Subversion Repositories openrisc_2011-10-31

// To be included in testbench

// Relies on USB slave signals to be declared

//       .usb0wiredataout                       (usb0wiredataout),

//      .usb0wirectrlout                        (usb0wirectrlout),

//      .usb0fullspeed                  (usb0fullspeed),

//      .usb0dpluspullup                        (usb0dpluspullup),

//      .usb0dminuspullup                       (usb0dminuspullup),

//      .usb0wiredatain                 (usb0wiredatain),

//      .usb0vbusdetect                 (usb0vbusdetect),

`define SIM_HOST_BASE_ADDR 9'h000

`define SIM_SLAVE_BASE_ADDR 9'h100

`define CLK_50MHZ_HALF_PERIOD 10.4

 wire usbClk;

wire [8:0] adr;

wire [7:0] masterDout;

wire [7:0] masterDin;

wire [7:0] usbSlaveDout;

wire [7:0] usbHostDout;

wire stb;

wire we;

wire ack;

wire host_stb;

wire slave_stb;

wire hostSOFSentIntOut;

wire hostConnEventIntOut;

wire hostResumeIntOut;

wire hostTransDoneIntOut;

wire usb0dPlusPullDown;

wire usb0dMinusPullDown;

reg USBWireVP;

reg USBWireVM;

reg dpu;

wire [1:0] hostUSBWireDataIn;

wire [1:0] hostUSBWireDataOut;

wire [1:0] slaveUSBWireDataIn;

wire [1:0] slaveUSBWireDataOut;

wire hostUSBWireCtrlOut;

wire usb0dpluspullup;

wire usb0dminuspullup;

assign usb0dpluspullup = dpu;

assign usb0dminuspullup  = 1'b0;

pullup(usb0dpluspullup);

pulldown(usb0dPlusPullDown);

pullup(usb0dminuspullup);

pulldown(usb0dMinusPullDown);

assign hostUSBWireDataIn = {USBWireVP, USBWireVM};

assign usb0wiredatain = {USBWireVP, USBWireVM};

//always @(hostUSBWireCtrlOut or usb0wirectrlout or hostUSBWireDataOut or slaveUSBWireDataOut or

//  DPlusPullup or usb0dPlusPullDown or usb0dminuspullup or usb0dMinusPullDown) begin

always @(*) begin

  if (hostUSBWireCtrlOut == 1'b1 && !usb0wirectrlout == 1'b0)

    {USBWireVP, USBWireVM} <= hostUSBWireDataOut;

  else if (hostUSBWireCtrlOut == 1'b0 && !usb0wirectrlout == 1'b1)

    {USBWireVP, USBWireVM} <= usb0wiredataout;

  else if (hostUSBWireCtrlOut == 1'b1 && !usb0wirectrlout == 1'b1)

    {USBWireVP, USBWireVM} <= 2'bxx;

  else if (hostUSBWireCtrlOut == 1'b0 && !usb0wirectrlout == 1'b0) begin

    if (usb0dpluspullup == 1'b1)

      USBWireVP <= usb0dpluspullup;

    else

      USBWireVP <= usb0dPlusPullDown;

    if (usb0dminuspullup == 1'b1)

      USBWireVM <= usb0dminuspullup;

    else

      USBWireVM <= usb0dMinusPullDown;

  end

end

assign host_stb = ~adr[8] & stb;

assign slave_stb = adr[8] & stb;

assign masterDin = host_stb == 1'b1 ? usbHostDout : usbSlaveDout;

//Parameters declaration: 

defparam u_usbhost.HOST_FIFO_DEPTH = 64;

parameter HOST_FIFO_DEPTH = 64;

defparam u_usbhost.HOST_FIFO_ADDR_WIDTH = 6;

parameter HOST_FIFO_ADDR_WIDTH = 6;

  clkgen clkgen1

     (

      .sys_clk_pad_i                   (clk),

`ifdef ETH_CLK_PLL

      .eth_clk_pad_i (),

`endif

      .wb_clk                    (),

      .sdram_clk                 (),

      .usb_clk                   (usbClk),

      .spw_clk                   (),

      .rst_i                     (!rst),

      .rst_o                     ()

      );

usbhost_simlib u_usbhost (

  .clk_i(clk),

  .rst_i(!rst),

  .address_i(adr[7:0]),

  .data_i(masterDout),

  .data_o(usbHostDout),

  .we_i(we),

  .strobe_i(host_stb),

  .ack_o(ack),

  .usbClk(usbClk),

  .hostSOFSentIntOut(hostSOFSentIntOut),

  .hostConnEventIntOut(hostConnEventIntOut),

  .hostResumeIntOut(hostResumeIntOut),

  .hostTransDoneIntOut(hostTransDoneIntOut),

  .USBWireDataIn(hostUSBWireDataIn),

  .USBWireDataInTick(USBWireDataInTick),

  .USBWireDataOut(hostUSBWireDataOut),

  .USBWireDataOutTick(USBWireDataOutTick),

  .USBWireCtrlOut(hostUSBWireCtrlOut),

  .USBFullSpeed()

);

wb_master_model #(.dwidth(8), .awidth(9)) u_wb_master_model (

  .clk(clk),

  .rst(!rst),

  .adr(adr),

  .din(masterDin),

  .dout(masterDout),

  .cyc(),

  .stb(stb),

  .we(we),

  .sel(),

  .ack(ack),

  .err(1'b0),

  .rty(1'b0)

);

//--------------- reset ---------------

//always begin

 // #`CLK_50MHZ_HALF_PERIOD usbClk <= 1'b0;

 // #`CLK_50MHZ_HALF_PERIOD usbClk <= 1'b1;

