Merge branch 'new-image' of git://www.denx.de/git/u-boot-testing

Conflicts:

	common/cmd_bootm.c
	cpu/mpc8xx/cpu.c

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>

1 files changed, 725 insertions, 1244 deletions

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 5a8572602c..9e5ce4b38f 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -21,6 +21,7 @@
  * MA 02111-1307 USA
  */
 
+
 /*
  * Boot support
  */
@@ -32,56 +33,24 @@
 #include <zlib.h>
 #include <bzlib.h>
 #include <environment.h>
+#include <lmb.h>
 #include <asm/byteorder.h>
 
-#if defined(CONFIG_OF_LIBFDT)
-#include <fdt.h>
-#include <libfdt.h>
-#include <fdt_support.h>
-#endif
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*cmd_boot.c*/
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
-#include <rtc.h>
-#endif
-
 #ifdef CFG_HUSH_PARSER
 #include <hush.h>
 #endif
 
-#ifdef CFG_INIT_RAM_LOCK
-#include <asm/cache.h>
-#endif
-
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
+DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_HAS_DATAFLASH
-#include <dataflash.h>
+extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
+#ifndef CFG_BOOTM_LEN
+#define CFG_BOOTM_LEN	0x800000	/* use 8MByte as default max gunzip size */
 #endif
 
-/*
- * Some systems (for example LWMON) have very short watchdog periods;
- * we must make sure to split long operations like memmove() or
- * crc32() into reasonable chunks.
- */
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-# define CHUNKSZ (64 * 1024)
+#ifdef CONFIG_BZIP2
+extern void bz_internal_error(int);
 #endif
 
-int  gunzip (void *, int, unsigned char *, unsigned long *);
-
-static void *zalloc(void *, unsigned, unsigned);
-static void zfree(void *, void *, unsigned);
-
 #if defined(CONFIG_CMD_IMI)
 static int image_info (unsigned long addr);
 #endif
@@ -92,12 +61,19 @@ extern flash_info_t flash_info[]; /* info for FLASH chips */
 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #endif
 
-static void print_type (image_header_t *hdr);
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux (void);
+#endif
 
-#ifdef __I386__
-image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
+static image_header_t *image_get_kernel (ulong img_addr, int verify);
+#if defined(CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify);
 #endif
 
+static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
+		bootm_headers_t *images, ulong *os_data, ulong *os_len);
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
 /*
  *  Continue booting an OS image; caller already has:
  *  - copied image header to global variable `header'
@@ -106,203 +82,135 @@ image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
  *  - loaded (first part of) image to header load address,
  *  - disabled interrupts.
  */
-typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
-			  int	argc, char *argv[],
-			  ulong	addr,		/* of image to boot */
-			  ulong	*len_ptr,	/* multi-file image length table */
-			  int	verify);	/* getenv("verify")[0] != 'n' */
-
-#ifdef	DEBUG
-extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-#endif
-
-#ifdef CONFIG_PPC
-static boot_os_Fcn do_bootm_linux;
-#else
-extern boot_os_Fcn do_bootm_linux;
+typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
+			int argc, char *argv[],
+			bootm_headers_t *images); /* pointers to os/initrd/fdt */
+
+extern boot_os_fn do_bootm_linux;
+static boot_os_fn do_bootm_netbsd;
+#if defined(CONFIG_LYNXKDI)
+static boot_os_fn do_bootm_lynxkdi;
+extern void lynxkdi_boot (image_header_t *);
 #endif
-#ifdef CONFIG_SILENT_CONSOLE
-static void fixup_silent_linux (void);
-#endif
-static boot_os_Fcn do_bootm_netbsd;
-static boot_os_Fcn do_bootm_rtems;
+static boot_os_fn do_bootm_rtems;
 #if defined(CONFIG_CMD_ELF)
-static boot_os_Fcn do_bootm_vxworks;
-static boot_os_Fcn do_bootm_qnxelf;
-int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
-int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
+static boot_os_fn do_bootm_vxworks;
+static boot_os_fn do_bootm_qnxelf;
+int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #endif
 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static boot_os_Fcn do_bootm_artos;
-#endif
-#ifdef CONFIG_LYNXKDI
-static boot_os_Fcn do_bootm_lynxkdi;
-extern void lynxkdi_boot( image_header_t * );
+extern uchar (*env_get_char)(int); /* Returns a character from the environment */
+static boot_os_fn do_bootm_artos;
 #endif
 
-#ifndef CFG_BOOTM_LEN
-#define CFG_BOOTM_LEN	0x800000	/* use 8MByte as default max gunzip size */
-#endif
+ulong load_addr = CFG_LOAD_ADDR;	/* Default Load Address */
+static bootm_headers_t images;		/* pointers to os/initrd/fdt images */
 
-image_header_t header;
+void __board_lmb_reserve(struct lmb *lmb)
+{
+	/* please define platform specific board_lmb_reserve() */
+}
+void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
 
-ulong load_addr = CFG_LOAD_ADDR;		/* Default Load Address */
 
+/*******************************************************************/
+/* bootm - boot application image from image in memory */
+/*******************************************************************/
 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-	ulong	iflag;
-	ulong	addr;
-	ulong	data, len, checksum;
-	ulong  *len_ptr;
-	uint	unc_len = CFG_BOOTM_LEN;
-	int	i, verify;
-	char	*name, *s;
-	int	(*appl)(int, char *[]);
-	image_header_t *hdr = &header;
+	ulong		iflag;
+	const char	*type_name;
+	uint		unc_len = CFG_BOOTM_LEN;
+	uint8_t		comp, type, os;
 
-	s = getenv ("verify");
-	verify = (s && (*s == 'n')) ? 0 : 1;
+	void		*os_hdr;
+	ulong		os_data, os_len;
+	ulong		image_start, image_end;
+	ulong		load_start, load_end;
+	ulong		mem_start, mem_size;
 
-	if (argc < 2) {
-		addr = load_addr;
-	} else {
-		addr = simple_strtoul(argv[1], NULL, 16);
-	}
+	struct lmb lmb;
 
-	show_boot_progress (1);
-	printf ("## Booting image at %08lx ...\n", addr);
+	memset ((void *)&images, 0, sizeof (images));
+	images.verify = getenv_verify();
+	images.autostart = getenv_autostart();
+	images.lmb = &lmb;
 
-	/* Copy header so we can blank CRC field for re-calculation */
-#ifdef CONFIG_HAS_DATAFLASH
-	if (addr_dataflash(addr)){
-		read_dataflash(addr, sizeof(image_header_t), (char *)&header);
-	} else
-#endif
-	memmove (&header, (char *)addr, sizeof(image_header_t));
-
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
-#ifdef __I386__	/* correct image format not implemented yet - fake it */
-		if (fake_header(hdr, (void*)addr, -1) != NULL) {
-			/* to compensate for the addition below */
-			addr -= sizeof(image_header_t);
-			/* turnof verify,
-			 * fake_header() does not fake the data crc
-			 */
-			verify = 0;
-		} else
-#endif	/* __I386__ */
-	    {
-		puts ("Bad Magic Number\n");
-		show_boot_progress (-1);
-		return 1;
-	    }
-	}
-	show_boot_progress (2);
+	lmb_init(&lmb);
 
-	data = (ulong)&header;
-	len  = sizeof(image_header_t);
+	mem_start = getenv_bootm_low();
+	mem_size = getenv_bootm_size();
 
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
+	lmb_add(&lmb, mem_start, mem_size);
 
-	if (crc32 (0, (uchar *)data, len) != checksum) {
-		puts ("Bad Header Checksum\n");
-		show_boot_progress (-2);
-		return 1;
-	}
-	show_boot_progress (3);
+	board_lmb_reserve(&lmb);
 
-#ifdef CONFIG_HAS_DATAFLASH
-	if (addr_dataflash(addr)){
-		len  = ntohl(hdr->ih_size) + sizeof(image_header_t);
-		read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
-		addr = CFG_LOAD_ADDR;
+	/* 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;
 	}
-#endif
 
+	/* 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);
 
-	/* for multi-file images we need the data part, too */
-	print_image_hdr ((image_header_t *)addr);
+		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;
+		}
 
-	data = addr + sizeof(image_header_t);
-	len  = ntohl(hdr->ih_size);
+		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 (verify) {
-		puts ("   Verifying Checksum ... ");
-		if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
-			printf ("Bad Data CRC\n");
-			show_boot_progress (-3);
+		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;
 		}
-		puts ("OK\n");
-	}
-	show_boot_progress (4);
 
-	len_ptr = (ulong *)data;
-
-#if defined(__ARM__)
-	if (hdr->ih_arch != IH_CPU_ARM)
-#elif defined(__avr32__)
-	if (hdr->ih_arch != IH_CPU_AVR32)
-#elif defined(__bfin__)
-	if (hdr->ih_arch != IH_CPU_BLACKFIN)
-#elif defined(__I386__)
-	if (hdr->ih_arch != IH_CPU_I386)
-#elif defined(__M68K__)
-	if (hdr->ih_arch != IH_CPU_M68K)
-#elif defined(__microblaze__)
-	if (hdr->ih_arch != IH_CPU_MICROBLAZE)
-#elif defined(__mips__)
-	if (hdr->ih_arch != IH_CPU_MIPS)
-#elif defined(__nios__)
-	if (hdr->ih_arch != IH_CPU_NIOS)
-#elif defined(__nios2__)
-	if (hdr->ih_arch != IH_CPU_NIOS2)
-#elif defined(__PPC__)
-	if (hdr->ih_arch != IH_CPU_PPC)
-#elif defined(__sh__)
-	if (hdr->ih_arch != IH_CPU_SH)
-#else
-# error Unknown CPU type
-#endif
-	{
-		printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
-		show_boot_progress (-4);
-		return 1;
-	}
-	show_boot_progress (5);
-
-	switch (hdr->ih_type) {
-	case IH_TYPE_STANDALONE:
-		name = "Standalone Application";
-		/* A second argument overwrites the load address */
-		if (argc > 2) {
-			hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
+		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;
-	case IH_TYPE_KERNEL:
-		name = "Kernel Image";
-		break;
-	case IH_TYPE_MULTI:
-		name = "Multi-File Image";
-		len  = ntohl(len_ptr[0]);
-		/* OS kernel is always the first image */
-		data += 8; /* kernel_len + terminator */
-		for (i=1; len_ptr[i]; ++i)
-			data += 4;
-		break;
-	default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
-		show_boot_progress (-5);
+#endif
+	default:
+		puts ("ERROR: unknown image format type!\n");
 		return 1;
 	}
-	show_boot_progress (6);
+
+	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();
 
 #ifdef CONFIG_AMIGAONEG3SE
@@ -316,138 +224,113 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	dcache_disable();
 #endif
 
-	switch (hdr->ih_comp) {
+	switch (comp) {
 	case IH_COMP_NONE:
-		if(ntohl(hdr->ih_load) == addr) {
-			printf ("   XIP %s ... ", name);
+		if (load_start == (ulong)os_hdr) {
+			printf ("   XIP %s ... ", type_name);
 		} else {
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-			size_t l = len;
-			void *to = (void *)ntohl(hdr->ih_load);
-			void *from = (void *)data;
-
-			printf ("   Loading %s ... ", name);
-
-			while (l > 0) {
-				size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
-				WATCHDOG_RESET();
-				memmove (to, from, tail);
-				to += tail;
-				from += tail;
-				l -= tail;
-			}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-			memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+			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 ... ", name);
-		if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
-			    (uchar *)data, &len) != 0) {
-			puts ("GUNZIP ERROR - must RESET board to recover\n");
+		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 ... ", name);
+		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.
 		 */
-		i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
-						&unc_len, (char *)data, len,
-						CFG_MALLOC_LEN < (4096 * 1024), 0);
+		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 ERROR %d - must RESET board to recover\n", i);
+			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", hdr->ih_comp);
+		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);
 
-	switch (hdr->ih_type) {
-	case IH_TYPE_STANDALONE:
-		if (iflag)
-			enable_interrupts();
+	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);
 
-		/* load (and uncompress), but don't start if "autostart"
-		 * is set to "no"
-		 */
-		if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
-			char buf[32];
-			sprintf(buf, "%lX", len);
-			setenv("filesize", buf);
-			return 0;
-		}
-		appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
-		(*appl)(argc-1, &argv[1]);
-		return 0;
-	case IH_TYPE_KERNEL:
-	case IH_TYPE_MULTI:
-		/* handled below */
-		break;
-	default:
-		if (iflag)
-			enable_interrupts();
-		printf ("Can't boot image type %d\n", hdr->ih_type);
-		show_boot_progress (-8);
-		return 1;
+		puts ("ERROR: image overwritten - must RESET the board to recover.\n");
+		show_boot_progress (-113);
+		do_reset (cmdtp, flag, argc, argv);
 	}
+
 	show_boot_progress (8);
 
-	switch (hdr->ih_os) {
+	lmb_reserve(&lmb, load_start, (load_end - load_start));
+
+	switch (os) {
 	default:			/* handled by (original) Linux case */
 	case IH_OS_LINUX:
 #ifdef CONFIG_SILENT_CONSOLE
 	    fixup_silent_linux();
 #endif
-	    do_bootm_linux  (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_linux (cmdtp, flag, argc, argv, &images);
 	    break;
+
 	case IH_OS_NETBSD:
-	    do_bootm_netbsd (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
 	    break;
 
 #ifdef CONFIG_LYNXKDI
 	case IH_OS_LYNXOS:
-	    do_bootm_lynxkdi (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
 	    break;
 #endif
 
 	case IH_OS_RTEMS:
-	    do_bootm_rtems (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_rtems (cmdtp, flag, argc, argv, &images);
 	    break;
 
 #if defined(CONFIG_CMD_ELF)
 	case IH_OS_VXWORKS:
-	    do_bootm_vxworks (cmdtp, flag, argc, argv,
-			      addr, len_ptr, verify);
+	    do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
 	    break;
+
 	case IH_OS_QNX:
-	    do_bootm_qnxelf (cmdtp, flag, argc, argv,
-			      addr, len_ptr, verify);
+	    do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
 	    break;
 #endif
+
 #ifdef CONFIG_ARTOS
 	case IH_OS_ARTOS:
-	    do_bootm_artos  (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_artos (cmdtp, flag, argc, argv, &images);
 	    break;
 #endif
 	}
@@ -455,94 +338,94 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	show_boot_progress (-9);
 #ifdef DEBUG
 	puts ("\n## Control returned to monitor - resetting...\n");
-	do_reset (cmdtp, flag, argc, argv);
+	if (images.autostart)
+		do_reset (cmdtp, flag, argc, argv);
 #endif
+	if (!images.autostart && iflag)
+		enable_interrupts();
+
 	return 1;
 }
 
-U_BOOT_CMD(
- 	bootm,	CFG_MAXARGS,	1,	do_bootm,
- 	"bootm   - boot application image from memory\n",
- 	"[addr [arg ...]]\n    - boot application image stored in memory\n"
- 	"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
- 	"\t'arg' can be the address of an initrd image\n"
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	"\tWhen booting a Linux kernel which requires a flat device-tree\n"
-	"\ta third argument is required which is the address of the\n"
-	"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
-	"\tuse a '-' for the second argument. If you do not pass a third\n"
-	"\ta bd_info struct will be passed instead\n"
-#endif
-);
-
-#ifdef CONFIG_SILENT_CONSOLE
-static void
-fixup_silent_linux ()
+/**
+ * image_get_kernel - verify legacy format kernel image
+ * @img_addr: in RAM address of the legacy format image to be verified
+ * @verify: data CRC verification flag
+ *
+ * image_get_kernel() verifies legacy image integrity and returns pointer to
+ * legacy image header if image verification was completed successfully.
+ *
+ * returns:
+ *     pointer to a legacy image header if valid image was found
+ *     otherwise return NULL
+ */
+static image_header_t *image_get_kernel (ulong img_addr, int verify)
 {
-	char buf[256], *start, *end;
-	char *cmdline = getenv ("bootargs");
+	image_header_t *hdr = (image_header_t *)img_addr;
 
-	/* Only fix cmdline when requested */
-	if (!(gd->flags & GD_FLG_SILENT))
-		return;
+	if (!image_check_magic(hdr)) {
+		puts ("Bad Magic Number\n");
+		show_boot_progress (-1);
+		return NULL;
+	}
+	show_boot_progress (2);
 
