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quicklogic: Complete DSPv2 flow

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Martin Povišer 2025-03-11 16:37:43 +01:00
parent 0d484818a7
commit 4f2a06f55a
2 changed files with 145 additions and 0 deletions
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142
techlibs/quicklogic/qlf_k6n10f/dspv2_final_map.v Normal file
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@ -0,0 +1,142 @@
// Derived from dspv2_sim.v
module dspv2_32x18x64_cfg_ports (
input wire [31:0] a_i,
input wire [17:0] b_i,
input wire [17:0] c_i,
output wire [49:0] z_o,
input wire clock_i,
input wire reset_i,
input wire acc_reset_i,
input wire [ 2:0] feedback_i,
input wire load_acc_i,
input wire [ 2:0] output_select_i,
input wire [31:0] a_cin_i,
input wire [17:0] b_cin_i,
input wire [49:0] z_cin_i,
output wire [31:0] a_cout_o,
output wire [17:0] b_cout_o,
output wire [49:0] z_cout_o
);
parameter [31:0] COEFF_0 = 32'h0;
parameter [5:0] ACC_FIR = 6'h0;
parameter [2:0] ROUND = 3'h0;
parameter [4:0] ZC_SHIFT = 5'h0;
parameter [4:0] ZREG_SHIFT = 5'h0;
parameter [5:0] SHIFT_REG = 6'h0;
parameter SATURATE = 1'b0;
parameter SUBTRACT = 1'b0;
parameter PRE_ADD = 1'b0;
parameter A_SEL = 1'b0;
parameter A_REG = 1'b0;
parameter B_SEL = 1'b0;
parameter B_REG = 1'b0;
parameter C_REG = 1'b0;
parameter BC_REG = 1'b0;
parameter M_REG = 1'b0;
parameter ZCIN_REG = 1'b0;
parameter FRAC_MODE = 1'b0; // 32x18x64 DSP
(* is_inferred *)
QL_DSPV2 #(
.MODE_BITS({FRAC_MODE,3'b000,ZCIN_REG,M_REG,BC_REG,C_REG,B_REG,B_SEL,A_REG,A_SEL,PRE_ADD,SUBTRACT,SATURATE,SHIFT_REG,ZREG_SHIFT,ZC_SHIFT,ROUND,ACC_FIR,COEFF_0})
) _TECHMAP_REPLACE_ (
.a(a_i),
.b(b_i),
.c(c_i),
.load_acc(load_acc_i),
.feedback(feedback_i),
.output_select(output_select_i),
.z(z_o),
.clk(clock_i),
.reset(reset_i),
.acc_reset(acc_reset_i),
.a_cin(a_cin_i),
.b_cin(b_cin_i),
.z_cin(z_cin_i),
.z_cout(z_cout_o),
.a_cout(a_cout_o),
.b_cout(b_cout_o)
);
endmodule
module dspv2_16x9x32_cfg_ports (
input wire [15:0] a_i,
input wire [8:0] b_i,
input wire [8:0] c_i,
output wire [24:0] z_o,
input wire clock_i,
input wire reset_i,
input wire acc_reset_i,
input wire [ 2:0] feedback_i,
input wire load_acc_i,
input wire [ 2:0] output_select_i,
input wire [15:0] a_cin_i,
input wire [8:0] b_cin_i,
input wire [24:0] z_cin_i,
output wire [15:0] a_cout_o,
output wire [8:0] b_cout_o,
output wire [24:0] z_cout_o
);
parameter [15:0] COEFF_0 = 16'h0;
parameter [5:0] ACC_FIR = 6'h0;
parameter [2:0] ROUND = 3'h0;
parameter [4:0] ZC_SHIFT = 5'h0;
parameter [4:0] ZREG_SHIFT = 5'h0;
parameter [5:0] SHIFT_REG = 6'h0;
parameter SATURATE = 1'b0;
parameter SUBTRACT = 1'b0;
parameter PRE_ADD = 1'b0;
parameter A_SEL = 1'b0;
parameter A_REG = 1'b0;
parameter B_SEL = 1'b0;
parameter B_REG = 1'b0;
parameter C_REG = 1'b0;
parameter BC_REG = 1'b0;
parameter M_REG = 1'b0;
parameter ZCIN_REG = 1'b0;
parameter FRAC_MODE = 1'b1; // 16x9x32 DSP
(* is_inferred *)
QL_DSPV2 #(
.MODE_BITS({FRAC_MODE,3'b000,ZCIN_REG,M_REG,BC_REG,C_REG,B_REG,B_SEL,A_REG,A_SEL,PRE_ADD,SUBTRACT,SATURATE,SHIFT_REG,ZREG_SHIFT,ZC_SHIFT,ROUND,ACC_FIR,16'h0,COEFF_0})
) _TECHMAP_REPLACE_ (
.a(a_i),
.b(b_i),
.c(c_i),
.load_acc(load_acc_i),
.feedback(feedback_i),
.output_select(output_select_i),
.z(z_o),
.clk(clock_i),
.reset(reset_i),
.acc_reset(acc_reset_i),
.a_cin(a_cin_i),
.b_cin(b_cin_i),
.z_cin(z_cin_i),
.z_cout(z_cout_o),
.a_cout(a_cout_o),
.b_cout(b_cout_o)
);
endmodule

3
techlibs/quicklogic/synth_quicklogic.cc
View file

@ -266,6 +266,9 @@ struct SynthQuickLogicPass : public ScriptPass {
"-D DSP_A_MAXWIDTH=16 -D DSP_B_MAXWIDTH=9 -D DSP_A_MINWIDTH=4 -D DSP_B_MINWIDTH=4 -D DSP_NAME=$__MUL16X9");
run("chtype -set $mul t:$__soft_mul");
run("ql_dsp");
run("ql_dsp_simd -dspv2");
run("techmap -map " + lib_path + family + "/dspv2_final_map.v");
run("ql_dsp_io_regs -dspv2");
} else {
log_assert(false);
}