linux-kernel - Re: [PATCH 2/2] arm64: dts: renesas: spider-cpu: Switch from SCIF3 to HSCIF0

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Message-ID: <YqmoWYARVsXos3me@shikoro>
Date:   Wed, 15 Jun 2022 11:37:29 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: renesas: spider-cpu: Switch from SCIF3
 to HSCIF0

Hi Geert,

> I.e. the U-Boot on the Spider in Magnus' lab has "baudrate=115200"
> in its environment, while I can read the output from ICUMXA Loader
> to U-Boot, and Linux just fine.

Earlier U-Boot may have no HSCIF support. Recent ones have and the
installer suggests to set baudrate to highspeed. ICUMXA loaders never
worked for me in 115200.

I can keep my patch local if you prefer 115200.


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