ar71xx: move arch specific files to files-2.6.39

SVN-Revision: 29867

17 files changed, 6213 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files-2.6.39/drivers/mtd/maps/ar91xx_flash.c b/target/linux/ar71xx/files-2.6.39/drivers/mtd/maps/ar91xx_flash.c
new file mode 100644
index 0000000000..51ba7f5780
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/mtd/maps/ar91xx_flash.c
@@ -0,0 +1,310 @@
+/*
+ * Parallel flash driver for the Atheros AR91xx SoC
+ *
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/io.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ar71xx/ar91xx_flash.h>
+
+#define DRV_NAME	"ar91xx-flash"
+
+struct ar91xx_flash_info {
+	struct mtd_info		*mtd;
+	struct map_info		map;
+#ifdef CONFIG_MTD_PARTITIONS
+	int			nr_parts;
+	struct mtd_partition	*parts;
+#endif
+};
+
+static map_word ar91xx_flash_read(struct map_info *map, unsigned long ofs)
+{
+	map_word val;
+
+	if (map_bankwidth_is_1(map))
+		val.x[0] = __raw_readb(map->virt + (ofs ^ 3));
+	else if (map_bankwidth_is_2(map))
+		val.x[0] = __raw_readw(map->virt + (ofs ^ 2));
+	else
+		val = map_word_ff(map);
+
+	return val;
+}
+
+static void ar91xx_flash_write(struct map_info *map, map_word d,
+			       unsigned long ofs)
+{
+	if (map_bankwidth_is_1(map))
+		__raw_writeb(d.x[0], map->virt + (ofs ^ 3));
+	else if (map_bankwidth_is_2(map))
+		__raw_writew(d.x[0], map->virt + (ofs ^ 2));
+
+	mb();
+}
+
+static map_word ar91xx_flash_read_lock(struct map_info *map, unsigned long ofs)
+{
+	map_word ret;
+
+	ar71xx_flash_acquire();
+	ret = ar91xx_flash_read(map, ofs);
+	ar71xx_flash_release();
+
+	return ret;
+}
+
+static void ar91xx_flash_write_lock(struct map_info *map, map_word d,
+			       unsigned long ofs)
+{
+	ar71xx_flash_acquire();
+	ar91xx_flash_write(map, d, ofs);
+	ar71xx_flash_release();
+}
+
+static void ar91xx_flash_copy_from_lock(struct map_info *map, void *to,
+					unsigned long from, ssize_t len)
+{
+	ar71xx_flash_acquire();
+	inline_map_copy_from(map, to, from, len);
+	ar71xx_flash_release();
+}
+
+static void ar91xx_flash_copy_to_lock(struct map_info *map, unsigned long to,
+				      const void *from, ssize_t len)
+{
+	ar71xx_flash_acquire();
+	inline_map_copy_to(map, to, from, len);
+	ar71xx_flash_release();
+}
+
+static int ar91xx_flash_remove(struct platform_device *pdev)
+{
+	struct ar91xx_flash_platform_data *pdata;
+	struct ar91xx_flash_info *info;
+
+	info = platform_get_drvdata(pdev);
+	if (info == NULL)
+		return 0;
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (info->mtd == NULL)
+		return 0;
+
+	pdata = pdev->dev.platform_data;
+#ifdef CONFIG_MTD_PARTITIONS
+	if (info->nr_parts) {
+		del_mtd_partitions(info->mtd);
+		kfree(info->parts);
+	} else if (pdata->nr_parts) {
+		del_mtd_partitions(info->mtd);
+	} else {
+		del_mtd_device(info->mtd);
+	}
+#else
+	del_mtd_device(info->mtd);
+#endif
+	map_destroy(info->mtd);
+
+	return 0;
+}
+
+static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL };
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
+#endif
+
+static int ar91xx_flash_probe(struct platform_device *pdev)
+{
+	struct ar91xx_flash_platform_data *pdata;
+	struct ar91xx_flash_info *info;
+	struct resource *res;
+	struct resource *region;
+	const char **probe_type;
+	int err = 0;
+
+	pdata = pdev->dev.platform_data;
+	if (pdata == NULL)
+		return -EINVAL;
+
+	info = devm_kzalloc(&pdev->dev, sizeof(struct ar91xx_flash_info),
+			    GFP_KERNEL);
+	if (info == NULL) {
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	platform_set_drvdata(pdev, info);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		err = -ENOENT;
+		goto err_out;
+	}
+
+	dev_info(&pdev->dev, "%.8llx at %.8llx\n",
+		 (unsigned long long)(res->end - res->start + 1),
+		 (unsigned long long)res->start);
+
+	region = devm_request_mem_region(&pdev->dev,
+					 res->start, res->end - res->start + 1,
+					 dev_name(&pdev->dev));
+	if (region == NULL) {
+		dev_err(&pdev->dev, "could not reserve memory region\n");
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	info->map.name = dev_name(&pdev->dev);
+	info->map.phys = res->start;
+	info->map.size = res->end - res->start + 1;
+	info->map.bankwidth = pdata->width;
+
+	info->map.virt = devm_ioremap(&pdev->dev, info->map.phys,
+				      info->map.size);
+	if (info->map.virt == NULL) {
+		dev_err(&pdev->dev, "failed to ioremap flash region\n");
+		err = -EIO;
+		goto err_out;
+	}
+
+	simple_map_init(&info->map);
+	if (pdata->is_shared) {
+		info->map.read = ar91xx_flash_read_lock;
+		info->map.write = ar91xx_flash_write_lock;
+		info->map.copy_from = ar91xx_flash_copy_from_lock;
+		info->map.copy_to = ar91xx_flash_copy_to_lock;
+	} else {
+		info->map.read = ar91xx_flash_read;
+		info->map.write = ar91xx_flash_write;
+	}
+
+	probe_type = rom_probe_types;
+	for (; info->mtd == NULL && *probe_type != NULL; probe_type++)
+		info->mtd = do_map_probe(*probe_type, &info->map);
+
+	if (info->mtd == NULL) {
+		dev_err(&pdev->dev, "map_probe failed\n");
+		err = -ENXIO;
+		goto err_out;
+	}
+
+	info->mtd->owner = THIS_MODULE;
+
+#ifdef CONFIG_MTD_PARTITIONS
+	if (pdata->nr_parts) {
+		dev_info(&pdev->dev, "using static partition mapping\n");
+		add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts);
+		return 0;
+	}
+
+	err = parse_mtd_partitions(info->mtd, part_probe_types,
+				   &info->parts, 0);
+	if (err > 0) {
+		add_mtd_partitions(info->mtd, info->parts, err);
+		return 0;
+	}
+#endif
+
+	add_mtd_device(info->mtd);
+	return 0;
+
+err_out:
+	ar91xx_flash_remove(pdev);
+	return err;
+}
+
+#ifdef CONFIG_PM
+static int ar91xx_flash_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct ar91xx_flash_info *info = platform_get_drvdata(dev);
+	int ret = 0;
+
+	if (info->mtd->suspend)
+		ret = info->mtd->suspend(info->mtd);
+
+	if (ret)
+		goto fail;
+
+	return 0;
+
+fail:
+	if (info->mtd->suspend) {
+		BUG_ON(!info->mtd->resume);
+		info->mtd->resume(info->mtd);
+	}
+
+	return ret;
+}
+
+static int ar91xx_flash_resume(struct platform_device *pdev)
+{
+	struct ar91xx_flash_info *info = platform_get_drvdata(pdev);
+
+	if (info->mtd->resume)
+		info->mtd->resume(info->mtd);
+
+	return 0;
+}
+
+static void ar91xx_flash_shutdown(struct platform_device *pdev)
+{
+	struct ar91xx_flash_info *info = platform_get_drvdata(pdev);
+
+	if (info->mtd->suspend && info->mtd->resume)
+		if (info->mtd->suspend(info->mtd) == 0)
+			info->mtd->resume(info->mtd);
+}
+#else
+#define ar91xx_flash_suspend	NULL
+#define ar91xx_flash_resume	NULL
+#define ar91xx_flash_shutdown	NULL
+#endif
+
+static struct platform_driver ar91xx_flash_driver = {
+	.probe		= ar91xx_flash_probe,
+	.remove		= ar91xx_flash_remove,
+	.suspend	= ar91xx_flash_suspend,
+	.resume		= ar91xx_flash_resume,
+	.shutdown	= ar91xx_flash_shutdown,
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init ar91xx_flash_init(void)
+{
+	return platform_driver_register(&ar91xx_flash_driver);
+}
+
+static void __exit ar91xx_flash_exit(void)
+{
+	platform_driver_unregister(&ar91xx_flash_driver);
+}
+
+module_init(ar91xx_flash_init);
+module_exit(ar91xx_flash_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_DESCRIPTION("Parallel flash driver for the Atheros AR91xx SoC");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Kconfig b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Kconfig
new file mode 100644
index 0000000000..7db779e38c
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Kconfig
@@ -0,0 +1,33 @@
+config AG71XX
+	tristate "Atheros AR71xx built-in ethernet mac support"
+	depends on ATHEROS_AR71XX
+	select PHYLIB
+	help
+	  If you wish to compile a kernel for AR71xx/91xx and enable
+	  ethernet support, then you should always answer Y to this.
+
+if AG71XX
+
+config AG71XX_DEBUG
+	bool "Atheros AR71xx built-in ethernet driver debugging"
+	default n
+	help
+	  Atheros AR71xx built-in ethernet driver debugging messages.
+
+config AG71XX_DEBUG_FS
+	bool "Atheros AR71xx built-in ethernet driver debugfs support"
+	depends on DEBUG_FS
+	default n
+	help
+	  Say Y, if you need access to various statistics provided by
+	  the ag71xx driver.
+
+config AG71XX_AR8216_SUPPORT
+	bool "special support for the Atheros AR8216 switch"
+	default n
+	default y if AR71XX_MACH_WNR2000 || AR71XX_MACH_MZK_W04NU
+	help
+	  Say 'y' here if you want to enable special support for the
+	  Atheros AR8216 switch found on some boards.
+
+endif
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Makefile b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Makefile
new file mode 100644
index 0000000000..b3ec4084c8
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/Makefile
@@ -0,0 +1,15 @@
+#
+# Makefile for the Atheros AR71xx built-in ethernet macs
+#
+
+ag71xx-y	+= ag71xx_main.o
+ag71xx-y	+= ag71xx_ethtool.o
+ag71xx-y	+= ag71xx_phy.o
+ag71xx-y	+= ag71xx_mdio.o
+ag71xx-y	+= ag71xx_ar7240.o
+
+ag71xx-$(CONFIG_AG71XX_DEBUG_FS)	+= ag71xx_debugfs.o
+ag71xx-$(CONFIG_AG71XX_AR8216_SUPPORT)	+= ag71xx_ar8216.o
+
+obj-$(CONFIG_AG71XX)	+= ag71xx.o
+
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx.h
new file mode 100644
index 0000000000..97e5fb2840
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx.h
@@ -0,0 +1,465 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#ifndef __AG71XX_H
+#define __AG71XX_H
+
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/random.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
+#include <linux/phy.h>
+#include <linux/skbuff.h>
+#include <linux/dma-mapping.h>
+#include <linux/workqueue.h>
+
+#include <linux/bitops.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ar71xx/platform.h>
+
+#define AG71XX_DRV_NAME		"ag71xx"
+#define AG71XX_DRV_VERSION	"0.5.35"
+
+#define AG71XX_NAPI_WEIGHT	64
+#define AG71XX_OOM_REFILL	(1 + HZ/10)
+
+#define AG71XX_INT_ERR	(AG71XX_INT_RX_BE | AG71XX_INT_TX_BE)
+#define AG71XX_INT_TX	(AG71XX_INT_TX_PS)
+#define AG71XX_INT_RX	(AG71XX_INT_RX_PR | AG71XX_INT_RX_OF)
+
+#define AG71XX_INT_POLL	(AG71XX_INT_RX | AG71XX_INT_TX)
+#define AG71XX_INT_INIT	(AG71XX_INT_ERR | AG71XX_INT_POLL)
+
+#define AG71XX_TX_MTU_LEN	1540
+#define AG71XX_RX_PKT_RESERVE	64
+#define AG71XX_RX_PKT_SIZE	\
+	(AG71XX_RX_PKT_RESERVE + ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
+
+#define AG71XX_TX_RING_SIZE_DEFAULT	64
+#define AG71XX_RX_RING_SIZE_DEFAULT	128
+
+#define AG71XX_TX_RING_SIZE_MAX		256
+#define AG71XX_RX_RING_SIZE_MAX		256
+
+#ifdef CONFIG_AG71XX_DEBUG
+#define DBG(fmt, args...)	printk(KERN_DEBUG fmt, ## args)
+#else
+#define DBG(fmt, args...)	do {} while (0)
+#endif
+
+#define ag71xx_assert(_cond)						\
+do {									\
+	if (_cond)							\
+		break;							\
+	printk("%s,%d: assertion failed\n", __FILE__, __LINE__);	\
+	BUG();								\
+} while (0)
+
+struct ag71xx_desc {
+	u32	data;
+	u32	ctrl;
+#define DESC_EMPTY	BIT(31)
+#define DESC_MORE	BIT(24)
+#define DESC_PKTLEN_M	0xfff
+	u32	next;
+	u32	pad;
+} __attribute__((aligned(4)));
+
+struct ag71xx_buf {
+	struct sk_buff		*skb;
+	struct ag71xx_desc	*desc;
+	dma_addr_t		dma_addr;
+	unsigned long		timestamp;
+};
+
+struct ag71xx_ring {
+	struct ag71xx_buf	*buf;
+	u8			*descs_cpu;
+	dma_addr_t		descs_dma;
+	unsigned int		desc_size;
+	unsigned int		curr;
+	unsigned int		dirty;
+	unsigned int		size;
+};
+
+struct ag71xx_mdio {
+	struct mii_bus		*mii_bus;
+	int			mii_irq[PHY_MAX_ADDR];
+	void __iomem		*mdio_base;
+	struct ag71xx_mdio_platform_data *pdata;
+};
+
+struct ag71xx_int_stats {
+	unsigned long		rx_pr;
+	unsigned long		rx_be;
+	unsigned long		rx_of;
+	unsigned long		tx_ps;
+	unsigned long		tx_be;
+	unsigned long		tx_ur;
+	unsigned long		total;
+};
+
+struct ag71xx_napi_stats {
+	unsigned long		napi_calls;
+	unsigned long		rx_count;
+	unsigned long		rx_packets;
+	unsigned long		rx_packets_max;
+	unsigned long		tx_count;
+	unsigned long		tx_packets;
+	unsigned long		tx_packets_max;
+
+	unsigned long		rx[AG71XX_NAPI_WEIGHT + 1];
+	unsigned long		tx[AG71XX_NAPI_WEIGHT + 1];
+};
+
+struct ag71xx_debug {
+	struct dentry		*debugfs_dir;
+
+	struct ag71xx_int_stats int_stats;
+	struct ag71xx_napi_stats napi_stats;
+};
+
+struct ag71xx {
+	void __iomem		*mac_base;
+
+	spinlock_t		lock;
+	struct platform_device	*pdev;
+	struct net_device	*dev;
+	struct napi_struct	napi;
+	u32			msg_enable;
+
+	struct ag71xx_desc	*stop_desc;
+	dma_addr_t		stop_desc_dma;
+
+	struct ag71xx_ring	rx_ring;
+	struct ag71xx_ring	tx_ring;
+
+	struct mii_bus		*mii_bus;
+	struct phy_device	*phy_dev;
+	void			*phy_priv;
+
+	unsigned int		link;
+	unsigned int		speed;
+	int			duplex;
+
+	struct work_struct	restart_work;
+	struct delayed_work	link_work;
+	struct timer_list	oom_timer;
+
+#ifdef CONFIG_AG71XX_DEBUG_FS
+	struct ag71xx_debug	debug;
+#endif
+};
+
+extern struct ethtool_ops ag71xx_ethtool_ops;
+void ag71xx_link_adjust(struct ag71xx *ag);
+
+int ag71xx_mdio_driver_init(void) __init;
+void ag71xx_mdio_driver_exit(void);
+
+int ag71xx_phy_connect(struct ag71xx *ag);
+void ag71xx_phy_disconnect(struct ag71xx *ag);
+void ag71xx_phy_start(struct ag71xx *ag);
+void ag71xx_phy_stop(struct ag71xx *ag);
+
+static inline struct ag71xx_platform_data *ag71xx_get_pdata(struct ag71xx *ag)
+{
+	return ag->pdev->dev.platform_data;
+}
+
+static inline int ag71xx_desc_empty(struct ag71xx_desc *desc)
+{
+	return (desc->ctrl & DESC_EMPTY) != 0;
+}
+
+static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc)
+{
+	return desc->ctrl & DESC_PKTLEN_M;
+}
+
+/* Register offsets */
+#define AG71XX_REG_MAC_CFG1	0x0000
+#define AG71XX_REG_MAC_CFG2	0x0004
+#define AG71XX_REG_MAC_IPG	0x0008
+#define AG71XX_REG_MAC_HDX	0x000c
+#define AG71XX_REG_MAC_MFL	0x0010
+#define AG71XX_REG_MII_CFG	0x0020
+#define AG71XX_REG_MII_CMD	0x0024
+#define AG71XX_REG_MII_ADDR	0x0028
+#define AG71XX_REG_MII_CTRL	0x002c
+#define AG71XX_REG_MII_STATUS	0x0030
+#define AG71XX_REG_MII_IND	0x0034
+#define AG71XX_REG_MAC_IFCTL	0x0038
+#define AG71XX_REG_MAC_ADDR1	0x0040
+#define AG71XX_REG_MAC_ADDR2	0x0044
+#define AG71XX_REG_FIFO_CFG0	0x0048
+#define AG71XX_REG_FIFO_CFG1	0x004c
+#define AG71XX_REG_FIFO_CFG2	0x0050
+#define AG71XX_REG_FIFO_CFG3	0x0054
+#define AG71XX_REG_FIFO_CFG4	0x0058
+#define AG71XX_REG_FIFO_CFG5	0x005c
+#define AG71XX_REG_FIFO_RAM0	0x0060
+#define AG71XX_REG_FIFO_RAM1	0x0064
+#define AG71XX_REG_FIFO_RAM2	0x0068
+#define AG71XX_REG_FIFO_RAM3	0x006c
+#define AG71XX_REG_FIFO_RAM4	0x0070
+#define AG71XX_REG_FIFO_RAM5	0x0074
+#define AG71XX_REG_FIFO_RAM6	0x0078
+#define AG71XX_REG_FIFO_RAM7	0x007c
+
+#define AG71XX_REG_TX_CTRL	0x0180
+#define AG71XX_REG_TX_DESC	0x0184
+#define AG71XX_REG_TX_STATUS	0x0188
+#define AG71XX_REG_RX_CTRL	0x018c
+#define AG71XX_REG_RX_DESC	0x0190
+#define AG71XX_REG_RX_STATUS	0x0194
+#define AG71XX_REG_INT_ENABLE	0x0198
+#define AG71XX_REG_INT_STATUS	0x019c
+
+#define AG71XX_REG_FIFO_DEPTH	0x01a8
+#define AG71XX_REG_RX_SM	0x01b0
+#define AG71XX_REG_TX_SM	0x01b4
+
+#define MAC_CFG1_TXE		BIT(0)	/* Tx Enable */
+#define MAC_CFG1_STX		BIT(1)	/* Synchronize Tx Enable */
+#define MAC_CFG1_RXE		BIT(2)	/* Rx Enable */
+#define MAC_CFG1_SRX		BIT(3)	/* Synchronize Rx Enable */
+#define MAC_CFG1_TFC		BIT(4)	/* Tx Flow Control Enable */
+#define MAC_CFG1_RFC		BIT(5)	/* Rx Flow Control Enable */
+#define MAC_CFG1_LB		BIT(8)	/* Loopback mode */
+#define MAC_CFG1_SR		BIT(31)	/* Soft Reset */
+
+#define MAC_CFG2_FDX		BIT(0)
+#define MAC_CFG2_CRC_EN		BIT(1)
+#define MAC_CFG2_PAD_CRC_EN	BIT(2)
+#define MAC_CFG2_LEN_CHECK	BIT(4)
+#define MAC_CFG2_HUGE_FRAME_EN	BIT(5)
+#define MAC_CFG2_IF_1000	BIT(9)
+#define MAC_CFG2_IF_10_100	BIT(8)
+
+#define FIFO_CFG0_WTM		BIT(0)	/* Watermark Module */
+#define FIFO_CFG0_RXS		BIT(1)	/* Rx System Module */
+#define FIFO_CFG0_RXF		BIT(2)	/* Rx Fabric Module */
+#define FIFO_CFG0_TXS		BIT(3)	/* Tx System Module */
+#define FIFO_CFG0_TXF		BIT(4)	/* Tx Fabric Module */
+#define FIFO_CFG0_ALL	(FIFO_CFG0_WTM | FIFO_CFG0_RXS | FIFO_CFG0_RXF \
+			| FIFO_CFG0_TXS | FIFO_CFG0_TXF)
+
+#define FIFO_CFG0_ENABLE_SHIFT	8
+
+#define FIFO_CFG4_DE		BIT(0)	/* Drop Event */
+#define FIFO_CFG4_DV		BIT(1)	/* RX_DV Event */
+#define FIFO_CFG4_FC		BIT(2)	/* False Carrier */
+#define FIFO_CFG4_CE		BIT(3)	/* Code Error */
+#define FIFO_CFG4_CR		BIT(4)	/* CRC error */
+#define FIFO_CFG4_LM		BIT(5)	/* Length Mismatch */
+#define FIFO_CFG4_LO		BIT(6)	/* Length out of range */
+#define FIFO_CFG4_OK		BIT(7)	/* Packet is OK */
+#define FIFO_CFG4_MC		BIT(8)	/* Multicast Packet */
+#define FIFO_CFG4_BC		BIT(9)	/* Broadcast Packet */
+#define FIFO_CFG4_DR		BIT(10)	/* Dribble */
+#define FIFO_CFG4_LE		BIT(11)	/* Long Event */
+#define FIFO_CFG4_CF		BIT(12)	/* Control Frame */
+#define FIFO_CFG4_PF		BIT(13)	/* Pause Frame */
+#define FIFO_CFG4_UO		BIT(14)	/* Unsupported Opcode */
+#define FIFO_CFG4_VT		BIT(15)	/* VLAN tag detected */
+#define FIFO_CFG4_FT		BIT(16)	/* Frame Truncated */
+#define FIFO_CFG4_UC		BIT(17)	/* Unicast Packet */
+
+#define FIFO_CFG5_DE		BIT(0)	/* Drop Event */
+#define FIFO_CFG5_DV		BIT(1)	/* RX_DV Event */
+#define FIFO_CFG5_FC		BIT(2)	/* False Carrier */
+#define FIFO_CFG5_CE		BIT(3)	/* Code Error */
+#define FIFO_CFG5_LM		BIT(4)	/* Length Mismatch */
+#define FIFO_CFG5_LO		BIT(5)	/* Length Out of Range */
+#define FIFO_CFG5_OK		BIT(6)	/* Packet is OK */
+#define FIFO_CFG5_MC		BIT(7)	/* Multicast Packet */
+#define FIFO_CFG5_BC		BIT(8)	/* Broadcast Packet */
+#define FIFO_CFG5_DR		BIT(9)	/* Dribble */
+#define FIFO_CFG5_CF		BIT(10)	/* Control Frame */
+#define FIFO_CFG5_PF		BIT(11)	/* Pause Frame */
+#define FIFO_CFG5_UO		BIT(12)	/* Unsupported Opcode */
+#define FIFO_CFG5_VT		BIT(13)	/* VLAN tag detected */
+#define FIFO_CFG5_LE		BIT(14)	/* Long Event */
+#define FIFO_CFG5_FT		BIT(15)	/* Frame Truncated */
+#define FIFO_CFG5_16		BIT(16)	/* unknown */
+#define FIFO_CFG5_17		BIT(17)	/* unknown */
+#define FIFO_CFG5_SF		BIT(18)	/* Short Frame */
+#define FIFO_CFG5_BM		BIT(19)	/* Byte Mode */
+
+#define AG71XX_INT_TX_PS	BIT(0)
+#define AG71XX_INT_TX_UR	BIT(1)
+#define AG71XX_INT_TX_BE	BIT(3)
+#define AG71XX_INT_RX_PR	BIT(4)
+#define AG71XX_INT_RX_OF	BIT(6)
+#define AG71XX_INT_RX_BE	BIT(7)
+
+#define MAC_IFCTL_SPEED		BIT(16)
+
+#define MII_CFG_CLK_DIV_4	0
+#define MII_CFG_CLK_DIV_6	2
+#define MII_CFG_CLK_DIV_8	3
+#define MII_CFG_CLK_DIV_10	4
+#define MII_CFG_CLK_DIV_14	5
+#define MII_CFG_CLK_DIV_20	6
+#define MII_CFG_CLK_DIV_28	7
+#define MII_CFG_RESET		BIT(31)
+
+#define MII_CMD_WRITE		0x0
+#define MII_CMD_READ		0x1
+#define MII_ADDR_SHIFT		8
+#define MII_IND_BUSY		BIT(0)
+#define MII_IND_INVALID		BIT(2)
+
+#define TX_CTRL_TXE		BIT(0)	/* Tx Enable */
+
+#define TX_STATUS_PS		BIT(0)	/* Packet Sent */
+#define TX_STATUS_UR		BIT(1)	/* Tx Underrun */
+#define TX_STATUS_BE		BIT(3)	/* Bus Error */
+
+#define RX_CTRL_RXE		BIT(0)	/* Rx Enable */
+
+#define RX_STATUS_PR		BIT(0)	/* Packet Received */
+#define RX_STATUS_OF		BIT(2)	/* Rx Overflow */
+#define RX_STATUS_BE		BIT(3)	/* Bus Error */
+
+static inline void ag71xx_check_reg_offset(struct ag71xx *ag, unsigned reg)
+{
+	switch (reg) {
+	case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
+	case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_TX_SM:
+	case AG71XX_REG_MII_CFG:
+		break;
+
+	default:
+		BUG();
+	}
+}
+
+static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
+{
+	ag71xx_check_reg_offset(ag, reg);
+
+	__raw_writel(value, ag->mac_base + reg);
+	/* flush write */
+	(void) __raw_readl(ag->mac_base + reg);
+}
+
+static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
+{
+	ag71xx_check_reg_offset(ag, reg);
+
+	return __raw_readl(ag->mac_base + reg);
+}
+
+static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
+{
+	void __iomem *r;
+
+	ag71xx_check_reg_offset(ag, reg);
+
+	r = ag->mac_base + reg;
+	__raw_writel(__raw_readl(r) | mask, r);
+	/* flush write */
+	(void)__raw_readl(r);
+}
+
+static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
+{
+	void __iomem *r;
+
+	ag71xx_check_reg_offset(ag, reg);
+
+	r = ag->mac_base + reg;
+	__raw_writel(__raw_readl(r) & ~mask, r);
+	/* flush write */
+	(void) __raw_readl(r);
+}
+
+static inline void ag71xx_int_enable(struct ag71xx *ag, u32 ints)
+{
+	ag71xx_sb(ag, AG71XX_REG_INT_ENABLE, ints);
+}
+
+static inline void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
+{
+	ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints);
+}
+
+#ifdef CONFIG_AG71XX_AR8216_SUPPORT
+void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb);
+int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb,
+				int pktlen);
+static inline int ag71xx_has_ar8216(struct ag71xx *ag)
+{
+	return ag71xx_get_pdata(ag)->has_ar8216;
+}
+#else
+static inline void ag71xx_add_ar8216_header(struct ag71xx *ag,
+					   struct sk_buff *skb)
+{
+}
+
+static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag,
+					      struct sk_buff *skb,
+					      int pktlen)
+{
+	return 0;
+}
+static inline int ag71xx_has_ar8216(struct ag71xx *ag)
+{
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_AG71XX_DEBUG_FS
+int ag71xx_debugfs_root_init(void);
+void ag71xx_debugfs_root_exit(void);
+int ag71xx_debugfs_init(struct ag71xx *ag);
+void ag71xx_debugfs_exit(struct ag71xx *ag);
+void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status);
+void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx);
+#else
+static inline int ag71xx_debugfs_root_init(void) { return 0; }
+static inline void ag71xx_debugfs_root_exit(void) {}
+static inline int ag71xx_debugfs_init(struct ag71xx *ag) { return 0; }
+static inline void ag71xx_debugfs_exit(struct ag71xx *ag) {}
+static inline void ag71xx_debugfs_update_int_stats(struct ag71xx *ag,
+						   u32 status) {}
+static inline void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag,
+						    int rx, int tx) {}
+#endif /* CONFIG_AG71XX_DEBUG_FS */
+
+void ag71xx_ar7240_start(struct ag71xx *ag);
+void ag71xx_ar7240_stop(struct ag71xx *ag);
+int ag71xx_ar7240_init(struct ag71xx *ag);
+void ag71xx_ar7240_cleanup(struct ag71xx *ag);
+
+int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg);
+void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val);
+
+u16 ar7240sw_phy_read(struct mii_bus *mii, unsigned phy_addr,
+		      unsigned reg_addr);
+int ar7240sw_phy_write(struct mii_bus *mii, unsigned phy_addr,
+		       unsigned reg_addr, u16 reg_val);
+
+#endif /* _AG71XX_H */
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar7240.c
new file mode 100644
index 0000000000..ab7abd9e5c
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar7240.c
@@ -0,0 +1,1194 @@
+/*
+ *  Driver for the built-in ethernet switch of the Atheros AR7240 SoC
+ *  Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (c) 2010 Felix Fietkau <nbd@openwrt.org>
+ *
+ *  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.
