linux-kernel - Re: [PATCH 13/14] ARM: dts: Add devicetree for Supermicro X9SCi-LN4F based on WPCM450

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Message-ID: <YFZCnwmKT89wTGml@latitude>
Date:   Sat, 20 Mar 2021 19:44:47 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Jonathan Neuschäfer <j.neuschaefer@....net>
Cc:     openbmc@...ts.ozlabs.org, devicetree@...r.kernel.org,
        Tomer Maimon <tmaimon77@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Avi Fishman <avifishman70@...il.com>,
        Patrick Venture <venture@...gle.com>,
        linux-kernel@...r.kernel.org, soc@...nel.org,
        Rob Herring <robh+dt@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Tali Perry <tali.perry1@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Benjamin Fair <benjaminfair@...gle.com>
Subject: Re: [PATCH 13/14] ARM: dts: Add devicetree for Supermicro X9SCi-LN4F
 based on WPCM450

On Sat, Mar 20, 2021 at 07:16:09PM +0100, Jonathan Neuschäfer wrote:
> The Supermicro X9SCi-LN4F is a server mainboard featuring the WPCM450
> BMC. This patch adds a minimal devicetree for Linux running on the BMC.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> ---
[...]
> +&serial1 {
> +	/* "Serial over LAN" port. Connected to ttyS2 of the host system. */
> +	status = "okay";
> +};

One thing to note here: The SOL functionality doesn't work with this
patchset alone, because it requires a special register setting in the
SoC's System Global Control Register block (SPSWC.SPMOD = 2).

So it might make sense to drop the serial1 enablement for now.


Jonathan Neuschäfer

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