CPU supports vector relocation (control
register V bit.)
-ffc00000 fffeffff DMA memory mapping region. Memory returned
+fffe0000 fffeffff XScale cache flush area. This is used
+ in proc-xscale.S to flush the whole data
+ cache. Free for other usage on non-XScale.
+
+fff00000 fffdffff Fixmap mapping region. Addresses provided
+ by fix_to_virt() will be located here.
+
+ffc00000 ffefffff DMA memory mapping region. Memory returned
by the dma_alloc_xxx functions will be
dynamically mapped here.