Line 39... |
Line 39... |
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// 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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// Revision 1.1 2001/08/06 14:41:09 mohor
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// 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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// 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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// 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 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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// File eth_timescale.v is used to define timescale
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Line 127... |
Line 130... |
.wb_adr_i(WB_ADR_I), .wb_sel_i(WB_SEL_I), .wb_we_i(WB_WE_I), .wb_cyc_i(WB_CYC_I),
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.wb_adr_i(WB_ADR_I), .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), .wb_req_o(WB_REQ_O),
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.wb_stb_i(WB_STB_I), .wb_ack_o(WB_ACK_O), .wb_err_o(WB_ERR_O), .wb_req_o(WB_REQ_O),
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.wb_ack_i(WB_ACK_I), .wb_nd_o(WB_ND_O), .wb_rd_o(WB_RD_O),
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.wb_ack_i(WB_ACK_I), .wb_nd_o(WB_ND_O), .wb_rd_o(WB_RD_O),
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//TX
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//TX
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.mtxclk_pad_i(MTxClk), .mtxd_pad_o(MTxD), .mtxen_pad_o(MTxEn), .mtxerr_pad_o(MTxErr),
|
.mtx_clk_pad_i(MTxClk), .mtxd_pad_o(MTxD), .mtxen_pad_o(MTxEn), .mtxerr_pad_o(MTxErr),
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|
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//RX
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//RX
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.mrxclk_pad_i(MRxClk), .mrxd_pad_i(MRxD), .mrxdv_pad_i(MRxDV), .mrxerr_pad_i(MRxErr),
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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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.mcoll_pad_i(MColl), .mcrs_pad_i(MCrs),
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// MIIM
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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_pad_oe(Mdo_OE)
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.mdc_pad_o(Mdc_O), .md_pad_i(Mdi_I), .md_pad_o(Mdo_O), .md_padoen_o(Mdo_OE)
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);
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);
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Line 146... |
Line 149... |
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|
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initial
|
initial
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begin
|
begin
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WB_CLK_I = 1'b0;
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WB_CLK_I = 1'b0;
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WB_DAT_I = 32'hx;
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WB_DAT_I = 32'h0;
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WB_ADR_I = 32'hx;
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WB_ADR_I = 32'h0;
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WB_SEL_I = 4'hx;
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WB_SEL_I = 4'h0;
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WB_WE_I = 1'bx;
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WB_WE_I = 1'b0;
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WB_CYC_I = 1'b0;
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WB_CYC_I = 1'b0;
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WB_STB_I = 1'b0;
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WB_STB_I = 1'b0;
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WB_ACK_I = 2'h0;
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WB_ACK_I = 2'h0;
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MTxClk = 1'b0;
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MTxClk = 1'b0;
