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/*
* Copyright (c) 2017 Linaro Limited
* Copyright (c) 2017 BayLibre, SAS.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_FLASH_FLASH_STM32_H_
#define ZEPHYR_DRIVERS_FLASH_FLASH_STM32_H_
#if DT_NODE_HAS_PROP(DT_INST(0, st_stm32_flash_controller), clocks) || \
DT_NODE_HAS_PROP(DT_INST(0, st_stm32h7_flash_controller), clocks)
#include <drivers/clock_control.h>
#include <drivers/clock_control/stm32_clock_control.h>
#endif
struct flash_stm32_priv {
FLASH_TypeDef *regs;
#if DT_NODE_HAS_PROP(DT_INST(0, st_stm32_flash_controller), clocks) || \
DT_NODE_HAS_PROP(DT_INST(0, st_stm32h7_flash_controller), clocks)
/* clock subsystem driving this peripheral */
struct stm32_pclken pclken;
#endif
struct k_sem sem;
};
#if DT_PROP(DT_INST(0, soc_nv_flash), write_block_size)
#define FLASH_STM32_WRITE_BLOCK_SIZE \
DT_PROP(DT_INST(0, soc_nv_flash), write_block_size)
#else
#error Flash write block size not available
/* Flash Write block size is extracted from device tree */
/* as flash node property 'write-block-size' */
#endif
#define FLASH_STM32_PRIV(dev) ((struct flash_stm32_priv *)((dev)->data))
#define FLASH_STM32_REGS(dev) (FLASH_STM32_PRIV(dev)->regs)
#ifdef CONFIG_FLASH_PAGE_LAYOUT
static inline bool flash_stm32_range_exists(const struct device *dev,
off_t offset,
uint32_t len)
{
struct flash_pages_info info;
return !(flash_get_page_info_by_offs(dev, offset, &info) ||
flash_get_page_info_by_offs(dev, offset + len - 1, &info));
}
#endif /* CONFIG_FLASH_PAGE_LAYOUT */
bool flash_stm32_valid_range(const struct device *dev, off_t offset,
uint32_t len, bool write);
int flash_stm32_write_range(const struct device *dev, unsigned int offset,
const void *data, unsigned int len);
int flash_stm32_block_erase_loop(const struct device *dev,
unsigned int offset,
unsigned int len);
int flash_stm32_wait_flash_idle(const struct device *dev);
#ifdef CONFIG_SOC_SERIES_STM32WBX
int flash_stm32_check_status(const struct device *dev);
#endif /* CONFIG_SOC_SERIES_STM32WBX */
#ifdef CONFIG_FLASH_PAGE_LAYOUT
void flash_stm32_page_layout(const struct device *dev,
const struct flash_pages_layout **layout,
size_t *layout_size);
#endif
#endif /* ZEPHYR_DRIVERS_FLASH_FLASH_STM32_H_ */
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