Re: [PATCH v3 4/4] arm64: dts: add description for solidrun cn9131 solidwan board

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Am 14.04.24 um 14:58 schrieb Josua Mayer:
> Add description for the SolidRun CN9131 SolidWAN, based on CN9130 SoM
> with an extra communication  processor on the carrier board.
>
> This board differentiates itself from CN9130 Clearfog by providing
> additional SoC native network interfaces and pci buses:
> 2x 10Gbps SFP+
> 4x 1Gbps RJ45
> 1x miniPCI-E
> 1x m.2 b-key with sata, usb-2.0 and usb-3.0
> 1x m.2 m-key with pcie and usb-2.0
> 1x m.2 b-key with pcie, usb-2.0, usb-3.0 and 2x sim slots
> 1x mpcie with pcie only
> 2x type-a usb-2.0/3.0
>
> Signed-off-by: Josua Mayer <josua@xxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/marvell/Makefile               |   1 +
>  arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts | 653 +++++++++++++++++++++
>  2 files changed, 654 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
> index 019f2251d696..16f9d7156d9f 100644
> --- a/arch/arm64/boot/dts/marvell/Makefile
> +++ b/arch/arm64/boot/dts/marvell/Makefile
> @@ -30,3 +30,4 @@ dtb-$(CONFIG_ARCH_MVEBU) += ac5x-rd-carrier-cn9131.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += ac5-98dx35xx-rd.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-base.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-pro.dtb
> +dtb-$(CONFIG_ARCH_MVEBU) += cn9131-cf-solidwan.dtb
> diff --git a/arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts b/arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts
> new file mode 100644
> index 000000000000..ba7dd55abfb4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/marvell/cn9131-cf-solidwan.dts
> @@ -0,0 +1,653 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2024 Josua Mayer <josua@xxxxxxxxxxxxx>
> + *
> + * DTS for SolidRun CN9130 Clearfog Base.
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +
> +#include "cn9130.dtsi"
> +#include "cn9130-sr-som.dtsi"
> +
> +/*
> + * Instantiate the external CP115
> + */
> +
> +#define CP11X_NAME		cp1
> +#define CP11X_BASE		f4000000
> +#define CP11X_PCIEx_MEM_BASE(iface) (0xe2000000 + (iface * 0x1000000))
> +#define CP11X_PCIEx_MEM_SIZE(iface) 0xf00000
> +#define CP11X_PCIE0_BASE	f4600000
> +#define CP11X_PCIE1_BASE	f4620000
> +#define CP11X_PCIE2_BASE	f4640000
> +
> +#include "armada-cp115.dtsi"
> +
> +#undef CP11X_NAME
> +#undef CP11X_BASE
> +#undef CP11X_PCIEx_MEM_BASE
> +#undef CP11X_PCIEx_MEM_SIZE
> +#undef CP11X_PCIE0_BASE
> +#undef CP11X_PCIE1_BASE
> +#undef CP11X_PCIE2_BASE
> +
This is not very pretty, but shared between all CN9313 designs.
CN9132 designs will even have two of these with different addresses.

Is this worth moving into a dtsi?

I see two options then:

1. introduce cn9131.dtsi (which includes cn9130.dtsi).

Boards then can simply include cn9131.dtsi and skip cn9130.dtsi

2. introduce a standalone cn9130-cp1.dtsi which only instantiates cp1,
and does not include cn9130.dtsi.

Boards should include everything they need, e.g.
cn9130.dtsi + cn9130-cp1.dtsi + cn9130-cp2.dtsi





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