Merge branch 'master' of git://git.denx.de/u-boot-usb

Conflicts: include/configs/arndale.h Signed-off-by: Tom Rini <trini@ti.com>
10 years ago · b7b3b8c6a0
parent 6d76e2aca8 edd88905ae
commit b7b3b8c6a0
5 changed files with 719 additions and 0 deletions
--- a/drivers/usb/eth/Makefile
+++ b/drivers/usb/eth/Makefile
@ -6,5 +6,6 @@
 # new USB host ethernet layer dependencies
 obj-$(CONFIG_USB_HOST_ETHER) += usb_ether.o
 obj-$(CONFIG_USB_ETHER_ASIX) += asix.o
+obj-$(CONFIG_USB_ETHER_ASIX88179) += asix88179.o
 obj-$(CONFIG_USB_ETHER_MCS7830) += mcs7830.o
 obj-$(CONFIG_USB_ETHER_SMSC95XX) += smsc95xx.o
--- a/drivers/usb/eth/asix88179.c
+++ b/drivers/usb/eth/asix88179.c
@ -0,0 +1,700 @@
+/*
+ * Copyright (c) 2014 Rene Griessl <rgriessl@cit-ec.uni-bielefeld.de>
+ * based on the U-Boot Asix driver as well as information
+ * from the Linux AX88179_178a driver
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <net.h>
+#include <linux/mii.h>
+#include "usb_ether.h"
+#include <malloc.h>
+#include <errno.h>
+
+/* ASIX AX88179 based USB 3.0 Ethernet Devices */
+#define AX88179_PHY_ID				0x03
+#define AX_EEPROM_LEN				0x100
+#define AX88179_EEPROM_MAGIC			0x17900b95
+#define AX_MCAST_FLTSIZE			8
+#define AX_MAX_MCAST				64
+#define AX_INT_PPLS_LINK			(1 << 16)
+#define AX_RXHDR_L4_TYPE_MASK			0x1c
+#define AX_RXHDR_L4_TYPE_UDP			4
+#define AX_RXHDR_L4_TYPE_TCP			16
+#define AX_RXHDR_L3CSUM_ERR			2
+#define AX_RXHDR_L4CSUM_ERR			1
+#define AX_RXHDR_CRC_ERR			(1 << 29)
+#define AX_RXHDR_DROP_ERR			(1 << 31)
+#define AX_ENDPOINT_INT				0x01
+#define AX_ENDPOINT_IN				0x02
+#define AX_ENDPOINT_OUT				0x03
+#define AX_ACCESS_MAC				0x01
+#define AX_ACCESS_PHY				0x02
+#define AX_ACCESS_EEPROM			0x04
+#define AX_ACCESS_EFUS				0x05
+#define AX_PAUSE_WATERLVL_HIGH			0x54
+#define AX_PAUSE_WATERLVL_LOW			0x55
+
+#define PHYSICAL_LINK_STATUS			0x02
+	#define	AX_USB_SS		(1 << 2)
+	#define	AX_USB_HS		(1 << 1)
+
+#define GENERAL_STATUS				0x03
+	#define	AX_SECLD		(1 << 2)
+
+#define AX_SROM_ADDR				0x07
+#define AX_SROM_CMD				0x0a
+	#define EEP_RD			(1 << 2)
+	#define EEP_BUSY		(1 << 4)
+
+#define AX_SROM_DATA_LOW			0x08
+#define AX_SROM_DATA_HIGH			0x09
+
+#define AX_RX_CTL				0x0b
+	#define AX_RX_CTL_DROPCRCERR	(1 << 8)
+	#define AX_RX_CTL_IPE		(1 << 9)
+	#define AX_RX_CTL_START		(1 << 7)
+	#define AX_RX_CTL_AP		(1 << 5)
+	#define AX_RX_CTL_AM		(1 << 4)
+	#define AX_RX_CTL_AB		(1 << 3)
+	#define AX_RX_CTL_AMALL		(1 << 1)
+	#define AX_RX_CTL_PRO		(1 << 0)
+	#define AX_RX_CTL_STOP		0
+
+#define AX_NODE_ID				0x10
+#define AX_MULFLTARY				0x16
+
+#define AX_MEDIUM_STATUS_MODE			0x22
+	#define AX_MEDIUM_GIGAMODE	(1 << 0)
+	#define AX_MEDIUM_FULL_DUPLEX	(1 << 1)
+	#define AX_MEDIUM_EN_125MHZ	(1 << 3)
+	#define AX_MEDIUM_RXFLOW_CTRLEN	(1 << 4)
+	#define AX_MEDIUM_TXFLOW_CTRLEN	(1 << 5)
+	#define AX_MEDIUM_RECEIVE_EN	(1 << 8)
+	#define AX_MEDIUM_PS		(1 << 9)
+	#define AX_MEDIUM_JUMBO_EN	0x8040
+
+#define AX_MONITOR_MOD				0x24
+	#define AX_MONITOR_MODE_RWLC	(1 << 1)
+	#define AX_MONITOR_MODE_RWMP	(1 << 2)
+	#define AX_MONITOR_MODE_PMEPOL	(1 << 5)
+	#define AX_MONITOR_MODE_PMETYPE	(1 << 6)
+
+#define AX_GPIO_CTRL				0x25
+	#define AX_GPIO_CTRL_GPIO3EN	(1 << 7)
+	#define AX_GPIO_CTRL_GPIO2EN	(1 << 6)
+	#define AX_GPIO_CTRL_GPIO1EN	(1 << 5)
+
+#define AX_PHYPWR_RSTCTL			0x26
+	#define AX_PHYPWR_RSTCTL_BZ	(1 << 4)
+	#define AX_PHYPWR_RSTCTL_IPRL	(1 << 5)
+	#define AX_PHYPWR_RSTCTL_AT	(1 << 12)
+
+#define AX_RX_BULKIN_QCTRL			0x2e
+#define AX_CLK_SELECT				0x33
+	#define AX_CLK_SELECT_BCS	(1 << 0)
+	#define AX_CLK_SELECT_ACS	(1 << 1)
+	#define AX_CLK_SELECT_ULR	(1 << 3)
+
+#define AX_RXCOE_CTL				0x34
+	#define AX_RXCOE_IP		(1 << 0)
+	#define AX_RXCOE_TCP		(1 << 1)
+	#define AX_RXCOE_UDP		(1 << 2)
+	#define AX_RXCOE_TCPV6		(1 << 5)
+	#define AX_RXCOE_UDPV6		(1 << 6)
+
+#define AX_TXCOE_CTL				0x35
+	#define AX_TXCOE_IP		(1 << 0)
+	#define AX_TXCOE_TCP		(1 << 1)
+	#define AX_TXCOE_UDP		(1 << 2)
+	#define AX_TXCOE_TCPV6		(1 << 5)
+	#define AX_TXCOE_UDPV6		(1 << 6)
+
+#define AX_LEDCTRL				0x73
+
+#define GMII_PHY_PHYSR				0x11
+	#define GMII_PHY_PHYSR_SMASK	0xc000
+	#define GMII_PHY_PHYSR_GIGA	(1 << 15)
+	#define GMII_PHY_PHYSR_100	(1 << 14)
+	#define GMII_PHY_PHYSR_FULL	(1 << 13)
+	#define GMII_PHY_PHYSR_LINK	(1 << 10)
+
+#define GMII_LED_ACT				0x1a
+	#define	GMII_LED_ACTIVE_MASK	0xff8f
+	#define	GMII_LED0_ACTIVE	(1 << 4)
+	#define	GMII_LED1_ACTIVE	(1 << 5)
+	#define	GMII_LED2_ACTIVE	(1 << 6)
+
+#define GMII_LED_LINK				0x1c
+	#define	GMII_LED_LINK_MASK	0xf888
+	#define	GMII_LED0_LINK_10	(1 << 0)
+	#define	GMII_LED0_LINK_100	(1 << 1)
+	#define	GMII_LED0_LINK_1000	(1 << 2)
+	#define	GMII_LED1_LINK_10	(1 << 4)
+	#define	GMII_LED1_LINK_100	(1 << 5)
+	#define	GMII_LED1_LINK_1000	(1 << 6)
+	#define	GMII_LED2_LINK_10	(1 << 8)
+	#define	GMII_LED2_LINK_100	(1 << 9)
+	#define	GMII_LED2_LINK_1000	(1 << 10)
+	#define	LED0_ACTIVE		(1 << 0)
+	#define	LED0_LINK_10		(1 << 1)
+	#define	LED0_LINK_100		(1 << 2)
+	#define	LED0_LINK_1000		(1 << 3)
+	#define	LED0_FD			(1 << 4)
+	#define	LED0_USB3_MASK		0x001f
+	#define	LED1_ACTIVE		(1 << 5)
+	#define	LED1_LINK_10		(1 << 6)
+	#define	LED1_LINK_100		(1 << 7)
+	#define	LED1_LINK_1000		(1 << 8)
+	#define	LED1_FD			(1 << 9)
+	#define	LED1_USB3_MASK		0x03e0
+	#define	LED2_ACTIVE		(1 << 10)
+	#define	LED2_LINK_1000		(1 << 13)
+	#define	LED2_LINK_100		(1 << 12)
+	#define	LED2_LINK_10		(1 << 11)
+	#define	LED2_FD			(1 << 14)
+	#define	LED_VALID		(1 << 15)
+	#define	LED2_USB3_MASK		0x7c00
+
+#define GMII_PHYPAGE				0x1e
+#define GMII_PHY_PAGE_SELECT			0x1f
+	#define GMII_PHY_PGSEL_EXT	0x0007
+	#define GMII_PHY_PGSEL_PAGE0	0x0000
+
+/* local defines */
+#define ASIX_BASE_NAME "axg"
+#define USB_CTRL_SET_TIMEOUT 5000
+#define USB_CTRL_GET_TIMEOUT 5000
+#define USB_BULK_SEND_TIMEOUT 5000
+#define USB_BULK_RECV_TIMEOUT 5000
+
+#define AX_RX_URB_SIZE 1024 * 0x12
+#define BLK_FRAME_SIZE 0x200
+#define PHY_CONNECT_TIMEOUT 5000
