diff options
Diffstat (limited to 'techlibs/greenpak4')
| -rw-r--r-- | techlibs/greenpak4/Makefile.inc | 1 | ||||
| -rw-r--r-- | techlibs/greenpak4/cells_map.v | 20 | ||||
| -rw-r--r-- | techlibs/greenpak4/cells_sim.v | 8 | ||||
| -rw-r--r-- | techlibs/greenpak4/gp_dff.lib | 26 | ||||
| -rw-r--r-- | techlibs/greenpak4/synth_greenpak4.cc | 4 |
5 files changed, 50 insertions, 9 deletions
diff --git a/techlibs/greenpak4/Makefile.inc b/techlibs/greenpak4/Makefile.inc index 39e385d1..5808e7bd 100644 --- a/techlibs/greenpak4/Makefile.inc +++ b/techlibs/greenpak4/Makefile.inc @@ -3,3 +3,4 @@ OBJS += techlibs/greenpak4/synth_greenpak4.o $(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/cells_map.v)) $(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/cells_sim.v)) +$(eval $(call add_share_file,share/greenpak4,techlibs/greenpak4/gp_dff.lib)) diff --git a/techlibs/greenpak4/cells_map.v b/techlibs/greenpak4/cells_map.v index 97668743..667d853d 100644 --- a/techlibs/greenpak4/cells_map.v +++ b/techlibs/greenpak4/cells_map.v @@ -1,5 +1,5 @@ module \$_DFF_P_ (input D, C, output Q); - DFF _TECHMAP_REPLACE_ ( + GP_DFF _TECHMAP_REPLACE_ ( .D(D), .Q(Q), .CLK(C), @@ -8,6 +8,16 @@ module \$_DFF_P_ (input D, C, output Q); ); endmodule +module \$_DFFSR_PNN_ (input C, S, R, D, output Q); + GP_DFF _TECHMAP_REPLACE_ ( + .D(D), + .Q(Q), + .CLK(C), + .nRSTZ(R), + .nSETZ(S) + ); +endmodule + module \$lut (A, Y); parameter WIDTH = 0; parameter LUT = 0; @@ -17,19 +27,19 @@ module \$lut (A, Y); generate if (WIDTH == 1) begin - LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + GP_2LUT #(.INIT({2'b00, LUT})) _TECHMAP_REPLACE_ (.OUT(Y), .IN0(A[0]), .IN1(1'b0)); end else if (WIDTH == 2) begin - LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + GP_2LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), .IN0(A[0]), .IN1(A[1])); end else if (WIDTH == 3) begin - LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + GP_3LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), .IN0(A[0]), .IN1(A[1]), .IN2(A[2])); end else if (WIDTH == 4) begin - LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + GP_4LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), .IN0(A[0]), .IN1(A[1]), .IN2(A[2]), .IN3(A[3])); end else begin wire _TECHMAP_FAIL_ = 1; diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v index 6bcbda8e..d9ddaacc 100644 --- a/techlibs/greenpak4/cells_sim.v +++ b/techlibs/greenpak4/cells_sim.v @@ -1,4 +1,4 @@ -module DFF(input D, CLK, nRSTZ, nSETZ, output reg Q); +module GP_DFF(input D, CLK, nRSTZ, nSETZ, output reg Q); always @(posedge CLK, negedge nRSTZ, negedge nSETZ) begin if (!nRSTZ) Q <= 1'b0; @@ -9,17 +9,17 @@ module DFF(input D, CLK, nRSTZ, nSETZ, output reg Q); end endmodule -module LUT2(input IN0, IN1, output OUT); +module GP_2LUT(input IN0, IN1, output OUT); parameter [3:0] INIT = 0; assign OUT = INIT[{IN1, IN0}]; endmodule -module LUT3(input IN0, IN1, IN2, output OUT); +module GP_3LUT(input IN0, IN1, IN2, output OUT); parameter [7:0] INIT = 0; assign OUT = INIT[{IN2, IN1, IN0}]; endmodule -module LUT4(input IN0, IN1, IN2, IN3, output OUT); +module GP_4LUT(input IN0, IN1, IN2, IN3, output OUT); parameter [15:0] INIT = 0; assign OUT = INIT[{IN3, IN2, IN1, IN0}]; endmodule diff --git a/techlibs/greenpak4/gp_dff.lib b/techlibs/greenpak4/gp_dff.lib new file mode 100644 index 00000000..9e2e46cb --- /dev/null +++ b/techlibs/greenpak4/gp_dff.lib @@ -0,0 +1,26 @@ +library(gp_dff) { + cell(GP_DFF_NOSR) { + area: 1; + ff("IQ", "IQN") { clocked_on: CLK; + next_state: D; } + pin(CLK) { direction: input; + clock: true; } + pin(D) { direction: input; } + pin(Q) { direction: output; + function: "IQ"; } + } + cell(GP_DFF_SR) { + area: 1; + ff("IQ", "IQN") { clocked_on: CLK; + next_state: D; + preset: "nSETZ'"; + clear: "nRSTZ'"; } + pin(CLK) { direction: input; + clock: true; } + pin(D) { direction: input; } + pin(Q) { direction: output; + function: "IQ"; } + pin(nRSTZ) { direction: input; } + pin(nSETZ) { direction: input; } + } +} diff --git a/techlibs/greenpak4/synth_greenpak4.cc b/techlibs/greenpak4/synth_greenpak4.cc index 4de08eb8..8b88667c 100644 --- a/techlibs/greenpak4/synth_greenpak4.cc +++ b/techlibs/greenpak4/synth_greenpak4.cc @@ -86,6 +86,8 @@ struct SynthGreenPAK4Pass : public Pass { log(" memory_map\n"); log(" opt -undriven -fine\n"); log(" techmap\n"); + log(" dfflibmap -prepare -liberty +/greenpak4/gp_dff.lib\n"); + log(" opt -fast\n"); log(" abc -dff (only if -retime)\n"); log("\n"); log(" map_luts:\n"); @@ -187,6 +189,8 @@ struct SynthGreenPAK4Pass : public Pass { Pass::call(design, "memory_map"); Pass::call(design, "opt -undriven -fine"); Pass::call(design, "techmap"); + Pass::call(design, "dfflibmap -prepare -liberty +/greenpak4/gp_dff.lib"); + Pass::call(design, "opt -fast"); if (retime) Pass::call(design, "abc -dff"); } |