Merge branch 'adm8668'

SVN-Revision: 23900

17 files changed, 3366 insertions, 0 deletions

diff --git a/target/linux/adm8668/files/arch/mips/adm8668/Makefile b/target/linux/adm8668/files/arch/mips/adm8668/Makefile
new file mode 100644
index 0000000000..0b31b97d48
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/Makefile
@@ -0,0 +1,5 @@
+#
+# something witty  --neutronscott
+#
+
+obj-y	 	:= irq.o pci.o prom.o platform.o serial.o proc.o net_core.o net_intr.o
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/Platform b/target/linux/adm8668/files/arch/mips/adm8668/Platform
new file mode 100644
index 0000000000..c70cd270be
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/Platform
@@ -0,0 +1,6 @@
+#
+# Infineon ADM8668 WildPass
+#
+platform-$(CONFIG_ADM8668)	+= adm8668/
+cflags-$(CONFIG_ADM8668)	+= -I$(srctree)/arch/mips/include/asm/mach-adm8668
+load-$(CONFIG_ADM8668)		+= 0xffffffff80002000
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/irq.c b/target/linux/adm8668/files/arch/mips/adm8668/irq.c
new file mode 100644
index 0000000000..aac2ff4e0b
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/irq.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+#include <linux/pm.h>
+#include <linux/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/irq_cpu.h>
+#include <asm/irq.h>
+#include <adm8668.h>
+
+
+void enable_adm8668_irq(unsigned int irq);
+void disable_adm8668_irq(unsigned int irq);
+void adm8668_irq_cascade(void);
+
+void plat_irq_dispatch(void)
+{
+	unsigned int pending;
+
+	pending = read_c0_cause() & read_c0_status() & ST0_IM;
+
+	/* timer interrupt, that we renumbered */
+	if (pending & STATUSF_IP7)
+		do_IRQ(MIPS_CPU_IRQ_BASE + 7);
+	if (pending & STATUSF_IP2)
+		adm8668_irq_cascade();
+}
+
+/*
+ * System irq dispatch
+ */
+void adm8668_irq_cascade()
+{
+	int i;
+	unsigned long intsrc;
+
+	intsrc = ADM8668_INTC_REG(IRQ_STATUS_REG) & IRQ_MASK;
+	for (i = 0; intsrc; intsrc >>= 1, i++)
+		if (intsrc & 0x1)
+			do_IRQ(i);
+}
+
+/*
+ * irq enable
+ */
+static __inline void _irq_enable(int irql)
+{
+	ADM8668_INTC_REG(IRQ_ENABLE_REG) = (1 << irql);
+}
+
+
+/*
+ * irq disable
+ */
+static __inline void _irq_disable(int irql)
+{
+	ADM8668_INTC_REG(IRQ_DISABLE_REG) = (1 << irql);
+}
+
+
+/*
+ * enable 8668 irq
+ */
+void enable_adm8668_irq(unsigned int irq)
+{
+	if ((irq < 0) || (irq > NR_IRQS))
+		return;
+
+	_irq_enable(irq);
+}
+
+
+/*
+ * disable 8668 irq
+ */
+void disable_adm8668_irq(unsigned int irq)
+{
+	if ((irq < 0) || (irq > NR_IRQS))
+		return;
+
+	_irq_disable(irq);
+}
+
+static inline void ack_adm8668_irq(unsigned int irq_nr)
+{
+	ADM8668_INTC_REG(IRQ_DISABLE_REG) = (1 << irq_nr);
+}
+
+/*
+ * system irq type
+ */
+
+static struct irq_chip adm8668_irq_type = {
+	.name = "adm8668",
+	.ack = ack_adm8668_irq,
+	.mask = disable_adm8668_irq,
+	.unmask = enable_adm8668_irq
+};
+
+/*
+ * irq init
+ */
+void __init init_adm8668_irqs(void)
+{
+	int i;
+
+	for (i = 0; i <= INT_LVL_MAX; i++)
+		set_irq_chip_and_handler(i, &adm8668_irq_type,
+			handle_level_irq);
+
+	/* hw0 is where our interrupts are uh.. interrupted at. */
+	set_c0_status(IE_IRQ0);
+}
+
+/*
+ * system init
+ */
+void __init arch_init_irq(void)
+{
+	mips_cpu_irq_init();
+	init_adm8668_irqs();
+}
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/net.h b/target/linux/adm8668/files/arch/mips/adm8668/net.h
new file mode 100644
index 0000000000..2705a35833
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/net.h
@@ -0,0 +1,276 @@
+/*
+ * originally drivers/net/tulip/tulip.h
+ *   Copyright 2000,2001  The Linux Kernel Team
+ *   Written/copyright 1994-2001 by Donald Becker.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __NET_TULIP_H__
+#define __NET_TULIP_H__
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/mii.h>
+#include <linux/crc32.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <asm/unaligned.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+/* undefine, or define to various debugging levels (>4 == obscene levels) */
+#define TULIP_DEBUG 1
+#define	VALID_INTR	0x0001a451
+#define	ADM8668_WAN_IRQ		8
+#define	ADM8668_LAN_IRQ		7
+#define	ADM8668_WAN_MACADDR	0xb00205ac
+#define	ADM8668_LAN_MACADDR	0xb0020404
+
+/* Offsets to the Command and Status Registers, "CSRs".  All accesses
+   must be longword instructions and quadword aligned. */
+enum tulip_offsets {
+	CSR0 = 0,
+	CSR1 = 0x08,
+	CSR2 = 0x10,
+	CSR3 = 0x18,
+	CSR4 = 0x20,
+	CSR5 = 0x28,
+	CSR6 = 0x30,
+	CSR7 = 0x38,
+	CSR8 = 0x40,
+	CSR9 = 0x48,
+	CSR10 = 0x50,
+	CSR11 = 0x58,
+	CSR12 = 0x60,
+	CSR13 = 0x68,
+	CSR14 = 0x70,
+	CSR15 = 0x78,
+	CSR18 = 0x88,
+	CSR19 = 0x8c,
+	CSR20 = 0x90,
+	CSR27 = 0xAC,
+	CSR28 = 0xB0,
+};
+
+#define RxPollInt (RxIntr|RxNoBuf|RxDied|RxJabber)
+
+/* The bits in the CSR5 status registers, mostly interrupt sources. */
+enum status_bits {
+	TimerInt = 0x800,
+	SystemError = 0x2000,
+	TPLnkFail = 0x1000,
+	TPLnkPass = 0x10,
+	NormalIntr = 0x10000,
+	AbnormalIntr = 0x8000,
+	RxJabber = 0x200,
+	RxDied = 0x100,
+	RxNoBuf = 0x80,
+	RxIntr = 0x40,
+	TxFIFOUnderflow = 0x20,
+	RxErrIntr = 0x10,
+	TxJabber = 0x08,
+	TxNoBuf = 0x04,
+	TxDied = 0x02,
+	TxIntr = 0x01,
+};
+
+/* bit mask for CSR5 TX/RX process state */
+#define CSR5_TS	0x00700000
+#define CSR5_RS	0x000e0000
+
+enum tulip_mode_bits {
+	TxThreshold		= (1 << 22),
+	FullDuplex		= (1 << 9),
+	TxOn			= 0x2000,
+	AcceptBroadcast		= 0x0100,
+	AcceptAllMulticast	= 0x0080,
+	AcceptAllPhys		= 0x0040,
+	AcceptRunt		= 0x0008,
+	RxOn			= 0x0002,
+	RxTx			= (TxOn | RxOn),
+};
+
+/* The Tulip Rx and Tx buffer descriptors. */
+struct tulip_rx_desc {
+	__le32 status;
+	__le32 length;
+	__le32 buffer1;
+	__le32 buffer2;
+};
+
+struct tulip_tx_desc {
+	__le32 status;
+	__le32 length;
+	__le32 buffer1;
+	__le32 buffer2;		/* We use only buffer 1.  */
+};
+
+enum desc_status_bits {
+	DescOwned    = 0x80000000,
+	DescWholePkt = 0x60000000,
+	DescEndPkt   = 0x40000000,
+	DescStartPkt = 0x20000000,
+	DescEndRing  = 0x02000000,
+	DescUseLink  = 0x01000000,
+
+	/*
+	 * Error summary flag is logical or of 'CRC Error', 'Collision Seen',
+	 * 'Frame Too Long', 'Runt' and 'Descriptor Error' flags generated
+	 * within tulip chip.
+	 */
+	RxDescErrorSummary = 0x8000,
+	RxDescCRCError = 0x0002,
+	RxDescCollisionSeen = 0x0040,
+
+	/*
+	 * 'Frame Too Long' flag is set if packet length including CRC exceeds
+	 * 1518.  However, a full sized VLAN tagged frame is 1522 bytes
+	 * including CRC.
+	 *
+	 * The tulip chip does not block oversized frames, and if this flag is
+	 * set on a receive descriptor it does not indicate the frame has been
+	 * truncated.  The receive descriptor also includes the actual length.
+	 * Therefore we can safety ignore this flag and check the length
+	 * ourselves.
+	 */
+	RxDescFrameTooLong = 0x0080,
+	RxDescRunt = 0x0800,
+	RxDescDescErr = 0x4000,
+	RxWholePkt   = 0x00000300,
+	/*
+	 * Top three bits of 14 bit frame length (status bits 27-29) should
+	 * never be set as that would make frame over 2047 bytes. The Receive
+	 * Watchdog flag (bit 4) may indicate the length is over 2048 and the
+	 * length field is invalid.
+	 */
+	RxLengthOver2047 = 0x38000010
+};
+
+/* Keep the ring sizes a power of two for efficiency.
+   Making the Tx ring too large decreases the effectiveness of channel
+   bonding and packet priority.
+   There are no ill effects from too-large receive rings. */
+
+#define TX_RING_SIZE	32
+#define RX_RING_SIZE	128
+
+/* The receiver on the DC21143 rev 65 can fail to close the last
+ * receive descriptor in certain circumstances (see errata) when
+ * using MWI. This can only occur if the receive buffer ends on
+ * a cache line boundary, so the "+ 4" below ensures it doesn't.
+ */
+#define PKT_BUF_SZ	(1536 + 4)	/* Size of each temporary Rx buffer. */
+
+/* Ring-wrap flag in length field, use for last ring entry.
+	0x01000000 means chain on buffer2 address,
+	0x02000000 means use the ring start address in CSR2/3.
+   Note: Some work-alike chips do not function correctly in chained mode.
+   The ASIX chip works only in chained mode.
+   Thus we indicates ring mode, but always write the 'next' field for
+   chained mode as well.
+*/
+#define DESC_RING_WRAP 0x02000000
+
+struct ring_info {
+	struct sk_buff	*skb;
+	dma_addr_t	mapping;
+};
+
+struct tulip_private {
+	struct tulip_rx_desc *rx_ring;
+	struct tulip_tx_desc *tx_ring;
+	dma_addr_t rx_ring_dma;
+	dma_addr_t tx_ring_dma;
+	/* The saved address of a sent-in-place packet/buffer, for skfree(). */
+	struct ring_info tx_buffers[TX_RING_SIZE];
+	/* The addresses of receive-in-place skbuffs. */
+	struct ring_info rx_buffers[RX_RING_SIZE];
+	struct napi_struct napi;
+	struct net_device_stats stats;
+	struct timer_list oom_timer;    /* Out of memory timer. */
+	u32 mc_filter[2];
+	spinlock_t lock;
+	unsigned int cur_rx, cur_tx;	/* The next free ring entry */
+	unsigned int dirty_rx, dirty_tx;	/* The ring entries to be free()ed. */
+	unsigned int csr0;	/* CSR0 setting. */
+	unsigned int csr6;	/* Current CSR6 control settings. */
+	void (*link_change) (struct net_device * dev, int csr5);
+	struct platform_device *pdev;
+	unsigned long nir;
+	void __iomem *base_addr;
+	int pad0;		/* Used for 8-byte alignment */
+	struct net_device *dev;
+};
+
+
+/* interrupt.c */
+irqreturn_t tulip_interrupt(int irq, void *dev_instance);
+int tulip_refill_rx(struct net_device *dev);
+int tulip_poll(struct napi_struct *napi, int budget);
+
+/* tulip_core.c */
+extern int tulip_debug;
+void oom_timer(unsigned long data);
+
+static inline void tulip_start_rxtx(struct tulip_private *tp)
+{
+	void __iomem *ioaddr = tp->base_addr;
+	iowrite32(tp->csr6 | RxTx, ioaddr + CSR6);
+	barrier();
+	(void) ioread32(ioaddr + CSR6); /* mmio sync */
+}
+
+static inline void tulip_stop_rxtx(struct tulip_private *tp)
+{
+	void __iomem *ioaddr = tp->base_addr;
+	u32 csr6 = ioread32(ioaddr + CSR6);
+
+	if (csr6 & RxTx) {
+		unsigned i=1300/10;
+		iowrite32(csr6 & ~RxTx, ioaddr + CSR6);
+		barrier();
+		/* wait until in-flight frame completes.
+		 * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin)
+		 * Typically expect this loop to end in < 50 us on 100BT.
+		 */
+		while (--i && (ioread32(ioaddr + CSR5) & (CSR5_TS|CSR5_RS)))
+			udelay(10);
+
+		if (!i)
+			printk(KERN_DEBUG "fixme: tulip_stop_rxtx() failed"
+					" (CSR5 0x%x CSR6 0x%x)\n",
+					ioread32(ioaddr + CSR5),
+					ioread32(ioaddr + CSR6));
+	}
+}
+
+static inline void tulip_restart_rxtx(struct tulip_private *tp)
+{
+	tulip_stop_rxtx(tp);
+	udelay(5);
+	tulip_start_rxtx(tp);
+}
+
+static inline void tulip_tx_timeout_complete(struct tulip_private *tp, void __iomem *ioaddr)
+{
+	/* Stop and restart the chip's Tx processes. */
+	tulip_restart_rxtx(tp);
+	/* Trigger an immediate transmit demand. */
+	iowrite32(0, ioaddr + CSR1);
+
+	tp->stats.tx_errors++;
+}
+
+#endif /* __NET_TULIP_H__ */
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/net_core.c b/target/linux/adm8668/files/arch/mips/adm8668/net_core.c
new file mode 100644
index 0000000000..85a5adb7d8
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/net_core.c
@@ -0,0 +1,617 @@
+/*
+ * originally drivers/net/tulip_core.c
+ *   Copyright 2000,2001  The Linux Kernel Team
+ *   Written/copyright 1994-2001 by Donald Becker.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#define DRV_NAME	"tulip"
+#define DRV_VERSION	"1.1.15-NAPI" /* Keep at least for test */
+#define DRV_RELDATE	"Feb 27, 2007"
+
+#include "net.h"
+
+static char version[] __devinitdata =
+	"ADM8668net driver version " DRV_VERSION " (" DRV_RELDATE ")\n";
+
+#define	MAX_UNITS	2
+
+/*
+  Set the bus performance register.