+ *
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/phy.h>
+#include <linux/mii.h>
+#include <linux/bitops.h>
+#include <linux/switch.h>
+#include "ag71xx.h"
+
+#define BITM(_count)	(BIT(_count) - 1)
+#define BITS(_shift, _count)	(BITM(_count) << _shift)
+
+#define AR7240_REG_MASK_CTRL		0x00
+#define AR7240_MASK_CTRL_REVISION_M	BITM(8)
+#define AR7240_MASK_CTRL_VERSION_M	BITM(8)
+#define AR7240_MASK_CTRL_VERSION_S	8
+#define   AR7240_MASK_CTRL_VERSION_AR7240 0x01
+#define   AR7240_MASK_CTRL_VERSION_AR934X 0x02
+#define AR7240_MASK_CTRL_SOFT_RESET	BIT(31)
+
+#define AR7240_REG_MAC_ADDR0		0x20
+#define AR7240_REG_MAC_ADDR1		0x24
+
+#define AR7240_REG_FLOOD_MASK		0x2c
+#define AR7240_FLOOD_MASK_BROAD_TO_CPU	BIT(26)
+
+#define AR7240_REG_GLOBAL_CTRL		0x30
+#define AR7240_GLOBAL_CTRL_MTU_M	BITM(12)
+
+#define AR7240_REG_VTU			0x0040
+#define   AR7240_VTU_OP			BITM(3)
+#define   AR7240_VTU_OP_NOOP		0x0
+#define   AR7240_VTU_OP_FLUSH		0x1
+#define   AR7240_VTU_OP_LOAD		0x2
+#define   AR7240_VTU_OP_PURGE		0x3
+#define   AR7240_VTU_OP_REMOVE_PORT	0x4
+#define   AR7240_VTU_ACTIVE		BIT(3)
+#define   AR7240_VTU_FULL		BIT(4)
+#define   AR7240_VTU_PORT		BITS(8, 4)
+#define   AR7240_VTU_PORT_S		8
+#define   AR7240_VTU_VID		BITS(16, 12)
+#define   AR7240_VTU_VID_S		16
+#define   AR7240_VTU_PRIO		BITS(28, 3)
+#define   AR7240_VTU_PRIO_S		28
+#define   AR7240_VTU_PRIO_EN		BIT(31)
+
+#define AR7240_REG_VTU_DATA		0x0044
+#define   AR7240_VTUDATA_MEMBER		BITS(0, 10)
+#define   AR7240_VTUDATA_VALID		BIT(11)
+
+#define AR7240_REG_ATU			0x50
+#define AR7240_ATU_FLUSH_ALL		0x1
+
+#define AR7240_REG_AT_CTRL		0x5c
+#define AR7240_AT_CTRL_AGE_TIME		BITS(0, 15)
+#define AR7240_AT_CTRL_AGE_EN		BIT(17)
+#define AR7240_AT_CTRL_LEARN_CHANGE	BIT(18)
+#define AR7240_AT_CTRL_RESERVED		BIT(19)
+#define AR7240_AT_CTRL_ARP_EN		BIT(20)
+
+#define AR7240_REG_TAG_PRIORITY		0x70
+
+#define AR7240_REG_SERVICE_TAG		0x74
+#define AR7240_SERVICE_TAG_M		BITM(16)
+
+#define AR7240_REG_CPU_PORT		0x78
+#define AR7240_MIRROR_PORT_S		4
+#define AR7240_CPU_PORT_EN		BIT(8)
+
+#define AR7240_REG_MIB_FUNCTION0	0x80
+#define AR7240_MIB_TIMER_M		BITM(16)
+#define AR7240_MIB_AT_HALF_EN		BIT(16)
+#define AR7240_MIB_BUSY			BIT(17)
+#define AR7240_MIB_FUNC_S		24
+#define AR7240_MIB_FUNC_NO_OP		0x0
+#define AR7240_MIB_FUNC_FLUSH		0x1
+#define AR7240_MIB_FUNC_CAPTURE		0x3
+
+#define AR7240_REG_MDIO_CTRL		0x98
+#define AR7240_MDIO_CTRL_DATA_M		BITM(16)
+#define AR7240_MDIO_CTRL_REG_ADDR_S	16
+#define AR7240_MDIO_CTRL_PHY_ADDR_S	21
+#define AR7240_MDIO_CTRL_CMD_WRITE	0
+#define AR7240_MDIO_CTRL_CMD_READ	BIT(27)
+#define AR7240_MDIO_CTRL_MASTER_EN	BIT(30)
+#define AR7240_MDIO_CTRL_BUSY		BIT(31)
+
+#define AR7240_REG_PORT_BASE(_port)	(0x100 + (_port) * 0x100)
+
+#define AR7240_REG_PORT_STATUS(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x00)
+#define AR7240_PORT_STATUS_SPEED_S	0
+#define AR7240_PORT_STATUS_SPEED_M	BITM(2)
+#define AR7240_PORT_STATUS_SPEED_10	0
+#define AR7240_PORT_STATUS_SPEED_100	1
+#define AR7240_PORT_STATUS_SPEED_1000	2
+#define AR7240_PORT_STATUS_TXMAC	BIT(2)
+#define AR7240_PORT_STATUS_RXMAC	BIT(3)
+#define AR7240_PORT_STATUS_TXFLOW	BIT(4)
+#define AR7240_PORT_STATUS_RXFLOW	BIT(5)
+#define AR7240_PORT_STATUS_DUPLEX	BIT(6)
+#define AR7240_PORT_STATUS_LINK_UP	BIT(8)
+#define AR7240_PORT_STATUS_LINK_AUTO	BIT(9)
+#define AR7240_PORT_STATUS_LINK_PAUSE	BIT(10)
+
+#define AR7240_REG_PORT_CTRL(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x04)
+#define AR7240_PORT_CTRL_STATE_M	BITM(3)
+#define	AR7240_PORT_CTRL_STATE_DISABLED	0
+#define AR7240_PORT_CTRL_STATE_BLOCK	1
+#define AR7240_PORT_CTRL_STATE_LISTEN	2
+#define AR7240_PORT_CTRL_STATE_LEARN	3
+#define AR7240_PORT_CTRL_STATE_FORWARD	4
+#define AR7240_PORT_CTRL_LEARN_LOCK	BIT(7)
+#define AR7240_PORT_CTRL_VLAN_MODE_S	8
+#define AR7240_PORT_CTRL_VLAN_MODE_KEEP	0
+#define AR7240_PORT_CTRL_VLAN_MODE_STRIP 1
+#define AR7240_PORT_CTRL_VLAN_MODE_ADD	2
+#define AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG 3
+#define AR7240_PORT_CTRL_IGMP_SNOOP	BIT(10)
+#define AR7240_PORT_CTRL_HEADER		BIT(11)
+#define AR7240_PORT_CTRL_MAC_LOOP	BIT(12)
+#define AR7240_PORT_CTRL_SINGLE_VLAN	BIT(13)
+#define AR7240_PORT_CTRL_LEARN		BIT(14)
+#define AR7240_PORT_CTRL_DOUBLE_TAG	BIT(15)
+#define AR7240_PORT_CTRL_MIRROR_TX	BIT(16)
+#define AR7240_PORT_CTRL_MIRROR_RX	BIT(17)
+
+#define AR7240_REG_PORT_VLAN(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x08)
+
+#define AR7240_PORT_VLAN_DEFAULT_ID_S	0
+#define AR7240_PORT_VLAN_DEST_PORTS_S	16
+#define AR7240_PORT_VLAN_MODE_S		30
+#define AR7240_PORT_VLAN_MODE_PORT_ONLY	0
+#define AR7240_PORT_VLAN_MODE_PORT_FALLBACK	1
+#define AR7240_PORT_VLAN_MODE_VLAN_ONLY	2
+#define AR7240_PORT_VLAN_MODE_SECURE	3
+
+
+#define AR7240_REG_STATS_BASE(_port)	(0x20000 + (_port) * 0x100)
+
+#define AR7240_STATS_RXBROAD		0x00
+#define AR7240_STATS_RXPAUSE		0x04
+#define AR7240_STATS_RXMULTI		0x08
+#define AR7240_STATS_RXFCSERR		0x0c
+#define AR7240_STATS_RXALIGNERR		0x10
+#define AR7240_STATS_RXRUNT		0x14
+#define AR7240_STATS_RXFRAGMENT		0x18
+#define AR7240_STATS_RX64BYTE		0x1c
+#define AR7240_STATS_RX128BYTE		0x20
+#define AR7240_STATS_RX256BYTE		0x24
+#define AR7240_STATS_RX512BYTE		0x28
+#define AR7240_STATS_RX1024BYTE		0x2c
+#define AR7240_STATS_RX1518BYTE		0x30
+#define AR7240_STATS_RXMAXBYTE		0x34
+#define AR7240_STATS_RXTOOLONG		0x38
+#define AR7240_STATS_RXGOODBYTE		0x3c
+#define AR7240_STATS_RXBADBYTE		0x44
+#define AR7240_STATS_RXOVERFLOW		0x4c
+#define AR7240_STATS_FILTERED		0x50
+#define AR7240_STATS_TXBROAD		0x54
+#define AR7240_STATS_TXPAUSE		0x58
+#define AR7240_STATS_TXMULTI		0x5c
+#define AR7240_STATS_TXUNDERRUN		0x60
+#define AR7240_STATS_TX64BYTE		0x64
+#define AR7240_STATS_TX128BYTE		0x68
+#define AR7240_STATS_TX256BYTE		0x6c
+#define AR7240_STATS_TX512BYTE		0x70
+#define AR7240_STATS_TX1024BYTE		0x74
+#define AR7240_STATS_TX1518BYTE		0x78
+#define AR7240_STATS_TXMAXBYTE		0x7c
+#define AR7240_STATS_TXOVERSIZE		0x80
+#define AR7240_STATS_TXBYTE		0x84
+#define AR7240_STATS_TXCOLLISION	0x8c
+#define AR7240_STATS_TXABORTCOL		0x90
+#define AR7240_STATS_TXMULTICOL		0x94
+#define AR7240_STATS_TXSINGLECOL	0x98
+#define AR7240_STATS_TXEXCDEFER		0x9c
+#define AR7240_STATS_TXDEFER		0xa0
+#define AR7240_STATS_TXLATECOL		0xa4
+
+#define AR7240_PORT_CPU		0
+#define AR7240_NUM_PORTS	6
+#define AR7240_NUM_PHYS		5
+
+#define AR7240_PHY_ID1		0x004d
+#define AR7240_PHY_ID2		0xd041
+
+#define AR934X_PHY_ID1		0x004d
+#define AR934X_PHY_ID2		0xd042
+
+#define AR7240_MAX_VLANS	16
+
+#define AR934X_REG_OPER_MODE0		0x04
+#define   AR934X_OPER_MODE0_MAC_GMII_EN	BIT(6)
+#define   AR934X_OPER_MODE0_PHY_MII_EN	BIT(10)
+
+#define AR934X_REG_OPER_MODE1		0x08
+#define   AR934X_REG_OPER_MODE1_PHY4_MII_EN	BIT(28)
+
+#define AR934X_REG_PORT_BASE(_port)	(0x100 + (_port) * 0x100)
+
+#define AR934X_REG_PORT_VLAN1(_port)	(AR934X_REG_PORT_BASE((_port)) + 0x08)
+#define   AR934X_PORT_VLAN1_DEFAULT_SVID_S		0
+#define   AR934X_PORT_VLAN1_FORCE_DEFAULT_VID_EN 	BIT(12)
+#define   AR934X_PORT_VLAN1_PORT_TLS_MODE		BIT(13)
+#define   AR934X_PORT_VLAN1_PORT_VLAN_PROP_EN		BIT(14)
+#define   AR934X_PORT_VLAN1_PORT_CLONE_EN		BIT(15)
+#define   AR934X_PORT_VLAN1_DEFAULT_CVID_S		16
+#define   AR934X_PORT_VLAN1_FORCE_PORT_VLAN_EN		BIT(28)
+#define   AR934X_PORT_VLAN1_ING_PORT_PRI_S		29
+
+#define AR934X_REG_PORT_VLAN2(_port)	(AR934X_REG_PORT_BASE((_port)) + 0x0c)
+#define   AR934X_PORT_VLAN2_PORT_VID_MEM_S		16
+#define   AR934X_PORT_VLAN2_8021Q_MODE_S		30
+#define   AR934X_PORT_VLAN2_8021Q_MODE_PORT_ONLY	0
+#define   AR934X_PORT_VLAN2_8021Q_MODE_PORT_FALLBACK	1
+#define   AR934X_PORT_VLAN2_8021Q_MODE_VLAN_ONLY	2
+#define   AR934X_PORT_VLAN2_8021Q_MODE_SECURE		3
+
+#define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev)
+
+struct ar7240sw_port_stat {
+	unsigned long rx_broadcast;
+	unsigned long rx_pause;
+	unsigned long rx_multicast;
+	unsigned long rx_fcs_error;
+	unsigned long rx_align_error;
+	unsigned long rx_runt;
+	unsigned long rx_fragments;
+	unsigned long rx_64byte;
+	unsigned long rx_128byte;
+	unsigned long rx_256byte;
+	unsigned long rx_512byte;
+	unsigned long rx_1024byte;
+	unsigned long rx_1518byte;
+	unsigned long rx_maxbyte;
+	unsigned long rx_toolong;
+	unsigned long rx_good_byte;
+	unsigned long rx_bad_byte;
+	unsigned long rx_overflow;
+	unsigned long filtered;
+
+	unsigned long tx_broadcast;
+	unsigned long tx_pause;
+	unsigned long tx_multicast;
+	unsigned long tx_underrun;
+	unsigned long tx_64byte;
+	unsigned long tx_128byte;
+	unsigned long tx_256byte;
+	unsigned long tx_512byte;
+	unsigned long tx_1024byte;
+	unsigned long tx_1518byte;
+	unsigned long tx_maxbyte;
+	unsigned long tx_oversize;
+	unsigned long tx_byte;
+	unsigned long tx_collision;
+	unsigned long tx_abortcol;
+	unsigned long tx_multicol;
+	unsigned long tx_singlecol;
+	unsigned long tx_excdefer;
+	unsigned long tx_defer;
+	unsigned long tx_xlatecol;
+};
+
+struct ar7240sw {
+	struct mii_bus	*mii_bus;
+	struct ag71xx_switch_platform_data *swdata;
+	struct switch_dev swdev;
+	int num_ports;
+	u8 ver;
+	bool vlan;
+	u16 vlan_id[AR7240_MAX_VLANS];
+	u8 vlan_table[AR7240_MAX_VLANS];
+	u8 vlan_tagged;
+	u16 pvid[AR7240_NUM_PORTS];
+	char buf[80];
+
+	rwlock_t stats_lock;
+	struct ar7240sw_port_stat port_stats[AR7240_NUM_PORTS];
+};
+
+struct ar7240sw_hw_stat {
+	char string[ETH_GSTRING_LEN];
+	int sizeof_stat;
+	int reg;
+};
+
+static DEFINE_MUTEX(reg_mutex);
+
+static inline int sw_is_ar7240(struct ar7240sw *as)
+{
+	return as->ver == AR7240_MASK_CTRL_VERSION_AR7240;
+}
+
+static inline int sw_is_ar934x(struct ar7240sw *as)
+{
+	return as->ver == AR7240_MASK_CTRL_VERSION_AR934X;
+}
+
+static inline u32 ar7240sw_port_mask(struct ar7240sw *as, int port)
+{
+	return BIT(port);
+}
+
+static inline u32 ar7240sw_port_mask_all(struct ar7240sw *as)
+{
+	return BIT(as->swdev.ports) - 1;
+}
+
+static inline u32 ar7240sw_port_mask_but(struct ar7240sw *as, int port)
+{
+	return ar7240sw_port_mask_all(as) & ~BIT(port);
+}
+
+static inline u16 mk_phy_addr(u32 reg)
+{
+	return 0x17 & ((reg >> 4) | 0x10);
+}
+
+static inline u16 mk_phy_reg(u32 reg)
+{
+	return (reg << 1) & 0x1e;
+}
+
+static inline u16 mk_high_addr(u32 reg)
+{
+	return (reg >> 7) & 0x1ff;
+}
+
+static u32 __ar7240sw_reg_read(struct mii_bus *mii, u32 reg)
+{
+	unsigned long flags;
+	u16 phy_addr;
+	u16 phy_reg;
+	u32 hi, lo;
+
+	reg = (reg & 0xfffffffc) >> 2;
+	phy_addr = mk_phy_addr(reg);
+	phy_reg = mk_phy_reg(reg);
+
+	local_irq_save(flags);
+	ag71xx_mdio_mii_write(mii->priv, 0x1f, 0x10, mk_high_addr(reg));
+	lo = (u32) ag71xx_mdio_mii_read(mii->priv, phy_addr, phy_reg);
+	hi = (u32) ag71xx_mdio_mii_read(mii->priv, phy_addr, phy_reg + 1);
+	local_irq_restore(flags);
+
+	return (hi << 16) | lo;
+}
+
+static void __ar7240sw_reg_write(struct mii_bus *mii, u32 reg, u32 val)
+{
+	unsigned long flags;
+	u16 phy_addr;
+	u16 phy_reg;
+
+	reg = (reg & 0xfffffffc) >> 2;
+	phy_addr = mk_phy_addr(reg);
+	phy_reg = mk_phy_reg(reg);
+
+	local_irq_save(flags);
+	ag71xx_mdio_mii_write(mii->priv, 0x1f, 0x10, mk_high_addr(reg));
+	ag71xx_mdio_mii_write(mii->priv, phy_addr, phy_reg + 1, (val >> 16));
+	ag71xx_mdio_mii_write(mii->priv, phy_addr, phy_reg, (val & 0xffff));
+	local_irq_restore(flags);
+}
+
+static u32 ar7240sw_reg_read(struct mii_bus *mii, u32 reg_addr)
+{
+	u32 ret;
+
+	mutex_lock(&reg_mutex);
+	ret = __ar7240sw_reg_read(mii, reg_addr);
+	mutex_unlock(&reg_mutex);
+
+	return ret;
+}
+
+static void ar7240sw_reg_write(struct mii_bus *mii, u32 reg_addr, u32 reg_val)
+{
+	mutex_lock(&reg_mutex);
+	__ar7240sw_reg_write(mii, reg_addr, reg_val);
+	mutex_unlock(&reg_mutex);
+}
+
+static u32 ar7240sw_reg_rmw(struct mii_bus *mii, u32 reg, u32 mask, u32 val)
+{
+	u32 t;
+
+	mutex_lock(&reg_mutex);
+	t = __ar7240sw_reg_read(mii, reg);
+	t &= ~mask;
+	t |= val;
+	__ar7240sw_reg_write(mii, reg, t);
+	mutex_unlock(&reg_mutex);
+
+	return t;
+}
+
+static void ar7240sw_reg_set(struct mii_bus *mii, u32 reg, u32 val)
+{
+	u32 t;
+
+	mutex_lock(&reg_mutex);
+	t = __ar7240sw_reg_read(mii, reg);
+	t |= val;
+	__ar7240sw_reg_write(mii, reg, t);
+	mutex_unlock(&reg_mutex);
+}
+
+static int __ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
+			       unsigned timeout)
+{
+	int i;
+
+	for (i = 0; i < timeout; i++) {
+		u32 t;
+
+		t = __ar7240sw_reg_read(mii, reg);
+		if ((t & mask) == val)
+			return 0;
+
+		msleep(1);
+	}
+
+	return -ETIMEDOUT;
+}
+
+static int ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
+			     unsigned timeout)
+{
+	int ret;
+
+	mutex_lock(&reg_mutex);
+	ret = __ar7240sw_reg_wait(mii, reg, mask, val, timeout);
+	mutex_unlock(&reg_mutex);
+	return ret;
+}
+
+u16 ar7240sw_phy_read(struct mii_bus *mii, unsigned phy_addr,
+		      unsigned reg_addr)
+{
+	u32 t, val = 0xffff;
+	int err;
+
+	if (phy_addr >= AR7240_NUM_PHYS)
+		return 0xffff;
+
+	mutex_lock(&reg_mutex);
+	t = (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
+	    (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
+	    AR7240_MDIO_CTRL_MASTER_EN |
+	    AR7240_MDIO_CTRL_BUSY |
+	    AR7240_MDIO_CTRL_CMD_READ;
+
+	__ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
+	err = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
+				  AR7240_MDIO_CTRL_BUSY, 0, 5);
+	if (!err)
+		val = __ar7240sw_reg_read(mii, AR7240_REG_MDIO_CTRL);
+	mutex_unlock(&reg_mutex);
+
+	return val & AR7240_MDIO_CTRL_DATA_M;
+}
+
+int ar7240sw_phy_write(struct mii_bus *mii, unsigned phy_addr,
+		       unsigned reg_addr, u16 reg_val)
+{
+	u32 t;
+	int ret;
+
+	if (phy_addr >= AR7240_NUM_PHYS)
+		return -EINVAL;
+
+	mutex_lock(&reg_mutex);
+	t = (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
+	    (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
+	    AR7240_MDIO_CTRL_MASTER_EN |
+	    AR7240_MDIO_CTRL_BUSY |
+	    AR7240_MDIO_CTRL_CMD_WRITE |
+	    reg_val;
+
+	__ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
+	ret = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
+				  AR7240_MDIO_CTRL_BUSY, 0, 5);
+	mutex_unlock(&reg_mutex);
+
+	return ret;
+}
+
+static int ar7240sw_capture_stats(struct ar7240sw *as)
+{
+	struct mii_bus *mii = as->mii_bus;
+	int port;
+	int ret;
+
+	write_lock(&as->stats_lock);
+
+	/* Capture the hardware statistics for all ports */
+	ar7240sw_reg_write(mii, AR7240_REG_MIB_FUNCTION0,
+			   (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S));
+
+	/* Wait for the capturing to complete. */
+	ret = ar7240sw_reg_wait(mii, AR7240_REG_MIB_FUNCTION0,
+				AR7240_MIB_BUSY, 0, 10);
+
+	if (ret)
+		goto unlock;
+
+	for (port = 0; port < AR7240_NUM_PORTS; port++) {
+		unsigned int base;
+		struct ar7240sw_port_stat *stats;
+
+		base = AR7240_REG_STATS_BASE(port);
+		stats = &as->port_stats[port];
+
+#define READ_STAT(_r) ar7240sw_reg_read(mii, base + AR7240_STATS_ ## _r)
+
+		stats->rx_good_byte += READ_STAT(RXGOODBYTE);
+		stats->tx_byte += READ_STAT(TXBYTE);
+
+#undef READ_STAT
+	}
+
+	ret = 0;
+
+unlock:
+	write_unlock(&as->stats_lock);
+	return ret;
+}
+
+static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port)
+{
+	ar7240sw_reg_write(as->mii_bus, AR7240_REG_PORT_CTRL(port),
+			   AR7240_PORT_CTRL_STATE_DISABLED);
+}
+
+static void ar7240sw_setup(struct ar7240sw *as)
+{
+	struct mii_bus *mii = as->mii_bus;
+
+	/* Enable CPU port, and disable mirror port */
+	ar7240sw_reg_write(mii, AR7240_REG_CPU_PORT,
+			   AR7240_CPU_PORT_EN |
+			   (15 << AR7240_MIRROR_PORT_S));
+
+	/* Setup TAG priority mapping */
+	ar7240sw_reg_write(mii, AR7240_REG_TAG_PRIORITY, 0xfa50);
+
+	/* Enable ARP frame acknowledge, aging, MAC replacing */
+	ar7240sw_reg_write(mii, AR7240_REG_AT_CTRL,
+		AR7240_AT_CTRL_RESERVED |
+		0x2b /* 5 min age time */ |
+		AR7240_AT_CTRL_AGE_EN |
+		AR7240_AT_CTRL_ARP_EN |
+		AR7240_AT_CTRL_LEARN_CHANGE);
+
+	/* Enable Broadcast frames transmitted to the CPU */
+	ar7240sw_reg_set(mii, AR7240_REG_FLOOD_MASK,
+			 AR7240_FLOOD_MASK_BROAD_TO_CPU);
+
+	/* setup MTU */
+	ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL, AR7240_GLOBAL_CTRL_MTU_M,
+			 1536);
+
+	/* setup Service TAG */
+	ar7240sw_reg_rmw(mii, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M, 0);
+}
+
+static int ar7240sw_reset(struct ar7240sw *as)
+{
+	struct mii_bus *mii = as->mii_bus;
+	int ret;
+	int i;
+
+	/* Set all ports to disabled state. */
+	for (i = 0; i < AR7240_NUM_PORTS; i++)
+		ar7240sw_disable_port(as, i);
+
+	/* Wait for transmit queues to drain. */
+	msleep(2);
+
+	/* Reset the switch. */
+	ar7240sw_reg_write(mii, AR7240_REG_MASK_CTRL,
+			   AR7240_MASK_CTRL_SOFT_RESET);
+
+	ret = ar7240sw_reg_wait(mii, AR7240_REG_MASK_CTRL,
+				AR7240_MASK_CTRL_SOFT_RESET, 0, 1000);
+
+	ar7240sw_setup(as);
+	return ret;
+}
+
+static void ar7240sw_setup_port(struct ar7240sw *as, unsigned port, u8 portmask)
+{
+	struct mii_bus *mii = as->mii_bus;
+	u32 ctrl;
+	u32 vid, mode;
+
+	ctrl = AR7240_PORT_CTRL_STATE_FORWARD | AR7240_PORT_CTRL_LEARN |
+		AR7240_PORT_CTRL_SINGLE_VLAN;
+
+	if (port == AR7240_PORT_CPU) {
+		ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
+				   AR7240_PORT_STATUS_SPEED_1000 |
+				   AR7240_PORT_STATUS_TXFLOW |
+				   AR7240_PORT_STATUS_RXFLOW |
+				   AR7240_PORT_STATUS_TXMAC |
+				   AR7240_PORT_STATUS_RXMAC |
+				   AR7240_PORT_STATUS_DUPLEX);
+	} else {
+		ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
+				   AR7240_PORT_STATUS_LINK_AUTO);
+	}
+
+	/* Set the default VID for this port */
+	if (as->vlan) {
+		vid = as->vlan_id[as->pvid[port]];
+		mode = AR7240_PORT_VLAN_MODE_SECURE;
+	} else {
+		vid = port;
+		mode = AR7240_PORT_VLAN_MODE_PORT_ONLY;
+	}
+
+	if (as->vlan && (as->vlan_tagged & BIT(port))) {
+		ctrl |= AR7240_PORT_CTRL_VLAN_MODE_ADD <<
+			AR7240_PORT_CTRL_VLAN_MODE_S;
+	} else {
+		ctrl |= AR7240_PORT_CTRL_VLAN_MODE_STRIP <<
+			AR7240_PORT_CTRL_VLAN_MODE_S;
+	}
+
+	if (!portmask) {
+		if (port == AR7240_PORT_CPU)
+			portmask = ar7240sw_port_mask_but(as, AR7240_PORT_CPU);
+		else
+			portmask = ar7240sw_port_mask(as, AR7240_PORT_CPU);
+	}
+
+	/* allow the port to talk to all other ports, but exclude its
+	 * own ID to prevent frames from being reflected back to the
+	 * port that they came from */
+	portmask &= ar7240sw_port_mask_but(as, port);
+
+	ar7240sw_reg_write(mii, AR7240_REG_PORT_CTRL(port), ctrl);
+	if (sw_is_ar934x(as)) {
+		u32 vlan1, vlan2;
+
+		vlan1 = (vid << AR934X_PORT_VLAN1_DEFAULT_CVID_S);
+		vlan2 = (portmask << AR934X_PORT_VLAN2_PORT_VID_MEM_S) |
+			(mode << AR934X_PORT_VLAN2_8021Q_MODE_S);
+		ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN1(port), vlan1);
+		ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN2(port), vlan2);
+	} else {
+		u32 vlan;
+
+		vlan = vid | (mode << AR7240_PORT_VLAN_MODE_S) |
+		       (portmask << AR7240_PORT_VLAN_DEST_PORTS_S);
+
