365 lines
10 KiB
Verilog
365 lines
10 KiB
Verilog
// ***************************************************************************
|
|
// ***************************************************************************
|
|
// Copyright (C) 2022-2023 Analog Devices, Inc. All rights reserved.
|
|
//
|
|
// 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
|
|
// 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.
|
|
//
|
|
// 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:
|
|
//
|
|
// 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.
|
|
//
|
|
// ***************************************************************************
|
|
// ***************************************************************************
|
|
|
|
`timescale 1ns / 1ps
|
|
|
|
module axi_ad7768 #(
|
|
parameter ID = 0,
|
|
parameter NUM_CHANNELS = 8
|
|
) (
|
|
|
|
input adc_dovf,
|
|
input clk_in,
|
|
input ready_in,
|
|
input [ 7:0] data_in,
|
|
input adc_sshot,
|
|
output adc_enable_0,
|
|
output adc_enable_1,
|
|
output adc_enable_2,
|
|
output adc_enable_3,
|
|
output adc_enable_4,
|
|
output adc_enable_5,
|
|
output adc_enable_6,
|
|
output adc_enable_7,
|
|
output adc_valid_0,
|
|
output adc_valid_1,
|
|
output adc_valid_2,
|
|
output adc_valid_3,
|
|
output adc_valid_4,
|
|
output adc_valid_5,
|
|
output adc_valid_6,
|
|
output adc_valid_7,
|
|
output [31:0] adc_data_0,
|
|
output [31:0] adc_data_1,
|
|
output [31:0] adc_data_2,
|
|
output [31:0] adc_data_3,
|
|
output [31:0] adc_data_4,
|
|
output [31:0] adc_data_5,
|
|
output [31:0] adc_data_6,
|
|
output [31:0] adc_data_7,
|
|
output [31:0] adc_data,
|
|
|
|
output adc_clk,
|
|
output adc_sync,
|
|
output adc_reset,
|
|
output adc_valid,
|
|
output [ 7:0] adc_crc_ch_mismatch,
|
|
|
|
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
|
|
);
|
|
|
|
// internal registers
|
|
|
|
reg [31:0] up_rdata = 'd0;
|
|
reg up_rack = 'd0;
|
|
reg up_wack = 'd0;
|
|
reg [31:0] up_rdata_r;
|
|
reg up_rack_r;
|
|
reg up_wack_r;
|
|
|
|
// internal signals
|
|
|
|
wire adc_rst_s;
|
|
wire up_rstn;
|
|
wire up_clk;
|
|
wire [13:0] up_waddr_s;
|
|
wire [13:0] up_raddr_s;
|
|
wire adc_clk_s;
|
|
wire up_wreq_s;
|
|
wire up_rreq_s;
|
|
wire [13:0] up_addr_s;
|
|
wire [31:0] up_wdata_s;
|
|
wire [31:0] up_rdata_s[0:8];
|
|
wire [8:0] up_rack_s;
|
|
wire [8:0] up_wack_s;
|
|
wire [7:0] adc_enable;
|
|
wire [4:0] adc_num_lanes;
|
|
wire adc_crc_enable;
|
|
wire [7:0] adc_status_header[0:7];
|
|
wire [7:0] adc_crc_err;
|
|
|
|
assign up_clk = s_axi_aclk;
|
|
assign up_rstn = s_axi_aresetn;
|
|
assign adc_clk = adc_clk_s;
|
|
assign adc_reset = adc_rst_s;
|
|
|
|
assign adc_enable_0 = adc_enable[0];
|
|
assign adc_enable_1 = adc_enable[1];
|
|
assign adc_enable_2 = adc_enable[2];
|
|
assign adc_enable_3 = adc_enable[3];
|
|
assign adc_enable_4 = adc_enable[4];
|
|
assign adc_enable_5 = adc_enable[5];
|
|
assign adc_enable_6 = adc_enable[6];
|
|
assign adc_enable_7 = adc_enable[7];
|
|
assign adc_valid_0 = adc_valid;
|
|
assign adc_valid_1 = adc_valid;
|
|
assign adc_valid_2 = adc_valid;
|
|
assign adc_valid_3 = adc_valid;
|
|
assign adc_valid_4 = adc_valid;
|
|
assign adc_valid_5 = adc_valid;
|
|
assign adc_valid_6 = adc_valid;
|
|
assign adc_valid_7 = adc_valid;
|
|
assign adc_crc_ch_mismatch = adc_crc_err;
|
|
|
|
integer j;
|
|
|
|
always @(*) begin
|
|
up_rdata_r = 'h00;
|
|
up_rack_r = 'h00;
|
|
up_wack_r = 'h00;
|
|
for (j = 0; j <= 8; j=j+1) begin
|
|
up_rack_r = up_rack_r | up_rack_s[j];
|
|
up_wack_r = up_wack_r | up_wack_s[j];
|
|
up_rdata_r = up_rdata_r | up_rdata_s[j];
|
|
end
|
|
end
|
|
|
|
always @(negedge up_rstn or posedge up_clk) begin
|
|
if (up_rstn == 0) begin
|
|
up_rdata <= 'd0;
|
|
up_rack <= 'd0;
|
|
up_wack <= 'd0;
|
|
end else begin
|
|
up_rdata <= up_rdata_r;
|
|
up_rack <= up_rack_r;
|
|
up_wack <= up_wack_r;
|
|
end
|
|
end
|
|
|
|
// adc channels
|
|
|
|
generate
|
|
genvar i;
|
|
for (i = 0; i < NUM_CHANNELS; i=i+1) begin : ad7768_channels
|
|
up_adc_channel #(
|
|
.CHANNEL_ID(i)
|
|
) i_up_adc_channel (
|
|
.adc_clk (adc_clk_s),
|
|
.adc_rst (adc_rst_s),
|
|
.adc_enable (adc_enable[i]),
|
|
.adc_iqcor_enb (),
|
|
.adc_dcfilt_enb (),
|
|
.adc_dfmt_se (),
|
|
.adc_dfmt_type (),
|
|
.adc_dfmt_enable (),
|
|
.adc_dcfilt_offset (),
|
|
.adc_dcfilt_coeff (),
|
|
.adc_iqcor_coeff_1 (),
|
|
.adc_iqcor_coeff_2 (),
|
|
.adc_pnseq_sel (),
|
|
.adc_data_sel (),
|
|
.adc_pn_err (1'b0),
|
|
.adc_pn_oos (1'b0),
|
|
.adc_or (1'b0),
|
|
.adc_read_data ('d0),
|
|
.adc_status_header(adc_status_header[i]),
|
|
.adc_crc_err(adc_crc_err[i]),
|
|
.up_adc_pn_err (),
|
|
.up_adc_pn_oos (),
|
|
.up_adc_or (),
|
|
.up_usr_datatype_be (),
|
|
.up_usr_datatype_signed (),
|
|
.up_usr_datatype_shift (),
|
|
.up_usr_datatype_total_bits (),
|
|
.up_usr_datatype_bits (),
|
|
.up_usr_decimation_m (),
|
|
.up_usr_decimation_n (),
|
|
.adc_usr_datatype_be (1'b0),
|
|
.adc_usr_datatype_signed (1'b1),
|
|
.adc_usr_datatype_shift (8'd0),
|
|
.adc_usr_datatype_total_bits (8'd32),
|
|
.adc_usr_datatype_bits (8'd32),
|
|
.adc_usr_decimation_m (16'd1),
|
|
.adc_usr_decimation_n (16'd1),
|
|
.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[i]),
|
|
.up_rreq (up_rreq_s),
|
|
.up_raddr (up_raddr_s),
