-/***************************************************************************\r
- * Copyright (C) 2005 by Dominic Rath *\r
- * Dominic.Rath@gmx.de *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "lpc2000.h"\r
-\r
-#include "flash.h"\r
-#include "target.h"\r
-#include "log.h"\r
-#include "armv4_5.h"\r
-#include "algorithm.h"\r
-#include "binarybuffer.h"\r
-\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-/* flash programming support for Philips LPC2xxx devices\r
- * currently supported devices:\r
- * variant 1 (lpc2000_v1):\r
- * - 2104|5|6\r
- * - 2114|9\r
- * - 2124|9\r
- * - 2194\r
- * - 2212|4\r
- * - 2292|4\r
- *\r
- * variant 2 (lpc2000_v2):\r
- * - 213x\r
- * - 214x\r
- * - 2101|2|3\r
- * - 2364|6|8\r
- * - 2378\r
- */\r
-\r
-int lpc2000_register_commands(struct command_context_s *cmd_ctx);\r
-int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
-int lpc2000_erase(struct flash_bank_s *bank, int first, int last);\r
-int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);\r
-int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
-int lpc2000_probe(struct flash_bank_s *bank);\r
-int lpc2000_erase_check(struct flash_bank_s *bank);\r
-int lpc2000_protect_check(struct flash_bank_s *bank);\r
-int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
- \r
-int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-\r
-flash_driver_t lpc2000_flash =\r
-{\r
- .name = "lpc2000",\r
- .register_commands = lpc2000_register_commands,\r
- .flash_bank_command = lpc2000_flash_bank_command,\r
- .erase = lpc2000_erase,\r
- .protect = lpc2000_protect,\r
- .write = lpc2000_write,\r
- .probe = lpc2000_probe,\r
- .auto_probe = lpc2000_probe,\r
- .erase_check = lpc2000_erase_check,\r
- .protect_check = lpc2000_protect_check,\r
- .info = lpc2000_info\r
-};\r
-\r
-int lpc2000_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);\r
- \r
- register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,\r
- "print part id of lpc2000 flash bank <num>");\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_build_sector_list(struct flash_bank_s *bank)\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;\r
- \r
- /* default to a 4096 write buffer */\r
- lpc2000_info->cmd51_max_buffer = 4096;\r
- \r
- if (lpc2000_info->variant == 1)\r
- {\r
- int i = 0;\r
- u32 offset = 0;\r
- \r
- /* variant 1 has different layout for 128kb and 256kb flashes */\r
- if (bank->size == 128 * 1024)\r
- {\r
- bank->num_sectors = 16;\r
- bank->sectors = malloc(sizeof(flash_sector_t) * 16);\r
- for (i = 0; i < 16; i++)\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 8 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- }\r
- else if (bank->size == 256 * 1024)\r
- {\r
- bank->num_sectors = 18;\r
- bank->sectors = malloc(sizeof(flash_sector_t) * 18);\r
- \r
- for (i = 0; i < 8; i++)\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 8 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- for (i = 8; i < 10; i++)\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 64 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- for (i = 10; i < 18; i++)\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 8 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- }\r
- else\r
- {\r
- ERROR("BUG: unknown bank->size encountered");\r
- exit(-1);\r
- }\r
- }\r
- else if (lpc2000_info->variant == 2)\r
- {\r
- int num_sectors;\r
- int i;\r
- u32 offset = 0;\r
- \r
- /* variant 2 has a uniform layout, only number of sectors differs */\r
- switch (bank->size)\r
- {\r
- case 4 * 1024:\r
- lpc2000_info->cmd51_max_buffer = 1024;\r
- num_sectors = 1;\r
- break;\r
- case 8 * 1024:\r
- lpc2000_info->cmd51_max_buffer = 1024;\r
- num_sectors = 2;\r
- break;\r
- case 16 * 1024:\r
- num_sectors = 4;\r
- break;\r
- case 32 * 1024:\r
- num_sectors = 8;\r
- break;\r
- case 64 * 1024:\r
- num_sectors = 9;\r
- break;\r
- case 128 * 1024:\r
- num_sectors = 11;\r
- break;\r
- case 256 * 1024:\r
- num_sectors = 15;\r
- break;\r
- case 512 * 1024:\r
- case 500 * 1024:\r
- num_sectors = 27;\r
- break;\r
- default:\r
- ERROR("BUG: unknown bank->size encountered");\r
- exit(-1);\r
- break;\r
- }\r
- \r
- bank->num_sectors = num_sectors;\r
- bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);\r
