modem support MT9234ZPX-PCIE-NV

John Baldwin jhb at freebsd.org
Fri May 27 14:43:36 UTC 2011


On Friday, May 27, 2011 10:38:02 am Willy Offermans wrote:
> Dear John and FreeBSD friends,
> 
> On Fri, May 27, 2011 at 08:05:56AM -0400, John Baldwin wrote:
> > On Thursday, May 26, 2011 4:58:37 pm Mike Tancsa wrote:
> > > On 5/26/2011 4:12 PM, John Baldwin wrote:
> > > > 
> > > > Hmm, can you get 'pciconf -lb' output?
> > > > 
> > > > Hmm, wow, I wonder how uart(4) works at all.  It tries to reuse it's softc
> > > > structure in uart_bus_attach() that was setup in uart_bus_probe().  Since 
> > it
> > > > doesn't return 0 from its probe routine, that is forbidden.   I guess it
> > > > accidentally works because of the hack where we call DEVICE_PROBE() again
> > > > to make sure the device description is correct.
> > > 
> > > 
> > > I think this is a similar card.  Had it laying about for a while and
> > > popped it in.  cu -l to it, attaches, but I am not able to interact with it.
> > > 
> > > none3 at pci0:5:0:0:       class=0x070002 card=0x20282205 chip=0x015213a8
> > > rev=0x02 hdr=0x00
> > >     vendor     = 'Exar Corp.'
> > >     device     = 'XR17C/D152 Dual PCI UART'
> > >     class      = simple comms
> > >     subclass   = UART
> > >     bar   [10] = type Memory, range 32, base 0xe8950000, size 1024, enabled
> > > 
> > > 
> > > NetBSD supposedly has support for this card
> > 
> > Oh, hmm, looks like the clock has an unusual multiplier.  Does it work if you
> > use 'cu -l -s 1200' to talk at 9600 for example?  (In general use speed / 8
> > as the speed to '-s'.)
> > 
> > Also, is your card a modem or a dual-port card?
> > 
> > -- 
> > John Baldwin
> 
> It is a modem.
> 
> As suggested:
> 
> kosmos# cu -l /dev/cuau0 -s 1200
> Stale lock on cuau0 PID=3642... overriding.
> Connected
> at&F
> OK
> atdt0045*******
> NO DIALTONE

Ok, try this updated patch.  After this you should be able to use the correct
speed:

Index: uart_bus_pci.c
===================================================================
--- uart_bus_pci.c	(revision 222285)
+++ uart_bus_pci.c	(working copy)
@@ -110,6 +110,8 @@ 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,
+	8 * DEFAULT_RCLK },
 { 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


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