807 lines
26 KiB
Verilog
807 lines
26 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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`timescale 1ns/100ps
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module up_gt_channel (
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// gt interface
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pll_rst,
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lpm_dfe_n,
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cpll_pd,
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// receive interface
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rx_sys_clk_sel,
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rx_out_clk_sel,
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rx_clk,
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rx_gt_rst,
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rx_rst,
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rx_rst_m,
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rx_ip_rst,
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rx_sysref,
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rx_ip_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_rst_done_m,
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rx_pll_locked,
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rx_pll_locked_m,
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rx_user_ready,
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rx_ip_rst_done,
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// transmit interface
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tx_sys_clk_sel,
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tx_out_clk_sel,
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tx_clk,
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tx_gt_rst,
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tx_rst,
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tx_rst_m,
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tx_ip_rst,
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tx_sysref,
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tx_ip_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_rst_done_m,
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tx_pll_locked,
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tx_pll_locked_m,
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tx_user_ready,
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tx_ip_rst_done,
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// drp interface
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up_drp_sel,
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up_drp_wr,
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up_drp_addr,
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up_drp_wdata,
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up_drp_rdata,
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up_drp_ready,
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up_drp_rxrate,
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// es interface
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up_es_drp_sel,
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up_es_drp_wr,
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up_es_drp_addr,
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up_es_drp_wdata,
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up_es_drp_rdata,
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up_es_drp_ready,
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up_es_start,
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up_es_stop,
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up_es_init,
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up_es_prescale,
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up_es_voffset_range,
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up_es_voffset_step,
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up_es_voffset_max,
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up_es_voffset_min,
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up_es_hoffset_max,
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up_es_hoffset_min,
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up_es_hoffset_step,
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up_es_start_addr,
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up_es_sdata0,
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up_es_sdata1,
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up_es_sdata2,
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up_es_sdata3,
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up_es_sdata4,
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up_es_qdata0,
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up_es_qdata1,
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up_es_qdata2,
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up_es_qdata3,
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up_es_qdata4,
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up_es_dma_err,
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up_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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parameter integer ID = 0;
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parameter integer GTH_GTX_N = 0;
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// gt interface
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output pll_rst;
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output lpm_dfe_n;
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output cpll_pd;
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// receive interface
