Patch by Kyle Harris, 20 May 2003:

In preparation for an ixp port, rename cpu/xscale and arch-xscale
into cpu/pxa and arch-pxa.

7 files changed, 0 insertions, 1528 deletions

diff --git a/cpu/xscale/Makefile b/cpu/xscale/Makefile
deleted file mode 100644
index 778a664..0000000
--- a/cpu/xscale/Makefile
+++ /dev/null
@@ -1,43 +0,0 @@
-#
-# (C) Copyright 2000, 2002
-# 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 $(TOPDIR)/config.mk
-
-LIB	= lib$(CPU).a
-
-START	= start.o
-OBJS	= serial.o interrupts.o cpu.o i2c.o
-
-all:	.depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(AR) crv $@ $(OBJS)
-
-#########################################################################
-
-.depend:	Makefile $(START:.o=.S) $(OBJS:.o=.c)
-		$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
-
-sinclude .depend
-
-#########################################################################
diff --git a/cpu/xscale/config.mk b/cpu/xscale/config.mk
deleted file mode 100644
index c40dcf8..0000000
--- a/cpu/xscale/config.mk
+++ /dev/null
@@ -1,28 +0,0 @@
-#
-# (C) Copyright 2002
-# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
-# Marius Groeger <mgroeger@sysgo.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
-#
-
-PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
-	-mshort-load-bytes -msoft-float
-
-PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
diff --git a/cpu/xscale/cpu.c b/cpu/xscale/cpu.c
deleted file mode 100644
index 6a3c24d..0000000
--- a/cpu/xscale/cpu.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.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
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-
-int cpu_init (void)
-{
-	/*
-	 * setup up stack if necessary
-	 */
-/*
-
-  FIXME: the stack is _below_ the uboot code!!
-
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_end +
-			CONFIG_STACKSIZE + CONFIG_STACKSIZE_IRQ - 4;
-	FIQ_STACK_START = IRQ_STACK_START + CONFIG_STACKSIZE_FIQ;
-	_armboot_real_end = FIQ_STACK_START + 4;
-#else
-	_armboot_real_end = _armboot_end + CONFIG_STACKSIZE;
-#endif
-*/
-	return (0);
-}
-
-int cleanup_before_linux (void)
-{
-	/*
-	 * this function is called just before we call linux
-	 * it prepares the processor for linux
-	 *
-	 * just disable everything that can disturb booting linux
-	 */
-
-	unsigned long i;
-
-	disable_interrupts ();
-
-	/* turn off I-cache */
-	asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-	i &= ~0x1000;
-	asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-
-	/* flush I-cache */
-	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
-
-	return (0);
-}
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	extern void reset_cpu (ulong addr);
-
-	printf ("reseting ...\n");
-
-	udelay (50000);				/* wait 50 ms */
-	disable_interrupts ();
-	reset_cpu (0);
-
-	/*NOTREACHED*/
-	return (0);
-}
-
-/* taken from blob */
-void icache_enable (void)
-{
-	register u32 i;
-
-	/* read control register */
-	asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
-	/* set i-cache */
-	i |= 0x1000;
-
-	/* write back to control register */
-	asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-}
-
-void icache_disable (void)
-{
-	register u32 i;
-
-	/* read control register */
-	asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
-	/* clear i-cache */
-	i &= ~0x1000;
-
-	/* write back to control register */
-	asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-
-	/* flush i-cache */
-	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
-}
-
-int icache_status (void)
-{
-	register u32 i;
-
-	/* read control register */
-	asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
-	/* return bit */
-	return (i & 0x1000);
-}
-
-/* we will never enable dcache, because we have to setup MMU first */
-void dcache_enable (void)
-{
-	return;
-}
-
-void dcache_disable (void)
-{
-	return;
-}
-
-int dcache_status (void)
-{
-	return 0;					/* always off */
-}
diff --git a/cpu/xscale/i2c.c b/cpu/xscale/i2c.c
deleted file mode 100644
index 406f825..0000000
--- a/cpu/xscale/i2c.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * (C) Copyright 2000
- * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
- *
- * (C) Copyright 2000 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2003 Pengutronix e.K.
