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author | Eddie Hung <eddieh@ece.ubc.ca> | 2019-02-28 11:17:13 -0800 |
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committer | Eddie Hung <eddieh@ece.ubc.ca> | 2019-02-28 11:17:13 -0800 |
commit | fe4d6898de378260c659dca08398fa434d71f7f0 (patch) | |
tree | 33a7359d06501631b93febf4b71977cd146e3c92 /techlibs/xilinx/cells_map.v | |
parent | 68f38f2ee0e82ac7250e8c4b257e33fd62d21544 (diff) | |
download | yosys-fe4d6898de378260c659dca08398fa434d71f7f0.tar.gz yosys-fe4d6898de378260c659dca08398fa434d71f7f0.tar.bz2 yosys-fe4d6898de378260c659dca08398fa434d71f7f0.zip |
synth_xilinx to call shregmap with enable support
Diffstat (limited to 'techlibs/xilinx/cells_map.v')
-rw-r--r-- | techlibs/xilinx/cells_map.v | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index 3b0a69898..168cbfa04 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -85,70 +85,75 @@ module \$lut (A, Y); endmodule `endif -module \$__SHREG_ (input C, input D, output Q); +module \$__SHREG_ (input C, input D, input E, output Q); parameter DEPTH = 0; parameter [DEPTH-1:0] INIT = 0; parameter CLKPOL = 0; parameter ENPOL = 2; + wire CE; generate + if (ENPOL != 0) + assign CE = E; + else + assign CE = ~E; if (DEPTH == 1) begin - FDRE #(.INIT(INIT), .IS_C_INVERTED(CLKPOL), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); + FDRE #(.INIT(INIT), .IS_C_INVERTED(~CLKPOL[0]), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(CE), .R(1'b0)); end else if (DEPTH <= 16) begin - SRL16E #(.INIT(INIT), .IS_CLK_INVERTED(|0)) _TECHMAP_REPLACE_ (.A0(DEPTH[0]), .A1(DEPTH[1]), .A2(DEPTH[2]), .A3(DEPTH[3]), .CE(1'b1), .CLK(C), .D(D), .Q(Q)); + SRL16E #(.INIT(INIT), .IS_CLK_INVERTED(~CLKPOL[0])) _TECHMAP_REPLACE_ (.A0(DEPTH[0]), .A1(DEPTH[1]), .A2(DEPTH[2]), .A3(DEPTH[3]), .CE(CE), .CLK(C), .D(D), .Q(Q)); end else if (DEPTH == 17) begin wire T0; - \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .Q(T0)); - \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .Q(Q)); + \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .E(E), .Q(T0)); + \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .E(E), .Q(Q)); end else if (DEPTH <= 32) begin - SRLC32E #(.INIT(INIT), .IS_CLK_INVERTED(|0)) _TECHMAP_REPLACE_ (.A(DEPTH), .CE(1'b1), .CLK(C), .D(D), .Q(Q)); + SRLC32E #(.INIT(INIT), .IS_CLK_INVERTED(~CLKPOL[0])) _TECHMAP_REPLACE_ (.A(DEPTH), .CE(CE), .CLK(C), .D(D), .Q(Q)); end else if (DEPTH == 33 || DEPTH == 49) begin wire T0; - \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .Q(T0)); - \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .Q(Q)); + \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .E(E), .Q(T0)); + \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .E(E), .Q(Q)); end else if (DEPTH <= 64) begin wire T0, T1, T2; - SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(|0)) fpga_srl_0 (.A(DEPTH), .CE(1'b1), .CLK(C), .D(D), .Q(T0), .Q31(T1)); - \$__SHREG_ #(.DEPTH(DEPTH-32), .INIT(INIT[DEPTH-1:32]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T1), .Q(T2)); + SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(DEPTH), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + \$__SHREG_ #(.DEPTH(DEPTH-32), .INIT(INIT[DEPTH-1:32]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T1), .E(E), .Q(T2)); MUXF7 fpga_mux_0 (.O(Q), .I0(T0), .I1(T2), .S(DEPTH[5])); end else if (DEPTH == 65 || DEPTH == 81) begin wire T0; - \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .Q(T0)); - \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .Q(Q)); + \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .E(E), .Q(T0)); + \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .E(E), .Q(Q)); end