Files
b210-k7-fpga/top/n3xx/n3xx_core.v
T
+18 6b67702ad7 Merge FPGA repository back into UHD repository
The FPGA codebase was removed from the UHD repository in 2014 to reduce
the size of the repository. However, over the last half-decade, the
split between the repositories has proven more burdensome than it has
been helpful. By merging the FPGA code back, it will be possible to
create atomic commits that touch both FPGA and UHD codebases. Continuous
integration testing is also simplified by merging the repositories,
because it was previously difficult to automatically derive the correct
UHD branch when testing a feature branch on the FPGA repository.

This commit also updates the license files and paths therein.

We are therefore merging the repositories again. Future development for
FPGA code will happen in the same repository as the UHD host code and
MPM code.

== Original Codebase and Rebasing ==

The original FPGA repository will be hosted for the foreseeable future
at its original local location: https://github.com/EttusResearch/fpga/

It can be used for bisecting, reference, and a more detailed history.

The final commit from said repository to be merged here is
05003794e2da61cabf64dd278c45685a7abad7ec. This commit is tagged as
v4.0.0.0-pre-uhd-merge.

If you have changes in the FPGA repository that you want to rebase onto
the UHD repository, simply run the following commands:

- Create a directory to store patches (this should be an empty
  directory):

    mkdir ~/patches

- Now make sure that your FPGA codebase is based on the same state as
  the code that was merged:

    cd src/fpga # Or wherever your FPGA code is stored
    git rebase v4.0.0.0-pre-uhd-merge

  Note: The rebase command may look slightly different depending on what
  exactly you're trying to rebase.

- Create a patch set for your changes versus v4.0.0.0-pre-uhd-merge:

    git format-patch v4.0.0.0-pre-uhd-merge -o ~/patches

  Note: Make sure that only patches are stored in your output directory.
  It should otherwise be empty. Make sure that you picked the correct
  range of commits, and only commits you wanted to rebase were exported
  as patch files.

- Go to the UHD repository and apply the patches:

    cd src/uhd # Or wherever your UHD repository is stored
    git am --directory fpga ~/patches/*
    rm -rf ~/patches # This is for cleanup

== Contributors ==

The following people have contributed mainly to these files (this list
is not complete):

Co-authored-by: Alex Williams <alex.williams@ni.com>
Co-authored-by: Andrej Rode <andrej.rode@ettus.com>
Co-authored-by: Ashish Chaudhari <ashish@ettus.com>
Co-authored-by: Ben Hilburn <ben.hilburn@ettus.com>
Co-authored-by: Ciro Nishiguchi <ciro.nishiguchi@ni.com>
Co-authored-by: Daniel Jepson <daniel.jepson@ni.com>
Co-authored-by: Derek Kozel <derek.kozel@ettus.com>
Co-authored-by: EJ Kreinar <ej@he360.com>
Co-authored-by: Humberto Jimenez <humberto.jimenez@ni.com>
Co-authored-by: Ian Buckley <ian.buckley@gmail.com>
Co-authored-by: Jörg Hofrichter <joerg.hofrichter@ni.com>
Co-authored-by: Jon Kiser <jon.kiser@ni.com>
Co-authored-by: Josh Blum <josh@joshknows.com>
Co-authored-by: Jonathon Pendlum <jonathan.pendlum@ettus.com>
Co-authored-by: Martin Braun <martin.braun@ettus.com>
Co-authored-by: Matt Ettus <matt@ettus.com>
Co-authored-by: Michael West <michael.west@ettus.com>
Co-authored-by: Moritz Fischer <moritz.fischer@ettus.com>
Co-authored-by: Nick Foster <nick@ettus.com>
Co-authored-by: Nicolas Cuervo <nicolas.cuervo@ettus.com>
Co-authored-by: Paul Butler <paul.butler@ni.com>
Co-authored-by: Paul David <paul.david@ettus.com>
Co-authored-by: Ryan Marlow <ryan.marlow@ettus.com>
Co-authored-by: Sugandha Gupta <sugandha.gupta@ettus.com>
Co-authored-by: Sylvain Munaut <tnt@246tNt.com>
Co-authored-by: Trung Tran <trung.tran@ettus.com>
Co-authored-by: Vidush Vishwanath <vidush.vishwanath@ettus.com>
Co-authored-by: Wade Fife <wade.fife@ettus.com>


Original-commit: bafa9d95453387814ef25e6b6256ba8db2df612f
2020-01-28 09:35:36 -08:00

