Linux-RISC-V Archive on lore.kernel.org
 help / color / Atom feed
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
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

      reply index

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-09 19:42 Paul Walmsley
2019-10-09 22:57 ` Atish Patra [this message]

Reply instructions:

You may reply publically 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

Linux-RISC-V Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-riscv/0 linux-riscv/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-riscv linux-riscv/ https://lore.kernel.org/linux-riscv \
		linux-riscv@lists.infradead.org
	public-inbox-index linux-riscv

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.infradead.lists.linux-riscv


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git