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1115 lines
50 KiB
Systemverilog
1115 lines
50 KiB
Systemverilog
//
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// Copyright 2025 Ettus Research, a National Instruments Brand
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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//
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// Module: b310
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//
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// Description: Top-level module for B310 devices.
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//
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`default_nettype none
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module b310
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(
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//-------------------------------------------------------------------------
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// Clocks and resets.
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//-------------------------------------------------------------------------
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input wire DEVCLK_P,
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input wire DEVCLK_N,
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input wire FPGA_REFCLK_N,
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input wire FPGA_REFCLK_P,
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input wire EXT_REFCLK_N,
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input wire EXT_REFCLK_P,
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input wire JESD_CLK_N,
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input wire JESD_CLK_P,
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input wire SYSREF_N,
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input wire SYSREF_P,
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input wire PCIE_REF_CLK_P,
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input wire PCIE_REF_CLK_N,
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input wire PCIE_PRESENT_N,
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input wire PCIE_RESET_N,
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// PCIe lanes
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input wire [3:0] PCIE_RX_P,
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input wire [3:0] PCIE_RX_N,
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output wire [3:0] PCIE_TX_P,
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output wire [3:0] PCIE_TX_N,
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///////////////////////////////////
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//
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// DRAM Interface
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//
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///////////////////////////////////
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`ifdef ENABLE_DRAM
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inout wire [31:0] ddr3_dq, // Data pins. Input for Reads, Output for Writes.
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inout wire [ 3:0] ddr3_dqs_n, // Data Strobes. Input for Reads, Output for Writes.
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inout wire [ 3:0] ddr3_dqs_p,
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//
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output wire [14:0] ddr3_addr, // Address
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output wire [ 2:0] ddr3_ba, // Bank Address
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output wire ddr3_ras_n, // Row Address Strobe.
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output wire ddr3_cas_n, // Column address select
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output wire ddr3_we_n, // Write Enable
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output wire ddr3_reset_n, // SDRAM reset pin.
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output wire [ 0:0] ddr3_ck_p, // Differential clock
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output wire [ 0:0] ddr3_ck_n,
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output wire [ 0:0] ddr3_cke, // Clock Enable
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output wire [ 0:0] ddr3_cs_n, // Chip Select
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output wire [ 3:0] ddr3_dm, // Data Mask [3] = UDM.U26, [2] = LDM.U26, ...
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output wire [ 0:0] ddr3_odt, // On-Die termination enable.
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//
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input wire sys_clk_i, // 100MHz clock source to generate DDR3 clocking.
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`endif
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// Power status
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input wire PG_1V2,
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input wire TYPEC_PWR_NEGOTIATED,
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input wire VBUS_ALERT_N,
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input wire GT_25W_PWR_SRC,
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// ADRV GTX pairs
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input wire [1:0] JESD_RX_P, // JESD204 RX differential clock inputs;
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input wire [1:0] JESD_RX_N, // JESD204 RX differential clock inputs;
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output wire [1:0] JESD_TX_P, // JESD204 TX differential clock outputs;
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output wire [1:0] JESD_TX_N, // JESD204 TX differential clock outputs;
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// ADRV control and GPIO
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inout wire [1:0] ADRV_GPINT,
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inout wire [7:0] ADRV_GPIO,
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output wire ADRV_ORXA_CTRL,
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output wire ADRV_ORXB_CTRL,
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output wire ADRV_RESET_N,
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output wire ADRV_SPI_CLK,
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inout wire ADRV_SPI_DIO,
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input wire ADRV_SPI_DO,
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output wire ADRV_SPI_EN_N,
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output wire [2:0] ADRV_SYNCIN_N,
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output wire [2:0] ADRV_SYNCIN_P,
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input wire [1:0] ADRV_SYNCOUT_N,
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input wire [1:0] ADRV_SYNCOUT_P,
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output wire ADRV_TEST_EN,
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output wire ADRV_TRXA_CTRL,
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output wire ADRV_TRXB_CTRL,
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output wire ADRV_TRXC_CTRL,
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output wire ADRV_TRXD_CTRL,
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output wire ADRV_TRXE_CTRL,
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output wire ADRV_TRXF_CTRL,
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output wire ADRV_TRXG_CTRL,
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output wire ADRV_TRXH_CTRL,
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// Clock/Time source control and status signals
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output wire LMK32_CS_N,
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input wire LMK32_MISO,
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output wire LMK32_MOSI,
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output wire LMK32_RESET,
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output wire LMK32_SCLK,
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input wire LMK32_STATUS,
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output wire LMK32_VCXO_SEL_122M88,
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output wire LMK053_CS_N,
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input wire LMK053_MISO,
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output wire LMK053_MOSI,
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output wire LMK053_SCLK,
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output wire LMK_SYNC_REVA,
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output wire LMK_SYNC,
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input wire GPS_PPS_OUT,
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input wire GPS_PWR_FAULT_N,
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input wire [1:0] GPS_REF,
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output wire GPS_REFSEL,
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output wire GPS_RESET_N,
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output wire GPS_SECREF_N,
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output wire GPS_SECREF_P,
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output wire GPS_EXTINT,
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input wire GPS_UART_TOFPGA,
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output wire GPS_UART_TOGPS,
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output wire DAC_CS_N,
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output wire DAC_MOSI,
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output wire DAC_SCLK,
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output wire DAC_CLR_N,
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output wire NSYNC_GPIO0,
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output wire NSYNC_PDN,
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input wire [1:0] NSYNC_STATUS,
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input wire EXT_PPS_IN,
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output wire [3:0] PPS_OUT,
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output wire REF_CLK_SEL,
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output wire TCXO_EN_N,
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// CPLD communication interface
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output wire CPLD_EXT_RST_R_N,
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output wire CPLD_OSC_EN,
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output wire CPLD_RX_CLK,
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output wire CPLD_RX_CLKEN,
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output wire [7:0] CPLD_RX_DATA,
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input wire CPLD_TX_CLK,
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input wire CPLD_TX_CLKEN,
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input wire [7:0] CPLD_TX_DATA,
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output wire PCIE_RESET_N_TO_CPLD,
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// FE control signals
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output wire ANT_PWR_EN,
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output wire [1:0] RX_SW_CTRL,
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output wire [1:0] ENABLE_TXRX_TDR,
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// Thunderbolt control
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inout wire TBOLT_SCL,
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inout wire TBOLT_SDA,
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output wire TBOLT_RIDGE_RESET_N,
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output wire TBOLT_PD_CTRL_RESET,
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// Miscellaneous GPIO
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inout wire [9:0] FP_GPIO,
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// Status LEDs
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output wire LED_CLK_STS_GRN,
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output wire LED_PWR_STS_BLUE,
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output wire LED_PWR_STS_ORANGE,
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output wire [1:0] LED_TX_GRN,
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output wire [1:0] LED_TX_RED,
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output wire [1:0] LED_RX_GRN,
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output wire LED_FPGA_CONFIG_GRN,
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// JTAG
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output wire JTAG_CPLD_TCK,
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output wire JTAG_CPLD_TDI,
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input wire JTAG_CPLD_TDO,
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output wire JTAG_CPLD_TMS,
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output wire JTAG_TBOLT_TCK,
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output wire JTAG_TBOLT_TDI,
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input wire JTAG_TBOLT_TDO,
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output wire JTAG_TBOLT_TMS,
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// I2C - Temperature and power monitoring
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inout wire MISC_I2C_SCL,
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inout wire MISC_I2C_SDA,
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// Authentication Interface
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inout wire AUTH_SDA
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);
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//---------------------------------------------------------------------------
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// Clocking and resets
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//---------------------------------------------------------------------------
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// Reset to PCIe IP
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logic pcie_arst;
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// Reset from PCIe IP to rest of the system
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logic bus_arst;
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// Clock for DMA operations
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logic dma_clk;
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localparam int BUS_CLK_RATE = 150_000_000;
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// Generate internal clocks from available free-running oscillator.
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// This is a 200 MHz clock used as a DDR3 sys clk for KC705.
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// The generated clocks are:
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// - bus_clk: 150 MHz
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// - clk_40mhz: 40 MHz
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// - ce_clk: 200 MHz
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logic bus_clk_in;
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BUFG bufg_bus_clk (
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.I (dma_clk), // Input clock
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.O (bus_clk_in) // Output clock
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);
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logic bus_clk;
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logic clk_40mhz;
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logic ce_clk;
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bus_clk_gen bus_clk_gen_i (
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.clk_out1(bus_clk), //output wire
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.clk_out2(clk_40mhz), //output wire
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.clk_out3(ce_clk), //output wire
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.reset (1'b0), //input wire
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.locked (), //output wire
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.clk_in1 (bus_clk_in) //input wire
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);
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logic radio_clk;
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logic radio_clk_2x;
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logic radio_clk_gen_locked;
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logic radio_clk_shifted;
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logic radio_clk_gen_rst;
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radio_clk_gen radio_clk_gen_i (
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.clk_out1 (radio_clk), //output wire
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.clk_out2 (radio_clk_2x), //output wire
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.clk_out3 (), //output wire
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.clk_out4 (radio_clk_shifted), //output wire
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.reset (radio_clk_gen_rst), //input wire
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.locked (radio_clk_gen_locked), //output wire
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.clk_in1_p(DEVCLK_P), //input wire
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.clk_in1_n(DEVCLK_N) //input wire
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);
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wire bclk_radio_clk_gen_locked;
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synchronizer #(
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.WIDTH (1), //integer:=1
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.STAGES (2), //integer:=2
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.INITIAL_VAL (0), //integer:=0
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.FALSE_PATH_TO_IN(1) //integer:=1
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) synchronizer_radio_clk_locked (
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.clk(bus_clk), //input wire
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.rst(1'b0), //input wire
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.in (radio_clk_gen_locked), //input wire[(WIDTH-1):0]
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.out(bclk_radio_clk_gen_locked) //output wire[(WIDTH-1):0]
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);
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logic bus_rst;
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logic radio_rst;
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logic clk40_rst;
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reset_sync bus_rst_sync (
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.clk (bus_clk), //input wire
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.reset_in (bus_arst), //input wire
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.reset_out(bus_rst) //output reg
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);
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reset_sync radio_rst_sync (
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.clk (radio_clk), //input wire
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.reset_in (bus_arst), //input wire
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.reset_out(radio_rst) //output reg
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);
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reset_sync clk40_rst_sync (
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.clk (clk_40mhz), //input wire
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.reset_in (bus_arst), //input wire
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.reset_out(clk40_rst) //output reg
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);
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//---------------------------------------------------------------------------
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// PCI Communication Core
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//---------------------------------------------------------------------------
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localparam int DMA_STREAM_WIDTH = 128; // Width of DMA streams
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localparam int NUM_TX_STREAMS = 5; // Number of TX streams
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localparam int NUM_RX_STREAMS = 5; // Number of RX streams
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ctrlport_if host_ctrlport(.clk(bus_clk), .rst(bus_rst));
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// DMA streams for host interface
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wire [NUM_RX_STREAMS-1:0] [DMA_STREAM_WIDTH-1:0] host_dma_rx_tdata;
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wire [NUM_RX_STREAMS-1:0] host_dma_rx_tready;
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wire [NUM_RX_STREAMS-1:0] host_dma_rx_tvalid;
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wire [NUM_TX_STREAMS-1:0] [DMA_STREAM_WIDTH-1:0] host_dma_tx_tdata;
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wire [NUM_TX_STREAMS-1:0] host_dma_tx_tready;
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wire [NUM_TX_STREAMS-1:0] host_dma_tx_tvalid;
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// PCIe user register interface signals
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logic [19:0] pcie_usr_ctrlport_req_addr;
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logic [31:0] pcie_usr_ctrlport_req_data;
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logic pcie_usr_ctrlport_req_rd;
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logic pcie_usr_ctrlport_req_wr;
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logic pcie_usr_ctrlport_resp_ack;
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logic [31:0] pcie_usr_ctrlport_resp_data;
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logic [ 1:0] pcie_usr_ctrlport_resp_status;
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// CPLD register interface signals
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wire [50:0] cpld_int_report_in;
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wire [33:0] cpld_int_report_out;
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logic auth_sda_in;
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logic auth_sda_out;
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// OpenDrainIoBuf: IOBUF
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// port map (
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// O => aAuthSdaIn, --out std_ulogic
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// IO => aAuthSda, --inout std_ulogic
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// I => '0', --in std_ulogic
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// T => aAuthSdaOut); --in std_ulogic
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IOBUF auth_sda_iobuf (
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.O (auth_sda_in), //out std_ulogic
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.IO (AUTH_SDA), //inout std_ulogic
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.I ('b0), //in std_ulogic
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.T (auth_sda_out) //in std_ulogic
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);
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b310_g2x4_host_interface b310_host_interface_i (
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.pcie_rx_p (PCIE_RX_P), //in std_logic_vector(3:0)
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.pcie_rx_n (PCIE_RX_N), //in std_logic_vector(3:0)
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.pcie_tx_p (PCIE_TX_P), //out std_logic_vector(3:0)
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.pcie_tx_n (PCIE_TX_N), //out std_logic_vector(3:0)
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.pcie_ref_clk_p (PCIE_REF_CLK_P), //in std_logic
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.pcie_ref_clk_n (PCIE_REF_CLK_N), //in std_logic
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.clk_40mhz (clk_40mhz), //in std_logic
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.bus_clk (bus_clk), //in std_logic
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.dma_clk (dma_clk), //out std_logic
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.pcie_arst (pcie_arst), //in std_logic
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.bus_arst (bus_arst), //out boolean
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.host_dma_rx_tdata (host_dma_rx_tdata), //in std_logic_vector(639:0)
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.host_dma_rx_tready (host_dma_rx_tready), //out std_logic_vector(4:0)
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.host_dma_rx_tvalid (host_dma_rx_tvalid), //in std_logic_vector(4:0)
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.host_dma_tx_tdata (host_dma_tx_tdata), //out std_logic_vector(639:0)
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.host_dma_tx_tready (host_dma_tx_tready), //in std_logic_vector(4:0)
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.host_dma_tx_tvalid (host_dma_tx_tvalid), //out std_logic_vector(4:0)
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.pcie_usr_ctrlport_req_wr (pcie_usr_ctrlport_req_wr), //out std_logic
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.pcie_usr_ctrlport_req_rd (pcie_usr_ctrlport_req_rd), //out std_logic
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.pcie_usr_ctrlport_req_addr (pcie_usr_ctrlport_req_addr), //out std_logic_vector(19:0)
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.pcie_usr_ctrlport_req_port_id (), //out std_logic_vector(9:0)
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.pcie_usr_ctrlport_req_rem_epid (), //out std_logic_vector(15:0)
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.pcie_usr_ctrlport_req_rem_portid(), //out std_logic_vector(9:0)
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.pcie_usr_ctrlport_req_data (pcie_usr_ctrlport_req_data), //out std_logic_vector(31:0)
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.pcie_usr_ctrlport_req_byte_en (), //out std_logic_vector(3:0)
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.pcie_usr_ctrlport_req_has_time (), //out std_logic
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.pcie_usr_ctrlport_req_time (), //out std_logic_vector(63:0)
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.pcie_usr_ctrlport_resp_ack (pcie_usr_ctrlport_resp_ack), //in std_logic
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.pcie_usr_ctrlport_resp_status (pcie_usr_ctrlport_resp_status), //in std_logic_vector(1:0)
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.pcie_usr_ctrlport_resp_data (pcie_usr_ctrlport_resp_data), //in std_logic_vector(31:0)
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.cpld_int_report_in (cpld_int_report_in), //out std_logic_vector(50:0)
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.cpld_int_report_out (cpld_int_report_out), //in std_logic_vector(33:0)
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.core_ctrlport_req_wr (host_ctrlport.req.wr), //out std_logic
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.core_ctrlport_req_rd (host_ctrlport.req.rd), //out std_logic
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.core_ctrlport_req_addr (host_ctrlport.req.addr), //out std_logic_vector(19:0)
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.core_ctrlport_req_port_id (host_ctrlport.req.port_id), //out std_logic_vector(9:0)
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.core_ctrlport_req_rem_epid (host_ctrlport.req.remote_epid), //out std_logic_vector(15:0)
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.core_ctrlport_req_rem_portid (host_ctrlport.req.remote_portid), //out std_logic_vector(9:0)
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.core_ctrlport_req_data (host_ctrlport.req.data), //out std_logic_vector(31:0)
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.core_ctrlport_req_byte_en (host_ctrlport.req.byte_en), //out std_logic_vector(3:0)
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.core_ctrlport_req_has_time (host_ctrlport.req.has_time), //out std_logic
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.core_ctrlport_req_time (host_ctrlport.req.timestamp), //out std_logic_vector(63:0)
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.core_ctrlport_resp_ack (host_ctrlport.resp.ack), //in std_logic
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.core_ctrlport_resp_status (host_ctrlport.resp.status), //in std_logic_vector(1:0)
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.core_ctrlport_resp_data (host_ctrlport.resp.data), //in std_logic_vector(31:0)
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.auth_sda_in (auth_sda_in), //in std_logic
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.auth_sda_out (auth_sda_out) //out std_logic
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);
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assign pcie_arst = !PCIE_RESET_N; // Invert the reset signal to match the active low reset of the PCIe interface.
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assign PCIE_RESET_N_TO_CPLD = PCIE_RESET_N; // Pass PCIe reset to CPLD so that it can re-load the FPGA on a PCIe reset.
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//---------------------------------------------------------
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// UHD PCIe Interface
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//---------------------------------------------------------
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// Consolidate DMA streams for the transport adapter.
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wire [DMA_STREAM_WIDTH-1:0] dma_rx_tdata;
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wire dma_rx_tlast;
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wire dma_rx_tready;
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wire [2:0] dma_rx_tuser;
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wire dma_rx_tvalid;
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wire [DMA_STREAM_WIDTH-1:0] dma_tx_tdata;
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wire dma_tx_tlast;
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wire dma_tx_tready;
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wire [2:0] dma_tx_tuser;
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wire dma_tx_tvalid;
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b310_pcie_int #(
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.DMA_STREAM_WIDTH(DMA_STREAM_WIDTH), //int:=128
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.NUM_TX_STREAMS (NUM_TX_STREAMS), //int:=5
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.NUM_RX_STREAMS (NUM_RX_STREAMS), //int:=5
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.BUS_CLK_RATE (BUS_CLK_RATE) //int:=166666666
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) b310_pcie_int_i (
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.reg_clk (dma_clk), //input wire
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.dma_clk (dma_clk), //input wire
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.bus_clk (bus_clk), //input wire
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.bus_rst (bus_arst), //input wire
|
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.host_dma_tx_tdata (host_dma_tx_tdata), //input wire[(NUM_TX_STREAMS-1):0][(DMA_STREAM_WIDTH-1):0]
|
|
.host_dma_tx_tvalid (host_dma_tx_tvalid), //input wire[(NUM_TX_STREAMS-1):0]
|
|
.host_dma_tx_tready (host_dma_tx_tready), //output wire[(NUM_TX_STREAMS-1):0]
|
|
.host_dma_rx_tdata (host_dma_rx_tdata), //output wire[(NUM_RX_STREAMS-1):0][(DMA_STREAM_WIDTH-1):0]
|
|
.host_dma_rx_tvalid (host_dma_rx_tvalid), //output wire[(NUM_RX_STREAMS-1):0]
|
|
.host_dma_rx_tready (host_dma_rx_tready), //input wire[(NUM_RX_STREAMS-1):0]
|
|
.dma_tx_tdata (dma_tx_tdata), //output wire[(DMA_STREAM_WIDTH-1):0]
|
|
.dma_tx_tuser (dma_tx_tuser), //output wire[2:0]
|
|
.dma_tx_tvalid (dma_tx_tvalid), //output wire
|
|
.dma_tx_tlast (dma_tx_tlast), //output wire
|
|
.dma_tx_tready (dma_tx_tready), //input wire
|
|
.dma_rx_tdata (dma_rx_tdata), //input wire[(DMA_STREAM_WIDTH-1):0]
|
|
.dma_rx_tuser (dma_rx_tuser), //input wire[2:0]
|
|
.dma_rx_tvalid (dma_rx_tvalid), //input wire
|
|
.dma_rx_tlast (dma_rx_tlast), //input wire
|
|
.dma_rx_tready (dma_rx_tready), //output wire
|
|
.s_ctrlport_req_wr (pcie_usr_ctrlport_req_wr), //input wire
|
|
.s_ctrlport_req_rd (pcie_usr_ctrlport_req_rd), //input wire
|
|
.s_ctrlport_req_addr (pcie_usr_ctrlport_req_addr), //input wire[19:0]
|
|
.s_ctrlport_req_data (pcie_usr_ctrlport_req_data), //input wire[31:0]
|
|
.s_ctrlport_resp_ack (pcie_usr_ctrlport_resp_ack), //output wire
|
|
.s_ctrlport_resp_status(pcie_usr_ctrlport_resp_status), //output wire[1:0]
|
|
.s_ctrlport_resp_data (pcie_usr_ctrlport_resp_data), //output wire[31:0]
|
|
.misc_status ('0), //input wire[15:0]
|
|
.debug () //output wire[127:0]
|
|
);
|
|
|
|
//---------------------------------------------------------
|
|
// RF Converter interface
|
|
//---------------------------------------------------------
|
|
|
|
// SYNCIN/OUT
|
|
//----------------------------------------
|
|
logic adc_sync_b;
|
|
logic dac_sync_b;
|
|
|
|
// Eventhough the ADRV chip has three SYNCIN pins, we only use one of them.
|
|
// This is due to each SYNC line connected to one framer, and only
|
|
// framer 0 is used in the B310.
|
|
OBUFDS adc_sync0_buf(
|
|
.O(ADRV_SYNCIN_P[0]),
|
|
.OB(ADRV_SYNCIN_N[0]),
|
|
.I(adc_sync_b)
|
|
);
|
|
OBUFDS adc_sync1_buf(
|
|
.O(ADRV_SYNCIN_P[1]),
|
|
.OB(ADRV_SYNCIN_N[1]),
|
|
.I(1'b1)
|
|
);
|
|
OBUFDS adc_sync2_buf(
|
|
.O(ADRV_SYNCIN_P[2]),
|
|
.OB(ADRV_SYNCIN_N[2]),
|
|
.I(1'b1)
|
|
);
|
|
|
|
// Eventhough the ADRV chip has two SYNCOUT pins, we only use one of them.
|
|
// This is due to each SYNC line connected to one deframer, and only
|
|
// d;eframer 0 is used in the B310.
