diff options
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/top/B100/B100.v | 78 | ||||
| -rwxr-xr-x | usrp2/top/B100/core_compile | 2 | ||||
| -rw-r--r-- | usrp2/top/B100/timing.ucf | 19 | ||||
| -rw-r--r-- | usrp2/top/B100/u1plus_core.v | 655 |
4 files changed, 348 insertions, 406 deletions
diff --git a/usrp2/top/B100/B100.v b/usrp2/top/B100/B100.v index dcda974b4..cb4efa4fa 100644 --- a/usrp2/top/B100/B100.v +++ b/usrp2/top/B100/B100.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 @@ -50,6 +50,8 @@ module B100 // ///////////////////////////////////////////////////////////////////////// // Clocking wire clk_fpga, clk_fpga_in, reset; + wire gpif_clk = IFCLK; + wire gpif_rst; IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); @@ -57,6 +59,7 @@ module B100 BUFG clk_fpga_BUFG (.I(clk_fpga_in), .O(clk_fpga)); reset_sync reset_sync(.clk(clk_fpga), .reset_in((~reset_n) | (~ext_reset)), .reset_out(reset)); + reset_sync reset_sync_gpif(.clk(gpif_clk), .reset_in((~reset_n) | (~ext_reset)), .reset_out(gpif_rst)); // ///////////////////////////////////////////////////////////////////////// // SPI @@ -105,6 +108,7 @@ module B100 // ///////////////////////////////////////////////////////////////////////// // RX ADC -- handles deinterleaving + wire rxsync_0, rxsync_1; reg [11:0] rx_i, rx_q; wire [11:0] rx_a, rx_b; @@ -151,24 +155,60 @@ module B100 rx_i <= rx_a; rx_q <= rx_b; end - + // ///////////////////////////////////////////////////////////////////////// - // Main U1E Core - u1plus_core u1p_c(.clk_fpga(clk_fpga), .rst_fpga(reset), - .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk), - .debug_txd(), .debug_rxd(1'b1), - - .gpif_d(GPIF_D), .gpif_ctl(GPIF_CTL), .gpif_pktend(GPIF_PKTEND), - .gpif_sloe(GPIF_SLOE), .gpif_slwr(GPIF_SLWR), .gpif_slrd(GPIF_SLRD), - .gpif_fifoadr(GPIF_ADR), .gpif_clk(IFCLK), - - .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), - .sclk(sclk), .sen({SEN_CODEC,SEN_TX_DB,SEN_RX_DB}), .mosi(mosi), .miso(miso), - .cgen_st_status(cgen_st_status), .cgen_st_ld(cgen_st_ld),.cgen_st_refmon(cgen_st_refmon), - .cgen_sync_b(cgen_sync_b), .cgen_ref_sel(cgen_ref_sel), - .io_tx(io_tx), .io_rx(io_rx), - .tx_i(tx_i), .tx_q(tx_q), - .rx_i(rx_i), .rx_q(rx_q), - .pps_in(PPS_IN) ); + // Main Core + wire [35:0] rx_data, tx_data, ctrl_data, resp_data; + wire rx_src_rdy, rx_dst_rdy, tx_src_rdy, tx_dst_rdy, resp_src_rdy, resp_dst_rdy, ctrl_src_rdy, ctrl_dst_rdy; + wire dsp_rx_run, dsp_tx_run; + wire [7:0] sen8; + assign {SEN_CODEC,SEN_TX_DB,SEN_RX_DB} = sen8[2:0]; + wire [31:0] core_debug; + + assign debug_led = {dsp_tx_run, dsp_rx_run, cgen_st_ld}; + wire cgen_sync; + assign { cgen_sync_b, cgen_ref_sel } = {~cgen_sync, 1'b1}; + + u1plus_core #( + .NUM_RX_DSPS(1), + .DSP_RX_XTRA_FIFOSIZE(11), + .DSP_TX_XTRA_FIFOSIZE(12), + .USE_PACKET_PADDER(1) + ) core( + .clk(clk_fpga), .reset(reset), + .debug(core_debug), .debug_clk(debug_clk), + + .rx_data(rx_data), .rx_src_rdy(rx_src_rdy), .rx_dst_rdy(rx_dst_rdy), + .tx_data(tx_data), .tx_src_rdy(tx_src_rdy), .tx_dst_rdy(tx_dst_rdy), + .ctrl_data(ctrl_data), .ctrl_src_rdy(ctrl_src_rdy), .ctrl_dst_rdy(ctrl_dst_rdy), + .resp_data(resp_data), .resp_src_rdy(resp_src_rdy), .resp_dst_rdy(resp_dst_rdy), + + .dsp_rx_run(dsp_rx_run), .dsp_tx_run(dsp_tx_run), + .clock_sync(cgen_sync), + + .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), + .sclk(sclk), .sen(sen8), .mosi(mosi), .miso(miso), + .io_tx(io_tx), .io_rx(io_rx), + .tx_i(tx_i), .tx_q(tx_q), + .rx_i(rx_i), .rx_q(rx_q), + .pps_in(PPS_IN) ); + + // ///////////////////////////////////////////////////////////////////////// + // Interface from host to/from GPIF + wire [31:0] gpif_debug; + slave_fifo slave_fifo (.gpif_clk(gpif_clk), .gpif_rst(gpif_rst), .gpif_d(GPIF_D), + .gpif_ctl(GPIF_CTL), .sloe(GPIF_SLOE), .slwr(GPIF_SLWR), .slrd(GPIF_SLRD), + .pktend(GPIF_PKTEND), .fifoadr(GPIF_ADR), + + .fifo_clk(clk_fpga), .fifo_rst(reset), + .rx_data(rx_data), .rx_src_rdy(rx_src_rdy), .rx_dst_rdy(rx_dst_rdy), + .tx_data(tx_data), .tx_src_rdy(tx_src_rdy), .tx_dst_rdy(tx_dst_rdy), + .ctrl_data(ctrl_data), .ctrl_src_rdy(ctrl_src_rdy), .ctrl_dst_rdy(ctrl_dst_rdy), + .resp_data(resp_data), .resp_src_rdy(resp_src_rdy), .resp_dst_rdy(resp_dst_rdy), + + .debug(gpif_debug)); + + //assign debug = gpif_debug; + assign debug = core_debug; endmodule // B100 diff --git a/usrp2/top/B100/core_compile b/usrp2/top/B100/core_compile index b62cbaee0..2192bfa94 100755 --- a/usrp2/top/B100/core_compile +++ b/usrp2/top/B100/core_compile @@ -1 +1 @@ -iverilog -Wall -y. -y ../../control_lib/ -y ../../custom/ -y ../../fifo/ -y ../../gpif/ -y ../../models/ -y ../../sdr_lib/ -y ../../coregen/ -y ../../vrt/ -y ../../opencores/i2c/rtl/verilog/ -y ../../opencores/spi/rtl/verilog/ -y ../../timing/ -y ../../opencores/8b10b/ -I ../../opencores/spi/rtl/verilog/ -I ../../opencores/i2c/rtl/verilog/ -y ../../simple_gemac u1plus_core.v 2>&1 | grep -v timescale | grep -v coregen | grep -v models +iverilog -Wall -y. -y ../../control_lib/ -y ../../custom/ -y ../../fifo/ -y ../../gpif/ -y ../../models/ -y ../../sdr_lib/ -y ../../coregen/ -y ../../vrt/ -y ../../opencores/i2c/rtl/verilog/ -y ../../opencores/spi/rtl/verilog/ -y ../../timing/ -y ../../opencores/8b10b/ -I ../../opencores/spi/rtl/verilog/ -I ../../opencores/i2c/rtl/verilog/ -y ../../simple_gemac B100.v 2>&1 | grep -v timescale | grep -v coregen | grep -v models diff --git a/usrp2/top/B100/timing.ucf b/usrp2/top/B100/timing.ucf index 96c47cf2c..c4404e1d0 100644 --- a/usrp2/top/B100/timing.ucf +++ b/usrp2/top/B100/timing.ucf @@ -5,10 +5,15 @@ NET "IFCLK" TNM_NET = "IFCLK"; TIMESPEC "TS_IFCLK" = PERIOD "IFCLK" 20833 ps HIGH 50 %; #constrain FX2 IO -NET "GPIF_D<*>" MAXDELAY = 5.5 ns; -NET "GPIF_CTL<*>" MAXDELAY = 5.5 ns; -NET "GPIF_ADR<*>" MAXDELAY = 5.5ns; -NET "GPIF_SLWR" MAXDELAY = 5.5 ns; -NET "GPIF_SLRD" MAXDELAY = 5.5 ns; -NET "GPIF_SLOE" MAXDELAY = 5.5 ns; -NET "GPIF_PKTEND" MAXDELAY = 5.5 ns; +INST "GPIF_D<*>" TNM = gpif_net_in; +INST "GPIF_CTL<*>" TNM = gpif_net_in; + +INST "GPIF_D<*>" TNM = gpif_net_out; +INST "GPIF_ADR<*>" TNM = gpif_net_out; +INST "GPIF_SLWR" TNM = gpif_net_out; +INST "GPIF_SLOE" TNM = gpif_net_out; +INST "GPIF_SLRD" TNM = gpif_net_out; +INST "GPIF_PKTEND" TNM = gpif_net_out; + +TIMEGRP "gpif_net_in" OFFSET = IN 7 ns VALID 14 ns BEFORE "IFCLK" RISING; +TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING; diff --git a/usrp2/top/B100/u1plus_core.v b/usrp2/top/B100/u1plus_core.v index e5af189cc..691ad1f75 100644 --- a/usrp2/top/B100/u1plus_core.v +++ b/usrp2/top/B100/u1plus_core.v @@ -18,435 +18,332 @@ module u1plus_core - (input clk_fpga, input rst_fpga, - output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk, - output debug_txd, input debug_rxd, - - // GPIF - inout [15:0] gpif_d, input [3:0] gpif_ctl, output gpif_sloe, - output gpif_slwr, output gpif_slrd, output gpif_pktend, output [1:0] gpif_fifoadr, - input gpif_clk, - +#( + parameter NUM_RX_DSPS = 2, + parameter CTRL_ACK_SID = 20, //needed for reply + + parameter DSP_TX_FIFOSIZE = 10, //4K MTU + parameter DSP_RX_FIFOSIZE = 10, //4K MTU + + parameter DSP_RX_XTRA_FIFOSIZE = 11, + parameter DSP_TX_XTRA_FIFOSIZE = 11, + + parameter USE_PACKET_PADDER = 0 +) + (input clk, input reset, + output [31:0] debug, output [1:0] debug_clk, + + // Host Interface + input [35:0] tx_data, input tx_src_rdy, output tx_dst_rdy, + output [35:0] rx_data, output rx_src_rdy, input rx_dst_rdy, + input [35:0] ctrl_data, input ctrl_src_rdy, output ctrl_dst_rdy, + output [35:0] resp_data, output resp_src_rdy, input resp_dst_rdy, + + output dsp_rx_run, output dsp_tx_run, output clock_sync, + inout db_sda, inout db_scl, - output sclk, output [15:0] sen, output mosi, input miso, + output sclk, output [7:0] sen, output mosi, input miso, - input cgen_st_status, input cgen_st_ld, input cgen_st_refmon, output cgen_sync_b, output cgen_ref_sel, - inout [15:0] io_tx, inout [15:0] io_rx, - output [13:0] tx_i, output [13:0] tx_q, - input [11:0] rx_i, input [11:0] rx_q, + inout [15:0] io_tx, inout [15:0] io_rx, + output [13:0] tx_i, output [13:0] tx_q, + input [11:0] rx_i, input [11:0] rx_q, input pps_in ); - localparam TXFIFOSIZE = 11; - localparam RXFIFOSIZE = 12; - - // 64 total regs in address space - localparam SR_RX_CTRL0 = 0; // 9 regs (+0 to +8) - localparam SR_RX_DSP0 = 10; // 4 regs (+0 to +3) - localparam SR_RX_CTRL1 = 16; // 9 regs (+0 to +8) - localparam SR_RX_DSP1 = 26; // 4 regs (+0 to +3) - localparam SR_TX_CTRL = 32; // 4 regs (+0 to +3) - localparam SR_TX_DSP = 38; // 3 regs (+0 to +2) - - localparam SR_TIME64 = 42; // 6 regs (+0 to +5) - localparam SR_RX_FRONT = 48; // 5 regs (+0 to +4) - localparam SR_TX_FRONT = 54; // 5 regs (+0 to +4) - - localparam SR_REG_TEST32 = 60; // 1 reg - localparam SR_CLEAR_FIFO = 61; // 1 reg - localparam SR_GLOBAL_RESET = 63; // 1 reg - localparam SR_USER_REGS = 64; // 2 regs - - localparam SR_GPIO = 128; // 5 regs - - wire wb_clk = clk_fpga; - wire wb_rst, global_reset; - - wire pps_int; - wire [63:0] vita_time, vita_time_pps; - reg [15:0] reg_cgen_ctrl, reg_test; - - wire [7:0] set_addr, set_addr_user; - wire [31:0] set_data, set_data_user; - wire set_stb, set_stb_user; - - wire [31:0] debug0; - wire [31:0] debug1; - - wire [31:0] debug_vt; - wire gpif_rst; - - reg [7:0] frames_per_packet; - - wire rx_overrun_dsp0, rx_overrun_dsp1, rx_overrun_gpif, tx_underrun_dsp, tx_underrun_gpif; - wire rx_overrun = rx_overrun_gpif | rx_overrun_dsp0 | rx_overrun_dsp1; - wire tx_underrun = tx_underrun_gpif | tx_underrun_dsp; - - setting_reg #(.my_addr(SR_GLOBAL_RESET), .width(1)) sr_reset - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(global_reset)); - - reset_sync reset_sync_wb(.clk(wb_clk), .reset_in(rst_fpga | global_reset), .reset_out(wb_rst)); - reset_sync reset_sync_gp(.clk(gpif_clk), .reset_in(rst_fpga | global_reset), .reset_out(gpif_rst)); - - // ///////////////////////////////////////////////////////////////////////////////////// - // GPIF Slave to Wishbone Master - localparam dw = 16; - localparam aw = 11; - localparam sw = 2; - - wire [dw-1:0] m0_dat_mosi, m0_dat_miso; - wire [aw-1:0] m0_adr; - wire [sw-1:0] m0_sel; - wire m0_cyc, m0_stb, m0_we, m0_ack, m0_err, m0_rty; - - wire [31:0] debug_gpif; - - wire [35:0] tx_data, rx_data, tx_err_data; - wire tx_src_rdy, tx_dst_rdy, rx_src_rdy, rx_dst_rdy, - tx_err_src_rdy, tx_err_dst_rdy; - - wire clear_fifo; - - setting_reg #(.my_addr(SR_CLEAR_FIFO), .width(1)) sr_clear_fifo - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(clear_fifo)); - - wire run_rx0, run_rx1; - - slave_fifo #(.TXFIFOSIZE(TXFIFOSIZE), .RXFIFOSIZE(RXFIFOSIZE)) - slave_fifo (.gpif_clk(gpif_clk), .gpif_rst(gpif_rst), .gpif_d(gpif_d), - .gpif_ctl(gpif_ctl), .sloe(gpif_sloe), .slwr(gpif_slwr), .slrd(gpif_slrd), - .pktend(gpif_pktend), .fifoadr(gpif_fifoadr), - - .wb_clk(wb_clk), .wb_rst(wb_rst), - .wb_adr_o(m0_adr), .wb_dat_mosi(m0_dat_mosi), .wb_dat_miso(m0_dat_miso), - .wb_sel_o(m0_sel), .wb_cyc_o(m0_cyc), .wb_stb_o(m0_stb), .wb_we_o(m0_we), - .wb_ack_i(m0_ack), .triggers(8'd0), - - .dsp_rx_run(run_rx0 | run_rx1), - - .fifo_clk(wb_clk), .fifo_rst(wb_rst), .clear_tx(clear_fifo), .clear_rx(clear_fifo), - .tx_data_o(tx_data), .tx_src_rdy_o(tx_src_rdy), .tx_dst_rdy_i(tx_dst_rdy), - .rx_data_i(rx_data), .rx_src_rdy_i(rx_src_rdy), .rx_dst_rdy_o(rx_dst_rdy), - .tx_err_data_i(tx_err_data), .tx_err_src_rdy_i(tx_err_src_rdy), .tx_err_dst_rdy_o(tx_err_dst_rdy), - - .tx_underrun(tx_underrun_gpif), .rx_overrun(rx_overrun_gpif), - - .test_len(0), .test_rate(0), .test_ctrl(0), - .debug0(debug0), .debug1(debug1)); + localparam SR_MISC = 0; // 5 + localparam SR_USER_REGS = 5; // 2 + localparam SR_PADDER = 10; // 2 + + localparam SR_TX_CTRL = 32; // 6 + localparam SR_TX_DSP = 40; // 5 + localparam SR_TX_FE = 48; // 5 + + localparam SR_RX_CTRL0 = 96; // 9 + localparam SR_RX_DSP0 = 106; // 7 + localparam SR_RX_FE = 114; // 5 + + localparam SR_RX_CTRL1 = 128; // 9 + localparam SR_RX_DSP1 = 138; // 7 + + localparam SR_TIME64 = 192; // 6 + localparam SR_SPI = 208; // 3 + localparam SR_I2C = 216; // 1 + localparam SR_GPIO = 224; // 5 + + //compatibility number -> increment when the fpga has been sufficiently altered + localparam compat_num = {16'd11, 16'd0}; //major, minor + + //assign run signals used for ATR logic + wire [NUM_RX_DSPS-1:0] run_rx_n; + wire run_tx; + wire run_rx = |(run_rx_n); + assign dsp_rx_run = run_rx; + assign dsp_tx_run = run_tx; + + //shared time core signals + wire [63:0] vita_time, vita_time_pps; + + //shared settings bus signals + wire set_stb, set_stb_user; + wire [31:0] set_data, set_data_user; + wire [7:0] set_addr, set_addr_user; + + //shared SPI core signals + wire [31:0] spi_readback; + wire spi_ready; + + //shared I2C core signals + wire [31:0] i2c_readback; + wire i2c_ready; + + //shared GPIO core signals + wire [31:0] gpio_readback; + + /////////////////////////////////////////////////////////////////////////// + // Misc Registers - persistent across resets + /////////////////////////////////////////////////////////////////////////// + wire [31:0] config_word0; + setting_reg #(.my_addr(SR_MISC+0), .width(32)) sr_misc_config0 + (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word0)); + wire [31:0] config_word1; + setting_reg #(.my_addr(SR_MISC+1), .width(32)) sr_misc_config1 + (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word1)); + + /////////////////////////////////////////////////////////////////////////// + // Settings Bus and Readback + /////////////////////////////////////////////////////////////////////////// + user_settings #(.BASE(SR_USER_REGS)) user_settings + (.clk(clk),.rst(reset), + .set_stb(set_stb), .set_addr(set_addr),.set_data(set_data), + .set_addr_user(set_addr_user),.set_data_user(set_data_user), .set_stb_user(set_stb_user) ); + + wire [35:0] ctrl_out_data, ctrl_int_data; + wire ctrl_out_src_rdy, ctrl_out_dst_rdy; + wire ctrl_int_src_rdy, ctrl_int_dst_rdy; + + fifo_cascade #(.WIDTH(36), .SIZE(9)) ctrl_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(ctrl_data), .src_rdy_i(ctrl_src_rdy), .dst_rdy_o(ctrl_dst_rdy), .space(), + .dataout(ctrl_int_data), .src_rdy_o(ctrl_int_src_rdy), .dst_rdy_i(ctrl_int_dst_rdy), .occupied()); + + wire [31:0] num_rx_dsps_rb = NUM_RX_DSPS; + + wire [31:0] sfc_debug; + settings_fifo_ctrl #(.PROT_HDR(0), .ACK_SID(CTRL_ACK_SID), .XPORT_HDR(0)) sfc + ( + .clock(clk), .reset(reset), .clear(1'b0), + .vita_time(vita_time), .perfs_ready(spi_ready & i2c_ready), + .in_data(ctrl_int_data), .in_valid(ctrl_int_src_rdy), .in_ready(ctrl_int_dst_rdy), + .out_data(ctrl_out_data), .out_valid(ctrl_out_src_rdy), .out_ready(ctrl_out_dst_rdy), + .strobe(set_stb), .addr(set_addr), .data(set_data), + .word00(spi_readback),.word01(compat_num),.word02(i2c_readback),.word03(gpio_readback), + .word04(config_word0),.word05(config_word1),.word06(num_rx_dsps_rb),.word07(32'hffff_ffff), + .word08(32'hffff_ffff),.word09(32'hffff_ffff),.word10(vita_time[63:32]), + .word11(vita_time[31:0]),.word12(32'hffff_ffff),.word13(32'hffff_ffff), + .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0]), + .debug(sfc_debug) + ); + + /////////////////////////////////////////////////////////////////////////// + // Time Core + /////////////////////////////////////////////////////////////////////////// + time_64bit #(.BASE(SR_TIME64)) time_64bit + (.clk(clk), .rst(reset), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), + .exp_time_in(0)); + assign clock_sync = 1'b0; + + /////////////////////////////////////////////////////////////////////////// + // SPI Core + /////////////////////////////////////////////////////////////////////////// + simple_spi_core #(.BASE(SR_SPI), .WIDTH(8), .CLK_IDLE(0), .SEN_IDLE(8'hff)) + simple_spi_core (.clock(clk), .reset(reset), + .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .readback(spi_readback), .ready(spi_ready), + .sen(sen), .sclk(sclk), .mosi(mosi), .miso(miso)); + + /////////////////////////////////////////////////////////////////////////// + // I2C Core + /////////////////////////////////////////////////////////////////////////// + wire scl_pad_i, scl_pad_o, scl_pad_oen_o, sda_pad_i, sda_pad_o, sda_pad_oen_o; + simple_i2c_core #(.BASE(SR_I2C)) i2c_core + (.clock(clk),.reset(reset), + .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), + .readback(i2c_readback), .ready(i2c_ready), + .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), + .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); + + // I2C -- Don't use external transistors for open drain, the FPGA implements this + IOBUF scl_pin(.O(scl_pad_i), .IO(db_scl), .I(scl_pad_o), .T(scl_pad_oen_o)); + IOBUF sda_pin(.O(sda_pad_i), .IO(db_sda), .I(sda_pad_o), .T(sda_pad_oen_o)); + + /////////////////////////////////////////////////////////////////////////// + // GPIO Core + /////////////////////////////////////////////////////////////////////////// + gpio_atr #(.BASE(SR_GPIO), .WIDTH(32)) + gpio_atr(.clk(clk),.reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .rx(run_rx), .tx(run_tx), .gpio({io_tx, io_rx}), .gpio_readback(gpio_readback) ); // ///////////////////////////////////////////////////////////////////////// // RX ADC Frontend, does IQ Balance, DC Offset, muxing wire [23:0] rx_fe_i, rx_fe_q; // 24 bits is total overkill here, but it matches u2/u2p - rx_frontend #(.BASE(SR_RX_FRONT)) rx_frontend - (.clk(wb_clk),.rst(wb_rst), + rx_frontend #(.BASE(SR_RX_FE)) rx_frontend + (.clk(clk),.rst(reset), .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(rx_fe_i), .q_out(rx_fe_q), .run(run_rx0 | run_rx1), .debug()); - - // ///////////////////////////////////////////////////////////////////////// - // DSP RX 0 - - wire [31:0] sample_rx0; - wire strobe_rx0, clear_rx0; - wire [35:0] vita_rx_data0; - wire vita_rx_src_rdy0, vita_rx_dst_rdy0; - - ddc_chain #(.BASE(SR_RX_DSP0), .DSPNO(0)) ddc_chain0 - (.clk(wb_clk), .rst(wb_rst), .clr(clear_rx0), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), - .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), - .debug() ); + .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx), .debug()); - vita_rx_chain #(.BASE(SR_RX_CTRL0), .UNIT(0), .FIFOSIZE(10), .PROT_ENG_FLAGS(0), .DSP_NUMBER(0)) vita_rx_chain0 - (.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), .overrun(rx_overrun_dsp0), - .sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0), .clear_o(clear_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, clear_rx1; - wire [35:0] vita_rx_data1; - wire vita_rx_src_rdy1, vita_rx_dst_rdy1; - - ddc_chain #(.BASE(SR_RX_DSP1), .DSPNO(1)) ddc_chain1 - (.clk(wb_clk),.rst(wb_rst), .clr(clear_rx1), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), - .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), - .debug() ); - - vita_rx_chain #(.BASE(SR_RX_CTRL1), .UNIT(1), .FIFOSIZE(10), .PROT_ENG_FLAGS(0), .DSP_NUMBER(1)) vita_rx_chain1 - (.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), .overrun(rx_overrun_dsp1), - .sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1), .clear_o(clear_rx1), - .rx_data_o(vita_rx_data1), .rx_dst_rdy_i(vita_rx_dst_rdy1), .rx_src_rdy_o(vita_rx_src_rdy1), - .debug() ); + // DSP RX * + + wire [35:0] rx_int2_data [NUM_RX_DSPS-1:0]; + wire rx_int2_src_rdy [NUM_RX_DSPS-1:0]; + wire rx_int2_dst_rdy [NUM_RX_DSPS-1:0]; + + genvar dspno; + generate + for(dspno = 0; dspno < NUM_RX_DSPS; dspno = dspno + 1) begin:gen_rx_dsps + + wire [31:0] sample_rx; + wire strobe_rx, clear_rx; + wire [35:0] vita_rx_data; + wire vita_rx_src_rdy, vita_rx_dst_rdy; + wire [35:0] int_rx_data; + wire int_rx_src_rdy, int_rx_dst_rdy; + + ddc_chain #(.BASE(SR_RX_DSP0+dspno*32), .DSPNO(dspno)) ddc_chain + (.clk(clk), .rst(reset), .clr(clear_rx), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), + .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), + .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), + .debug() ); + + vita_rx_chain #(.BASE(SR_RX_CTRL0+dspno*32), .UNIT(dspno), .FIFOSIZE(DSP_RX_FIFOSIZE), .PROT_ENG_FLAGS(0), .DSP_NUMBER(dspno)) vita_rx_chain + (.clk(clk),.reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), + .vita_time(vita_time), .overrun(), + .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), .clear_o(clear_rx), + .rx_data_o(vita_rx_data), .rx_dst_rdy_i(vita_rx_dst_rdy), .rx_src_rdy_o(vita_rx_src_rdy), + .debug() ); + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE+1)) rx_data_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(vita_rx_data), .src_rdy_i(vita_rx_src_rdy), .dst_rdy_o(vita_rx_dst_rdy), .space(), + .dataout(int_rx_data), .src_rdy_o(int_rx_src_rdy), .dst_rdy_i(int_rx_dst_rdy), .occupied()); + + if (dspno == 0) begin + assign rx_int2_data[dspno] = int_rx_data; + assign rx_int2_src_rdy[dspno] = int_rx_src_rdy; + assign int_rx_dst_rdy = rx_int2_dst_rdy[dspno]; + end + else begin + fifo36_mux #(.prio(0)) // No priority, fair sharing + combine_rx_dsps ( + .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), + .data0_i(rx_int2_data[dspno-1]), .src0_rdy_i(rx_int2_src_rdy[dspno-1]), .dst0_rdy_o(rx_int2_dst_rdy[dspno-1]), + .data1_i(int_rx_data), .src1_rdy_i(int_rx_src_rdy), .dst1_rdy_o(int_rx_dst_rdy), + .data_o(rx_int2_data[dspno]), .src_rdy_o(rx_int2_src_rdy[dspno]), .dst_rdy_i(rx_int2_dst_rdy[dspno]) + ); + end + + end + endgenerate // ///////////////////////////////////////////////////////////////////////// // RX Stream muxing - fifo36_mux #(.prio(0)) mux_data_streams - (.clk(wb_clk), .reset(wb_rst), .clear(clear_fifo), - .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)); + wire [35:0] rx_int3_data; + wire rx_int3_src_rdy, rx_int3_dst_rdy; + + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_XTRA_FIFOSIZE)) rx_data_fifo_combined + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(rx_int2_data[NUM_RX_DSPS-1]), .src_rdy_i(rx_int2_src_rdy[NUM_RX_DSPS-1]), .dst_rdy_o(rx_int2_dst_rdy[NUM_RX_DSPS-1]), .space(), + .dataout(rx_int3_data), .src_rdy_o(rx_int3_src_rdy), .dst_rdy_i(rx_int3_dst_rdy), .occupied()); + + generate + if (USE_PACKET_PADDER) begin + packet_padder36 #(.BASE(SR_PADDER)) packet_padder_rx_data36( + .clk(clk), .reset(reset), + .