The Linux Zorro Utilities contain utilities for dealing with the Zorro bus in the Amiga under Linux (either Linux/m68k or Linux/PPC on APUS).
The latest version of the Linux Zorro Utilities (zorroutils) is always available using anonymous CVS from cvs.linux-m68k.org [FIXME: provide a better link]. Or you can download an archive containing the sources from my download area.