110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2020 David Shah <dave@ds0.me>
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*
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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namespace {
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static const std::unordered_map<IdString, Arch::CellPinsData> base_cell_pin_data = {
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{id_OXIDE_COMB,
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{
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{id_WCK, PINSTYLE_DEDI},
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{id_WRE, PINSTYLE_DEDI},
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{id_FCI, PINSTYLE_DEDI},
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{id_F1, PINSTYLE_DEDI},
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{id_WAD0, PINSTYLE_DEDI},
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{id_WAD1, PINSTYLE_DEDI},
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{id_WAD2, PINSTYLE_DEDI},
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{id_WAD3, PINSTYLE_DEDI},
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{id_WDI, PINSTYLE_DEDI},
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{{}, PINSTYLE_PU},
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}},
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{id_OXIDE_FF,
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{
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{id_CLK, PINSTYLE_CLK},
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{id_LSR, PINSTYLE_LSR},
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{id_CE, PINSTYLE_CE},
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{{}, PINSTYLE_DEDI},
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}},
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{id_RAMW,
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{
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{id_CLK, PINSTYLE_CLK},
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{{}, PINSTYLE_DEDI},
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}},
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{id_SEIO18_CORE,
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{
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{id_T, PINSTYLE_T},
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{id_B, PINSTYLE_DEDI},
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{{}, PINSTYLE_PU},
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}},
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{id_DIFFIO18_CORE,
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{
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{id_T, PINSTYLE_T},
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{id_B, PINSTYLE_DEDI},
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{{}, PINSTYLE_PU},
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}},
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{id_SEIO33_CORE,
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{
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{id_T, PINSTYLE_T},
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{id_B, PINSTYLE_DEDI},
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{{}, PINSTYLE_PU},
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}},
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{id_OXIDE_EBR,
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{{id_CLKA, PINSTYLE_CLK}, {id_CLKB, PINSTYLE_CLK}, {id_CEA, PINSTYLE_CE}, {id_CEB, PINSTYLE_CE},
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{id_CSA0, PINSTYLE_PU}, {id_CSA1, PINSTYLE_PU}, {id_CSA2, PINSTYLE_PU}, {id_CSB0, PINSTYLE_PU},
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{id_CSB1, PINSTYLE_PU}, {id_CSB2, PINSTYLE_PU}, {id_ADA0, PINSTYLE_ADLSB}, {id_ADA1, PINSTYLE_ADLSB},
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{id_ADA2, PINSTYLE_ADLSB}, {id_ADA2, PINSTYLE_ADLSB}, {id_ADA3, PINSTYLE_ADLSB}, {id_ADB0, PINSTYLE_ADLSB},
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{id_ADB1, PINSTYLE_ADLSB}, {id_WEA, PINSTYLE_INV_PD}, {id_WEB, PINSTYLE_INV_PD}, {id_RSTA, PINSTYLE_INV_PD},
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{id_RSTB, PINSTYLE_INV_PD}, {{id_DWS0}, PINSTYLE_PU}, {{id_DWS1}, PINSTYLE_PU}, {{id_DWS2}, PINSTYLE_PU},
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{{id_DWS3}, PINSTYLE_PU}, {{id_DWS4}, PINSTYLE_PU}, {{}, PINSTYLE_CIB}}},
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{id_OSC_CORE,
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{
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{id_HFOUTEN, PINSTYLE_PU},
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{{}, PINSTYLE_CIB},
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}},
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};
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} // namespace
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void Arch::init_cell_pin_data() { cell_pins_db = base_cell_pin_data; }
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CellPinStyle Arch::get_cell_pin_style(const CellInfo *cell, IdString port) const
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{
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// Look up the pin style in the cell database
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auto fnd_cell = cell_pins_db.find(cell->type);
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if (fnd_cell == cell_pins_db.end())
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return PINSTYLE_NONE;
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auto fnd_port = fnd_cell->second.find(port);
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if (fnd_port != fnd_cell->second.end())
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return fnd_port->second;
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// If there isn't an exact port match, then the empty IdString
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// represents a wildcard default match
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auto fnd_default = fnd_cell->second.find({});
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if (fnd_default != fnd_cell->second.end())
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return fnd_default->second;
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return PINSTYLE_NONE;
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}
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NEXTPNR_NAMESPACE_END
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