853 lines
27 KiB
Verilog
853 lines
27 KiB
Verilog
// ***************************************************************************
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// ***************************************************************************
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// Copyright 2011(c) Analog Devices, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// - Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// - Neither the name of Analog Devices, Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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// - The use of this software may or may not infringe the patent rights
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// of one or more patent holders. This license does not release you
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// from the requirement that you obtain separate licenses from these
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// patent holders to use this software.
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// - Use of the software either in source or binary form, must be run
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// on or directly connected to an Analog Devices Inc. component.
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//
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// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE ARE DISCLAIMED.
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//
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// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
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// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module up_gt (
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// gt interface
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gt_pll_rst,
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gt_rx_rst,
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gt_tx_rst,
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up_lpm_dfe_n,
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up_cpll_pd,
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up_rx_sys_clk_sel,
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up_rx_out_clk_sel,
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up_tx_sys_clk_sel,
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up_tx_out_clk_sel,
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// receive interface
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rx_clk,
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rx_rst,
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rx_ext_sysref,
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rx_sysref,
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rx_ip_sync,
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rx_sync,
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rx_rst_done,
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rx_pll_locked,
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rx_error,
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// transmit interface
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tx_clk,
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tx_rst,
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tx_ext_sysref,
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tx_sysref,
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tx_sync,
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tx_ip_sync,
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tx_rst_done,
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tx_pll_locked,
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tx_error,
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// drp interface
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drp_clk,
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drp_rst,
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drp_sel,
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drp_wr,
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drp_addr,
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drp_wdata,
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drp_rdata,
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drp_ready,
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drp_lanesel,
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drp_rx_rate,
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// es interface
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es_sel,
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es_wr,
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es_addr,
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es_wdata,
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es_rdata,
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es_ready,
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es_start,
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es_stop,
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es_init,
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es_lpm_dfe_n,
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es_prescale,
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es_voffset_range,
