config BR2_PACKAGE_HOST_RASPBERRYPI_USBBOOT bool "host raspberrypi-usbboot" depends on BR2_arm help This package builds and install the "rpiboot" tool for the host machine. This tool allows to boot the Broadcom BCM processor used in the RaspberryPi to boot over USB, and have it expose a USB mass storage device in order to reflash the built-in storage of the RaspberryPi (useful for the eMMC built into the Compute module). https://github.com/raspberrypi/usbboot