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| author | whitequark <whitequark@whitequark.org> | 2019-08-30 10:05:09 +0000 |
|---|---|---|
| committer | whitequark <whitequark@whitequark.org> | 2019-08-30 10:05:09 +0000 |
| commit | d9c621f9d1e1f8e38fc38e78ab8c1bf48282fd01 (patch) | |
| tree | 0a64fec28d262d57d124ece2a4c1a6710758929a /techlibs/ecp5/cells_io.vh | |
| parent | 1e6b60d563f8e51c521cae81de5d66bff40b943f (diff) | |
| download | yosys-d9c621f9d1e1f8e38fc38e78ab8c1bf48282fd01.tar.gz yosys-d9c621f9d1e1f8e38fc38e78ab8c1bf48282fd01.tar.bz2 yosys-d9c621f9d1e1f8e38fc38e78ab8c1bf48282fd01.zip | |
ecp5: deduplicate Diamond FD/IFS/OFS/IO primitives.
Diffstat (limited to 'techlibs/ecp5/cells_io.vh')
| -rw-r--r-- | techlibs/ecp5/cells_io.vh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/techlibs/ecp5/cells_io.vh b/techlibs/ecp5/cells_io.vh new file mode 100644 index 000000000..02e66e8a5 --- /dev/null +++ b/techlibs/ecp5/cells_io.vh @@ -0,0 +1,14 @@ +// Diamond I/O buffers +module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I)); endmodule +module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBCO (input I, output OT, OC); OLVDS olvds (.A(I), .Z(OT), .ZN(OC)); endmodule +module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module ILVDS(input A, AN, output Z ); TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(A), .O(Z)); endmodule +module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(Z), .I(A)); endmodule |