[people/ms/u-boot.git] / lib_avr32 / board.c

/*
 * Copyright (C) 2004-2006 Atmel Corporation
 *
 * 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 <asm/initcalls.h>
#include <asm/sections.h>

#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
#endif

DECLARE_GLOBAL_DATA_PTR;

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

unsigned long monitor_flash_len;

/*
 * Begin and end of memory area for malloc(), and current "brk"
 */
static unsigned long mem_malloc_start = 0;
static unsigned long mem_malloc_end = 0;
static unsigned long mem_malloc_brk = 0;

/* The malloc area is right below the monitor image in RAM */
static void mem_malloc_init(void)
{
	unsigned long monitor_addr;

	monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
	mem_malloc_end = monitor_addr;
	mem_malloc_start = mem_malloc_end - CONFIG_SYS_MALLOC_LEN;
	mem_malloc_brk = mem_malloc_start;

	printf("malloc: Using memory from 0x%08lx to 0x%08lx\n",
	       mem_malloc_start, mem_malloc_end);

	memset ((void *)mem_malloc_start, 0,
		mem_malloc_end - mem_malloc_start);
}

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

	if ((new < mem_malloc_start) || (new > mem_malloc_end))
		return NULL;

	mem_malloc_brk = new;
	return ((void *)old);
}

#ifdef CONFIG_SYS_DMA_ALLOC_LEN
#include <asm/cacheflush.h>
#include <asm/io.h>

static unsigned long dma_alloc_start;
static unsigned long dma_alloc_end;
static unsigned long dma_alloc_brk;

static void dma_alloc_init(void)
{
	unsigned long monitor_addr;

	monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
	dma_alloc_end = monitor_addr - CONFIG_SYS_MALLOC_LEN;
	dma_alloc_start = dma_alloc_end - CONFIG_SYS_DMA_ALLOC_LEN;
	dma_alloc_brk = dma_alloc_start;

	printf("DMA: Using memory from 0x%08lx to 0x%08lx\n",
	       dma_alloc_start, dma_alloc_end);

	dcache_invalidate_range(cached(dma_alloc_start),
				dma_alloc_end - dma_alloc_start);
}

void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
	unsigned long paddr = dma_alloc_brk;

	if (dma_alloc_brk + len > dma_alloc_end)
		return NULL;

	dma_alloc_brk = ((paddr + len + CONFIG_SYS_DCACHE_LINESZ - 1)
			 & ~(CONFIG_SYS_DCACHE_LINESZ - 1));

	*handle = paddr;
	return uncached(paddr);
}
#else
static inline void dma_alloc_init(void)
{

}
#endif

static int init_baudrate(void)
{
	char tmp[64];
	int i;

	i = getenv_r("baudrate", tmp, sizeof(tmp));
	if (i > 0) {
		gd->baudrate = simple_strtoul(tmp, NULL, 10);
	} else {
		gd->baudrate = CONFIG_BAUDRATE;
	}
	return 0;
}


static int display_banner (void)
{
	printf ("\n\n%s\n\n", version_string);
	printf ("U-Boot code: %p -> %p  data: %p -> %p\n",
		_text, _etext, _data, _end);
	return 0;
}

void hang(void)
{
	for (;;) ;
}

static int display_dram_config (void)
{
	int i;

	puts ("DRAM Configuration:\n");

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
		printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
		print_size (gd->bd->bi_dram[i].size, "\n");
	}

	return 0;
}

static void display_flash_config (void)
{
	puts ("Flash: ");
	print_size(gd->bd->bi_flashsize, " ");
	printf("at address 0x%08lx\n", gd->bd->bi_flashstart);
}

void board_init_f(ulong board_type)
{
	gd_t gd_data;
	gd_t *new_gd;
	bd_t *bd;
	unsigned long *new_sp;
	unsigned long monitor_len;
	unsigned long monitor_addr;
	unsigned long addr;
	long sdram_size;

	/* Initialize the global data pointer */
	memset(&gd_data, 0, sizeof(gd_data));
	gd = &gd_data;

	/* Perform initialization sequence */
	board_early_init_f();
	cpu_init();
	env_init();
	init_baudrate();
	serial_init();
	console_init_f();
	display_banner();
	sdram_size = initdram(board_type);

	/* If we have no SDRAM, we can't go on */
	if (sdram_size <= 0)
		panic("No working SDRAM available\n");

	/*
	 * 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):
	 *  - u-boot image
	 *  - heap for malloc()
	 *  - board info struct
	 *  - global data struct
	 *  - stack
	 */
	addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
	monitor_len = _end - _text;

