From 7f1319357888271ea4aeeda81723b19a8f5ef2c0 Mon Sep 17 00:00:00 2001
From: Sujuan Chen <sujuan.chen@mediatek.com>
Date: Mon, 18 Sep 2023 11:05:45 +0800
Subject: [PATCH] add-wed-ser-support

---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c  |   8 +
 drivers/net/ethernet/mediatek/mtk_wed.c      | 391 ++++++++++++++-----
 drivers/net/ethernet/mediatek/mtk_wed.h      |  10 +
 drivers/net/ethernet/mediatek/mtk_wed_regs.h |   9 +
 include/linux/soc/mediatek/mtk_wed.h         |  25 +-
 5 files changed, 342 insertions(+), 101 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 268c9e7..a24b223 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4619,6 +4619,9 @@ static void mtk_pending_work(struct work_struct *work)
 	for (i = 0; i < MTK_MAC_COUNT; i++) {
 		if (!eth->netdev[i])
 			continue;
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+		mtk_wed_fe_reset();
+#else
 		if (mtk_reset_flag == MTK_FE_STOP_TRAFFIC) {
 			pr_info("send MTK_FE_STOP_TRAFFIC event\n");
 			call_netdevice_notifiers(MTK_FE_STOP_TRAFFIC,
@@ -4644,6 +4647,7 @@ static void mtk_pending_work(struct work_struct *work)
 			pr_warn("wait for MTK_FE_START_RESET\n");
 		}
 		rtnl_lock();
+#endif
 		break;
 	}
 
@@ -4682,6 +4686,9 @@ static void mtk_pending_work(struct work_struct *work)
 	for (i = 0; i < MTK_MAC_COUNT; i++) {
 		if (!eth->netdev[i])
 			continue;
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+		mtk_wed_fe_reset_complete();
+#else
 		if (mtk_reset_flag == MTK_FE_STOP_TRAFFIC) {
 			pr_info("send MTK_FE_START_TRAFFIC event\n");
 			call_netdevice_notifiers(MTK_FE_START_TRAFFIC,
@@ -4691,6 +4698,7 @@ static void mtk_pending_work(struct work_struct *work)
 			call_netdevice_notifiers(MTK_FE_RESET_DONE,
 				eth->netdev[i]);
 		}
+#endif
 		call_netdevice_notifiers(MTK_FE_RESET_NAT_DONE,
 			eth->netdev[i]);
 		break;
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index ad9f3d5..b993f0e 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -13,8 +13,10 @@
 #include <linux/debugfs.h>
 #include <linux/iopoll.h>
 #include <linux/soc/mediatek/mtk_wed.h>
+#include <net/rtnetlink.h>
 
 #include "mtk_eth_soc.h"
+#include "mtk_eth_reset.h"
 #include "mtk_wed_regs.h"
 #include "mtk_wed.h"
 #include "mtk_ppe.h"
@@ -80,10 +82,13 @@ mtk_wdma_rx_reset(struct mtk_wed_device *dev)
 
 	wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_DMA_EN);
 	ret = readx_poll_timeout(mtk_wdma_read_reset, dev, status,
-				 !(status & mask), 0, 1000)
+				 !(status & mask), 0, 10000);
 	if (ret)
 		dev_err(dev->hw->dev, "rx reset failed \n");
 
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+
 	for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) {
 		if (!dev->rx_wdma[i].desc)
 			continue;
@@ -91,6 +96,8 @@ mtk_wdma_rx_reset(struct mtk_wed_device *dev)
 		wdma_w32(dev,
 			 MTK_WDMA_RING_RX(i) + MTK_WED_RING_OFS_CPU_IDX, 0);
 	}
+
+	return ret;
 }
 
 static void
@@ -101,16 +108,15 @@ mtk_wdma_tx_reset(struct mtk_wed_device *dev)
 
 	wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN);
 	if (readx_poll_timeout(mtk_wdma_read_reset, dev, status,
-			       !(status & mask), 0, 1000))
+			       !(status & mask), 0, 10000))
 		dev_err(dev->hw->dev, "tx reset failed \n");
 
-	for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++) {
-		if (!dev->tx_wdma[i].desc)
-			continue;
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_TX);
+	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
 
+	for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++)
 		wdma_w32(dev,
 			 MTK_WDMA_RING_TX(i) + MTK_WED_RING_OFS_CPU_IDX, 0);
-	}
 }
 
 static void
@@ -176,6 +182,59 @@ mtk_wed_wo_reset(struct mtk_wed_device *dev)
 	iounmap((void *)reg);
 }
 
