move danube folder to ifxmips, to allow future integration of the other chips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9815 3c298f89-4303-0410-b956-a3cf2f4a3e73

31 files changed, 10136 insertions, 0 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/danube/Kconfig b/target/linux/ifxmips/files/arch/mips/danube/Kconfig
new file mode 100644
index 0000000000..1c5ad72ca5
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/Kconfig
@@ -0,0 +1,36 @@
+# copyright 2007 john crispin <blogic@openwrt.org>
+
+menu "Danube built-in"
+
+config DANUBE_ASC_UART
+	bool "Danube asc uart"
+	select SERIAL_CORE
+	select SERIAL_CORE_CONSOLE
+	default y
+
+config MTD_DANUBE
+	bool "Danube flash map"
+	default y
+
+config DANUBE_WDT
+	bool "Danube watchdog"
+	default y
+
+config DANUBE_LED
+	bool "Danube led"
+	default y
+
+config DANUBE_GPIO
+	bool "Danube gpio"
+	default y
+
+config DANUBE_SSC
+	bool "Danube ssc"
+	default y
+
+config DANUBE_EEPROM
+	bool "Danube eeprom"
+	default y
+
+endmenu
+
diff --git a/target/linux/ifxmips/files/arch/mips/danube/Makefile b/target/linux/ifxmips/files/arch/mips/danube/Makefile
new file mode 100644
index 0000000000..fed8f2f45e
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/Makefile
@@ -0,0 +1,10 @@
+#
+#  Copyright 2007 openwrt.org
+#       John Crispin <blogic@openwrt.org>
+#
+# Makefile for Infineon Danube
+#
+obj-y := reset.o prom.o setup.o interrupt.o dma-core.o
+
+obj-$(CONFIG_PCI) += pci.o
+obj-$(CONFIG_KGDB) += kgdb_serial.o
diff --git a/target/linux/ifxmips/files/arch/mips/danube/dma-core.c b/target/linux/ifxmips/files/arch/mips/danube/dma-core.c
new file mode 100644
index 0000000000..7d29dbdc02
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/dma-core.c
@@ -0,0 +1,758 @@
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/stat.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/selection.h>
+#include <linux/kmod.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <asm/uaccess.h>
+#include <linux/errno.h>
+#include <asm/io.h>
+
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/danube/danube_dma.h>
+#include <asm/danube/danube_pmu.h>
+
+/*25 descriptors for each dma channel,4096/8/20=25.xx*/
+#define DANUBE_DMA_DESCRIPTOR_OFFSET 25
+
+#define MAX_DMA_DEVICE_NUM  6	/*max ports connecting to dma */
+#define MAX_DMA_CHANNEL_NUM 20	/*max dma channels */
+#define DMA_INT_BUDGET      100	/*budget for interrupt handling */
+#define DMA_POLL_COUNTER    4	/*fix me, set the correct counter value here! */
+
+extern void mask_and_ack_danube_irq (unsigned int irq_nr);
+extern void enable_danube_irq (unsigned int irq_nr);
+extern void disable_danube_irq (unsigned int irq_nr);
+
+u64 *g_desc_list;
+_dma_device_info dma_devs[MAX_DMA_DEVICE_NUM];
+_dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM];
+
+char global_device_name[MAX_DMA_DEVICE_NUM][20] =
+	{ {"PPE"}, {"DEU"}, {"SPI"}, {"SDIO"}, {"MCTRL0"}, {"MCTRL1"} };
+
+_dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = {
+	{"PPE", DANUBE_DMA_RX, 0, DANUBE_DMA_CH0_INT, 0},
+	{"PPE", DANUBE_DMA_TX, 0, DANUBE_DMA_CH1_INT, 0},
+	{"PPE", DANUBE_DMA_RX, 1, DANUBE_DMA_CH2_INT, 1},
+	{"PPE", DANUBE_DMA_TX, 1, DANUBE_DMA_CH3_INT, 1},
+	{"PPE", DANUBE_DMA_RX, 2, DANUBE_DMA_CH4_INT, 2},
+	{"PPE", DANUBE_DMA_TX, 2, DANUBE_DMA_CH5_INT, 2},
+	{"PPE", DANUBE_DMA_RX, 3, DANUBE_DMA_CH6_INT, 3},
+	{"PPE", DANUBE_DMA_TX, 3, DANUBE_DMA_CH7_INT, 3},
+	{"DEU", DANUBE_DMA_RX, 0, DANUBE_DMA_CH8_INT, 0},
+	{"DEU", DANUBE_DMA_TX, 0, DANUBE_DMA_CH9_INT, 0},
+	{"DEU", DANUBE_DMA_RX, 1, DANUBE_DMA_CH10_INT, 1},
+	{"DEU", DANUBE_DMA_TX, 1, DANUBE_DMA_CH11_INT, 1},
+	{"SPI", DANUBE_DMA_RX, 0, DANUBE_DMA_CH12_INT, 0},
+	{"SPI", DANUBE_DMA_TX, 0, DANUBE_DMA_CH13_INT, 0},
+	{"SDIO", DANUBE_DMA_RX, 0, DANUBE_DMA_CH14_INT, 0},
+	{"SDIO", DANUBE_DMA_TX, 0, DANUBE_DMA_CH15_INT, 0},
+	{"MCTRL0", DANUBE_DMA_RX, 0, DANUBE_DMA_CH16_INT, 0},
+	{"MCTRL0", DANUBE_DMA_TX, 0, DANUBE_DMA_CH17_INT, 0},
+	{"MCTRL1", DANUBE_DMA_RX, 1, DANUBE_DMA_CH18_INT, 1},
+	{"MCTRL1", DANUBE_DMA_TX, 1, DANUBE_DMA_CH19_INT, 1}
+};
+
+_dma_chan_map *chan_map = default_dma_map;
+volatile u32 g_danube_dma_int_status = 0;
+volatile int g_danube_dma_in_process = 0;/*0=not in process,1=in process*/
+
+void do_dma_tasklet (unsigned long);
+DECLARE_TASKLET (dma_tasklet, do_dma_tasklet, 0);
+
+u8*
+common_buffer_alloc (int len, int *byte_offset, void **opt)
+{
+	u8 *buffer = (u8 *) kmalloc (len * sizeof (u8), GFP_KERNEL);
+
+	*byte_offset = 0;
+
+	return buffer;
+}
+
+void
+common_buffer_free (u8 *dataptr, void *opt)
+{
+	if (dataptr)
+		kfree(dataptr);
+}
+
+void
+enable_ch_irq (_dma_channel_info *pCh)
+{
+	int chan_no = (int)(pCh - dma_chan);
+	int flag;
+
+	local_irq_save(flag);
+	writel(chan_no, DANUBE_DMA_CS);
+	writel(0x4a, DANUBE_DMA_CIE);
+	writel(readl(DANUBE_DMA_IRNEN) | (1 << chan_no), DANUBE_DMA_IRNEN);
+	local_irq_restore(flag);
+	enable_danube_irq(pCh->irq);
+}
+
+void
+disable_ch_irq (_dma_channel_info *pCh)
+{
+	int flag;
+	int chan_no = (int) (pCh - dma_chan);
+
+	local_irq_save(flag);
+	g_danube_dma_int_status &= ~(1 << chan_no);
+	writel(chan_no, DANUBE_DMA_CS);
+	writel(0, DANUBE_DMA_CIE);
+	writel(readl(DANUBE_DMA_IRNEN) & ~(1 << chan_no), DANUBE_DMA_IRNEN);
+	local_irq_restore(flag);
+	mask_and_ack_danube_irq(pCh->irq);
+}
+
+void
+open_chan (_dma_channel_info *pCh)
+{
+	int flag;
+	int chan_no = (int)(pCh - dma_chan);
+
+	local_irq_save(flag);
+	writel(chan_no, DANUBE_DMA_CS);
+	writel(readl(DANUBE_DMA_CCTRL) | 1, DANUBE_DMA_CCTRL);
+	if(pCh->dir == DANUBE_DMA_RX)
+		enable_ch_irq(pCh);
+	local_irq_restore(flag);
+}
+
+void
+close_chan(_dma_channel_info *pCh)
+{
+	int flag;
+	int chan_no = (int) (pCh - dma_chan);
+
+	local_irq_save(flag);
+	writel(chan_no, DANUBE_DMA_CS);
+	writel(readl(DANUBE_DMA_CCTRL) & ~1, DANUBE_DMA_CCTRL);
+	disable_ch_irq(pCh);
+	local_irq_restore(flag);
+}
+
+void
+reset_chan (_dma_channel_info *pCh)
+{
+	int chan_no = (int) (pCh - dma_chan);
+
+	writel(chan_no, DANUBE_DMA_CS);
+	writel(readl(DANUBE_DMA_CCTRL) | 2, DANUBE_DMA_CCTRL);
+}
+
+void
+rx_chan_intr_handler (int chan_no)
+{
+	_dma_device_info *pDev = (_dma_device_info *)dma_chan[chan_no].dma_dev;
+	_dma_channel_info *pCh = &dma_chan[chan_no];
+	struct rx_desc *rx_desc_p;
+	int tmp;
+	int flag;
+
+	/*handle command complete interrupt */
+	rx_desc_p = (struct rx_desc*)pCh->desc_base + pCh->curr_desc;
+	if (rx_desc_p->status.field.OWN == CPU_OWN
+	    && rx_desc_p->status.field.C
+	    && rx_desc_p->status.field.data_length < 1536){
+		/*Every thing is correct, then we inform the upper layer */
+		pDev->current_rx_chan = pCh->rel_chan_no;
+		if(pDev->intr_handler)
+			pDev->intr_handler(pDev, RCV_INT);
+		pCh->weight--;
+	} else {
+		local_irq_save(flag);
+		tmp = readl(DANUBE_DMA_CS);
+		writel(chan_no, DANUBE_DMA_CS);
+		writel(readl(DANUBE_DMA_CIS) | 0x7e, DANUBE_DMA_CIS);
+		writel(tmp, DANUBE_DMA_CS);
+		g_danube_dma_int_status &= ~(1 << chan_no);
+		local_irq_restore(flag);
+		enable_danube_irq(dma_chan[chan_no].irq);
+	}
+}
+
+inline void
+tx_chan_intr_handler (int chan_no)
+{
+	_dma_device_info *pDev = (_dma_device_info*)dma_chan[chan_no].dma_dev;
+	_dma_channel_info *pCh = &dma_chan[chan_no];
+    int tmp;
+    int flag;
+
+    local_irq_save(flag);
+    tmp = readl(DANUBE_DMA_CS);
+    writel(chan_no, DANUBE_DMA_CS);
+    writel(readl(DANUBE_DMA_CIS) | 0x7e, DANUBE_DMA_CIS);
+    writel(tmp, DANUBE_DMA_CS);
+    g_danube_dma_int_status &= ~(1 << chan_no);
+    local_irq_restore(flag);
+	pDev->current_tx_chan = pCh->rel_chan_no;
+	if (pDev->intr_handler)
+		pDev->intr_handler(pDev, TRANSMIT_CPT_INT);
+}
+
+void
+do_dma_tasklet (unsigned long unused)
+{
+	int i;
+	int chan_no = 0;
+	int budget = DMA_INT_BUDGET;
+	int weight = 0;
+    int flag;
+
+	while (g_danube_dma_int_status)
+	{
+		if (budget-- < 0)
+		{
+			tasklet_schedule(&dma_tasklet);
+			return;
+		}
+		chan_no = -1;
+		weight = 0;
+		for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+		{
+			if ((g_danube_dma_int_status & (1 << i)) && dma_chan[i].weight > 0)
+			{
+				if (dma_chan[i].weight > weight)
+				{
+					chan_no = i;
+                    weight = dma_chan[chan_no].weight;
+                }
+			}
+		}
+
+		if (chan_no >= 0)
+		{
+			if (chan_map[chan_no].dir == DANUBE_DMA_RX)
+				rx_chan_intr_handler(chan_no);
+			else
+				tx_chan_intr_handler(chan_no);
+		} else {
+			for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+			{
+				dma_chan[i].weight = dma_chan[i].default_weight;
+			}
+		}
+	}
+
+    local_irq_save(flag);
+	g_danube_dma_in_process = 0;
+    if (g_danube_dma_int_status)
+	{
+        g_danube_dma_in_process = 1;
+        tasklet_schedule(&dma_tasklet);
+    }
+    local_irq_restore(flag);
+}
+
+irqreturn_t
+dma_interrupt (int irq, void *dev_id)
+{
+	_dma_channel_info *pCh;
+	int chan_no = 0;
+	int tmp;
+
+	pCh = (_dma_channel_info*)dev_id;
+	chan_no = (int)(pCh - dma_chan);
+	if (chan_no < 0 || chan_no > 19)
+		BUG();
+
+	tmp = readl(DANUBE_DMA_IRNEN);
+	writel(0, DANUBE_DMA_IRNEN);
+	g_danube_dma_int_status |= 1 << chan_no;
+	writel(tmp, DANUBE_DMA_IRNEN);
+	mask_and_ack_danube_irq(irq);
+
+    if (!g_danube_dma_in_process)
+	{
+        g_danube_dma_in_process = 1;
+        tasklet_schedule(&dma_tasklet);
+    }
+
+	return IRQ_HANDLED;
+}
+
+_dma_device_info*
+dma_device_reserve (char *dev_name)
+{
+	int i;
+
+	for (i = 0; i < MAX_DMA_DEVICE_NUM; i++)
+	{
+		if (strcmp(dev_name, dma_devs[i].device_name) == 0)
+		{
+			if (dma_devs[i].reserved)
+				return NULL;
+			dma_devs[i].reserved = 1;
+			break;
+		}
+	}
+
+	return &dma_devs[i];
+}
+
+void
+dma_device_release (_dma_device_info *dev)
+{
+	dev->reserved = 0;
+}
+
+void
+dma_device_register(_dma_device_info *dev)
+{
+	int i, j;
+	int chan_no = 0;
+	u8 *buffer;
+	int byte_offset;
+	int flag;
+	_dma_device_info *pDev;
+	_dma_channel_info *pCh;
+	struct rx_desc *rx_desc_p;
+	struct tx_desc *tx_desc_p;
+
+	for (i = 0; i < dev->max_tx_chan_num; i++)
+	{
+		pCh = dev->tx_chan[i];
+		if (pCh->control == DANUBE_DMA_CH_ON)
+		{
+			chan_no = (int)(pCh - dma_chan);
+			for (j = 0; j < pCh->desc_len; j++)
+			{
+				tx_desc_p = (struct tx_desc*)pCh->desc_base + j;
+				memset(tx_desc_p, 0, sizeof(struct tx_desc));
+			}
+			local_irq_save(flag);
+			writel(chan_no, DANUBE_DMA_CS);
+			/*check if the descriptor length is changed */
+			if (readl(DANUBE_DMA_CDLEN) != pCh->desc_len)
+				writel(pCh->desc_len, DANUBE_DMA_CDLEN);
+
+			writel(readl(DANUBE_DMA_CCTRL) & ~1, DANUBE_DMA_CCTRL);
+			writel(readl(DANUBE_DMA_CCTRL) | 2, DANUBE_DMA_CCTRL);
+			while (readl(DANUBE_DMA_CCTRL) & 2){};
+			writel(readl(DANUBE_DMA_IRNEN) | (1 << chan_no), DANUBE_DMA_IRNEN);
+			writel(0x30100, DANUBE_DMA_CCTRL);	/*reset and enable channel,enable channel later */
+			local_irq_restore(flag);
+		}
+	}
+
+	for (i = 0; i < dev->max_rx_chan_num; i++)
+	{
+		pCh = dev->rx_chan[i];
+		if (pCh->control == DANUBE_DMA_CH_ON)
+		{
+			chan_no = (int)(pCh - dma_chan);
+
+			for (j = 0; j < pCh->desc_len; j++)
+			{
+				rx_desc_p = (struct rx_desc*)pCh->desc_base + j;
+				pDev = (_dma_device_info*)(pCh->dma_dev);
+				buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void*)&(pCh->opt[j]));
+				if (!buffer)
+					break;
+
+				dma_cache_inv((unsigned long) buffer, pCh->packet_size);
+
+				rx_desc_p->Data_Pointer = (u32)CPHYSADDR((u32)buffer);
+				rx_desc_p->status.word = 0;
+				rx_desc_p->status.field.byte_offset = byte_offset;
+				rx_desc_p->status.field.OWN = DMA_OWN;
+				rx_desc_p->status.field.data_length = pCh->packet_size;
+			}
+
+			local_irq_save(flag);
+			writel(chan_no, DANUBE_DMA_CS);
+			/*check if the descriptor length is changed */
+			if (readl(DANUBE_DMA_CDLEN) != pCh->desc_len)
+				writel(pCh->desc_len, DANUBE_DMA_CDLEN);
+			writel(readl(DANUBE_DMA_CCTRL) & ~1, DANUBE_DMA_CCTRL);
+			writel(readl(DANUBE_DMA_CCTRL) | 2, DANUBE_DMA_CCTRL);
+			while (readl(DANUBE_DMA_CCTRL) & 2){};
+			writel(0x0a, DANUBE_DMA_CIE);	/*fix me, should enable all the interrupts here? */
+			writel(readl(DANUBE_DMA_IRNEN) | (1 << chan_no), DANUBE_DMA_IRNEN);
+			writel(0x30000, DANUBE_DMA_CCTRL);
+			local_irq_restore(flag);
+			enable_danube_irq(dma_chan[chan_no].irq);
+		}
+	}
+}
+
+void
+dma_device_unregister (_dma_device_info *dev)
+{
+	int i, j;
+	int chan_no;
+	_dma_channel_info *pCh;
+	struct rx_desc *rx_desc_p;
+	struct tx_desc *tx_desc_p;
+	int flag;
+
+	for (i = 0; i < dev->max_tx_chan_num; i++)
+	{
+		pCh = dev->tx_chan[i];
+		if (pCh->control == DANUBE_DMA_CH_ON)
+		{
+			chan_no = (int)(dev->tx_chan[i] - dma_chan);
+			local_irq_save (flag);
+			writel(chan_no, DANUBE_DMA_CS);
+			pCh->curr_desc = 0;
+			pCh->prev_desc = 0;
+			pCh->control = DANUBE_DMA_CH_OFF;
+			writel(0, DANUBE_DMA_CIE);	/*fix me, should disable all the interrupts here? */
+			writel(readl(DANUBE_DMA_IRNEN) & ~(1 << chan_no), DANUBE_DMA_IRNEN);	/*disable interrupts */
+			writel(readl(DANUBE_DMA_CCTRL) & ~1, DANUBE_DMA_CCTRL);
+			while (readl(DANUBE_DMA_CCTRL) & 1) {};
+			local_irq_restore (flag);
+
+			for (j = 0; j < pCh->desc_len; j++)
+			{
+				tx_desc_p = (struct tx_desc*)pCh->desc_base + j;
+				if ((tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C)
+						|| (tx_desc_p->status.field.OWN == DMA_OWN && tx_desc_p->status.field.data_length > 0))
+				{
+					dev->buffer_free ((u8 *) __va (tx_desc_p->Data_Pointer), (void*)pCh->opt[j]);
+				}
+				tx_desc_p->status.field.OWN = CPU_OWN;
+				memset (tx_desc_p, 0, sizeof (struct tx_desc));
+			}
+			//TODO should free buffer that is not transferred by dma
+		}
+	}
+
+	for (i = 0; i < dev->max_rx_chan_num; i++)
+	{
+		pCh = dev->rx_chan[i];
+		chan_no = (int)(dev->rx_chan[i] - dma_chan);
+		disable_danube_irq(pCh->irq);
+
+		local_irq_save(flag);
+		g_danube_dma_int_status &= ~(1 << chan_no);
+		pCh->curr_desc = 0;
+		pCh->prev_desc = 0;
+		pCh->control = DANUBE_DMA_CH_OFF;
+
+		writel(chan_no, DANUBE_DMA_CS);
+		writel(0, DANUBE_DMA_CIE); /*fix me, should disable all the interrupts here? */
+		writel(readl(DANUBE_DMA_IRNEN) & ~(1 << chan_no), DANUBE_DMA_IRNEN);	/*disable interrupts */
+		writel(readl(DANUBE_DMA_CCTRL) & ~1, DANUBE_DMA_CCTRL);
+		while (readl(DANUBE_DMA_CCTRL) & 1) {};
+
+		local_irq_restore (flag);
+		for (j = 0; j < pCh->desc_len; j++)
+		{
+			rx_desc_p = (struct rx_desc *) pCh->desc_base + j;
+			if ((rx_desc_p->status.field.OWN == CPU_OWN 
+			     && rx_desc_p->status.field.C)
+			    || (rx_desc_p->status.field.OWN == DMA_OWN
+				&& rx_desc_p->status.field.data_length > 0)) {
+				dev->buffer_free ((u8 *)
+						  __va (rx_desc_p->
+							Data_Pointer),
+						  (void *) pCh->opt[j]);
+			}
+		}
+	}
+}
+
+int
+dma_device_read (struct dma_device_info *dma_dev, u8 ** dataptr, void **opt)
+{
+	u8 *buf;
+	int len;
+	int byte_offset = 0;
+	void *p = NULL;
+	_dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan];
+	struct rx_desc *rx_desc_p;
+
+	/*get the rx data first */
+	rx_desc_p = (struct rx_desc *) pCh->desc_base + pCh->curr_desc;
+	if (!(rx_desc_p->status.field.OWN == CPU_OWN && rx_desc_p->status.field.C))
+	{
+		return 0;
+	}
+
+	buf = (u8 *) __va (rx_desc_p->Data_Pointer);
+	*(u32*)dataptr = (u32)buf;
+	len = rx_desc_p->status.field.data_length;
+
+	if (opt)
+	{
+		*(int*)opt = (int)pCh->opt[pCh->curr_desc];
+	}
+
+	/*replace with a new allocated buffer */
+	buf = dma_dev->buffer_alloc(pCh->packet_size, &byte_offset, &p);
+
+	if (buf)
+	{
+		dma_cache_inv ((unsigned long) buf,
+		pCh->packet_size);
+		pCh->opt[pCh->curr_desc] = p;
+		wmb ();
+
+		rx_desc_p->Data_Pointer = (u32) CPHYSADDR ((u32) buf);
+		rx_desc_p->status.word = (DMA_OWN << 31) | ((byte_offset) << 23) | pCh->packet_size;
+		wmb ();
+	} else {
+		*(u32 *) dataptr = 0;
+		if (opt)
+			*(int *) opt = 0;
+		len = 0;
+	}
+
+	/*increase the curr_desc pointer */
+	pCh->curr_desc++;
+	if (pCh->curr_desc == pCh->desc_len)
+		pCh->curr_desc = 0;
+
+	return len;
+}
+
+int
+dma_device_write (struct dma_device_info *dma_dev, u8 * dataptr, int len, void *opt)
+{
+	int flag;
+	u32 tmp, byte_offset;
+	_dma_channel_info *pCh;
+	int chan_no;
+	struct tx_desc *tx_desc_p;
+	local_irq_save (flag);
+
+	pCh = dma_dev->tx_chan[dma_dev->current_tx_chan];
+	chan_no = (int)(pCh - (_dma_channel_info *) dma_chan);
+
+	tx_desc_p = (struct tx_desc*)pCh->desc_base + pCh->prev_desc;
+	while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C)
+	{
+		dma_dev->buffer_free((u8 *) __va (tx_desc_p->Data_Pointer), pCh->opt[pCh->prev_desc]);
+		memset(tx_desc_p, 0, sizeof (struct tx_desc));
+		pCh->prev_desc = (pCh->prev_desc + 1) % (pCh->desc_len);
+		tx_desc_p = (struct tx_desc*)pCh->desc_base + pCh->prev_desc;
+	}
+	tx_desc_p = (struct tx_desc*)pCh->desc_base + pCh->curr_desc;
+	/*Check whether this descriptor is available */
+	if (tx_desc_p->status.field.OWN == DMA_OWN || tx_desc_p->status.field.C)
+	{
+		/*if not , the tell the upper layer device */
+		dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+		local_irq_restore(flag);
+		printk (KERN_INFO "%s %d: failed to write!\n", __func__, __LINE__);
+
+		return 0;
+	}
+	pCh->opt[pCh->curr_desc] = opt;
+	/*byte offset----to adjust the starting address of the data buffer, should be multiple of the burst length. */
+	byte_offset = ((u32) CPHYSADDR ((u32) dataptr)) % ((dma_dev->tx_burst_len) * 4);
+	dma_cache_wback ((unsigned long) dataptr, len);
+	wmb ();
+	tx_desc_p->Data_Pointer = (u32) CPHYSADDR ((u32) dataptr) - byte_offset;
+	wmb ();
+	tx_desc_p->status.word = (DMA_OWN << 31) | DMA_DESC_SOP_SET | DMA_DESC_EOP_SET | ((byte_offset) << 23) | len;
+	wmb ();
+
+	pCh->curr_desc++;
+	if (pCh->curr_desc == pCh->desc_len)
+		pCh->curr_desc = 0;
+
+	/*Check whether this descriptor is available */
+	tx_desc_p = (struct tx_desc *) pCh->desc_base + pCh->curr_desc;
+	if (tx_desc_p->status.field.OWN == DMA_OWN)
+	{
+		/*if not , the tell the upper layer device */
+		dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT);
+	}
+
+	writel(chan_no, DANUBE_DMA_CS);
+	tmp = readl(DANUBE_DMA_CCTRL);
+
+	if (!(tmp & 1))
+		pCh->open (pCh);
+
+	local_irq_restore (flag);
+
+	return len;
+}
+
+int
+map_dma_chan(_dma_chan_map *map)
+{
+	int i, j;
+	int result;
+
+	for (i = 0; i < MAX_DMA_DEVICE_NUM; i++)
+	{
+		strcpy(dma_devs[i].device_name, global_device_name[i]);
+	}
+
+	for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+	{
+		dma_chan[i].irq = map[i].irq;
+		result = request_irq(dma_chan[i].irq, dma_interrupt, SA_INTERRUPT, "dma-core", (void*)&dma_chan[i]);
+		if (result)
+		{
+			printk("error, cannot get dma_irq!\n");
+			free_irq(dma_chan[i].irq, (void *) &dma_interrupt);
+
+			return -EFAULT;
+		}
+	}
+
+	for (i = 0; i < MAX_DMA_DEVICE_NUM; i++)
+	{
+		dma_devs[i].num_tx_chan = 0;	/*set default tx channel number to be one */
+		dma_devs[i].num_rx_chan = 0;	/*set default rx channel number to be one */
+		dma_devs[i].max_rx_chan_num = 0;
+		dma_devs[i].max_tx_chan_num = 0;
+		dma_devs[i].buffer_alloc = &common_buffer_alloc;
+		dma_devs[i].buffer_free = &common_buffer_free;
+		dma_devs[i].intr_handler = NULL;
+		dma_devs[i].tx_burst_len = 4;
+		dma_devs[i].rx_burst_len = 4;
+		if (i == 0)
+		{
+			writel(0, DANUBE_DMA_PS);
+			writel(readl(DANUBE_DMA_PCTRL) | ((0xf << 8) | (1 << 6)), DANUBE_DMA_PCTRL);	/*enable dma drop */
+		}
+
+		if (i == 1)
+		{
+			writel(1, DANUBE_DMA_PS);
+			writel(0x14, DANUBE_DMA_PCTRL);	/*deu port setting */
+		}
+
+		for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++)
+		{
+			dma_chan[j].byte_offset = 0;
+			dma_chan[j].open = &open_chan;
+			dma_chan[j].close = &close_chan;
+			dma_chan[j].reset = &reset_chan;
+			dma_chan[j].enable_irq = &enable_ch_irq;
+			dma_chan[j].disable_irq = &disable_ch_irq;
+			dma_chan[j].rel_chan_no = map[j].rel_chan_no;
+			dma_chan[j].control = DANUBE_DMA_CH_OFF;
+			dma_chan[j].default_weight = DANUBE_DMA_CH_DEFAULT_WEIGHT;
+			dma_chan[j].weight = dma_chan[j].default_weight;
+			dma_chan[j].curr_desc = 0;
+			dma_chan[j].prev_desc = 0;
+		}
+
+		for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++)
+		{
+			if (strcmp(dma_devs[i].device_name, map[j].dev_name) == 0)
+			{
+				if (map[j].dir == DANUBE_DMA_RX)
+				{
+					dma_chan[j].dir = DANUBE_DMA_RX;
+					dma_devs[i].max_rx_chan_num++;
+					dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1] = &dma_chan[j];
+					dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1]->pri = map[j].pri;
+					dma_chan[j].dma_dev = (void*)&dma_devs[i];
+				} else if(map[j].dir == DANUBE_DMA_TX)
+				{ /*TX direction */
+					dma_chan[j].dir = DANUBE_DMA_TX;
+					dma_devs[i].max_tx_chan_num++;
+					dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1] = &dma_chan[j];
+					dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1]->pri = map[j].pri;
+					dma_chan[j].dma_dev = (void*)&dma_devs[i];
+				} else {
+					printk ("WRONG DMA MAP!\n");
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+void
+dma_chip_init(void)
+{
+	int i;
+
+	// enable DMA from PMU
+	danube_pmu_enable(DANUBE_PMU_PWDCR_DMA);
+
+	// reset DMA
+	writel(readl(DANUBE_DMA_CTRL) | 1, DANUBE_DMA_CTRL);
+
+	// diable all interrupts
+	writel(0, DANUBE_DMA_IRNEN);
+
+	for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+	{
+		writel(i, DANUBE_DMA_CS);
+		writel(0x2, DANUBE_DMA_CCTRL);
+		writel(0x80000040, DANUBE_DMA_CPOLL);
+		writel(readl(DANUBE_DMA_CCTRL) & ~0x1, DANUBE_DMA_CCTRL);
+
+	}
+}
+
+int
+danube_dma_init (void)
+{
+	int i;
+
+	dma_chip_init();
+	if (map_dma_chan(default_dma_map))
+		BUG();
+
+	g_desc_list = (u64*)KSEG1ADDR(__get_free_page(GFP_DMA));
+
+	if (g_desc_list == NULL)
+	{
+		printk("no memory for desriptor\n");
+		return -ENOMEM;
+	}
+
+	memset(g_desc_list, 0, PAGE_SIZE);
+
+	for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+	{
+		dma_chan[i].desc_base = (u32)g_desc_list + i * DANUBE_DMA_DESCRIPTOR_OFFSET * 8;
+		dma_chan[i].curr_desc = 0;
+		dma_chan[i].desc_len = DANUBE_DMA_DESCRIPTOR_OFFSET;
+
+		writel(i, DANUBE_DMA_CS);
+		writel((u32)CPHYSADDR(dma_chan[i].desc_base), DANUBE_DMA_CDBA);
+		writel(dma_chan[i].desc_len, DANUBE_DMA_CDLEN);
+	}
+
+	return 0;
+}
+
+arch_initcall(danube_dma_init);
+
+void
+dma_cleanup(void)
+{
+	int i;
+
+	free_page(KSEG0ADDR((unsigned long) g_desc_list));
+	for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
+		free_irq(dma_chan[i].irq, (void*)&dma_interrupt);
+}
+
+EXPORT_SYMBOL (dma_device_reserve);
+EXPORT_SYMBOL (dma_device_release);
+EXPORT_SYMBOL (dma_device_register);
+EXPORT_SYMBOL (dma_device_unregister);
+EXPORT_SYMBOL (dma_device_read);
+EXPORT_SYMBOL (dma_device_write);
+
+MODULE_LICENSE ("GPL");
diff --git a/target/linux/ifxmips/files/arch/mips/danube/interrupt.c b/target/linux/ifxmips/files/arch/mips/danube/interrupt.c
new file mode 100644
index 0000000000..c266608ea2
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/interrupt.c
@@ -0,0 +1,219 @@
+/*
+ *   arch/mips/danube/interrupt.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2005 Wu Qi Ming infineon
+ *
+ *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   software and hardware
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/irq_cpu.h>
+
+
+void
+disable_danube_irq (unsigned int irq_nr)
+{
+	int i;
+	u32 *danube_ier = DANUBE_ICU_IM0_IER;
+
+	irq_nr -= INT_NUM_IRQ0;
+	for (i = 0; i <= 4; i++)
+	{
+		if (irq_nr < INT_NUM_IM_OFFSET){
+			writel(readl(danube_ier) & ~(1 << irq_nr ), danube_ier);
+			return;
+		}
+		danube_ier += DANUBE_ICU_OFFSET;
+		irq_nr -= INT_NUM_IM_OFFSET;
+	}
+}
+EXPORT_SYMBOL (disable_danube_irq);
+
+void
+mask_and_ack_danube_irq (unsigned int irq_nr)
+{
+	int i;
+	u32 *danube_ier = DANUBE_ICU_IM0_IER;
+	u32 *danube_isr = DANUBE_ICU_IM0_ISR;
+
+	irq_nr -= INT_NUM_IRQ0;
+	for (i = 0; i <= 4; i++)
+	{
+		if (irq_nr < INT_NUM_IM_OFFSET)
+		{
+			writel(readl(danube_ier) & ~(1 << irq_nr ), danube_ier);
+			writel((1 << irq_nr ), danube_isr);
+			return;
+		}
+		danube_ier += DANUBE_ICU_OFFSET;
+		danube_isr += DANUBE_ICU_OFFSET;
+		irq_nr -= INT_NUM_IM_OFFSET;
+	}
+}
+EXPORT_SYMBOL (mask_and_ack_danube_irq);
+
+void
+enable_danube_irq (unsigned int irq_nr)
+{
+	int i;
+	u32 *danube_ier = DANUBE_ICU_IM0_IER;
+
+	irq_nr -= INT_NUM_IRQ0;
+	for (i = 0; i <= 4; i++)
+	{
+		if (irq_nr < INT_NUM_IM_OFFSET)
+		{
+			writel(readl(danube_ier) | (1 << irq_nr ), danube_ier);
+			return;
+		}
+		danube_ier += DANUBE_ICU_OFFSET;
+		irq_nr -= INT_NUM_IM_OFFSET;
+	}
+}
+EXPORT_SYMBOL (enable_danube_irq);
+
+static unsigned int
+startup_danube_irq (unsigned int irq)
+{
+	enable_danube_irq (irq);
+	return 0;
+}
+
+static void
+end_danube_irq (unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		enable_danube_irq (irq);
+}
+
+static struct hw_interrupt_type danube_irq_type = {
+	"DANUBE",
+	.startup = startup_danube_irq,
+	.enable = enable_danube_irq,
+	.disable = disable_danube_irq,
+	.unmask = enable_danube_irq,
+	.ack = end_danube_irq,
+	.mask = disable_danube_irq,
+	.mask_ack = mask_and_ack_danube_irq,
+	.end = end_danube_irq,
+};
+
+static inline int
+ls1bit32(unsigned long x)
+{
+	__asm__ (
+		"       .set    push                                    \n"
+		"       .set    mips32                                  \n"
+		"       clz     %0, %1                                  \n"
+		"       .set    pop                                     \n"
+		: "=r" (x)
+		: "r" (x));
+
+		return 31 - x;
+}
+
+void
+danube_hw_irqdispatch (int module)
+{
+	u32 irq;
+
+	irq = readl(DANUBE_ICU_IM0_IOSR + (module * DANUBE_ICU_OFFSET));
+	if (irq == 0)
+		return;
+
+	irq = ls1bit32 (irq);
+	do_IRQ ((int) irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));
+
+	if ((irq == 22) && (module == 0)){
+		writel(readl(DANUBE_EBU_PCC_ISTAT) | 0x10, DANUBE_EBU_PCC_ISTAT);
+	}
+}
+
+asmlinkage void
+plat_irq_dispatch (void)
+{
+	unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
+	unsigned int i;
+
+	if (pending & CAUSEF_IP7){
+		do_IRQ(MIPS_CPU_TIMER_IRQ);
+		goto out;
+	} else {
+		for (i = 0; i < 5; i++)
+		{
+			if (pending & (CAUSEF_IP2 << i))
+			{
+				danube_hw_irqdispatch(i);
+				goto out;
+			}
+		}
+	}
+	printk("Spurious IRQ: CAUSE=0x%08x\n", read_c0_status());
+
+out:
+	return;
+}
+
+static struct irqaction cascade = {
+	.handler = no_action,
+	.flags = IRQF_DISABLED,
+	.name = "cascade",
+};
+
+void __init
+arch_init_irq(void)
+{
+	int i;
+
+	for (i = 0; i < 5; i++)
+	{
+		writel(0, DANUBE_ICU_IM0_IER + (i * DANUBE_ICU_OFFSET));
+	}
+
+	mips_cpu_irq_init();
+
+	for (i = 2; i <= 6; i++)
+	{
+		setup_irq(i, &cascade);
+	}
+
+	for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++)
+	{
+#if 0
+		irq_desc[i].status = IRQ_DISABLED;
+		irq_desc[i].action = NULL;
+		irq_desc[i].depth = 1;
+#endif
+		set_irq_chip_and_handler(i, &danube_irq_type, handle_level_irq);
+	}
+
+	set_c0_status (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+}
diff --git a/target/linux/ifxmips/files/arch/mips/danube/pci.c b/target/linux/ifxmips/files/arch/mips/danube/pci.c
new file mode 100644
index 0000000000..1896336d81
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/pci.c
@@ -0,0 +1,319 @@
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/addrspace.h>
+#include <linux/vmalloc.h>
+
+#define DANUBE_PCI_MEM_BASE    0x18000000
+#define DANUBE_PCI_MEM_SIZE    0x02000000
+#define DANUBE_PCI_IO_BASE     0x1AE00000
+#define DANUBE_PCI_IO_SIZE     0x00200000
+
+#define DANUBE_PCI_CFG_BUSNUM_SHF 16
+#define DANUBE_PCI_CFG_DEVNUM_SHF 11
+#define DANUBE_PCI_CFG_FUNNUM_SHF 8
+
+#define PCI_ACCESS_READ  0
+#define PCI_ACCESS_WRITE 1
+
+static int danube_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
+static int danube_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
+
+struct pci_ops danube_pci_ops = {
+	.read = danube_pci_read_config_dword,
+	.write = danube_pci_write_config_dword
+};
+
+static struct resource pci_io_resource = {
+	.name = "io pci IO space",
+	.start = DANUBE_PCI_IO_BASE,
+	.end = DANUBE_PCI_IO_BASE + DANUBE_PCI_IO_SIZE - 1,
+	.flags = IORESOURCE_IO
+};
+
+static struct resource pci_mem_resource = {
+	.name = "ext pci memory space",
+	.start = DANUBE_PCI_MEM_BASE,
+	.end = DANUBE_PCI_MEM_BASE + DANUBE_PCI_MEM_SIZE - 1,
+	.flags = IORESOURCE_MEM
+};
+
+static struct pci_controller danube_pci_controller = {
+	.pci_ops = &danube_pci_ops,
+	.mem_resource = &pci_mem_resource,
+	.mem_offset	= 0x00000000UL,
+	.io_resource = &pci_io_resource,
+	.io_offset	= 0x00000000UL,
+};
+
+static u32 danube_pci_mapped_cfg;
+
+static int
+danube_pci_config_access(unsigned char access_type,
+		struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data)
+{
+	unsigned long cfg_base;
+	unsigned long flags;
+
+	u32 temp;
+
+	/* Danube support slot from 0 to 15 */
+	/* dev_fn 0&0x68 (AD29) is danube itself */
+	if ((bus->number != 0) || ((devfn & 0xf8) > 0x78)
+			|| ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68))
+		return 1;
+
+	local_irq_save(flags);
+
+	cfg_base = danube_pci_mapped_cfg;
+	cfg_base |= (bus->number << DANUBE_PCI_CFG_BUSNUM_SHF) | (devfn <<
+			DANUBE_PCI_CFG_FUNNUM_SHF) | (where & ~0x3);
+
+	/* Perform access */
+	if (access_type == PCI_ACCESS_WRITE)
+	{
+#ifdef CONFIG_DANUBE_PCI_HW_SWAP
+		writel(swab32(*data), ((u32*)cfg_base));
+#else
+		writel(*data, ((u32*)cfg_base));
+#endif
+	} else {
+		*data = readl(((u32*)(cfg_base)));
+#ifdef CONFIG_DANUBE_PCI_HW_SWAP
+		*data = swab32(*data);
+#endif
+	}
+	wmb();
+
+	/* clean possible Master abort */
+	cfg_base = (danube_pci_mapped_cfg | (0x0 << DANUBE_PCI_CFG_FUNNUM_SHF)) + 4;
+	temp = readl(((u32*)(cfg_base)));
+#ifdef CONFIG_DANUBE_PCI_HW_SWAP
+	temp = swab32 (temp);
+#endif
+	cfg_base = (danube_pci_mapped_cfg | (0x68 << DANUBE_PCI_CFG_FUNNUM_SHF)) + 4;
+	writel(temp, ((u32*)cfg_base));
+
+	local_irq_restore(flags);
+
+	if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ))
+		return 1;
+
+	return 0;
+}
+
+static int danube_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn,
+		int where, int size, u32 * val)
+{
+	u32 data = 0;
+
+	if (danube_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	if (size == 1)
+		*val = (data >> ((where & 3) << 3)) & 0xff;
+	else if (size == 2)
+		*val = (data >> ((where & 3) << 3)) & 0xffff;
+	else
+		*val = data;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int danube_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn,
+		int where, int size, u32 val)
+{
+	u32 data = 0;
+
+	if (size == 4)
+	{
+		data = val;
+	} else {
+		if (danube_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+			return PCIBIOS_DEVICE_NOT_FOUND;
+
+		if (size == 1)
+			data = (data & ~(0xff << ((where & 3) << 3))) |
+				(val << ((where & 3) << 3));
+		else if (size == 2)
+			data = (data & ~(0xffff << ((where & 3) << 3))) |
+				(val << ((where & 3) << 3));
+	}
+
+	if (danube_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
+		return PCIBIOS_DEVICE_NOT_FOUND;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+
+int pcibios_plat_dev_init(struct pci_dev *dev){
+	u8 pin;
+
+	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+
+	switch(pin) {
+		case 0:
+			break;
+		case 1:
+			//falling edge level triggered:0x4, low level:0xc, rising edge:0x2
+			printk("%s:%s[%d] %08X \n", __FILE__, __func__, __LINE__, dev->irq);
+			writel(readl(DANUBE_EBU_PCC_CON) | 0xc, DANUBE_EBU_PCC_CON);
+			writel(readl(DANUBE_EBU_PCC_IEN) | 0x10, DANUBE_EBU_PCC_IEN);
+			break;
+		case 2:
+		case 3:
+		case 4:
+			printk ("WARNING: interrupt pin %d not supported yet!\n", pin);
+		default:
+			printk ("WARNING: invalid interrupt pin %d\n", pin);
+			return 1;
+	}
+
+	return 0;
+}
+
+static void __init danube_pci_startup (void){
+	/*initialize the first PCI device--danube itself */
+	u32 temp_buffer;
+	/*TODO: trigger reset */
+	writel(readl(DANUBE_CGU_IFCCR) & ~0xf00000, DANUBE_CGU_IFCCR);
+	writel(readl(DANUBE_CGU_IFCCR) | 0x800000, DANUBE_CGU_IFCCR);
+	/* PCIS of IF_CLK of CGU   : 1 =>PCI Clock output
+	   0 =>clock input
+	   PADsel of PCI_CR of CGU : 1 =>From CGU
+	   : 0 =>From pad
+	 */
+	writel(readl(DANUBE_CGU_IFCCR) | (1 << 16), DANUBE_CGU_IFCCR);
+	writel((1 << 31) | (1 << 30), DANUBE_CGU_PCICR);
+
+	/* prepare GPIO */
+	/* PCI_RST: P1.5 ALT 01 */
+	//pliu20060613: start
+	writel(readl(DANUBE_GPIO_P1_OUT) | (1 << 5), DANUBE_GPIO_P1_OUT);
+	writel(readl(DANUBE_GPIO_P1_OD) | (1 << 5), DANUBE_GPIO_P1_OD);
+	writel(readl(DANUBE_GPIO_P1_DIR) | (1 << 5), DANUBE_GPIO_P1_DIR);
+	writel(readl(DANUBE_GPIO_P1_ALTSEL1) & ~(1 << 5), DANUBE_GPIO_P1_ALTSEL1);
+	writel(readl(DANUBE_GPIO_P1_ALTSEL0) & ~(1 << 5), DANUBE_GPIO_P1_ALTSEL0);
+	//pliu20060613: end
+	/* PCI_REQ1: P1.13 ALT 01 */
+	/* PCI_GNT1: P1.14 ALT 01 */
+	writel(readl(DANUBE_GPIO_P1_DIR) & ~0x2000, DANUBE_GPIO_P1_DIR);
+	writel(readl(DANUBE_GPIO_P1_DIR) | 0x4000, DANUBE_GPIO_P1_DIR);
+	writel(readl(DANUBE_GPIO_P1_ALTSEL1) & ~0x6000, DANUBE_GPIO_P1_ALTSEL1);
+	writel(readl(DANUBE_GPIO_P1_ALTSEL0) | 0x6000, DANUBE_GPIO_P1_ALTSEL0);
+	/* PCI_REQ2: P1.15 ALT 10 */
+	/* PCI_GNT2: P1.7 ALT 10 */
+
+
+	/* enable auto-switching between PCI and EBU */
+	writel(0xa, PCI_CR_CLK_CTRL);
+	/* busy, i.e. configuration is not done, PCI access has to be retried */
+	writel(readl(PCI_CR_PCI_MOD) & ~(1 << 24), PCI_CR_PCI_MOD);
+	wmb ();
+	/* BUS Master/IO/MEM access */
+	writel(readl(PCI_CS_STS_CMD) | 7, PCI_CS_STS_CMD);
+
+	temp_buffer = readl(PCI_CR_PC_ARB);
+	/* enable external 2 PCI masters */
+	temp_buffer &= (~(0xf << 16));
+	/* enable internal arbiter */
+	temp_buffer |= (1 << INTERNAL_ARB_ENABLE_BIT);
+	/* enable internal PCI master reqest */
+	temp_buffer &= (~(3 << PCI_MASTER0_REQ_MASK_2BITS));
+
+	/* enable EBU reqest */
+	temp_buffer &= (~(3 << PCI_MASTER1_REQ_MASK_2BITS));
+
+	/* enable all external masters request */
+	temp_buffer &= (~(3 << PCI_MASTER2_REQ_MASK_2BITS));
+	writel(temp_buffer, PCI_CR_PC_ARB);
+
+	wmb ();
+
+	/* FPI ==> PCI MEM address mapping */
+	/* base: 0xb8000000 == > 0x18000000 */
+	/* size: 8x4M = 32M */
+	writel(0x18000000, PCI_CR_FCI_ADDR_MAP0);
+	writel(0x18400000, PCI_CR_FCI_ADDR_MAP1);
+	writel(0x18800000, PCI_CR_FCI_ADDR_MAP2);
+	writel(0x18c00000, PCI_CR_FCI_ADDR_MAP3);
+	writel(0x19000000, PCI_CR_FCI_ADDR_MAP4);
+	writel(0x19400000, PCI_CR_FCI_ADDR_MAP5);
+	writel(0x19800000, PCI_CR_FCI_ADDR_MAP6);
+	writel(0x19c00000, PCI_CR_FCI_ADDR_MAP7);
+
+	/* FPI ==> PCI IO address mapping */
+	/* base: 0xbAE00000 == > 0xbAE00000 */
+	/* size: 2M */
+	writel(0xbae00000, PCI_CR_FCI_ADDR_MAP11hg);
+
+	/* PCI ==> FPI address mapping */
+	/* base: 0x0 ==> 0x0 */
+	/* size: 32M */
+	/* BAR1 32M map to SDR address */
+	writel(0x0e000008, PCI_CR_BAR11MASK);
+	writel(0, PCI_CR_PCI_ADDR_MAP11);
+	writel(0, PCI_CS_BASE_ADDR1);
+#ifdef CONFIG_DANUBE_PCI_HW_SWAP
+	/* both TX and RX endian swap are enabled */
+	DANUBE_PCI_REG32 (PCI_CR_PCI_EOI_REG) |= 3;
+	wmb ();
+#endif
+	/*TODO: disable BAR2 & BAR3 - why was this in the origianl infineon code */
+	writel(readl(PCI_CR_BAR12MASK) | 0x80000000, PCI_CR_BAR12MASK);
+	writel(readl(PCI_CR_BAR13MASK) | 0x80000000, PCI_CR_BAR13MASK);
+	/*use 8 dw burse length */
+	writel(0x303, PCI_CR_FCI_BURST_LENGTH);
+
+	writel(readl(PCI_CR_PCI_MOD) | (1 << 24), PCI_CR_PCI_MOD);
+	wmb();
+	writel(readl(DANUBE_GPIO_P1_OUT) & ~(1 << 5), DANUBE_GPIO_P1_OUT);
+	wmb();
+	mdelay (1);
+	writel(readl(DANUBE_GPIO_P1_OUT) | (1 << 5), DANUBE_GPIO_P1_OUT);
+}
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
+	printk("\n\n\n%s:%s[%d] %d %d\n", __FILE__, __func__, __LINE__, slot, pin);
+	switch (slot) {
+		case 13:
+			/* IDSEL = AD29 --> USB Host Controller */
+			return (INT_NUM_IM1_IRL0 + 17);
+		case 14:
+			/* IDSEL = AD30 --> mini PCI connector */
+			//return (INT_NUM_IM1_IRL0 + 14);
+			return (INT_NUM_IM0_IRL0 + 22);
+		default:
+			printk("Warning: no IRQ found for PCI device in slot %d, pin %d\n", slot, pin);
+			return 0;
+	}
+}
+
+int pcibios_init(void){
+	extern int pci_probe_only;
+
+	pci_probe_only = 0;
+	printk ("PCI: Probing PCI hardware on host bus 0.\n");
+
+	danube_pci_startup ();
+
+	//	DANUBE_PCI_REG32(PCI_CR_CLK_CTRL_REG) &= (~8);
+	danube_pci_mapped_cfg = ioremap_nocache(0x17000000, 0x800 * 16);
+	printk("Danube PCI mapped to 0x%08X\n", (unsigned long)danube_pci_mapped_cfg);
+
+	danube_pci_controller.io_map_base = (unsigned long)ioremap(DANUBE_PCI_IO_BASE, DANUBE_PCI_IO_SIZE - 1);
+
+	printk("Danube PCI I/O mapped to 0x%08X\n", (unsigned long)danube_pci_controller.io_map_base);
+
+	register_pci_controller(&danube_pci_controller);
+
+	return 0;
+}
+
+arch_initcall(pcibios_init);
diff --git a/target/linux/ifxmips/files/arch/mips/danube/pmu.c b/target/linux/ifxmips/files/arch/mips/danube/pmu.c
new file mode 100644
index 0000000000..5bb66dbe5b
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/pmu.c
@@ -0,0 +1,45 @@
+/*
+ *   arch/mips/danube/pmu.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <asm/danube/danube.h>
+
+void
+danube_pmu_enable (unsigned int module)
+{
+	int err = 1000000;
+
+	writel(readl(DANUBE_PMU_PWDCR) & ~module, DANUBE_PMU_PWDCR);
+	while (--err && (readl(DANUBE_PMU_PWDSR) & module)) {}
+
+	if (!err)
+		panic("activating PMU module failed!");
+}
+EXPORT_SYMBOL(danube_pmu_enable);
+
+void
+danube_pmu_disable (unsigned int module)
+{
+	writel(readl(DANUBE_PMU_PWDCR) | module, DANUBE_PMU_PWDCR);
+}
+EXPORT_SYMBOL(danube_pmu_disable);
diff --git a/target/linux/ifxmips/files/arch/mips/danube/prom.c b/target/linux/ifxmips/files/arch/mips/danube/prom.c
new file mode 100644
index 0000000000..efb06120ef
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/prom.c
@@ -0,0 +1,81 @@
+/*
+ *   arch/mips/danube/prom.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2005 Wu Qi Ming infineon
+ *
+ *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   software and hardware
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <asm/danube/danube.h>
+
+static char buf[1024];
+
+void
+prom_free_prom_memory (void)
+{
+}
+
+const char *
+get_system_type (void)
+{
+	return BOARD_SYSTEM_TYPE;
+}
+
+void
+prom_putchar (char c)
+{
+	while ((readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF);
+
+	if (c == '\n')
+		writel('\r', DANUBE_ASC1_TBUF);
+	writel(c, DANUBE_ASC1_TBUF);
+}
+
+void
+prom_printf (const char * fmt, ...)
+{
+	va_list args;
+	int l;
+	char *p, *buf_end;
+
+	va_start(args, fmt);
+	l = vsprintf(buf, fmt, args);
+	va_end(args);
+	buf_end = buf + l;
+
+	for (p = buf; p < buf_end; p++)
+	{
+		prom_putchar(*p);
+	}
+}
+
+void __init
+prom_init(void)
+{
+	mips_machgroup = MACH_GROUP_DANUBE;
+	mips_machtype = MACH_INFINEON_DANUBE;
+
+	strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
+	add_memory_region (0x00000000, 0x2000000, BOOT_MEM_RAM);
+}
diff --git a/target/linux/ifxmips/files/arch/mips/danube/reset.c b/target/linux/ifxmips/files/arch/mips/danube/reset.c
new file mode 100644
index 0000000000..cb1793ca77
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/reset.c
@@ -0,0 +1,66 @@
+/*
+ *   arch/mips/danube/prom.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *
+ *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   software and hardware
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/pm.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/danube/danube.h>
+
+static void
+danube_machine_restart (char *command)
+{
+	printk (KERN_NOTICE "System restart\n");
+	local_irq_disable ();
+
+	writel(readl(DANUBE_RCU_REQ) | DANUBE_RST_ALL, DANUBE_RCU_REQ);
+	for (;;);
+}
+
+static void
+danube_machine_halt (void)
+{
+	printk (KERN_NOTICE "System halted.\n");
+	local_irq_disable ();
+	for (;;);
+}
+
+static void
+danube_machine_power_off (void)
+{
+	printk (KERN_NOTICE "Please turn off the power now.\n");
+	local_irq_disable ();
+	for (;;);
+}
+
+void
+danube_reboot_setup (void)
+{
+	_machine_restart = danube_machine_restart;
+	_machine_halt = danube_machine_halt;
+	pm_power_off = danube_machine_power_off;
+}
diff --git a/target/linux/ifxmips/files/arch/mips/danube/setup.c b/target/linux/ifxmips/files/arch/mips/danube/setup.c
new file mode 100644
index 0000000000..60b0ce28e7
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/setup.c
@@ -0,0 +1,177 @@
+/*
+ *   arch/mips/danube/setup.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2004 peng.liu@infineon.com 
+ *
+ *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   software and hardware
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/init.h>
+
+#include <asm/time.h>
+#include <asm/traps.h>
+#include <asm/cpu.h>
+#include <asm/irq.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/danube/danube_pmu.h>
+
+static unsigned int r4k_offset; /* Amount to increment compare reg each time */
+static unsigned int r4k_cur;    /* What counter should be at next timer irq */
+
+extern void danube_reboot_setup (void);
+void prom_printf (const char * fmt, ...);
+
+void
+__init bus_error_init (void)
+{
+		/* nothing yet */
+}
+
+unsigned int
+danube_get_ddr_hz (void)
+{
+	switch (readl(DANUBE_CGU_SYS) & 0x3)
+	{
+	case 0:
+		return CLOCK_167M;
+	case 1:
+		return CLOCK_133M;
+	case 2:
+		return CLOCK_111M;
+	}
+	return CLOCK_83M;
+}
+EXPORT_SYMBOL(danube_get_ddr_hz);
+
+unsigned int
+danube_get_cpu_hz (void)
+{
+	unsigned int ddr_clock = danube_get_ddr_hz();
+	switch (readl(DANUBE_CGU_SYS) & 0xc)
+	{
+	case 0:
+		return CLOCK_333M;
+	case 4:
+		return ddr_clock;
+	}
+	return ddr_clock << 1;
+}
+EXPORT_SYMBOL(danube_get_cpu_hz);
+
+unsigned int
+danube_get_fpi_hz (void)
+{
+	unsigned int ddr_clock = danube_get_ddr_hz();
+	if (readl(DANUBE_CGU_SYS) & 0x40)
+	{
+		return ddr_clock >> 1;
+	}
+	return ddr_clock;
+}
+EXPORT_SYMBOL(danube_get_fpi_hz);
+
+unsigned int
+danube_get_cpu_ver (void)
+{
+	return readl(DANUBE_MCD_CHIPID) & 0xFFFFF000;
+}
+EXPORT_SYMBOL(danube_get_cpu_ver);
+
+void
+danube_time_init (void)
+{
+	mips_hpt_frequency = danube_get_cpu_hz() / 2;
+	r4k_offset = mips_hpt_frequency / HZ;
+	printk("mips_hpt_frequency:%d\n", mips_hpt_frequency);
+	printk("r4k_offset: %08x(%d)\n", r4k_offset, r4k_offset);
+}
+
+int
+danube_be_handler(struct pt_regs *regs, int is_fixup)
+{
+	/*TODO*/
+	printk(KERN_ERR "TODO: BUS error\n");
+
+	return MIPS_BE_FATAL;
+}
+
+/* ISR GPTU Timer 6 for high resolution timer */
+static irqreturn_t
+danube_timer6_interrupt(int irq, void *dev_id)
+{
+	timer_interrupt(DANUBE_TIMER6_INT, NULL);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction hrt_irqaction = {
+	.handler = danube_timer6_interrupt,
+	.flags = IRQF_DISABLED,
+	.name = "hrt",
+};
+
+void __init
+plat_timer_setup (struct irqaction *irq)
+{
+	unsigned int retval;
+
+	setup_irq(MIPS_CPU_TIMER_IRQ, irq);
+
+	r4k_cur = (read_c0_count() + r4k_offset);
+	write_c0_compare(r4k_cur);
+
+	danube_pmu_enable(DANUBE_PMU_PWDCR_GPT | DANUBE_PMU_PWDCR_FPI);
+
+	writel(0x100, DANUBE_GPTU_GPT_CLC);
+
+	writel(0xffff, DANUBE_GPTU_GPT_CAPREL);
+	writel(0x80C0, DANUBE_GPTU_GPT_T6CON);
+
+	retval = setup_irq(DANUBE_TIMER6_INT, &hrt_irqaction);
+
+	if (retval)
+	{
+		prom_printf("reqeust_irq failed %d. HIGH_RES_TIMER is diabled\n", DANUBE_TIMER6_INT);
+	}
+}
+
+void __init
+plat_mem_setup (void)
+{
+	u32 status;
+	prom_printf("This %s has a cpu rev of 0x%X\n", BOARD_SYSTEM_TYPE, danube_get_cpu_ver());
+
+	//TODO WHY ???
+	/* clear RE bit*/
+	status = read_c0_status();
+	status &= (~(1<<25));
+	write_c0_status(status);
+
+	danube_reboot_setup();
+	board_time_init = danube_time_init;
+	board_be_handler = &danube_be_handler;
+
+	ioport_resource.start = IOPORT_RESOURCE_START;
+	ioport_resource.end = IOPORT_RESOURCE_END;
+	iomem_resource.start = IOMEM_RESOURCE_START;
+	iomem_resource.end = IOMEM_RESOURCE_END;
+}
diff --git a/target/linux/ifxmips/files/drivers/char/danube_eeprom.c b/target/linux/ifxmips/files/drivers/char/danube_eeprom.c
new file mode 100644
index 0000000000..1835f2776e
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/char/danube_eeprom.c
@@ -0,0 +1,541 @@
+/*
+ *   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.
+ *
+ *   This driver was originally based on the INCA-IP driver, but due to
+ *   fundamental conceptual drawbacks there has been changed a lot.
+ *
+ *   Based on INCA-IP driver Copyright (c) 2003 Gary Jennejohn <gj@denx.de>
+ *   Based on the VxWorks drivers Copyright (c) 2002, Infineon Technologies.
+ *
+ *   Copyright (C) 2006 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#define IFAP_EEPROM_DRV_VERSION "0.0.1"
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/major.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+#include <linux/fcntl.h>
+#include <linux/ptrace.h>
+#include <linux/mm.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/danube/ifx_ssc_defines.h>
+#include <asm/danube/ifx_ssc.h>
+
+/* allow the user to set the major device number */
+static int danube_eeprom_maj = 0;
+
+extern int ifx_ssc_init (void);
+extern int ifx_ssc_open (struct inode *inode, struct file *filp);
+extern int ifx_ssc_close (struct inode *inode, struct file *filp);
+extern void ifx_ssc_cleanup_module (void);
+extern int ifx_ssc_ioctl (struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long data);
+extern ssize_t ifx_ssc_kwrite (int port, const char *kbuf, size_t len);
+extern ssize_t ifx_ssc_kread (int port, char *kbuf, size_t len);
+
+extern int ifx_ssc_cs_low (unsigned int pin);
+extern int ifx_ssc_cs_high (unsigned int pin);
+extern int ifx_ssc_txrx (char *tx_buf, unsigned int tx_len, char *rx_buf, unsigned int rx_len);
+extern int ifx_ssc_tx (char *tx_buf, unsigned int tx_len);
+extern int ifx_ssc_rx (char *rx_buf, unsigned int rx_len);
+
+#define EEPROM_CS IFX_SSC_WHBGPOSTAT_OUT0_POS
+
+/* commands for EEPROM, x25160, x25140 */
+#define EEPROM_WREN			((unsigned char)0x06)
+#define EEPROM_WRDI			((unsigned char)0x04)
+#define EEPROM_RDSR			((unsigned char)0x05)
+#define EEPROM_WRSR			((unsigned char)0x01)
+#define EEPROM_READ			((unsigned char)0x03)
+#define EEPROM_WRITE			((unsigned char)0x02)
+#define EEPROM_PAGE_SIZE		4
+#define EEPROM_SIZE			512
+
+static int
+eeprom_rdsr (void)
+{
+	int ret = 0;
+	unsigned char cmd = EEPROM_RDSR;
+	unsigned long flag;
+	char status;
+
+	local_irq_save(flag);
+
+	if ((ret = ifx_ssc_cs_low(EEPROM_CS)) == 0)
+		if ((ret = ifx_ssc_txrx(&cmd, 1, &status, 1)) >= 0)
+			ret = status & 1;
+
+	ifx_ssc_cs_high(EEPROM_CS);
+	local_irq_restore(flag);
+
+	return ret;
+}
+
+void
+eeprom_wip_over (void)
+{
+	while (eeprom_rdsr())
+		printk("waiting for eeprom\n");
+}
+
+static int
+eeprom_wren (void)
+{
+	unsigned char cmd = EEPROM_WREN;
+	int ret = 0;
+	unsigned long flag;
+
+	local_irq_save(flag);
+	if ((ret = ifx_ssc_cs_low(EEPROM_CS)) == 0)
+		if ((ret = ifx_ssc_tx(&cmd, 1)) >= 0)
+			ret = 0;
+
+	ifx_ssc_cs_high(EEPROM_CS);
+	local_irq_restore(flag);
+
+	if (!ret)
+		eeprom_wip_over();
+
+	return ret;
+}
+
+static int
+eeprom_wrsr (void)
+{
+	int ret = 0;
+	unsigned char cmd[2];
+	unsigned long flag;
+
+	cmd[0] = EEPROM_WRSR;
+	cmd[1] = 0;
+
+	if ((ret = eeprom_wren()))
+	{
+		printk ("eeprom_wren fails\n");
+		goto out1;
+	}
+
+	local_irq_save(flag);
+
+	if ((ret = ifx_ssc_cs_low(EEPROM_CS)))
+		goto out;
+
+	if ((ret = ifx_ssc_tx(cmd, 2)) < 0) {
+		ifx_ssc_cs_high(EEPROM_CS);
+		goto out;
+	}
+
+	if ((ret = ifx_ssc_cs_low(EEPROM_CS)))
+		goto out;
+
+	local_irq_restore(flag);
+	eeprom_wip_over();
+
+	return ret;
+
+out:
+	local_irq_restore (flag);
+	eeprom_wip_over ();
+
+out1:
+	return ret;
+}
+
+static int
+eeprom_read (unsigned int addr, unsigned char *buf, unsigned int len)
+{
+	int ret = 0;
+	unsigned char write_buf[2];
+	unsigned int eff = 0;
+	unsigned long flag;
+
+	while (1)
+	{
+		eeprom_wip_over();
+		eff = EEPROM_PAGE_SIZE - (addr % EEPROM_PAGE_SIZE);
+		eff = (eff < len) ? eff : len;
+		local_irq_save(flag);
+
+		if ((ret = ifx_ssc_cs_low(EEPROM_CS)) < 0)
+			goto out;
+
+		write_buf[0] = EEPROM_READ | ((unsigned char) ((addr & 0x100) >> 5));
+		write_buf[1] = (addr & 0xff);
+
+		if ((ret = ifx_ssc_txrx (write_buf, 2, buf, eff)) != eff)
+		{
+			printk("ssc_txrx fails %d\n", ret);
+			ifx_ssc_cs_high (EEPROM_CS);
+			goto out;
+		}
+
+		buf += ret;
+		len -= ret;
+		addr += ret;
+
+		if ((ret = ifx_ssc_cs_high(EEPROM_CS)))
+			goto out;
+
+		local_irq_restore(flag);
+
+		if (len <= 0)
+			goto out2;
+	}
+
+out:
+	local_irq_restore (flag);
+out2:
+	return ret;
+}
+
+static int
+eeprom_write (unsigned int addr, unsigned char *buf, unsigned int len)
+{
+	int ret = 0;
+	unsigned int eff = 0;
+	unsigned char write_buf[2];
+	int i;
+	unsigned char rx_buf[EEPROM_PAGE_SIZE];
+
+	while (1)
+	{
+		eeprom_wip_over();
+
+		if ((ret = eeprom_wren()))
+		{
+			printk("eeprom_wren fails\n");
+			goto out;
+		}
+
+		write_buf[0] = EEPROM_WRITE | ((unsigned char) ((addr & 0x100) >> 5));
+		write_buf[1] = (addr & 0xff);
+
+		eff = EEPROM_PAGE_SIZE - (addr % EEPROM_PAGE_SIZE);
+		eff = (eff < len) ? eff : len;
+
+		printk("EEPROM Write:\n");
+		for (i = 0; i < eff; i++) {
+			printk("%2x ", buf[i]);
+			if ((i % 16) == 15)
+				printk("\n");
+		}
+		printk("\n");
+
+		if ((ret = ifx_ssc_cs_low(EEPROM_CS)))
+			goto out;
+
+		if ((ret = ifx_ssc_tx (write_buf, 2)) < 0)
+		{
+			printk("ssc_tx fails %d\n", ret);
+			ifx_ssc_cs_high(EEPROM_CS);
+			goto out;
+		}
+
+		if ((ret = ifx_ssc_tx (buf, eff)) != eff)
+		{
+			printk("ssc_tx fails %d\n", ret);
+			ifx_ssc_cs_high(EEPROM_CS);
+			goto out;
+		}
+
+		buf += ret;
+		len -= ret;
+		addr += ret;
+
+		if ((ret = ifx_ssc_cs_high (EEPROM_CS)))
+			goto out;
+
+		printk ("<==");
+		eeprom_read((addr - eff), rx_buf, eff);
+		for (i = 0; i < eff; i++)
+		{
+			printk ("[%x]", rx_buf[i]);
+		}
+		printk ("\n");
+
+		if (len <= 0)
+			break;
+	}
+
+out:
+	return ret;
+}
+
+int
+danube_eeprom_open (struct inode *inode, struct file *filp)
+{
+	filp->f_pos = 0;
+	return 0;
+}
+
+int
+danube_eeprom_close (struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+int
+danube_eeprom_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data)
+{
+	return 0;
+}
+
+ssize_t
+danube_eeprom_read (char *buf, size_t len, unsigned int addr)
+{
+	int ret = 0;
+	unsigned int data;
+
+	printk("addr:=%d\n", addr);
+	printk("len:=%d\n", len);
+
+	if ((addr + len) > EEPROM_SIZE)
+	{
+		printk("invalid len\n");
+		addr = 0;
+		len = EEPROM_SIZE / 2;
+	}
+
+	if ((ret = ifx_ssc_open((struct inode *) 0, NULL)))
+	{
+		printk("danube_eeprom_open fails\n");
+		goto out;
+	}
+
+	data = (unsigned int)IFX_SSC_MODE_RXTX;
+
+	if ((ret = ifx_ssc_ioctl((struct inode *) 0, NULL, IFX_SSC_RXTX_MODE_SET, (unsigned long) &data)))
+	{
+		printk("set RXTX mode fails\n");
+		goto out;
+	}
+
+	if ((ret = eeprom_wrsr()))
+	{
+		printk("EEPROM reset fails\n");
+		goto out;
+	}
+
+	if ((ret = eeprom_read(addr, buf, len)))
+	{
+		printk("eeprom read fails\n");
+		goto out;
+	}
+
+out:
+	if (ifx_ssc_close((struct inode *) 0, NULL))
+		printk("danube_eeprom_close fails\n");
+
+	return len;
+}
+EXPORT_SYMBOL(danube_eeprom_read);
+
+static ssize_t
+danube_eeprom_fops_read (struct file *filp, char *ubuf, size_t len, loff_t * off)
+{
+	int ret = 0;
+	unsigned char ssc_rx_buf[EEPROM_SIZE];
+	long flag;
+
+	if (*off >= EEPROM_SIZE)
+		return 0;
+
+	if (*off + len > EEPROM_SIZE)
+		len = EEPROM_SIZE - *off;
+
+	if (len == 0)
+		return 0;
+
+	local_irq_save(flag);
+
+	if ((ret = danube_eeprom_read(ssc_rx_buf, len, *off)) < 0)
+	{
+		printk("read fails, err=%x\n", ret);
+		local_irq_restore(flag);
+		return ret;
+	}
+
+	if (copy_to_user((void*)ubuf, ssc_rx_buf, ret) != 0)
+	{
+		local_irq_restore(flag);
+		ret = -EFAULT;
+	}
+
+	local_irq_restore(flag);
+	*off += len;
+
+	return len;
+}
+
+ssize_t
+danube_eeprom_write (char *buf, size_t len, unsigned int addr)
+{
+	int ret = 0;
+	unsigned int data;
+
+	if ((ret = ifx_ssc_open ((struct inode *) 0, NULL)))
+	{
+		printk ("danube_eeprom_open fails\n");
+		goto out;
+	}
+
+	data = (unsigned int) IFX_SSC_MODE_RXTX;
+
+	if ((ret = ifx_ssc_ioctl ((struct inode *) 0, NULL, IFX_SSC_RXTX_MODE_SET, (unsigned long) &data)))
+	{
+		printk ("set RXTX mode fails\n");
+		goto out;
+	}
+
+	if ((ret = eeprom_wrsr ())) {
+		printk ("EEPROM reset fails\n");
+		goto out;
+	}
+
+	if ((ret = eeprom_write (addr, buf, len))) {
+		printk ("eeprom write fails\n");
+		goto out;
+	}
+
+out:
+	if (ifx_ssc_close ((struct inode *) 0, NULL))
+		printk ("danube_eeprom_close fails\n");
+
+	return ret;
+}
+EXPORT_SYMBOL(danube_eeprom_write);
+
+static ssize_t
+danube_eeprom_fops_write (struct file *filp, const char *ubuf, size_t len, loff_t * off)
+{
+	int ret = 0;
+	unsigned char ssc_tx_buf[EEPROM_SIZE];
+
+	if (*off >= EEPROM_SIZE)
+		return 0;
+
+	if (len + *off > EEPROM_SIZE)
+		len = EEPROM_SIZE - *off;
+
+	if ((ret = copy_from_user (ssc_tx_buf, ubuf, len)))
+		return EFAULT;
+
+	ret = danube_eeprom_write (ssc_tx_buf, len, *off);
+
+	if (ret > 0)
+		*off = ret;
+
+	return ret;
+}
+
+loff_t
+danube_eeprom_llseek (struct file * filp, loff_t off, int whence)
+{
+	loff_t newpos;
+	switch (whence) {
+	case SEEK_SET:
+		newpos = off;
+		break;
+
+	case SEEK_CUR:
+		newpos = filp->f_pos + off;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	if (newpos < 0)
+		return -EINVAL;
+
+	filp->f_pos = newpos;
+
+	return newpos;
+}
+
+static struct file_operations danube_eeprom_fops = {
+      owner:THIS_MODULE,
+      llseek:danube_eeprom_llseek,
+      read:danube_eeprom_fops_read,
+      write:danube_eeprom_fops_write,
+      ioctl:danube_eeprom_ioctl,
+      open:danube_eeprom_open,
+      release:danube_eeprom_close,
+};
+
+int __init
+danube_eeprom_init (void)
+{
+	int ret = 0;
+
+	danube_eeprom_maj = register_chrdev(0, "eeprom", &danube_eeprom_fops);
+
+	if (danube_eeprom_maj < 0)
+	{
+		printk("failed to register eeprom device\n");
+		ret = -EINVAL;
+		
+		goto out;
+	}
+
+	printk("danube_eeprom : /dev/eeprom mayor %d\n", danube_eeprom_maj);
+
+out:
+	return ret;
+}
+
+void __exit
+danube_eeprom_cleanup_module (void)
+{
+	/*if (unregister_chrdev (danube_eeprom_maj, "eeprom")) {
+		printk ("Unable to unregister major %d for the EEPROM\n",
+			maj);
+	}*/
+}
+
+module_exit (danube_eeprom_cleanup_module);
+module_init (danube_eeprom_init);
+
+MODULE_LICENSE ("GPL");
+MODULE_AUTHOR ("Peng Liu");
+MODULE_DESCRIPTION ("IFAP EEPROM driver");
+MODULE_SUPPORTED_DEVICE ("danube_eeprom");
+
+
diff --git a/target/linux/ifxmips/files/drivers/char/danube_gpio.c b/target/linux/ifxmips/files/drivers/char/danube_gpio.c
new file mode 100644
index 0000000000..dbdb71e8fb
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/char/danube_gpio.c
@@ -0,0 +1,442 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/ioctl.h>
+#include <asm/semaphore.h>
+#include <asm/uaccess.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_ioctl.h>
+
+#define MAX_PORTS			2
+#define PINS_PER_PORT		16
+
+static unsigned int danube_gpio_major = 0;
+
+/* TODO do we need this ? */
+static struct semaphore port_sem;
+
+/* TODO do we really need this ? return in a define is forbidden by coding style */
+#define DANUBE_GPIO_SANITY		{if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; }
+
+int
+danube_port_reserve_pin (unsigned int port, unsigned int pin)
+{
+	DANUBE_GPIO_SANITY;
+	printk("%s : call to obseleted function\n", __func__);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_reserve_pin);
+
+int
+danube_port_free_pin (unsigned int port, unsigned int pin)
+{
+	DANUBE_GPIO_SANITY;
+	printk("%s : call to obseleted function\n", __func__);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_free_pin);
+
+int
+danube_port_set_open_drain (unsigned int port, unsigned int pin)
+{
+	DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_OD + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_OD);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_open_drain);
+
+int
+danube_port_clear_open_drain (unsigned int port, unsigned int pin)
+{
+	DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_OD + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_OD);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_open_drain);
+
+int
+danube_port_set_pudsel (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_PUDSEL + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_PUDSEL);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_pudsel);
+
+int
+danube_port_clear_pudsel (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_PUDSEL + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_PUDSEL);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_pudsel);
+
+int
+danube_port_set_puden (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_PUDEN + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_PUDEN);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_puden);
+
+int
+danube_port_clear_puden (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_PUDEN + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_PUDEN);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_puden);
+
+int
+danube_port_set_stoff (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_STOFF + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_STOFF);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_stoff);
+
+int
+danube_port_clear_stoff (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_STOFF + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_STOFF);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_stoff);
+
+int
+danube_port_set_dir_out (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_DIR + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_DIR);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_dir_out);
+
+int
+danube_port_set_dir_in (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_DIR + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_DIR);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_dir_in);
+
+int
+danube_port_set_output (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_OUT + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_OUT);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_output);
+
+int
+danube_port_clear_output (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_OUT + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_OUT);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_output);
+
+int
+danube_port_get_input (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+
+	if (readl(DANUBE_GPIO_P0_IN + (port * 0x30)) & (1 << pin))
+		return 0;
+	else
+		return 1;
+}
+EXPORT_SYMBOL(danube_port_get_input);
+
+int
+danube_port_set_altsel0 (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_ALTSEL0 + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_ALTSEL0);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_altsel0);
+
+int
+danube_port_clear_altsel0 (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_ALTSEL0 + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_ALTSEL0);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_altsel0);
+
+int
+danube_port_set_altsel1 (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_ALTSEL1 + (port * 0x30)) | (1 << pin), DANUBE_GPIO_P0_ALTSEL1);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_set_altsel1);
+
+int
+danube_port_clear_altsel1 (unsigned int port, unsigned int pin)
+{
+    DANUBE_GPIO_SANITY;
+	writel(readl(DANUBE_GPIO_P0_ALTSEL1 + (port * 0x30)) & ~(1 << pin), DANUBE_GPIO_P0_ALTSEL1);
+
+	return 0;
+}
+EXPORT_SYMBOL(danube_port_clear_altsel1);
+
+long danube_port_read_procmem_helper(char* tag, u32* in_reg, char *buf)
+{
+	u32 reg, bit = 0;
+	unsigned int len, t;
+
+	len = sprintf(buf, "\n%s: ", tag);
+	reg = readl(in_reg);
+	bit = 0x80000000;
+	for (t = 0; t < 32; t++) {
+		if ((reg & bit) > 0)
+			len = len + sprintf(buf + len, "X");
+		else
+			len = len + sprintf(buf + len, " ");
+		bit = bit >> 1;
+	}
+
+	return len;
+}
+
+int
+danube_port_read_procmem (char *buf, char **start, off_t offset, int count,
+			  int *eof, void *data)
+{
+	long len = sprintf (buf, "\nDanube Port Settings\n");
+
+	len += sprintf (buf + len,
+			"         3         2         1         0\n");
+	len += sprintf (buf + len,
+			"        10987654321098765432109876543210\n");
+	len += sprintf (buf + len,
+			"----------------------------------------\n");
+
+	len += danube_port_read_procmem_helper("P0-OUT", DANUBE_GPIO_P0_OUT, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-OUT", DANUBE_GPIO_P1_OUT, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-IN ", DANUBE_GPIO_P0_IN, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-IN ", DANUBE_GPIO_P1_IN, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-DIR", DANUBE_GPIO_P0_DIR, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-DIR", DANUBE_GPIO_P1_DIR, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-STO ", DANUBE_GPIO_P0_STOFF, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-STO ", DANUBE_GPIO_P1_STOFF, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-PUDE", DANUBE_GPIO_P0_PUDEN, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-PUDE", DANUBE_GPIO_P1_PUDEN, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-OD  ", DANUBE_GPIO_P0_OD, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-OD  ", DANUBE_GPIO_P1_OD, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-PUDS", DANUBE_GPIO_P0_PUDSEL, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-PUDS", DANUBE_GPIO_P1_PUDSEL, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-ALT0", DANUBE_GPIO_P0_ALTSEL0, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-ALT0", DANUBE_GPIO_P1_ALTSEL0, &buf[len]);
+	len += danube_port_read_procmem_helper("P0-ALT1", DANUBE_GPIO_P0_ALTSEL1, &buf[len]);
+	len += danube_port_read_procmem_helper("P1-ALT1", DANUBE_GPIO_P1_ALTSEL1, &buf[len]);
+	len = len + sprintf (buf + len, "\n\n");
+
+	*eof = 1;
+
+	return len;
+}
+
+static int
+danube_port_open (struct inode *inode, struct file *filep)
+{
+	return 0;
+}
+
+static int
+danube_port_release (struct inode *inode, struct file *filelp)
+{
+	return 0;
+}
+
+static int
+danube_port_ioctl (struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg)
+{
+	int ret = 0;
+	volatile struct danube_port_ioctl_parm parm;
+
+	if (_IOC_TYPE (cmd) != DANUBE_PORT_IOC_MAGIC)
+		return -EINVAL;
+
+	if (_IOC_DIR (cmd) & _IOC_WRITE) {
+		if (!access_ok
+		    (VERIFY_READ, arg,
+		     sizeof (struct danube_port_ioctl_parm)))
+			return -EFAULT;
+		ret = copy_from_user ((void *) &parm, (void *) arg,
+				      sizeof (struct danube_port_ioctl_parm));
+	}
+	if (_IOC_DIR (cmd) & _IOC_READ) {
+		if (!access_ok
+		    (VERIFY_WRITE, arg,
+		     sizeof (struct danube_port_ioctl_parm)))
+			return -EFAULT;
+	}
+
+	if (down_trylock (&port_sem) != 0)
+		return -EBUSY;
+
+	switch (cmd) {
+	case DANUBE_PORT_IOCOD:
+		if (parm.value == 0x00)
+			danube_port_clear_open_drain(parm.port, parm.pin);
+		else
+			danube_port_set_open_drain(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCPUDSEL:
+		if (parm.value == 0x00)
+			danube_port_clear_pudsel(parm.port, parm.pin);
+		else
+			danube_port_set_pudsel(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCPUDEN:
+		if (parm.value == 0x00)
+			danube_port_clear_puden(parm.port, parm.pin);
+		else
+			danube_port_set_puden(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCSTOFF:
+		if (parm.value == 0x00)
+			danube_port_clear_stoff(parm.port, parm.pin);
+		else
+			danube_port_set_stoff(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCDIR:
+		if (parm.value == 0x00)
+			danube_port_set_dir_in(parm.port, parm.pin);
+		else
+			danube_port_set_dir_out(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCOUTPUT:
+		if (parm.value == 0x00)
+			danube_port_clear_output(parm.port, parm.pin);
+		else
+			danube_port_set_output(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCALTSEL0:
+		if (parm.value == 0x00)
+			danube_port_clear_altsel0(parm.port, parm.pin);
+		else
+			danube_port_set_altsel0(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCALTSEL1:
+		if (parm.value == 0x00)
+			danube_port_clear_altsel1(parm.port, parm.pin);
+		else
+			danube_port_set_altsel1(parm.port, parm.pin);
+		break;
+
+	case DANUBE_PORT_IOCINPUT:
+		parm.value = danube_port_get_input(parm.port, parm.pin);
+		copy_to_user((void*)arg, (void*)&parm,
+			sizeof(struct danube_port_ioctl_parm));
+		break;
+
+	default:
+		ret = -EINVAL;
+	}
+
+	up (&port_sem);
+
+	return ret;
+}
+
+static struct file_operations port_fops = {
+      .open = danube_port_open,
+      .release = danube_port_release,
+      .ioctl = danube_port_ioctl
+};
+
+int __init
+danube_gpio_init (void)
+{
+	int retval = 0;
+
+	sema_init (&port_sem, 1);
+
+	danube_gpio_major = register_chrdev(0, "danube_gpio", &port_fops);
+	if (!danube_gpio_major)
+	{
+		printk("danube-port: Error! Could not register port device. #%d\n", danube_gpio_major);
+		retval = -EINVAL;
+		goto out;
+	}
+
+	create_proc_read_entry("danube_gpio", 0, NULL,
+				danube_port_read_procmem, NULL);
+
+	printk("registered danube gpio driver\n");
+
+out:
+	return retval;
+}
+
+void __exit
+danube_gpio_exit (void)
+{
+	unregister_chrdev(danube_gpio_major, "danube_gpio");
+	remove_proc_entry("danube_gpio", NULL);
+}
+
+module_init(danube_gpio_init);
+module_exit(danube_gpio_exit);
diff --git a/target/linux/ifxmips/files/drivers/char/danube_led.c b/target/linux/ifxmips/files/drivers/char/danube_led.c
new file mode 100644
index 0000000000..86a92d5999
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/char/danube_led.c
@@ -0,0 +1,197 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2006 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <asm/unistd.h>
+#include <linux/errno.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_gpio.h>
+#include <asm/danube/danube_pmu.h>
+
+#define DANUBE_LED_CLK_EDGE				DANUBE_LED_FALLING
+//#define DANUBE_LED_CLK_EDGE			DANUBE_LED_RISING
+
+#define DANUBE_LED_SPEED				DANUBE_LED_8HZ
+
+#define DANUBE_LED_GPIO_PORT	0
+
+static int danube_led_major;
+
+void
+danube_led_set (unsigned int led)
+{
+	led &= 0xffffff;
+	writel(readl(DANUBE_LED_CPU0) | led, DANUBE_LED_CPU0);
+}
+EXPORT_SYMBOL(danube_led_set);
+
+void
+danube_led_clear (unsigned int led)
+{
+	led = ~(led & 0xffffff);
+	writel(readl(DANUBE_LED_CPU0) & led, DANUBE_LED_CPU0);
+}
+EXPORT_SYMBOL(danube_led_clear);
+
+void
+danube_led_blink_set (unsigned int led)
+{
+	led &= 0xffffff;
+	writel(readl(DANUBE_LED_CON0) | led, DANUBE_LED_CON0);
+}
+EXPORT_SYMBOL(danube_led_blink_set);
+
+void
+danube_led_blink_clear (unsigned int led)
+{
+	led = ~(led & 0xffffff);
+	writel(readl(DANUBE_LED_CON0) & led, DANUBE_LED_CON0);
+}
+EXPORT_SYMBOL(danube_led_blink_clear);
+
+void
+danube_led_setup_gpio (void)
+{
+	int i = 0;
+
+	/* we need to setup pins SH,D,ST (4,5,6) */
+	for (i = 4; i < 7; i++)
+	{
+		danube_port_set_altsel0(DANUBE_LED_GPIO_PORT, i);
+		danube_port_clear_altsel1(DANUBE_LED_GPIO_PORT, i);
+		danube_port_set_dir_out(DANUBE_LED_GPIO_PORT, i);
+		danube_port_set_open_drain(DANUBE_LED_GPIO_PORT, i);
+	}
+}
+
+static int
+led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret = -EINVAL;
+
+	switch ( cmd )
+	{
+	}
+
+	return ret;
+}
+
+static int
+led_open (struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
+static int
+led_release (struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
+static struct file_operations danube_led_fops = {
+	.owner = THIS_MODULE,
+	.ioctl = led_ioctl,
+	.open = led_open,
+	.release = led_release
+};
+
+
+/*
+Map for LED on reference board
+	WLAN_READ     LED11   OUT1    15
+	WARNING       LED12   OUT2    14
+	FXS1_LINK     LED13   OUT3    13
+	FXS2_LINK     LED14   OUT4    12
+	FXO_ACT       LED15   OUT5    11
+	USB_LINK      LED16   OUT6    10
+	ADSL2_LINK    LED19   OUT7    9
+	BT_LINK       LED17   OUT8    8
+	SD_LINK       LED20   OUT9    7
+	ADSL2_TRAFFIC LED31   OUT16   0
+Map for hardware relay on reference board
+	USB Power On          OUT11   5
+	RELAY                 OUT12   4
+*/
+
+
+int __init
+danube_led_init (void)
+{
+	int ret = 0;
+
+	danube_led_setup_gpio();
+
+	writel(0, DANUBE_LED_AR);
+	writel(0, DANUBE_LED_CPU0);
+	writel(0, DANUBE_LED_CPU1);
+	writel(LED_CON0_SWU, DANUBE_LED_CON0);
+	writel(0, DANUBE_LED_CON1);
+
+	/* setup the clock edge that the shift register is triggered on */
+	writel(readl(DANUBE_LED_CON0) & ~DANUBE_LED_EDGE_MASK, DANUBE_LED_CON0);
+	writel(readl(DANUBE_LED_CON0) | DANUBE_LED_CLK_EDGE, DANUBE_LED_CON0);
+
+	/* per default leds 15-0 are set */
+	writel(DANUBE_LED_GROUP1 | DANUBE_LED_GROUP0, DANUBE_LED_CON1);
+
+	/* leds are update periodically by the FPID */
+	writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_UPD_MASK, DANUBE_LED_CON1);
+	writel(readl(DANUBE_LED_CON1) | DANUBE_LED_UPD_SRC_FPI, DANUBE_LED_CON1);
+
+	/* set led update speed */
+	writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_MASK, DANUBE_LED_CON1);
+	writel(readl(DANUBE_LED_CON1) | DANUBE_LED_SPEED, DANUBE_LED_CON1);
+
+	/* adsl 0 and 1 leds are updated by the arc */
+	writel(readl(DANUBE_LED_CON0) | DANUBE_LED_ADSL_SRC, DANUBE_LED_CON0);
+
+	/* per default, the leds are turned on */
+	danube_pmu_enable(DANUBE_PMU_PWDCR_LED);
+
+	danube_led_major = register_chrdev(0, "danube_led", &danube_led_fops);
+
+	if (!danube_led_major)
+	{
+		printk("danube_led: Error! Could not register device. %d\n", danube_led_major);
+		ret = -EINVAL;
+
+		goto out;
+	}
+
+	printk(KERN_INFO "danube_led : device registered on major %d\n", danube_led_major);
+
+out:
+	return ret;
+}
+
+void __exit
+danube_led_exit (void)
+{
+	unregister_chrdev(danube_led_major, "danube_led");
+}
+
+module_init(danube_led_init);
+module_exit(danube_led_exit);
diff --git a/target/linux/ifxmips/files/drivers/char/danube_ssc.c b/target/linux/ifxmips/files/drivers/char/danube_ssc.c
new file mode 100644
index 0000000000..1f90dac595
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/char/danube_ssc.c
@@ -0,0 +1,1533 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2006 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+// ### TO DO: general issues:
+//            - power management
+//            - interrupt handling (direct/indirect)
+//            - pin/mux-handling (just overall concept due to project dependency)
+//            - multiple instances capability
+//            - slave functionality
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/major.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h>
+#include <linux/ptrace.h>
+#include <linux/mm.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/danube/ifx_ssc_defines.h>
+#include <asm/danube/ifx_ssc.h>
+
+#ifdef SSC_FRAME_INT_ENABLE
+#undef SSC_FRAME_INT_ENABLE
+#endif
+
+#define not_yet
+
+#define SPI_VINETIC
+
+
+
+/* allow the user to set the major device number */
+static int maj = 0;
+
+/*
+ * This is the per-channel data structure containing pointers, flags
+ * and variables for the port. This driver supports a maximum of PORT_CNT.
+ * isp is allocated in ifx_ssc_init() based on the chip version.
+ */
+static struct ifx_ssc_port *isp;
+
+/* prototypes for fops */
+static ssize_t ifx_ssc_read (struct file *, char *, size_t, loff_t *);
+static ssize_t ifx_ssc_write (struct file *, const char *, size_t, loff_t *);
+//static unsigned int ifx_ssc_poll(struct file *, struct poll_table_struct *);
+int ifx_ssc_ioctl (struct inode *, struct file *, unsigned int,
+		   unsigned long);
+int ifx_ssc_open (struct inode *, struct file *);
+int ifx_ssc_close (struct inode *, struct file *);
+
+/* other forward declarations */
+static unsigned int ifx_ssc_get_kernel_clk (struct ifx_ssc_port *info);
+static void tx_int (struct ifx_ssc_port *);
+static int ifx_ssc1_read_proc (char *, char **, off_t, int, int *, void *);
+
+extern unsigned int danube_get_fpi_hz (void);
+extern void mask_and_ack_danube_irq (unsigned int irq_nr);
+
+static struct file_operations ifx_ssc_fops = {
+      .owner = THIS_MODULE,
+      .read = ifx_ssc_read,
+      .write = ifx_ssc_write,
+      .ioctl = ifx_ssc_ioctl,
+      .open = ifx_ssc_open,
+      .release = ifx_ssc_close,
+};
+
+static inline unsigned int
+ifx_ssc_get_kernel_clk (struct ifx_ssc_port *info)
+{
+	unsigned int rmc;
+
+	rmc = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CLC) & IFX_CLC_RUN_DIVIDER_MASK) >> IFX_CLC_RUN_DIVIDER_OFFSET;
+	if (rmc == 0)
+	{
+		printk ("ifx_ssc_get_kernel_clk rmc==0 \n");
+		return 0;
+	}
+	return danube_get_fpi_hz () / rmc;
+}
+
+#ifndef not_yet
+#ifdef IFX_SSC_INT_USE_BH
+/*
+ * This routine is used by the interrupt handler to schedule
+ * processing in the software interrupt portion of the driver
+ * (also known as the "bottom half").  This can be called any
+ * number of times for any channel without harm.
+ */
+static inline void
+ifx_ssc_sched_event (struct ifx_ssc_port *info, int event)
+{
+	info->event |= 1 << event;	/* remember what kind of event and who */
+	queue_task (&info->tqueue, &tq_cyclades);	/* it belongs to */
+	mark_bh (CYCLADES_BH);	/* then trigger event */
+}
+
+static void
+do_softint (void *private_)
+{
+	struct ifx_ssc_port *info = (struct ifx_ssc_port *) private_;
+
+	if (test_and_clear_bit (Cy_EVENT_HANGUP, &info->event))
+	{
+		wake_up_interruptible (&info->open_wait);
+		info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CALLOUT_ACTIVE);
+	}
+
+	if (test_and_clear_bit (Cy_EVENT_OPEN_WAKEUP, &info->event))
+		wake_up_interruptible (&info->open_wait);
+
+	if (test_and_clear_bit (Cy_EVENT_DELTA_WAKEUP, &info->event))
+		wake_up_interruptible (&info->delta_msr_wait);
+
+	if (test_and_clear_bit (Cy_EVENT_WRITE_WAKEUP, &info->event))
+		wake_up_interruptible (&tty->write_wait);
+#ifdef Z_WAKE
+	if (test_and_clear_bit (Cy_EVENT_SHUTDOWN_WAKEUP, &info->event))
+		wake_up_interruptible (&info->shutdown_wait);
+#endif
+}
+#endif
+#endif
+
+inline static void
+rx_int (struct ifx_ssc_port *info)
+{
+	int fifo_fill_lev, bytes_in_buf, i;
+	unsigned long tmp_val;
+	unsigned long *tmp_ptr;
+	unsigned int rx_valid_cnt;
+	/* number of words waiting in the RX FIFO */
+	fifo_fill_lev = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_FSTAT) & IFX_SSC_FSTAT_RECEIVED_WORDS_MASK) >> IFX_SSC_FSTAT_RECEIVED_WORDS_OFFSET;
+	// Note: There are always 32 bits in a fifo-entry except for the last 
+	// word of a contigous transfer block and except for not in rx-only 
+	// mode and CON.ENBV set. But for this case it should be a convention 
+	// in software which helps:
+	// In tx or rx/tx mode all transfers from the buffer to the FIFO are 
+	// 32-bit wide, except for the last three bytes, which could be a 
+	// combination of 16- and 8-bit access.
+	// => The whole block is received as 32-bit words as a contigous stream, 
+	// even if there was a gap in tx which has the fifo run out of data! 
+	// Just the last fifo entry *may* be partially filled (0, 1, 2 or 3 bytes)!
+
+	/* free space in the RX buffer */
+	bytes_in_buf = info->rxbuf_end - info->rxbuf_ptr;
+	// transfer with 32 bits per entry
+	while ((bytes_in_buf >= 4) && (fifo_fill_lev > 0)) {
+		tmp_ptr = (unsigned long *) info->rxbuf_ptr;
+		*tmp_ptr = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RB);
+		info->rxbuf_ptr += 4;
+		info->stats.rxBytes += 4;
+		fifo_fill_lev--;
+		bytes_in_buf -= 4;
+	}
+
+	// now do the rest as mentioned in STATE.RXBV
+	while ((bytes_in_buf > 0) && (fifo_fill_lev > 0)) {
+		rx_valid_cnt = (READ_PERIPHERAL_REGISTER(info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_RX_BYTE_VALID_MASK) >> IFX_SSC_STATE_RX_BYTE_VALID_OFFSET;
+		if (rx_valid_cnt == 0)
+			break;
+
+		if (rx_valid_cnt > bytes_in_buf)
+			rx_valid_cnt = bytes_in_buf;
+
+		tmp_val = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RB);
+
+		for (i = 0; i < rx_valid_cnt; i++)
+		{
+			*info->rxbuf_ptr = (tmp_val >> (8 * (rx_valid_cnt - i - 1))) & 0xff;
+			bytes_in_buf--;
+			info->rxbuf_ptr++;
+		}
+		info->stats.rxBytes += rx_valid_cnt;
+	}
+
+	// check if transfer is complete
+	if (info->rxbuf_ptr >= info->rxbuf_end)
+	{
+		disable_irq(info->rxirq);
+		wake_up_interruptible (&info->rwait);
+	} else if ((info->opts.modeRxTx == IFX_SSC_MODE_RX) && (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) == 0))
+	{
+		if (info->rxbuf_end - info->rxbuf_ptr < IFX_SSC_RXREQ_BLOCK_SIZE)
+			WRITE_PERIPHERAL_REGISTER ((info->rxbuf_end - info->rxbuf_ptr) << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ);
+		else
+			WRITE_PERIPHERAL_REGISTER (IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET,  info->mapbase + IFX_SSC_RXREQ);
+	}
+}
+
+inline static void
+tx_int (struct ifx_ssc_port *info)
+{
+
+	int fifo_space, fill, i;
+	fifo_space = ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_ID) & IFX_SSC_PERID_TXFS_MASK) >> IFX_SSC_PERID_TXFS_OFFSET)
+		- ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_FSTAT) & IFX_SSC_FSTAT_TRANSMIT_WORDS_MASK) >> IFX_SSC_FSTAT_TRANSMIT_WORDS_OFFSET);
+
+	if (fifo_space == 0)
+		return;
+
+	fill = info->txbuf_end - info->txbuf_ptr;
+
+	if (fill > fifo_space * 4)
+		fill = fifo_space * 4;
+
+	for (i = 0; i < fill / 4; i++)
+	{
+		// at first 32 bit access
+		WRITE_PERIPHERAL_REGISTER (*(UINT32 *) info->txbuf_ptr, info->mapbase + IFX_SSC_TB);
+		info->txbuf_ptr += 4;
+	}
+
+	fifo_space -= fill / 4;
+	info->stats.txBytes += fill & ~0x3;
+	fill &= 0x3;
+	if ((fifo_space > 0) & (fill > 1))
+	{
+		// trailing 16 bit access
+		WRITE_PERIPHERAL_REGISTER_16 (*(UINT16 *) info->txbuf_ptr, info->mapbase + IFX_SSC_TB);
+		info->txbuf_ptr += 2;
+		info->stats.txBytes += 2;
+		fifo_space--;
+		fill -= 2;
+	}
+
+	if ((fifo_space > 0) & (fill > 0))
+	{
+		// trailing 8 bit access
+		WRITE_PERIPHERAL_REGISTER_8 (*(UINT8 *) info->txbuf_ptr, info->mapbase + IFX_SSC_TB);
+		info->txbuf_ptr++;
+		info->stats.txBytes++;
+	}
+
+	// check if transmission complete
+	if (info->txbuf_ptr >= info->txbuf_end)
+	{
+		disable_irq(info->txirq);
+		kfree (info->txbuf);
+		info->txbuf = NULL;
+	}
+
+}
+
+irqreturn_t
+ifx_ssc_rx_int (int irq, void *dev_id)
+{
+	struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
+	rx_int (info);
+
+	return IRQ_HANDLED;
+}
+
+irqreturn_t
+ifx_ssc_tx_int (int irq, void *dev_id)
+{
+	struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
+	tx_int (info);
+
+	return IRQ_HANDLED;
+}
+
+irqreturn_t
+ifx_ssc_err_int (int irq, void *dev_id)
+{
+	struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
+	unsigned int state;
+	unsigned int write_back = 0;
+	unsigned long flags;
+
+	local_irq_save (flags);
+	state = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE);
+
+	if ((state & IFX_SSC_STATE_RX_UFL) != 0) {
+		info->stats.rxUnErr++;
+		write_back |= IFX_SSC_WHBSTATE_CLR_RX_UFL_ERROR;
+	}
+
+	if ((state & IFX_SSC_STATE_RX_OFL) != 0) {
+		info->stats.rxOvErr++;
+		write_back |= IFX_SSC_WHBSTATE_CLR_RX_OFL_ERROR;
+	}
+
+	if ((state & IFX_SSC_STATE_TX_OFL) != 0) {
+		info->stats.txOvErr++;
+		write_back |= IFX_SSC_WHBSTATE_CLR_TX_OFL_ERROR;
+	}
+
+	if ((state & IFX_SSC_STATE_TX_UFL) != 0) {
+		info->stats.txUnErr++;
+		write_back |= IFX_SSC_WHBSTATE_CLR_TX_UFL_ERROR;
+	}
+
+	if ((state & IFX_SSC_STATE_MODE_ERR) != 0) {
+		info->stats.modeErr++;
+		write_back |= IFX_SSC_WHBSTATE_CLR_MODE_ERROR;
+	}
+
+	if (write_back)
+		WRITE_PERIPHERAL_REGISTER (write_back, info->mapbase + IFX_SSC_WHBSTATE);
+
+	local_irq_restore (flags);
+
+	return IRQ_HANDLED;
+}
+
+static void
+ifx_ssc_abort (struct ifx_ssc_port *info)
+{
+	unsigned long flags;
+	bool enabled;
+
+	local_irq_save (flags);
+
+	disable_irq(info->rxirq);
+	disable_irq(info->txirq);
+	disable_irq(info->errirq);
+
+	local_irq_restore (flags);
+
+	// disable SSC (also aborts a receive request!)
+	// ### TO DO: Perhaps it's better to abort after the receiption of a 
+	// complete word. The disable cuts the transmission immediatly and 
+	// releases the chip selects. This could result in unpredictable 
+	// behavior of connected external devices!
+	enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED) != 0;
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	// flush fifos
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_XFCON_FIFO_FLUSH, info->mapbase + IFX_SSC_TXFCON);
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_XFCON_FIFO_FLUSH, info->mapbase + IFX_SSC_RXFCON);
+
+	// free txbuf
+	if (info->txbuf != NULL)
+	{
+		kfree (info->txbuf);
+		info->txbuf = NULL;
+	}
+
+	// wakeup read process
+	if (info->rxbuf != NULL)
+		wake_up_interruptible (&info->rwait);
+
+	// clear pending int's 
+	mask_and_ack_danube_irq(info->rxirq);
+	mask_and_ack_danube_irq(info->txirq);
+	mask_and_ack_danube_irq(info->errirq);
+
+	// clear error flags
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ALL_ERROR, info->mapbase + IFX_SSC_WHBSTATE);
+
+	if (enabled)
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+}
+
+/*
+ * This routine is called whenever a port is opened.  It enforces
+ * exclusive opening of a port and enables interrupts, etc.
+ */
+int
+ifx_ssc_open (struct inode *inode, struct file *filp)
+{
+	struct ifx_ssc_port *info;
+	int line;
+	int from_kernel = 0;
+
+	if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1)) {
+		from_kernel = 1;
+		line = (int) inode;
+	} else {
+		line = MINOR (filp->f_dentry->d_inode->i_rdev);
+		filp->f_op = &ifx_ssc_fops;
+	}
+
+	/* don't open more minor devices than we can support */
+	if (line < 0 || line >= PORT_CNT)
+		return -ENXIO;
+
+	info = &isp[line];
+
+	/* exclusive open */
+	if (info->port_is_open != 0)
+		return -EBUSY;
+	info->port_is_open++;
+
+	disable_irq(info->rxirq);
+	disable_irq(info->txirq);
+	disable_irq(info->errirq);
+
+	/* Flush and enable TX/RX FIFO */
+	WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, info->mapbase + IFX_SSC_TXFCON);
+	WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, info->mapbase + IFX_SSC_RXFCON);
+
+	/* logically flush the software FIFOs */
+	info->rxbuf_ptr = 0;
+	info->txbuf_ptr = 0;
+
+	/* clear all error bits */
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ALL_ERROR, info->mapbase + IFX_SSC_WHBSTATE);
+
+	// clear pending interrupts
+	mask_and_ack_danube_irq(info->rxirq);
+	mask_and_ack_danube_irq(info->txirq);
+	mask_and_ack_danube_irq(info->errirq);
+
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	return 0;
+}
+EXPORT_SYMBOL(ifx_ssc_open);
+
+int
+ifx_ssc_close (struct inode *inode, struct file *filp)
+{
+	struct ifx_ssc_port *info;
+	int idx;
+
+	if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1))
+		idx = (int) inode;
+	else
+		idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+
+	if (idx < 0 || idx >= PORT_CNT)
+		return -ENXIO;
+
+	info = &isp[idx];
+	if (!info)
+		return -ENXIO;
+
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	ifx_ssc_abort(info);
+
+	info->port_is_open--;
+
+	return 0;
+}
+EXPORT_SYMBOL(ifx_ssc_close);
+
+static ssize_t
+ifx_ssc_read_helper_poll (struct ifx_ssc_port *info, char *buf, size_t len, int from_kernel)
+{
+	ssize_t ret_val;
+	unsigned long flags;
+
+	if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
+		return -EFAULT;
+	local_irq_save (flags);
+	info->rxbuf_ptr = info->rxbuf;
+	info->rxbuf_end = info->rxbuf + len;
+	local_irq_restore (flags);
+	/* Vinetic driver always works in IFX_SSC_MODE_RXTX */
+	/* TXRX in poll mode */
+	while (info->rxbuf_ptr < info->rxbuf_end)
+	{
+		if (info->txbuf_ptr < info->txbuf_end)
+			tx_int (info);
+
+		rx_int (info);
+	};
+
+	ret_val = info->rxbuf_ptr - info->rxbuf;
+
+	return ret_val;
+}
+
+static ssize_t
+ifx_ssc_read_helper (struct ifx_ssc_port *info, char *buf, size_t len, int from_kernel)
+{
+	ssize_t ret_val;
+	unsigned long flags;
+	DECLARE_WAITQUEUE (wait, current);
+
+	if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
+		return -EFAULT;
+
+	local_irq_save (flags);
+	info->rxbuf_ptr = info->rxbuf;
+	info->rxbuf_end = info->rxbuf + len;
+
+	if (info->opts.modeRxTx == IFX_SSC_MODE_RXTX)
+	{
+		if ((info->txbuf == NULL) || (info->txbuf != info->txbuf_ptr) || (info->txbuf_end != len + info->txbuf))
+		{
+			local_irq_restore (flags);
+			printk ("IFX SSC - %s: write must be called before calling " "read in combined RX/TX!\n", __func__);
+			return -EFAULT;
+		}
+
+		local_irq_restore(flags);
+		tx_int (info);
+
+		if (info->txbuf_ptr < info->txbuf_end)
+			enable_irq(info->txirq);
+
+		enable_irq(info->rxirq);
+	} else {
+		local_irq_restore(flags);
+		if (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK)
+			return -EBUSY;
+		enable_irq(info->rxirq);
+		if (len < IFX_SSC_RXREQ_BLOCK_SIZE)
+			WRITE_PERIPHERAL_REGISTER (len << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ);
+		else
+			WRITE_PERIPHERAL_REGISTER (IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ);
+	}
+
+	__add_wait_queue (&info->rwait, &wait);
+	set_current_state (TASK_INTERRUPTIBLE);
+
+	do {
+		local_irq_save (flags);
+		if (info->rxbuf_ptr >= info->rxbuf_end)
+			break;
+
+		local_irq_restore (flags);
+
+		if (signal_pending (current))
+		{
+			ret_val = -ERESTARTSYS;
+			goto out;
+		}
+		schedule();
+	} while (1);
+
+	ret_val = info->rxbuf_ptr - info->rxbuf;
+	local_irq_restore (flags);
+
+out:
+	current->state = TASK_RUNNING;
+	__remove_wait_queue (&info->rwait, &wait);
+
+	return (ret_val);
+}
+
+static ssize_t
+ifx_ssc_write_helper (struct ifx_ssc_port *info, const char *buf,
+		      size_t len, int from_kernel)
+{
+	if (info->opts.modeRxTx == IFX_SSC_MODE_RX)
+		return -EFAULT;
+
+	info->txbuf_ptr = info->txbuf;
+	info->txbuf_end = len + info->txbuf;
+	if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
+	{
+		tx_int (info);
+		if (info->txbuf_ptr < info->txbuf_end)
+		{
+			enable_irq(info->txirq);
+		}
+	}
+
+	return len;
+}
+
+ssize_t
+ifx_ssc_kread (int port, char *kbuf, size_t len)
+{
+	struct ifx_ssc_port *info;
+	ssize_t ret_val;
+
+	if (port < 0 || port >= PORT_CNT)
+		return -ENXIO;
+
+	if (len == 0)
+		return 0;
+
+	info = &isp[port];
+
+	if (info->rxbuf != NULL)
+	{
+		printk ("SSC device busy\n");
+		return -EBUSY;
+	}
+
+	info->rxbuf = kbuf;
+	if (info->rxbuf == NULL)
+	{
+		printk ("SSC device error\n");
+		return -EINVAL;
+	}
+
+	ret_val = ifx_ssc_read_helper_poll (info, kbuf, len, 1);
+	info->rxbuf = NULL;
+
+	disable_irq(info->rxirq);
+
+	return ret_val;
+}
+EXPORT_SYMBOL(ifx_ssc_kread);
+
+ssize_t
+ifx_ssc_kwrite (int port, const char *kbuf, size_t len)
+{
+	struct ifx_ssc_port *info;
+	ssize_t ret_val;
+
+	if (port < 0 || port >= PORT_CNT)
+		return -ENXIO;
+
+	if (len == 0)
+		return 0;
+
+	info = &isp[port];
+
+	// check if transmission in progress
+	if (info->txbuf != NULL)
+		return -EBUSY;
+
+	info->txbuf = (char *) kbuf;
+
+	ret_val = ifx_ssc_write_helper (info, info->txbuf, len, 1);
+
+	if (ret_val < 0)
+		info->txbuf = NULL;
+
+	return ret_val;
+}
+EXPORT_SYMBOL(ifx_ssc_kwrite);
+
+static ssize_t
+ifx_ssc_read (struct file *filp, char *ubuf, size_t len, loff_t * off)
+{
+	ssize_t ret_val;
+	int idx;
+	struct ifx_ssc_port *info;
+
+	idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+	info = &isp[idx];
+
+	if (info->rxbuf != NULL)
+		return -EBUSY;
+
+	info->rxbuf = kmalloc (len + 3, GFP_KERNEL);
+	if (info->rxbuf == NULL)
+		return -ENOMEM;
+
+	ret_val = ifx_ssc_read_helper (info, info->rxbuf, len, 0);
+	if (copy_to_user ((void *) ubuf, info->rxbuf, ret_val) != 0)
+		ret_val = -EFAULT;
+
+	disable_irq(info->rxirq);
+
+	kfree (info->rxbuf);
+	info->rxbuf = NULL;
+
+	return (ret_val);
+}
+
+static ssize_t
+ifx_ssc_write (struct file *filp, const char *ubuf, size_t len, loff_t * off)
+{
+	int idx;
+	struct ifx_ssc_port *info;
+	int ret_val;
+
+	if (len == 0)
+		return (0);
+
+	idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+	info = &isp[idx];
+
+	if (info->txbuf != NULL)
+		return -EBUSY;
+
+	info->txbuf = kmalloc (len + 3, GFP_KERNEL);
+	if (info->txbuf == NULL)
+		return -ENOMEM;
+
+	ret_val = copy_from_user (info->txbuf, ubuf, len);
+	if (ret_val == 0)
+		ret_val = ifx_ssc_write_helper (info, info->txbuf, len, 0);
+	else
+		ret_val = -EFAULT;
+
+	if (ret_val < 0)
+	{
+		kfree (info->txbuf);
+		info->txbuf = NULL;
+	}
+
+	return (ret_val);
+}
+
+static struct ifx_ssc_frm_status *
+ifx_ssc_frm_status_get (struct ifx_ssc_port *info)
+{
+	unsigned long tmp;
+
+	tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFSTAT);
+	info->frm_status.DataBusy = (tmp & IFX_SSC_SFSTAT_IN_DATA) > 0;
+	info->frm_status.PauseBusy = (tmp & IFX_SSC_SFSTAT_IN_PAUSE) > 0;
+	info->frm_status.DataCount = (tmp & IFX_SSC_SFSTAT_DATA_COUNT_MASK) >> IFX_SSC_SFSTAT_DATA_COUNT_OFFSET;
+	info->frm_status.PauseCount = (tmp & IFX_SSC_SFSTAT_PAUSE_COUNT_MASK) >> IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET;
+	tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON);
+	info->frm_status.EnIntAfterData = (tmp & IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE) > 0;
+	info->frm_status.EnIntAfterPause = (tmp & IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE) > 0;
+
+	return &info->frm_status;
+}
+
+
+static struct ifx_ssc_frm_opts *
+ifx_ssc_frm_control_get (struct ifx_ssc_port *info)
+{
+	unsigned long tmp;
+
+	tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON);
+	info->frm_opts.FrameEnable = (tmp & IFX_SSC_SFCON_SF_ENABLE) > 0;
+	info->frm_opts.DataLength = (tmp & IFX_SSC_SFCON_DATA_LENGTH_MASK) >> IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
+	info->frm_opts.PauseLength = (tmp & IFX_SSC_SFCON_PAUSE_LENGTH_MASK) >> IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;
+	info->frm_opts.IdleData = (tmp & IFX_SSC_SFCON_PAUSE_DATA_MASK) >> IFX_SSC_SFCON_PAUSE_DATA_OFFSET;
+	info->frm_opts.IdleClock = (tmp & IFX_SSC_SFCON_PAUSE_CLOCK_MASK) >> IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET;
+	info->frm_opts.StopAfterPause = (tmp & IFX_SSC_SFCON_STOP_AFTER_PAUSE) > 0;
+
+	return &info->frm_opts;
+}
+
+static int
+ifx_ssc_frm_control_set (struct ifx_ssc_port *info)
+{
+	unsigned long tmp;
+
+	// check parameters
+	if ((info->frm_opts.DataLength > IFX_SSC_SFCON_DATA_LENGTH_MAX)
+	    || (info->frm_opts.DataLength < 1)
+	    || (info->frm_opts.PauseLength > IFX_SSC_SFCON_PAUSE_LENGTH_MAX)
+	    || (info->frm_opts.PauseLength < 1)
+	    || (info->frm_opts.IdleData & ~(IFX_SSC_SFCON_PAUSE_DATA_MASK >> IFX_SSC_SFCON_PAUSE_DATA_OFFSET))
+	    || (info->frm_opts.IdleClock & ~(IFX_SSC_SFCON_PAUSE_CLOCK_MASK >> IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET)))
+		return -EINVAL;
+
+	// read interrupt bits (they're not changed here)
+	tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON) &
+		(IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE | IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE);
+
+	// set all values with respect to it's bit position (for data and pause 
+	// length set N-1)
+	tmp = (info->frm_opts.DataLength - 1) << IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
+	tmp |= (info->frm_opts.PauseLength - 1) << IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;
+	tmp |= info->frm_opts.IdleData << IFX_SSC_SFCON_PAUSE_DATA_OFFSET;
+	tmp |= info->frm_opts.IdleClock << IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET;
+	tmp |= info->frm_opts.FrameEnable * IFX_SSC_SFCON_SF_ENABLE;
+	tmp |= info->frm_opts.StopAfterPause * IFX_SSC_SFCON_STOP_AFTER_PAUSE;
+
+	WRITE_PERIPHERAL_REGISTER(tmp, info->mapbase + IFX_SSC_SFCON);
+
+	return 0;
+}
+
+static int
+ifx_ssc_rxtx_mode_set (struct ifx_ssc_port *info, unsigned int val)
+{
+	unsigned long tmp;
+
+	if (!(info) || (val & ~(IFX_SSC_MODE_MASK)))
+		return -EINVAL;
+
+	if ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_BUSY)
+	    || (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK))
+		return -EBUSY;
+
+	tmp = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) & ~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)) | (val);
+	WRITE_PERIPHERAL_REGISTER (tmp, info->mapbase + IFX_SSC_CON);
+	info->opts.modeRxTx = val;
+
+	return 0;
+}
+
+static int
+ifx_ssc_sethwopts (struct ifx_ssc_port *info)
+{
+	unsigned long flags, bits;
+	struct ifx_ssc_hwopts *opts = &info->opts;
+
+	if ((opts->dataWidth < IFX_SSC_MIN_DATA_WIDTH)
+	    || (opts->dataWidth > IFX_SSC_MAX_DATA_WIDTH))
+		return -EINVAL;
+
+	bits = (opts->dataWidth - 1) << IFX_SSC_CON_DATA_WIDTH_OFFSET;
+	bits |= IFX_SSC_CON_ENABLE_BYTE_VALID;
+
+	if (opts->rxOvErrDetect)
+		bits |= IFX_SSC_CON_RX_OFL_CHECK;
+	if (opts->rxUndErrDetect)
+		bits |= IFX_SSC_CON_RX_UFL_CHECK;
+	if (opts->txOvErrDetect)
+		bits |= IFX_SSC_CON_TX_OFL_CHECK;
+	if (opts->txUndErrDetect)
+		bits |= IFX_SSC_CON_TX_UFL_CHECK;
+	if (opts->loopBack)
+		bits |= IFX_SSC_CON_LOOPBACK_MODE;
+	if (opts->echoMode)
+		bits |= IFX_SSC_CON_ECHO_MODE_ON;
+	if (opts->headingControl)
+		bits |= IFX_SSC_CON_MSB_FIRST;
+	if (opts->clockPhase)
+		bits |= IFX_SSC_CON_LATCH_THEN_SHIFT;
+	if (opts->clockPolarity)
+		bits |= IFX_SSC_CON_CLOCK_FALL;
+
+	switch (opts->modeRxTx)
+	{
+	case IFX_SSC_MODE_TX:
+		bits |= IFX_SSC_CON_RX_OFF;
+		break;
+	case IFX_SSC_MODE_RX:
+		bits |= IFX_SSC_CON_TX_OFF;
+		break;
+	}
+
+	local_irq_save (flags);
+
+	WRITE_PERIPHERAL_REGISTER (bits, info->mapbase + IFX_SSC_CON);
+	WRITE_PERIPHERAL_REGISTER ((info->opts.gpoCs << IFX_SSC_GPOCON_ISCSB0_POS) |
+				   (info->opts.gpoInv << IFX_SSC_GPOCON_INVOUT0_POS), info->mapbase + IFX_SSC_GPOCON);
+
+	WRITE_PERIPHERAL_REGISTER (info->opts.gpoCs << IFX_SSC_WHBGPOSTAT_SETOUT0_POS, info->mapbase + IFX_SSC_WHBGPOSTAT);
+
+	//master mode
+	if (opts->masterSelect)
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE);
+	else
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE);
+
+	// init serial framing
+	WRITE_PERIPHERAL_REGISTER (0, info->mapbase + IFX_SSC_SFCON);
+	/* set up the port pins */
+	//check for general requirements to switch (external) pad/pin characteristics
+	/* TODO: P0.9 SPI_CS4, P0.10 SPI_CS5, P 0.11 SPI_CS6, because of ASC0 */
+	/* p0.15 SPI_CS1(EEPROM), P0.13 SPI_CS3, */
+	/* Set p0.15 to alternative 01, others to 00 (In/OUT) */
+	*(DANUBE_GPIO_P0_DIR) = (*DANUBE_GPIO_P0_DIR) | (0xA000);
+	*(DANUBE_GPIO_P0_ALTSEL0) = (((*DANUBE_GPIO_P0_ALTSEL0) | (0x8000)) & (~(0x2000)));
+	*(DANUBE_GPIO_P0_ALTSEL1) = (((*DANUBE_GPIO_P0_ALTSEL1) & (~0x8000)) & (~(0x2000)));
+	*(DANUBE_GPIO_P0_OD) = (*DANUBE_GPIO_P0_OD) | 0xA000;
+
+	/* p1.6 SPI_CS2(SFLASH), p1.0 SPI_DIN, p1.1 SPI_DOUT, p1.2 SPI_CLK */
+	*(DANUBE_GPIO_P1_DIR) = ((*DANUBE_GPIO_P1_DIR) | (0x46)) & (~1);
+	*(DANUBE_GPIO_P1_ALTSEL0) = ((*DANUBE_GPIO_P1_ALTSEL0) | (0x47));
+	*(DANUBE_GPIO_P1_ALTSEL1) = (*DANUBE_GPIO_P1_ALTSEL1) & (~0x47);
+	*(DANUBE_GPIO_P1_OD) = (*DANUBE_GPIO_P1_OD) | 0x0046;
+
+	/*CS3 */
+	/*TODO: CS4 CS5 CS6 */
+	*DANUBE_GPIO_P0_OUT = ((*DANUBE_GPIO_P0_OUT) | 0x2000);
+
+	local_irq_restore (flags);
+
+	return 0;
+}
+
+static int
+ifx_ssc_set_baud (struct ifx_ssc_port *info, unsigned int baud)
+{
+	unsigned int ifx_ssc_clock;
+	unsigned int br;
+	unsigned long flags;
+	bool enabled;
+	int retval = 0;
+
+	ifx_ssc_clock = ifx_ssc_get_kernel_clk(info);
+	if (ifx_ssc_clock == 0)
+	{
+		retval = -EINVAL;
+		goto out;
+	}
+
+	local_irq_save (flags);
+
+	enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	br = (((ifx_ssc_clock >> 1) + baud / 2) / baud) - 1;
+	wmb();
+
+	if (br > 0xffff || ((br == 0) &&
+			((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_MASTER) == 0))) {
+		local_irq_restore (flags);
+		printk ("%s: invalid baudrate %u\n", __func__, baud);
+		return -EINVAL;
+	}
+
+	WRITE_PERIPHERAL_REGISTER (br, info->mapbase + IFX_SSC_BR);
+
+	if (enabled)
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	local_irq_restore(flags);
+
+out:
+	return retval;
+}
+
+static int
+ifx_ssc_hwinit (struct ifx_ssc_port *info)
+{
+	unsigned long flags;
+	bool enabled;
+
+	enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
+	WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	if (ifx_ssc_sethwopts (info) < 0)
+	{
+		printk ("%s: setting the hardware options failed\n", __func__);
+		return -EINVAL;
+	}
+
+	if (ifx_ssc_set_baud (info, info->baud) < 0)
+	{
+		printk ("%s: setting the baud rate failed\n", __func__);
+		return -EINVAL;
+	}
+
+	local_irq_save (flags);
+
+	/* TX FIFO */
+	WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE,
+				   info->mapbase + IFX_SSC_TXFCON);
+	/* RX FIFO */
+	WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, 
+				   info->mapbase + IFX_SSC_RXFCON);
+
+	local_irq_restore (flags);
+
+	if (enabled)
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+
+	return 0;
+}
+
+int
+ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data)
+{
+	struct ifx_ssc_port *info;
+	int line, ret_val = 0;
+	unsigned long flags;
+	unsigned long tmp;
+	int from_kernel = 0;
+
+	if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1))
+	{
+		from_kernel = 1;
+		line = (int) inode;
+	} else {
+		line = MINOR (filp->f_dentry->d_inode->i_rdev);
+	}
+
+	if (line < 0 || line >= PORT_CNT)
+		return -ENXIO;
+
+	info = &isp[line];
+
+	switch (cmd)
+	{
+	case IFX_SSC_STATS_READ:
+		/* data must be a pointer to a struct ifx_ssc_statistics */
+		if (from_kernel)
+			memcpy ((void *) data, (void *) &info->stats,
+				sizeof (struct ifx_ssc_statistics));
+		else if (copy_to_user ((void *) data,
+				       (void *) &info->stats,
+				       sizeof (struct ifx_ssc_statistics)))
+			ret_val = -EFAULT;
+		break;
+	case IFX_SSC_STATS_RESET:
+		/* just resets the statistics counters */
+		memset ((void *) &info->stats, 0,
+			sizeof (struct ifx_ssc_statistics));
+		break;
+	case IFX_SSC_BAUD_SET:
+		/* if the buffers are not empty then the port is */
+		/* busy and we shouldn't change things on-the-fly! */
+		if (!info->txbuf || !info->rxbuf ||
+		    (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE)
+		     & IFX_SSC_STATE_BUSY)) {
+			ret_val = -EBUSY;
+			break;
+		}
+		/* misuse flags */
+		if (from_kernel)
+			flags = *((unsigned long *) data);
+		else if (copy_from_user ((void *) &flags,
+					 (void *) data, sizeof (flags))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		if (flags == 0) {
+			ret_val = -EINVAL;
+			break;
+		}
+		if (ifx_ssc_set_baud (info, flags) < 0) {
+			ret_val = -EINVAL;
+			break;
+		}
+		info->baud = flags;
+		break;
+	case IFX_SSC_BAUD_GET:
+		if (from_kernel)
+			*((unsigned int *) data) = info->baud;
+		else if (copy_to_user ((void *) data,
+				       (void *) &info->baud,
+				       sizeof (unsigned long)))
+			ret_val = -EFAULT;
+		break;
+	case IFX_SSC_RXTX_MODE_SET:
+		if (from_kernel)
+			tmp = *((unsigned long *) data);
+		else if (copy_from_user ((void *) &tmp,
+					 (void *) data, sizeof (tmp))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		ret_val = ifx_ssc_rxtx_mode_set (info, tmp);
+		break;
+	case IFX_SSC_RXTX_MODE_GET:
+		tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) &
+			(~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF));
+		if (from_kernel)
+			*((unsigned int *) data) = tmp;
+		else if (copy_to_user ((void *) data,
+				       (void *) &tmp, sizeof (tmp)))
+			ret_val = -EFAULT;
+		break;
+
+	case IFX_SSC_ABORT:
+		ifx_ssc_abort (info);
+		break;
+
+	case IFX_SSC_GPO_OUT_SET:
+		if (from_kernel)
+			tmp = *((unsigned long *) data);
+		else if (copy_from_user ((void *) &tmp,
+					 (void *) data, sizeof (tmp))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		if (tmp > IFX_SSC_MAX_GPO_OUT)
+			ret_val = -EINVAL;
+		else
+			WRITE_PERIPHERAL_REGISTER
+				(1 << (tmp + IFX_SSC_WHBGPOSTAT_SETOUT0_POS),
+				 info->mapbase + IFX_SSC_WHBGPOSTAT);
+		break;
+	case IFX_SSC_GPO_OUT_CLR:
+		if (from_kernel)
+			tmp = *((unsigned long *) data);
+		else if (copy_from_user ((void *) &tmp,
+					 (void *) data, sizeof (tmp))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		if (tmp > IFX_SSC_MAX_GPO_OUT)
+			ret_val = -EINVAL;
+		else {
+			WRITE_PERIPHERAL_REGISTER
+				(1 << (tmp + IFX_SSC_WHBGPOSTAT_CLROUT0_POS),
+				 info->mapbase + IFX_SSC_WHBGPOSTAT);
+		}
+		break;
+	case IFX_SSC_GPO_OUT_GET:
+		tmp = READ_PERIPHERAL_REGISTER
+			(info->mapbase + IFX_SSC_GPOSTAT);
+		if (from_kernel)
+			*((unsigned int *) data) = tmp;
+		else if (copy_to_user ((void *) data,
+				       (void *) &tmp, sizeof (tmp)))
+			ret_val = -EFAULT;
+		break;
+	case IFX_SSC_FRM_STATUS_GET:
+		ifx_ssc_frm_status_get (info);
+		if (from_kernel)
+			memcpy ((void *) data, (void *) &info->frm_status,
+				sizeof (struct ifx_ssc_frm_status));
+		else if (copy_to_user ((void *) data,
+				       (void *) &info->frm_status,
+				       sizeof (struct ifx_ssc_frm_status)))
+			ret_val = -EFAULT;
+		break;
+	case IFX_SSC_FRM_CONTROL_GET:
+		ifx_ssc_frm_control_get (info);
+		if (from_kernel)
+			memcpy ((void *) data, (void *) &info->frm_opts,
+				sizeof (struct ifx_ssc_frm_opts));
+		else if (copy_to_user ((void *) data,
+				       (void *) &info->frm_opts,
+				       sizeof (struct ifx_ssc_frm_opts)))
+			ret_val = -EFAULT;
+		break;
+	case IFX_SSC_FRM_CONTROL_SET:
+		if (from_kernel)
+			memcpy ((void *) &info->frm_opts, (void *) data,
+				sizeof (struct ifx_ssc_frm_opts));
+		else if (copy_to_user ((void *) &info->frm_opts,
+				       (void *) data,
+				       sizeof (struct ifx_ssc_frm_opts))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		ret_val = ifx_ssc_frm_control_set (info);
+		break;
+	case IFX_SSC_HWOPTS_SET:
+		/* data must be a pointer to a struct ifx_ssc_hwopts */
+		/* if the buffers are not empty then the port is */
+		/* busy and we shouldn't change things on-the-fly! */
+		if (!info->txbuf || !info->rxbuf ||
+		    (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE)
+		     & IFX_SSC_STATE_BUSY)) {
+			ret_val = -EBUSY;
+			break;
+		}
+		if (from_kernel)
+			memcpy ((void *) &info->opts, (void *) data,
+				sizeof (struct ifx_ssc_hwopts));
+		else if (copy_from_user ((void *) &info->opts,
+					 (void *) data,
+					 sizeof (struct ifx_ssc_hwopts))) {
+			ret_val = -EFAULT;
+			break;
+		}
+		if (ifx_ssc_hwinit (info) < 0) {
+			ret_val = -EIO;
+		}
+		break;
+	case IFX_SSC_HWOPTS_GET:
+		/* data must be a pointer to a struct ifx_ssc_hwopts */
+		if (from_kernel)
+			memcpy ((void *) data, (void *) &info->opts,
+				sizeof (struct ifx_ssc_hwopts));
+		else if (copy_to_user ((void *) data,
+				       (void *) &info->opts,
+				       sizeof (struct ifx_ssc_hwopts)))
+			ret_val = -EFAULT;
+		break;
+	default:
+		ret_val = -ENOIOCTLCMD;
+	}
+
+	return ret_val;
+}
+EXPORT_SYMBOL(ifx_ssc_ioctl);
+
+static int
+ifx_ssc1_read_proc (char *page, char **start, off_t offset, int count, int *eof, void *data)
+{
+	int off = 0;
+	unsigned long flags;
+
+	local_save_flags(flags);
+	local_irq_disable();
+
+	off += sprintf (page + off, "Statistics for Infineon Synchronous Serial Controller SSC1\n");
+	off += sprintf (page + off, "RX overflow errors %d\n", isp[0].stats.rxOvErr);
+	off += sprintf (page + off, "RX underflow errors %d\n", isp[0].stats.rxUnErr);
+	off += sprintf (page + off, "TX overflow errors %d\n", isp[0].stats.txOvErr);
+	off += sprintf (page + off, "TX underflow errors %d\n", isp[0].stats.txUnErr);
+	off += sprintf (page + off, "Abort errors %d\n", isp[0].stats.abortErr);
+	off += sprintf (page + off, "Mode errors %d\n", isp[0].stats.modeErr);
+	off += sprintf (page + off, "RX Bytes %d\n", isp[0].stats.rxBytes);
+	off += sprintf (page + off, "TX Bytes %d\n", isp[0].stats.txBytes);
+
+	local_irq_restore(flags);
+	*eof = 1;
+
+	return off;
+}
+
+int __init
+ifx_ssc_init (void)
+{
+	struct ifx_ssc_port *info;
+	int i, nbytes;
+	unsigned long flags;
+	int ret_val;
+
+	ret_val = -ENOMEM;
+	nbytes = PORT_CNT * sizeof(struct ifx_ssc_port);
+	isp = (struct ifx_ssc_port*)kmalloc(nbytes, GFP_KERNEL);
+
+	if (isp == NULL)
+	{
+		printk("%s: no memory for isp\n", __func__);
+		return (ret_val);
+	}
+	memset(isp, 0, nbytes);
+
+	ret_val = -ENXIO;
+	if ((i = register_chrdev (maj, "ssc", &ifx_ssc_fops)) < 0)
+	{
+		printk ("Unable to register major %d for the Infineon SSC\n", maj);
+		if (maj == 0)
+		{
+			goto errout;
+		} else {
+			maj = 0;
+			if ((i = register_chrdev (maj, "ssc", &ifx_ssc_fops)) < 0)
+			{
+				printk ("Unable to register major %d for the Infineon SSC\n", maj);
+				goto errout;
+			}
+		}
+	}
+
+	if (maj == 0)
+		maj = i;
+
+	/* set default values in ifx_ssc_port */
+	for (i = 0; i < PORT_CNT; i++) {
+		info = &isp[i];
+		info->port_nr = i;
+		/* default values for the HwOpts */
+		info->opts.AbortErrDetect = IFX_SSC_DEF_ABRT_ERR_DETECT;
+		info->opts.rxOvErrDetect = IFX_SSC_DEF_RO_ERR_DETECT;
+		info->opts.rxUndErrDetect = IFX_SSC_DEF_RU_ERR_DETECT;
+		info->opts.txOvErrDetect = IFX_SSC_DEF_TO_ERR_DETECT;
+		info->opts.txUndErrDetect = IFX_SSC_DEF_TU_ERR_DETECT;
+		info->opts.loopBack = IFX_SSC_DEF_LOOP_BACK;
+		info->opts.echoMode = IFX_SSC_DEF_ECHO_MODE;
+		info->opts.idleValue = IFX_SSC_DEF_IDLE_DATA;
+		info->opts.clockPolarity = IFX_SSC_DEF_CLOCK_POLARITY;
+		info->opts.clockPhase = IFX_SSC_DEF_CLOCK_PHASE;
+		info->opts.headingControl = IFX_SSC_DEF_HEADING_CONTROL;
+		info->opts.dataWidth = IFX_SSC_DEF_DATA_WIDTH;
+		info->opts.modeRxTx = IFX_SSC_DEF_MODE_RXTX;
+		info->opts.gpoCs = IFX_SSC_DEF_GPO_CS;
+		info->opts.gpoInv = IFX_SSC_DEF_GPO_INV;
+		info->opts.masterSelect = IFX_SSC_DEF_MASTERSLAVE;
+		info->baud = IFX_SSC_DEF_BAUDRATE;
+		info->rxbuf = NULL;
+		info->txbuf = NULL;
+		/* values specific to SSC1 */
+		if (i == 0) {
+			info->mapbase = DANUBE_SSC1_BASE_ADDR;
+			info->txirq = DANUBE_SSC_TIR;
+			info->rxirq = DANUBE_SSC_RIR;
+			info->errirq = DANUBE_SSC_EIR;
+		}
+
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_RMC << IFX_CLC_RUN_DIVIDER_OFFSET, info->mapbase + IFX_SSC_CLC);
+
+		init_waitqueue_head (&info->rwait);
+
+		local_irq_save (flags);
+
+		// init serial framing register
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_SFCON, info->mapbase + IFX_SSC_SFCON);
+
+		ret_val = request_irq(info->txirq, ifx_ssc_tx_int, SA_INTERRUPT, "ifx_ssc_tx", info);
+		if (ret_val)
+		{
+			printk("%s: unable to get irq %d\n", __func__, info->txirq);
+			local_irq_restore(flags);
+			goto errout;
+		}
+
+		ret_val = request_irq(info->rxirq, ifx_ssc_rx_int, SA_INTERRUPT, "ifx_ssc_rx", info);
+		if (ret_val)
+		{
+			printk ("%s: unable to get irq %d\n", __func__, info->rxirq);
+			local_irq_restore (flags);
+			goto irqerr;
+		}
+
+		ret_val = request_irq(info->errirq, ifx_ssc_err_int, SA_INTERRUPT,"ifx_ssc_err", info);
+		if (ret_val)
+		{
+			printk ("%s: unable to get irq %d\n", __func__, info->errirq);
+			local_irq_restore (flags);
+			goto irqerr;
+		}
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_IRNEN, info->mapbase + IFX_SSC_IRN_EN);
+
+		enable_irq(info->txirq);
+		enable_irq(info->rxirq);
+		enable_irq(info->errirq);
+
+		local_irq_restore (flags);
+	}
+
+	for (i = 0; i < PORT_CNT; i++) {
+		info = &isp[i];
+		if (ifx_ssc_hwinit (info) < 0)
+		{
+			printk ("%s: hardware init failed for port %d\n", __func__, i);
+			goto irqerr;
+		}
+	}
+
+	create_proc_read_entry ("driver/ssc1", 0, NULL, ifx_ssc1_read_proc, NULL);
+
+	return 0;
+
+irqerr:
+	free_irq(isp[0].txirq, &isp[0]);
+	free_irq(isp[0].rxirq, &isp[0]);
+	free_irq(isp[0].errirq, &isp[0]);
+errout:
+	kfree (isp);
+	return (ret_val);
+}
+
+void
+ifx_ssc_cleanup_module (void)
+{
+	int i;
+
+	for (i = 0; i < PORT_CNT; i++) {
+		WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, isp[i].mapbase + IFX_SSC_WHBSTATE);
+		free_irq(isp[i].txirq, &isp[i]);
+		free_irq(isp[i].rxirq, &isp[i]);
+		free_irq(isp[i].errirq, &isp[i]);
+	}
+	kfree (isp);
+	remove_proc_entry ("driver/ssc1", NULL);
+}
+
+module_init(ifx_ssc_init);
+module_exit(ifx_ssc_cleanup_module);
+
+
+inline int
+ifx_ssc_cs_low (u32 pin)
+{
+	int ret = 0;
+	if ((ret = ifx_ssc_ioctl ((struct inode *) 0, NULL, IFX_SSC_GPO_OUT_CLR, (unsigned long) &pin)))
+		printk ("clear CS %d fails\n", pin);
+	wmb ();
+
+	return ret;
+}
+EXPORT_SYMBOL(ifx_ssc_cs_low);
+
+inline int
+ifx_ssc_cs_high (u32 pin)
+{
+	int ret = 0;
+	if ((ret = ifx_ssc_ioctl((struct inode *) 0, NULL, IFX_SSC_GPO_OUT_SET, (unsigned long) &pin)))
+		printk ("set CS %d fails\n", pin);
+	wmb ();
+
+	return ret;
+}
+EXPORT_SYMBOL(ifx_ssc_cs_high);
+
+static int
+ssc_session (char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)
+{
+	int ret = 0;
+
+	char *ssc_tx_buf = NULL;
+	char *ssc_rx_buf = NULL;
+	int eff_size = 0;
+	u8 mode = 0;
+
+	if (tx_buf == NULL && tx_len == 0 && rx_buf == NULL && rx_len == 0) {
+		printk ("invalid parameters\n");
+		ret = -EINVAL;
+		goto ssc_session_exit;
+	}
+	else if (tx_buf == NULL || tx_len == 0) {
+		if (rx_buf != NULL && rx_len != 0) {
+			mode = IFX_SSC_MODE_RX;
+		}
+		else {
+			printk ("invalid parameters\n");
+			ret = -EINVAL;
+			goto ssc_session_exit;
+		}
+	}
+	else if (rx_buf == NULL || rx_len == 0) {
+		if (tx_buf != NULL && tx_len != 0) {
+			mode = IFX_SSC_MODE_TX;
+		}
+		else {
+			printk ("invalid parameters\n");
+			ret = -EINVAL;
+			goto ssc_session_exit;
+		}
+	}
+	else {
+		mode = IFX_SSC_MODE_RXTX;
+	}
+
+	if (mode == IFX_SSC_MODE_RXTX) {
+		eff_size = tx_len + rx_len;
+	}
+	else if (mode == IFX_SSC_MODE_RX) {
+		eff_size = rx_len;
+	}
+	else {
+		eff_size = tx_len;
+	}
+
+	//4 bytes alignment,  required by driver
+	/* change by TaiCheng */
+	//if (in_irq()){
+	if (1) {
+		ssc_tx_buf =
+			(char *) kmalloc (sizeof (char) *
+					  ((eff_size + 3) & (~3)),
+					  GFP_ATOMIC);
+		ssc_rx_buf =
+			(char *) kmalloc (sizeof (char) *
+					  ((eff_size + 3) & (~3)),
+					  GFP_ATOMIC);
+	}
+	else {
+		ssc_tx_buf =
+			(char *) kmalloc (sizeof (char) *
+					  ((eff_size + 3) & (~3)),
+					  GFP_KERNEL);
+		ssc_rx_buf =
+			(char *) kmalloc (sizeof (char) *
+					  ((eff_size + 3) & (~3)),
+					  GFP_KERNEL);
+	}
+	if (ssc_tx_buf == NULL || ssc_rx_buf == NULL) {
+		printk ("no memory for size of %d\n", eff_size);
+		ret = -ENOMEM;
+		goto ssc_session_exit;
+	}
+	memset ((void *) ssc_tx_buf, 0, eff_size);
+	memset ((void *) ssc_rx_buf, 0, eff_size);
+
+	if (tx_len > 0) {
+		memcpy (ssc_tx_buf, tx_buf, tx_len);
+	}
+
+	ret = ifx_ssc_kwrite (0, ssc_tx_buf, eff_size);
+
+	if (ret > 0) {
+		ssc_tx_buf = NULL;	//should be freed by ifx_ssc_kwrite
+	}
+
+	if (ret != eff_size) {
+		printk ("ifx_ssc_write return %d\n", ret);
+		goto ssc_session_exit;
+	}
+	ret = ifx_ssc_kread (0, ssc_rx_buf, eff_size);
+	if (ret != eff_size) {
+		printk ("ifx_ssc_read return %d\n", ret);
+		goto ssc_session_exit;
+	}
+
+	memcpy (rx_buf, ssc_rx_buf + tx_len, rx_len);
+
+	if (mode == IFX_SSC_MODE_TX) {
+		ret = tx_len;
+	}
+	else {
+		ret = rx_len;
+	}
+      ssc_session_exit:
+
+	if (ssc_tx_buf != NULL)
+		kfree (ssc_tx_buf);
+	if (ssc_rx_buf != NULL)
+		kfree (ssc_rx_buf);
+
+	if (ret < 0) {
+		printk ("ssc session fails\n");
+	}
+	return ret;
+}
+
+int
+ifx_ssc_txrx (char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)
+{
+	return ssc_session(tx_buf, tx_len, rx_buf, rx_len);
+}
+EXPORT_SYMBOL(ifx_ssc_txrx);
+
+int
+ifx_ssc_tx (char *tx_buf, u32 tx_len)
+{
+	return ssc_session(tx_buf, tx_len, NULL, 0);
+}
+EXPORT_SYMBOL(ifx_ssc_tx);
+
+int
+ifx_ssc_rx (char *rx_buf, u32 rx_len)
+{
+	return ssc_session(NULL, 0, rx_buf, rx_len);
+}
+EXPORT_SYMBOL(ifx_ssc_rx);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("danube ssc driver");
+
diff --git a/target/linux/ifxmips/files/drivers/char/watchdog/danube_wdt.c b/target/linux/ifxmips/files/drivers/char/watchdog/danube_wdt.c
new file mode 100644
index 0000000000..be2b339381
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/char/watchdog/danube_wdt.c
@@ -0,0 +1,287 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2006 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <asm/uaccess.h>
+#include <linux/errno.h>
+#include <linux/proc_fs.h>
+#include <linux/ioctl.h>
+#include <linux/module.h>
+#include <asm-mips/danube/danube_wdt.h>
+#include <asm-mips/danube/danube.h>
+
+
+// TODO remove magic numbers and weirdo macros
+
+extern unsigned int danube_get_fpi_hz (void);
+
+static int danube_wdt_inuse = 0;
+static int danube_wdt_major = 0;
+
+int
+danube_wdt_enable (unsigned int timeout)
+{
+	unsigned int wdt_cr = 0;
+	unsigned int wdt_reload = 0;
+	unsigned int wdt_clkdiv, wdt_pwl, ffpi;
+	int retval = 0;
+
+	/* clock divider & prewarning limit */
+	wdt_clkdiv = 1 << (7 * DANUBE_BIU_WDT_CR_CLKDIV_GET(readl(DANUBE_BIU_WDT_CR)));
+	wdt_pwl = 0x8000 >> DANUBE_BIU_WDT_CR_PWL_GET(readl(DANUBE_BIU_WDT_CR));
+
+	//TODO
+	printk("WARNING FUNCTION CALL MISSING!!!");
+	//ffpi = cgu_get_io_region_clock();
+	printk("cpu clock = %d\n", ffpi);
+
+	/* caculate reload value */
+	wdt_reload = (timeout * (ffpi / wdt_clkdiv)) + wdt_pwl;
+
+	printk("wdt_pwl=0x%x, wdt_clkdiv=%d, ffpi=%d, wdt_reload = 0x%x\n",
+		wdt_pwl, wdt_clkdiv, ffpi, wdt_reload);
+
+	if (wdt_reload > 0xFFFF)
+	{
+		printk ("timeout too large %d\n", timeout);
+		retval = -EINVAL;
+		goto out;
+	}
+
+	/* Write first part of password access */
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW1), DANUBE_BIU_WDT_CR);
+
+	wdt_cr = readl(DANUBE_BIU_WDT_CR);
+	wdt_cr &= (!DANUBE_BIU_WDT_CR_PW_SET(0xff) &
+		   !DANUBE_BIU_WDT_CR_PWL_SET(0x3) &
+		   !DANUBE_BIU_WDT_CR_CLKDIV_SET(0x3) &
+		   !DANUBE_BIU_WDT_CR_RELOAD_SET(0xffff));
+
+	wdt_cr |= (DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2) |
+		   DANUBE_BIU_WDT_CR_PWL_SET(DANUBE_BIU_WDT_CR_PWL_GET(readl(DANUBE_BIU_WDT_CR))) |
+		   DANUBE_BIU_WDT_CR_CLKDIV_SET(DANUBE_BIU_WDT_CR_CLKDIV_GET(readl(DANUBE_BIU_WDT_CR))) |
+		   DANUBE_BIU_WDT_CR_RELOAD_SET(wdt_reload) |
+		   DANUBE_BIU_WDT_CR_GEN);
+
+	writel(wdt_cr, DANUBE_BIU_WDT_CR);
+
+	printk("watchdog enabled\n");
+
+out:
+	return retval;
+}
+
+void
+danube_wdt_disable (void)
+{
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW1), DANUBE_BIU_WDT_CR);
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2), DANUBE_BIU_WDT_CR);
+
+	printk("watchdog disabled\n");
+}
+
+/* passed LPEN or DSEN */
+void
+danube_wdt_enable_feature (int en, int type)
+{
+	unsigned int wdt_cr = 0;
+
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW1), DANUBE_BIU_WDT_CR);
+
+	wdt_cr = readl(DANUBE_BIU_WDT_CR);
+
+	if (en)
+	{
+		wdt_cr &= (~DANUBE_BIU_WDT_CR_PW_SET(0xff));
+		wdt_cr |= (DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2) | type);
+	} else {
+		wdt_cr &= (~DANUBE_BIU_WDT_CR_PW_SET(0xff) & ~type);
+		wdt_cr |= DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2);
+	}
+
+	writel(wdt_cr, DANUBE_BIU_WDT_CR);
+}
+
+void
+danube_wdt_prewarning_limit (int pwl)
+{
+	unsigned int wdt_cr = 0;
+
+	wdt_cr = readl(DANUBE_BIU_WDT_CR);
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW1), DANUBE_BIU_WDT_CR);
+
+	wdt_cr &= 0xf300ffff;
+	wdt_cr |= (DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2) | DANUBE_BIU_WDT_CR_PWL_SET(pwl));
+
+	/* Set reload value in second password access */
+	writel(wdt_cr, DANUBE_BIU_WDT_CR);
+}
+
+void
+danube_wdt_set_clkdiv (int clkdiv)
+{
+	unsigned int wdt_cr = 0;
+
+	wdt_cr = readl(DANUBE_BIU_WDT_CR);
+	writel(DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW1), DANUBE_BIU_WDT_CR);
+
+	wdt_cr &= 0xfc00ffff;
+	wdt_cr |= (DANUBE_BIU_WDT_CR_PW_SET(DANUBE_WDT_PW2) | DANUBE_BIU_WDT_CR_CLKDIV_SET(clkdiv));
+
+	/* Set reload value in second password access */
+	writel(wdt_cr, DANUBE_BIU_WDT_CR);
+}
+
+static int
+danube_wdt_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
+	   unsigned long arg)
+{
+	int result = 0;
+	static int timeout = -1;
+	unsigned int user_arg;
+
+	if ((cmd != DANUBE_WDT_IOC_STOP) && (cmd != DANUBE_WDT_IOC_PING) && (cmd != DANUBE_WDT_IOC_GET_STATUS))
+	{
+		if (copy_from_user((void *) &user_arg, (void *) arg, sizeof (int))){
+			result = -EINVAL;
+			goto out;
+		}
+	}
+
+	switch (cmd)
+	{
+	case DANUBE_WDT_IOC_START:
+		if ((result = danube_wdt_enable(user_arg)) < 0)
+			timeout = -1;
+		else
+			timeout = user_arg;
+		break;
+
+	case DANUBE_WDT_IOC_STOP:
+		printk("disable watch dog timer\n");
+		danube_wdt_disable();
+		break;
+
+	case DANUBE_WDT_IOC_PING:
+		if (timeout < 0)
+			result = -EIO;
+		else
+			result = danube_wdt_enable(timeout);
+		break;
+
+	case DANUBE_WDT_IOC_GET_STATUS:
+		user_arg = readl(DANUBE_BIU_WDT_SR);
+		copy_to_user((int*)arg, (int*)&user_arg, sizeof(int));
+		break;
+
+	case DANUBE_WDT_IOC_SET_PWL:
+		danube_wdt_prewarning_limit(user_arg);
+		break;
+
+	case DANUBE_WDT_IOC_SET_DSEN:
+		danube_wdt_enable_feature(user_arg, DANUBE_BIU_WDT_CR_DSEN);
+		break;
+
+	case DANUBE_WDT_IOC_SET_LPEN:
+		danube_wdt_enable_feature(user_arg, DANUBE_BIU_WDT_CR_LPEN);
+		break;
+
+	case DANUBE_WDT_IOC_SET_CLKDIV:
+		danube_wdt_set_clkdiv(user_arg);
+		break;
+
+	default:
+		printk("unknown watchdog iotcl\n");
+	}
+
+out:
+	return result;
+}
+
+static int
+danube_wdt_open (struct inode *inode, struct file *file)
+{
+	if (danube_wdt_inuse)
+		return -EBUSY;
+
+	danube_wdt_inuse = 1;
+
+	return 0;
+}
+
+static int
+danube_wdt_release (struct inode *inode, struct file *file)
+{
+	danube_wdt_inuse = 0;
+
+	return 0;
+}
+
+int
+danube_wdt_register_proc_read (char *buf, char **start, off_t offset, int count,
+			int *eof, void *data)
+{
+	int len = 0;
+
+	len += sprintf (buf + len, "DANUBE_BIU_WDT_PROC_READ\n");
+	len += sprintf (buf + len, "DANUBE_BIU_WDT_CR(0x%08x)	: 0x%08x\n",
+			(unsigned int)DANUBE_BIU_WDT_CR, readl(DANUBE_BIU_WDT_CR));
+	len += sprintf (buf + len, "DANUBE_BIU_WDT_SR(0x%08x)	: 0x%08x\n",
+			(unsigned int)DANUBE_BIU_WDT_SR, readl(DANUBE_BIU_WDT_SR));
+
+	*eof = 1;
+
+	return len;
+}
+
+static struct file_operations wdt_fops = {
+      .owner = THIS_MODULE,
+      .ioctl = danube_wdt_ioctl,
+      .open = danube_wdt_open,
+      .release = danube_wdt_release,
+};
+
+int __init
+danube_wdt_init_module (void)
+{
+	danube_wdt_major = register_chrdev(0, "wdt", &wdt_fops);
+
+	if (danube_wdt_major < 0)
+	{
+		printk("cannot register watchdog device\n");
+
+		return -EINVAL;
+	}
+
+	create_proc_read_entry("danube_wdt", 0, NULL, danube_wdt_register_proc_read, NULL);
+
+	printk("danube watchdog loaded\n");
+
+	return 0;
+}
+
+void
+danube_wdt_cleanup_module (void)
+{
+	unregister_chrdev(danube_wdt_major, "wdt");
+	remove_proc_entry("danube_wdt", NULL);
+}
+
+module_init(danube_wdt_init_module);
+module_exit(danube_wdt_cleanup_module);
diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/danube.c b/target/linux/ifxmips/files/drivers/mtd/maps/danube.c
new file mode 100644
index 0000000000..25e9df3de8
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/mtd/maps/danube.c
@@ -0,0 +1,194 @@
+/*
+ *  Driver for DANUBE flashmap 
+ *
+ * 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
+ *
+ * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <asm/io.h>
+
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/cfi.h>
+#include <asm/danube/danube.h>
+#include <linux/magic.h>
+
+static struct map_info
+danube_map = {
+	.name = "DANUBE_FLASH",
+	.bankwidth = 2,
+	.size = 0x400000,
+};
+
+static map_word
+danube_read16 (struct map_info * map, unsigned long adr)
+{
+	map_word temp;
+
+	adr ^= 2;
+	temp.x[0] = *((__u16 *) (map->virt + adr));
+
+	return temp;
+}
+
+static void
+danube_write16 (struct map_info *map, map_word d, unsigned long adr)
+{
+	adr ^= 2;
+	*((__u16 *) (map->virt + adr)) = d.x[0];
+}
+
+void
+danube_copy_from (struct map_info *map, void *to, unsigned long from, ssize_t len)
+{
+	u8 *p;
+	u8 *to_8;
+
+	from = (unsigned long) (from + map->virt);
+	p = (u8 *) from;
+	to_8 = (u8 *) to;
+	while(len--){
+		*to_8++ = *p++;
+	}
+}
+
+void
+danube_copy_to (struct map_info *map, unsigned long to, const void *from, ssize_t len)
+{
+	u8 *p =  (u8*) from;
+	u8 *to_8;
+
+	to += (unsigned long) map->virt;
+	to_8 = (u8*)to;
+	while(len--){
+		*p++ = *to_8++;
+	}
+}
+
+static struct mtd_partition
+danube_partitions[4] = {
+	{
+		name:"U-Boot",
+		offset:0x00000000,
+		size:0x00020000,
+	},
+	{
+		name:"U-Boot-Env",
+		offset:0x00020000,
+		size:0x00010000,
+	},
+	{
+		name:"kernel",
+		offset:0x00030000,
+		size:0x0,
+	},
+	{
+		name:"rootfs",
+		offset:0x0,
+		size:0x0,
+	},
+};
+
+#define DANUBE_FLASH_START		0x10000000
+#define DANUBE_FLASH_MAX		0x2000000
+
+int
+find_uImage_size (unsigned long start_offset){
+	unsigned long temp;
+
+	danube_copy_from(&danube_map, &temp, start_offset + 12, 4);
+	printk("kernel size is %ld \n", temp + 0x40);
+	return temp + 0x40;
+}
+
+int
+detect_squashfs_partition (unsigned long start_offset){
+	unsigned long temp;
+
+	danube_copy_from(&danube_map, &temp, start_offset, 4);
+
+	return (temp == SQUASHFS_MAGIC);
+}
+
+int __init
+init_danube_mtd (void)
+{
+	struct mtd_info *danube_mtd = NULL;
+	struct mtd_partition *parts = NULL;
+	unsigned long uimage_size;
+
+	writel(0x1d7ff, DANUBE_EBU_BUSCON0);
+
+	danube_map.read = danube_read16;
+	danube_map.write = danube_write16;
+	danube_map.copy_from = danube_copy_from;
+	danube_map.copy_to = danube_copy_to;
+
+	danube_map.phys = DANUBE_FLASH_START;
+	danube_map.virt = ioremap_nocache(DANUBE_FLASH_START, DANUBE_FLASH_MAX);
+	danube_map.size = DANUBE_FLASH_MAX;
+	if (!danube_map.virt) {
+		printk(KERN_WARNING "Failed to ioremap!\n");
+		return -EIO;
+	}
+
+	danube_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &danube_map);
+	if (!danube_mtd) {
+		iounmap(danube_map.virt);
+		printk("probing failed\n");
+		return -ENXIO;
+	}
+
+	danube_mtd->owner = THIS_MODULE;
+
+	uimage_size = find_uImage_size(danube_partitions[2].offset);
+
+	if(detect_squashfs_partition(danube_partitions[2].offset + uimage_size)){
+		printk("Found a squashfs following the uImage\n");
+	} else {
+		uimage_size &= ~0xffff;
+		uimage_size += 0x10000;
+	}
+
+	danube_partitions[2].size = uimage_size;
+	danube_partitions[3].offset = danube_partitions[2].offset + danube_partitions[2].size;
+	danube_partitions[3].size = ((danube_mtd->size >> 20) * 1024 * 1024) - danube_partitions[3].offset;
+
+	parts = &danube_partitions[0];
+	add_mtd_partitions(danube_mtd, parts, 4);
+
+	printk("Added danube flash with %dMB\n", danube_mtd->size >> 20);
+	return 0;
+}
+
+static void
+__exit
+cleanup_danube_mtd (void)
+{
+}
+
+module_init (init_danube_mtd);
+module_exit (cleanup_danube_mtd);
+
+MODULE_LICENSE ("GPL");
+MODULE_AUTHOR ("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION ("MTD map driver for DANUBE boards");
diff --git a/target/linux/ifxmips/files/drivers/net/danube_mii0.c b/target/linux/ifxmips/files/drivers/net/danube_mii0.c
new file mode 100644
index 0000000000..354ccc36d1
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/net/danube_mii0.c
@@ -0,0 +1,433 @@
+/*
+ *   drivers/net/danube_mii0.c
+ *
+ *   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.
