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Initial Cyclone 10 support

This commit is contained in:
dh73 2017-11-08 22:45:21 -06:00
parent cf8cc50bf5
commit 3fd1d61e2a
5 changed files with 308 additions and 1 deletions
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2
techlibs/intel/Makefile.inc
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@ -8,11 +8,13 @@ $(eval $(call add_share_file,share/intel/common,techlibs/intel/common/brams_map.
$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/cells_sim.v))
$(eval $(call add_share_file,share/intel/a10gx,techlibs/intel/a10gx/cells_sim.v))
$(eval $(call add_share_file,share/intel/cyclonev,techlibs/intel/cyclonev/cells_sim.v))
$(eval $(call add_share_file,share/intel/cyclone10,techlibs/intel/cyclone10/cells_sim.v))
$(eval $(call add_share_file,share/intel/cycloneiv,techlibs/intel/cycloneiv/cells_sim.v))
$(eval $(call add_share_file,share/intel/cycloneive,techlibs/intel/cycloneive/cells_sim.v))
$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/cells_map.v))
$(eval $(call add_share_file,share/intel/a10gx,techlibs/intel/a10gx/cells_map.v))
$(eval $(call add_share_file,share/intel/cyclonev,techlibs/intel/cyclonev/cells_map.v))
$(eval $(call add_share_file,share/intel/cyclone10,techlibs/intel/cyclone10/cells_map.v))
$(eval $(call add_share_file,share/intel/cycloneiv,techlibs/intel/cycloneiv/cells_map.v))
$(eval $(call add_share_file,share/intel/cycloneive,techlibs/intel/cycloneive/cells_map.v))
#$(eval $(call add_share_file,share/intel/max10,techlibs/intel/max10/arith_map.v))

65
techlibs/intel/cyclone10/cells_arith.v Normal file
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@ -0,0 +1,65 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
// NOTE: This is still WIP.
(* techmap_celltype = "$alu" *)
module _80_altera_a10gx_alu (A, B, CI, BI, X, Y, CO);
parameter A_SIGNED = 0;
parameter B_SIGNED = 0;
parameter A_WIDTH = 1;
parameter B_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output [Y_WIDTH-1:0] X, Y;
input CI, BI;
//output [Y_WIDTH-1:0] CO;
output CO;
wire _TECHMAP_FAIL_ = Y_WIDTH <= 4;
wire [Y_WIDTH-1:0] A_buf, B_buf;
\$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf));
\$pos #(.A_SIGNED(B_SIGNED), .A_WIDTH(B_WIDTH), .Y_WIDTH(Y_WIDTH)) B_conv (.A(B), .Y(B_buf));
wire [Y_WIDTH-1:0] AA = A_buf;
wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf;
//wire [Y_WIDTH:0] C = {CO, CI};
wire [Y_WIDTH+1:0] COx;
wire [Y_WIDTH+1:0] C = {COx, CI};
/* Start implementation */
(* keep *) cyclone10lp_lcell_comb #(.lut_mask(16'b0000_0000_1010_1010), .sum_lutc_input("cin")) carry_start (.cout(COx[0]), .dataa(C[0]), .datab(1'b1), .datac(1'b1), .datad(1'b1));
genvar i;
generate for (i = 0; i < Y_WIDTH; i = i + 1) begin: slice
if(i==Y_WIDTH-1) begin
(* keep *) cyclone10lp_lcell_comb #(.lut_mask(16'b1111_0000_1110_0000), .sum_lutc_input("cin")) carry_end (.combout(COx[Y_WIDTH]), .dataa(1'b1), .datab(1'b1), .datac(1'b1), .datad(1'b1), .cin(C[Y_WIDTH]));
assign CO = COx[Y_WIDTH];
end
else
cyclone10lp_lcell_comb #(.lut_mask(16'b1001_0110_1110_1000), .sum_lutc_input("cin")) arith_cell (.combout(Y[i]), .cout(COx[i+1]), .dataa(AA[i]), .datab(BB[i]), .datac(1'b1), .datad(1'b1), .cin(C[i+1]));
end: slice
endgenerate
/* End implementation */
assign X = AA ^ BB;
endmodule