+void mtk_wed_fe_reset(void)
+{
+	int i;
+
+	mutex_lock(&hw_lock);
+
+	for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
+		struct mtk_wed_hw *hw = hw_list[i];
+		struct mtk_wed_device *dev;
+		int err;
+
+		if (!hw)
+			break;
+
+		dev = hw->wed_dev;
+		if (!dev || !dev->wlan.reset)
+			continue;
+
+		pr_info("%s: receive fe reset start event, trigger SER\n", __func__);
+
+		/* reset callback blocks until WLAN reset is completed */
+		err = dev->wlan.reset(dev);
+		if (err)
+			dev_err(dev->dev, "wlan reset failed: %d\n", err);
+	}
+
+	mutex_unlock(&hw_lock);
+}
+
+void mtk_wed_fe_reset_complete(void)
+{
+	int i;
+
+	mutex_lock(&hw_lock);
+
+	for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
+		struct mtk_wed_hw *hw = hw_list[i];
+		struct mtk_wed_device *dev;
+
+		if (!hw)
+			break;
+
+		dev = hw->wed_dev;
+		if (!dev || !dev->wlan.reset_complete)
+			continue;
+
+		pr_info("%s: receive fe reset done event, continue SER\n", __func__);
+		dev->wlan.reset_complete(dev);
+	}
+
+	mutex_unlock(&hw_lock);
+}
+
 static struct mtk_wed_hw *
 mtk_wed_assign(struct mtk_wed_device *dev)
 {
@@ -473,8 +532,8 @@ mtk_wed_check_wfdma_rx_fill(struct mtk_wed_device *dev, int idx)
 	}
 
 	if (i == 3) {
-		dev_err(dev->hw->dev, "mtk_wed%d: rx dma enable failed!\n",
-			       dev->hw->index);
+		dev_err(dev->hw->dev, "mtk_wed%d: rx(%d) dma enable failed!\n",
+			       dev->hw->index, idx);
 		return;
 	}
 
@@ -522,16 +581,8 @@ mtk_wed_dma_disable(struct mtk_wed_device *dev)
 static void
 mtk_wed_stop(struct mtk_wed_device *dev)
 {
-	mtk_wed_dma_disable(dev);
-
 	mtk_wed_set_ext_int(dev, false);
 
-	wed_clr(dev, MTK_WED_CTRL,
-		MTK_WED_CTRL_WDMA_INT_AGENT_EN |
-		MTK_WED_CTRL_WPDMA_INT_AGENT_EN |
-		MTK_WED_CTRL_WED_TX_BM_EN |
-		MTK_WED_CTRL_WED_TX_FREE_AGENT_EN);
-
 	wed_w32(dev, MTK_WED_WPDMA_INT_TRIGGER, 0);
 	wed_w32(dev, MTK_WED_WDMA_INT_TRIGGER, 0);
 	wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
@@ -543,39 +594,49 @@ mtk_wed_stop(struct mtk_wed_device *dev)
 
 	wed_w32(dev, MTK_WED_EXT_INT_MASK1, 0);
 	wed_w32(dev, MTK_WED_EXT_INT_MASK2, 0);
-	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_RX_BM_EN);
-
 }
 
 static void
-mtk_wed_detach(struct mtk_wed_device *dev)
+mtk_wed_deinit(struct mtk_wed_device *dev)
 {
-	struct device_node *wlan_node;
-	struct mtk_wed_hw *hw = dev->hw;
+	mtk_wed_stop(dev);
+	mtk_wed_dma_disable(dev);
 
-	mutex_lock(&hw_lock);
+	wed_clr(dev, MTK_WED_CTRL,
+		MTK_WED_CTRL_WDMA_INT_AGENT_EN |
+		MTK_WED_CTRL_WPDMA_INT_AGENT_EN |
+		MTK_WED_CTRL_WED_TX_BM_EN |
+		MTK_WED_CTRL_WED_TX_FREE_AGENT_EN);
 
-	mtk_wed_stop(dev);
+	if (dev->hw->version == 1)
+		return;
 
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+	wed_clr(dev, MTK_WED_CTRL,
+		MTK_WED_CTRL_RX_ROUTE_QM_EN |
+		MTK_WED_CTRL_WED_RX_BM_EN |
+		MTK_WED_CTRL_RX_RRO_QM_EN);
+}
 
