// *************************************************************************** // *************************************************************************** // Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved. // // In this HDL repository, there are many different and unique modules, consisting // of various HDL (Verilog or VHDL) components. The individual modules are // developed independently, and may be accompanied by separate and unique license // terms. // // The user should read each of these license terms, and understand the // freedoms and responsibilities that he or she has by using this source/core. // // This core is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR // A PARTICULAR PURPOSE. // // Redistribution and use of source or resulting binaries, with or without modification // of this file, are permitted under one of the following two license terms: // // 1. The GNU General Public License version 2 as published by the // Free Software Foundation, which can be found in the top level directory // of this repository (LICENSE_GPL2), and also online at: // // // OR // // 2. An ADI specific BSD license, which can be found in the top level directory // of this repository (LICENSE_ADIBSD), and also on-line at: // https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD // This will allow to generate bit files and not release the source code, // as long as it attaches to an ADI device. // // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module system_top ( // clock and resets input sys_clk, input sys_resetn, // ddr3 output ddr3_clk_p, output ddr3_clk_n, output [ 14:0] ddr3_a, output [ 2:0] ddr3_ba, output ddr3_cke, output ddr3_cs_n, output ddr3_odt, output ddr3_reset_n, output ddr3_we_n, output ddr3_ras_n, output ddr3_cas_n, inout [ 7:0] ddr3_dqs_p, inout [ 7:0] ddr3_dqs_n, inout [ 63:0] ddr3_dq, output [ 7:0] ddr3_dm, input ddr3_rzq, input ddr3_ref_clk, // ethernet input eth_ref_clk, input eth_rxd, output eth_txd, output eth_mdc, inout eth_mdio, output eth_resetn, input eth_intn, // board gpio input [ 10:0] gpio_bd_i, output [ 15:0] gpio_bd_o, // flash output flash_oen, output [ 1:0] flash_cen, output [ 27:0] flash_addr, inout [ 31:0] flash_data, output flash_wen, output flash_advn, output flash_clk, output flash_resetn, // lane interface input ref_clk0, input ref_clk1, input [ 3:0] rx_serial_data, output [ 3:0] tx_serial_data, output rx_sync, output rx_os_sync, input tx_sync, input sysref, output ad9528_reset_b, output ad9528_sysref_req, output ad9371_tx1_enable, output ad9371_tx2_enable, output ad9371_rx1_enable, output ad9371_rx2_enable, output ad9371_test, output ad9371_reset_b, input ad9371_gpint, inout [ 18:0] ad9371_gpio, output spi_csn_ad9528, output spi_csn_ad9371, output spi_clk, output spi_mosi, input spi_miso ); // internal signals wire eth_reset; wire eth_mdio_i; wire eth_mdio_o; wire eth_mdio_t; wire [ 63:0] gpio_i; wire [ 63:0] gpio_o; wire [ 7:0] spi_csn_s; wire dac_fifo_bypass; wire [23:0] flash_addr_raw; // assignments assign spi_csn_ad9528 = spi_csn_s[0]; assign spi_csn_ad9371 = spi_csn_s[1]; // gpio (ad9371) assign gpio_i[63:61] = gpio_o[63:61]; assign dac_fifo_bypass = gpio_o[60]; assign