Merge branch 'master' of /home/git/u-boot
diff --git a/Makefile b/Makefile
index a731ee8..e46ea85 100644
--- a/Makefile
+++ b/Makefile
@@ -2921,7 +2921,8 @@
 	@rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS
 	@rm -fr $(obj)*.*~
 	@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
-	@rm -f $(obj)tools/crc32.c $(obj)tools/environment.c $(obj)tools/env/crc32.c $(obj)tools/sha1.c
+	@rm -f $(obj)tools/crc32.c $(obj)tools/environment.c $(obj)tools/env/crc32.c
+	@rm -f $(obj)tools/sha1.c $(obj)tools/image.c
 	@rm -f $(obj)tools/inca-swap-bytes $(obj)cpu/mpc824x/bedbug_603e.c
 	@rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -lname "*" -print | xargs rm -f
diff --git a/board/cray/L1/L1.c b/board/cray/L1/L1.c
index a0fac7f..8e6d74e 100644
--- a/board/cray/L1/L1.c
+++ b/board/cray/L1/L1.c
@@ -139,8 +139,8 @@
 	struct rtc_time tm;
 	char bootcmd[32];
 
-	hdr = (image_header_t *) (CFG_MONITOR_BASE - sizeof (image_header_t));
-	timestamp = (time_t) hdr->ih_time;
+	hdr = (image_header_t *) (CFG_MONITOR_BASE - image_get_header_size ());
+	timestamp = (time_t)image_get_time (hdr);
 	to_tm (timestamp, &tm);
 	printf ("Welcome to U-Boot on Cray L1. Compiled %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);
 
diff --git a/board/esd/common/auto_update.c b/board/esd/common/auto_update.c
index a76b00f..cb8087b 100644
--- a/board/esd/common/auto_update.c
+++ b/board/esd/common/auto_update.c
@@ -89,24 +89,22 @@
 int au_check_cksum_valid(int i, long nbytes)
 {
 	image_header_t *hdr;
-	unsigned long checksum;
 
 	hdr = (image_header_t *)LOAD_ADDR;
 
-	if ((au_image[i].type == AU_FIRMWARE) && (au_image[i].size != ntohl(hdr->ih_size))) {
+	if ((au_image[i].type == AU_FIRMWARE) &&
+	    (au_image[i].size != image_get_data_size (hdr))) {
 		printf ("Image %s has wrong size\n", au_image[i].name);
 		return -1;
 	}
 
-	if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size))) {
+	if (nbytes != (image_get_image_size (hdr))) {
 		printf ("Image %s bad total SIZE\n", au_image[i].name);
 		return -1;
 	}
-	/* check the data CRC */
-	checksum = ntohl(hdr->ih_dcrc);
 
-	if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
-		!= checksum) {
+	/* check the data CRC */
+	if (!image_check_dcrc (hdr)) {
 		printf ("Image %s bad data checksum\n", au_image[i].name);
 		return -1;
 	}
@@ -123,48 +121,43 @@
 	/* check the easy ones first */
 #undef CHECK_VALID_DEBUG
 #ifdef CHECK_VALID_DEBUG
-	printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
-	printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_PPC);
-	printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
-	printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
+	printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
+	printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_PPC);
+	printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
+	printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
 #endif
-	if (nbytes < sizeof(*hdr))
+	if (nbytes < image_get_header_size ())
 	{
 		printf ("Image %s bad header SIZE\n", au_image[i].name);
 		return -1;
 	}
-	if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_PPC)
+	if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC))
 	{
 		printf ("Image %s bad MAGIC or ARCH\n", au_image[i].name);
 		return -1;
 	}
-	/* check the hdr CRC */
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		printf ("Image %s bad header checksum\n", au_image[i].name);
 		return -1;
 	}
-	hdr->ih_hcrc = htonl(checksum);
 
 	/* check the type - could do this all in one gigantic if() */
-	if ((au_image[i].type == AU_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
+	if ((au_image[i].type == AU_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 		printf ("Image %s wrong type\n", au_image[i].name);
 		return -1;
 	}
-	if ((au_image[i].type == AU_SCRIPT) && (hdr->ih_type != IH_TYPE_SCRIPT)) {
+	if ((au_image[i].type == AU_SCRIPT) && !image_check_type (hdr, IH_TYPE_SCRIPT)) {
 		printf ("Image %s wrong type\n", au_image[i].name);
 		return -1;
 	}
 
 	/* recycle checksum */
-	checksum = ntohl(hdr->ih_size);
+	checksum = image_get_data_size (hdr);
 
 #if 0 /* test-only */
 	/* for kernel and app the image header must also fit into flash */
 	if (idx != IDX_DISK)
-		checksum += sizeof(*hdr);
+		checksum += image_get_header_size ();
 	/* check the size does not exceed space in flash. HUSH scripts */
 	/* all have ausize[] set to 0 */
 	if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
@@ -196,11 +189,11 @@
 		printf("Executing script %s\n", au_image[i].name);
 
 		/* execute a script */
-		if (hdr->ih_type == IH_TYPE_SCRIPT) {
-			addr = (char *)((char *)hdr + sizeof(*hdr));
+		if (image_check_type (hdr, IH_TYPE_SCRIPT)) {
+			addr = (char *)((char *)hdr + image_get_header_size ());
 			/* stick a NULL at the end of the script, otherwise */
 			/* parse_string_outer() runs off the end. */
-			addr[ntohl(hdr->ih_size)] = 0;
+			addr[image_get_data_size (hdr)] = 0;
 			addr += 8;
 
 			/*
@@ -231,8 +224,8 @@
 		 */
 		if (au_image[i].type == AU_FIRMWARE) {
 			char *orig = (char*)start;
-			char *new  = (char *)((char *)hdr + sizeof(*hdr));
-			nbytes = ntohl(hdr->ih_size);
+			char *new  = (char *)((char *)hdr + image_get_header_size ());
+			nbytes = image_get_data_size (hdr);
 
 			while(--nbytes) {
 				if (*orig++ != *new++) {
@@ -272,12 +265,12 @@
 		/* strip the header - except for the kernel and ramdisk */
 		if (au_image[i].type != AU_FIRMWARE) {
 			addr = (char *)hdr;
-			off = sizeof(*hdr);
-			nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
+			off = image_get_header_size ();
+			nbytes = image_get_image_size (hdr);
 		} else {
-			addr = (char *)((char *)hdr + sizeof(*hdr));
+			addr = (char *)((char *)hdr + image_get_header_size ());
 			off = 0;
-			nbytes = ntohl(hdr->ih_size);
+			nbytes = image_get_data_size (hdr);
 		}
 
 		/*
@@ -305,15 +298,15 @@
 		 * check the dcrc of the copy
 		 */
 		if (au_image[i].type != AU_NAND) {
-			rc = crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size));
+			rc = crc32 (0, (uchar *)(start + off), image_get_data_size (hdr));
 		} else {
 #if defined(CONFIG_CMD_NAND) && defined(CFG_NAND_LEGACY)
 			rc = nand_legacy_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP,
 				     start, nbytes, (size_t *)&total, (uchar *)addr);
-			rc = crc32 (0, (uchar *)(addr + off), ntohl(hdr->ih_size));
+			rc = crc32 (0, (uchar *)(addr + off), image_get_data_size (hdr));
 #endif
 		}
-		if (rc != ntohl(hdr->ih_dcrc)) {
+		if (rc != image_get_dcrc (hdr)) {
 			printf ("Image %s Bad Data Checksum After COPY\n", au_image[i].name);
 			return -1;
 		}
@@ -497,10 +490,10 @@
 
 		printf("Reading %s ...", au_image[i].name);
 		/* just read the header */
-		sz = do_fat_read(au_image[i].name, LOAD_ADDR, sizeof(image_header_t), LS_NO);
+		sz = do_fat_read(au_image[i].name, LOAD_ADDR, image_get_header_size (), LS_NO);
 		debug ("read %s sz %ld hdr %d\n",
-			au_image[i].name, sz, sizeof(image_header_t));
-		if (sz <= 0 || sz < sizeof(image_header_t)) {
+			au_image[i].name, sz, image_get_header_size ());
+		if (sz <= 0 || sz < image_get_header_size ()) {
 			puts(" not found\n");
 			continue;
 		}
@@ -510,8 +503,8 @@
 		}
 		sz = do_fat_read(au_image[i].name, LOAD_ADDR, MAX_LOADSZ, LS_NO);
 		debug ("read %s sz %ld hdr %d\n",
-			au_image[i].name, sz, sizeof(image_header_t));
-		if (sz <= 0 || sz <= sizeof(image_header_t)) {
+			au_image[i].name, sz, image_get_header_size ());
+		if (sz <= 0 || sz <= image_get_header_size ()) {
 			puts(" not found\n");
 			continue;
 		}
diff --git a/board/mcc200/auto_update.c b/board/mcc200/auto_update.c
index 28e4c87..8b520c8 100644
--- a/board/mcc200/auto_update.c
+++ b/board/mcc200/auto_update.c
@@ -141,18 +141,15 @@
 int au_check_cksum_valid(int idx, long nbytes)
 {
 	image_header_t *hdr;
-	unsigned long checksum;
 
 	hdr = (image_header_t *)LOAD_ADDR;
 
-	if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size))) {
+	if (nbytes != image_get_image_size (hdr)) {
 		printf ("Image %s bad total SIZE\n", aufile[idx]);
 		return -1;
 	}
 	/* check the data CRC */
-	checksum = ntohl(hdr->ih_dcrc);
-
-	if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size)) != checksum) {
+	if (!image_check_dcrc (hdr)) {
 		printf ("Image %s bad data checksum\n", aufile[idx]);
 		return -1;
 	}
@@ -168,56 +165,52 @@
 	/* check the easy ones first */
 #undef CHECK_VALID_DEBUG
 #ifdef CHECK_VALID_DEBUG
-	printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
-	printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
-	printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
-	printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
+	printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
+	printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM);
+	printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
+	printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
 #endif
-	if (nbytes < sizeof(*hdr)) {
+	if (nbytes < image_get_header_size ()) {
 		printf ("Image %s bad header SIZE\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
-	if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_PPC) {
+	if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC)) {
 		printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
 	/* check the hdr CRC */
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		printf ("Image %s bad header checksum\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
-	hdr->ih_hcrc = htonl(checksum);
 	/* check the type - could do this all in one gigantic if() */
-	if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
+	if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
-	if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
+	if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
 	if ((idx == IDX_ROOTFS) &&
-		( (hdr->ih_type != IH_TYPE_RAMDISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM) )
-	   ) {
+			(!image_check_type (hdr, IH_TYPE_RAMDISK) &&
+			!image_check_type (hdr, IH_TYPE_FILESYSTEM))) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		ausize[idx] = 0;
 		return -1;
 	}
 	/* recycle checksum */
-	checksum = ntohl(hdr->ih_size);
+	checksum = image_get_data_size (hdr);
 
-	fsize = checksum + sizeof(*hdr);
+	fsize = checksum + image_get_header_size ();
 	/* for kernel and ramdisk the image header must also fit into flash */
-	if (idx == IDX_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK)
-		checksum += sizeof(*hdr);
+	if (idx == IDX_KERNEL || image_check_type (hdr, IH_TYPE_RAMDISK))
+		checksum += image_get_header_size ();
 
 	/* check the size does not exceed space in flash. HUSH scripts */
 	if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
@@ -242,11 +235,11 @@
 	hdr = (image_header_t *)LOAD_ADDR;
 
 	/* execute a script */
-	if (hdr->ih_type == IH_TYPE_SCRIPT) {
-		addr = (char *)((char *)hdr + sizeof(*hdr));
+	if (image_check_type (hdr, IH_TYPE_SCRIPT)) {
+		addr = (char *)((char *)hdr + image_get_header_size ());
 		/* stick a NULL at the end of the script, otherwise */
 		/* parse_string_outer() runs off the end. */
-		addr[ntohl(hdr->ih_size)] = 0;
+		addr[image_get_data_size (hdr)] = 0;
 		addr += 8;
 		parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
 		return 0;
@@ -278,19 +271,20 @@
 #endif
 
 	/* strip the header - except for the kernel and ramdisk */
-	if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
+	if (image_check_type (hdr, IH_TYPE_KERNEL) ||
+			image_check_type (hdr, IH_TYPE_RAMDISK)) {
 		addr = (char *)hdr;
-		off = sizeof(*hdr);
-		nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
+		off = image_get_header_size ();
+		nbytes = image_get_image_size (hdr);
 	} else {
-		addr = (char *)((char *)hdr + sizeof(*hdr));
+		addr = (char *)((char *)hdr + image_get_header_size ());
 #ifdef AU_UPDATE_TEST
 		/* copy it to where Linux goes */
 		if (idx == IDX_FIRMWARE)
 			start = aufl_layout[1].start;
 #endif
 		off = 0;
-		nbytes = ntohl(hdr->ih_size);
+		nbytes = image_get_data_size (hdr);
 	}
 
 	/* copy the data from RAM to FLASH */
@@ -306,7 +300,8 @@
 #endif
 
 	/* check the data CRC of the copy */
-	if (crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
+	if (crc32 (0, (uchar *)(start + off), image_get_data_size (hdr)) !=
+	    image_get_dcrc (hdr)) {
 		printf ("Image %s Bad Data Checksum after COPY\n", aufile[idx]);
 		return -1;
 	}
@@ -442,10 +437,10 @@
 	for (i = 0; i < AU_MAXFILES; i++) {
 		ulong imsize;
 		/* just read the header */
-		sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
+		sz = file_fat_read(aufile[i], LOAD_ADDR, image_get_header_size ());
 		debug ("read %s sz %ld hdr %d\n",
-			aufile[i], sz, sizeof(image_header_t));
-		if (sz <= 0 || sz < sizeof(image_header_t)) {
+			aufile[i], sz, image_get_header_size ());
+		if (sz <= 0 || sz < image_get_header_size ()) {
 			debug ("%s not found\n", aufile[i]);
 			ausize[i] = 0;
 			continue;
@@ -474,14 +469,14 @@
 		sz = file_fat_read(aufile[i], LOAD_ADDR, ausize[i]);
 
 		debug ("read %s sz %ld hdr %d\n",
-			aufile[i], sz, sizeof(image_header_t));
+			aufile[i], sz, image_get_header_size ());
 
 		if (sz != ausize[i]) {
 			printf ("%s: size %d read %d?\n", aufile[i], ausize[i], sz);
 			continue;
 		}
 
-		if (sz <= 0 || sz <= sizeof(image_header_t)) {
+		if (sz <= 0 || sz <= image_get_header_size ()) {
 			debug ("%s not found\n", aufile[i]);
 			continue;
 		}
diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c
index 8d4cbe8..30c6ca9 100644
--- a/board/mpl/common/common_util.c
+++ b/board/mpl/common/common_util.c
@@ -57,9 +57,6 @@
 
 extern flash_info_t flash_info[];	/* info for FLASH chips */
 
-static image_header_t header;
-
-
 static int
 mpl_prg(uchar *src, ulong size)
 {
@@ -77,7 +74,7 @@
 	info = &flash_info[0];
 
 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
-	if (ntohl(magic[0]) != IH_MAGIC) {
+	if (image_to_cpu (magic[0]) != IH_MAGIC) {
 		puts("Bad Magic number\n");
 		return -1;
 	}
@@ -179,44 +176,39 @@
 static int
 mpl_prg_image(uchar *ld_addr)
 {
-	unsigned long len, checksum;
+	unsigned long len;
 	uchar *data;
-	image_header_t *hdr = &header;
+	image_header_t *hdr = (image_header_t *)ld_addr;
 	int rc;
 
-	/* Copy header so we can blank CRC field for re-calculation */
-	memcpy (&header, (char *)ld_addr, sizeof(image_header_t));
-	if (ntohl(hdr->ih_magic)  != IH_MAGIC) {
+	if (!image_check_magic (hdr)) {
 		puts("Bad Magic Number\n");
 		return 1;
 	}
 	print_image_hdr(hdr);
-	if (hdr->ih_os  != IH_OS_U_BOOT) {
+	if (!image_check_os (hdr, IH_OS_U_BOOT)) {
 		puts("No U-Boot Image\n");
 		return 1;
 	}
-	if (hdr->ih_type  != IH_TYPE_FIRMWARE) {
+	if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 		puts("No Firmware Image\n");
 		return 1;
 	}
-	data = (uchar *)&header;
-	len  = sizeof(image_header_t);
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-	if (crc32 (0, (uchar *)data, len) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		puts("Bad Header Checksum\n");
 		return 1;
 	}
-	data = ld_addr + sizeof(image_header_t);
-	len  = ntohl(hdr->ih_size);
 	puts("Verifying Checksum ... ");
-	if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+	if (!image_check_dcrc (hdr)) {
 		puts("Bad Data CRC\n");
 		return 1;
 	}
 	puts("OK\n");
 
-	if (hdr->ih_comp != IH_COMP_NONE) {
+	data = (uchar *)image_get_data (hdr);
+	len = image_get_data_size (hdr);
+
+	if (image_get_comp (hdr) != IH_COMP_NONE) {
 		uchar *buf;
 		/* reserve space for uncompressed image */
 		if ((buf = malloc(IMAGE_SIZE)) == NULL) {
@@ -224,7 +216,7 @@
 			return 1;
 		}
 
-		switch (hdr->ih_comp) {
+		switch (image_get_comp (hdr)) {
 		case IH_COMP_GZIP:
 			puts("Uncompressing (GZIP) ... ");
 			rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
@@ -253,7 +245,8 @@
 			break;
 #endif
 		default:
-			printf ("Unimplemented compression type %d\n", hdr->ih_comp);
+			printf ("Unimplemented compression type %d\n",
+				image_get_comp (hdr));
 			free(buf);
 			return 1;
 		}
diff --git a/board/siemens/common/fpga.c b/board/siemens/common/fpga.c
index f022ed6..9d71946 100644
--- a/board/siemens/common/fpga.c
+++ b/board/siemens/common/fpga.c
@@ -131,45 +131,37 @@
 static int fpga_load (fpga_t* fpga, ulong addr, int checkall)
 {
     volatile uchar *fpga_addr = (volatile uchar *)fpga->conf_base;
-    image_header_t hdr;
-    ulong len, checksum;
-    uchar *data = (uchar *)&hdr;
-    char *s, msg[32];
+    image_header_t *hdr = (image_header_t *)addr;
+    ulong len;
+    uchar *data;
+    char msg[32];
     int verify, i;
 
     /*
      * Check the image header and data of the net-list
      */
-    memcpy (&hdr, (char *)addr, sizeof(image_header_t));
-
-    if (hdr.ih_magic != IH_MAGIC) {
+    if (!image_check_magic (hdr)) {
 	strcpy (msg, "Bad Image Magic Number");
 	goto failure;
     }
 
-    len  = sizeof(image_header_t);
-
-    checksum = hdr.ih_hcrc;
-    hdr.ih_hcrc = 0;
-
-    if (crc32 (0, data, len) != checksum) {
+    if (!image_check_hcrc (hdr)) {
 	strcpy (msg, "Bad Image Header CRC");
 	goto failure;
     }
 
-    data = (uchar*)(addr + sizeof(image_header_t));
-    len  = hdr.ih_size;
+    data = (uchar*)image_get_data (hdr);
+    len  = image_get_data_size (hdr);
 
-    s = getenv ("verify");
-    verify = (s && (*s == 'n')) ? 0 : 1;
+    verify = getenv_verify ();
     if (verify) {
-	if (crc32 (0, data, len) != hdr.ih_dcrc) {
+	if (!image_check_dcrc (hdr)) {
 	    strcpy (msg, "Bad Image Data CRC");
 	    goto failure;
 	}
     }
 
-    if (checkall && fpga_get_version(fpga, (char *)(hdr.ih_name)) < 0)
+    if (checkall && fpga_get_version(fpga, image_get_name (hdr)) < 0)
 	return 1;
 
     /* align length */
@@ -184,7 +176,7 @@
 	goto failure;
     }
 
-    printf ("(%s)... ", hdr.ih_name);
+    printf ("(%s)... ", image_get_name (hdr));
     /*
      * Copy data to FPGA
      */
@@ -341,7 +333,7 @@
 	}
 
 	hdr = (image_header_t *)addr;
-	if ((new_id = fpga_get_version(fpga, (char *)(hdr->ih_name))) == -1)
+	if ((new_id = fpga_get_version(fpga, image_get_name (hdr))) == -1)
 	    return 1;
 
 	do_load = 1;
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c
index 54d3645..bd9ee0c 100644
--- a/board/trab/auto_update.c
+++ b/board/trab/auto_update.c
@@ -209,20 +209,16 @@
 au_check_cksum_valid(int idx, long nbytes)
 {
 	image_header_t *hdr;
-	unsigned long checksum;
 
 	hdr = (image_header_t *)LOAD_ADDR;
 
-	if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
+	if (nbytes != image_get_image_size (hdr))
 	{
 		printf ("Image %s bad total SIZE\n", aufile[idx]);
 		return -1;
 	}
 	/* check the data CRC */
-	checksum = ntohl(hdr->ih_dcrc);
-
-	if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
-		!= checksum)
+	if (!image_check_dcrc (hdr)) {
 	{
 		printf ("Image %s bad data checksum\n", aufile[idx]);
 		return -1;
@@ -241,50 +237,46 @@
 	/* check the easy ones first */
 #undef CHECK_VALID_DEBUG
 #ifdef CHECK_VALID_DEBUG
-	printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
-	printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
-	printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
-	printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
+	printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
+	printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM);
+	printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
+	printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
 #endif
-	if (nbytes < sizeof(*hdr))
+	if (nbytes < image_get_header_size ())
 	{
 		printf ("Image %s bad header SIZE\n", aufile[idx]);
 		return -1;
 	}
-	if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_ARM)
+	if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_ARM))
 	{
 		printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
 		return -1;
 	}
 	/* check the hdr CRC */
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		printf ("Image %s bad header checksum\n", aufile[idx]);
 		return -1;
 	}
-	hdr->ih_hcrc = htonl(checksum);
 	/* check the type - could do this all in one gigantic if() */
-	if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
+	if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		return -1;
 	}
-	if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
+	if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		return -1;
 	}
-	if ((idx == IDX_DISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+	if ((idx == IDX_DISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		return -1;
 	}
-	if ((idx == IDX_APP) && (hdr->ih_type != IH_TYPE_RAMDISK)
-	    && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+	if ((idx == IDX_APP) && !image_check_type (hdr, IH_TYPE_RAMDISK)
+	    && !image_check_type (hdr, FILESYSTEM)) {
 		printf ("Image %s wrong type\n", aufile[idx]);
 		return -1;
 	}
 	if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
-		&& (hdr->ih_type != IH_TYPE_SCRIPT))
+		&& !image_check_type (hdr, IH_TYPE_SCRIPT))
 	{
 		printf ("Image %s wrong type\n", aufile[idx]);
 		return -1;
@@ -293,10 +285,10 @@
 	if (idx == IDX_PREPARE)
 		return 0;
 	/* recycle checksum */
-	checksum = ntohl(hdr->ih_size);
+	checksum = image_get_data_size (hdr);
 	/* for kernel and app the image header must also fit into flash */
 	if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
-		checksum += sizeof(*hdr);
+		checksum += image_get_header_size ();
 	/* check the size does not exceed space in flash. HUSH scripts */
 	/* all have ausize[] set to 0 */
 	if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
@@ -310,10 +302,10 @@
 	printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
 		"as int %#x time %#x\n",
 		buf[0], buf[1], buf[2], buf[3],
-		*((unsigned int *)buf), ntohl(hdr->ih_time));
+		*((unsigned int *)buf), image_get_time (hdr));
 #endif
 	/* check it */
-	if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
+	if (*((unsigned int *)buf) >= image_get_time (hdr)) {
 		printf ("Image %s is too old\n", aufile[idx]);
 		return -1;
 	}
@@ -340,11 +332,11 @@
 	*CPLD_VFD_BK |= POWER_OFF;
 
 	/* execute a script */
-	if (hdr->ih_type == IH_TYPE_SCRIPT) {
-		addr = (char *)((char *)hdr + sizeof(*hdr));
+	if (image_check_type (hdr, IH_TYPE_SCRIPT)) {
+		addr = (char *)((char *)hdr + image_get_header_size ());
 		/* stick a NULL at the end of the script, otherwise */
 		/* parse_string_outer() runs off the end. */
-		addr[ntohl(hdr->ih_size)] = 0;
+		addr[image_get_data_size (hdr)] = 0;
 		addr += 8;
 		parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
 		return 0;
@@ -372,19 +364,20 @@
 	flash_sect_erase(start, end);
 	wait_ms(100);
 	/* strip the header - except for the kernel and ramdisk */
-	if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
+	if (image_check_type (hdr, IH_TYPE_KERNEL) ||
+			image_check_type (hdr, IH_TYPE_RAMDISK)) {
 		addr = (char *)hdr;
-		off = sizeof(*hdr);
-		nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
+		off = image_get_header_size ();
+		nbytes = image_get_image_size (hdr);
 	} else {
-		addr = (char *)((char *)hdr + sizeof(*hdr));
+		addr = (char *)((char *)hdr + image_get_header_size ());
 #ifdef AU_UPDATE_TEST
 		/* copy it to where Linux goes */
 		if (idx == IDX_FIRMWARE)
 			start = aufl_layout[1].start;
 #endif
 		off = 0;
-		nbytes = ntohl(hdr->ih_size);
+		nbytes = image_get_data_size (hdr);
 	}
 
 	/* copy the data from RAM to FLASH */
@@ -396,7 +389,8 @@
 	}
 
 	/* check the dcrc of the copy */
-	if (crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
+	if (crc32 (0, (uchar *)(start + off), image_get_data_size (hdr)) !=
+	    image_get_dcrc (hdr)) {
 		printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
 		return -1;
 	}
@@ -425,15 +419,15 @@
 	hdr = (image_header_t *)LOAD_ADDR;
 	/* write the time field into EEPROM */
 	off = auee_off[idx].time;
-	val = ntohl(hdr->ih_time);
+	val = image_get_time (hdr);
 	i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
 	/* write the size field into EEPROM */
 	off = auee_off[idx].size;
-	val = ntohl(hdr->ih_size);
+	val = image_get_data_size (hdr);
 	i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
 	/* write the dcrc field into EEPROM */
 	off = auee_off[idx].dcrc;
-	val = ntohl(hdr->ih_dcrc);
+	val = image_get_dcrc (hdr);
 	i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
 	/* enable the power switch */
 	*CPLD_VFD_BK &= ~POWER_OFF;
@@ -577,10 +571,10 @@
 	/* just loop thru all the possible files */
 	for (i = 0; i < AU_MAXFILES; i++) {
 		/* just read the header */
-		sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
+		sz = file_fat_read(aufile[i], LOAD_ADDR, image_get_header_size ());
 		debug ("read %s sz %ld hdr %d\n",
-			aufile[i], sz, sizeof(image_header_t));
-		if (sz <= 0 || sz < sizeof(image_header_t)) {
+			aufile[i], sz, image_get_header_size ());
+		if (sz <= 0 || sz < image_get_header_size ()) {
 			debug ("%s not found\n", aufile[i]);
 			continue;
 		}
@@ -590,8 +584,8 @@
 		}
 		sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
 		debug ("read %s sz %ld hdr %d\n",
-			aufile[i], sz, sizeof(image_header_t));
-		if (sz <= 0 || sz <= sizeof(image_header_t)) {
+			aufile[i], sz, image_get_header_size ());
+		if (sz <= 0 || sz <= image_get_header_size ()) {
 			debug ("%s not found\n", aufile[i]);
 			continue;
 		}
diff --git a/common/Makefile b/common/Makefile
index a88d1ef..fc84222 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -36,6 +36,8 @@
 COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
 COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o
 COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
+COBJS-y += image.o
+COBJS-y += gunzip.o
 COBJS-y += cmd_boot.o
 COBJS-y += cmd_bootm.o
 COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
@@ -91,6 +93,7 @@
 COBJS-$(CONFIG_CMD_TERMINAL) += cmd_terminal.o
 COBJS-$(CONFIG_CMD_UNIVERSE) += cmd_universe.o
 COBJS-$(CONFIG_CMD_USB) += cmd_usb.o
+COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
 COBJS-y += cmd_vfd.o
 COBJS-y += command.o
 COBJS-y += console.o
diff --git a/common/cmd_autoscript.c b/common/cmd_autoscript.c
index a6038a6..53f8e83 100644
--- a/common/cmd_autoscript.c
+++ b/common/cmd_autoscript.c
@@ -49,56 +49,44 @@
 
 #if defined(CONFIG_AUTOSCRIPT) || defined(CONFIG_CMD_AUTOSCRIPT)
 
-extern image_header_t header;		/* from cmd_bootm.c */
 int
 autoscript (ulong addr)
 {
-	ulong crc, data, len;
-	image_header_t *hdr = &header;
-	ulong *len_ptr;
+	ulong len;
+	image_header_t *hdr = (image_header_t *)addr;
+	ulong *data;
 	char *cmd;
 	int rcode = 0;
 	int verify;
 
-	cmd = getenv ("verify");
-	verify = (cmd && (*cmd == 'n')) ? 0 : 1;
+	verify = getenv_verify ();
 
-
-	memmove (hdr, (char *)addr, sizeof(image_header_t));
-
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+	if (!image_check_magic (hdr)) {
 		puts ("Bad magic number\n");
 		return 1;
 	}
 
-	crc = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-	len = sizeof (image_header_t);
-	data = (ulong)hdr;
-	if (crc32(0, (uchar *)data, len) != crc) {
+	if (!image_check_hcrc (hdr)) {
 		puts ("Bad header crc\n");
 		return 1;
 	}
 
-	data = addr + sizeof(image_header_t);
-	len = ntohl(hdr->ih_size);
-
 	if (verify) {
-		if (crc32(0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+		if (!image_check_dcrc (hdr)) {
 			puts ("Bad data crc\n");
 			return 1;
 		}
 	}
 
-	if (hdr->ih_type != IH_TYPE_SCRIPT) {
+	if (!image_check_type (hdr, IH_TYPE_SCRIPT)) {
 		puts ("Bad image type\n");
 		return 1;
 	}
 
 	/* get length of script */
-	len_ptr = (ulong *)data;
+	data = (ulong *)image_get_data (hdr);
 
-	if ((len = ntohl(*len_ptr)) == 0) {
+	if ((len = image_to_cpu (*data)) == 0) {
 		puts ("Empty Script\n");
 		return 1;
 	}
@@ -109,10 +97,10 @@
 		return 1;
 	}
 
-	while (*len_ptr++);
+	while (*data++);
 
 	/* make sure cmd is null terminated */
-	memmove (cmd, (char *)len_ptr, len);
+	memmove (cmd, (char *)data, len);
 	*(cmd + len) = 0;
 
 #ifdef CFG_HUSH_PARSER /*?? */
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 9546729..2ddb191 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -21,6 +21,8 @@
  * MA 02111-1307 USA
  */
 
+#define DEBUG
+
 /*
  * Boot support
  */
@@ -34,20 +36,6 @@
 #include <environment.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
@@ -56,31 +44,20 @@
 #include <hush.h>
 #endif
 
-#ifdef CFG_INIT_RAM_LOCK
-#include <asm/cache.h>
-#endif
-
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
-
 #ifdef CONFIG_HAS_DATAFLASH
 #include <dataflash.h>
 #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)
-#endif
+DECLARE_GLOBAL_DATA_PTR;
 
-int  gunzip (void *, int, unsigned char *, unsigned long *);
+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
 
-static void *zalloc(void *, unsigned, unsigned);
-static void zfree(void *, void *, unsigned);
+#ifdef CONFIG_BZIP2
+extern void bz_internal_error(int);
+#endif
 
 #if defined(CONFIG_CMD_IMI)
 static int image_info (unsigned long addr);
@@ -92,12 +69,16 @@
 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #endif
 
-static void print_type (image_header_t *hdr);
-
-#ifdef __I386__
-image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux (void);
 #endif
 
+static void print_type (image_header_t *hdr);
+static image_header_t *get_kernel (cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[], int verify,
+		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'
@@ -106,195 +87,54 @@
  *  - 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
+typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
+			int argc, char *argv[],
+			image_header_t *hdr,	/* of image to boot */
+			int verify);		/* getenv("verify")[0] != 'n' */
 
-#ifdef CONFIG_PPC
-static boot_os_Fcn do_bootm_linux;
-#else
-extern boot_os_Fcn do_bootm_linux;
-#endif
-#ifdef CONFIG_SILENT_CONSOLE
-static void fixup_silent_linux (void);
+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
-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 * );
-#endif
-
-#ifndef CFG_BOOTM_LEN
-#define CFG_BOOTM_LEN	0x800000	/* use 8MByte as default max gunzip size */
+extern uchar (*env_get_char)(int); /* Returns a character from the environment */
+static boot_os_fn do_bootm_artos;
 #endif
 
-image_header_t header;
+ulong load_addr = CFG_LOAD_ADDR;	/* Default Load Address */
 
-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;
+	int		verify = getenv_verify();
 
-	s = getenv ("verify");
-	verify = (s && (*s == 'n')) ? 0 : 1;
+	image_header_t	*hdr;
+	ulong		os_data, os_len;
 
-	if (argc < 2) {
-		addr = load_addr;
-	} else {
-		addr = simple_strtoul(argv[1], NULL, 16);
-	}
+	ulong		image_start, image_end;
+	ulong		load_start, load_end;
 
-	show_boot_progress (1);
-	printf ("## Booting image at %08lx ...\n", addr);
-
-	/* 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);
+	/* get kernel image header, start address and length */
+	hdr = get_kernel (cmdtp, flag, argc, argv, verify,
+			&os_data, &os_len);
+	if (hdr == NULL)
 		return 1;
-	    }
-	}
-	show_boot_progress (2);
-
-	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");
-		show_boot_progress (-2);
-		return 1;
-	}
-	show_boot_progress (3);
-
-#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;
-	}
-#endif
-
-
-	/* 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);
-
-	if (verify) {
-		puts ("   Verifying Checksum ... ");
-		if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
-			printf ("Bad Data CRC\n");
-			show_boot_progress (-3);
-			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));
-		}
-		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);
-		return 1;
-	}
 	show_boot_progress (6);
 
 	/*
@@ -302,7 +142,6 @@
 	 * overwrite all exception vector code, so we cannot easily
 	 * recover from any failures any more...
 	 */
-
 	iflag = disable_interrupts();
 
 #ifdef CONFIG_AMIGAONEG3SE
@@ -316,138 +155,115 @@
 	dcache_disable();
 #endif
 
-	switch (hdr->ih_comp) {
+	type_name = image_get_type_name (image_get_type (hdr));
+
+	image_start = (ulong)hdr;
+	image_end = image_get_image_end (hdr);
+	load_start = image_get_load (hdr);
+	load_end = 0;
+
+	switch (image_get_comp (hdr)) {
 	case IH_COMP_NONE:
-		if(ntohl(hdr->ih_load) == addr) {
-			printf ("   XIP %s ... ", name);
+		if (image_get_load (hdr) == (ulong)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 ... ", type_name);
 
-			printf ("   Loading %s ... ", name);
+			memmove_wd ((void *)image_get_load (hdr),
+				   (void *)os_data, os_len, CHUNKSZ);
 
-			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 */
+			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) {
+		printf ("   Uncompressing %s ... ", type_name);
+		if (gunzip ((void *)image_get_load (hdr), unc_len,
+					(uchar *)os_data, &os_len) != 0) {
 			puts ("GUNZIP 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*)image_get_load (hdr),
+					&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);
 			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", image_get_comp (hdr));
 		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");
+		do_reset (cmdtp, flag, argc, argv);
 	}
+
 	show_boot_progress (8);
 
-	switch (hdr->ih_os) {
+	switch (image_get_os (hdr)) {
 	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, hdr, verify);
 	    break;
+
 	case IH_OS_NETBSD:
-	    do_bootm_netbsd (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_netbsd (cmdtp, flag, argc, argv, hdr, verify);
 	    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, hdr, verify);
 	    break;
 #endif
 
 	case IH_OS_RTEMS:
-	    do_bootm_rtems (cmdtp, flag, argc, argv,
-			     addr, len_ptr, verify);
+	    do_bootm_rtems (cmdtp, flag, argc, argv, hdr, verify);
 	    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, hdr, verify);
 	    break;
+
 	case IH_OS_QNX:
-	    do_bootm_qnxelf (cmdtp, flag, argc, argv,
-			      addr, len_ptr, verify);
+	    do_bootm_qnxelf (cmdtp, flag, argc, argv, hdr, verify);
 	    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, hdr, verify);
 	    break;
 #endif
 	}
@@ -459,867 +275,196 @@
 #endif
 	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 ()
-{
-	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=");
-		}
-	} else {
-		strcpy (buf, "console=");
-	}
-
-	setenv ("bootargs", buf);
-	debug ("after silent fix-up: %s\n", buf);
-}
-#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)
+/**
+ * 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
+ *
+ * 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 image_header_t *get_kernel (cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[], int verify,
+		ulong *os_data, ulong *os_len)
 {
-	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
-
-	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;
-	}
-
-#ifdef CONFIG_LOGBUFFER
-	kbd=gd->bd;
-	/* Prevent initrd from overwriting logbuffer */
-	if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
-		initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
-	debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
-#endif
-
-	/*
-	 * 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);
-
-#ifdef	DEBUG
-	printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
-
-	do_bdinfo (NULL, 0, 0, NULL);
-#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;
-#endif
-#if defined(CONFIG_MPC5xxx)
-		kbd->bi_ipbfreq /= 1000000L;
-		kbd->bi_pcifreq /= 1000000L;
-#endif /* CONFIG_MPC5xxx */
-	}
-
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
-
-	/*
-	 * Check if there is an initrd image
-	 */
-
-#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;
-		}
-	else
-#endif
-	if (argc >= 3) {
-		debug ("Not skipping initrd\n");
-		show_boot_progress (9);
-
-		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);
-		}
-
-		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");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		show_boot_progress (10);
-
-		print_image_hdr (hdr);
-
-		data = addr + sizeof(image_header_t);
-		len  = ntohl(hdr->ih_size);
-
-		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 */
-
-			puts ("   Verifying Checksum ... ");
-
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-
-			while (cdata < edata) {
-				ulong chunk = edata - cdata;
-
-				if (chunk > CHUNKSZ)
-					chunk = CHUNKSZ;
-				csum = crc32 (csum, (uchar *)cdata, chunk);
-				cdata += chunk;
-
-				WATCHDOG_RESET();
-			}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-			csum = crc32 (0, (uchar *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+	image_header_t	*hdr;
+	ulong		img_addr;
 
-			if (csum != ntohl(hdr->ih_dcrc)) {
-				puts ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			puts ("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		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);
-		}
-
-		/*
-		 * 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;
-		}
-
-		len   = ntohl(len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
-
-		len = data = 0;
-	}
-
-#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);
-			}
-
-			puts ("   Verifying Checksum ... ");
-			memmove (&header, (char *)hdr, sizeof(image_header_t));
-			checksum = ntohl(header.ih_hcrc);
-			header.ih_hcrc = 0;
-
-			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);
-			}
-
-			checksum = ntohl(hdr->ih_dcrc);
-			addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
-
-			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 (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);
-			}
-
-			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;
-		}
-
-		/* 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;
-		}
-
-#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;
-#endif
-
-
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
-#else
-		if (fdt_check_header (of_flat_tree) != 0) {
-#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 */
-
-		if (initrd_high) {
-			ulong nsp;
-
-			/*
-			 * 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;
-		}
-
-		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;
-			}
-		}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-		memmove ((void *)initrd_start, (void *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
-		puts ("OK\n");
-	    }
+	if (argc < 2) {
+		img_addr = load_addr;
 	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
-
-#if defined(CONFIG_OF_LIBFDT)
-
-#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) {
-		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");
+		img_addr = simple_strtoul(argv[1], NULL, 16);
 	}
-	/*
-	 * 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);
-		}
-#ifdef CONFIG_OF_HAS_UBOOT_ENV
-		if (fdt_env(of_flat_tree) < 0) {
-			puts ("ERROR: /u-boot-env node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-#endif
-#ifdef CONFIG_OF_HAS_BD_T
-		if (fdt_bd_t(of_flat_tree) < 0) {
-			puts ("ERROR: /bd_t node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-#endif
-#ifdef CONFIG_OF_BOARD_SETUP
-		/* Call the board-specific fixup routine */
-		ft_board_setup(of_flat_tree, gd->bd);
-#endif
-	}
-#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);
-
-	show_boot_progress (15);
-
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
-	unlock_ram_in_cache();
-#endif
-
-#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 */
-	}
-#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;
-
-
-	/*
-	 * Booting a (NetBSD) kernel image
-	 *
-	 * This process is pretty similar to a standalone application:
-	 * The (first part of an multi-) image must be a stage-2 loader,
-	 * which in turn is responsible for loading & invoking the actual
-	 * kernel.  The only differences are the parameters being passed:
-	 * besides the board info strucure, the loader expects a command
-	 * 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;
-
-
-	consdev = "";
-#if   defined (CONFIG_8xx_CONS_SMC1)
-	consdev = "smc1";
-#elif defined (CONFIG_8xx_CONS_SMC2)
-	consdev = "smc2";
-#elif defined (CONFIG_8xx_CONS_SCC2)
-	consdev = "scc2";
-#elif defined (CONFIG_8xx_CONS_SCC3)
-	consdev = "scc3";
-#endif
-
-	if (argc > 2) {
-		ulong len;
-		int   i;
-
-		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) {
-			if (i > 2)
-				cmdline[len++] = ' ';
-			strcpy (&cmdline[len], argv[i]);
-			len += strlen (argv[i]);
-		}
-	} else if ((cmdline = getenv("bootargs")) == NULL) {
-		cmdline = "";
-	}
-
-	loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
-
-	printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
-		(ulong)loader);
-
-	show_boot_progress (15);
-
-	/*
-	 * NetBSD Stage-2 Loader Parameters:
-	 *   r3: ptr to board info data
-	 *   r4: image address
-	 *   r5: console device
-	 *   r6: boot args string
-	 */
-	(*loader) (gd->bd, img_addr, consdev, cmdline);
-}
-
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-
-/* Function that returns a character from the environment */
-extern uchar (*env_get_char)(int);
-
-static void
-do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
-		int	argc, char *argv[],
-		ulong	addr,
-		ulong	*len_ptr,
-		int	verify)
-{
-	ulong top;
-	char *s, *cmdline;
-	char **fwenv, **ss;
-	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;
-
-	/*
-	 * Booting an ARTOS kernel image + application
-	 */
-
-	/* this used to be the top of memory, but was wrong... */
-#ifdef CONFIG_PPC
-	/* get stack pointer */
-	asm volatile ("mr %0,1" : "=r"(top) );
-#endif
-	debug ("## Current stack ends at 0x%08lX ", top);
+	show_boot_progress (1);
+	printf ("## Booting image at %08lx ...\n", img_addr);
 
-	top -= 2048;		/* just to be sure */
-	if (top > CFG_BOOTMAPSZ)
-		top = CFG_BOOTMAPSZ;
-	top &= ~0xF;
+#ifdef CONFIG_HAS_DATAFLASH
+	if (addr_dataflash (img_addr)){
+		hdr = (image_header_t *)CFG_LOAD_ADDR;
+		read_dataflash (img_addr, image_get_header_size (), (char *)hdr);
+	} else
+#endif
+	hdr = (image_header_t *)img_addr;
 
-	debug ("=> set upper limit to 0x%08lX\n", top);
+	if (!image_check_magic(hdr)) {
+		puts ("Bad Magic Number\n");
+		show_boot_progress (-1);
+		return NULL;
+	}
+	show_boot_progress (2);
 
-	/* first check the artos specific boot args, then the linux args*/
-	if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
-		s = "";
+	if (!image_check_hcrc (hdr)) {
+		puts ("Bad Header Checksum\n");
+		show_boot_progress (-2);
+		return NULL;
+	}
+	show_boot_progress (3);
 
-	/* get length of cmdline, and place it */
-	len = strlen(s);
-	top = (top - (len + 1)) & ~0xF;
-	cmdline = (char *)top;
-	debug ("## cmdline at 0x%08lX ", top);
-	strcpy(cmdline, s);
+#ifdef CONFIG_HAS_DATAFLASH
+	if (addr_dataflash (img_addr))
+		read_dataflash (img_addr + image_get_header_size (),
+				image_get_data_size (hdr),
+				(char *)image_get_data (hdr));
+#endif
 
-	/* copy bdinfo */
-	top = (top - sizeof(bd_t)) & ~0xF;
-	debug ("## bd at 0x%08lX ", top);
-	kbd = (bd_t *)top;
-	memcpy(kbd, gd->bd, sizeof(bd_t));
+	/* uImage is in a system RAM, pointed to by hdr */
+	print_image_hdr (hdr);
 
-	/* 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)
-			;
-		envno++;
-		envsz += (nxt - i) + 1;	/* plus trailing zero */
+	if (verify) {
+		puts ("   Verifying Checksum ... ");
+		if (!image_check_dcrc (hdr)) {
+			printf ("Bad Data CRC\n");
+			show_boot_progress (-3);
+			return NULL;
+		}
+		puts ("OK\n");
 	}
-	envno++;	/* plus the terminating zero */
-	debug ("## %u envvars total size %u ", envno, envsz);
-
-	top = (top - sizeof(char **)*envno) & ~0xF;
-	fwenv = (char **)top;
-	debug ("## fwenv at 0x%08lX ", top);
+	show_boot_progress (4);
 
-	top = (top - envsz) & ~0xF;
-	s = (char *)top;
-	ss = fwenv;
+	if (!image_check_target_arch (hdr)) {
+		printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
+		show_boot_progress (-4);
+		return NULL;
+	}
+	show_boot_progress (5);
 
-	/* now copy them */
-	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++ = '\0';
+	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;
 	}
-	*ss++ = NULL;	/* terminate */
+	debug ("   kernel data at 0x%08lx, end = 0x%08lx\n",
+			*os_data, *os_data + *os_len);
 
-	entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
-	(*entry)(kbd, cmdline, fwenv, top);
+	return hdr;
 }
-#endif
 
+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
+);
 
+/*******************************************************************/
+/* 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;
+
 #ifndef CFG_HUSH_PARSER
-	if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
+	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;
+	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",
+	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",
+	bootd, 1,	1,	do_bootd,
+	"bootd   - boot default, i.e., run 'bootcmd'\n",
 	NULL
 );
 
 #endif
 
+
+/*******************************************************************/
+/* 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 do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
 	int	arg;
 	ulong	addr;
-	int     rcode=0;
+	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;
+	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;
+	image_header_t *hdr = (image_header_t *)addr;
 
 	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) {
+	if (!image_check_magic (hdr)) {
 		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) {
+	if (!image_check_hcrc (hdr)) {
 		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);
+	print_image_hdr (hdr);
 
 	puts ("   Verifying Checksum ... ");
-	if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+	if (!image_check_dcrc (hdr)) {
 		puts ("   Bad Data CRC\n");
 		return 1;
 	}
@@ -1335,50 +480,43 @@
 	"      address 'addr' in memory; this includes verification of the\n"
 	"      image contents (magic number, header and payload checksums)\n"
 );
-
 #endif
 
+
+/*******************************************************************/
+/* imls - list all images found in flash */
+/*******************************************************************/
 #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) {
+	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;
+		for (j = 0; j < info->sector_count; ++j) {
 
-			/* Copy header so we can blank CRC field for re-calculation */
-			memmove (&header, (char *)hdr, sizeof(image_header_t));
+			hdr = (image_header_t *)info->start[j];
 
-			checksum = ntohl(header.ih_hcrc);
-			header.ih_hcrc = 0;
+			if (!hdr || !image_check_magic (hdr))
+				goto next_sector;
 
-			if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
-			    != checksum)
+			if (!image_check_hcrc (hdr))
 				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);
+			print_image_hdr (hdr);
 
 			puts ("   Verifying Checksum ... ");
-			if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
-				puts ("   Bad Data CRC\n");
+			if (!image_check_dcrc (hdr)) {
+				puts ("Bad Data CRC\n");
+			} else {
+				puts ("OK\n");
 			}
-			puts ("OK\n");
 next_sector:		;
 		}
 next_bank:	;
@@ -1396,205 +534,187 @@
 );
 #endif
 
-void
-print_image_hdr (image_header_t *hdr)
+/*******************************************************************/
+/* helper routines */
+/*******************************************************************/
+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);
+	time_t timestamp = (time_t)image_get_time (hdr);
 	struct rtc_time tm;
 #endif
 
-	printf ("   Image Name:   %.*s\n", IH_NMLEN, hdr->ih_name);
+	printf ("   Image Name:   %.*s\n", IH_NMLEN, image_get_name (hdr));
+
 #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");
+	puts ("   Image Type:   ");
+	print_type (hdr);
+
+	printf ("\n   Data Size:    %d Bytes = ", image_get_data_size (hdr));
+	print_size (image_get_data_size (hdr), "\n");
 	printf ("   Load Address: %08x\n"
 		"   Entry Point:  %08x\n",
-		 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
+		 image_get_load (hdr), image_get_ep (hdr));
 
-	if (hdr->ih_type == IH_TYPE_MULTI) {
+	if (image_check_type (hdr, IH_TYPE_MULTI)) {
 		int i;
-		ulong len;
-		ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
+		ulong data, len;
+		ulong count = image_multi_count (hdr);
 
 		puts ("   Contents:\n");
-		for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
+		for (i = 0; i < count; i++) {
+			image_multi_getimg (hdr, i, &data, &len);
 			printf ("   Image %d: %8ld Bytes = ", i, len);
 			print_size (len, "\n");
 		}
 	}
 }
 
-
-static void
-print_type (image_header_t *hdr)
+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;
-	}
+	const char *os, *arch, *type, *comp;
 
-	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;
-	}
+	os = image_get_os_name (image_get_os (hdr));
+	arch = image_get_arch_name (image_get_arch (hdr));
+	type = image_get_type_name (image_get_type (hdr));
+	comp = image_get_comp_name (image_get_comp (hdr));
 
 	printf ("%s %s %s (%s)", arch, os, type, comp);
 }
 
-#define	ZALLOC_ALIGNMENT	16
-
-static void *zalloc(void *x, unsigned items, unsigned size)
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux ()
 {
-	void *p;
-
-	size *= items;
-	size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
+	char buf[256], *start, *end;
+	char *cmdline = getenv ("bootargs");
 
-	p = malloc (size);
+	/* Only fix cmdline when requested */
+	if (!(gd->flags & GD_FLG_SILENT))
+		return;
 
-	return (p);
-}
+	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=");
+		}
+	} else {
+		strcpy (buf, "console=");
+	}
 
-static void zfree(void *x, void *addr, unsigned nb)
-{
-	free (addr);
+	setenv ("bootargs", buf);
+	debug ("after silent fix-up: %s\n", buf);
 }
+#endif /* CONFIG_SILENT_CONSOLE */
 
-#define HEAD_CRC	2
-#define EXTRA_FIELD	4
-#define ORIG_NAME	8
-#define COMMENT		0x10
-#define RESERVED	0xe0
 
-#define DEFLATED	8
+/*******************************************************************/
+/* OS booting routines */
+/*******************************************************************/
 
-int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
+static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
+			    int argc, char *argv[],
+			    image_header_t *hdr, int verify)
 {
-	z_stream s;
-	int r, i, flags;
+	void (*loader)(bd_t *, image_header_t *, char *, char *);
+	image_header_t *img_addr;
+	ulong kernel_data, kernel_len;
+	char *consdev;
+	char *cmdline;
 
-	/* 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);
+	/*
+	 * Booting a (NetBSD) kernel image
+	 *
+	 * This process is pretty similar to a standalone application:
+	 * The (first part of an multi-) image must be a stage-2 loader,
+	 * which in turn is responsible for loading & invoking the actual
+	 * kernel.  The only differences are the parameters being passed:
+	 * besides the board info strucure, the loader expects a command
+	 * line, the name of the console device, and (optionally) the
+	 * address of the original image header.
+	 */
+
+	img_addr = 0;
+	if (image_check_type (hdr, IH_TYPE_MULTI)) {
+		image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
+		if (kernel_len)
+			img_addr = hdr;
 	}
 
-	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 */
+	consdev = "";
+#if   defined (CONFIG_8xx_CONS_SMC1)
+	consdev = "smc1";
+#elif defined (CONFIG_8xx_CONS_SMC2)
+	consdev = "smc2";
+#elif defined (CONFIG_8xx_CONS_SCC2)
+	consdev = "scc2";
+#elif defined (CONFIG_8xx_CONS_SCC3)
+	consdev = "scc3";
+#endif
 
-	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);
+	if (argc > 2) {
+		ulong len;
+		int   i;
+
+		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) {
+			if (i > 2)
+				cmdline[len++] = ' ';
+			strcpy (&cmdline[len], argv[i]);
+			len += strlen (argv[i]);
+		}
+	} else if ((cmdline = getenv ("bootargs")) == NULL) {
+		cmdline = "";
 	}
-	*lenp = s.next_out - (unsigned char *) dst;
-	inflateEnd(&s);
 
-	return (0);
+	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);
+
+	show_boot_progress (15);
+
+	/*
+	 * NetBSD Stage-2 Loader Parameters:
+	 *   r3: ptr to board info data
+	 *   r4: image address
+	 *   r5: console device
+	 *   r6: boot args string
+	 */
+	(*loader) (gd->bd, img_addr, consdev, cmdline);
 }
 
-#ifdef CONFIG_BZIP2
-void bz_internal_error(int errcode)
+#ifdef CONFIG_LYNXKDI
+static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
+			     int argc, char *argv[],
+			     image_header_t *hdr, int verify)
 {
-	printf ("BZIP2 internal error %d\n", errcode);
+	lynxkdi_boot (hdr);
 }
-#endif /* CONFIG_BZIP2 */
+#endif /* CONFIG_LYNXKDI */
 
-static void
-do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		ulong addr, ulong *len_ptr, int verify)
+static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
+			   int argc, char *argv[],
+			   image_header_t *hdr, int verify)
 {
-	image_header_t *hdr = &header;
-	void	(*entry_point)(bd_t *);
+	void (*entry_point)(bd_t *);
 
-	entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
+	entry_point = (void (*)(bd_t *))image_get_ep (hdr);
 
 	printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
 		(ulong)entry_point);
@@ -1605,47 +725,114 @@
 	 * RTEMS Parameters:
 	 *   r3: ptr to board info data
 	 */
-
-	(*entry_point ) ( gd->bd );
+	(*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)
+static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
+			     int argc, char *argv[],
+			     image_header_t *hdr, int verify)
 {
-	image_header_t *hdr = &header;
 	char str[80];
 
-	sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
+	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[],
-		 ulong addr, ulong *len_ptr, int verify)
+static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
+			    int argc, char *argv[],
+			    image_header_t *hdr, 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 */
+	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
 
-#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)
+#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
+static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
+			   int argc, char *argv[],
+			   image_header_t *hdr, int verify)
 {
-	lynxkdi_boot( &header );
-}
+	ulong top;
+	char *s, *cmdline;
+	char **fwenv, **ss;
+	int i, j, nxt, len, envno, envsz;
+	bd_t *kbd;
+	void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
 
-#endif /* CONFIG_LYNXKDI */
+	/*
+	 * Booting an ARTOS kernel image + application
+	 */
+
+	/* this used to be the top of memory, but was wrong... */
+#ifdef CONFIG_PPC
+	/* get stack pointer */
+	asm volatile ("mr %0,1" : "=r"(top) );
+#endif
+	debug ("## Current stack ends at 0x%08lX ", top);
+
+	top -= 2048;		/* just to be sure */
+	if (top > CFG_BOOTMAPSZ)
+		top = CFG_BOOTMAPSZ;
+	top &= ~0xF;
+
+	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)
+		s = "";
+
+	/* get length of cmdline, and place it */
+	len = strlen (s);
+	top = (top - (len + 1)) & ~0xF;
+	cmdline = (char *)top;
+	debug ("## cmdline at 0x%08lX ", top);
+	strcpy (cmdline, s);
+
+	/* copy bdinfo */
+	top = (top - sizeof (bd_t)) & ~0xF;
+	debug ("## bd at 0x%08lX ", top);
+	kbd = (bd_t *)top;
+	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)
+			;
+		envno++;
+		envsz += (nxt - i) + 1;	/* plus trailing zero */
+	}
+	envno++;	/* plus the terminating zero */
+	debug ("## %u envvars total size %u ", envno, envsz);
+
+	top = (top - sizeof (char **) * envno) & ~0xF;
+	fwenv = (char **)top;
+	debug ("## fwenv at 0x%08lX ", top);
+
+	top = (top - envsz) & ~0xF;
+	s = (char *)top;
+	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)
+			;
+		*ss++ = s;
+		for (j = i; j < nxt; ++j)
+			*s++ = env_get_char (j);
+		*s++ = '\0';
+	}
+	*ss++ = NULL;	/* terminate */
+
+	entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
+	(*entry) (kbd, cmdline, fwenv, top);
+}
+#endif
diff --git a/common/cmd_doc.c b/common/cmd_doc.c
index 3d717c0..b20a2e1 100644
--- a/common/cmd_doc.c
+++ b/common/cmd_doc.c
@@ -263,11 +263,11 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (hdr->ih_magic == IH_MAGIC) {
+	if (image_check_magic (hdr)) {
 
 		print_image_hdr (hdr);
 
-		cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+		cnt = image_get_image_size (hdr);
 		cnt -= SECTORSIZE;
 	} else {
 		puts ("\n** Bad Magic Number **\n");
diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c
index 7349412..3b8f80b 100644
--- a/common/cmd_fdc.c
+++ b/common/cmd_fdc.c
@@ -836,13 +836,13 @@
 		return 1;
 	}
 	hdr = (image_header_t *)addr;
-	if (ntohl(hdr->ih_magic)  != IH_MAGIC) {
+	if (!image_get_magic (hdr)) {
 		printf ("Bad Magic Number\n");
 		return 1;
 	}
-	print_image_hdr(hdr);
+	print_image_hdr (hdr);
 
-	imsize= ntohl(hdr->ih_size)+sizeof(image_header_t);
+	imsize= image_get_image_size (hdr);
 	nrofblk=imsize/512;
 	if((imsize%512)>0)
 		nrofblk++;
@@ -861,7 +861,7 @@
 	/* Loading ok, update default load address */
 
 	load_addr = addr;
-	if(hdr->ih_type  == IH_TYPE_KERNEL) {
+	if(image_check_type (hdr, IH_TYPE_KERNEL)) {
 		/* Check if we should attempt an auto-start */
 		if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
 			char *local_args[2];
diff --git a/common/cmd_fpga.c b/common/cmd_fpga.c
index f55447a..4030d04 100644
--- a/common/cmd_fpga.c
+++ b/common/cmd_fpga.c
@@ -221,13 +221,13 @@
 			image_header_t *hdr = &header;
 			ulong	data;
 
-			memmove (&header, (char *)fpga_data, sizeof(image_header_t));
-			if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+			memmove (&header, (char *)fpga_data, image_get_header_size ());
+			if (!image_check_magic (hdr)) {
 				puts ("Bad Magic Number\n");
 				return 1;
 			}
-			data = ((ulong)fpga_data + sizeof(image_header_t));
-			data_size  = ntohl(hdr->ih_size);
+			data = ((ulong)fpga_data + image_get_header_size ());
+			data_size = image_get_data_size (hdr);
 			rc = fpga_load (dev, (void *)data, data_size);
 		}
 		break;
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index c38be4f..bcd1325 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -366,7 +366,7 @@
 	char *boot_device = NULL;
 	char *ep;
 	int dev, part = 0;
-	ulong addr, cnt, checksum;
+	ulong addr, cnt;
 	disk_partition_t info;
 	image_header_t *hdr;
 	int rcode = 0;
@@ -448,27 +448,23 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+	if (!image_check_magic (hdr)) {
 		printf("\n** Bad Magic Number **\n");
 		show_boot_progress (-49);
 		return 1;
 	}
 	show_boot_progress (49);
 
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		puts ("\n** Bad Header Checksum **\n");
 		show_boot_progress (-50);
 		return 1;
 	}
 	show_boot_progress (50);
-	hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
 
 	print_image_hdr (hdr);
 
-	cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+	cnt = image_get_image_size (hdr);
 	cnt += info.blksz - 1;
 	cnt /= info.blksz;
 	cnt -= 1;
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 8d6c959..bfa39d7 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -514,16 +514,16 @@
 
 	hdr = (image_header_t *) addr;
 
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
-		printf("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic);
+	if (!image_check_magic (hdr)) {
+		printf("\n** Bad Magic Number 0x%x **\n", image_get_magic (hdr));
 		show_boot_progress (-57);
 		return 1;
 	}
 	show_boot_progress (57);
 
-	print_image_hdr(hdr);
+	print_image_hdr (hdr);
 
