[people/ms/u-boot.git] / lib_mips / board.c

/*
 * (C) Copyright 2003
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <command.h>
#include <malloc.h>
#include <devices.h>
#include <version.h>
#include <net.h>
#include <environment.h>

DECLARE_GLOBAL_DATA_PTR;

#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)
#define	TOTAL_MALLOC_LEN	(CFG_MALLOC_LEN + CFG_ENV_SIZE)
#else
#define	TOTAL_MALLOC_LEN	CFG_MALLOC_LEN
#endif

#undef DEBUG

extern int timer_init(void);

extern int incaip_set_cpuclk(void);

extern ulong uboot_end_data;
extern ulong uboot_end;

ulong monitor_flash_len;

const char version_string[] =
	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";

static char *failed = "*** failed ***\n";

/*
 * Begin and End of memory area for malloc(), and current "brk"
 */
static ulong mem_malloc_start;
static ulong mem_malloc_end;
static ulong mem_malloc_brk;

/*
 * mips_io_port_base is the begin of the address space to which x86 style
 * I/O ports are mapped.
 */
unsigned long mips_io_port_base = -1;

/*
 * The Malloc area is immediately below the monitor copy in DRAM
 */
static void mem_malloc_init (void)
{
	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,
		mem_malloc_end - mem_malloc_start);
}

void *sbrk (ptrdiff_t increment)
{
	ulong old = mem_malloc_brk;
	ulong new = old + increment;

	if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
		return (NULL);
	}
	mem_malloc_brk = new;
	return ((void *) old);
}


static int init_func_ram (void)
{
#ifdef	CONFIG_BOARD_TYPES
	int board_type = gd->board_type;
#else
	int board_type = 0;	/* use dummy arg */
#endif
	puts ("DRAM:  ");

	if ((gd->ram_size = initdram (board_type)) > 0) {
		print_size (gd->ram_size, "\n");
		return (0);
	}
	puts (failed);
	return (1);
}

static int display_banner(void)
{

	printf ("\n\n%s\n\n", version_string);
	return (0);
}

static void display_flash_config(ulong size)
{
	puts ("Flash: ");
	print_size (size, "\n");
}


static int init_baudrate (void)
{
	char 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);
}


/*
 * Breath some life into the board...
 *
 * The first part of initialization is running from Flash memory;
 * its main purpose is to initialize the RAM so that we
 * can relocate the monitor code to RAM.
 */

/*
 * 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_fnc_t *init_sequence[] = {
	timer_init,
	env_init,		/* initialize environment */
#ifdef CONFIG_INCA_IP
	incaip_set_cpuclk,	/* set cpu clock according to environment variable */
#endif
	init_baudrate,		/* initialze baudrate settings */
	serial_init,		/* serial communications setup */
	console_init_f,
	display_banner,		/* say that we are here */
	checkboard,
	init_func_ram,
	NULL,
};


void board_init_f(ulong bootflag)
{
	gd_t gd_data, *id;
	bd_t *bd;
	init_fnc_t **init_fnc_ptr;
	ulong addr, addr_sp, len = (ulong)&uboot_end - CFG_MONITOR_BASE;
	ulong *s;
#ifdef CONFIG_PURPLE
	void copy_code (ulong);
#endif

	/* Pointer is writable since we allocated a register for it.
	 */
	gd = &gd_data;
	/* compiler optimization barrier needed for GCC >= 3.4 */
	__asm__ __volatile__("": : :"memory");

	memset ((void *)gd, 0, sizeof (gd_t));

	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
		if ((*init_fnc_ptr)() != 0) {
			hang ();
		}
	}

	/*
	 * Now that we have DRAM mapped and working, we can
	 * relocate the code and continue running from DRAM.
	 */
	addr = CFG_SDRAM_BASE + gd->ram_size;

	/* We can reserve some RAM "on top" here.
	 */

	/* round down to next 4 kB limit.
	 */
	addr &= ~(4096 - 1);
	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);

	/* Reserve memory for U-Boot code, data & bss
	 * round down to next 16 kB limit
	 */
	addr -= len;
	addr &= ~(16 * 1024 - 1);

	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);

	 /* Reserve memory for malloc() arena.
	 */
	addr_sp = addr - TOTAL_MALLOC_LEN;
	debug ("Reserving %dk for malloc() at: %08lx\n",
			TOTAL_MALLOC_LEN >> 10, addr_sp);

