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-rw-r--r--usrp2/top/B100/u1plus_core.v73
-rw-r--r--usrp2/top/E1x0/u1e_core.v4
2 files changed, 61 insertions, 16 deletions
diff --git a/usrp2/top/B100/u1plus_core.v b/usrp2/top/B100/u1plus_core.v
index 38423dcc9..c703309a0 100644
--- a/usrp2/top/B100/u1plus_core.v
+++ b/usrp2/top/B100/u1plus_core.v
@@ -138,25 +138,72 @@ module u1plus_core
.debug0(debug0), .debug1(debug1));
// /////////////////////////////////////////////////////////////////////////
- // DSP RX
- wire [31:0] sample_rx;
- wire strobe_rx, run_rx;
- wire [31:0] debug_rx_dsp, vr_debug;
+ // RX ADC Frontend, does IQ Balance, DC Offset, muxing
+
+ wire [23:0] adc_i, adc_q; // 24 bits is total overkill here, but it matches u2/u2p
+ wire run_rx, run_rx0, run_rx1;
- dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx
+ rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend
(.clk(wb_clk),.rst(wb_rst),
.set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
- .adc_a({rx_i,2'b0}),.adc_ovf_a(0),.adc_b({rx_q,2'b0}),.adc_ovf_b(0),
- .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
- .debug(debug_rx_dsp) );
+ .adc_a({rx_i,4'b00}),.adc_ovf_a(0),
+ .adc_b({rx_q,4'b00}),.adc_ovf_b(0),
+ .i_out(adc_i), .q_out(adc_q), .run(run_rx0 | run_rx1), .debug());
- vita_rx_chain #(.BASE(SR_RX_CTRL), .UNIT(0), .FIFOSIZE(9), .PROT_ENG_FLAGS(0)) vita_rx_chain
+ // /////////////////////////////////////////////////////////////////////////
+ // DSP RX 0
+
+ wire [31:0] sample_rx0;
+ wire strobe_rx0;
+ wire [35:0] vita_rx_data0;
+ wire vita_rx_src_rdy0, vita_rx_dst_rdy0;
+
+ dsp_core_rx #(.BASE(SR_RX_DSP0)) dsp_core_rx0
+ (.clk(wb_clk),.rst(wb_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .adc_i(adc_i),.adc_ovf_i(0),.adc_q(adc_q),.adc_ovf_q(0),
+ .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0),
+ .debug() );
+
+ vita_rx_chain #(.BASE(SR_RX_CTRL0), .UNIT(0), .FIFOSIZE(9), .PROT_ENG_FLAGS(0)) vita_rx_chain0
(.clk(wb_clk),.reset(wb_rst),.clear(clear_rx),
.set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
- .vita_time(vita_time), .overrun(rx_overrun_dsp),
- .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
- .rx_data_o(rx_data), .rx_dst_rdy_i(rx_dst_rdy), .rx_src_rdy_o(rx_src_rdy),
- .debug(vr_debug) );
+ .vita_time(vita_time), .overrun(rx_overrun_dsp0),
+ .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0),
+ .rx_data_o(vita_rx_data0), .rx_dst_rdy_i(vita_rx_dst_rdy0), .rx_src_rdy_o(vita_rx_src_rdy0),
+ .debug() );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // DSP RX 1
+
+ wire [31:0] sample_rx1;
+ wire strobe_rx1;
+ wire [35:0] vita_rx_data1;
+ wire vita_rx_src_rdy1, vita_rx_dst_rdy1;
+
+ dsp_core_rx #(.BASE(SR_RX_DSP1)) dsp_core_rx1
+ (.clk(wb_clk),.rst(wb_rst),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .adc_i(adc_i),.adc_ovf_i(0),.adc_q(adc_q),.adc_ovf_q(0),
+ .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1),
+ .debug() );
+
+ vita_rx_chain #(.BASE(SR_RX_CTRL1), .UNIT(1), .FIFOSIZE(9), .PROT_ENG_FLAGS(0)) vita_rx_chain1
+ (.clk(wb_clk),.reset(wb_rst),.clear(clear_rx),
+ .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
+ .vita_time(vita_time), .overrun(rx_overrun_dsp1),
+ .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1),
+ .rx_data_o(vita_rx_data1), .rx_dst_rdy_i(vita_rx_dst_rdy1), .rx_src_rdy_o(vita_rx_src_rdy1),
+ .debug() );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // RX Stream muxing
+
+ fifo36_mux #(.prio(0)) mux_data_streams
+ (.clk(wb_clk), .reset(wb_rst), .clear(0),
+ .data0_i(vita_rx_data0), .src0_rdy_i(vita_rx_src_rdy0), .dst0_rdy_o(vita_rx_dst_rdy0),
+ .data1_i(vita_rx_data1), .src1_rdy_i(vita_rx_src_rdy1), .dst1_rdy_o(vita_rx_dst_rdy1),
+ .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy));
// ///////////////////////////////////////////////////////////////////////////////////
// DSP TX
diff --git a/usrp2/top/E1x0/u1e_core.v b/usrp2/top/E1x0/u1e_core.v
index 3d5dced29..fc90d3d4e 100644
--- a/usrp2/top/E1x0/u1e_core.v
+++ b/usrp2/top/E1x0/u1e_core.v
@@ -137,8 +137,6 @@ module u1e_core
.test_rate(test_rate), .test_ctrl(test_ctrl),
.debug(debug_gpmc));
- wire rx_sof = rx_data[32];
- wire rx_eof = rx_data[33];
wire rx_src_rdy_int, rx_dst_rdy_int, tx_src_rdy_int, tx_dst_rdy_int;
wire [31:0] debug_rx_dsp, vrc_debug, vrf_debug, vr_debug;
@@ -487,7 +485,7 @@ module u1e_core
/*
assign debug_gpio_1 = { {rx_enable, rx_src_rdy, rx_dst_rdy, rx_src_rdy & ~rx_dst_rdy},
{tx_enable, tx_src_rdy, tx_dst_rdy, tx_dst_rdy & ~tx_src_rdy},
- {rx_sof, rx_eof, rx_src_rdy, rx_dst_rdy, rx_data[33:32],2'b0},
+ {2'b0, rx_src_rdy, rx_dst_rdy, rx_data[33:32],2'b0},
{2'b0, bus_error, debug_gpmc[4:0] },
{misc_gpio[7:0]} };
*/