2015-06-26 09:04:19 +00:00
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|
|
|
|
// Copyright 2011(c) Analog Devices, Inc.
|
|
|
|
//
|
|
|
|
// All rights reserved.
|
|
|
|
//
|
|
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
|
|
|
// are permitted provided that the following conditions are met:
|
|
|
|
// - Redistributions of source code must retain the above copyright
|
|
|
|
// notice, this list of conditions and the following disclaimer.
|
|
|
|
// - Redistributions in binary form must reproduce the above copyright
|
|
|
|
// notice, this list of conditions and the following disclaimer in
|
|
|
|
// the documentation and/or other materials provided with the
|
|
|
|
// distribution.
|
|
|
|
// - Neither the name of Analog Devices, Inc. nor the names of its
|
|
|
|
// contributors may be used to endorse or promote products derived
|
|
|
|
// from this software without specific prior written permission.
|
|
|
|
// - The use of this software may or may not infringe the patent rights
|
|
|
|
// of one or more patent holders. This license does not release you
|
|
|
|
// from the requirement that you obtain separate licenses from these
|
|
|
|
// patent holders to use this software.
|
|
|
|
// - Use of the software either in source or binary form, must be run
|
|
|
|
// on or directly connected to an Analog Devices Inc. component.
|
|
|
|
//
|
|
|
|
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
|
|
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
|
|
|
|
// PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
|
|
//
|
|
|
|
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
|
|
|
|
// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
|
|
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|
|
|
|
|
|
|
|
`timescale 1ns/100ps
|
|
|
|
|
|
|
|
module axi_adcfifo (
|
|
|
|
|
|
|
|
// fifo interface
|
|
|
|
|
|
|
|
adc_rst,
|
|
|
|
adc_clk,
|
|
|
|
adc_wr,
|
|
|
|
adc_wdata,
|
|
|
|
adc_wovf,
|
|
|
|
|
|
|
|
// dma interface
|
|
|
|
|
|
|
|
dma_clk,
|
|
|
|
dma_wr,
|
|
|
|
dma_wdata,
|
|
|
|
dma_wready,
|
|
|
|
dma_xfer_req,
|
|
|
|
dma_xfer_status,
|
|
|
|
|
|
|
|
// axi interface
|
|
|
|
|
|
|
|
axi_clk,
|
|
|
|
axi_resetn,
|
|
|
|
axi_awvalid,
|
|
|
|
axi_awid,
|
|
|
|
axi_awburst,
|
|
|
|
axi_awlock,
|
|
|
|
axi_awcache,
|
|
|
|
axi_awprot,
|
|
|
|
axi_awqos,
|
|
|
|
axi_awuser,
|
|
|
|
axi_awlen,
|
|
|
|
axi_awsize,
|
|
|
|
axi_awaddr,
|
|
|
|
axi_awready,
|
|
|
|
axi_wvalid,
|
|
|
|
axi_wdata,
|
|
|
|
axi_wstrb,
|
|
|
|
axi_wlast,
|
|
|
|
axi_wuser,
|
|
|
|
axi_wready,
|
|
|
|
axi_bvalid,
|
|
|
|
axi_bid,
|
|
|
|
axi_bresp,
|
|
|
|
axi_buser,
|
|
|
|
axi_bready,
|
|
|
|
axi_arvalid,
|
|
|
|
axi_arid,
|
|
|
|
axi_arburst,
|
|
|
|
axi_arlock,
|
|
|
|
axi_arcache,
|
|
|
|
axi_arprot,
|
|
|
|
axi_arqos,
|
|
|
|
axi_aruser,
|
|
|
|
axi_arlen,
|
|
|
|
axi_arsize,
|
|
|
|
axi_araddr,
|
|
|
|
axi_arready,
|
|
|
|
axi_rvalid,
|
|
|
|
axi_rid,
|
|
|
|
axi_ruser,
|
|
|
|
axi_rresp,
|
|
|
|
axi_rlast,
|
|
|
|
axi_rdata,
|
|
|
|
axi_rready);
|
|
|
|
|
|
|
|
// parameters
|
|
|
|
|
|
|
|
parameter ADC_DATA_WIDTH = 128;
|
|
|
|
parameter DMA_DATA_WIDTH = 64;
|
|
|
|
parameter AXI_DATA_WIDTH = 512;
|
|
|
|
parameter DMA_READY_ENABLE = 1;
|
|
|
|
parameter AXI_SIZE = 2;
|
|
|
|
parameter AXI_LENGTH = 16;
|
|
|
|
parameter AXI_ADDRESS = 32'h00000000;
|
2015-08-19 11:11:47 +00:00
|
|
|
parameter AXI_ADDRESS_LIMIT = 32'hffffffff;
|
2015-06-26 09:04:19 +00:00
|
|
|
parameter AXI_BYTE_WIDTH = AXI_DATA_WIDTH/8;
|
|
|
|
|
|
|
|
// adc interface
|
|
|
|
|
|
|
|
input adc_rst;
|
|
|
|
input adc_clk;
|
|
|
|
input adc_wr;
|
|
|
|
input [ADC_DATA_WIDTH-1:0] adc_wdata;
|
|
|
|
output adc_wovf;
|
|
|
|
|
|
|
|
// dma interface
|
|
|
|
|
|
|
|
input dma_clk;
|
|
|
|
output dma_wr;
|
|
|
|
output [DMA_DATA_WIDTH-1:0] dma_wdata;
|
|
|
|
input dma_wready;
|
|
|
|
input dma_xfer_req;
|
|
|
|
output [ 3:0] dma_xfer_status;
|
|
|
|
|
|
|
|
// axi interface
|
|
|
|
|
|
|
|
input axi_clk;
|
|
|
|
input axi_resetn;
|
|
|
|
output axi_awvalid;
|
|
|
|
output [ 3:0] axi_awid;
|
|
|
|
output [ 1:0] axi_awburst;
|
|
|
|
output axi_awlock;
|
|
|
|
output [ 3:0] axi_awcache;
|
|
|
|
output [ 2:0] axi_awprot;
|
|
|
|
output [ 3:0] axi_awqos;
|
|
|
|
output [ 3:0] axi_awuser;
|
|
|
|
output [ 7:0] axi_awlen;
|
|
|
|
output [ 2:0] axi_awsize;
|
|
|
|
output [ 31:0] axi_awaddr;
|
|
|
|
input axi_awready;
|
|
|
|
output axi_wvalid;
|
|
|
|
output [AXI_DATA_WIDTH-1:0] axi_wdata;
|
|
|
|
output [AXI_BYTE_WIDTH-1:0] axi_wstrb;
|
|
|
|
output axi_wlast;
|
|
|
|
output [ 3:0] axi_wuser;
|
|
|
|
input axi_wready;
|
|
|
|
input axi_bvalid;
|
|
|
|
input [ 3:0] axi_bid;
|
|
|
|
input [ 1:0] axi_bresp;
|
|
|
|
input [ 3:0] axi_buser;
|
|
|
|
output axi_bready;
|
|
|
|
output axi_arvalid;
|
|
|
|
output [ 3:0] axi_arid;
|
|
|
|
