Patch by Steven Scholz, 06 Apr 2005:

- creating SoC subdir for Atmel AT91RM9200 cpu/arm920t/at91rm9200
- moving code out of cpu/at91rm9200 into cpu/arm920t/at91rm9200

9 files changed, 0 insertions, 1732 deletions

diff --git a/cpu/at91rm9200/Makefile b/cpu/at91rm9200/Makefile
deleted file mode 100644
index 18c995b..0000000
--- a/cpu/at91rm9200/Makefile
+++ /dev/null
@@ -1,45 +0,0 @@
-#
-# (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 $(TOPDIR)/config.mk
-
-LIB	= lib$(CPU).a
-
-START	= start.o
-OBJS	= serial.o interrupts.o cpu.o \
-	  at91rm9200_ether.o i2c.o
-SOBJS	= lowlevel.o
-
-all:	.depend $(START) $(LIB)
-
-$(LIB):	$(OBJS) $(SOBJS)
-	$(AR) crv $@ $(OBJS) $(SOBJS)
-
-#########################################################################
-
-.depend:	Makefile $(START:.o=.S) $(OBJS:.o=.c)
-		$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
-
-sinclude .depend
-
-#########################################################################
diff --git a/cpu/at91rm9200/at91rm9200_ether.c b/cpu/at91rm9200/at91rm9200_ether.c
deleted file mode 100644
index 0bc1d89..0000000
--- a/cpu/at91rm9200/at91rm9200_ether.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * (C) Copyright 2003
- * Author : Hamid Ikdoumi (Atmel)
- *
- * 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 <at91rm9200_net.h>
-#include <net.h>
-
-/* ----- Ethernet Buffer definitions ----- */
-
-typedef struct {
-	unsigned long addr, size;
-} rbf_t;
-
-#define RBF_ADDR      0xfffffffc
-#define RBF_OWNER     (1<<0)
-#define RBF_WRAP      (1<<1)
-#define RBF_BROADCAST (1<<31)
-#define RBF_MULTICAST (1<<30)
-#define RBF_UNICAST   (1<<29)
-#define RBF_EXTERNAL  (1<<28)
-#define RBF_UNKOWN    (1<<27)
-#define RBF_SIZE      0x07ff
-#define RBF_LOCAL4    (1<<26)
-#define RBF_LOCAL3    (1<<25)
-#define RBF_LOCAL2    (1<<24)
-#define RBF_LOCAL1    (1<<23)
-
-/* Emac Buffers in last 512KBytes of SDRAM*/
-/* Be careful, buffer size is limited to 512KBytes !!! */
-#define RBF_FRAMEMAX 100
-/*#define RBF_FRAMEMEM 0x200000 */
-#define RBF_FRAMEMEM 0x21F80000
-#define RBF_FRAMELEN 0x600
-
-#define RBF_FRAMEBTD RBF_FRAMEMEM
-#define RBF_FRAMEBUF (RBF_FRAMEMEM + RBF_FRAMEMAX*sizeof(rbf_t))
-
-
-#ifdef CONFIG_DRIVER_ETHER
-
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
-
-/* structure to interface the PHY */
-AT91S_PhyOps PhyOps;
-
-AT91PS_EMAC p_mac;
-
-/*********** EMAC Phy layer Management functions *************************/
-/*
- * Name:
- *	at91rm9200_EmacEnableMDIO
- * Description:
- *	Enables the MDIO bit in MAC control register
- * Arguments:
- *	p_mac - pointer to struct AT91S_EMAC
- * Return value:
- *	none
- */
-void at91rm9200_EmacEnableMDIO (AT91PS_EMAC p_mac)
-{
-	/* Mac CTRL reg set for MDIO enable */
-	p_mac->EMAC_CTL |= AT91C_EMAC_MPE;	/* Management port enable */
-}
-
-/*
- * Name:
- *	at91rm9200_EmacDisableMDIO
- * Description:
- *	Disables the MDIO bit in MAC control register
- * Arguments:
- *	p_mac - pointer to struct AT91S_EMAC
- * Return value:
- *	none
- */
-void at91rm9200_EmacDisableMDIO (AT91PS_EMAC p_mac)
-{
-	/* Mac CTRL reg set for MDIO disable */
-	p_mac->EMAC_CTL &= ~AT91C_EMAC_MPE;	/* Management port disable */
-}
-
-
-/*
- * Name:
- *	at91rm9200_EmacReadPhy
- * Description:
- *	Reads data from the PHY register
- * Arguments:
- *	dev - pointer to struct net_device
- *	RegisterAddress - unsigned char
- * 	pInput - pointer to value read from register
- * Return value:
- *	TRUE - if data read successfully
- */
