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author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-02-10 17:09:00 +0100 |
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committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-04-01 09:05:53 +0200 |
commit | 1bb4a56e4d7804bed0e44cd2204a1fce22a4011c (patch) | |
tree | 3623ba99ce9ba2bf9c74a6e57ac8b2007169b579 /rtemsbsd/include/bsp | |
parent | testsuite/media01: Add pattern test (diff) | |
download | rtems-libbsd-1bb4a56e4d7804bed0e44cd2204a1fce22a4011c.tar.bz2 |
STM32H7: Add SDMMC driver
Update #4372
Diffstat (limited to 'rtemsbsd/include/bsp')
-rw-r--r-- | rtemsbsd/include/bsp/nexus-devices.h | 2 | ||||
-rw-r--r-- | rtemsbsd/include/bsp/st-sdmmc-config.h | 71 |
2 files changed, 73 insertions, 0 deletions
diff --git a/rtemsbsd/include/bsp/nexus-devices.h b/rtemsbsd/include/bsp/nexus-devices.h index 53a22798..efe4fcb4 100644 --- a/rtemsbsd/include/bsp/nexus-devices.h +++ b/rtemsbsd/include/bsp/nexus-devices.h @@ -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; diff --git a/rtemsbsd/include/bsp/st-sdmmc-config.h b/rtemsbsd/include/bsp/st-sdmmc-config.h new file mode 100644 index 00000000..b4415991 --- /dev/null +++ b/rtemsbsd/include/bsp/st-sdmmc-config.h @@ -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 */ |