99
techlibs/intel/cyclone10/cells_map.v Normal file
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@ -0,0 +1,99 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
// Normal mode DFF negedge clk, negedge reset
module \$_DFF_N_ (input D, C, output Q);
parameter WYSIWYG="TRUE";
dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(1'b1), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
endmodule
// Normal mode DFF
module \$_DFF_P_ (input D, C, output Q);
parameter WYSIWYG="TRUE";
dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(1'b1), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
endmodule
// Async Active Low Reset DFF
module \$_DFF_PN0_ (input D, C, R, output Q);
parameter WYSIWYG="TRUE";
dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
endmodule
// Async Active High Reset DFF
module \$_DFF_PP0_ (input D, C, R, output Q);
parameter WYSIWYG="TRUE";
wire R_i = ~ R;
dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R_i), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
endmodule
module \$__DFFE_PP0 (input D, C, E, R, output Q);
parameter WYSIWYG="TRUE";
wire E_i = ~ E;
dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(E_i), .sload(1'b0));
endmodule
// Input buffer map
module \$__inpad (input I, output O);
cyclone10lp_io_ibuf _TECHMAP_REPLACE_ (.o(O), .i(I), .ibar(1'b0));
endmodule
// Output buffer map
module \$__outpad (input I, output O);
cyclone10lp_io_obuf _TECHMAP_REPLACE_ (.o(O), .i(I), .oe(1'b1));
endmodule
// LUT Map
/* 0 -> datac
1 -> cin */
module \$lut (A, Y);
parameter WIDTH = 0;
parameter LUT = 0;
input [WIDTH-1:0] A;
output Y;
generate
if (WIDTH == 1) begin
assign Y = ~A[0]; // Not need to spend 1 logic cell for such an easy function
end else
if (WIDTH == 2) begin
cyclone10lp_lcell_comb #(.lut_mask({4{LUT}}),
.sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y),
.dataa(A[0]),
.datab(A[1]),
.datac(1'b1),
.datad(1'b1));
end else
if(WIDTH == 3) begin
cyclone10lp_lcell_comb #(.lut_mask({2{LUT}}),
.sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y),
.dataa(A[0]),
.datab(A[1]),
.datac(A[2]),
.datad(1'b1));
end else
if(WIDTH == 4) begin
cyclone10lp_lcell_comb #(.lut_mask(LUT),
.sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y),
.dataa(A[0]),
.datab(A[1]),
.datac(A[2]),
.datad(A[3]));
end else
wire _TECHMAP_FAIL_ = 1;
endgenerate
endmodule

