flash/lpc2???.c: remove useless declarations
[openocd.git] / src / flash / lpc2000.c
index dbbc37484f59e9705dc44712fe6a759122db5335..e71629e57a1375c50354e950759062a4e9b845ee 100644 (file)
@@ -2,6 +2,9 @@
  *   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     *
 
 #include "lpc2000.h"
 #include "armv4_5.h"
+#include "armv7m.h"
 #include "binarybuffer.h"
 
 
-/* flash programming support for Philips LPC2xxx devices
+/* flash programming support for NXP LPC17xx and LPC2xxx devices
  * currently supported devices:
  * variant 1 (lpc2000_v1):
- * - 2104|5|6
- * - 2114|9
- * - 2124|9
+ * - 2104 | 5 | 6
+ * - 2114 | 9
+ * - 2124 | 9
  * - 2194
- * - 2212|4
- * - 2292|4
+ * - 2212 | 4
+ * - 2292 | 4
  *
  * variant 2 (lpc2000_v2):
  * - 213x
  * - 214x
- * - 2101|2|3
- * - 2364|6|8
+ * - 2101 | 2 | 3
+ * - 2364 | 6 | 8
  * - 2378
+ *
+ * lpc1700:
+ * - 175x
+ * - 176x (tested with LPC1768)
  */
 
-static int lpc2000_register_commands(struct command_context_s *cmd_ctx);
-static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-static int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
-static int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
-static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-static int lpc2000_probe(struct flash_bank_s *bank);
-static int lpc2000_erase_check(struct flash_bank_s *bank);
-static int lpc2000_protect_check(struct flash_bank_s *bank);
-static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-flash_driver_t 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
-};
-
-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;
-}
-
 static int lpc2000_build_sector_list(struct flash_bank_s *bank)
 {
        lpc2000_flash_bank_t *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 == 1)
+       if (lpc2000_info->variant == lpc2000_v1)
        {
-               int i = 0;
-               u32 offset = 0;
-
                /* variant 1 has different layout for 128kb and 256kb flashes */
                if (bank->size == 128 * 1024)
                {
@@ -144,41 +114,37 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                        exit(-1);
                }
        }
-       else if (lpc2000_info->variant == 2)
+       else if (lpc2000_info->variant == lpc2000_v2)
        {
-               int num_sectors;
-               int i;
-               u32 offset = 0;
-
                /* variant 2 has a uniform layout, only number of sectors differs */
                switch (bank->size)
                {
                        case 4 * 1024:
                                lpc2000_info->cmd51_max_buffer = 1024;
-                               num_sectors = 1;
+                               bank->num_sectors = 1;
                                break;
                        case 8 * 1024:
                                lpc2000_info->cmd51_max_buffer = 1024;
-                               num_sectors = 2;
+                               bank->num_sectors = 2;
                                break;
                        case 16 * 1024:
-                               num_sectors = 4;
+                               bank->num_sectors = 4;
                                break;
                        case 32 * 1024:
-                               num_sectors = 8;
+                               bank->num_sectors = 8;
                                break;
                        case 64 * 1024:
-                               num_sectors = 9;
+                               bank->num_sectors = 9;
                                break;
                        case 128 * 1024:
-                               num_sectors = 11;
+                               bank->num_sectors = 11;
                                break;
                        case 256 * 1024:
-                               num_sectors = 15;
+                               bank->num_sectors = 15;
                                break;
                        case 512 * 1024:
                        case 500 * 1024:
-                               num_sectors = 27;
+                               bank->num_sectors = 27;
                                break;
                        default:
                                LOG_ERROR("BUG: unknown bank->size encountered");
@@ -186,10 +152,9 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                                break;
                }
 
-               bank->num_sectors = num_sectors;
-               bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
+               bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
 
-               for (i = 0; i < num_sectors; i++)
+               for (i = 0; i < bank->num_sectors; i++)
                {
                        if ((i >= 0) && (i < 8))
                        {
@@ -217,6 +182,42 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                        }
                }
        }
+       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(flash_sector_t) * 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");
@@ -226,83 +227,141 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
        return ERROR_OK;
 }
 
-/* call LPC2000 IAP function
- * uses 172 bytes working area
+/* 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
- * 0x20 to 0x2b: command result table
- * 0x2c to 0xac: stack (only 128b needed)
+ * 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, u32 param_table[5], u32 result_table[2])
+static int lpc2000_iap_call(flash_bank_t *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
 {
        int retval;
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
        target_t *target = bank->target;
        mem_param_t mem_params[2];
        reg_param_t reg_params[5];
-       armv4_5_algorithm_t armv4_5_info;
-       u32 status_code;
+       armv4_5_algorithm_t armv4_5_info; /* for LPC2000 */
+       armv7m_algorithm_t 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)
        {
-               u8 jump_gate[8];
+               uint8_t jump_gate[8];
 
                /* make sure we have a working area */
-               if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
+               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 */
-               target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
-               target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
-               if((retval = target_write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK)
+               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;
                }
        }
 
-       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;
+       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, 4 * 6, PARAM_OUT);
+       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 + 0x4, param_table[0]);
-       target_buffer_set_u32(target, mem_params[0].value + 0x8, param_table[1]);
-       target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
+       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(&reg_params[0], "r0", 32, PARAM_OUT);
-       buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
+       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, 4 * 3, PARAM_IN);
+       init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
 
        init_reg_param(&reg_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(&reg_params[2], "r12", 32, PARAM_OUT);
-       buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
+       buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
 
