Install this version:
emerge -a =dev-embedded/rpiboot-9999
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-embedded/rpiboot-9999
Or alternatively:
emerge --autounmask-write -a =dev-embedded/rpiboot-9999
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit git-r3
DESCRIPTION="Raspberry Pi USB booting code"
HOMEPAGE="https://github.com/raspberrypi/usbboot"
EGIT_REPO_URI="https://github.com/raspberrypi/usbboot.git"
KEYWORDS="~amd64 ~x86 ~arm ~arm64"
LICENSE="Apache-2.0"
SLOT="0"
IUSE=""
RDEPEND="virtual/libusb:1"
src_install() {
dosbin rpiboot
insinto /usr/share/rpiboot
doins -r msd
}
virtual/libusb:1