[LinuxBIOS] EHCI Debug Port on ICH4/ICH4-M chipset

Uwe Hermann uwe at hermann-uwe.de
Sat Sep 15 00:09:01 CEST 2007


On Fri, Sep 14, 2007 at 11:44:26PM +0200, Dieter Bloms wrote:
> Hi,
> 
> On Fri, Sep 14, Uwe Hermann wrote:
> 
> > Fixed in the wiki, thanks!
> > 
> > I was the one who added the ICH4 in the wiki, but I don't remember which
> > system I used to test that back then. Maybe I confused it with
> > some other chipset or I was drunk or something ;-)
> 
> 
> hmm, may system has no debug port:
> 
> --snip--
> video:~# lspci -vs $(lspci|grep EHCI|cut -f1 -d' ')
> 00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
>         Subsystem: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
>         Flags: bus master, medium devsel, latency 0, IRQ 193
>         Memory at ed100000 (32-bit, non-prefetchable) [size=1K]
>         Capabilities: [50] Power Management version 2
> 
> video:~#
> --snip--
> 
> so I think there are some different chips around. My is a rev 02 and
> Marcin one is a rev 01. Maybe that is the reason.

Did you both run the command as root (don't know, maybe it makes a
difference)? But yeah, there could be differences between revisions...


Uwe.
-- 
http://www.hermann-uwe.de  | http://www.holsham-traders.de
http://www.crazy-hacks.org | http://www.unmaintained-free-software.org
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