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/*
* 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 */
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