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Merge pull request #928 from litghost/add_xc7_sim_models

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Add additional cells sim models for core 7-series primitives.
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Eddie Hung 2019-04-12 11:52:45 -07:00 • committed by GitHub
commit db1a5ec6a2
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3 changed files with 60 additions and 41 deletions
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57
techlibs/xilinx/cells_sim.v
View file

@ -30,10 +30,15 @@ module GND(output G);
endmodule
module IBUF(output O, input I);
parameter IOSTANDARD = "default";
parameter IBUF_LOW_PWR = 0;
assign O = I;
endmodule
module OBUF(output O, input I);
parameter IOSTANDARD = "default";
parameter DRIVE = 12;
parameter SLEW = "SLOW";
assign O = I;
endmodule
@ -41,6 +46,42 @@ module BUFG(output O, input I);
assign O = I;
endmodule
module BUFGCTRL(
output O,
input I0, input I1,
input S0, input S1,
input CE0, input CE1,
input IGNORE0, input IGNORE1);
parameter [0:0] INIT_OUT = 1'b0;
parameter PRESELECT_I0 = "FALSE";
parameter PRESELECT_I1 = "FALSE";
parameter [0:0] IS_CE0_INVERTED = 1'b0;
parameter [0:0] IS_CE1_INVERTED = 1'b0;
parameter [0:0] IS_S0_INVERTED = 1'b0;
parameter [0:0] IS_S1_INVERTED = 1'b0;
parameter [0:0] IS_IGNORE0_INVERTED = 1'b0;
parameter [0:0] IS_IGNORE1_INVERTED = 1'b0;
wire I0_internal = ((CE0 ^ IS_CE0_INVERTED) ? I0 : INIT_OUT);
wire I1_internal = ((CE1 ^ IS_CE1_INVERTED) ? I1 : INIT_OUT);
wire S0_true = (S0 ^ IS_S0_INVERTED);
wire S1_true = (S1 ^ IS_S1_INVERTED);
assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT);
endmodule
module BUFHCE(output O, input I, input CE);
parameter [0:0] INIT_OUT = 1'b0;
parameter CE_TYPE = "SYNC";
parameter [0:0] IS_CE_INVERTED = 1'b0;
assign O = ((CE ^ IS_CE_INVERTED) ? I : INIT_OUT);
endmodule
// module OBUFT(output O, input I, T);
// assign O = T ? 1'bz : I;
// endmodule
@ -98,6 +139,22 @@ module LUT6(output O, input I0, I1, I2, I3, I4, I5);
assign O = I0 ? s1[1] : s1[0];
endmodule
module LUT6_2(output O6, output O5, input I0, I1, I2, I3, I4, I5);
parameter [63:0] INIT = 0;
wire [31: 0] s5 = I5 ? INIT[63:32] : INIT[31: 0];
wire [15: 0] s4 = I4 ? s5[31:16] : s5[15: 0];
wire [ 7: 0] s3 = I3 ? s4[15: 8] : s4[ 7: 0];
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
assign O6 = I0 ? s1[1] : s1[0];
wire [15: 0] s5_4 = I4 ? INIT[31:16] : INIT[15: 0];
wire [ 7: 0] s5_3 = I3 ? s5_4[15: 8] : s5_4[ 7: 0];
wire [ 3: 0] s5_2 = I2 ? s5_3[ 7: 4] : s5_3[ 3: 0];
wire [ 1: 0] s5_1 = I1 ? s5_2[ 3: 2] : s5_2[ 1: 0];
assign O5 = I0 ? s5_1[1] : s5_1[0];
endmodule
module MUXCY(output O, input CI, DI, S);
assign O = S ? CI : DI;
endmodule

6
techlibs/xilinx/cells_xtra.sh
View file

@ -28,12 +28,12 @@ function xtract_cell_decl()
# xtract_cell_decl BUFG
xtract_cell_decl BUFGCE
xtract_cell_decl BUFGCE_1
xtract_cell_decl BUFGCTRL
#xtract_cell_decl BUFGCTRL
xtract_cell_decl BUFGMUX
xtract_cell_decl BUFGMUX_1
xtract_cell_decl BUFGMUX_CTRL
xtract_cell_decl BUFH
xtract_cell_decl BUFHCE
#xtract_cell_decl BUFHCE
xtract_cell_decl BUFIO
xtract_cell_decl BUFMR
xtract_cell_decl BUFMRCE
@ -92,7 +92,7 @@ function xtract_cell_decl()
# xtract_cell_decl LUT4
# xtract_cell_decl LUT5
# xtract_cell_decl LUT6
xtract_cell_decl LUT6_2
#xtract_cell_decl LUT6_2
xtract_cell_decl MMCME2_ADV
xtract_cell_decl MMCME2_BASE
# xtract_cell_decl MUXF7

38
techlibs/xilinx/cells_xtra.v
View file

@ -30,29 +30,6 @@ module BUFGCE_1 (...);
input CE, I;
endmodule
module BUFGCTRL (...);
output O;
input CE0;
input CE1;
input I0;
input I1;
input IGNORE0;
input IGNORE1;
input S0;
input S1;
parameter integer INIT_OUT = 0;
parameter PRESELECT_I0 = "FALSE";
parameter PRESELECT_I1 = "FALSE";
parameter [0:0] IS_CE0_INVERTED = 1'b0;
parameter [0:0] IS_CE1_INVERTED = 1'b0;
parameter [0:0] IS_I0_INVERTED = 1'b0;
parameter [0:0] IS_I1_INVERTED = 1'b0;
parameter [0:0] IS_IGNORE0_INVERTED = 1'b0;
parameter [0:0] IS_IGNORE1_INVERTED = 1'b0;
parameter [0:0] IS_S0_INVERTED = 1'b0;
parameter [0:0] IS_S1_INVERTED = 1'b0;
endmodule
module BUFGMUX (...);
parameter CLK_SEL_TYPE = "SYNC";
output O;
@ -77,15 +54,6 @@ module BUFH (...);
input I;
endmodule
module BUFHCE (...);
parameter CE_TYPE = "SYNC";
parameter integer INIT_OUT = 0;
parameter [0:0] IS_CE_INVERTED = 1'b0;
output O;
input CE;
input I;
endmodule
module BUFIO (...);
output O;
input I;
@ -2420,12 +2388,6 @@ module LDPE (...);
input D, G, GE, PRE;
endmodule
module LUT6_2 (...);
parameter [63:0] INIT = 64'h0000000000000000;
input I0, I1, I2, I3, I4, I5;
output O5, O6;
endmodule
module MMCME2_ADV (...);
parameter BANDWIDTH = "OPTIMIZED";
parameter real CLKFBOUT_MULT_F = 5.000;