Re: [PATCH v2 3/3] arm64: dts: marvell: Add Sophos XGS 107w NPU board

[Andrew Lunn <andrew@lunn.ch>]

On Mon, Sep 21, 2026 at 02:26:43AM +0200, Nicolo Giuliani via B4 Relay wrote:
> From: Nicolo Giuliani <nicolo.giuliani6@studio.unibo.it>
> 
> Add a device tree for the network processing unit (NPU) of the Sophos
> XGS 87/107 desktop firewalls. The appliance pairs an AMD x86 host with the
> NPU, a Marvell Armada CN9130 SoC with its own eMMC and SPI NOR flash that
> runs independently of the host and serves the front panel ports.
> 
> The eight RJ45 ports and the SFP cage are connected through a Marvell
> 88E6193X switch on the MDIO bus of the SoC, at address 2. Switch port 0
> is the CPU port, a 10GBASE-R link to the first mvpp2 port. Ports 1 to 8
> are the RJ45 ports, which use the internal PHYs of the switch, and
> port 9 is the SFP cage, connected over 1000BASE-X.
> 
> Describe the UART console, the eMMC, the SPI NOR flash that holds the boot
> loader and its environment (read-only), the SFP cage and the switch with
> its ports. The port LEDs, the PCIe link to the x86 host and the USB ports
> are not described.
> 
> The switch is reset through CP GPIO2 pin 17.
> 
> Tested on an XGS 107w with Linux 6.18: boot from eMMC, eMMC and SPI NOR
> access, the mvpp2 link to the switch at 10 Gb/s, the 88E6193X probing with
> its eight user ports, and 936 Mbit/s through a front port. The SFP cage is
> untested.
> 
> Assisted-by: LLM
> Signed-off-by: Nicolo Giuliani <nicolo.giuliani6@studio.unibo.it>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew