#include <target/arm_opcodes.h>
#include <target/armv7m.h>
-
/**
* @file
* flash programming support for NXP LPC17xx and LPC2xxx devices.
*
- * @todo Provide a way to update CCLK after declaring the flash bank.
- * The value which is correct after chip reset will rarely still work
- * right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
+ * @todo Provide a way to update CCLK after declaring the flash bank. The value which is correct after chip reset will
+ * rarely still work right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
*/
/*
* currently supported devices:
* - 176x (tested with LPC1768)
*/
-typedef enum
-{
+typedef enum {
lpc2000_v1,
lpc2000_v2,
lpc1700
} lpc2000_variant;
-struct lpc2000_flash_bank
-{
+struct lpc2000_flash_bank {
lpc2000_variant variant;
- struct working_area *iap_working_area;
uint32_t cclk;
int cmd51_dst_boundary;
int cmd51_can_256b;
int checksum_vector;
};
-enum lpc2000_status_codes
-{
+enum lpc2000_status_codes {
LPC2000_CMD_SUCCESS = 0,
LPC2000_INVALID_COMMAND = 1,
LPC2000_SRC_ADDR_ERROR = 2,
LPC2000_INVALID_BAUD_RATE = 17,
LPC2000_INVALID_STOP_BIT = 18,
LPC2000_CRP_ENABLED = 19
-
};
static int lpc2000_build_sector_list(struct flash_bank *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)
- {
+ if (lpc2000_info->variant == lpc2000_v1) {
/* variant 1 has different layout for 128kb and 256kb flashes */
- if (bank->size == 128 * 1024)
- {
+ if (bank->size == 128 * 1024) {
bank->num_sectors = 16;
bank->sectors = malloc(sizeof(struct flash_sector) * 16);
- for (i = 0; i < 16; i++)
- {
+ for (int 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)
- {
+ } else if (bank->size == 256 * 1024) {
bank->num_sectors = 18;
bank->sectors = malloc(sizeof(struct flash_sector) * 18);
- for (i = 0; i < 8; i++)
- {
+ for (int 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++)
- {
+ for (int 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++)
- {
+ for (int 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
- {
+ } else {
LOG_ERROR("BUG: unknown bank->size encountered");
exit(-1);
}
- }
- else if (lpc2000_info->variant == lpc2000_v2)
- {
+ } else if (lpc2000_info->variant == lpc2000_v2) {
/* variant 2 has a uniform layout, only number of sectors differs */
- switch (bank->size)
- {
+ switch (bank->size) {
case 4 * 1024:
lpc2000_info->cmd51_max_buffer = 1024;
bank->num_sectors = 1;
case 256 * 1024:
bank->num_sectors = 15;
break;
- case 512 * 1024:
case 500 * 1024:
bank->num_sectors = 27;
break;
+ case 512 * 1024:
+ case 504 * 1024:
+ bank->num_sectors = 28;
+ 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++)
- {
- if ((i >= 0) && (i < 8))
- {
+ for (int i = 0; i < bank->num_sectors; i++) {
+ if (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))
- {
+ } else if (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))
- {
+ } else if (i < 28) {
bank->sectors[i].offset = offset;
bank->sectors[i].size = 4 * 1024;
offset += bank->sectors[i].size;
bank->sectors[i].is_protected = 1;
}
}
- }
- else if (lpc2000_info->variant == lpc1700)
- {
- switch(bank->size)
- {
+ } else if (lpc2000_info->variant == lpc1700) {
+ switch (bank->size) {
case 32 * 1024:
bank->num_sectors = 8;
break;
break;
case 128 * 1024:
bank->num_sectors = 18;
- break;
+ break;
case 256 * 1024:
bank->num_sectors = 22;
break;
bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
- for(i = 0; i < bank->num_sectors; i++)
- {
+ for (int 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;
+ 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
- {
+ } else {
LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
}
return ERROR_OK;
}
-/* call LPC1700/LPC2000 IAP function
+/* this function allocates and initializes working area used for IAP algorithm
* 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(struct flash_bank *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
+
+static int lpc2000_iap_working_area_init(struct flash_bank *bank, struct working_area **iap_working_area)
{
- 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 arm_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;
- }
+ if (target_alloc_working_area(target, 180, 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,
- ARMV4_5_T_BX(12));
- target_buffer_set_u32(target, jump_gate + 4,
- ARMV5_T_BKPT(0));
- 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);
- }
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ uint8_t jump_gate[8];
- 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;
- }
+ /* write IAP code to working area */
+ switch (lpc2000_info->variant) {
+ case lpc1700:
+ target_buffer_set_u32(target, jump_gate, ARMV4_5_T_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4, ARMV5_T_BKPT(0));
+ 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 lpc2000_info->variant encountered");
+ exit(-1);
}
- switch(lpc2000_info->variant)
- {
+ int retval = target_write_memory(target, (*iap_working_area)->address, 4, 2, jump_gate);
+ if (retval != ERROR_OK)
+ LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)",
+ (*iap_working_area)->address);
+
+ return retval;
+}
+
+/* call LPC1700/LPC2000 IAP function */
+
+static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_working_area, int code,
+ uint32_t param_table[5], uint32_t result_table[4])
