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Please use tb_ethernet.v for testbench. Testbench will soon be
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updated.
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mohor |
//////////////////////////////////////////////////////////////////////
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mohor |
//// ////
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//// tb_eth_top.v ////
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//// ////
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//// This file is part of the Ethernet IP core project ////
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olof |
//// http://www.opencores.org/project,ethmac ////
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mohor |
//// ////
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//// Author(s): ////
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//// - Igor Mohor (igorM@opencores.org) ////
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//// ////
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//// All additional information is avaliable in the Readme.txt ////
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//// file. ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// Copyright (C) 2001 Authors ////
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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 source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//
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// CVS Revision History
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//
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// $Log: not supported by cvs2svn $
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mohor |
// Revision 1.13 2002/05/03 10:25:01 mohor
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// Testbench supports unaligned accesses.
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//
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mohor |
// Revision 1.12 2002/02/26 17:01:09 mohor
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// Small fixes for external/internal DMA missmatches.
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//
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mohor |
// Revision 1.11 2002/02/16 13:06:59 mohor
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// EXTERNAL_DMA used instead of WISHBONE_DMA.
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//
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mohor |
// Revision 1.10 2002/02/16 07:22:15 mohor
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// Testbench fixed, code simplified, unused signals removed.
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//
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mohor |
// Revision 1.9 2002/02/14 20:14:38 billditt
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// Added separate tests for Multicast, Unicast, Broadcast
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//
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// Revision 1.8 2002/02/12 20:24:00 mohor
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// HASH0 and HASH1 register read/write added.
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//
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mohor |
// Revision 1.7 2002/02/06 14:11:35 mohor
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// non-DMA host interface added. Select the right configutation in eth_defines.
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//
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mohor |
// Revision 1.6 2001/12/08 12:36:00 mohor
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// TX_BD_NUM register added instead of the RB_BD_ADDR.
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//
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mohor |
// Revision 1.5 2001/10/19 11:24:04 mohor
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// Number of addresses (wb_adr_i) minimized.
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//
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mohor |
// Revision 1.4 2001/10/19 08:46:53 mohor
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// eth_timescale.v changed to timescale.v This is done because of the
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// simulation of the few cores in a one joined project.
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//
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mohor |
// Revision 1.3 2001/09/24 14:55:49 mohor
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// Defines changed (All precede with ETH_). Small changes because some
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// tools generate warnings when two operands are together. Synchronization
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// between two clocks domains in eth_wishbonedma.v is changed (due to ASIC
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// demands).
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//
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mohor |
// Revision 1.2 2001/08/15 14:04:30 mohor
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// Signal names changed on the top level for easier pad insertion (ASIC).
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//
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mohor |
// Revision 1.1 2001/08/06 14:41:09 mohor
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// A define FPGA added to select between Artisan RAM (for ASIC) and Block Ram (For Virtex).
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// Include files fixed to contain no path.
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// File names and module names changed ta have a eth_ prologue in the name.
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// File eth_timescale.v is used to define timescale
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// All pin names on the top module are changed to contain _I, _O or _OE at the end.
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// Bidirectional signal MDIO is changed to three signals (Mdc_O, Mdi_I, Mdo_O
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// and Mdo_OE. The bidirectional signal must be created on the top level. This
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// is done due to the ASIC tools.
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//
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mohor |
// Revision 1.1 2001/07/30 21:46:09 mohor
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// Directory structure changed. Files checked and joind together.
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//
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//
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//
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//
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//
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mohor |
`include "tb_eth_defines.v"
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olof |
`include "ethmac_defines.v"
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mohor |
`include "timescale.v"
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mohor |
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module tb_eth_top();
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parameter Tp = 1;
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reg WB_CLK_I;
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reg WB_RST_I;
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reg [31:0] WB_DAT_I;
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reg [31:0] WB_ADR_I;
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reg [3:0] WB_SEL_I;
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reg WB_WE_I;
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reg WB_CYC_I;
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reg WB_STB_I;
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wire [31:0] WB_DAT_O;
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wire WB_ACK_O;
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wire WB_ERR_O;
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mohor |
reg [1:0] WB_ACK_I;
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// WISHBONE master
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wire [31:0] m_wb_adr_o;
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wire [3:0] m_wb_sel_o;
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wire m_wb_we_o;
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reg [31:0] m_wb_dat_i;
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wire [31:0] m_wb_dat_o;
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wire m_wb_cyc_o;
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wire m_wb_stb_o;
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reg m_wb_ack_i;
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reg m_wb_err_i;
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mohor |
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reg MTxClk;
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wire [3:0] MTxD;
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wire MTxEn;
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wire MTxErr;
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reg MRxClk;
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reg [3:0] MRxD;
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reg MRxDV;
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reg MRxErr;
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reg MColl;
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reg MCrs;
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reg Mdi_I;
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wire Mdo_O;
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wire Mdo_OE;
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wire Mdc_O;
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mohor |
reg [7:0] memory0 [0:65535];
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reg [7:0] memory1 [0:65535];
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reg [7:0] memory2 [0:65535];
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reg [7:0] memory3 [0:65535];
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mohor |
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reg WishboneBusy;
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reg StartTB;
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reg [9:0] TxBDIndex;
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reg [9:0] RxBDIndex;
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mohor |
reg LogEnable;
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mohor |
integer mcd1;
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integer mcd2;
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mohor |
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mohor |
reg [5:0] g_last_txbd;
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mohor |
// Connecting Ethernet top module
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eth_top ethtop
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(
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// WISHBONE common
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mohor |
.wb_clk_i(WB_CLK_I), .wb_rst_i(WB_RST_I), .wb_dat_i(WB_DAT_I), .wb_dat_o(WB_DAT_O),
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mohor |
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// WISHBONE slave
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mohor |
.wb_adr_i(WB_ADR_I[11:2]), .wb_sel_i(WB_SEL_I), .wb_we_i(WB_WE_I), .wb_cyc_i(WB_CYC_I),
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mohor |
.wb_stb_i(WB_STB_I), .wb_ack_o(WB_ACK_O), .wb_err_o(WB_ERR_O),
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mohor |
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// WISHBONE master
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.m_wb_adr_o(m_wb_adr_o), .m_wb_sel_o(m_wb_sel_o), .m_wb_we_o(m_wb_we_o), .m_wb_dat_i(m_wb_dat_i),
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.m_wb_dat_o(m_wb_dat_o), .m_wb_cyc_o(m_wb_cyc_o), .m_wb_stb_o(m_wb_stb_o), .m_wb_ack_i(m_wb_ack_i),
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.m_wb_err_i(m_wb_err_i),
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mohor |
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//TX
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mohor |
.mtx_clk_pad_i(MTxClk), .mtxd_pad_o(MTxD), .mtxen_pad_o(MTxEn), .mtxerr_pad_o(MTxErr),
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mohor |
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//RX
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mohor |
.mrx_clk_pad_i(MRxClk), .mrxd_pad_i(MRxD), .mrxdv_pad_i(MRxDV), .mrxerr_pad_i(MRxErr),
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mohor |
.mcoll_pad_i(MColl), .mcrs_pad_i(MCrs),
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mohor |
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// MIIM
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mohor |
.mdc_pad_o(Mdc_O), .md_pad_i(Mdi_I), .md_pad_o(Mdo_O), .md_padoe_o(Mdo_OE),
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mohor |
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.int_o()
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mohor |
);
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mohor |
bench_cop i_bench_cop
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(
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// WISHBONE common
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.wb_clk_i(WB_CLK_I), .wb_rst_i(WB_RST_I), .wb_dat_i(WB_DAT_I), .wb_dat_o(WB_DAT_O),
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mohor |
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mohor |
// WISHBONE slave
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.wb_adr_i(WB_ADR_I[11:2]), .wb_sel_i(WB_SEL_I), .wb_we_i(WB_WE_I), .wb_cyc_i(WB_CYC_I),
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.wb_stb_i(WB_STB_I), .wb_ack_o(WB_ACK_O), .wb_err_o(WB_ERR_O),
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// WISHBONE master
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.m_wb_adr_o(m_wb_adr_o), .m_wb_sel_o(m_wb_sel_o), .m_wb_we_o(m_wb_we_o), .m_wb_dat_i(m_wb_dat_i),
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.m_wb_dat_o(m_wb_dat_o), .m_wb_cyc_o(m_wb_cyc_o), .m_wb_stb_o(m_wb_stb_o), .m_wb_ack_i(m_wb_ack_i),
