diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
index c94fc3f1d9cf089535cbf20fcb2de44b98687b03..1e35dfa7c46ba7d038f6a272352cb069f4ea8c9b 100644
--- a/board/freescale/mpc8641hpcn/mpc8641hpcn.c
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -374,3 +374,12 @@ void board_reset(void)
 	while (1)
 		;
 }
+
+#if (CONFIG_NUM_CPUS > 1)
+extern void cpu_mp_lmb_reserve(struct lmb *lmb);
+
+void board_lmb_reserve(struct lmb *lmb)
+{
+	cpu_mp_lmb_reserve(lmb);
+}
+#endif
diff --git a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
index 52ad2d86c9d42bc5b415157181f302b114b25a55..fc1f07dc0027e40e06866bb4914a14c3f9b55f8e 100644
--- a/board/sbc8641d/sbc8641d.c
+++ b/board/sbc8641d/sbc8641d.c
@@ -413,3 +413,12 @@ void board_reset(void)
 	__asm__ __volatile__ ("rfi");
 #endif
 }
+
+#if (CONFIG_NUM_CPUS > 1)
+extern void cpu_mp_lmb_reserve(struct lmb *lmb);
+
+void board_lmb_reserve(struct lmb *lmb)
+{
+	cpu_mp_lmb_reserve(lmb);
+}
+#endif