buildroot/boot/barebox/Config.in

menuconfig BR2_TARGET_BAREBOX
	bool "Barebox"
	help
	  The Barebox bootloader, formerly known as U-Boot v2.

	  http://www.barebox.org

if BR2_TARGET_BAREBOX
config BR2_TARGET_BAREBOX_BOARD_DEFCONFIG
	string "board defconfig"
	help
	  Name of the board for which Barebox should be built, without
	  the _defconfig suffix.
endif