move ifxmips uboot to package/

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11601 3c298f89-4303-0410-b956-a3cf2f4a3e73

22 files changed, 6317 insertions, 0 deletions

diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/Makefile b/package/uboot-ifxmips/files/cpu/mips/danube/Makefile
new file mode 100644
index 000000000..da329b378
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2003-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).a
+
+START	= start.o
+COBJS	= asc_serial.o au1x00_serial.o au1x00_eth.o au1x00_usb_ohci.o \
+	  cpu.o interrupts.o incaip_clock.o ifx_asc.o ifx_clock.o
+SOBJS	= incaip_wdt.o cache.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.c b/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.c
new file mode 100644
index 000000000..d95ec3fd2
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.c
@@ -0,0 +1,371 @@
+/*
+ * (INCA) ASC UART support
+ */
+
+#include <config.h>
+
+#if defined(CONFIG_PURPLE) || defined(CONFIG_INCA_IP)
+
+#ifdef CONFIG_PURPLE
+#define	serial_init	asc_serial_init
+#define	serial_putc	asc_serial_putc
+#define	serial_puts	asc_serial_puts
+#define	serial_getc	asc_serial_getc
+#define	serial_tstc	asc_serial_tstc
+#define	serial_setbrg	asc_serial_setbrg
+#endif
+
+#include <common.h>
+#include <asm/inca-ip.h>
+#include "asc_serial.h"
+
+#ifdef CONFIG_PURPLE
+
+#undef ASC_FIFO_PRESENT
+#define TOUT_LOOP	100000
+
+/* Set base address for second FPI interrupt control register bank */
+#define SFPI_INTCON_BASEADDR	0xBF0F0000
+
+/* Register offset from base address */
+#define FBS_ISR		0x00000000	/* Interrupt status register */
+#define FBS_IMR		0x00000008	/* Interrupt mask register */
+#define FBS_IDIS	0x00000010	/* Interrupt disable register */
+
+/* Interrupt status register bits */
+#define FBS_ISR_AT	0x00000040	/* ASC transmit interrupt */
+#define FBS_ISR_AR 	0x00000020	/* ASC receive interrupt */
+#define FBS_ISR_AE	0x00000010	/* ASC error interrupt */
+#define FBS_ISR_AB	0x00000008	/* ASC transmit buffer interrupt */
+#define FBS_ISR_AS      0x00000004 	/* ASC start of autobaud detection interrupt */
+#define FBS_ISR_AF	0x00000002	/* ASC end of autobaud detection interrupt */
+
+#else
+
+#define ASC_FIFO_PRESENT
+
+#endif
+
+
+#define SET_BIT(reg, mask)                  reg |= (mask)
+#define CLEAR_BIT(reg, mask)                reg &= (~mask)
+#define CLEAR_BITS(reg, mask)               CLEAR_BIT(reg, mask)
+#define SET_BITS(reg, mask)                 SET_BIT(reg, mask)
+#define SET_BITFIELD(reg, mask, off, val)   {reg &= (~mask); reg |= (val << off);}
+
+extern uint incaip_get_fpiclk(void);
+
+static int serial_setopt (void);
+
+/* pointer to ASC register base address */
+static volatile incaAsc_t *pAsc = (incaAsc_t *)INCA_IP_ASC;
+
+/******************************************************************************
+*
+* serial_init - initialize a INCAASC channel
+*
+* This routine initializes the number of data bits, parity
+* and set the selected baud rate. Interrupts are disabled.
+* Set the modem control signals if the option is selected.
+*
+* RETURNS: N/A
+*/
+
+int serial_init (void)
+{
+#ifdef CONFIG_INCA_IP
+    /* we have to set PMU.EN13 bit to enable an ASC device*/
+    INCAASC_PMU_ENABLE(13);
+#endif
+
+    /* and we have to set CLC register*/
+    CLEAR_BIT(pAsc->asc_clc, ASCCLC_DISS);
+    SET_BITFIELD(pAsc->asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001);
+
+    /* initialy we are in async mode */
+    pAsc->asc_con = ASCCON_M_8ASYNC;
+
+    /* select input port */
+    pAsc->asc_pisel = (CONSOLE_TTY & 0x1);
+
+#ifdef ASC_FIFO_PRESENT
+    /* TXFIFO's filling level */
+    SET_BITFIELD(pAsc->asc_txfcon, ASCTXFCON_TXFITLMASK,
+		    ASCTXFCON_TXFITLOFF, INCAASC_TXFIFO_FL);
+    /* enable TXFIFO */
+    SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXFEN);
+
+    /* RXFIFO's filling level */
+    SET_BITFIELD(pAsc->asc_txfcon, ASCRXFCON_RXFITLMASK,
+		    ASCRXFCON_RXFITLOFF, INCAASC_RXFIFO_FL);
+    /* enable RXFIFO */
+    SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXFEN);
+#endif
+
+    /* enable error signals */
+    SET_BIT(pAsc->asc_con, ASCCON_FEN);
+    SET_BIT(pAsc->asc_con, ASCCON_OEN);
+
+#ifdef CONFIG_INCA_IP
+    /* acknowledge ASC interrupts */
+    ASC_INTERRUPTS_CLEAR(INCAASC_IRQ_LINE_ALL);
+
+    /* disable ASC interrupts */
+    ASC_INTERRUPTS_DISABLE(INCAASC_IRQ_LINE_ALL);
+#endif
+
+#ifdef ASC_FIFO_PRESENT
+    /* set FIFOs into the transparent mode */
+    SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXTMEN);
+    SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXTMEN);
+#endif
+
+    /* set baud rate */
+    serial_setbrg();
+
+    /* set the options */
+    serial_setopt();
+
+    return 0;
+}
+
+void serial_setbrg (void)
+{
+    ulong      uiReloadValue, fdv;
+    ulong      f_ASC;
+
+#ifdef CONFIG_INCA_IP
+    f_ASC = incaip_get_fpiclk();
+#else
+    f_ASC = ASC_CLOCK_RATE;
+#endif
+
+#ifndef INCAASC_USE_FDV
+    fdv = 2;
+    uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
+#else
+    fdv = INCAASC_FDV_HIGH_BAUDRATE;
+    uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
+#endif /* INCAASC_USE_FDV */
+
+    if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
+    {
+#ifndef INCAASC_USE_FDV
+	fdv = 3;
+	uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
+#else
+	fdv = INCAASC_FDV_LOW_BAUDRATE;
+	uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
+#endif /* INCAASC_USE_FDV */
+
+	if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
+	{
+	    return;    /* can't impossibly generate that baud rate */
+	}
+    }
+
+    /* Disable Baud Rate Generator; BG should only be written when R=0 */
+    CLEAR_BIT(pAsc->asc_con, ASCCON_R);
+
+#ifndef INCAASC_USE_FDV
+    /*
+     * Disable Fractional Divider (FDE)
+     * Divide clock by reload-value + constant (BRS)
+     */
+    /* FDE = 0 */
+    CLEAR_BIT(pAsc->asc_con, ASCCON_FDE);
+
+    if ( fdv == 2 )
+	CLEAR_BIT(pAsc->asc_con, ASCCON_BRS);   /* BRS = 0 */
+    else
+	SET_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 1 */
+
+#else /* INCAASC_USE_FDV */
+
+    /* Enable Fractional Divider */
+    SET_BIT(pAsc->asc_con, ASCCON_FDE); /* FDE = 1 */
+
+    /* Set fractional divider value */
+    pAsc->asc_fdv = fdv & ASCFDV_VALUE_MASK;
+
+#endif /* INCAASC_USE_FDV */
+
+    /* Set reload value in BG */
+    pAsc->asc_bg = uiReloadValue;
+
+    /* Enable Baud Rate Generator */
+    SET_BIT(pAsc->asc_con, ASCCON_R);           /* R = 1 */
+}
+
+/*******************************************************************************
+*
+* serial_setopt - set the serial options
+*
+* Set the channel operating mode to that specified. Following options
+* are supported: CREAD, CSIZE, PARENB, and PARODD.
+*
+* Note, this routine disables the transmitter.  The calling routine
+* may have to re-enable it.
+*
+* RETURNS:
+* Returns 0 to indicate success, otherwise -1 is returned
+*/
+
+static int serial_setopt (void)
+{
+    ulong  con;
+
+    switch ( ASC_OPTIONS & ASCOPT_CSIZE )
+    {
+    /* 7-bit-data */
+    case ASCOPT_CS7:
+	con = ASCCON_M_7ASYNCPAR;   /* 7-bit-data and parity bit */
+	break;
+
+    /* 8-bit-data */
+    case ASCOPT_CS8:
+	if ( ASC_OPTIONS & ASCOPT_PARENB )
+	    con = ASCCON_M_8ASYNCPAR;   /* 8-bit-data and parity bit */
+	else
+	    con = ASCCON_M_8ASYNC;      /* 8-bit-data no parity */
+	break;
+
+    /*
+     *  only 7 and 8-bit frames are supported
+     *  if we don't use IOCTL extensions
+     */
+    default:
+	return -1;
+    }
+
+    if ( ASC_OPTIONS & ASCOPT_STOPB )
+	SET_BIT(con, ASCCON_STP);       /* 2 stop bits */
+    else
+	CLEAR_BIT(con, ASCCON_STP);     /* 1 stop bit */
+
+    if ( ASC_OPTIONS & ASCOPT_PARENB )
+	SET_BIT(con, ASCCON_PEN);           /* enable parity checking */
+    else
+	CLEAR_BIT(con, ASCCON_PEN);         /* disable parity checking */
+
+    if ( ASC_OPTIONS & ASCOPT_PARODD )
+	SET_BIT(con, ASCCON_ODD);       /* odd parity */
+    else
+	CLEAR_BIT(con, ASCCON_ODD);     /* even parity */
+
+    if ( ASC_OPTIONS & ASCOPT_CREAD )
+	SET_BIT(pAsc->asc_whbcon, ASCWHBCON_SETREN); /* Receiver enable */
+
+    pAsc->asc_con |= con;
+
+    return 0;
+}
+
+void serial_putc (const char c)
+{
+#ifdef ASC_FIFO_PRESENT
+    uint txFl = 0;
+#else
+    uint timeout = 0;
+#endif
+
+    if (c == '\n') serial_putc ('\r');
+
+#ifdef ASC_FIFO_PRESENT
+    /* check do we have a free space in the TX FIFO */
+    /* get current filling level */
+    do
+    {
+	txFl = ( pAsc->asc_fstat & ASCFSTAT_TXFFLMASK ) >> ASCFSTAT_TXFFLOFF;
+    }
+    while ( txFl == INCAASC_TXFIFO_FULL );
+#else
+
+    while(!(*(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) &
+			   FBS_ISR_AB))
+    {
+	    if (timeout++ > TOUT_LOOP)
+	    {
+		    break;
+	    }
+    }
+#endif
+
+    pAsc->asc_tbuf = c; /* write char to Transmit Buffer Register */
+
+#ifndef ASC_FIFO_PRESENT
+    *(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) = FBS_ISR_AB |
+								 FBS_ISR_AT;
+#endif
+
+    /* check for errors */
+    if ( pAsc->asc_con & ASCCON_OE )
+    {
+	SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
+	return;
+    }
+}
+
+void serial_puts (const char *s)
+{
+    while (*s)
+    {
+	serial_putc (*s++);
+    }
+}
+
+int serial_getc (void)
+{
+    ulong symbol_mask;
+    char c;
+
+    while (!serial_tstc());
+
+    symbol_mask =
+	((ASC_OPTIONS & ASCOPT_CSIZE) == ASCOPT_CS7) ? (0x7f) : (0xff);
+
+    c = (char)(pAsc->asc_rbuf & symbol_mask);
+
+#ifndef ASC_FIFO_PRESENT
+    *(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) = FBS_ISR_AR;
+#endif
+
+    return c;
+}
+
+int serial_tstc (void)
+{
+    int res = 1;
+
+#ifdef ASC_FIFO_PRESENT
+    if ( (pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 )
+    {
+	res = 0;
+    }
+#else
+    if (!(*(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) &
+								FBS_ISR_AR))
+
+    {
+	res = 0;
+    }
+#endif
+    else if ( pAsc->asc_con & ASCCON_FE )
+    {
+	SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRFE);
+	res = 0;
+    }
+    else if ( pAsc->asc_con & ASCCON_PE )
+    {
+	SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRPE);
+	res = 0;
+    }
+    else if ( pAsc->asc_con & ASCCON_OE )
+    {
+	SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
+	res = 0;
+    }
+
+    return res;
+}
+#endif /* CONFIG_PURPLE || CONFIG_INCA_IP */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.h b/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.h
new file mode 100644
index 000000000..7ffdcfaf8
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/asc_serial.h
@@ -0,0 +1,177 @@
+/* incaAscSio.h - (INCA) ASC UART tty driver header */
+
+#ifndef __INCincaAscSioh
+#define __INCincaAscSioh
+
+#include <asm/inca-ip.h>
+
+/* 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
+
+/* use fractional divider for baudrate settings */
+#define INCAASC_USE_FDV
+
+#ifdef INCAASC_USE_FDV
+   #define INCAASC_FDV_LOW_BAUDRATE        71
+   #define INCAASC_FDV_HIGH_BAUDRATE       453
+#endif /*INCAASC_USE_FDV*/
+
+
+#define INCAASC_TXFIFO_FL       1
+#define INCAASC_RXFIFO_FL       1
+#define INCAASC_TXFIFO_FULL     16
+
+/* interrupt lines masks for the ASC device interrupts*/
+/* change these macroses if it's necessary */
+#define INCAASC_IRQ_LINE_ALL        0x000F0000  /* all IRQs */
+
+#define INCAASC_IRQ_LINE_TIR            0x00010000      /* TIR - Tx */
+#define INCAASC_IRQ_LINE_RIR            0x00020000      /* RIR - Rx */
+#define INCAASC_IRQ_LINE_EIR            0x00040000      /* EIR - Err */
+#define INCAASC_IRQ_LINE_TBIR           0x00080000      /* TBIR - Tx Buf*/
+
+/* interrupt controller access macros */
+#define ASC_INTERRUPTS_ENABLE(X)  \
+   *((volatile unsigned int*) INCA_IP_ICU_IM2_IER) |= X;
+#define ASC_INTERRUPTS_DISABLE(X) \
+   *((volatile unsigned int*) INCA_IP_ICU_IM2_IER) &= ~X;
+#define ASC_INTERRUPTS_CLEAR(X)   \
+   *((volatile unsigned int*) INCA_IP_ICU_IM2_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 0x0007
+    #define ASCCON_M_8SYNC          0x0
+    #define ASCCON_M_8ASYNC         0x1
+    #define ASCCON_M_8IRDAASYNC     0x2
+    #define ASCCON_M_7ASYNCPAR      0x3
+    #define ASCCON_M_9ASYNC         0x4
+    #define ASCCON_M_8WAKEUPASYNC   0x5
+    #define ASCCON_M_8ASYNCPAR      0x7
+#define ASCCON_STP      0x0008
+#define ASCCON_REN      0x0010
+#define ASCCON_PEN      0x0020
+#define ASCCON_FEN      0x0040
+#define ASCCON_OEN      0x0080
+#define ASCCON_PE       0x0100
+#define ASCCON_FE       0x0200
+#define ASCCON_OE       0x0400
+#define ASCCON_FDE      0x0800
+#define ASCCON_ODD      0x1000
+#define ASCCON_BRS      0x2000
+#define ASCCON_LB       0x4000
+#define ASCCON_R        0x8000
+
+/* WHBCON register's bits and bitfields */
+#define ASCWHBCON_CLRREN    0x0010
+#define ASCWHBCON_SETREN    0x0020
+#define ASCWHBCON_CLRPE     0x0100
+#define ASCWHBCON_CLRFE     0x0200
+#define ASCWHBCON_CLROE     0x0400
+#define ASCWHBCON_SETPE     0x0800
+#define ASCWHBCON_SETFE     0x1000
+#define ASCWHBCON_SETOE     0x2000
+
+/* 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
+#define ASCABCON_EMMASK     0x0300
+    #define ASCABCON_EMOFF          8
+	#define ASCABCON_EM_DISAB       0x0
+	#define ASCABCON_EM_DURAB       0x1
+	#define ASCABCON_EM_ALWAYS      0x2
+#define ASCABCON_TXINV      0x0400
+#define ASCABCON_RXINV      0x0800
+
+/* FDV register mask, offset and bitfields*/
+#define ASCFDV_VALUE_MASK     0x000001FF
+
+/* WHBABCON register's bits and bitfields */
+#define ASCWHBABCON_SETABEN     0x0001
+#define ASCWHBABCON_CLRABEN     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_SETSCCDET  0x0040
+#define ASCWHBABSTAT_CLRSCCDET  0x0080
+#define ASCWHBABSTAT_CLRDETWAIT 0x0100
+#define ASCWHBABSTAT_SETDETWAIT 0x0200
+
+/* TXFCON register's bits and bitfields */
+#define ASCTXFCON_TXFEN         0x0001
+#define ASCTXFCON_TXFFLU        0x0002
+#define ASCTXFCON_TXTMEN        0x0004
+#define ASCTXFCON_TXFITLMASK    0x3F00
+#define ASCTXFCON_TXFITLOFF     8
+
+/* RXFCON register's bits and bitfields */
+#define ASCRXFCON_RXFEN         0x0001
+#define ASCRXFCON_RXFFLU        0x0002
+#define ASCRXFCON_RXTMEN        0x0004
+#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
+
+#define INCAASC_PMU_ENABLE(BIT) *((volatile ulong*)0xBF102000) |= (0x1 << BIT);
+
+typedef  struct         /* incaAsc_t */
+{
+    volatile unsigned long  asc_clc;                            /*0x0000*/
+    volatile unsigned long  asc_pisel;                          /*0x0004*/
+    volatile unsigned long  asc_rsvd1[2];   /* for mapping */   /*0x0008*/
+    volatile unsigned long  asc_con;                            /*0x0010*/
+    volatile unsigned long  asc_bg;                             /*0x0014*/
+    volatile unsigned long  asc_fdv;                            /*0x0018*/
+    volatile unsigned long  asc_pmw;        /* not used */      /*0x001C*/
+    volatile unsigned long  asc_tbuf;                           /*0x0020*/
+    volatile unsigned long  asc_rbuf;                           /*0x0024*/
+    volatile unsigned long  asc_rsvd2[2];   /* for mapping */   /*0x0028*/
+    volatile unsigned long  asc_abcon;                          /*0x0030*/
+    volatile unsigned long  asc_abstat;     /* not used */      /*0x0034*/
+    volatile unsigned long  asc_rsvd3[2];   /* for mapping */   /*0x0038*/
+    volatile unsigned long  asc_rxfcon;                         /*0x0040*/
+    volatile unsigned long  asc_txfcon;                         /*0x0044*/
+    volatile unsigned long  asc_fstat;                          /*0x0048*/
+    volatile unsigned long  asc_rsvd4;      /* for mapping */   /*0x004C*/
+    volatile unsigned long  asc_whbcon;                         /*0x0050*/
+    volatile unsigned long  asc_whbabcon;                       /*0x0054*/
+    volatile unsigned long  asc_whbabstat;  /* not used */      /*0x0058*/
+
+} incaAsc_t;
+
+#endif /* __INCincaAscSioh */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_eth.c b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_eth.c
new file mode 100644
index 000000000..078e8328b
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_eth.c
@@ -0,0 +1,311 @@
+/* Only eth0 supported for now
+ *
+ * (C) Copyright 2003
+ * Thomas.Lange@corelatus.se
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <config.h>
+
+#ifdef CONFIG_AU1X00
+
+#if defined(CFG_DISCOVER_PHY)
+#error "PHY not supported yet"
+/* We just assume that we are running 100FD for now */
+/* We all use switches, right? ;-) */
+#endif
+
+/* I assume ethernet behaves like au1000 */
+
+#ifdef CONFIG_AU1000
+/* Base address differ between cpu:s */
+#define ETH0_BASE AU1000_ETH0_BASE
+#define MAC0_ENABLE AU1000_MAC0_ENABLE
+#else
+#ifdef CONFIG_AU1100
+#define ETH0_BASE AU1100_ETH0_BASE
+#define MAC0_ENABLE AU1100_MAC0_ENABLE
+#else
+#ifdef CONFIG_AU1500
+#define ETH0_BASE AU1500_ETH0_BASE
+#define MAC0_ENABLE AU1500_MAC0_ENABLE
+#else
+#ifdef CONFIG_AU1550
+#define ETH0_BASE AU1550_ETH0_BASE
+#define MAC0_ENABLE AU1550_MAC0_ENABLE
+#else
+#error "No valid cpu set"
+#endif
+#endif
+#endif
+#endif
+
+#include <common.h>
+#include <malloc.h>
+#include <net.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/au1x00.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+#include <miiphy.h>
+#endif
+
+/* Ethernet Transmit and Receive Buffers */
+#define DBUF_LENGTH  1520
+#define PKT_MAXBUF_SIZE		1518
+
+static char txbuf[DBUF_LENGTH];
+
+static int next_tx;
+static int next_rx;
+
+/* 4 rx and 4 tx fifos */
+#define NO_OF_FIFOS 4
+
+typedef struct{
+	u32 status;
+	u32 addr;
+	u32 len; /* Only used for tx */
+	u32 not_used;
+} mac_fifo_t;
+
+mac_fifo_t mac_fifo[NO_OF_FIFOS];
+
+#define MAX_WAIT 1000
+
+static int au1x00_send(struct eth_device* dev, volatile void *packet, int length){
+	volatile mac_fifo_t *fifo_tx =
+		(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
+	int i;
+	int res;
+
+	/* tx fifo should always be idle */
+	fifo_tx[next_tx].len = length;
+	fifo_tx[next_tx].addr = (virt_to_phys(packet))|TX_DMA_ENABLE;
+	au_sync();
+
+	udelay(1);
+	i=0;
+	while(!(fifo_tx[next_tx].addr&TX_T_DONE)){
+		if(i>MAX_WAIT){
+			printf("TX timeout\n");
+			break;
+		}
+		udelay(1);
+		i++;
+	}
+
+	/* Clear done bit */
+	fifo_tx[next_tx].addr = 0;
+	fifo_tx[next_tx].len = 0;
+	au_sync();
+
+	res = fifo_tx[next_tx].status;
+
+	next_tx++;
+	if(next_tx>=NO_OF_FIFOS){
+		next_tx=0;
+	}
+	return(res);
+}
+
+static int au1x00_recv(struct eth_device* dev){
+	volatile mac_fifo_t *fifo_rx =
+		(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
+
+	int length;
+	u32 status;
+
+	for(;;){
+		if(!(fifo_rx[next_rx].addr&RX_T_DONE)){
+			/* Nothing has been received */
+			return(-1);
+		}
+
+		status = fifo_rx[next_rx].status;
+
+		length = status&0x3FFF;
+
+		if(status&RX_ERROR){
+			printf("Rx error 0x%x\n", status);
+		}
+		else{
+			/* Pass the packet up to the protocol layers. */
+			NetReceive(NetRxPackets[next_rx], length - 4);
+		}
+
+		fifo_rx[next_rx].addr = (virt_to_phys(NetRxPackets[next_rx]))|RX_DMA_ENABLE;
+
+		next_rx++;
+		if(next_rx>=NO_OF_FIFOS){
+			next_rx=0;
+		}
+	} /* for */
+
+	return(0); /* Does anyone use this? */
+}
+
+static int au1x00_init(struct eth_device* dev, bd_t * bd){
+
+	volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
+	volatile u32 *mac_ctrl = (volatile u32*)(ETH0_BASE+MAC_CONTROL);
+	volatile u32 *mac_addr_high = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_HIGH);
+	volatile u32 *mac_addr_low = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_LOW);
+	volatile u32 *mac_mcast_high = (volatile u32*)(ETH0_BASE+MAC_MCAST_HIGH);
+	volatile u32 *mac_mcast_low = (volatile u32*)(ETH0_BASE+MAC_MCAST_LOW);
+	volatile mac_fifo_t *fifo_tx =
+		(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
+	volatile mac_fifo_t *fifo_rx =
+		(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
+	int i;
+
+	next_tx = TX_GET_DMA_BUFFER(fifo_tx[0].addr);
+	next_rx = RX_GET_DMA_BUFFER(fifo_rx[0].addr);
+
+	/* We have to enable clocks before releasing reset */
+	*macen = MAC_EN_CLOCK_ENABLE;
+	udelay(10);
+
+	/* Enable MAC0 */
+	/* We have to release reset before accessing registers */
+	*macen = MAC_EN_CLOCK_ENABLE|MAC_EN_RESET0|
+		MAC_EN_RESET1|MAC_EN_RESET2;
+	udelay(10);
+
+	for(i=0;i<NO_OF_FIFOS;i++){
+		fifo_tx[i].len = 0;
+		fifo_tx[i].addr = virt_to_phys(&txbuf[0]);
+		fifo_rx[i].addr = (virt_to_phys(NetRxPackets[i]))|RX_DMA_ENABLE;
+	}
+
+	/* Put mac addr in little endian */
+#define ea eth_get_dev()->enetaddr
+	*mac_addr_high	=	(ea[5] <<  8) | (ea[4]	    ) ;
+	*mac_addr_low	=	(ea[3] << 24) | (ea[2] << 16) |
+		(ea[1] <<  8) | (ea[0]	    ) ;
+#undef ea
+	*mac_mcast_low = 0;
+	*mac_mcast_high = 0;
+
+	/* Make sure the MAC buffer is in the correct endian mode */
+#ifdef __LITTLE_ENDIAN
+	*mac_ctrl = MAC_FULL_DUPLEX;
+	udelay(1);
+	*mac_ctrl = MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
+#else
+	*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX;
+	udelay(1);
+	*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
+#endif
+
+	return(1);
+}
+
+static void au1x00_halt(struct eth_device* dev){
+}
+
+int au1x00_enet_initialize(bd_t *bis){
+	struct eth_device* dev;
+
+	if ((dev = (struct eth_device*)malloc(sizeof *dev)) == NULL) {
+		puts ("malloc failed\n");
+		return 0;
+	}
+
+	memset(dev, 0, sizeof *dev);
+
+	sprintf(dev->name, "Au1X00 ethernet");
+	dev->iobase = 0;
+	dev->priv   = 0;
+	dev->init   = au1x00_init;
+	dev->halt   = au1x00_halt;
+	dev->send   = au1x00_send;
+	dev->recv   = au1x00_recv;
+
+	eth_register(dev);
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+	miiphy_register(dev->name,
+		au1x00_miiphy_read, au1x00_miiphy_write);
+#endif
+
+	return 1;
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+int  au1x00_miiphy_read(char *devname, unsigned char addr,
+		unsigned char reg, unsigned short * value)
+{
+	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
+	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
+	u32 mii_control;
+	unsigned int timedout = 20;
+
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_read busy timeout!!\n");
+			return -1;
+		}
+	}
+
+	mii_control = MAC_SET_MII_SELECT_REG(reg) |
+		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
+
+	*mii_control_reg = mii_control;
+
+	timedout = 20;
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_read busy timeout!!\n");
+			return -1;
+		}
+	}
+	*value = *mii_data_reg;
+	return 0;
+}
+
+int  au1x00_miiphy_write(char *devname, unsigned char addr,
+		unsigned char reg, unsigned short value)
+{
+	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
+	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
+	u32 mii_control;
+	unsigned int timedout = 20;
+
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_write busy timeout!!\n");
+			return;
+		}
+	}
+
+	mii_control = MAC_SET_MII_SELECT_REG(reg) |
+		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
+
+	*mii_data_reg = value;
+	*mii_control_reg = mii_control;
+	return 0;
+}
+#endif	/* CONFIG_COMMANDS & CFG_CMD_MII */
+
+#endif /* CONFIG_AU1X00 */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c
new file mode 100644
index 000000000..42c668ee3
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c
@@ -0,0 +1,135 @@
+/*
+ * AU1X00 UART support
+ *
+ * Hardcoded to UART 0 for now
+ * Speed and options also hardcoded to 115200 8N1
+ *
+ *  Copyright (c) 2003	Thomas.Lange@corelatus.se
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+#ifdef CONFIG_AU1X00
+
+#include <common.h>
+#include <asm/au1x00.h>
+
+/******************************************************************************
+*
+* serial_init - initialize a channel
+*
+* This routine initializes the number of data bits, parity
+* and set the selected baud rate. Interrupts are disabled.
+* Set the modem control signals if the option is selected.
+*
+* RETURNS: N/A
+*/
+
+int serial_init (void)
+{
+	volatile u32 *uart_fifoctl = (volatile u32*)(UART0_ADDR+UART_FCR);
+	volatile u32 *uart_enable = (volatile u32*)(UART0_ADDR+UART_ENABLE);
+
+	/* Enable clocks first */
+	*uart_enable = UART_EN_CE;
+
+	/* Then release reset */
+	/* Must release reset before setting other regs */
+	*uart_enable = UART_EN_CE|UART_EN_E;
+
+	/* Activate fifos, reset tx and rx */
+	/* Set tx trigger level to 12 */
+	*uart_fifoctl = UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|
+		UART_FCR_CLEAR_XMIT|UART_FCR_T_TRIGGER_12;
+
+	serial_setbrg();
+
+	return 0;
+}
+
+
+void serial_setbrg (void)
+{
+	volatile u32 *uart_clk = (volatile u32*)(UART0_ADDR+UART_CLK);
+	volatile u32 *uart_lcr = (volatile u32*)(UART0_ADDR+UART_LCR);
+	volatile u32 *sys_powerctrl = (u32 *)SYS_POWERCTRL;
+	int sd;
+	int divisorx2;
+
+	/* sd is system clock divisor			*/
+	/* see section 10.4.5 in au1550 datasheet	*/
+	sd = (*sys_powerctrl & 0x03) + 2;
+
+	/* calulate 2x baudrate and round */
+	divisorx2 = ((CFG_HZ/(sd * 16 * CONFIG_BAUDRATE)));
+
+	if (divisorx2 & 0x01)
+		divisorx2 = divisorx2 + 1;
+
+	*uart_clk = divisorx2 / 2;
+
+	/* Set parity, stop bits and word length to 8N1 */
+	*uart_lcr = UART_LCR_WLEN8;
+}
+
+void serial_putc (const char c)
+{
+	volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
+	volatile u32 *uart_tx = (volatile u32*)(UART0_ADDR+UART_TX);
+
+	if (c == '\n') serial_putc ('\r');
+
+	/* Wait for fifo to shift out some bytes */
+	while((*uart_lsr&UART_LSR_THRE)==0);
+
+	*uart_tx = (u32)c;
+}
+
+void serial_puts (const char *s)
+{
+	while (*s)
+	{
+		serial_putc (*s++);
+	}
+}
+
+int serial_getc (void)
+{
+	volatile u32 *uart_rx = (volatile u32*)(UART0_ADDR+UART_RX);
+	char c;
+
+	while (!serial_tstc());
+
+	c = (*uart_rx&0xFF);
+	return c;
+}
+
+int serial_tstc (void)
+{
+	volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
+
+	if(*uart_lsr&UART_LSR_DR){
+		/* Data in rfifo */
+		return(1);
+	}
+	return 0;
+}
+#endif /* CONFIG_SERIAL_AU1X00 */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.c b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.c
new file mode 100644
index 000000000..dbf72dc6f
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.c
@@ -0,0 +1,1727 @@
+/*
+ * URB OHCI HCD (Host Controller Driver) for USB on the AU1x00.
+ *
+ * (C) Copyright 2003
+ * Gary Jennejohn, DENX Software Engineering <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * Note: Part of this code has been derived from linux
+ *
+ */
+/*
+ * IMPORTANT NOTES
+ * 1 - you MUST define LITTLEENDIAN in the configuration file for the
+ *     board or this driver will NOT work!
+ * 2 - this driver is intended for use with USB Mass Storage Devices
+ *     (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes!
+ */
+
+#include <config.h>
+
+#if defined(CONFIG_AU1X00) && defined(CONFIG_USB_OHCI)
+
+/* #include <pci.h> no PCI on the AU1x00 */
+
+#include <common.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <asm/au1x00.h>
+#include <usb.h>
+#include "au1x00_usb_ohci.h"
+
+#define OHCI_USE_NPS		/* force NoPowerSwitching mode */
+#define OHCI_VERBOSE_DEBUG	/* not always helpful */
+#define OHCI_FILL_TRACE
+
+#define USBH_ENABLE_BE (1<<0)
+#define USBH_ENABLE_C  (1<<1)
+#define USBH_ENABLE_E  (1<<2)
+#define USBH_ENABLE_CE (1<<3)
+#define USBH_ENABLE_RD (1<<4)
+
+#ifdef LITTLEENDIAN
+#define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C)
+#else
+#define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C | USBH_ENABLE_BE)
+#endif
+
+
+/* For initializing controller (mask in an HCFS mode too) */
+#define OHCI_CONTROL_INIT \
+	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
+
+#undef readl
+#undef writel
+
+#define readl(a)     au_readl((long)(a))
+#define writel(v,a)  au_writel((v),(int)(a))
+
+#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+
+#define DEBUG
+#ifdef DEBUG
+#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg)
+#else
+#define dbg(format, arg...) do {} while(0)
+#endif /* DEBUG */
+#define err(format, arg...) printf("ERROR: " format "\n", ## arg)
+#define SHOW_INFO
+#ifdef SHOW_INFO
+#define info(format, arg...) printf("INFO: " format "\n", ## arg)
+#else
+#define info(format, arg...) do {} while(0)
+#endif
+
+#define m16_swap(x) swap_16(x)
+#define m32_swap(x) swap_32(x)
+
+/* global ohci_t */
+static ohci_t gohci;
+/* this must be aligned to a 256 byte boundary */
+struct ohci_hcca ghcca[1];
+/* a pointer to the aligned storage */
+struct ohci_hcca *phcca;
+/* this allocates EDs for all possible endpoints */
+struct ohci_device ohci_dev;
+/* urb_priv */
+urb_priv_t urb_priv;
+/* RHSC flag */
+int got_rhsc;
+/* device which was disconnected */
+struct usb_device *devgone;
+
+/*-------------------------------------------------------------------------*/
+
+/* AMD-756 (D2 rev) reports corrupt register contents in some cases.
+ * The erratum (#4) description is incorrect.  AMD's workaround waits
+ * till some bits (mostly reserved) are clear; ok for all revs.
+ */
+#define OHCI_QUIRK_AMD756 0xabcd
+#define read_roothub(hc, register, mask) ({ \
+	u32 temp = readl (&hc->regs->roothub.register); \
+	if (hc->flags & OHCI_QUIRK_AMD756) \
+		while (temp & mask) \
+			temp = readl (&hc->regs->roothub.register); \
+	temp; })
+
+static u32 roothub_a (struct ohci *hc)
+	{ return read_roothub (hc, a, 0xfc0fe000); }
+static inline u32 roothub_b (struct ohci *hc)
+	{ return readl (&hc->regs->roothub.b); }
+static inline u32 roothub_status (struct ohci *hc)
+	{ return readl (&hc->regs->roothub.status); }
+static u32 roothub_portstatus (struct ohci *hc, int i)
+	{ return read_roothub (hc, portstatus [i], 0xffe0fce0); }
+
+
+/* forward declaration */
+static int hc_interrupt (void);
+static void
+td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer,
+	int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval);
+
+/*-------------------------------------------------------------------------*
+ * URB support functions
+ *-------------------------------------------------------------------------*/
+
+/* free HCD-private data associated with this URB */
+
+static void urb_free_priv (urb_priv_t * urb)
+{
+	int		i;
+	int		last;
+	struct td	* td;
+
+	last = urb->length - 1;
+	if (last >= 0) {
+		for (i = 0; i <= last; i++) {
+			td = urb->td[i];
+			if (td) {
+				td->usb_dev = NULL;
+				urb->td[i] = NULL;
+			}
+		}
+	}
+}
+
+/*-------------------------------------------------------------------------*/
+
+#ifdef DEBUG
+static int sohci_get_current_frame_number (struct usb_device * dev);
+
+/* debug| print the main components of an URB
+ * small: 0) header + data packets 1) just header */
+
+static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer,
+	int transfer_len, struct devrequest * setup, char * str, int small)
+{
+	urb_priv_t * purb = &urb_priv;
+
+	dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx",
+			str,
+			sohci_get_current_frame_number (dev),
+			usb_pipedevice (pipe),
+			usb_pipeendpoint (pipe),
+			usb_pipeout (pipe)? 'O': 'I',
+			usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"):
+				(usb_pipecontrol (pipe)? "CTRL": "BULK"),
+			purb->actual_length,
+			transfer_len, dev->status);
+#ifdef	OHCI_VERBOSE_DEBUG
+	if (!small) {
+		int i, len;
+
+		if (usb_pipecontrol (pipe)) {
+			printf (__FILE__ ": cmd(8):");
+			for (i = 0; i < 8 ; i++)
+				printf (" %02x", ((__u8 *) setup) [i]);
+			printf ("\n");
+		}
+		if (transfer_len > 0 && buffer) {
+			printf (__FILE__ ": data(%d/%d):",
+				purb->actual_length,
+				transfer_len);
+			len = usb_pipeout (pipe)?
+					transfer_len: purb->actual_length;
+			for (i = 0; i < 16 && i < len; i++)
+				printf (" %02x", ((__u8 *) buffer) [i]);
+			printf ("%s\n", i < len? "...": "");
+		}
+	}
+#endif
+}
+
+/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/
+void ep_print_int_eds (ohci_t *ohci, char * str) {
+	int i, j;
+	 __u32 * ed_p;
+	for (i= 0; i < 32; i++) {
+		j = 5;
+		ed_p = &(ohci->hcca->int_table [i]);
+		if (*ed_p == 0)
+		    continue;
+		printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i);
+		while (*ed_p != 0 && j--) {
+			ed_t *ed = (ed_t *)m32_swap(ed_p);
+			printf (" ed: %4x;", ed->hwINFO);
+			ed_p = &ed->hwNextED;
+		}
+		printf ("\n");
+	}
+}
+
+static void ohci_dump_intr_mask (char *label, __u32 mask)
+{
+	dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s",
+		label,
+		mask,
+		(mask & OHCI_INTR_MIE) ? " MIE" : "",
+		(mask & OHCI_INTR_OC) ? " OC" : "",
+		(mask & OHCI_INTR_RHSC) ? " RHSC" : "",
+		(mask & OHCI_INTR_FNO) ? " FNO" : "",
+		(mask & OHCI_INTR_UE) ? " UE" : "",
+		(mask & OHCI_INTR_RD) ? " RD" : "",
+		(mask & OHCI_INTR_SF) ? " SF" : "",
+		(mask & OHCI_INTR_WDH) ? " WDH" : "",
+		(mask & OHCI_INTR_SO) ? " SO" : ""
+		);
+}
+
+static void maybe_print_eds (char *label, __u32 value)
+{
+	ed_t *edp = (ed_t *)value;
+
+	if (value) {
+		dbg ("%s %08x", label, value);
+		dbg ("%08x", edp->hwINFO);
+		dbg ("%08x", edp->hwTailP);
+		dbg ("%08x", edp->hwHeadP);
+		dbg ("%08x", edp->hwNextED);
+	}
+}
+
+static char * hcfs2string (int state)
+{
+	switch (state) {
+		case OHCI_USB_RESET:	return "reset";
+		case OHCI_USB_RESUME:	return "resume";
+		case OHCI_USB_OPER:	return "operational";
+		case OHCI_USB_SUSPEND:	return "suspend";
+	}
+	return "?";
+}
+
+/* dump control and status registers */
+static void ohci_dump_status (ohci_t *controller)
+{
+	struct ohci_regs	*regs = controller->regs;
+	__u32			temp;
+
+	temp = readl (&regs->revision) & 0xff;
+	if (temp != 0x10)
+		dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f));
+
+	temp = readl (&regs->control);
+	dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp,
+		(temp & OHCI_CTRL_RWE) ? " RWE" : "",
+		(temp & OHCI_CTRL_RWC) ? " RWC" : "",
+		(temp & OHCI_CTRL_IR) ? " IR" : "",
+		hcfs2string (temp & OHCI_CTRL_HCFS),
+		(temp & OHCI_CTRL_BLE) ? " BLE" : "",
+		(temp & OHCI_CTRL_CLE) ? " CLE" : "",
+		(temp & OHCI_CTRL_IE) ? " IE" : "",
+		(temp & OHCI_CTRL_PLE) ? " PLE" : "",
+		temp & OHCI_CTRL_CBSR
+		);
+
+	temp = readl (&regs->cmdstatus);
+	dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp,
+		(temp & OHCI_SOC) >> 16,
+		(temp & OHCI_OCR) ? " OCR" : "",
+		(temp & OHCI_BLF) ? " BLF" : "",
+		(temp & OHCI_CLF) ? " CLF" : "",
+		(temp & OHCI_HCR) ? " HCR" : ""
+		);
+
+	ohci_dump_intr_mask ("intrstatus", readl (&regs->intrstatus));
+	ohci_dump_intr_mask ("intrenable", readl (&regs->intrenable));
+
+	maybe_print_eds ("ed_periodcurrent", readl (&regs->ed_periodcurrent));
+
+	maybe_print_eds ("ed_controlhead", readl (&regs->ed_controlhead));
+	maybe_print_eds ("ed_controlcurrent", readl (&regs->ed_controlcurrent));
+
+	maybe_print_eds ("ed_bulkhead", readl (&regs->ed_bulkhead));
+	maybe_print_eds ("ed_bulkcurrent", readl (&regs->ed_bulkcurrent));
+
+	maybe_print_eds ("donehead", readl (&regs->donehead));
+}
+
+static void ohci_dump_roothub (ohci_t *controller, int verbose)
+{
+	__u32			temp, ndp, i;
+
+	temp = roothub_a (controller);
+	ndp = (temp & RH_A_NDP);
+
+	if (verbose) {
+		dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp,
+			((temp & RH_A_POTPGT) >> 24) & 0xff,
+			(temp & RH_A_NOCP) ? " NOCP" : "",
+			(temp & RH_A_OCPM) ? " OCPM" : "",
+			(temp & RH_A_DT) ? " DT" : "",
+			(temp & RH_A_NPS) ? " NPS" : "",
+			(temp & RH_A_PSM) ? " PSM" : "",
+			ndp
+			);
+		temp = roothub_b (controller);
+		dbg ("roothub.b: %08x PPCM=%04x DR=%04x",
+			temp,
+			(temp & RH_B_PPCM) >> 16,
+			(temp & RH_B_DR)
+			);
+		temp = roothub_status (controller);
+		dbg ("roothub.status: %08x%s%s%s%s%s%s",
+			temp,
+			(temp & RH_HS_CRWE) ? " CRWE" : "",
+			(temp & RH_HS_OCIC) ? " OCIC" : "",
+			(temp & RH_HS_LPSC) ? " LPSC" : "",
+			(temp & RH_HS_DRWE) ? " DRWE" : "",
+			(temp & RH_HS_OCI) ? " OCI" : "",
+			(temp & RH_HS_LPS) ? " LPS" : ""
+			);
+	}
+
+	for (i = 0; i < ndp; i++) {
+		temp = roothub_portstatus (controller, i);
+		dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s",
+			i,
+			temp,
+			(temp & RH_PS_PRSC) ? " PRSC" : "",
+			(temp & RH_PS_OCIC) ? " OCIC" : "",
+			(temp & RH_PS_PSSC) ? " PSSC" : "",
+			(temp & RH_PS_PESC) ? " PESC" : "",
+			(temp & RH_PS_CSC) ? " CSC" : "",
+
+			(temp & RH_PS_LSDA) ? " LSDA" : "",
+			(temp & RH_PS_PPS) ? " PPS" : "",
+			(temp & RH_PS_PRS) ? " PRS" : "",
+			(temp & RH_PS_POCI) ? " POCI" : "",
+			(temp & RH_PS_PSS) ? " PSS" : "",
+
+			(temp & RH_PS_PES) ? " PES" : "",
+			(temp & RH_PS_CCS) ? " CCS" : ""
+			);
+	}
+}
+
+static void ohci_dump (ohci_t *controller, int verbose)
+{
+	dbg ("OHCI controller usb-%s state", controller->slot_name);
+
+	/* dumps some of the state we know about */
+	ohci_dump_status (controller);
+	if (verbose)
+		ep_print_int_eds (controller, "hcca");
+	dbg ("hcca frame #%04x", controller->hcca->frame_no);
+	ohci_dump_roothub (controller, 1);
+}
+
+
+#endif /* DEBUG */
+
+/*-------------------------------------------------------------------------*
+ * Interface functions (URB)
+ *-------------------------------------------------------------------------*/
+
+/* get a transfer request */
+
+int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer,
+		int transfer_len, struct devrequest *setup, int interval)
+{
+	ohci_t *ohci;
+	ed_t * ed;
+	urb_priv_t *purb_priv;
+	int i, size = 0;
+
+	ohci = &gohci;
+
+	/* when controller's hung, permit only roothub cleanup attempts
+	 * such as powering down ports */
+	if (ohci->disabled) {
+		err("sohci_submit_job: EPIPE");
+		return -1;
+	}
+
+	/* every endpoint has a ed, locate and fill it */
+	if (!(ed = ep_add_ed (dev, pipe))) {
+		err("sohci_submit_job: ENOMEM");
+		return -1;
+	}
+
+	/* for the private part of the URB we need the number of TDs (size) */
+	switch (usb_pipetype (pipe)) {
+		case PIPE_BULK: /* one TD for every 4096 Byte */
+			size = (transfer_len - 1) / 4096 + 1;
+			break;
+		case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */
+			size = (transfer_len == 0)? 2:
+						(transfer_len - 1) / 4096 + 3;
+			break;
+	}
+
+	if (size >= (N_URB_TD - 1)) {
+		err("need %d TDs, only have %d", size, N_URB_TD);
+		return -1;
+	}
+	purb_priv = &urb_priv;
+	purb_priv->pipe = pipe;
+
+	/* fill the private part of the URB */
+	purb_priv->length = size;
+	purb_priv->ed = ed;
+	purb_priv->actual_length = 0;
+
+	/* allocate the TDs */
+	/* note that td[0] was allocated in ep_add_ed */
+	for (i = 0; i < size; i++) {
+		purb_priv->td[i] = td_alloc (dev);
+		if (!purb_priv->td[i]) {
+			purb_priv->length = i;
+			urb_free_priv (purb_priv);
+			err("sohci_submit_job: ENOMEM");
+			return -1;
+		}
+	}
+
+	if (ed->state == ED_NEW || (ed->state & ED_DEL)) {
+		urb_free_priv (purb_priv);
+		err("sohci_submit_job: EINVAL");
+		return -1;
+	}
+
+	/* link the ed into a chain if is not already */
+	if (ed->state != ED_OPER)
+		ep_link (ohci, ed);
+
+	/* fill the TDs and link it to the ed */
+	td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval);
+
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+#ifdef DEBUG
+/* tell us the current USB frame number */
+
+static int sohci_get_current_frame_number (struct usb_device *usb_dev)
+{
+	ohci_t *ohci = &gohci;
+
+	return m16_swap (ohci->hcca->frame_no);
+}
+#endif
+
+/*-------------------------------------------------------------------------*
+ * ED handling functions
+ *-------------------------------------------------------------------------*/
+
+/* link an ed into one of the HC chains */
+
+static int ep_link (ohci_t *ohci, ed_t *edi)
+{
+	volatile ed_t *ed = edi;
+
+	ed->state = ED_OPER;
+
+	switch (ed->type) {
+	case PIPE_CONTROL:
+		ed->hwNextED = 0;
+		if (ohci->ed_controltail == NULL) {
+			writel ((long)ed, &ohci->regs->ed_controlhead);
+		} else {
+			ohci->ed_controltail->hwNextED = m32_swap (ed);
+		}
+		ed->ed_prev = ohci->ed_controltail;
+		if (!ohci->ed_controltail && !ohci->ed_rm_list[0] &&
+			!ohci->ed_rm_list[1] && !ohci->sleeping) {
+			ohci->hc_control |= OHCI_CTRL_CLE;
+			writel (ohci->hc_control, &ohci->regs->control);
+		}
+		ohci->ed_controltail = edi;
+		break;
+
+	case PIPE_BULK:
+		ed->hwNextED = 0;
+		if (ohci->ed_bulktail == NULL) {
+			writel ((long)ed, &ohci->regs->ed_bulkhead);
+		} else {
+			ohci->ed_bulktail->hwNextED = m32_swap (ed);
+		}
+		ed->ed_prev = ohci->ed_bulktail;
+		if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] &&
+			!ohci->ed_rm_list[1] && !ohci->sleeping) {
+			ohci->hc_control |= OHCI_CTRL_BLE;
+			writel (ohci->hc_control, &ohci->regs->control);
+		}
+		ohci->ed_bulktail = edi;
+		break;
+	}
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* unlink an ed from one of the HC chains.
+ * just the link to the ed is unlinked.
+ * the link from the ed still points to another operational ed or 0
+ * so the HC can eventually finish the processing of the unlinked ed */
+
+static int ep_unlink (ohci_t *ohci, ed_t *ed)
+{
+	ed->hwINFO |= m32_swap (OHCI_ED_SKIP);
+
+	switch (ed->type) {
+	case PIPE_CONTROL:
+		if (ed->ed_prev == NULL) {
+			if (!ed->hwNextED) {
+				ohci->hc_control &= ~OHCI_CTRL_CLE;
+				writel (ohci->hc_control, &ohci->regs->control);
+			}
+			writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead);
+		} else {
+			ed->ed_prev->hwNextED = ed->hwNextED;
+		}
+		if (ohci->ed_controltail == ed) {
+			ohci->ed_controltail = ed->ed_prev;
+		} else {
+			((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev;
+		}
+		break;
+
+	case PIPE_BULK:
+		if (ed->ed_prev == NULL) {
+			if (!ed->hwNextED) {
+				ohci->hc_control &= ~OHCI_CTRL_BLE;
+				writel (ohci->hc_control, &ohci->regs->control);
+			}
+			writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead);
+		} else {
+			ed->ed_prev->hwNextED = ed->hwNextED;
+		}
+		if (ohci->ed_bulktail == ed) {
+			ohci->ed_bulktail = ed->ed_prev;
+		} else {
+			((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev;
+		}
+		break;
+	}
+	ed->state = ED_UNLINK;
+	return 0;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+/* add/reinit an endpoint; this should be done once at the usb_set_configuration command,
+ * but the USB stack is a little bit stateless	so we do it at every transaction
+ * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK
+ * in all other cases the state is left unchanged
+ * the ed info fields are setted anyway even though most of them should not change */
+
+static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
+{
+	td_t *td;
+	ed_t *ed_ret;
+	volatile ed_t *ed;
+
+	ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) |
+			(usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))];
+
+	if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) {
+		err("ep_add_ed: pending delete");
+		/* pending delete request */
+		return NULL;
+	}
+
+	if (ed->state == ED_NEW) {
+		ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */
+		/* dummy td; end of td list for ed */
+		td = td_alloc (usb_dev);
+		ed->hwTailP = m32_swap (td);
+		ed->hwHeadP = ed->hwTailP;
+		ed->state = ED_UNLINK;
+		ed->type = usb_pipetype (pipe);
+		ohci_dev.ed_cnt++;
+	}
+
+	ed->hwINFO = m32_swap (usb_pipedevice (pipe)
+			| usb_pipeendpoint (pipe) << 7
+			| (usb_pipeisoc (pipe)? 0x8000: 0)
+			| (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000))
+			| usb_pipeslow (pipe) << 13
+			| usb_maxpacket (usb_dev, pipe) << 16);
+
+	return ed_ret;
+}
+
+/*-------------------------------------------------------------------------*
+ * TD handling functions
+ *-------------------------------------------------------------------------*/
+
+/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */
+
+static void td_fill (ohci_t *ohci, unsigned int info,
+	void *data, int len,
+	struct usb_device *dev, int index, urb_priv_t *urb_priv)
+{
+	volatile td_t  *td, *td_pt;
+#ifdef OHCI_FILL_TRACE
+	int i;
+#endif
+
+	if (index > urb_priv->length) {
+		err("index > length");
+		return;
+	}
+	/* use this td as the next dummy */
+	td_pt = urb_priv->td [index];
+	td_pt->hwNextTD = 0;
+
+	/* fill the old dummy TD */
+	td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf);
+
+	td->ed = urb_priv->ed;
+	td->next_dl_td = NULL;
+	td->index = index;
+	td->data = (__u32)data;
+#ifdef OHCI_FILL_TRACE
+	if (1 || ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe))) {
+		for (i = 0; i < len; i++)
+		printf("td->data[%d] %#2x\n",i, ((unsigned char *)(td->data+0x80000000))[i]);
+	}
+#endif
+	if (!len)
+		data = 0;
+
+	td->hwINFO = m32_swap (info);
+	td->hwCBP = m32_swap (data);
+	if (data)
+		td->hwBE = m32_swap (data + len - 1);
+	else
+		td->hwBE = 0;
+	td->hwNextTD = m32_swap (td_pt);
+	td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000);
+
+	/* append to queue */
+	td->ed->hwTailP = td->hwNextTD;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* prepare all TDs of a transfer */
+
+#define kseg_to_phys(x)	  ((void *)((__u32)(x) - 0x80000000))
+
+static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer,
+	int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval)
+{
+	ohci_t *ohci = &gohci;
+	int data_len = transfer_len;
+	void *data;
+	int cnt = 0;
+	__u32 info = 0;
+	unsigned int toggle = 0;
+
+	/* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */
+	if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) {
+		toggle = TD_T_TOGGLE;
+	} else {
+		toggle = TD_T_DATA0;
+		usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1);
+	}
+	urb->td_cnt = 0;
+	if (data_len)
+		data = kseg_to_phys(buffer);
+	else
+		data = 0;
+
+	switch (usb_pipetype (pipe)) {
+	case PIPE_BULK:
+		info = usb_pipeout (pipe)?
+			TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ;
+		while(data_len > 4096) {
+			td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb);
+			data += 4096; data_len -= 4096; cnt++;
+		}
+		info = usb_pipeout (pipe)?
+			TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ;
+		td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb);
+		cnt++;
+
+		if (!ohci->sleeping)
+			writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */
+		break;
+
+	case PIPE_CONTROL:
+		info = TD_CC | TD_DP_SETUP | TD_T_DATA0;
+		td_fill (ohci, info, kseg_to_phys(setup), 8, dev, cnt++, urb);
+		if (data_len > 0) {
+			info = usb_pipeout (pipe)?
+				TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1;
+			/* NOTE:  mishandles transfers >8K, some >4K */
+			td_fill (ohci, info, data, data_len, dev, cnt++, urb);
+		}
+		info = usb_pipeout (pipe)?
+			TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1;
+		td_fill (ohci, info, data, 0, dev, cnt++, urb);
+		if (!ohci->sleeping)
+			writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */
+		break;
+	}
+	if (urb->length != cnt)
+		dbg("TD LENGTH %d != CNT %d", urb->length, cnt);
+}
+
+/*-------------------------------------------------------------------------*
+ * Done List handling functions
+ *-------------------------------------------------------------------------*/
+
+
+/* calculate the transfer length and update the urb */
+
+static void dl_transfer_length(td_t * td)
+{
+	__u32 tdINFO, tdBE, tdCBP;
+	urb_priv_t *lurb_priv = &urb_priv;
+
+	tdINFO = m32_swap (td->hwINFO);
+	tdBE   = m32_swap (td->hwBE);
+	tdCBP  = m32_swap (td->hwCBP);
+
+
+	if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL &&
+	    ((td->index == 0) || (td->index == lurb_priv->length - 1)))) {
+		if (tdBE != 0) {
+			if (td->hwCBP == 0)
+				lurb_priv->actual_length += tdBE - td->data + 1;
+			else
+				lurb_priv->actual_length += tdCBP - td->data;
+		}
+	}
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* replies to the request have to be on a FIFO basis so
+ * we reverse the reversed done-list */
+
+static td_t * dl_reverse_done_list (ohci_t *ohci)
+{
+	__u32 td_list_hc;
+	td_t *td_rev = NULL;
+	td_t *td_list = NULL;
+	urb_priv_t *lurb_priv = NULL;
+
+	td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0;
+	ohci->hcca->done_head = 0;
+
+	while (td_list_hc) {
+		td_list = (td_t *)td_list_hc;
+
+		if (TD_CC_GET (m32_swap (td_list->hwINFO))) {
+			lurb_priv = &urb_priv;
+			dbg(" USB-error/status: %x : %p",
+					TD_CC_GET (m32_swap (td_list->hwINFO)), td_list);
+			if (td_list->ed->hwHeadP & m32_swap (0x1)) {
+				if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) {
+					td_list->ed->hwHeadP =
+						(lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) |
+									(td_list->ed->hwHeadP & m32_swap (0x2));
+					lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1;
+				} else
+					td_list->ed->hwHeadP &= m32_swap (0xfffffff2);
+			}
+		}
+
+		td_list->next_dl_td = td_rev;
+		td_rev = td_list;
+		td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0;
+	}
+	return td_list;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* td done list */
+static int dl_done_list (ohci_t *ohci, td_t *td_list)
+{
+	td_t *td_list_next = NULL;
+	ed_t *ed;
+	int cc = 0;
+	int stat = 0;
+	/* urb_t *urb; */
+	urb_priv_t *lurb_priv;
+	__u32 tdINFO, edHeadP, edTailP;
+
+	while (td_list) {
+		td_list_next = td_list->next_dl_td;
+
+		lurb_priv = &urb_priv;
+		tdINFO = m32_swap (td_list->hwINFO);
+
+		ed = td_list->ed;
+
+		dl_transfer_length(td_list);
+
+		/* error code of transfer */
+		cc = TD_CC_GET (tdINFO);
+		if (cc != 0) {
+			dbg("ConditionCode %#x", cc);
+			stat = cc_to_error[cc];
+		}
+
+		if (ed->state != ED_NEW) {
+			edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0;
+			edTailP = m32_swap (ed->hwTailP);
+
+			/* unlink eds if they are not busy */
+			if ((edHeadP == edTailP) && (ed->state == ED_OPER))
+				ep_unlink (ohci, ed);
+		}
+
+		td_list = td_list_next;
+	}
+	return stat;
+}
+
+/*-------------------------------------------------------------------------*
+ * Virtual Root Hub
+ *-------------------------------------------------------------------------*/
+
+/* Device descriptor */
+static __u8 root_hub_dev_des[] =
+{
+	0x12,	    /*	__u8  bLength; */
+	0x01,	    /*	__u8  bDescriptorType; Device */
+	0x10,	    /*	__u16 bcdUSB; v1.1 */
+	0x01,
+	0x09,	    /*	__u8  bDeviceClass; HUB_CLASSCODE */
+	0x00,	    /*	__u8  bDeviceSubClass; */
+	0x00,	    /*	__u8  bDeviceProtocol; */
+	0x08,	    /*	__u8  bMaxPacketSize0; 8 Bytes */
+	0x00,	    /*	__u16 idVendor; */
+	0x00,
+	0x00,	    /*	__u16 idProduct; */
+	0x00,
+	0x00,	    /*	__u16 bcdDevice; */
+	0x00,
+	0x00,	    /*	__u8  iManufacturer; */
+	0x01,	    /*	__u8  iProduct; */
+	0x00,	    /*	__u8  iSerialNumber; */
+	0x01	    /*	__u8  bNumConfigurations; */
+};
+
+
+/* Configuration descriptor */
+static __u8 root_hub_config_des[] =
+{
+	0x09,	    /*	__u8  bLength; */
+	0x02,	    /*	__u8  bDescriptorType; Configuration */
+	0x19,	    /*	__u16 wTotalLength; */
+	0x00,
+	0x01,	    /*	__u8  bNumInterfaces; */
+	0x01,	    /*	__u8  bConfigurationValue; */
+	0x00,	    /*	__u8  iConfiguration; */
+	0x40,	    /*	__u8  bmAttributes;
+		 Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */
+	0x00,	    /*	__u8  MaxPower; */
+
+	/* interface */
+	0x09,	    /*	__u8  if_bLength; */
+	0x04,	    /*	__u8  if_bDescriptorType; Interface */
+	0x00,	    /*	__u8  if_bInterfaceNumber; */
+	0x00,	    /*	__u8  if_bAlternateSetting; */
+	0x01,	    /*	__u8  if_bNumEndpoints; */
+	0x09,	    /*	__u8  if_bInterfaceClass; HUB_CLASSCODE */
+	0x00,	    /*	__u8  if_bInterfaceSubClass; */
+	0x00,	    /*	__u8  if_bInterfaceProtocol; */
+	0x00,	    /*	__u8  if_iInterface; */
+
+	/* endpoint */
+	0x07,	    /*	__u8  ep_bLength; */
+	0x05,	    /*	__u8  ep_bDescriptorType; Endpoint */
+	0x81,	    /*	__u8  ep_bEndpointAddress; IN Endpoint 1 */
+	0x03,	    /*	__u8  ep_bmAttributes; Interrupt */
+	0x02,	    /*	__u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
+	0x00,
+	0xff	    /*	__u8  ep_bInterval; 255 ms */
+};
+
+static unsigned char root_hub_str_index0[] =
+{
+	0x04,			/*  __u8  bLength; */
+	0x03,			/*  __u8  bDescriptorType; String-descriptor */
+	0x09,			/*  __u8  lang ID */
+	0x04,			/*  __u8  lang ID */
+};
+
+static unsigned char root_hub_str_index1[] =
+{
+	28,			/*  __u8  bLength; */
+	0x03,			/*  __u8  bDescriptorType; String-descriptor */
+	'O',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'H',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'C',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'I',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	' ',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'R',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'o',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'o',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	't',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	' ',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'H',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'u',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+	'b',			/*  __u8  Unicode */
+	0,				/*  __u8  Unicode */
+};
+
+/* Hub class-specific descriptor is constructed dynamically */
+
+
+/*-------------------------------------------------------------------------*/
+
+#define OK(x)			len = (x); break
+#ifdef DEBUG
+#define WR_RH_STAT(x)		{info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);}
+#define WR_RH_PORTSTAT(x)	{info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);}
+#else
+#define WR_RH_STAT(x)		writel((x), &gohci.regs->roothub.status)
+#define WR_RH_PORTSTAT(x)	writel((x), &gohci.regs->roothub.portstatus[wIndex-1])
+#endif
+#define RD_RH_STAT		roothub_status(&gohci)
+#define RD_RH_PORTSTAT		roothub_portstatus(&gohci,wIndex-1)
+
+/* request to virtual root hub */
+
+int rh_check_port_status(ohci_t *controller)
+{
+	__u32 temp, ndp, i;
+	int res;
+
+	res = -1;
+	temp = roothub_a (controller);
+	ndp = (temp & RH_A_NDP);
+	for (i = 0; i < ndp; i++) {
+		temp = roothub_portstatus (controller, i);
+		/* check for a device disconnect */
+		if (((temp & (RH_PS_PESC | RH_PS_CSC)) ==
+			(RH_PS_PESC | RH_PS_CSC)) &&
+			((temp & RH_PS_CCS) == 0)) {
+			res = i;
+			break;
+		}
+	}
+	return res;
+}
+
+static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
+		void *buffer, int transfer_len, struct devrequest *cmd)
+{
+	void * data = buffer;
+	int leni = transfer_len;
+	int len = 0;
+	int stat = 0;
+	__u32 datab[4];
+	__u8 *data_buf = (__u8 *)datab;
+	__u16 bmRType_bReq;
+	__u16 wValue;
+	__u16 wIndex;
+	__u16 wLength;
+
+#ifdef DEBUG
+urb_priv.actual_length = 0;
+pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
+#else
+	wait_ms(1);
+#endif
+	if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) {
+		info("Root-Hub submit IRQ: NOT implemented");
+		return 0;
+	}
+
+	bmRType_bReq  = cmd->requesttype | (cmd->request << 8);
+	wValue	      = m16_swap (cmd->value);
+	wIndex	      = m16_swap (cmd->index);
+	wLength	      = m16_swap (cmd->length);
+
+	info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x",
+		dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength);
+
+	switch (bmRType_bReq) {
+	/* Request Destination:
+	   without flags: Device,
+	   RH_INTERFACE: interface,
+	   RH_ENDPOINT: endpoint,
+	   RH_CLASS means HUB here,
+	   RH_OTHER | RH_CLASS	almost ever means HUB_PORT here
+	*/
+
+	case RH_GET_STATUS:
+			*(__u16 *) data_buf = m16_swap (1); OK (2);
+	case RH_GET_STATUS | RH_INTERFACE:
+			*(__u16 *) data_buf = m16_swap (0); OK (2);
+	case RH_GET_STATUS | RH_ENDPOINT:
+			*(__u16 *) data_buf = m16_swap (0); OK (2);
+	case RH_GET_STATUS | RH_CLASS:
+			*(__u32 *) data_buf = m32_swap (
+				RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE));
+			OK (4);
+	case RH_GET_STATUS | RH_OTHER | RH_CLASS:
+			*(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4);
+
+	case RH_CLEAR_FEATURE | RH_ENDPOINT:
+		switch (wValue) {
+			case (RH_ENDPOINT_STALL): OK (0);
+		}
+		break;
+
+	case RH_CLEAR_FEATURE | RH_CLASS:
+		switch (wValue) {
+			case RH_C_HUB_LOCAL_POWER:
+				OK(0);
+			case (RH_C_HUB_OVER_CURRENT):
+					WR_RH_STAT(RH_HS_OCIC); OK (0);
+		}
+		break;
+
+	case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
+		switch (wValue) {
+			case (RH_PORT_ENABLE):
+					WR_RH_PORTSTAT (RH_PS_CCS ); OK (0);
+			case (RH_PORT_SUSPEND):
+					WR_RH_PORTSTAT (RH_PS_POCI); OK (0);
+			case (RH_PORT_POWER):
+					WR_RH_PORTSTAT (RH_PS_LSDA); OK (0);
+			case (RH_C_PORT_CONNECTION):
+					WR_RH_PORTSTAT (RH_PS_CSC ); OK (0);
+			case (RH_C_PORT_ENABLE):
+					WR_RH_PORTSTAT (RH_PS_PESC); OK (0);
+			case (RH_C_PORT_SUSPEND):
+					WR_RH_PORTSTAT (RH_PS_PSSC); OK (0);
+			case (RH_C_PORT_OVER_CURRENT):
+					WR_RH_PORTSTAT (RH_PS_OCIC); OK (0);
+			case (RH_C_PORT_RESET):
+					WR_RH_PORTSTAT (RH_PS_PRSC); OK (0);
+		}
+		break;
+
+	case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
+		switch (wValue) {
+			case (RH_PORT_SUSPEND):
+					WR_RH_PORTSTAT (RH_PS_PSS ); OK (0);
+			case (RH_PORT_RESET): /* BUG IN HUP CODE *********/
+					if (RD_RH_PORTSTAT & RH_PS_CCS)
+					    WR_RH_PORTSTAT (RH_PS_PRS);
+					OK (0);
+			case (RH_PORT_POWER):
+					WR_RH_PORTSTAT (RH_PS_PPS ); OK (0);
+			case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/
+					if (RD_RH_PORTSTAT & RH_PS_CCS)
+					    WR_RH_PORTSTAT (RH_PS_PES );
+					OK (0);
+		}
+		break;
+
+	case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0);
+
+	case RH_GET_DESCRIPTOR:
+		switch ((wValue & 0xff00) >> 8) {
+			case (0x01): /* device descriptor */
+				len = min_t(unsigned int,
+					  leni,
+					  min_t(unsigned int,
+					      sizeof (root_hub_dev_des),
+					      wLength));
+				data_buf = root_hub_dev_des; OK(len);
+			case (0x02): /* configuration descriptor */
+				len = min_t(unsigned int,
+					  leni,
+					  min_t(unsigned int,
+					      sizeof (root_hub_config_des),
+					      wLength));
+				data_buf = root_hub_config_des; OK(len);
+			case (0x03): /* string descriptors */
+				if(wValue==0x0300) {
+					len = min_t(unsigned int,
+						  leni,
+						  min_t(unsigned int,
+						      sizeof (root_hub_str_index0),
+						      wLength));
+					data_buf = root_hub_str_index0;
+					OK(len);
+				}
+				if(wValue==0x0301) {
+					len = min_t(unsigned int,
+						  leni,
+						  min_t(unsigned int,
+						      sizeof (root_hub_str_index1),
+						      wLength));
+					data_buf = root_hub_str_index1;
+					OK(len);
+			}
+			default:
+				stat = USB_ST_STALLED;
+		}
+		break;
+
+	case RH_GET_DESCRIPTOR | RH_CLASS:
+	    {
+		    __u32 temp = roothub_a (&gohci);
+
+		    data_buf [0] = 9;		/* min length; */
+		    data_buf [1] = 0x29;
+		    data_buf [2] = temp & RH_A_NDP;
+		    data_buf [3] = 0;
+		    if (temp & RH_A_PSM)	/* per-port power switching? */
+			data_buf [3] |= 0x1;
+		    if (temp & RH_A_NOCP)	/* no overcurrent reporting? */
+			data_buf [3] |= 0x10;
+		    else if (temp & RH_A_OCPM)	/* per-port overcurrent reporting? */
+			data_buf [3] |= 0x8;
+
+		    /* corresponds to data_buf[4-7] */
+		    datab [1] = 0;
+		    data_buf [5] = (temp & RH_A_POTPGT) >> 24;
+		    temp = roothub_b (&gohci);
+		    data_buf [7] = temp & RH_B_DR;
+		    if (data_buf [2] < 7) {
+			data_buf [8] = 0xff;
+		    } else {
+			data_buf [0] += 2;
+			data_buf [8] = (temp & RH_B_DR) >> 8;
+			data_buf [10] = data_buf [9] = 0xff;
+		    }
+
+		    len = min_t(unsigned int, leni,
+			      min_t(unsigned int, data_buf [0], wLength));
+		    OK (len);
+		}
+
+	case RH_GET_CONFIGURATION:	*(__u8 *) data_buf = 0x01; OK (1);
+
+	case RH_SET_CONFIGURATION:	WR_RH_STAT (0x10000); OK (0);
+
+	default:
+		dbg ("unsupported root hub command");
+		stat = USB_ST_STALLED;
+	}
+
+#ifdef	DEBUG
+	ohci_dump_roothub (&gohci, 1);
+#else
+	wait_ms(1);
+#endif
+
+	len = min_t(int, len, leni);
+	if (data != data_buf)
+	    memcpy (data, data_buf, len);
+	dev->act_len = len;
+	dev->status = stat;
+
+#ifdef DEBUG
+	if (transfer_len)
+		urb_priv.actual_length = transfer_len;
+	pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/);
+#else
+	wait_ms(1);
+#endif
+
+	return stat;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* common code for handling submit messages - used for all but root hub */
+/* accesses. */
+int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+		int transfer_len, struct devrequest *setup, int interval)
+{
+	int stat = 0;
+	int maxsize = usb_maxpacket(dev, pipe);
+	int timeout;
+
+	/* device pulled? Shortcut the action. */
+	if (devgone == dev) {
+		dev->status = USB_ST_CRC_ERR;
+		return 0;
+	}
+
+#ifdef DEBUG
+	urb_priv.actual_length = 0;
+	pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe));
+#else
+	wait_ms(1);
+#endif
+	if (!maxsize) {
+		err("submit_common_message: pipesize for pipe %lx is zero",
+			pipe);
+		return -1;
+	}
+
+	if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) {
+		err("sohci_submit_job failed");
+		return -1;
+	}
+
+	wait_ms(10);
+	/* ohci_dump_status(&gohci); */
+
+	/* allow more time for a BULK device to react - some are slow */
+#define BULK_TO	 5000	/* timeout in milliseconds */
+	if (usb_pipetype (pipe) == PIPE_BULK)
+		timeout = BULK_TO;
+	else
+		timeout = 100;
+
+	timeout *= 4;
+	/* wait for it to complete */
+	for (;;) {
+		/* check whether the controller is done */
+		stat = hc_interrupt();
+		if (stat < 0) {
+			stat = USB_ST_CRC_ERR;
+			break;
+		}
+		if (stat >= 0 && stat != 0xff) {
+			/* 0xff is returned for an SF-interrupt */
+			break;
+		}
+		if (--timeout) {
+			udelay(250); /* wait_ms(1); */
+		} else {
+			err("CTL:TIMEOUT ");
+			stat = USB_ST_CRC_ERR;
+			break;
+		}
+	}
+	/* we got an Root Hub Status Change interrupt */
+	if (got_rhsc) {
+#ifdef DEBUG
+		ohci_dump_roothub (&gohci, 1);
+#endif
+		got_rhsc = 0;
+		/* abuse timeout */
+		timeout = rh_check_port_status(&gohci);
+		if (timeout >= 0) {
+#if 0 /* this does nothing useful, but leave it here in case that changes */
+			/* the called routine adds 1 to the passed value */
+			usb_hub_port_connect_change(gohci.rh.dev, timeout - 1);
+#endif
