diff --git a/drivers/spi/atmel_dataflash_spi.c b/drivers/spi/atmel_dataflash_spi.c
index 3a648e6..4a5c4aa 100644
--- a/drivers/spi/atmel_dataflash_spi.c
+++ b/drivers/spi/atmel_dataflash_spi.c
@@ -20,6 +20,10 @@
  */
 
 #include <common.h>
+#ifndef CONFIG_AT91_LEGACY
+#define CONFIG_AT91_LEGACY
+#warning Please update to use C structur SoC access !
+#endif
 #include <asm/arch/hardware.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>