Preliminary ADM5120 support, marked as broken

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6614 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 2035 insertions, 0 deletions

diff --git a/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c b/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c
new file mode 100644
index 000000000..6fccfb029
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c
@@ -0,0 +1,58 @@
+/*
+ *	ADM5120 LED (GPIO) driver
+ *
+ *	Copyright (C) Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ */
+
+#include <linux/autoconf.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+
+#define LED_MINOR 151
+#define GPIO_IO        ((unsigned long *)0xb20000b8)
+
+static ssize_t adm5120_led_write(struct file *file, const char __user *data,
+	size_t len, loff_t *ppos)
+{
+	unsigned char val;
+
+	if (!len || get_user(val, data))
+		return -EFAULT;
+	*GPIO_IO=(*GPIO_IO & 0x00ffffff) | (val<<24);
+	return 1;
+}
+
+static struct file_operations adm5120_led_fops = {
+	.owner	= THIS_MODULE,
+	.write	= adm5120_led_write,
+};
+
+static struct miscdevice adm5120_led_device = {
+	LED_MINOR,
+	"led",
+	&adm5120_led_fops,
+};
+
+static int __init adm5120_led_init(void)
+{
+	printk(KERN_INFO "ADM5120 LED & GPIO driver\n");
+	if (misc_register(&adm5120_led_device)) {
+		printk(KERN_WARNING "Couldn't register device %d\n", LED_MINOR);
+		return -EBUSY;
+	}
+	return 0;
+}
+
+static void __exit adm5120_led_exit(void)
+{
+	misc_deregister(&adm5120_led_device);
+}
+
+module_init(adm5120_led_init);
+module_exit(adm5120_led_exit);
+
+MODULE_DESCRIPTION("ADM5120 LED and GPIO driver");
+MODULE_AUTHOR("Jeroen Vreeken");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
new file mode 100644
index 000000000..a9e97cb31
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
@@ -0,0 +1,55 @@
+/*
+ *	Flash device on the ADM5120 board
+ *
+ *	Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License version
+ *	2 as published by the Free Software Foundation.
+ */
+
+#include <linux/autoconf.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+
+#define FLASH_PHYS_ADDR		0x1FC00000
+#define FLASH_SIZE 		0x200000  
+
+static struct mtd_info *adm5120_mtd;
+
+static struct map_info adm5120_mtd_map = {
+	.name = "ADM5120",
+	.size = FLASH_SIZE,
+	.bankwidth = 2,
+	.phys = FLASH_PHYS_ADDR,
+};
+
+static int __init adm5120_mtd_init(void)
+{
+	printk(KERN_INFO "ADM5120 board flash (0x%x at 0x%x)\n", FLASH_SIZE,
+	    FLASH_PHYS_ADDR);
+	adm5120_mtd_map.virt = ioremap_nocache(FLASH_PHYS_ADDR, FLASH_SIZE);
+	simple_map_init(&adm5120_mtd_map);
+	adm5120_mtd = do_map_probe("cfi_probe", &adm5120_mtd_map);
+	if (adm5120_mtd) {
+		adm5120_mtd->owner = THIS_MODULE;
+		add_mtd_device(adm5120_mtd);
+		return 0;
+	}
+	return -ENXIO;
+}
+
+static void __exit adm5120_mtd_exit(void)
+{
+	del_mtd_device(adm5120_mtd);
+	map_destroy(adm5120_mtd);
+}
+
+module_init(adm5120_mtd_init);
+module_exit(adm5120_mtd_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+MODULE_DESCRIPTION("MTD map driver for ADM5120 boards");
diff --git a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
new file mode 100644
index 000000000..935016c3a
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
@@ -0,0 +1,502 @@
+/*
+ *	ADM5120 built in ethernet switch driver
+ *
+ *	Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ *	Inspiration for this driver came from the original ADMtek 2.4 
+ *	driver, Copyright ADMtek Inc.
+ */
+#include <linux/autoconf.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <asm/mipsregs.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include "adm5120sw.h"
+
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+MODULE_DESCRIPTION("ADM5120 ethernet switch driver");
+MODULE_LICENSE("GPL");
+
+/*
+ *	The ADM5120 uses an internal matrix to determine which ports
+ *	belong to which VLAN.
+ *	The default generates a VLAN (and device) for each port 
+ *	(including MII port) and the CPU port is part of all of them.
+ *
+ *	Another example, one big switch and everything mapped to eth0:
+ *	0x7f, 0x00, 0x00, 0x00, 0x00, 0x00
+ */
+static unsigned char vlan_matrix[SW_DEVS] = {
+	0x41, 0x42, 0x44, 0x48, 0x50, 0x60
+};
+
+static int adm5120_nrdevs;
+
+static struct net_device *adm5120_devs[SW_DEVS];
+static struct adm5120_dma 
+    adm5120_dma_txh_v[ADM5120_DMA_TXH] __attribute__((aligned(16))),
+    adm5120_dma_txl_v[ADM5120_DMA_TXL] __attribute__((aligned(16))),
+    adm5120_dma_rxh_v[ADM5120_DMA_RXH] __attribute__((aligned(16))),
+    adm5120_dma_rxl_v[ADM5120_DMA_RXL] __attribute__((aligned(16))),
+    *adm5120_dma_txh,
+    *adm5120_dma_txl,
+    *adm5120_dma_rxh,
+    *adm5120_dma_rxl;
+static struct sk_buff
+    *adm5120_skb_rxh[ADM5120_DMA_RXH],
+    *adm5120_skb_rxl[ADM5120_DMA_RXL],
+    *adm5120_skb_txh[ADM5120_DMA_TXH],
+    *adm5120_skb_txl[ADM5120_DMA_TXL];
+static int adm5120_rxhi = 0;
+static int adm5120_rxli = 0;
+/* We don't use high priority tx for now */
+/*static int adm5120_txhi = 0;*/
+static int adm5120_txli = 0;
+static int adm5120_txhit = 0;
+static int adm5120_txlit = 0;
+static int adm5120_if_open = 0;
+
+static inline void adm5120_set_reg(unsigned int reg, unsigned long val)
+{
+	*(volatile unsigned long*)(SW_BASE+reg) = val;
+}
+
+static inline unsigned long adm5120_get_reg(unsigned int reg)
+{
+	return *(volatile unsigned long*)(SW_BASE+reg);
+}
+
+static inline void adm5120_rxfixup(struct adm5120_dma *dma,
+    struct sk_buff **skbl, int num)
+{
+	int i;
+
+	/* Resubmit the entire ring */
+	for (i=0; i<num; i++) {
+		dma[i].status = 0;
+		dma[i].cntl = 0;
+		dma[i].len = ADM5120_DMA_RXSIZE;
+		dma[i].data = ADM5120_DMA_ADDR(skbl[i]->data) |
+		     ADM5120_DMA_OWN | (i==num-1 ? ADM5120_DMA_RINGEND : 0);
+	}
+}
+
+static inline void adm5120_rx(struct adm5120_dma *dma, struct sk_buff **skbl,
+    int *index, int num)
+{
+	struct sk_buff *skb, *skbn;
+	struct adm5120_sw *priv;
+	struct net_device *dev;
+	int port, vlan, len;
+
+	while (!(dma[*index].data & ADM5120_DMA_OWN)) {
+		port = (dma[*index].status & ADM5120_DMA_PORTID);
+		port >>= ADM5120_DMA_PORTSHIFT;
+		for (vlan = 0; vlan < adm5120_nrdevs; vlan++) {
+			if ((1<<port) & vlan_matrix[vlan])
+				break;
+		}
+		if (vlan == adm5120_nrdevs)
+			vlan = 0;
+		dev = adm5120_devs[vlan];
+		skb = skbl[*index];
+		len = (dma[*index].status & ADM5120_DMA_LEN);
+		len >>= ADM5120_DMA_LENSHIFT;
+		len -= ETH_FCS;
+
+		priv = netdev_priv(dev);
+		if (len <= 0 || len > ADM5120_DMA_RXSIZE ||
+		    dma[*index].status & ADM5120_DMA_FCSERR) {
+			priv->stats.rx_errors++;
+			skbn = NULL;
+		} else {
+			skbn = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
+			if (skbn) {
+				skb_put(skb, len);
+				skb->dev = dev;
+				skb->protocol = eth_type_trans(skb, dev);
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+				dev->last_rx = jiffies;
+				priv->stats.rx_packets++;
+				priv->stats.rx_bytes+=len;
+				skb_reserve(skbn, 2);
+				skbl[*index] = skbn;
+			} else {
+				printk(KERN_INFO "%s recycling!\n", dev->name);
+			}
+		}
+
+		dma[*index].status = 0;
+		dma[*index].cntl = 0;
+		dma[*index].len = ADM5120_DMA_RXSIZE;
+		dma[*index].data = ADM5120_DMA_ADDR(skbl[*index]->data) |
+		     ADM5120_DMA_OWN |