+			/*
+			 * XXX
+			 * This is potentially dangerous because it assumes
+			 * that only one device is ever plugged in!
+			 */
+			devgone = dev;
+		}
+	}
+
+	dev->status = stat;
+	dev->act_len = transfer_len;
+
+#ifdef DEBUG
+	pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe));
+#else
+	wait_ms(1);
+#endif
+
+	/* free TDs in urb_priv */
+	urb_free_priv (&urb_priv);
+	return 0;
+}
+
+/* submit routines called from usb.c */
+int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+		int transfer_len)
+{
+	info("submit_bulk_msg");
+	return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0);
+}
+
+int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+		int transfer_len, struct devrequest *setup)
+{
+	int maxsize = usb_maxpacket(dev, pipe);
+
+	info("submit_control_msg");
+#ifdef DEBUG
+	urb_priv.actual_length = 0;
+	pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe));
+#else
+	wait_ms(1);
+#endif
+	if (!maxsize) {
+		err("submit_control_message: pipesize for pipe %lx is zero",
+			pipe);
+		return -1;
+	}
+	if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) {
+		gohci.rh.dev = dev;
+		/* root hub - redirect */
+		return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len,
+			setup);
+	}
+
+	return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0);
+}
+
+int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+		int transfer_len, int interval)
+{
+	info("submit_int_msg");
+	return -1;
+}
+
+/*-------------------------------------------------------------------------*
+ * HC functions
+ *-------------------------------------------------------------------------*/
+
+/* reset the HC and BUS */
+
+static int hc_reset (ohci_t *ohci)
+{
+	int timeout = 30;
+	int smm_timeout = 50; /* 0,5 sec */
+
+	if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */
+		writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */
+		info("USB HC TakeOver from SMM");
+		while (readl (&ohci->regs->control) & OHCI_CTRL_IR) {
+			wait_ms (10);
+			if (--smm_timeout == 0) {
+				err("USB HC TakeOver failed!");
+				return -1;
+			}
+		}
+	}
+
+	/* Disable HC interrupts */
+	writel (OHCI_INTR_MIE, &ohci->regs->intrdisable);
+
+	dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;",
+		ohci->slot_name,
+		readl (&ohci->regs->control));
+
+	/* Reset USB (needed by some controllers) */
+	writel (0, &ohci->regs->control);
+
+	/* HC Reset requires max 10 us delay */
+	writel (OHCI_HCR,  &ohci->regs->cmdstatus);
+	while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) {
+		if (--timeout == 0) {
+			err("USB HC reset timed out!");
+			return -1;
+		}
+		udelay (1);
+	}
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* Start an OHCI controller, set the BUS operational
+ * enable interrupts
+ * connect the virtual root hub */
+
+static int hc_start (ohci_t * ohci)
+{
+	__u32 mask;
+	unsigned int fminterval;
+
+	ohci->disabled = 1;
+
+	/* Tell the controller where the control and bulk lists are
+	 * The lists are empty now. */
+
+	writel (0, &ohci->regs->ed_controlhead);
+	writel (0, &ohci->regs->ed_bulkhead);
+
+	writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */
+
+	fminterval = 0x2edf;
+	writel ((fminterval * 9) / 10, &ohci->regs->periodicstart);
+	fminterval |= ((((fminterval - 210) * 6) / 7) << 16);
+	writel (fminterval, &ohci->regs->fminterval);
+	writel (0x628, &ohci->regs->lsthresh);
+
+	/* start controller operations */
+	ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER;
+	ohci->disabled = 0;
+	writel (ohci->hc_control, &ohci->regs->control);
+
+	/* disable all interrupts */
+	mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD |
+			OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC |
+			OHCI_INTR_OC | OHCI_INTR_MIE);
+	writel (mask, &ohci->regs->intrdisable);
+	/* clear all interrupts */
+	mask &= ~OHCI_INTR_MIE;
+	writel (mask, &ohci->regs->intrstatus);
+	/* Choose the interrupts we care about now  - but w/o MIE */
+	mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO;
+	writel (mask, &ohci->regs->intrenable);
+
+#ifdef	OHCI_USE_NPS
+	/* required for AMD-756 and some Mac platforms */
+	writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM,
+		&ohci->regs->roothub.a);
+	writel (RH_HS_LPSC, &ohci->regs->roothub.status);
+#endif	/* OHCI_USE_NPS */
+
+#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);})
+	/* POTPGT delay is bits 24-31, in 2 ms units. */
+	mdelay ((roothub_a (ohci) >> 23) & 0x1fe);
+
+	/* connect the virtual root hub */
+	ohci->rh.devnum = 0;
+
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* an interrupt happens */
+
+static int
+hc_interrupt (void)
+{
+	ohci_t *ohci = &gohci;
+	struct ohci_regs *regs = ohci->regs;
+	int ints;
+	int stat = -1;
+
+	if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) {
+		ints =	OHCI_INTR_WDH;
+	} else {
+		ints = readl (&regs->intrstatus);
+	}
+
+	/* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */
+
+	if (ints & OHCI_INTR_RHSC) {
+		got_rhsc = 1;
+	}
+
+	if (ints & OHCI_INTR_UE) {
+		ohci->disabled++;
+		err ("OHCI Unrecoverable Error, controller usb-%s disabled",
+			ohci->slot_name);
+		/* e.g. due to PCI Master/Target Abort */
+
+#ifdef	DEBUG
+		ohci_dump (ohci, 1);
+#else
+	wait_ms(1);
+#endif
+		/* FIXME: be optimistic, hope that bug won't repeat often. */
+		/* Make some non-interrupt context restart the controller. */
+		/* Count and limit the retries though; either hardware or */
+		/* software errors can go forever... */
+		hc_reset (ohci);
+		return -1;
+	}
+
+	if (ints & OHCI_INTR_WDH) {
+		wait_ms(1);
+		writel (OHCI_INTR_WDH, &regs->intrdisable);
+		stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci));
+		writel (OHCI_INTR_WDH, &regs->intrenable);
+	}
+
+	if (ints & OHCI_INTR_SO) {
+		dbg("USB Schedule overrun\n");
+		writel (OHCI_INTR_SO, &regs->intrenable);
+		stat = -1;
+	}
+
+	/* FIXME:  this assumes SOF (1/ms) interrupts don't get lost... */
+	if (ints & OHCI_INTR_SF) {
+		unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1;
+		wait_ms(1);
+		writel (OHCI_INTR_SF, &regs->intrdisable);
+		if (ohci->ed_rm_list[frame] != NULL)
+			writel (OHCI_INTR_SF, &regs->intrenable);
+		stat = 0xff;
+	}
+
+	writel (ints, &regs->intrstatus);
+	return stat;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/*-------------------------------------------------------------------------*/
+
+/* De-allocate all resources.. */
+
+static void hc_release_ohci (ohci_t *ohci)
+{
+	dbg ("USB HC release ohci usb-%s", ohci->slot_name);
+
+	if (!ohci->disabled)
+		hc_reset (ohci);
+}
+
+/*-------------------------------------------------------------------------*/
+
+#define __read_32bit_c0_register(source, sel)				\
+({ int __res;								\
+	if (sel == 0)							\
+		__asm__ __volatile__(					\
+			"mfc0\t%0, " #source "\n\t"			\
+			: "=r" (__res));				\
+	else								\
+		__asm__ __volatile__(					\
+			".set\tmips32\n\t"				\
+			"mfc0\t%0, " #source ", " #sel "\n\t"		\
+			".set\tmips0\n\t"				\
+			: "=r" (__res));				\
+	__res;								\
+})
+
+#define read_c0_prid()		__read_32bit_c0_register($15, 0)
+
+/*
+ * low level initalisation routine, called from usb.c
+ */
+static char ohci_inited = 0;
+
+int usb_lowlevel_init(void)
+{
+	u32 pin_func;
+	u32 sys_freqctrl, sys_clksrc;
+	u32 prid = read_c0_prid();
+
+	dbg("in usb_lowlevel_init\n");
+
+	/* zero and disable FREQ2 */
+	sys_freqctrl = au_readl(SYS_FREQCTRL0);
+	sys_freqctrl &= ~0xFFF00000;
+	au_writel(sys_freqctrl, SYS_FREQCTRL0);
+
+	/* zero and disable USBH/USBD clocks */
+	sys_clksrc = au_readl(SYS_CLKSRC);
+	sys_clksrc &= ~0x00007FE0;
+	au_writel(sys_clksrc, SYS_CLKSRC);
+
+	sys_freqctrl = au_readl(SYS_FREQCTRL0);
+	sys_freqctrl &= ~0xFFF00000;
+
+	sys_clksrc = au_readl(SYS_CLKSRC);
+	sys_clksrc &= ~0x00007FE0;
+
+	switch (prid & 0x000000FF) {
+	case 0x00: /* DA */
+	case 0x01: /* HA */
+	case 0x02: /* HB */
+		/* CPU core freq to 48MHz to slow it way down... */
+		au_writel(4, SYS_CPUPLL);
+
+		/*
+		 * Setup 48MHz FREQ2 from CPUPLL for USB Host
+		 */
+		/* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */
+		sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20));
+		au_writel(sys_freqctrl, SYS_FREQCTRL0);
+
+		/* CPU core freq to 384MHz */
+		au_writel(0x20, SYS_CPUPLL);
+
+		printf("Au1000: 48MHz OHCI workaround enabled\n");
+		break;
+
+	default:  /* HC and newer */
+		/* FREQ2 = aux/2 = 48 MHz */
+		sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
+		au_writel(sys_freqctrl, SYS_FREQCTRL0);
+		break;
+	}
+
+	/*
+	 * Route 48MHz FREQ2 into USB Host and/or Device
+	 */
+	sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
+	au_writel(sys_clksrc, SYS_CLKSRC);
+
+	/* configure pins GPIO[14:9] as GPIO */
+	pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080);
+
+	au_writel(pin_func, SYS_PINFUNC);
+	au_writel(0x2800, SYS_TRIOUTCLR);
+	au_writel(0x0030, SYS_OUTPUTCLR);
+
+	dbg("OHCI board setup complete\n");
+
+	/* enable host controller */
+	au_writel(USBH_ENABLE_CE, USB_HOST_CONFIG);
+	udelay(1000);
+	au_writel(USBH_ENABLE_INIT, USB_HOST_CONFIG);
+	udelay(1000);
+
+	/* wait for reset complete (read register twice; see au1500 errata) */
+	while (au_readl(USB_HOST_CONFIG),
+	       !(au_readl(USB_HOST_CONFIG) & USBH_ENABLE_RD))
+		udelay(1000);
+
+	dbg("OHCI clock running\n");
+
+	memset (&gohci, 0, sizeof (ohci_t));
+	memset (&urb_priv, 0, sizeof (urb_priv_t));
+
+	/* align the storage */
+	if ((__u32)&ghcca[0] & 0xff) {
+		err("HCCA not aligned!!");
+		return -1;
+	}
+	phcca = &ghcca[0];
+	info("aligned ghcca %p", phcca);
+	memset(&ohci_dev, 0, sizeof(struct ohci_device));
+	if ((__u32)&ohci_dev.ed[0] & 0x7) {
+		err("EDs not aligned!!");
+		return -1;
+	}
+	memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1));
+	if ((__u32)gtd & 0x7) {
+		err("TDs not aligned!!");
+		return -1;
+	}
+	ptd = gtd;
+	gohci.hcca = phcca;
+	memset (phcca, 0, sizeof (struct ohci_hcca));
+
+	gohci.disabled = 1;
+	gohci.sleeping = 0;
+	gohci.irq = -1;
+	gohci.regs = (struct ohci_regs *)(USB_OHCI_BASE | 0xA0000000);
+
+	gohci.flags = 0;
+	gohci.slot_name = "au1x00";
+
+	dbg("OHCI revision: 0x%08x\n"
+	       "  RH: a: 0x%08x b: 0x%08x\n",
+	       readl(&gohci.regs->revision),
+	       readl(&gohci.regs->roothub.a), readl(&gohci.regs->roothub.b));
+
+	if (hc_reset (&gohci) < 0)
+		goto errout;
+
+	/* FIXME this is a second HC reset; why?? */
+	writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control);
+	wait_ms (10);
+
+	if (hc_start (&gohci) < 0)
+		goto errout;
+
+#ifdef	DEBUG
+	ohci_dump (&gohci, 1);
+#else
+	wait_ms(1);
+#endif
+	ohci_inited = 1;
+	return 0;
+
+  errout:
+	err("OHCI initialization error\n");
+	hc_release_ohci (&gohci);
+	/* Initialization failed */
+	au_writel(readl(USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG);
+	return -1;
+}
+
+int usb_lowlevel_stop(void)
+{
+	/* this gets called really early - before the controller has */
+	/* even been initialized! */
+	if (!ohci_inited)
+		return 0;
+	/* TODO release any interrupts, etc. */
+	/* call hc_release_ohci() here ? */
+	hc_reset (&gohci);
+	/* may not want to do this */
+	/* Disable clock */
+	au_writel(readl(USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG);
+	return 0;
+}
+
+#endif /* CONFIG_USB_OHCI */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.h b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.h
new file mode 100644
index 000000000..4ef06ffde
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_usb_ohci.h
@@ -0,0 +1,416 @@
+/*
+ * URB OHCI HCD (Host Controller Driver) for USB.
+ *
+ * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
+ * (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net>
+ *
+ * usb-ohci.h
+ */
+
+
+static int cc_to_error[16] = {
+
+/* mapping of the OHCI CC status to error codes */
+	/* No  Error  */               0,
+	/* CRC Error  */               USB_ST_CRC_ERR,
+	/* Bit Stuff  */               USB_ST_BIT_ERR,
+	/* Data Togg  */               USB_ST_CRC_ERR,
+	/* Stall      */               USB_ST_STALLED,
+	/* DevNotResp */               -1,
+	/* PIDCheck   */               USB_ST_BIT_ERR,
+	/* UnExpPID   */               USB_ST_BIT_ERR,
+	/* DataOver   */               USB_ST_BUF_ERR,
+	/* DataUnder  */               USB_ST_BUF_ERR,
+	/* reservd    */               -1,
+	/* reservd    */               -1,
+	/* BufferOver */               USB_ST_BUF_ERR,
+	/* BuffUnder  */               USB_ST_BUF_ERR,
+	/* Not Access */               -1,
+	/* Not Access */               -1
+};
+
+/* ED States */
+
+#define ED_NEW 		0x00
+#define ED_UNLINK 	0x01
+#define ED_OPER		0x02
+#define ED_DEL		0x04
+#define ED_URB_DEL  	0x08
+
+/* usb_ohci_ed */
+struct ed {
+	__u32 hwINFO;
+	__u32 hwTailP;
+	__u32 hwHeadP;
+	__u32 hwNextED;
+
+	struct ed *ed_prev;
+	__u8 int_period;
+	__u8 int_branch;
+	__u8 int_load;
+	__u8 int_interval;
+	__u8 state;
+	__u8 type;
+	__u16 last_iso;
+	struct ed *ed_rm_list;
+
+	struct usb_device *usb_dev;
+	__u32 unused[3];
+} __attribute((aligned(16)));
+typedef struct ed ed_t;
+
+
+/* TD info field */
+#define TD_CC       0xf0000000
+#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f)
+#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28)
+#define TD_EC       0x0C000000
+#define TD_T        0x03000000
+#define TD_T_DATA0  0x02000000
+#define TD_T_DATA1  0x03000000
+#define TD_T_TOGGLE 0x00000000
+#define TD_R        0x00040000
+#define TD_DI       0x00E00000
+#define TD_DI_SET(X) (((X) & 0x07)<< 21)
+#define TD_DP       0x00180000
+#define TD_DP_SETUP 0x00000000
+#define TD_DP_IN    0x00100000
+#define TD_DP_OUT   0x00080000
+
+#define TD_ISO	    0x00010000
+#define TD_DEL      0x00020000
+
+/* CC Codes */
+#define TD_CC_NOERROR      0x00
+#define TD_CC_CRC          0x01
+#define TD_CC_BITSTUFFING  0x02
+#define TD_CC_DATATOGGLEM  0x03
+#define TD_CC_STALL        0x04
+#define TD_DEVNOTRESP      0x05
+#define TD_PIDCHECKFAIL    0x06
+#define TD_UNEXPECTEDPID   0x07
+#define TD_DATAOVERRUN     0x08
+#define TD_DATAUNDERRUN    0x09
+#define TD_BUFFEROVERRUN   0x0C
+#define TD_BUFFERUNDERRUN  0x0D
+#define TD_NOTACCESSED     0x0F
+
+
+#define MAXPSW 1
+
+struct td {
+	__u32 hwINFO;
+  	__u32 hwCBP;		/* Current Buffer Pointer */
+  	__u32 hwNextTD;		/* Next TD Pointer */
+  	__u32 hwBE;		/* Memory Buffer End Pointer */
+
+  	__u16 hwPSW[MAXPSW];
+  	__u8 unused;
+  	__u8 index;
+  	struct ed *ed;
+  	struct td *next_dl_td;
+	struct usb_device *usb_dev;
+	int transfer_len;
+	__u32 data;
+
+	__u32 unused2[2];
+} __attribute((aligned(32)));
+typedef struct td td_t;
+
+#define OHCI_ED_SKIP	(1 << 14)
+
+/*
+ * The HCCA (Host Controller Communications Area) is a 256 byte
+ * structure defined in the OHCI spec. that the host controller is
+ * told the base address of.  It must be 256-byte aligned.
+ */
+
+#define NUM_INTS 32	/* part of the OHCI standard */
+struct ohci_hcca {
+	__u32	int_table[NUM_INTS];	/* Interrupt ED table */
+	__u16	frame_no;		/* current frame number */
+	__u16	pad1;			/* set to 0 on each frame_no change */
+	__u32	done_head;		/* info returned for an interrupt */
+	u8		reserved_for_hc[116];
+} __attribute((aligned(256)));
+
+
+/*
+ * Maximum number of root hub ports.
+ */
+#define MAX_ROOT_PORTS	15	/* maximum OHCI root hub ports */
+
+/*
+ * This is the structure of the OHCI controller's memory mapped I/O
+ * region.  This is Memory Mapped I/O.  You must use the readl() and
+ * writel() macros defined in asm/io.h to access these!!
+ */
+struct ohci_regs {
+	/* control and status registers */
+	__u32	revision;
+	__u32	control;
+	__u32	cmdstatus;
+	__u32	intrstatus;
+	__u32	intrenable;
+	__u32	intrdisable;
+	/* memory pointers */
+	__u32	hcca;
+	__u32	ed_periodcurrent;
+	__u32	ed_controlhead;
+	__u32	ed_controlcurrent;
+	__u32	ed_bulkhead;
+	__u32	ed_bulkcurrent;
+	__u32	donehead;
+	/* frame counters */
+	__u32	fminterval;
+	__u32	fmremaining;
+	__u32	fmnumber;
+	__u32	periodicstart;
+	__u32	lsthresh;
+	/* Root hub ports */
+	struct	ohci_roothub_regs {
+		__u32	a;
+		__u32	b;
+		__u32	status;
+		__u32	portstatus[MAX_ROOT_PORTS];
+	} roothub;
+} __attribute((aligned(32)));
+
+
+/* OHCI CONTROL AND STATUS REGISTER MASKS */
+
+/*
+ * HcControl (control) register masks
+ */
+#define OHCI_CTRL_CBSR	(3 << 0)	/* control/bulk service ratio */
+#define OHCI_CTRL_PLE	(1 << 2)	/* periodic list enable */
+#define OHCI_CTRL_IE	(1 << 3)	/* isochronous enable */
+#define OHCI_CTRL_CLE	(1 << 4)	/* control list enable */
+#define OHCI_CTRL_BLE	(1 << 5)	/* bulk list enable */
+#define OHCI_CTRL_HCFS	(3 << 6)	/* host controller functional state */
+#define OHCI_CTRL_IR	(1 << 8)	/* interrupt routing */
+#define OHCI_CTRL_RWC	(1 << 9)	/* remote wakeup connected */
+#define OHCI_CTRL_RWE	(1 << 10)	/* remote wakeup enable */
+
+/* pre-shifted values for HCFS */
+#	define OHCI_USB_RESET	(0 << 6)
+#	define OHCI_USB_RESUME	(1 << 6)
+#	define OHCI_USB_OPER	(2 << 6)
+#	define OHCI_USB_SUSPEND	(3 << 6)
+
+/*
+ * HcCommandStatus (cmdstatus) register masks
+ */
+#define OHCI_HCR	(1 << 0)	/* host controller reset */
+#define OHCI_CLF  	(1 << 1)	/* control list filled */
+#define OHCI_BLF  	(1 << 2)	/* bulk list filled */
+#define OHCI_OCR  	(1 << 3)	/* ownership change request */
+#define OHCI_SOC  	(3 << 16)	/* scheduling overrun count */
+
+/*
+ * masks used with interrupt registers:
+ * HcInterruptStatus (intrstatus)
+ * HcInterruptEnable (intrenable)
+ * HcInterruptDisable (intrdisable)
+ */
+#define OHCI_INTR_SO	(1 << 0)	/* scheduling overrun */
+#define OHCI_INTR_WDH	(1 << 1)	/* writeback of done_head */
+#define OHCI_INTR_SF	(1 << 2)	/* start frame */
+#define OHCI_INTR_RD	(1 << 3)	/* resume detect */
+#define OHCI_INTR_UE	(1 << 4)	/* unrecoverable error */
+#define OHCI_INTR_FNO	(1 << 5)	/* frame number overflow */
+#define OHCI_INTR_RHSC	(1 << 6)	/* root hub status change */
+#define OHCI_INTR_OC	(1 << 30)	/* ownership change */
+#define OHCI_INTR_MIE	(1 << 31)	/* master interrupt enable */
+
+
+/* Virtual Root HUB */
+struct virt_root_hub {
+	int devnum; /* Address of Root Hub endpoint */
+	void *dev;  /* was urb */
+	void *int_addr;
+	int send;
+	int interval;
+};
+
+/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
+
+/* destination of request */
+#define RH_INTERFACE               0x01
+#define RH_ENDPOINT                0x02
+#define RH_OTHER                   0x03
+
+#define RH_CLASS                   0x20
+#define RH_VENDOR                  0x40
+
+/* Requests: bRequest << 8 | bmRequestType */
+#define RH_GET_STATUS           0x0080
+#define RH_CLEAR_FEATURE        0x0100
+#define RH_SET_FEATURE          0x0300
+#define RH_SET_ADDRESS		0x0500
+#define RH_GET_DESCRIPTOR	0x0680
+#define RH_SET_DESCRIPTOR       0x0700
+#define RH_GET_CONFIGURATION	0x0880
+#define RH_SET_CONFIGURATION	0x0900
+#define RH_GET_STATE            0x0280
+#define RH_GET_INTERFACE        0x0A80
+#define RH_SET_INTERFACE        0x0B00
+#define RH_SYNC_FRAME           0x0C80
+/* Our Vendor Specific Request */
+#define RH_SET_EP               0x2000
+
+
+/* Hub port features */
+#define RH_PORT_CONNECTION         0x00
+#define RH_PORT_ENABLE             0x01
+#define RH_PORT_SUSPEND            0x02
+#define RH_PORT_OVER_CURRENT       0x03
+#define RH_PORT_RESET              0x04
+#define RH_PORT_POWER              0x08
+#define RH_PORT_LOW_SPEED          0x09
+
+#define RH_C_PORT_CONNECTION       0x10
+#define RH_C_PORT_ENABLE           0x11
+#define RH_C_PORT_SUSPEND          0x12
+#define RH_C_PORT_OVER_CURRENT     0x13
+#define RH_C_PORT_RESET            0x14
+
+/* Hub features */
+#define RH_C_HUB_LOCAL_POWER       0x00
+#define RH_C_HUB_OVER_CURRENT      0x01
+
+#define RH_DEVICE_REMOTE_WAKEUP    0x00
+#define RH_ENDPOINT_STALL          0x01
+
+#define RH_ACK                     0x01
+#define RH_REQ_ERR                 -1
+#define RH_NACK                    0x00
+
+
+/* OHCI ROOT HUB REGISTER MASKS */
+
+/* roothub.portstatus [i] bits */
+#define RH_PS_CCS            0x00000001   	/* current connect status */
+#define RH_PS_PES            0x00000002   	/* port enable status*/
+#define RH_PS_PSS            0x00000004   	/* port suspend status */
+#define RH_PS_POCI           0x00000008   	/* port over current indicator */
+#define RH_PS_PRS            0x00000010  	/* port reset status */
+#define RH_PS_PPS            0x00000100   	/* port power status */
+#define RH_PS_LSDA           0x00000200    	/* low speed device attached */
+#define RH_PS_CSC            0x00010000 	/* connect status change */
+#define RH_PS_PESC           0x00020000   	/* port enable status change */
+#define RH_PS_PSSC           0x00040000    	/* port suspend status change */
+#define RH_PS_OCIC           0x00080000    	/* over current indicator change */
+#define RH_PS_PRSC           0x00100000   	/* port reset status change */
+
+/* roothub.status bits */
+#define RH_HS_LPS	     0x00000001		/* local power status */
+#define RH_HS_OCI	     0x00000002		/* over current indicator */
+#define RH_HS_DRWE	     0x00008000		/* device remote wakeup enable */
+#define RH_HS_LPSC	     0x00010000		/* local power status change */
+#define RH_HS_OCIC	     0x00020000		/* over current indicator change */
+#define RH_HS_CRWE	     0x80000000		/* clear remote wakeup enable */
+
+/* roothub.b masks */
+#define RH_B_DR		0x0000ffff		/* device removable flags */
+#define RH_B_PPCM	0xffff0000		/* port power control mask */
+
+/* roothub.a masks */
+#define	RH_A_NDP	(0xff << 0)		/* number of downstream ports */
+#define	RH_A_PSM	(1 << 8)		/* power switching mode */
+#define	RH_A_NPS	(1 << 9)		/* no power switching */
+#define	RH_A_DT		(1 << 10)		/* device type (mbz) */
+#define	RH_A_OCPM	(1 << 11)		/* over current protection mode */
+#define	RH_A_NOCP	(1 << 12)		/* no over current protection */
+#define	RH_A_POTPGT	(0xff << 24)		/* power on to power good time */
+
+/* urb */
+#define N_URB_TD 48
+typedef struct
+{
+	ed_t *ed;
+	__u16 length;	/* number of tds associated with this request */
+	__u16 td_cnt;	/* number of tds already serviced */
+	int   state;
+	unsigned long pipe;
+	int actual_length;
+	td_t *td[N_URB_TD];	/* list pointer to all corresponding TDs associated with this request */
+} urb_priv_t;
+#define URB_DEL 1
+
+/*
+ * This is the full ohci controller description
+ *
+ * Note how the "proper" USB information is just
+ * a subset of what the full implementation needs. (Linus)
+ */
+
+
+typedef struct ohci {
+	struct ohci_hcca *hcca;		/* hcca */
+	/*dma_addr_t hcca_dma;*/
+
+	int irq;
+	int disabled;			/* e.g. got a UE, we're hung */
+	int sleeping;
+	unsigned long flags;		/* for HC bugs */
+
+	struct ohci_regs *regs;	/* OHCI controller's memory */
+
+	ed_t *ed_rm_list[2];     /* lists of all endpoints to be removed */
+	ed_t *ed_bulktail;       /* last endpoint of bulk list */
+	ed_t *ed_controltail;    /* last endpoint of control list */
+	int intrstatus;
+	__u32 hc_control;		/* copy of the hc control reg */
+	struct usb_device *dev[32];
+	struct virt_root_hub rh;
+
+	const char	*slot_name;
+} ohci_t;
+
+#define NUM_EDS 8		/* num of preallocated endpoint descriptors */
+
+struct ohci_device {
+	ed_t 	ed[NUM_EDS];
+	int ed_cnt;
+};
+
+/* hcd */
+/* endpoint */
+static int ep_link(ohci_t * ohci, ed_t * ed);
+static int ep_unlink(ohci_t * ohci, ed_t * ed);
+static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe);
+
+/*-------------------------------------------------------------------------*/
+
+/* we need more TDs than EDs */
+#define NUM_TD 64
+
+/* +1 so we can align the storage */
+td_t gtd[NUM_TD+1];
+/* pointers to aligned storage */
+td_t *ptd;
+
+/* TDs ... */
+static inline struct td *
+td_alloc (struct usb_device *usb_dev)
+{
+	int i;
+	struct td	*td;
+
+	td = NULL;
+	for (i = 0; i < NUM_TD; i++) {
+		if (ptd[i].usb_dev == NULL) {
+			td = &ptd[i];
+			td->usb_dev = usb_dev;
+			break;
+		}
+	}
+	return td;
+}
+
+static inline void
+ed_free (struct ed *ed)
+{
+	ed->usb_dev = NULL;
+}
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/cache.S b/package/uboot-ifxmips/files/cpu/mips/danube/cache.S
new file mode 100644
index 000000000..9a3978447
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/cache.S
@@ -0,0 +1,278 @@
+/*
+ *  Cache-handling routined for MIPS 4K CPUs
+ *
+ *  Copyright (c) 2003	Wolfgang Denk <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <config.h>
+#include <version.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+#include <asm/cacheops.h>
+#if defined(CONFIG_IFX_MIPS)
+#	include "ifx_cache.S"
+#endif
+
+	/* 16KB is the maximum size of instruction and data caches on
+	 * MIPS 4K.
+	 */
+#define MIPS_MAX_CACHE_SIZE	0x4000
+
+
+/*
+ * cacheop macro to automate cache operations
+ * first some helpers...
+ */
+#define _mincache(size, maxsize) \
+   bltu  size,maxsize,9f ; \
+   move  size,maxsize ;    \
+9:
+
+#define _align(minaddr, maxaddr, linesize) \
+   .set noat ; \
+   subu  AT,linesize,1 ;   \
+   not   AT ;        \
+   and   minaddr,AT ;      \
+   addu  maxaddr,-1 ;      \
+   and   maxaddr,AT ;      \
+   .set at
+
+/* general operations */
+#define doop1(op1) \
+   cache op1,0(a0)
+#define doop2(op1, op2) \
+   cache op1,0(a0) ;    \
+   nop ;          \
+   cache op2,0(a0)
+
+/* specials for cache initialisation */
+#define doop1lw(op1) \
+   lw zero,0(a0)
+#define doop1lw1(op1) \
+   cache op1,0(a0) ;    \
+   lw zero,0(a0) ;      \
+   cache op1,0(a0)
+#define doop121(op1,op2) \
+   cache op1,0(a0) ;    \
+   nop;           \
+   cache op2,0(a0) ;    \
+   nop;           \
+   cache op1,0(a0)
+
+#define _oploopn(minaddr, maxaddr, linesize, tag, ops) \
+   .set  noreorder ;    \
+10:   doop##tag##ops ;  \
+   bne     minaddr,maxaddr,10b ; \
+   add      minaddr,linesize ;   \
+   .set  reorder
+
+/* finally the cache operation macros */
+#define vcacheopn(kva, n, cacheSize, cacheLineSize, tag, ops) \
+   blez  n,11f ;        \
+   addu  n,kva ;        \
+   _align(kva, n, cacheLineSize) ; \
+   _oploopn(kva, n, cacheLineSize, tag, ops) ; \
+11:
+
+#define icacheopn(kva, n, cacheSize, cacheLineSize, tag, ops) \
+   _mincache(n, cacheSize);   \
+   blez  n,11f ;        \
+   addu  n,kva ;        \
+   _align(kva, n, cacheLineSize) ; \
+   _oploopn(kva, n, cacheLineSize, tag, ops) ; \
+11:
+
+#define vcacheop(kva, n, cacheSize, cacheLineSize, op) \
+   vcacheopn(kva, n, cacheSize, cacheLineSize, 1, (op))
+
+#define icacheop(kva, n, cacheSize, cacheLineSize, op) \
+   icacheopn(kva, n, cacheSize, cacheLineSize, 1, (op))
+
+/*******************************************************************************
+*
+* mips_cache_reset - low level initialisation of the primary caches
+*
+* This routine initialises the primary caches to ensure that they
+* have good parity.  It must be called by the ROM before any cached locations
+* are used to prevent the possibility of data with bad parity being written to
+* memory.
+* To initialise the instruction cache it is essential that a source of data
+* with good parity is available. This routine
+* will initialise an area of memory starting at location zero to be used as
+* a source of parity.
+*
+* RETURNS: N/A
+*
+*/
+	.globl	mips_cache_reset
+	.ent	mips_cache_reset
+mips_cache_reset:
+
+	li	t2, CFG_ICACHE_SIZE
+	li	t3, CFG_DCACHE_SIZE
+	li	t4, CFG_CACHELINE_SIZE
+	move	t5, t4
+
+
+	li	v0, MIPS_MAX_CACHE_SIZE
+
+	/* Now clear that much memory starting from zero.
+	 */
+
+	li	a0, KSEG1
+	addu	a1, a0, v0
+
+2:	sw	zero, 0(a0)
+	sw	zero, 4(a0)
+	sw	zero, 8(a0)
+	sw	zero, 12(a0)
+	sw	zero, 16(a0)
+	sw	zero, 20(a0)
+	sw	zero, 24(a0)
+	sw	zero, 28(a0)
+	addu	a0, 32
+	bltu	a0, a1, 2b
+
+	/* Set invalid tag.
+	 */
+
+	mtc0	zero, CP0_TAGLO
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_CACHE_EXTRA_INVALID_TAG)
+	IFX_CACHE_EXTRA_INVALID_TAG
+#endif
+
+   /*
+    * The caches are probably in an indeterminate state,
+    * so we force good parity into them by doing an
+    * invalidate, load/fill, invalidate for each line.
+    */
+
+	/* Assume bottom of RAM will generate good parity for the cache.
+	 */
+
+	li	a0, K0BASE
+	move	a2, t2		# icacheSize
+	move	a3, t4		# icacheLineSize
+	move	a1, a2
+	icacheopn(a0,a1,a2,a3,121,(Index_Store_Tag_I,Fill))
+
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_CACHE_EXTRA_OPERATION)
+	IFX_CACHE_EXTRA_OPERATION
+#else
+	/* To support Orion/R4600, we initialise the data cache in 3 passes.
+	 */
+
+	/* 1: initialise dcache tags.
+	 */
+
+	li	a0, K0BASE
+	move	a2, t3		# dcacheSize
+	move	a3, t5		# dcacheLineSize
+	move	a1, a2
+	icacheop(a0,a1,a2,a3,Index_Store_Tag_D)
+
+	/* 2: fill dcache.
+	 */
+
+	li	a0, K0BASE
+	move	a2, t3		# dcacheSize
+	move	a3, t5		# dcacheLineSize
+	move	a1, a2
+	icacheopn(a0,a1,a2,a3,1lw,(dummy))
+
+	/* 3: clear dcache tags.
+	 */
+
+	li	a0, K0BASE
+	move	a2, t3		# dcacheSize
+	move	a3, t5		# dcacheLineSize
+	move	a1, a2
+	icacheop(a0,a1,a2,a3,Index_Store_Tag_D)
+#endif
+
+	j  ra
+	.end  mips_cache_reset
+
+
+/*******************************************************************************
+*
+* dcache_status - get cache status
+*
+* RETURNS: 0 - cache disabled; 1 - cache enabled
+*
+*/
+	.globl	dcache_status
+	.ent	dcache_status
+dcache_status:
+
+	mfc0	v0, CP0_CONFIG
+	andi	v0, v0, 1
+	j	ra
+
+	.end  dcache_status
+
+/*******************************************************************************
+*
+* dcache_disable - disable cache
+*
+* RETURNS: N/A
+*
+*/
+	.globl	dcache_disable
+	.ent	dcache_disable
+dcache_disable:
+
+	mfc0	t0, CP0_CONFIG
+	li	t1, -8
+	and	t0, t0, t1
+	ori	t0, t0, CONF_CM_UNCACHED
+	mtc0    t0, CP0_CONFIG
+	j	ra
+
+	.end  dcache_disable
+
+
+/*******************************************************************************
+*
+* mips_cache_lock - lock RAM area pointed to by a0 in cache.
+*
+* RETURNS: N/A
+*
+*/
+#if defined(CONFIG_PURPLE)
+# define	CACHE_LOCK_SIZE	(CFG_DCACHE_SIZE/2)
+#else
+# define	CACHE_LOCK_SIZE	(CFG_DCACHE_SIZE)
+#endif
+	.globl	mips_cache_lock
+	.ent	mips_cache_lock
+mips_cache_lock:
+	li	a1, K0BASE - CACHE_LOCK_SIZE
+	addu	a0, a1
+	li	a2, CACHE_LOCK_SIZE
+	li	a3, CFG_CACHELINE_SIZE
+	move	a1, a2
+	icacheop(a0,a1,a2,a3,0x1d)
+
+	j	ra
+	.end	mips_cache_lock
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/config.mk b/package/uboot-ifxmips/files/cpu/mips/danube/config.mk
new file mode 100644
index 000000000..3414ad8a7
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/config.mk
@@ -0,0 +1,53 @@
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+v=$(shell \
+$(CROSS_COMPILE)as --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}')
+
+ifndef PLATFORM_CPU
+PLATFORM_CPU = mips32r2
+endif
+
+MIPSFLAGS=$(shell \
+if [ "$v" -lt "14" ]; then \
+	echo "-mcpu=$(PLATFORM_CPU)"; \
+else \
+	echo "-march=$(PLATFORM_CPU) -mtune=$(PLATFORM_CPU)"; \
+fi)
+
+ifeq ($(CROSS_COMPILE_UCLIBC),1)
+ifneq (,$(findstring mipsel,$(CROSS_COMIPLE)))
+ENDIANNESS = -el
+else
+ENDIANNESS = -eb
+endif
+else
+ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
+ENDIANNESS = -EL
+else
+ENDIANNESS = -EB
+endif
+endif
+
+MIPSFLAGS += $(ENDIANNESS) -mabicalls
+
+PLATFORM_CPPFLAGS += $(MIPSFLAGS)
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/cpu.c b/package/uboot-ifxmips/files/cpu/mips/danube/cpu.c
new file mode 100644
index 000000000..b9f90ce0c
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/cpu.c
@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#if defined(CONFIG_INCA_IP)
+#	include <asm/inca-ip.h>
+#elif defined(CONFIG_IFX_MIPS)
+#	include <asm/danube.h>
+#	include "ifx_cpu.c"
+#endif
+#include <asm/mipsregs.h>
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+#if defined(CONFIG_INCA_IP)
+	*INCA_IP_WDT_RST_REQ = 0x3f;
+#elif defined(CONFIG_PURPLE) || defined(CONFIG_TB0229)
+	void (*f)(void) = (void *) 0xbfc00000;
+
+	f();
+#elif defined(CONFIG_IFX_MIPS)
+	IFX_CPU_RESET;
+#endif
+	fprintf(stderr, "*** reset failed ***\n");
+	return 0;
+}
+
+void flush_cache (ulong start_addr, ulong size)
+{
+
+}
+
+void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 ){
+	write_32bit_cp0_register(CP0_ENTRYLO0, low0);
+	write_32bit_cp0_register(CP0_PAGEMASK, pagemask);
+	write_32bit_cp0_register(CP0_ENTRYLO1, low1);
+	write_32bit_cp0_register(CP0_ENTRYHI, hi);
+	write_32bit_cp0_register(CP0_INDEX, index);
+	tlb_write_indexed();
+}
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_asc.c b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_asc.c
new file mode 100644
index 000000000..52c6cb271
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_asc.c
@@ -0,0 +1,257 @@
+/*****************************************************************************
+ * DANUBE BootROM
+ * Copyright (c) 2005, Infineon Technologies AG, All rights reserved
+ * IFAP DC COM SD
+ *****************************************************************************/
+
+#include <config.h>
+//#include <lib.h>
+#include <asm/danube.h>
+#include <asm/addrspace.h>
+#include <asm/ifx_asc.h>
+
+
+#define ASC_FIFO_PRESENT
+#define SET_BIT(reg, mask)                  reg |= (mask)
+#define CLEAR_BIT(reg, mask)                reg &= (~mask)
+#define CLEAR_BITS(reg, mask)               CLEAR_BIT(reg, mask)
+#define SET_BITS(reg, mask)                 SET_BIT(reg, mask)
+#define SET_BITFIELD(reg, mask, off, val)   {reg &= (~mask); reg |= (val << off);}
+
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+typedef signed   long s32;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+typedef volatile unsigned short vuint;
+
+
+
+void serial_setbrg (void);
+
+/*TODO: undefine this !!!*/
+#undef DEBUG_ASC_RAW
+#ifdef DEBUG_ASC_RAW
+#define DEBUG_ASC_RAW_RX_BUF		0xA0800000
+#define DEBUG_ASC_RAW_TX_BUF		0xA0900000
+#endif
+
+static volatile DanubeAsc_t *pAsc = (DanubeAsc_t *)DANUBE_ASC1;
+
+typedef struct{
+  u16 fdv; /* 0~511 fractional divider value*/
+  u16 reload; /* 13 bit reload value*/
+} ifx_asc_baud_reg_t;
+
+#ifdef ON_VENUS
+/*9600 @1.25M rel 00.08*/
+//#define FDV 503
+//#define RELOAD 7
+/*9600 @0.625M rel final00.01 & rtl_freeze*/
+#define FDV 503
+#define RELOAD 3
+/* first index is DDR_SEL, second index is FPI_SEL */
+#endif
+static ifx_asc_baud_reg_t g_danube_asc_baud[4][2] = 
+{
+#ifdef ON_VENUS
+     {{503,3},{503,3}},   /* 1152000 @ 166.67M and half*/
+      {{503,3},{503,3}},   /* 1152000 @ 133.3M  and half*/
+      {{503,3},{503,3}},   /* 1152000 @ 111.11M and half*/
+      {{503.3},{503,3}}    /* 1152000 @ 83.33M  and half*/
+#else
+/*  TAPEOUT table */
+     {{436,76},{419,36}},   /* 1152000 @ 166.67M and half*/
+      {{453,63},{453,31}},   /* 1152000 @ 133.3M  and half*/
+      {{501,58},{510,29}},   /* 1152000 @ 111.11M and half*/
+      {{419.36},{453,19}}    /* 1152000 @ 83.33M  and half*/
+#endif
+};
+/******************************************************************************
+*
+* asc_init - initialize a Danube ASC channel
+*
+* This routine initializes the number of data bits, parity
+* and set the selected baud rate. Interrupts are disabled.
+* Set the modem control signals if the option is selected.
+*
+* RETURNS: N/A
+*/
+
+int serial_init (void)
+{
+
+	/* and we have to set CLC register*/
+	CLEAR_BIT(pAsc->asc_clc, ASCCLC_DISS);
+	SET_BITFIELD(pAsc->asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001);
+
+	/* initialy we are in async mode */
+	pAsc->asc_con = ASCCON_M_8ASYNC;
+
+	/* select input port */
+	pAsc->asc_pisel = (CONSOLE_TTY & 0x1);
+
+	/* TXFIFO's filling level */
+	SET_BITFIELD(pAsc->asc_txfcon, ASCTXFCON_TXFITLMASK,
+			ASCTXFCON_TXFITLOFF, DANUBEASC_TXFIFO_FL);
+	/* enable TXFIFO */
+	SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXFEN);
+
+	/* RXFIFO's filling level */
+	SET_BITFIELD(pAsc->asc_txfcon, ASCRXFCON_RXFITLMASK,
+			ASCRXFCON_RXFITLOFF, DANUBEASC_RXFIFO_FL);
+	/* enable RXFIFO */
+	SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXFEN);
+
+	/* set baud rate */
+	serial_setbrg();
+
+	/* enable error signals &  Receiver enable  */
+	SET_BIT(pAsc->asc_whbstate, ASCWHBSTATE_SETREN|ASCCON_FEN|ASCCON_TOEN|ASCCON_ROEN);
+
+	return 0;
+}
+
+void serial_setbrg (void)
+{
+	u32 uiReloadValue, fdv;
+
+#if defined(ON_IKOS)
+	/*1200 @77K */
+	fdv=472;
+	uiReloadValue=5;
+#else
+	/*venus & tapeout */
+  u32 ddr_sel,fpi_sel;
+  ddr_sel = (* DANUBE_CGU_SYS) & 0x3;
+  fpi_sel = ((* DANUBE_CGU_SYS) & 0x40)?1:0;
+	fdv= g_danube_asc_baud[ddr_sel][fpi_sel].fdv;
+	uiReloadValue=g_danube_asc_baud[ddr_sel][fpi_sel].reload;
+#endif	//ON_IKOS
+	/* Disable Baud Rate Generator; BG should only be written when R=0 */
+	CLEAR_BIT(pAsc->asc_con, ASCCON_R);
+
+	/* Enable Fractional Divider */
+	SET_BIT(pAsc->asc_con, ASCCON_FDE); /* FDE = 1 */
+
+	/* Set fractional divider value */
+	pAsc->asc_fdv = fdv & ASCFDV_VALUE_MASK;
+
+	/* Set reload value in BG */
+	pAsc->asc_bg = uiReloadValue;
+
+	/* Enable Baud Rate Generator */
+	SET_BIT(pAsc->asc_con, ASCCON_R);           /* R = 1 */
+}
+
+
+void serial_putc (const char c)
+{
+	u32 txFl = 0;
+#ifdef DEBUG_ASC_RAW
+	static u8 * debug = (u8 *) DEBUG_ASC_RAW_TX_BUF;
+	*debug++=c;
+#endif
+	if (c == '\n')
+		serial_putc ('\r');
+	/* check do we have a free space in the TX FIFO */
+	/* get current filling level */
+	do
+	{
+		txFl = ( pAsc->asc_fstat & ASCFSTAT_TXFFLMASK ) >> ASCFSTAT_TXFFLOFF;
+	}
+	while ( txFl == DANUBEASC_TXFIFO_FULL );
+
+	pAsc->asc_tbuf = c; /* write char to Transmit Buffer Register */
+
+	/* check for errors */
+	if ( pAsc->asc_state & ASCSTATE_TOE )
+	{
+		SET_BIT(pAsc->asc_whbstate, ASCWHBSTATE_CLRTOE);
+		return;
+	}
+}
+
+void serial_puts (const char *s)
+{
+	while (*s)
+	{
+		serial_putc (*s++);
+	}
+}
+
+int asc_inb(int timeout)
+{
+	u32 symbol_mask;
+	char c;
+	while ((pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 ) {
+	}
+	symbol_mask = ((ASC_OPTIONS & ASCOPT_CSIZE) == ASCOPT_CS7) ? (0x7f) : (0xff);
+	c = (char)(pAsc->asc_rbuf & symbol_mask);
+	return (c);
+}
+
+int serial_getc (void)
+{
+	char c;
+	while ((pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 );
+	c = (char)(pAsc->asc_rbuf & 0xff);
+
+#ifdef 	DEBUG_ASC_RAW
+	static u8* debug=(u8*)(DEBUG_ASC_RAW_RX_BUF);
+	*debug++=c;
+#endif
+	return c;
+}
+
+
+
+int serial_tstc (void)
+{
+         int res = 1;
+
+#ifdef ASC_FIFO_PRESENT
+    if ( (pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 )
+    {
+        res = 0;
+    }
+#else
+    if (!(*(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) &
+			    					FBS_ISR_AR))
+    
+    {
+        res = 0;
+    }
+#endif
+#if 0
+    else if ( pAsc->asc_con & ASCCON_FE )
+    {
+        SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRFE);
+        res = 0;
+    }
+    else if ( pAsc->asc_con & ASCCON_PE )
+    {
+        SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRPE);
+        res = 0;
+    }
+    else if ( pAsc->asc_con & ASCCON_OE )
+    {
+        SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
+        res = 0;
+    }
+#endif
+  return res;
+}
+
+
+int serial_start(void)
+{
+   return 1;
+}
+
+int serial_stop(void)
+{
+   return 1;
+}
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cache.S b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cache.S
new file mode 100644
index 000000000..fc482dcd6
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cache.S
@@ -0,0 +1,60 @@
+
+#define IFX_CACHE_EXTRA_INVALID_TAG						\
+	mtc0	zero, CP0_TAGLO, 1;						\
+	mtc0	zero, CP0_TAGLO, 2;						\
+	mtc0	zero, CP0_TAGLO, 3;						\
+	mtc0	zero, CP0_TAGLO, 4;
+
+#define IFX_CACHE_EXTRA_OPERATION						\
+	/* set WST bit */							\
+	mfc0	a0, CP0_ECC;							\
+	li	a1, ECCF_WST;							\
+	or	a0, a1;								\
+	mtc0	a0, CP0_ECC;							\
+										\
+	li	a0, K0BASE;							\
+	move	a2, t2;		/* icacheSize */				\
+	move	a3, t4;		/* icacheLineSize */				\
+	move	a1, a2;								\
+	icacheop(a0,a1,a2,a3,(Index_Store_Tag_I));				\
+										\
+	/* clear WST bit */							\
+	mfc0	a0, CP0_ECC;							\
+	li	a1, ~ECCF_WST;							\
+	and	a0, a1;								\
+	mtc0	a0, CP0_ECC;							\
+										\
+	/* 1: initialise dcache tags. */					\
+										\
+	/* cache line size */							\
+	li	a2, CFG_CACHELINE_SIZE;						\
+	/* kseg0 mem address */							\
+	li	a1, 0;								\
+	li	a3, CFG_CACHE_SETS * CFG_CACHE_WAYS;				\
+1:										\
+	/* store tag (invalid, not locked) */					\
+	cache 0x8, 0(a1);							\
+	cache 0x9, 0(a1);							\
+										\
+	add	a3, -1;								\
+	bne	a3, zero, 1b;							\
+	add	a1, a2;								\
+										\
+	/* set WST bit */							\
+	mfc0	a0, CP0_ECC;							\
+	li	a1, ECCF_WST;							\
+	or	a0, a1;								\
+	mtc0	a0, CP0_ECC;							\
+										\
+	li	a0, K0BASE;							\
+	move	a2, t3;		/* dcacheSize */				\
+	move	a3, t5;		/* dcacheLineSize */				\
+	move	a1, a2;								\
+	icacheop(a0,a1,a2,a3,(Index_Store_Tag_D));				\
+										\
+	/* clear WST bit */							\
+	mfc0	a0, CP0_ECC;							\
+	li	a1, ~ECCF_WST;							\
+	and	a0, a1;								\
+	mtc0	a0, CP0_ECC;
+
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.c b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.c
new file mode 100644
index 000000000..3fe13dde2
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.c
@@ -0,0 +1,1086 @@
+/*

+ * ########################################################################

+ *

+ *  This program is free software; you can distribute it and/or modify it

+ *  under the terms of the GNU General Public License (Version 2) as

+ *  published by the Free Software Foundation.

+ *

+ *  This program is distributed in the hope it will be useful, but WITHOUT

+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

+ *  for more details.

+ *

+ *  You should have received a copy of the GNU General Public License along

+ *  with this program; if not, write to the Free Software Foundation, Inc.,

+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.

+ *

+ * ########################################################################

+ *

+ * danube_cgu.c

+ *

+ *  Description:

+ *    device driver of clock generation unit of Danube chip

+ *  Author:

+ *    Samuels Xu Liang

+ *  Created:

+ *    19 Jul 2005

+ *  History & Modification Tag:

+ *  ___________________________________________________________________________

+ *  |  Tag   |                  Comments                   | Modifier & Time  |

+ *  |--------+---------------------------------------------+------------------|

+ *  |  S0.0  | First version of this driver and the tag is | Samuels Xu Liang |

+ *  |        | implied.                                    |   19 Jul 2005    |

+ *  ---------------------------------------------------------------------------

+ *

+ */

+

+

+/*

+ * ####################################

+ *              Head File

+ * ####################################

+ */

+

+/*

+ *  Common Head File

+ */

+#include <linux/config.h>

+#include <linux/kernel.h>

+#include <linux/module.h>

+#include <linux/version.h>

+#include <linux/types.h>

+#include <linux/fs.h>

+#include <linux/miscdevice.h>

+#include <linux/init.h>

+#include <asm/uaccess.h>

+#include <asm/unistd.h>

+#include <asm/irq.h>

+#include <linux/errno.h>

+

+/*

+ *  Chip Specific Head File

+ */

+#include "ifx_cgu.h"

+

+

+/*

+ * ####################################

+ *              Definition

+ * ####################################

+ */

+

+#define DEBUG_ON_AMAZON                 1

+#define DEBUG_PRINT_INFO                1

+

+/*

+ *  Frequency of Clock Direct Feed from The Analog Line Driver Chip

+ */

+#define BASIC_INPUT_CLOCK_FREQUENCY     35328000

+

+/*

+ *  Bits Operation

+ */

+#define GET_BITS(x, msb, lsb)           (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))

+#define SET_BITS(x, msb, lsb, value)    (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))

+

+/*

+ *  CGU Register Mapping

+ */

+#define DANUBE_CGU                      (KSEG1 + 0x1F103000)

+#define DANUBE_CGU_DIV                  ((volatile u32*)(DANUBE_CGU + 0x0000))

+#define DANUBE_CGU_PLL_NMK0             ((volatile u32*)(DANUBE_CGU + 0x0004))

+#define DANUBE_CGU_PLL_SR0              ((volatile u32*)(DANUBE_CGU + 0x0008))

+#define DANUBE_CGU_PLL_NMK1             ((volatile u32*)(DANUBE_CGU + 0x000C))

+#define DANUBE_CGU_PLL_SR1              ((volatile u32*)(DANUBE_CGU + 0x0010))

+#define DANUBE_CGU_PLL_SR2              ((volatile u32*)(DANUBE_CGU + 0x0014))

+#define DANUBE_CGU_IF_CLK               ((volatile u32*)(DANUBE_CGU + 0x0018))

+#define DANUBE_CGU_OSC_CTRL             ((volatile u32*)(DANUBE_CGU + 0x001C))

+#define DANUBE_CGU_SMD                  ((volatile u32*)(DANUBE_CGU + 0x0020))

+#define DANUBE_CGU_CRD                  ((volatile u32*)(DANUBE_CGU + 0x0024))

+#define DANUBE_CGU_CT1SR                ((volatile u32*)(DANUBE_CGU + 0x0028))

+#define DANUBE_CGU_CT2SR                ((volatile u32*)(DANUBE_CGU + 0x002C))

+#define DANUBE_CGU_PCMCR                ((volatile u32*)(DANUBE_CGU + 0x0030))

+#define DANUBE_CGU_MUX                  ((volatile u32*)(DANUBE_CGU + 0x0034))

+

+/*

+ *  CGU Divider Register

+ */

+#define CGU_DIV_SFTR                    (*DANUBE_CGU_DIV & (1 << 31))

+#define CGU_DIV_DIVE                    (*DANUBE_CGU_DIV & (1 << 16))

+#define CGU_DIV_IOR                     GET_BITS(*DANUBE_CGU_DIV, 5, 4)

+#define CGU_DIV_FKS                     GET_BITS(*DANUBE_CGU_DIV, 3, 2)

+#define CGU_DIV_FBS                     GET_BITS(*DANUBE_CGU_DIV, 1, 0)

+

+/*

+ *  CGU PLL0 NMK Register

+ */

+#define CGU_PLL_NMK0_PLLN               ((*DANUBE_CGU_PLL_NMK0 & (0xFFFFFFFF ^ ((1 << 24) - 1))) >> 24)

+#define CGU_PLL_NMK0_PLLM               GET_BITS(*DANUBE_CGU_PLL_NMK0, 23, 20)

+#define CGU_PLL_NMK0_PLLK               GET_BITS(*DANUBE_CGU_PLL_NMK0, 19, 0)

+

+/*

+ *  CGU PLL0 Status Register

+ */

+#define CGU_PLL_SR0_PLLDIV              ((*DANUBE_CGU_PLL_SR0 & (0xFFFFFFFF ^ ((1 << 28) - 1))) >> 28)

+#define CGU_PLL_SR0_PLLDEN              (*DANUBE_CGU_PLL_SR0 & (1 << 26))

+#define CGU_PLL_SR0_PLLPSE              GET_BITS(*DANUBE_CGU_PLL_SR0, 5, 4)

+#define CGU_PLL_SR0_PLLB                (*DANUBE_CGU_PLL_SR0 & (1 << 2))

+#define CGU_PLL_SR0_PLLL                (*DANUBE_CGU_PLL_SR0 & (1 << 1))

+#define CGU_PLL_SR0_PLLEN               (*DANUBE_CGU_PLL_SR0 & (1 << 0))

+

+#define CGU_PLL_SR0_DSMSEL              1

+#define CGU_PLL_SR0_PHASE_DIV_EN        1

+

+/*

+ *  CGU PLL1 NMK Register

+ */

+#define CGU_PLL_NMK1_PLLN               ((*DANUBE_CGU_PLL_NMK1 & (0xFFFFFFFF ^ ((1 << 24) - 1))) >> 24)

+#define CGU_PLL_NMK1_PLLM               GET_BITS(*DANUBE_CGU_PLL_NMK1, 23, 20)

+#define CGU_PLL_NMK1_PLLK               GET_BITS(*DANUBE_CGU_PLL_NMK1, 19, 0)

+

+/*

+ *  CGU PLL1 Status Register

+ */

+#define CGU_PLL_SR1_PLLDIV              ((*DANUBE_CGU_PLL_SR1 & (0xFFFFFFFF ^ ((1 << 28) - 1))) >> 28)

+#define CGU_PLL_SR1_PLLDEN              (*DANUBE_CGU_PLL_SR1 & (1 << 26))

+#define CGU_PLL_SR1_PLLPSE              GET_BITS(*DANUBE_CGU_PLL_SR1, 5, 4)

+#define CGU_PLL_SR1_PLLB                (*DANUBE_CGU_PLL_SR1 & (1 << 2))

+#define CGU_PLL_SR1_PLLL                (*DANUBE_CGU_PLL_SR1 & (1 << 1))

+#define CGU_PLL_SR1_PLLEN               (*DANUBE_CGU_PLL_SR1 & (1 << 0))

+

+#define CGU_PLL_SR1_DSMSEL              1

+#define CGU_PLL_SR1_PHASE_DIV_EN        1

+

+/*

+ *  CGU PLL2 Status Register

+ */

+#define CGU_PLL_SR2_PLLDIV              ((*DANUBE_CGU_PLL_SR2 & (0xFFFFFFFF ^ ((1 << 28) - 1))) >> 28)

+#define CGU_PLL_SR2_PLLDEN              (*DANUBE_CGU_PLL_SR2 & (1 << 27))

+#define CGU_PLL_SR2_PLLN                GET_BITS(*DANUBE_CGU_PLL_SR2, 25, 20)

+#define CGU_PLL_SR2_PLLM                GET_BITS(*DANUBE_CGU_PLL_SR2, 19, 16)

+#define CGU_PLL_SR2_PLLPS               (*DANUBE_CGU_PLL_SR2 & (1 << 5))

+#define CGU_PLL_SR2_PLLPE               (*DANUBE_CGU_PLL_SR2 & (1 << 4))

+#define CGU_PLL_SR2_PLLB                (*DANUBE_CGU_PLL_SR2 & (1 << 2))

+#define CGU_PLL_SR2_PLLL                (*DANUBE_CGU_PLL_SR2 & (1 << 1))

+#define CGU_PLL_SR2_PLLEN               (*DANUBE_CGU_PLL_SR2 & (1 << 0))

+

+/*

+ *  CGU Interface Clock Register

+ */

+#define CGU_IF_CLK_CLKOD0               GET_BITS(*DANUBE_CGU_IF_CLK, 27, 26)

+#define CGU_IF_CLK_CLKOD1               GET_BITS(*DANUBE_CGU_IF_CLK, 25, 24)

+#define CGU_IF_CLK_CLKOD2               GET_BITS(*DANUBE_CGU_IF_CLK, 23, 22)

+#define CGU_IF_CLK_CLKOD3               GET_BITS(*DANUBE_CGU_IF_CLK, 21, 20)

+#define CGU_IF_CLK_PDA                  (*DANUBE_CGU_IF_CLK & (1 << 18))

+#define CGU_IF_CLK_PCI_B                (*DANUBE_CGU_IF_CLK & (1 << 17))

+#define CGU_IF_CLK_PCIBM                (*DANUBE_CGU_IF_CLK & (1 << 16))

+#define CGU_IF_CLK_MIICS                (*DANUBE_CGU_IF_CLK & (1 << 3))

+#define CGU_IF_CLK_USBCS                (*DANUBE_CGU_IF_CLK & (1 << 2))

+#define CGU_IF_CLK_PCIF                 (*DANUBE_CGU_IF_CLK & (1 << 1))

+#define CGU_IF_CLK_PCIS                 (*DANUBE_CGU_IF_CLK & (1 << 0))

+

+/*

+ *  CGU Oscillator Control Register

+ */

+#define CGU_OSC_CTRL                    GET_BITS(*DANUBE_CGU_OSC_CTRL, 1, 0)

+

+/*

+ *  CGU SDRAM Memory Delay Register

+ */

+#define CGU_SMD_CLKI                    (*DANUBE_CGU_SMD & (1 << 31))

+#define CGU_SMD_MIDS                    GET_BITS(*DANUBE_CGU_SMD, 17, 12)

+#define CGU_SMD_MODS                    GET_BITS(*DANUBE_CGU_SMD, 11, 6)

+#define CGU_SMD_MDSEL                   GET_BITS(*DANUBE_CGU_SMD, 5, 0)

+

+/*

+ *  CGU CPU Clock Reduction Register

+ */

+#define CGU_CRD_SFTR                    (*DANUBE_CGU_CRD & (1 << 31))

+#define CGU_CRD_DIVE                    (*DANUBE_CGU_CRD & (1 << 16))

+#define CGU_CRD_CRD1                    GET_BITS(*DANUBE_CGU_CRD, 3, 2)

+#define CGU_CRD_CRD                     GET_BITS(*DANUBE_CGU_CRD, 1, 0)

+

+/*

+ *  CGU CT Status Register 1

+ */

+#define CGU_CT1SR_PDOUT                 GET_BITS(*DANUBE_CGU_CT1SR, 13, 0)

+

+/*

+ *  CGU CT Status Register 2

+ */

+#define CGU_CT2SR_PLL1K                 GET_BITS(*DANUBE_CGU_CT2SR, 9, 0)

+

+/*

+ *  CGU PCM Control Register

+ */

+#define CGU_PCMCR_DCL1                  GET_BITS(*DANUBE_CGU_PCMCR, 27, 25)

+#define CGU_PCMCR_MUXDCL                (*DANUBE_CGU_PCMCR & (1 << 22))

+#define CGU_PCMCR_MUXFSC                (*DANUBE_CGU_PCMCR & (1 << 18))

+#define CGU_PCMCR_PCM_SL                (*DANUBE_CGU_PCMCR & (1 << 13))

+#define CGU_PCMCR_DNTR                  (*DANUBE_CGU_PCMCR & (1 << 12))

+

+/*

+ *  CGU Clock Mux Register

+ */

+#define CGU_MUX_MII_CLK                 (*DANUBE_CGU_MUX & (1 << 6))

+#define CGU_MUX_SUB_SYS                 GET_BITS(*DANUBE_CGU_MUX, 5, 3)

+#define CGU_MUX_PP32                    GET_BITS(*DANUBE_CGU_MUX, 1, 0)

+

+

+/*

+ * ####################################

+ * Preparation of Debug on Amazon Chip

+ * ####################################

+ */

+

+/*

+ *  If try module on Amazon chip, prepare some tricks to prevent invalid memory write.

+ */

+#if defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON

+    u32 g_pFakeRegisters[0x0100];

+

+    #undef  DANUBE_CGU

+    #define DANUBE_CGU                  ((u32)g_pFakeRegisters)

+#endif  //  defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON

+

+

+/*

+ * ####################################

+ *              Data Type

+ * ####################################

+ */

+

+

+/*

+ * ####################################

+ *             Declaration

+ * ####################################

+ */

+

+/*

+ *  Pre-declaration of File Operations

+ */

+static ssize_t cgu_read(struct file *, char *, size_t, loff_t *);

+static ssize_t cgu_write(struct file *, const char *, size_t, loff_t *);

+static int cgu_ioctl(struct inode *, struct file *, unsigned int, unsigned long);

+static int cgu_open(struct inode *, struct file *);

+static int cgu_release(struct inode *, struct file *);

+

+/*

+ *  Pre-declaration of 64-bit Unsigned Integer Operation

+ */

+static inline void uint64_multiply(unsigned int, unsigned int, unsigned int *);

+static inline void uint64_divide(unsigned int *, unsigned int, unsigned int *, unsigned int *);

+

+/*

+ *  Calculate PLL Frequency

+ */

+static inline u32 cal_dsm(u32, u32);

+static inline u32 mash_dsm(u32, u32, u32);

+static inline u32 ssff_dsm_1(u32, u32, u32);

+static inline u32 ssff_dsm_2(u32, u32, u32);

+static inline u32 dsm(u32 M, u32, u32, int, int);

+static inline u32 cgu_get_pll0_fosc(void);

+static inline u32 cgu_get_pll0_fps(void);

+static inline u32 cgu_get_pll0_fdiv(void);

+static inline u32 cgu_get_pll1_fosc(void);

+static inline u32 cgu_get_pll1_fps(void);

+static inline u32 cgu_get_pll1_fdiv(void);

+static inline u32 cgu_get_pll2_fosc(void);

+static inline u32 cgu_get_pll2_fps(void);

+

+/*

+ *  Export Functions

+ */

+u32 cgu_get_mips_clock(int);

+u32 cgu_get_cpu_clock(void);

+u32 cgu_get_io_region_clock(void);

+u32 cgu_get_fpi_bus_clock(int);

+u32 cgu_get_pp32_clock(void);

+u32 cgu_get_pci_clock(void);

+u32 cgu_get_ethernet_clock(void);

+u32 cgu_get_usb_clock(void);

+u32 cgu_get_clockout(int);

+

+

+/*

+ * ####################################

+ *            Local Variable

+ * ####################################

+ */

+

+static struct file_operations cgu_fops = {

+    owner:      THIS_MODULE,

+    llseek:     no_llseek,

+    read:       cgu_read,

+    write:      cgu_write,

+    ioctl:      cgu_ioctl,

+    open:       cgu_open,

+    release:    cgu_release

+};

+

+static struct miscdevice cgu_miscdev = {

+    MISC_DYNAMIC_MINOR,

+    "danube_cgu_dev",

+    &cgu_fops

+};

+

+

+/*

+ * ####################################

+ *           Global Variable

+ * ####################################

+ */

+

+

+/*

+ * ####################################

+ *            Local Function

+ * ####################################

+ */

+

+static ssize_t cgu_read(struct file *file, char *buf, size_t count, loff_t *ppos)

+{

+    return -EPERM;

+}

+

+static ssize_t cgu_write(struct file *file, const char *buf, size_t count, loff_t *ppos)

+{

+    return -EPERM;

+}

+

+static int cgu_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)

+{

+    int ret = 0;

+    struct cgu_clock_rates rates;

+

+    if ( _IOC_TYPE(cmd) != CGU_IOC_MAGIC

+        || _IOC_NR(cmd) >= CGU_IOC_MAXNR )

+        return -ENOTTY;

+

+    if ( _IOC_DIR(cmd) & _IOC_READ )

+        ret = !access_ok(VERIFY_WRITE, arg, _IOC_SIZE(cmd));

+    else if ( _IOC_DIR(cmd) & _IOC_WRITE )

+        ret = !access_ok(VERIFY_READ, arg, _IOC_SIZE(cmd));

+    if ( ret )

+        return -EFAULT;

+

+    switch ( cmd )

+    {

+    case CGU_GET_CLOCK_RATES:

+        /*  Calculate Clock Rates   */

+        rates.mips0     = cgu_get_mips_clock(0);

+        rates.mips1     = cgu_get_mips_clock(1);

+        rates.cpu       = cgu_get_cpu_clock();

+        rates.io_region = cgu_get_io_region_clock();

+        rates.fpi_bus1  = cgu_get_fpi_bus_clock(1);

+        rates.fpi_bus2  = cgu_get_fpi_bus_clock(2);

+        rates.pp32      = cgu_get_pp32_clock();

+        rates.pci       = cgu_get_pci_clock();

+        rates.ethernet  = cgu_get_ethernet_clock();

+        rates.usb       = cgu_get_usb_clock();

+        rates.clockout0 = cgu_get_clockout(0);

+        rates.clockout1 = cgu_get_clockout(1);

+        rates.clockout2 = cgu_get_clockout(2);

+        rates.clockout3 = cgu_get_clockout(3);

+        /*  Copy to User Space      */

+        copy_to_user((char*)arg, (char*)&rates, sizeof(rates));

+

+        ret = 0;

+        break;

+    default:

+        ret = -ENOTTY;

+    }

+

+    return ret;

+}

+

+static int cgu_open(struct inode *inode, struct file *file)

+{

+    return 0;

+}

+

+static int cgu_release(struct inode *inode, struct file *file)

+{

+    return 0;

+}

+

+/*

+ *  Description:

+ *    calculate 64-bit multiplication result of two 32-bit unsigned integer

+ *  Input:

+ *    u32Multiplier1 --- u32 (32-bit), one of the multipliers

+ *    u32Multiplier2 --- u32 (32-bit), the other multiplier

+ *    u32Result      --- u32[2], array to retrieve the multiplication result,

+ *                       index 0 is high word, index 1 is low word

+ *  Output:

+*    none

+ */

+static inline void uint64_multiply(u32 u32Multiplier1, u32 u32Multiplier2, u32 u32Result[2])

+{

+	u32 u32Multiplier1LowWord = u32Multiplier1 & 0xFFFF;

+	u32 u32Multiplier1HighWord = u32Multiplier1 >> 16;

+	u32 u32Multiplier2LowWord = u32Multiplier2 & 0xFFFF;

+	u32 u32Multiplier2HighWord = u32Multiplier2 >> 16;

+	u32 u32Combo1, u32Combo2, u32Combo3, u32Combo4;

+	u32 u32Word1, u32Word2, u32Word3, u32Word4;

+

+	u32Combo1 = u32Multiplier1LowWord * u32Multiplier2LowWord;

+	u32Combo2 = u32Multiplier1HighWord * u32Multiplier2LowWord;

+	u32Combo3 = u32Multiplier1LowWord * u32Multiplier2HighWord;

+	u32Combo4 = u32Multiplier1HighWord * u32Multiplier2HighWord;

+

+	u32Word1 = u32Combo1 & 0xFFFF;

+	u32Word2 = (u32Combo1 >> 16) + (u32Combo2 & 0xFFFF) + (u32Combo3 & 0xFFFF);

+	u32Word3 = (u32Combo2 >> 16) + (u32Combo3 >> 16) + (u32Combo4 & 0xFFFF) + (u32Word2 >> 16);

+	u32Word4 = (u32Combo4 >> 16) + (u32Word3 >> 16);

+

+	u32Result[0] = (u32Word4 << 16) | u32Word3;

+	u32Result[1] = (u32Word2 << 16) | u32Word1;

+}

+

+/*

+ *  Description:

+ *    divide 64-bit unsigned integer with 32-bit unsigned integer

+ *  Input:

+ *    u32Numerator   --- u32[2], index 0 is high word of numerator, while

+ *                       index 1 is low word of numerator

+ *    u32Denominator --- u32 (32-bit), the denominator in division, this

+ *                       parameter can not be zero, or lead to unpredictable

+ *                       result

+ *    pu32Quotient   --- u32 *, the pointer to retrieve 32-bit quotient, null

+ *                       pointer means ignore quotient

+ *    pu32Residue    --- u32 *, the pointer to retrieve 32-bit residue null

+ *                       pointer means ignore residue

+ *  Output:

+ *    none

+ */

+static inline void uint64_divide(u32 u32Numerator[2], u32 u32Denominator, u32 *pu32Quotient, u32 *pu32Residue)

+{

+	u32 u32DWord1, u32DWord2, u32DWord3;

+	u32 u32Quotient;

+	int i;

+

+	u32DWord3 = 0;

+	u32DWord2 = u32Numerator[0];

+	u32DWord1 = u32Numerator[1];

+

+	u32Quotient = 0;

+

+	for ( i = 0; i < 64; i++ )

+	{

+		u32DWord3 = (u32DWord3 << 1) | (u32DWord2 >> 31);

+		u32DWord2 = (u32DWord2 << 1) | (u32DWord1 >> 31);

+		u32DWord1 <<= 1;

+		u32Quotient <<= 1;

+		if ( u32DWord3 >= u32Denominator )

+		{

+			u32DWord3 -= u32Denominator;

+			u32Quotient |= 1;

+		}

+	}

+	if ( pu32Quotient )

+	    *pu32Quotient = u32Quotient;

+	if ( pu32Residue )

+	    *pu32Residue = u32DWord3;

+}

+

+/*

+ *  Description:

+ *    common routine to calculate PLL frequency

+ *  Input:

+ *    num --- u32, numerator

+ *    den --- u32, denominator

+ *  Output:

+ *    u32 --- frequency the PLL output

+ */

+static inline u32 cal_dsm(u32 num, u32 den)

+{

+    u32 ret;

+    u32 temp[2];

+    u32 residue;

+

+    uint64_multiply(num, BASIC_INPUT_CLOCK_FREQUENCY, temp);

+    uint64_divide(temp, den, &ret, &residue);

+    if ( (residue << 1) >= den )

+        ret++;

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    calculate PLL frequency following MASH-DSM

+ *  Input:

+ *    M   --- u32, denominator coefficient

+ *    N   --- u32, numerator integer coefficient

+ *    K   --- u32, numerator fraction coefficient

+ *  Output:

+ *    u32 --- frequency the PLL output

+ */

+static inline u32 mash_dsm(u32 M, u32 N, u32 K)

+{

+    u32 num = ((N + 1) << 10) + K;

+    u32 den = (M + 1) << 10;

+

+    return cal_dsm(num, den);

+}

+

+/*

+ *  Description:

+ *    calculate PLL frequency following SSFF-DSM (0.25 < fraction < 0.75)

+ *  Input:

+ *    M   --- u32, denominator coefficient

+ *    N   --- u32, numerator integer coefficient

+ *    K   --- u32, numerator fraction coefficient

+ *  Output:

+ *    u32 --- frequency the PLL output

+ */

+static inline u32 ssff_dsm_1(u32 M, u32 N, u32 K)

+{

+    u32 num = ((N + 1) << 11) + K + 512;

+    u32 den = (M + 1) << 11;

+

+    return cal_dsm(num, den);

+}

+

+/*

+ *  Description:

+ *    calculate PLL frequency following SSFF-DSM

+ *    (fraction < 0.125 || fraction > 0.875)

+ *  Input:

+ *    M   --- u32, denominator coefficient

+ *    N   --- u32, numerator integer coefficient

+ *    K   --- u32, numerator fraction coefficient

+ *  Output:

+ *    u32 --- frequency the PLL output

+ */

+static inline u32 ssff_dsm_2(u32 M, u32 N, u32 K)

+{

+    u32 num = K >= 512 ? ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584;

+    u32 den = (M + 1) << 12;

+

+    return cal_dsm(num, den);

+}

+

+/*

+ *  Description:

+ *    calculate PLL frequency

+ *  Input:

+ *    M            --- u32, denominator coefficient

+ *    N            --- u32, numerator integer coefficient

+ *    K            --- u32, numerator fraction coefficient

+ *    dsmsel       --- int, 0: MASH-DSM, 1: SSFF-DSM

+ *    phase_div_en --- int, 0: 0.25 < fraction < 0.75

+ *                          1: fraction < 0.125 || fraction > 0.875

+ *  Output:

+ *    u32          --- frequency the PLL output

+ */

+static inline u32 dsm(u32 M, u32 N, u32 K, int dsmsel, int phase_div_en)

+{

+    if ( !dsmsel )

+        return mash_dsm(M, N, K);

+    else

+        if ( !phase_div_en )

+            return ssff_dsm_1(M, N, K);

+        else

+            return ssff_dsm_2(M, N, K);

+}

+

+/*

+ *  Description:

+ *    get oscillate frequency of PLL0

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL0 Fosc

+ */

+static inline u32 cgu_get_pll0_fosc(void)

+{

+    return CGU_PLL_SR0_PLLB ? BASIC_INPUT_CLOCK_FREQUENCY : dsm(CGU_PLL_NMK0_PLLM, CGU_PLL_NMK0_PLLN, CGU_PLL_NMK0_PLLK, CGU_PLL_SR0_DSMSEL, CGU_PLL_SR0_PHASE_DIV_EN);

+}

+

+/*

+ *  Description:

+ *    get output frequency of PLL0 phase shifter

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL0 Fps

+ */

+static inline u32 cgu_get_pll0_fps(void)

+{

+    register u32 fps = cgu_get_pll0_fosc();

+

+    switch ( CGU_PLL_SR0_PLLPSE )

+    {

+    case 1:

+        /*  1.5     */

+        fps = ((fps << 1) + 1) / 3; break;

+    case 2:

+        /*  1.25    */

+        fps = ((fps << 2) + 2) / 5; break;

+    case 3:

+        /*  3.5     */

+        fps = ((fps << 1) + 3) / 7;

+    }

+    return fps;

+}

+

+/*

+ *  Description:

+ *    get output frequency of PLL0 output divider

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL0 Fdiv

+ */

+static inline u32 cgu_get_pll0_fdiv(void)

+{

+    register u32 fdiv = cgu_get_pll0_fosc();

+

+    if ( CGU_PLL_SR0_PLLDEN )

+        fdiv = (fdiv + (CGU_PLL_SR0_PLLDIV + 1) / 2) / (CGU_PLL_SR0_PLLDIV + 1);

+    return fdiv;

+}

+

+/*

+ *  Description:

+ *    get oscillate frequency of PLL1

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL1 Fosc

+ */

+static inline u32 cgu_get_pll1_fosc(void)

+{

+    return CGU_PLL_SR1_PLLB ? BASIC_INPUT_CLOCK_FREQUENCY : dsm(CGU_PLL_NMK1_PLLM, CGU_PLL_NMK1_PLLN, CGU_PLL_NMK1_PLLK, CGU_PLL_SR1_DSMSEL, CGU_PLL_SR1_PHASE_DIV_EN);

+}

+

+/*

+ *  Description:

+ *    get output frequency of PLL1 phase shifter

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL1 Fps

+ */

+static inline u32 cgu_get_pll1_fps(void)

+{

+    register u32 fps = cgu_get_pll1_fosc();

+

+    switch ( CGU_PLL_SR1_PLLPSE )

+    {

+    case 1:

+        /*  1.5     */

+        fps = ((fps << 1) + 1) / 3; break;

+    case 2:

+        /*  1.25    */

+        fps = ((fps << 2) + 2) / 5; break;

+    case 3:

+        /*  3.5     */

+        fps = ((fps << 1) + 3) / 7;

+    }

+    return fps;

+}

+

+/*

+ *  Description:

+ *    get output frequency of PLL1 output divider

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL1 Fdiv

+ */

+static inline u32 cgu_get_pll1_fdiv(void)

+{

+    register u32 fdiv = cgu_get_pll1_fosc();

+

+    if ( CGU_PLL_SR1_PLLDEN )

