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Date:      Mon, 08 Dec 2014 10:55:02 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-usb@FreeBSD.org
Subject:   [Bug 195793] USB 3.0 support on Intel H97 chipset
Message-ID:  <bug-195793-17-eECmOTrutP@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-195793-17@https.bugs.freebsd.org/bugzilla/>
References:  <bug-195793-17@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195793

Hans Petter Selasky <hselasky@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Open
                 CC|                            |hselasky@FreeBSD.org

--- Comment #1 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Hi,

I'm not sure about Haswell, but Panther point chipsets has a propritary USB
extension to switch on/off USB 3.0 support. Look for:

        /* On Intel chipsets reroute ports from EHCI to XHCI controller. */
        switch (pci_get_devid(self)) {
        case 0x0f358086:        /* BayTrail */
        case 0x9c318086:        /* Panther Point */
        case 0x1e318086:        /* Panther Point */
        case 0x8c318086:        /* Lynx Point */
                sc->sc_port_route = &xhci_pci_port_route;
                sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;
                break;
        default:
                break;
        }


In: sys/dev/usb/controller/xhci_pci.c

Maybe you need to add your HASWELL XHCI ID's there!

--HPS

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