mirror of
https://github.com/retroSoC/retroSoC.git
synced 2026-11-06 14:55:14 +00:00
maksyuki
c0f04067b2
- Updated multiple RTL files in the and directories to include licensing information under the Mulan PSL v2. - Added attribution comments for contributions from ETH Zurich and University of Bologna in . - Enhanced test files in the directory with licensing details and ensured compliance with the Solderpad Hardware License, Version 0.51. - Introduced a new test in to verify the preservation of attribution for PULP HyperBus sources.
92 lines
3.0 KiB
Systemverilog
92 lines
3.0 KiB
Systemverilog
// Copyright (c) 2026 Yuchi Miao <miaoyuchi@ict.ac.cn>
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// retroSoC is licensed under Mulan PSL v2.
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// You can use this software according to the terms and conditions of the Mulan PSL v2.
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// You may obtain a copy of Mulan PSL v2 at:
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// http://license.coscl.org.cn/MulanPSL2
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// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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// See the Mulan PSL v2 for more details.
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module usb2_descriptor_tb;
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logic [31:0] s_buffer_addr;
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logic [31:0] s_byte_length;
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logic [31:0] s_next_addr;
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logic [31:0] s_control;
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logic [31:0] s_actual_length;
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logic [31:0] s_status;
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logic [31:0] s_frame;
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logic [31:0] s_reserved;
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logic [ 3:0] s_desc_index;
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logic s_valid;
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usb2_pkg::usb2_desc_error_e s_error;
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usb2_dma_descriptor #(
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.MaxDescriptors(16)
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) u_descriptor (
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.buffer_addr_i (s_buffer_addr),
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.byte_length_i (s_byte_length),
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.next_addr_i (s_next_addr),
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.control_i (s_control),
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.actual_length_i(s_actual_length),
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.status_i (s_status),
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.frame_i (s_frame),
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.reserved_i (s_reserved),
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.desc_index_i (s_desc_index),
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.own_o (),
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.chain_o (),
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.end_o (),
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.irq_o (),
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.short_ok_o (),
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.zero_packet_o (),
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.valid_o (s_valid),
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.error_o (s_error)
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);
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initial begin
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s_buffer_addr = 32'h2000_0000;
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s_byte_length = 32'd512;
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s_next_addr = 32'd0;
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s_control = 32'h0000_000D;
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s_actual_length = 32'd0;
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s_status = 32'd0;
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s_frame = 32'd0;
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s_reserved = 32'd0;
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s_desc_index = 4'd0;
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#1;
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if (!s_valid || (s_error != usb2_pkg::Usb2DescOk)) begin
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$fatal(1, "USB2 terminal descriptor rejected");
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end
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s_buffer_addr = 32'h2000_0001;
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#1;
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if (s_valid || (s_error != usb2_pkg::Usb2DescBufferAlign)) begin
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$fatal(1, "USB2 unaligned buffer accepted");
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end
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s_buffer_addr = 32'hFFFF_FFFC;
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s_byte_length = 32'd8;
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#1;
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if (s_valid || (s_error != usb2_pkg::Usb2DescAddressWrap)) begin
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$fatal(1, "USB2 wrapping buffer accepted");
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end
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s_buffer_addr = 32'h2000_0000;
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s_byte_length = 32'd512;
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s_control = 32'h0000_0003;
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s_next_addr = 32'h2000_0FE0;
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#1;
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if (!s_valid) begin
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$fatal(1, "USB2 aligned chained descriptor rejected");
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end
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s_next_addr = 32'h2000_0FF0;
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#1;
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if (s_valid || (s_error != usb2_pkg::Usb2DescNextAlign)) begin
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$fatal(1, "USB2 descriptor crossing 4 KiB boundary accepted");
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end
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$display("USB2 descriptor validation passed");
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$finish;
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end
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endmodule
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