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/*
* Copyright (c) 2017 Linaro Limited
* Copyright (c) 2017 BayLibre, SAS.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef DRIVERS_FLASH_STM32_H
#define DRIVERS_FLASH_STM32_H
#include <flash_registers.h>
#if defined(CONFIG_SOC_SERIES_STM32L4X)
#include <clock_control.h>
#include <clock_control/stm32_clock_control.h>
#endif
struct flash_stm32_priv {
#if defined(CONFIG_SOC_SERIES_STM32F4X)
struct stm32f4x_flash *regs;
#elif defined(CONFIG_SOC_SERIES_STM32L4X)
struct stm32l4x_flash *regs;
/* clock subsystem driving this peripheral */
struct stm32_pclken pclken;
#endif
struct k_sem sem;
};
#define FLASH_STM32_PRIV(dev) ((struct flash_stm32_priv *)((dev)->driver_data))
#define FLASH_STM32_REGS(dev) (FLASH_STM32_PRIV(dev)->regs)
#ifdef CONFIG_FLASH_PAGE_LAYOUT
static inline bool flash_stm32_range_exists(struct device *dev,
off_t offset,
u32_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(struct device *dev, off_t offset,
u32_t len, bool write);
int flash_stm32_write_range(struct device *dev, unsigned int offset,
const void *data, unsigned int len);
int flash_stm32_block_erase_loop(struct device *dev, unsigned int offset,
unsigned int len);
int flash_stm32_wait_flash_idle(struct device *dev);
#ifdef CONFIG_FLASH_PAGE_LAYOUT
void flash_stm32_page_layout(struct device *dev,
const struct flash_pages_layout **layout,
size_t *layout_size);
#endif
#endif /* DRIVERS_FLASH_STM32_H */