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Merge pull request #4489 from yrabbit/dcs

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Gowin. Add the DCS primitive
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Emil J 2024-07-18 11:55:38 +02:00 • committed by GitHub
commit 1440f624ee
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2 changed files with 11 additions and 6 deletions
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11
techlibs/gowin/cells_sim.v
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@ -1901,3 +1901,14 @@ output OSCOUT;
parameter FREQ_DIV = 100; parameter FREQ_DIV = 100;
parameter REGULATOR_EN = 1'b0; parameter REGULATOR_EN = 1'b0;
endmodule endmodule
(* blackbox *)
module DCS (CLK0, CLK1, CLK2, CLK3, CLKSEL, SELFORCE, CLKOUT);
input CLK0, CLK1, CLK2, CLK3, SELFORCE;
input [3:0] CLKSEL;
output CLKOUT;
parameter DCS_MODE = "RISING";
endmodule

6
techlibs/gowin/cells_xtra.v
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@ -1564,12 +1564,6 @@ parameter IDLE = 4'd0,
RD_S2 = 4'd12; RD_S2 = 4'd12;
endmodule endmodule
module DCS (...);
input CLK0, CLK1, CLK2, CLK3, SELFORCE;
input [3:0] CLKSEL;
output CLKOUT;
endmodule
module DQCE (...); module DQCE (...);
input CLKIN; input CLKIN;
input CE; input CE;