+		ar7240sw_reg_write(mii, AR7240_REG_PORT_VLAN(port), vlan);
+	}
+}
+
+static int ar7240_set_addr(struct ar7240sw *as, u8 *addr)
+{
+	struct mii_bus *mii = as->mii_bus;
+	u32 t;
+
+	t = (addr[4] << 8) | addr[5];
+	ar7240sw_reg_write(mii, AR7240_REG_MAC_ADDR0, t);
+
+	t = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
+	ar7240sw_reg_write(mii, AR7240_REG_MAC_ADDR1, t);
+
+	return 0;
+}
+
+static int
+ar7240_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	as->vlan_id[val->port_vlan] = val->value.i;
+	return 0;
+}
+
+static int
+ar7240_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	val->value.i = as->vlan_id[val->port_vlan];
+	return 0;
+}
+
+static int
+ar7240_set_pvid(struct switch_dev *dev, int port, int vlan)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+
+	/* make sure no invalid PVIDs get set */
+
+	if (vlan >= dev->vlans)
+		return -EINVAL;
+
+	as->pvid[port] = vlan;
+	return 0;
+}
+
+static int
+ar7240_get_pvid(struct switch_dev *dev, int port, int *vlan)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	*vlan = as->pvid[port];
+	return 0;
+}
+
+static int
+ar7240_get_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	u8 ports = as->vlan_table[val->port_vlan];
+	int i;
+
+	val->len = 0;
+	for (i = 0; i < as->swdev.ports; i++) {
+		struct switch_port *p;
+
+		if (!(ports & (1 << i)))
+			continue;
+
+		p = &val->value.ports[val->len++];
+		p->id = i;
+		if (as->vlan_tagged & (1 << i))
+			p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
+		else
+			p->flags = 0;
+	}
+	return 0;
+}
+
+static int
+ar7240_set_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	u8 *vt = &as->vlan_table[val->port_vlan];
+	int i, j;
+
+	*vt = 0;
+	for (i = 0; i < val->len; i++) {
+		struct switch_port *p = &val->value.ports[i];
+
+		if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED))
+			as->vlan_tagged |= (1 << p->id);
+		else {
+			as->vlan_tagged &= ~(1 << p->id);
+			as->pvid[p->id] = val->port_vlan;
+
+			/* make sure that an untagged port does not
+			 * appear in other vlans */
+			for (j = 0; j < AR7240_MAX_VLANS; j++) {
+				if (j == val->port_vlan)
+					continue;
+				as->vlan_table[j] &= ~(1 << p->id);
+			}
+		}
+
+		*vt |= 1 << p->id;
+	}
+	return 0;
+}
+
+static int
+ar7240_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	as->vlan = !!val->value.i;
+	return 0;
+}
+
+static int
+ar7240_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	val->value.i = as->vlan;
+	return 0;
+}
+
+static const char *
+ar7240_speed_str(u32 status)
+{
+	u32 speed;
+
+	speed = (status >> AR7240_PORT_STATUS_SPEED_S) &
+					AR7240_PORT_STATUS_SPEED_M;
+	switch (speed) {
+	case AR7240_PORT_STATUS_SPEED_10:
+		return "10baseT";
+	case AR7240_PORT_STATUS_SPEED_100:
+		return "100baseT";
+	case AR7240_PORT_STATUS_SPEED_1000:
+		return "1000baseT";
+	}
+
+	return "unknown";
+}
+
+static int
+ar7240_port_get_link(struct switch_dev *dev, const struct switch_attr *attr,
+		     struct switch_val *val)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	struct mii_bus *mii = as->mii_bus;
+	u32 len;
+	u32 status;
+	int port;
+
+	port = val->port_vlan;
+
+	memset(as->buf, '\0', sizeof(as->buf));
+	status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port));
+
+	if (status & AR7240_PORT_STATUS_LINK_UP) {
+		len = snprintf(as->buf, sizeof(as->buf),
+				"port:%d link:up speed:%s %s-duplex %s%s%s",
+				port,
+				ar7240_speed_str(status),
+				(status & AR7240_PORT_STATUS_DUPLEX) ?
+					"full" : "half",
+				(status & AR7240_PORT_STATUS_TXFLOW) ?
+					"txflow ": "",
+				(status & AR7240_PORT_STATUS_RXFLOW) ?
+					"rxflow " : "",
+				(status & AR7240_PORT_STATUS_LINK_AUTO) ?
+					"auto ": "");
+	} else {
+		len = snprintf(as->buf, sizeof(as->buf),
+			       "port:%d link:down", port);
+	}
+
+	val->value.s = as->buf;
+	val->len = len;
+
+	return 0;
+}
+
+static void
+ar7240_vtu_op(struct ar7240sw *as, u32 op, u32 val)
+{
+	struct mii_bus *mii = as->mii_bus;
+
+	if (ar7240sw_reg_wait(mii, AR7240_REG_VTU, AR7240_VTU_ACTIVE, 0, 5))
+		return;
+
+	if ((op & AR7240_VTU_OP) == AR7240_VTU_OP_LOAD) {
+		val &= AR7240_VTUDATA_MEMBER;
+		val |= AR7240_VTUDATA_VALID;
+		ar7240sw_reg_write(mii, AR7240_REG_VTU_DATA, val);
+	}
+	op |= AR7240_VTU_ACTIVE;
+	ar7240sw_reg_write(mii, AR7240_REG_VTU, op);
+}
+
+static int
+ar7240_hw_apply(struct switch_dev *dev)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	u8 portmask[AR7240_NUM_PORTS];
+	int i, j;
+
+	/* flush all vlan translation unit entries */
+	ar7240_vtu_op(as, AR7240_VTU_OP_FLUSH, 0);
+
+	memset(portmask, 0, sizeof(portmask));
+	if (as->vlan) {
+		/* calculate the port destination masks and load vlans
+		 * into the vlan translation unit */
+		for (j = 0; j < AR7240_MAX_VLANS; j++) {
+			u8 vp = as->vlan_table[j];
+
+			if (!vp)
+				continue;
+
+			for (i = 0; i < as->swdev.ports; i++) {
+				u8 mask = (1 << i);
+				if (vp & mask)
+					portmask[i] |= vp & ~mask;
+			}
+
+			ar7240_vtu_op(as,
+				AR7240_VTU_OP_LOAD |
+				(as->vlan_id[j] << AR7240_VTU_VID_S),
+				as->vlan_table[j]);
+		}
+	} else {
+		/* vlan disabled:
+		 * isolate all ports, but connect them to the cpu port */
+		for (i = 0; i < as->swdev.ports; i++) {
+			if (i == AR7240_PORT_CPU)
+				continue;
+
+			portmask[i] = 1 << AR7240_PORT_CPU;
+			portmask[AR7240_PORT_CPU] |= (1 << i);
+		}
+	}
+
+	/* update the port destination mask registers and tag settings */
+	for (i = 0; i < as->swdev.ports; i++)
+		ar7240sw_setup_port(as, i, portmask[i]);
+
+	return 0;
+}
+
+static int
+ar7240_reset_switch(struct switch_dev *dev)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	ar7240sw_reset(as);
+	return 0;
+}
+
+static int
+ar7240_get_port_link(struct switch_dev *dev, int port,
+		     struct switch_port_link *link)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+	struct mii_bus *mii = as->mii_bus;
+	u32 status;
+
+	if (port > AR7240_NUM_PORTS)
+		return -EINVAL;
+
+	status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port));
+
+	link->link = !!(status & AR7240_PORT_STATUS_LINK_UP);
+	link->aneg = !!(status & AR7240_PORT_STATUS_LINK_AUTO);
+	link->duplex = !!(status & AR7240_PORT_STATUS_DUPLEX);
+	link->tx_flow = !!(status & AR7240_PORT_STATUS_TXFLOW);
+	link->rx_flow = !!(status & AR7240_PORT_STATUS_RXFLOW);
+	switch (status & AR7240_PORT_STATUS_SPEED_M) {
+	case AR7240_PORT_STATUS_SPEED_10:
+		link->speed = SWITCH_PORT_SPEED_10;
+		break;
+	case AR7240_PORT_STATUS_SPEED_100:
+		link->speed = SWITCH_PORT_SPEED_100;
+		break;
+	case AR7240_PORT_STATUS_SPEED_1000:
+		link->speed = SWITCH_PORT_SPEED_1000;
+		break;
+	}
+
+	return 0;
+}
+
+static int
+ar7240_get_port_stats(struct switch_dev *dev, int port,
+		      struct switch_port_stats *stats)
+{
+	struct ar7240sw *as = sw_to_ar7240(dev);
+
+	if (port > AR7240_NUM_PORTS)
+		return -EINVAL;
+
+	ar7240sw_capture_stats(as);
+
+	read_lock(&as->stats_lock);
+	stats->rx_bytes = as->port_stats[port].rx_good_byte;
+	stats->tx_bytes = as->port_stats[port].tx_byte;
+	read_unlock(&as->stats_lock);
+
+	return 0;
+}
+
+static struct switch_attr ar7240_globals[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "Enable VLAN mode",
+		.set = ar7240_set_vlan,
+		.get = ar7240_get_vlan,
+		.max = 1
+	},
+};
+
+static struct switch_attr ar7240_port[] = {
+	{
+		.type = SWITCH_TYPE_STRING,
+		.name = "link",
+		.description = "Get port link information",
+		.max = 1,
+		.set = NULL,
+		.get = ar7240_port_get_link,
+	},
+};
+
+static struct switch_attr ar7240_vlan[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "vid",
+		.description = "VLAN ID",
+		.set = ar7240_set_vid,
+		.get = ar7240_get_vid,
+		.max = 4094,
+	},
+};
+
+static const struct switch_dev_ops ar7240_ops = {
+	.attr_global = {
+		.attr = ar7240_globals,
+		.n_attr = ARRAY_SIZE(ar7240_globals),
+	},
+	.attr_port = {
+		.attr = ar7240_port,
+		.n_attr = ARRAY_SIZE(ar7240_port),
+	},
+	.attr_vlan = {
+		.attr = ar7240_vlan,
+		.n_attr = ARRAY_SIZE(ar7240_vlan),
+	},
+	.get_port_pvid = ar7240_get_pvid,
+	.set_port_pvid = ar7240_set_pvid,
+	.get_vlan_ports = ar7240_get_ports,
+	.set_vlan_ports = ar7240_set_ports,
+	.apply_config = ar7240_hw_apply,
+	.reset_switch = ar7240_reset_switch,
+	.get_port_link = ar7240_get_port_link,
+	.get_port_stats = ar7240_get_port_stats,
+};
+
+static struct ar7240sw *ar7240_probe(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	struct mii_bus *mii = ag->mii_bus;
+	struct ar7240sw *as;
+	struct switch_dev *swdev;
+	u32 ctrl;
+	u16 phy_id1;
+	u16 phy_id2;
+	int i;
+
+	phy_id1 = ar7240sw_phy_read(mii, 0, MII_PHYSID1);
+	phy_id2 = ar7240sw_phy_read(mii, 0, MII_PHYSID2);
+	if ((phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) &&
+	    (phy_id1 != AR934X_PHY_ID1 || phy_id2 != AR934X_PHY_ID2)) {
+		pr_err("%s: unknown phy id '%04x:%04x'\n",
+		       ag->dev->name, phy_id1, phy_id2);
+		return NULL;
+	}
+
+	as = kzalloc(sizeof(*as), GFP_KERNEL);
+	if (!as)
+		return NULL;
+
+	as->mii_bus = mii;
+	as->swdata = pdata->switch_data;
+
+	swdev = &as->swdev;
+
+	ctrl = ar7240sw_reg_read(mii, AR7240_REG_MASK_CTRL);
+	as->ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) &
+		  AR7240_MASK_CTRL_VERSION_M;
+
+	if (sw_is_ar7240(as)) {
+		swdev->name = "AR7240/AR9330 built-in switch";
+	} else if (sw_is_ar934x(as)) {
+		swdev->name = "AR934X built-in switch";
+
+		if (pdata->phy_if_mode == PHY_INTERFACE_MODE_GMII) {
+			ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
+					 AR934X_OPER_MODE0_MAC_GMII_EN);
+		} else if (pdata->phy_if_mode == PHY_INTERFACE_MODE_MII) {
+			ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
+					 AR934X_OPER_MODE0_PHY_MII_EN);
+		} else {
+			pr_err("%s: invalid PHY interface mode\n",
+			       ag->dev->name);
+			goto err_free;
+		}
+
+		if (as->swdata->phy4_mii_en)
+			ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE1,
+					 AR934X_REG_OPER_MODE1_PHY4_MII_EN);
+	} else {
+		pr_err("%s: unsupported chip, ctrl=%08x\n",
+			ag->dev->name, ctrl);
+		goto err_free;
+	}
+
+	swdev->ports = AR7240_NUM_PORTS - 1;
+	swdev->cpu_port = AR7240_PORT_CPU;
+	swdev->vlans = AR7240_MAX_VLANS;
+	swdev->ops = &ar7240_ops;
+
+	if (register_switch(&as->swdev, ag->dev) < 0)
+		goto err_free;
+
+	pr_info("%s: Found an %s\n", ag->dev->name, swdev->name);
+
+	/* initialize defaults */
+	for (i = 0; i < AR7240_MAX_VLANS; i++)
+		as->vlan_id[i] = i;
+
+	as->vlan_table[0] = ar7240sw_port_mask_all(as);
+
+	return as;
+
+err_free:
+	kfree(as);
+	return NULL;
+}
+
+static void link_function(struct work_struct *work) {
+	struct ag71xx *ag = container_of(work, struct ag71xx, link_work.work);
+	unsigned long flags;
+	int i;
+	int status = 0;
+
+	for (i = 0; i < 4; i++) {
+		int link = ar7240sw_phy_read(ag->mii_bus, i, MII_BMSR);
+		if(link & BMSR_LSTATUS) {
+			status = 1;
+			break;
+		}
+	}
+
+	spin_lock_irqsave(&ag->lock, flags);
+	if(status != ag->link) {
+		ag->link = status;
+		ag71xx_link_adjust(ag);
+	}
+	spin_unlock_irqrestore(&ag->lock, flags);
+
+	schedule_delayed_work(&ag->link_work, HZ / 2);
+}
+
+void ag71xx_ar7240_start(struct ag71xx *ag)
+{
+	struct ar7240sw *as = ag->phy_priv;
+
+	ar7240sw_reset(as);
+
+	ag->speed = SPEED_1000;
+	ag->duplex = 1;
+
+	ar7240_set_addr(as, ag->dev->dev_addr);
+	ar7240_hw_apply(&as->swdev);
+
+	schedule_delayed_work(&ag->link_work, HZ / 10);
+}
+
+void ag71xx_ar7240_stop(struct ag71xx *ag)
+{
+	cancel_delayed_work_sync(&ag->link_work);
+}
+
+int __devinit ag71xx_ar7240_init(struct ag71xx *ag)
+{
+	struct ar7240sw *as;
+
+	as = ar7240_probe(ag);
+	if (!as)
+		return -ENODEV;
+
+	ag->phy_priv = as;
+	ar7240sw_reset(as);
+
+	rwlock_init(&as->stats_lock);
+	INIT_DELAYED_WORK(&ag->link_work, link_function);
+
+	return 0;
+}
+
+void ag71xx_ar7240_cleanup(struct ag71xx *ag)
+{
+	struct ar7240sw *as = ag->phy_priv;
+
+	if (!as)
+		return;
+
+	unregister_switch(&as->swdev);
+	kfree(as);
+	ag->phy_priv = NULL;
+}
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar8216.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar8216.c
new file mode 100644
index 0000000000..7ec43b7221
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ar8216.c
@@ -0,0 +1,44 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *  Special support for the Atheros ar8216 switch chip
+ *
+ *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include "ag71xx.h"
+
+#define AR8216_PACKET_TYPE_MASK		0xf
+#define AR8216_PACKET_TYPE_NORMAL	0
+
+#define AR8216_HEADER_LEN	2
+
+void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb)
+{
+	skb_push(skb, AR8216_HEADER_LEN);
+	skb->data[0] = 0x10;
+	skb->data[1] = 0x80;
+}
+
+int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb,
+				int pktlen)
+{
+	u8 type;
+
+	type = skb->data[1] & AR8216_PACKET_TYPE_MASK;
+	switch (type) {
+	case AR8216_PACKET_TYPE_NORMAL:
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	skb_pull(skb, AR8216_HEADER_LEN);
+	return 0;
+}
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_debugfs.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_debugfs.c
new file mode 100644
index 0000000000..65f2be198f
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_debugfs.c
@@ -0,0 +1,280 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include <linux/debugfs.h>
+
+#include "ag71xx.h"
+
+static struct dentry *ag71xx_debugfs_root;
+
+static int ag71xx_debugfs_generic_open(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status)
+{
+	if (status)
+		ag->debug.int_stats.total++;
+	if (status & AG71XX_INT_TX_PS)
+		ag->debug.int_stats.tx_ps++;
+	if (status & AG71XX_INT_TX_UR)
+		ag->debug.int_stats.tx_ur++;
+	if (status & AG71XX_INT_TX_BE)
+		ag->debug.int_stats.tx_be++;
+	if (status & AG71XX_INT_RX_PR)
+		ag->debug.int_stats.rx_pr++;
+	if (status & AG71XX_INT_RX_OF)
+		ag->debug.int_stats.rx_of++;
+	if (status & AG71XX_INT_RX_BE)
+		ag->debug.int_stats.rx_be++;
+}
+
+static ssize_t read_file_int_stats(struct file *file, char __user *user_buf,
+				   size_t count, loff_t *ppos)
+{
+#define PR_INT_STAT(_label, _field)					\
+	len += snprintf(buf + len, sizeof(buf) - len,			\
+		"%20s: %10lu\n", _label, ag->debug.int_stats._field);
+
+	struct ag71xx *ag = file->private_data;
+	char buf[256];
+	unsigned int len = 0;
+
+	PR_INT_STAT("TX Packet Sent", tx_ps);
+	PR_INT_STAT("TX Underrun", tx_ur);
+	PR_INT_STAT("TX Bus Error", tx_be);
+	PR_INT_STAT("RX Packet Received", rx_pr);
+	PR_INT_STAT("RX Overflow", rx_of);
+	PR_INT_STAT("RX Bus Error", rx_be);
+	len += snprintf(buf + len, sizeof(buf) - len, "\n");
+	PR_INT_STAT("Total", total);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+#undef PR_INT_STAT
+}
+
+static const struct file_operations ag71xx_fops_int_stats = {
+	.open	= ag71xx_debugfs_generic_open,
+	.read	= read_file_int_stats,
+	.owner	= THIS_MODULE
+};
+
+void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx)
+{
+	struct ag71xx_napi_stats *stats = &ag->debug.napi_stats;
+
+	if (rx) {
+		stats->rx_count++;
+		stats->rx_packets += rx;
+		if (rx <= AG71XX_NAPI_WEIGHT)
+			stats->rx[rx]++;
+		if (rx > stats->rx_packets_max)
+			stats->rx_packets_max = rx;
+	}
+
+	if (tx) {
+		stats->tx_count++;
+		stats->tx_packets += tx;
+		if (tx <= AG71XX_NAPI_WEIGHT)
+			stats->tx[tx]++;
+		if (tx > stats->tx_packets_max)
+			stats->tx_packets_max = tx;
+	}
+}
+
+static ssize_t read_file_napi_stats(struct file *file, char __user *user_buf,
+				    size_t count, loff_t *ppos)
+{
+	struct ag71xx *ag = file->private_data;
+	struct ag71xx_napi_stats *stats = &ag->debug.napi_stats;
+	char *buf;
+	unsigned int buflen;
+	unsigned int len = 0;
+	unsigned long rx_avg = 0;
+	unsigned long tx_avg = 0;
+	int ret;
+	int i;
+
+	buflen = 2048;
+	buf = kmalloc(buflen, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	if (stats->rx_count)
+		rx_avg = stats->rx_packets / stats->rx_count;
+
+	if (stats->tx_count)
+		tx_avg = stats->tx_packets / stats->tx_count;
+
+	len += snprintf(buf + len, buflen - len, "%3s  %10s %10s\n",
+			"len", "rx", "tx");
+
+	for (i = 1; i <= AG71XX_NAPI_WEIGHT; i++)
+		len += snprintf(buf + len, buflen - len,
+				"%3d: %10lu %10lu\n",
+				i, stats->rx[i], stats->tx[i]);
+
+	len += snprintf(buf + len, buflen - len, "\n");
+
+	len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
+			"sum", stats->rx_count, stats->tx_count);
+	len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
+			"avg", rx_avg, tx_avg);
+	len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
+			"max", stats->rx_packets_max, stats->tx_packets_max);
+	len += snprintf(buf + len, buflen - len, "%3s: %10lu %10lu\n",
+			"pkt", stats->rx_packets, stats->tx_packets);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return ret;
+}
+
+static const struct file_operations ag71xx_fops_napi_stats = {
+	.open	= ag71xx_debugfs_generic_open,
+	.read	= read_file_napi_stats,
+	.owner	= THIS_MODULE
+};
+
+#define DESC_PRINT_LEN	64
+
+static ssize_t read_file_ring(struct file *file, char __user *user_buf,
+			      size_t count, loff_t *ppos,
+			      struct ag71xx *ag,
+			      struct ag71xx_ring *ring,
+			      unsigned desc_reg)
+{
+	char *buf;
+	unsigned int buflen;
+	unsigned int len = 0;
+	unsigned long flags;
+	ssize_t ret;
+	int curr;
+	int dirty;
+	u32 desc_hw;
+	int i;
+
+	buflen = (ring->size * DESC_PRINT_LEN);
+	buf = kmalloc(buflen, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	len += snprintf(buf + len, buflen - len,
+			"Idx ... %-8s %-8s %-8s %-8s . %-10s\n",
+			"desc", "next", "data", "ctrl", "timestamp");
+
+	spin_lock_irqsave(&ag->lock, flags);
+
+	curr = (ring->curr % ring->size);
+	dirty = (ring->dirty % ring->size);
+	desc_hw = ag71xx_rr(ag, desc_reg);
+	for (i = 0; i < ring->size; i++) {
+		struct ag71xx_buf *ab = &ring->buf[i];
+		u32 desc_dma = ((u32) ring->descs_dma) + i * ring->desc_size;
+
+		len += snprintf(buf + len, buflen - len,
+			"%3d %c%c%c %08x %08x %08x %08x %c %10lu\n",
+			i,
+			(i == curr) ? 'C' : ' ',
+			(i == dirty) ? 'D' : ' ',
+			(desc_hw == desc_dma) ? 'H' : ' ',
+			desc_dma,
+			ab->desc->next,
+			ab->desc->data,
+			ab->desc->ctrl,
+			(ab->desc->ctrl & DESC_EMPTY) ? 'E' : '*',
+			ab->timestamp);
+	}
+
+	spin_unlock_irqrestore(&ag->lock, flags);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return ret;
+}
+
+static ssize_t read_file_tx_ring(struct file *file, char __user *user_buf,
+				 size_t count, loff_t *ppos)
+{
+	struct ag71xx *ag = file->private_data;
+
+	return read_file_ring(file, user_buf, count, ppos, ag, &ag->tx_ring,
+			      AG71XX_REG_TX_DESC);
+}
+
+static const struct file_operations ag71xx_fops_tx_ring = {
+	.open	= ag71xx_debugfs_generic_open,
+	.read	= read_file_tx_ring,
+	.owner	= THIS_MODULE
+};
+
+static ssize_t read_file_rx_ring(struct file *file, char __user *user_buf,
+				 size_t count, loff_t *ppos)
+{
+	struct ag71xx *ag = file->private_data;
