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//*****************************************************************************

//   ____  ____

//  /   /\/   /

// /___/  \  /    Vendor             : Xilinx

// \   \   \/     Application        : MIG             

//  \   \         Filename           : memc_wrapper.v

//  /   /         Date Last Modified : $Date: 2010/08/

// /___/   /\     Date Created       : Mon Mar 2 2009

// \   \  /  \    

//  \___\/\___\

//

//Device           : Spartan-6

//Design Name      : DDR/DDR2/DDR3/LPDDR 

//Purpose          : This is a static top level module instantiating the mcb_ui_top,

//                   which provides interface to all the standard as well as AXI ports.

//                   This module memc_wrapper provides interface to only the standard ports.

//Reference        :

//Revision History :

//*****************************************************************************

`timescale 1ns/1ps

module memc_wrapper  #

  (

   parameter         C_MEMCLK_PERIOD           = 2500,

   parameter         C_P0_MASK_SIZE            = 4,

   parameter         C_P0_DATA_PORT_SIZE       = 32,

   parameter         C_P1_MASK_SIZE            = 4,

   parameter         C_P1_DATA_PORT_SIZE       = 32,

   parameter         C_PORT_ENABLE             = 6'b111111,

   parameter         C_PORT_CONFIG             = "B128",

   parameter         C_MEM_ADDR_ORDER          = "BANK_ROW_COLUMN",

   // The following parameter reflects the GUI selection of the Arbitration algorithm.

   // Zero value corresponds to round robin algorithm and one to custom selection.

   // The parameter is used to calculate the arbitration time slot parameters.                           

   parameter         C_ARB_ALGORITHM           = 0,

   parameter         C_ARB_NUM_TIME_SLOTS      = 12,

   parameter         C_ARB_TIME_SLOT_0         = 18'o012345,

   parameter         C_ARB_TIME_SLOT_1         = 18'o123450,

   parameter         C_ARB_TIME_SLOT_2         = 18'o234501,

   parameter         C_ARB_TIME_SLOT_3         = 18'o345012,

   parameter         C_ARB_TIME_SLOT_4         = 18'o450123,

   parameter         C_ARB_TIME_SLOT_5         = 18'o501234,

   parameter         C_ARB_TIME_SLOT_6         = 18'o012345,

   parameter         C_ARB_TIME_SLOT_7         = 18'o123450,

   parameter         C_ARB_TIME_SLOT_8         = 18'o234501,

   parameter         C_ARB_TIME_SLOT_9         = 18'o345012,

   parameter         C_ARB_TIME_SLOT_10        = 18'o450123,

   parameter         C_ARB_TIME_SLOT_11        = 18'o501234,

   parameter         C_MEM_TRAS                = 45000,

   parameter         C_MEM_TRCD                = 12500,

   parameter         C_MEM_TREFI               = 7800,

   parameter         C_MEM_TRFC                = 127500,

   parameter         C_MEM_TRP                 = 12500,

   parameter         C_MEM_TWR                 = 15000,

   parameter         C_MEM_TRTP                = 7500,

   parameter         C_MEM_TWTR                = 7500,

   parameter         C_NUM_DQ_PINS             = 8,

   parameter         C_MEM_TYPE                = "DDR3",

   parameter         C_MEM_DENSITY             = "512M",

   parameter         C_MEM_BURST_LEN           = 8,

   parameter         C_MEM_CAS_LATENCY         = 4,

   parameter         C_MEM_ADDR_WIDTH          = 13,

   parameter         C_MEM_BANKADDR_WIDTH      = 3,

   parameter         C_MEM_NUM_COL_BITS        = 11,

   parameter         C_MEM_DDR3_CAS_LATENCY    = 7,

   parameter         C_MEM_MOBILE_PA_SR        = "FULL",

   parameter         C_MEM_DDR1_2_ODS          = "FULL",

   parameter         C_MEM_DDR3_ODS            = "DIV6",

   parameter         C_MEM_DDR2_RTT            = "50OHMS",

   parameter         C_MEM_DDR3_RTT            = "DIV2",

   parameter         C_MEM_MDDR_ODS            = "FULL",

   parameter         C_MEM_DDR2_DIFF_DQS_EN    = "YES",

   parameter         C_MEM_DDR2_3_PA_SR        = "OFF",

   parameter         C_MEM_DDR3_CAS_WR_LATENCY = 5,

   parameter         C_MEM_DDR3_AUTO_SR        = "ENABLED",

   parameter         C_MEM_DDR2_3_HIGH_TEMP_SR = "NORMAL",

   parameter         C_MEM_DDR3_DYN_WRT_ODT    = "OFF",

   parameter         C_MC_CALIB_BYPASS         = "NO",

   parameter         LDQSP_TAP_DELAY_VAL       = 0,

   parameter         UDQSP_TAP_DELAY_VAL       = 0,

   parameter         LDQSN_TAP_DELAY_VAL       = 0,

   parameter         UDQSN_TAP_DELAY_VAL       = 0,

   parameter         DQ0_TAP_DELAY_VAL         = 0,

   parameter         DQ1_TAP_DELAY_VAL         = 0,

   parameter         DQ2_TAP_DELAY_VAL         = 0,

   parameter         DQ3_TAP_DELAY_VAL         = 0,

   parameter         DQ4_TAP_DELAY_VAL         = 0,

   parameter         DQ5_TAP_DELAY_VAL         = 0,

   parameter         DQ6_TAP_DELAY_VAL         = 0,

   parameter         DQ7_TAP_DELAY_VAL         = 0,

   parameter         DQ8_TAP_DELAY_VAL         = 0,

   parameter         DQ9_TAP_DELAY_VAL         = 0,

   parameter         DQ10_TAP_DELAY_VAL        = 0,

   parameter         DQ11_TAP_DELAY_VAL        = 0,

   parameter         DQ12_TAP_DELAY_VAL        = 0,

   parameter         DQ13_TAP_DELAY_VAL        = 0,

   parameter         DQ14_TAP_DELAY_VAL        = 0,

   parameter         DQ15_TAP_DELAY_VAL        = 0,

   parameter         C_CALIB_SOFT_IP           = "TRUE",

   parameter         C_SIMULATION              = "FALSE",

   parameter         C_SKIP_IN_TERM_CAL        = 1'b0,

   parameter         C_SKIP_DYNAMIC_CAL        = 1'b0,

   parameter         C_MC_CALIBRATION_MODE     = "CALIBRATION",

   parameter         C_MC_CALIBRATION_DELAY    = "HALF"

  )

  (

   // Raw Wrapper Signals

   input                                     sysclk_2x,

   input                                     sysclk_2x_180,

   input                                     pll_ce_0,

   input                                     pll_ce_90,

   input                                     pll_lock,

   input                                     async_rst,

   input                                     mcb_drp_clk,

   output      [C_MEM_ADDR_WIDTH-1:0]        mcbx_dram_addr,

   output      [C_MEM_BANKADDR_WIDTH-1:0]    mcbx_dram_ba,

   output                                    mcbx_dram_ras_n,

   output                                    mcbx_dram_cas_n,

   output                                    mcbx_dram_we_n,

   output                                    mcbx_dram_cke,

   output                                    mcbx_dram_clk,

   output                                    mcbx_dram_clk_n,

   inout       [C_NUM_DQ_PINS-1:0]           mcbx_dram_dq,

   inout                                     mcbx_dram_dqs,

   inout                                     mcbx_dram_dqs_n,

   inout                                     mcbx_dram_udqs,

   inout                                     mcbx_dram_udqs_n,

   output                                    mcbx_dram_udm,

   output                                    mcbx_dram_ldm,

   output                                    mcbx_dram_odt,

   output                                    mcbx_dram_ddr3_rst,

   inout                                     mcbx_rzq,

   inout                                     mcbx_zio,

   output                                    calib_done,

   input                                     selfrefresh_enter,

   output                                    selfrefresh_mode,

// This new memc_wrapper shows all the six logical static user ports. The port

// configuration parameter and the port enable parameter are the ones that 

// determine the active and non-active ports. The following list shows the 

// default active ports for each port configuration.

//

// Config 1: "B32_B32_X32_X32_X32_X32"

//            User port 0  --> 32 bit,  User port 1  --> 32 bit 

//            User port 2  --> 32 bit,  User port 3  --> 32 bit

//            User port 4  --> 32 bit,  User port 5  --> 32 bit

// Config 2: "B32_B32_B32_B32"  

//            User port 0  --> 32 bit 

//            User port 1  --> 32 bit 

//            User port 2  --> 32 bit 

//            User port 3  --> 32 bit 

// Config 3: "B64_B32_B3"  

//            User port 0  --> 64 bit 

//            User port 1  --> 32 bit 

//            User port 2  --> 32 bit 

// Config 4: "B64_B64"          

//            User port 0  --> 64 bit 

//            User port 1  --> 64 bit

// Config 5  "B128"          

//            User port 0  --> 128 bit

   // User Port-0 command interface will be active only when the port is enabled in 

   // the port configurations Config-1, Config-2, Config-3, Config-4 and Config-5

   input                                     p0_cmd_clk,

   input                                     p0_cmd_en,

   input       [2:0]                         p0_cmd_instr,

   input       [5:0]                         p0_cmd_bl,

   input       [29:0]                        p0_cmd_byte_addr,

   output                                    p0_cmd_full,

   output                                    p0_cmd_empty,

   // User Port-0 data write interface will be active only when the port is enabled in

   // the port configurations Config-1, Config-2, Config-3, Config-4 and Config-5

   input                                     p0_wr_clk,

   input                                     p0_wr_en,

   input       [C_P0_MASK_SIZE-1:0]          p0_wr_mask,

   input       [C_P0_DATA_PORT_SIZE-1:0]     p0_wr_data,

   output                                    p0_wr_full,

   output      [6:0]                         p0_wr_count,

   output                                    p0_wr_empty,

   output                                    p0_wr_underrun,

   output                                    p0_wr_error,

   // User Port-0 data read interface will be active only when the port is enabled in

   // the port configurations Config-1, Config-2, Config-3, Config-4 and Config-5

   input                                     p0_rd_clk,

   input                                     p0_rd_en,

   output      [C_P0_DATA_PORT_SIZE-1:0]     p0_rd_data,

   output                                    p0_rd_empty,

   output      [6:0]                         p0_rd_count,

   output                                    p0_rd_full,

   output                                    p0_rd_overflow,

   output                                    p0_rd_error,

   // User Port-1 command interface will be active only when the port is enabled in 

   // the port configurations Config-1, Config-2, Config-3 and Config-4

   input                                     p1_cmd_clk,

   input                                     p1_cmd_en,

   input       [2:0]                         p1_cmd_instr,

   input       [5:0]                         p1_cmd_bl,

   input       [29:0]                        p1_cmd_byte_addr,

   output                                    p1_cmd_full,

   output                                    p1_cmd_empty,

   // User Port-1 data write interface will be active only when the port is enabled in 

   // the port configurations Config-1, Config-2, Config-3 and Config-4

   input                                     p1_wr_clk,

   input                                     p1_wr_en,

   input       [C_P1_MASK_SIZE-1:0]          p1_wr_mask,

   input       [C_P1_DATA_PORT_SIZE-1:0]     p1_wr_data,

   output                                    p1_wr_full,

   output      [6:0]                         p1_wr_count,

   output                                    p1_wr_empty,

   output                                    p1_wr_underrun,

   output                                    p1_wr_error,

   // User Port-1 data read interface will be active only when the port is enabled in 

   // the port configurations Config-1, Config-2, Config-3 and Config-4

   input                                     p1_rd_clk,

   input                                     p1_rd_en,

   output      [C_P1_DATA_PORT_SIZE-1:0]     p1_rd_data,

   output                                    p1_rd_empty,

   output      [6:0]                         p1_rd_count,

   output                                    p1_rd_full,

   output                                    p1_rd_overflow,

   output                                    p1_rd_error,

   // User Port-2 command interface will be active only when the port is enabled in 

   // the port configurations Config-1, Config-2 and Config-3

   input                                     p2_cmd_clk,

   input                                     p2_cmd_en,

   input       [2:0]                         p2_cmd_instr,

   input       [5:0]                         p2_cmd_bl,

   input       [29:0]                        p2_cmd_byte_addr,

   output                                    p2_cmd_full,

   output                                    p2_cmd_empty,

   // User Port-2 data write interface will be active only when the port is enabled in 

   // the port configurations Config-1 write direction, Config-2 and Config-3

   input                                     p2_wr_clk,

   input                                     p2_wr_en,

   input       [3:0]                         p2_wr_mask,

   input       [31:0]                        p2_wr_data,

   output                                    p2_wr_full,

   output      [6:0]                         p2_wr_count,

   output                                    p2_wr_empty,

   output                                    p2_wr_underrun,

   output                                    p2_wr_error,

   // User Port-2 data read interface will be active only when the port is enabled in 

