blob: 6f2db415d07b044756bc7c41c1f30fbbe195f51e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef __SDCARD_H
#define __SDCARD_H
#include <rtthread.h>
#ifdef RT_USING_DFS
#include <sep4020.h>
#define INICLK 300000
#define SDCLK 24000000 //PCLK=49.392MHz
#define MMCCLK 15000000 //PCLK=49.392MHz
/*struct of the SDC*/
struct sd_c
{
__IO rt_uint32_t clk_ctl;
__IO rt_uint32_t soft_rst;
__IO rt_uint32_t arg;
__IO rt_uint32_t cmd;
__IO rt_uint32_t blk_sz;
__IO rt_uint32_t blk_cnt;
__IO rt_uint32_t trans_mode;
__O rt_uint32_t response0;
__O rt_uint32_t response1;
__O rt_uint32_t response2;
__O rt_uint32_t response3;
__IO rt_uint32_t rd_to_ctl;
__IO rt_uint32_t int_stat;
__IO rt_uint32_t int_stat_mask;
__O rt_uint32_t rx_fifo;
__I rt_uint32_t tx_fifo;
};
/*sdcard driver structure*/
struct sd_device
{
struct rt_device *device; /*rt_device*/
struct sd_c *sdc; /*SDCARD register*/
struct dfs_partition *part; /*dfs partitions*/
rt_uint8_t *sec_buf; /*sdcard buffer*/
rt_uint32_t part_num; /*partiont numbers*/
rt_uint32_t buf_size; /*buffer size*/
};
#endif
#endif
|