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output [ 1:0] rx_sys_clk_sel;
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output [ 2:0] rx_out_clk_sel;
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input rx_clk;
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output rx_gt_rst;
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output rx_rst;
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input rx_rst_m;
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output rx_ip_rst;
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input rx_sysref;
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output rx_ip_sysref;
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input rx_ip_sync;
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output rx_sync;
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input rx_rst_done;
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input rx_rst_done_m;
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input rx_pll_locked;
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input rx_pll_locked_m;
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output rx_user_ready;
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output rx_ip_rst_done;
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// transmit interface
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output [ 1:0] tx_sys_clk_sel;
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output [ 2:0] tx_out_clk_sel;
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input tx_clk;
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output tx_gt_rst;
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output tx_rst;
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input tx_rst_m;
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output tx_ip_rst;
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input tx_sysref;
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output tx_ip_sysref;
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input tx_sync;
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output tx_ip_sync;
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input tx_rst_done;
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input tx_rst_done_m;
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input tx_pll_locked;
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input tx_pll_locked_m;
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output tx_user_ready;
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output tx_ip_rst_done;
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// drp interface
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output up_drp_sel;
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output up_drp_wr;
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output [11:0] up_drp_addr;
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output [15:0] up_drp_wdata;
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input [15:0] up_drp_rdata;
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input up_drp_ready;
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input [ 7:0] up_drp_rxrate;
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// es interface
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input up_es_drp_sel;
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input up_es_drp_wr;
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input [11:0] up_es_drp_addr;
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input [15:0] up_es_drp_wdata;
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output [15:0] up_es_drp_rdata;
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output up_es_drp_ready;
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output up_es_start;
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output up_es_stop;
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output up_es_init;
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output [ 4:0] up_es_prescale;
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output [ 1:0] up_es_voffset_range;
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output [ 7:0] up_es_voffset_step;
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output [ 7:0] up_es_voffset_max;
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output [ 7:0] up_es_voffset_min;
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output [11:0] up_es_hoffset_max;
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output [11:0] up_es_hoffset_min;
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output [11:0] up_es_hoffset_step;
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output [31:0] up_es_start_addr;
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output [15:0] up_es_sdata0;
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output [15:0] up_es_sdata1;
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output [15:0] up_es_sdata2;
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output [15:0] up_es_sdata3;
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output [15:0] up_es_sdata4;
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output [15:0] up_es_qdata0;
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output [15:0] up_es_qdata1;
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output [15:0] up_es_qdata2;
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output [15:0] up_es_qdata3;
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output [15:0] up_es_qdata4;
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input up_es_dma_err;
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input up_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_pll_preset = 'd1;
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reg up_rx_gt_preset = 'd1;
