buttercutter/noc

A simple spidergon network-on-chip with wormhole switching feature

noc

A simple spidergon network-on-chip with wormhole switching feature

USAGE :

1. Synthesis : yosys spidergon.ys

2. Place and Route :

   FPGA : nextpnr-ice40 --lp8k --pcf pins.pcf --json spidergon.json --package cm81 --gui

   ASIC : git clone https://github.com/The-OpenROAD-Project/OpenROAD-flow

       cd OpenROAD-flow/ && source setup_env.sh
       
       ./build_openroad.sh -o --or-branch openroad
       
       cd ./flow && mv PATH_TO_NOC_REPO ./designs/src/
       
       make DESIGN_CONFIG=./designs/src/noc/spidergon.mk
       
       klayout -e ./results/nangate45/noc/6_1_merged.gds results/nangate45/noc/6_final.gds
   

TODO :

1. Formal Verification of NoC
2. Add support for GALS (Globally Asynchronous, Locally Synchronous)