* @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:
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 */
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->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 = 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++) {
if (i < 8) {
bank->sectors[i].offset = offset;
bank->sectors[i].size = 4 * 1024;
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 */
+ /* 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;
* 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_call(struct flash_bank *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 arm_algorithm arm_algo; /* 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) {
+ 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;
}
exit(-1);
}
- retval = target_write_memory(target,
- lpc2000_info->iap_working_area->address, 4, 2, jump_gate);
+ retval = target_write_memory(target, lpc2000_info->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)",
- lpc2000_info->iap_working_area->address);
+ LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)",
+ lpc2000_info->iap_working_area->address);
return retval;
}
}
+ 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;
exit(-1);
}
+ 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], 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 + 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);
/* 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], 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);
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, 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);
+ 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, 0, 10000, &armv7m_info);
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->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, 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);
+ 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, &arm_algo);
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address,
+ lpc2000_info->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] = {0};
- 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];
+
+ for (int 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);
+ int status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
switch (status_code) {
case ERROR_FLASH_OPERATION_FAILED:
*/
FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
{
- struct lpc2000_flash_bank *lpc2000_info;
-
if (CMD_ARGC < 8)
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) {
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] = {0};
- uint32_t result_table[4];
- int status_code;
-
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];
+
/* Prepare sectors */
- status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ int status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
switch (status_code) {
case ERROR_FLASH_OPERATION_FAILED:
return ERROR_FLASH_OPERATION_FAILED;
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] = {0};
- 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");
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;
+
+ 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);
+ 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)
+ if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
last_sector = i;
}
/* check if exception vectors should be flashed */
if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum) {
uint32_t checksum = 0;
- 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));
+ 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);
}
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);
+ 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.");
+ 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 *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");
return ERROR_FLASH_OPERATION_FAILED;
}
+ uint32_t bytes_remaining = count;
+ uint32_t bytes_written = 0;
+ uint32_t param_table[5] = {0};
+ uint32_t result_table[4];
+ int retval = ERROR_OK;
+
while (bytes_remaining > 0) {
uint32_t thisrun_bytes;
if (bytes_remaining >= 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);
+ int 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;
if (bytes_remaining >= thisrun_bytes) {
- retval = target_write_buffer(bank->target, download_area->address,
- thisrun_bytes, buffer + bytes_written);
+ 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 {
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);
+ 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);
+ 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;
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;
}
{
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] = {0};
- uint32_t result_table[4];
- int status_code;
-
if (CMD_ARGC < 1)
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_TARGET_NOT_HALTED;
}
- status_code = lpc2000_iap_call(bank, 54, param_table, result_table);
+ uint32_t param_table[5] = {0};
+ uint32_t result_table[4];
+
+ int status_code = lpc2000_iap_call(bank, 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");
+ 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);
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