Update linux bootm to support ePAPR client interface

index cbe5592..e83c860 100644
@@ -80,7 +80,8 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	ulong	cmd_start, cmd_end, bootmap_base;
 	bd_t	*kbd;
 	ulong	ep = 0;
-	void	(*kernel)(bd_t *, ulong, ulong, ulong, ulong);
+	void	(*kernel)(bd_t *, ulong r4, ulong r5, ulong r6,
+			  ulong r7, ulong r8, ulong r9);
 	int	ret;
 	ulong	of_size = 0;
 	struct lmb *lmb = images->lmb;

@@ -166,8 +167,8 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		puts ("Could not find kernel entry point!\n");
 		goto error;
 	}
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep;
-
+	kernel = (void (*)(bd_t *, ulong, ulong, ulong,
+			   ulong, ulong, ulong))ep;
 	/* find ramdisk */
 	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_PPC,
 			&rd_data_start, &rd_data_end);

@@ -282,14 +283,23 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	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
+		 *   r3: pointer to the fdt
+		 *   r4: 0
+		 *   r5: 0
+		 *   r6: epapr magic
+		 *   r7: size of IMA in bytes
+		 *   r8: 0
+		 *   r9: 0
 		 */
+#if defined(CONFIG_85xx) || defined(CONFIG_440)
+ #define EPAPR_MAGIC	(0x45504150)
+#else
+ #define EPAPR_MAGIC	(0x65504150)
+#endif
+
 		debug ("   Booting using OF flat tree...\n");
-		(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
+		(*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
+			   CFG_BOOTMAPSZ, 0, 0);
 		/* does not return */
 	} else
 #endif

@@ -301,9 +311,12 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		 *   r5: initrd_end - unused if r4 is 0
 		 *   r6: Start of command line string
 		 *   r7: End   of command line string
+		 *   r8: 0
+		 *   r9: 0
 		 */
 		debug ("   Booting using board info...\n");
-		(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
+		(*kernel) (kbd, initrd_start, initrd_end,
+			   cmd_start, cmd_end, 0, 0);
 		/* does not return */
 	}
 	return ;

index a2ab2d7..2a810a6 100644
@@ -51,9 +51,6 @@
 #define DP(x)
 #endif
 
-extern void flush_data_cache (void);
-extern void invalidate_l1_instruction_cache (void);
-
 /* ------------------------------------------------------------------------- */
 
 /* this is the current GT register space location */

@@ -930,7 +927,5 @@ void board_prebootm_init ()
 	my_remap_gt_regs_bootm (CFG_GT_REGS, BRIDGE_REG_BASE_BOOTM);
 
 	icache_disable ();
-	invalidate_l1_instruction_cache ();
-	flush_data_cache ();
 	dcache_disable ();
 }

index a4abf8d..1ae898d 100644
@@ -51,9 +51,6 @@
 #define DP(x)
 #endif
 
-extern void flush_data_cache (void);
-extern void invalidate_l1_instruction_cache (void);
-
 /* ------------------------------------------------------------------------- */
 
 /* this is the current GT register space location */

@@ -930,7 +927,5 @@ void board_prebootm_init ()
 	my_remap_gt_regs_bootm (CFG_GT_REGS, BRIDGE_REG_BASE_BOOTM);
 
 	icache_disable ();
-	invalidate_l1_instruction_cache ();
-	flush_data_cache ();
 	dcache_disable ();
 }

index 298aa6a..5ab76c6 100644
@@ -120,8 +120,6 @@ static char show_config_tab[][15] = {{"PCI0DLL_2     "},  /* 31 */
 				     {"DRAMPLL_NDiv_1"},  /* 01 */
 				     {"DRAMPLL_NDiv_0"}}; /* 00 */
 
-extern void flush_data_cache (void);
-extern void invalidate_l1_instruction_cache (void);
 extern flash_info_t flash_info[];
 
 /* ------------------------------------------------------------------------- */

@@ -961,8 +959,6 @@ void board_prebootm_init ()
 	my_remap_gt_regs_bootm (CFG_GT_REGS, CFG_DFL_GT_REGS);
 
 	icache_disable ();
-	invalidate_l1_instruction_cache ();
-	flush_data_cache ();
 	dcache_disable ();
 }
 

index b3d83cc..6f74c31 100644
@@ -37,8 +37,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern void flush_data_cache (void);
-extern void invalidate_l1_instruction_cache (void);
 extern void tsi108_init_f (void);
 
 int display_mem_map (void);

index d54ddaf..69d7c9b 100644
@@ -62,8 +62,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define DP(x)
 #endif
 
-extern void flush_data_cache (void);
-extern void invalidate_l1_instruction_cache (void);
 extern flash_info_t flash_info[];
 
 /* ------------------------------------------------------------------------- */

index 5295969..0b14b06 100644
@@ -236,8 +236,6 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	 * bios emulation, so turn them off again
 	 */
 	icache_disable();
-	invalidate_l1_instruction_cache();
-	flush_data_cache();
 	dcache_disable();
 #endif
 

50 lines not on this page · raw message

index d3b19dd..436fec9 100644
@@ -417,9 +417,21 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		ft_board_setup(working_fdt, gd->bd);
 #endif
 	/* Create a chosen node */
-	else if (argv[1][0] == 'c')
-		fdt_chosen(working_fdt, 0, 0, 1);
-	else {
+	else if (argv[1][0] == 'c') {
+		unsigned long initrd_start = 0, initrd_end = 0;
+
+		if ((argc != 2) && (argc != 4)) {
+			printf ("Usage:\n%s\n", cmdtp->usage);
+			return 1;
+		}
+
+		if (argc == 4) {
+			initrd_start = simple_strtoul(argv[2], NULL, 16);
+			initrd_end = simple_strtoul(argv[3], NULL, 16);
+		}
+
+		fdt_chosen(working_fdt, initrd_start, initrd_end, 1);
+	} else {
 		/* Unrecognized command */
 		printf ("Usage:\n%s\n", cmdtp->usage);
 		return 1;

@@ -798,7 +810,8 @@ U_BOOT_CMD(
 	"fdt rsvmem print                    - Show current mem reserves\n"
 	"fdt rsvmem add <addr> <size>        - Add a mem reserve\n"
 	"fdt rsvmem delete <index>           - Delete a mem reserves\n"
-	"fdt chosen - Add/update the /chosen branch in the tree\n"
+	"fdt chosen [<start> <end>]          - Add/update the /chosen branch in the tree\n"
+	"                                        <start>/<end> - initrd start/end addr\n"
 	"NOTE: If the path or property you are setting/printing has a '#' character\n"
 	"     or spaces, you MUST escape it with a \\ character or quote it with \".\n"
 );

index 436fec9..c129993 100644
@@ -67,6 +67,14 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		/*
 		 * Set the address [and length] of the fdt.
 		 */
+		if (argc == 2) {
+			if (!fdt_valid()) {
+				return 1;
+			}
+			printf("The address of the fdt is %p\n", working_fdt);
+			return 0;
+		}
+
 		working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
 
 		if (!fdt_valid()) {

index 0b14b06..3f63b84 100644
@@ -205,6 +205,23 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 
+	/* find kernel entry point */
+	if (images.legacy_hdr_valid) {
+		images.ep = image_get_ep (&images.legacy_hdr_os_copy);
+#if defined(CONFIG_FIT)
+	} else if (images.fit_uname_os) {
+		ret = fit_image_get_entry (images.fit_hdr_os,
+				images.fit_noffset_os, &images.ep);
+		if (ret) {
+			puts ("Can't get entry point property!\n");
+			return 1;
+		}
+#endif
+	} else {
+		puts ("Could not find kernel entry point!\n");
+		return 1;
+	}
+
 	image_start = (ulong)os_hdr;
 	load_end = 0;
 	type_name = genimg_get_type_name (type);

@@ -942,7 +959,7 @@ static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 		cmdline = "";
 	}
 
-	loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
+	loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
 
 	printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
 		(ulong)loader);

@@ -981,7 +998,6 @@ static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
 			   int argc, char *argv[],
 			   bootm_headers_t *images)
 {
-	image_header_t *hdr = &images->legacy_hdr_os_copy;
 	void (*entry_point)(bd_t *);
 
 #if defined(CONFIG_FIT)

@@ -991,7 +1007,7 @@ static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
 	}
 #endif
 
-	entry_point = (void (*)(bd_t *))image_get_ep (hdr);
+	entry_point = (void (*)(bd_t *))images->ep;
 
 	printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
 		(ulong)entry_point);

@@ -1011,7 +1027,6 @@ static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
 			     bootm_headers_t *images)
 {
 	char str[80];
-	image_header_t *hdr = &images->legacy_hdr_os_copy;
 
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {

@@ -1020,7 +1035,7 @@ static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
 	}
 #endif
 
-	sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
+	sprintf(str, "%lx", images->ep); /* write entry-point into string */
 	setenv("loadaddr", str);
 	do_bootvx(cmdtp, 0, 0, NULL);
 }

@@ -1031,7 +1046,6 @@ static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
 {
 	char *local_args[2];
 	char str[16];
-	image_header_t *hdr = &images->legacy_hdr_os_copy;
 
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {

@@ -1040,7 +1054,7 @@ static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
 	}
 #endif
 
-	sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
+	sprintf(str, "%lx", images->ep); /* write entry-point into string */
 	local_args[0] = argv[0];
 	local_args[1] = str;	/* and provide it via the arguments */
 	do_bootelf(cmdtp, 0, 2, local_args);

@@ -1058,7 +1072,6 @@ static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	int i, j, nxt, len, envno, envsz;
 	bd_t *kbd;
 	void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
-	image_header_t *hdr = &images->legacy_hdr_os_copy;
 
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {

@@ -1133,7 +1146,7 @@ static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 	}
 	*ss++ = NULL;	/* terminate */
 
-	entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
+	entry = (void (*)(bd_t *, char *, char **, ulong))images->ep;
 	(*entry) (kbd, cmdline, fwenv, top);
 }
 #endif

index 4b9c582..e16c253 100644
@@ -219,6 +219,8 @@ typedef struct bootm_headers {
 #endif
 #endif
 
+	ulong		ep;		/* entry point of OS */
+
 	int		verify;		/* getenv("verify")[0] != 'n' */
 	struct lmb	*lmb;		/* for memory mgmt */
 } bootm_headers_t;

index 955a1ae..5660a50 100644
@@ -62,7 +62,6 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		     bootm_headers_t *images)
 {
 	ulong	initrd_start, initrd_end;
-	ulong	ep = 0;
 	bd_t	*bd = gd->bd;
 	char	*s;
 	int	machid = bd->bi_arch_number;

@@ -73,23 +72,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	char *commandline = getenv ("bootargs");
 #endif
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_entry (images->fit_hdr_os,
-					images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	theKernel = (void (*)(int, int, uint))ep;
+	theKernel = (void (*)(int, int, uint))images->ep;
 
 	s = getenv ("machid");
 	if (s) {

index 60e6b36..7beab99 100644
@@ -177,29 +177,12 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		    bootm_headers_t *images)
 {
 	ulong	initrd_start, initrd_end;
-	ulong	ep = 0;
 	void	(*theKernel)(int magic, void *tagtable);
 	struct	tag *params, *params_start;
 	char	*commandline = getenv("bootargs");
 	int	ret;
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	theKernel = (void *)ep;
+	theKernel = (void *)images->ep;
 
 	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_AVR32,
 			&initrd_start, &initrd_end);

index 54f69a9..f789e24 100644
@@ -38,29 +38,12 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 {
 	int	(*appl) (char *cmdline);
 	char	*cmdline;
-	ulong	ep = 0;
 
 #ifdef SHARED_RESOURCES
 	swap_to(FLASH);
 #endif
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		int ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	appl = (int (*)(char *))ep;
+	appl = (int (*)(char *))images->ep;
 
 	printf("Starting Kernel at = %x\n", appl);
 	cmdline = make_command_line();

index b45203d..fe658fe 100644
@@ -57,7 +57,6 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 	ulong cmd_start, cmd_end;
 	ulong bootmap_base;
 	bd_t  *kbd;
-	ulong ep = 0;
 	void  (*kernel) (bd_t *, ulong, ulong, ulong, ulong);
 	struct lmb *lmb = images->lmb;
 

@@ -94,23 +93,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 	}
 	set_clocks_in_mhz(kbd);
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep;
+	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))images->ep;
 
 	/* find ramdisk */
 	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_M68K,

index 68edcdb..baf6d77 100644
@@ -40,25 +40,8 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	/* First parameter is mapped to $r5 for kernel boot args */
 	void	(*theKernel) (char *);
 	char	*commandline = getenv ("bootargs");
-	ulong	ep = 0;
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		int ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	theKernel = (void (*)(char *))ep;
+	theKernel = (void (*)(char *))images->ep;
 
 	show_boot_progress (15);
 

index 53e8e19..7df6ce6 100644
@@ -49,7 +49,6 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		     bootm_headers_t *images)
 {
 	ulong	initrd_start, initrd_end;
-	ulong	ep = 0;
 	void	(*theKernel) (int, char **, char **, int *);
 	char	*commandline = getenv ("bootargs");
 	char	env_buf[12];

@@ -57,22 +56,7 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	char	*cp;
 
 	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	theKernel = (void (*)(int, char **, char **, int *))ep;
+	theKernel = (void (*)(int, char **, char **, int *))images->ep;
 
 	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_MIPS,
 			&initrd_start, &initrd_end);

index 18cf773..c74b5d6 100644
@@ -30,25 +30,7 @@ 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[],
 		bootm_headers_t *images)
 {
-	ulong	ep = 0;
-
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		int ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	void (*kernel)(void) = (void (*)(void))ep;
+	void (*kernel)(void) = (void (*)(void))images->ep;
 
 	/* For now we assume the Microtronix linux ... which only
 	 * needs to be called ;-)

index e83c860..b08ee0d 100644
@@ -79,7 +79,6 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	ulong	cmd_start, cmd_end, bootmap_base;
 	bd_t	*kbd;
-	ulong	ep = 0;
 	void	(*kernel)(bd_t *, ulong r4, ulong r5, ulong r6,
 			  ulong r7, ulong r8, ulong r9);
 	int	ret;

@@ -90,6 +89,9 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	char	*of_flat_tree = NULL;
 #endif
 
+	kernel = (void (*)(bd_t *, ulong, ulong, ulong,
+			   ulong, ulong, ulong))images->ep;
+
 	bootmap_base = getenv_bootm_low();
 	bootm_size = getenv_bootm_size();
 

@@ -151,24 +153,6 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		set_clocks_in_mhz(kbd);
 	}
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong,
-			   ulong, ulong, ulong))ep;
 	/* find ramdisk */
 	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_PPC,
 			&rd_data_start, &rd_data_end);

index 4ee7ff3..9d2c908 100644
@@ -62,26 +62,9 @@ static void hexdump (unsigned char *buf, int len)
 void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		     bootm_headers_t *images)
 {
-	ulong	ep = 0;
 	char	*bootargs = getenv("bootargs");
 
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (&images->legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		int ret = fit_image_get_entry (images->fit_hdr_os,
-				images->fit_noffset_os, &ep);
-		if (ret) {
-			puts ("Can't get entry point property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		goto error;
-	}
-	void (*kernel) (void) = (void (*)(void))ep;
+	void (*kernel) (void) = (void (*)(void))images->ep;
 
 	/* Setup parameters */
 	memset(PARAM, 0, 0x1000);	/* Clear zero page */

index b1a3d98..ac15396 100644
@@ -87,7 +87,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		    bootm_headers_t * images)
 {
 	char *bootargs;
-	ulong ep, load;
+	ulong load;
 	ulong initrd_start, initrd_end;
 	ulong rd_data_start, rd_data_end, rd_len;
 	unsigned int data, len, checksum;

@@ -97,17 +97,9 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	int ret;
 
 	if (images->legacy_hdr_valid) {
-		ep = image_get_ep(images->legacy_hdr_os);
 		load = image_get_load(images->legacy_hdr_os);
 #if defined(CONFIG_FIT)
 	} else if (images->fit_uname_os) {
-		int ret = fit_image_get_entry(images->fit_hdr_os,
-					      images->fit_noffset_os, &ep);
-		if (ret) {
-			puts("Can't get entry point property!\n");
-			goto error;
-		}
-
 		ret = fit_image_get_load(images->fit_hdr_os,
 					 images->fit_noffset_os, &load);
 		if (ret) {

@@ -124,7 +116,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	linux_hdr = (void *)load;
 
 	/* */
-	kernel = (void (*)(struct linux_romvec *, void *))ep;
+	kernel = (void (*)(struct linux_romvec *, void *))images->ep;
 
 	/* check for a SPARC kernel */
 	if ((linux_hdr->hdr[0] != 'H') ||

index 3f63b84..56236b9 100644
@@ -116,6 +116,33 @@ void __board_lmb_reserve(struct lmb *lmb)
 }
 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
 
+#if defined(__ARM__)
+  #define IH_INITRD_ARCH IH_ARCH_ARM
+#elif defined(__avr32__)
+  #define IH_INITRD_ARCH IH_ARCH_AVR32
+#elif defined(__bfin__)
+  #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
+#elif defined(__I386__)
+  #define IH_INITRD_ARCH IH_ARCH_I386
+#elif defined(__M68K__)
+  #define IH_INITRD_ARCH IH_ARCH_M68K
+#elif defined(__microblaze__)
+  #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
+#elif defined(__mips__)
+  #define IH_INITRD_ARCH IH_ARCH_MIPS
+#elif defined(__nios__)
+  #define IH_INITRD_ARCH IH_ARCH_NIOS
+#elif defined(__nios2__)
+  #define IH_INITRD_ARCH IH_ARCH_NIOS2
+#elif defined(__PPC__)
+  #define IH_INITRD_ARCH IH_ARCH_PPC
+#elif defined(__sh__)
+  #define IH_INITRD_ARCH IH_ARCH_SH
+#elif defined(__sparc__)
+  #define IH_INITRD_ARCH IH_ARCH_SPARC
+#else
+# error Unknown CPU type
+#endif
 
 /*******************************************************************/
 /* bootm - boot application image from image in memory */

@@ -133,6 +160,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	ulong		load_start, load_end;
 	ulong		mem_start;
 	phys_size_t	mem_size;
+	int		ret;
 
 	struct lmb lmb;
 

@@ -222,6 +250,16 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 
+	if (os == IH_OS_LINUX) {
+		/* find ramdisk */
+		ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
+				&images.rd_start, &images.rd_end);
+		if (ret) {
+			puts ("Ramdisk image is corrupt\n");
+			return 1;
+		}
+	}
+
 	image_start = (ulong)os_hdr;
 	load_end = 0;
 	type_name = genimg_get_type_name (type);

index e16c253..b8577a0 100644
@@ -221,6 +221,8 @@ typedef struct bootm_headers {
 
 	ulong		ep;		/* entry point of OS */
 
+	ulong		rd_start, rd_end;/* ramdisk start/end */
+
 	int		verify;		/* getenv("verify")[0] != 'n' */
 	struct lmb	*lmb;		/* for memory mgmt */
 } bootm_headers_t;

index 5660a50..f9f702f 100644
@@ -61,7 +61,6 @@ 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[],
 		     bootm_headers_t *images)
 {
-	ulong	initrd_start, initrd_end;
 	bd_t	*bd = gd->bd;
 	char	*s;
 	int	machid = bd->bi_arch_number;

@@ -80,11 +79,6 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		printf ("Using machid 0x%x from environment\n", machid);
 	}
 
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_ARM,
-			&initrd_start, &initrd_end);
-	if (ret)
-		goto error;
-
 	show_boot_progress (15);
 
 	debug ("## Transferring control to Linux (at address %08lx) ...\n",

@@ -111,8 +105,8 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	setup_commandline_tag (bd, commandline);
 #endif
 #ifdef CONFIG_INITRD_TAG
-	if (initrd_start && initrd_end)
-		setup_initrd_tag (bd, initrd_start, initrd_end);
+	if (images->rd_start && images->rd_end)
+		setup_initrd_tag (bd, images->rd_start, images->rd_end);
 #endif
 #if defined (CONFIG_VFD) || defined (CONFIG_LCD)
 	setup_videolfb_tag ((gd_t *) gd);

index 7beab99..762701f 100644
@@ -176,7 +176,6 @@ static void setup_end_tag(struct tag *params)
 void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		    bootm_headers_t *images)
 {
-	ulong	initrd_start, initrd_end;
 	void	(*theKernel)(int magic, void *tagtable);
 	struct	tag *params, *params_start;
 	char	*commandline = getenv("bootargs");

@@ -184,20 +183,15 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	theKernel = (void *)images->ep;
 
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_AVR32,
-			&initrd_start, &initrd_end);
-	if (ret)
-		goto error;
-
 	show_boot_progress (15);
 
 	params = params_start = (struct tag *)gd->bd->bi_boot_params;
 	params = setup_start_tag(params);
 	params = setup_memory_tags(params);
-	if (initrd_start) {
+	if (images->rd_start) {
 		params = setup_ramdisk_tag(params,
-					   PHYSADDR(initrd_start),
-					   PHYSADDR(initrd_end));
+					   PHYSADDR(images->rd_start),
+					   PHYSADDR(images->rd_end));
 	}
 	params = setup_commandline_tag(params, commandline);
 	params = setup_clock_tags(params);

index 452eef7..8c0b225 100644
@@ -36,7 +36,6 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 {
 	void		*base_ptr;
 	ulong		os_data, os_len;
-	ulong		initrd_start, initrd_end;
 	image_header_t	*hdr;
 	int		ret;
 #if defined(CONFIG_FIT)

@@ -44,11 +43,6 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	size_t		len;
 #endif
 
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_I386,
-			&initrd_start, &initrd_end);
-	if (ret)
-		goto error;
-
 	if (images->legacy_hdr_valid) {
 		hdr = images->legacy_hdr_os;
 		if (image_check_type (hdr, IH_TYPE_MULTI)) {

@@ -76,7 +70,7 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	}
 
 	base_ptr = load_zimage ((void*)os_data, os_len,
-			initrd_start, initrd_end - initrd_start, 0);
+			images->rd_start, images->rd_end - images->rd_start, 0);
 
 	if (NULL == base_ptr) {
 		printf ("## Kernel loading failed ...\n");

index fe658fe..241721d 100644
@@ -50,7 +50,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 {
 	ulong sp;
 
-	ulong rd_data_start, rd_data_end, rd_len;
+	ulong rd_len;
 	ulong initrd_start, initrd_end;
 	int ret;
 

@@ -95,14 +95,8 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 
 	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))images->ep;
 
-	/* find ramdisk */
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_M68K,
-			&rd_data_start, &rd_data_end);
-	if (ret)
-		goto error;
-
-	rd_len = rd_data_end - rd_data_start;
-	ret = boot_ramdisk_high (lmb, rd_data_start, rd_len,
+	rd_len = images->rd_end - images->rd_start;
+	ret = boot_ramdisk_high (lmb, images->rd_start, rd_len,
 			&initrd_start, &initrd_end);
 	if (ret)
 		goto error;

index 7df6ce6..9869c33 100644
@@ -48,7 +48,6 @@ 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[],
 		     bootm_headers_t *images)
 {
-	ulong	initrd_start, initrd_end;
 	void	(*theKernel) (int, char **, char **, int *);
 	char	*commandline = getenv ("bootargs");
 	char	env_buf[12];

@@ -58,11 +57,6 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	/* find kernel entry point */
 	theKernel = (void (*)(int, char **, char **, int *))images->ep;
 
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_MIPS,
-			&initrd_start, &initrd_end);
-	if (ret)
-		goto error;
-
 	show_boot_progress (15);
 
 #ifdef DEBUG

@@ -82,10 +76,10 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 
 	linux_env_set ("memsize", env_buf);
 
-	sprintf (env_buf, "0x%08X", (uint) UNCACHED_SDRAM (initrd_start));
-	linux_env_set ("initrd_start", env_buf);
+	sprintf (env_buf, "0x%08X", (uint) UNCACHED_SDRAM (images->rd_start));
+	linux_env_set ("images->rd_start", env_buf);
 
-	sprintf (env_buf, "0x%X", (uint) (initrd_end - initrd_start));
+	sprintf (env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
 	linux_env_set ("initrd_size", env_buf);
 
 	sprintf (env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));

index b08ee0d..e6a6e44 100644
@@ -73,7 +73,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	ulong	sp;
 
 	ulong	initrd_start, initrd_end;
-	ulong	rd_data_start, rd_data_end, rd_len;
+	ulong	rd_len;
 	ulong	size;
 	phys_size_t bootm_size;
 

@@ -153,13 +153,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		set_clocks_in_mhz(kbd);
 	}
 
-	/* find ramdisk */
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_PPC,
-			&rd_data_start, &rd_data_end);
-	if (ret)
-		goto error;
-
-	rd_len = rd_data_end - rd_data_start;
+	rd_len = images->rd_end - images->rd_start;
 
 #if defined(CONFIG_OF_LIBFDT)
 	ret = boot_relocate_fdt (lmb, bootmap_base,

@@ -171,7 +165,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	 */
 	if (of_size) {
 		/* pass in dummy initrd info, we'll fix up later */
-		if (fdt_chosen(of_flat_tree, rd_data_start, rd_data_end, 0) < 0) {
+		if (fdt_chosen(of_flat_tree, images->rd_start, images->rd_end, 0) < 0) {
 			fdt_error ("/chosen node create failed");
 			goto error;
 		}

@@ -221,7 +215,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	}
 #endif	/* CONFIG_OF_LIBFDT */
 
-	ret = boot_ramdisk_high (lmb, rd_data_start, rd_len, &initrd_start, &initrd_end);
+	ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, &initrd_start, &initrd_end);
 	if (ret)
 		goto error;
 

@@ -235,7 +229,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 		/* Look for the dummy entry and delete it */
 		for (j = 0; j < total; j++) {
 			fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
-			if (addr == rd_data_start) {
+			if (addr == images->rd_start) {
 				fdt_del_mem_rsv(of_flat_tree, j);
 				break;
 			}

index ac15396..71d34ba 100644
@@ -89,7 +89,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	char *bootargs;
 	ulong load;
 	ulong initrd_start, initrd_end;
-	ulong rd_data_start, rd_data_end, rd_len;
+	ulong rd_len;
 	unsigned int data, len, checksum;
 	unsigned int initrd_addr, kernend;
 	void (*kernel) (struct linux_romvec *, void *);

@@ -139,19 +139,8 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	 * extracted and is writeable.
 	 */
 
-	/*
-	 * Are we going to use an initrd image?
-	 */
-	ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_SPARC,
-			       &rd_data_start, &rd_data_end);
-	if (ret) {
-		/* RAM disk found but was corrupt */
-		puts("RAM Disk corrupt\n");
-		goto error;
-	}
-
 	/* Calc length of RAM disk, if zero no ramdisk available */
-	rd_len = rd_data_end - rd_data_start;
+	rd_len = images->rd_end - images->rd_start;
 
 	if (rd_len) {
 

@@ -161,7 +150,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		 */
 		lmb_reserve(lmb, CFG_RELOC_MONITOR_BASE, CFG_RAM_END);
 
-		ret = boot_ramdisk_high(lmb, rd_data_start, rd_len,
+		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
 					&initrd_start, &initrd_end);
 		if (ret) {
 			puts("### Failed to relocate RAM disk\n");

index 56236b9..9a745f1 100644
@@ -258,6 +258,16 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 			puts ("Ramdisk image is corrupt\n");
 			return 1;
 		}
+
+#if defined(CONFIG_OF_LIBFDT)
+		/* find flattened device tree */
+		ret = boot_get_fdt (flag, argc, argv, &images,
+				    &images.ft_addr, &images.ft_len);
+		if (ret) {
+			puts ("Could not find a valid device tree\n");
+			return 1;
+		}
+#endif
 	}
 
 	image_start = (ulong)os_hdr;

508 lines not on this page · raw message

index b8577a0..653cbc6 100644
@@ -223,6 +223,11 @@ typedef struct bootm_headers {
 
 	ulong		rd_start, rd_end;/* ramdisk start/end */
 
+#ifdef CONFIG_OF_LIBFDT
+	char		*ft_addr;	/* flat dev tree address */
+#endif
+	ulong		ft_len;		/* length of flat device tree */
+
 	int		verify;		/* getenv("verify")[0] != 'n' */
 	struct lmb	*lmb;		/* for memory mgmt */
 } bootm_headers_t;

@@ -273,6 +278,14 @@ ulong genimg_get_image (ulong img_addr);
 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
 		uint8_t arch, ulong *rd_start, ulong *rd_end);
 
+
+#ifdef CONFIG_OF_LIBFDT
+int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images,
+		char **of_flat_tree, ulong *of_size);
+int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
+		char **of_flat_tree, ulong *of_size);
+#endif
+
 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
 		  ulong *initrd_start, ulong *initrd_end);

534 lines not on this page · raw message

index 9a745f1..022cef8 100644
@@ -44,6 +44,12 @@
 #include <hush.h>
 #endif
 
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);

@@ -267,6 +273,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 			puts ("Could not find a valid device tree\n");
 			return 1;
 		}
+
+		set_working_fdt_addr(images.ft_addr);
 #endif
 	}
 

index c129993..89bffa9 100644
@@ -50,6 +50,16 @@ static int fdt_print(const char *pathp, char *prop, int depth);
  */
 struct fdt_header *working_fdt;
 
+void set_working_fdt_addr(void *addr)
+{
+	char buf[17];
+
+	working_fdt = addr;
+
+	sprintf(buf, "%lx", (unsigned long)addr);
+	setenv("fdtaddr", buf);
+}
+
 /*
  * Flattened Device Tree command, see the help for parameter definitions.
  */

@@ -64,6 +74,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	 * Set the address of the fdt
 	 ********************************************************************/
 	if (argv[1][0] == 'a') {
+		unsigned long addr;
 		/*
 		 * Set the address [and length] of the fdt.
 		 */

@@ -75,7 +86,8 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			return 0;
 		}
 
-		working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+		addr = simple_strtoul(argv[2], NULL, 16);
+		set_working_fdt_addr((void *)addr);
 
 		if (!fdt_valid()) {
 			return 1;

index 18d667d..55c4cce 100644
@@ -1245,6 +1245,7 @@ int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
 		*of_size = of_len;
 	}
 
+	set_working_fdt_addr(*of_flat_tree);
 	return 0;
 
 error:

index a7c6326..761f85c 100644
@@ -68,5 +68,7 @@ void ft_cpu_setup(void *blob, bd_t *bd);
 void ft_pci_setup(void *blob, bd_t *bd);
 #endif
 
+void set_working_fdt_addr(void *addr);
+
 #endif /* ifdef CONFIG_OF_LIBFDT */
 #endif /* ifndef __FDT_SUPPORT_H */

index 022cef8..dc88e63 100644
@@ -168,20 +168,17 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	phys_size_t	mem_size;
 	int		ret;
 
-	struct lmb lmb;
-
 	memset ((void *)&images, 0, sizeof (images));
 	images.verify = getenv_yesno ("verify");
-	images.lmb = &lmb;
 
-	lmb_init(&lmb);
+	lmb_init(&images.lmb);
 
 	mem_start = getenv_bootm_low();
 	mem_size = getenv_bootm_size();
 
-	lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
+	lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
 
-	board_lmb_reserve(&lmb);
+	board_lmb_reserve(&images.lmb);
 
 	/* get kernel image header, start address and length */
 	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,

@@ -387,7 +384,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	show_boot_progress (8);
 
-	lmb_reserve(&lmb, load_start, (load_end - load_start));
+	lmb_reserve(&images.lmb, load_start, (load_end - load_start));
 
 	switch (os) {
 	default:			/* handled by (original) Linux case */

index 653cbc6..c1acd7b 100644
@@ -229,7 +229,9 @@ typedef struct bootm_headers {
 	ulong		ft_len;		/* length of flat device tree */
 
 	int		verify;		/* getenv("verify")[0] != 'n' */
-	struct lmb	*lmb;		/* for memory mgmt */
+#ifndef USE_HOSTCC
+	struct lmb	lmb;		/* for memory mgmt */
+#endif
 } bootm_headers_t;
 
 /*

index 241721d..1c3b9c9 100644
@@ -58,7 +58,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 	ulong bootmap_base;
 	bd_t  *kbd;
 	void  (*kernel) (bd_t *, ulong, ulong, ulong, ulong);
-	struct lmb *lmb = images->lmb;
+	struct lmb *lmb = &images->lmb;
 
 	bootmap_base = getenv_bootm_low();
 

index a3e632f..b86169a 100644
@@ -73,7 +73,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 			  ulong r7, ulong r8, ulong r9);
 	int	ret;
 	ulong	of_size = images->ft_len;
-	struct lmb *lmb = images->lmb;
+	struct lmb *lmb = &images->lmb;
 
 #if defined(CONFIG_OF_LIBFDT)
 	char	*of_flat_tree = images->ft_addr;

index 71d34ba..aac05e4 100644
@@ -93,7 +93,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	unsigned int data, len, checksum;
 	unsigned int initrd_addr, kernend;
 	void (*kernel) (struct linux_romvec *, void *);
-	struct lmb *lmb = images->lmb;
+	struct lmb *lmb = &images->lmb;
 	int ret;
 
 	if (images->legacy_hdr_valid) {

index dc88e63..5f7458b 100644
@@ -150,22 +150,11 @@ void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_
 # error Unknown CPU type
 #endif
 
-/*******************************************************************/
-/* bootm - boot application image from image in memory */
-/*******************************************************************/
-int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-	ulong		iflag;
-	const char	*type_name;
-	uint		unc_len = CFG_BOOTM_LEN;
-	uint8_t		comp, type, os;
-
-	void		*os_hdr;
-	ulong		os_data, os_len;
-	ulong		image_start, image_end;
-	ulong		load_start, load_end;
 	ulong		mem_start;
 	phys_size_t	mem_size;
+	void		*os_hdr;
 	int		ret;
 
 	memset ((void *)&images, 0, sizeof (images));

@@ -182,8 +171,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	/* get kernel image header, start address and length */
 	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
-			&images, &os_data, &os_len);
-	if (os_len == 0) {
+			&images, &images.os.image_start, &images.os.image_len);
+	if (images.os.image_len == 0) {
 		puts ("ERROR: can't get kernel image!\n");
 		return 1;
 	}

@@ -191,40 +180,40 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	/* get image parameters */
 	switch (genimg_get_format (os_hdr)) {
 	case IMAGE_FORMAT_LEGACY:
-		type = image_get_type (os_hdr);
-		comp = image_get_comp (os_hdr);
-		os = image_get_os (os_hdr);
+		images.os.type = image_get_type (os_hdr);
+		images.os.comp = image_get_comp (os_hdr);
+		images.os.os = image_get_os (os_hdr);
 
-		image_end = image_get_image_end (os_hdr);
-		load_start = image_get_load (os_hdr);
+		images.os.end = image_get_image_end (os_hdr);
+		images.os.load = image_get_load (os_hdr);
 		break;
 #if defined(CONFIG_FIT)
 	case IMAGE_FORMAT_FIT:
 		if (fit_image_get_type (images.fit_hdr_os,
-					images.fit_noffset_os, &type)) {
+					images.fit_noffset_os, &images.os.type)) {
 			puts ("Can't get image type!\n");
 			show_boot_progress (-109);
 			return 1;
 		}
 
 		if (fit_image_get_comp (images.fit_hdr_os,
-					images.fit_noffset_os, &comp)) {
+					images.fit_noffset_os, &images.os.comp)) {
 			puts ("Can't get image compression!\n");
 			show_boot_progress (-110);
 			return 1;
 		}
 
 		if (fit_image_get_os (images.fit_hdr_os,
-					images.fit_noffset_os, &os)) {
+					images.fit_noffset_os, &images.os.os)) {
 			puts ("Can't get image OS!\n");
 			show_boot_progress (-111);
 			return 1;
 		}
 
-		image_end = fit_get_end (images.fit_hdr_os);
+		images.os.end = fit_get_end (images.fit_hdr_os);
 
 		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
-					&load_start)) {
+					&images.os.load)) {
 			puts ("Can't get image load address!\n");
 			show_boot_progress (-112);
 			return 1;

@@ -253,7 +242,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 
-	if (os == IH_OS_LINUX) {
+	if (images.os.os == IH_OS_LINUX) {
 		/* find ramdisk */
 		ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
 				&images.rd_start, &images.rd_end);

@@ -275,64 +264,52 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 #endif
 	}
 
-	image_start = (ulong)os_hdr;
-	load_end = 0;
-	type_name = genimg_get_type_name (type);
+	images.os.start = (ulong)os_hdr;
+	images.valid = 1;
 
-	/*
-	 * We have reached the point of no return: we are going to
-	 * overwrite all exception vector code, so we cannot easily
-	 * recover from any failures any more...
-	 */
-	iflag = disable_interrupts();
-
-#if defined(CONFIG_CMD_USB)
-	/*
-	 * turn off USB to prevent the host controller from writing to the
-	 * SDRAM while Linux is booting. This could happen (at least for OHCI
-	 * controller), because the HCCA (Host Controller Communication Area)
-	 * lies within the SDRAM and the host controller writes continously to
-	 * this area (as busmaster!). The HccaFrameNumber is for example
-	 * updated every 1 ms within the HCCA structure in SDRAM! For more
-	 * details see the OpenHCI specification.
-	 */
-	usb_stop();
-#endif
+	return 0;
+}
 
+#define BOOTM_ERR_RESET		-1
+#define BOOTM_ERR_OVERLAP	-2
+#define BOOTM_ERR_UNIMPLEMENTED	-3
+static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
+{
+	uint8_t comp = os.comp;
+	ulong load = os.load;
+	ulong blob_start = os.start;
+	ulong blob_end = os.end;
+	ulong image_start = os.image_start;
+	ulong image_len = os.image_len;
+	uint unc_len = CFG_BOOTM_LEN;
 
-#ifdef CONFIG_AMIGAONEG3SE
-	/*
-	 * We've possible left the caches enabled during
-	 * bios emulation, so turn them off again
-	 */
-	icache_disable();
-	dcache_disable();
-#endif
+	const char *type_name = genimg_get_type_name (os.type);
 
 	switch (comp) {
 	case IH_COMP_NONE:
-		if (load_start == (ulong)os_hdr) {
+		if (load == blob_start) {
 			printf ("   XIP %s ... ", type_name);
 		} else {
 			printf ("   Loading %s ... ", type_name);
 
-			memmove_wd ((void *)load_start,
-				   (void *)os_data, os_len, CHUNKSZ);
+			memmove_wd ((void *)load,
+				   (void *)image_start, image_len, CHUNKSZ);
 		}
-		load_end = load_start + os_len;
+		*load_end = load + image_len;
 		puts("OK\n");
 		break;
 	case IH_COMP_GZIP:
 		printf ("   Uncompressing %s ... ", type_name);
-		if (gunzip ((void *)load_start, unc_len,
-					(uchar *)os_data, &os_len) != 0) {
+		if (gunzip ((void *)load, unc_len,
+					(uchar *)image_start, &image_len) != 0) {
 			puts ("GUNZIP: uncompress or overwrite error "
 				"- must RESET board to recover\n");
-			show_boot_progress (-6);
-			do_reset (cmdtp, flag, argc, argv);
+			if (boot_progress)
+				show_boot_progress (-6);
+			return BOOTM_ERR_RESET;
 		}
 
-		load_end = load_start + os_len;
+		*load_end = load + image_len;
 		break;
 #ifdef CONFIG_BZIP2
 	case IH_COMP_BZIP2:

@@ -342,51 +319,110 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		 * use slower decompression algorithm which requires
 		 * at most 2300 KB of memory.
 		 */
-		int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
-					&unc_len, (char *)os_data, os_len,
+		int i = BZ2_bzBuffToBuffDecompress ((char*)load,
+					&unc_len, (char *)image_start, image_len,
 					CFG_MALLOC_LEN < (4096 * 1024), 0);
 		if (i != BZ_OK) {
 			printf ("BUNZIP2: uncompress or overwrite error %d "
 				"- must RESET board to recover\n", i);
-			show_boot_progress (-6);
-			do_reset (cmdtp, flag, argc, argv);
+			if (boot_progress)
+				show_boot_progress (-6);
+			return BOOTM_ERR_RESET;
 		}
 
-		load_end = load_start + unc_len;
+		*load_end = load + unc_len;
 		break;
 #endif /* CONFIG_BZIP2 */
 	default:
-		if (iflag)
-			enable_interrupts();
 		printf ("Unimplemented compression type %d\n", comp);
-		show_boot_progress (-7);
-		return 1;
+		return BOOTM_ERR_UNIMPLEMENTED;
 	}
 	puts ("OK\n");
-	debug ("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
-	show_boot_progress (7);
+	debug ("   kernel loaded@0x%08lx, end = 0x%08lx\n", load, load_end);
+	if (boot_progress)
+		show_boot_progress (7);
 
-	if ((load_start < image_end) && (load_end > image_start)) {
-		debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
-		debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
+	if ((load < blob_end) && (*load_end > blob_start)) {
+		debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
+		debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, load_end);
 
-		if (images.legacy_hdr_valid) {
-			if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
-				puts ("WARNING: legacy format multi component "
-					"image overwritten\n");
-		} else {
-			puts ("ERROR: new format image overwritten - "
-				"must RESET the board to recover\n");
-			show_boot_progress (-113);
+		return BOOTM_ERR_OVERLAP;
+	}
+
+	return 0;
+}
+
+/*******************************************************************/
+/* bootm - boot application image from image in memory */
+/*******************************************************************/
+int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+
+	ulong		iflag;
+	ulong		load_end = 0;
+	int		ret;
+
+	bootm_start(cmdtp, flag, argc, argv);
+
+	/*
+	 * We have reached the point of no return: we are going to
+	 * overwrite all exception vector code, so we cannot easily
+	 * recover from any failures any more...
+	 */
+	iflag = disable_interrupts();
+
+#if defined(CONFIG_CMD_USB)
+	/*
+	 * turn off USB to prevent the host controller from writing to the
+	 * SDRAM while Linux is booting. This could happen (at least for OHCI
+	 * controller), because the HCCA (Host Controller Communication Area)
+	 * lies within the SDRAM and the host controller writes continously to
+	 * this area (as busmaster!). The HccaFrameNumber is for example
+	 * updated every 1 ms within the HCCA structure in SDRAM! For more
+	 * details see the OpenHCI specification.
+	 */
+	usb_stop();
+#endif
+
+#ifdef CONFIG_AMIGAONEG3SE
+	/*
+	 * We've possible left the caches enabled during
+	 * bios emulation, so turn them off again
+	 */
+	icache_disable();
+	dcache_disable();
+#endif
+
+	ret = bootm_load_os(images.os, &load_end, 1);
+
+	if (ret < 0) {
+		if (ret == BOOTM_ERR_RESET)
 			do_reset (cmdtp, flag, argc, argv);
+		if (ret == BOOTM_ERR_OVERLAP) {
+			if (images.legacy_hdr_valid) {
+				if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
+					puts ("WARNING: legacy format multi component "
+						"image overwritten\n");
+			} else {
+				puts ("ERROR: new format image overwritten - "
+					"must RESET the board to recover\n");
+				show_boot_progress (-113);
+				do_reset (cmdtp, flag, argc, argv);
+			}
+		}
+		if (ret == BOOTM_ERR_UNIMPLEMENTED) {
+			if (iflag)
+				enable_interrupts();
+			show_boot_progress (-7);
+			return 1;
 		}
 	}
 
-	show_boot_progress (8);
+	lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
 
-	lmb_reserve(&images.lmb, load_start, (load_end - load_start));
+	show_boot_progress (8);
 
-	switch (os) {
+	switch (images.os.os) {
 	default:			/* handled by (original) Linux case */
 	case IH_OS_LINUX:
 #ifdef CONFIG_SILENT_CONSOLE

index c1acd7b..9be806e 100644
@@ -187,6 +187,13 @@ typedef struct image_header {
 	uint8_t		ih_name[IH_NMLEN];	/* Image Name		*/
 } image_header_t;
 
+typedef struct image_info {
+	ulong		start, end;		/* start/end of blob */
+	ulong		image_start, image_len; /* start of image within blob, len of image */
+	ulong		load;			/* load addr for the image */
+	uint8_t		comp, type, os;		/* compression, type of image, os type */
+} image_info_t;
+
 /*
  * Legacy and FIT format headers used by do_bootm() and do_bootm_<os>()
  * routines.

@@ -219,6 +226,7 @@ typedef struct bootm_headers {
 #endif
 #endif
 
+	image_info_t	os;		/* os image info */
 	ulong		ep;		/* entry point of OS */
 
 	ulong		rd_start, rd_end;/* ramdisk start/end */

@@ -229,6 +237,7 @@ typedef struct bootm_headers {
 	ulong		ft_len;		/* length of flat device tree */
 
 	int		verify;		/* getenv("verify")[0] != 'n' */
+	int		valid;		/* set to 1 if we've set values in the header */
 #ifndef USE_HOSTCC
 	struct lmb	lmb;		/* for memory mgmt */
 #endif

index aac05e4..f3abdcf 100644
@@ -87,7 +87,6 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 		    bootm_headers_t * images)
 {
 	char *bootargs;
-	ulong load;
 	ulong initrd_start, initrd_end;
 	ulong rd_len;
 	unsigned int data, len, checksum;

@@ -96,24 +95,8 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	struct lmb *lmb = &images->lmb;
 	int ret;
 
-	if (images->legacy_hdr_valid) {
-		load = image_get_load(images->legacy_hdr_os);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		ret = fit_image_get_load(images->fit_hdr_os,
-					 images->fit_noffset_os, &load);
-		if (ret) {
-			puts("Can't get load address property!\n");
-			goto error;
-		}
-#endif
-	} else {
-		puts("Could not find kernel entry point!\n");
-		goto error;
-	}
-
 	/* Get virtual address of kernel start */
-	linux_hdr = (void *)load;
+	linux_hdr = (void *)images->os.load;
 
 	/* */
 	kernel = (void (*)(struct linux_romvec *, void *))images->ep;

index 93b144e..dadb294 100644
@@ -529,3 +529,42 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
 		       fdt_strerror(err));
 }
 #endif /* defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) */
+
+/* Resize the fdt to its actual size + a bit of padding */
+int fdt_resize(void *blob)
+{
+	int i;
+	uint64_t addr, size;
+	int total, ret;
+	uint actualsize;
+
+	if (!blob)
+		return 0;
+
+	total = fdt_num_mem_rsv(blob);
+	for (i = 0; i < total; i++) {
+		fdt_get_mem_rsv(blob, i, &addr, &size);
+		if (addr == (uint64_t)(u32)blob) {
+			fdt_del_mem_rsv(blob, i);
+			break;
+		}
+	}
+
+	/* Calculate the actual size of the fdt */
+	actualsize = fdt_off_dt_strings(blob) +
+		fdt_size_dt_strings(blob);
+
+	/* Make it so the fdt ends on a page boundary */
+	actualsize = ALIGN(actualsize, 0x1000);
+	actualsize = actualsize - ((uint)blob & 0xfff);
+
+	/* Change the fdt header to reflect the correct size */
+	fdt_set_totalsize(blob, actualsize);
+
+	/* Add the new reservation */
+	ret = fdt_add_mem_rsv(blob, (uint)blob, actualsize);
+	if (ret < 0)
+		return ret;
+
+	return actualsize;
+}

index 761f85c..b3f0adb 100644
@@ -69,6 +69,7 @@ void ft_pci_setup(void *blob, bd_t *bd);
 #endif
 
 void set_working_fdt_addr(void *addr);
+int fdt_resize(void *blob);
 
 #endif /* ifdef CONFIG_OF_LIBFDT */
 #endif /* ifndef __FDT_SUPPORT_H */

index b86169a..300e00a 100644
@@ -162,38 +162,14 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	/* Fixup the fdt memreserve now that we know how big it is */
 	if (of_flat_tree) {
-		int j;
-		uint64_t addr, size;
-		int total = fdt_num_mem_rsv(of_flat_tree);
-		uint actualsize;
-
-		for (j = 0; j < total; j++) {
-			fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
-			if (addr == (uint64_t)(u32)of_flat_tree) {
-				fdt_del_mem_rsv(of_flat_tree, j);
-				break;
-			}
-		}
-
 		/* Delete the old LMB reservation */
 		lmb_free(lmb, (phys_addr_t)(u32)of_flat_tree,
 				(phys_size_t)fdt_totalsize(of_flat_tree));
 
-		/* Calculate the actual size of the fdt */
-		actualsize = fdt_off_dt_strings(of_flat_tree) +
-			fdt_size_dt_strings(of_flat_tree);
-
-		/* Make it so the fdt ends on a page boundary */
-		actualsize = ALIGN(actualsize, 0x1000);
-		actualsize = actualsize - ((uint)of_flat_tree & 0xfff);
-
-		/* Change the fdt header to reflect the correct size */
-		fdt_set_totalsize(of_flat_tree, actualsize);
-		of_size = actualsize;
-
-		/* Add the new reservation */
-		ret = fdt_add_mem_rsv(of_flat_tree, (uint)of_flat_tree,
-				of_size);
+		ret = fdt_resize(of_flat_tree);
+		if (ret < 0)
+			goto error;
+		of_size = ret;
 
 		/* Create a new LMB reservation */
 		lmb_reserve(lmb, (ulong)of_flat_tree, of_size);

index dadb294..4fc1915 100644
@@ -99,44 +99,85 @@ static int fdt_fixup_stdout(void *fdt, int chosenoff)
 }
 #endif
 
-int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
+int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force)
 {
 	int   nodeoffset;
-	int   err;
-	u32   tmp;		/* used to set 32 bit integer properties */
-	char  *str;		/* used to set string properties */
+	int   err, j, total;
+	u32   tmp;
 	const char *path;
+	uint64_t addr, size;
 
-	err = fdt_check_header(fdt);
-	if (err < 0) {
-		printf("fdt_chosen: %s\n", fdt_strerror(err));
-		return err;
+	/* Find the "chosen" node.  */
+	nodeoffset = fdt_path_offset (fdt, "/chosen");
+
+	/* If there is no "chosen" node in the blob return */
+	if (nodeoffset < 0) {
+		printf("fdt_initrd: %s\n", fdt_strerror(nodeoffset));
+		return nodeoffset;
 	}
 
-	if (initrd_start && initrd_end) {
-		uint64_t addr, size;
-		int  total = fdt_num_mem_rsv(fdt);
-		int  j;
+	/* just return if initrd_start/end aren't valid */
+	if ((initrd_start == 0) || (initrd_end == 0))
+		return 0;
 
-		/*
-		 * Look for an existing entry and update it.  If we don't find
-		 * the entry, we will j be the next available slot.
-		 */
-		for (j = 0; j < total; j++) {
-			err = fdt_get_mem_rsv(fdt, j, &addr, &size);
-			if (addr == initrd_start) {
-				fdt_del_mem_rsv(fdt, j);
-				break;
-			}
+	total = fdt_num_mem_rsv(fdt);
+
+	/*
+	 * Look for an existing entry and update it.  If we don't find
+	 * the entry, we will j be the next available slot.
+	 */
+	for (j = 0; j < total; j++) {
+		err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+		if (addr == initrd_start) {
+			fdt_del_mem_rsv(fdt, j);
+			break;
 		}
+	}
 
-		err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
+	err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
+	if (err < 0) {
+		printf("fdt_initrd: %s\n", fdt_strerror(err));
+		return err;
+	}
+
+	path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
+	if ((path == NULL) || force) {
+		tmp = __cpu_to_be32(initrd_start);
+		err = fdt_setprop(fdt, nodeoffset,
+			"linux,initrd-start", &tmp, sizeof(tmp));
+		if (err < 0) {
+			printf("WARNING: "
+				"could not set linux,initrd-start %s.\n",
+				fdt_strerror(err));
+			return err;
+		}
+		tmp = __cpu_to_be32(initrd_end);
+		err = fdt_setprop(fdt, nodeoffset,
+			"linux,initrd-end", &tmp, sizeof(tmp));
 		if (err < 0) {
-			printf("fdt_chosen: %s\n", fdt_strerror(err));
+			printf("WARNING: could not set linux,initrd-end %s.\n",
+				fdt_strerror(err));
+
 			return err;
 		}
 	}
 
+	return 0;
+}
+
+int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
+{
+	int   nodeoffset;
+	int   err;
+	char  *str;		/* used to set string properties */
+	const char *path;
+
+	err = fdt_check_header(fdt);
+	if (err < 0) {
+		printf("fdt_chosen: %s\n", fdt_strerror(err));
+		return err;
+	}
+
 	/*
 	 * Find the "chosen" node.
 	 */

@@ -173,24 +214,8 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
 					fdt_strerror(err));
 		}
 	}
-	if (initrd_start && initrd_end) {
-		path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
-		if ((path == NULL) || force) {
-			tmp = __cpu_to_be32(initrd_start);
-			err = fdt_setprop(fdt, nodeoffset,
-				"linux,initrd-start", &tmp, sizeof(tmp));
-			if (err < 0)
-				printf("WARNING: "
-					"could not set linux,initrd-start %s.\n",
-					fdt_strerror(err));
-			tmp = __cpu_to_be32(initrd_end);
-			err = fdt_setprop(fdt, nodeoffset,
-				"linux,initrd-end", &tmp, sizeof(tmp));
-			if (err < 0)
-				printf("WARNING: could not set linux,initrd-end %s.\n",
-					fdt_strerror(err));
-		}
-	}
+
+	fdt_initrd(fdt, initrd_start, initrd_end, force);
 
 #ifdef CONFIG_OF_STDOUT_VIA_ALIAS
 	path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);

index b3f0adb..07cb7f6 100644
@@ -29,6 +29,7 @@
 #include <fdt.h>
 
 int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force);
+int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
 void do_fixup_by_path(void *fdt, const char *path, const char *prop,
 		      const void *val, int len, int create);
 void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,

index 300e00a..9892afa 100644
@@ -182,32 +182,8 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 #if defined(CONFIG_OF_LIBFDT)
 	/* fixup the initrd now that we know where it should be */
-	if ((of_flat_tree) && (initrd_start && initrd_end)) {
-		uint64_t addr, size;
-		int  total = fdt_num_mem_rsv(of_flat_tree);
-		int  j;
-
-		/* Look for the dummy entry and delete it */
-		for (j = 0; j < total; j++) {
-			fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
-			if (addr == images->rd_start) {
-				fdt_del_mem_rsv(of_flat_tree, j);
-				break;
-			}
-		}
-
-		ret = fdt_add_mem_rsv(of_flat_tree, initrd_start,
-					initrd_end - initrd_start + 1);
-		if (ret < 0) {
-			printf("fdt_chosen: %s\n", fdt_strerror(ret));
-			goto error;
-		}
-
-		do_fixup_by_path_u32(of_flat_tree, "/chosen",
-					"linux,initrd-start", initrd_start, 0);
-		do_fixup_by_path_u32(of_flat_tree, "/chosen",
-					"linux,initrd-end", initrd_end, 0);
-	}
+	if ((of_flat_tree) && (initrd_start && initrd_end))
+		fdt_initrd(of_flat_tree, initrd_start, initrd_end, 1);
 #endif
 	debug ("## Transferring control to Linux (at address %08lx) ...\n",
 		(ulong)kernel);

index 89bffa9..15ae6f9 100644
@@ -451,7 +451,12 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		}
 
 		fdt_chosen(working_fdt, initrd_start, initrd_end, 1);
-	} else {
+	}
+	/* resize the fdt */
+	else if (strncmp(argv[1], "re", 2) == 0) {
+		fdt_resize(working_fdt);
+	}
+	else {
 		/* Unrecognized command */
 		printf ("Usage:\n%s\n", cmdtp->usage);
 		return 1;

@@ -819,6 +824,7 @@ U_BOOT_CMD(
 	"fdt boardsetup                      - Do board-specific set up\n"
 #endif
 	"fdt move   <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n"
+	"fdt resize                          - Resize fdt to size + padding to 4k addr\n"
 	"fdt print  <path> [<prop>]          - Recursive print starting at <path>\n"
 	"fdt list   <path> [<prop>]          - Print one level starting at <path>\n"
 	"fdt set    <path> <prop> [<val>]    - Set <property> [to <val>]\n"

index 5f7458b..0db7b75 100644
@@ -92,8 +92,7 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
  *  - loaded (first part of) image to header load address,
  *  - disabled interrupts.
  */
-typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
-			int argc, char *argv[],
+typedef int boot_os_fn (int flag, int argc, char *argv[],
 			bootm_headers_t *images); /* pointers to os/initrd/fdt */
 
 extern boot_os_fn do_bootm_linux;

@@ -428,36 +427,36 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 #ifdef CONFIG_SILENT_CONSOLE
 	    fixup_silent_linux();
 #endif
-	    do_bootm_linux (cmdtp, flag, argc, argv, &images);
+	    do_bootm_linux (0, argc, argv, &images);
 	    break;
 
 	case IH_OS_NETBSD:
-	    do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
+	    do_bootm_netbsd (0, argc, argv, &images);
 	    break;
 
 #ifdef CONFIG_LYNXKDI
 	case IH_OS_LYNXOS:
-	    do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
+	    do_bootm_lynxkdi (0, argc, argv, &images);
 	    break;
 #endif
 
 	case IH_OS_RTEMS:
-	    do_bootm_rtems (cmdtp, flag, argc, argv, &images);
+	    do_bootm_rtems (0, argc, argv, &images);
 	    break;
 
 #if defined(CONFIG_CMD_ELF)
 	case IH_OS_VXWORKS:
-	    do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
+	    do_bootm_vxworks (0, argc, argv, &images);
 	    break;
 
 	case IH_OS_QNX:
-	    do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
+	    do_bootm_qnxelf (0, argc, argv, &images);
 	    break;
 #endif
 
 #ifdef CONFIG_ARTOS
 	case IH_OS_ARTOS:
-	    do_bootm_artos (cmdtp, flag, argc, argv, &images);
+	    do_bootm_artos (0, argc, argv, &images);
 	    break;
 #endif
 	}

@@ -465,10 +464,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	show_boot_progress (-9);
 #ifdef DEBUG
 	puts ("\n## Control returned to monitor - resetting...\n");
-	do_reset (cmdtp, flag, argc, argv);
 #endif
-	if (iflag)
-		enable_interrupts();
+	do_reset (cmdtp, flag, argc, argv);
 
 	return 1;
 }

@@ -983,8 +980,7 @@ static void fixup_silent_linux ()
 /* OS booting routines */
 /*******************************************************************/
 
-static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
-			    int argc, char *argv[],
+static int do_bootm_netbsd (int flag, int argc, char *argv[],
 			    bootm_headers_t *images)
 {
 	void (*loader)(bd_t *, image_header_t *, char *, char *);

@@ -996,7 +992,7 @@ static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("NetBSD");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 	hdr = images->legacy_hdr_os;

@@ -1063,11 +1059,12 @@ static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 	 *   r6: boot args string
 	 */
 	(*loader) (gd->bd, os_hdr, consdev, cmdline);
+
+	return 1;
 }
 
 #ifdef CONFIG_LYNXKDI
-static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
-			     int argc, char *argv[],
+static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
 			     bootm_headers_t *images)
 {
 	image_header_t *hdr = &images->legacy_hdr_os_copy;

