diff --git a/sys/powerpc/ofw/ofw_machdep.c b/sys/powerpc/ofw/ofw_machdep.c
--- a/sys/powerpc/ofw/ofw_machdep.c
+++ b/sys/powerpc/ofw/ofw_machdep.c
@@ -426,7 +426,7 @@
 static int
 excise_fdt_reserved(struct mem_region *avail, int asz)
 {
-	struct mem_region fdtmap[32];
+	struct mem_region fdtmap[64];
 	ssize_t fdtmapsize;
 	phandle_t chosen;
 	int j, fdtentries;