///////////////////////////////////////////////////////////////////// // // Copyright 2018 Ettus Research, A National Instruments Company // // SPDX-License-Identifier: LGPL-3.0 // // Module: e320_core // Description: // - Motherboard Registers // - DRAM Interconnect // - Radio Front End control // - Timekeeper // - RFNoC Image Core // ///////////////////////////////////////////////////////////////////// `default_nettype none module e320_core #( parameter REG_DWIDTH = 32, // Width of the AXI4-Lite data bus (must be 32 or 64) parameter REG_AWIDTH = 32, // Width of the address bus parameter BUS_CLK_RATE = 200000000, // bus_clk rate parameter NUM_RADIOS = 1, parameter NUM_CHANNELS = 2, parameter NUM_DBOARDS = 1, parameter NUM_CHANNELS_PER_DBOARD = 2, parameter FP_GPIO_WIDTH = 8, // Front panel GPIO width parameter DB_GPIO_WIDTH = 16, // Daughterboard GPIO width parameter CHDR_WIDTH = 16'd64 , parameter RFNOC_PROTOVER = {8'd1, 8'd0} )( // Clocks and resets input wire radio_clk, input wire radio_rst, input wire bus_clk, input wire bus_rst, input wire ddr3_dma_clk, input wire clk40, // Motherboard Registers: AXI lite interface input wire s_axi_aclk, input wire s_axi_aresetn, input wire [REG_AWIDTH-1:0] s_axi_awaddr, input wire s_axi_awvalid, output wire s_axi_awready, input wire [REG_DWIDTH-1:0] s_axi_wdata, input wire [REG_DWIDTH/8-1:0] s_axi_wstrb, input wire s_axi_wvalid, output wire s_axi_wready, output wire [1:0] s_axi_bresp, output wire s_axi_bvalid, input wire s_axi_bready, input wire [REG_AWIDTH-1:0] s_axi_araddr, input wire s_axi_arvalid, output wire s_axi_arready, output wire [REG_DWIDTH-1:0] s_axi_rdata, output wire [1:0] s_axi_rresp, output wire s_axi_rvalid, input wire s_axi_rready, // PPS and Clock Control input wire pps_refclk, input wire refclk_locked, output reg [1:0] pps_select, output reg ref_select, // PS GPIO source input wire [FP_GPIO_WIDTH-1:0] ps_gpio_out, input wire [FP_GPIO_WIDTH-1:0] ps_gpio_tri, output wire [FP_GPIO_WIDTH-1:0] ps_gpio_in, // Front Panel GPIO input wire [FP_GPIO_WIDTH-1:0] fp_gpio_in, output wire [FP_GPIO_WIDTH-1:0] fp_gpio_tri, output wire [FP_GPIO_WIDTH-1:0] fp_gpio_out, // Radio GPIO control output wire [DB_GPIO_WIDTH*NUM_CHANNELS-1:0] db_gpio_out_flat, output wire [DB_GPIO_WIDTH*NUM_CHANNELS-1:0] db_gpio_ddr_flat, input wire [DB_GPIO_WIDTH*NUM_CHANNELS-1:0] db_gpio_in_flat, input wire [DB_GPIO_WIDTH*NUM_CHANNELS-1:0] db_gpio_fab_flat, // TX/RX LEDs output wire [32*NUM_CHANNELS-1:0] leds_flat, // Radio ATR output wire [NUM_CHANNELS-1:0] rx_atr, output wire [NUM_CHANNELS-1:0] tx_atr, // Radio Data input wire [NUM_CHANNELS-1:0] rx_stb, input wire [NUM_CHANNELS-1:0] tx_stb, input wire [32*NUM_CHANNELS-1:0] rx, output wire [32*NUM_CHANNELS-1:0] tx, // AXI4 DDR3 Interface input wire ddr3_axi_clk, input wire ddr3_axi_rst, input wire ddr3_running, // Write Address Ports output wire [3:0] ddr3_axi_awid, output wire [31:0] ddr3_axi_awaddr, output wire [7:0] ddr3_axi_awlen, output wire [2:0] ddr3_axi_awsize, output wire [1:0] ddr3_axi_awburst, output wire [0:0] ddr3_axi_awlock, output wire [3:0] ddr3_axi_awcache, output wire [2:0] ddr3_axi_awprot, output wire [3:0] ddr3_axi_awqos, output wire ddr3_axi_awvalid, input wire ddr3_axi_awready, // Write Data Ports output wire [255:0] ddr3_axi_wdata, output wire [31:0] ddr3_axi_wstrb, output wire ddr3_axi_wlast, output wire ddr3_axi_wvalid, input wire ddr3_axi_wready, // Write Response Ports output wire ddr3_axi_bready, input wire [3:0] ddr3_axi_bid, input wire [1:0] ddr3_axi_bresp, input wire ddr3_axi_bvalid, // Read Address Ports output wire [3:0] ddr3_axi_arid, output wire [31:0] ddr3_axi_araddr, output wire [7:0] ddr3_axi_arlen, output wire [2:0] ddr3_axi_arsize, output wire [1:0] ddr3_axi_arburst, output wire [0:0] ddr3_axi_arlock, output wire [3:0] ddr3_axi_arcache, output wire [2:0] ddr3_axi_arprot, output wire [3:0] ddr3_axi_arqos, output wire ddr3_axi_arvalid, input wire ddr3_axi_arready, // Read Data Ports output wire ddr3_axi_rready, input wire [3:0] ddr3_axi_rid, input wire [255:0] ddr3_axi_rdata, input wire [1:0] ddr3_axi_rresp, input wire ddr3_axi_rlast, input wire ddr3_axi_rvalid, // DMA xport adapter to PS input wire [63:0] s_dma_tdata, input wire s_dma_tlast, output wire s_dma_tready, input wire s_dma_tvalid, output wire [63:0] m_dma_tdata, output wire m_dma_tlast, input wire m_dma_tready, output wire m_dma_tvalid, // e2v (Ethernet to Vita) and v2e (Vita to Ethernet) output wire [63:0] v2e_tdata, output wire v2e_tvalid, output wire v2e_tlast, input wire v2e_tready, input wire [63:0] e2v_tdata, input wire e2v_tlast, input wire e2v_tvalid, output wire e2v_tready, // Misc input wire [31:0] build_datestamp, input wire [31:0] sfp_ports_info, input wire [31:0] gps_status, output reg [31:0] gps_ctrl, input wire [31:0] dboard_status, input wire [31:0] xadc_readback, output reg [31:0] fp_gpio_ctrl, output reg [31:0] dboard_ctrl, output reg [15:0] device_id ); `include "../../lib/rfnoc/core/ctrlport.vh" ///////////////////////////////////////////////////////////////////////////////// // // FPGA Compatibility Number // Rules for modifying compat number: // - Major is updated when the FPGA is changed and requires a software // change as a result. // - Minor is updated when a new feature is added to the FPGA that does not // break software compatibility. // ///////////////////////////////////////////////////////////////////////////////// localparam [15:0] COMPAT_MAJOR = 16'd6; localparam [15:0] COMPAT_MINOR = 16'd0; ///////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////// // // Motherboard Registers // ///////////////////////////////////////////////////////////////////////////////// // Register base localparam [CTRLPORT_ADDR_W-1:0] REG_BASE_MISC = 20'h0; localparam [CTRLPORT_ADDR_W-1:0] REG_BASE_TIMEKEEPER = 20'h1000; // Register region sizes. Give each register region a 256-byte window. localparam REG_GLOB_ADDR_W = 8; localparam REG_TIMEKEEPER_ADDR_W = 8; // Misc Registers localparam REG_COMPAT_NUM = REG_BASE_MISC + 14'h00; localparam REG_DATESTAMP = REG_BASE_MISC + 14'h04; localparam REG_GIT_HASH = REG_BASE_MISC + 14'h08; localparam REG_SCRATCH = REG_BASE_MISC + 14'h0C; localparam REG_DEVICE_ID = REG_BASE_MISC + 14'h10; localparam REG_RFNOC_INFO = REG_BASE_MISC + 14'h14; localparam REG_CLOCK_CTRL = REG_BASE_MISC + 14'h18; localparam REG_XADC_READBACK = REG_BASE_MISC + 14'h1C; localparam REG_BUS_CLK_RATE = REG_BASE_MISC + 14'h20; localparam REG_BUS_CLK_COUNT = REG_BASE_MISC + 14'h24; localparam REG_SFP_PORT_INFO = REG_BASE_MISC + 14'h28; localparam REG_FP_GPIO_CTRL = REG_BASE_MISC + 14'h2C; localparam REG_FP_GPIO_MASTER = REG_BASE_MISC + 14'h30; localparam REG_FP_GPIO_RADIO_SRC = REG_BASE_MISC + 14'h34; localparam REG_GPS_CTRL = REG_BASE_MISC + 14'h38; localparam REG_GPS_STATUS = REG_BASE_MISC + 14'h3C; localparam REG_DBOARD_CTRL = REG_BASE_MISC + 14'h40; localparam REG_DBOARD_STATUS = REG_BASE_MISC + 14'h44; localparam REG_NUM_TIMEKEEPERS = REG_BASE_MISC + 14'h48; localparam NUM_TIMEKEEPERS = 1; wire m_ctrlport_req_wr; wire m_ctrlport_req_rd; wire [19:0] m_ctrlport_req_addr; wire [31:0] m_ctrlport_req_data; wire m_ctrlport_req_has_time; wire [63:0] m_ctrlport_req_time; wire m_ctrlport_resp_ack; wire [31:0] m_ctrlport_resp_data; reg [31:0] fp_gpio_master_reg = 32'h0; reg [31:0] fp_gpio_src_reg = 32'h0; reg [31:0] scratch_reg = 32'h0; reg [31:0] bus_counter = 32'h0; always @(posedge bus_clk) begin if (bus_rst) bus_counter <= 32'd0; else bus_counter <= bus_counter + 32'd1; end ///////////////////////////////////////////////////////////////////////////// // // Bus Bridge // ///////////////////////////////////////////////////////////////////////////// // We need a really long timeout for CtrlPort transactions, since the // radio_clk for the timekeeper might be really slow compared to s_axi_aclk. localparam CTRLPORT_TIMEOUT = 20; wire cp_req_wr_aclk; wire cp_req_rd_aclk; wire [CTRLPORT_ADDR_W-1:0] cp_req_addr_aclk; wire [CTRLPORT_DATA_W-1:0] cp_req_data_aclk; wire cp_resp_ack_aclk; wire [ CTRLPORT_STS_W-1:0] cp_resp_status_aclk; wire [CTRLPORT_DATA_W-1:0] cp_resp_data_aclk; // Convert the AXI4-Lite transactions to CtrlPort axil_ctrlport_master #( .TIMEOUT (CTRLPORT_TIMEOUT), .AXI_AWIDTH (REG_AWIDTH), .CTRLPORT_AWIDTH (CTRLPORT_ADDR_W) ) axil_ctrlport_master_i ( .s_axi_aclk (s_axi_aclk), .s_axi_aresetn (s_axi_aresetn), .s_axi_awaddr (s_axi_awaddr), .s_axi_awvalid (s_axi_awvalid), .s_axi_awready (s_axi_awready), .s_axi_wdata (s_axi_wdata), .s_axi_wstrb (s_axi_wstrb), .s_axi_wvalid (s_axi_wvalid), .s_axi_wready (s_axi_wready), .s_axi_bresp (s_axi_bresp), .s_axi_bvalid (s_axi_bvalid), .s_axi_bready (s_axi_bready), .s_axi_araddr (s_axi_araddr), .s_axi_arvalid (s_axi_arvalid), .s_axi_arready (s_axi_arready), .s_axi_rdata (s_axi_rdata), .s_axi_rresp (s_axi_rresp), .s_axi_rvalid (s_axi_rvalid), .s_axi_rready (s_axi_rready), .m_ctrlport_req_wr (cp_req_wr_aclk), .m_ctrlport_req_rd (cp_req_rd_aclk), .m_ctrlport_req_addr (cp_req_addr_aclk), .m_ctrlport_req_portid (), .m_ctrlport_req_rem_epid (), .m_ctrlport_req_rem_portid (), .m_ctrlport_req_data (cp_req_data_aclk), .m_ctrlport_req_byte_en (), .m_ctrlport_req_has_time (), .m_ctrlport_req_time (), .m_ctrlport_resp_ack (cp_resp_ack_aclk), .m_ctrlport_resp_status (cp_resp_status_aclk), .m_ctrlport_resp_data (cp_resp_data_aclk) ); wire cp_req_wr; wire cp_req_rd; wire [CTRLPORT_ADDR_W-1:0] cp_req_addr; wire [CTRLPORT_DATA_W-1:0] cp_req_data; wire cp_resp_ack; wire [ CTRLPORT_STS_W-1:0] cp_resp_status; wire [CTRLPORT_DATA_W-1:0] cp_resp_data; // Cross transactions from s_axi_clk to bus_clk domain ctrlport_clk_cross ctrlport_clk_cross_i ( .rst (~s_axi_aresetn), .s_ctrlport_clk (s_axi_aclk), .s_ctrlport_req_wr (cp_req_wr_aclk), .s_ctrlport_req_rd (cp_req_rd_aclk), .s_ctrlport_req_addr (cp_req_addr_aclk), .s_ctrlport_req_portid ({CTRLPORT_PORTID_W{1'b0}}), .s_ctrlport_req_rem_epid ({CTRLPORT_REM_EPID_W{1'b0}}), .s_ctrlport_req_rem_portid ({CTRLPORT_PORTID_W{1'b0}}), .s_ctrlport_req_data (cp_req_data_aclk), .s_ctrlport_req_byte_en ({CTRLPORT_BYTE_EN_W{1'b1}}), .s_ctrlport_req_has_time (1'b0), .s_ctrlport_req_time ({CTRLPORT_TIME_W{1'b0}}), .s_ctrlport_resp_ack (cp_resp_ack_aclk), .s_ctrlport_resp_status (cp_resp_status_aclk), .s_ctrlport_resp_data (cp_resp_data_aclk), .m_ctrlport_clk (bus_clk), .m_ctrlport_req_wr (cp_req_wr), .m_ctrlport_req_rd (cp_req_rd), .m_ctrlport_req_addr (cp_req_addr), .m_ctrlport_req_portid (), .m_ctrlport_req_rem_epid (), .m_ctrlport_req_rem_portid (), .m_ctrlport_req_data (cp_req_data), .m_ctrlport_req_byte_en (), .m_ctrlport_req_has_time (), .m_ctrlport_req_time (), .m_ctrlport_resp_ack (cp_resp_ack), .m_ctrlport_resp_status (cp_resp_status), .m_ctrlport_resp_data (cp_resp_data) ); wire cp_glob_req_wr; wire cp_glob_req_rd; wire [CTRLPORT_ADDR_W-1:0] cp_glob_req_addr; wire [CTRLPORT_DATA_W-1:0] cp_glob_req_data; reg cp_glob_resp_ack = 1'b0; reg [CTRLPORT_DATA_W-1:0] cp_glob_resp_data = 1'bX; wire cp_tk_req_wr; wire cp_tk_req_rd; wire [CTRLPORT_ADDR_W-1:0] cp_tk_req_addr; wire [CTRLPORT_DATA_W-1:0] cp_tk_req_data; wire cp_tk_resp_ack; wire [CTRLPORT_DATA_W-1:0] cp_tk_resp_data; // Split the CtrlPort for the global registers and the timekeeper registers ctrlport_decoder_param #( .NUM_SLAVES (2), .PORT_BASE ({ REG_BASE_TIMEKEEPER, REG_BASE_MISC }), .PORT_ADDR_W ({ REG_TIMEKEEPER_ADDR_W, REG_GLOB_ADDR_W }) ) ctrlport_decoder_param_i ( .ctrlport_clk (bus_clk), .ctrlport_rst (bus_rst), .s_ctrlport_req_wr (cp_req_wr), .s_ctrlport_req_rd (cp_req_rd), .s_ctrlport_req_addr (cp_req_addr), .s_ctrlport_req_data (cp_req_data), .s_ctrlport_req_byte_en ({CTRLPORT_BYTE_EN_W{1'b1}}), .s_ctrlport_req_has_time (1'b0), .s_ctrlport_req_time ({CTRLPORT_TIME_W{1'b0}}), .s_ctrlport_resp_ack (cp_resp_ack), .s_ctrlport_resp_status (cp_resp_status), .s_ctrlport_resp_data (cp_resp_data), .m_ctrlport_req_wr ({ cp_tk_req_wr, cp_glob_req_wr }), .m_ctrlport_req_rd ({ cp_tk_req_rd, cp_glob_req_rd }), .m_ctrlport_req_addr ({ cp_tk_req_addr, cp_glob_req_addr }), .m_ctrlport_req_data ({ cp_tk_req_data, cp_glob_req_data }), .m_ctrlport_req_byte_en (), .m_ctrlport_req_has_time (), .m_ctrlport_req_time (), .m_ctrlport_resp_ack ({ cp_tk_resp_ack, cp_glob_resp_ack }), .m_ctrlport_resp_status ({2{CTRL_STS_OKAY}}), .m_ctrlport_resp_data ({ cp_tk_resp_data, cp_glob_resp_data }) ); ///////////////////////////////////////////////////////////////////////////// // // Global Registers // ///////////////////////////////////////////////////////////////////////////// // Write Registers always @ (posedge bus_clk) begin if (bus_rst) begin scratch_reg <= 32'h0; pps_select <= 2'b01; // Default to internal ref_select <= 1'b0; // Default to internal fp_gpio_ctrl <= 32'h9; // Default to OFF - 4'b1001 gps_ctrl <= 32'h3; // Default to gps_en, out of reset dboard_ctrl <= 32'h1; // Default to mimo device_id <= 16'h0; cp_glob_resp_ack <= 1'b0; cp_glob_resp_data <= 'bX; end begin cp_glob_resp_ack <= 1'b0; if (cp_glob_req_wr) begin cp_glob_resp_ack <= 1'b1; case (cp_glob_req_addr[REG_GLOB_ADDR_W-1:0]) REG_DEVICE_ID: device_id <= cp_glob_req_data[15:0]; REG_FP_GPIO_MASTER: fp_gpio_master_reg <= cp_glob_req_data; REG_FP_GPIO_RADIO_SRC: fp_gpio_src_reg <= cp_glob_req_data; REG_SCRATCH: scratch_reg <= cp_glob_req_data; REG_CLOCK_CTRL: begin cp_glob_resp_data <= 32'b0; pps_select <= cp_glob_req_data[1:0]; ref_select <= cp_glob_req_data[2]; end REG_FP_GPIO_CTRL: fp_gpio_ctrl <= cp_glob_req_data; REG_GPS_CTRL: gps_ctrl <= cp_glob_req_data; REG_DBOARD_CTRL: dboard_ctrl <= cp_glob_req_data; default: begin // Don't acknowledge if the address doesn't match cp_glob_resp_ack <= 1'b0; end endcase end if (cp_glob_req_rd) begin cp_glob_resp_data <= 0; // Unused bits will read 0 cp_glob_resp_ack <= 1'b1; case (cp_glob_req_addr[REG_GLOB_ADDR_W-1:0]) REG_DEVICE_ID: cp_glob_resp_data <= { 16'd0, device_id }; REG_RFNOC_INFO: cp_glob_resp_data <= {CHDR_WIDTH[15:0], RFNOC_PROTOVER[15:0]}; REG_COMPAT_NUM: cp_glob_resp_data <= {COMPAT_MAJOR[15:0], COMPAT_MINOR[15:0]}; REG_FP_GPIO_CTRL: cp_glob_resp_data <= fp_gpio_ctrl; REG_FP_GPIO_MASTER: cp_glob_resp_data <= fp_gpio_master_reg; REG_FP_GPIO_RADIO_SRC: cp_glob_resp_data <= fp_gpio_src_reg; REG_DATESTAMP: cp_glob_resp_data <= build_datestamp; REG_GIT_HASH: `ifndef GIT_HASH `define GIT_HASH 32'h0BADC0DE `endif cp_glob_resp_data <= `GIT_HASH; REG_SCRATCH: cp_glob_resp_data <= scratch_reg; REG_CLOCK_CTRL: begin cp_glob_resp_data <= 32'b0; cp_glob_resp_data[1:0] <= pps_select; cp_glob_resp_data[2] <= ref_select; cp_glob_resp_data[3] <= refclk_locked; end REG_XADC_READBACK: cp_glob_resp_data <= xadc_readback; REG_BUS_CLK_RATE: cp_glob_resp_data <= BUS_CLK_RATE; REG_BUS_CLK_COUNT: cp_glob_resp_data <= bus_counter; REG_SFP_PORT_INFO: cp_glob_resp_data <= sfp_ports_info; REG_GPS_CTRL: cp_glob_resp_data <= gps_ctrl; REG_GPS_STATUS: cp_glob_resp_data <= gps_status; REG_DBOARD_CTRL: cp_glob_resp_data <= dboard_ctrl; REG_DBOARD_STATUS: cp_glob_resp_data <= dboard_status; REG_NUM_TIMEKEEPERS: cp_glob_resp_data <= NUM_TIMEKEEPERS; default: begin // Don't acknowledge if the address doesn't match cp_glob_resp_ack <= 1'b0; end endcase end end end wire pps_radioclk; // Synchronize the PPS signal to the radio clock domain synchronizer pps_radio_sync ( .clk(radio_clk), .rst(1'b0), .in(pps_refclk), .out(pps_radioclk) ); ///////////////////////////////////////////////////////////////////////////// // // DRAM // ///////////////////////////////////////////////////////////////////////////// localparam NUM_DRAM_FIFOS = 2; wire ddr3_dma_rst; synchronizer #( .INITIAL_VAL(1'b1) ) ddr3_dma_rst_sync_i ( .clk(ddr3_dma_clk), .rst(1'b0), .in(ddr3_axi_rst), .out(ddr3_dma_rst) ); // AXI4 MM buses wire [0:0] dram_axi_awid [0:NUM_DRAM_FIFOS-1]; wire [30:0] dram_axi_awaddr [0:NUM_DRAM_FIFOS-1]; wire [7:0] dram_axi_awlen [0:NUM_DRAM_FIFOS-1]; wire [2:0] dram_axi_awsize [0:NUM_DRAM_FIFOS-1]; wire [1:0] dram_axi_awburst [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_awlock [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_awcache [0:NUM_DRAM_FIFOS-1]; wire [2:0] dram_axi_awprot [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_awqos [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_awregion [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_awuser [0:NUM_DRAM_FIFOS-1]; wire dram_axi_awvalid [0:NUM_DRAM_FIFOS-1]; wire dram_axi_awready [0:NUM_DRAM_FIFOS-1]; wire [63:0] dram_axi_wdata [0:NUM_DRAM_FIFOS-1]; wire [7:0] dram_axi_wstrb [0:NUM_DRAM_FIFOS-1]; wire dram_axi_wlast [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_wuser [0:NUM_DRAM_FIFOS-1]; wire dram_axi_wvalid [0:NUM_DRAM_FIFOS-1]; wire dram_axi_wready [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_bid [0:NUM_DRAM_FIFOS-1]; wire [1:0] dram_axi_bresp [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_buser [0:NUM_DRAM_FIFOS-1]; wire dram_axi_bvalid [0:NUM_DRAM_FIFOS-1]; wire dram_axi_bready [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_arid [0:NUM_DRAM_FIFOS-1]; wire [30:0] dram_axi_araddr [0:NUM_DRAM_FIFOS-1]; wire [7:0] dram_axi_arlen [0:NUM_DRAM_FIFOS-1]; wire [2:0] dram_axi_arsize [0:NUM_DRAM_FIFOS-1]; wire [1:0] dram_axi_arburst [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_arlock [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_arcache [0:NUM_DRAM_FIFOS-1]; wire [2:0] dram_axi_arprot [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_arqos [0:NUM_DRAM_FIFOS-1]; wire [3:0] dram_axi_arregion [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_aruser [0:NUM_DRAM_FIFOS-1]; wire dram_axi_arvalid [0:NUM_DRAM_FIFOS-1]; wire dram_axi_arready [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_rid [0:NUM_DRAM_FIFOS-1]; wire [63:0] dram_axi_rdata [0:NUM_DRAM_FIFOS-1]; wire [1:0] dram_axi_rresp [0:NUM_DRAM_FIFOS-1]; wire dram_axi_rlast [0:NUM_DRAM_FIFOS-1]; wire [0:0] dram_axi_ruser [0:NUM_DRAM_FIFOS-1]; wire dram_axi_rvalid [0:NUM_DRAM_FIFOS-1]; wire dram_axi_rready [0:NUM_DRAM_FIFOS-1]; axi_intercon_4x64_256_bd_wrapper axi_intercon_2x64_256_bd_i ( .S00_AXI_ACLK (ddr3_dma_clk ), .S00_AXI_ARESETN (~ddr3_dma_rst ), .S00_AXI_AWID (dram_axi_awid [0]), .S00_AXI_AWADDR ({1'b0, dram_axi_awaddr[0]}), .S00_AXI_AWLEN (dram_axi_awlen [0]), .S00_AXI_AWSIZE (dram_axi_awsize [0]), .S00_AXI_AWBURST (dram_axi_awburst [0]), .S00_AXI_AWLOCK (dram_axi_awlock [0]), .S00_AXI_AWCACHE (dram_axi_awcache [0]), .S00_AXI_AWPROT (dram_axi_awprot [0]), .S00_AXI_AWQOS (dram_axi_awqos [0]), .S00_AXI_AWREGION (dram_axi_awregion[0]), .S00_AXI_AWVALID (dram_axi_awvalid [0]), .S00_AXI_AWREADY (dram_axi_awready [0]), .S00_AXI_WDATA (dram_axi_wdata [0]), .S00_AXI_WSTRB (dram_axi_wstrb [0]), .S00_AXI_WLAST (dram_axi_wlast [0]), .S00_AXI_WVALID (dram_axi_wvalid [0]), .S00_AXI_WREADY (dram_axi_wready [0]), .S00_AXI_BID (dram_axi_bid [0]), .S00_AXI_BRESP (dram_axi_bresp [0]), .S00_AXI_BVALID (dram_axi_bvalid [0]), .S00_AXI_BREADY (dram_axi_bready [0]), .S00_AXI_ARID (dram_axi_arid [0]), .S00_AXI_ARADDR ({1'b0, dram_axi_araddr[0]}), .S00_AXI_ARLEN (dram_axi_arlen [0]), .S00_AXI_ARSIZE (dram_axi_arsize [0]), .S00_AXI_ARBURST (dram_axi_arburst [0]), .S00_AXI_ARLOCK (dram_axi_arlock [0]), .S00_AXI_ARCACHE (dram_axi_arcache [0]), .S00_AXI_ARPROT (dram_axi_arprot [0]), .S00_AXI_ARQOS (dram_axi_arqos [0]), .S00_AXI_ARREGION (dram_axi_arregion[0]), .S00_AXI_ARVALID (dram_axi_arvalid [0]), .S00_AXI_ARREADY (dram_axi_arready [0]), .S00_AXI_RID (dram_axi_rid [0]), .S00_AXI_RDATA (dram_axi_rdata [0]), .S00_AXI_RRESP (dram_axi_rresp [0]), .S00_AXI_RLAST (dram_axi_rlast [0]), .S00_AXI_RVALID (dram_axi_rvalid [0]), .S00_AXI_RREADY (dram_axi_rready [0]), // .S01_AXI_ACLK (ddr3_dma_clk ), .S01_AXI_ARESETN (~ddr3_dma_rst ), .S01_AXI_AWID (dram_axi_awid [1]), .S01_AXI_AWADDR ({1'b0, dram_axi_awaddr[1]}), .S01_AXI_AWLEN (dram_axi_awlen [1]), .S01_AXI_AWSIZE (dram_axi_awsize [1]), .S01_AXI_AWBURST (dram_axi_awburst [1]), .S01_AXI_AWLOCK (dram_axi_awlock [1]), .S01_AXI_AWCACHE (dram_axi_awcache [1]), .S01_AXI_AWPROT (dram_axi_awprot [1]), .S01_AXI_AWQOS (dram_axi_awqos [1]), .S01_AXI_AWREGION (dram_axi_awregion[1]), .S01_AXI_AWVALID (dram_axi_awvalid [1]), .S01_AXI_AWREADY (dram_axi_awready [1]), .S01_AXI_WDATA (dram_axi_wdata [1]), .S01_AXI_WSTRB (dram_axi_wstrb [1]), .S01_AXI_WLAST (dram_axi_wlast [1]), .S01_AXI_WVALID (dram_axi_wvalid [1]), .S01_AXI_WREADY (dram_axi_wready [1]), .S01_AXI_BID (dram_axi_bid [1]), .S01_AXI_BRESP (dram_axi_bresp [1]), .S01_AXI_BVALID (dram_axi_bvalid [1]), .S01_AXI_BREADY (dram_axi_bready [1]), .S01_AXI_ARID (dram_axi_arid [1]), .S01_AXI_ARADDR ({1'b0, dram_axi_araddr[1]}), .S01_AXI_ARLEN (dram_axi_arlen [1]), .S01_AXI_ARSIZE (dram_axi_arsize [1]), .S01_AXI_ARBURST (dram_axi_arburst [1]), .S01_AXI_ARLOCK (dram_axi_arlock [1]), .S01_AXI_ARCACHE (dram_axi_arcache [1]), .S01_AXI_ARPROT (dram_axi_arprot [1]), .S01_AXI_ARQOS (dram_axi_arqos [1]), .S01_AXI_ARREGION (dram_axi_arregion[1]), .S01_AXI_ARVALID (dram_axi_arvalid [1]), .S01_AXI_ARREADY (dram_axi_arready [1]), .S01_AXI_RID (dram_axi_rid [1]), .S01_AXI_RDATA (dram_axi_rdata [1]), .S01_AXI_RRESP (dram_axi_rresp [1]), .S01_AXI_RLAST (dram_axi_rlast [1]), .S01_AXI_RVALID (dram_axi_rvalid [1]), .S01_AXI_RREADY (dram_axi_rready [1]), // .S02_AXI_ACLK (ddr3_dma_clk ), .S02_AXI_ARESETN (~ddr3_dma_rst ), .S02_AXI_AWID (dram_axi_awid [2]), .S02_AXI_AWADDR ({1'b0, dram_axi_awaddr[2]}), .S02_AXI_AWLEN (dram_axi_awlen [2]), .S02_AXI_AWSIZE (dram_axi_awsize [2]), .S02_AXI_AWBURST (dram_axi_awburst [2]), .S02_AXI_AWLOCK (dram_axi_awlock [2]), .S02_AXI_AWCACHE (dram_axi_awcache [2]), .S02_AXI_AWPROT (dram_axi_awprot [2]), .S02_AXI_AWQOS (dram_axi_awqos [2]), .S02_AXI_AWREGION (dram_axi_awregion[2]), .S02_AXI_AWVALID (dram_axi_awvalid [2]), .S02_AXI_AWREADY (dram_axi_awready [2]), .S02_AXI_WDATA (dram_axi_wdata [2]), .S02_AXI_WSTRB (dram_axi_wstrb [2]), .S02_AXI_WLAST (dram_axi_wlast [2]), .S02_AXI_WVALID (dram_axi_wvalid [2]), .S02_AXI_WREADY (dram_axi_wready [2]), .S02_AXI_BID (dram_axi_bid [2]), .S02_AXI_BRESP (dram_axi_bresp [2]), .S02_AXI_BVALID (dram_axi_bvalid [2]), .S02_AXI_BREADY (dram_axi_bready [2]), .S02_AXI_ARID (dram_axi_arid [2]), .S02_AXI_ARADDR ({1'b0, dram_axi_araddr[2]}), .S02_AXI_ARLEN (dram_axi_arlen [2]), .S02_AXI_ARSIZE (dram_axi_arsize [2]), .S02_AXI_ARBURST (dram_axi_arburst [2]), .S02_AXI_ARLOCK (dram_axi_arlock [2]), .S02_AXI_ARCACHE (dram_axi_arcache [2]), .S02_AXI_ARPROT (dram_axi_arprot [2]), .S02_AXI_ARQOS (dram_axi_arqos [2]), .S02_AXI_ARREGION (dram_axi_arregion[2]), .S02_AXI_ARVALID (dram_axi_arvalid [2]), .S02_AXI_ARREADY (dram_axi_arready [2]), .S02_AXI_RID (dram_axi_rid [2]), .S02_AXI_RDATA (dram_axi_rdata [2]), .S02_AXI_RRESP (dram_axi_rresp [2]), .S02_AXI_RLAST (dram_axi_rlast [2]), .S02_AXI_RVALID (dram_axi_rvalid [2]), .S02_AXI_RREADY (dram_axi_rready [2]), // .S03_AXI_ACLK (ddr3_dma_clk ), .S03_AXI_ARESETN (~ddr3_dma_rst ), .S03_AXI_AWID (dram_axi_awid [3]), .S03_AXI_AWADDR ({1'b0, dram_axi_awaddr[3]}), .S03_AXI_AWLEN (dram_axi_awlen [3]), .S03_AXI_AWSIZE (dram_axi_awsize [3]), .S03_AXI_AWBURST (dram_axi_awburst [3]), .S03_AXI_AWLOCK (dram_axi_awlock [3]), .S03_AXI_AWCACHE (dram_axi_awcache [3]), .S03_AXI_AWPROT (dram_axi_awprot [3]), .S03_AXI_AWQOS (dram_axi_awqos [3]), .S03_AXI_AWREGION (dram_axi_awregion[3]), .S03_AXI_AWVALID (dram_axi_awvalid [3]), .S03_AXI_AWREADY (dram_axi_awready [3]), .S03_AXI_WDATA (dram_axi_wdata [3]), .S03_AXI_WSTRB (dram_axi_wstrb [3]), .S03_AXI_WLAST (dram_axi_wlast [3]), .S03_AXI_WVALID (dram_axi_wvalid [3]), .S03_AXI_WREADY (dram_axi_wready [3]), .S03_AXI_BID (dram_axi_bid [3]), .S03_AXI_BRESP (dram_axi_bresp [3]), .S03_AXI_BVALID (dram_axi_bvalid [3]), .S03_AXI_BREADY (dram_axi_bready [3]), .S03_AXI_ARID (dram_axi_arid [3]), .S03_AXI_ARADDR ({1'b0, dram_axi_araddr[3]}), .S03_AXI_ARLEN (dram_axi_arlen [3]), .S03_AXI_ARSIZE (dram_axi_arsize [3]), .S03_AXI_ARBURST (dram_axi_arburst [3]), .S03_AXI_ARLOCK (dram_axi_arlock [3]), .S03_AXI_ARCACHE (dram_axi_arcache [3]), .S03_AXI_ARPROT (dram_axi_arprot [3]), .S03_AXI_ARQOS (dram_axi_arqos [3]), .S03_AXI_ARREGION (dram_axi_arregion[3]), .S03_AXI_ARVALID (dram_axi_arvalid [3]), .S03_AXI_ARREADY (dram_axi_arready [3]), .S03_AXI_RID (dram_axi_rid [3]), .S03_AXI_RDATA (dram_axi_rdata [3]), .S03_AXI_RRESP (dram_axi_rresp [3]), .S03_AXI_RLAST (dram_axi_rlast [3]), .S03_AXI_RVALID (dram_axi_rvalid [3]), .S03_AXI_RREADY (dram_axi_rready [3]), // .M00_AXI_ACLK (ddr3_axi_clk ), .M00_AXI_ARESETN (~ddr3_axi_rst ), .M00_AXI_AWID (ddr3_axi_awid ), .M00_AXI_AWADDR (ddr3_axi_awaddr ), .M00_AXI_AWLEN (ddr3_axi_awlen ), .M00_AXI_AWSIZE (ddr3_axi_awsize ), .M00_AXI_AWBURST (ddr3_axi_awburst ), .M00_AXI_AWLOCK (ddr3_axi_awlock ), .M00_AXI_AWCACHE (ddr3_axi_awcache ), .M00_AXI_AWPROT (ddr3_axi_awprot ), .M00_AXI_AWQOS (ddr3_axi_awqos ), .M00_AXI_AWREGION ( ), .M00_AXI_AWVALID (ddr3_axi_awvalid ), .M00_AXI_AWREADY (ddr3_axi_awready ), .M00_AXI_WDATA (ddr3_axi_wdata ), .M00_AXI_WSTRB (ddr3_axi_wstrb ), .M00_AXI_WLAST (ddr3_axi_wlast ), .M00_AXI_WVALID (ddr3_axi_wvalid ), .M00_AXI_WREADY (ddr3_axi_wready ), .M00_AXI_BID (ddr3_axi_bid ), .M00_AXI_BRESP (ddr3_axi_bresp ), .M00_AXI_BVALID (ddr3_axi_bvalid ), .M00_AXI_BREADY (ddr3_axi_bready ), .M00_AXI_ARID (ddr3_axi_arid ), .M00_AXI_ARADDR (ddr3_axi_araddr ), .M00_AXI_ARLEN (ddr3_axi_arlen ), .M00_AXI_ARSIZE (ddr3_axi_arsize ), .M00_AXI_ARBURST (ddr3_axi_arburst ), .M00_AXI_ARLOCK (ddr3_axi_arlock ), .M00_AXI_ARCACHE (ddr3_axi_arcache ), .M00_AXI_ARPROT (ddr3_axi_arprot ), .M00_AXI_ARQOS (ddr3_axi_arqos ), .M00_AXI_ARREGION ( ), .M00_AXI_ARVALID (ddr3_axi_arvalid ), .M00_AXI_ARREADY (ddr3_axi_arready ), .M00_AXI_RID (ddr3_axi_rid ), .M00_AXI_RDATA (ddr3_axi_rdata ), .M00_AXI_RRESP (ddr3_axi_rresp ), .M00_AXI_RLAST (ddr3_axi_rlast ), .M00_AXI_RVALID (ddr3_axi_rvalid ), .M00_AXI_RREADY (ddr3_axi_rready ) ); ///////////////////////////////////////////////////////////////////////////// // // Radio Daughter board and Front End Control // ///////////////////////////////////////////////////////////////////////////// // Radio Daughter board GPIO wire [DB_GPIO_WIDTH-1:0] db_gpio_in[0:NUM_CHANNELS-1]; wire [DB_GPIO_WIDTH-1:0] db_gpio_out[0:NUM_CHANNELS-1]; wire [DB_GPIO_WIDTH-1:0] db_gpio_ddr[0:NUM_CHANNELS-1]; wire [DB_GPIO_WIDTH-1:0] db_gpio_fab[0:NUM_CHANNELS-1]; wire [31:0] radio_gpio_out[0:NUM_CHANNELS-1]; wire [31:0] radio_gpio_ddr[0:NUM_CHANNELS-1]; wire [31:0] radio_gpio_in[0:NUM_CHANNELS-1]; wire [31:0] leds[0:NUM_CHANNELS-1]; // Daughter board I/O wire rx_running[0:NUM_CHANNELS-1], tx_running[0:NUM_CHANNELS-1]; wire [31:0] rx_int[0:NUM_CHANNELS-1], rx_data[0:NUM_CHANNELS-1], tx_int[0:NUM_CHANNELS-1], tx_data[0:NUM_CHANNELS-1]; //wire rx_stb[0:NUM_CHANNELS-1], tx_stb[0:NUM_CHANNELS-1]; wire db_fe_set_stb[0:NUM_CHANNELS-1]; wire [7:0] db_fe_set_addr[0:NUM_CHANNELS-1]; wire [31:0] db_fe_set_data[0:NUM_CHANNELS-1]; wire db_fe_rb_stb[0:NUM_CHANNELS-1]; wire [7:0] db_fe_rb_addr[0:NUM_CHANNELS-1]; wire [63:0] db_fe_rb_data[0:NUM_CHANNELS-1]; wire [NUM_RADIOS-1:0] sync_out; genvar i; generate for (i = 0; i < NUM_CHANNELS; i = i + 1) begin assign rx_atr[i] = rx_running[i]; assign tx_atr[i] = tx_running[i]; end endgenerate //------------------------------------ // Daughterboard Control // ----------------------------------- localparam [7:0] SR_DB_BASE = 8'd160; localparam [7:0] RB_DB_BASE = 8'd16; generate for (i = 0; i < NUM_CHANNELS; i = i + 1) begin: gen_db_control db_control #( .USE_SPI_CLK(0), .SR_BASE(SR_DB_BASE), .RB_BASE(RB_DB_BASE) ) db_control_i ( .clk(radio_clk), .reset(radio_rst), .set_stb(db_fe_set_stb[i]), .set_addr(db_fe_set_addr[i]), .set_data(db_fe_set_data[i]), .rb_stb(db_fe_rb_stb[i]), .rb_addr(db_fe_rb_addr[i]), .rb_data(db_fe_rb_data[i]), .run_rx(rx_running[i]), .run_tx(tx_running[i]), .misc_ins(32'h0), .misc_outs(), .fp_gpio_in(radio_gpio_in[i]), .fp_gpio_out(radio_gpio_out[i]), .fp_gpio_ddr(radio_gpio_ddr[i]), .fp_gpio_fab(32'h0), .db_gpio_in(db_gpio_in[i]), .db_gpio_out(db_gpio_out[i]), .db_gpio_ddr(db_gpio_ddr[i]), .db_gpio_fab(), .leds(leds[i]), .spi_clk(1'b0), .spi_rst(1'b0), .sen(), .sclk(), .mosi(), .miso(1'b0) ); end endgenerate generate for (i = 0; i < NUM_CHANNELS; i = i + 1) begin: gen_gpio_control // Radio Data assign rx_data[i] = rx[32*i+31:32*i]; assign tx[32*i+31:32*i] = tx_data[i]; // GPIO assign db_gpio_out_flat[DB_GPIO_WIDTH*i +: DB_GPIO_WIDTH] = db_gpio_out[i]; assign db_gpio_ddr_flat[DB_GPIO_WIDTH*i +: DB_GPIO_WIDTH] = db_gpio_ddr[i]; assign db_gpio_in[i] = db_gpio_in_flat[DB_GPIO_WIDTH*i +: DB_GPIO_WIDTH]; assign db_gpio_fab[i] = db_gpio_fab_flat[DB_GPIO_WIDTH*i +: DB_GPIO_WIDTH]; // LEDs assign leds_flat[32*i+31:32*i] = leds[i]; end endgenerate ///////////////////////////////////////////////////////////////////////////// // // Front-panel GPIO // ///////////////////////////////////////////////////////////////////////////// wire [FP_GPIO_WIDTH-1:0] radio_gpio_in_sync; wire [FP_GPIO_WIDTH-1:0] radio_gpio_src_out; reg [FP_GPIO_WIDTH-1:0] radio_gpio_src_out_reg; wire [FP_GPIO_WIDTH-1:0] radio_gpio_src_ddr; reg [FP_GPIO_WIDTH-1:0] radio_gpio_src_ddr_reg = ~0; // Double-synchronize the inputs to the PS synchronizer #( .INITIAL_VAL(1'b0), .WIDTH(FP_GPIO_WIDTH) ) ps_gpio_in_sync_i ( .clk(bus_clk), .rst(1'b0), .in(fp_gpio_in), .out(ps_gpio_in) ); // Double-synchronize the inputs to the radio synchronizer #( .INITIAL_VAL(1'b0), .WIDTH(FP_GPIO_WIDTH) ) radio_gpio_in_sync_i ( .clk(radio_clk), .rst(1'b0), .in(fp_gpio_in), .out(radio_gpio_in_sync) ); // Map the double-synchronized inputs to all radio channels generate for (i=0; i