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.m_wb_err_i(m_wb_err_i),
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mohor |
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mohor |
//TX
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.mtx_clk_pad_i(MTxClk), .mtxd_pad_o(MTxD), .mtxen_pad_o(MTxEn), .mtxerr_pad_o(MTxErr),
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mohor |
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mohor |
//RX
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.mrx_clk_pad_i(MRxClk), .mrxd_pad_i(MRxD), .mrxdv_pad_i(MRxDV), .mrxerr_pad_i(MRxErr),
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.mcoll_pad_i(MColl), .mcrs_pad_i(MCrs),
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// MIIM
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.mdc_pad_o(Mdc_O), .md_pad_i(Mdi_I), .md_pad_o(Mdo_O), .md_padoe_o(Mdo_OE),
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.int_o()
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);
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mohor |
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mohor |
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15 |
mohor |
initial
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begin
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WB_CLK_I = 1'b0;
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19 |
mohor |
WB_DAT_I = 32'h0;
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WB_ADR_I = 32'h0;
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WB_SEL_I = 4'h0;
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WB_WE_I = 1'b0;
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15 |
mohor |
WB_CYC_I = 1'b0;
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WB_STB_I = 1'b0;
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41 |
mohor |
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m_wb_ack_i = 0;
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m_wb_err_i = 0;
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15 |
mohor |
MTxClk = 1'b0;
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MRxClk = 1'b0;
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MRxD = 4'h0;
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MRxDV = 1'b0;
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MRxErr = 1'b0;
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MColl = 1'b0;
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MCrs = 1'b0;
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Mdi_I = 1'b0;
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WishboneBusy = 1'b0;
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TxBDIndex = 10'h0;
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RxBDIndex = 10'h0;
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285 |
108 |
mohor |
LogEnable = 1'b1;
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286 |
157 |
mohor |
g_last_txbd = 6'h0;
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287 |
15 |
mohor |
end
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288 |
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289 |
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290 |
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// Reset pulse
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291 |
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initial
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292 |
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begin
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293 |
41 |
mohor |
mcd1 = $fopen("ethernet_tx.log");
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294 |
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mcd2 = $fopen("ethernet_rx.log");
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295 |
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WB_RST_I = 1'b1;
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296 |
15 |
mohor |
#100 WB_RST_I = 1'b0;
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297 |
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#100 StartTB = 1'b1;
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298 |
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end
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299 |
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300 |
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301 |
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302 |
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// Generating WB_CLK_I clock
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303 |
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always
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304 |
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begin
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305 |
41 |
mohor |
// forever #2.5 WB_CLK_I = ~WB_CLK_I; // 2*2.5 ns -> 200.0 MHz
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306 |
19 |
mohor |
// forever #5 WB_CLK_I = ~WB_CLK_I; // 2*5 ns -> 100.0 MHz
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307 |
15 |
mohor |
// forever #10 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 50.0 MHz
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308 |
157 |
mohor |
forever #12.5 WB_CLK_I = ~WB_CLK_I; // 2*12.5 ns -> 40 MHz
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309 |
108 |
mohor |
// forever #15 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 33.3 MHz
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310 |
157 |
mohor |
// forever #20 WB_CLK_I = ~WB_CLK_I; // 2*20 ns -> 25 MHz
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311 |
41 |
mohor |
// forever #25 WB_CLK_I = ~WB_CLK_I; // 2*25 ns -> 20.0 MHz
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312 |
108 |
mohor |
// forever #31.25 WB_CLK_I = ~WB_CLK_I; // 2*31.25 ns -> 16.0 MHz
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313 |
41 |
mohor |
// forever #50 WB_CLK_I = ~WB_CLK_I; // 2*50 ns -> 10.0 MHz
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314 |
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// forever #55 WB_CLK_I = ~WB_CLK_I; // 2*55 ns -> 9.1 MHz
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315 |
15 |
mohor |
end
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316 |
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317 |
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// Generating MTxClk clock
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318 |
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always
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319 |
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begin
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320 |
108 |
mohor |
// #3 forever #20 MTxClk = ~MTxClk; // 2*20 ns -> 25 MHz
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321 |
|
|
#3 forever #200 MTxClk = ~MTxClk; // 2*200 ns -> 2.5 MHz
|
322 |
15 |
mohor |
end
|
323 |
|
|
|
324 |
|
|
// Generating MRxClk clock
|
325 |
|
|
always
|
326 |
|
|
begin
|
327 |
108 |
mohor |
// #16 forever #20 MRxClk = ~MRxClk; // 2*20 ns -> 25 MHz
|
328 |
157 |
mohor |
#16 forever #200 MRxClk = ~MRxClk; // 2*200 ns -> 2.5 MHz
|
329 |
|
|
// #16 forever #62.5 MRxClk = ~MRxClk; // 2*62.5 ns -> 8 MHz // just for testing purposes
|
330 |
15 |
mohor |
end
|
331 |
|
|
|
332 |
157 |
mohor |
|
333 |
15 |
mohor |
initial
|
334 |
|
|
begin
|
335 |
|
|
wait(StartTB); // Start of testbench
|
336 |
|
|
|
337 |
157 |
mohor |
// Reset eth MAC core
|
338 |
22 |
mohor |
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 1
|
339 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 0
|
340 |
15 |
mohor |
|
341 |
157 |
mohor |
InitializeMemory;
|
342 |
15 |
mohor |
|
343 |
157 |
mohor |
// Select which test you want to run:
|
344 |
|
|
// TestTxAndRx;
|
345 |
|
|
TestFullDuplex;
|
346 |
|
|
// TestUnicast;
|
347 |
|
|
// TestBroadcast;
|
348 |
|
|
// TestMulticast;
|
349 |
15 |
mohor |
end
|
350 |
157 |
mohor |
|
351 |
|
|
task TestTxAndRx;
|
352 |
15 |
mohor |
|
353 |
157 |
mohor |
integer ii, jj;
|
354 |
|
|
integer data_in, bd, pointer;
|
355 |
15 |
mohor |
|
356 |
157 |
mohor |
begin
|
357 |
|
|
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 1
|
358 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 0
|
359 |
|
|
WishboneWrite(32'h00000080, {26'h0, `ETH_TX_BD_NUM_ADR<<2}); // r_RxBDAddress = 0x80
|
360 |
15 |
mohor |
|
361 |
157 |
mohor |
// WishboneWrite(32'h0000a06b, {26'h0, `ETH_MODER_ADR<<2}); // RxEn, Txen, CrcEn, Pad en, half duplex,
|
362 |
|
|
WishboneWrite(32'h0000a46b, {26'h0, `ETH_MODER_ADR<<2}); // RxEn, Txen, CrcEn, Pad en, full duplex,
|
363 |
|
|
// WishboneWrite(32'h0001a06b, {26'h0, `ETH_MODER_ADR<<2}); // r_RecSmall, RxEn, Txen, CrcEn, Pad en, half duplex,
|
364 |
|
|
// r_IPG, promisc On, reject broadcast
|
365 |
15 |
mohor |
|
366 |
157 |
mohor |
WishboneWrite(32'h00000004, {26'h0, `ETH_CTRLMODER_ADR<<2}); //r_TxFlow = 1
|
367 |
15 |
mohor |
|
368 |
157 |
mohor |
WishboneWrite(32'h00000002, {26'h0, `ETH_MAC_ADDR1_ADR<<2}); // MAC = 000203040506
|
369 |
|
|
WishboneWrite(32'h03040506, {26'h0, `ETH_MAC_ADDR0_ADR<<2});
|
370 |
15 |
mohor |
|
371 |
157 |
mohor |
/*
|
372 |
|
|
// Just few reads
|
373 |
|
|
WishboneRead({26'h0, `ETH_MODER_ADR<<2}, data_in); // Read from ETH_MODER register
|
374 |
|
|
WishboneRead({26'h0, `ETH_TX_BD_NUM_ADR<<2}, data_in); // Read from ETH_TX_BD_NUM_ADR register
|
375 |
|
|
WishboneRead({26'h0, `ETH_MAC_ADDR1_ADR<<2}, data_in); // Read from ETH_MAC_ADDR1_ADR register
|
376 |
|
|
WishboneRead({26'h0, `ETH_MAC_ADDR0_ADR<<2}, data_in); // Read from ETH_MAC_ADDR0_ADR register
|
377 |
|
|
*/
|
378 |
15 |
mohor |
|
379 |
|
|
|
380 |
|
|
|
381 |
19 |
mohor |
|
382 |
157 |
mohor |
for(jj=0; jj<8; jj=jj+4)
|
383 |
|
|
begin
|
384 |
|
|
WishboneWriteData(`TX_BUF_BASE + jj, 32'h11111111, 4'hf); // Initializing data to ff
|
385 |
|
|
end
|
386 |
15 |
mohor |
|
387 |
157 |
mohor |
for(jj=0; jj<8; jj=jj+4)
|
388 |
15 |
mohor |
begin
|
389 |
157 |
mohor |
WishboneWriteData(`RX_BUF_BASE + jj, 32'h11111111, 4'hf); // Initializing data to ff
|
390 |
15 |
mohor |
end
|
391 |
|
|
|
392 |
157 |
mohor |
// SendPacketX(16'h0064, 1'b0, 2'h3);
|
393 |
|
|
// SendPacketX(16'h0064, 1'b0, 2'h2);
|
394 |
|
|
// SendPacketX(16'h0064, 1'b0, 2'h1);
|
395 |
|
|
// SendPacketX(16'h0064, 1'b0, 2'h0);
|
396 |
|
|
// SendPacket(16'h0064, 1'b0);
|
397 |
|
|
// SendPacket(16'h0011, 1'b0);
|
398 |
|
|
// SendPacket(16'h0012, 1'b0);
|
399 |
15 |
mohor |
|
400 |
157 |
mohor |
fork
|
401 |
|
|
begin
|
402 |
|
|
/*
|
403 |
|
|
SendPacketX(16'h0064, 1'b0, 2'h1);
|
404 |
|
|
SendPacketX(16'h0064, 1'b0, 2'h2);
|
405 |
|
|
SendPacketX(16'h0064, 1'b0, 2'h3);
|
406 |
|
|
SendPacketX(16'h0064, 1'b0, 2'h0);
|
407 |
|
|
*/
|
408 |
|
|
// SendPacketX(16'h264, 1'b0, 2'h3);
|
409 |
|
|
// SendPacketX(16'h64, 1'b0, 2'h3);
|
410 |
|
|
// SendPacketX(16'h104, 1'b0, 2'h3);
|
411 |
15 |
mohor |
end
|
412 |
|
|
|
413 |
|
|
begin
|
414 |
157 |
mohor |
ReceivePacketX(16'h0040, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
415 |
|
|
ReceivePacketX(16'h0041, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
416 |
|
|
ReceivePacketX(16'h0042, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
417 |
|
|
ReceivePacketX(16'h0043, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
418 |
|
|
ReceivePacketX(16'h0044, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
419 |
|
|
end
|
420 |
15 |
mohor |
|
421 |
157 |
mohor |
// begin
|
422 |
|
|
// for(ii=0; ii<10000; ii=ii+1)
|
423 |
|
|
// begin
|
424 |
|
|
// WishboneRead({22'h01, 10'b0}, data_in); // read back
|
425 |
|
|
// #100;
|
426 |
|
|
// end
|
427 |
|
|
// end
|
428 |
|
|
//join
|
429 |
15 |
mohor |
|
430 |
157 |
mohor |
//fork
|
431 |
|
|
/*
|
432 |
|
|
begin
|
433 |
|
|
repeat(4)
|
434 |
15 |
mohor |
begin
|
435 |
157 |
mohor |
wait(tb_eth_top.ethtop.wishbone.TxStatusWrite); // wait until tx status is written
|
436 |
|
|
@ (posedge WB_CLK_I)
|
437 |
|
|
#1;
|
438 |
15 |
mohor |
end
|
439 |
|
|
end
|
440 |
157 |
mohor |
*/
|
441 |
|
|
begin
|
442 |
|
|
wait(tb_eth_top.ethtop.wishbone.RxStatusWrite); // wait until rx status is written
|
443 |
|
|
end
|
444 |
15 |
mohor |
|
445 |
157 |
mohor |
join
|
446 |
15 |
mohor |
|
447 |
|
|
|
448 |
157 |
mohor |
/*
|
449 |
|
|
SendPacket(16'h0013, 1'b0);
|
450 |
|
|
SendPacket(16'h0014, 1'b0);
|
451 |
15 |
mohor |
|
452 |
157 |
mohor |
SendPacket(16'h0030, 1'b0);
|
453 |
|
|
SendPacket(16'h0031, 1'b0);
|
454 |
|
|
SendPacket(16'h0032, 1'b0);
|
455 |
|
|
SendPacket(16'h0033, 1'b0);
|
456 |
|
|
SendPacket(16'h0025, 1'b0);
|
457 |
|
|
SendPacket(16'h0045, 1'b0);
|
458 |
|
|
SendPacket(16'h0025, 1'b0);
|
459 |
|
|
SendPacket(16'h0017, 1'b0);
|
460 |
|
|
*/
|
461 |
15 |
mohor |
|
462 |
157 |
mohor |
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h3); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
463 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h2); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
464 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h1); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
465 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
466 |
15 |
mohor |
|
467 |
157 |
mohor |
// ReceivePacket(16'h0050, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
468 |
|
|
// ReceivePacket(16'h0051, 1'b0, `UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
469 |
|
|
// ReceivePacket(16'h0052, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
470 |
|
|
// ReceivePacket(16'h0053, 1'b0, `BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
471 |
|
|
// ReceivePacket(16'h0054, 1'b0, `UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
472 |
|
|
// ReceivePacket(16'h0055, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
473 |
|
|
// ReceivePacket(16'h0056, 1'b0, `UNICAST_WRONG_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
474 |
15 |
mohor |
|
475 |
|
|
|
476 |
157 |
mohor |
repeat(1000) @ (posedge MRxClk); // Waiting some time for all accesses to finish before reading out the statuses.
|
477 |
15 |
mohor |
|
478 |
157 |
mohor |
// WishboneRead({24'h04, (8'h0<<2)}, RxBD); // Read from TxBD register
|
479 |
|
|
// WishboneRead({24'h04, (8'h1<<2)}, RxBD); // Read from TxBD register
|
480 |
|
|
// WishboneRead({24'h04, (8'h2<<2)}, RxBD); // Read from TxBD register
|
481 |
|
|
// WishboneRead({24'h04, (8'h3<<2)}, RxBD); // Read from TxBD register
|
482 |
|
|
// WishboneRead({24'h04, (8'h4<<2)}, RxBD); // Read from TxBD register
|
483 |
15 |
mohor |
|
484 |
157 |
mohor |
for(jj=0; jj<3; jj=jj+1) // How many TxBD do we want to read?
