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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-10-19 ChuShicheng first version
*/
#include "drv_flash.h"
#include "board.h"
#include "hardware/flash.h"
#ifdef BSP_USING_ON_CHIP_FLASH
#define DBG_LEVEL DBG_LOG
#define LOG_TAG "DRV.FLASH"
#include <rtdbg.h>
#define FLASH_SIZE 2 * 1024 * 1024
#define FLASH_START_ADRESS 0x0000000
int _flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size)
{
rt_memcpy(buf, (const void *)(XIP_BASE + addr), size);
return size;
}
int _flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size)
{
if (addr % FLASH_PAGE_SIZE != 0)
{
LOG_E("write addr must be %d-byte alignment", FLASH_PAGE_SIZE);
return -RT_EINVAL;
}
if (size % FLASH_PAGE_SIZE != 0)
{
LOG_E("write size must be %d-byte alignment", FLASH_PAGE_SIZE);
return -RT_EINVAL;
}
flash_range_program(addr, buf, size);
return size;
}
int _flash_erase(rt_uint32_t addr, size_t size)
{
if(size % FLASH_SECTOR_SIZE)
{
LOG_E("erase size must be %d-byte alignment", FLASH_SECTOR_SIZE);
}
flash_range_erase(addr, size);
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 =
{
"onchip_flash",
FLASH_START_ADRESS,
FLASH_SIZE,
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 */
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