Free Linux GCC toolchains
Sysam delivers some free GNU toolchains for m68k/Coldfire architecture. Sysam doesn't provide any support on them. They are built using buildall tool from kernel.org.
m68k/coldfire gcc-4.9.0+binutils-2.26 - multilib m68k and cf  version 2016.04.16
m68k/coldfire gcc-5.2.0+binutils-2.26 - multilib m68k and cf  version 2016.04.16
If you would need some particular version of binutils/gcc to be added, try to ask to angelo AT sysam.it.