?? tb_ethernet_with_cop.v
字號(hào):
//
`include "tb_eth_defines.v"
`include "eth_defines.v"
`include "timescale.v"
module tb_ethernet_with_cop();
parameter Tp = 1;
reg wb_clk_o;
reg wb_rst_o;
reg mtx_clk;
reg mrx_clk;
wire [3:0] MTxD;
wire MTxEn;
wire MTxErr;
reg [3:0] MRxD; // This goes to PHY
reg MRxDV; // This goes to PHY
reg MRxErr; // This goes to PHY
reg MColl; // This goes to PHY
reg MCrs; // This goes to PHY
wire Mdi_I;
wire Mdo_O;
wire Mdo_OE;
wire Mdc_O;
integer tx_log;
integer rx_log;
reg StartTB;
`ifdef ETH_XILINX_RAMB4
reg gsr;
`endif
integer packet_ready_cnt, send_packet_cnt;
// Ethernet Slave Interface signals
wire [31:0] eth_sl_wb_adr_i, eth_sl_wb_dat_o, eth_sl_wb_dat_i;
wire [3:0] eth_sl_wb_sel_i;
wire eth_sl_wb_we_i, eth_sl_wb_cyc_i, eth_sl_wb_stb_i, eth_sl_wb_ack_o, eth_sl_wb_err_o;
// Memory Slave Interface signals
wire [31:0] mem_sl_wb_adr_i, mem_sl_wb_dat_o, mem_sl_wb_dat_i;
wire [3:0] mem_sl_wb_sel_i;
wire mem_sl_wb_we_i, mem_sl_wb_cyc_i, mem_sl_wb_stb_i, mem_sl_wb_ack_o, mem_sl_wb_err_o;
// Ethernet Master Interface signals
wire [31:0] eth_ma_wb_adr_o, eth_ma_wb_dat_i, eth_ma_wb_dat_o;
wire [3:0] eth_ma_wb_sel_o;
wire eth_ma_wb_we_o, eth_ma_wb_cyc_o, eth_ma_wb_stb_o, eth_ma_wb_ack_i, eth_ma_wb_err_i;
`ifdef ETH_WISHBONE_B3
wire [2:0] eth_ma_wb_cti_o;
wire [1:0] eth_ma_wb_bte_o;
`endif
// Host Master Interface signals
wire [31:0] host_ma_wb_adr_o, host_ma_wb_dat_i, host_ma_wb_dat_o;
wire [3:0] host_ma_wb_sel_o;
wire host_ma_wb_we_o, host_ma_wb_cyc_o, host_ma_wb_stb_o, host_ma_wb_ack_i, host_ma_wb_err_i;
eth_cop i_eth_cop
(
// WISHBONE common
.wb_clk_i(wb_clk_o), .wb_rst_i(wb_rst_o),
// WISHBONE MASTER 1 Ethernet Master Interface is connected here
.m1_wb_adr_i(eth_ma_wb_adr_o), .m1_wb_sel_i(eth_ma_wb_sel_o), .m1_wb_we_i (eth_ma_wb_we_o),
.m1_wb_dat_o(eth_ma_wb_dat_i), .m1_wb_dat_i(eth_ma_wb_dat_o), .m1_wb_cyc_i(eth_ma_wb_cyc_o),
.m1_wb_stb_i(eth_ma_wb_stb_o), .m1_wb_ack_o(eth_ma_wb_ack_i), .m1_wb_err_o(eth_ma_wb_err_i),
// WISHBONE MASTER 2 Host Interface is connected here
.m2_wb_adr_i(host_ma_wb_adr_o), .m2_wb_sel_i(host_ma_wb_sel_o), .m2_wb_we_i (host_ma_wb_we_o),
.m2_wb_dat_o(host_ma_wb_dat_i), .m2_wb_dat_i(host_ma_wb_dat_o), .m2_wb_cyc_i(host_ma_wb_cyc_o),
.m2_wb_stb_i(host_ma_wb_stb_o), .m2_wb_ack_o(host_ma_wb_ack_i), .m2_wb_err_o(host_ma_wb_err_i),
// WISHBONE slave 1 Ethernet Slave Interface is connected here
.s1_wb_adr_o(eth_sl_wb_adr_i), .s1_wb_sel_o(eth_sl_wb_sel_i), .s1_wb_we_o (eth_sl_wb_we_i),
.s1_wb_cyc_o(eth_sl_wb_cyc_i), .s1_wb_stb_o(eth_sl_wb_stb_i), .s1_wb_ack_i(eth_sl_wb_ack_o),
.s1_wb_err_i(eth_sl_wb_err_o), .s1_wb_dat_i(eth_sl_wb_dat_o), .s1_wb_dat_o(eth_sl_wb_dat_i),
