360 lines
11 KiB
Verilog
360 lines
11 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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// In this HDL repository, there are many different and unique modules, consisting
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// of various HDL (Verilog or VHDL) components. The individual modules are
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// developed independently, and may be accompanied by separate and unique license
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// terms.
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//
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// The user should read each of these license terms, and understand the
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// freedoms and responsabilities that he or she has by using this source/core.
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//
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// This core is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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// A PARTICULAR PURPOSE.
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//
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// Redistribution and use of source or resulting binaries, with or without modification
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// of this file, are permitted under one of the following two license terms:
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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
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// of this repository (LICENSE_GPL2), and also online at:
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// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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//
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// OR
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//
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// 2. An ADI specific BSD license, which can be found in the top level directory
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// of this repository (LICENSE_ADIBSD), and also on-line at:
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// https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
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// This will allow to generate bit files and not release the source code,
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// as long as it attaches to an ADI device.
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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_ad9684 #(
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parameter ID = 0,
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parameter DEVICE_TYPE = 0,
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parameter IO_DELAY_GROUP = "dev_if_delay_group",
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parameter OR_STATUS = 1) (
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// device interface ports
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input adc_clk_in_p,
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input adc_clk_in_n,
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input [13:0] adc_data_in_p,
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input [13:0] adc_data_in_n,
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input adc_data_or_p,
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input adc_data_or_n,
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// dma interface ports
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output adc_clk,
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output adc_rst,
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output adc_valid_0,
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output adc_enable_0,
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output [31:0] adc_data_0,
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output adc_valid_1,
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output adc_enable_1,
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output [31:0] adc_data_1,
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input adc_dovf,
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input adc_dunf,
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// delay clock ports
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input delay_clk,
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// axi slave interface ports
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input s_axi_aclk,
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input s_axi_aresetn,
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input s_axi_awvalid,
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input [15:0] s_axi_awaddr,
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input [ 2:0] s_axi_awprot,
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output s_axi_awready,
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input s_axi_wvalid,
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input [31:0] s_axi_wdata,
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input [ 3:0] s_axi_wstrb,
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output s_axi_wready,
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output s_axi_bvalid,
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output [ 1:0] s_axi_bresp,
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input s_axi_bready,
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input s_axi_arvalid,
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input [15:0] s_axi_araddr,
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input [ 2:0] s_axi_arprot,
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output s_axi_arready,
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output s_axi_rvalid,
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output [ 1:0] s_axi_rresp,
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output [31:0] s_axi_rdata,
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input s_axi_rready);
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// internal registers
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reg up_wack = 1'b0;
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reg [31:0] up_rdata = 32'b0;
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reg up_rack = 1'b0;
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// internal clocks & resets
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wire up_clk;
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wire up_rstn;
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wire delay_rst;
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// internal signals
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wire [55:0] adc_rawdata_s;
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wire [27:0] adc_rawdata_0_s;
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wire [27:0] adc_rawdata_1_s;
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wire adc_or_0_s;
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wire adc_or_1_s;
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wire adc_status_s;
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wire adc_or_s;
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wire [14:0] up_dld_s;
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wire [74:0] up_dwdata_s;
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wire [74:0] up_drdata_s;
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wire delay_locked_s;
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wire up_status_pn_err_s;
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wire up_status_pn_oos_s;
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wire up_status_or_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 up_rreq_s;
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wire [13:0] up_raddr_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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wire up_wreq_s;
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wire [13:0] up_waddr_s;
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wire [31:0] up_wdata_s;
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wire up_drp_sel_s;
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wire up_drp_wr_s;
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wire [11:0] up_drp_addr_s;
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wire [31:0] up_drp_wdata_s;
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wire [31:0] up_drp_rdata_s;
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wire up_drp_ready_s;
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wire up_drp_locked_s;
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wire rst_s;
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//defaults
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assign up_clk = s_axi_aclk;
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assign up_rstn = s_axi_aresetn;
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assign adc_valid = 1'b1;
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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_rdata <= 32'd0;
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up_rack <= 1'd0;
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up_wack <= 1'd0;
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end else 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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end
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// device interface instance
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axi_ad9684_if #(
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.DEVICE_TYPE(DEVICE_TYPE),
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.IO_DELAY_GROUP(IO_DELAY_GROUP),
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.OR_STATUS (OR_STATUS))
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i_ad9684_if (
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.adc_clk_in_p (adc_clk_in_p),
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.adc_clk_in_n (adc_clk_in_n),
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.adc_data_in_p (adc_data_in_p),
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.adc_data_in_n (adc_data_in_n),
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.adc_data_or_p (adc_data_or_p),
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.adc_data_or_n (adc_data_or_n),
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_data_a (adc_rawdata_0_s),
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.adc_or_a (adc_or_0_s),
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.adc_data_b (adc_rawdata_1_s),
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.adc_or_b (adc_or_1_s),
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.adc_status (adc_status_s),
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.delay_clk (delay_clk),
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.delay_rst (delay_rst),
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.delay_dload (up_dld_s),
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.delay_wdata (up_dwdata_s),
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.delay_rdata (up_drdata_s),
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.delay_locked (delay_locked_s),
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.rst (rst_s),
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.up_clk (up_clk),
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.up_rstn (up_rstn),
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.up_drp_sel (up_drp_sel_s),
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.up_drp_wr (up_drp_wr_s),
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.up_drp_addr (up_drp_addr_s),
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.up_drp_wdata (up_drp_wdata_s),
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.up_drp_rdata (up_drp_rdata_s),
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.up_drp_ready (up_drp_ready_s),
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.up_drp_locked (up_drp_locked_s));
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// common processor control instance
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assign up_status_pn_err_s = up_adc_pn_err_s[0] | up_adc_pn_err_s[1];
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assign up_status_pn_oos_s = up_adc_pn_oos_s[0] | up_adc_pn_oos_s[1];
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assign up_status_or_s = up_adc_or_s[0] | up_adc_or_s[1];
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up_adc_common #(
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.ID(ID))
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i_up_adc_common (
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.mmcm_rst (rst_s),
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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_s),
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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'b1),
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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_adc_ce(),
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.up_status_pn_err (up_status_pn_err_s),
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.up_status_pn_oos (up_status_pn_oos_s),
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.up_status_or (up_status_or_s),
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.up_drp_sel (up_drp_sel_s),
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.up_drp_wr (up_drp_wr_s),
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.up_drp_addr (up_drp_addr_s),
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.up_drp_wdata (up_drp_wdata_s),
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.up_drp_rdata (up_drp_rdata_s),
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.up_drp_ready (up_drp_ready_s),
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.up_drp_locked (up_drp_locked_s),
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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'd0),
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.up_adc_gpio_out (),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[0]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[0]),
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.up_rack (up_rack_s[0]));
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// adc channel 0 instance
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axi_ad9684_channel #(
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.CHANNEL_ID (0),
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.Q_OR_I_N (0))
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i_channel_0 (
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_data (adc_rawdata_0_s),
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.adc_data_q (adc_rawdata_1_s),
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.adc_or (adc_or_0_s),
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.adc_dfmt_data (adc_data_0),
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.adc_valid (adc_valid_0),
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.adc_enable (adc_enable_0),
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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_clk (up_clk),
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.up_rstn (up_rstn),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[1]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[1]),
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.up_rack (up_rack_s[1]));
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// adc channel 1 instance
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axi_ad9684_channel #(
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.CHANNEL_ID (1),
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.Q_OR_I_N (1))
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i_channel_1 (
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_data (adc_rawdata_1_s),
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.adc_data_q (adc_rawdata_0_s),
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.adc_or (adc_or_1_s),
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.adc_dfmt_data (adc_data_1),
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.adc_valid (adc_valid_1),
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.adc_enable (adc_enable_1),
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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_clk (up_clk),
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.up_rstn (up_rstn),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[2]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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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 instance
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up_delay_cntrl #(
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.DATA_WIDTH(15))
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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_s),
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.up_dld (up_dld_s),
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.up_dwdata (up_dwdata_s),
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.up_drdata (up_drdata_s),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[3]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[3]),
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.up_rack (up_rack_s[3]));
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// uP bus interface instance
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up_axi i_up_axi (
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_axi_awvalid (s_axi_awvalid),
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.up_axi_awaddr (s_axi_awaddr),
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.up_axi_awready (s_axi_awready),
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.up_axi_wvalid (s_axi_wvalid),
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.up_axi_wdata (s_axi_wdata),
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.up_axi_wstrb (s_axi_wstrb),
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.up_axi_wready (s_axi_wready),
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.up_axi_bvalid (s_axi_bvalid),
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.up_axi_bresp (s_axi_bresp),
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.up_axi_bready (s_axi_bready),
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.up_axi_arvalid (s_axi_arvalid),
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.up_axi_araddr (s_axi_araddr),
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.up_axi_arready (s_axi_arready),
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.up_axi_rvalid (s_axi_rvalid),
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.up_axi_rresp (s_axi_rresp),
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.up_axi_rdata (s_axi_rdata),
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.up_axi_rready (s_axi_rready),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata),
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.up_rack (up_rack));
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endmodule
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