+ *
+ *   Copyright (C) 2005 Infineon
+ *
+ *   Rewrite of Infineon Danube code, thanks to infineon for the support,
+ *   software and hardware
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <asm/uaccess.h>
+#include <linux/in.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/skbuff.h>
+#include <linux/mm.h>
+#include <linux/ethtool.h>
+#include <asm/checksum.h>
+#include <linux/init.h>
+#include <asm/delay.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_mii0.h>
+#include <asm/danube/danube_dma.h>
+#include <asm/danube/danube_pmu.h>
+
+static struct net_device danube_mii0_dev;
+static unsigned char u_boot_ethaddr[MAX_ADDR_LEN];
+
+void
+danube_write_mdio (u32 phy_addr, u32 phy_reg, u16 phy_data)
+{
+	u32 val = MDIO_ACC_REQUEST |
+		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
+		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET) |
+		phy_data;
+
+	while (readl(DANUBE_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST);
+	writel(val, DANUBE_PPE32_MDIO_ACC);
+}
+
+unsigned short
+danube_read_mdio (u32 phy_addr, u32 phy_reg)
+{
+	u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ |
+		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
+		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET);
+
+	writel(val, DANUBE_PPE32_MDIO_ACC);
+	while (readl(DANUBE_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST){};
+	val = readl(DANUBE_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK;
+
+	return val;
+}
+
+int
+danube_switch_open (struct net_device *dev)
+{
+	struct switch_priv* priv = (struct switch_priv*)dev->priv;
+	struct dma_device_info* dma_dev = priv->dma_device;
+	int i;
+
+	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
+	{
+		if ((dma_dev->rx_chan[i])->control == DANUBE_DMA_CH_ON)
+			(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
+	}
+
+	netif_start_queue(dev);
+
+	return 0;
+}
+
+int
+switch_release (struct net_device *dev){
+	struct switch_priv* priv = (struct switch_priv*)dev->priv;
+	struct dma_device_info* dma_dev = priv->dma_device;
+	int i;
+
+	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
+		dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
+
+	netif_stop_queue(dev);
+
+	return 0;
+}
+
+int
+switch_hw_receive (struct net_device* dev,struct dma_device_info* dma_dev)
+{
+	struct switch_priv *priv = (struct switch_priv*)dev->priv;
+	unsigned char* buf = NULL;
+	struct sk_buff *skb = NULL;
+	int len = 0;
+
+	len = dma_device_read(dma_dev, &buf, (void**)&skb);
+
+	if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
+	{
+		printk("packet too large %d\n",len);
+		goto switch_hw_receive_err_exit;
+	}
+
+	/* remove CRC */
+	len -= 4;
+	if (skb == NULL )
+	{
+		printk("cannot restore pointer\n");
+		goto switch_hw_receive_err_exit;
+	}
+
+	if (len > (skb->end - skb->tail))
+	{
+		printk("BUG, len:%d end:%p tail:%p\n", (len+4), skb->end, skb->tail);
+		goto switch_hw_receive_err_exit;
+	}
+
+	skb_put(skb, len);
+	skb->dev = dev;
+	skb->protocol = eth_type_trans(skb, dev);
+	netif_rx(skb);
+
+	priv->stats.rx_packets++;
+	priv->stats.rx_bytes += len;
+
+	return 0;
+
+switch_hw_receive_err_exit:
+	if (len == 0)
+	{
+		if(skb)
+			dev_kfree_skb_any(skb);
+		priv->stats.rx_errors++;
+		priv->stats.rx_dropped++;
+
+		return -EIO;
+	} else {
+		return len;
+	}
+}
+
+int
+switch_hw_tx (char *buf, int len, struct net_device *dev)
+{
+	int ret = 0;
+	struct switch_priv *priv = dev->priv;
+	struct dma_device_info* dma_dev = priv->dma_device;
+
+	ret = dma_device_write(dma_dev, buf, len, priv->skb);
+
+	return ret;
+}
+
+int
+switch_tx (struct sk_buff *skb, struct net_device *dev)
+{
+	int len;
+	char *data;
+	struct switch_priv *priv = dev->priv;
+	struct dma_device_info* dma_dev = priv->dma_device;
+
+	len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
+	data = skb->data;
+	priv->skb = skb;
+	dev->trans_start = jiffies;
+	// TODO we got more than 1 dma channel, so we should do something intelligent
+	// here to select one
+	dma_dev->current_tx_chan = 0;
+
+	wmb();
+
+	if (switch_hw_tx(data, len, dev) != len)
+	{
+		dev_kfree_skb_any(skb);
+		priv->stats.tx_errors++;
+		priv->stats.tx_dropped++;
+	} else {
+		priv->stats.tx_packets++;
+		priv->stats.tx_bytes+=len;
+	}
+
+	return 0;
+}
+
+void
+switch_tx_timeout (struct net_device *dev)
+{
+	int i;
+	struct switch_priv* priv = (struct switch_priv*)dev->priv;
+
+	priv->stats.tx_errors++;
+
+	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+	{
+		priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
+	}
+
+	netif_wake_queue(dev);
+
+	return;
+}
+
+int
+dma_intr_handler (struct dma_device_info* dma_dev, int status)
+{
+	int i;
+
+	switch (status)
+	{
+	case RCV_INT:
+		switch_hw_receive(&danube_mii0_dev, dma_dev);
+		break;
+
+	case TX_BUF_FULL_INT:
+		printk("tx buffer full\n");
+		netif_stop_queue(&danube_mii0_dev);
+		for (i = 0; i < dma_dev->max_tx_chan_num; i++)
+		{
+			if ((dma_dev->tx_chan[i])->control==DANUBE_DMA_CH_ON)
+				dma_dev->tx_chan[i]->enable_irq(dma_dev->tx_chan[i]);
+		}
+		break;
+
+	case TRANSMIT_CPT_INT:
+		for (i = 0; i < dma_dev->max_tx_chan_num; i++)
+			dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
+
+		netif_wake_queue(&danube_mii0_dev);
+		break;
+	}
+
+	return 0;
+}
+
+unsigned char*
+danube_etop_dma_buffer_alloc (int len, int *byte_offset, void **opt)
+{
+	unsigned char *buffer = NULL;
+	struct sk_buff *skb = NULL;
+
+	skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
+	if (skb == NULL)
+		return NULL;
+
+	buffer = (unsigned char*)(skb->data);
+	skb_reserve(skb, 2);
+	*(int*)opt = (int)skb;
+	*byte_offset = 2;
+
+	return buffer;
+}
+
+void
+danube_etop_dma_buffer_free (unsigned char *dataptr, void *opt)
+{
+	struct sk_buff *skb = NULL;
+
+	if(opt == NULL)
+	{
+		kfree(dataptr);
+	} else {
+		skb = (struct sk_buff*)opt;
+		dev_kfree_skb_any(skb);
+	}
+}
+
+static struct net_device_stats*
+danube_get_stats (struct net_device *dev)
+{
+	return (struct net_device_stats *)dev->priv;
+}
+
+static int
+switch_init (struct net_device *dev)
+{
+	u64 retval = 0;
+	int i;
+	struct switch_priv *priv;
+
+	ether_setup(dev);
+
+	printk("%s up\n", dev->name);
+
+	dev->open = danube_switch_open;
+	dev->stop = switch_release;
+	dev->hard_start_xmit = switch_tx;
+	dev->get_stats = danube_get_stats;
+	dev->tx_timeout = switch_tx_timeout;
+	dev->watchdog_timeo = 10 * HZ;
+	dev->priv = kmalloc(sizeof(struct switch_priv), GFP_KERNEL);
+
+	if (dev->priv == NULL)
+		return -ENOMEM;
+
+	memset(dev->priv, 0, sizeof(struct switch_priv));
+	priv = dev->priv;
+
+	priv->dma_device = dma_device_reserve("PPE");
+
+	if (!priv->dma_device){
+		BUG();
+		return -ENODEV;
+	}
+
+	priv->dma_device->buffer_alloc = &danube_etop_dma_buffer_alloc;
+	priv->dma_device->buffer_free = &danube_etop_dma_buffer_free;
+	priv->dma_device->intr_handler = &dma_intr_handler;
+	priv->dma_device->max_rx_chan_num = 4;
+
+	for (i = 0; i < priv->dma_device->max_rx_chan_num; i++)
+	{
+		priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
+		priv->dma_device->rx_chan[i]->control = DANUBE_DMA_CH_ON;
+	}
+
+	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+	{
+		if(i == 0)
+			priv->dma_device->tx_chan[i]->control = DANUBE_DMA_CH_ON;
+		else
+			priv->dma_device->tx_chan[i]->control = DANUBE_DMA_CH_OFF;
+	}
+
+	dma_device_register(priv->dma_device);
+
+	/*read the mac address from the mac table and put them into the mac table.*/
+	for (i = 0; i < 6; i++)
+	{
+		retval += u_boot_ethaddr[i];
+	}
+
+	//TODO
+	/* ethaddr not set in u-boot ? */
+	if (retval == 0)
+	{
+		printk("use default MAC address\n");
+		dev->dev_addr[0] = 0x00;
+		dev->dev_addr[1] = 0x11;
+		dev->dev_addr[2] = 0x22;
+		dev->dev_addr[3] = 0x33;
+		dev->dev_addr[4] = 0x44;
+		dev->dev_addr[5] = 0x55;
+	} else {
+		for (i = 0; i < 6; i++)
+			dev->dev_addr[i] = u_boot_ethaddr[i];
+	}
+
+	return 0;
+}
+
+static void
+danube_sw_chip_init (int mode)
+{
+	danube_pmu_enable(DANUBE_PMU_PWDCR_DMA);
+	danube_pmu_enable(DANUBE_PMU_PWDCR_PPE);
+
+	if(mode == REV_MII_MODE)
+		writel((readl(DANUBE_PPE32_CFG) & PPE32_MII_MASK) | PPE32_MII_REVERSE, DANUBE_PPE32_CFG);
+	else if(mode == MII_MODE)
+		writel((readl(DANUBE_PPE32_CFG) & PPE32_MII_MASK) | PPE32_MII_NORMAL, DANUBE_PPE32_CFG);
+
+	writel(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, DANUBE_PPE32_IG_PLEN_CTRL);
+
+	writel(PPE32_CGEN, DANUBE_PPE32_ENET_MAC_CFG);
+
+	wmb();
+}
+
+int __init
+switch_init_module(void)
+{
+	int result = 0;
+
+	danube_mii0_dev.init = switch_init;
+
+	strcpy(danube_mii0_dev.name, "eth%d");
+	SET_MODULE_OWNER(dev);
+
+	result = register_netdev(&danube_mii0_dev);
+	if (result)
+	{
+		printk("error %i registering device \"%s\"\n", result, danube_mii0_dev.name);
+		goto out;
+	}
+
+	/* danube eval kit connects the phy/switch in REV mode */
+	danube_sw_chip_init(REV_MII_MODE);
+	printk("danube MAC driver loaded!\n");
+
+out:
+	return result;
+}
+
+static void __exit
+switch_cleanup(void)
+{
+	struct switch_priv *priv = (struct switch_priv*)danube_mii0_dev.priv;
+
+	printk("danube_mii0 cleanup\n");
+
+	dma_device_unregister(priv->dma_device);
+	dma_device_release(priv->dma_device);
+	kfree(priv->dma_device);
+	kfree(danube_mii0_dev.priv);
+	unregister_netdev(&danube_mii0_dev);
+
+	return;
+}
+
+module_init(switch_init_module);
+module_exit(switch_cleanup);
diff --git a/target/linux/ifxmips/files/drivers/serial/danube_asc.c b/target/linux/ifxmips/files/drivers/serial/danube_asc.c
new file mode 100644
index 0000000000..b50b1e7bee
--- /dev/null
+++ b/target/linux/ifxmips/files/drivers/serial/danube_asc.c
@@ -0,0 +1,608 @@
+/*
+ *  Driver for DANUBEASC serial ports
+ *
+ *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 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
+ *
+ * Copyright (C) 2004 Infineon IFAP DC COM CPE
+ * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/major.h>
+#include <linux/string.h>
+#include <linux/fcntl.h>
+#include <linux/ptrace.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/circ_buf.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/irq.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <asm/danube/danube.h>
+#include <asm/danube/danube_irq.h>
+#include <asm/danube/danube_serial.h>
+
+#define PORT_DANUBEASC  111
+
+#include <linux/serial_core.h>
+
+#define UART_DUMMY_UER_RX 1
+
+static void danubeasc_tx_chars(struct uart_port *port);
+extern void prom_printf(const char * fmt, ...);
+static struct uart_port danubeasc_port;
+static struct uart_driver danubeasc_reg;
+static unsigned int uartclk = 0;
+extern unsigned int danube_get_fpi_hz(void);
+
+static void
+danubeasc_stop_tx (struct uart_port *port)
+{
+	/* fifo underrun shuts up after firing once */
+	return;
+}
+
+static void
+danubeasc_start_tx (struct uart_port *port)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	danubeasc_tx_chars(port);
+	local_irq_restore(flags);
+
+	return;
+}
+
+static void
+danubeasc_stop_rx (struct uart_port *port)
+{
+	/* clear the RX enable bit */
+	writel(ASCWHBSTATE_CLRREN, DANUBE_ASC1_WHBSTATE);
+}
+
+static void
+danubeasc_enable_ms (struct uart_port *port)
+{
+	/* no modem signals */
+	return;
+}
+
+static void
+danubeasc_rx_chars (struct uart_port *port)
+{
+	struct tty_struct *tty = port->info->tty;
+	unsigned int ch = 0, rsr = 0, fifocnt;
+
+	fifocnt = readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_RXFFLMASK;
+	while (fifocnt--)
+	{
+		u8 flag = TTY_NORMAL;
+		ch = readl(DANUBE_ASC1_RBUF);
+		rsr = (readl(DANUBE_ASC1_STATE) & ASCSTATE_ANY) | UART_DUMMY_UER_RX;
+		tty_flip_buffer_push(tty);
+		port->icount.rx++;
+
+		/*
+		 * Note that the error handling code is
+		 * out of the main execution path
+		 */
+		if (rsr & ASCSTATE_ANY) {
+			if (rsr & ASCSTATE_PE) {
+				port->icount.parity++;
+				writel(readl(DANUBE_ASC1_WHBSTATE) | ASCWHBSTATE_CLRPE, DANUBE_ASC1_WHBSTATE);
+			} else if (rsr & ASCSTATE_FE) {
+				port->icount.frame++;
+				writel(readl(DANUBE_ASC1_WHBSTATE) | ASCWHBSTATE_CLRFE, DANUBE_ASC1_WHBSTATE);
+			}
+			if (rsr & ASCSTATE_ROE) {
+				port->icount.overrun++;
+				writel(readl(DANUBE_ASC1_WHBSTATE) | ASCWHBSTATE_CLRROE, DANUBE_ASC1_WHBSTATE);
+			}
+
+			rsr &= port->read_status_mask;
+
+			if (rsr & ASCSTATE_PE)
+				flag = TTY_PARITY;
+			else if (rsr & ASCSTATE_FE)
+				flag = TTY_FRAME;
+		}
+
+		if ((rsr & port->ignore_status_mask) == 0)
+			tty_insert_flip_char(tty, ch, flag);
+
+		if (rsr & ASCSTATE_ROE)
+			/*
+			 * Overrun is special, since it's reported
+			 * immediately, and doesn't affect the current
+			 * character
+			 */
+			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+	}
+	if (ch != 0)
+		tty_flip_buffer_push(tty);
+
+	return;
+}
+
+
+static void
+danubeasc_tx_chars (struct uart_port *port)
+{
+	struct circ_buf *xmit = &port->info->xmit;
+
+	if (uart_tx_stopped(port)) {
+		danubeasc_stop_tx(port);
+		return;
+	}
+
+	while(((readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK)
+			        >> ASCFSTAT_TXFFLOFF) != DANUBEASC_TXFIFO_FULL)
+	{
+		if (port->x_char) {
+			writel(port->x_char, DANUBE_ASC1_TBUF);
+			port->icount.tx++;
+			port->x_char = 0;
+			continue;
+		}
+
+		if (uart_circ_empty(xmit))
+			break;
+
+		writel(port->info->xmit.buf[port->info->xmit.tail], DANUBE_ASC1_TBUF);
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+	}
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+}
+
+static irqreturn_t
+danubeasc_tx_int (int irq, void *port)
+{
+	writel(ASC_IRNCR_TIR, DANUBE_ASC1_IRNCR);
+	danubeasc_start_tx(port);
+	mask_and_ack_danube_irq(irq);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t
+danubeasc_er_int (int irq, void *port)
+{
+	/* clear any pending interrupts */
+	writel(readl(DANUBE_ASC1_WHBSTATE) | ASCWHBSTATE_CLRPE |
+			ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, DANUBE_ASC1_WHBSTATE);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t
+danubeasc_rx_int (int irq, void *port)
+{
+	writel(ASC_IRNCR_RIR, DANUBE_ASC1_IRNCR);
+	danubeasc_rx_chars((struct uart_port *) port);
+	mask_and_ack_danube_irq(irq);
+
+	return IRQ_HANDLED;
+}
+
+static unsigned int
+danubeasc_tx_empty (struct uart_port *port)
+{
+	int status;
+
+	status = readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK;
+
+	return status ? 0 : TIOCSER_TEMT;
+}
+
+static unsigned int
+danubeasc_get_mctrl (struct uart_port *port)
+{
+	return TIOCM_CTS | TIOCM_CAR | TIOCM_DSR;
+}
+
+static void
+danubeasc_set_mctrl (struct uart_port *port, u_int mctrl)
+{
+	return;
+}
+
+static void
+danubeasc_break_ctl (struct uart_port *port, int break_state)
+{
+	return;
+}
+
+static void
+danubeasc1_hw_init (void)
+{
+	/* this setup was probably already done in ROM/u-boot  but we do it again*/
+	/* TODO: GPIO pins are multifunction */
+	writel(readl(DANUBE_ASC1_CLC) & ~DANUBE_ASC1_CLC_DISS, DANUBE_ASC1_CLC);
+	writel((readl(DANUBE_ASC1_CLC) & ~ASCCLC_RMCMASK) | (1 << ASCCLC_RMCOFFSET), DANUBE_ASC1_CLC);
+	writel(0, DANUBE_ASC1_PISEL);
+	writel(((DANUBEASC_TXFIFO_FL << ASCTXFCON_TXFITLOFF) &
+		ASCTXFCON_TXFITLMASK) | ASCTXFCON_TXFEN | ASCTXFCON_TXFFLU, DANUBE_ASC1_TXFCON);
+	writel(((DANUBEASC_RXFIFO_FL << ASCRXFCON_RXFITLOFF) &
+		ASCRXFCON_RXFITLMASK) | ASCRXFCON_RXFEN | ASCRXFCON_RXFFLU, DANUBE_ASC1_RXFCON);
+	wmb ();
+
+	/*framing, overrun, enable */
+	writel(readl(DANUBE_ASC1_CON) | ASCCON_M_8ASYNC | ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN,
+		DANUBE_ASC1_CON);
+}
+
+static int
+danubeasc_startup (struct uart_port *port)
+{
+	unsigned long flags;
+	int retval;
+
+	/* this assumes: CON.BRS = CON.FDE = 0 */
+	if (uartclk == 0)
+		uartclk = danube_get_fpi_hz();
+
+	danubeasc_port.uartclk = uartclk;
+
+	danubeasc1_hw_init();
+
+	local_irq_save(flags);
+
+	retval = request_irq(DANUBEASC1_RIR, danubeasc_rx_int, IRQF_DISABLED, "asc_rx", port);
+	if (retval){
+		printk("failed to request danubeasc_rx_int\n");
+		return retval;
+	}
+
+	retval = request_irq(DANUBEASC1_TIR, danubeasc_tx_int, IRQF_DISABLED, "asc_tx", port);
+	if (retval){
+		printk("failed to request danubeasc_tx_int\n");
+		goto err1;
+	}
+
+	retval = request_irq(DANUBEASC1_EIR, danubeasc_er_int, IRQF_DISABLED, "asc_er", port);
+	if (retval){
+		printk("failed to request danubeasc_er_int\n");
+		goto err2;
+	}
+
+	writel(ASC_IRNREN_RX_BUF | ASC_IRNREN_TX_BUF | ASC_IRNREN_ERR | ASC_IRNREN_TX,
+		DANUBE_ASC1_IRNREN);
+
+	local_irq_restore(flags);
+
+	return 0;
+
+err2:
+	free_irq(DANUBEASC1_TIR, port);
+
+err1:
+	free_irq(DANUBEASC1_RIR, port);
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+static void
+danubeasc_shutdown (struct uart_port *port)
+{
+	free_irq(DANUBEASC1_RIR, port);
+	free_irq(DANUBEASC1_TIR, port);
+	free_irq(DANUBEASC1_EIR, port);
+	/*
+	 * disable the baudrate generator to disable the ASC
+	 */
+	writel(0, DANUBE_ASC1_CON);
+
+	/* flush and then disable the fifos */
+	writel(readl(DANUBE_ASC1_RXFCON) | ASCRXFCON_RXFFLU, DANUBE_ASC1_RXFCON);
+	writel(readl(DANUBE_ASC1_RXFCON) & ~ASCRXFCON_RXFEN, DANUBE_ASC1_RXFCON);
+	writel(readl(DANUBE_ASC1_TXFCON) | ASCTXFCON_TXFFLU, DANUBE_ASC1_TXFCON);
+	writel(readl(DANUBE_ASC1_TXFCON) & ~ASCTXFCON_TXFEN, DANUBE_ASC1_TXFCON);
+}
+
+static void danubeasc_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old)
+{
+	unsigned int cflag;
+	unsigned int iflag;
+	unsigned int quot;
+	unsigned int baud;
+	unsigned int con = 0;
+	unsigned long flags;
+
+	cflag = new->c_cflag;
+	iflag = new->c_iflag;
+
+	/* byte size and parity */
+	switch (cflag & CSIZE) {
+	case CS7:
+		con = ASCCON_M_7ASYNC;
+		break;
+
+	case CS5:
+	case CS6:
+	default:
+		con = ASCCON_M_8ASYNC;
+		break;
+	}
+
+	if (cflag & CSTOPB)
+		con |= ASCCON_STP;
+
+	if (cflag & PARENB) {
+		if (!(cflag & PARODD))
+			con &= ~ASCCON_ODD;
+		else
+			con |= ASCCON_ODD;
+	}
+
+	port->read_status_mask = ASCSTATE_ROE;
+	if (iflag & INPCK)
+		port->read_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
+
+	port->ignore_status_mask = 0;
+	if (iflag & IGNPAR)
+		port->ignore_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
+
+	if (iflag & IGNBRK) {
+		/*
+		 * If we're ignoring parity and break indicators,
+		 * ignore overruns too (for real raw support).
+		 */
+		if (iflag & IGNPAR)
+			port->ignore_status_mask |= ASCSTATE_ROE;
+	}
+
+	if ((cflag & CREAD) == 0)
+		port->ignore_status_mask |= UART_DUMMY_UER_RX;
+
+	/* set error signals  - framing, parity  and overrun, enable receiver */
+	con |= ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN;
+
+	local_irq_save(flags);
+
+	/* set up CON */
+	writel(readl(DANUBE_ASC1_CON) | con, DANUBE_ASC1_CON);
+
+	/* Set baud rate - take a divider of 2 into account */
+    baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
+	quot = uart_get_divisor(port, baud);
+	quot = quot / 2 - 1;
+
+	/* disable the baudrate generator */
+	writel(readl(DANUBE_ASC1_CON) & ~ASCCON_R, DANUBE_ASC1_CON);
+
+	/* make sure the fractional divider is off */
+	writel(readl(DANUBE_ASC1_CON) & ~ASCCON_FDE, DANUBE_ASC1_CON);
+
+	/* set up to use divisor of 2 */
+	writel(readl(DANUBE_ASC1_CON) & ~ASCCON_BRS, DANUBE_ASC1_CON);
+
+	/* now we can write the new baudrate into the register */
+	writel(quot, DANUBE_ASC1_BG);
+
+	/* turn the baudrate generator back on */
+	writel(readl(DANUBE_ASC1_CON) | ASCCON_R, DANUBE_ASC1_CON);
+
+	/* enable rx */
+	writel(ASCWHBSTATE_SETREN, DANUBE_ASC1_WHBSTATE);
+
+	local_irq_restore(flags);
+}
+
+static const char*
+danubeasc_type (struct uart_port *port)
+{
+	return port->type == PORT_DANUBEASC ? "DANUBEASC" : NULL;
+}
+
+static void
+danubeasc_release_port (struct uart_port *port)
+{
+	return;
+}
+
+static int
+danubeasc_request_port (struct uart_port *port)
+{
+	return 0;
+}
+
+static void
+danubeasc_config_port (struct uart_port *port, int flags)
+{
+	if (flags & UART_CONFIG_TYPE) {
+		port->type = PORT_DANUBEASC;
+		danubeasc_request_port(port);
+	}
+}
+
+static int
+danubeasc_verify_port (struct uart_port *port, struct serial_struct *ser)
+{
+	int ret = 0;
+	if (ser->type != PORT_UNKNOWN && ser->type != PORT_DANUBEASC)
+		ret = -EINVAL;
+	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+		ret = -EINVAL;
+	if (ser->baud_base < 9600)
+		ret = -EINVAL;
+	return ret;
+}
+
+static struct uart_ops danubeasc_pops = {
+	.tx_empty =		danubeasc_tx_empty,
+	.set_mctrl =	danubeasc_set_mctrl,
+	.get_mctrl =	danubeasc_get_mctrl,
+	.stop_tx =		danubeasc_stop_tx,
+	.start_tx =		danubeasc_start_tx,
+	.stop_rx =		danubeasc_stop_rx,
+	.enable_ms =	danubeasc_enable_ms,
+	.break_ctl =	danubeasc_break_ctl,
+	.startup =		danubeasc_startup,
+	.shutdown =		danubeasc_shutdown,
+	.set_termios =	danubeasc_set_termios,
+	.type =			danubeasc_type,
+	.release_port =	danubeasc_release_port,
+	.request_port =	danubeasc_request_port,
+	.config_port =	danubeasc_config_port,
+	.verify_port =	danubeasc_verify_port,
+};
+
+static struct uart_port danubeasc_port = {
+		membase:	(void *)DANUBE_ASC1_BASE_ADDR,
+		mapbase:	DANUBE_ASC1_BASE_ADDR,
+		iotype:		SERIAL_IO_MEM,
+		irq:		DANUBEASC1_RIR,
+		uartclk:	0,
+		fifosize:	16,
+		unused:		{DANUBEASC1_TIR, DANUBEASC1_EIR},
+		type:		PORT_DANUBEASC,
+		ops:		&danubeasc_pops,
+		flags:		ASYNC_BOOT_AUTOCONF,
+};
+
+static void
+danubeasc_console_write (struct console *co, const char *s, u_int count)
+{
+	int i, fifocnt;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	for (i = 0; i < count; i++)
+	{
+		/* wait until the FIFO is not full */
+		do
+		{
+			fifocnt = (readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK)
+			                >> ASCFSTAT_TXFFLOFF;
+		} while (fifocnt == DANUBEASC_TXFIFO_FULL);
+
+		if (s[i] == '\0')
+		{
+			break;
+		}
+
+		if (s[i] == '\n')
+		{
+			writel('\r', DANUBE_ASC1_TBUF);
+			do
+			{
+				fifocnt = (readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK)
+					>> ASCFSTAT_TXFFLOFF;
+			} while (fifocnt == DANUBEASC_TXFIFO_FULL);
+		}
+		writel(s[i], DANUBE_ASC1_TBUF);
+	}
+
+	local_irq_restore(flags);
+}
+
+static int __init
+danubeasc_console_setup (struct console *co, char *options)
+{
+	struct uart_port *port;
+	int baud = 115200;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	if (uartclk == 0)
+		uartclk = danube_get_fpi_hz();
+	co->index = 0;
+	port = &danubeasc_port;
+	danubeasc_port.uartclk = uartclk;
+	danubeasc_port.type = PORT_DANUBEASC;
+
+	if (options){
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+	}
+
+	return uart_set_options(port, co, baud, parity, bits, flow);
+}
+
+static struct uart_driver danubeasc_reg;
+static struct console danubeasc_console = {
+	name:		"ttyS",
+	write:		danubeasc_console_write,
+	device:		uart_console_device,
+	setup:		danubeasc_console_setup,
+	flags:		CON_PRINTBUFFER,
+	index:		-1,
+	data:		&danubeasc_reg,
+};
+
+static int __init
+danubeasc_console_init (void)
+{
+	register_console(&danubeasc_console);
+	return 0;
+}
+console_initcall(danubeasc_console_init);
+
+static struct uart_driver danubeasc_reg = {
+	.owner =			THIS_MODULE,
+	.driver_name =		"serial",
+	.dev_name =			"ttyS",
+	.major =			TTY_MAJOR,
+	.minor =			64,
+	.nr =				1,
+	.cons =				&danubeasc_console,
+};
+
+static int __init
+danubeasc_init (void)
+{
+	unsigned char res;
+
+	uart_register_driver(&danubeasc_reg);
+	res = uart_add_one_port(&danubeasc_reg, &danubeasc_port);
+
+	return res;
+}
+
+static void __exit
+danubeasc_exit (void)
+{
+	uart_unregister_driver(&danubeasc_reg);
+}
+
+module_init(danubeasc_init);
+module_exit(danubeasc_exit);
+
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("MIPS Danube serial port driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube.h
new file mode 100644
index 0000000000..5bad876e1f
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube.h
@@ -0,0 +1,358 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_H__
+#define _DANUBE_H__
+
+
+/*------------ GENERAL */
+
+#define BOARD_SYSTEM_TYPE		"DANUBE"
+
+#define IOPORT_RESOURCE_START	0x10000000
+#define IOPORT_RESOURCE_END		0xffffffff
+#define IOMEM_RESOURCE_START	0x10000000
+#define IOMEM_RESOURCE_END		0xffffffff
+
+
+/*------------ ASC1 */
+
+#define DANUBE_ASC1_BASE_ADDR	(KSEG1 + 0x1E100C00)
+
+/* FIFO status register */
+#define DANUBE_ASC1_FSTAT		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0048))
+#define ASCFSTAT_TXFFLMASK		0x3F00
+#define ASCFSTAT_TXFFLOFF		8
+
+/* ASC1 transmit buffer */
+#define DANUBE_ASC1_TBUF		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0020))
+
+/* channel operating modes */
+#define ASCOPT_CSIZE			0x3
+#define ASCOPT_CS7				0x1
+#define ASCOPT_CS8				0x2
+#define ASCOPT_PARENB			0x4
+#define ASCOPT_STOPB			0x8
+#define ASCOPT_PARODD			0x0
+#define ASCOPT_CREAD			0x20
+
+/* hardware modified control register */
+#define DANUBE_ASC1_WHBSTATE	((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0018))
+
+/* receive buffer register */
+#define DANUBE_ASC1_RBUF		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0024))
+
+/* status register */
+#define DANUBE_ASC1_STATE		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0014))
+
+/* interrupt control */
+#define DANUBE_ASC1_IRNCR		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x00F8))
+
+#define ASC_IRNCR_TIR			0x4
+#define ASC_IRNCR_RIR			0x2
+#define ASC_IRNCR_EIR			0x4
+
+/* clock control */
+#define DANUBE_ASC1_CLC			((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0000))
+
+#define DANUBE_ASC1_CLC_DISS	0x2
+
+/* port input select register */
+#define DANUBE_ASC1_PISEL		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0004))
+
+/* tx fifo */
+#define DANUBE_ASC1_TXFCON		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0044))
+
+/* rx fifo */
+#define DANUBE_ASC1_RXFCON		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0040))
+
+/* control */
+#define DANUBE_ASC1_CON			((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0010))
+
+/* timer reload */
+#define DANUBE_ASC1_BG			((u32*)(DANUBE_ASC1_BASE_ADDR + 0x0050))
+
+/* int enable */
+#define DANUBE_ASC1_IRNREN		((u32*)(DANUBE_ASC1_BASE_ADDR + 0x00F4))
+
+#define ASC_IRNREN_RX_BUF		0x8
+#define ASC_IRNREN_TX_BUF		0x4
+#define ASC_IRNREN_ERR			0x2
+#define ASC_IRNREN_TX			0x1
+
+
+/*------------ RCU */
+
+#define DANUBE_RCU_BASE_ADDR	0xBF203000
+
+/* reset request */
+#define DANUBE_RCU_REQ			((u32*)(DANUBE_RCU_BASE_ADDR + 0x0010))
+#define DANUBE_RST_ALL			0x40000000
+
+
+/*------------ MCD */
+
+#define DANUBE_MCD_BASE_ADDR	(KSEG1 + 0x1F106000)
+
+/* chip id */
+#define DANUBE_MCD_CHIPID		((u32*)(DANUBE_MCD_BASE_ADDR + 0x0028))
+
+
+/*------------ GPTU */
+
+#define DANUBE_GPTU_BASE_ADDR	0xB8000300
+
+/* clock control register */
+#define DANUBE_GPTU_GPT_CLC		((u32*)(DANUBE_GPTU_BASE_ADDR + 0x0000))
+
+/* captur reload register */
+#define DANUBE_GPTU_GPT_CAPREL	((u32*)(DANUBE_GPTU_BASE_ADDR + 0x0030))
+
+/* timer 6 control register */
+#define DANUBE_GPTU_GPT_T6CON	((u32*)(DANUBE_GPTU_BASE_ADDR + 0x0020))
+
+
+/*------------ EBU */
+
+#define DANUBE_EBU_BASE_ADDR	0xBE105300
+
+/* bus configuration register */
+#define DANUBE_EBU_BUSCON0		((u32*)(DANUBE_EBU_BASE_ADDR + 0x0060))
+#define DANUBE_EBU_PCC_CON		((u32*)(DANUBE_EBU_BASE_ADDR + 0x0090))
+#define DANUBE_EBU_PCC_IEN		((u32*)(DANUBE_EBU_BASE_ADDR + 0x00A4))
+#define DANUBE_EBU_PCC_ISTAT	((u32*)(DANUBE_EBU_BASE_ADDR + 0x00A0))
+
+
+/*------------ CGU */
+
+#define DANUBE_CGU_BASE_ADDR	0xBF103000
+
+/* clock mux */
+#define DANUBE_CGU_SYS			((u32*)(DANUBE_CGU_BASE_ADDR + 0x0010))
+#define DANUBE_CGU_IFCCR		((u32*)(DANUBE_CGU_BASE_ADDR + 0x0018))
+#define DANUBE_CGU_PCICR		((u32*)(DANUBE_CGU_BASE_ADDR + 0x0034))
+
+#define CLOCK_60M				60000000
+#define CLOCK_83M				83333333
+#define CLOCK_111M				111111111
+#define CLOCK_133M				133333333
+#define CLOCK_167M				166666667
+#define CLOCK_333M				333333333
+
+
+/*------------ CGU */
+
+#define DANUBE_PMU_BASE_ADDR	(KSEG1 + 0x1F102000)
+
+#define DANUBE_PMU_PWDCR		((u32*)(DANUBE_PMU_BASE_ADDR + 0x001C))
+#define DANUBE_PMU_PWDSR		((u32*)(DANUBE_PMU_BASE_ADDR + 0x0020))
+
+
+/*------------ ICU */
+
+#define DANUBE_ICU_BASE_ADDR	0xBF880200
+
+
+#define DANUBE_ICU_IM0_ISR		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0000))
+#define DANUBE_ICU_IM0_IER		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0008))
+#define DANUBE_ICU_IM0_IOSR		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0010))
+#define DANUBE_ICU_IM0_IRSR		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0018))
+#define DANUBE_ICU_IM0_IMR		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0020))
+
+#define DANUBE_ICU_IM1_ISR		((u32*)(DANUBE_ICU_BASE_ADDR + 0x0028))
+
+#define DANUBE_ICU_OFFSET		(DANUBE_ICU_IM1_ISR - DANUBE_ICU_IM0_ISR)
+
+
+/*------------ ETOP */
+
+#define DANUBE_PPE32_BASE_ADDR	0xBE180000
+
+#define ETHERNET_PACKET_DMA_BUFFER_SIZE		0x600
+
+#define DANUBE_PPE32_MEM_MAP	(DANUBE_PPE32_BASE_ADDR + 0x10000 )
+
+#define MII_MODE 1
+
+#define REV_MII_MODE 2
+
+/* mdio access */
+#define DANUBE_PPE32_MDIO_ACC	((u32*)(DANUBE_PPE32_MEM_MAP + 0x1804))
+
+#define MDIO_ACC_REQUEST		0x80000000
+#define MDIO_ACC_READ			0x40000000
+#define MDIO_ACC_ADDR_MASK		0x1f
+#define MDIO_ACC_ADDR_OFFSET	0x15
+#define MDIO_ACC_REG_MASK		0xff
+#define MDIO_ACC_REG_OFFSET		0x10
+#define MDIO_ACC_VAL_MASK		0xffff
+
+/* configuration */
+#define DANUBE_PPE32_CFG		((u32*)(DANUBE_PPE32_MEM_MAP + 0x1808))
+
+#define PPE32_MII_MASK			0xfffffffc
+#define PPE32_MII_NORMAL		0x8
+#define PPE32_MII_REVERSE		0xe
+
+/* packet length */
+#define DANUBE_PPE32_IG_PLEN_CTRL	((u32*)(DANUBE_PPE32_MEM_MAP + 0x1820))
+
+#define PPE32_PLEN_OVER			0x5ee
+#define PPE32_PLEN_UNDER		0x400000
+
+/* enet */
+#define DANUBE_PPE32_ENET_MAC_CFG	((u32*)(DANUBE_PPE32_MEM_MAP + 0x1840))
+
+#define PPE32_CGEN				0x800
+
+
+/*------------ DMA */
+#define DANUBE_DMA_BASE_ADDR	0xBE104100
+
+#define DANUBE_DMA_CS			((u32*)(DANUBE_DMA_BASE_ADDR + 0x18))
+#define DANUBE_DMA_CIE			((u32*)(DANUBE_DMA_BASE_ADDR + 0x2C))
+#define DANUBE_DMA_IRNEN		((u32*)(DANUBE_DMA_BASE_ADDR + 0xf4))
+#define DANUBE_DMA_CCTRL		((u32*)(DANUBE_DMA_BASE_ADDR + 0x1C))
+#define DANUBE_DMA_CIS			((u32*)(DANUBE_DMA_BASE_ADDR + 0x28))
+#define DANUBE_DMA_CDLEN		((u32*)(DANUBE_DMA_BASE_ADDR + 0x24))
+#define DANUBE_DMA_PS			((u32*)(DANUBE_DMA_BASE_ADDR + 0x40))
+#define DANUBE_DMA_PCTRL		((u32*)(DANUBE_DMA_BASE_ADDR + 0x44))
+#define DANUBE_DMA_CTRL			((u32*)(DANUBE_DMA_BASE_ADDR + 0x10))
+#define DANUBE_DMA_CPOLL		((u32*)(DANUBE_DMA_BASE_ADDR + 0x14))
+#define DANUBE_DMA_CDBA			((u32*)(DANUBE_DMA_BASE_ADDR + 0x20))
+
+
+/*------------ PCI */
+#define PCI_CR_PR_BASE_ADDR		(KSEG1 + 0x1E105400)
+
+#define PCI_CR_FCI_ADDR_MAP0	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00C0))
+#define PCI_CR_FCI_ADDR_MAP1	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00C4))
+#define PCI_CR_FCI_ADDR_MAP2	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00C8))
+#define PCI_CR_FCI_ADDR_MAP3	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00CC))
+#define PCI_CR_FCI_ADDR_MAP4	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00D0))
+#define PCI_CR_FCI_ADDR_MAP5	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00D4))
+#define PCI_CR_FCI_ADDR_MAP6	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00D8))
+#define PCI_CR_FCI_ADDR_MAP7	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00DC))
+#define PCI_CR_CLK_CTRL			((u32*)(PCI_CR_PR_BASE_ADDR + 0x0000))
+#define PCI_CR_PCI_MOD			((u32*)(PCI_CR_PR_BASE_ADDR + 0x0030))
+#define PCI_CR_PC_ARB			((u32*)(PCI_CR_PR_BASE_ADDR + 0x0080))
+#define PCI_CR_FCI_ADDR_MAP11hg	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00E4))
+#define PCI_CR_BAR11MASK		((u32*)(PCI_CR_PR_BASE_ADDR + 0x0044))
+#define PCI_CR_BAR12MASK		((u32*)(PCI_CR_PR_BASE_ADDR + 0x0048))
+#define PCI_CR_BAR13MASK		((u32*)(PCI_CR_PR_BASE_ADDR + 0x004C))
+#define PCI_CS_BASE_ADDR1		((u32*)(PCI_CS_PR_BASE_ADDR + 0x0010))
+#define PCI_CR_PCI_ADDR_MAP11	((u32*)(PCI_CR_PR_BASE_ADDR + 0x0064))
+#define PCI_CR_FCI_BURST_LENGTH	((u32*)(PCI_CR_PR_BASE_ADDR + 0x00E8))
+#define PCI_CR_PCI_EOI			((u32*)(PCI_CR_PR_BASE_ADDR + 0x002C))
+
+#define PCI_CS_PR_BASE_ADDR		(KSEG1 + 0x17000000)
+
+#define PCI_CS_STS_CMD			((u32*)(PCI_CS_PR_BASE_ADDR + 0x0004))
+
+#define PCI_MASTER0_REQ_MASK_2BITS	8
+#define PCI_MASTER1_REQ_MASK_2BITS	10
+#define PCI_MASTER2_REQ_MASK_2BITS	12
+#define INTERNAL_ARB_ENABLE_BIT		0
+
+
+/*------------ WDT */
+
+#define DANUBE_WDT_BASE_ADDR	(KSEG1 + 0x1F880000)
+
+#define DANUBE_BIU_WDT_CR		((u32*)(DANUBE_WDT_BASE_ADDR + 0x03F0))
+#define DANUBE_BIU_WDT_SR		((u32*)(DANUBE_WDT_BASE_ADDR + 0x03F8))
+
+#define DANUBE_BIU_WDT_CR_GEN				(1 << 31)
+#define DANUBE_BIU_WDT_CR_DSEN				(1 << 30)
+#define DANUBE_BIU_WDT_CR_LPEN				(1 << 29)
+
+#define DANUBE_BIU_WDT_CR_CLKDIV_GET(value) (((value) >> 24) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_PWL_GET(value)	(((value) >> 26) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_PWL_SET(value)	((((1 << 2) - 1) & (value)) << 26)
+#define DANUBE_BIU_WDT_CR_PW_SET(value)		(((( 1 << 8) - 1) & (value)) << 16)
+#define DANUBE_BIU_WDT_CR_CLKDIV_SET(value)	(((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_BIU_WDT_CR_RELOAD_SET(value)	(((( 1 << 16) - 1) & (value)) << 0)
+
+
+/*------------ LED */
+
+#define DANUBE_LED_BASE_ADDR	(KSEG1 + 0x1E100BB0)
+#define DANUBE_LED_CON0			((u32*)(DANUBE_LED_BASE_ADDR + 0x0000))
+#define DANUBE_LED_CON1			((u32*)(DANUBE_LED_BASE_ADDR + 0x0004))
+#define DANUBE_LED_CPU0			((u32*)(DANUBE_LED_BASE_ADDR + 0x0008))
+#define DANUBE_LED_CPU1			((u32*)(DANUBE_LED_BASE_ADDR + 0x000C))
+#define DANUBE_LED_AR			((u32*)(DANUBE_LED_BASE_ADDR + 0x0010))
+
+#define LED_CON0_SWU			(1 << 31)
+#define LED_CON0_AD1			(1 << 25)
+#define LED_CON0_AD0			(1 << 24)
+
+#define DANUBE_LED_2HZ          (0)
+#define DANUBE_LED_4HZ          (1 << 23)
+#define DANUBE_LED_8HZ          (2 << 23)
+#define DANUBE_LED_10HZ         (3 << 23)
+#define DANUBE_LED_MASK         (0xf << 23)
+
+#define DANUBE_LED_UPD_SRC_FPI  (1 << 31)
+#define DANUBE_LED_UPD_MASK     (3 << 30)
+#define DANUBE_LED_ADSL_SRC		(3 << 24)
+
+#define DANUBE_LED_GROUP0		(1 << 0)
+#define DANUBE_LED_GROUP1		(1 << 1)
+#define DANUBE_LED_GROUP2		(1 << 2)
+
+#define DANUBE_LED_RISING		0
+#define DANUBE_LED_FALLING		(1 << 26)
+#define DANUBE_LED_EDGE_MASK	(1 << 26)
+
+
+/*------------ GPIO */
+
+#define DANUBE_GPIO_BASE_ADDR	(0xBE100B00)
+
+#define DANUBE_GPIO_P0_OUT		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0010))
+#define DANUBE_GPIO_P1_OUT		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0040))
+#define DANUBE_GPIO_P0_IN		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0014))
+#define DANUBE_GPIO_P1_IN		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0044))
+#define DANUBE_GPIO_P0_DIR		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0018))
+#define DANUBE_GPIO_P1_DIR		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0048))
+#define DANUBE_GPIO_P0_ALTSEL0	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x001C))
+#define DANUBE_GPIO_P1_ALTSEL0	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x004C))
+#define DANUBE_GPIO_P0_ALTSEL1	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0020))
+#define DANUBE_GPIO_P1_ALTSEL1	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0050))
+#define DANUBE_GPIO_P0_OD		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0024))
+#define DANUBE_GPIO_P1_OD		((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0054))
+#define DANUBE_GPIO_P0_STOFF	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0028))
+#define DANUBE_GPIO_P1_STOFF	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0058))
+#define DANUBE_GPIO_P0_PUDSEL	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x002C))
+#define DANUBE_GPIO_P1_PUDSEL	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x005C))
+#define DANUBE_GPIO_P0_PUDEN	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0030))
+#define DANUBE_GPIO_P1_PUDEN	((u32*)(DANUBE_GPIO_BASE_ADDR + 0x0060))
+
+
+/*------------ SSC */
+
+#define DANUBE_SSC1_BASE_ADDR	(KSEG1 + 0x1e100800)
+
+
+
+
+
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h
new file mode 100644
index 0000000000..219fd490ed
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h
@@ -0,0 +1,202 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_DMA_H__
+#define _DANUBE_DMA_H__
+
+#define RCV_INT							1
+#define TX_BUF_FULL_INT					2
+#define TRANSMIT_CPT_INT				4
+#define DANUBE_DMA_CH_ON				1
+#define DANUBE_DMA_CH_OFF				0
+#define DANUBE_DMA_CH_DEFAULT_WEIGHT	100
+
+enum attr_t{
+	TX = 0,
+	RX = 1,
+	RESERVED = 2,
+	DEFAULT = 3,
+};
+
+#define DMA_OWN							1
+#define CPU_OWN							0
+#define DMA_MAJOR						250
+
+#define DMA_DESC_OWN_CPU				0x0
+#define DMA_DESC_OWN_DMA				0x80000000
+#define DMA_DESC_CPT_SET				0x40000000
+#define DMA_DESC_SOP_SET				0x20000000
+#define DMA_DESC_EOP_SET				0x10000000
+
+#define MISCFG_MASK						0x40
+#define RDERR_MASK						0x20
+#define CHOFF_MASK						0x10
+#define DESCPT_MASK						0x8
+#define DUR_MASK						0x4
+#define EOP_MASK						0x2
+
+#define DMA_DROP_MASK					(1<<31)
+
+#define DANUBE_DMA_RX					-1
+#define DANUBE_DMA_TX					1
+
+typedef struct dma_chan_map {
+	char dev_name[15];
+	enum attr_t dir;
+	int pri;
+	int irq;
+	int rel_chan_no;
+} _dma_chan_map;
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+typedef struct rx_desc{
+	u32 data_length:16;
+	volatile u32 reserved:7;
+	volatile u32 byte_offset:2;
+	volatile u32 Burst_length_offset:3;
+	volatile u32 EoP:1;
+	volatile u32 Res:1;
+	volatile u32 C:1;
+	volatile u32 OWN:1;
+	volatile u32 Data_Pointer;
+	/*fix me:should be 28 bits here, 32 bits just for host simulatiuon purpose*/
+}_rx_desc;
+
+typedef struct tx_desc{
+	volatile u32 data_length:16;
+	volatile u32 reserved1:7;
+	volatile u32 byte_offset:5;
+	volatile u32 EoP:1;
+	volatile u32 SoP:1;
+	volatile u32 C:1;
+	volatile u32 OWN:1;
+	volatile u32 Data_Pointer;//fix me:should be 28 bits here
+}_tx_desc;
+#else //BIG
+typedef struct rx_desc{
+	union
+	{
+		struct
+		{
+			volatile u32 OWN:1;
+			volatile u32 C:1;
+			volatile u32 SoP:1;
+			volatile u32 EoP:1;
+			volatile u32 Burst_length_offset:3;
+			volatile u32 byte_offset:2;
+			volatile u32 reserve:7;
+			volatile u32 data_length:16;
+		}field;
+		volatile u32 word;
+	}status;
+	volatile u32 Data_Pointer;
+}_rx_desc;
+
+typedef struct tx_desc{
+	union
+	{
+		struct
+		{
+			volatile u32 OWN:1;
+			volatile u32 C:1;
+			volatile u32 SoP:1;
+			volatile u32 EoP:1;
+			volatile u32 byte_offset:5;
+			volatile u32 reserved:7;
+			volatile u32 data_length:16;
+		}field;
+		volatile u32 word;
+	}status;
+	volatile u32 Data_Pointer;
+}_tx_desc;
+#endif //ENDIAN
+
+typedef struct dma_channel_info{
+   /*relative channel number*/
+   int rel_chan_no;
+   /*class for this channel for QoS*/
+   int pri;
+   /*specify byte_offset*/
+   int byte_offset;
+   /*direction*/
+   int dir;
+   /*irq number*/
+   int irq;
+   /*descriptor parameter*/
+   int desc_base;
+   int desc_len;
+   int curr_desc;
+   int prev_desc;/*only used if it is a tx channel*/
+   /*weight setting for WFQ algorithm*/
+   int weight;
+   int default_weight;
+   int packet_size;
+   int burst_len;
+   /*on or off of this channel*/
+   int control;
+   /**optional information for the upper layer devices*/
+#if defined(CONFIG_DANUBE_ETHERNET_D2) || defined(CONFIG_DANUBE_PPA)
+   void* opt[64];
+#else
+   void* opt[25];
+#endif
+   /*Pointer to the peripheral device who is using this channel*/
+   void* dma_dev;
+   /*channel operations*/
+   void (*open)(struct dma_channel_info* pCh);
+   void (*close)(struct dma_channel_info* pCh);
+   void (*reset)(struct dma_channel_info* pCh);
+   void (*enable_irq)(struct dma_channel_info* pCh);
+   void (*disable_irq)(struct dma_channel_info* pCh);
+}_dma_channel_info;
+
+typedef struct dma_device_info{
+    /*device name of this peripheral*/
+    char device_name[15];
+    int reserved;
+    int tx_burst_len;
+    int rx_burst_len;
+    int default_weight;
+    int  current_tx_chan;
+	int  current_rx_chan;
+    int  num_tx_chan;
+    int  num_rx_chan;
+    int  max_rx_chan_num;
+    int  max_tx_chan_num;
+    _dma_channel_info* tx_chan[20];
+    _dma_channel_info* rx_chan[20];
+    /*functions, optional*/
+    u8* (*buffer_alloc)(int len,int* offset, void** opt);
+    void (*buffer_free)(u8* dataptr, void* opt);
+    int (*intr_handler)(struct dma_device_info* info, int status);
+    void * priv;		/* used by peripheral driver only */
+}_dma_device_info;
+
+_dma_device_info* dma_device_reserve(char* dev_name);
+
+void dma_device_release(_dma_device_info* dev);
+
+void dma_device_register(_dma_device_info* info);
+
+void dma_device_unregister(_dma_device_info* info);
+
+int dma_device_read(struct dma_device_info* info, u8** dataptr, void** opt);
+
+int dma_device_write(struct dma_device_info* info, u8* dataptr, int len, void* opt);
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_gpio.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_gpio.h
new file mode 100644
index 0000000000..2ea8d9cf7d
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_gpio.h
@@ -0,0 +1,42 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_GPIO_H__
+#define _DANUBE_GPIO_H__
+
+extern int danube_port_reserve_pin (unsigned int port, unsigned int pin);
+extern int danube_port_free_pin (unsigned int port, unsigned int pin);
+extern int danube_port_set_open_drain (unsigned int port, unsigned int pin);
+extern int danube_port_clear_open_drain (unsigned int port, unsigned int pin);
+extern int danube_port_set_pudsel (unsigned int port, unsigned int pin);
+extern int danube_port_clear_pudsel (unsigned int port, unsigned int pin);
+extern int danube_port_set_puden (unsigned int port, unsigned int pin);
+extern int danube_port_clear_puden (unsigned int port, unsigned int pin);
+extern int danube_port_set_stoff (unsigned int port, unsigned int pin);
+extern int danube_port_clear_stoff (unsigned int port, unsigned int pin);
+extern int danube_port_set_dir_out (unsigned int port, unsigned int pin);
+extern int danube_port_set_dir_in (unsigned int port, unsigned int pin);
+extern int danube_port_set_output (unsigned int port, unsigned int pin);
+extern int danube_port_clear_output (unsigned int port, unsigned int pin);
+extern int danube_port_get_input (unsigned int port, unsigned int pin);
+extern int danube_port_set_altsel0 (unsigned int port, unsigned int pin);
+extern int danube_port_clear_altsel0 (unsigned int port, unsigned int pin);
+extern int danube_port_set_altsel1 (unsigned int port, unsigned int pin);
+extern int danube_port_clear_altsel1 (unsigned int port, unsigned int pin);
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_ioctl.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_ioctl.h
new file mode 100644
index 0000000000..6d14f5d060
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_ioctl.h
@@ -0,0 +1,42 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_IOCTL_H__
+#define _DANUBE_IOCTL_H__
+
+/*------------ LED */
+
+struct danube_port_ioctl_parm
+{
+	int port;
+	int pin;
+	int value;
+};
+
+#define DANUBE_PORT_IOC_MAGIC		0xbf
+#define DANUBE_PORT_IOCOD			_IOW(DANUBE_PORT_IOC_MAGIC,0,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCPUDSEL		_IOW(DANUBE_PORT_IOC_MAGIC,1,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCPUDEN		_IOW(DANUBE_PORT_IOC_MAGIC,2,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCSTOFF		_IOW(DANUBE_PORT_IOC_MAGIC,3,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCDIR			_IOW(DANUBE_PORT_IOC_MAGIC,4,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCOUTPUT		_IOW(DANUBE_PORT_IOC_MAGIC,5,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCINPUT		_IOWR(DANUBE_PORT_IOC_MAGIC,6,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCALTSEL0		_IOW(DANUBE_PORT_IOC_MAGIC,7,struct danube_port_ioctl_parm)
+#define DANUBE_PORT_IOCALTSEL1		_IOW(DANUBE_PORT_IOC_MAGIC,8,struct danube_port_ioctl_parm)
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_irq.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_irq.h
new file mode 100644
index 0000000000..45796831fe
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_irq.h
@@ -0,0 +1,66 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_IRQ__
+#define _DANUBE_IRQ__
+
+#define INT_NUM_IRQ0			8
+#define INT_NUM_IM0_IRL0		(INT_NUM_IRQ0 + 0)
+#define INT_NUM_IM1_IRL0		(INT_NUM_IRQ0 + 32)
+#define INT_NUM_IM2_IRL0		(INT_NUM_IRQ0 + 64)
+#define INT_NUM_IM3_IRL0		(INT_NUM_IRQ0 + 96)
+#define INT_NUM_IM4_IRL0		(INT_NUM_IRQ0 + 128)
+#define INT_NUM_IM_OFFSET		(INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0)
+
+#define DANUBEASC1_TIR			(INT_NUM_IM3_IRL0 + 7)
+#define DANUBEASC1_RIR			(INT_NUM_IM3_IRL0 + 9)
+#define DANUBEASC1_EIR			(INT_NUM_IM3_IRL0 + 10)
+
+#define DANUBE_SSC_TIR			(INT_NUM_IM0_IRL0 + 15)
+#define DANUBE_SSC_RIR			(INT_NUM_IM0_IRL0 + 14)
+#define DANUBE_SSC_EIR			(INT_NUM_IM0_IRL0 + 16)
+
+#define DANUBE_TIMER6_INT		(INT_NUM_IM1_IRL0 + 23)
+
+#define MIPS_CPU_TIMER_IRQ		7
+
+#define DANUBE_DMA_CH0_INT		(INT_NUM_IM2_IRL0)
+#define DANUBE_DMA_CH1_INT		(INT_NUM_IM2_IRL0 + 1)
+#define DANUBE_DMA_CH2_INT		(INT_NUM_IM2_IRL0 + 2)
+#define DANUBE_DMA_CH3_INT		(INT_NUM_IM2_IRL0 + 3)
+#define DANUBE_DMA_CH4_INT		(INT_NUM_IM2_IRL0 + 4)
+#define DANUBE_DMA_CH5_INT		(INT_NUM_IM2_IRL0 + 5)
+#define DANUBE_DMA_CH6_INT		(INT_NUM_IM2_IRL0 + 6)
+#define DANUBE_DMA_CH7_INT		(INT_NUM_IM2_IRL0 + 7)
+#define DANUBE_DMA_CH8_INT		(INT_NUM_IM2_IRL0 + 8)
+#define DANUBE_DMA_CH9_INT		(INT_NUM_IM2_IRL0 + 9)
+#define DANUBE_DMA_CH10_INT		(INT_NUM_IM2_IRL0 + 10)
+#define DANUBE_DMA_CH11_INT		(INT_NUM_IM2_IRL0 + 11)
+#define DANUBE_DMA_CH12_INT		(INT_NUM_IM2_IRL0 + 25)
+#define DANUBE_DMA_CH13_INT		(INT_NUM_IM2_IRL0 + 26)
+#define DANUBE_DMA_CH14_INT		(INT_NUM_IM2_IRL0 + 27)
+#define DANUBE_DMA_CH15_INT		(INT_NUM_IM2_IRL0 + 28)
+#define DANUBE_DMA_CH16_INT		(INT_NUM_IM2_IRL0 + 29)
+#define DANUBE_DMA_CH17_INT		(INT_NUM_IM2_IRL0 + 30)
+#define DANUBE_DMA_CH18_INT		(INT_NUM_IM2_IRL0 + 16)
+#define DANUBE_DMA_CH19_INT		(INT_NUM_IM2_IRL0 + 21)
+
+extern void mask_and_ack_danube_irq (unsigned int irq_nr);
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_mii0.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_mii0.h
new file mode 100644
index 0000000000..6f96ef6b79
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_mii0.h
@@ -0,0 +1,254 @@
+#ifndef DANUBE_SW_H
+#define DANUBE_SW_H
+
+
+
+/******************************************************************************
+**
+** FILE NAME    : danube_sw.h
+** PROJECT      : Danube
+** MODULES     	: ETH Interface (MII0)
+**
+** DATE         : 11 AUG 2005
+** AUTHOR       : Wu Qi Ming
+** DESCRIPTION  : ETH Interface (MII0) Driver Header File
+** COPYRIGHT    : 	Copyright (c) 2006
+**			Infineon Technologies AG
+**			Am Campeon 1-12, 85579 Neubiberg, Germany
+**
+**    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.
+**
+** HISTORY
+** $Date        $Author         $Comment
+** 11 AUG 2005  Wu Qi Ming      Initiate Version
+** 23 OCT 2006  Xu Liang        Add GPL header.
+*******************************************************************************/
+
+
+#define SET_ETH_SPEED_AUTO   SIOCDEVPRIVATE
+#define SET_ETH_SPEED_10     SIOCDEVPRIVATE+1
+#define SET_ETH_SPEED_100    SIOCDEVPRIVATE+2
+#define SET_ETH_DUPLEX_AUTO  SIOCDEVPRIVATE+3
+#define SET_ETH_DUPLEX_HALF  SIOCDEVPRIVATE+4
+#define SET_ETH_DUPLEX_FULL  SIOCDEVPRIVATE+5
+#define SET_ETH_REG          SIOCDEVPRIVATE+6
+#define VLAN_TOOLS           SIOCDEVPRIVATE+7
+#define MAC_TABLE_TOOLS      SIOCDEVPRIVATE+8
+#define SET_VLAN_COS         SIOCDEVPRIVATE+9
+#define SET_DSCP_COS         SIOCDEVPRIVATE+10
+#define ENABLE_VLAN_CLASSIFICATION    SIOCDEVPRIVATE+11
+#define DISABLE_VLAN_CLASSIFICATION   SIOCDEVPRIVATE+12
+#define VLAN_CLASS_FIRST              SIOCDEVPRIVATE+13
+#define VLAN_CLASS_SECOND             SIOCDEVPRIVATE+14
+#define ENABLE_DSCP_CLASSIFICATION    SIOCDEVPRIVATE+15
+#define DISABLE_DSCP_CLASSIFICATION   SIOCDEVPRIVATE+16
+#define PASS_UNICAST_PACKETS          SIOCDEVPRIVATE+17
+#define FILTER_UNICAST_PACKETS        SIOCDEVPRIVATE+18
+#define KEEP_BROADCAST_PACKETS        SIOCDEVPRIVATE+19
+#define DROP_BROADCAST_PACKETS        SIOCDEVPRIVATE+20
+#define KEEP_MULTICAST_PACKETS        SIOCDEVPRIVATE+21
+#define DROP_MULTICAST_PACKETS        SIOCDEVPRIVATE+22
+
+
+/*===mac table commands==*/
+#define RESET_MAC_TABLE     0
+#define READ_MAC_ENTRY    1
+#define WRITE_MAC_ENTRY   2
+#define ADD_MAC_ENTRY     3
+
+/*====vlan commands===*/
+
+#define CHANGE_VLAN_CTRL     0
+#define READ_VLAN_ENTRY      1
+#define UPDATE_VLAN_ENTRY    2
+#define CLEAR_VLAN_ENTRY     3
+#define RESET_VLAN_TABLE     4
+#define ADD_VLAN_ENTRY       5
+
+/*
+** MDIO constants.
+*/
+
+#define MDIO_BASE_STATUS_REG                0x1
+#define MDIO_BASE_CONTROL_REG               0x0
+#define MDIO_PHY_ID_HIGH_REG                0x2
+#define MDIO_PHY_ID_LOW_REG                 0x3
+#define MDIO_BC_NEGOTIATE                0x0200
+#define MDIO_BC_FULL_DUPLEX_MASK         0x0100
+#define MDIO_BC_AUTO_NEG_MASK            0x1000
+#define MDIO_BC_SPEED_SELECT_MASK        0x2000
+#define MDIO_STATUS_100_FD               0x4000
+#define MDIO_STATUS_100_HD               0x2000
+#define MDIO_STATUS_10_FD                0x1000
+#define MDIO_STATUS_10_HD                0x0800
+#define MDIO_STATUS_SPEED_DUPLEX_MASK	 0x7800
+#define MDIO_ADVERTISMENT_REG               0x4
+#define MDIO_ADVERT_100_FD                0x100
+#define MDIO_ADVERT_100_HD                0x080
+#define MDIO_ADVERT_10_FD                 0x040
+#define MDIO_ADVERT_10_HD                 0x020
+#define MDIO_LINK_UP_MASK                   0x4
+#define MDIO_START                          0x1
+#define MDIO_READ                           0x2
+#define MDIO_WRITE                          0x1
+#define MDIO_PREAMBLE              0xfffffffful
+
+#define PHY_RESET                        0x8000
+#define AUTO_NEGOTIATION_ENABLE          0X1000
+#define AUTO_NEGOTIATION_COMPLETE          0x20
+#define RESTART_AUTO_NEGOTIATION          0X200
+
+
+/*ETOP_MDIO_CFG MASKS*/
+#define SMRST_MASK 0X2000
+#define PHYA1_MASK 0X1F00
+#define PHYA0_MASK 0XF8
+#define UMM1_MASK  0X4
+#define UMM0_MASK  0X2
+
+/*ETOP_MDIO_ACCESS MASKS*/
+#define MDIO_RA_MASK    0X80000000
+#define MDIO_RW_MASK    0X40000000
+
+
+/*ENET_MAC_CFG MASKS*/
+#define BP_MASK     1<<12
+#define CGEN_MASK   1<<11
+#define IFG_MASK    0x3F<<5
+#define IPAUS_MASK  1<<4
+#define EPAUS_MASK  1<<3
+#define DUPLEX_MASK 1<<2
+#define SPEED_MASK  0x2
+#define LINK_MASK   1
+
+/*ENETS_CoS_CFG MASKS*/
+#define VLAN_MASK    2
+#define DSCP_MASK    1
+
+/*ENET_CFG MASKS*/
+#define VL2_MASK     1<<29
+#define FTUC_MASK    1<<25
+#define DPBC_MASK    1<<24
+#define DPMC_MASK    1<<23
+
+#define PHY0_ADDR    0
+#define PHY1_ADDR    1
+#define P1M          0
+
+#define DANUBE_SW_REG32(reg_num) *((volatile u32*)(reg_num))
+
+#define OK 0;
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+typedef struct mac_table_entry{
+   u64 mac_address:48;
+   u64 p0:1;
+   u64 p1:1;
+   u64 p2:1;
+   u64 cr:1;
+   u64 ma_st:3;
+   u64 res:9;
+}_mac_table_entry;
+
+typedef struct IFX_Switch_VLanTableEntry{
+    u32 vlan_id:12;
+    u32 mp0:1;
+    u32 mp1:1;
+    u32 mp2:1;
+    u32 v:1;
+    u32 res:16;
+}_IFX_Switch_VLanTableEntry;
+
+typedef struct mac_table_req{
+    int cmd;
+    int index;
+    u32 data;
+    u64 entry_value;
+}_mac_table_req;
+
+#else //not CONFIG_CPU_LITTLE_ENDIAN
+typedef struct mac_table_entry{
+   u64 mac_address:48;
+   u64 p0:1;
+   u64 p1:1;
+   u64 p2:1;
+   u64 cr:1;
+   u64 ma_st:3;
+   u64 res:9;
+}_mac_table_entry;
+
+typedef struct IFX_Switch_VLanTableEntry{
+    u32 vlan_id:12;
+    u32 mp0:1;
+    u32 mp1:1;
+    u32 mp2:1;
+    u32 v:1;
+    u32 res:16;
+}_IFX_Switch_VLanTableEntry;
+
+
+typedef struct mac_table_req{
+    int cmd;
+    int index;
+    u32 data;
+    u64 entry_value;
+}_mac_table_req;
+
+#endif //CONFIG_CPU_LITTLE_ENDIAN
+
+typedef struct vlan_cos_req{
+    int pri;
+    int cos_value;
+}_vlan_cos_req;
+
+typedef struct dscp_cos_req{
+    int dscp;
+    int cos_value;
+}_dscp_cos_req;
+
+
+typedef struct vlan_req{
+    int cmd;
+    int index;
+    u32 data;
+    u32 entry_value;
+}_vlan_req;
+
+typedef struct data_req{
+    int index;
+    u32 value;
+}_data_req;
+
+enum duplex
+{
+   half,
+   full,
+   autoneg
+};
+
+struct switch_priv {
+    struct net_device_stats stats;
+    int rx_packetlen;
+    u8 *rx_packetdata;
+    int rx_status;
+    int tx_packetlen;
+#ifdef CONFIG_NET_HW_FLOWCONTROL
+    int fc_bit;
+#endif //CONFIG_NET_HW_FLOWCONTROL
+    u8 *tx_packetdata;
+    int tx_status;
+    struct dma_device_info *dma_device;
+    struct sk_buff *skb;
+    spinlock_t lock;
+    int mdio_phy_addr;
+    int current_speed;
+    int current_speed_selection;
+    int rx_queue_len;
+    int full_duplex;
+    enum duplex current_duplex;
+};
+
+#endif //DANUBE_SW_H
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_orig.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_orig.h
new file mode 100644
index 0000000000..4197933f85
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_orig.h
@@ -0,0 +1,2021 @@
+#ifndef DANUBE_H
+#define DANUBE_H
+/******************************************************************************
+       Copyright (c) 2002, Infineon Technologies.  All rights reserved.
+
+                               No Warranty
+   Because the program is licensed free of charge, there is no warranty for 
+   the program, to the extent permitted by applicable law.  Except when     
+   otherwise stated in writing the copyright holders and/or other parties   
+   provide the program "as is" without warranty of any kind, either         
+   expressed or implied, including, but not limited to, the implied         
+   warranties of merchantability and fitness for a particular purpose. The  
+   entire risk as to the quality and performance of the program is with     
+   you.  should the program prove defective, you assume the cost of all     
+   necessary servicing, repair or correction.                               
+                                                                            
+   In no event unless required by applicable law or agreed to in writing    
+   will any copyright holder, or any other party who may modify and/or      
+   redistribute the program as permitted above, be liable to you for        
+   damages, including any general, special, incidental or consequential     
+   damages arising out of the use or inability to use the program           
+   (including but not limited to loss of data or data being rendered        
+   inaccurate or losses sustained by you or third parties or a failure of   
+   the program to operate with any other programs), even if such holder or  
+   other party has been advised of the possibility of such damages. 
+******************************************************************************/
+
+/***********************************************************************/
+/*  Module      :  WDT register address and bits                       */
+/***********************************************************************/
+
+#define BOARD_SYSTEM_TYPE       "DANUBE"
+
+#define DANUBE_BIU_WDT                           (KSEG1+0x1F880000)
+
+/***Watchdog Timer Control Register ***/
+#define DANUBE_BIU_WDT_CR                   ((volatile u32*)(DANUBE_BIU_WDT + 0x03F0))
+#define DANUBE_BIU_WDT_CR_GEN               (1 << 31)
+#define DANUBE_BIU_WDT_CR_DSEN              (1 << 30)
+#define DANUBE_BIU_WDT_CR_LPEN              (1 << 29)
+#define DANUBE_BIU_WDT_CR_PWL_GET(value)    (((value) >> 26) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_PWL_SET(value)    (((( 1 << 2) - 1) & (value)) << 26)
+#define DANUBE_BIU_WDT_CR_CLKDIV_GET(value) (((value) >> 24) & ((1 << 2) - 1))
+#define DANUBE_BIU_WDT_CR_CLKDIV_SET(value) (((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_BIU_WDT_CR_PW_GET(value)     (((value) >> 16) & ((1 << 8) - 1))
+#define DANUBE_BIU_WDT_CR_PW_SET(value)     (((( 1 << 8) - 1) & (value)) << 16)
+#define DANUBE_BIU_WDT_CR_RELOAD_GET(value) (((value) >> 0) & ((1 << 16) - 1))
+#define DANUBE_BIU_WDT_CR_RELOAD_SET(value) (((( 1 << 16) - 1) & (value)) << 0)
+
+/***Watchdog Timer Status Register***/
+#define DANUBE_BIU_WDT_SR                   ((volatile u32*)(DANUBE_BIU_WDT + 0x03F8))
+#define DANUBE_BIU_WDT_SR_EN                (1 << 31)
+#define DANUBE_BIU_WDT_SR_AE                (1 << 30)
+#define DANUBE_BIU_WDT_SR_PRW               (1 << 29)
+#define DANUBE_BIU_WDT_SR_EXP               (1 << 28)
+#define DANUBE_BIU_WDT_SR_PWD               (1 << 27)
+#define DANUBE_BIU_WDT_SR_DS                (1 << 26)
+#define DANUBE_BIU_WDT_SR_VALUE_GET(value)  (((value) >> 0) & ((1 << 16) - 1))
+#define DANUBE_BIU_WDT_SR_VALUE_SET(value)  (((( 1 << 16) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  PMU register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_PMU 			        (KSEG1+0x1F102000)
+
+/* PMU Power down Control Register */
+#define DANUBE_PMU_PWDCR                        ((volatile u32*)(DANUBE_PMU+0x001C))
+#define DANUBE_PMU_PWDCR_GPT					(1 << 12)
+#define DANUBE_PMU_PWDCR_FPI					(1 << 14)
+
+
+/* PMU Status Register */
+#define DANUBE_PMU_SR                           ((volatile u32*)(DANUBE_PMU+0x0020))
+
+#define DANUBE_PMU_DMA_SHIFT                    5
+#define DANUBE_PMU_PPE_SHIFT                    13
+#define DANUBE_PMU_SDIO_SHIFT                   16
+#define DANUBE_PMU_ETOP_SHIFT                   22
+#define DANUBE_PMU_ENET0_SHIFT                  24
+#define DANUBE_PMU_ENET1_SHIFT                  25
+
+/***********************************************************************/
+/*  Module      :  RCU register address and bits                       */
+/***********************************************************************/
+#define DANUBE_RCU_BASE_ADDR 		(0xBF203000)
+
+#define DANUBE_RCU_REQ 			(0x0010 + DANUBE_RCU_BASE_ADDR)	/* will remove this, pls use DANUBE_RCU_RST_REQ */
+
+#define DANUBE_RCU_RST_REQ              ((volatile u32*)(DANUBE_RCU_BASE_ADDR + 0x0010))
+#define DANUBE_RCU_RST_STAT             ((volatile u32*)(DANUBE_RCU_BASE_ADDR + 0x0014))
+#define DANUBE_RST_ALL                  (0x40000000)
+
+/***Reset Request Register***/
+#define DANUBE_RCU_RST_REQ_CPU0                 (1 << 31)
+#define DANUBE_RCU_RST_REQ_CPU1                 (1 << 3)
+#define DANUBE_RCU_RST_REQ_CPUSUB               (1 << 29)
+#define DANUBE_RCU_RST_REQ_HRST                 (1 << 28)
+#define DANUBE_RCU_RST_REQ_WDT0                 (1 << 27)
+#define DANUBE_RCU_RST_REQ_WDT1                 (1 << 26)
+#define DANUBE_RCU_RST_REQ_CFG_GET(value)       (((value) >> 23) & ((1 << 3) - 1))
+#define DANUBE_RCU_RST_REQ_CFG_SET(value)       (((( 1 << 3) - 1) & (value)) << 23)
+#define DANUBE_RCU_RST_REQ_SWTBOOT              (1 << 22)
+#define DANUBE_RCU_RST_REQ_DMA                  (1 << 21)
+#define DANUBE_RCU_RST_REQ_ARC_JTAG              (1 << 20)
+#define DANUBE_RCU_RST_REQ_ETHPHY0              (1 << 19)
+#define DANUBE_RCU_RST_REQ_CPU0_BR              (1 << 18)
+
+#define DANBUE_RCU_RST_REQ_AFE			(1 << 11)
+#define DANBUE_RCU_RST_REQ_DFE			(1 << 7)
+
+/* CPU0, CPU1, CPUSUB, HRST, WDT0, WDT1, DMA, ETHPHY1, ETHPHY0 */
+#define DANUBE_RCU_RST_REQ_ALL                  DANUBE_RST_ALL
+
+#define DANUBE_RCU_STAT		        (0x0014 + DANUBE_RCU_BASE_ADDR)
+#define DANUBE_RCU_RST_SR	        ( (volatile u32 *)(DANUBE_RCU_STAT))	/* will remove this, pls use DANUBE_RCU_RST_STAT */
+
+/*#define DANUBE_RCU_MON                  (0x0030 + DANUBE_RCU_BASE_ADDR) */
+
+/***********************************************************************/
+/*  Module      :  BCU  register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_BCU_BASE_ADDR 			(KSEG1+0x1E100000)
+
+/***BCU Control Register (0010H)***/
+#define DANUBE_BCU_CON                          ((volatile u32*)(0x0010 + DANUBE_BCU_BASE_ADDR))
+#define DANUBE_BCU_BCU_CON_SPC (value)                (((( 1 << 8) - 1) & (value)) << 24)
+#define DANUBE_BCU_BCU_CON_SPE                              (1 << 19)
+#define DANUBE_BCU_BCU_CON_PSE                              (1 << 18)
+#define DANUBE_BCU_BCU_CON_DBG                              (1 << 16)
+#define DANUBE_BCU_BCU_CON_TOUT (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***BCU Error Control Capture Register (0020H)***/
+#define DANUBE_BCU_ECON                         ((volatile u32*)(0x0020 + DANUBE_BCU_BASE_ADDR))
+#define DANUBE_BCU_BCU_ECON_TAG (value)                (((( 1 << 4) - 1) & (value)) << 24)
+#define DANUBE_BCU_BCU_ECON_RDN                              (1 << 23)
+#define DANUBE_BCU_BCU_ECON_WRN                              (1 << 22)
+#define DANUBE_BCU_BCU_ECON_SVM                              (1 << 21)
+#define DANUBE_BCU_BCU_ECON_ACK (value)                (((( 1 << 2) - 1) & (value)) << 19)
+#define DANUBE_BCU_BCU_ECON_ABT                              (1 << 18)
+#define DANUBE_BCU_BCU_ECON_RDY                              (1 << 17)
+#define DANUBE_BCU_BCU_ECON_TOUT                             (1 << 16)
+#define DANUBE_BCU_BCU_ECON_ERRCNT (value)             (((( 1 << 16) - 1) & (value)) << 0)
+#define DANUBE_BCU_BCU_ECON_OPC (value)                (((( 1 << 4) - 1) & (value)) << 28)
+
+/***BCU Error Address Capture Register (0024 H)***/
+#define DANUBE_BCU_EADD 			((volatile u32*)(0x0024 + DANUBE_BCU_BASE_ADDR))
+
+/***BCU Error Data Capture Register (0028H)***/
+#define DANUBE_BCU_EDAT 			((volatile u32*)(0x0028 + DANUBE_BCU_BASE_ADDR))
+#define DANUBE_BCU_IRNEN 			((volatile u32*)(0x00F4 + DANUBE_BCU_BASE_ADDR))
+#define DANUBE_BCU_IRNICR 			((volatile u32*)(0x00F8 + DANUBE_BCU_BASE_ADDR))
+#define DANUBE_BCU_IRNCR 			((volatile u32*)(0x00FC + DANUBE_BCU_BASE_ADDR))
+
+/***********************************************************************/
+/*  Module      :  MBC register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_MBC                          (0xBF103000)
+/***********************************************************************/
+
+/***Mailbox CPU Configuration Register***/
+#define DANUBE_MBC_MBC_CFG                      ((volatile u32*)(DANUBE_MBC+ 0x0080))
+#define DANUBE_MBC_MBC_CFG_SWAP (value)               (((( 1 << 2) - 1) & (value)) << 6)
+#define DANUBE_MBC_MBC_CFG_RES                              (1 << 5)
+#define DANUBE_MBC_MBC_CFG_FWID (value)               (((( 1 << 4) - 1) & (value)) << 1)
+#define DANUBE_MBC_MBC_CFG_SIZE                            (1 << 0)
+
+/***Mailbox CPU Interrupt Status Register***/
+#define DANUBE_MBC_MBC_ISR                      ((volatile u32*)(DANUBE_MBC+ 0x0084))
+#define DANUBE_MBC_MBC_ISR_B3DA                            (1 << 31)
+#define DANUBE_MBC_MBC_ISR_B2DA                            (1 << 30)
+#define DANUBE_MBC_MBC_ISR_B1E                              (1 << 29)
+#define DANUBE_MBC_MBC_ISR_B0E                              (1 << 28)
+#define DANUBE_MBC_MBC_ISR_WDT                              (1 << 27)
+#define DANUBE_MBC_MBC_ISR_DS260 (value)             (((( 1 << 27) - 1) & (value)) << 0)
+
+/***Mailbox CPU Mask Register***/
+#define DANUBE_MBC_MBC_MSK                      ((volatile u32*)(DANUBE_MBC+ 0x0088))
+#define DANUBE_MBC_MBC_MSK_B3DA                            (1 << 31)
+#define DANUBE_MBC_MBC_MSK_B2DA                            (1 << 30)
+#define DANUBE_MBC_MBC_MSK_B1E                              (1 << 29)
+#define DANUBE_MBC_MBC_MSK_B0E                              (1 << 28)
+#define DANUBE_MBC_MBC_MSK_WDT                              (1 << 27)
+#define DANUBE_MBC_MBC_MSK_DS260 (value)             (((( 1 << 27) - 1) & (value)) << 0)
+
+/***Mailbox CPU Mask 01 Register***/
+#define DANUBE_MBC_MBC_MSK01                    ((volatile u32*)(DANUBE_MBC+ 0x008C))
+#define DANUBE_MBC_MBC_MSK01_B3DA                            (1 << 31)
+#define DANUBE_MBC_MBC_MSK01_B2DA                            (1 << 30)
+#define DANUBE_MBC_MBC_MSK01_B1E                              (1 << 29)
+#define DANUBE_MBC_MBC_MSK01_B0E                              (1 << 28)
+#define DANUBE_MBC_MBC_MSK01_WDT                              (1 << 27)
+#define DANUBE_MBC_MBC_MSK01_DS260 (value)             (((( 1 << 27) - 1) & (value)) << 0)
+
+/***Mailbox CPU Mask 10 Register***/
+#define DANUBE_MBC_MBC_MSK10                    ((volatile u32*)(DANUBE_MBC+ 0x0090))
+#define DANUBE_MBC_MBC_MSK10_B3DA                            (1 << 31)
+#define DANUBE_MBC_MBC_MSK10_B2DA                            (1 << 30)
+#define DANUBE_MBC_MBC_MSK10_B1E                              (1 << 29)
+#define DANUBE_MBC_MBC_MSK10_B0E                              (1 << 28)
+#define DANUBE_MBC_MBC_MSK10_WDT                              (1 << 27)
+#define DANUBE_MBC_MBC_MSK10_DS260 (value)             (((( 1 << 27) - 1) & (value)) << 0)
+
+/***Mailbox CPU Short Command Register***/
+#define DANUBE_MBC_MBC_CMD                      ((volatile u32*)(DANUBE_MBC+ 0x0094))
+#define DANUBE_MBC_MBC_CMD_CS270 (value)             (((( 1 << 28) - 1) & (value)) << 0)
+
+/***Mailbox CPU Input Data of Buffer 0***/
+#define DANUBE_MBC_MBC_ID0                      ((volatile u32*)(DANUBE_MBC+ 0x0000))
+#define DANUBE_MBC_MBC_ID0_INDATA
+
+/***Mailbox CPU Input Data of Buffer 1***/
+#define DANUBE_MBC_MBC_ID1                      ((volatile u32*)(DANUBE_MBC+ 0x0020))
+#define DANUBE_MBC_MBC_ID1_INDATA
+
+/***Mailbox CPU Output Data of Buffer 2***/
+#define DANUBE_MBC_MBC_OD2                      ((volatile u32*)(DANUBE_MBC+ 0x0040))
+#define DANUBE_MBC_MBC_OD2_OUTDATA
+
+/***Mailbox CPU Output Data of Buffer 3***/
+#define DANUBE_MBC_MBC_OD3                      ((volatile u32*)(DANUBE_MBC+ 0x0060))
+#define DANUBE_MBC_MBC_OD3_OUTDATA
+
+/***Mailbox CPU Control Register of Buffer 0***/
+#define DANUBE_MBC_MBC_CR0                      ((volatile u32*)(DANUBE_MBC+ 0x0004))
+#define DANUBE_MBC_MBC_CR0_RDYABTFLS (value)          (((( 1 << 3) - 1) & (value)) << 0)
+
+/***Mailbox CPU Control Register of Buffer 1***/
+#define DANUBE_MBC_MBC_CR1                      ((volatile u32*)(DANUBE_MBC+ 0x0024))
+#define DANUBE_MBC_MBC_CR1_RDYABTFLS (value)          (((( 1 << 3) - 1) & (value)) << 0)
+
+/***Mailbox CPU Control Register of Buffer 2***/
+#define DANUBE_MBC_MBC_CR2                      ((volatile u32*)(DANUBE_MBC+ 0x0044))
+#define DANUBE_MBC_MBC_CR2_RDYABTFLS (value)          (((( 1 << 3) - 1) & (value)) << 0)
+
+/***Mailbox CPU Control Register of Buffer 3***/
+#define DANUBE_MBC_MBC_CR3                      ((volatile u32*)(DANUBE_MBC+ 0x0064))
+#define DANUBE_MBC_MBC_CR3_RDYABTFLS (value)          (((( 1 << 3) - 1) & (value)) << 0)
+
+/***Mailbox CPU Free Space of Buffer 0***/
+#define DANUBE_MBC_MBC_FS0                      ((volatile u32*)(DANUBE_MBC+ 0x0008))
+#define DANUBE_MBC_MBC_FS0_FS
+
+/***Mailbox CPU Free Space of Buffer 1***/
+#define DANUBE_MBC_MBC_FS1                      ((volatile u32*)(DANUBE_MBC+ 0x0028))
+#define DANUBE_MBC_MBC_FS1_FS
+
+/***Mailbox CPU Free Space of Buffer 2***/
+#define DANUBE_MBC_MBC_FS2                      ((volatile u32*)(DANUBE_MBC+ 0x0048))
+#define DANUBE_MBC_MBC_FS2_FS
+
+/***Mailbox CPU Free Space of Buffer 3***/
+#define DANUBE_MBC_MBC_FS3                      ((volatile u32*)(DANUBE_MBC+ 0x0068))
+#define DANUBE_MBC_MBC_FS3_FS
+
+/***Mailbox CPU Data Available in Buffer 0***/
+#define DANUBE_MBC_MBC_DA0                      ((volatile u32*)(DANUBE_MBC+ 0x000C))
+#define DANUBE_MBC_MBC_DA0_DA
+
+/***Mailbox CPU Data Available in Buffer 1***/
+#define DANUBE_MBC_MBC_DA1                      ((volatile u32*)(DANUBE_MBC+ 0x002C))
+#define DANUBE_MBC_MBC_DA1_DA
+
+/***Mailbox CPU Data Available in Buffer 2***/
+#define DANUBE_MBC_MBC_DA2                      ((volatile u32*)(DANUBE_MBC+ 0x004C))
+#define DANUBE_MBC_MBC_DA2_DA
+
+/***Mailbox CPU Data Available in Buffer 3***/
+#define DANUBE_MBC_MBC_DA3                      ((volatile u32*)(DANUBE_MBC+ 0x006C))
+#define DANUBE_MBC_MBC_DA3_DA
+
+/***Mailbox CPU Input Absolute Pointer of Buffer 0***/
+#define DANUBE_MBC_MBC_IABS0                    ((volatile u32*)(DANUBE_MBC+ 0x0010))
+#define DANUBE_MBC_MBC_IABS0_IABS
+
+/***Mailbox CPU Input Absolute Pointer of Buffer 1***/
+#define DANUBE_MBC_MBC_IABS1                    ((volatile u32*)(DANUBE_MBC+ 0x0030))
+#define DANUBE_MBC_MBC_IABS1_IABS
+
+/***Mailbox CPU Input Absolute Pointer of Buffer 2***/
+#define DANUBE_MBC_MBC_IABS2                    ((volatile u32*)(DANUBE_MBC+ 0x0050))
+#define DANUBE_MBC_MBC_IABS2_IABS
+
+/***Mailbox CPU Input Absolute Pointer of Buffer 3***/
+#define DANUBE_MBC_MBC_IABS3                    ((volatile u32*)(DANUBE_MBC+ 0x0070))
+#define DANUBE_MBC_MBC_IABS3_IABS
+
+/***Mailbox CPU Input Temporary Pointer of Buffer 0***/
+#define DANUBE_MBC_MBC_ITMP0                    ((volatile u32*)(DANUBE_MBC+ 0x0014))
+#define DANUBE_MBC_MBC_ITMP0_ITMP
+
+/***Mailbox CPU Input Temporary Pointer of Buffer 1***/
+#define DANUBE_MBC_MBC_ITMP1                    ((volatile u32*)(DANUBE_MBC+ 0x0034))
+#define DANUBE_MBC_MBC_ITMP1_ITMP
+
+/***Mailbox CPU Input Temporary Pointer of Buffer 2***/
+#define DANUBE_MBC_MBC_ITMP2                    ((volatile u32*)(DANUBE_MBC+ 0x0054))
+#define DANUBE_MBC_MBC_ITMP2_ITMP
+
+/***Mailbox CPU Input Temporary Pointer of Buffer 3***/
+#define DANUBE_MBC_MBC_ITMP3                    ((volatile u32*)(DANUBE_MBC+ 0x0074))
+#define DANUBE_MBC_MBC_ITMP3_ITMP
+
+/***Mailbox CPU Output Absolute Pointer of Buffer 0***/
+#define DANUBE_MBC_MBC_OABS0                    ((volatile u32*)(DANUBE_MBC+ 0x0018))
+#define DANUBE_MBC_MBC_OABS0_OABS
+
+/***Mailbox CPU Output Absolute Pointer of Buffer 1***/
+#define DANUBE_MBC_MBC_OABS1                    ((volatile u32*)(DANUBE_MBC+ 0x0038))
+#define DANUBE_MBC_MBC_OABS1_OABS
+
+/***Mailbox CPU Output Absolute Pointer of Buffer 2***/
+#define DANUBE_MBC_MBC_OABS2                    ((volatile u32*)(DANUBE_MBC+ 0x0058))
+#define DANUBE_MBC_MBC_OABS2_OABS
+
+/***Mailbox CPU Output Absolute Pointer of Buffer 3***/
+#define DANUBE_MBC_MBC_OABS3                    ((volatile u32*)(DANUBE_MBC+ 0x0078))
+#define DANUBE_MBC_MBC_OABS3_OABS
+
+/***Mailbox CPU Output Temporary Pointer of Buffer 0***/
+#define DANUBE_MBC_MBC_OTMP0                    ((volatile u32*)(DANUBE_MBC+ 0x001C))
+#define DANUBE_MBC_MBC_OTMP0_OTMP
+
+/***Mailbox CPU Output Temporary Pointer of Buffer 1***/
+#define DANUBE_MBC_MBC_OTMP1                    ((volatile u32*)(DANUBE_MBC+ 0x003C))
+#define DANUBE_MBC_MBC_OTMP1_OTMP
+
+/***Mailbox CPU Output Temporary Pointer of Buffer 2***/
+#define DANUBE_MBC_MBC_OTMP2                    ((volatile u32*)(DANUBE_MBC+ 0x005C))
+#define DANUBE_MBC_MBC_OTMP2_OTMP
+
+/***Mailbox CPU Output Temporary Pointer of Buffer 3***/
+#define DANUBE_MBC_MBC_OTMP3                    ((volatile u32*)(DANUBE_MBC+ 0x007C))
+#define DANUBE_MBC_MBC_OTMP3_OTMP
+
+/***DSP Control Register***/
+#define DANUBE_MBC_DCTRL                        ((volatile u32*)(DANUBE_MBC+ 0x00A0))
+#define DANUBE_MBC_DCTRL_BA                              (1 << 0)
+#define DANUBE_MBC_DCTRL_BMOD (value)               (((( 1 << 3) - 1) & (value)) << 1)
+#define DANUBE_MBC_DCTRL_IDL                              (1 << 4)
+#define DANUBE_MBC_DCTRL_RES                              (1 << 15)
+
+/***DSP Status Register***/
+#define DANUBE_MBC_DSTA                         ((volatile u32*)(DANUBE_MBC+ 0x00A4))
+#define DANUBE_MBC_DSTA_IDLE                            (1 << 0)
+#define DANUBE_MBC_DSTA_PD                              (1 << 1)
+
+/***DSP Test 1 Register***/
+#define DANUBE_MBC_DTST1                        ((volatile u32*)(DANUBE_MBC+ 0x00A8))
+#define DANUBE_MBC_DTST1_ABORT                          (1 << 0)
+#define DANUBE_MBC_DTST1_HWF32                          (1 << 1)
+#define DANUBE_MBC_DTST1_HWF4M                          (1 << 2)
+#define DANUBE_MBC_DTST1_HWFOP                          (1 << 3)
+
+/***********************************************************************/
+/*  Module      :  MEI register address and bits                       */
+/***********************************************************************/
+#define MEI_SPACE_ACCESS	0xBE116000
+
+/***	Register address offsets, relative to MEI_SPACE_ADDRESS ***/
+#define MEI_DATA_XFR				((volatile u32*)(0x0000 + MEI_SPACE_ACCESS))
+#define	MEI_VERSION				((volatile u32*)(0x0004 + MEI_SPACE_ACCESS))
+#define	MEI_ARC_GP_STAT				((volatile u32*)(0x0008 + MEI_SPACE_ACCESS))
+#define MEI_DATA_XFR_STAT			((volatile u32*)(0x000C + MEI_SPACE_ACCESS))
+#define	MEI_XFR_ADDR				((volatile u32*)(0x0010 + MEI_SPACE_ACCESS))
+#define MEI_MAX_WAIT				((volatile u32*)(0x0014 + MEI_SPACE_ACCESS))
+#define	MEI_TO_ARC_INT				((volatile u32*)(0x0018 + MEI_SPACE_ACCESS))
+#define	ARC_TO_MEI_INT				((volatile u32*)(0x001C + MEI_SPACE_ACCESS))
+#define	ARC_TO_MEI_INT_MASK			((volatile u32*)(0x0020 + MEI_SPACE_ACCESS))
+#define	MEI_DEBUG_WAD				((volatile u32*)(0x0024 + MEI_SPACE_ACCESS))
+#define MEI_DEBUG_RAD				((volatile u32*)(0x0028 + MEI_SPACE_ACCESS))
+#define	MEI_DEBUG_DATA				((volatile u32*)(0x002C + MEI_SPACE_ACCESS))
+#define	MEI_DEBUG_DEC				((volatile u32*)(0x0030 + MEI_SPACE_ACCESS))
+#define MEI_CONFIG				((volatile u32*)(0x0034 + MEI_SPACE_ACCESS))
+#define	MEI_RST_CONTROL				((volatile u32*)(0x0038 + MEI_SPACE_ACCESS))
+#define	MEI_DBG_MASTER				((volatile u32*)(0x003C + MEI_SPACE_ACCESS))
+#define	MEI_CLK_CONTROL				((volatile u32*)(0x0040 + MEI_SPACE_ACCESS))
+#define	MEI_BIST_CONTROL			((volatile u32*)(0x0044 + MEI_SPACE_ACCESS))
+#define	MEI_BIST_STAT				((volatile u32*)(0x0048 + MEI_SPACE_ACCESS))
+#define MEI_XDATA_BASE_SH			((volatile u32*)(0x004c + MEI_SPACE_ACCESS))
+#define MEI_XDATA_BASE				((volatile u32*)(0x0050 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR_BASE			((volatile u32*)(0x0054 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR0				((volatile u32*)(0x0054 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR1				((volatile u32*)(0x0058 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR2				((volatile u32*)(0x005C + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR3				((volatile u32*)(0x0060 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR4				((volatile u32*)(0x0064 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR5				((volatile u32*)(0x0068 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR6				((volatile u32*)(0x006C + MEI_SPACE_ACCESS)))
+#define MEI_XMEM_BAR7				((volatile u32*)(0x0070 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR8				((volatile u32*)(0x0074 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR9				((volatile u32*)(0x0078 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR10				((volatile u32*)(0x007C + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR11				((volatile u32*)(0x0080 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR12				((volatile u32*)(0x0084 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR13				((volatile u32*)(0x0088 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR14				((volatile u32*)(0x008C + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR15				((volatile u32*)(0x0090 + MEI_SPACE_ACCESS))
+#define MEI_XMEM_BAR16				((volatile u32*)(0x0094 + MEI_SPACE_ACCESS))
+
+/***********************************************************************/
+/*  Module      :  SSC1 register address and bits                      */
+/***********************************************************************/
+
+#define DANUBE_SSC1                       	(KSEG1+0x1e100800)
+/***********************************************************************/
+/***SSC Clock Control Register***/
+#define DANUBE_SSC_CLC                      	(0x0000)
+#define DANUBE_SSC_CLC_RMC(value)               (((( 1 << 8) - 1) & (value)) << 8)
+#define DANUBE_SSC_CLC_DISS                     (1 << 1)
+#define DANUBE_SSC_CLC_DISR                     (1 << 0)
+/***SSC Port Input Selection Register***/
+#define DANUBE_SSC_PISEL                        (0x0004)
+/***SSC Identification Register***/
+#define DANUBE_SSC_ID                           (0x0008)
+/***Control Register (Programming Mode)***/
+#define DANUBE_SSC_CON                  		(0x0010)
+#define DANUBE_SSC_CON_RUEN                            (1 << 12)
+#define DANUBE_SSC_CON_TUEN                              (1 << 11)
+#define DANUBE_SSC_CON_AEN                              (1 << 10)
+#define DANUBE_SSC_CON_REN                              (1 << 9)
+#define DANUBE_SSC_CON_TEN                              (1 << 8)
+#define DANUBE_SSC_CON_LB                              (1 << 7)
+#define DANUBE_SSC_CON_PO                              (1 << 6)
+#define DANUBE_SSC_CON_PH                              (1 << 5)
+#define DANUBE_SSC_CON_HB                              (1 << 4)
+#define DANUBE_SSC_CON_BM(value)                	(((( 1 << 5) - 1) & (value)) << 16)
+#define DANUBE_SSC_CON_RX_OFF                          (1 << 1)
+#define DANUBE_SSC_CON_TX_OFF                          (1 << 0)
+/***SCC Status Register***/
+#define DANUBE_SSC_STATE                  (0x0014)
+#define DANUBE_SSC_STATE_EN                              (1 << 0)
+#define DANUBE_SSC_STATE_MS                              (1 << 1)
+#define DANUBE_SSC_STATE_BSY                              (1 << 13)
+#define DANUBE_SSC_STATE_RUE                              (1 << 12)
+#define DANUBE_SSC_STATE_TUE                              (1 << 11)
+#define DANUBE_SSC_STATE_AE                              (1 << 10)
+#define DANUBE_SSC_STATE_RE                              (1 << 9)
+#define DANUBE_SSC_STATE_TE                              (1 << 8)
+#define DANUBE_SSC_STATE_BC(value)                (((( 1 << 5) - 1) & (value)) << 16)
+/***SSC Write Hardware Modified Control Register***/
+#define DANUBE_SSC_WHBSTATE                   ( 0x0018)
+#define DANUBE_SSC_WHBSTATE_SETBE                          (1 << 15)
+#define DANUBE_SSC_WHBSTATE_SETPE                          (1 << 14)
+#define DANUBE_SSC_WHBSTATE_SETRE                          (1 << 13)
+#define DANUBE_SSC_WHBSTATE_SETTE                          (1 << 12)
+#define DANUBE_SSC_WHBSTATE_CLRBE                          (1 << 11)
+#define DANUBE_SSC_WHBSTATE_CLRPE                          (1 << 10)
+#define DANUBE_SSC_WHBSTATE_CLRRE                          (1 << 9)
+#define DANUBE_SSC_WHBSTATE_CLRTE                          (1 << 8)
+/***SSC Transmitter Buffer Register***/
+#define DANUBE_SSC_TB                       (0x0020)
+#define DANUBE_SSC_TB_TB_VALUE(value)          (((( 1 << 16) - 1) & (value)) << 0)
+/***SSC Receiver Buffer Register***/
+#define DANUBE_SSC_RB                       (0x0024)
+#define DANUBE_SSC_RB_RB_VALUE(value)          (((( 1 << 16) - 1) & (value)) << 0)
+/***SSC Receive FIFO Control Register***/
+#define DANUBE_SSC_RXFCON                   (0x0030)
+#define DANUBE_SSC_RXFCON_RXFITL(value)             (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_SSC_RXFCON_RXTMEN                        (1 << 2)
+#define DANUBE_SSC_RXFCON_RXFLU                          (1 << 1)
+#define DANUBE_SSC_RXFCON_RXFEN                          (1 << 0)
+/***SSC Transmit FIFO Control Register***/
+#define DANUBE_SSC_TXFCON                   ( 0x0034)
+#define DANUBE_SSC_TXFCON_RXFITL(value)             (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_SSC_TXFCON_TXTMEN                        (1 << 2)
+#define DANUBE_SSC_TXFCON_TXFLU                          (1 << 1)
+#define DANUBE_SSC_TXFCON_TXFEN                          (1 << 0)
+/***SSC FIFO Status Register***/
+#define DANUBE_SSC_FSTAT                    (0x0038)
+#define DANUBE_SSC_FSTAT_TXFFL(value)              (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_SSC_FSTAT_RXFFL(value)              (((( 1 << 6) - 1) & (value)) << 0)
+/***SSC Baudrate Timer Reload Register***/
+#define DANUBE_SSC_BR                       (0x0040)
+#define DANUBE_SSC_BR_BR_VALUE(value)          (((( 1 << 16) - 1) & (value)) << 0)
+#define DANUBE_SSC_BRSTAT                       (0x0044)
+#define DANUBE_SSC_SFCON                        (0x0060)
+#define DANUBE_SSC_SFSTAT                       (0x0064)
+#define DANUBE_SSC_GPOCON                       (0x0070)
+#define DANUBE_SSC_GPOSTAT                      (0x0074)
+#define DANUBE_SSC_WHBGPOSTAT                   (0x0078)
+#define DANUBE_SSC_RXREQ                        (0x0080)
+#define DANUBE_SSC_RXCNT                        (0x0084)
+/*DMA Registers in Bus Clock Domain*/
+#define DANUBE_SSC_DMA_CON                      (0x00EC)
+/*interrupt Node Registers in Bus Clock Domain*/
+#define DANUBE_SSC_IRNEN                        (0x00F4)
+#define DANUBE_SSC_IRNCR                        (0x00F8)
+#define DANUBE_SSC_IRNICR                       (0x00FC)
+#define DANUBE_SSC_IRN_FIR			0x8
+#define DANUBE_SSC_IRN_EIR			0x4
+#define DANUBE_SSC_IRN_RIR			0x2
+#define DANUBE_SSC_IRN_TIR			0x1
+
+#define	DANUBE_SSC1_CLC			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_CLC))
+#define	DANUBE_SSC1_ID			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_ID))
+#define	DANUBE_SSC1_CON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_CON))
+#define	DANUBE_SSC1_STATE			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_STATE))
+#define	DANUBE_SSC1_WHBSTATE			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_WHBSTATE))
+#define	DANUBE_SSC1_TB			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_TB))
+#define	DANUBE_SSC1_RB			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_RB))
+#define	DANUBE_SSC1_FSTAT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_FSTAT))
+#define	DANUBE_SSC1_PISEL			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_PISEL))
+#define	DANUBE_SSC1_RXFCON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_RXFCON))
+#define	DANUBE_SSC1_TXFCON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_TXFCON))
+#define	DANUBE_SSC1_BR			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_BR))
+#define	DANUBE_SSC1_BRSTAT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_BRSTAT))
+#define	DANUBE_SSC1_SFCON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_SFCON))
+#define	DANUBE_SSC1_SFSTAT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_SFSTAT))
+#define	DANUBE_SSC1_GPOCON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_GPOCON))
+#define	DANUBE_SSC1_GPOSTAT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_GPOSTAT))
+#define	DANUBE_SSC1_WHBGPOSTAT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_WHBGPOSTAT))
+#define	DANUBE_SSC1_RXREQ			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_RXREQ))
+#define	DANUBE_SSC1_RXCNT			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_RXCNT))
+#define	DANUBE_SSC1_DMA_CON			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_DMA_CON))
+#define	DANUBE_SSC1_IRNEN			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_IRNEN))
+#define	DANUBE_SSC1_IRNICR			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_IRNICR))
+#define	DANUBE_SSC1_IRNCR			((volatile u32*)(DANUBE_SSC1+DANUBE_SSC_IRNCR))
+
+/***********************************************************************/
+/*  Module      :  GPIO register address and bits                       */
+/***********************************************************************/
+#define DANUBE_GPIO                     (0xBE100B00)
+/***Port 0 Data Output Register (0010H)***/
+#define DANUBE_GPIO_P0_OUT              ((volatile u32 *)(DANUBE_GPIO+ 0x0010))
+/***Port 1 Data Output Register (0040H)***/
+#define DANUBE_GPIO_P1_OUT              ((volatile u32 *)(DANUBE_GPIO+ 0x0040))
+/***Port 0 Data Input Register (0014H)***/
+#define DANUBE_GPIO_P0_IN               ((volatile u32 *)(DANUBE_GPIO+ 0x0014))
+/***Port 1 Data Input Register (0044H)***/
+#define DANUBE_GPIO_P1_IN               ((volatile u32 *)(DANUBE_GPIO+ 0x0044))
+/***Port 0 Direction Register (0018H)***/
+#define DANUBE_GPIO_P0_DIR              ((volatile u32 *)(DANUBE_GPIO+ 0x0018))
+/***Port 1 Direction Register (0048H)***/
+#define DANUBE_GPIO_P1_DIR              ((volatile u32 *)(DANUBE_GPIO+ 0x0048))
+/***Port 0 Alternate Function Select Register 0 (001C H) ***/
+#define DANUBE_GPIO_P0_ALTSEL0          ((volatile u32 *)(DANUBE_GPIO+ 0x001C))
+/***Port 1 Alternate Function Select Register 0 (004C H) ***/
+#define DANUBE_GPIO_P1_ALTSEL0          ((volatile u32 *)(DANUBE_GPIO+ 0x004C))
+/***Port 0 Alternate Function Select Register 1 (0020 H) ***/
+#define DANUBE_GPIO_P0_ALTSEL1          ((volatile u32 *)(DANUBE_GPIO+ 0x0020))
+/***Port 1 Alternate Function Select Register 0 (0050 H) ***/
+#define DANUBE_GPIO_P1_ALTSEL1          ((volatile u32 *)(DANUBE_GPIO+ 0x0050))
+/***Port 0 Open Drain Control Register (0024H)***/
+#define DANUBE_GPIO_P0_OD               ((volatile u32 *)(DANUBE_GPIO+ 0x0024))
+/***Port 1 Open Drain Control Register (0054H)***/
+#define DANUBE_GPIO_P1_OD               ((volatile u32 *)(DANUBE_GPIO+ 0x0054))
+/***Port 0 Input Schmitt-Trigger Off Register (0028 H) ***/
+#define DANUBE_GPIO_P0_STOFF            ((volatile u32 *)(DANUBE_GPIO+ 0x0028))
+/***Port 1 Input Schmitt-Trigger Off Register (0058 H) ***/
+#define DANUBE_GPIO_P1_STOFF            ((volatile u32 *)(DANUBE_GPIO+ 0x0058))
+/***Port 0 Pull Up/Pull Down Select Register (002C H)***/
+#define DANUBE_GPIO_P0_PUDSEL           ((volatile u32 *)(DANUBE_GPIO+ 0x002C))
+/***Port 1 Pull Up/Pull Down Select Register (005C H)***/
+#define DANUBE_GPIO_P1_PUDSEL           ((volatile u32 *)(DANUBE_GPIO+ 0x005C))
+/***Port 0 Pull Up Device Enable Register (0030 H)***/
+#define DANUBE_GPIO_P0_PUDEN            ((volatile u32 *)(DANUBE_GPIO+ 0x0030))
+/***Port 1 Pull Up Device Enable Register (0060 H)***/
+#define DANUBE_GPIO_P1_PUDEN            ((volatile u32 *)(DANUBE_GPIO+ 0x0060))
+/***********************************************************************/
+/*  Module      :  CGU register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_CGU                          (0xBF103000)
+/***********************************************************************/
+/***CGU Clock PLL0 ***/
+#define DANUBE_CGU_PLL0_CFG                	((volatile u32*)(DANUBE_CGU+ 0x0004))
+/***CGU Clock PLL1 ***/
+#define DANUBE_CGU_PLL1_CFG                	((volatile u32*)(DANUBE_CGU+ 0x0008))
+/***CGU Clock SYS Mux Register***/
+#define DANUBE_CGU_SYS                   	((volatile u32*)(DANUBE_CGU+ 0x0010))
+/***CGU Interface Clock Control Register***/
+#define DANUBE_CGU_IFCCR                        ((volatile u32*)(DANUBE_CGU+ 0x0018))
+/***CGU PCI Clock Control Register**/
+#define DANUBE_CGU_PCICR                          ((volatile u32*)(DANUBE_CGU+ 0x0034))
+#define CLOCK_60M                60000000
+#define CLOCK_83M                83333333
+#define CLOCK_111M               111111111
+#define CLOCK_133M               133333333
+#define CLOCK_167M               166666667
+#define CLOCK_333M               333333333
+
+/***********************************************************************/
+/*  Module      :  MCD register address and bits                       */
+/***********************************************************************/
+#define DANUBE_MCD                          		(KSEG1+0x1F106000)
+
+/***Manufacturer Identification Register***/
+#define DANUBE_MCD_MANID                        	((volatile u32*)(DANUBE_MCD+ 0x0024))
+#define DANUBE_MCD_MANID_MANUF(value)              	(((( 1 << 11) - 1) & (value)) << 5)
+
+/***Chip Identification Register***/
+#define DANUBE_MCD_CHIPID                       	((volatile u32*)(DANUBE_MCD+ 0x0028))
+#define DANUBE_MCD_CHIPID_VERSION_GET(value)             (((value) >> 28) & ((1 << 4) - 1))
+#define DANUBE_MCD_CHIPID_VERSION_SET(value)             (((( 1 << 4) - 1) & (value)) << 28)
+#define DANUBE_MCD_CHIPID_PART_NUMBER_GET(value)         (((value) >> 12) & ((1 << 16) - 1))
+#define DANUBE_MCD_CHIPID_PART_NUMBER_SET(value)         (((( 1 << 16) - 1) & (value)) << 12)
+#define DANUBE_MCD_CHIPID_MANID_GET(value)               (((value) >> 1) & ((1 << 11) - 1))
+#define DANUBE_MCD_CHIPID_MANID_SET(value)               (((( 1 << 11) - 1) & (value)) << 1)
+
+#define DANUBE_CHIPID_STANDARD				0x00EB
+#define DANUBE_CHIPID_YANGTSE				0x00ED
+
+/***Redesign Tracing Identification Register***/
+#define DANUBE_MCD_RTID                         	((volatile u32*)(DANUBE_MCD+ 0x002C))
+#define DANUBE_MCD_RTID_LC                              (1 << 15)
+#define DANUBE_MCD_RTID_RIX(value)                	(((( 1 << 3) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  EBU register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_EBU                          (0xBE105300)
+
+/***********************************************************************/
+
+/***EBU Clock Control Register***/
+#define DANUBE_EBU_CLC                      ((volatile u32*)(DANUBE_EBU+ 0x0000))
+#define DANUBE_EBU_CLC_DISS                            (1 << 1)
+#define DANUBE_EBU_CLC_DISR                            (1 << 0)
+
+/***EBU Global Control Register***/
+#define DANUBE_EBU_CON                      ((volatile u32*)(DANUBE_EBU+ 0x0010))
+#define DANUBE_EBU_CON_DTACS (value)              (((( 1 << 3) - 1) & (value)) << 20)
+#define DANUBE_EBU_CON_DTARW (value)              (((( 1 << 3) - 1) & (value)) << 16)
+#define DANUBE_EBU_CON_TOUTC (value)              (((( 1 << 8) - 1) & (value)) << 8)
+#define DANUBE_EBU_CON_ARBMODE (value)            (((( 1 << 2) - 1) & (value)) << 6)
+#define DANUBE_EBU_CON_ARBSYNC                      (1 << 5)
+#define DANUBE_EBU_CON_1                              (1 << 3)
+
+/***EBU Address Select Register 0***/
+#define DANUBE_EBU_ADDSEL0                  ((volatile u32*)(DANUBE_EBU+ 0x0020))
+#define DANUBE_EBU_ADDSEL0_BASE (value)               (((( 1 << 20) - 1) & (value)) << 12)
+#define DANUBE_EBU_ADDSEL0_MASK (value)               (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_EBU_ADDSEL0_MIRRORE                      (1 << 1)
+#define DANUBE_EBU_ADDSEL0_REGEN                          (1 << 0)
+
+/***EBU Address Select Register 1***/
+#define DANUBE_EBU_ADDSEL1                  ((volatile u32*)(DANUBE_EBU+ 0x0024))
+#define DANUBE_EBU_ADDSEL1_BASE (value)               (((( 1 << 20) - 1) & (value)) << 12)
+#define DANUBE_EBU_ADDSEL1_MASK (value)               (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_EBU_ADDSEL1_MIRRORE                      (1 << 1)
+#define DANUBE_EBU_ADDSEL1_REGEN                          (1 << 0)
+
+/***EBU Address Select Register 2***/
+#define DANUBE_EBU_ADDSEL2                  ((volatile u32*)(DANUBE_EBU+ 0x0028))
+#define DANUBE_EBU_ADDSEL2_BASE (value)               (((( 1 << 20) - 1) & (value)) << 12)
+#define DANUBE_EBU_ADDSEL2_MASK (value)               (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_EBU_ADDSEL2_MIRRORE                      (1 << 1)
+#define DANUBE_EBU_ADDSEL2_REGEN                          (1 << 0)
+
+/***EBU Address Select Register 3***/
+#define DANUBE_EBU_ADDSEL3                  ((volatile u32*)(DANUBE_EBU+ 0x0028))
+#define DANUBE_EBU_ADDSEL3_BASE (value)               (((( 1 << 20) - 1) & (value)) << 12)
+#define DANUBE_EBU_ADDSEL3_MASK (value)               (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_EBU_ADDSEL3_MIRRORE                      (1 << 1)
+#define DANUBE_EBU_ADDSEL3_REGEN                          (1 << 0)
+
+/***EBU Bus Configuration Register 0***/
+#define DANUBE_EBU_BUSCON0                  ((volatile u32*)(DANUBE_EBU+ 0x0060))
+#define DANUBE_EBU_BUSCON0_WRDIS                          (1 << 31)
+#define DANUBE_EBU_BUSCON0_ALEC (value)               (((( 1 << 2) - 1) & (value)) << 29)
+#define DANUBE_EBU_BUSCON0_BCGEN (value)              (((( 1 << 2) - 1) & (value)) << 27)
+#define DANUBE_EBU_BUSCON0_AGEN (value)               (((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_EBU_BUSCON0_CMULTR (value)             (((( 1 << 2) - 1) & (value)) << 22)
+#define DANUBE_EBU_BUSCON0_WAIT (value)               (((( 1 << 2) - 1) & (value)) << 20)
+#define DANUBE_EBU_BUSCON0_WAITINV                      (1 << 19)
+#define DANUBE_EBU_BUSCON0_SETUP                          (1 << 18)
+#define DANUBE_EBU_BUSCON0_PORTW (value)              (((( 1 << 2) - 1) & (value)) << 16)
+#define DANUBE_EBU_BUSCON0_WAITRDC (value)            (((( 1 << 7) - 1) & (value)) << 9)
+#define DANUBE_EBU_BUSCON0_WAITWRC (value)            (((( 1 << 3) - 1) & (value)) << 6)
+#define DANUBE_EBU_BUSCON0_HOLDC (value)              (((( 1 << 2) - 1) & (value)) << 4)
+#define DANUBE_EBU_BUSCON0_RECOVC (value)             (((( 1 << 2) - 1) & (value)) << 2)
+#define DANUBE_EBU_BUSCON0_CMULT (value)              (((( 1 << 2) - 1) & (value)) << 0)
+
+/***EBU Bus Configuration Register 1***/
+#define DANUBE_EBU_BUSCON1                  ((volatile u32*)(DANUBE_EBU+ 0x0064))
+#define DANUBE_EBU_BUSCON1_WRDIS                          (1 << 31)
+#define DANUBE_EBU_BUSCON1_ALEC (value)               (((( 1 << 2) - 1) & (value)) << 29)
+#define DANUBE_EBU_BUSCON1_BCGEN (value)              (((( 1 << 2) - 1) & (value)) << 27)
+#define DANUBE_EBU_BUSCON1_AGEN (value)               (((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_EBU_BUSCON1_CMULTR (value)             (((( 1 << 2) - 1) & (value)) << 22)
+#define DANUBE_EBU_BUSCON1_WAIT (value)               (((( 1 << 2) - 1) & (value)) << 20)
+#define DANUBE_EBU_BUSCON1_WAITINV                      (1 << 19)
+#define DANUBE_EBU_BUSCON1_SETUP                          (1 << 18)
+#define DANUBE_EBU_BUSCON1_PORTW (value)              (((( 1 << 2) - 1) & (value)) << 16)
+#define DANUBE_EBU_BUSCON1_WAITRDC (value)            (((( 1 << 7) - 1) & (value)) << 9)
