Files
b210-k7-fpga/top/n3xx/n3xx_core.v
T
Wade Fife 61ee0ddec3 fpga: Use PROTOVER and CHDR_W from RFNoC image builder
This updates all RFNoC devices so that they get the RFNoC protocol
version and CHDR width in the same way, from the output generated by
the RFNoC image builder.


Original-commit: 6f038dc2f69b38e715206b2e700fdd3a1bbc638e
2022-03-29 14:45:04 -05:00

1366 lines
56 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 CHDR_W = 64,
parameter RFNOC_PROTOVER = {8'd1, 8'd0}
)(
// 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 s_dma_tlast,
output wire s_dma_tready,
input wire s_dma_tvalid,
output wire [63:0] m_dma_tdata,
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
);
`include "../../lib/rfnoc/core/ctrlport.vh"
/////////////////////////////////////////////////////////////////////////////////
//
// 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'd8;
localparam [15:0] COMPAT_MINOR = 16'd0;
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
// Motherboard Registers
/////////////////////////////////////////////////////////////////////////////////
// Register base
localparam [CTRLPORT_ADDR_W-1:0] REG_BASE_MISC = 20'h0;
localparam [CTRLPORT_ADDR_W-1:0] REG_BASE_NPIO = 20'h200;
localparam [CTRLPORT_ADDR_W-1:0] REG_BASE_TIMEKEEPER = 20'h1000;
// Register region sizes. Give each register region a 256-byte window.
localparam REG_GLOB_ADDR_W = 8;
localparam REG_NPIO_ADDR_W = 8;
localparam REG_TIMEKEEPER_ADDR_W = 8;
// 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 = 1;
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
/////////////////////////////////////////////////////////////////////////////
//
// Bus Bridge
//
/////////////////////////////////////////////////////////////////////////////
// Specify timeout for CtrlPort transactions that don't complete.
localparam CTRLPORT_TIMEOUT = 20;
wire cp_req_wr_aclk;
wire cp_req_rd_aclk;
wire [CTRLPORT_ADDR_W-1:0] cp_req_addr_aclk;
wire [CTRLPORT_DATA_W-1:0] cp_req_data_aclk;
wire cp_resp_ack_aclk;
wire [ CTRLPORT_STS_W-1:0] cp_resp_status_aclk;
wire [CTRLPORT_DATA_W-1:0] cp_resp_data_aclk;
// Convert the AXI4-Lite transactions to CtrlPort
axil_ctrlport_master #(
.TIMEOUT (CTRLPORT_TIMEOUT),
.AXI_AWIDTH (REG_AWIDTH),
.CTRLPORT_AWIDTH (CTRLPORT_ADDR_W)
) axil_ctrlport_master_i (
.s_axi_aclk (s_axi_aclk),
.s_axi_aresetn (s_axi_aresetn),
.s_axi_awaddr (s_axi_awaddr),
.s_axi_awvalid (s_axi_awvalid),
.s_axi_awready (s_axi_awready),
.s_axi_wdata (s_axi_wdata),
.s_axi_wstrb (s_axi_wstrb),
.s_axi_wvalid (s_axi_wvalid),
.s_axi_wready (s_axi_wready),
.s_axi_bresp (s_axi_bresp),
.s_axi_bvalid (s_axi_bvalid),
.s_axi_bready (s_axi_bready),
.s_axi_araddr (s_axi_araddr),
.s_axi_arvalid (s_axi_arvalid),
.s_axi_arready (s_axi_arready),
.s_axi_rdata (s_axi_rdata),
.s_axi_rresp (s_axi_rresp),
.s_axi_rvalid (s_axi_rvalid),
.s_axi_rready (s_axi_rready),
.m_ctrlport_req_wr (cp_req_wr_aclk),
.m_ctrlport_req_rd (cp_req_rd_aclk),
.m_ctrlport_req_addr (cp_req_addr_aclk),
.m_ctrlport_req_portid (),
.m_ctrlport_req_rem_epid (),
.m_ctrlport_req_rem_portid (),
.m_ctrlport_req_data (cp_req_data_aclk),
.m_ctrlport_req_byte_en (),
.m_ctrlport_req_has_time (),
.m_ctrlport_req_time (),
.m_ctrlport_resp_ack (cp_resp_ack_aclk),
.m_ctrlport_resp_status (cp_resp_status_aclk),
.m_ctrlport_resp_data (cp_resp_data_aclk)
);
wire cp_req_wr;
wire cp_req_rd;
wire [CTRLPORT_ADDR_W-1:0] cp_req_addr;
wire [CTRLPORT_DATA_W-1:0] cp_req_data;
wire cp_resp_ack;
wire [ CTRLPORT_STS_W-1:0] cp_resp_status;
wire [CTRLPORT_DATA_W-1:0] cp_resp_data;
// Cross transactions from s_axi_clk to bus_clk domain
ctrlport_clk_cross ctrlport_clk_cross_i (
.rst (~s_axi_aresetn),
.s_ctrlport_clk (s_axi_aclk),
.s_ctrlport_req_wr (cp_req_wr_aclk),
.s_ctrlport_req_rd (cp_req_rd_aclk),
.s_ctrlport_req_addr (cp_req_addr_aclk),
.s_ctrlport_req_portid ({CTRLPORT_PORTID_W{1'b0}}),
.s_ctrlport_req_rem_epid ({CTRLPORT_REM_EPID_W{1'b0}}),
.s_ctrlport_req_rem_portid ({CTRLPORT_PORTID_W{1'b0}}),
.s_ctrlport_req_data (cp_req_data_aclk),
.s_ctrlport_req_byte_en ({CTRLPORT_BYTE_EN_W{1'b1}}),
.s_ctrlport_req_has_time (1'b0),
.s_ctrlport_req_time ({CTRLPORT_TIME_W{1'b0}}),
.s_ctrlport_resp_ack (cp_resp_ack_aclk),
.s_ctrlport_resp_status (cp_resp_status_aclk),
.s_ctrlport_resp_data (cp_resp_data_aclk),
.m_ctrlport_clk (bus_clk),
.m_ctrlport_req_wr (cp_req_wr),
.m_ctrlport_req_rd (cp_req_rd),
.m_ctrlport_req_addr (cp_req_addr),
.m_ctrlport_req_portid (),
.m_ctrlport_req_rem_epid (),
.m_ctrlport_req_rem_portid (),
.m_ctrlport_req_data (cp_req_data),
.m_ctrlport_req_byte_en (),
.m_ctrlport_req_has_time (),
.m_ctrlport_req_time (),
.m_ctrlport_resp_ack (cp_resp_ack),
.m_ctrlport_resp_status (cp_resp_status),
.m_ctrlport_resp_data (cp_resp_data)
);
wire cp_glob_req_wr;
wire cp_glob_req_rd;
wire [CTRLPORT_ADDR_W-1:0] cp_glob_req_addr;
wire [CTRLPORT_DATA_W-1:0] cp_glob_req_data;
reg cp_glob_resp_ack = 1'b0;
reg [CTRLPORT_DATA_W-1:0] cp_glob_resp_data = 1'bX;
wire cp_npio_req_wr;
wire cp_npio_req_rd;
wire [CTRLPORT_ADDR_W-1:0] cp_npio_req_addr;
wire [CTRLPORT_DATA_W-1:0] cp_npio_req_data;
wire cp_npio_resp_ack;
wire [CTRLPORT_DATA_W-1:0] cp_npio_resp_data;
wire cp_tk_req_wr;
wire cp_tk_req_rd;
wire [CTRLPORT_ADDR_W-1:0] cp_tk_req_addr;
wire [CTRLPORT_DATA_W-1:0] cp_tk_req_data;
wire cp_tk_resp_ack;
wire [CTRLPORT_DATA_W-1:0] cp_tk_resp_data;
// Split the CtrlPort for the global registers and the timekeeper registers
ctrlport_decoder_param #(
.NUM_SLAVES (3),
.PORT_BASE ({ REG_BASE_TIMEKEEPER, REG_BASE_NPIO, REG_BASE_MISC }),
.PORT_ADDR_W ({ REG_TIMEKEEPER_ADDR_W, REG_NPIO_ADDR_W, REG_GLOB_ADDR_W })
) ctrlport_decoder_param_i (
