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[203.116.164.13]) by smtp.gmail.com with ESMTPSA id 20sm33791616pfh.72.2019.09.13.13.40.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Sep 2019 13:40:20 -0700 (PDT) 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> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 From: Palmer Dabbelt To: corbet@lwn.net, linux-doc@vger.kernel.org, Christoph Hellwig , schwab@suse.de X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190913_134022_900632_F3E5725E X-CRM114-Status: UNSURE ( 7.69 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-riscv@lists.infradead.org, Palmer Dabbelt Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org This argument is supported on RISC-V systems and widely used, but was not documented here. Signed-off-by: Palmer Dabbelt --- 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, -- 2.21.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv