* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
* lpc1700:
* - 175x
* - 176x (tested with LPC1768)
+ *
+ * lpc4300 (also available as lpc1800 - alias)
+ * - 43x2 | 3 | 5 | 7 (tested with 4337)
+ * - 18x2 | 3 | 5 | 7
*/
typedef enum {
lpc2000_v1,
lpc2000_v2,
- lpc1700
+ lpc1700,
+ lpc4300,
} lpc2000_variant;
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 calc_checksum;
uint32_t cmd51_max_buffer;
int checksum_vector;
+ uint32_t iap_max_stack;
+ uint32_t cmd51_src_offset;
+ uint32_t lpc4300_bank;
};
enum lpc2000_status_codes {
LPC2000_INVALID_CODE = 16,
LPC2000_INVALID_BAUD_RATE = 17,
LPC2000_INVALID_STOP_BIT = 18,
- LPC2000_CRP_ENABLED = 19
+ LPC2000_CRP_ENABLED = 19,
+ LPC2000_INVALID_FLASH_UNIT = 20,
+ LPC2000_USER_CODE_CHECKSUM = 21,
+ LCP2000_ERROR_SETTING_ACTIVE_PARTITION = 22,
};
static int lpc2000_build_sector_list(struct flash_bank *bank)
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 1;
}
+ } else if (lpc2000_info->variant == lpc4300) {
+ switch (bank->size) {
+ case 256 * 1024:
+ bank->num_sectors = 11;
+ break;
+ case 384 * 1024:
+ bank->num_sectors = 13;
+ break;
+ case 512 * 1024:
+ bank->num_sectors = 15;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for (int i = 0; i < bank->num_sectors; i++) {
+ bank->sectors[i].offset = offset;
+ /* sectors 0-7 are 8kB-sized, 8 and above are 64kB-sized for LPC43xx devices */
+ bank->sectors[i].size = (i < 8) ? 8 * 1024 : 64 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
} else {
LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
return ERROR_OK;
}
-/* call LPC1700/LPC2000 IAP function
- * uses 180 bytes working area
+/* this function allocates and initializes working area used for IAP algorithm
+ * uses 52 + max IAP stack 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)
+ * 0x34 to 0xb3|0x104: stack (only 128b needed for lpc17xx/2000, 208 for lpc43xx)
*/
-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 lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
- /* regrab previously allocated working_area, or allocate a new one */
- if (!lpc2000_info->iap_working_area) {
- uint8_t jump_gate[8];
+ if (target_alloc_working_area(target, 0x34 + lpc2000_info->iap_max_stack, iap_working_area) != ERROR_OK) {
+ LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
- /* 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;
- }
+ uint8_t jump_gate[8];
- /* 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);
- }
-
- 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);
- return retval;
- }
+ /* write IAP code to working area */
+ switch (lpc2000_info->variant) {
+ case lpc1700:
+ case lpc4300:
+ 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);
}
+ 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 target *target = bank->target;
+
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;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
iap_entry_point = 0x1fff1ff1;
break;
case lpc2000_v1:
arm_algo.core_state = ARM_STATE_ARM;
iap_entry_point = 0x7ffffff1;
break;
+ case lpc4300:
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
+ /* read out IAP entry point from ROM driver table at 0x10400100 */
+ target_read_u32(target, 0x10400100, &iap_entry_point);
+ break;
default:
LOG_ERROR("BUG: unknown lpc2000->variant encountered");
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], 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]);
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);
switch (lpc2000_info->variant) {
case lpc1700:
+ case lpc4300:
/* 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 + lpc2000_info->cmd51_src_offset);
/* 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, (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 + lpc2000_info->cmd51_src_offset);
/* 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, &arm_algo);
+ 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");
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);
- for (int i = first; i <= last; i++) {
+ if (retval != ERROR_OK)
+ return retval;
+
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ if (lpc2000_info->variant == lpc4300)
+ param_table[2] = lpc2000_info->lpc4300_bank;
+
+ for (int i = first; i <= last && retval == ERROR_OK; i++) {
/* check single sector */
param_table[0] = param_table[1] = i;
- int 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) {
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;
}
/*
lpc2000_info->cmd51_can_256b = 0;
lpc2000_info->cmd51_can_8192b = 1;
lpc2000_info->checksum_vector = 5;
+ lpc2000_info->iap_max_stack = 128;
} 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;
+ lpc2000_info->iap_max_stack = 128;
} 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;
+ lpc2000_info->iap_max_stack = 128;
+ } else if (strcmp(CMD_ARGV[6], "lpc1800") == 0 || strcmp(CMD_ARGV[6], "lpc4300") == 0) {
+ lpc2000_info->variant = lpc4300;
+ lpc2000_info->cmd51_dst_boundary = 512;
+ lpc2000_info->cmd51_can_256b = 0;
+ lpc2000_info->cmd51_can_8192b = 0;
+ lpc2000_info->checksum_vector = 7;
+ lpc2000_info->iap_max_stack = 208;
} else {
LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
free(lpc2000_info);
return ERROR_FLASH_BANK_INVALID;
}
- lpc2000_info->iap_working_area = NULL;
+ /* see lpc2000_iap_working_area_init() for the reason behind the 0x34 value */
+ lpc2000_info->cmd51_src_offset = 0x34 + lpc2000_info->iap_max_stack;
+
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
lpc2000_info->calc_checksum = 0;
lpc2000_build_sector_list(bank);
+ uint32_t temp_base = 0;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], temp_base);
+ if (temp_base >= 0x1B000000)
+ lpc2000_info->lpc4300_bank = 1; /* bank B */
+ else
+ lpc2000_info->lpc4300_bank = 0; /* bank A */
+
if (CMD_ARGC >= 9) {
if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
lpc2000_info->calc_checksum = 1;
param_table[0] = first;
param_table[1] = last;
- param_table[2] = lpc2000_info->cclk;
+
+ if (lpc2000_info->variant == lpc4300)
+ param_table[2] = lpc2000_info->lpc4300_bank;
+ else
+ 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 */
- int status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ 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 */
+ param_table[2] = lpc2000_info->cclk;
+ if (lpc2000_info->variant == lpc4300)
+ param_table[3] = lpc2000_info->lpc4300_bank;
+
+ 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)
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) {
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;
}
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;
/* Prepare sectors */
param_table[0] = first_sector;
param_table[1] = last_sector;
- int status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+
+ if (lpc2000_info->variant == lpc4300)
+ param_table[2] = lpc2000_info->lpc4300_bank;
+ else
+ param_table[2] = lpc2000_info->cclk;
+
+ 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;
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);
+ 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;
bytes_written += thisrun_bytes;
}
+ target_free_working_area(target, iap_working_area);
target_free_working_area(target, download_area);
return retval;
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, 54, param_table, result_table);
+ 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 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[] = {
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