openwrtv3/target/linux/sunxi/patches-4.9/0051-stmmac-form-4-11.patch

--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -49,6 +49,8 @@ Optional properties:
 - snps,force_sf_dma_mode	Force DMA to use the Store and Forward
 				mode for both tx and rx. This flag is
 				ignored if force_thresh_dma_mode is set.
+- snps,en-tx-lpi-clockgating	Enable gating of the MAC TX clock during
+				TX low-power mode
 - snps,multicast-filter-bins:	Number of multicast filter hash bins
 				supported by this device instance
 - snps,perfect-filter-entries:	Number of perfect filter entries supported
@@ -65,7 +67,6 @@ Optional properties:
 	- snps,wr_osr_lmt: max write outstanding req. limit
 	- snps,rd_osr_lmt: max read outstanding req. limit
 	- snps,kbbe: do not cross 1KiB boundary.
-	- snps,axi_all: align address
 	- snps,blen: this is a vector of supported burst length.
 	- snps,fb: fixed-burst
 	- snps,mb: mixed-burst
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -1,5 +1,5 @@
 config STMMAC_ETH
-	tristate "STMicroelectronics 10/100/1000 Ethernet driver"
+	tristate "STMicroelectronics 10/100/1000/EQOS Ethernet driver"
 	depends on HAS_IOMEM && HAS_DMA
 	select MII
 	select PHYLIB
@@ -7,9 +7,8 @@ config STMMAC_ETH
 	select PTP_1588_CLOCK
 	select RESET_CONTROLLER
 	---help---
-	  This is the driver for the Ethernet IPs are built around a
-	  Synopsys IP Core and only tested on the STMicroelectronics
-	  platforms.
+	  This is the driver for the Ethernet IPs built around a
+	  Synopsys IP Core.
 
 if STMMAC_ETH
 
@@ -29,6 +28,15 @@ config STMMAC_PLATFORM
 
 if STMMAC_PLATFORM
 
+config DWMAC_DWC_QOS_ETH
+	tristate "Support for snps,dwc-qos-ethernet.txt DT binding."
+	select PHYLIB
+	select CRC32
+	select MII
+	depends on OF && HAS_DMA
+	help
+	  Support for chips using the snps,dwc-qos-ethernet.txt DT binding.
+
 config DWMAC_GENERIC
 	tristate "Generic driver for DWMAC"
 	default STMMAC_PLATFORM
@@ -143,11 +151,11 @@ config STMMAC_PCI
 	tristate "STMMAC PCI bus support"
 	depends on STMMAC_ETH && PCI
 	---help---
-	  This is to select the Synopsys DWMAC available on PCI devices,
-	  if you have a controller with this interface, say Y or M here.
+	  This selects the platform specific bus support for the stmmac driver.
+	  This driver was tested on XLINX XC2V3000 FF1152AMT0221
+	  D1215994A VIRTEX FPGA board and SNPS QoS IPK Prototyping Kit.
 
-	  This PCI support is tested on XLINX XC2V3000 FF1152AMT0221
-	  D1215994A VIRTEX FPGA board.
+	  If you have a controller with this interface, say Y or M here.
 
 	  If unsure, say N.
 endif
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_DWMAC_SOCFPGA)	+= dwmac-alt
 obj-$(CONFIG_DWMAC_STI)		+= dwmac-sti.o
 obj-$(CONFIG_DWMAC_STM32)	+= dwmac-stm32.o
 obj-$(CONFIG_DWMAC_SUNXI)	+= dwmac-sunxi.o
+obj-$(CONFIG_DWMAC_DWC_QOS_ETH)	+= dwmac-dwc-qos-eth.o
 obj-$(CONFIG_DWMAC_GENERIC)	+= dwmac-generic.o
 stmmac-platform-objs:= stmmac_platform.o
 dwmac-altr-socfpga-objs := altr_tse_pcs.o dwmac-socfpga.o
--- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
@@ -16,10 +16,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -71,7 +67,7 @@ struct stmmac_extra_stats {
 	unsigned long overflow_error;
 	unsigned long ipc_csum_error;
 	unsigned long rx_collision;
-	unsigned long rx_crc;
+	unsigned long rx_crc_errors;
 	unsigned long dribbling_bit;
 	unsigned long rx_length;
 	unsigned long rx_mii;
@@ -323,6 +319,9 @@ struct dma_features {
 	/* TX and RX number of channels */
 	unsigned int number_rx_channel;
 	unsigned int number_tx_channel;
+	/* TX and RX number of queues */
+	unsigned int number_rx_queues;
+	unsigned int number_tx_queues;
 	/* Alternate (enhanced) DESC mode */
 	unsigned int enh_desc;
 };
@@ -340,7 +339,7 @@ struct dma_features {
 /* Common MAC defines */
 #define MAC_CTRL_REG		0x00000000	/* MAC Control */
 #define MAC_ENABLE_TX		0x00000008	/* Transmitter Enable */
-#define MAC_RNABLE_RX		0x00000004	/* Receiver Enable */
+#define MAC_ENABLE_RX		0x00000004	/* Receiver Enable */
 
 /* Default LPI timers */
 #define STMMAC_DEFAULT_LIT_LS	0x3E8
@@ -417,7 +416,7 @@ struct stmmac_dma_ops {
 	/* Configure the AXI Bus Mode Register */
 	void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi);
 	/* Dump DMA registers */
-	void (*dump_regs) (void __iomem *ioaddr);
+	void (*dump_regs)(void __iomem *ioaddr, u32 *reg_space);
 	/* Set tx/rx threshold in the csr6 register
 	 * An invalid value enables the store-and-forward mode */
 	void (*dma_mode)(void __iomem *ioaddr, int txmode, int rxmode,
@@ -454,8 +453,10 @@ struct stmmac_ops {
 	void (*core_init)(struct mac_device_info *hw, int mtu);
 	/* Enable and verify that the IPC module is supported */
 	int (*rx_ipc)(struct mac_device_info *hw);
+	/* Enable RX Queues */
+	void (*rx_queue_enable)(struct mac_device_info *hw, u32 queue);
 	/* Dump MAC registers */
-	void (*dump_regs)(struct mac_device_info *hw);
+	void (*dump_regs)(struct mac_device_info *hw, u32 *reg_space);
 	/* Handle extra events on specific interrupts hw dependent */
 	int (*host_irq_status)(struct mac_device_info *hw,
 			       struct stmmac_extra_stats *x);
@@ -471,7 +472,8 @@ struct stmmac_ops {
 			      unsigned int reg_n);
 	void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
 			      unsigned int reg_n);
-	void (*set_eee_mode)(struct mac_device_info *hw);
+	void (*set_eee_mode)(struct mac_device_info *hw,
+			     bool en_tx_lpi_clockgating);
 	void (*reset_eee_mode)(struct mac_device_info *hw);
 	void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw);
 	void (*set_eee_pls)(struct mac_device_info *hw, int link);
--- a/drivers/net/ethernet/stmicro/stmmac/descs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/descs.h
@@ -11,10 +11,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h
+++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
@@ -17,10 +17,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -0,0 +1,202 @@
+/*
+ * Synopsys DWC Ethernet Quality-of-Service v4.10a linux driver
+ *
+ * Copyright (C) 2016 Joao Pinto <jpinto@synopsys.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/ethtool.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/of_net.h>
+#include <linux/mfd/syscon.h>
+#include <linux/platform_device.h>
+#include <linux/stmmac.h>
+
+#include "stmmac_platform.h"
+
+static int dwc_eth_dwmac_config_dt(struct platform_device *pdev,
+				   struct plat_stmmacenet_data *plat_dat)
+{
+	struct device_node *np = pdev->dev.of_node;
+	u32 burst_map = 0;
+	u32 bit_index = 0;
+	u32 a_index = 0;
+
+	if (!plat_dat->axi) {
+		plat_dat->axi = kzalloc(sizeof(struct stmmac_axi), GFP_KERNEL);
+
+		if (!plat_dat->axi)
+			return -ENOMEM;
+	}
+
+	plat_dat->axi->axi_lpi_en = of_property_read_bool(np, "snps,en-lpi");
+	if (of_property_read_u32(np, "snps,write-requests",
+				 &plat_dat->axi->axi_wr_osr_lmt)) {
+		/**
+		 * Since the register has a reset value of 1, if property
+		 * is missing, default to 1.
+		 */
+		plat_dat->axi->axi_wr_osr_lmt = 1;
+	} else {
+		/**
+		 * If property exists, to keep the behavior from dwc_eth_qos,
+		 * subtract one after parsing.
+		 */
+		plat_dat->axi->axi_wr_osr_lmt--;
+	}
+
+	if (of_property_read_u32(np, "read,read-requests",
+				 &plat_dat->axi->axi_rd_osr_lmt)) {
+		/**
+		 * Since the register has a reset value of 1, if property
+		 * is missing, default to 1.
+		 */
+		plat_dat->axi->axi_rd_osr_lmt = 1;
+	} else {
+		/**
+		 * If property exists, to keep the behavior from dwc_eth_qos,
+		 * subtract one after parsing.
+		 */
+		plat_dat->axi->axi_rd_osr_lmt--;
+	}
+	of_property_read_u32(np, "snps,burst-map", &burst_map);
+
+	/* converts burst-map bitmask to burst array */
+	for (bit_index = 0; bit_index < 7; bit_index++) {
+		if (burst_map & (1 << bit_index)) {
+			switch (bit_index) {
+			case 0:
+			plat_dat->axi->axi_blen[a_index] = 4; break;
+			case 1:
+			plat_dat->axi->axi_blen[a_index] = 8; break;
+			case 2:
+			plat_dat->axi->axi_blen[a_index] = 16; break;
+			case 3:
+			plat_dat->axi->axi_blen[a_index] = 32; break;
+			case 4:
+			plat_dat->axi->axi_blen[a_index] = 64; break;
+			case 5:
+			plat_dat->axi->axi_blen[a_index] = 128; break;
+			case 6:
+			plat_dat->axi->axi_blen[a_index] = 256; break;
+			default:
+			break;
+			}
+			a_index++;
+		}
+	}
+
+	/* dwc-qos needs GMAC4, AAL, TSO and PMT */
+	plat_dat->has_gmac4 = 1;
+	plat_dat->dma_cfg->aal = 1;
+	plat_dat->tso_en = 1;
+	plat_dat->pmt = 1;
+
+	return 0;
+}
+
+static int dwc_eth_dwmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	struct resource *res;
+	int ret;
+
+	memset(&stmmac_res, 0, sizeof(struct stmmac_resources));
+
+	/**
+	 * Since stmmac_platform supports name IRQ only, basic platform
+	 * resource initialization is done in the glue logic.
+	 */
+	stmmac_res.irq = platform_get_irq(pdev, 0);
+	if (stmmac_res.irq < 0) {
+		if (stmmac_res.irq != -EPROBE_DEFER)
+			dev_err(&pdev->dev,
+				"IRQ configuration information not found\n");
+
+		return stmmac_res.irq;
+	}
+	stmmac_res.wol_irq = stmmac_res.irq;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	stmmac_res.addr = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(stmmac_res.addr))
+		return PTR_ERR(stmmac_res.addr);
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
+	plat_dat->stmmac_clk = devm_clk_get(&pdev->dev, "apb_pclk");
+	if (IS_ERR(plat_dat->stmmac_clk)) {
+		dev_err(&pdev->dev, "apb_pclk clock not found.\n");
+		ret = PTR_ERR(plat_dat->stmmac_clk);
+		plat_dat->stmmac_clk = NULL;
+		goto err_remove_config_dt;
+	}
+	clk_prepare_enable(plat_dat->stmmac_clk);
+
+	plat_dat->pclk = devm_clk_get(&pdev->dev, "phy_ref_clk");
+	if (IS_ERR(plat_dat->pclk)) {
+		dev_err(&pdev->dev, "phy_ref_clk clock not found.\n");
+		ret = PTR_ERR(plat_dat->pclk);
+		plat_dat->pclk = NULL;
+		goto err_out_clk_dis_phy;
+	}
+	clk_prepare_enable(plat_dat->pclk);
+
+	ret = dwc_eth_dwmac_config_dt(pdev, plat_dat);
+	if (ret)
+		goto err_out_clk_dis_aper;
+
+	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+	if (ret)
+		goto err_out_clk_dis_aper;
+
+	return 0;
+
+err_out_clk_dis_aper:
+	clk_disable_unprepare(plat_dat->pclk);
+err_out_clk_dis_phy:
+	clk_disable_unprepare(plat_dat->stmmac_clk);
+err_remove_config_dt:
+	stmmac_remove_config_dt(pdev, plat_dat);
+
+	return ret;
+}
+
+static int dwc_eth_dwmac_remove(struct platform_device *pdev)
+{
+	return stmmac_pltfr_remove(pdev);
+}
+
+static const struct of_device_id dwc_eth_dwmac_match[] = {
+	{ .compatible = "snps,dwc-qos-ethernet-4.10", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, dwc_eth_dwmac_match);
+
+static struct platform_driver dwc_eth_dwmac_driver = {
+	.probe  = dwc_eth_dwmac_probe,
+	.remove = dwc_eth_dwmac_remove,
+	.driver = {
+		.name           = "dwc-eth-dwmac",
+		.of_match_table = dwc_eth_dwmac_match,
+	},
+};
+module_platform_driver(dwc_eth_dwmac_driver);
+
+MODULE_AUTHOR("Joao Pinto <jpinto@synopsys.com>");
+MODULE_DESCRIPTION("Synopsys DWC Ethernet Quality-of-Service v4.10a driver");
+MODULE_LICENSE("GPL v2");
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -35,10 +35,6 @@
 
 #define PRG_ETH0_TXDLY_SHIFT		5
 #define PRG_ETH0_TXDLY_MASK		GENMASK(6, 5)
-#define PRG_ETH0_TXDLY_OFF		(0x0 << PRG_ETH0_TXDLY_SHIFT)
-#define PRG_ETH0_TXDLY_QUARTER		(0x1 << PRG_ETH0_TXDLY_SHIFT)
-#define PRG_ETH0_TXDLY_HALF		(0x2 << PRG_ETH0_TXDLY_SHIFT)
-#define PRG_ETH0_TXDLY_THREE_QUARTERS	(0x3 << PRG_ETH0_TXDLY_SHIFT)
 
 /* divider for the result of m250_sel */
 #define PRG_ETH0_CLK_M250_DIV_SHIFT	7
@@ -69,6 +65,8 @@ struct meson8b_dwmac {
 
 	struct clk_divider	m25_div;
 	struct clk		*m25_div_clk;
+
+	u32			tx_delay_ns;
 };
 
 static void meson8b_dwmac_mask_bits(struct meson8b_dwmac *dwmac, u32 reg,
@@ -179,11 +177,19 @@ static int meson8b_init_prg_eth(struct m
 {
 	int ret;
 	unsigned long clk_rate;
+	u8 tx_dly_val = 0;
 
 	switch (dwmac->phy_mode) {
 	case PHY_INTERFACE_MODE_RGMII:
-	case PHY_INTERFACE_MODE_RGMII_ID:
 	case PHY_INTERFACE_MODE_RGMII_RXID:
+		/* TX clock delay in ns = "8ns / 4 * tx_dly_val" (where
+		 * 8ns are exactly one cycle of the 125MHz RGMII TX clock):
+		 * 0ns = 0x0, 2ns = 0x1, 4ns = 0x2, 6ns = 0x3
+		 */
+		tx_dly_val = dwmac->tx_delay_ns >> 1;
+		/* fall through */
+
+	case PHY_INTERFACE_MODE_RGMII_ID:
 	case PHY_INTERFACE_MODE_RGMII_TXID:
 		/* Generate a 25MHz clock for the PHY */
 		clk_rate = 25 * 1000 * 1000;
@@ -196,9 +202,8 @@ static int meson8b_init_prg_eth(struct m
 		meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
 					PRG_ETH0_INVERTED_RMII_CLK, 0);
 
-		/* TX clock delay - all known boards use a 1/4 cycle delay */
 		meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK,
-					PRG_ETH0_TXDLY_QUARTER);
+					tx_dly_val << PRG_ETH0_TXDLY_SHIFT);
 		break;
 
 	case PHY_INTERFACE_MODE_RMII:
@@ -284,6 +289,11 @@ static int meson8b_dwmac_probe(struct pl
 		goto err_remove_config_dt;
 	}
 
+	/* use 2ns as fallback since this value was previously hardcoded */
+	if (of_property_read_u32(pdev->dev.of_node, "amlogic,tx-delay-ns",
+				 &dwmac->tx_delay_ns))
+		dwmac->tx_delay_ns = 2;
+
 	ret = meson8b_init_clk(dwmac);
 	if (ret)
 		goto err_remove_config_dt;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -302,6 +302,122 @@ static const struct rk_gmac_ops rk3288_o
 	.set_rmii_speed = rk3288_set_rmii_speed,
 };
 
+#define RK3328_GRF_MAC_CON0	0x0900
+#define RK3328_GRF_MAC_CON1	0x0904
+
+/* RK3328_GRF_MAC_CON0 */
+#define RK3328_GMAC_CLK_RX_DL_CFG(val)	HIWORD_UPDATE(val, 0x7F, 7)
+#define RK3328_GMAC_CLK_TX_DL_CFG(val)	HIWORD_UPDATE(val, 0x7F, 0)
+
+/* RK3328_GRF_MAC_CON1 */
+#define RK3328_GMAC_PHY_INTF_SEL_RGMII	\
+		(GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6))
+#define RK3328_GMAC_PHY_INTF_SEL_RMII	\
+		(GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6))
+#define RK3328_GMAC_FLOW_CTRL		GRF_BIT(3)
+#define RK3328_GMAC_FLOW_CTRL_CLR	GRF_CLR_BIT(3)
+#define RK3328_GMAC_SPEED_10M		GRF_CLR_BIT(2)
+#define RK3328_GMAC_SPEED_100M		GRF_BIT(2)
+#define RK3328_GMAC_RMII_CLK_25M	GRF_BIT(7)
+#define RK3328_GMAC_RMII_CLK_2_5M	GRF_CLR_BIT(7)
+#define RK3328_GMAC_CLK_125M		(GRF_CLR_BIT(11) | GRF_CLR_BIT(12))
+#define RK3328_GMAC_CLK_25M		(GRF_BIT(11) | GRF_BIT(12))
+#define RK3328_GMAC_CLK_2_5M		(GRF_CLR_BIT(11) | GRF_BIT(12))
+#define RK3328_GMAC_RMII_MODE		GRF_BIT(9)
+#define RK3328_GMAC_RMII_MODE_CLR	GRF_CLR_BIT(9)
+#define RK3328_GMAC_TXCLK_DLY_ENABLE	GRF_BIT(0)
+#define RK3328_GMAC_TXCLK_DLY_DISABLE	GRF_CLR_BIT(0)
+#define RK3328_GMAC_RXCLK_DLY_ENABLE	GRF_BIT(1)
+#define RK3328_GMAC_RXCLK_DLY_DISABLE	GRF_CLR_BIT(0)
+
+static void rk3328_set_to_rgmii(struct rk_priv_data *bsp_priv,
+				int tx_delay, int rx_delay)
+{
+	struct device *dev = &bsp_priv->pdev->dev;
+
+	if (IS_ERR(bsp_priv->grf)) {
+		dev_err(dev, "Missing rockchip,grf property\n");
+		return;
+	}
+
+	regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+		     RK3328_GMAC_PHY_INTF_SEL_RGMII |
+		     RK3328_GMAC_RMII_MODE_CLR |
+		     RK3328_GMAC_RXCLK_DLY_ENABLE |
+		     RK3328_GMAC_TXCLK_DLY_ENABLE);
+
+	regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON0,
+		     RK3328_GMAC_CLK_RX_DL_CFG(rx_delay) |
+		     RK3328_GMAC_CLK_TX_DL_CFG(tx_delay));
+}
+
+static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv)
+{
+	struct device *dev = &bsp_priv->pdev->dev;
+
+	if (IS_ERR(bsp_priv->grf)) {
+		dev_err(dev, "Missing rockchip,grf property\n");
+		return;
+	}
+
+	regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+		     RK3328_GMAC_PHY_INTF_SEL_RMII |
+		     RK3328_GMAC_RMII_MODE);
+
+	/* set MAC to RMII mode */
+	regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1, GRF_BIT(11));
+}
+
+static void rk3328_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
+{
+	struct device *dev = &bsp_priv->pdev->dev;
+
+	if (IS_ERR(bsp_priv->grf)) {
+		dev_err(dev, "Missing rockchip,grf property\n");
+		return;
+	}
+
+	if (speed == 10)
+		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+			     RK3328_GMAC_CLK_2_5M);
+	else if (speed == 100)
+		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+			     RK3328_GMAC_CLK_25M);
+	else if (speed == 1000)
+		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+			     RK3328_GMAC_CLK_125M);
+	else
+		dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
+}
+
+static void rk3328_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
+{
+	struct device *dev = &bsp_priv->pdev->dev;
+
+	if (IS_ERR(bsp_priv->grf)) {
+		dev_err(dev, "Missing rockchip,grf property\n");
+		return;
+	}
+
+	if (speed == 10)
+		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+			     RK3328_GMAC_RMII_CLK_2_5M |
+			     RK3328_GMAC_SPEED_10M);
+	else if (speed == 100)
+		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
+			     RK3328_GMAC_RMII_CLK_25M |
+			     RK3328_GMAC_SPEED_100M);
+	else
+		dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
+}
+
+static const struct rk_gmac_ops rk3328_ops = {
+	.set_to_rgmii = rk3328_set_to_rgmii,
+	.set_to_rmii = rk3328_set_to_rmii,
+	.set_rgmii_speed = rk3328_set_rgmii_speed,
+	.set_rmii_speed = rk3328_set_rmii_speed,
+};
+
 #define RK3366_GRF_SOC_CON6	0x0418
 #define RK3366_GRF_SOC_CON7	0x041c
 
@@ -1006,6 +1122,7 @@ static SIMPLE_DEV_PM_OPS(rk_gmac_pm_ops,
 static const struct of_device_id rk_gmac_dwmac_match[] = {
 	{ .compatible = "rockchip,rk3228-gmac", .data = &rk3228_ops },
 	{ .compatible = "rockchip,rk3288-gmac", .data = &rk3288_ops },
+	{ .compatible = "rockchip,rk3328-gmac", .data = &rk3328_ops },
 	{ .compatible = "rockchip,rk3366-gmac", .data = &rk3366_ops },
 	{ .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops },
 	{ .compatible = "rockchip,rk3399-gmac", .data = &rk3399_ops },
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -341,7 +341,7 @@ static int socfpga_dwmac_probe(struct pl
 	 * mode. Create a copy of the core reset handle so it can be used by
 	 * the driver later.
 	 */
-	dwmac->stmmac_rst = stpriv->stmmac_rst;
+	dwmac->stmmac_rst = stpriv->plat->stmmac_rst;
 
 	ret = socfpga_dwmac_set_phy_mode(dwmac);
 	if (ret)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100.h
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h
@@ -10,10 +10,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -16,10 +16,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -96,17 +92,13 @@ static int dwmac1000_rx_ipc_enable(struc
 	return !!(value & GMAC_CONTROL_IPC);
 }
 
-static void dwmac1000_dump_regs(struct mac_device_info *hw)
+static void dwmac1000_dump_regs(struct mac_device_info *hw, u32 *reg_space)
 {
 	void __iomem *ioaddr = hw->pcsr;
 	int i;
-	pr_info("\tDWMAC1000 regs (base addr = 0x%p)\n", ioaddr);
 
-	for (i = 0; i < 55; i++) {
-		int offset = i * 4;
-		pr_info("\tReg No. %d (offset 0x%x): 0x%08x\n", i,
-			offset, readl(ioaddr + offset));
-	}
+	for (i = 0; i < 55; i++)
+		reg_space[i] = readl(ioaddr + i * 4);
 }
 
 static void dwmac1000_set_umac_addr(struct mac_device_info *hw,
@@ -347,11 +339,14 @@ static int dwmac1000_irq_status(struct m
 	return ret;
 }
 
-static void dwmac1000_set_eee_mode(struct mac_device_info *hw)
+static void dwmac1000_set_eee_mode(struct mac_device_info *hw,
+				   bool en_tx_lpi_clockgating)
 {
 	void __iomem *ioaddr = hw->pcsr;
 	u32 value;
 
+	/*TODO - en_tx_lpi_clockgating treatment */
+
 	/* Enable the link status receive on RGMII, SGMII ore SMII
 	 * receive path and instruct the transmit to enter in LPI
 	 * state.
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -16,10 +16,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -205,18 +201,14 @@ static void dwmac1000_dma_operation_mode
 	writel(csr6, ioaddr + DMA_CONTROL);
 }
 
-static void dwmac1000_dump_dma_regs(void __iomem *ioaddr)
+static void dwmac1000_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space)
 {
 	int i;
-	pr_info(" DMA registers\n");
-	for (i = 0; i < 22; i++) {
-		if ((i < 9) || (i > 17)) {
-			int offset = i * 4;
-			pr_err("\t Reg No. %d (offset 0x%x): 0x%08x\n", i,
-			       (DMA_BUS_MODE + offset),
-			       readl(ioaddr + DMA_BUS_MODE + offset));
-		}
-	}
+
+	for (i = 0; i < 22; i++)
+		if ((i < 9) || (i > 17))
+			reg_space[DMA_BUS_MODE / 4 + i] =
+				readl(ioaddr + DMA_BUS_MODE + i * 4);
 }
 
 static void dwmac1000_get_hw_feature(void __iomem *ioaddr,
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
@@ -18,10 +18,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -44,28 +40,18 @@ static void dwmac100_core_init(struct ma
 #endif
 }
 
-static void dwmac100_dump_mac_regs(struct mac_device_info *hw)
+static void dwmac100_dump_mac_regs(struct mac_device_info *hw, u32 *reg_space)
 {
 	void __iomem *ioaddr = hw->pcsr;
-	pr_info("\t----------------------------------------------\n"
-		"\t  DWMAC 100 CSR (base addr = 0x%p)\n"
-		"\t----------------------------------------------\n", ioaddr);
-	pr_info("\tcontrol reg (offset 0x%x): 0x%08x\n", MAC_CONTROL,
-		readl(ioaddr + MAC_CONTROL));
-	pr_info("\taddr HI (offset 0x%x): 0x%08x\n ", MAC_ADDR_HIGH,
-		readl(ioaddr + MAC_ADDR_HIGH));
-	pr_info("\taddr LO (offset 0x%x): 0x%08x\n", MAC_ADDR_LOW,
-		readl(ioaddr + MAC_ADDR_LOW));
-	pr_info("\tmulticast hash HI (offset 0x%x): 0x%08x\n",
-		MAC_HASH_HIGH, readl(ioaddr + MAC_HASH_HIGH));
-	pr_info("\tmulticast hash LO (offset 0x%x): 0x%08x\n",
-		MAC_HASH_LOW, readl(ioaddr + MAC_HASH_LOW));
-	pr_info("\tflow control (offset 0x%x): 0x%08x\n",
-		MAC_FLOW_CTRL, readl(ioaddr + MAC_FLOW_CTRL));
-	pr_info("\tVLAN1 tag (offset 0x%x): 0x%08x\n", MAC_VLAN1,
-		readl(ioaddr + MAC_VLAN1));
-	pr_info("\tVLAN2 tag (offset 0x%x): 0x%08x\n", MAC_VLAN2,
-		readl(ioaddr + MAC_VLAN2));
+
+	reg_space[MAC_CONTROL / 4] = readl(ioaddr + MAC_CONTROL);
+	reg_space[MAC_ADDR_HIGH / 4] = readl(ioaddr + MAC_ADDR_HIGH);
+	reg_space[MAC_ADDR_LOW / 4] = readl(ioaddr + MAC_ADDR_LOW);
+	reg_space[MAC_HASH_HIGH / 4] = readl(ioaddr + MAC_HASH_HIGH);
+	reg_space[MAC_HASH_LOW / 4] = readl(ioaddr + MAC_HASH_LOW);
+	reg_space[MAC_FLOW_CTRL / 4] = readl(ioaddr + MAC_FLOW_CTRL);
+	reg_space[MAC_VLAN1 / 4] = readl(ioaddr + MAC_VLAN1);
+	reg_space[MAC_VLAN2 / 4] = readl(ioaddr + MAC_VLAN2);
 }
 
 static int dwmac100_rx_ipc_enable(struct mac_device_info *hw)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -18,10 +18,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -70,19 +66,18 @@ static void dwmac100_dma_operation_mode(
 	writel(csr6, ioaddr + DMA_CONTROL);
 }
 
-static void dwmac100_dump_dma_regs(void __iomem *ioaddr)
+static void dwmac100_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space)
 {
 	int i;
 
-	pr_debug("DWMAC 100 DMA CSR\n");
 	for (i = 0; i < 9; i++)
-		pr_debug("\t CSR%d (offset 0x%x): 0x%08x\n", i,
-			 (DMA_BUS_MODE + i * 4),
-			 readl(ioaddr + DMA_BUS_MODE + i * 4));
-
-	pr_debug("\tCSR20 (0x%x): 0x%08x, CSR21 (0x%x): 0x%08x\n",
-		 DMA_CUR_TX_BUF_ADDR, readl(ioaddr + DMA_CUR_TX_BUF_ADDR),
-		 DMA_CUR_RX_BUF_ADDR, readl(ioaddr + DMA_CUR_RX_BUF_ADDR));
+		reg_space[DMA_BUS_MODE / 4 + i] =
+			readl(ioaddr + DMA_BUS_MODE + i * 4);
+
+	reg_space[DMA_CUR_TX_BUF_ADDR / 4] =
+		readl(ioaddr + DMA_CUR_TX_BUF_ADDR);
+	reg_space[DMA_CUR_RX_BUF_ADDR / 4] =
+		readl(ioaddr + DMA_CUR_RX_BUF_ADDR);
 }
 
 /* DMA controller has two counters to track the number of the missed frames. */
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
@@ -22,6 +22,7 @@
 #define GMAC_HASH_TAB_32_63		0x00000014
 #define GMAC_RX_FLOW_CTRL		0x00000090
 #define GMAC_QX_TX_FLOW_CTRL(x)		(0x70 + x * 4)
+#define GMAC_RXQ_CTRL0			0x000000a0
 #define GMAC_INT_STATUS			0x000000b0
 #define GMAC_INT_EN			0x000000b4
 #define GMAC_PCS_BASE			0x000000e0
@@ -44,6 +45,11 @@
 
 #define GMAC_MAX_PERFECT_ADDRESSES	128
 
+/* MAC RX Queue Enable */
+#define GMAC_RX_QUEUE_CLEAR(queue)	~(GENMASK(1, 0) << ((queue) * 2))
+#define GMAC_RX_AV_QUEUE_ENABLE(queue)	BIT((queue) * 2)
+#define GMAC_RX_DCB_QUEUE_ENABLE(queue)	BIT(((queue) * 2) + 1)
+
 /* MAC Flow Control RX */
 #define GMAC_RX_FLOW_CTRL_RFE		BIT(0)
 
@@ -84,6 +90,19 @@ enum power_event {
 	power_down = 0x00000001,
 };
 
