From: Atish Patra <Atish.Patra@wdc.com>
To: "paul.walmsley@sifive.com" <paul.walmsley@sifive.com>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] riscv: dts: HiFive Unleashed: add default chosen/stdout-path
Date: Wed, 9 Oct 2019 22:57:09 +0000 [thread overview]
Message-ID: <329f84a635caa92f954c8d614975f03e22158c4a.camel@wdc.com> (raw)
In-Reply-To: <alpine.DEB.2.21.9999.1910091240220.11044@viisi.sifive.com>
On Wed, 2019-10-09 at 12:42 -0700, Paul Walmsley wrote:
> Add a default "stdout-path" to the kernel DTS file, as is present in
> many
> of the board DTS files elsewhere in the kernel tree. With this line
> present, earlyconsole can be enabled by simply passing "earlycon" on
> the
> kernel command line. No specific device details are necessary, since
> the
> kernel will use the stdout-path as the default.
>
> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
> ---
> Tested on a HiFive Unleashed using BBL.
>
> arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> index 104d334511cd..88cfcb96bf23 100644
> --- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> @@ -13,6 +13,7 @@
> compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-
> c000";
>
> chosen {
> + stdout-path = "serial0";
> };
>
> cpus {
Tested on a HiFive Unleashed using OpenSBI + U-Boot + Linux boot flow.
Once this patch is merged, we can remove stdout-path fix in OpenSBI for
unleashed platform as well.
Reviewed-by: Atish Patra <atish.patra@wdc.com>
--
Regards,
Atish
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
prev parent reply other threads:[~2019-10-09 22:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-09 19:42 [PATCH] riscv: dts: HiFive Unleashed: add default chosen/stdout-path Paul Walmsley
2019-10-09 22:57 ` Atish Patra [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=329f84a635caa92f954c8d614975f03e22158c4a.camel@wdc.com \
--to=atish.patra@wdc.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=paul.walmsley@sifive.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).