pluto_hdl_adi/library/axi_adrv9001/axi_adrv9001.v

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// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2020 (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:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// 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 axi_adrv9001 #(
parameter ID = 0,
parameter CMOS_LVDS_N = 0,
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parameter TDD_DISABLE = 0,
parameter DDS_DISABLE = 0,
parameter INDEPENDENT_1R1T_SUPPORT = 1,
parameter COMMON_2R2T_SUPPORT = 1,
parameter DISABLE_RX2_SSI = 0,
parameter DISABLE_TX2_SSI = 0,
parameter RX_USE_BUFG = 0,
parameter TX_USE_BUFG = 0,
parameter IODELAY_CTRL = 1,
parameter IO_DELAY_GROUP = "dev_if_delay_group",
parameter FPGA_TECHNOLOGY = 0,
parameter FPGA_FAMILY = 0,
parameter SPEED_GRADE = 0,
parameter DEV_PACKAGE = 0,
parameter EXT_SYNC = 0,
parameter USE_RX_CLK_FOR_TX = 0
) (
input ref_clk,
input mssi_sync,
input tx_output_enable,
// external synchronization signals
input adc_sync_in,
input dac_sync_in,
// physical interface
input rx1_dclk_in_n_NC,
input rx1_dclk_in_p_dclk_in,
input rx1_idata_in_n_idata0,
input rx1_idata_in_p_idata1,
input rx1_qdata_in_n_qdata2,
input rx1_qdata_in_p_qdata3,
input rx1_strobe_in_n_NC,
input rx1_strobe_in_p_strobe_in,
input rx2_dclk_in_n_NC,
input rx2_dclk_in_p_dclk_in,
input rx2_idata_in_n_idata0,
input rx2_idata_in_p_idata1,
input rx2_qdata_in_n_qdata2,
input rx2_qdata_in_p_qdata3,
input rx2_strobe_in_n_NC,
input rx2_strobe_in_p_strobe_in,
output tx1_dclk_out_n_NC,
output tx1_dclk_out_p_dclk_out,
input tx1_dclk_in_n_NC,
input tx1_dclk_in_p_dclk_in,
output tx1_idata_out_n_idata0,
output tx1_idata_out_p_idata1,
output tx1_qdata_out_n_qdata2,
output tx1_qdata_out_p_qdata3,
output tx1_strobe_out_n_NC,
output tx1_strobe_out_p_strobe_out,
output tx2_dclk_out_n_NC,
output tx2_dclk_out_p_dclk_out,
input tx2_dclk_in_n_NC,
input tx2_dclk_in_p_dclk_in,
output tx2_idata_out_n_idata0,
output tx2_idata_out_p_idata1,
output tx2_qdata_out_n_qdata2,
output tx2_qdata_out_p_qdata3,
output tx2_strobe_out_n_NC,
output tx2_strobe_out_p_strobe_out,
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output rx1_enable,
output rx2_enable,
output tx1_enable,
output tx2_enable,
input delay_clk,
// user interface
output adc_1_clk,
output adc_1_rst,
output adc_1_valid_i0,
output adc_1_enable_i0,
output [15:0] adc_1_data_i0,
output adc_1_valid_q0,
output adc_1_enable_q0,
output [15:0] adc_1_data_q0,
output adc_1_valid_i1,