+/* Energy Efficient Ethernet (EEE) for GMAC4
+ *
+ * LPI status, timer and control register offset
+ */
+#define GMAC4_LPI_CTRL_STATUS	0xd0
+#define GMAC4_LPI_TIMER_CTRL	0xd4
+
+/* LPI control and status defines */
+#define GMAC4_LPI_CTRL_STATUS_LPITCSE	BIT(21)	/* LPI Tx Clock Stop Enable */
+#define GMAC4_LPI_CTRL_STATUS_LPITXA	BIT(19)	/* Enable LPI TX Automate */
+#define GMAC4_LPI_CTRL_STATUS_PLS	BIT(17) /* PHY Link Status */
+#define GMAC4_LPI_CTRL_STATUS_LPIEN	BIT(16)	/* LPI Enable */
+
 /* MAC Debug bitmap */
 #define GMAC_DEBUG_TFCSTS_MASK		GENMASK(18, 17)
 #define GMAC_DEBUG_TFCSTS_SHIFT		17
@@ -133,6 +152,8 @@ enum power_event {
 /* MAC HW features2 bitmap */
 #define GMAC_HW_FEAT_TXCHCNT		GENMASK(21, 18)
 #define GMAC_HW_FEAT_RXCHCNT		GENMASK(15, 12)
+#define GMAC_HW_FEAT_TXQCNT		GENMASK(9, 6)
+#define GMAC_HW_FEAT_RXQCNT		GENMASK(3, 0)
 
 /* MAC HW ADDR regs */
 #define GMAC_HI_DCS			GENMASK(18, 16)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -59,19 +59,24 @@ static void dwmac4_core_init(struct mac_
 	writel(value, ioaddr + GMAC_INT_EN);
 }
 
-static void dwmac4_dump_regs(struct mac_device_info *hw)
+static void dwmac4_rx_queue_enable(struct mac_device_info *hw, u32 queue)
 {
 	void __iomem *ioaddr = hw->pcsr;
-	int i;
+	u32 value = readl(ioaddr + GMAC_RXQ_CTRL0);
 
-	pr_debug("\tDWMAC4 regs (base addr = 0x%p)\n", ioaddr);
+	value &= GMAC_RX_QUEUE_CLEAR(queue);
+	value |= GMAC_RX_AV_QUEUE_ENABLE(queue);
 
-	for (i = 0; i < GMAC_REG_NUM; i++) {
-		int offset = i * 4;
+	writel(value, ioaddr + GMAC_RXQ_CTRL0);
+}
 
-		pr_debug("\tReg No. %d (offset 0x%x): 0x%08x\n", i,
-			 offset, readl(ioaddr + offset));
-	}
+static void dwmac4_dump_regs(struct mac_device_info *hw, u32 *reg_space)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	int i;
+
+	for (i = 0; i < GMAC_REG_NUM; i++)
+		reg_space[i] = readl(ioaddr + i * 4);
 }
 
 static int dwmac4_rx_ipc_enable(struct mac_device_info *hw)
@@ -126,6 +131,65 @@ static void dwmac4_get_umac_addr(struct
 				   GMAC_ADDR_LOW(reg_n));
 }
 
+static void dwmac4_set_eee_mode(struct mac_device_info *hw,
+				bool en_tx_lpi_clockgating)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 value;
+
+	/* Enable the link status receive on RGMII, SGMII ore SMII
+	 * receive path and instruct the transmit to enter in LPI
+	 * state.
+	 */
+	value = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
+	value |= GMAC4_LPI_CTRL_STATUS_LPIEN | GMAC4_LPI_CTRL_STATUS_LPITXA;
+
+	if (en_tx_lpi_clockgating)
+		value |= GMAC4_LPI_CTRL_STATUS_LPITCSE;
+
+	writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
+}
+
+static void dwmac4_reset_eee_mode(struct mac_device_info *hw)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 value;
+
+	value = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
+	value &= ~(GMAC4_LPI_CTRL_STATUS_LPIEN | GMAC4_LPI_CTRL_STATUS_LPITXA);
+	writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
+}
+
+static void dwmac4_set_eee_pls(struct mac_device_info *hw, int link)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 value;
+
+	value = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
+
+	if (link)
+		value |= GMAC4_LPI_CTRL_STATUS_PLS;
+	else
+		value &= ~GMAC4_LPI_CTRL_STATUS_PLS;
+
+	writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
+}
+
+static void dwmac4_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	int value = ((tw & 0xffff)) | ((ls & 0x3ff) << 16);
+
+	/* Program the timers in the LPI timer control register:
+	 * LS: minimum time (ms) for which the link
+	 *  status from PHY should be ok before transmitting
+	 *  the LPI pattern.
+	 * TW: minimum time (us) for which the core waits
+	 *  after it has stopped transmitting the LPI pattern.
+	 */
+	writel(value, ioaddr + GMAC4_LPI_TIMER_CTRL);
+}
+
 static void dwmac4_set_filter(struct mac_device_info *hw,
 			      struct net_device *dev)
 {
@@ -392,12 +456,17 @@ static void dwmac4_debug(void __iomem *i
 static const struct stmmac_ops dwmac4_ops = {
 	.core_init = dwmac4_core_init,
 	.rx_ipc = dwmac4_rx_ipc_enable,
+	.rx_queue_enable = dwmac4_rx_queue_enable,
 	.dump_regs = dwmac4_dump_regs,
 	.host_irq_status = dwmac4_irq_status,
 	.flow_ctrl = dwmac4_flow_ctrl,
 	.pmt = dwmac4_pmt,
 	.set_umac_addr = dwmac4_set_umac_addr,
 	.get_umac_addr = dwmac4_get_umac_addr,
+	.set_eee_mode = dwmac4_set_eee_mode,
+	.reset_eee_mode = dwmac4_reset_eee_mode,
+	.set_eee_timer = dwmac4_set_eee_timer,
+	.set_eee_pls = dwmac4_set_eee_pls,
 	.pcs_ctrl_ane = dwmac4_ctrl_ane,
 	.pcs_rane = dwmac4_rane,
 	.pcs_get_adv_lp = dwmac4_get_adv_lp,
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -103,7 +103,7 @@ static int dwmac4_wrback_get_rx_status(v
 			x->rx_mii++;
 
 		if (unlikely(rdes3 & RDES3_CRC_ERROR)) {
-			x->rx_crc++;
+			x->rx_crc_errors++;
 			stats->rx_crc_errors++;
 		}
 
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -127,53 +127,51 @@ static void dwmac4_dma_init(void __iomem
 		dwmac4_dma_init_channel(ioaddr, dma_cfg, dma_tx, dma_rx, i);
 }
 
-static void _dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 channel)
+static void _dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 channel,
+				  u32 *reg_space)
 {
-	pr_debug(" Channel %d\n", channel);
-	pr_debug("\tDMA_CHAN_CONTROL, offset: 0x%x, val: 0x%x\n", 0,
-		 readl(ioaddr + DMA_CHAN_CONTROL(channel)));
-	pr_debug("\tDMA_CHAN_TX_CONTROL, offset: 0x%x, val: 0x%x\n", 0x4,
-		 readl(ioaddr + DMA_CHAN_TX_CONTROL(channel)));
-	pr_debug("\tDMA_CHAN_RX_CONTROL, offset: 0x%x, val: 0x%x\n", 0x8,
-		 readl(ioaddr + DMA_CHAN_RX_CONTROL(channel)));
-	pr_debug("\tDMA_CHAN_TX_BASE_ADDR, offset: 0x%x, val: 0x%x\n", 0x14,
-		 readl(ioaddr + DMA_CHAN_TX_BASE_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_RX_BASE_ADDR, offset: 0x%x, val: 0x%x\n", 0x1c,
-		 readl(ioaddr + DMA_CHAN_RX_BASE_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_TX_END_ADDR, offset: 0x%x, val: 0x%x\n", 0x20,
-		 readl(ioaddr + DMA_CHAN_TX_END_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_RX_END_ADDR, offset: 0x%x, val: 0x%x\n", 0x28,
-		 readl(ioaddr + DMA_CHAN_RX_END_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_TX_RING_LEN, offset: 0x%x, val: 0x%x\n", 0x2c,
-		 readl(ioaddr + DMA_CHAN_TX_RING_LEN(channel)));
-	pr_debug("\tDMA_CHAN_RX_RING_LEN, offset: 0x%x, val: 0x%x\n", 0x30,
-		 readl(ioaddr + DMA_CHAN_RX_RING_LEN(channel)));
-	pr_debug("\tDMA_CHAN_INTR_ENA, offset: 0x%x, val: 0x%x\n", 0x34,
-		 readl(ioaddr + DMA_CHAN_INTR_ENA(channel)));
-	pr_debug("\tDMA_CHAN_RX_WATCHDOG, offset: 0x%x, val: 0x%x\n", 0x38,
-		 readl(ioaddr + DMA_CHAN_RX_WATCHDOG(channel)));
-	pr_debug("\tDMA_CHAN_SLOT_CTRL_STATUS, offset: 0x%x, val: 0x%x\n", 0x3c,
-		 readl(ioaddr + DMA_CHAN_SLOT_CTRL_STATUS(channel)));
-	pr_debug("\tDMA_CHAN_CUR_TX_DESC, offset: 0x%x, val: 0x%x\n", 0x44,
-		 readl(ioaddr + DMA_CHAN_CUR_TX_DESC(channel)));
-	pr_debug("\tDMA_CHAN_CUR_RX_DESC, offset: 0x%x, val: 0x%x\n", 0x4c,
-		 readl(ioaddr + DMA_CHAN_CUR_RX_DESC(channel)));
-	pr_debug("\tDMA_CHAN_CUR_TX_BUF_ADDR, offset: 0x%x, val: 0x%x\n", 0x54,
-		 readl(ioaddr + DMA_CHAN_CUR_TX_BUF_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_CUR_RX_BUF_ADDR, offset: 0x%x, val: 0x%x\n", 0x5c,
-		 readl(ioaddr + DMA_CHAN_CUR_RX_BUF_ADDR(channel)));
-	pr_debug("\tDMA_CHAN_STATUS, offset: 0x%x, val: 0x%x\n", 0x60,
-		 readl(ioaddr + DMA_CHAN_STATUS(channel)));
+	reg_space[DMA_CHAN_CONTROL(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_CONTROL(channel));
+	reg_space[DMA_CHAN_TX_CONTROL(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_TX_CONTROL(channel));
+	reg_space[DMA_CHAN_RX_CONTROL(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_RX_CONTROL(channel));
+	reg_space[DMA_CHAN_TX_BASE_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_TX_BASE_ADDR(channel));
+	reg_space[DMA_CHAN_RX_BASE_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_RX_BASE_ADDR(channel));
+	reg_space[DMA_CHAN_TX_END_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_TX_END_ADDR(channel));
+	reg_space[DMA_CHAN_RX_END_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_RX_END_ADDR(channel));
+	reg_space[DMA_CHAN_TX_RING_LEN(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_TX_RING_LEN(channel));
+	reg_space[DMA_CHAN_RX_RING_LEN(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_RX_RING_LEN(channel));
+	reg_space[DMA_CHAN_INTR_ENA(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_INTR_ENA(channel));
+	reg_space[DMA_CHAN_RX_WATCHDOG(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_RX_WATCHDOG(channel));
+	reg_space[DMA_CHAN_SLOT_CTRL_STATUS(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_SLOT_CTRL_STATUS(channel));
+	reg_space[DMA_CHAN_CUR_TX_DESC(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_CUR_TX_DESC(channel));
+	reg_space[DMA_CHAN_CUR_RX_DESC(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_CUR_RX_DESC(channel));
+	reg_space[DMA_CHAN_CUR_TX_BUF_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_CUR_TX_BUF_ADDR(channel));
+	reg_space[DMA_CHAN_CUR_RX_BUF_ADDR(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_CUR_RX_BUF_ADDR(channel));
+	reg_space[DMA_CHAN_STATUS(channel) / 4] =
+		readl(ioaddr + DMA_CHAN_STATUS(channel));
 }
 
-static void dwmac4_dump_dma_regs(void __iomem *ioaddr)
+static void dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space)
 {
 	int i;
 
-	pr_debug(" GMAC4 DMA registers\n");
-
 	for (i = 0; i < DMA_CHANNEL_NB_MAX; i++)
-		_dwmac4_dump_dma_regs(ioaddr, i);
+		_dwmac4_dump_dma_regs(ioaddr, i, reg_space);
 }
 
 static void dwmac4_rx_watchdog(void __iomem *ioaddr, u32 riwt)
@@ -303,6 +301,11 @@ static void dwmac4_get_hw_feature(void _
 		((hw_cap & GMAC_HW_FEAT_RXCHCNT) >> 12) + 1;
 	dma_cap->number_tx_channel =
 		((hw_cap & GMAC_HW_FEAT_TXCHCNT) >> 18) + 1;
+	/* TX and RX number of queues */
+	dma_cap->number_rx_queues =
+		((hw_cap & GMAC_HW_FEAT_RXQCNT) >> 0) + 1;
+	dma_cap->number_tx_queues =
+		((hw_cap & GMAC_HW_FEAT_TXQCNT) >> 6) + 1;
 
 	/* IEEE 1588-2002 */
 	dma_cap->time_stamp = 0;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -10,10 +10,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -21,6 +17,7 @@
 *******************************************************************************/
 
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include "common.h"
 #include "dwmac_dma.h"
 
@@ -29,19 +26,16 @@
 int dwmac_dma_reset(void __iomem *ioaddr)
 {
 	u32 value = readl(ioaddr + DMA_BUS_MODE);
-	int limit;
+	int err;
 
 	/* DMA SW reset */
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
-	limit = 10;
-	while (limit--) {
-		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
-			break;
-		mdelay(10);
-	}
 
-	if (limit < 0)
+	err = readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
+				 !(value & DMA_BUS_MODE_SFT_RESET),
+				 100000, 10000);
+	if (err)
 		return -EBUSY;
 
 	return 0;
@@ -102,7 +96,7 @@ static void show_tx_process_state(unsign
 		pr_debug("- TX (Stopped): Reset or Stop command\n");
 		break;
 	case 1:
-		pr_debug("- TX (Running):Fetching the Tx desc\n");
+		pr_debug("- TX (Running): Fetching the Tx desc\n");
 		break;
 	case 2:
 		pr_debug("- TX (Running): Waiting for end of tx\n");
@@ -136,7 +130,7 @@ static void show_rx_process_state(unsign
 		pr_debug("- RX (Running): Fetching the Rx desc\n");
 		break;
 	case 2:
-		pr_debug("- RX (Running):Checking for end of pkt\n");
+		pr_debug("- RX (Running): Checking for end of pkt\n");
 		break;
 	case 3:
 		pr_debug("- RX (Running): Waiting for Rx pkt\n");
@@ -246,7 +240,7 @@ void stmmac_set_mac_addr(void __iomem *i
 	unsigned long data;
 
 	data = (addr[5] << 8) | addr[4];
-	/* For MAC Addr registers se have to set the Address Enable (AE)
+	/* For MAC Addr registers we have to set the Address Enable (AE)
 	 * bit that has no effect on the High Reg 0 where the bit 31 (MO)
 	 * is RO.
 	 */
@@ -261,9 +255,9 @@ void stmmac_set_mac(void __iomem *ioaddr
 	u32 value = readl(ioaddr + MAC_CTRL_REG);
 
 	if (enable)
-		value |= MAC_RNABLE_RX | MAC_ENABLE_TX;
+		value |= MAC_ENABLE_RX | MAC_ENABLE_TX;
 	else
-		value &= ~(MAC_ENABLE_TX | MAC_RNABLE_RX);
+		value &= ~(MAC_ENABLE_TX | MAC_ENABLE_RX);
 
 	writel(value, ioaddr + MAC_CTRL_REG);
 }
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -225,7 +221,7 @@ static int enh_desc_get_rx_status(void *
 			x->rx_mii++;
 
 		if (unlikely(rdes0 & RDES0_CRC_ERROR)) {
-			x->rx_crc++;
+			x->rx_crc_errors++;
 			stats->rx_crc_errors++;
 		}
 		ret = discard_frame;
--- a/drivers/net/ethernet/stmicro/stmmac/mmc.h
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc.h
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -115,7 +111,7 @@ static int ndesc_get_rx_status(void *dat
 			stats->collisions++;
 		}
 		if (unlikely(rdes0 & RDES0_CRC_ERROR)) {
-			x->rx_crc++;
+			x->rx_crc_errors++;
 			stats->rx_crc_errors++;
 		}
 		ret = discard_frame;
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -16,10 +16,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -10,10 +10,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -106,9 +102,6 @@ struct stmmac_priv {
 	u32 msg_enable;
 	int wolopts;
 	int wol_irq;
-	struct clk *stmmac_clk;
-	struct clk *pclk;
-	struct reset_control *stmmac_rst;
 	int clk_csr;
 	struct timer_list eee_ctrl_timer;
 	int lpi_irq;
@@ -120,8 +113,6 @@ struct stmmac_priv {
 	struct ptp_clock *ptp_clock;
 	struct ptp_clock_info ptp_clock_ops;
 	unsigned int default_addend;
-	struct clk *clk_ptp_ref;
-	unsigned int clk_ptp_rate;
 	u32 adv_ts;
 	int use_riwt;
 	int irq_wake;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -65,7 +61,7 @@ static const struct stmmac_stats stmmac_
 	STMMAC_STAT(overflow_error),
 	STMMAC_STAT(ipc_csum_error),
 	STMMAC_STAT(rx_collision),
-	STMMAC_STAT(rx_crc),
+	STMMAC_STAT(rx_crc_errors),
 	STMMAC_STAT(dribbling_bit),
 	STMMAC_STAT(rx_length),
 	STMMAC_STAT(rx_mii),
@@ -439,32 +435,14 @@ static int stmmac_ethtool_get_regs_len(s
 static void stmmac_ethtool_gregs(struct net_device *dev,
 			  struct ethtool_regs *regs, void *space)
 {
-	int i;
 	u32 *reg_space = (u32 *) space;
 
 	struct stmmac_priv *priv = netdev_priv(dev);
 
 	memset(reg_space, 0x0, REG_SPACE_SIZE);
 
-	if (!(priv->plat->has_gmac || priv->plat->has_gmac4)) {
-		/* MAC registers */
-		for (i = 0; i < 12; i++)
-			reg_space[i] = readl(priv->ioaddr + (i * 4));
-		/* DMA registers */
-		for (i = 0; i < 9; i++)
-			reg_space[i + 12] =
-			    readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
-		reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
-		reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
-	} else {
-		/* MAC registers */
-		for (i = 0; i < 55; i++)
-			reg_space[i] = readl(priv->ioaddr + (i * 4));
-		/* DMA registers */
-		for (i = 0; i < 22; i++)
-			reg_space[i + 55] =
-			    readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
-	}
+	priv->hw->mac->dump_regs(priv->hw, reg_space);
+	priv->hw->dma->dump_regs(priv->ioaddr, reg_space);
 }
 
 static void
@@ -712,7 +690,7 @@ static int stmmac_ethtool_op_set_eee(str
 
 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
 {
-	unsigned long clk = clk_get_rate(priv->stmmac_clk);
+	unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
 
 	if (!clk)
 		return 0;
@@ -722,7 +700,7 @@ static u32 stmmac_usec2riwt(u32 usec, st
 
 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
 {
-	unsigned long clk = clk_get_rate(priv->stmmac_clk);
+	unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
 
 	if (!clk)
 		return 0;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -13,10 +13,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -158,7 +154,7 @@ static void stmmac_clk_csr_set(struct st
 {
 	u32 clk_rate;
 
-	clk_rate = clk_get_rate(priv->stmmac_clk);
+	clk_rate = clk_get_rate(priv->plat->stmmac_clk);
 
 	/* Platform provided default clk_csr would be assumed valid
 	 * for all other cases except for the below mentioned ones.
@@ -191,7 +187,7 @@ static void print_pkt(unsigned char *buf
 
 static inline u32 stmmac_tx_avail(struct stmmac_priv *priv)
 {
-	unsigned avail;
+	u32 avail;
 
 	if (priv->dirty_tx > priv->cur_tx)
 		avail = priv->dirty_tx - priv->cur_tx - 1;
@@ -203,7 +199,7 @@ static inline u32 stmmac_tx_avail(struct
 
 static inline u32 stmmac_rx_dirty(struct stmmac_priv *priv)
 {
-	unsigned dirty;
+	u32 dirty;
 
 	if (priv->dirty_rx <= priv->cur_rx)
 		dirty = priv->cur_rx - priv->dirty_rx;
@@ -216,7 +212,7 @@ static inline u32 stmmac_rx_dirty(struct
 /**
  * stmmac_hw_fix_mac_speed - callback for speed selection
  * @priv: driver private structure
- * Description: on some platforms (e.g. ST), some HW system configuraton
+ * Description: on some platforms (e.g. ST), some HW system configuration
  * registers have to be set according to the link speed negotiated.
  */
 static inline void stmmac_hw_fix_mac_speed(struct stmmac_priv *priv)
@@ -239,7 +235,8 @@ static void stmmac_enable_eee_mode(struc
 	/* Check and enter in LPI mode */
 	if ((priv->dirty_tx == priv->cur_tx) &&
 	    (priv->tx_path_in_lpi_mode == false))
-		priv->hw->mac->set_eee_mode(priv->hw);
+		priv->hw->mac->set_eee_mode(priv->hw,
+					    priv->plat->en_tx_lpi_clockgating);
 }
 
 /**
@@ -415,7 +412,7 @@ static void stmmac_get_rx_hwtstamp(struc
 /**
  *  stmmac_hwtstamp_ioctl - control hardware timestamping.
  *  @dev: device pointer.
- *  @ifr: An IOCTL specefic structure, that can contain a pointer to
+ *  @ifr: An IOCTL specific structure, that can contain a pointer to
  *  a proprietary structure used to pass information to the driver.
  *  Description:
  *  This function configures the MAC to enable/disable both outgoing(TX)
@@ -606,7 +603,7 @@ static int stmmac_hwtstamp_ioctl(struct
 
 		/* program Sub Second Increment reg */
 		sec_inc = priv->hw->ptp->config_sub_second_increment(
-			priv->ptpaddr, priv->clk_ptp_rate,
+			priv->ptpaddr, priv->plat->clk_ptp_rate,
 			priv->plat->has_gmac4);
 		temp = div_u64(1000000000ULL, sec_inc);
 
@@ -616,7 +613,7 @@ static int stmmac_hwtstamp_ioctl(struct
 		 * where, freq_div_ratio = 1e9ns/sec_inc
 		 */
 		temp = (u64)(temp << 32);
-		priv->default_addend = div_u64(temp, priv->clk_ptp_rate);
+		priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate);
 		priv->hw->ptp->config_addend(priv->ptpaddr,
 					     priv->default_addend);
 
@@ -644,18 +641,6 @@ static int stmmac_init_ptp(struct stmmac
 	if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp))
 		return -EOPNOTSUPP;
 
-	/* Fall-back to main clock in case of no PTP ref is passed */
-	priv->clk_ptp_ref = devm_clk_get(priv->device, "clk_ptp_ref");
-	if (IS_ERR(priv->clk_ptp_ref)) {
-		priv->clk_ptp_rate = clk_get_rate(priv->stmmac_clk);
-		priv->clk_ptp_ref = NULL;
-		netdev_dbg(priv->dev, "PTP uses main clock\n");
-	} else {
-		clk_prepare_enable(priv->clk_ptp_ref);
-		priv->clk_ptp_rate = clk_get_rate(priv->clk_ptp_ref);
-		netdev_dbg(priv->dev, "PTP rate %d\n", priv->clk_ptp_rate);
-	}
-
 	priv->adv_ts = 0;
 	/* Check if adv_ts can be enabled for dwmac 4.x core */
 	if (priv->plat->has_gmac4 && priv->dma_cap.atime_stamp)
@@ -682,8 +667,8 @@ static int stmmac_init_ptp(struct stmmac
 
 static void stmmac_release_ptp(struct stmmac_priv *priv)
 {
-	if (priv->clk_ptp_ref)
-		clk_disable_unprepare(priv->clk_ptp_ref);
+	if (priv->plat->clk_ptp_ref)
+		clk_disable_unprepare(priv->plat->clk_ptp_ref);
 	stmmac_ptp_unregister(priv);
 }
 
@@ -704,7 +689,7 @@ static void stmmac_adjust_link(struct ne
 	int new_state = 0;
 	unsigned int fc = priv->flow_ctrl, pause_time = priv->pause;
 
-	if (phydev == NULL)
+	if (!phydev)
 		return;
 
 	spin_lock_irqsave(&priv->lock, flags);
@@ -731,33 +716,36 @@ static void stmmac_adjust_link(struct ne
 			new_state = 1;
 			switch (phydev->speed) {
 			case 1000:
-				if (likely((priv->plat->has_gmac) ||
-					   (priv->plat->has_gmac4)))
+				if (priv->plat->has_gmac ||
+				    priv->plat->has_gmac4)
 					ctrl &= ~priv->hw->link.port;
-				stmmac_hw_fix_mac_speed(priv);
 				break;
 			case 100:
+				if (priv->plat->has_gmac ||
+				    priv->plat->has_gmac4) {
+					ctrl |= priv->hw->link.port;
+					ctrl |= priv->hw->link.speed;
+				} else {
+					ctrl &= ~priv->hw->link.port;
+				}
+				break;
 			case 10:
-				if (likely((priv->plat->has_gmac) ||
-					   (priv->plat->has_gmac4))) {
+				if (priv->plat->has_gmac ||
+				    priv->plat->has_gmac4) {
 					ctrl |= priv->hw->link.port;
-					if (phydev->speed == SPEED_100) {
-						ctrl |= priv->hw->link.speed;
-					} else {
-						ctrl &= ~(priv->hw->link.speed);
-					}
+					ctrl &= ~(priv->hw->link.speed);
 				} else {
 					ctrl &= ~priv->hw->link.port;
 				}
-				stmmac_hw_fix_mac_speed(priv);
 				break;
 			default:
 				netif_warn(priv, link, priv->dev,
-					   "Speed (%d) not 10/100\n",
-					   phydev->speed);
+					   "broken speed: %d\n", phydev->speed);
+				phydev->speed = SPEED_UNKNOWN;
 				break;
 			}
-
+			if (phydev->speed != SPEED_UNKNOWN)
+				stmmac_hw_fix_mac_speed(priv);
 			priv->speed = phydev->speed;
 		}
 
@@ -770,8 +758,8 @@ static void stmmac_adjust_link(struct ne
 	} else if (priv->oldlink) {
 		new_state = 1;
 		priv->oldlink = 0;
-		priv->speed = 0;
-		priv->oldduplex = -1;
+		priv->speed = SPEED_UNKNOWN;
+		priv->oldduplex = DUPLEX_UNKNOWN;
 	}
 
 	if (new_state && netif_msg_link(priv))
@@ -833,8 +821,8 @@ static int stmmac_init_phy(struct net_de
 	int interface = priv->plat->interface;
 	int max_speed = priv->plat->max_speed;
 	priv->oldlink = 0;
-	priv->speed = 0;
-	priv->oldduplex = -1;
+	priv->speed = SPEED_UNKNOWN;
+	priv->oldduplex = DUPLEX_UNKNOWN;
 
 	if (priv->plat->phy_node) {
 		phydev = of_phy_connect(dev, priv->plat->phy_node,
@@ -886,9 +874,7 @@ static int stmmac_init_phy(struct net_de
 	if (phydev->is_pseudo_fixed_link)
 		phydev->irq = PHY_POLL;
 
-	netdev_dbg(priv->dev, "%s: attached to PHY (UID 0x%x) Link = %d\n",
-		   __func__, phydev->phy_id, phydev->link);
-
+	phy_attached_info(phydev);
 	return 0;
 }
 
@@ -1014,7 +1000,7 @@ static void stmmac_free_rx_buffers(struc
  * @dev: net device structure
  * @flags: gfp flag.
  * Description: this function initializes the DMA RX/TX descriptors
- * and allocates the socket buffers. It suppors the chained and ring
+ * and allocates the socket buffers. It supports the chained and ring
  * modes.
  */
 static int init_dma_desc_rings(struct net_device *dev, gfp_t flags)
@@ -1127,13 +1113,6 @@ static void dma_free_tx_skbufs(struct st
 	int i;
 
 	for (i = 0; i < DMA_TX_SIZE; i++) {
-		struct dma_desc *p;
-
-		if (priv->extend_desc)
-			p = &((priv->dma_etx + i)->basic);
-		else
-			p = priv->dma_tx + i;
-
 		if (priv->tx_skbuff_dma[i].buf) {
 			if (priv->tx_skbuff_dma[i].map_as_page)
 				dma_unmap_page(priv->device,
@@ -1147,7 +1126,7 @@ static void dma_free_tx_skbufs(struct st
 						 DMA_TO_DEVICE);
 		}
 
-		if (priv->tx_skbuff[i] != NULL) {
+		if (priv->tx_skbuff[i]) {
 			dev_kfree_skb_any(priv->tx_skbuff[i]);
 			priv->tx_skbuff[i] = NULL;
 			priv->tx_skbuff_dma[i].buf = 0;
@@ -1271,6 +1250,28 @@ static void free_dma_desc_resources(stru
 }
 
 /**
+ *  stmmac_mac_enable_rx_queues - Enable MAC rx queues
+ *  @priv: driver private structure
+ *  Description: It is used for enabling the rx queues in the MAC
+ */
+static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
+{
+	int rx_count = priv->dma_cap.number_rx_queues;
+	int queue = 0;
+
+	/* If GMAC does not have multiple queues, then this is not necessary*/
+	if (rx_count == 1)
+		return;
+
+	/**
+	 *  If the core is synthesized with multiple rx queues / multiple
+	 *  dma channels, then rx queues will be disabled by default.
+	 *  For now only rx queue 0 is enabled.
+	 */
+	priv->hw->mac->rx_queue_enable(priv->hw, queue);
+}
+
+/**
  *  stmmac_dma_operation_mode - HW DMA operation mode
  *  @priv: driver private structure
  *  Description: it is used for configuring the DMA operation mode register in
@@ -1671,10 +1672,6 @@ static int stmmac_hw_setup(struct net_de
 	/* Copy the MAC addr into the HW  */
 	priv->hw->mac->set_umac_addr(priv->hw, dev->dev_addr, 0);
 
-	/* If required, perform hw setup of the bus. */
-	if (priv->plat->bus_setup)
-		priv->plat->bus_setup(priv->ioaddr);
-
 	/* PS and related bits will be programmed according to the speed */
 	if (priv->hw->pcs) {
 		int speed = priv->plat->mac_port_sel_speed;
@@ -1691,6 +1688,10 @@ static int stmmac_hw_setup(struct net_de
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->hw, dev->mtu);
 
+	/* Initialize MAC RX Queues */
+	if (priv->hw->mac->rx_queue_enable)
+		stmmac_mac_enable_rx_queues(priv);
+
 	ret = priv->hw->mac->rx_ipc(priv->hw);
 	if (!ret) {
 		netdev_warn(priv->dev, "RX IPC Checksum Offload disabled\n");
@@ -1711,8 +1712,10 @@ static int stmmac_hw_setup(struct net_de
 
 	if (init_ptp) {
 		ret = stmmac_init_ptp(priv);
-		if (ret)
-			netdev_warn(priv->dev, "fail to init PTP.\n");
+		if (ret == -EOPNOTSUPP)
+			netdev_warn(priv->dev, "PTP not supported by HW\n");
+		else if (ret)
+			netdev_warn(priv->dev, "PTP init failed\n");
 	}
 
 #ifdef CONFIG_DEBUG_FS
@@ -1726,11 +1729,6 @@ static int stmmac_hw_setup(struct net_de
 	priv->hw->dma->start_tx(priv->ioaddr);
 	priv->hw->dma->start_rx(priv->ioaddr);
 