-	debug ("before silent fix-up: %s\n", cmdline);
-	if (cmdline) {
-		if ((start = strstr (cmdline, "console=")) != NULL) {
-			end = strchr (start, ' ');
-			strncpy (buf, cmdline, (start - cmdline + 8));
-			if (end)
-				strcpy (buf + (start - cmdline + 8), end);
-			else
-				buf[start - cmdline + 8] = '\0';
-		} else {
-			strcpy (buf, cmdline);
-			strcat (buf, " console=");
+	if (!image_check_hcrc (hdr)) {
+		puts ("Bad Header Checksum\n");
+		show_boot_progress (-2);
+		return NULL;
+	}
+
+	show_boot_progress (3);
+	image_print_contents (hdr);
+
+	if (verify) {
+		puts ("   Verifying Checksum ... ");
+		if (!image_check_dcrc (hdr)) {
+			printf ("Bad Data CRC\n");
+			show_boot_progress (-3);
+			return NULL;
 		}
-	} else {
-		strcpy (buf, "console=");
+		puts ("OK\n");
 	}
+	show_boot_progress (4);
 
-	setenv ("bootargs", buf);
-	debug ("after silent fix-up: %s\n", buf);
+	if (!image_check_target_arch (hdr)) {
+		printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
+		show_boot_progress (-4);
+		return NULL;
+	}
+	return hdr;
 }
-#endif /* CONFIG_SILENT_CONSOLE */
 
-#ifdef CONFIG_PPC
-static void  __attribute__((noinline))
-do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
-		int	argc, char *argv[],
-		ulong	addr,
-		ulong	*len_ptr,
-		int	verify)
+/**
+ * fit_check_kernel - verify FIT format kernel subimage
+ * @fit_hdr: pointer to the FIT image header
+ * os_noffset: kernel subimage node offset within FIT image
+ * @verify: data CRC verification flag
+ *
+ * fit_check_kernel() verifies integrity of the kernel subimage and from
+ * specified FIT image.
+ *
+ * returns:
+ *     1, on success
+ *     0, on failure
+ */
+#if defined (CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify)
 {
-	ulong	sp;
-	ulong	len, checksum;
-	ulong	initrd_start, initrd_end;
-	ulong	cmd_start, cmd_end;
-	ulong	initrd_high;
-	ulong	data;
-	int	initrd_copy_to_ram = 1;
-	char    *cmdline;
-	char	*s;
-	bd_t	*kbd;
-	void	(*kernel)(bd_t *, ulong, ulong, ulong, ulong);
-	image_header_t *hdr = &header;
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	char	*of_flat_tree = NULL;
-	ulong	of_data = 0;
-#endif
+	fit_image_print (fit, os_noffset, "   ");
 
-	if ((s = getenv ("initrd_high")) != NULL) {
-		/* a value of "no" or a similar string will act like 0,
-		 * turning the "load high" feature off. This is intentional.
-		 */
-		initrd_high = simple_strtoul(s, NULL, 16);
-		if (initrd_high == ~0)
-			initrd_copy_to_ram = 0;
-	} else {	/* not set, no restrictions to load high */
-		initrd_high = ~0;
+	if (verify) {
+		puts ("   Verifying Hash Integrity ... ");
+		if (!fit_image_check_hashes (fit, os_noffset)) {
+			puts ("Bad Data Hash\n");
+			show_boot_progress (-104);
+			return 0;
+		}
+		puts ("OK\n");
 	}
+	show_boot_progress (105);
 
 #ifdef CONFIG_LOGBUFFER
 #ifndef CONFIG_ALT_LB_ADDR
@@ -555,525 +438,445 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	debug ("## Logbuffer at 0x%08lX ", CONFIG_ALT_LB_ADDR);
 #endif
 #endif
+	if (!fit_image_check_target_arch (fit, os_noffset)) {
+		puts ("Unsupported Architecture\n");
+		show_boot_progress (-105);
+		return 0;
+	}
 
-	/*
-	 * Booting a (Linux) kernel image
-	 *
-	 * Allocate space for command line and board info - the
-	 * address should be as high as possible within the reach of
-	 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
-	 * memory, which means far enough below the current stack
-	 * pointer.
-	 */
-
-	asm( "mr %0,1": "=r"(sp) : );
-
-	debug ("## Current stack ends at 0x%08lX ", sp);
-
-	sp -= 2048;		/* just to be sure */
-	if (sp > CFG_BOOTMAPSZ)
-		sp = CFG_BOOTMAPSZ;
-	sp &= ~0xF;
-
-	debug ("=> set upper limit to 0x%08lX\n", sp);
-
-	cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
-	kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
-
-	if ((s = getenv("bootargs")) == NULL)
-		s = "";
-
-	strcpy (cmdline, s);
-
-	cmd_start    = (ulong)&cmdline[0];
-	cmd_end      = cmd_start + strlen(cmdline);
-
-	*kbd = *(gd->bd);
+	show_boot_progress (106);
+	if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
+		puts ("Not a kernel image\n");
+		show_boot_progress (-106);
+		return 0;
+	}
 
-#ifdef	DEBUG
-	printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
+	show_boot_progress (107);
+	return 1;
+}
+#endif /* CONFIG_FIT */
 
-	do_bdinfo (NULL, 0, 0, NULL);
+/**
+ * boot_get_kernel - find kernel image
+ * @os_data: pointer to a ulong variable, will hold os data start address
+ * @os_len: pointer to a ulong variable, will hold os data length
+ *
+ * boot_get_kernel() tries to find a kernel image, verifies its integrity
+ * and locates kernel data.
+ *
+ * returns:
+ *     pointer to image header if valid image was found, plus kernel start
+ *     address and length, otherwise NULL
+ */
+static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		bootm_headers_t *images, ulong *os_data, ulong *os_len)
+{
+	image_header_t	*hdr;
+	ulong		img_addr;
+#if defined(CONFIG_FIT)
+	void		*fit_hdr;
+	const char	*fit_uname_config = NULL;
+	const char	*fit_uname_kernel = NULL;
+	const void	*data;
+	size_t		len;
+	int		cfg_noffset;
+	int		os_noffset;
 #endif
 
-	if ((s = getenv ("clocks_in_mhz")) != NULL) {
-		/* convert all clock information to MHz */
-		kbd->bi_intfreq /= 1000000L;
-		kbd->bi_busfreq /= 1000000L;
-#if defined(CONFIG_MPC8220)
-	kbd->bi_inpfreq /= 1000000L;
-	kbd->bi_pcifreq /= 1000000L;
-	kbd->bi_pevfreq /= 1000000L;
-	kbd->bi_flbfreq /= 1000000L;
-	kbd->bi_vcofreq /= 1000000L;
-#endif
-#if defined(CONFIG_CPM2)
-		kbd->bi_cpmfreq /= 1000000L;
-		kbd->bi_brgfreq /= 1000000L;
-		kbd->bi_sccfreq /= 1000000L;
-		kbd->bi_vco     /= 1000000L;
+	/* find out kernel image address */
+	if (argc < 2) {
+		img_addr = load_addr;
+		debug ("*  kernel: default image load address = 0x%08lx\n",
+				load_addr);
+#if defined(CONFIG_FIT)
+	} else if (fit_parse_conf (argv[1], load_addr, &img_addr,
+							&fit_uname_config)) {
+		debug ("*  kernel: config '%s' from image at 0x%08lx\n",
+				fit_uname_config, img_addr);
+	} else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
+							&fit_uname_kernel)) {
+		debug ("*  kernel: subimage '%s' from image at 0x%08lx\n",
+				fit_uname_kernel, img_addr);
 #endif
-#if defined(CONFIG_MPC5xxx)
-		kbd->bi_ipbfreq /= 1000000L;
-		kbd->bi_pcifreq /= 1000000L;
-#endif /* CONFIG_MPC5xxx */
+	} else {
+		img_addr = simple_strtoul(argv[1], NULL, 16);
+		debug ("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
 	}
 
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
-
-	/*
-	 * Check if there is an initrd image
-	 */
+	show_boot_progress (1);
 
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	/* Look for a '-' which indicates to ignore the ramdisk argument */
-	if (argc >= 3 && strcmp(argv[2], "-") ==  0) {
-			debug ("Skipping initrd\n");
-			len = data = 0;
+	/* copy from dataflash if needed */
+	img_addr = genimg_get_image (img_addr);
+
+	/* check image type, for FIT images get FIT kernel node */
+	*os_data = *os_len = 0;
+	switch (genimg_get_format ((void *)img_addr)) {
+	case IMAGE_FORMAT_LEGACY:
+		printf ("## Booting kernel from Legacy Image at %08lx ...\n",
+				img_addr);
+		hdr = image_get_kernel (img_addr, images->verify);
+		if (!hdr)
+			return NULL;
+		show_boot_progress (5);
+
+		/* get os_data and os_len */
+		switch (image_get_type (hdr)) {
+		case IH_TYPE_KERNEL:
+			*os_data = image_get_data (hdr);
+			*os_len = image_get_data_size (hdr);
+			break;
+		case IH_TYPE_MULTI:
+			image_multi_getimg (hdr, 0, os_data, os_len);
+			break;
+		default:
+			printf ("Wrong Image Type for %s command\n", cmdtp->name);
+			show_boot_progress (-5);
+			return NULL;
 		}
-	else
-#endif
-	if (argc >= 3) {
-		debug ("Not skipping initrd\n");
-		show_boot_progress (9);
+		images->legacy_hdr_os = hdr;
+		images->legacy_hdr_valid = 1;
 
-		addr = simple_strtoul(argv[2], NULL, 16);
-
-		printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
-
-		/* Copy header so we can blank CRC field for re-calculation */
-		memmove (&header, (char *)addr, sizeof(image_header_t));
-
-		if (ntohl(hdr->ih_magic)  != IH_MAGIC) {
-			puts ("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset (cmdtp, flag, argc, argv);
+		show_boot_progress (6);
+		break;
+#if defined(CONFIG_FIT)
+	case IMAGE_FORMAT_FIT:
+		fit_hdr = (void *)img_addr;
+		printf ("## Booting kernel from FIT Image at %08lx ...\n",
+				img_addr);
+
+		if (!fit_check_format (fit_hdr)) {
+			puts ("Bad FIT kernel image format!\n");
+			show_boot_progress (-100);
+			return NULL;
 		}
+		show_boot_progress (100);
 
-		data = (ulong)&header;
-		len  = sizeof(image_header_t);
-
-		checksum = ntohl(hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
+		if (!fit_uname_kernel) {
+			/*
+			 * no kernel image node unit name, try to get config
+			 * node first. If config unit node name is NULL
+			 * fit_conf_get_node() will try to find default config node
+			 */
+			show_boot_progress (101);
+			cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+			if (cfg_noffset < 0) {
+				show_boot_progress (-101);
+				return NULL;
+			}
+			/* save configuration uname provided in the first
+			 * bootm argument
+			 */
+			images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
+			printf ("   Using '%s' configuration\n", images->fit_uname_cfg);
+			show_boot_progress (103);
 
-		if (crc32 (0, (uchar *)data, len) != checksum) {
-			puts ("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
+			os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
+			fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
+		} else {
+			/* get kernel component image node offset */
+			show_boot_progress (102);
+			os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
+		}
+		if (os_noffset < 0) {
+			show_boot_progress (-103);
+			return NULL;
 		}
 
-		show_boot_progress (10);
+		printf ("   Trying '%s' kernel subimage\n", fit_uname_kernel);
 
-		print_image_hdr (hdr);
+		show_boot_progress (104);
+		if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
+			return NULL;
 
-		data = addr + sizeof(image_header_t);
-		len  = ntohl(hdr->ih_size);
+		/* get kernel image data address and length */
+		if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
+			puts ("Could not find kernel subimage data!\n");
+			show_boot_progress (-107);
+			return NULL;
+		}
+		show_boot_progress (108);
 
-		if (verify) {
-			ulong csum = 0;
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-			ulong cdata = data, edata = cdata + len;
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+		*os_len = len;
+		*os_data = (ulong)data;
+		images->fit_hdr_os = fit_hdr;
+		images->fit_uname_os = fit_uname_kernel;
+		images->fit_noffset_os = os_noffset;
+		break;
+#endif
+	default:
+		printf ("Wrong Image Format for %s command\n", cmdtp->name);
+		show_boot_progress (-108);
+		return NULL;
+	}
 
-			puts ("   Verifying Checksum ... ");
+	debug ("   kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
+			*os_data, *os_len, *os_len);
 
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+	return (void *)img_addr;
+}
 
-			while (cdata < edata) {
-				ulong chunk = edata - cdata;
+U_BOOT_CMD(
+	bootm,	CFG_MAXARGS,	1,	do_bootm,
+	"bootm   - boot application image from memory\n",
+	"[addr [arg ...]]\n    - boot application image stored in memory\n"
+	"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
+	"\t'arg' can be the address of an initrd image\n"
+#if defined(CONFIG_OF_LIBFDT)
+	"\tWhen booting a Linux kernel which requires a flat device-tree\n"
+	"\ta third argument is required which is the address of the\n"
+	"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
+	"\tuse a '-' for the second argument. If you do not pass a third\n"
+	"\ta bd_info struct will be passed instead\n"
+#endif
+#if defined(CONFIG_FIT)
+	"\t\nFor the new multi component uImage format (FIT) addresses\n"
+	"\tmust be extened to include component or configuration unit name:\n"
+	"\taddr:<subimg_uname> - direct component image specification\n"
+	"\taddr#<conf_uname>   - configuration specification\n"
+	"\tUse iminfo command to get the list of existing component\n"
+	"\timages and configurations.\n"
+#endif
+);
 
-				if (chunk > CHUNKSZ)
-					chunk = CHUNKSZ;
-				csum = crc32 (csum, (uchar *)cdata, chunk);
-				cdata += chunk;
+/*******************************************************************/
+/* bootd - boot default image */
+/*******************************************************************/
+#if defined(CONFIG_CMD_BOOTD)
+int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int rcode = 0;
 
-				WATCHDOG_RESET();
-			}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-			csum = crc32 (0, (uchar *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
-
-			if (csum != ntohl(hdr->ih_dcrc)) {
-				puts ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			puts ("OK\n");
-		}
+#ifndef CFG_HUSH_PARSER
+	if (run_command (getenv ("bootcmd"), flag) < 0)
+		rcode = 1;
+#else
+	if (parse_string_outer (getenv ("bootcmd"),
+			FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
+		rcode = 1;
+#endif
+	return rcode;
+}
 
-		show_boot_progress (11);
+U_BOOT_CMD(
+	boot,	1,	1,	do_bootd,
+	"boot    - boot default, i.e., run 'bootcmd'\n",
+	NULL
+);
 
-		if ((hdr->ih_os   != IH_OS_LINUX)	||
-		    (hdr->ih_arch != IH_CPU_PPC)	||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)	) {
-			puts ("No Linux PPC Ramdisk Image\n");
-			show_boot_progress (-13);
-			do_reset (cmdtp, flag, argc, argv);
-		}
+/* keep old command name "bootd" for backward compatibility */
+U_BOOT_CMD(
+	bootd, 1,	1,	do_bootd,
+	"bootd   - boot default, i.e., run 'bootcmd'\n",
+	NULL
+);
 
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
-		u_long tail    = ntohl(len_ptr[0]) % 4;
-		int i;
-
-		show_boot_progress (13);
-
-		/* skip kernel length and terminator */
-		data = (ulong)(&len_ptr[2]);
-		/* skip any additional image length fields */
-		for (i=1; len_ptr[i]; ++i)
-			data += 4;
-		/* add kernel length, and align */
-		data += ntohl(len_ptr[0]);
-		if (tail) {
-			data += 4 - tail;
-		}
+#endif
 
-		len   = ntohl(len_ptr[1]);
 
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
+/*******************************************************************/
+/* iminfo - print header info for a requested image */
+/*******************************************************************/
+#if defined(CONFIG_CMD_IMI)
+int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int	arg;
+	ulong	addr;
+	int	rcode = 0;
 
-		len = data = 0;
+	if (argc < 2) {
+		return image_info (load_addr);
 	}
 
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	if(argc > 3) {
-		of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
-		hdr = (image_header_t *)of_flat_tree;
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
-#else
-		if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
-#endif
-#ifndef CFG_NO_FLASH
-			if (addr2info((ulong)of_flat_tree) != NULL)
-				of_data = (ulong)of_flat_tree;
-#endif
-		} else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
-			printf("## Flat Device Tree at %08lX\n", hdr);
-			print_image_hdr(hdr);
-
-			if ((ntohl(hdr->ih_load) <  ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
-			   ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
-				puts ("ERROR: fdt overwritten - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
+	for (arg = 1; arg < argc; ++arg) {
+		addr = simple_strtoul (argv[arg], NULL, 16);
+		if (image_info (addr) != 0)
+			rcode = 1;
+	}
+	return rcode;
+}
 
-			puts ("   Verifying Checksum ... ");
-			memmove (&header, (char *)hdr, sizeof(image_header_t));
-			checksum = ntohl(header.ih_hcrc);
-			header.ih_hcrc = 0;
+static int image_info (ulong addr)
+{
+	void *hdr = (void *)addr;
 
-			if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
-				puts ("ERROR: fdt header checksum invalid - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
+	printf ("\n## Checking Image at %08lx ...\n", addr);
 
-			checksum = ntohl(hdr->ih_dcrc);
-			addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
+	switch (genimg_get_format (hdr)) {
+	case IMAGE_FORMAT_LEGACY:
+		puts ("   Legacy image found\n");
+		if (!image_check_magic (hdr)) {
+			puts ("   Bad Magic Number\n");
+			return 1;
+		}
 
-			if(checksum != crc32(0, (uchar *)addr, ntohl(hdr->ih_size))) {
-				puts ("ERROR: fdt checksum invalid - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			puts ("OK\n");
+		if (!image_check_hcrc (hdr)) {
+			puts ("   Bad Header Checksum\n");
+			return 1;
+		}
 
-			if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
-				puts ("ERROR: uImage is not a fdt - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
-				puts ("ERROR: uImage is compressed - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-#if defined(CONFIG_OF_FLAT_TREE)
-			if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
-#else
-			if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
-#endif
-				puts ("ERROR: uImage data is not a fdt - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
+		image_print_contents (hdr);
 
-			memmove((void *)ntohl(hdr->ih_load),
-		       		(void *)(of_flat_tree + sizeof(image_header_t)),
-				ntohl(hdr->ih_size));
-			of_flat_tree = (char *)ntohl(hdr->ih_load);
-		} else {
-			puts ("Did not find a flat Flat Device Tree.\n"
-				"Must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-		printf ("   Booting using the fdt at 0x%x\n",
-				of_flat_tree);
-	} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
-		u_long tail    = ntohl(len_ptr[0]) % 4;
-		int i;
-
-		/* skip kernel length, initrd length, and terminator */
-		of_flat_tree = (char *)(&len_ptr[3]);
-		/* skip any additional image length fields */
-		for (i=2; len_ptr[i]; ++i)
-			of_flat_tree += 4;
-		/* add kernel length, and align */
-		of_flat_tree += ntohl(len_ptr[0]);
-		if (tail) {
-			of_flat_tree += 4 - tail;
+		puts ("   Verifying Checksum ... ");
+		if (!image_check_dcrc (hdr)) {
+			puts ("   Bad Data CRC\n");
+			return 1;
 		}
+		puts ("OK\n");
+		return 0;
+#if defined(CONFIG_FIT)
+	case IMAGE_FORMAT_FIT:
+		puts ("   FIT image found\n");
 
-		/* add initrd length, and align */
-		tail = ntohl(len_ptr[1]) % 4;
-		of_flat_tree += ntohl(len_ptr[1]);
-		if (tail) {
-			of_flat_tree += 4 - tail;
+		if (!fit_check_format (hdr)) {
+			puts ("Bad FIT image format!\n");
+			return 1;
 		}
 
-#ifndef CFG_NO_FLASH
-		/* move the blob if it is in flash (set of_data to !null) */
-		if (addr2info ((ulong)of_flat_tree) != NULL)
-			of_data = (ulong)of_flat_tree;
+		fit_print_contents (hdr);
+		return 0;
 #endif
+	default:
+		puts ("Unknown image format!\n");
+		break;
+	}
 
+	return 1;
+}
 
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
-#else
-		if (fdt_check_header (of_flat_tree) != 0) {
+U_BOOT_CMD(
+	iminfo,	CFG_MAXARGS,	1,	do_iminfo,
+	"iminfo  - print header information for application image\n",
+	"addr [addr ...]\n"
+	"    - print header information for application image starting at\n"
+	"      address 'addr' in memory; this includes verification of the\n"
+	"      image contents (magic number, header and payload checksums)\n"
+);
 #endif
-			puts ("ERROR: image is not a fdt - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
 
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (((struct boot_param_header *)of_flat_tree)->totalsize !=
-			ntohl (len_ptr[2])) {
-#else
-		if (be32_to_cpu (fdt_totalsize (of_flat_tree)) !=
-			ntohl(len_ptr[2])) {
-#endif
-			puts ("ERROR: fdt size != image size - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-	}
-#endif
-	if (!data) {
-		debug ("No initrd\n");
-	}
 
-	if (data) {
-	    if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	    } else {
-		initrd_start  = (ulong)kbd - len;
-		initrd_start &= ~(4096 - 1);	/* align on page */
+/*******************************************************************/
+/* imls - list all images found in flash */
+/*******************************************************************/
+#if defined(CONFIG_CMD_IMLS)
+int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	flash_info_t *info;
+	int i, j;
+	void *hdr;
+
+	for (i = 0, info = &flash_info[0];
+		i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
 
-		if (initrd_high) {
-			ulong nsp;
+		if (info->flash_id == FLASH_UNKNOWN)
+			goto next_bank;
+		for (j = 0; j < info->sector_count; ++j) {
 
-			/*
-			 * the inital ramdisk does not need to be within
-			 * CFG_BOOTMAPSZ as it is not accessed until after
-			 * the mm system is initialised.
-			 *
-			 * do the stack bottom calculation again and see if
-			 * the initrd will fit just below the monitor stack
-			 * bottom without overwriting the area allocated
-			 * above for command line args and board info.
-			 */
-			asm( "mr %0,1": "=r"(nsp) : );
-			nsp -= 2048;		/* just to be sure */
-			nsp &= ~0xF;
-			if (nsp > initrd_high)	/* limit as specified */
-				nsp = initrd_high;
-			nsp -= len;
-			nsp &= ~(4096 - 1);	/* align on page */
-			if (nsp >= sp)
-				initrd_start = nsp;
-		}
+			hdr = (void *)info->start[j];
+			if (!hdr)
+				goto next_sector;
 
-		show_boot_progress (12);
-
-		debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			data, data + len - 1, len, len);
-
-		initrd_end    = initrd_start + len;
-		printf ("   Loading Ramdisk to %08lx, end %08lx ... ",
-			initrd_start, initrd_end);
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-		{
-			size_t l = len;
-			void *to = (void *)initrd_start;
-			void *from = (void *)data;
-
-			while (l > 0) {
-				size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
-				WATCHDOG_RESET();
-				memmove (to, from, tail);
-				to += tail;
-				from += tail;
-				l -= tail;
+			switch (genimg_get_format (hdr)) {
+			case IMAGE_FORMAT_LEGACY:
+				if (!image_check_hcrc (hdr))
+					goto next_sector;
+
+				printf ("Legacy Image at %08lX:\n", (ulong)hdr);
+				image_print_contents (hdr);
+
+				puts ("   Verifying Checksum ... ");
+				if (!image_check_dcrc (hdr)) {
+					puts ("Bad Data CRC\n");
+				} else {
+					puts ("OK\n");
+				}
+				break;
+#if defined(CONFIG_FIT)
+			case IMAGE_FORMAT_FIT:
+				if (!fit_check_format (hdr))
+					goto next_sector;
+
+				printf ("FIT Image at %08lX:\n", (ulong)hdr);
+				fit_print_contents (hdr);
+				break;
+#endif
+			default:
+				goto next_sector;
 			}
+
+next_sector:		;
 		}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-		memmove ((void *)initrd_start, (void *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
-		puts ("OK\n");
-	    }
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
+next_bank:	;
 	}
 
-#if defined(CONFIG_OF_LIBFDT)
+	return (0);
+}
 
-#ifdef CFG_BOOTMAPSZ
-	/*
-	 * The blob must be within CFG_BOOTMAPSZ,
-	 * so we flag it to be copied if it is not.
-	 */
-	if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
-		of_data = (ulong)of_flat_tree;
+U_BOOT_CMD(
+	imls,	1,		1,	do_imls,
+	"imls    - list all images found in flash\n",
+	"\n"
+	"    - Prints information about all images found at sector\n"
+	"      boundaries in flash.\n"
+);
 #endif
 
-	/* move of_flat_tree if needed */
-	if (of_data) {
-		int err;
-		ulong of_start, of_len;
-
-		of_len = be32_to_cpu(fdt_totalsize(of_data));
-
-		/* position on a 4K boundary before the kbd */
-		of_start  = (ulong)kbd - of_len;
-		of_start &= ~(4096 - 1);	/* align on page */
-		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			of_data, of_data + of_len - 1, of_len, of_len);
-
-		of_flat_tree = (char *)of_start;
-		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
-			of_start, of_start + of_len - 1);
-		err = fdt_open_into((void *)of_data, (void *)of_start, of_len);
-		if (err != 0) {
-			puts ("ERROR: fdt move failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-		puts ("OK\n");
-	}
-	/*
-	 * Add the chosen node if it doesn't exist, add the env and bd_t
-	 * if the user wants it (the logic is in the subroutines).
-	 */
-	if (of_flat_tree) {
-		if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
-			puts ("ERROR: /chosen node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
+/*******************************************************************/
+/* helper routines */
+/*******************************************************************/
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux ()
+{
+	char buf[256], *start, *end;
+	char *cmdline = getenv ("bootargs");
+
+	/* Only fix cmdline when requested */
+	if (!(gd->flags & GD_FLG_SILENT))
+		return;
+
+	debug ("before silent fix-up: %s\n", cmdline);
+	if (cmdline) {
+		if ((start = strstr (cmdline, "console=")) != NULL) {
+			end = strchr (start, ' ');
+			strncpy (buf, cmdline, (start - cmdline + 8));
+			if (end)
+				strcpy (buf + (start - cmdline + 8), end);
+			else
+				buf[start - cmdline + 8] = '\0';
+		} else {
+			strcpy (buf, cmdline);
+			strcat (buf, " console=");
 		}
-#ifdef CONFIG_OF_BOARD_SETUP
-		/* Call the board-specific fixup routine */
-		ft_board_setup(of_flat_tree, gd->bd);
-#endif
+	} else {
+		strcpy (buf, "console=");
 	}
-#endif /* CONFIG_OF_LIBFDT */
-#if defined(CONFIG_OF_FLAT_TREE)
-#ifdef CFG_BOOTMAPSZ
-	/*
-	 * The blob must be within CFG_BOOTMAPSZ,
-	 * so we flag it to be copied if it is not.
-	 */
-	if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
-		of_data = (ulong)of_flat_tree;
-#endif
 
-	/* move of_flat_tree if needed */
-	if (of_data) {
-		ulong of_start, of_len;
-		of_len = ((struct boot_param_header *)of_data)->totalsize;
-
-		/* provide extra 8k pad */
-		of_start  = (ulong)kbd - of_len - 8192;
-		of_start &= ~(4096 - 1);	/* align on page */
-		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			of_data, of_data + of_len - 1, of_len, of_len);
-
-		of_flat_tree = (char *)of_start;
-		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
-			of_start, of_start + of_len - 1);
-		memmove ((void *)of_start, (void *)of_data, of_len);
-		puts ("OK\n");
-	}
-	/*
-	 * Create the /chosen node and modify the blob with board specific
-	 * values as needed.
-	 */
-	ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
-	/* ft_dump_blob(of_flat_tree); */
-#endif
-	debug ("## Transferring control to Linux (at address %08lx) ...\n",
-		(ulong)kernel);
+	setenv ("bootargs", buf);
+	debug ("after silent fix-up: %s\n", buf);
+}
+#endif /* CONFIG_SILENT_CONSOLE */
 
-	show_boot_progress (15);
 
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
-	unlock_ram_in_cache();
-#endif
+/*******************************************************************/
+/* OS booting routines */
+/*******************************************************************/
 
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	if (of_flat_tree) {	/* device tree; boot new style */
-		/*
-		 * Linux Kernel Parameters (passing device tree):
-		 *   r3: pointer to the fdt, followed by the board info data
-		 *   r4: physical pointer to the kernel itself
-		 *   r5: NULL
-		 *   r6: NULL
-		 *   r7: NULL
-		 */
-		(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
-		/* does not return */
+static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
+			    int argc, char *argv[],
+			    bootm_headers_t *images)
+{
+	void (*loader)(bd_t *, image_header_t *, char *, char *);
+	image_header_t *os_hdr, *hdr;
+	ulong kernel_data, kernel_len;
+	char *consdev;
+	char *cmdline;
+
+#if defined(CONFIG_FIT)
+	if (!images->legacy_hdr_valid) {
+		fit_unsupported_reset ("NetBSD");
+		do_reset (cmdtp, flag, argc, argv);
 	}
 #endif
-	/*
-	 * Linux Kernel Parameters (passing board info data):
-	 *   r3: ptr to board info data
-	 *   r4: initrd_start or 0 if no initrd
-	 *   r5: initrd_end - unused if r4 is 0
-	 *   r6: Start of command line string
-	 *   r7: End   of command line string
-	 */
-	(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
-	/* does not return */
-}
-#endif /* CONFIG_PPC */
-
-static void
-do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
-		int	argc, char *argv[],
-		ulong	addr,
-		ulong	*len_ptr,
-		int	verify)
-{
-	image_header_t *hdr = &header;
-
-	void	(*loader)(bd_t *, image_header_t *, char *, char *);
-	image_header_t *img_addr;
-	char     *consdev;
-	char     *cmdline;
-
+	hdr = images->legacy_hdr_os;
 
 	/*
 	 * Booting a (NetBSD) kernel image
@@ -1086,11 +889,12 @@ do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 	 * line, the name of the console device, and (optionally) the
 	 * address of the original image header.
 	 */
-
-	img_addr = 0;
-	if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
-		img_addr = (image_header_t *) addr;
-
+	os_hdr = NULL;
+	if (image_check_type (hdr, IH_TYPE_MULTI)) {
+		image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
+		if (kernel_len)
+			os_hdr = hdr;
+	}
 
 	consdev = "";
 #if   defined (CONFIG_8xx_CONS_SMC1)
@@ -1107,21 +911,21 @@ do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 		ulong len;
 		int   i;
 
-		for (i=2, len=0 ; i<argc ; i+=1)
+		for (i = 2, len = 0; i < argc; i += 1)
 			len += strlen (argv[i]) + 1;
 		cmdline = malloc (len);
 
-		for (i=2, len=0 ; i<argc ; i+=1) {
+		for (i = 2, len = 0; i < argc; i += 1) {
 			if (i > 2)
 				cmdline[len++] = ' ';
 			strcpy (&cmdline[len], argv[i]);
 			len += strlen (argv[i]);
 		}
-	} else if ((cmdline = getenv("bootargs")) == NULL) {
+	} else if ((cmdline = getenv ("bootargs")) == NULL) {
 		cmdline = "";
 	}
 
-	loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
+	loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
 
 	printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
 		(ulong)loader);
@@ -1135,20 +939,101 @@ do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 	 *   r5: console device
 	 *   r6: boot args string
 	 */
-	(*loader) (gd->bd, img_addr, consdev, cmdline);
+	(*loader) (gd->bd, os_hdr, consdev, cmdline);
 }
 
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
+#ifdef CONFIG_LYNXKDI
+static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
+			     int argc, char *argv[],
+			     bootm_headers_t *images)
+{
+	image_header_t *hdr = images->legacy_hdr_os;
 
-/* Function that returns a character from the environment */
-extern uchar (*env_get_char)(int);
+#if defined(CONFIG_FIT)
+	if (!images->legacy_hdr_valid) {
+		fit_unsupported_reset ("Lynx");
+		do_reset (cmdtp, flag, argc, argv);
+	}
+#endif
 
-static void
-do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
-		int	argc, char *argv[],
-		ulong	addr,
-		ulong	*len_ptr,
-		int	verify)
+	lynxkdi_boot ((image_header_t *)hdr);
+}
+#endif /* CONFIG_LYNXKDI */
+
+static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
+			   int argc, char *argv[],
+			   bootm_headers_t *images)
+{
+	image_header_t *hdr = images->legacy_hdr_os;
+	void (*entry_point)(bd_t *);
+
+#if defined(CONFIG_FIT)
+	if (!images->legacy_hdr_valid) {
+		fit_unsupported_reset ("RTEMS");
+		do_reset (cmdtp, flag, argc, argv);
+	}
+#endif
+
+	entry_point = (void (*)(bd_t *))image_get_ep (hdr);
+
+	printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
+		(ulong)entry_point);
+
+	show_boot_progress (15);
+
+	/*
+	 * RTEMS Parameters:
+	 *   r3: ptr to board info data
+	 */
+	(*entry_point)(gd->bd);
+}
+
+#if defined(CONFIG_CMD_ELF)
+static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
+			     int argc, char *argv[],
+			     bootm_headers_t *images)
+{
+	char str[80];
+	image_header_t *hdr = images->legacy_hdr_os;
+
+#if defined(CONFIG_FIT)
+	if (hdr == NULL) {
+		fit_unsupported_reset ("VxWorks");
+		do_reset (cmdtp, flag, argc, argv);
+	}
+#endif
+
+	sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
+	setenv("loadaddr", str);
+	do_bootvx(cmdtp, 0, 0, NULL);
+}
+
+static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
+			    int argc, char *argv[],
+			    bootm_headers_t *images)
+{
+	char *local_args[2];
+	char str[16];
+	image_header_t *hdr = images->legacy_hdr_os;
+
+#if defined(CONFIG_FIT)
+	if (!images->legacy_hdr_valid) {
+		fit_unsupported_reset ("QNX");
+		do_reset (cmdtp, flag, argc, argv);
+	}
+#endif
+
+	sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
+	local_args[0] = argv[0];
+	local_args[1] = str;	/* and provide it via the arguments */
+	do_bootelf(cmdtp, 0, 2, local_args);
+}
+#endif
+
+#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
+static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
+			   int argc, char *argv[],
+			   bootm_headers_t *images)
 {
 	ulong top;
 	char *s, *cmdline;
@@ -1156,7 +1041,14 @@ do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	int i, j, nxt, len, envno, envsz;
 	bd_t *kbd;
 	void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
-	image_header_t *hdr = &header;
+	image_header_t *hdr = images->legacy_hdr_os;
+
+#if defined(CONFIG_FIT)
+	if (!images->legacy_hdr_valid) {
+		fit_unsupported_reset ("ARTOS");
+		do_reset (cmdtp, flag, argc, argv);
+	}
+#endif
 
 	/*
 	 * Booting an ARTOS kernel image + application
@@ -1177,27 +1069,27 @@ do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	debug ("=> set upper limit to 0x%08lX\n", top);
 
 	/* first check the artos specific boot args, then the linux args*/
-	if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
+	if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
 		s = "";
 
 	/* get length of cmdline, and place it */
-	len = strlen(s);
+	len = strlen (s);
 	top = (top - (len + 1)) & ~0xF;
 	cmdline = (char *)top;
 	debug ("## cmdline at 0x%08lX ", top);
-	strcpy(cmdline, s);
+	strcpy (cmdline, s);
 
 	/* copy bdinfo */
-	top = (top - sizeof(bd_t)) & ~0xF;
+	top = (top - sizeof (bd_t)) & ~0xF;
 	debug ("## bd at 0x%08lX ", top);
 	kbd = (bd_t *)top;
-	memcpy(kbd, gd->bd, sizeof(bd_t));
+	memcpy (kbd, gd->bd, sizeof (bd_t));
 
 	/* first find number of env entries, and their size */
 	envno = 0;
 	envsz = 0;
-	for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
-		for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
+	for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+		for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
 			;
 		envno++;
 		envsz += (nxt - i) + 1;	/* plus trailing zero */
@@ -1205,7 +1097,7 @@ do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	envno++;	/* plus the terminating zero */
 	debug ("## %u envvars total size %u ", envno, envsz);
 
-	top = (top - sizeof(char **)*envno) & ~0xF;
+	top = (top - sizeof (char **) * envno) & ~0xF;
 	fwenv = (char **)top;
 	debug ("## fwenv at 0x%08lX ", top);
 
@@ -1214,428 +1106,17 @@ do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	ss = fwenv;
 
 	/* now copy them */
-	for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
-		for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
+	for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+		for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
 			;
 		*ss++ = s;
 		for (j = i; j < nxt; ++j)
-			*s++ = env_get_char(j);
+			*s++ = env_get_char (j);
 		*s++ = '\0';
 	}
 	*ss++ = NULL;	/* terminate */
 
-	entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
-	(*entry)(kbd, cmdline, fwenv, top);
-}
-#endif
-
-
-#if defined(CONFIG_CMD_BOOTD)
-int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	int rcode = 0;
-#ifndef CFG_HUSH_PARSER
-	if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
-#else
-	if (parse_string_outer(getenv("bootcmd"),
-		FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
-#endif
-	return rcode;
-}
-
-U_BOOT_CMD(
- 	boot,	1,	1,	do_bootd,
- 	"boot    - boot default, i.e., run 'bootcmd'\n",
-	NULL
-);
-
-/* keep old command name "bootd" for backward compatibility */
-U_BOOT_CMD(
- 	bootd, 1,	1,	do_bootd,
- 	"bootd   - boot default, i.e., run 'bootcmd'\n",
-	NULL
-);
-
-#endif
-
-#if defined(CONFIG_CMD_IMI)
-int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	int	arg;
-	ulong	addr;
-	int     rcode=0;
-
-	if (argc < 2) {
-		return image_info (load_addr);
-	}
-
-	for (arg=1; arg <argc; ++arg) {
-		addr = simple_strtoul(argv[arg], NULL, 16);
-		if (image_info (addr) != 0) rcode = 1;
-	}
-	return rcode;
-}
-
-static int image_info (ulong addr)
-{
-	ulong	data, len, checksum;
-	image_header_t *hdr = &header;
-
-	printf ("\n## Checking Image at %08lx ...\n", addr);
-
-	/* Copy header so we can blank CRC field for re-calculation */
-	memmove (&header, (char *)addr, sizeof(image_header_t));
-
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
-		puts ("   Bad Magic Number\n");
-		return 1;
-	}
-
-	data = (ulong)&header;
-	len  = sizeof(image_header_t);
-
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)data, len) != checksum) {
-		puts ("   Bad Header Checksum\n");
-		return 1;
-	}
-
-	/* for multi-file images we need the data part, too */
-	print_image_hdr ((image_header_t *)addr);
-
-	data = addr + sizeof(image_header_t);
-	len  = ntohl(hdr->ih_size);
-
-	puts ("   Verifying Checksum ... ");
-	if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
-		puts ("   Bad Data CRC\n");
-		return 1;
-	}
-	puts ("OK\n");
-	return 0;
+	entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
+	(*entry) (kbd, cmdline, fwenv, top);
 }
-
-U_BOOT_CMD(
-	iminfo,	CFG_MAXARGS,	1,	do_iminfo,
-	"iminfo  - print header information for application image\n",
-	"addr [addr ...]\n"
-	"    - print header information for application image starting at\n"
-	"      address 'addr' in memory; this includes verification of the\n"
-	"      image contents (magic number, header and payload checksums)\n"
-);
-
 #endif
-
-#if defined(CONFIG_CMD_IMLS)
-/*-----------------------------------------------------------------------
- * List all images found in flash.
- */
-int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	flash_info_t *info;
-	int i, j;
-	image_header_t *hdr;
-	ulong data, len, checksum;
-
-	for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
-		if (info->flash_id == FLASH_UNKNOWN)
-			goto next_bank;
-		for (j=0; j<info->sector_count; ++j) {
-
-			if (!(hdr=(image_header_t *)info->start[j]) ||
-			    (ntohl(hdr->ih_magic) != IH_MAGIC))
-				goto next_sector;
-
-			/* Copy header so we can blank CRC field for re-calculation */
-			memmove (&header, (char *)hdr, sizeof(image_header_t));
-
-			checksum = ntohl(header.ih_hcrc);
-			header.ih_hcrc = 0;
-
-			if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
-			    != checksum)
-				goto next_sector;
-
-			printf ("Image at %08lX:\n", (ulong)hdr);
-			print_image_hdr( hdr );
-
-			data = (ulong)hdr + sizeof(image_header_t);
-			len  = ntohl(hdr->ih_size);
-
-			puts ("   Verifying Checksum ... ");
-			if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
-				puts ("   Bad Data CRC\n");
-			}
-			puts ("OK\n");
-next_sector:		;
-		}
-next_bank:	;
-	}
-
-	return (0);
-}
-
-U_BOOT_CMD(
-	imls,	1,		1,	do_imls,
-	"imls    - list all images found in flash\n",
-	"\n"
-	"    - Prints information about all images found at sector\n"
-	"      boundaries in flash.\n"
-);
-#endif
-
-void
-print_image_hdr (image_header_t *hdr)
-{
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
-	time_t timestamp = (time_t)ntohl(hdr->ih_time);
-	struct rtc_time tm;
-#endif
-
-	printf ("   Image Name:   %.*s\n", IH_NMLEN, hdr->ih_name);
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
-	to_tm (timestamp, &tm);
-	printf ("   Created:      %4d-%02d-%02d  %2d:%02d:%02d UTC\n",
-		tm.tm_year, tm.tm_mon, tm.tm_mday,
-		tm.tm_hour, tm.tm_min, tm.tm_sec);
-#endif
-	puts ("   Image Type:   "); print_type(hdr);
-	printf ("\n   Data Size:    %d Bytes = ", ntohl(hdr->ih_size));
-	print_size (ntohl(hdr->ih_size), "\n");
-	printf ("   Load Address: %08x\n"
-		"   Entry Point:  %08x\n",
-		 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
-
-	if (hdr->ih_type == IH_TYPE_MULTI) {
-		int i;
-		ulong len;
-		ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
-
-		puts ("   Contents:\n");
-		for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
-			printf ("   Image %d: %8ld Bytes = ", i, len);
-			print_size (len, "\n");
-		}
-	}
-}
-
-
-static void
-print_type (image_header_t *hdr)
-{
-	char *os, *arch, *type, *comp;
-
-	switch (hdr->ih_os) {
-	case IH_OS_INVALID:	os = "Invalid OS";		break;
-	case IH_OS_NETBSD:	os = "NetBSD";			break;
-	case IH_OS_LINUX:	os = "Linux";			break;
-	case IH_OS_VXWORKS:	os = "VxWorks";			break;
-	case IH_OS_QNX:		os = "QNX";			break;
-	case IH_OS_U_BOOT:	os = "U-Boot";			break;
-	case IH_OS_RTEMS:	os = "RTEMS";			break;
-#ifdef CONFIG_ARTOS
-	case IH_OS_ARTOS:	os = "ARTOS";			break;
-#endif
-#ifdef CONFIG_LYNXKDI
-	case IH_OS_LYNXOS:	os = "LynxOS";			break;
-#endif
-	default:		os = "Unknown OS";		break;
-	}
-
-	switch (hdr->ih_arch) {
-	case IH_CPU_INVALID:	arch = "Invalid CPU";		break;
-	case IH_CPU_ALPHA:	arch = "Alpha";			break;
-	case IH_CPU_ARM:	arch = "ARM";			break;
-	case IH_CPU_AVR32:	arch = "AVR32";			break;
-	case IH_CPU_BLACKFIN:	arch = "Blackfin";		break;
-	case IH_CPU_I386:	arch = "Intel x86";		break;
-	case IH_CPU_IA64:	arch = "IA64";			break;
-	case IH_CPU_M68K:	arch = "M68K"; 			break;
-	case IH_CPU_MICROBLAZE:	arch = "Microblaze"; 		break;
-	case IH_CPU_MIPS64:	arch = "MIPS 64 Bit";		break;
-	case IH_CPU_MIPS:	arch = "MIPS";			break;
-	case IH_CPU_NIOS2:	arch = "Nios-II";		break;
-	case IH_CPU_NIOS:	arch = "Nios";			break;
-	case IH_CPU_PPC:	arch = "PowerPC";		break;
-	case IH_CPU_S390:	arch = "IBM S390";		break;
-	case IH_CPU_SH:		arch = "SuperH";		break;
-	case IH_CPU_SPARC64:	arch = "SPARC 64 Bit";		break;
-	case IH_CPU_SPARC:	arch = "SPARC";			break;
-	default:		arch = "Unknown Architecture";	break;
-	}
-
-	switch (hdr->ih_type) {
-	case IH_TYPE_INVALID:	type = "Invalid Image";		break;
-	case IH_TYPE_STANDALONE:type = "Standalone Program";	break;
-	case IH_TYPE_KERNEL:	type = "Kernel Image";		break;
-	case IH_TYPE_RAMDISK:	type = "RAMDisk Image";		break;
-	case IH_TYPE_MULTI:	type = "Multi-File Image";	break;
-	case IH_TYPE_FIRMWARE:	type = "Firmware";		break;
-	case IH_TYPE_SCRIPT:	type = "Script";		break;
-	case IH_TYPE_FLATDT:	type = "Flat Device Tree";	break;
-	default:		type = "Unknown Image";		break;
-	}
-
-	switch (hdr->ih_comp) {
-	case IH_COMP_NONE:	comp = "uncompressed";		break;
-	case IH_COMP_GZIP:	comp = "gzip compressed";	break;
-	case IH_COMP_BZIP2:	comp = "bzip2 compressed";	break;
-	default:		comp = "unknown compression";	break;
-	}
-
-	printf ("%s %s %s (%s)", arch, os, type, comp);
-}
-
-#define	ZALLOC_ALIGNMENT	16
-
-static void *zalloc(void *x, unsigned items, unsigned size)
-{
-	void *p;
-
-	size *= items;
-	size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
-
-	p = malloc (size);
-
-	return (p);
-}
-
-static void zfree(void *x, void *addr, unsigned nb)
-{
-	free (addr);
-}
-
-#define HEAD_CRC	2
-#define EXTRA_FIELD	4
-#define ORIG_NAME	8
-#define COMMENT		0x10
-#define RESERVED	0xe0
-
-#define DEFLATED	8
-
-int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
-{
-	z_stream s;
-	int r, i, flags;
-
-	/* skip header */
-	i = 10;
-	flags = src[3];
-	if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
-		puts ("Error: Bad gzipped data\n");
-		return (-1);
-	}
-	if ((flags & EXTRA_FIELD) != 0)
-		i = 12 + src[10] + (src[11] << 8);
-	if ((flags & ORIG_NAME) != 0)
-		while (src[i++] != 0)
-			;
-	if ((flags & COMMENT) != 0)
-		while (src[i++] != 0)
-			;
-	if ((flags & HEAD_CRC) != 0)
-		i += 2;
-	if (i >= *lenp) {
-		puts ("Error: gunzip out of data in header\n");
-		return (-1);
-	}
-
-	s.zalloc = zalloc;
-	s.zfree = zfree;
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-	s.outcb = (cb_func)WATCHDOG_RESET;
-#else
-	s.outcb = Z_NULL;
-#endif	/* CONFIG_HW_WATCHDOG */
-
-	r = inflateInit2(&s, -MAX_WBITS);
-	if (r != Z_OK) {
-		printf ("Error: inflateInit2() returned %d\n", r);
-		return (-1);
-	}
-	s.next_in = src + i;
-	s.avail_in = *lenp - i;
-	s.next_out = dst;
-	s.avail_out = dstlen;
-	r = inflate(&s, Z_FINISH);
-	if (r != Z_OK && r != Z_STREAM_END) {
-		printf ("Error: inflate() returned %d\n", r);
-		return (-1);
-	}
-	*lenp = s.next_out - (unsigned char *) dst;
-	inflateEnd(&s);
-
-	return (0);
-}
-
-#ifdef CONFIG_BZIP2
-void bz_internal_error(int errcode)
-{
-	printf ("BZIP2 internal error %d\n", errcode);
-}
-#endif /* CONFIG_BZIP2 */
-
-static void
-do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		ulong addr, ulong *len_ptr, int verify)
-{
-	image_header_t *hdr = &header;
-	void	(*entry_point)(bd_t *);
-
-	entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
-
-	printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
-		(ulong)entry_point);
-
-	show_boot_progress (15);
-
-	/*
-	 * RTEMS Parameters:
-	 *   r3: ptr to board info data
-	 */
-
-	(*entry_point ) ( gd->bd );
-}
-
-#if defined(CONFIG_CMD_ELF)
-static void
-do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		  ulong addr, ulong *len_ptr, int verify)
-{
-	image_header_t *hdr = &header;
-	char str[80];
-
-	sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
-	setenv("loadaddr", str);
-	do_bootvx(cmdtp, 0, 0, NULL);
-}
-
-static void
-do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		 ulong addr, ulong *len_ptr, int verify)
-{
-	image_header_t *hdr = &header;
-	char *local_args[2];
-	char str[16];
-
-	sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
-	local_args[0] = argv[0];
-	local_args[1] = str;	/* and provide it via the arguments */
-	do_bootelf(cmdtp, 0, 2, local_args);
-}
-#endif
-
-#ifdef CONFIG_LYNXKDI
-static void
-do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
-		 int	argc, char *argv[],
-		 ulong	addr,
-		 ulong	*len_ptr,
-		 int	verify)
-{
-	lynxkdi_boot( &header );
-}
-
-#endif /* CONFIG_LYNXKDI */