- \r
- for (i = 0; i < num_sectors; i++)\r
- {\r
- if ((i >= 0) && (i < 8))\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 4 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- if ((i >= 8) && (i < 22))\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 32 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- if ((i >= 22) && (i < 27))\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = 4 * 1024;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- }\r
- }\r
- else\r
- {\r
- ERROR("BUG: unknown lpc2000_info->variant encountered");\r
- exit(-1);\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-/* call LPC2000 IAP function\r
- * uses 172 bytes working area\r
- * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)\r
- * 0x8 to 0x1f: command parameter table\r
- * 0x20 to 0x2b: command result table\r
- * 0x2c to 0xac: stack (only 128b needed)\r
- */\r
-int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;\r
- target_t *target = bank->target;\r
- mem_param_t mem_params[2];\r
- reg_param_t reg_params[5];\r
- armv4_5_algorithm_t armv4_5_info;\r
- u32 status_code;\r
- \r
- /* regrab previously allocated working_area, or allocate a new one */\r
- if (!lpc2000_info->iap_working_area)\r
- {\r
- u8 jump_gate[8];\r
- \r
- /* make sure we have a working area */\r
- if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)\r
- {\r
- ERROR("no working area specified, can't write LPC2000 internal flash");\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- /* write IAP code to working area */\r
- target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));\r
- target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));\r
- target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);\r
- }\r
- \r
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;\r
- armv4_5_info.core_mode = ARMV4_5_MODE_SVC;\r
- armv4_5_info.core_state = ARMV4_5_STATE_ARM;\r
- \r
- /* command parameter table */\r
- init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);\r
- target_buffer_set_u32(target, mem_params[0].value, code);\r
- target_buffer_set_u32(target, mem_params[0].value + 0x4, param_table[0]);\r
- target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);\r
- target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);\r
- target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);\r
- target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);\r
- \r
- init_reg_param(®_params[0], "r0", 32, PARAM_OUT);\r
- buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);\r
- \r
- /* command result table */\r
- init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);\r
- \r
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);\r
- buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);\r
- \r
- /* IAP entry point */\r
- init_reg_param(®_params[2], "r12", 32, PARAM_OUT);\r
- buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);\r
- \r
- /* IAP stack */\r
- init_reg_param(®_params[3], "r13_svc", 32, PARAM_OUT);\r
- buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);\r
-\r
- /* return address */\r
- init_reg_param(®_params[4], "lr_svc", 32, PARAM_OUT);\r
- buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);\r
- \r
- 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);\r
- \r
- status_code = buf_get_u32(mem_params[1].value, 0, 32);\r
- result_table[0] = target_buffer_get_u32(target, mem_params[1].value);\r
- result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);\r
- \r
- destroy_mem_param(&mem_params[0]);\r
- destroy_mem_param(&mem_params[1]);\r
- \r
- destroy_reg_param(®_params[0]);\r
- destroy_reg_param(®_params[1]);\r
- destroy_reg_param(®_params[2]);\r
- destroy_reg_param(®_params[3]);\r
- destroy_reg_param(®_params[4]);\r
- \r
- return status_code;\r
-}\r
-\r
-int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)\r
-{\r
- u32 param_table[5];\r
- u32 result_table[2];\r
- int status_code;\r
- int i;\r
- \r
- if ((first < 0) || (last > bank->num_sectors))\r
- return ERROR_FLASH_SECTOR_INVALID;\r
- \r
- for (i = first; i <= last; i++)\r
- {\r
- /* check single sector */\r
- param_table[0] = param_table[1] = i;\r
- status_code = lpc2000_iap_call(bank, 53, param_table, result_table);\r
