CONFIG_MTD_RAW_NAND=y
# CONFIG_SYS_NAND_USE_FLASH_BBT is not set
CONFIG_NAND_ATMEL=y
+CONFIG_SYS_NAND_BLOCK_SIZE=0x20000
+CONFIG_SYS_NAND_PAGE_COUNT=0x40
+CONFIG_SYS_NAND_PAGE_SIZE=0x800
+CONFIG_SYS_NAND_OOBSIZE=0x40
CONFIG_PHYLIB=y
CONFIG_ATMEL_USART=y
CONFIG_USB=y