// *************************************************************************** // *************************************************************************** // 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; parameter AXI_ADDRESS_LIMIT = 32'hffffffff; // 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_DATA_WIDTH/8)-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), .AXI_ADDRESS_LIMIT (AXI_ADDRESS_LIMIT)) 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), .AXI_ADDRESS_LIMIT (AXI_ADDRESS_LIMIT)) 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 // *************************************************************************** // ***************************************************************************