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STM32H7: Add SDMMC driver

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Update #4372
This commit is contained in:
Christian Mauderer
2021-02-10 17:09:00 +01:00
parent d7bdff489d
commit 1bb4a56e4d
6 changed files with 990 additions and 0 deletions
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2
rtemsbsd/include/bsp/nexus-devices.h
View File

@@ -193,6 +193,8 @@ static const rtems_bsd_device_resource dwcotg_res[] = {
};
RTEMS_BSD_DEFINE_NEXUS_DEVICE(dwcotg, 0, RTEMS_ARRAY_SIZE(dwcotg_res),
dwcotg_res);
RTEMS_BSD_DRIVER_ST_SDMMC(0, SDMMC1_BASE, DLYB_SDMMC1_BASE, SDMMC1_IRQn);
RTEMS_BSD_DRIVER_MMC;
RTEMS_BSD_DRIVER_USB;
RTEMS_BSD_DRIVER_USB_MASS;

71
rtemsbsd/include/bsp/st-sdmmc-config.h Normal file
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@@ -0,0 +1,71 @@
/* 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 */