Date: Thu, 17 Oct 2013 18:23:56 -0700 From: Doug White <dwhite@gumbysoft.com> To: Hans Petter Selasky <hps@bitfrost.no> Cc: freebsd-usb@freebsd.org Subject: Re: xhci on Intel Lynx Point still broke Message-ID: <F5752726-258A-4744-A6C2-CF998EA7EBDD@gumbysoft.com> In-Reply-To: <525F7B60.6030102@bitfrost.no> References: <7CFE54E6-7FD5-40C5-B1FC-BBF46134A6AE@gumbysoft.com> <525F7B60.6030102@bitfrost.no>
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On Oct 16, 2013, at 10:53 PM, Hans Petter Selasky wrote: > Is the problem fixed if you set: >=20 > hw.usb.xhci.xhci_port_route=3D-1 >=20 > in /boot/loader.conf No, no change in (lack of) functionality. I uploaded these bootverbose-enabled dmesg outputs: With XHCI Mode =3D Disabled in BIOS (reverts ports to EHCI control): http://people.freebsd.org/~dwhite/dmesg.xhci_off_in_bios.20131017 With XHCI Mode =3D Enabled in BIOS and with tunable = hw.usb.xhci.xhci_port_route=3D-1 set: http://people.freebsd.org/~dwhite/dmesg.xhci_on.with_routing.20131017 > XHCI is a more high-level controller, and I suspect that the makers = have added some propritary glue to switch ports back and forth between = XHCI and EHCI which is not documented anywhere. On the first board (X10SLM-F), XHCI Mode is a BIOS setting and affects = all USB ports. I haven't experimented with settings on the Atom yet. The = Atom uses a Renesas chip for its USB ports, though, and no USB from the = SoC itself, that I can tell.
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