262 lines
7.2 KiB
Verilog
262 lines
7.2 KiB
Verilog
// ***************************************************************************
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// ***************************************************************************
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// Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
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//
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// Each core or library found in this collection may have its own licensing terms.
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// The user should keep this in in mind while exploring these cores.
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//
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// Redistribution and use in source and binary forms,
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// with or without modification of this file, are permitted under the terms of either
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// (at the option of the user):
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//
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// 1. The GNU General Public License version 2 as published by the
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// Free Software Foundation, which can be found in the top level directory, or at:
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// https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
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//
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// OR
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//
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// 2. An ADI specific BSD license as noted in the top level directory, or on-line at:
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// https://github.com/analogdevicesinc/hdl/blob/dev/LICENSE
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//
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module axi_ad9963_rx #(
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// parameters
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parameter DATAPATH_DISABLE = 0,
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parameter IODELAY_ENABLE = 0,
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parameter ID = 0) (
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// adc interface
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output adc_rst,
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input adc_clk,
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input adc_valid,
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input [23:0] adc_data,
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input adc_status,
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// delay interface
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output [12:0] up_dld,
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output [64:0] up_dwdata,
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input [64:0] up_drdata,
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input delay_clk,
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output delay_rst,
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input delay_locked,
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// dma interface
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output adc_enable_i,
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output adc_valid_i,
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output [15:0] adc_data_i,
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output adc_enable_q,
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output adc_valid_q,
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output [15:0] adc_data_q,
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input adc_dovf,
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input adc_dunf,
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output up_adc_ce,
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// processor 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 reg up_wack,
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input up_rreq,
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input [13:0] up_raddr,
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output reg [31:0] up_rdata,
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output reg up_rack);
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// internal registers
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reg up_status_pn_err = 'd0;
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reg up_status_pn_oos = 'd0;
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reg up_status_or = 'd0;
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// internal signals
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wire [15:0] adc_dcfilter_data_out_0_s;
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wire [15:0] adc_dcfilter_data_out_1_s;
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wire [ 1:0] up_adc_pn_err_s;
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wire [ 1:0] up_adc_pn_oos_s;
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wire [ 1:0] up_adc_or_s;
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wire [31:0] up_rdata_s[0:3];
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wire up_rack_s[0:3];
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wire up_wack_s[0:3];
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// processor read 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_status_pn_err <= 'd0;
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up_status_pn_oos <= 'd0;
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up_status_or <= 'd0;
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end else begin
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up_status_pn_err <= | up_adc_pn_err_s;
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up_status_pn_oos <= | up_adc_pn_oos_s;
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up_status_or <= | up_adc_or_s;
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end
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end
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always @(*) begin
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up_rdata <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2] | up_rdata_s[3];
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up_rack <= up_rack_s[0] | up_rack_s[1] | up_rack_s[2] | up_rack_s[3];
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up_wack <= up_wack_s[0] | up_wack_s[1] | up_wack_s[2] | up_wack_s[3];
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end
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// channel 0 (i)
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axi_ad9963_rx_channel #(
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.Q_OR_I_N(0),
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.CHANNEL_ID(0),
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.DATAPATH_DISABLE (DATAPATH_DISABLE))
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i_rx_channel_0 (
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_valid (adc_valid),
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.adc_data (adc_data[11:0]),
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.adc_or (1'b0),
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.adc_dcfilter_data_out (adc_dcfilter_data_out_0_s),
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.adc_dcfilter_data_in (adc_dcfilter_data_out_1_s),
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.adc_iqcor_valid (adc_valid_i),
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.adc_iqcor_data (adc_data_i),
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.adc_enable (adc_enable_i),
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.up_adc_pn_err (up_adc_pn_err_s[0]),
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.up_adc_pn_oos (up_adc_pn_oos_s[0]),
