Document earlycon usage for the SiFive serial port driver in the same
fashion as for the other serial port IP blocks, since the SiFive
serial port driver supports it.
Signed-off-by: Paul Walmsley <paul.walms...@sifive.com>
Reported-by: Andreas Schwab <sch...@suse.de>
Cc: Christoph Hellwig <h...@lst.de>
---
Documentation/admin-guide/kernel-parameters.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt
b/Documentation/admin-guide/kernel-parameters.txt
index c7ac2f3ac99f..90becb00221b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1106,6 +1106,12 @@
address must be provided, and the serial port must
already be setup and configured.
+ sifive,<addr>
+ Start an early, polled-mode console on a SiFive
+ serial port at the specified address. The port must
+ already be setup and configured. Options are not
+ yet supported.
+
earlyprintk= [X86,SH,ARM,M68k,S390]
earlyprintk=vga
earlyprintk=sclp
--
2.23.0
