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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-01-26 armink the first version
*/
#include <fal.h>
#include <sfud.h>
#ifdef FAL_USING_SFUD_PORT
#ifdef RT_USING_SFUD
#include <dev_spi_flash_sfud.h>
#endif
#ifndef FAL_USING_NOR_FLASH_DEV_NAME
#define FAL_USING_NOR_FLASH_DEV_NAME "norflash0"
#endif
static int init(void);
static int read(long offset, rt_uint8_t *buf, rt_size_t size);
static int write(long offset, const rt_uint8_t *buf, rt_size_t size);
static int erase(long offset, rt_size_t size);
static sfud_flash_t sfud_dev = NULL;
struct fal_flash_dev nor_flash0 =
{
.name = FAL_USING_NOR_FLASH_DEV_NAME,
.addr = 0,
.len = 8 * 1024 * 1024,
.blk_size = 4096,
.ops = {init, read, write, erase},
.write_gran = 1
};
static int init(void)
{
#ifdef RT_USING_SFUD
/* RT-Thread RTOS platform */
sfud_dev = rt_sfud_flash_find_by_dev_name(FAL_USING_NOR_FLASH_DEV_NAME);
#else
/* bare metal platform */
extern sfud_flash sfud_norflash0;
sfud_dev = &sfud_norflash0;
#endif
if (NULL == sfud_dev)
{
return -1;
}
/* update the flash chip information */
nor_flash0.blk_size = sfud_dev->chip.erase_gran;
nor_flash0.len = sfud_dev->chip.capacity;
return 0;
}
static int read(long offset, rt_uint8_t *buf, rt_size_t size)
{
RT_ASSERT(sfud_dev);
RT_ASSERT(sfud_dev->init_ok);
sfud_read(sfud_dev, nor_flash0.addr + offset, size, buf);
return size;
}
static int write(long offset, const rt_uint8_t *buf, rt_size_t size)
{
RT_ASSERT(sfud_dev);
RT_ASSERT(sfud_dev->init_ok);
if (sfud_write(sfud_dev, nor_flash0.addr + offset, size, buf) != SFUD_SUCCESS)
{
return -1;
}
return size;
}
static int erase(long offset, rt_size_t size)
{
RT_ASSERT(sfud_dev);
RT_ASSERT(sfud_dev->init_ok);
if (sfud_erase(sfud_dev, nor_flash0.addr + offset, size) != SFUD_SUCCESS)
{
return -1;
}
return size;
}
#endif /* FAL_USING_SFUD_PORT */
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