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-rw-r--r--documentation/ref-manual/ref-variables.xml25
1 files changed, 20 insertions, 5 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index de7b050225..719c6c13b9 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -3627,13 +3627,28 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
</glossdef>
</glossentry>
-
<glossentry id='var-SERIAL_CONSOLE'><glossterm>SERIAL_CONSOLE</glossterm>
<glossdef>
- <para>The speed and device for the serial port used to attach the serial console.
- This variable is given to the kernel as the "console"
- parameter and after booting occurs <filename>getty</filename> is started on that port
- so remote login is possible.</para>
+ <para>
+ This variable is deprecated.
+ See the
+ <link linkend='var-SERIAL_CONSOLES'><filename>SERIAL_CONSOLES</filename></link>
+ variable.
+ </para>
+ </glossdef>
+ </glossentry>
+
+ <glossentry id='var-SERIAL_CONSOLES'><glossterm>SERIAL_CONSOLES</glossterm>
+ <glossdef>
+ <para>
+ Defines the serial consoles (TTYs) to enable using getty.
+ Provide a value that specifies the baud rate followed by
+ the TTY device name separated by a semicolon.
+ Use spaces to separate multiple devices:
+ <literallayout class='monospaced'>
+ SERIAL_CONSOLES = "115200;ttyS0 115200;ttyS1"
+ </literallayout>
+ </para>
</glossdef>
</glossentry>