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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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34
src/eth/rtl/taxi_eth_phy_10g_tx.sv
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@@ -20,6 +20,7 @@ module taxi_eth_phy_10g_tx #
parameter DATA_W = 64,
parameter CTRL_W = (DATA_W/8),
parameter HDR_W = 2,
parameter logic GBX_IF_EN = 1'b0,
parameter logic BIT_REVERSE = 1'b0,
parameter logic SCRAMBLER_DISABLE = 1'b0,
parameter logic PRBS31_EN = 1'b0,
@@ -34,12 +35,21 @@ module taxi_eth_phy_10g_tx #
*/
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 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,
/*
* Status
@@ -63,12 +73,18 @@ if (HDR_W != 2)
$fatal(0, "Error: HDR_W must be 2");
wire [DATA_W-1:0] encoded_tx_data;
wire encoded_tx_data_valid;
wire [HDR_W-1:0] encoded_tx_hdr;
wire encoded_tx_hdr_valid;
wire tx_gbx_start_int;
taxi_xgmii_baser_enc_64 #(
.DATA_W(DATA_W),
.CTRL_W(CTRL_W),
.HDR_W(HDR_W)
.HDR_W(HDR_W),
.GBX_IF_EN(GBX_IF_EN),
.GBX_CNT(1)
)
xgmii_baser_enc_inst (
.clk(clk),
@@ -79,12 +95,17 @@ xgmii_baser_enc_inst (
*/
.xgmii_txd(xgmii_txd),
.xgmii_txc(xgmii_txc),
.xgmii_tx_valid(xgmii_tx_valid),
.tx_gbx_start_in(tx_gbx_start),
/*
* 10GBASE-R encoded interface
*/
.encoded_tx_data(encoded_tx_data),
.encoded_tx_data_valid(encoded_tx_data_valid),
.encoded_tx_hdr(encoded_tx_hdr),
.encoded_tx_hdr_valid(encoded_tx_hdr_valid),
.tx_gbx_start_out(tx_gbx_start_int),
/*
* Status
@@ -95,6 +116,7 @@ xgmii_baser_enc_inst (
taxi_eth_phy_10g_tx_if #(
.DATA_W(DATA_W),
.HDR_W(HDR_W),
.GBX_IF_EN(GBX_IF_EN),
.BIT_REVERSE(BIT_REVERSE),
.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
.PRBS31_EN(PRBS31_EN),
@@ -108,13 +130,23 @@ eth_phy_10g_tx_if_inst (
* 10GBASE-R encoded interface
*/
.encoded_tx_data(encoded_tx_data),
.encoded_tx_data_valid(encoded_tx_data_valid),
.encoded_tx_hdr(encoded_tx_hdr),
.encoded_tx_hdr_valid(encoded_tx_hdr_valid),
.tx_gbx_req_start(tx_gbx_req_start),
.tx_gbx_req_stall(tx_gbx_req_stall),
.tx_gbx_start(tx_gbx_start_int),
/*
* 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),
/*
* Configuration