static int stm32x_mass_erase(struct flash_bank *bank);
static int stm32x_get_device_id(struct flash_bank *bank, uint32_t *device_id);
static int stm32x_write_block(struct flash_bank *bank, const uint8_t *buffer,
- uint32_t offset, uint32_t count);
+ uint32_t address, uint32_t count);
/* flash bank stm32x <base> <size> 0 0 <target#>
*/
target_buffer_set_u16(target, opt_bytes + 12, (stm32x_info->option_bytes.protection >> 16) & 0xff);
target_buffer_set_u16(target, opt_bytes + 14, (stm32x_info->option_bytes.protection >> 24) & 0xff);
- uint32_t offset = STM32_OB_RDP - bank->base;
- retval = stm32x_write_block(bank, opt_bytes, offset, sizeof(opt_bytes) / 2);
+ retval = stm32x_write_block(bank, opt_bytes, STM32_OB_RDP, sizeof(opt_bytes) / 2);
if (retval != ERROR_OK) {
if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
LOG_ERROR("working area required to erase options bytes");
}
static int stm32x_write_block(struct flash_bank *bank, const uint8_t *buffer,
- uint32_t offset, uint32_t count)
+ uint32_t address, uint32_t count)
{
struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 16384;
struct working_area *write_algorithm;
struct working_area *source;
- uint32_t address = bank->base + offset;
struct reg_param reg_params[5];
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
goto cleanup;
/* try using a block write */
- retval = stm32x_write_block(bank, buffer, offset, words_remaining);
+ retval = stm32x_write_block(bank, buffer, bank->base + offset, words_remaining);
if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
/* if block write failed (no sufficient working area),
{
struct target *target = NULL;
struct stm32x_flash_bank *stm32x_info = NULL;
- uint16_t optionbyte;
+ uint8_t optionbyte;
+ uint16_t useropt;
if (CMD_ARGC < 2)
return ERROR_COMMAND_SYNTAX_ERROR;
/* start with current options */
optionbyte = stm32x_info->option_bytes.user;
+ useropt = stm32x_info->option_bytes.data;
/* skip over flash bank */
CMD_ARGC--;
optionbyte |= (1 << 2);
else if (strcmp("RSTSTNDBY", CMD_ARGV[0]) == 0)
optionbyte &= ~(1 << 2);
+ else if (strcmp("USEROPT", CMD_ARGV[0]) == 0) {
+ if (CMD_ARGC < 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], useropt);
+ CMD_ARGC--;
+ CMD_ARGV++;
+ }
else if (stm32x_info->has_dual_banks) {
if (strcmp("BOOT0", CMD_ARGV[0]) == 0)
optionbyte |= (1 << 3);
}
stm32x_info->option_bytes.user = optionbyte;
+ stm32x_info->option_bytes.data = useropt;
if (stm32x_write_options(bank) != ERROR_OK) {
command_print(CMD_CTX, "stm32x failed to write options");
.mode = COMMAND_EXEC,
.usage = "bank_id ('SWWDG'|'HWWDG') "
"('RSTSTNDBY'|'NORSTSTNDBY') "
- "('RSTSTOP'|'NORSTSTOP')",
+ "('RSTSTOP'|'NORSTSTOP') ('USEROPT' user_data)",
.help = "Replace bits in device option bytes.",
},
{