+	Typical: Set 16 longword cache alignment, no burst limit.
+	Cache alignment bits 15:14	     Burst length 13:8
+		0000	No alignment		0x00000000 unlimited	0800 8 longwords
+		4000	8  longwords		0100 1 longword		1000 16 longwords
+		8000	16 longwords		0200 2 longwords	2000 32 longwords
+		C000	32  longwords		0400 4 longwords
+	Warning: many older 486 systems are broken and require setting 0x00A04800
+	   8 longword cache alignment, 8 longword burst.
+	ToDo: Non-Intel setting could be better.
+*/
+
+//static int csr0 = 0x00200000 | 0x4000;
+static int csr0 = 0;
+
+/* Operational parameters that usually are not changed. */
+/* Time in jiffies before concluding the transmitter is hung. */
+#define TX_TIMEOUT  (4*HZ)
+
+MODULE_AUTHOR("Scott Nicholas <neutronscott@scottn.us>");
+MODULE_DESCRIPTION("ADM8668 new ethernet driver.");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+#ifdef TULIP_DEBUG
+int tulip_debug = TULIP_DEBUG;
+#else
+int tulip_debug = 1;
+#endif
+
+static void tulip_tx_timeout(struct net_device *dev);
+static void tulip_init_ring(struct net_device *dev);
+static void tulip_free_ring(struct net_device *dev);
+static netdev_tx_t tulip_start_xmit(struct sk_buff *skb,
+					  struct net_device *dev);
+static int tulip_open(struct net_device *dev);
+static int tulip_close(struct net_device *dev);
+static void tulip_up(struct net_device *dev);
+static void tulip_down(struct net_device *dev);
+static struct net_device_stats *tulip_get_stats(struct net_device *dev);
+//static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+static void set_rx_mode(struct net_device *dev);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void poll_tulip(struct net_device *dev);
+#endif
+
+static void tulip_up(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+
+	napi_enable(&tp->napi);
+
+	/* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
+	iowrite32(0x00000001, ioaddr + CSR0);
+
+	/* Deassert reset.
+	   Wait the specified 50 PCI cycles after a reset by initializing
+	   Tx and Rx queues and the address filter list. */
+	iowrite32(tp->csr0, ioaddr + CSR0);
+
+	if (tulip_debug > 1)
+		printk(KERN_DEBUG "%s: tulip_up(), irq==%d\n",
+		       dev->name, dev->irq);
+
+	iowrite32(tp->rx_ring_dma, ioaddr + CSR3);
+	iowrite32(tp->tx_ring_dma, ioaddr + CSR4);
+	tp->cur_rx = tp->cur_tx = 0;
+	tp->dirty_rx = tp->dirty_tx = 0;
+
+	/* set mac address */
+	iowrite32(get_unaligned_le32(dev->dev_addr), ioaddr + 0xA4);
+	iowrite32(get_unaligned_le16(dev->dev_addr + 4), ioaddr + 0xA8);
+	iowrite32(0, ioaddr + CSR27);
+	iowrite32(0, ioaddr + CSR28);
+
+	tp->csr6 = 0;
+
+	/* Enable automatic Tx underrun recovery. */
+	iowrite32(ioread32(ioaddr + CSR18) | 1, ioaddr + CSR18);
+	tp->csr6 = 0x00040000;
+
+	/* Start the chip's Tx to process setup frame. */
+	tulip_stop_rxtx(tp);
+	barrier();
+	udelay(5);
+	iowrite32(tp->csr6 | TxOn, ioaddr + CSR6);
+
+	/* Enable interrupts by setting the interrupt mask. */
+	iowrite32(VALID_INTR, ioaddr + CSR5);
+	iowrite32(VALID_INTR, ioaddr + CSR7);
+	tulip_start_rxtx(tp);
+	iowrite32(0, ioaddr + CSR2);		/* Rx poll demand */
+
+	if (tulip_debug > 2) {
+		printk(KERN_DEBUG "%s: Done tulip_up(), CSR0 %08x, CSR5 %08x CSR6 %08x\n",
+		       dev->name, ioread32(ioaddr + CSR0),
+		       ioread32(ioaddr + CSR5),
+		       ioread32(ioaddr + CSR6));
+	}
+
+	init_timer(&tp->oom_timer);
+        tp->oom_timer.data = (unsigned long)dev;
+        tp->oom_timer.function = oom_timer;
+}
+
+static int
+tulip_open(struct net_device *dev)
+{
+	int retval;
+
+	tulip_init_ring (dev);
+
+	retval = request_irq(dev->irq, tulip_interrupt, IRQF_SHARED, dev->name, dev);
+	if (retval)
+		goto free_ring;
+
+	tulip_up (dev);
+
+	netif_start_queue (dev);
+
+	return 0;
+
+free_ring:
+	tulip_free_ring (dev);
+	return retval;
+}
+
+
+static void tulip_tx_timeout(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+	unsigned long flags;
+
+	spin_lock_irqsave (&tp->lock, flags);
+
+	dev_warn(&dev->dev,
+		 "Transmit timed out, status %08x, CSR12 %08x, resetting...\n",
+		 ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR12));
+
+	tulip_tx_timeout_complete(tp, ioaddr);
+
+	spin_unlock_irqrestore (&tp->lock, flags);
+	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_wake_queue (dev);
+}
+
+
+/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
+static void tulip_init_ring(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	int i;
+
+	tp->nir = 0;
+
+	for (i = 0; i < RX_RING_SIZE; i++) {
+		tp->rx_ring[i].status = 0x00000000;
+		tp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ);
+		tp->rx_ring[i].buffer2 = cpu_to_le32(tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * (i + 1));
+		tp->rx_buffers[i].skb = NULL;
+		tp->rx_buffers[i].mapping = 0;
+	}
+	/* Mark the last entry as wrapping the ring. */
+	tp->rx_ring[i-1].length = cpu_to_le32(PKT_BUF_SZ | DESC_RING_WRAP);
+	tp->rx_ring[i-1].buffer2 = cpu_to_le32(tp->rx_ring_dma);
+
+	for (i = 0; i < RX_RING_SIZE; i++) {
+		dma_addr_t mapping;
+		/* Note the receive buffer must be longword aligned.
+		   dev_alloc_skb() provides 16 byte alignment.  But do *not*
+		   use skb_reserve() to align the IP header! */
+		struct sk_buff *skb = dev_alloc_skb(PKT_BUF_SZ);
+		tp->rx_buffers[i].skb = skb;
+		if (skb == NULL)
+			break;
+		mapping = dma_map_single(&dev->dev, skb->data,
+				PKT_BUF_SZ, DMA_FROM_DEVICE);
+		tp->rx_buffers[i].mapping = mapping;
+		skb->dev = dev;			/* Mark as being used by this device. */
+		tp->rx_ring[i].status = cpu_to_le32(DescOwned);	/* Owned by Tulip chip */
+		tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
+	}
+	tp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
+
+	/* The Tx buffer descriptor is filled in as needed, but we
+	   do need to clear the ownership bit. */
+	for (i = 0; i < TX_RING_SIZE; i++) {
+		tp->tx_buffers[i].skb = NULL;
+		tp->tx_buffers[i].mapping = 0;
+		tp->tx_ring[i].status = 0x00000000;
+		tp->tx_ring[i].buffer2 = cpu_to_le32(tp->tx_ring_dma + sizeof(struct tulip_tx_desc) * (i + 1));
+	}
+	tp->tx_ring[i-1].buffer2 = cpu_to_le32(tp->tx_ring_dma);
+}
+
+static netdev_tx_t
+tulip_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	int entry;
+	u32 flag;
+	dma_addr_t mapping;
+	unsigned long flags;
+
+	spin_lock_irqsave(&tp->lock, flags);
+
+	/* Calculate the next Tx descriptor entry. */
+	entry = tp->cur_tx % TX_RING_SIZE;
+
+	tp->tx_buffers[entry].skb = skb;
+	mapping = dma_map_single(&tp->pdev->dev, skb->data, skb->len,
+			DMA_TO_DEVICE);
+	tp->tx_buffers[entry].mapping = mapping;
+	tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
+
+	if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE/2) {/* Typical path */
+		flag = 0x60000000; /* No interrupt */
+	} else if (tp->cur_tx - tp->dirty_tx == TX_RING_SIZE/2) {
+		flag = 0xe0000000; /* Tx-done intr. */
+	} else if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE - 2) {
+		flag = 0x60000000; /* No Tx-done intr. */
+	} else {		/* Leave room for set_rx_mode() to fill entries. */
+		flag = 0xe0000000; /* Tx-done intr. */
+		netif_stop_queue(dev);
+	}
+	if (entry == TX_RING_SIZE-1)
+		flag = 0xe0000000 | DESC_RING_WRAP;
+
+	tp->tx_ring[entry].length = cpu_to_le32(skb->len | flag);
+	/* if we were using Transmit Automatic Polling, we would need a
+	 * wmb() here. */
+	tp->tx_ring[entry].status = cpu_to_le32(DescOwned);
+	wmb();
+
+	tp->cur_tx++;
+
+	/* Trigger an immediate transmit demand. */
+	iowrite32(0, tp->base_addr + CSR1);
+
+	spin_unlock_irqrestore(&tp->lock, flags);
+
+	return NETDEV_TX_OK;
+}
+
+static void tulip_clean_tx_ring(struct tulip_private *tp)
+{
+	unsigned int dirty_tx;
+
+	for (dirty_tx = tp->dirty_tx ; tp->cur_tx - dirty_tx > 0;
+		dirty_tx++) {
+		int entry = dirty_tx % TX_RING_SIZE;
+		int status = le32_to_cpu(tp->tx_ring[entry].status);
+
+		if (status < 0) {
+			tp->stats.tx_errors++;	/* It wasn't Txed */
+			tp->tx_ring[entry].status = 0;
+		}
+
+		dma_unmap_single(&tp->pdev->dev, tp->tx_buffers[entry].mapping,
+			tp->tx_buffers[entry].skb->len,
+			DMA_TO_DEVICE);
+
+		/* Free the original skb. */
+		dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
+		tp->tx_buffers[entry].skb = NULL;
+		tp->tx_buffers[entry].mapping = 0;
+	}
+}
+
+static void tulip_down (struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+	unsigned long flags;
+
+	napi_disable(&tp->napi);
+	del_timer_sync (&tp->oom_timer);
+	spin_lock_irqsave (&tp->lock, flags);
+
+	/* Disable interrupts by clearing the interrupt mask. */
+	iowrite32 (0x00000000, ioaddr + CSR7);
+
+	/* Stop the Tx and Rx processes. */
+	tulip_stop_rxtx(tp);
+
+	/* prepare receive buffers */
+	tulip_refill_rx(dev);
+
+	/* release any unconsumed transmit buffers */
+	tulip_clean_tx_ring(tp);
+
+	if (ioread32 (ioaddr + CSR6) != 0xffffffff)
+		tp->stats.rx_missed_errors += ioread32 (ioaddr + CSR8) & 0xffff;
+
+	spin_unlock_irqrestore (&tp->lock, flags);
+}
+
+static void tulip_free_ring (struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	int i;
+
+	/* Free all the skbuffs in the Rx queue. */
+	for (i = 0; i < RX_RING_SIZE; i++) {
+		struct sk_buff *skb = tp->rx_buffers[i].skb;
+		dma_addr_t mapping = tp->rx_buffers[i].mapping;
+
+		tp->rx_buffers[i].skb = NULL;
+		tp->rx_buffers[i].mapping = 0;
+
+		tp->rx_ring[i].status = 0;	/* Not owned by Tulip chip. */
+		tp->rx_ring[i].length = 0;
+		/* An invalid address. */
+		tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0);
+		if (skb) {
+			dma_unmap_single(&tp->pdev->dev, mapping, PKT_BUF_SZ,
+				DMA_FROM_DEVICE);
+			dev_kfree_skb (skb);
+		}
+	}
+
+	for (i = 0; i < TX_RING_SIZE; i++) {
+		struct sk_buff *skb = tp->tx_buffers[i].skb;
+
+		if (skb != NULL) {
+			dma_unmap_single(&tp->pdev->dev,
+				tp->tx_buffers[i].mapping, skb->len, DMA_TO_DEVICE);
+			dev_kfree_skb (skb);
+		}
+		tp->tx_buffers[i].skb = NULL;
+		tp->tx_buffers[i].mapping = 0;
+	}
+}
+
+static int tulip_close (struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+
+	netif_stop_queue (dev);
+
+	tulip_down (dev);
+
+	if (tulip_debug > 1)
+		dev_printk(KERN_DEBUG, &dev->dev,
+			   "Shutting down ethercard, status was %02x\n",
+			   ioread32 (ioaddr + CSR5));
+
+	free_irq (dev->irq, dev);
+
+	tulip_free_ring (dev);
+
+	return 0;
+}
+
+static struct net_device_stats *tulip_get_stats(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+
+	if (netif_running(dev)) {
+		unsigned long flags;
+
+		spin_lock_irqsave (&tp->lock, flags);
+
+		tp->stats.rx_missed_errors += ioread32(ioaddr + CSR8) & 0xffff;
+
+		spin_unlock_irqrestore(&tp->lock, flags);
+	}
+
+	return &tp->stats;
+}
+
+
+static void tulip_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+	strcpy(info->driver, DRV_NAME);
+	strcpy(info->version, DRV_VERSION);
+	strcpy(info->bus_info, "mmio");
+}
+
+static const struct ethtool_ops ops = {
+	.get_drvinfo = tulip_get_drvinfo
+};
+
+static void set_rx_mode(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+	int csr6;
+
+	csr6 = ioread32(ioaddr + CSR6) & ~0x00D5;
+
+	tp->csr6 &= ~0x00D5;
+	if (dev->flags & IFF_PROMISC) {			/* Set promiscuous. */
+		tp->csr6 |= AcceptAllMulticast | AcceptAllPhys;
+		csr6 |= AcceptAllMulticast | AcceptAllPhys;
+	} else if ((netdev_mc_count(dev) > 1000) ||
+		   (dev->flags & IFF_ALLMULTI)) {
+		/* Too many to filter well -- accept all multicasts. */
+		tp->csr6 |= AcceptAllMulticast;
+		csr6 |= AcceptAllMulticast;
+	} else {
+		/* Some work-alikes have only a 64-entry hash filter table. */
+		/* Should verify correctness on big-endian/__powerpc__ */
+		struct netdev_hw_addr *ha;
+		if (netdev_mc_count(dev) > 64) {
+			/* Arbitrary non-effective limit. */
+			tp->csr6 |= AcceptAllMulticast;
+			csr6 |= AcceptAllMulticast;
+		} else {
+			u32 mc_filter[2] = {0, 0};		 /* Multicast hash filter */
+			int filterbit;
+			netdev_for_each_mc_addr(ha, dev) {
+				filterbit = ether_crc_le(ETH_ALEN, ha->addr);
+				filterbit &= 0x3f;
+				mc_filter[filterbit >> 5] |= 1 << (filterbit & 31);
+				if (tulip_debug > 2)
+					dev_info(&dev->dev,
+						 "Added filter for %pM  %08x bit %d\n",
+						 ha->addr,
+						 ether_crc(ETH_ALEN, ha->addr),
+						 filterbit);
+			}
+			if (mc_filter[0] == tp->mc_filter[0]  &&
+				mc_filter[1] == tp->mc_filter[1])
+				;				/* No change. */
+			iowrite32(mc_filter[0], ioaddr + CSR27);
+			iowrite32(mc_filter[1], ioaddr + CSR28);
+			tp->mc_filter[0] = mc_filter[0];
+			tp->mc_filter[1] = mc_filter[1];
+		}
+	}
+
+	if (dev->irq == ADM8668_LAN_IRQ)
+		csr6 |= (1 << 9);	/* force 100Mbps full duplex */
+//	csr6 |= 1;	/* pad 2 bytes. vlan? */
+
+	iowrite32(csr6, ioaddr + CSR6);
+}
+
+static const struct net_device_ops tulip_netdev_ops = {
+	.ndo_open		= tulip_open,
+	.ndo_start_xmit		= tulip_start_xmit,
+	.ndo_tx_timeout		= tulip_tx_timeout,
+	.ndo_stop		= tulip_close,
+	.ndo_get_stats		= tulip_get_stats,
+	.ndo_set_multicast_list = set_rx_mode,
+	.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	 = poll_tulip,
+#endif
+};
+
+static int __devinit adm8668net_probe(struct platform_device *pdev)
+{
+	struct tulip_private *tp;
+	struct net_device *dev;
+	struct resource *res;
+	void __iomem *ioaddr;
+	int irq;
+
+	if (pdev->id < 0 || pdev->id >= MAX_UNITS)
+		return -EINVAL;
+
+	if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
+		return -ENODEV;
+	irq = res->start;
+	if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
+		return -ENODEV;
+	if (!(ioaddr = ioremap(res->start, res->end - res->start)))
+		return -ENODEV;
+	if (!(dev = alloc_etherdev(sizeof (*tp))))
+		return -ENOMEM;
+
+	/* setup net dev */
+	dev->base_addr = (unsigned long)res->start;
+	dev->irq = irq;
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	/* tulip private struct */
+	tp = netdev_priv(dev);
+	tp->dev = dev;
+	tp->base_addr = ioaddr;
+	tp->csr0 = csr0;
+	tp->rx_ring = dma_alloc_coherent(&pdev->dev,
+				sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
+				sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
+				&tp->rx_ring_dma, GFP_KERNEL);
+	if (!tp->rx_ring)
+		return -ENODEV;
+	tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
+	tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
+
+	spin_lock_init(&tp->lock);
+
+	/* Stop the chip's Tx and Rx processes. */
+	tulip_stop_rxtx(tp);
+
+	/* Clear the missed-packet counter. */
+	ioread32(ioaddr + CSR8);
+
+	/* Addresses are stored in BSP area of NOR flash */
+	if (irq == ADM8668_WAN_IRQ)
+		memcpy(dev->dev_addr, (char *)ADM8668_WAN_MACADDR, 6);
+	else
+		memcpy(dev->dev_addr, (char *)ADM8668_LAN_MACADDR, 6);
+
+	/* The Tulip-specific entries in the device structure. */
+	dev->netdev_ops = &tulip_netdev_ops;
+	dev->watchdog_timeo = TX_TIMEOUT;
+	netif_napi_add(dev, &tp->napi, tulip_poll, 16);
+	SET_ETHTOOL_OPS(dev, &ops);
+
+	if (register_netdev(dev))
+		goto err_out_free_ring;
+
+	dev_info(&dev->dev,
+		 "ADM8668net at MMIO %#lx %pM, IRQ %d\n",
+		 (unsigned long)dev->base_addr, dev->dev_addr, irq);
+
+	platform_set_drvdata(pdev, dev);
+	return 0;
+
+err_out_free_ring:
+	dma_free_coherent(&pdev->dev,
+		     sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+		     sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+		     tp->rx_ring, tp->rx_ring_dma);
+	return -ENODEV;
+}
+
+static int __devexit adm8668net_remove(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata (pdev);
+	struct tulip_private *tp;
+
+	if (!dev)
+		return -ENODEV;
+
+	tp = netdev_priv(dev);
+	unregister_netdev(dev);
+	dma_free_coherent(&pdev->dev,
+			     sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+			     sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+			     tp->rx_ring, tp->rx_ring_dma);
+	iounmap(tp->base_addr);
+	free_netdev(dev);
+	platform_set_drvdata(pdev, NULL);
+	return 0;
+}
+
+#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 poll_tulip (struct net_device *dev)
+{
+	/* disable_irq here is not very nice, but with the lockless
+	   interrupt handler we have no other choice. */
+	disable_irq(dev->irq);
+	tulip_interrupt(dev->irq, dev);
+	enable_irq(dev->irq);
+}
+#endif
+
+static struct platform_driver adm8668net_platform_driver = {
+	.probe = adm8668net_probe,
+	.remove = __devexit_p(adm8668net_remove),
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = "adm8668_eth"
+	},
+};
+
+static int __init adm8668net_init(void)
+{
+	pr_info("%s", version);
+	return platform_driver_register(&adm8668net_platform_driver);
+}
+
+static void __exit adm8668net_exit(void)
+{
+	platform_driver_unregister(&adm8668net_platform_driver);
+}
+
+module_init(adm8668net_init);
+module_exit(adm8668net_exit);
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/net_intr.c b/target/linux/adm8668/files/arch/mips/adm8668/net_intr.c
new file mode 100644
index 0000000000..113dbaebd7
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/net_intr.c
@@ -0,0 +1,446 @@
+/*
+ * originally drivers/net/tulip/interrupt.c
+ *   Copyright 2000,2001  The Linux Kernel Team
+ *   Written/copyright 1994-2001 by Donald Becker.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include "net.h"
+
+int tulip_refill_rx(struct net_device *dev)
+{
+	struct tulip_private *tp = netdev_priv(dev);
+	int entry;
+	int refilled = 0;
+
+	/* Refill the Rx ring buffers. */
+	for (; tp->cur_rx - tp->dirty_rx > 0; tp->dirty_rx++) {
+		entry = tp->dirty_rx % RX_RING_SIZE;
+		if (tp->rx_buffers[entry].skb == NULL) {
+			struct sk_buff *skb;
+			dma_addr_t mapping;
+
+			skb = tp->rx_buffers[entry].skb = dev_alloc_skb(PKT_BUF_SZ);
+			if (skb == NULL)
+				break;
+
+			mapping = dma_map_single(&dev->dev, skb->data,
+				PKT_BUF_SZ, DMA_FROM_DEVICE);
+			tp->rx_buffers[entry].mapping = mapping;
+
+			skb->dev = dev;			/* Mark as being used by this device. */
+			tp->rx_ring[entry].buffer1 = cpu_to_le32(mapping);
+			refilled++;
+		}
+		tp->rx_ring[entry].status = cpu_to_le32(DescOwned);
+	}
+	return refilled;
+}
+
+void oom_timer(unsigned long data)
+{
+        struct net_device *dev = (struct net_device *)data;
+	struct tulip_private *tp = netdev_priv(dev);
+	napi_schedule(&tp->napi);
+}
+
+int tulip_poll(struct napi_struct *napi, int budget)
+{
+	struct tulip_private *tp = container_of(napi, struct tulip_private, napi);
+	struct net_device *dev = tp->dev;
+	int entry = tp->cur_rx % RX_RING_SIZE;
+	int work_done = 0;
+
+	if (tulip_debug > 4)
+		printk(KERN_DEBUG " In tulip_rx(), entry %d %08x\n",
+		       entry, tp->rx_ring[entry].status);
+
+       do {
+		if (ioread32(tp->base_addr + CSR5) == 0xffffffff) {
+			printk(KERN_DEBUG " In tulip_poll(), hardware disappeared\n");
+			break;
+		}
+               /* Acknowledge current RX interrupt sources. */
+               iowrite32((RxIntr | RxNoBuf), tp->base_addr + CSR5);
+
+
+               /* If we own the next entry, it is a new packet. Send it up. */
+               while ( ! (tp->rx_ring[entry].status & cpu_to_le32(DescOwned))) {
+                       s32 status = le32_to_cpu(tp->rx_ring[entry].status);
+		       short pkt_len;
+
+                       if (tp->dirty_rx + RX_RING_SIZE == tp->cur_rx)
+                               break;
+
+                       if (tulip_debug > 5)
+                               printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %08x\n",
+                                      dev->name, entry, status);
+
+		       if (++work_done >= budget)
+                               goto not_done;
+
+		       /*
+			* Omit the four octet CRC from the length.
+			* (May not be considered valid until we have
+			* checked status for RxLengthOver2047 bits)
+			*/
+		       pkt_len = ((status >> 16) & 0x7ff) - 4;
+
+#if 0
+			csr6 = ioread32(tp->base_addr + CSR6);
+				if (csr6 & 0x1)
+					pkt_len += 2;
+
+#endif
+		       /*
+			* Maximum pkt_len is 1518 (1514 + vlan header)
+			* Anything higher than this is always invalid
+			* regardless of RxLengthOver2047 bits
+			*/
+
+		       if ((status & (RxLengthOver2047 |
+				      RxDescCRCError |
+				      RxDescCollisionSeen |
+				      RxDescRunt |
+				      RxDescDescErr |
+				      RxWholePkt)) != RxWholePkt ||
+			   pkt_len > 1518) {
+			       if ((status & (RxLengthOver2047 |
+					      RxWholePkt)) != RxWholePkt) {
+                                /* Ingore earlier buffers. */
+                                       if ((status & 0xffff) != 0x7fff) {
+                                               if (tulip_debug > 1)
+                                                       dev_warn(&dev->dev,
+								"Oversized Ethernet frame spanned multiple buffers, status %08x!\n",
+								status);
+                                               tp->stats.rx_length_errors++;
+                                       }
+			       } else {
+                                /* There was a fatal error. */
+                                       if (tulip_debug > 2)
+                                               printk(KERN_DEBUG "%s: Receive error, Rx status %08x\n",
+                                                      dev->name, status);
+                                       tp->stats.rx_errors++; /* end of a packet.*/
+				       if (pkt_len > 1518 ||
+					   (status & RxDescRunt))
+					       tp->stats.rx_length_errors++;
+
+                                       if (status & 0x0004) tp->stats.rx_frame_errors++;
+                                       if (status & 0x0002) tp->stats.rx_crc_errors++;
+                                       if (status & 0x0001) tp->stats.rx_fifo_errors++;
+                               }
+                       } else {
+                               struct sk_buff *skb = tp->rx_buffers[entry].skb;
+                               char *temp = skb_put(skb, pkt_len);
+
+#if 0
+				if (csr6 & 1)
+					skb_pull(skb, 2);
+#endif
+#ifndef final_version
+                                       if (tp->rx_buffers[entry].mapping !=
+						le32_to_cpu(tp->rx_ring[entry].buffer1)) {
+                                               dev_err(&dev->dev,
+						       "Internal fault: The skbuff addresses do not match in tulip_rx: %08x vs. %08llx %p / %p\n",
+						       le32_to_cpu(tp->rx_ring[entry].buffer1),
+						       (unsigned long long)tp->rx_buffers[entry].mapping,
+						       skb->head, temp);
+                                       }
+#endif
+
+                                       tp->rx_buffers[entry].skb = NULL;
+                                       tp->rx_buffers[entry].mapping = 0;
+                               skb->protocol = eth_type_trans(skb, dev);
+
+                               netif_receive_skb(skb);
+
+                               tp->stats.rx_packets++;
+                               tp->stats.rx_bytes += pkt_len;
+                       }
+                       entry = (++tp->cur_rx) % RX_RING_SIZE;
+                       if (tp->cur_rx - tp->dirty_rx > RX_RING_SIZE/4)
+                               tulip_refill_rx(dev);
+
+                }
+
+               /* New ack strategy... irq does not ack Rx any longer
+                  hopefully this helps */
+
+               /* Really bad things can happen here... If new packet arrives
+                * and an irq arrives (tx or just due to occasionally unset
+                * mask), it will be acked by irq handler, but new thread
+                * is not scheduled. It is major hole in design.
+                * No idea how to fix this if "playing with fire" will fail
+                * tomorrow (night 011029). If it will not fail, we won
+                * finally: amount of IO did not increase at all. */
+       } while ((ioread32(tp->base_addr + CSR5) & RxIntr));
+
+         tulip_refill_rx(dev);
+
+         /* If RX ring is not full we are out of memory. */
+         if (tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL)
+		 goto oom;
+
+         /* Remove us from polling list and enable RX intr. */
+         napi_complete(napi);
+         iowrite32(VALID_INTR, tp->base_addr+CSR7);
+
+         /* The last op happens after poll completion. Which means the following:
+          * 1. it can race with disabling irqs in irq handler
+          * 2. it can race with dise/enabling irqs in other poll threads
+          * 3. if an irq raised after beginning loop, it will be immediately
+          *    triggered here.