137
techlibs/intel/cyclone10/cells_sim.v Normal file
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@ -0,0 +1,137 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
module VCC (output V);
assign V = 1'b1;
endmodule // VCC
module GND (output G);
assign G = 1'b0;
endmodule // GND
/* Altera Cyclone 10 LP devices Input Buffer Primitive */
module cyclone10lp_io_ibuf
(output o, input i, input ibar);
assign ibar = ibar;
assign o = i;
endmodule // cyclone10lp_io_ibuf
/* Altera Cyclone 10 LP devices Output Buffer Primitive */
module cyclone10lp_io_obuf
(output o, input i, input oe);
assign o = i;
assign oe = oe;
endmodule // cyclone10lp_io_obuf
/* Altera Cyclone IV (E) 4-input non-fracturable LUT Primitive */
module cyclone10lp_lcell_comb
(output combout, cout,
input dataa, datab, datac, datad, cin);
/* Internal parameters which define the behaviour
of the LUT primitive.
lut_mask define the lut function, can be expressed in 16-digit bin or hex.
sum_lutc_input define the type of LUT (combinational | arithmetic).
dont_touch for retiming || carry options.
lpm_type for WYSIWYG */
parameter lut_mask = 16'hFFFF;
parameter dont_touch = "off";
parameter lpm_type = "cyclone10lp_lcell_comb";
parameter sum_lutc_input = "datac";
reg [1:0] lut_type;
reg cout_rt;
reg combout_rt;
wire dataa_w;
wire datab_w;
wire datac_w;
wire datad_w;
wire cin_w;
assign dataa_w = dataa;
assign datab_w = datab;
assign datac_w = datac;
assign datad_w = datad;
function lut_data;
input [15:0] mask;
input dataa, datab, datac, datad;
reg [7:0] s3;
reg [3:0] s2;
reg [1:0] s1;
begin
s3 = datad ? mask[15:8] : mask[7:0];
s2 = datac ? s3[7:4] : s3[3:0];
s1 = datab ? s2[3:2] : s2[1:0];
lut_data = dataa ? s1[1] : s1[0];
end
endfunction
initial begin
if (sum_lutc_input == "datac") lut_type = 0;
else
if (sum_lutc_input == "cin") lut_type = 1;
else begin
$error("Error in sum_lutc_input. Parameter %s is not a valid value.\n", sum_lutc_input);
$finish();
end
end
always @(dataa_w or datab_w or datac_w or datad_w or cin_w) begin
if (lut_type == 0) begin // logic function
combout_rt = lut_data(lut_mask, dataa_w, datab_w,
datac_w, datad_w);
end
else if (lut_type == 1) begin // arithmetic function
combout_rt = lut_data(lut_mask, dataa_w, datab_w,
cin_w, datad_w);
end
cout_rt = lut_data(lut_mask, dataa_w, datab_w, cin_w, 'b0);
end
assign combout = combout_rt & 1'b1;
assign cout = cout_rt & 1'b1;
endmodule // cyclone10lp_lcell_comb
/* Altera D Flip-Flop Primitive */
module dffeas
(output q,
input d, clk, clrn, prn, ena,
input asdata, aload, sclr, sload);
// Timing simulation is not covered
parameter power_up="dontcare";
parameter is_wysiwyg="false";
reg q_tmp;
wire reset;
reg [7:0] debug_net;
assign reset = (prn && sclr && ~clrn && ena);
assign q = q_tmp & 1'b1;
always @(posedge clk, posedge aload) begin
if(reset) q_tmp <= 0;
else q_tmp <= d;
end
assign q = q_tmp;
endmodule // dffeas

6
techlibs/intel/synth_intel.cc
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@ -127,7 +127,7 @@ struct SynthIntelPass : public ScriptPass {
if (!design->full_selection())
log_cmd_error("This command only operates on fully selected designs!\n");
if (family_opt != "max10" && family_opt !="a10gx" && family_opt != "cyclonev" && family_opt !="cycloneiv" && family_opt !="cycloneive")
if (family_opt != "max10" && family_opt !="a10gx" && family_opt != "cyclonev" && family_opt !="cycloneiv" && family_opt !="cycloneive" && family_opt != "cyclone10")
log_cmd_error("Invalid or not family specified: '%s'\n", family_opt.c_str());
log_header(design, "Executing SYNTH_INTEL pass.\n");
@ -148,6 +148,8 @@ struct SynthIntelPass : public ScriptPass {
run("read_verilog -sv -lib +/intel/a10gx/cells_sim.v");
else if(check_label("family") && family_opt=="cyclonev")
run("read_verilog -sv -lib +/intel/cyclonev/cells_sim.v");
else if(check_label("family") && family_opt=="cyclone10")
run("read_verilog -sv -lib +/intel/cyclone10/cells_sim.v");
else if(check_label("family") && family_opt=="cycloneiv")
run("read_verilog -sv -lib +/intel/cycloneiv/cells_sim.v");
else
@ -211,6 +213,8 @@ struct SynthIntelPass : public ScriptPass {
run("techmap -map +/intel/a10gx/cells_map.v");
else if(family_opt=="cyclonev")
run("techmap -map +/intel/cyclonev/cells_map.v");
else if(family_opt=="cyclone10")
run("techmap -map +/intel/cyclone10/cells_map.v");
else if(family_opt=="cycloneiv")
run("techmap -map +/intel/cycloneiv/cells_map.v");
else