340 lines
11 KiB
Verilog
340 lines
11 KiB
Verilog
// ***************************************************************************
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// ***************************************************************************
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// Copyright (C) 2014-2023 Analog Devices, Inc. All rights reserved.
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//
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// In this HDL repository, there are many different and unique modules, consisting
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// of various HDL (Verilog or VHDL) components. The individual modules are
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// developed independently, and may be accompanied by separate and unique license
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// terms.
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//
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// The user should read each of these license terms, and understand the
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// freedoms and responsibilities that he or she has by using this source/core.
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//
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// This core is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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// A PARTICULAR PURPOSE.
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//
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// Redistribution and use of source or resulting binaries, with or without modification
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// of this file, are permitted under one of the following two license terms:
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//
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// 1. The GNU General Public License version 2 as published by the
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// Free Software Foundation, which can be found in the top level directory
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// of this repository (LICENSE_GPL2), and also online at:
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// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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//
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// OR
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//
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// 2. An ADI specific BSD license, which can be found in the top level directory
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// of this repository (LICENSE_ADIBSD), and also on-line at:
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// https://github.com/analogdevicesinc/hdl/blob/main/LICENSE_ADIBSD
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// This will allow to generate bit files and not release the source code,
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// as long as it attaches to an ADI device.
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//
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module system_top (
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// clock and resets
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input sys_clk,
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input sys_resetn,
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// hps-ddr4 (32)
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input hps_ddr_ref_clk,
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output [ 0:0] hps_ddr_clk_p,
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output [ 0:0] hps_ddr_clk_n,
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output [ 16:0] hps_ddr_a,
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output [ 1:0] hps_ddr_ba,
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output [ 0:0] hps_ddr_bg,
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output [ 0:0] hps_ddr_cke,
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output [ 0:0] hps_ddr_cs_n,
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output [ 0:0] hps_ddr_odt,
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output [ 0:0] hps_ddr_reset_n,
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output [ 0:0] hps_ddr_act_n,
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output [ 0:0] hps_ddr_par,
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input [ 0:0] hps_ddr_alert_n,
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inout [ 3:0] hps_ddr_dqs_p,
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inout [ 3:0] hps_ddr_dqs_n,
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inout [ 31:0] hps_ddr_dq,
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inout [ 3:0] hps_ddr_dbi_n,
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input hps_ddr_rzq,
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// hps-ethernet
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input [ 0:0] hps_eth_rxclk,
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input [ 0:0] hps_eth_rxctl,
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input [ 3:0] hps_eth_rxd,
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output [ 0:0] hps_eth_txclk,
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output [ 0:0] hps_eth_txctl,
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output [ 3:0] hps_eth_txd,
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output [ 0:0] hps_eth_mdc,
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inout [ 0:0] hps_eth_mdio,
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// hps-sdio
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output [ 0:0] hps_sdio_clk,
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inout [ 0:0] hps_sdio_cmd,
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inout [ 7:0] hps_sdio_d,
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// hps-usb
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input [ 0:0] hps_usb_clk,
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input [ 0:0] hps_usb_dir,
