* Some code cleanup

* Patch by Josef Baumgartner, 10 Feb 2004:
  Fixes for Coldfire port

* Patch by Brad Kemp, 11 Feb 2004:
  Fix CFI flash driver problems

7 files changed, 684 insertions, 324 deletions

diff --git a/lib_m68k/Makefile b/lib_m68k/Makefile
new file mode 100644
index 0000000000..698da36e68
--- /dev/null
+++ b/lib_m68k/Makefile
@@ -0,0 +1,42 @@
+#
+# (C) Copyright 2000
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(ARCH).a
+
+AOBJS	=
+COBJS	= cache.o traps.o time.o board.o m68k_linux.o
+OBJS	= $(AOBJS) $(COBJS)
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/lib_m68k/board.c b/lib_m68k/board.c
index 0bf637d59d..06b3bd5056 100644
--- a/lib_m68k/board.c
+++ b/lib_m68k/board.c
@@ -1,5 +1,8 @@
 /*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2003
+ * Josef Baumgartner <josef.baumgartner@telex.de>
+ *
+ * (C) Copyright 2000-2002
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -26,7 +29,11 @@
 #include <command.h>
 #include <malloc.h>
 #include <devices.h>
-#include <syscall.h>
+
+#ifdef	CONFIG_M5272
+#include <asm/immap_5272.h>
+#endif
+
 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
 #include <ide.h>
 #endif
@@ -54,18 +61,8 @@ static char *failed = "*** failed ***\n";
 extern flash_info_t flash_info[];
 #endif
 
-#if defined(CFG_ENV_IS_IN_FLASH)
-# ifndef  CFG_ENV_ADDR
-#  define CFG_ENV_ADDR	(CFG_FLASH_BASE + CFG_ENV_OFFSET)
-# endif
-# ifndef  CFG_ENV_SIZE
-#  define CFG_ENV_SIZE	CFG_ENV_SECT_SIZE
-# endif
-# if (CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \
-     (CFG_ENV_ADDR+CFG_ENV_SIZE) < (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
-#  define ENV_IS_EMBEDDED
-# endif
-#endif /* CFG_ENV_IS_IN_FLASH */
+#include <environment.h>
+
 #if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
       (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
     defined(CFG_ENV_IS_IN_NVRAM)
@@ -74,12 +71,30 @@ extern flash_info_t flash_info[];
 #define	TOTAL_MALLOC_LEN	CFG_MALLOC_LEN
 #endif
 
+extern ulong __init_end;
+extern ulong _end;
+
+extern	void timer_init(void);
+
+#if defined(CONFIG_WATCHDOG)
+# define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
+# define WATCHDOG_DISABLE		watchdog_disable
+
+extern int watchdog_init(void);
+extern int watchdog_disable(void);
+#else
+# define INIT_FUNC_WATCHDOG_INIT	/* undef */
+# define WATCHDOG_DISABLE		/* undef */
+#endif /* CONFIG_WATCHDOG */
+
+ulong monitor_flash_len;
+
 /*
  * Begin and End of memory area for malloc(), and current "brk"
  */
-static ulong mem_malloc_start = 0;
-static ulong mem_malloc_end = 0;
-static ulong mem_malloc_brk = 0;
+static	ulong	mem_malloc_start = 0;
+static	ulong	mem_malloc_end	 = 0;
+static	ulong	mem_malloc_brk	 = 0;
 
 /************************************************************************
  * Utilities								*
@@ -89,13 +104,18 @@ static ulong mem_malloc_brk = 0;
 /*
  * The Malloc area is immediately below the monitor copy in DRAM
  */
-static void mem_malloc_init (ulong dest_addr)
+static void mem_malloc_init (void)
 {
+	DECLARE_GLOBAL_DATA_PTR;
+
+	ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
+
 	mem_malloc_end = dest_addr;
 	mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
 	mem_malloc_brk = mem_malloc_start;
 
-	memset ((void *) mem_malloc_start, 0,
+	memset ((void *) mem_malloc_start,
+		0,
 		mem_malloc_end - mem_malloc_start);
 }
 
@@ -104,50 +124,106 @@ void *sbrk (ptrdiff_t increment)
 	ulong old = mem_malloc_brk;
 	ulong new = old + increment;
 
-	if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
+	if ((new < mem_malloc_start) ||
+	    (new > mem_malloc_end) ) {
 		return (NULL);
 	}
 	mem_malloc_brk = new;
-	return ((void *) old);
+	return ((void *)old);
 }
 
-char *strmhz (char *buf, long hz)
+char *strmhz(char *buf, long hz)
 {
-	long l, n;
-	long m;
+    long l, n;
+    long m;
 
-	n = hz / 1000000L;
+    n = hz / 1000000L;
 
-	l = sprintf (buf, "%ld", n);
+    l = sprintf (buf, "%ld", n);
 
-	m = (hz % 1000000L) / 1000L;
+    m = (hz % 1000000L) / 1000L;
 