- \r
- switch (status_code)\r
- {\r
- case ERROR_FLASH_OPERATION_FAILED:\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- case LPC2000_CMD_SUCCESS:\r
- bank->sectors[i].is_erased = 1;\r
- break;\r
- case LPC2000_SECTOR_NOT_BLANK:\r
- bank->sectors[i].is_erased = 0;\r
- break;\r
- case LPC2000_INVALID_SECTOR:\r
- bank->sectors[i].is_erased = 0;\r
- break;\r
- case LPC2000_BUSY:\r
- return ERROR_FLASH_BUSY;\r
- break;\r
- default:\r
- ERROR("BUG: unknown LPC2000 status code");\r
- exit(-1);\r
- }\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-/* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]\r
- */\r
-int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info;\r
- \r
- if (argc < 8)\r
- {\r
- WARNING("incomplete flash_bank lpc2000 configuration");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- \r
- lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));\r
- bank->driver_priv = lpc2000_info;\r
- \r
- if (strcmp(args[6], "lpc2000_v1") == 0)\r
- {\r
- lpc2000_info->variant = 1;\r
- lpc2000_info->cmd51_dst_boundary = 512;\r
- lpc2000_info->cmd51_can_256b = 0;\r
- lpc2000_info->cmd51_can_8192b = 1;\r
- }\r
- else if (strcmp(args[6], "lpc2000_v2") == 0)\r
- {\r
- lpc2000_info->variant = 2;\r
- lpc2000_info->cmd51_dst_boundary = 256;\r
- lpc2000_info->cmd51_can_256b = 1;\r
- lpc2000_info->cmd51_can_8192b = 0;\r
- }\r
- else\r
- {\r
- ERROR("unknown LPC2000 variant");\r
- free(lpc2000_info);\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- \r
- lpc2000_info->iap_working_area = NULL;\r
- lpc2000_info->cclk = strtoul(args[7], NULL, 0);\r
- lpc2000_info->calc_checksum = 0;\r
- lpc2000_build_sector_list(bank);\r
- \r
- if (argc >= 9)\r
- {\r
- if (strcmp(args[8], "calc_checksum") == 0)\r
- lpc2000_info->calc_checksum = 1;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_erase(struct flash_bank_s *bank, int first, int last)\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;\r
- u32 param_table[5];\r
- u32 result_table[2];\r
- int status_code;\r
- \r
- param_table[0] = first;\r
- param_table[1] = last;\r
- param_table[2] = lpc2000_info->cclk;\r
- \r
- /* Prepare sectors */\r
- status_code = lpc2000_iap_call(bank, 50, param_table, result_table);\r
- switch (status_code)\r
- {\r
- case ERROR_FLASH_OPERATION_FAILED:\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- case LPC2000_CMD_SUCCESS:\r
- break;\r
- case LPC2000_INVALID_SECTOR:\r
- return ERROR_FLASH_SECTOR_INVALID;\r
- break;\r
- default:\r
- WARNING("lpc2000 prepare sectors returned %i", status_code);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- /* Erase sectors */\r
- status_code = lpc2000_iap_call(bank, 52, param_table, result_table);\r
- switch (status_code)\r
- {\r
- case ERROR_FLASH_OPERATION_FAILED:\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- case LPC2000_CMD_SUCCESS:\r
- break;\r
- case LPC2000_INVALID_SECTOR:\r
- return ERROR_FLASH_SECTOR_INVALID;\r
- break;\r
- default:\r
- WARNING("lpc2000 erase sectors returned %i", status_code);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)\r
-{\r
- /* can't protect/unprotect on the lpc2000 */\r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;\r
- target_t *target = bank->target;\r
- u32 dst_min_alignment;\r
- u32 bytes_remaining = count;\r
- u32 bytes_written = 0;\r
- int first_sector = 0;\r
- int last_sector = 0;\r
- u32 param_table[5];\r
- u32 result_table[2];\r
- int status_code;\r
- int i;\r
- working_area_t *download_area;\r
- \r
- /* allocate a working area */\r
- if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)\r
- {\r
- ERROR("no working area specified, can't write LPC2000 internal flash");\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- if (offset + count > bank->size)\r
- return ERROR_FLASH_DST_OUT_OF_BANK;\r
- \r
- if (lpc2000_info->cmd51_can_256b)\r
- dst_min_alignment = 256;\r
- else\r
- dst_min_alignment = 512;\r
- \r
- if (offset % dst_min_alignment)\r
- {\r
- WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);\r
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;\r
- }\r
- \r
- for (i = 0; i < bank->num_sectors; i++)\r
- {\r
- if (offset >= bank->sectors[i].offset)\r
- first_sector = i;\r
