diff --git a/meta/conf/machine/include/tune-ppc7400.inc b/meta/conf/machine/include/tune-ppc7400.inc
new file mode 100644
index 0000000..4ac0403
--- /dev/null
+++ b/meta/conf/machine/include/tune-ppc7400.inc
@@ -0,0 +1,14 @@
+DEFAULTTUNE ?= "ppc7400"
+
+require conf/machine/include/powerpc/arch-powerpc.inc
+
+TUNEVALID[ppc7400] = "Enable ppc7400 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "ppc7400", " -mcpu=7400", "", d)}"
+
+AVAILTUNES += "ppc7400"
+TUNE_FEATURES_tune-ppc7400 = "m32 fpu-hard ppc7400 altivec"
+TUNE_PKGARCH_tune-ppc7400 = "ppc7400"
+PACKAGE_EXTRA_ARCHS_tune-ppc7400 = "${PACKAGE_EXTRA_ARCHS_tune-powerpc} ppc7400"
+
+# glibc configure options to get 7400 specific library (for sqrt)
+#GLIBC_EXTRA_OECONF += "${@bb.utils.contains("TUNE_FEATURES", "ppc7400", "--with-cpu=power4", "", d)}"