16 lines
536 B
Nix
16 lines
536 B
Nix
|
{ pkgs, yosys }:
|
||
|
|
{
|
||
|
|
buildBitstream = { name, src }:
|
||
|
|
pkgs.stdenv.mkDerivation {
|
||
|
|
inherit name src;
|
||
|
|
phases = [ "buildPhase" ];
|
||
|
|
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
|
||
|
|
${pkgs.trellis}/bin/ecppack --svf-rowsize 100000 --svf $out/top.svf $out/top.config $out/top.bit
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
}
|