- if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)\r
- last_sector = i;\r
- }\r
- \r
- DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);\r
-\r
- /* check if exception vectors should be flashed */\r
- if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)\r
- {\r
- u32 checksum = 0;\r
- int i = 0;\r
- for (i = 0; i < 8; i++)\r
- {\r
- DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));\r
- if (i != 5)\r
- checksum += buf_get_u32(buffer + (i * 4), 0, 32);\r
- }\r
- checksum = 0 - checksum;\r
- DEBUG("checksum: 0x%8.8x", checksum);\r
- buf_set_u32(buffer + 0x14, 0, 32, checksum);\r
- }\r
- \r
- while (bytes_remaining > 0)\r
- {\r
- u32 thisrun_bytes;\r
- if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)\r
- thisrun_bytes = lpc2000_info->cmd51_max_buffer;\r
- else if (bytes_remaining >= 1024)\r
- thisrun_bytes = 1024;\r
- else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))\r
- thisrun_bytes = 512;\r
- else\r
- thisrun_bytes = 256;\r
- \r
- /* Prepare sectors */\r
- param_table[0] = first_sector;\r
- param_table[1] = last_sector;\r
- status_code = lpc2000_iap_call(bank, 50, param_table, result_table);\r
- switch (status_code)\r
- {\r
- case ERROR_FLASH_OPERATION_FAILED:\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- case LPC2000_CMD_SUCCESS:\r
- break;\r
- case LPC2000_INVALID_SECTOR:\r
- return ERROR_FLASH_SECTOR_INVALID;\r
- break;\r
- default:\r
- WARNING("lpc2000 prepare sectors returned %i", status_code);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- if (bytes_remaining >= thisrun_bytes)\r
- {\r
- if (target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)\r
- {\r
- target_free_working_area(target, download_area);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- }\r
- else\r
- {\r
- u8 *last_buffer = malloc(thisrun_bytes);\r
- int i;\r
- memcpy(last_buffer, buffer + bytes_written, bytes_remaining);\r
- for (i = bytes_remaining; i < thisrun_bytes; i++)\r
- last_buffer[i] = 0xff;\r
- target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);\r
- free(last_buffer);\r
- }\r
- \r
- DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);\r
- \r
- /* Write data */\r
- param_table[0] = bank->base + offset + bytes_written;\r
- param_table[1] = download_area->address;\r
- param_table[2] = thisrun_bytes;\r
- param_table[3] = lpc2000_info->cclk;\r
- status_code = lpc2000_iap_call(bank, 51, param_table, result_table);\r
- switch (status_code)\r
- {\r
- case ERROR_FLASH_OPERATION_FAILED:\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- case LPC2000_CMD_SUCCESS:\r
- break;\r
- case LPC2000_INVALID_SECTOR:\r
- return ERROR_FLASH_SECTOR_INVALID;\r
- break;\r
- default:\r
- WARNING("lpc2000 returned %i", status_code);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
- \r
- if (bytes_remaining > thisrun_bytes)\r
- bytes_remaining -= thisrun_bytes;\r
- else\r
- bytes_remaining = 0;\r
- bytes_written += thisrun_bytes;\r
- }\r
- \r
- target_free_working_area(target, download_area);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_probe(struct flash_bank_s *bank)\r
-{\r
- /* we can't probe on an lpc2000 \r
- * if this is an lpc2xxx, it has the configured flash\r
- */\r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_erase_check(struct flash_bank_s *bank)\r
-{\r
- if (bank->target->state != TARGET_HALTED)\r
- {\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
- \r
- return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);\r
-}\r
-\r
-int lpc2000_protect_check(struct flash_bank_s *bank)\r
-{\r
- /* sectors are always protected */\r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
-{\r
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;\r
-\r
- snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- flash_bank_t *bank;\r
- u32 param_table[5];\r
- u32 result_table[2];\r
- int status_code;\r
- lpc2000_flash_bank_t *lpc2000_info;\r
-\r
- if (argc < 1)\r
- {\r
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * LPC1700 support Copyright (C) 2009 by Audrius Urmanavicius *
+ * didele.deze@gmail.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "lpc2000.h"
+#include "armv4_5.h"
+#include "armv7m.h"
+#include "binarybuffer.h"
+
+
