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Message-ID: <5055f997f3dea3c26d6a34f94ed06bceda020790.1761521845.git.daniel@makrotopia.org>
Date: Sun, 26 Oct 2025 23:49:10 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Hauke Mehrtens <hauke@...ke-m.de>, Andrew Lunn <andrew@...n.ch>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Simon Horman <horms@...nel.org>,
Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Andreas Schirm <andreas.schirm@...mens.com>,
Lukas Stockmann <lukas.stockmann@...mens.com>,
Alexander Sverdlin <alexander.sverdlin@...mens.com>,
Peter Christen <peter.christen@...mens.com>,
Avinash Jayaraman <ajayaraman@...linear.com>,
Bing tao Xu <bxu@...linear.com>, Liang Xu <lxu@...linear.com>,
Juraj Povazanec <jpovazanec@...linear.com>,
"Fanni (Fang-Yi) Chan" <fchan@...linear.com>,
"Benny (Ying-Tsan) Weng" <yweng@...linear.com>,
"Livia M. Rosu" <lrosu@...linear.com>,
John Crispin <john@...ozen.org>
Subject: [PATCH net-next v3 12/12] net: dsa: add driver for MaxLinear GSW1xx
switch family
Add driver for the MaxLinear GSW1xx family of Ethernet switch ICs which
are based on the same IP as the Lantiq/Intel GSWIP found in the Lantiq VR9
and Intel GRX MIPS router SoCs. The main difference is that instead of
using memory-mapped I/O to communicate with the host CPU these ICs are
connected via MDIO (or SPI, which isn't supported by this driver).
Implement the regmap API to access the switch registers over MDIO to allow
reusing lantiq_gswip_common for all core functionality.
The GSW1xx also comes with a SerDes port capable of 1000Base-X, SGMII and
2500Base-X, which can either be used to connect an external PHY or SFP
cage, or as the CPU port. Support for the SerDes interface is implemented
in this driver using the phylink_pcs interface.
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
v3:
* avoid disrupt link when calling .pcs_config()
* sort functions and phylink_pcs_ops instance in same order as
struct definition
* always set bootstrap override bits and add explanatory comment
* move definitions to separate header file, squash into a single patch
* add custom properties for TX and RX inverted data on the SerDes
interface
v2: remove left-overs of 4k VLAN support (will be added in future)
drivers/net/dsa/lantiq/Kconfig | 12 +
drivers/net/dsa/lantiq/Makefile | 1 +
drivers/net/dsa/lantiq/lantiq_gswip.h | 1 +
drivers/net/dsa/lantiq/mxl-gsw1xx.c | 736 ++++++++++++++++++++++++
drivers/net/dsa/lantiq/mxl-gsw1xx.h | 126 ++++
drivers/net/dsa/lantiq/mxl-gsw1xx_pce.h | 154 +++++
6 files changed, 1030 insertions(+)
create mode 100644 drivers/net/dsa/lantiq/mxl-gsw1xx.c
create mode 100644 drivers/net/dsa/lantiq/mxl-gsw1xx.h
create mode 100644 drivers/net/dsa/lantiq/mxl-gsw1xx_pce.h
diff --git a/drivers/net/dsa/lantiq/Kconfig b/drivers/net/dsa/lantiq/Kconfig
index 78db82a47d09..4a9771be5d58 100644
--- a/drivers/net/dsa/lantiq/Kconfig
+++ b/drivers/net/dsa/lantiq/Kconfig
@@ -10,3 +10,15 @@ config NET_DSA_LANTIQ_GSWIP
help
This enables support for the Lantiq / Intel GSWIP 2.1 found in
the xrx200 / VR9 SoC.
+
+config NET_DSA_MXL_GSW1XX
+ tristate "MaxLinear GSW1xx Ethernet switch support"
+ select NET_DSA_TAG_MXL_GSW1XX
+ select NET_DSA_LANTIQ_COMMON
+ help
+ This enables support for the MaxLinear GSW1xx family of 1GE switches
+ GSW120 4 port, 2 PHYs, RGMII & SGMII/2500Base-X
+ GSW125 4 port, 2 PHYs, RGMII & SGMII/2500Base-X, industrial temperature
+ GSW140 6 port, 4 PHYs, RGMII & SGMII/2500Base-X
+ GSW141 6 port, 4 PHYs, RGMII & SGMII
+ GSW145 6 port, 4 PHYs, RGMII & SGMII/2500Base-X, industrial temperature
diff --git a/drivers/net/dsa/lantiq/Makefile b/drivers/net/dsa/lantiq/Makefile
index 65ffa7bb71aa..85fce605310b 100644
--- a/drivers/net/dsa/lantiq/Makefile
+++ b/drivers/net/dsa/lantiq/Makefile
@@ -1,2 +1,3 @@
obj-$(CONFIG_NET_DSA_LANTIQ_GSWIP) += lantiq_gswip.o
obj-$(CONFIG_NET_DSA_LANTIQ_COMMON) += lantiq_gswip_common.o
+obj-$(CONFIG_NET_DSA_MXL_GSW1XX) += mxl-gsw1xx.o
diff --git a/drivers/net/dsa/lantiq/lantiq_gswip.h b/drivers/net/dsa/lantiq/lantiq_gswip.h
index 0c32ec85e127..9c38e51a75e8 100644
--- a/drivers/net/dsa/lantiq/lantiq_gswip.h
+++ b/drivers/net/dsa/lantiq/lantiq_gswip.h
@@ -255,6 +255,7 @@ struct gswip_hw_info {
unsigned int allowed_cpu_ports;
unsigned int mii_ports;
int mii_port_reg_offset;
+ bool supports_2500m;
const struct gswip_pce_microcode (*pce_microcode)[];
size_t pce_microcode_size;
enum dsa_tag_protocol tag_protocol;
diff --git a/drivers/net/dsa/lantiq/mxl-gsw1xx.c b/drivers/net/dsa/lantiq/mxl-gsw1xx.c
new file mode 100644
index 000000000000..d9744b19652e
--- /dev/null
+++ b/drivers/net/dsa/lantiq/mxl-gsw1xx.c
@@ -0,0 +1,736 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* DSA Driver for MaxLinear GSW1xx switch devices
+ *
+ * Copyright (C) 2025 Daniel Golle <daniel@...rotopia.org>
+ * Copyright (C) 2023 - 2024 MaxLinear Inc.
+ * Copyright (C) 2022 Snap One, LLC. All rights reserved.
+ * Copyright (C) 2017 - 2019 Hauke Mehrtens <hauke@...ke-m.de>
+ * Copyright (C) 2012 John Crispin <john@...ozen.org>
+ * Copyright (C) 2010 Lantiq Deutschland
+ */
+
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_mdio.h>
+#include <linux/regmap.h>
+#include <net/dsa.h>
+
+#include "lantiq_gswip.h"
+#include "mxl-gsw1xx.h"
+#include "mxl-gsw1xx_pce.h"
+
+struct gsw1xx_priv {
+ struct mdio_device *mdio_dev;
+ int smdio_badr;
+ struct regmap *sgmii;
+ struct regmap *gpio;
+ struct regmap *clk;
+ struct regmap *shell;
+ struct phylink_pcs pcs;
+ phy_interface_t tbi_interface;
+ struct gswip_priv gswip;
+};
+
+static int gsw1xx_config_smdio_badr(struct gsw1xx_priv *priv,
+ unsigned int reg)
+{
+ struct mii_bus *bus = priv->mdio_dev->bus;
+ int sw_addr = priv->mdio_dev->addr;
+ int smdio_badr = priv->smdio_badr;
+ int res;
+
+ if (smdio_badr == GSW1XX_SMDIO_BADR_UNKNOWN ||
+ reg - smdio_badr >= GSW1XX_SMDIO_BADR ||
+ smdio_badr > reg) {
+ /* Configure the Switch Base Address */
+ smdio_badr = reg & ~GENMASK(3, 0);
+ res = __mdiobus_write(bus, sw_addr, GSW1XX_SMDIO_BADR, smdio_badr);
+ if (res < 0) {
+ dev_err(&priv->mdio_dev->dev,
+ "%s: Error %d, configuring switch base\n",
+ __func__, res);
+ return res;
+ }
+ priv->smdio_badr = smdio_badr;
+ }
+
+ return smdio_badr;
+}
+
+static int gsw1xx_regmap_read(void *context, unsigned int reg,
+ unsigned int *val)
+{
+ struct gsw1xx_priv *priv = context;
+ struct mii_bus *bus = priv->mdio_dev->bus;
+ int sw_addr = priv->mdio_dev->addr;
+ int smdio_badr;
+ int res;
+
+ smdio_badr = gsw1xx_config_smdio_badr(priv, reg);
+ if (smdio_badr < 0)
+ return smdio_badr;
+
+ res = __mdiobus_read(bus, sw_addr, reg - smdio_badr);
+ if (res < 0) {
+ dev_err(&priv->mdio_dev->dev, "%s: Error %d reading 0x%x\n",
+ __func__, res, reg);
+ return res;
+ }
+
+ *val = res;
+
+ return 0;
+}
+
+static int gsw1xx_regmap_write(void *context, unsigned int reg,
+ unsigned int val)
+{
+ struct gsw1xx_priv *priv = context;
+ struct mii_bus *bus = priv->mdio_dev->bus;
+ int sw_addr = priv->mdio_dev->addr;
+ int smdio_badr;
+ int res;
+
+ smdio_badr = gsw1xx_config_smdio_badr(priv, reg);
+ if (smdio_badr < 0)
+ return smdio_badr;
+
+ res = __mdiobus_write(bus, sw_addr, reg - smdio_badr, val);
+ if (res < 0)
+ dev_err(&priv->mdio_dev->dev,
+ "%s: Error %d, writing 0x%x:0x%x\n", __func__, res, reg,
+ val);
+
+ return res;
+}
+
+static const struct regmap_bus gsw1xx_regmap_bus = {
+ .reg_write = gsw1xx_regmap_write,
+ .reg_read = gsw1xx_regmap_read,
+};
+
+static void gsw1xx_mdio_regmap_lock(void *mdio_lock)
+{
+ mutex_lock_nested(mdio_lock, MDIO_MUTEX_NESTED);
+}
+
+static void gsw1xx_mdio_regmap_unlock(void *mdio_lock)
+{
+ mutex_unlock(mdio_lock);
+}
+
+static unsigned int gsw1xx_pcs_inband_caps(struct phylink_pcs *pcs,
+ phy_interface_t interface)
+{
+ return LINK_INBAND_DISABLE | LINK_INBAND_ENABLE;
+}
+
+static struct gsw1xx_priv *pcs_to_gsw1xx(struct phylink_pcs *pcs)
+{
+ return container_of(pcs, struct gsw1xx_priv, pcs);
+}
+
+static int gsw1xx_pcs_enable(struct phylink_pcs *pcs)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+
+ /* Deassert SGMII shell reset */
+ return regmap_clear_bits(priv->shell, GSW1XX_SHELL_RST_REQ,
+ GSW1XX_RST_REQ_SGMII_SHELL);
+}
+
+static void gsw1xx_pcs_disable(struct phylink_pcs *pcs)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+
+ /* Assert SGMII shell reset */
+ regmap_set_bits(priv->shell, GSW1XX_SHELL_RST_REQ,
+ GSW1XX_RST_REQ_SGMII_SHELL);
+
+ priv->tbi_interface = PHY_INTERFACE_MODE_NA;
+}
+
+static void gsw1xx_pcs_get_state(struct phylink_pcs *pcs,
+ unsigned int neg_mode,
+ struct phylink_link_state *state)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+ int ret;
+ u32 val;
+
+ ret = regmap_read(priv->sgmii, GSW1XX_SGMII_TBI_TBISTAT, &val);
+ if (ret < 0)
+ return;
+
+ state->link = !!(val & GSW1XX_SGMII_TBI_TBISTAT_LINK);
+ state->an_complete = !!(val & GSW1XX_SGMII_TBI_TBISTAT_AN_COMPLETE);
+
+ ret = regmap_read(priv->sgmii, GSW1XX_SGMII_TBI_LPSTAT, &val);
+ if (ret < 0)
+ return;
+
+ state->duplex = (val & GSW1XX_SGMII_TBI_LPSTAT_DUPLEX) ?
+ DUPLEX_FULL : DUPLEX_HALF;
+ if (val & GSW1XX_SGMII_TBI_LPSTAT_PAUSE_RX)
+ state->pause |= MLO_PAUSE_RX;
+
+ if (val & GSW1XX_SGMII_TBI_LPSTAT_PAUSE_TX)
+ state->pause |= MLO_PAUSE_TX;
+
+ switch (FIELD_GET(GSW1XX_SGMII_TBI_LPSTAT_SPEED, val)) {
+ case GSW1XX_SGMII_TBI_LPSTAT_SPEED_10:
+ state->speed = SPEED_10;
+ break;
+ case GSW1XX_SGMII_TBI_LPSTAT_SPEED_100:
+ state->speed = SPEED_100;
+ break;
+ case GSW1XX_SGMII_TBI_LPSTAT_SPEED_1000:
+ state->speed = SPEED_1000;
+ break;
+ case GSW1XX_SGMII_TBI_LPSTAT_SPEED_NOSGMII:
+ if (state->interface == PHY_INTERFACE_MODE_1000BASEX)
+ state->speed = SPEED_1000;
+ else if (state->interface == PHY_INTERFACE_MODE_2500BASEX)
+ state->speed = SPEED_2500;
+ else
+ state->speed = SPEED_UNKNOWN;
+ break;
+ }
+}
+
+static int gsw1xx_pcs_phy_xaui_write(struct gsw1xx_priv *priv, u16 addr,
+ u16 data)
+{
+ int ret, val;
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_D, data);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_A, addr);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_C,
+ GSW1XX_SGMII_PHY_WRITE |
+ GSW1XX_SGMII_PHY_RESET_N);
+ if (ret < 0)
+ return ret;
+
+ return regmap_read_poll_timeout(priv->sgmii, GSW1XX_SGMII_PHY_C,
+ val, val & GSW1XX_SGMII_PHY_STATUS,
+ 1000, 100000);
+}
+
+static int gsw1xx_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
+ phy_interface_t interface,
+ const unsigned long *advertising,
+ bool permit_pause_to_mac)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+ bool sgmii_mac_mode = dsa_is_user_port(priv->gswip.ds,
+ GSW1XX_SGMII_PORT);
+ struct dsa_port *dp = dsa_to_port(priv->gswip.ds,
+ GSW1XX_SGMII_PORT);
+ u16 txaneg, anegctl, val, nco_ctrl;
+ bool reconf = false;
+ int ret;
+
+ /* do not unnecessarily disrupt link and skip resetting the hardware in
+ * case the PCS has previously been successfully configured for this
+ * interface mode
+ */
+ if (priv->tbi_interface == interface)
+ reconf = true;
+
+ /* mark PCS configuration as incomplete */
+ priv->tbi_interface = PHY_INTERFACE_MODE_NA;
+
+ if (reconf)
+ goto skip_init_reset;
+
+ /* Assert and deassert SGMII shell reset */
+ ret = regmap_set_bits(priv->shell, GSW1XX_SHELL_RST_REQ,
+ GSW1XX_RST_REQ_SGMII_SHELL);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_clear_bits(priv->shell, GSW1XX_SHELL_RST_REQ,
+ GSW1XX_RST_REQ_SGMII_SHELL);
+ if (ret < 0)
+ return ret;
+
+ /* Hardware Bringup FSM Enable */
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_HWBU_CTRL,
+ GSW1XX_SGMII_PHY_HWBU_CTRL_EN_HWBU_FSM |
+ GSW1XX_SGMII_PHY_HWBU_CTRL_HW_FSM_EN);
+ if (ret < 0)
+ return ret;
+
+ /* Configure SGMII PHY Receiver */
+ val = FIELD_PREP(GSW1XX_SGMII_PHY_RX0_CFG2_EQ,
+ GSW1XX_SGMII_PHY_RX0_CFG2_EQ_DEF) |
+ GSW1XX_SGMII_PHY_RX0_CFG2_LOS_EN |
+ GSW1XX_SGMII_PHY_RX0_CFG2_TERM_EN |
+ FIELD_PREP(GSW1XX_SGMII_PHY_RX0_CFG2_FILT_CNT,
+ GSW1XX_SGMII_PHY_RX0_CFG2_FILT_CNT_DEF);
+
+ if (of_property_read_bool(dp->dn, "maxlinear,rx-inverted"))
+ val |= GSW1XX_SGMII_PHY_RX0_CFG2_INVERT;
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_RX0_CFG2, val);
+ if (ret < 0)
+ return ret;
+
+ val = FIELD_PREP(GSW1XX_SGMII_PHY_TX0_CFG3_VBOOST_LEVEL,
+ GSW1XX_SGMII_PHY_TX0_CFG3_VBOOST_LEVEL_DEF);
+
+ if (of_property_read_bool(dp->dn, "maxlinear,tx-inverted"))
+ val |= GSW1XX_SGMII_PHY_TX0_CFG3_INVERT;
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_PHY_TX0_CFG3, val);
+ if (ret < 0)
+ return ret;
+
+ /* Reset and Release TBI */
+ val = GSW1XX_SGMII_TBI_TBICTL_INITTBI | GSW1XX_SGMII_TBI_TBICTL_ENTBI |
+ GSW1XX_SGMII_TBI_TBICTL_CRSTRR | GSW1XX_SGMII_TBI_TBICTL_CRSOFF;
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_TBICTL, val);
+ if (ret < 0)
+ return ret;
+ val &= ~GSW1XX_SGMII_TBI_TBICTL_INITTBI;
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_TBICTL, val);
+ if (ret < 0)
+ return ret;
+
+ /* Release Tx Data Buffers */
+ ret = regmap_set_bits(priv->sgmii, GSW1XX_SGMII_PCS_TXB_CTL,
+ GSW1XX_SGMII_PCS_TXB_CTL_INIT_TX_TXB);
+ if (ret < 0)
+ return ret;
+ ret = regmap_clear_bits(priv->sgmii, GSW1XX_SGMII_PCS_TXB_CTL,
+ GSW1XX_SGMII_PCS_TXB_CTL_INIT_TX_TXB);
+ if (ret < 0)
+ return ret;
+
+ /* Release Rx Data Buffers */
+ ret = regmap_set_bits(priv->sgmii, GSW1XX_SGMII_PCS_RXB_CTL,
+ GSW1XX_SGMII_PCS_RXB_CTL_INIT_RX_RXB);
+ if (ret < 0)
+ return ret;
+ ret = regmap_clear_bits(priv->sgmii, GSW1XX_SGMII_PCS_RXB_CTL,
+ GSW1XX_SGMII_PCS_RXB_CTL_INIT_RX_RXB);
+ if (ret < 0)
+ return ret;
+
+skip_init_reset:
+ /* override bootstrap pin settings
+ * OVRANEG sets ANEG Mode, Enable ANEG and restart ANEG to be
+ * taken from bits ANMODE, ANEGEN, RANEG of the ANEGCTL register.
+ * OVERABL sets ability bits in tx_config_reg to be taken from
+ * the TXANEGH and TXANEGL registers.
+ */
+ anegctl = GSW1XX_SGMII_TBI_ANEGCTL_OVRANEG |
+ GSW1XX_SGMII_TBI_ANEGCTL_OVRABL;
+
+ switch (phylink_get_link_timer_ns(interface)) {
+ case 10000:
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_LT,
+ GSW1XX_SGMII_TBI_ANEGCTL_LT_10US);
+ break;
+ case 1600000:
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_LT,
+ GSW1XX_SGMII_TBI_ANEGCTL_LT_1_6MS);
+ break;
+ case 5000000:
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_LT,
+ GSW1XX_SGMII_TBI_ANEGCTL_LT_5MS);
+ break;
+ case 10000000:
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_LT,
+ GSW1XX_SGMII_TBI_ANEGCTL_LT_10MS);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (neg_mode & PHYLINK_PCS_NEG_INBAND)
+ anegctl |= GSW1XX_SGMII_TBI_ANEGCTL_ANEGEN;
+
+ if (interface == PHY_INTERFACE_MODE_SGMII) {
+ if (sgmii_mac_mode) {
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_ANMODE,
+ GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_SGMII_MAC);
+ txaneg = ADVERTISE_SGMII | ADVERTISE_LPACK;
+ } else {
+ /* lacking a defined reverse-SGMII interface mode this
+ * driver decides whether SGMII (MAC side) or SGMII (PHY side)
+ * is being used based on the port being a user port.
+ */
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_ANMODE,
+ GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_SGMII_PHY);
+ txaneg = LPA_SGMII | LPA_SGMII_1000FULL;
+ }
+ } else if (interface == PHY_INTERFACE_MODE_1000BASEX ||
+ interface == PHY_INTERFACE_MODE_2500BASEX) {
+ anegctl |= FIELD_PREP(GSW1XX_SGMII_TBI_ANEGCTL_ANMODE,
+ GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_1000BASEX);
+ txaneg = phylink_mii_c22_pcs_encode_advertisement(interface,
+ advertising);
+ } else {
+ dev_err(priv->gswip.dev, "%s: wrong interface mode %s\n",
+ __func__, phy_modes(interface));
+ return -EINVAL;
+ }
+
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_TXANEGH,
+ FIELD_GET(GENMASK(15, 8), txaneg));
+ if (ret < 0)
+ return ret;
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_TXANEGL,
+ FIELD_GET(GENMASK(7, 0), txaneg));
+ if (ret < 0)
+ return ret;
+ ret = regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_ANEGCTL, anegctl);
+ if (ret < 0)
+ return ret;
+
+ if (!reconf) {
+ /* setup SerDes clock speed */
+ if (interface == PHY_INTERFACE_MODE_2500BASEX)
+ nco_ctrl = GSW1XX_SGMII_2G5 | GSW1XX_SGMII_2G5_NCO2;
+ else
+ nco_ctrl = GSW1XX_SGMII_1G | GSW1XX_SGMII_1G_NCO1;
+
+ ret = regmap_update_bits(priv->clk, GSW1XX_CLK_NCO_CTRL,
+ GSW1XX_SGMII_HSP_MASK |
+ GSW1XX_SGMII_SEL,
+ nco_ctrl);
+ if (ret)
+ return ret;
+
+ ret = gsw1xx_pcs_phy_xaui_write(priv, 0x30, 0x80);
+ if (ret)
+ return ret;
+ }
+
+ /* PCS configuration has now been completed, set mode to prevent
+ * disrupting the link in case of future calls of this function for the
+ * same interface mode.
+ */
+ priv->tbi_interface = interface;
+
+ return 0;
+}
+
+static void gsw1xx_pcs_an_restart(struct phylink_pcs *pcs)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+
+ regmap_set_bits(priv->sgmii, GSW1XX_SGMII_TBI_ANEGCTL,
+ GSW1XX_SGMII_TBI_ANEGCTL_RANEG);
+}
+
+static void gsw1xx_pcs_link_up(struct phylink_pcs *pcs,
+ unsigned int neg_mode,
+ phy_interface_t interface, int speed,
+ int duplex)
+{
+ struct gsw1xx_priv *priv = pcs_to_gsw1xx(pcs);
+ u16 lpstat;
+
+ /* When in-band AN is enabled hardware will set lpstat */
+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
+ return;
+
+ /* Force speed and duplex settings */
+ if (interface == PHY_INTERFACE_MODE_SGMII) {
+ if (speed == SPEED_10)
+ lpstat = FIELD_PREP(GSW1XX_SGMII_TBI_LPSTAT_SPEED,
+ GSW1XX_SGMII_TBI_LPSTAT_SPEED_10);
+ else if (speed == SPEED_100)
+ lpstat = FIELD_PREP(GSW1XX_SGMII_TBI_LPSTAT_SPEED,
+ GSW1XX_SGMII_TBI_LPSTAT_SPEED_100);
+ else
+ lpstat = FIELD_PREP(GSW1XX_SGMII_TBI_LPSTAT_SPEED,
+ GSW1XX_SGMII_TBI_LPSTAT_SPEED_1000);
+ } else {
+ lpstat = FIELD_PREP(GSW1XX_SGMII_TBI_LPSTAT_SPEED,
+ GSW1XX_SGMII_TBI_LPSTAT_SPEED_NOSGMII);
+ }
+
+ if (duplex == DUPLEX_FULL)
+ lpstat |= GSW1XX_SGMII_TBI_LPSTAT_DUPLEX;
+
+ regmap_write(priv->sgmii, GSW1XX_SGMII_TBI_LPSTAT, lpstat);
+}
+
+static const struct phylink_pcs_ops gsw1xx_pcs_ops = {
+ .pcs_inband_caps = gsw1xx_pcs_inband_caps,
+ .pcs_enable = gsw1xx_pcs_enable,
+ .pcs_disable = gsw1xx_pcs_disable,
+ .pcs_get_state = gsw1xx_pcs_get_state,
+ .pcs_config = gsw1xx_pcs_config,
+ .pcs_an_restart = gsw1xx_pcs_an_restart,
+ .pcs_link_up = gsw1xx_pcs_link_up,
+};
+
+static void gsw1xx_phylink_get_caps(struct dsa_switch *ds, int port,
+ struct phylink_config *config)
+{
+ struct gswip_priv *priv = ds->priv;
+
+ config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000;
+
+ switch (port) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ __set_bit(PHY_INTERFACE_MODE_INTERNAL,
+ config->supported_interfaces);
+ break;
+ case 4: /* port 4: SGMII */
+ __set_bit(PHY_INTERFACE_MODE_SGMII,
+ config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_1000BASEX,
+ config->supported_interfaces);
+ if (priv->hw_info->supports_2500m) {
+ __set_bit(PHY_INTERFACE_MODE_2500BASEX,
+ config->supported_interfaces);
+ config->mac_capabilities |= MAC_2500FD;
+ }
+ return; /* no support for EEE on SGMII port */
+ case 5: /* port 5: RGMII or RMII */
+ __set_bit(PHY_INTERFACE_MODE_RMII,
+ config->supported_interfaces);
+ phy_interface_set_rgmii(config->supported_interfaces);
+ break;
+ }
+
+ config->lpi_capabilities = MAC_100FD | MAC_1000FD;
+ config->lpi_timer_default = 20;
+ memcpy(config->lpi_interfaces, config->supported_interfaces,
+ sizeof(config->lpi_interfaces));
+}
+
+static struct phylink_pcs *gsw1xx_phylink_mac_select_pcs(struct phylink_config *config,
+ phy_interface_t interface)
+{
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct gswip_priv *gswip_priv = dp->ds->priv;
+ struct gsw1xx_priv *gsw1xx_priv = container_of(gswip_priv,
+ struct gsw1xx_priv,
+ gswip);
+
+ switch (dp->index) {
+ case GSW1XX_SGMII_PORT:
+ return &gsw1xx_priv->pcs;
+ default:
+ return NULL;
+ }
+}
+
+static struct regmap *gsw1xx_regmap_init(struct gsw1xx_priv *priv,
+ const char *name,
+ unsigned int reg_base,
+ unsigned int max_register)
+{
+ const struct regmap_config config = {
+ .name = name,
+ .reg_bits = 16,
+ .val_bits = 16,
+ .reg_base = reg_base,
+ .max_register = max_register,
+ .lock = gsw1xx_mdio_regmap_lock,
+ .unlock = gsw1xx_mdio_regmap_unlock,
+ .lock_arg = &priv->mdio_dev->bus->mdio_lock,
+ };
+
+ return devm_regmap_init(&priv->mdio_dev->dev, &gsw1xx_regmap_bus,
+ priv, &config);
+}
+
+static int gsw1xx_probe(struct mdio_device *mdiodev)
+{
+ struct device *dev = &mdiodev->dev;
+ struct gsw1xx_priv *priv;
+ u32 version;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->mdio_dev = mdiodev;
+ priv->smdio_badr = GSW1XX_SMDIO_BADR_UNKNOWN;
+
+ priv->gswip.dev = dev;
+ priv->gswip.hw_info = of_device_get_match_data(dev);
+ if (!priv->gswip.hw_info)
+ return -EINVAL;
+
+ priv->gswip.gswip = gsw1xx_regmap_init(priv, "switch",
+ GSW1XX_SWITCH_BASE, 0xfff);
+ if (IS_ERR(priv->gswip.gswip))
+ return PTR_ERR(priv->gswip.gswip);
+
+ priv->gswip.mdio = gsw1xx_regmap_init(priv, "mdio", GSW1XX_MMDIO_BASE,
+ 0xff);
+ if (IS_ERR(priv->gswip.mdio))
+ return PTR_ERR(priv->gswip.mdio);
+
+ priv->gswip.mii = gsw1xx_regmap_init(priv, "mii", GSW1XX_RGMII_BASE,
+ 0xff);
+ if (IS_ERR(priv->gswip.mii))
+ return PTR_ERR(priv->gswip.mii);
+
+ priv->sgmii = gsw1xx_regmap_init(priv, "sgmii", GSW1XX_SGMII_BASE,
+ 0xfff);
+ if (IS_ERR(priv->sgmii))
+ return PTR_ERR(priv->sgmii);
+
+ priv->gpio = gsw1xx_regmap_init(priv, "gpio", GSW1XX_GPIO_BASE, 0xff);
+ if (IS_ERR(priv->gpio))
+ return PTR_ERR(priv->gpio);
+
+ priv->clk = gsw1xx_regmap_init(priv, "clk", GSW1XX_CLK_BASE, 0xff);
+ if (IS_ERR(priv->clk))
+ return PTR_ERR(priv->clk);
+
+ priv->shell = gsw1xx_regmap_init(priv, "shell", GSW1XX_SHELL_BASE,
+ 0xff);
+ if (IS_ERR(priv->shell))
+ return PTR_ERR(priv->shell);
+
+ priv->pcs.ops = &gsw1xx_pcs_ops;
+ priv->pcs.poll = true;
+ __set_bit(PHY_INTERFACE_MODE_SGMII,
+ priv->pcs.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_1000BASEX,
+ priv->pcs.supported_interfaces);
+ if (priv->gswip.hw_info->supports_2500m)
+ __set_bit(PHY_INTERFACE_MODE_2500BASEX,
+ priv->pcs.supported_interfaces);
+ priv->tbi_interface = PHY_INTERFACE_MODE_NA;
+
+ /* assert SGMII reset to power down SGMII unit */
+ ret = regmap_set_bits(priv->shell, GSW1XX_SHELL_RST_REQ,
+ GSW1XX_RST_REQ_SGMII_SHELL);
+ if (ret < 0)
+ return ret;
+
+ /* configure GPIO pin-mux for MMDIO in case of external PHY connected to
+ * SGMII or RGMII as slave interface
+ */
+ regmap_set_bits(priv->gpio, GPIO_ALTSEL0, 3);
+ regmap_set_bits(priv->gpio, GPIO_ALTSEL1, 3);
+
+ ret = regmap_read(priv->gswip.gswip, GSWIP_VERSION, &version);
+ if (ret)
+ return ret;
+
+ ret = gswip_probe_common(&priv->gswip, version);
+ if (ret)
+ return ret;
+
+ dev_set_drvdata(dev, &priv->gswip);
+
+ return 0;
+}
+
+static void gsw1xx_remove(struct mdio_device *mdiodev)
+{
+ struct gswip_priv *priv = dev_get_drvdata(&mdiodev->dev);
+
+ if (!priv)
+ return;
+
+ gswip_disable_switch(priv);
+
+ dsa_unregister_switch(priv->ds);
+}
+
+static void gsw1xx_shutdown(struct mdio_device *mdiodev)
+{
+ struct gswip_priv *priv = dev_get_drvdata(&mdiodev->dev);
+
+ if (!priv)
+ return;
+
+ dev_set_drvdata(&mdiodev->dev, NULL);
+
+ gswip_disable_switch(priv);
+}
+
+static const struct gswip_hw_info gsw12x_data = {
+ .max_ports = GSW1XX_PORTS,
+ .allowed_cpu_ports = BIT(GSW1XX_MII_PORT) | BIT(GSW1XX_SGMII_PORT),
+ .mii_ports = BIT(GSW1XX_MII_PORT),
+ .mii_port_reg_offset = -GSW1XX_MII_PORT,
+ .mac_select_pcs = gsw1xx_phylink_mac_select_pcs,
+ .phylink_get_caps = &gsw1xx_phylink_get_caps,
+ .supports_2500m = true,
+ .pce_microcode = &gsw1xx_pce_microcode,
+ .pce_microcode_size = ARRAY_SIZE(gsw1xx_pce_microcode),
+ .tag_protocol = DSA_TAG_PROTO_MXL_GSW1XX,
+};
+
+static const struct gswip_hw_info gsw140_data = {
+ .max_ports = GSW1XX_PORTS,
+ .allowed_cpu_ports = BIT(GSW1XX_MII_PORT) | BIT(GSW1XX_SGMII_PORT),
+ .mii_ports = BIT(GSW1XX_MII_PORT),
+ .mii_port_reg_offset = -GSW1XX_MII_PORT,
+ .mac_select_pcs = gsw1xx_phylink_mac_select_pcs,
+ .phylink_get_caps = &gsw1xx_phylink_get_caps,
+ .supports_2500m = true,
+ .pce_microcode = &gsw1xx_pce_microcode,
+ .pce_microcode_size = ARRAY_SIZE(gsw1xx_pce_microcode),
+ .tag_protocol = DSA_TAG_PROTO_MXL_GSW1XX,
+};
+
+static const struct gswip_hw_info gsw141_data = {
+ .max_ports = GSW1XX_PORTS,
+ .allowed_cpu_ports = BIT(GSW1XX_MII_PORT) | BIT(GSW1XX_SGMII_PORT),
+ .mii_ports = BIT(GSW1XX_MII_PORT),
+ .mii_port_reg_offset = -GSW1XX_MII_PORT,
+ .mac_select_pcs = gsw1xx_phylink_mac_select_pcs,
+ .phylink_get_caps = gsw1xx_phylink_get_caps,
+ .pce_microcode = &gsw1xx_pce_microcode,
+ .pce_microcode_size = ARRAY_SIZE(gsw1xx_pce_microcode),
+ .tag_protocol = DSA_TAG_PROTO_MXL_GSW1XX,
+};
+
+/*
+ * GSW125 is the industrial temperature version of GSW120.
+ * GSW145 is the industrial temperature version of GSW140.
+ */
+static const struct of_device_id gsw1xx_of_match[] = {
+ { .compatible = "maxlinear,gsw120", .data = &gsw12x_data },
+ { .compatible = "maxlinear,gsw125", .data = &gsw12x_data },
+ { .compatible = "maxlinear,gsw140", .data = &gsw140_data },
+ { .compatible = "maxlinear,gsw141", .data = &gsw141_data },
+ { .compatible = "maxlinear,gsw145", .data = &gsw140_data },
+ { /* sentinel */ },
+};
+
+MODULE_DEVICE_TABLE(of, gsw1xx_of_match);
+
+static struct mdio_driver gsw1xx_driver = {
+ .probe = gsw1xx_probe,
+ .remove = gsw1xx_remove,
+ .shutdown = gsw1xx_shutdown,
+ .mdiodrv.driver = {
+ .name = "mxl-gsw1xx",
+ .of_match_table = gsw1xx_of_match,
+ },
+};
+
+mdio_module_driver(gsw1xx_driver);
+
+MODULE_AUTHOR("Daniel Golle <daniel@...rotopia.org>");
+MODULE_DESCRIPTION("Driver for MaxLinear GSW1xx ethernet switch");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/dsa/lantiq/mxl-gsw1xx.h b/drivers/net/dsa/lantiq/mxl-gsw1xx.h
new file mode 100644
index 000000000000..38e03c048a26
--- /dev/null
+++ b/drivers/net/dsa/lantiq/mxl-gsw1xx.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Register definitions for MaxLinear GSW1xx series switches
+ *
+ * Copyright (C) 2025 Daniel Golle <daniel@...rotopia.org>
+ * Copyright (C) 2023 - 2024 MaxLinear Inc.
+ */
+#ifndef __MXL_GSW1XX_H
+#define __MXL_GSW1XX_H
+
+#include <linux/bitfield.h>
+
+#define GSW1XX_PORTS 6
+/* Port used for RGMII or optional RMII */
+#define GSW1XX_MII_PORT 5
+/* Port used for SGMII */
+#define GSW1XX_SGMII_PORT 4
+
+#define GSW1XX_SYS_CLK_FREQ 340000000
+
+/* SMDIO switch register base address */
+#define GSW1XX_SMDIO_BADR 0x1f
+#define GSW1XX_SMDIO_BADR_UNKNOWN -1
+
+/* GSW1XX SGMII PCS */
+#define GSW1XX_SGMII_BASE 0xd000
+#define GSW1XX_SGMII_PHY_HWBU_CTRL 0x009
+#define GSW1XX_SGMII_PHY_HWBU_CTRL_EN_HWBU_FSM BIT(0)
+#define GSW1XX_SGMII_PHY_HWBU_CTRL_HW_FSM_EN BIT(3)
+#define GSW1XX_SGMII_TBI_TXANEGH 0x300
+#define GSW1XX_SGMII_TBI_TXANEGL 0x301
+#define GSW1XX_SGMII_TBI_ANEGCTL 0x304
+#define GSW1XX_SGMII_TBI_ANEGCTL_LT GENMASK(1, 0)
+#define GSW1XX_SGMII_TBI_ANEGCTL_LT_10US 0
+#define GSW1XX_SGMII_TBI_ANEGCTL_LT_1_6MS 1
+#define GSW1XX_SGMII_TBI_ANEGCTL_LT_5MS 2
+#define GSW1XX_SGMII_TBI_ANEGCTL_LT_10MS 3
+#define GSW1XX_SGMII_TBI_ANEGCTL_ANEGEN BIT(2)
+#define GSW1XX_SGMII_TBI_ANEGCTL_RANEG BIT(3)
+#define GSW1XX_SGMII_TBI_ANEGCTL_OVRABL BIT(4)
+#define GSW1XX_SGMII_TBI_ANEGCTL_OVRANEG BIT(5)
+#define GSW1XX_SGMII_TBI_ANEGCTL_ANMODE GENMASK(7, 6)
+#define GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_1000BASEX 1
+#define GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_SGMII_PHY 2
+#define GSW1XX_SGMII_TBI_ANEGCTL_ANMODE_SGMII_MAC 3
+#define GSW1XX_SGMII_TBI_ANEGCTL_BCOMP BIT(15)
+
+#define GSW1XX_SGMII_TBI_TBICTL 0x305
+#define GSW1XX_SGMII_TBI_TBICTL_INITTBI BIT(0)
+#define GSW1XX_SGMII_TBI_TBICTL_ENTBI BIT(1)
+#define GSW1XX_SGMII_TBI_TBICTL_CRSTRR BIT(4)
+#define GSW1XX_SGMII_TBI_TBICTL_CRSOFF BIT(5)
+#define GSW1XX_SGMII_TBI_TBISTAT 0x309
+#define GSW1XX_SGMII_TBI_TBISTAT_LINK BIT(0)
+#define GSW1XX_SGMII_TBI_TBISTAT_AN_COMPLETE BIT(1)
+#define GSW1XX_SGMII_TBI_LPSTAT 0x30a
+#define GSW1XX_SGMII_TBI_LPSTAT_DUPLEX BIT(0)
+#define GSW1XX_SGMII_TBI_LPSTAT_PAUSE_RX BIT(1)
+#define GSW1XX_SGMII_TBI_LPSTAT_PAUSE_TX BIT(2)
+#define GSW1XX_SGMII_TBI_LPSTAT_SPEED GENMASK(6, 5)
+#define GSW1XX_SGMII_TBI_LPSTAT_SPEED_10 0
+#define GSW1XX_SGMII_TBI_LPSTAT_SPEED_100 1
+#define GSW1XX_SGMII_TBI_LPSTAT_SPEED_1000 2
+#define GSW1XX_SGMII_TBI_LPSTAT_SPEED_NOSGMII 3
+#define GSW1XX_SGMII_PHY_D 0x100
+#define GSW1XX_SGMII_PHY_A 0x101
+#define GSW1XX_SGMII_PHY_C 0x102
+#define GSW1XX_SGMII_PHY_STATUS BIT(0)
+#define GSW1XX_SGMII_PHY_READ BIT(4)
+#define GSW1XX_SGMII_PHY_WRITE BIT(8)
+#define GSW1XX_SGMII_PHY_RESET_N BIT(12)
+#define GSW1XX_SGMII_PCS_RXB_CTL 0x401
+#define GSW1XX_SGMII_PCS_RXB_CTL_INIT_RX_RXB BIT(1)
+#define GSW1XX_SGMII_PCS_TXB_CTL 0x404
+#define GSW1XX_SGMII_PCS_TXB_CTL_INIT_TX_TXB BIT(1)
+
+#define GSW1XX_SGMII_PHY_RX0_CFG2 0x004
+#define GSW1XX_SGMII_PHY_RX0_CFG2_EQ GENMASK(2, 0)
+#define GSW1XX_SGMII_PHY_RX0_CFG2_EQ_DEF 2
+#define GSW1XX_SGMII_PHY_RX0_CFG2_INVERT BIT(3)
+#define GSW1XX_SGMII_PHY_RX0_CFG2_LOS_EN BIT(4)
+#define GSW1XX_SGMII_PHY_RX0_CFG2_TERM_EN BIT(5)
+#define GSW1XX_SGMII_PHY_RX0_CFG2_FILT_CNT GENMASK(12, 6)
+#define GSW1XX_SGMII_PHY_RX0_CFG2_FILT_CNT_DEF 20
+
+#define GSW1XX_SGMII_PHY_TX0_CFG3 0x007
+#define GSW1XX_SGMII_PHY_TX0_CFG3_VBOOST_EN BIT(12)
+#define GSW1XX_SGMII_PHY_TX0_CFG3_VBOOST_LEVEL GENMASK(11, 9)
+#define GSW1XX_SGMII_PHY_TX0_CFG3_VBOOST_LEVEL_DEF 4
+#define GSW1XX_SGMII_PHY_TX0_CFG3_INVERT BIT(8)
+
+/* GSW1XX PDI Registers */
+#define GSW1XX_SWITCH_BASE 0xe000
+
+/* GSW1XX MII Registers */
+#define GSW1XX_RGMII_BASE 0xf100
+
+/* GSW1XX GPIO Registers */
+#define GSW1XX_GPIO_BASE 0xf300
+#define GPIO_ALTSEL0 0x83
+#define GPIO_ALTSEL0_EXTPHY_MUX_VAL 0x03c3
+#define GPIO_ALTSEL1 0x84
+#define GPIO_ALTSEL1_EXTPHY_MUX_VAL 0x003f
+
+/* MDIO bus controller */
+#define GSW1XX_MMDIO_BASE 0xf400
+
+/* generic IC registers */
+#define GSW1XX_SHELL_BASE 0xfa00
+#define GSW1XX_SHELL_RST_REQ 0x01
+#define GSW1XX_RST_REQ_SGMII_SHELL BIT(5)
+/* RGMII PAD Slew Control Register */
+#define GSW1XX_SHELL_RGMII_SLEW_CFG 0x78
+#define RGMII_SLEW_CFG_RX_2_5_V BIT(4)
+#define RGMII_SLEW_CFG_TX_2_5_V BIT(5)
+
+/* SGMII clock related settings */
+#define GSW1XX_CLK_BASE 0xf900
+#define GSW1XX_CLK_NCO_CTRL 0x68
+#define GSW1XX_SGMII_HSP_MASK GENMASK(3, 2)
+#define GSW1XX_SGMII_SEL BIT(1)
+#define GSW1XX_SGMII_1G 0x0
+#define GSW1XX_SGMII_2G5 0xc
+#define GSW1XX_SGMII_1G_NCO1 0x0
+#define GSW1XX_SGMII_2G5_NCO2 0x2
+
+#endif /* __MXL_GSW1XX_H */
diff --git a/drivers/net/dsa/lantiq/mxl-gsw1xx_pce.h b/drivers/net/dsa/lantiq/mxl-gsw1xx_pce.h
new file mode 100644
index 000000000000..eefcd411a340
--- /dev/null
+++ b/drivers/net/dsa/lantiq/mxl-gsw1xx_pce.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * PCE microcode code update for driver for MaxLinear GSW1xx switch chips
+ *
+ * Copyright (C) 2023 - 2024 MaxLinear Inc.
+ * Copyright (C) 2022 Snap One, LLC. All rights reserved.
+ * Copyright (C) 2017 - 2019 Hauke Mehrtens <hauke@...ke-m.de>
+ * Copyright (C) 2012 John Crispin <john@...ozen.org>
+ * Copyright (C) 2010 Lantiq Deutschland
+ */
+
+#include "lantiq_gswip.h"
+
+#define INSTR 0
+#define IPV6 1
+#define LENACCU 2
+
+/* GSWIP_2.X */
+enum {
+ OUT_MAC0 = 0,
+ OUT_MAC1,
+ OUT_MAC2,
+ OUT_MAC3,
+ OUT_MAC4,
+ OUT_MAC5,
+ OUT_ETHTYP,
+ OUT_VTAG0,
+ OUT_VTAG1,
+ OUT_ITAG0,
+ OUT_ITAG1, /* 10 */
+ OUT_ITAG2,
+ OUT_ITAG3,
+ OUT_IP0,
+ OUT_IP1,
+ OUT_IP2,
+ OUT_IP3,
+ OUT_SIP0,
+ OUT_SIP1,
+ OUT_SIP2,
+ OUT_SIP3, /* 20 */
+ OUT_SIP4,
+ OUT_SIP5,
+ OUT_SIP6,
+ OUT_SIP7,
+ OUT_DIP0,
+ OUT_DIP1,
+ OUT_DIP2,
+ OUT_DIP3,
+ OUT_DIP4,
+ OUT_DIP5, /* 30 */
+ OUT_DIP6,
+ OUT_DIP7,
+ OUT_SESID,
+ OUT_PROT,
+ OUT_APP0,
+ OUT_APP1,
+ OUT_IGMP0,
+ OUT_IGMP1,
+ OUT_STAG0 = 61,
+ OUT_STAG1 = 62,
+ OUT_NONE = 63,
+};
+
+/* parser's microcode flag type */
+enum {
+ FLAG_ITAG = 0,
+ FLAG_VLAN,
+ FLAG_SNAP,
+ FLAG_PPPOE,
+ FLAG_IPV6,
+ FLAG_IPV6FL,
+ FLAG_IPV4,
+ FLAG_IGMP,
+ FLAG_TU,
+ FLAG_HOP,
+ FLAG_NN1, /* 10 */
+ FLAG_NN2,
+ FLAG_END,
+ FLAG_NO, /* 13 */
+ FLAG_SVLAN, /* 14 */
+};
+
+#define PCE_MC_M(val, msk, ns, out, len, type, flags, ipv4_len) \
+ { (val), (msk), ((ns) << 10 | (out) << 4 | (len) >> 1),\
+ ((len) & 1) << 15 | (type) << 13 | (flags) << 9 | (ipv4_len) << 8 }
+
+/* V22_2X (IPv6 issue fixed) */
+static const struct gswip_pce_microcode gsw1xx_pce_microcode[] = {
+ /* value mask ns fields L type flags ipv4_len */
+ PCE_MC_M(0x88c3, 0xFFFF, 1, OUT_ITAG0, 4, INSTR, FLAG_ITAG, 0),
+ PCE_MC_M(0x8100, 0xFFFF, 4, OUT_STAG0, 2, INSTR, FLAG_SVLAN, 0),
+ PCE_MC_M(0x88A8, 0xFFFF, 4, OUT_STAG0, 2, INSTR, FLAG_SVLAN, 0),
+ PCE_MC_M(0x9100, 0xFFFF, 4, OUT_STAG0, 2, INSTR, FLAG_SVLAN, 0),
+ PCE_MC_M(0x8100, 0xFFFF, 5, OUT_VTAG0, 2, INSTR, FLAG_VLAN, 0),
+ PCE_MC_M(0x88A8, 0xFFFF, 6, OUT_VTAG0, 2, INSTR, FLAG_VLAN, 0),
+ PCE_MC_M(0x9100, 0xFFFF, 4, OUT_VTAG0, 2, INSTR, FLAG_VLAN, 0),
+ PCE_MC_M(0x8864, 0xFFFF, 20, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0800, 0xFFFF, 24, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x86DD, 0xFFFF, 25, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x8863, 0xFFFF, 19, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0xF800, 13, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0600, 0x0600, 44, OUT_ETHTYP, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 15, OUT_NONE, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0xAAAA, 0xFFFF, 17, OUT_NONE, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0300, 0xFF00, 45, OUT_NONE, 0, INSTR, FLAG_SNAP, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_DIP7, 3, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 21, OUT_DIP7, 3, INSTR, FLAG_PPPOE, 0),
+ PCE_MC_M(0x0021, 0xFFFF, 24, OUT_NONE, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0057, 0xFFFF, 25, OUT_NONE, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x4000, 0xF000, 27, OUT_IP0, 4, INSTR, FLAG_IPV4, 1),
+ PCE_MC_M(0x6000, 0xF000, 30, OUT_IP0, 3, INSTR, FLAG_IPV6, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 28, OUT_IP3, 2, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 29, OUT_SIP0, 4, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_NONE, 0, LENACCU, FLAG_NO, 0),
+ PCE_MC_M(0x1100, 0xFF00, 43, OUT_PROT, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0600, 0xFF00, 43, OUT_PROT, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0xFF00, 36, OUT_IP3, 17, INSTR, FLAG_HOP, 0),
+ PCE_MC_M(0x2B00, 0xFF00, 36, OUT_IP3, 17, INSTR, FLAG_NN1, 0),
+ PCE_MC_M(0x3C00, 0xFF00, 36, OUT_IP3, 17, INSTR, FLAG_NN2, 0),
+ PCE_MC_M(0x0000, 0x0000, 43, OUT_PROT, 1, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x00F0, 38, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_NONE, 0, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0xFF00, 36, OUT_NONE, 0, IPV6, FLAG_HOP, 0),
+ PCE_MC_M(0x2B00, 0xFF00, 36, OUT_NONE, 0, IPV6, FLAG_NN1, 0),
+ PCE_MC_M(0x3C00, 0xFF00, 36, OUT_NONE, 0, IPV6, FLAG_NN2, 0),
+ PCE_MC_M(0x0000, 0x00FC, 44, OUT_PROT, 0, IPV6, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_NONE, 0, IPV6, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 44, OUT_SIP0, 16, INSTR, FLAG_NO, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_APP0, 4, INSTR, FLAG_IGMP, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+ PCE_MC_M(0x0000, 0x0000, 45, OUT_NONE, 0, INSTR, FLAG_END, 0),
+};
--
2.51.1
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