.ctrlport_clk (bus_clk),
.ctrlport_rst (bus_rst),
.s_ctrlport_req_wr (cp_req_wr),
.s_ctrlport_req_rd (cp_req_rd),
.s_ctrlport_req_addr (cp_req_addr),
.s_ctrlport_req_data (cp_req_data),
.s_ctrlport_req_byte_en ({CTRLPORT_BYTE_EN_W{1'b1}}),
.s_ctrlport_req_has_time (1'b0),
.s_ctrlport_req_time ({CTRLPORT_TIME_W{1'b0}}),
.s_ctrlport_resp_ack (cp_resp_ack),
.s_ctrlport_resp_status (cp_resp_status),
.s_ctrlport_resp_data (cp_resp_data),
.m_ctrlport_req_wr ({ cp_tk_req_wr, cp_npio_req_wr, cp_glob_req_wr }),
.m_ctrlport_req_rd ({ cp_tk_req_rd, cp_npio_req_rd, cp_glob_req_rd }),
.m_ctrlport_req_addr ({ cp_tk_req_addr, cp_npio_req_addr, cp_glob_req_addr }),
.m_ctrlport_req_data ({ cp_tk_req_data, cp_npio_req_data, cp_glob_req_data }),
.m_ctrlport_req_byte_en (),
.m_ctrlport_req_has_time (),
.m_ctrlport_req_time (),
.m_ctrlport_resp_ack ({ cp_tk_resp_ack, cp_npio_resp_ack, cp_glob_resp_ack }),
.m_ctrlport_resp_status ({2{CTRL_STS_OKAY}}),
.m_ctrlport_resp_data ({ cp_tk_resp_data, cp_npio_resp_data, cp_glob_resp_data })
);
// Convert NPIO from CtrlPort to RegPort
ctrlport_to_regport #(
.REG_AWIDTH (REG_AWIDTH),
.REG_DWIDTH (REG_DWIDTH)
) ctrlport_to_regport_i (
.clk (bus_clk),
.rst (bus_rst),
.s_ctrlport_req_wr (cp_npio_req_wr),
.s_ctrlport_req_rd (cp_npio_req_rd),
.s_ctrlport_req_addr (cp_npio_req_addr),
.s_ctrlport_req_data (cp_npio_req_data),
.s_ctrlport_resp_ack (cp_npio_resp_ack),
.s_ctrlport_resp_data (cp_npio_resp_data),
.reg_wr_req (reg_wr_req_npio),
.reg_wr_addr (reg_wr_addr_npio),
.reg_wr_data (reg_wr_data_npio),
.reg_rd_req (reg_rd_req_npio),
.reg_rd_addr (reg_rd_addr_npio),
.reg_rd_resp (reg_rd_resp_npio),
.reg_rd_data (reg_rd_data_npio)
);
/////////////////////////////////////////////////////////////////////////////
//
// Global Registers
//
/////////////////////////////////////////////////////////////////////////////
reg b_ref_clk_locked_ms;
reg b_ref_clk_locked;
reg b_meas_clk_locked_ms;
reg b_meas_clk_locked;
always @ (posedge bus_clk) begin
if (bus_rst) begin
cp_glob_resp_ack <= 1'b0;
cp_glob_resp_data <= 'bX;
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;
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
cp_glob_resp_ack <= 1'b0;
if (cp_glob_req_wr) begin
cp_glob_resp_ack <= 1'b1;
case (cp_glob_req_addr[REG_GLOB_ADDR_W-1:0])
REG_DEVICE_ID:
device_id <= cp_glob_req_data[15:0];
REG_FP_GPIO_MASTER:
fp_gpio_master_reg <= cp_glob_req_data;
REG_FP_GPIO_RADIO_SRC:
fp_gpio_src_reg <= cp_glob_req_data;
REG_SCRATCH:
scratch_reg <= cp_glob_req_data;
REG_CLOCK_CTRL: begin
pps_select <= cp_glob_req_data[3:0];
pps_out_enb <= cp_glob_req_data[4];
pps_select_sfp <= cp_glob_req_data[6:5];
ref_clk_reset <= cp_glob_req_data[8];
meas_clk_reset <= cp_glob_req_data[12];
// This bit is defined as "to disable, write '1' to bit 16" for backwards
// compatibility.
enable_ref_clk_async <= ~cp_glob_req_data[16];
end
default: begin
// Don't acknowledge if the address doesn't match
cp_glob_resp_ack <= 1'b0;
end
endcase
end
// 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 (cp_glob_req_rd) begin
cp_glob_resp_data <= 0; // Unused bits will read 0
cp_glob_resp_ack <= 1'b1;
case (cp_glob_req_addr[REG_GLOB_ADDR_W-1:0])
REG_DEVICE_ID:
cp_glob_resp_data <= {16'd0, device_id};
REG_RFNOC_INFO:
cp_glob_resp_data <= {CHDR_W[15:0], RFNOC_PROTOVER[15:0]};
REG_COMPAT_NUM:
cp_glob_resp_data <= {COMPAT_MAJOR, COMPAT_MINOR};
REG_DATESTAMP:
cp_glob_resp_data <= build_datestamp;
REG_GIT_HASH:
`ifndef GIT_HASH
`define GIT_HASH 32'h0BADC0DE
`endif
cp_glob_resp_data <= `GIT_HASH;
REG_FP_GPIO_MASTER:
cp_glob_resp_data <= fp_gpio_master_reg;
REG_FP_GPIO_RADIO_SRC:
cp_glob_resp_data <= fp_gpio_src_reg;
REG_SCRATCH:
cp_glob_resp_data <= scratch_reg;
REG_CLOCK_CTRL: begin
cp_glob_resp_data <= 32'b0;
cp_glob_resp_data[3:0] <= pps_select;
cp_glob_resp_data[4] <= pps_out_enb;
cp_glob_resp_data[6:5] <= pps_select_sfp;
cp_glob_resp_data[8] <= ref_clk_reset;
cp_glob_resp_data[9] <= b_ref_clk_locked;
cp_glob_resp_data[12] <= meas_clk_reset;
cp_glob_resp_data[13] <= b_meas_clk_locked;
cp_glob_resp_data[16] <= ~enable_ref_clk_async;
end
REG_XADC_READBACK:
cp_glob_resp_data <= xadc_readback;
REG_BUS_CLK_RATE:
cp_glob_resp_data <= BUS_CLK_RATE;
REG_BUS_CLK_COUNT:
cp_glob_resp_data <= bus_counter;
REG_SFP_PORT0_INFO:
cp_glob_resp_data <= sfp_ports_info[31:0];
REG_SFP_PORT1_INFO:
cp_glob_resp_data <= sfp_ports_info[63:32];
REG_NUM_TIMEKEEPERS:
cp_glob_resp_data <= NUM_TIMEKEEPERS;
default: begin
// Don't acknowledge if the address doesn't match
cp_glob_resp_ack <= 1'b0;
end
endcase
end
end
end
/////////////////////////////////////////////////////////////////////
//
// 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 [30:0] 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 [30:0] 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 ({1,b0, 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 (0), // ctrlport_decoder removes the base offset
.TIME_INCREMENT (1'b1)
) timekeeper_i (
.tb_clk (radio_clk),
.tb_rst (radio_rst),
.s_ctrlport_clk (bus_clk),
.s_ctrlport_req_wr (cp_tk_req_wr),
.s_ctrlport_req_rd (cp_tk_req_rd),
.s_ctrlport_req_addr (cp_tk_req_addr),
.s_ctrlport_req_data (cp_tk_req_data),
.s_ctrlport_resp_ack (cp_tk_resp_ack),
.s_ctrlport_resp_data (cp_tk_resp_data),
.sample_rx_stb (rx_stb[0]),
.pps (pps),
.tb_timestamp (radio_time),
.tb_timestamp_last_pps (),
.tb_period_ns_q32 ()
);
/////////////////////////////////////////////////////////////////////////////
//
// RFNoC Image Core
//
/////////////////////////////////////////////////////////////////////////////
// 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 #(
.CHDR_W (CHDR_W),
.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 (s_dma_tdata),
.s_dma_tlast (s_dma_tlast),
.s_dma_tvalid (s_dma_tvalid),
.s_dma_tready (s_dma_tready),
.m_dma_tdata (m_dma_tdata),
.m_dma_tlast (m_dma_tlast),
.m_dma_tvalid (m_dma_tvalid),
.m_dma_tready (m_dma_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