+/* flash programming support for NXP LPC17xx and LPC2xxx devices
+ * currently supported devices:
+ * variant 1 (lpc2000_v1):
+ * - 2104 | 5 | 6
+ * - 2114 | 9
+ * - 2124 | 9
+ * - 2194
+ * - 2212 | 4
+ * - 2292 | 4
+ *
+ * variant 2 (lpc2000_v2):
+ * - 213x
+ * - 214x
+ * - 2101 | 2 | 3
+ * - 2364 | 6 | 8
+ * - 2378
+ *
+ * lpc1700:
+ * - 175x
+ * - 176x (tested with LPC1768)
+ */
+
+static int lpc2000_build_sector_list(struct flash_bank_s *bank)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ int i;
+ uint32_t offset = 0;
+
+ /* default to a 4096 write buffer */
+ lpc2000_info->cmd51_max_buffer = 4096;
+
+ if (lpc2000_info->variant == lpc2000_v1)
+ {
+ /* variant 1 has different layout for 128kb and 256kb flashes */
+ if (bank->size == 128 * 1024)
+ {
+ bank->num_sectors = 16;
+ bank->sectors = malloc(sizeof(struct flash_sector) * 16);
+ for (i = 0; i < 16; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else if (bank->size == 256 * 1024)
+ {
+ bank->num_sectors = 18;
+ bank->sectors = malloc(sizeof(struct flash_sector) * 18);
+
+ for (i = 0; i < 8; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ for (i = 8; i < 10; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 64 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ for (i = 10; i < 18; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else
+ {
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+ }
+ else if (lpc2000_info->variant == lpc2000_v2)
+ {
+ /* variant 2 has a uniform layout, only number of sectors differs */
+ switch (bank->size)
+ {
+ case 4 * 1024:
+ lpc2000_info->cmd51_max_buffer = 1024;
+ bank->num_sectors = 1;
+ break;
+ case 8 * 1024:
+ lpc2000_info->cmd51_max_buffer = 1024;
+ bank->num_sectors = 2;
+ break;
+ case 16 * 1024:
+ bank->num_sectors = 4;
+ break;
+ case 32 * 1024:
+ bank->num_sectors = 8;
+ break;
+ case 64 * 1024:
+ bank->num_sectors = 9;
+ break;
+ case 128 * 1024:
+ bank->num_sectors = 11;
+ break;
+ case 256 * 1024:
+ bank->num_sectors = 15;
+ break;
+ case 512 * 1024:
+ case 500 * 1024:
+ bank->num_sectors = 27;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ break;
+ }
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ if ((i >= 0) && (i < 8))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 4 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ if ((i >= 8) && (i < 22))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 32 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ if ((i >= 22) && (i < 27))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 4 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ }
+ else if (lpc2000_info->variant == lpc1700)
+ {
+ switch(bank->size)
+ {
+ case 32 * 1024:
+ bank->num_sectors = 8;
+ break;
+ case 64 * 1024:
+ bank->num_sectors = 16;
+ break;
+ case 128 * 1024:
+ bank->num_sectors = 18;
+ break;
+ case 256 * 1024:
+ bank->num_sectors = 22;
+ break;
+ case 512 * 1024:
+ bank->num_sectors = 30;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for(i = 0; i < bank->num_sectors; i++)
+ {
+ bank->sectors[i].offset = offset;
+ /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
+ bank->sectors[i].size = (i < 16)? 4 * 1024 : 32 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else
+ {
+ LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+/* call LPC1700/LPC2000 IAP function
+ * uses 180 bytes working area
+ * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
+ * 0x8 to 0x1f: command parameter table (1+5 words)
+ * 0x20 to 0x33: command result table (1+4 words)
+ * 0x34 to 0xb3: stack (only 128b needed)
+ */
+static int lpc2000_iap_call(flash_bank_t *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
+{
+ int retval;
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct mem_param mem_params[2];
+ struct reg_param reg_params[5];
+ struct armv4_5_algorithm armv4_5_info; /* for LPC2000 */
+ struct armv7m_algorithm armv7m_info; /* for LPC1700 */
+ uint32_t status_code;
+ uint32_t iap_entry_point = 0; /* to make compiler happier */
+
+ /* regrab previously allocated working_area, or allocate a new one */
+ if (!lpc2000_info->iap_working_area)
+ {
+ uint8_t jump_gate[8];
+
+ /* make sure we have a working area */
