DJ Delorie is a software engineer at Red Hat Inc (dj@redhat.c), and a hardware engineer as a hobby (dj@delorie.c), specializing in deeply embedded toolchains (gcc/binutils/sim) and initial hardware bootstrapping.
git clone git://fedorapeople.org/~djdelorie/bootstrap.git
The bootstrap package takes a set of SRPMs and cross-compiles them into a minimal bootable rootfs, then builds additional SRPMs in this rootfs, in order to bootstrap Fedora on a new architecture. Currently, it supports ARMv7 hard-float, and is incomplete (it's a work-in-progress)