SECTOR:
 433                         return ERROR_FLASH_SECTOR_INVALID;
 434                         break;
 435                 default:
 436                         WARNING("lpc2000 prepare sectors returned %i", status_code);
 437                         return ERROR_FLASH_OPERATION_FAILED;
 438         }
 439
 440         /* Erase sectors */
 441         status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
 442         switch (status_code)
 443         {
 444                 case ERROR_FLASH_OPERATION_FAILED:
 445                         return ERROR_FLASH_OPERATION_FAILED;
 446                 case LPC2000_CMD_SUCCESS:
 447                         break;
 448                 case LPC2000_INVALID_SECTOR:
 449                         return ERROR_FLASH_SECTOR_INVALID;
 450                         break;
 451                 default:
 452                         WARNING("lpc2000 erase sectors returned %i", status_code);
 453                         return ERROR_FLASH_OPERATION_FAILED;
 454         }
 455
 456         return ERROR_OK;
 457 }
 458
 459 int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
 460 {
 461         /* can't protect/unprotect on the lpc2000 */
 462         return ERROR_OK;
 463 }
 464
 465 int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
 466 {
 467         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 468         target_t *target = bank->target;
 469         u32 dst_min_alignment;
 470         u32 bytes_remaining = count;
 471         u32 bytes_written = 0;
 472         int first_sector = 0;
 473         int last_sector = 0;
 474         u32 param_table[5];
 475         u32 result_table[2];
 476         int status_code;
 477         int i;
 478         working_area_t *download_area;
 479
 480         if (bank->target->state != TARGET_HALTED)
 481         {
 482                 return ERROR_TARGET_NOT_HALTED;
 483         }
 484
 485         /* allocate a working area */
 486         if (target_alloc_working_area(target, 4096, &download_area) != ERROR_OK)
 487         {
 488                 ERROR("no working area specified, can't write LPC2000 internal flash");
 489                 return ERROR_FLASH_OPERATION_FAILED;
 490         }
 491
 492         if (offset + count > bank->size)
 493                 return ERROR_FLASH_DST_OUT_OF_BANK;
 494
 495         if (lpc2000_info->cmd51_can_256b)
 496                 dst_min_alignment = 256;
 497         else
 498                 dst_min_alignment = 512;
 499
 500         if (offset % dst_min_alignment)
 501         {
 502                 WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
 503                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 504         }
 505
 506         for (i = 0; i < bank->num_sectors; i++)
 507         {
 508                 if (offset >= bank->sectors[i].offset)
 509                         first_sector = i;
 510                 if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
 511                         last_sector = i;
 512         }
 513
 514         DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
 515
 516         /* check if exception vectors should be flashed */
 517         if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
 518         {
 519                 u32 checksum = 0;
 520                 int i = 0;
 521                 for (i = 0; i < 8; i++)
 522                 {
 523                         DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
 524                         if (i != 5)
 525                                 checksum += buf_get_u32(buffer + (i * 4), 0, 32);
 526                 }
 527                 checksum = 0 - checksum;
 528                 DEBUG("checksum: 0x%8.8x", checksum);
 529                 buf_set_u32(buffer + 0x14, 0, 32, checksum);
 530         }
 531
 532         while (bytes_remaining > 0)
 533         {
 534                 u32 thisrun_bytes;
 535                 if (bytes_remaining >= 4096)
 536                         thisrun_bytes = 4096;
 537                 else if (bytes_remaining >= 1024)
 538                         thisrun_bytes = 1024;
 539                 else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
 540                         thisrun_bytes = 512;
 541                 else
 542                         thisrun_bytes = 256;
 543
 544                 /* Prepare sectors */
 545                 param_table[0] = first_sector;
 546                 param_table[1] = last_sector;
 547                 status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
 548                 switch (status_code)
 549                 {
 550                         case ERROR_FLASH_OPERATION_FAILED:
 551                                 return ERROR_FLASH_OPERATION_FAILED;
 552                         case LPC2000_CMD_SUCCESS:
 553                                 break;
 554                         case LPC2000_INVALID_SECTOR:
 555                                 return ERROR_FLASH_SECTOR_INVALID;
 556                                 break;
 557                         default:
