[U-Boot] [linux-sunxi] Mainline U-Boot, EHCI, usbkbd not working (workaround)

Marek Vasut marex at denx.de
Mon Jan 5 04:05:10 CET 2015


On Monday, January 05, 2015 at 03:49:32 AM, Simon Glass wrote:
> Hi Hans,

Hi all,

[...]

> > The problem is that u-boot does not allow building both ohci and
> > ehci drivers into the same u-boot binary, so we cannot enable both
> > usb-1 and usb-2 support at the same time.
> > 
> > So we're stuck with having only usb-2 support until someone reworks
> > u-boot's usb code, and keyboards and mice are typically usb-1 devices,
> > the workaround for this is to plug in a usb-2 hub so that the board
> > sees a usb-2 device, and then plug the mouse / keyboard into that
> > hub.
> 
> This could be solved by moving USB to driver model.
> 
> Marek do you know if anyone is looking at this?

To my knowledge, noone at this point. I cannot tell when I will be able
to dive into this due to the university stuff, sorry about that :(

Best regards,
Marek Vasut


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