* 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
uint32_t register_base;
uint16_t default_rdp;
int user_data_offset;
+ int option_offset;
+ uint32_t user_bank_size;
};
static int stm32x_mass_erase(struct flash_bank *bank);
stm32x_info->probed = 0;
stm32x_info->has_dual_banks = false;
stm32x_info->register_base = FLASH_REG_BASE_B0;
+ stm32x_info->user_bank_size = bank->size;
return ERROR_OK;
}
return retval;
}
-int stm32x_check_operation_supported(struct flash_bank *bank)
+static int stm32x_check_operation_supported(struct flash_bank *bank)
{
struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
if (retval != ERROR_OK)
return retval;
- stm32x_info->option_bytes.user_options = (uint16_t)0xFFF0 | ((optiondata >> 2) & 0x0f);
+ stm32x_info->option_bytes.user_options = (optiondata >> stm32x_info->option_offset >> 2) & 0xffff;
stm32x_info->option_bytes.user_data = (optiondata >> stm32x_info->user_data_offset) & 0xffff;
stm32x_info->option_bytes.RDP = (optiondata & (1 << OPT_READOUT)) ? 0xFFFF : 0x5AA5;
stm32x_info->probed = 0;
stm32x_info->register_base = FLASH_REG_BASE_B0;
stm32x_info->user_data_offset = 10;
+ stm32x_info->option_offset = 0;
/* default factory protection level */
stm32x_info->default_rdp = 0x5AA5;
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 256;
stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x428: /* value line High density */
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 256;
stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x440: /* stm32f0x */
+ case 0x444:
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 64;
stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
default:
}
}
+ /* if the user sets the size manually then ignore the probed value
+ * this allows us to work around devices that have a invalid flash size register value */
+ if (stm32x_info->user_bank_size) {
+ LOG_INFO("ignoring flash probed value, using configured bank size");
+ flash_size_in_kb = stm32x_info->user_bank_size / 1024;
+ }
+
LOG_INFO("flash size = %dkbytes", flash_size_in_kb);
/* did we assign flash size? */
snprintf(buf, buf_size, "unknown");
break;
}
- } else if ((device_id & 0xfff) == 0x440) {
+ } else if (((device_id & 0xfff) == 0x440) ||
+ ((device_id & 0xfff) == 0x444)) {
printed = snprintf(buf, buf_size, "stm32f0x - Rev: ");
buf += printed;
buf_size -= printed;
return retval;
command_print(CMD_CTX, "Option Byte: 0x%" PRIx32 "", optionbyte);
+ int user_data = optionbyte;
+
if (buf_get_u32((uint8_t *)&optionbyte, OPT_ERROR, 1))
command_print(CMD_CTX, "Option Byte Complement Error");
else
command_print(CMD_CTX, "Readout Protection Off");
+ /* user option bytes are offset depending on variant */
+ optionbyte >>= stm32x_info->option_offset;
+
if (buf_get_u32((uint8_t *)&optionbyte, OPT_RDWDGSW, 1))
command_print(CMD_CTX, "Software Watchdog");
else
}
command_print(CMD_CTX, "User Option0: 0x%02" PRIx8,
- (optionbyte >> stm32x_info->user_data_offset) & 0xff);
+ (user_data >> stm32x_info->user_data_offset) & 0xff);
command_print(CMD_CTX, "User Option1: 0x%02" PRIx8,
- (optionbyte >> (stm32x_info->user_data_offset + 8)) & 0xff);
+ (user_data >> (stm32x_info->user_data_offset + 8)) & 0xff);
return ERROR_OK;
}