Date: Wed, 13 Jan 2016 08:30:08 -0800 From: Mark Johnston <markjdb@gmail.com> To: Hans Petter Selasky <hps@selasky.org> Cc: freebsd-usb@freebsd.org Subject: Re: CP2102 UART adapter not attaching Message-ID: <20160113163008.GA1974@raichu> In-Reply-To: <569602F1.70401@selasky.org> References: <20160110040732.GA2606@raichu> <56936A9D.2060209@selasky.org> <20160113060434.GA2434@raichu> <5695EBE0.8020501@selasky.org> <20160113061722.GB2434@raichu> <569602F1.70401@selasky.org>
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On Wed, Jan 13, 2016 at 08:55:29AM +0100, Hans Petter Selasky wrote: > On 01/13/16 07:17, Mark Johnston wrote: > > On Wed, Jan 13, 2016 at 07:17:04AM +0100, Hans Petter Selasky wrote: > >> On 01/13/16 07:04, Mark Johnston wrote: > >>> On Mon, Jan 11, 2016 at 09:41:01AM +0100, Hans Petter Selasky wrote: > >>>> On 01/10/16 05:07, Mark Johnston wrote: > >>>>> Hi, > >>>>> > >>>>> I have the module listed here: > >>>>> http://www.amazon.com/KEDSUM%C2%AE-CP2102-Module-Download-Converter/dp/B009T2ZR6W > >>>>> > >>>>> Under Windows 8 it works perfectly, but on FreeBSD-CURRENT I get: > >>>>> > >>>>> usb_alloc_device: set address 3 failed (USB_ERR_STALLED, ignored) > >>>>> usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED > >>>>> usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) > >>>>> usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED > >>>>> usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) > >>>>> usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED > >>>>> usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) > >>>>> usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED > >>>>> usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) > >>>>> usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED > >>>>> ugen1.3: <Unknown> at usbus1 (disconnected) > >>>>> uhub_reattach_port: could not allocate new device > >>>>> > >>>>> It looks like this device should be handled by uslcom(4), but it looks > >>>>> like we can't even get the device descriptor. How can I go about > >>>>> debugging this? > >>>> > >>>> Hi, > >>>> > >>>> What does "usbconfig" say about your USB controllers? > >>>> > >>>> Did you try to connect through an external USB HUB? > >>> > >>> No, I don't have one handy. usbconfig shows: > >>> > >>> ugen0.1: <XHCI root HUB 0x8086> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps) pwr=SAVE (0mA) > >>> ugen1.1: <EHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE (0mA) > >>> ugen2.1: <EHCI root HUB Intel> at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE (0mA) > >>> > >> > >> Could you show what "pciconf -lv" says about xhci0. Sometimes you need > >> to set a special routing register before some XHCI controllers work! > > > > xhci0@pci0:0:20:0: class=0x0c0330 card=0x84ca1043 chip=0x1e318086 rev=0x04 hdr=0x00 > > vendor = 'Intel Corporation' > > device = '7 Series/C210 Series Chipset Family USB xHCI Host Controller' > > class = serial bus > > subclass = USB > > > > I'm plugging the module into the first EHCI controller though - it's a > > USB 2.0 device. > > > > In src/sys/dev/usb/controller/xhci_pci.c you can try adding the PCI chip > ID to the following list: It looks like 0x1e318086 is already in the list? > > case 0x0f358086: /* BayTrail */ > case 0x9c318086: /* Panther Point */ > case 0x1e318086: /* Panther Point */ > case 0x8c318086: /* Lynx Point */ > case 0x8cb18086: /* Wildcat Point */ > case 0x9cb18086: /* Broadwell Mobile Integrated */ > /* > * On Intel chipsets, reroute ports from EHCI to XHCI > * controller and use a different IMOD value. > */ > > > --HPS
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