[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>

#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif

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

#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#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
310cecb8 LCM	36	#ifdef CONFIG_BITBANGMII
	37	#include <miiphy.h>
	38	#endif
	39
c75eba3b WD	40	DECLARE_GLOBAL_DATA_PTR;
c75eba3b WD	41
6d0f6bcf JCPV	42	#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) \|\| \
6d0f6bcf JCPV	43	(CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) \|\| \
9314cee6	44	defined(CONFIG_ENV_IS_IN_NVRAM)
6d0f6bcf	45	#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
c021880a	46	#else
6d0f6bcf	47	#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
c021880a WD	48	#endif
	49
	50	#undef DEBUG
	51
	52	extern int timer_init(void);
	53
7cb22f97 WD	54	extern int incaip_set_cpuclk(void);
7cb22f97 WD	55
3b57fe0a WD	56	extern ulong uboot_end_data;
	57	extern ulong uboot_end;
	58
	59	ulong monitor_flash_len;
	60
c021880a	61	const char version_string[] =
561858ee	62	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
c021880a WD	63
	64	static char failed = " failed *\n";
	65
5c15010e JCPV	66	/*
	67	* mips_io_port_base is the begin of the address space to which x86 style
	68	* I/O ports are mapped.
	69	*/
	70	unsigned long mips_io_port_base = -1;
c021880a	71
db08ecaa SR	72	int __board_early_init_f(void)
	73	{
	74	/*
	75	* Nothing to do in this dummy implementation
	76	*/
	77	return 0;
	78	}
	79	int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
	80
c021880a WD	81
	82	static int init_func_ram (void)
	83	{
c021880a WD	84	#ifdef CONFIG_BOARD_TYPES
	85	int board_type = gd->board_type;
	86	#else
	87	int board_type = 0; /* use dummy arg */
	88	#endif
	89	puts ("DRAM: ");
	90
	91	if ((gd->ram_size = initdram (board_type)) > 0) {
	92	print_size (gd->ram_size, "\n");
	93	return (0);
	94	}
	95	puts (failed);
	96	return (1);
	97	}
	98
	99	static int display_banner(void)
	100	{
	101
	102	printf ("\n\n%s\n\n", version_string);
	103	return (0);
	104	}
	105
6d0f6bcf	106	#ifndef CONFIG_SYS_NO_FLASH
c021880a WD	107	static void display_flash_config(ulong size)
	108	{
	109	puts ("Flash: ");
	110	print_size (size, "\n");
	111	}
beeccf7a	112	#endif
c021880a WD	113
	114	static int init_baudrate (void)
	115	{
f013dacf	116	char tmp[64]; /* long enough for environment variables */
c021880a WD	117	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
	118
	119	gd->baudrate = (i > 0)
	120	? (int) simple_strtoul (tmp, NULL, 10)
	121	: CONFIG_BAUDRATE;
	122
	123	return (0);
	124	}
	125
	126
	127	/*
	128	* Breath some life into the board...
	129	*
	130	* The first part of initialization is running from Flash memory;
	131	* its main purpose is to initialize the RAM so that we
	132	* can relocate the monitor code to RAM.
	133	*/
	134
	135	/*
	136	* All attempts to come up with a "common" initialization sequence
	137	* that works for all boards and architectures failed: some of the
	138	* requirements are just _too_ different. To get rid of the resulting
	139	* mess of board dependend #ifdef'ed code we now make the whole
	140	* initialization sequence configurable to the user.
	141	*
	142	* The requirements for any new initalization function is simple: it
	143	* receives a pointer to the "global data" structure as it's only
	144	* argument, and returns an integer return code, where 0 means
	145	* "continue" and != 0 means "fatal error, hang the system".
	146	*/
	147	typedef int (init_fnc_t) (void);
	148
	149	init_fnc_t *init_sequence[] = {
db08ecaa	150	board_early_init_f,
c021880a WD	151	timer_init,
c021880a WD	152	env_init, /* initialize environment */
7cb22f97 WD	153	#ifdef CONFIG_INCA_IP
	154	incaip_set_cpuclk, /* set cpu clock according to environment variable */
	155	#endif
c021880a WD	156	init_baudrate, /* initialze baudrate settings */
	157	serial_init, /* serial communications setup */
	158	console_init_f,
	159	display_banner, /* say that we are here */
85ec0bcc	160	checkboard,
c021880a WD	161	init_func_ram,
	162	NULL,
	163	};
	164
	165
	166	void board_init_f(ulong bootflag)
	167	{
c021880a WD	168	gd_t gd_data, *id;
	169	bd_t *bd;
	170	init_fnc_t **init_fnc_ptr;
6d0f6bcf	171	ulong addr, addr_sp, len = (ulong)&uboot_end - CONFIG_SYS_MONITOR_BASE;
c75eba3b	172	ulong *s;
3e38691e WD	173	#ifdef CONFIG_PURPLE
	174	void copy_code (ulong);
	175	#endif
c021880a	176
69459791 WD	177	/* Pointer is writable since we allocated a register for it.
69459791 WD	178	*/
c021880a	179	gd = &gd_data;
93f6a677 WD	180	/* compiler optimization barrier needed for GCC >= 3.4 */
	181	__asm__ __volatile__("": : :"memory");
	182
27b207fd	183	memset ((void *)gd, 0, sizeof (gd_t));
c021880a WD	184
	185	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
	186	if ((*init_fnc_ptr)() != 0) {
	187	hang ();
	188	}
	189	}
	190
	191	/*
	192	* Now that we have DRAM mapped and working, we can
	193	* relocate the code and continue running from DRAM.
