CUDA 5.5 for Power Linux installation

Hello there,
I m trying to download a copy of the CUDA Toolkit 5.5 for Ubuntu 14.10 ppc64le. My understanding is that the C/C++ CUDA programming support for POWER8 was first introduced with toolkit 5.5.

However, from the
Only the CUDA 8 is currently available.

Legacy release
does not list the ppc64le version.

Does someone knows where I can find it?

Thank you.