rtems-libbsd/rtemsbsd/sys/dev/mmc/st-sdmmc-config.c
2021-04-01 15:51:28 +02:00

53 lines
1.9 KiB
C

/* 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.
*/
#include <bsp.h>
#ifdef LIBBSP_ARM_STM32H7_BSP_H
#include <bsp/st-sdmmc-config.h>
#include <dev/mmc/mmcreg.h>
void
st_sdmmc_get_config(uintptr_t sdmmc_base, struct st_sdmmc_config *cfg)
{
switch (sdmmc_base) {
case SDMMC1_BASE:
cfg->data_lines = 4;
cfg->dirpol = true;
/*
* FIXME: Also the evaluation board could switch to 1.8V, the
* control for the level converter isn't implemented in the
* driver yet. So only signal 2.9V.
*/
cfg->ocr_voltage = MMC_OCR_280_290 | MMC_OCR_290_300;
break;
}
}
#endif /* LIBBSP_ARM_STM32H7_BSP_H */