+ if (target_alloc_working_area(target, 180, &lpc2000_info->iap_working_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ /* write IAP code to working area */
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ target_buffer_set_u32(target, jump_gate, ARMV7M_T_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4, ARMV7M_T_B(0xfffffe));
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+
+ if ((retval = target_write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK)
+ {
+ LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)", lpc2000_info->iap_working_area->address);
+ return retval;
+ }
+ }
+
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARMV7M_MODE_ANY;
+ iap_entry_point = 0x1fff1ff1;
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
+ armv4_5_info.core_state = ARMV4_5_STATE_ARM;
+ iap_entry_point = 0x7ffffff1;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown lpc2000->variant encountered");
+ exit(-1);
+ }
+
+ /* command parameter table */
+ init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 6 * 4, PARAM_OUT);
+ target_buffer_set_u32(target, mem_params[0].value, code);
+ target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
+ buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x08);
+
+ /* command result table */
+ init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
+
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
+ buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
+
+ /* IAP entry point */
+ init_reg_param(®_params[2], "r12", 32, PARAM_OUT);
+ buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
+
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ /* IAP stack */
+ init_reg_param(®_params[3], "sp", 32, PARAM_OUT);
+ buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
+
+ /* return address */
+ init_reg_param(®_params[4], "lr", 32, PARAM_OUT);
+ buf_set_u32(reg_params[4].value, 0, 32, (lpc2000_info->iap_working_area->address + 0x04) | 1); /* bit0 of LR = 1 to return in Thumb mode */
+
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv7m_info);
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ /* IAP stack */
+ init_reg_param(®_params[3], "r13_svc", 32, PARAM_OUT);
+ buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
+
+ /* return address */
+ init_reg_param(®_params[4], "lr_svc", 32, PARAM_OUT);
+ buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x04);
+
+ target_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);
+ break;
+ default:
+ LOG_ERROR("BUG: unknown lpc2000->variant encountered");
+ exit(-1);
+ }
+
+
+ status_code = target_buffer_get_u32(target, mem_params[1].value);
+ result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
+ result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
+ result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
+ result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
+
+ LOG_DEBUG("IAP command = %i (0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32") completed with result = %8.8" PRIx32,
+ code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
+
+ destroy_mem_param(&mem_params[0]);
+ destroy_mem_param(&mem_params[1]);
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+ destroy_reg_param(®_params[3]);
+ destroy_reg_param(®_params[4]);
+
+ return status_code;
+}
+
+static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
+{
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+ int i;
+
+ if ((first < 0) || (last >= bank->num_sectors))
+ return ERROR_FLASH_SECTOR_INVALID;
+
+ for (i = first; i <= last; i++)
+ {
+ /* check single sector */
+ param_table[0] = param_table[1] = i;
+ status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
+
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ bank->sectors[i].is_erased = 1;
+ break;
+ case LPC2000_SECTOR_NOT_BLANK:
+ bank->sectors[i].is_erased = 0;
+ break;
+ case LPC2000_INVALID_SECTOR:
+ bank->sectors[i].is_erased = 0;
+ break;
+ case LPC2000_BUSY:
+ return ERROR_FLASH_BUSY;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
+ exit(-1);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+/*
+ * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
+ */
+FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
+{
+ struct lpc2000_flash_bank *lpc2000_info;
+
+ if (argc < 8)