|
|
.up_rdata (up_rdata_s[i]),
|
|
.up_rack (up_rack_s[i]));
|
|
end
|
|
endgenerate
|
|
|
|
// adc interface
|
|
|
|
axi_ad7768_if #(
|
|
.NUM_CHANNELS(NUM_CHANNELS)
|
|
) i_ad7768_if (
|
|
.clk_in (clk_in),
|
|
.ready_in (ready_in),
|
|
.data_in (data_in),
|
|
.adc_clk (adc_clk_s),
|
|
.adc_valid (adc_valid),
|
|
.adc_data (adc_data),
|
|
.adc_sshot(adc_sshot),
|
|
.adc_format(adc_num_lanes),
|
|
.adc_crc_enable(adc_crc_enable),
|
|
.adc_sync(adc_sync),
|
|
.adc_data_0 (adc_data_0),
|
|
.adc_data_1 (adc_data_1),
|
|
.adc_data_2 (adc_data_2),
|
|
.adc_data_3 (adc_data_3),
|
|
.adc_data_4 (adc_data_4),
|
|
.adc_data_5 (adc_data_5),
|
|
.adc_data_6 (adc_data_6),
|
|
.adc_data_7 (adc_data_7),
|
|
.adc_crc_ch_mismatch(adc_crc_err),
|
|
.adc_status_0(adc_status_header[0]),
|
|
.adc_status_1(adc_status_header[1]),
|
|
.adc_status_2(adc_status_header[2]),
|
|
.adc_status_3(adc_status_header[3]),
|
|
.adc_status_4(adc_status_header[4]),
|
|
.adc_status_5(adc_status_header[5]),
|
|
.adc_status_6(adc_status_header[6]),
|
|
.adc_status_7(adc_status_header[7]));
|
|
|
|
// adc up common
|
|
|
|
up_adc_common #(
|
|
.ID(ID)
|
|
) i_up_adc_common (
|
|
.mmcm_rst (),
|
|
.adc_clk (adc_clk_s),
|
|
.adc_rst (adc_rst_s),
|
|
.adc_r1_mode (),
|
|
.adc_ddr_edgesel (),
|
|
.adc_pin_mode (),
|
|
.adc_status ('h00),
|
|
.adc_sync_status (1'b1),
|
|
.adc_status_ovf (adc_dovf),
|
|
.adc_clk_ratio (32'd1),
|
|
.adc_start_code (),
|
|
.adc_sref_sync (),
|
|
.adc_sync (),
|
|
.adc_ext_sync_arm(),
|
|
.adc_ext_sync_disarm(),
|
|
.adc_ext_sync_manual_req(),
|
|
.adc_custom_control(),
|
|
.adc_sdr_ddr_n(),
|
|
.adc_symb_op(),
|
|
.adc_symb_8_16b(),
|
|
.adc_num_lanes(adc_num_lanes),
|
|
.adc_crc_enable(adc_crc_enable),
|
|
.up_pps_rcounter (32'b0),
|
|
.up_pps_status (1'b0),
|
|
.up_pps_irq_mask (),
|
|
.up_adc_ce (),
|
|
.up_status_pn_err (1'b0),
|
|
.up_status_pn_oos (1'b0),
|
|
.up_status_or (1'b0),
|
|
.up_adc_r1_mode(),
|
|
.up_drp_sel (),
|
|
.up_drp_wr (),
|
|
.up_drp_addr (),
|
|
.up_drp_wdata (),
|
|
.up_drp_rdata (32'd0),
|
|
.up_drp_ready (1'd0),
|
|
.up_drp_locked (1'd1),
|
|
.adc_config_wr (),
|
|
.adc_config_ctrl (),
|
|
.adc_config_rd ('d0),
|
|
.adc_ctrl_status ('d0),
|
|
.up_usr_chanmax_out (),
|
|
.up_usr_chanmax_in (NUM_CHANNELS),
|
|
.up_adc_gpio_in (32'b0),
|
|
.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[NUM_CHANNELS]),
|
|
.up_rreq (up_rreq_s),
|
|
.up_raddr (up_raddr_s),
|
|
.up_rdata (up_rdata_s[NUM_CHANNELS]),
|
|
.up_rack (up_rack_s[NUM_CHANNELS]));
|
|
|
|
// up bus interface
|
|
|
|
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
|