// WISHBONE slave 2 Memory Interface is connected here
.s2_wb_adr_o(mem_sl_wb_adr_i), .s2_wb_sel_o(mem_sl_wb_sel_i), .s2_wb_we_o (mem_sl_wb_we_i),
.s2_wb_cyc_o(mem_sl_wb_cyc_i), .s2_wb_stb_o(mem_sl_wb_stb_i), .s2_wb_ack_i(mem_sl_wb_ack_o),
.s2_wb_err_i(mem_sl_wb_err_o), .s2_wb_dat_i(mem_sl_wb_dat_o), .s2_wb_dat_o(mem_sl_wb_dat_i)
);
// Connecting Ethernet top module
eth_top ethtop
(
// WISHBONE common
.wb_clk_i(wb_clk_o), .wb_rst_i(wb_rst_o),
// WISHBONE slave
.wb_adr_i(eth_sl_wb_adr_i[11:2]), .wb_sel_i(eth_sl_wb_sel_i), .wb_we_i(eth_sl_wb_we_i),
.wb_cyc_i(eth_sl_wb_cyc_i), .wb_stb_i(eth_sl_wb_stb_i), .wb_ack_o(eth_sl_wb_ack_o),
.wb_err_o(eth_sl_wb_err_o), .wb_dat_i(eth_sl_wb_dat_i), .wb_dat_o(eth_sl_wb_dat_o),
// WISHBONE master
.m_wb_adr_o(eth_ma_wb_adr_o), .m_wb_sel_o(eth_ma_wb_sel_o), .m_wb_we_o(eth_ma_wb_we_o),
.m_wb_dat_i(eth_ma_wb_dat_i), .m_wb_dat_o(eth_ma_wb_dat_o), .m_wb_cyc_o(eth_ma_wb_cyc_o),
.m_wb_stb_o(eth_ma_wb_stb_o), .m_wb_ack_i(eth_ma_wb_ack_i), .m_wb_err_i(eth_ma_wb_err_i),
`ifdef ETH_WISHBONE_B3
.m_wb_cti_o(eth_ma_wb_cti_o), .m_wb_bte_o(eth_ma_wb_bte_o),
`endif
//TX
.mtx_clk_pad_i(mtx_clk), .mtxd_pad_o(MTxD), .mtxen_pad_o(MTxEn), .mtxerr_pad_o(MTxErr),
//RX
.mrx_clk_pad_i(mrx_clk), .mrxd_pad_i(MRxD), .mrxdv_pad_i(MRxDV), .mrxerr_pad_i(MRxErr),
.mcoll_pad_i(MColl), .mcrs_pad_i(MCrs),
// MIIM
.mdc_pad_o(Mdc_O), .md_pad_i(Mdi_I), .md_pad_o(Mdo_O), .md_padoe_o(Mdo_OE),
.int_o()
// Bist
`ifdef ETH_BIST
,
.scanb_rst (1'b0),
.scanb_clk (1'b0),
.scanb_si (1'b0),
.scanb_so (),
.scanb_en (1'b0)
`endif
);
// Connecting Memory Interface Module
eth_memory i_eth_memory
(
// WISHBONE common
.wb_clk_i(wb_clk_o), .wb_rst_i(wb_rst_o),
// WISHBONE slave: Memory Interface is connected here
.wb_adr_i(mem_sl_wb_adr_i), .wb_sel_i(mem_sl_wb_sel_i), .wb_we_i (mem_sl_wb_we_i),
.wb_cyc_i(mem_sl_wb_cyc_i), .wb_stb_i(mem_sl_wb_stb_i), .wb_ack_o(mem_sl_wb_ack_o),
.wb_err_o(mem_sl_wb_err_o), .wb_dat_o(mem_sl_wb_dat_o), .wb_dat_i(mem_sl_wb_dat_i)
);
// Connecting Host Interface
eth_host eth_host
(
// WISHBONE common
.wb_clk_i(wb_clk_o), .wb_rst_i(wb_rst_o),
// WISHBONE master
.wb_adr_o(host_ma_wb_adr_o), .wb_sel_o(host_ma_wb_sel_o), .wb_we_o (host_ma_wb_we_o),
.wb_dat_i(host_ma_wb_dat_i), .wb_dat_o(host_ma_wb_dat_o), .wb_cyc_o(host_ma_wb_cyc_o),
.wb_stb_o(host_ma_wb_stb_o), .wb_ack_i(host_ma_wb_ack_i), .wb_err_i(host_ma_wb_err_i)
);
// Reset pulse
initial
begin
MCrs=0; // This should come from PHY
MColl=0; // This should come from PHY
MRxD=0; // This should come from PHY
MRxDV=0; // This should come from PHY
MRxErr=0; // This should come from PHY
packet_ready_cnt = 0;
send_packet_cnt = 0;
tx_log = $fopen("ethernet_tx.log");
rx_log = $fopen("ethernet_rx.log");
wb_rst_o = 1'b1;
`ifdef ETH_XILINX_RAMB4
gsr = 1'b0;
#100 gsr = 1'b1;
#100 gsr = 1'b0;
`endif
#100 wb_rst_o = 1'b0;
#100 StartTB = 1'b1;
end
`ifdef ETH_XILINX_RAMB4
assign glbl.GSR = gsr;
`endif
// Generating wb_clk_o clock
initial
begin
wb_clk_o=0;
// forever #20 wb_clk_o = ~wb_clk_o; // 2*20 ns -> 25 MHz
forever #12.5 wb_clk_o = ~wb_clk_o; // 2*12.5 ns -> 40 MHz
end
// Generating mtx_clk clock
initial
begin
mtx_clk=0;
#3 forever #20 mtx_clk = ~mtx_clk; // 2*20 ns -> 25 MHz
end
// Generating mrx_clk clock
initial
begin
mrx_clk=0;
#16 forever #20 mrx_clk = ~mrx_clk; // 2*20 ns -> 25 MHz
end
reg [31:0] tmp;
initial
begin
wait(StartTB); // Start of testbench
eth_host.wb_write(`ETH_MODER, 4'hf, 32'h0); // Reset OFF
eth_host.wb_read(`ETH_MODER, 4'hf, tmp);
eth_host.wb_write(`ETH_MAC_ADDR1, 4'hf, 32'h0002); // Set ETH_MAC_ADDR1 register
eth_host.wb_write(`ETH_MAC_ADDR0, 4'hf, 32'h03040506); // Set ETH_MAC_ADDR0 register
initialize_txbd(3);
initialize_rxbd(4);
// eth_host.wb_write(`ETH_MODER, 4'hf, `ETH_MODER_RXEN | `ETH_MODER_TXEN | `ETH_MODER_PRO |
// `ETH_MODER_CRCEN | `ETH_MODER_PAD); // Set MODER register
// eth_host.wb_write(`ETH_MODER, 4'hf, `ETH_MODER_RXEN | `ETH_MODER_TXEN |
// `ETH_MODER_CRCEN | `ETH_MODER_PAD); // Set MODER register
// eth_host.wb_write(`ETH_MODER, 4'hf, `ETH_MODER_RXEN | `ETH_MODER_TXEN | `ETH_MODER_BRO |
// `ETH_MODER_CRCEN | `ETH_MODER_PAD); // Set MODER register
// eth_host.wb_write(`ETH_MODER, 4'hf, `ETH_MODER_RXEN | `ETH_MODER_TXEN | `ETH_MODER_PRO |
// `ETH_MODER_CRCEN | `ETH_MODER_PAD | `ETH_MODER_LOOPBCK); // Set MODER register
eth_host.wb_write(`ETH_MODER, 4'hf, `ETH_MODER_RXEN | `ETH_MODER_TXEN | `ETH_MODER_PRO |
`ETH_MODER_CRCEN | `ETH_MODER_PAD | `ETH_MODER_LOOPBCK |
`ETH_MODER_FULLD); // Set MODER register
eth_host.wb_read(`ETH_MODER, 4'hf, tmp);
set_packet(16'h364, 8'h1);
set_packet(16'h234, 8'h11);
send_packet;
repeat (1000) @(posedge mrx_clk); // Waiting for TxEthMac to finish transmit
// repeat (10000) @(posedge wb_clk_o); // Waiting for TxEthMac to finish transmit
set_packet(16'h534, 8'h21);
// set_packet(16'h34, 8'h31);
/*
eth_host.wb_write(`ETH_CTRLMODER, 4'hf, 32'h4); // Enable Tx Flow control
eth_host.wb_write(`ETH_CTRLMODER, 4'hf, 32'h5); // Enable Tx Flow control
eth_host.wb_write(`ETH_TX_CTRL, 4'hf, 32'h10013); // Send Control frame with PAUSE_TV=0x0013
*/
send_packet;
repeat (1000) @(posedge mrx_clk); // Waiting for TxEthMac to finish transmit
send_packet;
repeat (1000) @(posedge mrx_clk); // Waiting for TxEthMac to finish transmit
/*
send_packet;
*/
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