|
485 |
15 |
mohor |
begin
|
486 |
157 |
mohor |
|
487 |
|
|
WishboneRead({22'h01, ((10'h0+jj[4:0]*2'h2)<<2)}, bd); // Read from TxBD
|
488 |
|
|
$display("\n(%0t)\t\tRead TxBD %0x = 0x%x", $time, jj, bd);
|
489 |
|
|
if(~bd[15]) // Ready = 0?
|
490 |
|
|
begin
|
491 |
|
|
WishboneRead({22'h01, ((10'h0+jj[4:0]*2'h2+1'h1)<<2)}, pointer); // Read TxBD pointer
|
492 |
|
|
$display("\t\t\tRead TxBDPointer 0x=%x", pointer);
|
493 |
|
|
$write("\t\t\tData:");
|
494 |
|
|
for(ii=0; ii<bd[31:16]; ii=ii+4)
|
495 |
|
|
begin
|
496 |
|
|
WishboneReadData({pointer[31:2], 2'h0}+ii, data_in); // Read data from Tx Pointer
|
497 |
|
|
$write("\t0x%x", data_in);
|
498 |
|
|
end
|
499 |
|
|
end
|
500 |
15 |
mohor |
end
|
501 |
|
|
|
502 |
|
|
|
503 |
157 |
mohor |
for(jj=0; jj<3; jj=jj+1) // How many RxBD do we want to read?
|
504 |
15 |
mohor |
begin
|
505 |
157 |
mohor |
|
506 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2)<<2)}, bd); // Read from RxBD
|
507 |
|
|
$display("\n(%0t)\t\tRead RxBD %0x = 0x%x", $time, jj, bd);
|
508 |
|
|
if(~bd[15]) // Empty = 0?
|
509 |
|
|
begin
|
510 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2+1'h1)<<2)}, pointer); // Read RxBD pointer
|
511 |
|
|
$display("\t\t\tRead RxBDPointer 0x=%x", pointer);
|
512 |
|
|
$write("\t\t\tData:");
|
513 |
|
|
for(ii=0; ii<bd[31:16]+4; ii=ii+4)
|
514 |
|
|
begin
|
515 |
|
|
WishboneReadData({pointer[31:2], 2'h0} + ii, data_in); // Read data from Rx Pointer
|
516 |
|
|
$write("\t0x%x", data_in);
|
517 |
|
|
end
|
518 |
|
|
end
|
519 |
15 |
mohor |
end
|
520 |
|
|
|
521 |
157 |
mohor |
WishboneRead({22'h01, (10'h81<<2)}, data_in); // Read from RxBD register
|
522 |
|
|
WishboneRead({22'h01, (10'h82<<2)}, data_in); // Read from RxBD register
|
523 |
|
|
WishboneRead({22'h01, (10'h83<<2)}, data_in); // Read from RxBD register
|
524 |
|
|
WishboneRead({22'h01, (10'h84<<2)}, data_in); // Read from RxBD register
|
525 |
|
|
WishboneRead({22'h01, (10'h85<<2)}, data_in); // Read from RxBD register
|
526 |
|
|
WishboneRead({22'h01, (10'h86<<2)}, data_in); // Read from RxBD register
|
527 |
|
|
WishboneRead({22'h01, (10'h87<<2)}, data_in); // Read from RxBD register
|
528 |
15 |
mohor |
|
529 |
|
|
|
530 |
|
|
|
531 |
157 |
mohor |
#100000 $stop;
|
532 |
|
|
end
|
533 |
|
|
endtask //TestTxAndRx
|
534 |
15 |
mohor |
|
535 |
|
|
|
536 |
|
|
|
537 |
|
|
|
538 |
|
|
|
539 |
157 |
mohor |
task TestFullDuplex;
|
540 |
108 |
mohor |
|
541 |
|
|
integer ii, jj;
|
542 |
|
|
integer data_in, bd, pointer;
|
543 |
157 |
mohor |
integer addr;
|
544 |
108 |
mohor |
|
545 |
51 |
billditt |
begin
|
546 |
66 |
mohor |
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 1
|
547 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR<<2}); // r_Rst = 0
|
548 |
|
|
WishboneWrite(32'h00000080, {26'h0, `ETH_TX_BD_NUM_ADR<<2}); // r_RxBDAddress = 0x80
|
549 |
51 |
billditt |
|
550 |
157 |
mohor |
WishboneWrite(32'h0000a40b, {26'h0, `ETH_MODER_ADR<<2}); // CrcEn, Pad en, full duplex, reject broadcast, RxEn, TxEn
|
551 |
51 |
billditt |
|
552 |
108 |
mohor |
WishboneWrite(32'h00000002, {26'h0, `ETH_MAC_ADDR1_ADR<<2}); // MAC = 000203040506
|
553 |
|
|
WishboneWrite(32'h03040506, {26'h0, `ETH_MAC_ADDR0_ADR<<2});
|
554 |
|
|
|
555 |
157 |
mohor |
initialize_txbd(5);
|
556 |
|
|
initialize_rxbd(6);
|
557 |
|
|
|
558 |
|
|
send_packet(48'h000123456789, 16'h0064);
|
559 |
108 |
mohor |
|
560 |
157 |
mohor |
|
561 |
|
|
/*
|
562 |
|
|
for(ii=0; ii<12; ii=ii+1) begin
|
563 |
|
|
addr = 32'h400 + ii*4;
|
564 |
|
|
WishboneRead(addr, data_in);
|
565 |
|
|
$display("\n(%0t)\t\tRead TxBD %0x = 0x%x", $time, ii, data_in);
|
566 |
|
|
end
|
567 |
108 |
mohor |
|
568 |
157 |
mohor |
for(ii=0; ii<14; ii=ii+1) begin
|
569 |
|
|
addr = 32'h600 + ii*4;
|
570 |
|
|
WishboneRead(addr, data_in);
|
571 |
|
|
$display("\n(%0t)\t\tRead RxBD %0x = 0x%x", $time, ii, data_in);
|
572 |
|
|
end
|
573 |
|
|
*/
|
574 |
108 |
mohor |
|
575 |
157 |
mohor |
// WishboneRead({22'h01, 10'b0}, data_in); // read back
|
576 |
|
|
// WishboneRead({22'h01, ((10'h0+jj[4:0]*2'h2)<<2)}, bd); // Read from TxBD
|
577 |
|
|
|
578 |
|
|
/*
|
579 |
|
|
for(jj=0; jj<8; jj=jj+4)
|
580 |
|
|
WishboneWriteData(`TX_BUF_BASE + jj, 32'h11111111, 4'hf); // Initializing data to ff
|
581 |
108 |
mohor |
|
582 |
157 |
mohor |
for(jj=0; jj<8; jj=jj+4)
|
583 |
|
|
WishboneWriteData(`RX_BUF_BASE + jj, 32'h11111111, 4'hf); // Initializing data to ff
|
584 |
108 |
mohor |
|
585 |
|
|
|
586 |
|
|
fork
|
587 |
|
|
begin
|
588 |
157 |
mohor |
SendPacketX(16'h0064, 1'b0, 2'h1);
|
589 |
|
|
SendPacketX(16'h0065, 1'b0, 2'h2);
|
590 |
|
|
SendPacketX(16'h0066, 1'b0, 2'h3);
|
591 |
|
|
SendPacketX(16'h0067, 1'b0, 2'h0);
|
592 |
108 |
mohor |
end
|
593 |
|
|
|
594 |
|
|
begin
|
595 |
|
|
ReceivePacketX(16'h0040, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
596 |
157 |
mohor |
ReceivePacketX(16'h0041, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
597 |
|
|
ReceivePacketX(16'h0042, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
598 |
|
|
ReceivePacketX(16'h0043, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
599 |
|
|
ReceivePacketX(16'h0044, 1'b0, `UNICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
600 |
108 |
mohor |
end
|
601 |
157 |
mohor |
*/
|
602 |
108 |
mohor |
|
603 |
157 |
mohor |
//fork
|
604 |
|
|
/*
|
605 |
108 |
mohor |
begin
|
606 |
157 |
mohor |
repeat(4)
|
607 |
|
|
begin
|
608 |
|
|
wait(tb_eth_top.ethtop.wishbone.TxStatusWrite); // wait until tx status is written
|
609 |
|
|
@ (posedge WB_CLK_I)
|
610 |
|
|
#1;
|
611 |
|
|
end
|
612 |
108 |
mohor |
end
|
613 |
157 |
mohor |
*/
|
614 |
|
|
|
615 |
|
|
/*
|
616 |
108 |
mohor |
begin
|
617 |
|
|
wait(tb_eth_top.ethtop.wishbone.RxStatusWrite); // wait until rx status is written
|
618 |
|
|
end
|
619 |
157 |
mohor |
|
620 |
108 |
mohor |
join
|
621 |
157 |
mohor |
*/
|
622 |
108 |
mohor |
|
623 |
|
|
/*
|
624 |
51 |
billditt |
SendPacket(16'h0013, 1'b0);
|
625 |
|
|
SendPacket(16'h0014, 1'b0);
|
626 |
15 |
mohor |
|
627 |
51 |
billditt |
SendPacket(16'h0030, 1'b0);
|
628 |
|
|
SendPacket(16'h0031, 1'b0);
|
629 |
|
|
SendPacket(16'h0032, 1'b0);
|
630 |
|
|
SendPacket(16'h0033, 1'b0);
|
631 |
|
|
SendPacket(16'h0025, 1'b0);
|
632 |
108 |
mohor |
SendPacket(16'h0045, 1'b0);
|
633 |
51 |
billditt |
SendPacket(16'h0025, 1'b0);
|
634 |
|
|
SendPacket(16'h0017, 1'b0);
|
635 |
108 |
mohor |
*/
|
636 |
41 |
mohor |
|
637 |
108 |
mohor |
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h3); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
638 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h2); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
639 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h1); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
640 |
|
|
// ReceivePacketX(16'h0050, 1'b0, `MULTICAST_XFR, 2'h0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
641 |
41 |
mohor |
|
642 |
108 |
mohor |
// ReceivePacket(16'h0050, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
643 |
|
|
// ReceivePacket(16'h0051, 1'b0, `UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
644 |
|
|
// ReceivePacket(16'h0052, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
645 |
|
|
// ReceivePacket(16'h0053, 1'b0, `BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
646 |
|
|
// ReceivePacket(16'h0054, 1'b0, `UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
647 |
|
|
// ReceivePacket(16'h0055, 1'b0, `MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
648 |
|
|
// ReceivePacket(16'h0056, 1'b0, `UNICAST_WRONG_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
649 |
49 |
mohor |
|
650 |
51 |
billditt |
|
651 |
108 |
mohor |
repeat(1000) @ (posedge MRxClk); // Waiting some time for all accesses to finish before reading out the statuses.
|
652 |
51 |
billditt |
|
653 |
108 |
mohor |
// WishboneRead({24'h04, (8'h0<<2)}, RxBD); // Read from TxBD register
|
654 |
|
|
// WishboneRead({24'h04, (8'h1<<2)}, RxBD); // Read from TxBD register
|
655 |
|
|
// WishboneRead({24'h04, (8'h2<<2)}, RxBD); // Read from TxBD register
|
656 |
|
|
// WishboneRead({24'h04, (8'h3<<2)}, RxBD); // Read from TxBD register
|
657 |
|
|
// WishboneRead({24'h04, (8'h4<<2)}, RxBD); // Read from TxBD register
|
658 |
66 |
mohor |
|
659 |
157 |
mohor |
/*
|
660 |
108 |
mohor |
for(jj=0; jj<3; jj=jj+1) // How many TxBD do we want to read?
