diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index ce18ee73c2bc83165aa0067085a98ecb3b75e7fc..f1d0def3c1639138a43d482a10d2df5cadaca067 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -13,6 +13,8 @@
 /* MicroBlaze CPU */
 #define	MICROBLAZE_V5		1
 
+#define CONFIG_SYS_BOOTM_LEN	(64 * 1024 * 1024)
+
 /* linear and spi flash memory */
 #ifdef XILINX_FLASH_START
 #define	FLASH