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/*
* 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_clkbuf(int x, int y)
{
for (int z = 0; z < 4; z++) {
if (z != 2)
continue; // TODO: why do other Zs not work?
// For now we only consider the input path from general routing, other inputs like dedicated clock pins are
// still a TODO
BelId bel = add_bel(x, y, idf("CLKBUF[%d]", z), id_MISTRAL_CLKENA);
add_bel_pin(bel, id_A, PORT_IN, get_port(CycloneV::CMUXHG, x, y, -1, CycloneV::CLKIN, z));
add_bel_pin(bel, id_Q, PORT_OUT, get_port(CycloneV::CMUXHG, x, y, z, CycloneV::CLKOUT));
// TODO: enable pin
bel_data(bel).block_index = z;
}
}
bool Arch::is_clkbuf_cell(IdString cell_type) const
{
return cell_type == id_MISTRAL_CLKENA || cell_type == id_MISTRAL_CLKBUF;
}
void Arch::create_hps_mpu_general_purpose(int x, int y)
{
BelId gp_bel =
add_bel(x, y, id_cyclonev_hps_interface_mpu_general_purpose, id_cyclonev_hps_interface_mpu_general_purpose);
for (int i = 0; i < 32; i++) {
add_bel_pin(gp_bel, idf("gp_in[%d]", i), PORT_IN,
get_port(CycloneV::HPS_MPU_GENERAL_PURPOSE, x, y, -1, CycloneV::GP_IN, i));
add_bel_pin(gp_bel, idf("gp_out[%d]", i), PORT_OUT,
get_port(CycloneV::HPS_MPU_GENERAL_PURPOSE, x, y, -1, CycloneV::GP_OUT, i));
}
}
void Arch::create_control(int x, int y)
{
BelId oscillator_bel = add_bel(x, y, id_cyclonev_oscillator, id_cyclonev_oscillator);
add_bel_pin(oscillator_bel, id_oscena, PORT_IN, get_port(CycloneV::CTRL, x, y, -1, CycloneV::OSC_ENA, -1));
add_bel_pin(oscillator_bel, id_clkout, PORT_OUT, get_port(CycloneV::CTRL, x, y, -1, CycloneV::CLK_OUT, -1));
add_bel_pin(oscillator_bel, id_clkout1, PORT_OUT, get_port(CycloneV::CTRL, x, y, -1, CycloneV::CLK_OUT1, -1));
}
NEXTPNR_NAMESPACE_END
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