3 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 1134aeab2327..9fe0152ae245 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -21,6 +21,9 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
 /* Definitions used by the flattened device tree */
 #define OF_DT_HEADER            0xd00dfeed      /* marker */
 #define OF_DT_BEGIN_NODE        0x1             /* Start of node, full name */
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
index d67af08abb43..a8a121f6332b 100644
--- a/include/asm-sparc/prom.h
+++ b/include/asm-sparc/prom.h
@@ -20,6 +20,9 @@
 #include <linux/proc_fs.h>
 #include <asm/atomic.h>
 
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
 typedef u32 phandle;
 typedef u32 ihandle;
 
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index 9905ed057d93..c98d1545ee8d 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -20,6 +20,9 @@
 #include <linux/proc_fs.h>
 #include <asm/atomic.h>
 
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
 typedef u32 phandle;
 typedef u32 ihandle;