I am using the ppc460ex as an endpoint and I see that the mentioned function setups a 32Mb window at address 0 in sdram. what i want is some memory that the host can read/write to. But the 32Mb that are already mapped at the bottom of ram, so it would not be good do writes to those addresses. Am I missing something? My driver right now is not touching the PIM registers. So is the right way to do this to change the PIM registers after I get a buffer in the kernel -- or something else? How would I make sure that it was aligned on a 32Mb boundry per the 44x requirements? thanks ayman
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