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Date: Tue, 30 Aug 2022 15:04:43 +0800
From: Jiawen Wu <jiawenwu@...stnetic.com>
To: netdev@...r.kernel.org
Cc: mengyuanlou@...-swift.com, Jiawen Wu <jiawenwu@...stnetic.com>
Subject: [PATCH net-next v2 05/16] net: txgbe: Identify PHY and SFP module
Add to get media type and physical layer module, support I2C access.
Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
---
.../device_drivers/ethernet/wangxun/txgbe.rst | 38 ++
drivers/net/ethernet/wangxun/txgbe/Makefile | 2 +-
.../net/ethernet/wangxun/txgbe/txgbe_dummy.h | 36 ++
drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c | 164 ++++++++
drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h | 6 +
.../net/ethernet/wangxun/txgbe/txgbe_main.c | 41 +-
.../net/ethernet/wangxun/txgbe/txgbe_phy.c | 365 ++++++++++++++++++
.../net/ethernet/wangxun/txgbe/txgbe_phy.h | 52 +++
.../net/ethernet/wangxun/txgbe/txgbe_type.h | 172 +++++++++
9 files changed, 871 insertions(+), 5 deletions(-)
create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
diff --git a/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst b/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
index eaa87dbe8848..037d8538e848 100644
--- a/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
+++ b/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
@@ -11,9 +11,47 @@ Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd.
Contents
========
+- Identifying Your Adapter
- Support
+Identifying Your Adapter
+========================
+The driver is compatible with WangXun Sapphire Dual ports Ethernet Adapters.
+
+SFP+ Devices with Pluggable Optics
+----------------------------------
+The following is a list of 3rd party SFP+ modules that have been tested and verified.
+
++----------+----------------------+----------------------+
+| Supplier | Type | Part Numbers |
++==========+======================+======================+
+| Avago | SFP+ | AFBR-709SMZ |
++----------+----------------------+----------------------+
+| F-tone | SFP+ | FTCS-851X-02D |
++----------+----------------------+----------------------+
+| Finisar | SFP+ | FTLX8574D3BCL |
++----------+----------------------+----------------------+
+| Hasense | SFP+ | AFBR-709SMZ |
++----------+----------------------+----------------------+
+| HGTECH | SFP+ | MTRS-01X11-G |
++----------+----------------------+----------------------+
+| HP | SFP+ | SR SFP+ 456096-001 |
++----------+----------------------+----------------------+
+| Huawei | SFP+ | AFBR-709SMZ |
++----------+----------------------+----------------------+
+| Intel | SFP+ | FTLX8571D3BCV-IT |
++----------+----------------------+----------------------+
+| JDSU | SFP+ | PLRXPL-SC-S43 |
++----------+----------------------+----------------------+
+| SONT | SFP+ | XP-8G10-01 |
++----------+----------------------+----------------------+
+| Trixon | SFP+ | TPS-TGM3-85DCR |
++----------+----------------------+----------------------+
+| WTD | SFP+ | RTXM228-551 |
++----------+----------------------+----------------------+
+
+
Support
=======
If you got any problem, contact Wangxun support team via support@...stnetic.com
diff --git a/drivers/net/ethernet/wangxun/txgbe/Makefile b/drivers/net/ethernet/wangxun/txgbe/Makefile
index 78484c58b78b..875704a29c4c 100644
--- a/drivers/net/ethernet/wangxun/txgbe/Makefile
+++ b/drivers/net/ethernet/wangxun/txgbe/Makefile
@@ -7,4 +7,4 @@
obj-$(CONFIG_TXGBE) += txgbe.o
txgbe-objs := txgbe_main.o \
- txgbe_hw.o
+ txgbe_hw.o txgbe_phy.o
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_dummy.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_dummy.h
index 51d4f9be1071..de96f5fbf014 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_dummy.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_dummy.h
@@ -18,6 +18,34 @@
#define TUP3 TUP(p3)
#define TUP4 TUP(p4)
+/* struct txgbe_phy_operations */
+static int txgbe_read_i2c_byte_dummy(struct txgbe_hw *TUP0, u8 TUP1,
+ u8 TUP2, u8 *TUP3)
+{
+ return -EPERM;
+}
+
+static int txgbe_read_i2c_eeprom_dummy(struct txgbe_hw *TUP0,
+ u8 TUP1, u8 *TUP2)
+{
+ return -EPERM;
+}
+
+static int txgbe_identify_module_dummy(struct txgbe_hw *TUP0)
+{
+ return -EPERM;
+}
+
+static int txgbe_identify_phy_dummy(struct txgbe_hw *TUP0)
+{
+ return -EPERM;
+}
+
+static int txgbe_init_phy_ops_dummy(struct txgbe_hw *TUP0)
+{
+ return -EPERM;
+}
+
/* struct txgbe_mac_operations */
static int txgbe_init_hw_dummy(struct txgbe_hw *TUP0)
{
@@ -133,6 +161,14 @@ static void txgbe_init_ops_dummy(struct txgbe_hw *hw)
{
struct txgbe_eeprom_info *eeprom = &hw->eeprom;
struct txgbe_mac_info *mac = &hw->mac;
+ struct txgbe_phy_info *phy = &hw->phy;
+
+ /* PHY */
+ phy->ops.read_i2c_byte = txgbe_read_i2c_byte_dummy;
+ phy->ops.read_i2c_eeprom = txgbe_read_i2c_eeprom_dummy;
+ phy->ops.identify_sfp = txgbe_identify_module_dummy;
+ phy->ops.identify = txgbe_identify_phy_dummy;
+ phy->ops.init = txgbe_init_phy_ops_dummy;
/* MAC */
mac->ops.init_hw = txgbe_init_hw_dummy;
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c
index 1b386570fb34..89736857d2fd 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c
@@ -2,6 +2,7 @@
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
#include "txgbe_type.h"
+#include "txgbe_phy.h"
#include "txgbe_hw.h"
#include "txgbe.h"
@@ -12,6 +13,22 @@
static int txgbe_get_eeprom_semaphore(struct txgbe_hw *hw);
static void txgbe_release_eeprom_semaphore(struct txgbe_hw *hw);
+u32 txgbe_rd32_epcs(struct txgbe_hw *hw, u32 addr)
+{
+ unsigned int offset;
+ u32 data;
+ /* Set the LAN port indicator to offset[1] */
+ /* 1st, write the offset to IDA_ADDR register */
+ offset = TXGBE_XPCS_IDA_ADDR;
+ wr32(hw, offset, addr);
+
+ /* 2nd, read the data from IDA_DATA register */
+ offset = TXGBE_XPCS_IDA_DATA;
+ data = rd32(hw, offset);
+
+ return data;
+}
+
int txgbe_init_hw(struct txgbe_hw *hw)
{
int status;
@@ -1115,6 +1132,23 @@ int txgbe_check_flash_load(struct txgbe_hw *hw, u32 check_bit)
return err;
}
+/**
+ * txgbe_init_phy_ops - PHY/SFP specific init
+ * @hw: pointer to hardware structure
+ *
+ * Perform the SFP init if necessary.
