4  * SPDX-License-Identifier: Apache-2.0
35 	struct flash_xmc4xxx_data *dev_data = dev->data;  in flash_xmc4xxx_init()
37 	k_sem_init(&dev_data->sem, 1, 1);  in flash_xmc4xxx_init()
58 	const struct flash_xmc4xxx_config *dev_config = dev->config;  in flash_xmc4xxx_read()
60 	if (offset < 0 || offset + len > dev_config->size) {  in flash_xmc4xxx_read()
61 		return -1;  in flash_xmc4xxx_read()
63 	memcpy(data, (void *)(dev_config->base + offset), len);  in flash_xmc4xxx_read()
72 	struct flash_xmc4xxx_data *dev_data = dev->data;  in flash_xmc4xxx_write()
73 	const struct flash_xmc4xxx_config *dev_config = dev->config;  in flash_xmc4xxx_write()
75 	uint32_t flash_addr = dev_config->base;  in flash_xmc4xxx_write()
79 	if (offset < 0 || offset + len > dev_config->size) {  in flash_xmc4xxx_write()
80 		return -1;  in flash_xmc4xxx_write()
83 	if (len % dev_config->parameters.write_block_size ||  in flash_xmc4xxx_write()
84 	    offset % dev_config->parameters.write_block_size > 0) {  in flash_xmc4xxx_write()
85 		return -1;  in flash_xmc4xxx_write()
88 	k_sem_take(&dev_data->sem, K_FOREVER);  in flash_xmc4xxx_write()
90 	/* erase and write operations must be on the uncached base address */  in flash_xmc4xxx_write()
94 	num_pages = len / dev_config->parameters.write_block_size;  in flash_xmc4xxx_write()
98 		/* XMC_FLASH_ProgramPage() needs a 32 bit aligned input. */  in flash_xmc4xxx_write()
99 		/* Copy the data to an aligned array if needed.  */  in flash_xmc4xxx_write()
101 			memcpy(aligned_page, src, dev_config->parameters.write_block_size);  in flash_xmc4xxx_write()
108 		flash_addr += dev_config->parameters.write_block_size;  in flash_xmc4xxx_write()
109 		src += dev_config->parameters.write_block_size;  in flash_xmc4xxx_write()
112 	k_sem_give(&dev_data->sem);  in flash_xmc4xxx_write()
119 	struct flash_xmc4xxx_data *dev_data = dev->data;  in flash_xmc4xxx_erase()
120 	const struct flash_xmc4xxx_config *dev_config = dev->config;  in flash_xmc4xxx_erase()
125 	if (offset < 0 || offset > dev_config->size) {  in flash_xmc4xxx_erase()
126 		return -1;  in flash_xmc4xxx_erase()
129 	k_sem_take(&dev_data->sem, K_FOREVER);  in flash_xmc4xxx_erase()
134 			/* erase and write operations must be on the uncached base address */  in flash_xmc4xxx_erase()
135 			uint32_t flash_addr = dev_config->base | 0xc000000;  in flash_xmc4xxx_erase()
143 				size -= pages_size;  in flash_xmc4xxx_erase()
153 			/* page not aligned with offset address */  in flash_xmc4xxx_erase()
155 				ret = -1;  in flash_xmc4xxx_erase()
162 	k_sem_give(&dev_data->sem);  in flash_xmc4xxx_erase()
172 	return -ENOTSUP;  in flash_xmc4xxx_erase()
178 	const struct flash_xmc4xxx_config *dev_config = dev->config;  in flash_xmc4xxx_get_parameters()
180 	return &dev_config->parameters;  in flash_xmc4xxx_get_parameters()