Define MAP_BASE for IP27

#define IO_BASE			0x9200000000000000

#define MSPEC_BASE		0x9400000000000000

#define UNCAC_BASE		0x9600000000000000

#define MAP_BASE		0xc000000000000000

#define TO_PHYS(x)		(             ((x) & TO_PHYS_MASK))

#define TO_CAC(x)		(CAC_BASE   | ((x) & TO_PHYS_MASK))