From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH] ARM: omap3: beagleboard-xm: dt: Add ethernet to the device tree Date: Thu, 01 Dec 2016 23:37:10 +0200 Message-ID: <34435805.uoQ87SrZdl@avalon> References: <1480528685-26259-1-git-send-email-laurent.pinchart@ideasonboard.com> <20161201211234.GA3703@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20161201211234.GA3703-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tony Lindgren Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, =?ISO-8859-1?Q?Beno=EEt?= Cousson List-Id: devicetree@vger.kernel.org Hi Tony, On Thursday 01 Dec 2016 13:12:34 Tony Lindgren wrote: > * Laurent Pinchart [161130 09:58]: > > The Beagleboard-xM has a LAN9514 USB hub and ethernet controller, > > connected to port 2 of the OMAP EHCI controller. The board however has > > no EEPROM to store the ethernet MAC address, which is programmed by the > > boot loader. > > > > To allow Linux to use the same MAC address as the boot loader (or for > > that matter any fixed MAC address), we need a node in the device tree > > for the ethernet controller that the boot loader can update at runtime > > with a local-mac-address property. Add it, along with an alias for the > > ethernet controller to let the boot loader locate it easily. > > Does not seem to work here.. Do I need to set something in u-boot? > I'm using U-Boot 2016.09-00004-g26bb688. Some versions (possibly forked by vendors) might set the MAC address automatically in DT, but in my case I have the following in my boot script: tftp 0x80800000 beagle/omap3-beagle-xm.dtb fdt addr ${fileaddr} ${filesize} fdt resize fdt set /ocp@68000000/usbhshost@48064000/ehci@48064800/usb2@2/usbether@1 local-mac-address "[7a d2 a0 00 d1 f0]" -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html