+
+	return read_file_ring(file, user_buf, count, ppos, ag, &ag->rx_ring,
+			      AG71XX_REG_RX_DESC);
+}
+
+static const struct file_operations ag71xx_fops_rx_ring = {
+	.open	= ag71xx_debugfs_generic_open,
+	.read	= read_file_rx_ring,
+	.owner	= THIS_MODULE
+};
+
+void ag71xx_debugfs_exit(struct ag71xx *ag)
+{
+	debugfs_remove_recursive(ag->debug.debugfs_dir);
+}
+
+int ag71xx_debugfs_init(struct ag71xx *ag)
+{
+	ag->debug.debugfs_dir = debugfs_create_dir(ag->dev->name,
+						   ag71xx_debugfs_root);
+	if (!ag->debug.debugfs_dir)
+		return -ENOMEM;
+
+	debugfs_create_file("int_stats", S_IRUGO, ag->debug.debugfs_dir,
+			    ag, &ag71xx_fops_int_stats);
+	debugfs_create_file("napi_stats", S_IRUGO, ag->debug.debugfs_dir,
+			    ag, &ag71xx_fops_napi_stats);
+	debugfs_create_file("tx_ring", S_IRUGO, ag->debug.debugfs_dir,
+			    ag, &ag71xx_fops_tx_ring);
+	debugfs_create_file("rx_ring", S_IRUGO, ag->debug.debugfs_dir,
+			    ag, &ag71xx_fops_rx_ring);
+
+	return 0;
+}
+
+int ag71xx_debugfs_root_init(void)
+{
+	if (ag71xx_debugfs_root)
+		return -EBUSY;
+
+	ag71xx_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
+	if (!ag71xx_debugfs_root)
+		return -ENOENT;
+
+	return 0;
+}
+
+void ag71xx_debugfs_root_exit(void)
+{
+	debugfs_remove(ag71xx_debugfs_root);
+	ag71xx_debugfs_root = NULL;
+}
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ethtool.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ethtool.c
new file mode 100644
index 0000000000..498fbed1ff
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_ethtool.c
@@ -0,0 +1,124 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include "ag71xx.h"
+
+static int ag71xx_ethtool_get_settings(struct net_device *dev,
+				       struct ethtool_cmd *cmd)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	struct phy_device *phydev = ag->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return phy_ethtool_gset(phydev, cmd);
+}
+
+static int ag71xx_ethtool_set_settings(struct net_device *dev,
+				       struct ethtool_cmd *cmd)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	struct phy_device *phydev = ag->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return phy_ethtool_sset(phydev, cmd);
+}
+
+static void ag71xx_ethtool_get_drvinfo(struct net_device *dev,
+				       struct ethtool_drvinfo *info)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+
+	strcpy(info->driver, ag->pdev->dev.driver->name);
+	strcpy(info->version, AG71XX_DRV_VERSION);
+	strcpy(info->bus_info, dev_name(&ag->pdev->dev));
+}
+
+static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+
+	return ag->msg_enable;
+}
+
+static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+
+	ag->msg_enable = msg_level;
+}
+
+static void ag71xx_ethtool_get_ringparam(struct net_device *dev,
+					 struct ethtool_ringparam *er)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+
+	er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX;
+	er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX;
+	er->rx_mini_max_pending = 0;
+	er->rx_jumbo_max_pending = 0;
+
+	er->tx_pending = ag->tx_ring.size;
+	er->rx_pending = ag->rx_ring.size;
+	er->rx_mini_pending = 0;
+	er->rx_jumbo_pending = 0;
+}
+
+static int ag71xx_ethtool_set_ringparam(struct net_device *dev,
+					struct ethtool_ringparam *er)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	unsigned tx_size;
+	unsigned rx_size;
+	int err;
+
+	if (er->rx_mini_pending != 0||
+	    er->rx_jumbo_pending != 0 ||
+	    er->rx_pending == 0 ||
+	    er->tx_pending == 0)
+		return -EINVAL;
+
+	tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ?
+		  er->tx_pending : AG71XX_TX_RING_SIZE_MAX;
+
+	rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ?
+		  er->rx_pending : AG71XX_RX_RING_SIZE_MAX;
+
+	if (netif_running(dev)) {
+		err = dev->netdev_ops->ndo_stop(dev);
+		if (err)
+			return err;
+	}
+
+	ag->tx_ring.size = tx_size;
+	ag->rx_ring.size = rx_size;
+
+	if (netif_running(dev))
+		err = dev->netdev_ops->ndo_open(dev);
+
+	return err;
+}
+
+struct ethtool_ops ag71xx_ethtool_ops = {
+	.set_settings	= ag71xx_ethtool_set_settings,
+	.get_settings	= ag71xx_ethtool_get_settings,
+	.get_drvinfo	= ag71xx_ethtool_get_drvinfo,
+	.get_msglevel	= ag71xx_ethtool_get_msglevel,
+	.set_msglevel	= ag71xx_ethtool_set_msglevel,
+	.get_ringparam	= ag71xx_ethtool_get_ringparam,
+	.set_ringparam	= ag71xx_ethtool_set_ringparam,
+	.get_link	= ethtool_op_get_link,
+};
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_main.c
new file mode 100644
index 0000000000..3ebf4b171e
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_main.c
@@ -0,0 +1,1265 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include "ag71xx.h"
+
+#define AG71XX_DEFAULT_MSG_ENABLE	\
+	(NETIF_MSG_DRV			\
+	| NETIF_MSG_PROBE		\
+	| NETIF_MSG_LINK		\
+	| NETIF_MSG_TIMER		\
+	| NETIF_MSG_IFDOWN		\
+	| NETIF_MSG_IFUP		\
+	| NETIF_MSG_RX_ERR		\
+	| NETIF_MSG_TX_ERR)
+
+static int ag71xx_msg_level = -1;
+
+module_param_named(msg_level, ag71xx_msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
+
+static void ag71xx_dump_dma_regs(struct ag71xx *ag)
+{
+	DBG("%s: dma_tx_ctrl=%08x, dma_tx_desc=%08x, dma_tx_status=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_TX_CTRL),
+		ag71xx_rr(ag, AG71XX_REG_TX_DESC),
+		ag71xx_rr(ag, AG71XX_REG_TX_STATUS));
+
+	DBG("%s: dma_rx_ctrl=%08x, dma_rx_desc=%08x, dma_rx_status=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_RX_CTRL),
+		ag71xx_rr(ag, AG71XX_REG_RX_DESC),
+		ag71xx_rr(ag, AG71XX_REG_RX_STATUS));
+}
+
+static void ag71xx_dump_regs(struct ag71xx *ag)
+{
+	DBG("%s: mac_cfg1=%08x, mac_cfg2=%08x, ipg=%08x, hdx=%08x, mfl=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_MAC_CFG1),
+		ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
+		ag71xx_rr(ag, AG71XX_REG_MAC_IPG),
+		ag71xx_rr(ag, AG71XX_REG_MAC_HDX),
+		ag71xx_rr(ag, AG71XX_REG_MAC_MFL));
+	DBG("%s: mac_ifctl=%08x, mac_addr1=%08x, mac_addr2=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
+		ag71xx_rr(ag, AG71XX_REG_MAC_ADDR1),
+		ag71xx_rr(ag, AG71XX_REG_MAC_ADDR2));
+	DBG("%s: fifo_cfg0=%08x, fifo_cfg1=%08x, fifo_cfg2=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2));
+	DBG("%s: fifo_cfg3=%08x, fifo_cfg4=%08x, fifo_cfg5=%08x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
+}
+
+static inline void ag71xx_dump_intr(struct ag71xx *ag, char *label, u32 intr)
+{
+	DBG("%s: %s intr=%08x %s%s%s%s%s%s\n",
+		ag->dev->name, label, intr,
+		(intr & AG71XX_INT_TX_PS) ? "TXPS " : "",
+		(intr & AG71XX_INT_TX_UR) ? "TXUR " : "",
+		(intr & AG71XX_INT_TX_BE) ? "TXBE " : "",
+		(intr & AG71XX_INT_RX_PR) ? "RXPR " : "",
+		(intr & AG71XX_INT_RX_OF) ? "RXOF " : "",
+		(intr & AG71XX_INT_RX_BE) ? "RXBE " : "");
+}
+
+static void ag71xx_ring_free(struct ag71xx_ring *ring)
+{
+	kfree(ring->buf);
+
+	if (ring->descs_cpu)
+		dma_free_coherent(NULL, ring->size * ring->desc_size,
+				  ring->descs_cpu, ring->descs_dma);
+}
+
+static int ag71xx_ring_alloc(struct ag71xx_ring *ring)
+{
+	int err;
+	int i;
+
+	ring->desc_size = sizeof(struct ag71xx_desc);
+	if (ring->desc_size % cache_line_size()) {
+		DBG("ag71xx: ring %p, desc size %u rounded to %u\n",
+			ring, ring->desc_size,
+			roundup(ring->desc_size, cache_line_size()));
+		ring->desc_size = roundup(ring->desc_size, cache_line_size());
+	}
+
+	ring->descs_cpu = dma_alloc_coherent(NULL, ring->size * ring->desc_size,
+					     &ring->descs_dma, GFP_ATOMIC);
+	if (!ring->descs_cpu) {
+		err = -ENOMEM;
+		goto err;
+	}
+
+
+	ring->buf = kzalloc(ring->size * sizeof(*ring->buf), GFP_KERNEL);
+	if (!ring->buf) {
+		err = -ENOMEM;
+		goto err;
+	}
+
+	for (i = 0; i < ring->size; i++) {
+		int idx = i * ring->desc_size;
+		ring->buf[i].desc = (struct ag71xx_desc *)&ring->descs_cpu[idx];
+		DBG("ag71xx: ring %p, desc %d at %p\n",
+			ring, i, ring->buf[i].desc);
+	}
+
+	return 0;
+
+err:
+	return err;
+}
+
+static void ag71xx_ring_tx_clean(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->tx_ring;
+	struct net_device *dev = ag->dev;
+
+	while (ring->curr != ring->dirty) {
+		u32 i = ring->dirty % ring->size;
+
+		if (!ag71xx_desc_empty(ring->buf[i].desc)) {
+			ring->buf[i].desc->ctrl = 0;
+			dev->stats.tx_errors++;
+		}
+
+		if (ring->buf[i].skb)
+			dev_kfree_skb_any(ring->buf[i].skb);
+
+		ring->buf[i].skb = NULL;
+
+		ring->dirty++;
+	}
+
+	/* flush descriptors */
+	wmb();
+
+}
+
+static void ag71xx_ring_tx_init(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->tx_ring;
+	int i;
+
+	for (i = 0; i < ring->size; i++) {
+		ring->buf[i].desc->next = (u32) (ring->descs_dma +
+			ring->desc_size * ((i + 1) % ring->size));
+
+		ring->buf[i].desc->ctrl = DESC_EMPTY;
+		ring->buf[i].skb = NULL;
+	}
+
+	/* flush descriptors */
+	wmb();
+
+	ring->curr = 0;
+	ring->dirty = 0;
+}
+
+static void ag71xx_ring_rx_clean(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->rx_ring;
+	int i;
+
+	if (!ring->buf)
+		return;
+
+	for (i = 0; i < ring->size; i++)
+		if (ring->buf[i].skb) {
+			dma_unmap_single(&ag->dev->dev, ring->buf[i].dma_addr,
+					 AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE);
+			kfree_skb(ring->buf[i].skb);
+		}
+}
+
+static int ag71xx_rx_reserve(struct ag71xx *ag)
+{
+	int reserve = 0;
+
+	if (ag71xx_get_pdata(ag)->is_ar724x) {
+		if (!ag71xx_has_ar8216(ag))
+			reserve = 2;
+
+		if (ag->phy_dev)
+			reserve += 4 - (ag->phy_dev->pkt_align % 4);
+
+		reserve %= 4;
+	}
+
+	return reserve + AG71XX_RX_PKT_RESERVE;
+}
+
+
+static int ag71xx_ring_rx_init(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->rx_ring;
+	unsigned int reserve = ag71xx_rx_reserve(ag);
+	unsigned int i;
+	int ret;
+
+	ret = 0;
+	for (i = 0; i < ring->size; i++) {
+		ring->buf[i].desc->next = (u32) (ring->descs_dma +
+			ring->desc_size * ((i + 1) % ring->size));
+
+		DBG("ag71xx: RX desc at %p, next is %08x\n",
+			ring->buf[i].desc,
+			ring->buf[i].desc->next);
+	}
+
+	for (i = 0; i < ring->size; i++) {
+		struct sk_buff *skb;
+		dma_addr_t dma_addr;
+
+		skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+		if (!skb) {
+			ret = -ENOMEM;
+			break;
+		}
+
+		skb->dev = ag->dev;
+		skb_reserve(skb, reserve);
+
+		dma_addr = dma_map_single(&ag->dev->dev, skb->data,
+					  AG71XX_RX_PKT_SIZE,
+					  DMA_FROM_DEVICE);
+		ring->buf[i].skb = skb;
+		ring->buf[i].dma_addr = dma_addr;
+		ring->buf[i].desc->data = (u32) dma_addr;
+		ring->buf[i].desc->ctrl = DESC_EMPTY;
+	}
+
+	/* flush descriptors */
+	wmb();
+
+	ring->curr = 0;
+	ring->dirty = 0;
+
+	return ret;
+}
+
+static int ag71xx_ring_rx_refill(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->rx_ring;
+	unsigned int reserve = ag71xx_rx_reserve(ag);
+	unsigned int count;
+
+	count = 0;
+	for (; ring->curr - ring->dirty > 0; ring->dirty++) {
+		unsigned int i;
+
+		i = ring->dirty % ring->size;
+
+		if (ring->buf[i].skb == NULL) {
+			dma_addr_t dma_addr;
+			struct sk_buff *skb;
+
+			skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+			if (skb == NULL)
+				break;
+
+			skb_reserve(skb, reserve);
+			skb->dev = ag->dev;
+
+			dma_addr = dma_map_single(&ag->dev->dev, skb->data,
+						  AG71XX_RX_PKT_SIZE,
+						  DMA_FROM_DEVICE);
+
+			ring->buf[i].skb = skb;
+			ring->buf[i].dma_addr = dma_addr;
+			ring->buf[i].desc->data = (u32) dma_addr;
+		}
+
+		ring->buf[i].desc->ctrl = DESC_EMPTY;
+		count++;
+	}
+
+	/* flush descriptors */
+	wmb();
+
+	DBG("%s: %u rx descriptors refilled\n", ag->dev->name, count);
+
+	return count;
+}
+
+static int ag71xx_rings_init(struct ag71xx *ag)
+{
+	int ret;
+
+	ret = ag71xx_ring_alloc(&ag->tx_ring);
+	if (ret)
+		return ret;
+
+	ag71xx_ring_tx_init(ag);
+
+	ret = ag71xx_ring_alloc(&ag->rx_ring);
+	if (ret)
+		return ret;
+
+	ret = ag71xx_ring_rx_init(ag);
+	return ret;
+}
+
+static void ag71xx_rings_cleanup(struct ag71xx *ag)
+{
+	ag71xx_ring_rx_clean(ag);
+	ag71xx_ring_free(&ag->rx_ring);
+
+	ag71xx_ring_tx_clean(ag);
+	ag71xx_ring_free(&ag->tx_ring);
+}
+
+static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
+{
+	switch (ag->speed) {
+	case SPEED_1000:
+		return "1000";
+	case SPEED_100:
+		return "100";
+	case SPEED_10:
+		return "10";
+	}
+
+	return "?";
+}
+
+static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
+{
+	u32 t;
+
+	t = (((u32) mac[5]) << 24) | (((u32) mac[4]) << 16)
+	  | (((u32) mac[3]) << 8) | ((u32) mac[2]);
+
+	ag71xx_wr(ag, AG71XX_REG_MAC_ADDR1, t);
+
+	t = (((u32) mac[1]) << 24) | (((u32) mac[0]) << 16);
+	ag71xx_wr(ag, AG71XX_REG_MAC_ADDR2, t);
+}
+
+static void ag71xx_dma_reset(struct ag71xx *ag)
+{
+	u32 val;
+	int i;
+
+	ag71xx_dump_dma_regs(ag);
+
+	/* stop RX and TX */
+	ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
+	ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
+
+	/*
+	 * give the hardware some time to really stop all rx/tx activity
+	 * clearing the descriptors too early causes random memory corruption
+	 */
+	mdelay(1);
+
+	/* clear descriptor addresses */
+	ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->stop_desc_dma);
+	ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->stop_desc_dma);
+
+	/* clear pending RX/TX interrupts */
+	for (i = 0; i < 256; i++) {
+		ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
+		ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
+	}
+
+	/* clear pending errors */
+	ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF);
+	ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR);
+
+	val = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
+	if (val)
+		printk(KERN_ALERT "%s: unable to clear DMA Rx status: %08x\n",
+			ag->dev->name, val);
+
+	val = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
+
+	/* mask out reserved bits */
+	val &= ~0xff000000;
+
+	if (val)
+		printk(KERN_ALERT "%s: unable to clear DMA Tx status: %08x\n",
+			ag->dev->name, val);
+
+	ag71xx_dump_dma_regs(ag);
+}
+
+#define MAC_CFG1_INIT	(MAC_CFG1_RXE | MAC_CFG1_TXE | \
+			 MAC_CFG1_SRX | MAC_CFG1_STX)
+
+#define FIFO_CFG0_INIT	(FIFO_CFG0_ALL << FIFO_CFG0_ENABLE_SHIFT)
+
+#define FIFO_CFG4_INIT	(FIFO_CFG4_DE | FIFO_CFG4_DV | FIFO_CFG4_FC | \
+			 FIFO_CFG4_CE | FIFO_CFG4_CR | FIFO_CFG4_LM | \
+			 FIFO_CFG4_LO | FIFO_CFG4_OK | FIFO_CFG4_MC | \
+			 FIFO_CFG4_BC | FIFO_CFG4_DR | FIFO_CFG4_LE | \
+			 FIFO_CFG4_CF | FIFO_CFG4_PF | FIFO_CFG4_UO | \
+			 FIFO_CFG4_VT)
+
+#define FIFO_CFG5_INIT	(FIFO_CFG5_DE | FIFO_CFG5_DV | FIFO_CFG5_FC | \
+			 FIFO_CFG5_CE | FIFO_CFG5_LO | FIFO_CFG5_OK | \
+			 FIFO_CFG5_MC | FIFO_CFG5_BC | FIFO_CFG5_DR | \
+			 FIFO_CFG5_CF | FIFO_CFG5_PF | FIFO_CFG5_VT | \
+			 FIFO_CFG5_LE | FIFO_CFG5_FT | FIFO_CFG5_16 | \
+			 FIFO_CFG5_17 | FIFO_CFG5_SF)
+
+static void ag71xx_hw_stop(struct ag71xx *ag)
+{
+	/* disable all interrupts and stop the rx/tx engine */
+	ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, 0);
+	ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
+	ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
+}
+
+static void ag71xx_hw_setup(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+	/* setup MAC configuration registers */
+	ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_INIT);
+
+	ag71xx_sb(ag, AG71XX_REG_MAC_CFG2,
+		  MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK);
+
+	/* setup max frame length */
+	ag71xx_wr(ag, AG71XX_REG_MAC_MFL, AG71XX_TX_MTU_LEN);
+
+	/* setup FIFO configuration registers */
+	ag71xx_wr(ag, AG71XX_REG_FIFO_CFG0, FIFO_CFG0_INIT);
+	if (pdata->is_ar724x) {
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, pdata->fifo_cfg1);
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, pdata->fifo_cfg2);
+	} else {
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, 0x0fff0000);
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, 0x00001fff);
+	}
+	ag71xx_wr(ag, AG71XX_REG_FIFO_CFG4, FIFO_CFG4_INIT);
+	ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, FIFO_CFG5_INIT);
+}
+
+static void ag71xx_hw_init(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	u32 reset_mask = pdata->reset_bit;
+
+	ag71xx_hw_stop(ag);
+
+	if (pdata->is_ar724x) {
+		u32 reset_phy = reset_mask;
+
+		reset_phy &= RESET_MODULE_GE0_PHY | RESET_MODULE_GE1_PHY;
+		reset_mask &= ~(RESET_MODULE_GE0_PHY | RESET_MODULE_GE1_PHY);
+
+		ar71xx_device_stop(reset_phy);
+		mdelay(50);
+		ar71xx_device_start(reset_phy);
+		mdelay(200);
+	}
+
+	ag71xx_sb(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_SR);
+	udelay(20);
+
+	ar71xx_device_stop(reset_mask);
+	mdelay(100);
+	ar71xx_device_start(reset_mask);
+	mdelay(200);
+
+	ag71xx_hw_setup(ag);
+
+	ag71xx_dma_reset(ag);
+}
+
+static void ag71xx_fast_reset(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	struct net_device *dev = ag->dev;
+	u32 reset_mask = pdata->reset_bit;
+	u32 rx_ds, tx_ds;
+	u32 mii_reg;
+
+	reset_mask &= RESET_MODULE_GE0_MAC | RESET_MODULE_GE1_MAC;
+
+	mii_reg = ag71xx_rr(ag, AG71XX_REG_MII_CFG);
+	rx_ds = ag71xx_rr(ag, AG71XX_REG_RX_DESC);
+	tx_ds = ag71xx_rr(ag, AG71XX_REG_TX_DESC);
+
+	ar71xx_device_stop(reset_mask);
+	udelay(10);
+	ar71xx_device_start(reset_mask);
+	udelay(10);
+
+	ag71xx_dma_reset(ag);
+	ag71xx_hw_setup(ag);
+
+	ag71xx_wr(ag, AG71XX_REG_RX_DESC, rx_ds);
+	ag71xx_wr(ag, AG71XX_REG_TX_DESC, tx_ds);
+	ag71xx_wr(ag, AG71XX_REG_MII_CFG, mii_reg);
+
+	ag71xx_hw_set_macaddr(ag, dev->dev_addr);
+}
+
+static void ag71xx_hw_start(struct ag71xx *ag)
+{
+	/* start RX engine */
+	ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
+
+	/* enable interrupts */
+	ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, AG71XX_INT_INIT);
+}
+
+void ag71xx_link_adjust(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	u32 cfg2;
+	u32 ifctl;
+	u32 fifo5;
+
+	if (!ag->link) {
+		ag71xx_hw_stop(ag);
+		netif_carrier_off(ag->dev);
+		if (netif_msg_link(ag))
+			printk(KERN_INFO "%s: link down\n", ag->dev->name);
+		return;
+	}
+
+	if (pdata->is_ar724x)
+		ag71xx_fast_reset(ag);
+
+	cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
+	cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
+	cfg2 |= (ag->duplex) ? MAC_CFG2_FDX : 0;
+
+	ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
+	ifctl &= ~(MAC_IFCTL_SPEED);
+
+	fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
+	fifo5 &= ~FIFO_CFG5_BM;
+
+	switch (ag->speed) {
+	case SPEED_1000:
+		cfg2 |= MAC_CFG2_IF_1000;
+		fifo5 |= FIFO_CFG5_BM;
+		break;
+	case SPEED_100:
+		cfg2 |= MAC_CFG2_IF_10_100;
+		ifctl |= MAC_IFCTL_SPEED;
+		break;
+	case SPEED_10:
+		cfg2 |= MAC_CFG2_IF_10_100;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	if (pdata->is_ar91xx)
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x00780fff);
+	else if (pdata->is_ar724x)
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, pdata->fifo_cfg3);
+	else
+		ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
+
+	if (pdata->set_speed)
+		pdata->set_speed(ag->speed);
+
+	ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
+	ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
+	ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
+	ag71xx_hw_start(ag);
+
+	netif_carrier_on(ag->dev);
+	if (netif_msg_link(ag))
+		printk(KERN_INFO "%s: link up (%sMbps/%s duplex)\n",
+			ag->dev->name,
+			ag71xx_speed_str(ag),
+			(DUPLEX_FULL == ag->duplex) ? "Full" : "Half");
+
+	DBG("%s: fifo_cfg0=%#x, fifo_cfg1=%#x, fifo_cfg2=%#x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG0),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG1),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG2));
+
+	DBG("%s: fifo_cfg3=%#x, fifo_cfg4=%#x, fifo_cfg5=%#x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG3),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG4),
+		ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
+
+	DBG("%s: mac_cfg2=%#x, mac_ifctl=%#x, mii_ctrl=%#x\n",
+		ag->dev->name,
+		ag71xx_rr(ag, AG71XX_REG_MAC_CFG2),
+		ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL),
+		ag71xx_mii_ctrl_rr(ag));
+}
+
+static int ag71xx_open(struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	int ret;
+
+	ret = ag71xx_rings_init(ag);
+	if (ret)
+		goto err;
+
+	napi_enable(&ag->napi);
+
+	netif_carrier_off(dev);
+	ag71xx_phy_start(ag);
+
+	ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->tx_ring.descs_dma);
+	ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->rx_ring.descs_dma);
+
+	ag71xx_hw_set_macaddr(ag, dev->dev_addr);
+
+	netif_start_queue(dev);
+
+	return 0;
+
+err:
+	ag71xx_rings_cleanup(ag);
+	return ret;
+}
+
+static int ag71xx_stop(struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	unsigned long flags;
+
+	netif_carrier_off(dev);
+	ag71xx_phy_stop(ag);
+
+	spin_lock_irqsave(&ag->lock, flags);
+
+	netif_stop_queue(dev);
+
+	ag71xx_hw_stop(ag);
+	ag71xx_dma_reset(ag);
+
+	napi_disable(&ag->napi);
+	del_timer_sync(&ag->oom_timer);
+
+	spin_unlock_irqrestore(&ag->lock, flags);
+
+	ag71xx_rings_cleanup(ag);
+
+	return 0;
+}
+
+static netdev_tx_t ag71xx_hard_start_xmit(struct sk_buff *skb,
+					  struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	struct ag71xx_ring *ring = &ag->tx_ring;
+	struct ag71xx_desc *desc;
+	dma_addr_t dma_addr;
+	int i;
+
+	i = ring->curr % ring->size;
+	desc = ring->buf[i].desc;
+
+	if (!ag71xx_desc_empty(desc))
+		goto err_drop;
+
+	if (ag71xx_has_ar8216(ag))
+		ag71xx_add_ar8216_header(ag, skb);
+
+	if (skb->len <= 0) {
+		DBG("%s: packet len is too small\n", ag->dev->name);
+		goto err_drop;
+	}
+
+	dma_addr = dma_map_single(&dev->dev, skb->data, skb->len,
+				  DMA_TO_DEVICE);
+
+	ring->buf[i].skb = skb;
+	ring->buf[i].timestamp = jiffies;
+
+	/* setup descriptor fields */
+	desc->data = (u32) dma_addr;
+	desc->ctrl = (skb->len & DESC_PKTLEN_M);
+
+	/* flush descriptor */
+	wmb();
+
+	ring->curr++;
+	if (ring->curr == (ring->dirty + ring->size)) {
+		DBG("%s: tx queue full\n", ag->dev->name);
+		netif_stop_queue(dev);
+	}
+
+	DBG("%s: packet injected into TX queue\n", ag->dev->name);
+
+	/* enable TX engine */
+	ag71xx_wr(ag, AG71XX_REG_TX_CTRL, TX_CTRL_TXE);
+
+	return NETDEV_TX_OK;
+
+err_drop:
+	dev->stats.tx_dropped++;
+
+	dev_kfree_skb(skb);
+	return NETDEV_TX_OK;
+}
+
+static int ag71xx_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	int ret;
+
+	switch (cmd) {
+	case SIOCETHTOOL:
+		if (ag->phy_dev == NULL)
+			break;
+
+		spin_lock_irq(&ag->lock);
+		ret = phy_ethtool_ioctl(ag->phy_dev, (void *) ifr->ifr_data);
+		spin_unlock_irq(&ag->lock);
+		return ret;
+
+	case SIOCSIFHWADDR:
+		if (copy_from_user
+			(dev->dev_addr, ifr->ifr_data, sizeof(dev->dev_addr)))
+			return -EFAULT;
+		return 0;
+
+	case SIOCGIFHWADDR:
+		if (copy_to_user
+			(ifr->ifr_data, dev->dev_addr, sizeof(dev->dev_addr)))
+			return -EFAULT;
+		return 0;
+
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
+		if (ag->phy_dev == NULL)
+			break;
+
+		return phy_mii_ioctl(ag->phy_dev, ifr, cmd);
+
+	default:
+		break;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static void ag71xx_oom_timer_handler(unsigned long data)
+{
+	struct net_device *dev = (struct net_device *) data;
+	struct ag71xx *ag = netdev_priv(dev);
+
+	napi_schedule(&ag->napi);
+}
+
+static void ag71xx_tx_timeout(struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+
+	if (netif_msg_tx_err(ag))
+		printk(KERN_DEBUG "%s: tx timeout\n", ag->dev->name);
+
+	schedule_work(&ag->restart_work);
+}
+
+static void ag71xx_restart_work_func(struct work_struct *work)
+{
+	struct ag71xx *ag = container_of(work, struct ag71xx, restart_work);
+
+	if (ag71xx_get_pdata(ag)->is_ar724x) {
+		ag->link = 0;
+		ag71xx_link_adjust(ag);
+		return;
+	}
+
+	ag71xx_stop(ag->dev);
+	ag71xx_open(ag->dev);
+}
+
+static bool ag71xx_check_dma_stuck(struct ag71xx *ag, unsigned long timestamp)
+{
+	u32 rx_sm, tx_sm, rx_fd;
+
+	if (likely(time_before(jiffies, timestamp + HZ/10)))
+		return false;
+
+	if (!netif_carrier_ok(ag->dev))
+		return false;
+
+	rx_sm = ag71xx_rr(ag, AG71XX_REG_RX_SM);
+	if ((rx_sm & 0x7) == 0x3 && ((rx_sm >> 4) & 0x7) == 0x6)
+		return true;
+
+	tx_sm = ag71xx_rr(ag, AG71XX_REG_TX_SM);
+	rx_fd = ag71xx_rr(ag, AG71XX_REG_FIFO_DEPTH);
+	if (((tx_sm >> 4) & 0x7) == 0 && ((rx_sm & 0x7) == 0) &&
+	    ((rx_sm >> 4) & 0x7) == 0 && rx_fd == 0)
+		return true;
+
+	return false;
+}
+
+static int ag71xx_tx_packets(struct ag71xx *ag)
+{
+	struct ag71xx_ring *ring = &ag->tx_ring;
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	int sent;
+
+	DBG("%s: processing TX ring\n", ag->dev->name);
+
+	sent = 0;
+	while (ring->dirty != ring->curr) {
+		unsigned int i = ring->dirty % ring->size;
+		struct ag71xx_desc *desc = ring->buf[i].desc;
+		struct sk_buff *skb = ring->buf[i].skb;
+
+		if (!ag71xx_desc_empty(desc)) {
+			if (pdata->is_ar7240 &&
+			    ag71xx_check_dma_stuck(ag, ring->buf[i].timestamp))
+				schedule_work(&ag->restart_work);
+			break;
+		}
+
+		ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
+
+		ag->dev->stats.tx_bytes += skb->len;
+		ag->dev->stats.tx_packets++;
+
+		dev_kfree_skb_any(skb);
+		ring->buf[i].skb = NULL;
+
+		ring->dirty++;
+		sent++;
+	}
+
+	DBG("%s: %d packets sent out\n", ag->dev->name, sent);
+
+	if ((ring->curr - ring->dirty) < (ring->size * 3) / 4)
+		netif_wake_queue(ag->dev);
+
+	return sent;
+}
+
+static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
+{
+	struct net_device *dev = ag->dev;
+	struct ag71xx_ring *ring = &ag->rx_ring;
+	int done = 0;
+
+	DBG("%s: rx packets, limit=%d, curr=%u, dirty=%u\n",
+			dev->name, limit, ring->curr, ring->dirty);
+
+	while (done < limit) {
+		unsigned int i = ring->curr % ring->size;
+		struct ag71xx_desc *desc = ring->buf[i].desc;
+		struct sk_buff *skb;
+		int pktlen;
+		int err = 0;
+
+		if (ag71xx_desc_empty(desc))
+			break;
+
+		if ((ring->dirty + ring->size) == ring->curr) {
+			ag71xx_assert(0);
+			break;
+		}
+
+		ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
+
+		skb = ring->buf[i].skb;
+		pktlen = ag71xx_desc_pktlen(desc);
+		pktlen -= ETH_FCS_LEN;
+
+		dma_unmap_single(&dev->dev, ring->buf[i].dma_addr,
+				 AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE);
+
+		dev->last_rx = jiffies;
+		dev->stats.rx_packets++;
+		dev->stats.rx_bytes += pktlen;
+
+		skb_put(skb, pktlen);
+		if (ag71xx_has_ar8216(ag))
+			err = ag71xx_remove_ar8216_header(ag, skb, pktlen);
+
+		if (err) {
+			dev->stats.rx_dropped++;
+			kfree_skb(skb);
+		} else {
+			skb->dev = dev;
+			skb->ip_summed = CHECKSUM_NONE;
+			if (ag->phy_dev) {
+				ag->phy_dev->netif_receive_skb(skb);
+			} else {
+				skb->protocol = eth_type_trans(skb, dev);
+				netif_receive_skb(skb);
+			}
+		}
+
+		ring->buf[i].skb = NULL;
+		done++;
+
+		ring->curr++;
+	}
+
+	ag71xx_ring_rx_refill(ag);
+
+	DBG("%s: rx finish, curr=%u, dirty=%u, done=%d\n",
+		dev->name, ring->curr, ring->dirty, done);
+
+	return done;
+}
+
+static int ag71xx_poll(struct napi_struct *napi, int limit)
+{
+	struct ag71xx *ag = container_of(napi, struct ag71xx, napi);
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	struct net_device *dev = ag->dev;
+	struct ag71xx_ring *rx_ring;
+	unsigned long flags;
+	u32 status;
+	int tx_done;
+	int rx_done;
+
+	pdata->ddr_flush();
+	tx_done = ag71xx_tx_packets(ag);
+
+	DBG("%s: processing RX ring\n", dev->name);
+	rx_done = ag71xx_rx_packets(ag, limit);
+
+	ag71xx_debugfs_update_napi_stats(ag, rx_done, tx_done);
+
+	rx_ring = &ag->rx_ring;
+	if (rx_ring->buf[rx_ring->dirty % rx_ring->size].skb == NULL)
+		goto oom;
+
+	status = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
+	if (unlikely(status & RX_STATUS_OF)) {
+		ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_OF);
+		dev->stats.rx_fifo_errors++;
+
+		/* restart RX */
+		ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
+	}
+
+	if (rx_done < limit) {
+		if (status & RX_STATUS_PR)
+			goto more;
+
+		status = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
+		if (status & TX_STATUS_PS)
+			goto more;
+
+		DBG("%s: disable polling mode, rx=%d, tx=%d,limit=%d\n",
+			dev->name, rx_done, tx_done, limit);
+
+		napi_complete(napi);
+
+		/* enable interrupts */
+		spin_lock_irqsave(&ag->lock, flags);
+		ag71xx_int_enable(ag, AG71XX_INT_POLL);
+		spin_unlock_irqrestore(&ag->lock, flags);
+		return rx_done;
+	}
+
+more:
+	DBG("%s: stay in polling mode, rx=%d, tx=%d, limit=%d\n",
+			dev->name, rx_done, tx_done, limit);
+	return rx_done;
+
+oom:
+	if (netif_msg_rx_err(ag))
+		printk(KERN_DEBUG "%s: out of memory\n", dev->name);
+
+	mod_timer(&ag->oom_timer, jiffies + AG71XX_OOM_REFILL);
+	napi_complete(napi);
+	return 0;
+}
+
+static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = dev_id;
+	struct ag71xx *ag = netdev_priv(dev);
+	u32 status;
+
+	status = ag71xx_rr(ag, AG71XX_REG_INT_STATUS);
+	ag71xx_dump_intr(ag, "raw", status);
+
+	if (unlikely(!status))
+		return IRQ_NONE;
+
+	if (unlikely(status & AG71XX_INT_ERR)) {
+		if (status & AG71XX_INT_TX_BE) {
+			ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE);
+			dev_err(&dev->dev, "TX BUS error\n");
+		}
+		if (status & AG71XX_INT_RX_BE) {
+			ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE);
+			dev_err(&dev->dev, "RX BUS error\n");
+		}
+	}
+
+	if (likely(status & AG71XX_INT_POLL)) {
+		ag71xx_int_disable(ag, AG71XX_INT_POLL);
+		DBG("%s: enable polling mode\n", dev->name);
+		napi_schedule(&ag->napi);
+	}
+
+	ag71xx_debugfs_update_int_stats(ag, status);
+
+	return IRQ_HANDLED;
+}
+
+static void ag71xx_set_multicast_list(struct net_device *dev)
+{
+	/* TODO */
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void ag71xx_netpoll(struct net_device *dev)
+{
+	disable_irq(dev->irq);
+	ag71xx_interrupt(dev->irq, dev);
+	enable_irq(dev->irq);
+}
+#endif
+
+static const struct net_device_ops ag71xx_netdev_ops = {
+	.ndo_open		= ag71xx_open,
+	.ndo_stop		= ag71xx_stop,
+	.ndo_start_xmit		= ag71xx_hard_start_xmit,
+	.ndo_set_multicast_list	= ag71xx_set_multicast_list,
+	.ndo_do_ioctl		= ag71xx_do_ioctl,
+	.ndo_tx_timeout		= ag71xx_tx_timeout,
+	.ndo_change_mtu		= eth_change_mtu,
+	.ndo_set_mac_address	= eth_mac_addr,
+	.ndo_validate_addr	= eth_validate_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= ag71xx_netpoll,
+#endif
+};
+
+static int __devinit ag71xx_probe(struct platform_device *pdev)
+{
+	struct net_device *dev;
+	struct resource *res;
+	struct ag71xx *ag;
+	struct ag71xx_platform_data *pdata;
+	int err;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data specified\n");
+		err = -ENXIO;
+		goto err_out;
+	}
+
+	if (pdata->mii_bus_dev == NULL) {
+		dev_err(&pdev->dev, "no MII bus device specified\n");
+		err = -EINVAL;
+		goto err_out;
+	}
+
+	dev = alloc_etherdev(sizeof(*ag));
+	if (!dev) {
+		dev_err(&pdev->dev, "alloc_etherdev failed\n");
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	ag = netdev_priv(dev);
+	ag->pdev = pdev;
+	ag->dev = dev;
+	ag->msg_enable = netif_msg_init(ag71xx_msg_level,
+					AG71XX_DEFAULT_MSG_ENABLE);
+	spin_lock_init(&ag->lock);
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac_base");
+	if (!res) {
+		dev_err(&pdev->dev, "no mac_base resource found\n");
+		err = -ENXIO;
+		goto err_out;
+	}
+
+	ag->mac_base = ioremap_nocache(res->start, res->end - res->start + 1);
+	if (!ag->mac_base) {
+		dev_err(&pdev->dev, "unable to ioremap mac_base\n");
+		err = -ENOMEM;
+		goto err_free_dev;
+	}
+
+	dev->irq = platform_get_irq(pdev, 0);
+	err = request_irq(dev->irq, ag71xx_interrupt,
+			  IRQF_DISABLED,
+			  dev->name, dev);
+	if (err) {
+		dev_err(&pdev->dev, "unable to request IRQ %d\n", dev->irq);
+		goto err_unmap_base;
+	}
+
+	dev->base_addr = (unsigned long)ag->mac_base;
+	dev->netdev_ops = &ag71xx_netdev_ops;
+	dev->ethtool_ops = &ag71xx_ethtool_ops;
+
+	INIT_WORK(&ag->restart_work, ag71xx_restart_work_func);
+
+	init_timer(&ag->oom_timer);
+	ag->oom_timer.data = (unsigned long) dev;
+	ag->oom_timer.function = ag71xx_oom_timer_handler;
+
+	ag->tx_ring.size = AG71XX_TX_RING_SIZE_DEFAULT;
+	ag->rx_ring.size = AG71XX_RX_RING_SIZE_DEFAULT;
+
+	ag->stop_desc = dma_alloc_coherent(NULL,
+		sizeof(struct ag71xx_desc), &ag->stop_desc_dma, GFP_KERNEL);
+
+	if (!ag->stop_desc)
+		goto err_free_irq;
+
+	ag->stop_desc->data = 0;
+	ag->stop_desc->ctrl = 0;
+	ag->stop_desc->next = (u32) ag->stop_desc_dma;
+
+	memcpy(dev->dev_addr, pdata->mac_addr, ETH_ALEN);
+
+	netif_napi_add(dev, &ag->napi, ag71xx_poll, AG71XX_NAPI_WEIGHT);
+
+	err = register_netdev(dev);
+	if (err) {
+		dev_err(&pdev->dev, "unable to register net device\n");
+		goto err_free_desc;
+	}
+
+	printk(KERN_INFO "%s: Atheros AG71xx at 0x%08lx, irq %d\n",
+	       dev->name, dev->base_addr, dev->irq);
+
+	ag71xx_dump_regs(ag);
+
+	ag71xx_hw_init(ag);
+
+	ag71xx_dump_regs(ag);
+
+	err = ag71xx_phy_connect(ag);
+	if (err)
+		goto err_unregister_netdev;
+
+	err = ag71xx_debugfs_init(ag);
+	if (err)
+		goto err_phy_disconnect;
+
+	platform_set_drvdata(pdev, dev);
+
+	return 0;
+
+err_phy_disconnect:
+	ag71xx_phy_disconnect(ag);
+err_unregister_netdev:
+	unregister_netdev(dev);
+err_free_desc:
+	dma_free_coherent(NULL, sizeof(struct ag71xx_desc), ag->stop_desc,
+			  ag->stop_desc_dma);
+err_free_irq:
+	free_irq(dev->irq, dev);
+err_unmap_base:
+	iounmap(ag->mac_base);
+err_free_dev:
+	kfree(dev);
+err_out:
+	platform_set_drvdata(pdev, NULL);
+	return err;
+}
+
+static int __devexit ag71xx_remove(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	if (dev) {
+		struct ag71xx *ag = netdev_priv(dev);
+
+		ag71xx_debugfs_exit(ag);
+		ag71xx_phy_disconnect(ag);
+		unregister_netdev(dev);
+		free_irq(dev->irq, dev);
+		iounmap(ag->mac_base);
+		kfree(dev);
+		platform_set_drvdata(pdev, NULL);
+	}
+
+	return 0;
+}
+
+static struct platform_driver ag71xx_driver = {
+	.probe		= ag71xx_probe,
+	.remove		= __exit_p(ag71xx_remove),
+	.driver = {
+		.name	= AG71XX_DRV_NAME,
+	}
+};
+
+static int __init ag71xx_module_init(void)
+{
+	int ret;
+
+	ret = ag71xx_debugfs_root_init();
+	if (ret)
+		goto err_out;
+
+	ret = ag71xx_mdio_driver_init();
+	if (ret)
+		goto err_debugfs_exit;
+
+	ret = platform_driver_register(&ag71xx_driver);
+	if (ret)
+		goto err_mdio_exit;
+
+	return 0;
+
+err_mdio_exit:
+	ag71xx_mdio_driver_exit();
+err_debugfs_exit:
+	ag71xx_debugfs_root_exit();
+err_out:
+	return ret;
+}
+
+static void __exit ag71xx_module_exit(void)
+{
+	platform_driver_unregister(&ag71xx_driver);
+	ag71xx_mdio_driver_exit();
+	ag71xx_debugfs_root_exit();
+}
+
+module_init(ag71xx_module_init);
+module_exit(ag71xx_module_exit);
+
+MODULE_VERSION(AG71XX_DRV_VERSION);
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" AG71XX_DRV_NAME);
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_mdio.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_mdio.c
new file mode 100644
index 0000000000..b2460d726e
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_mdio.c
@@ -0,0 +1,248 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include "ag71xx.h"
+
+#define AG71XX_MDIO_RETRY	1000
+#define AG71XX_MDIO_DELAY	5
+
+static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
+				  u32 value)
+{
+	void __iomem *r;
+
+	r = am->mdio_base + reg;
+	__raw_writel(value, r);
+
+	/* flush write */
+	(void) __raw_readl(r);
+}
+
+static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
+{
+	return __raw_readl(am->mdio_base + reg);
+}
+
+static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)
+{
+	DBG("%s: mii_cfg=%08x, mii_cmd=%08x, mii_addr=%08x\n",
+		am->mii_bus->name,
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_CFG),
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_CMD),
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_ADDR));
+	DBG("%s: mii_ctrl=%08x, mii_status=%08x, mii_ind=%08x\n",
+		am->mii_bus->name,
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_CTRL),
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS),
+		ag71xx_mdio_rr(am, AG71XX_REG_MII_IND));
+}
+
+int ag71xx_mdio_mii_read(struct ag71xx_mdio *am, int addr, int reg)
+{
+	int ret;
+	int i;
+
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
+			((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff));
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_READ);
+
+	i = AG71XX_MDIO_RETRY;
+	while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+		if (i-- == 0) {
+			printk(KERN_ERR "%s: mii_read timed out\n",
+				am->mii_bus->name);
+			ret = 0xffff;
+			goto out;
+		}
+		udelay(AG71XX_MDIO_DELAY);
+	}
+
+	ret = ag71xx_mdio_rr(am, AG71XX_REG_MII_STATUS) & 0xffff;
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CMD, MII_CMD_WRITE);
+
+	DBG("mii_read: addr=%04x, reg=%04x, value=%04x\n", addr, reg, ret);
+
+out:
+	return ret;
+}
+
+void ag71xx_mdio_mii_write(struct ag71xx_mdio *am, int addr, int reg, u16 val)
+{
+	int i;
+
+	DBG("mii_write: addr=%04x, reg=%04x, value=%04x\n", addr, reg, val);
+
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_ADDR,
+			((addr & 0xff) << MII_ADDR_SHIFT) | (reg & 0xff));
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CTRL, val);
+
+	i = AG71XX_MDIO_RETRY;
+	while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+		if (i-- == 0) {
+			printk(KERN_ERR "%s: mii_write timed out\n",
+				am->mii_bus->name);
+			break;
+		}
+		udelay(AG71XX_MDIO_DELAY);
+	}
+}
+
+static int ag71xx_mdio_reset(struct mii_bus *bus)
+{
+	struct ag71xx_mdio *am = bus->priv;
+	u32 t;
+
+	if (am->pdata->is_ar7240)
+		t = MII_CFG_CLK_DIV_6;
+	else
+		t = MII_CFG_CLK_DIV_28;
+
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
+	udelay(100);
+
+	ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t);
+	udelay(100);
+
+	return 0;
+}
+
+static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
+{
+	struct ag71xx_mdio *am = bus->priv;
+
+	if (am->pdata->is_ar7240)
+		return ar7240sw_phy_read(bus, addr, reg);
+	else
+		return ag71xx_mdio_mii_read(am, addr, reg);
+}
+
+static int ag71xx_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
+{
+	struct ag71xx_mdio *am = bus->priv;
+
+	if (am->pdata->is_ar7240)
+		ar7240sw_phy_write(bus, addr, reg, val);
+	else
+		ag71xx_mdio_mii_write(am, addr, reg, val);
+	return 0;
+}
+
+static int __devinit ag71xx_mdio_probe(struct platform_device *pdev)
+{
+	struct ag71xx_mdio_platform_data *pdata;
+	struct ag71xx_mdio *am;
+	struct resource *res;
+	int i;
+	int err;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data specified\n");
+		return -EINVAL;
+	}
+
+	am = kzalloc(sizeof(*am), GFP_KERNEL);
+	if (!am) {
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	am->pdata = pdata;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "no iomem resource found\n");
+		err = -ENXIO;
+		goto err_out;
+	}
+
+	am->mdio_base = ioremap_nocache(res->start, res->end - res->start + 1);
+	if (!am->mdio_base) {
+		dev_err(&pdev->dev, "unable to ioremap registers\n");
+		err = -ENOMEM;
+		goto err_free_mdio;
+	}
+
+	am->mii_bus = mdiobus_alloc();
+	if (am->mii_bus == NULL) {
+		err = -ENOMEM;
+		goto err_iounmap;
+	}
+
+	am->mii_bus->name = "ag71xx_mdio";
+	am->mii_bus->read = ag71xx_mdio_read;
+	am->mii_bus->write = ag71xx_mdio_write;
+	am->mii_bus->reset = ag71xx_mdio_reset;
+	am->mii_bus->irq = am->mii_irq;
+	am->mii_bus->priv = am;
+	am->mii_bus->parent = &pdev->dev;
+	snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(&pdev->dev));
+	am->mii_bus->phy_mask = pdata->phy_mask;
+
+	for (i = 0; i < PHY_MAX_ADDR; i++)
+		am->mii_irq[i] = PHY_POLL;
+
+	ag71xx_mdio_wr(am, AG71XX_REG_MAC_CFG1, 0);
+
+	err = mdiobus_register(am->mii_bus);
+	if (err)
+		goto err_free_bus;
+
+	ag71xx_mdio_dump_regs(am);
+
+	platform_set_drvdata(pdev, am);
+	return 0;
+
+err_free_bus:
+	mdiobus_free(am->mii_bus);
+err_iounmap:
+	iounmap(am->mdio_base);
+err_free_mdio:
+	kfree(am);
+err_out:
+	return err;
+}
+
+static int __devexit ag71xx_mdio_remove(struct platform_device *pdev)
+{
+	struct ag71xx_mdio *am = platform_get_drvdata(pdev);
+
+	if (am) {
+		mdiobus_unregister(am->mii_bus);
+		mdiobus_free(am->mii_bus);
+		iounmap(am->mdio_base);
+		kfree(am);
+		platform_set_drvdata(pdev, NULL);
+	}
+
+	return 0;
+}
+
+static struct platform_driver ag71xx_mdio_driver = {
+	.probe		= ag71xx_mdio_probe,
+	.remove		= __exit_p(ag71xx_mdio_remove),
+	.driver = {
+		.name	= "ag71xx-mdio",
+	}
+};
+
+int __init ag71xx_mdio_driver_init(void)
+{
+	return platform_driver_register(&ag71xx_mdio_driver);
+}
+
+void ag71xx_mdio_driver_exit(void)
+{
+	platform_driver_unregister(&ag71xx_mdio_driver);
+}
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_phy.c b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_phy.c
new file mode 100644
index 0000000000..b10dd4917d
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/net/ag71xx/ag71xx_phy.c
@@ -0,0 +1,236 @@
+/*
+ *  Atheros AR71xx built-in ethernet mac driver
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Based on Atheros' AG7100 driver
+ *
+ *  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.
+ */
+
+#include "ag71xx.h"
+
+static void ag71xx_phy_link_adjust(struct net_device *dev)
+{
+	struct ag71xx *ag = netdev_priv(dev);
+	struct phy_device *phydev = ag->phy_dev;
+	unsigned long flags;
+	int status_change = 0;
+
+	spin_lock_irqsave(&ag->lock, flags);
+
+	if (phydev->link) {
+		if (ag->duplex != phydev->duplex
+		    || ag->speed != phydev->speed) {
+			status_change = 1;
+		}
+	}
+
+	if (phydev->link != ag->link)
+		status_change = 1;
+
+	ag->link = phydev->link;
+	ag->duplex = phydev->duplex;
+	ag->speed = phydev->speed;
+
+	if (status_change)
+		ag71xx_link_adjust(ag);
+
+	spin_unlock_irqrestore(&ag->lock, flags);
+}
+
+void ag71xx_phy_start(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+	if (ag->phy_dev) {
+		phy_start(ag->phy_dev);
+	} else if (pdata->switch_data) {
+		ag71xx_ar7240_start(ag);
+	} else {
+		ag->link = 1;
+		ag71xx_link_adjust(ag);
+	}
+}
+
+void ag71xx_phy_stop(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	unsigned long flags;
+
+	if (ag->phy_dev)
+		phy_stop(ag->phy_dev);
+	else if (pdata->switch_data)
+		ag71xx_ar7240_stop(ag);
+
+	spin_lock_irqsave(&ag->lock, flags);
+	if (ag->link) {
+		ag->link = 0;
+		ag71xx_link_adjust(ag);
+	}
+	spin_unlock_irqrestore(&ag->lock, flags);
+}
+
+static int ag71xx_phy_connect_fixed(struct ag71xx *ag)
+{
+	struct net_device *dev = ag->dev;
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	int ret = 0;
+
+	/* use fixed settings */
+	switch (pdata->speed) {
+	case SPEED_10:
+	case SPEED_100:
+	case SPEED_1000:
+		break;
+	default:
+		printk(KERN_ERR "%s: invalid speed specified\n", dev->name);
+		ret = -EINVAL;
+		break;
+	}
+
+	printk(KERN_DEBUG "%s: using fixed link parameters\n", dev->name);
+
+	ag->duplex = pdata->duplex;
+	ag->speed = pdata->speed;
+
+	return ret;
+}
+
+static int ag71xx_phy_connect_multi(struct ag71xx *ag)
+{
+	struct net_device *dev = ag->dev;
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+	struct phy_device *phydev = NULL;
+	int phy_addr;
+	int ret = 0;
+
+	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+		if (!(pdata->phy_mask & (1 << phy_addr)))
+			continue;
+
+		if (ag->mii_bus->phy_map[phy_addr] == NULL)
+			continue;
+
+		DBG("%s: PHY found at %s, uid=%08x\n",
+			dev->name,
+			dev_name(&ag->mii_bus->phy_map[phy_addr]->dev),
+			ag->mii_bus->phy_map[phy_addr]->phy_id);
+
+		if (phydev == NULL)
+			phydev = ag->mii_bus->phy_map[phy_addr];
+	}
+
+	if (!phydev) {
+		printk(KERN_ERR "%s: no PHY found with phy_mask=%08x\n",
+			dev->name, pdata->phy_mask);
+		return -ENODEV;
+	}
+
+	ag->phy_dev = phy_connect(dev, dev_name(&phydev->dev),
+				  &ag71xx_phy_link_adjust, 0,
+				  pdata->phy_if_mode);
+
+	if (IS_ERR(ag->phy_dev)) {
+		printk(KERN_ERR "%s: could not connect to PHY at %s\n",
+			dev->name, dev_name(&phydev->dev));
+		return PTR_ERR(ag->phy_dev);
+	}
+
+	/* mask with MAC supported features */
+	if (pdata->has_gbit)
+		phydev->supported &= PHY_GBIT_FEATURES;
+	else
+		phydev->supported &= PHY_BASIC_FEATURES;
+
+	phydev->advertising = phydev->supported;
+
+	printk(KERN_DEBUG "%s: connected to PHY at %s [uid=%08x, driver=%s]\n",
+		dev->name, dev_name(&phydev->dev),
+		phydev->phy_id, phydev->drv->name);
+
+	ag->link = 0;
+	ag->speed = 0;
+	ag->duplex = -1;
+
+	return ret;
+}
+
+static int dev_is_class(struct device *dev, void *class)
+{
+	if (dev->class != NULL && !strcmp(dev->class->name, class))
+		return 1;
+
+	return 0;
+}
+
+static struct device *dev_find_class(struct device *parent, char *class)
+{
+	if (dev_is_class(parent, class)) {
+		get_device(parent);
+		return parent;
+	}
+
+	return device_find_child(parent, class, dev_is_class);
+}
+
+static struct mii_bus *dev_to_mii_bus(struct device *dev)
+{
+	struct device *d;
+
+	d = dev_find_class(dev, "mdio_bus");
+	if (d != NULL) {
+		struct mii_bus *bus;
+
+		bus = to_mii_bus(d);
+		put_device(d);
+
+		return bus;
+	}
+
+	return NULL;
+}
+
+int __devinit ag71xx_phy_connect(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+	if (pdata->mii_bus_dev == NULL ||
+	    pdata->mii_bus_dev->bus == NULL )
+		return ag71xx_phy_connect_fixed(ag);
+
+	ag->mii_bus = dev_to_mii_bus(pdata->mii_bus_dev);
+	if (ag->mii_bus == NULL) {
+		printk(KERN_ERR "%s: unable to find MII bus on device '%s'\n",
+			ag->dev->name, dev_name(pdata->mii_bus_dev));
+		return -ENODEV;
+	}
+
+	/* Reset the mdio bus explicitly */
+	if (ag->mii_bus->reset) {
+		mutex_lock(&ag->mii_bus->mdio_lock);
+		ag->mii_bus->reset(ag->mii_bus);
+		mutex_unlock(&ag->mii_bus->mdio_lock);
+	}
+
+	if (pdata->switch_data)
+		return ag71xx_ar7240_init(ag);
+
+	if (pdata->phy_mask)
+		return ag71xx_phy_connect_multi(ag);
+
+	return ag71xx_phy_connect_fixed(ag);
+}
+
+void ag71xx_phy_disconnect(struct ag71xx *ag)
+{
+	struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+	if (pdata->switch_data)
+		ag71xx_ar7240_cleanup(ag);
+	else if (ag->phy_dev)
+		phy_disconnect(ag->phy_dev);
+}
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/spi/ar71xx_spi.c b/target/linux/ar71xx/files-2.6.39/drivers/spi/ar71xx_spi.c
new file mode 100644
index 0000000000..d1ed731c14
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/spi/ar71xx_spi.c
@@ -0,0 +1,283 @@
+/*
+ * Atheros AR71xx SPI Controller driver
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/bitops.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ar71xx/platform.h>
+
+#define DRV_DESC	"Atheros AR71xx SPI Controller driver"
+#define DRV_VERSION	"0.2.4"
+#define DRV_NAME	"ar71xx-spi"
+
+#undef PER_BIT_READ
+
+struct ar71xx_spi {
+	struct	spi_bitbang	bitbang;
+	u32			ioc_base;
+	u32			reg_ctrl;
+
+	void __iomem		*base;
+
+	struct platform_device	*pdev;
+	u32			(*get_ioc_base)(u8 chip_select, int cs_high,
+						int is_on);
+};
+
+static inline u32 ar71xx_spi_rr(struct ar71xx_spi *sp, unsigned reg)
+{
+	return __raw_readl(sp->base + reg);
+}
+
+static inline void ar71xx_spi_wr(struct ar71xx_spi *sp, unsigned reg, u32 val)
+{
+	__raw_writel(val, sp->base + reg);
+}
+
+static inline struct ar71xx_spi *spidev_to_sp(struct spi_device *spi)
+{
+	return spi_master_get_devdata(spi->master);
+}
+
+static u32 ar71xx_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
+{
+	u32 ret;
+
+	if (is_on == AR71XX_SPI_CS_INACTIVE)
+		ret = SPI_IOC_CS_ALL;
+	else
+		ret = SPI_IOC_CS_ALL & ~SPI_IOC_CS(chip_select);
+
+	return ret;
+}
+
+static void ar71xx_spi_chipselect(struct spi_device *spi, int value)
+{
+	struct ar71xx_spi *sp = spidev_to_sp(spi);
+	void __iomem *base = sp->base;
+	u32 ioc_base;
+
+	switch (value) {
+	case BITBANG_CS_INACTIVE:
+		ioc_base = sp->get_ioc_base(spi->chip_select,
+					(spi->mode & SPI_CS_HIGH) != 0,
+					AR71XX_SPI_CS_INACTIVE);
+		__raw_writel(ioc_base, base + SPI_REG_IOC);
+		break;
+
+	case BITBANG_CS_ACTIVE:
+		ioc_base = sp->get_ioc_base(spi->chip_select,
+					(spi->mode & SPI_CS_HIGH) != 0,
+					AR71XX_SPI_CS_ACTIVE);
+
+		__raw_writel(ioc_base, base + SPI_REG_IOC);
+		sp->ioc_base = ioc_base;
+		break;
+	}
+}
+
+static void ar71xx_spi_setup_regs(struct ar71xx_spi *sp)
+{
+	/* enable GPIO mode */
+	ar71xx_spi_wr(sp, SPI_REG_FS, SPI_FS_GPIO);
+
+	/* save CTRL register */
+	sp->reg_ctrl = ar71xx_spi_rr(sp, SPI_REG_CTRL);
+
+	/* TODO: setup speed? */
+	ar71xx_spi_wr(sp, SPI_REG_CTRL, 0x43);
+}
+
+static void ar71xx_spi_restore_regs(struct ar71xx_spi *sp)
+{
+	/* restore CTRL register */
+	ar71xx_spi_wr(sp, SPI_REG_CTRL, sp->reg_ctrl);
+	/* disable GPIO mode */
+	ar71xx_spi_wr(sp, SPI_REG_FS, 0);
+}
+
+static int ar71xx_spi_setup(struct spi_device *spi)
+{
+	if (spi->bits_per_word > 32)
+		return -EINVAL;
+
+	return spi_bitbang_setup(spi);
+}
+
+static void ar71xx_spi_cleanup(struct spi_device *spi)
+{
+	spi_bitbang_cleanup(spi);
+}
+
+static u32 ar71xx_spi_txrx_mode0(struct spi_device *spi, unsigned nsecs,
+					u32 word, u8 bits)
+{
+	struct ar71xx_spi *sp = spidev_to_sp(spi);
+	void __iomem *base = sp->base;
+	u32 ioc = sp->ioc_base;
+	u32 ret;
+
+	/* clock starts at inactive polarity */
+	for (word <<= (32 - bits); likely(bits); bits--) {
+		u32 out;
+
+		if (word & (1 << 31))
+			out = ioc | SPI_IOC_DO;
+		else
+			out = ioc & ~SPI_IOC_DO;
+
+		/* setup MSB (to slave) on trailing edge */
+		__raw_writel(out, base + SPI_REG_IOC);
+
+		__raw_writel(out | SPI_IOC_CLK, base + SPI_REG_IOC);
+
+		word <<= 1;
+
+#ifdef PER_BIT_READ
+		/* sample MSB (from slave) on leading edge */
+		ret = __raw_readl(base + SPI_REG_RDS);
+		__raw_writel(out, base + SPI_REG_IOC);
+#endif
+
+	}
+
+#ifndef PER_BIT_READ
+	ret = __raw_readl(base + SPI_REG_RDS);
+#endif
+	return ret;
+}
+
+static int ar71xx_spi_probe(struct platform_device *pdev)
+{
+	struct spi_master *master;
+	struct ar71xx_spi *sp;
+	struct ar71xx_spi_platform_data *pdata;
+	struct resource	*r;
+	int ret;
+
+	master = spi_alloc_master(&pdev->dev, sizeof(*sp));
+	if (master == NULL) {
+		dev_err(&pdev->dev, "failed to allocate spi master\n");
+		return -ENOMEM;
+	}
+
+	sp = spi_master_get_devdata(master);
+	platform_set_drvdata(pdev, sp);
+
+	pdata = pdev->dev.platform_data;
+
+	master->setup = ar71xx_spi_setup;
+	master->cleanup = ar71xx_spi_cleanup;
+
+	sp->bitbang.master = spi_master_get(master);
+	sp->bitbang.chipselect = ar71xx_spi_chipselect;
+	sp->bitbang.txrx_word[SPI_MODE_0] = ar71xx_spi_txrx_mode0;
+	sp->bitbang.setup_transfer = spi_bitbang_setup_transfer;
+
+	sp->get_ioc_base = ar71xx_spi_get_ioc_base;
+	if (pdata) {
+		sp->bitbang.master->bus_num = pdata->bus_num;
+		sp->bitbang.master->num_chipselect = pdata->num_chipselect;
+		if (pdata->get_ioc_base)
+			sp->get_ioc_base = pdata->get_ioc_base;
+	} else {
+		sp->bitbang.master->bus_num = 0;
+		sp->bitbang.master->num_chipselect = 3;
+	}
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (r == NULL) {
+		ret = -ENOENT;
+		goto err1;
+	}
+
+	sp->base = ioremap_nocache(r->start, r->end - r->start + 1);
+	if (!sp->base) {
+		ret = -ENXIO;
+		goto err1;
+	}
+
+	ar71xx_spi_setup_regs(sp);
+
+	ret = spi_bitbang_start(&sp->bitbang);
+	if (!ret)
+		return 0;
+
+	ar71xx_spi_restore_regs(sp);
+	iounmap(sp->base);
+err1:
+	platform_set_drvdata(pdev, NULL);
+	spi_master_put(sp->bitbang.master);
+
+	return ret;
+}
+
+static int ar71xx_spi_remove(struct platform_device *pdev)
+{
+	struct ar71xx_spi *sp = platform_get_drvdata(pdev);
+
+	spi_bitbang_stop(&sp->bitbang);
+	ar71xx_spi_restore_regs(sp);
+	iounmap(sp->base);
+	platform_set_drvdata(pdev, NULL);
+	spi_master_put(sp->bitbang.master);
+
+	return 0;
+}
+
+static void ar71xx_spi_shutdown(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = ar71xx_spi_remove(pdev);
+	if (ret)
+		dev_err(&pdev->dev, "shutdown failed with %d\n", ret);
+}
+
+static struct platform_driver ar71xx_spi_drv = {
+	.probe		= ar71xx_spi_probe,
+	.remove		= ar71xx_spi_remove,
+	.shutdown	= ar71xx_spi_shutdown,
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init ar71xx_spi_init(void)
+{
+	printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
+	return platform_driver_register(&ar71xx_spi_drv);
+}
+module_init(ar71xx_spi_init);
+
+static void __exit ar71xx_spi_exit(void)
+{
+	platform_driver_unregister(&ar71xx_spi_drv);
+}
+module_exit(ar71xx_spi_exit);
+
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/spi/pb44_spi.c b/target/linux/ar71xx/files-2.6.39/drivers/spi/pb44_spi.c
new file mode 100644
index 0000000000..556c7717c8
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/spi/pb44_spi.c
@@ -0,0 +1,316 @@
+/*
+ * Atheros PB44 board SPI controller driver
+ *
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/bitops.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ar71xx/platform.h>
+
+#define DRV_DESC	"Atheros PB44 SPI Controller driver"
+#define DRV_VERSION	"0.1.0"
+#define DRV_NAME	"pb44-spi"
+
+#undef PER_BIT_READ
+
+struct ar71xx_spi {
+	struct	spi_bitbang	bitbang;
+	u32			ioc_base;
+	u32			reg_ctrl;
+
+	void __iomem		*base;
+
+	struct platform_device	*pdev;
+};
+
+static inline u32 pb44_spi_rr(struct ar71xx_spi *sp, unsigned reg)
+{
+	return __raw_readl(sp->base + reg);
+}
+
+static inline void pb44_spi_wr(struct ar71xx_spi *sp, unsigned reg, u32 val)
+{
+	__raw_writel(val, sp->base + reg);
+}
+
+static inline struct ar71xx_spi *spidev_to_sp(struct spi_device *spi)
+{
+	return spi_master_get_devdata(spi->master);
+}
+
+static void pb44_spi_chipselect(struct spi_device *spi, int is_active)
+{
+	struct ar71xx_spi *sp = spidev_to_sp(spi);
+	int cs_high = (spi->mode & SPI_CS_HIGH) ? is_active : !is_active;
+
+	if (is_active) {
+		/* set initial clock polarity */
+		if (spi->mode & SPI_CPOL)
+			sp->ioc_base |= SPI_IOC_CLK;
+		else
+			sp->ioc_base &= ~SPI_IOC_CLK;
+
+		pb44_spi_wr(sp, SPI_REG_IOC, sp->ioc_base);
+	}
+
+	if (spi->chip_select) {
+		unsigned long gpio = (unsigned long) spi->controller_data;
+
+		/* SPI is normally active-low */
+		gpio_set_value(gpio, cs_high);
+	} else {
+		if (cs_high)
+			sp->ioc_base |= SPI_IOC_CS0;
+		else
+			sp->ioc_base &= ~SPI_IOC_CS0;
+
+		pb44_spi_wr(sp, SPI_REG_IOC, sp->ioc_base);
+	}
+
+}
+
+static void pb44_spi_enable(struct ar71xx_spi *sp)
+{
+	/* enable GPIO mode */
+	pb44_spi_wr(sp, SPI_REG_FS, SPI_FS_GPIO);
+
+	/* save CTRL register */
+	sp->reg_ctrl = pb44_spi_rr(sp, SPI_REG_CTRL);
+	sp->ioc_base = pb44_spi_rr(sp, SPI_REG_IOC);
+
+	pb44_spi_wr(sp, SPI_REG_CTRL, 0x43);
+}
+
+static void pb44_spi_disable(struct ar71xx_spi *sp)
+{
+	/* restore CTRL register */
+	pb44_spi_wr(sp, SPI_REG_CTRL, sp->reg_ctrl);
+	/* disable GPIO mode */
+	pb44_spi_wr(sp, SPI_REG_FS, 0);
+}
+
+static int pb44_spi_setup_cs(struct spi_device *spi)
+{
+	struct ar71xx_spi *sp = spidev_to_sp(spi);
+
+	if (spi->chip_select) {
+		unsigned long gpio = (unsigned long) spi->controller_data;
+		int status = 0;
+
+		status = gpio_request(gpio, dev_name(&spi->dev));
+		if (status)
+			return status;
+
+		status = gpio_direction_output(gpio, spi->mode & SPI_CS_HIGH);
+		if (status) {
+			gpio_free(gpio);
+			return status;
+		}
+	} else {
+		if (spi->mode & SPI_CS_HIGH)
+			sp->ioc_base |= SPI_IOC_CS0;
+		else
+			sp->ioc_base &= ~SPI_IOC_CS0;
+		pb44_spi_wr(sp, SPI_REG_IOC, sp->ioc_base);
+	}
+
+	return 0;
+}
+
+static void pb44_spi_cleanup_cs(struct spi_device *spi)
+{
+	if (spi->chip_select) {
+		unsigned long gpio = (unsigned long) spi->controller_data;
+		gpio_free(gpio);
+	}
+}
+
+static int pb44_spi_setup(struct spi_device *spi)
+{
+	int status = 0;
+
+	if (spi->bits_per_word > 32)
+		return -EINVAL;
+
+	if (!spi->controller_state) {
+		status = pb44_spi_setup_cs(spi);
+		if (status)
+			return status;
+	}
+
+	status = spi_bitbang_setup(spi);
+	if (status && !spi->controller_state)
+		pb44_spi_cleanup_cs(spi);
+
+	return status;
+}
+
+static void pb44_spi_cleanup(struct spi_device *spi)
+{
+	pb44_spi_cleanup_cs(spi);
+	spi_bitbang_cleanup(spi);
+}
+
+static u32 pb44_spi_txrx_mode0(struct spi_device *spi, unsigned nsecs,
+			       u32 word, u8 bits)
+{
+	struct ar71xx_spi *sp = spidev_to_sp(spi);
+	u32 ioc = sp->ioc_base;
+	u32 ret;
+
+	/* clock starts at inactive polarity */
+	for (word <<= (32 - bits); likely(bits); bits--) {
+		u32 out;
+
+		if (word & (1 << 31))
+			out = ioc | SPI_IOC_DO;
+		else
+			out = ioc & ~SPI_IOC_DO;
+
+		/* setup MSB (to slave) on trailing edge */
+		pb44_spi_wr(sp, SPI_REG_IOC, out);
+		pb44_spi_wr(sp, SPI_REG_IOC, out | SPI_IOC_CLK);
+
+		word <<= 1;
+
+#ifdef PER_BIT_READ
+		/* sample MSB (from slave) on leading edge */
+		ret = pb44_spi_rr(sp, SPI_REG_RDS);
+		pb44_spi_wr(sp, SPI_REG_IOC, out);
+#endif
+	}
+
+#ifndef PER_BIT_READ
+	ret = pb44_spi_rr(sp, SPI_REG_RDS);
+#endif
+	return ret;
+}
+
+static int pb44_spi_probe(struct platform_device *pdev)
+{
+	struct spi_master *master;
+	struct ar71xx_spi *sp;
+	struct ar71xx_spi_platform_data *pdata;
+	struct resource	*r;
+	int ret;
+
+	master = spi_alloc_master(&pdev->dev, sizeof(*sp));
+	if (master == NULL) {
+		dev_err(&pdev->dev, "failed to allocate spi master\n");
+		return -ENOMEM;
+	}
+
+	sp = spi_master_get_devdata(master);
+	platform_set_drvdata(pdev, sp);
+
+	pdata = pdev->dev.platform_data;
+
+	master->setup = pb44_spi_setup;
+	master->cleanup = pb44_spi_cleanup;
+	if (pdata) {
+		master->bus_num = pdata->bus_num;
+		master->num_chipselect = pdata->num_chipselect;
+	} else {
+		master->bus_num = 0;
+		master->num_chipselect = 1;
+	}
+
+	sp->bitbang.master = spi_master_get(master);
+	sp->bitbang.chipselect = pb44_spi_chipselect;
+	sp->bitbang.txrx_word[SPI_MODE_0] = pb44_spi_txrx_mode0;
+	sp->bitbang.setup_transfer = spi_bitbang_setup_transfer;
+	sp->bitbang.flags = SPI_CS_HIGH;
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (r == NULL) {
+		ret = -ENOENT;
+		goto err1;
+	}
+
+	sp->base = ioremap_nocache(r->start, r->end - r->start + 1);
+	if (!sp->base) {
+		ret = -ENXIO;
+		goto err1;
+	}
+
+	pb44_spi_enable(sp);
+
+	ret = spi_bitbang_start(&sp->bitbang);
+	if (!ret)
+		return 0;
+
+	pb44_spi_disable(sp);
+	iounmap(sp->base);
+err1:
+	platform_set_drvdata(pdev, NULL);
+	spi_master_put(sp->bitbang.master);
+
+	return ret;
+}
+
+static int pb44_spi_remove(struct platform_device *pdev)
+{
+	struct ar71xx_spi *sp = platform_get_drvdata(pdev);
+
+	spi_bitbang_stop(&sp->bitbang);
+	pb44_spi_disable(sp);
+	iounmap(sp->base);
+	platform_set_drvdata(pdev, NULL);
+	spi_master_put(sp->bitbang.master);
+
+	return 0;
+}
+
+static void pb44_spi_shutdown(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = pb44_spi_remove(pdev);
+	if (ret)
+		dev_err(&pdev->dev, "shutdown failed with %d\n", ret);
+}
+
+static struct platform_driver pb44_spi_drv = {
+	.probe		= pb44_spi_probe,
+	.remove		= pb44_spi_remove,
+	.shutdown	= pb44_spi_shutdown,
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init pb44_spi_init(void)
+{
+	return platform_driver_register(&pb44_spi_drv);
+}
+module_init(pb44_spi_init);
+
+static void __exit pb44_spi_exit(void)
+{
+	platform_driver_unregister(&pb44_spi_drv);
+}
+module_exit(pb44_spi_exit);
+
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/tty/serial/ar933x_uart.c b/target/linux/ar71xx/files-2.6.39/drivers/tty/serial/ar933x_uart.c
new file mode 100644
index 0000000000..6aca24f36d
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/tty/serial/ar933x_uart.c
@@ -0,0 +1,688 @@
+/*
+ *  Atheros AR933X SoC built-in UART driver
+ *
+ *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
+ *
+ *  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.
+ */
+
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+
+#include <asm/mach-ar71xx/ar933x_uart.h>
+#include <asm/mach-ar71xx/ar933x_uart_platform.h>
+
+#define DRIVER_NAME "ar933x-uart"
+
+#define AR933X_DUMMY_STATUS_RD	0x01
+
+static struct uart_driver ar933x_uart_driver;
+
+struct ar933x_uart_port {
+	struct uart_port	port;
+	unsigned int		ier;	/* shadow Interrupt Enable Register */
+};
+
+static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up,
+					    int offset)
+{
+	return readl(up->port.membase + offset);
+}
+
+static inline void ar933x_uart_write(struct ar933x_uart_port *up,
+				     int offset, unsigned int value)
+{
+	writel(value, up->port.membase + offset);
+}
+
+static inline void ar933x_uart_rmw(struct ar933x_uart_port *up,
+				  unsigned int offset,
+				  unsigned int mask,
+				  unsigned int val)
+{
+	unsigned int t;
+
+	t = ar933x_uart_read(up, offset);
+	t &= ~mask;
+	t |= val;
+	ar933x_uart_write(up, offset, t);
+}
+
+static inline void ar933x_uart_rmw_set(struct ar933x_uart_port *up,
+				       unsigned int offset,
+				       unsigned int val)
+{
+	ar933x_uart_rmw(up, offset, 0, val);
+}
+
+static inline void ar933x_uart_rmw_clear(struct ar933x_uart_port *up,
+					 unsigned int offset,
+					 unsigned int val)
+{
+	ar933x_uart_rmw(up, offset, val, 0);
+}
+
+static inline void ar933x_uart_start_tx_interrupt(struct ar933x_uart_port *up)
+{
+	up->ier |= AR933X_UART_INT_TX_EMPTY;
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+}
+
+static inline void ar933x_uart_stop_tx_interrupt(struct ar933x_uart_port *up)
+{
+	up->ier &= ~AR933X_UART_INT_TX_EMPTY;
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+}
+
+static inline void ar933x_uart_putc(struct ar933x_uart_port *up, int ch)
+{
+	unsigned int rdata;
+
+	rdata = ch & AR933X_UART_DATA_TX_RX_MASK;
+	rdata |= AR933X_UART_DATA_TX_CSR;
+	ar933x_uart_write(up, AR933X_UART_DATA_REG, rdata);
+}
+
+static unsigned int ar933x_uart_tx_empty(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+	unsigned long flags;
+	unsigned int rdata;
+
+	spin_lock_irqsave(&up->port.lock, flags);
+	rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
+	spin_unlock_irqrestore(&up->port.lock, flags);
+
+	return (rdata & AR933X_UART_DATA_TX_CSR) ? 0 : TIOCSER_TEMT;
+}
+
+static unsigned int ar933x_uart_get_mctrl(struct uart_port *port)
+{
+	return TIOCM_CAR;
+}
+
+static void ar933x_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+}
+
+static void ar933x_uart_start_tx(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+
+	ar933x_uart_start_tx_interrupt(up);
+}
+
+static void ar933x_uart_stop_tx(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+
+	ar933x_uart_stop_tx_interrupt(up);
+}
+
+static void ar933x_uart_stop_rx(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+
+	up->ier &= ~AR933X_UART_INT_RX_VALID;
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+}
+
+static void ar933x_uart_break_ctl(struct uart_port *port, int break_state)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+	unsigned long flags;
+
+	spin_lock_irqsave(&up->port.lock, flags);
+	if (break_state == -1)
+		ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+				    AR933X_UART_CS_TX_BREAK);
+	else
+		ar933x_uart_rmw_clear(up, AR933X_UART_CS_REG,
+				      AR933X_UART_CS_TX_BREAK);
+	spin_unlock_irqrestore(&up->port.lock, flags);
+}
+
+static void ar933x_uart_enable_ms(struct uart_port *port)
+{
+}
+
+static void ar933x_uart_set_termios(struct uart_port *port,
+				    struct ktermios *new,
+				    struct ktermios *old)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+	unsigned int cs;
+	unsigned long flags;
+	unsigned int baud, scale;
+
+	/* Only CS8 is supported */
+	new->c_cflag &= ~CSIZE;
+	new->c_cflag |= CS8;
+
+	/* Only one stop bit is supported */
+	new->c_cflag &= ~CSTOPB;
+
+	cs = 0;
+	if (new->c_cflag & PARENB) {
+		if (!(new->c_cflag & PARODD))
+			cs |= AR933X_UART_CS_PARITY_EVEN;
+		else
+			cs |= AR933X_UART_CS_PARITY_ODD;
+	} else {
+		cs |= AR933X_UART_CS_PARITY_NONE;
+	}
+
+	/* Mark/space parity is not supported */
+	new->c_cflag &= ~CMSPAR;
+
+	baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
+	scale = (port->uartclk / (16 * baud)) - 1;
+
+	/*
+	 * Ok, we're now changing the port state. Do it with
+	 * interrupts disabled.
+	 */
+	spin_lock_irqsave(&up->port.lock, flags);
+
+	/* Update the per-port timeout. */
+	uart_update_timeout(port, new->c_cflag, baud);
+
+	up->port.ignore_status_mask = 0;
+
+	/* ignore all characters if CREAD is not set */
+	if ((new->c_cflag & CREAD) == 0)
+		up->port.ignore_status_mask |= AR933X_DUMMY_STATUS_RD;
+
+	ar933x_uart_write(up, AR933X_UART_CLOCK_REG,
+			  scale << AR933X_UART_CLOCK_SCALE_S | 8192);
+
+	/* setup configuration register */
+	ar933x_uart_rmw(up, AR933X_UART_CS_REG, AR933X_UART_CS_PARITY_M, cs);
+
+	/* enable host interrupt */
+	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+			    AR933X_UART_CS_HOST_INT_EN);
+
+	spin_unlock_irqrestore(&up->port.lock, flags);
+
+	if (tty_termios_baud_rate(new))
+		tty_termios_encode_baud_rate(new, baud, baud);
+}
+
+static void ar933x_uart_rx_chars(struct ar933x_uart_port *up)
+{
+	struct tty_struct *tty;
+	int max_count = 256;
+
+	tty = tty_port_tty_get(&up->port.state->port);
+	do {
+		unsigned int rdata;
+		unsigned char ch;
+
+		rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
+		if ((rdata & AR933X_UART_DATA_RX_CSR) == 0)
+			break;
+
+		/* remove the character from the FIFO */
+		ar933x_uart_write(up, AR933X_UART_DATA_REG,
+				  AR933X_UART_DATA_RX_CSR);
+
+		if (!tty) {
+			/* discard the data if no tty available */
+			continue;
+		}
+
+		up->port.icount.rx++;
+		ch = rdata & AR933X_UART_DATA_TX_RX_MASK;
+
+		if (uart_handle_sysrq_char(&up->port, ch))
+			continue;
+
+		if ((up->port.ignore_status_mask & AR933X_DUMMY_STATUS_RD) == 0)
+			tty_insert_flip_char(tty, ch, TTY_NORMAL);
+	} while (max_count-- > 0);
+
+	if (tty) {
+		tty_flip_buffer_push(tty);
+		tty_kref_put(tty);
+	}
+}
+
+static void ar933x_uart_tx_chars(struct ar933x_uart_port *up)
+{
+	struct circ_buf *xmit = &up->port.state->xmit;
+	int count;
+
+	if (uart_tx_stopped(&up->port))
+		return;
+
+	count = up->port.fifosize;
+	do {
+		unsigned int rdata;
+
+		rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
+		if ((rdata & AR933X_UART_DATA_TX_CSR) == 0)
+			break;
+
+		if (up->port.x_char) {
+			ar933x_uart_putc(up, up->port.x_char);
+			up->port.icount.tx++;
+			up->port.x_char = 0;
+			continue;
+		}
+
+		if (uart_circ_empty(xmit))
+			break;
+
+		ar933x_uart_putc(up, xmit->buf[xmit->tail]);
+
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		up->port.icount.tx++;
+	} while (--count > 0);
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(&up->port);
+
+	if (!uart_circ_empty(xmit))
+		ar933x_uart_start_tx_interrupt(up);
+}
+
+static irqreturn_t ar933x_uart_interrupt(int irq, void *dev_id)
+{
+	struct ar933x_uart_port *up = dev_id;
+	unsigned int status;
+
+	status = ar933x_uart_read(up, AR933X_UART_CS_REG);
+	if ((status & AR933X_UART_CS_HOST_INT) == 0)
+		return IRQ_NONE;
+
+	spin_lock(&up->port.lock);
+
+	status = ar933x_uart_read(up, AR933X_UART_INT_REG);
+	status &= ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
+
+	if (status & AR933X_UART_INT_RX_VALID) {
+		ar933x_uart_write(up, AR933X_UART_INT_REG,
+				  AR933X_UART_INT_RX_VALID);
+		ar933x_uart_rx_chars(up);
+	}
+
+	if (status & AR933X_UART_INT_TX_EMPTY) {
+		ar933x_uart_write(up, AR933X_UART_INT_REG,
+				  AR933X_UART_INT_TX_EMPTY);
+		ar933x_uart_stop_tx_interrupt(up);
+		ar933x_uart_tx_chars(up);
+	}
+
+	spin_unlock(&up->port.lock);
+
+	return IRQ_HANDLED;
+}
+
+static int ar933x_uart_startup(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+	unsigned long flags;
+	int ret;
+
+	ret = request_irq(up->port.irq, ar933x_uart_interrupt,
+			  up->port.irqflags, dev_name(up->port.dev), up);
+	if (ret)
+		return ret;
+
+	spin_lock_irqsave(&up->port.lock, flags);
+
+	/* Enable HOST interrupts */
+	ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+			    AR933X_UART_CS_HOST_INT_EN);
+
+	/* Enable RX interrupts */
+	up->ier = AR933X_UART_INT_RX_VALID;
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+
+	spin_unlock_irqrestore(&up->port.lock, flags);
+
+	return 0;
+}
+
+static void ar933x_uart_shutdown(struct uart_port *port)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+
+	/* Disable all interrupts */
+	up->ier = 0;
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+
+	/* Disable break condition */
+	ar933x_uart_rmw_clear(up, AR933X_UART_CS_REG,
+			      AR933X_UART_CS_TX_BREAK);
+
+	free_irq(up->port.irq, up);
+}
+
+static const char *ar933x_uart_type(struct uart_port *port)
+{
+	return (port->type == PORT_AR933X) ? "AR933X UART" : NULL;
+}
+
+static void ar933x_uart_release_port(struct uart_port *port)
+{
+	/* Nothing to release ... */
+}
+
+static int ar933x_uart_request_port(struct uart_port *port)
+{
+	/* UARTs always present */
+	return 0;
+}
+
+static void ar933x_uart_config_port(struct uart_port *port, int flags)
+{
+	if (flags & UART_CONFIG_TYPE)
+		port->type = PORT_AR933X;
+}
+
+static int ar933x_uart_verify_port(struct uart_port *port,
+				   struct serial_struct *ser)
+{
+	if (ser->type != PORT_UNKNOWN &&
+	    ser->type != PORT_AR933X)
+		return -EINVAL;
+
+	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+		return -EINVAL;
+
+	if (ser->baud_base < 28800)
+		return -EINVAL;
+
+	return 0;
+}
+
+static struct uart_ops ar933x_uart_ops = {
+	.tx_empty	= ar933x_uart_tx_empty,
+	.set_mctrl	= ar933x_uart_set_mctrl,
+	.get_mctrl	= ar933x_uart_get_mctrl,
+	.stop_tx	= ar933x_uart_stop_tx,
+	.start_tx	= ar933x_uart_start_tx,
+	.stop_rx	= ar933x_uart_stop_rx,
+	.enable_ms	= ar933x_uart_enable_ms,
+	.break_ctl	= ar933x_uart_break_ctl,
+	.startup	= ar933x_uart_startup,
+	.shutdown	= ar933x_uart_shutdown,
+	.set_termios	= ar933x_uart_set_termios,
+	.type		= ar933x_uart_type,
+	.release_port	= ar933x_uart_release_port,
+	.request_port	= ar933x_uart_request_port,
+	.config_port	= ar933x_uart_config_port,
+	.verify_port	= ar933x_uart_verify_port,
+};
+
+#ifdef CONFIG_SERIAL_AR933X_CONSOLE
+
+static struct ar933x_uart_port *
+ar933x_console_ports[CONFIG_SERIAL_AR933X_NR_UARTS];
+
+static void ar933x_uart_wait_xmitr(struct ar933x_uart_port *up)
+{
+	unsigned int status;
+	unsigned int timeout = 60000;
+
+	/* Wait up to 60ms for the character(s) to be sent. */
+	do {
+		status = ar933x_uart_read(up, AR933X_UART_DATA_REG);
+		if (--timeout == 0)
+			break;
+		udelay(1);
+	} while ((status & AR933X_UART_DATA_TX_CSR) == 0);
+}
+
+static void ar933x_uart_console_putchar(struct uart_port *port, int ch)
+{
+	struct ar933x_uart_port *up = (struct ar933x_uart_port *) port;
+
+	ar933x_uart_wait_xmitr(up);
+	ar933x_uart_putc(up, ch);
+}
+
+static void ar933x_uart_console_write(struct console *co, const char *s,
+				      unsigned int count)
+{
+	struct ar933x_uart_port *up = ar933x_console_ports[co->index];
+	unsigned long flags;
+	unsigned int int_en;
+	int locked = 1;
+
+	local_irq_save(flags);
+
+	if (up->port.sysrq)
+		locked = 0;
+	else if (oops_in_progress)
+		locked = spin_trylock(&up->port.lock);
+	else
+		spin_lock(&up->port.lock);
+
+	/*
+	 * First save the IER then disable the interrupts
+	 */
+	int_en = ar933x_uart_read(up, AR933X_UART_INT_EN_REG);
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, 0);
+
+	uart_console_write(&up->port, s, count, ar933x_uart_console_putchar);
+
+	/*
+	 * Finally, wait for transmitter to become empty
+	 * and restore the IER
+	 */
+	ar933x_uart_wait_xmitr(up);
+	ar933x_uart_write(up, AR933X_UART_INT_EN_REG, int_en);
+
+	ar933x_uart_write(up, AR933X_UART_INT_REG, AR933X_UART_INT_ALLINTS);
+
+	if (locked)
+		spin_unlock(&up->port.lock);
+
+	local_irq_restore(flags);
+}
+
+static int ar933x_uart_console_setup(struct console *co, char *options)
+{
+	struct ar933x_uart_port *up;
+	int baud = 115200;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	if (co->index < 0 || co->index >= CONFIG_SERIAL_AR933X_NR_UARTS)
+		return -EINVAL;
+
+	up = ar933x_console_ports[co->index];
+	if (!up)
+		return -ENODEV;
+
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+
+	return uart_set_options(&up->port, co, baud, parity, bits, flow);
+}
+
+static struct console ar933x_uart_console = {
+	.name		= "ttyATH",
+	.write		= ar933x_uart_console_write,
+	.device		= uart_console_device,
+	.setup		= ar933x_uart_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &ar933x_uart_driver,
+};
+
+static void ar933x_uart_add_console_port(struct ar933x_uart_port *up)
+{
+	ar933x_console_ports[up->port.line] = up;
+}
+
+#define AR933X_SERIAL_CONSOLE	(&ar933x_uart_console)
+
+#else
+
+static inline void ar933x_uart_add_console_port(struct ar933x_uart_port *up) {}
+
+#define AR933X_SERIAL_CONSOLE	NULL
+
+#endif /* CONFIG_SERIAL_AR933X_CONSOLE */
+
+static struct uart_driver ar933x_uart_driver = {
+	.owner		= THIS_MODULE,
+	.driver_name	= DRIVER_NAME,
+	.dev_name	= "ttyATH",
+	.nr		= CONFIG_SERIAL_AR933X_NR_UARTS,
+	.cons		= AR933X_SERIAL_CONSOLE,
+};
+
+static int __devinit ar933x_uart_probe(struct platform_device *pdev)
+{
+	struct ar933x_uart_platform_data *pdata;
+	struct ar933x_uart_port *up;
+	struct uart_port *port;
+	struct resource *mem_res;
+	struct resource *irq_res;
+	int id;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata)
+		return -EINVAL;
+
+	id = pdev->id;
+	if (id == -1)
+		id = 0;
+
+	if (id > CONFIG_SERIAL_AR933X_NR_UARTS)
+		return -EINVAL;
+
+	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem_res) {
+		dev_err(&pdev->dev, "no MEM resource\n");
+		return -EINVAL;
+	}
+
+	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!irq_res) {
+		dev_err(&pdev->dev, "no IRQ resource\n");
+		return -EINVAL;
+	}
+
+	up = kzalloc(sizeof(struct ar933x_uart_port), GFP_KERNEL);
+	if (!up)
+		return -ENOMEM;
+
+	port = &up->port;
+	port->mapbase = mem_res->start;
+
+	port->membase = ioremap(mem_res->start, AR933X_UART_REGS_SIZE);
+	if (!port->membase) {
+		ret = -ENOMEM;
+		goto err_free_up;
+	}
+
+	port->line = id;
+	port->irq = irq_res->start;
+	port->dev = &pdev->dev;
+	port->type = PORT_AR933X;
+	port->iotype = UPIO_MEM32;
+	port->uartclk = pdata->uartclk;
+
+	port->regshift = 2;
+	port->fifosize = AR933X_UART_FIFO_SIZE;
+	port->ops = &ar933x_uart_ops;
+
+	ar933x_uart_add_console_port(up);
+
+	ret = uart_add_one_port(&ar933x_uart_driver, &up->port);
+	if (ret)
+		goto err_unmap;
+
+	platform_set_drvdata(pdev, up);
+	return 0;
+
+err_unmap:
+	iounmap(up->port.membase);
+err_free_up:
+	kfree(up);
+	return ret;
+}
+
+static int __devexit ar933x_uart_remove(struct platform_device *pdev)
+{
+	struct ar933x_uart_port *up;
+
+	up = platform_get_drvdata(pdev);
+	platform_set_drvdata(pdev, NULL);
+
+	if (up) {
+		uart_remove_one_port(&ar933x_uart_driver, &up->port);
+		iounmap(up->port.membase);
+		kfree(up);
+	}
+
+	return 0;
+}
+
+static struct platform_driver ar933x_uart_platform_driver = {
+	.probe		= ar933x_uart_probe,
+	.remove		= __devexit_p(ar933x_uart_remove),
+	.driver		= {
+		.name		= DRIVER_NAME,
+		.owner		= THIS_MODULE,
+	},
+};
+
+static int __init ar933x_uart_init(void)
+{
+	int ret;
+
+	ar933x_uart_driver.nr = CONFIG_SERIAL_AR933X_NR_UARTS;
+	ret = uart_register_driver(&ar933x_uart_driver);
+	if (ret)
+		goto err_out;
+
+	ret = platform_driver_register(&ar933x_uart_platform_driver);
+	if (ret)
+		goto err_unregister_uart_driver;
+
+	return 0;
+
+err_unregister_uart_driver:
+	uart_unregister_driver(&ar933x_uart_driver);
+err_out:
+	return ret;
+}
+
+static void __exit ar933x_uart_exit(void)
+{
+	platform_driver_unregister(&ar933x_uart_platform_driver);
+	uart_unregister_driver(&ar933x_uart_driver);
+}
+
+module_init(ar933x_uart_init);
+module_exit(ar933x_uart_exit);
+
+MODULE_DESCRIPTION("Atheros AR933X UART driver");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ehci-ar71xx.c b/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ehci-ar71xx.c
new file mode 100644
index 0000000000..b08db5baf6
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ehci-ar71xx.c
@@ -0,0 +1,242 @@
+/*
+ *  Bus Glue for Atheros AR71xx built-in EHCI controller.
