Need assistance with enabling the SMBus on an Intel 855PM 82801DB

Bradley Chapman kakadu at gmail.com
Thu Apr 14 23:56:02 CEST 2005


Mr. Marek,

On 4/14/05, Rudolf Marek <r.marek at sh.cvut.cz> wrote:
> Hello,
> 
> Hmm I cant see subsystem ID in host bridge, please can you do
> lspci -v -v -v

0000:00:00.0 Host bridge: Intel Corp. 82855PM Processor to I/O
Controller (rev 21)
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+ >SERR- <PERR-
        Latency: 0
        Region 0: Memory at a0000000 (32-bit, prefetchable) [size=64M]
        Capabilities: [e4] #09 [4104]
        Capabilities: [a0] AGP version 2.0
                Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
                Command: RQ=1 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW+ Rate=x4

0000:00:01.0 PCI bridge: Intel Corp. 82855PM Processor to AGP
Controller (rev 21) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
        Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 128
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
        I/O behind bridge: 0000c000-0000dfff
        Memory behind bridge: e0000000-efffffff
        Prefetchable memory behind bridge: 90000000-9fffffff
        BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-

0000:00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03) (prog-if 00
[UHCI])
        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-
        Latency: 0
        Interrupt: pin A routed to IRQ 10
        Region 4: I/O ports at e000 [size=32]

0000:00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03) (prog-if 00
[UHCI])
        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-
        Latency: 0
        Interrupt: pin B routed to IRQ 11
        Region 4: I/O ports at e120 [size=32]

0000:00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03) (prog-if 00
[UHCI])
        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-
        Latency: 0
        Interrupt: pin C routed to IRQ 10
        Region 4: I/O ports at e240 [size=32]

0000:00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB
2.0 EHCI Controller (rev 03) (prog-if 20 [EHCI])
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 0
        Interrupt: pin D routed to IRQ 11
        Region 0: Memory at f0000000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] #0a [2080]

0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 83)
(prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR+
        Latency: 0
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
        I/O behind bridge: 0000a000-0000bfff
        Memory behind bridge: d0000000-dfffffff
        Prefetchable memory behind bridge: 80000000-8fffffff
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-

0000:00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (rev 03)
        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-
        Latency: 0

0000:00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA
Storage Controller (rev 03) (prog-if 8a [Master SecP PriP])
        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-
        Latency: 0
        Interrupt: pin A routed to IRQ 10
        Region 0: I/O ports at <unassigned>
        Region 1: I/O ports at <unassigned>
        Region 2: I/O ports at <unassigned>
        Region 3: I/O ports at <unassigned>
        Region 4: I/O ports at 1100 [size=16]
        Region 5: Memory at 20000000 (32-bit, non-prefetchable) [size=1K]

0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 0
        Interrupt: pin B routed to IRQ 11
        Region 0: I/O ports at e400 [size=256]
        Region 1: I/O ports at e600 [size=64]
        Region 2: Memory at f0000400 (32-bit, non-prefetchable) [size=512]
        Region 3: Memory at f0000600 (32-bit, non-prefetchable) [size=256]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

0000:00:1f.6 Modem: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
AC'97 Modem Controller (rev 03) (prog-if 00 [Generic])
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 0
        Interrupt: pin B routed to IRQ 11
        Region 0: I/O ports at e800 [size=256]
        Region 1: I/O ports at ea00 [size=128]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

0000:01:00.0 VGA compatible controller: ATI Technologies Inc RV350
[Mobility Radeon 9600 M10] (prog-if 00 [VGA])
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 255 (2000ns min), Cache Line Size: 0x04 (16 bytes)
        Interrupt: pin A routed to IRQ 10
        Region 0: Memory at 90000000 (32-bit, prefetchable) [size=128M]
        Region 1: I/O ports at c000 [size=256]
        Region 2: Memory at e0000000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [58] AGP version 2.0
                Status: RQ=80 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
                Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit-
FW+ Rate=x4
        Capabilities: [50] 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-

0000:02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8169 Gigabit Ethernet (rev 10)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 128 (8000ns min, 16000ns max), Cache Line Size: 0x04 (16 bytes)
        Interrupt: pin A routed to IRQ 10
        Region 0: I/O ports at a200 [size=256]
        Region 1: Memory at d0008000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [dc] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0-,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

0000:02:02.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21
IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI])
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 128 (500ns min, 1000ns max), Cache Line Size: 0x04 (16 bytes)
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at d0001000 (32-bit, non-prefetchable) [size=2K]
        Region 1: Memory at d0004000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [44] 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+

0000:02:03.0 Network controller: Intel Corp. PRO/Wireless 2200BG (rev 05)
        Subsystem: Intel Corp.: Unknown device 2701
        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-
        Latency: 128 (750ns min, 6000ns max)
        Interrupt: pin A routed to IRQ 10
        Region 0: Memory at d0000000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [dc] Power Management version 2
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-

0000:02:09.0 CardBus bridge: Texas Instruments: Unknown device ac54 (rev 01)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 168, Cache Line Size: 0x10 (64 bytes)
        Interrupt: pin A routed to IRQ 10
        Region 0: Memory at 20001000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
        Memory window 0: 20400000-207ff000 (prefetchable)
        Memory window 1: 20800000-20bff000
        I/O window 0: 00004000-000040ff
        I/O window 1: 00004400-000044ff
        BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
        16-bit legacy interface ports at 0001

0000:02:09.1 CardBus bridge: Texas Instruments: Unknown device ac54 (rev 01)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 168, Cache Line Size: 0x10 (64 bytes)
        Interrupt: pin B routed to IRQ 11
        Region 0: Memory at 20002000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=02, secondary=07, subordinate=0a, sec-latency=176
        Memory window 0: 20c00000-20fff000 (prefetchable)
        Memory window 1: 21000000-213ff000
        I/O window 0: 00004800-000048ff
        I/O window 1: 00004c00-00004cff
        BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
        16-bit legacy interface ports at 0001

0000:02:09.2 System peripheral: Texas Instruments: Unknown device 8201 (rev 01)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0470
        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-
        Latency: 128 (1750ns min, 1000ns max), Cache Line Size: 0x04 (16 bytes)
        Region 0: I/O ports at a000 [size=64]
        Capabilities: [44] 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-

> 
> You might try to edit quirks.c
> 
> Find this in the file:
> 
> static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
> {
>         if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK)) {
>                 if (dev->device == PCI_DEVICE_ID_INTEL_82845_HB)
>                         switch(dev->subsystem_device) {
> 
> And add one line there like this:
> 
> static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
> {
> asus_hides_smbus = 1;
>         if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK)) {
>                 if (dev->device == PCI_DEVICE_ID_INTEL_82845_HB)
>                         switch(dev->subsystem_device) {
> 
> Build kernel and reboot. You should now have the smbus enabled.
> Run sensors-detect to see if there is something useful.
> 
> If so please tell us so, and we will fix the quirk. If there is nothing we are sorry.

OK. I will try this and report back.

> 
> 
> Regards
> 
> Rudolf

Brad
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