// *************************************************************************** // *************************************************************************** // Copyright (C) 2023 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/main/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 #( parameter RX_JESD_L = 8, parameter RX_NUM_LINKS = 1, parameter JESD_MODE = "64B66B" ) ( input sys_clk_n, input sys_clk_p, output ddr4_act_n, output [16:0] ddr4_adr, output [ 1:0] ddr4_ba, output [ 1:0] ddr4_bg, output ddr4_ck_c, output ddr4_ck_t, output ddr4_cke, output ddr4_cs_n, inout [ 7:0] ddr4_dm_n, inout [63:0] ddr4_dq, inout [ 7:0] ddr4_dqs_c, inout [ 7:0] ddr4_dqs_t, output ddr4_odt, output ddr4_reset_n, // GPIOs output [ 3:0] gpio_led, input [ 3:0] gpio_dip_sw, input [ 1:0] gpio_pb, // FMC HPC IOs input [ 1:0] agc0, input [ 1:0] agc1, input [ 1:0] agc2, input [ 1:0] agc3, input clkin10_n, input clkin10_p, input fpga_refclk_in_n, input fpga_refclk_in_p, input [RX_JESD_L*RX_NUM_LINKS-1:0] rx_data_n, input [RX_JESD_L*RX_NUM_LINKS-1:0] rx_data_p, output fpga_syncout_0_n, output fpga_syncout_0_p, inout fpga_syncout_1_n, inout fpga_syncout_1_p, inout [10:0] gpio, inout hmc_gpio1, output hmc_sync, input [ 1:0] irqb, output rstb, output [ 1:0] rxen, output spi0_csb, input spi0_miso, output spi0_mosi, output spi0_sclk, output spi1_csb, output spi1_sclk, inout spi1_sdio, input sysref2_n, input sysref2_p ); // internal signals wire [95:0] gpio_i; wire [95:0] gpio_o; wire [95:0] gpio_t; wire [ 2:0] spi0_csn; wire [ 2:0] spi1_csn; wire spi1_mosi; wire spi1_miso; wire sysref; wire [RX_NUM_LINKS-1:0] rx_syncout; wire [ 7:0] rx_data_p_loc; wire [ 7:0] rx_data_n_loc; wire clkin10; wire rx_device_clk; // instantiations IBUFDS_GTE5 i_ibufds_ref_clk ( .CEB (1'd0), .I (fpga_refclk_in_p), .IB (fpga_refclk_in_n), .O (ref_clk), .ODIV2 ()); IBUFDS i_ibufds_sysref ( .I (sysref2_p), .IB (sysref2_n), .O (sysref)); IBUFDS i_ibufds_rx_device_clk ( .I (clkin10_p), .IB (clkin10_n), .O (clkin10)); OBUFDS i_obufds_syncout_0 ( .I (rx_syncout[0]), .O (fpga_syncout_0_p), .OB (fpga_syncout_0_n)); BUFG i_rx_device_clk ( .I (clkin10), .O (rx_device_clk)); // spi assign spi0_csb = spi0_csn[0]; assign spi1_csb = spi1_csn[0]; ad_3w_spi #( .NUM_OF_SLAVES(1) ) i_spi ( .spi_csn (spi1_csn[0]), .spi_clk (spi1_sclk), .spi_mosi (spi1_mosi), .spi_miso (spi1_miso), .spi_sdio (spi1_sdio), .spi_dir ()); // gpios ad_iobuf #( .DATA_WIDTH(12) ) i_iobuf ( .dio_t (gpio_t[43:32]), .dio_i (gpio_o[43:32]), .dio_o (gpio_i[43:32]), .dio_p ({hmc_gpio1, // 