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// -------------------------------------------------------------------------

// -------------------------------------------------------------------------

//

// Revision Control Information

//

// $RCSfile: altera_tse_multi_mac_pcs_pma_gige.v,v $

// $Source: /ipbu/cvs/sio/projects/TriSpeedEthernet/src/RTL/Top_level_modules/altera_tse_multi_mac_pcs_pma_gige_phyip.v,v $

//

// $Revision: #5 $

// $Date: 2012/01/30 $

// Check in by : $Author: hschmit $

// Author      : Arul Paniandi

//

// Project     : Triple Speed Ethernet - 10/100/1000 MAC

//

// Description : 

//

// Top Level Triple Speed Ethernet(10/100/1000) MAC with MII/GMII

// interfaces, mdio module and register space (statistic, control and 

// management)

// 

// ALTERA Confidential and Proprietary

// Copyright 2006 (c) Altera Corporation  

// All rights reserved

//

// -------------------------------------------------------------------------

// -------------------------------------------------------------------------

(*altera_attribute = {"-name SYNCHRONIZER_IDENTIFICATION OFF;SUPPRESS_DA_RULE_INTERNAL=\"R102,R105,D102,D101,D103\"" } *)

module altera_tse_multi_mac_pcs_pma_gige_phyip

#(

parameter USE_SYNC_RESET        = 0,                    //  Use Synchronized Reset Inputs

parameter RESET_LEVEL           = 1'b 1 ,               //  Reset Active Level

parameter ENABLE_GMII_LOOPBACK  = 1,                    //  GMII_LOOPBACK_ENA : Enable GMII Loopback Logic 

parameter ENABLE_HD_LOGIC       = 1,                    //  HD_LOGIC_ENA : Enable Half Duplex Logic

parameter ENABLE_SUP_ADDR       = 1,                    //  SUP_ADDR_ENA : Enable Supplemental Addresses

parameter ENA_HASH              = 1,                    //  ENA_HASH Enable Hash Table 

parameter STAT_CNT_ENA          = 1,                    //  STAT_CNT_ENA Enable Statistic Counters

parameter MDIO_CLK_DIV          = 40 ,                  //  Host Clock Division - MDC Generation

parameter CORE_VERSION          = 16'h3,                //  ALTERA Core Version

parameter CUST_VERSION          = 1 ,                   //  Customer Core Version

parameter REDUCED_INTERFACE_ENA = 0,                    //  Enable the RGMII Interface

parameter ENABLE_MDIO           = 1,                    //  Enable the MDIO Interface

parameter ENABLE_MAGIC_DETECT   = 1,                    //  Enable magic packet detection 

parameter ENABLE_PADDING        = 1,                    //  Enable padding operation.

parameter ENABLE_LGTH_CHECK     = 1,                    //  Enable frame length checking.

parameter GBIT_ONLY             = 1,                    //  Enable Gigabit only operation.

parameter MBIT_ONLY             = 1,                    //  Enable Megabit (10/100) only operation.

parameter REDUCED_CONTROL       = 0,                    //  Reduced control for MAC LITE

parameter CRC32DWIDTH           = 4'b 1000,             //  input data width (informal, not for change)

parameter CRC32GENDELAY         = 3'b 110,              //  when the data from the generator is valid

parameter CRC32CHECK16BIT       = 1'b 0,                //  1 compare two times 16 bit of the CRC (adds one pipeline step) 

parameter CRC32S1L2_EXTERN      = 1'b0,                 //  false: merge enable

parameter ENABLE_SHIFT16        = 0,                    //  Enable byte stuffing at packet header 

parameter ENABLE_MAC_FLOW_CTRL  = 1'b1,                 //  Option to enable flow control 

parameter ENABLE_MAC_TXADDR_SET = 1'b1,                 //  Option to enable MAC address insertion onto 'to-be-transmitted' Ethernet frames on MAC TX data path

parameter ENABLE_MAC_RX_VLAN    = 1'b1,                 //  Option to enable VLAN tagged Ethernet frames on MAC RX data path

parameter ENABLE_MAC_TX_VLAN    = 1'b1,                 //  Option to enable VLAN tagged Ethernet frames on MAC TX data path

parameter PHY_IDENTIFIER        = 32'h 00000000,        //  PHY Identifier

parameter DEV_VERSION           = 16'h 0001 ,           //  Customer Phy's Core Version

parameter ENABLE_SGMII          = 1,                    //  Enable SGMII logic for synthesis

parameter ENABLE_CLK_SHARING    = 1,                    //  Option to share clock for multiple channels (Clocks are rate-matched).