-	mtk_wed_reset(dev, MTK_WED_RESET_WED);
+static void
+__mtk_wed_detach(struct mtk_wed_device *dev)
+{
+	struct device_node *wlan_node;
+	struct mtk_wed_hw *hw = dev->hw;
 
-	if (mtk_wed_get_rx_capa(dev)) {
-		wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN);
-		wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_TX);
-		wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
-	}
+	mtk_wed_deinit(dev);
 
+	mtk_wdma_rx_reset(dev);
+	mtk_wed_reset(dev, MTK_WED_RESET_WED);
 	mtk_wed_free_tx_buffer(dev);
 	mtk_wed_free_tx_rings(dev);
 
 	if (mtk_wed_get_rx_capa(dev)) {
-		mtk_wed_wo_reset(dev);
+		if(hw->wed_wo)
+			mtk_wed_wo_reset(dev);
 		mtk_wed_free_rx_rings(dev);
-		mtk_wed_wo_exit(hw);
-		mtk_wdma_rx_reset(dev);
+		if(hw->wed_wo)
+			mtk_wed_wo_exit(hw);
+		mtk_wdma_tx_reset(dev);
 	}
 
 	if (dev->wlan.bus_type == MTK_WED_BUS_PCIE) {
@@ -593,6 +654,13 @@ mtk_wed_detach(struct mtk_wed_device *dev)
 	module_put(THIS_MODULE);
 
 	hw->wed_dev = NULL;
+}
+
+static void
+mtk_wed_detach(struct mtk_wed_device *dev)
+{
+	mutex_lock(&hw_lock);
+	__mtk_wed_detach(dev);
 	mutex_unlock(&hw_lock);
 }
 
@@ -665,7 +733,7 @@ mtk_wed_hw_init_early(struct mtk_wed_device *dev)
 {
 	u32 mask, set;
 
-	mtk_wed_stop(dev);
+	mtk_wed_deinit(dev);
 	mtk_wed_reset(dev, MTK_WED_RESET_WED);
 	mtk_wed_set_wpdma(dev);
 
@@ -715,7 +783,6 @@ mtk_wed_rro_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring,
 
 	ring->desc_size = sizeof(*ring->desc);
 	ring->size = size;
-	memset(ring->desc, 0, size);
 
 	return 0;
 }
@@ -938,44 +1005,140 @@ mtk_wed_ring_reset(struct mtk_wed_ring *ring, int size, bool tx)
 }
 
 static u32
-mtk_wed_check_busy(struct mtk_wed_device *dev)
+mtk_wed_check_busy(struct mtk_wed_device *dev, u32 reg, u32 mask)
 {
-	if (wed_r32(dev, MTK_WED_GLO_CFG) & MTK_WED_GLO_CFG_TX_DMA_BUSY)
-		return true;
-
-	if (wed_r32(dev, MTK_WED_WPDMA_GLO_CFG) &
-	    MTK_WED_WPDMA_GLO_CFG_TX_DRV_BUSY)
-		return true;
-
-	if (wed_r32(dev, MTK_WED_CTRL) & MTK_WED_CTRL_WDMA_INT_AGENT_BUSY)
-		return true;
-
-	if (wed_r32(dev, MTK_WED_WDMA_GLO_CFG) &
-	    MTK_WED_WDMA_GLO_CFG_RX_DRV_BUSY)
-		return true;
-
-	if (wdma_r32(dev, MTK_WDMA_GLO_CFG) &
-	    MTK_WED_WDMA_GLO_CFG_RX_DRV_BUSY)
-		return true;
-
-	if (wed_r32(dev, MTK_WED_CTRL) &
-	    (MTK_WED_CTRL_WED_TX_BM_BUSY | MTK_WED_CTRL_WED_TX_FREE_AGENT_BUSY))
+	if (wed_r32(dev, reg) & mask)
 		return true;
 
 	return false;
 }
 
 static int
-mtk_wed_poll_busy(struct mtk_wed_device *dev)
+mtk_wed_poll_busy(struct mtk_wed_device *dev, u32 reg, u32 mask)
 {
-	int sleep = 15000;
+	int sleep = 1000;
 	int timeout = 100 * sleep;
 	u32 val;
 
 	return read_poll_timeout(mtk_wed_check_busy, val, !val, sleep,
-				 timeout, false, dev);
+				 timeout, false, dev, reg, mask);
 }
 
+static int
+mtk_wed_rx_reset(struct mtk_wed_device *dev)
+{
+	struct mtk_wed_wo *wo = dev->hw->wed_wo;
+	u8 val = WO_STATE_SER_RESET;
+	int i, ret;
+
+	ret = mtk_wed_mcu_send_msg(wo, MTK_WED_MODULE_ID_WO,
+				   MTK_WED_WO_CMD_CHANGE_STATE, &val,
+				   sizeof(val), true);
+
+	if (ret)
+		return ret;
+
+	wed_clr(dev, MTK_WED_WPDMA_RX_D_GLO_CFG, MTK_WED_WPDMA_RX_D_RX_DRV_EN);
+	ret = mtk_wed_poll_busy(dev, MTK_WED_WPDMA_RX_D_GLO_CFG,
+				MTK_WED_WPDMA_RX_D_RX_DRV_BUSY);
+	if (ret) {
+		mtk_wed_reset(dev, MTK_WED_RESET_WPDMA_INT_AGENT);
+		mtk_wed_reset(dev, MTK_WED_RESET_WPDMA_RX_D_DRV);
+	} else {
+		wed_w32(dev, MTK_WED_WPDMA_RX_D_RST_IDX,
+			MTK_WED_WPDMA_RX_D_RST_CRX_IDX |
+			MTK_WED_WPDMA_RX_D_RST_DRV_IDX);
+
+		wed_set(dev, MTK_WED_WPDMA_RX_D_GLO_CFG,
+			MTK_WED_WPDMA_RX_D_RST_INIT_COMPLETE |
+			MTK_WED_WPDMA_RX_D_FSM_RETURN_IDLE);
+		wed_clr(dev, MTK_WED_WPDMA_RX_D_GLO_CFG,
+			MTK_WED_WPDMA_RX_D_RST_INIT_COMPLETE |
+			MTK_WED_WPDMA_RX_D_FSM_RETURN_IDLE);
+
+		wed_w32(dev, MTK_WED_WPDMA_RX_D_RST_IDX, 0);
+	}
+
+	/* reset rro qm */
+	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_RX_RRO_QM_EN);
+	ret = mtk_wed_poll_busy(dev, MTK_WED_CTRL,
+				MTK_WED_CTRL_RX_RRO_QM_BUSY);
+	if (ret) {
+		mtk_wed_reset(dev, MTK_WED_RESET_RX_RRO_QM);
+	} else {
+		wed_set(dev, MTK_WED_RROQM_RST_IDX,
+			MTK_WED_RROQM_RST_IDX_MIOD |
+			MTK_WED_RROQM_RST_IDX_FDBK);
+		wed_w32(dev, MTK_WED_RROQM_RST_IDX, 0);
+	}
+
+	/* reset route qm */
+	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_RX_ROUTE_QM_EN);
+	ret = mtk_wed_poll_busy(dev, MTK_WED_CTRL,
+				MTK_WED_CTRL_RX_ROUTE_QM_BUSY);
+	if (ret) {
+		mtk_wed_reset(dev, MTK_WED_RESET_RX_ROUTE_QM);
+	} else {
+		wed_set(dev, MTK_WED_RTQM_GLO_CFG,
+			MTK_WED_RTQM_Q_RST);
+	}
+
+	/* reset tx wdma */
+	mtk_wdma_tx_reset(dev);
+
+	/* reset tx wdma drv */
+	wed_clr(dev, MTK_WED_WDMA_GLO_CFG, MTK_WED_WDMA_GLO_CFG_TX_DRV_EN);
+	mtk_wed_poll_busy(dev, MTK_WED_CTRL,
+			  MTK_WED_CTRL_WDMA_INT_AGENT_BUSY);
+	mtk_wed_reset(dev, MTK_WED_RESET_WDMA_TX_DRV);
+
+	/* reset wed rx dma */
+	ret = mtk_wed_poll_busy(dev, MTK_WED_GLO_CFG,
+				MTK_WED_GLO_CFG_RX_DMA_BUSY);
+	wed_clr(dev, MTK_WED_GLO_CFG, MTK_WED_GLO_CFG_RX_DMA_EN);
+	if (ret) {
+		mtk_wed_reset(dev, MTK_WED_RESET_WED_RX_DMA);
+	} else {
+		struct mtk_eth *eth = dev->hw->eth;
+
+		if(MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
+			wed_set(dev, MTK_WED_RESET_IDX,
+				MTK_WED_RESET_IDX_RX_V2);
+		else
+			wed_set(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_RX);
+		wed_w32(dev, MTK_WED_RESET_IDX, 0);
+	}
+
+	/* reset rx bm */
+	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_RX_BM_EN);
+	mtk_wed_poll_busy(dev, MTK_WED_CTRL,
+			  MTK_WED_CTRL_WED_RX_BM_BUSY);
+	mtk_wed_reset(dev, MTK_WED_RESET_RX_BM);
+
+	/* wo change to enable state */
+	val = WO_STATE_ENABLE;
+	ret = mtk_wed_mcu_send_msg(wo, MTK_WED_MODULE_ID_WO,
+				   MTK_WED_WO_CMD_CHANGE_STATE, &val,
+				   sizeof(val), true);
+
+	if (ret)
+		return ret;
+
+	/* wed_rx_ring_reset */
+	for (i = 0; i < ARRAY_SIZE(dev->rx_ring); i++) {
+		if (!dev->rx_ring[i].desc)
+			continue;
+
+		mtk_wed_ring_reset(&dev->rx_ring[i], MTK_WED_RX_RING_SIZE,
+				   false);
+	}
+
+	mtk_wed_free_rx_buffer(dev);
+
+	return 0;
+}
+
+
 static void
 mtk_wed_reset_dma(struct mtk_wed_device *dev)
 {
@@ -991,22 +1154,25 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
 				   true);
 	}
 
-	if (mtk_wed_poll_busy(dev))
-		busy = mtk_wed_check_busy(dev);
+	/* 1.Reset WED Tx DMA */
+	wed_clr(dev, MTK_WED_GLO_CFG, MTK_WED_GLO_CFG_TX_DMA_EN);
+	busy = mtk_wed_poll_busy(dev, MTK_WED_GLO_CFG,
+				 MTK_WED_GLO_CFG_TX_DMA_BUSY);
 
 	if (busy) {
 		mtk_wed_reset(dev, MTK_WED_RESET_WED_TX_DMA);
 	} else {
-		wed_w32(dev, MTK_WED_RESET_IDX,
-			MTK_WED_RESET_IDX_TX |
-			MTK_WED_RESET_IDX_RX);
+		wed_w32(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_TX);
 		wed_w32(dev, MTK_WED_RESET_IDX, 0);
 	}
 
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
-	wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+	/* 2. Reset WDMA Rx DMA/Driver_Engine */
+	busy = !!mtk_wdma_rx_reset(dev);
 
-	mtk_wdma_rx_reset(dev);
+	wed_clr(dev, MTK_WED_WDMA_GLO_CFG, MTK_WED_WDMA_GLO_CFG_RX_DRV_EN);
+	if (!busy)
+		busy = mtk_wed_poll_busy(dev, MTK_WED_WDMA_GLO_CFG,
+					 MTK_WED_WDMA_GLO_CFG_RX_DRV_BUSY);
 
 	if (busy) {
 		mtk_wed_reset(dev, MTK_WED_RESET_WDMA_INT_AGENT);
@@ -1023,6 +1189,9 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
 			MTK_WED_WDMA_GLO_CFG_RST_INIT_COMPLETE);
 	}
 
+	/* 3. Reset WED WPDMA Tx Driver Engine */
+	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_TX_FREE_AGENT_EN);
+
 	for (i = 0; i < 100; i++) {
 		val = wed_r32(dev, MTK_WED_TX_BM_INTF);
 		if (FIELD_GET(MTK_WED_TX_BM_INTF_TKFIFO_FDEP, val) == 0x40)
@@ -1030,8 +1199,21 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
 	}
 
 	mtk_wed_reset(dev, MTK_WED_RESET_TX_FREE_AGENT);
+	wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_TX_BM_EN);
 	mtk_wed_reset(dev, MTK_WED_RESET_TX_BM);
 
+	/* 4. Reset WED WPDMA Tx Driver Engine */
+	busy = mtk_wed_poll_busy(dev, MTK_WED_WPDMA_GLO_CFG,
+				 MTK_WED_WPDMA_GLO_CFG_TX_DRV_BUSY);
+
+	wed_clr(dev, MTK_WED_WPDMA_GLO_CFG,
+		MTK_WED_WPDMA_GLO_CFG_TX_DRV_EN |
+		MTK_WED_WPDMA_GLO_CFG_RX_DRV_EN);
+
+	if(!busy)
+		mtk_wed_poll_busy(dev, MTK_WED_WPDMA_GLO_CFG,
+				  MTK_WED_WPDMA_GLO_CFG_RX_DRV_BUSY);
+
 	if (busy) {
 		mtk_wed_reset(dev, MTK_WED_RESET_WPDMA_INT_AGENT);
 		mtk_wed_reset(dev, MTK_WED_RESET_WPDMA_TX_DRV);
@@ -1043,6 +1225,16 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
 		wed_w32(dev, MTK_WED_WPDMA_RESET_IDX, 0);
 	}
 
+	dev->init_done = false;
+	if (dev->hw->version == 1)
+		return;
+
+	if (!busy) {
+		wed_w32(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_WPDMA_IDX_RX);
+		wed_w32(dev, MTK_WED_RESET_IDX, 0);
+	}
+
+	mtk_wed_rx_reset(dev);
 }
 
 static int
@@ -1062,7 +1254,8 @@ mtk_wed_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring,
 }
 
 static int
-mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
+mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size,
+			   bool reset)
 {
 	u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
 	struct mtk_wed_ring *wdma;
@@ -1071,8 +1264,8 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
 		return -EINVAL;
 
 	wdma = &dev->rx_wdma[idx];
-	if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size,
-			       true))
+	if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
+					 desc_size, true))
 		return -ENOMEM;
 
 	wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE,
@@ -1090,7 +1283,8 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
 }
 
 static int
-mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
+mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size,
+			   bool reset)
 {
 	u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
 	struct mtk_wed_ring *wdma;
@@ -1099,8 +1293,8 @@ mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
 		return -EINVAL;
 
 	wdma = &dev->tx_wdma[idx];
-	if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
-			       desc_size, true))
+	if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
+					 desc_size, true))
 		return -ENOMEM;
 
 	wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_BASE,
@@ -1112,6 +1306,9 @@ mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
 	wdma_w32(dev,
 		 MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_DMA_IDX, 0);
 
+	if (reset)
+		mtk_wed_ring_reset(wdma, MTK_WED_WDMA_RING_SIZE, true);
+
 	if (!idx)  {
 		wed_w32(dev, MTK_WED_WDMA_RING_TX + MTK_WED_RING_OFS_BASE,
 			wdma->desc_phys);
@@ -1267,9 +1464,12 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
 {
 	int i;
 
+	if (mtk_wed_get_rx_capa(dev) && mtk_wed_rx_buffer_alloc(dev))
+		return;
+
 	for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++)
 		if (!dev->rx_wdma[i].desc)
-			mtk_wed_wdma_rx_ring_setup(dev, i, 16);
+			mtk_wed_wdma_rx_ring_setup(dev, i, 16, false);
 
 
 	mtk_wed_hw_init(dev);
@@ -1278,10 +1478,9 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
 	mtk_wed_set_ext_int(dev, true);
 
 	if (dev->hw->version == 1) {
-		u32 val;
-
-		val = dev->wlan.wpdma_phys | MTK_PCIE_MIRROR_MAP_EN |
-		      FIELD_PREP(MTK_PCIE_MIRROR_MAP_WED_ID, dev->hw->index);
+		u32 val = dev->wlan.wpdma_phys | MTK_PCIE_MIRROR_MAP_EN |
+			  FIELD_PREP(MTK_PCIE_MIRROR_MAP_WED_ID,
+				     dev->hw->index);
 
 		val |= BIT(0) | (BIT(1) * !!dev->hw->index);
 		regmap_write(dev->hw->mirror, dev->hw->index * 4, val);
@@ -1353,10 +1552,6 @@ mtk_wed_attach(struct mtk_wed_device *dev)
 		goto out;
 
 	if (mtk_wed_get_rx_capa(dev)) {
-		ret = mtk_wed_rx_buffer_alloc(dev);
-		if (ret)
-			goto out;
-
 		ret = mtk_wed_rro_alloc(dev);
 		if (ret)
 			goto out;
@@ -1364,6 +1559,10 @@ mtk_wed_attach(struct mtk_wed_device *dev)
 
 	mtk_wed_hw_init_early(dev);
 
+	init_completion(&dev->fe_reset_done);
+	init_completion(&dev->wlan_reset_done);
+	atomic_set(&dev->fe_reset, 0);
+
 	if (hw->version == 1) {
 		regmap_update_bits(hw->hifsys, HIFSYS_DMA_AG_MAP,
 				   BIT(hw->index), 0);
@@ -1373,8 +1572,10 @@ mtk_wed_attach(struct mtk_wed_device *dev)
 	}
 
 out:
-	if (ret)
-		mtk_wed_detach(dev);
+	if (ret) {
+		dev_err(dev->hw->dev, "failed to attach wed device\n");
+		__mtk_wed_detach(dev);
+	}
 unlock:
 	mutex_unlock(&hw_lock);
 
@@ -1382,7 +1583,8 @@ mtk_wed_attach(struct mtk_wed_device *dev)
 }
 
 static int
-mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
+mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx,
+		void __iomem *regs, bool reset)
 {
 	struct mtk_wed_ring *ring = &dev->tx_ring[idx];
 
@@ -1401,11 +1603,12 @@ mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
 	if (WARN_ON(idx >= ARRAY_SIZE(dev->tx_ring)))
 		return -EINVAL;
 
-	if (mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE,
-			       sizeof(*ring->desc), true))
+	if (!reset && mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE,
+					 sizeof(*ring->desc), true))
 		return -ENOMEM;
 
-	if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
+	if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE,
+				       reset))
 		return -ENOMEM;
 
 	ring->reg_base = MTK_WED_RING_TX(idx);
@@ -1450,18 +1653,20 @@ mtk_wed_txfree_ring_setup(struct mtk_wed_device *dev, void __iomem *regs)
 }
 
 static int
-mtk_wed_rx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
+mtk_wed_rx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs,
+		      bool reset)
 {
 	struct mtk_wed_ring *ring = &dev->rx_ring[idx];
 
 	if (WARN_ON(idx >= ARRAY_SIZE(dev->rx_ring)))
 		return -EINVAL;
 
-	if (mtk_wed_ring_alloc(dev, ring, MTK_WED_RX_RING_SIZE,
-			       sizeof(*ring->desc), false))
+	if (!reset && mtk_wed_ring_alloc(dev, ring, MTK_WED_RX_RING_SIZE,
+					 sizeof(*ring->desc), false))
 		return -ENOMEM;
 
-	if (mtk_wed_wdma_tx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
+	if (mtk_wed_wdma_tx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE,
+				       reset))
 		return -ENOMEM;
 
 	ring->reg_base = MTK_WED_RING_RX_DATA(idx);
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h
index 1bfd96f..2ce1a5b 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed.h
@@ -160,6 +160,9 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
 void mtk_wed_exit(void);
 int mtk_wed_flow_add(int index);
 void mtk_wed_flow_remove(int index);
+void mtk_wed_fe_reset(void);
+void mtk_wed_fe_reset_complete(void);
+
 #else
 static inline void
 mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
@@ -178,6 +181,13 @@ static inline int mtk_wed_flow_add(int index)
 static inline void mtk_wed_flow_remove(int index)
 {
 }
+static inline void mtk_wed_fe_reset(void)
+{
+}
+
+static inline void mtk_wed_fe_reset_complete(void)
+{
+}
 #endif
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_regs.h b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
index a79305f..645b8b1 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_regs.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
@@ -32,11 +32,15 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_RESET					0x008
 #define MTK_WED_RESET_TX_BM				BIT(0)
+#define MTK_WED_RESET_RX_BM				BIT(1)
 #define MTK_WED_RESET_TX_FREE_AGENT			BIT(4)
 #define MTK_WED_RESET_WPDMA_TX_DRV			BIT(8)
 #define MTK_WED_RESET_WPDMA_RX_DRV			BIT(9)
+#define MTK_WED_RESET_WPDMA_RX_D_DRV			BIT(10)
 #define MTK_WED_RESET_WPDMA_INT_AGENT			BIT(11)
 #define MTK_WED_RESET_WED_TX_DMA			BIT(12)
+#define MTK_WED_RESET_WED_RX_DMA			BIT(13)
+#define MTK_WED_RESET_WDMA_TX_DRV			BIT(16)
 #define MTK_WED_RESET_WDMA_RX_DRV			BIT(17)
 #define MTK_WED_RESET_WDMA_INT_AGENT			BIT(19)
 #define MTK_WED_RESET_RX_RRO_QM				BIT(20)
@@ -174,6 +178,8 @@ struct mtk_wdma_desc {
 #define MTK_WED_RESET_IDX				0x20c
 #define MTK_WED_RESET_IDX_TX				GENMASK(3, 0)
 #define MTK_WED_RESET_IDX_RX				GENMASK(17, 16)
+#define MTK_WED_RESET_IDX_RX_V2				GENMASK(7, 6)
+#define MTK_WED_RESET_WPDMA_IDX_RX			GENMASK(31, 30)
 
 #define MTK_WED_TX_MIB(_n)				(0x2a0 + (_n) * 4)
 #define MTK_WED_RX_MIB(_n)				(0x2e0 + (_n) * 4)
@@ -287,6 +293,9 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_WPDMA_RX_D_GLO_CFG			0x75c
 #define MTK_WED_WPDMA_RX_D_RX_DRV_EN			BIT(0)
+#define MTK_WED_WPDMA_RX_D_RX_DRV_BUSY			BIT(1)
+#define MTK_WED_WPDMA_RX_D_FSM_RETURN_IDLE		BIT(3)
+#define MTK_WED_WPDMA_RX_D_RST_INIT_COMPLETE		BIT(4)
 #define MTK_WED_WPDMA_RX_D_INIT_PHASE_RXEN_SEL		GENMASK(11, 7)
 #define MTK_WED_WPDMA_RX_D_RXD_READ_LEN			GENMASK(31, 24)
 
diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h
index 658f392..6772ea8 100644
--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -151,16 +151,21 @@ struct mtk_wed_device {
 		void (*release_rx_buf)(struct mtk_wed_device *wed);
 		void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
 					   struct mtk_wed_wo_rx_stats *stats);
+		int (*reset)(struct mtk_wed_device *wed);
+		void (*reset_complete)(struct mtk_wed_device *wed);
 	} wlan;
+	struct completion fe_reset_done;
+	struct completion wlan_reset_done;
+	atomic_t fe_reset;
 #endif
 };
 
 struct mtk_wed_ops {
 	int (*attach)(struct mtk_wed_device *dev);
 	int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
-			     void __iomem *regs);
+			     void __iomem *regs, bool reset);
 	int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
-			     void __iomem *regs);
+			     void __iomem *regs, bool reset);
 	int (*txfree_ring_setup)(struct mtk_wed_device *dev,
 				 void __iomem *regs);
 	int (*msg_update)(struct mtk_wed_device *dev, int cmd_id,
@@ -216,8 +221,8 @@ mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
 #define mtk_wed_device_active(_dev) !!(_dev)->ops
 #define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
 #define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask)
-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) \
-	(_dev)->ops->tx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \
+	(_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset)
 #define mtk_wed_device_txfree_ring_setup(_dev, _regs) \
 	(_dev)->ops->txfree_ring_setup(_dev, _regs)
 #define mtk_wed_device_reg_read(_dev, _reg) \
@@ -228,12 +233,14 @@ mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
 	(_dev)->ops->irq_get(_dev, _mask)
 #define mtk_wed_device_irq_set_mask(_dev, _mask) \
 	(_dev)->ops->irq_set_mask(_dev, _mask)
-#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) \
-	(_dev)->ops->rx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) \
+	(_dev)->ops->rx_ring_setup(_dev, _ring, _regs, reset)
 #define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \
 	(_dev)->ops->ppe_check(_dev, _skb, _reason, _hash)
 #define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \
 	(_dev)->ops->msg_update(_dev, _id, _msg, _len)
+#define mtk_wed_device_stop(_dev) (_dev)->ops->stop(_dev)
+#define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev)
 #else
 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 {
@@ -241,15 +248,17 @@ static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 }
 #define mtk_wed_device_detach(_dev) do {} while (0)
 #define mtk_wed_device_start(_dev, _mask) do {} while (0)
-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
 #define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
 #define mtk_wed_device_reg_read(_dev, _reg) 0
 #define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
 #define mtk_wed_device_irq_get(_dev, _mask) 0
 #define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
-#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
 #define mtk_wed_device_ppe_check(_dev, _hash)  do {} while (0)
 #define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV
+#define mtk_wed_device_stop(_dev) do {} while (0)
+#define mtk_wed_device_dma_reset(_dev) do {} while (0)
 #endif
 
 #endif
-- 
2.18.0