diff options
Diffstat (limited to 'cyclonev')
| -rw-r--r-- | cyclonev/arch.cc | 19 | ||||
| -rw-r--r-- | cyclonev/arch.h | 15 | ||||
| -rw-r--r-- | cyclonev/constids.inc | 8 | ||||
| -rw-r--r-- | cyclonev/io.cc | 53 | ||||
| -rw-r--r-- | cyclonev/lab.cc | 6 |
5 files changed, 92 insertions, 9 deletions
diff --git a/cyclonev/arch.cc b/cyclonev/arch.cc index 8dd21499..9aee5a59 100644 --- a/cyclonev/arch.cc +++ b/cyclonev/arch.cc @@ -67,8 +67,7 @@ Arch::Arch(ArchArgs args) create_lab(x, y); break; case CycloneV::block_type_t::GPIO: - // GPIO tiles contain 4 pins - // TODO + create_gpio(x, y); break; default: continue; @@ -137,6 +136,18 @@ IdStringList Arch::getBelName(BelId bel) const return IdStringList(ids); } +bool Arch::isBelLocationValid(BelId bel) const +{ + auto &data = bel_data(bel); + // Incremental validity update + if (data.type == id_MISTRAL_COMB) { + return is_alm_legal(data.lab_data.lab, data.lab_data.alm); + } else if (data.type == id_MISTRAL_FF) { + return is_alm_legal(data.lab_data.lab, data.lab_data.alm) && is_lab_ctrlset_legal(data.lab_data.lab); + } + return true; +} + WireId Arch::getWireByName(IdStringList name) const { // non-mistral wires @@ -217,6 +228,8 @@ bool Arch::isValidBelForCellType(IdString cell_type, BelId bel) const IdString bel_type = getBelType(bel); if (bel_type == id_MISTRAL_COMB) return is_comb_cell(cell_type); + else if (bel_type == id_MISTRAL_IO) + return is_io_cell(cell_type); else return bel_type == cell_type; } @@ -225,6 +238,8 @@ BelBucketId Arch::getBelBucketForCellType(IdString cell_type) const { if (is_comb_cell(cell_type)) return id_MISTRAL_COMB; + else if (is_io_cell(cell_type)) + return id_MISTRAL_IO; else return cell_type; } diff --git a/cyclonev/arch.h b/cyclonev/arch.h index 34d90a04..301f19d8 100644 --- a/cyclonev/arch.h +++ b/cyclonev/arch.h @@ -44,8 +44,6 @@ struct ALMInfo std::array<BelId, 2> lut_bels; std::array<BelId, 4> ff_bels; // TODO: ALM configuration (L5/L6 mode, LUT input permutation, etc) - // So we only validity-check changed parts - bool valid = false, dirty = false; }; struct LABInfo @@ -56,9 +54,6 @@ struct LABInfo std::array<WireId, 2> aclr_wires; WireId sclr_wire, sload_wire; // TODO: LAB configuration (control set etc) - - // These apply to the validity-checking status of the shared FF control sets - bool ctrl_valid = false, ctrl_dirty = false; }; struct PinInfo @@ -278,6 +273,8 @@ struct Arch : BaseArch<ArchRanges> PortType getBelPinType(BelId bel, IdString pin) const override { return bel_data(bel).pins.at(pin).dir; } std::vector<IdString> getBelPins(BelId bel) const override; + bool isBelLocationValid(BelId bel) const override; + // ------------------------------------------------- WireId getWireByName(IdStringList name) const override; @@ -341,8 +338,8 @@ struct Arch : BaseArch<ArchRanges> return WireId(cyclonev->pnode_to_rnode(CycloneV::pnode(bt, x, y, port, bi, pi))); } - void create_lab(int x, int y); // lab.cc - void create_gpio(int x, int y); + void create_lab(int x, int y); // lab.cc + void create_gpio(int x, int y); // io.cc // ------------------------------------------------- @@ -355,6 +352,10 @@ struct Arch : BaseArch<ArchRanges> // ------------------------------------------------- + bool is_io_cell(IdString cell_type) const; // io.cc + + // ------------------------------------------------- + static const std::string defaultPlacer; static const std::vector<std::string> availablePlacers; static const std::string defaultRouter; diff --git a/cyclonev/constids.inc b/cyclonev/constids.inc index 90d5e753..fcc723f8 100644 --- a/cyclonev/constids.inc +++ b/cyclonev/constids.inc @@ -3,6 +3,14 @@ X(MISTRAL_FF) X(LAB) X(MLAB) +X(MISTRAL_IO) +X(I) +X(O) +X(OE) +X(PAD) +X(MISTRAL_IB) +X(MISTRAL_OB) + X(A) X(B) X(C) diff --git a/cyclonev/io.cc b/cyclonev/io.cc new file mode 100644 index 00000000..f2517e5d --- /dev/null +++ b/cyclonev/io.cc @@ -0,0 +1,53 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2021 gatecat <gatecat@ds0.me> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "log.h" +#include "nextpnr.h" +#include "util.h" + +NEXTPNR_NAMESPACE_BEGIN + +void Arch::create_gpio(int x, int y) +{ + for (int z = 0; z < 4; z++) { + // Notional pad wire + WireId pad = add_wire(x, y, id(stringf("PAD[%d]", z))); + BelId bel = add_bel(x, y, id(stringf("IO[%d]", z)), id_MISTRAL_IO); + add_bel_pin(bel, id_PAD, PORT_INOUT, pad); + // FIXME: is the port index of zero always correct? + add_bel_pin(bel, id_I, PORT_IN, get_port(CycloneV::GPIO, x, y, z, CycloneV::DATAIN, 0)); + add_bel_pin(bel, id_OE, PORT_IN, get_port(CycloneV::GPIO, x, y, z, CycloneV::OEIN, 0)); + add_bel_pin(bel, id_O, PORT_OUT, get_port(CycloneV::GPIO, x, y, z, CycloneV::DATAOUT, 0)); + } +} + +bool Arch::is_io_cell(IdString cell_type) const +{ + // Return true if a cell is an IO buffer cell type + switch (cell_type.index) { + case ID_MISTRAL_IB: + case ID_MISTRAL_OB: + case ID_MISTRAL_IO: + return true; + default: + return false; + } +} + +NEXTPNR_NAMESPACE_END
\ No newline at end of file diff --git a/cyclonev/lab.cc b/cyclonev/lab.cc index 4e10fe59..6f7c5e6d 100644 --- a/cyclonev/lab.cc +++ b/cyclonev/lab.cc @@ -377,4 +377,10 @@ bool Arch::is_alm_legal(uint32_t lab, uint8_t alm) const return true; } +bool Arch::is_lab_ctrlset_legal(uint32_t lab) const +{ + // TODO + return true; +} + NEXTPNR_NAMESPACE_END
\ No newline at end of file |