parameter ENABLE_REG_SHARING    = 0,                    //  Option to share register space. Uses certain hard-coded values from input.

parameter ENABLE_EXTENDED_STAT_REG = 0,                 //  Enable a few extended statistic registers

parameter MAX_CHANNELS          = 1,                    //  The number of channels in Multi-TSE component

parameter ENABLE_PKT_CLASS      = 1,                    //  Enable Packet Classification Av-ST Interface

parameter ENABLE_RX_FIFO_STATUS = 1,                    //  Enable Receive FIFO Almost Full status interface

parameter CHANNEL_WIDTH         = 1,                    //  The width of the channel interface

parameter EXPORT_PWRDN          = 1'b0,                 //  Option to export the Alt2gxb powerdown signal

parameter DEVICE_FAMILY         = "ARRIAGX",            //  The device family the the core is targetted for.

parameter TRANSCEIVER_OPTION    = 1'b0,                 //  Option to select transceiver block for MAC PCS PMA Instantiation. Valid Values are 0 and 1:  0 - GXB (GIGE Mode) 1 - LVDS IO

parameter ENABLE_ALT_RECONFIG   = 0,                    //  Option to expose the altreconfig ports

parameter SYNCHRONIZER_DEPTH    = 3,                    //  Number of synchronizer

//IEEE1588 code

parameter TSTAMP_FP_WIDTH                 = 4,          //      Finger print width associated to the timestamp request

parameter ENABLE_TIMESTAMPING               = 0,         //      To enable time stamping logic

parameter ENABLE_PTP_1STEP                      = 0,             //      To enable time 1 step clock PTP

// Internal parameters

parameter STARTING_CHANNEL_NUMBER = 0,

parameter ADDR_WIDTH = (MAX_CHANNELS > 16)? 13 :

                       (MAX_CHANNELS > 8)? 12 :

                       (MAX_CHANNELS > 4)? 11 :

                       (MAX_CHANNELS > 2)? 10 :

                       (MAX_CHANNELS > 1)? 9 : 8

)

// Port List

(

    // RESET / MAC REG IF / MDIO

    input wire   reset,                      //  Asynchronous Reset - clk Domain

    input wire   clk,                        //  25MHz Host Interface Clock

    input wire   read,                       //  Register Read Strobe

    input wire   write,                      //  Register Write Strobe

    input wire   [ADDR_WIDTH-1:0] address,   //  Register Address

    input wire   [31:0] writedata,           //  Write Data for Host Bus

    output wire  [31:0] readdata,            //  Read Data to Host Bus

    output wire  waitrequest,                //  Interface Busy

    output wire  mdc,                        //  2.5MHz Inteface

    input wire   mdio_in,                    //  MDIO Input

    output wire  mdio_out,                   //  MDIO Output

    output wire  mdio_oen,                   //  MDIO Output Enable

    // DEVICE SPECIFIC SIGNALS

    input wire   gxb_cal_blk_clk,            //  GXB Calibration Clock

    input wire   ref_clk,                    //  Rference Clock

        // SHARED CLK SIGNALS

    output wire  mac_rx_clk,                 //  Av-ST Receive Clock

    output wire  mac_tx_clk,                 //  Av-ST Transmit Clock 

    input  wire  pcs_phase_measure_clk,      //  Phase Measurement Clock

        // SHARED RX STATUS

    input wire   rx_afull_clk,                             //  Almost full clk

    input wire   [1:0] rx_afull_data,                      //  Almost full data

    input wire   rx_afull_valid,                           //  Almost full valid

    input wire   [CHANNEL_WIDTH-1:0] rx_afull_channel,     //  Almost full channel

    // CHANNEL 0

    // PCS SIGNALS TO PHY

    input wire   rxp_0,                    //  Differential Receive Data 

    output wire  txp_0,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_0,         //  Receiver Recovered Clock 

    output wire  led_crs_0,                //  Carrier Sense

    output wire  led_link_0,               //  Valid Link 

    output wire  led_col_0,                //  Collision Indication

    output wire  led_an_0,                 //  Auto-Negotiation Status

    output wire  led_char_err_0,           //  Character Error

    output wire  led_disp_err_0,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_0,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_0,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_0,            //  Start of Packet

    output wire  data_rx_eop_0,            //  End of Packet

    output wire  [7:0] data_rx_data_0,     //  Data from FIFO

    output wire  [4:0] data_rx_error_0,    //  Receive packet error

    output wire  data_rx_valid_0,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_0,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_0,   //  Frame Type Indication

    output wire  pkt_class_valid_0,        //  Frame Type Indication Valid 

    input wire   data_tx_error_0,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_0,     //  Data from FIFO transmit

    input wire   data_tx_valid_0,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_0,            //  Start of Packet

    input wire   data_tx_eop_0,            //  END of Packet

    output wire  data_tx_ready_0,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_0,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_0,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_0,               //  Xoff Pause frame generate 

    input wire   xon_gen_0,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_0,          //  Enable Sleep Mode

    output wire  magic_wakeup_0,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_0,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_0,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_0,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_0,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_0, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_0,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_0,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_0,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_0,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_0,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_0,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_0,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_0,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_0,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_0,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_0,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_0,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_0,                                          //      Time of Day