else if (DEPTH <= 96) begin wire T0, T1, T2, T3, T4, T5, T6; - SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(|0)) fpga_srl_0 (.A(DEPTH[4:0]), .CE(1'b1), .CLK(C), .D(D), .Q(T0), .Q31(T1)); - SRLC32E #(.INIT(INIT[64-1:32]), .IS_CLK_INVERTED(|0)) fpga_srl_1 (.A(DEPTH[4:0]), .CE(1'b1), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); - \$__SHREG_ #(.DEPTH(DEPTH-64), .INIT(INIT[DEPTH-1:64]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_2 (.C(C), .D(T3), .Q(T4)); + SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(DEPTH[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + SRLC32E #(.INIT(INIT[64-1:32]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_1 (.A(DEPTH[4:0]), .CE(CE), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); + \$__SHREG_ #(.DEPTH(DEPTH-64), .INIT(INIT[DEPTH-1:64]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_2 (.C(C), .D(T3), .E(E), .Q(T4)); MUXF7 fpga_mux_0 (.O(T5), .I0(T0), .I1(T2), .S(DEPTH[5])); MUXF7 fpga_mux_1 (.O(T6), .I0(T4), .I1(1'b0 /* unused */), .S(DEPTH[5])); MUXF8 fpga_mux_2 (.O(Q), .I0(T5), .I1(T6), .S(DEPTH[6])); end else if (DEPTH == 97 || DEPTH == 113) begin wire T0; - \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .Q(T0)); - \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .Q(Q)); + \$__SHREG_ #(.DEPTH(DEPTH-1), .INIT(INIT[DEPTH-2:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .E(E), .Q(T0)); + \$__SHREG_ #(.DEPTH(1), .INIT(INIT[DEPTH-1]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .E(E), .Q(Q)); end else if (DEPTH <= 128) begin wire T0, T1, T2, T3, T4, T5, T6, T7, T8; - SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(|0)) fpga_srl_0 (.A(DEPTH[4:0]), .CE(1'b1), .CLK(C), .D(D), .Q(T0), .Q31(T1)); - SRLC32E #(.INIT(INIT[64-1:32]), .IS_CLK_INVERTED(|0)) fpga_srl_1 (.A(DEPTH[4:0]), .CE(1'b1), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); - SRLC32E #(.INIT(INIT[96-1:64]), .IS_CLK_INVERTED(|0)) fpga_srl_2 (.A(DEPTH[4:0]), .CE(1'b1), .CLK(C), .D(T3), .Q(T4), .Q31(T5)); - \$__SHREG_ #(.DEPTH(DEPTH-96), .INIT(INIT[DEPTH-1:96]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_3 (.C(C), .D(T5), .Q(T6)); + SRLC32E #(.INIT(INIT[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(DEPTH[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + SRLC32E #(.INIT(INIT[64-1:32]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_1 (.A(DEPTH[4:0]), .CE(CE), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); + SRLC32E #(.INIT(INIT[96-1:64]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_2 (.A(DEPTH[4:0]), .CE(CE), .CLK(C), .D(T3), .Q(T4), .Q31(T5)); + \$__SHREG_ #(.DEPTH(DEPTH-96), .INIT(INIT[DEPTH-1:96]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_3 (.C(C), .D(T5), .E(E), .Q(T6)); MUXF7 fpga_mux_0 (.O(T7), .I0(T0), .I1(T2), .S(DEPTH[5])); MUXF7 fpga_mux_1 (.O(T8), .I0(T4), .I1(T6), .S(DEPTH[5])); MUXF8 fpga_mux_2 (.O(Q), .I0(T7), .I1(T8), .S(DEPTH[6])); end else begin wire T0, T1; - \$__SHREG_ #(.DEPTH(128), .INIT(INIT[128-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .Q(T0)); - \$__SHREG_ #(.DEPTH(DEPTH-128), .INIT(INIT[DEPTH-1:128]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .Q(Q)); + \$__SHREG_ #(.DEPTH(128), .INIT(INIT[128-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .E(E), .Q(T0)); + \$__SHREG_ #(.DEPTH(DEPTH-128), .INIT(INIT[DEPTH-1:128]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .E(E), .Q(Q)); end endgenerate endmodule |