diff options
Diffstat (limited to 'gowin/arch.cc')
| -rw-r--r-- | gowin/arch.cc | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/gowin/arch.cc b/gowin/arch.cc index 22874810..6213124f 100644 --- a/gowin/arch.cc +++ b/gowin/arch.cc @@ -789,7 +789,7 @@ void Arch::addMuxBels(const DatabasePOD *db, int row, int col) // 4 MUX2_LUT5, 2 MUX2_LUT6, 1 MUX2_LUT7, 1 MUX2_LUT8 for (int j = 0; j < 8; ++j) { - z = j + mux_0_z; + z = j + BelZ::mux_0_z; int grow = row + 1; int gcol = col + 1; @@ -990,6 +990,7 @@ Arch::Arch(ArchArgs args) : args(args) IdString portname; int z = 0; bool dff = true; + bool oddrc = false; switch (static_cast<ConstIds>(bel->type_id)) { case ID_GSR0: snprintf(buf, 32, "R%dC%d_GSR0", row + 1, col + 1); @@ -1119,6 +1120,56 @@ Arch::Arch(ArchArgs args) : args(args) addBelInput(belname, id_OEN, id(buf)); break; + // IO logic + case ID_ODDRCB: + z++; /* fall-through*/ + case ID_ODDRCA: + oddrc = true; + z++; /* fall-through*/ + case ID_ODDRB: + z++; /* fall-through*/ + case ID_ODDRA: { + snprintf(buf, 32, "R%dC%d_ODDR%s%c", row + 1, col + 1, oddrc ? "C" : "", 'A' + z - (oddrc ? 2 : 0)); + belname = id(buf); + addBel(belname, id_ODDR, Loc(col, row, BelZ::iologic_0_z + z), false); + + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_D0)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_D0, id(buf)); + + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_D1)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_D1, id(buf)); + + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_TX)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_TX, id(buf)); + + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_CLK)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_CLK, id(buf)); + + if (oddrc) { + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_CE)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_CE, id(buf)); + } + + // dummy wires + snprintf(buf, 32, "ODDR%s%c_Q0", oddrc ? "C" : "", 'A' + z - (oddrc ? 2 : 0)); + IdString id_q0 = id(buf); + IdString q0_name = wireToGlobal(row, col, db, id_q0); + if (wires.count(q0_name) == 0) + addWire(q0_name, id_q0, row, col); + addBelOutput(belname, id_Q0, q0_name); + + snprintf(buf, 32, "ODDR%s%c_Q1", oddrc ? "C" : "", 'A' + z - (oddrc ? 2 : 0)); + IdString id_q1 = id(buf); + IdString q1_name = wireToGlobal(row, col, db, id_q1); + if (wires.count(q1_name) == 0) + addWire(q1_name, id_q1, row, col); + addBelOutput(belname, id_Q1, q1_name); + } break; default: break; } |