[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 <stdio_dev.h>
#include <timestamp.h>
#include <version.h>
#include <net.h>
#include <environment.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <spi.h>

DECLARE_GLOBAL_DATA_PTR;

#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
      (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
    defined(CONFIG_ENV_IS_IN_NVRAM)
#define	TOTAL_MALLOC_LEN	(CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
#else
#define	TOTAL_MALLOC_LEN	CONFIG_SYS_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" (" U_BOOT_DATE " - " U_BOOT_TIME ")";

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

/*
 * 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;

int __board_early_init_f(void)
{
	/*
	 * Nothing to do in this dummy implementation
	 */
	return 0;
}
int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));


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);
}

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

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[] = {
	board_early_init_f,
	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 - CONFIG_SYS_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 = CONFIG_SYS_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 %zu Bytes for Board Info at: %08lx\n",
			sizeof(bd_t), addr_sp);

	addr_sp -= sizeof(gd_t);
	id = (gd_t *)addr_sp;
	debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
			sizeof (gd_t), addr_sp);

	/* Reserve memory for boot params.
	 */
	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
	bd->bi_boot_params = addr_sp;
	debug ("Reserving %dk for boot params() at: %08lx\n",
			CONFIG_SYS_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	= CONFIG_SYS_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;
#ifndef CONFIG_SYS_NO_FLASH
	ulong size;
#endif
	extern void malloc_bin_reloc (void);
#ifndef CONFIG_ENV_IS_NOWHERE
	extern char * env_name_spec;
#endif
	char *s;
	bd_t *bd;

	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 - CONFIG_SYS_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	CONFIG_SYS_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 CONFIG_ENV_IS_NOWHERE
	env_name_spec += gd->reloc_off;
#endif

	bd = gd->bd;

	/* The Malloc area is immediately below the monitor copy in DRAM */
	mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
			TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
	malloc_bin_reloc();

#ifndef CONFIG_SYS_NO_FLASH
	/* configure available FLASH banks */
	size = flash_init();
	display_flash_config (size);
	bd->bi_flashsize = size;
#endif

	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for U-Boot */
#else
	bd->bi_flashoffset = 0;
#endif

#ifdef CONFIG_CMD_NAND
	puts ("NAND:  ");
	nand_init ();		/* go init the NAND */
#endif

#if defined(CONFIG_CMD_ONENAND)
	onenand_init();
#endif

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

	/* 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 stdio devices */
	stdio_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