- * Robert Schwebel <r.schwebel@pengutronix.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
- *
- * Back ported to the 8xx platform (from the 8260 platform) by
- * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
- */
-
-/* FIXME: this file is PXA255 specific! What about other XScales? */
-
-#include <common.h>
-
-#ifdef CONFIG_HARD_I2C
-
-/* 
- *	- CFG_I2C_SPEED 
- *	- I2C_PXA_SLAVE_ADDR 
- */
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <i2c.h>
-
-//#define	DEBUG_I2C 	1	/* activate local debugging output  */
-#define I2C_PXA_SLAVE_ADDR	0x1	/* slave pxa unit address           */
-#define I2C_ICR_INIT		(ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
-#define I2C_ISR_INIT		0x7FF
-
-#ifdef DEBUG_I2C
-#define PRINTD(x) printf x
-#else
-#define PRINTD(x)
-#endif
-
-
-/* Shall the current transfer have a start/stop condition? */
-#define I2C_COND_NORMAL		0
-#define I2C_COND_START		1
-#define I2C_COND_STOP		2
-
-/* Shall the current transfer be ack/nacked or being waited for it? */
-#define I2C_ACKNAK_WAITACK	1	
-#define I2C_ACKNAK_SENDACK	2
-#define I2C_ACKNAK_SENDNAK	4
-
-/* Specify who shall transfer the data (master or slave) */
-#define I2C_READ		0
-#define I2C_WRITE		1
-
-/* All transfers are described by this data structure */
-struct i2c_msg {
-	u8 condition;
-	u8 acknack; 
-	u8 direction; 
-	u8 data;
-};
-
-
-/**
- * i2c_pxa_reset: - reset the host controller 
- *
- */
-
-static void i2c_reset( void )
-{
-	ICR &= ~ICR_IUE;		/* disable unit */
-        ICR |= ICR_UR;			/* reset the unit */
-        udelay(100);
-        ICR &= ~ICR_IUE;		/* disable unit */
-        CKEN |= CKEN14_I2C;		/* set the global I2C clock on */
-        ISAR = I2C_PXA_SLAVE_ADDR;	/* set our slave address */
-        ICR = I2C_ICR_INIT;		/* set control register values */
-        ISR = I2C_ISR_INIT;		/* set clear interrupt bits */
-        ICR |= ICR_IUE;			/* enable unit */
-        udelay(100);
-}
-
-
-/**
- * i2c_isr_set_cleared: - wait until certain bits of the I2C status register 
- *	                  are set and cleared
- *
- * @return: 0 in case of success, 1 means timeout (no match within 10 ms). 
- */
-
-static int i2c_isr_set_cleared( unsigned long set_mask, unsigned long cleared_mask )
-{
-	int timeout = 10000;
-
-	while( ((ISR & set_mask)!=set_mask) || ((ISR & cleared_mask)!=0) ){
-		udelay( 10 );
-		if( timeout-- < 0 ) return 0;
-	}
-
-        return 1;
-}
-
-
-/**
- * i2c_transfer: - Transfer one byte over the i2c bus
- *
- * This function can tranfer a byte over the i2c bus in both directions. 
- * It is used by the public API functions. 
- *
- * @return:  0: transfer successful
- *          -1: message is empty
- *          -2: transmit timeout
- *          -3: ACK missing
- *          -4: receive timeout
- *          -5: illegal parameters
- *          -6: bus is busy and couldn't be aquired
- */ 
-int i2c_transfer(struct i2c_msg *msg)
-{
-	int ret;
-
-	if (!msg) 
-		goto transfer_error_msg_empty;
-
-	switch(msg->direction) {
-
-	case I2C_WRITE:
-
-		/* check if bus is not busy */
-		if (!i2c_isr_set_cleared(0,ISR_IBB))
-			goto transfer_error_bus_busy;
-
-		/* start transmission */
-		ICR &= ~ICR_START;
-		ICR &= ~ICR_STOP;
-		IDBR = msg->data;
-		if (msg->condition == I2C_COND_START)     ICR |=  ICR_START;
-		if (msg->condition == I2C_COND_STOP)      ICR |=  ICR_STOP; 
-		if (msg->acknack   == I2C_ACKNAK_SENDNAK) ICR |=  ICR_ACKNAK;
-		if (msg->acknack   == I2C_ACKNAK_SENDACK) ICR &= ~ICR_ACKNAK;
-		ICR &= ~ICR_ALDIE;
-		ICR |= ICR_TB; 
-
-		/* transmit register empty? */
-		if (!i2c_isr_set_cleared(ISR_ITE,0)) 
-			goto transfer_error_transmit_timeout;
-
-		/* clear 'transmit empty' state */
-		ISR |= ISR_ITE;
-
-		/* wait for ACK from slave */
-		if (msg->acknack == I2C_ACKNAK_WAITACK)
-			if (!i2c_isr_set_cleared(0,ISR_ACKNAK)) 
-				goto transfer_error_ack_missing;
-		break;
-
-	case I2C_READ:
-
-		/* check if bus is not busy */
