dsp rework: implemented dsp changes for other top levels

added user registers into each toplevel (not used yet)

1 files changed, 37 insertions, 35 deletions

diff --git a/usrp2/top/N2x0/u2plus_core.v b/usrp2/top/N2x0/u2plus_core.v
index f78d9013f..bd9cbf610 100644
--- a/usrp2/top/N2x0/u2plus_core.v
+++ b/usrp2/top/N2x0/u2plus_core.v
@@ -1,5 +1,5 @@
 //
-// Copyright 2011 Ettus Research LLC
+// Copyright 2011-2012 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -152,7 +152,7 @@ module u2plus_core
    localparam SR_SIMTIMER =   8;   // 2
    localparam SR_TIME64   =  10;   // 6
    localparam SR_BUF_POOL =  16;   // 4
-
+   localparam SR_USER_REGS = 20;   // 2
    localparam SR_RX_FRONT =  24;   // 5
    localparam SR_RX_CTRL0 =  32;   // 9
    localparam SR_RX_DSP0  =  48;   // 7
@@ -174,11 +174,11 @@ module u2plus_core
    localparam ETH_RX_FIFOSIZE = 11;
    localparam SERDES_TX_FIFOSIZE = 9;
    localparam SERDES_RX_FIFOSIZE = 9;  // RX currently doesn't use a fifo?
-   
-   wire [7:0] 	set_addr, set_addr_dsp;
-   wire [31:0] 	set_data, set_data_dsp;
-   wire 	set_stb, set_stb_dsp;
-   
+
+   wire [7:0]  set_addr, set_addr_dsp, set_addr_user;
+   wire [31:0] set_data, set_data_dsp, set_data_user;
+   wire        set_stb, set_stb_dsp, set_stb_user;
+
    reg 		wb_rst; 
    wire 	dsp_rst = wb_rst;
    
@@ -478,7 +478,13 @@ module u2plus_core
    settings_bus_crossclock settings_bus_crossclock
      (.clk_i(wb_clk), .rst_i(wb_rst), .set_stb_i(set_stb), .set_addr_i(set_addr), .set_data_i(set_data),
       .clk_o(dsp_clk), .rst_o(dsp_rst), .set_stb_o(set_stb_dsp), .set_addr_o(set_addr_dsp), .set_data_o(set_data_dsp));
-   
+
+   user_settings #(.BASE(SR_USER_REGS)) user_settings
+     (.clk(dsp_clk),.rst(dsp_rst),.set_stb(set_stb_dsp),
+      .set_addr(set_addr_dsp),.set_data(set_data_dsp),
+      .set_addr_user(set_addr_user),.set_data_user(set_data_user),
+      .set_stb_user(set_stb_user) );
+
    // Output control lines
    wire [7:0] 	 clock_outs, serdes_outs, adc_outs;
    assign 	 {clock_ready, clk_en[1:0], clk_sel[1:0]} = clock_outs[4:0];
@@ -559,19 +565,19 @@ module u2plus_core
 
    // /////////////////////////////////////////////////////////////////////////
    // ADC Frontend
-   wire [23:0] 	 adc_i, adc_q;
+   wire [23:0] 	 rx_fe_i, rx_fe_q;
    
    rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend
      (.clk(dsp_clk),.rst(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
       .adc_a({adc_a,2'b00}),.adc_ovf_a(adc_ovf_a),
       .adc_b({adc_b,2'b00}),.adc_ovf_b(adc_ovf_b),
-      .i_out(adc_i), .q_out(adc_q), .run(run_rx0_d1 | run_rx1_d1), .debug());
+      .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx0_d1 | run_rx1_d1), .debug());
    
    // /////////////////////////////////////////////////////////////////////////
    // DSP RX 0
    wire [31:0] 	 sample_rx0;
-   wire 	 clear_rx0, strobe_rx0;
+   wire 	 strobe_rx0;
 
    always @(posedge dsp_clk)
      run_rx0_d1 <= run_rx0;
@@ -579,17 +585,12 @@ module u2plus_core
    ddc_chain #(.BASE(SR_RX_DSP0)) ddc_chain0
      (.clk(dsp_clk),.rst(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
-      .adc_i(adc_i),.adc_ovf_i(adc_ovf_a),.adc_q(adc_q),.adc_ovf_q(adc_ovf_b),
+      .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q),
       .sample(sample_rx0), .run(run_rx0_d1), .strobe(strobe_rx0),
       .debug() );
 
-   setting_reg #(.my_addr(SR_RX_CTRL0+3)) sr_clear_rx0
-     (.clk(dsp_clk),.rst(dsp_rst),
-      .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
-      .out(),.changed(clear_rx0));
-
    vita_rx_chain #(.BASE(SR_RX_CTRL0),.UNIT(0),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain0
-     (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0),
+     (.clk(dsp_clk), .reset(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
       .vita_time(vita_time), .overrun(overrun0),
       .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0),
@@ -599,7 +600,7 @@ module u2plus_core
    // /////////////////////////////////////////////////////////////////////////
    // DSP RX 1
    wire [31:0] 	 sample_rx1;
-   wire 	 clear_rx1, strobe_rx1;
+   wire 	 strobe_rx1;
 
    always @(posedge dsp_clk)
      run_rx1_d1 <= run_rx1;
@@ -607,17 +608,12 @@ module u2plus_core
    ddc_chain #(.BASE(SR_RX_DSP1)) ddc_chain1
      (.clk(dsp_clk),.rst(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
-      .adc_i(adc_i),.adc_ovf_i(adc_ovf_a),.adc_q(adc_q),.adc_ovf_q(adc_ovf_b),
+      .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q),
       .sample(sample_rx1), .run(run_rx1_d1), .strobe(strobe_rx1),
       .debug() );
 
-   setting_reg #(.my_addr(SR_RX_CTRL1+3)) sr_clear_rx1
-     (.clk(dsp_clk),.rst(dsp_rst),
-      .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
-      .out(),.changed(clear_rx1));
-
    vita_rx_chain #(.BASE(SR_RX_CTRL1),.UNIT(2),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain1
-     (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1),
+     (.clk(dsp_clk), .reset(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
       .vita_time(vita_time), .overrun(overrun1),
       .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1),
@@ -632,10 +628,6 @@ module u2plus_core
    wire [31:0] 	 debug_vt;
    wire 	 clear_tx;
 
-   setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx
-     (.clk(dsp_clk),.rst(dsp_rst),.strobe(set_stb_dsp),.addr(set_addr_dsp),
-      .in(set_data_dsp),.out(),.changed(clear_tx));
-
    assign 	 RAM_A[20:18] = 3'b0;
    
    ext_fifo #(.EXT_WIDTH(36),.INT_WIDTH(36),.RAM_DEPTH(18),.FIFO_DEPTH(18)) 
@@ -661,9 +653,11 @@ module u2plus_core
 	.debug(debug_extfifo),
 	.debug2(debug_extfifo2) );
 
-   wire [23:0] 	 tx_i, tx_q;
+   wire [23:0] 	 tx_fe_i, tx_fe_q;
+   wire [31:0]   sample_tx;
+   wire strobe_tx;
    
-   vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP), 
+   vita_tx_chain #(.BASE(SR_TX_CTRL),
 		   .REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
 		   .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1),
 		   .DSP_NUMBER(0))
@@ -673,16 +667,24 @@ module u2plus_core
       .vita_time(vita_time),
       .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy),
       .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy),
-      .tx_i(tx_i),.tx_q(tx_q),
+      .sample(sample_tx), .strobe(strobe_tx),
       .underrun(underrun), .run(run_tx),
+      .clear_vita(clear_tx), //output internal vita clear signal
       .debug(debug_vt));
 
+   duc_chain #(.BASE(SR_TX_DSP)) duc_chain
+     (.clk(dsp_clk),.rst(dsp_rst),
+      .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+      .tx_fe_i(tx_fe_i),.tx_fe_q(tx_fe_q),
+      .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
+      .debug() );
+
    tx_frontend #(.BASE(SR_TX_FRONT)) tx_frontend
      (.clk(dsp_clk), .rst(dsp_rst),
       .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
-      .tx_i(tx_i), .tx_q(tx_q), .run(1'b1),
+      .tx_i(tx_fe_i), .tx_q(tx_fe_q), .run(1'b1),
       .dac_a(dac_a), .dac_b(dac_b));
-         
+
    // ///////////////////////////////////////////////////////////////////////////////////
    // SERDES