-	cnt = (ntohl(hdr->ih_size) + sizeof (image_header_t));
+	cnt = image_get_image_size (hdr);
 	if (jffs2) {
 		nand_read_options_t opts;
 		memset(&opts, 0, sizeof(opts));
@@ -982,14 +982,14 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (ntohl(hdr->ih_magic) == IH_MAGIC) {
+	if (image_check_magic (hdr)) {
 
 		print_image_hdr (hdr);
 
-		cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+		cnt = image_get_image_size (hdr);
 		cnt -= SECTORSIZE;
 	} else {
-		printf ("\n** Bad Magic Number 0x%x **\n", ntohl(hdr->ih_magic));
+		printf ("\n** Bad Magic Number 0x%x **\n", image_get_magic (hdr));
 		show_boot_progress (-57);
 		return 1;
 	}
diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index 1cdec15..c2b27a5 100644
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -207,7 +207,7 @@
 	char *boot_device = NULL;
 	char *ep;
 	int dev, part = 0;
-	ulong addr, cnt, checksum;
+	ulong addr, cnt;
 	disk_partition_t info;
 	image_header_t *hdr;
 	int rcode = 0;
@@ -275,22 +275,18 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (ntohl(hdr->ih_magic) == IH_MAGIC) {
+	if (!image_check_magic (hdr)) {
 		printf("\n** Bad Magic Number **\n");
 		return 1;
 	}
 
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		puts ("\n** Bad Header Checksum **\n");
 		return 1;
 	}
-	hdr->ih_hcrc = htonl(checksum);	/* restore checksum for later use */
 
 	print_image_hdr (hdr);
-	cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+	cnt = image_get_image_size (hdr);
 	cnt += info.blksz - 1;
 	cnt /= info.blksz;
 	cnt -= 1;
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index c6b17c2..db2e754 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -311,7 +311,7 @@
 	char *boot_device = NULL;
 	char *ep;
 	int dev, part=1, rcode;
-	ulong addr, cnt, checksum;
+	ulong addr, cnt;
 	disk_partition_t info;
 	image_header_t *hdr;
 	block_dev_desc_t *stor_dev;
@@ -388,23 +388,19 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+	if (!image_get_magic (hdr)) {
 		printf("\n** Bad Magic Number **\n");
 		return 1;
 	}
 
-	checksum = ntohl(hdr->ih_hcrc);
-	hdr->ih_hcrc = 0;
-
-	if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		puts ("\n** Bad Header Checksum **\n");
 		return 1;
 	}
-	hdr->ih_hcrc = htonl(checksum);	/* restore checksum for later use */
 
 	print_image_hdr (hdr);
 
-	cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+	cnt = image_get_image_size (hdr);
 	cnt += info.blksz - 1;
 	cnt /= info.blksz;
 	cnt -= 1;
diff --git a/common/cmd_ximg.c b/common/cmd_ximg.c
index 52e0614..ab579cd 100644
--- a/common/cmd_ximg.c
+++ b/common/cmd_ximg.c
@@ -38,14 +38,13 @@
 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {
 	ulong addr = load_addr, dest = 0;
-	ulong data, len, checksum;
+	ulong data, len;
 	ulong *len_ptr;
 	int i, verify, part = 0;
 	char pbuf[10], *s;
-	image_header_t header;
+	image_header_t *hdr;
 
-	s = getenv("verify");
-	verify = (s && (*s == 'n')) ? 0 : 1;
+	verify = getenv_verify ();
 
 	if (argc > 1) {
 		addr = simple_strtoul(argv[1], NULL, 16);
@@ -59,50 +58,41 @@
 
 	printf("## Copying from image at %08lx ...\n", addr);
 
-	/* Copy header so we can blank CRC field for re-calculation */
-	memmove(&header, (char *) addr, sizeof (image_header_t));
+	hdr = (image_header_t *)addr;
 
-	if (ntohl(header.ih_magic) != IH_MAGIC) {
+	if (!image_check_magic (hdr)) {
 		printf("Bad Magic Number\n");
 		return 1;
 	}
 
-	data = (ulong) & header;
-	len = sizeof (image_header_t);
-
-	checksum = ntohl(header.ih_hcrc);
-	header.ih_hcrc = 0;
-
-	if (crc32(0, (char *) data, len) != checksum) {
+	if (!image_check_hcrc (hdr)) {
 		printf("Bad Header Checksum\n");
 		return 1;
 	}
 #ifdef DEBUG
-	print_image_hdr((image_header_t *) addr);
+	print_image_hdr (hdr);
 #endif
 
-	data = addr + sizeof (image_header_t);
-	len = ntohl(header.ih_size);
-
-	if (header.ih_type != IH_TYPE_MULTI) {
+	if (!image_check_type (hdr, IH_TYPE_MULTI)) {
 		printf("Wrong Image Type for %s command\n", cmdtp->name);
 		return 1;
 	}
 
-	if (header.ih_comp != IH_COMP_NONE) {
+	if (image_get_comp (hdr) != IH_COMP_NONE) {
 		printf("Wrong Compression Type for %s command\n", cmdtp->name);
 		return 1;
 	}
 
 	if (verify) {
 		printf("   Verifying Checksum ... ");
-		if (crc32(0, (char *) data, len) != ntohl(header.ih_dcrc)) {
+		if (!image_check_dcrc (hdr)) {
 			printf("Bad Data CRC\n");
 			return 1;
 		}
 		printf("OK\n");
 	}
 
+	data = image_get_data (hdr);
 	len_ptr = (ulong *) data;
 
 	data += 4;		/* terminator */
@@ -110,7 +100,7 @@
 		data += 4;
 		if (argc > 2 && part > i) {
 			u_long tail;
-			len = ntohl(len_ptr[i]);
+			len = image_to_cpu (len_ptr[i]);
 			tail = len % 4;
 			data += len;
 			if (tail) {
@@ -122,7 +112,7 @@
 		printf("Bad Image Part\n");
 		return 1;
 	}
-	len = ntohl(len_ptr[part]);
+	len = image_to_cpu (len_ptr[part]);
 
 	if (argc > 3) {
 		memcpy((char *) dest, (char *) data, len);
diff --git a/common/gunzip.c b/common/gunzip.c
new file mode 100644
index 0000000..74f0bf9
--- /dev/null
+++ b/common/gunzip.c
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <image.h>
+#include <malloc.h>
+#include <zlib.h>
+
+#define	ZALLOC_ALIGNMENT	16
+#define HEAD_CRC		2
+#define EXTRA_FIELD		4
+#define ORIG_NAME		8
+#define COMMENT			0x10
+#define RESERVED		0xe0
+#define DEFLATED		8
+
+int gunzip(void *, int, unsigned char *, unsigned long *);
+void *zalloc(void *, unsigned, unsigned);
+void zfree(void *, void *, unsigned);
+
+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);
+}
+
+void zfree(void *x, void *addr, unsigned nb)
+{
+	free (addr);
+}
+
+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);
+}
diff --git a/common/image.c b/common/image.c
new file mode 100644
index 0000000..39e5f23
--- /dev/null
+++ b/common/image.c
@@ -0,0 +1,693 @@
+/*
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define DEBUG
+
+#ifndef USE_HOSTCC
+#include <common.h>
+#include <watchdog.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+#include <status_led.h>
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+#include <dataflash.h>
+#endif
+
+#ifdef CONFIG_LOGBUFFER
+#include <logbuff.h>
+#endif
+
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+#ifdef CONFIG_CMD_BDI
+extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+#else
+#include "mkimage.h"
+#endif /* USE_HOSTCC*/
+
+#include <image.h>
+
+unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+
+int image_check_hcrc (image_header_t *hdr)
+{
+	ulong hcrc;
+	ulong len = image_get_header_size ();
+	image_header_t header;
+
+	/* Copy header so we can blank CRC field for re-calculation */
+	memmove (&header, (char *)hdr, image_get_header_size ());
+	image_set_hcrc (&header, 0);
+
+	hcrc = crc32 (0, (unsigned char *)&header, len);
+
+	return (hcrc == image_get_hcrc (hdr));
+}
+
+int image_check_dcrc (image_header_t *hdr)
+{
+	ulong data = image_get_data (hdr);
+	ulong len = image_get_data_size (hdr);
+	ulong dcrc = crc32 (0, (unsigned char *)data, len);
+
+	return (dcrc == image_get_dcrc (hdr));
+}
+
+#ifndef USE_HOSTCC
+int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz)
+{
+	ulong dcrc = 0;
+	ulong len = image_get_data_size (hdr);
+	ulong data = image_get_data (hdr);
+
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+	ulong cdata = data;
+	ulong edata = cdata + len;
+
+	while (cdata < edata) {
+		ulong chunk = edata - cdata;
+
+		if (chunk > chunksz)
+			chunk = chunksz;
+		dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk);
+		cdata += chunk;
+
+		WATCHDOG_RESET ();
+	}
+#else
+	dcrc = crc32 (0, (unsigned char *)data, len);
+#endif
+
+	return (dcrc == image_get_dcrc (hdr));
+}
+
+int getenv_verify (void)
+{
+	char *s = getenv ("verify");
+	return (s && (*s == 'n')) ? 0 : 1;
+}
+
+void memmove_wd (void *to, void *from, size_t len, ulong chunksz)
+{
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+	while (len > 0) {
+		size_t tail = (len > chunksz) ? chunksz : len;
+		WATCHDOG_RESET ();
+		memmove (to, from, tail);
+		to += tail;
+		from += tail;
+		len -= tail;
+	}
+#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
+	memmove (to, from, len);
+#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+}
+#endif /* USE_HOSTCC */
+
+/**
+ * image_multi_count - get component (sub-image) count
+ * @hdr: pointer to the header of the multi component image
+ *
+ * image_multi_count() returns number of components in a multi
+ * component image.
+ *
+ * Note: no checking of the image type is done, caller must pass
+ * a valid multi component image.
+ *
+ * returns:
+ *     number of components
+ */
+ulong image_multi_count (image_header_t *hdr)
+{
+	ulong i, count = 0;
+	ulong *size;
+
+	/* get start of the image payload, which in case of multi
+	 * component images that points to a table of component sizes */
+	size = (ulong *)image_get_data (hdr);
+
+	/* count non empty slots */
+	for (i = 0; size[i]; ++i)
+		count++;
+
+	return count;
+}
+
+/**
+ * image_multi_getimg - get component data address and size
+ * @hdr: pointer to the header of the multi component image
+ * @idx: index of the requested component
+ * @data: pointer to a ulong variable, will hold component data address
+ * @len: pointer to a ulong variable, will hold component size
+ *
+ * image_multi_getimg() returns size and data address for the requested
+ * component in a multi component image.
+ *
+ * Note: no checking of the image type is done, caller must pass
+ * a valid multi component image.
+ *
+ * returns:
+ *     data address and size of the component, if idx is valid
+ *     0 in data and len, if idx is out of range
+ */
+void image_multi_getimg (image_header_t *hdr, ulong idx,
+			ulong *data, ulong *len)
+{
+	int i;
+	ulong *size;
+	ulong offset, tail, count, img_data;
+
+	/* get number of component */
+	count = image_multi_count (hdr);
+
+	/* get start of the image payload, which in case of multi
+	 * component images that points to a table of component sizes */
+	size = (ulong *)image_get_data (hdr);
+
+	/* get address of the proper component data start, which means
+	 * skipping sizes table (add 1 for last, null entry) */
+	img_data = image_get_data (hdr) + (count + 1) * sizeof (ulong);
+
+	if (idx < count) {
+		*len = size[idx];
+		offset = 0;
+		tail = 0;
+
+		/* go over all indices preceding requested component idx */
+		for (i = 0; i < idx; i++) {
+			/* add up i-th component size */
+			offset += size[i];
+
+			/* add up alignment for i-th component */
+			tail += (4 - size[i] % 4);
+		}
+
+		/* calculate idx-th component data address */
+		*data = img_data + offset + tail;
+	} else {
+		*len = 0;
+		*data = 0;
+	}
+}
+
+#ifndef USE_HOSTCC
+const char* image_get_os_name (uint8_t os)
+{
+	const char *name;
+
+	switch (os) {
+	case IH_OS_INVALID:	name = "Invalid OS";		break;
+	case IH_OS_NETBSD:	name = "NetBSD";		break;
+	case IH_OS_LINUX:	name = "Linux";			break;
+	case IH_OS_VXWORKS:	name = "VxWorks";		break;
+	case IH_OS_QNX:		name = "QNX";			break;
+	case IH_OS_U_BOOT:	name = "U-Boot";		break;
+	case IH_OS_RTEMS:	name = "RTEMS";			break;
+#ifdef CONFIG_ARTOS
+	case IH_OS_ARTOS:	name = "ARTOS";			break;
+#endif
+#ifdef CONFIG_LYNXKDI
+	case IH_OS_LYNXOS:	name = "LynxOS";		break;
+#endif
+	default:		name = "Unknown OS";		break;
+	}
+
+	return name;
+}
+
+const char* image_get_arch_name (uint8_t arch)
+{
+	const char *name;
+
+	switch (arch) {
+	case IH_ARCH_INVALID:	name = "Invalid Architecture";	break;
+	case IH_ARCH_ALPHA:	name = "Alpha";			break;
+	case IH_ARCH_ARM:	name = "ARM";			break;
+	case IH_ARCH_AVR32:	name = "AVR32";			break;
+	case IH_ARCH_BLACKFIN:	name = "Blackfin";		break;
+	case IH_ARCH_I386:	name = "Intel x86";		break;
+	case IH_ARCH_IA64:	name = "IA64";			break;
+	case IH_ARCH_M68K:	name = "M68K"; 			break;
+	case IH_ARCH_MICROBLAZE:name = "Microblaze"; 		break;
+	case IH_ARCH_MIPS64:	name = "MIPS 64 Bit";		break;
+	case IH_ARCH_MIPS:	name = "MIPS";			break;
+	case IH_ARCH_NIOS2:	name = "Nios-II";		break;
+	case IH_ARCH_NIOS:	name = "Nios";			break;
+	case IH_ARCH_PPC:	name = "PowerPC";		break;
+	case IH_ARCH_S390:	name = "IBM S390";		break;
+	case IH_ARCH_SH:	name = "SuperH";		break;
+	case IH_ARCH_SPARC64:	name = "SPARC 64 Bit";		break;
+	case IH_ARCH_SPARC:	name = "SPARC";			break;
+	default:		name = "Unknown Architecture";	break;
+	}
+
+	return name;
+}
+
+const char* image_get_type_name (uint8_t type)
+{
+	const char *name;
+
+	switch (type) {
+	case IH_TYPE_INVALID:	name = "Invalid Image";		break;
+	case IH_TYPE_STANDALONE:name = "Standalone Program";	break;
+	case IH_TYPE_KERNEL:	name = "Kernel Image";		break;
+	case IH_TYPE_RAMDISK:	name = "RAMDisk Image";		break;
+	case IH_TYPE_MULTI:	name = "Multi-File Image";	break;
+	case IH_TYPE_FIRMWARE:	name = "Firmware";		break;
+	case IH_TYPE_SCRIPT:	name = "Script";		break;
+	case IH_TYPE_FLATDT:	name = "Flat Device Tree";	break;
+	default:		name = "Unknown Image";		break;
+	}
+
+	return name;
+}
+
+const char* image_get_comp_name (uint8_t comp)
+{
+	const char *name;
+
+	switch (comp) {
+	case IH_COMP_NONE:	name = "uncompressed";		break;
+	case IH_COMP_GZIP:	name = "gzip compressed";	break;
+	case IH_COMP_BZIP2:	name = "bzip2 compressed";	break;
+	default:		name = "unknown compression";	break;
+	}
+
+	return name;
+}
+
+/**
+ * image_get_ramdisk - get and verify ramdisk image
+ * @cmdtp: command table pointer
+ * @flag: command flag
+ * @argc: command argument count
+ * @argv: command argument list
+ * @rd_addr: ramdisk image start address
+ * @arch: expected ramdisk architecture
+ * @verify: checksum verification flag
+ *
+ * image_get_ramdisk() returns a pointer to the verified ramdisk image
+ * header. Routine receives image start address and expected architecture
+ * flag. Verification done covers data and header integrity and os/type/arch
+ * fields checking.
+ *
+ * If dataflash support is enabled routine checks for dataflash addresses
+ * and handles required dataflash reads.
+ *
+ * returns:
+ *     pointer to a ramdisk image header, if image was found and valid
+ *     otherwise, board is reset
+ */
+image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[],
+		ulong rd_addr, uint8_t arch, int verify)
+{
+	image_header_t *rd_hdr;
+
+	show_boot_progress (9);
+
+#ifdef CONFIG_HAS_DATAFLASH
+	if (addr_dataflash (rd_addr)) {
+		rd_hdr = (image_header_t *)CFG_LOAD_ADDR;
+		debug ("   Reading Ramdisk image header from dataflash address "
+			"%08lx to %08lx\n", rd_addr, (ulong)rd_hdr);
+		read_dataflash (rd_addr, image_get_header_size (),
+				(char *)rd_hdr);
+	} else
+#endif
+	rd_hdr = (image_header_t *)rd_addr;
+
+	if (!image_check_magic (rd_hdr)) {
+		puts ("Bad Magic Number\n");
+		show_boot_progress (-10);
+		do_reset (cmdtp, flag, argc, argv);
+	}
+
+	if (!image_check_hcrc (rd_hdr)) {
+		puts ("Bad Header Checksum\n");
+		show_boot_progress (-11);
+		do_reset (cmdtp, flag, argc, argv);
+	}
+
+	show_boot_progress (10);
+	print_image_hdr (rd_hdr);
+
+#ifdef CONFIG_HAS_DATAFLASH
+	if (addr_dataflash (rd_addr)) {
+		debug ("   Reading Ramdisk image data from dataflash address "
+			"%08lx to %08lx\n", rd_addr + image_get_header_size,
+			(ulong)image_get_data (rd_hdr));
+
+		read_dataflash (rd_addr + image_get_header_size (),
+				image_get_data_size (rd_hdr),
+				(char *)image_get_data (rd_hdr));
+	}
+#endif
+
+	if (verify) {
+		puts("   Verifying Checksum ... ");
+		if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
+			puts ("Bad Data CRC\n");
+			show_boot_progress (-12);
+			do_reset (cmdtp, flag, argc, argv);
+		}
+		puts("OK\n");
+	}
+
+	show_boot_progress (11);
+
+	if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
+	    !image_check_arch (rd_hdr, arch) ||
+	    !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
+		printf ("No Linux %s Ramdisk Image\n",
+				image_get_arch_name(arch));
+		show_boot_progress (-13);
+		do_reset (cmdtp, flag, argc, argv);
+	}
+
+	return rd_hdr;
+}
+
+/**
+ * get_ramdisk - main ramdisk handling routine
+ * @cmdtp: command table pointer
+ * @flag: command flag
+ * @argc: command argument count
+ * @argv: command argument list
+ * @hdr: pointer to the posiibly multi componet kernel image
+ * @verify: checksum verification flag
+ * @arch: expected ramdisk architecture
+ * @rd_start: pointer to a ulong variable, will hold ramdisk start address
+ * @rd_end: pointer to a ulong variable, will hold ramdisk end
+ *
+ * get_ramdisk() is responsible for finding a valid ramdisk image.
+ * Curently supported are the following ramdisk sources:
+ *      - multicomponent kernel/ramdisk image,
+ *      - commandline provided address of decicated ramdisk image.
+ *
+ * returns:
+ *     rd_start and rd_end are set to ramdisk start/end addresses if
+ *     ramdisk image is found and valid
+ *     rd_start and rd_end are set to 0 if no ramdisk exists
+ *     board is reset if ramdisk image is found but corrupted
+ */
+void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		image_header_t *hdr, int verify, uint8_t arch,
+		ulong *rd_start, ulong *rd_end)
+{
+	ulong rd_addr;
+	ulong rd_data, rd_len;
+	image_header_t *rd_hdr;
+
+	if (argc >= 3) {
+		/*
+		 * Look for a '-' which indicates to ignore the
+		 * ramdisk argument
+		 */
+		if (strcmp(argv[2], "-") ==  0) {
+			debug ("## Skipping init Ramdisk\n");
+			rd_len = rd_data = 0;
+		} else {
+			/*
+			 * Check if there is an initrd image at the
+			 * address provided in the second bootm argument
+			 */
+			rd_addr = simple_strtoul (argv[2], NULL, 16);
+			printf ("## Loading init Ramdisk Image at %08lx ...\n",
+					rd_addr);
+
+			rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv,
+						rd_addr, arch, verify);
+
+			rd_data = image_get_data (rd_hdr);
+			rd_len = image_get_data_size (rd_hdr);
+
+#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
+			/*
+			 *we need to copy the ramdisk to SRAM to let Linux boot
+			 */
+			memmove ((void *)image_get_load (rd_hdr),
+					(uchar *)rd_data, rd_len);
+
+			rd_data = image_get_load (rd_hdr);
+#endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */
+		}
+
+	} else if (image_check_type (hdr, IH_TYPE_MULTI)) {
+		/*
+		 * Now check if we have a multifile image
+		 * Get second entry data start address and len
+		 */
+		show_boot_progress (13);
+		printf ("## Loading init Ramdisk from multi component "
+				"Image at %08lx ...\n", (ulong)hdr);
+		image_multi_getimg (hdr, 1, &rd_data, &rd_len);
+	} else {
+		/*
+		 * no initrd image
+		 */
+		show_boot_progress (14);
+		rd_len = rd_data = 0;
+	}
+
+	if (!rd_data) {
+		debug ("## No init Ramdisk\n");
+		*rd_start = 0;
+		*rd_end = 0;
+	} else {
+		*rd_start = rd_data;
+		*rd_end = rd_data + rd_len;
+	}
+	debug ("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
+			*rd_start, *rd_end);
+}
+
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+/**
+ * ramdisk_high - relocate init ramdisk
+ * @rd_data: ramdisk data start address
+ * @rd_len: ramdisk data length
+ * @kbd: kernel board info copy (within BOOTMAPSZ boundary)
+ * @sp_limit: stack pointer limit (including BOOTMAPSZ)
+ * @sp: current stack pointer
+ * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
+ *      start address (after possible relocation)
+ * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
+ *      end address (after possible relocation)
+ *
+ * ramdisk_high() takes a relocation hint from "initrd_high" environement
+ * variable and if requested ramdisk data is moved to a specified location.
+ *
+ * returns:
+ *     - initrd_start and initrd_end are set to final (after relocation) ramdisk
+ *     start/end addresses if ramdisk image start and len were provided
+ *     otherwise set initrd_start and initrd_end set to zeros
+ *     - returns new allc_current, next free address below BOOTMAPSZ
+ */
+ulong ramdisk_high (ulong alloc_current, ulong rd_data, ulong rd_len,
+		bd_t *kbd, ulong sp_limit, ulong sp,
+		ulong *initrd_start, ulong *initrd_end)
+{
+	char	*s;
+	ulong	initrd_high;
+	int	initrd_copy_to_ram = 1;
+	ulong	new_alloc_current = alloc_current;
+
+	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;
+	}
+
+#ifdef CONFIG_LOGBUFFER
+	/* Prevent initrd from overwriting logbuffer */
+	if (initrd_high < (kbd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD))
+		initrd_high = kbd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD;
+	debug ("## Logbuffer at 0x%08lx ", kbd->bi_memsize - LOGBUFF_LEN);
+#endif
+	debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
+			initrd_high, initrd_copy_to_ram);
+
+	if (rd_data) {
+		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
+			debug ("   in-place initrd\n");
+			*initrd_start = rd_data;
+			*initrd_end = rd_data + rd_len;
+		} else {
+			new_alloc_current = alloc_current - rd_len;
+			*initrd_start  = new_alloc_current;
+			*initrd_start &= ~(4096 - 1);	/* align on page */
+
+			if (initrd_high) {
+				ulong nsp;
+
+				/*
+				 * 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
+				 * for command line args and board info.
+				 */
+				nsp = sp;
+				nsp -= 2048;		/* just to be sure */
+				nsp &= ~0xF;
+
+				if (nsp > initrd_high)	/* limit as specified */
+					nsp = initrd_high;
+
+				nsp -= rd_len;
+				nsp &= ~(4096 - 1);	/* align on page */
+
+				if (nsp >= sp_limit) {
+					*initrd_start = nsp;
+					new_alloc_current = alloc_current;
+				}
+			}
+
+			show_boot_progress (12);
+
+			*initrd_end = *initrd_start + rd_len;
+			printf ("   Loading Ramdisk to %08lx, end %08lx ... ",
+					*initrd_start, *initrd_end);
+
+			memmove_wd((void *)*initrd_start,
+					(void *)rd_data, rd_len, CHUNKSZ);
+
+			puts ("OK\n");
+		}
+	} else {
+		*initrd_start = 0;
+		*initrd_end = 0;
+	}
+	debug ("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
+			*initrd_start, *initrd_end);
+
+	return new_alloc_current;
+}
+
+/**
+ * get_boot_sp_limit - calculate stack pointer limit
+ * @sp: current stack pointer
+ *
+ * get_boot_sp_limit() takes current stack pointer adrress and calculates
+ * stack pointer limit, below which kernel boot data (cmdline, board info,
+ * etc.) will be allocated.
+ *
+ * returns:
+ *     stack pointer limit
+ */
+ulong get_boot_sp_limit(ulong sp)
+{
+	ulong sp_limit = sp;
+
+	sp_limit -= 2048;	/* just to be sure */
+
+	/* make sure sp_limit is within kernel mapped space */
+	if (sp_limit > CFG_BOOTMAPSZ)
+		sp_limit = CFG_BOOTMAPSZ;
+	sp_limit &= ~0xF;
+
+	return sp_limit;
+}
+
+/**
+ * get_boot_cmdline - allocate and initialize kernel cmdline
+ * @alloc_current: current boot allocation address (counting down
+ *      from sp_limit)
+ * @cmd_start: pointer to a ulong variable, will hold cmdline start
+ * @cmd_end: pointer to a ulong variable, will hold cmdline end
+ *
+ * get_boot_cmdline() allocates space for kernel command line below
+ * provided alloc_current address. If "bootargs" U-boot environemnt
+ * variable is present its contents is copied to allocated kernel
+ * command line.
+ *
+ * returns:
+ *     alloc_current after cmdline allocation
+ */
+ulong get_boot_cmdline (ulong alloc_current, ulong *cmd_start, ulong *cmd_end)
+{
+	char *cmdline;
+	char *s;
+
+	cmdline = (char *)((alloc_current - CFG_BARGSIZE) & ~0xF);
+
+	if ((s = getenv("bootargs")) == NULL)
+		s = "";
+
+	strcpy(cmdline, s);
+
+	*cmd_start = (ulong) & cmdline[0];
+	*cmd_end = *cmd_start + strlen(cmdline);
+
+	debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
+
+	return (ulong)cmdline;
+}
+
+/**
+ * get_boot_kbd - allocate and initialize kernel copy of board info
+ * @alloc_current: current boot allocation address (counting down
+ *      from sp_limit)
+ * @kbd: double pointer to board info data
+ *
+ * get_boot_kbd() - allocates space for kernel copy of board info data.
+ * Space is allocated below provided alloc_current address and kernel
+ * board info is initialized with the current u-boot board info data.
+ *
+ * returns:
+ *     alloc_current after kbd allocation
+ */
+ulong get_boot_kbd (ulong alloc_current, bd_t **kbd)
+{
+	*kbd = (bd_t *) (((ulong)alloc_current - sizeof(bd_t)) & ~0xF);
+	**kbd = *(gd->bd);
+
+	debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd);
+
+#if defined(DEBUG) && defined(CONFIG_CMD_BDI)
+	do_bdinfo(NULL, 0, 0, NULL);
+#endif
+
+	return (ulong)*kbd;
+}
+#endif /* CONFIG_PPC || CONFIG_M68K */
+
+#endif /* USE_HOSTCC */
diff --git a/common/lynxkdi.c b/common/lynxkdi.c
index 76a271b..a5dc887 100644
--- a/common/lynxkdi.c
+++ b/common/lynxkdi.c
@@ -23,45 +23,45 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 #if defined(CONFIG_MPC8260) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
-void lynxkdi_boot ( image_header_t *hdr )
+void lynxkdi_boot (image_header_t *hdr)
 {
-	void (*lynxkdi)(void) = (void(*)(void)) ntohl(hdr->ih_ep);
+	void (*lynxkdi)(void) = (void(*)(void))image_get_ep (hdr);
 	lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
 	bd_t *kbd;
-	u32 *psz = (u32 *)(ntohl(hdr->ih_load) + 0x0204);
+	u32 *psz = (u32 *)(image_get_load (hdr) + 0x0204);
 
