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chip_ignite/verilog/dv/mprj_stimulus/mprj_stimulus_tb.v
Corey Hahn 2ba96a115d Initial commit
2026-02-23 20:42:11 -07:00

249 lines
12 KiB
Verilog
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// 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
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