openwrt/target/linux/ipq40xx/patches-6.6/706-net-dsa-qca8k-add-IPQ4019-built-in-switch-support.patch

From a38126870488398932e017dd9d76174b4aadbbbb Mon Sep 17 00:00:00 2001
From: Robert Marko <robert.marko@sartura.hr>
Date: Sat, 10 Sep 2022 15:46:09 +0200
Subject: [PATCH] net: dsa: qca8k: add IPQ4019 built-in switch support

Qualcomm IPQ40xx SoC-s have a variant of QCA8337N switch built-in.

It shares most of the stuff with its external counterpart, however it is
modified for the SoC.
Namely, it doesn't have second CPU port (Port 6), so it has 6 ports
instead of 7.
It also has no built-in PHY-s but rather requires external PSGMII based
companion PHY-s (QCA8072 and QCA8075) for which it first needs to carry
out calibration before using them.
PSGMII has a SoC built-in PHY that is used to connect to the PHY-s which
unfortunately requires some magic values as the datasheet doesnt document
the bits that are being set or the register at all.

Since its built-in it is MMIO like other peripherals and doesn't have its
own MDIO bus but depends on the SoC provided one.

CPU connection is at Port 0 and it uses some kind of a internal connection
and no traditional RGMII/SGMII.

It also doesn't use in-band tagging like other qca8k switches so a out of
band based tagger is used.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
---
 drivers/net/dsa/qca/Kconfig         |   8 +
 drivers/net/dsa/qca/Makefile        |   1 +
 drivers/net/dsa/qca/qca8k-common.c  |   6 +-
 drivers/net/dsa/qca/qca8k-ipq4019.c | 948 ++++++++++++++++++++++++++++
 drivers/net/dsa/qca/qca8k.h         |  56 ++
 5 files changed, 1016 insertions(+), 3 deletions(-)
 create mode 100644 drivers/net/dsa/qca/qca8k-ipq4019.c

--- a/drivers/net/dsa/qca/Kconfig
+++ b/drivers/net/dsa/qca/Kconfig
@@ -24,3 +24,11 @@ config NET_DSA_QCA8K_LEDS_SUPPORT
 	help
 	  This enabled support for LEDs present on the Qualcomm Atheros
 	  QCA8K Ethernet switch chips.
+
+config NET_DSA_QCA8K_IPQ4019
+	tristate "Qualcomm Atheros IPQ4019 Ethernet switch support"
+	select NET_DSA_TAG_OOB
+	select REGMAP_MMIO
+	help
+	  This enables support for the switch built-into Qualcomm Atheros
+	  IPQ4019 SoCs.
--- a/drivers/net/dsa/qca/Makefile
+++ b/drivers/net/dsa/qca/Makefile
@@ -5,3 +5,4 @@ qca8k-y 			+= qca8k-common.o qca8k-8xxx.
 ifdef CONFIG_NET_DSA_QCA8K_LEDS_SUPPORT
 qca8k-y				+= qca8k-leds.o
 endif
+obj-$(CONFIG_NET_DSA_QCA8K_IPQ4019)	+= qca8k-ipq4019.o qca8k-common.o
--- a/drivers/net/dsa/qca/qca8k-common.c
+++ b/drivers/net/dsa/qca/qca8k-common.c
@@ -412,7 +412,7 @@ static int qca8k_vlan_del(struct qca8k_p
 
 	/* Check if we're the last member to be removed */
 	del = true;
-	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+	for (i = 0; i < priv->ds->num_ports; i++) {
 		mask = QCA8K_VTU_FUNC0_EG_MODE_PORT_NOT(i);
 
 		if ((reg & mask) != mask) {
@@ -653,7 +653,7 @@ int qca8k_port_bridge_join(struct dsa_sw
 	cpu_port = dsa_to_port(ds, port)->cpu_dp->index;
 	port_mask = BIT(cpu_port);
 
-	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+	for (i = 0; i < ds->num_ports; i++) {
 		if (dsa_is_cpu_port(ds, i))
 			continue;
 		if (!dsa_port_offloads_bridge(dsa_to_port(ds, i), &bridge))
@@ -685,7 +685,7 @@ void qca8k_port_bridge_leave(struct dsa_
 
 	cpu_port = dsa_to_port(ds, port)->cpu_dp->index;
 
-	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+	for (i = 0; i < ds->num_ports; i++) {
 		if (dsa_is_cpu_port(ds, i))
 			continue;
 		if (!dsa_port_offloads_bridge(dsa_to_port(ds, i), &bridge))
--- /dev/null
+++ b/drivers/net/dsa/qca/qca8k-ipq4019.c
@@ -0,0 +1,948 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2009 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2011-2012, 2020-2021 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (c) 2015, 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016 John Crispin <john@phrozen.org>
+ * Copyright (c) 2022 Robert Marko <robert.marko@sartura.hr>
+ */
+
+#include <linux/module.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include <net/dsa.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/of_platform.h>
+#include <linux/mdio.h>
+#include <linux/phylink.h>
+
+#include "qca8k.h"
+
+static struct regmap_config qca8k_ipq4019_regmap_config = {
+	.reg_bits = 32,
+	.val_bits = 32,
+	.reg_stride = 4,
+	.max_register = 0x16ac, /* end MIB - Port6 range */
+	.rd_table = &qca8k_readable_table,
+};
+
+static struct regmap_config qca8k_ipq4019_psgmii_phy_regmap_config = {
+	.name = "psgmii-phy",
+	.reg_bits = 32,
+	.val_bits = 32,
+	.reg_stride = 4,
+	.max_register = 0x7fc,
+};
+
+static enum dsa_tag_protocol
+qca8k_ipq4019_get_tag_protocol(struct dsa_switch *ds, int port,
+			       enum dsa_tag_protocol mp)
+{
+	return DSA_TAG_PROTO_OOB;
+}
+
+static struct phylink_pcs *
+qca8k_ipq4019_phylink_mac_select_pcs(struct dsa_switch *ds, int port,
+				     phy_interface_t interface)
+{
+	struct qca8k_priv *priv = ds->priv;
+	struct phylink_pcs *pcs = NULL;
+
+	switch (interface) {
+	case PHY_INTERFACE_MODE_PSGMII:
+		switch (port) {
+		case 0:
+			pcs = &priv->pcs_port_0.pcs;
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return pcs;
+}
+
+static int qca8k_ipq4019_pcs_config(struct phylink_pcs *pcs, unsigned int mode,
+				    phy_interface_t interface,
+				    const unsigned long *advertising,
+				    bool permit_pause_to_mac)
+{
+	return 0;
+}
+
+static void qca8k_ipq4019_pcs_an_restart(struct phylink_pcs *pcs)
+{
+}
+
+static struct qca8k_pcs *pcs_to_qca8k_pcs(struct phylink_pcs *pcs)
+{
+	return container_of(pcs, struct qca8k_pcs, pcs);
+}
+
+static void qca8k_ipq4019_pcs_get_state(struct phylink_pcs *pcs,
+					struct phylink_link_state *state)
+{
+	struct qca8k_priv *priv = pcs_to_qca8k_pcs(pcs)->priv;
+	int port = pcs_to_qca8k_pcs(pcs)->port;
+	u32 reg;
+	int ret;
+
+	ret = qca8k_read(priv, QCA8K_REG_PORT_STATUS(port), &reg);
+	if (ret < 0) {
+		state->link = false;
+		return;
+	}
+
+	state->link = !!(reg & QCA8K_PORT_STATUS_LINK_UP);
+	state->an_complete = state->link;
+	state->duplex = (reg & QCA8K_PORT_STATUS_DUPLEX) ? DUPLEX_FULL :
+							   DUPLEX_HALF;
+
+	switch (reg & QCA8K_PORT_STATUS_SPEED) {
+	case QCA8K_PORT_STATUS_SPEED_10:
+		state->speed = SPEED_10;
+		break;
+	case QCA8K_PORT_STATUS_SPEED_100:
+		state->speed = SPEED_100;
+		break;
+	case QCA8K_PORT_STATUS_SPEED_1000:
+		state->speed = SPEED_1000;
+		break;
+	default:
+		state->speed = SPEED_UNKNOWN;
+		break;
+	}
+
+	if (reg & QCA8K_PORT_STATUS_RXFLOW)
+		state->pause |= MLO_PAUSE_RX;
+	if (reg & QCA8K_PORT_STATUS_TXFLOW)
+		state->pause |= MLO_PAUSE_TX;
+}
+
+static const struct phylink_pcs_ops qca8k_pcs_ops = {
+	.pcs_get_state = qca8k_ipq4019_pcs_get_state,
+	.pcs_config = qca8k_ipq4019_pcs_config,
+	.pcs_an_restart = qca8k_ipq4019_pcs_an_restart,
+};
+
+static void qca8k_ipq4019_setup_pcs(struct qca8k_priv *priv,
+				    struct qca8k_pcs *qpcs,
+				    int port)
+{
+	qpcs->pcs.ops = &qca8k_pcs_ops;
+
+	/* We don't have interrupts for link changes, so we need to poll */
+	qpcs->pcs.poll = true;
+	qpcs->priv = priv;
+	qpcs->port = port;
+}
+
+static void qca8k_ipq4019_phylink_get_caps(struct dsa_switch *ds, int port,
+					   struct phylink_config *config)
+{
+	switch (port) {
+	case 0: /* CPU port */
+		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
+			  config->supported_interfaces);
+		break;
+
+	case 1:
+	case 2:
+	case 3:
+		__set_bit(PHY_INTERFACE_MODE_PSGMII,
+			  config->supported_interfaces);
+		break;
+	case 4:
+	case 5:
+		phy_interface_set_rgmii(config->supported_interfaces);
+		__set_bit(PHY_INTERFACE_MODE_PSGMII,
+			  config->supported_interfaces);
+		break;
+	}
+
+	config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+		MAC_10 | MAC_100 | MAC_1000FD;
+}
+
+static void
+qca8k_phylink_ipq4019_mac_link_down(struct dsa_switch *ds, int port,
+				    unsigned int mode,
+				    phy_interface_t interface)
+{
+	struct qca8k_priv *priv = ds->priv;
+
+	qca8k_port_set_status(priv, port, 0);
+}
+
+static void
+qca8k_phylink_ipq4019_mac_link_up(struct dsa_switch *ds, int port,
+				  unsigned int mode, phy_interface_t interface,
+				  struct phy_device *phydev, int speed,
+				  int duplex, bool tx_pause, bool rx_pause)
+{
+	struct qca8k_priv *priv = ds->priv;
+	u32 reg;
+
+	if (phylink_autoneg_inband(mode)) {
+		reg = QCA8K_PORT_STATUS_LINK_AUTO;
+	} else {
+		switch (speed) {
+		case SPEED_10:
+			reg = QCA8K_PORT_STATUS_SPEED_10;
+			break;
+		case SPEED_100:
+			reg = QCA8K_PORT_STATUS_SPEED_100;
+			break;
+		case SPEED_1000:
+			reg = QCA8K_PORT_STATUS_SPEED_1000;
+			break;
+		default:
+			reg = QCA8K_PORT_STATUS_LINK_AUTO;
+			break;
+		}
+
+		if (duplex == DUPLEX_FULL)
+			reg |= QCA8K_PORT_STATUS_DUPLEX;
+
+		if (rx_pause || dsa_is_cpu_port(ds, port))
+			reg |= QCA8K_PORT_STATUS_RXFLOW;
+
+		if (tx_pause || dsa_is_cpu_port(ds, port))
+			reg |= QCA8K_PORT_STATUS_TXFLOW;
+	}
+
+	reg |= QCA8K_PORT_STATUS_TXMAC | QCA8K_PORT_STATUS_RXMAC;
+
+	qca8k_write(priv, QCA8K_REG_PORT_STATUS(port), reg);
+}
+
+static int psgmii_vco_calibrate(struct qca8k_priv *priv)
+{
+	int val, ret;
+
+	if (!priv->psgmii_ethphy) {
+		dev_err(priv->dev, "PSGMII eth PHY missing, calibration failed!\n");
+		return -ENODEV;
+	}
+
+	/* Fix PSGMII RX 20bit */
+	ret = phy_write(priv->psgmii_ethphy, MII_BMCR, 0x5b);
+	/* Reset PHY PSGMII */
+	ret = phy_write(priv->psgmii_ethphy, MII_BMCR, 0x1b);
+	/* Release PHY PSGMII reset */
+	ret = phy_write(priv->psgmii_ethphy, MII_BMCR, 0x5b);
+
+	/* Poll for VCO PLL calibration finish - Malibu(QCA8075) */
+	ret = phy_read_mmd_poll_timeout(priv->psgmii_ethphy,
+					MDIO_MMD_PMAPMD,
+					0x28, val,
+					(val & BIT(0)),
+					10000, 1000000,
+					false);
+	if (ret) {
+		dev_err(priv->dev, "QCA807x PSGMII VCO calibration PLL not ready\n");
+		return ret;
+	}
+	mdelay(50);
+
+	/* Freeze PSGMII RX CDR */
+	ret = phy_write(priv->psgmii_ethphy, MII_RESV2, 0x2230);
+
+	/* Start PSGMIIPHY VCO PLL calibration */
+	ret = regmap_set_bits(priv->psgmii,
+			PSGMIIPHY_VCO_CALIBRATION_CONTROL_REGISTER_1,
+			PSGMIIPHY_REG_PLL_VCO_CALIB_RESTART);
+
+	/* Poll for PSGMIIPHY PLL calibration finish - Dakota(IPQ40xx) */
+	ret = regmap_read_poll_timeout(priv->psgmii,
+				       PSGMIIPHY_VCO_CALIBRATION_CONTROL_REGISTER_2,
+				       val, val & PSGMIIPHY_REG_PLL_VCO_CALIB_READY,
+				       10000, 1000000);
+	if (ret) {
+		dev_err(priv->dev, "IPQ PSGMIIPHY VCO calibration PLL not ready\n");
+		return ret;
+	}
+	mdelay(50);
+
+	/* Release PSGMII RX CDR */
+	ret = phy_write(priv->psgmii_ethphy, MII_RESV2, 0x3230);
+	/* Release PSGMII RX 20bit */
+	ret = phy_write(priv->psgmii_ethphy, MII_BMCR, 0x5f);
+	mdelay(200);
+
+	return ret;
+}
+
+static void
+qca8k_switch_port_loopback_on_off(struct qca8k_priv *priv, int port, int on)
+{
+	u32 val = QCA8K_PORT_LOOKUP_LOOPBACK_EN;
+
+	if (on == 0)
+		val = 0;
+
+	qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
+		  QCA8K_PORT_LOOKUP_LOOPBACK_EN, val);
+}
+
+static int
+qca8k_wait_for_phy_link_state(struct phy_device *phy, int need_status)
+{
+	int a;
+	u16 status;
+
+	for (a = 0; a < 100; a++) {
+		status = phy_read(phy, MII_QCA8075_SSTATUS);
+		status &= QCA8075_PHY_SPEC_STATUS_LINK;
+		status = !!status;
+		if (status == need_status)
+			return 0;
+		mdelay(8);
+	}
+
+	return -1;
+}
+
+static void
+qca8k_phy_loopback_on_off(struct qca8k_priv *priv, struct phy_device *phy,
+			  int sw_port, int on)
+{
+	if (on) {
+		phy_write(phy, MII_BMCR, BMCR_ANENABLE | BMCR_RESET);
+		phy_modify(phy, MII_BMCR, BMCR_PDOWN, BMCR_PDOWN);
+		qca8k_wait_for_phy_link_state(phy, 0);
+		qca8k_write(priv, QCA8K_REG_PORT_STATUS(sw_port), 0);
+		phy_write(phy, MII_BMCR,
+			BMCR_SPEED1000 |
+			BMCR_FULLDPLX |
+			BMCR_LOOPBACK);
+		qca8k_wait_for_phy_link_state(phy, 1);
+		qca8k_write(priv, QCA8K_REG_PORT_STATUS(sw_port),
+			QCA8K_PORT_STATUS_SPEED_1000 |
+			QCA8K_PORT_STATUS_TXMAC |
+			QCA8K_PORT_STATUS_RXMAC |
+			QCA8K_PORT_STATUS_DUPLEX);
+		qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(sw_port),
+			QCA8K_PORT_LOOKUP_STATE_FORWARD,
+			QCA8K_PORT_LOOKUP_STATE_FORWARD);
+	} else { /* off */
+		qca8k_write(priv, QCA8K_REG_PORT_STATUS(sw_port), 0);
+		qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(sw_port),
+			QCA8K_PORT_LOOKUP_STATE_DISABLED,
+			QCA8K_PORT_LOOKUP_STATE_DISABLED);
+		phy_write(phy, MII_BMCR, BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_RESET);
+		/* turn off the power of the phys - so that unused
+			 ports do not raise links */
+		phy_modify(phy, MII_BMCR, BMCR_PDOWN, BMCR_PDOWN);
+	}
+}
+
+static void
+qca8k_phy_pkt_gen_prep(struct qca8k_priv *priv, struct phy_device *phy,
+		       int pkts_num, int on)
+{
+	if (on) {
+		/* enable CRC checker and packets counters */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_CRC_AND_PKTS_COUNT, 0);
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_CRC_AND_PKTS_COUNT,
+			QCA8075_MMD7_CNT_FRAME_CHK_EN | QCA8075_MMD7_CNT_SELFCLR);
+		qca8k_wait_for_phy_link_state(phy, 1);
+		/* packet number */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_PKT_NUMB, pkts_num);
+		/* pkt size - 1504 bytes + 20 bytes */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_PKT_SIZE, 1504);
+	} else { /* off */
+		/* packet number */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_PKT_NUMB, 0);
+		/* disable CRC checker and packet counter */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_CRC_AND_PKTS_COUNT, 0);
+		/* disable traffic gen */
+		phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_CTRL, 0);
+	}
+}
+
+static void
+qca8k_wait_for_phy_pkt_gen_fin(struct qca8k_priv *priv, struct phy_device *phy)
+{
+	int val;
+	/* wait for all traffic end: 4096(pkt num)*1524(size)*8ns(125MHz)=49938us */
+	phy_read_mmd_poll_timeout(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_CTRL,
+				  val, !(val & QCA8075_MMD7_PKT_GEN_INPROGR),
+				  50000, 1000000, true);
+}
+
+static void
+qca8k_start_phy_pkt_gen(struct phy_device *phy)
+{
+	/* start traffic gen */
+	phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_PKT_GEN_CTRL,
+		      QCA8075_MMD7_PKT_GEN_START | QCA8075_MMD7_PKT_GEN_INPROGR);
+}
+
+static int
+qca8k_start_all_phys_pkt_gens(struct qca8k_priv *priv)
+{
+	struct phy_device *phy;
+	phy = phy_device_create(priv->bus, QCA8075_MDIO_BRDCST_PHY_ADDR,
+		0, 0, NULL);
+	if (!phy) {
+		dev_err(priv->dev, "unable to create mdio broadcast PHY(0x%x)\n",
+			QCA8075_MDIO_BRDCST_PHY_ADDR);
+		return -ENODEV;
+	}
+
+	qca8k_start_phy_pkt_gen(phy);
+
+	phy_device_free(phy);
+	return 0;
+}
+
+static int
+qca8k_get_phy_pkt_gen_test_result(struct phy_device *phy, int pkts_num)
+{
+	u32 tx_ok, tx_error;
+	u32 rx_ok, rx_error;
+	u32 tx_ok_high16;
+	u32 rx_ok_high16;
+	u32 tx_all_ok, rx_all_ok;
+
+	/* check counters */
+	tx_ok = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_EG_FRAME_RECV_CNT_LO);
+	tx_ok_high16 = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_EG_FRAME_RECV_CNT_HI);
+	tx_error = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_EG_FRAME_ERR_CNT);
+	rx_ok = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_IG_FRAME_RECV_CNT_LO);
+	rx_ok_high16 = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_IG_FRAME_RECV_CNT_HI);
+	rx_error = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_IG_FRAME_ERR_CNT);
+	tx_all_ok = tx_ok + (tx_ok_high16 << 16);
+	rx_all_ok = rx_ok + (rx_ok_high16 << 16);
+
+	if (tx_all_ok < pkts_num)
+		return -1;
+	if(rx_all_ok < pkts_num)
+		return -2;
+	if(tx_error)
+		return -3;
+	if(rx_error)
+		return -4;
+	return 0; /* test is ok */
+}
+
+static
+void qca8k_phy_broadcast_write_on_off(struct qca8k_priv *priv,
+				      struct phy_device *phy, int on)
+{
+	u32 val;
+
+	val = phy_read_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_MDIO_BRDCST_WRITE);
+
+	if (on == 0)
+		val &= ~QCA8075_MMD7_MDIO_BRDCST_WRITE_EN;
+	else
+		val |= QCA8075_MMD7_MDIO_BRDCST_WRITE_EN;
+
+	phy_write_mmd(phy, MDIO_MMD_AN, QCA8075_MMD7_MDIO_BRDCST_WRITE, val);
+}
+
+static int
+qca8k_test_dsa_port_for_errors(struct qca8k_priv *priv, struct phy_device *phy,
+			       int port, int test_phase)
+{
+	int res = 0;
+	const int test_pkts_num = QCA8075_PKT_GEN_PKTS_COUNT;
+
+	if (test_phase == 1) { /* start test preps */
+		qca8k_phy_loopback_on_off(priv, phy, port, 1);
+		qca8k_switch_port_loopback_on_off(priv, port, 1);
+		qca8k_phy_broadcast_write_on_off(priv, phy, 1);
+		qca8k_phy_pkt_gen_prep(priv, phy, test_pkts_num, 1);
+	} else if (test_phase == 2) {
+		/* wait for test results, collect it and cleanup */
+		qca8k_wait_for_phy_pkt_gen_fin(priv, phy);
+		res = qca8k_get_phy_pkt_gen_test_result(phy, test_pkts_num);
+		qca8k_phy_pkt_gen_prep(priv, phy, test_pkts_num, 0);
+		qca8k_phy_broadcast_write_on_off(priv, phy, 0);
+		qca8k_switch_port_loopback_on_off(priv, port, 0);
+		qca8k_phy_loopback_on_off(priv, phy, port, 0);
+	}
+
+	return res;
+}
+
+static int
+qca8k_do_dsa_sw_ports_self_test(struct qca8k_priv *priv, int parallel_test)
+{
+	struct device_node *dn = priv->dev->of_node;
+	struct device_node *ports, *port;
+	struct device_node *phy_dn;
+	struct phy_device *phy;
+	int reg, err = 0, test_phase;
+	u32 tests_result = 0;
+
+	ports = of_get_child_by_name(dn, "ports");
+	if (!ports) {
+		dev_err(priv->dev, "no ports child node found\n");
+			return -EINVAL;
+	}
+
+	for (test_phase = 1; test_phase <= 2; test_phase++) {
+		if (parallel_test && test_phase == 2) {
+			err = qca8k_start_all_phys_pkt_gens(priv);
+			if (err)
+				goto error;
+		}
+		for_each_available_child_of_node(ports, port) {
+			err = of_property_read_u32(port, "reg", &reg);
+			if (err)
+				goto error;
+			if (reg >= QCA8K_NUM_PORTS) {
+				err = -EINVAL;
+				goto error;
+			}
+			phy_dn = of_parse_phandle(port, "phy-handle", 0);
+			if (phy_dn) {
+				phy = of_phy_find_device(phy_dn);
+				of_node_put(phy_dn);
+				if (phy) {
+					int result;
+					result = qca8k_test_dsa_port_for_errors(priv,
+						phy, reg, test_phase);
+					if (!parallel_test && test_phase == 1)
+						qca8k_start_phy_pkt_gen(phy);
+					put_device(&phy->mdio.dev);
+					if (test_phase == 2) {
+						tests_result <<= 1;
+						if (result)
+							tests_result |= 1;
+					}
+				}
+			}
+		}
+	}
+
+end:
+	of_node_put(ports);
+	qca8k_fdb_flush(priv);
+	return tests_result;
+error:
+	tests_result |= 0xf000;
+	goto end;
+}
+
+static int
+psgmii_vco_calibrate_and_test(struct dsa_switch *ds)
+{
+	int ret, a, test_result;
+	struct qca8k_priv *priv = ds->priv;
+
+	for (a = 0; a <= QCA8K_PSGMII_CALB_NUM; a++) {
+		ret = psgmii_vco_calibrate(priv);
+		if (ret)
+			return ret;
+		/* first we run serial test */
+		test_result = qca8k_do_dsa_sw_ports_self_test(priv, 0);
+		/* and if it is ok then we run the test in parallel */
+		if (!test_result)
+			test_result = qca8k_do_dsa_sw_ports_self_test(priv, 1);
+		if (!test_result) {
+			if (a > 0) {
+				dev_warn(priv->dev, "PSGMII work was stabilized after %d "
+					"calibration retries !\n", a);
+			}
+			return 0;
+		} else {
+			schedule();
+			if (a > 0 && a % 10 == 0) {
+				dev_err(priv->dev, "PSGMII work is unstable !!! "
+					"Let's try to wait a bit ... %d\n", a);
+				set_current_state(TASK_INTERRUPTIBLE);
+				schedule_timeout(msecs_to_jiffies(a * 100));
+			}
+		}
+	}
+
+	dev_err(priv->dev, "PSGMII work is unstable !!! "
+		"Repeated recalibration attempts did not help(0x%x) !\n",
+		test_result);
+
+	return -EFAULT;
+}
+
+static int
+ipq4019_psgmii_configure(struct dsa_switch *ds)
+{
+	struct qca8k_priv *priv = ds->priv;
+	int ret;
+
+	if (!priv->psgmii_calibrated) {
+		dev_info(ds->dev, "PSGMII calibration!\n");
+		ret = psgmii_vco_calibrate_and_test(ds);
+
+		ret = regmap_clear_bits(priv->psgmii, PSGMIIPHY_MODE_CONTROL,
+					PSGMIIPHY_MODE_ATHR_CSCO_MODE_25M);
+		ret = regmap_write(priv->psgmii, PSGMIIPHY_TX_CONTROL,
+				   PSGMIIPHY_TX_CONTROL_MAGIC_VALUE);
+
+		priv->psgmii_calibrated = true;
+
+		return ret;
+	}
+
+	return 0;
+}
+
+static void
+qca8k_phylink_ipq4019_mac_config(struct dsa_switch *ds, int port,
+				 unsigned int mode,
+				 const struct phylink_link_state *state)
+{
+	struct qca8k_priv *priv = ds->priv;
+
+	switch (port) {
+	case 0:
+		/* CPU port, no configuration needed */
+		return;
+	case 1:
+	case 2:
+	case 3:
+		if (state->interface == PHY_INTERFACE_MODE_PSGMII)
+			if (ipq4019_psgmii_configure(ds))
+				dev_err(ds->dev, "PSGMII configuration failed!\n");
+		return;
+	case 4:
+	case 5:
+		if (state->interface == PHY_INTERFACE_MODE_RGMII ||
+		    state->interface == PHY_INTERFACE_MODE_RGMII_ID ||
+		    state->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
+		    state->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
+			regmap_set_bits(priv->regmap,
+					QCA8K_IPQ4019_REG_RGMII_CTRL,
+					QCA8K_IPQ4019_RGMII_CTRL_CLK);
+		}
+
+		if (state->interface == PHY_INTERFACE_MODE_PSGMII)
+			if (ipq4019_psgmii_configure(ds))
+				dev_err(ds->dev, "PSGMII configuration failed!\n");
+		return;
+	default:
+		dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port);
+		return;
+	}
+}
+
+static int
+qca8k_ipq4019_setup_port(struct dsa_switch *ds, int port)
+{
+	struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
+	int ret;
+
+	/* CPU port gets connected to all user ports of the switch */
+	if (dsa_is_cpu_port(ds, port)) {
+		ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
+				QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
+		if (ret)
+			return ret;
+
+		/* Disable CPU ARP Auto-learning by default */
+		ret = regmap_clear_bits(priv->regmap,
+					QCA8K_PORT_LOOKUP_CTRL(port),
+					QCA8K_PORT_LOOKUP_LEARN);
+		if (ret)
+			return ret;
+	}
+
+	/* Individual user ports get connected to CPU port only */
+	if (dsa_is_user_port(ds, port)) {
+		ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
+				QCA8K_PORT_LOOKUP_MEMBER,
+				BIT(QCA8K_IPQ4019_CPU_PORT));
+		if (ret)
+			return ret;
+
+		/* Enable ARP Auto-learning by default */
+		ret = regmap_set_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+				      QCA8K_PORT_LOOKUP_LEARN);
+		if (ret)
+			return ret;
+
+		/* For port based vlans to work we need to set the
+		 * default egress vid
+		 */
+		ret = qca8k_rmw(priv, QCA8K_EGRESS_VLAN(port),
+				QCA8K_EGREES_VLAN_PORT_MASK(port),
+				QCA8K_EGREES_VLAN_PORT(port, QCA8K_PORT_VID_DEF));
+		if (ret)
+			return ret;
+
+		ret = qca8k_write(priv, QCA8K_REG_PORT_VLAN_CTRL0(port),
+				  QCA8K_PORT_VLAN_CVID(QCA8K_PORT_VID_DEF) |
+				  QCA8K_PORT_VLAN_SVID(QCA8K_PORT_VID_DEF));
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int
+qca8k_ipq4019_setup(struct dsa_switch *ds)
+{
+	struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
+	int ret, i;
+
+	/* Make sure that port 0 is the cpu port */
+	if (!dsa_is_cpu_port(ds, QCA8K_IPQ4019_CPU_PORT)) {
+		dev_err(priv->dev, "port %d is not the CPU port",
+			QCA8K_IPQ4019_CPU_PORT);
+		return -EINVAL;
+	}
+
+	qca8k_ipq4019_setup_pcs(priv, &priv->pcs_port_0, 0);
+
+	/* Enable CPU Port */
+	ret = regmap_set_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
+			      QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN);
+	if (ret) {
+		dev_err(priv->dev, "failed enabling CPU port");
+		return ret;
+	}
+
+	/* Enable MIB counters */
+	ret = qca8k_mib_init(priv);
+	if (ret)
+		dev_warn(priv->dev, "MIB init failed");
+
+	/* Disable forwarding by default on all ports */
+	for (i = 0; i < QCA8K_IPQ4019_NUM_PORTS; i++) {
+		ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
+				QCA8K_PORT_LOOKUP_MEMBER, 0);
+		if (ret)
+			return ret;
+	}
+
+	/* Enable QCA header mode on the CPU port */
+	ret = qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(QCA8K_IPQ4019_CPU_PORT),
+			  FIELD_PREP(QCA8K_PORT_HDR_CTRL_TX_MASK, QCA8K_PORT_HDR_CTRL_ALL) |
+			  FIELD_PREP(QCA8K_PORT_HDR_CTRL_RX_MASK, QCA8K_PORT_HDR_CTRL_ALL));
+	if (ret) {
+		dev_err(priv->dev, "failed enabling QCA header mode");
+		return ret;
+	}
+
+	/* Disable MAC by default on all ports */
+	for (i = 0; i < QCA8K_IPQ4019_NUM_PORTS; i++) {
+		if (dsa_is_user_port(ds, i))
+			qca8k_port_set_status(priv, i, 0);
+	}
+
+	/* Forward all unknown frames to CPU port for Linux processing */
+	ret = qca8k_write(priv, QCA8K_REG_GLOBAL_FW_CTRL1,
+			  FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, BIT(QCA8K_IPQ4019_CPU_PORT)) |
+			  FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, BIT(QCA8K_IPQ4019_CPU_PORT)) |
+			  FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, BIT(QCA8K_IPQ4019_CPU_PORT)) |
+			  FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, BIT(QCA8K_IPQ4019_CPU_PORT)));
+	if (ret)
+		return ret;
+
+	/* Setup connection between CPU port & user ports */
+	for (i = 0; i < QCA8K_IPQ4019_NUM_PORTS; i++) {
+		ret = qca8k_ipq4019_setup_port(ds, i);
+		if (ret)
+			return ret;
+	}
+
+	/* Setup our port MTUs to match power on defaults */
+	ret = qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, ETH_FRAME_LEN + ETH_FCS_LEN);
+	if (ret)
+		dev_warn(priv->dev, "failed setting MTU settings");
+
+	/* Flush the FDB table */
+	qca8k_fdb_flush(priv);
+
+	/* Set min a max ageing value supported */
+	ds->ageing_time_min = 7000;
+	ds->ageing_time_max = 458745000;
+
+	/* Set max number of LAGs supported */
+	ds->num_lag_ids = QCA8K_NUM_LAGS;
+
+	/* CPU port HW learning doesnt work correctly, so let DSA handle it */
+	ds->assisted_learning_on_cpu_port = true;
+
+	return 0;
+}
+
+static const struct dsa_switch_ops qca8k_ipq4019_switch_ops = {
+	.get_tag_protocol	= qca8k_ipq4019_get_tag_protocol,
+	.setup			= qca8k_ipq4019_setup,
+	.get_strings		= qca8k_get_strings,
+	.get_ethtool_stats	= qca8k_get_ethtool_stats,
+	.get_sset_count		= qca8k_get_sset_count,
+	.set_ageing_time	= qca8k_set_ageing_time,
+	.get_mac_eee		= qca8k_get_mac_eee,
+	.set_mac_eee		= qca8k_set_mac_eee,
+	.port_enable		= qca8k_port_enable,
+	.port_disable		= qca8k_port_disable,
+	.port_change_mtu	= qca8k_port_change_mtu,
+	.port_max_mtu		= qca8k_port_max_mtu,
+	.port_stp_state_set	= qca8k_port_stp_state_set,
+	.port_bridge_join	= qca8k_port_bridge_join,
+	.port_bridge_leave	= qca8k_port_bridge_leave,
+	.port_fast_age		= qca8k_port_fast_age,
+	.port_fdb_add		= qca8k_port_fdb_add,
+	.port_fdb_del		= qca8k_port_fdb_del,
+	.port_fdb_dump		= qca8k_port_fdb_dump,
+	.port_mdb_add		= qca8k_port_mdb_add,
+	.port_mdb_del		= qca8k_port_mdb_del,
+	.port_mirror_add	= qca8k_port_mirror_add,
+	.port_mirror_del	= qca8k_port_mirror_del,
+	.port_vlan_filtering	= qca8k_port_vlan_filtering,
+	.port_vlan_add		= qca8k_port_vlan_add,
+	.port_vlan_del		= qca8k_port_vlan_del,
+	.phylink_mac_select_pcs	= qca8k_ipq4019_phylink_mac_select_pcs,
+	.phylink_get_caps	= qca8k_ipq4019_phylink_get_caps,
+	.phylink_mac_config	= qca8k_phylink_ipq4019_mac_config,
+	.phylink_mac_link_down	= qca8k_phylink_ipq4019_mac_link_down,
+	.phylink_mac_link_up	= qca8k_phylink_ipq4019_mac_link_up,
+	.port_lag_join		= qca8k_port_lag_join,
+	.port_lag_leave		= qca8k_port_lag_leave,
+};
+
+static const struct qca8k_match_data ipq4019 = {
+	.id = QCA8K_ID_IPQ4019,
+	.mib_count = QCA8K_QCA833X_MIB_COUNT,
+};
+
+static int
+qca8k_ipq4019_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct qca8k_priv *priv;
+	void __iomem *base, *psgmii;
+	struct device_node *np = dev->of_node, *mdio_np, *psgmii_ethphy_np;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->dev = dev;
+	priv->info = &ipq4019;
+
+	/* Start by setting up the register mapping */
+	base = devm_platform_ioremap_resource_byname(pdev, "base");
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	priv->regmap = devm_regmap_init_mmio(dev, base,
+					     &qca8k_ipq4019_regmap_config);
+	if (IS_ERR(priv->regmap)) {
+		ret = PTR_ERR(priv->regmap);
+		dev_err(dev, "base regmap initialization failed, %d\n", ret);
+		return ret;
+	}
+
+	psgmii = devm_platform_ioremap_resource_byname(pdev, "psgmii_phy");
+	if (IS_ERR(psgmii))
+		return PTR_ERR(psgmii);
+
+	priv->psgmii = devm_regmap_init_mmio(dev, psgmii,
+					     &qca8k_ipq4019_psgmii_phy_regmap_config);
+	if (IS_ERR(priv->psgmii)) {
+		ret = PTR_ERR(priv->psgmii);
+		dev_err(dev, "PSGMII regmap initialization failed, %d\n", ret);
+		return ret;
+	}
+
+	mdio_np = of_parse_phandle(np, "mdio", 0);
+	if (!mdio_np) {
+		dev_err(dev, "unable to get MDIO bus phandle\n");
+		of_node_put(mdio_np);
+		return -EINVAL;
+	}
+
+	priv->bus = of_mdio_find_bus(mdio_np);
+	of_node_put(mdio_np);
+	if (!priv->bus) {
+		dev_err(dev, "unable to find MDIO bus\n");
+		return -EPROBE_DEFER;
+	}
+
+	psgmii_ethphy_np = of_parse_phandle(np, "psgmii-ethphy", 0);
+	if (!psgmii_ethphy_np) {
+		dev_dbg(dev, "unable to get PSGMII eth PHY phandle\n");
+		of_node_put(psgmii_ethphy_np);
+	}
+
+	if (psgmii_ethphy_np) {
+		priv->psgmii_ethphy = of_phy_find_device(psgmii_ethphy_np);
+		of_node_put(psgmii_ethphy_np);
+		if (!priv->psgmii_ethphy) {
+			dev_err(dev, "unable to get PSGMII eth PHY\n");
+			return -ENODEV;
+		}
+	}
+
+	/* Check the detected switch id */
+	ret = qca8k_read_switch_id(priv);
+	if (ret)
+		return ret;
+
+	priv->ds = devm_kzalloc(dev, sizeof(*priv->ds), GFP_KERNEL);
+	if (!priv->ds)
+		return -ENOMEM;
+
+	priv->ds->dev = dev;
+	priv->ds->num_ports = QCA8K_IPQ4019_NUM_PORTS;
+	priv->ds->priv = priv;
+	priv->ds->ops = &qca8k_ipq4019_switch_ops;
+	ret = devm_mutex_init(dev, &priv->reg_mutex);
+	if (ret)
+		return ret;
+	platform_set_drvdata(pdev, priv);
+
+	return dsa_register_switch(priv->ds);
+}
+
+static int
+qca8k_ipq4019_remove(struct platform_device *pdev)
+{
+	struct qca8k_priv *priv = dev_get_drvdata(&pdev->dev);
+	int i;
+
+	if (!priv)
+		return 0;
+
+	for (i = 0; i < QCA8K_IPQ4019_NUM_PORTS; i++)
+		qca8k_port_set_status(priv, i, 0);
+
+	dsa_unregister_switch(priv->ds);
+
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static const struct of_device_id qca8k_ipq4019_of_match[] = {
+	{ .compatible = "qca,ipq4019-qca8337n", },
+	{ /* sentinel */ },
+};
+
+static struct platform_driver qca8k_ipq4019_driver = {
+	.probe = qca8k_ipq4019_probe,
+	.remove = qca8k_ipq4019_remove,
+	.driver = {
+		.name = "qca8k-ipq4019",
+		.of_match_table = qca8k_ipq4019_of_match,
+	},
+};
+
+module_platform_driver(qca8k_ipq4019_driver);
+
+MODULE_AUTHOR("Mathieu Olivari, John Crispin <john@phrozen.org>");
+MODULE_AUTHOR("Gabor Juhos <j4g8y7@gmail.com>, Robert Marko <robert.marko@sartura.hr>");
+MODULE_DESCRIPTION("Qualcomm IPQ4019 built-in switch driver");
+MODULE_LICENSE("GPL");
--- a/drivers/net/dsa/qca/qca8k.h
+++ b/drivers/net/dsa/qca/qca8k.h
@@ -19,7 +19,10 @@
 #define QCA8K_ETHERNET_TIMEOUT				5
 
 #define QCA8K_NUM_PORTS					7
+#define QCA8K_IPQ4019_NUM_PORTS				6
 #define QCA8K_NUM_CPU_PORTS				2
+#define QCA8K_IPQ4019_NUM_CPU_PORTS			1
+#define QCA8K_IPQ4019_CPU_PORT				0
 #define QCA8K_MAX_MTU					9000
 #define QCA8K_NUM_LAGS					4
 #define QCA8K_NUM_PORTS_FOR_LAG				4
@@ -28,6 +31,7 @@
 #define QCA8K_ID_QCA8327				0x12
 #define PHY_ID_QCA8337					0x004dd036
 #define QCA8K_ID_QCA8337				0x13
+#define QCA8K_ID_IPQ4019				0x14
 
 #define QCA8K_QCA832X_MIB_COUNT				39
 #define QCA8K_QCA833X_MIB_COUNT				41
@@ -265,6 +269,7 @@
 #define   QCA8K_PORT_LOOKUP_STATE_LEARNING		QCA8K_PORT_LOOKUP_STATE(0x3)
 #define   QCA8K_PORT_LOOKUP_STATE_FORWARD		QCA8K_PORT_LOOKUP_STATE(0x4)
 #define   QCA8K_PORT_LOOKUP_LEARN			BIT(20)
+#define   QCA8K_PORT_LOOKUP_LOOPBACK_EN			BIT(21)
 #define   QCA8K_PORT_LOOKUP_ING_MIRROR_EN		BIT(25)
 
 #define QCA8K_REG_GOL_TRUNK_CTRL0			0x700
@@ -341,6 +346,53 @@
 #define MII_ATH_MMD_ADDR				0x0d
 #define MII_ATH_MMD_DATA				0x0e
 
+/* IPQ4019 PSGMII PHY registers */
+#define QCA8K_IPQ4019_REG_RGMII_CTRL			0x004
+#define   QCA8K_IPQ4019_RGMII_CTRL_RGMII_RXC		GENMASK(1, 0)
+#define   QCA8K_IPQ4019_RGMII_CTRL_RGMII_TXC		GENMASK(9, 8)
+/* Some kind of CLK selection
+ * 0: gcc_ess_dly2ns
+ * 1: gcc_ess_clk
+ */
+#define   QCA8K_IPQ4019_RGMII_CTRL_CLK				BIT(10)
+#define   QCA8K_IPQ4019_RGMII_CTRL_DELAY_RMII0			GENMASK(17, 16)
+#define   QCA8K_IPQ4019_RGMII_CTRL_INVERT_RMII0_REF_CLK		BIT(18)
+#define   QCA8K_IPQ4019_RGMII_CTRL_DELAY_RMII1			GENMASK(20, 19)
+#define   QCA8K_IPQ4019_RGMII_CTRL_INVERT_RMII1_REF_CLK		BIT(21)
+#define   QCA8K_IPQ4019_RGMII_CTRL_INVERT_RMII0_MASTER_EN	BIT(24)
+#define   QCA8K_IPQ4019_RGMII_CTRL_INVERT_RMII1_MASTER_EN	BIT(25)
+
+#define PSGMIIPHY_MODE_CONTROL				0x1b4
+#define   PSGMIIPHY_MODE_ATHR_CSCO_MODE_25M		BIT(0)
+#define PSGMIIPHY_TX_CONTROL				0x288
+#define   PSGMIIPHY_TX_CONTROL_MAGIC_VALUE		0x8380
+#define PSGMIIPHY_VCO_CALIBRATION_CONTROL_REGISTER_1	0x9c
+#define   PSGMIIPHY_REG_PLL_VCO_CALIB_RESTART		BIT(14)
+#define PSGMIIPHY_VCO_CALIBRATION_CONTROL_REGISTER_2	0xa0
+#define   PSGMIIPHY_REG_PLL_VCO_CALIB_READY		BIT(0)
+
+#define   QCA8K_PSGMII_CALB_NUM				100
+#define   MII_QCA8075_SSTATUS				0x11
+#define   QCA8075_PHY_SPEC_STATUS_LINK			BIT(10)
+#define   QCA8075_MMD7_CRC_AND_PKTS_COUNT		0x8029
+#define   QCA8075_MMD7_PKT_GEN_PKT_NUMB			0x8021
+#define   QCA8075_MMD7_PKT_GEN_PKT_SIZE			0x8062
+#define   QCA8075_MMD7_PKT_GEN_CTRL			0x8020
+#define   QCA8075_MMD7_CNT_SELFCLR			BIT(1)
+#define   QCA8075_MMD7_CNT_FRAME_CHK_EN			BIT(0)
+#define   QCA8075_MMD7_PKT_GEN_START			BIT(13)
+#define   QCA8075_MMD7_PKT_GEN_INPROGR			BIT(15)
+#define   QCA8075_MMD7_IG_FRAME_RECV_CNT_HI		0x802a
+#define   QCA8075_MMD7_IG_FRAME_RECV_CNT_LO		0x802b
+#define   QCA8075_MMD7_IG_FRAME_ERR_CNT			0x802c
+#define   QCA8075_MMD7_EG_FRAME_RECV_CNT_HI		0x802d
+#define   QCA8075_MMD7_EG_FRAME_RECV_CNT_LO		0x802e
+#define   QCA8075_MMD7_EG_FRAME_ERR_CNT			0x802f
+#define   QCA8075_MMD7_MDIO_BRDCST_WRITE		0x8028
+#define   QCA8075_MMD7_MDIO_BRDCST_WRITE_EN 		BIT(15)
+#define   QCA8075_MDIO_BRDCST_PHY_ADDR			0x1f
+#define   QCA8075_PKT_GEN_PKTS_COUNT			4096
+
 enum {
 	QCA8K_PORT_SPEED_10M = 0,
 	QCA8K_PORT_SPEED_100M = 1,
@@ -466,6 +518,10 @@ struct qca8k_priv {
 	struct qca8k_pcs pcs_port_6;
 	const struct qca8k_match_data *info;
 	struct qca8k_led ports_led[QCA8K_LED_COUNT];
+	/* IPQ4019 specific */
+	struct regmap *psgmii;
+	struct phy_device *psgmii_ethphy;
+	bool psgmii_calibrated;
 };
 
 struct qca8k_mib_desc {