1288 lines
51 KiB
Verilog

/////////////////////////////////////////////////////////////////////
//
// Copyright 2017-2019 Ettus Research, A National Instruments Brand
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//
// Module: n3xx_core
// Description:
// - Motherboard Registers
// - Crossbar
// - Noc Block Radios
// - Noc Block Dram fifo
// - Radio Front End control
//
/////////////////////////////////////////////////////////////////////
module n3xx_core #(
parameter REG_DWIDTH = 32, // Width of the AXI4-Lite data bus (must be 32 or 64)
parameter REG_AWIDTH = 32, // Width of the address bus
parameter BUS_CLK_RATE = 200000000, // BUS_CLK rate
parameter CHANNEL_WIDTH = 32,
parameter NUM_CHANNELS_PER_RADIO = 1,
parameter NUM_CHANNELS = 4,
parameter NUM_DBOARDS = 2,
parameter NUM_SPI_PER_DBOARD = 8,
parameter USE_CORRECTION = 0,
parameter USE_REPLAY = 0, // 1 for Replay block instead of DMA FIFO
parameter FP_GPIO_WIDTH = 12, // Front panel GPIO width
parameter RFNOC_PROTOVER = {8'd1, 8'd0},
parameter CHDR_WIDTH = 16'd64
)(
// Clocks and resets
input radio_clk,
input radio_rst,
input bus_clk,
input bus_rst,
input ddr3_dma_clk,
input clk40,
// Clocking and PPS Controls/Indicators
input pps,
output reg[3:0] pps_select = 4'h1,
output reg pps_out_enb,
output reg[1:0] pps_select_sfp = 2'b0,
output reg ref_clk_reset,
output reg meas_clk_reset,
input ref_clk_locked,
input meas_clk_locked,
output reg enable_ref_clk_async,
// Motherboard Registers: AXI lite interface
input s_axi_aclk,
input s_axi_aresetn,
input [REG_AWIDTH-1:0] s_axi_awaddr,
input s_axi_awvalid,
output s_axi_awready,
input [REG_DWIDTH-1:0] s_axi_wdata,
input [REG_DWIDTH/8-1:0] s_axi_wstrb,
input s_axi_wvalid,
output s_axi_wready,
output [1:0] s_axi_bresp,
output s_axi_bvalid,
input s_axi_bready,
input [REG_AWIDTH-1:0] s_axi_araddr,
input s_axi_arvalid,
output s_axi_arready,
output [REG_DWIDTH-1:0] s_axi_rdata,
output [1:0] s_axi_rresp,
output s_axi_rvalid,
input s_axi_rready,
// PS GPIO source
input [FP_GPIO_WIDTH-1:0] ps_gpio_out,
input [FP_GPIO_WIDTH-1:0] ps_gpio_tri,
output [FP_GPIO_WIDTH-1:0] ps_gpio_in,
// Front Panel GPIO
inout [FP_GPIO_WIDTH-1:0] fp_gpio_inout,
// Radio GPIO control for DSA
output [16*NUM_CHANNELS-1:0] db_gpio_out_flat,
output [16*NUM_CHANNELS-1:0] db_gpio_ddr_flat,
input [16*NUM_CHANNELS-1:0] db_gpio_in_flat,
input [16*NUM_CHANNELS-1:0] db_gpio_fab_flat,
// Radio ATR
output [NUM_CHANNELS-1:0] rx_atr,
output [NUM_CHANNELS-1:0] tx_atr,
// Radio Data
input [NUM_CHANNELS-1:0] rx_stb,
input [NUM_CHANNELS-1:0] tx_stb,
input [CHANNEL_WIDTH*NUM_CHANNELS-1:0] rx,
output [CHANNEL_WIDTH*NUM_CHANNELS-1:0] tx,
// CPLD
output [NUM_SPI_PER_DBOARD*NUM_DBOARDS-1:0] sen_flat,
output [NUM_DBOARDS-1:0] sclk_flat,
output [NUM_DBOARDS-1:0] mosi_flat,
input [NUM_DBOARDS-1:0] miso_flat,
// DMA xport adapter to PS
input wire [63:0] s_dma_tdata,
input wire [3:0] s_dma_tuser,
input wire s_dma_tlast,
output wire s_dma_tready,
input wire s_dma_tvalid,
output wire [63:0] m_dma_tdata,
output wire [3:0] m_dma_tdest,
output wire m_dma_tlast,
input wire m_dma_tready,
output wire m_dma_tvalid,
// AXI4 (256b@200MHz) interface to DDR3 controller
input ddr3_axi_clk,
input ddr3_axi_rst,
input ddr3_running,
// Write Address Ports
output [3:0] ddr3_axi_awid,
output [31:0] ddr3_axi_awaddr,
output [7:0] ddr3_axi_awlen,
output [2:0] ddr3_axi_awsize,
output [1:0] ddr3_axi_awburst,
output [0:0] ddr3_axi_awlock,
output [3:0] ddr3_axi_awcache,
output [2:0] ddr3_axi_awprot,
output [3:0] ddr3_axi_awqos,
output ddr3_axi_awvalid,
input ddr3_axi_awready,
// Write Data Ports
output [255:0] ddr3_axi_wdata,
output [31:0] ddr3_axi_wstrb,
output ddr3_axi_wlast,
output ddr3_axi_wvalid,
input ddr3_axi_wready,
// Write Response Ports
output ddr3_axi_bready,
input [3:0] ddr3_axi_bid,
input [1:0] ddr3_axi_bresp,
input ddr3_axi_bvalid,
// Read Address Ports
output [3:0] ddr3_axi_arid,
output [31:0] ddr3_axi_araddr,
output [7:0] ddr3_axi_arlen,
output [2:0] ddr3_axi_arsize,
output [1:0] ddr3_axi_arburst,
output [0:0] ddr3_axi_arlock,
output [3:0] ddr3_axi_arcache,
output [2:0] ddr3_axi_arprot,
output [3:0] ddr3_axi_arqos,
output ddr3_axi_arvalid,
input ddr3_axi_arready,
// Read Data Ports
output ddr3_axi_rready,
input [3:0] ddr3_axi_rid,
input [255:0] ddr3_axi_rdata,
input [1:0] ddr3_axi_rresp,
input ddr3_axi_rlast,
input ddr3_axi_rvalid,
// v2e (vita to ethernet) and e2v (eth to vita)
output [63:0] v2e0_tdata,
output v2e0_tvalid,
output v2e0_tlast,
input v2e0_tready,
output [63:0] v2e1_tdata,
output v2e1_tlast,
output v2e1_tvalid,
input v2e1_tready,
input [63:0] e2v0_tdata,
input e2v0_tlast,
input e2v0_tvalid,
output e2v0_tready,
input [63:0] e2v1_tdata,
input e2v1_tlast,
input e2v1_tvalid,
output e2v1_tready,
// RegPort interface to NPIO
output reg_wr_req_npio,
output [REG_AWIDTH-1:0] reg_wr_addr_npio,
output [REG_DWIDTH-1:0] reg_wr_data_npio,
output reg_rd_req_npio,
output [REG_AWIDTH-1:0] reg_rd_addr_npio,
input reg_rd_resp_npio,
input [REG_DWIDTH-1:0] reg_rd_data_npio,
// Misc
input [31:0] build_datestamp,
input [31:0] xadc_readback,
input [63:0] sfp_ports_info,
output reg [15:0] device_id
);
/////////////////////////////////////////////////////////////////////////////////
//
// FPGA Compatibility Number
// Rules for modifying compat number:
// - Major is updated when the FPGA is changed and requires a software
// change as a result.
// - Minor is updated when a new feature is added to the FPGA that does not
// break software compatibility.
//
/////////////////////////////////////////////////////////////////////////////////
localparam [15:0] COMPAT_MAJOR = 16'd7;
localparam [15:0] COMPAT_MINOR = 16'd0;
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
// Motherboard Registers
/////////////////////////////////////////////////////////////////////////////////
// Register base
localparam REG_BASE_MISC = 14'h0;
localparam REG_BASE_TIMEKEEPER = 14'h1000;
// Misc Motherboard Registers
localparam REG_COMPAT_NUM = REG_BASE_MISC + 14'h00;
localparam REG_DATESTAMP = REG_BASE_MISC + 14'h04;
localparam REG_GIT_HASH = REG_BASE_MISC + 14'h08;
localparam REG_SCRATCH = REG_BASE_MISC + 14'h0C;
localparam REG_DEVICE_ID = REG_BASE_MISC + 14'h10;
localparam REG_RFNOC_INFO = REG_BASE_MISC + 14'h14;
localparam REG_CLOCK_CTRL = REG_BASE_MISC + 14'h18;
localparam REG_XADC_READBACK = REG_BASE_MISC + 14'h1C;
localparam REG_BUS_CLK_RATE = REG_BASE_MISC + 14'h20;
localparam REG_BUS_CLK_COUNT = REG_BASE_MISC + 14'h24;
localparam REG_SFP_PORT0_INFO = REG_BASE_MISC + 14'h28;
localparam REG_SFP_PORT1_INFO = REG_BASE_MISC + 14'h2C;
localparam REG_FP_GPIO_MASTER = REG_BASE_MISC + 14'h30;
localparam REG_FP_GPIO_RADIO_SRC = REG_BASE_MISC + 14'h34;
localparam REG_NUM_TIMEKEEPERS = REG_BASE_MISC + 14'h48;
localparam NUM_TIMEKEEPERS = 16'd1;
wire m_ctrlport_req_wr_radio0;
wire m_ctrlport_req_rd_radio0;
wire [19:0] m_ctrlport_req_addr_radio0;
wire [31:0] m_ctrlport_req_data_radio0;
wire [3:0] m_ctrlport_req_byte_en_radio0;
wire m_ctrlport_req_has_time_radio0;
wire [63:0] m_ctrlport_req_time_radio0;
wire m_ctrlport_resp_ack_radio0;
wire [1:0] m_ctrlport_resp_status_radio0;
wire [31:0] m_ctrlport_resp_data_radio0;
`ifndef N300
wire m_ctrlport_req_wr_radio1;
wire m_ctrlport_req_rd_radio1;
wire [19:0] m_ctrlport_req_addr_radio1;
wire [31:0] m_ctrlport_req_data_radio1;
wire [3:0] m_ctrlport_req_byte_en_radio1;
wire m_ctrlport_req_has_time_radio1;
wire [63:0] m_ctrlport_req_time_radio1;
wire m_ctrlport_resp_ack_radio1;
wire [1:0] m_ctrlport_resp_status_radio1;
wire [31:0] m_ctrlport_resp_data_radio1;
`endif
reg [31:0] scratch_reg = 32'b0;
reg [31:0] bus_counter = 32'h0;
reg [31:0] fp_gpio_master_reg = 32'h0;
reg [31:0] fp_gpio_src_reg = 32'h0;
always @(posedge bus_clk) begin
if (bus_rst)
bus_counter <= 32'd0;
else
bus_counter <= bus_counter + 32'd1;
end
// Regport
wire reg_wr_req;
wire [REG_AWIDTH-1:0] reg_wr_addr;
wire [REG_DWIDTH-1:0] reg_wr_data;
wire reg_rd_req;
wire [REG_AWIDTH-1:0] reg_rd_addr;
wire reg_rd_resp;
wire [REG_DWIDTH-1:0] reg_rd_data;
reg reg_rd_resp_glob;
reg [REG_DWIDTH-1:0] reg_rd_data_glob;
wire reg_rd_resp_tk;
wire [REG_DWIDTH-1:0] reg_rd_data_tk;
regport_resp_mux #(
.WIDTH(REG_DWIDTH),
.NUM_SLAVES(3)
) inst_mboard_regport_resp_mux (
.clk(bus_clk),
.reset(bus_rst),
.sla_rd_resp({reg_rd_resp_npio, reg_rd_resp_glob, reg_rd_resp_tk}),
.sla_rd_data({reg_rd_data_npio, reg_rd_data_glob, reg_rd_data_tk}),
.mst_rd_resp(reg_rd_resp),
.mst_rd_data(reg_rd_data)
);
// Regport Master to convert AXI4-Lite to regport
axil_regport_master #(
.DWIDTH (REG_DWIDTH), // Width of the AXI4-Lite data bus (must be 32 or 64)
.AWIDTH (REG_AWIDTH), // Width of the address bus
.WRBASE (0), // Write address base
.RDBASE (0), // Read address base
.TIMEOUT (10) // log2(timeout). Read will timeout after (2^TIMEOUT - 1) cycles
) mboard_regport_master_i (
// Clock and reset
.s_axi_aclk (s_axi_aclk),
.s_axi_aresetn (s_axi_aresetn),
// AXI4-Lite: Write address port (domain: s_axi_aclk)
.s_axi_awaddr (s_axi_awaddr),
.s_axi_awvalid (s_axi_awvalid),
.s_axi_awready (s_axi_awready),
// AXI4-Lite: Write data port (domain: s_axi_aclk)
.s_axi_wdata (s_axi_wdata),
.s_axi_wstrb (s_axi_wstrb),
.s_axi_wvalid (s_axi_wvalid),
.s_axi_wready (s_axi_wready),
// AXI4-Lite: Write response port (domain: s_axi_aclk)
.s_axi_bresp (s_axi_bresp),
.s_axi_bvalid (s_axi_bvalid),
.s_axi_bready (s_axi_bready),
// AXI4-Lite: Read address port (domain: s_axi_aclk)
.s_axi_araddr (s_axi_araddr),
.s_axi_arvalid (s_axi_arvalid),
.s_axi_arready (s_axi_arready),
// AXI4-Lite: Read data port (domain: s_axi_aclk)
.s_axi_rdata (s_axi_rdata),
.s_axi_rresp (s_axi_rresp),
.s_axi_rvalid (s_axi_rvalid),
.s_axi_rready (s_axi_rready),
// Register port: Write port (domain: reg_clk)
.reg_clk (bus_clk),
.reg_wr_req (reg_wr_req),
.reg_wr_addr (reg_wr_addr),
.reg_wr_data (reg_wr_data),
.reg_wr_keep (/*unused*/),
// Register port: Read port (domain: reg_clk)
.reg_rd_req (reg_rd_req),
.reg_rd_addr (reg_rd_addr),
.reg_rd_resp (reg_rd_resp),
.reg_rd_data (reg_rd_data)
);
assign reg_wr_req_npio = reg_wr_req;
assign reg_wr_addr_npio = reg_wr_addr;
assign reg_wr_data_npio = reg_wr_data;
assign reg_rd_req_npio = reg_rd_req;
assign reg_rd_addr_npio = reg_rd_addr;
reg b_ref_clk_locked_ms;
reg b_ref_clk_locked;
reg b_meas_clk_locked_ms;
reg b_meas_clk_locked;
// Write Registers
always @ (posedge bus_clk) begin
if (bus_rst) begin
scratch_reg <= 32'h0;
fp_gpio_master_reg <= 32'h0;
fp_gpio_src_reg <= 32'h0;
pps_select <= 4'h1;
pps_select_sfp <= 2'h0;
pps_out_enb <= 1'b0;
ref_clk_reset <= 1'b0;
meas_clk_reset <= 1'b0;
enable_ref_clk_async <= 1'b1;
device_id <= 16'h0;
end else if (reg_wr_req) begin
case (reg_wr_addr)
REG_DEVICE_ID: begin
device_id <= reg_wr_data[15:0];
end
REG_FP_GPIO_MASTER: begin
fp_gpio_master_reg <= reg_wr_data;
end
REG_FP_GPIO_RADIO_SRC: begin
fp_gpio_src_reg <= reg_wr_data;
end
REG_SCRATCH: begin
scratch_reg <= reg_wr_data;
end
REG_CLOCK_CTRL: begin
pps_select <= reg_wr_data[3:0];
pps_out_enb <= reg_wr_data[4];
pps_select_sfp <= reg_wr_data[6:5];
ref_clk_reset <= reg_wr_data[8];
meas_clk_reset <= reg_wr_data[12];
// This bit is defined as "to disable, write '1' to bit 16" for backwards
// compatibility.
enable_ref_clk_async <= ~reg_wr_data[16];
end
endcase
end
end
// Read Registers
always @ (posedge bus_clk) begin
if (bus_rst) begin
reg_rd_resp_glob <= 1'b0;
b_ref_clk_locked_ms <= 1'b0;
b_ref_clk_locked <= 1'b0;
b_meas_clk_locked_ms <= 1'b0;
b_meas_clk_locked <= 1'b0;
end
else begin
// double-sync the locked bits into the bus_clk domain before using them
b_ref_clk_locked_ms <= ref_clk_locked;
b_ref_clk_locked <= b_ref_clk_locked_ms;
b_meas_clk_locked_ms <= meas_clk_locked;
b_meas_clk_locked <= b_meas_clk_locked_ms;
if (reg_rd_req) begin
reg_rd_resp_glob <= 1'b1;
case (reg_rd_addr)
REG_DEVICE_ID:
reg_rd_data_glob <= device_id;
REG_RFNOC_INFO:
reg_rd_data_glob <= {CHDR_WIDTH[15:0], RFNOC_PROTOVER[15:0]};
REG_COMPAT_NUM:
reg_rd_data_glob <= {COMPAT_MAJOR, COMPAT_MINOR};
REG_DATESTAMP:
reg_rd_data_glob <= build_datestamp;
REG_GIT_HASH:
`ifndef GIT_HASH
`define GIT_HASH 32'h0BADC0DE
`endif
reg_rd_data_glob <= `GIT_HASH;
REG_FP_GPIO_MASTER:
reg_rd_data_glob <= fp_gpio_master_reg;
REG_FP_GPIO_RADIO_SRC:
reg_rd_data_glob <= fp_gpio_src_reg;
REG_SCRATCH:
reg_rd_data_glob <= scratch_reg;
REG_CLOCK_CTRL: begin
reg_rd_data_glob <= 32'b0;
reg_rd_data_glob[3:0] <= pps_select;
reg_rd_data_glob[4] <= pps_out_enb;
reg_rd_data_glob[6:5] <= pps_select_sfp;
reg_rd_data_glob[8] <= ref_clk_reset;
reg_rd_data_glob[9] <= b_ref_clk_locked;
reg_rd_data_glob[12] <= meas_clk_reset;
reg_rd_data_glob[13] <= b_meas_clk_locked;
reg_rd_data_glob[16] <= ~enable_ref_clk_async;
end
REG_XADC_READBACK:
reg_rd_data_glob <= xadc_readback;
REG_BUS_CLK_RATE:
reg_rd_data_glob <= BUS_CLK_RATE;
REG_BUS_CLK_COUNT:
reg_rd_data_glob <= bus_counter;
REG_SFP_PORT0_INFO:
reg_rd_data_glob <= sfp_ports_info[31:0];
REG_SFP_PORT1_INFO:
reg_rd_data_glob <= sfp_ports_info[63:32];
REG_NUM_TIMEKEEPERS:
reg_rd_data_glob <= NUM_TIMEKEEPERS;
default:
reg_rd_resp_glob <= 1'b0;
endcase
end
else if (reg_rd_resp_glob) begin
reg_rd_resp_glob <= 1'b0;
end
end
end
/////////////////////////////////////////////////////////////////////////////
//
// DMA Transport Adapter
//
/////////////////////////////////////////////////////////////////////////////
wire [63:0] dmao_tdata;
wire dmao_tlast;
wire dmao_tvalid;
wire dmao_tready;
wire [63:0] dmai_tdata;
wire dmai_tlast;
wire dmai_tvalid;
wire dmai_tready;
liberio_chdr64_adapter #(
.DMA_ID_WIDTH (4)
) dma_xport_adapter (
.clk (bus_clk),
.rst (bus_rst),
.device_id (device_id),
// From DMA engine to core
.s_dma_tdata (s_dma_tdata),
.s_dma_tuser (s_dma_tuser),
.s_dma_tlast (s_dma_tlast),
.s_dma_tvalid (s_dma_tvalid),
.s_dma_tready (s_dma_tready),
// From core to DMA engine
.m_dma_tdata (m_dma_tdata),
.m_dma_tuser (m_dma_tdest),
.m_dma_tlast (m_dma_tlast),
.m_dma_tvalid (m_dma_tvalid),
.m_dma_tready (m_dma_tready),
// CHDR buses
.s_chdr_tdata (dmao_tdata),
.s_chdr_tlast (dmao_tlast),
.s_chdr_tvalid (dmao_tvalid),
.s_chdr_tready (dmao_tready),
.m_chdr_tdata (dmai_tdata),
.m_chdr_tlast (dmai_tlast),
.m_chdr_tvalid (dmai_tvalid),
.m_chdr_tready (dmai_tready)
);
/////////////////////////////////////////////////////////////////////
//
// AXI Interconnect
//
/////////////////////////////////////////////////////////////////////
localparam NUM_DRAM_FIFOS = 4;
localparam DRAM_FIFO_INPUT_BUFF_SIZE = 8'd13;
wire ddr3_dma_rst;
synchronizer #(
.INITIAL_VAL(1'b1)
) ddr3_dma_rst_sync_i (
.clk(ddr3_dma_clk), .rst(1'b0), .in(ddr3_axi_rst), .out(ddr3_dma_rst)
);
// AXI4 MM buses
wire [0:0] dram_axi_awid [0:NUM_DRAM_FIFOS-1];
wire [31:0] dram_axi_awaddr [0:NUM_DRAM_FIFOS-1];
wire [7:0] dram_axi_awlen [0:NUM_DRAM_FIFOS-1];
wire [2:0] dram_axi_awsize [0:NUM_DRAM_FIFOS-1];
wire [1:0] dram_axi_awburst [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_awlock [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_awcache [0:NUM_DRAM_FIFOS-1];
wire [2:0] dram_axi_awprot [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_awqos [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_awregion [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_awuser [0:NUM_DRAM_FIFOS-1];
wire dram_axi_awvalid [0:NUM_DRAM_FIFOS-1];
wire dram_axi_awready [0:NUM_DRAM_FIFOS-1];
wire [63:0] dram_axi_wdata [0:NUM_DRAM_FIFOS-1];
wire [7:0] dram_axi_wstrb [0:NUM_DRAM_FIFOS-1];
wire dram_axi_wlast [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_wuser [0:NUM_DRAM_FIFOS-1];
wire dram_axi_wvalid [0:NUM_DRAM_FIFOS-1];
wire dram_axi_wready [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_bid [0:NUM_DRAM_FIFOS-1];
wire [1:0] dram_axi_bresp [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_buser [0:NUM_DRAM_FIFOS-1];
wire dram_axi_bvalid [0:NUM_DRAM_FIFOS-1];
wire dram_axi_bready [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_arid [0:NUM_DRAM_FIFOS-1];
wire [31:0] dram_axi_araddr [0:NUM_DRAM_FIFOS-1];
wire [7:0] dram_axi_arlen [0:NUM_DRAM_FIFOS-1];
wire [2:0] dram_axi_arsize [0:NUM_DRAM_FIFOS-1];
wire [1:0] dram_axi_arburst [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_arlock [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_arcache [0:NUM_DRAM_FIFOS-1];
wire [2:0] dram_axi_arprot [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_arqos [0:NUM_DRAM_FIFOS-1];
wire [3:0] dram_axi_arregion [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_aruser [0:NUM_DRAM_FIFOS-1];
wire dram_axi_arvalid [0:NUM_DRAM_FIFOS-1];
wire dram_axi_arready [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_rid [0:NUM_DRAM_FIFOS-1];
wire [63:0] dram_axi_rdata [0:NUM_DRAM_FIFOS-1];
wire [1:0] dram_axi_rresp [0:NUM_DRAM_FIFOS-1];
wire dram_axi_rlast [0:NUM_DRAM_FIFOS-1];
wire [0:0] dram_axi_ruser [0:NUM_DRAM_FIFOS-1];
wire dram_axi_rvalid [0:NUM_DRAM_FIFOS-1];
wire dram_axi_rready [0:NUM_DRAM_FIFOS-1];
axi_intercon_4x64_256_bd_wrapper axi_intercon_2x64_256_bd_i (
.S00_AXI_ACLK (ddr3_dma_clk ),
.S00_AXI_ARESETN (~ddr3_dma_rst ),
.S00_AXI_AWID (dram_axi_awid [0]),
.S00_AXI_AWADDR (dram_axi_awaddr [0]),
.S00_AXI_AWLEN (dram_axi_awlen [0]),
.S00_AXI_AWSIZE (dram_axi_awsize [0]),
.S00_AXI_AWBURST (dram_axi_awburst [0]),
.S00_AXI_AWLOCK (dram_axi_awlock [0]),
.S00_AXI_AWCACHE (dram_axi_awcache [0]),
.S00_AXI_AWPROT (dram_axi_awprot [0]),
.S00_AXI_AWQOS (dram_axi_awqos [0]),
.S00_AXI_AWREGION (dram_axi_awregion[0]),
.S00_AXI_AWVALID (dram_axi_awvalid [0]),
.S00_AXI_AWREADY (dram_axi_awready [0]),
.S00_AXI_WDATA (dram_axi_wdata [0]),
.S00_AXI_WSTRB (dram_axi_wstrb [0]),
.S00_AXI_WLAST (dram_axi_wlast [0]),
.S00_AXI_WVALID (dram_axi_wvalid [0]),
.S00_AXI_WREADY (dram_axi_wready [0]),
.S00_AXI_BID (dram_axi_bid [0]),
.S00_AXI_BRESP (dram_axi_bresp [0]),
.S00_AXI_BVALID (dram_axi_bvalid [0]),
.S00_AXI_BREADY (dram_axi_bready [0]),
.S00_AXI_ARID (dram_axi_arid [0]),
.S00_AXI_ARADDR (dram_axi_araddr [0]),
.S00_AXI_ARLEN (dram_axi_arlen [0]),
.S00_AXI_ARSIZE (dram_axi_arsize [0]),
.S00_AXI_ARBURST (dram_axi_arburst [0]),
.S00_AXI_ARLOCK (dram_axi_arlock [0]),
.S00_AXI_ARCACHE (dram_axi_arcache [0]),
.S00_AXI_ARPROT (dram_axi_arprot [0]),
.S00_AXI_ARQOS (dram_axi_arqos [0]),
.S00_AXI_ARREGION (dram_axi_arregion[0]),
.S00_AXI_ARVALID (dram_axi_arvalid [0]),
.S00_AXI_ARREADY (dram_axi_arready [0]),
.S00_AXI_RID (dram_axi_rid [0]),
.S00_AXI_RDATA (dram_axi_rdata [0]),
.S00_AXI_RRESP (dram_axi_rresp [0]),
.S00_AXI_RLAST (dram_axi_rlast [0]),
.S00_AXI_RVALID (dram_axi_rvalid [0]),
.S00_AXI_RREADY (dram_axi_rready [0]),
//
.S01_AXI_ACLK (ddr3_dma_clk ),
.S01_AXI_ARESETN (~ddr3_dma_rst ),
.S01_AXI_AWID (dram_axi_awid [1]),
.S01_AXI_AWADDR (dram_axi_awaddr [1]),
.S01_AXI_AWLEN (dram_axi_awlen [1]),
.S01_AXI_AWSIZE (dram_axi_awsize [1]),
.S01_AXI_AWBURST (dram_axi_awburst [1]),
.S01_AXI_AWLOCK (dram_axi_awlock [1]),
.S01_AXI_AWCACHE (dram_axi_awcache [1]),
.S01_AXI_AWPROT (dram_axi_awprot [1]),
.S01_AXI_AWQOS (dram_axi_awqos [1]),
.S01_AXI_AWREGION (dram_axi_awregion[1]),
.S01_AXI_AWVALID (dram_axi_awvalid [1]),
.S01_AXI_AWREADY (dram_axi_awready [1]),
.S01_AXI_WDATA (dram_axi_wdata [1]),
.S01_AXI_WSTRB (dram_axi_wstrb [1]),
.S01_AXI_WLAST (dram_axi_wlast [1]),
.S01_AXI_WVALID (dram_axi_wvalid [1]),
.S01_AXI_WREADY (dram_axi_wready [1]),
.S01_AXI_BID (dram_axi_bid [1]),
.S01_AXI_BRESP (dram_axi_bresp [1]),
.S01_AXI_BVALID (dram_axi_bvalid [1]),
.S01_AXI_BREADY (dram_axi_bready [1]),
.S01_AXI_ARID (dram_axi_arid [1]),
.S01_AXI_ARADDR (dram_axi_araddr [1]),
.S01_AXI_ARLEN (dram_axi_arlen [1]),
.S01_AXI_ARSIZE (dram_axi_arsize [1]),
.S01_AXI_ARBURST (dram_axi_arburst [1]),
.S01_AXI_ARLOCK (dram_axi_arlock [1]),
.S01_AXI_ARCACHE (dram_axi_arcache [1]),
.S01_AXI_ARPROT (dram_axi_arprot [1]),
.S01_AXI_ARQOS (dram_axi_arqos [1]),
.S01_AXI_ARREGION (dram_axi_arregion[1]),
.S01_AXI_ARVALID (dram_axi_arvalid [1]),
.S01_AXI_ARREADY (dram_axi_arready [1]),
.S01_AXI_RID (dram_axi_rid [1]),
.S01_AXI_RDATA (dram_axi_rdata [1]),
.S01_AXI_RRESP (dram_axi_rresp [1]),
.S01_AXI_RLAST (dram_axi_rlast [1]),
.S01_AXI_RVALID (dram_axi_rvalid [1]),
.S01_AXI_RREADY (dram_axi_rready [1]),
//
.S02_AXI_ACLK (ddr3_dma_clk ),
.S02_AXI_ARESETN (~ddr3_dma_rst ),
.S02_AXI_AWID (dram_axi_awid [2]),
.S02_AXI_AWADDR (dram_axi_awaddr [2]),
.S02_AXI_AWLEN (dram_axi_awlen [2]),
.S02_AXI_AWSIZE (dram_axi_awsize [2]),
.S02_AXI_AWBURST (dram_axi_awburst [2]),
.S02_AXI_AWLOCK (dram_axi_awlock [2]),
.S02_AXI_AWCACHE (dram_axi_awcache [2]),
.S02_AXI_AWPROT (dram_axi_awprot [2]),
.S02_AXI_AWQOS (dram_axi_awqos [2]),
.S02_AXI_AWREGION (dram_axi_awregion[2]),
.S02_AXI_AWVALID (dram_axi_awvalid [2]),
.S02_AXI_AWREADY (dram_axi_awready [2]),
.S02_AXI_WDATA (dram_axi_wdata [2]),
.S02_AXI_WSTRB (dram_axi_wstrb [2]),
.S02_AXI_WLAST (dram_axi_wlast [2]),
.S02_AXI_WVALID (dram_axi_wvalid [2]),
.S02_AXI_WREADY (dram_axi_wready [2]),
.S02_AXI_BID (dram_axi_bid [2]),
.S02_AXI_BRESP (dram_axi_bresp [2]),
.S02_AXI_BVALID (dram_axi_bvalid [2]),
.S02_AXI_BREADY (dram_axi_bready [2]),
.S02_AXI_ARID (dram_axi_arid [2]),
.S02_AXI_ARADDR (dram_axi_araddr [2]),
.S02_AXI_ARLEN (dram_axi_arlen [2]),
.S02_AXI_ARSIZE (dram_axi_arsize [2]),
.S02_AXI_ARBURST (dram_axi_arburst [2]),
.S02_AXI_ARLOCK (dram_axi_arlock [2]),
.S02_AXI_ARCACHE (dram_axi_arcache [2]),
.S02_AXI_ARPROT (dram_axi_arprot [2]),
.S02_AXI_ARQOS (dram_axi_arqos [2]),
.S02_AXI_ARREGION (dram_axi_arregion[2]),
.S02_AXI_ARVALID (dram_axi_arvalid [2]),
.S02_AXI_ARREADY (dram_axi_arready [2]),
.S02_AXI_RID (dram_axi_rid [2]),
.S02_AXI_RDATA (dram_axi_rdata [2]),
.S02_AXI_RRESP (dram_axi_rresp [2]),
.S02_AXI_RLAST (dram_axi_rlast [2]),
.S02_AXI_RVALID (dram_axi_rvalid [2]),
.S02_AXI_RREADY (dram_axi_rready [2]),
//
.S03_AXI_ACLK (ddr3_dma_clk ),
.S03_AXI_ARESETN (~ddr3_dma_rst ),
.S03_AXI_AWID (dram_axi_awid [3]),
.S03_AXI_AWADDR (dram_axi_awaddr [3]),
.S03_AXI_AWLEN (dram_axi_awlen [3]),
.S03_AXI_AWSIZE (dram_axi_awsize [3]),
.S03_AXI_AWBURST (dram_axi_awburst [3]),
.S03_AXI_AWLOCK (dram_axi_awlock [3]),
.S03_AXI_AWCACHE (dram_axi_awcache [3]),
.S03_AXI_AWPROT (dram_axi_awprot [3]),
.S03_AXI_AWQOS (dram_axi_awqos [3]),
.S03_AXI_AWREGION (dram_axi_awregion[3]),
.S03_AXI_AWVALID (dram_axi_awvalid [3]),
.S03_AXI_AWREADY (dram_axi_awready [3]),
.S03_AXI_WDATA (dram_axi_wdata [3]),
.S03_AXI_WSTRB (dram_axi_wstrb [3]),
.S03_AXI_WLAST (dram_axi_wlast [3]),
.S03_AXI_WVALID (dram_axi_wvalid [3]),
.S03_AXI_WREADY (dram_axi_wready [3]),
.S03_AXI_BID (dram_axi_bid [3]),
.S03_AXI_BRESP (dram_axi_bresp [3]),
.S03_AXI_BVALID (dram_axi_bvalid [3]),
.S03_AXI_BREADY (dram_axi_bready [3]),
.S03_AXI_ARID (dram_axi_arid [3]),
.S03_AXI_ARADDR (dram_axi_araddr [3]),
.S03_AXI_ARLEN (dram_axi_arlen [3]),
.S03_AXI_ARSIZE (dram_axi_arsize [3]),
.S03_AXI_ARBURST (dram_axi_arburst [3]),
.S03_AXI_ARLOCK (dram_axi_arlock [3]),
.S03_AXI_ARCACHE (dram_axi_arcache [3]),
.S03_AXI_ARPROT (dram_axi_arprot [3]),
.S03_AXI_ARQOS (dram_axi_arqos [3]),
.S03_AXI_ARREGION (dram_axi_arregion[3]),
.S03_AXI_ARVALID (dram_axi_arvalid [3]),
.S03_AXI_ARREADY (dram_axi_arready [3]),
.S03_AXI_RID (dram_axi_rid [3]),
.S03_AXI_RDATA (dram_axi_rdata [3]),
.S03_AXI_RRESP (dram_axi_rresp [3]),
.S03_AXI_RLAST (dram_axi_rlast [3]),
.S03_AXI_RVALID (dram_axi_rvalid [3]),
.S03_AXI_RREADY (dram_axi_rready [3]),
//
.M00_AXI_ACLK (ddr3_axi_clk ),
.M00_AXI_ARESETN (~ddr3_axi_rst ),
.M00_AXI_AWID (ddr3_axi_awid ),
.M00_AXI_AWADDR (ddr3_axi_awaddr ),
.M00_AXI_AWLEN (ddr3_axi_awlen ),
.M00_AXI_AWSIZE (ddr3_axi_awsize ),
.M00_AXI_AWBURST (ddr3_axi_awburst ),
.M00_AXI_AWLOCK (ddr3_axi_awlock ),
.M00_AXI_AWCACHE (ddr3_axi_awcache ),
.M00_AXI_AWPROT (ddr3_axi_awprot ),
.M00_AXI_AWQOS (ddr3_axi_awqos ),
.M00_AXI_AWREGION ( ),
.M00_AXI_AWVALID (ddr3_axi_awvalid ),
.M00_AXI_AWREADY (ddr3_axi_awready ),
.M00_AXI_WDATA (ddr3_axi_wdata ),
.M00_AXI_WSTRB (ddr3_axi_wstrb ),
.M00_AXI_WLAST (ddr3_axi_wlast ),
.M00_AXI_WVALID (ddr3_axi_wvalid ),
.M00_AXI_WREADY (ddr3_axi_wready ),
.M00_AXI_BID (ddr3_axi_bid ),
.M00_AXI_BRESP (ddr3_axi_bresp ),
.M00_AXI_BVALID (ddr3_axi_bvalid ),
.M00_AXI_BREADY (ddr3_axi_bready ),
.M00_AXI_ARID (ddr3_axi_arid ),
.M00_AXI_ARADDR (ddr3_axi_araddr ),
.M00_AXI_ARLEN (ddr3_axi_arlen ),
.M00_AXI_ARSIZE (ddr3_axi_arsize ),
.M00_AXI_ARBURST (ddr3_axi_arburst ),
.M00_AXI_ARLOCK (ddr3_axi_arlock ),
.M00_AXI_ARCACHE (ddr3_axi_arcache ),
.M00_AXI_ARPROT (ddr3_axi_arprot ),
.M00_AXI_ARQOS (ddr3_axi_arqos ),
.M00_AXI_ARREGION ( ),
.M00_AXI_ARVALID (ddr3_axi_arvalid ),
.M00_AXI_ARREADY (ddr3_axi_arready ),
.M00_AXI_RID (ddr3_axi_rid ),
.M00_AXI_RDATA (ddr3_axi_rdata ),
.M00_AXI_RRESP (ddr3_axi_rresp ),
.M00_AXI_RLAST (ddr3_axi_rlast ),
.M00_AXI_RVALID (ddr3_axi_rvalid ),
.M00_AXI_RREADY (ddr3_axi_rready )
