Return-path: Received: from adelie.canonical.com ([91.189.90.139]:46417 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752106AbZIPNx5 (ORCPT ); Wed, 16 Sep 2009 09:53:57 -0400 Message-ID: <4AB0EDEB.9010803@canonical.com> Date: Wed, 16 Sep 2009 21:53:47 +0800 From: Bryan Wu MIME-Version: 1.0 To: =?ISO-8859-1?Q?G=E1bor_Stefanik?= CC: mb@bu3sch.de, stefano.brivio@polimi.it, linux-wireless@vger.kernel.org Subject: Re: [b43] About supporting of BCM4312 [14e4:4315] with Low Power PHY References: <4AA9B46E.8020100@canonical.com> <69e28c910909102318u465f6c75w46a2404a8e8d9f08@mail.gmail.com> In-Reply-To: <69e28c910909102318u465f6c75w46a2404a8e8d9f08@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Gabor, I tried the latest cmpat-wireless 09-16 snapshot on my machine which runs on 2.6.31 Ubuntu Karmic latest kernel. The hardware probing passes and wlan1 interface shows up. But the iwlist scanning got no data from wlan1 interface, dmesg: --- [ 364.371703] b43-pci-bridge 0000:07:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 364.371761] b43-pci-bridge 0000:07:00.0: setting latency timer to 64 [ 364.437779] ssb: Sonics Silicon Backplane found on PCI device 0000:07:00.0 [ 364.491488] b43-phy0: Broadcom 4312 WLAN found (core revision 15) [ 364.533562] b43-phy0 debug: Found PHY: Analog 6, Type 5, Revision 1 [ 364.533604] b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2062, Revision 2 [ 364.693040] phy0: Selected rate control algorithm 'minstrel' [ 364.701666] Broadcom 43xx driver loaded [ Features: PML, Firmware-ID: FW13 ] [ 364.748486] udev: renamed network interface wlan0 to wlan1 [ 364.824296] b43 ssb0:0: firmware: requesting b43/ucode15.fw [ 364.901848] b43 ssb0:0: firmware: requesting b43/lp0initvals15.fw [ 364.931482] b43 ssb0:0: firmware: requesting b43/lp0bsinitvals15.fw [ 365.140212] b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10) [ 365.144349] b43-phy0 debug: b2062: Using crystal tab entry 19200 kHz. [ 365.412558] b43-phy0 debug: Chip initialized [ 365.413163] b43-phy0 debug: 64-bit DMA initialized [ 365.413356] b43-phy0 debug: QoS enabled [ 365.434064] Registered led device: b43-phy0::tx [ 365.434315] Registered led device: b43-phy0::rx [ 365.434545] Registered led device: b43-phy0::radio [ 365.435079] b43-phy0 debug: Wireless interface started [ 365.435208] b43-phy0 debug: Adding Interface type 2 ---- ifconfig: --- $ ifconfig eth0 Link encap:Ethernet HWaddr 00:24:e8:bd:c9:3d inet addr:10.101.46.6 Bcast:10.101.46.255 Mask:255.255.255.0 inet6 addr: fe80::224:e8ff:febd:c93d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:797 errors:0 dropped:0 overruns:0 frame:0 TX packets:663 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:76364 (76.3 KB) TX bytes:452350 (452.3 KB) Interrupt:30 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:29 errors:0 dropped:0 overruns:0 frame:0 TX packets:29 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:6202 (6.2 KB) TX bytes:6202 (6.2 KB) wlan1 Link encap:Ethernet HWaddr 00:25:56:a0:15:58 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) --- $ iwconfig wlan1 wlan1 IEEE 802.11bg Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off $ sudo iwlist wlan1 scanning wlan1 No scan results Do you guys think it is related to 64bit DMA issue? I really want to help to develop this b43 opensource driver, anything need me to do, please feel free ping me. Thanks -Bryan G?bor Stefanik wrote: > This chip works (though not quite "supported", that is, can't > guarantee that it will work for you, and speed is not up to par with > wl_hybrid) in wireless-testing. It should also work in > compat-wireless, though compat-wireless is having problems with 64-bit > DMA lately (probably also affects the G-PHY 4311/02). Specifically, > the Dell 1397 (half-mini version of the 1395) and the HP 459263-002 > are known to work. > > On Fri, Sep 11, 2009 at 4:22 AM, Bryan Wu wrote: >> Dear Michael and Stefano, >> >> I have a project which integrate Broadcom Wifi chip. But the mainline b43 still does not support this chip, because it has Low Power PHY. >> >> Here is my lspci -vvnn output for this device: >> ------ >> 07:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01) >> Subsystem: Dell Device [1028:000c] >> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- >> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- > Latency: 0, Cache Line Size: 32 bytes >> Interrupt: pin A routed to IRQ 17 >> Region 0: Memory at f0100000 (64-bit, non-prefetchable) [size=16K] >> Capabilities: [40] Power Management version 3 >> Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) >> Status: D0 PME-Enable- DSel=0 DScale=2 PME- >> Capabilities: [58] Vendor Specific Information >> Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- >> Address: 0000000000000000 Data: 0000 >> Capabilities: [d0] Express (v1) 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 128 bytes >> DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend- >> LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <4us, L1 <64us >> 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- >> Kernel driver in use: b43-pci-bridge >> Kernel modules: ssb >> ------ >> >> Do you guys know how to support this device in 2.6.31 kernel? Need I backport some code from wireless-testing? I enabled the PHY_LP config manually in 2.6.31 kernel and b43 driver recognized the hardware wifi device, but it still >> does not work at all. >> >> Or there is no choice but Broadcom's STA driver? I do not like such non-GPL stuff. >> >> Thanks a lot >> -- >> Bryan Wu >> Kernel Developer +86.138-1617-6545 Mobile >> Ubuntu Kernel Team | Hardware Enablement Team >> Canonical Ltd. www.canonical.com >> Ubuntu - Linux for human beings | www.ubuntu.com >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > >