diff --git a/p10_cfam.hpp b/p10_cfam.hpp
new file mode 100644
index 0000000..a8e47c4
--- /dev/null
+++ b/p10_cfam.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+namespace openpower
+{
+namespace cfam
+{
+namespace p10
+{
+
+static constexpr uint16_t P10_ROOT_CTRL8 = 0x2818;
+
+} // namespace p10
+} // namespace cfam
+} // namespace openpower