diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x0/usb_mcu.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x0/usb_mcu.c
new file mode 100644
index 0000000..45502fd
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x0/usb_mcu.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+#include <linux/module.h>
+
+#include "mt76x0.h"
+#include "mcu.h"
+#include "../mt76x02_usb.h"
+
+#define MCU_FW_URB_MAX_PAYLOAD		0x38f8
+#define MCU_FW_URB_SIZE			(MCU_FW_URB_MAX_PAYLOAD + 12)
+
+static int
+mt76x0u_upload_firmware(struct mt76x02_dev *dev,
+			const struct mt76x02_fw_header *hdr)
+{
+	u8 *fw_payload = (u8 *)(hdr + 1);
+	u32 ilm_len, dlm_len;
+	void *ivb;
+	int err;
+
+	ivb = kmemdup(fw_payload, MT_MCU_IVB_SIZE, GFP_KERNEL);
+	if (!ivb)
+		return -ENOMEM;
+
+	ilm_len = le32_to_cpu(hdr->ilm_len) - MT_MCU_IVB_SIZE;
+	dev_dbg(dev->mt76.dev, "loading FW - ILM %u + IVB %u\n",
+		ilm_len, MT_MCU_IVB_SIZE);
+	err = mt76x02u_mcu_fw_send_data(dev, fw_payload + MT_MCU_IVB_SIZE,
+					ilm_len, MCU_FW_URB_MAX_PAYLOAD,
+					MT_MCU_IVB_SIZE);
+	if (err)
+		goto out;
+
+	dlm_len = le32_to_cpu(hdr->dlm_len);
+	dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len);
+	err = mt76x02u_mcu_fw_send_data(dev,
+					fw_payload + le32_to_cpu(hdr->ilm_len),
+					dlm_len, MCU_FW_URB_MAX_PAYLOAD,
+					MT_MCU_DLM_OFFSET);
+	if (err)
+		goto out;
+
+	err = mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
+				   USB_DIR_OUT | USB_TYPE_VENDOR,
+				   0x12, 0, ivb, MT_MCU_IVB_SIZE);
+	if (err < 0)
+		goto out;
+
+	if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) {
+		dev_err(dev->mt76.dev, "Firmware failed to start\n");
+		err = -ETIMEDOUT;
+		goto out;
+	}
+
+	dev_dbg(dev->mt76.dev, "Firmware running!\n");
+
+out:
+	kfree(ivb);
+
+	return err;
+}
+
+static int mt76x0_get_firmware(struct mt76x02_dev *dev,
+			       const struct firmware **fw)
+{
+	int err;
+
+	/* try to load mt7610e fw if available
+	 * otherwise fall back to mt7610u one
+	 */
+	err = firmware_request_nowarn(fw, MT7610E_FIRMWARE, dev->mt76.dev);
+	if (err) {
+		dev_info(dev->mt76.dev, "%s not found, switching to %s",
+			 MT7610E_FIRMWARE, MT7610U_FIRMWARE);
+		return request_firmware(fw, MT7610U_FIRMWARE,
+					dev->mt76.dev);
+	}
+	return 0;
+}
+
+static int mt76x0u_load_firmware(struct mt76x02_dev *dev)
+{
+	const struct firmware *fw;
+	const struct mt76x02_fw_header *hdr;
+	int len, ret;
+	u32 val;
+
+	mt76_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN |
+				      MT_USB_DMA_CFG_TX_BULK_EN));
+
+	if (mt76x0_firmware_running(dev))
+		return 0;
+
+	ret = mt76x0_get_firmware(dev, &fw);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr))
+		goto err_inv_fw;
+
+	hdr = (const struct mt76x02_fw_header *)fw->data;
+
+	if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE)
+		goto err_inv_fw;
+
+	len = sizeof(*hdr);
+	len += le32_to_cpu(hdr->ilm_len);
+	len += le32_to_cpu(hdr->dlm_len);
+
+	if (fw->size != len)
+		goto err_inv_fw;
+
+	val = le16_to_cpu(hdr->fw_ver);
+	dev_dbg(dev->mt76.dev,
+		"Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n",
+		(val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf,
+		le16_to_cpu(hdr->build_ver), hdr->build_time);
+
+	len = le32_to_cpu(hdr->ilm_len);
+
+	mt76_wr(dev, 0x1004, 0x2c);
+
+	mt76_set(dev, MT_USB_DMA_CFG,
+		 (MT_USB_DMA_CFG_RX_BULK_EN | MT_USB_DMA_CFG_TX_BULK_EN) |
+		 FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20));
+	mt76x02u_mcu_fw_reset(dev);
+	usleep_range(5000, 6000);
+
+	mt76_wr(dev, MT_FCE_PSE_CTRL, 1);
+
+	/* FCE tx_fs_base_ptr */
+	mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230);
+	/* FCE tx_fs_max_cnt */
+	mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1);
+	/* FCE pdma enable */
+	mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44);
+	/* FCE skip_fs_en */
+	mt76_wr(dev, MT_FCE_SKIP_FS, 3);
+
+	val = mt76_rr(dev, MT_USB_DMA_CFG);
+	val |= MT_USB_DMA_CFG_UDMA_TX_WL_DROP;
+	mt76_wr(dev, MT_USB_DMA_CFG, val);
+	val &= ~MT_USB_DMA_CFG_UDMA_TX_WL_DROP;
+	mt76_wr(dev, MT_USB_DMA_CFG, val);
+
+	ret = mt76x0u_upload_firmware(dev, hdr);
+	release_firmware(fw);
+
+	mt76_wr(dev, MT_FCE_PSE_CTRL, 1);
+
+	return ret;
+
+err_inv_fw:
+	dev_err(dev->mt76.dev, "Invalid firmware image\n");
+	release_firmware(fw);
+	return -ENOENT;
+}
+
+int mt76x0u_mcu_init(struct mt76x02_dev *dev)
+{
+	int ret;
+
+	ret = mt76x0u_load_firmware(dev);
+	if (ret < 0)
+		return ret;
+
+	set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+
+	return 0;
+}