diff options
Diffstat (limited to 'gowin/arch.cc')
| -rw-r--r-- | gowin/arch.cc | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/gowin/arch.cc b/gowin/arch.cc index 6213124f..2c1e50b7 100644 --- a/gowin/arch.cc +++ b/gowin/arch.cc @@ -440,7 +440,9 @@ IdString Arch::wireToGlobal(int &row, int &col, const DatabasePOD *db, IdString { const std::string &wirename = wire.str(this); char buf[32]; - if (wirename == "VCC" || wirename == "GND") { + if (wirename == "VCC" || wirename == "VSS") { + row = 0; + col = 0; return wire; } if (!isdigit(wirename[1]) || !isdigit(wirename[2]) || !isdigit(wirename[3])) { @@ -949,6 +951,13 @@ Arch::Arch(ArchArgs args) : args(args) package_name.c_str(this), speed_id.c_str(this)); // setup db + // add global VCC and GND bels + addBel(id_GND, id_GND, Loc(0, 0, BelZ::gnd_0_z), true); + addWire(id_VSS, id_VSS, 0, 0); + addBelOutput(id_GND, id_G, id_VSS); + addBel(id_VCC, id_VCC, Loc(0, 0, BelZ::vcc_0_z), true); + addWire(id_VCC, id_VCC, 0, 0); + addBelOutput(id_VCC, id_V, id_VCC); char buf[32]; // The reverse order of the enumeration simplifies the creation // of MUX2_LUT8s: they need the existence of the wire on the right. @@ -1000,6 +1009,44 @@ Arch::Arch(ArchArgs args) : args(args) snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); addBelInput(belname, id_GSRI, id(buf)); break; + case ID_OSC: + snprintf(buf, 32, "R%dC%d_OSC", row + 1, col + 1); + belname = id(buf); + addBel(belname, id_OSC, Loc(col, row, 0), false); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCOUT)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelOutput(belname, id_OSCOUT, id(buf)); + break; + case ID_OSCH: + snprintf(buf, 32, "R%dC%d_OSCH", row + 1, col + 1); + belname = id(buf); + addBel(belname, id_OSCH, Loc(col, row, 0), false); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCOUT)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelOutput(belname, id_OSCOUT, id(buf)); + break; + case ID_OSCF: + snprintf(buf, 32, "R%dC%d_OSCF", row + 1, col + 1); + belname = id(buf); + addBel(belname, id_OSCF, Loc(col, row, 0), false); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCOUT)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelOutput(belname, id_OSCOUT, id(buf)); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCEN)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_OSCEN, id(buf)); + break; + case ID_OSCZ: + snprintf(buf, 32, "R%dC%d_OSCZ", row + 1, col + 1); + belname = id(buf); + addBel(belname, id_OSCZ, Loc(col, row, 0), false); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCOUT)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelOutput(belname, id_OSCOUT, id(buf)); + portname = IdString(pairLookup(bel->ports.get(), bel->num_ports, ID_OSCEN)->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_OSCEN, id(buf)); + break; // fall through the ++ case ID_LUT7: z++; @@ -1149,6 +1196,21 @@ Arch::Arch(ArchArgs args) : args(args) snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); addBelInput(belname, id_CLK, id(buf)); + const PairPOD *xxx_port = pairLookup(bel->ports.get(), bel->num_ports, ID_XXX_VSS); + if (xxx_port != nullptr) { + ddr_has_extra_inputs = true; + portname = IdString(xxx_port->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_XXX_VSS, id(buf)); + } + xxx_port = pairLookup(bel->ports.get(), bel->num_ports, ID_XXX_VCC); + if (xxx_port != nullptr) { + ddr_has_extra_inputs = true; + portname = IdString(xxx_port->src_id); + snprintf(buf, 32, "R%dC%d_%s", row + 1, col + 1, portname.c_str(this)); + addBelInput(belname, id_XXX_VCC, 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)); |