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input [ 0:0] hps_usb_nxt,
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output [ 0:0] hps_usb_stp,
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inout [ 7:0] hps_usb_d,
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// hps-uart
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input [ 0:0] hps_uart_rx,
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output [ 0:0] hps_uart_tx,
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// hps-i2c (shared w fmc-a, fmc-b)
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inout [ 0:0] hps_i2c_sda,
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inout [ 0:0] hps_i2c_scl,
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// hps-gpio (max-v-u16)
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inout [ 3:0] hps_gpio,
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// gpio (max-v-u21)
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input [ 7:0] gpio_bd_i,
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output [ 3:0] gpio_bd_o,
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// mii interfaces
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output reset_a,
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output mdc_fmc_a,
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inout mdio_fmc_a,
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input [3:0] mii_rxd_a,
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input mii_rx_er_a,
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input mii_rx_dv_a,
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input mii_rx_clk_a,
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output [3:0] mii_txd_a,
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output mii_tx_en_a,
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input mii_tx_clk_a,
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input link_st_a,
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input mii_crs_a,
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input led_0_a,
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output reset_b,
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output mdc_fmc_b,
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inout mdio_fmc_b,
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input [3:0] mii_rxd_b,
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input mii_rx_er_b,
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input mii_rx_dv_b,
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input mii_rx_clk_b,
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output [3:0] mii_txd_b,
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output mii_tx_en_b,
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input mii_tx_clk_b,
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input link_st_b,
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input mii_crs_b,
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input led_0_b,
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// LEDs
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output led_ar_c_c2m,
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output led_ar_a_c2m,
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output led_al_c_c2m,
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output led_al_a_c2m,
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output led_br_c_c2m,
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output led_br_a_c2m,
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output led_bl_c_c2m,
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output led_bl_a_c2m
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);
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// internal signals
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wire sys_ddr_cal_success;
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wire sys_ddr_cal_fail;
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wire sys_hps_resetn;
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wire sys_resetn_s;
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wire [ 63:0] gpio_i;
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wire [ 63:0] gpio_o;
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wire hps_emac_mdi_i_a;
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wire hps_emac_mdo_o_a;
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wire hps_emac_mdo_o_e_a;
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wire hps_emac_mdi_i_b;
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wire hps_emac_mdo_o_b;
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wire hps_emac_mdo_o_e_b;
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wire [ 3:0] mii_txd_extra_a;
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wire [ 3:0] mii_txd_extra_b;
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wire [ 1:0] mac_speed_0;
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wire [ 1:0] mac_speed_1;
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// assignments
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// port a - right led (activity/status)
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assign led_ar_c_c2m = led_0_a;
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assign led_ar_a_c2m = 1'b0;
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// port a - left led (speed mode): 10M=off, 100M=yellow
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assign led_al_c_c2m = mac_speed_0[0];
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assign led_al_a_c2m = mac_speed_0[1];
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// port b - right led (activity/status)
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assign led_br_c_c2m = led_0_b;
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assign led_br_a_c2m = 1'b0;
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// port a - left led (speed mode): 10M=off, 100M=yellow
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assign led_bl_c_c2m = mac_speed_1[1];
