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eth: Add support for synchronous gearbox to PHY, MAC+PHY, and GT wrappers

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-05-30 21:14:54 -07:00
parent f31ba113d2
commit e4762b7a8c
76 changed files with 3853 additions and 1090 deletions
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28
src/eth/rtl/taxi_eth_phy_10g.sv
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@@ -20,6 +20,8 @@ module taxi_eth_phy_10g #
parameter DATA_W = 64,
parameter CTRL_W = (DATA_W/8),
parameter HDR_W = 2,
parameter logic TX_GBX_IF_EN = 1'b0,
parameter logic RX_GBX_IF_EN = TX_GBX_IF_EN,
parameter logic BIT_REVERSE = 1'b0,
parameter logic SCRAMBLER_DISABLE = 1'b0,
parameter logic PRBS31_EN = 1'b0,
@@ -40,16 +42,28 @@ module taxi_eth_phy_10g #
*/
input wire logic [DATA_W-1:0] xgmii_txd,
input wire logic [CTRL_W-1:0] xgmii_txc,
input wire logic xgmii_tx_valid = 1'b1,
output wire logic [DATA_W-1:0] xgmii_rxd,
output wire logic [CTRL_W-1:0] xgmii_rxc,
output wire logic xgmii_rx_valid = 1'b1,
output wire logic tx_gbx_req_start,
output wire logic tx_gbx_req_stall,
input wire logic tx_gbx_start = 1'b0,
/*
* SERDES interface
*/
output wire logic [DATA_W-1:0] serdes_tx_data,
output wire logic serdes_tx_data_valid,
output wire logic [HDR_W-1:0] serdes_tx_hdr,
output wire logic serdes_tx_hdr_valid,
input wire logic serdes_tx_gbx_req_start = 1'b0,
input wire logic serdes_tx_gbx_req_stall = 1'b0,
output wire logic serdes_tx_gbx_start,
input wire logic [DATA_W-1:0] serdes_rx_data,
input wire logic serdes_rx_data_valid = 1'b1,
input wire logic [HDR_W-1:0] serdes_rx_hdr,
input wire logic serdes_rx_hdr_valid = 1'b1,
output wire logic serdes_rx_bitslip,
output wire logic serdes_rx_reset_req,
@@ -75,6 +89,7 @@ taxi_eth_phy_10g_rx #(
.DATA_W(DATA_W),
.CTRL_W(CTRL_W),
.HDR_W(HDR_W),
.GBX_IF_EN(RX_GBX_IF_EN),
.BIT_REVERSE(BIT_REVERSE),
.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
.PRBS31_EN(PRBS31_EN),
@@ -92,12 +107,15 @@ eth_phy_10g_rx_inst (
*/
.xgmii_rxd(xgmii_rxd),
.xgmii_rxc(xgmii_rxc),
.xgmii_rx_valid(xgmii_rx_valid),
/*
* SERDES interface
*/
.serdes_rx_data(serdes_rx_data),
.serdes_rx_data_valid(serdes_rx_data_valid),
.serdes_rx_hdr(serdes_rx_hdr),
.serdes_rx_hdr_valid(serdes_rx_hdr_valid),
.serdes_rx_bitslip(serdes_rx_bitslip),
.serdes_rx_reset_req(serdes_rx_reset_req),
@@ -121,6 +139,7 @@ taxi_eth_phy_10g_tx #(
.DATA_W(DATA_W),
.CTRL_W(CTRL_W),
.HDR_W(HDR_W),
.GBX_IF_EN(TX_GBX_IF_EN),
.BIT_REVERSE(BIT_REVERSE),
.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
.PRBS31_EN(PRBS31_EN),
@@ -135,12 +154,21 @@ eth_phy_10g_tx_inst (
*/
.xgmii_txd(xgmii_txd),
.xgmii_txc(xgmii_txc),
.xgmii_tx_valid(xgmii_tx_valid),
.tx_gbx_req_start(tx_gbx_req_start),
.tx_gbx_req_stall(tx_gbx_req_stall),
.tx_gbx_start(tx_gbx_start),
/*
* SERDES interface
*/
.serdes_tx_data(serdes_tx_data),
.serdes_tx_data_valid(serdes_tx_data_valid),
.serdes_tx_hdr(serdes_tx_hdr),
.serdes_tx_hdr_valid(serdes_tx_hdr_valid),
.serdes_tx_gbx_req_start(serdes_tx_gbx_req_start),
.serdes_tx_gbx_req_stall(serdes_tx_gbx_req_stall),
.serdes_tx_gbx_start(serdes_tx_gbx_start),
/*
* Status