additional com-port

[Wilko Bulte]

On Sat, Jun 14, 2003 at 04:13:48AM +0300, Maxim Mazurok wrote:
> On Sat, Jun 14, 2003 at 02:29:47AM +0200, Bernd Walter wrote:
> 
> >> >> >You just have to remove the flags which declare it to be a special
> >> >> >debug interface for to kernel.
> >> >> >See sio(4) manpage for details on flags.
> >> >> 
> >> >> hmmm
> >> >> sio2 - it's no traditional com-port
> >> >> it's ISA Cisco router console (cisco AP-EC)
> >> >> i no need second onboard com-port, but i need access to cisco console
> >> >
> >> >And you can't just give it another IRQ?
> >> 
> >> in SRM for onboard ports?
> >
> >You can check for, but I doubt that it's supported.
> 
> yes :)
> i can only on/off port
> but strange:
> i off onboard com2, but freebsd see it:
> 
> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> sio0: type 16550A, console
> sio0: interrupting at ISA irq 4
> sio1 at port 0x2f8-0x2ff irq 3 on isa0
> sio1: type 16550A
> sio1: interrupting at ISA irq 3
> sio2: configured irq 4 not in bitmap of probed irqs 0
> sio2 at port 0x3e8-0x3ef irq 4 on isa0
> sio2: type 16450
> 
> i see in 'show config' - this port in disable state.

IIRC isacfg just produces a table to be used by Tru64 or VMS but does
not actually disable any hardware components. This is a truly obscure
area of the SRM. 

-- 
|   / o / /_  _   		wilko at FreeBSD.org
|/|/ / / /(  (_)  Bulte