[U-Boot] U-Boot Minnowboard Max USB3.0 port not powering up

[Simon Glass]

Hi,

On 9 June 2016 at 04:57, vinoth eswaran <evinoth1206 at gmail.com> wrote:
> Hello Bin,
>
>  I am using the latest U-Boot version : u-boot-2016.07-rc1
>
> I am seeing that after the bootup the USB port 3.0 -- the bottom one
> in the board is not powering up.
>
> I compared the dmesg logs with UEFI and with u-boot. I understood that
> with u-boot EHCI driver is being used and with UEFI XHCI driver is
> used
>
> 00:1d.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx
> Series USB EHCI (rev 11)
>
> In the U-boot , minnowmax.dts in the fsp section I include the
> 'fsp,enable-xhci;' and now I am seeing that the XHCI driver is being
> used but still the USB port is not powered up. So I am assuming it to
> be other issue might be wrong pad up or it's not getting probed.
>
> Can you please look into the issue.

You can also search the recent thread 'U-Boot on Minnowboard Max'
where the solution for this is discussed - the patch needs work.

>
> Mit Freundlichen Grüßen
> VinothKumar
> +49 1798909072

Regards,
Simon