+		     (num-1==*index ? ADM5120_DMA_RINGEND : 0);
+		if (num == ++*index)
+			*index = 0;
+		if (skbn)
+			netif_rx(skb);
+	}
+}
+
+static inline void adm5120_tx(struct adm5120_dma *dma, struct sk_buff **skbl,
+    int *index, int num)
+{
+	while((dma[*index].data & ADM5120_DMA_OWN) == 0 && skbl[*index]) {
+		dev_kfree_skb_irq(skbl[*index]);
+		skbl[*index] = NULL;
+		if (++*index == num)
+			*index = 0;
+	}
+}
+
+irqreturn_t adm5120_sw_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+	unsigned long intreg;
+
+	adm5120_set_reg(ADM5120_INT_MASK,
+	    adm5120_get_reg(ADM5120_INT_MASK) | ADM5120_INTHANDLE);
+
+	intreg = adm5120_get_reg(ADM5120_INT_ST);
+	adm5120_set_reg(ADM5120_INT_ST, intreg);
+
+	if (intreg & ADM5120_INT_RXH)
+		adm5120_rx(adm5120_dma_rxh, adm5120_skb_rxh, &adm5120_rxhi,
+		ADM5120_DMA_RXH);
+	if (intreg & ADM5120_INT_HFULL)
+		adm5120_rxfixup(adm5120_dma_rxh, adm5120_skb_rxh,
+		ADM5120_DMA_RXH);
+	if (intreg & ADM5120_INT_RXL)
+		adm5120_rx(adm5120_dma_rxl, adm5120_skb_rxl, &adm5120_rxli,
+		    ADM5120_DMA_RXL);
+	if (intreg & ADM5120_INT_LFULL)
+		adm5120_rxfixup(adm5120_dma_rxl, adm5120_skb_rxl,
+		ADM5120_DMA_RXL);
+	if (intreg & ADM5120_INT_TXH)
+		adm5120_tx(adm5120_dma_txh, adm5120_skb_txh, &adm5120_txhit,
+		ADM5120_DMA_TXH);
+	if (intreg & ADM5120_INT_TXL)
+		adm5120_tx(adm5120_dma_txl, adm5120_skb_txl, &adm5120_txlit,
+		ADM5120_DMA_TXL);
+
+	adm5120_set_reg(ADM5120_INT_MASK,
+	    adm5120_get_reg(ADM5120_INT_MASK) & ~ADM5120_INTHANDLE);
+
+	return IRQ_HANDLED;
+}
+
+static void adm5120_set_vlan(char *matrix)
+{
+	unsigned long val;
+
+	val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
+	adm5120_set_reg(ADM5120_VLAN_GI, val);
+	val = matrix[4] + (matrix[5]<<8);
+	adm5120_set_reg(ADM5120_VLAN_GII, val);
+}
+
+static int adm5120_sw_open(struct net_device *dev)
+{
+	if (!adm5120_if_open++)
+		adm5120_set_reg(ADM5120_INT_MASK,
+		    adm5120_get_reg(ADM5120_INT_MASK) & ~ADM5120_INTHANDLE);
+	netif_start_queue(dev);
+	return 0;
+}
+
+static int adm5120_sw_stop(struct net_device *dev)
+{
+	netif_stop_queue(dev);
+	if (!--adm5120_if_open)
+		adm5120_set_reg(ADM5120_INT_MASK,
+		    adm5120_get_reg(ADM5120_INT_MASK) | ADM5120_INTMASKALL);
+	return 0;
+}
+
+static int adm5120_sw_tx(struct sk_buff *skb, struct net_device *dev)
+{
+	struct adm5120_dma *dma = adm5120_dma_txl;
+	struct sk_buff **skbl = adm5120_skb_txl;
+	struct adm5120_sw *priv = netdev_priv(dev);
+	int *index = &adm5120_txli;
+	int num = ADM5120_DMA_TXL;
+	int trigger = ADM5120_SEND_TRIG_L;
+
+	dev->trans_start = jiffies;
+	if (dma[*index].data & ADM5120_DMA_OWN) {
+		dev_kfree_skb(skb);
+		priv->stats.tx_dropped++;
+		return 0;
+	}
+
+	dma[*index].data = ADM5120_DMA_ADDR(skb->data) | ADM5120_DMA_OWN;
+	if (*index == num-1)
+		dma[*index].data |= ADM5120_DMA_RINGEND;
+	dma[*index].status =
+	    ((skb->len<ETH_ZLEN?ETH_ZLEN:skb->len) << ADM5120_DMA_LENSHIFT) |
+	    (0x1 << priv->port);
+	dma[*index].len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
+	priv->stats.tx_packets++;
+	priv->stats.tx_bytes += skb->len;
+	skbl[*index]=skb;
+
+	if (++*index == num)
+		*index = 0;
+	adm5120_set_reg(ADM5120_SEND_TRIG, trigger);
+
+	return 0;
+}
+
+static void adm5120_tx_timeout(struct net_device *dev)
+{
+	netif_wake_queue(dev);
+}
+
+static struct net_device_stats *adm5120_sw_stats(struct net_device *dev)
+{
+	return &((struct adm5120_sw *)netdev_priv(dev))->stats;
+}
+
+static void adm5120_set_multicast_list(struct net_device *dev)
+{
+	struct adm5120_sw *priv = netdev_priv(dev);
+	int portmask;
+
+	portmask = vlan_matrix[priv->port] & 0x3f;
+
+	if (dev->flags & IFF_PROMISC)
+		adm5120_set_reg(ADM5120_CPUP_CONF,
+		    adm5120_get_reg(ADM5120_CPUP_CONF) &
+		    ~((portmask << ADM5120_DISUNSHIFT) & ADM5120_DISUNALL));
+	else
+		adm5120_set_reg(ADM5120_CPUP_CONF,
+		    adm5120_get_reg(ADM5120_CPUP_CONF) |
+		    (portmask << ADM5120_DISUNSHIFT));
+
+	if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
+	    dev->mc_count)
+		adm5120_set_reg(ADM5120_CPUP_CONF,
+		    adm5120_get_reg(ADM5120_CPUP_CONF) &
+		    ~((portmask << ADM5120_DISMCSHIFT) & ADM5120_DISMCALL));
+	else
+		adm5120_set_reg(ADM5120_CPUP_CONF,
+		    adm5120_get_reg(ADM5120_CPUP_CONF) |
+		    (portmask << ADM5120_DISMCSHIFT));
+}
+
+static void adm5120_write_mac(struct net_device *dev)
+{
+	struct adm5120_sw *priv = netdev_priv(dev);
+	unsigned char *mac = dev->dev_addr;
+
+	adm5120_set_reg(ADM5120_MAC_WT1,
+	    mac[2] | (mac[3]<<8) | (mac[4]<<16) | (mac[5]<<24));
+	adm5120_set_reg(ADM5120_MAC_WT0, (priv->port<<3) |
+	    (mac[0]<<16) | (mac[1]<<24) | ADM5120_MAC_WRITE | ADM5120_VLAN_EN);
+
+	while (!(adm5120_get_reg(ADM5120_MAC_WT0) & ADM5120_MAC_WRITE_DONE));
+}
+
+static int adm5120_sw_set_mac_address(struct net_device *dev, void *p)
+{
+	struct sockaddr *addr = p;
+
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	adm5120_write_mac(dev);
+	return 0;
+}
+
+static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	int err;
+	struct adm5120_info info;
+	struct adm5120_sw *priv = netdev_priv(dev);
+
+	switch(cmd) {
+		case SIOCGADMINFO:
+			info.magic = 0x5120;
+			info.ports = adm5120_nrdevs;
+			info.vlan = priv->port;
+			err = copy_to_user(rq->ifr_data, &info, sizeof(info));
+			if (err)
+				return -EFAULT;
+			break;
+		case SIOCSMATRIX:
+			if (!capable(CAP_NET_ADMIN))
+				return -EPERM;
+			err = copy_from_user(vlan_matrix, rq->ifr_data,
+			    sizeof(vlan_matrix));
+			if (err)
+				return -EFAULT;
+			adm5120_set_vlan(vlan_matrix);
+			break;
+		case SIOCGMATRIX:
+			err = copy_to_user(rq->ifr_data, vlan_matrix,
+			    sizeof(vlan_matrix));
+			if (err)
+				return -EFAULT;
+			break;
+		default:
+			return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+static void adm5120_dma_tx_init(struct adm5120_dma *dma, struct sk_buff **skb,
+    int num)
+{
+	memset(dma, 0, sizeof(struct adm5120_dma)*num);
+	dma[num-1].data |= ADM5120_DMA_RINGEND;
+	memset(skb, 0, sizeof(struct skb*)*num);
+}
+
+static void adm5120_dma_rx_init(struct adm5120_dma *dma, struct sk_buff **skb,
+    int num)
+{
+	int i;
+
+	memset(dma, 0, sizeof(struct adm5120_dma)*num);
+	for (i=0; i<num; i++) {
+		skb[i] = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
+		if (!skb[i]) {
+			i=num;
+			break;
+		}
+		skb_reserve(skb[i], 2);
+		dma[i].data = ADM5120_DMA_ADDR(skb[i]->data) | ADM5120_DMA_OWN;
+		dma[i].cntl = 0;
+		dma[i].len = ADM5120_DMA_RXSIZE;
+		dma[i].status = 0;
+	}
+	dma[i-1].data |= ADM5120_DMA_RINGEND;
+}
+
+static int __init adm5120_sw_init(void)
+{
+	int i, err;
+	struct net_device *dev;
+
+	err = request_irq(SW_IRQ, adm5120_sw_irq, 0, "ethernet switch", NULL);
+	if (err)
+		goto out;
+
+	/* MII port? */
+	if (adm5120_get_reg(ADM5120_CODE) & ADM5120_CODE_PQFP)
+		adm5120_nrdevs = 5;
+	else
+		adm5120_nrdevs = 6;
+
+	adm5120_set_reg(ADM5120_CPUP_CONF,
+	    ADM5120_DISCCPUPORT | ADM5120_CRC_PADDING |
+	    ADM5120_DISUNALL | ADM5120_DISMCALL);
+	adm5120_set_reg(ADM5120_PORT_CONF0, ADM5120_ENMC | ADM5120_ENBP);
+
+	adm5120_set_reg(ADM5120_PHY_CNTL2, adm5120_get_reg(ADM5120_PHY_CNTL2) |
+	    ADM5120_AUTONEG | ADM5120_NORMAL | ADM5120_AUTOMDIX);
+	adm5120_set_reg(ADM5120_PHY_CNTL3, adm5120_get_reg(ADM5120_PHY_CNTL3) |
+	    ADM5120_PHY_NTH);
+
+	adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL);
+	adm5120_set_reg(ADM5120_INT_ST, ADM5120_INTMASKALL);
+
+	adm5120_dma_txh = (void *)KSEG1ADDR((u32)adm5120_dma_txh_v);
+	adm5120_dma_txl = (void *)KSEG1ADDR((u32)adm5120_dma_txl_v);
+	adm5120_dma_rxh = (void *)KSEG1ADDR((u32)adm5120_dma_rxh_v);
+	adm5120_dma_rxl = (void *)KSEG1ADDR((u32)adm5120_dma_rxl_v);
+
+	adm5120_dma_tx_init(adm5120_dma_txh, adm5120_skb_txh, ADM5120_DMA_TXH);
+	adm5120_dma_tx_init(adm5120_dma_txl, adm5120_skb_txl, ADM5120_DMA_TXL);
+	adm5120_dma_rx_init(adm5120_dma_rxh, adm5120_skb_rxh, ADM5120_DMA_RXH);
+	adm5120_dma_rx_init(adm5120_dma_rxl, adm5120_skb_rxl, ADM5120_DMA_RXL);
+	adm5120_set_reg(ADM5120_SEND_HBADDR, KSEG1ADDR(adm5120_dma_txh));
+	adm5120_set_reg(ADM5120_SEND_LBADDR, KSEG1ADDR(adm5120_dma_txl));
+	adm5120_set_reg(ADM5120_RECEIVE_HBADDR, KSEG1ADDR(adm5120_dma_rxh));
+	adm5120_set_reg(ADM5120_RECEIVE_LBADDR, KSEG1ADDR(adm5120_dma_rxl));
+
+	adm5120_set_vlan(vlan_matrix);
+	
+	for (i=0; i<adm5120_nrdevs; i++) {
+		adm5120_devs[i] = alloc_etherdev(sizeof(struct adm5120_sw));
+		if (!adm5120_devs[i]) {
+			err = -ENOMEM;
+			goto out_int;
+		}
+		
+		dev = adm5120_devs[i];
+		SET_MODULE_OWNER(dev);
+		memset(netdev_priv(dev), 0, sizeof(struct adm5120_sw));
+		((struct adm5120_sw*)netdev_priv(dev))->port = i;
+		dev->base_addr = SW_BASE;
+		dev->irq = SW_IRQ;
+		dev->open = adm5120_sw_open;
+		dev->hard_start_xmit = adm5120_sw_tx;
+		dev->stop = adm5120_sw_stop;
+		dev->get_stats = adm5120_sw_stats;
+		dev->set_multicast_list = adm5120_set_multicast_list;
+		dev->do_ioctl = adm5120_do_ioctl;
+		dev->tx_timeout = adm5120_tx_timeout;
+		dev->watchdog_timeo = ETH_TX_TIMEOUT;
+		dev->set_mac_address = adm5120_sw_set_mac_address;
+		/* HACK alert!!!  In the original admtek driver it is asumed
+		   that you can read the MAC addressess from flash, but edimax
+		   decided to leave that space intentionally blank...
+		 */
+		memcpy(dev->dev_addr, "\x00\x50\xfc\x11\x22\x01", 6);
+		dev->dev_addr[5] += i;
+		adm5120_write_mac(dev);
+		
+		if ((err = register_netdev(dev))) {
+			free_netdev(dev);
+			goto out_int;
+		}
+		printk(KERN_INFO "%s: ADM5120 switch port%d\n", dev->name, i);
+	}
+	adm5120_set_reg(ADM5120_CPUP_CONF,
+	    ADM5120_CRC_PADDING | ADM5120_DISUNALL | ADM5120_DISMCALL);
+
+	return 0;
+
+out_int:
+	/* Undo everything that did succeed */
+	for (; i; i--) {
+		unregister_netdev(adm5120_devs[i-1]);
+		free_netdev(adm5120_devs[i-1]);
+	}
+	free_irq(SW_IRQ, NULL);
+out:
+	printk(KERN_ERR "ADM5120 Ethernet switch init failed\n");
+	return err;
+}
+
+static void __exit adm5120_sw_exit(void)
+{
+	int i;
+
+	for (i = 0; i < adm5120_nrdevs; i++) {
+		unregister_netdev(adm5120_devs[i]);
+		free_netdev(adm5120_devs[i-1]);
+	}
+
+	free_irq(SW_IRQ, NULL);
+
+	for (i = 0; i < ADM5120_DMA_RXH; i++) {
+		if (!adm5120_skb_rxh[i])
+			break;
+		kfree_skb(adm5120_skb_rxh[i]);
+	}
+	for (i = 0; i < ADM5120_DMA_RXL; i++) {
+		if (!adm5120_skb_rxl[i])
+			break;
+		kfree_skb(adm5120_skb_rxl[i]);
+	}
+}
+
+module_init(adm5120_sw_init);
+module_exit(adm5120_sw_exit);
diff --git a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.h b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.h
new file mode 100644
index 000000000..4ea1e6257
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.h
@@ -0,0 +1,106 @@
+/*
+ *	Defines for ADM5120 built in ethernet switch driver
+ *
+ *	Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ *
+ *	Values come from ADM5120 datasheet and original ADMtek 2.4 driver,
+ *	Copyright ADMtek Inc.
+ */
+
+#ifndef _INCLUDE_ADM5120SW_H_
+#define _INCLUDE_ADM5120SW_H_
+
+#define SW_BASE	KSEG1ADDR(0x12000000)
+#define SW_DEVS	6
+#define SW_IRQ 	9
+
+#define ETH_TX_TIMEOUT	HZ/4
+#define ETH_FCS 4;
+
+#define ADM5120_CODE		0x00		/* CPU description */
+#define ADM5120_CODE_PQFP	0x20000000	/* package type */
+#define ADM5120_CPUP_CONF	0x24		/* CPU port config */
+#define ADM5120_DISCCPUPORT	0x00000001	/* disable cpu port */
+#define ADM5120_CRC_PADDING	0x00000002	/* software crc */
+#define ADM5120_DISUNSHIFT	9
+#define ADM5120_DISUNALL	0x00007e00	/* disable unknown from all */
+#define ADM5120_DISMCSHIFT	16
+#define ADM5120_DISMCALL	0x003f0000	/* disable multicast from all */
+#define ADM5120_PORT_CONF0	0x28
+#define ADM5120_ENMC		0x00003f00	/* Enable MC routing (ex cpu) */
+#define ADM5120_ENBP		0x003f0000	/* Enable Back Pressure */
+#define ADM5120_VLAN_GI		0x40		/* VLAN settings */
+#define ADM5120_VLAN_GII	0x44
+#define ADM5120_SEND_TRIG	0x48
+#define ADM5120_SEND_TRIG_L	0x00000001
+#define ADM5120_SEND_TRIG_H	0x00000002
+#define ADM5120_MAC_WT0		0x58
+#define ADM5120_MAC_WRITE	0x00000001
+#define ADM5120_MAC_WRITE_DONE	0x00000002
+#define ADM5120_VLAN_EN		0x00000040
+#define ADM5120_MAC_WT1		0x5c
+#define ADM5120_PHY_CNTL2	0x7c
+#define ADM5120_AUTONEG		0x0000001f	/* Auto negotiate */
+#define ADM5120_NORMAL		0x01f00000	/* PHY normal mode */
+#define ADM5120_AUTOMDIX	0x3e000000	/* Auto MDIX */
+#define ADM5120_PHY_CNTL3	0x80
+#define ADM5120_PHY_NTH		0x00000400
+#define ADM5120_INT_ST		0xb0
+#define ADM5120_INT_RXH		0x0000004
+#define ADM5120_INT_RXL		0x0000008
+#define ADM5120_INT_HFULL	0x0000010
+#define ADM5120_INT_LFULL	0x0000020
+#define ADM5120_INT_TXH		0x0000001
+#define ADM5120_INT_TXL		0x0000002
+#define ADM5120_INT_MASK	0xb4
+#define ADM5120_INTMASKALL	0x1FDEFFF	/* All interrupts */
+#define ADM5120_INTHANDLE	(ADM5120_INT_RXH | ADM5120_INT_RXL | \
+				 ADM5120_INT_HFULL | ADM5120_INT_LFULL | \
+				 ADM5120_INT_TXH | ADM5120_INT_TXL)
+#define ADM5120_SEND_HBADDR	0xd0
+#define ADM5120_SEND_LBADDR	0xd4
+#define ADM5120_RECEIVE_HBADDR	0xd8
+#define ADM5120_RECEIVE_LBADDR	0xdc
+
+struct adm5120_dma {
+	u32 data;
+	u32 cntl;
+	u32 len;
+	u32 status;
+} __attribute__ ((packed));
+
+#define	ADM5120_DMA_MASK	0x00ffffff
+#define ADM5120_DMA_OWN		0x80000000	/* buffer owner */
+#define ADM5120_DMA_RINGEND	0x10000000	/* Last in DMA ring */
+
+#define ADM5120_DMA_ADDR(ptr)	((u32)(ptr) & ADM5120_DMA_MASK)
+#define ADM5120_DMA_PORTID	0x00007000
+#define ADM5120_DMA_PORTSHIFT	12
+#define ADM5120_DMA_LEN		0x07ff0000
+#define ADM5120_DMA_LENSHIFT	16
+#define ADM5120_DMA_FCSERR	0x00000008
+
+#define ADM5120_DMA_TXH		16
+#define ADM5120_DMA_TXL		64
+#define ADM5120_DMA_RXH		16
+#define ADM5120_DMA_RXL		8
+
+#define ADM5120_DMA_RXSIZE	1550
+#define ADM5120_DMA_EXTRA	20
+
+struct adm5120_sw {
+	int			port;
+	struct net_device_stats	stats;
+};
+
+#define SIOCSMATRIX	SIOCDEVPRIVATE
+#define SIOCGMATRIX	SIOCDEVPRIVATE+1
+#define SIOCGADMINFO	SIOCDEVPRIVATE+2
+
+struct adm5120_info {
+	u16	magic;
+	u16	ports;
+	u16	vlan;
+};
+
+#endif /* _INCLUDE_ADM5120SW_H_ */
diff --git a/target/linux/adm5120-2.6/files/drivers/serial/adm5120_uart.c b/target/linux/adm5120-2.6/files/drivers/serial/adm5120_uart.c
new file mode 100644
index 000000000..cbbdbfb6a
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/serial/adm5120_uart.c
@@ -0,0 +1,524 @@
+/*
+ *	Serial driver for ADM5120 SoC
+ *
+ *	Derived from drivers/serial/uart00.c
+ *	Copyright 2001 Altera Corporation
+ *
+ *	Some pieces are derived from the ADMtek 2.4 serial driver.
+ *	Copyright (C) ADMtek Incorporated, 2003
+ *		daniell@admtek.com.tw
+ *	Which again was derived from drivers/char/serial.c
+ *	Copyright (C) Linus Torvalds et al.
+ *
+ *	Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/console.h>
+
+#define ADM5120_UART_BASE0		0x12600000
+#define ADM5120_UART_BASE1		0x12800000
+#define ADM5120_UART_SIZE		0x20
+
+#define ADM5120_UART_IRQ0		1
+#define ADM5120_UART_IRQ1		2
+
+#define ADM5120_UART_REG(base, reg) \
+	(*(volatile u32 *)KSEG1ADDR((base)+(reg)))
+
+#define ADM5120_UARTCLK_FREQ            62500000
+#define ADM5120_UART_BAUDDIV(rate)	((unsigned long)(ADM5120_UARTCLK_FREQ/(16*(_rate)) - 1))
+
+#define ADM5120_UART_BAUD115200		ADM5120_UART_BAUDDIV(115200)
+
+#define ADM5120_UART_DATA		0x00
+#define ADM5120_UART_RS			0x04
+#define ADM5120_UART_LCR_H		0x08
+#define ADM5120_UART_LCR_M		0x0c
+#define ADM5120_UART_LCR_L		0x10
+#define ADM5120_UART_CR			0x14
+#define ADM5120_UART_FR			0x18
+#define ADM5120_UART_IR			0x1c
+
+#define ADM5120_UART_FE			0x01
+#define ADM5120_UART_PE			0x02
+#define ADM5120_UART_BE			0x04
+#define ADM5120_UART_OE			0x08
+#define ADM5120_UART_ERR		0x0f
+#define ADM5120_UART_FIFO_EN		0x10
+#define ADM5120_UART_EN			0x01
+#define ADM5120_UART_TIE		0x20
+#define ADM5120_UART_RIE		0x50
+#define ADM5120_UART_IE			0x78
+#define ADM5120_UART_CTS		0x01
+#define ADM5120_UART_DSR		0x02
+#define ADM5120_UART_DCD		0x04
+#define ADM5120_UART_TXFF		0x20
+#define ADM5120_UART_TXFE		0x80
+#define ADM5120_UART_RXFE		0x10
+#define ADM5120_UART_BRK		0x01
+#define ADM5120_UART_PEN		0x02
+#define ADM5120_UART_EPS		0x04
+#define ADM5120_UART_STP2		0x08
+#define ADM5120_UART_W5			0x00
+#define ADM5120_UART_W6			0x20
+#define ADM5120_UART_W7			0x40
+#define ADM5120_UART_W8			0x60
+#define ADM5120_UART_MIS		0x01
+#define ADM5120_UART_RIS		0x02
+#define ADM5120_UART_TIS		0x04
+#define ADM5120_UART_RTIS		0x08
+
+static void adm5120ser_stop_tx(struct uart_port *port)
+{
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_TIE;
+}
+
+static void adm5120ser_irq_rx(struct uart_port *port)
+{
+	struct tty_struct *tty = port->info->tty;
+	unsigned int status, ch, rds, flg, ignored = 0;
+
+	status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+	while (!(status & ADM5120_UART_RXFE)) {
+		/* 
+		 * We need to read rds before reading the 
+		 * character from the fifo
+		 */
+		rds = ADM5120_UART_REG(port->iobase, ADM5120_UART_RS);
+		ch = ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA);
+		port->icount.rx++;
+
+		if (tty->low_latency)
+			tty_flip_buffer_push(tty);
+
+		flg = TTY_NORMAL;
+
+		/*
+		 * Note that the error handling code is
+		 * out of the main execution path
+		 */
+		if (rds & ADM5120_UART_ERR)
+			goto handle_error;
+		if (uart_handle_sysrq_char(port, ch))
+			goto ignore_char;
+
+	error_return:
+		tty_insert_flip_char(tty, ch, flg);
+
+	ignore_char:
+		status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+	}
+ out:
+	tty_flip_buffer_push(tty);
+	return;
+
+ handle_error:
+ 	ADM5120_UART_REG(port->iobase, ADM5120_UART_RS) = 0xff;
+	if (rds & ADM5120_UART_BE) {
+		port->icount.brk++;
+		if (uart_handle_break(port))
+			goto ignore_char;
+	} else if (rds & ADM5120_UART_PE)
+		port->icount.parity++;
+	else if (rds & ADM5120_UART_FE)
+		port->icount.frame++;
+	if (rds & ADM5120_UART_OE)
+		port->icount.overrun++;
+
+	if (rds & port->ignore_status_mask) {
+		if (++ignored > 100)
+			goto out;
+		goto ignore_char;
+	}
+	rds &= port->read_status_mask;
+
+	if (rds & ADM5120_UART_BE)
+		flg = TTY_BREAK;
+	else if (rds & ADM5120_UART_PE)
+		flg = TTY_PARITY;
+	else if (rds & ADM5120_UART_FE)
+		flg = TTY_FRAME;
+
+	if (rds & ADM5120_UART_OE) {
+		/*
+		 * CHECK: does overrun affect the current character?
+		 * ASSUMPTION: it does not.