-UCHAR at91rm9200_EmacReadPhy (AT91PS_EMAC p_mac,
-				     unsigned char RegisterAddress,
-				     unsigned short *pInput)
-{
-	p_mac->EMAC_MAN = (AT91C_EMAC_HIGH & ~AT91C_EMAC_LOW) |
-			  (AT91C_EMAC_RW_R) |
-			  (RegisterAddress << 18) |
-			  (AT91C_EMAC_CODE_802_3);
-
-	udelay (10000);
-
-	*pInput = (unsigned short) p_mac->EMAC_MAN;
-
-	return TRUE;
-}
-
-
-/*
- * Name:
- *	at91rm9200_EmacWritePhy
- * Description:
- *	Writes data to the PHY register
- * Arguments:
- *	dev - pointer to struct net_device
- *	RegisterAddress - unsigned char
- * 	pOutput - pointer to value to be written in the register
- * Return value:
- *	TRUE - if data read successfully
- */
-UCHAR at91rm9200_EmacWritePhy (AT91PS_EMAC p_mac,
-				      unsigned char RegisterAddress,
-				      unsigned short *pOutput)
-{
-	p_mac->EMAC_MAN = (AT91C_EMAC_HIGH & ~AT91C_EMAC_LOW) |
-			AT91C_EMAC_CODE_802_3 | AT91C_EMAC_RW_W |
-			(RegisterAddress << 18) | *pOutput;
-
-	udelay (10000);
-
-	return TRUE;
-}
-
-
-rbf_t *rbfdt;
-rbf_t *rbfp;
-
-int eth_init (bd_t * bd)
-{
-	int ret;
-	int i;
-
-	p_mac = AT91C_BASE_EMAC;
-
-	/* PIO Disable Register */
-	*AT91C_PIOA_PDR = AT91C_PA16_EMDIO | AT91C_PA15_EMDC | AT91C_PA14_ERXER |
-			  AT91C_PA13_ERX1 | AT91C_PA12_ERX0 | AT91C_PA11_ECRS_ECRSDV |
-			  AT91C_PA10_ETX1 | AT91C_PA9_ETX0 | AT91C_PA8_ETXEN |
-			  AT91C_PA7_ETXCK_EREFCK;
-
-#ifdef CONFIG_AT91C_USE_RMII
-	*AT91C_PIOB_PDR = AT91C_PB19_ERXCK;
-	*AT91C_PIOB_BSR = AT91C_PB19_ERXCK;
-#else
-	*AT91C_PIOB_PDR = AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV |
-			  AT91C_PB16_ERX3 | AT91C_PB15_ERX2 | AT91C_PB14_ETXER |
-			  AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
-
-	/* Select B Register */
-	*AT91C_PIOB_BSR = AT91C_PB19_ERXCK | AT91C_PB18_ECOL |
-			  AT91C_PB17_ERXDV | AT91C_PB16_ERX3 | AT91C_PB15_ERX2 |
-			  AT91C_PB14_ETXER | AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
-#endif
-
-	*AT91C_PMC_PCER = 1 << AT91C_ID_EMAC;	/* Peripheral Clock Enable Register */
-
-	p_mac->EMAC_CFG |= AT91C_EMAC_CSR;	/* Clear statistics */
-
-	/* Init Ehternet buffers */
-	rbfdt = (rbf_t *) RBF_FRAMEBTD;
-	for (i = 0; i < RBF_FRAMEMAX; i++) {
-		rbfdt[i].addr = RBF_FRAMEBUF + RBF_FRAMELEN * i;
-		rbfdt[i].size = 0;
-	}
-	rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP;
-	rbfp = &rbfdt[0];
-
-	p_mac->EMAC_SA2L = (bd->bi_enetaddr[3] << 24) | (bd->bi_enetaddr[2] << 16)
-			 | (bd->bi_enetaddr[1] <<  8) | (bd->bi_enetaddr[0]);
-	p_mac->EMAC_SA2H = (bd->bi_enetaddr[5] <<  8) | (bd->bi_enetaddr[4]);
-
-	p_mac->EMAC_RBQP = (long) (&rbfdt[0]);
-	p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
-
-	p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC)
-			& ~AT91C_EMAC_CLK;
-
-#ifdef CONFIG_AT91C_USE_RMII
-	p_mac->EMAC_CFG |= AT91C_EMAC_RMII;
-#endif
-
-#if (AT91C_MASTER_CLOCK > 40000000)
-	/* MDIO clock must not exceed 2.5 MHz, so enable MCK divider */
-	p_mac->EMAC_CFG |= AT91C_EMAC_CLK_HCLK_64;
-#endif
-
-	p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE;
-
-	at91rm92000_GetPhyInterface (& PhyOps);
-
-	if (!PhyOps.IsPhyConnected (p_mac))
-		printf ("PHY not connected!!\n\r");
-
-	/* MII management start from here */
-	if (!(p_mac->EMAC_SR & AT91C_EMAC_LINK)) {
-		if (!(ret = PhyOps.Init (p_mac))) {
-			printf ("MAC: error during MII initialization\n");
-			return 0;
-		}
-	} else {
-		printf ("No link\n\r");
-		return 0;
-	}
-
-	return 0;
-}
-
-int eth_send (volatile void *packet, int length)
-{
-	while (!(p_mac->EMAC_TSR & AT91C_EMAC_BNQ));
-	p_mac->EMAC_TAR = (long) packet;
-	p_mac->EMAC_TCR = length;
-	while (p_mac->EMAC_TCR & 0x7ff);
-	p_mac->EMAC_TSR |= AT91C_EMAC_COMP;
-	return 0;
-}
-
-int eth_rx (void)
-{
-	int size;
-
-	if (!(rbfp->addr & RBF_OWNER))
-		return 0;
-
-	size = rbfp->size & RBF_SIZE;
-	NetReceive ((volatile uchar *) (rbfp->addr & RBF_ADDR), size);
-
-	rbfp->addr &= ~RBF_OWNER;
-	if (rbfp->addr & RBF_WRAP)
-		rbfp = &rbfdt[0];
-	else
-		rbfp++;
-
-	p_mac->EMAC_RSR |= AT91C_EMAC_REC;
-
-	return size;
-}
-
-void eth_halt (void)
-{
-};
-
-#if (CONFIG_COMMANDS & CFG_CMD_MII)
-int  miiphy_read(unsigned char addr, unsigned char reg, unsigned short * value)
-{
-	at91rm9200_EmacEnableMDIO (p_mac);
-	at91rm9200_EmacReadPhy (p_mac, reg, value);
-	at91rm9200_EmacDisableMDIO (p_mac);
-	return 0;
-}
-
-int  miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
-{
-	at91rm9200_EmacEnableMDIO (p_mac);
-	at91rm9200_EmacWritePhy (p_mac, reg, &value);
-	at91rm9200_EmacDisableMDIO (p_mac);
-	return 0;
-}
-#endif	/* CONFIG_COMMANDS & CFG_CMD_MII */
-
-#endif	/* CONFIG_COMMANDS & CFG_CMD_NET */
-
-#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/cpu/at91rm9200/config.mk b/cpu/at91rm9200/config.mk
deleted file mode 100644
index deb7f87..0000000
--- a/cpu/at91rm9200/config.mk
+++ /dev/null
@@ -1,27 +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=arm7tdmi
diff --git a/cpu/at91rm9200/cpu.c b/cpu/at91rm9200/cpu.c
deleted file mode 100644
index 9fdb703..0000000
--- a/cpu/at91rm9200/cpu.c
+++ /dev/null
@@ -1,200 +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>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-
-#if !defined(CONFIG_DBGU) && !defined(CONFIG_USART0) && !defined(CONFIG_USART1)
-#error must define one of CONFIG_DBGU or CONFIG_USART0 or CONFIG_USART1
-#endif
-
-/* read co-processor 15, register #1 (control register) */
-static unsigned long read_p15_c1(void)
-{
-    unsigned long value;
-
-    __asm__ __volatile__(
-	"mrc     p15, 0, %0, c1, c0, 0   @ read control reg\n"
-	: "=r" (value)
-	:
-	: "memory");
-    /*printf("p15/c1 is = %08lx\n", value); */
-    return value;
-}
-
-/* write to co-processor 15, register #1 (control register) */
-static void write_p15_c1(unsigned long value)
-{
-    /*printf("write %08lx to p15/c1\n", value); */
-    __asm__ __volatile__(
-	"mcr     p15, 0, %0, c1, c0, 0   @ write it back\n"
-	: "=r" (value)
-	:
-	: "memory");
-
-    read_p15_c1();
-}
-
-static void cp_delay(void)
-{
-    volatile int i;
-
-    /* copro seems to need some delay between reading and writing */
-    for (i=0; i<100; i++);
-}
-/* See also ARM Ref. Man. */
-#define C1_MMU		(1<<0)	/* mmu off/on */
-#define C1_ALIGN	(1<<1)	/* alignment faults off/on */
-#define C1_IDC		(1<<2)	/* icache and/or dcache off/on */
-#define C1_WRITE_BUFFER	(1<<3)	/* write buffer off/on */
-#define C1_BIG_ENDIAN	(1<<7)	/* big endian off/on */
-#define C1_SYS_PROT	(1<<8)	/* system protection */
-#define C1_ROM_PROT	(1<<9)	/* ROM protection */
-#define C1_HIGH_VECTORS	(1<<13)	/* location of vectors: low/high addresses */
-
-int cpu_init(void)
-{
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	DECLARE_GLOBAL_DATA_PTR;
-
-	IRQ_STACK_START = _armboot_start - CFG_MALLOC_LEN - CFG_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
-	return 0;
-}
-
-int cleanup_before_linux(void)
-{
-    /*
-     * this function is called just before we call linux
-     * it prepares the processor for linux
-     *
-     * we turn off caches etc ...