+        fdiv = (fdiv + (CGU_PLL_SR1_PLLDIV + 1) / 2) / (CGU_PLL_SR1_PLLDIV + 1);

+    return fdiv;

+}

+

+/*

+ *  Description:

+ *    get oscillate frequency of PLL2

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL2 Fosc

+ */

+static inline u32 cgu_get_pll2_fosc(void)

+{

+    u32 ret;

+    u32 temp[2];

+    u32 residue;

+

+    uint64_multiply((CGU_PLL_SR2_PLLN + 1) * 8, cgu_get_pll0_fdiv(), temp);

+    uint64_divide(temp, CGU_PLL_SR2_PLLM + 1, &ret, &residue);

+    if ( (residue << 1) >= CGU_PLL_SR2_PLLM )

+        ret++;

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get output frequency of PLL2 phase shifter

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PLL2 Fps

+ */

+static inline u32 cgu_get_pll2_fps(void)

+{

+    register u32 fps = cgu_get_pll2_fosc();

+

+    if ( CGU_PLL_SR2_PLLPE )

+    {

+        if ( CGU_PLL_SR2_PLLPS )

+            /*  1.25    */

+            fps = ((fps << 3) + 4) / 9;

+        else

+            /*  1.125   */

+            fps = ((fps << 2) + 2) / 5;

+    }

+

+    return fps;

+}

+

+

+/*

+ * ####################################

+ *           Global Function

+ * ####################################

+ */

+

+/*

+ *  Description:

+ *    get frequency of MIPS (0: core, 1: DSP)

+ *  Input:

+ *    cpu --- int, 0: core, 1: DSP

+ *  Output:

+ *    u32 --- frequency of MIPS coprocessor (0: core, 1: DSP)

+ */

+u32 cgu_get_mips_clock(int cpu)

+{

+    register u32 ret = cgu_get_pll0_fosc();

+

+    if ( CGU_CRD_CRD )

+        ret = (ret + (CGU_CRD_CRD >> 1)) / (CGU_CRD_CRD + 1);

+    if ( cpu == 0 && CGU_CRD_CRD1 )

+        ret >>= CGU_CRD_CRD1;

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of MIPS core

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of MIPS core

+ */

+u32 cgu_get_cpu_clock(void)

+{

+    return cgu_get_mips_clock(0);

+}

+

+/*

+ *  Description:

+ *    get frequency of sub-system and memory controller

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of sub-system and memory controller

+ */

+u32 cgu_get_io_region_clock(void)

+{

+    register u32 ret = (CGU_MUX_SUB_SYS > 4) ? cgu_get_pll0_fosc() : cgu_get_mips_clock(1);

+

+    switch ( CGU_MUX_SUB_SYS )

+    {

+    case 0:

+        break;

+    case 1:

+    default:

+        ret = (ret + 1) >> 1; break;

+    case 2:

+        ret = (ret + 1) / 3; break;

+    case 3:

+        ret = (ret + 2) >> 2; break;

+    case 5:

+        ret = ((ret << 1) + 1) / 3; break;

+    case 6:

+        ret = ((ret << 1) + 2) / 5;

+    }

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of FPI bus

+ *  Input:

+ *    fpi --- int, 1: FPI bus 1 (FBS1/Fast FPI Bus), 2: FPI bus 2 (FBS2)

+ *  Output:

+ *    u32 --- frequency of FPI bus

+ */

+u32 cgu_get_fpi_bus_clock(int fpi)

+{

+    register u32 ret = cgu_get_io_region_clock();

+

+    if ( fpi == 2 )

+        ret >>= 1;

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of PP32 processor

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PP32 processor

+ */

+u32 cgu_get_pp32_clock(void)

+{

+    register u32 ret;

+

+    switch ( CGU_MUX_PP32 )

+    {

+    case 0:

+    default:

+        ret = ((cgu_get_pll2_fosc() << 2) + 2) / 5; break;

+    case 1:

+        ret = ((cgu_get_pll2_fosc() << 3) + 4) / 9; break;

+    case 2:

+        ret = cgu_get_fpi_bus_clock(1); break;

+    case 3:

+        ret = cgu_get_mips_clock(1);

+    }

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of PCI bus

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of PCI bus

+ */

+u32 cgu_get_pci_clock(void)

+{

+    register u32 ret = 0;

+

+    if ( !CGU_IF_CLK_PCIS )

+    {

+        ret = cgu_get_pll2_fosc();

+        if ( CGU_IF_CLK_PCIF )

+            ret = (ret + 2) / 5;

+        else

+            ret = (ret + 4) / 9;

+    }

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of ethernet module (MII)

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of ethernet module

+ */

+u32 cgu_get_ethernet_clock(void)

+{

+    register u32 ret = 0;

+

+    if ( !CGU_IF_CLK_MIICS )

+    {

+        ret = cgu_get_pll2_fosc();

+        if ( CGU_MUX_MII_CLK )

+            ret = (ret + 3) / 6;

+        else

+            ret = (ret + 6) / 12;

+    }

+

+    return ret;

+}

+

+/*

+ *  Description:

+ *    get frequency of USB

+ *  Input:

+ *    none

+ *  Output:

+ *    u32 --- frequency of USB

+ */

+u32 cgu_get_usb_clock(void)

+{

+    return CGU_IF_CLK_USBCS ? 12000000 : (cgu_get_pll2_fosc() + 12) / 25;

+}

+

+/*

+ *  Description:

+ *    get frequency of CLK_OUT pin

+ *  Input:

+ *    clkout --- int, clock out pin number

+ *  Output:

+ *    u32    --- frequency of CLK_OUT pin

+ */

+u32 cgu_get_clockout(int clkout)

+{

+    u32 fosc1 = cgu_get_pll1_fosc();

+    u32 fosc2 = cgu_get_pll2_fosc();

+

+    if ( clkout > 3 || clkout < 0 )

+        return 0;

+

+    switch ( ((u32)clkout << 2) | GET_BITS(*DANUBE_CGU_IF_CLK, 21 + clkout * 2, 20 + clkout * 2) )

+    {

+    case 0: /*  32.768KHz   */

+    case 14:

+        return (fosc1 + 6000) / 12000;

+    case 1: /*  1.536MHz    */

+        return (fosc1 + 128) / 256;

+    case 2: /*  2.5MHz      */

+        return (fosc2 + 60) / 120;

+    case 3: /*  12MHz       */

+    case 5:

+    case 12:

+        return (fosc2 + 12) / 25;

+    case 4: /*  40MHz       */

+        return (fosc2 * 2 + 7) / 15;

+    case 6: /*  24MHz       */

+        return (fosc2 * 2 + 12) / 25;

+    case 7: /*  48MHz       */

+        return (fosc2 * 4 + 12) / 25;

+    case 8: /*  25MHz       */

+    case 15:

+        return (fosc2 + 6) / 12;

+    case 9: /*  50MHz       */

+    case 13:

+        return (fosc2 + 3) / 6;

+    case 10:/*  30MHz       */

+        return (fosc2 + 5) / 10;

+    case 11:/*  60MHz       */

+        return (fosc2 + 2) / 5;

+    }

+

+    return 0;

+}

+

+

+/*

+ * ####################################

+ *           Init/Cleanup API

+ * ####################################

+ */

+

+/*

+ *  Description:

+ *    register device

+ *  Input:

+ *    none

+ *  Output:

+ *    0    --- successful

+ *    else --- failure, usually it is negative value of error code

+ */

+int __init danube_cgu_init(void)

+{

+    int ret;

+

+    ret = misc_register(&cgu_miscdev);

+    if ( ret )

+    {

+        printk(KERN_ERR "cgu: can't misc_register\n");

+        return ret;

+    }

+    else

+        printk(KERN_INFO "cgu: misc_register on minor = %d\n", cgu_miscdev.minor);

+

+    /*

+     *  initialize fake registers to do testing on Amazon

+     */

+#if defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON

+    #ifdef  DEBUG_PRINT_INFO

+    #undef  DEBUG_PRINT_INFO

+    #endif

+    #define DEBUG_PRINT_INFO    1

+

+    *DANUBE_CGU_DIV         = 0x00010019;

+    *DANUBE_CGU_PLL_NMK0    = 0x416002C3;

+    *DANUBE_CGU_PLL_SR0     = 0x74000013;

+    *DANUBE_CGU_PLL_NMK1    = 0x4C60009C;

+    *DANUBE_CGU_PLL_SR1     = 0x54000013;

+    *DANUBE_CGU_PLL_SR2     = 0x58890013;

+    *DANUBE_CGU_IF_CLK      = 0x00000000;

+    *DANUBE_CGU_OSC_CTRL    = 0x00000000;

+    *DANUBE_CGU_SMD         = 0x00000000;

+    *DANUBE_CGU_CRD         = 0x00010000;

+    *DANUBE_CGU_CT1SR       = 0x00000000;

+    *DANUBE_CGU_CT2SR       = CGU_PLL_NMK1_PLLK;

+    *DANUBE_CGU_PCMCR       = 0x00000000;

+    *DANUBE_CGU_MUX         = 0x00000008;

+#endif  //  defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON

+

+    /*

+     *  for testing only

+     */

+#if defined(DEBUG_PRINT_INFO) && DEBUG_PRINT_INFO

+    printk("pll0 N = %d, M = %d, K = %d, DIV = %d\n", CGU_PLL_NMK0_PLLN, CGU_PLL_NMK0_PLLM, CGU_PLL_NMK0_PLLK, CGU_PLL_SR0_PLLDIV);

+    printk("pll1 N = %d, M = %d, K = %d, DIV = %d\n", CGU_PLL_NMK1_PLLN, CGU_PLL_NMK1_PLLM, CGU_PLL_NMK1_PLLK, CGU_PLL_SR1_PLLDIV);

+    printk("pll2 N = %d, M = %d, DIV = %d\n", CGU_PLL_SR2_PLLN, CGU_PLL_SR2_PLLM, CGU_PLL_SR2_PLLDIV);

+    printk("pll0_fosc    = %d\n", cgu_get_pll0_fosc());

+    printk("pll0_fps     = %d\n", cgu_get_pll0_fps());

+    printk("pll0_fdiv    = %d\n", cgu_get_pll0_fdiv());

+    printk("pll1_fosc    = %d\n", cgu_get_pll1_fosc());

+    printk("pll1_fps     = %d\n", cgu_get_pll1_fps());

+    printk("pll1_fdiv    = %d\n", cgu_get_pll1_fdiv());

+    printk("pll2_fosc    = %d\n", cgu_get_pll2_fosc());

+    printk("pll2_fps     = %d\n", cgu_get_pll2_fps());

+    printk("mips0 clock  = %d\n", cgu_get_mips_clock(0));

+    printk("mips1 clock  = %d\n", cgu_get_mips_clock(1));

+    printk("cpu clock    = %d\n", cgu_get_cpu_clock());

+    printk("IO region    = %d\n", cgu_get_io_region_clock());

+    printk("FPI bus 1    = %d\n", cgu_get_fpi_bus_clock(1));

+    printk("FPI bus 2    = %d\n", cgu_get_fpi_bus_clock(2));

+    printk("PP32 clock   = %d\n", cgu_get_pp32_clock());

+    printk("PCI clock    = %d\n", cgu_get_pci_clock());

+    printk("Ethernet     = %d\n", cgu_get_ethernet_clock());

+    printk("USB clock    = %d\n", cgu_get_usb_clock());

+    printk("Clockout0    = %d\n", cgu_get_clockout(0));

+    printk("Clockout1    = %d\n", cgu_get_clockout(1));

+    printk("Clockout2    = %d\n", cgu_get_clockout(2));

+    printk("Clockout3    = %d\n", cgu_get_clockout(3));

+#endif  //  defined(DEBUG_PRINT_INFO) && DEBUG_PRINT_INFO

+

+    return 0;

+}

+

+/*

+ *  Description:

+ *    deregister device

+ *  Input:

+ *    none

+ *  Output:

+ *    none

+ */

+void __exit danube_cgu_exit(void)

+{

+    int ret;

+

+    ret = misc_deregister(&cgu_miscdev);

+    if ( ret )

+        printk(KERN_ERR "cgu: can't misc_deregister, get error number %d\n", -ret);

+    else

+        printk(KERN_INFO "cgu: misc_deregister successfully\n");

+}

+

+module_init(danube_cgu_init);

+module_exit(danube_cgu_exit);

diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.h b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.h
new file mode 100644
index 000000000..78fe21d62
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cgu.h
@@ -0,0 +1,91 @@
+#ifndef __DANUBE_CGU_DEV_H__2005_07_20__14_26__

+#define __DANUBE_CGU_DEV_H__2005_07_20__14_26__

+

+

+/******************************************************************************

+       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.

+******************************************************************************/

+

+

+/*

+ * ####################################

+ *              Definition

+ * ####################################

+ */

+

+/*

+ *  ioctl Command

+ */

+#define CGU_IOC_MAGIC                   'u'

+#define CGU_GET_CLOCK_RATES             _IOW(CGU_IOC_MAGIC, 0, struct cgu_clock_rates)

+#define CGU_IOC_MAXNR                   1

+

+

+/*

+ * ####################################

+ *              Data Type

+ * ####################################

+ */

+

+/*

+ *  Data Type Used to Call ioctl(GET_CLOCK_RATES)

+ */

+struct cgu_clock_rates {

+    u32     mips0;

+    u32     mips1;

+    u32     cpu;

+    u32     io_region;

+    u32     fpi_bus1;

+    u32     fpi_bus2;

+    u32     pp32;

+    u32     pci;

+    u32     ethernet;

+    u32     usb;

+    u32     clockout0;

+    u32     clockout1;

+    u32     clockout2;

+    u32     clockout3;

+};

+

+

+/*

+ * ####################################

+ *             Declaration

+ * ####################################

+ */

+

+#if defined(__KERNEL__)

+    extern u32 cgu_get_mips_clock(int);

+    extern u32 cgu_get_cpu_clock(void);

+    extern u32 cgu_get_io_region_clock(void);

+    extern u32 cgu_get_fpi_bus_clock(int);

+    extern u32 cgu_get_pp32_clock(void);

+    extern u32 cgu_get_pci_clock(void);

+    extern u32 cgu_get_ethernet_clock(void);

+    extern u32 cgu_get_usb_clock(void);

+    extern u32 cgu_get_clockout(int);

+#endif  //  defined(__KERNEL__)

