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// ===========================================================================
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// File : pcie_phy_packet.vri
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// Author : cmagleby
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// Date : Mon Dec 3 11:03:46 MST 2007
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// Project : TI PHY design
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//
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// Copyright (c) notice
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// This code adheres to the GNU public license
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//
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// ===========================================================================
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//
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// $Id: pcie_phy_packet.vri,v 1.1.1.1 2007-12-05 18:37:07 cmagleby Exp $
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//
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// ===========================================================================
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//
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// $Log: not supported by cvs2svn $
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//
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// ===========================================================================
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// Function : This file is a class of pcie packet can be used for all Phy
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// packet types.
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//
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// ===========================================================================
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// ===========================================================================
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#include
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class pcie_phy_packet {
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bit [7:0] com;
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bit [7:0] link;
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bit [7:0] lane;
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bit [7:0] n_fts;
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bit [7:0] rateid;
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bit [7:0] train_cntrl;
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bit [7:0] ts_id;
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bit [7:0] idle;
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bit [7:0] skp;
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bit [7:0] fts;
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integer length;
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bit [17:0] temp_packet[];
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//methods
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task new(
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bit [7:0] ic_link = 8'hf7,
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bit [7:0] ic_lane = 8'hf7,
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bit [7:0] ic_nfts = 8'hff,
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bit [7:0] ic_rateid = 8'h2,
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bit [7:0] ic_train_cntrl = 8'h0,
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bit [7:0] ic_ts_id = 8'h4a) {
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link = ic_link;
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lane = ic_lane;
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n_fts = ic_nfts;
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rateid = ic_rateid;
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train_cntrl = ic_train_cntrl;
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ts_id = ic_ts_id;
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com = 8'hbc;
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idle = 8'h7c;
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skp = 8'h1c;
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fts = 8'h3c;
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}
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task build_packet (string pkt_type = "ts") {
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if (pkt_type == "ts") {
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length = 8;
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if (link == 8'hf7) temp_packet[0] = {2'b11,link,com};
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else temp_packet[0] = {2'b01,link,com};
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if (lane == 8'hf7) temp_packet[1] = {2'b1,n_fts,lane};
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else temp_packet[1] = {2'b0,n_fts,lane};
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temp_packet[2] = {2'b0,train_cntrl,rateid};
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temp_packet[3] = {2'b0,ts_id,ts_id};
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temp_packet[4] = {2'b0,ts_id,ts_id};
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temp_packet[5] = {2'b0,ts_id,ts_id};
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temp_packet[6] = {2'b0,ts_id,ts_id};
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temp_packet[7] = {2'b0,ts_id,ts_id};
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printf ("building training set packet (%0h)\n",
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{temp_packet[7][15:0],temp_packet[6][15:0],
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temp_packet[5][15:0],temp_packet[4][15:0],
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temp_packet[3][15:0],temp_packet[2][15:0],
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temp_packet[1][15:0],temp_packet[0][15:0]});
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}
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else if (pkt_type == "eidle") {
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length = 2;
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temp_packet[0] = {2'b11,idle,com};
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temp_packet[1] = {2'b11,idle,idle};
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printf ("building eidle packet (%0h)\n",{temp_packet[1][15:0],temp_packet[0][15:0]});
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}
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else if (pkt_type == "skip"){
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length = 2;
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temp_packet[0] = {2'b11,skp,com};
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temp_packet[1] = {2'b11,skp,skp};
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printf ("building skip packet (%0h)\n",{temp_packet[1][15:0],temp_packet[0][15:0]});
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}
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else if (pkt_type == "fast_ts"){
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length = 2;
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temp_packet[0] = {2'b11,fts,com};
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temp_packet[1] = {2'b11,fts,fts};
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printf ("building fts packet (%0h)\n",{temp_packet[1][15:0],temp_packet[0][15:0]});
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}
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}
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}
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