// ***************************************************************************
// ***************************************************************************
// Copyright 2011(c) Analog Devices, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//     - Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     - Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in
//       the documentation and/or other materials provided with the
//       distribution.
//     - Neither the name of Analog Devices, Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//     - The use of this software may or may not infringe the patent rights
//       of one or more patent holders.  This license does not release you
//       from the requirement that you obtain separate licenses from these
//       patent holders to use this software.
//     - Use of the software either in source or binary form, must be run
//       on or directly connected to an Analog Devices Inc. component.
//
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED.
//
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************

`timescale 1ns/100ps

module system_top (
    sys_rst,
    sys_clk_p,
    sys_clk_n,

    uart_sin,
    uart_sout,

    ddr3_1_n,
    ddr3_1_p,
    ddr3_reset_n,
    ddr3_addr,
    ddr3_ba,
    ddr3_cas_n,
    ddr3_ras_n,
    ddr3_we_n,
    ddr3_ck_n,
    ddr3_ck_p,
    ddr3_cke,
    ddr3_cs_n,
    ddr3_dm,
    ddr3_dq,
    ddr3_dqs_n,
    ddr3_dqs_p,
    ddr3_odt,

    mdio_mdc,
    mdio_mdio_io,
    mii_rst_n,
    mii_col,
    mii_crs,
    mii_rx_clk,
    mii_rx_er,
    mii_rx_dv,
    mii_rxd,
    mii_tx_clk,
    mii_tx_en,
    mii_txd,

    fan_pwm,

    gpio_lcd,
    gpio_led,
    gpio_sw,

    iic_rstn,
    iic_scl,
    iic_sda,

    hdmi_out_clk,
    hdmi_hsync,
    hdmi_vsync,
    hdmi_data_e,
    hdmi_data,

    spdif,

    adc_clk_in_n,
    adc_clk_in_p,
    adc_data_in_n,
    adc_data_in_p,
    adc_data_or_n,
    adc_data_or_p,
    spi_clk,
    spi_csn_adc,
    spi_csn_clk,
    spi_sdio
);

input           sys_rst;
input           sys_clk_p;
input           sys_clk_n;

input           uart_sin;
output          uart_sout;

output  [ 2:0]  ddr3_1_n;
output  [ 1:0]  ddr3_1_p;
output          ddr3_reset_n;
output  [13:0]  ddr3_addr;
output  [ 2:0]  ddr3_ba;
output          ddr3_cas_n;
output          ddr3_ras_n;
output          ddr3_we_n;
output  [ 0:0]  ddr3_ck_n;
output  [ 0:0]  ddr3_ck_p;
output  [ 0:0]  ddr3_cke;
output  [ 0:0]  ddr3_cs_n;
output  [ 7:0]  ddr3_dm;
inout   [63:0]  ddr3_dq;
inout   [ 7:0]  ddr3_dqs_n;
inout   [ 7:0]  ddr3_dqs_p;
output  [ 0:0]  ddr3_odt;

output          mdio_mdc;
inout           mdio_mdio_io;
output          mii_rst_n;
input           mii_col;
input           mii_crs;
input           mii_rx_clk;
input           mii_rx_er;
input           mii_rx_dv;
input   [ 3:0]  mii_rxd;
input           mii_tx_clk;
output          mii_tx_en;
output  [ 3:0]  mii_txd;

output          fan_pwm;

inout   [ 6:0]  gpio_lcd;
inout   [ 7:0]  gpio_led;
inout   [ 8:0]  gpio_sw;

output          iic_rstn;
inout           iic_scl;
inout           iic_sda;

output          hdmi_out_clk;
output          hdmi_hsync;
output          hdmi_vsync;
output          hdmi_data_e;
output  [15:0]  hdmi_data;

output          spdif;

input           adc_clk_in_n;
input           adc_clk_in_p;
input  [ 7:0]   adc_data_in_n;
input  [ 7:0]   adc_data_in_p;
input           adc_data_or_n;
input           adc_data_or_p;
output          spi_clk;
output          spi_csn_adc;
output          spi_csn_clk;
inout           spi_sdio;

// internal signals
wire   [ 1:0]   spi_csn;
wire            spi_miso;
wire            spi_mosi;

assign spi_csn_adc = spi_csn[0];
assign spi_csn_clk = spi_csn[1];

ad9467_spi i_spi (
    .spi_csn(spi_csn),
    .spi_clk(spi_clk),
    .spi_mosi(spi_mosi),
    .spi_miso(spi_miso),
    .spi_sdio(spi_sdio)
    );

system_wrapper i_system_wrapper (
    .ddr3_1_n (ddr3_1_n),
    .ddr3_1_p (ddr3_1_p),
    .ddr3_addr (ddr3_addr),
    .ddr3_ba (ddr3_ba),
    .ddr3_cas_n (ddr3_cas_n),
    .ddr3_ck_n (ddr3_ck_n),
    .ddr3_ck_p (ddr3_ck_p),
    .ddr3_cke (ddr3_cke),
    .ddr3_cs_n (ddr3_cs_n),
    .ddr3_dm (ddr3_dm),
    .ddr3_dq (ddr3_dq),
    .ddr3_dqs_n (ddr3_dqs_n),
    .ddr3_dqs_p (ddr3_dqs_p),
    .ddr3_odt (ddr3_odt),
    .ddr3_ras_n (ddr3_ras_n),
    .ddr3_reset_n (ddr3_reset_n),
    .ddr3_we_n (ddr3_we_n),
    .fan_pwm (fan_pwm),
    .gpio_lcd_tri_io (gpio_lcd),
    .gpio_led_tri_io (gpio_led),
    .gpio_sw_tri_io (gpio_sw),
    .hdmi_data (hdmi_data),
    .hdmi_data_e (hdmi_data_e),
    .hdmi_hsync (hdmi_hsync),
    .hdmi_out_clk (hdmi_out_clk),
    .hdmi_vsync (hdmi_vsync),
    .iic_main_scl_io (iic_scl),
    .iic_main_sda_io (iic_sda),
    .iic_rstn (iic_rstn),
    .mdio_mdc (mdio_mdc),
    .mdio_mdio_io (mdio_mdio_io),
    .mii_col (mii_col),
    .mii_crs (mii_crs),
    .mii_rst_n (mii_rst_n),
    .mii_rx_clk (mii_rx_clk),
    .mii_rx_dv (mii_rx_dv),
    .mii_rx_er (mii_rx_er),
    .mii_rxd (mii_rxd),
    .mii_tx_clk (mii_tx_clk),
    .mii_tx_en (mii_tx_en),
    .mii_txd (mii_txd),
    .spdif (spdif),
    .sys_clk_n (sys_clk_n),
    .sys_clk_p (sys_clk_p),
    .sys_rst (sys_rst),
    .uart_sin (uart_sin),
    .uart_sout (uart_sout),
    .unc_int0 (1'b0),
    .unc_int3 (1'b0),
    .adc_clk_in_n(adc_clk_in_n),
    .adc_clk_in_p(adc_clk_in_p),
    .adc_data_in_n(adc_data_in_n),
    .adc_data_in_p(adc_data_in_p),
    .adc_data_or_n(adc_data_or_n),
    .adc_data_or_p(adc_data_or_p),
    .spi_clk_i(1'b0),
    .spi_clk_o(spi_clk),
    .spi_csn_i(1'b1),
    .spi_csn_o(spi_csn),
    .spi_sdi_i(spi_miso),
    .spi_sdo_i(1'b0),
    .spi_sdo_o(spi_mosi));

endmodule

// ***************************************************************************
// ***************************************************************************