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-rw-r--r--fpga/usrp3/lib/radio_200/radio_legacy.v496
1 files changed, 496 insertions, 0 deletions
diff --git a/fpga/usrp3/lib/radio_200/radio_legacy.v b/fpga/usrp3/lib/radio_200/radio_legacy.v
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+//
+// Copyright 2013 Ettus Research LLC
+// Copyright 2018 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+//
+
+
+// radio top level module for b200
+// Contains all clock-rate DSP components, all radio and hardware controls and settings
+
+module radio_legacy
+ #(
+ parameter RADIO_FIFO_SIZE = 13,
+ parameter SAMPLE_FIFO_SIZE = 11,
+ parameter FP_GPIO = 0,
+ parameter NEW_HB_INTERP = 0,
+ parameter NEW_HB_DECIM = 0,
+ parameter SOURCE_FLOW_CONTROL = 0,
+ parameter USER_SETTINGS = 0,
+ parameter DEVICE = "SPARTAN6"
+ )
+ (input radio_clk, input radio_rst,
+ input [31:0] rx, output reg [31:0] tx,
+ input [31:0] fe_gpio_in, output [31:0] fe_gpio_out, output [31:0] fe_gpio_ddr,
+ input [9:0] fp_gpio_in, output [9:0] fp_gpio_out, output [9:0] fp_gpio_ddr,
+ input pps, input time_sync,
+ input bus_clk, input bus_rst,
+ input [63:0] tx_tdata, input tx_tlast, input tx_tvalid, output tx_tready,
+ output [63:0] rx_tdata, output rx_tlast, output rx_tvalid, input rx_tready,
+ input [63:0] ctrl_tdata, input ctrl_tlast, input ctrl_tvalid, output ctrl_tready,
+ output [63:0] resp_tdata, output resp_tlast, output resp_tvalid, input resp_tready,
+
+ output reg [63:0] vita_time_b,
+
+ output [63:0] debug
+ );
+
+
+ // ///////////////////////////////////////////////////////////////////////////////
+ // FIFO Interfacing to the bus clk domain
+ // in_tdata splits to tx_tdata and ctrl_tdata
+ // rx_tdata and resp_tdata get muxed to out_tdata
+ // Everything except rx flow control must cross in to radio_clk domain before further use
+ // _b signifies bus_clk domain, _r signifies radio_clk domain
+
+ wire [63:0] ctrl_tdata_r;
+ wire ctrl_tready_r, ctrl_tvalid_r;
+ wire ctrl_tlast_r;
+
+ wire [63:0] resp_tdata_r;
+ wire resp_tready_r, resp_tvalid_r;
+ wire resp_tlast_r;
+
+ wire [63:0] rx_tdata_r;
+ wire rx_tready_r, rx_tvalid_r;
+ wire rx_tlast_r;
+
+ wire [63:0] rx_err_tdata_r;
+ wire rx_err_tready_r, rx_err_tvalid_r;
+ wire rx_err_tlast_r;
+
+ wire [63:0] rx_prefc_tdata_r;
+ wire rx_prefc_tready_r, rx_prefc_tvalid_r;
+ wire rx_prefc_tlast_r;
+
+ wire [63:0] rx_postfc_tdata_r;
+ wire rx_postfc_tready_r, rx_postfc_tvalid_r;
+ wire rx_postfc_tlast_r;
+
+ wire [63:0] tx_tdata_r;
+ wire tx_tready_r, tx_tvalid_r;
+ wire tx_tlast_r;
+
+ wire [63:0] txresp_tdata, txresp_tdata_r;
+ wire txresp_tready, txresp_tready_r, txresp_tvalid, txresp_tvalid_r;
+ wire txresp_tlast, txresp_tlast_r;
+
+ wire [63:0] rmux_tdata_r;
+ wire rmux_tlast_r, rmux_tvalid_r, rmux_tready_r;
+
+ wire [31:0] tx_idle;
+ wire [3:0] ibs_state;
+ wire [63:0] rx_tdata_int;
