Add missing Blackfin files.

16 files changed, 3135 insertions, 0 deletions

diff --git a/cpu/bf533/Makefile b/cpu/bf533/Makefile
new file mode 100644
index 0000000..c63a8f6
--- /dev/null
+++ b/cpu/bf533/Makefile
@@ -0,0 +1,46 @@
+# U-boot - Makefile
+#
+# Copyright (c) 2005 blackfin.uclinux.org
+#
+# (C) Copyright 2000-2004
+# 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 start1.o interrupt.o cache.o cplbhdlr.o cplbmgr.o flush.o
+OBJS	= cpu.o traps.o ints.o serial.o interrupts.o
+
+all:	.depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(START:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/cpu/bf533/bf533_serial.h b/cpu/bf533/bf533_serial.h
new file mode 100644
index 0000000..ec63a5e
--- /dev/null
+++ b/cpu/bf533/bf533_serial.h
@@ -0,0 +1,78 @@
+/*
+ * U-boot - bf533_serial.h Serial Driver defines
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on 
+ * bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver.
+ * Copyright (C) 2003	Bas Vermeulen <bas@buyways.nl>
+ * 			BuyWays B.V. (www.buyways.nl)
+ *
+ * Based heavily on:
+ * blkfinserial.h: Definitions for the BlackFin DSP serial driver.
+ *
+ * Copyright (C) 2001	Tony Z. Kou	tonyko@arcturusnetworks.com
+ * Copyright (C) 2001   Arcturus Networks Inc. <www.arcturusnetworks.com>
+ *
+ * Based on code from 68328serial.c which was:
+ * Copyright (C) 1995       David S. Miller    <davem@caip.rutgers.edu>
+ * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
+ * Copyright (C) 1998, 1999 D. Jeff Dionne     <jeff@uclinux.org>
+ * Copyright (C) 1999       Vladimir Gurevich  <vgurevic@cisco.com>
+ *
+ * (C) Copyright 2000-2004
+ * 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
+ */
+
+#ifndef _Bf533_SERIAL_H
+#define _Bf533_SERIAL_H
+
+#include <linux/config.h>
+#include <asm/blackfin.h>
+
+#define SYNC_ALL	__asm__ __volatile__ ("ssync;\n")
+#define ACCESS_LATCH	*pUART_LCR |= UART_LCR_DLAB;
+#define ACCESS_PORT_IER	*pUART_LCR &= (~UART_LCR_DLAB);
+
+void serial_setbrg(void);
+static void local_put_char(char ch);
+void calc_baud(void);
+void serial_setbrg(void);
+int serial_init(void);
+void serial_putc(const char c);
+int serial_tstc(void);
+int serial_getc(void);
+void serial_puts(const char *s);
+static void local_put_char(char ch);
+
+extern int get_clock(void);
+int baud_table[5] = {9600, 19200, 38400, 57600, 115200};
+
+struct {
+	unsigned char dl_high;
+	unsigned char dl_low;
+} hw_baud_table[5];
+
+#ifdef CONFIG_STAMP
+extern unsigned long pll_div_fact;
+#endif
+
+#endif
diff --git a/cpu/bf533/cache.S b/cpu/bf533/cache.S
new file mode 100644
index 0000000..1822d1f
--- /dev/null
+++ b/cpu/bf533/cache.S
@@ -0,0 +1,125 @@
+
+
+#define ASSEMBLY
+#include <asm/linkage.h>
+#include <asm/cpu/def_LPBlackfin.h>
+
+.text
+.align 2
+ENTRY(blackfin_icache_flush_range)
+	R2 = -32;
+	R2 = R0 & R2;
+	P0 = R2;
+	P1 = R1;
+	CSYNC;
+1:
+	IFLUSH[P0++];
+	CC = P0 < P1(iu);
+	IF CC JUMP 1b(bp);
+	IFLUSH[P0];
+	SSYNC;
+	RTS;
+
+ENTRY(blackfin_dcache_flush_range)
+	R2 = -32;
+        R2 = R0 & R2;
+        P0 = R2;
+        P1 = R1;
+        CSYNC;
+1:
+        FLUSH[P0++];
+        CC = P0 < P1(iu);
+        IF CC JUMP 1b(bp);
+        FLUSH[P0];
+        SSYNC;
+        RTS;
+
+ENTRY(_icache_invalidate)
+ENTRY(invalidate_entire_icache)
+        [--SP] = ( R7:5);
+                                                                                                                                                             
+        P0.L = (IMEM_CONTROL & 0xFFFF);
+        P0.H = (IMEM_CONTROL >> 16);
+        R7 = [P0];
+                                                                                                                                                             
+        /* Clear the IMC bit , All valid bits in the instruction
+         * cache are set to the invalid state
+         */
+        BITCLR(R7,IMC_P);
+        CLI R6;
+        SSYNC;          /* SSYNC required before invalidating cache. */
+        .align 8;
+        [P0] = R7;
+        SSYNC;
+        STI R6;
+                                                                                                                                                             
+        /* Configures the instruction cache agian */
+        R6 = (IMC | ENICPLB);
+        R7 = R7 | R6;
+                                                                                                                                                             
+        CLI R6;
+        SSYNC;          /* SSYNC required before writing to IMEM_CONTROL. */
+        .align 8;
+        [P0] = R7;
+        SSYNC;
+        STI R6;
+                                                                                                                                                             
+        ( R7:5) = [SP++];
+        RTS;
+
+/* Invalidate the Entire Data cache by
+ * clearing DMC[1:0] bits
+ */
+ENTRY(invalidate_entire_dcache)
+ENTRY(_dcache_invalidate)
+        [--SP] = ( R7:6);
+                                                                                                                                                             
+        P0.L = (DMEM_CONTROL & 0xFFFF);
+        P0.H = (DMEM_CONTROL >> 16);
+        R7 = [P0];
+                                                                                                                                                             
+        /* Clear the DMC[1:0] bits, All valid bits in the data
+         * cache are set to the invalid state
+         */
+        BITCLR(R7,DMC0_P);
+        BITCLR(R7,DMC1_P);
+        CLI R6;
+        SSYNC;          /* SSYNC required before writing to DMEM_CONTROL. */
+        .align 8;
+        [P0] = R7;
+        SSYNC;
+        STI R6;
+                                                                                                                                                             
+        /* Configures the data cache again */
+                                                                                                                                                             
+        R6 = (ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
+        R7 = R7 | R6;
+                                                                                                                                                             
+        CLI R6;
+        SSYNC;          /* SSYNC required before writing to DMEM_CONTROL. */
+        .align 8;
+        [P0] = R7;
+        SSYNC;
+        STI R6;
+                                                                                                                                                             
+        ( R7:6) = [SP++];
+        RTS;
+
+ENTRY(blackfin_dcache_invalidate_range)
+	R2 = -32;
+	R2 = R0 & R2;
+	P0 = R2;
+	P1 = R1;
+	CSYNC;
+1:
+	FLUSHINV[P0++];
+	CC = P0 < P1 (iu);
+	IF CC JUMP 1b (bp);
+
+	/* If the data crosses a cache line, then we'll be pointing to
+	** the last cache line, but won't have flushed/invalidated it yet, so do
+	** one more.
+	*/
+	FLUSHINV[P0];
+	SSYNC;
+	RTS;
diff --git a/cpu/bf533/config.mk b/cpu/bf533/config.mk
new file mode 100644
index 0000000..a9d529e
--- /dev/null
+++ b/cpu/bf533/config.mk
@@ -0,0 +1,27 @@
+# U-boot - config.mk
+#
+# Copyright (c) 2005 blackfin.uclinux.org
+#
+# (C) Copyright 2000-2004
+# 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
+#
+
+PLATFORM_RELFLAGS += -ffixed-P5
diff --git a/cpu/bf533/cplbhdlr.S b/cpu/bf533/cplbhdlr.S
new file mode 100644
index 0000000..b5abbbc
--- /dev/null
+++ b/cpu/bf533/cplbhdlr.S
@@ -0,0 +1,194 @@
+/* Copyright (C) 2003 Analog Devices, Inc. All Rights Reserved. 
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. 
+ *
+ * Blackfin BF533/2.6 support : LG Soft India	
+ */
+
+
+/* Include an exception handler to invoke the CPLB manager
+ */
+
+#include <asm-blackfin/linkage.h>
+#include <asm/cplb.h>
+#include <asm/entry.h>
+
+
+.text
+ 
+.globl _cplb_hdr;
+.type _cplb_hdr, STT_FUNC;
+.extern _cplb_mgr;
+.type _cplb_mgr, STT_FUNC;
+.extern __unknown_exception_occurred;
+.type __unknown_exception_occurred, STT_FUNC;
+.extern __cplb_miss_all_locked;
+.type __cplb_miss_all_locked, STT_FUNC;
+.extern __cplb_miss_without_replacement;
+.type __cplb_miss_without_replacement, STT_FUNC;
+.extern __cplb_protection_violation;
+.type __cplb_protection_violation, STT_FUNC;
+.extern panic_pv;
+
+.align 2;
+
+ENTRY(_cplb_hdr)
+	SSYNC;
+	[--SP] = ( R7:0, P5:0 );
+	[--SP] = ASTAT;
+	[--SP] = SEQSTAT;
+	[--SP] = I0;
+	[--SP] = I1;
+	[--SP] = I2;
+	[--SP] = I3;
+	[--SP] = LT0;
+	[--SP] = LB0;
+	[--SP] = LC0;
+	[--SP] = LT1;
+	[--SP] = LB1;
+	[--SP] = LC1;
+	R2 = SEQSTAT;
+
+	/*Mask the contents of SEQSTAT and leave only EXCAUSE in R2*/
+	R2 <<= 26;
+	R2 >>= 26;
+
+	R1 = 0x23; /* Data access CPLB protection violation */
+	CC = R2 == R1;
+	IF !CC JUMP not_data_write;
+	R0 = 2;		/* is a write to data space*/
+	JUMP is_icplb_miss;
+
+not_data_write:
+	R1 = 0x2C; /* CPLB miss on an instruction fetch */
+	CC = R2 == R1;
+	R0 = 0;		/* is_data_miss == False*/
+	IF CC JUMP is_icplb_miss;
+
+	R1 = 0x26;
+	CC = R2 == R1;
+	IF !CC JUMP unknown;
+
+	R0 = 1;		/* is_data_miss == True*/
+
+is_icplb_miss:
+
+#if ( defined (CONFIG_BLKFIN_CACHE) || defined (CONFIG_BLKFIN_DCACHE))
+#if ( defined (CONFIG_BLKFIN_CACHE) && !defined (CONFIG_BLKFIN_DCACHE))
+	R1 = CPLB_ENABLE_ICACHE; 
+#endif
+#if ( !defined (CONFIG_BLKFIN_CACHE) && defined (CONFIG_BLKFIN_DCACHE))
+	R1 = CPLB_ENABLE_DCACHE; 
+#endif
+#if ( defined (CONFIG_BLKFIN_CACHE) && defined (CONFIG_BLKFIN_DCACHE))
+	R1 = CPLB_ENABLE_DCACHE | CPLB_ENABLE_ICACHE; 
+#endif
+#else
+	R1 = 0;
+#endif
+
+	[--SP] = RETS;			
+	CALL _cplb_mgr;
+	RETS = [SP++];
+	CC = R0 == 0;
+	IF !CC JUMP not_replaced;
+	LC1 = [SP++];
+	LB1 = [SP++];
+	LT1 = [SP++];
+	LC0 = [SP++];
+	LB0 = [SP++];
+	LT0 = [SP++];
+	I3 = [SP++];
+	I2 = [SP++];
+	I1 = [SP++];
+	I0 = [SP++];
+	SEQSTAT = [SP++];
+	ASTAT = [SP++];
+	( R7:0, P5:0 ) = [SP++];
+	RTS;
+
+unknown:
+	[--SP] = RETS;			
+	CALL __unknown_exception_occurred;
+	RETS = [SP++];
+	JUMP unknown;
+not_replaced:
+	CC = R0 == CPLB_NO_UNLOCKED;
+	IF !CC JUMP next_check;
+	[--SP] = RETS;			
+	CALL __cplb_miss_all_locked;
+	RETS = [SP++];
+next_check:
+	CC = R0 == CPLB_NO_ADDR_MATCH;
+	IF !CC JUMP next_check2;
+	[--SP] = RETS;			
+	CALL __cplb_miss_without_replacement;
+	RETS = [SP++];
+	JUMP not_replaced;
+next_check2:
+	CC = R0 == CPLB_PROT_VIOL;
+	IF !CC JUMP strange_return_from_cplb_mgr;
+	[--SP] = RETS;			
+	CALL __cplb_protection_violation;
+	RETS = [SP++];
+	JUMP not_replaced;
+strange_return_from_cplb_mgr:
+	IDLE;
+	CSYNC;
+	JUMP strange_return_from_cplb_mgr;
+
+/************************************
+ * Diagnostic exception handlers 
+ */	
+
+__cplb_miss_all_locked:
+	sp += -12;
+	R0 = CPLB_NO_UNLOCKED;
+	call panic_bfin;
+	SP += 12;
+	RTS;
+
+ __cplb_miss_without_replacement:
+	sp += -12;
+	R0 = CPLB_NO_ADDR_MATCH;
+	call panic_bfin;
+	SP += 12;
+	RTS;
+
+__cplb_protection_violation:
+	sp += -12;
+	R0 = CPLB_PROT_VIOL;
+	call panic_bfin;
+	SP += 12;
+	RTS;
+
+__unknown_exception_occurred:
+
+	/* This function is invoked by the default exception
+	 * handler, if it does not recognise the kind of
+	 * exception that has occurred. In other words, the
+	 * default handler only handles some of the system's
+	 * exception types, and it does not expect any others
+	 * to occur. If your application is going to be using
+	 * other kinds of exceptions, you must replace the
+	 * default handler with your own, that handles all the
+	 * exceptions you will use.