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MRxClk = 1'b0;
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MRxClk = 1'b0;
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Line 171... |
Line 174... |
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// Reset pulse
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// Reset pulse
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initial
|
initial
|
begin
|
begin
|
GSR = 1'b0;
|
GSR = 1'b1;
|
WB_RST_I = 1'b0;
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WB_RST_I = 1'b1;
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#100 WB_RST_I = 1'b1;
|
#100 WB_RST_I = 1'b1;
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GSR = 1'b1;
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GSR = 1'b1;
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#100 WB_RST_I = 1'b0;
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#100 WB_RST_I = 1'b0;
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GSR = 1'b0;
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GSR = 1'b0;
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#100 StartTB = 1'b1;
|
#100 StartTB = 1'b1;
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Line 188... |
Line 191... |
|
|
|
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// Generating WB_CLK_I clock
|
// Generating WB_CLK_I clock
|
always
|
always
|
begin
|
begin
|
|
// forever #5 WB_CLK_I = ~WB_CLK_I; // 2*5 ns -> 100.0 MHz
|
// forever #10 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 50.0 MHz
|
// forever #10 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 50.0 MHz
|
forever #15 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 33.3 MHz
|
forever #15 WB_CLK_I = ~WB_CLK_I; // 2*10 ns -> 33.3 MHz
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// forever #18 WB_CLK_I = ~WB_CLK_I; // 2*18 ns -> 27.7 MHz
|
// forever #18 WB_CLK_I = ~WB_CLK_I; // 2*18 ns -> 27.7 MHz
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// forever #100 WB_CLK_I = ~WB_CLK_I;
|
// forever #100 WB_CLK_I = ~WB_CLK_I;
|
end
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end
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Line 214... |
Line 218... |
|
|
initial
|
initial
|
begin
|
begin
|
wait(StartTB); // Start of testbench
|
wait(StartTB); // Start of testbench
|
|
|
WishboneWrite(32'h00000800, {`ETHERNET_SPACE, `REG_SPACE, 6'h0, `MODER_ADR<<2}); // r_Rst = 1
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WishboneWrite(32'h00000800, {`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_MODER_ADR<<2}); // r_Rst = 1
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WishboneWrite(32'h00000000, {`ETHERNET_SPACE, `REG_SPACE, 6'h0, `MODER_ADR<<2}); // r_Rst = 0
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WishboneWrite(32'h00000000, {`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_MODER_ADR<<2}); // r_Rst = 0
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WishboneWrite(32'h00000080, {`ETHERNET_SPACE, `REG_SPACE, 6'h0, `RX_BD_ADR_ADR<<2});// r_RxBDAddress = 0x80
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WishboneWrite(32'h00000080, {`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_RX_BD_ADR_ADR<<2});// r_RxBDAddress = 0x80
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WishboneWrite(32'h0002A443, {`ETHERNET_SPACE, `REG_SPACE, 6'h0, `MODER_ADR<<2}); // RxEn, Txen, FullD, CrcEn, Pad, DmaEn, r_IFG
|
WishboneWrite(32'h0002A443, {`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_MODER_ADR<<2}); // RxEn, Txen, FullD, CrcEn, Pad, DmaEn, r_IFG
|
WishboneWrite(32'h00000004, {`ETHERNET_SPACE, `REG_SPACE, 6'h0, `CTRLMODER_ADR<<2});//r_TxFlow = 1
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WishboneWrite(32'h00000004, {`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_CTRLMODER_ADR<<2});//r_TxFlow = 1
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|
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SendPacket(16'h0015, 1'b0);
|
SendPacket(16'h0015, 1'b0);
|
Line 237... |
Line 241... |
ReceivePacket(16'h0016, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
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ReceivePacket(16'h0016, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