+		 */
+		tty_insert_flip_char(tty, ch, flg);
+		ch = 0;
+		flg = TTY_OVERRUN;
+	}
+#ifdef CONFIG_MAGIC_SYSRQ
+	port->sysrq = 0;
+#endif
+	goto error_return;
+}
+
+static void adm5120ser_irq_tx(struct uart_port *port)
+{
+	struct circ_buf *xmit = &port->info->xmit;
+	int count;
+
+	if (port->x_char) {
+		ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) =
+		    port->x_char;
+		port->icount.tx++;
+		port->x_char = 0;
+		return;
+	}
+	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
+		adm5120ser_stop_tx(port);
+		return;
+	}
+
+	count = port->fifosize >> 1;
+	do {
+		ADM5120_UART_REG(port->iobase, ADM5120_UART_DATA) =
+		    xmit->buf[xmit->tail];
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+		if (uart_circ_empty(xmit))
+			break;
+	} while (--count > 0);
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+
+	if (uart_circ_empty(xmit))
+		adm5120ser_stop_tx(port);
+}
+
+static void adm5120ser_irq_modem(struct uart_port *port)
+{
+	unsigned int status;
+
+	status = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+
+	if (status & ADM5120_UART_DCD)
+		uart_handle_dcd_change(port, status & ADM5120_UART_DCD);
+
+	if (status & ADM5120_UART_DSR)
+		port->icount.dsr++;
+
+	if (status & ADM5120_UART_CTS)
+		uart_handle_cts_change(port, status & ADM5120_UART_CTS);
+
+	wake_up_interruptible(&port->info->delta_msr_wait);
+}
+
+static irqreturn_t adm5120ser_irq(int irq, void *dev_id)
+{
+	struct uart_port *port = dev_id;
+	unsigned long ir = ADM5120_UART_REG(port->iobase, ADM5120_UART_IR);
+
+	if (ir & (ADM5120_UART_RIS | ADM5120_UART_RTIS))
+		adm5120ser_irq_rx(port);
+	if (ir & ADM5120_UART_TIS)
+		adm5120ser_irq_tx(port);
+	if (ir & ADM5120_UART_MIS) {
+		adm5120ser_irq_modem(port);
+		ADM5120_UART_REG(port->iobase, ADM5120_UART_IR) = 0xff;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static unsigned int adm5120ser_tx_empty(struct uart_port *port)
+{
+	unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+	return (fr & ADM5120_UART_TXFE) ? TIOCSER_TEMT : 0;
+}
+
+static void adm5120ser_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+}
+
+static unsigned int adm5120ser_get_mctrl(struct uart_port *port)
+{
+	unsigned int result = 0;
+	unsigned int fr = ADM5120_UART_REG(port->iobase, ADM5120_UART_FR);
+
+	if (fr & ADM5120_UART_CTS)
+		result |= TIOCM_CTS;
+	if (fr & ADM5120_UART_DSR)
+		result |= TIOCM_DSR;
+	if (fr & ADM5120_UART_DCD)
+		result |= TIOCM_CAR;
+	return result;
+}
+
+static void adm5120ser_start_tx(struct uart_port *port)
+{
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |= ADM5120_UART_TIE;
+}
+
+static void adm5120ser_stop_rx(struct uart_port *port)
+{
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_RIE;
+}
+
+static void adm5120ser_enable_ms(struct uart_port *port)
+{
+}
+
+static void adm5120ser_break_ctl(struct uart_port *port, int break_state)
+{
+	unsigned long flags;
+	unsigned long lcrh;
+
+	spin_lock_irqsave(&port->lock, flags);
+	lcrh = ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H);
+	if (break_state == -1)
+		lcrh |= ADM5120_UART_BRK;
+	else
+		lcrh &= ~ADM5120_UART_BRK;
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh;
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static int adm5120ser_startup(struct uart_port *port)
+{
+	int ret;
+
+	ret = request_irq(port->irq, adm5120ser_irq, 0, "ADM5120 UART", port);
+	if (ret) {
+		printk(KERN_ERR "Couldn't get irq %d\n", port->irq);
+		return ret;
+	}
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) |=
+	    ADM5120_UART_FIFO_EN;
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) |=
+	    ADM5120_UART_EN | ADM5120_UART_IE;
+	return 0;
+}
+
+static void adm5120ser_shutdown(struct uart_port *port)
+{
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_CR) &= ~ADM5120_UART_IE;
+	free_irq(port->irq, port);
+}
+
+static void adm5120ser_set_termios(struct uart_port *port,
+    struct termios *termios, struct termios *old)
+{
+	unsigned int baud, quot, lcrh;
+	unsigned long flags;
+
+	termios->c_cflag |= CREAD;
+
+	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+	quot = uart_get_divisor(port, baud);
+
+	lcrh = ADM5120_UART_FIFO_EN;
+	switch (termios->c_cflag & CSIZE) {
+		case CS5:
+			lcrh |= ADM5120_UART_W5;
+			break;
+		case CS6:
+			lcrh |= ADM5120_UART_W6;
+			break;
+		case CS7:
+			lcrh |= ADM5120_UART_W7;
+			break;
+		default:
+			lcrh |= ADM5120_UART_W8;
+			break;
+	}
+	if (termios->c_cflag & CSTOPB)
+		lcrh |= ADM5120_UART_STP2;
+	if (termios->c_cflag & PARENB) {
+		lcrh |= ADM5120_UART_PEN;
+		if (!(termios->c_cflag & PARODD))
+			lcrh |= ADM5120_UART_EPS;
+	}
+
+	spin_lock_irqsave(port->lock, flags);
+
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_H) = lcrh;
+
+	/*
+	 * Update the per-port timeout.
+	 */
+	uart_update_timeout(port, termios->c_cflag, baud);
+
+	port->read_status_mask = ADM5120_UART_OE;
+	if (termios->c_iflag & INPCK)
+		port->read_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE;
+	if (termios->c_iflag & (BRKINT | PARMRK))
+		port->read_status_mask |= ADM5120_UART_BE;
+
+	/*
+	 * Characters to ignore
+	 */
+	port->ignore_status_mask = 0;
+	if (termios->c_iflag & IGNPAR)
+		port->ignore_status_mask |= ADM5120_UART_FE | ADM5120_UART_PE;
+	if (termios->c_iflag & IGNBRK) {
+		port->ignore_status_mask |= ADM5120_UART_BE;
+		/*
+		 * If we're ignoring parity and break indicators,
+		 * ignore overruns to (for real raw support).
+		 */
+		if (termios->c_iflag & IGNPAR)
+			port->ignore_status_mask |= ADM5120_UART_OE;
+	}
+
+	quot = ADM5120_UART_BAUD115200;
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_L) = quot & 0xff;
+	ADM5120_UART_REG(port->iobase, ADM5120_UART_LCR_M) = quot >> 8;
+
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static const char *adm5120ser_type(struct uart_port *port)
+{
+	return port->type == PORT_ADM5120 ? "ADM5120" : NULL;
+}
+
+static void adm5120ser_config_port(struct uart_port *port, int flags)
+{
+	if (flags & UART_CONFIG_TYPE)
+		port->type = PORT_ADM5120;
+}
+
+static void adm5120ser_release_port(struct uart_port *port)
+{
+	release_mem_region(port->iobase, ADM5120_UART_SIZE);
+}
+
+static int adm5120ser_request_port(struct uart_port *port)
+{
+	return request_mem_region(port->iobase, ADM5120_UART_SIZE,
+	    "adm5120-uart") != NULL ? 0 : -EBUSY; 
+}
+
+static struct uart_ops adm5120ser_ops = {
+	.tx_empty =	adm5120ser_tx_empty,
+	.set_mctrl =	adm5120ser_set_mctrl,
+	.get_mctrl =	adm5120ser_get_mctrl,
+	.stop_tx =	adm5120ser_stop_tx,
+	.start_tx =	adm5120ser_start_tx,
+	.stop_rx =	adm5120ser_stop_rx,
+	.enable_ms =	adm5120ser_enable_ms,
+	.break_ctl =	adm5120ser_break_ctl,
+	.startup =	adm5120ser_startup,
+	.shutdown =	adm5120ser_shutdown,
+	.set_termios =	adm5120ser_set_termios,
+	.type =		adm5120ser_type,
+	.config_port =	adm5120ser_config_port,
+	.release_port =	adm5120ser_release_port,
+	.request_port =	adm5120ser_request_port,
+};
+
+static void adm5120console_put(const char c)
+{
+	while ((ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_FR) &
+	     ADM5120_UART_TXFF) != 0);
+	ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_DATA) = c;
+}
+
+static void adm5120console_write(struct console *con, const char *s,
+    unsigned int count)
+{
+	while (count--) {
+		if (*s == '\n')
+			adm5120console_put('\r');
+		adm5120console_put(*s);
+		s++;
+	}
+}
+
+static int __init adm5120console_setup(struct console *con, char *options)
+{
+	/* Set to 115200 baud, 8N1 and enable FIFO */
+	ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_LCR_L) =
+	    ADM5120_UART_BAUD115200 & 0xff;
+	ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_LCR_M) =
+	    ADM5120_UART_BAUD115200 >> 8;
+	ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_LCR_H) =
+	    ADM5120_UART_W8 | ADM5120_UART_FIFO_EN;
+	/* Enable port */
+	ADM5120_UART_REG(ADM5120_UART_BASE0, ADM5120_UART_CR) =
+	    ADM5120_UART_EN;
+
+	return 0;
+}
+
+static struct uart_driver adm5120ser_reg;
+
+static struct console adm5120_serconsole = {
+	.name =		"ttyS",
+	.write =	adm5120console_write,
+	.device =	uart_console_device,
+	.setup =	adm5120console_setup,
+	.flags =	CON_PRINTBUFFER,
+	.cflag =	B115200 | CS8 | CREAD,
+	.index =	0,
+	.data =		&adm5120ser_reg,
+};
+
+static int __init adm5120console_init(void)
+{
+	register_console(&adm5120_serconsole);
+	return 0;
+}
+
+console_initcall(adm5120console_init);
+
+
+static struct uart_port adm5120ser_ports[] = {
+	{
+		.iobase =	ADM5120_UART_BASE0,
+		.irq =		ADM5120_UART_IRQ0,
+		.uartclk =	ADM5120_UARTCLK_FREQ,
+		.fifosize =	16,
+		.ops =		&adm5120ser_ops,
+		.line =		0,
+		.flags =	ASYNC_BOOT_AUTOCONF,
+	},
+#if (CONFIG_ADM5120_NR_UARTS > 1)
+	{
+		.iobase =	ADM5120_UART_BASE1,
+		.irq =		ADM5120_UART_IRQ1,
+		.uartclk =	ADM5120_UARTCLK_FREQ,
+		.fifosize =	16,
+		.ops =		&adm5120ser_ops,
+		.line =		1,
+		.flags =	ASYNC_BOOT_AUTOCONF,
+	},
+#endif
+};
+
+static struct uart_driver adm5120ser_reg = {
+	.owner	=	THIS_MODULE,
+	.driver_name =	"ttyS",
+	.dev_name =	"ttyS",
+	.major =	TTY_MAJOR,
+	.minor =	64,
+	.nr =		CONFIG_ADM5120_NR_UARTS,
+	.cons =		&adm5120_serconsole,
+};
+
+static int __init adm5120ser_init(void)
+{
+	int ret, i;
+
+	ret = uart_register_driver(&adm5120ser_reg);
+	if (!ret) {
+		for (i = 0; i < CONFIG_ADM5120_NR_UARTS; i++)
+			uart_add_one_port(&adm5120ser_reg, &adm5120ser_ports[i]);
+	}
+
+	return ret;
+}
+
+__initcall(adm5120ser_init);
diff --git a/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
new file mode 100644
index 000000000..b4a1899d1
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
@@ -0,0 +1,790 @@
+/*
+ *	HCD driver for ADM5120 SoC
+ *
+ *	Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
+ *
+ *	Based on the ADMtek 2.4 driver 
+ *	(C) Copyright 2003 Junius Chen <juniusc@admtek.com.tw>
+ *	Which again was based on the ohci and uhci drivers.
+ */
+
+#include <linux/autoconf.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/usb.h>
+#include <linux/platform_device.h>
+
+#include "../core/hcd.h"
+
+MODULE_DESCRIPTION("ADM5120 USB Host Controller Driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
+
+#define ADMHCD_REG_CONTROL		0x00
+#define ADMHCD_REG_INTSTATUS		0x04
+#define ADMHCD_REG_INTENABLE		0x08
+#define ADMHCD_REG_HOSTCONTROL		0x10
+#define ADMHCD_REG_FMINTERVAL		0x18
+#define ADMHCD_REG_FMNUMBER		0x1c
+#define ADMHCD_REG_LSTHRESH		0x70
+#define ADMHCD_REG_RHDESCR		0x74
+#define ADMHCD_REG_PORTSTATUS0		0x78
+#define ADMHCD_REG_PORTSTATUS1		0x7c
+#define ADMHCD_REG_HOSTHEAD		0x80
+
+
+#define ADMHCD_NUMPORTS		2
+
+#define ADMHCD_HOST_EN		0x00000001	/* Host enable */
+#define ADMHCD_SW_INTREQ	0x00000002	/* request software int */
+#define ADMHCD_SW_RESET		0x00000008	/* Reset */
+
+#define ADMHCD_INT_TD		0x00100000	/* TD completed */
+#define ADMHCD_INT_SW		0x20000000	/* software interrupt */
+#define ADMHCD_INT_FATAL	0x40000000	/* Fatal interrupt */
+#define ADMHCD_INT_ACT		0x80000000	/* Interrupt active */
+
+#define ADMHCD_STATE_RST	0x00000000	/* bus state reset */
+#define ADMHCD_STATE_RES	0x00000001	/* bus state resume */
+#define ADMHCD_STATE_OP		0x00000002	/* bus state operational */
+#define ADMHCD_STATE_SUS	0x00000003	/* bus state suspended */
+#define ADMHCD_DMA_EN		0x00000004	/* enable dma engine */
+
+#define ADMHCD_NPS		0x00000020	/* No Power Switch */
+#define ADMHCD_LPSC		0x04000000	/* Local power switch change */
+
+#define ADMHCD_CCS		0x00000001	/* current connect status */
+#define ADMHCD_PES		0x00000002	/* port enable status */
+#define ADMHCD_PSS		0x00000004	/* port suspend status */
+#define ADMHCD_POCI		0x00000008	/* port overcurrent indicator */
+#define ADMHCD_PRS		0x00000010	/* port reset status */
+#define ADMHCD_PPS		0x00000100	/* port power status */
+#define ADMHCD_LSDA		0x00000200	/* low speed device attached */
+#define ADMHCD_CSC		0x00010000	/* connect status change */
+#define ADMHCD_PESC		0x00020000	/* enable status change */
+#define ADMHCD_PSSC		0x00040000	/* suspend status change */
+#define ADMHCD_OCIC		0x00080000	/* overcurrent change*/
+#define ADMHCD_PRSC		0x00100000	/* reset status change */
+
+
+struct admhcd_ed {
+	/* Don't change first four, they used for DMA */
+	u32				control;
+	struct admhcd_td		*tail;
+	struct admhcd_td		*head;
+	struct admhcd_ed		*next;
+	/* the rest is for the driver only: */
+	struct admhcd_td		*cur;
+	struct usb_host_endpoint 	*ep;
+	struct urb			*urb;
+	struct admhcd_ed		*real;
+} __attribute__ ((packed));
+
+#define ADMHCD_ED_EPSHIFT	7		/* Shift for endpoint number */
+#define ADMHCD_ED_INT		0x00000800	/* Is this an int endpoint */
+#define ADMHCD_ED_SPEED		0x00002000	/* Is it a high speed dev? */
+#define ADMHCD_ED_SKIP		0x00004000	/* Skip this ED */
+#define ADMHCD_ED_FORMAT	0x00008000	/* Is this an isoc endpoint */
+#define ADMHCD_ED_MAXSHIFT	16		/* Shift for max packet size */
+
+struct admhcd_td {
+	/* Don't change first four, they are used for DMA */
+	u32			control;
+	u32			buffer;
+	u32			buflen;
+	struct admhcd_td	*next;
+	/* the rest is for the driver only: */
+	struct urb		*urb;
+	struct admhcd_td	*real;
+} __attribute__ ((packed));
+
+#define ADMHCD_TD_OWN		0x80000000
+#define ADMHCD_TD_TOGGLE	0x00000000
+#define ADMHCD_TD_DATA0		0x01000000
+#define ADMHCD_TD_DATA1		0x01800000
+#define ADMHCD_TD_OUT		0x00200000
+#define ADMHCD_TD_IN		0x00400000
+#define ADMHCD_TD_SETUP		0x00000000
+#define ADMHCD_TD_ISO		0x00010000
+#define ADMHCD_TD_R		0x00040000
+#define ADMHCD_TD_INTEN		0x00010000
+
+static int admhcd_td_err[16] = {
+	0,		/* No */
+	-EREMOTEIO,		/* CRC */
+	-EREMOTEIO,	/* bit stuff */
+	-EREMOTEIO,		/* data toggle */
+	-EPIPE,		/* stall */
+	-ETIMEDOUT,	/* timeout */
+	-EPROTO,	/* pid err */
+	-EPROTO,	/* unexpected pid */
+	-EREMOTEIO,	/* data overrun */
+	-EREMOTEIO,	/* data underrun */
+	-ETIMEDOUT,	/* 1010 */
+	-ETIMEDOUT,	/* 1011 */
+	-EREMOTEIO,	/* buffer overrun */
+	-EREMOTEIO,	/* buffer underrun */
+	-ETIMEDOUT,	/* 1110 */
+	-ETIMEDOUT,	/* 1111 */
+};
+
+#define ADMHCD_TD_ERRMASK	0x38000000
+#define ADMHCD_TD_ERRSHIFT	27
+
+#define TD(td)	((struct admhcd_td *)(((u32)(td)) & ~0xf))
+#define ED(ed)	((struct admhcd_ed *)(((u32)(ed)) & ~0xf))
+
+struct admhcd {
+	u32		base;
+	u32		dma_en;
+	spinlock_t	lock;
+	unsigned long	flags;
+};
+
+#define hcd_to_admhcd(hcd) ((struct admhcd *)(hcd)->hcd_priv)
+
+static char hcd_name[] = "adm5120-hcd";
+
+static u32 admhcd_reg_get(struct admhcd *ahcd, int reg)
+{
+	return *(volatile u32 *)KSEG1ADDR(ahcd->base+reg);
+}
+
+static void admhcd_reg_set(struct admhcd *ahcd, int reg, u32 val)
+{
+	*(volatile u32 *)KSEG1ADDR(ahcd->base+reg) = val;
+}
+
+static void admhcd_lock(struct admhcd *ahcd)
+{
+	spin_lock_irqsave(&ahcd->lock, ahcd->flags);
+	ahcd->dma_en = admhcd_reg_get(ahcd, ADMHCD_REG_HOSTCONTROL) &
+	    ADMHCD_DMA_EN;
+	admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
+}
+
+static void admhcd_unlock(struct admhcd *ahcd)
+{
+	admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL,
+	    ADMHCD_STATE_OP | ahcd->dma_en);
+	spin_unlock_irqrestore(&ahcd->lock, ahcd->flags);
+}
+
+static struct admhcd_td *admhcd_td_alloc(struct admhcd_ed *ed, struct urb *urb)
+{
+	struct admhcd_td *tdn, *td;
+
+	tdn = kmalloc(sizeof(struct admhcd_td), GFP_ATOMIC);
+	if (!tdn)
+		return NULL;
+	tdn->real = tdn;
+	tdn = (struct admhcd_td *)KSEG1ADDR(tdn);
+	memset(tdn, 0, sizeof(struct admhcd_td));
+	if (ed->cur == NULL) {
+		ed->cur = tdn;
+		ed->head = tdn;
+		ed->tail = tdn;	
+		td = tdn;
+	} else {
+		/* Supply back the old tail and link in new td as tail */
+		td = TD(ed->tail);
+		TD(ed->tail)->next = tdn;
+		ed->tail = tdn;
+	}
+	td->urb = urb;
+
+	return td;
+}
+
+static void admhcd_td_free(struct admhcd_ed *ed, struct urb *urb)
+{
+	struct admhcd_td *td, **tdp;
+
+	if (urb == NULL)
+		ed->control |= ADMHCD_ED_SKIP;
+	tdp = &ed->cur;
+	td = ed->cur;
+	do {
+		if (td->urb == urb)
+			break;
+		tdp = &td->next;
+		td = TD(td->next);
+	} while (td);
+	while (td && td->urb == urb) {
+		*tdp = TD(td->next);
+		kfree(td->real);
