diff options
Diffstat (limited to 'ecp5/cells.cc')
| -rw-r--r-- | ecp5/cells.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ecp5/cells.cc b/ecp5/cells.cc index 59504735..e3532f36 100644 --- a/ecp5/cells.cc +++ b/ecp5/cells.cc @@ -116,6 +116,14 @@ std::unique_ptr<CellInfo> create_ecp5_cell(Context *ctx, IdString type, std::str add_port(ctx, new_cell.get(), "I", PORT_IN); add_port(ctx, new_cell.get(), "T", PORT_IN); add_port(ctx, new_cell.get(), "O", PORT_OUT); + } else if (type == ctx->id("LUT4")) { + new_cell->params[ctx->id("INIT")] = "0"; + + add_port(ctx, new_cell.get(), "A", PORT_IN); + add_port(ctx, new_cell.get(), "B", PORT_IN); + add_port(ctx, new_cell.get(), "C", PORT_IN); + add_port(ctx, new_cell.get(), "D", PORT_IN); + add_port(ctx, new_cell.get(), "Z", PORT_OUT); } else { log_error("unable to create ECP5 cell of type %s", type.c_str(ctx)); } @@ -169,7 +177,7 @@ void ff_to_slice(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool drive void lut_to_slice(Context *ctx, CellInfo *lut, CellInfo *lc, int index) { - lc->params[ctx->id("LUT" + std::to_string(index) + "_INITVAL")] = str_or_default(lc->params, ctx->id("INIT"), "0"); + lc->params[ctx->id("LUT" + std::to_string(index) + "_INITVAL")] = str_or_default(lut->params, ctx->id("INIT"), "0"); replace_port(lut, ctx->id("A"), lc, ctx->id("A" + std::to_string(index))); replace_port(lut, ctx->id("B"), lc, ctx->id("B" + std::to_string(index))); replace_port(lut, ctx->id("C"), lc, ctx->id("C" + std::to_string(index))); |