+

+

+#endif  //  __DANUBE_CGU_DEV_H__2005_07_20__14_26__

diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_clock.c b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_clock.c
new file mode 100644
index 000000000..0a1cdacdc
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_clock.c
@@ -0,0 +1,91 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm-mips/danube.h>
+
+
+
+/*******************************************************************************
+*
+* get_cpuclk - returns the frequency of the CPU. 
+*
+* NOTE:
+*   This functions should be used by the hardware driver to get the correct
+*   frequency of the CPU. 
+*/
+
+unsigned int danube_get_ddr_hz(void)
+{
+        switch((*DANUBE_CGU_SYS) & 0x3){
+                case 0:
+                        return 166666667;
+                case 1:
+                        return 133333333;
+                case 2:
+                        return 111111111;
+                case 3:
+                        return 83333333;
+        }
+}
+
+
+uint danube_get_cpuclk(void)
+{
+#ifdef CONFIG_USE_EMULATOR
+        return EMULATOR_CPU_SPEED;
+#else //NOT CONFIG_USE_EMULATOR
+        unsigned int ddr_clock=danube_get_ddr_hz();
+        switch((*DANUBE_CGU_SYS) & 0xc){
+                case 0:
+                        return 333333333;
+                case 4:
+                        return ddr_clock;
+                case 8:
+                        return ddr_clock << 1;
+                default:
+			break;
+                        /*reserved*/
+        }
+#endif
+
+}
+
+
+uint danube_get_fpiclk(void)
+{
+#ifdef CONFIG_USE_EMULATOR
+        unsigned int  clkCPU;
+        clkCPU = danube_get_cpu_hz();
+        return clkCPU >> 2;
+#else //NOT CONFIG_USE_EMULATOR
+        unsigned int ddr_clock=danube_get_ddr_hz();
+        if ((*DANUBE_CGU_SYS) & 0x40){
+                return ddr_clock >> 1;
+        }
+        return ddr_clock;
+#endif
+
+}
+
+
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cpu.c b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cpu.c
new file mode 100644
index 000000000..49355de55
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_cpu.c
@@ -0,0 +1,5 @@
+
+#define IFX_CPU_RESET					\
+{	*DANUBE_RCU_RST_REQ |=1<<30;			\
+}
+
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/ifx_start.S b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_start.S
new file mode 100644
index 000000000..17c0b0ae5
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/ifx_start.S
@@ -0,0 +1,51 @@
+/*
+ * IFX Platform Dependent CPU Initializations
+ * - for Danube
+ */
+
+#define IFX_EBU_BOOTCFG_DWORD							\
+	.word INFINEON_EBU_BOOTCFG; /* EBU init code, fetched during booting */	\
+	.word 0x00000000;           /* phases of the flash */
+
+#define IFX_MORE_RESERVED_VECTORS						\
+	XVECENT(romExcHandle,0x400);	/* Int, CauseIV=1 */			\
+	RVECENT(romReserved,129);						\
+	RVECENT(romReserved,130);						\
+	RVECENT(romReserved,131);						\
+	RVECENT(romReserved,132);						\
+	RVECENT(romReserved,133);						\
+	RVECENT(romReserved,134);						\
+	RVECENT(romReserved,135);						\
+	RVECENT(romReserved,136);						\
+	RVECENT(romReserved,137);						\
+	RVECENT(romReserved,138);						\
+	RVECENT(romReserved,139);						\
+	RVECENT(romReserved,140);						\
+	RVECENT(romReserved,141);						\
+	RVECENT(romReserved,142);						\
+	RVECENT(romReserved,143);						\
+	RVECENT(romExcHandle,0x480);	/* EJTAG debug exception */
+
+#define IFX_RESET_PRECHECK							\
+	mfc0	k0, CP0_EBASE;							\
+	and	k0, EBASEF_CPUNUM;						\
+	bne	k0, zero, ifx_mips_handler_1;					\
+	nop;
+
+#define IFX_CPU_EXTRA_INIT							\
+	mfc0	k0, CP0_CONFIG, 7;						\
+	li	k1, 0x04;							\
+	or	k0, k1;								\
+	mtc0	k0, CP0_CONFIG, 7;
+
+#define IFX_CACHE_OPER_MODE							\
+	li	t0, CONF_CM_CACHABLE_NO_WA;
+
+/*
+ * Stop VCPU
+ */
+#define IFX_MIPS_HANDLER_1							\
+	wait;									\
+	b ifx_mips_handler_1;							\
+	nop;
+
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/incaip_clock.c b/package/uboot-ifxmips/files/cpu/mips/danube/incaip_clock.c
new file mode 100644
index 000000000..1b0a0fd39
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/incaip_clock.c
@@ -0,0 +1,120 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifdef CONFIG_INCA_IP
+
+#include <common.h>
+#include <asm/inca-ip.h>
+
+
+/*******************************************************************************
+*
+* get_cpuclk - returns the frequency of the CPU.
+*
+* Gets the value directly from the INCA-IP hardware.
+*
+* RETURNS:
+*          150.000.000 for 150 MHz
+*          133.333.333 for 133 Mhz (= 400MHz/3)
+*          100.000.000 for 100 Mhz (= 400MHz/4)
+* NOTE:
+*   This functions should be used by the hardware driver to get the correct
+*   frequency of the CPU. Don't use the macros, which are set to init the CPU
+*   frequency in the ROM code.
+*/
+uint incaip_get_cpuclk (void)
+{
+	/*-------------------------------------------------------------------------*/
+	/* CPU Clock Input Multiplexer (MUX I)                                     */
+	/* Multiplexer MUX I selects the maximum input clock to the CPU.           */
+	/*-------------------------------------------------------------------------*/
+	if (*((volatile ulong *) INCA_IP_CGU_CGU_MUXCR) &
+	    INCA_IP_CGU_CGU_MUXCR_MUXI) {
+		/* MUX I set to 150 MHz clock */
+		return 150000000;
+	} else {
+		/* MUX I set to 100/133 MHz clock */
+		if (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0x40) {
+			/* Division value is 1/3, maximum CPU operating */
+			/* frequency is 133.3 MHz                       */
+			return 133333333;
+		} else {
+			/* Division value is 1/4, maximum CPU operating */
+			/* frequency is 100 MHz                         */
+			return 100000000;
+		}
+	}
+}
+
+/*******************************************************************************
+*
+* get_fpiclk - returns the frequency of the FPI bus.
+*
+* Gets the value directly from the INCA-IP hardware.
+*
+* RETURNS: Frquency in Hz
+*
+* NOTE:
+*   This functions should be used by the hardware driver to get the correct
+*   frequency of the CPU. Don't use the macros, which are set to init the CPU
+*   frequency in the ROM code.
+*   The calculation for the
+*/
+uint incaip_get_fpiclk (void)
+{
+	uint clkCPU;
+
+	clkCPU = incaip_get_cpuclk ();
+
+	switch (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0xC) {
+	case 0x4:
+		return clkCPU >> 1;	/* devided by 2 */
+		break;
+	case 0x8:
+		return clkCPU >> 2;	/* devided by 4 */
+		break;
+	default:
+		return clkCPU;
+		break;
+	}
+}
+
+int incaip_set_cpuclk (void)
+{
+	extern void ebu_init(long);
+	extern void cgu_init(long);
+	extern void sdram_init(long);
+	char tmp[64];
+	ulong cpuclk;
+
+	if (getenv_r ("cpuclk", tmp, sizeof (tmp)) > 0) {
+		cpuclk = simple_strtoul (tmp, NULL, 10) * 1000000;
+		cgu_init (cpuclk);
+		ebu_init (cpuclk);
+		sdram_init (cpuclk);
+	}
+
+	return 0;
+}
+
+#endif /* CONFIG_INCA_IP */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/incaip_wdt.S b/package/uboot-ifxmips/files/cpu/mips/danube/incaip_wdt.S
new file mode 100644
index 000000000..0c6b5e201
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/incaip_wdt.S
@@ -0,0 +1,75 @@
+/*
+ *  INCA-IP Watchdog timer management code.
+ *
+ *  Copyright (c) 2003	Wolfgang Denk <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <config.h>
+#include <version.h>
+#include <asm/regdef.h>
+
+#ifdef CONFIG_INCA_IP
+
+#define WD_BASE            0xb8000000
+#define WD_CON0(value)     0x0020(value)
+#define WD_CON1(value)     0x0024(value)
+#define WD_DISABLE         0x00000008
+#define WD_ENABLE          0x00000000
+#define WD_WRITE_PW        0xFFFC00F8
+#define WD_WRITE_ENDINIT   0xFFFC00F3
+#define WD_WRITE_INIT      0xFFFC00F2
+
+
+	.globl	disable_incaip_wdt
+disable_incaip_wdt:
+	li	t0, WD_BASE
+
+	/* Calculate password.
+	 */
+	lw	t2, WD_CON1(t0)
+	and	t2, 0xC
+
+	lw	t3, WD_CON0(t0)
+	and	t3, 0xFFFFFF01
+
+	or	t3, t2
+	or 	t3, 0xF0
+
+	sw	t3, WD_CON0(t0)		/* write password */
+
+	/* Clear ENDINIT.
+	 */
+	li	t1, WD_WRITE_INIT
+	sw	t1, WD_CON0(t0)
+
+
+	li	t1, WD_DISABLE
+	sw	t1, WD_CON1(t0)		/* disable watchdog */
+	li	t1, WD_WRITE_PW
+	sw	t1, WD_CON0(t0)		/* write password */
+	li	t1, WD_WRITE_ENDINIT
+	sw	t1, WD_CON0(t0)		/* end command */
+
+	j	ra
+	nop
+
+#endif /* CONFIG_INCA_IP */
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/interrupts.c b/package/uboot-ifxmips/files/cpu/mips/danube/interrupts.c
new file mode 100644
index 000000000..87f7a9f7e
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/interrupts.c
@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+void enable_interrupts(void)
+{
+}
+
+int disable_interrupts(void)
+{
+	return 0;
+}
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/start.S b/package/uboot-ifxmips/files/cpu/mips/danube/start.S
new file mode 100644
index 000000000..b1ee491d3
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/start.S
@@ -0,0 +1,442 @@
+/*
+ *  Startup Code for MIPS32 CPU-core
+ *
+ *  Copyright (c) 2003	Wolfgang Denk <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <config.h>
+#include <version.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+#if defined(CONFIG_IFX_MIPS)
+#include "ifx_start.S"
+#endif
+
+#define RVECENT(f,n) \
+   b f; nop
+#define XVECENT(f,bev) \
+   b f     ;           \
+   li k0,bev
+
+	.set noreorder
+
+	.globl _start
+	.text
+_start:
+	RVECENT(reset,0)	/* U-boot entry point */
+	RVECENT(reset,1)	/* software reboot */
+#if defined(CONFIG_INCA_IP)
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+	.word 0x00000000           /* phase of the flash                    */
+#elif defined(CONFIG_IFX_MIPS) && defined(IFX_EBU_BOOTCFG_DWORD)
+	IFX_EBU_BOOTCFG_DWORD
+#elif defined(CONFIG_PURPLE)
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+#else
+	RVECENT(romReserved,2)
+#endif
+	RVECENT(romReserved,3)
+	RVECENT(romReserved,4)
+	RVECENT(romReserved,5)
+	RVECENT(romReserved,6)
+	RVECENT(romReserved,7)
+	RVECENT(romReserved,8)
+	RVECENT(romReserved,9)
+	RVECENT(romReserved,10)
+	RVECENT(romReserved,11)
+	RVECENT(romReserved,12)
+	RVECENT(romReserved,13)
+	RVECENT(romReserved,14)
+	RVECENT(romReserved,15)
+	RVECENT(romReserved,16)
+	RVECENT(romReserved,17)
+	RVECENT(romReserved,18)
+	RVECENT(romReserved,19)
+	RVECENT(romReserved,20)
+	RVECENT(romReserved,21)
+	RVECENT(romReserved,22)
+	RVECENT(romReserved,23)
+	RVECENT(romReserved,24)
+	RVECENT(romReserved,25)
+	RVECENT(romReserved,26)
+	RVECENT(romReserved,27)
+	RVECENT(romReserved,28)
+	RVECENT(romReserved,29)
+	RVECENT(romReserved,30)
+	RVECENT(romReserved,31)
+	RVECENT(romReserved,32)
+	RVECENT(romReserved,33)
+	RVECENT(romReserved,34)
+	RVECENT(romReserved,35)
+	RVECENT(romReserved,36)
+	RVECENT(romReserved,37)
+	RVECENT(romReserved,38)
+	RVECENT(romReserved,39)
+	RVECENT(romReserved,40)
+	RVECENT(romReserved,41)
+	RVECENT(romReserved,42)
+	RVECENT(romReserved,43)
+	RVECENT(romReserved,44)
+	RVECENT(romReserved,45)
+	RVECENT(romReserved,46)
+	RVECENT(romReserved,47)
+	RVECENT(romReserved,48)
+	RVECENT(romReserved,49)
+	RVECENT(romReserved,50)
+	RVECENT(romReserved,51)
+	RVECENT(romReserved,52)
+	RVECENT(romReserved,53)
+	RVECENT(romReserved,54)
+	RVECENT(romReserved,55)
+	RVECENT(romReserved,56)
+	RVECENT(romReserved,57)
+	RVECENT(romReserved,58)
+	RVECENT(romReserved,59)
+	RVECENT(romReserved,60)
+	RVECENT(romReserved,61)
+	RVECENT(romReserved,62)
+	RVECENT(romReserved,63)
+	XVECENT(romExcHandle,0x200)	/* bfc00200: R4000 tlbmiss vector */
+	RVECENT(romReserved,65)
+	RVECENT(romReserved,66)
+	RVECENT(romReserved,67)
+	RVECENT(romReserved,68)
+	RVECENT(romReserved,69)
+	RVECENT(romReserved,70)
+	RVECENT(romReserved,71)
+	RVECENT(romReserved,72)
+	RVECENT(romReserved,73)
+	RVECENT(romReserved,74)
+	RVECENT(romReserved,75)
+	RVECENT(romReserved,76)
+	RVECENT(romReserved,77)
+	RVECENT(romReserved,78)
+	RVECENT(romReserved,79)
+	XVECENT(romExcHandle,0x280)	/* bfc00280: R4000 xtlbmiss vector */
+	RVECENT(romReserved,81)
+	RVECENT(romReserved,82)
+	RVECENT(romReserved,83)
+	RVECENT(romReserved,84)
+	RVECENT(romReserved,85)
+	RVECENT(romReserved,86)
+	RVECENT(romReserved,87)
+	RVECENT(romReserved,88)
+	RVECENT(romReserved,89)
+	RVECENT(romReserved,90)
+	RVECENT(romReserved,91)
+	RVECENT(romReserved,92)
+	RVECENT(romReserved,93)
+	RVECENT(romReserved,94)
+	RVECENT(romReserved,95)
+	XVECENT(romExcHandle,0x300)	/* bfc00300: R4000 cache vector */
+	RVECENT(romReserved,97)
+	RVECENT(romReserved,98)
+	RVECENT(romReserved,99)
+	RVECENT(romReserved,100)
+	RVECENT(romReserved,101)
+	RVECENT(romReserved,102)
+	RVECENT(romReserved,103)
+	RVECENT(romReserved,104)
+	RVECENT(romReserved,105)
+	RVECENT(romReserved,106)
+	RVECENT(romReserved,107)
+	RVECENT(romReserved,108)
+	RVECENT(romReserved,109)
+	RVECENT(romReserved,110)
+	RVECENT(romReserved,111)
+	XVECENT(romExcHandle,0x380)	/* bfc00380: R4000 general vector */
+	RVECENT(romReserved,113)
+	RVECENT(romReserved,114)
+	RVECENT(romReserved,115)
+	RVECENT(romReserved,116)
+	RVECENT(romReserved,116)
+	RVECENT(romReserved,118)
+	RVECENT(romReserved,119)
+	RVECENT(romReserved,120)
+	RVECENT(romReserved,121)
+	RVECENT(romReserved,122)
+	RVECENT(romReserved,123)
+	RVECENT(romReserved,124)
+	RVECENT(romReserved,125)
+	RVECENT(romReserved,126)
+	RVECENT(romReserved,127)
+
+	/* We hope there are no more reserved vectors!
+	 * 128 * 8 == 1024 == 0x400
+	 * so this is address R_VEC+0x400 == 0xbfc00400
+	 */
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_MORE_RESERVED_VECTORS)
+	IFX_MORE_RESERVED_VECTORS
+#else
+#ifdef CONFIG_PURPLE
+/* 0xbfc00400 */
+	.word	0xdc870000
+	.word	0xfca70000
+	.word	0x20840008
+	.word	0x20a50008
+	.word	0x20c6ffff
+	.word	0x14c0fffa
+	.word	0x00000000
+	.word	0x03e00008
+	.word	0x00000000
+	.word   0x00000000
+/* 0xbfc00428 */
+	.word	0xdc870000
+	.word	0xfca70000
+	.word	0x20840008
+	.word	0x20a50008
+	.word	0x20c6ffff
+	.word	0x14c0fffa
+	.word	0x00000000
+	.word	0x03e00008
+	.word	0x00000000
+	.word   0x00000000
+#endif /* CONFIG_PURPLE */
+#endif /* CONFIG_IFX_MIPS */
+	.align 4
+reset:
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_RESET_PRECHECK)
+	IFX_RESET_PRECHECK
+#endif
+	/* Clear watch registers.
+	 */
+	mtc0	zero, CP0_WATCHLO
+	mtc0	zero, CP0_WATCHHI
+
+	/* STATUS register */
+#ifdef  CONFIG_TB0229
+	li	k0, ST0_CU0
+#else
+	mfc0	k0, CP0_STATUS
+#endif
+	li	k1, ~ST0_IE
+	and	k0, k1
+	mtc0	k0, CP0_STATUS
+
+	/* CAUSE register */
+	mtc0	zero, CP0_CAUSE
+
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_CPU_EXTRA_INIT)
+	IFX_CPU_EXTRA_INIT
+#endif
+
+	/* Init Timer */
+	mtc0	zero, CP0_COUNT
+	mtc0	zero, CP0_COMPARE
+
+	/* CONFIG0 register */
+	li	t0, CONF_CM_UNCACHED
+	mtc0	t0, CP0_CONFIG
+
+	/* Initialize GOT pointer.
+	*/
+	bal     1f
+	nop
+	.word   _GLOBAL_OFFSET_TABLE_
+	1:
+	move    gp, ra
+	lw      t1, 0(ra)
+	move	gp, t1
+
+#ifdef CONFIG_INCA_IP
+	/* Disable INCA-IP Watchdog.
+	 */
+	la      t9, disable_incaip_wdt
+	jalr    t9
+	nop
+#endif
+
+	/* Initialize any external memory.
+	 */
+	la      t9, lowlevel_init
+	jalr    t9
+	nop
+
+	/* Initialize caches...
+	 */
+	la      t9, mips_cache_reset
+	jalr    t9
+	nop
+
+	/* ... and enable them.
+	 */
+#if defined(CONFIG_IFX_MIPS) && defined(IFX_CACHE_OPER_MODE)
+	IFX_CACHE_OPER_MODE
+#else
+	li	t0, CONF_CM_CACHABLE_NONCOHERENT
+#endif
+	mtc0	t0, CP0_CONFIG
+
+
+	/* Set up temporary stack.
+	 */
+	li	a0, CFG_INIT_SP_OFFSET
+	la      t9, mips_cache_lock
+	jalr    t9
+	nop
+
+	li	t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET
+	la	sp, 0(t0)
+
+	la	t9, board_init_f
+	j	t9
+	nop
+
+#ifdef CFG_HEAD_CODE
+/*
+ * void jump_unconditional (addr)
+ * This function simply jumps to the location pointed by a0.
+ * a0 = target_location
+ *
+ */
+	.globl  jump_unconditional
+	.ent    jump_unconditional
+jump_unconditional:
+	move t9, a0
+	j       t9
+	nop
+	.end    jump_unconditional
+
+#endif
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * a0 = addr_sp
+ * a1 = gd
+ * a2 = destination address
+ */
+	.globl	relocate_code
+	.ent	relocate_code
+relocate_code:
+	move	sp, a0		/* Set new stack pointer		*/
+
+#ifdef CFG_HEAD_CODE
+	li	t0, CFG_HEAD_BASE
+#else
+	li	t0, CFG_MONITOR_BASE
+#endif
+	la	t3, in_ram
+	lw	t2, -12(t3)	/* t2 <-- uboot_end_data	*/
+	move	t1, a2
+
+	/*
+	 * Fix GOT pointer:
+	 *
+	 * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE) + Destination Address
+	 */
+	move	t6, gp
+#ifdef CFG_HEAD_CODE
+	sub	gp, CFG_HEAD_BASE
+#else
+	sub	gp, CFG_MONITOR_BASE
+#endif
+	add	gp, a2			/* gp now adjusted		*/
+	sub	t6, gp, t6		/* t6 <-- relocation offset	*/
+
+	/*
+	 * t0 = source address
+	 * t1 = target address
+	 * t2 = source end address
+	 */
+	/* On the purple board we copy the code earlier in a special way
+	 * in order to solve flash problems
+	 */
+#ifndef CONFIG_PURPLE
+1:
+	lw	t3, 0(t0)
+	sw	t3, 0(t1)
+	addu	t0, 4
+	ble	t0, t2, 1b
+	addu	t1, 4			/* delay slot			*/
+#endif
+
+	/* If caches were enabled, we would have to flush them here.
+	 */
+
+	/* Jump to where we've relocated ourselves.
+	 */
+	addi	t0, a2, in_ram - _start
+	j	t0
+	nop
+
+	.word	uboot_end_data
+	.word	uboot_end
+	.word	num_got_entries
+
+in_ram:
+	/* Now we want to update GOT.
+	 */
+	lw	t3, -4(t0)	/* t3 <-- num_got_entries	*/
+	addi	t4, gp, 8	/* Skipping first two entries.	*/
+	li	t2, 2
+1:
+	lw	t1, 0(t4)
+	beqz	t1, 2f
+	add	t1, t6
+	sw	t1, 0(t4)
+2:
+	addi	t2, 1
+	blt	t2, t3, 1b
+	addi	t4, 4		/* delay slot			*/
+
+	/* Clear BSS.
+	 */
+	lw	t1, -12(t0)	/* t1 <-- uboot_end_data	*/
+	lw	t2, -8(t0)	/* t2 <-- uboot_end		*/
+	add	t1, t6		/* adjust pointers		*/
+	add	t2, t6
+
+	sub	t1, 4
+1:	addi	t1, 4
+	bltl	t1, t2, 1b
+	sw	zero, 0(t1)	/* delay slot			*/
+
+	move	a0, a1
+	la	t9, board_init_r
+	j	t9
+	move	a1, a2		/* delay slot			*/
+
+	.end	relocate_code
+
+
+	/* Exception handlers.
+	 */
+romReserved:
+	b romReserved
+
+romExcHandle:
+	b romExcHandle
+
+	/* Additional handlers.
+	 */
+#if defined(CONFIG_IFX_MIPS)
+#if defined(IFX_MIPS_HANDLER_1)
+ifx_mips_handler_1:
+	IFX_MIPS_HANDLER_1
+#endif
+#endif
+
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/start_bootstrap.S b/package/uboot-ifxmips/files/cpu/mips/danube/start_bootstrap.S
new file mode 100644
index 000000000..cd7a13fab
--- /dev/null
+++ b/package/uboot-ifxmips/files/cpu/mips/danube/start_bootstrap.S
@@ -0,0 +1,428 @@
+/*
+ *  Startup Code for MIPS32 CPU-core
+ *
+ *  Copyright (c) 2003	Wolfgang Denk <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <config.h>
+#include <version.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+
+
+#define RVECENT(f,n) \
+   b f; nop
+#define XVECENT(f,bev) \
+   b f     ;           \
+   li k0,bev
+
+	.set noreorder
+
+	.globl _start_bootstrap
+	.text
+_start_bootstrap:
+	RVECENT(reset,0)	/* U-boot entry point */
+	RVECENT(reset,1)	/* software reboot */
+#if defined(CONFIG_INCA_IP) || defined(CONFIG_INCA_IP2)
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+	.word 0x00000000           /* phase of the flash                    */
+#elif defined(CONFIG_PURPLE)
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+#elif defined(CONFIG_DANUBE)
+
+	.org 0x10
+	.word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
+	.word 0x00000000           /* phase of the flash                    */
+
+	.org 0x18
+	.word 0x312E3000           /* version x.x                           */
+	.word 0x00000000           /* phase of the flash                    */
+#else
+	RVECENT(romReserved,2)
+#endif
+	RVECENT(romReserved,3)
+	RVECENT(romReserved,4)
+	RVECENT(romReserved,5)
+	RVECENT(romReserved,6)
+	RVECENT(romReserved,7)
+	RVECENT(romReserved,8)
+	RVECENT(romReserved,9)
+	RVECENT(romReserved,10)
+	RVECENT(romReserved,11)
+	RVECENT(romReserved,12)
+	RVECENT(romReserved,13)
+	RVECENT(romReserved,14)
+	RVECENT(romReserved,15)
+	RVECENT(romReserved,16)
+	RVECENT(romReserved,17)
+	RVECENT(romReserved,18)
+	RVECENT(romReserved,19)
+	RVECENT(romReserved,20)
+	RVECENT(romReserved,21)
+	RVECENT(romReserved,22)
+	RVECENT(romReserved,23)
+	RVECENT(romReserved,24)
+	RVECENT(romReserved,25)
+	RVECENT(romReserved,26)
+	RVECENT(romReserved,27)
+	RVECENT(romReserved,28)
+	RVECENT(romReserved,29)
+	RVECENT(romReserved,30)
+	RVECENT(romReserved,31)
+	RVECENT(romReserved,32)
+	RVECENT(romReserved,33)
+	RVECENT(romReserved,34)
+	RVECENT(romReserved,35)
+	RVECENT(romReserved,36)
+	RVECENT(romReserved,37)
+	RVECENT(romReserved,38)
+	RVECENT(romReserved,39)
+	RVECENT(romReserved,40)
+	RVECENT(romReserved,41)
+	RVECENT(romReserved,42)
+	RVECENT(romReserved,43)
+	RVECENT(romReserved,44)
+	RVECENT(romReserved,45)
+	RVECENT(romReserved,46)
+	RVECENT(romReserved,47)
+	RVECENT(romReserved,48)
+	RVECENT(romReserved,49)
+	RVECENT(romReserved,50)
+	RVECENT(romReserved,51)
+	RVECENT(romReserved,52)
+	RVECENT(romReserved,53)
+	RVECENT(romReserved,54)
+	RVECENT(romReserved,55)
+	RVECENT(romReserved,56)
+	RVECENT(romReserved,57)
+	RVECENT(romReserved,58)
+	RVECENT(romReserved,59)
+	RVECENT(romReserved,60)
+	RVECENT(romReserved,61)
+	RVECENT(romReserved,62)
+	RVECENT(romReserved,63)
+	XVECENT(romExcHandle,0x200)	/* bfc00200: R4000 tlbmiss vector */
+	RVECENT(romReserved,65)
+	RVECENT(romReserved,66)
+	RVECENT(romReserved,67)
+	RVECENT(romReserved,68)
+	RVECENT(romReserved,69)
+	RVECENT(romReserved,70)
+	RVECENT(romReserved,71)
+	RVECENT(romReserved,72)
+	RVECENT(romReserved,73)
+	RVECENT(romReserved,74)
+	RVECENT(romReserved,75)
+	RVECENT(romReserved,76)
+	RVECENT(romReserved,77)
+	RVECENT(romReserved,78)
+	RVECENT(romReserved,79)
+	XVECENT(romExcHandle,0x280)	/* bfc00280: R4000 xtlbmiss vector */
+	RVECENT(romReserved,81)
+	RVECENT(romReserved,82)
+	RVECENT(romReserved,83)
+	RVECENT(romReserved,84)
+	RVECENT(romReserved,85)
+	RVECENT(romReserved,86)
+	RVECENT(romReserved,87)
+	RVECENT(romReserved,88)
+	RVECENT(romReserved,89)
+	RVECENT(romReserved,90)
+	RVECENT(romReserved,91)
+	RVECENT(romReserved,92)
+	RVECENT(romReserved,93)
+	RVECENT(romReserved,94)
+	RVECENT(romReserved,95)
+	XVECENT(romExcHandle,0x300)	/* bfc00300: R4000 cache vector */
+	RVECENT(romReserved,97)
+	RVECENT(romReserved,98)
+	RVECENT(romReserved,99)
+	RVECENT(romReserved,100)
+	RVECENT(romReserved,101)
+	RVECENT(romReserved,102)
+	RVECENT(romReserved,103)
+	RVECENT(romReserved,104)
+	RVECENT(romReserved,105)
+	RVECENT(romReserved,106)
+	RVECENT(romReserved,107)
+	RVECENT(romReserved,108)
+	RVECENT(romReserved,109)
+	RVECENT(romReserved,110)
+	RVECENT(romReserved,111)
+	XVECENT(romExcHandle,0x380)	/* bfc00380: R4000 general vector */
+	RVECENT(romReserved,113)
+	RVECENT(romReserved,114)
+	RVECENT(romReserved,115)
+	RVECENT(romReserved,116)
+	RVECENT(romReserved,116)
+	RVECENT(romReserved,118)
+	RVECENT(romReserved,119)
+	RVECENT(romReserved,120)
+	RVECENT(romReserved,121)
+	RVECENT(romReserved,122)
+	RVECENT(romReserved,123)
+	RVECENT(romReserved,124)
+	RVECENT(romReserved,125)
+	RVECENT(romReserved,126)
+	RVECENT(romReserved,127)
+
+	/* We hope there are no more reserved vectors!
+	 * 128 * 8 == 1024 == 0x400
+	 * so this is address R_VEC+0x400 == 0xbfc00400
+	 */
+#ifdef CONFIG_PURPLE
+/* 0xbfc00400 */
+	.word	0xdc870000
+	.word	0xfca70000
+	.word	0x20840008
+	.word	0x20a50008
+	.word	0x20c6ffff
+	.word	0x14c0fffa
+	.word	0x00000000
+	.word	0x03e00008
+	.word	0x00000000
+	.word   0x00000000
+/* 0xbfc00428 */
+	.word	0xdc870000
+	.word	0xfca70000
+	.word	0x20840008
+	.word	0x20a50008
+	.word	0x20c6ffff
+	.word	0x14c0fffa
+	.word	0x00000000
+	.word	0x03e00008
+	.word	0x00000000
+	.word   0x00000000
+#endif /* CONFIG_PURPLE */
+	.align 4
+reset:
+#ifdef CONFIG_INCA_IP2
+	/* Check for Host or Voice CPU */
+
+	mfc0    k0, CP0_EBASE 
+	and	k0, EBASEF_CPUNUM
+	srl	k0, EBASEB_CPUNUM
+	subu	k0, EBASE_CPU_HOST
+	bne	k0, zero, voice_reset_handler
+	nop
+	
+#endif
+
+	/* Clear watch registers.
+	 */
+	mtc0	zero, CP0_WATCHLO
+	mtc0	zero, CP0_WATCHHI
+
+	/* STATUS register */
+#ifdef  CONFIG_TB0229
+	li	k0, ST0_CU0
+#else
+	mfc0	k0, CP0_STATUS
+#endif
+	li	k1, ~ST0_IE
+	and	k0, k1
+	mtc0	k0, CP0_STATUS
+
+	/* CAUSE register */
+	mtc0	zero, CP0_CAUSE
+
+#ifdef CONFIG_INCA_IP2
+	/* CONFIG7 register */
+	mfc0	k0, CP0_CONFIG, 7
+	li	k1, 4 /* Disable RPS due to E83 bug of 24KEC */
+	or	k0, k1
+	mtc0	k0, CP0_CONFIG, 7
+#endif	
+	/* Init Timer */
+	mtc0	zero, CP0_COUNT
+	mtc0	zero, CP0_COMPARE
+
+	/* CONFIG0 register */
+	li	t0, CONF_CM_UNCACHED
+	mtc0	t0, CP0_CONFIG
+
+	/* Initialize GOT pointer.
+	*/
+	bal     1f
+	nop
+	.word   _GLOBAL_OFFSET_TABLE_
+	1:
+	move    gp, ra
+	lw      t1, 0(ra)
+	move	gp, t1
+
+#ifdef CONFIG_INCA_IP
+	/* Disable INCA-IP Watchdog.
+	 */
+	la      t9, disable_incaip_wdt
+	jalr    t9
+	nop
+#endif
+
+	/* Initialize any external memory.
+	 */
+	la      t9, lowlevel_init
+	jalr    t9
+	nop
+
+	/* Initialize caches...
+	 */
+	la      t9, mips_cache_reset
+	jalr    t9
+	nop
+
+	/* ... and enable them.
+	 */
+#ifdef CONFIG_MIPS_FORCE_CACHE_WRITE_THROUGH
+    	li  	t0, CONF_CM_CACHABLE_NO_WA
+#else    
+	li	t0, CONF_CM_CACHABLE_NONCOHERENT
+#endif
+	mtc0	t0, CP0_CONFIG
+
+
+	/* Set up temporary stack.
+	 */
+	li	a0, CFG_INIT_SP_OFFSET
+	la      t9, mips_cache_lock
+	jalr    t9
+	nop
+
+	li	t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET
+	la	sp, 0(t0)
+
+	la	t9, bootstrap_board_init_f
+	j	t9
+	nop
+
+
+/*
+ * void bootstrap_relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * a0 = addr_sp
+ * a1 = gd
+ * a2 = destination address
+ */
+	.globl	bootstrap_relocate_code
+	.ent	bootstrap_relocate_code
+bootstrap_relocate_code:
+	move	sp, a0		/* Set new stack pointer		*/
+
+	li	t0, BOOTSTRAP_CFG_MONITOR_BASE
+	la	t3, in_ram
+	lw	t2, -12(t3)	/* t2 <-- uboot_end_data_bootsrap	*/
+	move	t1, a2
+
+	/*
+	 * Fix GOT pointer:
+	 *
+	 * New GOT-PTR = (old GOT-PTR - BOOTSTRAP_CFG_MONITOR_BASE) + Destination Address
+	 */
+	move	t6, gp
+	sub	gp, BOOTSTRAP_CFG_MONITOR_BASE
+	add	gp, a2			/* gp now adjusted		*/
+	sub	t6, gp, t6		/* t6 <-- relocation offset	*/
+
+	/*
+	 * t0 = source address
+	 * t1 = target address
+	 * t2 = source end address
+	 */
+	/* On the purple board we copy the code earlier in a special way
+	 * in order to solve flash problems
+	 */
+#ifndef CONFIG_PURPLE
+1:
+	lw	t3, 0(t0)
+	sw	t3, 0(t1)
+	addu	t0, 4
+	ble	t0, t2, 1b
+	addu	t1, 4			/* delay slot			*/
+#endif
+
+	/* If caches were enabled, we would have to flush them here.
+	 */
+
+	/* Jump to where we've relocated ourselves.
+	 */
+	addi	t0, a2, in_ram - _start_bootstrap
+	j	t0
+	nop
+
+	.word	uboot_end_data_bootstrap
+	.word	uboot_end_bootstrap
+	.word	num_got_entries
+
+in_ram:
+	/* Now we want to update GOT.
+	 */
+	lw	t3, -4(t0)	/* t3 <-- num_got_entries	*/
+	addi	t4, gp, 8	/* Skipping first two entries.	*/
+	li	t2, 2
+1:
+	lw	t1, 0(t4)
+	beqz	t1, 2f
+	add	t1, t6
+	sw	t1, 0(t4)
+2:
+	addi	t2, 1
+	blt	t2, t3, 1b
+	addi	t4, 4		/* delay slot			*/
+
+	/* Clear BSS.
+	 */
+	lw	t1, -12(t0)	/* t1 <-- uboot_end_data_bootstrap	*/
+	lw	t2, -8(t0)	/* t2 <-- uboot_end_bootstrap		*/
+	add	t1, t6		/* adjust pointers		*/
+	add	t2, t6
+
+	sub	t1, 4
+1:	addi	t1, 4
+	bltl	t1, t2, 1b
+	sw	zero, 0(t1)	/* delay slot			*/
+
+	move	a0, a1
+	la	t9, bootstrap_board_init_r
+	j	t9
+	move	a1, a2		/* delay slot			*/
+
+	.end	bootstrap_relocate_code
+
+
+	/* Exception handlers.
+	 */
+romReserved:
+	b romReserved
+
+romExcHandle:
+	b romExcHandle
+
+#ifdef CONFIG_INCA_IP2
+voice_reset_handler:
+	wait
+	b voice_reset_handler
+	nop
+#endif