+	 * 
+	 * Since there's nothing we can do, we just loop here
+	 * at what we hope is a suitably informative label.
+	 */
+	
+	IDLE;
+do_not_know_what_to_do:
+	CSYNC;
+	JUMP __unknown_exception_occurred;
+
+	RTS;
+.__unknown_exception_occurred.end:
+.global __unknown_exception_occurred;
+.type __unknown_exception_occurred, STT_FUNC;
+
+panic_bfin:
+	RTS;
+
diff --git a/cpu/bf533/cplbmgr.S b/cpu/bf533/cplbmgr.S
new file mode 100644
index 0000000..fc3e3a8
--- /dev/null
+++ b/cpu/bf533/cplbmgr.S
@@ -0,0 +1,601 @@
+/*This file is subject to the terms and conditions of the GNU General Public
+ * License.
+ *
+ * Blackfin BF533/2.6 support : LG Soft India
+ * Modification: Dec 07 2004
+ *	1. Correction in icheck_lock.  Valid lock entries were 
+ *	   geting victimized, for instruction cplb replacement.
+ *	2. Setup loop's are modified as now toolchain support's P Indexed
+ *	   addressing
+ *	   :LG Soft India
+ *
+ */
+
+/* Usage: int _cplb_mgr(is_data_miss,int enable_cache)
+ * is_data_miss==2 => Mark as Dirty, write to the clean data page
+ * is_data_miss==1 => Replace a data CPLB.
+ * is_data_miss==0 => Replace an instruction CPLB.
+ *
+ * Returns:
+ * CPLB_RELOADED	=> Successfully updated CPLB table.
+ * CPLB_NO_UNLOCKED	=> All CPLBs are locked, so cannot be evicted.This indicates 
+ *				that the CPLBs in the configuration tablei are badly 
+ *				configured, as this should never occur.
+ * CPLB_NO_ADDR_MATCH	=> The address being accessed, that triggered the exception, 
+ *				is not covered by any of the CPLBs in the configuration 
+ *				table. The application isi presumably misbehaving.
+ * CPLB_PROT_VIOL	=> The address being accessed, that triggered thei exception, 
+ *				was not a first-write to a clean Write Back Data page, 
+ *				and so presumably is a genuine violation of the page's 
+ *				protection attributes. The application is misbehaving.
+ */
+#define ASSEMBLY
+
+#include <asm-blackfin/linkage.h>
+#include <asm-blackfin/blackfin.h>
+#include <asm-blackfin/cplbtab.h>
+#include <asm-blackfin/cplb.h>
+ 	
+.text
+ 
+.align 2;
+ENTRY(_cplb_mgr)
+
+	[--SP]=( R7:0,P5:0 );
+
+	CC = R0 == 2;
+	IF CC JUMP dcplb_write;
+
+	CC = R0 == 0;
+	IF !CC JUMP dcplb_miss_compare;
+
+	/* ICPLB Miss Exception. We need to choose one of the
+	* currently-installed CPLBs, and replace it with one
+	* from the configuration table.	
+ 	*/
+
+	P4.L = (ICPLB_FAULT_ADDR & 0xFFFF);
+	P4.H = (ICPLB_FAULT_ADDR >> 16);
+
+	P1 = 16;
+	P5.L = page_size_table;
+	P5.H = page_size_table;
+
+	P0.L = (ICPLB_DATA0 & 0xFFFF);
+	P0.H = (ICPLB_DATA0 >> 16);
+	R4 = [P4];		/* Get faulting address*/
+	R6 = 64;		/* Advance past the fault address, which*/
+	R6 = R6 + R4;		/* we'll use if we find a match*/
+	R3 = ((16 << 8) | 2);	/* Extract mask, bits 16 and 17.*/
+
+	R5 = 0;
+isearch:
+
+	R1 = [P0-0x100];	/* Address for this CPLB */
+	
+	R0 = [P0++];		/* Info for this CPLB*/
+	CC = BITTST(R0,0);	/* Is the CPLB valid?*/
+	IF !CC JUMP nomatch;	/* Skip it, if not.*/
+	CC = R4 < R1(IU);	/* If fault address less than page start*/
+	IF CC JUMP nomatch;	/* then skip this one.*/
+	R2 = EXTRACT(R0,R3.L) (Z);	/* Get page size*/
+	P1 = R2;
+	P1 = P5 + (P1<<2);	/* index into page-size table*/
+	R2 = [P1];		/* Get the page size*/
+	R1 = R1 + R2;		/* and add to page start, to get page end*/
+	CC = R4 < R1(IU);	/* and see whether fault addr is in page.*/
+	IF !CC R4 = R6;		/* If so, advance the address and finish loop.*/
+	IF !CC JUMP isearch_done;
+nomatch:
+	/* Go around again*/
+	R5 += 1;
+	CC = BITTST(R5, 4);	/* i.e CC = R5 >= 16*/
+	IF !CC JUMP isearch;
+
+isearch_done:
+	I0 = R4;		/* Fault address we'll search for*/
+	
+	/* set up pointers */
+	P0.L = (ICPLB_DATA0 & 0xFFFF);
+	P0.H = (ICPLB_DATA0 >> 16);
+
+	/* The replacement procedure for ICPLBs */
+
+	P4.L = (IMEM_CONTROL & 0xFFFF);
+	P4.H = (IMEM_CONTROL >> 16);
+
+	/* disable cplbs */
+	R5 = [P4];		/* Control Register*/
+	BITCLR(R5,ENICPLB_P);
+	CLI R1;
+	SSYNC;		/* SSYNC required before writing to IMEM_CONTROL. */
+	.align 8;
+	[P4] = R5;
+	SSYNC;
+	STI R1;
+
+	R1 = -1;		/* end point comparison */
+	R3 = 16;		/* counter */
+
+	/* Search through CPLBs for first non-locked entry */
+	/* Overwrite it by moving everyone else up by 1 */
+icheck_lock:
+	R0 = [P0++];
+	R3 = R3 + R1;
+	CC = R3 == R1;
+	IF CC JUMP all_locked;
+	CC = BITTST(R0, 0);		/* an invalid entry is good */
+	IF !CC JUMP ifound_victim;
+	CC = BITTST(R0,1);		/* but a locked entry isn't */
+	IF CC JUMP icheck_lock;
+
+ifound_victim:
+#ifdef CONFIG_CPLB_INFO
+	R7 = [P0 - 0x104];
+	P2.L = ipdt_table;
+	P2.H = ipdt_table;
+	P3.L = ipdt_swapcount_table;
+	P3.H = ipdt_swapcount_table;
+	P3 += -4;
+icount:
+	R2 = [P2];	/* address from config table */			
+	P2 += 8;
+	P3 += 8;
+	CC = R2==-1;
+	IF CC JUMP icount_done;
+	CC = R7==R2;
+	IF !CC JUMP icount;
+	R7 = [P3];
+	R7 += 1;
+	[P3] = R7;
+	CSYNC;
+icount_done:
+#endif
+	LC0=R3;
+	LSETUP(is_move,ie_move) LC0;
+is_move: 
+	R0 = [P0];
+	[P0 - 4] = R0;
+	R0 = [P0 - 0x100];
+	[P0-0x104] = R0; 
+ie_move:P0+=4;
+	
+	/* We've made space in the ICPLB table, so that ICPLB15
+	 * is now free to be overwritten. Next, we have to determine
+	 * which CPLB we need to install, from the configuration
+	 * table. This is a matter of getting the start-of-page
+	 * addresses and page-lengths from the config table, and
+	 * determining whether the fault address falls within that
+	 * range.
+ 	 */
+	
+	P2.L = ipdt_table;
+	P2.H = ipdt_table;
+#ifdef	CONFIG_CPLB_INFO
+	P3.L = ipdt_swapcount_table;
+	P3.H = ipdt_swapcount_table;
+	P3 += -8;
+#endif
+	P0.L = page_size_table;
+	P0.H = page_size_table;
+
+	/* Retrieve our fault address (which may have been advanced
+	 * because the faulting instruction crossed a page boundary).
+	 */
+
+	R0 = I0;
+
+	/* An extraction pattern, to get the page-size bits from
+	 * the CPLB data entry. Bits 16-17, so two bits at posn 16.
+	 */
+
+	R1 = ((16<<8)|2);
+inext:	R4 = [P2++];	/* address from config table */			
+	R2 = [P2++];	/* data from config table */
+#ifdef	CONFIG_CPLB_INFO
+	P3 += 8;
+#endif
+
+	CC = R4 == -1;	/* End of config table*/
+	IF CC JUMP no_page_in_table;
+
+	/* See if failed address > start address */
+	CC = R4 <= R0(IU);
+ 	IF !CC JUMP inext;
+
+	/* extract page size (17:16)*/
+	R3 = EXTRACT(R2, R1.L) (Z);
+
+	/* add page size to addr to get range */
+
+	P5 = R3;
+	P5 = P0 + (P5 << 2);	/* scaled, for int access*/
+	R3 = [P5];
+	R3 = R3 + R4;
+
+	/* See if failed address < (start address + page size) */
+	CC = R0 < R3(IU);
+	IF !CC JUMP inext;
+
+	/* We've found a CPLB in the config table that covers
+	 * the faulting address, so install this CPLB into the
+	 * last entry of the table.
+	 */
+
+	P1.L = (ICPLB_DATA15 & 0xFFFF);		/*ICPLB_DATA15*/
+	P1.H = (ICPLB_DATA15 >> 16);
+	[P1] = R2;
+	[P1-0x100] = R4;
+#ifdef	CONFIG_CPLB_INFO
+	R3 = [P3];
+	R3 += 1;
+	[P3] = R3;
+#endif
+
+	/* P4 points to IMEM_CONTROL, and R5 contains its old
+	 * value, after we disabled ICPLBS. Re-enable them.
+	 */
+
+	BITSET(R5,ENICPLB_P);
+	CLI R2;
+	SSYNC;		/* SSYNC required before writing to IMEM_CONTROL. */
+	.align 8;
+	[P4] = R5;
+	SSYNC;
+	STI R2;
+
+	( R7:0,P5:0 ) = [SP++];
+	R0 = CPLB_RELOADED;
+	RTS;
+
+/* FAILED CASES*/
+no_page_in_table:
+        ( R7:0,P5:0 ) = [SP++];
+        R0 = CPLB_NO_ADDR_MATCH;
+        RTS;
+all_locked:
+        ( R7:0,P5:0 ) = [SP++];
+        R0 = CPLB_NO_UNLOCKED;
+        RTS;
+prot_violation:
+        ( R7:0,P5:0 ) = [SP++];
+        R0 = CPLB_PROT_VIOL;
+        RTS;
+
+dcplb_write:
+
+	/* if a DCPLB is marked as write-back (CPLB_WT==0), and
+	 * it is clean (CPLB_DIRTY==0), then a write to the
+	 * CPLB's page triggers a protection violation. We have to
+	 * mark the CPLB as dirty, to indicate that there are
+	 * pending writes associated with the CPLB.
