config AT91_DFBOOT bool "Build dataflashboot loader" depends TARGET_at91 default y config AT91_UBOOT bool "Build U-Boot bootloader" depends TARGET_at91 default y config UBOOT_TARGET string "U-Boot target board" depends TARGET_at91 depends AT91_UBOOT default "vlink" help For all supported boards there are ready-to-use default configurations available; just type "<board_name>". config UBOOT_IPADDR string "IP Address for U-Boot" depends TARGET_at91 depends AT91_UBOOT default "192.168.0.178" help IP address of device to be used in U-Boot config UBOOT_SERVERIP string "IP Address of TFTP server" depends TARGET_at91 depends AT91_UBOOT default "192.168.0.232" help IP address of TFTP server for U-Boot