|
661 |
|
|
begin
|
662 |
|
|
|
663 |
|
|
WishboneRead({22'h01, ((10'h0+jj[4:0]*2'h2)<<2)}, bd); // Read from TxBD
|
664 |
|
|
$display("\n(%0t)\t\tRead TxBD %0x = 0x%x", $time, jj, bd);
|
665 |
|
|
if(~bd[15]) // Ready = 0?
|
666 |
|
|
begin
|
667 |
|
|
WishboneRead({22'h01, ((10'h0+jj[4:0]*2'h2+1'h1)<<2)}, pointer); // Read TxBD pointer
|
668 |
|
|
$display("\t\t\tRead TxBDPointer 0x=%x", pointer);
|
669 |
|
|
$write("\t\t\tData:");
|
670 |
|
|
for(ii=0; ii<bd[31:16]; ii=ii+4)
|
671 |
|
|
begin
|
672 |
|
|
WishboneReadData({pointer[31:2], 2'h0}+ii, data_in); // Read data from Tx Pointer
|
673 |
|
|
$write("\t0x%x", data_in);
|
674 |
|
|
end
|
675 |
|
|
end
|
676 |
|
|
end
|
677 |
|
|
|
678 |
|
|
|
679 |
|
|
for(jj=0; jj<3; jj=jj+1) // How many RxBD do we want to read?
|
680 |
|
|
begin
|
681 |
|
|
|
682 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2)<<2)}, bd); // Read from RxBD
|
683 |
|
|
$display("\n(%0t)\t\tRead RxBD %0x = 0x%x", $time, jj, bd);
|
684 |
|
|
if(~bd[15]) // Empty = 0?
|
685 |
|
|
begin
|
686 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2+1'h1)<<2)}, pointer); // Read RxBD pointer
|
687 |
|
|
$display("\t\t\tRead RxBDPointer 0x=%x", pointer);
|
688 |
|
|
$write("\t\t\tData:");
|
689 |
|
|
for(ii=0; ii<bd[31:16]+4; ii=ii+4)
|
690 |
|
|
begin
|
691 |
|
|
WishboneReadData({pointer[31:2], 2'h0} + ii, data_in); // Read data from Rx Pointer
|
692 |
|
|
$write("\t0x%x", data_in);
|
693 |
|
|
end
|
694 |
|
|
end
|
695 |
|
|
end
|
696 |
|
|
|
697 |
|
|
WishboneRead({22'h01, (10'h81<<2)}, data_in); // Read from RxBD register
|
698 |
|
|
WishboneRead({22'h01, (10'h82<<2)}, data_in); // Read from RxBD register
|
699 |
|
|
WishboneRead({22'h01, (10'h83<<2)}, data_in); // Read from RxBD register
|
700 |
|
|
WishboneRead({22'h01, (10'h84<<2)}, data_in); // Read from RxBD register
|
701 |
|
|
WishboneRead({22'h01, (10'h85<<2)}, data_in); // Read from RxBD register
|
702 |
|
|
WishboneRead({22'h01, (10'h86<<2)}, data_in); // Read from RxBD register
|
703 |
|
|
WishboneRead({22'h01, (10'h87<<2)}, data_in); // Read from RxBD register
|
704 |
157 |
mohor |
*/
|
705 |
108 |
mohor |
|
706 |
|
|
|
707 |
51 |
billditt |
#100000 $stop;
|
708 |
66 |
mohor |
end
|
709 |
157 |
mohor |
endtask //TestFullDuplex
|
710 |
51 |
billditt |
|
711 |
66 |
mohor |
|
712 |
157 |
mohor |
|
713 |
|
|
task initialize_txbd;
|
714 |
|
|
input [6:0] txbd_num;
|
715 |
|
|
|
716 |
|
|
integer i, j;
|
717 |
|
|
integer bd_status_addr, buf_addr, bd_ptr_addr;
|
718 |
|
|
|
719 |
|
|
for(i=0; i<txbd_num; i=i+1) begin
|
720 |
|
|
buf_addr = `TX_BUF_BASE + i * 32'h600;
|
721 |
|
|
bd_status_addr = `TX_BD_BASE + i * 8;
|
722 |
|
|
bd_ptr_addr = bd_status_addr + 4;
|
723 |
|
|
|
724 |
|
|
// Initializing BD - status
|
725 |
|
|
if(i==txbd_num-1)
|
726 |
|
|
WishboneWrite(32'h00007800, bd_status_addr); // last BD: + WRAP
|
727 |
|
|
else
|
728 |
|
|
WishboneWrite(32'h00005800, bd_status_addr); // IRQ + PAD + CRC
|
729 |
|
|
|
730 |
|
|
WishboneWrite(buf_addr, bd_ptr_addr); // Initializing BD - pointer
|
731 |
|
|
end
|
732 |
|
|
endtask // initialize_txbd
|
733 |
|
|
|
734 |
|
|
|
735 |
|
|
task initialize_rxbd;
|
736 |
|
|
input [6:0] rxbd_num;
|
737 |
|
|
|
738 |
|
|
integer i, j;
|
739 |
|
|
integer bd_status_addr, buf_addr, bd_ptr_addr;
|
740 |
|
|
|
741 |
|
|
for(i=0; i<rxbd_num; i=i+1) begin
|
742 |
|
|
buf_addr = `RX_BUF_BASE + i * 32'h600;
|
743 |
|
|
bd_status_addr = `RX_BD_BASE + i * 8;
|
744 |
|
|
bd_ptr_addr = bd_status_addr + 4;
|
745 |
|
|
|
746 |
|
|
// Initializing BD - status
|
747 |
|
|
if(i==rxbd_num-1)
|
748 |
|
|
WishboneWrite(32'h0000e000, bd_status_addr); // last BD: + WRAP
|
749 |
|
|
else
|
750 |
|
|
WishboneWrite(32'h0000c000, bd_status_addr); // IRQ + PAD + CRC
|
751 |
|
|
|
752 |
|
|
WishboneWrite(buf_addr, bd_ptr_addr); // Initializing BD - pointer
|
753 |
|
|
end
|
754 |
|
|
endtask // initialize_rxbd
|
755 |
|
|
|
756 |
|
|
|
757 |
|
|
|
758 |
|
|
|
759 |
|
|
|
760 |
|
|
|
761 |
108 |
mohor |
reg [7:0] LateCollisionCounter;
|
762 |
|
|
reg EnableCollisionCounter;
|
763 |
|
|
// Making a late collision
|
764 |
|
|
|
765 |
|
|
initial
|
766 |
|
|
EnableCollisionCounter =0; // Collision = OFF
|
767 |
|
|
|
768 |
|
|
always @ (posedge MTxClk)
|
769 |
|
|
begin
|
770 |
|
|
if(tb_eth_top.ethtop.wishbone.TxStartFrm)
|
771 |
|
|
begin
|
772 |
|
|
LateCollisionCounter = 0;
|
773 |
|
|
end
|
774 |
|
|
else
|
775 |
|
|
if(EnableCollisionCounter)
|
776 |
|
|
LateCollisionCounter = LateCollisionCounter + 1;
|
777 |
|
|
end
|
778 |
|
|
|
779 |
|
|
// Making a late collision
|
780 |
|
|
always @ (posedge MTxClk)
|
781 |
|
|
begin
|
782 |
|
|
if(LateCollisionCounter==0)
|
783 |
|
|
MColl = 0;
|
784 |
|
|
else
|
785 |
|
|
if(LateCollisionCounter==150)
|
786 |
|
|
MColl = 1;
|
787 |
|
|
else
|
788 |
|
|
if(LateCollisionCounter==155)
|
789 |
|
|
begin
|
790 |
|
|
MColl = 0;
|
791 |
|
|
MCrs = 0;
|
792 |
|
|
EnableCollisionCounter=0;
|
793 |
|
|
LateCollisionCounter=1;
|
794 |
|
|
end
|
795 |
|
|
end
|
796 |
|
|
|
797 |
|
|
|
798 |
|
|
// Switching Carrier Sense ON and OFF
|
799 |
|
|
always @ (posedge MTxClk)
|
800 |
|
|
begin
|
801 |
|
|
wait(tb_eth_top.ethtop.wishbone.TxStartFrm);
|
802 |
|
|
MCrs=1;
|
803 |
|
|
wait(tb_eth_top.ethtop.wishbone.TxEndFrm || !MCrs);
|
804 |
|
|
MCrs=0;
|
805 |
|
|
end
|
806 |
|
|
|
807 |
|
|
|
808 |
51 |
billditt |
task TestUnicast;
|
809 |
108 |
mohor |
|
810 |
|
|
integer ii, jj;
|
811 |
|
|
integer data_in, bd, pointer;
|
812 |
|
|
|
813 |
51 |
billditt |
begin
|
814 |
|
|
$display("\nBegin TestUnicast \n");
|
815 |
|
|
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 1
|
816 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 0
|
817 |
|
|
WishboneWrite(32'h00000080, {26'h0, `ETH_TX_BD_NUM_ADR, 2'h0}); // r_RxBDAddress = 0x80
|
818 |
108 |
mohor |
WishboneWrite(32'h0000204b, {26'h0, `ETH_MODER_ADR, 2'h0}); // RxEn, Txen, CrcEn, no Pad, r_IFG, promisc off, broadcast off
|
819 |
|
|
WishboneWrite(32'h00000004, {26'h0, `ETH_CTRLMODER_ADR, 2'h0}); // r_TxFlow = 1
|
820 |
51 |
billditt |
|
821 |
66 |
mohor |
$display("\n This Uniicast packet will be rejected, wrong address in MAC Address Regs\n");
|
822 |
51 |
billditt |
|
823 |
66 |
mohor |
ReceivePacket(16'h0014, 1'b0,`UNICAST_XFR);
|
824 |
51 |
billditt |
|
825 |
108 |
mohor |
WishboneWrite(32'h03040506, {26'h0,`ETH_MAC_ADDR0_ADR ,2'h0}); // Mac Address
|
826 |
|
|
WishboneWrite(32'h00000002, {26'h0,`ETH_MAC_ADDR1_ADR ,2'h0}); // Mac Address
|
827 |
51 |
billditt |
|
828 |
|
|
$display("\n Set Proper Unicast Address in MAC_ADDRESS regs, resend packet\n");
|
829 |
|
|
|
830 |
66 |
mohor |
ReceivePacket(16'h0015, 1'b0,`UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
831 |
108 |
mohor |
ReceivePacket(16'h0016, 1'b0,`MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
832 |
66 |
mohor |
ReceivePacket(16'h0017, 1'b0,`UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
833 |
108 |
mohor |
ReceivePacket(16'h0018, 1'b0,`BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
834 |
|
|
ReceivePacket(16'h0019, 1'b0,`UNICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
835 |
41 |
mohor |
|
836 |
|
|
repeat(5000) @ (posedge MRxClk); // Waiting some time for all accesses to finish before reading out the statuses.