   // the port configurations Config-1 read direction, Config-2 and Config-3

   input                                     p2_rd_clk,

   input                                     p2_rd_en,

   output      [31:0]                        p2_rd_data,

   output                                    p2_rd_empty,

   output      [6:0]                         p2_rd_count,

   output                                    p2_rd_full,

   output                                    p2_rd_overflow,

   output                                    p2_rd_error,

   // User Port-3 command interface will be active only when the port is enabled in 

   // the port configurations Config-1 and Config-2

   input                                     p3_cmd_clk,

   input                                     p3_cmd_en,

   input       [2:0]                         p3_cmd_instr,

   input       [5:0]                         p3_cmd_bl,

   input       [29:0]                        p3_cmd_byte_addr,

   output                                    p3_cmd_full,

   output                                    p3_cmd_empty,

   // User Port-3 data write interface will be active only when the port is enabled in 

   // the port configurations Config-1 write direction and Config-2

   input                                     p3_wr_clk,

   input                                     p3_wr_en,

   input       [3:0]                         p3_wr_mask,

   input       [31:0]                        p3_wr_data,

   output                                    p3_wr_full,

   output      [6:0]                         p3_wr_count,

   output                                    p3_wr_empty,

   output                                    p3_wr_underrun,

   output                                    p3_wr_error,

   // User Port-3 data read interface will be active only when the port is enabled in 

   // the port configurations Config-1 read direction and Config-2

   input                                     p3_rd_clk,

   input                                     p3_rd_en,

   output      [31:0]                        p3_rd_data,

   output                                    p3_rd_empty,

   output      [6:0]                         p3_rd_count,

   output                                    p3_rd_full,

   output                                    p3_rd_overflow,

   output                                    p3_rd_error,

   // User Port-4 command interface will be active only when the port is enabled in 

   // the port configuration Config-1

   input                                     p4_cmd_clk,

   input                                     p4_cmd_en,

   input       [2:0]                         p4_cmd_instr,

   input       [5:0]                         p4_cmd_bl,

   input       [29:0]                        p4_cmd_byte_addr,

   output                                    p4_cmd_full,

   output                                    p4_cmd_empty,

   // User Port-4 data write interface will be active only when the port is enabled in 

   // the port configuration Config-1 write direction

   input                                     p4_wr_clk,

   input                                     p4_wr_en,

   input       [3:0]                         p4_wr_mask,

   input       [31:0]                        p4_wr_data,

   output                                    p4_wr_full,

   output      [6:0]                         p4_wr_count,

   output                                    p4_wr_empty,

   output                                    p4_wr_underrun,

   output                                    p4_wr_error,

   // User Port-4 data read interface will be active only when the port is enabled in 

   // the port configuration Config-1 read direction

   input                                     p4_rd_clk,

   input                                     p4_rd_en,

   output      [31:0]                        p4_rd_data,

   output                                    p4_rd_empty,

   output      [6:0]                         p4_rd_count,

   output                                    p4_rd_full,

   output                                    p4_rd_overflow,

   output                                    p4_rd_error,

   // User Port-5 command interface will be active only when the port is enabled in 

   // the port configuration Config-1

   input                                     p5_cmd_clk,

   input                                     p5_cmd_en,

   input       [2:0]                         p5_cmd_instr,

   input       [5:0]                         p5_cmd_bl,

   input       [29:0]                        p5_cmd_byte_addr,

   output                                    p5_cmd_full,

   output                                    p5_cmd_empty,

   // User Port-5 data write interface will be active only when the port is enabled in 

   // the port configuration Config-1 write direction

   input                                     p5_wr_clk,

   input                                     p5_wr_en,

   input       [3:0]                         p5_wr_mask,

   input       [31:0]                        p5_wr_data,

   output                                    p5_wr_full,

   output      [6:0]                         p5_wr_count,

   output                                    p5_wr_empty,

   output                                    p5_wr_underrun,

   output                                    p5_wr_error,

   // User Port-5 data read interface will be active only when the port is enabled in 

   // the port configuration Config-1 read direction

   input                                     p5_rd_clk,

   input                                     p5_rd_en,

   output      [31:0]                        p5_rd_data,

   output                                    p5_rd_empty,

   output      [6:0]                         p5_rd_count,

   output                                    p5_rd_full,

   output                                    p5_rd_overflow,

   output                                    p5_rd_error

  );

   localparam C_MC_CALIBRATION_CLK_DIV  = 1;

   localparam C_MEM_TZQINIT_MAXCNT      = 10'd512 + 10'd16;   // 16 clock cycles are added to avoid trfc violations

   localparam C_SKIP_DYN_IN_TERM        = 1'b1;

   localparam C_MC_CALIBRATION_RA       = 16'h0000;

   localparam C_MC_CALIBRATION_BA       = 3'h0;

   localparam C_MC_CALIBRATION_CA       = 12'h000;

// All the following new localparams and signals are added to support 

// the AXI slave interface. They have no function to play in a standard

// interface design and can be ignored. 

   localparam C_S0_AXI_ID_WIDTH         = 4;

   localparam C_S0_AXI_ADDR_WIDTH       = 64;

   localparam C_S0_AXI_DATA_WIDTH       = 32;

   localparam C_S1_AXI_ID_WIDTH         = 4;

   localparam C_S1_AXI_ADDR_WIDTH       = 64;

   localparam C_S1_AXI_DATA_WIDTH       = 32;

   localparam C_S2_AXI_ID_WIDTH         = 4;

   localparam C_S2_AXI_ADDR_WIDTH       = 64;

   localparam C_S2_AXI_DATA_WIDTH       = 32;

   localparam C_S3_AXI_ID_WIDTH         = 4;

   localparam C_S3_AXI_ADDR_WIDTH       = 64;

   localparam C_S3_AXI_DATA_WIDTH       = 32;

   localparam C_S4_AXI_ID_WIDTH         = 4;

   localparam C_S4_AXI_ADDR_WIDTH       = 64;

   localparam C_S4_AXI_DATA_WIDTH       = 32;

   localparam C_S5_AXI_ID_WIDTH         = 4;

   localparam C_S5_AXI_ADDR_WIDTH       = 64;

   localparam C_S5_AXI_DATA_WIDTH       = 32;

   localparam C_MCB_USE_EXTERNAL_BUFPLL = 1;

// AXI wire declarations

// AXI interface of the mcb_ui_top module is connected to the following

// floating wires in all the standard interface designs.

   wire                                      s0_axi_aclk;

   wire                                      s0_axi_aresetn;

   wire [C_S0_AXI_ID_WIDTH-1:0]              s0_axi_awid;

   wire [C_S0_AXI_ADDR_WIDTH-1:0]            s0_axi_awaddr;

   wire [7:0]                                s0_axi_awlen;

   wire [2:0]                                s0_axi_awsize;

   wire [1:0]                                s0_axi_awburst;

   wire [0:0]                                s0_axi_awlock;

   wire [3:0]                                s0_axi_awcache;

   wire [2:0]                                s0_axi_awprot;

   wire [3:0]                                s0_axi_awqos;

   wire                                      s0_axi_awvalid;

   wire                                      s0_axi_awready;

   wire [C_S0_AXI_DATA_WIDTH-1:0]            s0_axi_wdata;

   wire [C_S0_AXI_DATA_WIDTH/8-1:0]          s0_axi_wstrb;

   wire                                      s0_axi_wlast;

   wire                                      s0_axi_wvalid;

   wire                                      s0_axi_wready;

   wire [C_S0_AXI_ID_WIDTH-1:0]              s0_axi_bid;

   wire [1:0]                                s0_axi_bresp;

   wire                                      s0_axi_bvalid;

   wire                                      s0_axi_bready;

   wire [C_S0_AXI_ID_WIDTH-1:0]              s0_axi_arid;

   wire [C_S0_AXI_ADDR_WIDTH-1:0]            s0_axi_araddr;

   wire [7:0]                                s0_axi_arlen;

   wire [2:0]                                s0_axi_arsize;

   wire [1:0]                                s0_axi_arburst;

   wire [0:0]                                s0_axi_arlock;

   wire [3:0]                                s0_axi_arcache;

   wire [2:0]                                s0_axi_arprot;

   wire [3:0]                                s0_axi_arqos;

   wire                                      s0_axi_arvalid;

   wire                                      s0_axi_arready;

   wire [C_S0_AXI_ID_WIDTH-1:0]              s0_axi_rid;

   wire [C_S0_AXI_DATA_WIDTH-1:0]            s0_axi_rdata;

   wire [1:0]                                s0_axi_rresp;

   wire                                      s0_axi_rlast;

   wire                                      s0_axi_rvalid;

   wire                                      s0_axi_rready;