+          *
+          * Summarizing: the logic results in some redundant irqs both
+          * due to races in masking and due to too late acking of already
+          * processed irqs. But it must not result in losing events.
+          */
+
+         return work_done;
+
+ not_done:
+         if (tp->cur_rx - tp->dirty_rx > RX_RING_SIZE/2 ||
+             tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL)
+                 tulip_refill_rx(dev);
+
+         if (tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL)
+		 goto oom;
+
+         return work_done;
+
+ oom:    /* Executed with RX ints disabled */
+
+         /* Start timer, stop polling, but do not enable rx interrupts. */
+         mod_timer(&tp->oom_timer, jiffies+1);
+
+         /* Think: timer_pending() was an explicit signature of bug.
+          * Timer can be pending now but fired and completed
+          * before we did napi_complete(). See? We would lose it. */
+
+         /* remove ourselves from the polling list */
+         napi_complete(napi);
+
+         return work_done;
+}
+
+/* The interrupt handler does all of the Rx thread work and cleans up
+   after the Tx thread. */
+irqreturn_t tulip_interrupt(int irq, void *dev_instance)
+{
+	struct net_device *dev = (struct net_device *)dev_instance;
+	struct tulip_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->base_addr;
+	int csr5;
+	int missed;
+	int rx = 0;
+	int tx = 0;
+	int oi = 0;
+	int maxrx = RX_RING_SIZE;
+	int maxtx = TX_RING_SIZE;
+	int maxoi = TX_RING_SIZE;
+	int rxd = 0;
+	unsigned int work_count = 25;
+	unsigned int handled = 0;
+
+	/* Let's see whether the interrupt really is for us */
+	csr5 = ioread32(ioaddr + CSR5);
+
+	if ((csr5 & (NormalIntr|AbnormalIntr)) == 0)
+		return IRQ_RETVAL(handled);
+
+	tp->nir++;
+
+	do {
+
+		if (!rxd && (csr5 & (RxIntr | RxNoBuf))) {
+			rxd++;
+			/* Mask RX intrs and add the device to poll list. */
+			iowrite32(VALID_INTR&~RxPollInt, ioaddr + CSR7);
+			napi_schedule(&tp->napi);
+
+			if (!(csr5&~(AbnormalIntr|NormalIntr|RxPollInt|TPLnkPass)))
+                               break;
+		}
+
+               /* Acknowledge the interrupt sources we handle here ASAP
+                  the poll function does Rx and RxNoBuf acking */
+
+		iowrite32(csr5 & 0x0001ff3f, ioaddr + CSR5);
+
+		if (tulip_debug > 4)
+			printk(KERN_DEBUG "%s: interrupt  csr5=%#8.8x new csr5=%#8.8x\n",
+			       dev->name, csr5, ioread32(ioaddr + CSR5));
+
+
+		if (csr5 & (TxNoBuf | TxDied | TxIntr | TimerInt)) {
+			unsigned int dirty_tx;
+
+			spin_lock(&tp->lock);
+
+			for (dirty_tx = tp->dirty_tx; tp->cur_tx - dirty_tx > 0;
+				 dirty_tx++) {
+				int entry = dirty_tx % TX_RING_SIZE;
+				int status = le32_to_cpu(tp->tx_ring[entry].status);
+
+				if (status < 0)
+					break;			/* It still has not been Txed */
+
+				if (status & 0x8000) {
+					/* There was an major error, log it. */
+#ifndef final_version
+					if (tulip_debug > 1)
+						printk(KERN_DEBUG "%s: Transmit error, Tx status %08x\n",
+						       dev->name, status);
+#endif
+					tp->stats.tx_errors++;
+					if (status & 0x4104) tp->stats.tx_aborted_errors++;
+					if (status & 0x0C00) tp->stats.tx_carrier_errors++;
+					if (status & 0x0200) tp->stats.tx_window_errors++;
+					if (status & 0x0002) tp->stats.tx_fifo_errors++;
+					if (status & 0x0080) tp->stats.tx_heartbeat_errors++;
+				} else {
+					tp->stats.tx_bytes +=
+						tp->tx_buffers[entry].skb->len;
+					tp->stats.collisions += (status >> 3) & 15;
+					tp->stats.tx_packets++;
+				}
+
+				dma_unmap_single(&tp->pdev->dev, tp->tx_buffers[entry].mapping,
+					tp->tx_buffers[entry].skb->len, DMA_TO_DEVICE);
+				/* Free the original skb. */
+				dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
+				tp->tx_buffers[entry].skb = NULL;
+				tp->tx_buffers[entry].mapping = 0;
+				tx++;
+			}
+
+#ifndef final_version
+			if (tp->cur_tx - dirty_tx > TX_RING_SIZE) {
+				dev_err(&dev->dev,
+					"Out-of-sync dirty pointer, %d vs. %d\n",
+					dirty_tx, tp->cur_tx);
+				dirty_tx += TX_RING_SIZE;
+			}
+#endif
+
+			if (tp->cur_tx - dirty_tx < TX_RING_SIZE - 2)
+				netif_wake_queue(dev);
+
+			tp->dirty_tx = dirty_tx;
+			if (csr5 & TxDied) {
+				if (tulip_debug > 2)
+					dev_warn(&dev->dev,
+						 "The transmitter stopped.  CSR5 is %x, CSR6 %x, new CSR6 %x\n",
+						 csr5, ioread32(ioaddr + CSR6),
+						 tp->csr6);
+				tulip_restart_rxtx(tp);
+			}
+			spin_unlock(&tp->lock);
+		}
+
+		/* Log errors. */
+		if (csr5 & AbnormalIntr) {	/* Abnormal error summary bit. */
+			if (csr5 == 0xffffffff)
+				break;
+			if (csr5 & TxJabber) tp->stats.tx_errors++;
+			if (csr5 & TxFIFOUnderflow) {
+				if ((tp->csr6 & 0xC000) != 0xC000)
+					tp->csr6 += 0x4000;	/* Bump up the Tx threshold */
+				else
+					tp->csr6 |= 0x00200000;  /* Store-n-forward. */
+				/* Restart the transmit process. */
+				tulip_restart_rxtx(tp);
+				iowrite32(0, ioaddr + CSR1);
+			}
+			if (csr5 & (RxDied | RxNoBuf)) {
+				iowrite32(tp->mc_filter[0], ioaddr + CSR27);
+				iowrite32(tp->mc_filter[1], ioaddr + CSR28);
+			}
+			if (csr5 & RxDied) {		/* Missed a Rx frame. */
+                                tp->stats.rx_missed_errors += ioread32(ioaddr + CSR8) & 0xffff;
+				tp->stats.rx_errors++;
+				tulip_start_rxtx(tp);
+			}
+			/*
+			 * NB: t21142_lnk_change() does a del_timer_sync(), so be careful if this
+			 * call is ever done under the spinlock
+			 */
+			if (csr5 & (TPLnkPass | TPLnkFail | 0x08000000)) {
+				if (tp->link_change)
+					(tp->link_change)(dev, csr5);
+			}
+			if (csr5 & SystemError) {
+				int error = (csr5 >> 23) & 7;
+				/* oops, we hit a PCI error.  The code produced corresponds
+				 * to the reason:
+				 *  0 - parity error
+				 *  1 - master abort
+				 *  2 - target abort
+				 * Note that on parity error, we should do a software reset
+				 * of the chip to get it back into a sane state (according
+				 * to the 21142/3 docs that is).
+				 *   -- rmk
+				 */
+				dev_err(&dev->dev,
+					"(%lu) System Error occurred (%d)\n",
+					tp->nir, error);
+			}
+			/* Clear all error sources, included undocumented ones! */
+			iowrite32(0x0800f7ba, ioaddr + CSR5);
+			oi++;
+		}
+		if (csr5 & TimerInt) {
+
+			if (tulip_debug > 2)
+				dev_err(&dev->dev,
+					"Re-enabling interrupts, %08x\n",
+					csr5);
+			iowrite32(VALID_INTR, ioaddr + CSR7);
+			oi++;
+		}
+		if (tx > maxtx || rx > maxrx || oi > maxoi) {
+			if (tulip_debug > 1)
+				dev_warn(&dev->dev, "Too much work during an interrupt, csr5=0x%08x. (%lu) (%d,%d,%d)\n",
+					 csr5, tp->nir, tx, rx, oi);
+
+                       /* Acknowledge all interrupt sources. */
+                        iowrite32(0x8001ffff, ioaddr + CSR5);
+                        /* Mask all interrupting sources, set timer to
+				re-enable. */
+                        iowrite32(((~csr5) & 0x0001ebef) | AbnormalIntr | TimerInt, ioaddr + CSR7);
+                        iowrite32(0x0012, ioaddr + CSR11);
+			break;
+		}
+
+		work_count--;
+		if (work_count == 0)
+			break;
+
+		csr5 = ioread32(ioaddr + CSR5);
+
+		if (rxd)
+			csr5 &= ~RxPollInt;
+	} while ((csr5 & (TxNoBuf |
+			  TxDied |
+			  TxIntr |
+			  TimerInt |
+			  /* Abnormal intr. */
+			  RxDied |
+			  TxFIFOUnderflow |
+			  TxJabber |
+			  TPLnkFail |
+			  SystemError )) != 0);
+
+	if ((missed = ioread32(ioaddr + CSR8) & 0x1ffff)) {
+		tp->stats.rx_dropped += missed & 0x10000 ? 0x10000 : missed;
+	}
+
+	if (tulip_debug > 4)
+		printk(KERN_DEBUG "%s: exiting interrupt, csr5=%#04x\n",
+		       dev->name, ioread32(ioaddr + CSR5));
+
+	return IRQ_HANDLED;
+}
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/pci.c b/target/linux/adm8668/files/arch/mips/adm8668/pci.c
new file mode 100644
index 0000000000..2bf1192972
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/pci.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <asm/pci.h>
+#include <adm8668.h>
+
+volatile u32* pci_config_address_reg = (volatile u32*)KSEG1ADDR(PCICFG_BASE);
+volatile u32* pci_config_data_reg = (volatile u32*)KSEG1ADDR(PCIDAT_BASE);
+
+#define PCI_ENABLE			0x80000000
+#define	ADMPCI_IO_BASE			0x12600000
+#define	ADMPCI_IO_SIZE			0x1fffff
+#define	ADMPCI_MEM_BASE			0x16000000
+#define	ADMPCI_MEM_SIZE			0x7ffffff
+#define PCI_CMM_IOACC_EN		0x1
+#define PCI_CMM_MEMACC_EN		0x2
+#define PCI_CMM_MASTER_EN		0x4
+#define PCI_CMM_DEF			(PCI_CMM_IOACC_EN | PCI_CMM_MEMACC_EN | PCI_CMM_MASTER_EN)
+
+#define PCI_DEF_CACHE_LINE_SZ	0
+#define PCI_DEF_LATENCY_TIMER	0x20
+#define PCI_DEF_CACHE_LATENCY	((PCI_DEF_LATENCY_TIMER << 8) | PCI_DEF_CACHE_LINE_SZ)
+
+
+#define cfgaddr(bus, devfn, where)	(	\
+				(bus ? ((bus->number & 0xff) << 0x10) : 0) | \
+					 ((devfn & 0xff) << 0x08) | \
+					 (where & 0xfc)) | PCI_ENABLE
+
+/* assumed little endian */
+static int adm8668_read_config(struct pci_bus *bus, unsigned int devfn,
+				int where, int size, u32 *val)
+{
+    	switch (size)
+	{
+	case 1:
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*val = (le32_to_cpu(*pci_config_data_reg) >> ((where&3)<<3)) & 0xff;
+		break;
+	case 2:
+		if (where & 1)
+			return PCIBIOS_BAD_REGISTER_NUMBER;
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*val = (le32_to_cpu(*pci_config_data_reg) >> ((where&3)<<3)) & 0xffff;
+		break;
+	case 4:
+		if (where & 3)
+			return PCIBIOS_BAD_REGISTER_NUMBER;
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*val = le32_to_cpu(*pci_config_data_reg);
+		break;
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int adm8668_write_config(struct pci_bus *bus, unsigned int devfn,
+				int where, int size, u32 val)
+{
+	switch (size)
+	{
+	case 1:
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*(volatile u8 *)(((int)pci_config_data_reg) + (where & 3)) = val;
+		break;
+	case 2:
+		if (where & 1)
+			return PCIBIOS_BAD_REGISTER_NUMBER;
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*(volatile u16 *)(((int)pci_config_data_reg) + (where & 2)) = val;
+		break;
+	case 4:
+		if (where & 3)
+			return PCIBIOS_BAD_REGISTER_NUMBER;
+		*pci_config_address_reg = cfgaddr(bus, devfn, where);
+		*pci_config_data_reg = (val);
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+
+struct pci_ops adm8668_pci_ops = {
+	.read = adm8668_read_config,
+	.write = adm8668_write_config
+};
+
+
+struct resource pciioport_resource = {
+	.name	= "adm8668_pci",
+	.start	= ADMPCI_IO_BASE,
+	.end	= ADMPCI_IO_BASE + ADMPCI_IO_SIZE,
+	.flags	= IORESOURCE_IO
+};
+
+
+struct resource pciiomem_resource = {
+	.name	= "adm8668_pci",
+	.start	= ADMPCI_MEM_BASE,
+	.end	= ADMPCI_MEM_BASE + ADMPCI_MEM_SIZE,
+	.flags	= IORESOURCE_MEM
+};
+
+#ifdef CONFIG_ADM8668_DISABLE_PCI
+struct pci_controller mips_pci_channels[] = {
+	{ NULL, NULL, NULL , NULL , NULL}
+};
+#else
+struct pci_controller mips_pci_channels = {
+	.pci_ops = &adm8668_pci_ops,
+	.io_resource = &pciioport_resource,
+	.mem_resource = &pciiomem_resource,
+};
+#endif
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	switch (slot)
+	{
+		case 1:
+			return 14;
+		case 2:
+			return 13;
+		case 3:
+			return 12;
+		default:
+			return dev->irq;
+	}
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}
+
+static int __init adm8668_pci_init(void)
+{
+	void __iomem *io_map_base;
+
+	printk("adm8668_pci_init()\n");
+
+	/* what's an io port? this is MIPS... *shrug* */
+	ioport_resource.start   = ADMPCI_IO_BASE;
+	ioport_resource.end     = ADMPCI_IO_BASE + ADMPCI_IO_SIZE;
+
+	io_map_base = ioremap(ADMPCI_IO_BASE, ADMPCI_IO_SIZE);
+	if (!io_map_base)
+		printk("io_map_base didn't work.\n");
+	mips_pci_channels.io_map_base = (unsigned long)io_map_base;
+	register_pci_controller(&mips_pci_channels);
+
+	/* this needed? linksys' gpl 2.4 did it... */
+	adm8668_write_config(NULL, 0, PCI_CACHE_LINE_SIZE, 2, 0);
+	adm8668_write_config(NULL, 0, PCI_BASE_ADDRESS_0, 4, 0);
+	adm8668_write_config(NULL, 0, PCI_BASE_ADDRESS_1, 4, 0);
+	adm8668_write_config(NULL, 0, PCI_COMMAND, 4, PCI_CMM_DEF);
+
+	return 0;
+}
+
+arch_initcall(adm8668_pci_init);
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/platform.c b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
new file mode 100644
index 0000000000..e97ad6ab2d
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <adm8668.h>
+
+extern char _end;
+#define PFN_ALIGN(x)    (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
+
+static struct resource uart_resources[] = {
+	{
+		.start		= ADM8668_UART0_BASE,
+		.end		= ADM8668_UART0_BASE + 0xF,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_UART0,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_uart_device = {
+	.name		= "adm8668_uart",
+	.id		= 0,
+	.resource	= uart_resources,
+	.num_resources	= ARRAY_SIZE(uart_resources),
+};
+
+static struct resource eth0_resources[] = {
+	{
+		.start		= ADM8668_LAN_BASE,
+		.end		= ADM8668_LAN_BASE + 256,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_LAN,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_eth0_device = {
+	.name		= "adm8668_eth",
+	.id		= 0,
+	.resource	= eth0_resources,
+	.num_resources	= ARRAY_SIZE(eth0_resources),
+};
+
+static struct resource eth1_resources[] = {
+	{
+		.start		= ADM8668_WAN_BASE,
+		.end		= ADM8668_WAN_BASE + 256,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_WAN,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_eth1_device = {
+	.name		= "adm8668_eth",
+	.id		= 1,
+	.resource	= eth1_resources,
+	.num_resources	= ARRAY_SIZE(eth1_resources),
+};
+
+static void adm8668_restart(char *cmd)
+{
+	int i;
+
+	/* stop eth0 and eth1 */
+	ADM8668_LAN_REG(NETCSR6) = BIT_1|BIT_13;
+	ADM8668_LAN_REG(NETCSR7) = 0;
+	ADM8668_WAN_REG(NETCSR6) = BIT_1|BIT_13;
+	ADM8668_WAN_REG(NETCSR7) = 0;
+
+	/* reset PHY */
+	ADM8668_WAN_REG(NETCSR37) = 0x20;
+	for (i = 0; i < 10000; i++)
+		;
+	ADM8668_WAN_REG(NETCSR37) = 0;
+	for (i = 0; i < 10000; i++)
+		;
+
+	*(volatile unsigned int *)0xB1600000 = 1;	/* reset eth0 mac */
+	*(volatile unsigned int *)0xB1A00000 = 1;	/* reset eth1 mac */
+	*(volatile unsigned int *)0xB1800000 = 1;	/* reset wlan0 mac */
+
+	/* the real deal */
+	for (i = 0; i < 1000; i++)
+		;
+	ADM8668_CONFIG_REG(ADM8668_CR1) = BIT_0;
+}
+
+int __devinit adm8668_devs_register(void)
+{
+	_machine_restart = adm8668_restart;
+	platform_device_register(&adm8668_uart_device);
+	platform_device_register(&adm8668_eth0_device);
+	platform_device_register(&adm8668_eth1_device);
+
+	return 0;
+}
+
+void __init plat_time_init(void)
+{
+	int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf;
+
+	/* adjustable clock selection
+	   CR3 bit 14~11, 0000 -> 175MHz, 0001 -> 180MHz, etc... */
+
+	mips_hpt_frequency = (SYS_CLOCK + adj * 5000000) / 2;
+	printk("ADM8668 CPU clock: %d MHz\n", 2*mips_hpt_frequency / 1000000);
+}
+
+void __init plat_mem_setup(void)
+{
+	/* prom_init seemed like easier place for this. it's tooo simple */
+}
+
+const char *get_system_type(void)
+{
+        unsigned long chipid = ADM8668_CONFIG_REG(ADM8668_CR0);
+        int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf;
+        int product, revision, mhz;
+	static char ret[32];
+
+        product = chipid >> 16;
+        revision = chipid & 0xffff;
+	mhz = (SYS_CLOCK/1000000) + (adj * 5);
+
+	/* i getting fancy :\ */
+	snprintf(ret, sizeof(ret), "ADM%xr%x %dMHz", product, revision, mhz);
+
+	return ret;
+}
+
+arch_initcall(adm8668_devs_register);
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/proc.c b/target/linux/adm8668/files/arch/mips/adm8668/proc.c
new file mode 100644
index 0000000000..a9091faac6
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/proc.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <asm/uaccess.h>
+#include <adm8668.h>
+
+int adm8668_sesled_write_proc(struct file *file, const char *buffer, unsigned long count, void *data)
+{
+	char buf[8];
+	int num;
+
+	num = (count < 8) ? count : 8;
+
+	if (copy_from_user(buf, buffer, num))
+	{
+		printk("copy_from_user failed");
+                return -EFAULT;
+	}
+	num = simple_strtoul(buf, NULL, 16);
+	switch (num)
+	{
+		case 0:
+			GPIO_SET_LOW(0);
+			CRGPIO_SET_LOW(2);
+			break;
+		case 1:
+			GPIO_SET_LOW(0);
+			CRGPIO_SET_HI(2);
+			break;
+		case 2:
+			GPIO_SET_HI(0);
+			CRGPIO_SET_HI(2);
+			break;
+		default:
+			break;
+	}
+
+	return count;
+}
+
+int adm8668_sesled_read_proc(char *buf, char **start, off_t offset, int count, int *eof, void *data)
+{
+	int len = 0;
+	int led_state = 0;
+
+	led_state = (ADM8668_CONFIG_REG(CRGPIO_REG) & 0x100) ? 1 : 0;
+	led_state += (ADM8668_WLAN_REG(GPIO_REG) & 0x40) ? 2 : 0;
+	len += sprintf(buf+len, "%s\n",
+		(led_state&1) ?
+			((led_state&2) ? "ORANGE" : "GREEN") : "OFF");
+
+	return len;
+}
+
+int adm8668_button_read_proc(char *buf, char **start, off_t offset,
+	int count, int *eof, void *data)
+{
+	int len = 0;
+	int read_once = ADM8668_CONFIG_REG(CRGPIO_REG);
+	int button_flip = (read_once >> 20) & 0x3;
+	int button_state = read_once & 0x3;
+
+	len += sprintf(buf+len, "SES: %s %s\nRESET: %s %s\n",
+		(button_state&2) ? "UP" : "DOWN",
+		(button_flip&2) ? "FLIP" : "",
+		(button_state&1) ? "UP" : "DOWN",
+		(button_flip&1) ? "FLIP" : "");
+
+	return len;
+}
+
+int __init adm8668_init_proc(void)
+{
+	struct proc_dir_entry *adm8668_proc_dir = NULL;
+	struct proc_dir_entry *sesled = NULL;
+	int bogus;
+
+	/* these are known to be lights. rest are input...? */
+	ADM8668_CONFIG_REG(CRGPIO_REG)	= GPIO2_OUTPUT_ENABLE;
+	ADM8668_WLAN_REG(GPIO_REG)	= GPIO0_OUTPUT_ENABLE;
+
+	/* inital read off of the flipper switcher on the button thingie */
+	bogus = ADM8668_CONFIG_REG(CRGPIO_REG);
+
+	adm8668_proc_dir = proc_mkdir("adm8668", 0);
+	if (adm8668_proc_dir == NULL) {
+		printk(KERN_ERR "ADM8668 proc: unable to create proc dir.\n");
+		return 0;
+	}
+	create_proc_read_entry("buttons", 0444, adm8668_proc_dir,
+					adm8668_button_read_proc, NULL);
+	sesled = create_proc_entry("sesled", S_IRUGO|S_IWUGO, adm8668_proc_dir);
+	if (sesled) {
+		sesled->read_proc = adm8668_sesled_read_proc;
+		sesled->write_proc = adm8668_sesled_write_proc;
+	}
+
+	return 0;
+}
+
+module_init(adm8668_init_proc);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Scott Nicholas <neutronscott@scottn.us>");
+MODULE_DESCRIPTION("ADM8668 ghetto button driver");
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/prom.c b/target/linux/adm8668/files/arch/mips/adm8668/prom.c
new file mode 100644
index 0000000000..53731c1b10
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/prom.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * based on work of rb532 prom.c
+ *  Copyright (C) 2003, Peter Sadik <peter.sadik@idt.com>
+ *  Copyright (C) 2005-2006, P.Christeas <p_christ@hol.gr>
+ *  Copyright (C) 2007, Gabor Juhos <juhosg@openwrt.org>
+ *			Felix Fietkau <nbd@openwrt.org>
+ *			Florian Fainelli <florian@openwrt.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/console.h>
+#include <linux/string.h>
+#include <linux/serial_core.h>
+#include <asm/bootinfo.h>
+#include <adm8668.h>
+#include "u-boot.h"
+
+register volatile struct global_data *gd asm ("k0");
+
+#ifdef CONFIG_SERIAL_ADM8668_CONSOLE
+static inline unsigned int adm_uart_readl(unsigned int offset)
+{
+	return (*(volatile unsigned int *)(0xbe400000 + offset));
+}
+
+static inline void adm_uart_writel(unsigned int value, unsigned int offset)
+{
+	(*((volatile unsigned int *)(0xbe400000 + offset))) = value;
+}
+
+static void prom_putchar(char c)
+{
+	adm_uart_writel(c, UART_DR_REG);
+	while ((adm_uart_readl(UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
+		;
+}
+
+static void __init
+early_console_write(struct console *con, const char *s, unsigned n)
+{
+	while (n-- && *s) {
+		if (*s == '\n')
+			prom_putchar('\r');
+		prom_putchar(*s);
+		s++;
+	}
+}
+
+static struct console early_console __initdata = {
+	.name	= "early",
+	.write	= early_console_write,
+	.flags	= CON_BOOT,
+	.index	= -1
+};
+
+#endif
+
+void __init prom_free_prom_memory(void)
+{
+	/* No prom memory to free */
+}
+
+static inline int match_tag(char *arg, const char *tag)
+{
+	return strncmp(arg, tag, strlen(tag)) == 0;
+}
+
+static inline unsigned long tag2ul(char *arg, const char *tag)
+{
+	char *num;
+
+	num = arg + strlen(tag);
+	return simple_strtoul(num, 0, 10);
+}
+
+void __init prom_setup_cmdline(void)
+{
+	char *cp;
+	int prom_argc;
+	char **prom_argv;
+	int i;
+
+	prom_argc = fw_arg0;
+	prom_argv = (char **)KSEG0ADDR(fw_arg1);
+
+	cp = &(arcs_cmdline[0]);
+	for (i = 1; i < prom_argc; i++) {
+		prom_argv[i] = (char *)KSEG0ADDR(prom_argv[i]);
+
+		/* default bootargs has "console=/dev/ttyS0" yet console won't
+		 * show up at all if you do this ... */
+		if (match_tag(prom_argv[i], "console=/dev/")) {
+			char *ptr = prom_argv[i] + strlen("console=/dev/");
+
+			strcpy(cp, "console=");
+			cp += strlen("console=");
+			strcpy(cp, ptr);
+			cp += strlen(ptr);
+			*cp++ = ' ';
+			continue;
+		}
+		strcpy(cp, prom_argv[i]);
+		cp += strlen(prom_argv[i]);
+		*cp++ = ' ';
+	}
+	if (prom_argc > 1)
+		--cp; /* trailing space */
+
+	*cp = '\0';
+}
+
+void __init prom_init(void)
+{
+	bd_t *bd = gd->bd;
+	int memsize;
+
+#ifdef CONFIG_SERIAL_ADM8668_CONSOLE
+	register_console(&early_console);
+#endif
+
+	memsize = bd->bi_memsize;
+	printk("Board info:\n");
+	printk("  Board ID: %#lx\n", bd->bi_arch_number);
+	printk("  RAM size: %d MB\n", (int)memsize/(1024*1024));
+	printk("  NOR start: %#lx\n", bd->bi_flashstart);
+	printk("  NOR size: %#lx\n", bd->bi_flashsize);
+
+	prom_setup_cmdline();
+	add_memory_region(0, memsize, BOOT_MEM_RAM);
+}
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/serial.c b/target/linux/adm8668/files/arch/mips/adm8668/serial.c
new file mode 100644
index 0000000000..7d684b8102
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/serial.c
@@ -0,0 +1,638 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * ADM8668 serial driver, totally ripped the source from BCM63xx and changed
+ *  all the registers to fit our hardware, and removed all the features that
+ *  I didn't know because our GPL'd serial driver was way lame.
+ *
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ * Derived directly from bcm63xx_uart
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ *
+ */
+
+#if defined(CONFIG_SERIAL_ADM8668_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/console.h>
+#include <linux/clk.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/sysrq.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <adm8668.h>
+
+#define ADM8668_NR_UARTS	1
+
+static struct uart_port ports[ADM8668_NR_UARTS];
+
+/*
+ * handy uart register accessor
+ */
+static inline unsigned int adm_uart_readl(struct uart_port *port,
+					 unsigned int offset)
+{
+	return (*(volatile unsigned int *)(port->membase + offset));
+}
+
+static inline void adm_uart_writel(struct uart_port *port,
+				  unsigned int value, unsigned int offset)
+{
+	(*((volatile unsigned int *)(port->membase + offset))) = value;
+}
+
+/*
+ * serial core request to check if uart tx fifo is empty
+ */
+static unsigned int adm_uart_tx_empty(struct uart_port *port)
+{
+	/* we always wait for completion, no buffer is made... */
+	return 1;
+}
+
+/*
+ * serial core request to set RTS and DTR pin state and loopback mode
+ */
+static void adm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+}
+
+/*
+ * serial core request to return RI, CTS, DCD and DSR pin state
+ */
+static unsigned int adm_uart_get_mctrl(struct uart_port *port)
+{
+	return 0;
+}
+
+/*
+ * serial core request to disable tx ASAP (used for flow control)
+ */
+static void adm_uart_stop_tx(struct uart_port *port)
+{
+	unsigned int val;
+
+	val = adm_uart_readl(port, UART_CR_REG);
+	val &= ~(UART_TX_INT_EN);
+	adm_uart_writel(port, val, UART_CR_REG);
+}
+
+/*
+ * serial core request to (re)enable tx
+ */
+static void adm_uart_start_tx(struct uart_port *port)
+{
+	unsigned int val;
+
+	val = adm_uart_readl(port, UART_CR_REG);
+	val |= UART_TX_INT_EN;
+	adm_uart_writel(port, val, UART_CR_REG);
+}
+
+/*
+ * serial core request to stop rx, called before port shutdown
+ */
+static void adm_uart_stop_rx(struct uart_port *port)
+{
+	unsigned int val;
+
+	val = adm_uart_readl(port, UART_CR_REG);
+	val &= ~UART_RX_INT_EN;
+	adm_uart_writel(port, val, UART_CR_REG);
+}
+
+/*
+ * serial core request to enable modem status interrupt reporting
+ */
+static void adm_uart_enable_ms(struct uart_port *port)
+{
+}
+
+/*
+ * serial core request to start/stop emitting break char
+ */
+static void adm_uart_break_ctl(struct uart_port *port, int ctl)
+{
+}
+
+/*
+ * return port type in string format
+ */
+static const char *adm_uart_type(struct uart_port *port)
+{
+	return (port->type == PORT_ADM8668) ? "adm8668_uart" : NULL;
+}
+
+/*
+ * read all chars in rx fifo and send them to core
+ */
+static void adm_uart_do_rx(struct uart_port *port)
+{
+	struct tty_struct *tty;
+	unsigned int max_count;
+
+	/* limit number of char read in interrupt, should not be
+	 * higher than fifo size anyway since we're much faster than
+	 * serial port */
+	max_count = 32;
+	tty = port->state->port.tty;
+	do {
+		unsigned int iestat, c, cstat;
+		char flag;
+
+		/* get overrun/fifo empty information from ier
+		 * register */
+		iestat = adm_uart_readl(port, UART_FR_REG);
+		if (iestat & UART_RX_FIFO_EMPTY)
+			break;
+
+		/* recieve status */
+		cstat = adm_uart_readl(port, UART_RSR_REG);
+		/* clear errors */
+		adm_uart_writel(port, cstat, UART_RSR_REG);
+
+		c = adm_uart_readl(port, UART_DR_REG);
+		port->icount.rx++;
+		flag = TTY_NORMAL;
+
+		if (unlikely((cstat & UART_RX_STATUS_MASK))) {
+			/* do stats first */
+			if (cstat & UART_BREAK_ERR) {
+				port->icount.brk++;
+				if (uart_handle_break(port))
+					continue;
+			}
+
+			if (cstat & UART_PARITY_ERR)
+				port->icount.parity++;
+			if (cstat & UART_FRAMING_ERR)
+				port->icount.frame++;
+			if (cstat & UART_OVERRUN_ERR) {
+				port->icount.overrun++;
+				tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+			}
+
+			/* update flag wrt read_status_mask */
+			cstat &= port->read_status_mask;
+			if (cstat & UART_BREAK_ERR)
+				flag = TTY_BREAK;
+			if (cstat & UART_FRAMING_ERR)
+				flag = TTY_FRAME;
+			if (cstat & UART_PARITY_ERR)
+				flag = TTY_PARITY;
+		}
+
+		if (uart_handle_sysrq_char(port, c))
+			continue;
+
+		/* fixthis */
+		if ((cstat & port->ignore_status_mask) == 0)
+			tty_insert_flip_char(tty, c, flag);
+	} while (max_count--);
+
+	tty_flip_buffer_push(tty);
+}
+
+/*
+ * fill tx fifo with chars to send, stop when fifo is about to be full
+ * or when all chars have been sent.
+ */
+static void adm_uart_do_tx(struct uart_port *port)
+{
+	struct circ_buf *xmit;
+
+	if (port->x_char) {
+		adm_uart_writel(port, port->x_char, UART_DR_REG);
+		port->icount.tx++;
+		port->x_char = 0;
+		return;
+	}
+
+	if (uart_tx_stopped(port))
+		adm_uart_stop_tx(port);
+
+	xmit = &port->state->xmit;
+
+	if (uart_circ_empty(xmit))
+		goto txq_empty;
+	do
+	{
+		while ((adm_uart_readl(port, UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
+			;
+		adm_uart_writel(port, xmit->buf[xmit->tail], UART_DR_REG);
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+		if (uart_circ_empty(xmit))
+			break;
+	} while (1);
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+
+	if (uart_circ_empty(xmit))
+		goto txq_empty;
+
+	return;
+
+txq_empty:
+	adm_uart_stop_tx(port);
+}
+
+/*
+ * process uart interrupt
+ */
+static irqreturn_t adm_uart_interrupt(int irq, void *dev_id)
+{
+	struct uart_port *port;
+	unsigned int irqstat;
+
+	port = dev_id;
+	spin_lock(&port->lock);
+
+	irqstat = adm_uart_readl(port, UART_IIR_REG);
+
+	if (irqstat & (UART_RX_INT|UART_RX_TIMEOUT_INT)) {
+		adm_uart_do_rx(port);
+	}
+
+	if (irqstat & UART_TX_INT) {
+		adm_uart_do_tx(port);
+	}
+	spin_unlock(&port->lock);
+	return IRQ_HANDLED;
+}
+
+/*
+ * enable rx & tx operation on uart
+ */
+static void adm_uart_enable(struct uart_port *port)
+{
+	unsigned int val;
+
+	val = adm_uart_readl(port, UART_CR_REG);
+	// BREAK_INT too
+	val |= (UART_RX_INT_EN | UART_RX_TIMEOUT_INT_EN);
+	adm_uart_writel(port, val, UART_CR_REG);
+}
+
+/*
+ * disable rx & tx operation on uart
+ */
+static void adm_uart_disable(struct uart_port *port)
+{
+	unsigned int val;
+
+	val = adm_uart_readl(port, UART_CR_REG);
+	val &= ~(UART_TX_INT_EN | UART_RX_INT_EN | UART_RX_TIMEOUT_INT_EN);
+	adm_uart_writel(port, val, UART_CR_REG);
+}
+
+/*
+ * clear all unread data in rx fifo and unsent data in tx fifo
+ */
+static void adm_uart_flush(struct uart_port *port)
+{
+	/* read any pending char to make sure all irq status are
+	 * cleared */
+	(void)adm_uart_readl(port, UART_DR_REG);
+}
+
+/*
+ * serial core request to initialize uart and start rx operation
+ */
+static int adm_uart_startup(struct uart_port *port)
+{
+	int ret;
+
+	/* clear any pending external input interrupt */
+	(void)adm_uart_readl(port, UART_IIR_REG);
+
+	/* register irq and enable rx interrupts */
+	ret = request_irq(port->irq, adm_uart_interrupt, 0,
+			  adm_uart_type(port), port);
+	if (ret)
+		return ret;
+
+	adm_uart_enable(port);
+
+	return 0;
+}
+
+/*
+ * serial core request to flush & disable uart
+ */
+static void adm_uart_shutdown(struct uart_port *port)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+//	adm_uart_writel(port, 0, UART_CR_REG);
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	adm_uart_disable(port);
+	adm_uart_flush(port);
+	free_irq(port->irq, port);
+}
+
+/*
+ * serial core request to change current uart setting
+ */
+static void adm_uart_set_termios(struct uart_port *port,
+				 struct ktermios *new,
+				 struct ktermios *old)
+{
+	port->ignore_status_mask = 0;
+	uart_update_timeout(port, new->c_cflag, 115200);
+}
+
+/*
+ * serial core request to claim uart iomem
+ */
+static int adm_uart_request_port(struct uart_port *port)
+{
+	unsigned int size = 0xf;
+	if (!request_mem_region(port->mapbase, size, "adm8668")) {
+		dev_err(port->dev, "Memory region busy\n");
+		return -EBUSY;
+	}
+
+	port->membase = ioremap(port->mapbase, size);
+	if (!port->membase) {
+		dev_err(port->dev, "Unable to map registers\n");
+		release_mem_region(port->mapbase, size);
+		return -EBUSY;
+	}
+	return 0;
+}
+
+/*
+ * serial core request to release uart iomem
+ */
+static void adm_uart_release_port(struct uart_port *port)
+{
+	release_mem_region(port->mapbase, 0xf);
+	iounmap(port->membase);
+}
+
+/*
+ * serial core request to do any port required autoconfiguration
+ */
+static void adm_uart_config_port(struct uart_port *port, int flags)
+{
+	if (flags & UART_CONFIG_TYPE) {
+		if (adm_uart_request_port(port))
+			return;
+		port->type = PORT_ADM8668;
+	}
+}
+
+/*
+ * serial core request to check that port information in serinfo are
+ * suitable
+ */
+static int adm_uart_verify_port(struct uart_port *port,
+				struct serial_struct *serinfo)
+{
+	if (port->type != PORT_ADM8668)
+		return -EINVAL;
+	if (port->irq != serinfo->irq)
+		return -EINVAL;
+	if (port->iotype != serinfo->io_type)
+		return -EINVAL;
+	if (port->mapbase != (unsigned long)serinfo->iomem_base)
+		return -EINVAL;
+	return 0;
+}
+
+/* serial core callbacks */
+static struct uart_ops adm_uart_ops = {
+	.tx_empty	= adm_uart_tx_empty,
+	.get_mctrl	= adm_uart_get_mctrl,
+	.set_mctrl	= adm_uart_set_mctrl,
+	.start_tx	= adm_uart_start_tx,
+	.stop_tx	= adm_uart_stop_tx,
+	.stop_rx	= adm_uart_stop_rx,
+	.enable_ms	= adm_uart_enable_ms,
+	.break_ctl	= adm_uart_break_ctl,
+	.startup	= adm_uart_startup,
+	.shutdown	= adm_uart_shutdown,
+	.set_termios	= adm_uart_set_termios,
+	.type		= adm_uart_type,
+	.release_port	= adm_uart_release_port,
+	.request_port	= adm_uart_request_port,
+	.config_port	= adm_uart_config_port,
+	.verify_port	= adm_uart_verify_port,
+};
+
+#ifdef CONFIG_SERIAL_ADM8668_CONSOLE
+static inline void wait_for_xmitr(struct uart_port *port)
+{
+        while ((adm_uart_readl(port, UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
+                ;
+}
+
+/*
+ * output given char
+ */
+static void adm_console_putchar(struct uart_port *port, int ch)
+{
+	wait_for_xmitr(port);
+	adm_uart_writel(port, ch, UART_DR_REG);
+}
+
+/*
+ * console core request to output given string
+ */
+static void adm_console_write(struct console *co, const char *s,
+			      unsigned int count)
+{
+	struct uart_port *port;
+	unsigned long flags;
+	int locked;
+
+	port = &ports[co->index];
+
+	local_irq_save(flags);
+	if (port->sysrq) {
+		/* adm_uart_interrupt() already took the lock */
+		locked = 0;
+	} else if (oops_in_progress) {
+		locked = spin_trylock(&port->lock);
+	} else {
+		spin_lock(&port->lock);
+		locked = 1;
+	}
+
+	/* call helper to deal with \r\n */
+	uart_console_write(port, s, count, adm_console_putchar);
+
+	/* and wait for char to be transmitted */
+	wait_for_xmitr(port);
+
+	if (locked)
+		spin_unlock(&port->lock);
+	local_irq_restore(flags);
+}
+
+/*
+ * console core request to setup given console, find matching uart
+ * port and setup it.
+ */
+static int adm_console_setup(struct console *co, char *options)
+{
+	struct uart_port *port;
+	int baud = 115200;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	if (co->index < 0 || co->index >= ADM8668_NR_UARTS)
+		return -EINVAL;
+	port = &ports[co->index];
+	if (!port->membase)
+		return -ENODEV;
+
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+
+	return uart_set_options(port, co, baud, parity, bits, flow);
+}
+
+static struct uart_driver adm_uart_driver;
+
+static struct console adm8668_console = {
+	.name		= "ttyS",
+	.write		= adm_console_write,
+	.device		= uart_console_device,
+	.setup		= adm_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &adm_uart_driver,
+};
+
+static int __init adm8668_console_init(void)
+{
+	register_console(&adm8668_console);
+	return 0;
+}
+
+console_initcall(adm8668_console_init);
+
+#define ADM8668_CONSOLE	(&adm8668_console)
+#else
+#define ADM8668_CONSOLE	NULL
+#endif /* CONFIG_SERIAL_ADM8668_CONSOLE */
+
+static struct uart_driver adm_uart_driver = {
+	.owner		= THIS_MODULE,
+	.driver_name	= "adm8668_uart",
+	.dev_name	= "ttyS",
+	.major		= TTY_MAJOR,
+	.minor		= 64,
+	.nr		= 1,
+	.cons		= ADM8668_CONSOLE,
+};
+
+/*
+ * platform driver probe/remove callback
+ */
+static int __devinit adm_uart_probe(struct platform_device *pdev)
+{
+	struct resource *res_mem, *res_irq;
+	struct uart_port *port;
+	int ret;
+
+	if (pdev->id < 0 || pdev->id >= ADM8668_NR_UARTS)
+		return -EINVAL;
+
+	if (ports[pdev->id].membase)
+		return -EBUSY;
+
+	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res_mem)
+		return -ENODEV;
+
+	res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res_irq)
+		return -ENODEV;
+
+	port = &ports[pdev->id];
+	memset(port, 0, sizeof(*port));
+	port->iotype = UPIO_MEM;
+	port->mapbase = res_mem->start;
+	port->irq = res_irq->start;
+	port->ops = &adm_uart_ops;
+	port->flags = UPF_BOOT_AUTOCONF;
+	port->dev = &pdev->dev;
+	port->fifosize = 8;
+	port->uartclk = ADM8668_UARTCLK_FREQ;
+
+	ret = uart_add_one_port(&adm_uart_driver, port);
+	if (ret) {
+		ports[pdev->id].membase = 0;
+		return ret;
+	}
+	platform_set_drvdata(pdev, port);
+	return 0;
+}
+
+static int __devexit adm_uart_remove(struct platform_device *pdev)
+{
+	struct uart_port *port;
+
+	port = platform_get_drvdata(pdev);
+	uart_remove_one_port(&adm_uart_driver, port);
+	platform_set_drvdata(pdev, NULL);
+	/* mark port as free */
+	ports[pdev->id].membase = 0;
+	return 0;
+}
+
+/*
+ * platform driver stuff
+ */
+static struct platform_driver adm_uart_platform_driver = {
+	.probe	= adm_uart_probe,
+	.remove	= __devexit_p(adm_uart_remove),
+	.driver	= {
+		.owner = THIS_MODULE,
+		.name  = "adm8668_uart",
+	},
+};
+
+static int __init adm_uart_init(void)
+{
+	int ret;
+
+	ret = uart_register_driver(&adm_uart_driver);
+	if (ret)
+		return ret;
+
+	ret = platform_driver_register(&adm_uart_platform_driver);
+	if (ret)
+		uart_unregister_driver(&adm_uart_driver);
+
+	return ret;
+}
+
+static void __exit adm_uart_exit(void)
+{
+	platform_driver_unregister(&adm_uart_platform_driver);
+	uart_unregister_driver(&adm_uart_driver);
+}
+
+module_init(adm_uart_init);
+module_exit(adm_uart_exit);
+
+MODULE_AUTHOR("Scott Nicholas <neutronscott@scottn.us>");
+MODULE_DESCRIPTION("ADM8668 integrated uart driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/u-boot.h b/target/linux/adm8668/files/arch/mips/adm8668/u-boot.h
new file mode 100644
index 0000000000..d9d226889b
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/u-boot.h
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _U_BOOT_H_
+#define _U_BOOT_H_	1
+
+typedef struct bd_info {
+	int		bi_baudrate;	/* serial console baudrate */
+	unsigned long	bi_ip_addr;	/* IP Address */
+	unsigned char	bi_enetaddr[6];	/* Ethernet adress */
+	unsigned long	bi_arch_number;	/* unique id for this board */
+	unsigned long	bi_boot_params;	/* where this board expects params */
+	unsigned long	bi_memstart;	/* start of DRAM memory */
+	unsigned long	bi_memsize;	/* size	 of DRAM memory in bytes */
+	unsigned long	bi_flashstart;	/* start of FLASH memory */
+	unsigned long	bi_flashsize;	/* size  of FLASH memory */
+	unsigned long	bi_flashoffset;	/* reserved area for startup monitor */
+} bd_t;
+
+struct global_data {
+	bd_t		*bd;            /* board data... */
+	unsigned long	flags;
+	unsigned long	baudrate;
+	unsigned long	have_console;   /* serial_init() was called */
+	unsigned long	ram_size;       /* RAM size */
+	unsigned long	reloc_off;      /* Relocation Offset */
+	unsigned long	env_addr;       /* Address  of Environment struct */
+	unsigned long	env_valid;      /* Checksum of Environment valid? */
+	void		**jt;           /* jump table */
+};
+
+#endif	/* _U_BOOT_H_ */
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/adm8668.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/adm8668.h
new file mode 100644
index 0000000000..7898ccf938
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/adm8668.h
@@ -0,0 +1,416 @@
+/************************************************************************
+ *
+ *    Copyright (c) 2005
+ *    Infineon Technologies AG
+ *    St. Martin Strasse 53; 81669 Muenchen; Germany
+ *
+ ************************************************************************/
+
+#ifndef  __ADM8668_H__
+#define  __ADM8668_H__
+
+#include <asm/addrspace.h>
+#include "bsp_sup.h"
+
+#define MEM_KSEG0_BASE		0x80000000
+#define MEM_KSEG1_BASE		0xA0000000
+#define MEM_SEG_MASK		0xE0000000
+#define KVA2PA(_addr)		((unsigned long)(_addr) & ~MEM_SEG_MASK)
+
+#define MIPS_KSEG0A(_addr)	(KVA2PA(_addr) | MEM_KSEG0_BASE)
+#define MIPS_KSEG1A(_addr)	(KVA2PA(_addr) | MEM_KSEG1_BASE)
+
+#define PA2VA(_addr)		(KVA2PA(_addr) | MEM_KSEG1_BASE)
+#define PA2CACHEVA(_addr)	(KVA2PA(_addr) | MEM_KSEG0_BASE)
+
+
+/*=======================  Physical Memory Map  ============================*/
+#define ADM8668_SDRAM_BASE	0
+#define ADM8668_SMEM1_BASE	0x10000000
+#define ADM8668_MPMC_BASE	0x11000000
+#define ADM8668_USB_BASE	0x11200000
+#define ADM8668_CONFIG_BASE	0x11400000
+#define ADM8668_WAN_BASE	0x11600000
+#define ADM8668_WLAN_BASE	0x11800000
+#define ADM8668_LAN_BASE	0x11A00000
+#define ADM8668_INTC_BASE	0x1E000000
+#define ADM8668_TMR_BASE	0x1E200000
+#define ADM8668_UART0_BASE	0x1E400000
+#define ADM8668_SMEM0_BASE	0x1FC00000
+#define ADM8668_NAND_BASE	0x1fffff00
+
+#define PCICFG_BASE		0x12200000
+#define PCIDAT_BASE		0x12400000
+
+/* for PCI bridge fixup ! */
+#define PCI_BRIDGE_MASK		0x40
+
+/* WLAN registers */
+#define WCSR0			0x00
+#define WCSR11A			0x5c
+
+#define GPIO_REG		WCSR11A
+
+#define ADM8668_WLAN_REG(_reg)		\
+	(*((volatile unsigned int *)(PA2VA(ADM8668_WLAN_BASE + (_reg)))))
+
+/* configuration registers */
+#define ADM8668_CR0		0x00
+#define ADM8668_CR1		0x04
+#define ADM8668_CR2		0x08
+#define ADM8668_CR3		0x0C
+#define ADM8668_CR8		0x20
+#define ADM8668_CR10		0x28
+#define ADM8668_CR11		0x2C
+#define ADM8668_CR12		0x30
+#define ADM8668_CR13		0x34
+#define ADM8668_CR14		0x38
+#define ADM8668_CR15		0x3C
+#define ADM8668_CR16		0x40
+#define ADM8668_CR17		0x44
+#define ADM8668_CR18		0x48
+#define ADM8668_CR19		0x4C
+#define ADM8668_CR20		0x50
+#define ADM8668_CR21		0x54
+#define ADM8668_CR22		0x58
+#define ADM8668_CR23		0x5C
+#define ADM8668_CR24		0x60
+#define ADM8668_CR25		0x64
+#define ADM8668_CR26		0x68
+#define ADM8668_CR27		0x6C
+#define ADM8668_CR28		0x70
+#define ADM8668_CR29		0x74
+#define ADM8668_CR30		0x78
+#define ADM8668_CR31		0x7C
+#define ADM8668_CR32		0x80
+#define ADM8668_CR33		0x84
+#define ADM8668_CR34		0x88
+#define ADM8668_CR35		0x8C
+#define ADM8668_CR36		0x90
+#define ADM8668_CR37		0x94
+#define ADM8668_CR38		0x98
+#define ADM8668_CR39		0x9C
+#define ADM8668_CR40		0xA0
+#define ADM8668_CR41		0xA4
+#define ADM8668_CR42		0xA8
+#define ADM8668_CR43		0xAC
+#define ADM8668_CR44		0xB0
+#define ADM8668_CR45		0xB4
+#define ADM8668_CR46		0xB8
+#define ADM8668_CR47		0xBC
+#define ADM8668_CR48		0xC0
+#define ADM8668_CR49		0xC4
+#define ADM8668_CR50		0xC8
+#define ADM8668_CR51		0xCC
+#define ADM8668_CR52		0xD0
+#define ADM8668_CR53		0xD4
+#define ADM8668_CR54		0xD8
+#define ADM8668_CR55		0xDC
+#define ADM8668_CR56		0xE0
+#define ADM8668_CR57		0xE4
+#define ADM8668_CR58		0xE8
+#define ADM8668_CR59		0xEC
+#define ADM8668_CR60		0xF0
+#define ADM8668_CR61		0xF4
+#define ADM8668_CR62		0xF8
+#define ADM8668_CR63		0xFC
+#define ADM8668_CR64		0x100
+#define ADM8668_CR65		0x104
+#define ADM8668_CR66		0x108
+#define ADM8668_CR67		0x10C
+#define ADM8668_CR68		0x110
+
+#define CRGPIO_REG		ADM8668_CR8
+
+#define ADM8668_CONFIG_REG(_reg)		\
+	(*((volatile unsigned int *)(PA2VA(ADM8668_CONFIG_BASE + (_reg)))))
+#define ADM8668_MPMC_REG(_reg)		\
+	(*((volatile unsigned int *)(PA2VA(ADM8668_MPMC_BASE + (_reg)))))
+
+
+/*==========================  Interrupt Controller ==========================*/
+/* registers offset */
+#define IRQ_STATUS_REG		0x00	/* Read */
+#define IRQ_RAW_STATUS_REG	0x04	/* Read */
+#define IRQ_ENABLE_REG		0x08	/* Read/Write */
+#define IRQ_DISABLE_REG		0x0C	/* Write */
+#define IRQ_SOFT_REG		0x10	/* Write */
+
+#define FIQ_STATUS_REG		0x100	/* Read */
+#define FIQ_RAW_STATUS_REG	0x104
+#define FIQ_ENABLE_REG		0x108
+#define FIQ_DISABLE_REG		0x10c
+
+
+/*  Macro for accessing Interrupt controller register  */
+#define ADM8668_INTC_REG(_reg)		\
+	(*((volatile unsigned long *)(PA2VA(ADM8668_INTC_BASE + (_reg)))))
+
+
+/* interrupt levels */
+#define INT_LVL_SWI		1
+#define INT_LVL_COMMS_RX	2
+#define INT_LVL_COMMS_TX	3
+#define INT_LVL_TIMERINT0	4
+#define INT_LVL_TIMERINT1	5
+#define INT_LVL_UART0		6
+#define INT_LVL_LAN		7
+#define INT_LVL_WAN		8
+#define INT_LVL_WLAN		9
+#define INT_LVL_GPIO		10
+#define INT_LVL_IDE		11
+#define INT_LVL_PCI2		12
+#define INT_LVL_PCI1		13
+#define INT_LVL_PCI0		14
+#define INT_LVL_USB		15
+#define INT_LVL_MAX		INT_LVL_USB
+
+#define IRQ_MASK		0xffff
+
+#define IRQ_SWI			(0x1<<INT_LVL_SWI)
+#define IRQ_TIMERINT0		(0x1<<INT_LVL_TIMERINT0)
+#define IRQ_TIMERINT1		(0x1<<INT_LVL_TIMERINT1)
+#define IRQ_UART0		(0x1<<INT_LVL_UART0)
+#define IRQ_LAN			(0x1<<INT_LVL_LAN)
+#define IRQ_WAN			(0x1<<INT_LVL_WAN)
+#define IRQ_WLAN		(0x1<<INT_LVL_WLAN)
+#define IRQ_GPIO		(0x1<<INT_LVL_GPIO)
+#define IRQ_IDEINT		(0x1<<INT_LVL_IDE)
+#define IRQ_PCI2		(0x1<<INT_LVL_PCI2)
+#define IRQ_PCI1		(0x1<<INT_LVL_PCI1)
+#define IRQ_PCI0		(0x1<<INT_LVL_PCI0)
+#define IRQ_USB			(0x1<<INT_LVL_USB)
+
+
+/*===========================  UART Control Register ========================*/
+#define UART_DR_REG		0x00
+#define UART_RSR_REG		0x04
+#define UART_ECR_REG		0x04
+#define UART_LCR_H_REG		0x08
+#define UART_LCR_M_REG		0x0c
+#define UART_LCR_L_REG		0x10
+#define UART_CR_REG		0x14
+#define UART_FR_REG		0x18
+#define UART_IIR_REG		0x1c
+#define UART_ICR_REG		0x1C
+#define UART_ILPR_REG		0x20
+
+/*  rsr/ecr reg  */
+#define UART_OVERRUN_ERR	0x08
+#define UART_BREAK_ERR		0x04
+#define UART_PARITY_ERR		0x02
+#define UART_FRAMING_ERR	0x01
+#define UART_RX_STATUS_MASK	0x0f
+#define UART_RX_ERROR		( UART_BREAK_ERR	\
+				| UART_PARITY_ERR	\
+				| UART_FRAMING_ERR)
