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Internal Loopback issue in USB with MPC8555E

Question asked by Srijith R on Jan 3, 2013
Latest reply on Jan 29, 2013 by lunminliang

We are using an in-house Power PC board with MPC8555E processor.We are currently developing drivers for USB on bare

board(Non-RTOS).

 

We started with testing Internal Loop-back for USB.We have written code taking

reference from MPC8555E User Manual, where a sample procedure has been given for

Configuring USB Host Controller for Internal Loop-back.Also, we referred U-boot and

Linux code for this purpose.

 

We are not able to achieve loop-back.You are requested to guide in this matter at

the earliest.


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