[U-Boot] [PATCH v2 1/1] USB: EHCI: Initialize multiple USB controllers at once

Marek Vasut marex at denx.de
Tue Aug 14 19:30:45 CEST 2012


Dear Stephen Warren,

> On 08/13/2012 10:22 PM, Jim Lin wrote:
> > Marek Vasut wrote at Sunday, August 12, 2012 7:47 AM:
> >> Dear Jim Lin,
> >> 
> >>> Add support for command line "usb reset" or "usb start" to initialize
> >>> , "usb stop" to stop multiple USB controllers at once.
> >>> Other command like "usb tree" also supports multiple controllers.
> 
> ...
> 
> >>> +#ifdef CONFIG_USB_KEYBOARD
> >>> +       drv_usb_kbd_init();
> >> 
> >> Will the keyboard driver survive this?
> > 
> > Yes I have tried it after doing the following.
> > 1. Define CONFIG_USB_KEYBOARD, CONFIG_SYS_USB_EVENT_POLL,
> > CONFIG_USB_MULTI, and CONFIG_USB_MAX_CONTROLLER_COUNT 3
> > 
> >  in config header file like seaboard.h to compile
> > 
> > 2. Install USB keyboard
> > 3. Run "usb reset" in u-boot serial console
> > 4. Run "coninfo" to see usbkbd appeared
> > 5. Run "setenv stdin usbkbd"
> > 6. Typing u-boot console command on USB keyboard
> 
> I've also tested this on Springbank, which has a built-in USB keyboard
> and an external USB port via a separate host controller, which I
> connected to an Ethernet device, and it appears to all work very well
> for me.
> 
> So,
> 
> Tested-by: Stephen Warren <swarren at wwwdotorg.org>

Good, thanks! :)

Best regards,
Marek Vasut


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