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Date:	Fri, 8 Jan 2010 13:46:31 -0800
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	"Satanand Burla" <Satanand_Burla@...enix.com>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Matthew Carlson" <mcarlson@...adcom.com>
Subject: Re: tg3 does not recognize BCM57788

On Fri, Jan 08, 2010 at 01:11:42PM -0800, Satanand Burla wrote:
> Hi,
>     I am trying to get BCM57788 (14e4:1691) device to work on an Intel board. I get the following error in my dmesg. I am trying with the latest tg3 driver from  net-next (http://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git).
> 
> [56902.029119] tg3.c:v3.105 (December 2, 2009)
> [56902.029128] tg3 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> [56902.029137] tg3 0000:01:00.0: setting latency timer to 64
> [56902.032038] tg3 0000:01:00.0: PME# disabled
> [56902.033051] tg3 mdio bus: probed
> [56902.033052] eth%d: No PHY devices
> [56902.033295] tg3: Problem fetching invariants of chip, aborting.
> [56902.033381] tg3 0000:01:00.0: PCI INT A disable
> 
> It seems to be the same problem as reported here  https://bugzilla.redhat.com/show_bug.cgi?id=525966
> Except that it is BCM57788. I tried to load the broadcom.ko module before tg3 but I still get the same error.
> 
> And here is the complete lspci -vvxxx of my Broadcom device
> 
> 
> 01:00.0 Ethernet controller: Broadcom Corporation Device 1691 (rev 01)
> 	Subsystem: Intel Corporation Device d620
> 	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Interrupt: pin A routed to IRQ 16
> 	Region 0: Memory at e0600000 (64-bit, non-prefetchable) [size=64K]
> 	Capabilities: [48] Power Management version 3
> 		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
> 		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
> 	Capabilities: [60] Vendor Specific Information <?>
> 	Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable-
> 		Address: 7b816074f6923efc  Data: 78c1
> 	Capabilities: [cc] Express (v2) Endpoint, MSI 00
> 		DevCap:	MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited
> 			ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> 		DevCtl:	Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
> 			RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
> 			MaxPayload 128 bytes, MaxReadReq 4096 bytes
> 		DevSta:	CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
> 		LnkCap:	Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <32us
> 			ClockPM+ Suprise- LLActRep- BwNot-
> 		LnkCtl:	ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
> 			ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> 		LnkSta:	Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> 		DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
> 		DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
> 		LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-, Selectable De-emphasis: -6dB
> 			 Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
> 			 Compliance De-emphasis: -6dB
> 		LnkSta2: Current De-emphasis Level: -6dB
> 	Capabilities: [100] Advanced Error Reporting
> 		UESta:	DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil-
> 		UEMsk:	DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil-
> 		UESvrt:	DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSVoil-
> 		CESta:	RxErr+ BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
> 		CESta:	RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
> 		AERCap:	First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
> 	Capabilities: [13c] Virtual Channel <?>
> 	Capabilities: [160] Device Serial Number f3-2a-cc-fe-ff-c0-1c-00
> 	Capabilities: [16c] Power Budgeting <?>
> 	Kernel modules: tg3
> 00: e4 14 91 16 02 00 10 00 01 00 00 02 10 00 00 00
> 10: 04 00 60 e0 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 20 d6
> 30: 00 00 00 00 48 00 00 00 00 00 00 00 0b 01 00 00
> 40: 00 00 00 00 00 00 00 00 01 60 03 c0 08 20 00 08
> 50: 05 cc 80 00 fc 3e 92 f6 74 60 81 7b c1 78 00 00
> 60: 09 50 6c 00 2c e1 af ff 9a 00 01 f0 00 00 18 76
> 70: 72 10 00 00 00 00 00 00 20 70 00 00 00 00 00 00
> 80: 00 00 00 00 70 a4 b6 40 34 00 12 00 fe 50 08 20
> 90: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> b0: 00 00 00 00 00 00 00 00 00 00 00 00 01 00 78 57
> c0: 00 00 00 00 e4 14 91 16 0e 00 00 00 10 00 02 00
> d0: a0 8f 00 00 00 50 10 00 11 cc 06 00 40 00 11 10
> e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> f0: 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 
> 
> Please let me know if any other info is needed or if there is anything I am missing or  any patches to try. I am not subscribed to netdev, so please be considerate to CC or mail the reply.
> 
> Regards,
> Satanand.

That's strange.  Loading the broadcom module first should have worked.

Let me see if I can find a 57788 to repro the problem.

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