#ifdef CONFIG_CMD_SPI
	puts ("SPI:   ");
	spi_init ();		/* go init the SPI */
	puts ("ready\n");
#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>
52cb4d4f	27	#include <stdio_dev.h>
561858ee	28	#include <timestamp.h>
c021880a WD	29	#include <version.h>
	30	#include <net.h>
	31	#include <environment.h>
e996bc33	32	#include <nand.h>
9d23fc58	33	#include <onenand_uboot.h>
89a1550e	34	#include <spi.h>
c021880a	35
c75eba3b WD	36	DECLARE_GLOBAL_DATA_PTR;
c75eba3b WD	37
6d0f6bcf JCPV	38	#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) \|\| \
6d0f6bcf JCPV	39	(CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) \|\| \
9314cee6	40	defined(CONFIG_ENV_IS_IN_NVRAM)
6d0f6bcf	41	#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
c021880a	42	#else
6d0f6bcf	43	#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
c021880a WD	44	#endif
	45
	46	#undef DEBUG
	47
	48	extern int timer_init(void);
	49
7cb22f97 WD	50	extern int incaip_set_cpuclk(void);
7cb22f97 WD	51
3b57fe0a WD	52	extern ulong uboot_end_data;
	53	extern ulong uboot_end;
	54
	55	ulong monitor_flash_len;
	56
c021880a	57	const char version_string[] =
561858ee	58	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
c021880a WD	59
	60	static char failed = " failed *\n";
	61
5c15010e JCPV	62	/*
	63	* mips_io_port_base is the begin of the address space to which x86 style
	64	* I/O ports are mapped.
	65	*/
	66	unsigned long mips_io_port_base = -1;
c021880a	67
db08ecaa SR	68	int __board_early_init_f(void)
	69	{
	70	/*
	71	* Nothing to do in this dummy implementation
	72	*/
	73	return 0;
	74	}
	75	int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
	76
c021880a WD	77
	78	static int init_func_ram (void)
	79	{
c021880a WD	80	#ifdef CONFIG_BOARD_TYPES
	81	int board_type = gd->board_type;
	82	#else
	83	int board_type = 0; /* use dummy arg */
	84	#endif
	85	puts ("DRAM: ");
	86
	87	if ((gd->ram_size = initdram (board_type)) > 0) {
	88	print_size (gd->ram_size, "\n");
	89	return (0);
	90	}
	91	puts (failed);
	92	return (1);
	93	}
	94
	95	static int display_banner(void)
	96	{
	97
	98	printf ("\n\n%s\n\n", version_string);
	99	return (0);
	100	}
	101
6d0f6bcf	102	#ifndef CONFIG_SYS_NO_FLASH
c021880a WD	103	static void display_flash_config(ulong size)
	104	{
	105	puts ("Flash: ");
	106	print_size (size, "\n");
	107	}
beeccf7a	108	#endif
c021880a WD	109
	110	static int init_baudrate (void)
	111	{
f013dacf	112	char tmp[64]; /* long enough for environment variables */
c021880a WD	113	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
	114
	115	gd->baudrate = (i > 0)
	116	? (int) simple_strtoul (tmp, NULL, 10)
	117	: CONFIG_BAUDRATE;
	118
	119	return (0);
	120	}
	121
	122
	123	/*
	124	* Breath some life into the board...
	125	*
	126	* The first part of initialization is running from Flash memory;
	127	* its main purpose is to initialize the RAM so that we
	128	* can relocate the monitor code to RAM.
	129	*/
	130
	131	/*
	132	* All attempts to come up with a "common" initialization sequence
	133	* that works for all boards and architectures failed: some of the
	134	* requirements are just _too_ different. To get rid of the resulting
	135	* mess of board dependend #ifdef'ed code we now make the whole
	136	* initialization sequence configurable to the user.
	137	*
	138	* The requirements for any new initalization function is simple: it
	139	* receives a pointer to the "global data" structure as it's only
	140	* argument, and returns an integer return code, where 0 means
	141	* "continue" and != 0 means "fatal error, hang the system".
	142	*/
	143	typedef int (init_fnc_t) (void);
	144
	145	init_fnc_t *init_sequence[] = {
db08ecaa	146	board_early_init_f,
c021880a WD	147	timer_init,
c021880a WD	148	env_init, /* initialize environment */
7cb22f97 WD	149	#ifdef CONFIG_INCA_IP
	150	incaip_set_cpuclk, /* set cpu clock according to environment variable */
	151	#endif
c021880a WD	152	init_baudrate, /* initialze baudrate settings */
	153	serial_init, /* serial communications setup */
	154	console_init_f,
	155	display_banner, /* say that we are here */
85ec0bcc	156	checkboard,
c021880a WD	157	init_func_ram,
	158	NULL,
	159	};
	160
	161
	162	void board_init_f(ulong bootflag)
	163	{
c021880a WD	164	gd_t gd_data, *id;
	165	bd_t *bd;
	166	init_fnc_t **init_fnc_ptr;