	/*
	 * Reserve memory for u-boot code, data and bss.
	 * Round down to next 4 kB limit.
	 */
	addr -= monitor_len;
	addr &= ~(4096UL - 1);
	monitor_addr = addr;

	/* Reserve memory for malloc() */
	addr -= CONFIG_SYS_MALLOC_LEN;

#ifdef CONFIG_SYS_DMA_ALLOC_LEN
	/* Reserve DMA memory (must be cache aligned) */
	addr &= ~(CONFIG_SYS_DCACHE_LINESZ - 1);
	addr -= CONFIG_SYS_DMA_ALLOC_LEN;
#endif

	/* Allocate a Board Info struct on a word boundary */
	addr -= sizeof(bd_t);
	addr &= ~3UL;
	gd->bd = bd = (bd_t *)addr;

	/* Allocate a new global data copy on a 8-byte boundary. */
	addr -= sizeof(gd_t);
	addr &= ~7UL;
	new_gd = (gd_t *)addr;

	/* And finally, a new, bigger stack. */
	new_sp = (unsigned long *)addr;
	gd->stack_end = addr;
	*(--new_sp) = 0;
	*(--new_sp) = 0;

	/*
	 * Initialize the board information struct with the
	 * information we have.
	 */
	bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
	bd->bi_dram[0].size = sdram_size;
	bd->bi_baudrate = gd->baudrate;

	memcpy(new_gd, gd, sizeof(gd_t));

	relocate_code((unsigned long)new_sp, new_gd, monitor_addr);
}

void board_init_r(gd_t *new_gd, ulong dest_addr)
{
	extern void malloc_bin_reloc (void);
#ifndef CONFIG_ENV_IS_NOWHERE
	extern char * env_name_spec;
#endif
	char *s;
	cmd_tbl_t *cmdtp;
	bd_t *bd;

	gd = new_gd;
	bd = gd->bd;

	gd->flags |= GD_FLG_RELOC;
	gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;

	monitor_flash_len = _edata - _text;

	/*
	 * We have to relocate the command table manually
	 */
	for (cmdtp = &__u_boot_cmd_start;
	     cmdtp !=  &__u_boot_cmd_end; cmdtp++) {
		unsigned long addr;

		addr = (unsigned long)cmdtp->cmd + gd->reloc_off;
		cmdtp->cmd = (typeof(cmdtp->cmd))addr;

		addr = (unsigned long)cmdtp->name + gd->reloc_off;
		cmdtp->name = (typeof(cmdtp->name))addr;

		if (cmdtp->usage) {
			addr = (unsigned long)cmdtp->usage + gd->reloc_off;
			cmdtp->usage = (typeof(cmdtp->usage))addr;
		}
#ifdef CONFIG_SYS_LONGHELP
		if (cmdtp->help) {
			addr = (unsigned long)cmdtp->help + gd->reloc_off;
			cmdtp->help = (typeof(cmdtp->help))addr;
		}
#endif
	}

	/* there are some other pointer constants we must deal with */
#ifndef CONFIG_ENV_IS_NOWHERE
	env_name_spec += gd->reloc_off;
#endif

	timer_init();
	mem_malloc_init();
	malloc_bin_reloc();
	dma_alloc_init();
	board_init_info();

	enable_interrupts();

	bd->bi_flashstart = 0;
	bd->bi_flashsize = 0;
	bd->bi_flashoffset = 0;

#ifndef CONFIG_SYS_NO_FLASH
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	bd->bi_flashsize = flash_init();
	bd->bi_flashoffset = (unsigned long)_edata - (unsigned long)_text;

	if (bd->bi_flashsize)
		display_flash_config();
#endif

	if (bd->bi_dram[0].size)
		display_dram_config();

	gd->bd->bi_boot_params = malloc(CONFIG_SYS_BOOTPARAMS_LEN);
	if (!gd->bd->bi_boot_params)
		puts("WARNING: Cannot allocate space for boot parameters\n");

	/* initialize environment */
	env_relocate();

	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");

	devices_init();
	jumptable_init();
	console_init_r();

	s = getenv("loadaddr");
	if (s)
		load_addr = simple_strtoul(s, NULL, 16);

