diff options
Diffstat (limited to 'ecp5/bitstream.cc')
| -rw-r--r-- | ecp5/bitstream.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc index e2d9888a..789957c6 100644 --- a/ecp5/bitstream.cc +++ b/ecp5/bitstream.cc @@ -1191,6 +1191,36 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex cc.tiles[tile].add_enum(clkdiv + ".DIV", str_or_default(ci->params, ctx->id("DIV"), "2.0")); cc.tiles[tile].add_enum(clkdiv + ".GSR", str_or_default(ci->params, ctx->id("GSR"), "DISABLED")); } else if (ci->type == id_TRELLIS_ECLKBUF) { + } else if (ci->type == id_DQSBUFM) { + Loc loc = ctx->getBelLocation(ci->bel); + bool l = loc.y < 10; + std::string pic = l ? "PICL" : "PICR"; + TileGroup tg; + tg.tiles.push_back(ctx->getTileByTypeAndLocation(loc.y - 2, loc.x, pic + "1_DQS0")); + tg.tiles.push_back(ctx->getTileByTypeAndLocation(loc.y - 1, loc.x, pic + "2_DQS1")); + tg.tiles.push_back(ctx->getTileByTypeAndLocation(loc.y, loc.x, pic + "0_DQS2")); + tg.tiles.push_back(ctx->getTileByTypeAndLocation(loc.y + 1, loc.x, pic + "1_DQS3")); + tg.config.add_enum("DQS.MODE", "DQSBUFM"); + tg.config.add_enum("DQS.DQS_LI_DEL_ADJ", str_or_default(ci->params, ctx->id("DQS_LI_DEL_ADJ"), "PLUS")); + tg.config.add_enum("DQS.DQS_LO_DEL_ADJ", str_or_default(ci->params, ctx->id("DQS_LO_DEL_ADJ"), "PLUS")); + int li_del_value = int_or_default(ci->params, ctx->id("DQS_LI_DEL_VAL"), 0); + if (str_or_default(ci->params, ctx->id("DQS_LI_DEL_ADJ"), "PLUS") == "MINUS") + li_del_value = (256 - li_del_value) & 0xFF; + int lo_del_value = int_or_default(ci->params, ctx->id("DQS_LO_DEL_VAL"), 0); + if (str_or_default(ci->params, ctx->id("DQS_LO_DEL_ADJ"), "PLUS") == "MINUS") + lo_del_value = (256 - lo_del_value) & 0xFF; + tg.config.add_word("DQS.DQS_LI_DEL_VAL", int_to_bitvector(li_del_value, 8)); + tg.config.add_word("DQS.DQS_LO_DEL_VAL", int_to_bitvector(lo_del_value, 8)); + tg.config.add_enum("DQS.WRLOADN_USED", get_net_or_empty(ci, id_WRLOADN) != nullptr ? "YES" : "NO"); + tg.config.add_enum("DQS.RDLOADN_USED", get_net_or_empty(ci, id_RDLOADN) != nullptr ? "YES" : "NO"); + tg.config.add_enum("DQS.PAUSE_USED", get_net_or_empty(ci, id_PAUSE) != nullptr ? "YES" : "NO"); + tg.config.add_enum("DQS.READ_USED", + (get_net_or_empty(ci, id_READ0) != nullptr || get_net_or_empty(ci, id_READ1) != nullptr) + ? "YES" + : "NO"); + tg.config.add_enum("DQS.DDRDEL", get_net_or_empty(ci, id_DDRDEL) != nullptr ? "DDRDEL" : "0"); + tg.config.add_enum("DQS.GSR", str_or_default(ci->params, ctx->id("GSR"), "DISABLED")); + cc.tilegroups.push_back(tg); } else { NPNR_ASSERT_FALSE("unsupported cell type"); } |