Maybe there's something with SOF generation - check if RCCR[EIE] is set. Just a pure guess... Alex Zeffertt wrote: > Hi list, > > I'm trying to get the m82xxhci USB host controller driver working on > my MPC8272ADS board, and linux-2.4.25. > > I can compile and modprobe the module. When I insert a USB pen drive > I get the following message: > > # hub.c: new USB device m8xxhci-1, assigned address 4 > Manufacturer: > Product: USB Disk Pro > SerialNumber: 07531E630012 > scsi0 : SCSI emulation for USB Mass Storage devices > > Which looks okay. But after a long delay I get: > > # usb_control/bulk_msg: timeout > > Then after another delay: > > # usb-storage: host_reset() requested but not implemented > # > > > Then after another delay: > > # scsi: device set offline - command error recover failed: host 0 > channel 0 id 0 lun 0 > > After this final message, but not before, the pen drive device appears > in /proc/bus/usb/devices: > > # cat /proc/bus/usb/devices > T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 1 > B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=0000 ProdID=0000 Rev= 0.00 > S: Product=USB MPC8xx Root Hub > S: SerialNumber=f0011b60 > C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA > I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 > D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=0d7d ProdID=0120 Rev= 1.00 > S: Manufacturer= > S: Product=USB Disk Pro > S: SerialNumber=07531E630012 > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA > I: If#= 0 Alt= 0 #EPs= 3 Cls=08(stor.) Sub=04 Prot=00 > Driver=usb-storage E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=83(I) Atr=03(Int.) MxPS= 2 Ivl=1ms > > > > Does anybody have any idea what could be causing this problem? The > HCI is clearly able to communicate with the device because it > identifies it. But I don't know why the timeout should occur! > > > Alex > > > PS A possibly related problem: I have built sd_mod.o as a module, and > I can modprobe sd_mod okay. However, after I have run modprobe I > still do not see an "sd" block device in /proc/devices. I have no > idea why though.... > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded at ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >
-- Sincerely, Vitaly
