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/trunk/bench/verilog/usb_defines.v
0,0 → 1,149
/////////////////////////////////////////////////////////////////////
//// ////
//// USB 1.1 function defines file ////
//// ////
//// ////
//// Author: Rudolf Usselmann ////
//// rudi@asics.ws ////
//// ////
//// Modifications: Alfredo Luiz Foltran Fialho ////
//// alfoltran@opencores.org ////
//// ////
//// Downloaded from: http://www.opencores.org/cores/usb1_funct/////
//// ////
/////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2000-2002 Rudolf Usselmann ////
//// www.asics.ws ////
//// rudi@asics.ws ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer.////
//// ////
//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
//// POSSIBILITY OF SUCH DAMAGE. ////
//// ////
/////////////////////////////////////////////////////////////////////
 
// CVS Log
//
// $Id: usb_defines.v,v 1.1 2004-05-14 16:19:43 alfoltran Exp $
//
// $Date: 2004-05-14 16:19:43 $
// $Revision: 1.1 $
// $Author: alfoltran $
// $Locker: $
// $State: Exp $
//
// Change History:
// $Log: not supported by cvs2svn $
// Revision 1.3 2002/09/25 06:06:49 rudi
// - Added New Top Level
// - Remove old top level and associated files
// - Moved FIFOs to "Generic FIFOs" project
//
// Revision 1.2 2002/09/20 11:46:54 rudi
// fixed a type 'define' was missing ...
//
// Revision 1.1.1.1 2002/09/19 12:07:40 rudi
// Initial Checkin
//
//
//
//
//
//
//
//
 
`define USBF_DEBUG
`define USBF_VERBOSE_DEBUG
 
// Enable or disable Block Frames
//`define USB1_BF_ENABLE
 
/////////////////////////////////////////////////////////////////////
//
// Items below this point should NOT be modified by the end user
// UNLESS you know exactly what you are doing !
// Modify at you own risk !!!
//
/////////////////////////////////////////////////////////////////////
 
`define ROM_SIZE0 7'd018 // Device Descriptor Length
`define ROM_SIZE1 7'd060 // Configuration Descriptor Length
`define ROM_SIZE2A 7'd008 // Language ID Descriptor Start Length
`define ROM_SIZE2B 7'd026 // String 1 Descriptor Length
`define ROM_SIZE2C 7'd028 // String 2 Descriptor Length
`define ROM_SIZE2D 7'd054 // String 3 Descriptor Length
 
`define ROM_START0 8'h00 // Device Descriptor Start Address
`define ROM_START1 8'h12 // Configuration Descriptor Start Address
`define ROM_START2A 8'h4e // Language ID Descriptor Start Address
`define ROM_START2B 8'h56 // String 1 Descriptor Start Address
`define ROM_START2C 8'h70 // String 2 Descriptor Start Address
`define ROM_START2D 8'h8c // String 3 Descriptor Start Address
 
// Endpoint Configuration Constants
`define IN 14'b00_001_000000000
`define OUT 14'b00_010_000000000
`define CTRL 14'b10_100_000000000
`define ISO 14'b01_000_000000000
`define BULK 14'b10_000_000000000
`define INT 14'b00_000_000000000
 
// PID Encodings
`define USBF_T_PID_OUT 4'b0001
`define USBF_T_PID_IN 4'b1001
`define USBF_T_PID_SOF 4'b0101
`define USBF_T_PID_SETUP 4'b1101
`define USBF_T_PID_DATA0 4'b0011
`define USBF_T_PID_DATA1 4'b1011
`define USBF_T_PID_DATA2 4'b0111
`define USBF_T_PID_MDATA 4'b1111
`define USBF_T_PID_ACK 4'b0010
`define USBF_T_PID_NACK 4'b1010
`define USBF_T_PID_STALL 4'b1110
`define USBF_T_PID_NYET 4'b0110
`define USBF_T_PID_PRE 4'b1100
`define USBF_T_PID_ERR 4'b1100
`define USBF_T_PID_SPLIT 4'b1000
`define USBF_T_PID_PING 4'b0100
`define USBF_T_PID_RES 4'b0000
 
// The HMS_DEL is a constant for the "Half Micro Second"
// Clock pulse generator. This constant specifies how many
// Phy clocks there are between two hms_clock pulses. This
// constant plus 2 represents the actual delay.
// Example: For a 60 Mhz (16.667 nS period) Phy Clock, the
// delay must be 30 phy clock: 500ns / 16.667nS = 30 clocks
`define USBF_HMS_DEL 5'h16
 
// After sending Data in response to an IN token from host, the
// host must reply with an ack. The host has 622nS in Full Speed
// mode and 400nS in High Speed mode to reply. RX_ACK_TO_VAL_FS
// and RX_ACK_TO_VAL_HS are the numbers of UTMI clock cycles
// minus 2 for Full and High Speed modes.
//`define USBF_RX_ACK_TO_VAL_FS 8'd36
`define USBF_RX_ACK_TO_VAL_FS 8'd200
 
// After sending a OUT token the host must send a data packet.
// The host has 622nS in Full Speed mode and 400nS in High Speed
// mode to send the data packet.
// TX_DATA_TO_VAL_FS and TX_DATA_TO_VAL_HS are is the numbers of
// UTMI clock cycles minus 2.
//`define USBF_TX_DATA_TO_VAL_FS 8'd36
`define USBF_TX_DATA_TO_VAL_FS 8'd200

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