diff --git a/poky/meta/conf/machine/include/tune-cortexa55.inc b/poky/meta/conf/machine/include/tune-cortexa55.inc
new file mode 100644
index 0000000..8242cc9
--- /dev/null
+++ b/poky/meta/conf/machine/include/tune-cortexa55.inc
@@ -0,0 +1,17 @@
+DEFAULTTUNE ?= "cortexa55"
+
+TUNEVALID[cortexa55] = "Enable Cortex-A55 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'cortexa55', ' -mcpu=cortex-a55', '', d)}"
+
+require conf/machine/include/arm/arch-armv8a.inc
+
+# Little Endian base configs
+AVAILTUNES += "cortexa55 cortexa55-crypto"
+ARMPKGARCH_tune-cortexa55             = "cortexa55"
+ARMPKGARCH_tune-cortexa55-crypto      = "cortexa55"
+TUNE_FEATURES_tune-cortexa55          = "aarch64 cortexa55 crc"
+TUNE_FEATURES_tune-cortexa55-crypto   = "aarch64 cortexa55 crc crypto"
+PACKAGE_EXTRA_ARCHS_tune-cortexa55             = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa55"
+PACKAGE_EXTRA_ARCHS_tune-cortexa55-crypto      = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa55 cortexa55-crypto"
+BASE_LIB_tune-cortexa55               = "lib64"
+BASE_LIB_tune-cortexa55-crypto        = "lib64"
diff --git a/poky/meta/conf/machine/include/tune-cortexa73-cortexa53.inc b/poky/meta/conf/machine/include/tune-cortexa73-cortexa53.inc
new file mode 100644
index 0000000..8df4182
--- /dev/null
+++ b/poky/meta/conf/machine/include/tune-cortexa73-cortexa53.inc
@@ -0,0 +1,23 @@
+DEFAULTTUNE ?= "cortexa73-cortexa53"
+
+require conf/machine/include/arm/arch-armv8a.inc
+
+TUNEVALID[cortexa73-cortexa53] = "Enable big.LITTLE Cortex-A73.Cortex-A53 specific processor optimizations"
+
+TUNECONFLICTS[aarch64] = "armv4 armv5 armv6 armv7 armv7a"
+
+MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "cortexa73-cortexa53", "cortexa73-cortexa53:", "" ,d)}"
+
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "cortexa73-cortexa53", " -mtune=cortex-a73.cortex-a53", "", d)}"
+
+# cortexa73.cortexa53 implies crc support
+AVAILTUNES += "cortexa73-cortexa53 cortexa73-cortexa53-crypto"
+ARMPKGARCH_tune-cortexa73-cortexa53                  = "cortexa73-cortexa53"
+ARMPKGARCH_tune-cortexa73-cortexa53-crypto           = "cortexa73-cortexa53"
+TUNE_FEATURES_tune-cortexa73-cortexa53               = "${TUNE_FEATURES_tune-armv8a-crc} cortexa73-cortexa53"
+TUNE_FEATURES_tune-cortexa73-cortexa53-crypto        = "${TUNE_FEATURES_tune-armv8a-crc-crypto} cortexa73-cortexa53"
+PACKAGE_EXTRA_ARCHS_tune-cortexa73-cortexa53         = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc}        cortexa73-cortexa53"
+PACKAGE_EXTRA_ARCHS_tune-cortexa73-cortexa53-crypto  = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa73-cortexa53 cortexa73-cortexa53-crypto"
+BASE_LIB_tune-cortexa73-cortexa53                    = "lib64"
+BASE_LIB_tune-cortexa73-cortexa53-crypto             = "lib64"
+