Try using "lspci -v | grep HCI"
[root@denise /root]# lspci -v | grep HCI
00:0a.0 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
00:0a.1 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
00:0a.2 USB Controller: NEC Corporation USB 2.0 (rev 02) (prog-if 20
[EHCI])
00:11.2 USB Controller: VIA Technologies, Inc. USB (rev 18) (prog-if 00
[UHCI])
[antonia] ~ > lspci -v | grep HCI
00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
/proc/pci is depricated.
On Tue, 30 Jul 2002, Panuganty, Ramesh wrote:
> I was desperately trying to get some information on this subject, to do
> some automation for a new USB driver installation, but kept getting the
> same incomplete information everywhere.
>
> Can someone tell me how do I correctly identify which controller is
> present on a system with 2.4 kernel?
>
> For OHCI, look for 32-bit memory at 0xHH000000 in /proc/pci
> For UHCI, look for 0xHHHH in /proc/pci
>
> How do I detect EHCI and UHCI-Alt? What is the pattern for them in
> /proc/pci?
>
> If UHCI-Alt also gets 0xHHHH in /proc/pci, which one should I try first?
> uhci.o or usb-uhci.o and why?
>
> Will the logic be different for a 2.6 kernel?
>
> Thanks,
> Ramesh
> (Please CC me on the replies)
>
>
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