additional com-port

[Bernd Walter]

On Sat, Jun 14, 2003 at 12:05:19AM +0300, Maxim Mazurok wrote:
> i have small trouble
> i need to add subj to alpha
> 164SX mainboard
> i insert ISA com port width port 0x3e8 and irq 4
> 
> root at chinger:~#uname -a
> FreeBSD chinger.km.ua 4.8-STABLE FreeBSD 4.8-STABLE #10: Sun Jun  1 13:41:11 EEST 2003     root at chinger.km.ua:/var/opt/src/sys/compile/ALEPH  alpha
> root at chinger:~#cat /sys/alpha/conf/ALEPH | grep COM
> # Serial (COM) ports (required)
> device          sio0    at isa? port IO_COM1 irq 4
> device          sio1    at isa? port IO_COM2 irq 3 flags 0x50
> device          sio2    at isa? port IO_COM3 irq 4
> root at chinger:~#cat /var/run/dmesg.boot | grep sio[0-2]
> sio0 at port 0x3f8-0x3ff irq 4 on isa0
> sio0: type 16550A, console
> sio0: interrupting at ISA irq 4
> sio1: reserved for low-level i/o
> sio2: configured irq 4 not in bitmap of probed irqs 0
> sio2 at port 0x3e8-0x3ef irq 4 on isa0
> sio2: type 16450
> 
> where i wrong?

You can't share ISA IRQs.

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de