|
837 |
|
|
|
838 |
108 |
mohor |
WishboneRead({26'h0, `ETH_MODER_ADR}, data_in); // Read from MODER register
|
839 |
41 |
mohor |
|
840 |
108 |
mohor |
WishboneRead({22'h01, (10'h80<<2)}, data_in); // Read from RxBD register
|
841 |
|
|
WishboneRead({22'h01, (10'h81<<2)}, data_in); // Read from RxBD register
|
842 |
|
|
WishboneRead({22'h01, (10'h82<<2)}, data_in); // Read from RxBD register
|
843 |
|
|
WishboneRead({22'h01, (10'h83<<2)}, data_in); // Read from RxBD register
|
844 |
|
|
WishboneRead({22'h01, (10'h84<<2)}, data_in); // Read from RxBD register
|
845 |
|
|
WishboneRead({22'h01, (10'h85<<2)}, data_in); // Read from RxBD register
|
846 |
|
|
WishboneRead({22'h01, (10'h86<<2)}, data_in); // Read from RxBD register
|
847 |
|
|
WishboneRead({22'h01, (10'h87<<2)}, data_in); // Read from RxBD register
|
848 |
|
|
WishboneRead({22'h01, (10'h88<<2)}, data_in); // Read from RxBD register
|
849 |
|
|
WishboneRead({22'h01, (10'h89<<2)}, data_in); // Read from RxBD register
|
850 |
|
|
|
851 |
|
|
|
852 |
|
|
for(jj=0; jj<5; jj=jj+1) // How many RxBD do we want to read?
|
853 |
|
|
begin
|
854 |
|
|
|
855 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2)<<2)}, bd); // Read from RxBD
|
856 |
|
|
$display("\n(%0t)\t\tRead RxBD %0x = 0x%x", $time, jj, bd);
|
857 |
|
|
if(~bd[15]) // Empty = 0?
|
858 |
|
|
begin
|
859 |
|
|
WishboneRead({22'h01, ((10'h80+jj[4:0]*2'h2+1'h1)<<2)}, pointer); // Read RxBD pointer
|
860 |
|
|
$display("\t\t\tRead RxBDPointer 0x=%x", pointer);
|
861 |
|
|
$write("\t\t\tData:");
|
862 |
|
|
for(ii=0; ii<bd[31:16]+4; ii=ii+4)
|
863 |
|
|
begin
|
864 |
|
|
WishboneReadData({pointer[31:2], 2'h0} + ii, data_in); // Read data from Rx Pointer
|
865 |
|
|
$write("\t0x%x", data_in);
|
866 |
|
|
end
|
867 |
|
|
end
|
868 |
|
|
end
|
869 |
|
|
|
870 |
|
|
|
871 |
51 |
billditt |
|
872 |
|
|
#100000 $stop;
|
873 |
|
|
$display("\nEnd TestUnicast \n");
|
874 |
|
|
end
|
875 |
|
|
endtask //TestUnicast
|
876 |
41 |
mohor |
|
877 |
51 |
billditt |
task TestMulticast;
|
878 |
108 |
mohor |
|
879 |
|
|
integer data_in;
|
880 |
|
|
|
881 |
51 |
billditt |
begin
|
882 |
|
|
$display("\nBegin TestMulticast \n");
|
883 |
|
|
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 1
|
884 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 0
|
885 |
|
|
WishboneWrite(32'h00000080, {26'h0, `ETH_TX_BD_NUM_ADR, 2'h0}); // r_RxBDAddress = 0x80
|
886 |
66 |
mohor |
WishboneWrite(32'h00002043, {26'h0, `ETH_MODER_ADR, 2'h0}); // RxEn, Txen, CrcEn, No Pad, r_IFG, promiscuos off, broadcast enable
|
887 |
|
|
WishboneWrite(32'h00000004, {26'h0, `ETH_CTRLMODER_ADR, 2'h0}); // r_TxFlow = 1
|
888 |
51 |
billditt |
|
889 |
66 |
mohor |
$display("\n This Multicast packet will be rejected by Hash Filter\n");
|
890 |
51 |
billditt |
|
891 |
66 |
mohor |
ReceivePacket(16'h0014, 1'b0,`MULTICAST_XFR);
|
892 |
51 |
billditt |
|
893 |
|
|
WishboneWrite(32'h00400000, {26'h0, `ETH_HASH1_ADR,2'h0}); // set bit 16, multicast hash 36
|
894 |
108 |
mohor |
WishboneRead({26'h0, `ETH_HASH1_ADR, 2'h0}, data_in); // read back
|
895 |
51 |
billditt |
|
896 |
|
|
$display("\n Set Hash Filter to accept this Multicast packet, resend packet\n");
|
897 |
|
|
|
898 |
66 |
mohor |
ReceivePacket(16'h0015, 1'b0,`MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
899 |
|
|
ReceivePacket(16'h0016, 1'b0,`MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
900 |
|
|
ReceivePacket(16'h0017, 1'b0,`MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
901 |
|
|
ReceivePacket(16'h0018, 1'b0,`MULTICAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
902 |
51 |
billditt |
|
903 |
|
|
repeat(5000) @ (posedge MRxClk); // Waiting some time for all accesses to finish before reading out the statuses.
|
904 |
|
|
|
905 |
108 |
mohor |
WishboneRead({26'h0, `ETH_MODER_ADR}, data_in); // Read from MODER register
|
906 |
51 |
billditt |
|
907 |
108 |
mohor |
WishboneRead({22'h01, (10'h80<<2)}, data_in); // Read from RxBD register
|
908 |
|
|
WishboneRead({22'h01, (10'h81<<2)}, data_in); // Read from RxBD register
|
909 |
|
|
WishboneRead({22'h01, (10'h82<<2)}, data_in); // Read from RxBD register
|
910 |
|
|
WishboneRead({22'h01, (10'h83<<2)}, data_in); // Read from RxBD register
|
911 |
|
|
WishboneRead({22'h01, (10'h84<<2)}, data_in); // Read from RxBD register
|
912 |
|
|
WishboneRead({22'h01, (10'h85<<2)}, data_in); // Read from RxBD register
|
913 |
|
|
WishboneRead({22'h01, (10'h86<<2)}, data_in); // Read from RxBD register
|
914 |
|
|
WishboneRead({22'h01, (10'h87<<2)}, data_in); // Read from RxBD register
|
915 |
|
|
|
916 |
66 |
mohor |
$display("\nEnd TestMulticast \n");
|
917 |
108 |
mohor |
#100000 $stop;
|
918 |
41 |
mohor |
end
|
919 |
51 |
billditt |
endtask //TestMulticast
|
920 |
41 |
mohor |
|
921 |
|
|
|
922 |
51 |
billditt |
task TestBroadcast;
|
923 |
108 |
mohor |
|
924 |
|
|
integer data_in;
|
925 |
|
|
|
926 |
51 |
billditt |
begin
|
927 |
66 |
mohor |
$display("\n\n\nBegin TestBroadcast");
|
928 |
51 |
billditt |
WishboneWrite(32'h00000800, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 1
|
929 |
|
|
WishboneWrite(32'h00000000, {26'h0, `ETH_MODER_ADR, 2'h0}); // r_Rst = 0
|
930 |
|
|
WishboneWrite(32'h00000080, {26'h0, `ETH_TX_BD_NUM_ADR, 2'h0}); // r_RxBDAddress = 0x80
|
931 |
41 |
mohor |
|
932 |
66 |
mohor |
WishboneWrite(32'h0000A04b, {26'h0, `ETH_MODER_ADR, 2'h0}); // PadEn, CrcEn, IFG=accept, Reject Broadcast, TxEn, RxEn
|
933 |
|
|
WishboneWrite(32'h00000004, {26'h0, `ETH_CTRLMODER_ADR, 2'h0}); // r_TxFlow = 1
|
934 |
51 |
billditt |
|
935 |
66 |
mohor |
$display("\nThis Broadcast packet will be rejected, r_BRO = 1");
|
936 |
|
|
ReceivePacket(16'h0014, 1'b0,`BROADCAST_XFR);
|
937 |
51 |
billditt |
|
938 |
66 |
mohor |
$display("\nSet r_Bro = 0, resend packet");
|
939 |
|
|
WishboneWrite(32'h0000A043, {26'h0, `ETH_MODER_ADR, 2'h0}); // PadEn, CrcEn, IFG=accept, Accept Broadcast, TxEn, RxEn
|
940 |
|
|
ReceivePacket(16'h0015, 1'b0,`BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
941 |
51 |
billditt |
|
942 |
66 |
mohor |
$display("\n This Broadcast packet will be rejected, r_BRO = 1");
|
943 |
|
|
WishboneWrite(32'h0000A04b, {26'h0, `ETH_MODER_ADR, 2'h0}); // PadEn, CrcEn, IFG=accept, Reject Broadcast, TxEn, RxEn
|
944 |
|
|
ReceivePacket(16'h0016, 1'b0,`BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
945 |
|
|
ReceivePacket(16'h0017, 1'b0,`BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
946 |
51 |
billditt |
|
947 |
66 |
mohor |
$display("\n Set r_Bro = 0, resend packet");
|
948 |
|
|
WishboneWrite(32'h0000A043, {26'h0, `ETH_MODER_ADR, 2'h0}); // PadEn, CrcEn, IFG=accept, Accept Broadcast, TxEn, RxEn
|
949 |
|
|
ReceivePacket(16'h0018, 1'b0,`BROADCAST_XFR); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
950 |
51 |
billditt |
|
951 |
|
|
repeat(5000) @ (posedge MRxClk); // Waiting some time for all accesses to finish before reading out the statuses.