6d0f6bcf	167	ulong addr, addr_sp, len = (ulong)&uboot_end - CONFIG_SYS_MONITOR_BASE;
c75eba3b	168	ulong *s;
3e38691e WD	169	#ifdef CONFIG_PURPLE
	170	void copy_code (ulong);
	171	#endif
c021880a	172
69459791 WD	173	/* Pointer is writable since we allocated a register for it.
69459791 WD	174	*/
c021880a	175	gd = &gd_data;
93f6a677 WD	176	/* compiler optimization barrier needed for GCC >= 3.4 */
	177	__asm__ __volatile__("": : :"memory");
	178
27b207fd	179	memset ((void *)gd, 0, sizeof (gd_t));
c021880a WD	180
	181	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
	182	if ((*init_fnc_ptr)() != 0) {
	183	hang ();
	184	}
	185	}
	186
	187	/*
	188	* Now that we have DRAM mapped and working, we can
	189	* relocate the code and continue running from DRAM.
	190	*/
6d0f6bcf	191	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
c021880a	192
69459791 WD	193	/* We can reserve some RAM "on top" here.
69459791 WD	194	*/
c021880a	195
69459791 WD	196	/* round down to next 4 kB limit.
69459791 WD	197	*/
c021880a	198	addr &= ~(4096 - 1);
69459791	199	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
8bde7f77	200
69459791 WD	201	/* Reserve memory for U-Boot code, data & bss
	202	* round down to next 16 kB limit
	203	*/
c021880a	204	addr -= len;
3b57fe0a	205	addr &= ~(16 * 1024 - 1);
c021880a	206
69459791	207	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
c021880a	208
69459791 WD	209	/* Reserve memory for malloc() arena.
69459791 WD	210	*/
c021880a	211	addr_sp = addr - TOTAL_MALLOC_LEN;
69459791	212	debug ("Reserving %dk for malloc() at: %08lx\n",
c021880a	213	TOTAL_MALLOC_LEN >> 10, addr_sp);
c021880a WD	214
	215	/*
	216	* (permanently) allocate a Board Info struct
	217	* and a permanent copy of the "global" data
	218	*/
	219	addr_sp -= sizeof(bd_t);
	220	bd = (bd_t *)addr_sp;
	221	gd->bd = bd;
b64f190b	222	debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
c021880a	223	sizeof(bd_t), addr_sp);
69459791	224
c021880a WD	225	addr_sp -= sizeof(gd_t);
c021880a WD	226	id = (gd_t *)addr_sp;
b64f190b	227	debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
c021880a	228	sizeof (gd_t), addr_sp);
c021880a	229
beeccf7a	230	/* Reserve memory for boot params.
69459791	231	*/
6d0f6bcf	232	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
c021880a	233	bd->bi_boot_params = addr_sp;
69459791	234	debug ("Reserving %dk for boot params() at: %08lx\n",
6d0f6bcf	235	CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
c021880a WD	236
	237	/*
	238	* Finally, we set up a new (bigger) stack.
	239	*
	240	* Leave some safety gap for SP, force alignment on 16 byte boundary
	241	* Clear initial stack frame
	242	*/
	243	addr_sp -= 16;
	244	addr_sp &= ~0xF;
c75eba3b WD	245	s = (ulong *)addr_sp;
	246	*s-- = 0;
	247	*s-- = 0;
	248	addr_sp = (ulong)s;
69459791 WD	249	debug ("Stack Pointer at: %08lx\n", addr_sp);
69459791 WD	250
c021880a WD	251	/*
	252	* Save local variables to board info struct
	253	*/
6d0f6bcf	254	bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
c021880a WD	255	bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
	256	bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
	257
27b207fd	258	memcpy (id, (void *)gd, sizeof (gd_t));
3e38691e WD	259
	260	/* On the purple board we copy the code in a special way
	261	* in order to solve flash problems
	262	*/
	263	#ifdef CONFIG_PURPLE
	264	copy_code(addr);
	265	#endif
	266
c021880a WD	267	relocate_code (addr_sp, id, addr);
	268
	269	/* NOTREACHED - relocate_code() does not return */
	270	}
	271	/************************************************************************
	272	*
	273	* This is the next part if the initialization sequence: we are now
	274	* running from RAM and have a "normal" C environment, i. e. global
	275	* data can be written, BSS has been cleared, the stack size in not
	276	* that critical any more, etc.
	277	*
	278	************************************************************************
	279	*/
	280
	281	void board_init_r (gd_t *id, ulong dest_addr)
	282	{
c021880a	283	cmd_tbl_t *cmdtp;
6d0f6bcf	284	#ifndef CONFIG_SYS_NO_FLASH
c021880a	285	ulong size;
beeccf7a	286	#endif
c021880a	287	extern void malloc_bin_reloc (void);
93f6d725	288	#ifndef CONFIG_ENV_IS_NOWHERE
c021880a WD	289	extern char * env_name_spec;
c021880a WD	290	#endif
c06326c7	291	char *s;
c021880a	292	bd_t *bd;
c021880a WD	293
	294	gd = id;
	295	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
	296
69459791	297	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
c021880a	298
6d0f6bcf	299	gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
c021880a	300
3b57fe0a WD	301	monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
3b57fe0a WD	302
c021880a WD	303	/*
	304	* We have to relocate the command table manually
	305	*/
beeccf7a	306	for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
c021880a WD	307	ulong addr;
	308
	309	addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
	310	#if 0
	311	printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
	312	cmdtp->name, (ulong) (cmdtp->cmd), addr);
	313	#endif
	314	cmdtp->cmd =
	315	(int ()(struct cmd_tbl_s , int, int, char *[]))addr;
	316
	317	addr = (ulong)(cmdtp->name) + gd->reloc_off;
	318	cmdtp->name = (char *)addr;
	319
	320	if (cmdtp->usage) {
	321	addr = (ulong)(cmdtp->usage) + gd->reloc_off;
	322	cmdtp->usage = (char *)addr;
	323	}
6d0f6bcf	324	#ifdef CONFIG_SYS_LONGHELP
c021880a WD	325	if (cmdtp->help) {
	326	addr = (ulong)(cmdtp->help) + gd->reloc_off;
	327	cmdtp->help = (char *)addr;
	328	}
	329	#endif
	330	}
	331	/* there are some other pointer constants we must deal with */
93f6d725	332	#ifndef CONFIG_ENV_IS_NOWHERE
c021880a WD	333	env_name_spec += gd->reloc_off;
c021880a WD	334	#endif
8bde7f77	335
beeccf7a JCPV	336	bd = gd->bd;
beeccf7a JCPV	337
d4e8ada0	338	/* The Malloc area is immediately below the monitor copy in DRAM */
a483a167 PT	339	mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
a483a167 PT	340	TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
c790b04d SR	341	malloc_bin_reloc();
c790b04d SR	342
6d0f6bcf	343	#ifndef CONFIG_SYS_NO_FLASH
c021880a WD	344	/* configure available FLASH banks */
	345	size = flash_init();
	346	display_flash_config (size);
beeccf7a JCPV	347	bd->bi_flashsize = size;
beeccf7a JCPV	348	#endif
c021880a	349
6d0f6bcf JCPV	350	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
6d0f6bcf JCPV	351	#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
3b57fe0a	352	bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
c021880a WD	353	#else
	354	bd->bi_flashoffset = 0;
	355	#endif
	356
9d23fc58 SR	357	#ifdef CONFIG_CMD_NAND
	358	puts ("NAND: ");
	359	nand_init (); /* go init the NAND */
	360	#endif
	361
	362	#if defined(CONFIG_CMD_ONENAND)
	363	onenand_init();
	364	#endif
	365
c021880a WD	366	/* relocate environment function pointers etc. */
	367	env_relocate();
	368
c021880a WD	369	/* IP Address */
	370	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
	371
f4863a7a WD	372	#if defined(CONFIG_PCI)
	373	/*
	374	* Do pci configuration
	375	*/
	376	pci_init();
	377	#endif
	378
c021880a	379	/ leave this here (after malloc(), environment and PCI are working) /
52cb4d4f JCPV	380	/* Initialize stdio devices */
52cb4d4f JCPV	381	stdio_init ();
c021880a	382
27b207fd	383	jumptable_init ();
c021880a WD	384
	385	/* Initialize the console (after the relocation and devices init) */
	386	console_init_r ();
	387	/ /
	388
3e38691e WD	389	/* Initialize from environment */
	390	if ((s = getenv ("loadaddr")) != NULL) {
	391	load_addr = simple_strtoul (s, NULL, 16);
	392	}
7def6b34	393	#if defined(CONFIG_CMD_NET)
3e38691e WD	394	if ((s = getenv ("bootfile")) != NULL) {
	395	copy_filename (BootFile, s, sizeof (BootFile));
	396	}
b3aff0cb	397	#endif
3e38691e	398
89a1550e JM	399	#ifdef CONFIG_CMD_SPI
	400	puts ("SPI: ");
	401	spi_init (); /* go init the SPI */
	402	puts ("ready\n");
	403	#endif
	404
3e38691e WD	405	#if defined(CONFIG_MISC_INIT_R)
	406	/* miscellaneous platform dependent initialisations */
	407	misc_init_r ();
	408	#endif
	409
7def6b34	410	#if defined(CONFIG_CMD_NET)
63ff004c	411	#if defined(CONFIG_NET_MULTI)
c021880a	412	puts ("Net: ");
63ff004c	413	#endif
c021880a WD	414	eth_initialize(gd->bd);
	415	#endif
	416
	417	/* main_loop() can return to retry autoboot, if so just run it again. */
	418	for (;;) {
	419	main_loop ();
	420	}
	421
	422	/* NOTREACHED - no way out of command loop except booting */
	423	}
	424
	425	void hang (void)
	426	{
	427	puts ("### ERROR ### Please RESET the board ###\n");
	428	for (;;);
	429	}