pluto_hdl_adi/library/axi_adrv9001/axi_adrv9001_tdd.v

273 lines
8.5 KiB
Verilog

// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2020 (c) 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_adrv9001_tdd #(
parameter ID = 0,
parameter ENABLED = 1,
parameter BASE_ADDRESS = 6'h20
) (
// clock
input clk,
input rst,
// control signals from the tdd control
output tdd_rx_vco_en,
output tdd_tx_vco_en,
output tdd_rx_rf_en,
output tdd_tx_rf_en,
// status signal
output tdd_enabled,
input [ 7:0] tdd_status,
// sync signal
input tdd_sync,
output reg tdd_sync_cntr,
// tx/rx data flow control
output reg tdd_tx_valid = 1'b1,
output reg tdd_rx_valid = 1'b1,
// bus interface
input up_rstn,
input up_clk,
input up_wreq,
input [13:0] up_waddr,
input [31:0] up_wdata,
output up_wack,
input up_rreq,
input [13:0] up_raddr,
output [31:0] up_rdata,
output up_rack
);
generate
if (ENABLED == 1) begin
// internal signals
wire tdd_enable_s;
wire tdd_secondary_s;
wire [ 7:0] tdd_burst_count_s;
wire tdd_rx_only_s;
wire tdd_tx_only_s;
wire tdd_gated_rx_dmapath_s;
wire tdd_gated_tx_dmapath_s;
wire [23:0] tdd_counter_init_s;
wire [23:0] tdd_frame_length_s;
wire tdd_terminal_type_s;
wire tdd_sync_enable_s;
wire [23:0] tdd_vco_rx_on_1_s;
wire [23:0] tdd_vco_rx_off_1_s;
wire [23:0] tdd_vco_tx_on_1_s;
wire [23:0] tdd_vco_tx_off_1_s;
wire [23:0] tdd_rx_on_1_s;
wire [23:0] tdd_rx_off_1_s;
wire [23:0] tdd_rx_dp_on_1_s;
wire [23:0] tdd_rx_dp_off_1_s;
wire [23:0] tdd_tx_on_1_s;
wire [23:0] tdd_tx_off_1_s;
wire [23:0] tdd_tx_dp_on_1_s;
wire [23:0] tdd_tx_dp_off_1_s;
wire [23:0] tdd_vco_rx_on_2_s;
wire [23:0] tdd_vco_rx_off_2_s;
wire [23:0] tdd_vco_tx_on_2_s;
wire [23:0] tdd_vco_tx_off_2_s;
wire [23:0] tdd_rx_on_2_s;
wire [23:0] tdd_rx_off_2_s;
wire [23:0] tdd_rx_dp_on_2_s;
wire [23:0] tdd_rx_dp_off_2_s;
wire [23:0] tdd_tx_on_2_s;
wire [23:0] tdd_tx_off_2_s;
wire [23:0] tdd_tx_dp_on_2_s;
wire [23:0] tdd_tx_dp_off_2_s;
wire [23:0] tdd_counter_status;
wire tdd_rx_dp_en_s;
wire tdd_tx_dp_en_s;
assign tdd_enabled = tdd_enable_s;
// syncronization control signal
always @(posedge clk) begin
if (tdd_enable_s == 1'b1) begin
tdd_sync_cntr <= ~tdd_terminal_type_s;
end else begin
tdd_sync_cntr <= 1'b0;
end
end
// tx/rx data flow control
always @(posedge clk) begin
if((tdd_enable_s == 1) && (tdd_gated_tx_dmapath_s == 1)) begin
tdd_tx_valid <= tdd_tx_dp_en_s;
end else begin
tdd_tx_valid <= 1'b1;
end
end
always @(posedge clk) begin
if((tdd_enable_s == 1) && (tdd_gated_tx_dmapath_s == 1)) begin
tdd_rx_valid <= tdd_rx_dp_en_s;
end else begin
tdd_rx_valid <= 1'b1;
end
end
// instantiations
up_tdd_cntrl #(
.BASE_ADDRESS (BASE_ADDRESS)
) i_up_tdd_cntrl(
.clk(clk),
.rst(rst),
.tdd_enable(tdd_enable_s),
.tdd_secondary(tdd_secondary_s),
.tdd_burst_count(tdd_burst_count_s),
.tdd_tx_only(tdd_tx_only_s),
.tdd_rx_only(tdd_rx_only_s),
.tdd_gated_rx_dmapath(tdd_gated_rx_dmapath_s),
.tdd_gated_tx_dmapath(tdd_gated_tx_dmapath_s),
.tdd_counter_init(tdd_counter_init_s),
.tdd_frame_length(tdd_frame_length_s),
.tdd_terminal_type(tdd_terminal_type_s),
.tdd_vco_rx_on_1(tdd_vco_rx_on_1_s),
.tdd_vco_rx_off_1(tdd_vco_rx_off_1_s),
.tdd_vco_tx_on_1(tdd_vco_tx_on_1_s),
.tdd_vco_tx_off_1(tdd_vco_tx_off_1_s),
.tdd_rx_on_1(tdd_rx_on_1_s),
.tdd_rx_off_1(tdd_rx_off_1_s),
.tdd_rx_dp_on_1(tdd_rx_dp_on_1_s),
.tdd_rx_dp_off_1(tdd_rx_dp_off_1_s),
.tdd_tx_on_1(tdd_tx_on_1_s),
.tdd_tx_off_1(tdd_tx_off_1_s),
.tdd_tx_dp_on_1(tdd_tx_dp_on_1_s),
.tdd_tx_dp_off_1(tdd_tx_dp_off_1_s),
.tdd_vco_rx_on_2(tdd_vco_rx_on_2_s),
.tdd_vco_rx_off_2(tdd_vco_rx_off_2_s),
.tdd_vco_tx_on_2(tdd_vco_tx_on_2_s),
.tdd_vco_tx_off_2(tdd_vco_tx_off_2_s),
.tdd_rx_on_2(tdd_rx_on_2_s),
.tdd_rx_off_2(tdd_rx_off_2_s),
.tdd_rx_dp_on_2(tdd_rx_dp_on_2_s),
.tdd_rx_dp_off_2(tdd_rx_dp_off_2_s),
.tdd_tx_on_2(tdd_tx_on_2_s),
.tdd_tx_off_2(tdd_tx_off_2_s),
.tdd_tx_dp_on_2(tdd_tx_dp_on_2_s),
.tdd_tx_dp_off_2(tdd_tx_dp_off_2_s),
.tdd_status(tdd_status),
.up_rstn(up_rstn),
.up_clk(up_clk),
.up_wreq(up_wreq),
.up_waddr(up_waddr),
.up_wdata(up_wdata),
.up_wack(up_wack),
.up_rreq(up_rreq),
.up_raddr(up_raddr),
.up_rdata(up_rdata),
.up_rack(up_rack));
// the TX_DATA_PATH_DELAY and CONTROL_PATH_DELAY are specificly defined
// for the axi_adrv9001 core
ad_tdd_control #(
.TX_DATA_PATH_DELAY(),
.CONTROL_PATH_DELAY()
) i_tdd_control(
.clk(clk),
.rst(rst),
.tdd_enable(tdd_enable_s),
.tdd_secondary(tdd_secondary_s),
.tdd_counter_init(tdd_counter_init_s),
.tdd_frame_length(tdd_frame_length_s),
.tdd_burst_count(tdd_burst_count_s),
.tdd_rx_only(tdd_rx_only_s),
.tdd_tx_only(tdd_tx_only_s),
.tdd_sync (tdd_sync),
.tdd_vco_rx_on_1(tdd_vco_rx_on_1_s),
.tdd_vco_rx_off_1(tdd_vco_rx_off_1_s),
.tdd_vco_tx_on_1(tdd_vco_tx_on_1_s),
.tdd_vco_tx_off_1(tdd_vco_tx_off_1_s),
.tdd_rx_on_1(tdd_rx_on_1_s),
.tdd_rx_off_1(tdd_rx_off_1_s),
.tdd_rx_dp_on_1(tdd_rx_dp_on_1_s),
.tdd_rx_dp_off_1(tdd_rx_dp_off_1_s),
.tdd_tx_on_1(tdd_tx_on_1_s),
.tdd_tx_off_1(tdd_tx_off_1_s),
.tdd_tx_dp_on_1(tdd_tx_dp_on_1_s),
.tdd_tx_dp_off_1(tdd_tx_dp_off_1_s),
.tdd_vco_rx_on_2(tdd_vco_rx_on_2_s),
.tdd_vco_rx_off_2(tdd_vco_rx_off_2_s),
.tdd_vco_tx_on_2(tdd_vco_tx_on_2_s),
.tdd_vco_tx_off_2(tdd_vco_tx_off_2_s),
.tdd_rx_on_2(tdd_rx_on_2_s),
.tdd_rx_off_2(tdd_rx_off_2_s),
.tdd_rx_dp_on_2(tdd_rx_dp_on_2_s),
.tdd_rx_dp_off_2(tdd_rx_dp_off_2_s),
.tdd_tx_on_2(tdd_tx_on_2_s),
.tdd_tx_off_2(tdd_tx_off_2_s),
.tdd_tx_dp_on_2(tdd_tx_dp_on_2_s),
.tdd_tx_dp_off_2(tdd_tx_dp_off_2_s),
.tdd_rx_dp_en(tdd_rx_dp_en_s),
.tdd_tx_dp_en(tdd_tx_dp_en_s),
.tdd_rx_vco_en(tdd_rx_vco_en),
.tdd_tx_vco_en(tdd_tx_vco_en),
.tdd_rx_rf_en(tdd_rx_rf_en),
.tdd_tx_rf_en(tdd_tx_rf_en),
.tdd_counter_status(tdd_counter_status));
end else begin
assign up_wack = 1'b0;
assign up_rack = 1'b0;
assign up_rdata = 32'h0;
assign tdd_rx_rf_en = 1'b1;
assign tdd_tx_rf_en = 1'b1;
assign tdd_enabled = 1'b0;
end
endgenerate
endmodule