Yi Qingliang wrote: > I got it finally, but not root cause. > reproduce: > > 1. connect jtag with openjtag(not the official openjtag, but 100ask.net > produced based on openmoko's). > 2. use ON/OFF switch on the board > > then I got "Wrong databus" > but if I disconnect the power line, and reconnect it, everything OK. > and if not connect jtager, and use ON/OFF switch, everyghing OK. > > what's the fuck problem? Good question. The DM9000 uses the EED0 pin to decide if a 16 or 32 bit data bus is in use, when the reset signal is gone. Maybe your system does not "see" a correct reset. Regards, Juergen -- Pengutronix e.K. | Juergen Beisert | Linux Solutions for Science and Industry | http://www.pengutronix.de/ | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox