//////////////////////////////////////////////////////////////////////////////// // ____ ____ // / /\/ / // /___/ \ / // \ \ \/ Vendor : Xilinx // \ \ Version : 1.1 // / / Application : GTH Transceiver // /___/ /\ Filename : GTHFix.v // \ \ / \ // \___\/\___\ // // // // (c) Copyright 2008 - 2009 Xilinx, Inc. All rights reserved. // // This file contains confidential and proprietary information // of Xilinx, Inc. and is protected under U.S. and // international copyright and other intellectual property // laws. // // DISCLAIMER // This disclaimer is not a license and does not grant any // rights to the materials distributed herewith. Except as // otherwise provided in a valid license issued to you by // Xilinx, and to the maximum extent permitted by applicable // law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND // WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES // AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING // BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON- // INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and // (2) Xilinx shall not be liable (whether in contract or tort, // including negligence, or under any other theory of // liability) for any loss or damage of any kind or nature // related to, arising under or in connection with these // materials, including for any direct, or any indirect, // special, incidental, or consequential loss or damage // (including loss of data, profits, goodwill, or any type of // loss or damage suffered as a result of any action brought // by a third party) even if such damage or loss was // reasonably foreseeable or Xilinx had been advised of the // possibility of the same. // // CRITICAL APPLICATIONS // 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. // // THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS // PART OF THIS FILE AT ALL TIMES. wire refclk; wire cpllpd; wire cpllrst; wire refclkb; IBUFDS_GTE2 refclk_ibuf (.O(refclkb), .ODIV2(), .I(REFCLK_P), .CEB(1'b0), .IB(REFCLK_N)); BUFG gInst( .I(refclkb), .O(refclk))); module gt_cpllpd_ovrd ( input i_ibufds_gte2, output o_cpllpd_ovrd, output o_cpllreset_ovrd ); (* equivalent_register_removal="no" *) reg [95:0] cpllpd_wait = 96'hFFFFFFFFFFFFFFFFFFFFFFFF; (* equivalent_register_removal="no" *) reg [127:0] cpllreset_wait = 128'h000000000000000000000000000000FF; always @(posedge i_ibufds_gte2) begin cpllpd_wait <= {cpllpd_wait[94:0], 1'b0}; cpllreset_wait <= {cpllreset_wait[126:0], 1'b0}; end assign o_cpllpd_ovrd = cpllpd_wait[95]; assign o_cpllreset_ovrd = cpllreset_wait[127]; endmodule . . . gt_cpllpd_ovrd cpllPDInst ( .i_ibufds_gte2(refclk), .o_cpllpd_ovrd(cpllpd), .o_cpllreset_ovrd(cpllrst)); . . . GTHE2_CHANNEL chanInst( .CPLLPD(cpllpd | orig_cpllpd), // orig_cpllpd is the original power down .CPLLRESET(cpllrst | orig_cpllrst), // orig_cpllrst is the original reset ... );