diff --git a/arch/Config.in.arm b/arch/Config.in.arm
index bc1bb26582..e3c64d12ab 100644
--- a/arch/Config.in.arm
+++ b/arch/Config.in.arm
@@ -451,6 +451,28 @@ config BR2_vulcan
 	select BR2_ARCH_HAS_MMU_OPTIONAL
 	select BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 endif # BR2_ARCH_IS_64
+
+if BR2_ARCH_IS_64
+comment "armv8.2a cores"
+config BR2_cortex_a55
+	bool "cortex-A55"
+	select BR2_ARM_CPU_HAS_FP_ARMV8
+	select BR2_ARM_CPU_ARMV8A
+	select BR2_ARCH_HAS_MMU_OPTIONAL
+	select BR2_ARCH_NEEDS_GCC_AT_LEAST_8
+config BR2_cortex_a75
+	bool "cortex-A75"
+	select BR2_ARM_CPU_HAS_FP_ARMV8
+	select BR2_ARM_CPU_ARMV8A
+	select BR2_ARCH_HAS_MMU_OPTIONAL
+	select BR2_ARCH_NEEDS_GCC_AT_LEAST_8
+config BR2_cortex_a75_a55
+	bool "cortex-A75/A55 big.LITTLE"
+	select BR2_ARM_CPU_HAS_FP_ARMV8
+	select BR2_ARM_CPU_ARMV8A
+	select BR2_ARCH_HAS_MMU_OPTIONAL
+	select BR2_ARCH_NEEDS_GCC_AT_LEAST_8
+endif # BR2_ARCH_IS_64
 endchoice
 
 config BR2_ARM_ENABLE_NEON
@@ -796,6 +818,10 @@ config BR2_GCC_TARGET_CPU
 	default "thunderx2t99"	if BR2_thunderx2t99
 	default "thunderx2t99p1"	if BR2_thunderx2t99p1
 	default "vulcan"	if BR2_vulcan
+	# armv8.2a
+	default "cortex-a55"	if BR2_cortex_a55
+	default "cortex-a75"	if BR2_cortex_a75
+	default "cortex-a75.cortex-a55"	if BR2_cortex_a75_a55
 
 config BR2_GCC_TARGET_ABI
 	default "aapcs-linux"	if BR2_arm || BR2_armeb