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[PATCH] doc: more serial-console info

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Add info on flow control for serial consoles.  Refer to netconsole option
also.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Randy Dunlap
2006-03-25 03:08:17 -08:00
committed by Linus Torvalds
parent 174e27c607
commit f1a1c2dc2a
2 changed files with 17 additions and 7 deletions
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Documentation/serial-console.txt
+8 -3
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@@ -17,11 +17,13 @@ The format of this option is:
ttyX for any other virtual console
ttySx for a serial port
lp0 for the first parallel port
ttyUSB0 for the first USB serial device
options: depend on the driver. For the serial port this
defines the baudrate/parity/bits of the port,
in the format BBBBPN, where BBBB is the speed,
P is parity (n/o/e), and N is bits. Default is
defines the baudrate/parity/bits/flow control of
the port, in the format BBBBPNF, where BBBB is the
speed, P is parity (n/o/e), N is number of bits,
and F is flow control ('r' for RTS). Default is
9600n8. The maximum baudrate is 115200.
You can specify multiple console= options on the kernel command line.
@@ -45,6 +47,9 @@ become the console.
You will need to create a new device to use /dev/console. The official
/dev/console is now character device 5,1.
(You can also use a network device as a console. See
Documentation/networking/netconsole.txt for information on that.)
Here's an example that will use /dev/ttyS1 (COM2) as the console.
Replace the sample values as needed.