+ {
+ LOG_WARNING("incomplete flash_bank lpc2000 configuration");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
+ bank->driver_priv = lpc2000_info;
+
+ if (strcmp(args[6], "lpc2000_v1") == 0)
+ {
+ lpc2000_info->variant = lpc2000_v1;
+ lpc2000_info->cmd51_dst_boundary = 512;
+ lpc2000_info->cmd51_can_256b = 0;
+ lpc2000_info->cmd51_can_8192b = 1;
+ lpc2000_info->checksum_vector = 5;
+ }
+ else if (strcmp(args[6], "lpc2000_v2") == 0)
+ {
+ lpc2000_info->variant = lpc2000_v2;
+ lpc2000_info->cmd51_dst_boundary = 256;
+ lpc2000_info->cmd51_can_256b = 1;
+ lpc2000_info->cmd51_can_8192b = 0;
+ lpc2000_info->checksum_vector = 5;
+ }
+ else if (strcmp(args[6], "lpc1700") == 0)
+ {
+ lpc2000_info->variant = lpc1700;
+ lpc2000_info->cmd51_dst_boundary = 256;
+ lpc2000_info->cmd51_can_256b = 1;
+ lpc2000_info->cmd51_can_8192b = 0;
+ lpc2000_info->checksum_vector = 7;
+ }
+ else
+ {
+ LOG_ERROR("unknown LPC2000 variant: %s", args[6]);
+ free(lpc2000_info);
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ lpc2000_info->iap_working_area = NULL;
+ COMMAND_PARSE_NUMBER(u32, args[7], lpc2000_info->cclk);
+ lpc2000_info->calc_checksum = 0;
+ lpc2000_build_sector_list(bank);
+
+ if (argc >= 9)
+ {
+ if (strcmp(args[8], "calc_checksum") == 0)
+ lpc2000_info->calc_checksum = 1;
+ }
+
+ return ERROR_OK;
+}
+
+static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ param_table[0] = first;
+ param_table[1] = last;
+ param_table[2] = lpc2000_info->cclk;
+
+ /* Prepare sectors */
+ status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ return ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ /* Erase sectors */
+ status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ return ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+static int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+ /* can't protect/unprotect on the lpc2000 */
+ return ERROR_OK;
+}
+
+static int lpc2000_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ struct target *target = bank->target;
+ uint32_t dst_min_alignment;
+ uint32_t bytes_remaining = count;
+ uint32_t bytes_written = 0;
+ int first_sector = 0;
+ int last_sector = 0;
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+ int i;
+ struct working_area *download_area;
+ int retval = ERROR_OK;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if (offset + count > bank->size)
+ return ERROR_FLASH_DST_OUT_OF_BANK;
+
+ dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
+
+ if (offset % dst_min_alignment)
+ {
+ LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
+ return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
+ }
+
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ if (offset >= bank->sectors[i].offset)
+ first_sector = i;
+ if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
+ last_sector = i;
+ }
+
+ LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
+
+ /* check if exception vectors should be flashed */
+ if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
+ {
+ uint32_t checksum = 0;
+ int i;
+ for (i = 0; i < 8; i++)
+ {
+ LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
+ if (i != lpc2000_info->checksum_vector)
+ checksum += buf_get_u32(buffer + (i * 4), 0, 32);
+ }
+ checksum = 0 - checksum;
+ LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
+
+ uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
+ if (original_value != checksum)
+ {
+ LOG_WARNING("Verification will fail since checksum in image (0x%8.8" PRIx32 ") to be written to flash is different from calculated vector checksum (0x%8.8" PRIx32 ").",
+ original_value, checksum);
+ LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
+ }
+
+ buf_set_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
+ }
+
+ /* allocate a working area */
+ if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ while (bytes_remaining > 0)
+ {
+ uint32_t thisrun_bytes;
+ if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
+ thisrun_bytes = lpc2000_info->cmd51_max_buffer;
+ else if (bytes_remaining >= 1024)
+ thisrun_bytes = 1024;
+ else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
+ thisrun_bytes = 512;
+ else
+ thisrun_bytes = 256;
+
+ /* Prepare sectors */
