Copy some software code from the original Milkymist SoC.
-rw-r--r-- 20 .gitignore
-rw-r--r-- 1669 build.py
drwxr-xr-x - build
-rw-r--r-- 1550 constraints.py
drwxr-xr-x - milkymist
drwxr-xr-x - software
drwxr-xr-x - tb
-rw-r--r-- 1105 top.py
drwxr-xr-x - verilog