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authorPalmer Dabbelt <palmer@sifive.com>2019-09-13 13:38:43 -0700
committerJonathan Corbet <corbet@lwn.net>2019-09-14 01:55:27 -0600
commit82f12ab311fd5ab46d25c9cc51784adf37f33ad5 (patch)
tree93686a410318badb40fbc842e34928c94cca2526 /Documentation
parent19ad5f79f92e01375070009439c9f3ae22dc6b22 (diff)
Documentation: Add "earlycon=sbi" to the admin guide
This argument is supported on RISC-V systems and widely used, but was not documented here. Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 46b826fcb5ad..ce3696d8256c 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>