diff options
Diffstat (limited to 'usrp2/top')
| -rw-r--r-- | usrp2/top/u2plus/u2plus_core.v | 81 |
1 files changed, 56 insertions, 25 deletions
diff --git a/usrp2/top/u2plus/u2plus_core.v b/usrp2/top/u2plus/u2plus_core.v index e908ec94e..220c2a36a 100644 --- a/usrp2/top/u2plus/u2plus_core.v +++ b/usrp2/top/u2plus/u2plus_core.v @@ -178,7 +178,9 @@ module u2plus_core wire epoch; wire [31:0] irq; wire [63:0] vita_time, vita_time_pps; - wire run_rx, run_tx; + + wire run_rx0, run_rx1, run_tx; + reg run_rx0_d1, run_rx1_d1; // /////////////////////////////////////////////////////////////////////////////////////////////// // Wishbone Single Master INTERCON @@ -519,7 +521,7 @@ module u2plus_core // In Rev3 there are only 6 leds, and the highest one is on the ETH connector wire [7:0] led_src, led_sw; - wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0}; + wire [7:0] led_hw = {run_tx, (run_rx0_d1 | run_rx1_d1), clk_status, serdes_link_up, 1'b0}; setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_sw),.changed()); @@ -536,7 +538,7 @@ module u2plus_core wire underrun_wb, overrun_wb, pps_wb; oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb)); - oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb)); + oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun0 | overrun1), .clk_out(wb_clk), .out(overrun_wb)); oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb)); assign irq= {{8'b0}, @@ -575,15 +577,11 @@ module u2plus_core // ///////////////////////////////////////////////////////////////////////// // ATR Controller, Slave #11 - reg run_rx_d1; - always @(posedge dsp_clk) - run_rx_d1 <= run_rx; - atr_controller atr_controller (.clk_i(wb_clk),.rst_i(wb_rst), .adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i), .we_i(sb_we),.stb_i(sb_stb),.cyc_i(sb_cyc),.ack_o(sb_ack), - .run_rx(run_rx_d1),.run_tx(run_tx),.ctrl_lines(atr_lines) ); + .run_rx(run_rx0_d1 | run_rx1_d1),.run_tx(run_tx),.ctrl_lines(atr_lines) ); // ////////////////////////////////////////////////////////////////////////// // Time Sync, Slave #12 @@ -609,39 +607,72 @@ module u2plus_core // ///////////////////////////////////////////////////////////////////////// // DSP RX 0 - wire [31:0] sample_rx, sample_tx; - wire strobe_rx, strobe_tx; - wire rx_dst_rdy, rx_src_rdy, rx0_dst_rdy, rx0_src_rdy; + wire [31:0] sample_rx0; wire [35:0] rx0_data; + wire clear_rx0, strobe_rx0, rx0_dst_rdy, rx0_src_rdy; + + always @(posedge dsp_clk) + run_rx0_d1 <= run_rx0; - dsp_core_rx #(.BASE(SR_RX_DSP0)) dsp_core_rx + dsp_core_rx #(.BASE(SR_RX_DSP0)) dsp_core_rx0 (.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),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b), - .sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx), - .debug(debug_rx_dsp) ); + .sample(sample_rx0), .run(run_rx0_d1), .strobe(strobe_rx0), + .debug() ); - wire [31:0] vr_debug; - wire clear_rx; - - setting_reg #(.my_addr(SR_RX_CTRL0+3)) sr_clear + 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_rx)); + .out(),.changed(clear_rx0)); vita_rx_chain #(.BASE(SR_RX_CTRL0)) vita_rx_chain0 - (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0), .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp), - .vita_time(vita_time), .overrun(overrun), - .sample(sample_rx), .run(run_rx), .strobe(strobe_rx), + .vita_time(vita_time), .overrun(overrun0), + .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), .rx_data_o(rx0_data), .rx_src_rdy_o(rx0_src_rdy), .rx_dst_rdy_i(rx0_dst_rdy), - .debug(vr_debug) ); + .debug() ); - fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade - (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx), + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade0 + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0), .datain(rx0_data), .src_rdy_i(rx0_src_rdy), .dst_rdy_o(rx0_dst_rdy), .dataout(wr1_dat), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o)); + // ///////////////////////////////////////////////////////////////////////// + // DSP RX 1 + wire [31:0] sample_rx1; + wire [35:0] rx1_data; + wire clear_rx1, strobe_rx1, rx1_dst_rdy, rx1_src_rdy; + + always @(posedge dsp_clk) + run_rx1_d1 <= run_rx1; + + dsp_core_rx #(.BASE(SR_RX_DSP1)) dsp_core_rx1 + (.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),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b), + .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)) vita_rx_chain1 + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1), + .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), + .rx_data_o(rx1_data), .rx_src_rdy_o(rx1_src_rdy), .rx_dst_rdy_i(rx1_dst_rdy), + .debug() ); + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade1 + (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1), + .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy), + .dataout(wr3_dat), .src_rdy_o(wr3_ready_i), .dst_rdy_i(wr3_ready_o)); + // /////////////////////////////////////////////////////////////////////////////////// // DSP TX |