From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= Date: Fri, 6 May 2011 23:51:14 +0200 Subject: Interesting 14e4:4321 In-Reply-To: <4DC469E1.2040101@hauke-m.de> References: <4DC469E1.2040101@hauke-m.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org W dniu 6 maja 2011 23:36 u?ytkownik Hauke Mehrtens napisa?: > On 05/06/2011 10:40 PM, Rafa? Mi?ecki wrote: >> Swen has found 14e4:4321 in his WRT160N version 1.1. This is quite >> rare and interesting so I wanted to post all info about it :) >> >> I'm attaching lspci and dmesg. >> >> I find it interesting because it seems to be SSB SOC with standard >> cores: CC, FastEthernet, USB, MIPS, etc. Plus there is PCI bridge with >> 14e4:4321 card connected, which is SSB-based one with (the most >> interesting) 80211. >> >> Unfortunately this is one another BCM4321 with DMA not working. I >> really need to focus on this after fixing LP-PHY and adding BCMA. >> > Hi Rafa?, > > RealOpty reported the same DMA error in the OpenWrt channel and it is > nice that you are working on this. He was using a Netgear WNR834B V2. > Here is his dmesg output: http://paste.ubuntu.com/599979/ It's nice to see my ssb check for 0x0F90 is working :) > We already fixed some of the problems with these devices but have not > investigated into the DMA errors. Fortunately some Polish user sent me his already-replaced BCM4321 card. So I can reproduce DMA problems locally. > The cardbus attribute in the nvram seams to be set wrong for some > devices we added a workaround for it for the Netgear WNR834B V2. [0] It > would be nice to get the nvram content ( nvram show ) to also detect > this device and activate the workaround for it. Swen: could you provide "nvram show" from your device for Hauke, please? > The SPROM is not stored on the pci card but in the nvram on the flash > chip of the device. This is now correctly read out in OpenWrt and we > will send some patches to mainline soon. [1] [2] Swen already updated his OpenWRT trunk and he got SPROM fallback working :) -- Rafa?