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cndm: Add PTP support

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-02-14 00:44:42 -08:00
parent eb289eb045
commit 88310fd348
24 changed files with 804 additions and 85 deletions
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34
src/cndm/rtl/cndm_micro_port.sv
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@@ -16,7 +16,8 @@ Authors:
* Corundum-micro port module
*/
module cndm_micro_port #(
parameter logic PTP_TS_EN = 1'b1
parameter logic PTP_TS_EN = 1'b1,
parameter logic PTP_TS_FMT_TOD = 1'b0
)
(
input wire logic clk,
@@ -40,6 +41,13 @@ module cndm_micro_port #(
output wire logic irq,
/*
* PTP
*/
input wire logic ptp_clk = 1'b0,
input wire logic ptp_rst = 1'b0,
input wire logic ptp_td_sdi = 1'b0,
/*
* Ethernet
*/
@@ -454,7 +462,7 @@ taxi_axis_if #(
.KEEP_EN(mac_axis_tx_cpl.KEEP_EN),
.KEEP_W(mac_axis_tx_cpl.KEEP_W),
.USER_EN(1),
.USER_W(1)
.USER_W(mac_axis_tx_cpl.USER_W)
)
mac_tx_cpl_int();
@@ -507,12 +515,20 @@ tx_cpl_fifo (
);
cndm_micro_tx #(
.PTP_TS_EN(PTP_TS_EN)
.PTP_TS_EN(PTP_TS_EN),
.PTP_TS_FMT_TOD(PTP_TS_FMT_TOD)
)
tx_inst (
.clk(clk),
.rst(rst),
/*
* PTP
*/
.ptp_clk(ptp_clk),
.ptp_rst(ptp_rst),
.ptp_td_sdi(ptp_td_sdi),
/*
* DMA
*/
@@ -530,7 +546,7 @@ tx_inst (
taxi_axis_if #(
.DATA_W(mac_axis_rx.DATA_W),
.USER_EN(1),
.USER_W(1)
.USER_W(mac_axis_rx.USER_W)
) mac_rx_int();
taxi_axis_async_fifo #(
@@ -582,12 +598,20 @@ rx_fifo (
);
cndm_micro_rx #(
.PTP_TS_EN(PTP_TS_EN)
.PTP_TS_EN(PTP_TS_EN),
.PTP_TS_FMT_TOD(PTP_TS_FMT_TOD)
)
rx_inst (
.clk(clk),
.rst(rst),
/*
* PTP
*/
.ptp_clk(ptp_clk),
.ptp_rst(ptp_rst),
.ptp_td_sdi(ptp_td_sdi),
/*
* DMA
*/