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Date: Tue, 12 Sep 2000 19:10:03 -0700 (PDT)
From: moride@portside.net
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Subject: kern/21242: Koutech PCI dual port serial card patch
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         21242
>Category:       kern
>Synopsis:       Koutech PCI dual port serial card patch
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 12 19:20:01 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Shigeki Moride
>Release:        FreeBSD 4.1-STABLE
>Organization:
>Environment:
FreeBSD ndm 4.1-STABLE FreeBSD 4.1-STABLE #23: Wed Sep  6 20:34:09 JST 2000
  root@portside.net:/usr/src/sys/compile/NDM  i386

>Description:
I was make a Koutech PCI dual port serial card patch.

Its card (http://www.koutech.com/ioflex-2S.htm) has Dual 16550 and shared IRQ.

original boot message was

Aug 28 20:34:00 ndm /kernel: pci0: <unknown card> (vendor=0x1407, dev=0x0110) at 20.0 irq 11
Aug 28 20:34:00 ndm /kernel: pci0: <unknown card> (vendor=0x1407, dev=0x0111) at 20.1 irq 11

after this patch

sio0: <Koutech IOFLEX-2S PCI Dual Port Serial> port 0xa800-0xa807 irq 11 at device 20.0 on pci0
sio0: moving to sio2
sio2: type 16550A
sio0: <Koutech IOFLEX-2S PCI Dual Port Serial> port 0xa400-0xa407 irq 11 at device 20.1 on pci0
sio0: moving to sio3
sio3: type 16550A

>How-To-Repeat:

>Fix:
sio.c probe table modification.

--- /sys/isa/sio.c.orig  Wed Aug 16 06:05:30 2000
+++ /sys/isa/sio.c       Tue Sep  5 21:49:53 2000
@@ -581,6 +581,8 @@
 static struct pci_ids pci_ids[] = {
        { 0x100812b9, "3COM PCI FaxModem", 0x10 },
        { 0x048011c1, "ActionTec 56k FAX PCI Modem", 0x14 },
+       { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
+       { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
        { 0x00000000, NULL, 0 }
 };


and kernerl configuration file modification.

# Serial (COM) ports
options         COM_MULTIPORT           #code for some cards with shared IRQs
device          sio0    at isa? port IO_COM1 flags 0x10 irq 4
device          sio1    at isa? port IO_COM2 irq 3
device          sio2    at pci? flags 0x201
device          sio3    at pci? flags 0x201

flags 0x201 meaning:
  shared IRQs and minor number of master port was 2.


>Release-Note:
>Audit-Trail:
>Unformatted:


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