+	 */
+
+	P4.L = (DCPLB_STATUS & 0xFFFF);
+	P4.H = (DCPLB_STATUS >> 16);
+	P3.L = (DCPLB_DATA0 & 0xFFFF);
+	P3.H = (DCPLB_DATA0 >> 16);
+	R5 = [P4];	
+
+	/* A protection violation can be caused by more than just writes
+	 * to a clean WB page, so we have to ensure that:
+	 * - It's a write
+	 * - to a clean WB page
+	 * - and is allowed in the mode the access occurred.
+	 */
+
+	CC = BITTST(R5, 16);	/* ensure it was a write*/
+	IF !CC JUMP prot_violation;
+
+	/* to check the rest, we have to retrieve the DCPLB.*/
+
+	/* The low half of DCPLB_STATUS is a bit mask*/
+
+	R2 = R5.L (Z);	/* indicating which CPLB triggered the event.*/
+	R3 = 30;	/* so we can use this to determine the offset*/
+	R2.L = SIGNBITS R2;
+	R2 = R2.L (Z);	/* into the DCPLB table.*/
+	R3 = R3 - R2;
+	P4 = R3;
+	P3 = P3 + (P4<<2);
+	R3 = [P3];	/* Retrieve the CPLB*/
+
+	/* Now we can check whether it's a clean WB page*/
+
+	CC = BITTST(R3, 14);	/* 0==WB, 1==WT*/
+	IF CC JUMP prot_violation;
+	CC = BITTST(R3, 7);	/* 0 == clean, 1 == dirty*/
+	IF CC JUMP prot_violation;
+
+	/* Check whether the write is allowed in the mode that was active.*/
+
+	R2 = 1<<3;		/* checking write in user mode*/
+	CC = BITTST(R5, 17);	/* 0==was user, 1==was super*/
+	R5 = CC;
+	R2 <<= R5;		/* if was super, check write in super mode*/
+	R2 = R3 & R2;
+	CC = R2 == 0;
+	IF CC JUMP prot_violation;	
+
+	/* It's a genuine write-to-clean-page.*/
+
+	BITSET(R3, 7);		/* mark as dirty*/
+	[P3] = R3;		/* and write back.*/
+	CSYNC;
+	( R7:0,P5:0 ) = [SP++];
+	R0 = CPLB_RELOADED;
+	RTS;
+
+dcplb_miss_compare:
+
+	/* Data CPLB Miss event. We need to choose a CPLB to
+	 * evict, and then locate a new CPLB to install from the
+	 * config table, that covers the faulting address.
+	 */
+
+	P1.L = (DCPLB_DATA15 & 0xFFFF);	
+	P1.H = (DCPLB_DATA15 >> 16);
+
+	P4.L = (DCPLB_FAULT_ADDR & 0xFFFF);
+	P4.H = (DCPLB_FAULT_ADDR >> 16);
+	R4 = [P4];
+	I0 = R4;
+
+	/* The replacement procedure for DCPLBs*/
+
+	R6 = R1;	/* Save for later*/
+
+	/* Turn off CPLBs while we work.*/
+	P4.L = (DMEM_CONTROL & 0xFFFF);
+	P4.H = (DMEM_CONTROL >> 16);
+	R5 = [P4];
+	BITCLR(R5,ENDCPLB_P);
+	CLI R0;
+	SSYNC;		/* SSYNC required before writing to DMEM_CONTROL. */
+	.align 8;
+	[P4] = R5;
+	SSYNC;
+	STI R0;
+
+	/* Start looking for a CPLB to evict. Our order of preference
+	 * is: invalid CPLBs, clean CPLBs, dirty CPLBs. Locked CPLBs
+	 * are no good.
+	 */
+
+	I1.L = (DCPLB_DATA0 & 0xFFFF);
+	I1.H = (DCPLB_DATA0 >> 16);
+	P1 = 3;
+	P2 = 16;
+	I2.L = dcplb_preference;
+	I2.H = dcplb_preference;
+	LSETUP(sdsearch1, edsearch1) LC0 = P1;
+sdsearch1:
+	R0 = [I2++];		/* Get the bits we're interested in*/
+	P0 = I1;		/* Go back to start of table*/
+	LSETUP (sdsearch2, edsearch2) LC1 = P2;
+sdsearch2:
+	R1 = [P0++];		/* Fetch each installed CPLB in turn*/
+	R2 = R1 & R0;		/* and test for interesting bits.*/
+	CC = R2 == 0;		/* If none are set, it'll do.*/
+	IF !CC JUMP skip_stack_check;
+
+	R2 = [P0 - 0x104]; 	/* R2 - PageStart */
+	P3.L = page_size_table; /* retrive end address */
+	P3.H = page_size_table; /* retrive end address */
+	R3 = 0x2;		/* 0th - position, 2 bits -length */
+	nop;			/*Anamoly 05000209*/
+	R7 = EXTRACT(R1,R3.l);
+	R7 = R7 << 2;		/* Page size index offset */
+	P5 = R7;
+	P3 = P3 + P5;
+	R7 = [P3];		/* page size in 1K bytes */
+
+	R7 = R7 << 0xA;		/* in bytes * 1024*/
+	R7 = R2 + R7;		/* R7 - PageEnd */
+	R4 = SP; 		/* Test SP is in range */
+
+	CC = R7 < R4;		/* if PageEnd < SP */
+	IF CC JUMP dfound_victim;
+	R3 = 0x284;		/* stack length from start of trap till the point */
+				/* 20 stack locations for future modifications */
+	R4 = R4 + R3;	
+	CC = R4 < R2;		/* if SP + stacklen < PageStart */
+	IF CC JUMP dfound_victim;
+skip_stack_check:
+
+edsearch2: NOP;
+edsearch1: NOP;
+
+	/* If we got here, we didn't find a DCPLB we considered
+	 * replacable, which means all of them were locked.
+	 */
+	
+	JUMP all_locked;
+dfound_victim:
+
+#ifdef CONFIG_CPLB_INFO
+	R1 = [P0 - 0x104];
+	P2.L = dpdt_table;
+	P2.H = dpdt_table;
+	P3.L = dpdt_swapcount_table;
+	P3.H = dpdt_swapcount_table;
+	P3 += -4;
+dicount:
+	R2 = [P2];
+	P2 += 8;
+	P3 += 8;
+	CC = R2==-1;
+	IF CC JUMP dicount_done;
+	CC = R1==R2;
+	IF !CC JUMP dicount;
+	R1 = [P3];
+	R1 += 1;
+	[P3] = R1;
+	CSYNC;
+dicount_done:
+#endif
+
+	/* Clean down the hardware loops*/
+	R2 = 0;
+	LC1 = R2;
+	LC0 = R2;
+
+	/* There's a suitable victim in [P0-4] (because we've
+	 * advanced already). If it's a valid dirty write-back
+	 * CPLB, we need to flush the pending writes first.
+	 */
+
+	CC = BITTST(R1, 0);	/* Is it valid?*/
+	IF !CC JUMP Ddoverwrite;/* nope.*/
+	CC = BITTST(R1, 7);	/* Is it dirty?*/
+	IF !CC JUMP Ddoverwrite (BP);	/* Nope.*/
+	CC = BITTST(R1, 14);	/* Is it Write-Through?*/
+	IF CC JUMP Ddoverwrite;	/* Yep*/
+
+	/* This is a dirty page, so we need to flush all writes
+	 * that are pending on the page.
+	 */
+
+	/* Retrieve the page start address*/
+        R0 = [P0 - 0x104];
+	[--sp] = rets;
+	CALL dcplb_flush;	/* R0==CPLB addr, R1==CPLB data*/
+	rets = [sp++];
+Ddoverwrite:
+
+	/* [P0-4] is a suitable victim CPLB, so we want to
+	 * overwrite it by moving all the following CPLBs
+	 * one space closer to the start.
+	 */
+	
+	R1.L = ((DCPLB_DATA15+4) & 0xFFFF);		/*DCPLB_DATA15+4*/
+	R1.H = ((DCPLB_DATA15+4) >> 16);
+	R0 = P0;
+
+	/* If the victim happens to be in DCPLB15,
+	 * we don't need to move anything.
+	 */
+
+	CC = R1 == R0;
+	IF CC JUMP de_moved;
+	R1 = R1 - R0;
+	R1 >>= 2;
+	P1 = R1;
+	LSETUP(ds_move, de_move) LC0=P1;
+ds_move:
+	 R0 = [P0++];	/* move data */
+	[P0 - 8] = R0;
+	R0 = [P0-0x104]	/* move address */
+de_move: [P0-0x108] = R0;
+
+	/* We've now made space in DCPLB15 for the new CPLB to be
+	 * installed. The next stage is to locate a CPLB in the
+	 * config table that covers the faulting address.
+	 */
+
+de_moved:NOP;
+	R0 = I0;		/* Our faulting address */
+
+	P2.L = dpdt_table;
+	P2.H = dpdt_table;
+#ifdef	CONFIG_CPLB_INFO
+	P3.L = dpdt_swapcount_table;
+	P3.H = dpdt_swapcount_table;
+	P3 += -8;
+#endif
+
+	P1.L = page_size_table;
+	P1.H = page_size_table;
+
+	/* An extraction pattern, to retrieve bits 17:16.*/
+
+	R1 = (16<<8)|2;
+dnext:	R4 = [P2++];	/* address */			
+	R2 = [P2++];	/* data */
+#ifdef	CONFIG_CPLB_INFO
+	P3 += 8;
+#endif
+
+	CC = R4 == -1;
+	IF CC JUMP no_page_in_table;
+
+	/* See if failed address > start address */
+	CC = R4 <= R0(IU);
+ 	IF !CC JUMP dnext;
+
+	/* extract page size (17:16)*/
+	R3 = EXTRACT(R2, R1.L) (Z);
+
+	/* add page size to addr to get range */
+
+	P5 = R3;
+	P5 = P1 + (P5 << 2);
+	R3 = [P5];
+	R3 = R3 + R4;
+
+	/* See if failed address < (start address + page size) */
+	CC = R0 < R3(IU);
+	IF !CC JUMP dnext;
+
+	/* We've found the CPLB that should be installed, so
+	 * write it into CPLB15, masking off any caching bits
+	 * if necessary.
+	 */
+
+	P1.L = (DCPLB_DATA15 & 0xFFFF);
+	P1.H = (DCPLB_DATA15 >> 16);
+
+	/* If the DCPLB has cache bits set, but caching hasn't
+	 * been enabled, then we want to mask off the cache-in-L1
+	 * bit before installing. Moreover, if caching is off, we
+	 * also want to ensure that the DCPLB has WT mode set, rather
+	 * than WB, since WB pages still trigger first-write exceptions
+	 * even when not caching is off, and the page isn't marked as
+	 * cachable. Finally, we could mark the page as clean, not dirty,
+	 * but we choose to leave that decision to the user; if the user
+	 * chooses to have a CPLB pre-defined as dirty, then they always
+	 * pay the cost of flushing during eviction, but don't pay the
+	 * cost of first-write exceptions to mark the page as dirty.
+	 */
+
+#ifdef CONFIG_BLKFIN_WT
+	BITSET(R6, 14);		/* Set WT*/
+#endif
+
+	[P1] = R2;
+	[P1-0x100] = R4;
+#ifdef	CONFIG_CPLB_INFO
+	R3 = [P3];
+	R3 += 1;
+	[P3] = R3;
+#endif
+
+	/* We've installed the CPLB, so re-enable CPLBs. P4
+	 * points to DMEM_CONTROL, and R5 is the value we
+	 * last wrote to it, when we were disabling CPLBs.
+	 */
+
+	BITSET(R5,ENDCPLB_P);
+	CLI R2;
+	.align 8;
+	[P4] = R5;
+	SSYNC;
+	STI R2;
+
+	( R7:0,P5:0 ) = [SP++];
+	R0 = CPLB_RELOADED;
+	RTS;
+
+.data
+.align 4;
+page_size_table:
+.byte4	0x00000400;	/* 1K */
+.byte4	0x00001000;	/* 4K */
+.byte4	0x00100000;	/* 1M */
+.byte4	0x00400000;	/* 4M */
+
+.align 4;
+dcplb_preference:
+.byte4	0x00000001;	/* valid bit */
+.byte4	0x00000082;	/* dirty+lock bits */
+.byte4	0x00000002;	/* lock bit */
diff --git a/cpu/bf533/cpu.c b/cpu/bf533/cpu.c
new file mode 100644
index 0000000..2c139f5
--- /dev/null
+++ b/cpu/bf533/cpu.c
@@ -0,0 +1,194 @@
+/*
+ * U-boot - cpu.c CPU specific functions
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/blackfin.h>
+#include <command.h>
+#include <asm/entry.h>
+
+#define SSYNC() asm("ssync;")
+#define CACHE_ON 1
+#define CACHE_OFF 0
+
+/* Data Attibutes*/
+
+#define SDRAM_IGENERIC		(PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
+#define SDRAM_IKERNEL		(PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
+#define L1_IMEMORY            	(PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
+#define SDRAM_INON_CHBL		(PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
+
+#define ANOMALY_05000158		0x200	
+#define SDRAM_DGENERIC          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
+#define SDRAM_DNON_CHBL         (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
+#define SDRAM_DKERNEL           (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
+#define L1_DMEMORY              (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
+#define SDRAM_EBIU              (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
+
+static unsigned int icplb_table[16][2]={
+			{0xFFA00000, L1_IMEMORY},
+			{0x00000000, SDRAM_IKERNEL},	/*SDRAM_Page1*/
+			{0x00400000, SDRAM_IKERNEL},	/*SDRAM_Page1*/
+			{0x07C00000, SDRAM_IKERNEL},    /*SDRAM_Page14*/
+			{0x00800000, SDRAM_IGENERIC},	/*SDRAM_Page2*/
+			{0x00C00000, SDRAM_IGENERIC},	/*SDRAM_Page2*/
+			{0x01000000, SDRAM_IGENERIC},	/*SDRAM_Page4*/
+			{0x01400000, SDRAM_IGENERIC},	/*SDRAM_Page5*/
+			{0x01800000, SDRAM_IGENERIC},	/*SDRAM_Page6*/
+			{0x01C00000, SDRAM_IGENERIC},	/*SDRAM_Page7*/
+			{0x02000000, SDRAM_IGENERIC},	/*SDRAM_Page8*/
+			{0x02400000, SDRAM_IGENERIC},	/*SDRAM_Page9*/
+			{0x02800000, SDRAM_IGENERIC},	/*SDRAM_Page10*/
+			{0x02C00000, SDRAM_IGENERIC},	/*SDRAM_Page11*/
+			{0x03000000, SDRAM_IGENERIC},	/*SDRAM_Page12*/
+			{0x03400000, SDRAM_IGENERIC},	/*SDRAM_Page13*/
+};
+
+static unsigned int dcplb_table[16][2]={
+			{0xFFA00000,L1_DMEMORY},	
+			{0x00000000,SDRAM_DKERNEL},	/*SDRAM_Page1*/
+			{0x00400000,SDRAM_DKERNEL},	/*SDRAM_Page1*/
+			{0x07C00000,SDRAM_DKERNEL},	/*SDRAM_Page15*/
+			{0x00800000,SDRAM_DGENERIC},	/*SDRAM_Page2*/
+			{0x00C00000,SDRAM_DGENERIC},	/*SDRAM_Page3*/
+			{0x01000000,SDRAM_DGENERIC},	/*SDRAM_Page4*/
+			{0x01400000,SDRAM_DGENERIC},	/*SDRAM_Page5*/
+			{0x01800000,SDRAM_DGENERIC},	/*SDRAM_Page6*/
+			{0x01C00000,SDRAM_DGENERIC},	/*SDRAM_Page7*/
+			{0x02000000,SDRAM_DGENERIC},	/*SDRAM_Page8*/
+			{0x02400000,SDRAM_DGENERIC},	/*SDRAM_Page9*/
+			{0x02800000,SDRAM_DGENERIC},	/*SDRAM_Page10*/
+			{0x02C00000,SDRAM_DGENERIC},	/*SDRAM_Page11*/
+			{0x03000000,SDRAM_DGENERIC},	/*SDRAM_Page12*/
+			{0x20000000,SDRAM_EBIU},	/*For Network */	
+};
+
+
+			
+			
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	__asm__ __volatile__
+	("cli r3;"
+	"P0 = %0;"
+	"JUMP (P0);"
+	:
+	: "r" (L1_ISRAM)
+	);
+
+	return 0;
+}
+
+/* These functions are just used to satisfy the linker */
+int cpu_init(void)
+{
+	return 0;
+}
+
+int cleanup_before_linux(void)
+{
+	return 0;
+}
+
+void icache_enable(void)
+{
+	unsigned int *I0,*I1;
+	int i;
+
+	I0 = (unsigned int *)ICPLB_ADDR0;
+	I1 = (unsigned int *)ICPLB_DATA0;
+	
+	for(i=0;i<16;i++){
+		*I0++ = icplb_table[i][0];
+		*I1++ = icplb_table[i][1];
+		}
+	cli();
+	SSYNC();
+	*(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
+	SSYNC();
+	sti();
+}
+
+void icache_disable(void)
+{
+	cli();
+	SSYNC();
+	*(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
+	SSYNC();
+	sti();
+}
+
+int icache_status(void)
+{
+	unsigned int value;
+	value = *(unsigned int *)IMEM_CONTROL;
+
+	if( value & (IMC|ENICPLB) )
+		return CACHE_ON;
+	else
+		return CACHE_OFF;
+}
+
+void dcache_enable(void)
+{
+	unsigned int *I0,*I1;
+	unsigned int temp;
+	int i;
+	I0 = (unsigned int *)DCPLB_ADDR0;
+	I1 = (unsigned int *)DCPLB_DATA0;
+
+	for(i=0;i<16;i++){
+		*I0++ = dcplb_table[i][0];
+		*I1++ = dcplb_table[i][1];
+		}
+	cli();
+	temp = *(unsigned int *)DMEM_CONTROL; 
+	SSYNC();
+	*(unsigned int *)DMEM_CONTROL = ACACHE_BCACHE |ENDCPLB |PORT_PREF0|temp;
+	SSYNC();
+	sti();
+}
+		
+
+void dcache_disable(void)
+{
+	cli();
+	SSYNC();
+	*(unsigned int *)DMEM_CONTROL &= ~(ACACHE_BCACHE |ENDCPLB |PORT_PREF0);
+	SSYNC();
+	sti();
+}
+
+int dcache_status(void)
+{
+	unsigned int value;
+	value = *(unsigned int *)DMEM_CONTROL;
+	if( value & (ENDCPLB))
+		return CACHE_ON;
+	else
+		return CACHE_OFF;
+}
diff --git a/cpu/bf533/cpu.h b/cpu/bf533/cpu.h
new file mode 100644
index 0000000..7ec3387
--- /dev/null
+++ b/cpu/bf533/cpu.h
@@ -0,0 +1,65 @@
+/*
+ *  U-boot - cpu.h
+ *
+ *  Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * 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
+ */
+
+#ifndef _CPU_H_
+#define _CPU_H_
+
+#include <command.h>
+
+#define INTERNAL_IRQS (32)
+#define NUM_IRQ_NODES 16
+#define DEF_INTERRUPT_FLAGS 1
+#define MAX_TIM_LOAD	0xFFFFFFFF
+
+void blackfin_irq_panic(int reason, struct pt_regs * reg);
+extern void dump(struct pt_regs * regs);
+void display_excp(void);
+asmlinkage void evt_nmi(void);
+asmlinkage void evt_exception(void);
+asmlinkage void trap(void);
+asmlinkage void evt_ivhw(void);
+asmlinkage void evt_rst(void);
+asmlinkage void evt_timer(void);
+asmlinkage void evt_evt7(void);
+asmlinkage void evt_evt8(void);
+asmlinkage void evt_evt9(void);
+asmlinkage void evt_evt10(void);
+asmlinkage void evt_evt11(void);
+asmlinkage void evt_evt12(void);
+asmlinkage void evt_evt13(void);
+asmlinkage void evt_soft_int1(void);
+asmlinkage void evt_system_call(void);
+void blackfin_irq_panic(int reason, struct pt_regs * regs);
+void blackfin_free_irq(unsigned int irq, void *dev_id);
+void call_isr(int irq, struct pt_regs * fp);
+void blackfin_do_irq(int vec, struct pt_regs *fp);
+void blackfin_init_IRQ(void);
+void blackfin_enable_irq(unsigned int irq);
+void blackfin_disable_irq(unsigned int irq);
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int blackfin_request_irq(unsigned int irq,
+		     void (*handler)(int, void *, struct pt_regs *),
+		     unsigned long flags,const char *devname,void *dev_id);
+void timer_init(void);
+#endif
diff --git a/cpu/bf533/flush.S b/cpu/bf533/flush.S
new file mode 100644
index 0000000..1f9ec98
--- /dev/null
+++ b/cpu/bf533/flush.S
@@ -0,0 +1,402 @@
+/* Copyright (C) 2003 Analog Devices, Inc. All Rights Reserved.
+ * Copyright (C) 2004 LG SOft India. All Rights Reserved.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.
+ *
+ * Blackfin BF533/2.6 support : LG Soft India
+ */
+#define ASSEMBLY
+
+#include <asm/linkage.h>
+#include <asm/cplb.h>
+#include <asm/blackfin.h>
+
+.text
+
+/* This is an external function being called by the user
+ * application through __flush_cache_all. Currently this function
+ * serves the purpose of flushing all the pending writes in
+ * in the instruction cache.
+ */
+
+ENTRY(flush_instruction_cache)
+	[--SP] = ( R7:6, P5:4 );
+	LINK 12;
+	SP += -12;
+	P5.H = (ICPLB_ADDR0 >> 16);
+	P5.L = (ICPLB_ADDR0 & 0xFFFF);
+	P4.H = (ICPLB_DATA0 >> 16);
+	P4.L = (ICPLB_DATA0 & 0xFFFF);
+	R7 = CPLB_VALID | CPLB_L1_CHBL;
+	R6 = 16;
+inext:	R0 = [P5++];
+	R1 = [P4++];
+	[--SP] =  RETS;
+	CALL icplb_flush;	/* R0 = page, R1 = data*/
+	RETS = [SP++];
+iskip:	R6 += -1;
+	CC = R6;
+	IF CC JUMP inext;
+	SSYNC;
+	SP += 12;
+	UNLINK;
+	( R7:6, P5:4 ) = [SP++];
+	RTS;
+
+/* This is an internal function to flush all pending
+ * writes in the cache associated with a particular ICPLB.
+ *
+ * R0 -  page's start address
+ * R1 -  CPLB's data field.
+ */
+
+.align 2
+ENTRY(icplb_flush)
+	[--SP] = ( R7:0, P5:0 );
+	[--SP] = LC0;
+	[--SP] = LT0;
+	[--SP] = LB0;
+	[--SP] = LC1;
+	[--SP] = LT1;
+	[--SP] = LB1;
+	
+	/* If it's a 1K or 4K page, then it's quickest to
+	 * just systematically flush all the addresses in
+	 * the page, regardless of whether they're in the
+	 * cache, or dirty. If it's a 1M or 4M page, there
+	 * are too many addresses, and we have to search the
+	 * cache for lines corresponding to the page.
+	 */
+
+	CC = BITTST(R1, 17);	/* 1MB or 4MB */
+	IF !CC JUMP iflush_whole_page;
+
+	/* We're only interested in the page's size, so extract
+	 * this from the CPLB (bits 17:16), and scale to give an
+	 * offset into the page_size and page_prefix tables.
+	 */
+
+	R1 <<= 14;
+	R1 >>= 30;
+	R1 <<= 2;
+
+	/* We can also determine the sub-bank used, because this is
+	 * taken from bits 13:12 of the address.
+	 */
+
+	R3 = ((12<<8)|2);		/* Extraction pattern */
+	nop;				/*Anamoly 05000209*/
+	R4 = EXTRACT(R0, R3.L) (Z);	/* Extract bits*/
+	R3.H = R4.L << 0 ;		/* Save in extraction pattern for later deposit.*/
+
+	
+	/* So:
+	 * R0 = Page start
+	 * R1 = Page length (actually, offset into size/prefix tables)
+	 * R3 = sub-bank deposit values
+  	 *
+	 * The cache has 2 Ways, and 64 sets, so we iterate through
+	 * the sets, accessing the tag for each Way, for our Bank and
+	 * sub-bank, looking for dirty, valid tags that match our
+	 * address prefix.
+	 */
+	
+	P5.L = (ITEST_COMMAND & 0xFFFF);
+	P5.H = (ITEST_COMMAND >> 16);
+	P4.L = (ITEST_DATA0 & 0xFFFF);
+	P4.H = (ITEST_DATA0 >> 16);
+
+	P0.L = page_prefix_table;
+	P0.H = page_prefix_table;
+	P1 = R1;
+	R5 = 0;			/* Set counter*/
+	P0 = P1 + P0;
+	R4 = [P0];		/* This is the address prefix*/
+
+	/* We're reading (bit 1==0) the tag (bit 2==0), and we
+	 * don't care about which double-word, since we're only
+	 * fetching tags, so we only have to set Set, Bank,
+	 * Sub-bank and Way.
+	 */
+	
+	P2 = 4;
+	LSETUP (ifs1, ife1) LC1 = P2;
+ifs1:	P0 = 32;		/* iterate over all sets*/
+	LSETUP (ifs0, ife0) LC0 = P0;
+ifs0:	R6 = R5 << 5;		/* Combine set*/
+	R6.H = R3.H << 0 ;	/* and sub-bank*/
+	[P5] = R6;		/* Issue Command*/
+	SSYNC;			/* CSYNC will not work here :(*/
+	R7 = [P4];		/* and read Tag.*/
+	CC = BITTST(R7, 0);	/* Check if valid*/
+	IF !CC JUMP ifskip;	/* and skip if not.*/
+
+	/* Compare against the page address. First, plant bits 13:12
+	 * into the tag, since those aren't part of the returned data.
+	 */
+
+	R7 = DEPOSIT(R7, R3);	/* set 13:12*/
+	R1 = R7 & R4;		/* Mask off lower bits*/
+	CC = R1 == R0;		/* Compare against page start.*/
+	IF !CC JUMP ifskip;	/* Skip it if it doesn't match.*/
+
+	/* Tag address matches against page, so this is an entry
+	 * we must flush. 
+	 */
+
+	R7 >>= 10;		/* Mask off the non-address bits*/
+	R7 <<= 10;
+	P3 = R7;
+	IFLUSH [P3];		/* And flush the entry*/
+ifskip:
+ife0:	R5 += 1;		/* Advance to next Set*/
+ife1:	NOP;
+
+ifinished:
+	SSYNC;			/* Ensure the data gets out to mem.*/
+
+	/*Finished. Restore context.*/
+	LB1 = [SP++];
+	LT1 = [SP++];
+	LC1 = [SP++];
+	LB0 = [SP++];
+	LT0 = [SP++];
+	LC0 = [SP++];
+	( R7:0, P5:0 ) = [SP++];
+	RTS;
+
+iflush_whole_page:
+	/* It's a 1K or 4K page, so quicker to just flush the
+	 * entire page.
+	 */
+
+	P1 = 32;		/* For 1K pages*/
+	P2 = P1 << 2;		/* For 4K pages*/
+	P0 = R0;		/* Start of page*/
+	CC = BITTST(R1, 16);	/* Whether 1K or 4K*/
+	IF CC P1 = P2;
+	P1 += -1;		/* Unroll one iteration*/
+	SSYNC;
+	IFLUSH [P0++];		/* because CSYNC can't end loops.*/
+	LSETUP (isall, ieall) LC0 = P1;
+isall:IFLUSH [P0++];
+ieall: NOP;	
+	SSYNC;
+	JUMP ifinished;
+
+/* This is an external function being called by the user 
+ * application through __flush_cache_all. Currently this function
+ * serves the purpose of flushing all the pending writes in
+ * in the data cache.
+ */
+
+ENTRY(flush_data_cache)
+	[--SP] = ( R7:6, P5:4 );
+	LINK 12;
+	SP += -12;
+	P5.H = (DCPLB_ADDR0 >> 16);
+	P5.L = (DCPLB_ADDR0 & 0xFFFF);
+	P4.H = (DCPLB_DATA0 >> 16);
+	P4.L = (DCPLB_DATA0 & 0xFFFF);
+	R7 = CPLB_VALID | CPLB_L1_CHBL | CPLB_DIRTY (Z);
+	R6 = 16;
+next:	R0 = [P5++];
+	R1 = [P4++];
+	CC = BITTST(R1, 14);	/* Is it write-through?*/
+	IF CC JUMP skip;	/* If so, ignore it.*/
+	R2 = R1 & R7;		/* Is it a dirty, cached page?*/
+	CC = R2;
+	IF !CC JUMP skip;	/* If not, ignore it.*/
+	[--SP] = RETS;
+	CALL dcplb_flush;	/* R0 = page, R1 = data*/
+	RETS = [SP++];
+skip:	R6 += -1;
+	CC = R6;
+	IF CC JUMP next;
+	SSYNC;
+	SP += 12;
+	UNLINK;
+	( R7:6, P5:4 ) = [SP++];
+	RTS;
+
+/* This is an internal function to flush all pending
+ * writes in the cache associated with a particular DCPLB.
+ * 
+ * R0 -  page's start address
+ * R1 -  CPLB's data field.
+ */
+
+.align 2
+ENTRY(dcplb_flush)
+	[--SP] = ( R7:0, P5:0 );
+	[--SP] = LC0;
+	[--SP] = LT0;
+	[--SP] = LB0;
+	[--SP] = LC1;
+	[--SP] = LT1;
+	[--SP] = LB1;
+	
+	/* If it's a 1K or 4K page, then it's quickest to
+	 * just systematically flush all the addresses in
+	 * the page, regardless of whether they're in the
+	 * cache, or dirty. If it's a 1M or 4M page, there
+	 * are too many addresses, and we have to search the
+	 * cache for lines corresponding to the page.
+	 */
+
+	CC = BITTST(R1, 17);	/* 1MB or 4MB */
+	IF !CC JUMP dflush_whole_page;
+
+	/* We're only interested in the page's size, so extract
+	 * this from the CPLB (bits 17:16), and scale to give an
+	 * offset into the page_size and page_prefix tables.	
+	 */
+		
+	R1 <<= 14;
+	R1 >>= 30;
+	R1 <<= 2;
+
+	/* The page could be mapped into Bank A or Bank B, depending
+	 * on (a) whether both banks are configured as cache, and
+	 * (b) on whether address bit A[x] is set. x is determined
+	 * by DCBS in DMEM_CONTROL		
+	 */
+	
+	R2 = 0;			/* Default to Bank A (Bank B would be 1)*/
+
+	P0.L = (DMEM_CONTROL & 0xFFFF);
+	P0.H = (DMEM_CONTROL >> 16);
+
+	R3 = [P0];		/* If Bank B is not enabled as cache*/
+	CC = BITTST(R3, 2);	/* then Bank A is our only option.*/
+	IF CC JUMP bank_chosen;
+
+	R4 = 1<<14;		/* If DCBS==0, use A[14].*/
+	R5 = R4 << 7;		/* If DCBS==1, use A[23];*/
+	CC = BITTST(R3, 4);
+	IF CC R4 = R5;		/* R4 now has either bit 14 or bit 23 set.*/
+	R5 = R0 & R4;		/* Use it to test the Page address*/
+	CC = R5;		/* and if that bit is set, we use Bank B,*/
+	R2 = CC;		/* else we use Bank A.*/
+	R2 <<= 23;		/* The Bank selection's at posn 23.*/
+
+bank_chosen:
+
+	/* We can also determine the sub-bank used, because this is
+	 * taken from bits 13:12 of the address.
+	 */
+
+	R3 = ((12<<8)|2);		/* Extraction pattern */
+	nop;				/*Anamoly 05000209*/
+	R4 = EXTRACT(R0, R3.L) (Z);	/* Extract bits*/
+	R3.H = R4.L << 0 ;		/* Save in extraction pattern for later deposit.*/
+
+	/* So:
+	 * R0 = Page start
+	 * R1 = Page length (actually, offset into size/prefix tables)
+	 * R2 = Bank select mask
+	 * R3 = sub-bank deposit values
+  	 *
+	 * The cache has 2 Ways, and 64 sets, so we iterate through
+	 * the sets, accessing the tag for each Way, for our Bank and
+	 * sub-bank, looking for dirty, valid tags that match our
+	 * address prefix.
+	 */
+	
+	P5.L = (DTEST_COMMAND & 0xFFFF);
+	P5.H = (DTEST_COMMAND >> 16);
+	P4.L = (DTEST_DATA0 & 0xFFFF);
+	P4.H = (DTEST_DATA0 >> 16);
+
+	P0.L = page_prefix_table;
+	P0.H = page_prefix_table;
+	P1 = R1;
+	R5 = 0;			/* Set counter*/
+	P0 = P1 + P0;
+	R4 = [P0];		/* This is the address prefix*/
+
+
+	/* We're reading (bit 1==0) the tag (bit 2==0), and we
+	 * don't care about which double-word, since we're only
+	 * fetching tags, so we only have to set Set, Bank,
+	 * Sub-bank and Way.
+	 */
+	
+	P2 = 2;
+	LSETUP (fs1, fe1) LC1 = P2;
+fs1:	P0 = 64;		/* iterate over all sets*/
+	LSETUP (fs0, fe0) LC0 = P0;
+fs0:	R6 = R5 << 5;		/* Combine set*/
+	R6.H = R3.H << 0 ;	/* and sub-bank*/
+	R6 = R6 | R2;		/* and Bank. Leave Way==0 at first.*/
+	BITSET(R6,14);
+	[P5] = R6;		/* Issue Command*/
+	SSYNC;
+	R7 = [P4];		/* and read Tag.*/
+	CC = BITTST(R7, 0);	/* Check if valid*/
+	IF !CC JUMP fskip;	/* and skip if not.*/
+	CC = BITTST(R7, 1);	/* Check if dirty*/
+	IF !CC JUMP fskip;	/* and skip if not.*/
+
+	/* Compare against the page address. First, plant bits 13:12
+	 * into the tag, since those aren't part of the returned data.
+	 */
+
+	R7 = DEPOSIT(R7, R3);	/* set 13:12*/
+	R1 = R7 & R4;		/* Mask off lower bits*/
+	CC = R1 == R0;		/* Compare against page start.*/
+	IF !CC JUMP fskip;	/* Skip it if it doesn't match.*/
+
+	/* Tag address matches against page, so this is an entry
+	 * we must flush.
+	 */
+
+	R7 >>= 10;		/* Mask off the non-address bits*/
+	R7 <<= 10;
+	P3 = R7;
+	SSYNC;
+	FLUSHINV [P3];		/* And flush the entry*/
+fskip:
+fe0:	R5 += 1;		/* Advance to next Set*/
+fe1:	BITSET(R2, 26);		/* Go to next Way.*/
+
+dfinished:
+	SSYNC;			/* Ensure the data gets out to mem.*/
+
+	/*Finished. Restore context.*/
+	LB1 = [SP++];
+	LT1 = [SP++];
+	LC1 = [SP++];
+	LB0 = [SP++];
+	LT0 = [SP++];
+	LC0 = [SP++];
+	( R7:0, P5:0 ) = [SP++];
+	RTS;
+
+dflush_whole_page:
+
+	/* It's a 1K or 4K page, so quicker to just flush the
+	 * entire page.
+	 */
+
+	P1 = 32;		/* For 1K pages*/
+	P2 = P1 << 2;		/* For 4K pages*/
+	P0 = R0;		/* Start of page*/
+	CC = BITTST(R1, 16);	/* Whether 1K or 4K*/
+	IF CC P1 = P2;
+	P1 += -1;		/* Unroll one iteration*/
+    SSYNC;
+	FLUSHINV [P0++];	/* because CSYNC can't end loops.*/
+	LSETUP (eall, eall) LC0 = P1;
+eall:	FLUSHINV [P0++];
+	SSYNC;
+	JUMP dfinished;
+
+.align 4;
+page_prefix_table:
+.byte4 	0xFFFFFC00;	/* 1K */
+.byte4	0xFFFFF000;	/* 4K */
+.byte4	0xFFF00000;	/* 1M */
+.byte4	0xFFC00000;	/* 4M */
+.page_prefix_table.end:
diff --git a/cpu/bf533/interrupt.S b/cpu/bf533/interrupt.S
new file mode 100644
index 0000000..b4d2579
--- /dev/null
+++ b/cpu/bf533/interrupt.S
@@ -0,0 +1,391 @@
+/*
+ * U-boot - interrupt.S Processing of interrupts and exception handling
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * This file is based on interrupt.S
+ *
+ * Copyright (C) 2003  Metrowerks, Inc. <mwaddel@metrowerks.com>
+ * Copyright (C) 2002  Arcturus Networks Ltd. Ted Ma <mated@sympatico.ca>
+ * Copyright (C) 1998  D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
+ *                     Kenneth Albanowski <kjahds@kjahds.com>,
+ *                     The Silver Hammer Group, Ltd.
+ *
+ * (c) 1995, Dionne & Associates
+ * (c) 1995, DKG Display Tech.
+ *
+ * This file is also based on exception.asm
+ * (C) Copyright 2001-2005 - Analog Devices, Inc.  All rights reserved.
+ *
+ * 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
+ */
+
+#define ASSEMBLY
+
+#include <asm/hw_irq.h>
+#include <asm/entry.h>
+#include <asm/blackfin_defs.h>
+#include <asm/cpu/bf533_irq.h>
+
+.global blackfin_irq_panic;
+
+.text
+.align 2
+
+#ifndef CONFIG_KGDB
+.global evt_emulation
+evt_emulation:
+	SAVE_CONTEXT
+	r0 = IRQ_EMU;
+	r1 = seqstat;
+	sp += -12;
+	call blackfin_irq_panic;
+	sp += 12;
+	rte;
+#endif
+
+.global evt_nmi
+evt_nmi:
+	SAVE_CONTEXT
+	r0 = IRQ_NMI;
+	r1 = RETN;
+	sp += -12;
+	call blackfin_irq_panic;
+	sp += 12;
+
+_evt_nmi_exit:
+	rtn;
+
+.global trap
+trap:
+	[--sp] = r0;
+	[--sp] = r1;
+	[--sp] = p0;
+	[--sp] = p1;
+	[--sp] = astat;
+	r0 = seqstat;
+	R0 <<= 26;
+	R0 >>= 26;
+	p0 = r0;
+	p1.l = EVTABLE;
+	p1.h = EVTABLE;
+	p0 = p1 + (p0 << 1);
+	r1 = W[p0] (Z);
+	p1 = r1;
+	jump (pc + p1);
+
+.global _EVENT1
+_EVENT1:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT2
+_EVENT2:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT3
+_EVENT3:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT4
+_EVENT4:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT5
+_EVENT5:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT6
+_EVENT6:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT7
+_EVENT7:
+	RAISE 15;
+	JUMP.S _EXIT;
+
+.global _EVENT8
+_EVENT8:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT9
+_EVENT9:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT10
+_EVENT10:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT11
+_EVENT11:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT12
+_EVENT12:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT13
+_EVENT13:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT14
+_EVENT14:
+/*	RAISE 14;	*/
+	CALL	_cplb_hdr;
+	JUMP.S _EXIT;
+
+.global _EVENT19
+_EVENT19:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT20
+_EVENT20:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EVENT21
+_EVENT21:
+	RAISE 14;
+	JUMP.S _EXIT;
+
+.global _EXIT
+_EXIT:
+	ASTAT = [sp++];
+	p1 = [sp++];
+	p0 = [sp++];
+	r1 = [sp++];
+	r0 = [sp++];
+	RTX;
+
+EVTABLE:
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x0000;
+	.byte2 0x003E;
+	.byte2 0x0042;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte4 0x0000;
+	.byte2 0x0000;
+	.byte2 0x001E;
+	.byte2 0x0022;
+	.byte2 0x0032;
+	.byte2 0x002e;
+	.byte2 0x0002;
+	.byte2 0x0036;
+	.byte2 0x002A;
+	.byte2 0x001A;
+	.byte2 0x0016;
+	.byte2 0x000A;
+	.byte2 0x000E;
+	.byte2 0x0012;
+	.byte2 0x0006;
+	.byte2 0x0026;
+
+.global evt_rst
+evt_rst:
+	SAVE_CONTEXT
+	r0 = IRQ_RST;
+	r1 = RETN;
+	sp += -12;
+	call do_reset;
+	sp += 12;
+
+_evt_rst_exit:
+	rtn; 
+
+irq_panic:
+	r0 = IRQ_EVX;
+	r1 =  sp;
+	sp += -12;
+	call blackfin_irq_panic;
+	sp += 12;
+
+.global evt_ivhw
+evt_ivhw:
+	SAVE_CONTEXT
+	RAISE 14;
+
+_evt_ivhw_exit:
+	 rti;
+
+.global evt_timer
+evt_timer:
+	SAVE_CONTEXT
+	r0 = IRQ_CORETMR;
+	sp += -12;
+	/* Polling method used now. */
+	/* call timer_int; */
+	sp += 12;
+	RESTORE_CONTEXT
+	rti;
+	nop;
+
+.global evt_evt7
+evt_evt7:
+	SAVE_CONTEXT
+	r0 = 7;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt7_exit:
+	RESTORE_CONTEXT
+	rti; 
+
+.global evt_evt8
+evt_evt8:
+	SAVE_CONTEXT
+	r0 = 8;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt8_exit:
+	RESTORE_CONTEXT
+	rti;
+
+.global evt_evt9
+evt_evt9:
+	SAVE_CONTEXT
+	r0 = 9;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt9_exit:
+	RESTORE_CONTEXT
+	rti;
+
+.global evt_evt10
+evt_evt10:
+	SAVE_CONTEXT
+	r0 = 10;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt10_exit:
+	RESTORE_CONTEXT
+	rti;
+
+.global evt_evt11
+evt_evt11:
+	SAVE_CONTEXT
+	r0 = 11;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt11_exit:
+	RESTORE_CONTEXT
+	rti;
+
+.global evt_evt12
+evt_evt12:
+	SAVE_CONTEXT
+	r0 = 12;
+	sp += -12;
+	call process_int;
+	sp += 12;
+evt_evt12_exit:
+	 RESTORE_CONTEXT
+	 rti;
+
+.global evt_evt13
+evt_evt13:
+	SAVE_CONTEXT
+	r0 = 13;
+	sp += -12;
+	call process_int;
+	sp += 12;
+
+evt_evt13_exit:
+	 RESTORE_CONTEXT
+	 rti;
+
+.global evt_system_call
+evt_system_call:
+	[--sp] = r0;
+	[--SP] = RETI;
+	r0 = [sp++];
+	r0 += 2;
+	[--sp] = r0;
+	RETI = [SP++];
+	r0 = [SP++];
+	SAVE_CONTEXT
+	sp += -12;
+	call display_excp;
+	sp += 12;
+	RESTORE_CONTEXT
+	RTI;
+
+evt_system_call_exit:
+	rti;
+
+.global evt_soft_int1
+evt_soft_int1:
+	[--sp] = r0;
+	[--SP] = RETI;
+	r0 = [sp++];
+	r0 += 2;
+	[--sp] = r0;
+	RETI = [SP++];
+	r0 = [SP++];
+	SAVE_CONTEXT
+	sp += -12;
+	call display_excp;
+	sp += 12;
+	RESTORE_CONTEXT
+	RTI;
+
+evt_soft_int1_exit:
+	rti;
diff --git a/cpu/bf533/interrupts.c b/cpu/bf533/interrupts.c
new file mode 100644
index 0000000..df1a25e
--- /dev/null
+++ b/cpu/bf533/interrupts.c
@@ -0,0 +1,165 @@
+/*
+ * U-boot - interrupts.c Interrupt related routines
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on interrupts.c
+ * Copyright 1996 Roman Zippel
+ * Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
+ * Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
+ * Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
+ * Copyright 2003 Metrowerks/Motorola
+ * Copyright 2003 Bas Vermeulen <bas@buyways.nl>,
+ * 			BuyWays B.V. (www.buyways.nl)
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/machdep.h>
+#include <asm/irq.h>
+#include <asm/cpu/defBF533.h>
+#include "cpu.h"
+
+static ulong timestamp;
+static ulong last_time;
+static int int_flag;
+
+int irq_flags; /* needed by asm-blackfin/system.h */
+
+/* Functions just to satisfy the linker */
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On BF533 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 BF533 it returns the number of timer ticks per second.
+ */
+ulong get_tbclk (void)
+{
+	ulong tbclk;
+
+	tbclk = CFG_HZ;
+	return tbclk;
+}
+
+void enable_interrupts(void)
+{
+	restore_flags(int_flag);
+}
+
+int disable_interrupts(void)
+{
+	save_and_cli(int_flag);
+	return 1;
+}
+
+int interrupt_init(void)
+{
+	return (0);
+}
+
+void udelay(unsigned long usec)
+{
+	unsigned long delay, start, stop;
+	unsigned long cclk;
+	cclk = (CONFIG_CCLK_HZ);
+
+	while ( usec > 1 ) {
+	       /*
+		* how many clock ticks to delay?
+		*  - request(in useconds) * clock_ticks(Hz) / useconds/second
+		*/
+		if (usec < 1000) {
+			delay = (usec * (cclk/244)) >> 12 ;
+			usec = 0;
+		} else {
+			delay = (1000 * (cclk/244)) >> 12 ;
+			usec -= 1000;
+		}
+
+		asm volatile (" %0 = CYCLES;": "=g"(start));
+		do {
+			asm volatile (" %0 = CYCLES; ": "=g"(stop));
+		} while (stop - start < delay);
+	}
+
+	return;
+}
+
+void timer_init(void)
+{
+	*pTCNTL = 0x1;
+	*pTSCALE = 0x0;
+	*pTCOUNT  = MAX_TIM_LOAD;
+	*pTPERIOD = MAX_TIM_LOAD;
+	*pTCNTL = 0x7;
+	asm("CSYNC;");
+
+	timestamp = 0;
+	last_time = 0;
+}
+
+/* Any network command or flash
+ * command is started get_timer shall
+ * be called before TCOUNT gets reset,
+ * to implement the accurate timeouts.
+ *
+ * How ever milliconds doesn't return
+ * the number that has been elapsed from
+ * the last reset.
+ *
+ *  As get_timer is used in the u-boot
+ *  only for timeouts this should be
+ *  sufficient
+ */
+ulong get_timer(ulong base)
+{
+	ulong milisec;
+
+	/* Number of clocks elapsed */
+	ulong clocks = (MAX_TIM_LOAD - (*pTCOUNT));
+
+	/* Find if the TCOUNT is reset
+	timestamp gives the number of times
+	TCOUNT got reset */
+	if(clocks < last_time)
+		timestamp++;
+	last_time = clocks;
+
+	/* Get the number of milliseconds */
+	milisec = clocks/(CONFIG_CCLK_HZ / 1000);
+
+	/* Find the number of millisonds
+	that got elapsed before this TCOUNT
+	cycle */
+	milisec += timestamp * (MAX_TIM_LOAD/(CONFIG_CCLK_HZ / 1000));
+
+	return (milisec - base);
+}
diff --git a/cpu/bf533/ints.c b/cpu/bf533/ints.c
new file mode 100644
index 0000000..859f4b2
--- /dev/null
+++ b/cpu/bf533/ints.c
@@ -0,0 +1,107 @@
+/*
+ * U-boot - ints.c Interrupt related routines
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on ints.c
+ *
+ * Apr18 2003, Changed by HuTao to support interrupt cascading for Blackfin
+ *             drivers
+ *
+ * Copyright 1996 Roman Zippel
+ * Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
+ * Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
+ * Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
+ * Copyright 2003 Metrowerks/Motorola
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/stddef.h>
+#include <asm/system.h>
+#include <asm/irq.h>
+#include <asm/traps.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/machdep.h>
+#include <asm/setup.h>
+#include <asm/blackfin.h>
+#include "cpu.h"
+
+void blackfin_irq_panic(int reason, struct pt_regs *regs)
+{
+	printf("\n\nException: IRQ 0x%x entered\n", reason);
+	printf("code=[0x%x], ", (unsigned int) (regs->seqstat & 0x3f));
+	printf("stack frame=0x%x, ", (unsigned int) regs);
+	printf("bad PC=0x%04x\n", (unsigned int) regs->pc);
+	dump(regs);
+	printf("Unhandled IRQ or exceptions!\n");
+	printf("Please reset the board \n");
+}
+
+void blackfin_init_IRQ(void)
+{
+	*(unsigned volatile long *) (SIC_IMASK) = SIC_UNMASK_ALL;
+	cli();
+#ifndef CONFIG_KGDB
+	*(unsigned volatile long *) (EVT_EMULATION_ADDR) = 0x0;
+#endif
+	*(unsigned volatile long *) (EVT_NMI_ADDR) =
+		(unsigned volatile long) evt_nmi;
+	*(unsigned volatile long *) (EVT_EXCEPTION_ADDR) =
+		(unsigned volatile long) trap;
+	*(unsigned volatile long *) (EVT_HARDWARE_ERROR_ADDR) =
+		(unsigned volatile long) evt_ivhw;
+	*(unsigned volatile long *) (EVT_RESET_ADDR) =
+		(unsigned volatile long) evt_rst;
+	*(unsigned volatile long *) (EVT_TIMER_ADDR) =
+		(unsigned volatile long) evt_timer;
+	*(unsigned volatile long *) (EVT_IVG7_ADDR) =
+		(unsigned volatile long) evt_evt7;
+	*(unsigned volatile long *) (EVT_IVG8_ADDR) =
+		(unsigned volatile long) evt_evt8;
+	*(unsigned volatile long *) (EVT_IVG9_ADDR) =
+		(unsigned volatile long) evt_evt9;
+	*(unsigned volatile long *) (EVT_IVG10_ADDR) =
+		(unsigned volatile long) evt_evt10;
+	*(unsigned volatile long *) (EVT_IVG11_ADDR) =
+		(unsigned volatile long) evt_evt11;
+	*(unsigned volatile long *) (EVT_IVG12_ADDR) =
+		(unsigned volatile long) evt_evt12;
+	*(unsigned volatile long *) (EVT_IVG13_ADDR) =
+		(unsigned volatile long) evt_evt13;
+	*(unsigned volatile long *) (EVT_IVG14_ADDR) =
+		(unsigned volatile long) evt_system_call;
+	*(unsigned volatile long *) (EVT_IVG15_ADDR) =
+		(unsigned volatile long) evt_soft_int1;
+	*(volatile unsigned long *) ILAT = 0;
+	asm("csync;");
+	sti();
+	*(volatile unsigned long *) IMASK = 0xffbf;
+	asm("csync;");
+}
+
+void display_excp(void)
+{
+	printf("Exception!\n");
+}
diff --git a/cpu/bf533/serial.c b/cpu/bf533/serial.c
new file mode 100644
index 0000000..8f0cd16
--- /dev/null
+++ b/cpu/bf533/serial.c
@@ -0,0 +1,194 @@
+/*
+ * U-boot - serial.c Serial driver for BF533
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on
+ * bf533_serial.c: Serial driver for BlackFin BF533 DSP internal UART.
+ * Copyright (c) 2003	Bas Vermeulen <bas@buyways.nl>,
+ * 			BuyWays B.V. (www.buyways.nl)
+ *
+ * Based heavily on blkfinserial.c
+ * blkfinserial.c: Serial driver for BlackFin DSP internal USRTs.
+ * Copyright(c) 2003	Metrowerks	<mwaddel@metrowerks.com>
+ * Copyright(c)	2001	Tony Z. Kou	<tonyko@arcturusnetworks.com>
+ * Copyright(c)	2001-2002 Arcturus Networks Inc. <www.arcturusnetworks.com>
+ * 
+ * Based on code from 68328 version serial driver imlpementation which was:
+ * Copyright (C) 1995       David S. Miller    <davem@caip.rutgers.edu>
+ * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
+ * Copyright (C) 1998, 1999 D. Jeff Dionne     <jeff@uclinux.org>
+ * Copyright (C) 1999       Vladimir Gurevich  <vgurevic@cisco.com> 
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+#include <asm/segment.h>
+#include <asm/bitops.h>
+#include <asm/delay.h>
+#include <asm/uaccess.h>
+#include "bf533_serial.h"
+
+unsigned long pll_div_fact;
+
+void calc_baud(void)
+{
+	unsigned char i;
+	int	temp;
+
+	for(i = 0; i < sizeof(baud_table)/sizeof(int); i++) {
+		temp =  CONFIG_SCLK_HZ/(baud_table[i]*8);
+		if ( temp && 0x1 == 1 ) {
+			temp++;
+		}
+		temp = temp/2;
+		hw_baud_table[i].dl_high = (temp >> 8)& 0xFF;
+		hw_baud_table[i].dl_low = (temp) & 0xFF;
+	}
+}
+
+void serial_setbrg(void)
+{
+	int i;
+	DECLARE_GLOBAL_DATA_PTR;
+
+	calc_baud();
+
+	for (i = 0; i < sizeof(baud_table) / sizeof(int); i++) {
+		if (gd->baudrate == baud_table[i])
+			break;
+	}
+
+	/* Enable UART */
+	*pUART_GCTL |= UART_GCTL_UCEN;
+	asm("ssync;");
+
+	/* Set DLAB in LCR to Access DLL and DLH */
+	ACCESS_LATCH;
+	asm("ssync;");
+
+	*pUART_DLL = hw_baud_table[i].dl_low;
+	asm("ssync;");
+	*pUART_DLH = hw_baud_table[i].dl_high;
+	asm("ssync;");
+
+	/* Clear DLAB in LCR to Access THR RBR IER */
+	ACCESS_PORT_IER;
+	asm("ssync;");
+
+	/* Enable  ERBFI and ELSI interrupts
+	* to poll SIC_ISR register*/
+	*pUART_IER = UART_IER_ELSI | UART_IER_ERBFI | UART_IER_ETBEI;
+	asm("ssync;");
+
+	/* Set LCR to Word Lengh 8-bit word select */
+	*pUART_LCR = UART_LCR_WLS8;
+	asm("ssync;");
+
+	return;
+}
+
+int serial_init(void)
+{
+	serial_setbrg();
+	return (0);
+}
+
+void serial_putc(const char c)
+{
+	if ((*pUART_LSR) & UART_LSR_TEMT)
+	{
+		if (c == '\n')
+			serial_putc('\r');
+
+		local_put_char(c);
+	}
+
+	while (!((*pUART_LSR) & UART_LSR_TEMT))
+		SYNC_ALL;
+
+	return;
+}
+
+int serial_tstc(void)
+{
+	if (*pUART_LSR & UART_LSR_DR)
+		return 1;
+	else
+		return 0;
+}
+
+int serial_getc(void)
+{
+	unsigned short uart_lsr_val, uart_rbr_val;
+	unsigned long isr_val;
+	int ret;
+
+	/* Poll for RX Interrupt */
+	while (!((isr_val = *(volatile unsigned long *)SIC_ISR) & IRQ_UART_RX_BIT));
+	asm("csync;");
+
+	uart_lsr_val = *pUART_LSR;	/* Clear status bit */
+	uart_rbr_val = *pUART_RBR;	/* getc() */
+
+	if (isr_val & IRQ_UART_ERROR_BIT) {
+		ret =  -1;
+	}
+	else
+	{
+		ret = uart_rbr_val & 0xff;
+	}
+
+	return ret;
+}
+
+void serial_puts(const char *s)
+{
+	while (*s) {
+		serial_putc(*s++);
+	}
+}
+
+static void local_put_char(char ch)
+{
+	int flags = 0;
+	unsigned long isr_val;
+
+	save_and_cli(flags);
+
+        /* Poll for TX Interruput */
+        while (!((isr_val = *pSIC_ISR) & IRQ_UART_TX_BIT));
+        asm("csync;");
+
+	*pUART_THR = ch;			/* putc() */
+
+	if (isr_val & IRQ_UART_ERROR_BIT) {
+		printf("?");
+	}
+
+	restore_flags(flags);
+
+	return ;
+}
diff --git a/cpu/bf533/start.S b/cpu/bf533/start.S
new file mode 100644
index 0000000..7414d88
--- /dev/null
+++ b/cpu/bf533/start.S
@@ -0,0 +1,435 @@
+/*
+ * U-boot - start.S Startup file of u-boot for BF533
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on head.S
+ * Copyright (c) 2003  Metrowerks/Motorola
+ * Copyright (C) 1998  D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
+ *                     Kenneth Albanowski <kjahds@kjahds.com>,
+ *                     The Silver Hammer Group, Ltd.
+ * (c) 1995, Dionne & Associates
+ * (c) 1995, DKG Display Tech.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Note: A change in this file subsequently requires a change in
+ *       board/$(board_name)/config.mk for a valid u-boot.bin 
+ */
+
+#define ASSEMBLY
+
+#include <linux/config.h>
+#include <asm/blackfin.h>
+#include <config.h>
+#include <asm/mem_init.h>
+
+#if (CONFIG_CCLK_DIV == 1)
+#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
+#endif
+#if (CONFIG_CCLK_DIV == 2)
+#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
+#endif
+#if (CONFIG_CCLK_DIV == 4)
+#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
+#endif
+#if (CONFIG_CCLK_DIV == 8)
+#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
+#endif
+#ifndef CONFIG_CCLK_ACT_DIV
+#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
+#endif
+
+.global _stext;
+.global __bss_start;
+.global start;
+.global _start;
+.global _rambase;
+.global _ramstart;
+.global _ramend;
+.global _bf533_data_dest;
+.global _bf533_data_size;
+.global edata;
+.global _initialize;
+.global _exit;
+.global flashdataend;
+
+.text
+_start:
+start:
+_stext:
+
+	R0 = 0x30;
+	SYSCFG = R0;
+	SSYNC;
+
+	/* As per HW reference manual DAG registers,
+	 * DATA and Address resgister shall be zero'd 
+	 * in initialization, after a reset state
+	 */
+	r1 = 0;	/* Data registers zero'd */
+	r2 = 0;
+	r3 = 0;
+	r4 = 0;
+	r5 = 0;
+	r6 = 0;
+	r7 = 0;
+
+	p0 = 0; /* Address registers zero'd */
+	p1 = 0;
+	p2 = 0;
+	p3 = 0;
+	p4 = 0;
+	p5 = 0;
+	
+	i0 = 0; /* DAG Registers zero'd */
+	i1 = 0;
+	i2 = 0;
+	i3 = 0;
+	m0 = 0;
+	m1 = 0;
+	m3 = 0;
+	m3 = 0;
+	l0 = 0;
+	l1 = 0;
+	l2 = 0;
+	l3 = 0;
+	b0 = 0;
+	b1 = 0;
+	b2 = 0;
+	b3 = 0;
+
+	/* Set loop counters to zero, to make sure that
+	 * hw loops are disabled.
+	 */
+	lc0 = 0;
+	lc1 = 0;
+
+	SSYNC;
+
+	/* Check soft reset status */
+	p0.h = SWRST >> 16;
+	p0.l = SWRST & 0xFFFF;
+	r0.l = w[p0];
+
+	cc = bittst(r0, 15);
+	if !cc jump no_soft_reset;
+
+	/* Clear Soft reset */
+	r0 = 0x0000;
+	w[p0] = r0;
+	ssync;
+
+no_soft_reset:
+	nop;
+
+	/* Clear EVT registers */
+	p0.h = (EVT_EMULATION_ADDR >> 16);
+	p0.l = (EVT_EMULATION_ADDR & 0xFFFF);
+	p0 += 8;
+	p1 = 14;
+	r1 = 0;
+	LSETUP(4,4) lc0 = p1;
+	[ p0 ++ ] = r1;
+
+	/*
+	 *  Set PLL_CTL
+	 *   - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
+	 *   - [8]     = BYPASS    : BYPASS the PLL, run CLKIN into CCLK/SCLK
+	 *   - [7]     = output delay (add 200ps of delay to mem signals)
+	 *   - [6]     = input delay (add 200ps of input delay to mem signals)
+	 *   - [5]     = PDWN      : 1=All Clocks off
+	 *   - [3]     = STOPCK    : 1=Core Clock off
+	 *   - [1]     = PLL_OFF   : 1=Disable Power to PLL
+	 *   - [0]     = DF        : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
+	 *   all other bits set to zero
+	 */
+
+	r0 = CONFIG_VCO_MULT;	/* Load the VCO multiplier */
+	r0 = r0 << 9;		/* Shift it over */
+	r1 =  CONFIG_CLKIN_HALF;	/* Do we need to divide CLKIN by 2? */
+	r0 = r1 | r0;
+	r1 = CONFIG_PLL_BYPASS;	/* Bypass the PLL?                 */
+	r1 = r1 << 8;	/* Shift it over */
+	r0 = r1 | r0;	/* add them all together */
+
+	p0.h = (PLL_CTL >> 16);
+	p0.l = (PLL_CTL & 0xFFFF);	/* Load the address */
+	cli r2;				/* Disable interrupts */
+	w[p0] = r0;			/* Set the value */
+	idle;				/* Wait for the PLL to stablize */
+	sti r2;				/* Enable interrupts */
+	ssync;
+
+	/*
+	 * Turn on the CYCLES COUNTER
+	 */
+	r2 = SYSCFG;
+	BITSET (r2,1);
+	SYSCFG = r2;
+
+	/* Configure SCLK & CCLK Dividers */
+	r0 = CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV;
+	p0.h = (PLL_DIV >> 16);
+	p0.l = (PLL_DIV & 0xFFFF);
+	w[p0] = r0;
+	ssync;
+
+wait_for_pll_stab:
+	p0.h = (PLL_STAT >> 16);
+	p0.l = (PLL_STAT & 0xFFFF);
+	r0.l = w[p0];
+	cc = bittst(r0,5);
+	if !cc jump wait_for_pll_stab;
+
+	/* Configure SDRAM if SDRAM is already not enabled */
+	p0.l = (EBIU_SDSTAT & 0xFFFF);
+	p0.h = (EBIU_SDSTAT >> 16);
+	r0.l = w[p0];
+	cc = bittst(r0, 3);
+	if !cc jump skip_sdram_enable;
+
+	/* SDRAM initialization */
+	p0.l = (EBIU_SDGCTL & 0xFFFF);
+	p0.h = (EBIU_SDGCTL >> 16);	/* SDRAM Memory Global Control Register */
+	r0.h = (mem_SDGCTL >> 16);
+	r0.l = (mem_SDGCTL & 0xFFFF);
+	[p0] = r0;
+	ssync;
+
+	p0.l = (EBIU_SDBCTL & 0xFFFF);
+	p0.h = (EBIU_SDBCTL >> 16);	/* SDRAM Memory Bank Control Register */
+	r0 = mem_SDBCTL;
+	w[p0] = r0.l;
+	ssync;
+
+	p0.l = (EBIU_SDRRC & 0xFFFF);
+	p0.h = (EBIU_SDRRC >> 16);	/* SDRAM Refresh Rate Control Register */
+	r0 = mem_SDRRC;
+	w[p0] = r0.l;
+	ssync;
+
+skip_sdram_enable:
+	nop;
+
+#ifndef	CFG_NO_FLASH
+	/* relocate into to RAM */
+	p1.l = (CFG_FLASH_BASE & 0xffff);
+	p1.h = (CFG_FLASH_BASE >> 16);
+	p2.l = (CFG_MONITOR_BASE & 0xffff);
+	p2.h = (CFG_MONITOR_BASE >> 16);
+	r0.l = (CFG_MONITOR_LEN & 0xffff);
+	r0.h = (CFG_MONITOR_LEN >> 16);
+loop1:
+	r1 = [p1];
+	[p2] = r1;
+	p3=0x4;
+	p1=p1+p3;	
+	p2=p2+p3;
+	r2=0x4;	
+	r0=r0-r2;
+	cc=r0==0x0;
+	if !cc jump loop1;
+#endif
+	/*
+	 * configure STACK
+	 */
+	r0.h = (CONFIG_STACKBASE >> 16);
+	r0.l = (CONFIG_STACKBASE & 0xFFFF);
+	sp = r0;
+	fp = sp;
+
+	/*
+	 * This next section keeps the processor in supervisor mode
+	 * during kernel boot.  Switches to user mode at end of boot.
+	 * See page 3-9 of Hardware Reference manual for documentation.
+	 */
+
+	/* To keep ourselves in the supervisor mode */
+	p0.l = (EVT_IVG15_ADDR & 0xFFFF);
+	p0.h = (EVT_IVG15_ADDR >> 16);
+
+	p1.l = _real_start;
+	p1.h = _real_start;
+	[p0] = p1;
+
+	p0.l = (IMASK & 0xFFFF);
+	p0.h = (IMASK >> 16);
+	r0 = IVG15_POS;
+	[p0] = r0;
+	raise 15;
+	p0.l = WAIT_HERE;
+	p0.h = WAIT_HERE;
+	reti = p0;
+	rti;
+
+WAIT_HERE:
+	jump WAIT_HERE;
+
+.global _real_start;
+_real_start:
+	[ -- sp ] = reti;
+
+#ifdef CONFIG_EZKIT533
+	p0.l = (WDOG_CTL & 0xFFFF);
+	p0.h = (WDOG_CTL >> 16);
+	r0 = WATCHDOG_DISABLE(z);
+	w[p0] = r0;
+#endif
+
+	/* Code for initializing Async mem banks */
+	p2.h = (EBIU_AMBCTL1 >> 16);
+	p2.l = (EBIU_AMBCTL1 & 0xFFFF);
+	r0.h = (AMBCTL1VAL >> 16);
+	r0.l = (AMBCTL1VAL & 0xFFFF);
+	[p2] = r0;
+	ssync;
+
+	p2.h = (EBIU_AMBCTL0 >> 16);
+	p2.l = (EBIU_AMBCTL0 & 0xFFFF);
+	r0.h = (AMBCTL0VAL >> 16);
+	r0.l = (AMBCTL0VAL & 0xFFFF);
+	[p2] = r0;
+	ssync;
+
+	p2.h = (EBIU_AMGCTL >> 16);
+	p2.l = (EBIU_AMGCTL & 0xffff);
+	r0 = AMGCTLVAL;
+	w[p2] = r0;
+	ssync;
+
+	/* DMA reset code to Hi of L1 SRAM */
+copy:
+	P1.H = hi(SYSMMR_BASE);	/* P1 Points to the beginning of SYSTEM MMR Space */
+	P1.L = lo(SYSMMR_BASE);
+
+	R0.H = reset_start;	/* Source Address (high) */
+	R0.L = reset_start;	/* Source Address (low) */
+	R1.H = reset_end;
+	R1.L = reset_end;
+	R2 = R1 - R0;		/* Count */
+	R1.H = hi(L1_ISRAM);	/* Destination Address (high) */
+	R1.L = lo(L1_ISRAM);	/* Destination Address (low) */
+	R3.L = DMAEN;		/* Source DMAConfig Value (8-bit words) */
+	R4.L = (DI_EN | WNR | DMAEN);	/* Destination DMAConfig Value (8-bit words) */
+
+DMA:
+	R6 = 0x1 (Z);
+	W[P1+OFFSET_(MDMA_S0_X_MODIFY)] = R6;	/* Source Modify = 1 */
+	W[P1+OFFSET_(MDMA_D0_X_MODIFY)] = R6;	/* Destination Modify = 1 */
+
+	[P1+OFFSET_(MDMA_S0_START_ADDR)] = R0;	/* Set Source Base Address */
+	W[P1+OFFSET_(MDMA_S0_X_COUNT)] = R2;	/* Set Source Count */
+	/* Set Source  DMAConfig = DMA Enable,
+	Memory Read,  8-Bit Transfers, 1-D DMA, Flow - Stop */
+	W[P1+OFFSET_(MDMA_S0_CONFIG)] = R3;
+
+	[P1+OFFSET_(MDMA_D0_START_ADDR)] = R1;	/* Set Destination Base Address */
+	W[P1+OFFSET_(MDMA_D0_X_COUNT)] = R2;	/* Set Destination Count */
+	/* Set Destination DMAConfig = DMA Enable,
+	Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */
+	W[P1+OFFSET_(MDMA_D0_CONFIG)] = R4;
+
+	IDLE;	/* Wait for DMA to Complete */
+
+	R0 = 0x1;
+	W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0;	/* Write 1 to clear DMA interrupt */
+
+	/* DMA reset code to DATA BANK A which uses this port
+	 * to avoid following problem
+	 * " Data from a Data Cache fill can be corrupoted after or during
+	 *   instruction DMA if certain core stalls exist"
+	 */
+
+copy_as_data:
+	R0.H = reset_start;	/* Source Address (high) */
+	R0.L = reset_start;	/* Source Address (low) */
+	R1.H = reset_end;
+	R1.L = reset_end;
+	R2 = R1 - R0;	/* Count */
+	R1.H = hi(DATA_BANKA_SRAM);	/* Destination Address (high) */
+	R1.L = lo(DATA_BANKA_SRAM);	/* Destination Address (low) */
+	R3.L = DMAEN;	/* Source DMAConfig Value (8-bit words) */
+	R4.L = (DI_EN | WNR | DMAEN);	/* Destination DMAConfig Value (8-bit words) */
+
+DMA_DATA:
+	R6 = 0x1 (Z);
+	W[P1+OFFSET_(MDMA_S0_X_MODIFY)] = R6;	/* Source Modify = 1 */
+	W[P1+OFFSET_(MDMA_D0_X_MODIFY)] = R6;	/* Destination Modify = 1 */
+
+ 	[P1+OFFSET_(MDMA_S0_START_ADDR)] = R0;	/* Set Source Base Address */
+	W[P1+OFFSET_(MDMA_S0_X_COUNT)] = R2;	/* Set Source Count */
+	/* Set Source      DMAConfig = DMA Enable,
+	Memory Read,  8-Bit Transfers, 1-D DMA, Flow - Stop */
+	W[P1+OFFSET_(MDMA_S0_CONFIG)] = R3;
+
+	[P1+OFFSET_(MDMA_D0_START_ADDR)] = R1;	/* Set Destination Base Address */
+	W[P1+OFFSET_(MDMA_D0_X_COUNT)] = R2;	/* Set Destination Count */
+	/* Set Destination DMAConfig = DMA Enable,
+	Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */
+	W[P1+OFFSET_(MDMA_D0_CONFIG)] = R4;
+
+	IDLE;	/* Wait for DMA to Complete */
+
+	R0 = 0x1;
+	W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0;	/* Write 1 to clear DMA interrupt */
+
+copy_end: nop;
+
+	/* Initialize BSS Section with 0 s */
+	p1.l = __bss_start;
+	p1.h = __bss_start;
+	p2.l = _end;
+	p2.h = _end;
+	r1 = p1;
+	r2 = p2;
+	r3 = r2 - r1;
+	r3 = r3 >> 2;
+	p3 = r3;
+	lsetup (_clear_bss, _clear_bss_end ) lc1 = p3;
+	CC = p2<=p1;
+	if CC jump _clear_bss_skip;
+	r0 = 0;
+_clear_bss:
+_clear_bss_end:
+ 	[p1++] = r0;
+_clear_bss_skip:
+
+	p0.l = _start1;
+	p0.h = _start1;
+	jump (p0);
+
+reset_start:
+	p0.h = WDOG_CNT >> 16;
+	p0.l = WDOG_CNT & 0xffff;
+	r0 = 0x0010;
+	w[p0] = r0;
+	p0.h = WDOG_CTL >> 16;
+	p0.l = WDOG_CTL & 0xffff;
+	r0 = 0x0000;
+	w[p0] = r0;
+reset_wait:
+	jump reset_wait;
+
+reset_end: nop;
+
+_exit:
+	jump.s	_exit;
diff --git a/cpu/bf533/start1.S b/cpu/bf533/start1.S
new file mode 100644
index 0000000..6f48124
--- /dev/null
+++ b/cpu/bf533/start1.S
@@ -0,0 +1,38 @@
+/*
+ * U-boot - start1.S Code running out of RAM after relocation
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * 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
+ */
+
+#define ASSEMBLY
+#include <linux/config.h>
+#include <asm/blackfin.h>
+#include <config.h>
+
+.global	start1;
+.global	_start1;
+
+.text
+_start1:
+start1:
+	sp += -12;
+	call	board_init_f;
+	sp += 12;
diff --git a/cpu/bf533/traps.c b/cpu/bf533/traps.c
new file mode 100644
index 0000000..37470d5
--- /dev/null
+++ b/cpu/bf533/traps.c
@@ -0,0 +1,73 @@
+/*
+ * U-boot - traps.c Routines related to interrupts and exceptions
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * This file is based on
+ * No original Copyright holder listed,
+ * Probabily original (C) Roman Zippel (assigned DJD, 1999)
+ *
+ * Copyright 2003 Metrowerks - for Blackfin
+ * Copyright 2000-2001 Lineo, Inc. D. Jeff Dionne <jeff@lineo.ca>
+ * Copyright 1999-2000 D. Jeff Dionne, <jeff@uclinux.org>
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/errno.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+#include <asm/traps.h>
+#include <asm/page.h>
+#include <asm/machdep.h>
+#include "cpu.h"
+
+void init_IRQ(void)
+{
+	blackfin_init_IRQ();
+	return;
+}
+
+void process_int(unsigned long vec, struct pt_regs *fp)
+{
+	return;
+}
+
+void dump(struct pt_regs *fp)
+{
+	printf("PC: %08lx\n", fp->pc);
+	printf("SEQSTAT: %08lx    SP: %08lx\n", (long) fp->seqstat,
+		(long) fp);
+	printf("R0: %08lx    R1: %08lx    R2: %08lx    R3: %08lx\n",
+		fp->r0, fp->r1, fp->r2, fp->r3);
+	printf("R4: %08lx    R5: %08lx    R6: %08lx    R7: %08lx\n",
+		fp->r4, fp->r5, fp->r6, fp->r7);
+	printf("P0: %08lx    P1: %08lx    P2: %08lx    P3: %08lx\n",
+		fp->p0, fp->p1, fp->p2, fp->p3);
+	printf("P4: %08lx    P5: %08lx    FP: %08lx\n", fp->p4, fp->p5,
+		fp->fp);
+	printf("A0.w: %08lx    A0.x: %08lx    A1.w: %08lx    A1.x: %08lx\n",
+		fp->a0w, fp->a0x, fp->a1w, fp->a1x);
+	printf("\n");
+}