	194	*/
6d0f6bcf	195	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
c021880a	196
69459791 WD	197	/* We can reserve some RAM "on top" here.
69459791 WD	198	*/
c021880a	199
69459791 WD	200	/* round down to next 4 kB limit.
69459791 WD	201	*/
c021880a	202	addr &= ~(4096 - 1);
69459791	203	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
8bde7f77	204
69459791 WD	205	/* Reserve memory for U-Boot code, data & bss
	206	* round down to next 16 kB limit
	207	*/
c021880a	208	addr -= len;
3b57fe0a	209	addr &= ~(16 * 1024 - 1);
c021880a	210
69459791	211	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
c021880a	212
69459791 WD	213	/* Reserve memory for malloc() arena.
69459791 WD	214	*/
c021880a	215	addr_sp = addr - TOTAL_MALLOC_LEN;
69459791	216	debug ("Reserving %dk for malloc() at: %08lx\n",
c021880a	217	TOTAL_MALLOC_LEN >> 10, addr_sp);
c021880a WD	218
	219	/*
	220	* (permanently) allocate a Board Info struct
	221	* and a permanent copy of the "global" data
	222	*/
	223	addr_sp -= sizeof(bd_t);
	224	bd = (bd_t *)addr_sp;
	225	gd->bd = bd;
b64f190b	226	debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
c021880a	227	sizeof(bd_t), addr_sp);
69459791	228
c021880a WD	229	addr_sp -= sizeof(gd_t);
c021880a WD	230	id = (gd_t *)addr_sp;
b64f190b	231	debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
c021880a	232	sizeof (gd_t), addr_sp);
c021880a	233
beeccf7a	234	/* Reserve memory for boot params.
69459791	235	*/
6d0f6bcf	236	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
c021880a	237	bd->bi_boot_params = addr_sp;
69459791	238	debug ("Reserving %dk for boot params() at: %08lx\n",
6d0f6bcf	239	CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
c021880a WD	240
	241	/*
	242	* Finally, we set up a new (bigger) stack.
	243	*
	244	* Leave some safety gap for SP, force alignment on 16 byte boundary
	245	* Clear initial stack frame
	246	*/
	247	addr_sp -= 16;
	248	addr_sp &= ~0xF;
c75eba3b WD	249	s = (ulong *)addr_sp;
	250	*s-- = 0;
	251	*s-- = 0;
	252	addr_sp = (ulong)s;
69459791 WD	253	debug ("Stack Pointer at: %08lx\n", addr_sp);
69459791 WD	254
c021880a WD	255	/*
	256	* Save local variables to board info struct
	257	*/
6d0f6bcf	258	bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
c021880a WD	259	bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
	260	bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
	261
27b207fd	262	memcpy (id, (void *)gd, sizeof (gd_t));
3e38691e WD	263
	264	/* On the purple board we copy the code in a special way
	265	* in order to solve flash problems
	266	*/
	267	#ifdef CONFIG_PURPLE
	268	copy_code(addr);
	269	#endif
	270
c021880a WD	271	relocate_code (addr_sp, id, addr);
	272
	273	/* NOTREACHED - relocate_code() does not return */
	274	}
	275	/************************************************************************
	276	*
	277	* This is the next part if the initialization sequence: we are now
	278	* running from RAM and have a "normal" C environment, i. e. global
	279	* data can be written, BSS has been cleared, the stack size in not
	280	* that critical any more, etc.
