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dinesha |
/////////////////////////////////////////////////////////////////////
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//// ////
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//// Descriptor ROM ////
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//// ////
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//// ////
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//// Author: Rudolf Usselmann ////
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//// rudi@asics.ws ////
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//// ////
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//// ////
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//// Downloaded from: http://www.opencores.org/cores/usb1_funct/////
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//// ////
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/////////////////////////////////////////////////////////////////////
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//// ////
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//// Copyright (C) 2000-2002 Rudolf Usselmann ////
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//// www.asics.ws ////
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//// rudi@asics.ws ////
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//// ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer.////
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//// ////
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//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
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//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
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//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
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//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
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//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
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//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
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//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
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//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
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//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
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//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
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//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
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//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
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//// POSSIBILITY OF SUCH DAMAGE. ////
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//// ////
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/////////////////////////////////////////////////////////////////////
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// CVS Log
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//
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// $Id: usb1_rom1.v,v 1.1.1.1 2002-09-19 12:07:29 rudi Exp $
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//
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// $Date: 2002-09-19 12:07:29 $
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// $Revision: 1.1.1.1 $
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// $Author: rudi $
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// $Locker: $
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// $State: Exp $
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//
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// Change History:
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// $Log: not supported by cvs2svn $
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//
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//
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//
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//
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//
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`include "usb1_defines.v"
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module usb1_rom1(clk, adr, dout);
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input clk;
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input [6:0] adr;
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output [7:0] dout;
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reg [7:0] dout;
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always @(posedge clk)
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case(adr) // synopsys full_case parallel_case
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// ====================================
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// ===== DEVICE Descriptor =====
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// ====================================
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7'h00: dout <= #1 8'd18; // this descriptor length
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7'h01: dout <= #1 8'h01; // descriptor type
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7'h02: dout <= #1 8'h00; // USB version low byte
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7'h03: dout <= #1 8'h01; // USB version high byte
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7'h04: dout <= #1 8'hff; // device class
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7'h05: dout <= #1 8'h00; // device sub class
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7'h06: dout <= #1 8'hff; // device protocol
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7'h07: dout <= #1 8'd64; // max packet size
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7'h08: dout <= #1 8'h34; // vendor ID low byte
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7'h09: dout <= #1 8'h12; // vendor ID high byte
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7'h0a: dout <= #1 8'h78; // product ID low byte
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7'h0b: dout <= #1 8'h56; // product ID high byte
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7'h0c: dout <= #1 8'h10; // device rel. number low byte
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7'h0d: dout <= #1 8'h00; // device rel. number high byte
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7'h0e: dout <= #1 8'h00; // Manufacturer String Index
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7'h0f: dout <= #1 8'h00; // Product Descr. String Index
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7'h10: dout <= #1 8'h00; // S/N String Index
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7'h11: dout <= #1 8'h01; // Number of possible config.
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// ====================================
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// ===== Configuration Descriptor =====
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// ====================================
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7'h12: dout <= #1 8'h09; // this descriptor length
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7'h13: dout <= #1 8'h02; // descriptor type
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7'h14: dout <= #1 8'd53; // total data length low byte
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7'h15: dout <= #1 8'd00; // total data length high byte
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7'h16: dout <= #1 8'h01; // number of interfaces
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7'h17: dout <= #1 8'h01; // number of configurations
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7'h18: dout <= #1 8'h00; // Conf. String Index
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7'h19: dout <= #1 8'h40; // Config. Characteristics
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7'h1a: dout <= #1 8'h00; // Max. Power Consumption
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// ====================================
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// ===== Interface Descriptor =====
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// ====================================
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7'h1b: dout <= #1 8'h09; // this descriptor length
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7'h1c: dout <= #1 8'h04; // descriptor type
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7'h1d: dout <= #1 8'h00; // interface number
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7'h1e: dout <= #1 8'h00; // alternate setting
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7'h1f: dout <= #1 8'h05; // number of endpoints
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7'h20: dout <= #1 8'hff; // interface class
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7'h21: dout <= #1 8'h01; // interface sub class
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7'h22: dout <= #1 8'hff; // interface protocol
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7'h23: dout <= #1 8'h00; // interface string index
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// ====================================
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// ===== Endpoint 1 Descriptor =====
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// ====================================
