> -----Original Message----- > From: david.hag...@gmail.com [mailto:david.hag...@gmail.com] > Sent: Thursday, September 23, 2010 10:44 PM > To: Chen, Tiejun > Cc: David Hagood; linuxppc-...@ozlabs.org > Subject: RE: MPC8641D PEX: programming OWBAR in Endpoint mode? > > >> -----Original Message----- > via the BARs. > > > > I read your email again and something hint me. I notice you clarify > > you already condigure InBound successfully. > > I am programming BOTH the inbound ATMUs to make PPC memory > available to the root complex, AND programming outbound ATMUs > to enable the PPC to bus master to the root complex's memory > space on PCIe. >
Right but this should be done for RC mode, not for EP mode we're discussing. Tiejun > I am NOT attempting to program the IWBARs - as you noted, > they get programmed by the root complex via PCI config operations. > > > > > And as my above comment I'm afraid you mix up InBound and > OutBound on > > EP mode? > > No, I am NOT confusing the two - that is why I am being VERY > EXPLICIT about accessing the OUTBOUND ATMUs. > > The only reason I mention the inbound ATMUs is to demonstrate > that the physical layer is working. > > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
