* GNU General Public License for more details. *
* *
* 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. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
int i;
uint16_t flash_size_in_kb = 0xffff;
+ uint16_t max_flash_size_in_kb;
uint32_t device_id;
uint32_t options;
uint32_t base_address = 0x08000000;
/* set max flash size depending on family */
switch (device_id & 0xfff) {
case 0x415:
+ max_flash_size_in_kb = 1024;
break;
default:
LOG_WARNING("Cannot identify target as a STM32L4 family.");
/* get flash size from target. */
retval = target_read_u16(target, FLASH_SIZE_REG, &flash_size_in_kb);
+ /* failed reading flash size or flash size invalid (early silicon),
+ * default to max target family */
+ if (retval != ERROR_OK || flash_size_in_kb == 0xffff || flash_size_in_kb == 0) {
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming %dk flash",
+ max_flash_size_in_kb);
+ flash_size_in_kb = max_flash_size_in_kb;
+ }
+
+ LOG_INFO("flash size = %dkbytes", flash_size_in_kb);
+
+ /* did we assign flash size? */
+ assert(flash_size_in_kb != 0xffff);
+
/* get options to for DUAL BANK. */
retval = target_read_u32(target, STM32_FLASH_OPTR, &options);
else
stm32l4_info->option_bytes.bank_b_start = flash_size_in_kb << 9;
- LOG_INFO("flash size = %dkbytes", flash_size_in_kb);
-
/* did we assign flash size? */
assert((flash_size_in_kb != 0xffff) && flash_size_in_kb);
if (retval != ERROR_OK)
return retval;
- uint16_t device_id = dbgmcu_idcode & 0xffff;
+ uint16_t device_id = dbgmcu_idcode & 0xfff;
uint8_t rev_id = dbgmcu_idcode >> 28;
uint8_t rev_minor = 0;
int i;
const char *device_str;
switch (device_id) {
- case 0x6415:
+ case 0x415:
device_str = "STM32L4xx";
break;