);
/////////////////////////////////////////////////////////////////////////////
//
// Radios
//
/////////////////////////////////////////////////////////////////////////////
wire [NUM_SPI_PER_DBOARD-1:0] sen[0:NUM_CHANNELS-1];
wire sclk[0:NUM_CHANNELS-1], mosi[0:NUM_CHANNELS-1], miso[0:NUM_CHANNELS-1];
// Data
wire [CHANNEL_WIDTH-1:0] rx_int[0:NUM_CHANNELS-1], tx_int[0:NUM_CHANNELS-1];
wire [CHANNEL_WIDTH-1:0] rx_data[0:NUM_CHANNELS-1], tx_data[0:NUM_CHANNELS-1];
wire db_fe_set_stb[0:NUM_CHANNELS-1];
wire [7:0] db_fe_set_addr[0:NUM_CHANNELS-1];
wire [31:0] db_fe_set_data[0:NUM_CHANNELS-1];
wire db_fe_rb_stb[0:NUM_CHANNELS-1];
wire [7:0] db_fe_rb_addr[0:NUM_CHANNELS-1];
wire [63:0] db_fe_rb_data[0:NUM_CHANNELS-1];
wire rx_running[0:NUM_CHANNELS-1], tx_running[0:NUM_CHANNELS-1];
genvar i;
generate
for (i = 0; i < NUM_CHANNELS; i = i + 1) begin: gen_gpio_control
assign rx_atr[i] = rx_running[i];
assign tx_atr[i] = tx_running[i];
end
endgenerate
/////////////////////////////////////////////////////////////////////////////////
//
// TX/RX FrontEnd
//
/////////////////////////////////////////////////////////////////////////////////
wire [15:0] db_gpio_in[0:NUM_CHANNELS-1];
wire [15:0] db_gpio_out[0:NUM_CHANNELS-1];
wire [15:0] db_gpio_ddr[0:NUM_CHANNELS-1];
wire [15:0] db_gpio_fab[0:NUM_CHANNELS-1];
wire [31:0] radio_gpio_out[0:NUM_CHANNELS-1];
wire [31:0] radio_gpio_ddr[0:NUM_CHANNELS-1];
wire [31:0] radio_gpio_in[0:NUM_CHANNELS-1];
wire [FP_GPIO_WIDTH-1:0] radio_gpio_src_out;
reg [FP_GPIO_WIDTH-1:0] radio_gpio_src_out_reg;
wire [FP_GPIO_WIDTH-1:0] radio_gpio_src_ddr;
reg [FP_GPIO_WIDTH-1:0] radio_gpio_src_ddr_reg;
reg [FP_GPIO_WIDTH-1:0] radio_gpio_src_in;
wire [FP_GPIO_WIDTH-1:0] radio_gpio_sync;
wire [FP_GPIO_WIDTH-1:0] fp_gpio_in_int;
wire [FP_GPIO_WIDTH-1:0] fp_gpio_out_int;
wire [FP_GPIO_WIDTH-1:0] fp_gpio_ddr_int;
generate
for (i = 0; i < NUM_CHANNELS; i = i + 1) begin
// Radio Data
assign rx_int[i] = rx[CHANNEL_WIDTH*i +: CHANNEL_WIDTH];
assign tx[CHANNEL_WIDTH*i +: CHANNEL_WIDTH] = tx_int[i];
// GPIO
assign db_gpio_out_flat[16*i+15:16*i] = db_gpio_out[i];
assign db_gpio_ddr_flat[16*i+15:16*i] = db_gpio_ddr[i];
assign db_gpio_in[i] = db_gpio_in_flat[16*i+15:16*i];
assign db_gpio_fab[i] = db_gpio_fab_flat[16*i+15:16*i];
end
endgenerate
generate if (NUM_CHANNELS_PER_RADIO == 1)
begin
for (i = 0; i < NUM_DBOARDS; i = i + 1) begin
// SPI
assign miso[i] = miso_flat[i];
assign sclk_flat[i] = sclk[i];
assign sen_flat[NUM_SPI_PER_DBOARD*i +: NUM_SPI_PER_DBOARD] = sen[i];
assign mosi_flat[i] = mosi[i];
end
end else if (NUM_CHANNELS_PER_RADIO == 2)
begin
for (i = 0; i < NUM_DBOARDS; i = i + 1) begin
// SPI
assign miso[2*i] = miso_flat[i];
assign sclk_flat[i] = sclk[2*i];
assign sen_flat[NUM_SPI_PER_DBOARD*i +: NUM_SPI_PER_DBOARD] = sen[2*i];
assign mosi_flat[i] = mosi[2*i];
end
end
endgenerate
generate
for (i = 0; i < NUM_CHANNELS; i = i + 1) begin
n3xx_db_fe_core #(
.USE_CORRECTION(USE_CORRECTION),
.NUM_SPI_SEN(NUM_SPI_PER_DBOARD),
.WIDTH(CHANNEL_WIDTH)
) db_fe_core_i (
.clk(radio_clk),
.reset(radio_rst),
.set_stb(db_fe_set_stb[i]),
.set_addr(db_fe_set_addr[i]),
.set_data(db_fe_set_data[i]),
.rb_stb(db_fe_rb_stb[i]),
.rb_addr(db_fe_rb_addr[i]),
.rb_data(db_fe_rb_data[i]),
.tx_stb(tx_stb[i]),
.tx_data_in(tx_data[i]),
.tx_data_out(tx_int[i]),
.tx_running(tx_running[i]),
.rx_stb(rx_stb[i]),
.rx_data_in(rx_int[i]),
.rx_data_out(rx_data[i]),
.rx_running(rx_running[i]),
.misc_ins(32'h0),
.misc_outs(),
.fp_gpio_in(radio_gpio_in[i]),
.fp_gpio_out(radio_gpio_out[i]),
.fp_gpio_ddr(radio_gpio_ddr[i]),
.fp_gpio_fab(32'h0),
.db_gpio_in(db_gpio_in[i]),
.db_gpio_out(db_gpio_out[i]),
.db_gpio_ddr(db_gpio_ddr[i]),
.db_gpio_fab(db_gpio_fab[i]),
.leds(),
.spi_clk(radio_clk),
.spi_rst(radio_rst),
.sen(sen[i]),
.sclk(sclk[i]),
.mosi(mosi[i]),
.miso(miso[i])
);
end
endgenerate
// Front panel GPIOs logic
// Double-sync for the GPIO inputs to the PS and to the Radio blocks.
synchronizer #(
.INITIAL_VAL(1'b0), .WIDTH(FP_GPIO_WIDTH)
) ps_gpio_in_sync_i (
.clk(bus_clk), .rst(1'b0), .in(fp_gpio_in_int), .out(ps_gpio_in)
);
synchronizer #(
.INITIAL_VAL(1'b0), .WIDTH(FP_GPIO_WIDTH)
) radio_gpio_in_sync_i (
.clk(radio_clk), .rst(1'b0), .in(fp_gpio_in_int), .out(radio_gpio_sync)
);
generate
for (i=0; i<NUM_CHANNELS; i=i+1) begin: gen_fp_gpio_in_sync
assign radio_gpio_in[i][FP_GPIO_WIDTH-1:0] = radio_gpio_sync;
end
endgenerate
// For each of the FP GPIO bits, implement four control muxes, then the IO buffer.
generate
for (i=0; i<FP_GPIO_WIDTH; i=i+1) begin: gpio_muxing_gen
// 1) Select which radio drives the output
assign radio_gpio_src_out[i] = radio_gpio_out[fp_gpio_src_reg[2*i+1:2*i]][i];
always @ (posedge radio_clk) begin
if (radio_rst) begin
radio_gpio_src_out_reg <= 'b0;
end else begin
radio_gpio_src_out_reg <= radio_gpio_src_out;
end
end
// 2) Select which radio drives the direction
assign radio_gpio_src_ddr[i] = radio_gpio_ddr[fp_gpio_src_reg[2*i+1:2*i]][i];
always @ (posedge radio_clk) begin
if (radio_rst) begin
radio_gpio_src_ddr_reg <= 'b0;
end else begin
radio_gpio_src_ddr_reg <= radio_gpio_src_ddr;
end
end
// 3) Select if the radio or the ps drives the output
// The following is implementing a 2:1 mux in a LUT6 explicitly to avoid
// glitching behavior that is introduced by unexpected Vivado synthesis.
(* dont_touch = "TRUE" *) LUT3 #(
.INIT(8'hCA) // Specify LUT Contents. O = ~I2&I0 | I2&I1
) mux_out_i (
.O(fp_gpio_out_int[i]), // LUT general output. Mux output
.I0(radio_gpio_src_out_reg[i]), // LUT input. Input 1
.I1(ps_gpio_out[i]), // LUT input. Input 2
.I2(fp_gpio_master_reg[i])// LUT input. Select bit
);
// 4) Select if the radio or the ps drives the direction
(* dont_touch = "TRUE" *) LUT3 #(
.INIT(8'hC5) // Specify LUT Contents. O = ~I2&I0 | I2&~I1
) mux_ddr_i (
.O(fp_gpio_ddr_int[i]), // LUT general output. Mux output
.I0(radio_gpio_src_ddr_reg[i]), // LUT input. Input 1
.I1(ps_gpio_tri[i]), // LUT input. Input 2
.I2(fp_gpio_master_reg[i]) // LUT input. Select bit
);
// Infer the IOBUFT
assign fp_gpio_inout[i] = fp_gpio_ddr_int[i] ? 1'bz : fp_gpio_out_int[i];
assign fp_gpio_in_int[i] = fp_gpio_inout[i];
end
endgenerate
