arch/arm/mach-realview/Makefile.boot - third_party/linux - Git at Google

 ifeq ($(CONFIG_REALVIEW_HIGH_PHYS_OFFSET),y)
    zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70800000
 else
    zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 endif
	ifeq ($(CONFIG_REALVIEW_HIGH_PHYS_OFFSET),y)
	zreladdr-y += 0x70008000
	params_phys-y := 0x70000100
	initrd_phys-y := 0x70800000
	else
	zreladdr-y += 0x00008000
	params_phys-y := 0x00000100
	initrd_phys-y := 0x00800000
	endif