+		td = *tdp;
+	}
+}
+
+/* Find an endpoint's descriptor, if needed allocate a new one and link it
+   in the DMA chain
+ */
+static struct admhcd_ed *admhcd_get_ed(struct admhcd *ahcd,
+    struct usb_host_endpoint *ep, struct urb *urb)
+{
+	struct admhcd_ed *hosthead;
+	struct admhcd_ed *found = NULL, *ed = NULL;
+	unsigned int pipe = urb->pipe;
+
+	admhcd_lock(ahcd);
+	hosthead = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+	if (hosthead) {
+		for (ed = hosthead;; ed = ED(ed->next)) {
+			if (ed->ep == ep) {
+				found = ed;
+				break;
+			}
+			if (ED(ed->next) == hosthead)
+				break;
+		}
+	}
+	if (!found) {
+		found = kmalloc(sizeof(struct admhcd_ed), GFP_ATOMIC);
+		if (!found)
+			goto out;
+		memset(found, 0, sizeof(struct admhcd_ed));
+		found->real = found;
+		found->ep = ep;
+		found = (struct admhcd_ed *)KSEG1ADDR(found);
+		found->control = usb_pipedevice(pipe) |
+		    (usb_pipeendpoint(pipe) << ADMHCD_ED_EPSHIFT) |
+		    (usb_pipeint(pipe) ? ADMHCD_ED_INT : 0) |
+		    (urb->dev->speed == USB_SPEED_FULL ? ADMHCD_ED_SPEED : 0) |
+		    (usb_pipeisoc(pipe) ? ADMHCD_ED_FORMAT : 0) |
+		    (usb_maxpacket(urb->dev, pipe, usb_pipeout(pipe)) << ADMHCD_ED_MAXSHIFT);
+		/* Alloc first dummy td */
+		admhcd_td_alloc(found, NULL);
+		if (hosthead) {
+			found->next = hosthead;
+			ed->next = found;
+		} else {
+			found->next = found;
+			admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, (u32)found);
+		}
+	}
+out:
+	admhcd_unlock(ahcd);
+	return found;
+}
+
+static struct admhcd_td *admhcd_td_fill(u32 control, struct admhcd_td *td,
+    dma_addr_t data, int len)
+{
+	td->buffer = data;
+	td->buflen = len;
+	td->control = control;
+	return TD(td->next);
+}
+
+static void admhcd_ed_start(struct admhcd *ahcd, struct admhcd_ed *ed)
+{
+	struct admhcd_td *td = ed->cur;
+
+	if (ed->urb)
+		return;
+	if (td->urb) {
+		ed->urb = td->urb;
+		while (1) {
+			td->control |= ADMHCD_TD_OWN;
+			if (TD(td->next)->urb != td->urb) {
+				td->buflen |= ADMHCD_TD_INTEN;
+				break;
+			}
+			td = TD(td->next);
+		}
+	}
+	ed->head = TD(ed->head);
+	ahcd->dma_en |= ADMHCD_DMA_EN;
+}
+
+static irqreturn_t adm5120hcd_irq(int irq, void *ptr, struct pt_regs *regs)
+{
+	struct usb_hcd *hcd = (struct usb_hcd *)ptr;
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	u32 intstatus;
+
+	intstatus = admhcd_reg_get(ahcd, ADMHCD_REG_INTSTATUS);
+	if (intstatus & ADMHCD_INT_FATAL) {
+		admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_FATAL);
+		//
+	}
+	if (intstatus & ADMHCD_INT_SW) {
+		admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_SW);
+		//
+	}
+	if (intstatus & ADMHCD_INT_TD) {
+		struct admhcd_ed *ed, *head;
+		
+		admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS, ADMHCD_INT_TD);
+
+		head = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+		ed = head;
+		if (ed) do {
+			/* Is it a finished TD? */
+			if (ed->urb && !(ed->cur->control & ADMHCD_TD_OWN)) {
+				struct admhcd_td *td;
+				int error;
+				
+				td = ed->cur;
+				error = (td->control & ADMHCD_TD_ERRMASK) >>
+				    ADMHCD_TD_ERRSHIFT;
+				ed->urb->status = admhcd_td_err[error];
+				admhcd_td_free(ed, ed->urb);
+				// Calculate real length!!!
+				ed->urb->actual_length = ed->urb->transfer_buffer_length;
+				ed->urb->hcpriv = NULL;
+				usb_hcd_giveback_urb(hcd, ed->urb);
+				ed->urb = NULL;
+			}
+			admhcd_ed_start(ahcd, ed);
+			ed = ED(ed->next);
+		} while (ed != head);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int admhcd_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
+    struct urb *urb, int mem_flags)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	struct admhcd_ed *ed;
+	struct admhcd_td *td;
+	int size = 0, i, zero = 0, ret = 0;
+	unsigned int pipe = urb->pipe, toggle = 0;
+	dma_addr_t data = (dma_addr_t)urb->transfer_buffer;
+	int data_len = urb->transfer_buffer_length;
+
+	ed = admhcd_get_ed(ahcd, ep, urb);
+	if (!ed)
+		return -ENOMEM;
+
+	switch(usb_pipetype(pipe)) {
+		case PIPE_CONTROL:
+			size = 2;
+		case PIPE_INTERRUPT:
+		case PIPE_BULK:
+		default:
+			size += urb->transfer_buffer_length / 4096;
+			if (urb->transfer_buffer_length % 4096)
+				size++;
+			if (size == 0)
+				size++;
+			else if (urb->transfer_flags & URB_ZERO_PACKET &&
+			    !(urb->transfer_buffer_length %
+			      usb_maxpacket(urb->dev, pipe, usb_pipeout(pipe)))) {
+				size++;
+				zero = 1;
+			}
+			break;
+		case PIPE_ISOCHRONOUS:
+			size = urb->number_of_packets;
+			break;
+	}
+
+	admhcd_lock(ahcd);
+	/* Remember the first td */
+	td = admhcd_td_alloc(ed, urb);
+	if (!td) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	/* Allocate additionall tds first */
+	for (i = 1; i < size; i++) {
+		if (admhcd_td_alloc(ed, urb) == NULL) {
+			admhcd_td_free(ed, urb);
+			ret = -ENOMEM;
+			goto out;
+		}
+	}
+
+	if (usb_gettoggle(urb->dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
+		toggle = ADMHCD_TD_TOGGLE;
+	else {
+		toggle = ADMHCD_TD_DATA0;
+		usb_settoggle(urb->dev, usb_pipeendpoint(pipe),
+		    usb_pipeout(pipe), 1);
+	}
+
+	switch(usb_pipetype(pipe)) {
+		case PIPE_CONTROL:
+			td = admhcd_td_fill(ADMHCD_TD_SETUP | ADMHCD_TD_DATA0,
+			    td, (dma_addr_t)urb->setup_packet, 8);
+			while (data_len > 0) {
+				td = admhcd_td_fill(ADMHCD_TD_DATA1 
+				    | ADMHCD_TD_R |
+				    (usb_pipeout(pipe) ?
+				    ADMHCD_TD_OUT : ADMHCD_TD_IN), td,
+				    data, data_len % 4097);
+				data_len -= 4096;
+			}
+			admhcd_td_fill(ADMHCD_TD_DATA1 | (usb_pipeout(pipe) ?
+			    ADMHCD_TD_IN : ADMHCD_TD_OUT), td,
+			    data, 0);
+			break;
+		case PIPE_INTERRUPT:
+		case PIPE_BULK:
+			//info ok for interrupt?
+			i = 0;
+			while(data_len > 4096) {
+				td = admhcd_td_fill((usb_pipeout(pipe) ?
+				    ADMHCD_TD_OUT : 
+				    ADMHCD_TD_IN | ADMHCD_TD_R) |
+				    (i ? ADMHCD_TD_TOGGLE : toggle), td,
+				    data, 4096);
+				data += 4096;
+				data_len -= 4096;
+				i++;
+			}
+			td = admhcd_td_fill((usb_pipeout(pipe) ? 
+			    ADMHCD_TD_OUT : ADMHCD_TD_IN) |
+			    (i ? ADMHCD_TD_TOGGLE : toggle), td, data, data_len);
+			i++;
+			if (zero)
+				admhcd_td_fill((usb_pipeout(pipe) ?
