Hi.
I have a 4-port CardBus device. The kernel (2.6.14-rc1) detects 8 ports:
[ 75.126331] PCI: Enabling device 0000:06:00.0 (0000 -> 0003)
[ 75.126375] ACPI: PCI Interrupt 0000:06:00.0[A] -> Link [LNKA] -> GSI
11 (level, low) -> IRQ 11
[ 75.128420] ttyS4: detected caps 00000700 should be 00000100
[ 75.128441] ttyS4 at I/O 0x3060 (irq = 11) is a 16C950/954
[ 75.131674] ttyS5: detected caps 00000700 should be 00000100
[ 75.131695] ttyS5 at I/O 0x3068 (irq = 11) is a 16C950/954
[ 75.135594] ttyS6: detected caps 00000700 should be 00000100
[ 75.135617] ttyS6 at I/O 0x3070 (irq = 11) is a 16C950/954
[ 75.145197] ttyS7: detected caps 00000700 should be 00000100
[ 75.145220] ttyS7 at I/O 0x3078 (irq = 11) is a 16C950/954
[ 75.218480] PCI: Enabling device 0000:06:00.1 (0000 -> 0003)
[ 75.218530] ACPI: PCI Interrupt 0000:06:00.1[A] -> Link [LNKA] -> GSI
11 (level, low) -> IRQ 11
[ 75.224327] ttyS8 at I/O 0x3020 (irq = 11) is a 16450
[ 75.233726] ttyS9 at I/O 0x3028 (irq = 11) is a 16450
[ 75.243654] ttyS1 at I/O 0x3030 (irq = 11) is a 16450
[ 75.257886] ttyS2 at I/O 0x3038 (irq = 11) is a 16450
I can't get any of the ports to work with vanilla code.
lspci -n
--------
0000:06:00.0 Class 0700: 1415:9504
0000:06:00.1 Class 0680: 1415:9511
lspci -vv
---------
0000:06:00.0 Serial controller: Oxford Semiconductor Ltd: Unknown device
9504 (prog-if 06 [16950])
Subsystem: Oxford Semiconductor Ltd: Unknown device 0000
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 3060
Region 1: I/O ports at 3068 [size=8]
Region 2: I/O ports at 3070 [size=8]
Region 3: I/O ports at 3078 [size=8]
Region 4: I/O ports at 3000 [size=32]
Region 5: Memory at 46000000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2+ AuxCurrent=0mA
PME(D0+,D1-,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
0000:06:00.1 Bridge: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950
UART) function 1
Subsystem: Oxford Semiconductor Ltd: Unknown device 0000
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 3020
Region 1: Memory at 46001000 (32-bit, non-prefetchable) [size=4K]
Region 2: I/O ports at 3040 [size=32]
Region 3: Memory at 46002000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2+ AuxCurrent=0mA
PME(D0+,D1-,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Adding the following code to 8250_pci.c:
+ { PCI_VENDOR_ID_OXSEMI, 0x9504,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_b0_bt_4_921600 },
allows me to use any of the 8 ports from minicom, but only if I
physically connect the first port. I.e.:
I get data trough the first physical port, no matter what port I choose
to use in minicom.
The card works as expected in an Alternative Operating System, using
these drivers: http://www.oxsemi.co.uk/download/updates/up000001/v4_09.zip
Suggestions?
Dag B.
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