Support USB port SAMA5D3

[Sascha Hauer]

On Thu, Jun 30, 2016 at 10:37:13AM +0200, Alex Vazquez wrote:
>    Hi and Thanks Sascha.
>    I've taken a look at the code and seems it's  right configuration.
>    I tried to change the driver and I am using OHCI.
>    Now I detect the usb hub but if I insert a pen drive give me the next
>    error:
>    barebox at Atmel sama5d3_xplained:/                                          
>         
>    # usb                                                                    
>          
>    USB: scanning bus for devices...                                          
>         
>                                        
>    Bus 000 Device 001: ID 0000:0000 OHCI Root Hub                            
>                                                         
>    ERROR: OHCI Unrecoverable Error, controller usb-ohci disabled            
>                                                                             
>      
>         Couldn't reset port 2                                                
>         
>    1 USB Device(s) found 
>    Depending on which port I insert the pen drive detects the error port 2 or
>    port 3.
>    I have also checked that the registers and peripheral clocks are set well.
>    any more suggestions that may be happening?
>    I think I'm close to finding the problem...

I have just found a sama5d3_xplained board here. The good thing is that
I can reproduce this issue without problems: It's the same here.
Unfortunately I have no idea what's going on.

Sascha

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