 558                                 WARNING("lpc2000 prepare sectors returned %i", status_code);
 559                                 return ERROR_FLASH_OPERATION_FAILED;
 560                 }
 561
 562                 if (bytes_remaining >= thisrun_bytes)
 563                 {
 564                         if (target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)
 565                         {
 566                                 target_free_working_area(target, download_area);
 567                                 return ERROR_FLASH_OPERATION_FAILED;
 568                         }
 569                 }
 570                 else
 571                 {
 572                         u8 *last_buffer = malloc(thisrun_bytes);
 573                         int i;
 574                         memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
 575                         for (i = bytes_remaining; i < thisrun_bytes; i++)
 576                                 last_buffer[i] = 0xff;
 577                         target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
 578                         free(last_buffer);
 579                 }
 580
 581                 DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
 582
 583                 /* Write data */
 584                 param_table[0] = bank->base + offset + bytes_written;
 585                 param_table[1] = download_area->address;
 586                 param_table[2] = thisrun_bytes;
 587                 param_table[3] = lpc2000_info->cclk;
 588                 status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
 589                 switch (status_code)
 590                 {
 591                         case ERROR_FLASH_OPERATION_FAILED:
 592                                 return ERROR_FLASH_OPERATION_FAILED;
 593                         case LPC2000_CMD_SUCCESS:
 594                                 break;
 595                         case LPC2000_INVALID_SECTOR:
 596                                 return ERROR_FLASH_SECTOR_INVALID;
 597                                 break;
 598                         default:
 599                                 WARNING("lpc2000 returned %i", status_code);
 600                                 return ERROR_FLASH_OPERATION_FAILED;
 601                 }
 602
 603                 if (bytes_remaining > thisrun_bytes)
 604                         bytes_remaining -= thisrun_bytes;
 605                 else
 606                         bytes_remaining = 0;
 607                 bytes_written += thisrun_bytes;
 608         }
 609
 610         target_free_working_area(target, download_area);
 611
 612         return ERROR_OK;
 613 }
 614
 615 int lpc2000_probe(struct flash_bank_s *bank)
 616 {
 617         /* we can't probe on an lpc2000
 618          * if this is an lpc2xxx, it has the configured flash
 619          */
 620         return ERROR_OK;
 621 }
 622
 623 int lpc2000_erase_check(struct flash_bank_s *bank)
 624 {
 625         if (bank->target->state != TARGET_HALTED)
 626         {
 627                 return ERROR_TARGET_NOT_HALTED;
 628         }
 629
 630         return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
 631 }
 632
 633 int lpc2000_protect_check(struct flash_bank_s *bank)
 634 {
 635         /* sectors are always protected */
 636         return ERROR_OK;
 637 }
 638
 639 int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
 640 {
 641         lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 642
 643         snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
 644
 645         return ERROR_OK;
 646 }
 647
 648 int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 649 {
 650         flash_bank_t *bank;
 651         u32 param_table[5];
 652         u32 result_table[2];
 653         int status_code;
 654         lpc2000_flash_bank_t *lpc2000_info;
 655
 656         if (argc < 1)
 657         {
 658                 command_print(cmd_ctx, "usage: lpc2000 part_id <num>");
 659                 return ERROR_OK;
 660         }
 661
 662         bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 663         if (!bank)
 664         {
 665                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 666                 return ERROR_OK;
 667         }
 668
 669         lpc2000_info = bank->driver_priv;
 670         if (bank->target->state != TARGET_HALTED)
 671         {
 672                 return ERROR_TARGET_NOT_HALTED;
 673         }
 674
 675         if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
 676         {
 677                 if (status_code == ERROR_FLASH_OPERATION_FAILED)
 678                 {
 679                         command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
 680                         return ERROR_OK;
 681                 }
 682                 command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
 683         }
 684         else
 685         {
 686                 command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
 687         }
 688
 689         return ERROR_OK;
 690 }