86 lines
4.6 KiB
C++
86 lines
4.6 KiB
C++
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/*
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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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NEXTPNR_NAMESPACE_BEGIN
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namespace {
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// Device-specific default config for the sx120f die
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void default_sx120f(CycloneV *cv)
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{
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// Default PMA config?
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 11), CycloneV::FFPLL_IQCLK_DIRECTION, 0, CycloneV::TRISTATE);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 11), CycloneV::FFPLL_IQCLK_DIRECTION, 1, CycloneV::TRISTATE);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 23), CycloneV::FFPLL_IQCLK_DIRECTION, 0, CycloneV::DOWN);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 23), CycloneV::FFPLL_IQCLK_DIRECTION, 1, CycloneV::UP);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 35), CycloneV::FFPLL_IQCLK_DIRECTION, 0, CycloneV::UP);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 35), CycloneV::FFPLL_IQCLK_DIRECTION, 1, CycloneV::UP);
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cv->bmux_b_set(CycloneV::PMA3, CycloneV::xy2pos(0, 35), CycloneV::FPLL_DRV_EN, -1, false);
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cv->bmux_m_set(CycloneV::PMA3, CycloneV::xy2pos(0, 35), CycloneV::HCLK_TOP_OUT_DRIVER, -1, CycloneV::TRISTATE);
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// Default PLL config
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_ATB_EN0, -1, true);
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_ATB_EN0_PRECOMP, -1, true);
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_ATB_EN1, -1, true);
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_ATB_EN1_PRECOMP, -1, true);
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_BG_KICKSTART, -1, true);
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cv->bmux_b_set(CycloneV::FPLL, CycloneV::xy2pos(0, 73), CycloneV::PL_AUX_VBGMON_POWERDOWN, -1, true);
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// Discover these mux values using
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// grep 'i [_A-Z0-9.]* 1' empty.bt
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 12), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 13), 4), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 34), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 35), 4), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 37), 31), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 40), 43), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 46), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 47), 53), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 53), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 54), 4), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(0, 73), 68), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 18), 66), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 20), 8), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 27), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 28), 43), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 59), 66), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 61), 8), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 68), 69), true);
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(9, 69), 43), true);
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for (int z = 10; z <= 45; z++)
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cv->inv_set(CycloneV::rnode(CycloneV::GOUT, CycloneV::xy2pos(51, 80), z), true);
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}
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} // namespace
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void Arch::init_base_bitstream()
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{
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switch (cyclonev->current_model()->variant.die.type) {
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case CycloneV::SX120F:
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default_sx120f(cyclonev);
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break;
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default:
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log_error("FIXME: die type %s currently unsupported for bitgen.\n",
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cyclonev->current_model()->variant.die.name);
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}
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}
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NEXTPNR_NAMESPACE_END
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