diff options
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/top/E1x0/u1e_core.v | 95 |
1 files changed, 74 insertions, 21 deletions
diff --git a/usrp2/top/E1x0/u1e_core.v b/usrp2/top/E1x0/u1e_core.v index 4c513587b..e038b78b8 100644 --- a/usrp2/top/E1x0/u1e_core.v +++ b/usrp2/top/E1x0/u1e_core.v @@ -43,8 +43,8 @@ module u1e_core localparam RXFIFOSIZE = 13; // 64 total regs in address space - localparam SR_RX_CTRL = 0; // 9 regs (+0 to +8) - localparam SR_RX_DSP = 16; // 7 regs (+0 to +6) + localparam SR_RX_CTRL0 = 0; // 9 regs (+0 to +8) + localparam SR_RX_DSP0 = 16; // 7 regs (+0 to +6) localparam SR_TX_CTRL = 24; // 6 regs (+0 to +5) localparam SR_TX_DSP = 32; // 5 regs (+0 to +4) localparam SR_TIME64 = 40; // 6 regs (+0 to +5) @@ -52,7 +52,11 @@ module u1e_core localparam SR_CLEAR_TX_FIFO = 49; // 1 reg localparam SR_GLOBAL_RESET = 50; // 1 reg localparam SR_REG_TEST32 = 52; // 1 reg - + localparam SR_RX_FRONT = 0; + localparam SR_RX_CTRL1 = 0; + localparam SR_RX_DSP1 = 0; + localparam SR_TX_FRONT = 0; + wire [7:0] COMPAT_NUM = 8'd4; wire wb_clk = clk_fpga; @@ -69,8 +73,8 @@ module u1e_core wire set_stb; wire [31:0] debug_vt; - wire rx_overrun_dsp, rx_overrun_gpmc, tx_underrun_dsp, tx_underrun_gpmc; - assign rx_overrun = rx_overrun_gpmc | rx_overrun_dsp; + wire rx_overrun_dsp0, rx_overrun_dsp1, rx_overrun_gpmc, tx_underrun_dsp, tx_underrun_gpmc; + assign rx_overrun = rx_overrun_gpmc | rx_overrun_dsp0 | rx_overrun_dsp1; assign tx_underrun = tx_underrun_gpmc | tx_underrun_dsp; setting_reg #(.my_addr(SR_GLOBAL_RESET), .width(1)) sr_reset @@ -140,28 +144,77 @@ module u1e_core wire [31:0] debug_rx_dsp, vrc_debug, vrf_debug, vr_debug; // ///////////////////////////////////////////////////////////////////////// - // DSP RX - wire [31:0] sample_rx; - wire strobe_rx, run_rx; - wire [35:0] vita_rx_data; - wire vita_rx_src_rdy, vita_rx_dst_rdy; + // 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; + + 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,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()); + + // ///////////////////////////////////////////////////////////////////////// + // 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_DSP)) dsp_core_rx + 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_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_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_CTRL), .UNIT(0), .FIFOSIZE(9), .PROT_ENG_FLAGS(0)) vita_rx_chain + 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(vita_rx_data), .rx_dst_rdy_i(vita_rx_dst_rdy), .rx_src_rdy_o(vita_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 + + wire [35:0] vita_rx_data; + wire vita_rx_src_rdy, vita_rx_dst_rdy; + + 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(vita_rx_data), .src_rdy_o(vita_rx_src_rdy), .dst_rdy_i(vita_rx_dst_rdy)); - fifo36_mux #(.prio(0)) mux_err_stream + fifo36_mux #(.prio(0)) mux_txerr_stream (.clk(wb_clk), .reset(wb_rst), .clear(0), .data0_i(vita_rx_data), .src0_rdy_i(vita_rx_src_rdy), .dst0_rdy_o(vita_rx_dst_rdy), .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy), @@ -423,7 +476,7 @@ module u1e_core */ assign debug = debug_gpmc; - assign debug_gpio_0 = { {run_tx, 1'b0, run_rx, strobe_rx, tx_i[11:0]}, + assign debug_gpio_0 = { {run_tx, 1'b0, run_rx, strobe_rx0, tx_i[11:0]}, {2'b00, tx_src_rdy, tx_dst_rdy, tx_q[11:0]} }; assign debug_gpio_1 = debug_vt; |