+ wire rx_tready_int, rx_tvalid_int;
+ wire rx_tlast_int;
+
+
+ axi_fifo_2clk #(.WIDTH(65), .SIZE(0/*minimal*/)) ctrl_fifo
+ (.reset(bus_rst),
+ .i_aclk(bus_clk), .i_tvalid(ctrl_tvalid), .i_tready(ctrl_tready), .i_tdata({ctrl_tlast, ctrl_tdata}),
+ .o_aclk(radio_clk), .o_tvalid(ctrl_tvalid_r), .o_tready(ctrl_tready_r), .o_tdata({ctrl_tlast_r, ctrl_tdata_r}));
+
+ axi_fifo_2clk #(.WIDTH(65), .SIZE(RADIO_FIFO_SIZE)) tx_fifo
+ (.reset(bus_rst),
+ .i_aclk(bus_clk), .i_tvalid(tx_tvalid), .i_tready(tx_tready), .i_tdata({tx_tlast, tx_tdata}),
+ .o_aclk(radio_clk), .o_tvalid(tx_tvalid_r), .o_tready(tx_tready_r), .o_tdata({tx_tlast_r, tx_tdata_r}));
+
+ axi_fifo_2clk #(.WIDTH(65), .SIZE(0/*minimal*/)) resp_fifo
+ (.reset(radio_rst),
+ .i_aclk(radio_clk), .i_tvalid(rmux_tvalid_r), .i_tready(rmux_tready_r), .i_tdata({rmux_tlast_r, rmux_tdata_r}),
+ .o_aclk(bus_clk), .o_tvalid(resp_tvalid), .o_tready(resp_tready), .o_tdata({resp_tlast, resp_tdata}));
+
+ axi_fifo_2clk #(.WIDTH(65), .SIZE(RADIO_FIFO_SIZE)) rx_fifo
+ (.reset(radio_rst),
+ .i_aclk(radio_clk), .i_tvalid(rx_tvalid_r), .i_tready(rx_tready_r), .i_tdata({rx_tlast_r, rx_tdata_r}),
+ .o_aclk(bus_clk), .o_tvalid(rx_tvalid_int), .o_tready(rx_tready_int), .o_tdata({rx_tlast_int, rx_tdata_int}));
+
+ axi_packet_gate #(.WIDTH(64), .SIZE(SAMPLE_FIFO_SIZE), .USE_AS_BUFF(0)) buffer_whole_pkt
+ (
+ .clk(bus_clk), .reset(bus_rst), .clear(1'b0),
+ .i_tdata(rx_tdata_int), .i_tlast(rx_tlast_int), .i_terror(1'b0), .i_tvalid(rx_tvalid_int), .i_tready(rx_tready_int),
+ .o_tdata(rx_tdata), .o_tlast(rx_tlast), .o_tvalid(rx_tvalid), .o_tready(rx_tready));
+
+ ///////////////////////////////////////////////////////////////////////////////////////
+ // Setting bus and controls
+
+ wire [63:0] ctrl_tdata_proc;
+ wire ctrl_tready_proc, ctrl_tvalid_proc;
+ wire ctrl_tlast_proc;
+
+ localparam SR_LOOPBACK = 8'd6;
+ localparam SR_SPI = 8'd8;
+ localparam SR_ATR = 8'd12; // thorugh 8'd18
+ localparam SR_TEST = 8'd21;
+ localparam SR_CODEC_IDLE = 8'd22;
+ localparam SR_READBACK = 8'd32;
+ localparam SR_TX_CTRL = 8'd64;
+ localparam SR_RX_CTRL = 8'd96;
+ localparam SR_TIME = 8'd128;
+ localparam SR_RX_FMT = 8'd136;
+ localparam SR_TX_FMT = 8'd138;
+ localparam SR_RX_DSP = 8'd144;
+ localparam SR_TX_DSP = 8'd184;
+ localparam SR_FP_GPIO = 8'd200; // thorugh 8'd206
+ localparam SR_USER_SR_BASE = 8'd253;
+ localparam SR_USER_RB_ADDR = 8'd255;
+
+ wire set_stb;
+ wire [7:0] set_addr;
+ wire [31:0] set_data;
+ wire [31:0] test_readback;
+ wire [9:0] fp_gpio_readback;
+ wire run_rx, run_tx;
+ wire rx_flow_ctrl_busy;
+
+ reg [63:0] rb_data;
+ wire [2:0] rb_addr;
+
+ wire [63:0] vita_time, vita_time_lastpps;
+ timekeeper #(.SR_TIME_HI(SR_TIME), .SR_TIME_LO(SR_TIME+1), .SR_TIME_CTRL(SR_TIME+2)) timekeeper
+ (.clk(radio_clk), .reset(radio_rst), .pps(pps), .sync_in(time_sync), .strobe(1'b1),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .vita_time(vita_time), .vita_time_lastpps(vita_time_lastpps),
+ .sync_out());
+
+ wire [31:0] debug_radio_ctrl_proc;
+ radio_ctrl_proc radio_ctrl_proc
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .ctrl_tdata(ctrl_tdata_proc), .ctrl_tlast(ctrl_tlast_proc), .ctrl_tvalid(ctrl_tvalid_proc), .ctrl_tready(ctrl_tready_proc),
+ .resp_tdata(resp_tdata_r), .resp_tlast(resp_tlast_r), .resp_tvalid(resp_tvalid_r), .resp_tready(resp_tready_r),
+ .vita_time(vita_time),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .ready(1'b1), .readback(rb_data),
+ .debug(debug_radio_ctrl_proc));
+
+ reg [63:0] rb_data_user;
+generate
+ if (USER_SETTINGS == 1) begin
+ wire set_stb_user;
+ wire [7:0] set_addr_user;
+ wire [31:0] set_data_user;
+ wire [7:0] rb_addr_user;
+
+ user_settings #(.BASE(SR_USER_SR_BASE)) user_settings
+ (.clk(radio_clk), .rst(radio_rst),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user));
+
+ setting_reg #(.my_addr(SR_USER_RB_ADDR), .awidth(8), .width(8)) user_rb_addr
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb), .addr(set_addr), .in(set_data),
+ .out(rb_addr_user), .changed());
+
+ // ----------------------------------
+ // Enter user settings registers here
+ // ----------------------------------
+
+ // Example code for 32-bit settings registers and 64-bit readback registers
+ //
+ // To test this, modify the *_core.v file for your specific USRP and set
+ // USER_SETTINGS=1 for the parameters for the radio_legacy instantiation.
+ //
+ // You can then use the get_user_settings_iface() like this:
+ //
+ // auto usrp = multi_usrp::make("type=b200,enable_user_regs");
+ // auto regs = usrp->get_user_settings_iface(0);
+ // regs->poke32(0, 0xCAFE);
+ // regs->poke32(4, 0xBEEF);
+ // std::cout << boost::format("0x%016X") % regs->peek64(0) << std::endl;
+ wire [31:0] user_reg_0_value, user_reg_1_value;
+
+ setting_reg #(.my_addr(8'd0), .awidth(8), .width(32)) user_reg_0
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb_user), .addr(set_addr_user), .in(set_data_user),
+ .out(user_reg_0_value), .changed());
+
+ setting_reg #(.my_addr(8'd1), .awidth(8), .width(32)) user_reg_1
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb_user), .addr(set_addr_user), .in(set_data_user),
+ .out(user_reg_1_value), .changed());
+
+ always @* begin
+ case(rb_addr_user)
+ 8'd0 : rb_data_user <= {user_reg_1_value, user_reg_0_value};
+ default : rb_data_user <= 64'd0;
+ endcase
+ end
+
+ end else begin //for USER_SETTINGS == 1
+ always @* rb_data_user <= 64'd0;
+ end
+endgenerate
+
+ always @*
+ case(rb_addr)
+ 3'd0 : rb_data <= { 32'b0, test_readback };
+ 3'd1 : rb_data <= vita_time;
+ 3'd2 : rb_data <= vita_time_lastpps;
+ 3'd3 : rb_data <= {tx, rx};
+ 3'd4 : rb_data <= {54'h0,fp_gpio_readback};
+ 3'd5 : rb_data <= {59'h0,rx_flow_ctrl_busy,ibs_state[3:0]}; // Monitor state of RX state machine.
+// 3'd6 : rb_data <= <unused>;
+ 3'd7 : rb_data <= rb_data_user;
+ default : rb_data <= 64'd0;
+ endcase // case (rb_addr)
+
+ //
+ // Sample VITA_TIME into the bus_clk domain for use by instrumentation.
+ //
+ wire [63:0] vita_time_b_int;
+ wire vita_time_b_valid;
+
+ axi_fifo_2clk #(.WIDTH(64), .SIZE(0)) vita_time_fifo
+ (.reset(radio_rst),
+ .i_aclk(radio_clk), .i_tvalid(1'b1), .i_tready(), .i_tdata(vita_time),
+ .o_aclk(bus_clk), .o_tvalid(vita_time_b_valid), .o_tready(1'b1), .o_tdata(vita_time_b_int));
+
+ always @(posedge bus_clk)
+ if (vita_time_b_valid)
+ vita_time_b <= vita_time_b_int;
+
+ // Set this register to loop TX data directly to RX data.
+ setting_reg #(.my_addr(SR_LOOPBACK), .awidth(8), .width(1)) sr_loopback
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb), .addr(set_addr), .in(set_data),
+ .out(loopback), .changed());
+
+ setting_reg #(.my_addr(SR_TEST), .awidth(8), .width(32)) sr_test
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb), .addr(set_addr), .in(set_data),
+ .out(test_readback), .changed());
+
+ setting_reg #(.my_addr(SR_CODEC_IDLE), .awidth(8), .width(32)) sr_codec_idle
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb), .addr(set_addr), .in(set_data),
+ .out(tx_idle), .changed());
+
+ setting_reg #(.my_addr(SR_READBACK), .awidth(8), .width(3)) sr_rdback
+ (.clk(radio_clk), .rst(radio_rst), .strobe(set_stb), .addr(set_addr), .in(set_data),
+ .out(rb_addr), .changed());
+
+ //The fe_atr pins driven by this module are always configured as outputs so default
+ //the DDR (data direction register) to be all ones (outputs) so that the drive direction
+ //these lines does not change during/after resets.
+ gpio_atr #(.BASE(SR_ATR), .WIDTH(32), .FAB_CTRL_EN(0), .DEFAULT_DDR(32'hFFFFFFFF), .DEFAULT_IDLE(32'h00000000)) fe_gpio_atr
+ (.clk(radio_clk),.reset(radio_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .rx(run_rx), .tx(run_tx),
+ .gpio_in(fe_gpio_in), .gpio_out(fe_gpio_out), .gpio_ddr(fe_gpio_ddr),
+ .gpio_out_fab(32'h00000000 /* no fabric control */), .gpio_sw_rb() );
+
+ generate
+ if (FP_GPIO != 0) begin: add_fp_gpio
+ gpio_atr #(.BASE(SR_FP_GPIO), .WIDTH(10), .FAB_CTRL_EN(0)) fp_gpio_atr
+ (.clk(radio_clk),.reset(radio_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .rx(run_rx), .tx(run_tx),
+ .gpio_in(fp_gpio_in), .gpio_out(fp_gpio_out), .gpio_ddr(fp_gpio_ddr),
+ .gpio_out_fab(10'h000 /* no fabric control */), .gpio_sw_rb(fp_gpio_readback));
+ end
+ endgenerate
+
+
+
+ ///////////////////////////////////////////////////////////////////////////////////////
+ // Source flow control
+
+generate
+ if (SOURCE_FLOW_CONTROL == 1) begin
+
+ localparam SID_PREFIX_CTRL = 2'd0;
+ localparam SID_PREFIX_FC = 2'd1;
+
+ wire [63:0] ctrl_tdata_fc;
+ wire ctrl_tready_fc, ctrl_tvalid_fc;
+ wire ctrl_tlast_fc;
+
+ wire [63:0] ctrl_hdr;