+ param_table[0] = first_sector;
+ param_table[1] = last_sector;
+ status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ retval = ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+
+ /* Exit if error occured */
+ if (retval != ERROR_OK)
+ break;
+
+ if (bytes_remaining >= thisrun_bytes)
+ {
+ if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
+ {
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+ }
+ else
+ {
+ uint8_t *last_buffer = malloc(thisrun_bytes);
+ memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
+ memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
+ target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
+ free(last_buffer);
+ }
+
+ LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32 , thisrun_bytes, bank->base + offset + bytes_written);
+
+ /* Write data */
+ param_table[0] = bank->base + offset + bytes_written;
+ param_table[1] = download_area->address;
+ param_table[2] = thisrun_bytes;
+ param_table[3] = lpc2000_info->cclk;
+ status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ retval = ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 returned %i", status_code);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+
+ /* Exit if error occured */
+ if (retval != ERROR_OK)
+ break;
+
+ if (bytes_remaining > thisrun_bytes)
+ bytes_remaining -= thisrun_bytes;
+ else
+ bytes_remaining = 0;
+ bytes_written += thisrun_bytes;
+ }
+
+ target_free_working_area(target, download_area);
+
+ return retval;
+}
+
+static int lpc2000_probe(struct flash_bank_s *bank)
+{
+ /* we can't probe on an lpc2000
+ * if this is an lpc2xxx, it has the configured flash
+ */
+ return ERROR_OK;
+}
+
+static int lpc2000_erase_check(struct flash_bank_s *bank)
+{
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
+}
+
+static int lpc2000_protect_check(struct flash_bank_s *bank)
+{
+ /* sectors are always protected */
+ return ERROR_OK;
+}
+
+static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+
+ snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz" , lpc2000_info->variant, lpc2000_info->cclk);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(lpc2000_handle_part_id_command)
+{
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+
+ if (argc < 1)
+ {
return ERROR_COMMAND_SYNTAX_ERROR;
- }\r
- \r
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
- if (!bank)\r
- {\r
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
- return ERROR_OK;\r
- }\r
-\r
- lpc2000_info = bank->driver_priv;\r
- if (bank->target->state != TARGET_HALTED)\r
- {\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
- \r
- if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)\r
- {\r
- if (status_code == ERROR_FLASH_OPERATION_FAILED)\r
- {\r
- command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");\r
- return ERROR_OK;\r
- }\r
- command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);\r
- }\r
- else\r
- {\r
- command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
+ }
+
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
+ {
+ if (status_code == ERROR_FLASH_OPERATION_FAILED)
+ {
+ command_print(cmd_ctx, "no sufficient working area specified, can't access LPC2000 IAP interface");
+ return ERROR_OK;
+ }
+ command_print(cmd_ctx, "lpc2000 IAP returned status code %i", status_code);
+ }
+ else
+ {
+ command_print(cmd_ctx, "lpc2000 part id: 0x%8.8" PRIx32 , result_table[0]);
+ }
+
+ return ERROR_OK;
+}
+
+static int lpc2000_register_commands(struct command_context_s *cmd_ctx)
+{
+ command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000",
+ NULL, COMMAND_ANY, NULL);
+
+ register_command(cmd_ctx, lpc2000_cmd, "part_id",
+ lpc2000_handle_part_id_command, COMMAND_EXEC,
+ "print part id of lpc2000 flash bank <num>");
+
+ return ERROR_OK;
+}
+
+struct flash_driver lpc2000_flash = {
+ .name = "lpc2000",
+ .register_commands = &lpc2000_register_commands,
+ .flash_bank_command = &lpc2000_flash_bank_command,
+ .erase = &lpc2000_erase,
+ .protect = &lpc2000_protect,
+ .write = &lpc2000_write,
+ .probe = &lpc2000_probe,
+ .auto_probe = &lpc2000_probe,
+ .erase_check = &lpc2000_erase_check,
+ .protect_check = &lpc2000_protect_check,
+ .info = &lpc2000_info,
+ };
+
+
projects / fw / openocd / blobdiff