+
+#define TIMEOUT_RESOLUTION 50	/* ms */
+
+#define FLAG_NONE			0
+#define FLAG_TYPE_AX88179	(1U << 0)
+#define FLAG_TYPE_AX88178a	(1U << 1)
+#define FLAG_TYPE_DLINK_DUB1312	(1U << 2)
+#define FLAG_TYPE_SITECOM	(1U << 3)
+#define FLAG_TYPE_SAMSUNG	(1U << 4)
+#define FLAG_TYPE_LENOVO	(1U << 5)
+
+/* local vars */
+static const struct {
+	unsigned char ctrl, timer_l, timer_h, size, ifg;
+} AX88179_BULKIN_SIZE[] =	{
+	{7, 0x4f, 0,	0x02, 0xff},
+	{7, 0x20, 3,	0x03, 0xff},
+	{7, 0xae, 7,	0x04, 0xff},
+	{7, 0xcc, 0x4c, 0x04, 8},
+};
+
+static int curr_eth_dev; /* index for name of next device detected */
+
+/* driver private */
+struct asix_private {
+	int flags;
+	int rx_urb_size;
+	int maxpacketsize;
+};
+
+/*
+ * Asix infrastructure commands
+ */
+static int asix_write_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
+			     u16 size, void *data)
+{
+	int len;
+	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
+
+	debug("asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+	      cmd, value, index, size);
+
+	memcpy(buf, data, size);
+
+	len = usb_control_msg(
+		dev->pusb_dev,
+		usb_sndctrlpipe(dev->pusb_dev, 0),
+		cmd,
+		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		value,
+		index,
+		buf,
+		size,
+		USB_CTRL_SET_TIMEOUT);
+
+	return len == size ? 0 : ECOMM;
+}
+
+static int asix_read_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
+			    u16 size, void *data)
+{
+	int len;
+	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
+
+	debug("asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+	      cmd, value, index, size);
+
+	len = usb_control_msg(
+		dev->pusb_dev,
+		usb_rcvctrlpipe(dev->pusb_dev, 0),
+		cmd,
+		USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		value,
+		index,
+		buf,
+		size,
+		USB_CTRL_GET_TIMEOUT);
+
+	memcpy(data, buf, size);
+
+	return len == size ? 0 : ECOMM;
+}
+
+static int asix_read_mac(struct eth_device *eth)
+{
+	struct ueth_data *dev = (struct ueth_data *)eth->priv;
+	u8 buf[ETH_ALEN];
+
+	asix_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, 6, 6, buf);
+	debug("asix_read_mac() returning %02x:%02x:%02x:%02x:%02x:%02x\n",
+	      buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+	memcpy(eth->enetaddr, buf, ETH_ALEN);
+
+	return 0;
+}
+
+static int asix_basic_reset(struct ueth_data *dev)
+{
+	struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+	u8 buf[5];
+	u16 *tmp16;
+	u8 *tmp;
+
+	tmp16 = (u16 *)buf;
+	tmp = (u8 *)buf;
+
+	/* Power up ethernet PHY */
+	*tmp16 = 0;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
+
+	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
+	mdelay(200);
+
+	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
+	mdelay(200);
+
+	/* RX bulk configuration */
+	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
+
+	dev_priv->rx_urb_size = 128 * 20;
+
+	/* Water Level configuration */
+	*tmp = 0x34;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
+
