diff --git a/include/configs/smartweb.h b/include/configs/smartweb.h
index d696d4b..d189c3f 100644
--- a/include/configs/smartweb.h
+++ b/include/configs/smartweb.h
@@ -28,6 +28,7 @@
  * In this case SoC is defined in boards.cfg.
  */
 #include <asm/hardware.h>
+#include <linux/sizes.h>
 
 /*
  * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
@@ -64,7 +65,7 @@
  */
 #define CONFIG_NR_DRAM_BANKS		1
 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
-#define CONFIG_SYS_SDRAM_SIZE		(64 << 20)
+#define CONFIG_SYS_SDRAM_SIZE		(64 * SZ_1M)
 
 /*
  * Perform a SDRAM Memtest from the start of SDRAM
@@ -75,7 +76,7 @@
 
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN \
-	ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
+	ROUND(3 * CONFIG_ENV_SIZE + (4 * SZ_1M), 0x1000)
 
 /* NAND flash settings */
 #define CONFIG_NAND_ATMEL
@@ -140,15 +141,42 @@
 
 #if !defined(CONFIG_SPL_BUILD)
 /* USB configuration */
+#define CONFIG_CMD_USB
 #define CONFIG_USB_ATMEL
 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
 #define CONFIG_USB_OHCI_NEW
-#define CONFIG_USB_STORAGE
-#define CONFIG_DOS_PARTITION
 #define CONFIG_SYS_USB_OHCI_CPU_INIT
 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_UHP_BASE
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9260"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
+
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_MCS7830
+
+/* USB DFU support */
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_AT91
+
+/* DFU class support */
+#define CONFIG_CMD_DFU
+#define CONFIG_USB_FUNCTION_DFU
+#define CONFIG_DFU_NAND
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE	SZ_1M
+#define DFU_MANIFEST_POLL_TIMEOUT	25000
+
+/* USB DFU IDs */
+#define CONFIG_G_DNL_VENDOR_NUM 0x0908
+#define CONFIG_G_DNL_PRODUCT_NUM 0x02d2
+#define CONFIG_G_DNL_MANUFACTURER "Siemens AG"
+
+#define CONFIG_SYS_CACHELINE_SIZE	0x2000
 #endif
 
 /* General Boot Parameter */
@@ -173,8 +201,8 @@
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_OFFSET		(0x100000)
 #define CONFIG_ENV_OFFSET_REDUND	(0x180000)
-#define CONFIG_ENV_RANGE		(0x80000)
-#define CONFIG_ENV_SIZE			(0x20000)
+#define CONFIG_ENV_RANGE		(SZ_512K)
+#define CONFIG_ENV_SIZE			(SZ_128K)
 
 /*
  * Predefined environment variables.
@@ -193,7 +221,6 @@
 #undef CONFIG_CMD_LOADS
 
 #define CONFIG_CMD_NAND
-#define CONFIG_CMD_USB
 #define CONFIG_CMD_FAT
 
 #ifdef CONFIG_MACB
@@ -230,10 +257,10 @@
 /* Defines for SPL */
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_TEXT_BASE		0x0
-#define CONFIG_SPL_MAX_SIZE		(4 * 1024)
+#define CONFIG_SPL_MAX_SIZE		(SZ_4K)
 
 #define CONFIG_SPL_BSS_START_ADDR	CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SPL_BSS_MAX_SIZE		(16 * 1024)
+#define CONFIG_SPL_BSS_MAX_SIZE		(SZ_16K)
 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 					CONFIG_SPL_BSS_MAX_SIZE)
 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
@@ -253,14 +280,14 @@
 #define CONFIG_SPL_NAND_RAW_ONLY
 #define CONFIG_SPL_NAND_SOFTECC
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
-#define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	SZ_512K
 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 
-#define CONFIG_SYS_NAND_SIZE		(256*1024*1024)
-#define CONFIG_SYS_NAND_PAGE_SIZE	2048
-#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_SIZE		(SZ_256M)
+#define CONFIG_SYS_NAND_PAGE_SIZE	SZ_2K
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(SZ_128K)
 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
 					 CONFIG_SYS_NAND_PAGE_SIZE)
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS