Subversion Repositories wb_async_mem_bridge

// --------------------------------------------------------------------

//

// --------------------------------------------------------------------

`include "timescale.v"

module tb_dut(

                input tb_clk,

                input tb_rst

              );

  wire [3:0]     boot_strap = 4'b0010;

  // --------------------------------------------------------------------

  // de1 wires 

  wire  [1:0]   clock_24;

  wire  [1:0]   clock_27;

  wire          clock_50;

  wire          ext_clock;

  wire  [3:0]   key;

  wire  [9:0]   sw;

  wire  [6:0]   hex0;

  wire  [6:0]   hex1;

  wire  [6:0]   hex2;

  wire  [6:0]   hex3;

  wire  [7:0]   ledg;

  wire  [9:0]   ledr;

  wire          uart_txd;

  wire          uart_rxd;

  wire  [15:0]  dram_dq;

  wire  [11:0]  dram_addr;

  wire          dram_ldqm;

  wire          dram_udqm;

  wire          dram_we_n;

  wire          dram_cas_n;

  wire          dram_ras_n;

  wire          dram_cs_n;

  wire          dram_ba_0;

  wire          dram_ba_1;

  wire          dram_clk;

  wire          dram_cke;

  wire  [7:0]   fl_dq;

  wire  [21:0]  fl_addr;

  wire          fl_we_n;

  wire          fl_rst_n;

  wire          fl_oe_n;

  wire          fl_ce_n;

  wire  [15:0]  sram_dq;

  wire  [17:0]  sram_addr;

  wire          sram_ub_n;

  wire          sram_lb_n;

  wire          sram_we_n;

  wire          sram_ce_n;

  wire          sram_oe_n;

  wire          sd_dat;

  wire          sd_dat3;

  wire          sd_cmd;

  wire          sd_clk;

  wire          i2c_sdat;

  wire          i2c_sclk;

  wire          ps2_dat;

  wire          ps2_clk;

  wire          tdi;

  wire          tck;

  wire          tcs;

  wire          tdo;

  wire          vga_hs;

  wire          vga_vs;

  wire  [3:0]   vga_r;

  wire  [3:0]   vga_g;

  wire  [3:0]   vga_b;

  wire          aud_adclrck;

  wire          aud_adcdat;

  wire          aud_daclrck;

  wire          aud_dacdat;

  wire          aud_bclk;

  wire          aud_xck;

  wire  [35:0]  gpio_0;

  wire  [35:0]  gpio_1;

  // --------------------------------------------------------------------

  // fpga top 

  assign clock_24 = {1'b0, tb_clk};

  assign sw       = {6'b000000, boot_strap};

  assign key      = {3'b000, ~tb_rst};

top

  i_top(

    ////////////////////////  Clock Input     ////////////////////////

    .clock_24( clock_24 ),               //  24 MHz

    .clock_27(clock_27),               //  27 MHz

    .clock_50(clock_50),               //  50 MHz

    .ext_clock(ext_clock),              //  External Clock

    ////////////////////////  Push Button     ////////////////////////

    .key( key ),                    //  Pushbutton[3:0]

    ////////////////////////  DPDT Switch     ////////////////////////

    .sw( sw ),                     //  Toggle Switch[9:0]

    ////////////////////////  7-SEG Dispaly   ////////////////////////

    .hex0(hex0),                   //  Seven Segment Digit 0

    .hex1(hex1),                   //  Seven Segment Digit 1

    .hex2(hex2),                   //  Seven Segment Digit 2

    .hex3(hex3),                   //  Seven Segment Digit 3

    ////////////////////////////  LED     ////////////////////////////

    .ledg(ledg),                   //  LED Green[7:0]

    .ledr(ledr),                   //  LED Red[9:0]

    ////////////////////////////  UART    ////////////////////////////

    .uart_txd(uart_txd),               //  UART Transmitter

    .uart_rxd(uart_rxd),               //  UART Receiver

    ///////////////////////       SDRAM Interface ////////////////////////

    .dram_dq(dram_dq),                //  SDRAM Data bus 16 Bits

    .dram_addr(dram_addr),              //  SDRAM Address bus 12 Bits

    .dram_ldqm(dram_ldqm),              //  SDRAM Low-byte Data Mask 

    .dram_udqm(dram_udqm),              //  SDRAM High-byte Data Mask

    .dram_we_n(dram_we_n),              //  SDRAM Write Enable

    .dram_cas_n(dram_cas_n),             //  SDRAM Column Address Strobe

    .dram_ras_n(dram_ras_n),             //  SDRAM Row Address Strobe

    .dram_cs_n(dram_cs_n),              //  SDRAM Chip Select

    .dram_ba_0(dram_ba_0),              //  SDRAM Bank Address 0

    .dram_ba_1(dram_ba_1),              //  SDRAM Bank Address 0

    .dram_clk(dram_clk),               //  SDRAM Clock

    .dram_cke(dram_cke),               //  SDRAM Clock Enable

    ////////////////////////  Flash Interface ////////////////////////

    .fl_dq(fl_dq),                  //  FLASH Data bus 8 Bits

    .fl_addr(fl_addr),                //  FLASH Address bus 22 Bits

    .fl_we_n(fl_we_n),                //  FLASH Write Enable

    .fl_rst_n(fl_rst_n),               //  FLASH Reset

    .fl_oe_n(fl_oe_n),                //  FLASH Output Enable

    .fl_ce_n(fl_ce_n),                //  FLASH Chip Enable

    ////////////////////////  SRAM Interface  ////////////////////////

    .sram_dq(sram_dq),                //  SRAM Data bus 16 Bits

    .sram_addr(sram_addr),              //  SRAM Address bus 18 Bits

    .sram_ub_n(sram_ub_n),              //  SRAM High-byte Data Mask 

    .sram_lb_n(sram_lb_n),              //  SRAM Low-byte Data Mask 

    .sram_we_n(sram_we_n),              //  SRAM Write Enable

    .sram_ce_n(sram_ce_n),              //  SRAM Chip Enable

    .sram_oe_n(sram_oe_n),              //  SRAM Output Enable

    ////////////////////  SD Card Interface   ////////////////////////

    .sd_dat(sd_dat),                 //  SD Card Data

    .sd_dat3(sd_dat3),                //  SD Card Data 3

    .sd_cmd(sd_cmd),                 //  SD Card Command Signal

    .sd_clk(sd_clk),                 //  SD Card Clock

    ////////////////////////  I2C     ////////////////////////////////

    .i2c_sdat(i2c_sdat),               //  I2C Data

    .i2c_sclk(i2c_sclk),               //  I2C Clock

    ////////////////////////  PS2     ////////////////////////////////

    .ps2_dat(ps2_dat),                //  PS2 Data

    .ps2_clk(ps2_clk),                //  PS2 Clock

    ////////////////////  USB JTAG link   ////////////////////////////

    .tdi(tdi),                    // CPLD -> FPGA (data in)

    .tck(tck),                    // CPLD -> FPGA (clk)

    .tcs(tcs),                    // CPLD -> FPGA (CS)

    .tdo(tdo),                    // FPGA -> CPLD (data out)

    ////////////////////////  VGA         ////////////////////////////

    .vga_hs(vga_hs),                 //  VGA H_SYNC

    .vga_vs(vga_vs),                 //  VGA V_SYNC

    .vga_r(vga_r),                  //  VGA Red[3:0]

    .vga_g(vga_g),                  //  VGA Green[3:0]

    .vga_b(vga_b),                  //  VGA Blue[3:0]

    ////////////////////  Audio CODEC     ////////////////////////////

    .aud_adclrck(aud_adclrck),            //  Audio CODEC ADC LR Clock

    .aud_adcdat(aud_adcdat),             //  Audio CODEC ADC Data

    .aud_daclrck(aud_daclrck),            //  Audio CODEC DAC LR Clock

    .aud_dacdat(aud_dacdat),             //  Audio CODEC DAC Data

    .aud_bclk(aud_bclk),               //  Audio CODEC Bit-Stream Clock

    .aud_xck(aud_xck),                //  Audio CODEC Chip Clock

    ////////////////////////  GPIO    ////////////////////////////////

    .gpio_0(gpio_0),                 //  GPIO Connection 0

    .gpio_1(gpio_1)                  //  GPIO Connection 1

  );

  // --------------------------------------------------------------------

  // IS61LV25616

  IS61LV25616 i_IS61LV25616 (

                              .A(sram_addr),

                              .IO(sram_dq),

                              .CE_(sram_ce_n),

                              .OE_(sram_oe_n),

                              .WE_(sram_we_n),

                              .LB_(sram_lb_n),

                              .UB_(sram_ub_n)

                            );

  // --------------------------------------------------------------------

  // s29al032d_00

  s29al032d_00 #( .UserPreload(1'b1), .mem_file_name( "../../../sw/load_this_to_ram/boot_rom_2.txt" ) )

  i_s29al032d_00(

                  .A21(fl_addr[21]),

                  .A20(fl_addr[20]),

                  .A19(fl_addr[19]),

                  .A18(fl_addr[18]),

                  .A17(fl_addr[17]),

                  .A16(fl_addr[16]),

                  .A15(fl_addr[15]),

                  .A14(fl_addr[14]),

                  .A13(fl_addr[13]),

                  .A12(fl_addr[12]),

                  .A11(fl_addr[11]),

                  .A10(fl_addr[10]),

                  .A9(fl_addr[9]),

                  .A8(fl_addr[8]),

                  .A7(fl_addr[7]),

                  .A6(fl_addr[6]),

                  .A5(fl_addr[5]),

                  .A4(fl_addr[4]),

                  .A3(fl_addr[3]),

                  .A2(fl_addr[2]),

                  .A1(fl_addr[1]),

                  .A0(fl_addr[0]),

                  .DQ7(fl_dq[7]),

                  .DQ6(fl_dq[6]),

                  .DQ5(fl_dq[5]),

                  .DQ4(fl_dq[4]),

                  .DQ3(fl_dq[3]),

                  .DQ2(fl_dq[2]),

                  .DQ1(fl_dq[1]),

                  .DQ0(fl_dq[0]),

                  .CENeg(fl_ce_n),

                  .OENeg(fl_oe_n),

                  .WENeg(fl_we_n),

                  .RESETNeg(fl_rst_n),

                  .ACC(),

                  .RY()

                );

  // --------------------------------------------------------------------

  //  async_mem_master

  wire [31:0] mem_d;

  wire [31:0] mem_a;

  wire        mem_oe_n;

  wire [3:0]  mem_bls_n;

  wire        mem_we_n;

  wire        mem_cs_n;

  async_mem_master

    async_mem(

      .mem_d( gpio_1[31:0] ),

      .mem_a( gpio_0[23:0] ),

      .mem_oe_n( gpio_0[30] ),

      .mem_bls_n( { gpio_0[26], gpio_0[27], gpio_0[28], gpio_0[29] } ),

      .mem_we_n( gpio_0[25] ),

      .mem_cs_n( gpio_0[24] ),

      .tb_clk(tb_clk),

      .tb_rst(tb_rst)

    );

endmodule