gpio_i[60:60] = gpio_o[60:60]; assign ad9528_reset_b = gpio_o[59]; assign ad9528_sysref_req = gpio_o[58]; assign ad9371_tx1_enable = gpio_o[57]; assign ad9371_tx2_enable = gpio_o[56]; assign ad9371_rx1_enable = gpio_o[55]; assign ad9371_rx2_enable = gpio_o[54]; assign ad9371_test = gpio_o[53]; assign ad9371_reset_b = gpio_o[52]; assign gpio_i[59:52] = gpio_o[59:52]; assign gpio_i[51:51] = ad9371_gpint; assign gpio_i[50:32] = gpio_o[50:32]; // board stuff assign eth_resetn = ~eth_reset; assign eth_mdio_i = eth_mdio; assign eth_mdio = (eth_mdio_t == 1'b1) ? 1'bz : eth_mdio_o; assign ddr3_a[14:12] = 3'd0; assign gpio_i[31:27] = gpio_o[31:27]; assign gpio_i[26:16] = gpio_bd_i; assign gpio_i[15: 0] = gpio_o[15: 0]; assign gpio_bd_o = gpio_o[15:0]; // User code space at offset 0x0930_0000 per Intel's Board Update Portal // reference design used to program flash assign flash_addr = flash_addr_raw + 28'h9300000; // Common Flash interface assignments assign flash_resetn = 1'b1; assign flash_advn = 1'b0; assign flash_clk = 1'b0; assign flash_cen[1] = flash_cen[0]; system_bd i_system_bd ( .ad9371_gpio_export (ad9371_gpio), .sys_clk_clk (sys_clk), .sys_ddr3_cntrl_mem_mem_ck (ddr3_clk_p), .sys_ddr3_cntrl_mem_mem_ck_n (ddr3_clk_n), .sys_ddr3_cntrl_mem_mem_a (ddr3_a[11:0]), .sys_ddr3_cntrl_mem_mem_ba (ddr3_ba), .sys_ddr3_cntrl_mem_mem_cke (ddr3_cke), .sys_ddr3_cntrl_mem_mem_cs_n (ddr3_cs_n), .sys_ddr3_cntrl_mem_mem_odt (ddr3_odt), .sys_ddr3_cntrl_mem_mem_reset_n (ddr3_reset_n), .sys_ddr3_cntrl_mem_mem_we_n (ddr3_we_n), .sys_ddr3_cntrl_mem_mem_ras_n (ddr3_ras_n), .sys_ddr3_cntrl_mem_mem_cas_n (ddr3_cas_n), .sys_ddr3_cntrl_mem_mem_dqs (ddr3_dqs_p[7:0]), .sys_ddr3_cntrl_mem_mem_dqs_n (ddr3_dqs_n[7:0]), .sys_ddr3_cntrl_mem_mem_dq (ddr3_dq[63:0]), .sys_ddr3_cntrl_mem_mem_dm (ddr3_dm[7:0]), .sys_ddr3_cntrl_oct_oct_rzqin (ddr3_rzq), .sys_ddr3_cntrl_pll_ref_clk_clk (ddr3_ref_clk), .sys_ethernet_mdio_mdc (eth_mdc), .sys_ethernet_mdio_mdio_in (eth_mdio_i), .sys_ethernet_mdio_mdio_out (eth_mdio_o), .sys_ethernet_mdio_mdio_oen (eth_mdio_t), .sys_ethernet_ref_clk_clk (eth_ref_clk), .sys_ethernet_reset_reset (eth_reset), .sys_ethernet_sgmii_rxp_0 (eth_rxd), .sys_ethernet_sgmii_txp_0 (eth_txd), .sys_gpio_bd_in_port (gpio_i[31:0]), .sys_gpio_bd_out_port (gpio_o[31:0]), .sys_gpio_in_export (gpio_i[63:32]), .sys_gpio_out_export (gpio_o[63:32]), .pr_rom_data_nc_rom_data('h0), .sys_rst_reset_n (sys_resetn), .sys_spi_MISO (spi_miso), .sys_spi_MOSI (spi_mosi), .sys_spi_SCLK (spi_clk), .sys_spi_SS_n (spi_csn_s), .tx_serial_data_tx_serial_data (tx_serial_data), .tx_fifo_bypass_bypass (dac_fifo_bypass), .tx_ref_clk_clk (ref_clk1), .tx_sync_export (tx_sync), .tx_sysref_export (sysref), .rx_serial_data_rx_serial_data (rx_serial_data[1:0]), .rx_os_serial_data_rx_serial_data (rx_serial_data[3:2]), .rx_os_ref_clk_clk (ref_clk1), .rx_os_sync_export (rx_os_sync), .rx_os_sysref_export (sysref), .rx_ref_clk_clk (ref_clk1), .rx_sync_export (rx_sync), .rx_sysref_export (sysref), .sys_flash_tcm_address_out (flash_addr_raw), .sys_flash_tcm_read_n_out (flash_oen), .sys_flash_tcm_write_n_out (flash_wen), .sys_flash_tcm_data_out (flash_data), .sys_flash_tcm_chipselect_n_out (flash_cen[0])); endmodule