diff options
Diffstat (limited to 'fpga/usrp2/top')
| -rw-r--r-- | fpga/usrp2/top/B100/B100.v | 78 | ||||
| -rw-r--r-- | fpga/usrp2/top/B100/Makefile | 14 | ||||
| -rwxr-xr-x | fpga/usrp2/top/B100/core_compile | 2 | ||||
| -rw-r--r-- | fpga/usrp2/top/B100/timing.ucf | 19 | ||||
| -rw-r--r-- | fpga/usrp2/top/B100/u1plus.ucf | 203 | ||||
| -rw-r--r-- | fpga/usrp2/top/B100/u1plus.v | 173 | ||||
| -rw-r--r-- | fpga/usrp2/top/B100/u1plus_core.v | 655 | 
7 files changed, 348 insertions, 796 deletions
| diff --git a/fpga/usrp2/top/B100/B100.v b/fpga/usrp2/top/B100/B100.v index dcda974b4..cb4efa4fa 100644 --- a/fpga/usrp2/top/B100/B100.v +++ b/fpga/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/fpga/usrp2/top/B100/Makefile b/fpga/usrp2/top/B100/Makefile deleted file mode 100644 index 3ddef1024..000000000 --- a/fpga/usrp2/top/B100/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Copyright 2011 Ettus Research LLC -# - -all: B100 -	find -name "*.twr" | xargs grep constraint | grep met - -clean: -	rm -rf build* - -B100: -	make -f Makefile.$@ bin - -.PHONY: all clean diff --git a/fpga/usrp2/top/B100/core_compile b/fpga/usrp2/top/B100/core_compile index b62cbaee0..2192bfa94 100755 --- a/fpga/usrp2/top/B100/core_compile +++ b/fpga/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/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf index 96c47cf2c..c4404e1d0 100644 --- a/fpga/usrp2/top/B100/timing.ucf +++ b/fpga/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/fpga/usrp2/top/B100/u1plus.ucf b/fpga/usrp2/top/B100/u1plus.ucf deleted file mode 100644 index 3ecc4daf2..000000000 --- a/fpga/usrp2/top/B100/u1plus.ucf +++ /dev/null @@ -1,203 +0,0 @@ -## Main Clock -NET "CLK_FPGA_P"  LOC = "R7"  ; -NET "CLK_FPGA_N"  LOC = "T7"  ; - -## UART -NET "FPGA_TXD"  LOC = "H16"  ; -NET "FPGA_RXD"  LOC = "H12"  ; - -## I2C -NET "SDA_FPGA"  LOC = "T13"  ; -NET "SCL_FPGA"  LOC = "R13"  ; - -## CGEN -NET "cgen_st_ld"  LOC = "M13"  ; -NET "cgen_st_refmon"  LOC = "J14"  ; -NET "cgen_st_status"  LOC = "P6"  ; -NET "cgen_ref_sel"  LOC = "T2"  ; -NET "cgen_sync_b"  LOC = "H15"  ; - -## FPGA Config -#NET "fpga_cfg_din"  LOC = "T14"  ; -#NET "fpga_cfg_cclk"  LOC = "R14"  ; -#NET "fpga_cfg_init_b"  LOC = "T12"  ; - -## MISC -#NET "mystery_bus<2>"  LOC = "T11"  ; -#NET "mystery_bus<1>"  LOC = "C4"  ; -#NET "mystery_bus<0>"  LOC = "E7"  ; -NET "reset_n"  LOC = "D5"  ; -NET "PPS_IN"  LOC = "M14"  ; -NET "reset_codec"  LOC = "B14"  ; - -## GPIF -NET "GPIF_D<15>"  LOC = "P7"  ; -NET "GPIF_D<14>"  LOC = "N8"  ; -NET "GPIF_D<13>"  LOC = "T5"  ; -NET "GPIF_D<12>"  LOC = "T6"  ; -NET "GPIF_D<11>"  LOC = "N6"  ; -NET "GPIF_D<10>"  LOC = "P5"  ; -NET "GPIF_D<9>"  LOC = "R3"  ; -NET "GPIF_D<8>"  LOC = "T3"  ; -NET "GPIF_D<7>"  LOC = "N12"  ; -NET "GPIF_D<6>"  LOC = "P13"  ; -NET "GPIF_D<5>"  LOC = "P11"  ; -NET "GPIF_D<4>"  LOC = "R9"  ; -NET "GPIF_D<3>"  LOC = "T9"  ; -NET "GPIF_D<2>"  LOC = "N9"  ; -NET "GPIF_D<1>"  LOC = "P9"  ; -NET "GPIF_D<0>"  LOC = "P8"  ; - -NET "GPIF_CTL<3>"  LOC = "N5"  ; -NET "GPIF_CTL<2>"  LOC = "M11"  ; -NET "GPIF_CTL<1>"  LOC = "M9"  ; -NET "GPIF_CTL<0>"  LOC = "M7"  ; - -NET "GPIF_RDY<3>"  LOC = "N11"  ; -NET "GPIF_RDY<2>"  LOC = "T10"  ; -NET "GPIF_RDY<1>"  LOC = "T4"  ; -NET "GPIF_RDY<0>"  LOC = "R5"  ; - -NET "FX2_PA7_FLAGD"  LOC = "P12"  ; -NET "FX2_PA6_PKTEND"  LOC = "R11"  ; -NET "FX2_PA2_SLOE"  LOC = "P10"  ; - -NET "IFCLK"  LOC = "T8"  ; - -## LEDs -NET "debug_led<2>"  LOC = "R2"  ; -NET "debug_led<1>"  LOC = "N4"  ; -NET "debug_led<0>"  LOC = "P4"  ; - -## Debug bus -NET "debug_clk<0>"  LOC = "K15"  ; -NET "debug_clk<1>"  LOC = "K14"  ; -NET "debug<0>"  LOC = "K16"  ; -NET "debug<1>"  LOC = "J16"  ; -NET "debug<2>"  LOC = "C16"  ; -NET "debug<3>"  LOC = "C15"  ; -NET "debug<4>"  LOC = "E13"  ; -NET "debug<5>"  LOC = "D14"  ; -NET "debug<6>"  LOC = "D16"  ; -NET "debug<7>"  LOC = "D15"  ; -NET "debug<8>"  LOC = "E14"  ; -NET "debug<9>"  LOC = "F13"  ; -NET "debug<10>"  LOC = "G13"  ; -NET "debug<11>"  LOC = "F14"  ; -NET "debug<12>"  LOC = "E16"  ; -NET "debug<13>"  LOC = "F15"  ; -NET "debug<14>"  LOC = "H13"  ; -NET "debug<15>"  LOC = "G14"  ; -NET "debug<16>"  LOC = "G16"  ; -NET "debug<17>"  LOC = "F16"  ; -NET "debug<18>"  LOC = "J12"  ; -NET "debug<19>"  LOC = "J13"  ; -NET "debug<20>"  LOC = "L14"  ; -NET "debug<21>"  LOC = "L16"  ; -NET "debug<22>"  LOC = "M15"  ; -NET "debug<23>"  LOC = "M16"  ; -NET "debug<24>"  LOC = "L13"  ; -NET "debug<25>"  LOC = "K13"  ; -NET "debug<26>"  LOC = "P16"  ; -NET "debug<27>"  LOC = "N16"  ; -NET "debug<28>"  LOC = "R15"  ; -NET "debug<29>"  LOC = "P15"  ; -NET "debug<30>"  LOC = "N13"  ; -NET "debug<31>"  LOC = "N14"  ; - -## ADC -NET "adc<11>"  LOC = "B15"  ; -NET "adc<10>"  LOC = "A8"  ; -NET "adc<9>"  LOC = "B8"  ; -NET "adc<8>"  LOC = "C8"  ; -NET "adc<7>"  LOC = "D8"  ; -NET "adc<6>"  LOC = "C9"  ; -NET "adc<5>"  LOC = "A9"  ; -NET "adc<4>"  LOC = "C10"  ; -NET "adc<3>"  LOC = "D9"  ; -NET "adc<2>"  LOC = "A3"  ; -NET "adc<1>"  LOC = "B3"  ; -NET "adc<0>"  LOC = "A4"  ; -NET "RXSYNC"  LOC = "D10"  ; - -## DAC -NET "TXBLANK"  LOC = "K1"  ; -NET "TXSYNC"  LOC = "J2"  ; -NET "dac<0>"  LOC = "J1"  ; -NET "dac<1>"  LOC = "H3"  ; -NET "dac<2>"  LOC = "J3"  ; -NET "dac<3>"  LOC = "G2"  ; -NET "dac<4>"  LOC = "H1"  ; -NET "dac<5>"  LOC = "N3"  ; -NET "dac<6>"  LOC = "M4"  ; -NET "dac<7>"  LOC = "R1"  ; -NET "dac<8>"  LOC = "P2"  ; -NET "dac<9>"  LOC = "P1"  ; -NET "dac<10>"  LOC = "M1"  ; -NET "dac<11>"  LOC = "N1"  ; -NET "dac<12>"  LOC = "M3"  ; -NET "dac<13>"  LOC = "L4"  ; - -## TX DB -NET "io_tx<0>"  LOC = "K4"  ; -NET "io_tx<1>"  LOC = "L3"  ; -NET "io_tx<2>"  LOC = "L2"  ; -NET "io_tx<3>"  LOC = "F1"  ; -NET "io_tx<4>"  LOC = "F3"  ; -NET "io_tx<5>"  LOC = "G3"  ; -NET "io_tx<6>"  LOC = "E3"  ; -NET "io_tx<7>"  LOC = "E2"  ; -NET "io_tx<8>"  LOC = "E4"  ; -NET "io_tx<9>"  LOC = "F4"  ; -NET "io_tx<10>"  LOC = "D1"  ; -NET "io_tx<11>"  LOC = "E1"  ; -NET "io_tx<12>"  LOC = "D4"  ; -NET "io_tx<13>"  LOC = "D3"  ; -NET "io_tx<14>"  LOC = "C2"  ; -NET "io_tx<15>"  LOC = "C1"  ; - -## RX DB -NET "io_rx<0>"  LOC = "D7"  ; -NET "io_rx<1>"  LOC = "C6"  ; -NET "io_rx<2>"  LOC = "A6"  ; -NET "io_rx<3>"  LOC = "B6"  ; -NET "io_rx<4>"  LOC = "E9"  ; -NET "io_rx<5>"  LOC = "A7"  ; -NET "io_rx<6>"  LOC = "C7"  ; -NET "io_rx<7>"  LOC = "B10"  ; -NET "io_rx<8>"  LOC = "A10"  ; -NET "io_rx<9>"  LOC = "C11"  ; -NET "io_rx<10>"  LOC = "A11"  ; -NET "io_rx<11>"  LOC = "D11"  ; -NET "io_rx<12>"  LOC = "B12"  ; -NET "io_rx<13>"  LOC = "A12"  ; -NET "io_rx<14>"  LOC = "A14"  ; -NET "io_rx<15>"  LOC = "A13"  ; - -## SPI -#NET "SEN_AUX"  LOC = "C12"  ; -#NET "SCLK_AUX"  LOC = "D12"  ; -#NET "MISO_AUX"  LOC = "J5"  ; -NET "SCLK_CODEC"  LOC = "K3"  ; -NET "SEN_CODEC"  LOC = "D13"  ; -NET "MOSI_CODEC"  LOC = "C13"  ; -NET "MISO_CODEC"  LOC = "G4"  ; - -NET "MISO_RX_DB"  LOC = "E6"  ; -NET "SEN_RX_DB"  LOC = "B4"  ; -NET "MOSI_RX_DB"  LOC = "A5"  ; -NET "SCLK_RX_DB"  LOC = "C5"  ; - -NET "MISO_TX_DB"  LOC = "J4"  ; -NET "SEN_TX_DB"  LOC = "N2"  ; -NET "MOSI_TX_DB"  LOC = "L1"  ; -NET "SCLK_TX_DB"  LOC = "G1"  ; - -## Dedicated pins -#NET "TMS"  LOC = "B2"  ; -#NET "TDO"  LOC = "B16"  ; -#NET "TDI"  LOC = "B1"  ; -#NET "TCK"  LOC = "A15"  ; - -#NET "fpga_cfg_prog_b"  LOC = "A2"  ; -#NET "fpga_cfg_done"  LOC = "T15"  ; diff --git a/fpga/usrp2/top/B100/u1plus.v b/fpga/usrp2/top/B100/u1plus.v deleted file mode 100644 index 5e3200580..000000000 --- a/fpga/usrp2/top/B100/u1plus.v +++ /dev/null @@ -1,173 +0,0 @@ -// -// Copyright 2011 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 -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program.  If not, see <http://www.gnu.org/licenses/>. -// - -`timescale 1ns / 1ps -////////////////////////////////////////////////////////////////////////////////// - -module u1plus -  (input CLK_FPGA_P, input CLK_FPGA_N,  // Diff -   output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk, -   output FPGA_TXD, input FPGA_RXD, - -   // GPIF -   inout [15:0] GPIF_D, input [3:0] GPIF_CTL, output [3:0] GPIF_RDY, -   output FX2_PA7_FLAGD, output FX2_PA6_PKTEND, output FX2_PA2_SLOE, -   input IFCLK, -    -   inout SDA_FPGA, inout SCL_FPGA, // I2C - -   output SCLK_TX_DB, output SEN_TX_DB, output MOSI_TX_DB, input MISO_TX_DB,   // DB TX SPI -   output SCLK_RX_DB, output SEN_RX_DB, output MOSI_RX_DB, input MISO_RX_DB,   // DB TX SPI -   output SCLK_CODEC, output SEN_CODEC, output MOSI_CODEC, input MISO_CODEC,   // AD9862 main SPI - -   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] dac, output TXSYNC, output TXBLANK, -   input [11:0] adc, input RXSYNC, -   -   input PPS_IN, -   input reset_n, output reset_codec -   ); - -   assign reset_codec = 1;  // Believed to be active low -    -   // ///////////////////////////////////////////////////////////////////////// -   // Clocking -   wire  clk_fpga, clk_fpga_in, reset; -    -   IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE"))  -   clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); - -   BUFG clk_fpga_BUFG (.I(clk_fpga_in), .O(clk_fpga)); -    -   reset_sync reset_sync(.clk(clk_fpga), .reset_in(~reset_n), .reset_out(reset)); -    -   // ///////////////////////////////////////////////////////////////////////// -   // SPI -   wire  mosi, sclk, miso; -   assign { SCLK_TX_DB, MOSI_TX_DB } = ~SEN_TX_DB ? {sclk,mosi} : 2'b0; -   assign { SCLK_RX_DB, MOSI_RX_DB } = ~SEN_RX_DB ? {sclk,mosi} : 2'b0; -   assign { SCLK_CODEC, MOSI_CODEC } = ~SEN_CODEC ? {sclk,mosi} : 2'b0; -   assign miso = (~SEN_TX_DB & MISO_TX_DB) | (~SEN_RX_DB & MISO_RX_DB) | -		 (~SEN_CODEC & MISO_CODEC); - -   // ///////////////////////////////////////////////////////////////////////// -   // TX DAC -- handle the interleaved data bus to DAC, with clock doubling DLL - -   assign TXBLANK = 0; -   wire [13:0] tx_i, tx_q; - -   genvar i; -   generate -      for(i=0;i<14;i=i+1) -	begin : gen_dacout -	   ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1"  -		   .INIT(1'b0),            // Sets initial state of the Q output to 1'b0 or 1'b1 -		   .SRTYPE("SYNC"))        // Specifies "SYNC" or "ASYNC" set/reset -	   ODDR2_inst (.Q(dac[i]),      // 1-bit DDR output data -		       .C0(clk_fpga),  // 1-bit clock input -		       .C1(~clk_fpga), // 1-bit clock input -		       .CE(1'b1),      // 1-bit clock enable input -		       .D0(tx_i[i]),   // 1-bit data input (associated with C0) -		       .D1(tx_q[i]),   // 1-bit data input (associated with C1) -		       .R(1'b0),       // 1-bit reset input -		       .S(1'b0));      // 1-bit set input -	end // block: gen_dacout -      endgenerate -   ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1"  -	   .INIT(1'b0),            // Sets initial state of the Q output to 1'b0 or 1'b1 -	   .SRTYPE("SYNC"))        // Specifies "SYNC" or "ASYNC" set/reset -   ODDR2_txsnc (.Q(TXSYNC),      // 1-bit DDR output data -		.C0(clk_fpga),  // 1-bit clock input -		.C1(~clk_fpga), // 1-bit clock input -		.CE(1'b1),      // 1-bit clock enable input -		.D0(1'b0),   // 1-bit data input (associated with C0) -		.D1(1'b1),   // 1-bit data input (associated with C1) -		.R(1'b0),       // 1-bit reset input -		.S(1'b0));      // 1-bit set input - -   // ///////////////////////////////////////////////////////////////////////// -   // RX ADC -- handles deinterleaving - -   reg [11:0] rx_i, rx_q; -   wire [11:0] rx_a, rx_b; -    -   genvar      j; -   generate -      for(j=0;j<12;j=j+1) -	begin : gen_adcin -	   IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" -		   .INIT_Q0(1'b0),         // Sets initial state of the Q0 output to 1’b0 or 1’b1 -		   .INIT_Q1(1'b0),         // Sets initial state of the Q1 output to 1’b0 or 1’b1 -		   .SRTYPE("SYNC"))        // Specifies "SYNC" or "ASYNC" set/reset -	   IDDR2_inst (.Q0(rx_a[j]),      // 1-bit output captured with C0 clock -		       .Q1(rx_b[j]),      // 1-bit output captured with C1 clock -		       .C0(clk_fpga),     // 1-bit clock input -		       .C1(~clk_fpga),    // 1-bit clock input -		       .CE(1'b1),         // 1-bit clock enable input -		       .D(adc[j]),        // 1-bit DDR data input -		       .R(1'b0),          // 1-bit reset input -		       .S(1'b0));         // 1-bit set input -	end // block: gen_adcin -   endgenerate -    -   IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" -	   .INIT_Q0(1'b0),         // Sets initial state of the Q0 output to 1’b0 or 1’b1 -	   .INIT_Q1(1'b0),         // Sets initial state of the Q1 output to 1’b0 or 1’b1 -	   .SRTYPE("SYNC"))        // Specifies "SYNC" or "ASYNC" set/reset -   IDDR2_sync (.Q0(rxsync_0),      // 1-bit output captured with C0 clock -	       .Q1(rxsync_1),      // 1-bit output captured with C1 clock -	       .C0(clk_fpga),     // 1-bit clock input -	       .C1(~clk_fpga),    // 1-bit clock input -	       .CE(1'b1),         // 1-bit clock enable input -	       .D(RXSYNC),        // 1-bit DDR data input -	       .R(1'b0),          // 1-bit reset input -	       .S(1'b0));         // 1-bit set input - -   always @(posedge clk_fpga) -     if(rxsync_0) -       begin -	  rx_i <= rx_b; -	  rx_q <= rx_a; -       end -     else -       begin -	  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(FPGA_TXD), .debug_rxd(FPGA_RXD), -		     .gpif_d(GPIF_D), .gpif_ctl(GPIF_CTL), .gpif_rdy(GPIF_RDY), -		     .gpif_misc({FX2_PA7_FLAGD,FX2_PA6_PKTEND,FX2_PA2_SLOE}), -		     .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) ); - -endmodule // u1plus diff --git a/fpga/usrp2/top/B100/u1plus_core.v b/fpga/usrp2/top/B100/u1plus_core.v index e5af189cc..691ad1f75 100644 --- a/fpga/usrp2/top/B100/u1plus_core.v +++ b/fpga/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 | 
