mirror of https://github.com/lnis-uofu/SOFA.git
[HDL] Update wrapper generator to use tri-state buffer for outputs
This commit is contained in:
tangxifan
parent
dde0656968
commit
6fa5e935fa
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@ -68,6 +68,12 @@ module fpga_top (
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// Switch between wishbone and logic analyzer
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wire wb_la_switch;
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wire wb_la_switch_b;
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// Inverted switch signal to drive tri-state buffers
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// Use drive strength 8 as we will have 33 output pins which is driven by
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// the buffers
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sky130_fd_sc_hd__inv_8 WB_LA_SWITCH_INV (.A(la_wb_switch), .Y(la_wb_switch_b));
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// Wire-bond TOP side I/O of FPGA to LEFT-side of Caravel interface
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[0] = io_in[24];
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@ -109,7 +115,8 @@ module fpga_top (
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sky130_fd_sc_hd__mux2_1 FPGA2SOC_IN_135_MUX (.S(la_wb_switch), .A1(wb_rst_i), .A0(la_data_in[13]), .X(gfpga_pad_EMBEDDED_IO_HD_SOC_IN[135]));
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assign la_data_out[13] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[135];
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[134] = la_data_in[14];
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assign wbs_ack_o = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[134];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_134_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[134]), .Z(wbs_ack_o));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_134_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[134]), .Z(la_data_out[14]));
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sky130_fd_sc_hd__mux2_1 FPGA2SOC_IN_133_MUX (.S(la_wb_switch), .A1(wbs_cyc_i), .A0(la_data_in[15]), .X(gfpga_pad_EMBEDDED_IO_HD_SOC_IN[133]));
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assign la_data_out[15] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[133];
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sky130_fd_sc_hd__mux2_1 FPGA2SOC_IN_132_MUX (.S(la_wb_switch), .A1(wbs_stb_i), .A0(la_data_in[16]), .X(gfpga_pad_EMBEDDED_IO_HD_SOC_IN[132]));
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@ -253,69 +260,101 @@ module fpga_top (
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sky130_fd_sc_hd__mux2_1 FPGA2SOC_IN_63_MUX (.S(la_wb_switch), .A1(wbs_dat_i[31]), .A0(la_data_in[85]), .X(gfpga_pad_EMBEDDED_IO_HD_SOC_IN[63]));
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assign la_data_out[85] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[63];
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[62] = la_data_in[86];
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assign wbs_dat_o[0] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[62];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_62_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[62]), .Z(wbs_dat_o[0]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_62_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[62]), .Z(la_data_out[86]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[61] = la_data_in[87];
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assign wbs_dat_o[1] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[61];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_61_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[61]), .Z(wbs_dat_o[1]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_61_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[61]), .Z(la_data_out[87]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[60] = la_data_in[88];
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assign wbs_dat_o[2] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[60];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_60_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[60]), .Z(wbs_dat_o[2]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_60_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[60]), .Z(la_data_out[88]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[59] = la_data_in[89];
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assign wbs_dat_o[3] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[59];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_59_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[59]), .Z(wbs_dat_o[3]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_59_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[59]), .Z(la_data_out[89]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[58] = la_data_in[90];
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assign wbs_dat_o[4] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[58];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_58_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[58]), .Z(wbs_dat_o[4]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_58_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[58]), .Z(la_data_out[90]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[57] = la_data_in[91];
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assign wbs_dat_o[5] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[57];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_57_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[57]), .Z(wbs_dat_o[5]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_57_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[57]), .Z(la_data_out[91]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[56] = la_data_in[92];
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assign wbs_dat_o[6] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[56];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_56_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[56]), .Z(wbs_dat_o[6]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_56_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[56]), .Z(la_data_out[92]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[55] = la_data_in[93];
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assign wbs_dat_o[7] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[55];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_55_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[55]), .Z(wbs_dat_o[7]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_55_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[55]), .Z(la_data_out[93]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[54] = la_data_in[94];
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assign wbs_dat_o[8] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[54];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_54_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[54]), .Z(wbs_dat_o[8]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_54_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[54]), .Z(la_data_out[94]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[53] = la_data_in[95];
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assign wbs_dat_o[9] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[53];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_53_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[53]), .Z(wbs_dat_o[9]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_53_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[53]), .Z(la_data_out[95]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[52] = la_data_in[96];
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assign wbs_dat_o[10] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[52];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_52_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[52]), .Z(wbs_dat_o[10]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_52_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[52]), .Z(la_data_out[96]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[51] = la_data_in[97];
