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-rw-r--r--ecp5/arch_pybindings.cc125
-rw-r--r--ecp5/bitstream.cc35
2 files changed, 146 insertions, 14 deletions
diff --git a/ecp5/arch_pybindings.cc b/ecp5/arch_pybindings.cc
index 8310c3a1..c261c3ec 100644
--- a/ecp5/arch_pybindings.cc
+++ b/ecp5/arch_pybindings.cc
@@ -2,7 +2,7 @@
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
- * Copyright (C) 2018 David Shah <dave@ds0.me>
+ * Copyright (C) 2018 David Shah <david@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -20,13 +20,132 @@
#ifndef NO_PYTHON
+#include "arch_pybindings.h"
#include "nextpnr.h"
#include "pybindings.h"
NEXTPNR_NAMESPACE_BEGIN
-void arch_wrap_python() {}
+void arch_wrap_python()
+{
+ using namespace PythonConversion;
+ class_<ArchArgs>("ArchArgs").def_readwrite("type", &ArchArgs::type);
+
+ class_<BelId>("BelId").def_readwrite("index", &BelId::index);
+
+ class_<WireId>("WireId").def_readwrite("index", &WireId::index);
+
+ class_<PipId>("PipId").def_readwrite("index", &PipId::index);
+
+ class_<BelPin>("BelPin").def_readwrite("bel", &BelPin::bel).def_readwrite("pin", &BelPin::pin);
+
+ enum_<PortPin>("PortPin")
+#define X(t) .value("PIN_" #t, PIN_##t)
+
+#include "portpins.inc"
+ ;
+#undef X
+
+ auto arch_cls = class_<Arch, Arch *, bases<BaseCtx>, boost::noncopyable>("Arch", init<ArchArgs>());
+ auto ctx_cls = class_<Context, Context *, bases<Arch>, boost::noncopyable>("Context", no_init)
+ .def("checksum", &Context::checksum)
+ .def("pack", &Context::pack)
+ .def("place", &Context::place)
+ .def("route", &Context::route);
+
+ fn_wrapper_1a<Context, decltype(&Context::getBelType), &Context::getBelType, conv_to_str<BelType>,
+ conv_from_str<BelId>>::def_wrap(ctx_cls, "getBelType");
+ fn_wrapper_1a<Context, decltype(&Context::checkBelAvail), &Context::checkBelAvail, pass_through<bool>,
+ conv_from_str<BelId>>::def_wrap(ctx_cls, "checkBelAvail");
+ fn_wrapper_1a<Context, decltype(&Context::getBelChecksum), &Context::getBelChecksum, pass_through<uint32_t>,
+ conv_from_str<BelId>>::def_wrap(ctx_cls, "getBelChecksum");
+ fn_wrapper_3a_v<Context, decltype(&Context::bindBel), &Context::bindBel, conv_from_str<BelId>,
+ conv_from_str<IdString>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindBel");
+ fn_wrapper_1a_v<Context, decltype(&Context::unbindBel), &Context::unbindBel, conv_from_str<BelId>>::def_wrap(
+ ctx_cls, "unbindBel");
+ fn_wrapper_1a<Context, decltype(&Context::getBoundBelCell), &Context::getBoundBelCell, conv_to_str<IdString>,
+ conv_from_str<BelId>>::def_wrap(ctx_cls, "getBoundBelCell");
+ fn_wrapper_1a<Context, decltype(&Context::getConflictingBelCell), &Context::getConflictingBelCell,
+ conv_to_str<IdString>, conv_from_str<BelId>>::def_wrap(ctx_cls, "getConflictingBelCell");
+ fn_wrapper_0a<Context, decltype(&Context::getBels), &Context::getBels, wrap_context<BelRange>>::def_wrap(ctx_cls,
+ "getBels");
+
+ fn_wrapper_2a<Context, decltype(&Context::getBelPinWire), &Context::getBelPinWire, conv_to_str<WireId>,
+ conv_from_str<BelId>, conv_from_str<PortPin>>::def_wrap(ctx_cls, "getBelPinWire");
+ fn_wrapper_1a<Context, decltype(&Context::getWireBelPins), &Context::getWireBelPins, wrap_context<BelPinRange>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getWireBelPins");
+
+ fn_wrapper_1a<Context, decltype(&Context::getWireChecksum), &Context::getWireChecksum, pass_through<uint32_t>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getWireChecksum");
