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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0273-net-dsa-ocelot-add-tsn-support-for-felix-switch.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0273-net-dsa-ocelot-add-tsn-support-for-felix-switch.patch671
1 files changed, 671 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0273-net-dsa-ocelot-add-tsn-support-for-felix-switch.patch b/target/linux/layerscape/patches-5.4/701-net-0273-net-dsa-ocelot-add-tsn-support-for-felix-switch.patch
new file mode 100644
index 0000000000..aae0e670f2
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0273-net-dsa-ocelot-add-tsn-support-for-felix-switch.patch
@@ -0,0 +1,671 @@
+From 36b446d44d66a6d6a072d3f5e87ebb05e0b88d98 Mon Sep 17 00:00:00 2001
+From: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
+Date: Fri, 29 Nov 2019 14:28:37 +0800
+Subject: [PATCH] net: dsa: ocelot: add tsn support for felix switch
+
+Support tsn capabilities in DSA felix switch driver. This felix tsn
+driver is using tsn configuration of ocelot, and registered on each
+switch port through DSA port setup.
+
+Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
+---
+ drivers/net/dsa/ocelot/Kconfig | 8 +
+ drivers/net/dsa/ocelot/Makefile | 2 +
+ drivers/net/dsa/ocelot/felix.c | 50 ++++
+ drivers/net/dsa/ocelot/felix_tsn.c | 432 +++++++++++++++++++++++++++++++++
+ drivers/net/dsa/ocelot/felix_tsn.h | 61 +++++
+ drivers/net/dsa/ocelot/felix_vsc9959.c | 8 +-
+ include/net/dsa.h | 1 +
+ net/dsa/dsa2.c | 4 +
+ 8 files changed, 564 insertions(+), 2 deletions(-)
+ create mode 100644 drivers/net/dsa/ocelot/felix_tsn.c
+ create mode 100644 drivers/net/dsa/ocelot/felix_tsn.h
+
+--- a/drivers/net/dsa/ocelot/Kconfig
++++ b/drivers/net/dsa/ocelot/Kconfig
+@@ -9,3 +9,11 @@ config NET_DSA_MSCC_FELIX
+ the Vitesse / Microsemi / Microchip Ocelot family of switching cores.
+ It is embedded as a PCIe function of the NXP LS1028A ENETC integrated
+ endpoint.
++
++config MSCC_FELIX_SWITCH_TSN
++ tristate "TSN on FELIX switch driver"
++ depends on NET_DSA_MSCC_FELIX
++ depends on TSN
++ help
++ This driver supports TSN on felix switch.
++
+--- a/drivers/net/dsa/ocelot/Makefile
++++ b/drivers/net/dsa/ocelot/Makefile
+@@ -4,3 +4,5 @@ obj-$(CONFIG_NET_DSA_MSCC_FELIX) += mscc
+ mscc_felix-objs := \
+ felix.o \
+ felix_vsc9959.o
++
++obj-$(CONFIG_MSCC_FELIX_SWITCH_TSN) += felix_tsn.o
+--- a/drivers/net/dsa/ocelot/felix.c
++++ b/drivers/net/dsa/ocelot/felix.c
+@@ -9,6 +9,38 @@
+ #include <linux/of.h>
+ #include <net/dsa.h>
+ #include "felix.h"
++#include "felix_tsn.h"
++
++#ifdef CONFIG_MSCC_FELIX_SWITCH_TSN
++const struct tsn_ops switch_tsn_ops = {
++ .device_init = felix_tsn_init,
++ .get_capability = felix_tsn_get_cap,
++ .qbv_set = felix_qbv_set,
++ .qbv_get = felix_qbv_get,
++ .qbv_get_status = felix_qbv_get_status,
++ .qbu_set = felix_qbu_set,
++ .qbu_get = felix_qbu_get,
++ .cb_streamid_set = felix_cb_streamid_set,
++ .cb_streamid_get = felix_cb_streamid_get,
++ .cb_streamid_counters_get = felix_cb_streamid_counters_get,
++ .qci_sfi_set = felix_qci_sfi_set,
++ .qci_sfi_get = felix_qci_sfi_get,
++ .qci_sfi_counters_get = felix_qci_sfi_counters_get,
++ .qci_get_maxcap = felix_qci_max_cap_get,
++ .qci_sgi_set = felix_qci_sgi_set,
++ .qci_sgi_get = felix_qci_sgi_get,
++ .qci_sgi_status_get = felix_qci_sgi_status_get,
++ .qci_fmi_set = felix_qci_fmi_set,
++ .qci_fmi_get = felix_qci_fmi_get,
++ .cbs_set = felix_cbs_set,
++ .cbs_get = felix_cbs_get,
++ .ct_set = felix_cut_thru_set,
++ .cbgen_set = felix_seq_gen_set,
++ .cbrec_set = felix_seq_rec_set,
++ .cb_get = felix_cb_get,
++ .dscp_set = felix_dscp_set,
++};
++#endif
+
+ static enum dsa_tag_protocol felix_get_tag_protocol(struct dsa_switch *ds,
+ int port)
+@@ -138,6 +170,21 @@ static int felix_vlan_del(struct dsa_swi
+ return 0;
+ }
+
++#ifdef CONFIG_MSCC_FELIX_SWITCH_TSN
++static int felix_tsn_enable(struct dsa_port *dp)
++{
++ struct net_device *dev;
++
++ if (dp->type == DSA_PORT_TYPE_USER) {
++ dev = dp->slave;
++ tsn_port_register(dev,
++ (struct tsn_ops *)&switch_tsn_ops,
++ GROUP_OFFSET_SWITCH);
++ }
++ return 0;
++}
++#endif
++
+ static int felix_port_enable(struct dsa_switch *ds, int port,
+ struct phy_device *phy)
+ {
+@@ -386,6 +433,9 @@ static const struct dsa_switch_ops felix
+ .port_hwtstamp_set = felix_hwtstamp_set,
+ .port_rxtstamp = felix_rxtstamp,
+ .port_txtstamp = felix_txtstamp,
++#ifdef CONFIG_MSCC_FELIX_SWITCH_TSN
++ .port_tsn_enable = felix_tsn_enable,
++#endif
+ };
+
+ static struct felix_info *felix_instance_tbl[] = {
+--- /dev/null
++++ b/drivers/net/dsa/ocelot/felix_tsn.c
+@@ -0,0 +1,432 @@
++// SPDX-License-Identifier: (GPL-2.0 OR MIT)
++/* Felix Switch TSN driver
++ *
++ * Copyright 2018-2019 NXP
++ */
++
++#include <linux/io.h>
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/pci.h>
++#include <soc/mscc/ocelot.h>
++#include <net/tsn.h>
++#include "felix.h"
++
++static struct ocelot *felix_dev_to_ocelot(struct net_device *ndev)
++{
++ struct pci_dev *pdev;
++ struct felix *felix;
++
++ pdev = list_entry(ndev->dev.parent, struct pci_dev, dev);
++ felix = pci_get_drvdata(pdev);
++ if (!felix)
++ return NULL;
++
++ return &felix->ocelot;
++}
++
++static int felix_dev_to_port(struct net_device *ndev, struct ocelot *ocelot)
++{
++ struct felix *felix = ocelot_to_felix(ocelot);
++ struct dsa_switch *ds = felix->ds;
++ struct dsa_port *dp;
++ int i;
++
++ for (i = 0; i < ds->num_ports; i++) {
++ dp = &ds->ports[i];
++ if (dp->dn == ndev->dev.of_node)
++ return dp->index;
++ }
++
++ return -ENODEV;
++}
++
++u32 felix_tsn_get_cap(struct net_device *ndev)
++{
++ u32 cap = 0;
++
++ cap = (TSN_CAP_QBV | TSN_CAP_QCI | TSN_CAP_QBU | TSN_CAP_CBS |
++ TSN_CAP_CB | TSN_CAP_TBS | TSN_CAP_CTH);
++
++ return cap;
++}
++
++int felix_qbv_set(struct net_device *ndev,
++ struct tsn_qbv_conf *shaper_config)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qbv_set(ocelot, port, shaper_config);
++}
++
++int felix_qbv_get(struct net_device *ndev,
++ struct tsn_qbv_conf *shaper_config)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qbv_get(ocelot, port, shaper_config);
++}
++
++int felix_qbv_get_status(struct net_device *ndev,
++ struct tsn_qbv_status *qbvstatus)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qbv_get_status(ocelot, port, qbvstatus);
++}
++
++int felix_qbu_set(struct net_device *ndev, u8 preemptible)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qbu_set(ocelot, port, preemptible);
++}
++
++int felix_qbu_get(struct net_device *ndev, struct tsn_preempt_status *c)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qbu_get(ocelot, port, c);
++}
++
++int felix_cb_streamid_set(struct net_device *ndev, u32 index, bool enable,
++ struct tsn_cb_streamid *streamid)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cb_streamid_set(ocelot, port, index, enable, streamid);
++}
++
++int felix_cb_streamid_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_streamid *streamid)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cb_streamid_get(ocelot, port, index, streamid);
++}
++
++int felix_cb_streamid_counters_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_streamid_counters *sc)
++{
++ return 0;
++}
++
++int felix_qci_sfi_set(struct net_device *ndev, u32 index, bool enable,
++ struct tsn_qci_psfp_sfi_conf *sfi)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sfi_set(ocelot, port, index, enable, sfi);
++}
++
++int felix_qci_sfi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sfi_conf *sfi)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sfi_get(ocelot, port, index, sfi);
++}
++
++int felix_qci_sfi_counters_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sfi_counters *sfi_cnt)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sfi_counters_get(ocelot, port, index, sfi_cnt);
++}
++
++int felix_qci_max_cap_get(struct net_device *ndev,
++ struct tsn_qci_psfp_stream_param *stream_para)
++{
++ struct ocelot *ocelot;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++
++ return ocelot_qci_max_cap_get(ocelot, stream_para);
++}
++
++int felix_qci_sgi_set(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sgi_conf *sgi_conf)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sgi_set(ocelot, port, index, sgi_conf);
++}
++
++int felix_qci_sgi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sgi_conf *sgi_conf)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sgi_get(ocelot, port, index, sgi_conf);
++}
++
++int felix_qci_sgi_status_get(struct net_device *ndev, u32 index,
++ struct tsn_psfp_sgi_status *sgi_status)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_sgi_status_get(ocelot, port, index, sgi_status);
++}
++
++int felix_qci_fmi_set(struct net_device *ndev, u32 index,
++ bool enable, struct tsn_qci_psfp_fmi *fmi)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_fmi_set(ocelot, port, index, enable, fmi);
++}
++
++int felix_qci_fmi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_fmi *fmi,
++ struct tsn_qci_psfp_fmi_counters *counters)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_qci_fmi_get(ocelot, port, index, fmi, counters);
++}
++
++int felix_cbs_set(struct net_device *ndev, u8 tc, u8 bw)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cbs_set(ocelot, port, tc, bw);
++}
++
++int felix_cbs_get(struct net_device *ndev, u8 tc)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cbs_get(ocelot, port, tc);
++}
++
++int felix_cut_thru_set(struct net_device *ndev, u8 cut_thru)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cut_thru_set(ocelot, port, cut_thru);
++}
++
++int felix_seq_gen_set(struct net_device *ndev, u32 index,
++ struct tsn_seq_gen_conf *sg_conf)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_seq_gen_set(ocelot, port, index, sg_conf);
++}
++
++int felix_seq_rec_set(struct net_device *ndev, u32 index,
++ struct tsn_seq_rec_conf *sr_conf)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_seq_rec_set(ocelot, port, index, sr_conf);
++}
++
++int felix_cb_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_status *c)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_cb_get(ocelot, port, index, c);
++}
++
++int felix_dscp_set(struct net_device *ndev, bool enable, const u8 dscp_ix,
++ struct tsn_qos_switch_dscp_conf *c)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return -ENODEV;
++ port = felix_dev_to_port(ndev, ocelot);
++ if (port < 0)
++ return -ENODEV;
++
++ return ocelot_dscp_set(ocelot, port, enable, dscp_ix, c);
++}
++
++void felix_tsn_init(struct net_device *ndev)
++{
++ struct ocelot *ocelot;
++ int port;
++
++ ocelot = felix_dev_to_ocelot(ndev);
++ if (!ocelot)
++ return;
++ port = felix_dev_to_port(ndev, ocelot);
++
++ ocelot_pcp_map_enable(ocelot, port);
++ ocelot_rtag_parse_enable(ocelot, port);
++}
+--- /dev/null
++++ b/drivers/net/dsa/ocelot/felix_tsn.h
+@@ -0,0 +1,61 @@
++/* SPDX-License-Identifier: (GPL-2.0 OR MIT)
++ *
++ * TSN_SWITCH driver
++ *
++ * Copyright 2018-2019 NXP
++ */
++
++#ifndef _MSCC_FELIX_SWITCH_TSN_H_
++#define _MSCC_FELIX_SWITCH_TSN_H_
++#include <net/tsn.h>
++
++u32 felix_tsn_get_cap(struct net_device *ndev);
++int felix_qbv_set(struct net_device *ndev,
++ struct tsn_qbv_conf *shaper_config);
++int felix_qbv_get(struct net_device *ndev,
++ struct tsn_qbv_conf *shaper_config);
++int felix_qbv_get_status(struct net_device *ndev,
++ struct tsn_qbv_status *qbvstatus);
++int felix_cut_thru_set(struct net_device *ndev, u8 cut_thru);
++int felix_cbs_set(struct net_device *ndev, u8 tc, u8 bw);
++int felix_cbs_get(struct net_device *ndev, u8 tc);
++int felix_qbu_set(struct net_device *ndev, u8 preemptible);
++int felix_qbu_get(struct net_device *ndev, struct tsn_preempt_status *c);
++int felix_cb_streamid_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_streamid *streamid);
++int felix_cb_streamid_set(struct net_device *ndev, u32 index,
++ bool enable, struct tsn_cb_streamid *streamid);
++int felix_cb_streamid_counters_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_streamid_counters *sc);
++int felix_qci_sfi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sfi_conf *sfi);
++int felix_qci_sfi_set(struct net_device *ndev, u32 index,
++ bool enable, struct tsn_qci_psfp_sfi_conf *sfi);
++int felix_cb_streamid_counters_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_streamid_counters *s_counters);
++int felix_qci_sfi_counters_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sfi_counters *sfi_counters);
++int felix_qci_max_cap_get(struct net_device *ndev,
++ struct tsn_qci_psfp_stream_param *stream_para);
++int felix_qci_sgi_set(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sgi_conf *sgi_conf);
++int felix_qci_sgi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_sgi_conf *sgi_conf);
++int felix_qci_sgi_status_get(struct net_device *ndev, u16 index,
++ struct tsn_psfp_sgi_status *sgi_status);
++int felix_qci_fmi_set(struct net_device *ndev, u32 index,
++ bool enable, struct tsn_qci_psfp_fmi *fmi);
++int felix_qci_fmi_get(struct net_device *ndev, u32 index,
++ struct tsn_qci_psfp_fmi *fmi,
++ struct tsn_qci_psfp_fmi_counters *counters);
++int felix_seq_gen_set(struct net_device *ndev, u32 index,
++ struct tsn_seq_gen_conf *sg_conf);
++int felix_seq_rec_set(struct net_device *ndev, u32 index,
++ struct tsn_seq_rec_conf *sr_conf);
++int felix_cb_get(struct net_device *ndev, u32 index,
++ struct tsn_cb_status *c);
++int felix_dscp_set(struct net_device *ndev, bool enable, const u8 dscp_ix,
++ struct tsn_qos_switch_dscp_conf *c);
++
++void felix_tsn_init(struct net_device *ndev);
++#endif
+--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
++++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
+@@ -176,7 +176,7 @@ static const u32 vsc9959_qsys_regmap[] =
+ REG(QSYS_QMAXSDU_CFG_6, 0x00f62c),
+ REG(QSYS_QMAXSDU_CFG_7, 0x00f648),
+ REG(QSYS_PREEMPTION_CFG, 0x00f664),
+- REG_RESERVED(QSYS_CIR_CFG),
++ REG(QSYS_CIR_CFG, 0x000000),
+ REG(QSYS_EIR_CFG, 0x000004),
+ REG(QSYS_SE_CFG, 0x000008),
+ REG(QSYS_SE_DWRR_CFG, 0x00000c),
+@@ -269,7 +269,7 @@ static const u32 vsc9959_sys_regmap[] =
+ REG_RESERVED(SYS_MMGT_FAST),
+ REG_RESERVED(SYS_EVENTS_DIF),
+ REG_RESERVED(SYS_EVENTS_CORE),
+- REG_RESERVED(SYS_CNT),
++ REG(SYS_CNT, 0x000000),
+ REG(SYS_PTP_STATUS, 0x000f14),
+ REG(SYS_PTP_TXSTAMP, 0x000f18),
+ REG(SYS_PTP_NXT, 0x000f1c),
+@@ -290,6 +290,10 @@ static const u32 vsc9959_ptp_regmap[] =
+ REG(PTP_CFG_MISC, 0x0000a0),
+ REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
+ REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
++ REG(PTP_CUR_NSF, 0x0000bc),
++ REG(PTP_CUR_NSEC, 0x0000c0),
++ REG(PTP_CUR_SEC_LSB, 0x0000c4),
++ REG(PTP_CUR_SEC_MSB, 0x0000c8),
+ };
+
+ static const u32 vsc9959_gcb_regmap[] = {
+--- a/include/net/dsa.h
++++ b/include/net/dsa.h
+@@ -545,6 +545,7 @@ struct dsa_switch_ops {
+ */
+ netdev_tx_t (*port_deferred_xmit)(struct dsa_switch *ds, int port,
+ struct sk_buff *skb);
++ int (*port_tsn_enable)(struct dsa_port *dp);
+ };
+
+ struct dsa_switch_driver {
+--- a/net/dsa/dsa2.c
++++ b/net/dsa/dsa2.c
+@@ -323,6 +323,10 @@ static int dsa_port_setup(struct dsa_por
+ if (err)
+ break;
+
++ /* Enable TSN function on switch port */
++ if (ds->ops->port_tsn_enable)
++ ds->ops->port_tsn_enable(dp);
++
+ devlink_port_type_eth_set(dlp, dp->slave);
+ break;
+ }