* 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 *
* 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 "flash.h"
-#include "target.h"
-#include "log.h"
#include "armv4_5.h"
-#include "algorithm.h"
+#include "armv7m.h"
#include "binarybuffer.h"
-#include <stdlib.h>
-#include <string.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)
*/
-int lpc2000_register_commands(struct command_context_s *cmd_ctx);
-int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int lpc2000_erase(struct flash_bank_s *bank, int first, int last);
-int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last);
-int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int lpc2000_probe(struct flash_bank_s *bank);
-int lpc2000_erase_check(struct flash_bank_s *bank);
-int lpc2000_protect_check(struct flash_bank_s *bank);
-int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-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
-};
-
-int lpc2000_register_commands(struct command_context_s *cmd_ctx)
+static int lpc2000_build_sector_list(struct flash_bank *bank)
{
- 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 lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ int i;
+ uint32_t offset = 0;
-int lpc2000_build_sector_list(struct flash_bank_s *bank)
-{
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
-
/* 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)
{
bank->num_sectors = 16;
- bank->sectors = malloc(sizeof(flash_sector_t) * 16);
+ bank->sectors = malloc(sizeof(struct flash_sector) * 16);
for (i = 0; i < 16; i++)
{
bank->sectors[i].offset = offset;
else if (bank->size == 256 * 1024)
{
bank->num_sectors = 18;
- bank->sectors = malloc(sizeof(flash_sector_t) * 18);
-
+ bank->sectors = malloc(sizeof(struct flash_sector) * 18);
+
for (i = 0; i < 8; i++)
{
bank->sectors[i].offset = offset;
}
else
{
- ERROR("BUG: unknown bank->size encountered");
+ LOG_ERROR("BUG: unknown bank->size encountered");
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:
- ERROR("BUG: unknown bank->size encountered");
+ LOG_ERROR("BUG: unknown bank->size encountered");
exit(-1);
break;
}
-
- bank->num_sectors = num_sectors;
- bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
-
- for (i = 0; i < num_sectors; i++)
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for (i = 0; i < bank->num_sectors; i++)
{
if ((i >= 0) && (i < 8))
{
}
}
}
+ 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
{
- ERROR("BUG: unknown lpc2000_info->variant encountered");
+ LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
}
-
+
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)
*/
-int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2])
+static int lpc2000_iap_call(struct flash_bank *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
{
- 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;
-
+ 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)
{
- 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)
{
- ERROR("no working area specified, can't write LPC2000 internal flash");
+ 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));
- target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
+ 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);
}
-
- 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;
-
+
/* 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(®_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(®_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, 0x7ffffff1);
-
- /* 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 + 0xac);
-
- /* 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 + 0x4);
-
- 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);
-
+ 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;
}
-int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int last)
+static int lpc2000_iap_blank_check(struct flash_bank *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;
-
- if ((first < 0) || (last > bank->num_sectors))
+
+ 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_BUSY;
break;
default:
- ERROR("BUG: unknown LPC2000 status code");
+ 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 lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
*/
-int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
{
- lpc2000_flash_bank_t *lpc2000_info;
-
+ struct lpc2000_flash_bank *lpc2000_info;
+
if (argc < 8)
{
- WARNING("incomplete flash_bank lpc2000 configuration");
+ LOG_WARNING("incomplete flash_bank lpc2000 configuration");
return ERROR_FLASH_BANK_INVALID;
}
-
- lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
+
+ lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
bank->driver_priv = lpc2000_info;
-
+
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
{
- 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);
-
+
if (argc >= 9)
{
if (strcmp(args[8], "calc_checksum") == 0)
lpc2000_info->calc_checksum = 1;
}
-
+
return ERROR_OK;
}
-int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
+static int lpc2000_erase(struct flash_bank *bank, int first, int last)
{
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
- u32 param_table[5];
- u32 result_table[2];
+ 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;
}
-