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es_voffset_step,
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es_voffset_max,
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es_voffset_min,
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es_hoffset_max,
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es_hoffset_min,
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es_hoffset_step,
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es_start_addr,
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es_sdata0,
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es_sdata1,
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es_sdata2,
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es_sdata3,
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es_sdata4,
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es_qdata0,
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es_qdata1,
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es_qdata2,
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es_qdata3,
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es_qdata4,
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es_dmaerr,
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es_status,
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// bus interface
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up_rstn,
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up_clk,
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up_wreq,
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up_waddr,
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up_wdata,
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up_wack,
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up_rreq,
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up_raddr,
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up_rdata,
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up_rack);
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// parameters
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localparam PCORE_VERSION = 32'h00060062;
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parameter PCORE_ID = 0;
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parameter PCORE_DEVICE_TYPE = 0;
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// gt interface
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output gt_pll_rst;
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output gt_rx_rst;
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output gt_tx_rst;
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output up_lpm_dfe_n;
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output up_cpll_pd;
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output [ 1:0] up_rx_sys_clk_sel;
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output [ 2:0] up_rx_out_clk_sel;
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output [ 1:0] up_tx_sys_clk_sel;
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output [ 2:0] up_tx_out_clk_sel;
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// receive interface
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input rx_clk;
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output rx_rst;
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input rx_ext_sysref;
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output rx_sysref;
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input rx_ip_sync;
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output rx_sync;
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input [ 7:0] rx_rst_done;
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input [ 7:0] rx_pll_locked;
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input rx_error;
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// transmit interface
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input tx_clk;
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output tx_rst;
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input tx_ext_sysref;
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output tx_sysref;
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input tx_sync;
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output tx_ip_sync;
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input [ 7:0] tx_rst_done;
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input [ 7:0] tx_pll_locked;
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input tx_error;
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// drp interface
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input drp_clk;
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output drp_rst;
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output drp_sel;
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output drp_wr;
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output [11:0] drp_addr;
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output [15:0] drp_wdata;
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input [15:0] drp_rdata;
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input drp_ready;
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output [ 7:0] drp_lanesel;
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input [ 7:0] drp_rx_rate;
