1 /* 2 * Copyright (c) 2022 BrainCo Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_ 8 #define ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_ 9 10 #include <stdint.h> 11 #include <zephyr/devicetree.h> 12 #include <zephyr/drivers/flash.h> 13 14 #define SOC_NV_FLASH_NODE DT_INST(0, soc_nv_flash) 15 #define SOC_NV_FLASH_SIZE DT_REG_SIZE(SOC_NV_FLASH_NODE) 16 #define SOC_NV_FLASH_ADDR DT_REG_ADDR(SOC_NV_FLASH_NODE) 17 #define SOC_NV_FLASH_PRG_SIZE DT_PROP(SOC_NV_FLASH_NODE, write_block_size) 18 19 #if (4 == SOC_NV_FLASH_PRG_SIZE) 20 typedef uint32_t flash_prg_t; 21 #elif (2 == SOC_NV_FLASH_PRG_SIZE) 22 typedef uint16_t flash_prg_t; 23 #elif (1 == SOC_NV_FLASH_PRG_SIZE) 24 typedef uint8_t flash_prg_t; 25 #else 26 #error "Invalid write-block-size value in FMC DTS" 27 #endif 28 29 /* Helper for conditional compilation directives, KB cannot be used because it has type casting. */ 30 #define PRE_KB(x) ((x) << 10) 31 32 bool flash_gd32_valid_range(off_t offset, uint32_t len, bool write); 33 34 int flash_gd32_write_range(off_t offset, const void *data, size_t len); 35 36 int flash_gd32_erase_block(off_t offset, size_t size); 37 38 #ifdef CONFIG_FLASH_PAGE_LAYOUT 39 void flash_gd32_pages_layout(const struct device *dev, 40 const struct flash_pages_layout **layout, 41 size_t *layout_size); 42 #endif 43 #endif /* ZEPHYR_DRIVERS_FLASH_FLASH_GD32_H_ */ 44
