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[/] [openrisc/] [trunk/] [orpsocv2/] [boards/] [xilinx/] [s3adsp1800/] [rtl/] [verilog/] [xilinx_s3adsp_ddr2/] [s3adsp_ddr2_data_path_iobs_0.v] - Rev 568
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//***************************************************************************** // DISCLAIMER OF LIABILITY // // This file contains proprietary and confidential information of // Xilinx, Inc. ("Xilinx"), that is distributed under a license // from Xilinx, and may be used, copied and/or disclosed only // pursuant to the terms of a valid license agreement with Xilinx. // // XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION // ("MATERIALS") "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER // EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING WITHOUT // LIMITATION, ANY WARRANTY WITH RESPECT TO NONINFRINGEMENT, // MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. Xilinx // does not warrant that functions included in the Materials will // meet the requirements of Licensee, or that the operation of the // Materials will be uninterrupted or error-free, or that defects // in the Materials will be corrected. Furthermore, Xilinx does // not warrant or make any representations regarding use, or the // results of the use, of the Materials in terms of correctness, // accuracy, reliability or otherwise. // // Xilinx products are not designed or intended to be fail-safe, // or for use in any application requiring fail-safe performance, // such as life-support or safety devices or systems, Class III // medical devices, nuclear facilities, applications related to // the deployment of airbags, or any other applications that could // lead to death, personal injury or severe property or // environmental damage (individually and collectively, "critical // applications"). Customer assumes the sole risk and liability // of any use of Xilinx products in critical applications, // subject only to applicable laws and regulations governing // limitations on product liability. // // Copyright 2005, 2006, 2007, 2008 Xilinx, Inc. // All rights reserved. // // This disclaimer and copyright notice must be retained as part // of this file at all times. //***************************************************************************** // ____ ____ // / /\/ / // /___/ \ / Vendor : Xilinx // \ \ \/ Version : 3.6.1 // \ \ Application : MIG // / / Filename : s3adsp_ddr2_data_path_iobs_0.v // /___/ /\ Date Last Modified : $Date: 2010/11/26 18:25:41 $ // \ \ / \ Date Created : Mon May 2 2005 // \___\/\___\ // Device : Spartan-3/3A/3A-DSP // Design Name : DDR2 SDRAM // Purpose : This module has the instantiations s3_dq_iob, s3_dqs_iob // and ddr_dm modules. //***************************************************************************** `timescale 1ns/100ps `include "s3adsp_ddr2_parameters_0.v" module s3adsp_ddr2_data_path_iobs_0 ( input clk, input clk90, input dqs_reset, input dqs_enable, inout [(`DATA_STROBE_WIDTH-1):0] ddr_dqs, inout [(`DATA_WIDTH-1):0] ddr_dq, inout [(`DATA_STROBE_WIDTH-1):0] ddr_dqs_n, output [(`DATA_STROBE_WIDTH-1):0] dqs_int_delay_in, output [((`DATA_MASK_WIDTH)-1):0] ddr_dm, input [(`DATA_WIDTH-1):0] write_data_falling, input [(`DATA_WIDTH-1):0] write_data_rising, input write_en_val, input [(`DATA_MASK_WIDTH-1):0] data_mask_f, input [(`DATA_MASK_WIDTH-1):0] data_mask_r, output [(`DATA_WIDTH-1):0] ddr_dq_val ); wire [(`DATA_WIDTH-1):0] ddr_dq_in; localparam MASK_CHK = `MASK_ENABLE; assign ddr_dq_val = ddr_dq_in; //*********************************************************************** // DM IOB instantiations //*********************************************************************** genvar mask_i; generate if(MASK_CHK == 1'd1) begin : MASK_INST for(mask_i = 0; mask_i < `DATA_MASK_WIDTH; mask_i = mask_i+1) begin: gen_dm s3adsp_ddr2_s3_dm_iob s3_dm_iob_inst ( .ddr_dm (ddr_dm[mask_i]), .mask_falling (data_mask_f[mask_i]), .mask_rising (data_mask_r[mask_i]), .clk90 (clk90) ); end end endgenerate //****************************************************************************** // Read Data Capture Module Instantiations //****************************************************************************** // DQS IOB instantiations //****************************************************************************** genvar dqs_i; generate for(dqs_i = 0; dqs_i < `DATA_STROBE_WIDTH; dqs_i = dqs_i+1) begin: gen_dqs s3adsp_ddr2_s3_dqs_iob s3_dqs_iob_inst ( .clk (clk), .ddr_dqs_reset (dqs_reset), .ddr_dqs_enable (dqs_enable), .ddr_dqs (ddr_dqs[dqs_i]), .ddr_dqs_n (ddr_dqs_n[dqs_i]), .dqs (dqs_int_delay_in[dqs_i]) ); end endgenerate //****************************************************************************** // DDR Data bit instantiations //****************************************************************************** genvar dq_i; generate for(dq_i = 0; dq_i < `DATA_WIDTH; dq_i = dq_i+1) begin: gen_dq s3adsp_ddr2_s3_dq_iob s3_dq_iob_inst ( .ddr_dq_inout (ddr_dq[dq_i]), .write_data_falling (write_data_falling[dq_i]), .write_data_rising (write_data_rising[dq_i]), .read_data_in (ddr_dq_in[dq_i]), .clk90 (clk90), .write_en_val (write_en_val) ); end endgenerate endmodule