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Date:      Fri, 7 Jan 2005 16:32:31 -0800
From:      Paul Hoffman <phoffman@proper.com>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Getting USB2 on FreeBSD 5.3?
Message-ID:  <p0620070bbe04cc4ea356@[10.20.30.249]>

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Greetings again. I have a no-name USB 2 controller card in my server 
running FreeBSD 5.3. I rebuilt the kernel with the ehci driver 
(simply by adding a line to copy of GENERIC and rebuilding). The box 
already has two USB 1 ports. The dmesg says:

. . .
ohci0: <NEC uPD 9210 USB controller> mem 0xfe123000-0xfe123fff irq 18 
at device 3.0 on pci0
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0
usb0: <NEC uPD 9210 USB controller> on ohci0
usb0: USB revision 1.0
uhub0: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1: <NEC uPD 9210 USB controller> mem 0xfe122000-0xfe122fff irq 19 
at device 3.1 on pci0
ohci1: [GIANT-LOCKED]
usb1: OHCI version 1.0
usb1: <NEC uPD 9210 USB controller> on ohci1
usb1: USB revision 1.0
uhub1: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
ehci0: <NEC uPD 720100 USB 2.0 controller> mem 0xfe124000-0xfe1240ff 
irq 18 at device 3.2 on pci0
ehci0: [GIANT-LOCKED]
ehci_pci_attach: companion usb0
ehci_pci_attach: companion usb1
usb2: EHCI version 0.95
usb2: companion controllers, 3 ports each: usb0 usb1
usb2: <NEC uPD 720100 USB 2.0 controller> on ehci0
usb2: USB revision 2.0
uhub2: NEC EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub2: 5 ports with 5 removable, self powered
. . .
ohci2: <OHCI (generic) USB controller> mem 0xfe120000-0xfe120fff irq 
3 at device 15.2 on pci0
ohci2: [GIANT-LOCKED]
usb3: OHCI version 1.0, legacy support
usb3: SMM does not respond, resetting
usb3: <OHCI (generic) USB controller> on ohci2
usb3: USB revision 1.0
uhub3: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered

When I plug in a USB 2 IDE adapter to the USB 2 card, I see:

umass0: Myson Century, Inc. USB Mass Storage Device, rev 2.00/a3.01, addr 2
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <ST312002 6A 3.04> Fixed Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 114473MB (234441648 512 byte sectors: 255H 63S/T 14593C)

The transfers happen at USB 1, not USB 2 speeds, which is of course 
not what I want.

I can't tell why da0 is getting the slow (USB 1) mode. I also can't 
figure out what the heck ohci2 is; there is only the on-board USB 1 
ports (which I assume are ohci0 and ohci1) and the card (which is 
clearly ehci0). Is ohci2 possibly also running on the add-in card and 
stomping on ehci0?

I guess a related question is how can I tell what device umass0 
thinks it is plugged into?

--Paul Hoffman



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