nextpnr/himbaechel/uarch/ng-ultra/ng_ultra.h
2024-11-29 10:12:05 +01:00

127 lines
4.5 KiB
C++

/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2024 The Project Beyond Authors.
*
* 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.
*
*/
#ifndef HIMBAECHEL_NG_ULTRA_H
#define HIMBAECHEL_NG_ULTRA_H
#include <deque>
#include "extra_data.h"
#include "himbaechel_api.h"
#include "log.h"
#include "nextpnr.h"
#include "util.h"
#include "himbaechel_helpers.h"
#ifdef GTEST_API_
#define TESTABLE_PRIVATE public
#else
#define TESTABLE_PRIVATE private
#endif
NEXTPNR_NAMESPACE_BEGIN
struct NgUltraImpl : HimbaechelAPI
{
~NgUltraImpl();
void init_database(Arch *arch) override;
void init(Context *ctx) override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
IdString getBelBucketForCellType(IdString cell_type) const override;
bool isValidBelForCellType(IdString cell_type, BelId bel) const override;
BelBucketId getBelBucketForBel(BelId bel) const override;
// Flow management
void pack() override;
void postPlace() override;
void postRoute() override;
void configurePlacerHeap(PlacerHeapCfg &cfg) override;
bool getClusterPlacement(ClusterId cluster, BelId root_bel,
std::vector<std::pair<CellInfo *, BelId>> &placement) const override;
bool getChildPlacement(const BaseClusterInfo *cluster, Loc root_loc,
std::vector<std::pair<CellInfo *, BelId>> &placement) const;
BoundingBox getRouteBoundingBox(WireId src, WireId dst) const override;
delay_t estimateDelay(WireId src, WireId dst) const override;
delay_t predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdString dst_pin) const override;
bool checkPipAvail(PipId pip) const override { return blocked_pips.count(pip) == 0; }
bool checkPipAvailForNet(PipId pip, const NetInfo *net) const override { return checkPipAvail(pip); };
void expandBoundingBox(BoundingBox &bb) const override;
void drawBel(std::vector<GraphicElement> &g, GraphicElement::style_t style, IdString bel_type, Loc loc) override;
public:
int tile_lobe(int tile) const;
TileTypeExtra tile_type(int tile) const;
IdString tile_name_id(int tile) const;
std::string tile_name(int tile) const;
const dict<IdString, pool<IdString>> &get_fabric_lowskew_sinks();
bool is_fabric_lowskew_sink(const PortRef &ref);
bool is_ring_clock_sink(const PortRef &ref);
bool is_ring_over_tile_clock_sink(const PortRef &ref);
bool is_tube_clock_sink(const PortRef &ref);
bool is_ring_clock_source(const PortRef &ref);
bool is_tube_clock_source(const PortRef &ref);
const NGUltraPipExtraDataPOD *pip_extra_data(PipId pip) const;
const NGUltraBelExtraDataPOD *bel_extra_data(BelId bel) const;
dict<IdString, BelId> iom_bels;
dict<std::string, std::string> bank_voltage;
dict<BelId, IdString> global_capable_bels;
dict<std::string, BelId> locations;
dict<std::string, Loc> tile_locations;
dict<int, std::vector<GckConfig>> gck_per_lobe;
pool<PipId> blocked_pips;
dict<IdString, std::pair<IdString, IdString>> bank_to_ckg;
dict<BelId, IdString> unused_wfg;
dict<BelId, IdString> unused_pll;
dict<BelId, BelId> dsp_cascade;
/* clang-format off */
TESTABLE_PRIVATE:
void write_bitstream_json(const std::string &filename);
/* clang-format on */
void parse_csv(const std::string &filename);
void remove_constants();
bool update_bff_to_csc(CellInfo *cell, BelId bel, PipId dst_pip);
bool update_bff_to_scc(CellInfo *cell, BelId bel, PipId dst_pip);
void disable_beyond_fe_s_output(BelId bel);
void fixup_crossbars();
// Misc utility functions
bool get_mux_data(BelId bel, IdString port, uint8_t *value);
bool get_mux_data(WireId wire, uint8_t *value);
const NGUltraTileInstExtraDataPOD *tile_extra_data(int tile) const;
};
NEXTPNR_NAMESPACE_END
#endif