77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
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/*
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* Copyright (c) 2016 RnDity Sp. z o.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DRIVERS_FLASH_FLASH_STM32_H_
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#define DRIVERS_FLASH_FLASH_STM32_H_
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#include <soc.h>
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#include <flash.h>
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#include <clock_control.h>
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#include <flash_registers.h>
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struct flash_stm32_dev_config {
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uint32_t *base;
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clock_control_subsys_t clock_subsys;
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};
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struct flash_stm32_dev_data {
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/* For future use. */
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};
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#define FLASH_CFG(dev) \
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((const struct flash_stm32_dev_config * const)(dev)->config->config_info)
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#define FLASH_DATA(dev) \
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((struct flash_stm32_dev_data * const)(dev)->driver_data)
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#define FLASH_STRUCT(base) \
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(volatile struct stm32_flash *)(base)
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/* Flash programming timeout definition. */
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#define FLASH_ER_PRG_TIMEOUT ((uint32_t)0x000B0000)
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enum flash_status {
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FLASH_BUSY = 1,
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FLASH_ERROR_WRITE_PROTECTION,
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FLASH_ERROR_PROGRAM,
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FLASH_COMPLETE,
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FLASH_TIMEOUT
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};
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void flash_stm32_lock(struct device *flash);
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void flash_stm32_unlock(struct device *flash);
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uint8_t flash_stm32_program_halfword(struct device *flash,
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uint32_t address,
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uint16_t data);
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uint8_t flash_stm32_program_word(struct device *flash,
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uint32_t address,
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uint32_t data);
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void flash_stm32_read_data(void *data, uint32_t address, size_t len);
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uint8_t flash_stm32_wait_for_last_operation(struct device *flash,
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uint32_t timeout);
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uint8_t flash_stm32_get_status(struct device *flash);
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uint8_t flash_stm32_erase_page(struct device *flash,
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uint32_t page_address);
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uint8_t flash_stm32_erase_all_pages(struct device *flash);
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#endif /* DRIVERS_FLASH_FLASH_STM32_H_ */
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