On Fri, 2006-04-07 at 11:12 +1000, Dan wrote: > I have a PCI express rs232 card made by these people: www.softio.com. In > particular I am using several ic0658kb in several machines. Dell > Poweredge 850s to be precise, using the A02 bios firmware. > > The softio people say their cards are supported in Linux, but I suspect > the 2.6 kernel's serial driver does not know/recognize the device id of > this card. > > Here is what lspci says: > > 02:00.0 Class 0700: 1415:950b (prog-if 06) > Subsystem: 1415:0001 > Flags: medium devsel, IRQ 169 > I/O ports at ecf8 [size=8] > Memory at fe9ff000 (32-bit, non-prefetchable) [size=4K] > I/O ports at ece0 [size=16] > Memory at fe9fe000 (32-bit, non-prefetchable) [size=4K] > Memory at fe9fd000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 1 > > 02:01.0 Class 0700: 1415:950b (prog-if 06) > Subsystem: 1415:0001 > Flags: medium devsel, IRQ 50 > I/O ports at ecf0 [size=8] > Memory at fe9fc000 (32-bit, non-prefetchable) [size=4K] > I/O ports at ecd0 [size=16] > Memory at fe9fb000 (32-bit, non-prefetchable) [size=4K] > Memory at fe9fa000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 1 > > > When inspecting dmesg I notice the following, which seems relevant at > this point: > > 00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 169 > ACPI: PCI interrupt for device 0000:02:00.0 disabled > ACPI: PCI Interrupt 0000:02:01.0[A] -> GSI 17 (level, low) -> IRQ 50 > ACPI: PCI interrupt for device 0000:02:01.0 disabled > > The softio people suggested i manually try configuring the devices with > setserial but i did not think this would work: > > setserial /dev/ttyS4 Port 0xecf8 IRQ 169 UART 16950 baud_base 115200 > setserial /dev/ttyS5 Port 0xecf0 IRQ 50 UART 16950 baud_base 115200 > > However the device nodes did not exist. > > Bit of googling shows the chip used on this card has been used in pcmcia > serial controllers, but thats of little help as this device is PCI > express. > > What do I need to do to get this card to work? Anyone know? > > Cheers, > > Dan > Dan, Try mknod /dev/ttyS4 c 4 67 to make the device node, then: setserial /dev/ttyS4 Port 0xecf8 IRQ 169 UART 16950 baud_base 115200 This will not survive a reboot. Your udev config will need mods to automagically create the device node at boot time. Bob...