|
|
IBUFDS dac_sync0_buf(
|
|
.I(ADRV_SYNCOUT_P[0]),
|
|
.IB(ADRV_SYNCOUT_N[0]),
|
|
.O(dac_sync_b)
|
|
);
|
|
|
|
IBUFDS dac_sync1_buf(
|
|
.I(ADRV_SYNCOUT_P[1]),
|
|
.IB(ADRV_SYNCOUT_N[1]),
|
|
.O()
|
|
);
|
|
|
|
// CTRLPORT
|
|
//----------------------------------------
|
|
|
|
ctrlport_if m_radio_jesd_ctrlport (
|
|
.clk(radio_clk), // Clock for the control port
|
|
.rst(radio_rst) // Reset for the control port
|
|
);
|
|
|
|
|
|
// RFNOC Radio
|
|
//----------------------------------------
|
|
localparam int NUM_CH_PER_RADIO = 2; // Number of channels per radio
|
|
|
|
logic [32*NUM_CH_PER_RADIO-1:0] radio_tx_data; // Data to be transmitted by the radio
|
|
logic [32*NUM_CH_PER_RADIO-1:0] radio_rx_data; // Data received from the radio
|
|
logic radio_tx_ready;
|
|
logic radio_rx_data_valid;
|
|
// JESD IP instance
|
|
//----------------------------------------
|
|
|
|
b310_jesd204b b310_jesd204b_i (
|
|
.rclk_rst (radio_rst), //in std_logic
|
|
.reg_clk (radio_clk), //in std_logic
|
|
.clk_40mhz (clk_40mhz), //in std_logic
|
|
.sample_clk_1x (radio_clk), //in std_logic
|
|
.sample_clk_2x (radio_clk_2x), //in std_logic
|
|
.rclk_fpga_clocks_stable (bclk_radio_clk_gen_locked), //in std_logic
|
|
.jesd_ref_clk_p (JESD_CLK_P), //in std_logic
|
|
.jesd_ref_clk_n (JESD_CLK_N), //in std_logic
|
|
.rclk_jesd_ref_clk_present (), //out std_logic
|
|
.lmk_sync (), //out std_logic
|
|
.rclk_ctrlport_req_wr (m_radio_jesd_ctrlport.req.wr), //in std_logic
|
|
.rclk_ctrlport_req_rd (m_radio_jesd_ctrlport.req.rd), //in std_logic
|
|
.rclk_ctrlport_req_addr (m_radio_jesd_ctrlport.req.addr), //in std_logic_vector(19:0)
|
|
.rclk_ctrlport_req_port_id (m_radio_jesd_ctrlport.req.port_id), //in std_logic_vector(9:0)
|
|
.rclk_ctrlport_req_rem_epid (m_radio_jesd_ctrlport.req.remote_epid), //in std_logic_vector(15:0)
|
|
.rclk_ctrlport_req_rem_portid(m_radio_jesd_ctrlport.req.remote_portid), //in std_logic_vector(9:0)
|
|
.rclk_ctrlport_req_data (m_radio_jesd_ctrlport.req.data), //in std_logic_vector(31:0)
|
|
.rclk_ctrlport_req_byte_en (m_radio_jesd_ctrlport.req.byte_en), //in std_logic_vector(3:0)
|
|
.rclk_ctrlport_req_has_time (m_radio_jesd_ctrlport.req.has_time), //in std_logic
|
|
.rclk_ctrlport_req_time (m_radio_jesd_ctrlport.req.timestamp), //in std_logic_vector(63:0)
|
|
.rclk_ctrlport_resp_ack (m_radio_jesd_ctrlport.resp.ack), //out std_logic
|
|
.rclk_ctrlport_resp_status (m_radio_jesd_ctrlport.resp.status), //out std_logic_vector(1:0)
|
|
.rclk_ctrlport_resp_data (m_radio_jesd_ctrlport.resp.data), //out std_logic_vector(31:0)
|
|
.capture_sysref_clk (radio_clk), //in std_logic
|
|
.sysref_in_p (SYSREF_P), //in std_logic
|
|
.sysref_in_n (SYSREF_N), //in std_logic
|
|
.sclk_sysref_out (), //out std_logic
|
|
.adc_rx_p (JESD_RX_P), //in std_logic_vector(1:0)
|
|
.adc_rx_n (JESD_RX_N), //in std_logic_vector(1:0)
|
|
.adc_sync_out_n (adc_sync_b), //out std_logic
|
|
.dac_tx_p (JESD_TX_P), //out std_logic_vector(1:0)
|
|
.dac_tx_n (JESD_TX_N), //out std_logic_vector(1:0)
|
|
.dac_sync_in_n (dac_sync_b), //in std_logic
|
|
.sclk_adc_data_flatter (radio_rx_data), //out std_logic_vector(63:0)
|
|
.sclk_dac_data_flatter (radio_tx_data), //in std_logic_vector(63:0)
|
|
.sclk_adc_data_valid (radio_rx_data_valid), //out std_logic
|
|
.sclk_dac_ready_for_input (radio_tx_ready), //out std_logic
|
|
.dac_sync_out (), //out std_logic
|
|
.adc_sync_out () //out std_logic
|
|
);
|
|
|
|
//---------------------------------------------------------
|
|
// Radio/Core Logic
|
|
//---------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
// DDR3 Interface
|
|
//-----------------------------------------------------------------------------
|
|
wire ddr3_axi_clk; // 1/4 DDR external clock rate (125MHz)
|
|
wire ddr3_axi_clk_x2; // 1/2 DDR external clock rate (250MHz)
|
|
wire ddr3_axi_rst; // Synchronized to ddr_sys_clk
|
|
wire ddr3_running; // DRAM calibration complete.
|
|
|
|
// Slave Interface Write Address Ports
|
|
wire [1:0] ddr3_axi_awid;
|
|
wire [31:0] ddr3_axi_awaddr;
|
|
wire [7:0] ddr3_axi_awlen;
|
|
wire [2:0] ddr3_axi_awsize;
|
|
wire [1:0] ddr3_axi_awburst;
|
|
wire [0:0] ddr3_axi_awlock;
|
|
wire [3:0] ddr3_axi_awcache;
|
|
wire [2:0] ddr3_axi_awprot;
|
|
wire [3:0] ddr3_axi_awqos;
|
|
wire ddr3_axi_awvalid;
|
|
wire ddr3_axi_awready;
|
|
// Slave Interface Write Data Ports
|
|
wire [255:0] ddr3_axi_wdata;
|
|
wire [31:0] ddr3_axi_wstrb;
|
|
wire ddr3_axi_wlast;
|
|
wire [1:0] ddr3_axi_wvalid;
|
|
wire ddr3_axi_wready;
|
|
// Slave Interface Write Response Ports
|
|
wire ddr3_axi_bready;
|
|
wire [1:0] ddr3_axi_bid;
|
|
wire [1:0] ddr3_axi_bresp;
|
|
wire ddr3_axi_bvalid;
|
|
// Slave Interface Read Address Ports
|
|
wire [1:0] ddr3_axi_arid;
|
|
wire [31:0] ddr3_axi_araddr;
|
|
wire [7:0] ddr3_axi_arlen;
|
|
wire [2:0] ddr3_axi_arsize;
|
|
wire [1:0] ddr3_axi_arburst;
|
|
wire [0:0] ddr3_axi_arlock;
|
|
wire [3:0] ddr3_axi_arcache;
|
|
wire [2:0] ddr3_axi_arprot;
|
|
wire [3:0] ddr3_axi_arqos;
|
|
wire ddr3_axi_arvalid;
|
|
wire ddr3_axi_arready;
|
|
// Slave Interface Read Data Ports
|
|
wire ddr3_axi_rready;
|
|
wire [1:0] ddr3_axi_rid;
|
|
wire [255:0] ddr3_axi_rdata;
|
|
wire [1:0] ddr3_axi_rresp;
|
|
wire ddr3_axi_rlast;
|
|
wire ddr3_axi_rvalid;
|
|
|
|
wire ddr3_idelay_refclk;
|
|
reg ddr3_axi_rst_reg_n;
|
|
|
|
localparam int RADIO_NIPC = 1;
|
|
|
|
|
|
// Radio-based control
|
|
logic [3:0] radio_ch0_adrv_gpio_dir;
|
|
wire [3:0] radio_ch0_adrv_gpio_in;
|
|
logic [3:0] radio_ch0_adrv_gpio_out;
|
|
logic [3:0] radio_ch0_adrv_trx_out;
|
|
logic [3:0] radio_ch1_adrv_gpio_dir;
|
|
wire [3:0] radio_ch1_adrv_gpio_in;
|
|
logic [3:0] radio_ch1_adrv_gpio_out;
|
|
logic [3:0] radio_ch1_adrv_trx_out;
|
|
logic radio_ch0_adrv_int;
|
|
logic radio_ch1_adrv_int;
|
|
logic [1:0] radio_enable_tdr;
|
|
logic [1:0] radio_led_rx_green;
|
|
logic [1:0] radio_led_tx_green;
|
|
logic [1:0] radio_led_tx_red;
|
|
logic [1:0] radio_rx_bypass;
|
|
logic radio_adrv_reset;
|
|
logic radio_test_enable;
|
|
wire radio_spi_miso;
|
|
wire radio_spi_mosi;
|
|
wire radio_spi_sclk;
|
|
wire radio_spi_sen_n;
|
|
|
|
// Clocking control signals
|
|
wire clocking_spi_miso;
|
|
wire clocking_spi_mosi;
|
|
wire clocking_spi_sclk;
|
|
wire [2:0] clocking_spi_sen_n;
|
|
|
|
logic ref_clk_source;
|
|
logic tcxo_en;
|
|
|
|
logic local_ref_clk_buf;
|
|
logic local_ref_clk;
|
|
logic ext_ref_clk;
|
|
|
|
logic lmk_lock_status;
|
|
logic lmk_reset;
|
|
logic lmk_source_select;
|
|
|
|
logic gps_lmk_pps_in;
|
|
logic gps_pw_fault;
|
|
|
|
// GPIO control signals
|
|
wire [9:0] fp_gpio_dir;
|
|
wire [9:0] fp_gpio_in;
|
|
wire [9:0] fp_gpio_out;
|
|
|
|
// Power LED control
|
|
logic pwr_led_orange;
|
|
|
|
// Device monitoring
|
|
logic pwr_monitor_alert;
|
|
logic [11:0] device_temp;
|
|
|
|
b310_core #(
|
|
.PCIE_W (DMA_STREAM_WIDTH), //integer:=128
|
|
.RADIO_NIPC (RADIO_NIPC), //integer:=1
|
|
.NUM_CH_PER_RADIO(NUM_CH_PER_RADIO), //integer:=2
|
|
.BUS_CLK_RATE (BUS_CLK_RATE) //integer:=125000000
|
|
) b310_core_i (
|
|
.bus_clk (bus_clk), //input wire
|
|
.radio_clk (radio_clk), //input wire
|
|
.radio_clk_shifted (radio_clk_shifted), //input wire
|
|
.ce_clk (ce_clk), //input wire
|
|
.clk_40mhz (clk_40mhz), //input wire
|
|
.local_ref_clk (local_ref_clk), //input wire
|
|
.ext_ref_clk (ext_ref_clk), //input wire
|
|
.bus_rst (bus_rst), //input wire
|
|
.radio_rst (radio_rst), //input wire
|
|
.s_core_ctrlport (host_ctrlport.slave), // ctrlport_if.slave
|
|
.m_radio_jesd_ctrlport (m_radio_jesd_ctrlport.master), // ctrlport_if.master
|
|
.radio_rx_data (radio_rx_data), //input wire[((32*NUM_CH_PER_RADIO)-1):0]
|
|
.radio_rx_data_valid (radio_rx_data_valid), //input wire
|
|
.radio_tx_data (radio_tx_data), //output wire[((32*NUM_CH_PER_RADIO)-1):0]
|
|
.radio_tx_ready (radio_tx_ready), //input wire
|
|
.radio_led_tx_green (radio_led_tx_green), //output logic[1:0]
|
|
.radio_led_tx_red (radio_led_tx_red), //output logic[1:0]
|
|
.radio_led_rx_green (radio_led_rx_green), //output logic[1:0]
|
|
.radio_ch0_adrv_gpio_out(radio_ch0_adrv_gpio_out), //output logic[3:0]
|
|
.radio_ch1_adrv_gpio_out(radio_ch1_adrv_gpio_out), //output logic[3:0]
|
|
.radio_ch0_adrv_gpio_in (radio_ch0_adrv_gpio_in), //input wire[3:0]
|
|
.radio_ch1_adrv_gpio_in (radio_ch1_adrv_gpio_in), //input wire[3:0]
|
|
.radio_ch0_adrv_gpio_dir(radio_ch0_adrv_gpio_dir), //output logic[3:0]
|
|
.radio_ch1_adrv_gpio_dir(radio_ch1_adrv_gpio_dir), //output logic[3:0]
|
|
.radio_ch0_adrv_trx_out (radio_ch0_adrv_trx_out), //output logic[3:0]
|
|
.radio_ch1_adrv_trx_out (radio_ch1_adrv_trx_out), //output logic[3:0]
|
|
.radio_ch0_adrv_int (radio_ch0_adrv_int), //input wire
|
|
.radio_ch1_adrv_int (radio_ch1_adrv_int), //input wire
|
|
.radio_enable_tdr (radio_enable_tdr), //output logic[1:0]
|
|
.radio_rx_bypass (radio_rx_bypass), //output logic[1:0]
|
|
.radio_adrv_reset (radio_adrv_reset), //output logic
|
|
.radio_test_enable (radio_test_enable), //output logic
|
|
.radio_spi_mosi (radio_spi_mosi), //output logic
|
|
.radio_spi_sclk (radio_spi_sclk), //output logic
|
|
.radio_spi_sen_n (radio_spi_sen_n), //output logic
|
|
.radio_spi_miso (radio_spi_miso), //input wire
|
|
.ddr3_axi_clk (ddr3_axi_clk), //input wire
|
|
.ddr3_axi_clk_x2 (ddr3_axi_clk_x2), //input wire
|
|
.ddr3_axi_rst (ddr3_axi_rst), //input wire
|
|
.ddr3_axi_awid (ddr3_axi_awid), //output wire
|
|
.ddr3_axi_awaddr (ddr3_axi_awaddr), //output wire[31:0]
|
|
.ddr3_axi_awlen (ddr3_axi_awlen), //output wire[7:0]
|
|
.ddr3_axi_awsize (ddr3_axi_awsize), //output wire[2:0]
|
|
.ddr3_axi_awburst (ddr3_axi_awburst), //output wire[1:0]
|
|
.ddr3_axi_awlock (ddr3_axi_awlock), //output wire[0:0]
|
|
.ddr3_axi_awcache (ddr3_axi_awcache), //output wire[3:0]
|
|
.ddr3_axi_awprot (ddr3_axi_awprot), //output wire[2:0]
|
|
.ddr3_axi_awqos (ddr3_axi_awqos), //output wire[3:0]
|
|
.ddr3_axi_awvalid (ddr3_axi_awvalid), //output wire
|
|
.ddr3_axi_awready (ddr3_axi_awready), //input wire
|
|
.ddr3_axi_wdata (ddr3_axi_wdata), //output wire[255:0]
|
|
.ddr3_axi_wstrb (ddr3_axi_wstrb), //output wire[31:0]
|
|
.ddr3_axi_wlast (ddr3_axi_wlast), //output wire
|
|
.ddr3_axi_wvalid (ddr3_axi_wvalid), //output wire
|
|
.ddr3_axi_wready (ddr3_axi_wready), //input wire
|
|
.ddr3_axi_bready (ddr3_axi_bready), //output wire
|
|
.ddr3_axi_bid (ddr3_axi_bid), //input wire
|
|
.ddr3_axi_bresp (ddr3_axi_bresp), //input wire[1:0]
|
|
.ddr3_axi_bvalid (ddr3_axi_bvalid), //input wire
|
|
.ddr3_axi_arid (ddr3_axi_arid), //output wire
|
|
.ddr3_axi_araddr (ddr3_axi_araddr), //output wire[31:0]
|
|
.ddr3_axi_arlen (ddr3_axi_arlen), //output wire[7:0]
|
|
.ddr3_axi_arsize (ddr3_axi_arsize), //output wire[2:0]
|
|
.ddr3_axi_arburst (ddr3_axi_arburst), //output wire[1:0]
|
|
.ddr3_axi_arlock (ddr3_axi_arlock), //output wire[0:0]
|
|
.ddr3_axi_arcache (ddr3_axi_arcache), //output wire[3:0]
|
|
.ddr3_axi_arprot (ddr3_axi_arprot), //output wire[2:0]
|
|
.ddr3_axi_arqos (ddr3_axi_arqos), //output wire[3:0]
|
|
.ddr3_axi_arvalid (ddr3_axi_arvalid), //output wire
|
|
.ddr3_axi_arready (ddr3_axi_arready), //input wire
|
|
.ddr3_axi_rready (ddr3_axi_rready), //output wire
|
|
.ddr3_axi_rid (ddr3_axi_rid), //input wire
|
|
.ddr3_axi_rdata (ddr3_axi_rdata), //input wire[255:0]
|
|
.ddr3_axi_rresp (ddr3_axi_rresp), //input wire[1:0]
|
|
.ddr3_axi_rlast (ddr3_axi_rlast), //input wire
|
|
.ddr3_axi_rvalid (ddr3_axi_rvalid), //input wire
|
|
.dma_rx_tdata (dma_rx_tdata), //output logic[(PCIE_W-1):0]
|
|
.dma_rx_tuser (dma_rx_tuser), //output logic[2:0]
|
|
.dma_rx_tlast (dma_rx_tlast), //output logic
|
|
.dma_rx_tvalid (dma_rx_tvalid), //output logic
|
|
.dma_rx_tready (dma_rx_tready), //input wire
|
|
.dma_tx_tdata (dma_tx_tdata), //input wire[(PCIE_W-1):0]
|
|
.dma_tx_tuser (dma_tx_tuser), //input wire[2:0]
|
|
.dma_tx_tlast (dma_tx_tlast), //input wire
|
|
.dma_tx_tvalid (dma_tx_tvalid), //input wire
|
|
.dma_tx_tready (dma_tx_tready), //output logic
|
|
.fp_gpio_out (fp_gpio_out), //output logic[9:0]
|
|
.fp_gpio_in (fp_gpio_in), //input wire[9:0]
|
|
.fp_gpio_dir (fp_gpio_dir), //output logic[9:0]
|
|
.radio_clk_gen_rst (radio_clk_gen_rst), //output wire
|
|
.ref_clk_source (ref_clk_source), //output wire
|
|
.lmk_source_select (lmk_source_select), //output wire
|
|
.tcxo_en (tcxo_en), //output wire
|
|
.lmk_reset (lmk_reset), //output wire
|
|
.lmk_lock_status (lmk_lock_status), //input wire
|
|
.lmk_sync_reva (LMK_SYNC_REVA), //output wire
|
|
.lmk_sync (LMK_SYNC), //output wire
|
|
.pps_in (EXT_PPS_IN), //input wire
|
|
.gps_lmk_pps_in (gps_lmk_pps_in), //input wire
|
|
.gps_lmk_status (NSYNC_STATUS), //input wire[1:0]
|
|
.gps_lmk_gpio (NSYNC_GPIO0), //output logic
|
|
.gps_pw_fault (gps_pw_fault), //input wire
|
|
.gps_pps_out (GPS_PPS_OUT), //input wire
|
|
.pps_out (PPS_OUT), //output logic[3:0]
|
|
.lmk05318_pd_n (NSYNC_PDN), //output wire
|
|
.mb_i2c_scl (MISC_I2C_SCL), //inout wire
|
|
.mb_i2c_sda (MISC_I2C_SDA), //inout wire
|
|
.tb_i2c_scl (TBOLT_SCL), //inout wire
|
|
.tb_i2c_sda (TBOLT_SDA), //inout wire
|
|
.clocking_spi_mosi (clocking_spi_mosi), //output logic
|
|
.clocking_spi_sclk (clocking_spi_sclk), //output logic
|
|
.clocking_spi_sen_n (clocking_spi_sen_n), //output logic[2:0]
|
|
.clocking_spi_miso (clocking_spi_miso), //input wire
|
|
.uart_rx (GPS_UART_TOFPGA), //input wire
|
|
.uart_tx (GPS_UART_TOGPS), //output wire
|
|
.gps_reset_n (GPS_RESET_N), //output wire
|
|
.gps_ant_pwr_en (ANT_PWR_EN), //output wire
|
|
.device_temp (device_temp), //input wire[11:0]
|
|
.jtag_cpld_tck (JTAG_CPLD_TCK), //output wire
|
|
.jtag_cpld_tms (JTAG_CPLD_TMS), //output wire
|
|
.jtag_cpld_tdi (JTAG_CPLD_TDI), //output wire
|
|
.jtag_cpld_tdo (JTAG_CPLD_TDO), //input wire
|
|
.tbolt_pd_ctrl_reset (TBOLT_PD_CTRL_RESET), //output logic
|
|
.pwr_1v2_pg (PG_1V2), //input wire
|
|
.pwr_25w_src (GT_25W_PWR_SRC), //input wire
|
|
.pwr_typec_negotiated (TYPEC_PWR_NEGOTIATED), //input wire
|
|
.pwr_monitor_alert (pwr_monitor_alert), //input wire
|
|
.pwr_led_orange (pwr_led_orange) //output logic
|
|
);
|
|
|
|
//---------------------------------------------------------
|
|
// CPLD Interface
|
|
//---------------------------------------------------------
|
|
|
|
// CPLD Interface wrapper instantiation
|
|
cpld_interface_wrapper cpld_interface_i (
|
|
.a_reset (clk40_rst), // boolean reset input
|
|
.bus_clk (clk_40mhz), // bus clock input
|
|
.b_reg_port_in (cpld_int_report_in), // register port input [50:0]
|
|
.b_reg_port_out (cpld_int_report_out), // register port output [33:0]
|
|
.a_cpld_ext_reset_n (CPLD_EXT_RST_R_N), // CPLD external reset output
|
|
.fpga_to_cpld_clk (CPLD_RX_CLK), // FPGA to CPLD clock output
|
|
.f_fpga_to_cpld_clk_en (CPLD_RX_CLKEN), // FPGA to CPLD clock enable output
|
|
.f_fpga_to_cpld_data (CPLD_RX_DATA), // FPGA to CPLD data output [7:0]
|
|
.cpld_to_fpga_clk (CPLD_TX_CLK), // CPLD to FPGA clock input
|
|
.c_cpld_to_fpga_data (CPLD_TX_DATA) // CPLD to FPGA data input [7:0]
|
|
);
|
|
|
|
assign CPLD_OSC_EN = 1'b1; // Let the CPLD oscillator run continuously.