// Timekeeper
wire [63:0] radio_time;
timekeeper #(
.BASE_ADDR (REG_BASE_TIMEKEEPER),
.TIME_INCREMENT (1'b1)
) timekeeper_i (
.tb_clk (radio_clk),
.tb_rst (radio_rst),
.s_ctrlport_clk (bus_clk),
.s_ctrlport_req_wr (reg_wr_req),
.s_ctrlport_req_rd (reg_rd_req),
.s_ctrlport_req_addr (reg_wr_req ? reg_wr_addr: reg_rd_addr),
.s_ctrlport_req_data (reg_wr_data),
.s_ctrlport_resp_ack (reg_rd_resp_tk),
.s_ctrlport_resp_data (reg_rd_data_tk),
.sample_rx_stb (rx_stb[0]),
.pps (pps),
.tb_timestamp (radio_time),
.tb_timestamp_last_pps (),
.tb_period_ns_q32 ()
);
// Unused memory AXI ports
for (i = 0; i < NUM_DRAM_FIFOS; i = i+1) begin : gen_unused_ram_signals
assign dram_axi_buser[i] = 4'b0;
assign dram_axi_ruser[i] = 4'b0;
end
rfnoc_image_core #(
.PROTOVER(RFNOC_PROTOVER)
) rfnoc_sandbox_i (
.chdr_aclk (bus_clk ),
.ctrl_aclk (clk40 ),
.core_arst (bus_rst ),
.device_id (device_id ),
.radio_clk (radio_clk ),
.dram_clk (ddr3_dma_clk),
`ifndef N300
.m_ctrlport_radio1_req_wr (m_ctrlport_req_wr_radio1 ),
.m_ctrlport_radio1_req_rd (m_ctrlport_req_rd_radio1 ),
.m_ctrlport_radio1_req_addr (m_ctrlport_req_addr_radio1 ),
.m_ctrlport_radio1_req_data (m_ctrlport_req_data_radio1 ),
.m_ctrlport_radio1_req_byte_en (m_ctrlport_req_byte_en_radio1 ),
.m_ctrlport_radio1_req_has_time (m_ctrlport_req_has_time_radio1),
.m_ctrlport_radio1_req_time (m_ctrlport_req_time_radio1 ),
.m_ctrlport_radio1_resp_ack (m_ctrlport_resp_ack_radio1 ),
.m_ctrlport_radio1_resp_status (m_ctrlport_resp_status_radio1 ),
.m_ctrlport_radio1_resp_data (m_ctrlport_resp_data_radio1 ),
`endif
.m_ctrlport_radio0_req_wr (m_ctrlport_req_wr_radio0 ),
.m_ctrlport_radio0_req_rd (m_ctrlport_req_rd_radio0 ),
.m_ctrlport_radio0_req_addr (m_ctrlport_req_addr_radio0 ),
.m_ctrlport_radio0_req_data (m_ctrlport_req_data_radio0 ),
.m_ctrlport_radio0_req_byte_en (m_ctrlport_req_byte_en_radio0 ),
.m_ctrlport_radio0_req_has_time (m_ctrlport_req_has_time_radio0),
.m_ctrlport_radio0_req_time (m_ctrlport_req_time_radio0 ),
.m_ctrlport_radio0_resp_ack (m_ctrlport_resp_ack_radio0 ),
.m_ctrlport_radio0_resp_status (m_ctrlport_resp_status_radio0 ),
.m_ctrlport_radio0_resp_data (m_ctrlport_resp_data_radio0 ),
.axi_rst (ddr3_dma_rst),
.m_axi_awid ({dram_axi_awid [3], dram_axi_awid [2], dram_axi_awid [1], dram_axi_awid [0]}),
.m_axi_awaddr ({dram_axi_awaddr [3], dram_axi_awaddr [2], dram_axi_awaddr [1], dram_axi_awaddr [0]}),
.m_axi_awlen ({dram_axi_awlen [3], dram_axi_awlen [2], dram_axi_awlen [1], dram_axi_awlen [0]}),
.m_axi_awsize ({dram_axi_awsize [3], dram_axi_awsize [2], dram_axi_awsize [1], dram_axi_awsize [0]}),
.m_axi_awburst ({dram_axi_awburst [3], dram_axi_awburst [2], dram_axi_awburst [1], dram_axi_awburst [0]}),
.m_axi_awlock ({dram_axi_awlock [3], dram_axi_awlock [2], dram_axi_awlock [1], dram_axi_awlock [0]}),
.m_axi_awcache ({dram_axi_awcache [3], dram_axi_awcache [2], dram_axi_awcache [1], dram_axi_awcache [0]}),
.m_axi_awprot ({dram_axi_awprot [3], dram_axi_awprot [2], dram_axi_awprot [1], dram_axi_awprot [0]}),
.m_axi_awqos ({dram_axi_awqos [3], dram_axi_awqos [2], dram_axi_awqos [1], dram_axi_awqos [0]}),
.m_axi_awregion ({dram_axi_awregion[3], dram_axi_awregion[2], dram_axi_awregion[1], dram_axi_awregion[0]}),
.m_axi_awuser ({dram_axi_awuser [3], dram_axi_awuser [2], dram_axi_awuser [1], dram_axi_awuser [0]}),
.m_axi_awvalid ({dram_axi_awvalid [3], dram_axi_awvalid [2], dram_axi_awvalid [1], dram_axi_awvalid [0]}),
.m_axi_awready ({dram_axi_awready [3], dram_axi_awready [2], dram_axi_awready [1], dram_axi_awready [0]}),
.m_axi_wdata ({dram_axi_wdata [3], dram_axi_wdata [2], dram_axi_wdata [1], dram_axi_wdata [0]}),
.m_axi_wstrb ({dram_axi_wstrb [3], dram_axi_wstrb [2], dram_axi_wstrb [1], dram_axi_wstrb [0]}),
.m_axi_wlast ({dram_axi_wlast [3], dram_axi_wlast [2], dram_axi_wlast [1], dram_axi_wlast [0]}),
.m_axi_wuser ({dram_axi_wuser [3], dram_axi_wuser [2], dram_axi_wuser [1], dram_axi_wuser [0]}),
.m_axi_wvalid ({dram_axi_wvalid [3], dram_axi_wvalid [2], dram_axi_wvalid [1], dram_axi_wvalid [0]}),
.m_axi_wready ({dram_axi_wready [3], dram_axi_wready [2], dram_axi_wready [1], dram_axi_wready [0]}),
.m_axi_bid ({dram_axi_bid [3], dram_axi_bid [2], dram_axi_bid [1], dram_axi_bid [0]}),
.m_axi_bresp ({dram_axi_bresp [3], dram_axi_bresp [2], dram_axi_bresp [1], dram_axi_bresp [0]}),
.m_axi_buser ({dram_axi_buser [3], dram_axi_buser [2], dram_axi_buser [1], dram_axi_buser [0]}),
.m_axi_bvalid ({dram_axi_bvalid [3], dram_axi_bvalid [2], dram_axi_bvalid [1], dram_axi_bvalid [0]}),
.m_axi_bready ({dram_axi_bready [3], dram_axi_bready [2], dram_axi_bready [1], dram_axi_bready [0]}),
.m_axi_arid ({dram_axi_arid [3], dram_axi_arid [2], dram_axi_arid [1], dram_axi_arid [0]}),
.m_axi_araddr ({dram_axi_araddr [3], dram_axi_araddr [2], dram_axi_araddr [1], dram_axi_araddr [0]}),
.m_axi_arlen ({dram_axi_arlen [3], dram_axi_arlen [2], dram_axi_arlen [1], dram_axi_arlen [0]}),
.m_axi_arsize ({dram_axi_arsize [3], dram_axi_arsize [2], dram_axi_arsize [1], dram_axi_arsize [0]}),
.m_axi_arburst ({dram_axi_arburst [3], dram_axi_arburst [2], dram_axi_arburst [1], dram_axi_arburst [0]}),
.m_axi_arlock ({dram_axi_arlock [3], dram_axi_arlock [2], dram_axi_arlock [1], dram_axi_arlock [0]}),
.m_axi_arcache ({dram_axi_arcache [3], dram_axi_arcache [2], dram_axi_arcache [1], dram_axi_arcache [0]}),
.m_axi_arprot ({dram_axi_arprot [3], dram_axi_arprot [2], dram_axi_arprot [1], dram_axi_arprot [0]}),
.m_axi_arqos ({dram_axi_arqos [3], dram_axi_arqos [2], dram_axi_arqos [1], dram_axi_arqos [0]}),
.m_axi_arregion ({dram_axi_arregion[3], dram_axi_arregion[2], dram_axi_arregion[1], dram_axi_arregion[0]}),
.m_axi_aruser ({dram_axi_aruser [3], dram_axi_aruser [2], dram_axi_aruser [1], dram_axi_aruser [0]}),
.m_axi_arvalid ({dram_axi_arvalid [3], dram_axi_arvalid [2], dram_axi_arvalid [1], dram_axi_arvalid [0]}),
.m_axi_arready ({dram_axi_arready [3], dram_axi_arready [2], dram_axi_arready [1], dram_axi_arready [0]}),
.m_axi_rid ({dram_axi_rid [3], dram_axi_rid [2], dram_axi_rid [1], dram_axi_rid [0]}),
.m_axi_rdata ({dram_axi_rdata [3], dram_axi_rdata [2], dram_axi_rdata [1], dram_axi_rdata [0]}),
