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symbiflow: 100MHz timing (HACK)

This commit is contained in:
Sebastien Bourdeauducq 2019-06-09 00:06:17 +08:00
parent d9b42a0807
commit 3598e08212
1 changed files with 2 additions and 2 deletions
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4
eda/symbiflow.nix
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@ -7,8 +7,8 @@
buildPhase =
''
mkdir $out
${yosys}/bin/yosys -p "read_ilang $src/top.il; synth_ecp5 -top top -json $out/top.json"
${pkgs.nextpnr}/bin/nextpnr-ecp5 --json $out/top.json --textcfg $out/top.config `cat $src/device` --lpf $src/top.lpf
${yosys}/bin/yosys -p "read_ilang $src/top.il; synth_ecp5 -top top -nomux -json $out/top.json"
${pkgs.nextpnr}/bin/nextpnr-ecp5 --json $out/top.json --textcfg $out/top.config `cat $src/device` --lpf $src/top.lpf --freq 100
${pkgs.trellis}/bin/ecppack --svf-rowsize 100000 --svf $out/top.svf $out/top.config $out/top.bit
'';
};