-	memset( parms, 0, sizeof(*parms));
+	memset (parms, 0, sizeof(*parms));
 	kbd = gd->bd;
 	parms->clock_ref = kbd->bi_busfreq;
 	parms->dramsz = kbd->bi_memsize;
-	memcpy(parms->ethaddr, kbd->bi_enetaddr, 6);
-	mtspr(SPRN_SPRG2, 0x0020);
+	memcpy (parms->ethaddr, kbd->bi_enetaddr, 6);
+	mtspr (SPRN_SPRG2, 0x0020);
 
 	/* Do a simple check for Bluecat so we can pass the
 	 * kernel command line parameters.
 	 */
-	if( le32_to_cpu(*psz) == ntohl(hdr->ih_size) ){	/* FIXME: NOT SURE HERE ! */
-	    char *args;
-	    char *cmdline = (char *)(ntohl(hdr->ih_load) + 0x020c);
-	    int len;
+	if (le32_to_cpu (*psz) == image_get_data_size (hdr)) {	/* FIXME: NOT SURE HERE ! */
+		char *args;
+		char *cmdline = (char *)(image_get_load (hdr) + 0x020c);
+		int len;
 
-	    printf("Booting Bluecat KDI ...\n");
-	    udelay(200*1000); /* Allow serial port to flush */
-	    if ((args = getenv("bootargs")) == NULL)
-		    args = "";
-	    /* Prepend the cmdline */
-	    len = strlen(args);
-	    if( len && (len + strlen(cmdline) + 2 < (0x0400 - 0x020c))) {
-		memmove( cmdline + strlen(args) + 1, cmdline, strlen(cmdline) );
-		strcpy( cmdline, args );
-		cmdline[len] = ' ';
-	    }
+		printf ("Booting Bluecat KDI ...\n");
+		udelay (200*1000); /* Allow serial port to flush */
+		if ((args = getenv ("bootargs")) == NULL)
+			args = "";
+		/* Prepend the cmdline */
+		len = strlen (args);
+		if (len && (len + strlen (cmdline) + 2 < (0x0400 - 0x020c))) {
+			memmove (cmdline + strlen (args) + 1, cmdline, strlen (cmdline));
+			strcpy (cmdline, args);
+			cmdline[len] = ' ';
+		}
 	}
 	else {
-	    printf("Booting LynxOS KDI ...\n");
+		printf ("Booting LynxOS KDI ...\n");
 	}
 
-	lynxkdi();
+	lynxkdi ();
 }
 #else
 #error "Lynx KDI support not implemented for configured CPU"
diff --git a/examples/eepro100_eeprom.c b/examples/eepro100_eeprom.c
index a52e68d..2b15d05 100644
--- a/examples/eepro100_eeprom.c
+++ b/examples/eepro100_eeprom.c
@@ -17,8 +17,9 @@
  * and release the resulting code under the GPL.
  */
 
-#define _PPC_STRING_H_		/* avoid unnecessary str/mem functions */
-#define _LINUX_STRING_H_	/* avoid unnecessary str/mem functions */
+/* avoid unnecessary memcpy function */
+#define __HAVE_ARCH_MEMCPY
+#define _PPC_STRING_H_
 
 #include <common.h>
 #include <exports.h>
diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index 2e906eb..e4189e5 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -29,24 +29,8 @@
 
 static z_stream stream;
 
-#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);
-}
+void *zalloc(void *, unsigned, unsigned);
+void zfree(void *, void *, unsigned);
 
 /* Returns length of decompressed data. */
 int cramfs_uncompress_block (void *dst, void *src, int srclen)
diff --git a/include/asm-i386/zimage.h b/include/asm-i386/zimage.h
index c7103b1..b6266e4 100644
--- a/include/asm-i386/zimage.h
+++ b/include/asm-i386/zimage.h
@@ -70,6 +70,5 @@
 		  int auto_boot);
 
 void boot_zimage(void *setup_base);
-image_header_t *fake_zimage_header(image_header_t *hdr, void *ptr, int size);
 
 #endif
diff --git a/include/image.h b/include/image.h
index 432fa22..dbbbee9 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1,4 +1,6 @@
 /*
+ * (C) Copyright 2008 Semihalf
+ *
  * (C) Copyright 2000-2005
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
@@ -31,6 +33,13 @@
 #ifndef __IMAGE_H__
 #define __IMAGE_H__
 
+#include <asm/byteorder.h>
+#include <command.h>
+#ifndef USE_HOSTCC
+#include <linux/string.h>
+#include <asm/u-boot.h>
+#endif
+
 /*
  * Operating System Codes
  */
@@ -59,25 +68,25 @@
 /*
  * CPU Architecture Codes (supported by Linux)
  */
-#define IH_CPU_INVALID		0	/* Invalid CPU	*/
-#define IH_CPU_ALPHA		1	/* Alpha	*/
-#define IH_CPU_ARM		2	/* ARM		*/
-#define IH_CPU_I386		3	/* Intel x86	*/
-#define IH_CPU_IA64		4	/* IA64		*/
-#define IH_CPU_MIPS		5	/* MIPS		*/
-#define IH_CPU_MIPS64		6	/* MIPS	 64 Bit */
-#define IH_CPU_PPC		7	/* PowerPC	*/
-#define IH_CPU_S390		8	/* IBM S390	*/
-#define IH_CPU_SH		9	/* SuperH	*/
-#define IH_CPU_SPARC		10	/* Sparc	*/
-#define IH_CPU_SPARC64		11	/* Sparc 64 Bit */
-#define IH_CPU_M68K		12	/* M68K		*/
-#define IH_CPU_NIOS		13	/* Nios-32	*/
-#define IH_CPU_MICROBLAZE	14	/* MicroBlaze   */
-#define IH_CPU_NIOS2		15	/* Nios-II	*/
-#define IH_CPU_BLACKFIN		16	/* Blackfin	*/
-#define IH_CPU_AVR32		17	/* AVR32	*/
-#define IH_CPU_ST200	        18	/* STMicroelectronics ST200  */
+#define IH_ARCH_INVALID		0	/* Invalid CPU	*/
+#define IH_ARCH_ALPHA		1	/* Alpha	*/
+#define IH_ARCH_ARM		2	/* ARM		*/
+#define IH_ARCH_I386		3	/* Intel x86	*/
+#define IH_ARCH_IA64		4	/* IA64		*/
+#define IH_ARCH_MIPS		5	/* MIPS		*/
+#define IH_ARCH_MIPS64		6	/* MIPS	 64 Bit */
+#define IH_ARCH_PPC		7	/* PowerPC	*/
+#define IH_ARCH_S390		8	/* IBM S390	*/
+#define IH_ARCH_SH		9	/* SuperH	*/
+#define IH_ARCH_SPARC		10	/* Sparc	*/
+#define IH_ARCH_SPARC64		11	/* Sparc 64 Bit */
+#define IH_ARCH_M68K		12	/* M68K		*/
+#define IH_ARCH_NIOS		13	/* Nios-32	*/
+#define IH_ARCH_MICROBLAZE	14	/* MicroBlaze   */
+#define IH_ARCH_NIOS2		15	/* Nios-II	*/
+#define IH_ARCH_BLACKFIN	16	/* Blackfin	*/
+#define IH_ARCH_AVR32		17	/* AVR32	*/
+#define IH_ARCH_ST200	        18	/* STMicroelectronics ST200  */
 
 /*
  * Image Types
@@ -157,5 +166,192 @@
 	uint8_t		ih_name[IH_NMLEN];	/* Image Name		*/
 } image_header_t;
 
+/*
+ * 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.
+ */
+#define CHUNKSZ (64 * 1024)
+
+#define image_to_cpu(x)		ntohl(x)
+#define cpu_to_image(x)		htonl(x)
+
+static inline uint32_t image_get_header_size (void)
+{
+	return (sizeof (image_header_t));
+}
+
+#define image_get_hdr_l(f) \
+	static inline uint32_t image_get_##f(image_header_t *hdr) \
+	{ \
+		return image_to_cpu (hdr->ih_##f); \
+	}
+image_get_hdr_l (magic);
+image_get_hdr_l (hcrc);
+image_get_hdr_l (time);
+image_get_hdr_l (size);
+image_get_hdr_l (load);
+image_get_hdr_l (ep);
+image_get_hdr_l (dcrc);
+
+#define image_get_hdr_b(f) \
+	static inline uint8_t image_get_##f(image_header_t *hdr) \
+	{ \
+		return hdr->ih_##f; \
+	}
+image_get_hdr_b (os);
+image_get_hdr_b (arch);
+image_get_hdr_b (type);
+image_get_hdr_b (comp);
+
+static inline char *image_get_name (image_header_t *hdr)
+{
+	return (char *)hdr->ih_name;
+}
+
+static inline uint32_t image_get_data_size (image_header_t *hdr)
+{
+	return image_get_size (hdr);
+}
+
+/**
+ * image_get_data - get image payload start address
+ * @hdr: image header
+ *
+ * image_get_data() returns address of the image payload. For single
+ * component images it is image data start. For multi component
+ * images it points to the null terminated table of sub-images sizes.
+ *
+ * returns:
+ *     image payload data start address
+ */
+static inline ulong image_get_data (image_header_t *hdr)
+{
+	return ((ulong)hdr + image_get_header_size ());
+}
+
+static inline uint32_t image_get_image_size (image_header_t *hdr)
+{
+	return (image_get_size (hdr) + image_get_header_size ());
+}
+static inline ulong image_get_image_end (image_header_t *hdr)
+{
+	return ((ulong)hdr + image_get_image_size (hdr));
+}
+
+#define image_set_hdr_l(f) \
+	static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
+	{ \
+		hdr->ih_##f = cpu_to_image (val); \
+	}
+image_set_hdr_l (magic);
+image_set_hdr_l (hcrc);
+image_set_hdr_l (time);
+image_set_hdr_l (size);
+image_set_hdr_l (load);
+image_set_hdr_l (ep);
+image_set_hdr_l (dcrc);
+
+#define image_set_hdr_b(f) \
+	static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
+	{ \
+		hdr->ih_##f = val; \
+	}
+image_set_hdr_b (os);
+image_set_hdr_b (arch);
+image_set_hdr_b (type);
+image_set_hdr_b (comp);
+
+static inline void image_set_name (image_header_t *hdr, const char *name)
+{
+	strncpy (image_get_name (hdr), name, IH_NMLEN);
+}
+
+int image_check_hcrc (image_header_t *hdr);
+int image_check_dcrc (image_header_t *hdr);
+#ifndef USE_HOSTCC
+int image_check_dcrc_wd (image_header_t *hdr, ulong chunksize);
+int getenv_verify (void);
+void memmove_wd (void *to, void *from, size_t len, ulong chunksz);
+#endif
+
+static inline int image_check_magic (image_header_t *hdr)
+{
+	return (image_get_magic (hdr) == IH_MAGIC);
+}
+static inline int image_check_type (image_header_t *hdr, uint8_t type)
+{
+	return (image_get_type (hdr) == type);
+}
+static inline int image_check_arch (image_header_t *hdr, uint8_t arch)
+{
+	return (image_get_arch (hdr) == arch);
+}
+static inline int image_check_os (image_header_t *hdr, uint8_t os)
+{
+	return (image_get_os (hdr) == os);
+}
+
+ulong image_multi_count (image_header_t *hdr);
+void image_multi_getimg (image_header_t *hdr, ulong idx,
+			ulong *data, ulong *len);
+
+#ifndef USE_HOSTCC
+static inline int image_check_target_arch (image_header_t *hdr)
+{
+#if defined(__ARM__)
+	if (!image_check_arch (hdr, IH_ARCH_ARM))
+#elif defined(__avr32__)
+	if (!image_check_arch (hdr, IH_ARCH_AVR32))
+#elif defined(__bfin__)
+	if (!image_check_arch (hdr, IH_ARCH_BLACKFIN))
+#elif defined(__I386__)
+	if (!image_check_arch (hdr, IH_ARCH_I386))
+#elif defined(__M68K__)
+	if (!image_check_arch (hdr, IH_ARCH_M68K))
+#elif defined(__microblaze__)
+	if (!image_check_arch (hdr, IH_ARCH_MICROBLAZE))
+#elif defined(__mips__)
+	if (!image_check_arch (hdr, IH_ARCH_MIPS))
+#elif defined(__nios__)
+	if (!image_check_arch (hdr, IH_ARCH_NIOS))
+#elif defined(__nios2__)
+	if (!image_check_arch (hdr, IH_ARCH_NIOS2))
+#elif defined(__PPC__)
+	if (!image_check_arch (hdr, IH_ARCH_PPC))
+#elif defined(__sh__)
+	if (!image_check_arch (hdr, IH_ARCH_SH))
+#else
+# error Unknown CPU type
+#endif
+		return 0;
+
+	return 1;
+}
+
+const char* image_get_os_name (uint8_t os);
+const char* image_get_arch_name (uint8_t arch);
+const char* image_get_type_name (uint8_t type);
+const char* image_get_comp_name (uint8_t comp);
+
+image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[],
+		ulong rd_addr, uint8_t arch, int verify);
+
+void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		image_header_t *hdr, int verify, uint8_t arch,
+		ulong *rd_start, ulong *rd_end);
+
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+ulong ramdisk_high (ulong alloc_current, ulong rd_data, ulong rd_len,
+		bd_t *kbd, ulong sp_limit, ulong sp,
+		ulong *initrd_start, ulong *initrd_end);
+
+ulong get_boot_sp_limit (ulong sp);
+ulong get_boot_cmdline (ulong alloc_current, ulong *cmd_start, ulong *cmd_end);
+ulong get_boot_kbd (ulong alloc_current, bd_t **kbd);
+#endif /* CONFIG_PPC || CONFIG_M68K */
+
+#endif /* USE_HOSTCC */
 
 #endif	/* __IMAGE_H__ */
diff --git a/lib_arm/Makefile b/lib_arm/Makefile
index bfd5b0e..18c9e97 100644
--- a/lib_arm/Makefile
+++ b/lib_arm/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	= _ashldi3.o _ashrdi3.o _divsi3.o _modsi3.o _udivsi3.o _umodsi3.o
 
-COBJS	= armlinux.o board.o \
+COBJS	= board.o bootm.o \
 	  cache.o div0.o interrupts.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/lib_arm/armlinux.c b/lib_arm/bootm.c
similarity index 68%
rename from lib_arm/armlinux.c
rename to lib_arm/bootm.c
index 42098fc..31c2d67 100644
--- a/lib_arm/armlinux.c
+++ b/lib_arm/bootm.c
@@ -26,15 +26,9 @@
 #include <image.h>
 #include <zlib.h>
 #include <asm/byteorder.h>
-#ifdef CONFIG_HAS_DATAFLASH
-#include <dataflash.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_SETUP_MEMORY_TAGS) || \
     defined (CONFIG_CMDLINE_TAG) || \
     defined (CONFIG_INITRD_TAG) || \
@@ -66,17 +60,11 @@
 static struct tag *params;
 #endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
 
-extern image_header_t header;	/* from cmd_bootm.c */
-
-
 void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		     ulong addr, ulong *len_ptr, int verify)
+		     image_header_t *hdr, int verify)
 {
-	ulong len = 0, checksum;
 	ulong initrd_start, initrd_end;
-	ulong data;
 	void (*theKernel)(int zero, int arch, uint params);
-	image_header_t *hdr = &header;
 	bd_t *bd = gd->bd;
 	int machid = bd->bi_arch_number;
 	char *s;
@@ -85,7 +73,7 @@
 	char *commandline = getenv ("bootargs");
 #endif
 
-	theKernel = (void (*)(int, int, uint))ntohl(hdr->ih_ep);
+	theKernel = (void (*)(int, int, uint))image_get_ep (hdr);
 
 	s = getenv ("machid");
 	if (s) {
@@ -93,134 +81,8 @@
 		printf ("Using machid 0x%x from environment\n", machid);
 	}
 
-	/*
-	 * Check if there is an initrd image
-	 */
-	if (argc >= 3) {
-		show_boot_progress (9);
-
-		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 */
-#ifdef CONFIG_HAS_DATAFLASH
-		if (addr_dataflash (addr)) {
-			read_dataflash (addr, sizeof (image_header_t),
-					(char *) &header);
-		} else
-#endif
-			memcpy (&header, (char *) addr,
-				sizeof (image_header_t));
-
-		if (ntohl (hdr->ih_magic) != IH_MAGIC) {
-			printf ("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		data = (ulong) & header;
-		len = sizeof (image_header_t);
-
-		checksum = ntohl (hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
-
-		if (crc32 (0, (unsigned char *) data, len) != checksum) {
-			printf ("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		show_boot_progress (10);
-
-		print_image_hdr (hdr);
-
-		data = addr + sizeof (image_header_t);
-		len = ntohl (hdr->ih_size);
-
-#ifdef CONFIG_HAS_DATAFLASH
-		if (addr_dataflash (addr)) {
-			read_dataflash (data, len, (char *) CFG_LOAD_ADDR);
-			data = CFG_LOAD_ADDR;
-		}
-#endif
-
-		if (verify) {
-			ulong csum = 0;
-
-			printf ("   Verifying Checksum ... ");
-			csum = crc32 (0, (unsigned char *) data, len);
-			if (csum != ntohl (hdr->ih_dcrc)) {
-				printf ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			printf ("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_ARM) ||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			printf ("No Linux ARM Ramdisk Image\n");
-			show_boot_progress (-13);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) ||	\
-		defined(CONFIG_ARMADILLO) || defined(CONFIG_M501SK)
-		/*
-		 *we need to copy the ramdisk to SRAM to let Linux boot
-		 */
-		memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
-		data = ntohl(hdr->ih_load);
-#endif /* CONFIG_B2 || CONFIG_EVB4510 */
-
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
-		ulong 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;
-		}
-
-		len = ntohl (len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
-
-		len = data = 0;
-	}
-
-#ifdef	DEBUG
-	if (!data) {
-		printf ("No initrd\n");
-	}
-#endif
-
-	if (data) {
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_ARM, &initrd_start, &initrd_end);
 
 	show_boot_progress (15);
 
diff --git a/lib_avr32/Makefile b/lib_avr32/Makefile
index bb2938f..ebe237b 100644
--- a/lib_avr32/Makefile
+++ b/lib_avr32/Makefile
@@ -29,7 +29,7 @@
 
 SOBJS	= memset.o
 
-COBJS	= board.o interrupts.o avr32_linux.o
+COBJS	= board.o interrupts.o bootm.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_avr32/avr32_linux.c b/lib_avr32/bootm.c
similarity index 66%
rename from lib_avr32/avr32_linux.c
rename to lib_avr32/bootm.c
index 62afbd2..a934cae 100644
--- a/lib_avr32/avr32_linux.c
+++ b/lib_avr32/bootm.c
@@ -31,13 +31,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 /* CPU-specific hook to allow flushing of caches, etc. */
 extern void prepare_to_boot(void);
 
-extern image_header_t header;		/* from cmd_bootm.c */
-
 static struct tag *setup_start_tag(struct tag *params)
 {
 	params->hdr.tag = ATAG_CORE;
@@ -176,113 +172,18 @@
 }
 
 void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		    unsigned long addr, unsigned long *len_ptr, int verify)
+		    image_header_t *hdr, int verify)
 {
-	unsigned long data, len = 0;
-	unsigned long initrd_start, initrd_end;
-	unsigned long image_start, image_end;
-	unsigned long checksum;
+	ulong initrd_start, initrd_end;
+
 	void (*theKernel)(int magic, void *tagtable);
-	image_header_t *hdr;
 	struct tag *params, *params_start;
 	char *commandline = getenv("bootargs");
 
-	hdr = (image_header_t *)addr;
-	image_start = addr;
-	image_end = addr + hdr->ih_size;
-
-	theKernel = (void *)ntohl(hdr->ih_ep);
-
-	/*
-	 * Check if there is an initrd image
-	 */
-	if (argc >= 3) {
-		show_boot_progress (9);
-
-		addr = simple_strtoul(argv[2], NULL, 16);
-
-		printf("## Loading RAMDISK image at %08lx ...\n", addr);
-
-		memcpy(&header, (char *)addr, sizeof(header));
-		hdr = &header;
-
-		if (ntohl(hdr->ih_magic) != IH_MAGIC) {
-			puts("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset(cmdtp, flag, argc, argv);
-		}
-
-		data = (unsigned long)hdr;
-		len = sizeof(*hdr);
-		checksum = ntohl(hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
-
-		if (crc32(0, (unsigned char *)data, len) != checksum) {
-			puts("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset(cmdtp, flag, argc, argv);
-		}
+	theKernel = (void *)image_get_ep (hdr);
 
-		show_boot_progress (10);
-
-		print_image_hdr(hdr);
-
-		data = addr + sizeof(header);
-		len = ntohl(hdr->ih_size);
-
-		if (verify) {
-			unsigned long csum = 0;
-
-			puts("   Verifying Checksum ... ");
-			csum = crc32(0, (unsigned char *)data, len);
-			if (csum != ntohl(hdr->ih_dcrc)) {
-				puts("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset(cmdtp, flag, argc, argv);
-			}
-			puts("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_AVR32) ||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			puts("Not a Linux/AVR32 RAMDISK image\n");
-			show_boot_progress (-13);
-			do_reset(cmdtp, flag, argc, argv);
-		}
-	} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
-		ulong 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;
-		}
-
-		len = ntohl (len_ptr[1]);
-	} else {
-		/* no initrd image */
-		show_boot_progress (14);
-		len = data = 0;
-	}
-
-	if (data) {
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_AVR32, &initrd_start, &initrd_end);
 
 	show_boot_progress (15);
 
diff --git a/lib_blackfin/Makefile b/lib_blackfin/Makefile
index a7aaef7..ac3fb28 100644
--- a/lib_blackfin/Makefile
+++ b/lib_blackfin/Makefile
@@ -31,7 +31,7 @@
 
 SOBJS	= memcpy.o memcmp.o memset.o memmove.o
 
-COBJS	= post.o tests.o board.o bf533_linux.o bf533_string.o cache.o muldi3.o
+COBJS	= post.o tests.o board.o bootm.o bf533_string.o cache.o muldi3.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_blackfin/bf533_linux.c b/lib_blackfin/bootm.c
similarity index 93%
rename from lib_blackfin/bf533_linux.c
rename to lib_blackfin/bootm.c
index 80a3dc7..6299415 100644
--- a/lib_blackfin/bf533_linux.c
+++ b/lib_blackfin/bootm.c
@@ -42,13 +42,12 @@
 extern void swap_to(int device_id);
 #endif
 
-extern image_header_t header;
 extern void flush_instruction_cache(void);
 extern void flush_data_cache(void);
 static char *make_command_line(void);
 
 void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
-		    ulong addr, ulong * len_ptr, int verify)
+		    image_header_t *hdr, int verify)
 {
 	int (*appl) (char *cmdline);
 	char *cmdline;
@@ -57,7 +56,7 @@
 	swap_to(FLASH);
 #endif
 
-	appl = (int (*)(char *))ntohl(header.ih_ep);
+	appl = (int (*)(char *))image_get_ep (hdr);
 	printf("Starting Kernel at = %x\n", appl);
 	cmdline = make_command_line();
 	if (icache_status()) {
diff --git a/lib_generic/bzlib.c b/lib_generic/bzlib.c
index 87e6a6e..0d3f9c2 100644
--- a/lib_generic/bzlib.c
+++ b/lib_generic/bzlib.c
@@ -1592,6 +1592,10 @@
 }
 #endif
 
+void bz_internal_error(int errcode)
+{
+	printf ("BZIP2 internal error %d\n", errcode);
+}
 
 /*-------------------------------------------------------------*/
 /*--- end                                           bzlib.c ---*/
diff --git a/lib_i386/Makefile b/lib_i386/Makefile
index e344da5..ef0ba54 100644
--- a/lib_i386/Makefile
+++ b/lib_i386/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	= bios.o bios_pci.o realmode_switch.o
 
-COBJS	= board.o bios_setup.o i386_linux.o zimage.o realmode.o \
+COBJS	= board.o bios_setup.o bootm.o zimage.o realmode.o \
 	  pci_type1.o pci.o video_bios.o video.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/lib_i386/bootm.c b/lib_i386/bootm.c
new file mode 100644
index 0000000..ab6c2a9
--- /dev/null
+++ b/lib_i386/bootm.c
@@ -0,0 +1,72 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+#include <asm/zimage.h>
+
+/*cmd_boot.c*/
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		image_header_t *hdr, int verify)
+{
+	void *base_ptr;
+
+	ulong os_data, os_len;
+	ulong initrd_start, initrd_end;
+
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_I386, &initrd_start, &initrd_end);
+
+	/* if multi-part image, we need to advance base ptr */
+	if (image_check_type (hdr, IH_TYPE_MULTI)) {
+		image_multi_getimg (hdr, 0, &os_data, &os_len);
+	} else {
+		os_data = image_get_data (hdr);
+		os_len = image_get_data_size (hdr);
+	}
+
+	base_ptr = load_zimage ((void*)os_data, os_len,
+			initrd_start, initrd_end - initrd_start, 0);
+
+	if (NULL == base_ptr) {
+		printf ("## Kernel loading failed ...\n");
+		do_reset(cmdtp, flag, argc, argv);
+
+	}
+
+#ifdef DEBUG
+	printf ("## Transferring control to Linux (at address %08x) ...\n",
+		(u32)base_ptr);
+#endif
+
+	/* we assume that the kernel is in place */
+	printf("\nStarting kernel ...\n\n");
+
+	boot_zimage(base_ptr);
+
+}
diff --git a/lib_i386/i386_linux.c b/lib_i386/i386_linux.c
deleted file mode 100644
index b4a6f5a3..0000000
--- a/lib_i386/i386_linux.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <image.h>
-#include <zlib.h>
-#include <asm/byteorder.h>
-#include <asm/zimage.h>
-
-/*cmd_boot.c*/
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
-extern image_header_t header;           /* from cmd_bootm.c */
-
-
-image_header_t *fake_header(image_header_t *hdr, void *ptr, int size)
-{
-	/* try each supported image type in order */
-	if (NULL != fake_zimage_header(hdr, ptr, size)) {
-		return hdr;
-	}
-
-	return NULL;
-}
-
-
-void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		ulong addr, ulong *len_ptr, int   verify)
-{
-	void *base_ptr;
-
-	ulong len = 0, checksum;
-	ulong initrd_start, initrd_end;
-	ulong data;
-	image_header_t *hdr = &header;
-
-	/*
-	 * Check if there is an initrd image
-	 */
-	if (argc >= 3) {
-		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 */
-		memcpy (&header, (char *)addr, sizeof(image_header_t));
-
-		if (ntohl(hdr->ih_magic) != IH_MAGIC) {
-			printf ("Bad Magic Number\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		data = (ulong)&header;
-		len  = sizeof(image_header_t);
-
-		checksum = ntohl(hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
-
-		if (crc32 (0, (char *)data, len) != checksum) {
-			printf ("Bad Header Checksum\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		print_image_hdr (hdr);
-
-		data = addr + sizeof(image_header_t);
-		len  = ntohl(hdr->ih_size);
-
-		if (verify) {
-			ulong csum = 0;
-
-			printf ("   Verifying Checksum ... ");
-			csum = crc32 (0, (char *)data, len);
-			if (csum != ntohl(hdr->ih_dcrc)) {
-				printf ("Bad Data CRC\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			printf ("OK\n");
-		}
-
-		if ((hdr->ih_os   != IH_OS_LINUX)	||
-		    (hdr->ih_arch != IH_CPU_I386)	||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)	) {
-			printf ("No Linux i386 Ramdisk Image\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
-		ulong tail    = ntohl(len_ptr[0]) % 4;
-		int i;
-
-		/* 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;
-		}
-
-		len   = ntohl(len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		data = 0;
-	}
-
-#ifdef	DEBUG
-	if (!data) {
-		printf ("No initrd\n");
-	}
-#endif
-
-	if (data) {
-		initrd_start = data;
-		initrd_end   = initrd_start + len;
-		printf ("   Loading Ramdisk to %08lx, end %08lx ... ",
-			initrd_start, initrd_end);
-		memmove ((void *)initrd_start, (void *)data, len);
-		printf ("OK\n");
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
-
-	/* if multi-part image, we need to advance base ptr */
-	if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
-		int i;
-		for (i=0, addr+=sizeof(int); len_ptr[i++]; addr+=sizeof(int));
-	}
-
-	base_ptr = load_zimage((void*)addr + sizeof(image_header_t), ntohl(hdr->ih_size),
-			       initrd_start, initrd_end-initrd_start, 0);
-
-	if (NULL == base_ptr) {
-		printf ("## Kernel loading failed ...\n");
-		do_reset(cmdtp, flag, argc, argv);
-
-	}
-
-#ifdef DEBUG
-	printf ("## Transferring control to Linux (at address %08x) ...\n",
-		(u32)base_ptr);
-#endif
-
-	/* we assume that the kernel is in place */
-	printf("\nStarting kernel ...\n\n");
-
-	boot_zimage(base_ptr);
-
-}
diff --git a/lib_i386/zimage.c b/lib_i386/zimage.c
index 3510f2f..c3b4e59 100644
--- a/lib_i386/zimage.c
+++ b/lib_i386/zimage.c
@@ -212,7 +212,6 @@
 	return setup_base;
 }
 
-
 void boot_zimage(void *setup_base)
 {
 	struct pt_regs regs;
@@ -224,52 +223,3 @@
 	regs.eflags = 0;
 	enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, &regs, &regs);
 }
-
-
-image_header_t *fake_zimage_header(image_header_t *hdr, void *ptr, int size)
-{
-	/* There is no way to know the size of a zImage ... *
-	 * so we assume that 2MB will be enough for now */
-#define ZIMAGE_SIZE 0x200000
-
-	/* load a 1MB, the loaded will have to be moved to its final
-	 * position again later... */
-#define ZIMAGE_LOAD 0x100000
-
-	ulong checksum;
-
-	if (KERNEL_MAGIC != *(u16*)(ptr + BOOT_FLAG_OFF)) {
-		/* not a zImage or bzImage */
-		return NULL;
-	}
-
-	if (-1 == size) {
-		size = ZIMAGE_SIZE;
-	}
-#if 0
-	checksum = crc32 (0, ptr, size);
-#else
-	checksum = 0;
-#endif
-	memset(hdr, 0, sizeof(image_header_t));
-
-	/* Build new header */
-	hdr->ih_magic = htonl(IH_MAGIC);
-	hdr->ih_time  = 0;
-	hdr->ih_size  = htonl(size);
-	hdr->ih_load  = htonl(ZIMAGE_LOAD);
-	hdr->ih_ep    = 0;
-	hdr->ih_dcrc  = htonl(checksum);
-	hdr->ih_os    = IH_OS_LINUX;
-	hdr->ih_arch  = IH_CPU_I386;
-	hdr->ih_type  = IH_TYPE_KERNEL;
-	hdr->ih_comp  = IH_COMP_NONE;
-
-	strncpy((char *)hdr->ih_name, "(none)", IH_NMLEN);
-
-	checksum = crc32(0,(const char *)hdr,sizeof(image_header_t));
-
-	hdr->ih_hcrc = htonl(checksum);
-
-	return hdr;
-}
diff --git a/lib_m68k/Makefile b/lib_m68k/Makefile
index 03784fd..d515223 100644
--- a/lib_m68k/Makefile
+++ b/lib_m68k/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	=
 