//end

reg [7:0] data;

reg [15:0] dataWord;

reg [7:0] dataRead;

reg [7:0] dataWrite;

reg [7:0] USBAddress;

reg [7:0] USBEndPoint;

reg [7:0] transType;

integer dataSize;

integer i;

integer j;

assign    usb0vbusdetect = 1'b1;

initial

begin

  dpu<=1'b0;

  wait (usb0fullspeed);

   $write("USB Slave test starts at:%t\n",$time);

   dpu<=1'b1;

  #14000;

  u_wb_master_model.wb_read(1, `SIM_HOST_BASE_ADDR + `HOST_SLAVE_CONTROL_BASE+`HOST_SLAVE_VERSION_REG , dataRead);

  $display("Host Version number = 0x%0x\n", dataRead);

  $write("Testing host register read/write  ");

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_LINE_CONTROL_REG , 8'h18);

  u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_LINE_CONTROL_REG , 8'h18);

  $write("--- PASSED\n");

  $write("Testing register reset  ");

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HOST_SLAVE_CONTROL_BASE+`HOST_SLAVE_CONTROL_REG , 8'h2);

  //u_wb_master_model.wb_write(1, `SIM_SLAVE_BASE_ADDR + `HOST_SLAVE_CONTROL_BASE+`HOST_SLAVE_CONTROL_REG , 8'h2);

  #1000;

  u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_LINE_CONTROL_REG , 8'h00);

  //u_wb_master_model.wb_cmp(1, `SIM_SLAVE_BASE_ADDR + `SCREG_BASE+`SC_CONTROL_REG , 8'h00);

  $write("--- PASSED\n");

  #1000;

  $write("Configure host   ");

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HOST_SLAVE_CONTROL_BASE+`HOST_SLAVE_CONTROL_REG , 8'h1);

  $write("Connect full speed  ");

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_LINE_CONTROL_REG , 8'h18);

  #20000;

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h04);

  $write("--- PASSED\n");

  #225000;

  //Transfer 1

  $write("Trans test 1: Device address = 0x63, 2 byte SETUP transaction to Endpoint 0. ");

  USBAddress = 8'h63;

  USBEndPoint = 8'h00;

  transType = `SETUP_TRANS;

  dataSize = 2;

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h04);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ADDR_REG , USBAddress);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ENDP_REG , USBEndPoint);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_TRANS_TYPE_REG , transType);

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HOST_TX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_CONTROL_REG , 8'h01);

  #35000

   u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h01);

   $write(" Transaction done correct interrupt recived " );

  $write("Checking receive data  ");

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    data = data + 1'b1;

  end

  $write("--- PASSED\n");

  //Transfer 2

  $write("Trans test 2: Device address = 0x63, 20 byte OUT DATA0 transaction to Endpoint 1. ");

  USBAddress = 8'h63;

  USBEndPoint = 8'h00;

  transType = `OUTDATA0_TRANS;

  dataSize = 20;

 u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h04);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ADDR_REG , USBAddress);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ENDP_REG , USBEndPoint);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_TRANS_TYPE_REG , transType);

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HOST_TX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_CONTROL_REG , 8'h01);

  #20000

  $write("Checking received Transaction done interupt  ");

  u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h01);

  $write("Checking receive data  ");

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    //u_wb_master_model.wb_cmp(1, `SIM_SLAVE_BASE_ADDR + `EP1_RX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

  $write("--- PASSED\n");

   #200000

   //Transfer 3

   $write("Trans test 3: Device address = 0x63, 20 byte OUT DATA0 transaction to Endpoint 1. ");

  USBAddress = 8'h63;

  USBEndPoint = 8'h00;

  transType = `OUTDATA0_TRANS;

  dataSize = 2;

 u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h04);

  //enable endpoint, and make ready

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ADDR_REG , USBAddress);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ENDP_REG , USBEndPoint);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_TRANS_TYPE_REG , transType);

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HOST_TX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_CONTROL_REG , 8'h01);

  #20000

  $write("Checking received Transaction done interupt\n  ");

  u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h01);

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    //u_wb_master_model.wb_cmp(1, `SIM_SLAVE_BASE_ADDR + `EP1_RX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

  $write("--- PASSED\n");

   #200000

  //Transfer 4 

    $write("Trans test 4: Device address = 0x63, 2 byte IN transaction to Endpoint 2. ");

  USBAddress = 8'h63;

  USBEndPoint = 8'h02;

  transType = `IN_TRANS;

  dataSize = 20;

  //enable endpoint, and make ready

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h3f);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ADDR_REG , USBAddress);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_ENDP_REG , USBEndPoint);

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_TRANS_TYPE_REG , transType);

  data = 8'h00;

  for (i=0; i<dataSize; i=i+1) begin

    //u_wb_master_model.wb_write(1, `SIM_SLAVE_BASE_ADDR + `EP2_TX_FIFO_BASE + `FIFO_DATA_REG , data);

    data = data + 1'b1;

  end

   #20000

  u_wb_master_model.wb_write(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`TX_CONTROL_REG , 8'h01);

  #200000

  //expecting transaction done interrupt

     $write("USB Slave transaction done interrupt at:%t\n",$time);

  u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HCREG_BASE+`INTERRUPT_STATUS_REG , 8'h01);

    $write("Checking receive data  ");

  data = 8'h0;

  for (i=0; i<dataSize; i=i+1) begin

    u_wb_master_model.wb_cmp(1, `SIM_HOST_BASE_ADDR + `HOST_RX_FIFO_BASE + `FIFO_DATA_REG ,data);

    data = data + 1'b1;

  end

  $write("--- PASSED\n");

  $write("Finished all tests\n");

  $stop;

end