#if defined(CONFIG_CMD_NET)
	s = getenv("bootfile");
	if (s)
		copy_filename(BootFile, s, sizeof(BootFile));
#if defined(CONFIG_NET_MULTI)
	puts("Net:   ");
#endif
	eth_initialize(gd->bd);
#endif

	for (;;) {
		main_loop();
	}
}
Commit	Line	Data
7b64fef3 WD	1	/*
	2	* Copyright (C) 2004-2006 Atmel Corporation
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation; either version 2 of
	10	* the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	20	* MA 02111-1307 USA
	21	*/
	22	#include <common.h>
	23	#include <command.h>
	24	#include <malloc.h>
	25	#include <devices.h>
	26	#include <version.h>
	27	#include <net.h>
	28
	29	#include <asm/initcalls.h>
	30	#include <asm/sections.h>
	31
	32	#ifndef CONFIG_IDENT_STRING
	33	#define CONFIG_IDENT_STRING ""
	34	#endif
	35
	36	DECLARE_GLOBAL_DATA_PTR;
	37
	38	const char version_string[] =
	39	U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ") " CONFIG_IDENT_STRING;
	40
	41	unsigned long monitor_flash_len;
	42
	43	/*
	44	* Begin and end of memory area for malloc(), and current "brk"
	45	*/
	46	static unsigned long mem_malloc_start = 0;
	47	static unsigned long mem_malloc_end = 0;
	48	static unsigned long mem_malloc_brk = 0;
	49
1f4f2121	50	/* The malloc area is right below the monitor image in RAM */
7b64fef3 WD	51	static void mem_malloc_init(void)
7b64fef3 WD	52	{
1f4f2121 HS	53	unsigned long monitor_addr;
1f4f2121 HS	54
6d0f6bcf	55	monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
1f4f2121	56	mem_malloc_end = monitor_addr;
6d0f6bcf	57	mem_malloc_start = mem_malloc_end - CONFIG_SYS_MALLOC_LEN;
7b64fef3 WD	58	mem_malloc_brk = mem_malloc_start;
	59
	60	printf("malloc: Using memory from 0x%08lx to 0x%08lx\n",
	61	mem_malloc_start, mem_malloc_end);
	62
	63	memset ((void *)mem_malloc_start, 0,
	64	mem_malloc_end - mem_malloc_start);
	65	}
	66
	67	void *sbrk(ptrdiff_t increment)
	68	{
	69	unsigned long old = mem_malloc_brk;
	70	unsigned long new = old + increment;
	71
	72	if ((new < mem_malloc_start) \|\| (new > mem_malloc_end))
	73	return NULL;
	74
	75	mem_malloc_brk = new;
	76	return ((void *)old);
	77	}
	78
6d0f6bcf	79	#ifdef CONFIG_SYS_DMA_ALLOC_LEN
d5acb95b HS	80	#include <asm/cacheflush.h>
	81	#include <asm/io.h>
	82
	83	static unsigned long dma_alloc_start;
	84	static unsigned long dma_alloc_end;
	85	static unsigned long dma_alloc_brk;
	86
	87	static void dma_alloc_init(void)
	88	{
	89	unsigned long monitor_addr;
	90
6d0f6bcf JCPV	91	monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
	92	dma_alloc_end = monitor_addr - CONFIG_SYS_MALLOC_LEN;
	93	dma_alloc_start = dma_alloc_end - CONFIG_SYS_DMA_ALLOC_LEN;
d5acb95b HS	94	dma_alloc_brk = dma_alloc_start;
	95
	96	printf("DMA: Using memory from 0x%08lx to 0x%08lx\n",
	97	dma_alloc_start, dma_alloc_end);
	98
	99	dcache_invalidate_range(cached(dma_alloc_start),
	100	dma_alloc_end - dma_alloc_start);
	101	}
	102
	103	void dma_alloc_coherent(size_t len, unsigned long handle)
	104	{
	105	unsigned long paddr = dma_alloc_brk;
	106
	107	if (dma_alloc_brk + len > dma_alloc_end)
	108	return NULL;
	109
6d0f6bcf JCPV	110	dma_alloc_brk = ((paddr + len + CONFIG_SYS_DCACHE_LINESZ - 1)
6d0f6bcf JCPV	111	& ~(CONFIG_SYS_DCACHE_LINESZ - 1));
d5acb95b HS	112
	113	*handle = paddr;
	114	return uncached(paddr);
	115	}
	116	#else
	117	static inline void dma_alloc_init(void)
	118	{
	119
	120	}
	121	#endif
	122
7b64fef3 WD	123	static int init_baudrate(void)