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reg up_rx_preset = 'd1;
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reg up_tx_gt_preset = 'd1;
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reg up_tx_preset = 'd1;
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reg up_wack = '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_pll_resetn = 'd0;
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reg up_rx_gt_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_rx_user_ready = 'd0;
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reg up_tx_gt_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 up_tx_user_ready = 'd0;
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reg up_drp_sel_int = 'd0;
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reg up_drp_wr_int = 'd0;
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reg up_drp_status = 'd0;
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reg up_drp_rwn = 'd0;
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reg [11:0] up_drp_addr_int = 'd0;
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reg [15:0] up_drp_wdata_int = 'd0;
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reg [15:0] up_drp_rdata_hold = '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_stop_hold = 'd0;
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reg up_es_start = 'd0;
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reg up_es_start_hold = '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_dma_err_hold = 'd0;
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reg up_rack = 'd0;
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reg [31:0] up_rdata = 'd0;
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reg up_rx_rst_done_m1 = 'd0;
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reg up_rx_rst_done = 'd0;
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reg up_rx_rst_done_m_m1 = 'd0;
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reg up_rx_rst_done_m = 'd0;
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reg up_rx_pll_locked_m1 = 'd0;
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reg up_rx_pll_locked = 'd0;
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reg up_rx_pll_locked_m_m1 = 'd0;
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reg up_rx_pll_locked_m = '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_rst_done_m1 = 'd0;
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reg up_tx_rst_done = 'd0;
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reg up_tx_rst_done_m_m1 = 'd0;
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reg up_tx_rst_done_m = 'd0;
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reg up_tx_pll_locked_m1 = 'd0;
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reg up_tx_pll_locked = 'd0;
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reg up_tx_pll_locked_m_m1 = 'd0;
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reg up_tx_pll_locked_m = '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 up_drp_sel = 'd0;
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reg up_drp_wr = '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 [15:0] up_es_drp_rdata = 'd0;
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reg up_es_drp_ready = 'd0;
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reg [15:0] up_drp_rdata_int = 'd0;
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reg up_drp_ready_int = 'd0;
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reg rx_sysref_sel_m1 = 'd0;
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reg rx_sysref_sel = 'd0;
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reg rx_up_sysref_m1 = 'd0;
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reg rx_up_sysref = 'd0;
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reg rx_ip_sysref = 'd0;
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reg rx_up_sync_m1 = 'd0;
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reg rx_up_sync = 'd0;
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reg rx_sync = 'd0;
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reg tx_sysref_sel_m1 = 'd0;
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reg tx_sysref_sel = 'd0;
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reg tx_up_sysref_m1 = 'd0;
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reg tx_up_sysref = 'd0;
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reg tx_ip_sysref = 'd0;
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reg tx_up_sync_m1 = 'd0;
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reg tx_up_sync = 'd0;
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reg tx_ip_sync = '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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// decode block select
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assign up_wreq_s = (up_waddr[13:8] == ID) ? up_wreq : 1'b0;
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assign up_rreq_s = (up_raddr[13:8] == ID) ? up_rreq : 1'b0;
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// user ready & ip reset done
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assign lpm_dfe_n = up_lpm_dfe_n;
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assign cpll_pd = up_cpll_pd;
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assign rx_sys_clk_sel = up_rx_sys_clk_sel;
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assign rx_out_clk_sel = up_rx_out_clk_sel;
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assign rx_user_ready = up_rx_user_ready;
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assign rx_ip_rst_done = up_rx_rst_done_m;
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assign tx_sys_clk_sel = up_tx_sys_clk_sel;
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assign tx_out_clk_sel = up_tx_out_clk_sel;
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assign tx_user_ready = up_tx_user_ready;
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assign tx_ip_rst_done = up_tx_rst_done_m;
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// resets
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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_pll_preset <= 1'b1;
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up_rx_gt_preset <= 1'b1;
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up_tx_gt_preset <= 1'b1;
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up_rx_preset <= 1'b1;
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up_tx_preset <= 1'b1;
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end else begin
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up_pll_preset <= ~up_pll_resetn;
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up_rx_gt_preset <= ~(up_pll_resetn &
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up_rx_pll_locked_m & up_rx_gt_resetn);
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up_rx_preset <= ~(up_pll_resetn & up_rx_pll_locked_m &
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up_rx_rst_done_m & up_rx_gt_resetn & up_rx_resetn);
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up_tx_gt_preset <= ~(up_pll_resetn &
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up_tx_pll_locked_m & up_tx_gt_resetn);
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up_tx_preset <= ~(up_pll_resetn & up_tx_pll_locked_m &
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up_tx_rst_done_m & up_tx_gt_resetn & up_tx_resetn);
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end
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end
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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_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_pll_resetn <= 'd0;
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up_rx_gt_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_rx_user_ready <= 'd0;
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up_tx_gt_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_tx_user_ready <= 'd0;
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up_drp_sel_int <= 'd0;
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up_drp_wr_int <= 'd0;
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up_drp_status <= 'd0;
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up_drp_rwn <= 'd0;
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up_drp_addr_int <= 'd0;
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up_drp_wdata_int <= 'd0;
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up_drp_rdata_hold <= 'd0;
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up_es_init <= 'd0;
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up_es_stop <= 'd0;
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up_es_stop_hold <= 'd0;
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up_es_start <= 'd0;
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up_es_start_hold <= '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;
|
|
up_es_qdata0 <= 'd0;
|
|
up_es_qdata3 <= 'd0;
|
|
up_es_qdata2 <= 'd0;
|
|
up_es_qdata4 <= 'd0;
|
|
up_es_dma_err_hold <= 'd0;
|
|
end else begin
|
|
up_wack <= up_wreq_s;
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h04)) begin
|
|
up_lpm_dfe_n <= up_wdata[1];
|
|
up_cpll_pd <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h05)) begin
|
|
up_drp_resetn <= up_wdata[1];
|
|
up_pll_resetn <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h08)) begin
|
|
up_rx_gt_resetn <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h09)) begin
|
|
up_rx_resetn <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h0a)) begin
|
|
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'h0e)) begin
|
|
up_rx_user_ready <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h18)) begin
|
|
up_tx_gt_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'h1e)) begin
|
|
up_tx_user_ready <= up_wdata[0];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h24)) begin
|
|
up_drp_sel_int <= 1'b1;
|
|
up_drp_wr_int <= ~up_wdata[28];
|
|
end else begin
|
|
up_drp_sel_int <= 1'b0;
|
|
up_drp_wr_int <= 1'b0;
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h24)) begin
|
|
up_drp_status <= 1'b1;
|
|
end else if (up_drp_ready == 1'b1) begin
|
|
up_drp_status <= 1'b0;
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h24)) begin
|
|
up_drp_rwn <= up_wdata[28];
|
|
up_drp_addr_int <= up_wdata[27:16];
|
|
up_drp_wdata_int <= up_wdata[15:0];
|
|
end
|
|
if (up_drp_ready_int == 1'b1) begin
|
|
up_drp_rdata_hold <= up_drp_rdata_int;
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h28)) begin
|
|
up_es_init <= up_wdata[2];
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h28)) begin
|
|
up_es_stop <= up_wdata[1];
|
|
up_es_stop_hold <= up_wdata[1];
|
|
end else begin
|
|
up_es_stop <= 1'd0;
|
|
up_es_stop_hold <= up_es_stop_hold;
|
|
end
|
|
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h28)) begin
|
|
up_es_start <= up_wdata[0];
|
|
up_es_start_hold <= up_wdata[0];
|
|
end else begin
|
|
up_es_start <= 1'd0;
|
|
up_es_start_hold <= up_es_start_hold;
|
|
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_dma_err == 1'b1) begin
|
|
up_es_dma_err_hold <= 1'b1;
|
|
end else if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h38)) begin
|
|
up_es_dma_err_hold <= up_es_dma_err_hold & ~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'h04: up_rdata <= {30'd0, up_lpm_dfe_n, up_cpll_pd};
