Index: boot/arch/sparc64/src/main.c
===================================================================
--- boot/arch/sparc64/src/main.c	(revision ba4a63b85a4380c6b8324933e535690fa7ca1d70)
+++ boot/arch/sparc64/src/main.c	(revision 9644c6930046e62171f38e47bfc58e3dddc286dc)
@@ -101,5 +101,6 @@
 		 * an unknown value of the "compatible" property is encountered.
 		 */
-		printf("Warning: Unknown architecture, assuming sun4u.\n");
+		if (str_cmp(compatible, "sun4u") != 0)
+			printf("Warning: Unknown architecture, assuming sun4u.\n");
 		arch = ARCH_SUN4U;
 	} else