-COBJS	= cache.o traps.o time.o interrupts.o board.o m68k_linux.o
+COBJS	= cache.o traps.o time.o interrupts.o board.o bootm.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c
new file mode 100644
index 0000000..ac04da0
--- /dev/null
+++ b/lib_m68k/bootm.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307	 USA
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <bzlib.h>
+#include <watchdog.h>
+#include <environment.h>
+#include <asm/byteorder.h>
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PHYSADDR(x) x
+
+#define LINUX_MAX_ENVS		256
+#define LINUX_MAX_ARGS		256
+
+static ulong get_sp (void);
+static void set_clocks_in_mhz (bd_t *kbd);
+
+void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
+		    int argc, char *argv[],
+		    image_header_t *hdr, int verify)
+{
+	ulong sp, sp_limit, alloc_current;
+
+	ulong rd_data_start, rd_data_end, rd_len;
+	ulong initrd_start, initrd_end;
+
+	ulong cmd_start, cmd_end;
+	bd_t *kbd;
+	void (*kernel) (bd_t *, ulong, ulong, ulong, ulong);
+
+	/*
+	 * 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.
+	 */
+	sp = get_sp();
+	debug ("## Current stack ends at 0x%08lx ", sp);
+
+	alloc_current = sp_limit = get_boot_sp_limit(sp);
+	debug ("=> set upper limit to 0x%08lx\n", sp_limit);
+
+	/* allocate space and init command line */
+	alloc_current = get_boot_cmdline (alloc_current, &cmd_start, &cmd_end);
+
+	/* allocate space for kernel copy of board info */
+	alloc_current = get_boot_kbd (alloc_current, &kbd);
+	set_clocks_in_mhz(kbd);
+
+	/* find kernel */
+	kernel =
+	    (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
+
+	/* find ramdisk */
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_M68K, &rd_data_start, &rd_data_end);
+
+	rd_len = rd_data_end - rd_data_start;
+	alloc_current = ramdisk_high (alloc_current, rd_data_start, rd_len,
+			kbd, sp_limit, get_sp (),
+			&initrd_start, &initrd_end);
+
+	debug("## Transferring control to Linux (at address %08lx) ...\n",
+	      (ulong) kernel);
+
+	show_boot_progress (15);
+
+	/*
+	 * 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 */
+}
+
+static ulong get_sp (void)
+{
+	ulong sp;
+
+	asm("movel %%a7, %%d0\n"
+	    "movel %%d0, %0\n": "=d"(sp): :"%d0");
+
+	return sp;
+}
+
+static void set_clocks_in_mhz (bd_t *kbd)
+{
+	char *s;
+
+	if ((s = getenv("clocks_in_mhz")) != NULL) {
+		/* convert all clock information to MHz */
+		kbd->bi_intfreq /= 1000000L;
+		kbd->bi_busfreq /= 1000000L;
+	}
+}
diff --git a/lib_m68k/m68k_linux.c b/lib_m68k/m68k_linux.c
deleted file mode 100644
index cc974c2..0000000
--- a/lib_m68k/m68k_linux.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307	 USA
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <image.h>
-#include <zlib.h>
-#include <bzlib.h>
-#include <watchdog.h>
-#include <environment.h>
-#include <asm/byteorder.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define PHYSADDR(x) x
-
-#define LINUX_MAX_ENVS		256
-#define LINUX_MAX_ARGS		256
-
-#define CHUNKSZ			(64 * 1024)
-
-#ifdef CONFIG_SHOW_BOOT_PROGRESS
-# include <status_led.h>
-# define SHOW_BOOT_PROGRESS(arg)	show_boot_progress(arg)
-#else
-# define SHOW_BOOT_PROGRESS(arg)
-#endif
-
-extern image_header_t header;
-
-void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
-		    int argc, char *argv[],
-		    ulong addr, ulong * len_ptr, 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 ((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;
-	}
-
-#ifdef CONFIG_LOGBUFFER
-	kbd = gd->bd;
-	/* Prevent initrd from overwriting logbuffer */
-	if (initrd_high < (kbd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD))
-		initrd_high = kbd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD;
-	debug("## Logbuffer at 0x%08lX ", kbd->bi_memsize - LOGBUFF_LEN);
-#endif
-
-	/*
-	 * 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("movel %%a7, %%d0\n"
-	    "movel %%d0, %0\n": "=d"(sp): :"%d0");
-
-	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);
-
-#ifdef	DEBUG
-	printf("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
-
-	do_bdinfo(NULL, 0, 0, NULL);
-#endif
-
-	if ((s = getenv("clocks_in_mhz")) != NULL) {
-		/* convert all clock information to MHz */
-		kbd->bi_intfreq /= 1000000L;
-		kbd->bi_busfreq /= 1000000L;
-	}
-
-	kernel =
-	    (void (*)(bd_t *, ulong, ulong, ulong, ulong))ntohl(hdr->ih_ep);
-
-	/*
-	 * Check if there is an initrd image
-	 */
-
-	if (argc >= 3) {
-		debug("Not skipping initrd\n");
-		SHOW_BOOT_PROGRESS(9);
-
-		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);
-		}
-
-		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");
-			SHOW_BOOT_PROGRESS(-11);
-			do_reset(cmdtp, flag, argc, argv);
-		}
-
-		SHOW_BOOT_PROGRESS(10);
-
-		print_image_hdr(hdr);
-
-		data = addr + sizeof(image_header_t);
-		len = ntohl(hdr->ih_size);
-
-		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 */
-
-			puts("   Verifying Checksum ... ");
-
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-
-			while (cdata < edata) {
-				ulong chunk = edata - cdata;
-
-				if (chunk > CHUNKSZ)
-					chunk = CHUNKSZ;
-				csum = crc32(csum, (uchar *) cdata, chunk);
-				cdata += chunk;
-
-				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");
-		}
-
-		SHOW_BOOT_PROGRESS(11);
-
-		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_M68K) ||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			puts("No Linux ColdFire Ramdisk Image\n");
-			SHOW_BOOT_PROGRESS(-13);
-			do_reset(cmdtp, flag, argc, argv);
-		}
-
-		/*
-		 * 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;
-		}
-
-		len = ntohl(len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		SHOW_BOOT_PROGRESS(14);
-
-		len = data = 0;
-	}
-
-	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 */
-
-			if (initrd_high) {
-				ulong nsp;
-
-				/*
-				 * 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("movel %%a7, %%d0\n"
-				    "movel %%d0, %0\n": "=d"(nsp): :"%d0");
-
-				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;
-			}
-
-			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;
-				}
-			}
-#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;
-	}
-
-	debug("## Transferring control to Linux (at address %08lx) ...\n",
-	      (ulong) kernel);
-
-	SHOW_BOOT_PROGRESS(15);
-
-	/*
-	 * 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 */
-}
diff --git a/lib_microblaze/Makefile b/lib_microblaze/Makefile
index 82b7bea..9b317a2 100644
--- a/lib_microblaze/Makefile
+++ b/lib_microblaze/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	=
 
-COBJS	= board.o microblaze_linux.o time.o cache.o
+COBJS	= board.o bootm.o time.o cache.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_microblaze/bootm.c b/lib_microblaze/bootm.c
new file mode 100644
index 0000000..bccfbe1
--- /dev/null
+++ b/lib_microblaze/bootm.c
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Michal  SIMEK <monstr@monstr.eu>
+ * Yasushi SHOJI <yashi@atmark-techno.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
+		     image_header_t *hdr, int verify)
+{
+	/* First parameter is mapped to $r5 for kernel boot args */
+	void (*theKernel) (char *);
+	char *commandline = getenv ("bootargs");
+
+	theKernel = (void (*)(char *))image_get_ep (hdr);
+
+	show_boot_progress (15);
+
+#ifdef DEBUG
+	printf ("## Transferring control to Linux (at address %08lx) ...\n",
+		(ulong) theKernel);
+#endif
+
+	theKernel (commandline);
+}
diff --git a/lib_microblaze/microblaze_linux.c b/lib_microblaze/microblaze_linux.c
deleted file mode 100644
index 68b58d4..0000000
--- a/lib_microblaze/microblaze_linux.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- * (C) Copyright 2004 Atmark Techno, Inc.
- *
- * Michal  SIMEK <monstr@monstr.eu>
- * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <image.h>
-#include <zlib.h>
-#include <asm/byteorder.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-extern image_header_t header;	/* from cmd_bootm.c */
-/*cmd_boot.c*/
-extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
-
-void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
-		     ulong addr, ulong * len_ptr, int verify)
-{
-	ulong len = 0, checksum;
-	ulong initrd_start, initrd_end;
-	ulong data;
-	/* First parameter is mapped to $r5 for kernel boot args */
-	void (*theKernel) (char *);
-	image_header_t *hdr = &header;
-	char *commandline = getenv ("bootargs");
-	int i;
-
-	theKernel = (void (*)(char *))ntohl (hdr->ih_ep);
-
-	/* Check if there is an initrd image */
-	if (argc >= 3) {
-		show_boot_progress (9);
-
-		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 */
-		memcpy (&header, (char *)addr, sizeof (image_header_t));
-
-		if (ntohl (hdr->ih_magic) != IH_MAGIC) {
-			printf ("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		data = (ulong) & header;
-		len = sizeof (image_header_t);
-
-		checksum = ntohl (hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
-
-		if (crc32 (0, (char *)data, len) != checksum) {
-			printf ("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		show_boot_progress (10);
-
-		print_image_hdr (hdr);
-
-		data = addr + sizeof (image_header_t);
-		len = ntohl (hdr->ih_size);
-
-		if (verify) {
-			ulong csum = 0;
-
-			printf ("   Verifying Checksum ... ");
-			csum = crc32 (0, (char *)data, len);
-			if (csum != ntohl (hdr->ih_dcrc)) {
-				printf ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			printf ("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_MICROBLAZE) ||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			printf ("No Linux Microblaze Ramdisk Image\n");
-			show_boot_progress (-13);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
-		ulong tail = ntohl (len_ptr[0]) % 4;
-
-		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;
-		}
-
-		len = ntohl (len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
-
-		data = 0;
-	}
-
-#ifdef  DEBUG
-	if (!data) {
-		printf ("No initrd\n");
-	}
-#endif
-
-	if (data) {
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
-
-	show_boot_progress (15);
-
-#ifdef DEBUG
-	printf ("## Transferring control to Linux (at address %08lx) ...\n",
-		(ulong) theKernel);
-#endif
-
-	theKernel (commandline);
-}
diff --git a/lib_mips/Makefile b/lib_mips/Makefile
index 3163f00..93cca7a 100644
--- a/lib_mips/Makefile
+++ b/lib_mips/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	=
 
-COBJS	= board.o time.o mips_linux.o
+COBJS	= board.o time.o bootm.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_mips/mips_linux.c b/lib_mips/bootm.c
similarity index 62%
rename from lib_mips/mips_linux.c
rename to lib_mips/bootm.c
index 556b180..fb91c76 100644
--- a/lib_mips/mips_linux.c
+++ b/lib_mips/bootm.c
@@ -33,10 +33,6 @@
 #define	LINUX_MAX_ENVS		256
 #define	LINUX_MAX_ARGS		256
 
-extern image_header_t header;           /* from cmd_bootm.c */
-
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 static int	linux_argc;
 static char **	linux_argv;
 
@@ -49,124 +45,19 @@
 
 
 void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
-		     ulong addr, ulong * len_ptr, int verify)
+		     image_header_t *hdr, int verify)
 {
-	ulong len = 0, checksum;
 	ulong initrd_start, initrd_end;
-	ulong data;
+
 	void (*theKernel) (int, char **, char **, int *);
-	image_header_t *hdr = &header;
 	char *commandline = getenv ("bootargs");
 	char env_buf[12];
 
 	theKernel =
-		(void (*)(int, char **, char **, int *)) ntohl (hdr->ih_ep);
-
-	/*
-	 * Check if there is an initrd image
-	 */
-	if (argc >= 3) {
-		show_boot_progress (9);
-
-		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 */
-		memcpy (&header, (char *) addr, sizeof (image_header_t));
-
-		if (ntohl (hdr->ih_magic) != IH_MAGIC) {
-			printf ("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		data = (ulong) & header;
-		len = sizeof (image_header_t);
-
-		checksum = ntohl (hdr->ih_hcrc);
-		hdr->ih_hcrc = 0;
-
-		if (crc32 (0, (uchar *) data, len) != checksum) {
-			printf ("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		show_boot_progress (10);
-
-		print_image_hdr (hdr);
-
-		data = addr + sizeof (image_header_t);
-		len = ntohl (hdr->ih_size);
-
-		if (verify) {
-			ulong csum = 0;
-
-			printf ("   Verifying Checksum ... ");
-			csum = crc32 (0, (uchar *) data, len);
-			if (csum != ntohl (hdr->ih_dcrc)) {
-				printf ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			printf ("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		if ((hdr->ih_os != IH_OS_LINUX) ||
-		    (hdr->ih_arch != IH_CPU_MIPS) ||
-		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
-			printf ("No Linux MIPS Ramdisk Image\n");
-			show_boot_progress (-13);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
-		ulong 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;
-		}
-
-		len = ntohl (len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
-
-		data = 0;
-	}
-
-#ifdef	DEBUG
-	if (!data) {
-		printf ("No initrd\n");
-	}
-#endif
+		(void (*)(int, char **, char **, int *))image_get_ep (hdr);
 
-	if (data) {
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_MIPS, &initrd_start, &initrd_end);
 
 	show_boot_progress (15);
 
diff --git a/lib_nios/Makefile b/lib_nios/Makefile
index 7c9d62c..d8ae7bd 100644
--- a/lib_nios/Makefile
+++ b/lib_nios/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	=
 
-COBJS	= board.o cache.o divmod.o nios_linux.o mult.o time.o
+COBJS	= board.o cache.o divmod.o bootm.o mult.o time.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_nios/nios_linux.c b/lib_nios/bootm.c
similarity index 95%
rename from lib_nios/nios_linux.c
rename to lib_nios/bootm.c
index eef1757..55f7e3a 100644
--- a/lib_nios/nios_linux.c
+++ b/lib_nios/bootm.c
@@ -29,6 +29,6 @@
  *
  */
 void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		ulong addr, ulong *len_ptr, int   verify)
+		image__header_t *hdr, int verify)
 {
 }
diff --git a/lib_nios2/Makefile b/lib_nios2/Makefile
index 1ff2f29..5f996d3 100644
--- a/lib_nios2/Makefile
+++ b/lib_nios2/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	= cache.o
 
-COBJS	= board.o divmod.o nios_linux.o mult.o time.o
+COBJS	= board.o divmod.o bootm.o mult.o time.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_nios2/nios_linux.c b/lib_nios2/bootm.c
similarity index 85%
rename from lib_nios2/nios_linux.c
rename to lib_nios2/bootm.c
index 9eb3426..cb84324 100644
--- a/lib_nios2/nios_linux.c
+++ b/lib_nios2/bootm.c
@@ -25,13 +25,10 @@
 #include <command.h>
 #include <asm/byteorder.h>
 
-extern image_header_t header;	/* common/cmd_bootm.c */
-
 void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		ulong addr, ulong *len_ptr, int   verify)
+		image_header_t *hdr, int verify)
 {
-	image_header_t *hdr = &header;
-	void (*kernel)(void) = (void (*)(void))ntohl (hdr->ih_ep);
+	void (*kernel)(void) = (void (*)(void))image_get_ep (hdr);
 
 	/* For now we assume the Microtronix linux ... which only
 	 * needs to be called ;-)
diff --git a/lib_ppc/Makefile b/lib_ppc/Makefile
index afbd5ca..61507b0 100644
--- a/lib_ppc/Makefile
+++ b/lib_ppc/Makefile
@@ -28,7 +28,8 @@
 SOBJS	= ppccache.o ppcstring.o ticks.o
 
 COBJS	= board.o \
-	  bat_rw.o cache.o extable.o kgdb.o time.o interrupts.o
+	  bat_rw.o cache.o extable.o kgdb.o time.o interrupts.o \
+	  bootm.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
new file mode 100644
index 0000000..69ec459
--- /dev/null
+++ b/lib_ppc/bootm.c
@@ -0,0 +1,376 @@
+/*
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define DEBUG
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <image.h>
+#include <malloc.h>
+#include <zlib.h>
+#include <bzlib.h>
+#include <environment.h>
+#include <asm/byteorder.h>
+
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+static void fdt_error (const char *msg);
+static ulong get_fdt (ulong alloc_current, cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[],
+		image_header_t *hdr, char **of_flat_tree);
+#endif
+
+#ifdef CFG_INIT_RAM_LOCK
+#include <asm/cache.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+static ulong get_sp (void);
+static void set_clocks_in_mhz (bd_t *kbd);
+
+void  __attribute__((noinline))
+do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
+		int	argc, char *argv[],
+		image_header_t *hdr,
+		int	verify)
+{
+	ulong	sp, sp_limit, alloc_current;
+
+	ulong	initrd_start, initrd_end;
+	ulong	rd_data_start, rd_data_end, rd_len;
+
+	ulong	cmd_start, cmd_end;
+	bd_t	*kbd;
+	void	(*kernel)(bd_t *, ulong, ulong, ulong, ulong);
+
+#if defined(CONFIG_OF_LIBFDT)
+	char	*of_flat_tree;
+#endif
+
+	/*
+	 * 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.
+	 */
+	sp = get_sp();
+	debug ("## Current stack ends at 0x%08lx ", sp);
+
+	alloc_current = sp_limit = get_boot_sp_limit(sp);
+	debug ("=> set upper limit to 0x%08lx\n", sp_limit);
+
+	/* allocate space and init command line */
+	alloc_current = get_boot_cmdline (alloc_current, &cmd_start, &cmd_end);
+
+	/* allocate space for kernel copy of board info */
+	alloc_current = get_boot_kbd (alloc_current, &kbd);
+	set_clocks_in_mhz(kbd);
+
+	/* find kernel */
+	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
+
+	/* find ramdisk */
+	get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+			IH_ARCH_PPC, &rd_data_start, &rd_data_end);
+
+	rd_len = rd_data_end - rd_data_start;
+
+	alloc_current = ramdisk_high (alloc_current, rd_data_start, rd_len,
+			kbd, sp_limit, get_sp (),
+			&initrd_start, &initrd_end);
+
+#if defined(CONFIG_OF_LIBFDT)
+	/* find flattened device tree */
+	alloc_current = get_fdt (alloc_current,
+			cmdtp, flag, argc, argv, hdr, &of_flat_tree);
+
+	/*
+	 * 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) {
+			fdt_error ("/chosen node create failed");
+			do_reset (cmdtp, flag, argc, argv);
+		}
+#ifdef CONFIG_OF_HAS_UBOOT_ENV
+		if (fdt_env(of_flat_tree) < 0) {
+			fdt_error ("/u-boot-env node create failed");
+			do_reset (cmdtp, flag, argc, argv);
+		}
+#endif
+#ifdef CONFIG_OF_HAS_BD_T
+		if (fdt_bd_t(of_flat_tree) < 0) {
+			fdt_error ("/bd_t node create failed");
+			do_reset (cmdtp, flag, argc, argv);
+		}
+#endif
+#ifdef CONFIG_OF_BOARD_SETUP
+		/* Call the board-specific fixup routine */
+		ft_board_setup(of_flat_tree, gd->bd);
+#endif
+	}
+#endif	/* CONFIG_OF_LIBFDT */
+
+	debug ("## Transferring control to Linux (at address %08lx) ...\n",
+		(ulong)kernel);
+
+	show_boot_progress (15);
+
+#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
+	unlock_ram_in_cache();
+#endif
+
+#if 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 */
+	}
+#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 */
+}
+
+static ulong get_sp (void)
+{
+	ulong sp;
+
+	asm( "mr %0,1": "=r"(sp) : );
+	return sp;
+}
+
+static void set_clocks_in_mhz (bd_t *kbd)
+{
+	char	*s;
+
+	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;
+#endif
+#if defined(CONFIG_MPC5xxx)
+		kbd->bi_ipbfreq /= 1000000L;
+		kbd->bi_pcifreq /= 1000000L;
+#endif /* CONFIG_MPC5xxx */
+	}
+}
+
+#if defined(CONFIG_OF_LIBFDT)
+static void fdt_error (const char *msg)
+{
+	puts ("ERROR: ");
+	puts (msg);
+	puts (" - must RESET the board to recover.\n");
+}
+
+static ulong get_fdt (ulong alloc_current,
+		cmd_tbl_t *cmdtp, int flag,
+		int argc, char *argv[],
+		image_header_t *hdr, char **of_flat_tree)
+{
+	image_header_t	*fdt_hdr;
+	ulong		fdt_relocate = 0;
+	char		*fdt = NULL;
+	ulong		new_alloc_current;
+
+	if(argc > 3) {
+		fdt = (char *)simple_strtoul (argv[3], NULL, 16);
+		fdt_hdr = (image_header_t *)fdt;
+
+		if (fdt_check_header (fdt) == 0) {
+			printf ("## Flattened Device Tree blob at %08lx\n", fdt);
+#ifndef CFG_NO_FLASH
+			if (addr2info ((ulong)fdt) != NULL)
+				fdt_relocate = 1;
+#endif
+		} else if (image_check_magic (fdt_hdr)) {
+			ulong image_start, image_end;
+			ulong load_start, load_end;
+
+			printf ("## Flattened Device Tree Image at %08lx\n",
+					fdt_hdr);
+
+			print_image_hdr (fdt_hdr);
+
+			image_start = (ulong)fdt_hdr;
+			image_end = image_get_image_end (fdt_hdr);
+
+			load_start = image_get_load (fdt_hdr);
+			load_end = load_start + image_get_data_size (fdt_hdr);
+
+			if ((load_start < image_end) && (load_end > image_start)) {
+				fdt_error ("fdt overwritten");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+
+			puts ("   Verifying Checksum ... ");
+			if (!image_check_hcrc (fdt_hdr)) {
+				fdt_error ("fdt header checksum invalid");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+
+			if (!image_check_dcrc (fdt_hdr)) {
+				fdt_error ("fdt checksum invalid");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+			puts ("OK\n");
+
+			if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
+				fdt_error ("uImage is not a fdt");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+			if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
+				fdt_error ("uImage is compressed");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+			if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) {
+				fdt_error ("uImage data is not a fdt");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+
+			memmove ((void *)image_get_load (fdt_hdr),
+				(void *)image_get_data (fdt_hdr),
+				image_get_data_size (fdt_hdr));
+
+			fdt = (char *)image_get_load (fdt_hdr);
+		} else {
+			fdt_error ("Did not find a Flattened Device Tree");
+			do_reset (cmdtp, flag, argc, argv);
+		}
+		printf ("   Booting using the fdt at 0x%x\n",
+				fdt);
+	} else if (image_check_type (hdr, IH_TYPE_MULTI)) {
+		ulong fdt_data, fdt_len;
+
+		printf ("## Flattened Device Tree from multi "
+			"component Image at %08lX\n", (ulong)hdr);
+
+		image_multi_getimg (hdr, 2, &fdt_data, &fdt_len);
+		if (fdt_len) {
+
+			fdt = (char *)fdt_data;
+			printf ("   Booting using the fdt at 0x%x\n", fdt);
+
+#ifndef CFG_NO_FLASH
+			/* move the blob if it is in flash (set of_relocte) */
+			if (addr2info ((ulong)fdt) != NULL)
+				fdt_relocate = 1;
+#endif
+
+			if (fdt_check_header (fdt) != 0) {
+				fdt_error ("image is not a fdt");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+
+			if (be32_to_cpu (fdt_totalsize (fdt)) != fdt_len) {
+				fdt_error ("fdt size != image size");
+				do_reset (cmdtp, flag, argc, argv);
+			}
+		} else {
+			debug ("   Did not find a Flattened Device Tree");
+		}
+	}
+
+#ifdef CFG_BOOTMAPSZ
+	/*
+	 * The blob must be within CFG_BOOTMAPSZ,
+	 * so we flag it to be copied if it is not.
+	 */
+	if (fdt >= (char *)CFG_BOOTMAPSZ)
+		fdt_relocate = 1;
+#endif
+
+	/* move flattend device tree if needed */
+	if (fdt_relocate) {
+		int err;
+		ulong of_start, of_len;
+
+		of_len = be32_to_cpu (fdt_totalsize (fdt));
+
+		/* position on a 4K boundary before the alloc_current */
+		of_start  = alloc_current - of_len;
+		of_start &= ~(4096 - 1);	/* align on page */
+
+		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
+			(ulong)fdt, (ulong)fdt + of_len - 1,
+			of_len, of_len);
+
+		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
+			of_start, of_start + of_len - 1);
+
+		err = fdt_open_into (fdt, (void *)of_start, of_len);
+		if (err != 0) {
+			fdt_error ("fdt move failed");
+			do_reset (cmdtp, flag, argc, argv);
+		}
+		puts ("OK\n");
+
+		*of_flat_tree = (char *)of_start;
+		new_alloc_current = of_start;
+	} else {
+		*of_flat_tree = fdt;
+		new_alloc_current = alloc_current;
+	}
+
+	return new_alloc_current;
+}
+#endif
diff --git a/lib_sh/Makefile b/lib_sh/Makefile
index cf127a8..edb03d0 100644
--- a/lib_sh/Makefile
+++ b/lib_sh/Makefile
@@ -24,7 +24,7 @@
 