+				    ADMHCD_TD_OUT : ADMHCD_TD_IN) |
+				    (i ? ADMHCD_TD_TOGGLE : toggle), td, 0, 0);
+			break;
+		case PIPE_ISOCHRONOUS:
+			for (i = 0; i < urb->number_of_packets; i++) {
+				td = admhcd_td_fill(ADMHCD_TD_ISO |
+				    ((urb->start_frame + i) & 0xffff), td,
+				    data + urb->iso_frame_desc[i].offset,
+				    urb->iso_frame_desc[i].length);
+			}
+			break;
+	}
+	urb->hcpriv = ed;
+	admhcd_ed_start(ahcd, ed);
+out:
+	admhcd_unlock(ahcd);
+	return ret;
+}
+
+static int admhcd_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	struct admhcd_ed *ed;
+
+	admhcd_lock(ahcd);
+
+	ed = urb->hcpriv;
+	if (ed && ed->urb != urb)
+		admhcd_td_free(ed, urb);
+
+	admhcd_unlock(ahcd);
+	return 0;
+}
+
+static void admhcd_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	struct admhcd_ed *ed, *edt, *head;
+
+	admhcd_lock(ahcd);
+
+	head = (struct admhcd_ed *)admhcd_reg_get(ahcd, ADMHCD_REG_HOSTHEAD);
+	if (!head)
+		goto out;
+	for (ed = head; ED(ed->next) != head; ed = ED(ed->next))
+		if (ed->ep == ep)
+			break;
+	if (ed->ep != ep)
+		goto out;
+	while (ed->cur)
+		admhcd_td_free(ed, ed->cur->urb);
+	if (head == ed) {
+		if (ED(ed->next) == ed) {
+			admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, 0);
+			ahcd->dma_en = 0;
+			goto out_free;
+		}
+		head = ED(ed->next);
+		for (edt = head; ED(edt->next) != head; edt = ED(edt->next));
+		edt->next = ED(ed->next);
+		admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, (u32)ed->next);
+		goto out_free;
+	}
+	for (edt = head; edt->next != ed; edt = edt->next);
+	edt->next = ed->next;
+out_free:
+	kfree(ed->real);
+out:
+	admhcd_unlock(ahcd);
+}
+
+static int admhcd_get_frame_number(struct usb_hcd *hcd)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+
+	return admhcd_reg_get(ahcd, ADMHCD_REG_FMNUMBER) & 0x0000ffff;
+}
+
+static int admhcd_hub_status_data(struct usb_hcd *hcd, char *buf)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	int port;
+
+	*buf = 0;
+	for (port = 0; port < ADMHCD_NUMPORTS; port++) {
+		if (admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4) &
+		    (ADMHCD_CSC | ADMHCD_PESC | ADMHCD_PSSC | ADMHCD_OCIC |
+		     ADMHCD_PRSC))
+			*buf |= (1 << (port + 1));
+	}
+	return !!*buf;
+}
+
+static __u8 root_hub_hub_des[] = {
+	0x09,		/* __u8  bLength; */
+	0x29,		/* __u8  bDescriptorType; Hub-descriptor */
+	0x02,		/* __u8  bNbrPorts; */
+	0x0a, 0x00,	/* __u16 wHubCharacteristics; */
+	0x01,		/* __u8  bPwrOn2pwrGood; 2ms */
+	0x00,		/* __u8  bHubContrCurrent; 0mA */
+	0x00,		/* __u8  DeviceRemovable; */
+	0xff,		/* __u8  PortPwrCtrlMask; */
+};
+
+static int admhcd_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+    u16 wIndex, char *buf, u16 wLength)
+{
+	struct admhcd *ahcd = hcd_to_admhcd(hcd);
+	int retval = 0, len;
+	unsigned int port = wIndex -1;
+
+	switch (typeReq) {
+
+	case GetHubStatus:
+		*(__le32 *)buf = cpu_to_le32(0);
+		break;
+	case GetPortStatus:
+		if (port >= ADMHCD_NUMPORTS)
+			goto err;
+		*(__le32 *)buf = cpu_to_le32(
+		    admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4));
+		break;
+	case SetHubFeature:		/* We don't implement these */
+	case ClearHubFeature:
+		switch (wValue) {
+		case C_HUB_OVER_CURRENT:
+		case C_HUB_LOCAL_POWER:
+			break;
+		default:
+			goto err;
+		}
+	case SetPortFeature:
+		if (port >= ADMHCD_NUMPORTS)
+			goto err;
+
+		switch (wValue) {
+		case USB_PORT_FEAT_SUSPEND:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_PSS);
+			break;
+		case USB_PORT_FEAT_RESET:
+			if (admhcd_reg_get(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4)
+			    & ADMHCD_CCS) {
+				admhcd_reg_set(ahcd, 
+				    ADMHCD_REG_PORTSTATUS0 + port*4,
+				    ADMHCD_PRS | ADMHCD_CSC);
+				mdelay(50);
+				admhcd_reg_set(ahcd,
+				    ADMHCD_REG_PORTSTATUS0 + port*4,
+				    ADMHCD_PES | ADMHCD_CSC);
+			}
+			break;
+		case USB_PORT_FEAT_POWER:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_PPS);
+			break;
+		default:
+			goto err;
+		}
+		break;
+	case ClearPortFeature:
+		if (port >= ADMHCD_NUMPORTS)
+			goto err;
+
+		switch (wValue) {
+		case USB_PORT_FEAT_ENABLE:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_CCS);
+			break;
+		case USB_PORT_FEAT_C_ENABLE:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_PESC);
+			break;
+		case USB_PORT_FEAT_SUSPEND:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_POCI);
+			break;
+		case USB_PORT_FEAT_C_SUSPEND:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_PSSC);
+		case USB_PORT_FEAT_POWER:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_LSDA);
+			break;
+		case USB_PORT_FEAT_C_CONNECTION:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_CSC);
+			break;
+		case USB_PORT_FEAT_C_OVER_CURRENT:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_OCIC);
+			break;
+		case USB_PORT_FEAT_C_RESET:
+			admhcd_reg_set(ahcd, ADMHCD_REG_PORTSTATUS0 + port*4,
+			    ADMHCD_PRSC);
+			break;
+		default:
+			goto err;
+		}
+		break;
+	case GetHubDescriptor:
+		len = min_t(unsigned int, sizeof(root_hub_hub_des), wLength);
+		memcpy(buf, root_hub_hub_des, len);
+		break;
+	default:
+err:
+		retval = -EPIPE;
+	}
+
+	return retval;
+}
+
+static struct hc_driver adm5120_hc_driver = {
+	.description =		hcd_name,
+	.product_desc =		"ADM5120 HCD",
+	.hcd_priv_size =	sizeof(struct admhcd),
+	.flags =		HCD_USB11,
+	.urb_enqueue =		admhcd_urb_enqueue,
+	.urb_dequeue =		admhcd_urb_dequeue,
+	.endpoint_disable =	admhcd_endpoint_disable,
+	.get_frame_number =	admhcd_get_frame_number,
+	.hub_status_data =	admhcd_hub_status_data,
+	.hub_control =		admhcd_hub_control,
+};
+
+static int __init adm5120hcd_probe(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct admhcd *ahcd;
+	struct usb_device *udev;
+	int err = 0;
+
+	if (!request_mem_region(pdev->resource[0].start,
+	    pdev->resource[0].end - pdev->resource[0].start, hcd_name)) {
+		pr_debug("couldn't request mem\n");
+		err = -EBUSY;
+		goto out;
+	}
+
+	//hcd = usb_create_hcd(&adm5120_hc_driver, pdev, pdev->bus_id);
+	if (!hcd)
+		goto out_mem;
+
+	ahcd = hcd_to_admhcd(hcd);
+	dev_set_drvdata(pdev, ahcd);
+	hcd->self.controller = pdev;
+	//hcd->self.bus_name = pdev->bus_id;
+	hcd->irq = pdev->resource[1].start;
+	hcd->regs = (void *)pdev->resource[0].start;
+	hcd->product_desc = hcd_name;
+	ahcd->base = pdev->resource[0].start;
+
+	if (request_irq(pdev->resource[1].start, adm5120hcd_irq, 0, hcd_name,
+	    hcd)) {
+		pr_debug("couldn't request irq\n");
+		err = -EBUSY;
+		goto out_hcd;
+	}
+
+	//err = usb_register_bus(&hcd->self);
+	//if (err < 0)
+	//	goto out_irq;
+
+	spin_lock_init(&ahcd->lock);
+
+	admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE, 0);
+	mdelay(10);
+	admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_SW_RESET);
+	while (admhcd_reg_get(ahcd, ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET)
+		mdelay(1);
+
+	admhcd_reg_set(ahcd, ADMHCD_REG_CONTROL, ADMHCD_HOST_EN);
+	admhcd_reg_set(ahcd, ADMHCD_REG_HOSTHEAD, 0x00000000);
+	admhcd_reg_set(ahcd, ADMHCD_REG_FMINTERVAL, 0x20002edf);
+	admhcd_reg_set(ahcd, ADMHCD_REG_LSTHRESH, 0x628);
+	admhcd_reg_set(ahcd, ADMHCD_REG_INTENABLE,
+	    ADMHCD_INT_ACT | ADMHCD_INT_FATAL | ADMHCD_INT_SW | ADMHCD_INT_TD);
+	admhcd_reg_set(ahcd, ADMHCD_REG_INTSTATUS,
+	    ADMHCD_INT_ACT | ADMHCD_INT_FATAL | ADMHCD_INT_SW | ADMHCD_INT_TD);
+	admhcd_reg_set(ahcd, ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC);
+	admhcd_reg_set(ahcd, ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
+
+	udev = usb_alloc_dev(NULL, &hcd->self, 0);
+	if (!udev) {
+		err = -ENOMEM;
+		goto out_bus;
+	}
+
+	udev->speed = USB_SPEED_FULL;
+	hcd->state = HC_STATE_RUNNING;
+
+	//err = hcd_register_root(udev, hcd);
+	//if (err != 0) {
+	//	usb_put_dev(udev);
+	//	goto out_dev;
+	//}
+
+	return 0;
+
+out_dev:
+	usb_put_dev(udev);
+out_bus:
+	//usb_deregister_bus(&hcd->self);
+out_irq:
+	free_irq(pdev->resource[1].start, hcd);
+out_hcd:
+	usb_put_hcd(hcd);
+out_mem:
+	release_mem_region(pdev->resource[0].start,
+	    pdev->resource[0].end - pdev->resource[0].start);
+out:
+	return err;
+}
+
+static int __init_or_module adm5120hcd_remove(struct platform_device *pdev)
+{
+	device_init_wakeup(&pdev->dev, 0);
+}
+
+static struct platform_driver adm5120hcd_driver = {
+	.probe =	adm5120hcd_probe,
+	.remove =	adm5120hcd_remove,
+	.driver	=	{
+		.name 	= "adm5120-hcd",
+		.owner 	= THIS_MODULE,
+	},
+};
+
+static int __init adm5120hcd_init(void)
+{
+	if (usb_disabled())
+		return -ENODEV;
+
+	return platform_driver_register(&adm5120hcd_driver);
+}
+
+static void __exit adm5120hcd_exit(void)
+{
+	platform_driver_unregister(&adm5120hcd_driver);
+}
+
+module_init(adm5120hcd_init);
+module_exit(adm5120hcd_exit);