|
|
8'h05: up_rdata <= {30'd0, up_drp_resetn, up_pll_resetn};
|
|
8'h08: up_rdata <= {31'd0, up_rx_gt_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,
|
|
6'h3f, up_rx_rst_done_m, up_rx_rst_done,
|
|
6'h3f, up_rx_pll_locked_m, up_rx_pll_locked};
|
|
8'h0e: up_rdata <= {31'd0, up_rx_user_ready};
|
|
8'h18: up_rdata <= {31'd0, up_tx_gt_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,
|
|
6'h3f, up_tx_rst_done_m, up_tx_rst_done,
|
|
6'h3f, up_tx_pll_locked_m, up_tx_pll_locked};
|
|
8'h1e: up_rdata <= {31'd0, up_tx_user_ready};
|
|
8'h24: up_rdata <= {3'd0, up_drp_rwn, up_drp_addr_int, up_drp_wdata_int};
|
|
8'h25: up_rdata <= {15'd0, up_drp_status, up_drp_rdata_int};
|
|
8'h28: up_rdata <= {29'd0, up_es_init, up_es_stop_hold, up_es_start_hold};
|
|
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_dma_err_hold, up_es_status};
|
|
8'h39: up_rdata <= {24'd0, up_drp_rxrate};
|
|
8'h3a: up_rdata <= GTH_GTX_N;
|
|
default: up_rdata <= 0;
|
|
endcase
|
|
end else begin
|
|
up_rdata <= 32'd0;
|
|
end
|
|
end
|
|
end
|
|
|
|
// resets
|
|
|
|
ad_rst i_pll_rst_reg (.preset(up_pll_preset), .clk(up_clk), .rst(pll_rst));
|
|
ad_rst i_rx_gt_rst_reg (.preset(up_rx_gt_preset), .clk(up_clk), .rst(rx_gt_rst));
|
|
ad_rst i_rx_ip_rst_reg (.preset(up_rx_preset), .clk(up_clk), .rst(rx_ip_rst));
|
|
ad_rst i_rx_rst_reg (.preset(up_rx_preset), .clk(rx_clk), .rst(rx_rst));
|
|
ad_rst i_tx_gt_rst_reg (.preset(up_tx_gt_preset), .clk(up_clk), .rst(tx_gt_rst));
|
|
ad_rst i_tx_ip_rst_reg (.preset(up_tx_preset), .clk(up_clk), .rst(tx_ip_rst));
|
|
ad_rst i_tx_rst_reg (.preset(up_tx_preset), .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_rst_done <= 'd0;
|
|
up_rx_rst_done_m_m1 <= 'd0;
|
|
up_rx_rst_done_m <= 'd0;
|
|
up_rx_pll_locked_m1 <= 'd0;
|
|
up_rx_pll_locked <= 'd0;
|
|
up_rx_pll_locked_m_m1 <= 'd0;
|
|
up_rx_pll_locked_m <= 'd0;
|
|
up_rx_status_m1 <= 'd0;
|
|
up_rx_status <= 'd0;
|
|
up_tx_rst_done_m1 <= 'd0;
|
|
up_tx_rst_done <= 'd0;
|
|
up_tx_rst_done_m_m1 <= 'd0;
|
|
up_tx_rst_done_m <= 'd0;
|
|
up_tx_pll_locked_m1 <= 'd0;
|
|
up_tx_pll_locked <= 'd0;
|
|
up_tx_pll_locked_m_m1 <= 'd0;
|
|
up_tx_pll_locked_m <= 'd0;
|
|
up_tx_status_m1 <= 'd0;
|
|
up_tx_status <= 'd0;
|
|
end else begin
|
|
up_rx_rst_done_m1 <= rx_rst_done;
|
|
up_rx_rst_done <= up_rx_rst_done_m1;
|
|
up_rx_rst_done_m_m1 <= rx_rst_done_m;
|
|
up_rx_rst_done_m <= up_rx_rst_done_m_m1;
|
|
up_rx_pll_locked_m1 <= rx_pll_locked;
|
|
up_rx_pll_locked <= up_rx_pll_locked_m1;
|
|
up_rx_pll_locked_m_m1 <= rx_pll_locked_m;
|
|
up_rx_pll_locked_m <= up_rx_pll_locked_m_m1;
|
|
up_rx_status_m1 <= rx_sync;
|
|
up_rx_status <= up_rx_status_m1;
|
|
up_tx_rst_done_m1 <= tx_rst_done;
|
|
up_tx_rst_done <= up_tx_rst_done_m1;
|
|
up_tx_rst_done_m_m1 <= tx_rst_done_m;
|
|
up_tx_rst_done_m <= up_tx_rst_done_m_m1;
|
|
up_tx_pll_locked_m1 <= tx_pll_locked;
|
|
up_tx_pll_locked <= up_tx_pll_locked_m1;
|
|
up_tx_pll_locked_m_m1 <= tx_pll_locked_m;
|
|
up_tx_pll_locked_m <= up_tx_pll_locked_m_m1;
|
|
up_tx_status_m1 <= tx_ip_sync;
|
|
up_tx_status <= up_tx_status_m1;
|
|
end
|
|
end
|
|
|
|
// drp mux
|
|
|
|
always @(negedge up_rstn or posedge up_clk) begin
|
|
if (up_rstn == 1'b0) begin
|
|
up_drp_sel <= 'd0;
|
|
up_drp_wr <= 'd0;
|
|
up_drp_addr <= 'd0;
|
|
up_drp_wdata <= 'd0;
|
|
up_es_drp_rdata <= 'd0;
|
|
up_es_drp_ready <= 'd0;
|
|
up_drp_rdata_int <= 'd0;
|
|
up_drp_ready_int <= 'd0;
|
|
end else begin
|
|
if (up_es_status == 1'b1) begin
|
|
up_drp_sel <= up_es_drp_sel;
|
|
up_drp_wr <= up_es_drp_wr;
|
|
up_drp_addr <= up_es_drp_addr;
|
|
up_drp_wdata <= up_es_drp_wdata;
|
|
up_es_drp_rdata <= up_drp_rdata;
|
|
up_es_drp_ready <= up_drp_ready;
|
|
up_drp_rdata_int <= 16'd0;
|
|
up_drp_ready_int <= 1'd0;
|
|
end else begin
|
|
up_drp_sel <= up_drp_sel_int;
|
|
up_drp_wr <= up_drp_wr_int;
|
|
up_drp_addr <= up_drp_addr_int;
|
|
up_drp_wdata <= up_drp_wdata_int;
|
|
up_es_drp_rdata <= 16'd0;
|
|
up_es_drp_ready <= 1'd0;
|
|
up_drp_rdata_int <= up_drp_rdata;
|
|
up_drp_ready_int <= up_drp_ready;
|
|
end
|
|
end
|
|
end
|
|
|
|
// rx sysref & sync
|
|
|
|
always @(posedge rx_clk) begin
|
|
if (rx_rst_m == 1'b1) begin
|
|
rx_sysref_sel_m1 <= 'd0;
|
|
rx_sysref_sel <= 'd0;
|
|
rx_up_sysref_m1 <= 'd0;
|
|
rx_up_sysref <= 'd0;
|
|
rx_ip_sysref <= 'd0;
|
|
rx_up_sync_m1 <= 'd0;
|
|
rx_up_sync <= 'd0;
|
|
rx_sync <= 'd0;
|
|
end else begin
|
|
rx_sysref_sel_m1 <= up_rx_sysref_sel;
|
|
rx_sysref_sel <= rx_sysref_sel_m1;
|
|
rx_up_sysref_m1 <= up_rx_sysref;
|
|
rx_up_sysref <= rx_up_sysref_m1;
|
|
if (rx_sysref_sel_m1 == 1'b1) begin
|
|
rx_ip_sysref <= rx_sysref;
|
|
end else begin
|
|
rx_ip_sysref <= rx_up_sysref;
|
|
end
|
|
rx_up_sync_m1 <= up_rx_sync;
|
|
rx_up_sync <= rx_up_sync_m1;
|
|
rx_sync <= rx_up_sync & rx_ip_sync;
|
|
end
|
|
end
|
|
|
|
// tx sysref & sync
|
|
|
|
always @(posedge tx_clk) begin
|
|
if (tx_rst_m == 1'b1) begin
|
|
tx_sysref_sel_m1 <= 'd0;
|
|
tx_sysref_sel <= 'd0;
|
|
tx_up_sysref_m1 <= 'd0;
|
|
tx_up_sysref <= 'd0;
|
|
tx_ip_sysref <= 'd0;
|
|
tx_up_sync_m1 <= 'd0;
|
|
tx_up_sync <= 'd0;
|
|
tx_ip_sync <= 'd0;
|
|
end else begin
|
|
tx_sysref_sel_m1 <= up_tx_sysref_sel;
|
|
tx_sysref_sel <= tx_sysref_sel_m1;
|
|
tx_up_sysref_m1 <= up_tx_sysref;
|
|
tx_up_sysref <= tx_up_sysref_m1;
|
|
if (tx_sysref_sel_m1 == 1'b1) begin
|
|
tx_ip_sysref <= tx_sysref;
|
|
end else begin
|
|
tx_ip_sysref <= tx_up_sysref;
|
|
end
|
|
tx_up_sync_m1 <= up_tx_sync;
|
|
tx_up_sync <= tx_up_sync_m1;
|
|
tx_ip_sync <= tx_up_sync & tx_sync;
|
|
end
|
|
end
|
|
|
|
endmodule
|
|
|
|
// ***************************************************************************
|
|
// ***************************************************************************
|