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[serial] Define constants for serial port I/O addresses

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Tested with COM1 and COM2.

Signed-off-by: Michael Brown <mcb30@etherboot.org>
This commit is contained in:
Thomas Miletich
2009-05-21 10:50:48 +02:00
committed by Michael Brown
parent 1958974d0a
commit f51d61371f
1 changed files with 6 additions and 1 deletions
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7
src/config/serial.h
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@@ -13,7 +13,12 @@
FILE_LICENCE ( GPL2_OR_LATER );
#define COMCONSOLE 0x3f8 /* I/O port address */
#define COM1 0x3f8
#define COM2 0x2f8
#define COM3 0x3e8
#define COM4 0x2e8
#define COMCONSOLE COM1 /* I/O port address */
/* Keep settings from a previous user of the serial port (e.g. lilo or
* LinuxBIOS), ignoring COMSPEED, COMDATA, COMPARITY and COMSTOP.