+/* Count is in double-words */
+static int stm32l4_write_block_without_loader(struct flash_bank *bank, const uint8_t *buffer,
+ uint32_t offset, uint32_t count)
+{
+ struct target *target = bank->target;
+ uint32_t address = bank->base + offset;
+ int retval = ERROR_OK;
+
+ /* wait for BSY bit */
+ retval = stm32l4_wait_status_busy(bank, FLASH_WRITE_TIMEOUT);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* set PG in FLASH_CR */
+ retval = stm32l4_write_flash_reg_by_index(bank, STM32_FLASH_CR_INDEX, FLASH_PG);
+ if (retval != ERROR_OK)
+ return retval;
+
+
+ /* write directly to flash memory */
+ const uint8_t *src = buffer;
+ while (count--) {
+ retval = target_write_memory(target, address, 4, 2, src);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* wait for BSY bit */
+ retval = stm32l4_wait_status_busy(bank, FLASH_WRITE_TIMEOUT);
+ if (retval != ERROR_OK)
+ return retval;
+
+ src += 8;
+ address += 8;
+ }
+
+ /* reset PG in FLASH_CR */
+ retval = stm32l4_write_flash_reg_by_index(bank, STM32_FLASH_CR_INDEX, 0);
+ if (retval != ERROR_OK)
+ return retval;
+
+ return retval;
+}
+