diff --git a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
index 52ad2d8..fc1f07d 100644
--- a/board/sbc8641d/sbc8641d.c
+++ b/board/sbc8641d/sbc8641d.c
@@ -413,3 +413,12 @@
 	__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