	/*
	 * (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 params() at: %08lx\n",
			CFG_BOOTPARAMS_LEN >> 10, addr_sp);

	/*
	 * 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;
	s = (ulong *)addr_sp;
	*s-- = 0;
	*s-- = 0;
	addr_sp = (ulong)s;
	debug ("Stack Pointer at: %08lx\n", addr_sp);

	/*
	 * 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_baudrate	= gd->baudrate;		/* Console Baudrate */

	memcpy (id, (void *)gd, sizeof (gd_t));

	/* On the purple board we copy the code in a special way
	 * in order to solve flash problems
	 */
#ifdef CONFIG_PURPLE
	copy_code(addr);
#endif

	relocate_code (addr_sp, id, addr);

	/* NOTREACHED - relocate_code() does not return */
}
/************************************************************************
 *
 * This is the next part if the initialization sequence: we are now
 * running from RAM and have a "normal" C environment, i. e. global
 * data can be written, BSS has been cleared, the stack size in not
 * that critical any more, etc.
 *
 ************************************************************************
 */

void board_init_r (gd_t *id, ulong dest_addr)
{
	cmd_tbl_t *cmdtp;
	ulong size;
	extern void malloc_bin_reloc (void);
#ifndef CFG_ENV_IS_NOWHERE
	extern char * env_name_spec;
#endif
	char *s, *e;
	bd_t *bd;
	int i;

	gd = id;
	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */

	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);

	gd->reloc_off = dest_addr - CFG_MONITOR_BASE;

	monitor_flash_len = (ulong)&uboot_end_data - 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

	/* configure available FLASH banks */
	size = flash_init();
	display_flash_config (size);

	bd = gd->bd;
	bd->bi_flashstart = CFG_FLASH_BASE;
	bd->bi_flashsize = size;
#if CFG_MONITOR_BASE == CFG_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for U-Boot */
#else
	bd->bi_flashoffset = 0;
#endif

	/* initialize malloc() area */
	mem_malloc_init();
	malloc_bin_reloc();

	/* relocate environment function pointers etc. */
	env_relocate();

	/* board MAC address */
	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");

#if defined(CONFIG_PCI)
	/*
	 * Do pci configuration
	 */
	pci_init();
#endif

/** leave this here (after malloc(), environment and PCI are working) **/
	/* Initialize devices */
	devices_init ();

	jumptable_init ();

	/* Initialize the console (after the relocation and devices init) */
	console_init_r ();
/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/

	/* Initialize from environment */
	if ((s = getenv ("loadaddr")) != NULL) {
		load_addr = simple_strtoul (s, NULL, 16);
	}
#if defined(CONFIG_CMD_NET)
	if ((s = getenv ("bootfile")) != NULL) {
		copy_filename (BootFile, s, sizeof (BootFile));
	}
#endif

#if defined(CONFIG_MISC_INIT_R)
	/* miscellaneous platform dependent initialisations */
	misc_init_r ();
#endif

#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
	puts ("Net:   ");
#endif
	eth_initialize(gd->bd);
#endif

	/* main_loop() can return to retry autoboot, if so just run it again. */
	for (;;) {
		main_loop ();
	}

	/* NOTREACHED - no way out of command loop except booting */
}

void hang (void)
{
	puts ("### ERROR ### Please RESET the board ###\n");
	for (;;);
}
Commit	Line	Data
c021880a WD	1	/*
	2	* (C) Copyright 2003
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	#include <common.h>
	25	#include <command.h>
	26	#include <malloc.h>
	27	#include <devices.h>
c021880a WD	28	#include <version.h>
	29	#include <net.h>
	30	#include <environment.h>
	31
c75eba3b WD	32	DECLARE_GLOBAL_DATA_PTR;
c75eba3b WD	33
c021880a WD	34	#if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) \|\| \
	35	(CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) \|\| \
	36	defined(CFG_ENV_IS_IN_NVRAM)
	37	#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
	38	#else
	39	#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
	40	#endif
	41
	42	#undef DEBUG
	43
	44	extern int timer_init(void);
	45
7cb22f97 WD	46	extern int incaip_set_cpuclk(void);
7cb22f97 WD	47
3b57fe0a WD	48	extern ulong uboot_end_data;
	49	extern ulong uboot_end;
	50
	51	ulong monitor_flash_len;
	52
c021880a WD	53	const char version_string[] =
	54	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
	55
	56	static char failed = " failed *\n";
	57
	58	/*
	59	* Begin and End of memory area for malloc(), and current "brk"
	60	*/
	61	static ulong mem_malloc_start;
	62	static ulong mem_malloc_end;
	63	static ulong mem_malloc_brk;
	64
5c15010e JCPV	65	/*
	66	* mips_io_port_base is the begin of the address space to which x86 style
	67	* I/O ports are mapped.
	68	*/
	69	unsigned long mips_io_port_base = -1;
c021880a WD	70
	71	/*
	72	* The Malloc area is immediately below the monitor copy in DRAM
	73	*/
	74	static void mem_malloc_init (void)
	75	{
c021880a WD	76	ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
	77
	78	mem_malloc_end = dest_addr;
	79	mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
	80	mem_malloc_brk = mem_malloc_start;
	81
	82	memset ((void *) mem_malloc_start,
	83	0,
	84	mem_malloc_end - mem_malloc_start);
	85	}
	86
	87	void *sbrk (ptrdiff_t increment)
	88	{
	89	ulong old = mem_malloc_brk;
	90	ulong new = old + increment;
	91
	92	if ((new < mem_malloc_start) \|\| (new > mem_malloc_end)) {
	93	return (NULL);
	94	}
	95	mem_malloc_brk = new;
	96	return ((void *) old);
	97	}
	98
	99
	100	static int init_func_ram (void)
	101	{
c021880a WD	102	#ifdef CONFIG_BOARD_TYPES
	103	int board_type = gd->board_type;
	104	#else
	105	int board_type = 0; /* use dummy arg */
	106	#endif
	107	puts ("DRAM: ");
	108
	109	if ((gd->ram_size = initdram (board_type)) > 0) {
	110	print_size (gd->ram_size, "\n");
	111	return (0);
	112	}
	113	puts (failed);
	114	return (1);
	115	}
	116
	117	static int display_banner(void)
	118	{
	119
	120	printf ("\n\n%s\n\n", version_string);
	121	return (0);
	122	}
	123
	124	static void display_flash_config(ulong size)
	125	{
	126	puts ("Flash: ");
	127	print_size (size, "\n");
	128	}
	129
	130
	131	static int init_baudrate (void)
	132	{
f013dacf	133	char tmp[64]; /* long enough for environment variables */
c021880a WD	134	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
	135
	136	gd->baudrate = (i > 0)
	137	? (int) simple_strtoul (tmp, NULL, 10)
	138	: CONFIG_BAUDRATE;
	139
	140	return (0);
	141	}
	142
	143
	144	/*
	145	* Breath some life into the board...
	146	*
	147	* The first part of initialization is running from Flash memory;
	148	* its main purpose is to initialize the RAM so that we
	149	* can relocate the monitor code to RAM.
	150	*/
	151
	152	/*
	153	* All attempts to come up with a "common" initialization sequence
	154	* that works for all boards and architectures failed: some of the
	155	* requirements are just _too_ different. To get rid of the resulting
	156	* mess of board dependend #ifdef'ed code we now make the whole
	157	* initialization sequence configurable to the user.
	158	*
	159	* The requirements for any new initalization function is simple: it
	160	* receives a pointer to the "global data" structure as it's only
	161	* argument, and returns an integer return code, where 0 means
	162	* "continue" and != 0 means "fatal error, hang the system".
	163	*/
	164	typedef int (init_fnc_t) (void);
	165
	166	init_fnc_t *init_sequence[] = {
	167	timer_init,
	168	env_init, /* initialize environment */
7cb22f97 WD	169	#ifdef CONFIG_INCA_IP
	170	incaip_set_cpuclk, /* set cpu clock according to environment variable */
	171	#endif
c021880a WD	172	init_baudrate, /* initialze baudrate settings */
	173	serial_init, /* serial communications setup */
	174	console_init_f,
	175	display_banner, /* say that we are here */
85ec0bcc	176	checkboard,
c021880a WD	177	init_func_ram,
	178	NULL,
	179	};
	180
	181
	182	void board_init_f(ulong bootflag)
	183	{
c021880a WD	184	gd_t gd_data, *id;
	185	bd_t *bd;
	186	init_fnc_t **init_fnc_ptr;
3b57fe0a	187	ulong addr, addr_sp, len = (ulong)&uboot_end - CFG_MONITOR_BASE;
c75eba3b	188	ulong *s;
3e38691e WD	189	#ifdef CONFIG_PURPLE
	190	void copy_code (ulong);
	191	#endif
c021880a	192
69459791 WD	193	/* Pointer is writable since we allocated a register for it.
69459791 WD	194	*/
c021880a	195	gd = &gd_data;
93f6a677 WD	196	/* compiler optimization barrier needed for GCC >= 3.4 */
	197	__asm__ __volatile__("": : :"memory");
	198
27b207fd	199	memset ((void *)gd, 0, sizeof (gd_t));
c021880a WD	200
	201	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
	202	if ((*init_fnc_ptr)() != 0) {
	203	hang ();
	204	}
	205	}
	206
	207	/*
	208	* Now that we have DRAM mapped and working, we can
	209	* relocate the code and continue running from DRAM.
	210	*/
	211	addr = CFG_SDRAM_BASE + gd->ram_size;
	212
69459791 WD	213	/* We can reserve some RAM "on top" here.
69459791 WD	214	*/
c021880a	215
69459791 WD	216	/* round down to next 4 kB limit.
69459791 WD	217	*/
c021880a	218	addr &= ~(4096 - 1);
69459791	219	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
8bde7f77	220
69459791 WD	221	/* Reserve memory for U-Boot code, data & bss
	222	* round down to next 16 kB limit
	223	*/
c021880a	224	addr -= len;
3b57fe0a	225	addr &= ~(16 * 1024 - 1);
c021880a	226
69459791	227	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
c021880a	228
69459791 WD	229	/* Reserve memory for malloc() arena.
69459791 WD	230	*/
c021880a	231	addr_sp = addr - TOTAL_MALLOC_LEN;
69459791	232	debug ("Reserving %dk for malloc() at: %08lx\n",
c021880a	233	TOTAL_MALLOC_LEN >> 10, addr_sp);
c021880a WD	234
	235	/*
	236	* (permanently) allocate a Board Info struct
	237	* and a permanent copy of the "global" data
	238	*/
	239	addr_sp -= sizeof(bd_t);
	240	bd = (bd_t *)addr_sp;
	241	gd->bd = bd;
69459791	242	debug ("Reserving %d Bytes for Board Info at: %08lx\n",
c021880a	243	sizeof(bd_t), addr_sp);
69459791	244
c021880a WD	245	addr_sp -= sizeof(gd_t);
c021880a WD	246	id = (gd_t *)addr_sp;
69459791	247	debug ("Reserving %d Bytes for Global Data at: %08lx\n",
c021880a	248	sizeof (gd_t), addr_sp);
c021880a	249
69459791 WD	250	/* Reserve memory for boot params.
69459791 WD	251	*/
c021880a WD	252	addr_sp -= CFG_BOOTPARAMS_LEN;
c021880a WD	253	bd->bi_boot_params = addr_sp;
69459791	254	debug ("Reserving %dk for boot params() at: %08lx\n",
c021880a	255	CFG_BOOTPARAMS_LEN >> 10, addr_sp);
c021880a WD	256
	257	/*
	258	* Finally, we set up a new (bigger) stack.
	259	*
	260	* Leave some safety gap for SP, force alignment on 16 byte boundary
	261	* Clear initial stack frame
	262	*/
	263	addr_sp -= 16;
	264	addr_sp &= ~0xF;
c75eba3b WD	265	s = (ulong *)addr_sp;
	266	*s-- = 0;
	267	*s-- = 0;
	268	addr_sp = (ulong)s;
69459791 WD	269	debug ("Stack Pointer at: %08lx\n", addr_sp);
69459791 WD	270
c021880a WD	271	/*
	272	* Save local variables to board info struct
	273	*/
	274	bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
	275	bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
	276	bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
	277
27b207fd	278	memcpy (id, (void *)gd, sizeof (gd_t));
3e38691e WD	279
	280	/* On the purple board we copy the code in a special way
	281	* in order to solve flash problems
	282	*/
	283	#ifdef CONFIG_PURPLE
	284	copy_code(addr);
	285	#endif
	286
c021880a WD	287	relocate_code (addr_sp, id, addr);
	288
	289	/* NOTREACHED - relocate_code() does not return */
	290	}
	291	/************************************************************************
	292	*
	293	* This is the next part if the initialization sequence: we are now
	294	* running from RAM and have a "normal" C environment, i. e. global
	295	* data can be written, BSS has been cleared, the stack size in not
	296	* that critical any more, etc.
	297	*
	298	************************************************************************
	299	*/
	300
	301	void board_init_r (gd_t *id, ulong dest_addr)
	302	{
c021880a WD	303	cmd_tbl_t *cmdtp;
	304	ulong size;
	305	extern void malloc_bin_reloc (void);
	306	#ifndef CFG_ENV_IS_NOWHERE
	307	extern char * env_name_spec;
	308	#endif
	309	char s, e;
	310	bd_t *bd;
	311	int i;
	312
	313	gd = id;
	314	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
	315
69459791	316	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
c021880a WD	317
	318	gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
	319
3b57fe0a WD	320	monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
3b57fe0a WD	321
c021880a WD	322	/*
	323	* We have to relocate the command table manually
	324	*/
8bde7f77	325	for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
c021880a WD	326	ulong addr;
	327
	328	addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
	329	#if 0
	330	printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
	331	cmdtp->name, (ulong) (cmdtp->cmd), addr);
	332	#endif
	333	cmdtp->cmd =
	334	(int ()(struct cmd_tbl_s , int, int, char *[]))addr;
	335
	336	addr = (ulong)(cmdtp->name) + gd->reloc_off;
	337	cmdtp->name = (char *)addr;
	338
	339	if (cmdtp->usage) {
	340	addr = (ulong)(cmdtp->usage) + gd->reloc_off;
	341	cmdtp->usage = (char *)addr;
	342	}
	343	#ifdef CFG_LONGHELP
	344	if (cmdtp->help) {
	345	addr = (ulong)(cmdtp->help) + gd->reloc_off;
	346	cmdtp->help = (char *)addr;
	347	}
	348	#endif
	349	}
	350	/* there are some other pointer constants we must deal with */
	351	#ifndef CFG_ENV_IS_NOWHERE
	352	env_name_spec += gd->reloc_off;
	353	#endif
8bde7f77	354
c021880a WD	355	/* configure available FLASH banks */
	356	size = flash_init();
	357	display_flash_config (size);
	358
	359	bd = gd->bd;
	360	bd->bi_flashstart = CFG_FLASH_BASE;
	361	bd->bi_flashsize = size;
	362	#if CFG_MONITOR_BASE == CFG_FLASH_BASE
3b57fe0a	363	bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
c021880a WD	364	#else
	365	bd->bi_flashoffset = 0;
	366	#endif
	367
	368	/* initialize malloc() area */
	369	mem_malloc_init();
	370	malloc_bin_reloc();
	371
	372	/* relocate environment function pointers etc. */
	373	env_relocate();
	374
	375	/* board MAC address */
	376	s = getenv ("ethaddr");
	377	for (i = 0; i < 6; ++i) {
	378	bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
	379	if (s)
	380	s = (*e) ? e + 1 : e;
	381	}
	382
	383	/* IP Address */
	384	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
	385
f4863a7a WD	386	#if defined(CONFIG_PCI)
	387	/*
	388	* Do pci configuration
	389	*/
	390	pci_init();
	391	#endif
	392
c021880a WD	393	/ leave this here (after malloc(), environment and PCI are working) /
	394	/* Initialize devices */
	395	devices_init ();
	396
27b207fd	397	jumptable_init ();
c021880a WD	398
	399	/* Initialize the console (after the relocation and devices init) */
	400	console_init_r ();
	401	/ /
	402
3e38691e WD	403	/* Initialize from environment */
	404	if ((s = getenv ("loadaddr")) != NULL) {
	405	load_addr = simple_strtoul (s, NULL, 16);
	406	}
7def6b34	407	#if defined(CONFIG_CMD_NET)
3e38691e WD	408	if ((s = getenv ("bootfile")) != NULL) {
	409	copy_filename (BootFile, s, sizeof (BootFile));
	410	}
b3aff0cb	411	#endif
3e38691e WD	412
	413	#if defined(CONFIG_MISC_INIT_R)
	414	/* miscellaneous platform dependent initialisations */
	415	misc_init_r ();
	416	#endif
	417
7def6b34	418	#if defined(CONFIG_CMD_NET)
63ff004c	419	#if defined(CONFIG_NET_MULTI)
c021880a	420	puts ("Net: ");
63ff004c	421	#endif
c021880a WD	422	eth_initialize(gd->bd);
	423	#endif
	424
	425	/* main_loop() can return to retry autoboot, if so just run it again. */
	426	for (;;) {
	427	main_loop ();
	428	}
	429
	430	/* NOTREACHED - no way out of command loop except booting */
	431	}
	432
	433	void hang (void)
	434	{
	435	puts ("### ERROR ### Please RESET the board ###\n");
	436	for (;;);
	437	}