// *************************************************************************** // *************************************************************************** // 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 responsabilities 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 [ 13:0] 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, // ethernet input eth_rx_clk, input [ 3:0] eth_rx_data, input eth_rx_cntrl, output eth_tx_clk_out, output [ 3:0] eth_tx_data, output eth_tx_cntrl, output eth_mdc, input eth_mdio_i, output eth_mdio_o, output eth_mdio_t, output eth_phy_resetn, // board gpio output [ 15:0] gpio_bd_o, input [ 10:0] gpio_bd_i, // lane interface input ref_clk, input [ 7:0] rx_data, output rx_sync, output rx_sysref, // spi output spi_fout_enb_clk, output spi_fout_enb_mlo, output spi_fout_enb_rst, output spi_fout_enb_sync, output spi_fout_enb_sysref, output spi_fout_enb_trig, output spi_fout_clk, output spi_fout_sdio, output [ 3:0] spi_afe_csn, output spi_afe_clk, inout spi_afe_sdio, output spi_clk_csn, output spi_clk_clk, inout spi_clk_sdio, // gpio output clk_resetn, output clk_syncn, input clk_status, output afe_rst, output afe_trig, output afe_pdn, output afe_stby, output [ 13:0] dac_data, output dac_sleep, output amp_disbn, output prc_sck, output prc_cnv, input prc_sdo_i, input prc_sdo_q); // internal registers reg [ 3:0] phy_rst_cnt = 0; reg phy_rst_reg = 0; // internal signals wire sys_125m_clk; wire sys_25m_clk; wire sys_2m5_clk; wire sys_cpu_clk; wire sys_cpu_mem_resetn; wire sys_cpu_resetn; wire sys_pll_locked; wire eth_tx_clk; wire eth_tx_mode_1g; wire eth_tx_mode_10m_100m_n; wire rx_clk; wire [ 31:0] rx_ch_wr; wire [511:0] rx_ch_wdata; wire rx_ch_wovf; wire rx_ch_sync; wire [ 3:0] rx_ch_raddr; wire [ 3:0] rx_ip_sof; wire [255:0] rx_ip_data; wire [ 7:0] spi_csn_s; wire spi_clk; wire spi_mosi; wire spi_miso; wire [ 63:0] gpio_i; wire [ 63:0] gpio_o; // sys reset assign sys_cpu_resetn = sys_resetn & sys_cpu_mem_resetn & sys_pll_locked; // ethernet transmit clock assign eth_tx_clk = (eth_tx_mode_1g == 1'b1) ? sys_125m_clk : (eth_tx_mode_10m_100m_n == 1'b0) ? sys_25m_clk : sys_2m5_clk; assign eth_phy_resetn = phy_rst_reg; always@ (posedge eth_mdc) begin phy_rst_cnt <= phy_rst_cnt + 4'd1; if (phy_rst_cnt == 4'h0) begin phy_rst_reg <= sys_pll_locked; end end // gpio assign gpio_i[63:57] = gpio_o[63:57]; assign amp_disbn = gpio_o[56]; assign gpio_i[55:40] = gpio_o[55:40]; assign dac_sleep = gpio_o[54]; assign dac_data = gpio_o[53:40]; assign gpio_i[39:36] = gpio_o[39:36]; assign afe_stby = gpio_o[39]; assign afe_pdn = gpio_o[38]; assign afe_trig = gpio_o[37]; assign afe_rst = gpio_o[36]; assign gpio_i[35:35] = clk_status; assign