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7'h24: dout <= #1 8'h07; // this descriptor length
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7'h25: dout <= #1 8'h05; // descriptor type
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7'h26: dout <= #1 8'h81; // endpoint address
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7'h27: dout <= #1 8'h01; // endpoint attributes
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7'h28: dout <= #1 8'h00; // max packet size low byte
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7'h29: dout <= #1 8'h01; // max packet size high byte
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7'h2a: dout <= #1 8'h01; // polling interval
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// ====================================
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// ===== Endpoint 2 Descriptor =====
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// ====================================
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7'h2b: dout <= #1 8'h07; // this descriptor length
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7'h2c: dout <= #1 8'h05; // descriptor type
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7'h2d: dout <= #1 8'h02; // endpoint address
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7'h2e: dout <= #1 8'h01; // endpoint attributes
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7'h2f: dout <= #1 8'h00; // max packet size low byte
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7'h30: dout <= #1 8'h01; // max packet size high byte
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7'h31: dout <= #1 8'h01; // polling interval
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// ====================================
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// ===== Endpoint 3 Descriptor =====
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// ====================================
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7'h32: dout <= #1 8'h07; // this descriptor length
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7'h33: dout <= #1 8'h05; // descriptor type
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7'h34: dout <= #1 8'h83; // endpoint address
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7'h35: dout <= #1 8'h02; // endpoint attributes
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7'h36: dout <= #1 8'd64; // max packet size low byte
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7'h37: dout <= #1 8'd00; // max packet size high byte
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7'h38: dout <= #1 8'h01; // polling interval
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// ====================================
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// ===== Endpoint 4 Descriptor =====
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// ====================================
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7'h39: dout <= #1 8'h07; // this descriptor length
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7'h3a: dout <= #1 8'h05; // descriptor type
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7'h3b: dout <= #1 8'h04; // endpoint address
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7'h3c: dout <= #1 8'h02; // endpoint attributes
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7'h3d: dout <= #1 8'd64; // max packet size low byte
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7'h3e: dout <= #1 8'd00; // max packet size high byte
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7'h3f: dout <= #1 8'h01; // polling interval
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// ====================================
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// ===== Endpoint 5 Descriptor =====
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// ====================================
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7'h40: dout <= #1 8'h07; // this descriptor length
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7'h41: dout <= #1 8'h05; // descriptor type
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7'h42: dout <= #1 8'h85; // endpoint address
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7'h43: dout <= #1 8'h03; // endpoint attributes
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7'h44: dout <= #1 8'd64; // max packet size low byte
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7'h45: dout <= #1 8'd00; // max packet size high byte
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7'h46: dout <= #1 8'h01; // polling interval
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/*
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// ====================================
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// ===== String Descriptor Lang ID=====
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// ====================================
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7'h47: dout <= #1 8'd06; // this descriptor length
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7'h48: dout <= #1 8'd03; // descriptor type
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7'h49: dout <= #1 8'd09; // Language ID 0 low byte
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7'h4a: dout <= #1 8'd04; // Language ID 0 high byte
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7'h4b: dout <= #1 8'd09; // Language ID 1 low byte
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7'h4c: dout <= #1 8'd04; // Language ID 1 high byte
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7'h4d: dout <= #1 8'd09; // Language ID 2 low byte
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7'h4e: dout <= #1 8'd04; // Language ID 2 high byte
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// ====================================
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// ===== String Descriptor 0 =====
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// ====================================
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7'h50: dout <= #1 8'd010; // this descriptor length
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7'h51: dout <= #1 8'd03; // descriptor type
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7'h52: dout <= #1 "0";
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7'h53: dout <= #1 " ";
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7'h54: dout <= #1 "g";
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7'h55: dout <= #1 "n";
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7'h56: dout <= #1 "i";
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7'h57: dout <= #1 "r";
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7'h58: dout <= #1 "t";
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7'h59: dout <= #1 "S";
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// ====================================
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// ===== String Descriptor 1 =====
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// ====================================
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7'h60: dout <= #1 8'd010; // this descriptor length
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7'h61: dout <= #1 8'd03; // descriptor type
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7'h62: dout <= #1 "1";
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7'h63: dout <= #1 " ";
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7'h64: dout <= #1 "g";
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7'h65: dout <= #1 "n";
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7'h66: dout <= #1 "i";
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7'h67: dout <= #1 "r";
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7'h68: dout <= #1 "t";
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7'h69: dout <= #1 "S";
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// ====================================
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// ===== String Descriptor 2 =====
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// ====================================
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7'h70: dout <= #1 8'd010; // this descriptor length
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7'h71: dout <= #1 8'd03; // descriptor type
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7'h72: dout <= #1 "2";
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7'h73: dout <= #1 " ";
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7'h74: dout <= #1 "g";
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7'h75: dout <= #1 "n";
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7'h76: dout <= #1 "i";
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7'h77: dout <= #1 "r";
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7'h78: dout <= #1 "t";
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7'h79: dout <= #1 "S";
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*/
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// ====================================
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// ====================================
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//default: dout <= #1 8'd00;
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endcase
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endmodule
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