+
+/*  lcr_h reg  */
+#define UART_SEND_BREAK		0x01
+#define UART_PARITY_EN		0x02
+#define UART_EVEN_PARITY	0x04
+#define UART_TWO_STOP_BITS	0x08
+#define UART_ENABLE_FIFO	0x10
+
+#define UART_WLEN_5BITS		0x00
+#define UART_WLEN_6BITS		0x20
+#define UART_WLEN_7BITS		0x40
+#define UART_WLEN_8BITS		0x60
+#define UART_WLEN_MASK		0x60
+
+/*  cr reg  */
+#define UART_PORT_EN			0x01
+#define UART_SIREN			0x02
+#define UART_SIRLP			0x04
+#define UART_MODEM_STATUS_INT_EN	0x08
+#define UART_RX_INT_EN			0x10
+#define UART_TX_INT_EN			0x20
+#define UART_RX_TIMEOUT_INT_EN		0x40
+#define UART_LOOPBACK_EN		0x80
+
+/*  fr reg  */
+#define UART_CTS		0x01
+#define UART_DSR		0x02
+#define UART_DCD		0x04
+#define UART_BUSY		0x08
+#define UART_RX_FIFO_EMPTY	0x10
+#define UART_TX_FIFO_FULL	0x20
+#define UART_RX_FIFO_FULL	0x40
+#define UART_TX_FIFO_EMPTY	0x80
+
+/*  iir/icr reg  */
+#define UART_MODEM_STATUS_INT	0x01
+#define UART_RX_INT		0x02
+#define UART_TX_INT		0x04
+#define UART_RX_TIMEOUT_INT	0x08
+
+#define UART_INT_MASK		0x0f
+
+#ifdef _FPGA_
+#define ADM8668_UARTCLK_FREQ	3686400
+#else
+#define ADM8668_UARTCLK_FREQ	62500000
+#endif
+
+#define UART_BAUDDIV(_rate)				\
+	((unsigned long)(ADM8668_UARTCLK_FREQ/(16*(_rate)) - 1))
+
+/*  uart_baudrate  */
+#define UART_230400bps_DIVISOR	UART_BAUDDIV(230400)
+#define UART_115200bps_DIVISOR	UART_BAUDDIV(115200)
+#define UART_76800bps_DIVISOR	UART_BAUDDIV(76800)
+#define UART_57600bps_DIVISOR	UART_BAUDDIV(57600)
+#define UART_38400bps_DIVISOR	UART_BAUDDIV(38400)
+#define UART_19200bps_DIVISOR	UART_BAUDDIV(19200)
+#define UART_14400bps_DIVISOR	UART_BAUDDIV(14400)
+#define UART_9600bps_DIVISOR	UART_BAUDDIV(9600)
+#define UART_2400bps_DIVISOR	UART_BAUDDIV(2400)
+#define UART_1200bps_DIVISOR	UART_BAUDDIV(1200)
+
+
+/*===========================  Counter Timer ==============================*/
+#define TIMER0_REG_BASE		ADM8668_TMR_BASE
+#define TIMER1_REG_BASE		ADM8668_TMR_BASE+0x20
+
+#define TIMER_LOAD_REG		0x00
+#define TIMER_VALUE_REG		0x04
+#define TIMER_CTRL_REG		0x08
+#define TIMER_CLR_REG		0x0c
+
+/* TIMER_LOAD_REG */
+#ifdef _FPGA_
+#define SYS_CLOCK		56000000
+#else
+#define SYS_CLOCK		175000000
+#endif
+
+#define SYS_PRESCALE		256
+
+#define TMR_10MS_TICKS		(SYS_CLOCK/SYS_PRESCALE/100)
+
+/* TIMER_CTRL_REG */
+#define TMR_PRESCALE_1		0x00
+#define TMR_PRESCALE_16		0x04
+#define TMR_PRESCALE_256	0x08
+#define TMR_MODE_PERIODIC	0x40
+#define TMR_ENABLE		0x80
+
+/* TIMER_CLR_REG */
+#define TMR_CLEAR_BIT		1
+
+
+/* Macro for access MPMC register */
+#define ADM8668_TMR_REG(base, _offset)				\
+		(*((volatile unsigned long *)(PA2VA(base + (_offset)))))
+
+
+/* For GPIO control */
+#define GPIO0_OUTPUT_ENABLE	0x1000
+#define GPIO1_OUTPUT_ENABLE	0x2000
+#define GPIO2_OUTPUT_ENABLE	0x4000
+#define GPIO_OUTPUT_ENABLE_ALL	0x7000
+#define GPIO0_OUTPUT_1		0x40
+#define GPIO1_OUTPUT_1		0x80
+#define GPIO2_OUTPUT_1		0x100
+#define GPIO0_INPUT_1		0x1
+#define GPIO1_INPUT_1		0x2
+#define GPIO2_INPUT_1		0x4
+
+#define GPIO_SET_HI(num)	\
+	ADM8668_WLAN_REG(GPIO_REG) |= (1 << (6 + num))
+
+#define GPIO_SET_LOW(num)	\
+	ADM8668_WLAN_REG(GPIO_REG) &= ~(1 << (6 + num))
+
+#define GPIO_TOGGLE(num)	\
+	ADM8668_WLAN_REG(GPIO_REG) ^= (1 << (6 + num))
+
+#define CRGPIO_SET_HI(num)	\
+	ADM8668_CONFIG_REG(CRGPIO_REG) |= (1 << (6 + num))
+
+#define CRGPIO_SET_LOW(num)	\
+	ADM8668_CONFIG_REG(CRGPIO_REG) &= ~(1 << (6 + num))
+
+#define CRGPIO_TOGGLE(num)	\
+	ADM8668_CONFIG_REG(CRGPIO_REG) ^= (1 << (6 + num))
+
+
+/*==========================================================================*/
+/* Cache Controller */
+#define ADM8668_CACHE_LINE_SIZE		16
+
+#define BIT_0			0x00000001
+#define BIT_1			0x00000002
+#define BIT_2			0x00000004
+#define BIT_3			0x00000008
+#define BIT_4			0x00000010
+#define BIT_5			0x00000020
+#define BIT_6			0x00000040
+#define BIT_7			0x00000080
+#define BIT_8			0x00000100
+#define BIT_9			0x00000200
+#define BIT_10			0x00000400
+#define BIT_11			0x00000800
+#define BIT_12			0x00001000
+#define BIT_13			0x00002000
+#define BIT_14			0x00004000
+#define BIT_15			0x00008000
+#define BIT_16			0x00010000
+#define BIT_17			0x00020000
+#define BIT_18			0x00040000
+#define BIT_19			0x00080000
+#define BIT_20			0x00100000
+#define BIT_21			0x00200000
+#define BIT_22			0x00400000
+#define BIT_23			0x00800000
+#define BIT_24			0x01000000
+#define BIT_25			0x02000000
+#define BIT_26			0x04000000
+#define BIT_27			0x08000000
+#define BIT_28			0x10000000
+#define BIT_29			0x20000000
+#define BIT_30			0x40000000
+#define BIT_31			0x80000000
+
+/* network regs */
+#define	NETCSR0			0x0
+#define	NETCSR1			0x08
+#define	NETCSR2			0x10
+#define	NETCSR3			0x18
+#define	NETCSR4			0x20
+#define	NETCSR5			0x28
+#define	NETCSR6			0x30
+#define	NETCSR7			0x38
+#define	NETCSR8			0x40
+#define	NETCSR9			0x48
+#define	NETCSR10		0x50
+#define	NETCSR11		0x58
+#define	NETCSR12		0x60
+#define	NETCSR13		0x68
+#define	NETCSR14		0x70
+#define	NETCSR15		0x78
+#define	NETCSR36		0xD0
+#define	NETCSR36A		0xD4
+#define	NETCSR36B		0xD8
+#define	NETCSR36C		0xDC	// dummy
+#define	NETCSR36D		0xE0
+#define	NETCSR36E		0xE4
+#define	NETCSR36F		0xE8
+#define	NETCSR36G		0xEC
+#define	NETCSR36H		0xF0
+#define	NETCSR36I		0xF4
+#define	NETCSR37		0xF8
+
+/* for descriptor skip DWs */
+#define NETDESCSKIP_1DW		BIT_2
+#define NETDESCSKIP_2DW		BIT_3
+#define NETDESCSKIP_3DW		(BIT_3|BIT_2)
+#define NETDESCSKIP_4DW		BIT_4
+
+
+#define ADM8668_LAN_REG(_reg)		\
+	(*((volatile unsigned int *)(PA2VA(ADM8668_LAN_BASE + (_reg)))))
+#define ADM8668_WAN_REG(_reg)		\
+	(*((volatile unsigned int *)(PA2VA(ADM8668_WAN_BASE + (_reg)))))
+
+#endif /* __ADM8668_H__ */
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/bsp_sup.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/bsp_sup.h
new file mode 100644
index 0000000000..23fdab97c2
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/bsp_sup.h
@@ -0,0 +1,84 @@
+/************************************************************************
+ *
+ *    Copyright (c) 2005
+ *    Infineon Technologies AG
+ *    St. Martin Strasse 53; 81669 Muenchen; Germany
+ *
+ ************************************************************************/
+#ifndef _BSP_SUP_H_
+#define _BSP_SUP_H_
+
+#define ADD_WAN_MAC
+#define CONFIG_IFX_GAN
+#define UBOOT_CFG_ENV_SIZE	(0x400-4)
+#define ADM8668_BL_MAGIC	0x6c62676d
+#define ADM8668_MAC_MAGIC	0x69666164
+#define ADM8668_VER_MAGIC	0x7276676d
+#define ADM8668_ID_MAGIC	0x6469676d
+#define ADM8668_IF_MAGIC	0x6669676d
+#define ADM8668_WANMAC_MAGIC	0x69666164
+#define ADM8668_IMEI_MAGIC	0x6669676e
+
+#define BSP_IFNAME_MAX_LEN	15
+#define BOOT_LINE_SIZE		255
+#define BSP_STR_LEN		79
+
+
+/*
+ * Boot mode configuration
+ */
+typedef struct BTMODE_CFG_S
+{
+	unsigned long btmode;
+	unsigned long dlmethod;
+} BTMODE_CFG_T;
+
+
+/*
+ * Interface configuration
+ */
+typedef struct IF_CFG_S
+{
+	char ifname[BSP_IFNAME_MAX_LEN+1];
+	unsigned long ip;
+	unsigned long mask;
+	unsigned long gateway;
+} IF_CFG_T;
+
+
+/*
+ * Board configuration
+ */
+typedef struct BOARD_CFG_S
+{
+	unsigned long blmagic;
+	unsigned char blreserved[UBOOT_CFG_ENV_SIZE];
+
+	unsigned long macmagic;
+	unsigned char mac[8];
+	unsigned long macnum;
+
+	unsigned long idmagic;
+	unsigned char serial[BSP_STR_LEN+1];
+
+	unsigned long vermagic;
+	unsigned char ver[BSP_STR_LEN+1];
+
+	unsigned long ifmagic;
+	IF_CFG_T ifcfg[8];
+
+	unsigned long btmagic;
+	BTMODE_CFG_T bootmode;
+
+	unsigned long wanmagic;
+    	unsigned char wanmac[8];
+
+	unsigned long imeimagic;
+	unsigned char imei0[16];
+	unsigned char imei1[16];
+} BOARD_CFG_T, *PBOARD_CFG_T;
+
+#define ADM8668_BOARD_CFG_ADDR	(ADM8668_SMEM0_BASE + CONFIG_ADM8668_BSP_OFFSET*1024)
+#define ADM8668_BOARD_CFG_SIZE	(CONFIG_ADM8668_BSP_SIZE*1024)
+
+#endif  /* _BSP_SUP_H_   */
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/irq.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/irq.h
new file mode 100644
index 0000000000..425bba6a9f
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/irq.h
@@ -0,0 +1,35 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 by Ralf Baechle
+ */
+#ifndef __ASM_MACH_ADM8668_IRQ_H
+#define __ASM_MACH_ADM8668_IRQ_H
+
+#ifndef NR_IRQS
+#define NR_IRQS	32
+#endif
+
+#ifdef CONFIG_IRQ_CPU
+
+#ifndef MIPS_CPU_IRQ_BASE
+#define MIPS_CPU_IRQ_BASE 16
+#endif
+
+#ifdef CONFIG_IRQ_CPU_RM7K
+#ifndef RM7K_CPU_IRQ_BASE
+#define RM7K_CPU_IRQ_BASE (MIPS_CPU_IRQ_BASE+8)
+#endif
+#endif
+
+#ifdef CONFIG_IRQ_CPU_RM9K
+#ifndef RM9K_CPU_IRQ_BASE
+#define RM9K_CPU_IRQ_BASE (MIPS_CPU_IRQ_BASE+12)
+#endif
+#endif
+
+#endif /* CONFIG_IRQ_CPU */
+
+#endif /* __ASM_MACH_ADM8668_IRQ_H */
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/prom.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/prom.h
new file mode 100644
index 0000000000..000d0f4a46
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/prom.h
@@ -0,0 +1,55 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * ########################################################################
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ * MIPS boards bootprom interface for the Linux kernel.
+ *
+ */
+/************************************************************************
+ *
+ * Copyright (c) 2005
+ * Infineon Technologies AG
+ * St. Martin Strasse 53; 81669 Muenchen; Germany
+ *
+ ************************************************************************/
+#ifndef _MIPS_PROM_H
+#define _MIPS_PROM_H
+
+extern char *prom_getcmdline(void);
+extern char *prom_getenv(char *name);
+extern void setup_prom_printf(int tty_no);
+extern void prom_printf(char *fmt, ...);
+extern void prom_init_cmdline(void);
+extern void prom_meminit(void);
+extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
+extern void prom_free_prom_memory (void);
+extern void mips_display_message(const char *str);
+extern void mips_display_word(unsigned int num);
+extern int get_ethernet_addr(char *ethernet_addr);
+
+/* Memory descriptor management. */
+#define PROM_MAX_PMEMBLOCKS    32
+struct prom_pmemblock {
+        unsigned long base; /* Within KSEG0. */
+        unsigned int size;  /* In bytes. */
+        unsigned int type;  /* free or prom memory */
+};
+
+#endif /* !(_MIPS_PROM_H) */
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/war.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/war.h
new file mode 100644
index 0000000000..7180043d34
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/war.h
@@ -0,0 +1,25 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
+ */
+#ifndef __ASM_MIPS_MACH_ADM8668_WAR_H
+#define __ASM_MIPS_MACH_ADM8668_WAR_H
+
+#define R4600_V1_INDEX_ICACHEOP_WAR	0
+#define R4600_V1_HIT_CACHEOP_WAR	0
+#define R4600_V2_HIT_CACHEOP_WAR	0
+#define R5432_CP0_INTERRUPT_WAR		0
+#define BCM1250_M3_WAR			0
+#define SIBYTE_1956_WAR			0
+#define MIPS4K_ICACHE_REFILL_WAR	0
+#define MIPS_CACHE_SYNC_WAR		0
+#define TX49XX_ICACHE_INDEX_INV_WAR	0
+#define RM9000_CDEX_SMP_WAR		0
+#define ICACHE_REFILLS_WORKAROUND_WAR	0
+#define R10000_LLSC_WAR			0
+#define MIPS34K_MISSED_ITLB_WAR		0
+
+#endif /* __ASM_MIPS_MACH_ADM8668_WAR_H */