gpio_i[34:32] = gpio_o[34:32]; assign clk_sync = gpio_o[34]; assign clk_resetn = gpio_o[33]; // gpio (bd) assign gpio_i[31:11] = gpio_o[31:11]; assign gpio_i[10: 0] = gpio_bd_i; assign gpio_bd_o = gpio_o[26:11]; // sysref ad_sysref_gen i_sysref ( .core_clk (rx_clk), .sysref_en (gpio_o[60]), .sysref_out (rx_sysref)); // spi (fanout buffers) assign spi_fout_enb_clk = 1'b0; assign spi_fout_enb_mlo = 1'b0; assign spi_fout_enb_rst = 1'b0; assign spi_fout_enb_sync = 1'b0; assign spi_fout_enb_sysref = 1'b0; assign spi_fout_enb_trig = 1'b0; assign spi_fout_clk = 1'b0; assign spi_fout_sdio = 1'b0; // spi (adc) assign prc_sck = 1'b0; assign prc_cnv = 1'b0; // spi (main) assign spi_afe_csn = spi_csn_s[ 4: 1]; assign spi_clk_csn = spi_csn_s[ 0: 0]; assign spi_afe_clk = spi_clk; assign spi_clk_clk = spi_clk; // instantiations usdrx1_spi i_spi ( .spi_afe_csn (spi_csn_s[4:1]), .spi_clk_csn (spi_csn_s[0]), .spi_clk (spi_clk), .spi_mosi (spi_mosi), .spi_miso (spi_miso), .spi_afe_sdio (spi_afe_sdio), .spi_clk_sdio (spi_clk_sdio)); altddio_out #(.width(1)) i_eth_tx_clk_out ( .aset (1'b0), .sset (1'b0), .sclr (1'b0), .oe (1'b1), .oe_out (), .datain_h (1'b1), .datain_l (1'b0), .outclocken (1'b1), .aclr (~sys_pll_locked), .outclock (eth_tx_clk), .dataout (eth_tx_clk_out)); system_bd i_system_bd ( .rx_ch_wdata_data (rx_ch_wdata), .rx_ch_wovf_ovf (rx_ch_wovf), .rx_ch_wr_valid (&rx_ch_wr), .rx_core_ch_0_enable (), .rx_core_ch_0_valid (rx_ch_wr[7:0]), .rx_core_ch_0_data (rx_ch_wdata[127:0]), .rx_core_ch_1_enable (), .rx_core_ch_1_valid (rx_ch_wr[15:8]), .rx_core_ch_1_data (rx_ch_wdata[255:128]), .rx_core_ch_2_enable (), .rx_core_ch_2_valid (rx_ch_wr[23:16]), .rx_core_ch_2_data (rx_ch_wdata[383:256]), .rx_core_ch_3_enable (), .rx_core_ch_3_valid (rx_ch_wr[31:24]), .rx_core_ch_3_data (rx_ch_wdata[511:384]), .rx_core_clk_clk (rx_clk), .rx_core_ovf_0_ovf (rx_ch_wovf), .rx_core_ovf_1_ovf (rx_ch_wovf), .rx_core_ovf_2_ovf (rx_ch_wovf), .rx_core_ovf_3_ovf (rx_ch_wovf), .rx_core_sync_0_sync_in (1'b0), .rx_core_sync_0_sync_out (rx_ch_sync), .rx_core_sync_0_raddr_in (4'd0), .rx_core_sync_0_raddr_out (rx_ch_raddr), .rx_core_sync_1_sync_in (rx_ch_sync), .rx_core_sync_1_sync_out (), .rx_core_sync_1_raddr_in (rx_ch_raddr), .rx_core_sync_1_raddr_out (), .rx_core_sync_2_sync_in (rx_ch_sync), .rx_core_sync_2_sync_out (), .rx_core_sync_2_raddr_in (rx_ch_raddr), .rx_core_sync_2_raddr_out (), .rx_core_sync_3_sync_in (rx_ch_sync), .rx_core_sync_3_sync_out (), .rx_core_sync_3_raddr_in (rx_ch_raddr), .rx_core_sync_3_raddr_out (), .rx_core_unf_0_unf (1'd0), .rx_core_unf_1_unf (1'd0), .rx_core_unf_2_unf (1'd0), .rx_core_unf_3_unf (1'd0), .rx_data_0_rx_serial_data (rx_data[0]), .rx_data_1_rx_serial_data (rx_data[1]), .rx_data_2_rx_serial_data (rx_data[2]), .rx_data_3_rx_serial_data (rx_data[3]), .rx_data_4_rx_serial_data (rx_data[4]), .rx_data_5_rx_serial_data (rx_data[5]), .rx_data_6_rx_serial_data (rx_data[6]), .rx_data_7_rx_serial_data (rx_data[7]), .rx_ip_data_data (rx_ip_data), .rx_ip_data_valid (), .rx_ip_data_ready (1'b1), .rx_ip_data_0_data (rx_ip_data[63:0]), .rx_ip_data_0_valid (1'b1), .rx_ip_data_0_ready (), .rx_ip_data_1_data (rx_ip_data[127:64]), .rx_ip_data_1_valid (1'b1), .rx_ip_data_1_ready (), .rx_ip_data_2_data (rx_ip_data[191:128]), .rx_ip_data_2_valid (1'b1), .rx_ip_data_2_ready (), .rx_ip_data_3_data (rx_ip_data[255:192]), .rx_ip_data_3_valid (1'b1), .rx_ip_data_3_ready (), .rx_ip_sof_export (rx_ip_sof), .rx_ip_sof_0_export (rx_ip_sof), .rx_ip_sof_1_export (rx_ip_sof), .rx_ip_sof_2_export (rx_ip_sof), .rx_ip_sof_3_export (rx_ip_sof), .rx_ref_clk_clk (ref_clk), .rx_sync_export (rx_sync), .rx_sysref_export (rx_sysref), .sys_125m_clk_clk (sys_125m_clk), .sys_25m_clk_clk (sys_25m_clk), .sys_2m5_clk_clk (sys_2m5_clk), .sys_clk_clk (sys_cpu_clk), .sys_cpu_clk_clk (sys_cpu_clk), .sys_cpu_reset_reset_n (sys_cpu_mem_resetn), .sys_ddr3_cntrl_mem_mem_a (ddr3_a), .sys_ddr3_cntrl_mem_mem_ba (ddr3_ba), .sys_ddr3_cntrl_mem_mem_ck (ddr3_clk_p), .sys_ddr3_cntrl_mem_mem_ck_n (ddr3_clk_n), .sys_ddr3_cntrl_mem_mem_cke (ddr3_cke), .sys_ddr3_cntrl_mem_mem_cs_n (ddr3_cs_n), .sys_ddr3_cntrl_mem_mem_dm (ddr3_dm), .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_we_n (ddr3_we_n), .sys_ddr3_cntrl_mem_mem_reset_n (ddr3_reset_n), .sys_ddr3_cntrl_mem_mem_dq (ddr3_dq), .sys_ddr3_cntrl_mem_mem_dqs (ddr3_dqs_p), .sys_ddr3_cntrl_mem_mem_dqs_n (ddr3_dqs_n), .sys_ddr3_cntrl_mem_mem_odt (ddr3_odt), .sys_ddr3_cntrl_oct_rzqin (ddr3_rzq), .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_rgmii_rgmii_in (eth_rx_data), .sys_ethernet_rgmii_rgmii_out (eth_tx_data), .sys_ethernet_rgmii_rx_control (eth_rx_cntrl), .sys_ethernet_rgmii_tx_control (eth_tx_cntrl), .sys_ethernet_rx_clk_clk (eth_rx_clk), .sys_ethernet_status_set_10 (), .sys_ethernet_status_set_1000 (), .sys_ethernet_status_eth_mode (eth_tx_mode_1g), .sys_ethernet_status_ena_10 (eth_tx_mode_10m_100m_n), .sys_ethernet_tx_clk_clk (eth_tx_clk), .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]), .sys_pll_locked_export (sys_pll_locked), .sys_ref_clk_clk (sys_clk), .sys_ref_rst_reset_n (sys_resetn), .sys_rst_reset_n (sys_cpu_resetn), .sys_spi_MISO (spi_miso), .sys_spi_MOSI (spi_mosi), .sys_spi_SCLK (spi_clk), .sys_spi_SS_n (spi_csn_s)); endmodule // *************************************************************************** // ***************************************************************************