4  * SPDX-License-Identifier: Apache-2.0
27 static const struct flash_parameters flash_smartbond_parameters = {
32 static bool range_is_valid(off_t offset, uint32_t size)  in range_is_valid()
37 static ALWAYS_INLINE void qspic_data_write8(uint8_t data)  in qspic_data_write8()
39 	volatile uint8_t *reg8 = (uint8_t *)&QSPIC->QSPIC_WRITEDATA_REG;  in qspic_data_write8()
44 static ALWAYS_INLINE void qspic_data_write32(uint32_t data)  in qspic_data_write32()
46 	volatile uint32_t *reg32 = (uint32_t *)&QSPIC->QSPIC_WRITEDATA_REG;  in qspic_data_write32()
51 static ALWAYS_INLINE uint8_t qspic_data_read8(void)  in qspic_data_read8()
53 	volatile uint8_t *reg8 = (uint8_t *)&QSPIC->QSPIC_READDATA_REG;  in qspic_data_read8()
58 static __ramfunc uint8_t qspic_read_status(void)  in qspic_read_status()
62 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_EN_CS_Msk;  in qspic_read_status()
65 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_DIS_CS_Msk;  in qspic_read_status()
71 static __ramfunc void qspic_wait_busy(void)  in qspic_wait_busy()
77 static __ramfunc void qspic_automode_exit(void)  in qspic_automode_exit()
79 	QSPIC->QSPIC_CTRLMODE_REG &= ~QSPIC_QSPIC_CTRLMODE_REG_QSPIC_AUTO_MD_Msk;  in qspic_automode_exit()
80 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_SET_SINGLE_Msk;  in qspic_automode_exit()
81 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_EN_CS_Msk;  in qspic_automode_exit()
84 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_DIS_CS_Msk;  in qspic_automode_exit()
87 static __ramfunc void qspic_write_enable(void)  in qspic_write_enable()
92 		QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_EN_CS_Msk;  in qspic_write_enable()
94 		QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_DIS_CS_Msk;  in qspic_write_enable()
102 static __ramfunc size_t qspic_write_page(uint32_t address, const uint8_t *data, size_t size)  in qspic_write_page()  argument
107 	size = MIN(size, FLASH_PAGE_SIZE - (address & (FLASH_PAGE_SIZE - 1)));  in qspic_write_page()
110 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_EN_CS_Msk;  in qspic_write_page()
112 	address = sys_cpu_to_be32(address);  in qspic_write_page()
113 	qspic_data_write32(address | 0x02);  in qspic_write_page()
118 		size -= 4;  in qspic_write_page()
124 		size--;  in qspic_write_page()
127 	QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_DIS_CS_Msk;  in qspic_write_page()
132 static __ramfunc void qspic_write(uint32_t address, const uint8_t *data, size_t size)  in qspic_write()  argument
139 		written = qspic_write_page(address, data, size);  in qspic_write()
140 		address += written;  in qspic_write()
142 		size -= written;  in qspic_write()
148 static int flash_smartbond_read(const struct device *dev, off_t offset,  in flash_smartbond_read()
151 	const struct flash_smartbond_config *config = dev->config;  in flash_smartbond_read()
154 		return -EINVAL;  in flash_smartbond_read()
161 	memcpy(data, (uint8_t *)(config->qspif_base_address + offset), size);  in flash_smartbond_read()
166 static __ramfunc int flash_smartbond_write(const struct device *dev,  in flash_smartbond_write()
174 		return -EINVAL;  in flash_smartbond_write()
183 	ctrlmode = QSPIC->QSPIC_CTRLMODE_REG;  in flash_smartbond_write()
189 	QSPIC->QSPIC_CTRLMODE_REG = ctrlmode;  in flash_smartbond_write()
190 	CACHE->CACHE_CTRL1_REG |= CACHE_CACHE_CTRL1_REG_CACHE_FLUSH_Msk;  in flash_smartbond_write()
197 static __ramfunc int flash_smartbond_erase(const struct device *dev, off_t offset,  in flash_smartbond_erase()
202 	uint32_t address;  in flash_smartbond_erase()  local
205 		return -EINVAL;  in flash_smartbond_erase()
209 		return -EINVAL;  in flash_smartbond_erase()
213 		return -EINVAL;  in flash_smartbond_erase()
222 	ctrlmode = QSPIC->QSPIC_CTRLMODE_REG;  in flash_smartbond_erase()
229 		QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_EN_CS_Msk;  in flash_smartbond_erase()
231 		address = sys_cpu_to_be32(offset);  in flash_smartbond_erase()
232 		qspic_data_write32(address | 0x20);  in flash_smartbond_erase()
233 		QSPIC->QSPIC_CTRLBUS_REG = QSPIC_QSPIC_CTRLBUS_REG_QSPIC_DIS_CS_Msk;  in flash_smartbond_erase()
238 		size -= FLASH_ERASE_SIZE;  in flash_smartbond_erase()
241 	QSPIC->QSPIC_CTRLMODE_REG = ctrlmode;  in flash_smartbond_erase()
242 	CACHE->CACHE_CTRL1_REG |= CACHE_CACHE_CTRL1_REG_CACHE_FLUSH_Msk;  in flash_smartbond_erase()
249 static const struct flash_parameters *
258 static const struct flash_pages_layout flash_smartbond_0_pages_layout = {
273 static DEVICE_API(flash, flash_smartbond_driver_api) = {
283 static const struct flash_smartbond_config flash_smartbond_0_config = {