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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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46
src/cndm/rtl/cndm_micro_pcie_us.sv
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@@ -23,6 +23,10 @@ module cndm_micro_pcie_us #(
// device family
parameter string FAMILY = "virtexuplus",
parameter PORTS = 2,
parameter logic PTP_TS_EN = 1'b1,
parameter logic PTP_TS_FMT_TOD = 1'b0,
parameter PTP_CLK_PER_NS_NUM = 512,
parameter PTP_CLK_PER_NS_DENOM = 165,
parameter RQ_SEQ_NUM_W = 6,
parameter BAR0_APERTURE = 24
)
@@ -80,6 +84,24 @@ module cndm_micro_pcie_us #(
output wire [7:0] cfg_interrupt_msi_tph_st_tag,
output wire [7:0] cfg_interrupt_msi_function_number,
/*
* PTP
*/
input wire logic ptp_clk = 1'b0,
input wire logic ptp_rst = 1'b0,
input wire logic ptp_sample_clk = 1'b0,
input wire logic ptp_td_sdi = 1'b0,
output wire logic ptp_td_sdo,
output wire logic ptp_pps,
output wire logic ptp_pps_str,
output wire logic ptp_sync_locked,
output wire logic [63:0] ptp_sync_ts_rel,
output wire logic ptp_sync_ts_rel_step,
output wire logic [95:0] ptp_sync_ts_tod,
output wire logic ptp_sync_ts_tod_step,
output wire logic ptp_sync_pps,
output wire logic ptp_sync_pps_str,
/*
* Ethernet
*/
@@ -455,7 +477,11 @@ msi_inst (
);
cndm_micro_core #(
.PORTS(PORTS)
.PORTS(PORTS),
.PTP_TS_EN(PTP_TS_EN),
.PTP_TS_FMT_TOD(PTP_TS_FMT_TOD),
.PTP_CLK_PER_NS_NUM(PTP_CLK_PER_NS_NUM),
.PTP_CLK_PER_NS_DENOM(PTP_CLK_PER_NS_DENOM)
)
core_inst (
.clk(pcie_clk),
@@ -479,6 +505,24 @@ core_inst (
.irq(irq),
/*
* PTP
*/
.ptp_clk(ptp_clk),
.ptp_rst(ptp_rst),
.ptp_sample_clk(ptp_sample_clk),
.ptp_td_sdi(ptp_td_sdi),
.ptp_td_sdo(ptp_td_sdo),
.ptp_pps(ptp_pps),
.ptp_pps_str(ptp_pps_str),
.ptp_sync_locked(ptp_sync_locked),
.ptp_sync_ts_rel(ptp_sync_ts_rel),
.ptp_sync_ts_rel_step(ptp_sync_ts_rel_step),
.ptp_sync_ts_tod(ptp_sync_ts_tod),
.ptp_sync_ts_tod_step(ptp_sync_ts_tod_step),
.ptp_sync_pps(ptp_sync_pps),
.ptp_sync_pps_str(ptp_sync_pps_str),
/*
* Ethernet
*/