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// es interface
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input es_sel;
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input es_wr;
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input [11:0] es_addr;
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input [15:0] es_wdata;
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output [15:0] es_rdata;
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output es_ready;
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output es_start;
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output es_stop;
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output es_init;
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output es_lpm_dfe_n;
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output [ 4:0] es_prescale;
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output [ 1:0] es_voffset_range;
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output [ 7:0] es_voffset_step;
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output [ 7:0] es_voffset_max;
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output [ 7:0] es_voffset_min;
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output [11:0] es_hoffset_max;
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output [11:0] es_hoffset_min;
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output [11:0] es_hoffset_step;
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output [31:0] es_start_addr;
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output [15:0] es_sdata0;
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output [15:0] es_sdata1;
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output [15:0] es_sdata2;
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output [15:0] es_sdata3;
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output [15:0] es_sdata4;
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output [15:0] es_qdata0;
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output [15:0] es_qdata1;
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output [15:0] es_qdata2;
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output [15:0] es_qdata3;
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output [15:0] es_qdata4;
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input es_dmaerr;
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input es_status;
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// bus interface
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input up_rstn;
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input up_clk;
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input up_wreq;
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input [13:0] up_waddr;
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input [31:0] up_wdata;
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output up_wack;
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input up_rreq;
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input [13:0] up_raddr;
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output [31:0] up_rdata;
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output up_rack;
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// internal registers
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reg up_wack = 'd0;
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reg [31:0] up_scratch = 'd0;
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reg up_lpm_dfe_n = 'd0;
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reg up_cpll_pd = 'd0;
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reg up_drp_resetn = 'd0;
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reg up_gt_pll_resetn = 'd0;
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reg up_gt_rx_resetn = 'd0;
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reg up_rx_resetn = 'd0;
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reg [ 1:0] up_rx_sys_clk_sel = 'd0;
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reg [ 2:0] up_rx_out_clk_sel = 'd0;
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reg up_rx_sysref_sel = 'd0;
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reg up_rx_sysref = 'd0;
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reg up_rx_sync = 'd0;
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reg up_gt_tx_resetn = 'd0;
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reg up_tx_resetn = 'd0;
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reg [ 1:0] up_tx_sys_clk_sel = 'd0;
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reg [ 2:0] up_tx_out_clk_sel = 'd0;
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reg up_tx_sysref_sel = 'd0;
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reg up_tx_sysref = 'd0;
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reg up_tx_sync = 'd0;
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reg [ 7:0] up_lanesel = 'd0;
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reg up_drp_sel_t = 'd0;
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reg up_drp_rwn = 'd0;
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reg [11:0] up_drp_addr = 'd0;
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reg [15:0] up_drp_wdata = 'd0;
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reg up_es_init = 'd0;
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reg up_es_stop = 'd0;
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reg up_es_start = 'd0;
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reg [ 4:0] up_es_prescale = 'd0;
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reg [ 1:0] up_es_voffset_range = 'd0;
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reg [ 7:0] up_es_voffset_step = 'd0;
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reg [ 7:0] up_es_voffset_max = 'd0;
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reg [ 7:0] up_es_voffset_min = 'd0;
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reg [11:0] up_es_hoffset_max = 'd0;
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reg [11:0] up_es_hoffset_min = 'd0;
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reg [11:0] up_es_hoffset_step = 'd0;
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reg [31:0] up_es_start_addr = 'd0;
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reg [15:0] up_es_sdata1 = 'd0;
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reg [15:0] up_es_sdata0 = 'd0;
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reg [15:0] up_es_sdata3 = 'd0;
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reg [15:0] up_es_sdata2 = 'd0;
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reg [15:0] up_es_sdata4 = 'd0;
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reg [15:0] up_es_qdata1 = 'd0;
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reg [15:0] up_es_qdata0 = 'd0;
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reg [15:0] up_es_qdata3 = 'd0;
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reg [15:0] up_es_qdata2 = 'd0;
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reg [15:0] up_es_qdata4 = 'd0;
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reg up_es_dmaerr = 'd0;
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reg up_rack = 'd0;
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reg [31:0] up_rdata = 'd0;
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reg [ 7:0] up_rx_rst_done_m1 = 'd0;
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reg [ 7:0] up_rx_pll_locked_m1 = 'd0;
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reg [ 7:0] up_tx_rst_done_m1 = 'd0;
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reg [ 7:0] up_tx_pll_locked_m1 = 'd0;
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reg [ 7:0] up_rx_rst_done = 'd0;
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reg [ 7:0] up_rx_pll_locked = 'd0;
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reg [ 7:0] up_tx_rst_done = 'd0;
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reg [ 7:0] up_tx_pll_locked = 'd0;
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reg rx_sysref_m1 = 'd0;
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reg rx_sysref_m2 = 'd0;
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reg rx_sysref_m3 = 'd0;
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reg rx_sysref = 'd0;
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reg rx_sync_m1 = 'd0;
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reg rx_sync_m2 = 'd0;
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reg rx_sync = 'd0;
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reg tx_sysref_m1 = 'd0;
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reg tx_sysref_m2 = 'd0;
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reg tx_sysref_m3 = 'd0;
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reg tx_sysref = 'd0;
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reg tx_ip_sync_m1 = 'd0;
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reg tx_ip_sync_m2 = 'd0;
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reg tx_ip_sync = 'd0;
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reg up_rx_status_m1 = 'd0;
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reg up_rx_status = 'd0;
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reg up_tx_status_m1 = 'd0;
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reg up_tx_status = 'd0;
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reg drp_sel = 'd0;
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reg drp_wr = 'd0;
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reg [11:0] drp_addr = 'd0;
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reg [15:0] drp_wdata = 'd0;
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reg [15:0] es_rdata = 'd0;
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reg es_ready = 'd0;
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reg [15:0] drp_rdata_int = 'd0;
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reg drp_ready_int = 'd0;
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reg es_start_d1 = 'd0;
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reg es_start_d2 = 'd0;
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reg es_stop_d1 = 'd0;
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reg es_stop_d2 = 'd0;
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reg es_start = 'd0;
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reg es_stop = 'd0;
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// internal signals
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wire up_wreq_s;
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wire up_rreq_s;
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wire up_rx_rst_done_s;
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wire up_rx_pll_locked_s;
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wire up_tx_rst_done_s;
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wire up_tx_pll_locked_s;
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wire up_drp_preset_s;
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wire up_gt_pll_preset_s;
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wire up_gt_rx_preset_s;
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wire up_gt_tx_preset_s;
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wire up_rx_preset_s;
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wire up_tx_preset_s;
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wire rx_sysref_s;
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wire tx_sysref_s;
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wire drp_sel_s;
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wire drp_wr_s;
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wire [11:0] drp_addr_s;
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wire [15:0] drp_wdata_s;
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wire [15:0] up_drp_rdata_s;
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wire up_drp_status_s;
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wire [ 7:0] up_drp_rx_rate_s;
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wire es_start_s;
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wire es_stop_s;
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wire up_es_dmaerr_s;
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wire up_es_status_s;
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// decode block select
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assign up_wreq_s = (up_waddr[13:8] == 6'h00) ? up_wreq : 1'b0;
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assign up_rreq_s = (up_raddr[13:8] == 6'h00) ? up_rreq : 1'b0;
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// status inputs
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assign up_rx_rst_done_s = & up_rx_rst_done;
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assign up_rx_pll_locked_s = & up_rx_pll_locked;
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assign up_tx_rst_done_s = & up_tx_rst_done;
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assign up_tx_pll_locked_s = & up_tx_pll_locked;
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// resets
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assign up_drp_preset_s = ~up_drp_resetn;
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assign up_gt_pll_preset_s = ~up_gt_pll_resetn;
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assign up_gt_rx_preset_s = ~(up_gt_pll_resetn & up_gt_rx_resetn & up_rx_pll_locked_s);
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assign up_gt_tx_preset_s = ~(up_gt_pll_resetn & up_gt_tx_resetn & up_tx_pll_locked_s);
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assign up_rx_preset_s = ~(up_gt_pll_resetn & up_gt_rx_resetn & up_rx_resetn & up_rx_pll_locked_s & up_rx_rst_done_s);
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assign up_tx_preset_s = ~(up_gt_pll_resetn & up_gt_tx_resetn & up_tx_resetn & up_tx_pll_locked_s & up_tx_rst_done_s);
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// processor write interface
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always @(negedge up_rstn or posedge up_clk) begin
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if (up_rstn == 0) begin
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up_wack <= 'd0;
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up_scratch <= 'd0;
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up_lpm_dfe_n <= 'd0;
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up_cpll_pd <= 'd1;
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up_drp_resetn <= 'd0;
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up_gt_pll_resetn <= 'd0;
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up_gt_rx_resetn <= 'd0;
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up_rx_resetn <= 'd0;
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up_rx_sys_clk_sel <= 2'b11;
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up_rx_out_clk_sel <= 3'b010;
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up_rx_sysref_sel <= 'd0;
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up_rx_sysref <= 'd0;
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up_rx_sync <= 'd0;
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up_gt_tx_resetn <= 'd0;
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up_tx_resetn <= 'd0;
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up_tx_sys_clk_sel <= 2'b11;
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up_tx_out_clk_sel <= 3'b010;
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up_tx_sysref_sel <= 'd0;
