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-rw-r--r--ice40/main.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/ice40/main.cc b/ice40/main.cc
index 8143a902..fcf112e6 100644
--- a/ice40/main.cc
+++ b/ice40/main.cc
@@ -93,6 +93,8 @@ int main(int argc, char *argv[])
options.add_options()("hx1k", "set device type to iCE40HX1K");
options.add_options()("hx8k", "set device type to iCE40HX8K");
options.add_options()("up5k", "set device type to iCE40UP5K");
+ options.add_options()("freq", po::value<double>(),
+ "set target frequency for design in MHz");
options.add_options()("package", po::value<std::string>(),
"set device package");
po::positional_options_description pos;
@@ -286,7 +288,10 @@ int main(int argc, char *argv[])
if (!pack_design(&ctx) && !ctx.force)
log_error("Packing design failed.\n");
- assign_budget(&ctx, 50e6);
+ double freq = 50e6;
+ if (vm.count("freq"))
+ freq = vm["freq"].as<double>() * 1e6;
+ assign_budget(&ctx, freq);
print_utilisation(&ctx);
if (!vm.count("pack-only")) {