-     * and we set the CPU-speed to 73 MHz - see start.S for details
-     */
-
-    disable_interrupts();
-    return 0;
-}
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-
-#ifdef CFG_SOFT_RESET
-    disable_interrupts();
-    reset_cpu(0);
-#else
-#ifdef CONFIG_DBGU
-   AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
-#endif
-#ifdef CONFIG_USART0
-   AT91PS_USART us = AT91C_BASE_US0;
-#endif
-#ifdef CONFIG_USART1
-   AT91PS_USART us = AT91C_BASE_US1;
-#endif
-   AT91PS_PIO pio = AT91C_BASE_PIOA;
-
-   /*shutdown the console to avoid strange chars during reset */
-   us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX);
-
-#ifdef CONFIG_AT91RM9200DK
-   /* Clear PA19 to trigger the hard reset */
-   pio->PIO_CODR = 0x00080000;
-   pio->PIO_OER  = 0x00080000;
-   pio->PIO_PER  = 0x00080000;
-#endif
-#ifdef CONFIG_CMC_PU2
-/* this is the way Linux does it */
-#define AT91C_ST_RSTEN (0x1 << 16)
-#define AT91C_ST_EXTEN (0x1 << 17)
-#define AT91C_ST_WDRST (0x1 <<  0)
-/* watchdog mode register */
-#define ST_WDMR *((unsigned long *)0xfffffd08)
-/* system clock control register */
-#define ST_CR *((unsigned long *)0xfffffd00)
-	ST_WDMR = AT91C_ST_RSTEN | AT91C_ST_EXTEN | 1 ;
-	ST_CR = AT91C_ST_WDRST;
-   /* Never reached */
-#endif
-#endif
-   return 0;
-}
-
-void icache_enable(void)
-{
-    ulong reg;
-    reg = read_p15_c1();
-    cp_delay();
-    write_p15_c1(reg | C1_IDC);
-}
-
-void icache_disable(void)
-{
-    ulong reg;
-    reg = read_p15_c1();
-    cp_delay();
-    write_p15_c1(reg & ~C1_IDC);
-}
-
-int icache_status(void)
-{
-    return (read_p15_c1() & C1_IDC) != 0;
-    return 0;
-}
-
-void dcache_enable(void)
-{
-    ulong reg;
-    reg = read_p15_c1();
-    cp_delay();
-    write_p15_c1(reg | C1_IDC);
-}
-
-void dcache_disable(void)
-{
-    ulong reg;
-    reg = read_p15_c1();
-    cp_delay();
-    write_p15_c1(reg & ~C1_IDC);
-}
-
-int dcache_status(void)
-{
-    return (read_p15_c1() & C1_IDC) != 0;
-    return 0;
-}
diff --git a/cpu/at91rm9200/i2c.c b/cpu/at91rm9200/i2c.c
deleted file mode 100644
index 433dd32..0000000
--- a/cpu/at91rm9200/i2c.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- *  i2c Support for Atmel's AT91RM9200 Two-Wire Interface
- *
- *  (c) Rick Bronson
- *
- *  Borrowed heavily from original work by:
- *  Copyright (c) 2000 Philip Edelbrock <phil@stimpy.netroedge.com>
- *
- *  Modified to work with u-boot by (C) 2004 Gary Jennejohn garyj@denx.de
- *
- *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
-*/
-#include <common.h>
-
-#ifdef CONFIG_HARD_I2C
-
-#include <i2c.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-
-#include <at91rm9200_i2c.h>
-
-/* define DEBUG */
-
-/*
- * Poll the i2c status register until the specified bit is set.
- * Returns 0 if timed out (100 msec)
- */
-static short at91_poll_status(AT91PS_TWI twi, unsigned long bit) {
-	int loop_cntr = 10000;
-	do {
-		udelay(10);
-	} while (!(twi->TWI_SR & bit) && (--loop_cntr > 0));
-
-	return (loop_cntr > 0);
-}
-
-/*
- * Generic i2c master transfer entrypoint
- *
- * rw == 1 means that this is a read
- */
-static int
-at91_xfer(unsigned char chip, unsigned int addr, int alen,
-						unsigned char *buffer, int len, int rw)
-{
-	AT91PS_TWI twi = (AT91PS_TWI) AT91_TWI_BASE;
-	int length;
-	unsigned char *buf;
-	/* Set the TWI Master Mode Register */
-	twi->TWI_MMR = (chip << 16) | (alen << 8)
-		| ((rw == 1) ? AT91C_TWI_MREAD : 0);
-
-	/* Set TWI Internal Address Register with first messages data field */
-	/* only one address byte is supported  */
-	if (alen > 0)
-		twi->TWI_IADR = addr & 0xff;
-
-	length = len;
-	buf = buffer;
-	if (length && buf) {	/* sanity check */
-		if (rw) {
-			twi->TWI_CR = AT91C_TWI_START;
-			while (length--) {
-				if (!length)
-					twi->TWI_CR = AT91C_TWI_STOP;
-				/* Wait until transfer is finished */
-				if (!at91_poll_status(twi, AT91C_TWI_RXRDY)) {
-					debug ("at91_i2c: timeout 1\n");
-					return 1;
-				}
-				*buf++ = twi->TWI_RHR;
-			}
-			if (!at91_poll_status(twi, AT91C_TWI_TXCOMP)) {
-				debug ("at91_i2c: timeout 2\n");
-				return 1;
-			}
-		} else {
-			twi->TWI_CR = AT91C_TWI_START;
-			while (length--) {
-				twi->TWI_THR = *buf++;
-				if (!length)
-					twi->TWI_CR = AT91C_TWI_STOP;
-				if (!at91_poll_status(twi, AT91C_TWI_TXRDY)) {
-					debug ("at91_i2c: timeout 3\n");
-					return 1;
-				}
-			}
-			/* Wait until transfer is finished */
-			if (!at91_poll_status(twi, AT91C_TWI_TXCOMP)) {
-				debug ("at91_i2c: timeout 4\n");
-				return 1;
-			}
-		}
-	}
-	return 0;
-}
-
-int
-i2c_probe(unsigned char chip)
-{
-	char buffer[1];
-
-	return at91_xfer(chip, 0, 0, buffer, 1, 1);
-}
-
-int
-i2c_read (unsigned char chip, unsigned int addr, int alen,
-	  unsigned char *buffer, int len)
-{
-#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
-	/* we only allow one address byte */
-	if (alen > 1)
-		return 1;
-	/* XXX assume an ATMEL AT24C16 */
-	if (alen == 1) {
-#if 0 /* EEPROM code already sets this correctly */
-		chip |= (addr >> 8) & 0xff;
-#endif
-		addr = addr & 0xff;
-	}
-#endif
-	return at91_xfer(chip, addr, alen, buffer, len, 1);
-}
-
-int
-i2c_write(unsigned char chip, unsigned int addr, int alen,
-							unsigned char *buffer, int len)
-{
-	int i;
-	unsigned char *buf;
-
-#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
-	/* we only allow one address byte */
-	if (alen > 1)
-		return 1;
-	/* XXX assume an ATMEL AT24C16 */
-	if (alen == 1) {
-		buf = buffer;
-		/* do single byte writes */
-		for (i = 0; i < len; i++) {
-#if 0 /* EEPROM code already sets this correctly */
-			chip |= (addr >> 8) & 0xff;
-#endif
-			addr = addr & 0xff;
-			if (at91_xfer(chip, addr, alen, buf++, 1, 0))
-				return 1;
-			addr++;
-		}
-		return 0;
-	}
-#endif
-	return at91_xfer(chip, addr, alen, buffer, len, 0);
-}
-
-/*
- * Main initialization routine
- */
-void
-i2c_init(int speed, int slaveaddr)
-{
-	AT91PS_TWI twi = (AT91PS_TWI) AT91_TWI_BASE;
-
-	*AT91C_PIOA_PDR = AT91C_PA25_TWD | AT91C_PA26_TWCK;
-	*AT91C_PIOA_ASR = AT91C_PA25_TWD | AT91C_PA26_TWCK;
-	*AT91C_PIOA_MDER = AT91C_PA25_TWD | AT91C_PA26_TWCK;
-	*AT91C_PMC_PCER = 1 << AT91C_ID_TWI;		/* enable peripheral clock */
-
-	twi->TWI_IDR = 0x3ff;				/* Disable all interrupts */
-	twi->TWI_CR = AT91C_TWI_SWRST;			/* Reset peripheral */
-	twi->TWI_CR = AT91C_TWI_MSEN | AT91C_TWI_SVDIS;	/* Set Master mode */
-
-	/* Here, CKDIV = 1 and CHDIV=CLDIV  ==> CLDIV = CHDIV = 1/4*((Fmclk/FTWI) -6) */
-	twi->TWI_CWGR = AT91C_TWI_CKDIV1 | AT91C_TWI_CLDIV3 | (AT91C_TWI_CLDIV3 << 8);
-
-	debug ("Found AT91 i2c\n");
-	return;
-}
-#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/at91rm9200/interrupts.c b/cpu/at91rm9200/interrupts.c
deleted file mode 100644
index cccc405..0000000
--- a/cpu/at91rm9200/interrupts.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * (C) Copyright 2002
- * Lineo, Inc. <www.lineo.com>
- * Bernhard Kuhn <bkuhn@lineo.com>
- *
- * (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/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/proc/ptrace.h>
-
-/* the number of clocks per CFG_HZ */
-#define TIMER_LOAD_VAL (CFG_HZ_CLOCK/CFG_HZ)
-
-/* macro to read the 16 bit timer */
-#define READ_TIMER (tmr->TC_CV & 0x0000ffff)
-AT91PS_TC tmr;
-
-#ifdef CONFIG_USE_IRQ
-#error There is no IRQ support for AT91RM9200 in U-Boot 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 ();
-}
-
-static ulong timestamp;
-static ulong lastinc;
-
-int interrupt_init (void)
-{
-
-	tmr = AT91C_BASE_TC0;
-
-	/* enables TC1.0 clock */
-	*AT91C_PMC_PCER = 1 << AT91C_ID_TC0;  /* enable clock */
-
-	*AT91C_TCB0_BCR = 0;
-	*AT91C_TCB0_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_NONE | AT91C_TCB_TC2XC2S_NONE;
-	tmr->TC_CCR = AT91C_TC_CLKDIS;
-#define AT91C_TC_CMR_CPCTRG (1 << 14)
-	/* set to MCLK/2 and restart the timer when the vlaue in TC_RC is reached */
-	tmr->TC_CMR = AT91C_TC_TIMER_DIV1_CLOCK | AT91C_TC_CMR_CPCTRG;
-
-	tmr->TC_IDR = ~0ul;
-	tmr->TC_RC = TIMER_LOAD_VAL;
-	lastinc = 0;
-	tmr->TC_CCR = AT91C_TC_SWTRG | AT91C_TC_CLKEN;
-	timestamp = 0;
-
-	return (0);
-}
-
-/*
- * timer without interrupts
- */
-
-void reset_timer (void)
-{
-	reset_timer_masked ();
-}
-
-ulong get_timer (ulong base)
-{
-	return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
-	timestamp = t;
-}
-
-void udelay (unsigned long usec)
-{
-	udelay_masked(usec);
-}
-
-void reset_timer_masked (void)
-{
-	/* reset time */
-	lastinc = READ_TIMER;
-	timestamp = 0;
-}
-
-ulong get_timer_raw (void)
-{
-	ulong now = READ_TIMER;
-
-	if (now >= lastinc) {
-		/* normal mode */
-		timestamp += now - lastinc;
-	} else {
-		/* we have an overflow ... */
-		timestamp += now + TIMER_LOAD_VAL - lastinc;
-	}
-	lastinc = now;
-
-	return timestamp;
-}
-
-ulong get_timer_masked (void)
-{
-	return get_timer_raw()/TIMER_LOAD_VAL;
-}
-
-void udelay_masked (unsigned long usec)
-{
-	ulong tmo;
-	ulong endtime;
-	signed long diff;
-
-	tmo = CFG_HZ_CLOCK / 1000;
-	tmo *= usec;
-	tmo /= 1000;
-
-	endtime = get_timer_raw () + tmo;
-
-	do {
-		ulong now = get_timer_raw ();
-		diff = endtime - now;
-	} while (diff >= 0);
-}
-
-/*
- * 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 get_timer(0);
-}
-
-/*
- * 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 = CFG_HZ;
-	return tbclk;
-}
diff --git a/cpu/at91rm9200/lowlevel.S b/cpu/at91rm9200/lowlevel.S
deleted file mode 100644
index 05887ad..0000000
--- a/cpu/at91rm9200/lowlevel.S
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- *		       Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- *
- * Modified for the at91rm9200dk board by
- * (C) Copyright 2004
- * Gary Jennejohn, DENX Software Engineering, <garyj@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>
-
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-/*
- * some parameters for the board
- *
- * This is based on rm9200dk.cfg for the BDI2000 from ABATRON which in
- * turn is based on the boot.bin code from ATMEL
- *
- */
-
-/* flash */
-#define MC_PUIA		0xFFFFFF10
-#define MC_PUP		0xFFFFFF50
-#define MC_PUER		0xFFFFFF54
-#define MC_ASR		0xFFFFFF04
-#define MC_AASR		0xFFFFFF08
-#define EBI_CFGR	0xFFFFFF64
-#define SMC2_CSR	0xFFFFFF70
-
-/* clocks */
-#define PLLAR		0xFFFFFC28
-#define PLLBR		0xFFFFFC2C
-#define MCKR		0xFFFFFC30
-
-#define AT91C_BASE_CKGR 0xFFFFFC20
-#define CKGR_MOR 0
-
-/* sdram */
-#define PIOC_ASR	0xFFFFF870
-#define PIOC_BSR	0xFFFFF874
-#define PIOC_PDR	0xFFFFF804
-#define EBI_CSA		0xFFFFFF60
-#define SDRC_CR		0xFFFFFF98
-#define SDRC_MR		0xFFFFFF90
-#define SDRC_TR		0xFFFFFF94
-
-
-_MTEXT_BASE:
-#undef START_FROM_MEM
-#ifdef START_FROM_MEM
-	.word	TEXT_BASE-PHYS_FLASH_1
-#else
-	.word	TEXT_BASE
-#endif
-
-.globl lowlevel_init
-lowlevel_init:
-	/* Get the CKGR Base Address */
-	ldr     r1, =AT91C_BASE_CKGR
-	/* Main oscillator Enable register */
-#ifdef CFG_USE_MAIN_OSCILLATOR
-	ldr     r0, =0x0000FF01		/* Enable main oscillator,  OSCOUNT = 0xFF */
-#else
-	ldr     r0, =0x0000FF00		/* Disable main oscillator, OSCOUNT = 0xFF */
-#endif
-	str     r0, [r1, #CKGR_MOR]
-	/* Add loop to compensate Main Oscillator startup time */
-	ldr     r0, =0x00000010
-LoopOsc:
-	subs    r0, r0, #1
-	bhi     LoopOsc
-
-	/* memory control configuration */
-	/* this isn't very elegant, but	 what the heck */
-	ldr	r0, =SMRDATA
-	ldr	r1, _MTEXT_BASE
-	sub	r0, r0, r1
-	add	r2, r0, #80
-0:
-	/* the address */
-	ldr	r1, [r0], #4
-	/* the value */
-	ldr	r3, [r0], #4
-	str	r3, [r1]
-	cmp	r2, r0
-	bne	0b
-	/* delay - this is all done by guess */
-	ldr	r0, =0x00010000
-1:
-	subs	r0, r0, #1
-	bhi	1b
-	ldr	r0, =SMRDATA1
-	ldr	r1, _MTEXT_BASE
-	sub	r0, r0, r1
-	add	r2, r0, #176
-2:
-	/* the address */
-	ldr	r1, [r0], #4
-	/* the value */
-	ldr	r3, [r0], #4
-	str	r3, [r1]
-	cmp	r2, r0
-	bne	2b
-
-	/* everything is fine now */
-	mov	pc, lr
-
-	.ltorg
-
-SMRDATA:
-	.word MC_PUIA
-	.word MC_PUIA_VAL
-	.word MC_PUP
-	.word MC_PUP_VAL
-	.word MC_PUER
-	.word MC_PUER_VAL
-	.word MC_ASR
-	.word MC_ASR_VAL
-	.word MC_AASR
-	.word MC_AASR_VAL
-	.word EBI_CFGR
-	.word EBI_CFGR_VAL
-	.word SMC2_CSR
-	.word SMC2_CSR_VAL
-	.word PLLAR
-	.word PLLAR_VAL
-	.word PLLBR
-	.word PLLBR_VAL
-	.word MCKR
-	.word MCKR_VAL
-	/* SMRDATA is 80 bytes long */
-	/* here there's a delay of 100 */
-SMRDATA1:
-	.word PIOC_ASR
-	.word PIOC_ASR_VAL
-	.word PIOC_BSR
-	.word PIOC_BSR_VAL
-	.word PIOC_PDR
-	.word PIOC_PDR_VAL
-	.word EBI_CSA
-	.word EBI_CSA_VAL
-	.word SDRC_CR
-	.word SDRC_CR_VAL
-	.word SDRC_MR
-	.word SDRC_MR_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRC_MR
-	.word SDRC_MR_VAL1
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRC_MR
-	.word SDRC_MR_VAL2
-	.word SDRAM1
-	.word SDRAM_VAL
-	.word SDRC_TR
-	.word SDRC_TR_VAL
-	.word SDRAM
-	.word SDRAM_VAL
-	.word SDRC_MR
-	.word SDRC_MR_VAL3
-	.word SDRAM
-	.word SDRAM_VAL
-	/* SMRDATA1 is 176 bytes long */
-#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
diff --git a/cpu/at91rm9200/serial.c b/cpu/at91rm9200/serial.c
deleted file mode 100644
index a9693bf..0000000
--- a/cpu/at91rm9200/serial.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * (C) Copyright 2002
- * Lineo, Inc <www.lineo.com>
- * Bernhard Kuhn <bkuhn@lineo.com>
- *
- * (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/io.h>
-#include <asm/arch/hardware.h>
-
-#if !defined(CONFIG_DBGU) && !defined(CONFIG_USART0) && !defined(CONFIG_USART1)
-#error must define one of CONFIG_DBGU or CONFIG_USART0 or CONFIG_USART1
-#endif
-
-/* ggi thunder */
-#ifdef CONFIG_DBGU
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
-#endif
-#ifdef CONFIG_USART0
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US0;
-#endif
-#ifdef CONFIG_USART1
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US1;
-#endif
-
-void serial_setbrg (void)
-{
-	DECLARE_GLOBAL_DATA_PTR;
-	int baudrate;
-
-	if ((baudrate = gd->baudrate) <= 0)
-		baudrate = CONFIG_BAUDRATE;
-	if (baudrate == 0 || baudrate == CONFIG_BAUDRATE)
-		us->US_BRGR = CFG_AT91C_BRGR_DIVISOR;	/* hardcode so no __divsi3 */
-	else
-		/* MASTER_CLOCK/(16 * baudrate) */
-		us->US_BRGR = (AT91C_MASTER_CLOCK >> 4)/baudrate;
-}
-
-int serial_init (void)
-{
-	/* make any port initializations specific to this port */
-#ifdef CONFIG_DBGU
-	*AT91C_PIOA_PDR = AT91C_PA31_DTXD | AT91C_PA30_DRXD;	/* PA 31 & 30 */
-	*AT91C_PMC_PCER = 1 << AT91C_ID_SYS;	/* enable clock */
-#endif
-#ifdef CONFIG_USART0
-	*AT91C_PIOA_PDR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0;
-	*AT91C_PMC_PCER |= 1 << AT91C_ID_USART0;	/* enable clock */
-#endif
-#ifdef CONFIG_USART1
-	*AT91C_PIOB_PDR = AT91C_PB21_TXD1 | AT91C_PB20_RXD1;
-	*AT91C_PMC_PCER |= 1 << AT91C_ID_USART1;	/* enable clock */
-#endif
-	serial_setbrg ();
-
-	us->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX;
-	us->US_CR = AT91C_US_RXEN | AT91C_US_TXEN;
-	us->US_MR =
-		(AT91C_US_CLKS_CLOCK | AT91C_US_CHRL_8_BITS |
-		 AT91C_US_PAR_NONE | AT91C_US_NBSTOP_1_BIT);
-	us->US_IMR = ~0ul;
-	return (0);
-}
-
-void serial_putc (const char c)
-{
-	if (c == '\n')
-		serial_putc ('\r');
-	while ((us->US_CSR & AT91C_US_TXRDY) == 0);
-	us->US_THR = c;
-}
-
-void serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-int serial_getc (void)
-{
-	while ((us->US_CSR & AT91C_US_RXRDY) == 0);
-	return us->US_RHR;
-}
-
-int serial_tstc (void)
-{
-	return ((us->US_CSR & AT91C_US_RXRDY) == AT91C_US_RXRDY);
-}
diff --git a/cpu/at91rm9200/start.S b/cpu/at91rm9200/start.S
deleted file mode 100644
index 62315fe..0000000
--- a/cpu/at91rm9200/start.S
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- *  armboot - Startup Code for ARM720 CPU-core
- *
- *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
- *  Copyright (c) 2002	Alex Züpke <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 "config.h"
-#include "version.h"
-
-
-/*
- *************************************************************************
- *
- * Jump vector table as in table 3.1 in [1]
- *
- *************************************************************************
- */
-
-
-.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
- *
- *************************************************************************
- */
-
-_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
-
-
-/*
- * the actual reset code
- */
-
-reset:
-	/*
-	 * set the cpu to SVC32 mode
-	 */
-	mrs     r0,cpsr
-	bic     r0,r0,#0x1f
-	orr     r0,r0,#0xd3 /* was 13 */
-	msr     cpsr,r0
-
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-	/* scratch stack */
-/****	ldr 	r1, =0x00204000		****/
-	/* Insure word alignment */
-/****	bic     r1, r1, #3		****/
-	/* Init stack SYS	 */
-/****	mov     sp, r1			****/
-	/*
-	 * This does a lot more than just set up the memory, which
-	 * is why it's called lowlevel_init
-	 */
-	bl	lowlevel_init /* in lowlevel.S */
-
-	/*
-	 * Read/modify/write CP15 control register
-	 * disable MMU, enable I-Cache, select Asychronous Clocking Mode
-	 */
-
-	mrc     p15, 0, r0, c1, c0, 0	@ read cp15 control register (cp15 r1) in r0
-	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
-	bic	r0, r0, #0x0000008f	@ clear bits 7, 3:0 (B--- WCAM)
-	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
-	orr	r0, r0, #0x00000004	@ set bit 3 (C) D-Cache
-	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
-	orr	r0, r0, #0xC0000000	@ set bits 31:30 (iA, nF)
-	mcr     p15, 0, r0, c1, c0, 0	@ write r0 in cp15 control register (cp15 r1)
-#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
-	/*
-	 * relocate exeception table
-	 */
-	ldr	r0, =_start
-	ldr	r1, =0x0
-	mov	r2, #16
-copyex:
-	subs	r2, r2, #1
-	ldr	r3, [r0], #4
-	str	r3, [r1], #4
-	bne	copyex
-
-	/*
-	 * we do sys-critical inits only at reboot,
-	 * not when booting from ram!
-	 */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-	bl      cpu_init_crit
-#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 addreee [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, #CFG_MALLOC_LEN	/* malloc area                      */
-	sub	r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo                        */
-#ifdef CONFIG_USE_IRQ
-	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
-#endif
-	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
- *
- *************************************************************************
- */
-
-cpu_init_crit:
-	/* do nothing for now */
-	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
-#define I_BIT	 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
-	.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+CFG_MALLOC_LEN)
-	sub	r2, r2, #(CFG_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
-
-	.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+CFG_MALLOC_LEN)
-	sub	r13, r13, #(CFG_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
-	/* someone ought to write a more effiction fiq_save_user_regs */
-	irq_save_user_regs
-	bl 	do_fiq
-	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
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	mov     pc, r0