-		if (!i2c_isr_set_cleared(0,ISR_IBB))
-			goto transfer_error_bus_busy;
-
-		/* start receive */
-		ICR &= ~ICR_START;
-		ICR &= ~ICR_STOP;
-		if (msg->condition == I2C_COND_START) 	  ICR |= ICR_START;
-		if (msg->condition == I2C_COND_STOP)  	  ICR |= ICR_STOP;
-		if (msg->acknack   == I2C_ACKNAK_SENDNAK) ICR |=  ICR_ACKNAK;
-		if (msg->acknack   == I2C_ACKNAK_SENDACK) ICR &= ~ICR_ACKNAK;
-		ICR &= ~ICR_ALDIE;
-		ICR |= ICR_TB;
-
-		/* receive register full? */
-		if (!i2c_isr_set_cleared(ISR_IRF,0)) 
-			goto transfer_error_receive_timeout; 
-
-		msg->data = IDBR;
-
-		/* clear 'receive empty' state */
-		ISR |= ISR_IRF;
-
-		break;
-
-	default:
-
-		goto transfer_error_illegal_param;
-
-	}
-
-	return 0; 
-
-transfer_error_msg_empty: 
-		PRINTD(("i2c_transfer: error: 'msg' is empty\n"));
-		ret = -1; goto i2c_transfer_finish;
-
-transfer_error_transmit_timeout:
-		PRINTD(("i2c_transfer: error: transmit timeout\n"));
-		ret = -2; goto i2c_transfer_finish;
-
-transfer_error_ack_missing:
-		PRINTD(("i2c_transfer: error: ACK missing\n"));
-		ret = -3; goto i2c_transfer_finish;
-
-transfer_error_receive_timeout:
-		PRINTD(("i2c_transfer: error: receive timeout\n"));
-		ret = -4; goto i2c_transfer_finish;
-
-transfer_error_illegal_param:
-		PRINTD(("i2c_transfer: error: illegal parameters\n"));
-		ret = -5; goto i2c_transfer_finish;
-
-transfer_error_bus_busy:
-		PRINTD(("i2c_transfer: error: bus is busy\n"));
-		ret = -6; goto i2c_transfer_finish;
-
-i2c_transfer_finish:
-		PRINTD(("i2c_transfer: ISR: 0x%04x\n",ISR));
-		i2c_reset();
-		return ret;
-
-}
-
-/* ------------------------------------------------------------------------ */
-/* API Functions                                                            */
-/* ------------------------------------------------------------------------ */
-
-void i2c_init(int speed, int slaveaddr)
-{
-#ifdef CFG_I2C_INIT_BOARD        
-	/* call board specific i2c bus reset routine before accessing the   */
-	/* environment, which might be in a chip on that bus. For details   */
-	/* about this problem see doc/I2C_Edge_Conditions.                  */
-	i2c_init_board();
-#endif
-}
-
-
-/**
- * i2c_probe: - Test if a chip answers for a given i2c address
- *
- * @chip:	address of the chip which is searched for 
- * @return: 	0 if a chip was found, -1 otherwhise
- */
-
-int i2c_probe(uchar chip)
-{
-	struct i2c_msg msg;
-
-	i2c_reset();
-
-	msg.condition = I2C_COND_START;
-	msg.acknack   = I2C_ACKNAK_WAITACK;
-	msg.direction = I2C_WRITE;
-	msg.data      = (chip << 1) + 1;
-	if (i2c_transfer(&msg)) return -1;
-
-	msg.condition = I2C_COND_STOP;
-	msg.acknack   = I2C_ACKNAK_SENDNAK;
-	msg.direction = I2C_READ;
-	msg.data      = 0x00;
-	if (i2c_transfer(&msg)) return -1;
-
-	return 0;
-}
-
-
-/**
- * i2c_read: - Read multiple bytes from an i2c device
- *
- * The higher level routines take into account that this function is only
- * called with len < page length of the device (see configuration file) 
- *
- * @chip:	address of the chip which is to be read
- * @addr:	i2c data address within the chip
- * @alen:	length of the i2c data address (1..2 bytes)
- * @buffer:	where to write the data
- * @len:	how much byte do we want to read
- * @return:	0 in case of success
- */
-
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-	struct i2c_msg msg;
-	u8 addr_bytes[3]; /* lowest...highest byte of data address */
-	int ret;
-
-	PRINTD(("i2c_read(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n",chip,addr,alen,len));
-
-	i2c_reset();
-
-	/* dummy chip address write */
-	PRINTD(("i2c_read: dummy chip address write\n"));
-	msg.condition = I2C_COND_START;
-	msg.acknack   = I2C_ACKNAK_WAITACK;
-	msg.direction = I2C_WRITE;
-	msg.data      = (chip << 1);
-	msg.data     &= 0xFE;
-	if ((ret=i2c_transfer(&msg))) return -1;
-	
-	/*
-	 * send memory address bytes; 
-	 * alen defines how much bytes we have to send. 
-	 */
-	//addr &= ((1 << CFG_EEPROM_PAGE_WRITE_BITS)-1);
-	addr_bytes[0] = (u8)((addr >>  0) & 0x000000FF);
-	addr_bytes[1] = (u8)((addr >>  8) & 0x000000FF);
-	addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF);
-
-	while (--alen >= 0) {
-
-		PRINTD(("i2c_read: send memory word address byte %1d\n",alen));
-		msg.condition = I2C_COND_NORMAL;
-		msg.acknack   = I2C_ACKNAK_WAITACK;
-		msg.direction = I2C_WRITE;
-		msg.data      = addr_bytes[alen];
-		if ((ret=i2c_transfer(&msg))) return -1;
-	}
-	
-
-	/* start read sequence */
-	PRINTD(("i2c_read: start read sequence\n"));
-	msg.condition = I2C_COND_START;
-	msg.acknack   = I2C_ACKNAK_WAITACK;
-	msg.direction = I2C_WRITE;
-	msg.data      = (chip << 1);
-	msg.data     |= 0x01;
-	if ((ret=i2c_transfer(&msg))) return -1;
-
-	/* read bytes; send NACK at last byte */
-	while (len--) {
-
-		if (len==0) { 
-			msg.condition = I2C_COND_STOP;
-			msg.acknack   = I2C_ACKNAK_SENDNAK;
-		} else {
-			msg.condition = I2C_COND_NORMAL;
-			msg.acknack   = I2C_ACKNAK_SENDACK;
-		}
-
-		msg.direction = I2C_READ;
-		msg.data      = 0x00;
-		if ((ret=i2c_transfer(&msg))) return -1;
-
-		*(buffer++) = msg.data;
-
-		PRINTD(("i2c_read: reading byte (0x%08x)=0x%02x\n",(unsigned int)buffer,*buffer));
-
-	}
-
-	i2c_reset();
-
-	return 0;
-}
-
-
-/**
- * i2c_write: -  Write multiple bytes to an i2c device
- *
- * The higher level routines take into account that this function is only
- * called with len < page length of the device (see configuration file) 
- *
- * @chip:	address of the chip which is to be written
- * @addr:	i2c data address within the chip
- * @alen:	length of the i2c data address (1..2 bytes)
- * @buffer:	where to find the data to be written 
- * @len:	how much byte do we want to read
- * @return:	0 in case of success
- */
-
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-	struct i2c_msg msg;
-	u8 addr_bytes[3]; /* lowest...highest byte of data address */
-
-	PRINTD(("i2c_write(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n",chip,addr,alen,len));
-
-	i2c_reset();
-
-	/* chip address write */
-	PRINTD(("i2c_write: chip address write\n"));
-	msg.condition = I2C_COND_START;
-	msg.acknack   = I2C_ACKNAK_WAITACK;
-	msg.direction = I2C_WRITE;
-	msg.data      = (chip << 1);
-	msg.data     &= 0xFE;
-	if (i2c_transfer(&msg)) return -1;
-	
-	/*
-	 * send memory address bytes; 
-	 * alen defines how much bytes we have to send. 
-	 */
-	addr_bytes[0] = (u8)((addr >>  0) & 0x000000FF);
-	addr_bytes[1] = (u8)((addr >>  8) & 0x000000FF);
-	addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF);
-
-	while (--alen >= 0) {
-
-		PRINTD(("i2c_write: send memory word address\n"));
-		msg.condition = I2C_COND_NORMAL;
-		msg.acknack   = I2C_ACKNAK_WAITACK;
-		msg.direction = I2C_WRITE;
-		msg.data      = addr_bytes[alen];
-		if (i2c_transfer(&msg)) return -1;
-	}
-		
-	/* write bytes; send NACK at last byte */
-	while (len--) {
-
-		PRINTD(("i2c_write: writing byte (0x%08x)=0x%02x\n",(unsigned int)buffer,*buffer));
-
-		if (len==0) 
-			msg.condition = I2C_COND_STOP;
-		else
-			msg.condition = I2C_COND_NORMAL;
-
-		msg.acknack   = I2C_ACKNAK_WAITACK;
-		msg.direction = I2C_WRITE;
-		msg.data      = *(buffer++);
-		
-		if (i2c_transfer(&msg)) return -1;
-
-	}
-
-	i2c_reset();
-
-	return 0;
-
-}
-
-uchar i2c_reg_read (uchar chip, uchar reg)
-{
-	PRINTD(("i2c_reg_read(chip=0x%02x, reg=0x%02x)\n",chip,reg));
-	return 0;
-}
-
-void  i2c_reg_write(uchar chip, uchar reg, uchar val)
-{
-	PRINTD(("i2c_reg_write(chip=0x%02x, reg=0x%02x, val=0x%02x)\n",chip,reg,val));
-}
-
-#endif	/* CONFIG_HARD_I2C */
diff --git a/cpu/xscale/interrupts.c b/cpu/xscale/interrupts.c
deleted file mode 100644
index af7d634..0000000
--- a/cpu/xscale/interrupts.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.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/arch/pxa-regs.h>
-
-extern void reset_cpu (ulong addr);
-
-#ifdef CONFIG_USE_IRQ
-/* enable IRQ/FIQ interrupts */
-void enable_interrupts (void)
-{
-#error: interrupts not implemented yet
-}
-
-
-/*
- * disable IRQ/FIQ interrupts
- * returns true if interrupts had been enabled before we disabled them
- */
-int disable_interrupts (void)
-{
-#error: interrupts not implemented yet
-}
-#else
-void enable_interrupts (void)
-{
-	return;
-}
-int disable_interrupts (void)
-{
-	return 0;
-}
-#endif
-
-
-
-void bad_mode (void)
-{
-	panic ("Resetting CPU ...\n");
-	reset_cpu (0);
-}
-
-void show_regs (struct pt_regs *regs)
-{
-	unsigned long flags;
-	const char *processor_modes[] = {
-	"USER_26",	"FIQ_26",	"IRQ_26",	"SVC_26",
-	"UK4_26",	"UK5_26",	"UK6_26",	"UK7_26",
-	"UK8_26",	"UK9_26",	"UK10_26",	"UK11_26",
-	"UK12_26",	"UK13_26",	"UK14_26",	"UK15_26",
-	"USER_32",	"FIQ_32",	"IRQ_32",	"SVC_32",
-	"UK4_32",	"UK5_32",	"UK6_32",	"ABT_32",
-	"UK8_32",	"UK9_32",	"UK10_32",	"UND_32",
-	"UK12_32",	"UK13_32",	"UK14_32",	"SYS_32"
-	};
-
-	flags = condition_codes (regs);
-
-	printf ("pc : [<%08lx>]    lr : [<%08lx>]\n"
-		"sp : %08lx  ip : %08lx  fp : %08lx\n",
-		instruction_pointer (regs),
-		regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
-	printf ("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
-		regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
-	printf ("r7 : %08lx  r6 : %08lx  r5 : %08lx  r4 : %08lx\n",
-		regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
-	printf ("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
-		regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
-	printf ("Flags: %c%c%c%c",
-		flags & CC_N_BIT ? 'N' : 'n',
-		flags & CC_Z_BIT ? 'Z' : 'z',
-		flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
-	printf ("  IRQs %s  FIQs %s  Mode %s%s\n",
-		interrupts_enabled (regs) ? "on" : "off",
-		fast_interrupts_enabled (regs) ? "on" : "off",
-		processor_modes[processor_mode (regs)],
-		thumb_mode (regs) ? " (T)" : "");
-}
-
-void do_undefined_instruction (struct pt_regs *pt_regs)
-{
-	printf ("undefined instruction\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_software_interrupt (struct pt_regs *pt_regs)
-{
-	printf ("software interrupt\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_prefetch_abort (struct pt_regs *pt_regs)
-{
-	printf ("prefetch abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_data_abort (struct pt_regs *pt_regs)
-{
-	printf ("data abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_not_used (struct pt_regs *pt_regs)
-{
-	printf ("not used\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_fiq (struct pt_regs *pt_regs)
-{
-	printf ("fast interrupt request\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_irq (struct pt_regs *pt_regs)
-{
-	printf ("interrupt request\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-
-int interrupt_init (void)
-{
-	/* nothing happens here - we don't setup any IRQs */
-	return (0);
-}
-
-void reset_timer (void)
-{
-	reset_timer_masked ();
-}
-
-ulong get_timer (ulong base)
-{
-	return get_timer_masked ();
-}
-
-void set_timer (ulong t)
-{
-	/* nop */
-}
-
-void udelay (unsigned long usec)
-{
-	udelay_masked (usec);
-}
-
-
-void reset_timer_masked (void)
-{
-	OSCR = 0;
-}
-
-ulong get_timer_masked (void)
-{
-	return OSCR;
-}
-
-void udelay_masked (unsigned long usec)
-{
-	ulong tmo;
-
-	tmo = usec / 1000;
-	tmo *= CFG_HZ;
-	tmo /= 1000;
-
-	reset_timer_masked ();
-
-	while (tmo >= get_timer_masked ())
-		/*NOP*/;
-}
diff --git a/cpu/xscale/serial.c b/cpu/xscale/serial.c
deleted file mode 100644
index c9d5f70..0000000
--- a/cpu/xscale/serial.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * 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/arch/pxa-regs.h>
-
-void serial_setbrg (void)
-{
-	DECLARE_GLOBAL_DATA_PTR;
-
-	unsigned int quot = 0;
-
-	if (gd->baudrate == 1200)
-		quot = 192;
-	else if (gd->baudrate == 9600)
-		quot = 96;
-	else if (gd->baudrate == 19200)
-		quot = 48;
-	else if (gd->baudrate == 38400)
-		quot = 24;
-	else if (gd->baudrate == 57600)
-		quot = 16;
-	else if (gd->baudrate == 115200)
-		quot = 8;
-	else
-		hang ();
-
-#ifdef CONFIG_FFUART
-
-	CKEN |= CKEN6_FFUART;
-
-	FFIER = 0;					/* Disable for now */
-	FFFCR = 0;					/* No fifos enabled */
-
-	/* set baud rate */
-	FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB;
-	FFDLL = quot & 0xff;
-	FFDLH = quot >> 8;
-	FFLCR = LCR_WLS0 | LCR_WLS1;
-
-	FFIER = IER_UUE;			/* Enable FFUART */
-
-#elif defined(CONFIG_BTUART)
-	CKEN |= CKEN7_BTUART;
-
-	BTIER = 0;
-	BTFCR = 0;
-
-	/* set baud rate */
-	BTLCR = LCR_DLAB;
-	BTDLL = quot & 0xff;
-	BTDLH = quot >> 8;
-	BTLCR = LCR_WLS0 | LCR_WLS1;
-
-	BTIER = IER_UUE;			/* Enable BFUART */
-
-#elif defined(CONFIG_STUART)
-#error "Bad: not implemented yet!"
-#else
-#error "Bad: you didn't configured serial ..."
-#endif
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
-	serial_setbrg ();
-
-	return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
-#ifdef CONFIG_FFUART
-	/* wait for room in the tx FIFO on FFUART */
-	while ((FFLSR & LSR_TEMT) == 0);
-
-	FFTHR = c;
-#elif defined(CONFIG_BTUART)
-	while ((BTLSR & LSR_TEMT ) == 0 );
-	BTTHR = c;
-#elif defined(CONFIG_STUART)
-#endif
-
-	/* If \n, also do \r */
-	if (c == '\n')
-		serial_putc ('\r');
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-int serial_tstc (void)
-{
-#ifdef CONFIG_FFUART
-	return FFLSR & LSR_DR;
-#elif defined(CONFIG_BTUART)
-	return BTLSR & LSR_DR;
-#elif defined(CONFIG_STUART)
-#endif
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-int serial_getc (void)
-{
-#ifdef CONFIG_FFUART
-	while (!(FFLSR & LSR_DR));
-
-	return (char) FFRBR & 0xff;
-#elif defined(CONFIG_BTUART)
-	while (!(BTLSR & LSR_DR));
-
-	return (char) BTRBR & 0xff;
-#elif defined(CONFIG_STUART)
-#endif
-}
-
-void
-serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
diff --git a/cpu/xscale/start.S b/cpu/xscale/start.S
deleted file mode 100644
index 95b30e4..0000000
--- a/cpu/xscale/start.S
+++ /dev/null
@@ -1,474 +0,0 @@
-/*
- *  armboot - Startup Code for XScale
- *
- *  Copyright (C) 1998	Dan Malek <dmalek@jlc.net>
- *  Copyright (C) 1999	Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- *  Copyright (C) 2000	Wolfgang Denk <wd@denx.de>
- *  Copyright (C) 2001	Alex Züpke <azu@sysgo.de>
- *  Copyright (C) 2002	Kyle Harris <kharris@nexus-tech.net>
- *  Copyright (C) 2003  Robert Schwebel <r.schwebel@pengutronix.de>
- *  Copyright (C) 2003  Kai-Uwe Bloehm <kai-uwe.bloem@auerswald.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>
-
-.globl _start
-_start: b	reset
-	ldr	pc, _undefined_instruction
-	ldr	pc, _software_interrupt
-	ldr	pc, _prefetch_abort
-	ldr	pc, _data_abort
-	ldr	pc, _not_used
-	ldr	pc, _irq
-	ldr	pc, _fiq
-
-_undefined_instruction: .word undefined_instruction
-_software_interrupt:	.word software_interrupt
-_prefetch_abort:	.word prefetch_abort
-_data_abort:		.word data_abort
-_not_used:		.word not_used
-_irq:			.word irq
-_fiq:			.word fiq
-
-	.balignl 16,0xdeadbeef
-
-
-/*
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * - relocate armboot to ram
- * - setup stack
- * - jump to second stage
- */
-
-/*
- * CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
- */
-_TEXT_BASE:
-	.word	TEXT_BASE
-
-.globl _armboot_start
-_armboot_start:
-	.word _start
-
-/*
- * Note: _armboot_end_data and _armboot_end are defined
- * by the (board-dependent) linker script.
