[U-Boot] [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP support

[Ramneek Mehresh]

> -----Original Message-----
> From: Marek Vasut [mailto:marex at denx.de]
> Sent: Wednesday, April 22, 2015 5:18 PM
> To: Mehresh Ramneek-B31383
> Cc: u-boot at lists.denx.de
> Subject: Re: [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP support
> 
> On Wednesday, April 22, 2015 at 08:49:42 AM, Ramneek Mehresh wrote:
> > Enable USB IP support for both EHCI and XHCI for ls1021atwr platform
> >
> > Signed-off-by: Ramneek Mehresh <ramneek.mehresh at freescale.com>
> > ---
> >  include/configs/ls1021atwr.h | 29 +++++++++++++++++++++++++++++
> > include/linux/usb/xhci-fsl.h |  5 +++++
> >  2 files changed, 34 insertions(+)
> >
> > diff --git a/include/configs/ls1021atwr.h
> > b/include/configs/ls1021atwr.h index a13876b..0f59b3c 100644
> > --- a/include/configs/ls1021atwr.h
> > +++ b/include/configs/ls1021atwr.h
> > @@ -28,6 +28,35 @@
> >  #define CONFIG_SYS_INIT_RAM_SIZE	OCRAM_SIZE
> >
> >  /*
> > + * USB
> > + */
> > +/* EHCI Support - disbaled by default */
> 
> 'disabled'
> 
> > +/*#define CONFIG_HAS_FSL_DR_USB*/
> 
> Why is this disabled ?
> 
EHCI is disabled because this controller is not exposed via any connector
on the board. However, the silicon still has this controller, and anyone can
use this controller by taking signals out on their board.
XHCI can be used on the board via micro-A usb host connector
> [...]
> 
> Best regards,
> Marek Vasut