+ fn_wrapper_3a_v<Context, decltype(&Context::bindWire), &Context::bindWire, conv_from_str<WireId>,
+ conv_from_str<IdString>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindWire");
+ fn_wrapper_1a_v<Context, decltype(&Context::unbindWire), &Context::unbindWire, conv_from_str<WireId>>::def_wrap(
+ ctx_cls, "unbindWire");
+ fn_wrapper_1a<Context, decltype(&Context::checkWireAvail), &Context::checkWireAvail, pass_through<bool>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "checkWireAvail");
+ fn_wrapper_1a<Context, decltype(&Context::getBoundWireNet), &Context::getBoundWireNet, conv_to_str<IdString>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getBoundWireNet");
+ fn_wrapper_1a<Context, decltype(&Context::getConflictingWireNet), &Context::getConflictingWireNet,
+ conv_to_str<IdString>, conv_from_str<WireId>>::def_wrap(ctx_cls, "getConflictingWireNet");
+
+ fn_wrapper_0a<Context, decltype(&Context::getWires), &Context::getWires, wrap_context<WireRange>>::def_wrap(
+ ctx_cls, "getWires");
+
+ fn_wrapper_0a<Context, decltype(&Context::getPips), &Context::getPips, wrap_context<AllPipRange>>::def_wrap(
+ ctx_cls, "getPips");
+ fn_wrapper_1a<Context, decltype(&Context::getPipChecksum), &Context::getPipChecksum, pass_through<uint32_t>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipChecksum");
+ fn_wrapper_3a_v<Context, decltype(&Context::bindPip), &Context::bindPip, conv_from_str<PipId>,
+ conv_from_str<IdString>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindPip");
+ fn_wrapper_1a_v<Context, decltype(&Context::unbindPip), &Context::unbindPip, conv_from_str<PipId>>::def_wrap(
+ ctx_cls, "unbindPip");
+ fn_wrapper_1a<Context, decltype(&Context::checkPipAvail), &Context::checkPipAvail, pass_through<bool>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "checkPipAvail");
+ fn_wrapper_1a<Context, decltype(&Context::getBoundPipNet), &Context::getBoundPipNet, conv_to_str<IdString>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "getBoundPipNet");
+ fn_wrapper_1a<Context, decltype(&Context::getConflictingPipNet), &Context::getConflictingPipNet,
+ conv_to_str<IdString>, conv_from_str<PipId>>::def_wrap(ctx_cls, "getConflictingPipNet");
+
+ fn_wrapper_1a<Context, decltype(&Context::getPipsDownhill), &Context::getPipsDownhill, wrap_context<PipRange>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getPipsDownhill");
+ fn_wrapper_1a<Context, decltype(&Context::getPipsUphill), &Context::getPipsUphill, wrap_context<PipRange>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getPipsUphill");
+ fn_wrapper_1a<Context, decltype(&Context::getWireAliases), &Context::getWireAliases, wrap_context<PipRange>,
+ conv_from_str<WireId>>::def_wrap(ctx_cls, "getWireAliases");
+
+ fn_wrapper_1a<Context, decltype(&Context::getPipSrcWire), &Context::getPipSrcWire, conv_to_str<WireId>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipSrcWire");
+ fn_wrapper_1a<Context, decltype(&Context::getPipDstWire), &Context::getPipDstWire, conv_to_str<WireId>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipDstWire");
+ fn_wrapper_1a<Context, decltype(&Context::getPipDelay), &Context::getPipDelay, pass_through<DelayInfo>,
+ conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipDelay");
+
+ fn_wrapper_1a<Context, decltype(&Context::getPackagePinBel), &Context::getPackagePinBel, conv_to_str<BelId>,
+ pass_through<std::string>>::def_wrap(ctx_cls, "getPackagePinBel");
+ fn_wrapper_1a<Context, decltype(&Context::getBelPackagePin), &Context::getBelPackagePin, pass_through<std::string>,
+ conv_from_str<BelId>>::def_wrap(ctx_cls, "getBelPackagePin");
+
+ fn_wrapper_0a<Context, decltype(&Context::getChipName), &Context::getChipName, pass_through<std::string>>::def_wrap(
+ ctx_cls, "getChipName");
+ fn_wrapper_0a<Context, decltype(&Context::archId), &Context::archId, conv_to_str<IdString>>::def_wrap(ctx_cls,
+ "archId");
+
+ typedef std::unordered_map<IdString, std::unique_ptr<CellInfo>> CellMap;
+ typedef std::unordered_map<IdString, std::unique_ptr<NetInfo>> NetMap;
+
+ readonly_wrapper<Context, decltype(&Context::cells), &Context::cells, wrap_context<CellMap &>>::def_wrap(ctx_cls,
+ "cells");
+ readonly_wrapper<Context, decltype(&Context::nets), &Context::nets, wrap_context<NetMap &>>::def_wrap(ctx_cls,
+ "nets");
+ WRAP_RANGE(Bel, conv_to_str<BelId>);
+ WRAP_RANGE(Wire, conv_to_str<WireId>);
+ WRAP_RANGE(AllPip, conv_to_str<PipId>);
+ WRAP_RANGE(Pip, conv_to_str<PipId>);
+
+ WRAP_MAP_UPTR(CellMap, "IdCellMap");
+ WRAP_MAP_UPTR(NetMap, "IdNetMap");
+}
NEXTPNR_NAMESPACE_END
-#endif
+#endif // NO_PYTHON
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index c2218762..f1feba24 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -185,22 +185,31 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
}
// Find bank voltages
std::unordered_map<int, IOVoltage> bankVcc;
+ std::unordered_map<int, bool> bankLvds;
+
for (auto &cell : ctx->cells) {
CellInfo *ci = cell.second.get();
if (ci->bel != BelId() && ci->type == ctx->id("TRELLIS_IO")) {
int bank = ctx->getPioBelBank(ci->bel);
+ std::string dir = str_or_default(ci->params, ctx->id("DIR"), "INPUT");
std::string iotype = str_or_default(ci->attrs, ctx->id("IO_TYPE"), "LVCMOS33");
- IOVoltage vcc = get_vccio(ioType_from_str(iotype));
- if (bankVcc.find(bank) != bankVcc.end()) {
- // TODO: strong and weak constraints
- if (bankVcc[bank] != vcc) {
- log_error("Error processing '%s': incompatible IO voltages %s and %s on bank %d.",
- cell.first.c_str(ctx), iovoltage_to_str(bankVcc[bank]).c_str(),
- iovoltage_to_str(vcc).c_str(), bank);
+
+ if (dir != "INPUT") {
+ IOVoltage vcc = get_vccio(ioType_from_str(iotype));
+ if (bankVcc.find(bank) != bankVcc.end()) {
+ // TODO: strong and weak constraints
+ if (bankVcc[bank] != vcc) {
+ log_error("Error processing '%s': incompatible IO voltages %s and %s on bank %d.",
+ cell.first.c_str(ctx), iovoltage_to_str(bankVcc[bank]).c_str(),
+ iovoltage_to_str(vcc).c_str(), bank);
+ }
+ } else {
+ bankVcc[bank] = vcc;
}
- } else {
- bankVcc[bank] = vcc;
}
+
+ if (iotype == "LVDS")
+ bankLvds[bank] = true;
}
}
@@ -211,6 +220,10 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
int bank = std::stoi(type.substr(7));
if (bankVcc.find(bank) != bankVcc.end())
cc.tiles[tile.first].add_enum("BANK.VCCIO", iovoltage_to_str(bankVcc[bank]));
+ if (bankLvds[bank]) {
+ cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON");
+ cc.tiles[tile.first].add_enum("BANK.LVDSO", "ON");
+ }
}
}
@@ -267,8 +280,8 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
other = "PIOD";
else
log_error("cannot place differential IO at location %s\n", pio.c_str());
- cc.tiles[pio_tile].add_enum(other + ".BASE_TYPE", "_NONE_");
- cc.tiles[pic_tile].add_enum(other + ".BASE_TYPE", "_NONE_");
+ //cc.tiles[pio_tile].add_enum(other + ".BASE_TYPE", "_NONE_");
+ //cc.tiles[pic_tile].add_enum(other + ".BASE_TYPE", "_NONE_");
cc.tiles[pio_tile].add_enum(other + ".PULLMODE", "NONE");
cc.tiles[pio_tile].add_enum(pio + ".PULLMODE", "NONE");
}