	124	{
	125	char tmp[64];
	126	int i;
	127
	128	i = getenv_r("baudrate", tmp, sizeof(tmp));
	129	if (i > 0) {
	130	gd->baudrate = simple_strtoul(tmp, NULL, 10);
	131	} else {
	132	gd->baudrate = CONFIG_BAUDRATE;
	133	}
	134	return 0;
	135	}
	136
	137
	138	static int display_banner (void)
	139	{
	140	printf ("\n\n%s\n\n", version_string);
	141	printf ("U-Boot code: %p -> %p data: %p -> %p\n",
	142	_text, _etext, _data, _end);
	143	return 0;
	144	}
	145
	146	void hang(void)
	147	{
	148	for (;;) ;
	149	}
	150
	151	static int display_dram_config (void)
	152	{
	153	int i;
	154
	155	puts ("DRAM Configuration:\n");
	156
	157	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
	158	printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
	159	print_size (gd->bd->bi_dram[i].size, "\n");
	160	}
	161
	162	return 0;
	163	}
	164
	165	static void display_flash_config (void)
	166	{
	167	puts ("Flash: ");
	168	print_size(gd->bd->bi_flashsize, " ");
	169	printf("at address 0x%08lx\n", gd->bd->bi_flashstart);
	170	}
	171
12f099c0	172	void board_init_f(ulong board_type)
7b64fef3 WD	173	{
7b64fef3 WD	174	gd_t gd_data;
1f4f2121 HS	175	gd_t *new_gd;
	176	bd_t *bd;
	177	unsigned long *new_sp;
	178	unsigned long monitor_len;
	179	unsigned long monitor_addr;
	180	unsigned long addr;
12f099c0	181	long sdram_size;
7b64fef3 WD	182
	183	/* Initialize the global data pointer */
	184	memset(&gd_data, 0, sizeof(gd_data));
	185	gd = &gd_data;
	186
7b64fef3	187	/* Perform initialization sequence */
df548d3c	188	board_early_init_f();
7b64fef3	189	cpu_init();
7b64fef3 WD	190	env_init();
	191	init_baudrate();
	192	serial_init();
	193	console_init_f();
	194	display_banner();
12f099c0	195	sdram_size = initdram(board_type);
7b64fef3	196
1f4f2121	197	/* If we have no SDRAM, we can't go on */
12f099c0	198	if (sdram_size <= 0)
1f4f2121 HS	199	panic("No working SDRAM available\n");
	200
	201	/*
	202	* Now that we have DRAM mapped and working, we can
	203	* relocate the code and continue running from DRAM.
	204	*
	205	* Reserve memory at end of RAM for (top down in that order):
	206	* - u-boot image
	207	* - heap for malloc()
	208	* - board info struct
	209	* - global data struct
	210	* - stack
	211	*/
6d0f6bcf	212	addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
1f4f2121 HS	213	monitor_len = _end - _text;
	214
	215	/*
	216	* Reserve memory for u-boot code, data and bss.
	217	* Round down to next 4 kB limit.
	218	*/
	219	addr -= monitor_len;
	220	addr &= ~(4096UL - 1);
	221	monitor_addr = addr;
	222
	223	/* Reserve memory for malloc() */
6d0f6bcf	224	addr -= CONFIG_SYS_MALLOC_LEN;
1f4f2121	225
6d0f6bcf	226	#ifdef CONFIG_SYS_DMA_ALLOC_LEN
d5acb95b	227	/* Reserve DMA memory (must be cache aligned) */
6d0f6bcf JCPV	228	addr &= ~(CONFIG_SYS_DCACHE_LINESZ - 1);
6d0f6bcf JCPV	229	addr -= CONFIG_SYS_DMA_ALLOC_LEN;
d5acb95b HS	230	#endif
d5acb95b HS	231
1f4f2121 HS	232	/* Allocate a Board Info struct on a word boundary */
	233	addr -= sizeof(bd_t);
	234	addr &= ~3UL;
	235	gd->bd = bd = (bd_t *)addr;
	236
	237	/* Allocate a new global data copy on a 8-byte boundary. */
	238	addr -= sizeof(gd_t);
	239	addr &= ~7UL;
	240	new_gd = (gd_t *)addr;
	241
	242	/* And finally, a new, bigger stack. */
	243	new_sp = (unsigned long *)addr;
	244	gd->stack_end = addr;
	245	*(--new_sp) = 0;
	246	*(--new_sp) = 0;
	247
	248	/*
	249	* Initialize the board information struct with the
	250	* information we have.