+ **/
+int txgbe_init_phy_ops(struct txgbe_hw *hw)
+{
+ int ret_val = 0;
+
+ txgbe_init_i2c(hw);
+ /* Identify the PHY or SFP module */
+ ret_val = hw->phy.ops.identify(hw);
+
+ return ret_val;
+}
+
/**
* txgbe_init_ops - Inits func ptrs
* @hw: pointer to hardware structure
@@ -1126,6 +1160,14 @@ void txgbe_init_ops(struct txgbe_hw *hw)
{
struct txgbe_eeprom_info *eeprom = &hw->eeprom;
struct txgbe_mac_info *mac = &hw->mac;
+ struct txgbe_phy_info *phy = &hw->phy;
+
+ /* PHY */
+ phy->ops.read_i2c_byte = txgbe_read_i2c_byte;
+ phy->ops.read_i2c_eeprom = txgbe_read_i2c_eeprom;
+ phy->ops.identify_sfp = txgbe_identify_module;
+ phy->ops.identify = txgbe_identify_phy;
+ phy->ops.init = txgbe_init_phy_ops;
/* MAC */
mac->ops.init_hw = txgbe_init_hw;
@@ -1164,10 +1206,51 @@ void txgbe_init_ops(struct txgbe_hw *hw)
mac->ops.init_thermal_sensor_thresh = txgbe_init_thermal_sensor_thresh;
}
+/**
+ * txgbe_get_media_type - Get media type
+ * @hw: pointer to hardware structure
+ *
+ * Returns the media type (fiber, copper, backplane)
+ **/
+enum txgbe_media_type txgbe_get_media_type(struct txgbe_hw *hw)
+{
+ u8 device_type = hw->subsystem_device_id & 0xF0;
+ enum txgbe_media_type media_type;
+
+ switch (device_type) {
+ case TXGBE_ID_MAC_XAUI:
+ case TXGBE_ID_MAC_SGMII:
+ case TXGBE_ID_KR_KX_KX4:
+ /* Default device ID is mezzanine card KX/KX4 */
+ media_type = txgbe_media_type_backplane;
+ break;
+ case TXGBE_ID_SFP:
+ media_type = txgbe_media_type_fiber;
+ break;
+ case TXGBE_ID_XAUI:
+ case TXGBE_ID_SGMII:
+ media_type = txgbe_media_type_copper;
+ break;
+ case TXGBE_ID_SFI_XAUI:
+ if (hw->bus.lan_id == 0)
+ media_type = txgbe_media_type_fiber;
+ else
+ media_type = txgbe_media_type_copper;
+ break;
+ default:
+ media_type = txgbe_media_type_unknown;
+ break;
+ }
+
+ return media_type;
+}
+
void txgbe_reset_misc(struct txgbe_hw *hw)
{
int i;
+ txgbe_init_i2c(hw);
+
/* receive packets that size > 2048 */
wr32m(hw, TXGBE_MAC_RX_CFG,
TXGBE_MAC_RX_CFG_JE, TXGBE_MAC_RX_CFG_JE);
@@ -1219,11 +1302,30 @@ int txgbe_reset_hw(struct txgbe_hw *hw)
u32 reset = 0;
int status;
+ u32 sr_pcs_ctl, sr_pma_mmd_ctl1, sr_an_mmd_ctl, sr_an_mmd_adv_reg2;
+ u32 vr_xs_or_pcs_mmd_digi_ctl1, curr_vr_xs_or_pcs_mmd_digi_ctl1;
+ u32 curr_sr_an_mmd_ctl, curr_sr_an_mmd_adv_reg2;
+ u32 curr_sr_pcs_ctl, curr_sr_pma_mmd_ctl1;
+
/* Call adapter stop to disable tx/rx and clear interrupts */
status = hw->mac.ops.stop_adapter(hw);
if (status != 0)
return status;
+ /* Identify PHY and related function pointers */
+ status = hw->phy.ops.init(hw);
+ if (status != 0 && hw->phy.type == txgbe_phy_sfp_unsupported)
+ return status;
+
+ /* Remember internal phy regs from before we reset */
+ curr_sr_pcs_ctl = txgbe_rd32_epcs(hw, TXGBE_SR_PCS_CTL2);
+ curr_sr_pma_mmd_ctl1 = txgbe_rd32_epcs(hw, TXGBE_SR_PMA_MMD_CTL1);
+ curr_sr_an_mmd_ctl = txgbe_rd32_epcs(hw, TXGBE_SR_AN_MMD_CTL);
+ curr_sr_an_mmd_adv_reg2 = txgbe_rd32_epcs(hw,
+ TXGBE_SR_AN_MMD_ADV_REG2);
+ curr_vr_xs_or_pcs_mmd_digi_ctl1 =
+ txgbe_rd32_epcs(hw, TXGBE_VR_XS_OR_PCS_MMD_DIGI_CTL1);
+
if (txgbe_mng_present(hw)) {
if (!(((hw->subsystem_device_id & TXGBE_NCSI_MASK) == TXGBE_NCSI_SUP) ||
((hw->subsystem_device_id & TXGBE_WOL_MASK) == TXGBE_WOL_SUP))) {
@@ -1251,6 +1353,38 @@ int txgbe_reset_hw(struct txgbe_hw *hw)
txgbe_reset_misc(hw);
+ /* Store the original values if they have not been stored
+ * off yet. Otherwise restore the stored original values
+ * since the reset operation sets back to defaults.
+ */
+ sr_pcs_ctl = txgbe_rd32_epcs(hw, TXGBE_SR_PCS_CTL2);
+ sr_pma_mmd_ctl1 = txgbe_rd32_epcs(hw, TXGBE_SR_PMA_MMD_CTL1);
+ sr_an_mmd_ctl = txgbe_rd32_epcs(hw, TXGBE_SR_AN_MMD_CTL);
+ sr_an_mmd_adv_reg2 = txgbe_rd32_epcs(hw, TXGBE_SR_AN_MMD_ADV_REG2);
+ vr_xs_or_pcs_mmd_digi_ctl1 =
+ txgbe_rd32_epcs(hw, TXGBE_VR_XS_OR_PCS_MMD_DIGI_CTL1);
+
+ if (!hw->mac.orig_link_settings_stored) {
+ hw->mac.orig_sr_pcs_ctl2 = sr_pcs_ctl;
+ hw->mac.orig_sr_pma_mmd_ctl1 = sr_pma_mmd_ctl1;
+ hw->mac.orig_sr_an_mmd_ctl = sr_an_mmd_ctl;
+ hw->mac.orig_sr_an_mmd_adv_reg2 = sr_an_mmd_adv_reg2;
+ hw->mac.orig_vr_xs_or_pcs_mmd_digi_ctl1 =
+ vr_xs_or_pcs_mmd_digi_ctl1;
+ hw->mac.orig_link_settings_stored = true;
+ } else {
+ hw->mac.orig_sr_pcs_ctl2 = curr_sr_pcs_ctl;
+ hw->mac.orig_sr_pma_mmd_ctl1 = curr_sr_pma_mmd_ctl1;
+ hw->mac.orig_sr_an_mmd_ctl = curr_sr_an_mmd_ctl;
+ hw->mac.orig_sr_an_mmd_adv_reg2 =
+ curr_sr_an_mmd_adv_reg2;
+ hw->mac.orig_vr_xs_or_pcs_mmd_digi_ctl1 =
+ curr_vr_xs_or_pcs_mmd_digi_ctl1;
+ }
+
+ /*make sure phy power is up*/
+ msleep(100);
+
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
@@ -1298,6 +1432,9 @@ void txgbe_start_hw(struct txgbe_hw *hw)
{
u32 i;
+ /* Set the media type */
+ hw->phy.media_type = txgbe_get_media_type(hw);
+
/* Clear the rate limiters */
for (i = 0; i < hw->mac.max_tx_queues; i++) {
wr32(hw, TXGBE_TDM_RP_IDX, i);
@@ -1312,6 +1449,33 @@ void txgbe_start_hw(struct txgbe_hw *hw)
hw->mac.autotry_restart = true;
}
+/**
+ * txgbe_identify_phy - Get physical layer module
+ * @hw: pointer to hardware structure
+ *
+ * Determines the physical layer module found on the current adapter.
+ * If PHY already detected, maintains current PHY type in hw struct,
+ * otherwise executes the PHY detection routine.
+ **/
+int txgbe_identify_phy(struct txgbe_hw *hw)
+{
+ int status;
+
+ if (!hw->phy.phy_semaphore_mask)
+ hw->phy.phy_semaphore_mask = TXGBE_MNG_SWFW_SYNC_SW_PHY;
+
+ /* Detect PHY if not unknown - returns success if already detected. */
+ hw->phy.media_type = txgbe_get_media_type(hw);
+ if (hw->phy.media_type == txgbe_media_type_fiber) {
+ status = txgbe_identify_module(hw);
+ } else {
+ hw->phy.type = txgbe_phy_none;
+ status = 0;
+ }
+
+ return status;
+}
+
/**
* txgbe_init_eeprom_params - Initialize EEPROM params
* @hw: pointer to hardware structure
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h
index 7a37de43af62..77fc3ac38351 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h
@@ -56,8 +56,11 @@ void txgbe_init_thermal_sensor_thresh(struct txgbe_hw *hw);
void txgbe_disable_rx(struct txgbe_hw *hw);
int txgbe_check_flash_load(struct txgbe_hw *hw, u32 check_bit);
+enum txgbe_media_type txgbe_get_media_type(struct txgbe_hw *hw);
void txgbe_reset_misc(struct txgbe_hw *hw);
int txgbe_reset_hw(struct txgbe_hw *hw);
+int txgbe_identify_phy(struct txgbe_hw *hw);
+int txgbe_init_phy_ops(struct txgbe_hw *hw);
void txgbe_init_ops(struct txgbe_hw *hw);
void txgbe_init_eeprom_params(struct txgbe_hw *hw);
@@ -68,6 +71,9 @@ int txgbe_read_ee_hostif_buffer(struct txgbe_hw *hw,
u16 offset, u16 words, u16 *data);
int txgbe_read_ee_hostif_data(struct txgbe_hw *hw, u16 offset, u16 *data);
int txgbe_read_ee_hostif(struct txgbe_hw *hw, u16 offset, u16 *data);
+u32 txgbe_rd32_epcs(struct txgbe_hw *hw, u32 addr);
+void txgbe_wr32_epcs(struct txgbe_hw *hw, u32 addr, u32 data);
+void txgbe_wr32_ephy(struct txgbe_hw *hw, u32 addr, u32 data);
int txgbe_fmgr_cmd_op(struct txgbe_hw *hw, u32 cmd, u32 cmd_addr);
int txgbe_flash_read_dword(struct txgbe_hw *hw, u32 addr, u32 *data);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index c50c67a95974..25764d76dea6 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -11,6 +11,7 @@
#include "txgbe.h"
#include "txgbe_hw.h"
+#include "txgbe_phy.h"
#include "txgbe_dummy.h"
char txgbe_driver_name[] = "txgbe";
@@ -32,6 +33,8 @@ static const struct pci_device_id txgbe_pci_tbl[] = {
#define DEFAULT_DEBUG_LEVEL_SHIFT 3
+static bool txgbe_is_sfp(struct txgbe_hw *hw);
+
static void txgbe_check_minimum_link(struct txgbe_adapter *adapter)
{
struct pci_dev *pdev;
@@ -169,6 +172,16 @@ int txgbe_del_mac_filter(struct txgbe_adapter *adapter, u8 *addr, u16 pool)
return -ENOMEM;
}
+static bool txgbe_is_sfp(struct txgbe_hw *hw)
+{
+ switch (hw->phy.media_type) {
+ case txgbe_media_type_fiber:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void txgbe_up_complete(struct txgbe_adapter *adapter)
{
txgbe_get_hw_control(adapter);
@@ -182,7 +195,9 @@ void txgbe_reset(struct txgbe_adapter *adapter)
int err;
err = hw->mac.ops.init_hw(hw);
- if (err != 0)
+ if (err != 0 &&
+ hw->phy.sfp_type != txgbe_sfp_type_not_present &&
+ hw->phy.type != txgbe_phy_sfp_unsupported)
dev_err(&adapter->pdev->dev, "Hardware Error: %d\n", err);
/* do not flush user set addresses */
@@ -544,9 +559,19 @@ static int txgbe_probe(struct pci_dev *pdev,
goto err_free_mac_table;
err = hw->mac.ops.reset_hw(hw);
- if (err) {
- dev_err(&pdev->dev, "HW Init failed: %d\n", err);
- goto err_free_mac_table;
+ if (err != 0) {
+ if (hw->phy.sfp_type == txgbe_sfp_type_not_present) {
+ err = 0;
+ } else if (hw->phy.type == txgbe_phy_sfp_unsupported) {
+ dev_err(&pdev->dev,
+ "An unsupported SFP+ module type was detected.\n");
+ dev_err(&pdev->dev,
+ "Reload the driver after installing a supported module.\n");
+ goto err_free_mac_table;
+ } else {
+ dev_err(&pdev->dev, "HW Init failed: %d\n", err);
+ goto err_free_mac_table;
+ }
}
netdev->features |= NETIF_F_HIGHDMA;
@@ -639,6 +664,14 @@ static int txgbe_probe(struct pci_dev *pdev,
err = txgbe_read_pba_string(hw, part_str, TXGBE_PBANUM_LENGTH);
if (err)
strncpy(part_str, "Unknown", TXGBE_PBANUM_LENGTH);
+ if (txgbe_is_sfp(hw) && hw->phy.sfp_type != txgbe_sfp_type_not_present)
+ netif_info(adapter, probe, netdev,
+ "PHY: %d, SFP+: %d, PBA No: %s\n",
+ hw->phy.type, hw->phy.sfp_type, part_str);
+ else
+ netif_info(adapter, probe, netdev,
+ "PHY: %d, PBA No: %s\n",
+ hw->phy.type, part_str);
netif_info(adapter, probe, netdev, "%02x:%02x:%02x:%02x:%02x:%02x\n",
netdev->dev_addr[0], netdev->dev_addr[1],
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
new file mode 100644
index 000000000000..426b1ee9050a
--- /dev/null
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -0,0 +1,365 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
+
+#include "txgbe_phy.h"
+
+/**
+ * txgbe_identify_module - Identifies module type
+ * @hw: pointer to hardware structure
+ *
+ * Determines HW type and calls appropriate function.
+ **/
+int txgbe_identify_module(struct txgbe_hw *hw)
+{
+ int status;
+
+ switch (hw->phy.media_type) {
+ case txgbe_media_type_fiber:
+ status = txgbe_identify_sfp_module(hw);
+ break;
+ default:
+ hw->phy.sfp_type = txgbe_sfp_type_not_present;
+ status = -ENODEV;
+ break;
+ }
+
+ return status;
+}
+
+/**
+ * txgbe_identify_sfp_module - Identifies SFP modules
+ * @hw: pointer to hardware structure
+ *
+ * Searches for and identifies the SFP module and assigns appropriate PHY type.
+ **/
+int txgbe_identify_sfp_module(struct txgbe_hw *hw)
+{
+ int status = -EFAULT;
+ u8 oui_bytes[3] = {0, 0, 0};
+ u8 comp_codes_10g = 0;
+ u8 comp_codes_1g = 0;
+ u32 vendor_oui = 0;
+ u8 identifier = 0;
+ u8 cable_tech = 0;
+ u8 cable_spec = 0;
+
+ /* LAN ID is needed for I2C access */
+ txgbe_init_i2c(hw);
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_IDENTIFIER,
+ &identifier);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ if (identifier != TXGBE_SFF_IDENTIFIER_SFP) {
+ hw->phy.type = txgbe_phy_sfp_unsupported;
+ status = -ENODEV;
+ } else {
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_1GBE_COMP_CODES,
+ &comp_codes_1g);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_10GBE_COMP_CODES,
+ &comp_codes_10g);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_CABLE_TECHNOLOGY,
+ &cable_tech);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ /* ID Module
+ * =========
+ * 0 SFP_DA_CU
+ * 1 SFP_SR
+ * 2 SFP_LR
+ * 3 SFP_DA_CORE0
+ * 4 SFP_DA_CORE1
+ * 5 SFP_SR/LR_CORE0
+ * 6 SFP_SR/LR_CORE1
+ * 7 SFP_act_lmt_DA_CORE0
+ * 8 SFP_act_lmt_DA_CORE1
+ * 9 SFP_1g_cu_CORE0
+ * 10 SFP_1g_cu_CORE1
+ * 11 SFP_1g_sx_CORE0
+ * 12 SFP_1g_sx_CORE1
+ */
+
+ if (cable_tech & TXGBE_SFF_DA_PASSIVE_CABLE) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_da_cu_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_da_cu_core1;
+ } else if (cable_tech & TXGBE_SFF_DA_ACTIVE_CABLE) {
+ hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_CABLE_SPEC_COMP,
+ &cable_spec);
+ if (cable_spec &
+ TXGBE_SFF_DA_SPEC_ACTIVE_LIMITING) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_da_act_lmt_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_da_act_lmt_core1;
+ } else {
+ hw->phy.sfp_type =
+ txgbe_sfp_type_unknown;
+ }
+ } else if (comp_codes_10g &
+ (TXGBE_SFF_10GBASESR_CAPABLE |
+ TXGBE_SFF_10GBASELR_CAPABLE)) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_srlr_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_srlr_core1;
+ } else if (comp_codes_1g & TXGBE_SFF_1GBASET_CAPABLE) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_cu_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_cu_core1;
+ } else if (comp_codes_1g & TXGBE_SFF_1GBASESX_CAPABLE) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_sx_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_sx_core1;
+ } else if (comp_codes_1g & TXGBE_SFF_1GBASELX_CAPABLE) {
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_lx_core0;
+ else
+ hw->phy.sfp_type =
+ txgbe_sfp_type_1g_lx_core1;
+ } else {
+ hw->phy.sfp_type = txgbe_sfp_type_unknown;
+ }
+
+ /* Determine if the SFP+ PHY is dual speed or not. */
+ hw->phy.multispeed_fiber = false;
+ if (((comp_codes_1g & TXGBE_SFF_1GBASESX_CAPABLE) &&
+ (comp_codes_10g & TXGBE_SFF_10GBASESR_CAPABLE)) ||
+ ((comp_codes_1g & TXGBE_SFF_1GBASELX_CAPABLE) &&
+ (comp_codes_10g & TXGBE_SFF_10GBASELR_CAPABLE)))
+ hw->phy.multispeed_fiber = true;
+
+ /* Determine PHY vendor */
+ if (hw->phy.type != txgbe_phy_nl) {
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_VENDOR_OUI_BYTE0,
+ &oui_bytes[0]);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_VENDOR_OUI_BYTE1,
+ &oui_bytes[1]);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ status = hw->phy.ops.read_i2c_eeprom(hw,
+ TXGBE_SFF_VENDOR_OUI_BYTE2,
+ &oui_bytes[2]);
+
+ if (status != 0)
+ goto err_read_i2c_eeprom;
+
+ vendor_oui =
+ ((oui_bytes[0] << TXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT) |
+ (oui_bytes[1] << TXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT) |
+ (oui_bytes[2] << TXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT));
+
+ switch (vendor_oui) {
+ case TXGBE_SFF_VENDOR_OUI_TYCO:
+ if (cable_tech & TXGBE_SFF_DA_PASSIVE_CABLE)
+ hw->phy.type =
+ txgbe_phy_sfp_passive_tyco;
+ break;
+ case TXGBE_SFF_VENDOR_OUI_FTL:
+ if (cable_tech & TXGBE_SFF_DA_ACTIVE_CABLE)
+ hw->phy.type = txgbe_phy_sfp_ftl_active;
+ else
+ hw->phy.type = txgbe_phy_sfp_ftl;
+ break;
+ case TXGBE_SFF_VENDOR_OUI_AVAGO:
+ hw->phy.type = txgbe_phy_sfp_avago;
+ break;
+ case TXGBE_SFF_VENDOR_OUI_INTEL:
+ hw->phy.type = txgbe_phy_sfp_intel;
+ break;
+ default:
+ if (cable_tech & TXGBE_SFF_DA_PASSIVE_CABLE)
+ hw->phy.type =
+ txgbe_phy_sfp_passive_unknown;
+ else if (cable_tech & TXGBE_SFF_DA_ACTIVE_CABLE)
+ hw->phy.type =
+ txgbe_phy_sfp_active_unknown;
+ else
+ hw->phy.type = txgbe_phy_sfp_unknown;
+ break;
+ }
+ }
+
+ /* Allow any DA cable vendor */
+ if (cable_tech & (TXGBE_SFF_DA_PASSIVE_CABLE |
+ TXGBE_SFF_DA_ACTIVE_CABLE)) {
+ status = 0;
+ goto out;
+ }
+
+ /* Verify supported 1G SFP modules */
+ if (comp_codes_10g == 0 &&
+ !(hw->phy.sfp_type == txgbe_sfp_type_1g_cu_core1 ||
+ hw->phy.sfp_type == txgbe_sfp_type_1g_cu_core0 ||
+ hw->phy.sfp_type == txgbe_sfp_type_1g_lx_core0 ||
+ hw->phy.sfp_type == txgbe_sfp_type_1g_lx_core1 ||
+ hw->phy.sfp_type == txgbe_sfp_type_1g_sx_core0 ||
+ hw->phy.sfp_type == txgbe_sfp_type_1g_sx_core1)) {
+ hw->phy.type = txgbe_phy_sfp_unsupported;
+ status = -ENODEV;
+ goto out;
+ }
+ }
+
+out:
+ return status;
+
+err_read_i2c_eeprom:
+ hw->phy.sfp_type = txgbe_sfp_type_not_present;
+ if (hw->phy.type != txgbe_phy_nl)
+ hw->phy.type = txgbe_phy_unknown;
+
+ return -ENODEV;
+}
+
+void txgbe_init_i2c(struct txgbe_hw *hw)
+{
+ wr32(hw, TXGBE_I2C_ENABLE, 0);
+
+ wr32(hw, TXGBE_I2C_CON,
+ (TXGBE_I2C_CON_MASTER_MODE |
+ TXGBE_I2C_CON_SPEED(1) |
+ TXGBE_I2C_CON_RESTART_EN |
+ TXGBE_I2C_CON_SLAVE_DISABLE));
+ /* Default addr is 0xA0 ,bit 0 is configure for read/write! */
+ wr32(hw, TXGBE_I2C_TAR, TXGBE_I2C_SLAVE_ADDR);
+ wr32(hw, TXGBE_I2C_SS_SCL_HCNT, 600);
+ wr32(hw, TXGBE_I2C_SS_SCL_LCNT, 600);
+ wr32(hw, TXGBE_I2C_RX_TL, 0); /* 1byte for rx full signal */
+ wr32(hw, TXGBE_I2C_TX_TL, 4);
+ wr32(hw, TXGBE_I2C_SCL_STUCK_TIMEOUT, 0xFFFFFF);
+ wr32(hw, TXGBE_I2C_SDA_STUCK_TIMEOUT, 0xFFFFFF);
+
+ wr32(hw, TXGBE_I2C_INTR_MASK, 0);
+ wr32(hw, TXGBE_I2C_ENABLE, 1);
+}
+
+/**
+ * txgbe_read_i2c_eeprom - Reads 8 bit EEPROM word over I2C interface
+ * @hw: pointer to hardware structure
+ * @byte_offset: EEPROM byte offset to read
+ * @eeprom_data: value read
+ *
+ * Performs byte read operation to SFP module's EEPROM over I2C interface.
+ **/
+int txgbe_read_i2c_eeprom(struct txgbe_hw *hw, u8 byte_offset,
+ u8 *eeprom_data)
+{
+ return hw->phy.ops.read_i2c_byte(hw, byte_offset,
+ TXGBE_I2C_EEPROM_DEV_ADDR,
+ eeprom_data);
+}
+
+/**
+ * txgbe_read_i2c_byte_int - Reads 8 bit word over I2C
+ * @hw: pointer to hardware structure
+ * @byte_offset: byte offset to read
+ * @dev_addr: device address
+ * @data: value read
+ *
+ * Performs byte read operation to SFP module's EEPROM over I2C interface at
+ * a specified device address.
+ **/
+static int txgbe_read_i2c_byte_int(struct txgbe_hw *hw, u8 byte_offset,
+ u8 __maybe_unused dev_addr, u8 *data)
+{
+ u32 swfw_mask = hw->phy.phy_semaphore_mask;
+ int status = 0;
+ u32 val;
+
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != 0)
+ return status;
+
+ /* wait tx empty */
+ status = read_poll_timeout(rd32, val,
+ (val & TXGBE_I2C_INTR_STAT_TEMP) == TXGBE_I2C_INTR_STAT_TEMP,
+ 100, 1000, false, hw, TXGBE_I2C_RAW_INTR_STAT);
+ if (status != 0)
+ goto out;
+
+ /* read data */
+ wr32(hw, TXGBE_I2C_DATA_CMD,
+ byte_offset | TXGBE_I2C_DATA_CMD_STOP);
+ wr32(hw, TXGBE_I2C_DATA_CMD, TXGBE_I2C_DATA_CMD_READ);
+
+ /* wait for read complete */
+ status = read_poll_timeout(rd32, val,
+ (val & TXGBE_I2C_INTR_STAT_RFUL) == TXGBE_I2C_INTR_STAT_RFUL,
+ 100, 1000, false, hw, TXGBE_I2C_RAW_INTR_STAT);
+ if (status != 0)
+ goto out;
+
+ *data = 0xFF & rd32(hw, TXGBE_I2C_DATA_CMD);
+
+out:
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+ return status;
+}
+
+/**
+ * txgbe_switch_i2c_slave_addr - Switch I2C slave address
+ * @hw: pointer to hardware structure
+ * @dev_addr: slave addr to switch
+ **/
+void txgbe_switch_i2c_slave_addr(struct txgbe_hw *hw, u8 dev_addr)
+{
+ wr32(hw, TXGBE_I2C_ENABLE, 0);
+ wr32(hw, TXGBE_I2C_TAR, dev_addr >> 1);
+ wr32(hw, TXGBE_I2C_ENABLE, 1);
+}
+
+/**
+ * txgbe_read_i2c_byte - Reads 8 bit word over I2C
+ * @hw: pointer to hardware structure
+ * @byte_offset: byte offset to read
+ * @dev_addr: device address
+ * @data: value read
+ *
+ * Performs byte read operation to SFP module's EEPROM over I2C interface at
+ * a specified device address.
+ **/
+int txgbe_read_i2c_byte(struct txgbe_hw *hw, u8 byte_offset,
+ u8 dev_addr, u8 *data)
+{
+ txgbe_switch_i2c_slave_addr(hw, dev_addr);
+
+ return txgbe_read_i2c_byte_int(hw, byte_offset, dev_addr, data);
+}
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
new file mode 100644
index 000000000000..509e112c3885
--- /dev/null
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
+
+#ifndef _TXGBE_PHY_H_
+#define _TXGBE_PHY_H_
+
+#include "txgbe.h"
+
+#define TXGBE_I2C_EEPROM_DEV_ADDR 0xA0
+
+/* EEPROM byte offsets */
+#define TXGBE_SFF_IDENTIFIER 0x0
+#define TXGBE_SFF_IDENTIFIER_SFP 0x3
+#define TXGBE_SFF_VENDOR_OUI_BYTE0 0x25
+#define TXGBE_SFF_VENDOR_OUI_BYTE1 0x26
+#define TXGBE_SFF_VENDOR_OUI_BYTE2 0x27
+#define TXGBE_SFF_1GBE_COMP_CODES 0x6
+#define TXGBE_SFF_10GBE_COMP_CODES 0x3
+#define TXGBE_SFF_CABLE_TECHNOLOGY 0x8
+#define TXGBE_SFF_CABLE_SPEC_COMP 0x3C
+
+/* Bitmasks */
+#define TXGBE_SFF_DA_PASSIVE_CABLE 0x4
+#define TXGBE_SFF_DA_ACTIVE_CABLE 0x8
+#define TXGBE_SFF_DA_SPEC_ACTIVE_LIMITING 0x4
+#define TXGBE_SFF_1GBASESX_CAPABLE 0x1
+#define TXGBE_SFF_1GBASELX_CAPABLE 0x2
+#define TXGBE_SFF_1GBASET_CAPABLE 0x8
+#define TXGBE_SFF_10GBASESR_CAPABLE 0x10
+#define TXGBE_SFF_10GBASELR_CAPABLE 0x20
+/* Bit-shift macros */
+#define TXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT 24
+#define TXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT 16
+#define TXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT 8
+
+/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
+#define TXGBE_SFF_VENDOR_OUI_TYCO 0x00407600
+#define TXGBE_SFF_VENDOR_OUI_FTL 0x00906500
+#define TXGBE_SFF_VENDOR_OUI_AVAGO 0x00176A00
+#define TXGBE_SFF_VENDOR_OUI_INTEL 0x001B2100
+
+int txgbe_identify_module(struct txgbe_hw *hw);
+int txgbe_identify_sfp_module(struct txgbe_hw *hw);
+void txgbe_init_i2c(struct txgbe_hw *hw);
+void txgbe_switch_i2c_slave_addr(struct txgbe_hw *hw, u8 dev_addr);
+int txgbe_read_i2c_byte(struct txgbe_hw *hw, u8 byte_offset,
+ u8 dev_addr, u8 *data);
+
+int txgbe_read_i2c_eeprom(struct txgbe_hw *hw, u8 byte_offset,
+ u8 *eeprom_data);
+
+#endif /* _TXGBE_PHY_H_ */
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index 2fe848a33892..57cd8158e508 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -56,6 +56,25 @@
/* Revision ID */
#define TXGBE_SP_MPW 1
+/* ETH PHY Registers */
+#define TXGBE_SR_XS_PCS_MMD_STATUS1 0x30001
+#define TXGBE_SR_PCS_CTL2 0x30007
+#define TXGBE_SR_PMA_MMD_CTL1 0x10000
+#define TXGBE_SR_AN_MMD_CTL 0x70000
+#define TXGBE_SR_AN_MMD_ADV_REG1 0x70010
+#define TXGBE_SR_AN_MMD_ADV_REG1_PAUSE(_v) ((0x3 & (_v)) << 10)
+#define TXGBE_SR_AN_MMD_ADV_REG1_PAUSE_SYM 0x400
+#define TXGBE_SR_AN_MMD_ADV_REG1_PAUSE_ASM 0x800
+#define TXGBE_SR_AN_MMD_ADV_REG2 0x70011
+#define TXGBE_SR_AN_MMD_LP_ABL1 0x70013
+#define TXGBE_VR_AN_KR_MODE_CL 0x78003
+#define TXGBE_VR_XS_OR_PCS_MMD_DIGI_CTL1 0x38000
+#define TXGBE_VR_XS_OR_PCS_MMD_DIGI_STATUS 0x38010
+
+#define TXGBE_SR_PCS_CTL2_PCS_TYPE_SEL_R 0x0
+#define TXGBE_SR_PCS_CTL2_PCS_TYPE_SEL_X 0x1
+#define TXGBE_SR_PCS_CTL2_PCS_TYPE_SEL_MASK 0x3
+
/**************** Global Registers ****************************/
/* chip control Registers */
#define TXGBE_MIS_RST 0x1000C
@@ -163,6 +182,66 @@ struct txgbe_thermal_sensor_data {
#define TXGBE_SPI_ECC_ST 0x10138
#define TXGBE_SPI_ILDR_SWPTR 0x10124
+/************************* Port Registers ************************************/
+/* I2C registers */
+#define TXGBE_I2C_CON 0x14900 /* I2C Control */
+#define TXGBE_I2C_CON_SLAVE_DISABLE ((1 << 6))
+#define TXGBE_I2C_CON_RESTART_EN ((1 << 5))
+#define TXGBE_I2C_CON_10BITADDR_MASTER ((1 << 4))
+#define TXGBE_I2C_CON_10BITADDR_SLAVE ((1 << 3))
+#define TXGBE_I2C_CON_SPEED(_v) (((_v) & 0x3) << 1)
+#define TXGBE_I2C_CON_MASTER_MODE ((1 << 0))
+#define TXGBE_I2C_TAR 0x14904 /* I2C Target Address */
+#define TXGBE_I2C_DATA_CMD 0x14910 /* I2C Rx/Tx Data Buf and Cmd */
+#define TXGBE_I2C_DATA_CMD_STOP ((1 << 9))
+#define TXGBE_I2C_DATA_CMD_READ ((1 << 8) | TXGBE_I2C_DATA_CMD_STOP)
+#define TXGBE_I2C_DATA_CMD_WRITE ((0 << 8) | TXGBE_I2C_DATA_CMD_STOP)
+#define TXGBE_I2C_SS_SCL_HCNT 0x14914 /* Standard speed I2C Clock SCL High Count */
+#define TXGBE_I2C_SS_SCL_LCNT 0x14918 /* Standard speed I2C Clock SCL Low Count */
+#define TXGBE_I2C_FS_SCL_HCNT 0x1491C
+#define TXGBE_I2C_FS_SCL_LCNT 0x14920
+#define TXGBE_I2C_HS_SCL_HCNT 0x14924 /* High speed I2C Clock SCL High Count */
+#define TXGBE_I2C_HS_SCL_LCNT 0x14928 /* High speed I2C Clock SCL Low Count */
+#define TXGBE_I2C_INTR_STAT 0x1492C /* I2C Interrupt Status */
+#define TXGBE_I2C_RAW_INTR_STAT 0x14934 /* I2C Raw Interrupt Status */
+#define TXGBE_I2C_INTR_STAT_RFUL ((0x1) << 2)
+#define TXGBE_I2C_INTR_STAT_TEMP ((0x1) << 4)
+#define TXGBE_I2C_INTR_MASK 0x14930 /* I2C Interrupt Mask */
+#define TXGBE_I2C_RX_TL 0x14938 /* I2C Receive FIFO Threshold */
+#define TXGBE_I2C_TX_TL 0x1493C /* I2C TX FIFO Threshold */
+#define TXGBE_I2C_CLR_INTR 0x14940 /* Clear Combined and Individual Int */
+#define TXGBE_I2C_CLR_RX_UNDER 0x14944 /* Clear RX_UNDER Interrupt */
+#define TXGBE_I2C_CLR_RX_OVER 0x14948 /* Clear RX_OVER Interrupt */
+#define TXGBE_I2C_CLR_TX_OVER 0x1494C /* Clear TX_OVER Interrupt */
+#define TXGBE_I2C_CLR_RD_REQ 0x14950 /* Clear RD_REQ Interrupt */
+#define TXGBE_I2C_CLR_TX_ABRT 0x14954 /* Clear TX_ABRT Interrupt */
+#define TXGBE_I2C_CLR_RX_DONE 0x14958 /* Clear RX_DONE Interrupt */
+#define TXGBE_I2C_CLR_ACTIVITY 0x1495C /* Clear ACTIVITY Interrupt */
+#define TXGBE_I2C_CLR_STOP_DET 0x14960 /* Clear STOP_DET Interrupt */
+#define TXGBE_I2C_CLR_START_DET 0x14964 /* Clear START_DET Interrupt */
+#define TXGBE_I2C_CLR_GEN_CALL 0x14968 /* Clear GEN_CALL Interrupt */
+#define TXGBE_I2C_ENABLE 0x1496C /* I2C Enable */
+#define TXGBE_I2C_STATUS 0x14970 /* I2C Status register */
+#define TXGBE_I2C_STATUS_MST_ACTIVITY ((1U << 5))
+#define TXGBE_I2C_TXFLR 0x14974 /* Transmit FIFO Level Reg */
+#define TXGBE_I2C_RXFLR 0x14978 /* Receive FIFO Level Reg */
+#define TXGBE_I2C_SDA_HOLD 0x1497C /* SDA hold time length reg */
+#define TXGBE_I2C_TX_ABRT_SOURCE 0x14980 /* I2C TX Abort Status Reg */
+#define TXGBE_I2C_SDA_SETUP 0x14994 /* I2C SDA Setup Register */
+#define TXGBE_I2C_ENABLE_STATUS 0x1499C /* I2C Enable Status Register */
+#define TXGBE_I2C_FS_SPKLEN 0x149A0 /* ISS and FS spike suppression limit */
+#define TXGBE_I2C_HS_SPKLEN 0x149A4 /* HS spike suppression limit */
+#define TXGBE_I2C_SCL_STUCK_TIMEOUT 0x149AC /* I2C SCL stuck at low timeout register */
+#define TXGBE_I2C_SDA_STUCK_TIMEOUT 0x149B0 /*I2C SDA Stuck at Low Timeout*/
+#define TXGBE_I2C_CLR_SCL_STUCK_DET 0x149B4 /* Clear SCL Stuck at Low Detect Interrupt */
+#define TXGBE_I2C_DEVICE_ID 0x149b8 /* I2C Device ID */
+#define TXGBE_I2C_COMP_PARAM_1 0x149f4 /* Component Parameter Reg */
+#define TXGBE_I2C_COMP_VERSION 0x149f8 /* Component Version ID */
+#define TXGBE_I2C_COMP_TYPE 0x149fc /* DesignWare Component Type Reg */
+
+#define TXGBE_I2C_SLAVE_ADDR (0xA0 >> 1)
+#define TXGBE_I2C_THERMAL_SENSOR_ADDR 0xF8
+
/* port cfg Registers */
#define TXGBE_CFG_PORT_CTL 0x14400
#define TXGBE_CFG_PORT_ST 0x14404
@@ -290,6 +369,12 @@ struct txgbe_thermal_sensor_data {
#define TXGBE_PSR_LAN_FLEX_DW_H(_i) (0x15C04 + ((_i) * 16))
#define TXGBE_PSR_LAN_FLEX_MSK(_i) (0x15C08 + ((_i) * 16))
#define TXGBE_PSR_LAN_FLEX_CTL 0x15CFC
+/************************************** ETH PHY ******************************/
+#define TXGBE_XPCS_IDA_ADDR 0x13000
+#define TXGBE_XPCS_IDA_DATA 0x13004
+#define TXGBE_ETHPHY_IDA_ADDR 0x13008
+#define TXGBE_ETHPHY_IDA_DATA 0x1300C
+
/************************************** MNG ********************************/
#define TXGBE_MNG_FW_SM 0x1E000
#define TXGBE_MNG_SW_SM 0x1E004
@@ -544,6 +629,67 @@ enum txgbe_eeprom_type {
txgbe_eeprom_none /* No NVM support */
};
+enum txgbe_phy_type {
+ txgbe_phy_unknown = 0,
+ txgbe_phy_none,
+ txgbe_phy_tn,
+ txgbe_phy_aq,
+ txgbe_phy_cu_unknown,
+ txgbe_phy_qt,
+ txgbe_phy_xaui,
+ txgbe_phy_nl,
+ txgbe_phy_sfp_passive_tyco,
+ txgbe_phy_sfp_passive_unknown,
+ txgbe_phy_sfp_active_unknown,
+ txgbe_phy_sfp_avago,
+ txgbe_phy_sfp_ftl,
+ txgbe_phy_sfp_ftl_active,
+ txgbe_phy_sfp_unknown,
+ txgbe_phy_sfp_intel,
+ txgbe_phy_sfp_unsupported, /*Enforce bit set with unsupported module*/
+ txgbe_phy_generic
+};
+
+/* SFP+ module type IDs:
+ *
+ * ID Module Type
+ * =============
+ * 0 SFP_DA_CU
+ * 1 SFP_SR
+ * 2 SFP_LR
+ * 3 SFP_DA_CU_CORE0
+ * 4 SFP_DA_CU_CORE1
+ * 5 SFP_SR/LR_CORE0
+ * 6 SFP_SR/LR_CORE1
+ */
+enum txgbe_sfp_type {
+ txgbe_sfp_type_da_cu = 0,
+ txgbe_sfp_type_sr = 1,
+ txgbe_sfp_type_lr = 2,
+ txgbe_sfp_type_da_cu_core0 = 3,
+ txgbe_sfp_type_da_cu_core1 = 4,
+ txgbe_sfp_type_srlr_core0 = 5,
+ txgbe_sfp_type_srlr_core1 = 6,
+ txgbe_sfp_type_da_act_lmt_core0 = 7,
+ txgbe_sfp_type_da_act_lmt_core1 = 8,
+ txgbe_sfp_type_1g_cu_core0 = 9,
+ txgbe_sfp_type_1g_cu_core1 = 10,
+ txgbe_sfp_type_1g_sx_core0 = 11,
+ txgbe_sfp_type_1g_sx_core1 = 12,
+ txgbe_sfp_type_1g_lx_core0 = 13,
+ txgbe_sfp_type_1g_lx_core1 = 14,
+ txgbe_sfp_type_not_present = 0xFFFE,
+ txgbe_sfp_type_unknown = 0xFFFF
+};
+
+enum txgbe_media_type {
+ txgbe_media_type_unknown = 0,
+ txgbe_media_type_fiber,
+ txgbe_media_type_copper,
+ txgbe_media_type_backplane,
+ txgbe_media_type_virtual
+};
+
struct txgbe_addr_filter_info {
u32 num_mc_addrs;
u32 rar_used_count;
@@ -600,6 +746,16 @@ struct txgbe_mac_operations {
void (*init_thermal_sensor_thresh)(struct txgbe_hw *hw);
};
+struct txgbe_phy_operations {
+ int (*identify)(struct txgbe_hw *hw);
+ int (*identify_sfp)(struct txgbe_hw *hw);
+ int (*init)(struct txgbe_hw *hw);
+ int (*read_i2c_byte)(struct txgbe_hw *hw, u8 byte_offset,
+ u8 dev_addr, u8 *data);
+ int (*read_i2c_eeprom)(struct txgbe_hw *hw, u8 byte_offset,
+ u8 *eeprom_data);
+};
+
struct txgbe_eeprom_info {
struct txgbe_eeprom_operations ops;
enum txgbe_eeprom_type type;
@@ -622,12 +778,27 @@ struct txgbe_mac_info {
u32 num_rar_entries;
u32 max_tx_queues;
u32 max_rx_queues;
+ u32 orig_sr_pcs_ctl2;
+ u32 orig_sr_pma_mmd_ctl1;
+ u32 orig_sr_an_mmd_ctl;
+ u32 orig_sr_an_mmd_adv_reg2;
+ u32 orig_vr_xs_or_pcs_mmd_digi_ctl1;
u8 san_mac_rar_index;
+ bool orig_link_settings_stored;
bool autotry_restart;
struct txgbe_thermal_sensor_data thermal_sensor_data;
bool set_lben;
};
+struct txgbe_phy_info {
+ struct txgbe_phy_operations ops;
+ enum txgbe_phy_type type;
+ enum txgbe_sfp_type sfp_type;
+ enum txgbe_media_type media_type;
+ u32 phy_semaphore_mask;
+ bool multispeed_fiber;
+};
+
enum txgbe_reset_type {
TXGBE_LAN_RESET = 0,
TXGBE_SW_RESET,
@@ -638,6 +809,7 @@ struct txgbe_hw {
u8 __iomem *hw_addr;
struct txgbe_mac_info mac;
struct txgbe_addr_filter_info addr_ctrl;
+ struct txgbe_phy_info phy;
struct txgbe_eeprom_info eeprom;
struct txgbe_bus_info bus;
u16 device_id;
--
2.27.0
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