-       /* IAP stack */
-       init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
-       buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
+       switch(lpc2000_info->variant)
+       {
+               case lpc1700:
+                       /* IAP stack */
+                       init_reg_param(&reg_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(&reg_params[4], "lr_svc", 32, PARAM_OUT);
-       buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
+                       /* return address */
+                       init_reg_param(&reg_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(&reg_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(&reg_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);
+       }
 
-       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);
 
-       status_code = buf_get_u32(mem_params[1].value, 0, 32);
-       result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
-       result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
+       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]);
@@ -318,8 +377,8 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
 
 static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
 {
-       u32 param_table[5];
-       u32 result_table[2];
+       uint32_t param_table[5];
+       uint32_t result_table[4];
        int status_code;
        int i;
 
@@ -349,7 +408,7 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
                                return ERROR_FLASH_BUSY;
                                break;
                        default:
-                               LOG_ERROR("BUG: unknown LPC2000 status code");
+                               LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
                                exit(-1);
                }
        }
@@ -357,7 +416,8 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
        return ERROR_OK;
 }
 
-/* flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
+/*
+ * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
  */
 static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 {
@@ -374,27 +434,37 @@ static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *c
 
        if (strcmp(args[6], "lpc2000_v1") == 0)
        {
-               lpc2000_info->variant = 1;
+               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 = 2;
+               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");
+               LOG_ERROR("unknown LPC2000 variant: %s", args[6]);
                free(lpc2000_info);
                return ERROR_FLASH_BANK_INVALID;
        }
 
        lpc2000_info->iap_working_area = NULL;
-       lpc2000_info->cclk = strtoul(args[7], NULL, 0);
+       COMMAND_PARSE_NUMBER(u32, args[7], lpc2000_info->cclk);
        lpc2000_info->calc_checksum = 0;
        lpc2000_build_sector_list(bank);
 
@@ -410,8 +480,8 @@ static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *c
 static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
 {
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
-       u32 param_table[5];
-       u32 result_table[2];
+       uint32_t param_table[5];
+       uint32_t result_table[4];
        int status_code;
 
        if (bank->target->state != TARGET_HALTED)
@@ -465,17 +535,17 @@ static int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int la
        return ERROR_OK;
 }
 
-static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+static int lpc2000_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
 {
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
        target_t *target = bank->target;
-       u32 dst_min_alignment;
-       u32 bytes_remaining = count;
-       u32 bytes_written = 0;
+       uint32_t dst_min_alignment;
+       uint32_t bytes_remaining = count;
+       uint32_t bytes_written = 0;
        int first_sector = 0;
        int last_sector = 0;
-       u32 param_table[5];
-       u32 result_table[2];
+       uint32_t param_table[5];
+       uint32_t result_table[4];
        int status_code;
        int i;
        working_area_t *download_area;
@@ -490,14 +560,11 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
        if (offset + count > bank->size)
                return ERROR_FLASH_DST_OUT_OF_BANK;
 
-       if (lpc2000_info->cmd51_can_256b)
-               dst_min_alignment = 256;
-       else
-               dst_min_alignment = 512;
+       dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
 
        if (offset % dst_min_alignment)
        {
-               LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
+               LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
                return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
        }
 
@@ -514,26 +581,26 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
        /* check if exception vectors should be flashed */
        if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
        {
-               u32 checksum = 0;
-               int i = 0;
+               uint32_t checksum = 0;
+               int i;
                for (i = 0; i < 8; i++)
                {
-                       LOG_DEBUG("0x%2.2x: 0x%8.8x", i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
-                       if (i != 5)
+                       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%8.8x", checksum);
+               LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
 
-               u32 original_value=buf_get_u32(buffer + (5 * 4), 0, 32);
-               if (original_value!=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%8.8x) written to flash was different from calculated vector checksum(0x%8.8x).",
+                       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 + 0x14, 0, 32, checksum);
+               buf_set_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
        }
 
        /* allocate a working area */
@@ -545,7 +612,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
 
        while (bytes_remaining > 0)
        {
-               u32 thisrun_bytes;
+               uint32_t thisrun_bytes;
                if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
                        thisrun_bytes = lpc2000_info->cmd51_max_buffer;
                else if (bytes_remaining >= 1024)
@@ -589,16 +656,14 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                }
                else
                {
-                       u8 *last_buffer = malloc(thisrun_bytes);
-                       u32 i;
+                       uint8_t *last_buffer = malloc(thisrun_bytes);
                        memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
-                       for (i = bytes_remaining; i < thisrun_bytes; i++)
-                               last_buffer[i] = 0xff;
+                       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%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
+               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;
@@ -667,16 +732,15 @@ static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
 {
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 
-       snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
+       snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz" , lpc2000_info->variant, lpc2000_info->cclk);
 
        return ERROR_OK;
 }
 
 static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       flash_bank_t *bank;
-       u32 param_table[5];
-       u32 result_table[2];
+       uint32_t param_table[5];
+       uint32_t result_table[4];
        int status_code;
 
        if (argc < 1)
@@ -684,12 +748,10 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
-       if (!bank)
-       {
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
-               return ERROR_OK;
-       }
+       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)
        {
@@ -708,8 +770,36 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
        }
        else
        {
-               command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
+               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;
+}
+
+flash_driver_t 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,
+       };
+
+

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