+ wire [1:0] ctrl_dest;
+
+ assign ctrl_dest = (ctrl_hdr[1:0] == SID_PREFIX_FC) ? 2'd1 : 2'd0;
+
+ axi_demux4 #(.ACTIVE_CHAN(4'b0011), .WIDTH(64), .BUFFER(1)) demux_proc_fc
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .header(ctrl_hdr), .dest(ctrl_dest),
+ .i_tdata(ctrl_tdata_r), .i_tlast(ctrl_tlast_r), .i_tvalid(ctrl_tvalid_r), .i_tready(ctrl_tready_r), //Input
+ .o0_tdata(ctrl_tdata_proc), .o0_tlast(ctrl_tlast_proc), .o0_tvalid(ctrl_tvalid_proc), .o0_tready(ctrl_tready_proc), //Settings/Readback
+ .o1_tdata(ctrl_tdata_fc), .o1_tlast(ctrl_tlast_fc), .o1_tvalid(ctrl_tvalid_fc), .o1_tready(ctrl_tready_fc), //Flow control
+ .o2_tdata(), .o2_tlast(), .o2_tvalid(), .o2_tready(1'b0), //Unused
+ .o3_tdata(), .o3_tlast(), .o3_tvalid(), .o3_tready(1'b0)); //Unused
+
+ source_flow_control_legacy #(.BASE(SR_RX_CTRL+6)) rx_sfc
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .fc_tdata(ctrl_tdata_fc), .fc_tlast(ctrl_tlast_fc), .fc_tvalid(ctrl_tvalid_fc), .fc_tready(ctrl_tready_fc), //Flow control In
+ .in_tdata(rx_prefc_tdata_r), .in_tlast(rx_prefc_tlast_r), .in_tvalid(rx_prefc_tvalid_r), .in_tready(rx_prefc_tready_r), //RX Input
+ .out_tdata(rx_postfc_tdata_r), .out_tlast(rx_postfc_tlast_r), .out_tvalid(rx_postfc_tvalid_r), .out_tready(rx_postfc_tready_r), //RX Output
+ .busy(rx_flow_ctrl_busy));
+
+ end else begin //for SOURCE_FLOW_CONTROL == 1
+
+ assign ctrl_tdata_proc = ctrl_tdata_r;
+ assign ctrl_tlast_proc = ctrl_tlast_r;
+ assign ctrl_tvalid_proc = ctrl_tvalid_r;
+ assign ctrl_tready_r = ctrl_tready_proc;
+
+ assign rx_postfc_tdata_r = rx_prefc_tdata_r;
+ assign rx_postfc_tlast_r = rx_prefc_tlast_r;
+ assign rx_postfc_tvalid_r = rx_prefc_tvalid_r;
+ assign rx_prefc_tready_r = rx_postfc_tready_r;
+
+ assign rx_flow_ctrl_busy = 1'b0;
+
+ end
+
+endgenerate
+
+ // /////////////////////////////////////////////////////////////////////////////////
+ // TX Chain
+
+ wire [175:0] txsample_tdata;
+ wire txsample_tvalid, txsample_tready;
+ wire [31:0] sample_tx;
+ wire ack_or_error, packet_consumed;
+ wire [11:0] seqnum;
+ wire [63:0] error_code;
+ wire [31:0] sid;
+ wire [23:0] tx_fe_i, tx_fe_q;
+
+ wire [31:0] debug_tx_control;
+
+ always @(posedge radio_clk) begin
+ tx[31:16] <= (run_tx) ? tx_fe_i[23:8] : tx_idle[31:16];
+ tx[15:0] <= (run_tx) ? tx_fe_q[23:8] : tx_idle[15:0];
+ end
+
+ wire [63:0] tx_tdata_i; wire tx_tlast_i, tx_tvalid_i, tx_tready_i;
+
+ new_tx_deframer tx_deframer
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .i_tdata(tx_tdata_i), .i_tlast(tx_tlast_i), .i_tvalid(tx_tvalid_i), .i_tready(tx_tready_i),
+ .sample_tdata(txsample_tdata), .sample_tvalid(txsample_tvalid), .sample_tready(txsample_tready),
+ .debug());
+
+ new_tx_control #(.BASE(SR_TX_CTRL)) tx_control
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .vita_time(vita_time),
+ .ack_or_error(ack_or_error), .packet_consumed(packet_consumed),
+ .seqnum(seqnum), .error_code(error_code), .sid(sid),
+ .sample_tdata(txsample_tdata), .sample_tvalid(txsample_tvalid), .sample_tready(txsample_tready),
+ .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
+ .debug(debug_tx_control));
+
+ tx_responder #(.BASE(SR_TX_CTRL+2)) tx_responder
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .ack_or_error(ack_or_error), .packet_consumed(packet_consumed),
+ .seqnum(seqnum), .error_code(error_code), .sid(sid),
+ .vita_time(vita_time),
+ .o_tdata(txresp_tdata_r), .o_tlast(txresp_tlast_r), .o_tvalid(txresp_tvalid_r), .o_tready(txresp_tready_r));
+
+ wire [31:0] debug_duc_chain;
+ duc_chain #(.BASE(SR_TX_DSP), .DSPNO(0), .WIDTH(24), .NEW_HB_INTERP(NEW_HB_INTERP),.DEVICE(DEVICE)) duc_chain
+ (.clk(radio_clk), .rst(radio_rst), .clr(1'b0),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .tx_fe_i(tx_fe_i),.tx_fe_q(tx_fe_q),
+ .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
+ .debug(debug_duc_chain) );
+
+`ifdef DELETE_FORMAT_CONVERSION
+ assign tx_tdata_i = tx_tdata_r;
+ assign tx_tlast_i = tx_tlast_r;
+ assign tx_tvalid_i = tx_tvalid_r;
+ assign tx_tready_r = tx_tready_i;
+`else
+ chdr_xxxx_to_16sc_chain #(.BASE(SR_TX_FMT)) convert_xxxx_to_16sc
+ (.clk(radio_clk), .reset(radio_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .i_tdata(tx_tdata_r), .i_tlast(tx_tlast_r), .i_tvalid(tx_tvalid_r), .i_tready(tx_tready_r),
+ .o_tdata(tx_tdata_i), .o_tlast(tx_tlast_i), .o_tvalid(tx_tvalid_i), .o_tready(tx_tready_i),
+ .debug());
+`endif // !`ifdef DELETE_FORMAT_CONVERSION
+
+ // /////////////////////////////////////////////////////////////////////////////////
+ // RX Chain
+
+ wire full, eob_rx;
+ wire strobe_rx;
+ wire [31:0] sample_rx;
+ wire [31:0] rx_sid;
+ wire [11:0] rx_seqnum;
+ wire [63:0] rx_tdata_i; wire rx_tlast_i, rx_tvalid_i, rx_tready_i;
+
+ wire [31:0] debug_rx_framer;
+ new_rx_framer #(.BASE(SR_RX_CTRL+4),.SAMPLE_FIFO_SIZE(SAMPLE_FIFO_SIZE)) new_rx_framer
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .vita_time(vita_time),
+ .strobe(strobe_rx), .sample(sample_rx), .run(run_rx), .eob(eob_rx), .full(full),
+ .sid(rx_sid), .seqnum(rx_seqnum),
+ .o_tdata(rx_tdata_i), .o_tlast(rx_tlast_i), .o_tvalid(rx_tvalid_i), .o_tready(rx_tready_i),
+ .debug(debug_rx_framer));
+
+ wire [31:0] debug_rx_control;
+ new_rx_control #(.BASE(SR_RX_CTRL)) new_rx_control
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .vita_time(vita_time),
+ .strobe(strobe_rx), .run(run_rx), .eob(eob_rx), .full(full),
+ .sid(rx_sid), .seqnum(rx_seqnum),
+ .err_tdata(rx_err_tdata_r), .err_tlast(rx_err_tlast_r), .err_tvalid(rx_err_tvalid_r), .err_tready(rx_err_tready_r),
+ .ibs_state(ibs_state),
+ .debug(debug_rx_control));
+
+ wire [31:0] debug_ddc_chain;
+
+ // Digital Loopback TX -> RX (Pipeline immediately inside rx_frontend).