-	/* Dump DMA/MAC registers */
-	if (netif_msg_hw(priv)) {
-		priv->hw->mac->dump_regs(priv->hw);
-		priv->hw->dma->dump_regs(priv->ioaddr);
-	}
 	priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS;
 
 	if ((priv->use_riwt) && (priv->hw->dma->rx_watchdog)) {
@@ -2519,7 +2517,7 @@ static int stmmac_rx(struct stmmac_priv
 		if (unlikely(status == discard_frame)) {
 			priv->dev->stats.rx_errors++;
 			if (priv->hwts_rx_en && !priv->extend_desc) {
-				/* DESC2 & DESC3 will be overwitten by device
+				/* DESC2 & DESC3 will be overwritten by device
 				 * with timestamp value, hence reinitialize
 				 * them in stmmac_rx_refill() function so that
 				 * device can reuse it.
@@ -2542,7 +2540,7 @@ static int stmmac_rx(struct stmmac_priv
 
 			frame_len = priv->hw->desc->get_rx_frame_len(p, coe);
 
-			/*  If frame length is greather than skb buffer size
+			/*  If frame length is greater than skb buffer size
 			 *  (preallocated during init) then the packet is
 			 *  ignored
 			 */
@@ -2762,7 +2760,7 @@ static netdev_features_t stmmac_fix_feat
 	/* Some GMAC devices have a bugged Jumbo frame support that
 	 * needs to have the Tx COE disabled for oversized frames
 	 * (due to limited buffer sizes). In this case we disable
-	 * the TX csum insertionin the TDES and not use SF.
+	 * the TX csum insertion in the TDES and not use SF.
 	 */
 	if (priv->plat->bugged_jumbo && (dev->mtu > ETH_DATA_LEN))
 		features &= ~NETIF_F_CSUM_MASK;
@@ -2908,9 +2906,7 @@ static void sysfs_display_ring(void *hea
 	struct dma_desc *p = (struct dma_desc *)head;
 
 	for (i = 0; i < size; i++) {
-		u64 x;
 		if (extend_desc) {
-			x = *(u64 *) ep;
 			seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
 				   i, (unsigned int)virt_to_phys(ep),
 				   le32_to_cpu(ep->basic.des0),
@@ -2919,7 +2915,6 @@ static void sysfs_display_ring(void *hea
 				   le32_to_cpu(ep->basic.des3));
 			ep++;
 		} else {
-			x = *(u64 *) p;
 			seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
 				   i, (unsigned int)virt_to_phys(ep),
 				   le32_to_cpu(p->des0), le32_to_cpu(p->des1),
@@ -2989,7 +2984,7 @@ static int stmmac_sysfs_dma_cap_read(str
 		   (priv->dma_cap.hash_filter) ? "Y" : "N");
 	seq_printf(seq, "\tMultiple MAC address registers: %s\n",
 		   (priv->dma_cap.multi_addr) ? "Y" : "N");
-	seq_printf(seq, "\tPCS (TBI/SGMII/RTBI PHY interfatces): %s\n",
+	seq_printf(seq, "\tPCS (TBI/SGMII/RTBI PHY interfaces): %s\n",
 		   (priv->dma_cap.pcs) ? "Y" : "N");
 	seq_printf(seq, "\tSMA (MDIO) Interface: %s\n",
 		   (priv->dma_cap.sma_mdio) ? "Y" : "N");
@@ -3265,44 +3260,8 @@ int stmmac_dvr_probe(struct device *devi
 	if ((phyaddr >= 0) && (phyaddr <= 31))
 		priv->plat->phy_addr = phyaddr;
 
-	priv->stmmac_clk = devm_clk_get(priv->device, STMMAC_RESOURCE_NAME);
-	if (IS_ERR(priv->stmmac_clk)) {
-		netdev_warn(priv->dev, "%s: warning: cannot get CSR clock\n",
-			    __func__);
-		/* If failed to obtain stmmac_clk and specific clk_csr value
-		 * is NOT passed from the platform, probe fail.
-		 */
-		if (!priv->plat->clk_csr) {
-			ret = PTR_ERR(priv->stmmac_clk);
-			goto error_clk_get;
-		} else {
-			priv->stmmac_clk = NULL;
-		}
-	}
-	clk_prepare_enable(priv->stmmac_clk);
-
-	priv->pclk = devm_clk_get(priv->device, "pclk");
-	if (IS_ERR(priv->pclk)) {
-		if (PTR_ERR(priv->pclk) == -EPROBE_DEFER) {
-			ret = -EPROBE_DEFER;
-			goto error_pclk_get;
-		}
-		priv->pclk = NULL;
-	}
-	clk_prepare_enable(priv->pclk);
-
-	priv->stmmac_rst = devm_reset_control_get(priv->device,
-						  STMMAC_RESOURCE_NAME);
-	if (IS_ERR(priv->stmmac_rst)) {
-		if (PTR_ERR(priv->stmmac_rst) == -EPROBE_DEFER) {
-			ret = -EPROBE_DEFER;
-			goto error_hw_init;
-		}
-		dev_info(priv->device, "no reset control found\n");
-		priv->stmmac_rst = NULL;
-	}
-	if (priv->stmmac_rst)
-		reset_control_deassert(priv->stmmac_rst);
+	if (priv->plat->stmmac_rst)
+		reset_control_deassert(priv->plat->stmmac_rst);
 
 	/* Init MAC and get the capabilities */
 	ret = stmmac_hw_init(priv);
@@ -3388,10 +3347,6 @@ error_netdev_register:
 error_mdio_register:
 	netif_napi_del(&priv->napi);
 error_hw_init:
-	clk_disable_unprepare(priv->pclk);
-error_pclk_get:
-	clk_disable_unprepare(priv->stmmac_clk);
-error_clk_get:
 	free_netdev(ndev);
 
 	return ret;
@@ -3417,10 +3372,10 @@ int stmmac_dvr_remove(struct device *dev
 	stmmac_set_mac(priv->ioaddr, false);
 	netif_carrier_off(ndev);
 	unregister_netdev(ndev);
-	if (priv->stmmac_rst)
-		reset_control_assert(priv->stmmac_rst);
-	clk_disable_unprepare(priv->pclk);
-	clk_disable_unprepare(priv->stmmac_clk);
+	if (priv->plat->stmmac_rst)
+		reset_control_assert(priv->plat->stmmac_rst);
+	clk_disable_unprepare(priv->plat->pclk);
+	clk_disable_unprepare(priv->plat->stmmac_clk);
 	if (priv->hw->pcs != STMMAC_PCS_RGMII &&
 	    priv->hw->pcs != STMMAC_PCS_TBI &&
 	    priv->hw->pcs != STMMAC_PCS_RTBI)
@@ -3469,14 +3424,14 @@ int stmmac_suspend(struct device *dev)
 		stmmac_set_mac(priv->ioaddr, false);
 		pinctrl_pm_select_sleep_state(priv->device);
 		/* Disable clock in case of PWM is off */
-		clk_disable(priv->pclk);
-		clk_disable(priv->stmmac_clk);
+		clk_disable(priv->plat->pclk);
+		clk_disable(priv->plat->stmmac_clk);
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	priv->oldlink = 0;
-	priv->speed = 0;
-	priv->oldduplex = -1;
+	priv->speed = SPEED_UNKNOWN;
+	priv->oldduplex = DUPLEX_UNKNOWN;
 	return 0;
 }
 EXPORT_SYMBOL_GPL(stmmac_suspend);
@@ -3509,9 +3464,9 @@ int stmmac_resume(struct device *dev)
 		priv->irq_wake = 0;
 	} else {
 		pinctrl_pm_select_default_state(priv->device);
-		/* enable the clk prevously disabled */
-		clk_enable(priv->stmmac_clk);
-		clk_enable(priv->pclk);
+		/* enable the clk previously disabled */
+		clk_enable(priv->plat->stmmac_clk);
+		clk_enable(priv->plat->pclk);
 		/* reset the phy so that it's ready */
 		if (priv->mii)
 			stmmac_mdio_reset(priv->mii);
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -13,10 +13,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -24,13 +20,14 @@
   Maintainer: Giuseppe Cavallaro <peppe.cavallaro@st.com>
 *******************************************************************************/
 
+#include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/mii.h>
-#include <linux/phy.h>
-#include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/of_mdio.h>
-#include <asm/io.h>
+#include <linux/phy.h>
+#include <linux/slab.h>
 
 #include "stmmac.h"
 
@@ -42,22 +39,6 @@
 #define MII_GMAC4_WRITE			(1 << MII_GMAC4_GOC_SHIFT)
 #define MII_GMAC4_READ			(3 << MII_GMAC4_GOC_SHIFT)
 
-static int stmmac_mdio_busy_wait(void __iomem *ioaddr, unsigned int mii_addr)
-{
-	unsigned long curr;
-	unsigned long finish = jiffies + 3 * HZ;
-
-	do {
-		curr = jiffies;
-		if (readl(ioaddr + mii_addr) & MII_BUSY)
-			cpu_relax();
-		else
-			return 0;
-	} while (!time_after_eq(curr, finish));
-
-	return -EBUSY;
-}
-
 /**
  * stmmac_mdio_read
  * @bus: points to the mii_bus structure
@@ -74,7 +55,7 @@ static int stmmac_mdio_read(struct mii_b
 	struct stmmac_priv *priv = netdev_priv(ndev);
 	unsigned int mii_address = priv->hw->mii.addr;
 	unsigned int mii_data = priv->hw->mii.data;
-
+	u32 v;
 	int data;
 	u32 value = MII_BUSY;
 
@@ -86,12 +67,14 @@ static int stmmac_mdio_read(struct mii_b
 	if (priv->plat->has_gmac4)
 		value |= MII_GMAC4_READ;
 
-	if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
+	if (readl_poll_timeout(priv->ioaddr + mii_address, v, !(v & MII_BUSY),
+			       100, 10000))
 		return -EBUSY;
 
 	writel(value, priv->ioaddr + mii_address);
 
-	if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
+	if (readl_poll_timeout(priv->ioaddr + mii_address, v, !(v & MII_BUSY),
+			       100, 10000))
 		return -EBUSY;
 
 	/* Read the data from the MII data register */
@@ -115,7 +98,7 @@ static int stmmac_mdio_write(struct mii_
 	struct stmmac_priv *priv = netdev_priv(ndev);
 	unsigned int mii_address = priv->hw->mii.addr;
 	unsigned int mii_data = priv->hw->mii.data;
-
+	u32 v;
 	u32 value = MII_BUSY;
 
 	value |= (phyaddr << priv->hw->mii.addr_shift)
@@ -130,7 +113,8 @@ static int stmmac_mdio_write(struct mii_
 		value |= MII_WRITE;
 
 	/* Wait until any existing MII operation is complete */
-	if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
+	if (readl_poll_timeout(priv->ioaddr + mii_address, v, !(v & MII_BUSY),
+			       100, 10000))
 		return -EBUSY;
 
 	/* Set the MII address register to write */
@@ -138,7 +122,8 @@ static int stmmac_mdio_write(struct mii_
 	writel(value, priv->ioaddr + mii_address);
 
 	/* Wait until any existing MII operation is complete */
-	return stmmac_mdio_busy_wait(priv->ioaddr, mii_address);
+	return readl_poll_timeout(priv->ioaddr + mii_address, v, !(v & MII_BUSY),
+				  100, 10000);
 }
 
 /**
@@ -156,9 +141,9 @@ int stmmac_mdio_reset(struct mii_bus *bu
 
 #ifdef CONFIG_OF
 	if (priv->device->of_node) {
-
 		if (data->reset_gpio < 0) {
 			struct device_node *np = priv->device->of_node;
+
 			if (!np)
 				return 0;
 
@@ -198,7 +183,7 @@ int stmmac_mdio_reset(struct mii_bus *bu
 
 	/* This is a workaround for problems with the STE101P PHY.
 	 * It doesn't complete its reset until at least one clock cycle
-	 * on MDC, so perform a dummy mdio read. To be upadted for GMAC4
+	 * on MDC, so perform a dummy mdio read. To be updated for GMAC4
 	 * if needed.
 	 */
 	if (!priv->plat->has_gmac4)
@@ -225,7 +210,7 @@ int stmmac_mdio_register(struct net_devi
 		return 0;
 
 	new_bus = mdiobus_alloc();
-	if (new_bus == NULL)
+	if (!new_bus)
 		return -ENOMEM;
 
 	if (mdio_bus_data->irqs)
@@ -262,49 +247,48 @@ int stmmac_mdio_register(struct net_devi
 	found = 0;
 	for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
 		struct phy_device *phydev = mdiobus_get_phy(new_bus, addr);
-		if (phydev) {
-			int act = 0;
-			char irq_num[4];
-			char *irq_str;
-
-			/*
-			 * If an IRQ was provided to be assigned after
-			 * the bus probe, do it here.
-			 */
-			if ((mdio_bus_data->irqs == NULL) &&
-			    (mdio_bus_data->probed_phy_irq > 0)) {
-				new_bus->irq[addr] =
-					mdio_bus_data->probed_phy_irq;
-				phydev->irq = mdio_bus_data->probed_phy_irq;
-			}
-
-			/*
-			 * If we're going to bind the MAC to this PHY bus,
-			 * and no PHY number was provided to the MAC,
-			 * use the one probed here.
-			 */
-			if (priv->plat->phy_addr == -1)
-				priv->plat->phy_addr = addr;
-
-			act = (priv->plat->phy_addr == addr);
-			switch (phydev->irq) {
-			case PHY_POLL:
-				irq_str = "POLL";
-				break;
-			case PHY_IGNORE_INTERRUPT:
-				irq_str = "IGNORE";
-				break;
-			default:
-				sprintf(irq_num, "%d", phydev->irq);
-				irq_str = irq_num;
-				break;
-			}
-			netdev_info(ndev, "PHY ID %08x at %d IRQ %s (%s)%s\n",
-				    phydev->phy_id, addr,
-				    irq_str, phydev_name(phydev),
-				    act ? " active" : "");
-			found = 1;
+		int act = 0;
+		char irq_num[4];
+		char *irq_str;
+
+		if (!phydev)
+			continue;
+
+		/*
+		 * If an IRQ was provided to be assigned after
+		 * the bus probe, do it here.
+		 */
+		if (!mdio_bus_data->irqs &&
+		    (mdio_bus_data->probed_phy_irq > 0)) {
+			new_bus->irq[addr] = mdio_bus_data->probed_phy_irq;
+			phydev->irq = mdio_bus_data->probed_phy_irq;
+		}
+
+		/*
+		 * If we're going to bind the MAC to this PHY bus,
+		 * and no PHY number was provided to the MAC,
+		 * use the one probed here.
+		 */
+		if (priv->plat->phy_addr == -1)
+			priv->plat->phy_addr = addr;
+
+		act = (priv->plat->phy_addr == addr);
+		switch (phydev->irq) {
+		case PHY_POLL:
+			irq_str = "POLL";
+			break;
+		case PHY_IGNORE_INTERRUPT:
+			irq_str = "IGNORE";
+			break;
+		default:
+			sprintf(irq_num, "%d", phydev->irq);
+			irq_str = irq_num;
+			break;
 		}
+		netdev_info(ndev, "PHY ID %08x at %d IRQ %s (%s)%s\n",
+			    phydev->phy_id, addr, irq_str, phydev_name(phydev),
+			    act ? " active" : "");
+		found = 1;
 	}
 
 	if (!found && !mdio_node) {
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
@@ -121,7 +117,6 @@ static struct stmmac_axi *stmmac_axi_set
 	axi->axi_lpi_en = of_property_read_bool(np, "snps,lpi_en");
 	axi->axi_xit_frm = of_property_read_bool(np, "snps,xit_frm");
 	axi->axi_kbbe = of_property_read_bool(np, "snps,axi_kbbe");
-	axi->axi_axi_all = of_property_read_bool(np, "snps,axi_all");
 	axi->axi_fb = of_property_read_bool(np, "snps,axi_fb");
 	axi->axi_mb = of_property_read_bool(np, "snps,axi_mb");
 	axi->axi_rb =  of_property_read_bool(np, "snps,axi_rb");
@@ -181,10 +176,19 @@ static int stmmac_dt_phy(struct plat_stm
 		mdio = false;
 	}
 
-	/* If snps,dwmac-mdio is passed from DT, always register the MDIO */
-	for_each_child_of_node(np, plat->mdio_node) {
-		if (of_device_is_compatible(plat->mdio_node, "snps,dwmac-mdio"))
-			break;
+	/* exception for dwmac-dwc-qos-eth glue logic */
+	if (of_device_is_compatible(np, "snps,dwc-qos-ethernet-4.10")) {
+		plat->mdio_node = of_get_child_by_name(np, "mdio");
+	} else {
+		/**
+		 * If snps,dwmac-mdio is passed from DT, always register
+		 * the MDIO
+		 */
+		for_each_child_of_node(np, plat->mdio_node) {
+			if (of_device_is_compatible(plat->mdio_node,
+						    "snps,dwmac-mdio"))
+				break;
+		}
 	}
 
 	if (plat->mdio_node) {
@@ -249,6 +253,9 @@ stmmac_probe_config_dt(struct platform_d
 	plat->force_sf_dma_mode =
 		of_property_read_bool(np, "snps,force_sf_dma_mode");
 
+	plat->en_tx_lpi_clockgating =
+		of_property_read_bool(np, "snps,en-tx-lpi-clockgating");
+
 	/* Set the maxmtu to a default of JUMBO_LEN in case the
 	 * parameter is not present in the device tree.
 	 */
@@ -333,7 +340,54 @@ stmmac_probe_config_dt(struct platform_d
 
 	plat->axi = stmmac_axi_setup(pdev);
 
+	/* clock setup */
+	plat->stmmac_clk = devm_clk_get(&pdev->dev,
+					STMMAC_RESOURCE_NAME);
+	if (IS_ERR(plat->stmmac_clk)) {
+		dev_warn(&pdev->dev, "Cannot get CSR clock\n");
+		plat->stmmac_clk = NULL;
+	}
+	clk_prepare_enable(plat->stmmac_clk);
+
+	plat->pclk = devm_clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(plat->pclk)) {
+		if (PTR_ERR(plat->pclk) == -EPROBE_DEFER)
+			goto error_pclk_get;
+
+		plat->pclk = NULL;
+	}
+	clk_prepare_enable(plat->pclk);
+
+	/* Fall-back to main clock in case of no PTP ref is passed */
+	plat->clk_ptp_ref = devm_clk_get(&pdev->dev, "clk_ptp_ref");
+	if (IS_ERR(plat->clk_ptp_ref)) {
+		plat->clk_ptp_rate = clk_get_rate(plat->stmmac_clk);
+		plat->clk_ptp_ref = NULL;
+		dev_warn(&pdev->dev, "PTP uses main clock\n");
+	} else {
+		clk_prepare_enable(plat->clk_ptp_ref);
+		plat->clk_ptp_rate = clk_get_rate(plat->clk_ptp_ref);
+		dev_dbg(&pdev->dev, "PTP rate %d\n", plat->clk_ptp_rate);
+	}
+
+	plat->stmmac_rst = devm_reset_control_get(&pdev->dev,
+						  STMMAC_RESOURCE_NAME);
+	if (IS_ERR(plat->stmmac_rst)) {
+		if (PTR_ERR(plat->stmmac_rst) == -EPROBE_DEFER)
+			goto error_hw_init;
+
+		dev_info(&pdev->dev, "no reset control found\n");
+		plat->stmmac_rst = NULL;
+	}
+
 	return plat;
+
+error_hw_init:
+	clk_disable_unprepare(plat->pclk);
+error_pclk_get:
+	clk_disable_unprepare(plat->stmmac_clk);
+
+	return ERR_PTR(-EPROBE_DEFER);
 }
 
 /**
@@ -357,7 +411,7 @@ void stmmac_remove_config_dt(struct plat
 struct plat_stmmacenet_data *
 stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 {
-	return ERR_PTR(-ENOSYS);
+	return ERR_PTR(-EINVAL);
 }
 
 void stmmac_remove_config_dt(struct platform_device *pdev,
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h
@@ -12,10 +12,6 @@
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.
 
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
 
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -103,7 +103,6 @@ struct stmmac_axi {
 	u32 axi_wr_osr_lmt;
 	u32 axi_rd_osr_lmt;
 	bool axi_kbbe;
-	bool axi_axi_all;
 	u32 axi_blen[AXI_BLEN];
 	bool axi_fb;
 	bool axi_mb;
@@ -135,13 +134,18 @@ struct plat_stmmacenet_data {
 	int tx_fifo_size;
 	int rx_fifo_size;
 	void (*fix_mac_speed)(void *priv, unsigned int speed);
-	void (*bus_setup)(void __iomem *ioaddr);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);
 	void *bsp_priv;
+	struct clk *stmmac_clk;
+	struct clk *pclk;
+	struct clk *clk_ptp_ref;
+	unsigned int clk_ptp_rate;
+	struct reset_control *stmmac_rst;
 	struct stmmac_axi *axi;
 	int has_gmac4;
 	bool tso_en;
 	int mac_port_sel_speed;
+	bool en_tx_lpi_clockgating;
 };
 #endif