On Wed, 2008-10-22 at 08:08 -0500, Kumar Gala wrote: > > We are developing a board based on Freescale 8641D which can get > 4GB > > of ram. So I need 4GB+IOs (~1GB) of physical addressing space. > > My plan is to put a part of this ram above of 4GB to keep accesses > > to the IOs below the 4GB limit. It means non-contiguous ram > > addressing and XAEN features to be working.
Why would you put the IOs below the 4G point ? It's actually easier to have the IOs up above, like a lot of 4xx do. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
