0994e11b73
Information about what function (main or auxiliary) the cell performs in these primitives is transmitted through the tile's extra data. And this also allows us to remove the calculation of the coordinates of the auxiliary cell on the go. Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
43 lines
907 B
C++
43 lines
907 B
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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};
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NEXTPNR_NAMESPACE_END
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#endif
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