diff --git a/arch/arm/boards/mini2440/mini2440.c b/arch/arm/boards/mini2440/mini2440.c
index a673a5d..9639176 100644
--- a/arch/arm/boards/mini2440/mini2440.c
+++ b/arch/arm/boards/mini2440/mini2440.c
@@ -47,6 +47,7 @@
 static struct device_d sdram_dev = {
 	.name		= "mem",
 	.map_base	= CS6_BASE,
+	.size		= 64 * 1024 * 1024,
 	.platform_data	= &ram_pdata,
 };