diff options
Diffstat (limited to 'gowin/cells.cc')
| -rw-r--r-- | gowin/cells.cc | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gowin/cells.cc b/gowin/cells.cc index 57f3ab9c..dce3f456 100644 --- a/gowin/cells.cc +++ b/gowin/cells.cc @@ -64,14 +64,14 @@ std::unique_ptr<CellInfo> create_generic_cell(Context *ctx, IdString type, std:: add_port(ctx, new_cell.get(), id_I1, PORT_IN); add_port(ctx, new_cell.get(), id_SEL, PORT_IN); add_port(ctx, new_cell.get(), id_OF, PORT_OUT); - } else if (type == id_IOB) { + } else if (type == id_IOB || type == id_IOBS) { new_cell->params[id_INPUT_USED] = 0; new_cell->params[id_OUTPUT_USED] = 0; new_cell->params[id_ENABLE_USED] = 0; add_port(ctx, new_cell.get(), id_PAD, PORT_INOUT); add_port(ctx, new_cell.get(), id_I, PORT_IN); - add_port(ctx, new_cell.get(), id_EN, PORT_IN); + add_port(ctx, new_cell.get(), id_OEN, PORT_IN); add_port(ctx, new_cell.get(), id_O, PORT_OUT); } else { log_error("unable to create generic cell of type %s\n", type.c_str(ctx)); @@ -140,9 +140,17 @@ void dff_to_lc(const Context *ctx, CellInfo *dff, CellInfo *lc, bool pass_thru_l void gwio_to_iob(Context *ctx, CellInfo *nxio, CellInfo *iob, pool<IdString> &todelete_cells) { if (nxio->type == id_IBUF) { + if (iob->type == id_IOBS) { + // VCC -> OEN + connect_port(ctx, ctx->nets[ctx->id("$PACKER_VCC_NET")].get(), iob, id_OEN); + } iob->params[id_INPUT_USED] = 1; replace_port(nxio, id_O, iob, id_O); } else if (nxio->type == id_OBUF) { + if (iob->type == id_IOBS) { + // VSS -> OEN + connect_port(ctx, ctx->nets[ctx->id("$PACKER_GND_NET")].get(), iob, id_OEN); + } iob->params[id_OUTPUT_USED] = 1; replace_port(nxio, id_I, iob, id_I); } else if (nxio->type == id_TBUF) { |