1 files changed, 9 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7da289ee0589..4ddcbf949699 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -883,6 +883,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         which are not unmapped.
 
         earlycon=       [KNL] Output early console device and options.
+
                 uart[8250],io,<addr>[,options]
                 uart[8250],mmio,<addr>[,options]
                 uart[8250],mmio32,<addr>[,options]
@@ -892,6 +893,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         (mmio) or 32-bit (mmio32).
                         The options are the same as for ttyS, above.
 
+                pl011,<addr>
+                        Start an early, polled-mode console on a pl011 serial
+                        port at the specified address. The pl011 serial port
+                        must already be setup and configured. Options are not
+                        yet supported.
+
+                smh     Use ARM semihosting calls for early console.
+
         earlyprintk=    [X86,SH,BLACKFIN,ARM,M68k]
                         earlyprintk=vga
                         earlyprintk=efi