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author | Keith Rothman <537074+litghost@users.noreply.github.com> | 2019-04-09 09:01:53 -0700 |
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committer | Keith Rothman <537074+litghost@users.noreply.github.com> | 2019-04-09 09:01:53 -0700 |
commit | 5e0339855fc1f83b98694ed37dd2f195c3d8f52c (patch) | |
tree | 7fdea6df82c102f9f337b3fa23efe0f1860e62ca | |
parent | 0deaccbaae436bc94ad5b2913fa39a9368c09ace (diff) | |
download | yosys-5e0339855fc1f83b98694ed37dd2f195c3d8f52c.tar.gz yosys-5e0339855fc1f83b98694ed37dd2f195c3d8f52c.tar.bz2 yosys-5e0339855fc1f83b98694ed37dd2f195c3d8f52c.zip |
Add additional cells sim models for core 7-series primatives.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
-rw-r--r-- | techlibs/xilinx/cells_sim.v | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index ff5ff0726..315fd54c8 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -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 INIT_OUT = 0; +parameter PRESELECT_I0 = 0; +parameter PRESELECT_I1 = 0; +parameter IS_CE0_INVERTED = 0; +parameter IS_CE1_INVERTED = 0; +parameter IS_S0_INVERTED = 0; +parameter IS_S1_INVERTED = 0; +parameter IS_IGNORE0_INVERTED = 0; +parameter IS_IGNORE1_INVERTED = 0; + +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 INIT_OUT = 0; +parameter CE_TYPE = "SYNC"; +parameter IS_CE_INVERTED = 0; + +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 ? s4[15: 8] : s4[ 7: 0]; + wire [ 3: 0] s5_2 = I2 ? s3[ 7: 4] : s3[ 3: 0]; + wire [ 1: 0] s5_1 = I1 ? s2[ 3: 2] : s2[ 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 |