+ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
+CONFIG_CPU_V7=
+CONFIG_CPU_ARM720T=y
+endif
+
+# This selects which instruction set is used.
+arch-$(CONFIG_CPU_ARM720T) =-march=armv4
+arch-$(CONFIG_CPU_ARM920T) =-march=armv4
+arch-$(CONFIG_CPU_ARM926EJS) =-march=armv5te
+arch-$(CONFIG_CPU_ARM946ES) =-march=armv4
+arch-$(CONFIG_CPU_SA1100) =-march=armv4
+arch-$(CONFIG_CPU_PXA) =
+arch-$(CONFIG_CPU_ARM1136) =-march=armv5
+arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
+arch-$(CONFIG_CPU_V7) =$(call cc-option, -march=armv7-a, -march=armv5)
+arch-$(CONFIG_ARM64) =-march=armv8-a
+
+# Evaluate arch cc-option calls now
+arch-y := $(arch-y)
+
+# This selects how we optimise for the processor.
+tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
+tune-$(CONFIG_CPU_ARM920T) =
+tune-$(CONFIG_CPU_ARM926EJS) =
+tune-$(CONFIG_CPU_ARM946ES) =
+tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
+tune-$(CONFIG_CPU_PXA) =-mcpu=xscale
+tune-$(CONFIG_CPU_ARM1136) =
+tune-$(CONFIG_CPU_ARM1176) =
+tune-$(CONFIG_CPU_V7) =
+tune-$(CONFIG_ARM64) =
+
+# Evaluate tune cc-option calls now
+tune-y := $(tune-y)
+
+PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
+
+# Machine directory name. This list is sorted alphanumerically
+# by CONFIG_* macro name.
+machine-$(CONFIG_ARCH_AT91) += at91
+machine-$(CONFIG_ARCH_BCM283X) += bcm283x
+machine-$(CONFIG_ARCH_DAVINCI) += davinci
+machine-$(CONFIG_ARCH_HIGHBANK) += highbank
+machine-$(CONFIG_ARCH_KEYSTONE) += keystone
+# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
+machine-$(CONFIG_KIRKWOOD) += kirkwood
+# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
+machine-$(CONFIG_ARCH_NOMADIK) += nomadik
+# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
+machine-$(CONFIG_ORION5X) += orion5x
+machine-$(CONFIG_TEGRA) += tegra
+machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
+machine-$(CONFIG_ARCH_VERSATILE) += versatile
+
+machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
+
+PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
+
+libs-y += $(machdirs)
+