Git repository @ https://gitlab.libresilicon.com/generator-tools/danube-river
Details about the pads @ https://gitlab.libresilicon.com/generator-tools/danube-river/-/tree/master/tapeout
GDS @ https://foss-eda-tools.googlesource.com/third_party/shuttle/gf180mcu/mpw-18h1/slot-001/