-	if (m != 0)
-		sprintf (buf + l, ".%03ld", m);
+    if (m != 0)
+	sprintf (buf+l, ".%03ld", m);
 
-	return (buf);
+    return (buf);
 }
 
-static void syscalls_init (int reloc_off)
+/*
+ * All attempts to come up with a "common" initialization sequence
+ * that works for all boards and architectures failed: some of the
+ * requirements are just _too_ different. To get rid of the resulting
+ * mess of board dependend #ifdef'ed code we now make the whole
+ * initialization sequence configurable to the user.
+ *
+ * The requirements for any new initalization function is simple: it
+ * receives a pointer to the "global data" structure as it's only
+ * argument, and returns an integer return code, where 0 means
+ * "continue" and != 0 means "fatal error, hang the system".
+ */
+typedef int (init_fnc_t) (void);
+
+/************************************************************************
+ * Init Utilities							*
+ ************************************************************************
+ * Some of this code should be moved into the core functions,
+ * but let's get it working (again) first...
+ */
+
+static int init_baudrate (void)
 {
-	ulong *addr;
+	DECLARE_GLOBAL_DATA_PTR;
+
+	uchar tmp[64];	/* long enough for environment variables */
+	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
+
+	gd->baudrate = (i > 0)
+			? (int) simple_strtoul (tmp, NULL, 10)
+			: CONFIG_BAUDRATE;
+	return (0);
+}
 
-	addr = (ulong *) syscall_tbl;
-	syscall_tbl[SYSCALL_MALLOC] = (void *) malloc;
-	syscall_tbl[SYSCALL_FREE] = (void *) free;
+/***********************************************************************/
 
-	syscall_tbl[SYSCALL_INSTALL_HDLR] = (void *) irq_install_handler;
-	syscall_tbl[SYSCALL_FREE_HDLR] = (void *) irq_free_handler;
+static int init_func_ram (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
 
-	addr = (ulong *) 0xc00;	/* syscall ISR addr */
+	int board_type = 0;	/* use dummy arg */
+	puts ("DRAM:  ");
 
-	/* patch ISR code */
-	*addr++ |= (ulong) syscall_tbl >> 16;
-	*addr++ |= (ulong) syscall_tbl & 0xFFFF;
-	*addr++ |= NR_SYSCALLS >> 16;
-	*addr++ |= NR_SYSCALLS & 0xFFFF;
+	if ((gd->ram_size = initdram (board_type)) > 0) {
+		print_size (gd->ram_size, "\n");
+		return (0);
+	}
+	puts (failed);
+	return (1);
 }
 
+/***********************************************************************/
+
+/************************************************************************
+ * Initialization sequence						*
+ ************************************************************************
+ */
+
+init_fnc_t *init_sequence[] = {
+	env_init,
+	init_baudrate,
+	serial_init,
+	console_init_f,
+	display_options,
+	checkcpu,
+	checkboard,
+	init_func_ram,
+#if defined(CFG_DRAM_TEST)
+	testdram,
+#endif /* CFG_DRAM_TEST */
+	INIT_FUNC_WATCHDOG_INIT
+	NULL,			/* Terminate this list */
+};
+
+
 /************************************************************************
  *
  * This is the first part of the initialization sequence that is
@@ -164,132 +240,146 @@ static void syscalls_init (int reloc_off)
  ************************************************************************
  */
 
-
-gd_t *global_data;
-static gd_t gdata;
-static bd_t bdata;
-
-void board_init_f (ulong bootflag)
+void
+board_init_f (ulong bootflag)
 {
-	DECLARE_GLOBAL_DATA_PTR;
+    DECLARE_GLOBAL_DATA_PTR;
 
 	bd_t *bd;
-	ulong reg, len, addr, addr_sp, dram_size;
-	int i, baudrate, board_type;
-	char *s, *e;
+	ulong len, addr, addr_sp;
+	gd_t *id;
+	init_fnc_t **init_fnc_ptr;
+#ifdef CONFIG_PRAM
+	int i;
+	ulong reg;
 	uchar tmp[64];		/* long enough for environment variables */
+#endif
 
-	/* Pointer to initial global data area */
-	gd = global_data = &gdata;
-	bd = gd->bd = &bdata;
-
-	init_timebase ();
-	env_init ();
-
-	i = getenv_r ("baudrate", tmp, sizeof (tmp));
-	baudrate =
-		(i > 0) ? (int) simple_strtoul (tmp, NULL,
-						10) : CONFIG_BAUDRATE;
-	bd->bi_baudrate = baudrate;	/* Console Baudrate             */
-
-	/* set up serial port */
-	serial_init ();
-
-	/* Initialize the console (before the relocation) */
-	console_init_f ();
-
-#ifdef DEBUG
-	if (sizeof (init_data_t) > CFG_INIT_DATA_SIZE) {
-		printf ("PANIC: sizeof(init_data_t)=%d > CFG_INIT_DATA_SIZE=%d\n", sizeof (init_data_t), CFG_INIT_DATA_SIZE);
-		hang ();
-	}
-#endif /* DEBUG */
-
-	/* now we can use standard printf/puts/getc/tstc functions */
-	display_options ();
-
-	puts ("CPU:   ");	/* Check CPU            */
-	if (checkcpu () < 0) {
-		puts (failed);
-		hang ();
-	}
-
-	puts ("Board: ");	/* Check Board          */
-	if ((board_type = checkboard ()) < 0) {
-		puts (failed);
-		hang ();
-	}
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
 
