示例#1
0
void board_init_r(gd_t *new_gd, ulong dest_addr)
{
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	int i;
#endif

#ifdef CONFIG_AVR32
	mmu_init_r(dest_addr);
#endif

#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
	gd = new_gd;
#endif

#ifdef CONFIG_NEEDS_MANUAL_RELOC
	for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
		init_sequence_r[i] += gd->reloc_off;
#endif

	if (initcall_run_list(init_sequence_r))
		hang();

	/* NOTREACHED - run_main_loop() does not return */
	hang();
}
示例#2
0
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;
	bd_t *bd;

	gd = new_gd;
	bd = gd->bd;

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

	/* Enable the MMU so that we can keep u-boot simple */
	mmu_init_r(dest_addr);

	board_early_init_r();

	monitor_flash_len = _edata - _text;

#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	/*
	 * We have to relocate the command table manually
	 */
	fixup_cmdtable(&__u_boot_cmd_start,
		(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */

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

	timer_init();

	/* The malloc area is right below the monitor image in RAM */
	mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
			CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN);
	malloc_bin_reloc();
	dma_alloc_init();

	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");

	stdio_init();
	jumptable_init();
	console_init_r();

	/* Initialize from environment */
	load_addr = getenv_ulong("loadaddr", 16, load_addr);

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

#ifdef CONFIG_GENERIC_ATMEL_MCI
	mmc_initialize(gd->bd);
#endif
	for (;;) {
		main_loop();
	}
}