[U-Boot] [PATCH] USB: add CONFIG_USB_INIT to autoinitialize USB before main_loop

[Allen Martin]

> > This allows systems to pause autoboot with USB keyboard.  Tested on
> > tegra2 seaboard.
> >
> > Signed-off-by: Allen Martin <amartin at nvidia.com>
> 
> Can't you just add "usb reset" to preboot env?

The point is to be able to use USB keyboard to stop autoboot on systems where USB keyboard is the primary (or only) input device.  This needs to happen before BOOTCOMMAND gets parsed.

-Allen
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