diff --git a/src/include/cbmem.h b/src/include/cbmem.h
index b548cd9..7e1da17 100644
--- a/src/include/cbmem.h
+++ b/src/include/cbmem.h
@@ -155,4 +155,18 @@
 	return 1;
 }
 
+/* Returns 1 after running cbmem init hooks, 0 otherwise. */
+static inline int cbmem_online(void)
+{
+	extern int cbmem_initialized;
+
+	if (!cbmem_possibly_online())
+		return 0;
+
+	if (ENV_ROMSTAGE)
+		return cbmem_initialized;
+
+	return 1;
+}
+
 #endif /* _CBMEM_H_ */