Files
taxi/rtl/eth/taxi_eth_phy_10g_tx.sv
Alex Forencich e35d2b2c03 eth: Add 10G PHY module and testbench
Signed-off-by: Alex Forencich <alex@alexforencich.com>
2025-02-04 17:10:21 -08:00

128 lines
2.3 KiB
Systemverilog

// SPDX-License-Identifier: CERN-OHL-S-2.0
/*
Copyright (c) 2018-2025 FPGA Ninja, LLC
Authors:
- Alex Forencich
*/
`resetall
`timescale 1ns / 1ps
`default_nettype none
/*
* 10G Ethernet PHY TX
*/
module taxi_eth_phy_10g_tx #
(
parameter DATA_W = 64,
parameter CTRL_W = (DATA_W/8),
parameter HDR_W = 2,
parameter logic BIT_REVERSE = 1'b0,
parameter logic SCRAMBLER_DISABLE = 1'b0,
parameter logic PRBS31_EN = 1'b0,
parameter SERDES_PIPELINE = 0
)
(
input wire logic clk,
input wire logic rst,
/*
* XGMII interface
*/
input wire logic [DATA_W-1:0] xgmii_txd,
input wire logic [CTRL_W-1:0] xgmii_txc,
/*
* SERDES interface
*/
output wire logic [DATA_W-1:0] serdes_tx_data,
output wire logic [HDR_W-1:0] serdes_tx_hdr,
/*
* Status
*/
output wire logic tx_bad_block,
/*
* Configuration
*/
input wire logic cfg_tx_prbs31_enable
);
// check configuration
if (DATA_W != 64)
$fatal(0, "Error: Interface width must be 64");
if (CTRL_W * 8 != DATA_W)
$fatal(0, "Error: Interface requires byte (8-bit) granularity");
if (HDR_W != 2)
$fatal(0, "Error: HDR_W must be 2");
wire [DATA_W-1:0] encoded_tx_data;
wire [HDR_W-1:0] encoded_tx_hdr;
taxi_xgmii_baser_enc_64 #(
.DATA_W(DATA_W),
.CTRL_W(CTRL_W),
.HDR_W(HDR_W)
)
xgmii_baser_enc_inst (
.clk(clk),
.rst(rst),
/*
* XGMII interface
*/
.xgmii_txd(xgmii_txd),
.xgmii_txc(xgmii_txc),
/*
* 10GBASE-R encoded interface
*/
.encoded_tx_data(encoded_tx_data),
.encoded_tx_hdr(encoded_tx_hdr),
/*
* Status
*/
.tx_bad_block(tx_bad_block)
);
taxi_eth_phy_10g_tx_if #(
.DATA_W(DATA_W),
.HDR_W(HDR_W),
.BIT_REVERSE(BIT_REVERSE),
.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
.PRBS31_EN(PRBS31_EN),
.SERDES_PIPELINE(SERDES_PIPELINE)
)
eth_phy_10g_tx_if_inst (
.clk(clk),
.rst(rst),
/*
* 10GBASE-R encoded interface
*/
.encoded_tx_data(encoded_tx_data),
.encoded_tx_hdr(encoded_tx_hdr),
/*
* SERDES interface
*/
.serdes_tx_data(serdes_tx_data),
.serdes_tx_hdr(serdes_tx_hdr),
/*
* Configuration
*/
.cfg_tx_prbs31_enable(cfg_tx_prbs31_enable)
);
endmodule
`resetall