output adc_1_enable_i1,
output [15:0] adc_1_data_i1,
output adc_1_valid_q1,
output adc_1_enable_q1,
output [15:0] adc_1_data_q1,
input adc_1_dovf,
output adc_2_clk,
output adc_2_rst,
output adc_2_valid_i0,
output adc_2_enable_i0,
output [15:0] adc_2_data_i0,
output adc_2_valid_q0,
output adc_2_enable_q0,
output [15:0] adc_2_data_q0,
input adc_2_dovf,
output dac_1_clk,
output dac_1_rst,
output dac_1_valid_i0,
output dac_1_enable_i0,
input [15:0] dac_1_data_i0,
output dac_1_valid_q0,
output dac_1_enable_q0,
input [15:0] dac_1_data_q0,
output dac_1_valid_i1,
output dac_1_enable_i1,
input [15:0] dac_1_data_i1,
output dac_1_valid_q1,
output dac_1_enable_q1,
input [15:0] dac_1_data_q1,
input dac_1_dunf,
output dac_2_clk,
output dac_2_rst,
output dac_2_valid_i0,
output dac_2_enable_i0,
input [15:0] dac_2_data_i0,
output dac_2_valid_q0,
output dac_2_enable_q0,
input [15:0] dac_2_data_q0,
input dac_2_dunf,
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// TDD interface
input tdd_sync,
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output tdd_sync_cntr,
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input gpio_rx1_enable_in,
input gpio_rx2_enable_in,
input gpio_tx1_enable_in,
input gpio_tx2_enable_in,
// axi interface
input s_axi_aclk,
input s_axi_aresetn,
input s_axi_awvalid,
input [15:0] s_axi_awaddr,
output s_axi_awready,
input s_axi_wvalid,
input [31:0] s_axi_wdata,
input [ 3:0] s_axi_wstrb,
output s_axi_wready,
output s_axi_bvalid,
output [ 1:0] s_axi_bresp,
input s_axi_bready,
input s_axi_arvalid,
input [15:0] s_axi_araddr,
output s_axi_arready,
output s_axi_rvalid,
output [ 1:0] s_axi_rresp,
output [31:0] s_axi_rdata,
input s_axi_rready,
input [ 2:0] s_axi_awprot,
input [ 2:0] s_axi_arprot
);
localparam SEVEN_SERIES = 1;
localparam ULTRASCALE = 2;
localparam ULTRASCALE_PLUS = 3;
localparam DRP_WIDTH = FPGA_TECHNOLOGY == ULTRASCALE ? 9 :
FPGA_TECHNOLOGY == ULTRASCALE_PLUS ? 9 : 5;
localparam NUM_LANES = CMOS_LVDS_N ? 5 : 3;
// internal signals
wire up_wreq_s;
wire up_rreq_s;
wire [13:0] up_waddr_s;
wire [13:0] up_raddr_s;
wire [31:0] up_wdata_s;
wire [31:0] up_rdata_s;
wire up_wack_s;
wire up_rack_s;
wire [15:0] rx1_data_i;
wire [15:0] rx1_data_q;
wire rx1_data_valid;
wire rx1_single_lane;
wire rx1_sdr_ddr_n;
wire rx1_symb_op;
wire rx1_symb_8_16b;
wire [15:0] rx2_data_i;
wire [15:0] rx2_data_q;
wire rx2_data_valid;
wire rx2_single_lane;
wire rx2_sdr_ddr_n;
wire rx2_symb_op;
wire rx2_symb_8_16b;
wire [15:0] tx1_data_i;
wire [15:0] tx1_data_q;
wire tx1_data_valid;
wire tx1_single_lane;