- * _armboot_end_data is the first usable FLASH address after armboot
- */
-.globl _armboot_end_data
-_armboot_end_data:
-	.word armboot_end_data
-.globl _armboot_end
-_armboot_end:
-	.word armboot_end
-
-/*
- * This is defined in the board specific linker script
- */
-.globl _bss_start	
-_bss_start:	
-	.word bss_start
-
-.globl _bss_end
-_bss_end:
-	.word bss_end
-
-/*
- * _armboot_real_end is the first usable RAM address behind armboot
- * and the various stacks
- */
-.globl _armboot_real_end
-_armboot_real_end:
-	.word 0x0badc0de
-
-/*
- * We relocate uboot to this address (end of RAM - 128 KiB)
- */
-.globl _uboot_reloc
-_uboot_reloc:
-	.word TEXT_BASE
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
-	.word	0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
-	.word 0x0badc0de
-#endif
-
-
-/****************************************************************************/
-/*									    */
-/* the actual reset code						    */
-/*									    */
-/****************************************************************************/
-
-reset:
-	mrs	r0,cpsr			/* set the cpu to SVC32 mode	    */
-	bic	r0,r0,#0x1f		/* (superviser mode, M=10011)	    */
-	orr	r0,r0,#0x13
-	msr	cpsr,r0
-
-	bl	cpu_init_crit		/* we do sys-critical inits	    */
-
-relocate:				/* relocate U-Boot to RAM	    */
-	adr	r0, _start		/* r0 <- current position of code   */
-	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */	
-	cmp     r0, r1                  /* don't reloc during debug         */
-	beq     stack_setup
-
-	ldr	r2, _armboot_start
-	ldr	r3, _armboot_end
-	sub	r2, r3, r2		/* r2 <- size of armboot            */
-	add	r2, r0, r2		/* r2 <- source end address         */
-
-copy_loop:
-	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
-	cmp	r0, r2			/* until source end addreee [r2]    */
-	ble	copy_loop
-
-	/* Set up the stack						    */
-
-stack_setup:
-
-	ldr	r0, _uboot_reloc	/* upper 128 KiB: relocated uboot   */
-	sub	r0, r0, #CFG_MALLOC_LEN /* malloc area			    */
-					/* FIXME: bdinfo should be here	    */
-	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
-
-clear_bss:
-
-	ldr	r0, _bss_start		/* find start of bss segment        */
-	add	r0, r0, #4		/* start at first byte of bss       */
-	ldr	r1, _bss_end		/* stop here                        */
-	mov 	r2, #0x00000000		/* clear                            */
-
-clbss_l:str	r2, [r0]		/* clear loop...                    */
-	add	r0, r0, #4
-	cmp	r0, r1
-	bne	clbss_l	 
-
-
-	ldr	pc, _start_armboot
-
-_start_armboot: .word start_armboot
-
-
-/****************************************************************************/
-/*									    */
-/* CPU_init_critical registers						    */
-/*									    */
-/* - setup important registers						    */
-/* - setup memory timing						    */
-/*									    */
-/****************************************************************************/
-
-/* Interrupt-Controller base address				            */
-IC_BASE:	   .word	   0x40d00000
-#define ICMR	0x04
-
-/* Reset-Controller */
-RST_BASE:	.word	0x40f00030
-#define RCSR	0x00
-
-/* Operating System Timer */
-OSTIMER_BASE:	.word	0x40a00000
-#define OSMR3	0x0C
-#define OSCR	0x10
-#define OWER	0x18
-#define OIER	0x1C
-
-/* Clock Manager Registers					            */
-CC_BASE:	.word	0x41300000
-#define CCCR	0x00
-cpuspeed:	.word	CFG_CPUSPEED
-
-
-	/* RS: ???							    */
-	.macro CPWAIT
-	mrc  p15,0,r0,c2,c0,0
-	mov  r0,r0
-	sub  pc,pc,#4
-	.endm
-
-
-cpu_init_crit:
-
-	/* mask all IRQs						    */
-	ldr	r0, IC_BASE
-	mov	r1, #0x00
-	str	r1, [r0, #ICMR]
-
-#if defined(CFG_CPUSPEED)
-
-	/* set clock speed */
-	ldr	r0, CC_BASE
-	ldr	r1, cpuspeed
-	str	r1, [r0, #CCCR]
-	mov	r0, #2
-	mcr	p14, 0, r0, c6, c0, 0
-
-setspeed_done:
-#endif
-
-	/*
-	 * before relocating, we have to setup RAM timing
-	 * because memory timing is board-dependend, you will
-	 * find a memsetup.S in your board directory.
-	 */
-	mov	ip,	lr
-	bl	memsetup
-	mov	lr,	ip
-
-	/* Memory interfaces are working. Disable MMU and enable I-cache.   */
-
-	ldr	r0, =0x2001		/* enable access to all coproc.	    */
-	mcr	p15, 0, r0, c15, c1, 0
-	CPWAIT
-
-	mcr	p15, 0, r0, c7, c10, 4	/* drain the write & fill buffers   */
-	CPWAIT
-
-	mcr	p15, 0, r0, c7, c7, 0	/* flush Icache, Dcache and BTB	    */
-	CPWAIT
-
-	mcr	p15, 0, r0, c8, c7, 0	/* flush instuction and data TLBs   */
-	CPWAIT
-
-	/* Enable the Icache						    */
-/*
-	mrc	p15, 0, r0, c1, c0, 0
-	orr	r0, r0, #0x1800
-	mcr	p15, 0, r0, c1, c0, 0
-	CPWAIT
-*/
-	mov	pc, lr
-
-
-/****************************************************************************/
-/*									    */
-/* Interrupt handling							    */
-/*									    */
-/****************************************************************************/
-
-/* IRQ stack frame							    */
-
-#define S_FRAME_SIZE	72
-
-#define S_OLD_R0	68
-#define S_PSR		64
-#define S_PC		60
-#define S_LR		56
-#define S_SP		52
-
-#define S_IP		48
-#define S_FP		44
-#define S_R10		40
-#define S_R9		36
-#define S_R8		32
-#define S_R7		28
-#define S_R6		24
-#define S_R5		20
-#define S_R4		16
-#define S_R3		12
-#define S_R2		8
-#define S_R1		4
-#define S_R0		0
-
-#define MODE_SVC 0x13
-
-	/* use bad_save_user_regs for abort/prefetch/undef/swi ...	    */
-
-	.macro	bad_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE
-	stmia	sp, {r0 - r12}			/* Calling r0-r12	    */
-	add	r8, sp, #S_PC
-
-	ldr	r2, _armboot_end
-	add	r2, r2, #CONFIG_STACKSIZE
-	sub	r2, r2, #8
-	ldmia	r2, {r2 - r4}			/* get pc, cpsr, old_r0	    */
-	add	r0, sp, #S_FRAME_SIZE		/* restore sp_SVC	    */
-
-	add	r5, sp, #S_SP
-	mov	r1, lr
-	stmia	r5, {r0 - r4}			/* save sp_SVC, lr_SVC, pc, cpsr, old_r */
-	mov	r0, sp
-	.endm
-
-
-	/* use irq_save_user_regs / irq_restore_user_regs for		     */
-	/* IRQ/FIQ handling						     */
-
-	.macro	irq_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE
-	stmia	sp, {r0 - r12}			/* Calling r0-r12	     */
-	add	r8, sp, #S_PC
-	stmdb	r8, {sp, lr}^			/* Calling SP, LR	     */
-	str	lr, [r8, #0]			/* Save calling PC	     */
-	mrs	r6, spsr
-	str	r6, [r8, #4]			/* Save CPSR		     */
-	str	r0, [r8, #8]			/* Save OLD_R0		     */
-	mov	r0, sp
-	.endm
-
-	.macro	irq_restore_user_regs
-	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
-	mov	r0, r0
-	ldr	lr, [sp, #S_PC]			@ Get PC
-	add	sp, sp, #S_FRAME_SIZE
-	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
-	.endm
-
-	.macro get_bad_stack
-	ldr	r13, _armboot_end		@ setup our mode stack
-	add	r13, r13, #CONFIG_STACKSIZE	@ resides at top of normal stack
-	sub	r13, r13, #8
-
-	str	lr, [r13]			@ save caller lr / spsr
-	mrs	lr, spsr
-	str	lr, [r13, #4]
-
-	mov	r13, #MODE_SVC			@ prepare SVC-Mode
-	msr	spsr_c, r13
-	mov	lr, pc
-	movs	pc, lr
-	.endm
-
-	.macro get_irq_stack			@ setup IRQ stack
-	ldr	sp, IRQ_STACK_START
-	.endm
-
-	.macro get_fiq_stack			@ setup FIQ stack
-	ldr	sp, FIQ_STACK_START
-	.endm
-
-
-/****************************************************************************/
-/*									    */
-/* exception handlers							    */
-/*									    */
-/****************************************************************************/
-
-	.align	5
-undefined_instruction:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_undefined_instruction
-
-	.align	5
-software_interrupt:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_software_interrupt
-
-	.align	5
-prefetch_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_prefetch_abort
-
-	.align	5
-data_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_data_abort
-
-	.align	5
-not_used:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
-	.align	5
-irq:
-	get_irq_stack
-	irq_save_user_regs
-	bl	do_irq
-	irq_restore_user_regs
-
-	.align	5
-fiq:
-	get_fiq_stack
-	irq_save_user_regs		/* someone ought to write a more    */
-	bl	do_fiq			/* effiction fiq_save_user_regs	    */
-	irq_restore_user_regs
-
-#else
-
-	.align	5
-irq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_irq
-
-	.align	5
-fiq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_fiq
-
-#endif
-
-/****************************************************************************/
-/*                                                                          */
-/* Reset function: the PXA250 doesn't have a reset function, so we have to  */
-/* perform a watchdog timeout for a soft reset.                             */
-/*                                                                          */
-/****************************************************************************/
-
-	.align	5
-.globl reset_cpu
-
-	/* FIXME: this code is PXA250 specific. How is this handled on      */
-	/*        other XScale processors?                                  */
-
-reset_cpu:
-
-	/* We set OWE:WME (watchdog enable) and wait until timeout happens  */
-
-	ldr	r0, OSTIMER_BASE
-	ldr	r1, [r0, #OWER]
-	orr	r1, r1, #0x0001			/* bit0: WME                */
-	str	r1, [r0, #OWER]
-
-	/* OS timer does only wrap every 1165 seconds, so we have to set    */
-	/* the match register as well.                                      */
-
-	ldr	r1, [r0, #OSCR]			/* read OS timer            */
-	add	r1, r1, #0x800			/* let OSMR3 match after    */
-	add	r1, r1, #0x800			/* 4096*(1/3.6864MHz)=1ms   */
-	str	r1, [r0, #OSMR3]
-
-reset_endless:
-
-	b	reset_endless
-