tty/serial: add arm/arm64 semihosting earlycon

[deliverable/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2609ead7ff55230caa19d9d2832d4d797e0b2b1e..4946d8e58d53433ac776f6ccf8c2fdccbc097c25 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -899,6 +899,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        must already be setup and configured. Options are not
                        yet supported.
 
+               smh     Use ARM semihosting calls for early console.
+
        earlyprintk=    [X86,SH,BLACKFIN,ARM]
                        earlyprintk=vga
                        earlyprintk=efi