    // CHANNEL 1

    // PCS SIGNALS TO PHY

    input wire   rxp_1,                    //  Differential Receive Data 

    output wire  txp_1,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_1,         //  Receiver Recovered Clock 

    output wire  led_crs_1,                //  Carrier Sense

    output wire  led_link_1,               //  Valid Link 

    output wire  led_col_1,                //  Collision Indication

    output wire  led_an_1,                 //  Auto-Negotiation Status

    output wire  led_char_err_1,           //  Character Error

    output wire  led_disp_err_1,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_1,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_1,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_1,            //  Start of Packet

    output wire  data_rx_eop_1,            //  End of Packet

    output wire  [7:0] data_rx_data_1,     //  Data from FIFO

    output wire  [4:0] data_rx_error_1,    //  Receive packet error

    output wire  data_rx_valid_1,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_1,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_1,   //  Frame Type Indication

    output wire  pkt_class_valid_1,        //  Frame Type Indication Valid 

    input wire   data_tx_error_1,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_1,     //  Data from FIFO transmit

    input wire   data_tx_valid_1,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_1,            //  Start of Packet

    input wire   data_tx_eop_1,            //  END of Packet

    output wire  data_tx_ready_1,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_1,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_1,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_1,               //  Xoff Pause frame generate 

    input wire   xon_gen_1,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_1,          //  Enable Sleep Mode

    output wire  magic_wakeup_1,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_1,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_1,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_1,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_1,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_1, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_1,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_1,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_1,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_1,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_1,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_1,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_1,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_1,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_1,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_1,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_1,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_1,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_1,                                          //      Time of Day

    // CHANNEL 2

    // PCS SIGNALS TO PHY

    input wire   rxp_2,                    //  Differential Receive Data 

    output wire  txp_2,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_2,         //  Receiver Recovered Clock 

    output wire  led_crs_2,                //  Carrier Sense

    output wire  led_link_2,               //  Valid Link 

    output wire  led_col_2,                //  Collision Indication

    output wire  led_an_2,                 //  Auto-Negotiation Status

    output wire  led_char_err_2,           //  Character Error

    output wire  led_disp_err_2,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_2,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_2,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_2,            //  Start of Packet

    output wire  data_rx_eop_2,            //  End of Packet

    output wire  [7:0] data_rx_data_2,     //  Data from FIFO

    output wire  [4:0] data_rx_error_2,    //  Receive packet error

    output wire  data_rx_valid_2,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_2,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_2,   //  Frame Type Indication

    output wire  pkt_class_valid_2,        //  Frame Type Indication Valid 

    input wire   data_tx_error_2,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_2,     //  Data from FIFO transmit

    input wire   data_tx_valid_2,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_2,            //  Start of Packet

    input wire   data_tx_eop_2,            //  END of Packet

    output wire  data_tx_ready_2,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_2,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_2,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_2,               //  Xoff Pause frame generate 

    input wire   xon_gen_2,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_2,          //  Enable Sleep Mode

    output wire  magic_wakeup_2,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_2,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_2,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_2,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_2,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_2, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_2,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_2,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_2,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_2,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_2,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_2,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_2,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_2,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_2,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_2,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_2,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_2,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_2,                                          //      Time of Day