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), + .data_i(rx_int3_data), .src_rdy_i(rx_int3_src_rdy), .dst_rdy_o(rx_int3_dst_rdy), + .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy), + .always_flush(~dsp_rx_run)); + end + else begin + assign rx_data = rx_int3_data; + assign rx_src_rdy = rx_int3_src_rdy; + assign rx_int3_dst_rdy = rx_dst_rdy; + end + endgenerate + + /////////////////////////////////////////////////////////////////////////// + // MUX for TX async and resp data + /////////////////////////////////////////////////////////////////////////// + wire [35:0] tx_err_data, resp_data_int; + wire tx_err_src_rdy, resp_src_rdy_int; + wire tx_err_dst_rdy, resp_dst_rdy_int; + + fifo36_mux #(.prio(0)) // No priority, fair sharing + combine_async_and_resp ( + .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), + .data0_i(ctrl_out_data), .src0_rdy_i(ctrl_out_src_rdy), .dst0_rdy_o(ctrl_out_dst_rdy), + .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy), + .data_o(resp_data_int), .src_rdy_o(resp_src_rdy_int), .dst_rdy_i(resp_dst_rdy_int) + ); + + fifo_cascade #(.WIDTH(36), .SIZE(9)) resp_fifo + (.clk(clk), .reset(reset), .clear(1'b0), + .datain(resp_data_int), .src_rdy_i(resp_src_rdy_int), .dst_rdy_o(resp_dst_rdy_int), .space(), + .dataout(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy), .occupied()); // /////////////////////////////////////////////////////////////////////////////////// // DSP TX - wire run_tx; wire [23:0] tx_fe_i, tx_fe_q; wire [31:0] sample_tx; wire strobe_tx, clear_tx; - vita_tx_chain #(.BASE(SR_TX_CTRL), .FIFOSIZE(10), .POST_ENGINE_FIFOSIZE(11), + vita_tx_chain #(.BASE(SR_TX_CTRL), + .FIFOSIZE(DSP_TX_FIFOSIZE), + .POST_ENGINE_FIFOSIZE(DSP_TX_XTRA_FIFOSIZE), .REPORT_ERROR(1), .DO_FLOW_CONTROL(0), .PROT_ENG_FLAGS(0), .USE_TRANS_HEADER(0), - .DSP_NUMBER(0)) + .DSP_NUMBER(0)) vita_tx_chain - (.clk(wb_clk), .reset(wb_rst), + (.clk(clk), .reset(reset), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), .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), .sample(sample_tx), .strobe(strobe_tx), - .underrun(tx_underrun_dsp), .run(run_tx), .clear_o(clear_tx), - .debug(debug_vt)); + .underrun(), .run(run_tx), .clear_o(clear_tx), + .debug()); duc_chain #(.BASE(SR_TX_DSP), .DSPNO(0)) duc_chain - (.clk(wb_clk), .rst(wb_rst), .clr(clear_tx), + (.clk(clk), .rst(reset), .clr(clear_tx), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), .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), .WIDTH_OUT(14)) tx_frontend - (.clk(wb_clk), .rst(wb_rst), + tx_frontend #(.BASE(SR_TX_FE), .WIDTH_OUT(14)) tx_frontend + (.clk(clk), .rst(reset), .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), .tx_i(tx_fe_i), .tx_q(tx_fe_q), .run(1'b1), .dac_a(tx_i), .dac_b(tx_q)); // ///////////////////////////////////////////////////////////////////////////////////// - // Wishbone Intercon, single master - wire [dw-1:0] s0_dat_mosi, s1_dat_mosi, s0_dat_miso, s1_dat_miso, s2_dat_mosi, s3_dat_mosi, s2_dat_miso, s3_dat_miso, - s4_dat_mosi, s5_dat_mosi, s4_dat_miso, s5_dat_miso, s6_dat_mosi, s7_dat_mosi, s6_dat_miso, s7_dat_miso, - s8_dat_mosi, s9_dat_mosi, s8_dat_miso, s9_dat_miso, sa_dat_mosi, sb_dat_mosi, sa_dat_miso, sb_dat_miso, - sc_dat_mosi, sd_dat_mosi, sc_dat_miso, sd_dat_miso, se_dat_mosi, sf_dat_mosi, se_dat_miso, sf_dat_miso; - wire [aw-1:0] s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr; - wire [aw-1:0] s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr, sf_adr; - wire [sw-1:0] s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel; - wire [sw-1:0] s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel, sf_sel; - wire s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack; - wire s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack, sf_ack; - wire s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb; - wire s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb, sf_stb; - wire s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc; - wire s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc, sf_cyc; - wire s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we; - wire s8_we,s9_we,sa_we,sb_we,sc_we,sd_we, se_we, sf_we; - - wb_1master #(.dw(dw), .aw(aw), .sw(sw), .decode_w(4), - .s0_addr(4'h0), .s0_mask(4'hF), // Misc Regs - .s1_addr(4'h1), .s1_mask(4'hF), // Unused - .s2_addr(4'h2), .s2_mask(4'hF), // SPI - .s3_addr(4'h3), .s3_mask(4'hF), // I2C - .s4_addr(4'h4), .s4_mask(4'hF), // Unused - .s5_addr(4'h5), .s5_mask(4'hF), // Unused on B1x0, Async Msg on E1x0 - .s6_addr(4'h6), .s6_mask(4'hF), // Unused - .s7_addr(4'h7), .s7_mask(4'hF), // Readback MUX - .s8_addr(4'h8), .s8_mask(4'h8), // Setting Regs -- slave 8 is 8 slaves wide - // slaves 9-f alias to slave 1, all are unused - .s9_addr(4'h1), .s9_mask(4'hF), - .sa_addr(4'h1), .sa_mask(4'hF), .sb_addr(4'h1), .sb_mask(4'hF), - .sc_addr(4'h1), .sc_mask(4'hF), .sd_addr(4'h1), .sd_mask(4'hF), - .se_addr(4'h1), .se_mask(4'hF), .sf_addr(4'h1), .sf_mask(4'hF)) - wb_1master - (.clk_i(wb_clk),.rst_i(wb_rst), - .m0_dat_o(m0_dat_miso),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_mosi), - .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb), - .s0_dat_o(s0_dat_mosi),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o(s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb), - .s0_dat_i(s0_dat_miso),.s0_ack_i(s0_ack),.s0_err_i(0),.s0_rty_i(0), - .s1_dat_o(s1_dat_mosi),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o(s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb), - .s1_dat_i(s1_dat_miso),.s1_ack_i(s1_ack),.s1_err_i(0),.s1_rty_i(0), - .s2_dat_o(s2_dat_mosi),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o(s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb), - .s2_dat_i(s2_dat_miso),.s2_ack_i(s2_ack),.s2_err_i(0),.s2_rty_i(0), - .s3_dat_o(s3_dat_mosi),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o(s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb), - .s3_dat_i(s3_dat_miso),.s3_ack_i(s3_ack),.s3_err_i(0),.s3_rty_i(0), - .s4_dat_o(s4_dat_mosi),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o(s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb), - .s4_dat_i(s4_dat_miso),.s4_ack_i(s4_ack),.s4_err_i(0),.s4_rty_i(0), - .s5_dat_o(s5_dat_mosi),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o(s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb), - .s5_dat_i(s5_dat_miso),.s5_ack_i(s5_ack),.s5_err_i(0),.s5_rty_i(0), - .s6_dat_o(s6_dat_mosi),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o(s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb), - .s6_dat_i(s6_dat_miso),.s6_ack_i(s6_ack),.s6_err_i(0),.s6_rty_i(0), - .s7_dat_o(s7_dat_mosi),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o(s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb), - .s7_dat_i(s7_dat_miso),.s7_ack_i(s7_ack),.s7_err_i(0),.s7_rty_i(0), - .s8_dat_o(s8_dat_mosi),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o(s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb), - .s8_dat_i(s8_dat_miso),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0), - .s9_dat_o(s9_dat_mosi),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o(s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb), - .s9_dat_i(s9_dat_miso),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0), - .sa_dat_o(sa_dat_mosi),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb), - .sa_dat_i(sa_dat_miso),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0), - .sb_dat_o(sb_dat_mosi),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb), - .sb_dat_i(sb_dat_miso),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0), - .sc_dat_o(sc_dat_mosi),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb), - .sc_dat_i(sc_dat_miso),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0), - .sd_dat_o(sd_dat_mosi),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb), - .sd_dat_i(sd_dat_miso),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0), - .se_dat_o(se_dat_mosi),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb), - .se_dat_i(se_dat_miso),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0), - .sf_dat_o(sf_dat_mosi),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb), - .sf_dat_i(sf_dat_miso),.sf_ack_i(sf_ack),.sf_err_i(0),.sf_rty_i(0) ); - - assign s1_ack = 0; assign s4_ack = 0; assign s5_ack = 0; assign s6_ack = 0; - assign s9_ack = 0; assign sa_ack = 0; assign sb_ack = 0; - assign sc_ack = 0; assign sd_ack = 0; assign se_ack = 0; assign sf_ack = 0; - - // ///////////////////////////////////////////////////////////////////////////////////// - // Slave 0, Misc LEDs, Switches, controls - - localparam REG_CGEN_CTRL = 7'd4; // out - localparam REG_CGEN_ST = 7'd6; // in - localparam REG_TEST = 7'd8; // out - localparam REG_RX_FRAMELEN = 7'd10; // in - localparam REG_TX_FRAMELEN = 7'd12; // out - - always @(posedge wb_clk) - if(wb_rst) - begin - reg_cgen_ctrl <= 2'b11; - reg_test <= 0; - frames_per_packet <= 0; - end - else - if(s0_cyc & s0_stb & s0_we) - case(s0_adr[6:0]) - REG_CGEN_CTRL : - reg_cgen_ctrl <= s0_dat_mosi; - REG_TEST : - reg_test <= s0_dat_mosi; - REG_RX_FRAMELEN : - frames_per_packet <= s0_dat_mosi[7:0]; - endcase // case (s0_adr[6:0]) - - assign debug_led = {run_tx, (run_rx0 | run_rx1), cgen_st_ld}; - assign { cgen_sync_b, cgen_ref_sel } = reg_cgen_ctrl; - - assign s0_dat_miso = (s0_adr[6:0] == REG_CGEN_CTRL) ? reg_cgen_ctrl : - (s0_adr[6:0] == REG_CGEN_ST) ? {13'b0,cgen_st_status,cgen_st_ld,cgen_st_refmon} : - (s0_adr[6:0] == REG_TEST) ? reg_test : - 16'hBEEF; - - assign s0_ack = s0_stb & s0_cyc; - - // ///////////////////////////////////////////////////////////////////////////////////// - // Slave 2, SPI - - spi_top16 shared_spi - (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr[4:0]),.wb_dat_i(s2_dat_mosi), - .wb_dat_o(s2_dat_miso),.wb_sel_i(s2_sel),.wb_we_i(s2_we),.wb_stb_i(s2_stb), - .wb_cyc_i(s2_cyc),.wb_ack_o(s2_ack),.wb_err_o(),.wb_int_o(), - .ss_pad_o(sen), .sclk_pad_o(sclk), .mosi_pad_o(mosi), .miso_pad_i(miso) ); - - // ///////////////////////////////////////////////////////////////////////// - // Slave 3, I2C - - wire scl_pad_i, scl_pad_o, scl_pad_oen_o, sda_pad_i, sda_pad_o, sda_pad_oen_o; - i2c_master_top #(.ARST_LVL(1)) i2c - (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0), - .wb_adr_i(s3_adr[3:1]),.wb_dat_i(s3_dat_mosi[7:0]),.wb_dat_o(s3_dat_miso[7:0]), - .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc), - .wb_ack_o(s3_ack),.wb_inta_o(), - .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), - .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); - - assign s3_dat_miso[15:8] = 8'd0; - - // I2C -- Don't use external transistors for open drain, the FPGA implements this - IOBUF scl_pin(.O(scl_pad_i), .IO(db_scl), .I(scl_pad_o), .T(scl_pad_oen_o)); - IOBUF sda_pin(.O(sda_pad_i), .IO(db_sda), .I(sda_pad_o), .T(sda_pad_oen_o)); - - // ///////////////////////////////////////////////////////////////////////// - // GPIOs - - wire [31:0] gpio_readback; - - gpio_atr #(.BASE(SR_GPIO), .WIDTH(32)) - gpio_atr(.clk(wb_clk),.reset(wb_rst), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .rx(run_rx0 | run_rx1), .tx(run_tx), - .gpio({io_tx,io_rx}), .gpio_readback(gpio_readback) ); - - // ///////////////////////////////////////////////////////////////////////// - // Settings Bus -- Slave #8 + 9 - - // only have 64 regs, 32 bits each with current setup... - settings_bus_16LE #(.AWIDTH(11),.RWIDTH(8)) settings_bus_16LE - (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s8_adr),.wb_dat_i(s8_dat_mosi), - .wb_stb_i(s8_stb),.wb_we_i(s8_we),.wb_ack_o(s8_ack), - .strobe(set_stb),.addr(set_addr),.data(set_data) ); - - user_settings #(.BASE(SR_USER_REGS)) user_settings - (.clk(wb_clk),.rst(wb_rst),.set_stb(set_stb), - .set_addr(set_addr),.set_data(set_data), - .set_addr_user(set_addr_user),.set_data_user(set_data_user), - .set_stb_user(set_stb_user) ); - - // ///////////////////////////////////////////////////////////////////////// - // Readback mux 32 -- Slave #7 - - //compatibility number -> increment when the fpga has been sufficiently altered - localparam compat_num = {16'd10, 16'd0}; //major, minor - - wire [31:0] reg_test32; - - setting_reg #(.my_addr(SR_REG_TEST32)) sr_reg_test32 - (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(reg_test32),.changed()); - - wb_readback_mux_16LE readback_mux_32 - (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s7_stb), - .wb_adr_i({5'b0,s7_adr}), .wb_dat_o(s7_dat_miso), .wb_ack_o(s7_ack), - - .word00(vita_time[63:32]), .word01(vita_time[31:0]), - .word02(vita_time_pps[63:32]), .word03(vita_time_pps[31:0]), - .word04(reg_test32), .word05(32'b0), - .word06(compat_num), .word07(gpio_readback), - .word08(32'b0), .word09(32'b0), - .word10(32'b0), .word11(32'b0), - .word12(32'b0), .word13(32'b0), - .word14(32'b0), .word15(32'b0) - ); - - // ///////////////////////////////////////////////////////////////////////// - // VITA Timing - - time_64bit #(.BASE(SR_TIME64)) time_64bit - (.clk(wb_clk), .rst(wb_rst), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), .pps_int(pps_int), - .exp_time_in(0)); - - // ///////////////////////////////////////////////////////////////////////////////////// // Debug circuitry - assign debug_clk = 2'b00; // { gpif_clk, clk_fpga }; - assign debug = 0; - + assign debug_clk = 2'b11; + assign debug = 32'hffffffff; + endmodule // u1plus_core |