- if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- return ERROR_FLASH_SECTOR_INVALID;
- }
-
+
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)
return ERROR_FLASH_SECTOR_INVALID;
break;
default:
- WARNING("lpc2000 prepare sectors returned %i", status_code);
+ 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)
return ERROR_FLASH_SECTOR_INVALID;
break;
default:
- WARNING("lpc2000 erase sectors returned %i", status_code);
+ LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
return ERROR_FLASH_OPERATION_FAILED;
}
-
+
return ERROR_OK;
}
-int lpc2000_protect(struct flash_bank_s *bank, int set, int first, int last)
+static int lpc2000_protect(struct flash_bank *bank, int set, int first, int last)
{
/* can't protect/unprotect on the lpc2000 */
return ERROR_OK;
}
-int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+static int lpc2000_write(struct flash_bank *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;
+ 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;
- 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;
-
+ 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;
}
-
- /* allocate a working area */
- if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
- {
- ERROR("no working area specified, can't write LPC2000 internal flash");
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
+
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)
{
- 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;
}
-
+
for (i = 0; i < bank->num_sectors; i++)
{
if (offset >= bank->sectors[i].offset)
if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
last_sector = i;
}
-
- DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
+
+ 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)
{
- u32 checksum = 0;
- int i = 0;
+ uint32_t checksum = 0;
+ int i;
for (i = 0; i < 8; i++)
{
- 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;
- DEBUG("checksum: 0x%8.8x", checksum);
- buf_set_u32(buffer + 0x14, 0, 32, 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)
{
- 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)
thisrun_bytes = 512;
else
thisrun_bytes = 256;
-
+
/* Prepare sectors */
param_table[0] = first_sector;
param_table[1] = last_sector;
switch (status_code)
{
case ERROR_FLASH_OPERATION_FAILED:
- return ERROR_FLASH_OPERATION_FAILED;
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
case LPC2000_CMD_SUCCESS:
break;
case LPC2000_INVALID_SECTOR:
- return ERROR_FLASH_SECTOR_INVALID;
+ retval = ERROR_FLASH_SECTOR_INVALID;
break;
default:
- WARNING("lpc2000 prepare sectors returned %i", status_code);
- return ERROR_FLASH_OPERATION_FAILED;
+ 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 (target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written) != ERROR_OK)
+ if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
{
- target_free_working_area(target, download_area);
- return ERROR_FLASH_OPERATION_FAILED;
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
}
}
else
{
- u8 *last_buffer = malloc(thisrun_bytes);
- int 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);
}
-
- 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;
param_table[1] = download_area->address;
switch (status_code)
{
case ERROR_FLASH_OPERATION_FAILED:
- return ERROR_FLASH_OPERATION_FAILED;
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
case LPC2000_CMD_SUCCESS:
break;
case LPC2000_INVALID_SECTOR:
- return ERROR_FLASH_SECTOR_INVALID;
+ retval = ERROR_FLASH_SECTOR_INVALID;
break;
default:
- WARNING("lpc2000 returned %i", status_code);
- return ERROR_FLASH_OPERATION_FAILED;
+ 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 ERROR_OK;
+
+ return retval;
}
-int lpc2000_probe(struct flash_bank_s *bank)
+static int lpc2000_probe(struct flash_bank *bank)
{
- /* we can't probe on an lpc2000
+ /* we can't probe on an lpc2000
* if this is an lpc2xxx, it has the configured flash
*/
return ERROR_OK;
}
-int lpc2000_erase_check(struct flash_bank_s *bank)
+static int lpc2000_erase_check(struct flash_bank *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);
}
-int lpc2000_protect_check(struct flash_bank_s *bank)
+static int lpc2000_protect_check(struct flash_bank *bank)
{
/* sectors are always protected */
return ERROR_OK;
}
-int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
+static int lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
{
- lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
+ 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);
- snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
-
return ERROR_OK;
}
-int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(lpc2000_handle_part_id_command)
{
- 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;
- lpc2000_flash_bank_t *lpc2000_info;
if (argc < 1)
{
- command_print(cmd_ctx, "usage: lpc2000 part_id <num>");
- return ERROR_OK;
- }
-
- 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;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
- lpc2000_info = bank->driver_priv;
+ struct flash_bank *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)
}
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;
}
+
+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