/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2023-04-08 wcx1024979076 first version */ #include <rtthread.h> #include <rtdevice.h> #include "drv_flash.h" #ifdef BSP_USING_ON_CHIP_FLASH #define DBG_LEVEL DBG_LOG #define LOG_TAG "DRV.FLASH" #include <rtdbg.h> #define BFLB_FLASH_START_ADRESS 0x0000000 #define BFLB_FLASH_END_ADDRESS 0x1000000 #define BFLB_FLASH_SIZE 16 * 1024 * 1024 #define BFLB_FLASH_PAGE_SIZE 4 * 1024 int _flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size) { rt_err_t result = RT_EOK; if ((addr + size) > BFLB_FLASH_END_ADDRESS) { LOG_E("read outrange flash size! addr is (0x%p)", (void *)(addr + size)); return -RT_EINVAL; } result = bflb_flash_read(addr - BFLB_FLASH_START_ADRESS, buf, size); if(result != RT_EOK) { LOG_E("READ ERROR result = %d, addr = %d, addr1 = %d, len = %d", result, addr, addr - BFLB_FLASH_START_ADRESS, size); return -RT_ERROR; } else { return size; } } int _flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size) { rt_err_t result = RT_EOK; rt_uint32_t end_addr = addr + size; if (addr % 4 != 0) { LOG_E("write addr must be 4-byte alignment"); return -RT_EINVAL; } if ((end_addr) > BFLB_FLASH_END_ADDRESS) { LOG_E("write outrange flash size! addr is (0x%p)", (void *)(addr + size)); return -RT_EINVAL; } result = bflb_flash_write(addr - BFLB_FLASH_START_ADRESS, buf, size); if(result != RT_EOK) { LOG_E("WRITE ERROR result = %d, addr = %d, addr1 = %d, len = %d", result, addr, addr - BFLB_FLASH_START_ADRESS, size); return -RT_ERROR; } else { return size; } } int _flash_erase(rt_uint32_t addr, size_t size) { rt_err_t result = RT_EOK; rt_uint32_t end_addr = addr + size; rt_uint32_t page_addr = 0; if ((end_addr) > BFLB_FLASH_END_ADDRESS) { LOG_E("erase outrange flash size! addr is (0x%p)", (void *)(addr + size)); return -RT_EINVAL; } result = bflb_flash_erase(addr - BFLB_FLASH_START_ADRESS, size); if (result != RT_EOK) { LOG_E("ERASE ERROR result = %d, addr = %d, addr1 = %d, size = %d", result, addr, addr - BFLB_FLASH_START_ADRESS, size); return -RT_ERROR; } else { return size; } } #ifdef RT_USING_FAL #include "fal.h" static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size); static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size); static int fal_flash_erase(long offset, size_t size); const struct fal_flash_dev _onchip_flash = { "bflb_onchip", BFLB_FLASH_START_ADRESS, BFLB_FLASH_SIZE, BFLB_FLASH_PAGE_SIZE, { NULL, fal_flash_read, fal_flash_write, fal_flash_erase } }; static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size) { return _flash_read(_onchip_flash.addr + offset, buf, size); } static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size) { return _flash_write(_onchip_flash.addr + offset, buf, size); } static int fal_flash_erase(long offset, size_t size) { return _flash_erase(_onchip_flash.addr + offset, size); } static int rt_hw_on_chip_flash_init(void) { fal_init(); return RT_EOK; } INIT_COMPONENT_EXPORT(rt_hw_on_chip_flash_init); #endif /* RT_USING_FAL */ #endif /* BSP_USING_ON_CHIP_FLASH */