arm: Move cpu/$CPU to arch/arm/cpu/$CPU

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

9 files changed, 1895 insertions, 0 deletions

diff --git a/arch/arm/cpu/pxa/Makefile b/arch/arm/cpu/pxa/Makefile
new file mode 100644
index 0000000..07a151a
--- /dev/null
+++ b/arch/arm/cpu/pxa/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2000-2006
+# 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	+= cpu.o
+COBJS	+= i2c.o
+COBJS	+= pxafb.o
+COBJS	+= timer.o
+COBJS	+= usb.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 $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/pxa/config.mk b/arch/arm/cpu/pxa/config.mk
new file mode 100644
index 0000000..a05d69c
--- /dev/null
+++ b/arch/arm/cpu/pxa/config.mk
@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+PLATFORM_CPPFLAGS += -march=armv5te -mtune=xscale
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# ========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/arch/arm/cpu/pxa/cpu.c b/arch/arm/cpu/pxa/cpu.c
new file mode 100644
index 0000000..800d120
--- /dev/null
+++ b/arch/arm/cpu/pxa/cpu.c
@@ -0,0 +1,87 @@
+/*
+ * (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>
+#include <asm/arch/pxa-regs.h>
+#include <asm/system.h>
+
+static void cache_flush(void);
+
+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
+	 */
+
+	disable_interrupts ();
+
+	/* turn off I-cache */
+	icache_disable();
+	dcache_disable();
+
+	/* flush I-cache */
+	cache_flush();
+
+	return (0);
+}
+
+/* flush I/D-cache */
+static void cache_flush (void)
+{
+	unsigned long i = 0;
+
+	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
+}
+
+#ifndef CONFIG_CPU_MONAHANS
+void set_GPIO_mode(int gpio_mode)
+{
+	int gpio = gpio_mode & GPIO_MD_MASK_NR;
+	int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
+	int gafr;
+
+	if (gpio_mode & GPIO_MD_MASK_DIR)
+	{
+		GPDR(gpio) |= GPIO_bit(gpio);
+	}
+	else
+	{
+		GPDR(gpio) &= ~GPIO_bit(gpio);
+	}
+	gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
+	GAFR(gpio) = gafr |  (fn  << (((gpio) & 0xf)*2));
+}
+#endif /* CONFIG_CPU_MONAHANS */
diff --git a/arch/arm/cpu/pxa/i2c.c b/arch/arm/cpu/pxa/i2c.c
new file mode 100644
index 0000000..6b72ba1
--- /dev/null
+++ b/arch/arm/cpu/pxa/i2c.c
@@ -0,0 +1,458 @@
+/*
+ * (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
+
+/*
+ *	- CONFIG_SYS_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           */
+
+#if (CONFIG_SYS_I2C_SPEED == 400000)
+#define I2C_ICR_INIT	(ICR_FM | ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
+#else
+#define I2C_ICR_INIT	(ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
+#endif
+
+#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 */
+#ifdef CONFIG_CPU_MONAHANS
+	CKENB |= (CKENB_4_I2C); /*  | CKENB_1_PWM1 | CKENB_0_PWM0); */
+#else /* CONFIG_CPU_MONAHANS */
+	CKEN |= CKEN14_I2C;		/* set the global I2C clock on */
+#endif
+	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: 1 in case of success, 0 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 CONFIG_SYS_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 << CONFIG_SYS_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));
+		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;
+
+}
+
+#endif	/* CONFIG_HARD_I2C */
diff --git a/arch/arm/cpu/pxa/pxafb.c b/arch/arm/cpu/pxa/pxafb.c
new file mode 100644
index 0000000..d56c5f0
--- /dev/null
+++ b/arch/arm/cpu/pxa/pxafb.c
@@ -0,0 +1,471 @@
+/*
+ * PXA LCD Controller
+ *
+ * (C) Copyright 2001-2002
+ * 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
+ */
+
+/************************************************************************/
+/* ** HEADER FILES							*/
+/************************************************************************/
+
+#include <config.h>
+#include <common.h>
+#include <version.h>
+#include <stdarg.h>
+#include <linux/types.h>
+#include <stdio_dev.h>
+#include <lcd.h>
+#include <asm/arch/pxa-regs.h>
+
+/* #define DEBUG */
+
+#ifdef CONFIG_LCD
+
+/*----------------------------------------------------------------------*/
+/*
+ * Define panel bpp, LCCR0, LCCR3 and panel_info video struct for
+ * your display.
+ */
+
+#ifdef CONFIG_PXA_VGA
+/* LCD outputs connected to a video DAC  */
+# define LCD_BPP	LCD_COLOR8
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+# define REG_LCCR0	0x003008f8
+# define REG_LCCR3	0x0300FF01
+
+/* 640x480x16 @ 61 Hz */
+vidinfo_t panel_info = {
+	vl_col:		640,
+	vl_row:		480,
+	vl_width:	640,
+	vl_height:	480,
+	vl_clkp:	CONFIG_SYS_HIGH,
+	vl_oep:		CONFIG_SYS_HIGH,
+	vl_hsp:		CONFIG_SYS_HIGH,
+	vl_vsp:		CONFIG_SYS_HIGH,
+	vl_dp:		CONFIG_SYS_HIGH,
+	vl_bpix:	LCD_BPP,
+	vl_lbw:		0,
+	vl_splt:	0,
+	vl_clor:	0,
+	vl_tft:		1,
+	vl_hpw:		40,
+	vl_blw:		56,
+	vl_elw:		56,
+	vl_vpw:		20,
+	vl_bfw:		8,
+	vl_efw:		8,
+};
+#endif /* CONFIG_PXA_VIDEO */
+
+/*----------------------------------------------------------------------*/
+#ifdef CONFIG_SHARP_LM8V31
+
+# define LCD_BPP	LCD_COLOR8
+# define LCD_INVERT_COLORS	/* Needed for colors to be correct, but why?	*/
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+# define REG_LCCR0	0x0030087C
+# define REG_LCCR3	0x0340FF08
+
+vidinfo_t panel_info = {
+	vl_col:		640,
+	vl_row:		480,
+	vl_width:	157,
+	vl_height:	118,
+	vl_clkp:	CONFIG_SYS_HIGH,
+	vl_oep:		CONFIG_SYS_HIGH,
+	vl_hsp:		CONFIG_SYS_HIGH,
+	vl_vsp:		CONFIG_SYS_HIGH,
+	vl_dp:		CONFIG_SYS_HIGH,
+	vl_bpix:	LCD_BPP,
+	vl_lbw:		0,
+	vl_splt:	1,
+	vl_clor:	1,
+	vl_tft:		0,
+	vl_hpw:		1,
+	vl_blw:		3,
+	vl_elw:		3,
+	vl_vpw:		1,
+	vl_bfw:		0,
+	vl_efw:		0,
+};
+#endif /* CONFIG_SHARP_LM8V31 */
+
+/*----------------------------------------------------------------------*/
+#ifdef CONFIG_HITACHI_SX14
+/* Hitachi SX14Q004-ZZA color STN LCD */
+#define LCD_BPP		LCD_COLOR8
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+#define REG_LCCR0	0x00301079
+#define REG_LCCR3	0x0340FF20
+
+vidinfo_t panel_info = {
+	vl_col:		320,
+	vl_row:		240,
+	vl_width:	167,
+	vl_height:	109,
+	vl_clkp:	CONFIG_SYS_HIGH,
+	vl_oep:		CONFIG_SYS_HIGH,
+	vl_hsp:		CONFIG_SYS_HIGH,
+	vl_vsp:		CONFIG_SYS_HIGH,
+	vl_dp:		CONFIG_SYS_HIGH,
+	vl_bpix:	LCD_BPP,
+	vl_lbw:		1,
+	vl_splt:	0,
+	vl_clor:	1,
+	vl_tft:		0,
+	vl_hpw:		1,
+	vl_blw:		1,
+	vl_elw:		1,
+	vl_vpw:		7,
+	vl_bfw:		0,
+	vl_efw:		0,
+};
+#endif /* CONFIG_HITACHI_SX14 */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_COLOR8
+void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
+#endif
+#if LCD_BPP == LCD_MONOCHROME
+void lcd_initcolregs (void);
+#endif
+
+#ifdef NOT_USED_SO_FAR
+void lcd_disable (void);
+void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue);
+#endif /* NOT_USED_SO_FAR */
+
+void lcd_ctrl_init	(void *lcdbase);
+void lcd_enable	(void);
+
+int lcd_line_length;
+int lcd_color_fg;
+int lcd_color_bg;
+