+#define DANUBE_EBU_BUSCON1_WAITWRC (value)            (((( 1 << 3) - 1) & (value)) << 6)
+#define DANUBE_EBU_BUSCON1_HOLDC (value)              (((( 1 << 2) - 1) & (value)) << 4)
+#define DANUBE_EBU_BUSCON1_RECOVC (value)             (((( 1 << 2) - 1) & (value)) << 2)
+#define DANUBE_EBU_BUSCON1_CMULT (value)              (((( 1 << 2) - 1) & (value)) << 0)
+
+/***EBU Bus Configuration Register 2***/
+#define DANUBE_EBU_BUSCON2                  ((volatile u32*)(DANUBE_EBU+ 0x0068))
+#define DANUBE_EBU_BUSCON2_WRDIS                          (1 << 31)
+#define DANUBE_EBU_BUSCON2_ALEC (value)               (((( 1 << 2) - 1) & (value)) << 29)
+#define DANUBE_EBU_BUSCON2_BCGEN (value)              (((( 1 << 2) - 1) & (value)) << 27)
+#define DANUBE_EBU_BUSCON2_AGEN (value)               (((( 1 << 2) - 1) & (value)) << 24)
+#define DANUBE_EBU_BUSCON2_CMULTR (value)             (((( 1 << 2) - 1) & (value)) << 22)
+#define DANUBE_EBU_BUSCON2_WAIT (value)               (((( 1 << 2) - 1) & (value)) << 20)
+#define DANUBE_EBU_BUSCON2_WAITINV                      (1 << 19)
+#define DANUBE_EBU_BUSCON2_SETUP                          (1 << 18)
+#define DANUBE_EBU_BUSCON2_PORTW (value)              (((( 1 << 2) - 1) & (value)) << 16)
+#define DANUBE_EBU_BUSCON2_WAITRDC (value)            (((( 1 << 7) - 1) & (value)) << 9)
+#define DANUBE_EBU_BUSCON2_WAITWRC (value)            (((( 1 << 3) - 1) & (value)) << 6)
+#define DANUBE_EBU_BUSCON2_HOLDC (value)              (((( 1 << 2) - 1) & (value)) << 4)
+#define DANUBE_EBU_BUSCON2_RECOVC (value)             (((( 1 << 2) - 1) & (value)) << 2)
+#define DANUBE_EBU_BUSCON2_CMULT (value)              (((( 1 << 2) - 1) & (value)) << 0)
+
+#define DANUBE_EBU_PCC_CON                  ((volatile u32*)(DANUBE_EBU+ 0x0090))
+#define DANUBE_EBU_PCC_STAT                  ((volatile u32*)(DANUBE_EBU+ 0x0094))
+#define DANUBE_EBU_PCC_ISTAT                  ((volatile u32*)(DANUBE_EBU+ 0x00A0))
+#define DANUBE_EBU_PCC_IEN                  ((volatile u32*)(DANUBE_EBU+ 0x00A4))
+/***********************************************************************/
+/*  Module      :  SDRAM register address and bits                     */
+/***********************************************************************/
+
+#define DANUBE_SDRAM                        (0xBF800000)
+/***********************************************************************/
+
+/***MC Access Error Cause Register***/
+#define DANUBE_SDRAM_MC_ERRCAUSE                  ((volatile u32*)(DANUBE_SDRAM+ 0x0100))
+#define DANUBE_SDRAM_MC_ERRCAUSE_ERR                              (1 << 31)
+#define DANUBE_SDRAM_MC_ERRCAUSE_PORT (value)               (((( 1 << 4) - 1) & (value)) << 16)
+#define DANUBE_SDRAM_MC_ERRCAUSE_CAUSE (value)              (((( 1 << 2) - 1) & (value)) << 0)
+#define DANUBE_SDRAM_MC_ERRCAUSE_Res (value)                (((( 1 << NaN) - 1) & (value)) << NaN)
+
+/***MC Access Error Address Register***/
+#define DANUBE_SDRAM_MC_ERRADDR                   ((volatile u32*)(DANUBE_SDRAM+ 0x0108))
+#define DANUBE_SDRAM_MC_ERRADDR_ADDR
+
+/***MC I/O General Purpose Register***/
+#define DANUBE_SDRAM_MC_IOGP                      ((volatile u32*)(DANUBE_SDRAM+ 0x0800))
+#define DANUBE_SDRAM_MC_IOGP_GPR6 (value)               (((( 1 << 4) - 1) & (value)) << 28)
+#define DANUBE_SDRAM_MC_IOGP_GPR5 (value)               (((( 1 << 4) - 1) & (value)) << 24)
+#define DANUBE_SDRAM_MC_IOGP_GPR4 (value)               (((( 1 << 4) - 1) & (value)) << 20)
+#define DANUBE_SDRAM_MC_IOGP_GPR3 (value)               (((( 1 << 4) - 1) & (value)) << 16)
+#define DANUBE_SDRAM_MC_IOGP_GPR2 (value)               (((( 1 << 4) - 1) & (value)) << 12)
+#define DANUBE_SDRAM_MC_IOGP_CPS                              (1 << 11)
+#define DANUBE_SDRAM_MC_IOGP_CLKDELAY (value)          (((( 1 << 3) - 1) & (value)) << 8)
+#define DANUBE_SDRAM_MC_IOGP_CLKRAT (value)             (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_SDRAM_MC_IOGP_RDDEL (value)              (((( 1 << 4) - 1) & (value)) << 0)
+
+/***MC Self Refresh Register***/
+#define DANUBE_SDRAM_MC_SELFRFSH                  ((volatile u32*)(DANUBE_SDRAM+ 0x0A00))
+#define DANUBE_SDRAM_MC_SELFRFSH_PWDS                            (1 << 1)
+#define DANUBE_SDRAM_MC_SELFRFSH_PWD                              (1 << 0)
+#define DANUBE_SDRAM_MC_SELFRFSH_Res (value)                (((( 1 << 30) - 1) & (value)) << 2)
+
+/***MC Enable Register***/
+#define DANUBE_SDRAM_MC_CTRLENA                   ((volatile u32*)(DANUBE_SDRAM+ 0x1000))
+#define DANUBE_SDRAM_MC_CTRLENA_ENA                              (1 << 0)
+#define DANUBE_SDRAM_MC_CTRLENA_Res (value)                (((( 1 << 31) - 1) & (value)) << 1)
+
+/***MC Mode Register Setup Code***/
+#define DANUBE_SDRAM_MC_MRSCODE                   ((volatile u32*)(DANUBE_SDRAM+ 0x1008))
+#define DANUBE_SDRAM_MC_MRSCODE_UMC (value)                (((( 1 << 5) - 1) & (value)) << 7)
+#define DANUBE_SDRAM_MC_MRSCODE_CL (value)                (((( 1 << 3) - 1) & (value)) << 4)
+#define DANUBE_SDRAM_MC_MRSCODE_WT                              (1 << 3)
+#define DANUBE_SDRAM_MC_MRSCODE_BL (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***MC Configuration Data-word Width Register***/
+#define DANUBE_SDRAM_MC_CFGDW                    ((volatile u32*)(DANUBE_SDRAM+ 0x1010))
+#define DANUBE_SDRAM_MC_CFGDW_DW (value)                (((( 1 << 4) - 1) & (value)) << 0)
+#define DANUBE_SDRAM_MC_CFGDW_Res (value)                (((( 1 << 28) - 1) & (value)) << 4)
+
+/***MC Configuration Physical Bank 0 Register***/
+#define DANUBE_SDRAM_MC_CFGPB0                    ((volatile u32*)(DANUBE_SDRAM+ 0x1018))
+#define DANUBE_SDRAM_MC_CFGPB0_MCSEN0 (value)             (((( 1 << 4) - 1) & (value)) << 12)
+#define DANUBE_SDRAM_MC_CFGPB0_BANKN0 (value)             (((( 1 << 4) - 1) & (value)) << 8)
+#define DANUBE_SDRAM_MC_CFGPB0_ROWW0 (value)              (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_SDRAM_MC_CFGPB0_COLW0 (value)              (((( 1 << 4) - 1) & (value)) << 0)
+#define DANUBE_SDRAM_MC_CFGPB0_Res (value)                (((( 1 << 16) - 1) & (value)) << 16)
+
+/***MC Latency Register***/
+#define DANUBE_SDRAM_MC_LATENCY                   ((volatile u32*)(DANUBE_SDRAM+ 0x1038))
+#define DANUBE_SDRAM_MC_LATENCY_TRP (value)                (((( 1 << 4) - 1) & (value)) << 16)
+#define DANUBE_SDRAM_MC_LATENCY_TRAS (value)               (((( 1 << 4) - 1) & (value)) << 12)
+#define DANUBE_SDRAM_MC_LATENCY_TRCD (value)               (((( 1 << 4) - 1) & (value)) << 8)
+#define DANUBE_SDRAM_MC_LATENCY_TDPL (value)               (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_SDRAM_MC_LATENCY_TDAL (value)               (((( 1 << 4) - 1) & (value)) << 0)
+#define DANUBE_SDRAM_MC_LATENCY_Res (value)                (((( 1 << 12) - 1) & (value)) << 20)
+
+/***MC Refresh Cycle Time Register***/
+#define DANUBE_SDRAM_MC_TREFRESH                  ((volatile u32*)(DANUBE_SDRAM+ 0x1040))
+#define DANUBE_SDRAM_MC_TREFRESH_TREF (value)               (((( 1 << 13) - 1) & (value)) << 0)
+#define DANUBE_SDRAM_MC_TREFRESH_Res (value)                (((( 1 << 19) - 1) & (value)) << 13)
+
+/***********************************************************************/
+/*  Module      :  GPTC register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_GPTC                   (KSEG1 + 0x1E100A00)
+#define DANUBE_GPTC_CLC               ((volatile u32*) (DANUBE_GPTC + 0x0000))
+#define DANUBE_GPTC_ID                ((volatile u32*) (DANUBE_GPTC + 0x0008))
+#define DANUBE_GPTC_IRNEN             ((volatile u32*) (DANUBE_GPTC + 0x00F4))
+#define DANUBE_GPTC_IRNICR    ((volatile u32*) (DANUBE_GPTC + 0x00F8)
+#define DANUBE_GPTC_IRNCR             ((volatile u32*) (DANUBE_GPTC + 0x00FC))
+
+#define DANUBE_GPTC_CON_1A    ((volatile u32*) (DANUBE_GPTC + 0x0010))
+#define DANUBE_GPTC_RUN_1A    ((volatile u32*) (DANUBE_GPTC + 0x0018))
+#define DANUBE_GPTC_RELOAD_1A ((volatile u32*) (DANUBE_GPTC + 0x0020))
+#define DANUBE_GPTC_COUNT_1A  ((volatile u32*) (DANUBE_GPTC + 0x0028))
+
+#define DANUBE_GPTC_CON_1B    ((volatile u32*) (DANUBE_GPTC + 0x0014))
+#define DANUBE_GPTC_RUN_1B    ((volatile u32*) (DANUBE_GPTC + 0x001C))
+#define DANUBE_GPTC_RELOAD_1B ((volatile u32*) (DANUBE_GPTC + 0x0024))
+#define DANUBE_GPTC_COUNT_1B  ((volatile u32*) (DANUBE_GPTC + 0x002C))
+
+#define DANUBE_GPTC_CON_2A    ((volatile u32*) (DANUBE_GPTC + 0x0030))
+#define DANUBE_GPTC_RUN_2A    ((volatile u32*) (DANUBE_GPTC + 0x0038))
+#define DANUBE_GPTC_RELOAD_2A ((volatile u32*) (DANUBE_GPTC + 0x0040))
+#define DANUBE_GPTC_COUNT_2A  ((volatile u32*) (DANUBE_GPTC + 0x0048))
+
+#define DANUBE_GPTC_CON_2B    ((volatile u32*) (DANUBE_GPTC + 0x0034))
+#define DANUBE_GPTC_RUN_2B    ((volatile u32*) (DANUBE_GPTC + 0x003C))
+#define DANUBE_GPTC_RELOAD_2B ((volatile u32*) (DANUBE_GPTC + 0x0044))
+#define DANUBE_GPTC_COUNT_2B  ((volatile u32*) (DANUBE_GPTC + 0x004C))
+
+/***********************************************************************/
+/*  Module      :  GPTU register address and bits                      */
+/***********************************************************************/
+
+#define DANUBE_GPTU                         (0xB8000300)
+/***********************************************************************/
+
+/***GPT Clock Control Register***/
+#define DANUBE_GPTU_GPT_CLC                      ((volatile u32*)(DANUBE_GPTU+ 0x0000))
+#define DANUBE_GPTU_GPT_CLC_RMC (value)                (((( 1 << 8) - 1) & (value)) << 8)
+#define DANUBE_GPTU_GPT_CLC_DISS                            (1 << 1)
+#define DANUBE_GPTU_GPT_CLC_DISR                            (1 << 0)
+
+/***GPT Timer 3 Control Register***/
+#define DANUBE_GPTU_GPT_T3CON                    ((volatile u32*)(DANUBE_GPTU+ 0x0014))
+#define DANUBE_GPTU_GPT_T3CON_T3RDIR                        (1 << 15)
+#define DANUBE_GPTU_GPT_T3CON_T3CHDIR                      (1 << 14)
+#define DANUBE_GPTU_GPT_T3CON_T3EDGE                        (1 << 13)
+#define DANUBE_GPTU_GPT_T3CON_BPS1 (value)               (((( 1 << 2) - 1) & (value)) << 11)
+#define DANUBE_GPTU_GPT_T3CON_T3OTL                          (1 << 10)
+#define DANUBE_GPTU_GPT_T3CON_T3UD                            (1 << 7)
+#define DANUBE_GPTU_GPT_T3CON_T3R                              (1 << 6)
+#define DANUBE_GPTU_GPT_T3CON_T3M (value)                (((( 1 << 3) - 1) & (value)) << 3)
+#define DANUBE_GPTU_GPT_T3CON_T3I (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***GPT Write Hardware Modified Timer 3 Control Register
+If set and clear bit are written concurrently with 1, the associated bit is not changed.***/
+#define DANUBE_GPTU_GPT_WHBT3CON                 ((volatile u32*)(DANUBE_GPTU+ 0x004C))
+#define DANUBE_GPTU_GPT_WHBT3CON_SETT3CHDIR                (1 << 15)
+#define DANUBE_GPTU_GPT_WHBT3CON_CLRT3CHDIR                (1 << 14)
+#define DANUBE_GPTU_GPT_WHBT3CON_SETT3EDGE                  (1 << 13)
+#define DANUBE_GPTU_GPT_WHBT3CON_CLRT3EDGE                  (1 << 12)
+#define DANUBE_GPTU_GPT_WHBT3CON_SETT3OTL                  (1 << 11)
+#define DANUBE_GPTU_GPT_WHBT3CON_CLRT3OTL                  (1 << 10)
+
+/***GPT Timer 2 Control Register***/
+#define DANUBE_GPTU_GPT_T2CON                    ((volatile u32*)(DANUBE_GPTU+ 0x0010))
+#define DANUBE_GPTU_GPT_T2CON_TxRDIR                        (1 << 15)
+#define DANUBE_GPTU_GPT_T2CON_TxCHDIR                      (1 << 14)
+#define DANUBE_GPTU_GPT_T2CON_TxEDGE                        (1 << 13)
+#define DANUBE_GPTU_GPT_T2CON_TxIRDIS                      (1 << 12)
+#define DANUBE_GPTU_GPT_T2CON_TxRC                            (1 << 9)
+#define DANUBE_GPTU_GPT_T2CON_TxUD                            (1 << 7)
+#define DANUBE_GPTU_GPT_T2CON_TxR                              (1 << 6)
+#define DANUBE_GPTU_GPT_T2CON_TxM (value)                (((( 1 << 3) - 1) & (value)) << 3)
+#define DANUBE_GPTU_GPT_T2CON_TxI (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***GPT Timer 4 Control Register***/
+#define DANUBE_GPTU_GPT_T4CON                    ((volatile u32*)(DANUBE_GPTU+ 0x0018))
+#define DANUBE_GPTU_GPT_T4CON_TxRDIR                        (1 << 15)
+#define DANUBE_GPTU_GPT_T4CON_TxCHDIR                      (1 << 14)
+#define DANUBE_GPTU_GPT_T4CON_TxEDGE                        (1 << 13)
+#define DANUBE_GPTU_GPT_T4CON_TxIRDIS                      (1 << 12)
+#define DANUBE_GPTU_GPT_T4CON_TxRC                            (1 << 9)
+#define DANUBE_GPTU_GPT_T4CON_TxUD                            (1 << 7)
+#define DANUBE_GPTU_GPT_T4CON_TxR                              (1 << 6)
+#define DANUBE_GPTU_GPT_T4CON_TxM (value)                (((( 1 << 3) - 1) & (value)) << 3)
+#define DANUBE_GPTU_GPT_T4CON_TxI (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***GPT Write HW Modified Timer 2 Control Register If set
+ and clear bit are written concurrently with 1, the associated bit is not changed.***/
+#define DANUBE_GPTU_GPT_WHBT2CON                 ((volatile u32*)(DANUBE_GPTU+ 0x0048))
+#define DANUBE_GPTU_GPT_WHBT2CON_SETTxCHDIR                (1 << 15)
+#define DANUBE_GPTU_GPT_WHBT2CON_CLRTxCHDIR                (1 << 14)
+#define DANUBE_GPTU_GPT_WHBT2CON_SETTxEDGE                  (1 << 13)
+#define DANUBE_GPTU_GPT_WHBT2CON_CLRTxEDGE                  (1 << 12)
+
+/***GPT Write HW Modified Timer 4 Control Register If set
+ and clear bit are written concurrently with 1, the associated bit is not changed.***/
+#define DANUBE_GPTU_GPT_WHBT4CON                 ((volatile u32*)(DANUBE_GPTU+ 0x0050))
+#define DANUBE_GPTU_GPT_WHBT4CON_SETTxCHDIR                (1 << 15)
+#define DANUBE_GPTU_GPT_WHBT4CON_CLRTxCHDIR                (1 << 14)
+#define DANUBE_GPTU_GPT_WHBT4CON_SETTxEDGE                  (1 << 13)
+#define DANUBE_GPTU_GPT_WHBT4CON_CLRTxEDGE                  (1 << 12)
+
+/***GPT Capture Reload Register***/
+#define DANUBE_GPTU_GPT_CAPREL                   ((volatile u32*)(DANUBE_GPTU+ 0x0030))
+#define DANUBE_GPTU_GPT_CAPREL_CAPREL (value)             (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 2 Register***/
+#define DANUBE_GPTU_GPT_T2                       ((volatile u32*)(DANUBE_GPTU+ 0x0034))
+#define DANUBE_GPTU_GPT_T2_TVAL (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 3 Register***/
+#define DANUBE_GPTU_GPT_T3                       ((volatile u32*)(DANUBE_GPTU+ 0x0038))
+#define DANUBE_GPTU_GPT_T3_TVAL (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 4 Register***/
+#define DANUBE_GPTU_GPT_T4                       ((volatile u32*)(DANUBE_GPTU+ 0x003C))
+#define DANUBE_GPTU_GPT_T4_TVAL (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 5 Register***/
+#define DANUBE_GPTU_GPT_T5                       ((volatile u32*)(DANUBE_GPTU+ 0x0040))
+#define DANUBE_GPTU_GPT_T5_TVAL (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 6 Register***/
+#define DANUBE_GPTU_GPT_T6                       ((volatile u32*)(DANUBE_GPTU+ 0x0044))
+#define DANUBE_GPTU_GPT_T6_TVAL (value)               (((( 1 << 16) - 1) & (value)) << 0)
+
+/***GPT Timer 6 Control Register***/
+#define DANUBE_GPTU_GPT_T6CON                    ((volatile u32*)(DANUBE_GPTU+ 0x0020))
+#define DANUBE_GPTU_GPT_T6CON_T6SR                            (1 << 15)
+#define DANUBE_GPTU_GPT_T6CON_T6CLR                          (1 << 14)
+#define DANUBE_GPTU_GPT_T6CON_BPS2 (value)               (((( 1 << 2) - 1) & (value)) << 11)
+#define DANUBE_GPTU_GPT_T6CON_T6OTL                          (1 << 10)
+#define DANUBE_GPTU_GPT_T6CON_T6UD                            (1 << 7)
+#define DANUBE_GPTU_GPT_T6CON_T6R                              (1 << 6)
+#define DANUBE_GPTU_GPT_T6CON_T6M (value)                (((( 1 << 3) - 1) & (value)) << 3)
+#define DANUBE_GPTU_GPT_T6CON_T6I (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***GPT Write HW Modified Timer 6 Control Register If set
+ and clear bit are written concurrently with 1, the associated bit is not changed.***/
+#define DANUBE_GPTU_GPT_WHBT6CON                 ((volatile u32*)(DANUBE_GPTU+ 0x0054))
+#define DANUBE_GPTU_GPT_WHBT6CON_SETT6OTL                  (1 << 11)
+#define DANUBE_GPTU_GPT_WHBT6CON_CLRT6OTL                  (1 << 10)
+
+/***GPT Timer 5 Control Register***/
+#define DANUBE_GPTU_GPT_T5CON                    ((volatile u32*)(DANUBE_GPTU+ 0x001C))
+#define DANUBE_GPTU_GPT_T5CON_T5SC                            (1 << 15)
+#define DANUBE_GPTU_GPT_T5CON_T5CLR                          (1 << 14)
+#define DANUBE_GPTU_GPT_T5CON_CI (value)                (((( 1 << 2) - 1) & (value)) << 12)
+#define DANUBE_GPTU_GPT_T5CON_T5CC                            (1 << 11)
+#define DANUBE_GPTU_GPT_T5CON_CT3                              (1 << 10)
+#define DANUBE_GPTU_GPT_T5CON_T5RC                            (1 << 9)
+#define DANUBE_GPTU_GPT_T5CON_T5UDE                          (1 << 8)
+#define DANUBE_GPTU_GPT_T5CON_T5UD                            (1 << 7)
+#define DANUBE_GPTU_GPT_T5CON_T5R                              (1 << 6)
+#define DANUBE_GPTU_GPT_T5CON_T5M (value)                (((( 1 << 3) - 1) & (value)) << 3)
+#define DANUBE_GPTU_GPT_T5CON_T5I (value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  IOM register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_IOM                          (0xBF105000)
+/***********************************************************************/
+
+/***Receive FIFO***/
+#define DANUBE_IOM_RFIFO                        ((volatile u32*)(DANUBE_IOM+ 0x0000))
+#define DANUBE_IOM_RFIFO_RXD (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Transmit FIFO***/
+#define DANUBE_IOM_XFIFO                        ((volatile u32*)(DANUBE_IOM+ 0x0000))
+#define DANUBE_IOM_XFIFO_TXD (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Interrupt Status Register HDLC***/
+#define DANUBE_IOM_ISTAH                        ((volatile u32*)(DANUBE_IOM+ 0x0080))
+#define DANUBE_IOM_ISTAH_RME                              (1 << 7)
+#define DANUBE_IOM_ISTAH_RPF                              (1 << 6)
+#define DANUBE_IOM_ISTAH_RFO                              (1 << 5)
+#define DANUBE_IOM_ISTAH_XPR                              (1 << 4)
+#define DANUBE_IOM_ISTAH_XMR                              (1 << 3)
+#define DANUBE_IOM_ISTAH_XDU                              (1 << 2)
+
+/***Interrupt Mask Register HDLC***/
+#define DANUBE_IOM_MASKH                        ((volatile u32*)(DANUBE_IOM+ 0x0080))
+#define DANUBE_IOM_MASKH_RME                              (1 << 7)
+#define DANUBE_IOM_MASKH_RPF                              (1 << 6)
+#define DANUBE_IOM_MASKH_RFO                              (1 << 5)
+#define DANUBE_IOM_MASKH_XPR                              (1 << 4)
+#define DANUBE_IOM_MASKH_XMR                              (1 << 3)
+#define DANUBE_IOM_MASKH_XDU                              (1 << 2)
+
+/***Status Register***/
+#define DANUBE_IOM_STAR                         ((volatile u32*)(DANUBE_IOM+ 0x0084))
+#define DANUBE_IOM_STAR_XDOV                            (1 << 7)
+#define DANUBE_IOM_STAR_XFW                              (1 << 6)
+#define DANUBE_IOM_STAR_RACI                            (1 << 3)
+#define DANUBE_IOM_STAR_XACI                            (1 << 1)
+
+/***Command Register***/
+#define DANUBE_IOM_CMDR                         ((volatile u32*)(DANUBE_IOM+ 0x0084))
+#define DANUBE_IOM_CMDR_RMC                              (1 << 7)
+#define DANUBE_IOM_CMDR_RRES                            (1 << 6)
+#define DANUBE_IOM_CMDR_XTF                              (1 << 3)
+#define DANUBE_IOM_CMDR_XME                              (1 << 1)
+#define DANUBE_IOM_CMDR_XRES                            (1 << 0)
+
+/***Mode Register***/
+#define DANUBE_IOM_MODEH                        ((volatile u32*)(DANUBE_IOM+ 0x0088))
+#define DANUBE_IOM_MODEH_MDS2                            (1 << 7)
+#define DANUBE_IOM_MODEH_MDS1                            (1 << 6)
+#define DANUBE_IOM_MODEH_MDS0                            (1 << 5)
+#define DANUBE_IOM_MODEH_RAC                              (1 << 3)
+#define DANUBE_IOM_MODEH_DIM2                            (1 << 2)
+#define DANUBE_IOM_MODEH_DIM1                            (1 << 1)
+#define DANUBE_IOM_MODEH_DIM0                            (1 << 0)
+
+/***Extended Mode Register***/
+#define DANUBE_IOM_EXMR                         ((volatile u32*)(DANUBE_IOM+ 0x008C))
+#define DANUBE_IOM_EXMR_XFBS                            (1 << 7)
+#define DANUBE_IOM_EXMR_RFBS (value)               (((( 1 << 2) - 1) & (value)) << 5)
+#define DANUBE_IOM_EXMR_SRA                              (1 << 4)
+#define DANUBE_IOM_EXMR_XCRC                            (1 << 3)
+#define DANUBE_IOM_EXMR_RCRC                            (1 << 2)
+#define DANUBE_IOM_EXMR_ITF                              (1 << 0)
+
+/***SAPI1 Register***/
+#define DANUBE_IOM_SAP1                         ((volatile u32*)(DANUBE_IOM+ 0x0094))
+#define DANUBE_IOM_SAP1_SAPI1 (value)              (((( 1 << 6) - 1) & (value)) << 2)
+#define DANUBE_IOM_SAP1_MHA                              (1 << 0)
+
+/***Receive Frame Byte Count Low***/
+#define DANUBE_IOM_RBCL                         ((volatile u32*)(DANUBE_IOM+ 0x0098))
+#define DANUBE_IOM_RBCL_RBC(value)              (1 << value)
+
+/***SAPI2 Register***/
+#define DANUBE_IOM_SAP2                         ((volatile u32*)(DANUBE_IOM+ 0x0098))
+#define DANUBE_IOM_SAP2_SAPI2 (value)              (((( 1 << 6) - 1) & (value)) << 2)
+#define DANUBE_IOM_SAP2_MLA                              (1 << 0)
+
+/***Receive Frame Byte Count High***/
+#define DANUBE_IOM_RBCH                         ((volatile u32*)(DANUBE_IOM+ 0x009C))
+#define DANUBE_IOM_RBCH_OV                              (1 << 4)
+#define DANUBE_IOM_RBCH_RBC11                          (1 << 3)
+#define DANUBE_IOM_RBCH_RBC10                          (1 << 2)
+#define DANUBE_IOM_RBCH_RBC9                            (1 << 1)
+#define DANUBE_IOM_RBCH_RBC8                            (1 << 0)
+
+/***TEI1 Register 1***/
+#define DANUBE_IOM_TEI1                         ((volatile u32*)(DANUBE_IOM+ 0x009C))
+#define DANUBE_IOM_TEI1_TEI1 (value)               (((( 1 << 7) - 1) & (value)) << 1)
+#define DANUBE_IOM_TEI1_EA                              (1 << 0)
+
+/***Receive Status Register***/
+#define DANUBE_IOM_RSTA                         ((volatile u32*)(DANUBE_IOM+ 0x00A0))
+#define DANUBE_IOM_RSTA_VFR                              (1 << 7)
+#define DANUBE_IOM_RSTA_RDO                              (1 << 6)
+#define DANUBE_IOM_RSTA_CRC                              (1 << 5)
+#define DANUBE_IOM_RSTA_RAB                              (1 << 4)
+#define DANUBE_IOM_RSTA_SA1                              (1 << 3)
+#define DANUBE_IOM_RSTA_SA0                              (1 << 2)
+#define DANUBE_IOM_RSTA_TA                              (1 << 0)
+#define DANUBE_IOM_RSTA_CR                              (1 << 1)
+
+/***TEI2 Register***/
+#define DANUBE_IOM_TEI2                         ((volatile u32*)(DANUBE_IOM+ 0x00A0))
+#define DANUBE_IOM_TEI2_TEI2 (value)               (((( 1 << 7) - 1) & (value)) << 1)
+#define DANUBE_IOM_TEI2_EA                              (1 << 0)
+
+/***Test Mode Register HDLC***/
+#define DANUBE_IOM_TMH                          ((volatile u32*)(DANUBE_IOM+ 0x00A4))
+#define DANUBE_IOM_TMH_TLP                              (1 << 0)
+
+/***Command/Indication Receive 0***/
+#define DANUBE_IOM_CIR0                         ((volatile u32*)(DANUBE_IOM+ 0x00B8))
+#define DANUBE_IOM_CIR0_CODR0 (value)              (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_IOM_CIR0_CIC0                            (1 << 3)
+#define DANUBE_IOM_CIR0_CIC1                            (1 << 2)
+#define DANUBE_IOM_CIR0_SG                              (1 << 1)
+#define DANUBE_IOM_CIR0_BAS                              (1 << 0)
+
+/***Command/Indication Transmit 0***/
+#define DANUBE_IOM_CIX0                         ((volatile u32*)(DANUBE_IOM+ 0x00B8))
+#define DANUBE_IOM_CIX0_CODX0 (value)              (((( 1 << 4) - 1) & (value)) << 4)
+#define DANUBE_IOM_CIX0_TBA2                            (1 << 3)
+#define DANUBE_IOM_CIX0_TBA1                            (1 << 2)
+#define DANUBE_IOM_CIX0_TBA0                            (1 << 1)
+#define DANUBE_IOM_CIX0_BAC                              (1 << 0)
+
+/***Command/Indication Receive 1***/
+#define DANUBE_IOM_CIR1                         ((volatile u32*)(DANUBE_IOM+ 0x00BC))
+#define DANUBE_IOM_CIR1_CODR1 (value)              (((( 1 << 6) - 1) & (value)) << 2)
+
+/***Command/Indication Transmit 1***/
+#define DANUBE_IOM_CIX1                         ((volatile u32*)(DANUBE_IOM+ 0x00BC))
+#define DANUBE_IOM_CIX1_CODX1 (value)              (((( 1 << 6) - 1) & (value)) << 2)
+#define DANUBE_IOM_CIX1_CICW                            (1 << 1)
+#define DANUBE_IOM_CIX1_CI1E                            (1 << 0)
+
+/***Controller Data Access Reg. (CH10)***/
+#define DANUBE_IOM_CDA10                        ((volatile u32*)(DANUBE_IOM+ 0x0100))
+#define DANUBE_IOM_CDA10_CDA (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Controller Data Access Reg. (CH11)***/
+#define DANUBE_IOM_CDA11                        ((volatile u32*)(DANUBE_IOM+ 0x0104))
+#define DANUBE_IOM_CDA11_CDA (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Controller Data Access Reg. (CH20)***/
+#define DANUBE_IOM_CDA20                        ((volatile u32*)(DANUBE_IOM+ 0x0108))
+#define DANUBE_IOM_CDA20_CDA (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Controller Data Access Reg. (CH21)***/
+#define DANUBE_IOM_CDA21                        ((volatile u32*)(DANUBE_IOM+ 0x010C))
+#define DANUBE_IOM_CDA21_CDA (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH10)***/
+#define DANUBE_IOM_CDA_TSDP10                   ((volatile u32*)(DANUBE_IOM+ 0x0110))
+#define DANUBE_IOM_CDA_TSDP10_DPS                              (1 << 7)
+#define DANUBE_IOM_CDA_TSDP10_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH11)***/
+#define DANUBE_IOM_CDA_TSDP11                   ((volatile u32*)(DANUBE_IOM+ 0x0114))
+#define DANUBE_IOM_CDA_TSDP11_DPS                              (1 << 7)
+#define DANUBE_IOM_CDA_TSDP11_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH20)***/
+#define DANUBE_IOM_CDA_TSDP20                   ((volatile u32*)(DANUBE_IOM+ 0x0118))
+#define DANUBE_IOM_CDA_TSDP20_DPS                              (1 << 7)
+#define DANUBE_IOM_CDA_TSDP20_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH21)***/
+#define DANUBE_IOM_CDA_TSDP21                   ((volatile u32*)(DANUBE_IOM+ 0x011C))
+#define DANUBE_IOM_CDA_TSDP21_DPS                              (1 << 7)
+#define DANUBE_IOM_CDA_TSDP21_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH10)***/
+#define DANUBE_IOM_CO_TSDP10                    ((volatile u32*)(DANUBE_IOM+ 0x0120))
+#define DANUBE_IOM_CO_TSDP10_DPS                              (1 << 7)
+#define DANUBE_IOM_CO_TSDP10_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH11)***/
+#define DANUBE_IOM_CO_TSDP11                    ((volatile u32*)(DANUBE_IOM+ 0x0124))
+#define DANUBE_IOM_CO_TSDP11_DPS                              (1 << 7)
+#define DANUBE_IOM_CO_TSDP11_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH20)***/
+#define DANUBE_IOM_CO_TSDP20                    ((volatile u32*)(DANUBE_IOM+ 0x0128))
+#define DANUBE_IOM_CO_TSDP20_DPS                              (1 << 7)
+#define DANUBE_IOM_CO_TSDP20_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Time Slot and Data Port Sel. (CH21)***/
+#define DANUBE_IOM_CO_TSDP21                    ((volatile u32*)(DANUBE_IOM+ 0x012C))
+#define DANUBE_IOM_CO_TSDP21_DPS                              (1 << 7)
+#define DANUBE_IOM_CO_TSDP21_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Ctrl. Reg. Contr. Data Access CH1x***/
+#define DANUBE_IOM_CDA1_CR                      ((volatile u32*)(DANUBE_IOM+ 0x0138))
+#define DANUBE_IOM_CDA1_CR_EN_TBM                        (1 << 5)
+#define DANUBE_IOM_CDA1_CR_EN_I1                          (1 << 4)
+#define DANUBE_IOM_CDA1_CR_EN_I0                          (1 << 3)
+#define DANUBE_IOM_CDA1_CR_EN_O1                          (1 << 2)
+#define DANUBE_IOM_CDA1_CR_EN_O0                          (1 << 1)
+#define DANUBE_IOM_CDA1_CR_SWAP                            (1 << 0)
+
+/***Ctrl. Reg. Contr. Data Access CH1x***/
+#define DANUBE_IOM_CDA2_CR                      ((volatile u32*)(DANUBE_IOM+ 0x013C))
+#define DANUBE_IOM_CDA2_CR_EN_TBM                        (1 << 5)
+#define DANUBE_IOM_CDA2_CR_EN_I1                          (1 << 4)
+#define DANUBE_IOM_CDA2_CR_EN_I0                          (1 << 3)
+#define DANUBE_IOM_CDA2_CR_EN_O1                          (1 << 2)
+#define DANUBE_IOM_CDA2_CR_EN_O0                          (1 << 1)
+#define DANUBE_IOM_CDA2_CR_SWAP                            (1 << 0)
+
+/***Control Register B-Channel Data***/
+#define DANUBE_IOM_BCHA_CR                      ((volatile u32*)(DANUBE_IOM+ 0x0144))
+#define DANUBE_IOM_BCHA_CR_EN_BC2                        (1 << 4)
+#define DANUBE_IOM_BCHA_CR_EN_BC1                        (1 << 3)
+
+/***Control Register B-Channel Data***/
+#define DANUBE_IOM_BCHB_CR                      ((volatile u32*)(DANUBE_IOM+ 0x0148))
+#define DANUBE_IOM_BCHB_CR_EN_BC2                        (1 << 4)
+#define DANUBE_IOM_BCHB_CR_EN_BC1                        (1 << 3)
+
+/***Control Reg. for HDLC and CI1 Data***/
+#define DANUBE_IOM_DCI_CR                       ((volatile u32*)(DANUBE_IOM+ 0x014C))
+#define DANUBE_IOM_DCI_CR_DPS_CI1                      (1 << 7)
+#define DANUBE_IOM_DCI_CR_EN_CI1                        (1 << 6)
+#define DANUBE_IOM_DCI_CR_EN_D                            (1 << 5)
+
+/***Control Reg. for HDLC and CI1 Data***/
+#define DANUBE_IOM_DCIC_CR                      ((volatile u32*)(DANUBE_IOM+ 0x014C))
+#define DANUBE_IOM_DCIC_CR_DPS_CI0                      (1 << 7)
+#define DANUBE_IOM_DCIC_CR_EN_CI0                        (1 << 6)
+#define DANUBE_IOM_DCIC_CR_DPS_D                          (1 << 5)
+
+/***Control Reg. Serial Data Strobe x***/
+#define DANUBE_IOM_SDS_CR                       ((volatile u32*)(DANUBE_IOM+ 0x0154))
+#define DANUBE_IOM_SDS_CR_ENS_TSS                      (1 << 7)
+#define DANUBE_IOM_SDS_CR_ENS_TSS_1                  (1 << 6)
+#define DANUBE_IOM_SDS_CR_ENS_TSS_3                  (1 << 5)
+#define DANUBE_IOM_SDS_CR_TSS (value)                (((( 1 << 4) - 1) & (value)) << 0)
+
+/***Control Register IOM Data***/
+#define DANUBE_IOM_IOM_CR                       ((volatile u32*)(DANUBE_IOM+ 0x015C))
+#define DANUBE_IOM_IOM_CR_SPU                              (1 << 7)
+#define DANUBE_IOM_IOM_CR_CI_CS                          (1 << 5)
+#define DANUBE_IOM_IOM_CR_TIC_DIS                      (1 << 4)
+#define DANUBE_IOM_IOM_CR_EN_BCL                        (1 << 3)
+#define DANUBE_IOM_IOM_CR_CLKM                            (1 << 2)
+#define DANUBE_IOM_IOM_CR_Res                              (1 << 1)
+#define DANUBE_IOM_IOM_CR_DIS_IOM                      (1 << 0)
+
+/***Synchronous Transfer Interrupt***/
+#define DANUBE_IOM_STI                          ((volatile u32*)(DANUBE_IOM+ 0x0160))
+#define DANUBE_IOM_STI_STOV21                        (1 << 7)
+#define DANUBE_IOM_STI_STOV20                        (1 << 6)
+#define DANUBE_IOM_STI_STOV11                        (1 << 5)
+#define DANUBE_IOM_STI_STOV10                        (1 << 4)
+#define DANUBE_IOM_STI_STI21                          (1 << 3)
+#define DANUBE_IOM_STI_STI20                          (1 << 2)
+#define DANUBE_IOM_STI_STI11                          (1 << 1)
+#define DANUBE_IOM_STI_STI10                          (1 << 0)
+
+/***Acknowledge Synchronous Transfer Interrupt***/
+#define DANUBE_IOM_ASTI                         ((volatile u32*)(DANUBE_IOM+ 0x0160))
+#define DANUBE_IOM_ASTI_ACK21                          (1 << 3)
+#define DANUBE_IOM_ASTI_ACK20                          (1 << 2)
+#define DANUBE_IOM_ASTI_ACK11                          (1 << 1)
+#define DANUBE_IOM_ASTI_ACK10                          (1 << 0)
+
+/***Mask Synchronous Transfer Interrupt***/
+#define DANUBE_IOM_MSTI                         ((volatile u32*)(DANUBE_IOM+ 0x0164))
+#define DANUBE_IOM_MSTI_STOV21                        (1 << 7)
+#define DANUBE_IOM_MSTI_STOV20                        (1 << 6)
+#define DANUBE_IOM_MSTI_STOV11                        (1 << 5)
+#define DANUBE_IOM_MSTI_STOV10                        (1 << 4)
+#define DANUBE_IOM_MSTI_STI21                          (1 << 3)
+#define DANUBE_IOM_MSTI_STI20                          (1 << 2)
+#define DANUBE_IOM_MSTI_STI11                          (1 << 1)
+#define DANUBE_IOM_MSTI_STI10                          (1 << 0)
+
+/***Configuration Register for Serial Data Strobes***/
+#define DANUBE_IOM_SDS_CONF                    ((volatile u32*)(DANUBE_IOM+ 0x0168))
+#define DANUBE_IOM_SDS_CONF_SDS_BCL                      (1 << 0)
+
+/***Monitoring CDA Bits***/
+#define DANUBE_IOM_MCDA                         ((volatile u32*)(DANUBE_IOM+ 0x016C))
+#define DANUBE_IOM_MCDA_MCDA21 (value)             (((( 1 << 2) - 1) & (value)) << 6)
+#define DANUBE_IOM_MCDA_MCDA20 (value)             (((( 1 << 2) - 1) & (value)) << 4)
+#define DANUBE_IOM_MCDA_MCDA11 (value)             (((( 1 << 2) - 1) & (value)) << 2)
+#define DANUBE_IOM_MCDA_MCDA10 (value)             (((( 1 << 2) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  ASC0 register address and bits                      */
+/***********************************************************************/
+#define DANUBE_ASC0                          (KSEG1+0x1E100400)
+/***********************************************************************/
+#define DANUBE_ASC0_TBUF                        ((volatile u32*)(DANUBE_ASC0 + 0x0020))
+#define DANUBE_ASC0_RBUF                        ((volatile u32*)(DANUBE_ASC0 + 0x0024))
+#define DANUBE_ASC0_FSTAT                       ((volatile u32*)(DANUBE_ASC0 + 0x0048))
+#define DANUBE_ASC0_FSTAT_TXFREE_GET(value)     (((value) >> 24) & ((1 << 6) - 1))
+#define DANUBE_ASC0_FSTAT_TXFREE_SET(value)     (((( 1 << 6) - 1) & (value)) << 24)
+#define DANUBE_ASC0_FSTAT_RXFREE_GET(value)     (((value) >> 16) & ((1 << 6) - 1))
+#define DANUBE_ASC0_FSTAT_RXFREE_SET(value)     (((( 1 << 6) - 1) & (value)) << 16)
+#define DANUBE_ASC0_FSTAT_TXFFL_GET(value)      (((value) >> 8) & ((1 << 6) - 1))
+#define DANUBE_ASC0_FSTAT_TXFFL_SET(value)      (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_ASC0_FSTAT_RXFFL_GET(value)      (((value) >> 0) & ((1 << 6) - 1))
+#define DANUBE_ASC0_FSTAT_RXFFL_SET(value)      (((( 1 << 6) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  ASC1 register address and bits                      */
+/***********************************************************************/
+
+#define DANUBE_ASC1                          (KSEG1+0x1E100C00)
+/***********************************************************************/
+/***ASC Clock Control Register***/
+#define DANUBE_ASC1_CLC                      ((volatile u32*)(DANUBE_ASC1+ 0x0000))
+#define DANUBE_ASC1_CLC_RMC(value)                (((( 1 << 8) - 1) & (value)) << 8)
+#define DANUBE_ASC1_CLC_DISS                            (1 << 1)
+#define DANUBE_ASC1_CLC_DISR                            (1 << 0)
+
+/***ASC Port Input Select Register***/
+#define DANUBE_ASC1_PISEL                    ((volatile u32*)(DANUBE_ASC1+ 0x0004))
+#define DANUBE_ASC1_PISEL                    ((volatile u32*)(DANUBE_ASC1+ 0x0004))
+#define DANUBE_ASC1_PISEL_RIS                              (1 << 0)
+
+/***ASC Control Register***/
+#define DANUBE_ASC1_CON                      ((volatile u32*)(DANUBE_ASC1+ 0x0010))
+#define DANUBE_ASC1_CON_BEN                              (1 << 20)
+#define DANUBE_ASC1_CON_TOEN                              (1 << 20)
+#define DANUBE_ASC1_CON_ROEN                              (1 << 19)
+#define DANUBE_ASC1_CON_RUEN                              (1 << 18)
+#define DANUBE_ASC1_CON_FEN                              (1 << 17)
+#define DANUBE_ASC1_CON_PAL                              (1 << 16)
+#define DANUBE_ASC1_CON_R                              (1 << 15)
+#define DANUBE_ASC1_CON_ACO                             (1 << 14)
+#define DANUBE_ASC1_CON_LB                              (1 << 13)
+#define DANUBE_ASC1_CON_ERCLK                             (1 << 10)
+#define DANUBE_ASC1_CON_FDE                              (1 << 9)
+#define DANUBE_ASC1_CON_BRS                              (1 << 8)
+#define DANUBE_ASC1_CON_STP                              (1 << 7)
+#define DANUBE_ASC1_CON_SP                              (1 << 6)
+#define DANUBE_ASC1_CON_ODD                              (1 << 5)
+#define DANUBE_ASC1_CON_PEN                              (1 << 4)
+#define DANUBE_ASC1_CON_M(value)                (((( 1 << 3) - 1) & (value)) << 0)
+
+/***ASC Staus Register***/
+#define DANUBE_ASC1_STATE                      ((volatile u32*)(DANUBE_ASC1+ 0x0014))
+/***ASC Write Hardware Modified Control Register***/
+#define DANUBE_ASC1_WHBSTATE                   ((volatile u32*)(DANUBE_ASC1+ 0x0018))
+#define DANUBE_ASC1_WHBSTATE_SETBE                          (1 << 113)
+#define DANUBE_ASC1_WHBSTATE_SETTOE                          (1 << 12)
+#define DANUBE_ASC1_WHBSTATE_SETROE                          (1 << 11)
+#define DANUBE_ASC1_WHBSTATE_SETRUE                          (1 << 10)
+#define DANUBE_ASC1_WHBSTATE_SETFE                          (1 << 19)
+#define DANUBE_ASC1_WHBSTATE_SETPE                          (1 << 18)
+#define DANUBE_ASC1_WHBSTATE_CLRBE                          (1 << 17)
+#define DANUBE_ASC1_WHBSTATE_CLRTOE                          (1 << 6)
+#define DANUBE_ASC1_WHBSTATE_CLRROE                          (1 << 5)
+#define DANUBE_ASC1_WHBSTATE_CLRRUE                          (1 << 4)
+#define DANUBE_ASC1_WHBSTATE_CLRFE                          (1 << 3)
+#define DANUBE_ASC1_WHBSTATE_CLRPE                          (1 << 2)
+#define DANUBE_ASC1_WHBSTATE_SETREN                        (1 << 1)
+#define DANUBE_ASC1_WHBSTATE_CLRREN                        (1 << 0)
+
+/***ASC Baudrate Timer/Reload Register***/
+#define DANUBE_ASC1_BG                      ((volatile u32*)(DANUBE_ASC1+ 0x0050))
+#define DANUBE_ASC1_BG_BR_VALUE(value)          (((( 1 << 13) - 1) & (value)) << 0)
+
+/***ASC Fractional Divider Register***/
+#define DANUBE_ASC1_FDV                      ((volatile u32*)(DANUBE_ASC1+ 0x0018))
+#define DANUBE_ASC1_FDV_FD_VALUE(value)          (((( 1 << 9) - 1) & (value)) << 0)
+
+/***ASC Transmit Buffer Register***/
+#define DANUBE_ASC1_TBUF                    ((volatile u32*)(DANUBE_ASC1+ 0x0020))
+#define DANUBE_ASC1_TBUF_TD_VALUE(value)          (((( 1 << 9) - 1) & (value)) << 0)
+
+/***ASC Receive Buffer Register***/
+#define DANUBE_ASC1_RBUF                    ((volatile u32*)(DANUBE_ASC1+ 0x0024))
+#define DANUBE_ASC1_RBUF_RD_VALUE(value)          (((( 1 << 9) - 1) & (value)) << 0)
+
+/***ASC Autobaud Control Register***/
+#define DANUBE_ASC1_ABCON                    ((volatile u32*)(DANUBE_ASC1+ 0x0030))
+#define DANUBE_ASC1_ABCON_RXINV                          (1 << 11)
+#define DANUBE_ASC1_ABCON_TXINV                          (1 << 10)
+#define DANUBE_ASC1_ABCON_ABEM(value)               (((( 1 << 2) - 1) & (value)) << 8)
+#define DANUBE_ASC1_ABCON_FCDETEN                      (1 << 4)
+#define DANUBE_ASC1_ABCON_ABDETEN                      (1 << 3)
+#define DANUBE_ASC1_ABCON_ABSTEN                        (1 << 2)
+#define DANUBE_ASC1_ABCON_AUREN                          (1 << 1)
+#define DANUBE_ASC1_ABCON_ABEN                            (1 << 0)
+
+/***Receive FIFO Control Register***/
+#define DANUBE_ASC1_RXFCON                       ((volatile u32*)(DANUBE_ASC1+ 0x0040))
+#define DANUBE_ASC1_RXFCON_RXFITL(value)             (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_ASC1_RXFCON_RXFFLU                        (1 << 1)
+#define DANUBE_ASC1_RXFCON_RXFEN                          (1 << 0)
+
+/***Transmit FIFO Control Register***/
+#define DANUBE_ASC1_TXFCON                       ((volatile u32*)(DANUBE_ASC1+ 0x0044))
+#define DANUBE_ASC1_TXFCON_TXFITL(value)             (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_ASC1_TXFCON_TXFFLU                        (1 << 1)
+#define DANUBE_ASC1_TXFCON_TXFEN                          (1 << 0)
+
+/***FIFO Status Register***/
+#define DANUBE_ASC1_FSTAT                        ((volatile u32*)(DANUBE_ASC1+ 0x0048))
+#define DANUBE_ASC1_FSTAT_TXFFL(value)              (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_ASC1_FSTAT_RXFFL(value)              (((( 1 << 6) - 1) & (value)) << 0)
+#define DANUBE_ASC1_FSTAT_TXFREE_GET(value)     (((value) >> 24) & ((1 << 6) - 1))
+#define DANUBE_ASC1_FSTAT_TXFREE_SET(value)     (((( 1 << 6) - 1) & (value)) << 24)
+#define DANUBE_ASC1_FSTAT_RXFREE_GET(value)     (((value) >> 16) & ((1 << 6) - 1))
+#define DANUBE_ASC1_FSTAT_RXFREE_SET(value)     (((( 1 << 6) - 1) & (value)) << 16)
+#define DANUBE_ASC1_FSTAT_TXFFL_GET(value)      (((value) >> 8) & ((1 << 6) - 1))
+#define DANUBE_ASC1_FSTAT_TXFFL_SET(value)      (((( 1 << 6) - 1) & (value)) << 8)
+#define DANUBE_ASC1_FSTAT_RXFFL_GET(value)      (((value) >> 0) & ((1 << 6) - 1))
+#define DANUBE_ASC1_FSTAT_RXFFL_SET(value)      (((( 1 << 6) - 1) & (value)) << 0)
+
+/***ASC Autobaud Status Register***/
+#define DANUBE_ASC1_ABSTAT                   ((volatile u32*)(DANUBE_ASC1+ 0x0034))
+#define DANUBE_ASC1_ABSTAT_DETWAIT                      (1 << 4)
+#define DANUBE_ASC1_ABSTAT_SCCDET                        (1 << 3)
+#define DANUBE_ASC1_ABSTAT_SCSDET                        (1 << 2)
+#define DANUBE_ASC1_ABSTAT_FCCDET                        (1 << 1)
+#define DANUBE_ASC1_ABSTAT_FCSDET                        (1 << 0)
+
+/***ASC Write HW Modified Autobaud Status Register***/
+#define DANUBE_ASC1_WHBABSTAT                 ((volatile u32*)(DANUBE_ASC1+ 0x003C))
+#define DANUBE_ASC1_WHBABSTAT_SETDETWAIT                (1 << 9)
+#define DANUBE_ASC1_WHBABSTAT_CLRDETWAIT                (1 << 8)
+#define DANUBE_ASC1_WHBABSTAT_SETSCCDET                  (1 << 7)
+#define DANUBE_ASC1_WHBABSTAT_CLRSCCDET                  (1 << 6)
+#define DANUBE_ASC1_WHBABSTAT_SETSCSDET                  (1 << 5)
+#define DANUBE_ASC1_WHBABSTAT_CLRSCSDET                  (1 << 4)
+#define DANUBE_ASC1_WHBABSTAT_SETFCCDET                  (1 << 3)
+#define DANUBE_ASC1_WHBABSTAT_CLRFCCDET                  (1 << 2)
+#define DANUBE_ASC1_WHBABSTAT_SETFCSDET                  (1 << 1)
+#define DANUBE_ASC1_WHBABSTAT_CLRFCSDET                  (1 << 0)
+
+/***ASC IRNCR0 **/
+#define DANUBE_ASC1_IRNREN			((volatile u32*)(DANUBE_ASC1+ 0x00F4))
+#define DANUBE_ASC1_IRNICR			((volatile u32*)(DANUBE_ASC1+ 0x00FC))
+/***ASC IRNCR1 **/
+#define DANUBE_ASC1_IRNCR			((volatile u32*)(DANUBE_ASC1+ 0x00F8))
+#define ASC_IRNCR_TIR	0x4
+#define ASC_IRNCR_RIR	0x2
+#define ASC_IRNCR_EIR	0x4
+
+/***********************************************************************/
+/*  Module      :  DMA register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_DMA                          (0xBE104100)
+/***********************************************************************/
+
+#define DANUBE_DMA_BASE                 DANUBE_DMA
+#define DANUBE_DMA_CLC                  (volatile u32*)DANUBE_DMA_BASE
+#define DANUBE_DMA_ID                   (volatile u32*)(DANUBE_DMA_BASE+0x08)
+#define DANUBE_DMA_CTRL                 (volatile u32*)(DANUBE_DMA_BASE+0x10)
+#define DANUBE_DMA_CPOLL                (volatile u32*)(DANUBE_DMA_BASE+0x14)
+#define DANUBE_DMA_CS                   (volatile u32*)(DANUBE_DMA_BASE+0x18)
+#define DANUBE_DMA_CCTRL                (volatile u32*)(DANUBE_DMA_BASE+0x1C)
+#define DANUBE_DMA_CDBA                 (volatile u32*)(DANUBE_DMA_BASE+0x20)
+#define DANUBE_DMA_CDLEN                (volatile u32*)(DANUBE_DMA_BASE+0x24)
+#define DANUBE_DMA_CIS                  (volatile u32*)(DANUBE_DMA_BASE+0x28)
+#define DANUBE_DMA_CIE                  (volatile u32*)(DANUBE_DMA_BASE+0x2C)
+
+#define DANUBE_DMA_PS                   (volatile u32*)(DANUBE_DMA_BASE+0x40)
+#define DANUBE_DMA_PCTRL                (volatile u32*)(DANUBE_DMA_BASE+0x44)
+
+#define DANUBE_DMA_IRNEN                (volatile u32*)(DANUBE_DMA_BASE+0xf4)
+#define DANUBE_DMA_IRNCR                (volatile u32*)(DANUBE_DMA_BASE+0xf8)
+#define DANUBE_DMA_IRNICR               (volatile u32*)(DANUBE_DMA_BASE+0xfc)
+/***********************************************************************/
+/*  Module      :  Debug register address and bits                     */
+/***********************************************************************/
+
+#define DANUBE_Debug                        (0xBF106000)
+/***********************************************************************/
+
+/***MCD Break Bus Switch Register***/
+#define DANUBE_Debug_MCD_BBS                      ((volatile u32*)(DANUBE_Debug+ 0x0000))
+#define DANUBE_Debug_MCD_BBS_BTP1                            (1 << 19)
+#define DANUBE_Debug_MCD_BBS_BTP0                            (1 << 18)
+#define DANUBE_Debug_MCD_BBS_BSP1                            (1 << 17)
+#define DANUBE_Debug_MCD_BBS_BSP0                            (1 << 16)
+#define DANUBE_Debug_MCD_BBS_BT5EN                          (1 << 15)
+#define DANUBE_Debug_MCD_BBS_BT4EN                          (1 << 14)
+#define DANUBE_Debug_MCD_BBS_BT5                              (1 << 13)
+#define DANUBE_Debug_MCD_BBS_BT4                              (1 << 12)
+#define DANUBE_Debug_MCD_BBS_BS5EN                          (1 << 7)
+#define DANUBE_Debug_MCD_BBS_BS4EN                          (1 << 6)
+#define DANUBE_Debug_MCD_BBS_BS5                              (1 << 5)
+#define DANUBE_Debug_MCD_BBS_BS4                              (1 << 4)
+
+/***MCD Multiplexer Control Register***/
+#define DANUBE_Debug_MCD_MCR                      ((volatile u32*)(DANUBE_Debug+ 0x0008))
+#define DANUBE_Debug_MCD_MCR_MUX5                            (1 << 4)
+#define DANUBE_Debug_MCD_MCR_MUX4                            (1 << 3)
+#define DANUBE_Debug_MCD_MCR_MUX1                            (1 << 0)
+
+/***********************************************************************/
+/*  Module      :  SRAM register address and bits                      */
+/***********************************************************************/
+
+#define DANUBE_SRAM                         (0xBF980000)
+/***********************************************************************/
+
+/***SRAM Size Register***/
+#define DANUBE_SRAM_SRAM_SIZE                    ((volatile u32*)(DANUBE_SRAM+ 0x0800))
+#define DANUBE_SRAM_SRAM_SIZE_SIZE (value)               (((( 1 << 23) - 1) & (value)) << 0)
+
+/***********************************************************************/
+/*  Module      :  BIU register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_BIU                          (0xBFA80000)
+/***********************************************************************/
+
+/***BIU Identification Register***/
+#define DANUBE_BIU_BIU_ID                       ((volatile u32*)(DANUBE_BIU+ 0x0000))
+#define DANUBE_BIU_BIU_ID_ARCH                            (1 << 16)
+#define DANUBE_BIU_BIU_ID_ID (value)                (((( 1 << 8) - 1) & (value)) << 8)
+#define DANUBE_BIU_BIU_ID_REV (value)                (((( 1 << 8) - 1) & (value)) << 0)
+
+/***BIU Access Error Cause Register***/
+#define DANUBE_BIU_BIU_ERRCAUSE                 ((volatile u32*)(DANUBE_BIU+ 0x0100))
+#define DANUBE_BIU_BIU_ERRCAUSE_ERR                              (1 << 31)
+#define DANUBE_BIU_BIU_ERRCAUSE_PORT (value)               (((( 1 << 4) - 1) & (value)) << 16)
+#define DANUBE_BIU_BIU_ERRCAUSE_CAUSE (value)              (((( 1 << 2) - 1) & (value)) << 0)
+
+/***BIU Access Error Address Register***/
+#define DANUBE_BIU_BIU_ERRADDR                  ((volatile u32*)(DANUBE_BIU+ 0x0108))
+#define DANUBE_BIU_BIU_ERRADDR_ADDR
+
+/***********************************************************************/
+/*  Module      :  ICU register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_ICU                          (0xBF880200)
+/***********************************************************************/
+#define DANUBE_ICU_IM0_ISR                      ((volatile u32*)(DANUBE_ICU + 0x0000))
+#define DANUBE_ICU_IM0_IER                      ((volatile u32*)(DANUBE_ICU + 0x0008))
+#define DANUBE_ICU_IM0_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x0010))
+#define DANUBE_ICU_IM0_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x0018))
+#define DANUBE_ICU_IM0_IMR                      ((volatile u32*)(DANUBE_ICU + 0x0020))
+#define DANUBE_ICU_IM0_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM0_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM0_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM0_IR(value)                (1 << (value))
+
+#define DANUBE_ICU_IM1_ISR                      ((volatile u32*)(DANUBE_ICU + 0x0028))
+#define DANUBE_ICU_IM1_IER                      ((volatile u32*)(DANUBE_ICU + 0x0030))
+#define DANUBE_ICU_IM1_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x0038))
+#define DANUBE_ICU_IM1_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x0040))
+#define DANUBE_ICU_IM1_IMR                      ((volatile u32*)(DANUBE_ICU + 0x0048))
+#define DANUBE_ICU_IM1_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM1_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM1_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM1_IR(value)                (1 << (value))
+
+#define DANUBE_ICU_IM2_ISR                      ((volatile u32*)(DANUBE_ICU + 0x0050))
+#define DANUBE_ICU_IM2_IER                      ((volatile u32*)(DANUBE_ICU + 0x0058))
+#define DANUBE_ICU_IM2_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x0060))
+#define DANUBE_ICU_IM2_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x0068))
+#define DANUBE_ICU_IM2_IMR                      ((volatile u32*)(DANUBE_ICU + 0x0070))
+#define DANUBE_ICU_IM2_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM2_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM2_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM2_IR(value)                (1 << (value))
+
+#define DANUBE_ICU_IM3_ISR                      ((volatile u32*)(DANUBE_ICU + 0x0078))
+#define DANUBE_ICU_IM3_IER                      ((volatile u32*)(DANUBE_ICU + 0x0080))
+#define DANUBE_ICU_IM3_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x0088))
+#define DANUBE_ICU_IM3_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x0090))
+#define DANUBE_ICU_IM3_IMR                      ((volatile u32*)(DANUBE_ICU + 0x0098))
+#define DANUBE_ICU_IM3_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM3_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM3_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM3_IR(value)                (1 << (value))
+
+#define DANUBE_ICU_IM4_ISR                      ((volatile u32*)(DANUBE_ICU + 0x00A0))
+#define DANUBE_ICU_IM4_IER                      ((volatile u32*)(DANUBE_ICU + 0x00A8))
+#define DANUBE_ICU_IM4_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x00B0))
+#define DANUBE_ICU_IM4_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x00B8))
+#define DANUBE_ICU_IM4_IMR                      ((volatile u32*)(DANUBE_ICU + 0x00C0))
+#define DANUBE_ICU_IM4_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM4_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM4_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM4_IR(value)                (1 << (value))
+
+#define DANUBE_ICU_IM5_ISR                      ((volatile u32*)(DANUBE_ICU + 0x00C8))
+#define DANUBE_ICU_IM5_IER                      ((volatile u32*)(DANUBE_ICU + 0x00D0))
+#define DANUBE_ICU_IM5_IOSR                     ((volatile u32*)(DANUBE_ICU + 0x00D8))
+#define DANUBE_ICU_IM5_IRSR                     ((volatile u32*)(DANUBE_ICU + 0x00E0))
+#define DANUBE_ICU_IM5_IMR                      ((volatile u32*)(DANUBE_ICU + 0x00E8))
+#define DANUBE_ICU_IM5_IMR_IID                  (1 << 31)
+#define DANUBE_ICU_IM5_IMR_IN_GET(value)        (((value) >> 0) & ((1 << 5) - 1))
+#define DANUBE_ICU_IM5_IMR_IN_SET(value)        (((( 1 << 5) - 1) & (value)) << 0)
+#define DANUBE_ICU_IM5_IR(value)                (1 << (value))
+
+/***Interrupt Vector Value Register***/
+//#define DANUBE_ICU_IM_VEC                      ((volatile u32*)(DANUBE_ICU+ 0x00f0))
+#define DANUBE_ICU_IM_VEC                      ((volatile u32*)(DANUBE_ICU+ 0x00EC))
+
+/***Interrupt Vector Value Mask***/
+#define DANUBE_ICU_IM0_VEC_MASK                0x0000001f
+#define DANUBE_ICU_IM1_VEC_MASK                0x000003e0
+#define DANUBE_ICU_IM2_VEC_MASK                0x00007c00
+#define DANUBE_ICU_IM3_VEC_MASK                0x000f8000
+#define DANUBE_ICU_IM4_VEC_MASK                0x01f00000
+
+#define DANUBE_ICU_IM0_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM0_IER_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM1_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM1_IER_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM2_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM2_IER_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM3_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM3_IER_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM4_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM4_IER_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM5_ISR_IR(value)          (1<<(value))
+#define DANUBE_ICU_IM5_IER_IR(value)          (1<<(value))
+
+/***DMA Interrupt Mask Value***/
+#define DANUBE_DMA_H_MASK			0x00000fff
+
+/***External Interrupt Control Register***/
+#define DANUBE_ICU_EIU                    (KSEG1+0x1f101000)
+#define DANUBE_ICU_EIU_EXIN_C                ((volatile u32*)(DANUBE_ICU_EIU+ 0x0000))
+#define DANUBE_ICU_EIU_INIC                  ((volatile u32*)(DANUBE_ICU_EIU+ 0x0004))
+#define DANUBE_ICU_EIU_INC                   ((volatile u32*)(DANUBE_ICU_EIU+ 0x0008))
+#define DANUBE_ICU_EIU_INEN                   ((volatile u32*)(DANUBE_ICU_EIU+ 0x000c))
+
+/***********************************************************************/
+/*  Module      :  MPS register address and bits                       */
+/***********************************************************************/
+
+#define DANUBE_MPS                          (KSEG1+0x1F107000)
+/***********************************************************************/
+
+#define DANUBE_MPS_CHIPID                       ((volatile u32*)(DANUBE_MPS + 0x0344))
+#define DANUBE_MPS_CHIPID_VERSION_GET(value)    (((value) >> 28) & ((1 << 4) - 1))
+#define DANUBE_MPS_CHIPID_VERSION_SET(value)    (((( 1 << 4) - 1) & (value)) << 28)
+#define DANUBE_MPS_CHIPID_PARTNUM_GET(value)    (((value) >> 12) & ((1 << 16) - 1))
+#define DANUBE_MPS_CHIPID_PARTNUM_SET(value)    (((( 1 << 16) - 1) & (value)) << 12)
+#define DANUBE_MPS_CHIPID_MANID_GET(value)      (((value) >> 1) & ((1 << 10) - 1))
+#define DANUBE_MPS_CHIPID_MANID_SET(value)      (((( 1 << 10) - 1) & (value)) << 1)
+
+/* voice channel 0 ... 3 interrupt enable register */
+#define DANUBE_MPS_VC0ENR ((volatile u32*)(DANUBE_MPS + 0x0000))
+#define DANUBE_MPS_VC1ENR ((volatile u32*)(DANUBE_MPS + 0x0004))
+#define DANUBE_MPS_VC2ENR ((volatile u32*)(DANUBE_MPS + 0x0008))
+#define DANUBE_MPS_VC3ENR ((volatile u32*)(DANUBE_MPS + 0x000C))
+/* voice channel 0 ... 3 interrupt status read register */
+#define DANUBE_MPS_RVC0SR ((volatile u32*)(DANUBE_MPS + 0x0010))
+#define DANUBE_MPS_RVC1SR ((volatile u32*)(DANUBE_MPS + 0x0014))
+#define DANUBE_MPS_RVC2SR ((volatile u32*)(DANUBE_MPS + 0x0018))
+#define DANUBE_MPS_RVC3SR ((volatile u32*)(DANUBE_MPS + 0x001C))
+/* voice channel 0 ... 3 interrupt status set register */
+#define DANUBE_MPS_SVC0SR ((volatile u32*)(DANUBE_MPS + 0x0020))
+#define DANUBE_MPS_SVC1SR ((volatile u32*)(DANUBE_MPS + 0x0024))
+#define DANUBE_MPS_SVC2SR ((volatile u32*)(DANUBE_MPS + 0x0028))
+#define DANUBE_MPS_SVC3SR ((volatile u32*)(DANUBE_MPS + 0x002C))
+/* voice channel 0 ... 3 interrupt status clear register */
+#define DANUBE_MPS_CVC0SR ((volatile u32*)(DANUBE_MPS + 0x0030))
+#define DANUBE_MPS_CVC1SR ((volatile u32*)(DANUBE_MPS + 0x0034))
+#define DANUBE_MPS_CVC2SR ((volatile u32*)(DANUBE_MPS + 0x0038))
+#define DANUBE_MPS_CVC3SR ((volatile u32*)(DANUBE_MPS + 0x003C))
+/* common status 0 and 1 read register */
+#define DANUBE_MPS_RAD0SR ((volatile u32*)(DANUBE_MPS + 0x0040))
+#define DANUBE_MPS_RAD1SR ((volatile u32*)(DANUBE_MPS + 0x0044))
+/* common status 0 and 1 set register */
+#define DANUBE_MPS_SAD0SR ((volatile u32*)(DANUBE_MPS + 0x0048))
+#define DANUBE_MPS_SAD1SR ((volatile u32*)(DANUBE_MPS + 0x004C))
+/* common status 0 and 1 clear register */
+#define DANUBE_MPS_CAD0SR ((volatile u32*)(DANUBE_MPS + 0x0050))
+#define DANUBE_MPS_CAD1SR ((volatile u32*)(DANUBE_MPS + 0x0054))
+/* common status 0 and 1 enable register */
+#define DANUBE_MPS_AD0ENR ((volatile u32*)(DANUBE_MPS + 0x0058))
+#define DANUBE_MPS_AD1ENR ((volatile u32*)(DANUBE_MPS + 0x005C))
+/* notification enable register */
+#define DANUBE_MPS_CPU0_NFER ((volatile u32*)(DANUBE_MPS + 0x0060))
+#define DANUBE_MPS_CPU1_NFER ((volatile u32*)(DANUBE_MPS + 0x0064))
+/* CPU to CPU interrup request register */
+#define DANUBE_MPS_CPU0_2_CPU1_IRR ((volatile u32*)(DANUBE_MPS + 0x0070))
+#define DANUBE_MPS_CPU0_2_CPU1_IER ((volatile u32*)(DANUBE_MPS + 0x0074))
+/* Global interrupt request and request enable register */
+#define DANUBE_MPS_GIRR ((volatile u32*)(DANUBE_MPS + 0x0078))
+#define DANUBE_MPS_GIER ((volatile u32*)(DANUBE_MPS + 0x007C))
+
+#define DANUBE_MPS_SRAM ((volatile u32*)(KSEG1 + 0x1F200000))
+
+#define DANUBE_MPS_VCPU_FW_AD ((volatile u32*)(KSEG1 + 0x1F2001E0))
+
+#define DANUBE_FUSE_BASE_ADDR	(KSEG1+0x1F107354)
+
+/************************************************************************/
+/*   Module       :   DEU register address and bits        		*/
+/************************************************************************/
+//#define DANUBE_DEU_BASE_ADDR               (0xBE102000)
+#define DANUBE_DEU_BASE_ADDR               (KSEG1 + 0x1E103100)
+/*   DEU Control Register */
+#define DANUBE_DEU_CLK                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0000))
+#define DANUBE_DEU_ID                      ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0008))
+
+/*   DEU control register */
+#define DANUBE_DES_CON                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0010))
+#define DANUBE_DES_IHR                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0014))
+#define DANUBE_DES_ILR                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0018))
+#define DANUBE_DES_K1HR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x001C))
+#define DANUBE_DES_K1LR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0020))
+#define DANUBE_DES_K3HR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0024))
+#define DANUBE_DES_K3LR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0028))
+#define DANUBE_DES_IVHR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x002C))
+#define DANUBE_DES_IVLR                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0030))
+#define DANUBE_DES_OHR                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0040))
+#define DANUBE_DES_OLR                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0050))
+
+/* AES DEU register */
+#define DANUBE_AES_CON 			   ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0050))
+#define DANUBE_AES_ID3R                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0054))
+#define DANUBE_AES_ID2R                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0058))
+#define DANUBE_AES_ID1R                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x005C))
+#define DANUBE_AES_ID0R                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0060))
+
+/* AES Key register */
+#define DANUBE_AES_K7R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0064))
+#define DANUBE_AES_K6R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0068))
+#define DANUBE_AES_K5R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x006C))
+#define DANUBE_AES_K4R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0070))
+#define DANUBE_AES_K3R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0074))
+#define DANUBE_AES_K2R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0078))
+#define DANUBE_AES_K1R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x007C))
+#define DANUBE_AES_K0R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0080))
+
+/* AES vector register */
+#define DANUBE_AES_IV3R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0084))
+#define DANUBE_AES_IV2R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0088))
+#define DANUBE_AES_IV1R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x008C))
+#define DANUBE_AES_IV0R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0090))
+#define DANUBE_AES_0D3R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0094))
+#define DANUBE_AES_0D2R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x0098))
+#define DANUBE_AES_OD1R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x009C))
+#define DANUBE_AES_OD0R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00A0))
+
+/* hash control registe */
+#define DANUBE_HASH_CON                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00B0))
+#define DANUBE_HASH_MR                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00B4))
+#define DANUBE_HASH_D1R                    ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00B8 ))
+#define DANUBE_HASH_D2R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00BC ))
+#define DANUBE_HASH_D3R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00C0 ))
+#define DANUBE_HASH_D4R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00C4))
+#define DANUBE_HASH_D5R                     ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00C8))
+
+#define DANUBE_CON                         ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00EC))
+
+#define DANUBE_DEU_IRNEN                         ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00F4))
+#define DANUBE_DEU_IRNCR                         ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00F8))
+#define DANUBE_DEU_IRNICR                         ((volatile u32 *)(DANUBE_DEU_BASE_ADDR + 0x00FC))
+
+/************************************************************************/
+/*   Module       :   PPE register address and bits        		*/
+/************************************************************************/
+#define DANUBE_PPE32_BASE  0xBE180000
+#define DANUBE_PPE32_DEBUG_BREAK_TRACE_REG   (DANUBE_PPE32_BASE + (0x0000 * 4))
+#define DANUBE_PPE32_INT_MASK_STATUS_REG     (DANUBE_PPE32_BASE + (0x0030 * 4))
+#define DANUBE_PPE32_INT_RESOURCE_REG        (DANUBE_PPE32_BASE + (0x0040 * 4))
+#define DANUBE_PPE32_CDM_CODE_MEM_B0         (DANUBE_PPE32_BASE + (0x1000 * 4))
+#define DANUBE_PPE32_CDM_CODE_MEM_B1         (DANUBE_PPE32_BASE + (0x2000 * 4))
+#define DANUBE_PPE32_DATA_MEM_MAP_REG_BASE   (DANUBE_PPE32_BASE + (0x4000 * 4))
+
+#define DANUBE_PPE32_SRST		     (DANUBE_PPE32_BASE + 0x10080)
+
+/*
+ *    ETOP MDIO Registers
+ */
+#define DANUBE_PPE32_ETOP_MDIO_CFG           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0600 * 4)))
+#define DANUBE_PPE32_ETOP_MDIO_ACC           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0601 * 4)))
+#define DANUBE_PPE32_ETOP_CFG                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0602 * 4)))
+#define DANUBE_PPE32_ETOP_IG_VLAN_COS        ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0603 * 4)))
+#define DANUBE_PPE32_ETOP_IG_DSCP_COS3       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0604 * 4)))
+#define DANUBE_PPE32_ETOP_IG_DSCP_COS2       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0605 * 4)))
+#define DANUBE_PPE32_ETOP_IG_DSCP_COS1       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0606 * 4)))
+#define DANUBE_PPE32_ETOP_IG_DSCP_COS0       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0607 * 4)))
+#define DANUBE_PPE32_ETOP_IG_PLEN_CTRL       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0608 * 4)))
+#define DANUBE_PPE32_ETOP_ISR                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060A * 4)))
+#define DANUBE_PPE32_ETOP_IER                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060B * 4)))
+#define DANUBE_PPE32_ETOP_VPID               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060C * 4)))
+
+/* ENET Register */
+#define DANUBE_PPE32_ENET_MAC_CFG            	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0610 * 4)))
+#define DANUBE_PPE32_ENET_IG_PKTDROP          	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0619 * 4)))
+#define DANUBE_PPE32_ENET_CoS_CFG          	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0618 * 4)))
+
+/* Sharebuff SB RAM2 control data */
+
+#define DANUBE_PPE32_SB2_DATABASE  	((DANUBE_PPE32_BASE + (0x8C00 * 4)))
+#define DANUBE_PPE32_SB2_CTRLBASE  	((DANUBE_PPE32_BASE + (0x92E0 * 4)))
+/************************************************************************/
+/*   Module       :   PPE register address and bits        		*/
+/************************************************************************/
+#define DANUBE_PPE32_BASE  0xBE180000
+#define DANUBE_PPE32_DEBUG_BREAK_TRACE_REG   (DANUBE_PPE32_BASE + (0x0000 * 4))
+#define DANUBE_PPE32_INT_MASK_STATUS_REG     (DANUBE_PPE32_BASE + (0x0030 * 4))
+#define DANUBE_PPE32_INT_RESOURCE_REG        (DANUBE_PPE32_BASE + (0x0040 * 4))
+#define DANUBE_PPE32_CDM_CODE_MEM_B0         (DANUBE_PPE32_BASE + (0x1000 * 4))
+#define DANUBE_PPE32_CDM_CODE_MEM_B1         (DANUBE_PPE32_BASE + (0x2000 * 4))
+#define DANUBE_PPE32_DATA_MEM_MAP_REG_BASE   (DANUBE_PPE32_BASE + (0x4000 * 4))
+
+/*
+ *    ETOP MDIO Registers
+ */
+#define ETOP_MDIO_CFG           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0600 * 4)))
+#define ETOP_MDIO_ACC           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0601 * 4)))
+#define ETOP_CFG                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0602 * 4)))
+#define ETOP_IG_VLAN_COS        ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0603 * 4)))
+#define ETOP_IG_DSCP_COS3       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0604 * 4)))
+#define ETOP_IG_DSCP_COS2       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0605 * 4)))
+#define ETOP_IG_DSCP_COS1       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0606 * 4)))
+#define ETOP_IG_DSCP_COS0       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0607 * 4)))
+#define ETOP_IG_PLEN_CTRL       ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0608 * 4)))
+#define ETOP_ISR                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060A * 4)))
+#define ETOP_IER                ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060B * 4)))
+#define ETOP_VPID               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x060C * 4)))
+#define ENET_MAC_CFG            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0610 * 4)))
+#define ENETS_DBA               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0612 * 4)))
+#define ENETS_CBA               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0613 * 4)))
+#define ENETS_CFG               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0614 * 4)))
+#define ENETS_PGCNT             ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0615 * 4)))
+#define ENETS_PKTCNT            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0616 * 4)))
+#define ENETS_BUF_CTRL          ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0617 * 4)))
+#define ENETS_COS_CFG           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0618 * 4)))
+#define ENETS_IGDROP            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0619 * 4)))
+#define ENETS_IGERR             ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061A * 4)))
+#define ENET_MAC_DA0           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061B * 4)))
+#define ENET_MAC_DA1           ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x061C * 4)))
+
+#define ENETF_DBA               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0630 * 4)))
+#define ENETF_CBA               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0631 * 4)))
+#define ENETF_CFG               ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0632 * 4)))
+#define ENETF_PGCNT             ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0633 * 4)))
+#define ENETF_PKTCNT            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0634 * 4)))
+#define ENETF_HFCTRL            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0635 * 4)))
+#define ENETF_TXCTRL            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0636 * 4)))
+
+#define ENETF_VLCOS0            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0638 * 4)))
+#define ENETF_VLCOS1            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0639 * 4)))
+#define ENETF_VLCOS2            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x063A * 4)))
+#define ENETF_VLCOS3            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x063B * 4)))
+#define ENETF_EGERR             ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x063C * 4)))
+#define ENETF_EGDROP            ((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x063D * 4)))
+
+/* ENET Register */
+#define DANUBE_PPE32_ENET_MAC_CFG            	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0610 * 4)))
+#define DANUBE_PPE32_ENET_IG_PKTDROP          	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0619 * 4)))
+#define DANUBE_PPE32_ENET_CoS_CFG          	((volatile u32 *)(DANUBE_PPE32_DATA_MEM_MAP_REG_BASE + (0x0618 * 4)))
+
+/* Sharebuff SB RAM2 control data */
+
+#define DANUBE_PPE32_SB2_DATABASE  	((DANUBE_PPE32_BASE + (0x8C00 * 4)))
+#define DANUBE_PPE32_SB2_CTRLBASE  	((DANUBE_PPE32_BASE + (0x92E0 * 4)))
+
+/***********************************************************************/
+/*  Module      :  PCI register address and bits                       */
+/***********************************************************************/
+#define PCI_CR_PR_OFFSET            (KSEG1+0x1E105400)
+#define PCI_CFG_BASE      		      (KSEG1+0x17000000)
+#define PCI_MEM_BASE      		      (KSEG1+0x18000000)
+#define PCI_CS_PR_OFFSET            (KSEG1+0x17000000)
+
+/* PCI CONTROLLER REGISTER ADDRESS MAP */
+#define PCI_CR_CLK_CTRL_REG         (PCI_CR_PR_OFFSET + 0x0000)
+#define PCI_CR_PCI_ID_REG	        (PCI_CR_PR_OFFSET + 0x0004)
+#define PCI_CR_SFT_RST_REG	        (PCI_CR_PR_OFFSET + 0x0010)
+#define PCI_CR_PCI_FPI_ERR_ADDR_REG (PCI_CR_PR_OFFSET + 0x0014)
+#define PCI_CR_FCI_PCI_ERR_ADDR_REG (PCI_CR_PR_OFFSET + 0x0018)
+#define PCI_CR_FPI_ERR_TAG_REG	    (PCI_CR_PR_OFFSET + 0x001C)
+#define PCI_CR_PCI_IRR_REG	        (PCI_CR_PR_OFFSET + 0x0020)
+#define PCI_CR_PCI_IRA_REG	        (PCI_CR_PR_OFFSET + 0x0024)
+#define PCI_CR_PCI_IRM_REG	        (PCI_CR_PR_OFFSET + 0x0028)
+#define PCI_CR_PCI_EOI_REG	        (PCI_CR_PR_OFFSET + 0x002C)
+#define PCI_CR_PCI_MOD_REG 	        (PCI_CR_PR_OFFSET + 0x0030)
+#define PCI_CR_DV_ID_REG	        (PCI_CR_PR_OFFSET + 0x0034)
+#define PCI_CR_SUBSYS_ID_REG	    (PCI_CR_PR_OFFSET + 0x0038)
+#define PCI_CR_PCI_PM_REG           (PCI_CR_PR_OFFSET + 0x003C)
+#define PCI_CR_CLASS_CODE1_REG      (PCI_CR_PR_OFFSET + 0x0040)
+#define PCI_CR_BAR11MASK_REG	    (PCI_CR_PR_OFFSET + 0x0044)
+#define PCI_CR_BAR12MASK_REG        (PCI_CR_PR_OFFSET + 0x0048)
+#define PCI_CR_BAR13MASK_REG        (PCI_CR_PR_OFFSET + 0x004C)
+#define PCI_CR_BAR14MASK_REG        (PCI_CR_PR_OFFSET + 0x0050)
+#define PCI_CR_BAR15MASK_REG        (PCI_CR_PR_OFFSET + 0x0054)
+#define PCI_CR_BAR16MASK_REG        (PCI_CR_PR_OFFSET + 0x0058)
+#define PCI_CR_CIS_PT1_REG	        (PCI_CR_PR_OFFSET + 0x005C)
+#define PCI_CR_SUBSYS_ID1_REG	    (PCI_CR_PR_OFFSET + 0x0060)
+#define PCI_CR_PCI_ADDR_MAP11_REG   (PCI_CR_PR_OFFSET + 0x0064)
+#define PCI_CR_PCI_ADDR_MAP12_REG   (PCI_CR_PR_OFFSET + 0x0068)
+#define PCI_CR_PCI_ADDR_MAP13_REG   (PCI_CR_PR_OFFSET + 0x006C)
+#define PCI_CR_PCI_ADDR_MAP14_REG   (PCI_CR_PR_OFFSET + 0x0070)
+#define PCI_CR_PCI_ADDR_MAP15_REG   (PCI_CR_PR_OFFSET + 0x0074)
+#define PCI_CR_PCI_ADDR_MAP16_REG   (PCI_CR_PR_OFFSET + 0x0078)
+#define PCI_CR_FPI_SEG_EN_REG       (PCI_CR_PR_OFFSET + 0x007C)
+#define PCI_CR_PC_ARB_REG	        (PCI_CR_PR_OFFSET + 0x0080)
+#define PCI_CR_BAR21MASK_REG	    (PCI_CR_PR_OFFSET + 0x0084)
+#define PCI_CR_BAR22MASK_REG        (PCI_CR_PR_OFFSET + 0x0088)
+#define PCI_CR_BAR23MASK_REG        (PCI_CR_PR_OFFSET + 0x008C)
+#define PCI_CR_BAR24MASK_REG        (PCI_CR_PR_OFFSET + 0x0090)
+#define PCI_CR_BAR25MASK_REG        (PCI_CR_PR_OFFSET + 0x0094)
+#define PCI_CR_BAR26MASK_REG        (PCI_CR_PR_OFFSET + 0x0098)
+#define PCI_CR_CIS_PT2_REG	        (PCI_CR_PR_OFFSET + 0x009C)
+#define PCI_CR_SUBSYS_ID2_REG	    (PCI_CR_PR_OFFSET + 0x00A0)
+#define PCI_CR_PCI_ADDR_MAP21_REG   (PCI_CR_PR_OFFSET + 0x00A4)
+#define PCI_CR_PCI_ADDR_MAP22_REG   (PCI_CR_PR_OFFSET + 0x00A8)
+#define PCI_CR_PCI_ADDR_MAP23_REG   (PCI_CR_PR_OFFSET + 0x00AC)
+#define PCI_CR_PCI_ADDR_MAP24_REG   (PCI_CR_PR_OFFSET + 0x00B0)
+#define PCI_CR_PCI_ADDR_MAP25_REG   (PCI_CR_PR_OFFSET + 0x00B4)
+#define PCI_CR_PCI_ADDR_MAP26_REG   (PCI_CR_PR_OFFSET + 0x00B8)
+#define PCI_CR_FPI_ADDR_MASK_REG    (PCI_CR_PR_OFFSET + 0x00BC)
+#define PCI_CR_FCI_ADDR_MAP0_REG    (PCI_CR_PR_OFFSET + 0x00C0)
+#define PCI_CR_FCI_ADDR_MAP1_REG    (PCI_CR_PR_OFFSET + 0x00C4)
+#define PCI_CR_FCI_ADDR_MAP2_REG    (PCI_CR_PR_OFFSET + 0x00C8)
+#define PCI_CR_FCI_ADDR_MAP3_REG    (PCI_CR_PR_OFFSET + 0x00CC)
+#define PCI_CR_FCI_ADDR_MAP4_REG    (PCI_CR_PR_OFFSET + 0x00D0)
+#define PCI_CR_FCI_ADDR_MAP5_REG    (PCI_CR_PR_OFFSET + 0x00D4)
+#define PCI_CR_FCI_ADDR_MAP6_REG    (PCI_CR_PR_OFFSET + 0x00D8)
+#define PCI_CR_FCI_ADDR_MAP7_REG    (PCI_CR_PR_OFFSET + 0x00DC)
+#define PCI_CR_FCI_ADDR_MAP11lo_REG (PCI_CR_PR_OFFSET + 0x00E0)
+#define PCI_CR_FCI_ADDR_MAP11hg_REG (PCI_CR_PR_OFFSET + 0x00E4)
+#define PCI_CR_FCI_BURST_LENGTH_REG (PCI_CR_PR_OFFSET + 0x00E8)
+#define PCI_CR_PCI_SET_SERR_REG     (PCI_CR_PR_OFFSET + 0x00EC)
+#define PCI_CR_DMA_FPI_ST_ADDR_REG  (PCI_CR_PR_OFFSET + 0x00F0)
+#define PCI_CR_DMA_PCI_ST_ADDR_REG  (PCI_CR_PR_OFFSET + 0x00F4)
+#define PCI_CR_DMA_TRAN_CNT_REG     (PCI_CR_PR_OFFSET + 0x00F8)
+#define PCI_CR_DMA_TRAN_CTL_REG     (PCI_CR_PR_OFFSET + 0x00FC)
+
+/* PCI CONFIGURATION SPACE REGISTER Base Address */
+#define EXT_PCI1_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x0800
+#define EXT_PCI2_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x1000
+#define EXT_PCI3_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x1800
+#define EXT_PCI4_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x2000
+#define EXT_PCI5_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x2800
+#define EXT_PCI6_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x3000
+#define EXT_PCI7_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x3800
+#define EXT_PCI8_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x4000
+#define EXT_PCI9_CONFIG_SPACE_BASE_ADDR    	PCI_CFG_BASE + 0x4800
+#define EXT_PCI10_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x5000
+#define EXT_PCI11_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x5800
+#define EXT_PCI12_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x6000
+#define EXT_PCI13_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x6800
+#define EXT_PCI14_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x7000
+#define EXT_PCI15_CONFIG_SPACE_BASE_ADDR   	PCI_CFG_BASE + 0x7800
+#define EXT_CARDBUS_CONFIG_SPACE_BASE_ADDR  	PCI_CFG_BASE + 0XF000
+
+/* PCI CONFIGURATION SPACE REGISTER ADDRESS MAP */
+#define PCI_CS_DEV_VEN_ID_REG        (PCI_CS_PR_OFFSET + 0x0000)
+#define PCI_CS_STS_CMD_REG	         (PCI_CS_PR_OFFSET + 0x0004)
+#define PCI_CS_CL_CODE_REVIDG        (PCI_CS_PR_OFFSET + 0x0008)
+#define PCI_CS_BST_HT_LT_CLS_REG     (PCI_CS_PR_OFFSET + 0x000C)
+#define PCI_CS_BASE_ADDR1_REG	     (PCI_CS_PR_OFFSET + 0x0010)
+#define PCI_CS_BASE_ADDR2_REG        (PCI_CS_PR_OFFSET + 0x0014)
+#define PCI_CS_BASE_ADDR3_REG        (PCI_CS_PR_OFFSET + 0x0018)
+#define PCI_CS_BASE_ADDR4_REG        (PCI_CS_PR_OFFSET + 0x001C)
+#define PCI_CS_BASE_ADDR5_REG        (PCI_CS_PR_OFFSET + 0x0020)
+#define PCI_CS_BASE_ADDR6_REG        (PCI_CS_PR_OFFSET + 0x0024)
+#define PCI_CS_CARDBUS_CIS_PT_REG    (PCI_CS_PR_OFFSET + 0x0028)
+#define PCI_CS_SUBSYS_VEN_ID_REG     (PCI_CS_PR_OFFSET + 0x002C)
+#define PCI_CS_EXROM_BAS_ADDR_REG    (PCI_CS_PR_OFFSET + 0x0030)
+#define PCI_CS_RES1_REG	             (PCI_CS_PR_OFFSET + 0x0034)
+#define PCI_CS_RES2_REG	             (PCI_CS_PR_OFFSET + 0x0038)
+#define PCI_CS_LAT_GNT_INTR_REG      (PCI_CS_PR_OFFSET + 0x003C)
+#define PCI_CS_PM_PT_CPID_REG        (PCI_CS_PR_OFFSET + 0x0040)
+#define PCI_CS_DAT_PMCSR_PM_REG	     (PCI_CS_PR_OFFSET + 0x0044)
+#define PCI_CS_RES3_REG              (PCI_CS_PR_OFFSET + 0x0048)
+#define PCI_CS_RES4_REG              (PCI_CS_PR_OFFSET + 0x004C)
+#define PCI_CS_ERR_ADDR_PCI_FPI_REG  (PCI_CS_PR_OFFSET + 0x0050)
+#define PCI_CS_ERR_ADDR_FPI_PCI_REG  (PCI_CS_PR_OFFSET + 0x0054)
+#define PCI_CS_ERR_TAG_FPI_PCI_REG   (PCI_CS_PR_OFFSET + 0x0058)
+#define PCI_CS_PC_ARB_REG	         (PCI_CS_PR_OFFSET + 0x005C)
+#define PCI_CS_FPI_PCI_INT_STS_REG   (PCI_CS_PR_OFFSET + 0x0060)
+#define PCI_CS_FPI_PCI_INT_ACK_REG   (PCI_CS_PR_OFFSET + 0x0064)
+#define PCI_CS_FPI_PCI_INT_MASK_REG  (PCI_CS_PR_OFFSET + 0x0068)
+#define PCI_CS_CARDBUS_CTL_STS_REG   (PCI_CS_PR_OFFSET + 0x006C)
+
+// PCI CONTROLLER ADDRESS SPACE
+#define PCI_CA_PR_OFFSET 0xB8000000
+#define PCI_CA_PR_END    0xBBFFFFFF
+
+// PCI CONTROLLER REGISTER ADDRESS MASK
+#define PCI_CR_CLK_CTRL_MSK              0x82000000
+#define PCI_CR_PCI_ID_MSK	    	     0x00000000
+#define PCI_CR_SFT_RST_MSK	    	     0x00000002
+#define PCI_CR_PCI_FPI_ERR_ADDR_MSK 	 0x00000000
+#define PCI_CR_FCI_PCI_ERR_ADDR_MSK 	 0x00000000
+#define PCI_CR_FPI_ERR_TAG_MSK	    	 0x00000000
+#define PCI_CR_PCI_IRR_MSK	    	     0x07013B2F
+#define PCI_CR_PCI_IRA_MSK	    	     0x07013B2F
+#define PCI_CR_PCI_IRM_MSK	    	     0x07013B2F
+#define PCI_CR_PCI_EOI_MSK	    	     0x07013B2F
+#define PCI_CR_PCI_MOD_MSK 	    	     0x1107070F
+#define PCI_CR_DV_ID_MSK	    	     0x00000000
+#define PCI_CR_SUBSYS_ID_MSK	    	 0x00000000
+#define PCI_CR_PCI_PM_MSK           	 0x0000001F
+#define PCI_CR_CLASS_CODE1_MSK      	 0x00000000
+#define PCI_CR_BAR11MASK_MSK	    	 0x8FFFFFF8
+#define PCI_CR_BAR12MASK_MSK        	 0x80001F08
+#define PCI_CR_BAR13MASK_MSK        	 0x8FF00008
+#define PCI_CR_BAR14MASK_MSK        	 0x8FFFFF08
+#define PCI_CR_BAR15MASK_MSK        	 0x8FFFFF08
+#define PCI_CR_BAR16MASK_MSK        	 0x8FFFFFF9
+#define PCI_CR_CIS_PT1_MSK	    	     0x03FFFFFF
+#define PCI_CR_SUBSYS_ID1_MSK	    	 0x00000000
+#define PCI_CR_PCI_ADDR_MAP11_MSK   	 0x7FFF0001
+#define PCI_CR_PCI_ADDR_MAP12_MSK   	 0x7FFFFF01
+#define PCI_CR_PCI_ADDR_MAP13_MSK   	 0x7FF00001
+#define PCI_CR_PCI_ADDR_MAP14_MSK   	 0x7FFFFF01
+#define PCI_CR_PCI_ADDR_MAP15_MSK   	 0x7FF00001
+#define PCI_CR_PCI_ADDR_MAP16_MSK   	 0x7FF00001
+#define PCI_CR_FPI_SEG_EN_MSK       	 0x000003FF
+#define PCI_CR_CLASS_CODE2_MSK      	 0x00000000
+#define PCI_CR_BAR21MASK_MSK	    	 0x800F0008
+#define PCI_CR_BAR22MASK_MSK        	 0x807F0008
+#define PCI_CR_BAR23MASK_MSK        	 0x8FF00008
+#define PCI_CR_BAR24MASK_MSK        	 0x8FFFFF08
+#define PCI_CR_BAR25MASK_MSK        	 0x8FFFFF08
+#define PCI_CR_BAR26MASK_MSK        	 0x8FFFFFF9
+#define PCI_CR_CIS_PT2_MSK	    	     0x03FFFFFF
+#define PCI_CR_SUBSYS_ID2_MSK	    	 0x00000000
+#define PCI_CR_PCI_ADDR_MAP21_MSK   	 0x7FFE0001
+#define PCI_CR_PCI_ADDR_MAP22_MSK   	 0x7FFF0001
+#define PCI_CR_PCI_ADDR_MAP23_MSK   	 0x7FF00001
+#define PCI_CR_PCI_ADDR_MAP24_MSK   	 0x7FFFFF01
+#define PCI_CR_PCI_ADDR_MAP25_MSK   	 0x7FFFFF01
+#define PCI_CR_PCI_ADDR_MAP26_MSK   	 0x7FF00001
+#define PCI_CR_FPI_ADDR_MASK_MSK    	 0x00070000
+#define PCI_CR_FCI_ADDR_MAP0_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP1_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP2_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP3_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP4_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP5_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP6_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP7_MSK    	 0xFFF00000
+#define PCI_CR_FCI_ADDR_MAP11lo_MSK 	 0xFFFF0000
+#define PCI_CR_FCI_ADDR_MAP11hg_MSK 	 0xFFF00000
+#define PCI_CR_FCI_BURST_LENGTH_MSK 	 0x00000303
+#define PCI_CR_PCI_SET_SERR_MSK     	 0x00000001
+#define PCI_CR_DMA_FPI_ST_ADDR_MSK  	 0xFFFFFFFF
+#define PCI_CR_DMA_PCI_ST_ADDR_MSK  	 0xFFFFFFFF
+#define PCI_CR_DMA_TRAN_CNT_MSK     	 0x000003FF
+#define PCI_CR_DMA_TRAN_CTL_MSK     	 0x00000003
+
+#define INTERNAL_ARB_ENABLE_BIT         	0
+#define ARB_SCHEME_BIT                  	1
+#define PCI_MASTER0_PRIOR_2BITS         	2
+#define PCI_MASTER1_PRIOR_2BITS         	4
+#define PCI_MASTER2_PRIOR_2BITS         	6
+#define PCI_MASTER0_REQ_MASK_2BITS      	8
+#define PCI_MASTER1_REQ_MASK_2BITS      	10
+#define PCI_MASTER2_REQ_MASK_2BITS      	12
+
+#define IOPORT_RESOURCE_START 0x10000000
+#define IOPORT_RESOURCE_END   0xffffffff
+#define IOMEM_RESOURCE_START  0x10000000
+#define IOMEM_RESOURCE_END    0xffffffff
+
+/***********************************************************************/
+#define DANUBE_REG32(addr)		   *((volatile u32 *)(addr))
+/***********************************************************************/
+#endif //DANUBE_H
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_pmu.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_pmu.h
new file mode 100644
index 0000000000..b404b262c3
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_pmu.h
@@ -0,0 +1,31 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+#ifndef _DANUBE_PMU_H__
+#define _DANUBE_PMU_H__
+
+#define DANUBE_PMU_PWDCR_DMA    0x20
+#define DANUBE_PMU_PWDCR_LED    0x800
+#define DANUBE_PMU_PWDCR_GPT    0x1000
+#define DANUBE_PMU_PWDCR_PPE    0x2000
+#define DANUBE_PMU_PWDCR_FPI    0x4000
+
+void danube_pmu_enable (unsigned int module);
+void danube_pmu_disable (unsigned int module);
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_serial.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_serial.h
new file mode 100644
index 0000000000..7b7994751b
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_serial.h
@@ -0,0 +1,194 @@
+/* incaAscSio.h - (DANUBE) ASC UART tty driver header */
+
+#ifndef __DANUBE_ASC_H
+#define __DANUBE_ASC_H
+
+/******************************************************************************
+**
+** FILE NAME    : serial.c
+** PROJECT      : Danube
+** MODULES      : ASC/UART
+**
+** DATE         : 27 MAR 2006
+** AUTHOR       : Liu Peng
+** DESCRIPTION  : Asynchronous Serial Channel (ASC/UART) Driver Header File
+** COPYRIGHT    :       Copyright (c) 2006
+**                      Infineon Technologies AG
+**                      Am Campeon 1-12, 85579 Neubiberg, Germany
+**
+**    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.
+**
+** HISTORY
+** $Date        $Author         $Comment
+** 27 MAR 2006  Liu Peng        Initiate Version (rev 1.7)
+** 23 OCT 2006  Xu Liang        Add GPL header.
+*******************************************************************************/
+
+/* channel operating modes */
+/*#define	ASCOPT_CSIZE	0x00000003
+#define	ASCOPT_CS7	0x00000001
+#define	ASCOPT_CS8	0x00000002
+#define	ASCOPT_PARENB	0x00000004
+#define	ASCOPT_STOPB	0x00000008
+#define	ASCOPT_PARODD	0x00000010
+#define	ASCOPT_CREAD	0x00000020
+*/
+#define ASC_OPTIONS		(ASCOPT_CREAD | ASCOPT_CS8)
+
+/* ASC input select (0 or 1) */
+#define CONSOLE_TTY	0
+
+#define DANUBEASC_TXFIFO_FL       1
+#define DANUBEASC_RXFIFO_FL       1
+#define DANUBEASC_TXFIFO_FULL     16
+
+/* interrupt lines masks for the ASC device interrupts*/
+/* change these macroses if it's necessary */
+#define DANUBEASC_IRQ_LINE_ALL        0x0000007f	/* all IRQs */
+
+#define DANUBEASC_IRQ_LINE_TIR            0x00000001	/* Tx Int */
+#define DANUBEASC_IRQ_LINE_TBIR           0x00000002	/* Tx Buffer Int */
+#define DANUBEASC_IRQ_LINE_RIR            0x00000004	/* Rx Int */
+#define DANUBEASC_IRQ_LINE_EIR            0x00000008	/* Error Int */
+#define DANUBEASC_IRQ_LINE_ABSTIR         0x00000010	/* Autobaud Start Int */
+#define DANUBEASC_IRQ_LINE_ABDETIP        0x00000020	/* Autobaud Detection Int */
+#define DANUBEASC_IRQ_LINE_SFCIR          0x00000040	/* Software Flow Control Int */
+
+/* interrupt controller access macros */
+#define ASC_INTERRUPTS_ENABLE(X)  \
+*((volatile unsigned int*) DANUBE_ICU_IM0_IER) |= X;
+#define ASC_INTERRUPTS_DISABLE(X) \
+*((volatile unsigned int*) DANUBE_ICU_IM0_IER) &= ~X;
+#define ASC_INTERRUPTS_CLEAR(X)   \
+*((volatile unsigned int*) DANUBE_ICU_IM0_ISR) = X;
+
+/* CLC register's bits and bitfields */
+#define ASCCLC_DISR        0x00000001
+#define ASCCLC_DISS        0x00000002
+#define ASCCLC_RMCMASK     0x0000FF00
+#define ASCCLC_RMCOFFSET   8
+
+/* CON register's bits and bitfields */
+#define ASCCON_MODEMASK	0x0000000f
+#define ASCCON_M_8ASYNC	0x0
+#define ASCCON_M_8IRDA 	0x1
+#define ASCCON_M_7ASYNC	0x2
+#define ASCCON_M_7IRDA 	0x3
+#define ASCCON_WLSMASK 	0x0000000c
+#define ASCCON_WLSOFFSET	2
+#define ASCCON_WLS_8BIT	0x0
+#define ASCCON_WLS_7BIT	0x1
+#define ASCCON_PEN     	0x00000010
+#define ASCCON_ODD     	0x00000020
+#define ASCCON_SP      	0x00000040
+#define ASCCON_STP     	0x00000080
+#define ASCCON_BRS     	0x00000100
+#define ASCCON_FDE     	0x00000200
+#define ASCCON_ERRCLK  	0x00000400
+#define ASCCON_EMMASK  	0x00001800
+#define ASCCON_EMOFFSET	11
+#define ASCCON_EM_ECHO_OFF	0x0
+#define ASCCON_EM_ECHO_AB	0x1
+#define ASCCON_EM_ECHO_ON	0x2
+#define ASCCON_LB       	0x00002000
+#define ASCCON_ACO      	0x00004000
+#define ASCCON_R        	0x00008000
+#define ASCCON_PAL      	0x00010000
+#define ASCCON_FEN      	0x00020000
+#define ASCCON_RUEN     	0x00040000
+#define ASCCON_ROEN     	0x00080000
+#define ASCCON_TOEN     	0x00100000
+#define ASCCON_BEN      	0x00200000
+#define ASCCON_TXINV    	0x01000000
+#define ASCCON_RXINV    	0x02000000
+#define ASCCON_TXMSB    	0x04000000
+#define ASCCON_RXMSB    	0x08000000
+
+/* STATE register's bits and bitfields */
+#define ASCSTATE_REN     	0x00000001
+#define ASCSTATE_PE      	0x00010000
+#define ASCSTATE_FE      	0x00020000
+#define ASCSTATE_RUE     	0x00040000
+#define ASCSTATE_ROE     	0x00080000
+#define ASCSTATE_TOE     	0x00100000
+#define ASCSTATE_BE      	0x00200000
+#define ASCSTATE_TXBVMASK	0x07000000
+#define ASCSTATE_TXBVOFFSET	24
+#define ASCSTATE_TXEOM     	0x08000000
+#define ASCSTATE_RXBVMASK	0x70000000
+#define ASCSTATE_RXBVOFFSET	28
+#define ASCSTATE_RXEOM     	0x80000000
+#define ASCSTATE_ANY	(ASCSTATE_ROE|ASCSTATE_PE|ASCSTATE_FE)
+
+/* WHBSTATE register's bits and bitfields */
+#define ASCWHBSTATE_CLRREN    0x00000001
+#define ASCWHBSTATE_SETREN    0x00000002
+#define ASCWHBSTATE_CLRPE     0x00000004
+#define ASCWHBSTATE_CLRFE     0x00000008
+#define ASCWHBSTATE_CLRRUE    0x00000010
+#define ASCWHBSTATE_CLRROE    0x00000020
+#define ASCWHBSTATE_CLRTOE    0x00000040
+#define ASCWHBSTATE_CLRBE     0x00000080
+#define ASCWHBSTATE_SETPE     0x00000100
+#define ASCWHBSTATE_SETFE     0x00000200
+#define ASCWHBSTATE_SETRUE    0x00000400
+#define ASCWHBSTATE_SETROE    0x00000800
+#define ASCWHBSTATE_SETTOE    0x00001000
+#define ASCWHBSTATE_SETBE     0x00002000
+
+/* ABCON register's bits and bitfields */
+#define ASCABCON_ABEN       0x0001
+#define ASCABCON_AUREN      0x0002
+#define ASCABCON_ABSTEN     0x0004
+#define ASCABCON_ABDETEN    0x0008
+#define ASCABCON_FCDETEN    0x0010
+
+/* FDV register mask, offset and bitfields*/
+#define ASCFDV_VALUE_MASK     0x000001FF
+
+/* WHBABCON register's bits and bitfields */
+#define ASCWHBABCON_CLRABEN     0x0001
+#define ASCWHBABCON_SETABEN     0x0002
+
+/* ABSTAT register's bits and bitfields */
+#define ASCABSTAT_FCSDET    0x0001
+#define ASCABSTAT_FCCDET    0x0002
+#define ASCABSTAT_SCSDET    0x0004
+#define ASCABSTAT_SCCDET    0x0008
+#define ASCABSTAT_DETWAIT   0x0010
+
+/* WHBABSTAT register's bits and bitfields */
+#define ASCWHBABSTAT_CLRFCSDET  0x0001
+#define ASCWHBABSTAT_SETFCSDET  0x0002
+#define ASCWHBABSTAT_CLRFCCDET  0x0004
+#define ASCWHBABSTAT_SETFCCDET  0x0008
+#define ASCWHBABSTAT_CLRSCSDET  0x0010
+#define ASCWHBABSTAT_SETSCSDET  0x0020
+#define ASCWHBABSTAT_CLRSCCDET  0x0040
+#define ASCWHBABSTAT_SETSCCDET  0x0080
+#define ASCWHBABSTAT_CLRDETWAIT 0x0100
+#define ASCWHBABSTAT_SETDETWAIT 0x0200
+
+/* TXFCON register's bits and bitfields */
+#define ASCTXFCON_TXFIFO1       0x00000400
+#define ASCTXFCON_TXFEN         0x0001
+#define ASCTXFCON_TXFFLU        0x0002
+#define ASCTXFCON_TXFITLMASK    0x3F00
+#define ASCTXFCON_TXFITLOFF     8
+
+/* RXFCON register's bits and bitfields */
+#define ASCRXFCON_RXFIFO1       0x00000400
+#define ASCRXFCON_RXFEN         0x0001
+#define ASCRXFCON_RXFFLU        0x0002
+#define ASCRXFCON_RXFITLMASK    0x3F00
+#define ASCRXFCON_RXFITLOFF     8
+
+/* FSTAT register's bits and bitfields */
+#define ASCFSTAT_RXFFLMASK      0x003F
+#define ASCFSTAT_TXFFLMASK      0x3F00
+#define ASCFSTAT_TXFFLOFF       8
+
+#endif /* __DANUBE_ASC_H */
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_wdt.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_wdt.h
new file mode 100644
index 0000000000..1c31fc9ee2
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/danube_wdt.h
@@ -0,0 +1,48 @@
+/*
+ *   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.
+ *
+ *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *
+ */
+
+#ifndef DANUBE_WDT_H
+#define DANUBE_WDT_H
+
+/* Danube wdt ioctl control */
+#define DANUBE_WDT_IOC_MAGIC			0xc0
+#define DANUBE_WDT_IOC_START			_IOW(DANUBE_WDT_IOC_MAGIC, 0, int)
+#define DANUBE_WDT_IOC_STOP				_IO(DANUBE_WDT_IOC_MAGIC, 1)
+#define DANUBE_WDT_IOC_PING				_IO(DANUBE_WDT_IOC_MAGIC, 2)
+#define DANUBE_WDT_IOC_SET_PWL			_IOW(DANUBE_WDT_IOC_MAGIC, 3, int)
+#define DANUBE_WDT_IOC_SET_DSEN			_IOW(DANUBE_WDT_IOC_MAGIC, 4, int)
+#define DANUBE_WDT_IOC_SET_LPEN			_IOW(DANUBE_WDT_IOC_MAGIC, 5, int)
+#define DANUBE_WDT_IOC_GET_STATUS		_IOR(DANUBE_WDT_IOC_MAGIC, 6, int)
+#define DANUBE_WDT_IOC_SET_CLKDIV		_IOW(DANUBE_WDT_IOC_MAGIC, 7, int)
+
+/* password 1 and 2 */
+#define DANUBE_WDT_PW1					 0x000000BE
+#define DANUBE_WDT_PW2					 0x000000DC
+
+#define DANUBE_WDT_CLKDIV0_VAL			1
+#define DANUBE_WDT_CLKDIV1_VAL			64
+#define DANUBE_WDT_CLKDIV2_VAL			4096
+#define DANUBE_WDT_CLKDIV3_VAL			262144
+#define DANUBE_WDT_CLKDIV0				0
+#define DANUBE_WDT_CLKDIV1				1
+#define DANUBE_WDT_CLKDIV2				2
+#define DANUBE_WDT_CLKDIV3				3
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/ifx_peripheral_definitions.h b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_peripheral_definitions.h
new file mode 100644
index 0000000000..5bd788fff6
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_peripheral_definitions.h
@@ -0,0 +1,119 @@
+//*************************************************************************
+//* Summary of definitions which are used in each peripheral              *
+//*************************************************************************
+
+#ifndef peripheral_definitions_h
+#define peripheral_definitions_h
+
+////#include "cpu.h"
+//
+///* These files have to be included by each peripheral */
+//#include <sysdefs.h>
+//#include <excep.h>
+//#include <cpusubsys.h>
+//#include <sys_api.h>
+//#include <mips.h>
+//#include "SRAM_address_map.h"
+//
+///* common header files for all CPU's */
+//#include "iiu.h"
+//#include "bcu.h"
+//#include "FPI_address_map.h"
+//#include "direct_interrupts.h"
+
+/////////////////////////////////////////////////////////////////////////
+
+//extern  int _clz();
+//extern void _nop();
+//extern void _sleep();
+//extern void sys_enable_int();
+
+typedef unsigned char UINT8;
+typedef signed char INT8;
+typedef unsigned short UINT16;
+typedef signed short INT16;
+typedef unsigned int UINT32;
+typedef signed int INT32;
+typedef unsigned long long UINT64;
+typedef signed long long INT64;
+
+#define REG8( addr )		  (*(volatile UINT8 *) (addr))
+#define REG16( addr )		  (*(volatile UINT16 *)(addr))
+#define REG32( addr )		  (*(volatile UINT32 *)(addr))
+#define REG64( addr )		  (*(volatile UINT64 *)(addr))
+
+/* define routine to set FPI access in Supervisor Mode */
+#define IFX_SUPERVISOR_ON()                         REG32(FB0_CFG) = 0x01
+/* Supervisor mode ends, following functions will be done in User mode */
+#define IFX_SUPERVISOR_OFF()                        REG32(FB0_CFG) = 0x00
+/* Supervisor mode ends, following functions will be done in User mode */
+#define IFX_SUPERVISOR_MODE()                       REG32(FB0_CFG)
+/* Supervisor mode ends, following functions will be done in User mode */
+#define IFX_SUPERVISOR_SET(svm)                     REG32(FB0_CFG) = svm
+/* enable all Interrupts in IIU */
+//#define IFX_ENABLE_IRQ(irq_mask, im_base)           REG32(im_base | IIU_MASK) = irq_mask
+///* get all high priority interrupt bits in IIU */
+//#define IFX_GET_IRQ_MASKED(im_base)                 REG32(im_base | IIU_IRMASKED)
+///* signal ends of interrupt to IIU */
+//#define IFX_CLEAR_DIRECT_IRQ(irq_bit, im_base)      REG32(im_base | IIU_IR) = irq_bit
+///* force IIU interrupt register */
+//#define IFX_FORCE_IIU_REGISTER(data, im_base)       REG32(im_base | IIU_IRDEBUG) = data
+///* get all bits of interrupt register */
+//#define IFX_GET_IRQ_UNMASKED(im_base)               REG32(im_base | IIU_IR)
+/* insert a NOP instruction */
+#define NOP                                     _nop()
+/* CPU goes to power down mode until interrupt occurs */
+#define IFX_CPU_SLEEP                               _sleep()
+/* enable all interrupts to CPU */
+#define IFX_CPU_ENABLE_ALL_INTERRUPT                sys_enable_int()
+/* get all low priority interrupt bits in peripheral */
+#define IFX_GET_LOW_PRIO_IRQ(int_reg)               REG32(int_reg)
+/* clear low priority interrupt bit in peripheral */
+#define IFX_CLEAR_LOW_PRIO_IRQ(irq_bit, int_reg)    REG32(int_reg) = irq_bit
+/* write FPI bus */
+#define WRITE_FPI_BYTE(data, addr)              REG8(addr) = data
+#define WRITE_FPI_16BIT(data, addr)             REG16(addr) = data
+#define WRITE_FPI_32BIT(data, addr)             REG32(addr) = data
+/* read FPI bus */
+#define READ_FPI_BYTE(addr)                     REG8(addr)
+#define READ_FPI_16BIT(addr)                    REG16(addr)
+#define READ_FPI_32BIT(addr)                    REG32(addr)
+/* write peripheral register */
+#define WRITE_PERIPHERAL_REGISTER(data, addr)   REG32(addr) = data
+
+#ifdef	CONFIG_CPU_LITTLE_ENDIAN
+#define WRITE_PERIPHERAL_REGISTER_16(data, addr) REG16(addr) = data
+#define WRITE_PERIPHERAL_REGISTER_8(data, addr) REG8(addr) = data
+#else //not CONFIG_CPU_LITTLE_ENDIAN
+#define WRITE_PERIPHERAL_REGISTER_16(data, addr) REG16(addr+2) = data
+#define WRITE_PERIPHERAL_REGISTER_8(data, addr) REG8(addr+3) = data
+#endif //CONFIG_CPU_LITTLE_ENDIAN
+
+/* read peripheral register */
+#define READ_PERIPHERAL_REGISTER(addr)          REG32(addr)
+
+/* read/modify(or)/write peripheral register */
+#define RMW_OR_PERIPHERAL_REGISTER(data, addr)	REG32(addr) = REG32(addr) | data
+/* read/modify(and)/write peripheral register */
+#define RMW_AND_PERIPHERAL_REGISTER(data, addr)	REG32(addr) = REG32(addr) & (UINT32)data
+
+/* CPU-independent mnemonic constants */
+/* CLC register bits */
+#define IFX_CLC_ENABLE                0x00000000
+#define IFX_CLC_DISABLE               0x00000001
+#define IFX_CLC_DISABLE_STATUS        0x00000002
+#define IFX_CLC_SUSPEND_ENABLE        0x00000004
+#define IFX_CLC_CLOCK_OFF_DISABLE     0x00000008
+#define IFX_CLC_OVERWRITE_SPEN_FSOE   0x00000010
+#define IFX_CLC_FAST_CLOCK_SWITCH_OFF 0x00000020
+#define IFX_CLC_RUN_DIVIDER_MASK      0x0000FF00
+#define IFX_CLC_RUN_DIVIDER_OFFSET    8
+#define IFX_CLC_SLEEP_DIVIDER_MASK    0x00FF0000
+#define IFX_CLC_SLEEP_DIVIDER_OFFSET  16
+#define IFX_CLC_SPECIFIC_DIVIDER_MASK 0x00FF0000
+#define IFX_CLC_SPECIFIC_DIVIDER_OFFSET 24
+
+/* number of cycles to wait for interrupt service routine to be called */
+#define WAIT_CYCLES   50
+
+#endif /* PERIPHERAL_DEFINITIONS_H not yet defined */
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc.h b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc.h
new file mode 100644
index 0000000000..e541c8ec3b
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc.h
@@ -0,0 +1,258 @@
+/*
+ * ifx_ssc.h defines some data sructures used in ifx_ssc.c
+ *
+ * Copyright (C) 2004 Michael Schoenenborn (IFX COM TI BT)
+ *
+ *
+ */
+
+#ifndef __IFX_SSC_H
+#define __IFX_SSC_H
+#ifdef __KERNEL__
+#include <asm/danube/ifx_ssc_defines.h>
+#endif //__KERNEL__
+
+#define PORT_CNT		1	// assume default value
+
+/* symbolic constants to be used in SSC routines */
+
+// ### TO DO: bad performance
+#define IFX_SSC_TXFIFO_ITL	1
+#define IFX_SSC_RXFIFO_ITL	1
+
+struct ifx_ssc_statistics {
+	unsigned int abortErr;	/* abort error */
+	unsigned int modeErr;	/* master/slave mode error */
+	unsigned int txOvErr;	/* TX Overflow error */
+	unsigned int txUnErr;	/* TX Underrun error */
+	unsigned int rxOvErr;	/* RX Overflow error */
+	unsigned int rxUnErr;	/* RX Underrun error */
+	unsigned int rxBytes;
+	unsigned int txBytes;
+};
+
+struct ifx_ssc_hwopts {
+	unsigned int AbortErrDetect:1;	/* Abort Error detection (in slave mode) */
+	unsigned int rxOvErrDetect:1;	/* Receive Overflow Error detection */
+	unsigned int rxUndErrDetect:1;	/* Receive Underflow Error detection */
+	unsigned int txOvErrDetect:1;	/* Transmit Overflow Error detection */
+	unsigned int txUndErrDetect:1;	/* Transmit Underflow Error detection */
+	unsigned int echoMode:1;	/* Echo mode */
+	unsigned int loopBack:1;	/* Loopback mode */
+	unsigned int idleValue:1;	/* Idle value */
+	unsigned int clockPolarity:1;	/* Idle clock is high or low */
+	unsigned int clockPhase:1;	/* Tx on trailing or leading edge */
+	unsigned int headingControl:1;	/* LSB first or MSB first */
+	unsigned int dataWidth:6;	/* from 2 up to 32 bits */
+	unsigned int masterSelect:1;	/* Master or Slave mode */
+	unsigned int modeRxTx:2;	/* rx/tx mode */
+	unsigned int gpoCs:8;	/* choose outputs to use for chip select */
+	unsigned int gpoInv:8;	/* invert GPO outputs */
+};
+
+struct ifx_ssc_frm_opts {
+	bool FrameEnable;	// SFCON.SFEN
+	unsigned int DataLength;	// SFCON.DLEN
+	unsigned int PauseLength;	// SFCON.PLEN
+	unsigned int IdleData;	// SFCON.IDAT
+	unsigned int IdleClock;	// SFCON.ICLK
+	bool StopAfterPause;	// SFCON.STOP
+};
+
+struct ifx_ssc_frm_status {
+	bool DataBusy;		// SFSTAT.DBSY
+	bool PauseBusy;		// SFSTAT.PBSY
+	unsigned int DataCount;	// SFSTAT.DCNT
+	unsigned int PauseCount;	// SFSTAT.PCNT
+	bool EnIntAfterData;	// SFCON.IBEN
+	bool EnIntAfterPause;	// SFCON.IAEN
+};
+
+typedef struct {
+	char *buf;
+	size_t len;
+} ifx_ssc_buf_item_t;
+
+// data structures for batch execution
+typedef union {
+	struct {
+		bool save_options;
+	} init;
+	ifx_ssc_buf_item_t read;
+	ifx_ssc_buf_item_t write;
+	ifx_ssc_buf_item_t rd_wr;
+	unsigned int set_baudrate;
+	struct ifx_ssc_frm_opts set_frm;
+	unsigned int set_gpo;
+	struct ifx_ssc_hwopts set_hwopts;
+} ifx_ssc_batch_cmd_param;
+
+struct ifx_ssc_batch_list {
+	unsigned int cmd;
+	ifx_ssc_batch_cmd_param cmd_param;
+	struct ifx_ssc_batch_list *next;
+};
+
+#ifdef __KERNEL__
+#define IFX_SSC_IS_MASTER(p) ((p)->opts.masterSelect == SSC_MASTER_MODE)
+
+struct ifx_ssc_port {
+	unsigned long mapbase;
+	struct ifx_ssc_hwopts opts;
+	struct ifx_ssc_statistics stats;
+	struct ifx_ssc_frm_status frm_status;
+	struct ifx_ssc_frm_opts frm_opts;
+	/* wait queue for ifx_ssc_read() */
+	wait_queue_head_t rwait, pwait;
+	int port_nr;
+	char port_is_open;	/* exclusive open  - boolean */
+//      int no_of_bits; /* number of _valid_ bits */
+//      int elem_size; /* shift for element (no of bytes)*/
+	/* buffer and pointers to the read/write position */
+	char *rxbuf;		/* buffer for RX */
+	char *rxbuf_end;	/* buffer end pointer for RX */
+	volatile char *rxbuf_ptr;	/* buffer write pointer for RX */
+	char *txbuf;		/* buffer for TX */
+	char *txbuf_end;	/* buffer end pointer for TX */
+	volatile char *txbuf_ptr;	/* buffer read pointer for TX */
+	unsigned int baud;
+	/* each channel has its own interrupts */
+	/* (transmit/receive/error/frame) */
+	unsigned int txirq, rxirq, errirq, frmirq;
+};
+/* default values for SSC configuration */
+// values of CON
+#define IFX_SSC_DEF_IDLE_DATA       1	/* enable */
+#define IFX_SSC_DEF_BYTE_VALID_CTL  1	/* enable */
+#define IFX_SSC_DEF_DATA_WIDTH      32	/* bits */
+#define IFX_SSC_DEF_ABRT_ERR_DETECT 0	/* disable */
+#define IFX_SSC_DEF_RO_ERR_DETECT   1	/* enable */
+#define IFX_SSC_DEF_RU_ERR_DETECT   0	/* disable */
+#define IFX_SSC_DEF_TO_ERR_DETECT   0	/* disable */
+#define IFX_SSC_DEF_TU_ERR_DETECT   0	/* disable */
+#define IFX_SSC_DEF_LOOP_BACK       0	/* disable */
+#define IFX_SSC_DEF_ECHO_MODE       0	/* disable */
+#define IFX_SSC_DEF_CLOCK_POLARITY  0	/* low */
+#define IFX_SSC_DEF_CLOCK_PHASE     1	/* 0: shift on leading edge, latch on trailling edge, 1, otherwise */
+#define IFX_SSC_DEF_HEADING_CONTROL IFX_SSC_MSB_FIRST
+#define IFX_SSC_DEF_MODE_RXTX	    IFX_SSC_MODE_RXTX
+// other values
+#define IFX_SSC_DEF_MASTERSLAVE	    IFX_SSC_MASTER_MODE	/* master */
+#ifdef CONFIG_USE_EMULATOR
+#define IFX_SSC_DEF_BAUDRATE	    10000
+#else
+#define IFX_SSC_DEF_BAUDRATE	    2000000
+#endif
+#define IFX_SSC_DEF_RMC	    	    0x10
+
+#define IFX_SSC_DEF_TXFIFO_FL       8
+#define IFX_SSC_DEF_RXFIFO_FL       1
+
+#if 1				//TODO
+#define IFX_SSC_DEF_GPO_CS	    0x3	/* no chip select */
+#define IFX_SSC_DEF_GPO_INV	    0	/* no chip select */
+#else
+#error "what is ur Chip Select???"
+#endif
+#define IFX_SSC_DEF_SFCON	    0	/* no serial framing */
+#if 0
+#define IFX_SSC_DEF_IRNEN	    IFX_SSC_T_BIT | /* enable all int's */\
+				    IFX_SSC_R_BIT | IFX_SSC_E_BIT | IFX_SSC_F_BIT
+#endif
+#define IFX_SSC_DEF_IRNEN	    IFX_SSC_T_BIT | /* enable all int's */\
+				    IFX_SSC_R_BIT | IFX_SSC_E_BIT
+#endif /* __KERNEL__ */
+
+// batch execution commands
+#define IFX_SSC_BATCH_CMD_INIT		1
+#define IFX_SSC_BATCH_CMD_READ		2
+#define IFX_SSC_BATCH_CMD_WRITE		3
+#define IFX_SSC_BATCH_CMD_RD_WR		4
+#define IFX_SSC_BATCH_CMD_SET_BAUDRATE	5
+#define IFX_SSC_BATCH_CMD_SET_HWOPTS	6
+#define IFX_SSC_BATCH_CMD_SET_FRM	7
+#define IFX_SSC_BATCH_CMD_SET_GPO	8
+#define IFX_SSC_BATCH_CMD_FIFO_FLUSH	9
+//#define IFX_SSC_BATCH_CMD_    
+//#define IFX_SSC_BATCH_CMD_    
+#define IFX_SSC_BATCH_CMD_END_EXEC	0
+
+/* Macros to configure SSC hardware */
+/* headingControl: */
+#define IFX_SSC_LSB_FIRST            0
+#define IFX_SSC_MSB_FIRST            1
+/* dataWidth: */
+#define IFX_SSC_MIN_DATA_WIDTH       2
+#define IFX_SSC_MAX_DATA_WIDTH       32
+/* master/slave mode select */
+#define IFX_SSC_MASTER_MODE          1
+#define IFX_SSC_SLAVE_MODE           0
+/* rx/tx mode */
+// ### TO DO: !!! ATTENTION! Hardware dependency => move to ifx_ssc_defines.h
+#define IFX_SSC_MODE_RXTX	     0
+#define IFX_SSC_MODE_RX		     1
+#define IFX_SSC_MODE_TX		     2
+#define IFX_SSC_MODE_OFF	     3
+#define IFX_SSC_MODE_MASK	     IFX_SSC_MODE_RX | IFX_SSC_MODE_TX
+
+/* GPO values */
+#define IFX_SSC_MAX_GPO_OUT	     7
+
+#define IFX_SSC_RXREQ_BLOCK_SIZE     32768
+
+/***********************/
+/* defines for ioctl's */
+/***********************/
+#define IFX_SSC_IOCTL_MAGIC     'S'
+/* read out the statistics */
+#define IFX_SSC_STATS_READ _IOR(IFX_SSC_IOCTL_MAGIC, 1, struct ifx_ssc_statistics)
+/* clear the statistics */
+#define IFX_SSC_STATS_RESET _IO(IFX_SSC_IOCTL_MAGIC, 2)
+/* set the baudrate */
+#define IFX_SSC_BAUD_SET _IOW(IFX_SSC_IOCTL_MAGIC, 3, unsigned int)
+/* get the current baudrate */
+#define IFX_SSC_BAUD_GET _IOR(IFX_SSC_IOCTL_MAGIC, 4, unsigned int)
+/* set hardware options */
+#define IFX_SSC_HWOPTS_SET _IOW(IFX_SSC_IOCTL_MAGIC, 5, struct ifx_ssc_hwopts)
+/* get the current hardware options */
+#define IFX_SSC_HWOPTS_GET _IOR(IFX_SSC_IOCTL_MAGIC, 6, struct ifx_ssc_hwopts)
+/* set transmission mode */
+#define IFX_SSC_RXTX_MODE_SET _IOW(IFX_SSC_IOCTL_MAGIC, 7, unsigned int)
+/* get the current transmission mode */
+#define IFX_SSC_RXTX_MODE_GET _IOR(IFX_SSC_IOCTL_MAGIC, 8, unsigned int)
+/* abort transmission */
+#define IFX_SSC_ABORT _IO(IFX_SSC_IOCTL_MAGIC, 9)
+#define IFX_SSC_FIFO_FLUSH _IO(IFX_SSC_IOCTL_MAGIC, 9)
+
+/* set general purpose outputs */
+#define IFX_SSC_GPO_OUT_SET _IOW(IFX_SSC_IOCTL_MAGIC, 32, unsigned int)
+/* clear general purpose outputs */
+#define IFX_SSC_GPO_OUT_CLR _IOW(IFX_SSC_IOCTL_MAGIC, 33, unsigned int)
+/* get general purpose outputs */
+#define IFX_SSC_GPO_OUT_GET _IOR(IFX_SSC_IOCTL_MAGIC, 34, unsigned int)
+
+/*** serial framing ***/
+/* get status of serial framing */
+#define IFX_SSC_FRM_STATUS_GET _IOR(IFX_SSC_IOCTL_MAGIC, 48, struct ifx_ssc_frm_status)
+/* get counter reload values and control bits */
+#define IFX_SSC_FRM_CONTROL_GET _IOR(IFX_SSC_IOCTL_MAGIC, 49, struct ifx_ssc_frm_opts)
+/* set counter reload values and control bits */
+#define IFX_SSC_FRM_CONTROL_SET _IOW(IFX_SSC_IOCTL_MAGIC, 50, struct ifx_ssc_frm_opts)
+
+/*** batch execution ***/
+/* do batch execution */
+#define IFX_SSC_BATCH_EXEC _IOW(IFX_SSC_IOCTL_MAGIC, 64, struct ifx_ssc_batch_list)
+
+#ifdef __KERNEL__
+// routines from ifx_ssc.c
+// ### TO DO
+/* kernel interface for read and write */
+ssize_t ifx_ssc_kread (int, char *, size_t);
+ssize_t ifx_ssc_kwrite (int, const char *, size_t);
+
+#ifdef CONFIG_IFX_VP_KERNEL_TEST
+void ifx_ssc_tc (void);
+#endif // CONFIG_IFX_VP_KERNEL_TEST
+
+#endif //__KERNEL__
+#endif // __IFX_SSC_H
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc_defines.h b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc_defines.h
new file mode 100644
index 0000000000..805d48ad84
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/danube/ifx_ssc_defines.h
@@ -0,0 +1,547 @@
+#ifndef IFX_SSC_DEFINES_H
+#define IFX_SSC_DEFINES_H
+
+#include "ifx_peripheral_definitions.h"
+
+/* maximum SSC FIFO size */
+#define IFX_SSC_MAX_FIFO_SIZE 32
+
+/* register map of SSC  */
+
+/* address of the Clock Control Register of the SSC */
+#define IFX_SSC_CLC                 0x00000000
+/* IFX_SSC_CLC register is significant in bits 23 downto 8 and in bits 5, 3, 2, 0  
+   bit 1 is hardware modified*/
+#define IFX_SSC_CLC_readmask  0x00FFFFEF
+#define IFX_SSC_CLC_writemask 0x00FFFF3D
+#define IFX_SSC_CLC_hwmask    0x00000002
+#define IFX_SSC_CLC_dontcare (IFX_SSC_CLC_readmask & IFX_SSC_CLC_writemask & ~IFX_SSC_CLC_hwmask)
+
+/* address of Port Input Select Register of the SSC */
+#define IFX_SSC_PISEL 0x00000004
+/* IFX_SSC_PISEL register is significant in lowest three bits only */
+#define IFX_SSC_PISEL_readmask  0x00000007
+#define IFX_SSC_PISEL_writemask 0x00000007
+#define IFX_SSC_PISEL_hwmask    0x00000000
+#define IFX_SSC_PISEL_dontcare (IFX_SSC_PISEL_readmask & IFX_SSC_PISEL_writemask & ~IFX_SSC_PISEL_hwmask)
+
+/* address of Identification Register of the SSC */
+#define IFX_SSC_ID 0x00000008
+/* IFX_SSC_ID register is significant in no bit */
+#define IFX_SSC_ID_readmask  0x0000FF3F
+#define IFX_SSC_ID_writemask 0x00000000
+#define IFX_SSC_ID_hwmask    0x00000000
+#define IFX_SSC_ID_dontcare (IFX_SSC_ID_readmask & IFX_SSC_ID_writemask & ~IFX_SSC_ID_hwmask)
+
+/* address of the Control Register of the SSC */
+#define IFX_SSC_CON            0x00000010
+/* IFX_SSC_CON register is significant in bits 23:22, 20:16 and 12:0 */
+#define IFX_SSC_CON_readmask  0x01DF1FFF
+#define IFX_SSC_CON_writemask 0x01DF1FFF
+#define IFX_SSC_CON_hwmask    0x00000000
+#define IFX_SSC_CON_dontcare (IFX_SSC_CON_readmask & IFX_SSC_CON_writemask & ~IFX_SSC_CON_hwmask)
+
+/* address of the Status Register of the SSC */
+#define IFX_SSC_STATE          0x00000014
+/* IFX_SSC_STATE register is readable in bits 30:28, 26:24, 20:16, 12:7 and 2:0
+   all bits except 1:0 are hardware modified */
+#define IFX_SSC_STATE_readmask  0x771F3F87
+#define IFX_SSC_STATE_writemask 0x00000000
+#define IFX_SSC_STATE_hwmask    0x771F3F84
+#define IFX_SSC_STATE_dontcare (IFX_SSC_STATE_readmask & IFX_SSC_STATE_writemask & ~IFX_SSC_STATE_hwmask)
+
+/* address of the Write Hardware Modified Control Register Bits of the SSC */
+#define IFX_SSC_WHBSTATE            0x00000018
+/* IFX_SSC_WHBSTATE register is write only */
+#define IFX_SSC_WHBSTATE_readmask  0x00000000
+#define IFX_SSC_WHBSTATE_writemask 0x0000FFFF
+#define IFX_SSC_WHBSTATE_hwmask    0x00000000
+#define IFX_SSC_WHBSTATE_dontcare (IFX_SSC_WHBSTATE_readmask & IFX_SSC_WHBSTATE_writemask & ~IFX_SSC_WHBSTATE_hwmask)
+
+/* address of the Baudrate Timer Reload Register of the SSC */
+#define IFX_SSC_BR              0x00000040
+/* IFX_SSC_BR register is significant in  bit 15 downto 0*/
+#define IFX_SSC_BR_readmask  0x0000FFFF
+#define IFX_SSC_BR_writemask 0x0000FFFF
+#define IFX_SSC_BR_hwmask    0x00000000
+#define IFX_SSC_BR_dontcare (IFX_SSC_BR_readmask & IFX_SSC_BR_writemask & ~IFX_SSC_BR_hwmask)
+
+/* address of the Baudrate Timer Status Register of the SSC */
+#define IFX_SSC_BRSTAT              0x00000044
+/* IFX_SSC_BRSTAT register is significant in  bit 15 downto 0*/
+#define IFX_SSC_BRSTAT_readmask  0x0000FFFF
+#define IFX_SSC_BRSTAT_writemask 0x00000000
+#define IFX_SSC_BRSTAT_hwmask    0x0000FFFF
+#define IFX_SSC_BRSTAT_dontcare (IFX_SSC_BRSTAT_readmask & IFX_SSC_BRSTAT_writemask & ~IFX_SSC_BRSTAT_hwmask)
+
+/* address of the Transmitter Buffer Register of the SSC */
+#define IFX_SSC_TB              0x00000020
+/* IFX_SSC_TB register is significant in  bit 31 downto 0*/
+#define IFX_SSC_TB_readmask  0xFFFFFFFF
+#define IFX_SSC_TB_writemask 0xFFFFFFFF
+#define IFX_SSC_TB_hwmask    0x00000000
+#define IFX_SSC_TB_dontcare (IFX_SSC_TB_readmask & IFX_SSC_TB_writemask & ~IFX_SSC_TB_hwmask)
+
+/* address of the Reciver Buffer Register of the SSC */
+#define IFX_SSC_RB              0x00000024
+/* IFX_SSC_RB register is significant in no bits*/
+#define IFX_SSC_RB_readmask  0xFFFFFFFF
+#define IFX_SSC_RB_writemask 0x00000000
+#define IFX_SSC_RB_hwmask    0xFFFFFFFF
+#define IFX_SSC_RB_dontcare (IFX_SSC_RB_readmask & IFX_SSC_RB_writemask & ~IFX_SSC_RB_hwmask)
+
+/* address of the Receive FIFO Control Register of the SSC */
+#define IFX_SSC_RXFCON              0x00000030
+/* IFX_SSC_RXFCON register is significant in bit 13 downto 8 and bit 1 downto 0 */
+#define IFX_SSC_RXFCON_readmask  0x00003F03
+#define IFX_SSC_RXFCON_writemask 0x00003F03
+#define IFX_SSC_RXFCON_hwmask    0x00000000
+#define IFX_SSC_RXFCON_dontcare (IFX_SSC_RXFCON_readmask & IFX_SSC_RXFCON_writemask & ~IFX_SSC_RXFCON_hwmask)
+
+/* address of the Transmit FIFO Control Register of the SSC */
+#define IFX_SSC_TXFCON              0x00000034
+/* IFX_SSC_TXFCON register is significant in bit 13 downto 8 and bit 1 downto 0 */
+#define IFX_SSC_TXFCON_readmask  0x00003F03
+#define IFX_SSC_TXFCON_writemask 0x00003F03
+#define IFX_SSC_TXFCON_hwmask    0x00000000
+#define IFX_SSC_TXFCON_dontcare (IFX_SSC_TXFCON_readmask & IFX_SSC_TXFCON_writemask & ~IFX_SSC_TXFCON_hwmask)
+
+/* address of the FIFO Status Register of the SSC */
+#define IFX_SSC_FSTAT               0x00000038
+/* IFX_SSC_FSTAT register is significant in no bit*/
+#define IFX_SSC_FSTAT_readmask  0x00003F3F
+#define IFX_SSC_FSTAT_writemask 0x00000000
+#define IFX_SSC_FSTAT_hwmask    0x00003F3F
+#define IFX_SSC_FSTAT_dontcare (IFX_SSC_FSTAT_readmask & IFX_SSC_FSTAT_writemask & ~IFX_SSC_FSTAT_hwmask)
+
+/* address of the Data Frame Control register of the SSC */
+#define IFX_SSC_SFCON               0x00000060
+#define IFX_SSC_SFCON_readmask  0xFFDFFFFD
+#define IFX_SSC_SFCON_writemask 0xFFDFFFFD
+#define IFX_SSC_SFCON_hwmask    0x00000000
+#define IFX_SSC_SFCON_dontcare (IFX_SSC_SFCON_readmask & IFX_SSC_SFCON_writemask & ~IFX_SSC_SFCON_hwmask)
+
+/* address of the Data Frame Status register of the SSC */
+#define IFX_SSC_SFSTAT               0x00000064
+#define IFX_SSC_SFSTAT_readmask  0xFFC0FFF3
+#define IFX_SSC_SFSTAT_writemask 0x00000000
+#define IFX_SSC_SFSTAT_hwmask    0xFFC0FFF3
+#define IFX_SSC_SFSTAT_dontcare (IFX_SSC_SFSTAT_readmask & IFX_SSC_SFSTAT_writemask & ~IFX_SSC_SFSTAT_hwmask)
+
+/* address of the General Purpose Output Control register of the SSC */
+#define IFX_SSC_GPOCON               0x00000070
+#define IFX_SSC_GPOCON_readmask  0x0000FFFF
+#define IFX_SSC_GPOCON_writemask 0x0000FFFF
+#define IFX_SSC_GPOCON_hwmask    0x00000000
+#define IFX_SSC_GPOCON_dontcare (IFX_SSC_GPOCON_readmask & IFX_SSC_GPOCON_writemask & ~IFX_SSC_GPOCON_hwmask)
+
+/* address of the General Purpose Output Status register of the SSC */
+#define IFX_SSC_GPOSTAT               0x00000074
+#define IFX_SSC_GPOSTAT_readmask  0x000000FF
+#define IFX_SSC_GPOSTAT_writemask 0x00000000
+#define IFX_SSC_GPOSTAT_hwmask    0x00000000
+#define IFX_SSC_GPOSTAT_dontcare (IFX_SSC_GPOSTAT_readmask & IFX_SSC_GPOSTAT_writemask & ~IFX_SSC_GPOSTAT_hwmask)
+
+/* address of the Force GPO Status register of the SSC */
+#define IFX_SSC_WHBGPOSTAT               0x00000078
+#define IFX_SSC_WHBGPOSTAT_readmask  0x00000000
+#define IFX_SSC_WHBGPOSTAT_writemask 0x0000FFFF
+#define IFX_SSC_WHBGPOSTAT_hwmask    0x00000000
+#define IFX_SSC_WHBGPOSTAT_dontcare (IFX_SSC_WHBGPOSTAT_readmask & IFX_SSC_WHBGPOSTAT_writemask & ~IFX_SSC_WHBGPOSTAT_hwmask)
+
+/* address of the Receive Request Register of the SSC */
+#define IFX_SSC_RXREQ               0x00000080
+#define IFX_SSC_RXREQ_readmask  0x0000FFFF
+#define IFX_SSC_RXREQ_writemask 0x0000FFFF
+#define IFX_SSC_RXREQ_hwmask    0x00000000
+#define IFX_SSC_RXREQ_dontcare (IFX_SSC_RXREQ_readmask & IFX_SSC_RXREQ_writemask & ~IFX_SSC_RXREQ_hwmask)
+
+/* address of the Receive Count Register of the SSC */
+#define IFX_SSC_RXCNT               0x00000084
+#define IFX_SSC_RXCNT_readmask  0x0000FFFF
+#define IFX_SSC_RXCNT_writemask 0x00000000
+#define IFX_SSC_RXCNT_hwmask    0x0000FFFF
+#define IFX_SSC_RXCNT_dontcare (IFX_SSC_RXCNT_readmask & IFX_SSC_RXCNT_writemask & ~IFX_SSC_RXCNT_hwmask)
+
+/* address of the DMA Configuration Register of the SSC */
+#define IFX_SSC_DMACON               0x000000EC
+#define IFX_SSC_DMACON_readmask  0x0000FFFF
+#define IFX_SSC_DMACON_writemask 0x00000000
+#define IFX_SSC_DMACON_hwmask    0x0000FFFF
+#define IFX_SSC_DMACON_dontcare (IFX_SSC_DMACON_readmask & IFX_SSC_DMACON_writemask & ~IFX_SSC_DMACON_hwmask)
+
+//------------------------------------------------------
+// interrupt register for enabling interrupts, mask register of irq_reg
+#define IFX_SSC_IRN_EN 0xF4
+// read/write
+#define IFX_SSC_IRN_EN_readmask  0x0000000F
+#define IFX_SSC_IRN_EN_writemask 0x0000000F
+#define IFX_SSC_IRN_EN_hwmask    0x00000000
+#define IFX_SSC_IRN_EN_dontcare  (IFX_SSC_IRN_EN_readmask & IFX_SSC_IRN_EN_writemask & ~IFX_SSC_IRN_EN_hwmask)
+
+// interrupt register for accessing interrupts
+#define IFX_SSC_IRN_CR                0xF8
+// read/write
+#define IFX_SSC_IRN_CR_readmask  0x0000000F
+#define IFX_SSC_IRN_CR_writemask 0x0000000F
+#define IFX_SSC_IRN_CR_hwmask    0x0000000F
+#define IFX_SSC_IRN_CR_dontcare  (IFX_SSC_IRN_CR_readmask & IFX_SSC_IRN_CR_writemask & ~IFX_SSC_IRN_CR_hwmask)
+
+// interrupt register for stimulating interrupts
+#define IFX_SSC_IRN_ICR                  0xFC
+// read/write
+#define IFX_SSC_IRN_ICR_readmask  0x0000000F
+#define IFX_SSC_IRN_ICR_writemask 0x0000000F
+#define IFX_SSC_IRN_ICR_hwmask    0x00000000
+#define IFX_SSC_IRN_ICR_dontcare  (IFX_SSC_IRN_ICR_readmask & IFX_SSC_IRN_ICR_writemask & ~IFX_SSC_IRN_ICR_hwmask)
+
+//---------------------------------------------------------------------
+// Number of IRQs and bitposition of IRQ
+#define IFX_SSC_NUM_IRQ           4
+#define IFX_SSC_T_BIT       0x00000001
+#define IFX_SSC_R_BIT       0x00000002
+#define IFX_SSC_E_BIT       0x00000004
+#define IFX_SSC_F_BIT       0x00000008
+
+/* bit masks for SSC registers */
+
+/* ID register */
+#define IFX_SSC_PERID_REV_MASK      0x0000001F
+#define IFX_SSC_PERID_CFG_MASK      0x00000020
+#define IFX_SSC_PERID_ID_MASK       0x0000FF00
+#define IFX_SSC_PERID_REV_OFFSET    0
+#define IFX_SSC_PERID_CFG_OFFSET    5
+#define IFX_SSC_PERID_ID_OFFSET     8
+#define IFX_SSC_PERID_ID            0x45
+#define IFX_SSC_PERID_DMA_ON        0x00000020
+#define IFX_SSC_PERID_RXFS_MASK     0x003F0000
+#define IFX_SSC_PERID_RXFS_OFFSET   16
+#define IFX_SSC_PERID_TXFS_MASK     0x3F000000
+#define IFX_SSC_PERID_TXFS_OFFSET   24
+
+/* PISEL register */
+#define IFX_SSC_PISEL_MASTER_IN_A       0x0000
+#define IFX_SSC_PISEL_MASTER_IN_B       0x0001
+#define IFX_SSC_PISEL_SLAVE_IN_A        0x0000
+#define IFX_SSC_PISEL_SLAVE_IN_B        0x0002
+#define IFX_SSC_PISEL_CLOCK_IN_A        0x0000
+#define IFX_SSC_PISEL_CLOCK_IN_B        0x0004
+
+/* IFX_SSC_CON register */
+#define IFX_SSC_CON_ECHO_MODE_ON       0x01000000
+#define IFX_SSC_CON_ECHO_MODE_OFF      0x00000000
+#define IFX_SSC_CON_IDLE_HIGH          0x00800000
+#define IFX_SSC_CON_IDLE_LOW           0x00000000
+#define IFX_SSC_CON_ENABLE_BYTE_VALID  0x00400000
+#define IFX_SSC_CON_DISABLE_BYTE_VALID 0x00000000
+#define IFX_SSC_CON_DATA_WIDTH_OFFSET  16
+#define IFX_SSC_CON_DATA_WIDTH_MASK    0x001F0000
+#define IFX_SSC_ENCODE_DATA_WIDTH(width) (((width - 1) << IFX_SSC_CON_DATA_WIDTH_OFFSET) & IFX_SSC_CON_DATA_WIDTH_MASK)
+
+#define IFX_SSC_CON_RESET_ON_BAUDERR   0x00002000
+#define IFX_SSC_CON_GO_ON_ON_BAUDERR   0x00000000
+
+#define IFX_SSC_CON_RX_UFL_CHECK       0x00001000
+#define IFX_SSC_CON_RX_UFL_IGNORE      0x00000000
+#define IFX_SSC_CON_TX_UFL_CHECK       0x00000800
+#define IFX_SSC_CON_TX_UFL_IGNORE      0x00000000
+#define IFX_SSC_CON_ABORT_ERR_CHECK    0x00000400
+#define IFX_SSC_CON_ABORT_ERR_IGNORE   0x00000000
+#define IFX_SSC_CON_RX_OFL_CHECK       0x00000200
+#define IFX_SSC_CON_RX_OFL_IGNORE      0x00000000
+#define IFX_SSC_CON_TX_OFL_CHECK       0x00000100
+#define IFX_SSC_CON_TX_OFL_IGNORE      0x00000000
+#define IFX_SSC_CON_ALL_ERR_CHECK      0x00001F00
+#define IFX_SSC_CON_ALL_ERR_IGNORE     0x00000000
+
+#define IFX_SSC_CON_LOOPBACK_MODE      0x00000080
+#define IFX_SSC_CON_NO_LOOPBACK        0x00000000
+#define IFX_SSC_CON_HALF_DUPLEX        0x00000080
+#define IFX_SSC_CON_FULL_DUPLEX        0x00000000
+#define IFX_SSC_CON_CLOCK_FALL         0x00000040
+#define IFX_SSC_CON_CLOCK_RISE         0x00000000
+#define IFX_SSC_CON_SHIFT_THEN_LATCH   0x00000000
+#define IFX_SSC_CON_LATCH_THEN_SHIFT   0x00000020
+#define IFX_SSC_CON_MSB_FIRST          0x00000010
+#define IFX_SSC_CON_LSB_FIRST          0x00000000
+#define IFX_SSC_CON_ENABLE_CSB         0x00000008
+#define IFX_SSC_CON_DISABLE_CSB        0x00000000
+#define IFX_SSC_CON_INVERT_CSB         0x00000004
+#define IFX_SSC_CON_TRUE_CSB           0x00000000
+#define IFX_SSC_CON_RX_OFF             0x00000002
+#define IFX_SSC_CON_RX_ON              0x00000000
+#define IFX_SSC_CON_TX_OFF             0x00000001
+#define IFX_SSC_CON_TX_ON              0x00000000
+
+/* IFX_SSC_STATE register */
+#define IFX_SSC_STATE_RX_BYTE_VALID_OFFSET 28
+#define IFX_SSC_STATE_RX_BYTE_VALID_MASK   0x70000000
+#define IFX_SSC_DECODE_RX_BYTE_VALID(con_state) ((con_state & IFX_SSC_STATE_RX_BYTE_VALID_MASK) >> IFX_SSC_STATE_RX_BYTE_VALID_OFFSET)
+#define IFX_SSC_STATE_TX_BYTE_VALID_OFFSET 24
+#define IFX_SSC_STATE_TX_BYTE_VALID_MASK   0x07000000
+#define IFX_SSC_DECODE_TX_BYTE_VALID(con_state) ((con_state & IFX_SSC_STATE_TX_BYTE_VALID_MASK) >> IFX_SSC_STATE_TX_BYTE_VALID_OFFSET)
+#define IFX_SSC_STATE_BIT_COUNT_OFFSET     16
+#define IFX_SSC_STATE_BIT_COUNT_MASK       0x001F0000
+#define IFX_SSC_DECODE_DATA_WIDTH(con_state) (((con_state & IFX_SSC_STATE_BIT_COUNT_MASK) >> IFX_SSC_STATE_BIT_COUNT_OFFSET) + 1)
+#define IFX_SSC_STATE_BUSY                 0x00002000
+#define IFX_SSC_STATE_RX_UFL               0x00001000
+#define IFX_SSC_STATE_TX_UFL               0x00000800
+#define IFX_SSC_STATE_ABORT_ERR            0x00000400
+#define IFX_SSC_STATE_RX_OFL               0x00000200
+#define IFX_SSC_STATE_TX_OFL               0x00000100
+#define IFX_SSC_STATE_MODE_ERR             0x00000080
+#define IFX_SSC_STATE_SLAVE_IS_SELECTED    0x00000004
+#define IFX_SSC_STATE_IS_MASTER            0x00000002
+#define IFX_SSC_STATE_IS_ENABLED           0x00000001
+
+/* WHBSTATE register */
+#define IFX_SSC_WHBSTATE_DISABLE_SSC        0x0001
+#define IFX_SSC_WHBSTATE_CONFIGURATION_MODE 0x0001
+#define IFX_SSC_WHBSTATE_CLR_ENABLE         0x0001
+
+#define IFX_SSC_WHBSTATE_ENABLE_SSC         0x0002
+#define IFX_SSC_WHBSTATE_RUN_MODE           0x0002
+#define IFX_SSC_WHBSTATE_SET_ENABLE         0x0002
+
+#define IFX_SSC_WHBSTATE_SLAVE_MODE         0x0004
+#define IFX_SSC_WHBSTATE_CLR_MASTER_SELECT  0x0004
+
+#define IFX_SSC_WHBSTATE_MASTER_MODE        0x0008
+#define IFX_SSC_WHBSTATE_SET_MASTER_SELECT  0x0008
+
+#define IFX_SSC_WHBSTATE_CLR_RX_UFL_ERROR   0x0010
+#define IFX_SSC_WHBSTATE_SET_RX_UFL_ERROR   0x0020
+
+#define IFX_SSC_WHBSTATE_CLR_MODE_ERROR     0x0040
+#define IFX_SSC_WHBSTATE_SET_MODE_ERROR     0x0080
+
+#define IFX_SSC_WHBSTATE_CLR_TX_OFL_ERROR   0x0100
+#define IFX_SSC_WHBSTATE_CLR_RX_OFL_ERROR   0x0200
+#define IFX_SSC_WHBSTATE_CLR_ABORT_ERROR    0x0400
+#define IFX_SSC_WHBSTATE_CLR_TX_UFL_ERROR   0x0800
+#define IFX_SSC_WHBSTATE_SET_TX_OFL_ERROR   0x1000
+#define IFX_SSC_WHBSTATE_SET_RX_OFL_ERROR   0x2000
+#define IFX_SSC_WHBSTATE_SET_ABORT_ERROR    0x4000
+#define IFX_SSC_WHBSTATE_SET_TX_UFL_ERROR   0x8000
+#define IFX_SSC_WHBSTATE_CLR_ALL_ERROR      0x0F50
+#define IFX_SSC_WHBSTATE_SET_ALL_ERROR      0xF0A0
+
+/* BR register */
+#define IFX_SSC_BR_BAUDRATE_OFFSET      0
+#define IFX_SSC_BR_BAUDRATE_MASK        0xFFFF
+
+/* BR_STAT register */
+#define IFX_SSC_BRSTAT_BAUDTIMER_OFFSET      0
+#define IFX_SSC_BRSTAT_BAUDTIMER_MASK        0xFFFF
+
+/* TB register */
+#define IFX_SSC_TB_DATA_OFFSET      0
+#define IFX_SSC_TB_DATA_MASK        0xFFFFFFFF
+
+/* RB register */
+#define IFX_SSC_RB_DATA_OFFSET      0
+#define IFX_SSC_RB_DATA_MASK        0xFFFFFFFF
+
+/* RXFCON and TXFCON registers */
+#define IFX_SSC_XFCON_FIFO_DISABLE      0x0000
+#define IFX_SSC_XFCON_FIFO_ENABLE       0x0001
+#define IFX_SSC_XFCON_FIFO_FLUSH        0x0002
+#define IFX_SSC_XFCON_ITL_MASK          0x00003F00
+#define IFX_SSC_XFCON_ITL_OFFSET        8
+
+/* FSTAT register */
+#define IFX_SSC_FSTAT_RECEIVED_WORDS_OFFSET  0
+#define IFX_SSC_FSTAT_RECEIVED_WORDS_MASK    0x003F
+#define IFX_SSC_FSTAT_TRANSMIT_WORDS_OFFSET  8
+#define IFX_SSC_FSTAT_TRANSMIT_WORDS_MASK    0x3F00
+
+/* GPOCON register */
+#define IFX_SSC_GPOCON_INVOUT0_POS      0
+#define IFX_SSC_GPOCON_INV_OUT0         0x00000001
+#define IFX_SSC_GPOCON_TRUE_OUT0        0x00000000
+#define IFX_SSC_GPOCON_INVOUT1_POS      1
+#define IFX_SSC_GPOCON_INV_OUT1         0x00000002
+#define IFX_SSC_GPOCON_TRUE_OUT1        0x00000000
+#define IFX_SSC_GPOCON_INVOUT2_POS      2
+#define IFX_SSC_GPOCON_INV_OUT2         0x00000003
+#define IFX_SSC_GPOCON_TRUE_OUT2        0x00000000
+#define IFX_SSC_GPOCON_INVOUT3_POS      3
+#define IFX_SSC_GPOCON_INV_OUT3         0x00000008
+#define IFX_SSC_GPOCON_TRUE_OUT3        0x00000000
+#define IFX_SSC_GPOCON_INVOUT4_POS      4
+#define IFX_SSC_GPOCON_INV_OUT4         0x00000010
+#define IFX_SSC_GPOCON_TRUE_OUT4        0x00000000
+#define IFX_SSC_GPOCON_INVOUT5_POS      5
+#define IFX_SSC_GPOCON_INV_OUT5         0x00000020
+#define IFX_SSC_GPOCON_TRUE_OUT5        0x00000000
+#define IFX_SSC_GPOCON_INVOUT6_POS      6
+#define IFX_SSC_GPOCON_INV_OUT6         0x00000040
+#define IFX_SSC_GPOCON_TRUE_OUT6        0x00000000
+#define IFX_SSC_GPOCON_INVOUT7_POS      7
+#define IFX_SSC_GPOCON_INV_OUT7         0x00000080
+#define IFX_SSC_GPOCON_TRUE_OUT7        0x00000000
+#define IFX_SSC_GPOCON_INV_OUT_ALL      0x000000FF
+#define IFX_SSC_GPOCON_TRUE_OUT_ALL     0x00000000
+
+#define IFX_SSC_GPOCON_ISCSB0_POS       8
+#define IFX_SSC_GPOCON_IS_CSB0          0x00000100
+#define IFX_SSC_GPOCON_IS_GPO0          0x00000000
+#define IFX_SSC_GPOCON_ISCSB1_POS       9
+#define IFX_SSC_GPOCON_IS_CSB1          0x00000200
+#define IFX_SSC_GPOCON_IS_GPO1          0x00000000
+#define IFX_SSC_GPOCON_ISCSB2_POS       10
+#define IFX_SSC_GPOCON_IS_CSB2          0x00000400
+#define IFX_SSC_GPOCON_IS_GPO2          0x00000000
+#define IFX_SSC_GPOCON_ISCSB3_POS       11
+#define IFX_SSC_GPOCON_IS_CSB3          0x00000800
+#define IFX_SSC_GPOCON_IS_GPO3          0x00000000
+#define IFX_SSC_GPOCON_ISCSB4_POS       12
+#define IFX_SSC_GPOCON_IS_CSB4          0x00001000
+#define IFX_SSC_GPOCON_IS_GPO4          0x00000000
+#define IFX_SSC_GPOCON_ISCSB5_POS       13
+#define IFX_SSC_GPOCON_IS_CSB5          0x00002000
+#define IFX_SSC_GPOCON_IS_GPO5          0x00000000
+#define IFX_SSC_GPOCON_ISCSB6_POS       14
+#define IFX_SSC_GPOCON_IS_CSB6          0x00004000
+#define IFX_SSC_GPOCON_IS_GPO6          0x00000000
+#define IFX_SSC_GPOCON_ISCSB7_POS       15
+#define IFX_SSC_GPOCON_IS_CSB7          0x00008000
+#define IFX_SSC_GPOCON_IS_GPO7          0x00000000
+#define IFX_SSC_GPOCON_IS_CSB_ALL       0x0000FF00
+#define IFX_SSC_GPOCON_IS_GPO_ALL       0x00000000
+
+/* GPOSTAT register */
+#define IFX_SSC_GPOSTAT_OUT0            0x00000001
+#define IFX_SSC_GPOSTAT_OUT1            0x00000002
+#define IFX_SSC_GPOSTAT_OUT2            0x00000004
+#define IFX_SSC_GPOSTAT_OUT3            0x00000008
+#define IFX_SSC_GPOSTAT_OUT4            0x00000010
+#define IFX_SSC_GPOSTAT_OUT5            0x00000020
+#define IFX_SSC_GPOSTAT_OUT6            0x00000040
+#define IFX_SSC_GPOSTAT_OUT7            0x00000080
+#define IFX_SSC_GPOSTAT_OUT_ALL         0x000000FF
+
+/* WHBGPOSTAT register */
+#define IFX_SSC_WHBGPOSTAT_CLROUT0_POS  0
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT0     0x00000001
+#define IFX_SSC_WHBGPOSTAT_CLROUT1_POS  1
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT1     0x00000002
+#define IFX_SSC_WHBGPOSTAT_CLROUT2_POS  2
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT2     0x00000004
+#define IFX_SSC_WHBGPOSTAT_CLROUT3_POS  3
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT3     0x00000008
+#define IFX_SSC_WHBGPOSTAT_CLROUT4_POS  4
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT4     0x00000010
+#define IFX_SSC_WHBGPOSTAT_CLROUT5_POS  5
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT5     0x00000020
+#define IFX_SSC_WHBGPOSTAT_CLROUT6_POS  6
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT6     0x00000040
+#define IFX_SSC_WHBGPOSTAT_CLROUT7_POS  7
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT7     0x00000080
+#define IFX_SSC_WHBGPOSTAT_CLR_OUT_ALL  0x000000FF
+
+#define IFX_SSC_WHBGPOSTAT_OUT0_POS  0
+#define IFX_SSC_WHBGPOSTAT_OUT1_POS  1
+#define IFX_SSC_WHBGPOSTAT_OUT2_POS  2
+#define IFX_SSC_WHBGPOSTAT_OUT3_POS  3
+#define IFX_SSC_WHBGPOSTAT_OUT4_POS  4
+#define IFX_SSC_WHBGPOSTAT_OUT5_POS  5
+#define IFX_SSC_WHBGPOSTAT_OUT6_POS  6
+#define IFX_SSC_WHBGPOSTAT_OUT7_POS  7
+
+#define IFX_SSC_WHBGPOSTAT_SETOUT0_POS  8
+#define IFX_SSC_WHBGPOSTAT_SET_OUT0     0x00000100
+#define IFX_SSC_WHBGPOSTAT_SETOUT1_POS  9
+#define IFX_SSC_WHBGPOSTAT_SET_OUT1     0x00000200
+#define IFX_SSC_WHBGPOSTAT_SETOUT2_POS  10
+#define IFX_SSC_WHBGPOSTAT_SET_OUT2     0x00000400
+#define IFX_SSC_WHBGPOSTAT_SETOUT3_POS  11
+#define IFX_SSC_WHBGPOSTAT_SET_OUT3     0x00000800
+#define IFX_SSC_WHBGPOSTAT_SETOUT4_POS  12
+#define IFX_SSC_WHBGPOSTAT_SET_OUT4     0x00001000
+#define IFX_SSC_WHBGPOSTAT_SETOUT5_POS  13
+#define IFX_SSC_WHBGPOSTAT_SET_OUT5     0x00002000
+#define IFX_SSC_WHBGPOSTAT_SETOUT6_POS  14
+#define IFX_SSC_WHBGPOSTAT_SET_OUT6     0x00004000
+#define IFX_SSC_WHBGPOSTAT_SETOUT7_POS  15
+#define IFX_SSC_WHBGPOSTAT_SET_OUT7     0x00008000
+#define IFX_SSC_WHBGPOSTAT_SET_OUT_ALL  0x0000FF00
+
+/* SFCON register */
+#define IFX_SSC_SFCON_SF_ENABLE                0x00000001
+#define IFX_SSC_SFCON_SF_DISABLE               0x00000000
+#define IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE  0x00000004
+#define IFX_SSC_SFCON_FIR_DISABLE_BEFORE_PAUSE 0x00000000
+#define IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE   0x00000008
+#define IFX_SSC_SFCON_FIR_DISABLE_AFTER_PAUSE  0x00000000
+#define IFX_SSC_SFCON_DATA_LENGTH_MASK         0x0000FFF0
+#define IFX_SSC_SFCON_DATA_LENGTH_OFFSET       4
+#define IFX_SSC_SFCON_PAUSE_DATA_MASK          0x00030000
+#define IFX_SSC_SFCON_PAUSE_DATA_OFFSET        16
+#define IFX_SSC_SFCON_PAUSE_DATA_0             0x00000000
+#define IFX_SSC_SFCON_PAUSE_DATA_1             0x00010000
+#define IFX_SSC_SFCON_PAUSE_DATA_IDLE          0x00020000
+#define IFX_SSC_SFCON_PAUSE_CLOCK_MASK         0x000C0000
+#define IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET       18
+#define IFX_SSC_SFCON_PAUSE_CLOCK_0            0x00000000
+#define IFX_SSC_SFCON_PAUSE_CLOCK_1            0x00040000
+#define IFX_SSC_SFCON_PAUSE_CLOCK_IDLE         0x00080000
+#define IFX_SSC_SFCON_PAUSE_CLOCK_RUN          0x000C0000
+#define IFX_SSC_SFCON_STOP_AFTER_PAUSE         0x00100000
+#define IFX_SSC_SFCON_CONTINUE_AFTER_PAUSE     0x00000000
+#define IFX_SSC_SFCON_PAUSE_LENGTH_MASK        0xFFC00000
+#define IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET      22
+#define IFX_SSC_SFCON_DATA_LENGTH_MAX	       4096
+#define IFX_SSC_SFCON_PAUSE_LENGTH_MAX	       1024
+
+#define IFX_SSC_SFCON_EXTRACT_DATA_LENGTH(sfcon)  ((sfcon & IFX_SSC_SFCON_DATA_LENGTH_MASK) >> IFX_SSC_SFCON_DATA_LENGTH_OFFSET)
+#define IFX_SSC_SFCON_EXTRACT_PAUSE_LENGTH(sfcon) ((sfcon & IFX_SSC_SFCON_PAUSE_LENGTH_MASK) >> IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET)
+#define IFX_SSC_SFCON_SET_DATA_LENGTH(value)      ((value << IFX_SSC_SFCON_DATA_LENGTH_OFFSET) & IFX_SSC_SFCON_DATA_LENGTH_MASK)
+#define IFX_SSC_SFCON_SET_PAUSE_LENGTH(value)      ((value << IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET) & IFX_SSC_SFCON_PAUSE_LENGTH_MASK)
+
+/* SFSTAT register */
+#define IFX_SSC_SFSTAT_IN_DATA            0x00000001
+#define IFX_SSC_SFSTAT_IN_PAUSE           0x00000002
+#define IFX_SSC_SFSTAT_DATA_COUNT_MASK    0x0000FFF0
+#define IFX_SSC_SFSTAT_DATA_COUNT_OFFSET  4
+#define IFX_SSC_SFSTAT_PAUSE_COUNT_MASK   0xFFF00000
+#define IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET 20
+
+#define IFX_SSC_SFSTAT_EXTRACT_DATA_COUNT(sfstat) ((sfstat & IFX_SSC_SFSTAT_DATA_COUNT_MASK) >> IFX_SSC_SFSTAT_DATA_COUNT_OFFSET)
+#define IFX_SSC_SFSTAT_EXTRACT_PAUSE_COUNT(sfstat) ((sfstat & IFX_SSC_SFSTAT_PAUSE_COUNT_MASK) >> IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET)
+
+/* RXREQ register */
+#define IFX_SSC_RXREQ_RXCOUNT_MASK       0x0000FFFF
+#define IFX_SSC_RXREQ_RXCOUNT_OFFSET     0
+
+/* RXCNT register */
+#define IFX_SSC_RXCNT_TODO_MASK       0x0000FFFF
+#define IFX_SSC_RXCNT_TODO_OFFSET     0
+
+/* DMACON register */
+#define IFX_SSC_DMACON_RXON           0x00000001
+#define IFX_SSC_DMACON_RXOFF          0x00000000
+#define IFX_SSC_DMACON_TXON           0x00000002
+#define IFX_SSC_DMACON_TXOFF          0x00000000
+#define IFX_SSC_DMACON_DMAON          0x00000003
+#define IFX_SSC_DMACON_DMAOFF         0x00000000
+#define IFX_SSC_DMACON_CLASS_MASK     0x0000000C
+#define IFX_SSC_DMACON_CLASS_OFFSET   2
+
+/* register access macros */
+#define ifx_ssc_fstat_received_words(status)    (status & 0x003F)
+#define ifx_ssc_fstat_words_to_transmit(status) ((status & 0x3F00) >> 8)
+
+#define ifx_ssc_change_status(data, addr)  WRITE_PERIPHERAL_REGISTER(data, (PHYS_OFFSET + addr + IFX_SSC_WHBSTATE))
+#define ifx_ssc_set_config(data, addr)     WRITE_PERIPHERAL_REGISTER(data, (PHYS_OFFSET + addr + IFX_SSC_CON))
+#define ifx_ssc_get_config(addr)           READ_PERIPHERAL_REGISTER((PHYS_OFFSET + addr + IFX_SSC_CON))
+#define ifx_ssc_get_status(addr)           READ_PERIPHERAL_REGISTER((PHYS_OFFSET + addr + IFX_SSC_STATE))
+#define ifx_ssc_receive(addr)              READ_PERIPHERAL_REGISTER((PHYS_OFFSET + addr + IFX_SSC_RB))
+#define ifx_ssc_transmit(data, addr)       WRITE_PERIPHERAL_REGISTER(data, (PHYS_OFFSET + addr + IFX_SSC_TB))
+#define ifx_ssc_fifo_status(addr)          READ_PERIPHERAL_REGISTER((PHYS_OFFSET + addr + IFX_SSC_FSTAT))
+#define ifx_ssc_set_baudrate(data, addr)   WRITE_PERIPHERAL_REGISTER(data, (PHYS_OFFSET + addr + IFX_SSC_BR))
+
+#define ifx_ssc_extract_rx_fifo_size(id)   ((id & IFX_SSC_PERID_RXFS_MASK) >> IFX_SSC_PERID_RXFS_OFFSET)
+#define ifx_ssc_extract_tx_fifo_size(id)   ((id & IFX_SSC_PERID_TXFS_MASK) >> IFX_SSC_PERID_TXFS_OFFSET)
+
+#endif
diff --git a/target/linux/ifxmips/files/include/asm-mips/mach-danube/irq.h b/target/linux/ifxmips/files/include/asm-mips/mach-danube/irq.h
new file mode 100644
index 0000000000..7f1e7d3325
--- /dev/null
+++ b/target/linux/ifxmips/files/include/asm-mips/mach-danube/irq.h
@@ -0,0 +1,8 @@
+#ifndef __DANUBE_IRQ_H
+#define __DANUBE_IRQ_H
+
+#define NR_IRQS    256 
+#include_next <irq.h>
+
+#endif
+