| // SPDX-FileCopyrightText: 2020 Efabless Corporation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| `default_nettype none |
| |
| `timescale 1 ns / 1 ps |
| |
| module openGFX430_tb; |
| reg clk; |
| reg rst; |
| reg stb; |
| reg cyc,we; |
| reg [3:0] sel; |
| reg [31:0] dat_i,adr_i; |
| reg power1, power2; |
| reg power3, power4; |
| wire gpio; |
| //io_out |
| wire [37:0] io_out; |
| wire [31:0] dat_o; |
| wire [37:0] io_eb; |
| //analyser out. |
| wire [127:0] la_data_out; |
| integer i; |
| |
| //assign mprj_io_0 = mprj_io[31:0]; |
| // assign mprj_io_0 = {mprj_io[8:4],mprj_io[2:0]}; |
| |
| //assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz; |
| // assign mprj_io[3] = 1'b1; |
| |
| // External clock is used by default. Make this artificially fast for the |
| // simulation. Normally this would be a slow clock and the digital PLL |
| // would be the fast clock. |
| |
| always #12.5 clk <= (clk === 1'b0); |
| |
| initial begin |
| clk = 0; |
| end |
| |
| |
| `ifdef ENABLE_SDF |
| initial begin |
| $sdf_annotate("../../../sdf/user_proj_example.sdf", uut.mprj) ; |
| $sdf_annotate("../../../sdf/user_project_wrapper.sdf", uut.mprj.mprj) ; |
| $sdf_annotate("../../../mgmt_core_wrapper/sdf/DFFRAM.sdf", uut.soc.DFFRAM_0) ; |
| $sdf_annotate("../../../mgmt_core_wrapper/sdf/mgmt_core.sdf", uut.soc.core) ; |
| $sdf_annotate("../../../caravel/sdf/housekeeping.sdf", uut.housekeeping) ; |
| $sdf_annotate("../../../caravel/sdf/chip_io.sdf", uut.padframe) ; |
| $sdf_annotate("../../../caravel/sdf/mprj_logic_high.sdf", uut.mgmt_buffers.mprj_logic_high_inst) ; |
| $sdf_annotate("../../../caravel/sdf/mprj2_logic_high.sdf", uut.mgmt_buffers.mprj2_logic_high_inst) ; |
| $sdf_annotate("../../../caravel/sdf/mgmt_protect_hv.sdf", uut.mgmt_buffers.powergood_check) ; |
| $sdf_annotate("../../../caravel/sdf/mgmt_protect.sdf", uut.mgmt_buffers) ; |
| $sdf_annotate("../../../caravel/sdf/caravel_clocking.sdf", uut.clocking) ; |
| $sdf_annotate("../../../caravel/sdf/digital_pll.sdf", uut.pll) ; |
| $sdf_annotate("../../../caravel/sdf/xres_buf.sdf", uut.rstb_level) ; |
| $sdf_annotate("../../../caravel/sdf/user_id_programming.sdf", uut.user_id_value) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_bidir_1[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_bidir_1[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_bidir_2[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_bidir_2[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_bidir_2[2] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[2] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[3] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[4] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[5] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[6] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[7] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[8] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[9] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1[10] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[2] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[3] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[4] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_1a[5] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[2] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[3] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[4] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[5] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[6] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[7] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[8] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[9] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[10] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[11] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[12] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[13] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[14] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_control_block.sdf", uut.\gpio_control_in_2[15] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.\gpio_defaults_block_0[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.\gpio_defaults_block_0[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.\gpio_defaults_block_2[0] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.\gpio_defaults_block_2[1] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.\gpio_defaults_block_2[2] ) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_5) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_6) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_7) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_8) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_9) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_10) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_11) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_12) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_13) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_14) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_15) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_16) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_17) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_18) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_19) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_20) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_21) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_22) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_23) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_24) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_25) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_26) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_27) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_28) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_29) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_30) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_31) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_32) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_33) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_34) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_35) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_36) ; |
| $sdf_annotate("../../../caravel/sdf/gpio_defaults_block.sdf", uut.gpio_defaults_block_37) ; |
| end |
| `endif |
| |
| initial begin |
| $dumpfile("openGFX430.vcd"); |
| $dumpvars(0, openGFX430_tb); |
| |
| // Repeat cycles of 1000 clock edges as needed to complete testbench |
| repeat (25) begin |
| repeat (20000) @(posedge clk); |
| // $display("+1000 cycles"); |
| end |
| $display("%c[1;31m",27); |
| `ifdef GL |
| $display ("Monitor: Timeout, Test Mega-Project IO Ports (GL) Failed"); |
| `else |
| $display ("Monitor: Timeout, Test Mega-Project IO Ports (RTL) Failed"); |
| `endif |
| $display("%c[0m",27); |
| $finish; |
| end |
| |
| initial begin |
| // Observe Output pins [7:0] |
| wait(io_out == 32'h00000000); |
| wait(io_out == 32'h000a0000); |
| wait(io_out == 32'h00140000); |
| wait(io_out == 32'h001e0000); |
| wait(io_out == 32'h00280000); |
| wait(io_out == 32'h00320000); |
| wait(io_out == 32'h003c0000); |
| wait(io_out == 32'h00460000); |
| wait(io_out == 32'h00500000); |
| wait(io_out == 32'h005a0000); |
| wait(io_out == 32'h00640000); |
| wait(io_out == 32'h006e0000); |
| wait(io_out == 32'h00780000); |
| wait(io_out == 32'h00820000); |
| wait(io_out == 32'h008c0000); |
| wait(io_out == 32'h00960000); |
| wait(io_out == 32'h00a00000); |
| wait(io_out == 32'h00aa0000); |
| |
| `ifdef GL |
| $display("Monitor: Test 1 Mega-Project IO (GL) Passed"); |
| `else |
| $display("Monitor: Test 1 Mega-Project IO (RTL) Passed"); |
| `endif |
| $finish; |
| end |
| |
| |
| initial begin |
| rst = 1'b1; |
| //CSB <= 1'b1; // Force CSB high |
| #500; |
| rst = 1'b0; |
| cyc = 1; |
| we = 1; |
| sel = 1; |
| stb = 1; |
| for (i=0;i<100;i=i+1) begin |
| adr_i = 14'h0100; |
| dat_i = i*10; |
| #50; |
| we = 0; |
| sel = 0; |
| #50; |
| we = 1; |
| end |
| |
| //RSTB <= 1'b1; // Release reset |
| #3_00_000; |
| end |
| |
| initial begin // Power-up sequence |
| power1 = 1'b0; |
| power2 = 1'b0; |
| power3 = 1'b0; |
| power4 = 1'b0; |
| #100; |
| power1 = 1'b1; |
| #100; |
| power2 = 1'b1; |
| #100; |
| power3 = 1'b1; |
| #100; |
| power4 = 1'b1; |
| end |
| |
| always @(io_out) begin |
| #1 $display("MPRJ-IO state = %h ", io_out[31:0]); |
| end |
| |
| wire flash_csb; |
| wire flash_clk; |
| wire flash_io0; |
| wire flash_io1; |
| |
| wire VDD3V3; |
| wire VDD1V8; |
| wire VSS; |
| |
| assign VDD3V3 = power1; |
| assign VDD1V8 = power2; |
| assign VSS = 1'b0; |
| |
| user_project_wrapper uut ( |
| `ifdef USE_POWER_PINS |
| .vdda1 (VDD3V3), |
| .vdda2 (VDD3V3), |
| .vssa1 (VSS), |
| .vssa2 (VSS), |
| .vccd1 (VDD1V8), |
| .vccd2 (VDD1V8), |
| .vssd1 (VSS), |
| .vssd2 (VSS), |
| `endif |
| .wb_clk_i(clk), |
| .wb_rst_i(rst), |
| .wbs_stb_i(stb), |
| .wbs_cyc_i(cyc), |
| .wbs_we_i(we), |
| .wbs_sel_i(sel), |
| .wbs_dat_i(dat_i), |
| .wbs_adr_i(adr_i), |
| .wbs_dat_o(dat_o), |
| .la_data_out(la_data_out), |
| .io_out(io_out), |
| .io_oeb(io_eb) |
| ); |
| |
| endmodule |
| `default_nettype wire |
| |
