[coreboot] USB cannot work

[Nico Huber]

Hi Hilbert,

Am 23.08.18 um 09:14 schrieb Hilbert Tu(杜睿哲_Pegatron):
> Yes, you are right. So can I say Grub2’s driver has issues in supporting
> Denverton xHCI controller? I just want a root cause to explain why USB
> cannot work in this case. Thanks.

I still believe that GRUB doesn't have an xHCI driver. Broadwell-DE has
an EHCI controller (alongside the xHCI one) and Rangeley only had EHCI.
So you probably always used GRUB with its EHCI driver before.

Nico