Add native Gowin EDA (gw_sh) support for Tang Nano 20K - #66
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davekeeshan wants to merge 2 commits into
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…les. Wrap -ifdef/-verilog_param/open_project so 1.9.9 still builds, program with programmer_cli or openFPGALoader, and fix the factory TOOLS dict so Gowin is importable.
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Summary
Gowintool (gw_sh) with default partGW2AR-LV18QN88C8/I7(Sipeed Tang Nano 20K).-ifdef/-verilog_param/open_projectincatch(those options do not exist there) and run create+syn+pnr in onegw_shinvocation.programmer_cliwhen present, otherwiseopenFPGALoader(Tclopen_hw_manageris not a Gowin flow).test_gowin/ regress coverage.