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Parts of this file are based on Atheros' 2.6.15 BSP
+ *	Copyright (C) 2007 Atheros Communications, Inc.
+ *
+ *  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.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+#include <asm/mach-ar71xx/platform.h>
+
+extern int usb_disabled(void);
+
+static int ehci_ar71xx_init(struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	int ret;
+
+	ehci->caps = hcd->regs;
+	ehci->regs = hcd->regs +
+			HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+
+	ehci->sbrn = 0x20;
+	ehci->has_synopsys_hc_bug = 1;
+
+	ehci_reset(ehci);
+
+	ret = ehci_init(hcd);
+	if (ret)
+		return ret;
+
+	ehci_port_power(ehci, 0);
+
+	return 0;
+}
+
+static int ehci_ar91xx_init(struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	int ret;
+
+	ehci->caps = hcd->regs + 0x100;
+	ehci->regs = hcd->regs + 0x100 +
+			HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+
+	hcd->has_tt = 1;
+	ehci->sbrn = 0x20;
+
+	ehci_reset(ehci);
+
+	ret = ehci_init(hcd);
+	if (ret)
+		return ret;
+
+	ehci_port_power(ehci, 0);
+
+	return 0;
+}
+
+static int ehci_ar71xx_probe(const struct hc_driver *driver,
+			     struct usb_hcd **hcd_out,
+			     struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct resource *res;
+	int irq;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+	irq = res->start;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_dbg(&pdev->dev, "no base address specified for %s\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+	if (!hcd)
+		return -ENOMEM;
+
+	hcd->rsrc_start	= res->start;
+	hcd->rsrc_len	= res->end - res->start + 1;
+
+	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+		dev_dbg(&pdev->dev, "controller already in use\n");
+		ret = -EBUSY;
+		goto err_put_hcd;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (!hcd->regs) {
+		dev_dbg(&pdev->dev, "error mapping memory\n");
+		ret = -EFAULT;
+		goto err_release_region;
+	}
+
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+	if (ret)
+		goto err_iounmap;
+
+	return 0;
+
+err_iounmap:
+	iounmap(hcd->regs);
+
+err_release_region:
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err_put_hcd:
+	usb_put_hcd(hcd);
+	return ret;
+}
+
+static void ehci_ar71xx_remove(struct usb_hcd *hcd,
+			       struct platform_device *pdev)
+{
+	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+}
+
+static const struct hc_driver ehci_ar71xx_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "Atheros AR71xx built-in EHCI controller",
+	.hcd_priv_size		= sizeof(struct ehci_hcd),
+
+	.irq			= ehci_irq,
+	.flags			= HCD_MEMORY | HCD_USB2,
+
+	.reset			= ehci_ar71xx_init,
+	.start			= ehci_run,
+	.stop			= ehci_stop,
+	.shutdown		= ehci_shutdown,
+
+	.urb_enqueue		= ehci_urb_enqueue,
+	.urb_dequeue		= ehci_urb_dequeue,
+	.endpoint_disable	= ehci_endpoint_disable,
+	.endpoint_reset		= ehci_endpoint_reset,
+
+	.get_frame_number	= ehci_get_frame,
+
+	.hub_status_data	= ehci_hub_status_data,
+	.hub_control		= ehci_hub_control,
+#ifdef CONFIG_PM
+	.hub_suspend		= ehci_hub_suspend,
+	.hub_resume		= ehci_hub_resume,
+#endif
+	.relinquish_port	= ehci_relinquish_port,
+	.port_handed_over	= ehci_port_handed_over,
+
+	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static const struct hc_driver ehci_ar91xx_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "Atheros AR91xx built-in EHCI controller",
+	.hcd_priv_size		= sizeof(struct ehci_hcd),
+	.irq			= ehci_irq,
+	.flags			= HCD_MEMORY | HCD_USB2,
+
+	.reset			= ehci_ar91xx_init,
+	.start			= ehci_run,
+	.stop			= ehci_stop,
+	.shutdown		= ehci_shutdown,
+
+	.urb_enqueue		= ehci_urb_enqueue,
+	.urb_dequeue		= ehci_urb_dequeue,
+	.endpoint_disable	= ehci_endpoint_disable,
+	.endpoint_reset		= ehci_endpoint_reset,
+
+	.get_frame_number	= ehci_get_frame,
+
+	.hub_status_data	= ehci_hub_status_data,
+	.hub_control		= ehci_hub_control,
+#ifdef CONFIG_PM
+	.hub_suspend		= ehci_hub_suspend,
+	.hub_resume		= ehci_hub_resume,
+#endif
+	.relinquish_port	= ehci_relinquish_port,
+	.port_handed_over	= ehci_port_handed_over,
+
+	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static int ehci_ar71xx_driver_probe(struct platform_device *pdev)
+{
+	struct ar71xx_ehci_platform_data *pdata;
+	struct usb_hcd *hcd = NULL;
+	int ret;
+
+	if (usb_disabled())
+		return -ENODEV;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data specified for %s\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+
+	if (pdata->is_ar91xx)
+		ret = ehci_ar71xx_probe(&ehci_ar91xx_hc_driver, &hcd, pdev);
+	else
+		ret = ehci_ar71xx_probe(&ehci_ar71xx_hc_driver, &hcd, pdev);
+
+	return ret;
+}
+
+static int ehci_ar71xx_driver_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+	ehci_ar71xx_remove(hcd, pdev);
+	return 0;
+}
+
+MODULE_ALIAS("platform:ar71xx-ehci");
+
+static struct platform_driver ehci_ar71xx_driver = {
+	.probe		= ehci_ar71xx_driver_probe,
+	.remove		= ehci_ar71xx_driver_remove,
+	.driver = {
+		.name	= "ar71xx-ehci",
+	}
+};
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ohci-ar71xx.c b/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ohci-ar71xx.c
new file mode 100644
index 0000000000..1ab33f3bf4
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/usb/host/ohci-ar71xx.c
@@ -0,0 +1,165 @@
+/*
+ *  OHCI HCD (Host Controller Driver) for USB.
+ *
+ *  Bus Glue for Atheros AR71xx built-in OHCI controller.
+ *
+ *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Parts of this file are based on Atheros' 2.6.15 BSP
+ *	Copyright (C) 2007 Atheros Communications, Inc.
+ *
+ *  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.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+extern int usb_disabled(void);
+
+static int usb_hcd_ar71xx_probe(const struct hc_driver *driver,
+				struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct resource *res;
+	int irq;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+	irq = res->start;
+
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+	if (!hcd)
+		return -ENOMEM;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_dbg(&pdev->dev, "no base address specified for %s\n",
+			dev_name(&pdev->dev));
+		ret = -ENODEV;
+		goto err_put_hcd;
+	}
+	hcd->rsrc_start	= res->start;
+	hcd->rsrc_len	= res->end - res->start + 1;
+
+	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+		dev_dbg(&pdev->dev, "controller already in use\n");
+		ret = -EBUSY;
+		goto err_put_hcd;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (!hcd->regs) {
+		dev_dbg(&pdev->dev, "error mapping memory\n");
+		ret = -EFAULT;
+		goto err_release_region;
+	}
+
+	ohci_hcd_init(hcd_to_ohci(hcd));
+
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	if (ret)
+		goto err_stop_hcd;
+
+	return 0;
+
+err_stop_hcd:
+	iounmap(hcd->regs);
+err_release_region:
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err_put_hcd:
+	usb_put_hcd(hcd);
+	return ret;
+}
+
+void usb_hcd_ar71xx_remove(struct usb_hcd *hcd, struct platform_device *pdev)
+{
+	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+}
+
+static int __devinit ohci_ar71xx_start(struct usb_hcd *hcd)
+{
+	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);
+	int ret;
+
+	ret = ohci_init(ohci);
+	if (ret < 0)
+		return ret;
+
+	ret = ohci_run(ohci);
+	if (ret < 0)
+		goto err;
+
+	return 0;
+
+err:
+	ohci_stop(hcd);
+	return ret;
+}
+
+static const struct hc_driver ohci_ar71xx_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "Atheros AR71xx built-in OHCI controller",
+	.hcd_priv_size		= sizeof(struct ohci_hcd),
+
+	.irq			= ohci_irq,
+	.flags			= HCD_USB11 | HCD_MEMORY,
+
+	.start			= ohci_ar71xx_start,
+	.stop			= ohci_stop,
+	.shutdown		= ohci_shutdown,
+
+	.urb_enqueue		= ohci_urb_enqueue,
+	.urb_dequeue		= ohci_urb_dequeue,
+	.endpoint_disable	= ohci_endpoint_disable,
+
+	/*
+	 * scheduling support
+	 */
+	.get_frame_number	= ohci_get_frame,
+
+	/*
+	 * root hub support
+	 */
+	.hub_status_data	= ohci_hub_status_data,
+	.hub_control		= ohci_hub_control,
+	.start_port_reset	= ohci_start_port_reset,
+};
+
+static int ohci_hcd_ar71xx_drv_probe(struct platform_device *pdev)
+{
+	if (usb_disabled())
+		return -ENODEV;
+
+	return usb_hcd_ar71xx_probe(&ohci_ar71xx_hc_driver, pdev);
+}
+
+static int ohci_hcd_ar71xx_drv_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+	usb_hcd_ar71xx_remove(hcd, pdev);
+	return 0;
+}
+
+MODULE_ALIAS("platform:ar71xx-ohci");
+
+static struct platform_driver ohci_hcd_ar71xx_driver = {
+	.probe		= ohci_hcd_ar71xx_drv_probe,
+	.remove		= ohci_hcd_ar71xx_drv_remove,
+	.shutdown	= usb_hcd_platform_shutdown,
+	.driver		= {
+		.name	= "ar71xx-ohci",
+		.owner	= THIS_MODULE,
+	},
+};
diff --git a/target/linux/ar71xx/files-2.6.39/drivers/watchdog/ar71xx_wdt.c b/target/linux/ar71xx/files-2.6.39/drivers/watchdog/ar71xx_wdt.c
new file mode 100644
index 0000000000..d5e1f8a3ca
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/drivers/watchdog/ar71xx_wdt.c
@@ -0,0 +1,305 @@
+/*
+ * Driver for the Atheros AR71xx SoC's built-in hardware watchdog timer.
+ *
+ * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Parts of this file are based on Atheros 2.6.31 BSP
+ *
+ * This driver was based on: drivers/watchdog/ixp4xx_wdt.c
+ *	Author: Deepak Saxena <dsaxena@plexity.net>
+ *	Copyright 2004 (c) MontaVista, Software, Inc.
+ *
+ * which again was based on sa1100 driver,
+ *	Copyright (C) 2000 Oleg Drokin <green@crimea.edu>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+#include <linux/delay.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#define DRV_NAME	"ar71xx-wdt"
+#define DRV_DESC	"Atheros AR71xx hardware watchdog driver"
+#define DRV_VERSION	"0.1.0"
+
+#define WDT_TIMEOUT	15	/* seconds */
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+
+#ifdef CONFIG_WATCHDOG_NOWAYOUT
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
+			   "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+#endif
+
+static unsigned long wdt_flags;
+
+#define WDT_FLAGS_BUSY		0
+#define WDT_FLAGS_EXPECT_CLOSE	1
+
+static int wdt_timeout = WDT_TIMEOUT;
+static int boot_status;
+static int max_timeout;
+static u32 wdt_clk_freq;
+
+static inline void ar71xx_wdt_keepalive(void)
+{
+	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG, wdt_clk_freq * wdt_timeout);
+}
+
+static inline void ar71xx_wdt_enable(void)
+{
+	printk(KERN_DEBUG DRV_NAME ": enabling watchdog timer\n");
+	ar71xx_wdt_keepalive();
+	udelay(2);
+	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_FCR);
+}
+
+static inline void ar71xx_wdt_disable(void)
+{
+	printk(KERN_DEBUG DRV_NAME ": disabling watchdog timer\n");
+	ar71xx_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_NONE);
+}
+
+static int ar71xx_wdt_set_timeout(int val)
+{
+	if (val < 1 || val > max_timeout)
+		return -EINVAL;
+
+	wdt_timeout = val;
+	ar71xx_wdt_keepalive();
+
+	printk(KERN_DEBUG DRV_NAME ": timeout=%d secs\n", wdt_timeout);
+
+	return 0;
+}
+
+static int ar71xx_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(WDT_FLAGS_BUSY, &wdt_flags))
+		return -EBUSY;
+
+	clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
+
+	ar71xx_wdt_enable();
+
+	return nonseekable_open(inode, file);
+}
+
+static int ar71xx_wdt_release(struct inode *inode, struct file *file)
+{
+	if (test_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags)) {
+		ar71xx_wdt_disable();
+	} else {
+		printk(KERN_CRIT DRV_NAME ": device closed unexpectedly, "
+					"watchdog timer will not stop!\n");
+	}
+
+	clear_bit(WDT_FLAGS_BUSY, &wdt_flags);
+	clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
+
+	return 0;
+}
+
+static ssize_t ar71xx_wdt_write(struct file *file, const char *data,
+				size_t len, loff_t *ppos)
+{
+	if (len) {
+		if (!nowayout) {
+			size_t i;
+
+			clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
+
+			for (i = 0; i != len; i++) {
+				char c;
+
+				if (get_user(c, data + i))
+					return -EFAULT;
+
+				if (c == 'V')
+					set_bit(WDT_FLAGS_EXPECT_CLOSE,
+						&wdt_flags);
+			}
+		}
+
+		ar71xx_wdt_keepalive();
+	}
+
+	return len;
+}
+
+static struct watchdog_info ar71xx_wdt_info = {
+	.options		= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+				  WDIOF_MAGICCLOSE | WDIOF_CARDRESET,
+	.firmware_version	= 0,
+	.identity		= "AR71XX watchdog",
+};
+
+static long ar71xx_wdt_ioctl(struct file *file,
+			    unsigned int cmd, unsigned long arg)
+{
+	int t;
+	int ret;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		ret = copy_to_user((struct watchdog_info *)arg,
+				   &ar71xx_wdt_info,
+				   sizeof(ar71xx_wdt_info)) ? -EFAULT : 0;
+		break;
+
+	case WDIOC_GETSTATUS:
+		ret = put_user(0, (int *)arg) ? -EFAULT : 0;
+		break;
+
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(boot_status, (int *)arg) ? -EFAULT : 0;
+		break;
+
+	case WDIOC_KEEPALIVE:
+		ar71xx_wdt_keepalive();
+		ret = 0;
+		break;
+
+	case WDIOC_SETTIMEOUT:
+		ret = get_user(t, (int *)arg) ? -EFAULT : 0;
+		if (ret)
+			break;
+
+		ret = ar71xx_wdt_set_timeout(t);
+		if (ret)
+			break;
+
+		/* fallthrough */
+	case WDIOC_GETTIMEOUT:
+		ret = put_user(wdt_timeout, (int *)arg) ? -EFAULT : 0;
+		break;
+
+	default:
+		ret = -ENOTTY;
+		break;
+	}
+
+	return ret;
+}
+
+static const struct file_operations ar71xx_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.write		= ar71xx_wdt_write,
+	.unlocked_ioctl	= ar71xx_wdt_ioctl,
+	.open		= ar71xx_wdt_open,
+	.release	= ar71xx_wdt_release,
+};
+
+static struct miscdevice ar71xx_wdt_miscdev = {
+	.minor = WATCHDOG_MINOR,
+	.name = "watchdog",
+	.fops = &ar71xx_wdt_fops,
+};
+
+static int __devinit ar71xx_wdt_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	switch (ar71xx_soc) {
+	case AR71XX_SOC_AR7130:
+	case AR71XX_SOC_AR7141:
+	case AR71XX_SOC_AR7161:
+	case AR71XX_SOC_AR7240:
+	case AR71XX_SOC_AR7241:
+	case AR71XX_SOC_AR7242:
+	case AR71XX_SOC_AR9130:
+	case AR71XX_SOC_AR9132:
+		wdt_clk_freq = ar71xx_ahb_freq;
+		break;
+
+	case AR71XX_SOC_AR9330:
+	case AR71XX_SOC_AR9331:
+	case AR71XX_SOC_AR9341:
+	case AR71XX_SOC_AR9342:
+	case AR71XX_SOC_AR9344:
+		wdt_clk_freq = ar71xx_ref_freq;
+		break;
+
+	default:
+		BUG();
+	}
+
+	max_timeout = (0xfffffffful / wdt_clk_freq);
+	wdt_timeout = (max_timeout < WDT_TIMEOUT) ? max_timeout : WDT_TIMEOUT;
+
+	if (ar71xx_reset_rr(AR71XX_RESET_REG_WDOG_CTRL) & WDOG_CTRL_LAST_RESET)
+		boot_status = WDIOF_CARDRESET;
+
+	ret = misc_register(&ar71xx_wdt_miscdev);
+	if (ret)
+		goto err_out;
+
+	printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
+
+	printk(KERN_DEBUG DRV_NAME ": timeout=%d secs (max=%d)\n",
+					wdt_timeout, max_timeout);
+
+	return 0;
+
+err_out:
+	return ret;
+}
+
+static int __devexit ar71xx_wdt_remove(struct platform_device *pdev)
+{
+	misc_deregister(&ar71xx_wdt_miscdev);
+	return 0;
+}
+
+static void ar71xx_wdt_shutdown(struct platform_device *pdev)
+{
+	ar71xx_wdt_disable();
+}
+
+static struct platform_driver ar71xx_wdt_driver = {
+	.probe		= ar71xx_wdt_probe,
+	.remove		= __devexit_p(ar71xx_wdt_remove),
+	.shutdown	= ar71xx_wdt_shutdown,
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init ar71xx_wdt_init(void)
+{
+	return platform_driver_register(&ar71xx_wdt_driver);
+}
+module_init(ar71xx_wdt_init);
+
+static void __exit ar71xx_wdt_exit(void)
+{
+	platform_driver_unregister(&ar71xx_wdt_driver);
+}
+module_exit(ar71xx_wdt_exit);
+
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org");
+MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);