wire tx1_sdr_ddr_n;
wire tx1_symb_op;
wire tx1_symb_8_16b;
wire [15:0] tx2_data_i;
wire [15:0] tx2_data_q;
wire tx2_data_valid;
wire tx2_single_lane;
wire tx2_sdr_ddr_n;
wire tx2_symb_op;
wire tx2_symb_8_16b;
wire adc_1_valid;
wire adc_2_valid;
wire dac_1_valid;
wire dac_2_valid;
// internal clocks & resets
wire up_rstn;
wire up_clk;
// clock/reset assignments
assign up_clk = s_axi_aclk;
assign up_rstn = s_axi_aresetn;
wire [NUM_LANES-1:0] up_rx1_dld;
wire [DRP_WIDTH*NUM_LANES-1:0] up_rx1_dwdata;
wire [DRP_WIDTH*NUM_LANES-1:0] up_rx1_drdata;
wire [NUM_LANES-1:0] up_rx2_dld;
wire [DRP_WIDTH*NUM_LANES-1:0] up_rx2_dwdata;
wire [DRP_WIDTH*NUM_LANES-1:0] up_rx2_drdata;
wire delay_rx1_rst;
wire delay_rx2_rst;
wire delay_rx1_locked;
wire delay_rx2_locked;
wire [31:0] adc_clk_ratio;
wire [31:0] dac_clk_ratio;
axi_adrv9001_if #(
.CMOS_LVDS_N (CMOS_LVDS_N),
.FPGA_TECHNOLOGY (FPGA_TECHNOLOGY),
.NUM_LANES (NUM_LANES),
.DRP_WIDTH (DRP_WIDTH),
.RX_USE_BUFG (RX_USE_BUFG),
.TX_USE_BUFG (TX_USE_BUFG),
.IODELAY_CTRL (IODELAY_CTRL),
.IO_DELAY_GROUP (IO_DELAY_GROUP),
.DISABLE_RX2_SSI (DISABLE_RX2_SSI),
.DISABLE_TX2_SSI (DISABLE_TX2_SSI),
.USE_RX_CLK_FOR_TX (USE_RX_CLK_FOR_TX)
) i_if(
//
// Physical interface
//
.ref_clk (ref_clk),
.mssi_sync (mssi_sync),
.tx_output_enable (tx_output_enable),
.rx1_dclk_in_n_NC (rx1_dclk_in_n_NC),
.rx1_dclk_in_p_dclk_in (rx1_dclk_in_p_dclk_in),
.rx1_idata_in_n_idata0 (rx1_idata_in_n_idata0),
.rx1_idata_in_p_idata1 (rx1_idata_in_p_idata1),
.rx1_qdata_in_n_qdata2 (rx1_qdata_in_n_qdata2),
.rx1_qdata_in_p_qdata3 (rx1_qdata_in_p_qdata3),
.rx1_strobe_in_n_NC (rx1_strobe_in_n_NC),
.rx1_strobe_in_p_strobe_in (rx1_strobe_in_p_strobe_in),
.rx2_dclk_in_n_NC (rx2_dclk_in_n_NC),
.rx2_dclk_in_p_dclk_in (rx2_dclk_in_p_dclk_in),
.rx2_idata_in_n_idata0 (rx2_idata_in_n_idata0),
.rx2_idata_in_p_idata1 (rx2_idata_in_p_idata1),
.rx2_qdata_in_n_qdata2 (rx2_qdata_in_n_qdata2),
.rx2_qdata_in_p_qdata3 (rx2_qdata_in_p_qdata3),
.rx2_strobe_in_n_NC (rx2_strobe_in_n_NC),
.rx2_strobe_in_p_strobe_in (rx2_strobe_in_p_strobe_in),
.tx1_dclk_out_n_NC (tx1_dclk_out_n_NC),
.tx1_dclk_out_p_dclk_out (tx1_dclk_out_p_dclk_out),
.tx1_dclk_in_n_NC (tx1_dclk_in_n_NC),
.tx1_dclk_in_p_dclk_in (tx1_dclk_in_p_dclk_in),
.tx1_idata_out_n_idata0 (tx1_idata_out_n_idata0),
.tx1_idata_out_p_idata1 (tx1_idata_out_p_idata1),
.tx1_qdata_out_n_qdata2 (tx1_qdata_out_n_qdata2),
.tx1_qdata_out_p_qdata3 (tx1_qdata_out_p_qdata3),
.tx1_strobe_out_n_NC (tx1_strobe_out_n_NC),
.tx1_strobe_out_p_strobe_out (tx1_strobe_out_p_strobe_out),
