intel_alm: DSP inference

4 files changed, 135 insertions, 0 deletions

diff --git a/techlibs/intel_alm/common/dsp_map.v b/techlibs/intel_alm/common/dsp_map.v
new file mode 100644
index 000000000..d1bc25e65
--- /dev/null
+++ b/techlibs/intel_alm/common/dsp_map.v
@@ -0,0 +1,49 @@
+module __MUL27X27(A, B, Y);
+
+parameter A_SIGNED = 1;
+parameter B_SIGNED = 1;
+parameter A_WIDTH = 27;
+parameter B_WIDTH = 27;
+parameter Y_WIDTH = 54;
+
+input [A_WIDTH-1:0] A;
+input [B_WIDTH-1:0] B;
+output [Y_WIDTH-1:0] Y;
+
+MISTRAL_MUL27X27 _TECHMAP_REPLACE_ (.A(A), .B(B), .Y(Y));
+
+endmodule
+
+
+module __MUL18X18(A, B, Y);
+
+parameter A_SIGNED = 1;
+parameter B_SIGNED = 1;
+parameter A_WIDTH = 18;
+parameter B_WIDTH = 18;
+parameter Y_WIDTH = 36;
+
+input [A_WIDTH-1:0] A;
+input [B_WIDTH-1:0] B;
+output [Y_WIDTH-1:0] Y;
+
+MISTRAL_MUL18X18 _TECHMAP_REPLACE_ (.A(A), .B(B), .Y(Y));
+
+endmodule
+
+
+module __MUL9X9(A, B, Y);
+
+parameter A_SIGNED = 1;
+parameter B_SIGNED = 1;
+parameter A_WIDTH = 9;
+parameter B_WIDTH = 9;
+parameter Y_WIDTH = 18;
+
+input [A_WIDTH-1:0] A;
+input [B_WIDTH-1:0] B;
+output [Y_WIDTH-1:0] Y;
+
+MISTRAL_MUL9X9 _TECHMAP_REPLACE_ (.A(A), .B(B), .Y(Y));
+
+endmodule
diff --git a/techlibs/intel_alm/common/dsp_sim.v b/techlibs/intel_alm/common/dsp_sim.v
new file mode 100644
index 000000000..5dc4c02de
--- /dev/null
+++ b/techlibs/intel_alm/common/dsp_sim.v
@@ -0,0 +1,35 @@
+(* abc9_box *)
+module MISTRAL_MUL27x27(input [26:0] A, input [26:0] B, output [53:0] Y);
+
+specify
+    (A *> Y) = 4057;
+    (B *> Y) = 4057;
+endspecify
+
+assign Y = $signed(A) * $signed(B);
+
+endmodule
+
+(* abc9_box *)
+module MISTRAL_MUL18X18(input [17:0] A, input [17:0] B, output [35:0] Y);
+
+specify
+    (A *> Y) = 4057;
+    (B *> Y) = 4057;
+endspecify
+
+assign Y = $signed(A) * $signed(B);
+
+endmodule
+
+(* abc9_box *)
+module MISTRAL_MUL9X9(input [8:0] A, input [8:0] B, output [17:0] Y);
+
+specify
+    (A *> Y) = 4057;
+    (B *> Y) = 4057;
+endspecify
+
+assign Y = $signed(A) * $signed(B);
+
+endmodule
diff --git a/techlibs/intel_alm/common/megafunction_bb.v b/techlibs/intel_alm/common/megafunction_bb.v
index c749fa70b..b5a3d8892 100644
--- a/techlibs/intel_alm/common/megafunction_bb.v
+++ b/techlibs/intel_alm/common/megafunction_bb.v
@@ -129,3 +129,31 @@ output [data_width-1:0] portbdataout;
 input ena0, clk0, clk1;
 
 endmodule
+
+(* blackbox *)
+module cyclonev_mac(ax, ay, resulta);
+
+parameter ax_width = 9;
+parameter ay_scan_in_width = 9;
+parameter result_a_width = 18;
+parameter operation_mode = "M9x9";
+
+input [ax_width-1:0] ax;
+input [ay_scan_in_width-1:0] ay;
+output [result_a_width-1:0] resulta;
+
+endmodule
+
+(* blackbox *)
+module cyclone10gx_mac(ax, ay, resulta);
+
+parameter ax_width = 18;
+parameter ay_scan_in_width = 18;
+parameter result_a_width = 36;
+parameter operation_mode = "M18X18_FULL";
+
+input [ax_width-1:0] ax;
+input [ay_scan_in_width-1:0] ay;
+output [result_a_width-1:0] resulta;
+
+endmodule
\ No newline at end of file
diff --git a/techlibs/intel_alm/common/quartus_rename.v b/techlibs/intel_alm/common/quartus_rename.v
index c40a4e02d..46ef2aa0d 100644
--- a/techlibs/intel_alm/common/quartus_rename.v
+++ b/techlibs/intel_alm/common/quartus_rename.v
@@ -1,9 +1,11 @@
 `ifdef cyclonev
 `define LCELL cyclonev_lcell_comb
+`define MAC cyclonev_mac
 `define MLAB cyclonev_mlab_cell
 `endif
 `ifdef cyclone10gx
 `define LCELL cyclone10gx_lcell_comb
+`define MAC cyclone10gx_mac
 `define MLAB cyclone10gx_mlab_cell
 `endif
 
@@ -119,3 +121,24 @@ module MISTRAL_MLAB(input [4:0] A1ADDR, input A1DATA, A1EN, CLK1, input [4:0] B1
 );
 
 endmodule
+
+
+module MISTRAL_MUL27X27(input [26:0] A, B, output [53:0] Y);
+
+`MAC #(.ax_width(27), .ay_scan_in_width(27), .result_a_width(54), .operation_mode("M27x27")) _TECHMAP_REPLACE_ (.ax(A), .ay(B), .resulta(Y));
+
+endmodule
+
+
+module MISTRAL_MUL18X18(input [17:0] A, B, output [35:0] Y);
+
+`MAC #(.ax_width(18), .ay_scan_in_width(18), .result_a_width(36), .operation_mode("M18x18_FULL")) _TECHMAP_REPLACE_ (.ax(B), .ay(A), .resulta(Y));
+
+endmodule
+
+
+module MISTRAL_MUL9X9(input [8:0] A, B, output [17:0] Y);
+
+`MAC #(.ax_width(9), .ay_scan_in_width(9), .result_a_width(18), .operation_mode("M9x9")) _TECHMAP_REPLACE_ (.ax(A), .ay(B), .resulta(Y));
+
+endmodule