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assign led_bl_a_c2m = mac_speed_1[0];
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assign gpio_i[63:36] = gpio_o[63:36];
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assign gpio_i[35] = link_st_a;
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assign gpio_i[34] = link_st_b;
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assign gpio_i[33] = mii_crs_a;
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assign gpio_i[32] = mii_crs_b;
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// board stuff (max-v-u21)
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assign gpio_i[31:12] = gpio_o[31:12];
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assign gpio_i[ 3: 0] = gpio_o[ 3: 0];
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assign gpio_i[11: 4] = gpio_bd_i;
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assign gpio_bd_o = gpio_o[3:0];
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ALT_IOBUF md_iobuf_a (
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.i(hps_emac_mdo_o_a),
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.oe(hps_emac_mdo_o_e_a),
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.o(hps_emac_mdi_i_a),
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.io(mdio_fmc_a));
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ALT_IOBUF md_iobuf_b (
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.i(hps_emac_mdo_o_b),
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.oe(hps_emac_mdo_o_e_b),
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.o(hps_emac_mdi_i_b),
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.io(mdio_fmc_b));
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// peripheral reset
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assign sys_resetn_s = sys_resetn & sys_hps_resetn;
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assign reset_a = ~sys_resetn_s;
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assign reset_b = ~sys_resetn_s;
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// instantiations
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system_bd i_system_bd (
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.sys_clk_clk (sys_clk),
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.sys_gpio_bd_in_port (gpio_i[31:0]),
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.sys_gpio_bd_out_port (gpio_o[31:0]),
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.sys_gpio_in_export (gpio_i[63:32]),
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.sys_gpio_out_export (gpio_o[63:32]),
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.pr_rom_data_nc_rom_data('h0),
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.sys_hps_ddr_mem_ck (hps_ddr_clk_p),
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.sys_hps_ddr_mem_ck_n (hps_ddr_clk_n),
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.sys_hps_ddr_mem_a (hps_ddr_a),
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.sys_hps_ddr_mem_act_n (hps_ddr_act_n),
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.sys_hps_ddr_mem_ba (hps_ddr_ba),
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.sys_hps_ddr_mem_bg (hps_ddr_bg),
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.sys_hps_ddr_mem_cke (hps_ddr_cke),
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.sys_hps_ddr_mem_cs_n (hps_ddr_cs_n),
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.sys_hps_ddr_mem_odt (hps_ddr_odt),
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.sys_hps_ddr_mem_reset_n (hps_ddr_reset_n),
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.sys_hps_ddr_mem_par (hps_ddr_par),
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.sys_hps_ddr_mem_alert_n (hps_ddr_alert_n),
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.sys_hps_ddr_mem_dqs (hps_ddr_dqs_p),
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.sys_hps_ddr_mem_dqs_n (hps_ddr_dqs_n),
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.sys_hps_ddr_mem_dq (hps_ddr_dq),
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.sys_hps_ddr_mem_dbi_n (hps_ddr_dbi_n),
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.sys_hps_ddr_oct_oct_rzqin (hps_ddr_rzq),
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.sys_hps_ddr_ref_clk_clk (hps_ddr_ref_clk),
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.sys_hps_ddr_rstn_reset_n (sys_resetn),
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.sys_hps_io_hps_io_phery_emac0_TX_CLK (hps_eth_txclk),
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.sys_hps_io_hps_io_phery_emac0_TXD0 (hps_eth_txd[0]),
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.sys_hps_io_hps_io_phery_emac0_TXD1 (hps_eth_txd[1]),
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.sys_hps_io_hps_io_phery_emac0_TXD2 (hps_eth_txd[2]),
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.sys_hps_io_hps_io_phery_emac0_TXD3 (hps_eth_txd[3]),
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.sys_hps_io_hps_io_phery_emac0_RX_CTL (hps_eth_rxctl),
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.sys_hps_io_hps_io_phery_emac0_TX_CTL (hps_eth_txctl),
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.sys_hps_io_hps_io_phery_emac0_RX_CLK (hps_eth_rxclk),
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.sys_hps_io_hps_io_phery_emac0_RXD0 (hps_eth_rxd[0]),
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.sys_hps_io_hps_io_phery_emac0_RXD1 (hps_eth_rxd[1]),
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.sys_hps_io_hps_io_phery_emac0_RXD2 (hps_eth_rxd[2]),
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.sys_hps_io_hps_io_phery_emac0_RXD3 (hps_eth_rxd[3]),
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.sys_hps_io_hps_io_phery_emac0_MDIO (hps_eth_mdio),
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.sys_hps_io_hps_io_phery_emac0_MDC (hps_eth_mdc),
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.sys_hps_io_hps_io_phery_sdmmc_CMD (hps_sdio_cmd),
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.sys_hps_io_hps_io_phery_sdmmc_D0 (hps_sdio_d[0]),
