MMU problems on YellowKnife board (PPC750) with SmartFirmware

2000-06-21 Thread Stefano Totaro
Hi guys, I am trying to port linux (kernel 2.4.0 and I tried also the 2.2.14 for ppc7xx from MontaVista) on a Motorola YellowKnife development board (CHRP like) based on the PPC750 running CodeGen SmartFirmware (it should be openfirmware compliant but the one I am using is an evaluation and so I

MMU problems on YellowKnife board (PPC750) with SmartFirmware

2000-06-21 Thread Jerry Van Baren
This sounds exactly like an issue we went through with the 8260 on an EST eval board (Jon, correct me out if you remember better than me). Our problem, and probably yours too, is that the JTAG debugger doesn't understand the MMU operation. As soon as you turn on the MMU, the PPC goes fetching