pluto_hdl_adi/library/axi_ad9684/axi_ad9684.v

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// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
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//
// In this HDL repository, there are many different and unique modules, consisting
// of various HDL (Verilog or VHDL) components. The individual modules are
// developed independently, and may be accompanied by separate and unique license
// terms.
//
// The user should read each of these license terms, and understand the
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// freedoms and responsibilities that he or she has by using this source/core.
//
// This core is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE.
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//
// Redistribution and use of source or resulting binaries, with or without modification
// of this file, are permitted under one of the following two license terms:
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//
// 1. The GNU General Public License version 2 as published by the
// Free Software Foundation, which can be found in the top level directory
// of this repository (LICENSE_GPL2), and also online at:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// OR
//
// 2. An ADI specific BSD license, which can be found in the top level directory
// of this repository (LICENSE_ADIBSD), and also on-line at:
// https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
// This will allow to generate bit files and not release the source code,
// as long as it attaches to an ADI device.
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//
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module axi_ad9684 #(
parameter ID = 0,
parameter DEVICE_TYPE = 0,
parameter IO_DELAY_GROUP = "dev_if_delay_group",
parameter OR_STATUS = 1) (
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// device interface ports
input adc_clk_in_p,
input adc_clk_in_n,
input [13:0] adc_data_in_p,
input [13:0] adc_data_in_n,
input adc_data_or_p,
input adc_data_or_n,
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// dma interface ports
output adc_clk,
output adc_rst,
output adc_valid_0,
output adc_enable_0,
output [31:0] adc_data_0,
output adc_valid_1,
output adc_enable_1,
output [31:0] adc_data_1,
input adc_dovf,
input adc_dunf,
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// delay clock ports
input delay_clk,
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// axi slave interface ports
input s_axi_aclk,
input s_axi_aresetn,
input s_axi_awvalid,
input [15:0] s_axi_awaddr,
input [ 2:0] s_axi_awprot,
output s_axi_awready,
input s_axi_wvalid,
input [31:0] s_axi_wdata,
input [ 3:0] s_axi_wstrb,
output s_axi_wready,
output s_axi_bvalid,
output [ 1:0] s_axi_bresp,
input s_axi_bready,
input s_axi_arvalid,
input [15:0] s_axi_araddr,
input [ 2:0] s_axi_arprot,
output s_axi_arready,
output s_axi_rvalid,
output [ 1:0] s_axi_rresp,
output [31:0] s_axi_rdata,
input s_axi_rready);
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// internal registers
reg up_wack = 1'b0;
reg [31:0] up_rdata = 32'b0;
reg up_rack = 1'b0;
// internal clocks & resets
wire up_clk;
wire up_rstn;
wire delay_rst;
// internal signals
wire [55:0] adc_rawdata_s;
wire [27:0] adc_rawdata_0_s;
wire [27:0] adc_rawdata_1_s;
wire adc_or_0_s;
wire adc_or_1_s;
wire adc_status_s;
wire adc_or_s;
wire [14:0] up_dld_s;
wire [74:0] up_dwdata_s;
wire [74:0] up_drdata_s;
wire delay_locked_s;
wire up_status_pn_err_s;
wire up_status_pn_oos_s;
wire up_status_or_s;
wire [ 1:0] up_adc_pn_err_s;
wire [ 1:0] up_adc_pn_oos_s;
wire [ 1:0] up_adc_or_s;
wire up_rreq_s;
wire [13:0] up_raddr_s;
wire [31:0] up_rdata_s[0:3];
wire up_rack_s[0:3];
wire up_wack_s[0:3];
wire up_wreq_s;
wire [13:0] up_waddr_s;
wire [31:0] up_wdata_s;
wire up_drp_sel_s;
wire up_drp_wr_s;
wire [11:0] up_drp_addr_s;
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wire [31:0] up_drp_wdata_s;
wire [31:0] up_drp_rdata_s;
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wire up_drp_ready_s;
wire up_drp_locked_s;
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wire rst_s;
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//defaults
assign up_clk = s_axi_aclk;
assign up_rstn = s_axi_aresetn;
assign adc_valid = 1'b1;
// processor read interface
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_rdata <= 32'd0;
up_rack <= 1'd0;
up_wack <= 1'd0;
end else begin
up_rdata <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2] | up_rdata_s[3];
up_rack <= up_rack_s[0] | up_rack_s[1] | up_rack_s[2] | up_rack_s[3];
up_wack <= up_wack_s[0] | up_wack_s[1] | up_wack_s[2] | up_wack_s[3];
end
end
// device interface instance
axi_ad9684_if #(
.DEVICE_TYPE(DEVICE_TYPE),
.IO_DELAY_GROUP(IO_DELAY_GROUP),
.OR_STATUS (OR_STATUS))
i_ad9684_if (
.adc_clk_in_p (adc_clk_in_p),
.adc_clk_in_n (adc_clk_in_n),
.adc_data_in_p (adc_data_in_p),
.adc_data_in_n (adc_data_in_n),
.adc_data_or_p (adc_data_or_p),
.adc_data_or_n (adc_data_or_n),
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_data_a (adc_rawdata_0_s),
.adc_or_a (adc_or_0_s),
.adc_data_b (adc_rawdata_1_s),
.adc_or_b (adc_or_1_s),
.adc_status (adc_status_s),
.delay_clk (delay_clk),
.delay_rst (delay_rst),
.delay_dload (up_dld_s),
.delay_wdata (up_dwdata_s),
.delay_rdata (up_drdata_s),
.delay_locked (delay_locked_s),
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.rst (rst_s),
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.up_clk (up_clk),
.up_rstn (up_rstn),
.up_drp_sel (up_drp_sel_s),
.up_drp_wr (up_drp_wr_s),
.up_drp_addr (up_drp_addr_s),
.up_drp_wdata (up_drp_wdata_s),
.up_drp_rdata (up_drp_rdata_s),
.up_drp_ready (up_drp_ready_s),
.up_drp_locked (up_drp_locked_s));
// common processor control instance
assign up_status_pn_err_s = up_adc_pn_err_s[0] | up_adc_pn_err_s[1];
assign up_status_pn_oos_s = up_adc_pn_oos_s[0] | up_adc_pn_oos_s[1];
assign up_status_or_s = up_adc_or_s[0] | up_adc_or_s[1];
up_adc_common #(
.ID(ID),
.CONFIG (0),
.COMMON_ID (6'h00),
.DRP_DISABLE (6'h00),
.USERPORTS_DISABLE (0),
.GPIO_DISABLE (0),
.START_CODE_DISABLE(0))
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i_up_adc_common (
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.mmcm_rst (rst_s),
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.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_r1_mode (),
.adc_ddr_edgesel (),
.adc_pin_mode (),
.adc_status (adc_status_s),
.adc_sync_status (1'd0),
.adc_status_ovf (adc_dovf),
.adc_status_unf (adc_dunf),
.adc_clk_ratio (32'b1),
.adc_start_code (),
.adc_sref_sync(),
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.adc_sync (),
.up_pps_rcounter(32'd0),
.up_pps_status(1'd0),
.up_pps_irq_mask(),
.up_adc_ce(),
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.up_status_pn_err (up_status_pn_err_s),
.up_status_pn_oos (up_status_pn_oos_s),
.up_status_or (up_status_or_s),
.up_drp_sel (up_drp_sel_s),
.up_drp_wr (up_drp_wr_s),
.up_drp_addr (up_drp_addr_s),
.up_drp_wdata (up_drp_wdata_s),
.up_drp_rdata (up_drp_rdata_s),
.up_drp_ready (up_drp_ready_s),
.up_drp_locked (up_drp_locked_s),
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.up_usr_chanmax_out (),
.up_usr_chanmax_in (8'd1),
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.up_adc_gpio_in (32'd0),
.up_adc_gpio_out (),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack_s[0]),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata_s[0]),
.up_rack (up_rack_s[0]));
// adc channel 0 instance
axi_ad9684_channel #(
.CHANNEL_ID (0),
.Q_OR_I_N (0))
i_channel_0 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_data (adc_rawdata_0_s),
.adc_data_q (adc_rawdata_1_s),
.adc_or (adc_or_0_s),
.adc_dfmt_data (adc_data_0),
.adc_valid (adc_valid_0),
.adc_enable (adc_enable_0),
.up_adc_pn_err (up_adc_pn_err_s[0]),
.up_adc_pn_oos (up_adc_pn_oos_s[0]),
.up_adc_or (up_adc_or_s[0]),
.up_clk (up_clk),
.up_rstn (up_rstn),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack_s[1]),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata_s[1]),
.up_rack (up_rack_s[1]));
// adc channel 1 instance
axi_ad9684_channel #(
.CHANNEL_ID (1),
.Q_OR_I_N (1))
i_channel_1 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_data (adc_rawdata_1_s),
.adc_data_q (adc_rawdata_0_s),
.adc_or (adc_or_1_s),
.adc_dfmt_data (adc_data_1),
.adc_valid (adc_valid_1),
.adc_enable (adc_enable_1),
.up_adc_pn_err (up_adc_pn_err_s[1]),
.up_adc_pn_oos (up_adc_pn_oos_s[1]),
.up_adc_or (up_adc_or_s[1] ),
.up_clk (up_clk),
.up_rstn (up_rstn),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack_s[2]),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata_s[2]),
.up_rack (up_rack_s[2]));
// adc delay control instance
up_delay_cntrl #(
.DATA_WIDTH(15))
i_delay_cntrl (
.delay_clk (delay_clk),
.delay_rst (delay_rst),
.delay_locked (delay_locked_s),
.up_dld (up_dld_s),
.up_dwdata (up_dwdata_s),
.up_drdata (up_drdata_s),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack_s[3]),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata_s[3]),
.up_rack (up_rack_s[3]));
// uP bus interface instance
up_axi i_up_axi (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_axi_awvalid (s_axi_awvalid),
.up_axi_awaddr (s_axi_awaddr),
.up_axi_awready (s_axi_awready),
.up_axi_wvalid (s_axi_wvalid),
.up_axi_wdata (s_axi_wdata),
.up_axi_wstrb (s_axi_wstrb),
.up_axi_wready (s_axi_wready),
.up_axi_bvalid (s_axi_bvalid),
.up_axi_bresp (s_axi_bresp),
.up_axi_bready (s_axi_bready),
.up_axi_arvalid (s_axi_arvalid),
.up_axi_araddr (s_axi_araddr),
.up_axi_arready (s_axi_arready),
.up_axi_rvalid (s_axi_rvalid),
.up_axi_rresp (s_axi_rresp),
.up_axi_rdata (s_axi_rdata),
.up_axi_rready (s_axi_rready),
.up_wreq (up_wreq_s),
.up_waddr (up_waddr_s),
.up_wdata (up_wdata_s),
.up_wack (up_wack),
.up_rreq (up_rreq_s),
.up_raddr (up_raddr_s),
.up_rdata (up_rdata),
.up_rack (up_rack));
endmodule