diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/struct.h b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/struct.h
index fccad6e422e8..055ccc8c4689 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/struct.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/struct.h
@@ -8,6 +8,21 @@
 #ifndef STRUCT_H
 #define STRUCT_H
 
+/**
+ * CN20k RVU PF MBOX Interrupt Vector Enumeration
+ *
+ * Vectors 0 - 3 are compatible with pre cn20k and hence
+ * existing macros are being reused.
+ */
+enum rvu_mbox_pf_int_vec_e {
+	RVU_MBOX_PF_INT_VEC_VFPF_MBOX0	= 0x4,
+	RVU_MBOX_PF_INT_VEC_VFPF_MBOX1	= 0x5,
+	RVU_MBOX_PF_INT_VEC_VFPF1_MBOX0	= 0x6,
+	RVU_MBOX_PF_INT_VEC_VFPF1_MBOX1	= 0x7,
+	RVU_MBOX_PF_INT_VEC_AFPF_MBOX	= 0x8,
+	RVU_MBOX_PF_INT_VEC_CNT		= 0x9,
+};
+
 /* RVU Admin function Interrupt Vector Enumeration */
 enum rvu_af_cn20k_int_vec_e {
 	RVU_AF_CN20K_INT_VEC_POISON		= 0x0,
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
index 64a97a0a10ed..1e2e838959f4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
@@ -7,7 +7,7 @@ obj-$(CONFIG_OCTEONTX2_PF) += rvu_nicpf.o otx2_ptp.o
 obj-$(CONFIG_OCTEONTX2_VF) += rvu_nicvf.o otx2_ptp.o
 
 rvu_nicpf-y := otx2_pf.o otx2_common.o otx2_txrx.o otx2_ethtool.o \
-               otx2_flows.o otx2_tc.o cn10k.o otx2_dmac_flt.o \
+               otx2_flows.o otx2_tc.o cn10k.o cn20k.o otx2_dmac_flt.o \
                otx2_devlink.o qos_sq.o qos.o
 rvu_nicvf-y := otx2_vf.o
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
index c1c99d7054f8..52e0e036d00b 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c
@@ -14,6 +14,7 @@ static struct dev_hw_ops	otx2_hw_ops = {
 	.sqe_flush = otx2_sqe_flush,
 	.aura_freeptr = otx2_aura_freeptr,
 	.refill_pool_ptrs = otx2_refill_pool_ptrs,
+	.pfaf_mbox_intr_handler = otx2_pfaf_mbox_intr_handler,
 };
 
 static struct dev_hw_ops cn10k_hw_ops = {
@@ -21,8 +22,20 @@ static struct dev_hw_ops cn10k_hw_ops = {
 	.sqe_flush = cn10k_sqe_flush,
 	.aura_freeptr = cn10k_aura_freeptr,
 	.refill_pool_ptrs = cn10k_refill_pool_ptrs,
+	.pfaf_mbox_intr_handler = otx2_pfaf_mbox_intr_handler,
 };
 
+void otx2_init_hw_ops(struct otx2_nic *pfvf)
+{
+	if (!test_bit(CN10K_LMTST, &pfvf->hw.cap_flag)) {
+		pfvf->hw_ops = &otx2_hw_ops;
+		return;
+	}
+
+	pfvf->hw_ops = &cn10k_hw_ops;
+}
+EXPORT_SYMBOL(otx2_init_hw_ops);
+
 int cn10k_lmtst_init(struct otx2_nic *pfvf)
 {
 
@@ -30,12 +43,9 @@ int cn10k_lmtst_init(struct otx2_nic *pfvf)
 	struct otx2_lmt_info *lmt_info;
 	int err, cpu;
 
-	if (!test_bit(CN10K_LMTST, &pfvf->hw.cap_flag)) {
-		pfvf->hw_ops = &otx2_hw_ops;
+	if (!test_bit(CN10K_LMTST, &pfvf->hw.cap_flag))
 		return 0;
-	}
 
-	pfvf->hw_ops = &cn10k_hw_ops;
 	/* Total LMTLINES = num_online_cpus() * 32 (For Burst flush).*/
 	pfvf->tot_lmt_lines = (num_online_cpus() * LMT_BURST_SIZE);
 	pfvf->hw.lmt_info = alloc_percpu(struct otx2_lmt_info);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h
index c1861f7de254..bb030816b523 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h
@@ -39,4 +39,5 @@ int cn10k_alloc_leaf_profile(struct otx2_nic *pfvf, u16 *leaf);
 int cn10k_set_ipolicer_rate(struct otx2_nic *pfvf, u16 profile,
 			    u32 burst, u64 rate, bool pps);
 int cn10k_free_leaf_profile(struct otx2_nic *pfvf, u16 leaf);
+void otx2_init_hw_ops(struct otx2_nic *pfvf);
 #endif /* CN10K_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c
new file mode 100644
index 000000000000..44472a9f9a6e
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU Ethernet driver
+ *
+ * Copyright (C) 2024 Marvell.
+ *
+ */
+
+#include "otx2_common.h"
+#include "otx2_reg.h"
+#include "otx2_struct.h"
+#include "cn10k.h"
+
+static struct dev_hw_ops cn20k_hw_ops = {
+	.pfaf_mbox_intr_handler = cn20k_pfaf_mbox_intr_handler,
+};
+
+int cn20k_init(struct otx2_nic *pfvf)
+{
+	pfvf->hw_ops = &cn20k_hw_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL(cn20k_init);
+/* CN20K mbox AF => PFx irq handler */
+irqreturn_t cn20k_pfaf_mbox_intr_handler(int irq, void *pf_irq)
+{
+	struct otx2_nic *pf = (struct otx2_nic *)pf_irq;
+	struct mbox *mw = &pf->mbox;
+	struct otx2_mbox_dev *mdev;
+	struct otx2_mbox *mbox;
+	struct mbox_hdr *hdr;
+	int pf_trig_val;
+
+	pf_trig_val = otx2_read64(pf, RVU_PF_INT) & 0x3;
+
+	/* Clear the IRQ */
+	otx2_write64(pf, RVU_PF_INT, pf_trig_val);
+
+	if (pf_trig_val & BIT_ULL(0)) {
+		mbox = &mw->mbox_up;
+		mdev = &mbox->dev[0];
+		otx2_sync_mbox_bbuf(mbox, 0);
+
+		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+		if (hdr->num_msgs)
+			queue_work(pf->mbox_wq, &mw->mbox_up_wrk);
+
+		trace_otx2_msg_interrupt(pf->pdev, "UP message from AF to PF",
+					 BIT_ULL(0));
+	}
+
+	if (pf_trig_val & BIT_ULL(1)) {
+		mbox = &mw->mbox;
+		mdev = &mbox->dev[0];
+		otx2_sync_mbox_bbuf(mbox, 0);
+
+		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+		if (hdr->num_msgs)
+			queue_work(pf->mbox_wq, &mw->mbox_wrk);
+		trace_otx2_msg_interrupt(pf->pdev, "DOWN reply from AF to PF",
+					 BIT_ULL(1));
+	}
+
+	return IRQ_HANDLED;
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.h b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.h
new file mode 100644
index 000000000000..da6210042c62
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell RVU Ethernet driver
+ *
+ * Copyright (C) 2024 Marvell.
+ *
+ */
+
+#ifndef CN20K_H
+#define CN20K_H
+
+#include "otx2_common.h"
+
+int cn20k_init(struct otx2_nic *pfvf);
+#endif /* CN20K_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 8e7ed3979f80..d0320192e7a5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -30,6 +30,7 @@
 #include <rvu.h>
 #include <rvu_trace.h>
 #include "qos.h"
+#include "cn20k.h"
 
 /* IPv4 flag more fragment bit */
 #define IPV4_FLAG_MORE				0x20
@@ -53,6 +54,9 @@
 #define NIX_PF_PFC_PRIO_MAX			8
 #endif
 
+irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq);
+irqreturn_t cn20k_pfaf_mbox_intr_handler(int irq, void *pf_irq);
+
 enum arua_mapped_qtypes {
 	AURA_NIX_RQ,
 	AURA_NIX_SQ,
@@ -373,6 +377,7 @@ struct dev_hw_ops {
 			     int size, int qidx);
 	int	(*refill_pool_ptrs)(void *dev, struct otx2_cq_queue *cq);
 	void	(*aura_freeptr)(void *dev, int aura, u64 buf);
+	irqreturn_t (*pfaf_mbox_intr_handler)(int irq, void *pf_irq);
 };
 
 #define CN10K_MCS_SA_PER_SC	4
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 5492dea547a1..c0cf228ac714 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -958,7 +958,7 @@ static void otx2_pfaf_mbox_up_handler(struct work_struct *work)
 	otx2_mbox_msg_send(mbox, 0);
 }
 
-static irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
+irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
 {
 	struct otx2_nic *pf = (struct otx2_nic *)pf_irq;
 	struct mbox *mw = &pf->mbox;
@@ -1010,10 +1010,18 @@ static irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
 
 static void otx2_disable_mbox_intr(struct otx2_nic *pf)
 {
-	int vector = pci_irq_vector(pf->pdev, RVU_PF_INT_VEC_AFPF_MBOX);
+	int vector;
 
 	/* Disable AF => PF mailbox IRQ */
-	otx2_write64(pf, RVU_PF_INT_ENA_W1C, BIT_ULL(0));
+	if (!is_cn20k(pf->pdev)) {
+		vector = pci_irq_vector(pf->pdev, RVU_PF_INT_VEC_AFPF_MBOX);
+		otx2_write64(pf, RVU_PF_INT_ENA_W1C, BIT_ULL(0));
+	} else {
+		vector = pci_irq_vector(pf->pdev,
+					RVU_MBOX_PF_INT_VEC_AFPF_MBOX);
+		otx2_write64(pf, RVU_PF_INT_ENA_W1C,
+			     BIT_ULL(0) | BIT_ULL(1));
+	}
 	free_irq(vector, pf);
 }
 
@@ -1025,10 +1033,24 @@ static int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
 	int err;
 
 	/* Register mailbox interrupt handler */
-	irq_name = &hw->irq_name[RVU_PF_INT_VEC_AFPF_MBOX * NAME_SIZE];
-	snprintf(irq_name, NAME_SIZE, "RVUPFAF Mbox");
-	err = request_irq(pci_irq_vector(pf->pdev, RVU_PF_INT_VEC_AFPF_MBOX),
-			  otx2_pfaf_mbox_intr_handler, 0, irq_name, pf);
+	if (!is_cn20k(pf->pdev)) {
+		irq_name = &hw->irq_name[RVU_PF_INT_VEC_AFPF_MBOX * NAME_SIZE];
+		snprintf(irq_name, NAME_SIZE, "RVUPF%d AFPF Mbox",
+			 rvu_get_pf(pf->pcifunc));
+		err = request_irq(pci_irq_vector
+				  (pf->pdev, RVU_PF_INT_VEC_AFPF_MBOX),
+				  pf->hw_ops->pfaf_mbox_intr_handler,
+				  0, irq_name, pf);
+	} else {
+		irq_name = &hw->irq_name[RVU_MBOX_PF_INT_VEC_AFPF_MBOX *
+						NAME_SIZE];
+		snprintf(irq_name, NAME_SIZE, "RVUPF%d AFPF Mbox",
+			 rvu_get_pf(pf->pcifunc));
+		err = request_irq(pci_irq_vector
+				  (pf->pdev, RVU_MBOX_PF_INT_VEC_AFPF_MBOX),
+				  pf->hw_ops->pfaf_mbox_intr_handler,
+				  0, irq_name, pf);
+	}
 	if (err) {
 		dev_err(pf->dev,
 			"RVUPF: IRQ registration failed for PFAF mbox irq\n");
@@ -1038,8 +1060,14 @@ static int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
 	/* Enable mailbox interrupt for msgs coming from AF.
 	 * First clear to avoid spurious interrupts, if any.
 	 */
-	otx2_write64(pf, RVU_PF_INT, BIT_ULL(0));
-	otx2_write64(pf, RVU_PF_INT_ENA_W1S, BIT_ULL(0));
+	if (!is_cn20k(pf->pdev)) {
+		otx2_write64(pf, RVU_PF_INT, BIT_ULL(0));
+		otx2_write64(pf, RVU_PF_INT_ENA_W1S, BIT_ULL(0));
+	} else {
+		otx2_write64(pf, RVU_PF_INT, BIT_ULL(0) | BIT_ULL(1));
+		otx2_write64(pf, RVU_PF_INT_ENA_W1S, BIT_ULL(0) |
+			     BIT_ULL(1));
+	}
 
 	if (!probe_af)
 		return 0;
@@ -1070,7 +1098,7 @@ static void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
 		pf->mbox_wq = NULL;
 	}
 
-	if (mbox->mbox.hwbase)
+	if (mbox->mbox.hwbase && !is_cn20k(pf->pdev))
 		iounmap((void __iomem *)mbox->mbox.hwbase);
 
 	otx2_mbox_destroy(&mbox->mbox);
@@ -1089,12 +1117,20 @@ static int otx2_pfaf_mbox_init(struct otx2_nic *pf)
 	if (!pf->mbox_wq)
 		return -ENOMEM;
 
-	/* Mailbox is a reserved memory (in RAM) region shared between
-	 * admin function (i.e AF) and this PF, shouldn't be mapped as
-	 * device memory to allow unaligned accesses.
+	/* For CN20K, AF allocates mbox memory in DRAM and writes PF
+	 * regions/offsets in RVU_MBOX_AF_PFX_ADDR, the RVU_PFX_FUNC_PFAF_MBOX
+	 * gives the aliased address to access AF/PF mailbox regions.
 	 */
-	hwbase = ioremap_wc(pci_resource_start(pf->pdev, PCI_MBOX_BAR_NUM),
-			    MBOX_SIZE);
+	if (is_cn20k(pf->pdev))
+		hwbase = pf->reg_base + RVU_PFX_FUNC_PFAF_MBOX +
+			((u64)BLKADDR_MBOX << RVU_FUNC_BLKADDR_SHIFT);
+	else
+		/* Mailbox is a reserved memory (in RAM) region shared between
+		 * admin function (i.e AF) and this PF, shouldn't be mapped as
+		 * device memory to allow unaligned accesses.
+		 */
+		hwbase = ioremap_wc(pci_resource_start
+				    (pf->pdev, PCI_MBOX_BAR_NUM), MBOX_SIZE);
 	if (!hwbase) {
 		dev_err(pf->dev, "Unable to map PFAF mailbox region\n");
 		err = -ENOMEM;
@@ -2957,8 +2993,13 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_free_netdev;
 
-	err = pci_alloc_irq_vectors(hw->pdev, RVU_PF_INT_VEC_CNT,
-				    RVU_PF_INT_VEC_CNT, PCI_IRQ_MSIX);
+	if (!is_cn20k(pf->pdev))
+		err = pci_alloc_irq_vectors(hw->pdev, RVU_PF_INT_VEC_CNT,
+					    RVU_PF_INT_VEC_CNT, PCI_IRQ_MSIX);
+	else
+		err = pci_alloc_irq_vectors(hw->pdev, RVU_MBOX_PF_INT_VEC_CNT,
+					    RVU_MBOX_PF_INT_VEC_CNT,
+					    PCI_IRQ_MSIX);
 	if (err < 0) {
 		dev_err(dev, "%s: Failed to alloc %d IRQ vectors\n",
 			__func__, num_vec);
@@ -2967,6 +3008,11 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	otx2_setup_dev_hw_settings(pf);
 
+	if (is_cn20k(pf->pdev))
+		cn20k_init(pf);
+	else
+		otx2_init_hw_ops(pf);
+
 	/* Init PF <=> AF mailbox stuff */
 	err = otx2_pfaf_mbox_init(pf);
 	if (err)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
index 858f084b9d47..901f8cf7f27a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
@@ -58,6 +58,10 @@
 #define	RVU_VF_MSIX_PBAX(a)		    (0xF0000 | (a) << 3)
 #define RVU_VF_MBOX_REGION                  (0xC0000)
 
+/* CN20K RVU_MBOX_E: RVU PF/VF MBOX Address Range Enumeration */
+#define RVU_MBOX_AF_PFX_ADDR(a)             (0x5000 | (a) << 4)
+#define RVU_PFX_FUNC_PFAF_MBOX		    (0x80000)
+
 #define RVU_FUNC_BLKADDR_SHIFT		20
 #define RVU_FUNC_BLKADDR_MASK		0x1FULL
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 99fcc5661674..76b97896ff1c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -616,6 +616,12 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	otx2_setup_dev_hw_settings(vf);
+
+	if (is_cn20k(vf->pdev))
+		cn20k_init(vf);
+	else
+		otx2_init_hw_ops(vf);
+
 	/* Init VF <=> PF mailbox stuff */
 	err = otx2vf_vfaf_mbox_init(vf);
 	if (err)
