44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
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/*
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* Copyright (c) 2022 BrainCo Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_
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#define ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_
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#include <stdint.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/drivers/flash.h>
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#define SOC_NV_FLASH_NODE DT_INST(0, soc_nv_flash)
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#define SOC_NV_FLASH_SIZE DT_REG_SIZE(SOC_NV_FLASH_NODE)
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#define SOC_NV_FLASH_ADDR DT_REG_ADDR(SOC_NV_FLASH_NODE)
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#define SOC_NV_FLASH_PRG_SIZE DT_PROP(SOC_NV_FLASH_NODE, write_block_size)
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#if (4 == SOC_NV_FLASH_PRG_SIZE)
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typedef uint32_t flash_prg_t;
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#elif (2 == SOC_NV_FLASH_PRG_SIZE)
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typedef uint16_t flash_prg_t;
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#elif (1 == SOC_NV_FLASH_PRG_SIZE)
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typedef uint8_t flash_prg_t;
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#else
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#error "Invalid write-block-size value in FMC DTS"
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#endif
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/* Helper for conditional compilation directives, KB cannot be used because it has type casting. */
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#define PRE_KB(x) ((x) << 10)
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bool flash_gd32_valid_range(off_t offset, uint32_t len, bool write);
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int flash_gd32_write_range(off_t offset, const void *data, size_t len);
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int flash_gd32_erase_block(off_t offset, size_t size);
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#ifdef CONFIG_FLASH_PAGE_LAYOUT
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void flash_gd32_pages_layout(const struct device *dev,
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const struct flash_pages_layout **layout,
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size_t *layout_size);
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#endif
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#endif /* ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_ */
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