output [ 1:0] axi_arburst;
|
|
|
|
output axi_arlock;
|
|
|
|
output [ 3:0] axi_arcache;
|
|
|
|
output [ 2:0] axi_arprot;
|
|
|
|
output [ 3:0] axi_arqos;
|
|
|
|
output [ 3:0] axi_aruser;
|
|
|
|
output [ 7:0] axi_arlen;
|
|
|
|
output [ 2:0] axi_arsize;
|
|
|
|
output [ 31:0] axi_araddr;
|
|
|
|
input axi_arready;
|
|
|
|
input axi_rvalid;
|
|
|
|
input [ 3:0] axi_rid;
|
|
|
|
input [ 3:0] axi_ruser;
|
|
|
|
input [ 1:0] axi_rresp;
|
|
|
|
input axi_rlast;
|
|
|
|
input [AXI_DATA_WIDTH-1:0] axi_rdata;
|
|
|
|
output axi_rready;
|
|
|
|
|
|
|
|
// internal signals
|
|
|
|
|
|
|
|
wire adc_dwr_s;
|
|
|
|
wire [AXI_DATA_WIDTH-1:0] adc_ddata_s;
|
|
|
|
wire axi_rd_req_s;
|
|
|
|
wire [ 31:0] axi_rd_addr_s;
|
|
|
|
wire [ 3:0] axi_xfer_status_s;
|
|
|
|
wire axi_drst_s;
|
|
|
|
wire axi_dvalid_s;
|
|
|
|
wire [AXI_DATA_WIDTH-1:0] axi_ddata_s;
|
|
|
|
wire axi_dready_s;
|
|
|
|
|
|
|
|
// instantiations
|
|
|
|
|
|
|
|
axi_adcfifo_adc #(
|
|
|
|
.AXI_DATA_WIDTH (AXI_DATA_WIDTH),
|
|
|
|
.ADC_DATA_WIDTH (ADC_DATA_WIDTH))
|
|
|
|
i_adc_if (
|
|
|
|
.adc_rst (adc_rst),
|
|
|
|
.adc_clk (adc_clk),
|
|
|
|
.adc_wr (adc_wr),
|
|
|
|
.adc_wdata (adc_wdata),
|
|
|
|
.adc_wovf (adc_wovf),
|
|
|
|
.adc_dwr (adc_dwr_s),
|
|
|
|
.adc_ddata (adc_ddata_s),
|
|
|
|
.axi_drst (axi_drst_s),
|
|
|
|
.axi_clk (axi_clk),
|
|
|
|
.axi_xfer_status (axi_xfer_status_s));
|
|
|
|
|
|
|
|
axi_adcfifo_wr #(
|
|
|
|
.AXI_DATA_WIDTH (AXI_DATA_WIDTH),
|
|
|
|
.AXI_SIZE (AXI_SIZE),
|
|
|
|
.AXI_LENGTH (AXI_LENGTH),
|
|
|
|
.AXI_ADDRESS (AXI_ADDRESS),
|
2015-08-19 11:11:47 +00:00
|
|
|
.AXI_ADDRESS_LIMIT (AXI_ADDRESS_LIMIT))
|
2015-06-26 09:04:19 +00:00
|
|
|
i_wr (
|
|
|
|
.dma_xfer_req (dma_xfer_req),
|
|
|
|
.axi_rd_req (axi_rd_req_s),
|
|
|
|
.axi_rd_addr (axi_rd_addr_s),
|
|
|
|
.adc_rst (adc_rst),
|
|
|
|
.adc_clk (adc_clk),
|
|
|
|
.adc_wr (adc_dwr_s),
|
|
|
|
.adc_wdata (adc_ddata_s),
|
|
|
|
.axi_clk (axi_clk),
|
|
|
|
.axi_resetn (axi_resetn),
|
|
|
|
.axi_awvalid (axi_awvalid),
|
|
|
|
.axi_awid (axi_awid),
|
|
|
|
.axi_awburst (axi_awburst),
|
|
|
|
.axi_awlock (axi_awlock),
|
|
|
|
.axi_awcache (axi_awcache),
|
|
|
|
.axi_awprot (axi_awprot),
|
|
|
|
.axi_awqos (axi_awqos),
|
|
|
|
.axi_awuser (axi_awuser),
|
|
|
|
.axi_awlen (axi_awlen),
|
|
|
|
.axi_awsize (axi_awsize),
|
|
|
|
.axi_awaddr (axi_awaddr),
|
|
|
|
.axi_awready (axi_awready),
|
|
|
|
.axi_wvalid (axi_wvalid),
|
|
|
|
.axi_wdata (axi_wdata),
|
|
|
|
.axi_wstrb (axi_wstrb),
|
|
|
|
.axi_wlast (axi_wlast),
|
|
|
|
.axi_wuser (axi_wuser),
|
|
|
|
.axi_wready (axi_wready),
|
|
|
|
.axi_bvalid (axi_bvalid),
|
|
|
|
.axi_bid (axi_bid),
|
|
|
|
.axi_bresp (axi_bresp),
|
|
|
|
.axi_buser (axi_buser),
|
|
|
|
.axi_bready (axi_bready),
|
|
|
|
.axi_dwovf (axi_xfer_status_s[0]),
|
|
|
|
.axi_dwunf (axi_xfer_status_s[1]),
|
|
|
|
.axi_werror (axi_xfer_status_s[2]));
|
|
|
|
|
|
|
|
axi_adcfifo_rd #(
|
|
|
|
.AXI_DATA_WIDTH (AXI_DATA_WIDTH),
|
|
|
|
.AXI_SIZE (AXI_SIZE),
|
|
|
|
.AXI_LENGTH (AXI_LENGTH),
|
|
|
|
.AXI_ADDRESS (AXI_ADDRESS),
|
2015-08-19 11:11:47 +00:00
|
|
|
.AXI_ADDRESS_LIMIT (AXI_ADDRESS_LIMIT))
|
2015-06-26 09:04:19 +00:00
|
|
|
i_rd (
|
|
|
|
.dma_xfer_req (dma_xfer_req),
|
|
|
|
.axi_rd_req (axi_rd_req_s),
|
|
|
|
.axi_rd_addr (axi_rd_addr_s),
|
|
|
|
.axi_clk (axi_clk),
|
|
|
|
.axi_resetn (axi_resetn),
|
|
|
|
.axi_arvalid (axi_arvalid),
|
|
|
|
.axi_arid (axi_arid),
|
|
|
|
.axi_arburst (axi_arburst),
|
|
|
|
.axi_arlock (axi_arlock),
|
|
|
|
.axi_arcache (axi_arcache),
|
|
|
|
.axi_arprot (axi_arprot),
|
|
|
|
.axi_arqos (axi_arqos),
|
|
|
|
.axi_aruser (axi_aruser),
|
|
|
|
.axi_arlen (axi_arlen),
|
|
|
|
.axi_arsize (axi_arsize),
|
|
|
|
.axi_araddr (axi_araddr),
|
|
|
|
.axi_arready (axi_arready),
|
|
|
|
.axi_rvalid (axi_rvalid),
|
|
|
|
.axi_rid (axi_rid),
|
|
|
|
.axi_ruser (axi_ruser),
|
|
|
|
.axi_rresp (axi_rresp),
|
|
|
|
.axi_rlast (axi_rlast),
|
|
|
|
.axi_rdata (axi_rdata),
|
|
|
|
.axi_rready (axi_rready),
|
|
|
|
.axi_rerror (axi_xfer_status_s[3]),
|
|
|
|
.axi_drst (axi_drst_s),
|
|
|
|
.axi_dvalid (axi_dvalid_s),
|
|
|
|
.axi_ddata (axi_ddata_s),
|
|
|
|
.axi_dready (axi_dready_s));
|
|
|
|
|
|
|
|
axi_adcfifo_dma #(
|
|
|
|
.AXI_DATA_WIDTH (AXI_DATA_WIDTH),
|
|
|
|
.DMA_DATA_WIDTH (DMA_DATA_WIDTH),
|
|
|
|
.DMA_READY_ENABLE (DMA_READY_ENABLE))
|
|
|
|
i_dma_if (
|
|
|
|
.axi_clk (axi_clk),
|
|
|
|
.axi_drst (axi_drst_s),
|
|
|
|
.axi_dvalid (axi_dvalid_s),
|
|
|
|
.axi_ddata (axi_ddata_s),
|
|
|
|
.axi_dready (axi_dready_s),
|
|
|
|
.axi_xfer_status (axi_xfer_status_s),
|
|
|
|
.dma_clk (dma_clk),
|
|
|
|
.dma_wr (dma_wr),
|
|
|
|
.dma_wdata (dma_wdata),
|
|
|
|
.dma_wready (dma_wready),
|
|
|
|
.dma_xfer_req (dma_xfer_req),
|
|
|
|
.dma_xfer_status (dma_xfer_status));
|
|
|
|
|
|
|
|
endmodule
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|