On Mon, Sep 8, 2008 at 9:48 PM, Joseph Smith <[EMAIL PROTECTED]> wrote: > > > > On Tue, 09 Sep 2008 03:31:00 +0200, Carl-Daniel Hailfinger > <[EMAIL PROTECTED]> wrote: >> I wanted to know which physical port of my multiple USB controllers have >> the debug capability. There was no way to find that easily, so I created >> a tool which will do most of the work for the user. >> >> Example output: >> The following PCI devices support a USB debug port (says lspci): >> 0000:00:1d.7 >> The following PCI devices support a USB debug port (says the kernel): >> 0000:00:1d.7 >> PCI device 0000:00:1d.7, USB bus 3, USB physical port 1 >> Currently connected high-speed devices: >> /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M >> |__ Port 2: Dev 20, If 0, Class=stor., Driver=usb-storage, 480M >> >> The output can be improved, but it's a good start. >> > Doesn't lspci -vvv tell you? It does for me on the ICH4 > > 00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI > Controller (rev 02) (prog-if 20 [EHCI]) > Subsystem: Unknown device bc8a:4610 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- > <MAbort- >SERR- <PERR- > Latency: 0 > Interrupt: pin D routed to IRQ 11 > Region 0: Memory at feb7fc00 (32-bit, non-prefetchable) [size=1K] > Capabilities: [50] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA > PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [58] Debug port
But IIRC, only the first port on the controller works as a debug port, and Carl-Daniel's program will let you figure out exactly which port that is, by swapping a USB device between the two ports. Right? -Corey -- coreboot mailing list [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
