Merge branch '2023-11-06-networking-updates'

- A few dhcp related improvements, be clearer to the user when we don't
  have a MAC address, assorted driver/phy improvements and new drivers.

18 files changed, 841 insertions, 75 deletions

diff --git a/cmd/Kconfig b/cmd/Kconfig
index fd16c3a..df6d71c 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1840,6 +1840,10 @@ config BOOTP_PXE_CLIENTARCH
 	default 0x15 if ARM
 	default 0x0 if X86
 
+config BOOTP_PXE_DHCP_OPTION
+	bool "Request & store 'pxe_configfile' from BOOTP/DHCP server"
+	depends on BOOTP_PXE
+
 config BOOTP_VCI_STRING
 	string
 	depends on CMD_BOOTP
diff --git a/cmd/pxe.c b/cmd/pxe.c
index 7045897..21134eb 100644
--- a/cmd/pxe.c
+++ b/cmd/pxe.c
@@ -141,6 +141,14 @@ int pxe_get(ulong pxefile_addr_r, char **bootdirp, ulong *sizep, bool use_ipv6)
 			  env_get("bootfile"), use_ipv6))
 		return -ENOMEM;
 
+	if (IS_ENABLED(CONFIG_BOOTP_PXE_DHCP_OPTION) &&
+	    pxelinux_configfile && !use_ipv6) {
+		if (pxe_dhcp_option_path(&ctx, pxefile_addr_r) > 0)
+			goto done;
+
+		goto error_exit;
+	}
+
 	if (IS_ENABLED(CONFIG_DHCP6_PXE_DHCP_OPTION) &&
 	    pxelinux_configfile && use_ipv6) {
 		if (pxe_dhcp_option_path(&ctx, pxefile_addr_r) > 0)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 29304fd..ebab4d9 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -903,6 +903,23 @@ config MEDIATEK_ETH
 	  This Driver support MediaTek Ethernet GMAC
 	  Say Y to enable support for the MediaTek Ethernet GMAC.
 
+config HIFEMAC_ETH
+	bool "HiSilicon Fast Ethernet Controller"
+	select DM_CLK
+	select DM_RESET
+	select PHYLIB
+	help
+	  This driver supports HIFEMAC Ethernet controller found on
+	  HiSilicon SoCs.
+
+config HIFEMAC_MDIO
+	bool "HiSilicon Fast Ethernet Controller MDIO interface"
+	depends on DM_MDIO
+	select DM_CLK
+	help
+	  This driver supports the internal MDIO interface of HIFEMAC
+	  Ethernet controller.
+
 config HIGMACV300_ETH
 	bool "HiSilicon Gigabit Ethernet Controller"
 	select DM_RESET
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 1d444f5..1ce6fea 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -47,6 +47,8 @@ obj-$(CONFIG_FSL_PFE) += pfe_eth/
 obj-$(CONFIG_FTGMAC100) += ftgmac100.o
 obj-$(CONFIG_FTMAC100) += ftmac100.o
 obj-$(CONFIG_GMAC_ROCKCHIP) += gmac_rockchip.o
+obj-$(CONFIG_HIFEMAC_ETH) += hifemac.o
+obj-$(CONFIG_HIFEMAC_MDIO) += hifemac_mdio.o
 obj-$(CONFIG_HIGMACV300_ETH) += higmacv300.o
 obj-$(CONFIG_KS8851_MLL) += ks8851_mll.o
 obj-$(CONFIG_KSZ9477) += ksz9477.o
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 20b86e7..a174344 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -19,6 +19,7 @@
 #include <net.h>
 #include <pci.h>
 #include <reset.h>
+#include <phys2bus.h>
 #include <asm/cache.h>
 #include <dm/device_compat.h>
 #include <dm/device-internal.h>
@@ -232,8 +233,10 @@ static void tx_descs_init(struct dw_eth_dev *priv)
 
 	for (idx = 0; idx < CFG_TX_DESCR_NUM; idx++) {
 		desc_p = &desc_table_p[idx];
-		desc_p->dmamac_addr = (ulong)&txbuffs[idx * CFG_ETH_BUFSIZE];
-		desc_p->dmamac_next = (ulong)&desc_table_p[idx + 1];
+		desc_p->dmamac_addr = dev_phys_to_bus(priv->dev,
+				(ulong)&txbuffs[idx * CFG_ETH_BUFSIZE]);
+		desc_p->dmamac_next = dev_phys_to_bus(priv->dev,
+				(ulong)&desc_table_p[idx + 1]);
 
 #if defined(CONFIG_DW_ALTDESCRIPTOR)
 		desc_p->txrx_status &= ~(DESC_TXSTS_TXINT | DESC_TXSTS_TXLAST |
@@ -251,14 +254,15 @@ static void tx_descs_init(struct dw_eth_dev *priv)
 	}
 
 	/* Correcting the last pointer of the chain */
-	desc_p->dmamac_next = (ulong)&desc_table_p[0];
+	desc_p->dmamac_next = dev_phys_to_bus(priv->dev, (ulong)&desc_table_p[0]);
 
 	/* Flush all Tx buffer descriptors at once */
 	flush_dcache_range((ulong)priv->tx_mac_descrtable,
 			   (ulong)priv->tx_mac_descrtable +
 			   sizeof(priv->tx_mac_descrtable));
 
-	writel((ulong)&desc_table_p[0], &dma_p->txdesclistaddr);
+	writel(dev_phys_to_bus(priv->dev, (ulong)&desc_table_p[0]),
+			&dma_p->txdesclistaddr);
 	priv->tx_currdescnum = 0;
 }
 
@@ -280,8 +284,10 @@ static void rx_descs_init(struct dw_eth_dev *priv)
 
 	for (idx = 0; idx < CFG_RX_DESCR_NUM; idx++) {
 		desc_p = &desc_table_p[idx];
-		desc_p->dmamac_addr = (ulong)&rxbuffs[idx * CFG_ETH_BUFSIZE];
-		desc_p->dmamac_next = (ulong)&desc_table_p[idx + 1];
+		desc_p->dmamac_addr = dev_phys_to_bus(priv->dev,
+				(ulong)&rxbuffs[idx * CFG_ETH_BUFSIZE]);
+		desc_p->dmamac_next = dev_phys_to_bus(priv->dev,
+				(ulong)&desc_table_p[idx + 1]);
 
 		desc_p->dmamac_cntl =
 			(MAC_MAX_FRAME_SZ & DESC_RXCTRL_SIZE1MASK) |
@@ -291,14 +297,15 @@ static void rx_descs_init(struct dw_eth_dev *priv)
 	}
 
 	/* Correcting the last pointer of the chain */
-	desc_p->dmamac_next = (ulong)&desc_table_p[0];
+	desc_p->dmamac_next = dev_phys_to_bus(priv->dev, (ulong)&desc_table_p[0]);
 
 	/* Flush all Rx buffer descriptors at once */
 	flush_dcache_range((ulong)priv->rx_mac_descrtable,
 			   (ulong)priv->rx_mac_descrtable +
 			   sizeof(priv->rx_mac_descrtable));
 
-	writel((ulong)&desc_table_p[0], &dma_p->rxdesclistaddr);
+	writel(dev_phys_to_bus(priv->dev, (ulong)&desc_table_p[0]),
+			&dma_p->rxdesclistaddr);
 	priv->rx_currdescnum = 0;
 }
 
@@ -448,7 +455,7 @@ static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length)
 	ulong desc_start = (ulong)desc_p;
 	ulong desc_end = desc_start +
 		roundup(sizeof(*desc_p), ARCH_DMA_MINALIGN);
-	ulong data_start = desc_p->dmamac_addr;
+	ulong data_start = dev_bus_to_phys(priv->dev, desc_p->dmamac_addr);
 	ulong data_end = data_start + roundup(length, ARCH_DMA_MINALIGN);
 	/*
 	 * Strictly we only need to invalidate the "txrx_status" field
@@ -515,7 +522,7 @@ static int _dw_eth_recv(struct dw_eth_dev *priv, uchar **packetp)
 	ulong desc_start = (ulong)desc_p;
 	ulong desc_end = desc_start +
 		roundup(sizeof(*desc_p), ARCH_DMA_MINALIGN);
-	ulong data_start = desc_p->dmamac_addr;
+	ulong data_start = dev_bus_to_phys(priv->dev, desc_p->dmamac_addr);
 	ulong data_end;
 
 	/* Invalidate entire buffer descriptor */
@@ -532,7 +539,8 @@ static int _dw_eth_recv(struct dw_eth_dev *priv, uchar **packetp)
 		/* Invalidate received data */
 		data_end = data_start + roundup(length, ARCH_DMA_MINALIGN);
 		invalidate_dcache_range(data_start, data_end);
-		*packetp = (uchar *)(ulong)desc_p->dmamac_addr;
+		*packetp = (uchar *)(ulong)dev_bus_to_phys(priv->dev,
+				desc_p->dmamac_addr);
 	}
 
 	return length;
@@ -757,6 +765,7 @@ int designware_eth_probe(struct udevice *dev)
 		goto mdio_err;
 	}
 	priv->bus = miiphy_get_dev_by_name(dev->name);
+	priv->dev = dev;
 
 	ret = dw_phy_init(priv, dev);
 	debug("%s, ret=%d\n", __func__, ret);
diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index 9da4e90..918a386 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -241,6 +241,7 @@ struct dw_eth_dev {
 	int clock_count;	/* number of clock in clock list */
 #endif
 
+	struct udevice *dev;
 	struct phy_device *phydev;
 	struct mii_dev *bus;
 };
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 18466cf..a4e3698 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -746,6 +746,7 @@ static int eqos_start(struct udevice *dev)
 	u32 val, tx_fifo_sz, rx_fifo_sz, tqs, rqs, pbl;
 	ulong last_rx_desc;
 	ulong desc_pad;
+	ulong addr64;
 
 	debug("%s(dev=%p):\n", __func__, dev);
 
@@ -1039,25 +1040,25 @@ static int eqos_start(struct udevice *dev)
 
 	for (i = 0; i < EQOS_DESCRIPTORS_RX; i++) {
 		struct eqos_desc *rx_desc = eqos_get_desc(eqos, i, true);
-		rx_desc->des0 = (u32)(ulong)(eqos->rx_dma_buf +
-					     (i * EQOS_MAX_PACKET_SIZE));
+
+		addr64 = (ulong)(eqos->rx_dma_buf + (i * EQOS_MAX_PACKET_SIZE));
+		rx_desc->des0 = lower_32_bits(addr64);
+		rx_desc->des1 = upper_32_bits(addr64);
 		rx_desc->des3 = EQOS_DESC3_OWN | EQOS_DESC3_BUF1V;
 		mb();
 		eqos->config->ops->eqos_flush_desc(rx_desc);
-		eqos->config->ops->eqos_inval_buffer(eqos->rx_dma_buf +
-						(i * EQOS_MAX_PACKET_SIZE),
-						EQOS_MAX_PACKET_SIZE);
+		eqos->config->ops->eqos_inval_buffer((void *)addr64, EQOS_MAX_PACKET_SIZE);
 	}
 
-	writel(0, &eqos->dma_regs->ch0_txdesc_list_haddress);
-	writel((ulong)eqos_get_desc(eqos, 0, false),
-		&eqos->dma_regs->ch0_txdesc_list_address);
+	addr64 = (ulong)eqos_get_desc(eqos, 0, false);
+	writel(upper_32_bits(addr64), &eqos->dma_regs->ch0_txdesc_list_haddress);
+	writel(lower_32_bits(addr64), &eqos->dma_regs->ch0_txdesc_list_address);
 	writel(EQOS_DESCRIPTORS_TX - 1,
 	       &eqos->dma_regs->ch0_txdesc_ring_length);
 
-	writel(0, &eqos->dma_regs->ch0_rxdesc_list_haddress);
-	writel((ulong)eqos_get_desc(eqos, 0, true),
-		&eqos->dma_regs->ch0_rxdesc_list_address);
+	addr64 = (ulong)eqos_get_desc(eqos, 0, true);
+	writel(upper_32_bits(addr64), &eqos->dma_regs->ch0_rxdesc_list_haddress);
+	writel(lower_32_bits(addr64), &eqos->dma_regs->ch0_rxdesc_list_address);
 	writel(EQOS_DESCRIPTORS_RX - 1,
 	       &eqos->dma_regs->ch0_rxdesc_ring_length);
 
@@ -1162,8 +1163,8 @@ static int eqos_send(struct udevice *dev, void *packet, int length)
 	eqos->tx_desc_idx++;
 	eqos->tx_desc_idx %= EQOS_DESCRIPTORS_TX;
 
-	tx_desc->des0 = (ulong)eqos->tx_dma_buf;
-	tx_desc->des1 = 0;
+	tx_desc->des0 = lower_32_bits((ulong)eqos->tx_dma_buf);
+	tx_desc->des1 = upper_32_bits((ulong)eqos->tx_dma_buf);
 	tx_desc->des2 = length;
 	/*
 	 * Make sure that if HW sees the _OWN write below, it will see all the
@@ -1234,14 +1235,17 @@ static int eqos_free_pkt(struct udevice *dev, uchar *packet, int length)
 		for (idx = eqos->rx_desc_idx - idx_mask;
 		     idx <= eqos->rx_desc_idx;
 		     idx++) {
+			ulong addr64;
+
 			rx_desc = eqos_get_desc(eqos, idx, true);
 			rx_desc->des0 = 0;
+			rx_desc->des1 = 0;
 			mb();
 			eqos->config->ops->eqos_flush_desc(rx_desc);
 			eqos->config->ops->eqos_inval_buffer(packet, length);
-			rx_desc->des0 = (u32)(ulong)(eqos->rx_dma_buf +
-					     (idx * EQOS_MAX_PACKET_SIZE));
-			rx_desc->des1 = 0;
+			addr64 = (ulong)(eqos->rx_dma_buf + (idx * EQOS_MAX_PACKET_SIZE));
+			rx_desc->des0 = lower_32_bits(addr64);
+			rx_desc->des1 = upper_32_bits(addr64);
 			rx_desc->des2 = 0;
 			/*
 			 * Make sure that if HW sees the _OWN write below,
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 41e6ba7..84a2a7c 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -5718,15 +5718,9 @@ static const struct eth_ops e1000_eth_ops = {
 	.write_hwaddr = e1000_write_hwaddr,
 };
 
-static const struct udevice_id e1000_eth_ids[] = {
-	{ .compatible = "intel,e1000" },
-	{ }
-};
-
 U_BOOT_DRIVER(eth_e1000) = {
 	.name	= "eth_e1000",
 	.id	= UCLASS_ETH,
-	.of_match = e1000_eth_ids,
 	.bind	= e1000_eth_bind,
 	.probe	= e1000_eth_probe,
 	.ops	= &e1000_eth_ops,
diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c
index 587d365..9b536fd 100644
--- a/drivers/net/ftgmac100.c
+++ b/drivers/net/ftgmac100.c
@@ -13,6 +13,7 @@
 
 #include <common.h>
 #include <clk.h>
+#include <reset.h>
 #include <cpu_func.h>
 #include <dm.h>
 #include <log.h>
@@ -91,6 +92,7 @@ struct ftgmac100_data {
 	u32 max_speed;
 
 	struct clk_bulk clks;
+	struct reset_ctl *reset_ctl;
 
 	/* End of RX/TX ring buffer bits. Depend on model */
 	u32 rxdes0_edorr_mask;
@@ -569,6 +571,8 @@ static int ftgmac100_of_to_plat(struct udevice *dev)
 		priv->txdes0_edotr_mask = BIT(15);
 	}
 
+	priv->reset_ctl = devm_reset_control_get_optional(dev, NULL);
+
 	return clk_get_bulk(dev, &priv->clks);
 }
 
@@ -594,6 +598,12 @@ static int ftgmac100_probe(struct udevice *dev)
 	if (ret)
 		goto out;
 
+	if (priv->reset_ctl) {
+		ret = reset_deassert(priv->reset_ctl);
+		if (ret)
+			goto out;
+	}
+
 	/*
 	 * If DM MDIO is enabled, the MDIO bus will be initialized later in
 	 * dm_eth_phy_connect
@@ -629,6 +639,8 @@ static int ftgmac100_remove(struct udevice *dev)
 	free(priv->phydev);
 	mdio_unregister(priv->bus);
 	mdio_free(priv->bus);
+	if (priv->reset_ctl)
+		reset_assert(priv->reset_ctl);
 	clk_release_bulk(&priv->clks);
 