.tx2_dclk_out_n_NC (tx2_dclk_out_n_NC),
.tx2_dclk_out_p_dclk_out (tx2_dclk_out_p_dclk_out),
.tx2_dclk_in_n_NC (tx2_dclk_in_n_NC),
.tx2_dclk_in_p_dclk_in (tx2_dclk_in_p_dclk_in),
.tx2_idata_out_n_idata0 (tx2_idata_out_n_idata0),
.tx2_idata_out_p_idata1 (tx2_idata_out_p_idata1),
.tx2_qdata_out_n_qdata2 (tx2_qdata_out_n_qdata2),
.tx2_qdata_out_p_qdata3 (tx2_qdata_out_p_qdata3),
.tx2_strobe_out_n_NC (tx2_strobe_out_n_NC),
.tx2_strobe_out_p_strobe_out (tx2_strobe_out_p_strobe_out),
//
// Control interface
//
// delay interface (for IDELAY macros)
.delay_clk (delay_clk),
.delay_rx1_rst (delay_rx1_rst),
.delay_rx2_rst (delay_rx2_rst),
.delay_rx1_locked (delay_rx1_locked),
.delay_rx2_locked (delay_rx2_locked),
.up_clk (up_clk),
.up_rx1_dld (up_rx1_dld),
.up_rx1_dwdata (up_rx1_dwdata),
.up_rx1_drdata (up_rx1_drdata),
.up_rx2_dld (up_rx2_dld),
.up_rx2_dwdata (up_rx2_dwdata),
.up_rx2_drdata (up_rx2_drdata),
//
// Transport layer interface
//
// ADC interface
.adc_clk_ratio (adc_clk_ratio),
.rx1_clk (adc_1_clk),
.rx1_rst (adc_1_rst),
.rx1_data_valid (rx1_data_valid),
.rx1_data_i (rx1_data_i),
.rx1_data_q (rx1_data_q),
.rx1_single_lane (rx1_single_lane),
.rx1_sdr_ddr_n (rx1_sdr_ddr_n),
.rx1_symb_op (rx1_symb_op),
.rx1_symb_8_16b (rx1_symb_8_16b),
.rx2_clk (adc_2_clk),
.rx2_rst (adc_2_rst),
.rx2_data_valid (rx2_data_valid),
.rx2_data_i (rx2_data_i),
.rx2_data_q (rx2_data_q),
.rx2_single_lane (rx2_single_lane),
.rx2_sdr_ddr_n (rx2_sdr_ddr_n),
.rx2_symb_op (rx2_symb_op),
.rx2_symb_8_16b (rx2_symb_8_16b),
// DAC interface
.dac_clk_ratio (dac_clk_ratio),
.tx1_clk (dac_1_clk),
.tx1_rst (dac_1_rst),
.tx1_data_valid (tx1_data_valid),
.tx1_data_i (tx1_data_i),
.tx1_data_q (tx1_data_q),
.tx1_single_lane (tx1_single_lane),
.tx1_sdr_ddr_n (tx1_sdr_ddr_n),
.tx1_symb_op (tx1_symb_op),
.tx1_symb_8_16b (tx1_symb_8_16b),
.tx2_clk (dac_2_clk),
.tx2_rst (dac_2_rst),
.tx2_data_valid (tx2_data_valid),
.tx2_data_i (tx2_data_i),
.tx2_data_q (tx2_data_q),
.tx2_single_lane (tx2_single_lane),
.tx2_sdr_ddr_n (tx2_sdr_ddr_n),
.tx2_symb_op (tx2_symb_op),
.tx2_symb_8_16b (tx2_symb_8_16b)
);
// common processor control
axi_adrv9001_core #(
.ID (ID),
.NUM_LANES (NUM_LANES),
.CMOS_LVDS_N (CMOS_LVDS_N),
.USE_RX_CLK_FOR_TX (USE_RX_CLK_FOR_TX),
.DRP_WIDTH (DRP_WIDTH),
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.TDD_DISABLE (TDD_DISABLE),
.DDS_DISABLE (DDS_DISABLE),
.INDEPENDENT_1R1T_SUPPORT (INDEPENDENT_1R1T_SUPPORT),
.COMMON_2R2T_SUPPORT (COMMON_2R2T_SUPPORT),
.DISABLE_RX2_SSI (DISABLE_RX2_SSI),
.DISABLE_TX2_SSI (DISABLE_TX2_SSI),
.FPGA_TECHNOLOGY (FPGA_TECHNOLOGY),
.FPGA_FAMILY (FPGA_FAMILY),
.SPEED_GRADE (SPEED_GRADE),
.DEV_PACKAGE (DEV_PACKAGE),
.EXT_SYNC (EXT_SYNC)
) i_core (
// ADC interface
.rx1_clk (adc_1_clk),
.rx1_rst (adc_1_rst),
.rx1_data_valid (rx1_data_valid),
.rx1_data_i (rx1_data_i),
.rx1_data_q (rx1_data_q),
.rx1_single_lane (rx1_single_lane),
.rx1_sdr_ddr_n (rx1_sdr_ddr_n),
.rx1_symb_op (rx1_symb_op),
.rx1_symb_8_16b (rx1_symb_8_16b),
.rx2_clk (adc_2_clk),
.rx2_rst (adc_2_rst),
.rx2_data_valid (rx2_data_valid),
.rx2_data_i (rx2_data_i),
.rx2_data_q (rx2_data_q),
.rx2_single_lane (rx2_single_lane),
.rx2_sdr_ddr_n (rx2_sdr_ddr_n),
.rx2_symb_op (rx2_symb_op),
.rx2_symb_8_16b (rx2_symb_8_16b),
.adc_clk_ratio (adc_clk_ratio),
//DAC interface
.tx1_clk (dac_1_clk),
.tx1_rst (dac_1_rst),
.tx1_data_valid (tx1_data_valid),
.tx1_data_i (tx1_data_i),
.tx1_data_q (tx1_data_q),
.tx1_single_lane (tx1_single_lane),
.tx1_sdr_ddr_n (tx1_sdr_ddr_n),
.tx1_symb_op (tx1_symb_op),
.tx1_symb_8_16b (tx1_symb_8_16b),
.tx2_clk (dac_2_clk),
.tx2_rst (dac_2_rst),
.tx2_data_valid (tx2_data_valid),
.tx2_data_i (tx2_data_i),
.tx2_data_q (tx2_data_q),
.tx2_single_lane (tx2_single_lane),
.tx2_sdr_ddr_n (tx2_sdr_ddr_n),
.tx2_symb_op (tx2_symb_op),
.tx2_symb_8_16b (tx2_symb_8_16b),
.dac_clk_ratio (dac_clk_ratio),
//
// User layer interface
//
.adc_1_valid (adc_1_valid),
.adc_1_enable_i0 (adc_1_enable_i0),
.adc_1_data_i0 (adc_1_data_i0),
.adc_1_enable_q0 (adc_1_enable_q0),
.adc_1_data_q0 (adc_1_data_q0),
.adc_1_enable_i1 (adc_1_enable_i1),
.adc_1_data_i1 (adc_1_data_i1),
.adc_1_enable_q1 (adc_1_enable_q1),
.adc_1_data_q1 (adc_1_data_q1),
.adc_1_dovf (adc_1_dovf),
.adc_2_valid (adc_2_valid),
.adc_2_enable_i (adc_2_enable_i0),
.adc_2_data_i (adc_2_data_i0),
.adc_2_enable_q (adc_2_enable_q0),
.adc_2_data_q (adc_2_data_q0),
.adc_2_dovf (adc_2_dovf),
.dac_1_valid (dac_1_valid),
.dac_1_enable_i0 (dac_1_enable_i0),
.dac_1_data_i0 (dac_1_data_i0),
.dac_1_enable_q0 (dac_1_enable_q0),
.dac_1_data_q0 (dac_1_data_q0),
.dac_1_enable_i1 (dac_1_enable_i1),
.dac_1_data_i1 (dac_1_data_i1),
.dac_1_enable_q1 (dac_1_enable_q1),
.dac_1_data_q1 (dac_1_data_q1),
.dac_1_dunf (dac_1_dunf),
.dac_2_valid (dac_2_valid),
.dac_2_enable_i0 (dac_2_enable_i0),
.dac_2_data_i0 (dac_2_data_i0),
.dac_2_enable_q0 (dac_2_enable_q0),
.dac_2_data_q0 (dac_2_data_q0),
.dac_2_dunf (dac_2_dunf),
.delay_clk (delay_clk),
.up_rx1_dld (up_rx1_dld),
.up_rx1_dwdata (up_rx1_dwdata),
.up_rx1_drdata (up_rx1_drdata),
.delay_rx1_rst (delay_rx1_rst),
.delay_rx1_locked (delay_rx1_locked),