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up_tx_sysref <= 'd0;
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up_tx_sync <= 'd0;
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up_lanesel <= 'd0;
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up_drp_sel_t <= 'd0;
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up_drp_rwn <= 'd0;
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up_drp_addr <= 'd0;
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up_drp_wdata <= 'd0;
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up_es_init <= 'd0;
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up_es_stop <= 'd0;
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up_es_start <= 'd0;
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up_es_prescale <= 'd0;
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up_es_voffset_range <= 'd0;
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up_es_voffset_step <= 'd0;
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up_es_voffset_max <= 'd0;
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up_es_voffset_min <= 'd0;
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up_es_hoffset_max <= 'd0;
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up_es_hoffset_min <= 'd0;
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up_es_hoffset_step <= 'd0;
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up_es_start_addr <= 'd0;
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up_es_sdata1 <= 'd0;
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up_es_sdata0 <= 'd0;
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up_es_sdata3 <= 'd0;
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up_es_sdata2 <= 'd0;
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up_es_sdata4 <= 'd0;
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up_es_qdata1 <= 'd0;
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up_es_qdata0 <= 'd0;
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up_es_qdata3 <= 'd0;
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up_es_qdata2 <= 'd0;
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up_es_qdata4 <= 'd0;
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up_es_dmaerr <= 'd0;
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end else begin
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up_wack <= up_wreq_s;
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h02)) begin
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up_scratch <= up_wdata;
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end
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h04)) begin
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up_lpm_dfe_n <= up_wdata[1];
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up_cpll_pd <= up_wdata[0];
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end
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h05)) begin
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up_drp_resetn <= up_wdata[1];
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up_gt_pll_resetn <= up_wdata[0];
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end
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h08)) begin
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up_gt_rx_resetn <= up_wdata[0];
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end
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h09)) begin
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up_rx_resetn <= up_wdata[0];
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end
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if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h0a)) begin
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|
up_rx_sys_clk_sel <= up_wdata[5:4];
|
|
up_rx_out_clk_sel <= up_wdata[2:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h0b)) begin
|
|
up_rx_sysref_sel <= up_wdata[1];
|
|
up_rx_sysref <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h0c)) begin
|
|
up_rx_sync <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h18)) begin
|
|
up_gt_tx_resetn <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h19)) begin
|
|
up_tx_resetn <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h1a)) begin
|
|
up_tx_sys_clk_sel <= up_wdata[5:4];
|
|
up_tx_out_clk_sel <= up_wdata[2:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h1b)) begin
|
|
up_tx_sysref_sel <= up_wdata[1];
|
|
up_tx_sysref <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h1c)) begin
|
|
up_tx_sync <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h23)) begin
|
|
up_lanesel <= up_wdata[7:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h24)) begin
|
|
up_drp_sel_t <= ~up_drp_sel_t;
|
|
up_drp_rwn <= up_wdata[28];
|
|
up_drp_addr <= up_wdata[27:16];
|
|
up_drp_wdata <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h28)) begin
|
|
up_es_init <= up_wdata[2];
|
|
up_es_stop <= up_wdata[1];
|
|
up_es_start <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h29)) begin
|
|
up_es_prescale <= up_wdata[4:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2a)) begin
|
|
up_es_voffset_range <= up_wdata[25:24];
|
|
up_es_voffset_step <= up_wdata[23:16];
|
|
up_es_voffset_max <= up_wdata[15:8];
|
|
up_es_voffset_min <= up_wdata[7:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2b)) begin
|
|
up_es_hoffset_max <= up_wdata[27:16];
|
|
up_es_hoffset_min <= up_wdata[11:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2c)) begin
|
|
up_es_hoffset_step <= up_wdata[11:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2d)) begin
|
|
up_es_start_addr <= up_wdata;
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2e)) begin
|
|
up_es_sdata1 <= up_wdata[31:16];
|
|
up_es_sdata0 <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h2f)) begin
|
|
up_es_sdata3 <= up_wdata[31:16];
|
|
up_es_sdata2 <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h30)) begin
|
|
up_es_sdata4 <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h31)) begin
|
|
up_es_qdata1 <= up_wdata[31:16];
|
|
up_es_qdata0 <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h32)) begin
|
|
up_es_qdata3 <= up_wdata[31:16];
|
|
up_es_qdata2 <= up_wdata[15:0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h33)) begin
|
|
up_es_qdata4 <= up_wdata[15:0];
|
|
end
|
|
if (up_es_dmaerr_s == 1'b1) begin
|
|
up_es_dmaerr <= 1'b1;
|
|
end else if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h38)) begin
|
|
up_es_dmaerr <= up_es_dmaerr & ~up_wdata[1];
|
|
end
|
|
end
|
|
end
|
|
|
|
// processor read interface
|
|
|
|
always @(negedge up_rstn or posedge up_clk) begin
|
|
if (up_rstn == 0) begin
|
|
up_rack <= 'd0;
|
|
up_rdata <= 'd0;
|
|
end else begin
|
|
up_rack <= up_rreq_s;
|
|
if (up_rreq_s == 1'b1) begin
|
|
case (up_raddr[7:0])
|
|
8'h00: up_rdata <= PCORE_VERSION;
|
|
8'h01: up_rdata <= PCORE_ID;
|
|
8'h02: up_rdata <= up_scratch;
|
|
8'h04: up_rdata <= {30'd0, up_lpm_dfe_n, up_cpll_pd};
|
|
8'h05: up_rdata <= {30'd0, up_drp_resetn, up_gt_pll_resetn};
|
|
8'h08: up_rdata <= {31'd0, up_gt_rx_resetn};
|
|
8'h09: up_rdata <= {31'd0, up_rx_resetn};
|
|
8'h0a: up_rdata <= {24'd0, 2'd0, up_rx_sys_clk_sel, 1'd0, up_rx_out_clk_sel};
|
|
8'h0b: up_rdata <= {30'd0, up_rx_sysref_sel, up_rx_sysref};
|
|
8'h0c: up_rdata <= {31'd0, up_rx_sync};
|
|
8'h0d: up_rdata <= {15'd0, up_rx_status, up_rx_rst_done, up_rx_pll_locked};
|
|
8'h18: up_rdata <= {31'd0, up_gt_tx_resetn};
|
|
8'h19: up_rdata <= {31'd0, up_tx_resetn};
|
|
8'h1a: up_rdata <= {24'd0, 2'd0, up_tx_sys_clk_sel, 1'd0, up_tx_out_clk_sel};
|
|
8'h1b: up_rdata <= {30'd0, up_tx_sysref_sel, up_tx_sysref};
|
|
8'h1c: up_rdata <= {31'd0, up_tx_sync};
|
|
8'h1d: up_rdata <= {15'd0, up_tx_status, up_tx_rst_done, up_tx_pll_locked};
|
|
8'h23: up_rdata <= {24'd0, up_lanesel};
|
|
8'h24: up_rdata <= {3'd0, up_drp_rwn, up_drp_addr, up_drp_wdata};
|
|
8'h25: up_rdata <= {15'd0, up_drp_status_s, up_drp_rdata_s};
|
|
8'h28: up_rdata <= {29'd0, up_es_init, up_es_stop, up_es_start};
|
|
8'h29: up_rdata <= {27'd0, up_es_prescale};
|
|
8'h2a: up_rdata <= {6'd0, up_es_voffset_range, up_es_voffset_step, up_es_voffset_max, up_es_voffset_min};
|
|
8'h2b: up_rdata <= {4'd0, up_es_hoffset_max, 4'd0, up_es_hoffset_min};
|
|
8'h2c: up_rdata <= {20'd0, up_es_hoffset_step};
|
|
8'h2d: up_rdata <= up_es_start_addr;
|
|
8'h2e: up_rdata <= {up_es_sdata1, up_es_sdata0};
|
|
8'h2f: up_rdata <= {up_es_sdata3, up_es_sdata2};
|
|
8'h30: up_rdata <= up_es_sdata4;
|
|
8'h31: up_rdata <= {up_es_qdata1, up_es_qdata0};
|
|
8'h32: up_rdata <= {up_es_qdata3, up_es_qdata2};
|
|
8'h33: up_rdata <= up_es_qdata4;
|
|
8'h38: up_rdata <= {30'd0, up_es_dmaerr, up_es_status_s};
|
|
8'h39: up_rdata <= {24'd0, up_drp_rx_rate_s};
|
|
8'h3a: up_rdata <= PCORE_DEVICE_TYPE;
|
|
default: up_rdata <= 0;
|
|
endcase
|
|
end else begin
|
|
up_rdata <= 32'd0;
|
|
end
|
|
end
|
|
end
|
|
|
|
// resets
|
|
|
|
ad_rst i_drp_rst_reg (.preset(up_drp_preset_s), .clk(drp_clk), .rst(drp_rst));
|
|
ad_rst i_gt_pll_rst_reg (.preset(up_gt_pll_preset_s), .clk(drp_clk), .rst(gt_pll_rst));
|
|
ad_rst i_gt_rx_rst_reg (.preset(up_gt_rx_preset_s), .clk(drp_clk), .rst(gt_rx_rst));
|
|
ad_rst i_gt_tx_rst_reg (.preset(up_gt_tx_preset_s), .clk(drp_clk), .rst(gt_tx_rst));
|
|
ad_rst i_rx_rst_reg (.preset(up_rx_preset_s), .clk(rx_clk), .rst(rx_rst));
|
|
ad_rst i_tx_rst_reg (.preset(up_tx_preset_s), .clk(tx_clk), .rst(tx_rst));
|
|
|
|
// reset done & pll locked
|
|
|
|
always @(negedge up_rstn or posedge up_clk) begin
|
|
if (up_rstn == 0) begin
|
|
up_rx_rst_done_m1 <= 'd0;
|
|
up_rx_pll_locked_m1 <= 'd0;
|
|
up_tx_rst_done_m1 <= 'd0;
|
|
up_tx_pll_locked_m1 <= 'd0;
|
|
up_rx_rst_done <= 'd0;
|
|
up_rx_pll_locked <= 'd0;
|
|
up_tx_rst_done <= 'd0;
|
|
up_tx_pll_locked <= 'd0;
|
|
end else begin
|
|
up_rx_rst_done_m1 <= rx_rst_done;
|
|
up_rx_pll_locked_m1 <= rx_pll_locked;
|
|
up_tx_rst_done_m1 <= tx_rst_done;
|
|
up_tx_pll_locked_m1 <= tx_pll_locked;
|
|
up_rx_rst_done <= up_rx_rst_done_m1;
|
|
up_rx_pll_locked <= up_rx_pll_locked_m1;
|
|
up_tx_rst_done <= up_tx_rst_done_m1;
|
|
up_tx_pll_locked <= up_tx_pll_locked_m1;
|
|
end
|
|
end
|
|
|
|
// rx sysref & sync
|
|
|
|
assign rx_sysref_s = (up_rx_sysref_sel == 1'b1) ? rx_ext_sysref : up_rx_sysref;
|
|
|
|
always @(posedge rx_clk) begin
|
|
if (rx_rst == 1'b1) begin
|
|
rx_sysref_m1 <= 'd0;
|
|
rx_sysref_m2 <= 'd0;
|
|
rx_sysref_m3 <= 'd0;
|
|
rx_sysref <= 'd0;
|
|
rx_sync_m1 <= 'd0;
|
|
rx_sync_m2 <= 'd0;
|
|
rx_sync <= 'd0;
|
|
end else begin
|
|
rx_sysref_m1 <= rx_sysref_s;
|
|
rx_sysref_m2 <= rx_sysref_m1;
|
|
