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

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Message-ID: <CAMuHMdX-56GZmZJ-JvkFvZ6NsozsamtoKURPzsS-3+AYtZBhFQ@mail.gmail.com>
Date:   Wed, 15 Jun 2022 11:06:30 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
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 Wolfram,

Thanks for your patch!

On Mon, Jun 13, 2022 at 3:10 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> Every loader before Linux utilizes HSCIF0 with a speed of 1843200bps.
> Make Linux behave the same.

Is that true for all boards? Was there a firmware flag day?
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.

> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds