[LinuxBIOS] PCI-Bridge Problem - AMD Geode LX - PLX PCI6150

Steffen D. ml at saxnet.de
Thu Sep 20 14:43:30 CEST 2007


Long mail below :)....
>> Lspci -vvv also says "Interrupt: pin A routed to IRQ 0" (for the wifi 
>> card). Seems that it is the problem but what can i do now?
>>
>> More output from lspci -vvv (PCI2PCI-Bridge)
>> -----------------------
>> 00:0e.0 PCI bridge: Hint Corp HiNT HB4 PCI-PCI Bridge (PCI6150) (rev 04) 
>> (prog-if 00 [Normal decode])
>>     
>
> Could you send the corresponding lspci output from when booting the
> factory BIOS?
>   
Full "lspci -vvv" output:
Orig. Bios: http://nopaste.php-quake.net/5046
Linux-Bios: http://nopaste.php-quake.net/5047

Ok here is the lspci -vvvv.... output whenn booting the factory 
"default" bios:
Bridge:
------------
00:0e.0 PCI bridge: Hint Corp HiNT HB4 PCI-PCI Bridge (PCI6150) (rev 04) 
(prog-if 00 [Normal decode])
        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: 64, Cache Line Size: 32 bytes
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: efd00000-efdfffff
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
                Bridge: PM- B3+
        Capabilities: [e4] #06 [0094]
        Capabilities: [e8] Vital Product Data
---------------------

WiFi-Card:

---------------------
01:0f.0 Ethernet controller: Atheros Communications, Inc. AR5212/AR5213 
Multiprotocol MAC/baseband processor (rev 01)
        Subsystem: Askey Computer Corp. Unknown device 7005
        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 (2500ns min, 7000ns max), Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at efd00000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=2 PME-
------------------------

> Seems there's a common problem with LB and PCI-PCI bridges. Also some
> trouble on the M57SLI discussed right now.
>
> Is your bridge also set to subtractive decode with the factory BIOS?
>
>   
>>         I/O behind bridge: 0000f000-00000fff
>>     
> These two values look wrong.
>
>
>   
>>         Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
>>     
>
> As does these.
>
>   

Looks like that it is the same?

>>         Interrupt: pin A routed to IRQ 0
>>     
>
> This is definately not right.
>
>   
regards,

steffen




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