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ReceivePacket(16'h0017, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
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ReceivePacket(16'h0017, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
|
ReceivePacket(16'h0018, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
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ReceivePacket(16'h0018, 1'b0); // Initializes RxBD and then generates traffic on the MRxD[3:0] signals.
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|
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WishboneRead({`ETHERNET_SPACE, `REG_SPACE, 6'h0, `MODER_ADR<<2}); // Read from MODER register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_REG_SPACE, 6'h0, `ETH_MODER_ADR<<2}); // Read from MODER register
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|
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h0<<2)}); // Read from TxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h0<<2)}); // Read from TxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h1<<2)}); // Read from TxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h1<<2)}); // Read from TxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h2<<2)}); // Read from TxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h2<<2)}); // Read from TxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h3<<2)}); // Read from TxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h3<<2)}); // Read from TxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h4<<2)}); // Read from TxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h4<<2)}); // Read from TxBD register
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|
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h80<<2)}); // Read from RxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h80<<2)}); // Read from RxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h81<<2)}); // Read from RxBD register
|
WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h81<<2)}); // Read from RxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h82<<2)}); // Read from RxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h82<<2)}); // Read from RxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h83<<2)}); // Read from RxBD register
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WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h83<<2)}); // Read from RxBD register
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WishboneRead({`ETHERNET_SPACE, `BD_SPACE, 2'h0, (10'h84<<2)}); // Read from RxBD register
|
WishboneRead({`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (10'h84<<2)}); // Read from RxBD register
|
|
|
#10000 $stop;
|
#10000 $stop;
|
end
|
end
|
|
|
|
|
Line 277... |
Line 281... |
WB_WE_I = 1'b1;
|
WB_WE_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_STB_I = 1'b1;
|
WB_STB_I = 1'b1;
|
WB_SEL_I = 4'hf;
|
WB_SEL_I = 4'hf;
|
|
|
for(ii=0; (ii<20 & ~WB_ACK_O); ii=ii+1) // Response on the WISHBONE is limited to 20 WB_CLK_I cycles
|
// for(ii=0; (ii<20 & ~WB_ACK_O); ii=ii+1) // Response on the WISHBONE is limited to 20 WB_CLK_I cycles
|
begin
|
// begin
|
@ (posedge WB_CLK_I);
|
// @ (posedge WB_CLK_I);
|
end
|
// end
|
|
|
|
// if(ii==20)
|
|
// begin
|
|
// $display("\nERROR: Task WishboneWrite(Data=0x%0h, Address=0x%0h): Too late or no appeariance of the WB_ACK_O signal, (Time=%0t)",
|
|
// Data, Address, $time);
|
|
// #50 $stop;
|
|
// end
|
|
|
if(ii==20)
|
wait(WB_ACK_O); // waiting for acknowledge response
|
begin
|
|
$display("\nERROR: Task WishboneWrite(Data=0x%0h, Address=0x%0h): Too late or no appeariance of the WB_ACK_O signal, (Time=%0t)",
|
|
Data, Address, $time);
|
|
#50 $stop;
|
|
end
|
|
|
|
|
// Writing information about the access to the screen
|
@ (posedge WB_CLK_I);
|
@ (posedge WB_CLK_I);
|
if(Address[31:16] == `ETHERNET_SPACE)
|
if(Address[31:16] == `ETH_ETHERNET_SPACE)
|
if(Address[15:12] == `REG_SPACE)
|
if(Address[15:12] == `ETH_REG_SPACE)
|
$write("\nWrite to register (Data: 0x%x, Reg. Addr: 0x%0x)", Data, Address[9:2]);
|
$write("\nWrite to register (Data: 0x%x, Reg. Addr: 0x%0x)", Data, Address[9:2]);
|
else
|
else
|
