// 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 wire `timescale 1 ns / 1 ps module mprj_stimulus_tb; // Signals declaration reg clock; reg RSTB; reg power1, power2; reg CSB; wire gpio; wire [37:0] mprj_io; wire [15:0] checkbits; reg [7:0] checkbits_temp; wire [3:0] status; // Signals Assignment assign checkbits = mprj_io[31:16]; assign status = mprj_io[35:32]; assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz; always #12.5 clock <= (clock === 1'b0); initial begin clock = 0; end `ifdef ENABLE_SDF initial begin $sdf_annotate("../../../sdf/user_proj_example.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("mprj_stimulus.vcd"); $dumpvars(0, mprj_stimulus_tb); // Repeat cycles of 1000 clock edges as needed to complete testbench repeat (100) begin repeat (1000) @(posedge clock); end $display("%c[1;31m",27); `ifdef GL $display ("Monitor: Timeout, Test Project IO Stimulus (GL) Failed"); `else $display ("Monitor: Timeout, Test Project IO Stimulus (RTL) Failed"); `endif $display("%c[0m",27); $finish; end initial begin wait(checkbits == 16'hAB40); $display("Monitor: mprj_stimulus test started"); wait(status == 4'ha); wait(status == 4'h5); // Values reflect copying user-controlled outputs to memory and back // to management-controlled outputs. wait(status == 4'ha); checkbits_temp = checkbits; // store counter value $display("first value = %h",checkbits_temp); wait(status == 4'h5); $display("second value = %h",checkbits[7:0]); if ( checkbits[7:0] == checkbits_temp) begin $display ("Error: counter value doesn't change"); $finish; end wait(checkbits == 16'hAB51); $display("Monitor: mprj_stimulus test Passed"); #10000; $finish; end // Reset Operation initial begin CSB <= 1'b1; RSTB <= 1'b0; #2000; RSTB <= 1'b1; // Release reset #1_300_000; CSB <= 1'b0; // Stop driving CSB end initial begin // Power-up sequence power1 <= 1'b0; power2 <= 1'b0; #200; power1 <= 1'b1; #200; power2 <= 1'b1; end wire flash_csb; wire flash_clk; wire flash_io0; wire flash_io1; wire VDD3V3 = power1; wire VDD1V8 = power2; wire VSS = 1'b0; caravel uut ( .vddio (VDD3V3), .vddio_2 (VDD3V3), .vssio (VSS), .vssio_2 (VSS), .vdda (VDD3V3), .vssa (VSS), .vccd (VDD1V8), .vssd (VSS), .vdda1 (VDD3V3), .vdda1_2 (VDD3V3), .vdda2 (VDD3V3), .vssa1 (VSS), .vssa1_2 (VSS), .vssa2 (VSS), .vccd1 (VDD1V8), .vccd2 (VDD1V8), .vssd1 (VSS), .vssd2 (VSS), .clock (clock), .gpio (gpio), .mprj_io (mprj_io), .flash_csb(flash_csb), .flash_clk(flash_clk), .flash_io0(flash_io0), .flash_io1(flash_io1), .resetb (RSTB) ); spiflash #( .FILENAME("mprj_stimulus.hex") ) spiflash ( .csb(flash_csb), .clk(flash_clk), .io0(flash_io0), .io1(flash_io1), .io2(), // not used .io3() // not used ); endmodule `default_nettype wire