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+
+ struct arm_algorithm arm_algo; /* for LPC2000 */
+ struct armv7m_algorithm armv7m_info; /* for LPC1700 */
+ uint32_t iap_entry_point = 0; /* to make compiler happier */
+
+ switch (lpc2000_info->variant) {
case lpc1700:
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARMV7M_MODE_ANY;
break;
case lpc2000_v1:
case lpc2000_v2:
- armv4_5_info.common_magic = ARM_COMMON_MAGIC;
- armv4_5_info.core_mode = ARM_MODE_SVC;
- armv4_5_info.core_state = ARM_STATE_ARM;
+ arm_algo.common_magic = ARM_COMMON_MAGIC;
+ arm_algo.core_mode = ARM_MODE_SVC;
+ arm_algo.core_state = ARM_STATE_ARM;
iap_entry_point = 0x7ffffff1;
break;
default:
exit(-1);
}
+ struct target *target = bank->target;
+ struct mem_param mem_params[2];
+
/* command parameter table */
- init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 6 * 4, PARAM_OUT);
+ init_mem_param(&mem_params[0], 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 + 0x10, param_table[3]);
target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
+ struct reg_param reg_params[5];
+
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);
+ buf_set_u32(reg_params[0].value, 0, 32, 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_mem_param(&mem_params[1], 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);
+ buf_set_u32(reg_params[1].value, 0, 32, 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)
- {
+ 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);
+ buf_set_u32(reg_params[3].value, 0, 32, 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 */
+ buf_set_u32(reg_params[4].value, 0, 32, (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, 0, 10000, &armv7m_info);
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address, 0, 10000,
+ &armv7m_info);
break;
case lpc2000_v1:
case lpc2000_v2:
/* IAP stack */
init_reg_param(®_params[3], "sp_svc", 32, PARAM_OUT);
- buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
+ buf_set_u32(reg_params[3].value, 0, 32, 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);
+ buf_set_u32(reg_params[4].value, 0, 32, 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);
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, iap_working_area->address,
+ iap_working_area->address + 0x4, 10000, &arm_algo);
break;
default:
LOG_ERROR("BUG: unknown lpc2000->variant encountered");
exit(-1);
}
-
- status_code = target_buffer_get_u32(target, mem_params[1].value);
+ int 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);
+ 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]);
static int lpc2000_iap_blank_check(struct flash_bank *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++)
- {
+ uint32_t param_table[5] = {0};
+ uint32_t result_table[4];
+ struct working_area *iap_working_area;
+
+ int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ for (int i = first; i <= last && retval == ERROR_OK; i++) {
/* check single sector */
param_table[0] = param_table[1] = i;
- status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
+ int status_code = lpc2000_iap_call(bank, iap_working_area, 53, param_table, result_table);
- switch (status_code)
- {
+ switch (status_code) {
case ERROR_FLASH_OPERATION_FAILED:
- return ERROR_FLASH_OPERATION_FAILED;
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
case LPC2000_CMD_SUCCESS:
bank->sectors[i].is_erased = 1;
break;
bank->sectors[i].is_erased = 0;
break;
case LPC2000_BUSY:
- return ERROR_FLASH_BUSY;
+ retval = ERROR_FLASH_BUSY;
break;
default:
LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
}
}
- return ERROR_OK;
+ struct target *target = bank->target;
+ target_free_working_area(target, iap_working_area);
+
+ return retval;
}
/*
*/
FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
{
- struct lpc2000_flash_bank *lpc2000_info;
-
if (CMD_ARGC < 8)
- {
- LOG_WARNING("incomplete flash_bank lpc2000 configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
+ return ERROR_COMMAND_SYNTAX_ERROR;
- lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
+ struct lpc2000_flash_bank *lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
bank->driver_priv = lpc2000_info;
- if (strcmp(CMD_ARGV[6], "lpc2000_v1") == 0)
- {
+ if (strcmp(CMD_ARGV[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(CMD_ARGV[6], "lpc2000_v2") == 0)
- {
+ } else if (strcmp(CMD_ARGV[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(CMD_ARGV[6], "lpc1700") == 0)
- {
+ } else if (strcmp(CMD_ARGV[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
- {
+ } else {
LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
free(lpc2000_info);
return ERROR_FLASH_BANK_INVALID;
}
- lpc2000_info->iap_working_area = NULL;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
lpc2000_info->calc_checksum = 0;
lpc2000_build_sector_list(bank);
- if (CMD_ARGC >= 9)
- {
+ if (CMD_ARGC >= 9) {
if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
lpc2000_info->calc_checksum = 1;
}
static int lpc2000_erase(struct flash_bank *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)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ uint32_t param_table[5] = {0};
+
param_table[0] = first;
param_table[1] = last;
param_table[2] = lpc2000_info->cclk;
+ uint32_t result_table[4];
+ struct working_area *iap_working_area;
+
+ int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
