2  * SPDX-License-Identifier: Apache-2.0
40 	uint32_t aprom_size = RMC_APROM_END - RMC_APROM_BASE;  in flash_numaker_is_range_valid()
48 	if (offset >= aprom_size || len > aprom_size || (aprom_size - offset) < len) {  in flash_numaker_is_range_valid()
62  * return -EINVAL erroneous code
67 	struct flash_numaker_data *dev_data = dev->data;  in flash_numaker_erase()
71 	uint32_t addr = dev_data->flash_block_base + offset;  in flash_numaker_erase()  local
78 	/* Validate range */  in flash_numaker_erase()
80 		return -EINVAL;  in flash_numaker_erase()
84 	if (((addr % RMC_FLASH_PAGE_SIZE) != 0) || ((len % RMC_FLASH_PAGE_SIZE) != 0)) {  in flash_numaker_erase()
85 		return -EINVAL;  in flash_numaker_erase()
89 	if (k_sem_take(&dev_data->write_lock, K_NO_WAIT)) {  in flash_numaker_erase()
90 		return -EACCES;  in flash_numaker_erase()
97 		if (RMC_Erase(addr)) {  in flash_numaker_erase()
98 			LOG_ERR("Erase flash page failed or erase time-out");  in flash_numaker_erase()
99 			rc = -EIO;  in flash_numaker_erase()
102 		page_nums--;  in flash_numaker_erase()
103 		addr += RMC_FLASH_PAGE_SIZE;  in flash_numaker_erase()
110 	k_sem_give(&dev_data->write_lock);  in flash_numaker_erase()
123  * return -EIO     erroneous code
127 	struct flash_numaker_data *dev_data = dev->data;  in flash_numaker_read()
128 	uint32_t addr = dev_data->flash_block_base + offset;  in flash_numaker_read()  local
135 	/* Validate range */  in flash_numaker_read()
137 		return -EINVAL;  in flash_numaker_read()
141 	memcpy(data, (void *)addr, len);  in flash_numaker_read()
158 		retval = -1;  in flash_numaker_block_write()
167 	struct flash_numaker_data *dev_data = dev->data;  in flash_numaker_write()
170 	uint32_t addr = dev_data->flash_block_base + offset;  in flash_numaker_write()  local
180 	/* Validate range */  in flash_numaker_write()
182 		return -EINVAL;  in flash_numaker_write()
186 	if ((addr % flash_numaker_parameters.write_block_size) != 0) {  in flash_numaker_write()
187 		return -EINVAL;  in flash_numaker_write()
192 		return -EINVAL;  in flash_numaker_write()
197 		return -EINVAL;  in flash_numaker_write()
200 	if (k_sem_take(&dev_data->write_lock, K_FOREVER)) {  in flash_numaker_write()
201 		return -EACCES;  in flash_numaker_write()
207 		if (flash_numaker_block_write(addr, pu8_data, block_size)) {  in flash_numaker_write()
208 			rc = -EIO;  in flash_numaker_write()
212 		addr += block_size;  in flash_numaker_write()
213 		blocks--;  in flash_numaker_write()
219 	k_sem_give(&dev_data->write_lock);  in flash_numaker_write()
261 	struct flash_numaker_data *dev_data = dev->data;  in flash_numaker_init()
263 	k_sem_init(&dev_data->write_lock, 1, 1);  in flash_numaker_init()
271 	dev_data->flash_block_base = (uint32_t)RMC_APROM_BASE;  in flash_numaker_init()
272 	dev_data->rmc = (RMC_T *)DT_REG_ADDR(DT_NODELABEL(rmc));  in flash_numaker_init()