-	puts ("DRAM:  ");
-	if ((dram_size = initdram (board_type)) > 0) {
-		printf ("%2ld MB\n", dram_size >> 20);
-	} else {
-		puts (failed);
-		hang ();
-	}
+	/* Clear initial global data */
+	memset ((void *) gd, 0, sizeof (gd_t));
 
-#if defined(CFG_DRAM_TEST)
-	if (testdram () != 0) {
-		hang ();
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		if ((*init_fnc_ptr)() != 0) {
+			hang ();
+		}
 	}
-#endif /* CFG_DRAM_TEST */
 
 	/*
 	 * Now that we have DRAM mapped and working, we can
 	 * relocate the code and continue running from DRAM.
 	 *
 	 * Reserve memory at end of RAM for (top down in that order):
-	 *  - protected RAM
-	 *  - LCD framebuffer
-	 *  - monitor code
-	 *  - board info struct
+	 *	- protected RAM
+	 *	- LCD framebuffer
+	 *	- monitor code
+	 *	- board info struct
 	 */
-	len = get_endaddr () - CFG_MONITOR_BASE;
+	len = (ulong)&_end - CFG_MONITOR_BASE;
 
-	if (len > CFG_MONITOR_LEN) {
-		printf ("*** u-boot size %ld > reserved memory (%d)\n",
-			len, CFG_MONITOR_LEN);
-		hang ();
-	}
+	addr = CFG_SDRAM_BASE + gd->ram_size;
 
-	if (CFG_MONITOR_LEN > len)
-		len = CFG_MONITOR_LEN;
+#ifdef CONFIG_LOGBUFFER
+	/* reserve kernel log buffer */
+	addr -= (LOGBUFF_RESERVE);
+	debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
+#endif
+
+#ifdef CONFIG_PRAM
+	/*
+	 * reserve protected RAM
+	 */
+	i = getenv_r ("pram", tmp, sizeof (tmp));
+	reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
+	addr -= (reg << 10);		/* size is in kB */
+	debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
+#endif /* CONFIG_PRAM */
 
-	addr = CFG_SDRAM_BASE + dram_size;
+	/*
+	 * reserve memory for U-Boot code, data & bss
+	 * round down to next 4 kB limit
+	 */
 	addr -= len;
+	addr &= ~(4096 - 1);
+
+	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
 
 	/*
-	 * Save local variables to board info struct
+	 * reserve memory for malloc() arena
 	 */
-	bd->bi_memstart = CFG_SDRAM_BASE;	/* start of  DRAM memory              */
-	bd->bi_memsize = dram_size;	/* size  of  DRAM memory in bytes     */
-	bd->bi_bootflags = bootflag;	/* boot / reboot flag (for LynxOS)    */
+	addr_sp = addr - TOTAL_MALLOC_LEN;
+	debug ("Reserving %dk for malloc() at: %08lx\n",
+			TOTAL_MALLOC_LEN >> 10, addr_sp);
 
-	i = getenv_r ("ethaddr", tmp, sizeof (tmp));
-	s = (i > 0) ? tmp : NULL;
+	/*
+	 * (permanently) allocate a Board Info struct
+	 * and a permanent copy of the "global" data
+	 */
+	addr_sp -= sizeof (bd_t);
+	bd = (bd_t *) addr_sp;
+	gd->bd = bd;
+	debug ("Reserving %d Bytes for Board Info at: %08lx\n",
+			sizeof (bd_t), addr_sp);
+	addr_sp -= sizeof (gd_t);
+	id = (gd_t *) addr_sp;
+	debug ("Reserving %d Bytes for Global Data at: %08lx\n",
+			sizeof (gd_t), addr_sp);
+
+ 	/* Reserve memory for boot params. */
+	addr_sp -= CFG_BOOTPARAMS_LEN;
+	bd->bi_boot_params = addr_sp;
+	debug ("Reserving %dk for boot parameters at: %08lx\n",
+			CFG_BOOTPARAMS_LEN >> 10, addr_sp);
 
-	for (reg = 0; reg < 6; ++reg) {
-		bd->bi_enetaddr[reg] = s ? simple_strtoul (s, &e, 16) : 0;
-		if (s)
-			s = (*e) ? e + 1 : e;
-	}
+	/*
+	 * Finally, we set up a new (bigger) stack.
+	 *
+	 * Leave some safety gap for SP, force alignment on 16 byte boundary
+	 * Clear initial stack frame
+	 */
+	addr_sp -= 16;
+	addr_sp &= ~0xF;
+	*((ulong *) addr_sp)-- = 0;
+	*((ulong *) addr_sp)-- = 0;
+	debug ("Stack Pointer at: %08lx\n", addr_sp);
 
-	bd->bi_intfreq = get_gclk_freq ();	/* Internal Freq, in Hz */
-	bd->bi_busfreq = get_bus_freq (get_gclk_freq ());	/* Bus Freq,      in Hz */
+	/*
+	 * Save local variables to board info struct
+	 */
+	bd->bi_memstart  = CFG_SDRAM_BASE;	/* start of  DRAM memory      */
+	bd->bi_memsize   = gd->ram_size;	/* size  of  DRAM memory in bytes */
+	bd->bi_mbar_base = CFG_MBAR;		/* base of internal registers */
+
+	bd->bi_bootflags = bootflag;		/* boot / reboot flag (for LynxOS)    */
+
+	WATCHDOG_RESET ();
+	bd->bi_intfreq = gd->cpu_clk;	/* Internal Freq, in Hz */
+	bd->bi_busfreq = gd->bus_clk;	/* Bus Freq,      in Hz */
+	bd->bi_baudrate = gd->baudrate;	/* Console Baudrate     */
 
 #ifdef CFG_EXTBDINFO
 	strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
-	strncpy (bd->bi_r_version, PPCBOOT_VERSION,
-		 sizeof (bd->bi_r_version));
+	strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
+#endif
+
+	WATCHDOG_RESET ();
 
-	bd->bi_procfreq = get_gclk_freq ();	/* Processor Speed, In Hz */
-	bd->bi_plb_busfreq = bd->bi_busfreq;
+#ifdef CONFIG_POST
+	post_bootmode_init();
+	post_run (NULL, POST_ROM | post_bootmode_get(0));
 #endif
 
-	board_init_final (addr);
+	WATCHDOG_RESET();
 
-}
+	memcpy (id, (void *)gd, sizeof (gd_t));
+
+	debug ("Start relocate of code from %08x to %08lx\n", CFG_MONITOR_BASE, addr);
+	relocate_code (addr_sp, id, addr);
 
+	/* NOTREACHED - jump_to_ram() does not return */
+}
 
 /************************************************************************
  *
@@ -300,61 +390,123 @@ void board_init_f (ulong bootflag)
  *
  ************************************************************************
  */
-
-void board_init_final (ulong dest_addr)
+void board_init_r (gd_t *id, ulong dest_addr)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	char *s;
 	cmd_tbl_t *cmdtp;
-	ulong flash_size;
+	char *s, *e;
 	bd_t *bd;
+	int i;
+	extern void malloc_bin_reloc (void);
 
+#ifndef CFG_ENV_IS_NOWHERE
+	extern char * env_name_spec;
+#endif
+#ifndef CFG_NO_FLASH
+	ulong flash_size;
+#endif
+	gd = id;		/* initialize RAM version of global data */
 	bd = gd->bd;
-	/* icache_enable(); /XX* it's time to enable the instruction cache */
+
+	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
+
+	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
+
+	WATCHDOG_RESET ();
+
+	gd->reloc_off =  dest_addr - CFG_MONITOR_BASE;
+
+	monitor_flash_len = (ulong)&__init_end - dest_addr;
+
+	/*
+	 * We have to relocate the command table manually
+	 */
+	for (cmdtp = &__u_boot_cmd_start; cmdtp !=  &__u_boot_cmd_end; cmdtp++) {
+		ulong addr;
+		addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
+#if 0
+		printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
+				cmdtp->name, (ulong) (cmdtp->cmd), addr);
+#endif
+		cmdtp->cmd =
+			(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
+
+		addr = (ulong)(cmdtp->name) + gd->reloc_off;
+		cmdtp->name = (char *)addr;
+
+		if (cmdtp->usage) {
+			addr = (ulong)(cmdtp->usage) + gd->reloc_off;
+			cmdtp->usage = (char *)addr;
+		}
+#ifdef	CFG_LONGHELP
+		if (cmdtp->help) {
+			addr = (ulong)(cmdtp->help) + gd->reloc_off;
+			cmdtp->help = (char *)addr;
+		}
+#endif
+	}
+	/* there are some other pointer constants we must deal with */
+#ifndef CFG_ENV_IS_NOWHERE
+	env_name_spec += gd->reloc_off;
+#endif
+
+	WATCHDOG_RESET ();
+
+#ifdef CONFIG_LOGBUFFER
+	logbuff_init_ptrs ();
+#endif
+#ifdef CONFIG_POST
+	post_output_backlog ();
+	post_reloc ();
+#endif
+	WATCHDOG_RESET();
+
+#if 0
+	/* instruction cache enabled in cpu_init_f() for faster relocation */
+	icache_enable ();	/* it's time to enable the instruction cache */
+#endif
 
 	/*
 	 * Setup trap handlers
 	 */
-	trap_init (dest_addr);
+	trap_init (0);
 
+#if !defined(CFG_NO_FLASH)
 	puts ("FLASH: ");
 
 	if ((flash_size = flash_init ()) > 0) {
-#ifdef CFG_FLASH_CHECKSUM
-		if (flash_size >= (1 << 20)) {
-			printf ("%2ld MB", flash_size >> 20);
-		} else {
-			printf ("%2ld kB", flash_size >> 10);
-		}
+# ifdef CFG_FLASH_CHECKSUM
+		print_size (flash_size, "");
 		/*
 		 * Compute and print flash CRC if flashchecksum is set to 'y'
 		 *
-		 * NOTE: Maybe we should add some WATCHDOG_RESET()?     XXX
+		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
 		 */
 		s = getenv ("flashchecksum");
 		if (s && (*s == 'y')) {
 			printf ("  CRC: %08lX",
-				crc32 (0,
-				       (const unsigned char *) CFG_FLASH_BASE,
-				       flash_size)
-				);
+					crc32 (0,
+						   (const unsigned char *) CFG_FLASH_BASE,
+						   flash_size)
+					);
 		}
 		putc ('\n');
-#else
-		if (flash_size >= (1 << 20)) {
-			printf ("%2ld MB\n", flash_size >> 20);
-		} else {
-			printf ("%2ld kB\n", flash_size >> 10);
-		}
-#endif /* CFG_FLASH_CHECKSUM */
+# else	/* !CFG_FLASH_CHECKSUM */
+		print_size (flash_size, "\n");
+# endif /* CFG_FLASH_CHECKSUM */
 	} else {
 		puts (failed);
 		hang ();
 	}
 
-	bd->bi_flashstart = CFG_FLASH_BASE;	/* update start of FLASH memory        */
-	bd->bi_flashsize = flash_size;	/* size of FLASH memory (final value)     */
-	bd->bi_flashoffset = 0x10000;	/* reserved area for startup monitor  */
+	bd->bi_flashstart = CFG_FLASH_BASE;	/* update start of FLASH memory    */
+	bd->bi_flashsize = flash_size;	/* size of FLASH memory (final value) */
+	bd->bi_flashoffset = 0;
+#else	/* CFG_NO_FLASH */
+	bd->bi_flashsize = 0;
+	bd->bi_flashstart = 0;
+	bd->bi_flashoffset = 0;
+#endif /* !CFG_NO_FLASH */
 
 	WATCHDOG_RESET ();
 
@@ -364,7 +516,8 @@ void board_init_final (ulong dest_addr)
 	WATCHDOG_RESET ();
 
 	/* initialize malloc() area */
-	mem_malloc_init (dest_addr);
+	mem_malloc_init ();
+	malloc_bin_reloc ();
 
 #ifdef CONFIG_SPI
 # if !defined(CFG_ENV_IS_IN_EEPROM)
@@ -376,36 +529,35 @@ void board_init_final (ulong dest_addr)
 	/* relocate environment function pointers etc. */
 	env_relocate ();
 
+	/*
+	 * Fill in missing fields of bd_info.
+	 * We do this here, where we have "normal" access to the
+	 * environment; we used to do this still running from ROM,
+	 * where had to use getenv_r(), which can be pretty slow when
+	 * the environment is in EEPROM.
+	 */
+	s = getenv ("ethaddr");
+	for (i = 0; i < 6; ++i) {
+		bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
+		if (s)
+			s = (*e) ? e + 1 : e;
+	}
+
 	/* IP Address */
 	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
 
 	WATCHDOG_RESET ();
 
-	/* allocate syscalls table (console_init_r will fill it in */
-	syscall_tbl = (void **) malloc (NR_SYSCALLS * sizeof (void *));
-
-	/* Initialize the console (after the relocation and devices init) */
 
+	/** leave this here (after malloc(), environment and PCI are working) **/
+	/* Initialize devices */
+	devices_init ();
 
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
-    defined(CONFIG_CCM)		|| \
-    defined(CONFIG_EP8260)	|| \
-    defined(CONFIG_IP860)	|| \
-    defined(CONFIG_IVML24)	|| \
-    defined(CONFIG_IVMS8)	|| \
-    defined(CONFIG_LWMON)	|| \
-    defined(CONFIG_MPC8260ADS)	|| \
-    defined(CONFIG_PCU_E)	|| \
-    defined(CONFIG_RPXSUPER)	|| \
-    defined(CONFIG_SPD823TS)	)
-
-	WATCHDOG_RESET ();
-# ifdef DEBUG
-	puts ("Reset Ethernet PHY\n");
-# endif
-	reset_phy ();
-#endif
+	/* Initialize the jump table for applications */
+	jumptable_init ();
 
+	/* Initialize the console (after the relocation and devices init) */
+	console_init_r ();
 
 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 	WATCHDOG_RESET ();
@@ -413,11 +565,28 @@ void board_init_final (ulong dest_addr)
 	kgdb_init ();
 #endif
 
+	debug ("U-Boot relocated to %08lx\n", dest_addr);
+
 	/*
 	 * Enable Interrupts
 	 */
 	interrupt_init ();
+
+	/* Must happen after interrupts are initialized since
+	 * an irq handler gets installed
+	 */
+	timer_init();
+
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+	serial_buffered_init();
+#endif
+
+#ifdef CONFIG_STATUS_LED
+	status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
+#endif
+
 	udelay (20);
+
 	set_timer (0);
 
 	/* Insert function pointers now that we have relocated the code */
@@ -434,10 +603,25 @@ void board_init_final (ulong dest_addr)
 
 	WATCHDOG_RESET ();
 
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
+#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+	WATCHDOG_RESET ();
+	puts ("DOC:   ");
+	doc_init ();
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
 	WATCHDOG_RESET ();
-	puts ("Net:   ");
-	eth_initialize (bd);
+	puts ("NAND:");
+	nand_init();		/* go init the NAND */
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
+	WATCHDOG_RESET();
+	eth_init(bd);
+#endif
+
+#ifdef CONFIG_POST
+	post_run (NULL, POST_RAM | post_bootmode_get(0));
 #endif
 
 #ifdef CONFIG_LAST_STAGE_INIT
@@ -455,26 +639,51 @@ void board_init_final (ulong dest_addr)
 	bedbug_init ();
 #endif
 
-#ifdef CONFIG_PRAM
+#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
 	/*
 	 * Export available size of memory for Linux,
 	 * taking into account the protected RAM at top of memory
 	 */
 	{
 		ulong pram;
-		char *s;
 		uchar memsz[32];
+#ifdef CONFIG_PRAM
+		char *s;
 
 		if ((s = getenv ("pram")) != NULL) {
 			pram = simple_strtoul (s, NULL, 10);
 		} else {
 			pram = CONFIG_PRAM;
 		}
+#else
+		pram=0;
+#endif
+#ifdef CONFIG_LOGBUFFER
+		/* Also take the logbuffer into account (pram is in kB) */
+		pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
+#endif
 		sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
 		setenv ("mem", memsz);
 	}
 #endif
 
+#ifdef CONFIG_MODEM_SUPPORT
+ {
+	 extern int do_mdm_init;
+	 do_mdm_init = gd->do_mdm_init;
+ }
+#endif
+
+#ifdef CONFIG_WATCHDOG
+	/* disable watchdog if environment is set */
+	if ((s = getenv ("watchdog")) != NULL) {
+		if (strncmp (s, "off", 3) == 0) {
+			WATCHDOG_DISABLE ();
+		}
+	}
+#endif /* CONFIG_WATCHDOG*/
+
+
 	/* Initialization complete - start the monitor */
 
 	/* main_loop() can return to retry autoboot, if so just run it again. */
@@ -486,7 +695,8 @@ void board_init_final (ulong dest_addr)
 	/* NOTREACHED - no way out of command loop except booting */
 }
 
-void hang (void)
+
+void hang(void)
 {
 	puts ("### ERROR ### Please RESET the board ###\n");
 	for (;;);
diff --git a/lib_m68k/cache.c b/lib_m68k/cache.c
new file mode 100644
index 0000000000..84fb6c2fbc
--- /dev/null
+++ b/lib_m68k/cache.c
@@ -0,0 +1,29 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+void flush_cache (ulong start_addr, ulong size)
+{
+	/* Must be implemented for all M68k processors with copy-back data cache */
+}
diff --git a/lib_m68k/extable.c b/lib_m68k/extable.c
deleted file mode 100644
index afbc1ebb85..0000000000
--- a/lib_m68k/extable.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 1999  Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- *
- * (C) Copyright 2000
- * 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>
-
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue.  No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path.  This means when everything is well,
- * we don't even have to jump over them.  Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry {
-	unsigned long insn, fixup;
-};
-
-extern const struct exception_table_entry __start___ex_table[];
-extern const struct exception_table_entry __stop___ex_table[];
-
-static inline unsigned long
-search_one_table (const struct exception_table_entry *first,
-		  const struct exception_table_entry *last,
-		  unsigned long value)
-{
-	while (first <= last) {
-		const struct exception_table_entry *mid;
-		long diff;
-
-		mid = (last - first) / 2 + first;
-		diff = mid->insn - value;
-		if (diff == 0)
-			return mid->fixup;
-		else if (diff < 0)
-			first = mid + 1;
-		else
-			last = mid - 1;
-	}
-	return 0;
-}
-
-int ex_tab_message = 1;
-
-unsigned long search_exception_table (unsigned long addr)
-{
-	unsigned long ret;
-
-	/* There is only the kernel to search.  */
-	ret = search_one_table (__start___ex_table, __stop___ex_table - 1,
-				addr);
-	if (ex_tab_message)
-		printf ("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret);
-	if (ret)
-		return ret;
-
-	return 0;
-}
diff --git a/lib_m68k/m68k_linux.c b/lib_m68k/m68k_linux.c
index b20393d011..a32de1a907 100644
--- a/lib_m68k/m68k_linux.c
+++ b/lib_m68k/m68k_linux.c
@@ -12,26 +12,25 @@
  *
  * 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
+ * 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
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307	 USA
  *
  */
 
 #include <common.h>
 #include <command.h>
-#include <cmd_boot.h>
 #include <image.h>
 #include <zlib.h>
 #include <asm/byteorder.h>
 
 #define PHYSADDR(x) x
 
-#define	LINUX_MAX_ENVS		256
-#define	LINUX_MAX_ARGS		256
+#define LINUX_MAX_ENVS		256
+#define LINUX_MAX_ARGS		256
 
 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 # include <status_led.h>
@@ -42,6 +41,8 @@
 
 extern image_header_t header;	/* from cmd_bootm.c */
 
+extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
+
 static int linux_argc;
 static char **linux_argv;
 
@@ -52,7 +53,6 @@ static int linux_env_idx;
 static void linux_params_init (ulong start, char *commandline);
 static void linux_env_set (char *env_name, char *env_val);
 
-
 void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		     ulong addr, ulong * len_ptr, int verify)
 {
@@ -123,9 +123,9 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		SHOW_BOOT_PROGRESS (11);
 
 		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_MIPS) ||
+		    (hdr->ih_arch != IH_CPU_M68K) ||
 		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			printf ("No Linux MIPS Ramdisk Image\n");
+			printf ("No Linux M68K Ramdisk Image\n");
 			SHOW_BOOT_PROGRESS (-13);
 			do_reset (cmdtp, flag, argc, argv);
 		}
diff --git a/lib_m68k/time.c b/lib_m68k/time.c
index 5fc2751216..0b85411dd8 100644
--- a/lib_m68k/time.c
+++ b/lib_m68k/time.c
@@ -1,5 +1,7 @@
 /*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+ *
+ * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -12,7 +14,7 @@
  *
  * 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
+ * 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
@@ -23,65 +25,149 @@
 
 #include <common.h>
 
+#include <asm/mcftimer.h>
+
+#ifdef	CONFIG_M5272
+#include <asm/m5272.h>
+#include <asm/immap_5272.h>
+#endif
+
+#ifdef	CONFIG_M5282
+#include <asm/m5282.h>
+#endif
+
+
+static ulong timestamp;
+#ifdef	CONFIG_M5282
+static unsigned short lastinc;
+#endif
 
-/* ------------------------------------------------------------------------- */
 
+#if defined(CONFIG_M5272)
 /*
- * This function is intended for SHORT delays only.
- * It will overflow at around 10 seconds @ 400MHz,
- * or 20 seconds @ 200MHz.
+ * We use timer 3 which is running with a period of 1 us
  */
-unsigned long usec2ticks(unsigned long usec)
+void udelay(unsigned long usec)
 {
-	ulong ticks;
+	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE3);
+	uint start, now, tmp;
+
+	while (usec > 0) {
+		if (usec > 65000)
+			tmp = 65000;
+		else
+			tmp = usec;
+		usec = usec - tmp;
+
+		/* Set up TIMER 3 as timebase clock */
+		timerp->timer_tmr = MCFTIMER_TMR_DISABLE;
+		timerp->timer_tcn = 0;
+		/* set period to 1 us */
+		timerp->timer_tmr = (((CFG_CLK / 1000000) - 1)	<< 8) | MCFTIMER_TMR_CLK1 |
+				     MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE;
+
+		start = now = timerp->timer_tcn;
+		while (now < start + tmp)
+			now = timerp->timer_tcn;
+	}
+}
+
+void mcf_timer_interrupt (void * not_used){
+	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE4);
+	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
 
-	if (usec < 1000) {
-		ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
-	} else {
-		ticks = ((usec / 10) * (get_tbclk() / 100000));
+	/* check for timer 4 interrupts */
+	if ((intp->int_isr & 0x01000000) != 0) {
+		return;
 	}
 
-	return (ticks);
+	/* reset timer */
+	timerp->timer_ter = MCFTIMER_TER_CAP | MCFTIMER_TER_REF;
+	timestamp ++;
 }
 
-/* ------------------------------------------------------------------------- */
+void timer_init (void) {
+	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE4);
+	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
 
-/*
- * We implement the delay by converting the delay (the number of
- * microseconds to wait) into a number of time base ticks; then we
- * watch the time base until it has incremented by that amount.
- */
-void udelay(unsigned long usec)
+	timestamp = 0;
+
+	/* Set up TIMER 4 as clock */
+	timerp->timer_tmr = MCFTIMER_TMR_DISABLE;
+
+	/* initialize and enable timer 4 interrupt */
+	irq_install_handler (72, mcf_timer_interrupt, 0);
+	intp->int_icr1 |= 0x0000000d;
+
+	timerp->timer_tcn = 0;
+	timerp->timer_trr = 1000;	/* Interrupt every ms */
+	/* set a period of 1us, set timer mode to restart and enable timer and interrupt */
+	timerp->timer_tmr = (((CFG_CLK / 1000000) - 1)	<< 8) | MCFTIMER_TMR_CLK1 |
+		MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE;
+}
+
+void reset_timer (void)
 {
-	ulong ticks = usec2ticks (usec);
+	timestamp = 0;
+}
 
-	wait_ticks (ticks);
+ulong get_timer (ulong base)
+{
+	return (timestamp - base);
 }
 
-/* ------------------------------------------------------------------------- */
+void set_timer (ulong t)
+{
+	timestamp = t;
+}
+#endif
 
-unsigned long ticks2usec(unsigned long ticks)
+#if defined(CONFIG_M5282)
+
+void udelay(unsigned long usec)
 {
-	ulong tbclk = get_tbclk();
-
-	/* usec = ticks * 1000000 / tbclk
-	 * Multiplication would overflow at ~4.2e3 ticks,
-	 * so we break it up into
-	 * usec = ( ( ticks * 1000) / tbclk ) * 1000;
-	 */
-	ticks *= 1000L;
-	ticks /= tbclk;
-	ticks *= 1000L;
-
-	return ((ulong)ticks);
 }
 
-/* ------------------------------------------------------------------------- */
+void timer_init (void)
+{
+	volatile unsigned short *timerp;
+
+	timerp = (volatile unsigned short *) (CFG_MBAR + MCFTIMER_BASE4);
+	timestamp = 0;
+
+	/* Set up TIMER 4 as poll clock */
+	timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW;
+	timerp[MCFTIMER_PMR] = lastinc = 0;
+	timerp[MCFTIMER_PCSR] =
+		(5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW;
+}
 
-int init_timebase (void)
+void set_timer (ulong t)
 {
-	/* FIXME!! */
-	return 0;
+	volatile unsigned short *timerp;
+
+	timerp = (volatile unsigned short *) (CFG_MBAR + MCFTIMER_BASE4);
+	timestamp = 0;
+	timerp[MCFTIMER_PMR] = lastinc = 0;
+}
+
+ulong get_timer (ulong base)
+{
+	unsigned short now, diff;
+	volatile unsigned short *timerp;
+
+	timerp = (volatile unsigned short *) (CFG_MBAR + MCFTIMER_BASE4);
+	now = timerp[MCFTIMER_PCNTR];
+	diff = -(now - lastinc);
+
+	timestamp += diff;
+	lastinc = now;
+	return timestamp - base;
 }
 
-/* ------------------------------------------------------------------------- */
+void wait_ticks (unsigned long ticks)
+{
+	set_timer (0);
+	while (get_timer (0) < ticks);
+}
+#endif
diff --git a/lib_m68k/traps.c b/lib_m68k/traps.c
new file mode 100644
index 0000000000..1ca94dc55f
--- /dev/null
+++ b/lib_m68k/traps.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2003
+ * Josef Baumgartner <josef.baumgartner@telex.de>
+ *
+ * (C) Copyright 2000
+ * 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 <watchdog.h>
+#include <command.h>
+#include <asm/processor.h>
+
+
+extern void _exc_handler(void);
+extern void _int_handler(void);
+
+static void show_frame(struct pt_regs *fp)
+{
+	printf ("Vector Number: %d  Format: %02x  Fault Status: %01x\n\n", (fp->vector & 0x3fc) >> 2,
+	        fp->format, (fp->vector & 0x3) | ((fp->vector & 0xc00) >> 8));
+	printf ("PC: %08lx    SR: %08lx    SP: %08lx\n", fp->pc, (long) fp->sr, (long) fp);
+	printf ("D0: %08lx    D1: %08lx    D2: %08lx    D3: %08lx\n",
+		fp->d0, fp->d1, fp->d2, fp->d3);
+	printf ("D4: %08lx    D5: %08lx    D6: %08lx    D7: %08lx\n",
+		fp->d4, fp->d5, fp->d6, fp->d7);
+	printf ("A0: %08lx    A1: %08lx    A2: %08lx    A3: %08lx\n",
+		fp->a0, fp->a1, fp->a2, fp->a3);
+	printf ("A4: %08lx    A5: %08lx    A6: %08lx\n",
+		fp->a4, fp->a5, fp->a6);
+}
+
+void exc_handler(struct pt_regs *fp) {
+	printf("\n\n*** Unexpected exception ***\n");
+	show_frame (fp);
+	printf("\n*** Please Reset Board! ***\n");
+	for(;;);
+}
+
+void trap_init(ulong value) {
+	unsigned long *vec = (ulong *)value;
+	int i;
+
+	for(i = 2; i < 25; i++) {
+		vec[i] = (unsigned long)_exc_handler;
+	}
+	for(i = 25; i < 32; i++) {
+		vec[i] = (unsigned long)_int_handler;
+	}
+	for(i = 32; i < 64; i++) {
+		vec[i] = (unsigned long)_exc_handler;
+	}
+	for(i = 64; i < 256; i++) {
+		vec[i] = (unsigned long)_int_handler;
+	}
+
+	setvbr(value);		/* set vector base register to new table */
+}