if(Address[15:12] == `BD_SPACE)
|
if(Address[15:12] == `ETH_BD_SPACE)
|
if(Address[9:2] < tb_eth_top.ethtop.r_RxBDAddress)
|
if(Address[9:2] < tb_eth_top.ethtop.r_RxBDAddress)
|
begin
|
begin
|
$write("\nWrite to TxBD (Data: 0x%x, TxBD Addr: 0x%0x)\n", Data, Address[9:2]);
|
$write("\nWrite to TxBD (Data: 0x%x, TxBD Addr: 0x%0x)\n", Data, Address[9:2]);
|
if(Data[13])
|
if(Data[13])
|
$write("Send Control packet (PAUSE = 0x%0h)\n", Data[31:16]);
|
$write("Send Control packet (PAUSE = 0x%0h)\n", Data[31:16]);
|
Line 349... |
Line 356... |
Address, $time);
|
Address, $time);
|
#50 $stop;
|
#50 $stop;
|
end
|
end
|
|
|
@ (posedge WB_CLK_I);
|
@ (posedge WB_CLK_I);
|
if(Address[31:16] == `ETHERNET_SPACE)
|
if(Address[31:16] == `ETH_ETHERNET_SPACE)
|
if(Address[15:12] == `REG_SPACE)
|
if(Address[15:12] == `ETH_REG_SPACE)
|
$write("\nRead from register (Data: 0x%x, Reg. Addr: 0x%0x)", Data, Address[9:2]);
|
$write("\nRead from register (Data: 0x%x, Reg. Addr: 0x%0x)", Data, Address[9:2]);
|
else
|
else
|
if(Address[15:12] == `BD_SPACE)
|
if(Address[15:12] == `ETH_BD_SPACE)
|
if(Address[9:2] < tb_eth_top.ethtop.r_RxBDAddress)
|
if(Address[9:2] < tb_eth_top.ethtop.r_RxBDAddress)
|
begin
|
begin
|
$write("\nRead from TxBD (Data: 0x%x, TxBD Addr: 0x%0x)", Data, Address[9:2]);
|
$write("\nRead from TxBD (Data: 0x%x, TxBD Addr: 0x%0x)", Data, Address[9:2]);
|
end
|
end
|
else
|
else
|
Line 390... |
Line 397... |
if(TxBDIndex == 3) // Only 4 buffer descriptors are used
|
if(TxBDIndex == 3) // Only 4 buffer descriptors are used
|
Wrap = 1'b1;
|
Wrap = 1'b1;
|
else
|
else
|
Wrap = 1'b0;
|
Wrap = 1'b0;
|
|
|
TempAddr = {`ETHERNET_SPACE, `BD_SPACE, 2'h0, (TxBDIndex<<2)};
|
TempAddr = {`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, (TxBDIndex<<2)};
|
TempData = {Length[15:0], 1'b1, Wrap, ControlFrame, 5'h0, TxBDIndex[7:0]}; // Ready and Wrap = 1
|
TempData = {Length[15:0], 1'b1, Wrap, ControlFrame, 5'h0, TxBDIndex[7:0]}; // Ready and Wrap = 1
|
|
|
#1;
|
#1;
|
if(TxBDIndex == 3) // Only 4 buffer descriptors are used
|
if(TxBDIndex == 3) // Only 4 buffer descriptors are used
|
TxBDIndex = 0;
|
TxBDIndex = 0;
|
Line 427... |
Line 434... |
if(RxBDIndex == 3) // Only 4 buffer descriptors are used
|
if(RxBDIndex == 3) // Only 4 buffer descriptors are used
|
WrapRx = 1'b1;
|
WrapRx = 1'b1;
|
else
|
else
|
WrapRx = 1'b0;
|
WrapRx = 1'b0;
|
|
|
TempRxAddr = {`ETHERNET_SPACE, `BD_SPACE, 2'h0, ((tb_eth_top.ethtop.r_RxBDAddress + RxBDIndex)<<2)};
|
TempRxAddr = {`ETH_ETHERNET_SPACE, `ETH_BD_SPACE, 2'h0, ((tb_eth_top.ethtop.r_RxBDAddress + RxBDIndex)<<2)};
|
|
|
TempRxData = {LengthRx[15:0], 1'b1, WrapRx, 6'h0, RxBDIndex[7:0]}; // Ready and WrapRx = 1 or 0
|
TempRxData = {LengthRx[15:0], 1'b1, WrapRx, 6'h0, RxBDIndex[7:0]}; // Ready and WrapRx = 1 or 0
|
|
|
#1;
|
#1;
|
if(RxBDIndex == 3) // Only 4 buffer descriptors are used
|
if(RxBDIndex == 3) // Only 4 buffer descriptors are used
|
Line 480... |
Line 487... |
|
|
wait (~WishboneBusy);
|
wait (~WishboneBusy);
|
WishboneBusy = 1;
|
WishboneBusy = 1;
|
#1;
|
#1;
|
WB_DAT_I = {a, b, c, d};
|
WB_DAT_I = {a, b, c, d};
|
WB_ADR_I = {`ETHERNET_SPACE, `TX_DATA, pp[11:0]};
|
WB_ADR_I = {`ETH_ETHERNET_SPACE, `ETH_TX_DATA, pp[11:0]};
|
$display("task WaitingForTxDMARequest: pp=%0d, WB_ADR_I=0x%0h, WB_DAT_I=0x%0h", pp, WB_ADR_I, WB_DAT_I);
|
$display("task WaitingForTxDMARequest: pp=%0d, WB_ADR_I=0x%0h, WB_DAT_I=0x%0h", pp, WB_ADR_I, WB_DAT_I);
|
|
|
WB_WE_I = 1'b1;
|
WB_WE_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_STB_I = 1'b1;
|
WB_STB_I = 1'b1;
|
Line 516... |
Line 523... |
repeat(Delay) @(posedge WB_CLK_I);
|
repeat(Delay) @(posedge WB_CLK_I);
|
|
|
wait (~WishboneBusy);
|
wait (~WishboneBusy);
|
WishboneBusy = 1;
|
WishboneBusy = 1;
|
#1;
|
#1;
|
WB_ADR_I = {`ETHERNET_SPACE, `RX_DATA, rr[11:0]};
|
WB_ADR_I = {`ETH_ETHERNET_SPACE, `ETH_RX_DATA, rr[11:0]};
|
$display("task WaitingForRxDMARequest: rr=%0d, WB_ADR_I=0x%0h, WB_DAT_O=0x%0h", rr, WB_ADR_I, WB_DAT_O);
|
$display("task WaitingForRxDMARequest: rr=%0d, WB_ADR_I=0x%0h, WB_DAT_O=0x%0h", rr, WB_ADR_I, WB_DAT_O);
|
|
|
WB_WE_I = 1'b1;
|
WB_WE_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_CYC_I = 1'b1;
|
WB_STB_I = 1'b1;
|
WB_STB_I = 1'b1;
|