    // CHANNEL 3

    // PCS SIGNALS TO PHY

    input wire   rxp_3,                    //  Differential Receive Data 

    output wire  txp_3,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_3,         //  Receiver Recovered Clock 

    output wire  led_crs_3,                //  Carrier Sense

    output wire  led_link_3,               //  Valid Link 

    output wire  led_col_3,                //  Collision Indication

    output wire  led_an_3,                 //  Auto-Negotiation Status

    output wire  led_char_err_3,           //  Character Error

    output wire  led_disp_err_3,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_3,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_3,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_3,            //  Start of Packet

    output wire  data_rx_eop_3,            //  End of Packet

    output wire  [7:0] data_rx_data_3,     //  Data from FIFO

    output wire  [4:0] data_rx_error_3,    //  Receive packet error

    output wire  data_rx_valid_3,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_3,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_3,   //  Frame Type Indication

    output wire  pkt_class_valid_3,        //  Frame Type Indication Valid 

    input wire   data_tx_error_3,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_3,     //  Data from FIFO transmit

    input wire   data_tx_valid_3,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_3,            //  Start of Packet

    input wire   data_tx_eop_3,            //  END of Packet

    output wire  data_tx_ready_3,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_3,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_3,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_3,               //  Xoff Pause frame generate 

    input wire   xon_gen_3,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_3,          //  Enable Sleep Mode

    output wire  magic_wakeup_3,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_3,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_3,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_3,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_3,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_3, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_3,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_3,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_3,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_3,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_3,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_3,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_3,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_3,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_3,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_3,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_3,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_3,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_3,                                          //      Time of Day

    // CHANNEL 4

    // PCS SIGNALS TO PHY

    input wire   rxp_4,                    //  Differential Receive Data 

    output wire  txp_4,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_4,         //  Receiver Recovered Clock 

    output wire  led_crs_4,                //  Carrier Sense

    output wire  led_link_4,               //  Valid Link 

    output wire  led_col_4,                //  Collision Indication

    output wire  led_an_4,                 //  Auto-Negotiation Status

    output wire  led_char_err_4,           //  Character Error

    output wire  led_disp_err_4,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_4,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_4,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_4,            //  Start of Packet

    output wire  data_rx_eop_4,            //  End of Packet

    output wire  [7:0] data_rx_data_4,     //  Data from FIFO

    output wire  [4:0] data_rx_error_4,    //  Receive packet error

    output wire  data_rx_valid_4,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_4,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_4,   //  Frame Type Indication

    output wire  pkt_class_valid_4,        //  Frame Type Indication Valid 

    input wire   data_tx_error_4,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_4,     //  Data from FIFO transmit

    input wire   data_tx_valid_4,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_4,            //  Start of Packet

    input wire   data_tx_eop_4,            //  END of Packet

    output wire  data_tx_ready_4,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_4,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_4,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_4,               //  Xoff Pause frame generate 

    input wire   xon_gen_4,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_4,          //  Enable Sleep Mode

    output wire  magic_wakeup_4,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_4,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_4,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_4,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_4,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_4, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_4,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_4,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_4,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_4,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_4,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_4,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_4,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_4,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_4,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_4,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_4,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_4,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_4,                                          //      Time of Day

    // CHANNEL 5

    // PCS SIGNALS TO PHY

    input wire   rxp_5,                    //  Differential Receive Data 

    output wire  txp_5,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_5,         //  Receiver Recovered Clock 

    output wire  led_crs_5,                //  Carrier Sense

    output wire  led_link_5,               //  Valid Link 

    output wire  led_col_5,                //  Collision Indication

    output wire  led_an_5,                 //  Auto-Negotiation Status

    output wire  led_char_err_5,           //  Character Error

    output wire  led_disp_err_5,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_5,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_5,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_5,            //  Start of Packet

    output wire  data_rx_eop_5,            //  End of Packet

    output wire  [7:0] data_rx_data_5,     //  Data from FIFO

    output wire  [4:0] data_rx_error_5,    //  Receive packet error

    output wire  data_rx_valid_5,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_5,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_5,   //  Frame Type Indication

    output wire  pkt_class_valid_5,        //  Frame Type Indication Valid 

    input wire   data_tx_error_5,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_5,     //  Data from FIFO transmit

    input wire   data_tx_valid_5,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_5,            //  Start of Packet

    input wire   data_tx_eop_5,            //  END of Packet

    output wire  data_tx_ready_5,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_5,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_5,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_5,               //  Xoff Pause frame generate 

    input wire   xon_gen_5,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_5,          //  Enable Sleep Mode

    output wire  magic_wakeup_5,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_5,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_5,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_5,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_5,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_5, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_5,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_5,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_5,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_5,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_5,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_5,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_5,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_5,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_5,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_5,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_5,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_5,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_5,                                          //      Time of Day