 SOBJS	=
 
-COBJS	= board.o sh_linux.o # time.o
+COBJS	= board.o bootm.o # time.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/lib_sh/sh_linux.c b/lib_sh/bootm.c
similarity index 91%
rename from lib_sh/sh_linux.c
rename to lib_sh/bootm.c
index 14b6815..4e5fe77 100644
--- a/lib_sh/sh_linux.c
+++ b/lib_sh/bootm.c
@@ -25,8 +25,6 @@
 #include <command.h>
 #include <asm/byteorder.h>
 
-extern image_header_t header;	/* common/cmd_bootm.c */
-
 /* The SH kernel reads arguments from the empty zero page at location
  * 0 at the start of SDRAM. The following are copied from
  * arch/sh/kernel/setup.c and may require tweaking if the kernel sources
@@ -60,11 +58,10 @@
 #endif
 
 void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		     ulong addr, ulong *len_ptr, int verify)
+                     image_header_t *hdr, int verify)
 {
-	image_header_t *hdr = &header;
 	char *bootargs = getenv("bootargs");
-	void (*kernel) (void) = (void (*)(void)) ntohl (hdr->ih_ep);
+	void (*kernel) (void) = (void (*)(void))image_get_ep (hdr);
 
 	/* Setup parameters */
 	memset(PARAM, 0, 0x1000);	/* Clear zero page */
diff --git a/tools/Makefile b/tools/Makefile
index af0de47..cbfca6d 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -23,7 +23,7 @@
 
 BIN_FILES	= img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) ubsha1$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
 
-OBJ_LINKS	= environment.o crc32.o sha1.o
+OBJ_LINKS	= environment.o crc32.o sha1.o image.o
 OBJ_FILES	= img2srec.o mkimage.o envcrc.o ubsha1.o gen_eth_addr.o bmp_logo.o
 
 ifeq ($(ARCH),mips)
@@ -137,7 +137,7 @@
 		$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
 		$(STRIP) $@
 
-$(obj)mkimage$(SFX):	$(obj)mkimage.o $(obj)crc32.o
+$(obj)mkimage$(SFX):	$(obj)mkimage.o $(obj)crc32.o $(obj)image.o
 		$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
 		$(STRIP) $@
 
@@ -173,6 +173,9 @@
 $(obj)sha1.o:	$(obj)sha1.c
 		$(CC) -g $(CFLAGS) -c -o $@ $<
 
+$(obj)image.o:	$(obj)image.c
+		$(CC) -g $(CFLAGS) -c -o $@ $<
+
 $(obj)mkimage.o:	$(src)mkimage.c
 		$(CC) -g $(CFLAGS) -c -o $@ $<
 
@@ -217,6 +220,10 @@
 		@rm -f $(obj)sha1.c
 		ln -s $(src)../lib_generic/sha1.c $(obj)sha1.c
 
+$(obj)image.c:
+		@rm -f $(obj)image.c
+		ln -s $(src)../common/image.c $(obj)image.c
+
 $(LOGO_H):	$(obj)bmp_logo $(LOGO_BMP)
 		$(obj)./bmp_logo $(LOGO_BMP) >$@
 
diff --git a/tools/mkimage.c b/tools/mkimage.c
index 2125130..8ced970 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -20,44 +20,7 @@
  * MA 02111-1307 USA
  */
 
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifndef __WIN32__
-#include <netinet/in.h>		/* for host / network byte order conversions	*/
-#endif
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <time.h>
-#include <unistd.h>
-
-#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
-#include <inttypes.h>
-#endif
-
-#ifdef __WIN32__
-typedef unsigned int __u32;
-
-#define SWAP_LONG(x) \
-	((__u32)( \
-		(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
-		(((__u32)(x) & (__u32)0x0000ff00UL) <<  8) | \
-		(((__u32)(x) & (__u32)0x00ff0000UL) >>  8) | \
-		(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
-typedef		unsigned char	uint8_t;
-typedef		unsigned short	uint16_t;
-typedef		unsigned int	uint32_t;
-
-#define     ntohl(a)	SWAP_LONG(a)
-#define     htonl(a)	SWAP_LONG(a)
-#endif	/* __WIN32__ */
-
-#ifndef	O_BINARY		/* should be define'd on __WIN32__ */
-#define O_BINARY	0
-#endif
-
+#include "mkimage.h"
 #include <image.h>
 
 extern int errno;
@@ -77,24 +40,24 @@
 } table_entry_t;
 
 table_entry_t arch_name[] = {
-    {	IH_CPU_INVALID,		NULL,		"Invalid CPU",	},
-    {	IH_CPU_ALPHA,		"alpha",	"Alpha",	},
-    {	IH_CPU_ARM,		"arm",		"ARM",		},
-    {	IH_CPU_I386,		"x86",		"Intel x86",	},
-    {	IH_CPU_IA64,		"ia64",		"IA64",		},
-    {	IH_CPU_M68K,		"m68k",		"MC68000",	},
-    {	IH_CPU_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
-    {	IH_CPU_MIPS,		"mips",		"MIPS",		},
-    {	IH_CPU_MIPS64,		"mips64",	"MIPS 64 Bit",	},
-    {	IH_CPU_NIOS,		"nios",		"NIOS",		},
-    {	IH_CPU_NIOS2,		"nios2",	"NIOS II",	},
-    {	IH_CPU_PPC,		"ppc",		"PowerPC",	},
-    {	IH_CPU_S390,		"s390",		"IBM S390",	},
-    {	IH_CPU_SH,		"sh",		"SuperH",	},
-    {	IH_CPU_SPARC,		"sparc",	"SPARC",	},
-    {	IH_CPU_SPARC64,		"sparc64",	"SPARC 64 Bit",	},
-    {	IH_CPU_BLACKFIN,	"blackfin",	"Blackfin",	},
-    {	IH_CPU_AVR32,		"avr32",	"AVR32",	},
+    {	IH_ARCH_INVALID,	NULL,		"Invalid CPU",	},
+    {	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
+    {	IH_ARCH_ARM,		"arm",		"ARM",		},
+    {	IH_ARCH_I386,		"x86",		"Intel x86",	},
+    {	IH_ARCH_IA64,		"ia64",		"IA64",		},
+    {	IH_ARCH_M68K,		"m68k",		"MC68000",	},
+    {	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
+    {	IH_ARCH_MIPS,		"mips",		"MIPS",		},
+    {	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
+    {	IH_ARCH_NIOS,		"nios",		"NIOS",		},
+    {	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
+    {	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
+    {	IH_ARCH_S390,		"s390",		"IBM S390",	},
+    {	IH_ARCH_SH,		"sh",		"SuperH",	},
+    {	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
+    {	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
+    {	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
+    {	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
     {	-1,			"",		"",		},
 };
 
@@ -167,7 +130,7 @@
 int vflag    = 0;
 int xflag    = 0;
 int opt_os   = IH_OS_LINUX;
-int opt_arch = IH_CPU_PPC;
+int opt_arch = IH_ARCH_PPC;
 int opt_type = IH_TYPE_KERNEL;
 int opt_comp = IH_COMP_GZIP;
 
@@ -270,7 +233,7 @@
 		ep = addr;
 		/* If XIP, entry point must be after the U-Boot header */
 		if (xflag)
-			ep += sizeof(image_header_t);
+			ep += image_get_header_size ();
 	}
 
 	/*
@@ -278,11 +241,11 @@
 	 * the size of the U-Boot header.
 	 */
 	if (xflag) {
-		if (ep != addr + sizeof(image_header_t)) {
+		if (ep != addr + image_get_header_size ()) {
 			fprintf (stderr,
 				"%s: For XIP, the entry point must be the load addr + %lu\n",
 				cmdname,
-				(unsigned long)sizeof(image_header_t));
+				(unsigned long)image_get_header_size ());
 			exit (EXIT_FAILURE);
 		}
 	}
@@ -313,7 +276,7 @@
 			exit (EXIT_FAILURE);
 		}
 
-		if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
+		if ((unsigned)sbuf.st_size < image_get_header_size ()) {
 			fprintf (stderr,
 				"%s: Bad size: \"%s\" is no valid image\n",
 				cmdname, imagefile);
@@ -329,36 +292,30 @@
 		}
 
 		/*
-		 * create copy of header so that we can blank out the
-		 * checksum field for checking - this can't be done
-		 * on the PROT_READ mapped data.
+		 * image_check_hcrc() creates copy of header so that
+		 * we can blank out the checksum field for checking -
+		 * this can't be done on the PROT_READ mapped data.
 		 */
-		memcpy (hdr, ptr, sizeof(image_header_t));
+		hdr = (image_header_t *)ptr;
 
-		if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+		if (!image_check_magic (hdr)) {
 			fprintf (stderr,
 				"%s: Bad Magic Number: \"%s\" is no valid image\n",
 				cmdname, imagefile);
 			exit (EXIT_FAILURE);
 		}
 
-		data = (char *)hdr;
-		len  = sizeof(image_header_t);
-
-		checksum = ntohl(hdr->ih_hcrc);
-		hdr->ih_hcrc = htonl(0);	/* clear for re-calculation */
-
-		if (crc32 (0, data, len) != checksum) {
+		if (!image_check_hcrc (hdr)) {
 			fprintf (stderr,
 				"%s: ERROR: \"%s\" has bad header checksum!\n",
 				cmdname, imagefile);
 			exit (EXIT_FAILURE);
 		}
 
-		data = (char *)(ptr + sizeof(image_header_t));
-		len  = sbuf.st_size - sizeof(image_header_t) ;
+		data = (char *)image_get_data (hdr);
+		len  = sbuf.st_size - image_get_header_size ();
 
-		if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) {
+		if (crc32(0, data, len) != image_get_dcrc (hdr)) {
 			fprintf (stderr,
 				"%s: ERROR: \"%s\" has corrupted data!\n",
 				cmdname, imagefile);
@@ -379,9 +336,9 @@
 	 *
 	 * write dummy header, to be fixed later
 	 */
-	memset (hdr, 0, sizeof(image_header_t));
+	memset (hdr, 0, image_get_header_size ());
 
-	if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) {
+	if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) {
 		fprintf (stderr, "%s: Write error on %s: %s\n",
 			cmdname, imagefile, strerror(errno));
 		exit (EXIT_FAILURE);
@@ -404,7 +361,7 @@
 						cmdname, file, strerror(errno));
 					exit (EXIT_FAILURE);
 				}
-				size = htonl(sbuf.st_size);
+				size = cpu_to_image (sbuf.st_size);
 			} else {
 				size = 0;
 			}
@@ -469,27 +426,27 @@
 	hdr = (image_header_t *)ptr;
 
 	checksum = crc32 (0,
-			  (const char *)(ptr + sizeof(image_header_t)),
-			  sbuf.st_size - sizeof(image_header_t)
+			  (const char *)(ptr + image_get_header_size ()),
+			  sbuf.st_size - image_get_header_size ()
 			 );
 
 	/* Build new header */
-	hdr->ih_magic = htonl(IH_MAGIC);
-	hdr->ih_time  = htonl(sbuf.st_mtime);
-	hdr->ih_size  = htonl(sbuf.st_size - sizeof(image_header_t));
-	hdr->ih_load  = htonl(addr);
-	hdr->ih_ep    = htonl(ep);
-	hdr->ih_dcrc  = htonl(checksum);
-	hdr->ih_os    = opt_os;
-	hdr->ih_arch  = opt_arch;
-	hdr->ih_type  = opt_type;
-	hdr->ih_comp  = opt_comp;
+	image_set_magic (hdr, IH_MAGIC);
+	image_set_time (hdr, sbuf.st_mtime);
+	image_set_size (hdr, sbuf.st_size - image_get_header_size ());
+	image_set_load (hdr, addr);
+	image_set_ep (hdr, ep);
+	image_set_dcrc (hdr, checksum);
+	image_set_os (hdr, opt_os);
+	image_set_arch (hdr, opt_arch);
+	image_set_type (hdr, opt_type);
+	image_set_comp (hdr, opt_comp);
 
-	strncpy((char *)hdr->ih_name, name, IH_NMLEN);
+	image_set_name (hdr, name);
 
-	checksum = crc32(0,(const char *)hdr,sizeof(image_header_t));
+	checksum = crc32 (0, (const char *)hdr, image_get_header_size ());
 
-	hdr->ih_hcrc = htonl(checksum);
+	image_set_hcrc (hdr, checksum);
 
 	print_header (hdr);
 
@@ -554,14 +511,14 @@
 		 * reserved for it.
 		 */
 
-		if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
+		if ((unsigned)sbuf.st_size < image_get_header_size ()) {
 			fprintf (stderr,
 				"%s: Bad size: \"%s\" is too small for XIP\n",
 				cmdname, datafile);
 			exit (EXIT_FAILURE);
 		}
 
-		for (p=ptr; p < ptr+sizeof(image_header_t); p++) {
+		for (p = ptr; p < ptr + image_get_header_size (); p++) {
 			if ( *p != 0xff ) {
 				fprintf (stderr,
 					"%s: Bad file: \"%s\" has invalid buffer for XIP\n",
@@ -570,7 +527,7 @@
 			}
 		}
 
-		offset = sizeof(image_header_t);
+		offset = image_get_header_size ();
 	}
 
 	size = sbuf.st_size - offset;
@@ -620,22 +577,23 @@
 	time_t timestamp;
 	uint32_t size;
 
-	timestamp = (time_t)ntohl(hdr->ih_time);
-	size = ntohl(hdr->ih_size);
+	timestamp = (time_t)image_get_time (hdr);
+	size = image_get_data_size (hdr);
 
-	printf ("Image Name:   %.*s\n", IH_NMLEN, hdr->ih_name);
+	printf ("Image Name:   %.*s\n", IH_NMLEN, image_get_name (hdr));
 	printf ("Created:      %s", ctime(&timestamp));
 	printf ("Image Type:   "); print_type(hdr);
 	printf ("Data Size:    %d Bytes = %.2f kB = %.2f MB\n",
 		size, (double)size / 1.024e3, (double)size / 1.048576e6 );
-	printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load));
-	printf ("Entry Point:  0x%08X\n", ntohl(hdr->ih_ep));
+	printf ("Load Address: 0x%08X\n", image_get_load (hdr));
+	printf ("Entry Point:  0x%08X\n", image_get_ep (hdr));
 
-	if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) {
+	if (image_check_type (hdr, IH_TYPE_MULTI) ||
+			image_check_type (hdr, IH_TYPE_SCRIPT)) {
 		int i, ptrs;
 		uint32_t pos;
 		uint32_t *len_ptr = (uint32_t *) (
-					(unsigned long)hdr + sizeof(image_header_t)
+					(unsigned long)hdr + image_get_header_size ()
 				);
 
 		/* determine number of images first (to calculate image offsets) */
@@ -643,14 +601,14 @@
 			;
 		ptrs = i;		/* null pointer terminates list */
 
-		pos = sizeof(image_header_t) + ptrs * sizeof(long);
+		pos = image_get_header_size () + ptrs * sizeof(long);
 		printf ("Contents:\n");
 		for (i=0; len_ptr[i]; ++i) {
-			size = ntohl(len_ptr[i]);
+			size = image_to_cpu (len_ptr[i]);
 
 			printf ("   Image %d: %8d Bytes = %4d kB = %d MB\n",
 				i, size, size>>10, size>>20);
-			if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) {
+			if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) {
 				/*
 				 * the user may need to know offsets
 				 * if planning to do something with
@@ -671,10 +629,10 @@
 print_type (image_header_t *hdr)
 {
 	printf ("%s %s %s (%s)\n",
-		put_arch (hdr->ih_arch),
-		put_os   (hdr->ih_os  ),
-		put_type (hdr->ih_type),
-		put_comp (hdr->ih_comp)
+		put_arch (image_get_arch (hdr)),
+		put_os   (image_get_os (hdr)),
+		put_type (image_get_type (hdr)),
+		put_comp (image_get_comp (hdr))
 	);
 }
 
diff --git a/tools/mkimage.h b/tools/mkimage.h
new file mode 100644
index 0000000..8b05bb1
--- /dev/null
+++ b/tools/mkimage.h
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2000-2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef __WIN32__
+#include <netinet/in.h>		/* for host / network byte order conversions	*/
+#endif
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
+
+#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
+#include <inttypes.h>
+#endif
+
+#ifdef __WIN32__
+typedef unsigned int __u32;
+
+#define SWAP_LONG(x) \
+	((__u32)( \
+		(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
+		(((__u32)(x) & (__u32)0x0000ff00UL) <<  8) | \
+		(((__u32)(x) & (__u32)0x00ff0000UL) >>  8) | \
+		(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
+typedef		unsigned char	uint8_t;
+typedef		unsigned short	uint16_t;
+typedef		unsigned int	uint32_t;
+
+#define     ntohl(a)	SWAP_LONG(a)
+#define     htonl(a)	SWAP_LONG(a)
+#endif	/* __WIN32__ */
+
+#ifndef	O_BINARY		/* should be define'd on __WIN32__ */
+#define O_BINARY	0
+#endif