   wire                                      s1_axi_aclk;

   wire                                      s1_axi_aresetn;

   wire [C_S1_AXI_ID_WIDTH-1:0]              s1_axi_awid;

   wire [C_S1_AXI_ADDR_WIDTH-1:0]            s1_axi_awaddr;

   wire [7:0]                                s1_axi_awlen;

   wire [2:0]                                s1_axi_awsize;

   wire [1:0]                                s1_axi_awburst;

   wire [0:0]                                s1_axi_awlock;

   wire [3:0]                                s1_axi_awcache;

   wire [2:0]                                s1_axi_awprot;

   wire [3:0]                                s1_axi_awqos;

   wire                                      s1_axi_awvalid;

   wire                                      s1_axi_awready;

   wire [C_S1_AXI_DATA_WIDTH-1:0]            s1_axi_wdata;

   wire [C_S1_AXI_DATA_WIDTH/8-1:0]          s1_axi_wstrb;

   wire                                      s1_axi_wlast;

   wire                                      s1_axi_wvalid;

   wire                                      s1_axi_wready;

   wire [C_S1_AXI_ID_WIDTH-1:0]              s1_axi_bid;

   wire [1:0]                                s1_axi_bresp;

   wire                                      s1_axi_bvalid;

   wire                                      s1_axi_bready;

   wire [C_S1_AXI_ID_WIDTH-1:0]              s1_axi_arid;

   wire [C_S1_AXI_ADDR_WIDTH-1:0]            s1_axi_araddr;

   wire [7:0]                                s1_axi_arlen;

   wire [2:0]                                s1_axi_arsize;

   wire [1:0]                                s1_axi_arburst;

   wire [0:0]                                s1_axi_arlock;

   wire [3:0]                                s1_axi_arcache;

   wire [2:0]                                s1_axi_arprot;

   wire [3:0]                                s1_axi_arqos;

   wire                                      s1_axi_arvalid;

   wire                                      s1_axi_arready;

   wire [C_S1_AXI_ID_WIDTH-1:0]              s1_axi_rid;

   wire [C_S1_AXI_DATA_WIDTH-1:0]            s1_axi_rdata;

   wire [1:0]                                s1_axi_rresp;

   wire                                      s1_axi_rlast;

   wire                                      s1_axi_rvalid;

   wire                                      s1_axi_rready;

   wire                                      s2_axi_aclk;

   wire                                      s2_axi_aresetn;

   wire [C_S2_AXI_ID_WIDTH-1:0]              s2_axi_awid;

   wire [C_S2_AXI_ADDR_WIDTH-1:0]            s2_axi_awaddr;

   wire [7:0]                                s2_axi_awlen;

   wire [2:0]                                s2_axi_awsize;

   wire [1:0]                                s2_axi_awburst;

   wire [0:0]                                s2_axi_awlock;

   wire [3:0]                                s2_axi_awcache;

   wire [2:0]                                s2_axi_awprot;

   wire [3:0]                                s2_axi_awqos;

   wire                                      s2_axi_awvalid;

   wire                                      s2_axi_awready;

   wire [C_S2_AXI_DATA_WIDTH-1:0]            s2_axi_wdata;

   wire [C_S2_AXI_DATA_WIDTH/8-1:0]          s2_axi_wstrb;

   wire                                      s2_axi_wlast;

   wire                                      s2_axi_wvalid;

   wire                                      s2_axi_wready;

   wire [C_S2_AXI_ID_WIDTH-1:0]              s2_axi_bid;

   wire [1:0]                                s2_axi_bresp;

   wire                                      s2_axi_bvalid;

   wire                                      s2_axi_bready;

   wire [C_S2_AXI_ID_WIDTH-1:0]              s2_axi_arid;

   wire [C_S2_AXI_ADDR_WIDTH-1:0]            s2_axi_araddr;

   wire [7:0]                                s2_axi_arlen;

   wire [2:0]                                s2_axi_arsize;

   wire [1:0]                                s2_axi_arburst;

   wire [0:0]                                s2_axi_arlock;

   wire [3:0]                                s2_axi_arcache;

   wire [2:0]                                s2_axi_arprot;

   wire [3:0]                                s2_axi_arqos;

   wire                                      s2_axi_arvalid;

   wire                                      s2_axi_arready;

   wire [C_S2_AXI_ID_WIDTH-1:0]              s2_axi_rid;

   wire [C_S2_AXI_DATA_WIDTH-1:0]            s2_axi_rdata;

   wire [1:0]                                s2_axi_rresp;

   wire                                      s2_axi_rlast;

   wire                                      s2_axi_rvalid;

   wire                                      s2_axi_rready;

   wire                                      s3_axi_aclk;

   wire                                      s3_axi_aresetn;

   wire [C_S3_AXI_ID_WIDTH-1:0]              s3_axi_awid;

   wire [C_S3_AXI_ADDR_WIDTH-1:0]            s3_axi_awaddr;

   wire [7:0]                                s3_axi_awlen;

   wire [2:0]                                s3_axi_awsize;

   wire [1:0]                                s3_axi_awburst;

   wire [0:0]                                s3_axi_awlock;

   wire [3:0]                                s3_axi_awcache;

   wire [2:0]                                s3_axi_awprot;

   wire [3:0]                                s3_axi_awqos;

   wire                                      s3_axi_awvalid;

   wire                                      s3_axi_awready;

   wire [C_S3_AXI_DATA_WIDTH-1:0]            s3_axi_wdata;

   wire [C_S3_AXI_DATA_WIDTH/8-1:0]          s3_axi_wstrb;

   wire                                      s3_axi_wlast;

   wire                                      s3_axi_wvalid;

   wire                                      s3_axi_wready;

   wire [C_S3_AXI_ID_WIDTH-1:0]              s3_axi_bid;

   wire [1:0]                                s3_axi_bresp;

   wire                                      s3_axi_bvalid;

   wire                                      s3_axi_bready;

   wire [C_S3_AXI_ID_WIDTH-1:0]              s3_axi_arid;

   wire [C_S3_AXI_ADDR_WIDTH-1:0]            s3_axi_araddr;

   wire [7:0]                                s3_axi_arlen;

   wire [2:0]                                s3_axi_arsize;

   wire [1:0]                                s3_axi_arburst;

   wire [0:0]                                s3_axi_arlock;

   wire [3:0]                                s3_axi_arcache;

   wire [2:0]                                s3_axi_arprot;

   wire [3:0]                                s3_axi_arqos;

   wire                                      s3_axi_arvalid;

   wire                                      s3_axi_arready;

   wire [C_S3_AXI_ID_WIDTH-1:0]              s3_axi_rid;

   wire [C_S3_AXI_DATA_WIDTH-1:0]            s3_axi_rdata;

   wire [1:0]                                s3_axi_rresp;

   wire                                      s3_axi_rlast;

   wire                                      s3_axi_rvalid;

   wire                                      s3_axi_rready;

   wire                                      s4_axi_aclk;

   wire                                      s4_axi_aresetn;

   wire [C_S4_AXI_ID_WIDTH-1:0]              s4_axi_awid;

   wire [C_S4_AXI_ADDR_WIDTH-1:0]            s4_axi_awaddr;

   wire [7:0]                                s4_axi_awlen;

   wire [2:0]                                s4_axi_awsize;

   wire [1:0]                                s4_axi_awburst;

   wire [0:0]                                s4_axi_awlock;

   wire [3:0]                                s4_axi_awcache;

   wire [2:0]                                s4_axi_awprot;

   wire [3:0]                                s4_axi_awqos;

   wire                                      s4_axi_awvalid;

   wire                                      s4_axi_awready;

   wire [C_S4_AXI_DATA_WIDTH-1:0]            s4_axi_wdata;

   wire [C_S4_AXI_DATA_WIDTH/8-1:0]          s4_axi_wstrb;

   wire                                      s4_axi_wlast;

   wire                                      s4_axi_wvalid;

   wire                                      s4_axi_wready;

   wire [C_S4_AXI_ID_WIDTH-1:0]              s4_axi_bid;

   wire [1:0]                                s4_axi_bresp;

   wire                                      s4_axi_bvalid;

   wire                                      s4_axi_bready;

   wire [C_S4_AXI_ID_WIDTH-1:0]              s4_axi_arid;

   wire [C_S4_AXI_ADDR_WIDTH-1:0]            s4_axi_araddr;

   wire [7:0]                                s4_axi_arlen;

   wire [2:0]                                s4_axi_arsize;

   wire [1:0]                                s4_axi_arburst;

   wire [0:0]                                s4_axi_arlock;

   wire [3:0]                                s4_axi_arcache;

   wire [2:0]                                s4_axi_arprot;