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assign wbs_dat_o[11] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[51];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_51_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[51]), .Z(wbs_dat_o[11]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_51_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[51]), .Z(la_data_out[97]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[50] = la_data_in[98];
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assign wbs_dat_o[12] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[50];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_50_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[50]), .Z(wbs_dat_o[12]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_50_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[50]), .Z(la_data_out[98]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[49] = la_data_in[99];
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assign wbs_dat_o[13] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[49];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_49_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[49]), .Z(wbs_dat_o[13]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_49_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[49]), .Z(la_data_out[99]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[48] = la_data_in[100];
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assign wbs_dat_o[14] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[48];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_48_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[48]), .Z(wbs_dat_o[14]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_48_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[48]), .Z(la_data_out[100]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[47] = la_data_in[101];
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assign wbs_dat_o[15] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[47];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_47_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[47]), .Z(wbs_dat_o[15]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_47_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[47]), .Z(la_data_out[101]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[46] = la_data_in[102];
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assign wbs_dat_o[16] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[46];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_46_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[46]), .Z(wbs_dat_o[16]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_46_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[46]), .Z(la_data_out[102]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[45] = la_data_in[103];
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assign wbs_dat_o[17] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[45];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_45_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[45]), .Z(wbs_dat_o[17]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_45_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[45]), .Z(la_data_out[103]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[44] = la_data_in[104];
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assign wbs_dat_o[18] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[44];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_44_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[44]), .Z(wbs_dat_o[18]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_44_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[44]), .Z(la_data_out[104]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[43] = la_data_in[105];
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assign wbs_dat_o[19] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[43];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_43_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[43]), .Z(wbs_dat_o[19]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_43_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[43]), .Z(la_data_out[105]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[42] = la_data_in[106];
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assign wbs_dat_o[20] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[42];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_42_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[42]), .Z(wbs_dat_o[20]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_42_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[42]), .Z(la_data_out[106]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[41] = la_data_in[107];
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assign wbs_dat_o[21] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[41];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_41_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[41]), .Z(wbs_dat_o[21]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_41_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[41]), .Z(la_data_out[107]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[40] = la_data_in[108];
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assign wbs_dat_o[22] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[40];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_40_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[40]), .Z(wbs_dat_o[22]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_40_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[40]), .Z(la_data_out[108]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[39] = la_data_in[109];
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assign wbs_dat_o[23] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[39];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_39_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[39]), .Z(wbs_dat_o[23]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_39_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[39]), .Z(la_data_out[109]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[38] = la_data_in[110];
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assign wbs_dat_o[24] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[38];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_38_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[38]), .Z(wbs_dat_o[24]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_38_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[38]), .Z(la_data_out[110]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[37] = la_data_in[111];
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assign wbs_dat_o[25] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[37];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_37_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[37]), .Z(wbs_dat_o[25]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_37_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[37]), .Z(la_data_out[111]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[36] = la_data_in[112];
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assign wbs_dat_o[26] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[36];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_36_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[36]), .Z(wbs_dat_o[26]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_36_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[36]), .Z(la_data_out[112]));
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assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[35] = la_data_in[113];
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assign wbs_dat_o[27] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[35];