 	return 0;
diff --git a/drivers/net/hifemac.c b/drivers/net/hifemac.c
new file mode 100644
index 0000000..b61a29e
--- /dev/null
+++ b/drivers/net/hifemac.c
@@ -0,0 +1,481 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Hisilicon Fast Ethernet MAC Driver
+ * Adapted from linux
+ *
+ * Copyright (c) 2016 HiSilicon Technologies Co., Ltd.
+ * Copyright (c) 2023 Yang Xiwen <forbidden405@outlook.com>
+ */
+
+#include <dm.h>
+#include <clk.h>
+#include <miiphy.h>
+#include <net.h>
+#include <reset.h>
+#include <wait_bit.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+
+/* MAC control register list */
+#define MAC_PORTSEL			0x0200
+#define MAC_PORTSEL_STAT_CPU		BIT(0)
+#define MAC_PORTSEL_RMII		BIT(1)
+#define MAC_PORTSET			0x0208
+#define MAC_PORTSET_DUPLEX_FULL		BIT(0)
+#define MAC_PORTSET_LINKED		BIT(1)
+#define MAC_PORTSET_SPEED_100M		BIT(2)
+#define MAC_SET				0x0210
+#define MAX_FRAME_SIZE			1600
+#define MAX_FRAME_SIZE_MASK		GENMASK(10, 0)
+#define BIT_PAUSE_EN			BIT(18)
+#define RX_COALESCE_SET			0x0340
+#define RX_COALESCED_FRAME_OFFSET	24
+#define RX_COALESCED_FRAMES		8
+#define RX_COALESCED_TIMER		0x74
+#define QLEN_SET			0x0344
+#define RX_DEPTH_OFFSET			8
+#define MAX_HW_FIFO_DEPTH		64
+#define HW_TX_FIFO_DEPTH		1
+#define MAX_HW_RX_FIFO_DEPTH		(MAX_HW_FIFO_DEPTH - HW_TX_FIFO_DEPTH)
+#define HW_RX_FIFO_DEPTH		min(PKTBUFSRX, MAX_HW_RX_FIFO_DEPTH)
+#define IQFRM_DES			0x0354
+#define RX_FRAME_LEN_MASK		GENMASK(11, 0)
+#define RX_FRAME_IN_INDEX_MASK		GENMASK(17, 12)
+#define IQ_ADDR				0x0358
+#define EQ_ADDR				0x0360
+#define EQFRM_LEN			0x0364
+#define ADDRQ_STAT			0x036C
+#define TX_CNT_INUSE_MASK		GENMASK(5, 0)
+#define BIT_TX_READY			BIT(24)
+#define BIT_RX_READY			BIT(25)
+/* global control register list */
+#define GLB_HOSTMAC_L32			0x0000
+#define GLB_HOSTMAC_H16			0x0004
+#define GLB_SOFT_RESET			0x0008
+#define SOFT_RESET_ALL			BIT(0)
+#define GLB_FWCTRL			0x0010
+#define FWCTRL_VLAN_ENABLE		BIT(0)
+#define FWCTRL_FW2CPU_ENA		BIT(5)
+#define FWCTRL_FWALL2CPU		BIT(7)
+#define GLB_MACTCTRL			0x0014
+#define MACTCTRL_UNI2CPU		BIT(1)
+#define MACTCTRL_MULTI2CPU		BIT(3)
+#define MACTCTRL_BROAD2CPU		BIT(5)
+#define MACTCTRL_MACT_ENA		BIT(7)
+#define GLB_IRQ_STAT			0x0030
+#define GLB_IRQ_ENA			0x0034
+#define IRQ_ENA_PORT0_MASK		GENMASK(7, 0)
+#define IRQ_ENA_PORT0			BIT(18)
+#define IRQ_ENA_ALL			BIT(19)
+#define GLB_IRQ_RAW			0x0038
+#define IRQ_INT_RX_RDY			BIT(0)
+#define IRQ_INT_TX_PER_PACKET		BIT(1)
+#define IRQ_INT_TX_FIFO_EMPTY		BIT(6)
+#define IRQ_INT_MULTI_RXRDY		BIT(7)
+#define DEF_INT_MASK			(IRQ_INT_MULTI_RXRDY | \
+					IRQ_INT_TX_PER_PACKET | \
+					IRQ_INT_TX_FIFO_EMPTY)
+#define GLB_MAC_L32_BASE		0x0100
+#define GLB_MAC_H16_BASE		0x0104
+#define MACFLT_HI16_MASK		GENMASK(15, 0)
+#define BIT_MACFLT_ENA			BIT(17)
+#define BIT_MACFLT_FW2CPU		BIT(21)
+#define GLB_MAC_H16(reg)		(GLB_MAC_H16_BASE + ((reg) * 0x8))
+#define GLB_MAC_L32(reg)		(GLB_MAC_L32_BASE + ((reg) * 0x8))
+#define MAX_MAC_FILTER_NUM		8
+#define MAX_UNICAST_ADDRESSES		2
+#define MAX_MULTICAST_ADDRESSES		(MAX_MAC_FILTER_NUM - \
+					MAX_UNICAST_ADDRESSES)
+/* software tx and rx queue number, should be power of 2 */
+#define TXQ_NUM				64
+#define RXQ_NUM				128
+
+#define PHY_RESET_DELAYS_PROPERTY	"hisilicon,phy-reset-delays-us"
+#define MAC_RESET_DELAY_PROPERTY	"hisilicon,mac-reset-delay-us"
+#define MAC_RESET_ASSERT_PERIOD		200000
+
+enum phy_reset_delays {
+	PRE_DELAY,
+	PULSE,
+	POST_DELAY,
+	DELAYS_NUM,
+};
+
+enum clk_type {
+	CLK_MAC,
+	CLK_BUS,
+	CLK_PHY,
+	CLK_NUM,
+};
+
+struct hisi_femac_priv {
+	void __iomem *port_base;
+	void __iomem *glb_base;
+	struct clk *clks[CLK_NUM];
+	struct reset_ctl *mac_rst;
+	struct reset_ctl *phy_rst;
+	u32 phy_reset_delays[DELAYS_NUM];
+	u32 mac_reset_delay;
+
+	struct phy_device *phy;
+
+	u32 link_status;
+};
+
+static void hisi_femac_irq_enable(struct hisi_femac_priv *priv, int irqs)
+{
+	u32 val;
+
+	val = readl(priv->glb_base + GLB_IRQ_ENA);
+	writel(val | irqs, priv->glb_base + GLB_IRQ_ENA);
+}
+
+static void hisi_femac_irq_disable(struct hisi_femac_priv *priv, int irqs)
+{
+	u32 val;
+
+	val = readl(priv->glb_base + GLB_IRQ_ENA);
+	writel(val & (~irqs), priv->glb_base + GLB_IRQ_ENA);
+}
+
+static void hisi_femac_port_init(struct hisi_femac_priv *priv)
+{
+	u32 val;
+
+	/* MAC gets link status info and phy mode by software config */
+	val = MAC_PORTSEL_STAT_CPU;
+	if (priv->phy->interface == PHY_INTERFACE_MODE_RMII)
+		val |= MAC_PORTSEL_RMII;
+	writel(val, priv->port_base + MAC_PORTSEL);
+
+	/*clear all interrupt status */
+	writel(IRQ_ENA_PORT0_MASK, priv->glb_base + GLB_IRQ_RAW);
+	hisi_femac_irq_disable(priv, IRQ_ENA_PORT0_MASK | IRQ_ENA_PORT0);
+
+	val = readl(priv->glb_base + GLB_FWCTRL);
+	val &= ~(FWCTRL_VLAN_ENABLE | FWCTRL_FWALL2CPU);
+	val |= FWCTRL_FW2CPU_ENA;
+	writel(val, priv->glb_base + GLB_FWCTRL);
+
+	val = readl(priv->glb_base + GLB_MACTCTRL);
+	val |= (MACTCTRL_BROAD2CPU | MACTCTRL_MACT_ENA);
+	writel(val, priv->glb_base + GLB_MACTCTRL);
+
+	val = readl(priv->port_base + MAC_SET);
+	val &= ~MAX_FRAME_SIZE_MASK;
+	val |= MAX_FRAME_SIZE;
+	writel(val, priv->port_base + MAC_SET);
+
+	val = RX_COALESCED_TIMER |
+		(RX_COALESCED_FRAMES << RX_COALESCED_FRAME_OFFSET);
+	writel(val, priv->port_base + RX_COALESCE_SET);
+
+	val = (HW_RX_FIFO_DEPTH << RX_DEPTH_OFFSET) | HW_TX_FIFO_DEPTH;
+	writel(val, priv->port_base + QLEN_SET);
+}
+
+static void hisi_femac_rx_refill(struct hisi_femac_priv *priv)
+{
+	int i;
+	ulong addr;
+
+	for (i = 0; i < HW_RX_FIFO_DEPTH; i++) {
+		addr = (ulong)net_rx_packets[i];
+		writel(addr, priv->port_base + IQ_ADDR);
+	}
+}
+
+static void hisi_femac_adjust_link(struct udevice *dev)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	struct phy_device *phy = priv->phy;
+	u32 status = 0;
+
+	if (phy->link)
+		status |= MAC_PORTSET_LINKED;
+	if (phy->duplex == DUPLEX_FULL)
+		status |= MAC_PORTSET_DUPLEX_FULL;
+	if (phy->speed == SPEED_100)
+		status |= MAC_PORTSET_SPEED_100M;
+
+	writel(status, priv->port_base + MAC_PORTSET);
+}
+
+static int hisi_femac_port_reset(struct hisi_femac_priv *priv)
+{
+	u32 val;
+
+	val = readl(priv->glb_base + GLB_SOFT_RESET);
+	val |= SOFT_RESET_ALL;
+	writel(val, priv->glb_base + GLB_SOFT_RESET);
+
+	udelay(800);
+
+	val &= ~SOFT_RESET_ALL;
+	writel(val, priv->glb_base + GLB_SOFT_RESET);
+
+	return 0;
+}
+
+static int hisi_femac_set_hw_mac_addr(struct udevice *dev)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	struct eth_pdata *plat = dev_get_plat(dev);
+	unsigned char *mac = plat->enetaddr;
+	u32 reg;
+
+	reg = mac[1] | (mac[0] << 8);
+	writel(reg, priv->glb_base + GLB_HOSTMAC_H16);
+
+	reg = mac[5] | (mac[4] << 8) | (mac[3] << 16) | (mac[2] << 24);
+	writel(reg, priv->glb_base + GLB_HOSTMAC_L32);
+
+	return 0;
+}
+
+static int hisi_femac_start(struct udevice *dev)
+{
+	int ret;
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+
+	hisi_femac_port_reset(priv);
+	hisi_femac_set_hw_mac_addr(dev);
+	hisi_femac_rx_refill(priv);
+
+	ret = phy_startup(priv->phy);
+	if (ret)
+		return log_msg_ret("Failed to startup phy", ret);
+
+	if (!priv->phy->link) {
+		debug("%s: link down\n", __func__);
+		return -ENODEV;
+	}
+
+	hisi_femac_adjust_link(dev);
+
+	writel(IRQ_ENA_PORT0_MASK, priv->glb_base + GLB_IRQ_RAW);
+	hisi_femac_irq_enable(priv, IRQ_ENA_ALL | IRQ_ENA_PORT0 | DEF_INT_MASK);
+
+	return 0;
+}
+
+static int hisi_femac_send(struct udevice *dev, void *packet, int length)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	ulong addr = (ulong)packet;
+	int ret;
+
+	// clear previous irq
+	writel(IRQ_INT_TX_PER_PACKET, priv->glb_base + GLB_IRQ_RAW);
+
+	// flush cache
+	flush_cache(addr, length + ETH_FCS_LEN);
+
+	// write packet address
+	writel(addr, priv->port_base + EQ_ADDR);
+
+	// write packet length (and send it)
+	writel(length + ETH_FCS_LEN, priv->port_base + EQFRM_LEN);
+
+	// wait until FIFO is empty
+	ret = wait_for_bit_le32(priv->glb_base + GLB_IRQ_RAW, IRQ_INT_TX_PER_PACKET, true, 50, false);
+	if (ret == -ETIMEDOUT)
+		return log_msg_ret("FIFO timeout", ret);
+
+	return 0;
+}
+
+static int hisi_femac_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	int val, index, length;
+
+	val = readl(priv->glb_base + GLB_IRQ_RAW);
+	if (!(val & IRQ_INT_RX_RDY))
+		return -EAGAIN;
+
+	val = readl(priv->port_base + IQFRM_DES);
+	index = (val & RX_FRAME_IN_INDEX_MASK) >> 12;
+	length = val & RX_FRAME_LEN_MASK;
+
+	// invalidate cache
+	invalidate_dcache_range((ulong)net_rx_packets[index], (ulong)net_rx_packets[index] + length);
+	*packetp = net_rx_packets[index];
+
+	// Tell hardware we will process the packet
+	writel(IRQ_INT_RX_RDY, priv->glb_base + GLB_IRQ_RAW);
+
+	return length;
+}
+
+static int hisi_femac_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	ulong addr = (ulong)packet;
+
+	// Tell hardware the packet can be reused
+	writel(addr, priv->port_base + IQ_ADDR);
+
+	return 0;
+}
+
+static void hisi_femac_stop(struct udevice *dev)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+
+	// assert internal reset
+	writel(SOFT_RESET_ALL, priv->glb_base + GLB_SOFT_RESET);
+}
+
+int hisi_femac_of_to_plat(struct udevice *dev)
+{
+	int ret, i;
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	static const char * const clk_strs[] = {
+		[CLK_MAC] = "mac",
+		[CLK_BUS] = "bus",
+		[CLK_PHY] = "phy",
+	};
+
+	priv->port_base = dev_remap_addr_name(dev, "port");
+	if (IS_ERR(priv->port_base))
+		return log_msg_ret("Failed to remap port address space", PTR_ERR(priv->port_base));
+
+	priv->glb_base = dev_remap_addr_name(dev, "glb");
+	if (IS_ERR(priv->glb_base))
+		return log_msg_ret("Failed to remap global address space", PTR_ERR(priv->glb_base));
+
+	for (i = 0; i < ARRAY_SIZE(clk_strs); i++) {
+		priv->clks[i] = devm_clk_get(dev, clk_strs[i]);
+		if (IS_ERR(priv->clks[i])) {
+			dev_err(dev, "Error getting clock %s\n", clk_strs[i]);
+			return log_msg_ret("Failed to get clocks", PTR_ERR(priv->clks[i]));
+		}
+	}
+
+	priv->mac_rst = devm_reset_control_get(dev, "mac");
+	if (IS_ERR(priv->mac_rst))
+		return log_msg_ret("Failed to get MAC reset", PTR_ERR(priv->mac_rst));
+
+	priv->phy_rst = devm_reset_control_get(dev, "phy");
+	if (IS_ERR(priv->phy_rst))
+		return log_msg_ret("Failed to get PHY reset", PTR_ERR(priv->phy_rst));
+
+	ret = dev_read_u32_array(dev,
+				 PHY_RESET_DELAYS_PROPERTY,
+				 priv->phy_reset_delays,
+				 DELAYS_NUM);
+	if (ret < 0)
+		return log_msg_ret("Failed to get PHY reset delays", ret);
+
+	priv->mac_reset_delay = dev_read_u32_default(dev,
+						     MAC_RESET_DELAY_PROPERTY,
+						     MAC_RESET_ASSERT_PERIOD);
+
+	return 0;
+}
+
+static int hisi_femac_phy_reset(struct hisi_femac_priv *priv)
+{
+	struct reset_ctl *rst = priv->phy_rst;
+	u32 *delays = priv->phy_reset_delays;
+	int ret;
+
+	// Disable MAC clk before phy reset
+	ret = clk_disable(priv->clks[CLK_MAC]);
+	if (ret < 0)
+		return log_msg_ret("Failed to disable MAC clock", ret);
+	ret = clk_disable(priv->clks[CLK_BUS]);
+	if (ret < 0)
+		return log_msg_ret("Failed to disable bus clock", ret);
+
+	udelay(delays[PRE_DELAY]);
+
+	ret = reset_assert(rst);
+	if (ret < 0)
+		return log_msg_ret("Failed to assert reset", ret);
+
+	udelay(delays[PULSE]);
+
+	ret = reset_deassert(rst);
+	if (ret < 0)
+		return log_msg_ret("Failed to deassert reset", ret);
+
+	udelay(delays[POST_DELAY]);
+
+	ret = clk_enable(priv->clks[CLK_MAC]);
+	if (ret < 0)
+		return log_msg_ret("Failed to enable MAC clock", ret);
+	ret = clk_enable(priv->clks[CLK_BUS]);
+	if (ret < 0)
+		return log_msg_ret("Failed to enable MAC bus clock", ret);
+
+	return 0;
+}
+
+int hisi_femac_probe(struct udevice *dev)
+{
+	struct hisi_femac_priv *priv = dev_get_priv(dev);
+	int ret, i;
+
+	// Enable clocks
+	for (i = 0; i < CLK_NUM; i++) {
+		ret = clk_prepare_enable(priv->clks[i]);
+		if (ret < 0)
+			return log_msg_ret("Failed to enable clks", ret);
+	}
+
+	// Reset MAC
+	ret = reset_assert(priv->mac_rst);
+	if (ret < 0)
+		return log_msg_ret("Failed to assert MAC reset", ret);
+
+	udelay(priv->mac_reset_delay);
+
+	ret = reset_deassert(priv->mac_rst);
+	if (ret < 0)
+		return log_msg_ret("Failed to deassert MAC reset", ret);
+
+	// Reset PHY
+	ret = hisi_femac_phy_reset(priv);
+	if (ret < 0)
+		return log_msg_ret("Failed to reset phy", ret);
+
+	// Connect to PHY
+	priv->phy = dm_eth_phy_connect(dev);
+	if (!priv->phy)
+		return log_msg_ret("Failed to connect to phy", -EINVAL);
+
+	hisi_femac_port_init(priv);
+	return 0;
+}
+
+static const struct eth_ops hisi_femac_ops = {
+	.start		= hisi_femac_start,
+	.send		= hisi_femac_send,
+	.recv		= hisi_femac_recv,
+	.free_pkt	= hisi_femac_free_pkt,
+	.stop		= hisi_femac_stop,
+	.write_hwaddr	= hisi_femac_set_hw_mac_addr,
+};
+
+static const struct udevice_id hisi_femac_ids[] = {
+	{.compatible = "hisilicon,hisi-femac-v1",},
+	{.compatible = "hisilicon,hisi-femac-v2",},
+	{.compatible = "hisilicon,hi3516cv300-femac",},
+	{.compatible = "hisilicon,hi3798mv200-femac",},
+	{},
+};
+
+U_BOOT_DRIVER(hisi_femac_driver) = {
+	.name = "eth_hisi_femac",
+	.id = UCLASS_ETH,
+	.of_match = of_match_ptr(hisi_femac_ids),
+	.of_to_plat = hisi_femac_of_to_plat,
+	.ops = &hisi_femac_ops,
+	.probe = hisi_femac_probe,
+	.plat_auto = sizeof(struct eth_pdata),
+	.priv_auto = sizeof(struct hisi_femac_priv),
+};
diff --git a/drivers/net/hifemac_mdio.c b/drivers/net/hifemac_mdio.c
new file mode 100644
index 0000000..343c5f3
--- /dev/null
+++ b/drivers/net/hifemac_mdio.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Hisilicon Fast Ethernet MDIO Bus Driver
+ *
+ * Copyright (c) 2016 HiSilicon Technologies Co., Ltd.
+ */
+
+#include <dm.h>
+#include <clk.h>
+#include <miiphy.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+
+#define MDIO_RWCTRL		0x00
+#define MDIO_RO_DATA		0x04
+#define MDIO_WRITE		BIT(13)
+#define MDIO_RW_FINISH		BIT(15)
+#define BIT_PHY_ADDR_OFFSET	8
+#define BIT_WR_DATA_OFFSET	16
+
+struct hisi_femac_mdio_data {
+	struct clk *clk;
+	void __iomem *membase;
+};
+
+static int hisi_femac_mdio_wait_ready(struct hisi_femac_mdio_data *data)
+{
+	u32 val;
+
+	return readl_poll_timeout(data->membase + MDIO_RWCTRL,
+				  val, val & MDIO_RW_FINISH, 10000);
+}
+
+static int hisi_femac_mdio_read(struct udevice *dev, int addr, int devad, int reg)
+{
+	struct hisi_femac_mdio_data *data = dev_get_priv(dev);
+	int ret;
+
+	ret = hisi_femac_mdio_wait_ready(data);
+	if (ret)
+		return ret;
+
+	writel((addr << BIT_PHY_ADDR_OFFSET) | reg,
+	       data->membase + MDIO_RWCTRL);
+
+	ret = hisi_femac_mdio_wait_ready(data);
+	if (ret)
+		return ret;
+
+	return readl(data->membase + MDIO_RO_DATA) & 0xFFFF;
+}
+
+static int hisi_femac_mdio_write(struct udevice *dev, int addr, int devad, int reg, u16 val)
+{
+	struct hisi_femac_mdio_data *data = dev_get_priv(dev);
+	int ret;
+
+	ret = hisi_femac_mdio_wait_ready(data);
+	if (ret)
+		return ret;
+
+	writel(MDIO_WRITE | (val << BIT_WR_DATA_OFFSET) |
+	       (addr << BIT_PHY_ADDR_OFFSET) | reg,
+	       data->membase + MDIO_RWCTRL);
+
+	return hisi_femac_mdio_wait_ready(data);
+}
+
+static int hisi_femac_mdio_of_to_plat(struct udevice *dev)
+{
+	struct hisi_femac_mdio_data *data = dev_get_priv(dev);
+	int ret;
+
+	data->membase = dev_remap_addr(dev);
+	if (IS_ERR(data->membase)) {
+		ret = PTR_ERR(data->membase);
+		return log_msg_ret("Failed to remap base addr", ret);
+	}
+
+	// clk is optional
+	data->clk = devm_clk_get_optional(dev, NULL);
+
+	return 0;
+}
+
+static int hisi_femac_mdio_probe(struct udevice *dev)
+{
+	struct hisi_femac_mdio_data *data = dev_get_priv(dev);
+	int ret;
+
+	ret = clk_prepare_enable(data->clk);
+	if (ret)
+		return log_msg_ret("Failed to enable clk", ret);
+
+	return 0;
+}
+
+static const struct mdio_ops hisi_femac_mdio_ops = {
+	.read = hisi_femac_mdio_read,
+	.write = hisi_femac_mdio_write,
+};
+
+static const struct udevice_id hisi_femac_mdio_dt_ids[] = {
+	{ .compatible = "hisilicon,hisi-femac-mdio" },
+	{ }
+};
+
+U_BOOT_DRIVER(hisi_femac_mdio_driver) = {
+	.name = "hisi-femac-mdio",
+	.id = UCLASS_MDIO,
+	.of_match = hisi_femac_mdio_dt_ids,
+	.of_to_plat = hisi_femac_mdio_of_to_plat,
+	.probe = hisi_femac_mdio_probe,
+	.ops = &hisi_femac_mdio_ops,
+	.priv_auto = sizeof(struct hisi_femac_mdio_data),
+};
diff --git a/drivers/net/mv88e6xxx.c b/drivers/net/mv88e6xxx.c
index 64e860e..c073f81 100644
--- a/drivers/net/mv88e6xxx.c
+++ b/drivers/net/mv88e6xxx.c
@@ -29,6 +29,7 @@
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <dm/of_extra.h>
+#include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <miiphy.h>
 #include <net/dsa.h>
@@ -110,20 +111,35 @@
  */
 #define SMI_BUSY			BIT(15)
 #define SMI_CMD_CLAUSE_22		BIT(12)
-#define SMI_CMD_CLAUSE_22_OP_READ	(2 << 10)
-#define SMI_CMD_CLAUSE_22_OP_WRITE	(1 << 10)
-#define SMI_CMD_ADDR_SHIFT		5
-#define SMI_CMD_ADDR_MASK		0x1f
-#define SMI_CMD_REG_SHIFT		0
-#define SMI_CMD_REG_MASK		0x1f
+#define SMI_CMD_OP_MASK			GENMASK(11, 10)
+#define SMI_CMD_CLAUSE_22_OP_WRITE	0x1
+#define SMI_CMD_CLAUSE_22_OP_READ	0x2
+#define SMI_CMD_CLAUSE_45_OP_WRITE_ADDR	0x0
+#define SMI_CMD_CLAUSE_45_OP_WRITE	0x1
+#define SMI_CMD_CLAUSE_45_OP_READ	0x3
+
+#define SMI_CMD_ADDR_MASK		GENMASK(9, 5)
+#define SMI_CMD_REG_MASK		GENMASK(4, 0)
 #define SMI_CMD_READ(addr, reg) \
-	(SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_READ) | \
-	(((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \
-	(((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT)
+	(SMI_BUSY | SMI_CMD_CLAUSE_22 | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_22_OP_READ)) | \
+	(FIELD_PREP(SMI_CMD_ADDR_MASK, addr)) | \
+	(FIELD_PREP(SMI_CMD_REG_MASK, reg))
 #define SMI_CMD_WRITE(addr, reg) \
-	(SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_WRITE) | \
-	(((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \
-	(((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT)
+	(SMI_BUSY | SMI_CMD_CLAUSE_22 | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_22_OP_WRITE)) | \
+	(FIELD_PREP(SMI_CMD_ADDR_MASK, addr)) | \
+	(FIELD_PREP(SMI_CMD_REG_MASK, reg))
+#define SMI_CMD_SET_C45_ADDR(phyad, devad) \
+	(SMI_BUSY | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_45_OP_WRITE_ADDR)) | \
+	(FIELD_PREP(SMI_CMD_ADDR_MASK, phyad)) | \
+	(FIELD_PREP(SMI_CMD_REG_MASK, devad))
+#define SMI_CMD_READ_C45(phyad, devad) \
+	(SMI_BUSY | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_45_OP_READ)) | \
+	(FIELD_PREP(SMI_CMD_ADDR_MASK, phyad)) | \
+	(FIELD_PREP(SMI_CMD_REG_MASK, devad))
+#define SMI_CMD_WRITE_C45(phyad, devad) \
+	(SMI_BUSY | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_45_OP_WRITE)) | \
+	(FIELD_PREP(SMI_CMD_ADDR_MASK, phyad)) | \
+	(FIELD_PREP(SMI_CMD_REG_MASK, devad))
 
 /* ID register values for different switch models */
 #define PORT_SWITCH_ID_6020		0x0200
@@ -272,12 +288,37 @@ static int mv88e6xxx_phy_wait(struct udevice *dev)
 static int mv88e6xxx_phy_read_indirect(struct udevice *dev, int phyad, int devad, int reg)
 {
 	struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+	u16 smi_cmd;
 	int res;
 
+	if (devad >= 0) {
+		/*
+		 * For C45 we need to write the register address into the
+		 * PHY Data register first and then call the Write Address
+		 * Register OP in the PHY command register.
+		 */
+		res = mv88e6xxx_reg_write(dev, priv->global2,
+					  GLOBAL2_REG_PHY_DATA,
+					  reg);
+
+		res = mv88e6xxx_reg_write(dev, priv->global2,
+					  GLOBAL2_REG_PHY_CMD,
+					  SMI_CMD_SET_C45_ADDR(phyad, devad));
+
+		/* Wait for busy bit to clear */
+		res = mv88e6xxx_phy_wait(dev);
+		if (res < 0)
+			return res;
+
+		/* Set the actual C45 or C22 OP-s */
+		smi_cmd = SMI_CMD_READ_C45(phyad, devad);
+	} else
+		smi_cmd = SMI_CMD_READ(phyad, reg);
+
 	/* Issue command to read */
 	res = mv88e6xxx_reg_write(dev, priv->global2,
 				  GLOBAL2_REG_PHY_CMD,
-				  SMI_CMD_READ(phyad, reg));
+				  smi_cmd);
 
 	/* Wait for data to be read */
 	res = mv88e6xxx_phy_wait(dev);
@@ -293,8 +334,33 @@ static int mv88e6xxx_phy_write_indirect(struct udevice *dev, int phyad,
 					int devad, int reg, u16 data)
 {
 	struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+	u16 smi_cmd;
 	int res;
 
+	if (devad >= 0) {
+		/*
+		 * For C45 we need to write the register address into the
+		 * PHY Data register first and then call the Write Address
+		 * Register OP in the PHY command register.
+		 */
+		res = mv88e6xxx_reg_write(dev, priv->global2,
+					  GLOBAL2_REG_PHY_DATA,
+					  reg);
+
+		res = mv88e6xxx_reg_write(dev, priv->global2,
+					  GLOBAL2_REG_PHY_CMD,
+					  SMI_CMD_SET_C45_ADDR(phyad, devad));
+
+		/* Wait for busy bit to clear */
+		res = mv88e6xxx_phy_wait(dev);
+		if (res < 0)
+			return res;
+
+		/* Set the actual C45 or C22 OP-s */
+		smi_cmd = SMI_CMD_WRITE_C45(phyad, devad);
+	} else
+		smi_cmd = SMI_CMD_WRITE(phyad, reg);
+
 	/* Set the data to write */
 	res = mv88e6xxx_reg_write(dev, priv->global2,
 				  GLOBAL2_REG_PHY_DATA, data);
@@ -303,7 +369,7 @@ static int mv88e6xxx_phy_write_indirect(struct udevice *dev, int phyad,
 	/* Issue the write command */
 	res = mv88e6xxx_reg_write(dev, priv->global2,
 				  GLOBAL2_REG_PHY_CMD,
-				  SMI_CMD_WRITE(phyad, reg));
+				  smi_cmd);
 	if (res < 0)
 		return res;
 
diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index 8d32d73..f9d4782 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -81,7 +81,10 @@
 
 /* RGMIIDCTL bits */
 #define DP83869_RGMII_TX_CLK_DELAY_SHIFT	4
-#define DP83869_CLK_DELAY_DEF				7
+#define DP83869_CLK_DELAY_STEP			250
+#define DP83869_CLK_DELAY_MIN			250
+#define DP83869_CLK_DELAY_MAX			4000
+#define DP83869_CLK_DELAY_DEFAULT		2000
 
 /* CFG2 bits */
 #define MII_DP83869_CFG2_SPEEDOPT_10EN		0x0040
@@ -157,10 +160,6 @@ static int dp83869_config_port_mirroring(struct phy_device *phydev)
 	return 0;
 }
 
-static const int dp83869_internal_delay[] = {250, 500, 750, 1000, 1250, 1500,
-					     1750, 2000, 2250, 2500, 2750, 3000,
-					     3250, 3500, 3750, 4000};
-
 static int dp83869_set_strapped_mode(struct phy_device *phydev)
 {
 	struct dp83869_private *dp83869 = phydev->priv;
@@ -183,7 +182,6 @@ static int dp83869_set_strapped_mode(struct phy_device *phydev)
 static int dp83869_of_init(struct phy_device *phydev)
 {
 	struct dp83869_private * const dp83869 = phydev->priv;
-	const int delay_entries = ARRAY_SIZE(dp83869_internal_delay);
 	int ret;
 	ofnode node;
 
@@ -238,32 +236,45 @@ static int dp83869_of_init(struct phy_device *phydev)
 	dp83869->tx_fifo_depth = ofnode_read_s32_default(node, "tx-fifo-depth",
 							 DP83869_PHYCR_FIFO_DEPTH_4_B_NIB);
 
+	/* Internal clock delay values can be configured in steps of
+	 * 250ps (0.25ns). The register field for clock delay is 4-bits wide,
+	 * the values range from 0b0000 for 0.25ns to 0b1111 for 4ns.
+	 */
+
 	/* RX delay *must* be specified if internal delay of RX is used. */
 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
-		dp83869->rx_int_delay = ofnode_read_u32_default(node, "rx-internal-delay-ps",
-								DP83869_CLK_DELAY_DEF);
-		if (dp83869->rx_int_delay > delay_entries) {
-			dp83869->rx_int_delay = DP83869_CLK_DELAY_DEF;
-			pr_debug("rx-internal-delay-ps not set/invalid, default to %ups\n",
-				 dp83869_internal_delay[dp83869->rx_int_delay]);
+		dp83869->rx_int_delay = ofnode_read_u32_default(node,
+			"rx-internal-delay-ps", DP83869_CLK_DELAY_DEFAULT);
+		if (dp83869->rx_int_delay > DP83869_CLK_DELAY_MAX ||
+		    dp83869->rx_int_delay < DP83869_CLK_DELAY_MIN ||
+		    dp83869->rx_int_delay % DP83869_CLK_DELAY_STEP) {
+			dp83869->rx_int_delay = DP83869_CLK_DELAY_DEFAULT;
+			pr_warn("rx-internal-delay-ps not set/invalid, default"
+				" to %ups\n", DP83869_CLK_DELAY_DEFAULT);
 		}
 
-		dp83869->rx_int_delay = dp83869_internal_delay[dp83869->rx_int_delay];
+		dp83869->rx_int_delay =
+			(dp83869->rx_int_delay - DP83869_CLK_DELAY_STEP)
+			/ DP83869_CLK_DELAY_STEP;
 	}
 
-	/* TX delay *must* be specified if internal delay of RX is used. */
+	/* TX delay *must* be specified if internal delay of TX is used. */
 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
-		dp83869->tx_int_delay = ofnode_read_u32_default(node, "tx-internal-delay-ps",
-								DP83869_CLK_DELAY_DEF);
-		if (dp83869->tx_int_delay > delay_entries) {
-			dp83869->tx_int_delay = DP83869_CLK_DELAY_DEF;
-			pr_debug("tx-internal-delay-ps not set/invalid, default to %ups\n",
-				 dp83869_internal_delay[dp83869->tx_int_delay]);
+		dp83869->tx_int_delay = ofnode_read_u32_default(node,
+			"tx-internal-delay-ps", DP83869_CLK_DELAY_DEFAULT);
+		if (dp83869->tx_int_delay > DP83869_CLK_DELAY_MAX ||
+		    dp83869->tx_int_delay < DP83869_CLK_DELAY_MIN ||
+		    dp83869->tx_int_delay % DP83869_CLK_DELAY_STEP) {
+			dp83869->tx_int_delay = DP83869_CLK_DELAY_DEFAULT;
+			pr_warn("tx-internal-delay-ps not set/invalid, default"
+				" to %ups\n", DP83869_CLK_DELAY_DEFAULT);
 		}
 
-		dp83869->tx_int_delay = dp83869_internal_delay[dp83869->tx_int_delay];
+		dp83869->tx_int_delay =
+			(dp83869->tx_int_delay - DP83869_CLK_DELAY_STEP)
+			/ DP83869_CLK_DELAY_STEP;
 	}
 
 	return 0;
diff --git a/include/net.h b/include/net.h
index e254df7..e63a946 100644
--- a/include/net.h
+++ b/include/net.h
@@ -16,6 +16,7 @@
 #include <asm/cache.h>
 #include <asm/byteorder.h>	/* for nton* / ntoh* stuff */
 #include <env.h>
+#include <hexdump.h>
 #include <log.h>
 #include <time.h>
 #include <linux/if_ether.h>
@@ -29,6 +30,7 @@ struct udevice;
 #define DEBUG_DEV_PKT 0		/* Packets or info directed to the device */
 #define DEBUG_NET_PKT 0		/* Packets on info on the network at large */
 #define DEBUG_INT_STATE 0	/* Internal network state changes */
+#define DEBUG_NET_PKT_TRACE 0	/* Trace all packet data */
 
 /*
  *	The number of receive packet buffers, and the required packet buffer
@@ -640,6 +642,8 @@ uchar * net_get_async_tx_pkt_buf(void);
 /* Transmit a packet */
 static inline void net_send_packet(uchar *pkt, int len)
 {
+	if (DEBUG_NET_PKT_TRACE)
+		print_hex_dump_bytes("tx: ", DUMP_PREFIX_OFFSET, pkt, len);
 	/* Currently no way to return errors from eth_send() */
 	(void) eth_send(pkt, len);
 }
diff --git a/net/bootp.c b/net/bootp.c
index 7b0f45e..6800290 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -26,6 +26,7 @@
 #ifdef CONFIG_BOOTP_RANDOM_DELAY
 #include "net_rand.h"
 #endif
+#include <malloc.h>
 
 #define BOOTP_VENDOR_MAGIC	0x63825363	/* RFC1048 Magic Cookie */
 
@@ -601,6 +602,10 @@ static int dhcp_extended(u8 *e, int message_type, struct in_addr server_ip,
 	*e++  = 42;
 	*cnt += 1;
 #endif
+	if (IS_ENABLED(CONFIG_BOOTP_PXE_DHCP_OPTION)) {
+		*e++ = 209;	/* PXELINUX Config File */
+		*cnt += 1;
+	}
 	/* no options, so back up to avoid sending an empty request list */
 	if (*cnt == 0)
 		e -= 2;
@@ -909,6 +914,22 @@ static void dhcp_process_options(uchar *popt, uchar *end)
 				net_boot_file_name[size] = 0;
 			}
 			break;
+		case 209:	/* PXELINUX Config File */
+			if (IS_ENABLED(CONFIG_BOOTP_PXE_DHCP_OPTION)) {
+				/* In case it has already been allocated when get DHCP Offer packet,
+				 * free first to avoid memory leak.
+				 */
+				if (pxelinux_configfile)
+					free(pxelinux_configfile);
+
+				pxelinux_configfile = (char *)malloc((oplen + 1) * sizeof(char));
+
+				if (pxelinux_configfile)
+					strlcpy(pxelinux_configfile, popt + 2, oplen + 1);
+				else
+					printf("Error: Failed to allocate pxelinux_configfile\n");
+			}
+			break;
 		default:
 #if defined(CONFIG_BOOTP_VENDOREX)
 			if (dhcp_vendorex_proc(popt))
diff --git a/net/dhcpv6.c b/net/dhcpv6.c
index 73a1067..4aea779 100644
--- a/net/dhcpv6.c
+++ b/net/dhcpv6.c
@@ -304,7 +304,7 @@ static void dhcp6_parse_ia_options(struct dhcp6_option_hdr *ia_ptr, uchar *ia_op
 static void dhcp6_parse_options(uchar *rx_pkt, unsigned int len)
 {
 	uchar *option_ptr;
-	int sol_max_rt_sec, option_len;
+	int sol_max_rt_sec, option_len, param_len_1;
 	char *s, *e;
 	struct dhcp6_option_hdr *option_hdr;
 
@@ -390,14 +390,23 @@ static void dhcp6_parse_options(uchar *rx_pkt, unsigned int len)
 		case DHCP6_OPTION_OPT_BOOTFILE_PARAM:
 			if (IS_ENABLED(CONFIG_DHCP6_PXE_DHCP_OPTION)) {
 				debug("DHCP6_OPTION_OPT_BOOTFILE_PARAM FOUND\n");
+				/* if CONFIG_DHCP6_PXE_DHCP_OPTION is set the PXE config file path
+				 * is contained in the first OPT_BOOTFILE_PARAM argument
+				 */
+				param_len_1 = ntohs(*((u16 *)option_ptr));
+				option_ptr += sizeof(u16);
+				if (param_len_1 + sizeof(u16) > option_len) {
+					debug("Invalid BOOTFILE_PARAM param_len_1. Skipping\n");
+					break;
+				}
 
 				if (pxelinux_configfile)
 					free(pxelinux_configfile);
 
-				pxelinux_configfile = (char *)malloc((option_len + 1) *
+				pxelinux_configfile = (char *)malloc((param_len_1 + 1) *
 						      sizeof(char));
 				if (pxelinux_configfile)
-					strlcpy(pxelinux_configfile, option_ptr, option_len + 1);
+					strlcpy(pxelinux_configfile, option_ptr, param_len_1 + 1);
 				else
 					printf("Error: Failed to allocate pxelinux_configfile\n");
 
diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 4311f3f..3d0ec91 100644
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -562,10 +562,14 @@ static int eth_post_probe(struct udevice *dev)
 	/* Check if the device has a valid MAC address in device tree */
 	if (!eth_dev_get_mac_address(dev, pdata->enetaddr) ||
 	    !is_valid_ethaddr(pdata->enetaddr)) {
-		source = "ROM";
 		/* Check if the device has a MAC address in ROM */
-		if (eth_get_ops(dev)->read_rom_hwaddr)
-			eth_get_ops(dev)->read_rom_hwaddr(dev);
+		if (eth_get_ops(dev)->read_rom_hwaddr) {
+			int ret;
+
+			ret = eth_get_ops(dev)->read_rom_hwaddr(dev);
+			if (!ret)
+				source = "ROM";
+		}
 	}
 
 	eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
@@ -594,7 +598,7 @@ static int eth_post_probe(struct udevice *dev)
 		eth_env_set_enetaddr_by_index("eth", dev_seq(dev),
 					      pdata->enetaddr);
 #else
-		printf("\nError: %s address not set.\n",
+		printf("\nError: %s No valid MAC address found.\n",
 		       dev->name);
 		return -EINVAL;
 #endif
diff --git a/net/net.c b/net/net.c
index 8357f08..0fb2d25 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1201,6 +1201,9 @@ void net_process_received_packet(uchar *in_packet, int len)
 	ushort cti = 0, vlanid = VLAN_NONE, myvlanid, mynvlanid;
 
 	debug_cond(DEBUG_NET_PKT, "packet received\n");
+	if (DEBUG_NET_PKT_TRACE)
+		print_hex_dump_bytes("rx: ", DUMP_PREFIX_OFFSET, in_packet,
+				     len);
 
 #if defined(CONFIG_CMD_PCAP)
 	pcap_post(in_packet, len, false);