.up_rx2_dld (up_rx2_dld),
.up_rx2_dwdata (up_rx2_dwdata),
.up_rx2_drdata (up_rx2_drdata),
.delay_rx2_rst (delay_rx2_rst),
.delay_rx2_locked (delay_rx2_locked),
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// TDD interface
.tdd_sync (tdd_sync),
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.tdd_sync_cntr (tdd_sync_cntr),
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.tdd_rx1_rf_en (tdd_rx1_rf_en),
.tdd_tx1_rf_en (tdd_tx1_rf_en),
.tdd_if1_mode (tdd_if1_mode),
.tdd_rx2_rf_en (tdd_rx2_rf_en),
.tdd_tx2_rf_en (tdd_tx2_rf_en),
.tdd_if2_mode (tdd_if2_mode),
.ref_clk (ref_clk),
.adc_sync_in (adc_sync_in),
.dac_sync_in (dac_sync_in),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack_s),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata_s),
.up_rack (up_rack_s)
);
assign adc_1_valid_i0 = adc_1_valid;
assign adc_1_valid_q0 = adc_1_valid;
assign adc_1_valid_i1 = adc_1_valid;
assign adc_1_valid_q1 = adc_1_valid;
assign adc_2_valid_i0 = adc_2_valid;
assign adc_2_valid_q0 = adc_2_valid;
assign dac_1_valid_i0 = dac_1_valid;
assign dac_1_valid_q0 = dac_1_valid;
assign dac_1_valid_i1 = dac_1_valid;
assign dac_1_valid_q1 = dac_1_valid;
assign dac_2_valid_i0 = dac_2_valid;
assign dac_2_valid_q0 = dac_2_valid;
2020-08-24 10:34:48 +00:00
assign rx1_enable = tdd_if1_mode ? tdd_rx1_rf_en : gpio_rx1_enable_in;
assign rx2_enable = tdd_if2_mode ? tdd_rx2_rf_en : gpio_rx2_enable_in;
assign tx1_enable = tdd_if1_mode ? tdd_tx1_rf_en : gpio_tx1_enable_in;
assign tx2_enable = tdd_if2_mode ? tdd_tx2_rf_en : gpio_tx2_enable_in;
// up bus interface
up_axi #(
.AXI_ADDRESS_WIDTH(15)
) i_up_axi (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_axi_awvalid (s_axi_awvalid),
.up_axi_awaddr (s_axi_awaddr[14:0]),
.up_axi_awready (s_axi_awready),
.up_axi_wvalid (s_axi_wvalid),
.up_axi_wdata (s_axi_wdata),
.up_axi_wstrb (s_axi_wstrb),
.up_axi_wready (s_axi_wready),
.up_axi_bvalid (s_axi_bvalid),
.up_axi_bresp (s_axi_bresp),
.up_axi_bready (s_axi_bready),
.up_axi_arvalid (s_axi_arvalid),
.up_axi_araddr (s_axi_araddr[14:0]),
.up_axi_arready (s_axi_arready),
.up_axi_rvalid (s_axi_rvalid),
.up_axi_rresp (s_axi_rresp),
.up_axi_rdata (s_axi_rdata),
.up_axi_rready (s_axi_rready),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s[12:0]),
.up_wdata (up_wdata_s),
.up_rdata (up_rdata_s),
.up_wack (up_wack_s),
.up_raddr (up_raddr_s[12:0]),
.up_rreq (up_rreq_s),
.up_rack (up_rack_s)
);
// Alias Rx/Tx peripherals @ 0x8000
assign up_raddr_s[13] = 1'b0;
assign up_waddr_s[13] = 1'b0;
endmodule