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_35_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[35]), .Z(wbs_dat_o[27]));
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sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_35_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[35]), .Z(la_data_out[113]));
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||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[34] = la_data_in[114];
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||||
assign wbs_dat_o[28] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[34];
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||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_34_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[34]), .Z(wbs_dat_o[28]));
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_34_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[34]), .Z(la_data_out[114]));
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[33] = la_data_in[115];
|
||||
assign wbs_dat_o[29] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[33];
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||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_33_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[33]), .Z(wbs_dat_o[29]));
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_33_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[33]), .Z(la_data_out[115]));
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[32] = la_data_in[116];
|
||||
assign wbs_dat_o[30] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[32];
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_32_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[32]), .Z(wbs_dat_o[30]));
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_32_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[32]), .Z(la_data_out[116]));
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[31] = la_data_in[117];
|
||||
assign wbs_dat_o[31] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[31];
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_31_DEMUX_WB (.TE_B(la_wb_switch_b), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[31]), .Z(wbs_dat_o[31]));
|
||||
sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_31_DEMUX_LA (.TE_B(la_wb_switch), .A(gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[31]), .Z(la_data_out[117]));
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[30] = la_data_in[118];
|
||||
assign la_data_out[118] = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[30];
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[29] = la_data_in[119];
|
||||
|
|
|
|||
|
|
@ -68,6 +68,12 @@ module fpga_top (
|
|||
|
||||
// Switch between wishbone and logic analyzer
|
||||
wire wb_la_switch;
|
||||
wire wb_la_switch_b;
|
||||
|
||||
// Inverted switch signal to drive tri-state buffers
|
||||
// Use drive strength 8 as we will have 33 output pins which is driven by
|
||||
// the buffers
|
||||
sky130_fd_sc_hd__inv_8 WB_LA_SWITCH_INV (.A(la_wb_switch), .Y(la_wb_switch_b));
|
||||
|
||||
// Wire-bond TOP side I/O of FPGA to LEFT-side of Caravel interface
|
||||
assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[0] = io_in[24];
|
||||
|
|
|
|||
|
|
@ -1,8 +1,9 @@
|
|||
#####################################################################
|
||||
# Python script to adapt an OpenFPGA architecture file
|
||||
# Python script generate Verilog codes for the Caravel wrapper
|
||||
# which interface the FPGA fabric and other SoC components
|
||||
# This script will
|
||||
# - Convert the ${SKYWATER_OPENFPGA_HOME} to the absolute path of current directory
|
||||
#
|
||||
# - generate the Verilog codes to connect FPGA inputs to Wishbone and Logic analyzer
|
||||
# - generate the Verilog codes to connect FPGA outputs to Wishbone and Logic analyzer
|
||||
#####################################################################
|
||||
|
||||
import os
|
||||
|
|
@ -73,25 +74,58 @@ for ipin in range(0, num_gpio_pins):
|
|||
# If this is an input pin of wishbone interface, whose postfix is '_i', we use MUX
|
||||
# otherwise, this is an output pin, we just wire the input to logic analyzer
|
||||
if ((wishbone_pins[ipin].endswith("_i")) or (re.search(r'_i\[\d+\]$', wishbone_pins[ipin], re.M | re.I))):
|
||||
##############################################################
|
||||
# SOC INPUT will be directly driven by either
|
||||
# - the Wishbone input
|
||||
# or
|
||||
# - the logic analyzer input
|
||||
# through a multiplexer controlled by the signal 'la_wb_switch
|
||||
curr_line = " " + "sky130_fd_sc_hd__mux2_1 FPGA2SOC_IN_" + str(135 - ipin) + "_MUX (.S(la_wb_switch), .A1(" + str(
|
||||
wishbone_pins[ipin]) + "), .A0(" + str(logic_analyzer_pins[ipin][0]) + "), .X(gfpga_pad_EMBEDDED_IO_HD_SOC_IN[" + str(135 - ipin) + "]));"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
##############################################################
|
||||
# SOC OUTPUT will drive an output of logic analyzer
|
||||
# since this I/O is going to interface a Wishbone input only
|
||||
curr_line = " " + "assign " + \
|
||||
str(logic_analyzer_pins[ipin][1]) + \
|
||||
" = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[" + str(135 - ipin) + "];"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
elif ((wishbone_pins[ipin].endswith("_o")) or (re.search(r'_o\[\d+\]$', wishbone_pins[ipin], re.M | re.I))):
|
||||
##############################################################
|
||||
# SOC INPUT will be directly driven by logic analyzer
|
||||
# since this I/O is going to interface a Wishbone output only
|
||||
curr_line = " " + "assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[" + str(
|
||||
135 - ipin) + "] = " + str(logic_analyzer_pins[ipin][0]) + ";"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
curr_line = " " + "assign " + \
|
||||
str(wishbone_pins[ipin]) + \
|
||||
" = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[" + str(135 - ipin) + "];"
|
||||
##############################################################
|
||||
# SOC OUTPUT will drive the Wishbone output through a tri-state buffer
|
||||
# As the buffer is enabled by logic '0', we use the inverted 'la_wb_switch'
|
||||
curr_line = " " + "sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_" + str(135 - ipin) + "_DEMUX_WB (" + \
|
||||
".TE_B(la_wb_switch_b), " + \
|
||||
".A(" + "gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[" + str(135 - ipin) + "]), " + \
|
||||
".Z(" + str(wishbone_pins[ipin]) + ")" + \
|
||||
");"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
##############################################################
|
||||
# SOC OUTPUT will also drive the Logic Analyzer output through a tri-state buffer
|
||||
# As the buffer is enabled by logic '0', we use the 'la_wb_switch'
|
||||
curr_line = " " + "sky130_fd_sc_hd__ebufn_4 FPGA2SOC_OUT_" + str(135 - ipin) + "_DEMUX_LA (" + \
|
||||
".TE_B(la_wb_switch), " + \
|
||||
".A(" + "gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[" + str(135 - ipin) + "]), " + \
|
||||
".Z(" + str(logic_analyzer_pins[ipin][1]) + ")" + \
|
||||
");"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
|
||||
elif ((ipin >= num_wishbone_pins) and (ipin < num_logic_analyzer_pins)):
|
||||
##############################################################
|
||||
# SOC INPUT will be directly driven by logic analyzer
|
||||
# since this I/O is going to interface logic analyzer input only
|
||||
curr_line = " " + "assign gfpga_pad_EMBEDDED_IO_HD_SOC_IN[" + str(
|
||||
135 - ipin) + "] = " + str(logic_analyzer_pins[ipin][0]) + ";"
|
||||
netlist_lines.append(curr_line + "\n")
|
||||
##############################################################
|
||||
# SOC OUTPUT will directly drive logic analyzer
|
||||
# since this I/O is going to interface logic analyzer output only
|
||||
curr_line = " " + "assign " + \
|
||||
str(logic_analyzer_pins[ipin][1]) + \
|
||||
" = gfpga_pad_EMBEDDED_IO_HD_SOC_OUT[" + str(135 - ipin) + "];"
|
||||
|
|
|
|||
Loading…
Reference in New Issue