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From: John Baldwin <jhb@freebsd.org>
To: freebsd-stable@freebsd.org,
 Willy@offermans.rompen.nl
Date: Wed, 25 May 2011 12:36:30 -0400
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	(bigwig.baldwin.cx); Wed, 25 May 2011 12:36:30 -0400 (EDT)
Cc: freebsd-hardware@freebsd.org
Subject: Re: modem support MT9234ZPX-PCIE-NV
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On Saturday, May 21, 2011 5:20:37 am Willy Offermans wrote:
> Dear FreeBSD friends,
> 
> I need support with a MultiTech modem, MT9234ZPX-PCIE-NV
> (http://www.multitech.com/en_US/PRODUCTS/Families/MultiModemZPX/)
> 
> The modem is recognised during the boot event:
> 
> <snip>
> pci6: <simple comms, UART> at device 0.0 (no driver attached)
> </snip>
> 
> and also appears in the list of found hardware over the PCI bus:
> 
> <snip>
> none1@pci0:6:0:0:       class=0x070002 card=0x20262205 chip=0x015213a8 
rev=0x02 hdr=0x00
>     vendor     = 'Exar Corp.'
>     device     = 'XR17C/D152 Dual PCI UART'
>     class      = simple comms
>     subclass   = UART
> </snip>
> 
> However, as the boot process already mentions, there is no driver attached
> and I cannot get the modem to appear as an accessible and functional
> device. Is there someone, who can help me to get this modem to work?

Try this patch to sys/dev/uart/uart_bus_pci.c:

Index: uart_bus_pci.c
===================================================================
--- uart_bus_pci.c	(revision 222248)
+++ uart_bus_pci.c	(working copy)
@@ -110,6 +110,7 @@ static struct pci_id pci_ns8250_ids[] = {
 { 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 
UART",
 	0x10, 16384000 },
 { 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 },
+{ 0x13a8, 0x0152, 0x2205, 0x2026, "MultiTech MultiModem ZPX", 0x10 },
 { 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 },
 { 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 },
 { 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 },

-- 
John Baldwin