Problem related with USB OHCI

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Date: 26 Jan 2005 21:22:10 -0800

Hi
Friends,
I am working on USB OHCI 1.1. driver on pxa27x. The kernel i am using
is 2.6.10 that come up with ohci-pxa2x7x code.

I am using only port 1.
The problem arise when driver code gives reset to port 1 (BY SETTING 1
TO UHCRHPS1[PRS]). This reset in turn should enable the port
UHCRHPS1[PES](make it 1) , but its not doing that and it also showing
UHCRHPS1[PRSC]=1 (port reset complete), UHCRHPS1[CSC]=1 (connect
status change), UHCRHPS1[PESC]=1 (port enable status change).

The following is the error that i am facing.

"hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?"

 I am using per port power mode. Its also not showing overcurrent
condition for port 1.
The following are the status of registers while this error occured.

UHCREV = 10
UHCHCON = 83
UHCCOMS = 0
UHCINTS = 44
UHCINTE = 8000001a
UHCINTD = 8000001a
UHCHCCA = a03e5000
UHCPCED = 0
UHCCHED = 0
UHCCCED = 0
UHCBHED = 0
UHCBCED = 0
UHCDHEAD = 0
UHCFMI = 27782edf
UHCFMR = 2dc
UHCFMN = 1656
UHCPERS = 2a2f
UHCLST = 628
UHCRHDA = 4000902
UHCRHDB = e0000
UHCRHS = 8000
UHCRHPS1 = 130301
UHCRHPS2 = 8
UHCRHPS3 = 8
/*--non ohci registers*/
UHCSTAT = 0
UHCHR = 44
UHCHIE = 2080
UHCHIT = 0

If anybody might come across such problme or anybody has some idea
about it, then please share your idea.

regards,
ankit

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