43 gpio[10:0]})); // 42-32 assign gpio_i[44] = agc0[0]; assign gpio_i[45] = agc0[1]; assign gpio_i[46] = agc1[0]; assign gpio_i[47] = agc1[1]; assign gpio_i[48] = agc2[0]; assign gpio_i[49] = agc2[1]; assign gpio_i[50] = agc3[0]; assign gpio_i[51] = agc3[1]; assign gpio_i[52] = irqb[0]; assign gpio_i[53] = irqb[1]; assign hmc_sync = gpio_o[54]; assign rstb = gpio_o[55]; assign rxen[0] = gpio_o[56]; assign rxen[1] = gpio_o[57]; generate if (RX_NUM_LINKS > 1 & JESD_MODE == "8B10B") begin assign fpga_syncout_1_p = rx_syncout[1]; assign fpga_syncout_1_n = 0; end else begin ad_iobuf #( .DATA_WIDTH(2) ) i_syncout_iobuf ( .dio_t (gpio_t[63:62]), .dio_i (gpio_o[63:62]), .dio_o (gpio_i[63:62]), .dio_p ({fpga_syncout_1_n, // 63 fpga_syncout_1_p})); // 62 end endgenerate /* Board GPIOS. Buttons, LEDs, etc... */ assign gpio_led = gpio_o[3:0]; assign gpio_i[3:0] = gpio_o[3:0]; assign gpio_i[7: 4] = gpio_dip_sw; assign gpio_i[9: 8] = gpio_pb; // Unused GPIOs assign gpio_i[59:54] = gpio_o[59:54]; assign gpio_i[94:64] = gpio_o[94:64]; assign gpio_i[31:10] = gpio_o[31:10]; system_wrapper i_system_wrapper ( .gpio0_i (gpio_i[31:0]), .gpio0_o (gpio_o[31:0]), .gpio0_t (gpio_t[31:0]), .gpio1_i (gpio_i[63:32]), .gpio1_o (gpio_o[63:32]), .gpio1_t (gpio_t[63:32]), .gpio2_i (gpio_i[95:64]), .gpio2_o (gpio_o[95:64]), .gpio2_t (gpio_t[95:64]), .ddr4_dimm1_sma_clk_clk_n (sys_clk_n), .ddr4_dimm1_sma_clk_clk_p (sys_clk_p), .ddr4_dimm1_act_n (ddr4_act_n), .ddr4_dimm1_adr (ddr4_adr), .ddr4_dimm1_ba (ddr4_ba), .ddr4_dimm1_bg (ddr4_bg), .ddr4_dimm1_ck_c (ddr4_ck_c), .ddr4_dimm1_ck_t (ddr4_ck_t), .ddr4_dimm1_cke (ddr4_cke), .ddr4_dimm1_cs_n (ddr4_cs_n), .ddr4_dimm1_dm_n (ddr4_dm_n), .ddr4_dimm1_dq (ddr4_dq), .ddr4_dimm1_dqs_c (ddr4_dqs_c), .ddr4_dimm1_dqs_t (ddr4_dqs_t), .ddr4_dimm1_odt (ddr4_odt), .ddr4_dimm1_reset_n (ddr4_reset_n), .spi0_csn (spi0_csn), .spi0_miso (spi0_miso), .spi0_mosi (spi0_mosi), .spi0_sclk (spi0_sclk), .spi1_csn (spi1_csn), .spi1_miso (spi1_miso), .spi1_mosi (spi1_mosi), .spi1_sclk (spi1_sclk), // FMC HPC .GT_Serial_0_0_grx_p (rx_data_p_loc[3:0]), .GT_Serial_0_0_grx_n (rx_data_n_loc[3:0]), .GT_Serial_1_0_grx_p (rx_data_p_loc[7:4]), .GT_Serial_1_0_grx_n (rx_data_n_loc[7:4]), .gt_reset (~rstb), .ref_clk_q0 (ref_clk), .ref_clk_q1 (ref_clk), .rx_device_clk (rx_device_clk), .rx_sync_0 (rx_syncout), .rx_sysref_0 (sysref)); assign rx_data_p_loc[RX_JESD_L*RX_NUM_LINKS-1:0] = rx_data_p[RX_JESD_L*RX_NUM_LINKS-1:0]; assign rx_data_n_loc[RX_JESD_L*RX_NUM_LINKS-1:0] = rx_data_n[RX_JESD_L*RX_NUM_LINKS-1:0]; endmodule