    // CHANNEL 6

    // PCS SIGNALS TO PHY

    input wire   rxp_6,                    //  Differential Receive Data 

    output wire  txp_6,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_6,         //  Receiver Recovered Clock 

    output wire  led_crs_6,                //  Carrier Sense

    output wire  led_link_6,               //  Valid Link 

    output wire  led_col_6,                //  Collision Indication

    output wire  led_an_6,                 //  Auto-Negotiation Status

    output wire  led_char_err_6,           //  Character Error

    output wire  led_disp_err_6,           //  Disparity Error

    // AV-ST TX & RX

    output wire  mac_rx_clk_6,             //  Av-ST Receive Clock

    output wire  mac_tx_clk_6,             //  Av-ST Transmit Clock   

    output wire  data_rx_sop_6,            //  Start of Packet

    output wire  data_rx_eop_6,            //  End of Packet

    output wire  [7:0] data_rx_data_6,     //  Data from FIFO

    output wire  [4:0] data_rx_error_6,    //  Receive packet error

    output wire  data_rx_valid_6,          //  Data Receive FIFO Valid

    input wire   data_rx_ready_6,          //  Data Receive Ready

    output wire  [4:0] pkt_class_data_6,   //  Frame Type Indication

    output wire  pkt_class_valid_6,        //  Frame Type Indication Valid 

    input wire   data_tx_error_6,          //  STATUS FIFO (Tx frame Error from Apps)

    input wire   [7:0] data_tx_data_6,     //  Data from FIFO transmit

    input wire   data_tx_valid_6,          //  Data FIFO transmit Empty

    input wire   data_tx_sop_6,            //  Start of Packet

    input wire   data_tx_eop_6,            //  END of Packet

    output wire  data_tx_ready_6,          //  Data FIFO transmit Read Enable   

    // STAND_ALONE CONDUITS 

    output wire  tx_ff_uflow_6,            //  TX FIFO underflow occured (Synchronous with tx_clk)

    input wire   tx_crc_fwd_6,             //  Forward Current Frame with CRC from Application

    input wire   xoff_gen_6,               //  Xoff Pause frame generate 

    input wire   xon_gen_6,                //  Xon Pause frame generate 

    input wire   magic_sleep_n_6,          //  Enable Sleep Mode

    output wire  magic_wakeup_6,           //  Wake Up Request

    // RECONFIG BLOCK SIGNALS

    input wire   [139:0] reconfig_togxb_6,  //  Signals from the reconfig block to the GXB block

    output wire  [91:0] reconfig_fromgxb_6,  //  Signals from the gxb block to the reconfig block

    input wire  [8:0]phy_mgmt_address_6,   //  address to PHYIP management interface 

    input wire  phy_mgmt_read_6,           //  read to PHYIP management interface 

    output wire [31:0]phy_mgmt_readdata_6, //  readdata from PHYIP management interface 

    output wire  phy_mgmt_waitrequest_6,    //  waitrequest from PHYIP management interface 

    input wire  phy_mgmt_write_6,          //  write to PHYIP management interface 

    input wire  [31:0]phy_mgmt_writedata_6,//  writedata to PHYIP management interface 

    //IEEE1588's code

    input       wire                                                                    tx_egress_timestamp_request_valid_6,            //      Timestamp request valid from user

    input       wire       [(TSTAMP_FP_WIDTH)-1:0]                               tx_egress_timestamp_request_data_6,             //      Fingerprint associated to the timestamp request

    output      wire                                                                    tx_egress_timestamp_valid_6,                            //      Timestamp + fingerprint from TSU

    output      wire      [(96 + TSTAMP_FP_WIDTH)-1:0]           tx_egress_timestamp_data_6,                             //      Timestamp + fingerprint from TSU

    input       wire      [96-1:0]                                       tx_time_of_day_data_6,                                          //      Time of Day

    input       wire                                                            tx_ingress_timestamp_valid_6,                           //      Timestamp to TSU

    input       wire      [(96)-1:0]                                                     tx_ingress_timestamp_data_6,                    //      Timestamp to TSU

    output      wire                                                                                                            rx_ingress_timestamp_valid_6,                           //      RX timestamp valid

    output      wire      [(96)-1:0]                                                     rx_ingress_timestamp_data_6,                            //      RX timestamp data

    input       wire      [96-1:0]                                       rx_time_of_day_data_6,                                          //      Time of Day

    // CHANNEL 7

    // PCS SIGNALS TO PHY

    input wire   rxp_7,                    //  Differential Receive Data 

    output wire  txp_7,                    //  Differential Transmit Data 

    output wire  rx_recovclkout_7,         //  Receiver Recovered Clock 

    output wire  led_crs_7,                //  Carrier Sense

    output wire  led_link_7,               //  Valid Link 

    output wire  led_col_7,                //  Collision Indication

    output wire  led_an_7,                 //  Auto-Negotiation Status

    output wire  led_char_err_7,           //  Character Error

    output wire  led_disp_err_7,           //  Disparity Error