Date: Sat, 14 Jun 2003 02:30:57 +0300 From: Maxim Mazurok <maxim@km.ua> To: ticso@cicely.de Cc: freebsd-alpha@freebsd.org Subject: Re: additional com-port Message-ID: <20030613233057.GM338@km.ua> In-Reply-To: <20030613232116.GC7279@cicely8.cicely.de> References: <20030613210519.GH338@km.ua> <20030613224912.GB7279@cicely8.cicely.de> <20030613225959.GI338@km.ua> <20030613230232.GJ338@km.ua> <20030613232116.GC7279@cicely8.cicely.de>
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On Sat, Jun 14, 2003 at 01:21:16AM +0200, Bernd Walter 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@chinger:~#uname -a >> >>> FreeBSD chinger.km.ua 4.8-STABLE FreeBSD 4.8-STABLE #10: Sun Jun 1 13:41:11 EEST 2003 root@chinger.km.ua:/var/opt/src/sys/compile/ALEPH alpha >> >>> root@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@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. >> > >> >ok, can i deactivate one of onboard port. >> >> sorry. it's question. "ok, can i deactivate one of onboard port?" > >There is a iscgfg command in SRM, which can be used to disable onboard >isa components. >The best would be to download the pdf manual from hp, because the >syntax is not that simple. tnx >> >i need only serial console and my additional card. > >What is wrong with the second onboard serial? >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 if i deactivated sio1 in SRM, change settings of cisco console to IO_COM2 and irq 3, can i use next kernel config for worked serial console to freebsd and worked console to cisco: device sio0 at isa? port IO_COM1 irq 4 device sio1 at isa? port IO_COM2 irq 3 ? and one more: now console to server connected to second com-port on board(upper). it's right? -- Maxim Mazurok (MMP2-RIPE)
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