Subversion Repositories usb_fpga_2_14

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//   ____  ____
//  /   /\/   /
// /___/  \  /    Vendor: Xilinx
// \   \   \/     Version: %version
//  \   \         Application: MIG
//  /   /         Filename: write_data_path.v
// /___/   /\     Date Last Modified: 
// \   \  /  \    Date Created: 
//  \___\/\___\
//
//Device: Spartan6
//Design Name: DDR/DDR2/DDR3/LPDDR 
//Purpose: This is top level of write path . 
 
//Reference:
//Revision History:
//*****************************************************************************
 
`timescale 1ps/1ps
 
 
module write_data_path #(
   parameter TCQ           = 100,  
   parameter FAMILY = "SPARTAN6",
   parameter ADDR_WIDTH = 32,
   parameter MEM_BURST_LEN = 8,
   parameter DWIDTH = 32,
   parameter DATA_PATTERN = "DGEN_ALL", //"DGEN__HAMMER", "DGEN_WALING1","DGEN_WALING0","DGEN_ADDR","DGEN_NEIGHBOR","DGEN_PRBS","DGEN_ALL"  
   parameter NUM_DQ_PINS   = 8,
   parameter SEL_VICTIM_LINE = 3,  // VICTIM LINE is one of the DQ pins is selected to be different than hammer pattern
 
   parameter MEM_COL_WIDTH = 10,
   parameter EYE_TEST   = "FALSE"
 
    )
    (
 
   input     clk_i, 
   input [9:0]    rst_i,
   output    cmd_rdy_o, 
   input     cmd_valid_i, 
   input     cmd_validB_i, 
   input     cmd_validC_i, 
   input [31:0] prbs_fseed_i,
   input [3:0]  data_mode_i,
//   input [31:0] m_addr_i,
   input [DWIDTH-1:0]     fixed_data_i,    
 
   input [31:0] addr_i, 
   input [5:0]   bl_i,
 
//   input [5:0]            port_data_counts_i,// connect to data port fifo counts
 
   input                  data_rdy_i, 
   output                 data_valid_o,
   output                 last_word_wr_o,
   output [DWIDTH-1:0] data_o,   
   output [(DWIDTH/8) - 1:0] data_mask_o,
   output                    data_wr_end_o
 
   );
 
wire data_valid;
reg cmd_rdy;
 
  assign data_valid_o = data_valid & data_rdy_i;          
  assign data_mask_o = 'b0;  // for now 
 
 
   wr_data_gen #(
              .TCQ               (TCQ),
              .FAMILY            (FAMILY),
              .NUM_DQ_PINS       (NUM_DQ_PINS), 
              .MEM_BURST_LEN     (MEM_BURST_LEN),
 
              .SEL_VICTIM_LINE   (SEL_VICTIM_LINE),
              .DATA_PATTERN  (DATA_PATTERN),
              .DWIDTH           (DWIDTH),
              .COLUMN_WIDTH     (MEM_COL_WIDTH),
              .EYE_TEST         (EYE_TEST)
 
              )
   wr_data_gen(
            .clk_i              (clk_i          ),
            .rst_i              (rst_i[9:5]),
            .prbs_fseed_i       (prbs_fseed_i),
 
            .data_mode_i        (data_mode_i    ),
            .cmd_rdy_o          (cmd_rdy_o      ),
            .cmd_valid_i        (cmd_valid_i    ),
            .cmd_validB_i        (cmd_validB_i    ),
            .cmd_validC_i        (cmd_validC_i    ),
 
            .last_word_o        (last_word_wr_o ),
       //     .port_data_counts_i (port_data_counts_i),
//            .m_addr_i             (m_addr_i         ),
            .fixed_data_i         (fixed_data_i),
 
            .addr_i             (addr_i         ),
            .bl_i               (bl_i           ),
            .data_rdy_i         (data_rdy_i     ),
            .data_valid_o       ( data_valid  ),
            .data_o             (data_o         ),
            .data_wr_end_o         (data_wr_end_o)
            );
 
 
 
endmodule