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.sys_hps_io_hps_io_phery_sdmmc_D1 (hps_sdio_d[1]),
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.sys_hps_io_hps_io_phery_sdmmc_D2 (hps_sdio_d[2]),
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.sys_hps_io_hps_io_phery_sdmmc_D3 (hps_sdio_d[3]),
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.sys_hps_io_hps_io_phery_sdmmc_D4 (hps_sdio_d[4]),
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.sys_hps_io_hps_io_phery_sdmmc_D5 (hps_sdio_d[5]),
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.sys_hps_io_hps_io_phery_sdmmc_D6 (hps_sdio_d[6]),
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.sys_hps_io_hps_io_phery_sdmmc_D7 (hps_sdio_d[7]),
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.sys_hps_io_hps_io_phery_sdmmc_CCLK (hps_sdio_clk),
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.sys_hps_io_hps_io_phery_usb0_DATA0 (hps_usb_d[0]),
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.sys_hps_io_hps_io_phery_usb0_DATA1 (hps_usb_d[1]),
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.sys_hps_io_hps_io_phery_usb0_DATA2 (hps_usb_d[2]),
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.sys_hps_io_hps_io_phery_usb0_DATA3 (hps_usb_d[3]),
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.sys_hps_io_hps_io_phery_usb0_DATA4 (hps_usb_d[4]),
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.sys_hps_io_hps_io_phery_usb0_DATA5 (hps_usb_d[5]),
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.sys_hps_io_hps_io_phery_usb0_DATA6 (hps_usb_d[6]),
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.sys_hps_io_hps_io_phery_usb0_DATA7 (hps_usb_d[7]),
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.sys_hps_io_hps_io_phery_usb0_CLK (hps_usb_clk),
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.sys_hps_io_hps_io_phery_usb0_STP (hps_usb_stp),
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.sys_hps_io_hps_io_phery_usb0_DIR (hps_usb_dir),
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.sys_hps_io_hps_io_phery_usb0_NXT (hps_usb_nxt),
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.sys_hps_io_hps_io_phery_uart1_RX (hps_uart_rx),
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.sys_hps_io_hps_io_phery_uart1_TX (hps_uart_tx),
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.sys_hps_io_hps_io_phery_i2c1_SDA (hps_i2c_sda),
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.sys_hps_io_hps_io_phery_i2c1_SCL (hps_i2c_scl),
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.sys_hps_io_hps_io_gpio_gpio1_io5 (hps_gpio[0]),
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.sys_hps_io_hps_io_gpio_gpio1_io14 (hps_gpio[1]),
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.sys_hps_io_hps_io_gpio_gpio1_io16 (hps_gpio[2]),
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.sys_hps_io_hps_io_gpio_gpio1_io17 (hps_gpio[3]),
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.sys_hps_out_rstn_reset_n (sys_hps_resetn),
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.sys_hps_rstn_reset_n (sys_resetn),
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.sys_rstn_reset_n (sys_resetn_s),
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.sys_hps_emac1_phy_mac_speed_o (mac_speed_0),
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.sys_hps_emac1_phy_txd_o ({mii_txd_extra_a,mii_txd_a}),
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.sys_hps_emac1_phy_txen_o (mii_tx_en_a),
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.sys_hps_emac1_phy_txer_o (),
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.sys_hps_emac1_phy_rxdv_i (mii_rx_dv_a),
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.sys_hps_emac1_phy_rxer_i (mii_rx_er_a),
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.sys_hps_emac1_phy_rxd_i ({4'h0,mii_rxd_a}),
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.sys_hps_emac1_phy_col_i (led_0_a),
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.sys_hps_emac1_phy_crs_i (mii_crs_a),
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.sys_hps_emac1_gmii_mdo_o (hps_emac_mdo_o_a),
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.sys_hps_emac1_gmii_mdo_o_e (hps_emac_mdo_o_e_a),
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.sys_hps_emac1_gmii_mdi_i (hps_emac_mdi_i_a),
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.sys_hps_emac1_md_clk_clk (mdc_fmc_a),
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.sys_hps_emac1_rx_clk_in_clk (mii_rx_clk_a),
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.sys_hps_emac1_tx_clk_in_clk (mii_tx_clk_a),
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.sys_hps_emac2_phy_mac_speed_o (mac_speed_1),
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.sys_hps_emac2_phy_txd_o ({mii_txd_extra_b,mii_txd_b}),
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.sys_hps_emac2_phy_txen_o (mii_tx_en_b),
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.sys_hps_emac2_phy_txer_o (),
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.sys_hps_emac2_phy_rxdv_i (mii_rx_dv_b),
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.sys_hps_emac2_phy_rxer_i (mii_rx_er_b),
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.sys_hps_emac2_phy_rxd_i ({4'h0,mii_rxd_b}),
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.sys_hps_emac2_phy_col_i (led_0_b),
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.sys_hps_emac2_phy_crs_i (mii_crs_b),
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.sys_hps_emac2_gmii_mdo_o (hps_emac_mdo_o_b),
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.sys_hps_emac2_gmii_mdo_o_e (hps_emac_mdo_o_e_b),
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.sys_hps_emac2_gmii_mdi_i (hps_emac_mdi_i_b),
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.sys_hps_emac2_md_clk_clk (mdc_fmc_b),
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.sys_hps_emac2_rx_clk_in_clk (mii_rx_clk_b),
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.sys_hps_emac2_tx_clk_in_clk (mii_tx_clk_b));
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endmodule
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