	281	*
	282	************************************************************************
	283	*/
	284
	285	void board_init_r (gd_t *id, ulong dest_addr)
	286	{
c021880a	287	cmd_tbl_t *cmdtp;
6d0f6bcf	288	#ifndef CONFIG_SYS_NO_FLASH
c021880a	289	ulong size;
beeccf7a	290	#endif
c021880a	291	extern void malloc_bin_reloc (void);
93f6d725	292	#ifndef CONFIG_ENV_IS_NOWHERE
c021880a WD	293	extern char * env_name_spec;
c021880a WD	294	#endif
c06326c7	295	char *s;
c021880a	296	bd_t *bd;
c021880a WD	297
	298	gd = id;
	299	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
	300
69459791	301	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
c021880a	302
6d0f6bcf	303	gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
c021880a	304
3b57fe0a WD	305	monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
3b57fe0a WD	306
c021880a WD	307	/*
	308	* We have to relocate the command table manually
	309	*/
beeccf7a	310	for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
c021880a WD	311	ulong addr;
	312
	313	addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
	314	#if 0
	315	printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
	316	cmdtp->name, (ulong) (cmdtp->cmd), addr);
	317	#endif
	318	cmdtp->cmd =
	319	(int ()(struct cmd_tbl_s , int, int, char *[]))addr;
	320
	321	addr = (ulong)(cmdtp->name) + gd->reloc_off;
	322	cmdtp->name = (char *)addr;
	323
	324	if (cmdtp->usage) {
	325	addr = (ulong)(cmdtp->usage) + gd->reloc_off;
	326	cmdtp->usage = (char *)addr;
	327	}
6d0f6bcf	328	#ifdef CONFIG_SYS_LONGHELP
c021880a WD	329	if (cmdtp->help) {
	330	addr = (ulong)(cmdtp->help) + gd->reloc_off;
	331	cmdtp->help = (char *)addr;
	332	}
	333	#endif
	334	}
	335	/* there are some other pointer constants we must deal with */
93f6d725	336	#ifndef CONFIG_ENV_IS_NOWHERE
c021880a WD	337	env_name_spec += gd->reloc_off;
c021880a WD	338	#endif
8bde7f77	339
beeccf7a JCPV	340	bd = gd->bd;
beeccf7a JCPV	341
d4e8ada0	342	/* The Malloc area is immediately below the monitor copy in DRAM */
a483a167 PT	343	mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
a483a167 PT	344	TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
c790b04d SR	345	malloc_bin_reloc();
c790b04d SR	346
6d0f6bcf	347	#ifndef CONFIG_SYS_NO_FLASH
c021880a WD	348	/* configure available FLASH banks */
	349	size = flash_init();
	350	display_flash_config (size);
beeccf7a JCPV	351	bd->bi_flashsize = size;
beeccf7a JCPV	352	#endif
c021880a	353
6d0f6bcf JCPV	354	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
6d0f6bcf JCPV	355	#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
3b57fe0a	356	bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
c021880a WD	357	#else
	358	bd->bi_flashoffset = 0;
	359	#endif
	360
9d23fc58 SR	361	#ifdef CONFIG_CMD_NAND
	362	puts ("NAND: ");
	363	nand_init (); /* go init the NAND */
	364	#endif
	365
	366	#if defined(CONFIG_CMD_ONENAND)
	367	onenand_init();
	368	#endif
	369
c021880a WD	370	/* relocate environment function pointers etc. */
	371	env_relocate();
	372
c021880a WD	373	/* IP Address */
	374	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
	375
f4863a7a WD	376	#if defined(CONFIG_PCI)
	377	/*
	378	* Do pci configuration
	379	*/
	380	pci_init();
	381	#endif
	382
c021880a	383	/ leave this here (after malloc(), environment and PCI are working) /
52cb4d4f JCPV	384	/* Initialize stdio devices */
52cb4d4f JCPV	385	stdio_init ();
c021880a	386
27b207fd	387	jumptable_init ();
c021880a WD	388
	389	/* Initialize the console (after the relocation and devices init) */
	390	console_init_r ();
	391	/ /
	392
3e38691e WD	393	/* Initialize from environment */
	394	if ((s = getenv ("loadaddr")) != NULL) {
	395	load_addr = simple_strtoul (s, NULL, 16);
	396	}
7def6b34	397	#if defined(CONFIG_CMD_NET)
3e38691e WD	398	if ((s = getenv ("bootfile")) != NULL) {
	399	copy_filename (BootFile, s, sizeof (BootFile));
	400	}
b3aff0cb	401	#endif
3e38691e	402
89a1550e JM	403	#ifdef CONFIG_CMD_SPI
	404	puts ("SPI: ");
	405	spi_init (); /* go init the SPI */
	406	puts ("ready\n");
	407	#endif
	408
3e38691e WD	409	#if defined(CONFIG_MISC_INIT_R)
	410	/* miscellaneous platform dependent initialisations */
	411	misc_init_r ();
	412	#endif
	413
310cecb8 LCM	414	#ifdef CONFIG_BITBANGMII
	415	bb_miiphy_init();
	416	#endif
7def6b34	417	#if defined(CONFIG_CMD_NET)
63ff004c	418	#if defined(CONFIG_NET_MULTI)
c021880a	419	puts ("Net: ");
63ff004c	420	#endif
c021880a WD	421	eth_initialize(gd->bd);
	422	#endif
	423
	424	/* main_loop() can return to retry autoboot, if so just run it again. */
	425	for (;;) {
	426	main_loop ();
	427	}
	428
	429	/* NOTREACHED - no way out of command loop except booting */
	430	}
	431
	432	void hang (void)
	433	{
	434	puts ("### ERROR ### Please RESET the board ###\n");
	435	for (;;);
	436	}