It was realy cache problem! I had to disable both caches I,D from the head.S to find that! Well the receaver works ok with Dcache off.... As I looked from the mpc860sar code, there is a way to tell linux not to cache specific pages. But the functions are not compatible with 8260. Does anyone know how to do that for 8260?
Thanks a lot for your time!
D. Meidanis
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