diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index 948cb79050ea..4539b673f6fd 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -10,6 +10,7 @@
 #include "fw.h"
 #include "debug.h"
 #include "phy.h"
+#include "reg.h"
 
 #ifdef CONFIG_RTW88_DEBUGFS
 
@@ -818,6 +819,40 @@ static int rtw_debugfs_get_coex_enable(struct seq_file *m, void *v)
 	return 0;
 }
 
+static ssize_t rtw_debugfs_set_fw_crash(struct file *filp,
+					const char __user *buffer,
+					size_t count, loff_t *loff)
+{
+	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
+	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
+	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
+	char tmp[32 + 1];
+	bool input;
+	int ret;
+
+	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1);
+
+	ret = kstrtobool(tmp, &input);
+	if (ret)
+		return -EINVAL;
+
+	if (!input)
+		return -EINVAL;
+
+	rtw_write8(rtwdev, REG_HRCV_MSG, 1);
+
+	return count;
+}
+
+static int rtw_debugfs_get_fw_crash(struct seq_file *m, void *v)
+{
+	struct rtw_debugfs_priv *debugfs_priv = m->private;
+	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
+
+	seq_printf(m, "%d\n", test_bit(RTW_FLAG_RESTARTING, rtwdev->flags));
+	return 0;
+}
+
 #define rtw_debug_impl_mac(page, addr)				\
 static struct rtw_debugfs_priv rtw_debug_priv_mac_ ##page = {	\
 	.cb_read = rtw_debug_get_mac_page,			\
@@ -921,6 +956,11 @@ static struct rtw_debugfs_priv rtw_debug_priv_coex_info = {
 	.cb_read = rtw_debugfs_get_coex_info,
 };
 
+static struct rtw_debugfs_priv rtw_debug_priv_fw_crash = {
+	.cb_write = rtw_debugfs_set_fw_crash,
+	.cb_read = rtw_debugfs_get_fw_crash,
+};
+
 #define rtw_debugfs_add_core(name, mode, fopname, parent)		\
 	do {								\
 		rtw_debug_priv_ ##name.rtwdev = rtwdev;			\
@@ -994,6 +1034,7 @@ void rtw_debugfs_init(struct rtw_dev *rtwdev)
 	}
 	rtw_debugfs_add_r(rf_dump);
 	rtw_debugfs_add_r(tx_pwr_tbl);
+	rtw_debugfs_add_rw(fw_crash);
 }
 
 #endif /* CONFIG_RTW88_DEBUGFS */
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index 59028b121b00..d1678aed9d9c 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -530,6 +530,25 @@ static int iddma_download_firmware(struct rtw_dev *rtwdev, u32 src, u32 dst,
 	return 0;
 }
 
+int rtw_ddma_to_fw_fifo(struct rtw_dev *rtwdev, u32 ocp_src, u32 size)
+{
+	u32 ch0_ctrl = BIT_DDMACH0_OWN | BIT_DDMACH0_DDMA_MODE;
+
+	if (!check_hw_ready(rtwdev, REG_DDMA_CH0CTRL, BIT_DDMACH0_OWN, 0)) {
+		rtw_dbg(rtwdev, RTW_DBG_FW, "busy to start ddma\n");
+		return -EBUSY;
+	}
+
+	ch0_ctrl |= size & BIT_MASK_DDMACH0_DLEN;
+
+	if (iddma_enable(rtwdev, ocp_src, OCPBASE_RXBUF_FW_88XX, ch0_ctrl)) {
+		rtw_dbg(rtwdev, RTW_DBG_FW, "busy to complete ddma\n");
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
 static bool
 check_fw_checksum(struct rtw_dev *rtwdev, u32 addr)
 {
diff --git a/drivers/net/wireless/realtek/rtw88/mac.h b/drivers/net/wireless/realtek/rtw88/mac.h
index ce64cdf7a565..3172aa5ac4de 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.h
+++ b/drivers/net/wireless/realtek/rtw88/mac.h
@@ -15,7 +15,10 @@
 #define ILLEGAL_KEY_GROUP	0xFAAAAA00
 
 /* HW memory address */
+#define OCPBASE_RXBUF_FW_88XX		0x18680000
 #define OCPBASE_TXBUF_88XX		0x18780000
+#define OCPBASE_ROM_88XX		0x00000000
+#define OCPBASE_IMEM_88XX		0x00030000
 #define OCPBASE_DMEM_88XX		0x00200000
 #define OCPBASE_EMEM_88XX		0x00100000
 