|
952 |
|
|
|
953 |
108 |
mohor |
WishboneRead({26'h0, `ETH_MODER_ADR}, data_in); // Read from MODER register
|
954 |
51 |
billditt |
|
955 |
108 |
mohor |
WishboneRead({22'h01, (10'h80<<2)}, data_in); // Read from RxBD register
|
956 |
|
|
WishboneRead({22'h01, (10'h81<<2)}, data_in); // Read from RxBD register
|
957 |
|
|
WishboneRead({22'h01, (10'h82<<2)}, data_in); // Read from RxBD register
|
958 |
|
|
WishboneRead({22'h01, (10'h83<<2)}, data_in); // Read from RxBD register
|
959 |
|
|
WishboneRead({22'h01, (10'h84<<2)}, data_in); // Read from RxBD register
|
960 |
|
|
WishboneRead({22'h01, (10'h85<<2)}, data_in); // Read from RxBD register
|
961 |
|
|
WishboneRead({22'h01, (10'h86<<2)}, data_in); // Read from RxBD register
|
962 |
|
|
WishboneRead({22'h01, (10'h87<<2)}, data_in); // Read from RxBD register
|
963 |
51 |
billditt |
|
964 |
|
|
#100000 $stop;
|
965 |
|
|
$display("\nEnd TestBroadcast \n");
|
966 |
|
|
end
|
967 |
|
|
endtask //TestBroadcast
|
968 |
|
|
|
969 |
|
|
|
970 |
41 |
mohor |
always @ (posedge WB_CLK_I)
|
971 |
|
|
begin
|
972 |
|
|
if(m_wb_cyc_o & m_wb_stb_o) // Add valid address range
|
973 |
|
|
begin
|
974 |
157 |
mohor |
repeat(2) @ (posedge WB_CLK_I);
|
975 |
41 |
mohor |
begin
|
976 |
66 |
mohor |
m_wb_ack_i <=#Tp 1'b1;
|
977 |
41 |
mohor |
if(~m_wb_we_o)
|
978 |
|
|
begin
|
979 |
108 |
mohor |
#Tp;
|
980 |
|
|
if(m_wb_adr_o[1:0] == 2'b00) // word access
|
981 |
|
|
begin
|
982 |
|
|
m_wb_dat_i[31:24] = memory3[{m_wb_adr_o[31:2], 2'h0}];
|
983 |
|
|
m_wb_dat_i[23:16] = memory2[{m_wb_adr_o[31:2], 2'h0}];
|
984 |
|
|
m_wb_dat_i[15:08] = memory1[{m_wb_adr_o[31:2], 2'h0}];
|
985 |
|
|
m_wb_dat_i[07:00] = memory0[{m_wb_adr_o[31:2], 2'h0}];
|
986 |
|
|
end
|
987 |
|
|
else if(m_wb_adr_o[1:0] == 2'b10) // half access
|
988 |
|
|
begin
|
989 |
|
|
m_wb_dat_i[31:24] = 0;
|
990 |
|
|
m_wb_dat_i[23:16] = 0;
|
991 |
|
|
m_wb_dat_i[15:08] = memory1[{m_wb_adr_o[31:2], 2'h0}];
|
992 |
|
|
m_wb_dat_i[07:00] = memory0[{m_wb_adr_o[31:2], 2'h0}];
|
993 |
|
|
end
|
994 |
|
|
else if(m_wb_adr_o[1:0] == 2'b01) // byte access
|
995 |
|
|
begin
|
996 |
|
|
m_wb_dat_i[31:24] = 0;
|
997 |
|
|
m_wb_dat_i[23:16] = memory2[{m_wb_adr_o[31:2], 2'h0}];
|
998 |
|
|
m_wb_dat_i[15:08] = 0;
|
999 |
|
|
m_wb_dat_i[07:00] = 0;
|
1000 |
|
|
end
|
1001 |
|
|
else if(m_wb_adr_o[1:0] == 2'b11) // byte access
|
1002 |
|
|
begin
|
1003 |
|
|
m_wb_dat_i[31:24] = 0;
|
1004 |
|
|
m_wb_dat_i[23:16] = 0;
|
1005 |
|
|
m_wb_dat_i[15:08] = 0;
|
1006 |
|
|
m_wb_dat_i[07:00] = memory0[{m_wb_adr_o[31:2], 2'h0}];
|
1007 |
|
|
end
|
1008 |
|
|
|
1009 |
41 |
mohor |
$fdisplay(mcd1, "(%0t) master read (0x%0x) = 0x%0x", $time, m_wb_adr_o, m_wb_dat_i);
|
1010 |
|
|
end
|
1011 |
|
|
else
|
1012 |
108 |
mohor |
begin
|
1013 |
|
|
$fdisplay(mcd2, "(%0t) master write (0x%0x) = 0x%0x", $time, m_wb_adr_o, m_wb_dat_o);
|
1014 |
|
|
if(m_wb_sel_o[0])
|
1015 |
|
|
memory0[m_wb_adr_o] = m_wb_dat_o[7:0];
|
1016 |
|
|
if(m_wb_sel_o[1])
|
1017 |
|
|
memory1[m_wb_adr_o] = m_wb_dat_o[15:8];
|
1018 |
|
|
if(m_wb_sel_o[2])
|
1019 |
|
|
memory2[m_wb_adr_o] = m_wb_dat_o[23:16];
|
1020 |
|
|
if(m_wb_sel_o[3])
|
1021 |
|
|
memory3[m_wb_adr_o] = m_wb_dat_o[31:24];
|
1022 |
|
|
end
|
1023 |
41 |
mohor |
end
|
1024 |
|
|
@ (posedge WB_CLK_I);
|
1025 |
|
|
m_wb_ack_i <=#Tp 1'b0;
|
1026 |
|
|
end
|
1027 |
|
|
end
|
1028 |
|
|
|
1029 |
108 |
mohor |
|
1030 |
|
|
|
1031 |
|
|
// Detecting ram_oe and ram_we being active at the same time
|
1032 |
41 |
mohor |
always @ (posedge WB_CLK_I)
|
1033 |
|
|
begin
|
1034 |
108 |
mohor |
if(tb_eth_top.ethtop.wishbone.ram_we & tb_eth_top.ethtop.wishbone.ram_oe)
|
1035 |
|
|
begin
|
1036 |
|
|
$display("\n\n(%0t)ERROR: ram_we and ram_oe both activated at the same time", $time);
|
1037 |
|
|
#1000;
|
1038 |
|
|
$stop;
|
1039 |
|
|
end
|
1040 |
41 |
mohor |
end
|
1041 |
|
|
|
1042 |
108 |
mohor |
|
1043 |
|
|
|
1044 |
|
|
|
1045 |
41 |
mohor |
always @ (posedge WB_CLK_I)
|
1046 |
|
|
if(tb_eth_top.ethtop.wishbone.RxStatusWrite)
|
1047 |
|
|
$fdisplay(mcd2, ""); // newline added
|
1048 |
|
|
|
1049 |
|
|
task WishboneWrite;
|
1050 |
|
|
input [31:0] Data;
|
1051 |
|
|
input [31:0] Address;
|
1052 |
|
|
integer ii;
|
1053 |
|
|
|
1054 |
|
|
begin
|
1055 |
|
|
wait (~WishboneBusy);
|
1056 |
|
|
WishboneBusy = 1;
|
1057 |
|
|
@ (posedge WB_CLK_I);
|
1058 |
|
|
#1;
|
1059 |
|
|
WB_ADR_I = Address;
|
1060 |
|
|
WB_DAT_I = Data;
|
1061 |
|
|
WB_WE_I = 1'b1;
|
1062 |
|
|
WB_CYC_I = 1'b1;
|
1063 |
|
|
WB_STB_I = 1'b1;
|
1064 |
|
|
WB_SEL_I = 4'hf;
|
1065 |
|
|
|
1066 |
|
|
|
1067 |
|
|
wait(WB_ACK_O); // waiting for acknowledge response
|
1068 |
|
|
|
1069 |
|
|
// Writing information about the access to the screen
|
1070 |
|
|
@ (posedge WB_CLK_I);
|
1071 |
108 |
mohor |
if(LogEnable)
|
1072 |
|
|
begin
|
1073 |
41 |
mohor |
if(~Address[11] & ~Address[10])
|
1074 |
|
|
$write("\n(%0t) Write to register (Data: 0x%x, Reg. Addr: 0x%0x)", $time, Data, Address);
|
1075 |
|
|
else
|
1076 |
|
|
if(~Address[11] & Address[10])
|
1077 |
|
|
if(Address[9:2] < tb_eth_top.ethtop.r_TxBDNum)
|
1078 |
|
|
begin
|
1079 |
|
|
$write("\n(%0t) Write to TxBD (Data: 0x%x, TxBD Addr: 0x%0x)", $time, Data, Address);
|
1080 |
66 |
mohor |
if(Address[9:2] == tb_eth_top.ethtop.r_TxBDNum-2'h2)
|
1081 |
|
|
$write("(%0t) Send Control packet\n", $time);
|
1082 |
41 |
mohor |
end
|
1083 |
|
|
else
|
1084 |
|
|
$write("\n(%0t) Write to RxBD (Data: 0x%x, RxBD Addr: 0x%0x)", $time, Data, Address);
|
1085 |
|
|
else
|
1086 |
|
|
$write("\n(%0t) WB write ?????????????? Data: 0x%x Addr: 0x%0x", $time, Data, Address);
|
1087 |
108 |
mohor |
end
|
1088 |
|
|
|
1089 |
41 |
mohor |
#1;
|
1090 |
|
|
WB_ADR_I = 32'hx;
|
1091 |
|
|
WB_DAT_I = 32'hx;
|
1092 |
|
|
WB_WE_I = 1'bx;
|
1093 |
|
|
WB_CYC_I = 1'b0;
|
1094 |
|
|
WB_STB_I = 1'b0;
|
1095 |
|
|
WB_SEL_I = 4'hx;
|
1096 |
|
|
#5 WishboneBusy = 0;
|
1097 |
|
|
end
|
1098 |
|
|
endtask
|
1099 |
|
|
|
1100 |
|
|
|
1101 |
|
|
task WishboneRead;
|
1102 |
|
|
input [31:0] Address;
|
1103 |
108 |
mohor |
output[31:0] data;
|
1104 |
41 |
mohor |
|
1105 |
|
|
begin
|
1106 |
|
|
wait (~WishboneBusy);
|
1107 |
|
|
WishboneBusy = 1;
|
1108 |
|
|
@ (posedge WB_CLK_I);
|
1109 |
|
|
#1;
|
1110 |
|
|
WB_ADR_I = Address;
|
1111 |
|
|
WB_WE_I = 1'b0;
|
1112 |
|
|
WB_CYC_I = 1'b1;
|
1113 |
|
|
WB_STB_I = 1'b1;
|
1114 |
|
|
WB_SEL_I = 4'hf;
|
1115 |
108 |
mohor |
#3;
|
1116 |
41 |
mohor |
wait(WB_ACK_O); // waiting for acknowledge response
|
1117 |
|
|
@ (posedge WB_CLK_I);
|
1118 |
108 |
mohor |
data = WB_DAT_O;
|
1119 |
41 |
mohor |
if(~Address[11] & ~Address[10])
|
1120 |
108 |
mohor |
// $write("\n(%0t) Read from register (Data: 0x%x, Reg. Addr: 0x%0x)", $time, WB_DAT_O, Address);
|
1121 |
|
|
$write("\n(%0t) Read from register (Data: 0x%x, Reg. Addr: 0x%0x)", $time, data, Address);
|
1122 |
41 |
mohor |
else
|
1123 |
|
|
if(~Address[11] & Address[10])
|
1124 |
|
|
if(Address[9:2] < tb_eth_top.ethtop.r_TxBDNum)
|
1125 |
108 |
mohor |
// ; //$write("\n(%0t) Read from TxBD (Data: 0x%x, TxBD Addr: 0x%0x)", $time, WB_DAT_O, Address);
|
1126 |
|
|
; //$write("\n(%0t) Read from TxBD (Data: 0x%x, TxBD Addr: 0x%0x)", $time, data, Address);
|
1127 |
41 |
mohor |
else
|
1128 |
108 |
mohor |
// ;//$write("\n(%0t) Read from RxBD (Data: 0x%x, RxBD Addr: 0x%0x)", $time, WB_DAT_O, Address);
|
1129 |
|
|
;//$write("\n(%0t) Read from RxBD (Data: 0x%x, RxBD Addr: 0x%0x)", $time, data, Address);
|
1130 |
41 |
mohor |
else
|
1131 |
108 |
mohor |
// $write("\n(%0t) WB read ????????? Data: 0x%x Addr: 0x%0x", $time, WB_DAT_O, Address);
