Linux-RISC-V Archive on lore.kernel.org
 help / color / Atom feed
From: Palmer Dabbelt <palmer@sifive.com>
To: corbet@lwn.net, linux-doc@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	schwab@suse.de
Cc: linux-riscv@lists.infradead.org, Palmer Dabbelt <palmer@sifive.com>
Subject: [PATCH] Documentation: Add "earlycon=sbi" to the admin guide
Date: Fri, 13 Sep 2019 13:38:43 -0700
Message-ID: <20190913203843.27149-1-palmer@sifive.com> (raw)

This argument is supported on RISC-V systems and widely used, but was
not documented here.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 4c1971960afa..ca437381f91f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1044,6 +1044,10 @@
 			specified address. The serial port must already be
 			setup and configured. Options are not yet supported.
 
+		sbi
+			Use RISC-V SBI (Supervisor Binary Interface) for early
+			console.
+
 		smh	Use ARM semihosting calls for early console.
 
 		s3c2410,<addr>
-- 
2.21.0


_______________________________________________
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
2019-09-13 20:38 Palmer Dabbelt [this message]
2019-09-14  7:55 ` Jonathan Corbet

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=20190913203843.27149-1-palmer@sifive.com \
    --to=palmer@sifive.com \
    --cc=corbet@lwn.net \
    --cc=hch@infradead.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=schwab@suse.de \
    /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 infradead-linux-riscv@archiver.kernel.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