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Documentation: Add "earlycon=sbi" to the admin guide

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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>
This commit is contained in:
Palmer Dabbelt 2019-09-13 13:38:43 -07:00 • committed by Jonathan Corbet
parent 19ad5f79f9
commit 82f12ab311
1 changed files with 4 additions and 0 deletions
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4
Documentation/admin-guide/kernel-parameters.txt
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@ -1044,6 +1044,10 @@
specified address. The serial port must already be specified address. The serial port must already be
setup and configured. Options are not yet supported. 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. smh Use ARM semihosting calls for early console.
s3c2410,<addr> s3c2410,<addr>