|
1132 |
|
|
$write("\n(%0t) WB read ????????? Data: 0x%x Addr: 0x%0x", $time, data, Address);
|
1133 |
41 |
mohor |
#1;
|
1134 |
|
|
WB_ADR_I = 32'hx;
|
1135 |
|
|
WB_WE_I = 1'bx;
|
1136 |
|
|
WB_CYC_I = 1'b0;
|
1137 |
|
|
WB_STB_I = 1'b0;
|
1138 |
|
|
WB_SEL_I = 4'hx;
|
1139 |
|
|
#5 WishboneBusy = 0;
|
1140 |
|
|
end
|
1141 |
|
|
endtask
|
1142 |
|
|
|
1143 |
|
|
|
1144 |
|
|
|
1145 |
108 |
mohor |
task WishboneReadData;
|
1146 |
|
|
input [31:0] Address;
|
1147 |
|
|
output[31:0] data;
|
1148 |
41 |
mohor |
|
1149 |
108 |
mohor |
begin
|
1150 |
|
|
@ (posedge WB_CLK_I);
|
1151 |
|
|
data = {memory3[Address], memory2[Address], memory1[Address], memory0[Address]};
|
1152 |
|
|
#5;
|
1153 |
|
|
end
|
1154 |
|
|
endtask
|
1155 |
|
|
|
1156 |
|
|
|
1157 |
|
|
task WishboneWriteData;
|
1158 |
|
|
input [31:0] Address;
|
1159 |
|
|
input [31:0] data;
|
1160 |
|
|
input [3:0] Select;
|
1161 |
|
|
|
1162 |
|
|
begin
|
1163 |
|
|
@ (posedge WB_CLK_I);
|
1164 |
|
|
if(Select[0])
|
1165 |
|
|
memory0[Address] = data[7:0];
|
1166 |
|
|
if(Select[1])
|
1167 |
|
|
memory1[Address] = data[15:8];
|
1168 |
|
|
if(Select[2])
|
1169 |
|
|
memory2[Address] = data[23:16];
|
1170 |
|
|
if(Select[3])
|
1171 |
|
|
memory3[Address] = data[31:24];
|
1172 |
|
|
// $display("\n(%0t) Write data to memory (Data: 0x%x, Addr: 0x%0x)", $time, data, Address);
|
1173 |
|
|
#5;
|
1174 |
|
|
end
|
1175 |
|
|
endtask
|
1176 |
|
|
|
1177 |
|
|
|
1178 |
|
|
|
1179 |
|
|
|
1180 |
41 |
mohor |
task SendPacket;
|
1181 |
|
|
input [15:0] Length;
|
1182 |
|
|
input ControlFrame;
|
1183 |
|
|
reg Wrap;
|
1184 |
|
|
reg [31:0] TempAddr;
|
1185 |
|
|
reg [31:0] TempData;
|
1186 |
108 |
mohor |
reg [31:0] kk;
|
1187 |
41 |
mohor |
|
1188 |
|
|
begin
|
1189 |
|
|
// if(TxBDIndex == 6) // Only 3 buffer descriptors are used
|
1190 |
|
|
// Wrap = 1'b1;
|
1191 |
|
|
// else
|
1192 |
|
|
Wrap = 1'b0; // At the moment no wrap bit is set
|
1193 |
|
|
|
1194 |
|
|
|
1195 |
108 |
mohor |
// Writing data to buffer
|
1196 |
|
|
for(kk=0; kk<Length; kk=kk+4)
|
1197 |
|
|
begin
|
1198 |
|
|
TempAddr = `TX_BUF_BASE + TxBDIndex * 32'h600 + kk;
|
1199 |
|
|
TempData = {kk[7:0], kk[7:0]+2'h1, kk[7:0]+2'h2, kk[7:0]+2'h3};
|
1200 |
|
|
WishboneWriteData(TempAddr, TempData, 4'hf); // Writing Data to buffer that is pointed by the BD
|
1201 |
|
|
end
|
1202 |
|
|
|
1203 |
41 |
mohor |
|
1204 |
108 |
mohor |
// Writing buffer pointer
|
1205 |
|
|
TempAddr = {22'h01, ((TxBDIndex*2'h2 + 1'b1)<<2)};
|
1206 |
|
|
TempData = `TX_BUF_BASE + TxBDIndex * 32'h600; // 1536 bytes is reserved for one frame
|
1207 |
|
|
WishboneWrite(TempData, TempAddr); // Writing Tx pointer
|
1208 |
41 |
mohor |
|
1209 |
108 |
mohor |
TempAddr = {22'h01, ((TxBDIndex*2'h2)<<2)};
|
1210 |
41 |
mohor |
TempData = {Length[15:0], 1'b1, 1'b0, Wrap, 3'h0, ControlFrame, 1'b0, TxBDIndex[7:0]}; // Ready and Wrap = 1
|
1211 |
|
|
|
1212 |
|
|
#1;
|
1213 |
|
|
// if(TxBDIndex == 6) // Only 4 buffer descriptors are used
|
1214 |
|
|
// TxBDIndex = 0;
|
1215 |
|
|
// else
|
1216 |
108 |
mohor |
TxBDIndex = TxBDIndex + 1;
|
1217 |
41 |
mohor |
|
1218 |
|
|
WishboneWrite(TempData, TempAddr); // Writing status to TxBD
|
1219 |
|
|
end
|
1220 |
|
|
endtask
|
1221 |
|
|
|
1222 |
|
|
|
1223 |
|
|
|
1224 |
108 |
mohor |
task SendPacketX;
|
1225 |
|
|
input [15:0] Length;
|
1226 |
|
|
input ControlFrame;
|
1227 |
|
|
input [1:0] AddrOffset;
|
1228 |
|
|
reg Wrap;
|
1229 |
|
|
reg [31:0] TempAddr;
|
1230 |
|
|
reg [31:0] TempData;
|
1231 |
|
|
reg [31:0] kk;
|
1232 |
|
|
reg [3:0] Select;
|
1233 |
|
|
|
1234 |
|
|
begin
|
1235 |
|
|
Wrap = 1'b0;
|
1236 |
|
|
|
1237 |
|
|
case(AddrOffset)
|
1238 |
|
|
2'h0 : Select = 4'hf;
|
1239 |
|
|
2'h1 : Select = 4'h7;
|
1240 |
|
|
2'h2 : Select = 4'h3;
|
1241 |
|
|
2'h3 : Select = 4'h1;
|
1242 |
|
|
endcase
|
1243 |
|
|
|
1244 |
|
|
// Writing data to buffer
|
1245 |
|
|
for(kk=0; kk<Length+4; kk=kk+4) // Length+4 is because we might start up to 3 bytes later
|
1246 |
|
|
begin
|
1247 |
|
|
if(kk>0)
|
1248 |
|
|
Select = 4'hf;
|
1249 |
|
|
TempAddr = `TX_BUF_BASE + TxBDIndex * 32'h600 + kk;
|
1250 |
|
|
TempData = {kk[7:0]+3'h1, kk[7:0]+3'h2, kk[7:0]+3'h3, kk[7:0]+3'h4};
|
1251 |
|
|
WishboneWriteData(TempAddr, TempData, Select); // Writing Data to buffer that is pointed by the BD
|
1252 |
|
|
end
|
1253 |
|
|
|
1254 |
|
|
|
1255 |
|
|
// Writing buffer pointer
|
1256 |
|
|
TempAddr = {22'h01, ((TxBDIndex*2'h2 + 1'b1)<<2)};
|
1257 |
|
|
TempData = `TX_BUF_BASE + TxBDIndex * 32'h600 + AddrOffset; // 1536 bytes is reserved for one frame
|
1258 |
|
|
WishboneWrite(TempData, TempAddr); // Writing Tx pointer
|
1259 |
|
|
|
1260 |
|
|
TempAddr = {22'h01, ((TxBDIndex*2'h2)<<2)};
|
1261 |
|
|
TempData = {Length[15:0], 1'b1, 1'b1, Wrap, 3'h0, ControlFrame, 1'b0, TxBDIndex[7:0]}; // Ready, interrupt and Wrap = 1
|
1262 |
|
|
|
1263 |
|
|
#1;
|
1264 |
|
|
if(Wrap)
|
1265 |
|
|
TxBDIndex = 0;
|
1266 |
|
|
else
|
1267 |
|
|
TxBDIndex = TxBDIndex + 1;
|
1268 |
|
|
|
1269 |
|
|
WishboneWrite(TempData, TempAddr); // Writing status to TxBD
|
1270 |
|
|
end
|
1271 |
|
|
endtask
|
1272 |
|
|
|
1273 |
|
|
|
1274 |
157 |
mohor |
task send_packet;
|
1275 |
|
|
input [47:0] dest_addr;
|
1276 |
|
|
input [15:0] length;
|
1277 |
108 |
mohor |
|
1278 |
157 |
mohor |
reg [31:0] BD, ptr;
|
1279 |
|
|
reg [31:0] i;
|
1280 |
|
|
reg [2:0] increment;
|
1281 |
|
|
|
1282 |
|
|
reg [31:0] TempAddr;
|
1283 |
|
|
reg [31:0] TempData;
|
1284 |
|
|
reg [15:0] kk;
|
1285 |
|
|
reg [3:0] Select;
|
1286 |
|
|
|
1287 |
|
|
begin
|
1288 |
|
|
bd_status_addr = `TX_BD_BASE + g_last_txbd * 8;
|
1289 |
|
|
|
1290 |
|
|
mama
|
1291 |
|
|
WishboneRead(bd_status_addr, BD); // Read BD
|
1292 |
|
|
WishboneRead(bd_status_addr+4, ptr); // Read buffer pointer
|
1293 |
|
|
|
1294 |
|
|
case(ptr[1:0])
|
1295 |
|
|
2'h0 : begin Select = 4'hf; increment = 3'h4 end
|
1296 |
|
|
2'h1 : begin Select = 4'h7; increment = 3'h3 end
|
1297 |
|
|
2'h2 : begin Select = 4'h3; increment = 3'h2 end
|
1298 |
|
|
2'h3 : begin Select = 4'h1; increment = 3'h1 end
|
1299 |
|
|
endcase
|
1300 |
|
|
|
1301 |
|
|
// Writing data to buffer
|
1302 |
|
|
for(i=ptr; i<(length+ptr); i=i+increment) // (i=0; i<length; i=i+increment)
|
1303 |
|
|
begin
|
1304 |
|
|
if(i>ptr) // After first write all accesses are word accesses
|
1305 |
|
|
begin Select = 4'hf; increment=3'h4; end
|
1306 |
|
|
|
1307 |
|
|
TempAddr = `TX_BUF_BASE + TxBDIndex * 32'h600 + kk;
|
1308 |
|
|
TempData = {i[7:0]+3'h1, i[7:0]+3'h2, i[7:0]+3'h3, i[7:0]+3'h4};
|
1309 |
|
|
mama
|
1310 |
|
|
WishboneWriteData(TempAddr, TempData, Select); // Writing Data to buffer that is pointed by the BD
|
1311 |
|
|
end
|
1312 |
|
|
|
1313 |
|
|
|
1314 |
|
|
// Writing buffer pointer
|
1315 |
|
|
TempAddr = {22'h01, ((TxBDIndex*2'h2 + 1'b1)<<2)};
|
1316 |
|
|
TempData = `TX_BUF_BASE + TxBDIndex * 32'h600 + AddrOffset; // 1536 bytes is reserved for one frame
|
1317 |
|
|
WishboneWrite(TempData, TempAddr); // Writing Tx pointer
|
1318 |
|
|
|
1319 |
|
|
TempAddr = {22'h01, ((TxBDIndex*2'h2)<<2)};
|
1320 |
|
|
TempData = {length[15:0], 1'b1, 1'b1, Wrap, 3'h0, ControlFrame, 1'b0, TxBDIndex[7:0]}; // Ready, interrupt and Wrap = 1
|
1321 |
|
|
|
1322 |
|
|
#1;
|
1323 |
|
|
if(Wrap)
|
1324 |
|
|
TxBDIndex = 0;
|
1325 |
|
|
else
|
1326 |
|
|
TxBDIndex = TxBDIndex + 1;
|
1327 |
|
|
|
1328 |
|
|
WishboneWrite(TempData, TempAddr); // Writing status to TxBD
|
1329 |
|
|
|
1330 |
|
|
if(BD & 32'h2000) // Wrap bit set ?