.m_axi_rresp ({dram_axi_rresp [3], dram_axi_rresp [2], dram_axi_rresp [1], dram_axi_rresp [0]}),
.m_axi_rlast ({dram_axi_rlast [3], dram_axi_rlast [2], dram_axi_rlast [1], dram_axi_rlast [0]}),
.m_axi_ruser ({dram_axi_ruser [3], dram_axi_ruser [2], dram_axi_ruser [1], dram_axi_ruser [0]}),
.m_axi_rvalid ({dram_axi_rvalid [3], dram_axi_rvalid [2], dram_axi_rvalid [1], dram_axi_rvalid [0]}),
.m_axi_rready ({dram_axi_rready [3], dram_axi_rready [2], dram_axi_rready [1], dram_axi_rready [0]}),
.radio_time (radio_time ),
`ifdef N320
.radio_rx_stb_radio0 ( rx_stb [0] ),
.radio_rx_data_radio0 ( rx_data[0] ),
.radio_rx_running_radio0 ( rx_running[0] ),
.radio_tx_stb_radio0 ( tx_stb [0] ),
.radio_tx_data_radio0 ( tx_data[0] ),
.radio_tx_running_radio0 ( tx_running[0] ),
.radio_rx_stb_radio1 ( rx_stb [1] ),
.radio_rx_data_radio1 ( rx_data[1] ),
.radio_rx_running_radio1 ( rx_running[1] ),
.radio_tx_stb_radio1 ( tx_stb [1] ),
.radio_tx_data_radio1 ( tx_data[1] ),
.radio_tx_running_radio1 ( tx_running[1] ),
`endif
`ifndef N320
.radio_rx_stb_radio0 ({rx_stb[1], rx_stb [0] }),
.radio_rx_data_radio0 ({rx_data[1], rx_data[0] }),
.radio_rx_running_radio0 ({rx_running[1], rx_running[0]}),
.radio_tx_stb_radio0 ({tx_stb[1], tx_stb [0] }),
.radio_tx_data_radio0 ({tx_data[1], tx_data[0] }),
.radio_tx_running_radio0 ({tx_running[1], tx_running[0]}),
`endif
`ifdef N310
.radio_rx_stb_radio1 ({rx_stb[3], rx_stb [2] }),
.radio_rx_data_radio1 ({rx_data[3], rx_data[2] }),
.radio_rx_running_radio1 ({rx_running[3], rx_running[2]}),
.radio_tx_stb_radio1 ({tx_stb[3], tx_stb [2] }),
.radio_tx_data_radio1 ({tx_data[3], tx_data[2] }),
.radio_tx_running_radio1 ({tx_running[3], tx_running[2]}),
`endif
.s_eth0_tdata (e2v0_tdata ),
.s_eth0_tlast (e2v0_tlast ),
.s_eth0_tvalid (e2v0_tvalid),
.s_eth0_tready (e2v0_tready),
.m_eth0_tdata (v2e0_tdata ),
.m_eth0_tlast (v2e0_tlast ),
.m_eth0_tvalid (v2e0_tvalid),
.m_eth0_tready (v2e0_tready),
.s_eth1_tdata (e2v1_tdata ),
.s_eth1_tlast (e2v1_tlast ),
.s_eth1_tvalid (e2v1_tvalid),
.s_eth1_tready (e2v1_tready),
.m_eth1_tdata (v2e1_tdata ),
.m_eth1_tlast (v2e1_tlast ),
.m_eth1_tvalid (v2e1_tvalid),
.m_eth1_tready (v2e1_tready),
.s_dma_tdata (dmai_tdata),
.s_dma_tlast (dmai_tlast),
.s_dma_tvalid (dmai_tvalid),
.s_dma_tready (dmai_tready),
.m_dma_tdata (dmao_tdata),
.m_dma_tlast (dmao_tlast),
.m_dma_tvalid (dmao_tvalid),
.m_dma_tready (dmao_tready)
);
//---------------------------------------------------------------------------
// Convert Control Port to Settings Bus
//---------------------------------------------------------------------------
`ifdef N320
ctrlport_to_settings_bus # (
.NUM_PORTS (NUM_CHANNELS_PER_RADIO),
.USE_TIME (1)
) ctrlport0_to_settings_bus_i (
.ctrlport_clk (radio_clk),
.ctrlport_rst (radio_rst),
.s_ctrlport_req_wr (m_ctrlport_req_wr_radio0),
.s_ctrlport_req_rd (m_ctrlport_req_rd_radio0),
.s_ctrlport_req_addr (m_ctrlport_req_addr_radio0),
.s_ctrlport_req_data (m_ctrlport_req_data_radio0),
.s_ctrlport_req_has_time (m_ctrlport_req_has_time_radio0),
.s_ctrlport_req_time (m_ctrlport_req_time_radio0),
.s_ctrlport_resp_ack (m_ctrlport_resp_ack_radio0),
.s_ctrlport_resp_data (m_ctrlport_resp_data_radio0),
.set_data (db_fe_set_data[0]),
.set_addr (db_fe_set_addr[0]),
.set_stb (db_fe_set_stb[0]),
.set_time (),
.set_has_time (),
.rb_stb (db_fe_rb_stb[0]),
.rb_addr (db_fe_rb_addr[0]),
.rb_data (db_fe_rb_data[0]),
.timestamp (radio_time)
);
ctrlport_to_settings_bus # (
.NUM_PORTS (NUM_CHANNELS_PER_RADIO),
.USE_TIME (1)
) ctrlport1_to_settings_bus_i (
.ctrlport_clk (radio_clk),
.ctrlport_rst (radio_rst),
.s_ctrlport_req_wr (m_ctrlport_req_wr_radio1),
.s_ctrlport_req_rd (m_ctrlport_req_rd_radio1),
.s_ctrlport_req_addr (m_ctrlport_req_addr_radio1),
.s_ctrlport_req_data (m_ctrlport_req_data_radio1),
.s_ctrlport_req_has_time (m_ctrlport_req_has_time_radio1),
.s_ctrlport_req_time (m_ctrlport_req_time_radio1),
.s_ctrlport_resp_ack (m_ctrlport_resp_ack_radio1),
.s_ctrlport_resp_data (m_ctrlport_resp_data_radio1),
.set_data (db_fe_set_data[1]),
.set_addr (db_fe_set_addr[1]),
.set_stb (db_fe_set_stb[1]),
.set_time (),
.set_has_time (),
.rb_stb (db_fe_rb_stb[1]),
.rb_addr (db_fe_rb_addr[1]),
.rb_data (db_fe_rb_data[1]),
.timestamp (radio_time)
);
`endif
`ifndef N320
ctrlport_to_settings_bus # (
.NUM_PORTS (NUM_CHANNELS_PER_RADIO),
.USE_TIME (1)
) ctrlport0_to_settings_bus_i (
.ctrlport_clk (radio_clk),
.ctrlport_rst (radio_rst),
.s_ctrlport_req_wr (m_ctrlport_req_wr_radio0),
.s_ctrlport_req_rd (m_ctrlport_req_rd_radio0),
.s_ctrlport_req_addr (m_ctrlport_req_addr_radio0),
.s_ctrlport_req_data (m_ctrlport_req_data_radio0),
.s_ctrlport_req_has_time (m_ctrlport_req_has_time_radio0),
.s_ctrlport_req_time (m_ctrlport_req_time_radio0),
.s_ctrlport_resp_ack (m_ctrlport_resp_ack_radio0),
.s_ctrlport_resp_data (m_ctrlport_resp_data_radio0),
.set_data ({db_fe_set_data[1], db_fe_set_data[0]}),
.set_addr ({db_fe_set_addr[1], db_fe_set_addr[0]}),
.set_stb ({db_fe_set_stb[1], db_fe_set_stb[0] }),
.set_time (),
.set_has_time (),
.rb_stb ({db_fe_rb_stb[1], db_fe_rb_stb[0] }),
.rb_addr ({db_fe_rb_addr[1], db_fe_rb_addr[0] }),
.rb_data ({db_fe_rb_data[1], db_fe_rb_data[0] }),
.timestamp (radio_time)
);
`ifndef N300
ctrlport_to_settings_bus # (
.NUM_PORTS (NUM_CHANNELS_PER_RADIO),
.USE_TIME (1)
) ctrlport1_to_settings_bus_i (
.ctrlport_clk (radio_clk),
.ctrlport_rst (radio_rst),
.s_ctrlport_req_wr (m_ctrlport_req_wr_radio1),
.s_ctrlport_req_rd (m_ctrlport_req_rd_radio1),
.s_ctrlport_req_addr (m_ctrlport_req_addr_radio1),
.s_ctrlport_req_data (m_ctrlport_req_data_radio1),
.s_ctrlport_req_has_time (m_ctrlport_req_has_time_radio1),
.s_ctrlport_req_time (m_ctrlport_req_time_radio1),
.s_ctrlport_resp_ack (m_ctrlport_resp_ack_radio1),
.s_ctrlport_resp_data (m_ctrlport_resp_data_radio1),
.set_data ({db_fe_set_data[3], db_fe_set_data[2]}),
.set_addr ({db_fe_set_addr[3], db_fe_set_addr[2]}),
.set_stb ({db_fe_set_stb[3], db_fe_set_stb[2] }),
.set_time (),
.set_has_time (),
.rb_stb ({db_fe_rb_stb[3], db_fe_rb_stb[2] }),
.rb_addr ({db_fe_rb_addr[3], db_fe_rb_addr[2] }),
.rb_data ({db_fe_rb_data[3], db_fe_rb_data[2] }),
.timestamp (radio_time)
);
`endif
`endif
endmodule //n3xx_core