+	*tmp = 0x52;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, 1, 1, tmp);
+
+	/* Enable checksum offload */
+	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
+	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
+
+	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
+	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
+
+	/* Configure RX control register => start operation */
+	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
+		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
+
+	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
+	       AX_MONITOR_MODE_RWMP;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
+
+	/* Configure default medium type => giga */
+	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
+		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
+		 AX_MEDIUM_GIGAMODE | AX_MEDIUM_JUMBO_EN;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, tmp16);
+
+	u16 adv = 0;
+	adv = ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_LPACK |
+	      ADVERTISE_NPAGE | ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP;
+	asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_ADVERTISE, 2, &adv);
+
+	adv = ADVERTISE_1000FULL;
+	asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_CTRL1000, 2, &adv);
+
+	return 0;
+}
+
+static int asix_wait_link(struct ueth_data *dev)
+{
+	int timeout = 0;
+	int link_detected;
+	u8 buf[2];
+	u16 *tmp16;
+
+	tmp16 = (u16 *)buf;
+
+	do {
+		asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+			      MII_BMSR, 2, buf);
+		link_detected = *tmp16 & BMSR_LSTATUS;
+		if (!link_detected) {
+			if (timeout == 0)
+				printf("Waiting for Ethernet connection... ");
+			mdelay(TIMEOUT_RESOLUTION);
+			timeout += TIMEOUT_RESOLUTION;
+		}
+	} while (!link_detected && timeout < PHY_CONNECT_TIMEOUT);
+
+	if (link_detected) {
+		if (timeout > 0)
+			printf("done.\n");
+		return 0;
+	} else {
+		printf("unable to connect.\n");
+		return -ENETUNREACH;
+	}
+}
+
+/*
+ * Asix callbacks
+ */
+static int asix_init(struct eth_device *eth, bd_t *bd)
+{
+	struct ueth_data *dev = (struct ueth_data *)eth->priv;
+	struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+	u8 buf[2], tmp[5], link_sts;
+	u16 *tmp16, mode;
+
+
+	tmp16 = (u16 *)buf;
+
+	debug("** %s()\n", __func__);
+
+	/* Configure RX control register => start operation */
+	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
+		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
+	if (asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16) != 0)
+		goto out_err;
+
+	if (asix_wait_link(dev) != 0) {
+		/*reset device and try again*/
+		printf("Reset Ethernet Device\n");
+		asix_basic_reset(dev);
+		if (asix_wait_link(dev) != 0)
+			goto out_err;
+	}
+
+	/* Configure link */
+	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
+	       AX_MEDIUM_RXFLOW_CTRLEN;
+
+	asix_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
+		      1, 1, &link_sts);
+
+	asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+		      GMII_PHY_PHYSR, 2, tmp16);
+
+	if (!(*tmp16 & GMII_PHY_PHYSR_LINK)) {
+		return 0;
+	} else if (GMII_PHY_PHYSR_GIGA == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
+		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ |
+			AX_MEDIUM_JUMBO_EN;
+
+		if (link_sts & AX_USB_SS)
+			memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
+		else if (link_sts & AX_USB_HS)
+			memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
+		else
+			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+	} else if (GMII_PHY_PHYSR_100 == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
+		mode |= AX_MEDIUM_PS;
+
+		if (link_sts & (AX_USB_SS | AX_USB_HS))
+			memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
+		else
+			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+	} else {
+		memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+	}
+
+	/* RX bulk configuration */
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
+
+	dev_priv->rx_urb_size = (1024 * (tmp[3] + 2));
+	if (*tmp16 & GMII_PHY_PHYSR_FULL)
+		mode |= AX_MEDIUM_FULL_DUPLEX;
+	asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
+		       2, 2, &mode);
+
+	return 0;
+out_err:
+	return -1;
+}
+
+static int asix_send(struct eth_device *eth, void *packet, int length)
+{
+	struct ueth_data *dev = (struct ueth_data *)eth->priv;
+	struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+
+	int err;
+	u32 packet_len, tx_hdr2;
+	int actual_len, framesize;
+	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, msg,
+				 PKTSIZE + (2 * sizeof(packet_len)));
+
+	debug("** %s(), len %d\n", __func__, length);
+
+	packet_len = length;
+	cpu_to_le32s(&packet_len);
+
+	memcpy(msg, &packet_len, sizeof(packet_len));
+	framesize = dev_priv->maxpacketsize;
+	tx_hdr2 = 0;
+	if (((length + 8) % framesize) == 0)
+		tx_hdr2 |= 0x80008000;	/* Enable padding */
+
+	cpu_to_le32s(&tx_hdr2);
+
+	memcpy(msg + sizeof(packet_len), &tx_hdr2, sizeof(tx_hdr2));
+
+	memcpy(msg + sizeof(packet_len) + sizeof(tx_hdr2),
+	       (void *)packet, length);
+
+	err = usb_bulk_msg(dev->pusb_dev,
+				usb_sndbulkpipe(dev->pusb_dev, dev->ep_out),
+				(void *)msg,
+				length + sizeof(packet_len) + sizeof(tx_hdr2),
+				&actual_len,
+				USB_BULK_SEND_TIMEOUT);
+	debug("Tx: len = %u, actual = %u, err = %d\n",
+	      length + sizeof(packet_len), actual_len, err);
+
+	return err;
+}
+
+static int asix_recv(struct eth_device *eth)
+{
+	struct ueth_data *dev = (struct ueth_data *)eth->priv;
+	struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+
+	u16 frame_pos;
+	int err;
+	int actual_len;
+
+	int pkt_cnt;
+	u32 rx_hdr;
+	u16 hdr_off;
+	u32 *pkt_hdr;
+	ALLOC_CACHE_ALIGN_BUFFER(u8, recv_buf, dev_priv->rx_urb_size);
+
+	actual_len = -1;
+
+	debug("** %s()\n", __func__);
+
+	err = usb_bulk_msg(dev->pusb_dev,
+				usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
+				(void *)recv_buf,
+				dev_priv->rx_urb_size,
+				&actual_len,
+				USB_BULK_RECV_TIMEOUT);
+	debug("Rx: len = %u, actual = %u, err = %d\n", dev_priv->rx_urb_size,
+	      actual_len, err);
+
+	if (err != 0) {
+		debug("Rx: failed to receive\n");
+		return -ECOMM;
+	}
+	if (actual_len > dev_priv->rx_urb_size) {
+		debug("Rx: received too many bytes %d\n", actual_len);
+		return -EMSGSIZE;
+	}
+
+
+	rx_hdr = *(u32 *)(recv_buf + actual_len - 4);
+	le32_to_cpus(&pkt_hdr);
+
+	pkt_cnt = (u16)rx_hdr;
+	hdr_off = (u16)(rx_hdr >> 16);
+	pkt_hdr = (u32 *)(recv_buf + hdr_off);
+
+
+	frame_pos = 0;
+
+	while (pkt_cnt--) {
+		u16 pkt_len;
+
+		le32_to_cpus(pkt_hdr);
+		pkt_len = (*pkt_hdr >> 16) & 0x1fff;
+
+		frame_pos += 2;
+
+		NetReceive(recv_buf + frame_pos, pkt_len);
+
+		pkt_hdr++;
+		frame_pos += ((pkt_len + 7) & 0xFFF8)-2;
+
+		if (pkt_cnt == 0)
+			return 0;
+	}
+	return err;
+}
+
+static void asix_halt(struct eth_device *eth)
+{
+	debug("** %s()\n", __func__);
+}
+
+/*
+ * Asix probing functions
+ */
+void ax88179_eth_before_probe(void)
+{
+	curr_eth_dev = 0;
+}
+
+struct asix_dongle {
+	unsigned short vendor;
+	unsigned short product;
+	int flags;
+};
+
+static const struct asix_dongle asix_dongles[] = {
+	{ 0x0b95, 0x1790, FLAG_TYPE_AX88179 },
+	{ 0x0b95, 0x178a, FLAG_TYPE_AX88178a },
+	{ 0x2001, 0x4a00, FLAG_TYPE_DLINK_DUB1312 },
+	{ 0x0df6, 0x0072, FLAG_TYPE_SITECOM },
+	{ 0x04e8, 0xa100, FLAG_TYPE_SAMSUNG },
+	{ 0x17ef, 0x304b, FLAG_TYPE_LENOVO },
+	{ 0x0000, 0x0000, FLAG_NONE }	/* END - Do not remove */
+};
+
+/* Probe to see if a new device is actually an asix device */
+int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum,
+		      struct ueth_data *ss)
+{
+	struct usb_interface *iface;
+	struct usb_interface_descriptor *iface_desc;
+	struct asix_private *dev_priv;
+	int ep_in_found = 0, ep_out_found = 0;
+	int i;
+
+	/* let's examine the device now */
+	iface = &dev->config.if_desc[ifnum];
+	iface_desc = &dev->config.if_desc[ifnum].desc;
+
+	for (i = 0; asix_dongles[i].vendor != 0; i++) {
+		if (dev->descriptor.idVendor == asix_dongles[i].vendor &&
+		    dev->descriptor.idProduct == asix_dongles[i].product)
+			/* Found a supported dongle */
+			break;
+	}
+
+	if (asix_dongles[i].vendor == 0)
+		return 0;
+
+	memset(ss, 0, sizeof(struct ueth_data));
+
+	/* At this point, we know we've got a live one */
+	debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n",
+	      dev->descriptor.idVendor, dev->descriptor.idProduct);
+
+	/* Initialize the ueth_data structure with some useful info */
+	ss->ifnum = ifnum;
+	ss->pusb_dev = dev;
+	ss->subclass = iface_desc->bInterfaceSubClass;
+	ss->protocol = iface_desc->bInterfaceProtocol;
+
+	/* alloc driver private */
+	ss->dev_priv = calloc(1, sizeof(struct asix_private));
+	if (!ss->dev_priv)
+		return 0;
+	dev_priv = ss->dev_priv;
+	dev_priv->flags = asix_dongles[i].flags;
+
+	/*
+	 * We are expecting a minimum of 3 endpoints - in, out (bulk), and
+	 * int. We will ignore any others.
+	 */
+	for (i = 0; i < iface_desc->bNumEndpoints; i++) {
+		/* is it an interrupt endpoint? */
+		if ((iface->ep_desc[i].bmAttributes &
+		    USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
+			ss->ep_int = iface->ep_desc[i].bEndpointAddress &
+				USB_ENDPOINT_NUMBER_MASK;
+			ss->irqinterval = iface->ep_desc[i].bInterval;
+			continue;
+		}
+
+		/* is it an BULK endpoint? */
+		if (!((iface->ep_desc[i].bmAttributes &
+		     USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
+			continue;
+
+		u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
+		if ((ep_addr & USB_DIR_IN) && !ep_in_found) {
+			ss->ep_in = ep_addr &
+				USB_ENDPOINT_NUMBER_MASK;
+			ep_in_found = 1;
+		}
+		if (!(ep_addr & USB_DIR_IN) && !ep_out_found) {
+			ss->ep_out = ep_addr &
+				USB_ENDPOINT_NUMBER_MASK;
+			dev_priv->maxpacketsize =
+				dev->epmaxpacketout[AX_ENDPOINT_OUT];
+			ep_out_found = 1;
+		}
+	}
+	debug("Endpoints In %d Out %d Int %d\n",
+	      ss->ep_in, ss->ep_out, ss->ep_int);
+
+	/* Do some basic sanity checks, and bail if we find a problem */
+	if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
+	    !ss->ep_in || !ss->ep_out || !ss->ep_int) {
+		debug("Problems with device\n");
+		return 0;
+	}
+	dev->privptr = (void *)ss;
+	return 1;
+}
+
+int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
+				struct eth_device *eth)
+{
+	if (!eth) {
+		debug("%s: missing parameter.\n", __func__);
+		return 0;
+	}
+	sprintf(eth->name, "%s%d", ASIX_BASE_NAME, curr_eth_dev++);
+	eth->init = asix_init;
+	eth->send = asix_send;
+	eth->recv = asix_recv;
+	eth->halt = asix_halt;
+	eth->priv = ss;
+
+	if (asix_basic_reset(ss))
+		return 0;
+
+	/* Get the MAC address */
+	if (asix_read_mac(eth))
+		return 0;
+	debug("MAC %pM\n", eth->enetaddr);
+
+	return 1;
+}
--- a/drivers/usb/eth/usb_ether.c
+++ b/drivers/usb/eth/usb_ether.c
@ -30,6 +30,13 @@ static const struct usb_eth_prob_dev prob_dev[] = {
 		.get_info = asix_eth_get_info,
 	},
 #endif
+#ifdef CONFIG_USB_ETHER_ASIX88179
+	{
+		.before_probe = ax88179_eth_before_probe,
+		.probe = ax88179_eth_probe,
+		.get_info = ax88179_eth_get_info,
+	},
+#endif
 #ifdef CONFIG_USB_ETHER_MCS7830
 	{
 		.before_probe = mcs7830_eth_before_probe,
--- a/include/configs/arndale.h
+++ b/include/configs/arndale.h
@ -24,6 +24,11 @@
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_EXYNOS

+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_ASIX88179
+
 /* MMC SPL */
 #define CONFIG_EXYNOS_SPL

--- a/include/usb_ether.h
+++ b/include/usb_ether.h
@ -49,6 +49,12 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
 int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
 		      struct eth_device *eth);

+void ax88179_eth_before_probe(void);
+int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum,
+		      struct ueth_data *ss);
+int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
+		      struct eth_device *eth);
+
 void mcs7830_eth_before_probe(void);
 int mcs7830_eth_probe(struct usb_device *dev, unsigned int ifnum,
 		      struct ueth_data *ss);