diff options
| author | YRabbit <rabbit@yrabbit.cyou> | 2022-06-24 08:20:06 +1000 |
|---|---|---|
| committer | YRabbit <rabbit@yrabbit.cyou> | 2022-06-24 08:20:06 +1000 |
| commit | 63f2acd42adf3884d153381696cf7845c6d74162 (patch) | |
| tree | bc02a8defc447615753be76aecfbf64684f25c9f /gowin | |
| parent | 590b9050ff5cc618b4df50e0877b4bf6d9e7949d (diff) | |
| download | nextpnr-63f2acd42adf3884d153381696cf7845c6d74162.tar.gz nextpnr-63f2acd42adf3884d153381696cf7845c6d74162.tar.bz2 nextpnr-63f2acd42adf3884d153381696cf7845c6d74162.zip | |
gowin: process the CLK ports of the ODDR[C] primitives
Also removed the useless references.
Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
Diffstat (limited to 'gowin')
| -rw-r--r-- | gowin/globals.cc | 15 | ||||
| -rw-r--r-- | gowin/globals.h | 1 |
2 files changed, 9 insertions, 7 deletions
diff --git a/gowin/globals.cc b/gowin/globals.cc index 5010cf79..ed75a938 100644 --- a/gowin/globals.cc +++ b/gowin/globals.cc @@ -2,6 +2,7 @@ * nextpnr -- Next Generation Place and Route * * Copyright (C) 2018 gatecat <gatecat@ds0.me> + * Copyright (C) 2022 YRabbit <rabbit@yrabbit.cyou> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -63,7 +64,7 @@ class GowinGlobalRouter bool is_clock_port(PortRef const &user) { - if (user.cell->type == id_SLICE && user.port == id_CLK) { + if ((user.cell->type == id_SLICE || user.cell->type == id_ODDR || user.cell->type == id_ODDRC) && user.port == id_CLK) { return true; } return false; @@ -78,12 +79,12 @@ class GowinGlobalRouter return WireId(); } // clock IOs have pips output->SPINExx - BelInfo &bel = ctx->bels.at(driver.cell->bel); + BelInfo &bel = ctx->bel_info(driver.cell->bel); if (bel.type != id_IOB) { return WireId(); } WireId wire = bel.pins[id_O].wire; - for (auto const &pip : ctx->getPipsDownhill(wire)) { + for (auto const pip : ctx->getPipsDownhill(wire)) { if (ctx->wire_info(ctx->getPipDstWire(pip)).type.str(ctx).rfind("SPINE", 0) == 0) { return wire; } @@ -132,7 +133,7 @@ class GowinGlobalRouter static std::vector<IdString> one_hop = {id_S111, id_S121, id_N111, id_N121, id_W111, id_W121, id_E111, id_E121}; char buf[40]; // uphill pips - for (auto const &uphill : ctx->getPipsUphill(dstWire)) { + for (auto const uphill : ctx->getPipsUphill(dstWire)) { WireId srcWire = ctx->getPipSrcWire(uphill); if (find(one_hop.begin(), one_hop.end(), ctx->wire_info(ctx->getPipSrcWire(uphill)).type) != one_hop.end()) { @@ -197,7 +198,7 @@ class GowinGlobalRouter log_info(" Can't find route to %s, net %s will be routed in a standard way.\n", dstWire.c_str(ctx), net.name.c_str(ctx)); } - for (IdString const &undo : undo_wires) { + for (IdString const undo : undo_wires) { used_wires.erase(undo); } return; @@ -243,7 +244,7 @@ class GowinGlobalRouter // meantime, we define in run-time in a completely suboptimal way. std::vector<std::string> clock_spine; dstWire = ctx->getPipSrcWire(gt_pip_id); - for (auto const &uphill_pip : ctx->getPipsUphill(dstWire)) { + for (auto const uphill_pip : ctx->getPipsUphill(dstWire)) { std::string name = ctx->wire_info(ctx->getPipSrcWire(uphill_pip)).type.str(ctx); if (name.rfind("SPINE", 0) == 0) { clock_spine.push_back(name); @@ -275,7 +276,7 @@ class GowinGlobalRouter dstWire = ctx->getPipSrcWire(spine_pip_id); dstWireInfo = ctx->wire_info(dstWire); PipId io_pip_id = PipId(); - for (auto const &uphill_pip : ctx->getPipsUphill(dstWire)) { + for (auto const uphill_pip : ctx->getPipsUphill(dstWire)) { if (ctx->getPipSrcWire(uphill_pip) == net.clock_io_wire) { io_pip_id = uphill_pip; } diff --git a/gowin/globals.h b/gowin/globals.h index 4731447c..41a8727a 100644 --- a/gowin/globals.h +++ b/gowin/globals.h @@ -2,6 +2,7 @@ * nextpnr -- Next Generation Place and Route * * Copyright (C) 2018 gatecat <gatecat@ds0.me> + * Copyright (C) 2022 YRabbit <rabbit@yrabbit.cyou> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above |