	251	*/
6d0f6bcf	252	bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
12f099c0	253	bd->bi_dram[0].size = sdram_size;
1f4f2121 HS	254	bd->bi_baudrate = gd->baudrate;
	255
	256	memcpy(new_gd, gd, sizeof(gd_t));
	257
	258	relocate_code((unsigned long)new_sp, new_gd, monitor_addr);
c841beed HS	259	}
	260
	261	void board_init_r(gd_t *new_gd, ulong dest_addr)
	262	{
1f4f2121	263	extern void malloc_bin_reloc (void);
93f6d725	264	#ifndef CONFIG_ENV_IS_NOWHERE
1f4f2121 HS	265	extern char * env_name_spec;
1f4f2121 HS	266	#endif
e006927a	267	char *s;
1f4f2121 HS	268	cmd_tbl_t *cmdtp;
	269	bd_t *bd;
	270
c841beed	271	gd = new_gd;
1f4f2121 HS	272	bd = gd->bd;
	273
	274	gd->flags \|= GD_FLG_RELOC;
6d0f6bcf	275	gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
c841beed HS	276
	277	monitor_flash_len = _edata - _text;
	278
1f4f2121 HS	279	/*
	280	* We have to relocate the command table manually
	281	*/
	282	for (cmdtp = &__u_boot_cmd_start;
	283	cmdtp != &__u_boot_cmd_end; cmdtp++) {
	284	unsigned long addr;
	285
	286	addr = (unsigned long)cmdtp->cmd + gd->reloc_off;
	287	cmdtp->cmd = (typeof(cmdtp->cmd))addr;
	288
	289	addr = (unsigned long)cmdtp->name + gd->reloc_off;
	290	cmdtp->name = (typeof(cmdtp->name))addr;
	291
	292	if (cmdtp->usage) {
	293	addr = (unsigned long)cmdtp->usage + gd->reloc_off;
	294	cmdtp->usage = (typeof(cmdtp->usage))addr;
	295	}
6d0f6bcf	296	#ifdef CONFIG_SYS_LONGHELP
1f4f2121 HS	297	if (cmdtp->help) {
	298	addr = (unsigned long)cmdtp->help + gd->reloc_off;
	299	cmdtp->help = (typeof(cmdtp->help))addr;
	300	}
	301	#endif
	302	}
	303
	304	/* there are some other pointer constants we must deal with */
93f6d725	305	#ifndef CONFIG_ENV_IS_NOWHERE
1f4f2121 HS	306	env_name_spec += gd->reloc_off;
1f4f2121 HS	307	#endif
7b64fef3	308
1f4f2121 HS	309	timer_init();
	310	mem_malloc_init();
	311	malloc_bin_reloc();
d5acb95b	312	dma_alloc_init();
7b64fef3	313	board_init_info();
7b624ad2	314
acac4752 HS	315	enable_interrupts();
acac4752 HS	316
7b624ad2 HS	317	bd->bi_flashstart = 0;
	318	bd->bi_flashsize = 0;
	319	bd->bi_flashoffset = 0;
	320
6d0f6bcf JCPV	321	#ifndef CONFIG_SYS_NO_FLASH
6d0f6bcf JCPV	322	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
7b624ad2 HS	323	bd->bi_flashsize = flash_init();
7b624ad2 HS	324	bd->bi_flashoffset = (unsigned long)_edata - (unsigned long)_text;
7b64fef3	325
1f4f2121	326	if (bd->bi_flashsize)
7b64fef3	327	display_flash_config();
7b624ad2 HS	328	#endif
7b624ad2 HS	329
1f4f2121	330	if (bd->bi_dram[0].size)
7b64fef3 WD	331	display_dram_config();
7b64fef3 WD	332
6d0f6bcf	333	gd->bd->bi_boot_params = malloc(CONFIG_SYS_BOOTPARAMS_LEN);
7b64fef3 WD	334	if (!gd->bd->bi_boot_params)
	335	puts("WARNING: Cannot allocate space for boot parameters\n");
	336
	337	/* initialize environment */
	338	env_relocate();
	339
e006927a HS	340	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
e006927a HS	341
7b64fef3 WD	342	devices_init();
	343	jumptable_init();
	344	console_init_r();
	345
e006927a HS	346	s = getenv("loadaddr");
	347	if (s)
	348	load_addr = simple_strtoul(s, NULL, 16);
	349
67350568	350	#if defined(CONFIG_CMD_NET)
e006927a HS	351	s = getenv("bootfile");
	352	if (s)
	353	copy_filename(BootFile, s, sizeof(BootFile));
9a24f477 HS	354	#if defined(CONFIG_NET_MULTI)
	355	puts("Net: ");
	356	#endif
	357	eth_initialize(gd->bd);
	358	#endif
	359
7b64fef3 WD	360	for (;;) {
	361	main_loop();
	362	}
	363	}