+
+ if (retval != ERROR_OK)
+ return retval;
+
/* Prepare sectors */
- status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
- switch (status_code)
- {
+ int status_code = lpc2000_iap_call(bank, iap_working_area, 50, param_table, result_table);
+ 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:
LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
- return ERROR_FLASH_OPERATION_FAILED;
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
}
- /* 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;
+ if (retval == ERROR_OK) {
+ /* Erase sectors */
+ status_code = lpc2000_iap_call(bank, iap_working_area, 52, 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 erase sectors returned %i", status_code);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
}
- return ERROR_OK;
+ struct target *target = bank->target;
+ target_free_working_area(target, iap_working_area);
+
+ return retval;
}
static int lpc2000_protect(struct flash_bank *bank, int set, int first, int last)
static int lpc2000_write(struct flash_bank *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)
- {
+ 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;
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
- if (offset % dst_min_alignment)
- {
+ uint32_t 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++)
- {
+ int first_sector = 0;
+ int last_sector = 0;
+
+ for (int i = 0; i < bank->num_sectors; i++) {
if (offset >= bank->sectors[i].offset)
first_sector = i;
if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
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)
- {
+ if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum) {
uint32_t checksum = 0;
- for (i = 0; i < 8; i++)
- {
+ for (int 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);
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.");
+ 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);
}
+ struct working_area *iap_working_area;
+
+ int retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ struct working_area *download_area;
+
/* allocate a working area */
- if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
- {
+ 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");
+ target_free_working_area(target, iap_working_area);
return ERROR_FLASH_OPERATION_FAILED;
}
- while (bytes_remaining > 0)
- {
+ uint32_t bytes_remaining = count;
+ uint32_t bytes_written = 0;
+ uint32_t param_table[5] = {0};
+ uint32_t result_table[4];
+
+ while (bytes_remaining > 0) {
uint32_t thisrun_bytes;
if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
thisrun_bytes = lpc2000_info->cmd51_max_buffer;
/* 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)
- {
+ int status_code = lpc2000_iap_call(bank, iap_working_area, 50, param_table, result_table);
+ switch (status_code) {
case ERROR_FLASH_OPERATION_FAILED:
retval = ERROR_FLASH_OPERATION_FAILED;
break;
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)
- {
+ if (bytes_remaining >= thisrun_bytes) {
+ retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written);
+ if (retval != ERROR_OK) {
retval = ERROR_FLASH_OPERATION_FAILED;
break;
}
- }
- else
- {
+ } 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);
free(last_buffer);
}
- LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32 , 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;
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)
- {
+ status_code = lpc2000_iap_call(bank, iap_working_area, 51, param_table, result_table);
+ switch (status_code) {
case ERROR_FLASH_OPERATION_FAILED:
retval = ERROR_FLASH_OPERATION_FAILED;
break;
bytes_written += thisrun_bytes;
}
+ target_free_working_area(target, iap_working_area);
target_free_working_area(target, download_area);
return retval;
static int lpc2000_probe(struct flash_bank *bank)
{
- /* we can't probe on an lpc2000
- * if this is an lpc2xxx, it has the configured flash
- */
+ /* 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 *bank)
{
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
{
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: %" 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 (CMD_ARGC < 1)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
if (ERROR_OK != retval)
return retval;
- if (bank->target->state != TARGET_HALTED)
- {
+ 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)
- {
+ uint32_t param_table[5] = {0};
+ uint32_t result_table[4];
+ struct working_area *iap_working_area;
+
+ retval = lpc2000_iap_working_area_init(bank, &iap_working_area);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ int status_code = lpc2000_iap_call(bank, iap_working_area, 54, param_table, result_table);
+ if (status_code != 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]);
- }
+ } else
+ 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;
+ return retval;
}
static const struct command_registration lpc2000_exec_command_handlers[] = {
.handler = lpc2000_handle_part_id_command,
.mode = COMMAND_EXEC,
.help = "print part id of lpc2000 flash bank <num>",
+ .usage = "<bank>",
},
COMMAND_REGISTRATION_DONE
};
.name = "lpc2000",
.mode = COMMAND_ANY,
.help = "lpc2000 flash command group",
+ .usage = "",
.chain = lpc2000_exec_command_handlers,
},
COMMAND_REGISTRATION_DONE
projects / fw / openocd / blobdiff