[PATCH 05/10] board: st: add STM32H747 discovery board

[Patrice CHOTARD]

On 5/8/25 23:24, Johannes Krottmayer wrote:
> The code was copied from the STM32H743 discovery board and
> modified for the STM32H747 discovery board.
> 
> Signed-off-by: Johannes Krottmayer <johannes at krotti42.com>
> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
>  board/st/stm32h747-disco/Kconfig           | 15 ++++++++
>  board/st/stm32h747-disco/MAINTAINERS       |  8 ++++
>  board/st/stm32h747-disco/Makefile          | 10 +++++
>  board/st/stm32h747-disco/stm32h747-disco.c | 43 ++++++++++++++++++++++
>  4 files changed, 76 insertions(+)
>  create mode 100644 board/st/stm32h747-disco/Kconfig
>  create mode 100644 board/st/stm32h747-disco/MAINTAINERS
>  create mode 100644 board/st/stm32h747-disco/Makefile
>  create mode 100644 board/st/stm32h747-disco/stm32h747-disco.c
> 
> diff --git a/board/st/stm32h747-disco/Kconfig b/board/st/stm32h747-disco/Kconfig
> new file mode 100644
> index 00000000000..a7b2c09a327
> --- /dev/null
> +++ b/board/st/stm32h747-disco/Kconfig
> @@ -0,0 +1,15 @@
> +if TARGET_STM32H747_DISCO
> +
> +config SYS_BOARD
> +	default "stm32h747-disco"
> +
> +config SYS_VENDOR
> +	default "st"
> +
> +config SYS_SOC
> +	default "stm32h7"
> +
> +config SYS_CONFIG_NAME
> +	default "stm32h747-disco"
> +
> +endif
> diff --git a/board/st/stm32h747-disco/MAINTAINERS b/board/st/stm32h747-disco/MAINTAINERS
> new file mode 100644
> index 00000000000..afca1b913ce
> --- /dev/null
> +++ b/board/st/stm32h747-disco/MAINTAINERS
> @@ -0,0 +1,8 @@
> +STM32H747 DISCOVERY BOARD
> +M:	Patrice Chotard <patrice.chotard at foss.st.com>

Add your name please.

> +S:	Maintained
> +F:	doc/board/st/
> +F:	board/st/stm32h747-disco
> +F:	include/configs/stm32h747-disco.h
> +F:	configs/stm32h747-disco_defconfig
> +F:	arch/arm/dts/stm32h7*
> diff --git a/board/st/stm32h747-disco/Makefile b/board/st/stm32h747-disco/Makefile
> new file mode 100644
> index 00000000000..b0ba62fa3b7
> --- /dev/null
> +++ b/board/st/stm32h747-disco/Makefile
> @@ -0,0 +1,10 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copied from board/st/stm32h743-disco/Makefile:
> +#
> +# Copyright (C) 2017, STMicroelectronics - All Rights Reserved
> +# Author(s): Patrice CHOTARD, <patrice.chotard at foss.st.com> for STMicroelectronics.

Remove or update the copyright and authors with your own.

> +#
> +# Modified for the STM32H747-DISCO: Author: Johannes Krottmayer <johannes at krotti42.com>
> +
> +obj-y	:= stm32h747-disco.o
> diff --git a/board/st/stm32h747-disco/stm32h747-disco.c b/board/st/stm32h747-disco/stm32h747-disco.c
> new file mode 100644
> index 00000000000..538174391d6
> --- /dev/null
> +++ b/board/st/stm32h747-disco/stm32h747-disco.c
> @@ -0,0 +1,43 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copied from board/st/stm32h743-disco/stm32h743-disco.c:
> + *
> + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
> + * Author(s): Patrice Chotard, <patrice.chotard at foss.st.com> for STMicroelectronics.

Same remark as above

> + */
> +
> +#include <dm.h>
> +#include <init.h>
> +#include <log.h>
> +#include <asm/global_data.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +int dram_init(void)
> +{
> +	struct udevice *dev;
> +	int ret;
> +
> +	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
> +	if (ret) {
> +		debug("DRAM init failed: %d\n", ret);
> +		return ret;
> +	}
> +
> +	if (fdtdec_setup_mem_size_base() != 0)
> +		ret = -EINVAL;
> +
> +	return ret;
> +}
> +
> +int dram_init_banksize(void)
> +{
> +	fdtdec_setup_memory_banksize();
> +
> +	return 0;
> +}
> +
> +int board_init(void)
> +{
> +	return 0;
> +}