Re: [PATCHv2 13/23] ARM: dts: socfpga: add Enclustra boot-mode dtsi

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Hello Lothar,

On 20.10.24 21:40, Lothar Rubusch wrote:
> Add generic boot-mode support to Enclustra Arria10 and Cyclone5 boards.
> Some Enclustra carrier boards need hardware adjustments specific to the
> selected boot-mode.

Can you elaborate more on these hardware adjustments?

Do the different boot media e.g. share pins and can't be active at the same
time?

Thanks,
Ahmad

> 
> Signed-off-by: Andreas Buerkler <andreas.buerkler@enclustra.com>
> Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
> ---
>  .../socfpga_enclustra_mercury_bootmode_emmc.dtsi     | 12 ++++++++++++
>  .../socfpga_enclustra_mercury_bootmode_qspi.dtsi     |  8 ++++++++
>  .../socfpga_enclustra_mercury_bootmode_sdmmc.dtsi    |  8 ++++++++
>  3 files changed, 28 insertions(+)
>  create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
>  create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
>  create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
> 
> diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
> new file mode 100644
> index 000000000..d79cb64da
> --- /dev/null
> +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
> @@ -0,0 +1,12 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
> + */
> +
> +&qspi {
> +	status = "disabled";
> +};
> +
> +&mmc {
> +	bus-width = <8>;
> +};
> diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
> new file mode 100644
> index 000000000..5ba21dd8f
> --- /dev/null
> +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
> @@ -0,0 +1,8 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
> + */
> +
> +&mmc {
> +	status = "disabled";
> +};
> diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
> new file mode 100644
> index 000000000..2b102e0b6
> --- /dev/null
> +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
> @@ -0,0 +1,8 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
> + */
> +
> +&qspi {
> +	status = "disabled";
> +};


-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |