diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c68e598..ce977bf 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -18,7 +18,11 @@
 				 $(call cc-option, -march=armv7))
 arch-$(CONFIG_CPU_V7M)		=-march=armv7-m
 arch-$(CONFIG_CPU_V7R)		=-march=armv7-r
+ifeq ($(CONFIG_ARM64_CRC32),y)
+arch-$(CONFIG_ARM64)		=-march=armv8-a+crc
+else
 arch-$(CONFIG_ARM64)		=-march=armv8-a
+endif
 
 # On Tegra systems we must build SPL for the armv4 core on the device
 # but otherwise we can use the value in CONFIG_SYS_ARM_ARCH