rx_sysref_m3 <= rx_sysref_m2;
|
|
rx_sysref <= rx_sysref_m2 & ~rx_sysref_m3;
|
|
rx_sync_m1 <= up_rx_sync & rx_ip_sync;
|
|
rx_sync_m2 <= rx_sync_m1;
|
|
rx_sync <= rx_sync_m2;
|
|
end
|
|
end
|
|
|
|
// tx sysref & sync
|
|
|
|
assign tx_sysref_s = (up_tx_sysref_sel == 1'b1) ? tx_ext_sysref : up_tx_sysref;
|
|
|
|
always @(posedge tx_clk) begin
|
|
if (tx_rst == 1'b1) begin
|
|
tx_sysref_m1 <= 'd0;
|
|
tx_sysref_m2 <= 'd0;
|
|
tx_sysref_m3 <= 'd0;
|
|
tx_sysref <= 'd0;
|
|
tx_ip_sync_m1 <= 'd0;
|
|
tx_ip_sync_m2 <= 'd0;
|
|
tx_ip_sync <= 'd0;
|
|
end else begin
|
|
tx_sysref_m1 <= tx_sysref_s;
|
|
tx_sysref_m2 <= tx_sysref_m1;
|
|
tx_sysref_m3 <= tx_sysref_m2;
|
|
tx_sysref <= tx_sysref_m2 & ~tx_sysref_m3;
|
|
tx_ip_sync_m1 <= up_tx_sync & tx_sync;
|
|
tx_ip_sync_m2 <= tx_ip_sync_m1;
|
|
tx_ip_sync <= tx_ip_sync_m2;
|
|
end
|
|
end
|
|
|
|
// status
|
|
|
|
always @(posedge up_clk) begin
|
|
if (up_rstn == 0) begin
|
|
up_rx_status_m1 <= 'd0;
|
|
up_rx_status <= 'd0;
|
|
up_tx_status_m1 <= 'd0;
|
|
up_tx_status <= 'd0;
|
|
end else begin
|
|
up_rx_status_m1 <= rx_sync & ~rx_error;
|
|
up_rx_status <= up_rx_status_m1;
|
|
up_tx_status_m1 <= tx_ip_sync & ~tx_error;
|
|
up_tx_status <= up_tx_status_m1;
|
|
end
|
|
end
|
|
|
|
// drp mux (es runs on drp clock)
|
|
|
|
always @(posedge drp_clk) begin
|
|
if (es_status == 1'b1) begin
|
|
drp_sel <= es_sel;
|
|
drp_wr <= es_wr;
|
|
drp_addr <= es_addr;
|
|
drp_wdata <= es_wdata;
|
|
es_rdata <= drp_rdata;
|
|
es_ready <= drp_ready;
|
|
drp_rdata_int <= 16'd0;
|
|
drp_ready_int <= 1'd0;
|
|
end else begin
|
|
drp_sel <= drp_sel_s;
|
|
drp_wr <= drp_wr_s;
|
|
drp_addr <= drp_addr_s;
|
|
drp_wdata <= drp_wdata_s;
|
|
es_rdata <= 16'd0;
|
|
es_ready <= 1'd0;
|
|
drp_rdata_int <= drp_rdata;
|
|
drp_ready_int <= drp_ready;
|
|
end
|
|
end
|
|
|
|
// drp control & status
|
|
|
|
up_drp_cntrl i_drp_cntrl (
|
|
.drp_clk (drp_clk),
|
|
.drp_rst (drp_rst),
|
|
.drp_sel (drp_sel_s),
|
|
.drp_wr (drp_wr_s),
|
|
.drp_addr (drp_addr_s),
|
|
.drp_wdata (drp_wdata_s),
|
|
.drp_rdata (drp_rdata_int),
|
|
.drp_ready (drp_ready_int),
|
|
.drp_locked (1'b0),
|
|
.up_rstn (up_rstn),
|
|
.up_clk (up_clk),
|
|
.up_drp_sel_t (up_drp_sel_t),
|
|
.up_drp_rwn (up_drp_rwn),
|
|
.up_drp_addr (up_drp_addr),
|
|
.up_drp_wdata (up_drp_wdata),
|
|
.up_drp_rdata (up_drp_rdata_s),
|
|
.up_drp_status (up_drp_status_s),
|
|
.up_drp_locked ());
|
|
|
|
// drp control xfer
|
|
|
|
up_xfer_cntrl #(.DATA_WIDTH(8)) i_drp_xfer_cntrl (
|
|
.up_rstn (up_rstn),
|
|
.up_clk (up_clk),
|
|
.up_data_cntrl (up_lanesel),
|
|
.up_xfer_done (),
|
|
.d_rst (drp_rst),
|
|
.d_clk (drp_clk),
|
|
.d_data_cntrl (drp_lanesel));
|
|
|
|
// drp status xfer
|
|
|
|
up_xfer_status #(.DATA_WIDTH(8)) i_drp_xfer_status (
|
|
.up_rstn (up_rstn),
|
|
.up_clk (up_clk),
|
|
.up_data_status (up_drp_rx_rate_s),
|
|
.d_rst (drp_rst),
|
|
.d_clk (drp_clk),
|
|
.d_data_status (drp_rx_rate));
|
|
|
|
// es start & stop
|
|
|
|
always @(posedge drp_clk) begin
|
|
if (drp_rst == 1'b1) begin
|
|
es_start_d1 <= 'd0;
|
|
es_start_d2 <= 'd0;
|
|
es_stop_d1 <= 'd0;
|
|
es_stop_d2 <= 'd0;
|
|
es_start <= 'd0;
|
|
es_stop <= 'd0;
|
|
end else begin
|
|
es_start_d1 <= es_start_s;
|
|
es_start_d2 <= es_start_d1;
|
|
es_stop_d1 <= es_stop_s;
|
|
es_stop_d2 <= es_stop_d1;
|
|
es_start <= es_start_d1 & ~es_start_d2;
|
|
es_stop <= es_stop_d1 & ~es_stop_d2;
|
|
end
|
|
end
|
|
|
|
// es control & status
|
|
|
|
up_xfer_cntrl #(.DATA_WIDTH(263)) i_es_xfer_cntrl (
|
|
.up_rstn (up_rstn),
|
|
.up_clk (up_clk),
|
|
.up_data_cntrl ({ up_es_start,
|
|
up_es_stop,
|
|
up_es_init,
|
|
up_lpm_dfe_n,
|
|
up_es_prescale,
|
|
up_es_voffset_range,
|
|
up_es_voffset_step,
|
|
up_es_voffset_max,
|
|
up_es_voffset_min,
|
|
up_es_hoffset_max,
|
|
up_es_hoffset_min,
|
|
up_es_hoffset_step,
|
|
up_es_start_addr,
|
|
up_es_sdata1,
|
|
up_es_sdata0,
|
|
up_es_sdata3,
|
|
up_es_sdata2,
|
|
up_es_sdata4,
|
|
up_es_qdata1,
|
|
up_es_qdata0,
|
|
up_es_qdata3,
|
|
up_es_qdata2,
|
|
up_es_qdata4}),
|
|
.up_xfer_done (),
|
|
.d_rst (drp_rst),
|
|
.d_clk (drp_clk),
|
|
.d_data_cntrl ({ es_start_s,
|
|
es_stop_s,
|
|
es_init,
|
|
es_lpm_dfe_n,
|
|
es_prescale,
|
|
es_voffset_range,
|
|
es_voffset_step,
|
|
es_voffset_max,
|
|
es_voffset_min,
|
|
es_hoffset_max,
|
|
es_hoffset_min,
|
|
es_hoffset_step,
|
|
es_start_addr,
|
|
es_sdata1,
|
|
es_sdata0,
|
|
es_sdata3,
|
|
es_sdata2,
|
|
es_sdata4,
|
|
es_qdata1,
|
|
es_qdata0,
|
|
es_qdata3,
|
|
es_qdata2,
|
|
es_qdata4}));
|
|
|
|
// status
|
|
|
|
up_xfer_status #(.DATA_WIDTH(2)) i_es_xfer_status (
|
|
.up_rstn (up_rstn),
|
|
.up_clk (up_clk),
|
|
.up_data_status ({up_es_dmaerr_s, up_es_status_s}),
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.d_rst (drp_rst),
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.d_clk (drp_clk),
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.d_data_status ({es_dmaerr, es_status}));
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endmodule
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// ***************************************************************************
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// ***************************************************************************
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