// *************************************************************************** // *************************************************************************** // Copyright 2011(c) Analog Devices, Inc. // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // - Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // - Neither the name of Analog Devices, Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // - The use of this software may or may not infringe the patent rights // of one or more patent holders. This license does not release you // from the requirement that you obtain separate licenses from these // patent holders to use this software. // - Use of the software either in source or binary form, must be run // on or directly connected to an Analog Devices Inc. component. // // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A // PARTICULAR PURPOSE ARE DISCLAIMED. // // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY // RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module util_jesd_align ( // xcvr interface rx_clk, rx_ip_sof, rx_ip_data, rx_sof, rx_data, rx_st_valid, rx_st_data); // parameters parameter NUM_OF_LANES = 2; parameter ST_VALID_WIDTH = 1; parameter ST_DATA_WIDTH = 128; // xcvr interface input rx_clk; input [ 3:0] rx_ip_sof; input [((NUM_OF_LANES*32)-1):0] rx_ip_data; output [((NUM_OF_LANES* 1)-1):0] rx_sof; output [((NUM_OF_LANES*32)-1):0] rx_data; output [(ST_VALID_WIDTH-1):0] rx_st_valid; output [(ST_DATA_WIDTH-1):0] rx_st_data; // internal signals wire [((NUM_OF_LANES*64)+3):0] rx_st_data_s; // only for altera, xcvr+jesd do not frame align assign rx_st_data_s = {rx_ip_sof, rx_ip_data, rx_data}; assign rx_st_data = rx_st_data_s[(ST_DATA_WIDTH-1):0]; assign rx_st_valid = 'd1; genvar n; generate for (n = 0; n < NUM_OF_LANES; n = n + 1) begin: g_lane ad_jesd_align i_jesd_align ( .rx_clk (rx_clk), .rx_ip_sof (rx_ip_sof), .rx_ip_data (rx_ip_data[n*32+31:n*32]), .rx_sof (rx_sof[n]), .rx_data (rx_data[n*32+31:n*32])); end endgenerate endmodule // *************************************************************************** // ***************************************************************************