diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/eeprom.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/eeprom.c
new file mode 100644
index 0000000..efc0882
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/eeprom.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/firmware.h>
+#include "bersa.h"
+#include "eeprom.h"
+
+static int bersa_eeprom_load_precal(struct bersa_dev *dev)
+{
+	struct mt76_dev *mdev = &dev->mt76;
+	u8 *eeprom = mdev->eeprom.data;
+	u32 val = eeprom[MT_EE_DO_PRE_CAL];
+
+	if (!dev->flash_mode)
+		return 0;
+
+	if (val != (MT_EE_WIFI_CAL_DPD | MT_EE_WIFI_CAL_GROUP))
+		return 0;
+
+	val = MT_EE_CAL_GROUP_SIZE + MT_EE_CAL_DPD_SIZE;
+	dev->cal = devm_kzalloc(mdev->dev, val, GFP_KERNEL);
+	if (!dev->cal)
+		return -ENOMEM;
+
+	return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL_V2, val);
+}
+
+static int bersa_check_eeprom(struct bersa_dev *dev)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	u16 val = get_unaligned_le16(eeprom);
+
+	switch (val) {
+	case 0x7915:
+	case 0x7916:
+	case 0x7986:
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static char *bersa_eeprom_name(struct bersa_dev *dev)
+{
+	return MT7902_EEPROM_DEFAULT;
+}
+
+static int
+bersa_eeprom_load_default(struct bersa_dev *dev)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	const struct firmware *fw = NULL;
+	int ret;
+
+	ret = request_firmware(&fw, bersa_eeprom_name(dev), dev->mt76.dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data) {
+		dev_err(dev->mt76.dev, "Invalid default bin\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	memcpy(eeprom, fw->data, BERSA_EEPROM_SIZE);
+	dev->flash_mode = true;
+
+out:
+	release_firmware(fw);
+
+	return ret;
+}
+
+static int bersa_eeprom_load(struct bersa_dev *dev)
+{
+	int ret;
+
+	ret = mt76_eeprom_init(&dev->mt76, BERSA_EEPROM_SIZE);
+	if (ret < 0)
+		return ret;
+
+	if (ret) {
+		dev->flash_mode = true;
+	} else {
+		u8 free_block_num;
+		u32 block_num, i;
+
+		bersa_mcu_get_eeprom_free_block(dev, &free_block_num);
+		/* efuse info not enough */
+		if (free_block_num >= 29)
+			return -EINVAL;
+
+		/* read eeprom data from efuse */
+		block_num = DIV_ROUND_UP(BERSA_EEPROM_SIZE,
+					 BERSA_EEPROM_BLOCK_SIZE);
+		for (i = 0; i < block_num; i++)
+			bersa_mcu_get_eeprom(dev,
+					      i * BERSA_EEPROM_BLOCK_SIZE);
+	}
+
+	return bersa_check_eeprom(dev);
+}
+
+static void bersa_eeprom_parse_band_config(struct bersa_phy *phy)
+{
+	struct bersa_dev *dev = phy->dev;
+	u8 *eeprom = dev->mt76.eeprom.data;
+	u32 val;
+
+	/* TODO:
+	 * since default bin hasn't properly configured yet,
+	 * currently hardcode band cap for bellwether */
+
+	/* val = eeprom[MT_EE_WIFI_CONF + phy->band_idx]; */
+	/* val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); */
+
+	if (phy->band_idx == 2)
+		phy->mt76->cap.has_2ghz = true;
+	else
+		phy->mt76->cap.has_5ghz = true;
+}
+
+void bersa_eeprom_parse_hw_cap(struct bersa_dev *dev,
+				struct bersa_phy *phy)
+{
+	u8 nss, nss_band, nss_band_max, *eeprom = dev->mt76.eeprom.data;
+	struct mt76_phy *mphy = phy->mt76;
+	u8 phy_idx = bersa_get_phy_id(phy);
+
+	bersa_eeprom_parse_band_config(phy);
+
+	/* read tx/rx mask from eeprom */
+	nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+			eeprom[MT_EE_WIFI_CONF + phy->band_idx]);
+
+	if (!nss || nss > 4)
+		nss = 4;
+
+	/* read tx/rx stream */
+	nss_band = nss;
+
+	if (dev->dbdc_support) {
+		nss_band = FIELD_GET(MT_EE_WIFI_CONF_STREAM_NUM,
+				     eeprom[MT_EE_WIFI_CONF + 2 + phy->band_idx]);
+
+		nss_band_max = MT_EE_NSS_MAX_DBDC_MA7986;
+	} else {
+		nss_band_max = MT_EE_NSS_MAX_MA7986;
+	}
+
+	if (!nss_band || nss_band > nss_band_max)
+		nss_band = nss_band_max;
+
+	if (nss_band > nss) {
+		dev_warn(dev->mt76.dev,
+			 "nss mismatch, nss(%d) nss_band(%d) band(%d) phy_id(%d)\n",
+			 nss, nss_band, phy->band_idx, phy_idx);
+		nss = nss_band;
+	}
+
+	mphy->chainmask = BIT(nss) - 1;
+	switch (phy_idx) {
+	case MT_MAIN_PHY:
+		dev->chain_shift_ext = hweight8(mphy->chainmask);
+		dev->chain_shift_tri = dev->chain_shift_ext;
+		break;
+	case MT_EXT_PHY:
+		mphy->chainmask <<= dev->chain_shift_ext;
+		dev->chain_shift_tri += hweight8(mphy->chainmask);
+		break;
+	case MT_TRI_PHY:
+		mphy->chainmask <<= dev->chain_shift_tri;
+		break;
+	default:
+		break;
+	}
+	mphy->antenna_mask = BIT(nss_band) - 1;
+	dev->chainmask |= mphy->chainmask;
+
+	dev_err(dev->mt76.dev,
+		 "nss info, nss(%d) nss_band(%d) band(%d) phy_id(%d) chainmask(%08x) antenna_mask(%02x) dev chainmask(%08x)\n",
+		 nss, nss_band, phy->band_idx, phy_idx,
+		 mphy->chainmask, mphy->antenna_mask, dev->chainmask);
+}
+
+int bersa_eeprom_init(struct bersa_dev *dev)
+{
+	int ret;
+
+	ret = bersa_eeprom_load(dev);
+	if (ret < 0) {
+		if (ret != -EINVAL)
+			return ret;
+
+		dev_warn(dev->mt76.dev, "eeprom load fail, use default bin\n");
+		ret = bersa_eeprom_load_default(dev);
+		if (ret)
+			return ret;
+	}
+
+	ret = bersa_eeprom_load_precal(dev);
+	if (ret)
+		return ret;
+
+	bersa_eeprom_parse_hw_cap(dev, &dev->phy);
+	memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+	       ETH_ALEN);
+
+	mt76_eeprom_override(&dev->mphy);
+
+	return 0;
+}
+
+int bersa_eeprom_get_target_power(struct bersa_dev *dev,
+				   struct ieee80211_channel *chan,
+				   u8 chain_idx)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	int index, target_power;
+	bool tssi_on;
+
+	if (chain_idx > 3)
+		return -EINVAL;
+
+	tssi_on = bersa_tssi_enabled(dev, chan->band);
+
+	if (chan->band == NL80211_BAND_2GHZ) {
+		index = MT_EE_TX0_POWER_2G_V2 + chain_idx * 3;
+		target_power = eeprom[index];
+
+		if (!tssi_on)
+			target_power += eeprom[index + 1];
+	} else {
+		int group = bersa_get_channel_group(chan->hw_value);
+
+		index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 12;
+		target_power = eeprom[index + group];
+
+		if (!tssi_on)
+			target_power += eeprom[index + 8];
+	}
+
+	return target_power;
+}
+
+s8 bersa_eeprom_get_power_delta(struct bersa_dev *dev, int band)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	u32 val;
+	s8 delta;
+
+	if (band == NL80211_BAND_2GHZ)
+		val = eeprom[MT_EE_RATE_DELTA_2G_V2];
+	else
+		val = eeprom[MT_EE_RATE_DELTA_5G_V2];
+
+	if (!(val & MT_EE_RATE_DELTA_EN))
+		return 0;
+
+	delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);
+
+	return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta;
+}
+
+const u8 bersa_sku_group_len[] = {
+	[SKU_CCK] = 4,
+	[SKU_OFDM] = 8,
+	[SKU_HT_BW20] = 8,
+	[SKU_HT_BW40] = 9,
+	[SKU_VHT_BW20] = 12,
+	[SKU_VHT_BW40] = 12,
+	[SKU_VHT_BW80] = 12,
+	[SKU_VHT_BW160] = 12,
+	[SKU_HE_RU26] = 12,
+	[SKU_HE_RU52] = 12,
+	[SKU_HE_RU106] = 12,
+	[SKU_HE_RU242] = 12,
+	[SKU_HE_RU484] = 12,
+	[SKU_HE_RU996] = 12,
+	[SKU_HE_RU2x996] = 12
+};