On Dienstag, 23. September 2008, Juergen Beisert wrote: > Matt, > > On Montag, 22. September 2008, Matt Sealey wrote: > > Juergen Beisert wrote: > > > Hi, > > > $ lspci > > > 00:18.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 > > > Controller (rev 61) 00:18.1 USB Controller: VIA Technologies, Inc. > > > VT82xxxxx UHCI USB 1.1 Controller (rev 61) 00:18.2 USB Controller: VIA > > > Technologies, Inc. USB 2.0 (rev 63) > > > > > > USB driver (endianess???) or oftee or hardware problem? > > > > > > Anyone experience with VIA USB hardware on PowerPc? > > > > The USB driver should work fine, I have an Efika (MPC5200B) with that > > exact USB controller and revision and it's just fine and dandy. We also > > used to ship Via-based USB cards in the Pegasos Open Desktop Workstation > > (using Marvell Discovery II northbridge). > > > > The major difference here would be that PCI tree entries were created > > by a real OF implementation so may have reflected some hardware better; > > it is dynamically created on boot to a certain point, rather than a fixed > > device tree which may contain some "errors". There seems to be a lot less > > data in our tree... > > What Kernel do you run on your target? On my hardware a 2.6.23 still work > as expected, but a 2.6.26 fails all the time.
One should enable the internal USB clock. If done, it works... In 2.6.23 is was done in mpc52xx_common.c. It was removed in 2.6.24. Juergen -- Dipl.-Ing. Juergen Beisert | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Vertretung Sued/Muenchen, Germany Phone: +49-8766-939 228 | Fax: +49-5121-206917-9 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev