From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gary Thomas Date: Mon, 30 Apr 2012 18:24:39 -0600 Subject: [U-Boot] USB ethernet on Panda In-Reply-To: <4F9F2B57.5040606@mlbassoc.com> References: <4F9F2B57.5040606@mlbassoc.com> Message-ID: <4F9F2D47.2000507@mlbassoc.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 2012-04-30 18:16, Gary Thomas wrote: > I just built U-Boot 2012.04 for the OMAP4 PandaBoard, hoping that > the USB ethernet would work. Sadly, it does not - the board hangs > during the initial USB scan: > > U-Boot 2012.04 (Apr 30 2012 - 18:08:55) > > CPU : OMAP4430 ES2.2 > Board: OMAP4 Panda > I2C: ready > DRAM: 1 GiB > MMC: OMAP SD/MMC: 0 > Using default environment > > In: serial > Out: serial > Err: serial > Net: No ethernet found. > Hit any key to stop autoboot: 0 > Panda # usb start > (Re)start USB... > USB: Register 1313 NbrPorts 3 > USB EHCI 1.00 > scanning bus for devices... > > At this point, it's dead - ^C does not work, nor does the RESET button. > > Any ideas how I can get this working? > Interestingly, I unplugged the USB hub I had connected (in addition to the built-in SMSC95xx ethernet) and now it works. It seems that the USB scanning code is not very happy with either the hub or the mouse+keyboard I had attached. I'll try to look into this later; for now I'm happy that I can use the ethernet. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------