IPL source directory structure

The Neutrino source tree structure looks like this:

Figure 1. IPL directory structure.

The bsp_working_dir/src/hardware/ipl/boards directory is where the IPL source code is stored for a particular board (e.g. bsp_working_dir/src/hardware/ipl/boards/800fads contains the source code for the Motorola MPC8xxFADS PowerPC motherboard.)