[U-Boot] EHCI timed out on TD - token=0x80008d80

[Marek Vasut]

On 04/22/2016 09:19 AM, Manjunath wrote:
> Hello Marek,
> 
> I checked with mainline uboot as well. The issue is now clearer.  Here are some info:
> 
> 1. The board uses SMARC module 
> 2. Whenever reboot command is given the usb is detected correctly.
> 3. When i give a hard reset, the following log is seen.
> 
> U-Boot > usb start
> (Re)start USB...
> USB0:   USB EHCI 1.00
> scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80
> 1 USB Device(s) found
>        scanning usb for storage devices... 0 Storage Device(s) found
> 
> 4. Again i boot and do a soft reboot, the same USB is detected.
> 
> This is definitely something related to power.
> 
> 
> This is something mysterious for me. Anybody has any clue please let me know.

Try setenv usb_pgood_delay 10000 , increases delay after enabling port
power.

Best regards,
Marek Vasut