+ wire [31:0] rx_fe = loopback ? tx : rx;
+
+ ddc_chain #(.BASE(SR_RX_DSP), .DSPNO(0), .WIDTH(24), .NEW_HB_DECIM(NEW_HB_DECIM), .DEVICE(DEVICE)) ddc_chain
+ (.clk(radio_clk), .rst(radio_rst), .clr(1'b0),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .rx_fe_i({rx_fe[31:16],8'd0}),.rx_fe_q({rx_fe[15:0],8'd0}),
+ .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
+ .debug(debug_ddc_chain) );
+
+`ifdef DELETE_FORMAT_CONVERSION
+ assign rx_prefc_tdata_r = rx_tdata_i;
+ assign rx_prefc_tlast_r = rx_tlast_i;
+ assign rx_prefc_tvalid_r = rx_tvalid_i;
+ assign rx_tready_i = rx_prefc_tready_r;
+`else
+ chdr_16sc_to_xxxx_chain #(.BASE(SR_RX_FMT)) convert_16sc_to_xxxx
+ (.clk(radio_clk), .reset(radio_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .i_tdata(rx_tdata_i), .i_tlast(rx_tlast_i), .i_tvalid(rx_tvalid_i), .i_tready(rx_tready_i),
+ .o_tdata(rx_prefc_tdata_r), .o_tlast(rx_prefc_tlast_r), .o_tvalid(rx_prefc_tvalid_r), .o_tready(rx_prefc_tready_r),
+ .debug());
+`endif
+ // /////////////////////////////////////////////////////////////////////////////////
+ // RX Channel Muxing
+
+ axi_mux4 #(.PRIO(1), .WIDTH(64), .BUFFER(1)) rx_mux
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .i0_tdata(rx_postfc_tdata_r), .i0_tlast(rx_postfc_tlast_r), .i0_tvalid(rx_postfc_tvalid_r), .i0_tready(rx_postfc_tready_r),
+ .i1_tdata(rx_err_tdata_r), .i1_tlast(rx_err_tlast_r), .i1_tvalid(rx_err_tvalid_r), .i1_tready(rx_err_tready_r),
+ .i2_tdata(64'h0), .i2_tlast(1'b0), .i2_tvalid(1'b0), .i2_tready(),
+ .i3_tdata(64'h0), .i3_tlast(1'b0), .i3_tvalid(1'b0), .i3_tready(),
+ .o_tdata(rx_tdata_r), .o_tlast(rx_tlast_r), .o_tvalid(rx_tvalid_r), .o_tready(rx_tready_r));
+
+ // /////////////////////////////////////////////////////////////////////////////////
+ // Response Channel Muxing
+
+ axi_mux4 #(.PRIO(0), .WIDTH(64)) response_mux
+ (.clk(radio_clk), .reset(radio_rst), .clear(1'b0),
+ .i0_tdata(txresp_tdata_r), .i0_tlast(txresp_tlast_r), .i0_tvalid(txresp_tvalid_r), .i0_tready(txresp_tready_r),
+ .i1_tdata(resp_tdata_r), .i1_tlast(resp_tlast_r), .i1_tvalid(resp_tvalid_r), .i1_tready(resp_tready_r),
+ .i2_tdata(64'h0), .i2_tlast(1'b0), .i2_tvalid(1'b0), .i2_tready(),
+ .i3_tdata(64'h0), .i3_tlast(1'b0), .i3_tvalid(1'b0), .i3_tready(),
+ .o_tdata(rmux_tdata_r), .o_tlast(rmux_tlast_r), .o_tvalid(rmux_tvalid_r), .o_tready(rmux_tready_r));
+
+
+
+
+ /*******************************************************************
+ * Debug only logic below here.
+ ******************************************************************/
+ assign debug = 0;
+
+endmodule // radio_legacy