[U-Boot-Users] Regarding OHCI support in U-boot

R Arun Kumar arun at rassit.com
Tue Mar 21 15:28:26 CET 2006

Hello Sir

I am trying to port usb_ohci code (u-boot-1.1.3 version) from 
 cpu/arm920t/s3c24x0 to our chip NEC 720101  chip
 and it is found that it is hanging when we run usb tree call, even though we havnot out any usb devices.

Please help us.

ATS1.0> usb start
(Re)start USB...
USB:   scanning bus for devices... 1 USB Devices found
ATS1.0> usb info
1: Hub,  USB Revision 1.10
 -  OHCI Root Hub
 - Class: Hub
 - PacketSize: 8  Configurations: 1
 - Vendor: 0x0000  Product 0x0000 Version 0.0
   Configuration: 1
   - Interfaces: 1 Self Powered 0mA
     Interface: 0
     - Alternate Settings 0, Endpoints: 1
     - Class Hub
     - Endpoint 1 In Interrupt MaxPacket 2 Interval 255ms

ATS1.0> usb tree

Device Tree:
  1  Hub (12MBit/s, 0mA)
  |   OHCI Root Hub

R Arun Kumar
Sr.Project Engineer
RASS IT Solutions (P) Ltd.
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