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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BSP_ST_SDMMC_CONFIG_H
#define BSP_ST_SDMMC_CONFIG_H
#include <stdbool.h>
#include <stdint.h>
#include <stm32h7/hal.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct st_sdmmc_config {
/**
* Number of data lines. Can be 1, 4 or 8
*/
uint8_t data_lines;
/**
* Polarity of the DIR pins. See "SDMMC_POWER" register in the
* STM32H7xx data sheet for that. If you don't have the lines, you can
* use any value.
*/
bool dirpol;
/**
* Possible OCR voltages. Should be something like
* MMC_OCR_290_300 | MMC_OCR_300_310 depending on card supply.
*/
uint32_t ocr_voltage;
};
/**
* Get hardware specific configuration for SDMMC.
*
* This function can be overwritten in the application to adapt to another board
* configuration. The sdmmc_base points to the base address of the SDMMC
* instance. The cfg structure is set to zero before calling this function so
* that only the necessary fields have to be initialized.
*/
void st_sdmmc_get_config(uintptr_t sdmmc_base, struct st_sdmmc_config *cfg);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BSP_ST_SDMMC_CONFIG_H */
|
