At the moment all my tries are based on the existing drivers in PPCBOOT. Using no microcode patch, and DPRAM allocation. DPRAM allocation pointed out a bug so I guess it's not that well tested yet :( . Trying fixed DPRAM offsets and microcode now...
Thanks, Stephan > -----Original Message----- > From: wd at denx.de [mailto:wd at denx.de] > Sent: Montag, 25. M?rz 2002 14:11 > To: Stephan Linke > Cc: Linuxppc-Embedded > Subject: Re: problems running I2C and/or SPI on 857 board > > > In message <FCEAKDJJAPHPLJFINDAJCEMMCDAA.Stephan.Linke at epygi.de> > you wrote: > > > > I'm trying to get I2C and/or SPI running on a 857 board. > Register settings > > and BDs look good. But when the start command is issued nearly nothing > > happens as if there would be no clock. > > I guess your implementation is basedon existing code? Which one? > [Hint: we have I2C running on a couple of systems...] > > > Is there anyone who has an idea? > > Start from some code that is known to work? > > Wolfgang Denk > > -- > Software Engineering: Embedded and Realtime Systems, Embedded Linux > Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de > The existence of god implies a violation of causality. > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