|
1331 |
|
|
g_last_txbd = 0;
|
1332 |
|
|
else
|
1333 |
|
|
g_last_txbd = g_last_txbd+1;
|
1334 |
|
|
|
1335 |
|
|
end
|
1336 |
|
|
endtask // send_packet
|
1337 |
|
|
|
1338 |
|
|
|
1339 |
41 |
mohor |
task ReceivePacket; // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
1340 |
|
|
input [15:0] LengthRx;
|
1341 |
|
|
input RxControlFrame;
|
1342 |
51 |
billditt |
input [31:0] TransferType; //Broadcast,Unicast,Multicast
|
1343 |
41 |
mohor |
reg WrapRx;
|
1344 |
|
|
reg [31:0] TempRxAddr;
|
1345 |
108 |
mohor |
// reg [31:0] TempRxData;
|
1346 |
|
|
integer TempRxData;
|
1347 |
41 |
mohor |
reg abc;
|
1348 |
|
|
begin
|
1349 |
|
|
// if(RxBDIndex == 6) // Only 3 buffer descriptors are used
|
1350 |
|
|
// WrapRx = 1'b1;
|
1351 |
|
|
// else
|
1352 |
|
|
WrapRx = 1'b0;
|
1353 |
|
|
|
1354 |
108 |
mohor |
TempRxAddr = {22'h01, ((tb_eth_top.ethtop.r_TxBDNum + RxBDIndex*2'h2 + 1'b1)<<2)};
|
1355 |
|
|
TempRxData = `RX_BUF_BASE + RxBDIndex * 32'h600; // 1536 bytes is reserved for one frame
|
1356 |
41 |
mohor |
WishboneWrite(TempRxData, TempRxAddr); // Writing Rx pointer
|
1357 |
|
|
|
1358 |
108 |
mohor |
TempRxAddr = {22'h01, ((tb_eth_top.ethtop.r_TxBDNum + RxBDIndex*2'h2)<<2)};
|
1359 |
41 |
mohor |
TempRxData = {16'h0, 1'b1, 1'b0, WrapRx, 5'h0, RxBDIndex[7:0]}; // Ready and WrapRx = 1 or 0
|
1360 |
|
|
|
1361 |
|
|
#1;
|
1362 |
|
|
// if(RxBDIndex == 6) // Only 4 buffer descriptors are used
|
1363 |
|
|
// RxBDIndex = 0;
|
1364 |
|
|
// else
|
1365 |
108 |
mohor |
RxBDIndex = RxBDIndex + 1;
|
1366 |
41 |
mohor |
|
1367 |
|
|
abc=1;
|
1368 |
|
|
WishboneWrite(TempRxData, TempRxAddr); // Writing status to RxBD
|
1369 |
|
|
abc=0;
|
1370 |
|
|
|
1371 |
|
|
begin
|
1372 |
|
|
#200;
|
1373 |
|
|
if(RxControlFrame)
|
1374 |
|
|
GetControlDataOnMRxD(LengthRx); // LengthRx = PAUSE timer value.
|
1375 |
|
|
else
|
1376 |
66 |
mohor |
GetDataOnMRxD(LengthRx, TransferType); // LengthRx bytes is comming on MRxD[3:0] signals
|
1377 |
41 |
mohor |
end
|
1378 |
|
|
|
1379 |
|
|
end
|
1380 |
|
|
endtask
|
1381 |
|
|
|
1382 |
|
|
|
1383 |
108 |
mohor |
task ReceivePacketX; // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
1384 |
|
|
input [15:0] LengthRx;
|
1385 |
|
|
input RxControlFrame;
|
1386 |
|
|
input [31:0] TransferType; //Broadcast,Unicast,Multicast
|
1387 |
|
|
input [1:0] AddrOffset;
|
1388 |
|
|
reg WrapRx;
|
1389 |
|
|
reg [31:0] TempRxAddr;
|
1390 |
|
|
integer TempRxData;
|
1391 |
|
|
reg abc;
|
1392 |
|
|
begin
|
1393 |
|
|
WrapRx = 1'b0;
|
1394 |
|
|
|
1395 |
|
|
TempRxAddr = {22'h01, ((tb_eth_top.ethtop.r_TxBDNum + RxBDIndex*2'h2 + 1'b1)<<2)};
|
1396 |
|
|
TempRxData = `RX_BUF_BASE + RxBDIndex * 32'h600 + AddrOffset; // 1536 bytes is reserved for one frame
|
1397 |
|
|
WishboneWrite(TempRxData, TempRxAddr); // Writing Rx pointer
|
1398 |
|
|
|
1399 |
|
|
TempRxAddr = {22'h01, ((tb_eth_top.ethtop.r_TxBDNum + RxBDIndex*2'h2)<<2)};
|
1400 |
|
|
TempRxData = {16'h0, 1'b1, 1'b1, WrapRx, 5'h0, RxBDIndex[7:0]}; // Ready, interrupt and WrapRx = 1 or 0
|
1401 |
|
|
|
1402 |
|
|
#1;
|
1403 |
|
|
RxBDIndex = RxBDIndex + 1;
|
1404 |
|
|
|
1405 |
|
|
abc=1;
|
1406 |
|
|
WishboneWrite(TempRxData, TempRxAddr); // Writing status to RxBD
|
1407 |
|
|
abc=0;
|
1408 |
|
|
|
1409 |
|
|
begin
|
1410 |
|
|
#200;
|
1411 |
|
|
if(RxControlFrame)
|
1412 |
|
|
GetControlDataOnMRxD(LengthRx); // LengthRx = PAUSE timer value.
|
1413 |
|
|
else
|
1414 |
|
|
GetDataOnMRxD(LengthRx, TransferType); // LengthRx bytes is comming on MRxD[3:0] signals
|
1415 |
|
|
end
|
1416 |
|
|
|
1417 |
|
|
end
|
1418 |
|
|
endtask
|
1419 |
|
|
|
1420 |
|
|
|
1421 |
41 |
mohor |
task GetDataOnMRxD;
|
1422 |
|
|
input [15:0] Len;
|
1423 |
51 |
billditt |
input [31:0] TransferType;
|
1424 |
41 |
mohor |
integer tt;
|
1425 |
|
|
|
1426 |
|
|
begin
|
1427 |
|
|
@ (posedge MRxClk);
|
1428 |
|
|
MRxDV=1'b1;
|
1429 |
|
|
|
1430 |
|
|
for(tt=0; tt<15; tt=tt+1)
|
1431 |
|
|
begin
|
1432 |
|
|
MRxD=4'h5; // preamble
|
1433 |
|
|
@ (posedge MRxClk);
|
1434 |
|
|
end
|
1435 |
|
|
MRxD=4'hd; // SFD
|
1436 |
51 |
billditt |
|
1437 |
|
|
for(tt=1; tt<(Len+1); tt=tt+1)
|
1438 |
|
|
|
1439 |
41 |
mohor |
begin
|
1440 |
51 |
billditt |
|
1441 |
41 |
mohor |
@ (posedge MRxClk);
|
1442 |
51 |
billditt |
if(TransferType == `UNICAST_XFR && tt == 1)
|
1443 |
|
|
MRxD= 4'h0; // Unicast transfer
|
1444 |
|
|
else if(TransferType == `BROADCAST_XFR && tt < 7)
|
1445 |
|
|
MRxD = 4'hf;
|
1446 |
|
|
else
|
1447 |
|
|
MRxD=tt[3:0]; // Multicast transfer
|
1448 |
66 |
mohor |
|
1449 |
|
|
@ (posedge MRxClk);
|
1450 |
51 |
billditt |
|
1451 |
|
|
if(TransferType == `BROADCAST_XFR && tt < 7)
|
1452 |
|
|
MRxD = 4'hf;
|
1453 |
|
|
else
|
1454 |
|
|
MRxD=tt[7:4];
|
1455 |
41 |
mohor |
end
|
1456 |
51 |
billditt |
|
1457 |
41 |
mohor |
@ (posedge MRxClk);
|
1458 |
|
|
MRxDV=1'b0;
|
1459 |
|
|
end
|
1460 |
|
|
endtask
|
1461 |
|
|
|
1462 |
|
|
|
1463 |
|
|
task GetControlDataOnMRxD;
|
1464 |
|
|
input [15:0] Timer;
|
1465 |
|
|
reg [127:0] Packet;
|
1466 |
|
|
reg [127:0] Data;
|
1467 |
|
|
reg [31:0] Crc;
|
1468 |
|
|
integer tt;
|
1469 |
|
|
|
1470 |
|
|
begin
|
1471 |
66 |
mohor |
Packet = 128'h10082C000010_deadbeef0013_8880_0010; // 0180c2000001 + 8808 + 0001
|
1472 |
41 |
mohor |
Crc = 32'h6014fe08; // not a correct value
|
1473 |
|
|
|
1474 |
|
|
@ (posedge MRxClk);
|
1475 |
|
|
MRxDV=1'b1;
|
1476 |
|
|
|
1477 |
|
|
for(tt=0; tt<15; tt=tt+1)
|
1478 |
|
|
begin
|
1479 |
|
|
MRxD=4'h5; // preamble
|
1480 |
|
|
@ (posedge MRxClk);
|
1481 |
|
|
end
|
1482 |
|
|
MRxD=4'hd; // SFD
|
1483 |
|
|
|
1484 |
|
|
for(tt=0; tt<32; tt=tt+1)
|
1485 |
|
|
begin
|
1486 |
|
|
Data = Packet << (tt*4);
|
1487 |
|
|
@ (posedge MRxClk);
|
1488 |
|
|
MRxD=Data[127:124];
|
1489 |
|
|
end
|
1490 |
|
|
|
1491 |
|
|
for(tt=0; tt<2; tt=tt+1) // timer
|
1492 |
|
|
begin
|
1493 |
|
|
Data[15:0] = Timer << (tt*8);
|
1494 |
|
|
@ (posedge MRxClk);
|
1495 |
|
|
MRxD=Data[11:8];
|
1496 |
|
|
@ (posedge MRxClk);
|
1497 |
|
|
MRxD=Data[15:12];
|
1498 |
|
|
end
|
1499 |
|
|
|
1500 |
|
|
for(tt=0; tt<42; tt=tt+1) // padding
|
1501 |
|
|
begin
|
1502 |
|
|
Data[7:0] = 8'h0;
|
1503 |
|
|
@ (posedge MRxClk);
|
1504 |
|
|
MRxD=Data[3:0];
|
1505 |
|
|
@ (posedge MRxClk);
|
1506 |
|
|
MRxD=Data[3:0];
|
1507 |
|
|
end
|
1508 |
|
|
|
1509 |
|
|
for(tt=0; tt<4; tt=tt+1) // crc
|
1510 |
|
|
begin
|
1511 |
|
|
Data[31:0] = Crc << (tt*8);
|
1512 |
|
|
@ (posedge MRxClk);
|
1513 |
|
|
MRxD=Data[27:24];
|
1514 |
|
|
@ (posedge MRxClk);
|
1515 |
|
|
MRxD=Data[31:28];
|
1516 |
|
|
end
|
1517 |
|
|
|
1518 |
|
|
|
1519 |
|
|
|
1520 |
|
|
@ (posedge MRxClk);
|
1521 |
|
|
MRxDV=1'b0;
|
1522 |
|
|
end
|
1523 |
|
|
endtask
|
1524 |
66 |
mohor |
|
1525 |
|
|
task InitializeMemory;
|
1526 |
|
|
reg [9:0] mem_addr;
|
1527 |
|
|
|
1528 |
|
|
begin
|
1529 |
108 |
mohor |
LogEnable = 1'b0;
|
1530 |
|
|
$display("\n\n(%0t) Initializing Memory...", $time);
|
1531 |
66 |
mohor |
for(mem_addr=0; mem_addr<=10'h0ff; mem_addr=mem_addr+1'b1)
|
1532 |
|
|
WishboneWrite(32'h0, {22'h01, mem_addr<<2}); // Writing status to RxBD
|
1533 |
108 |
mohor |
LogEnable = 1'b1;
|
1534 |
66 |
mohor |
end
|
1535 |
|
|
endtask
|
1536 |
|
|
|
1537 |
|
|
|
1538 |
41 |
mohor |
|
1539 |
|
|
|
1540 |
15 |
mohor |
endmodule
|