+void *lcd_base;			/* Start of framebuffer memory	*/
+void *lcd_console_address;		/* Start of console buffer	*/
+
+short console_col;
+short console_row;
+
+static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid);
+static void pxafb_setup_gpio (vidinfo_t *vid);
+static void pxafb_enable_controller (vidinfo_t *vid);
+static int pxafb_init (vidinfo_t *vid);
+/************************************************************************/
+
+/************************************************************************/
+/* ---------------  PXA chipset specific functions  ------------------- */
+/************************************************************************/
+
+void lcd_ctrl_init (void *lcdbase)
+{
+	pxafb_init_mem(lcdbase, &panel_info);
+	pxafb_init(&panel_info);
+	pxafb_setup_gpio(&panel_info);
+	pxafb_enable_controller(&panel_info);
+}
+
+/*----------------------------------------------------------------------*/
+#ifdef NOT_USED_SO_FAR
+void
+lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
+{
+}
+#endif /* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+#if LCD_BPP == LCD_COLOR8
+void
+lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
+{
+	struct pxafb_info *fbi = &panel_info.pxa;
+	unsigned short *palette = (unsigned short *)fbi->palette;
+	u_int val;
+
+	if (regno < fbi->palette_size) {
+		val = ((red << 8) & 0xf800);
+		val |= ((green << 4) & 0x07e0);
+		val |= (blue & 0x001f);
+
+#ifdef LCD_INVERT_COLORS
+		palette[regno] = ~val;
+#else
+		palette[regno] = val;
+#endif
+	}
+
+	debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %04X\n",
+		regno, &palette[regno],
+		red, green, blue,
+		palette[regno]);
+}
+#endif /* LCD_COLOR8 */
+
+/*----------------------------------------------------------------------*/
+#if LCD_BPP == LCD_MONOCHROME
+void lcd_initcolregs (void)
+{
+	struct pxafb_info *fbi = &panel_info.pxa;
+	cmap = (ushort *)fbi->palette;
+	ushort regno;
+
+	for (regno = 0; regno < 16; regno++) {
+		cmap[regno * 2] = 0;
+		cmap[(regno * 2) + 1] = regno & 0x0f;
+	}
+}
+#endif /* LCD_MONOCHROME */
+
+/*----------------------------------------------------------------------*/
+void lcd_enable (void)
+{
+}
+
+/*----------------------------------------------------------------------*/
+#ifdef	NOT_USED_SO_FAR
+static void lcd_disable (void)
+{
+}
+#endif /* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+/************************************************************************/
+/* ** PXA255 specific routines						*/
+/************************************************************************/
+
+/*
+ * Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb,
+ * descriptors and palette areas.
+ */
+ulong calc_fbsize (void)
+{
+	ulong size;
+	int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+	size = line_length * panel_info.vl_row;
+	size += PAGE_SIZE;
+
+	return size;
+}
+
+static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
+{
+	u_long palette_mem_size;
+	struct pxafb_info *fbi = &vid->pxa;
+	int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8;
+
+	fbi->screen = (u_long)lcdbase;
+
+	fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
+	palette_mem_size = fbi->palette_size * sizeof(u16);
+
+	debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
+	/* locate palette and descs at end of page following fb */
+	fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size;
+
+	return 0;
+}
+
+static void pxafb_setup_gpio (vidinfo_t *vid)
+{
+	u_long lccr0;
+
+	/*
+	 * setup is based on type of panel supported
+	 */
+
+	lccr0 = vid->pxa.reg_lccr0;
+
+	/* 4 bit interface */
+	if ((lccr0 & LCCR0_CMS) && (lccr0 & LCCR0_SDS) && !(lccr0 & LCCR0_DPD))
+	{
+		debug("Setting GPIO for 4 bit data\n");
+		/* bits 58-61 */
+		GPDR1 |= (0xf << 26);
+		GAFR1_U = (GAFR1_U & ~(0xff << 20)) | (0xaa << 20);
+
+		/* bits 74-77 */
+		GPDR2 |= (0xf << 10);
+		GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
+	}
+
+	/* 8 bit interface */
+	else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) ||
+		(!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
+	{
+		debug("Setting GPIO for 8 bit data\n");
+		/* bits 58-65 */
+		GPDR1 |= (0x3f << 26);
+		GPDR2 |= (0x3);
+
+		GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
+		GAFR2_L = (GAFR2_L & ~0xf) | (0xa);
+
+		/* bits 74-77 */
+		GPDR2 |= (0xf << 10);
+		GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
+	}
+
+	/* 16 bit interface */
+	else if (!(lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_PAS)))
+	{
+		debug("Setting GPIO for 16 bit data\n");
+		/* bits 58-77 */
+		GPDR1 |= (0x3f << 26);
+		GPDR2 |= 0x00003fff;
+
+		GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
+		GAFR2_L = (GAFR2_L & 0xf0000000) | 0x0aaaaaaa;
+	}
+	else
+	{
+		printf("pxafb_setup_gpio: unable to determine bits per pixel\n");
+	}
+}
+
+static void pxafb_enable_controller (vidinfo_t *vid)
+{
+	debug("Enabling LCD controller\n");
+
+	/* Sequence from 11.7.10 */
+	LCCR3  = vid->pxa.reg_lccr3;
+	LCCR2  = vid->pxa.reg_lccr2;
+	LCCR1  = vid->pxa.reg_lccr1;
+	LCCR0  = vid->pxa.reg_lccr0 & ~LCCR0_ENB;
+	FDADR0 = vid->pxa.fdadr0;
+	FDADR1 = vid->pxa.fdadr1;
+	LCCR0 |= LCCR0_ENB;
+
+	CKEN |= CKEN16_LCD;
+
+	debug("FDADR0 = 0x%08x\n", (unsigned int)FDADR0);
+	debug("FDADR1 = 0x%08x\n", (unsigned int)FDADR1);
+	debug("LCCR0 = 0x%08x\n", (unsigned int)LCCR0);
+	debug("LCCR1 = 0x%08x\n", (unsigned int)LCCR1);
+	debug("LCCR2 = 0x%08x\n", (unsigned int)LCCR2);
+	debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
+}
+
+static int pxafb_init (vidinfo_t *vid)
+{
+	struct pxafb_info *fbi = &vid->pxa;
+
+	debug("Configuring PXA LCD\n");
+
+	fbi->reg_lccr0 = REG_LCCR0;
+	fbi->reg_lccr3 = REG_LCCR3;
+
+	debug("vid: vl_col=%d hslen=%d lm=%d rm=%d\n",
+		vid->vl_col, vid->vl_hpw,
+		vid->vl_blw, vid->vl_elw);
+	debug("vid: vl_row=%d vslen=%d um=%d bm=%d\n",
+		vid->vl_row, vid->vl_vpw,
+		vid->vl_bfw, vid->vl_efw);
+
+	fbi->reg_lccr1 =
+		LCCR1_DisWdth(vid->vl_col) +
+		LCCR1_HorSnchWdth(vid->vl_hpw) +
+		LCCR1_BegLnDel(vid->vl_blw) +
+		LCCR1_EndLnDel(vid->vl_elw);
+
+	fbi->reg_lccr2 =
+		LCCR2_DisHght(vid->vl_row) +
+		LCCR2_VrtSnchWdth(vid->vl_vpw) +
+		LCCR2_BegFrmDel(vid->vl_bfw) +
+		LCCR2_EndFrmDel(vid->vl_efw);
+
+	fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
+	fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
+			| (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
+
+
+	/* setup dma descriptors */
+	fbi->dmadesc_fblow = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 3*16);
+	fbi->dmadesc_fbhigh = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 2*16);
+	fbi->dmadesc_palette = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 1*16);
+
+	#define BYTES_PER_PANEL	((fbi->reg_lccr0 & LCCR0_SDS) ? \
+		(vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8 / 2) : \
+		(vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8))
+
+	/* populate descriptors */
+	fbi->dmadesc_fblow->fdadr = (u_long)fbi->dmadesc_fblow;
+	fbi->dmadesc_fblow->fsadr = fbi->screen + BYTES_PER_PANEL;
+	fbi->dmadesc_fblow->fidr  = 0;
+	fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL;
+
+	fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */
+
+	fbi->dmadesc_fbhigh->fsadr = fbi->screen;
+	fbi->dmadesc_fbhigh->fidr = 0;
+	fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL;
+
+	fbi->dmadesc_palette->fsadr = fbi->palette;
+	fbi->dmadesc_palette->fidr  = 0;
+	fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL;
+
+	if( NBITS(vid->vl_bpix) < 12)
+	{
+		/* assume any mode with <12 bpp is palette driven */
+		fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh;
+		fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette;
+		/* flips back and forth between pal and fbhigh */
+		fbi->fdadr0 = (u_long)fbi->dmadesc_palette;
+	}
+	else
+	{
+		/* palette shouldn't be loaded in true-color mode */
+		fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh;
+		fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */
+	}
+
+	debug("fbi->dmadesc_fblow = 0x%lx\n", (u_long)fbi->dmadesc_fblow);
+	debug("fbi->dmadesc_fbhigh = 0x%lx\n", (u_long)fbi->dmadesc_fbhigh);
+	debug("fbi->dmadesc_palette = 0x%lx\n", (u_long)fbi->dmadesc_palette);
+
+	debug("fbi->dmadesc_fblow->fdadr = 0x%lx\n", fbi->dmadesc_fblow->fdadr);
+	debug("fbi->dmadesc_fbhigh->fdadr = 0x%lx\n", fbi->dmadesc_fbhigh->fdadr);
+	debug("fbi->dmadesc_palette->fdadr = 0x%lx\n", fbi->dmadesc_palette->fdadr);
+
+	debug("fbi->dmadesc_fblow->fsadr = 0x%lx\n", fbi->dmadesc_fblow->fsadr);
+	debug("fbi->dmadesc_fbhigh->fsadr = 0x%lx\n", fbi->dmadesc_fbhigh->fsadr);
+	debug("fbi->dmadesc_palette->fsadr = 0x%lx\n", fbi->dmadesc_palette->fsadr);
+
+	debug("fbi->dmadesc_fblow->ldcmd = 0x%lx\n", fbi->dmadesc_fblow->ldcmd);
+	debug("fbi->dmadesc_fbhigh->ldcmd = 0x%lx\n", fbi->dmadesc_fbhigh->ldcmd);
+	debug("fbi->dmadesc_palette->ldcmd = 0x%lx\n", fbi->dmadesc_palette->ldcmd);
+
+	return 0;
+}
+
+/************************************************************************/
+/************************************************************************/
+
+#endif /* CONFIG_LCD */
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
new file mode 100644
index 0000000..63ab0c5
--- /dev/null
+++ b/arch/arm/cpu/pxa/start.S
@@ -0,0 +1,498 @@
+/*
+ *  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 Zuepke <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 Bloem <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>
+#include <asm/arch/pxa-regs.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 RAM!
+ * - relocate armboot to RAM
+ * - setup stack
+ * - jump to second stage
+ */
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+.globl _armboot_start
+_armboot_start:
+	.word _start
+
+/*
+ * These are defined in the board-specific linker script.
+ */
+.globl _bss_start
+_bss_start:
+	.word __bss_start
+
+.globl _bss_end
+_bss_end:
+	.word _end
+
+#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 /* CONFIG_USE_IRQ */
+
+
+/****************************************************************************/
+/*									    */
+/* 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
+
+	/*
+	 * we do sys-critical inits only at reboot,
+	 * not when booting from RAM!
+	 */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+	bl	cpu_init_crit		/* we do sys-critical inits	    */
+#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
+
+#ifndef CONFIG_SKIP_RELOCATE_UBOOT
+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, _bss_start
+	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 address [r2]    */
+	ble	copy_loop
+#endif /* !CONFIG_SKIP_RELOCATE_UBOOT */
+
+	/* Set up the stack						    */
+stack_setup:
+	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
+	sub	r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area			    */
+	sub	r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo			    */
+#ifdef CONFIG_USE_IRQ
+	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
+#endif /* CONFIG_USE_IRQ */
+	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
+
+clear_bss:
+	ldr	r0, _bss_start		/* find start of bss segment	    */
+	ldr	r1, _bss_end		/* stop here			    */
+	mov	r2, #0x00000000		/* clear			    */
+
+clbss_l:str	r2, [r0]		/* clear loop...		    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	ble	clbss_l
+
+	ldr	pc, _start_armboot
+
+_start_armboot: .word start_armboot
+
+
+/****************************************************************************/
+/*									    */
+/* CPU_init_critical registers						    */
+/*									    */
+/* - setup important registers						    */
+/* - setup memory timing						    */
+/*									    */
+/****************************************************************************/
+/* mk@tbd: Fix this! */
+#undef RCSR
+#undef ICMR
+#undef OSMR3
+#undef OSCR
+#undef OWER
+#undef OIER
+#undef CCCR
+
+/* 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						    */
+#ifdef CONFIG_CPU_MONAHANS
+# ifndef CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO
+#  error "You have to define CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO!!"
+# endif /* !CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO */
+# ifndef CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO
+#  define CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO 0x1
+# endif /* !CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO */
+#else /* !CONFIG_CPU_MONAHANS */
+#ifdef CONFIG_SYS_CPUSPEED
+CC_BASE:	.word	0x41300000
+#define CCCR	0x00
+cpuspeed:	.word	CONFIG_SYS_CPUSPEED
+#else /* !CONFIG_SYS_CPUSPEED */
+#error "You have to define CONFIG_SYS_CPUSPEED!!"
+#endif /* CONFIG_SYS_CPUSPEED */
+#endif /* CONFIG_CPU_MONAHANS */
+
+	/* takes care the CP15 update has taken place */
+	.macro CPWAIT reg
+	mrc  p15,0,\reg,c2,c0,0
+	mov  \reg,\reg
+	sub  pc,pc,#4
+	.endm
+
+cpu_init_crit:
+
+	/* mask all IRQs						    */
+#ifndef CONFIG_CPU_MONAHANS
+	ldr	r0, IC_BASE
+	mov	r1, #0x00
+	str	r1, [r0, #ICMR]
+#else /* CONFIG_CPU_MONAHANS */
+	/* Step 1 - Enable CP6 permission */
+	mrc	p15, 0, r1, c15, c1, 0	@ read CPAR
+	orr	r1, r1, #0x40
+		mcr	p15, 0, r1, c15, c1, 0
+	CPWAIT	r1
+
+	/* Step 2 - Mask ICMR & ICMR2 */
+	mov	r1, #0
+	mcr	p6, 0, r1, c1, c0, 0	@ ICMR
+	mcr	p6, 0, r1, c7, c0, 0	@ ICMR2
+
+	/* turn off all clocks but the ones we will definitly require */
+	ldr	r1, =CKENA
+	ldr	r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC)
+	str	r2, [r1]
+	ldr	r1, =CKENB
+	ldr	r2, =(CKENB_6_IRQ)
+	str	r2, [r1]
+#endif /* !CONFIG_CPU_MONAHANS */
+
+	/* set clock speed */
+#ifdef CONFIG_CPU_MONAHANS
+	ldr	r0, =ACCR
+	ldr	r1, =(((CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO<<8) & ACCR_XN_MASK) | (CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO & ACCR_XL_MASK))
+	str	r1, [r0]
+#else /* !CONFIG_CPU_MONAHANS */
+#ifdef CONFIG_SYS_CPUSPEED
+	ldr	r0, CC_BASE
+	ldr	r1, cpuspeed
+	str	r1, [r0, #CCCR]
+	mov	r0, #2
+	mcr	p14, 0, r0, c6, c0, 0
+
+setspeed_done:
+
+#endif /* CONFIG_SYS_CPUSPEED */
+#endif /* CONFIG_CPU_MONAHANS */
+
+	/*
+	 * before relocating, we have to setup RAM timing
+	 * because memory timing is board-dependend, you will
+	 * find a lowlevel_init.S in your board directory.
+	 */
+	mov	ip,	lr
+	bl	lowlevel_init
+	mov	lr,	ip
+
+	/* Memory interfaces are working. Disable MMU and enable I-cache.   */
+	/* mk: hmm, this is not in the monahans docs, leave it now but
+	 *     check here if it doesn't work :-) */
+
+	ldr	r0, =0x2001		/* enable access to all coproc.	    */
+	mcr	p15, 0, r0, c15, c1, 0
+	CPWAIT r0
+
+	mcr	p15, 0, r0, c7, c10, 4	/* drain the write & fill buffers   */
+	CPWAIT r0
+
+	mcr	p15, 0, r0, c7, c7, 0	/* flush Icache, Dcache and BTB	    */
+	CPWAIT r0
+
+	mcr	p15, 0, r0, c8, c7, 0	/* flush instuction and data TLBs   */
+	CPWAIT r0
+
+	/* 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_start
+	sub	r2, r2, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
+	sub	r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE+8)	@ set base 2 words into abort stack
+	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_start		@ setup our mode stack
+	sub	r13, r13, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
+	sub	r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack
+
+	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 /* !CONFIG_USE_IRQ */
+
+	.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 /* CONFIG_USE_IRQ */
+
+/****************************************************************************/
+/*									    */
+/* 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
diff --git a/arch/arm/cpu/pxa/timer.c b/arch/arm/cpu/pxa/timer.c
new file mode 100644
index 0000000..8d0f826
--- /dev/null
+++ b/arch/arm/cpu/pxa/timer.c
@@ -0,0 +1,128 @@
+/*
+ * (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>
+#include <div64.h>
+
+#ifdef CONFIG_USE_IRQ
+#error: interrupts not implemented yet
+#endif
+
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+#define TIMER_FREQ_HZ 3250000
+#elif defined(CONFIG_PXA250)
+#define TIMER_FREQ_HZ 3686400
+#else
+#error "Timer frequency unknown - please config PXA CPU type"
+#endif
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, TIMER_FREQ_HZ);
+	return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * TIMER_FREQ_HZ + 999999;
+	do_div(us, 1000000);
+	return us;
+}
+
+int timer_init (void)
+{
+	reset_timer();
+
+	return 0;
+}
+
+void reset_timer (void)
+{
+	reset_timer_masked ();
+}
+
+ulong get_timer (ulong base)
+{
+	return get_timer_masked () - base;
+}
+
+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 tick_to_time(get_ticks());
+}
+
+void udelay_masked (unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return OSCR;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk (void)
+{
+	ulong tbclk;
+	tbclk = TIMER_FREQ_HZ;
+	return tbclk;
+}
diff --git a/arch/arm/cpu/pxa/u-boot.lds b/arch/arm/cpu/pxa/u-boot.lds
new file mode 100644
index 0000000..d4e85ef
--- /dev/null
+++ b/arch/arm/cpu/pxa/u-boot.lds
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text :
+	{
+		arch/arm/cpu/pxa/start.o	(.text)
+		*(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
+	_end = .;
+}
diff --git a/arch/arm/cpu/pxa/usb.c b/arch/arm/cpu/pxa/usb.c
new file mode 100644
index 0000000..bd718a6
--- /dev/null
+++ b/arch/arm/cpu/pxa/usb.c
@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2006
+ * Markus Klotzbuecher, DENX Software Engineering <mk@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>
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
+
+#include <asm/arch/pxa-regs.h>
+#include <usb.h>
+
+int usb_cpu_init(void)
+{
+#if defined(CONFIG_CPU_MONAHANS)
+	/* Enable USB host clock. */
+	CKENA |= (CKENA_2_USBHOST |  CKENA_20_UDC);
+	udelay(100);
+#endif
+#if defined(CONFIG_PXA27X)
+	/* Enable USB host clock. */
+	CKEN |= CKEN10_USBHOST;
+#endif
+
+#if defined(CONFIG_CPU_MONAHANS)
+	/* Configure Port 2 for Host (USB Client Registers) */
+	UP2OCR = 0x3000c;
+#endif
+
+	UHCHR |= UHCHR_FHR;
+	wait_ms(11);
+	UHCHR &= ~UHCHR_FHR;
+
+	UHCHR |= UHCHR_FSBIR;
+	while (UHCHR & UHCHR_FSBIR)
+		udelay(1);
+
+#if defined(CONFIG_CPU_MONAHANS)
+	UHCHR &= ~UHCHR_SSEP0;
+#endif
+#if defined(CONFIG_PXA27X)
+	UHCHR &= ~UHCHR_SSEP2;
+#endif
+	UHCHR &= ~UHCHR_SSEP1;
+	UHCHR &= ~UHCHR_SSE;
+
+	return 0;
+}
+
+int usb_cpu_stop(void)
+{
+	UHCHR |= UHCHR_FHR;
+	udelay(11);
+	UHCHR &= ~UHCHR_FHR;
+
+	UHCCOMS |= 1;
+	udelay(10);
+
+#if defined(CONFIG_CPU_MONAHANS)
+	UHCHR |= UHCHR_SSEP0;
+#endif
+#if defined(CONFIG_PXA27X)
+	UHCHR |= UHCHR_SSEP2;
+#endif
+	UHCHR |= UHCHR_SSEP1;
+	UHCHR |= UHCHR_SSE;
+
+	return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+	UHCHR |= UHCHR_FHR;
+	udelay(11);
+	UHCHR &= ~UHCHR_FHR;
+
+	UHCCOMS |= 1;
+	udelay(10);
+
+#if defined(CONFIG_CPU_MONAHANS)
+	UHCHR |= UHCHR_SSEP0;
+#endif
+#if defined(CONFIG_PXA27X)
+	UHCHR |= UHCHR_SSEP2;
+#endif
+	UHCHR |= UHCHR_SSEP1;
+	UHCHR |= UHCHR_SSE;
+
+	return 0;
+}
+
+# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */