Example #1
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	memset((void *)&images, 0, sizeof(images));
	images.verify = getenv_yesno("verify");

	boot_start_lmb(&images);

	bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
	images.state = BOOTM_STATE_START;

	return 0;
}
Example #2
0
static void fixup_silent_linux(void)
{
	char *buf;
	const char *env_val;
	char *cmdline = getenv("bootargs");
	int want_silent;

	/*
	 * Only fix cmdline when requested. The environment variable can be:
	 *
	 *	no - we never fixup
	 *	yes - we always fixup
	 *	unset - we rely on the console silent flag
	 */
	want_silent = getenv_yesno("silent_linux");
	if (want_silent == 0)
		return;
	else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
		return;

	debug("before silent fix-up: %s\n", cmdline);
	if (cmdline && (cmdline[0] != '\0')) {
		char *start = strstr(cmdline, CONSOLE_ARG);

		/* Allocate space for maximum possible new command line */
		buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
		if (!buf) {
			debug("%s: out of memory\n", __func__);
			return;
		}

		if (start) {
			char *end = strchr(start, ' ');
			int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;

			strncpy(buf, cmdline, num_start_bytes);
			if (end)
				strcpy(buf + num_start_bytes, end);
			else
				buf[num_start_bytes] = '\0';
		} else {
			sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
		}
		env_val = buf;
	} else {
		buf = NULL;
		env_val = CONSOLE_ARG;
	}

	setenv("bootargs", env_val);
	debug("after silent fix-up: %s\n", env_val);
	free(buf);
}
Example #3
0
/*
 * Determine if U-Boot should keep secondary cores in reset, or let them out
 * of reset and hold them in a spinloop
 */
int hold_cores_in_reset(int verbose)
{
	/* Default to no, overriden by 'y', 'yes', 'Y', 'Yes', or '1' */
	if (getenv_yesno("mp_holdoff") == 1) {
		if (verbose) {
			puts("Secondary cores are being held in reset.\n");
			puts("See 'mp_holdoff' environment variable\n");
		}

		return 1;
	}

	return 0;
}
Example #4
0
/* return 1 if we wish to boot to uboot vs os (falcon mode) */
int spl_start_uboot(void)
{
	int ret = 1;

	debug("%s\n", __func__);
#ifdef CONFIG_SPL_ENV_SUPPORT
	env_init();
	env_relocate_spec();
	debug("boot_os=%s\n", getenv("boot_os"));
	if (getenv_yesno("boot_os") == 1)
		ret = 0;
#endif
	debug("%s booting %s\n", __func__, ret ? "uboot" : "linux");
	return ret;
}
Example #5
0
int spl_start_uboot(void)
{
	/* break into full u-boot on 'c' */
	if (serial_tstc() && serial_getc() == 'c')
		return 1;

#ifdef CONFIG_SPL_ENV_SUPPORT
	env_init();
	env_relocate_spec();
	if (getenv_yesno("boot_os") != 1)
		return 1;
#endif

	return 0;
}
Example #6
0
static int initr_flash(void)
{
	ulong flash_size = 0;
	bd_t *bd = gd->bd;

	puts("Flash: ");

	if (board_flash_wp_on())
		printf("Uninitialized - Write Protect On\n");
	else
		flash_size = flash_init();

	print_size(flash_size, "");
#ifdef CONFIG_SYS_FLASH_CHECKSUM
	/*
	* Compute and print flash CRC if flashchecksum is set to 'y'
	*
	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
	*/
	if (getenv_yesno("flashchecksum") == 1) {
		printf("  CRC: %08X", crc32(0,
			(const unsigned char *) CONFIG_SYS_FLASH_BASE,
			flash_size));
	}
#endif /* CONFIG_SYS_FLASH_CHECKSUM */
	putc('\n');

	/* update start of FLASH memory    */
#ifdef CONFIG_SYS_FLASH_BASE
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
	/* size of FLASH memory (final value) */
	bd->bi_flashsize = flash_size;

#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
	/* Make a update of the Memctrl. */
	update_flash_size(flash_size);
#endif


#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
	/* flash mapped at end of memory map */
	bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
#endif
	return 0;
}
Example #7
0
/*
 * Check if autoload is enabled. If so, use either NFS or TFTP to download
 * the boot file.
 */
void net_auto_load(void)
{
#if defined(CONFIG_CMD_NFS)
	const char *s = getenv("autoload");

	if (s != NULL && strcmp(s, "NFS") == 0) {
		/*
		 * Use NFS to load the bootfile.
		 */
		nfs_start();
		return;
	}
#endif
	if (getenv_yesno("autoload") == 0) {
		/*
		 * Just use BOOTP/RARP to configure system;
		 * Do not use TFTP to load the bootfile.
		 */
		net_set_state(NETLOOP_SUCCESS);
		return;
	}
	tftp_start(TFTPGET);
}
Example #8
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	ulong		mem_start;
	phys_size_t	mem_size;
	void		*os_hdr;
	int		ret;

	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");

	lmb_init(&images.lmb);

	mem_start = getenv_bootm_low();
	mem_size = getenv_bootm_size();

	lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);

	arch_lmb_reserve(&images.lmb);
	board_lmb_reserve(&images.lmb);

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type (os_hdr);
		images.os.comp = image_get_comp (os_hdr);
		images.os.os = image_get_os (os_hdr);

		images.os.end = image_get_image_end (os_hdr);
		images.os.load = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		images.os.end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep (&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry (images.fit_hdr_os,
				images.fit_noffset_os, &images.ep);
		if (ret) {
			puts ("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts ("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.os == IH_OS_LINUX) {
		/* find ramdisk */
		ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
				&images.rd_start, &images.rd_end);
		if (ret) {
			puts ("Ramdisk image is corrupt or invalid\n");
			return 1;
		}

#if defined(CONFIG_OF_LIBFDT)
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
		/* find flattened device tree */
		ret = boot_get_fdt (flag, argc, argv, &images,
				    &images.ft_addr, &images.ft_len);
		if (ret) {
			puts ("Could not find a valid device tree\n");
			return 1;
		}

		set_working_fdt_addr(images.ft_addr);
#endif
#endif
	}

	images.os.start = (ulong)os_hdr;
	images.state = BOOTM_STATE_START;

	return 0;
}
Example #9
0
void board_init_r(gd_t *id, ulong dest_addr)
{
	ulong malloc_start;
#if !defined(CONFIG_SYS_NO_FLASH)
	ulong flash_size;
#endif

	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");

	monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start;

	/* Enable caches */
	enable_caches();

	debug("monitor flash len: %08lX\n", monitor_flash_len);
	board_init();	/* Setup chipselects */
	/*
	 * TODO: printing of the clock inforamtion of the board is now
	 * implemented as part of bdinfo command. Currently only support for
	 * davinci SOC's is added. Remove this check once all the board
	 * implement this.
	 */
#ifdef CONFIG_CLOCKS
	set_cpu_clk_info(); /* Setup clock information */
#endif
	serial_initialize();

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

#ifdef CONFIG_LOGBUFFER
	logbuff_init_ptrs();
#endif
#ifdef CONFIG_POST
	post_output_backlog();
#endif

	/* The Malloc area is immediately below the monitor copy in DRAM */
	malloc_start = dest_addr - TOTAL_MALLOC_LEN;
	mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);

#ifdef CONFIG_ARCH_EARLY_INIT_R
	arch_early_init_r();
#endif
	power_init_board();

#if !defined(CONFIG_SYS_NO_FLASH)
	puts("Flash: ");

	flash_size = flash_init();
	if (flash_size > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
		print_size(flash_size, "");
		/*
		 * Compute and print flash CRC if flashchecksum is set to 'y'
		 *
		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
		 */
		if (getenv_yesno("flashchecksum") == 1) {
			printf("  CRC: %08X", crc32(0,
				(const unsigned char *) CONFIG_SYS_FLASH_BASE,
				flash_size));
		}
		putc('\n');
# else	/* !CONFIG_SYS_FLASH_CHECKSUM */
		print_size(flash_size, "\n");
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
	} else {
		puts(failed);
		hang();
	}
#endif

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

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

#ifdef CONFIG_GENERIC_MMC
	puts("MMC:   ");
	mmc_initialize(gd->bd);
#endif

#ifdef CONFIG_CMD_SCSI
	puts("SCSI:  ");
	scsi_init();
#endif

#ifdef CONFIG_HAS_DATAFLASH
	AT91F_DataflashInit();
	dataflash_print_info();
#endif

	/* initialize environment */
	if (should_load_env())
		env_relocate();
	else
		set_default_env(NULL);

#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
	arm_pci_init();
#endif

	stdio_init();	/* get the devices list going. */

	jumptable_init();

#if defined(CONFIG_API)
	/* Initialize API */
	api_init();
#endif

	console_init_r();	/* fully init console as a device */

#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
# ifdef CONFIG_OF_CONTROL
	/* Put this here so it appears on the LCD, now it is ready */
	display_fdt_model(gd->fdt_blob);
# else
	checkboard();
# endif
#endif

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

	 /* set up exceptions */
	interrupt_init();
	/* enable exceptions */
	enable_interrupts();

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

#ifdef CONFIG_BOARD_LATE_INIT
	board_late_init();
#endif

#ifdef CONFIG_FASTBOOT
	fastboot_setup();
#endif

#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
	puts("Net:   ");
	eth_initialize(gd->bd);
#if defined(CONFIG_RESET_PHY_R)
	debug("Reset Ethernet PHY\n");
	reset_phy();
#endif
#endif

#ifdef CONFIG_POST
	post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif

#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
	/*
	 * Export available size of memory for Linux,
	 * taking into account the protected RAM at top of memory
	 */
	{
		ulong pram = 0;
		uchar memsz[32];

#ifdef CONFIG_PRAM
		pram = getenv_ulong("pram", 10, CONFIG_PRAM);
#endif
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
		/* Also take the logbuffer into account (pram is in kB) */
		pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
#endif
#endif
		sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram);
		setenv("mem", (char *)memsz);
	}
#endif

#ifdef CONFIG_FASTBOOT
	check_fastboot();
#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 */
}
Example #10
0
int
source (ulong addr, const char *fit_uname)
{
    ulong		len;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
    const image_header_t *hdr;
#endif
    ulong		*data;
    int		verify;
    void *buf;
#if defined(CONFIG_FIT)
    const void*	fit_hdr;
    int		noffset;
    const void	*fit_data;
    size_t		fit_len;
#endif

    verify = getenv_yesno ("verify");

    buf = map_sysmem(addr, 0);
    switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
    case IMAGE_FORMAT_LEGACY:
        hdr = buf;

        if (!image_check_magic (hdr)) {
            puts ("Bad magic number\n");
            return 1;
        }

        if (!image_check_hcrc (hdr)) {
            puts ("Bad header crc\n");
            return 1;
        }

        if (verify) {
            if (!image_check_dcrc (hdr)) {
                puts ("Bad data crc\n");
                return 1;
            }
        }

        if (!image_check_type (hdr, IH_TYPE_SCRIPT)) {
            puts ("Bad image type\n");
            return 1;
        }

        /* get length of script */
        data = (ulong *)image_get_data (hdr);

        if ((len = uimage_to_cpu (*data)) == 0) {
            puts ("Empty Script\n");
            return 1;
        }

        /*
         * scripts are just multi-image files with one component, seek
         * past the zero-terminated sequence of image lengths to get
         * to the actual image data
         */
        while (*data++);
        break;
#endif
#if defined(CONFIG_FIT)
    case IMAGE_FORMAT_FIT:
        if (fit_uname == NULL) {
            puts ("No FIT subimage unit name\n");
            return 1;
        }

        fit_hdr = buf;
        if (!fit_check_format (fit_hdr)) {
            puts ("Bad FIT image format\n");
            return 1;
        }

        /* get script component image node offset */
        noffset = fit_image_get_node (fit_hdr, fit_uname);
        if (noffset < 0) {
            printf ("Can't find '%s' FIT subimage\n", fit_uname);
            return 1;
        }

        if (!fit_image_check_type (fit_hdr, noffset, IH_TYPE_SCRIPT)) {
            puts ("Not a image image\n");
            return 1;
        }

        /* verify integrity */
        if (verify) {
            if (!fit_image_verify(fit_hdr, noffset)) {
                puts ("Bad Data Hash\n");
                return 1;
            }
        }

        /* get script subimage data address and length */
        if (fit_image_get_data (fit_hdr, noffset, &fit_data, &fit_len)) {
            puts ("Could not find script subimage data\n");
            return 1;
        }

        data = (ulong *)fit_data;
        len = (ulong)fit_len;
        break;
#endif
    default:
        puts ("Wrong image format for \"source\" command\n");
        return 1;
    }

    debug ("** Script length: %ld\n", len);
    return run_command_list((char *)data, len, 0);
}
Example #11
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	const void *os_hdr;
	int ret;

	memset((void *)&images, 0, sizeof(images));
	images.verify = getenv_yesno("verify");

	boot_start_lmb(&images);

	bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format(os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type(os_hdr);
		images.os.comp = image_get_comp(os_hdr);
		images.os.os = image_get_os(os_hdr);

		images.os.end = image_get_image_end(os_hdr);
		images.os.load = image_get_load(os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts("Can't get image type!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
			return 1;
		}

		if (fit_image_get_comp(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts("Can't get image compression!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
			return 1;
		}

		if (fit_image_get_os(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts("Can't get image OS!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_OS);
			return 1;
		}

		images.os.end = fit_get_end(images.fit_hdr_os);

		if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts("Can't get image load address!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
			return 1;
		}
		break;
#endif
	default:
		puts("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry(images.fit_hdr_os,
					  images.fit_noffset_os, &images.ep);
		if (ret) {
			puts("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
		images.os.load = images.os.image_start;
		images.ep += images.os.load;
	}

	if (((images.os.type == IH_TYPE_KERNEL) ||
	     (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
	     (images.os.type == IH_TYPE_MULTI)) &&
	    (images.os.os == IH_OS_LINUX)) {
		/* find ramdisk */
		ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
				&images.rd_start, &images.rd_end);
		if (ret) {
			puts("Ramdisk image is corrupt or invalid\n");
			return 1;
		}

#if defined(CONFIG_OF_LIBFDT)
		/* find flattened device tree */
		ret = boot_get_fdt(flag, argc, argv, &images,
				   &images.ft_addr, &images.ft_len);
		if (ret) {
			puts("Could not find a valid device tree\n");
			return 1;
		}

		set_working_fdt_addr(images.ft_addr);
#endif
	}

	images.os.start = (ulong)os_hdr;
	images.state = BOOTM_STATE_START;

	return 0;
}
Example #12
0
/*
 * 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)
{
	bd_t *bd;
	ulong malloc_start;

#ifndef CONFIG_SYS_NO_FLASH
	ulong flash_size;
#endif

	gd = id;		/* initialize RAM version of global data */
	bd = gd->bd;

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

	/* The Malloc area is immediately below the monitor copy in DRAM */
	malloc_start = dest_addr - TOTAL_MALLOC_LEN;

#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
	/*
	 * The gd->arch.cpu pointer is set to an address in flash before
	 * relocation.  We need to update it to point to the same CPU entry
	 * in RAM.
	 */
	gd->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;

	/*
	 * If we didn't know the cpu mask & # cores, we can save them of
	 * now rather than 'computing' them constantly
	 */
	fixup_cpu();
#endif

#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
	/*
	 * Some systems need to relocate the env_addr pointer early because the
	 * location it points to will get invalidated before env_relocate is
	 * called.  One example is on systems that might use a L2 or L3 cache
	 * in SRAM mode and initialize that cache from SRAM mode back to being
	 * a cache in cpu_init_r.
	 */
	gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE;
#endif

	serial_initialize();

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

	WATCHDOG_RESET();

	/*
	 * Setup trap handlers
	 */
	trap_init(dest_addr);

#ifdef CONFIG_ADDR_MAP
	init_addr_map();
#endif

#if defined(CONFIG_BOARD_EARLY_INIT_R)
	board_early_init_r();
#endif

	monitor_flash_len = (ulong)&__init_end - dest_addr;

	WATCHDOG_RESET();

#ifdef CONFIG_LOGBUFFER
	logbuff_init_ptrs();
#endif
#ifdef CONFIG_POST
	post_output_backlog();
#endif

	WATCHDOG_RESET();

#if defined(CONFIG_SYS_DELAYED_ICACHE)
	icache_enable();	/* it's time to enable the instruction cache */
#endif

#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
	unlock_ram_in_cache();	/* it's time to unlock D-cache in e500 */
#endif

#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
	/*
	 * Do early PCI configuration _before_ the flash gets initialised,
	 * because PCU ressources are crucial for flash access on some boards.
	 */
	pci_init();
#endif
#if defined(CONFIG_WINBOND_83C553)
	/*
	 * Initialise the ISA bridge
	 */
	initialise_w83c553f();
#endif

	asm("sync ; isync");

	mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);

#if !defined(CONFIG_SYS_NO_FLASH)
	puts("Flash: ");

	if (board_flash_wp_on()) {
		printf("Uninitialized - Write Protect On\n");
		/* Since WP is on, we can't find real size.  Set to 0 */
		flash_size = 0;
	} else if ((flash_size = flash_init()) > 0) {
#ifdef CONFIG_SYS_FLASH_CHECKSUM
		print_size(flash_size, "");
		/*
		 * Compute and print flash CRC if flashchecksum is set to 'y'
		 *
		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
		 */
		if (getenv_yesno("flashchecksum") == 1) {
			printf("  CRC: %08X",
			       crc32(0,
				     (const unsigned char *)
				     CONFIG_SYS_FLASH_BASE, flash_size)
				);
		}
		putc('\n');
#else  /* !CONFIG_SYS_FLASH_CHECKSUM */
		print_size(flash_size, "\n");
#endif /* CONFIG_SYS_FLASH_CHECKSUM */
	} else {
		puts(failed);
		hang();
	}

	/* update start of FLASH memory    */
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	/* size of FLASH memory (final value) */
	bd->bi_flashsize = flash_size;

#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
	/* Make a update of the Memctrl. */
	update_flash_size(flash_size);
#endif


#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
	/* flash mapped at end of memory map */
	bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
#endif
#endif /* !CONFIG_SYS_NO_FLASH */

	WATCHDOG_RESET();

	/* initialize higher level parts of CPU like time base and timers */
	cpu_init_r();

	WATCHDOG_RESET();

#ifdef CONFIG_SPI
#if !defined(CONFIG_ENV_IS_IN_EEPROM)
	spi_init_f();
#endif
	spi_init_r();
#endif

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

#ifdef CONFIG_GENERIC_MMC
/*
 * MMC initialization is called before relocating env.
 * Thus It is required that operations like pin multiplexer
 * be put in board_init.
 */
	WATCHDOG_RESET();
	puts("MMC:  ");
	mmc_initialize(bd);
#endif

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

	/*
	 * after non-volatile devices & environment is setup and cpu code have
	 * another round to deal with any initialization that might require
	 * full access to the environment or loading of some image (firmware)
	 * from a non-volatile device
	 */
	cpu_secondary_init_r();

	/*
	 * Fill in missing fields of bd_info.
	 * We do this here, where we have "normal" access to the
	 * environment; we used to do this still running from ROM,
	 * where had to use getenv_f(), which can be pretty slow when
	 * the environment is in EEPROM.
	 */

#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
	/*
	 * set bi_iic_fast for linux taking environment variable
	 * "i2cfast" into account
	 */
	{
		if (getenv_yesno("i2cfast") == 1) {
			bd->bi_iic_fast[0] = 1;
			bd->bi_iic_fast[1] = 1;
		}
	}
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */

#if defined(CONFIG_SC3)
	sc3_read_eeprom();
#endif

#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
	mac_read_from_eeprom();
#endif

#ifdef CONFIG_CMD_NET
	/* kept around for legacy kernels only ... ignore the next section */
	eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
#ifdef CONFIG_HAS_ETH1
	eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
#endif
#ifdef CONFIG_HAS_ETH2
	eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
#endif
#ifdef CONFIG_HAS_ETH3
	eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
#endif
#ifdef CONFIG_HAS_ETH4
	eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
#endif
#ifdef CONFIG_HAS_ETH5
	eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
#endif
#endif /* CONFIG_CMD_NET */

	WATCHDOG_RESET();

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

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

	/* Initialize the jump table for applications */
	jumptable_init();

#if defined(CONFIG_API)
	/* Initialize API */
	api_init();
#endif

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

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

#if defined(CONFIG_CMD_KGDB)
	WATCHDOG_RESET();
	puts("KGDB:  ");
	kgdb_init();
#endif

	debug("U-Boot relocated to %08lx\n", dest_addr);

	/*
	 * Enable Interrupts
	 */
	interrupt_init();

#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif

	udelay(20);

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

	WATCHDOG_RESET();

#if defined(CONFIG_CMD_SCSI)
	WATCHDOG_RESET();
	puts("SCSI:  ");
	scsi_init();
#endif

#if defined(CONFIG_CMD_DOC)
	WATCHDOG_RESET();
	puts("DOC:   ");
	doc_init();
#endif

#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
	WATCHDOG_RESET();
	puts("Net:   ");
	eth_initialize(bd);
#endif

#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
	WATCHDOG_RESET();
	debug("Reset Ethernet PHY\n");
	reset_phy();
#endif

#ifdef CONFIG_POST
	post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif

#if defined(CONFIG_CMD_PCMCIA) \
    && !defined(CONFIG_CMD_IDE)
	WATCHDOG_RESET();
	puts("PCMCIA:");
	pcmcia_init();
#endif

#if defined(CONFIG_CMD_IDE)
	WATCHDOG_RESET();
#ifdef	CONFIG_IDE_8xx_PCCARD
	puts("PCMCIA:");
#else
	puts("IDE:   ");
#endif
#if defined(CONFIG_START_IDE)
	if (board_start_ide())
		ide_init();
#else
	ide_init();
#endif
#endif

#ifdef CONFIG_LAST_STAGE_INIT
	WATCHDOG_RESET();
	/*
	 * Some parts can be only initialized if all others (like
	 * Interrupts) are up and running (i.e. the PC-style ISA
	 * keyboard).
	 */
	last_stage_init();
#endif

#if defined(CONFIG_CMD_BEDBUG)
	WATCHDOG_RESET();
	bedbug_init();
#endif

#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
	/*
	 * Export available size of memory for Linux,
	 * taking into account the protected RAM at top of memory
	 */
	{
		ulong pram = 0;
		char memsz[32];

#ifdef CONFIG_PRAM
		pram = getenv_ulong("pram", 10, CONFIG_PRAM);
#endif
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
		/* Also take the logbuffer into account (pram is in kB) */
		pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
#endif
#endif
		sprintf(memsz, "%ldk", (ulong) (bd->bi_memsize / 1024) - pram);
		setenv("mem", memsz);
	}
#endif

#ifdef CONFIG_PS2KBD
	puts("PS/2:  ");
	kbd_init();
#endif

	/* Initialization complete - start the monitor */

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

	/* NOTREACHED - no way out of command loop except booting */
}
Example #13
0
static int
do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
	ulong		addr = load_addr;
	ulong		dest = 0;
	ulong		data, len;
	int		verify;
	int		part = 0;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	ulong		count;
	image_header_t	*hdr = NULL;
#endif
#if defined(CONFIG_FIT)
	const char	*uname = NULL;
	const void*	fit_hdr;
	int		noffset;
	const void	*fit_data;
	size_t		fit_len;
#endif
#ifdef CONFIG_GZIP
	uint		unc_len = CONFIG_SYS_XIMG_LEN;
#endif
	uint8_t		comp;

	verify = getenv_yesno("verify");

	if (argc > 1) {
		addr = simple_strtoul(argv[1], NULL, 16);
	}
	if (argc > 2) {
		part = simple_strtoul(argv[2], NULL, 16);
#if defined(CONFIG_FIT)
		uname = argv[2];
#endif
	}
	if (argc > 3) {
		dest = simple_strtoul(argv[3], NULL, 16);
	}

	switch (genimg_get_format((void *)addr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	case IMAGE_FORMAT_LEGACY:

		printf("## Copying part %d from legacy image "
			"at %08lx ...\n", part, addr);

		hdr = (image_header_t *)addr;
		if (!image_check_magic(hdr)) {
			printf("Bad Magic Number\n");
			return 1;
		}

		if (!image_check_hcrc(hdr)) {
			printf("Bad Header Checksum\n");
			return 1;
		}
#ifdef DEBUG
		image_print_contents(hdr);
#endif

		if (!image_check_type(hdr, IH_TYPE_MULTI)) {
			printf("Wrong Image Type for %s command\n",
					cmdtp->name);
			return 1;
		}

		comp = image_get_comp(hdr);
		if ((comp != IH_COMP_NONE) && (argc < 4)) {
			printf("Must specify load address for %s command "
					"with compressed image\n",
					cmdtp->name);
			return 1;
		}

		if (verify) {
			printf("   Verifying Checksum ... ");
			if (!image_check_dcrc(hdr)) {
				printf("Bad Data CRC\n");
				return 1;
			}
			printf("OK\n");
		}

		count = image_multi_count(hdr);
		if (part >= count) {
			printf("Bad Image Part\n");
			return 1;
		}

		image_multi_getimg(hdr, part, &data, &len);
		break;
#endif
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (uname == NULL) {
			puts("No FIT subimage unit name\n");
			return 1;
		}

		printf("## Copying '%s' subimage from FIT image "
			"at %08lx ...\n", uname, addr);

		fit_hdr = (const void *)addr;
		if (!fit_check_format(fit_hdr)) {
			puts("Bad FIT image format\n");
			return 1;
		}

		/* get subimage node offset */
		noffset = fit_image_get_node(fit_hdr, uname);
		if (noffset < 0) {
			printf("Can't find '%s' FIT subimage\n", uname);
			return 1;
		}

		if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
		    && (argc < 4)) {
			printf("Must specify load address for %s command "
				"with compressed image\n",
				cmdtp->name);
			return 1;
		}

		/* verify integrity */
		if (verify) {
			if (!fit_image_verify(fit_hdr, noffset)) {
				puts("Bad Data Hash\n");
				return 1;
			}
		}

		/* get subimage data address and length */
		if (fit_image_get_data(fit_hdr, noffset,
					&fit_data, &fit_len)) {
			puts("Could not find script subimage data\n");
			return 1;
		}

		if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
			puts("Could not find script subimage "
				"compression type\n");
			return 1;
		}

		data = (ulong)fit_data;
		len = (ulong)fit_len;
		break;
#endif
	default:
		puts("Invalid image type for imxtract\n");
		return 1;
	}

	if (argc > 3) {
		switch (comp) {
		case IH_COMP_NONE:
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
			{
				size_t l = len;
				size_t tail;
				void *to = (void *) dest;
				void *from = (void *)data;

				printf("   Loading part %d ... ", part);

				while (l > 0) {
					tail = (l > CHUNKSZ) ? CHUNKSZ : l;
					WATCHDOG_RESET();
					memmove(to, from, tail);
					to += tail;
					from += tail;
					l -= tail;
				}
			}
#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
			printf("   Loading part %d ... ", part);
			memmove((char *) dest, (char *)data, len);
#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
			break;
#ifdef CONFIG_GZIP
		case IH_COMP_GZIP:
			printf("   Uncompressing part %d ... ", part);
			if (gunzip((void *) dest, unc_len,
				   (uchar *) data, &len) != 0) {
				puts("GUNZIP ERROR - image not loaded\n");
				return 1;
			}
			break;
#endif
#if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
		case IH_COMP_BZIP2:
			{
				int i;

				printf("   Uncompressing part %d ... ", part);
				/*
				 * If we've got less than 4 MB of malloc()
				 * space, use slower decompression algorithm
				 * which requires at most 2300 KB of memory.
				 */
				i = BZ2_bzBuffToBuffDecompress(
					map_sysmem(ntohl(hdr->ih_load), 0),
					&unc_len, (char *)data, len,
					CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
					0);
				if (i != BZ_OK) {
					printf("BUNZIP2 ERROR %d - "
						"image not loaded\n", i);
					return 1;
				}
			}
			break;
#endif /* CONFIG_BZIP2 */
		default:
			printf("Unimplemented compression type %d\n", comp);
			return 1;
		}
		puts("OK\n");
	}

	setenv_hex("fileaddr", data);
	setenv_hex("filesize", len);

	return 0;
}
Example #14
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	void		*os_hdr;
	int		ret;
#if defined(CONFIG_ANDROID_IMG)
	void	*temp_os_hdr = NULL;
	boot_img_hdr *temp_android_hdr = NULL;
#endif

	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");

	bootm_start_lmb();

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type (os_hdr);
		images.os.comp = image_get_comp (os_hdr);
		images.os.os = image_get_os (os_hdr);

		images.os.end = image_get_image_end (os_hdr);
		images.os.load = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		images.os.end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
#if defined(CONFIG_ANDROID_IMG)
	case IMAGE_FORMAT_ANDROID:
		temp_os_hdr = os_hdr + 0x800;//shift 0x800 Android format head
		temp_android_hdr = (void *) os_hdr;
		images.os.type = image_get_type (temp_os_hdr);
		images.os.comp = image_get_comp (temp_os_hdr);
		images.os.os = image_get_os (temp_os_hdr);

		images.os.end = image_get_image_end (temp_os_hdr);
		images.os.load = image_get_load (temp_os_hdr);
		images.rd_start = ((ulong)temp_android_hdr->kernel_size + 0x800 + (ulong)os_hdr 
			+  ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
		images.rd_end = images.rd_start + (ulong)temp_android_hdr->ramdisk_size;
		printf("    Ramdisk start addr = 0x%x, len = 0x%x\n",images.rd_start,temp_android_hdr->ramdisk_size );
#if defined(CONFIG_OF_LIBFDT)
		if(images.ft_len = (ulong)temp_android_hdr->second_size)
		{
			fdt_addr = (images.rd_end
				+ ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
			/*get_multi_dt_entry, compatible with single dt*/
			fdt_addr = get_multi_dt_entry(fdt_addr);
			images.ft_addr = (char *)fdt_addr;
			images.ft_len = fdt_totalsize(fdt_addr);
			printf("    Flat device tree start addr = 0x%x, len = 0x%x magic=0x%x\n",
			(int *)images.ft_addr,images.ft_len,*(unsigned int*)images.ft_addr);
		}
#endif
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep (&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry (images.fit_hdr_os,
				images.fit_noffset_os, &images.ep);
		if (ret) {
			puts ("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts ("Could not find kernel entry point!\n");
		return 1;
	}

	if (((images.os.type == IH_TYPE_KERNEL) ||
	     (images.os.type == IH_TYPE_MULTI)) &&
	    (images.os.os == IH_OS_LINUX)) {
		/* find ramdisk */
#ifndef CONFIG_ANDROID_IMG
#if defined(CONFIG_AML_MESON_FIT)
		//call boot_get_ramdisk() here for get ramdisk start addr
		boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
						&images.rd_start, &images.rd_end);
#endif
#endif

#if defined(CONFIG_ANDROID_IMG)
		if(!images.rd_start)
#endif
		{
			ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
					&images.rd_start, &images.rd_end);
			if (ret) {
				puts ("Ramdisk image is corrupt or invalid\n");
				return 1;
			}
		}

#if defined(CONFIG_OF_LIBFDT)
		/* find flattened device tree */
#if defined(CONFIG_ANDROID_IMG)
		if(!images.ft_addr)
#endif
		{
			ret = boot_get_fdt (flag, argc, argv, &images,
					    &images.ft_addr, &images.ft_len);
			if (ret) {
				puts ("Could not find a valid device tree\n");
				return 1;
			}
		}

		set_working_fdt_addr(images.ft_addr);
#endif
	}

#if defined(CONFIG_ANDROID_IMG)
	images.os.start = (ulong)temp_os_hdr;
#else
	images.os.start = (ulong)os_hdr;
#endif
	
	images.state = BOOTM_STATE_START;

	return 0;
}
Example #15
0
File: board.c Project: JamesAng/ub
void board_init_f(ulong bootflag)
{
	bd_t *bd;
	init_fnc_t **init_fnc_ptr;
	int j;

#ifndef CONFIG_SYS_NO_FLASH
	ulong flash_size;
#endif

	gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);

	/* Clear initial global data */
	memset((void *)gd, 0, sizeof(gd_t));

	gd->bd = (bd_t *) (gd + 1);	/* At end of global data */
	gd->baudrate = CONFIG_BAUDRATE;
	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;

	bd = gd->bd;
	bd->bi_memstart = CONFIG_SYS_RAM_BASE;
	bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if	defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
	bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
#endif
	bd->bi_baudrate = CONFIG_BAUDRATE;
	bd->bi_bootflags = bootflag;	/* boot / reboot flag (for LynxOS)    */

	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
	gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;

	for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
	     ++init_fnc_ptr, j++) {
#ifdef DEBUG_INIT_SEQUENCE
		if (j > 9)
			str_init_seq[9] = '0' + (j / 10);
		str_init_seq[10] = '0' + (j - (j / 10) * 10);
		serial_puts(str_init_seq);
#endif
		if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
			hang();
		}
	}
#ifdef DEBUG_INIT_SEQUENCE
	serial_puts(str_init_seq_done);
#endif

	/*
	 * 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):
	 *  - kernel log buffer
	 *  - protected RAM
	 *  - LCD framebuffer
	 *  - monitor code
	 *  - board info struct
	 */
#ifdef DEBUG_MEM_LAYOUT
	printf("CONFIG_SYS_MONITOR_BASE:       0x%lx\n", CONFIG_SYS_MONITOR_BASE);
	printf("CONFIG_ENV_ADDR:           0x%lx\n", CONFIG_ENV_ADDR);
	printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
	       CONFIG_SYS_MONITOR_LEN);
	printf("CONFIG_SYS_MALLOC_BASE:        0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
	       CONFIG_SYS_MALLOC_LEN);
	printf("CONFIG_SYS_INIT_SP_OFFSET:     0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
	       CONFIG_SYS_STACK_SIZE);
	printf("CONFIG_SYS_PROM_OFFSET:        0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
	       CONFIG_SYS_PROM_SIZE);
	printf("CONFIG_SYS_GBL_DATA_OFFSET:    0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
	       GENERATED_GBL_DATA_SIZE);
#endif

#ifdef CONFIG_POST
	post_bootmode_init();
	post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif

#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	/*
	 * We have to relocate the command table manually
	 */
	fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
			ll_entry_count(cmd_tbl_t, cmd));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */

#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
	puts("AMBA:\n");
	do_ambapp_print(NULL, 0, 0, NULL);
#endif

	/* initialize higher level parts of CPU like time base and timers */
	cpu_init_r();

	/* start timer */
	timer_interrupt_init();

	/*
	 * Enable Interrupts before any calls to udelay,
	 * the flash driver may use udelay resulting in
	 * a hang if not timer0 IRQ is enabled.
	 */
	interrupt_init();

	/* The Malloc area is immediately below the monitor copy in RAM */
	mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
			CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);

#if !defined(CONFIG_SYS_NO_FLASH)
	puts("Flash: ");

	if ((flash_size = flash_init()) > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
		print_size(flash_size, "");
		/*
		 * Compute and print flash CRC if flashchecksum is set to 'y'
		 *
		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
		 */
		if (getenv_yesno("flashchecksum") == 1) {
			printf("  CRC: %08lX",
			       crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
				     flash_size)
			    );
		}
		putc('\n');
# else				/* !CONFIG_SYS_FLASH_CHECKSUM */
		print_size(flash_size, "\n");
# endif				/* CONFIG_SYS_FLASH_CHECKSUM */
	} else {
		puts(failed);
		hang();
	}

	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;	/* update start of FLASH memory    */
	bd->bi_flashsize = flash_size;	/* size of FLASH memory (final value) */
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for startup monitor  */
#else
	bd->bi_flashoffset = 0;
#endif
#else				/* CONFIG_SYS_NO_FLASH */
	bd->bi_flashsize = 0;
	bd->bi_flashstart = 0;
	bd->bi_flashoffset = 0;
#endif				/* !CONFIG_SYS_NO_FLASH */

#ifdef CONFIG_SPI
# if !defined(CONFIG_ENV_IS_IN_EEPROM)
	spi_init_f();
# endif
	spi_init_r();
#endif

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

#if defined(CONFIG_BOARD_LATE_INIT)
	board_late_init();
#endif

#ifdef CONFIG_ID_EEPROM
	mac_read_from_eeprom();
#endif

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

	/* Initialize stdio devices */
	stdio_init();

	/* Initialize the jump table for applications */
	jumptable_init();

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

#ifdef CONFIG_STATUS_LED
	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif

	udelay(20);

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

	WATCHDOG_RESET();

#if defined(CONFIG_CMD_DOC)
	WATCHDOG_RESET();
	puts("DOC:   ");
	doc_init();
#endif

#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
	WATCHDOG_RESET();
	puts("Net:   ");
	eth_initialize(bd);
#endif

#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
	WATCHDOG_RESET();
	debug("Reset Ethernet PHY\n");
	reset_phy();
#endif

#ifdef CONFIG_POST
	post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif

#if defined(CONFIG_CMD_IDE)
	WATCHDOG_RESET();
	puts("IDE:   ");
	ide_init();
#endif /* CONFIG_CMD_IDE */

#ifdef CONFIG_LAST_STAGE_INIT
	WATCHDOG_RESET();
	/*
	 * Some parts can be only initialized if all others (like
	 * Interrupts) are up and running (i.e. the PC-style ISA
	 * keyboard).
	 */
	last_stage_init();
#endif

#ifdef CONFIG_PS2KBD
	puts("PS/2:  ");
	kbd_init();
#endif
	prom_init();

	/* main_loop */
	for (;;) {
		WATCHDOG_RESET();
		main_loop();
	}

}
Example #16
0
static int fpga_load (fpga_t* fpga, ulong addr, int checkall)
{
    volatile uchar *fpga_addr = (volatile uchar *)fpga->conf_base;
    image_header_t *hdr = (image_header_t *)addr;
    ulong len;
    uchar *data;
    char msg[32];
    int verify, i;

#if defined(CONFIG_FIT)
    if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
        puts ("Non legacy image format not supported\n");
        return -1;
    }
#endif

    /*
     * Check the image header and data of the net-list
     */
    if (!image_check_magic (hdr)) {
        strcpy (msg, "Bad Image Magic Number");
        goto failure;
    }

    if (!image_check_hcrc (hdr)) {
        strcpy (msg, "Bad Image Header CRC");
        goto failure;
    }

    data = (uchar*)image_get_data (hdr);
    len  = image_get_data_size (hdr);

    verify = getenv_yesno ("verify");
    if (verify) {
        if (!image_check_dcrc (hdr)) {
            strcpy (msg, "Bad Image Data CRC");
            goto failure;
        }
    }

    if (checkall && fpga_get_version(fpga, image_get_name (hdr)) < 0)
        return 1;

    /* align length */
    if (len & 1)
        ++len;

    /*
     * Reset FPGA and wait for completion
     */
    if (fpga_reset(fpga)) {
        strcpy (msg, "Reset Timeout");
        goto failure;
    }

    printf ("(%s)... ", image_get_name (hdr));
    /*
     * Copy data to FPGA
     */
    fpga_control (fpga, FPGA_LOAD_MODE);
    while (len--) {
        *fpga_addr = *data++;
    }
    fpga_control (fpga, FPGA_READ_MODE);

    /*
     * Wait for completion and check error status if timeout
     */
    for (i = 0; i < FPGA_LOAD_TIMEOUT; i++) {
        udelay (100);
        if (fpga_control (fpga, FPGA_DONE_IS_HIGH))
            break;
    }
    if (i == FPGA_LOAD_TIMEOUT) {
        if (fpga_control(fpga, FPGA_INIT_IS_HIGH))
            strcpy(msg, "Invalid Size");
        else
            strcpy(msg, "CRC Error");
        goto failure;
    }

    printf("done\n");
    return 0;

failure:

    printf("ERROR: %s\n", msg);
    return 1;
}
int
autoscript (ulong addr, const char *fit_uname)
{
	ulong		len;
	image_header_t	*hdr;
	ulong		*data;
	char		*cmd;
	int		rcode = 0;
	int		verify;
#if defined(CONFIG_FIT)
	const void*	fit_hdr;
	int		noffset;
	const void	*fit_data;
	size_t		fit_len;
#endif

	verify = getenv_yesno ("verify");

	switch (genimg_get_format ((void *)addr)) {
	case IMAGE_FORMAT_LEGACY:
		hdr = (image_header_t *)addr;

		if (!image_check_magic (hdr)) {
			puts ("Bad magic number\n");
			return 1;
		}

		if (!image_check_hcrc (hdr)) {
			puts ("Bad header crc\n");
			return 1;
		}

		if (verify) {
			if (!image_check_dcrc (hdr)) {
				puts ("Bad data crc\n");
				return 1;
			}
		}

		if (!image_check_type (hdr, IH_TYPE_SCRIPT)) {
			puts ("Bad image type\n");
			return 1;
		}

		/* get length of script */
		data = (ulong *)image_get_data (hdr);

		if ((len = uimage_to_cpu (*data)) == 0) {
			puts ("Empty Script\n");
			return 1;
		}

		/*
		 * scripts are just multi-image files with one component, seek
		 * past the zero-terminated sequence of image lengths to get
		 * to the actual image data
		 */
		while (*data++);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_uname == NULL) {
			puts ("No FIT subimage unit name\n");
			return 1;
		}

		fit_hdr = (const void *)addr;
		if (!fit_check_format (fit_hdr)) {
			puts ("Bad FIT image format\n");
			return 1;
		}

		/* get script component image node offset */
		noffset = fit_image_get_node (fit_hdr, fit_uname);
		if (noffset < 0) {
			printf ("Can't find '%s' FIT subimage\n", fit_uname);
			return 1;
		}

		if (!fit_image_check_type (fit_hdr, noffset, IH_TYPE_SCRIPT)) {
			puts ("Not a image image\n");
			return 1;
		}

		/* verify integrity */
		if (verify) {
			if (!fit_image_check_hashes (fit_hdr, noffset)) {
				puts ("Bad Data Hash\n");
				return 1;
			}
		}

		/* get script subimage data address and length */
		if (fit_image_get_data (fit_hdr, noffset, &fit_data, &fit_len)) {
			puts ("Could not find script subimage data\n");
			return 1;
		}

		data = (ulong *)fit_data;
		len = (ulong)fit_len;
		break;
#endif
	default:
		puts ("Wrong image format for autoscript\n");
		return 1;
	}

	debug ("** Script length: %ld\n", len);

	if ((cmd = malloc (len + 1)) == NULL) {
		return 1;
	}

	/* make sure cmd is null terminated */
	memmove (cmd, (char *)data, len);
	*(cmd + len) = 0;

#ifdef CONFIG_SYS_HUSH_PARSER /*?? */
	rcode = parse_string_outer (cmd, FLAG_PARSE_SEMICOLON);
#else
	{
		char *line = cmd;
		char *next = cmd;

		/*
		 * break into individual lines,
		 * and execute each line;
		 * terminate on error.
		 */
		while (*next) {
			if (*next == '\n') {
				*next = '\0';
				/* run only non-empty commands */
				if (*line) {
					debug ("** exec: \"%s\"\n",
						line);
					if (run_command (line, 0) < 0) {
						rcode = 1;
						break;
					}
				}
				line = next + 1;
			}
			++next;
		}
		if (rcode == 0 && *line)
			rcode = (run_command(line, 0) >= 0);
	}
#endif
	free (cmd);
	return rcode;
}
Example #18
0
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	image_header_t	*hdr;
	ulong		addr;
	ulong		iflag;
	const char	*type_name;
	uint		unc_len = CONFIG_SYS_BOOTM_LEN;
	uint8_t		comp, type, os;

	void		*os_hdr;
	ulong		os_data, os_len;
	ulong		image_start, image_end;
	ulong		load_start, load_end;
	ulong		mem_start;
	phys_size_t	mem_size;

	struct lmb lmb;

#if defined(CONFIG_SECURE_BOOT)
	int rv;
#endif

#if defined(CONFIG_SECURE_BOOT)
	rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
                                (unsigned char*)CONFIG_SECURE_KERNEL_BASE,
                                CONFIG_SECURE_KERNEL_SIZE-128,
                                (unsigned char*)(CONFIG_SECURE_KERNEL_BASE+CONFIG_SECURE_KERNEL_SIZE-128),
                                128 );
        if(rv != SB_OK) {
                printf("Kernel Integrity check fail\nSystem Halt....");
                while(1);
        }
        printf("Kernel Integirty check success.\n");

	rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
                                (unsigned char*)CONFIG_SECURE_ROOTFS_BASE,
                                CONFIG_SECURE_ROOTFS_SIZE-128,
                                (unsigned char*)(CONFIG_SECURE_ROOTFS_BASE+CONFIG_SECURE_ROOTFS_SIZE-128),
                                128 );
	if(rv != SB_OK) {
                printf("rootfs Integrity check fail\nSystem Halt....");
                while(1);
        }

        printf("rootfs Integirty check success.\n");

#endif
	
	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");
//	images.lmb = &lmb;
	memcpy (&images.lmb, &lmb, sizeof(struct lmb));

	lmb_init(&lmb);

	mem_start = getenv_bootm_low();
	mem_size = getenv_bootm_size();

	lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);

	board_lmb_reserve(&lmb);

#ifdef CONFIG_ZIMAGE_BOOT
#define LINUX_ZIMAGE_MAGIC	0x016f2818
	/* find out kernel image address */
	if (argc < 2) {
		addr = load_addr;
		debug ("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
	} else {
		addr = simple_strtoul(argv[1], NULL, 16);
		//debug ("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
	}


	if (*(ulong *)(addr + 9*4) == LINUX_ZIMAGE_MAGIC) {
		printf("Boot with zImage\n");
		addr = virt_to_phys(addr);
		hdr = (image_header_t *)addr;
		hdr->ih_os = IH_OS_LINUX;
		hdr->ih_ep = ntohl(addr);

		memmove (&images.legacy_hdr_os_copy, hdr, sizeof(image_header_t));

		/* save pointer to image header */
		images.legacy_hdr_os = hdr;

		images.legacy_hdr_valid = 1;

		goto after_header_check;
	}
#endif

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &os_data, &os_len);
	if (os_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		type = image_get_type (os_hdr);
		comp = image_get_comp (os_hdr);
		os = image_get_os (os_hdr);

		image_end = image_get_image_end (os_hdr);
		load_start = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		image_end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&load_start)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	image_start = (ulong)os_hdr;
	load_end = 0;
	type_name = genimg_get_type_name (type);

	/*
	 * We have reached the point of no return: we are going to
	 * overwrite all exception vector code, so we cannot easily
	 * recover from any failures any more...
	 */
	iflag = disable_interrupts();

#if defined(CONFIG_CMD_USB)
	/*
	 * turn off USB to prevent the host controller from writing to the
	 * SDRAM while Linux is booting. This could happen (at least for OHCI
	 * controller), because the HCCA (Host Controller Communication Area)
	 * lies within the SDRAM and the host controller writes continously to
	 * this area (as busmaster!). The HccaFrameNumber is for example
	 * updated every 1 ms within the HCCA structure in SDRAM! For more
	 * details see the OpenHCI specification.
	 */
	usb_stop();
#endif


#ifdef CONFIG_AMIGAONEG3SE
	/*
	 * We've possible left the caches enabled during
	 * bios emulation, so turn them off again
	 */
	icache_disable();
	invalidate_l1_instruction_cache();
	flush_data_cache();
	dcache_disable();
#endif

	switch (comp) {
	case IH_COMP_NONE:
		if (load_start == (ulong)os_hdr) {
			printf ("   XIP %s ... ", type_name);
		} else {
			printf ("   Loading %s ... ", type_name);

			memmove_wd ((void *)load_start,
				   (void *)os_data, os_len, CHUNKSZ);
		}
		load_end = load_start + os_len;
		puts("OK\n");
		break;
	case IH_COMP_GZIP:
		printf ("   Uncompressing %s ... ", type_name);
		if (gunzip ((void *)load_start, unc_len,
					(uchar *)os_data, &os_len) != 0) {
			puts ("GUNZIP: uncompress or overwrite error "
				"- must RESET board to recover\n");
			show_boot_progress (-6);
			do_reset (cmdtp, flag, argc, argv);
		}

		load_end = load_start + os_len;
		break;
#ifdef CONFIG_BZIP2
	case IH_COMP_BZIP2:
		printf ("   Uncompressing %s ... ", type_name);
		/*
		 * If we've got less than 4 MB of malloc() space,
		 * use slower decompression algorithm which requires
		 * at most 2300 KB of memory.
		 */
		int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
					&unc_len, (char *)os_data, os_len,
					CFG_MALLOC_LEN < (4096 * 1024), 0);
		if (i != BZ_OK) {
			printf ("BUNZIP2: uncompress or overwrite error %d "
				"- must RESET board to recover\n", i);
			show_boot_progress (-6);
			do_reset (cmdtp, flag, argc, argv);
		}

		load_end = load_start + unc_len;
		break;
#endif /* CONFIG_BZIP2 */
	default:
		if (iflag)
			enable_interrupts();
		printf ("Unimplemented compression type %d\n", comp);
		show_boot_progress (-7);
		return 1;
	}
	puts ("OK\n");
	debug ("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
	show_boot_progress (7);

	if ((load_start < image_end) && (load_end > image_start)) {
		debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
		debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);

		if (images.legacy_hdr_valid) {
			if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
				puts ("WARNING: legacy format multi component "
					"image overwritten\n");
		} else {
			puts ("ERROR: new format image overwritten - "
				"must RESET the board to recover\n");
			show_boot_progress (-113);
			do_reset (cmdtp, flag, argc, argv);
		}
	}

	show_boot_progress (8);

	lmb_reserve(&lmb, load_start, (load_end - load_start));

#if defined(CONFIG_ZIMAGE_BOOT)
after_header_check:
	os = hdr->ih_os;
#endif

	switch (os) {
	default:			/* handled by (original) Linux case */
	case IH_OS_LINUX:
#ifdef CONFIG_SILENT_CONSOLE
	    fixup_silent_linux();
#endif
	    do_bootm_linux (flag, argc, argv, &images);
	    break;
#ifdef CONFIG_BOOTM_NETBSD
	case IH_OS_NETBSD:
	    do_bootm_netbsd (flag, argc, argv, &images);
	    break;
#endif
#ifdef CONFIG_LYNXKDI
	case IH_OS_LYNXOS:
	    do_bootm_lynxkdi (flag, argc, argv, &images);
	    break;
#endif
#ifdef CONFIG_BOOTM_RTEMS
	case IH_OS_RTEMS:
	    do_bootm_rtems (flag, argc, argv, &images);
	    break;
#endif
/*
#if defined(CONFIG_CMD_ELF)
	case IH_OS_VXWORKS:
	    do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
	    break;

	case IH_OS_QNX:
	    do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
	    break;
#endif
*/
#ifdef CONFIG_ARTOS
	case IH_OS_ARTOS:
	    do_bootm_artos (cmdtp, flag, argc, argv, &images);
	    break;
#endif
	}

	show_boot_progress (-9);
#ifdef DEBUG
	puts ("\n## Control returned to monitor - resetting...\n");
	do_reset (cmdtp, flag, argc, argv);
#endif
	if (iflag)
		enable_interrupts();

	return 1;
}
Example #19
0
void board_init_f(ulong not_used)
{
    bd_t *bd;
    init_fnc_t **init_fnc_ptr;
    gd = (gd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
    bd = (bd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET
                  - GENERATED_BD_INFO_SIZE);
#if defined(CONFIG_CMD_FLASH) && !defined(CONFIG_SPL_BUILD)
    ulong flash_size = 0;
#endif
    asm ("nop");	/* FIXME gd is not initialize - wait */
    memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
    memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
    gd->bd = bd;
    gd->baudrate = CONFIG_BAUDRATE;
    bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
    bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
    gd->flags |= GD_FLG_RELOC;      /* tell others: relocation done */

    monitor_flash_len = __end - __text_start;

#ifdef CONFIG_OF_EMBED
    /* Get a pointer to the FDT */
    gd->fdt_blob = __dtb_dt_begin;
#elif defined CONFIG_OF_SEPARATE
    /* FDT is at end of image */
    gd->fdt_blob = (void *)__end;
#endif

#ifndef CONFIG_SPL_BUILD
    /* Allow the early environment to override the fdt address */
    gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
                                        (uintptr_t)gd->fdt_blob);
#endif

    /*
     * The Malloc area is immediately below the monitor copy in DRAM
     * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
     * as our monitory code is run from SDRAM
     */
    mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);

    serial_initialize();

#ifdef CONFIG_XILINX_TB_WATCHDOG
    hw_watchdog_init();
#endif
    for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
        WATCHDOG_RESET();
        if ((*init_fnc_ptr) () != 0)
            hang();
    }

#ifndef CONFIG_SPL_BUILD
#ifdef CONFIG_OF_CONTROL
    /* For now, put this check after the console is ready */
    if (fdtdec_prepare_fdt())
        panic("** No FDT - please see doc/README.fdt-control");
    else
        printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
#endif

    puts("SDRAM :\n");
    printf("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
    printf("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
    printf("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);

#if defined(CONFIG_CMD_FLASH)
    puts("Flash: ");
    bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
    flash_size = flash_init();
    if (bd->bi_flashstart && flash_size > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
        print_size(flash_size, "");
        /*
         * Compute and print flash CRC if flashchecksum is set to 'y'
         *
         * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
         */
        if (getenv_yesno("flashchecksum") == 1) {
            printf("  CRC: %08X",
                   crc32(0, (const u8 *)bd->bi_flashstart,
                         flash_size)
                  );
        }
        putc('\n');
# else	/* !CONFIG_SYS_FLASH_CHECKSUM */
        print_size(flash_size, "\n");
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
        bd->bi_flashsize = flash_size;
        bd->bi_flashoffset = bd->bi_flashstart + flash_size;
    } else {
        puts("Flash init FAILED");
        bd->bi_flashstart = 0;
        bd->bi_flashsize = 0;
        bd->bi_flashoffset = 0;
    }
#endif

#ifdef CONFIG_SPI
    spi_init();
#endif

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

    /* Initialize stdio devices */
    stdio_init();

    /* Initialize the jump table for applications */
    jumptable_init();

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

    board_init();

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

#if defined(CONFIG_CMD_NET)
    printf("Net:   ");
    eth_initialize(gd->bd);

    uchar enetaddr[6];
    eth_getenv_enetaddr("ethaddr", enetaddr);
    printf("MAC:   %pM\n", enetaddr);
#endif

    /* main_loop */
    for (;;) {
        WATCHDOG_RESET();
        main_loop();
    }
#endif /* CONFIG_SPL_BUILD */
}