diff --git a/src/local.c b/src/local.c
index 0b66939..5af07ca 100644
--- a/src/local.c
+++ b/src/local.c
@@ -246,6 +246,15 @@ static struct nanddump_args nanddump_rx51[] = {
 	[IMAGE_ROOTFS]    = { 1, 5, 0x00000000, 0x0fb40000 },
 };
 
+/* FIXME: Is this table correct? */
+static struct nanddump_args nanddump_rx4x[] = {
+	[IMAGE_XLOADER]   = { 1, 0, 0x00000200, 0x00003E00 },
+	[IMAGE_SECONDARY] = { 1, 0, 0x00004000, 0x0001C000 },
+	[IMAGE_KERNEL]    = { 1, 2, 0x00000800, 0x0021F800 },
+	[IMAGE_INITFS]    = { 1, 3, 0x00000000, 0x00400000 },
+	[IMAGE_ROOTFS]    = { 1, 4, 0x00000000, 0x0f960000 },
+};
+
 /* FIXME: Is this table correct? */
 static struct nanddump_args nanddump[] = {
 	[IMAGE_XLOADER]   = { 1, 0, 0x00000200, 0x00003E00 },