How do I set up a com port in debian that has a non standard irq?
The port I want to use is 0x2E8 irq2
This is what I tried.
edited /etc/rc.boot/0setserial and added this line:
${SETSERIAL} -b /dev/ttyS3 irq 2 port 0x2E8 skip_test autoconfig
${STD_FLAGS}
and commented out this line:
#AUTO_IRQ=auto_irq
(I think that this is when serial is loaded from /etc/modules) This is
what I see during boot up:
Serial driver version 4.13 with no serial options enabled
tty00 at 0x03f8 (irq = 4) is a 16550A
tty01 at 0x02f8 (irq = 3) is a 16550A
tty03 at 0x02e8 (irq = 3) is a 16550A
(I think that this is when /etc/rc.boot/0setserial is called) After some
more things have started I see this:
Configuring serial ports...
done.
/dev/ttyS0 at 0x3f8 (irq = 4) is a 16550A
/dev/ttyS1 at 0x2f8 (irq = 3) is a 16550A
/dev/ttyS3 at 0x2e8 (irq = 2) is a 16550A
Also when I do a dmesg I see this:
Serial driver version 4.13 with no serial options enabled
tty00 at 0x03f8 (irq = 4) is a 16550A
tty01 at 0x02f8 (irq = 3) is a 16550A
tty03 at 0x02e8 (irq = 3) is a 16550A
Any help is appreciated.
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