diff --git a/conf/machine/include/tune-ppc405e.inc b/conf/machine/include/tune-ppc405e.inc
new file mode 100644
index 0000000..63e5e9c
--- /dev/null
+++ b/conf/machine/include/tune-ppc405e.inc
@@ -0,0 +1,14 @@
+DEFAULTTUNE ?= "ppc405e"
+
+require conf/machine/include/powerpc/arch-powerpc.inc
+
+TUNEVALID[ppc405e] = "Enable ppc405e specific processor optimizations"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "ppc405e", "-mcpu=405fp", "", d)}"
+
+AVAILTUNES += "ppc405e"
+TUNE_FEATURES_tune-ppc405e = "m32 ppc405e fpu-hard"
+TUNE_PKGARCH_tune-ppc440e = "ppc405e"
+PACKAGE_EXTRA_ARCHS_tune-ppc405e = "${PACKAGE_EXTRA_ARCHS_tune-powerpc} ppc405e"
+
+# glibc configure options to get ppc405e specific library (for sqrt)
+GLIBC_EXTRA_OECONF += "${@bb.utils.contains("TUNE_FEATURES", "ppc405e", "-with-cpu=405fp", "", d)}"