--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Driver for the Airoha EN8811H 2.5 Gigabit PHY.
+ *
+ * Limitations of the EN8811H:
+ * - Only full duplex supported
+ * - Forced speed (AN off) is not supported by hardware (100Mbps)
+ *
+ * Source originated from linux air_en8811h.c
+ *
+ * Copyright (C) 2025 Airoha Technology Corp.
+ */
+
+#include <phy.h>
+#include <errno.h>
+#include <log.h>
+#include <env.h>
+#include <malloc.h>
+#include <fw_loader.h>
+#include <asm/unaligned.h>
+#include <linux/iopoll.h>
+#include <linux/bitops.h>
+#include <linux/compat.h>
+#include <dm/device_compat.h>
+#include <u-boot/crc.h>
+
+#define EN8811H_PHY_ID 0x03a2a411
+
+#define AIR_FW_ADDR_DM 0x00000000
+#define AIR_FW_ADDR_DSP 0x00100000
+
+#define EN8811H_MD32_DM_SIZE 0x4000
+#define EN8811H_MD32_DSP_SIZE 0x20000
+
+#define EN8811H_FW_CTRL_1 0x0f0018
+#define EN8811H_FW_CTRL_1_START 0x0
+#define EN8811H_FW_CTRL_1_FINISH 0x1
+#define EN8811H_FW_CTRL_2 0x800000
+#define EN8811H_FW_CTRL_2_LOADING BIT(11)
+
+/* MII Registers */
+#define AIR_AUX_CTRL_STATUS 0x1d
+#define AIR_AUX_CTRL_STATUS_SPEED_MASK GENMASK(4, 2)
+#define AIR_AUX_CTRL_STATUS_SPEED_100 0x4
+#define AIR_AUX_CTRL_STATUS_SPEED_1000 0x8
+#define AIR_AUX_CTRL_STATUS_SPEED_2500 0xc
+
+#define AIR_EXT_PAGE_ACCESS 0x1f
+#define AIR_PHY_PAGE_STANDARD 0x0000
+#define AIR_PHY_PAGE_EXTENDED_4 0x0004
+
+/* MII Registers Page 4 */
+#define AIR_BPBUS_MODE 0x10
+#define AIR_BPBUS_MODE_ADDR_FIXED 0x0000
+#define AIR_BPBUS_MODE_ADDR_INCR BIT(15)
+#define AIR_BPBUS_WR_ADDR_HIGH 0x11
+#define AIR_BPBUS_WR_ADDR_LOW 0x12
+#define AIR_BPBUS_WR_DATA_HIGH 0x13
+#define AIR_BPBUS_WR_DATA_LOW 0x14
+#define AIR_BPBUS_RD_ADDR_HIGH 0x15
+#define AIR_BPBUS_RD_ADDR_LOW 0x16
+#define AIR_BPBUS_RD_DATA_HIGH 0x17
+#define AIR_BPBUS_RD_DATA_LOW 0x18
+
+/* Registers on MDIO_MMD_VEND1 */
+#define EN8811H_PHY_FW_STATUS 0x8009
+#define EN8811H_PHY_READY 0x02
+
+/* Registers on MDIO_MMD_VEND2 */
+#define AIR_PHY_LED_BCR 0x021
+#define AIR_PHY_LED_BCR_MODE_MASK GENMASK(1, 0)
+#define AIR_PHY_LED_BCR_TIME_TEST BIT(2)
+#define AIR_PHY_LED_BCR_CLK_EN BIT(3)
+#define AIR_PHY_LED_BCR_EXT_CTRL BIT(15)
+
+#define AIR_PHY_LED_DUR_ON 0x022
+
+#define AIR_PHY_LED_DUR_BLINK 0x023
+
+#define AIR_PHY_LED_ON(i) (0x024 + ((i) * 2))
+#define AIR_PHY_LED_ON_MASK (GENMASK(6, 0) | BIT(8))
+#define AIR_PHY_LED_ON_LINK1000 BIT(0)
+#define AIR_PHY_LED_ON_LINK100 BIT(1)
+#define AIR_PHY_LED_ON_LINK10 BIT(2)
+#define AIR_PHY_LED_ON_LINKDOWN BIT(3)
+#define AIR_PHY_LED_ON_FDX BIT(4) /* Full duplex */
+#define AIR_PHY_LED_ON_HDX BIT(5) /* Half duplex */
+#define AIR_PHY_LED_ON_FORCE_ON BIT(6)
+#define AIR_PHY_LED_ON_LINK2500 BIT(8)
+#define AIR_PHY_LED_ON_POLARITY BIT(14)
+#define AIR_PHY_LED_ON_ENABLE BIT(15)
+
+#define AIR_PHY_LED_BLINK(i) (0x025 + ((i) * 2))
+#define AIR_PHY_LED_BLINK_1000TX BIT(0)
+#define AIR_PHY_LED_BLINK_1000RX BIT(1)
+#define AIR_PHY_LED_BLINK_100TX BIT(2)
+#define AIR_PHY_LED_BLINK_100RX BIT(3)
+#define AIR_PHY_LED_BLINK_10TX BIT(4)
+#define AIR_PHY_LED_BLINK_10RX BIT(5)
+#define AIR_PHY_LED_BLINK_COLLISION BIT(6)
+#define AIR_PHY_LED_BLINK_RX_CRC_ERR BIT(7)
+#define AIR_PHY_LED_BLINK_RX_IDLE_ERR BIT(8)
+#define AIR_PHY_LED_BLINK_FORCE_BLINK BIT(9)
+#define AIR_PHY_LED_BLINK_2500TX BIT(10)
+#define AIR_PHY_LED_BLINK_2500RX BIT(11)
+
+#define EN8811H_FW_VERSION 0x3b3c
+
+#define EN8811H_POLARITY 0xca0f8
+#define EN8811H_POLARITY_TX_NORMAL BIT(0)
+#define EN8811H_POLARITY_RX_REVERSE BIT(1)
+
+#define EN8811H_CLK_CGM 0xcf958
+#define EN8811H_CLK_CGM_CKO BIT(26)
+#define EN8811H_HWTRAP1 0xcf914
+#define EN8811H_HWTRAP1_CKO BIT(12)
+
+#define clear_bit(bit, bitmap) __clear_bit(bit, bitmap)
+
+/* Led definitions */
+#define EN8811H_LED_COUNT 3
+
+struct led {
+ unsigned long rules;
+ unsigned long state;
+};
+
+enum {
+ AIR_PHY_LED_STATE_FORCE_ON,
+ AIR_PHY_LED_STATE_FORCE_BLINK,
+};
+
+enum {
+ AIR_PHY_LED_DUR_BLINK_32MS,
+ AIR_PHY_LED_DUR_BLINK_64MS,
+ AIR_PHY_LED_DUR_BLINK_128MS,
+ AIR_PHY_LED_DUR_BLINK_256MS,
+ AIR_PHY_LED_DUR_BLINK_512MS,
+ AIR_PHY_LED_DUR_BLINK_1024MS,
+};
+
+enum {
+ AIR_LED_DISABLE,
+ AIR_LED_ENABLE,
+};
+
+enum {
+ AIR_ACTIVE_LOW,
+ AIR_ACTIVE_HIGH,
+};
+
+enum {
+ AIR_LED_MODE_DISABLE,
+ AIR_LED_MODE_USER_DEFINE,
+};
+
+/* Trigger specific enum */
+enum air_led_trigger_netdev_modes {
+ AIR_TRIGGER_NETDEV_LINK = 0,
+ AIR_TRIGGER_NETDEV_LINK_10,
+ AIR_TRIGGER_NETDEV_LINK_100,
+ AIR_TRIGGER_NETDEV_LINK_1000,
+ AIR_TRIGGER_NETDEV_LINK_2500,
+ AIR_TRIGGER_NETDEV_LINK_5000,
+ AIR_TRIGGER_NETDEV_LINK_10000,
+ AIR_TRIGGER_NETDEV_HALF_DUPLEX,
+ AIR_TRIGGER_NETDEV_FULL_DUPLEX,
+ AIR_TRIGGER_NETDEV_TX,
+ AIR_TRIGGER_NETDEV_RX,
+ AIR_TRIGGER_NETDEV_TX_ERR,
+ AIR_TRIGGER_NETDEV_RX_ERR,
+
+ /* Keep last */
+ __AIR_TRIGGER_NETDEV_MAX,
+};
+
+/* Default LED setup:
+ * GPIO5 <-> LED0 On: Link detected, blink Rx/Tx
+ * GPIO4 <-> LED1 On: Link detected at 2500 and 1000 Mbps
+ * GPIO3 <-> LED2 On: Link detected at 2500 and 100 Mbps
+ */
+#define AIR_DEFAULT_TRIGGER_LED0 (BIT(AIR_TRIGGER_NETDEV_LINK) | \
+ BIT(AIR_TRIGGER_NETDEV_RX) | \
+ BIT(AIR_TRIGGER_NETDEV_TX))
+#define AIR_DEFAULT_TRIGGER_LED1 (BIT(AIR_TRIGGER_NETDEV_LINK_2500) | \
+ BIT(AIR_TRIGGER_NETDEV_LINK_1000))
+#define AIR_DEFAULT_TRIGGER_LED2 (BIT(AIR_TRIGGER_NETDEV_LINK_2500) | \
+ BIT(AIR_TRIGGER_NETDEV_LINK_100))
+
+#define AIR_PHY_LED_DUR_UNIT 781
+#define AIR_PHY_LED_DUR (AIR_PHY_LED_DUR_UNIT << AIR_PHY_LED_DUR_BLINK_64MS)
+
+struct en8811h_priv {
+ int firmware_version;
+ bool mcu_needs_restart;
+ struct led led[EN8811H_LED_COUNT];
+};
+
+static int air_buckpbus_reg_write(struct phy_device *phydev,
+ u32 pbus_address, u32 pbus_data)
+{
+ int ret, saved_page;
+
+ saved_page = phy_select_page(phydev, AIR_PHY_PAGE_EXTENDED_4);
+ if (saved_page < 0)
+ return saved_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_MODE,
+ AIR_BPBUS_MODE_ADDR_FIXED);
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_HIGH,
+ upper_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_LOW,
+ lower_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_HIGH,
+ upper_16_bits(pbus_data));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_LOW,
+ lower_16_bits(pbus_data));
+ if (ret < 0)
+ goto restore_page;
+
+restore_page:
+ if (ret < 0)
+ dev_err(phydev->dev, "%s 0x%08x failed: %d\n", __func__,
+ pbus_address, ret);
+
+ return phy_restore_page(phydev, saved_page, ret);
+}
+
+static int air_buckpbus_reg_read(struct phy_device *phydev,
+ u32 pbus_address, u32 *pbus_data)
+{
+ int pbus_data_low, pbus_data_high;
+ int ret = 0, saved_page;
+
+ saved_page = phy_select_page(phydev, AIR_PHY_PAGE_EXTENDED_4);
+ if (saved_page < 0)
+ return saved_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_MODE,
+ AIR_BPBUS_MODE_ADDR_FIXED);
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_ADDR_HIGH,
+ upper_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_ADDR_LOW,
+ lower_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ pbus_data_high = phy_read(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_DATA_HIGH);
+ if (pbus_data_high < 0) {
+ ret = pbus_data_high;
+ goto restore_page;
+ }
+
+ pbus_data_low = phy_read(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_DATA_LOW);
+ if (pbus_data_low < 0) {
+ ret = pbus_data_low;
+ goto restore_page;
+ }
+
+ *pbus_data = pbus_data_low | (pbus_data_high << 16);
+
+restore_page:
+ if (ret < 0)
+ dev_err(phydev->dev, "%s 0x%08x failed: %d\n", __func__,
+ pbus_address, ret);
+
+ return phy_restore_page(phydev, saved_page, ret);
+}
+
+static int air_buckpbus_reg_modify(struct phy_device *phydev,
+ u32 pbus_address, u32 mask, u32 set)
+{
+ int pbus_data_low, pbus_data_high;
+ u32 pbus_data_old, pbus_data_new;
+ int ret = 0, saved_page;
+
+ saved_page = phy_select_page(phydev, AIR_PHY_PAGE_EXTENDED_4);
+ if (saved_page < 0)
+ return saved_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_MODE,
+ AIR_BPBUS_MODE_ADDR_FIXED);
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_ADDR_HIGH,
+ upper_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_ADDR_LOW,
+ lower_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ pbus_data_high = phy_read(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_DATA_HIGH);
+ if (pbus_data_high < 0) {
+ ret = pbus_data_high;
+ goto restore_page;
+ }
+
+ pbus_data_low = phy_read(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_RD_DATA_LOW);
+ if (pbus_data_low < 0) {
+ ret = pbus_data_low;
+ goto restore_page;
+ }
+
+ pbus_data_old = pbus_data_low | (pbus_data_high << 16);
+ pbus_data_new = (pbus_data_old & ~mask) | set;
+ if (pbus_data_new == pbus_data_old)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_HIGH,
+ upper_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_LOW,
+ lower_16_bits(pbus_address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_HIGH,
+ upper_16_bits(pbus_data_new));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_LOW,
+ lower_16_bits(pbus_data_new));
+ if (ret < 0)
+ goto restore_page;
+
+restore_page:
+ if (ret < 0)
+ dev_err(phydev->dev, "%s 0x%08x failed: %d\n", __func__,
+ pbus_address, ret);
+
+ return phy_restore_page(phydev, saved_page, ret);
+}
+
+static int air_write_buf(struct phy_device *phydev, unsigned long address,
+ unsigned long array_size, const unsigned char *buffer)
+{
+ unsigned int offset;
+ int ret, saved_page;
+ u16 val;
+
+ saved_page = phy_select_page(phydev, AIR_PHY_PAGE_EXTENDED_4);
+ if (saved_page < 0)
+ return saved_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_MODE,
+ AIR_BPBUS_MODE_ADDR_INCR);
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_HIGH,
+ upper_16_bits(address));
+ if (ret < 0)
+ goto restore_page;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_ADDR_LOW,
+ lower_16_bits(address));
+ if (ret < 0)
+ goto restore_page;
+
+ for (offset = 0; offset < array_size; offset += 4) {
+ val = get_unaligned_le16(&buffer[offset + 2]);
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_HIGH, val);
+ if (ret < 0)
+ goto restore_page;
+
+ val = get_unaligned_le16(&buffer[offset]);
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, AIR_BPBUS_WR_DATA_LOW, val);
+ if (ret < 0)
+ goto restore_page;
+ }
+
+restore_page:
+ if (ret < 0)
+ dev_err(phydev->dev, "%s 0x%08lx failed: %d\n", __func__,
+ address, ret);
+
+ return phy_restore_page(phydev, saved_page, ret);
+}
+
+static int en8811h_wait_mcu_ready(struct phy_device *phydev)
+{
+ int ret, reg_value;
+
+ /* Because of mdio-lock, may have to wait for multiple loads */
+ ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1,
+ EN8811H_PHY_FW_STATUS, reg_value,
+ reg_value == EN8811H_PHY_READY,
+ 20000, 7500000, true);
+ if (ret) {
+ dev_err(phydev->dev, "MCU not ready: 0x%x\n", reg_value);
+ return ret;
+ }
+
+ return ret;
+}
+
+int en8811h_read_fw(void **fw, size_t *fwsize)
+{
+ void *buffer;
+ int ret;
+
+ buffer = malloc(EN8811H_MD32_DM_SIZE + EN8811H_MD32_DSP_SIZE);
+ if (!buffer)
+ return -ENOMEM;
+
+ ret = request_firmware_into_buf_via_script(buffer,
+ EN8811H_MD32_DM_SIZE + EN8811H_MD32_DSP_SIZE,
+ "en8811h_load_firmware", fwsize);
+ if (ret) {
+ free(buffer);
+ return ret;
+ }
+
+ *fw = buffer;
+
+ debug("Found Airoha Firmware.\n");
+
+ return 0;
+}
+
+static int en8811h_load_firmware(struct phy_device *phydev)
+{
+ struct en8811h_priv *priv = phydev->priv;
+ size_t fw_size;
+ void *buffer;
+ int ret;
+
+ ret = en8811h_read_fw(&buffer, &fw_size);
+ if (ret < 0) {
+ dev_err(phydev->dev, "Failed to get firmware data\n");
+ return -EINVAL;
+ }
+
+ if (fw_size != EN8811H_MD32_DM_SIZE + EN8811H_MD32_DSP_SIZE) {
+ dev_err(phydev->dev,
+ "MD32 firmware size mismatch (0x%zx != 0x%x)\n",
+ fw_size, EN8811H_MD32_DM_SIZE + EN8811H_MD32_DSP_SIZE);
+ ret = -EINVAL;
+ goto en8811h_load_firmware_out;
+ }
+
+ ret = air_buckpbus_reg_write(phydev, EN8811H_FW_CTRL_1,
+ EN8811H_FW_CTRL_1_START);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = air_buckpbus_reg_modify(phydev, EN8811H_FW_CTRL_2,
+ EN8811H_FW_CTRL_2_LOADING,
+ EN8811H_FW_CTRL_2_LOADING);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = air_write_buf(phydev, AIR_FW_ADDR_DM, EN8811H_MD32_DM_SIZE,
+ (unsigned char *)buffer);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = air_write_buf(phydev, AIR_FW_ADDR_DSP, EN8811H_MD32_DSP_SIZE,
+ (unsigned char *)buffer + EN8811H_MD32_DM_SIZE);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = air_buckpbus_reg_modify(phydev, EN8811H_FW_CTRL_2,
+ EN8811H_FW_CTRL_2_LOADING, 0);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = air_buckpbus_reg_write(phydev, EN8811H_FW_CTRL_1,
+ EN8811H_FW_CTRL_1_FINISH);
+ if (ret < 0)
+ goto en8811h_load_firmware_out;
+
+ ret = en8811h_wait_mcu_ready(phydev);
+
+ air_buckpbus_reg_read(phydev, EN8811H_FW_VERSION,
+ &priv->firmware_version);
+ dev_info(phydev->dev, "MD32 firmware version: %08x\n",
+ priv->firmware_version);
+
+en8811h_load_firmware_out:
+ free(buffer);
+ if (ret < 0)
+ dev_err(phydev->dev, "Firmware loading failed: %d\n", ret);
+
+ return ret;
+}
+
+static int en8811h_restart_mcu(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_write_mmd(phydev, 0x1e, 0x8009, 0x0);
+ if (ret < 0)
+ return ret;
+
+ ret = air_buckpbus_reg_write(phydev, EN8811H_FW_CTRL_1,
+ EN8811H_FW_CTRL_1_START);
+ if (ret < 0)
+ return ret;
+
+ return air_buckpbus_reg_write(phydev, EN8811H_FW_CTRL_1,
+ EN8811H_FW_CTRL_1_FINISH);
+}
+
+static int air_led_hw_control_set(struct phy_device *phydev, u8 index,
+ unsigned long rules)
+{
+ struct en8811h_priv *priv = phydev->priv;
+ u16 on = 0, blink = 0;
+ int ret;
+
+ if (index >= EN8811H_LED_COUNT)
+ return -EINVAL;
+
+ priv->led[index].rules = rules;
+
+ if (rules & BIT(AIR_TRIGGER_NETDEV_FULL_DUPLEX))
+ on |= AIR_PHY_LED_ON_FDX;
+
+ if (rules & (BIT(AIR_TRIGGER_NETDEV_LINK_10) | BIT(AIR_TRIGGER_NETDEV_LINK)))
+ on |= AIR_PHY_LED_ON_LINK10;
+
+ if (rules & (BIT(AIR_TRIGGER_NETDEV_LINK_100) | BIT(AIR_TRIGGER_NETDEV_LINK)))
+ on |= AIR_PHY_LED_ON_LINK100;
+
+ if (rules & (BIT(AIR_TRIGGER_NETDEV_LINK_1000) | BIT(AIR_TRIGGER_NETDEV_LINK)))
+ on |= AIR_PHY_LED_ON_LINK1000;
+
+ if (rules & (BIT(AIR_TRIGGER_NETDEV_LINK_2500) | BIT(AIR_TRIGGER_NETDEV_LINK)))
+ on |= AIR_PHY_LED_ON_LINK2500;
+
+ if (rules & BIT(AIR_TRIGGER_NETDEV_RX)) {
+ blink |= AIR_PHY_LED_BLINK_10RX |
+ AIR_PHY_LED_BLINK_100RX |
+ AIR_PHY_LED_BLINK_1000RX |
+ AIR_PHY_LED_BLINK_2500RX;
+ }
+
+ if (rules & BIT(AIR_TRIGGER_NETDEV_TX)) {
+ blink |= AIR_PHY_LED_BLINK_10TX |
+ AIR_PHY_LED_BLINK_100TX |
+ AIR_PHY_LED_BLINK_1000TX |
+ AIR_PHY_LED_BLINK_2500TX;
+ }
+
+ if (blink || on) {
+ /* switch hw-control on, so led-on and led-blink are off */
+ clear_bit(AIR_PHY_LED_STATE_FORCE_ON,
+ &priv->led[index].state);
+ clear_bit(AIR_PHY_LED_STATE_FORCE_BLINK,
+ &priv->led[index].state);
+ } else {
+ priv->led[index].rules = 0;
+ }
+
+ ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_ON(index),
+ AIR_PHY_LED_ON_MASK, on);
+
+ if (ret < 0)
+ return ret;
+
+ return phy_write_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_BLINK(index),
+ blink);
+};
+
+static int air_led_init(struct phy_device *phydev, u8 index, u8 state, u8 pol)
+{
+ int val = 0;
+ int err;
+
+ if (index >= EN8811H_LED_COUNT)
+ return -EINVAL;
+
+ if (state == AIR_LED_ENABLE)
+ val |= AIR_PHY_LED_ON_ENABLE;
+ else
+ val &= ~AIR_PHY_LED_ON_ENABLE;
+
+ if (pol == AIR_ACTIVE_HIGH)
+ val |= AIR_PHY_LED_ON_POLARITY;
+ else
+ val &= ~AIR_PHY_LED_ON_POLARITY;
+
+ err = phy_write_mmd(phydev, 0x1f, AIR_PHY_LED_ON(index), val);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int air_leds_init(struct phy_device *phydev, int num, u16 dur, int mode)
+{
+ struct en8811h_priv *priv = phydev->priv;
+ int ret, i;
+
+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_DUR_BLINK,
+ dur);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_DUR_ON,
+ dur >> 1);
+ if (ret < 0)
+ return ret;
+
+ switch (mode) {
+ case AIR_LED_MODE_DISABLE:
+ ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_BCR,
+ AIR_PHY_LED_BCR_EXT_CTRL |
+ AIR_PHY_LED_BCR_MODE_MASK, 0);
+ break;
+ case AIR_LED_MODE_USER_DEFINE:
+ ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, AIR_PHY_LED_BCR,
+ AIR_PHY_LED_BCR_EXT_CTRL |
+ AIR_PHY_LED_BCR_CLK_EN,
+ AIR_PHY_LED_BCR_EXT_CTRL |
+ AIR_PHY_LED_BCR_CLK_EN);
+ if (ret < 0)
+ return ret;
+ break;
+ default:
+ dev_err(phydev->dev, "LED mode %d is not supported\n", mode);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < num; ++i) {
+ ret = air_led_init(phydev, i, AIR_LED_ENABLE, AIR_ACTIVE_HIGH);
+ if (ret < 0) {
+ dev_err(phydev->dev, "LED%d init failed: %d\n", i, ret);
+ return ret;
+ }
+ air_led_hw_control_set(phydev, i, priv->led[i].rules);
+ }
+
+ return 0;
+}
+
+static int en8811h_config(struct phy_device *phydev)
+{
+ struct en8811h_priv *priv = phydev->priv;
+ ofnode node = phy_get_ofnode(phydev);
+ u32 pbus_value = 0;
+ int ret = 0;
+
+ /* If restart happened in .probe(), no need to restart now */
+ if (priv->mcu_needs_restart) {
+ ret = en8811h_restart_mcu(phydev);
+ if (ret < 0)
+ return ret;
+ } else {
+ ret = en8811h_load_firmware(phydev);
+ if (ret) {
+ dev_err(phydev->dev, "Load firmware fail.\n");
+ return ret;
+ }
+ /* Next calls to .config() mcu needs to restart */
+ priv->mcu_needs_restart = true;
+ }
+
+ ret = phy_write_mmd(phydev, 0x1e, 0x800c, 0x0);
+ if (ret < 0)
+ return ret;
+ ret = phy_write_mmd(phydev, 0x1e, 0x800d, 0x0);
+ if (ret < 0)
+ return ret;
+ ret = phy_write_mmd(phydev, 0x1e, 0x800e, 0x1101);
+ if (ret < 0)
+ return ret;
+ ret = phy_write_mmd(phydev, 0x1e, 0x800f, 0x0002);
+ if (ret < 0)
+ return ret;
+
+ /* Serdes polarity */
+ pbus_value = 0;
+ if (ofnode_read_bool(node, "airoha,pnswap-rx"))
+ pbus_value |= EN8811H_POLARITY_RX_REVERSE;
+ else
+ pbus_value &= ~EN8811H_POLARITY_RX_REVERSE;
+ if (ofnode_read_bool(node, "airoha,pnswap-tx"))
+ pbus_value &= ~EN8811H_POLARITY_TX_NORMAL;
+ else
+ pbus_value |= EN8811H_POLARITY_TX_NORMAL;
+ ret = air_buckpbus_reg_modify(phydev, EN8811H_POLARITY,
+ EN8811H_POLARITY_RX_REVERSE |
+ EN8811H_POLARITY_TX_NORMAL, pbus_value);
+ if (ret < 0)
+ return ret;
+
+ ret = air_leds_init(phydev, EN8811H_LED_COUNT, AIR_PHY_LED_DUR,
+ AIR_LED_MODE_USER_DEFINE);
+ if (ret < 0) {
+ dev_err(phydev->dev, "Failed to disable leds: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int en8811h_parse_status(struct phy_device *phydev)
+{
+ int ret = 0, reg_value;
+
+ phydev->duplex = DUPLEX_FULL;
+
+ reg_value = phy_read(phydev, MDIO_DEVAD_NONE, AIR_AUX_CTRL_STATUS);
+ if (reg_value < 0)
+ return reg_value;
+
+ switch (reg_value & AIR_AUX_CTRL_STATUS_SPEED_MASK) {
+ case AIR_AUX_CTRL_STATUS_SPEED_2500:
+ phydev->speed = SPEED_2500;
+ break;
+ case AIR_AUX_CTRL_STATUS_SPEED_1000:
+ phydev->speed = SPEED_1000;
+ break;
+ case AIR_AUX_CTRL_STATUS_SPEED_100:
+ phydev->speed = SPEED_100;
+ break;
+ default:
+ dev_err(phydev->dev, "Auto-neg error, defaulting to 2500M/FD\n");
+ phydev->speed = SPEED_2500;
+ break;
+ }
+
+ return ret;
+}
+
+static int en8811h_startup(struct phy_device *phydev)
+{
+ int ret = 0;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ return en8811h_parse_status(phydev);
+}
+
+static int en8811h_probe(struct phy_device *phydev)
+{
+ struct en8811h_priv *priv;
+
+ priv = malloc(sizeof(*priv));
+ if (!priv)
+ return -ENOMEM;
+ memset(priv, 0, sizeof(*priv));
+
+ priv->led[0].rules = AIR_DEFAULT_TRIGGER_LED0;
+ priv->led[1].rules = AIR_DEFAULT_TRIGGER_LED1;
+ priv->led[2].rules = AIR_DEFAULT_TRIGGER_LED2;
+
+ /* mcu has just restarted after firmware load */
+ priv->mcu_needs_restart = false;
+
+ phydev->priv = priv;
+
+ return 0;
+}
+
+static int en8811h_read_page(struct phy_device *phydev)
+{
+ return phy_read(phydev, MDIO_DEVAD_NONE, AIR_EXT_PAGE_ACCESS);
+}
+
+static int en8811h_write_page(struct phy_device *phydev, int page)
+{
+ return phy_write(phydev, MDIO_DEVAD_NONE, AIR_EXT_PAGE_ACCESS, page);
+}
+
+U_BOOT_PHY_DRIVER(en8811h) = {
+ .name = "Airoha EN8811H",
+ .uid = EN8811H_PHY_ID,
+ .mask = 0x0ffffff0,
+ .config = &en8811h_config,
+ .probe = &en8811h_probe,
+ .read_page = &en8811h_read_page,
+ .write_page = &en8811h_write_page,
+ .startup = &en8811h_startup,
+ .shutdown = &genphy_shutdown,
+};
projects / thirdparty / u-boot.git / commitdiff
