From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hawkins Date: Thu, 26 Jul 2012 13:01:40 -0700 Subject: [U-Boot] bdi3000 configurtio file for mpc8308RDB In-Reply-To: <20120726192429.521E4203A89@gemini.denx.de> References: <20120726163704.77DC7203A89@gemini.denx.de> <501178EA.6050701@ovro.caltech.edu> <20120726181741.35FDB203A89@gemini.denx.de> <50118FE1.2000806@ovro.caltech.edu> <20120726192429.521E4203A89@gemini.denx.de> Message-ID: <5011A224.2010202@ovro.caltech.edu> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Wolfgang, >> In your opinion, is MPC8308 USB Device Mode completely broken? > > Define completely... :) > When acting as a mass storage device, we saw some ~14 MB/s throughput > to the device when the bug did not trigger; when it did, we got 1.8 > MB/s and less, and many device reset messages in the system logs. Ok, that sounds annoying enough that I won't bother to support the MPC8308 device mode down the backplane. >> How about USB Host mode? The board will communicate with a rear >> transition module (another board plugged in from the rear side >> of the chassis). If MPC8308 USB Host Mode is reliable, then I can >> wire the USB interface through the backplane for use on the >> RTM, eg., for talking to an FT245/232 device or a USB microcontroller. > > Host mode works fine. Great! I'll put a USB3300 PHY on the board, and run the USB over to the RTM. Thanks for sharing your experiences, its much appreciated. Cheers, Dave