@@ -33,6 +36,7 @@ void rtw_mac_power_off(struct rtw_dev *rtwdev);
 int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw);
 int rtw_mac_init(struct rtw_dev *rtwdev);
 void rtw_mac_flush_queues(struct rtw_dev *rtwdev, u32 queues, bool drop);
+int rtw_ddma_to_fw_fifo(struct rtw_dev *rtwdev, u32 ocp_src, u32 size);
 
 static inline void rtw_mac_flush_all_queues(struct rtw_dev *rtwdev, bool drop)
 {
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index e6989c0525cc..35a90b8323b8 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -345,15 +345,9 @@ static bool rtw_fw_dump_crash_log(struct rtw_dev *rtwdev)
 			"fw crash dump's seq is wrong: %d\n", seq);
 		goto free_buf;
 	}
-	if (seq == 0 &&
-	    (GET_FW_DUMP_TLV_TYPE(buf) != FW_CD_TYPE ||
-	     GET_FW_DUMP_TLV_LEN(buf) != FW_CD_LEN ||
-	     GET_FW_DUMP_TLV_VAL(buf) != FW_CD_VAL)) {
-		rtw_dbg(rtwdev, RTW_DBG_FW, "fw crash dump's tlv is wrong\n");
-		goto free_buf;
-	}
 
-	print_hex_dump_bytes("rtw88 fw dump: ", DUMP_PREFIX_OFFSET, buf, size);
+	print_hex_dump(KERN_ERR, "rtw88 fw dump: ", DUMP_PREFIX_OFFSET, 16, 1,
+		       buf, size, true);
 
 	if (GET_FW_DUMP_MORE(buf) == 1) {
 		rtwdev->fw.prev_dump_seq = seq;
@@ -368,6 +362,78 @@ static bool rtw_fw_dump_crash_log(struct rtw_dev *rtwdev)
 	return ret;
 }
 
+int rtw_dump_fw(struct rtw_dev *rtwdev, const u32 ocp_src, u32 size,
+		const char *prefix_str)
+{
+	u32 rxff = rtwdev->chip->fw_rxff_size;
+	u32 dump_size, done_size = 0;
+	u8 *buf;
+	int ret;
+
+	buf = vzalloc(size);
+	if (!buf)
+		return -ENOMEM;
+
+	while (size) {
+		dump_size = size > rxff ? rxff : size;
+
+		ret = rtw_ddma_to_fw_fifo(rtwdev, ocp_src + done_size,
+					  dump_size);
+		if (ret) {
+			rtw_err(rtwdev,
+				"ddma fw 0x%x [+0x%x] to fw fifo fail\n",
+				ocp_src, done_size);
+			goto exit;
+		}
+
+		ret = rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RXBUF_FW, 0,
+				       dump_size, (u32 *)(buf + done_size));
+		if (ret) {
+			rtw_err(rtwdev,
+				"dump fw 0x%x [+0x%x] from fw fifo fail\n",
+				ocp_src, done_size);
+			goto exit;
+		}
+
+		size -= dump_size;
+		done_size += dump_size;
+	}
+
+	print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 1,
+		       buf, done_size, true);
+
+exit:
+	vfree(buf);
+	return ret;
+}
+EXPORT_SYMBOL(rtw_dump_fw);
+
+int rtw_dump_reg(struct rtw_dev *rtwdev, const u32 addr, const u32 size,
+		 const char *prefix_str)
+{
+	u8 *buf;
+	u32 i;
+
+	if (addr & 0x3) {
+		WARN(1, "should be 4-byte aligned, addr = 0x%08x\n", addr);
+		return -EINVAL;
+	}
+
+	buf = vzalloc(size);
+	if (!buf)
+		return -ENOMEM;
+
+	for (i = 0; i < size; i += 4)
+		*(u32 *)(buf + i) = rtw_read32(rtwdev, addr + i);
+
+	print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 4, buf,
+		       size, true);
+
+	vfree(buf);
+	return 0;
+}
+EXPORT_SYMBOL(rtw_dump_reg);
+
 void rtw_vif_assoc_changed(struct rtw_vif *rtwvif,
 			   struct ieee80211_bss_conf *conf)
 {
@@ -419,10 +485,8 @@ void rtw_fw_recovery(struct rtw_dev *rtwdev)
 		ieee80211_queue_work(rtwdev->hw, &rtwdev->fw_recovery_work);
 }
 
-static void rtw_fw_recovery_work(struct work_struct *work)
+static void __fw_recovery_work(struct rtw_dev *rtwdev)
 {
-	struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
-					      fw_recovery_work);
 
 	/* rtw_fw_dump_crash_log() returns false indicates that there are
 	 * still more log to dump. Driver set 0x1cf[7:0] = 0x1 to tell firmware
@@ -435,18 +499,26 @@ static void rtw_fw_recovery_work(struct work_struct *work)
 	}
 	rtwdev->fw.prev_dump_seq = 0;
 
-	WARN(1, "firmware crash, start reset and recover\n");
+	set_bit(RTW_FLAG_RESTARTING, rtwdev->flags);
+	rtw_chip_dump_fw_crash(rtwdev);
 
-	mutex_lock(&rtwdev->mutex);
+	WARN(1, "firmware crash, start reset and recover\n");
 
-	set_bit(RTW_FLAG_RESTARTING, rtwdev->flags);
 	rcu_read_lock();
 	rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev);
 	rcu_read_unlock();
 	rtw_iterate_stas_atomic(rtwdev, rtw_reset_sta_iter, rtwdev);
 	rtw_iterate_vifs_atomic(rtwdev, rtw_reset_vif_iter, rtwdev);
 	rtw_enter_ips(rtwdev);
+}
 
+static void rtw_fw_recovery_work(struct work_struct *work)
+{
+	struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
+					      fw_recovery_work);
+
+	mutex_lock(&rtwdev->mutex);
+	__fw_recovery_work(rtwdev);
 	mutex_unlock(&rtwdev->mutex);
 
 	ieee80211_restart_hw(rtwdev->hw);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index 35afea91fd29..d185209ee3cc 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -805,6 +805,7 @@ struct rtw_regulatory {
 
 struct rtw_chip_ops {
 	int (*mac_init)(struct rtw_dev *rtwdev);
+	void (*dump_fw_crash)(struct rtw_dev *rtwdev);
 	void (*shutdown)(struct rtw_dev *rtwdev);
 	int (*read_efuse)(struct rtw_dev *rtwdev, u8 *map);
 	void (*phy_set_param)(struct rtw_dev *rtwdev);
@@ -1876,6 +1877,12 @@ static inline void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id)
 	clear_bit(mac_id, rtwdev->mac_id_map);
 }
 
+static inline void rtw_chip_dump_fw_crash(struct rtw_dev *rtwdev)
+{
+	if (rtwdev->chip->ops->dump_fw_crash)
+		rtwdev->chip->ops->dump_fw_crash(rtwdev);
+}
+
 void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
 			    struct rtw_channel_params *ch_param);
 bool check_hw_ready(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target);
@@ -1905,5 +1912,9 @@ int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
 void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
 		    bool fw_exist);
 void rtw_fw_recovery(struct rtw_dev *rtwdev);
+int rtw_dump_fw(struct rtw_dev *rtwdev, const u32 ocp_src, u32 size,
+		const char *prefix_str);
+int rtw_dump_reg(struct rtw_dev *rtwdev, const u32 addr, const u32 size,
+		 const char *prefix_str);
 
 #endif
diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h
index ea518aa78552..e3a981ad01a6 100644
--- a/drivers/net/wireless/realtek/rtw88/reg.h
+++ b/drivers/net/wireless/realtek/rtw88/reg.h
@@ -534,6 +534,7 @@
 #define BIT_DDMACH0_OWN		BIT(31)
 #define BIT_DDMACH0_CHKSUM_EN	BIT(29)
 #define BIT_DDMACH0_CHKSUM_STS	BIT(27)
+#define BIT_DDMACH0_DDMA_MODE	BIT(26)
 #define BIT_DDMACH0_RESET_CHKSUM_STS BIT(25)
 #define BIT_DDMACH0_CHKSUM_CONT	BIT(24)
 #define BIT_MASK_DDMACH0_DLEN	0x3ffff
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index dd560c28abb2..a1f1da3db029 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -1396,6 +1396,15 @@ static int rtw8822c_mac_init(struct rtw_dev *rtwdev)
 	return 0;
 }
 
+static void rtw8822c_dump_fw_crash(struct rtw_dev *rtwdev)
+{
+	rtw_dump_reg(rtwdev, 0x0, 0x2000, "rtw8822c reg_");
+	rtw_dump_fw(rtwdev, OCPBASE_DMEM_88XX, 0x10000, "rtw8822c DMEM_");
+	rtw_dump_fw(rtwdev, OCPBASE_IMEM_88XX, 0x10000, "rtw8822c IMEM_");
+	rtw_dump_fw(rtwdev, OCPBASE_EMEM_88XX, 0x20000, "rtw8822c EMEM_");
+	rtw_dump_fw(rtwdev, OCPBASE_ROM_88XX, 0x10000, "rtw8822c ROM_");
+}
+
 static void rtw8822c_rstb_3wire(struct rtw_dev *rtwdev, bool enable)
 {
 	if (enable) {
@@ -3971,6 +3980,7 @@ static struct rtw_chip_ops rtw8822c_ops = {
 	.query_rx_desc		= rtw8822c_query_rx_desc,
 	.set_channel		= rtw8822c_set_channel,
 	.mac_init		= rtw8822c_mac_init,
+	.dump_fw_crash		= rtw8822c_dump_fw_crash,
 	.read_rf		= rtw_phy_read_rf,
 	.write_rf		= rtw_phy_write_rf_reg_mix,
 	.set_tx_power_index	= rtw8822c_set_tx_power_index,
