diff options
Diffstat (limited to 'techlibs/xilinx/cells_sim.v')
| -rw-r--r-- | techlibs/xilinx/cells_sim.v | 53 |
1 files changed, 36 insertions, 17 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index bec9ea1a0..26df5bc93 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -29,24 +29,35 @@ module GND(output G); assign G = 0; endmodule -module IBUF(output O, input I); +module IBUF( + output O, + (* iopad_external_pin *) + input I); parameter IOSTANDARD = "default"; parameter IBUF_LOW_PWR = 0; assign O = I; endmodule -module OBUF(output O, input I); +module OBUF( + (* iopad_external_pin *) + output O, + input I); parameter IOSTANDARD = "default"; parameter DRIVE = 12; parameter SLEW = "SLOW"; assign O = I; endmodule -module BUFG(output O, input I); +module BUFG( + (* clkbuf_driver *) + output O, + input I); + assign O = I; endmodule module BUFGCTRL( + (* clkbuf_driver *) output O, input I0, input I1, input S0, input S1, @@ -72,7 +83,11 @@ assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT); endmodule -module BUFHCE(output O, input I, input CE); +module BUFHCE( + (* clkbuf_driver *) + output O, + input I, + input CE); parameter [0:0] INIT_OUT = 1'b0; parameter CE_TYPE = "SYNC"; @@ -219,7 +234,7 @@ endmodule `endif -module FDRE (output reg Q, input C, CE, D, R); +module FDRE (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -231,7 +246,7 @@ module FDRE (output reg Q, input C, CE, D, R); endcase endgenerate endmodule -module FDSE (output reg Q, input C, CE, D, S); +module FDSE (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -243,7 +258,7 @@ module FDSE (output reg Q, input C, CE, D, S); endcase endgenerate endmodule -module FDCE (output reg Q, input C, CE, D, CLR); +module FDCE (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -257,7 +272,7 @@ module FDCE (output reg Q, input C, CE, D, CLR); endcase endgenerate endmodule -module FDPE (output reg Q, input C, CE, D, PRE); +module FDPE (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -271,25 +286,25 @@ module FDPE (output reg Q, input C, CE, D, PRE); endcase endgenerate endmodule -module FDRE_1 (output reg Q, input C, CE, D, R); +module FDRE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; endmodule -module FDSE_1 (output reg Q, input C, CE, D, S); +module FDSE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); parameter [0:0] INIT = 1'b1; initial Q <= INIT; always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; endmodule -module FDCE_1 (output reg Q, input C, CE, D, CLR); +module FDCE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; endmodule -module FDPE_1 (output reg Q, input C, CE, D, PRE); +module FDPE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); parameter [0:0] INIT = 1'b1; initial Q <= INIT; always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; @@ -299,7 +314,7 @@ endmodule module RAM32X1D ( output DPO, SPO, (* abc_scc_break *) input D, - input WCLK, + (* clkbuf_sink *) input WCLK, (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 @@ -319,7 +334,7 @@ endmodule module RAM64X1D ( output DPO, SPO, (* abc_scc_break *) input D, - input WCLK, + (* clkbuf_sink *) input WCLK, (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 @@ -339,7 +354,7 @@ endmodule module RAM128X1D ( output DPO, SPO, (* abc_scc_break *) input D, - input WCLK, + (* clkbuf_sink *) input WCLK, (* abc_scc_break *) input WE, input [6:0] A, DPRA ); @@ -354,7 +369,9 @@ endmodule module SRL16E ( output Q, - input A0, A1, A2, A3, CE, CLK, D + (* clkbuf_sink *) + input CLK, + input A0, A1, A2, A3, CE, D ); parameter [15:0] INIT = 16'h0000; parameter [0:0] IS_CLK_INVERTED = 1'b0; @@ -374,7 +391,9 @@ module SRLC32E ( output Q, output Q31, input [4:0] A, - input CE, CLK, D + (* clkbuf_sink *) + input CLK, + input CE, D ); parameter [31:0] INIT = 32'h00000000; parameter [0:0] IS_CLK_INVERTED = 1'b0; |