[PATCH rtems 2/2] stm32h7: Add init for sdmmc pins.

[Gedare Bloom]

the 2 rtems patches are in stm32h7 bsp only, go ahead looks fine

On Thu, Mar 25, 2021 at 2:35 AM Christian Mauderer
<christian.mauderer at embedded-brains.de> wrote:
>
> ---
>  bsps/arm/stm32h7/hal/stm32h7xx_hal_sd.c    |  2 +
>  bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c | 88 ++++++++++++++++++++++
>  spec/build/bsps/arm/stm32h7/bspstm32h7.yml |  1 +
>  3 files changed, 91 insertions(+)
>  create mode 100644 bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c
>
> diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd.c
> index edafb06def..eb8dbe71f1 100644
> --- a/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd.c
> +++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd.c
> @@ -594,6 +594,7 @@ HAL_StatusTypeDef HAL_SD_DeInit(SD_HandleTypeDef *hsd)
>  }
>
>
> +#ifndef __rtems__
>  /**
>    * @brief  Initializes the SD MSP.
>    * @param  hsd: Pointer to SD handle
> @@ -608,6 +609,7 @@ __weak void HAL_SD_MspInit(SD_HandleTypeDef *hsd)
>              the HAL_SD_MspInit could be implemented in the user file
>     */
>  }
> +#endif /* __rtems__ */
>
>  /**
>    * @brief  De-Initialize SD MSP.
> diff --git a/bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c b/bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c
> new file mode 100644
> index 0000000000..2bbc4ff953
> --- /dev/null
> +++ b/bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c
> @@ -0,0 +1,88 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/*
> + * Copyright (C) 2020 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.
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#include <stm32h7/hal.h>
> +
> +static const stm32h7_gpio_config gpiob = {
> +  .regs = GPIOB,
> +  .config = {
> +    .Pin = GPIO_PIN_8 | GPIO_PIN_9,
> +    .Mode = GPIO_MODE_AF_PP,
> +    .Pull = GPIO_NOPULL,
> +    .Speed = GPIO_SPEED_FREQ_VERY_HIGH,
> +    .Alternate = GPIO_AF7_SDMMC1
> +  }
> +};
> +
> +static const stm32h7_gpio_config gpioc_af12 = {
> +  .regs = GPIOC,
> +  .config = {
> +    .Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12,
> +    .Mode = GPIO_MODE_AF_PP,
> +    .Pull = GPIO_NOPULL,
> +    .Speed = GPIO_SPEED_FREQ_VERY_HIGH,
> +    .Alternate = GPIO_AF12_SDMMC1
> +  }
> +};
> +
> +static const stm32h7_gpio_config gpioc_af8 = {
> +  .regs = GPIOC,
> +  .config = {
> +    .Pin = GPIO_PIN_6 | GPIO_PIN_7,
> +    .Mode = GPIO_MODE_AF_PP,
> +    .Pull = GPIO_NOPULL,
> +    .Speed = GPIO_SPEED_FREQ_VERY_HIGH,
> +    .Alternate = GPIO_AF8_SDMMC1
> +  }
> +};
> +
> +static const stm32h7_gpio_config gpiod = {
> +  .regs = GPIOD,
> +  .config = {
> +    .Pin = GPIO_PIN_2,
> +    .Mode = GPIO_MODE_AF_PP,
> +    .Pull = GPIO_NOPULL,
> +    .Speed = GPIO_SPEED_FREQ_VERY_HIGH,
> +    .Alternate = GPIO_AF12_SDMMC1
> +  }
> +};
> +
> +void
> +HAL_SD_MspInit(SD_HandleTypeDef *hsd)
> +{
> +  stm32h7_clk_enable(STM32H7_MODULE_SDMMC1);
> +  stm32h7_gpio_init(&gpiob);
> +  stm32h7_gpio_init(&gpioc_af12);
> +  stm32h7_gpio_init(&gpioc_af8);
> +  stm32h7_gpio_init(&gpiod);
> +  __HAL_RCC_SDMMC1_FORCE_RESET();
> +  __HAL_RCC_SDMMC1_RELEASE_RESET();
> +}
> diff --git a/spec/build/bsps/arm/stm32h7/bspstm32h7.yml b/spec/build/bsps/arm/stm32h7/bspstm32h7.yml
> index 80e13472c8..5b3ecc6a89 100644
> --- a/spec/build/bsps/arm/stm32h7/bspstm32h7.yml
> +++ b/spec/build/bsps/arm/stm32h7/bspstm32h7.yml
> @@ -417,6 +417,7 @@ source:
>  - bsps/arm/stm32h7/start/stm32h7-config-per.c
>  - bsps/arm/stm32h7/start/stm32h7-config-pwr.c
>  - bsps/arm/stm32h7/start/stm32h7-hal-eth.c
> +- bsps/arm/stm32h7/start/stm32h7-hal-sdmmc.c
>  - bsps/arm/stm32h7/start/stm32h7-hal-uart.c
>  - bsps/arm/stm32h7/start/stm32h7-hal.c
>  - bsps/arm/stm32h7/start/system_stm32h7xx.c
> --
> 2.26.2
>
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