39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2021 gatecat <gatecat@ds0.me>
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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 "log.h"
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#include "nextpnr.h"
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#include "util.h"
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NEXTPNR_NAMESPACE_BEGIN
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void Arch::create_clkbuf(int x, int y)
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{
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for (int z = 0; z < 4; z++) {
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// For now we only consider the input path from general routing, other inputs like dedicated clock pins are
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// still a TODO
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BelId bel = add_bel(x, y, id(stringf("CLKBUF[%d]", z)), id_MISTRAL_CLKENA);
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add_bel_pin(bel, id_A, PORT_IN, get_port(CycloneV::CMUXHG, x, y, -1, CycloneV::CLKIN, z));
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add_bel_pin(bel, id_Q, PORT_OUT, get_port(CycloneV::CMUXHG, x, y, z, CycloneV::CLKOUT));
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// TODO: enable pin
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}
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}
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NEXTPNR_NAMESPACE_END
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