From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramneek Mehresh Date: Thu, 23 Apr 2015 11:59:09 +0000 Subject: [U-Boot] [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP support In-Reply-To: <201504231356.12216.marex@denx.de> References: <1429685383-6505-1-git-send-email-ramneek.mehresh@freescale.com> <201504221348.07166.marex@denx.de> <201504231356.12216.marex@denx.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > -----Original Message----- > From: Marek Vasut [mailto:marex at denx.de] > Sent: Thursday, April 23, 2015 5:26 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 Thursday, April 23, 2015 at 08:51:14 AM, Ramneek Mehresh wrote: > > > -----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 > > > > > --- > > > > > > > > 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 > > Oki, please document it a bit better. The thing you just wrote would be > exactly the nice piece of documentation/comment which should be in the > code. > Understood, will do > Thanks! > > Best regards, > Marek Vasut