AnsweredAssumed Answered

USB Mass storage detection issue in u-boot

Question asked by Chandra Shekhar on Jul 10, 2014
Latest reply on Jul 16, 2014 by Yiping Wang

Hi,

we have developed t1042 based board ,where USB mass storage device is not getting detected at u-boot. Below is the u-boot log messages,

 

=> usb start
(Re)start USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... cannot reset port 1!?
1 USB Device(s) found
USB1:   USB EHCI 1.00
scanning bus 1 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
=> usb info
1: Hub,  USB Revision 2.0
- u-boot EHCI Host Controller
- Class: Hub
- PacketSize: 64  Configurations: 1
- Vendor: 0x0000  Product 0x0000 Version 1.0
   Configuration: 1
   - Interfaces: 1 Self Powered 0mA
     Interface: 0
     - Alternate Setting 0, Endpoints: 1
     - Class Hub
     - Endpoint 1 In Interrupt MaxPacket 2048 Interval 255ms

2: Hub,  USB Revision 2.0
- u-boot EHCI Host Controller
- Class: Hub
- PacketSize: 64  Configurations: 1
- Vendor: 0x0000  Product 0x0000 Version 1.0
   Configuration: 1
   - Interfaces: 1 Self Powered 0mA
     Interface: 0
     - Alternate Setting 0, Endpoints: 1
     - Class Hub
     - Endpoint 1 In Interrupt MaxPacket 2048 Interval 255ms

=>

 

Any advise on what could be the reason for this?

 

Regards,

Chandra

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