@@ -1075,16 +1072,17 @@ static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("Lynx");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 
 	lynxkdi_boot ((image_header_t *)hdr);
+
+	return 1;
 }
 #endif /* CONFIG_LYNXKDI */
 
-static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
-			   int argc, char *argv[],
+static int do_bootm_rtems (int flag, int argc, char *argv[],
 			   bootm_headers_t *images)
 {
 	void (*entry_point)(bd_t *);

@@ -1092,7 +1090,7 @@ static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("RTEMS");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 

@@ -1108,11 +1106,12 @@ static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
 	 *   r3: ptr to board info data
 	 */
 	(*entry_point)(gd->bd);
+
+	return 1;
 }
 
 #if defined(CONFIG_CMD_ELF)
-static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
-			     int argc, char *argv[],
+static int do_bootm_vxworks (int flag, int argc, char *argv[],
 			     bootm_headers_t *images)
 {
 	char str[80];

@@ -1120,17 +1119,18 @@ static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("VxWorks");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 
 	sprintf(str, "%lx", images->ep); /* write entry-point into string */
 	setenv("loadaddr", str);
-	do_bootvx(cmdtp, 0, 0, NULL);
+	do_bootvx(NULL, 0, 0, NULL);
+
+	return 1;
 }
 
-static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
-			    int argc, char *argv[],
+static int do_bootm_qnxelf(int flag, int argc, char *argv[],
 			    bootm_headers_t *images)
 {
 	char *local_args[2];

@@ -1139,20 +1139,21 @@ static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("QNX");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 
 	sprintf(str, "%lx", images->ep); /* write entry-point into string */
 	local_args[0] = argv[0];
 	local_args[1] = str;	/* and provide it via the arguments */
-	do_bootelf(cmdtp, 0, 2, local_args);
+	do_bootelf(NULL, 0, 2, local_args);
+
+	return 1;
 }
 #endif
 
 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
-			   int argc, char *argv[],
+static int do_bootm_artos (int flag, int argc, char *argv[],
 			   bootm_headers_t *images)
 {
 	ulong top;

@@ -1165,7 +1166,7 @@ static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 #if defined(CONFIG_FIT)
 	if (!images->legacy_hdr_valid) {
 		fit_unsupported_reset ("ARTOS");
-		do_reset (cmdtp, flag, argc, argv);
+		return 1;
 	}
 #endif
 

@@ -1237,5 +1238,7 @@ static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
 
 	entry = (void (*)(bd_t *, char *, char **, ulong))images->ep;
 	(*entry) (kbd, cmdline, fwenv, top);
+
+	return 1;
 }
 #endif

index f9f702f..6c2f37e 100644
@@ -56,10 +56,7 @@ static void setup_videolfb_tag (gd_t *gd);
 static struct tag *params;
 #endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
 
-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[],
-		     bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	bd_t	*bd = gd->bd;
 	char	*s;

@@ -128,11 +125,8 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	theKernel (0, machid, bd->bi_boot_params);
 	/* does not return */
-	return;
-
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }
 
 

index 762701f..8a6109d 100644
@@ -34,8 +34,6 @@ DECLARE_GLOBAL_DATA_PTR;
 /* CPU-specific hook to allow flushing of caches, etc. */
 extern void prepare_to_boot(void);
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 static struct tag *setup_start_tag(struct tag *params)
 {
 	params->hdr.tag = ATAG_CORE;

@@ -173,8 +171,7 @@ static void setup_end_tag(struct tag *params)
 	params->hdr.size = 0;
 }
 
-void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		    bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	void	(*theKernel)(int magic, void *tagtable);
 	struct	tag *params, *params_start;

@@ -205,9 +202,6 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	theKernel(ATAG_MAGIC, params_start);
 	/* does not return */
-	return;
-
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }

index f789e24..d0afb21 100644
@@ -14,8 +14,6 @@
 #include <image.h>
 #include <asm/blackfin.h>
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 #ifdef SHARED_RESOURCES
 extern void swap_to(int device_id);
 #endif

@@ -33,8 +31,7 @@ static char *make_command_line(void)
 	return dest;
 }
 
-void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		    bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	int	(*appl) (char *cmdline);
 	char	*cmdline;

@@ -51,8 +48,6 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	dcache_disable();
 	(*appl) (cmdline);
 	/* does not return */
-	return;
-
- error:
-	do_reset (cmdtp, flag, argc, argv);
+error:
+	return 1;
 }

index 8c0b225..522d7ad 100644
@@ -29,10 +29,7 @@
 #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[],
-		bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	void		*base_ptr;
 	ulong		os_data, os_len;

@@ -88,9 +85,7 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	boot_zimage(base_ptr);
 	/* does not return */
-	return;
 
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }

index 1c3b9c9..6504cc9 100644
@@ -42,11 +42,8 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static ulong get_sp (void);
 static void set_clocks_in_mhz (bd_t *kbd);
-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[],
-		    bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	ulong sp;
 

@@ -116,11 +113,8 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 	 */
 	(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
 	/* does not return */
-	return ;
-
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return ;
+	return 1;
 }
 
 static ulong get_sp (void)

index baf6d77..5986a31 100644
@@ -32,10 +32,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-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[],
-		     bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	/* First parameter is mapped to $r5 for kernel boot args */
 	void	(*theKernel) (char *);

@@ -52,9 +49,6 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 
 	theKernel (commandline);
 	/* does not return */
-	return;
-
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }

index 9869c33..c1bf21e 100644
@@ -43,15 +43,11 @@ static int	linux_env_idx;
 static void linux_params_init (ulong start, char * commandline);
 static void linux_env_set (char * env_name, char * env_val);
 
-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[],
-		     bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	void	(*theKernel) (int, char **, char **, int *);
 	char	*commandline = getenv ("bootargs");
 	char	env_buf[12];
-	int	ret;
 	char	*cp;
 
 	/* find kernel entry point */

@@ -103,11 +99,7 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 
 	theKernel (linux_argc, linux_argv, linux_env, 0);
 	/* does not return */
-	return;
-
-error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }
 
 static void linux_params_init (ulong start, char *line)

index fb2e9b5..b0d5b82 100644
@@ -28,7 +28,7 @@
  * we can get this working. ;-)
  *
  */
-void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
+	return 1;
 }

index c74b5d6..c0be4fd 100644
@@ -25,10 +25,7 @@
 #include <command.h>
 #include <asm/byteorder.h>
 
-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[],
-		bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	void (*kernel)(void) = (void (*)(void))images->ep;
 

@@ -37,9 +34,7 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 	 */
 	kernel ();
 	/* does not return */
-	return;
 
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }

index 9892afa..348421f 100644
@@ -47,7 +47,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 extern ulong get_effective_memsize(void);
 static ulong get_sp (void);
 static void set_clocks_in_mhz (bd_t *kbd);

@@ -56,9 +55,8 @@ static void set_clocks_in_mhz (bd_t *kbd);
 #define CFG_LINUX_LOWMEM_MAX_SIZE	(768*1024*1024)
 #endif
 
-void  __attribute__((noinline))
-do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		bootm_headers_t *images)
+__attribute__((noinline))
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	ulong	sp;
 

@@ -234,11 +232,10 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 			   cmd_start, cmd_end, 0, 0);
 		/* does not return */
 	}
-	return ;
+	return 1;
 
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return ;
+	return 1;
 }
 
 static ulong get_sp (void)

index 9d2c908..e92c848 100644
@@ -43,8 +43,6 @@
 
 #define RAMDISK_IMAGE_START_MASK	0x07FF
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 #ifdef CFG_DEBUG
 static void hexdump (unsigned char *buf, int len)
 {

@@ -59,8 +57,7 @@ static void hexdump (unsigned char *buf, int len)
 }
 #endif
 
-void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
-		     bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
 	char	*bootargs = getenv("bootargs");
 

@@ -72,9 +69,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
 
 	kernel();
 	/* does not return */
-	return;
 
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }

index f3abdcf..4e8c920 100644
@@ -33,7 +33,6 @@
 extern image_header_t header;
 extern void srmmu_init_cpu(unsigned int entry);
 extern void prepare_bootargs(char *bootargs);
-extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
 
 #ifdef CONFIG_USB_UHCI
 extern int usb_lowlevel_stop(void);

@@ -83,8 +82,7 @@ struct __attribute__ ((packed)) {
 image_header_t ihdr;
 
 /* boot the linux kernel */
-void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
-		    bootm_headers_t * images)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t * images)
 {
 	char *bootargs;
 	ulong initrd_start, initrd_end;

@@ -181,6 +179,5 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
 	while (1) ;
 
       error:
-	do_reset(cmdtp, flag, argc, argv);
-	return;
+	return 1;
 }