mirror of https://github.com/YosysHQ/nextpnr.git
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#ifndef GOWIN_UTILS_H
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#define GOWIN_UTILS_H
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#include "idstringlist.h"
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#include "nextpnr_namespaces.h"
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#include "nextpnr_types.h"
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NEXTPNR_NAMESPACE_BEGIN
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namespace BelFlags {
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static constexpr uint32_t FLAG_SIMPLE_IO = 0x100;
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}
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struct GowinUtils
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{
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Context *ctx;
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GowinUtils() {}
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void init(Context *ctx) { this->ctx = ctx; }
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// tile
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IdString get_tile_class(int x, int y);
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Loc get_tile_io16_offs(int x, int y);
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// pin functions: GCLKT_4, SSPI_CS, READY etc
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IdStringList get_pin_funcs(BelId bel);
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// Bels and pips
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bool is_simple_io_bel(BelId bel);
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Loc get_pair_iologic_bel(Loc loc);
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BelId get_io_bel_from_iologic(BelId bel);
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bool is_diff_io_supported(IdString type);
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bool have_bottom_io_cnds(void);
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IdString get_bottom_io_wire_a_net(int8_t condition);
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IdString get_bottom_io_wire_b_net(int8_t condition);
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// wires
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inline bool is_wire_type_default(IdString wire_type) { return wire_type == IdString(); }
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// If wire is an important part of the global network (like SPINExx)
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inline bool is_global_wire(WireId wire) const
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{
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return ctx->getWireName(wire)[1].in(
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id_SPINE0, id_SPINE1, id_SPINE2, id_SPINE3, id_SPINE4, id_SPINE5, id_SPINE6, id_SPINE7, id_SPINE8,
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id_SPINE9, id_SPINE10, id_SPINE11, id_SPINE12, id_SPINE13, id_SPINE14, id_SPINE15, id_SPINE16,
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id_SPINE17, id_SPINE18, id_SPINE19, id_SPINE20, id_SPINE21, id_SPINE22, id_SPINE23, id_SPINE24,
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id_SPINE25, id_SPINE26, id_SPINE27, id_SPINE28, id_SPINE29, id_SPINE30, id_SPINE31);
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}
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// pips
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inline bool is_global_pip(PipId pip) const
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{
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return is_global_wire(ctx->getPipSrcWire(pip)) || is_global_wire(ctx->getPipDstWire(pip));
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}
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// chip dependent
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bool have_SP32(void);
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// make cell but do not include it in the list of chip cells.
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std::unique_ptr<CellInfo> create_cell(IdString name, IdString type);
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};
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NEXTPNR_NAMESPACE_END
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#endif
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