cvs commit: src/sys/dev/usb umass.c

Bernd Walter ticso at
Thu Mar 27 03:06:33 PST 2003

On Wed, Mar 26, 2003 at 11:50:00AM -0800, Bill Paul wrote:
> THE USB200M is a USB 2.0 device, which seems to be using an
> ASIX Electronics AX88172. The datasheet for this chip is at:
> I also put a copy at:
> The only problem with this chip is that I don't think FreeBSD supports
> any USB 2.0 controllers yet. Am I wrong? It's sort of pointless to wish
> for support for a USB 2.0 device if we don't even have a USB 2.0 stack.

USB 2.0 is on the way:
ehci0: <NEC uPD 720100 USB 2.0 controller> mem 0xe0005000-0xe00050ff irq 12 at device 12.2 on pci0
ehci_pci_attach: companion usb2
ehci_pci_attach: companion usb3
usb4: EHCI version 0.95
usb4: companion controllers, 3 ports each: usb2 usb3
usb4: <NEC uPD 720100 USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub5: NEC EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub5: 5 ports with 5 removable, self powered

B.Walter                   BWCT      
ticso at                                  info at

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