diff options
Diffstat (limited to 'ice40/bitstream.cc')
| -rw-r--r-- | ice40/bitstream.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ice40/bitstream.cc b/ice40/bitstream.cc index 6ccad2fe..942c9977 100644 --- a/ice40/bitstream.cc +++ b/ice40/bitstream.cc @@ -174,6 +174,13 @@ void write_asc(const Context *ctx, std::ostream &out) set_config(ti, config.at(y).at(x), "LC_" + std::to_string(z), lc.at(i), i); if (dff_enable) set_config(ti, config.at(y).at(x), "NegClk", neg_clk); + + bool carry_const = get_param_or_def(cell.second.get(), ctx->id("CIN_CONST")); + bool carry_set = get_param_or_def(cell.second.get(), ctx->id("CIN_SET")); + if (carry_const) { + assert(z == 0); + set_config(ti, config.at(y).at(x), "CarryInSet", carry_set); + } } else if (cell.second->type == ctx->id("SB_IO")) { const TileInfoPOD &ti = bi.tiles_nonrouting[TILE_IO]; unsigned pin_type = get_param_or_def(cell.second.get(), ctx->id("PIN_TYPE")); |