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-rw-r--r--usrp2/top/N2x0/u2plus_core.v72
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 05:48:54 +0000