|
|
|
|
//---------------------------------------------------------
|
|
// IO assignments
|
|
//---------------------------------------------------------
|
|
|
|
// IOs for ADRV9032
|
|
//-----------------------------------------
|
|
|
|
// SPI
|
|
assign ADRV_SPI_CLK = radio_spi_sclk;
|
|
assign ADRV_SPI_DIO = radio_spi_mosi;
|
|
assign radio_spi_miso = ADRV_SPI_DO;
|
|
assign ADRV_SPI_EN_N = radio_spi_sen_n;
|
|
// GPIO - First 4 GPIOs for channel 0, next 4 GPIOs for channel 1
|
|
assign ADRV_GPIO[0] = radio_ch0_adrv_gpio_dir[0] ? radio_ch0_adrv_gpio_out[0] : 1'bz;
|
|
assign ADRV_GPIO[1] = radio_ch0_adrv_gpio_dir[1] ? radio_ch0_adrv_gpio_out[1] : 1'bz;
|
|
assign ADRV_GPIO[2] = radio_ch0_adrv_gpio_dir[2] ? radio_ch0_adrv_gpio_out[2] : 1'bz;
|
|
assign ADRV_GPIO[3] = radio_ch0_adrv_gpio_dir[3] ? radio_ch0_adrv_gpio_out[3] : 1'bz;
|
|
assign ADRV_GPIO[4] = radio_ch1_adrv_gpio_dir[0] ? radio_ch1_adrv_gpio_out[0] : 1'bz;
|
|
assign ADRV_GPIO[5] = radio_ch1_adrv_gpio_dir[1] ? radio_ch1_adrv_gpio_out[1] : 1'bz;
|
|
assign ADRV_GPIO[6] = radio_ch1_adrv_gpio_dir[2] ? radio_ch1_adrv_gpio_out[2] : 1'bz;
|
|
assign ADRV_GPIO[7] = radio_ch1_adrv_gpio_dir[3] ? radio_ch1_adrv_gpio_out[3] : 1'bz;
|
|
assign radio_ch0_adrv_gpio_in = ADRV_GPIO[3:0];
|
|
assign radio_ch1_adrv_gpio_in = ADRV_GPIO[7:4];
|
|
// TRX - First 4 TRX controls for channel 0, next 4 TRX controls for channel 1
|
|
assign ADRV_TRXA_CTRL = radio_ch0_adrv_trx_out[0];
|
|
assign ADRV_TRXB_CTRL = radio_ch0_adrv_trx_out[1];
|
|
assign ADRV_TRXC_CTRL = radio_ch0_adrv_trx_out[2];
|
|
assign ADRV_TRXD_CTRL = radio_ch0_adrv_trx_out[3];
|
|
assign ADRV_TRXE_CTRL = radio_ch1_adrv_trx_out[0];
|
|
assign ADRV_TRXF_CTRL = radio_ch1_adrv_trx_out[1];
|
|
assign ADRV_TRXG_CTRL = radio_ch1_adrv_trx_out[2];
|
|
assign ADRV_TRXH_CTRL = radio_ch1_adrv_trx_out[3];
|
|
|
|
assign radio_ch0_adrv_int = ADRV_GPINT[0];
|
|
assign radio_ch1_adrv_int = ADRV_GPINT[1];
|
|
|
|
// The observation receiver on the ADRV9032 is not used
|
|
assign ADRV_ORXA_CTRL = 1'b0;
|
|
assign ADRV_ORXB_CTRL = 1'b0;
|
|
|
|
// Path controls
|
|
//-----------------------------------------
|
|
// Due to board layout, RX_SW_CTRL 0 and 1 have opposite polarity.
|
|
assign ENABLE_TXRX_TDR = radio_enable_tdr;
|
|
assign RX_SW_CTRL[0] = ~radio_enable_tdr[0];
|
|
assign RX_SW_CTRL[1] = radio_enable_tdr[1];
|
|
|
|
assign ADRV_RESET_N = ~radio_adrv_reset; // Active low reset for ADRV9032
|
|
assign ADRV_TEST_EN = radio_test_enable; // Enable test mode for ADRV9032
|
|
|
|
// LED indicators
|
|
//-----------------------------------------
|
|
// Radio LED indicators
|
|
assign LED_TX_GRN = radio_led_tx_green;
|
|
assign LED_TX_RED = radio_led_tx_red;
|
|
assign LED_RX_GRN = radio_led_rx_green;
|
|
// Miscellaneous LED indicators
|
|
assign LED_FPGA_CONFIG_GRN = 1'b1; // Always on, indicating FPGA is configured
|
|
assign LED_PWR_STS_ORANGE = pwr_led_orange; // Force Orange PWR LED
|
|
assign LED_PWR_STS_BLUE = ~pwr_led_orange; // Indicate blue unless overriden.
|
|
assign LED_CLK_STS_GRN = LMK32_STATUS; // LMK32 lock status
|
|
|
|
|
|
`include "../regmap/core_regs_regmap_utils.vh"
|
|
// MISC SPI fanout
|
|
//-----------------------------------------
|
|
assign LMK053_MOSI = clocking_spi_mosi;
|
|
assign LMK32_MOSI = clocking_spi_mosi;
|
|
assign DAC_MOSI = clocking_spi_mosi;
|
|
|
|
assign LMK053_SCLK = clocking_spi_sclk;
|
|
assign LMK32_SCLK = clocking_spi_sclk;
|
|
assign DAC_SCLK = clocking_spi_sclk;
|
|
|
|
assign LMK053_CS_N = clocking_spi_sen_n[CLOCKING_SPI_LMK053_SS];
|
|
assign LMK32_CS_N = clocking_spi_sen_n[CLOCKING_SPI_LMK04832_SS];
|
|
assign DAC_CS_N = clocking_spi_sen_n[CLOCKING_SPI_TCXO_DAC_SS];
|
|
|
|
assign DAC_CLR_N = 1'b1;
|
|
|
|
// The DAC interface is write-only, so it is ommitted from the MISO merge.
|
|
assign clocking_spi_miso = ~clocking_spi_sen_n[CLOCKING_SPI_LMK053_SS] ? LMK053_MISO :
|
|
~clocking_spi_sen_n[CLOCKING_SPI_LMK04832_SS] ? LMK32_MISO : 1'b0;
|
|
|
|
// Clocking controls
|
|
//-----------------------------------------
|
|
assign LMK32_RESET = lmk_reset;
|
|
assign TCXO_EN_N = ~tcxo_en;
|
|
assign LMK32_VCXO_SEL_122M88 = ~lmk_source_select; // Select 122.88 MHz when low.
|
|
assign REF_CLK_SEL = ref_clk_source;
|
|
assign lmk_lock_status = LMK32_STATUS;
|
|
|
|
// GPS_REF[1] is the PPS signal from LMK05318, which is disciplined by the GPSDO.
|
|
assign gps_lmk_pps_in = GPS_REF[1];
|
|
assign gps_pw_fault = ~GPS_PWR_FAULT_N; // Active low power fault signal from GPSDO
|
|
|
|
assign JTAG_TBOLT_TCK = 1'bZ; // JTAG TCK is not used, set to high-impedance
|
|
assign JTAG_TBOLT_TMS = 1'bZ; // JTAG TMS is not used, set to high-impedance
|
|
assign JTAG_TBOLT_TDI = 1'bZ; // JTAG TDI is not used, set to high-impedance
|
|
|
|
// Power monitoring
|
|
assign pwr_monitor_alert = ~VBUS_ALERT_N; // Active low alert signal from power monitor
|
|
|
|
// Thunderbolt Resets
|
|
//-----------------------------------------
|
|
// This signal goes into a reset controller. No intention to use it. Set to 1.
|
|
assign TBOLT_RIDGE_RESET_N = 1'b1;
|
|
|
|
// Internal Reference Clock (122.88/125 MHz)
|
|
IBUFDS fpga_refclk_buf(
|
|
.I(FPGA_REFCLK_P),
|
|
.IB(FPGA_REFCLK_N),
|
|
.O(local_ref_clk_buf)
|
|
);
|
|
|
|
// ref_clk_pll for better phase consistency to meet PPS_OUT timing
|
|
ref_clk_pll ref_clk_pll_inst
|
|
(
|
|
.clk_in1(local_ref_clk_buf),
|
|
.clk_out1(local_ref_clk),
|
|
.reset(1'b0),
|
|
.locked()
|
|
);
|
|
|
|
// External Reference Clock (10/25/30.72/122.88/125 MHz)
|
|
IBUFDS ext_refclk_buf(
|
|
.I(EXT_REFCLK_P),
|
|
.IB(EXT_REFCLK_N),
|
|
.O(ext_ref_clk)
|
|
);
|
|
|
|
// Front Panel GPIO
|
|
//-----------------------------------------
|
|
|
|
gpio_atr_io #(
|
|
.WIDTH(10) //integer:=32
|
|
) fp_gpio_io (
|
|
.clk (radio_clk), //input wire
|
|
.gpio_ddr (fp_gpio_dir), //input wire[(WIDTH-1):0]
|
|
.gpio_out (fp_gpio_out), //input wire[(WIDTH-1):0]
|
|
.gpio_in (fp_gpio_in), //output wire[(WIDTH-1):0]
|
|
.gpio_pins(FP_GPIO) //inout wire[(WIDTH-1):0]
|
|
);
|
|
|
|
// GPS
|
|
OBUFDS #(
|
|
.IOSTANDARD("DEFAULT"), // Specify the output I/O standard
|
|
.SLEW("SLOW") // Specify the output slew rate
|
|
) OBUFDS_inst (
|
|
.O (GPS_SECREF_P), // Diff_p output (connect directly to top-level port)
|
|
.OB (GPS_SECREF_N), // Diff_n output (connect directly to top-level port)
|
|
.I ('b0) // Buffer input
|
|
);
|
|
|
|
assign GPS_REFSEL = 1'b0; // Since the secondary reference is not used,
|
|
// tie the REFSEL pin low to select the primary reference.
|
|
assign GPS_EXTINT = 1'b0; // External interrupt connection is de-populated.
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Xilinx DDR3 Controller and PHY.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Copied this reset circuit from example design.
|
|
always_ff @(posedge ddr3_axi_clk) begin
|
|
ddr3_axi_rst_reg_n <= ~ddr3_axi_rst;
|
|
end
|
|
|
|
`ifdef ENABLE_DRAM
|
|
// Instantiate the DDR3 MIG core
|
|
ddr3_32bit u_ddr3_32bit (
|
|
// Memory interface ports
|
|
.ddr3_addr (ddr3_addr),
|
|
.ddr3_ba (ddr3_ba),
|
|
.ddr3_cas_n (ddr3_cas_n),
|
|
.ddr3_ck_n (ddr3_ck_n),
|
|
.ddr3_ck_p (ddr3_ck_p),
|
|
.ddr3_cke (ddr3_cke),
|
|
.ddr3_ras_n (ddr3_ras_n),
|
|
.ddr3_reset_n (ddr3_reset_n),
|
|
.ddr3_we_n (ddr3_we_n),
|
|
.ddr3_dq (ddr3_dq),
|
|
.ddr3_dqs_n (ddr3_dqs_n),
|
|
.ddr3_dqs_p (ddr3_dqs_p),
|
|
.ddr3_cs_n (ddr3_cs_n),
|
|
.ddr3_dm (ddr3_dm),
|
|
.ddr3_odt (ddr3_odt),
|
|
.init_calib_complete (ddr3_running),
|
|
.device_temp_i (device_temp),
|
|
// Application interface ports
|
|
.ui_clk (ddr3_axi_clk), // 150MHz clock out
|
|
.ui_addn_clk_0 (ddr3_axi_clk_x2), // 300MHz clock out
|
|
.ui_addn_clk_1 (ddr3_idelay_refclk),
|
|
.ui_addn_clk_2 (),
|
|
.ui_addn_clk_3 (),
|
|
.ui_addn_clk_4 (),
|
|
.clk_ref_i (ddr3_idelay_refclk),
|
|
.ui_clk_sync_rst (ddr3_axi_rst), // Active high Reset signal synchronised to 150MHz
|
|
.aresetn (ddr3_axi_rst_reg_n),
|
|
.app_sr_req (1'b0),
|
|
.app_sr_active (),
|
|
.app_ref_req (1'b0),
|
|
.app_ref_ack (),
|
|
.app_zq_req (1'b0),
|
|
.app_zq_ack (),
|
|
|
|
// Slave Interface Write Address Ports
|
|
.s_axi_awid (ddr3_axi_awid),
|
|
.s_axi_awaddr (ddr3_axi_awaddr),
|
|
.s_axi_awlen (ddr3_axi_awlen),
|
|
.s_axi_awsize (ddr3_axi_awsize),
|
|
.s_axi_awburst (ddr3_axi_awburst),
|
|
.s_axi_awlock (ddr3_axi_awlock),
|
|
.s_axi_awcache (ddr3_axi_awcache),
|
|
.s_axi_awprot (ddr3_axi_awprot),
|
|
.s_axi_awqos (ddr3_axi_awqos),
|
|
.s_axi_awvalid (ddr3_axi_awvalid),
|
|
.s_axi_awready (ddr3_axi_awready),
|
|
// Slave Interface Write Data Ports
|
|
.s_axi_wdata (ddr3_axi_wdata),
|
|
.s_axi_wstrb (ddr3_axi_wstrb),
|
|
.s_axi_wlast (ddr3_axi_wlast),
|
|
.s_axi_wvalid (ddr3_axi_wvalid),
|
|
.s_axi_wready (ddr3_axi_wready),
|
|
// Slave Interface Write Response Ports
|
|
.s_axi_bid (ddr3_axi_bid),
|
|
.s_axi_bresp (ddr3_axi_bresp),
|
|
.s_axi_bvalid (ddr3_axi_bvalid),
|
|
.s_axi_bready (ddr3_axi_bready),
|
|
// Slave Interface Read Address Ports
|
|
.s_axi_arid (ddr3_axi_arid),
|
|
.s_axi_araddr (ddr3_axi_araddr),
|
|
.s_axi_arlen (ddr3_axi_arlen),
|
|
.s_axi_arsize (ddr3_axi_arsize),
|
|
.s_axi_arburst (ddr3_axi_arburst),
|
|
.s_axi_arlock (ddr3_axi_arlock),
|
|
.s_axi_arcache (ddr3_axi_arcache),
|
|
.s_axi_arprot (ddr3_axi_arprot),
|
|
.s_axi_arqos (ddr3_axi_arqos),
|
|
.s_axi_arvalid (ddr3_axi_arvalid),
|
|
.s_axi_arready (ddr3_axi_arready),
|
|
// Slave Interface Read Data Ports
|
|
.s_axi_rid (ddr3_axi_rid),
|
|
.s_axi_rdata (ddr3_axi_rdata),
|
|
.s_axi_rresp (ddr3_axi_rresp),
|
|
.s_axi_rlast (ddr3_axi_rlast),
|
|
.s_axi_rvalid (ddr3_axi_rvalid),
|
|
.s_axi_rready (ddr3_axi_rready),
|
|
// System Clock Ports
|
|
.sys_clk_i (sys_clk_i), // From external 100MHz source.
|
|
.sys_rst (bus_arst) // Active high Reset signal from external source.
|
|
);
|
|
`else // bank disabled
|
|
|
|
assign ddr3_axi_clk = '0;
|
|
assign ddr3_axi_clk_x2 = '0;
|
|
assign ddr3_axi_rst = '1;
|
|
assign ddr3_running = '1;
|
|
assign ddr3_idelay_refclk = '0;
|
|
|
|
assign ddr3_axi_arready = '1;
|
|
assign ddr3_axi_awready = '1;
|
|
assign ddr3_axi_bid = '0;
|
|
assign ddr3_axi_bresp = '0;
|
|
assign ddr3_axi_bvalid = '0;
|
|
assign ddr3_axi_rdata = '0;
|
|
assign ddr3_axi_rid = '0;
|
|
assign ddr3_axi_rlast = '0;
|
|
assign ddr3_axi_rresp = '0;
|
|
assign ddr3_axi_rvalid = '0;
|
|
assign ddr3_axi_wready = '1;
|
|
|
|
`endif
|
|
|
|
// Temperature monitor module
|
|
localparam int SHUTDOWN_TEMP_C = 100; // OT shutdown temperature (degrees C)
|
|
|
|
b310_xadc_wrapper #(
|
|
.SHUTDOWN_TEMP_C(SHUTDOWN_TEMP_C) //int:=125
|
|
) xadc_wrapper_i (
|
|
.clk (bus_clk), //input wire
|
|
.rst (bus_rst), //input wire
|
|
.device_temp(device_temp) //output logic[11:0]
|
|
);
|
|
|
|
endmodule : b310
|
|
|
|
`default_nettype wire
|