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.up_adc_or (up_adc_or_s[0]),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq),
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.up_waddr (up_waddr),
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.up_wdata (up_wdata),
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.up_wack (up_wack_s[0]),
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.up_rreq (up_rreq),
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.up_raddr (up_raddr),
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.up_rdata (up_rdata_s[0]),
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.up_rack (up_rack_s[0]));
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// channel 1 (q)
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axi_ad9963_rx_channel #(
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.Q_OR_I_N(1),
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.CHANNEL_ID(1),
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.DATAPATH_DISABLE (DATAPATH_DISABLE))
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i_rx_channel_1 (
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_valid (adc_valid),
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.adc_data (adc_data[23:12]),
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.adc_or (1'b0),
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.adc_dcfilter_data_out (adc_dcfilter_data_out_1_s),
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.adc_dcfilter_data_in (adc_dcfilter_data_out_0_s),
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.adc_iqcor_valid (adc_valid_q),
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.adc_iqcor_data (adc_data_q),
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.adc_enable (adc_enable_q),
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.up_adc_pn_err (up_adc_pn_err_s[1]),
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.up_adc_pn_oos (up_adc_pn_oos_s[1]),
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.up_adc_or (up_adc_or_s[1]),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq),
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.up_waddr (up_waddr),
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.up_wdata (up_wdata),
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.up_wack (up_wack_s[1]),
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.up_rreq (up_rreq),
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.up_raddr (up_raddr),
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.up_rdata (up_rdata_s[1]),
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.up_rack (up_rack_s[1]));
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// common processor control
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up_adc_common #(
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.ID (ID),
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.DRP_DISABLE (1),
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.USERPORTS_DISABLE (1),
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.GPIO_DISABLE (1),
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.START_CODE_DISABLE (1)
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) i_up_adc_common (
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.mmcm_rst (),
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_r1_mode (),
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.adc_ddr_edgesel (),
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.adc_pin_mode (),
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.adc_status (adc_status),
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.adc_sync_status (1'd0),
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.adc_status_ovf (adc_dovf),
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.adc_status_unf (adc_dunf),
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.adc_clk_ratio (32'd1),
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.adc_start_code (),
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.adc_sref_sync (),
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.adc_sync (),
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.up_status_pn_err (up_status_pn_err),
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.up_status_pn_oos (up_status_pn_oos),
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.up_status_or (up_status_or),
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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 (16'd0),
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.up_drp_ready (1'd0),
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.up_drp_locked (1'd1),
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.up_usr_chanmax_out (),
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.up_usr_chanmax_in (8'd1),
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.up_adc_gpio_in (32'h0),
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.up_adc_gpio_out (),
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.up_adc_ce(up_adc_ce),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq),
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.up_waddr (up_waddr),
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.up_wdata (up_wdata),
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.up_wack (up_wack_s[2]),
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.up_rreq (up_rreq),
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.up_raddr (up_raddr),
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.up_rdata (up_rdata_s[2]),
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.up_rack (up_rack_s[2]));
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// adc delay control
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generate if (IODELAY_ENABLE == 1) begin
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up_delay_cntrl #(.DATA_WIDTH(13), .BASE_ADDRESS(6'h02)) i_delay_cntrl (
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.delay_clk (delay_clk),
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.delay_rst (delay_rst),
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.delay_locked (delay_locked),
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.up_dld (up_dld),
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.up_dwdata (up_dwdata),
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.up_drdata (up_drdata),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq),
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.up_waddr (up_waddr),
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.up_wdata (up_wdata),
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.up_wack (up_wack_s[3]),
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.up_rreq (up_rreq),
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.up_raddr (up_raddr),
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.up_rdata (up_rdata_s[3]),
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.up_rack (up_rack_s[3]));
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end else begin
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assign up_dld = 'h00;
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assign up_dwdata = 'h00;
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assign delay_rst = 1'b1;
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assign up_wack_s[3] = 0;
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assign up_rack_s[3] = 0;
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assign up_rdata_s[3] = 'h00;
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end
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endgenerate
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endmodule
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// ***************************************************************************
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// ***************************************************************************
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